CN116079405A - Four-way electric adjusting pipe column assembly line - Google Patents

Four-way electric adjusting pipe column assembly line Download PDF

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Publication number
CN116079405A
CN116079405A CN202310386826.5A CN202310386826A CN116079405A CN 116079405 A CN116079405 A CN 116079405A CN 202310386826 A CN202310386826 A CN 202310386826A CN 116079405 A CN116079405 A CN 116079405A
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China
Prior art keywords
assembly
tool
clamping
press
nut
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CN202310386826.5A
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CN116079405B (en
Inventor
李军
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Suzhou Yingweite Precision Machinery Co ltd
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Suzhou Yingweite Precision Machinery Co ltd
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Priority to CN202310386826.5A priority Critical patent/CN116079405B/en
Publication of CN116079405A publication Critical patent/CN116079405A/en
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Publication of CN116079405B publication Critical patent/CN116079405B/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P21/00—Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control

Abstract

The invention discloses a four-way electric adjusting pipe column assembly line, which relates to the field of machining of automobile electric power steering systems and comprises a pipe column telescopic bracket riveting device, a steel belt cover plate assembly device, a bushing gasket assembly device, a protection pipe telescopic force test adjustment device, a lower bracket oiling assembly station, a bolt press-fitting device, a lock nut device, a bushing press device, a mandrel assembly device, a drawing shaft device, a front bracket assembly device, a pressing shaft bolt device, a protection pipe bracket running-in device, a nut locking angle force test adjustment device, a telescopic actuator assembly station and an angle actuator assembly station. This application constitutes an assembly line with a plurality of station, can realize automaticly, great reduction assembly cost, and the productivity beat of this application is 35S, and to a great extent has improved work efficiency, and the uniformity of the product of this application production is good, and the yields is high.

Description

Four-way electric adjusting pipe column assembly line
Technical Field
The invention relates to the field of machining of automobile electric power steering systems, in particular to a four-way electric adjusting pipe column assembly line.
Background
The four-way electric adjusting pipe column is a transmission part between an automobile steering wheel and a steering gear; after the steering force of the automobile steering wheel is transmitted to the steering gear through the electric adjusting pipe column, the advancing direction of the automobile is controlled through the steering gear.
Four to electric control tubular column includes pillar, lower pillar, telescopic bracket, steel band apron, gasket, bush, lower carriage, a plurality of spare parts such as upper bracket base, the center pin, a bearing, the jump ring, bolt and nut, need be in the same place above-mentioned parts equipment when the equipment, still need carry out running-in to the work piece after the equipment, flexible power test and swinging power test and need adjust according to the result of flexible power test and swinging power test, current assembly mode is a station and uses the manual work to assemble, because four to electric control tubular column's structure is more, consequently, need too many manual works to assemble, the cost of manual work equipment is high, and is inefficiency and because the dynamics is different makes the uniformity of equipment poor, can cause the defective products to be in a large number.
Disclosure of Invention
In order to overcome the defects, the invention aims to provide a four-way electric adjusting pipe column assembly line which can realize semi-automatic assembly, has good assembly consistency and high efficiency.
In order to achieve the above purpose, the invention adopts the following technical scheme: the four-way electric control tubular column assembly line comprises a tubular column telescopic bracket riveting device, a steel belt cover plate assembly device, a bushing gasket assembly device, a protection tube telescopic force test adjustment device, a lower bracket oiling assembly station, a bolt press-fitting device, a lock nut device, a bushing press-fitting device, a mandrel assembly device, a drawing shaft device, a front bracket assembly device, a pressing shaft bolt device, a protection tube bracket running-in device, a nut locking angle force test adjustment device, a telescopic actuator assembly station and an angle actuator assembly station which are sequentially arranged according to the flowing direction of a workpiece, and further comprises a tray assembly line for conveying trays to each station, wherein the tray assembly line is used for driving the tray to drive the workpiece to move to different stations. The pipe column telescopic bracket riveting device is used for riveting the telescopic bracket on the upper protective pipe after the upper protective pipe and the lower protective pipe are assembled; the steel belt cover plate assembling device is used for assembling the steel belt and the cover plate together; the bushing gasket assembling device is used for preassembling the bushing and the gasket, placing the preassembled bushing and gasket into the hole of the protective tube and locking the nut; the protective tube stretching force test adjusting device is used for testing the friction force between the gasket and the protective tube and adjusting according to the test result; the lower bracket oiling assembly station is used for oiling on the lower bracket and pressing the lower bracket into the protective tube. The bolt press-fitting device is used for press-fitting the bolts on the lower bracket; the lock nut device is used for locking nuts on the lower bracket bolts; the bushing pressing device is used for automatically feeding the bushing and pressing the bushing into the lower protection tube; locking an auxiliary tool head on a central shaft at the position of a mandrel assembly device, pressing the central shaft into a protective tube half assembly, taking a cover plate, and locking the cover plate on a lower protective tube; the drawing shaft device is characterized in that a central shaft and an upper protection tube are assembled together through an auxiliary tool head, and then the auxiliary tool head is taken down to clamp a clamp spring on the central shaft; the front bracket assembly device is used for assembling the third bushing, the first bracket sleeve, the second gasket and the first bolt together and locking the nut on the first bolt; the rotating shaft pressing bolt device is used for pressing the rotating shaft bolts into the upper bracket base and the lower protecting pipe after the protecting pipe and the first bracket are assembled; the protective tube bracket running-in device is used for driving the first bracket to rotate so as to run in the first bracket and the upper bracket base; the nut locking angle force test and adjustment device is used for locking a third nut on the rotating shaft bolt, testing the angle force, and adjusting the tightness of the third nut to control the angle force; the telescopic actuator assembly station is used for installing the telescopic actuator on the protective tube assembly and is connected with the telescopic bracket; the angle actuator assembly station is used for installing the lock angle actuator on the protective tube assembly and is connected with the angle bracket.
This application constitutes an assembly line with a plurality of station, can realize automaticly, great reduction assembly cost, and the productivity beat of this application is 35S, and to a great extent has improved work efficiency, and the uniformity of the product of this application production is good, and the yields is high.
Working principle:
firstly, riveting an upper protective tube, a lower protective tube and a telescopic support by a tubular column telescopic support riveting device, and conveying a riveted workpiece to a steel belt cover plate assembling device, wherein the steel belt cover plate assembling device assembles a cover plate, a steel belt and the telescopic support together; then placing the assembled telescopic bracket at a bushing gasket assembling device, wherein the bushing gasket assembling device preassembles a bushing and a gasket, and places the preassembled bushing and gasket into a hole of a protective tube and locks a nut; placing a workpiece with a locked nut on a protective tube stretching force test adjusting device, testing the friction force between a gasket and the protective tube by the protective tube stretching force test adjusting device and adjusting according to a test result, discharging a product of testing NG from a defective product discharging assembly, discharging a product of testing OK from the defective product discharging assembly, manually placing the workpiece of testing OK and a lower support on a preassembling table, oiling on the lower support, pressing the lower support into the protective tube, then inserting two bolts on the contact surface of the lower support and the protective tube, and pressing the bolts on the lower support by a bolt pressing device; the locking nut device locks the nut on the bolt, and the bush pressing device automatically loads the bush and presses the bush into the lower protection tube; locking an auxiliary tool head on a central shaft at the position of a mandrel assembly device, pressing the central shaft on a workpiece, taking a cover plate and locking the cover plate on the workpiece; the shaft drawing device is characterized in that a central shaft and a bearing are assembled together through an auxiliary tool head, then the auxiliary tool head is taken down, and a clamp spring is clamped on the central shaft; the front bracket assembly device assembles the third bushing, the first bracket sleeve, the second gasket and the first bolt together and locks the nut on the first bolt; the rotating shaft pressing bolt device penetrates the protective tube into the first bracket and presses the rotating shaft bolt into the upper bracket base and the first bracket; the protective tube bracket running-in device drives the first bracket to rotate so as to run in the first bracket and the upper bracket base; the nut locking angle force test and adjustment device locks a third nut on the rotating shaft bolt and adjusts the tightness of the third nut; the telescopic actuator assembly station is used for installing the telescopic actuator on the protective tube assembly and connecting the telescopic actuator with the telescopic bracket; the angle actuator assembly station mounts the lock angle actuator on the shroud tube assembly and connects with the angle bracket.
Further is: the pipe column telescopic bracket riveting device comprises a first fixing frame, a first tool used for fixing the lower protection pipe is arranged on the first fixing frame, an oiling mechanism used for oiling the lower protection pipe is arranged above the first tool, and the oiling mechanism is used for oiling the outer side of the outer shell of the lower protection pipe.
One side of first mount is provided with the second mount, be provided with the second frock that is used for fixed lower pillar on the second mount, the top of second frock is provided with first riveting mechanism, first riveting mechanism is used for riveting on last pillar, rivets last pillar and telescopic bracket together.
Working principle:
the manual work is placed down on first frock, oiling mechanism is automatic to be carried out the fat liquoring for lower pillar, and the manual work is taken down from first frock after the fat liquoring is accomplished, then gets an upper shield and inserts down in the pillar, then places on second frock with upper shield and the lower pillar of pre-installation, gets a telescopic bracket and places on the upper shield, first rivet gun rivets last pillar and telescopic bracket together.
Further is: the steel belt cover plate assembling device comprises a twentieth fixing frame, a third tool is arranged on the twentieth fixing frame, and a second screw locking mechanism for locking screws is arranged above the third tool.
Working principle:
and manually carrying the assembled lower protective tube at the riveting device of the tubular column telescopic bracket onto a third tool, then taking a steel belt to place on the telescopic bracket, taking a cover plate to place on the steel belt, and assembling the cover plate, the steel belt and the telescopic bracket together by locking screws of the second screw locking mechanism.
Further is: the bushing gasket assembling device comprises a third fixing frame, a fourth tool is arranged on the third fixing frame, a first transmission assembly used for driving the fourth tool to horizontally move is arranged below the fourth tool on the third fixing frame, the fourth tool is used for placing a workpiece, and the first transmission assembly is used for driving the workpiece to move towards a fifth rotating tool. A fifth rotating tool and a sixth rotating tool are arranged on one side of the fourth tool, and a first horizontal moving assembly for driving the fifth rotating tool to horizontally move is arranged below the fifth rotating tool; and a second horizontal movement assembly used for driving the sixth rotating tool to horizontally move is arranged below the sixth rotating tool. Because the hole on the workpiece needs to be vertically upwards when oiling, lining, gasket and nut installing, and the hole is not vertically upwards when the workpiece is normally placed, the rotating tool is required to be clamped and driven to rotate to a specified angle. Since two sets of bushings and shims need to be assembled on the outer shell of the workpiece, the two sets of bushings and shims are disposed on different faces, two rotating tools, namely a fifth rotating tool and a sixth rotating tool, are required. The mechanism of the fifth rotating tool is the same as that of the sixth rotating tool. One side of the sixth rotary tool, which is far away from the first transmission assembly, is provided with a second transmission assembly for transmitting out a workpiece, and the second transmission assembly is used for transmitting out the workpiece assembled with the bushing, the gasket and the nut, so that the processing of the next procedure is facilitated. The utility model discloses a clamping device is characterized in that be located the top of the rotatory frock of fifth and the rotatory frock of sixth on the third mount and be provided with first clamping component, fat liquoring subassembly, second clamping component and lock nut subassembly, first clamping component is used for pressing from both sides and gets the work piece, because set up two rotatory frock in this application, consequently set up three first clamping component, three first clamping component horizontal migration simultaneously. When the workpiece clamping device works, the first clamping component clamps and places the workpiece on the first transmission component on the fifth rotary tool; simultaneously, a second first clamping component clamps and places the workpiece on the fifth rotary tool on the sixth rotary tool; simultaneously the third the first subassembly of getting is got the work piece clamp on with sixth rotation frock and is got and place on the second transmission subassembly, this application can press from both sides the work piece of getting three position and horizontal migration simultaneously, has improved work efficiency. The oiling assembly is used for oiling the inside of the hole of the protective tube before the bushing is installed. The second clamping assembly is used for clamping the preassembled bushing and gasket and placing the preassembled bushing and gasket into the hole of the protective tube. The lock nut assembly is used for taking one nut, placing the nut into the hole of the protective tube and screwing the nut.
The third fixing frame is also provided with a first bushing feeding assembly for feeding the first bushing, a first gasket feeding assembly for feeding the first gasket and a first nut feeding assembly for feeding the first nut; one side of the first bushing feeding assembly is provided with a first preassembly assembly for pre-assembling the first bushing and the first gasket together, and the first bushing feeding assembly is used for feeding the bushings through the vibrating plate so that the bushings are vibrated out in sequence. The gasket feeding assembly shakes out gaskets orderly through the vibrating disc. The first nut feeding assembly shakes nuts out orderly through the vibrating disc. The preassembly assembly is used for assembling the bushing and the gasket together in advance, so that the second clamping assembly can be conveniently clamped and placed into the hole on the protective tube.
The first clamping assembly is used for clamping the workpiece, and the workpiece falls off in the process of driving the workpiece to rotate when the fifth rotating tool or the sixth rotating revolution is placed.
Working principle:
the work piece is placed on the fourth frock by the manual work, thereby first transmission subassembly drives the fourth frock and drives the work piece and remove to the direction of the rotatory frock of fifth, removes fixed position, first clamp get the subassembly clamp get the work piece on the fourth frock and drive the work piece remove to the rotatory subassembly of fifth, first clamp assembly presss from both sides the work piece tightly, the rotatory frock of fifth drives the work piece and rotates appointed angle. Simultaneously, the first bushing feeding assembly is provided with a bushing, the gasket feeding assembly is provided with a gasket, the first nut feeding assembly is provided with a nut, and the bushing and the gasket are assembled together by the preassembly assembly; the first horizontal moving assembly drives the fifth rotating tool to drive the workpiece to move to the oiling assembly, and the oiling assembly is used for oiling in the hole of the protective tube; then the first horizontal moving assembly drives the fifth rotating assembly to drive the workpiece to move to a bushing gasket assembling position, the second clamping assembly clamps the pre-assembled bushing and gasket and places the pre-assembled bushing and gasket into the oiled hole, then the first horizontal moving assembly drives the fifth rotating tooling to move to a lock nut assembly, and the lock nut assembly takes a nut to place into the hole provided with the bushing and the gasket and tightens the nut; the first horizontal moving assembly drives the fifth rotating assembly to move to an initial position, the second clamping assembly is loosened, the first clamping assembly drives the workpiece to move to a sixth rotating tool, the sixth rotating tool drives the workpiece to rotate to a specified angle, the oiling assembly is used for oiling in a hole of the workpiece, the first clamping assembly is used for placing a preassembled bushing and gasket in the hole of the workpiece, and the lock nut assembly is used for placing a nut in the hole and locking the nut. And then the first clamping component clamps and places the workpiece on the sixth rotary tool on the second transmission component, and the second transmission component drives the workpiece to be transmitted out.
Further is: the protection tube stretching force testing and adjusting device comprises a fourth fixing frame, a protection tube stretching force testing and adjusting mechanism is arranged on the fourth fixing frame and used for testing friction force between a gasket and a protection tube, the tightening of a nut lock of a lock bush and the gasket is larger in friction force between the gasket and the protection tube, and the loosening of the nut lock of the lock bush and the gasket is smaller in friction force between the gasket and the protection tube. And a truss manipulator is arranged above the protective tube stretching force testing and adjusting mechanism on the fourth fixing frame, and is used for taking a workpiece from equipment in the previous working procedure and placing the workpiece into the device.
The protection tube stretching force testing and adjusting mechanism comprises a seventh tool for fixing a workpiece, a first rotating assembly for driving the seventh tool to rotate is arranged on one side of the seventh tool, and the first rotating assembly is used for driving the seventh tool to rotate so as to drive the workpiece to rotate, so that nuts on the protection tube of the workpiece correspond to the positions of the tightness adjusting assemblies, and the tightness adjusting assemblies are convenient to adjust the tightness of the nuts. One side of the seventh tool is provided with a protective tube stretching force testing component for testing the stretching force of the protective tube, and the protective tube stretching force testing component is used for testing the stretching force of the protective tube, namely the friction force between the test gasket and the protective tube. One side of the protective tube stretching force testing component is provided with a second rotating component for driving the protective tube stretching force testing component to rotate, and the second rotating component is used for driving the protective tube stretching force testing component to rotate, so that the protective tube stretching force testing component corresponds to the position of the protective tube, and the protective tube can be conveniently driven to horizontally move. And a tightness adjusting component used for tightening or loosening the nut is arranged below the seventh tool, and is used for tightening or loosening the nut, so that the friction force between the gasket and the protective tube is adjusted.
The tightness adjusting assembly comprises a tightening shaft, the tightening shaft is used for tightening or loosening a nut, one side of the tightening shaft is provided with a first up-and-down moving assembly used for driving the tightening shaft to move up and down, and the first up-and-down moving assembly is used for driving the tightening shaft to move up and down so that the tightening shaft can contact the nut to adjust tightness of the nut. One side of the first up-down moving component is provided with a third horizontal moving component for driving the first up-down moving component to horizontally move, and the third horizontal moving component is used for driving the first up-down moving component to horizontally move, so that the tightening shaft corresponds to the position of the nut on the protective tube in the horizontal direction. Two nuts are arranged on the protective tube, the nuts are adjusted by moving horizontally to the lower part of one nut, and then the nuts are adjusted by moving to the lower part of the other nut.
The protective tube stretching force testing assembly comprises a clamping groove used for clamping the protective tube, and the clamping groove is used for clamping the ear part on the protective tube and driving the ear part to move horizontally. One side of draw-in groove is connected with the first press that is used for driving draw-in groove horizontal migration through connecting plate and link, thereby first press is used for driving draw-in groove horizontal migration and drives the relative work piece horizontal migration of pillar, the link respectively with connecting plate and draw-in groove fixed connection, the connecting plate is connected with the drive end of first press, the drive end of first press is provided with pressure sensor, pressure sensor is used for detecting the pressure of first press promptly the frictional force between some gaskets and the pillar.
The traditional test station and the adjusting station are two different stations, the friction force between the gasket and the protection tube is tested firstly, the adjusting station is taken to be adjusted according to the test result, the test is carried out after the adjustment, then the adjusting station is taken to be adjusted, the workpiece moves between the two stations, the occupied time is long, and the test efficiency is low.
Compare traditional test station and the regulation station that sets up alone, the elasticity of the nut of pinning the gasket is adjusted to the frictional force limit test gasket and pillar in this application, saves time, and adjustment efficiency is high.
Working principle:
the method comprises the steps that a workpiece is placed on a seventh tool, a first rotating assembly drives the workpiece to rotate to a fixed angle, a nut to be adjusted is enabled to vertically downwards, a third horizontal moving assembly drives a tightness adjusting assembly to move to the position below the nut to be adjusted, a second rotating assembly drives a protective tube stretching force testing assembly to rotate, a clamping groove clamps the ear part of a protective tube, friction force between a gasket and the protective tube is tested by a first press, the nut is screwed by a screwing shaft when the friction force between the gasket and the protective tube is larger than a preset value, then the friction force between the gasket and the protective tube is continuously tested by the first press, and the screwing shaft is adjusted according to a testing structure of the first press until the friction force between the gasket and the protective tube meets requirements; then first rotating assembly drives the work piece and rotates appointed angle for another nut is vertical downwards, third horizontal migration subassembly drives elasticity adjustment subassembly and removes the below of the nut that wants to adjust, second rotating assembly drive protection tube flexible power test assembly rotates and makes the draw-in groove block the ear portion of protection tube, first press tests, screw up axle adjusting nut, until the elasticity of another nut is moderate.
The automatic feeding device is characterized in that a good product blanking assembly and a defective product blanking assembly are arranged on the fourth fixing frame, the good product blanking assembly is used for blanking a test OK workpiece, and the defective product blanking assembly is used for blanking a test NG workpiece. The truss manipulator places the test OK workpiece on the good product blanking component and transmits the test OK workpiece out; and the truss manipulator places the workpiece for testing the NG on the defective product blanking assembly and transmits the workpiece out.
Four telescopic force testing and adjusting mechanisms of the protective tube are arranged. Because the period of the extension and retraction test of the workpiece protective tube is longer, if only one protective tube extension and retraction force test adjusting mechanism is arranged, the normal operation of the following procedures can be influenced. And the test is completed, one workpiece is taken away by one workpiece truss manipulator to the next process, so that the time is saved, and the working efficiency is improved. The number of the protection tube stretching force test adjusting mechanism is set according to actual requirements, and the number of the protection tube stretching force test adjusting mechanism is not limited.
Further is: the lower bracket oiling and assembling station comprises a preassembling table, and a second press is arranged on the preassembling table. The preassembling table is used for placing a workpiece, and the second press is used for pressing the lower support to the protective tube.
Working principle:
the test OK workpiece and the lower bracket are manually placed on the preassembling table, oiling is carried out on the lower bracket, two small bushings are taken, the two small bushings are buckled on two side edges of the protective tube, and the press is manually pulled to press the lower bracket onto the protective tube. The workpiece is then placed onto a pallet tool on a pallet assembly line. Then two bolts are plugged into holes on the contact surfaces of the lower bracket and the protective tube, and then the first bracket is put on the tray tool in advance.
Further is: the bolt press-fitting device comprises a fifth fixing frame, a first connecting frame is arranged above the fifth fixing frame, a first bench is connected above the first connecting frame in a sliding manner through a first sliding rail and a first sliding block, and the first connecting frame is connected with the fifth fixing frame in a sliding manner through a second sliding rail and a second sliding block; one side of the first connecting frame is fixedly connected with a third press, and the third press is used for driving the pressure head to move horizontally, so that the left bolt and the right bolt on the protective tube are pressed. And a driving shaft of the third press is connected with a pressing head, and the pressing head is used for pressing the bolt. The pressure head is in sliding connection with the first connecting frame through a third sliding rail and a third sliding block; the first support column and the second support column are symmetrically arranged on two sides of the inside of the first connecting frame, correspond to the lower end position of the pressure head, and support and fix the bolts to be matched with the pressure head when the pressure head presses the bolts to press the bolts into the protective tube.
The lower part that is located the pressure head on the mount is provided with the first jacking subassembly that is used for jacking up the tray, first jacking subassembly is used for jacking up the tray to the high position and is convenient for press-fit bolt, prevents to influence tray assembly line normal operating.
Working principle:
when the right bolt is required to be pressed, the driving shaft of the third press stretches out to drive the pressure head to move rightwards along the third sliding rail, and when the pressure head moves to contact the right bolt, the driving shaft of the third press continues stretching out, at the moment, the first connecting frame moves leftwards along the first sliding block, so that the second support column is driven to move leftwards, and after the second support column contacts the bolt, the stretching-out shaft of the third press continues stretching out until the pressure head is matched with the second support column to press the bolt on the lower bracket;
when the left bolt is required to be pressed, the driving shaft of the third press is retracted to drive the pressing head to move leftwards along the third sliding rail, the driving shaft of the third press is continuously retracted when the pressing head moves to contact the left bolt, at the moment, the first connecting frame moves rightwards along the first sliding block, so that the first supporting column is driven to move rightwards, the extending shaft of the third press is continuously retracted after the first supporting column contacts the bolt, until the pressing head is matched with the first supporting column to press the bolt on the lower support, and press mounting is completed. And then the driving shaft of the third press is extended out to enable the pressure head to be positioned between the two bolts, the first jacking assembly drives the tray to move downwards to a tray assembly line, and the tray flows to the next station.
Further is: the lock nut device comprises a sixth fixing frame, a second jacking assembly is arranged on the sixth fixing frame and used for jacking the tray, a rotary table is arranged on the second jacking assembly and used for driving the rotary table to rotate 180 degrees. Because two bolts are symmetrically arranged on two sides of the protective tube, nuts need to be locked on the two bolts, and after the nuts are locked on one bolt, the nuts need to be locked on the other bolt by rotating 180 degrees.
One side of the rotary table is provided with a second nut feeding assembly, and the second nut feeding assembly is used for feeding nuts. The sixth fixing frame is provided with a first screw gun which is used for locking nuts on the bolts. A turnover assembly is arranged between the second nut feeding assembly and the first screw gun, a pneumatic clamping jaw is arranged on the turnover assembly and used for clamping nuts on the nut feeding assembly, the overturning assembly is used for driving the pneumatic clamping jaw to overturn by 90 degrees so as to drive the nut to rotate by 90 degrees, and the nut is clamped by the first screw gun conveniently.
Working principle:
the jacking assembly jacks up the tray to enable the tray to be in a high position, the second nut feeding assembly feeds the nuts, the pneumatic clamping jaws clamp the nuts on the second nut feeding assembly, the overturning assembly drives the pneumatic clamping jaws to overturn 90 degrees so as to drive the nuts to overturn 90 degrees, the threaded holes of the nuts are aligned with the first screw guns, and the first screw guns absorb the nuts and lock the nuts on the bolts. And then the turntable drives the tray to rotate 180 degrees so as to drive the workpiece to rotate 180 degrees, and the first screw gun locks the other nut.
Further is: the bush pressing device comprises a seventh fixing frame, a third jacking assembly is arranged on the seventh fixing frame and used for jacking the tray to enable the tray to be located at a high position, and a bush feeding assembly used for feeding a second bush is arranged on the seventh fixing frame and used for feeding a bush vibrating disc. The seventh mount is located the top symmetry of third jacking subassembly and is provided with two second bush material loading subassemblies, second bush material loading subassembly is used for establishing the bush cover that absorbs on pressing the bush subassembly, is convenient for press the bush subassembly to impress the bush into the work piece. Two bush about need impressing on the work piece of this application, consequently need two sets of second bush material loading subassembly is established the bush cover respectively on pressing the bush subassembly. The second lining feeding assemblies are connected with the lining feeding assemblies through pipelines, and the two groups of second lining feeding assemblies are connected with the same lining feeding assembly through pipelines. One side of the second bushing feeding assembly is provided with a bushing pressing assembly for pressing the second bushing onto the workpiece, and the bushing pressing assembly is used for pressing the bushing onto the workpiece.
The bush pressing assembly adopts the acting force and the reaction force of the electric cylinder to press the two bushes into the workpiece, and the working principle is consistent with the pressing principle of the bolt pressing device, so that the repeated description is omitted.
Further is: the mandrel assembly device comprises a second preassembling assembly, a central shaft press-fitting assembly and a screw locking assembly which are sequentially arranged in the transmission direction of the tray assembly line, wherein the preassembling assembly is used for preassembling an auxiliary tool head on a central shaft, the central shaft press-fitting assembly is used for press-fitting the central shaft on a workpiece, and the screw locking assembly is used for locking screws on different surfaces of the workpiece.
The preassembling assembly comprises a jacking rotating assembly arranged above the tray assembly line, and the jacking rotating assembly is manually driven to rotate 180 degrees, so that the workpiece is driven to rotate 180 degrees, and press fitting is facilitated. One side of the jacking rotating assembly is provided with a preassembling tool, the preassembling tool is used for placing a workpiece, and an auxiliary tool head is manually locked on the central shaft.
The central shaft press-fitting assembly comprises a fourth jacking assembly, a second connecting frame is arranged above the fourth jacking assembly, a second bench is connected above the second connecting frame in a sliding manner, a fourth press is arranged on one side of the second connecting frame, a tenth press head is arranged on the fourth press, and the tenth press head is connected with the second connecting frame in a sliding manner; the fourth press presses the central shaft onto the workpiece through the acting force and the reacting force, and the working principle of the fourth press and the working principle of the bolt pressing device are not described herein.
The screw locking assembly comprises a fifth jacking assembly, a cover plate feeding assembly for feeding a cover plate is arranged above the fifth jacking assembly, the cover plate feeding assembly comprises a vacuum chuck, the lower end face of the vacuum chuck is consistent with the outline of the cover plate, an up-and-down moving cylinder for driving the vacuum chuck to move up and down is arranged on one side of the vacuum chuck, a left-and-right moving cylinder for driving the up-and-down moving cylinder to move left and right is arranged on one side of the up-and-down moving cylinder, a second screw gun is arranged on one side of the cover plate feeding assembly, and a rotating cylinder for driving the second screw gun to rotate by 90 degrees is arranged on one side of the second screw gun. Since the screws to be locked on the workpiece are on two mutually perpendicular faces, the second screw gun needs to be rotated by 90 degrees.
Working principle:
manually locking an auxiliary tool head on a central shaft, then placing a workpiece on a jacking rotating assembly, manually rotating the jacking rotating assembly by 180 degrees to enable the workpiece to rotate by 180 degrees, then driving the workpiece to descend by the jacking rotating assembly, driving a tray to a central shaft press assembly, driving a fourth press head to press the central shaft on the workpiece by a fourth press head, then sucking a cover plate which is placed on the tray tool in advance by a vacuum chuck, placing the cover plate on the workpiece and pressing the cover plate, locking screws in one hole of the cover plate by a screw gun, then removing the vacuum chuck, and locking screws in the other screw hole of the cover plate by the screw gun; the rotary cylinder 910 then drives the second screw gun 909 to rotate 90 degrees, and the second screw gun 909 continues the screws at other positions.
Further is: the drawing shaft device comprises a ninth fixing frame, a shaft assembly component for assembling a central shaft and a bearing together, an auxiliary fixture head assembly for disassembling an auxiliary fixture head and a clamping spring assembly for assembling a clamping spring on the central shaft are sequentially arranged on the ninth fixing frame according to the flow direction of a tray assembly line, the shaft assembly component is used for assembling the shaft and the bearing together, the auxiliary fixture head is used for disassembling the auxiliary fixture head after the shaft and the bearing are assembled, and the clamping spring assembly is used for clamping a clamping spring in a groove of the central shaft. The auxiliary tool head is not a part of a workpiece, is an auxiliary tool for assisting in pulling the central shaft, and needs to be detached after the central shaft and the bearing are assembled.
The shaft assembly comprises a sixth jacking assembly arranged on a ninth fixing frame, a third clamping assembly used for clamping the workpiece shell and a wrapping assembly used for protecting the protective tube are arranged above the sixth jacking assembly, and the third clamping assembly is used for clamping the workpiece shell so as to ensure concentricity of the protective tube and the central shaft. One side of the wrapping component far away from the third clamping component is provided with a stretching component for stretching the auxiliary tool head, and the stretching component pulls the auxiliary tool head so as to pull the central shaft to move backwards, so that the central shaft and the bearing are assembled together.
The stretching assembly comprises a fifth pressure head, a molded hook is arranged on the fifth pressure head, a fifth press used for driving the fifth pressure head to horizontally move is arranged on one side of the fifth pressure head, and the molded hook is used for hooking the auxiliary tool head so as to facilitate the auxiliary tool head to be pulled; the fifth press is used for driving the fifth pressing head to move backwards so as to pull the central shaft to move backwards, and the central shaft and the bearing are assembled together.
The auxiliary fixture head assembly comprises a seventh jacking assembly, the seventh jacking assembly is used for jacking the tray so that the tray is separated from the tray assembly line, a braking assembly used for braking the central shaft to prevent the central shaft from rotating and a holding assembly used for holding the protective tube are arranged above the seventh jacking assembly, and the braking assembly is used for braking the central shaft to prevent the central shaft from rotating in the process of disassembling the auxiliary fixture head. The brake assembly comprises a spline shaft and a cylinder for driving the spline shaft to extend into the cylinder, and as spline teeth are arranged at one end of the central shaft, which is far away from the auxiliary tool head, the spline shaft is selected to extend into the spline teeth to brake the central shaft. One side of holding the subassembly is provided with the electronic screw rifle that is used for dismantling auxiliary fixtures head, because auxiliary fixtures is equipped with and is revolved and twist on the center pin, consequently need revolve auxiliary fixtures head off from the center pin when dismantling auxiliary fixtures head, this application chooses for use electronic screw rifle to revolve auxiliary fixtures head off. One side of the holding assembly is provided with a third clamping assembly for clamping the detached auxiliary tool head, and the third clamping assembly is used for clamping the detached auxiliary tool head. A chute is arranged below the third clamping assembly, and extends to the mandrel assembly device; the disassembled auxiliary tool head slides to the mandrel assembly device along the chute for continuous use at the mandrel assembly device.
The clamping spring assembly comprises an eighth jacking assembly arranged on the ninth fixing frame, and the eighth jacking assembly is used for jacking the tray so that the tray is separated from the tray assembly line. The clamping spring clamping assembly is used for clamping the clamping springs on the tray, the clamping spring clamping assembly is used for clamping the clamping springs from the tray, a manipulator used for driving the clamping springs to clamp the clamping springs to move is arranged on one side of the clamping spring clamping assembly, and the manipulator is used for driving the clamping springs to clamp the clamping springs clamped on the tray to lean on the central shaft. One side of the clamping spring clamping component is provided with a sixth press used for clamping the clamping spring into a groove of the central shaft, a driving shaft of the sixth press is provided with a sixth pressing head, one end opening of the sixth pressing head, far away from the sixth press, is telescopic, and the sixth press is used for driving the sixth pressing head to push the clamping spring to be clamped into the clamping groove of the central shaft. Because the one end of center pin card jump ring is the tapering, and the jump ring is the diameter constantly grow at the in-process of card income, if the opening part of sixth pressure head does not have elasticity, can not block into the draw-in groove with the jump ring.
Working principle:
the auxiliary tool head on the workpiece is clamped in the hook after the sixth jacking component jacks the workpiece, the third clamping component clamps the workpiece shell, the wrapping component protects the protective tube, then the driving shaft of the fifth press pulls the fifth pressure head to pull the hook to move backwards, and the hook hooks the auxiliary tool head to drive the central shaft to stretch backwards until the central shaft and the bearing are assembled. The sixth jacking component drives the tray to move downwards to a tray assembly line, the tray flows to a seventh jacking component, the seventh jacking component jacks up the tray, the holding component holds the workpiece, the spline shaft of the braking component stretches into the spline teeth of the central shaft to brake the central shaft to prevent the central shaft from rotating, the electric screw gun screws off the auxiliary tool head, the third clamping component clamps the detached auxiliary tool head and then places the auxiliary tool head in the chute, and the auxiliary tool head slides to the position of the mandrel assembling device for the mandrel assembling device to continue to use. Then the seventh jacking component drives the tray to descend to the tray assembly line, the tray moves to the eighth jacking component, the eighth jacking component jacks up the tray, the clamp spring clamping component clamps the clamp spring placed on the tray in advance, the manipulator drives the clamp spring clamping component to rotate by 90 degrees, the center of the clamp spring is aligned with the center shaft, and the sixth press drives the sixth press head to push the clamp spring until the clamp spring is clamped into a clamping groove of the center shaft, and assembly of the clamp spring is completed.
Further is: the front bracket assembling device comprises a tenth fixing bracket, wherein a third bushing assembling mechanism for pressing a third bushing on a first bracket, a gasket attaching mechanism for attaching gaskets on the first bracket, a first bracket press-fitting mechanism for pressing the first bracket on a first bolt and a first nut locking mechanism for locking a first nut on the first bolt are arranged on the tenth fixing bracket once according to the flowing direction of a workpiece, the first bracket is firstly placed on a tray, and the first bracket on the tray is directly grabbed when the third bushing and the first bracket are assembled; the third bushing assembly mechanism is used for pressing the third bushing and the first bracket together, and oiling is carried out on the first bracket in the pressing process of the third bushing and the first bracket; the gasket attaching mechanism is used for attaching the gasket to the first bracket. The front bracket assembling device further comprises a first manipulator, a second manipulator and a third manipulator; the first bracket press-fitting mechanism is used for press-fitting the third bushing and the first bracket on the first bolt; the first nut locking mechanism is used for locking the nut on the first bolt. The first manipulator is used for grabbing the first support from the tray and placing the first support on the eighth tool. The second manipulator is used for placing the first bracket pressed with the third bushing on the ninth tool, driving the first bracket attached with the patch to turn over 180 degrees, placing the first bracket attached with the patch on the tenth tool, clamping an upper bracket base on the tray and sleeving the upper bracket base on the first bolt.
The third bushing assembly mechanism comprises an eighth tool fixedly arranged on a tenth fixing frame, a third bushing feeding assembly used for feeding a third bushing is arranged on one side of the eighth tool, a first support is grabbed by a first manipulator and placed on the eighth tool, a seventh press used for press-fitting the third bushing and the first support together is arranged above the eighth tool, and a fourth clamping assembly used for grabbing the third bushing and placing the eighth tool is arranged between the seventh press and the third bushing feeding assembly;
the gasket sticking mechanism comprises a ninth tool, one side of the ninth tool is provided with a second gasket feeding assembly for feeding a second gasket, and a sucker assembly for sucking the second gasket and placing the second gasket on a first bracket on the ninth tool is arranged between the second gasket feeding assembly and the ninth tool;
the first support press mounting mechanism comprises an eighth press, a tenth tool is arranged on the eighth press, a fifth clamping component and a sixth clamping component are arranged on one side of the tenth tool, and a first bolt feeding component for feeding a first bolt is arranged on one side of the sixth clamping component.
Working principle:
the third lining feeding assembly conveys out the third lining, the fourth clamping assembly clamps one third lining to be placed on an eighth tool, then the first manipulator takes one first support from the tray and places the first support on the third lining, and the seventh press presses down the third lining and the first support to be pressed together; then the first manipulator clamps the first bracket and drives the first bracket to turn over 180 degrees, at the moment, the fourth clamping assembly clamps a third bushing and places the third bushing on an eighth tool, then the first manipulator places the first bracket on the third bushing, and the seventh press presses down the other surface of the first bracket and the third bushing together. Then first manipulator presss from both sides first support from eighth frock to on the ninth frock, second gasket material loading subassembly material loading, sucking disc subassembly absorbs a gasket and places on the first support, first manipulator presss from both sides second gasket and first support and overturns 180 degrees, then sucking disc subassembly absorbs a second gasket and pastes the second gasket on first support. The first bolt feeding assembly conveys out the first bolt, the sixth clamping assembly clamps a first bolt and vertically inserts the first bolt into a hole on a tenth tool, the second manipulator sleeves the first bracket on the first bolt from the upper part of the ninth tool, the fifth clamping assembly clamps the first bracket sleeved on the first bolt, then the second manipulator clamps an upper bracket base from the tray and sleeves the first bolt, and then the eighth press presses down to press the upper bracket base and the first bracket together; the fifth clamping assembly is loosened, the second manipulator clamps the upper bracket base and rotates 180 degrees, the sixth clamping assembly clamps a first bolt to be vertically inserted into a tenth tool, the second manipulator sleeves the upper bracket base on the first bolt, the eighth press is pressed down to finish press mounting, the third manipulator grabs a workpiece which is pressed to finish press mounting and places the workpiece on a rotary table, the first nut locking mechanism locks a nut on the first bolt, and after the locking of the nut is finished, the third manipulator grabs the upper bracket base and places the upper bracket base on the press shaft bolt device.
Further is: the pressing rotating shaft bolt device comprises an eleventh fixing frame, one side of the eleventh fixing frame is provided with a fourth manipulator, and the fourth manipulator is used for grabbing the protective tube on the tray and driving the protective tube to be transferred into the bracket which is pressed in the previous procedure. The eleventh fixing frame is provided with an eleventh tool, and the third manipulator places the pressed bracket on the eleventh tool. And a pressing component used for pressing the workpiece shell is arranged above the eleventh tool, and the shell used for pressing the workpiece is prevented from moving in the assembly process. One side of eleventh mount is provided with the pivot bolt material loading subassembly that is used for the material loading pivot bolt, one side of pivot bolt material loading subassembly is provided with the seventh subassembly of getting that presss from both sides that is used for snatching the pivot bolt, the seventh subassembly of getting that presss from both sides is used for pressing from both sides the pivot bolt on the pivot bolt material loading subassembly and drives the drive end department that the pivot bolt moved to ninth press. One side of the seventh clamping assembly is provided with a ninth press, and the ninth press is used for pressing the rotating shaft bolt into the support and the protective tube to enable the support and the protective tube to be assembled together.
Working principle:
In the previous process, the third manipulator places the pressed bracket on the eleventh tool, the fourth manipulator clamps the protective tube on the tray and penetrates the protective tube into the first bracket, the pressing component presses the shell of the workpiece, the rotating shaft bolt feeding component feeds the rotating shaft bolt, the seventh clamping component clamps a rotating shaft bolt to drive the rotating bolt to move to the driving shaft of the ninth press, the driving shaft of the ninth press presses the rotating shaft bolt, the seventh clamping component withdraws after the rotating shaft bolt stretches into the protective tube, and the ninth press continues to press the rotating shaft bolt until the rotating shaft bolt is pressed in place.
Further is: the protection tube support running-in device includes twelfth mount, be provided with twelfth frock on the twelfth mount, the side of twelfth frock is provided with the second clamping component that is used for clieing the support side, the second clamping component is used for clieing the side of support and makes the whole of work piece fixed, because the support of this application has four angles to fix, so the second clamping component of this application includes four clamping jaws. The end of the workpiece is symmetrically arranged at the outer side of the first bracket and is provided with a first pin which can extend into a round hole of the first bracket, the first pin can extend into the round hole of the first bracket, the first pin can drive the first bracket to horizontally move when horizontally moving, so that the first bracket rotates relative to the first bolt, the first bracket and the upper bracket base are ground in, one side of the first pin is provided with a first cylinder for driving the first pin to extend into or retract, and the first cylinder is used for driving the first pin to extend into the round hole of the first bracket or retract. One side of the first cylinder is provided with a first servo electric cylinder for driving the first cylinder to move back and forth along the axial direction of the workpiece, the first servo electric cylinder is used for driving the first cylinder to drive a first pin to drive a first support to move back and forth, one side of the protective tube support running-in device is provided with a fifth robot, and the fifth robot is used for moving the running-in completed workpiece to a nut locking angle force testing and adjusting device.
Working principle:
the method comprises the steps that firstly, a workpiece is placed on a twelfth tool, four corners of a workpiece support are fixed by a second clamping assembly, a first air cylinder drives a first pin to extend into a round hole of the first support, a servo electric cylinder drives the first air cylinder to drive the first support to move back and forth, the first support rotates relative to a first bolt to carry out running-in on the first support and an upper support base, after running-in is completed, the first air cylinder, the servo electric cylinder and the second clamping assembly are reset, and a fifth robot places the workpiece after running-in to a nut locking angle force testing and adjusting device.
Further is: the nut locking angle force test adjusting device comprises a thirteenth fixing frame, a thirteenth tool is arranged on the thirteenth fixing frame, a third clamping assembly used for fixing four corners of a workpiece is arranged on the side edge of the thirteenth tool, and the third clamping assembly is used for fixing the four corners of the workpiece to prevent the workpiece from moving in the test process. One side of the thirteenth tool is provided with a second pin which can extend into the round hole of the first bracket, and the second pin extends into the round hole of the first bracket and drives the first bracket to horizontally move so as to drive the other end of the workpiece to tilt. One side of the second pin is provided with a second servo electric cylinder for driving the second pin to extend into the circular hole of the first bracket, and the second servo electric cylinder is used for driving the second pin to extend into the circular hole of the first bracket or retract. One side of the second servo electric cylinder is provided with a servo press used for driving the second servo electric cylinder to move forward and backward, and the servo press is used for driving the second servo electric cylinder to move forward and backward so as to drive the first bracket to move forward and backward relatively so as to drive the other end of the workpiece to tilt. One side of thirteenth frock is provided with the third nut material loading subassembly that is used for the material loading third nut and is used for the servo screw down axle of lock nut, servo screw down the axle on the one hand is used for locking the third nut on the pivot bolt, and on the other hand is screwed down or is unscrewed the third nut according to the result of test during the test. The nut clamping device is characterized in that an eighth clamping component used for clamping the nut from the third nut feeding component, driving the third nut to turn over 90 degrees and driving the nut to move to the servo tightening shaft is arranged between the third nut feeding component and the servo tightening shaft, and the eighth clamping component is used for clamping a third nut on the third nut feeding component, driving the third nut to turn over 90 degrees and then driving the third nut to move to a screw head of the servo tightening shaft. The nut locking angle force test and adjustment device further comprises a second pressure sensor for detecting push-pull force, wherein the second pressure sensor is used for detecting the push-pull force acting on the first bracket and adjusting the tightness of the third nut according to the push-pull force; unscrewing the third nut when the second pressure sensor detects a large push-pull force; and the third nut is screwed when the second pressure sensor detects that the push-pull force is small.
This application can be automatic lock nut at pivot bolt, can test the required power of work piece one end perk on one side and adjust the elasticity of nut according to the result of test force, traditional test station and regulation station are on two different stations, get into the regulation station after the test and adjust, get back to the test station and test once more after the regulation, then adjust, repeatedly remove between test station and regulation station many times, this application compares traditional test regulation mode simple structure, efficiency of software testing is higher, save time.
Working principle:
the method comprises the steps that a workpiece is placed on a thirteenth tool, four corners of the workpiece are fixed by a third clamping assembly, a third nut is arranged on a third nut feeding assembly, a third nut is clamped by an eighth clamping assembly, the third nut is driven to turn over by 90 degrees and then is driven to move to a servo tightening shaft, the servo tightening shaft locks the third nut on a rotating shaft bolt, then a second servo cylinder drives a second pin to extend into a round hole of a first support, the servo press drives the second servo cylinder to move back and forth to enable one end of the workpiece to tilt, the magnitude of push-pull force is detected by a pressure sensor, and tightness of the third nut is adjusted according to a test result.
The invention has the beneficial effects that a plurality of stations form an assembly line, automation can be realized, the assembly cost is greatly reduced, the productivity beat of the invention is 35S, the working efficiency is greatly improved, and the consistency of the products produced by the invention is good, and the yield is high. Compare traditional test station and the regulation station that sets up alone, the elasticity of the nut of pinning the gasket is adjusted to the frictional force limit test gasket and pillar in this application, saves time, and adjustment efficiency is high. The principle of acting force and reaction force of the third press is used for pressing the bolt by the application, so that the bolt pressing device is simple in structure and small in size. The nut can be locked on the rotating shaft bolt automatically, the tightness of the nut can be adjusted according to the result of the test force while testing the force required by tilting one end of the workpiece, and compared with the traditional test adjusting mode, the nut locking device is simple in structure, higher in test efficiency and time-saving.
Drawings
FIG. 1 is a schematic diagram of an overall structure of an embodiment of the present invention;
FIG. 2 is a schematic structural view of a pipe string expansion bracket riveting device according to an embodiment of the present invention;
FIG. 3 is a schematic view of an assembly apparatus for a steel strip cover plate according to an embodiment of the present invention;
FIG. 4 is a schematic view of a gasket assembly device according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a fifth rotating tool and a first horizontal moving assembly according to an embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a device for testing and adjusting the telescoping force of a protective tube according to an embodiment of the present invention;
FIG. 7 is a schematic structural diagram of a telescopic force testing and adjusting mechanism for a protective tube according to an embodiment of the present invention;
FIG. 8 is a schematic diagram of a bolt press-fitting apparatus according to an embodiment of the present invention;
FIG. 9 is a schematic view of a lock nut apparatus according to an embodiment of the invention;
FIG. 10 is a schematic view of a bushing apparatus according to an embodiment of the present invention;
FIG. 11 is a schematic view of a mandrel assembly device according to an embodiment of the present invention;
FIG. 12 is a schematic view of a center shaft press-fit assembly according to an embodiment of the present invention;
FIG. 13 is a schematic view of a lock screw assembly according to an embodiment of the present invention;
fig. 14 is a schematic structural view of a drawing shaft device according to an embodiment of the present invention;
FIG. 15 is a schematic view of a shaft assembly according to an embodiment of the present invention;
FIG. 16 is a schematic view of a disassembly assistance tool head assembly according to an embodiment of the invention;
FIG. 17 is a schematic view of a front frame assembly device according to an embodiment of the present invention;
FIG. 18 is a schematic view of a third bushing assembly mechanism according to an embodiment of the present invention;
FIG. 19 is a schematic view of a gasket mechanism according to an embodiment of the present invention;
FIG. 20 is a schematic structural view of a first bracket press-fitting mechanism according to an embodiment of the present invention;
FIG. 21 is a schematic view of a device for pressing a spindle bolt according to an embodiment of the present invention;
FIG. 22 is a schematic view of a grinding device for a protective tube stand according to an embodiment of the present invention;
FIG. 23 is a schematic view of a device for testing and adjusting the locking angle force of a nut according to an embodiment of the present invention;
in the figure: 1. a pipe column telescopic bracket riveting device; 2. a steel strip cover plate assembling device; 3. bushing gasket assembly means; 4. the protective tube stretching force test adjusting device; 5. the lower bracket is oiled and assembled at a station; 6. a bolt press-fitting device; 7. a lock nut device; 8. a bushing pressing device; 9. a mandrel assembly device; 10. a drawing shaft device; 11. a front bracket assembly device; 12. pressing a rotating shaft bolt device; 13. a protective tube bracket running-in device; 14. the nut locking angle force testing and adjusting device; 15. a telescopic actuator assembly station; 16. an angle actuator assembly station; 101. a first fixing frame; 103. an oiling mechanism; 105. a second tool; 106. a first riveting mechanism; 201. a twentieth mount; 202. a third tool; 203. a second screw locking mechanism; 301. a third fixing frame; 302. a fourth tool; 303. a first transmission assembly; 304. a fifth rotating tool; 305. a sixth rotating tool; 306. a first horizontal movement assembly; 308. a second transmission assembly; 309. a first clamping assembly; 310. an oiling assembly; 311. a second clamping assembly; 312. a lock nut assembly; 313. a first bushing feed assembly; 314. a first gasket feeding assembly; 315. the first nut feeding assembly; 316. a first preassembly; 317. a first clamping assembly; 401. a fourth fixing frame; 402. truss manipulator; 403. a seventh tool; 404. a first rotating assembly; 405. a protective tube expansion force testing component; 406. a second rotating assembly; 407. a slack adjuster assembly; 410. the protective tube stretching force test and adjustment mechanism; 601. a fifth fixing frame; 603. a third press; 604. a pressure head; 605. a first support column; 606. a second support column; 701. a sixth fixing frame; 702. a second jacking assembly; 703. a turntable; 704. a second nut feeding assembly; 705. a first screw gun; 706. a flip assembly; 707. pneumatic clamping jaws; 801. a seventh fixing frame; 802. a third jacking assembly; 803. delivering the bushing assembly; 804. a second bushing loading assembly; 805. a bushing assembly; 902. a second preassembly; 903. a central shaft press-fit assembly; 904. locking the screw assembly; 905. a second connecting frame; 906. a fourth press; 907. a tenth ram; 908. a cover plate feeding assembly; 909. a second screw gun; 910. a rotary cylinder; 1001. a ninth fixing frame; 1002. a shaft assembly; 1003. disassembling the auxiliary tool head assembly; 1004. installing a clamping spring assembly; 1005. a third clamping assembly; 1006. wrapping the assembly; 1007. a fifth press; 1008. a hook; 1009. a brake assembly; 1010. holding the assembly; 1011. an electric screw gun; 1012. a third clamping assembly; 1013. a chute; 1101. a tenth fixing frame; 1102. a third bushing assembly mechanism; 1103. a gasket sticking mechanism; 1104. the first bracket press-fitting mechanism; 1105. a first nut locking mechanism; 1106. a first manipulator; 1107. a second manipulator; 1108. a third manipulator; 1110. an eighth tool; 1111. a third bushing feed assembly; 1112. a seventh press; 1113. a fourth clamping assembly; 1120. a ninth tool; 1121. a second gasket feeding assembly; 1122. a suction cup assembly; 1131. an eighth press; 1132. a tenth tool; 1133. a fifth clamping assembly; 1134. a sixth clamping assembly; 1135. the first bolt feeding assembly; 1201. an eleventh fixing frame; 1202. a fourth manipulator; 1203. an eleventh tool; 1204. a compression assembly; 1205. a rotary shaft bolt feeding assembly; 1206. a seventh clamping assembly; 1207. a ninth press; 1301. a twelfth mount; 1304. a first pin; 1305. a first cylinder; 1306. a servo electric cylinder; 1401. a thirteenth mount; 1402. thirteenth tooling; 1403. a third clamping assembly; 1404. a second pin; 1405. a second servo cylinder; 1406. a servo press; 1407. a third nut feeding assembly; 1408. a servo tightening shaft; 1409. and an eighth clamping assembly.
Detailed Description
The embodiments of the present invention will be described in detail below with reference to the drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making clear and unambiguous the scope of the present invention.
In the description of the present invention, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present invention; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1, this embodiment provides a four-way electric adjusting pipe column assembly line, which includes a pipe column telescopic bracket riveting device 1, a steel belt cover plate assembly device 2, a bushing gasket assembly device 3, a protection pipe telescopic force test adjustment device 4, a lower bracket oiling assembly station 5, a bolt press-fitting device 6, a lock nut device 7, a press-bushing device 8, a mandrel assembly device 9, a drawing shaft device 10, a front bracket assembly device 11, a press-rotating shaft bolt device 12, a protection pipe bracket running-in device 13, a nut locking angle force test adjustment device 14, a telescopic actuator assembly station 15 and an angle actuator assembly station 16 which are sequentially arranged according to the flow direction of a workpiece, and further includes a tray assembly line for conveying trays to each station, wherein the tray assembly line is used for driving the tray to drive the workpiece to move to different stations. The pipe column telescopic bracket riveting device 1 is used for riveting a telescopic bracket on an upper protective pipe after the upper protective pipe and a lower protective pipe are assembled; the steel belt cover plate assembling device 2 is used for assembling the steel belt and the cover plate together; the bushing gasket assembling device 3 is used for preassembling the bushing and the gasket, placing the preassembled bushing and gasket into the hole of the protective tube and locking the nut; the protective tube stretching force test adjusting device 4 is used for testing the friction force between the gasket and the protective tube and adjusting according to the test result; the lower bracket oiling assembly station 5 is used for oiling the lower bracket and pressing the lower bracket into the protective tube. The bolt press-fitting device 6 is used for press-fitting the bolts on the lower bracket; the lock nut device 7 is used for locking nuts on the lower bracket bolts; the bushing pressing device 8 is used for automatically feeding the bushing and pressing the bushing into the lower protection tube; locking an auxiliary tool head on a central shaft at a mandrel assembling device 9, pressing the central shaft into a protective tube half assembly, taking a cover plate, and locking the cover plate on a lower protective tube; the drawing shaft device 10 is characterized in that a central shaft and an upper protection tube are assembled together through an auxiliary tool head, and then the auxiliary tool head is taken down to clamp a clamp spring on the central shaft; the front bracket assembling device 11 is used for assembling the third bushing, the first bracket sleeve, the second gasket and the first bolt together and locking the nut on the first bolt; the pressing rotating shaft bolt device 12 is used for pressing rotating shaft bolts into the upper bracket base and the lower protecting tube after the protecting tube and the first bracket are assembled; the protective tube bracket running-in device 13 is used for driving the first bracket to rotate so as to run in the first bracket and the upper bracket base; the nut locking angle force test and adjustment device 14 is used for locking a third nut on the rotating shaft bolt, testing the angle force, and adjusting the tightness of the third nut to control the angle force; the telescopic actuator assembly station is used for installing the telescopic actuator on the protective tube assembly and is connected with the telescopic bracket; the angle actuator assembly station 16 is used to mount the lock angle actuator on the shroud assembly and is connected to the angle bracket.
This application constitutes an assembly line with a plurality of station, can realize automaticly, great reduction assembly cost, and the productivity beat of this application is 35S, and to a great extent has improved work efficiency, and the uniformity of the product of this application production is good, and the yields is high.
Working principle:
firstly, riveting an upper protective tube, a lower protective tube and a telescopic support by a tubular column telescopic support riveting device 1, conveying a riveted workpiece to a steel belt cover plate assembling device 2, and assembling a cover plate, a steel belt and the telescopic support by the steel belt cover plate assembling device 2; then the assembled telescopic bracket is placed at a bushing gasket assembling device 3, the bushing gasket assembling device 3 preinstalls the bushing and the gasket together, and the preinstalled bushing and gasket are placed in the hole of the protective tube and the nut is locked; placing a workpiece locked with a nut on a protective tube stretching force test adjusting device 4, testing friction force between a gasket and a protective tube by the protective tube stretching force test adjusting device 4 and adjusting according to a test result, discharging a product of test NG from a defective product discharging component, discharging a product of test OK from the defective product discharging component, manually placing the workpiece of test OK and a lower support on a preassembling table, oiling on the lower support and pressing the lower support into the protective tube, then plugging two bolts on the contact surface of the lower support and the protective tube, and pressing the bolts on the lower support by a bolt pressing device 6; the locking nut device 7 locks nuts on bolts, and the bush pressing device 8 automatically loads bushes and presses the bushes into the lower protective tube; locking an auxiliary tool head on a central shaft at a mandrel assembling device 9, pressing the central shaft on a workpiece, taking a cover plate and locking the cover plate on the workpiece; the shaft drawing device 10 is characterized in that a central shaft and a bearing are assembled together through an auxiliary tool head, then the auxiliary tool head is taken down, and a clamp spring is clamped on the central shaft; the front bracket assembling device 11 assembles the third bushing, the first bracket sleeve, the second gasket and the first bolt together and locks the nut on the first bolt; the rotating shaft pressing bolt device 12 penetrates the protective tube into the first bracket and presses the rotating shaft bolt into the upper bracket base and the first bracket; the protective tube bracket running-in device 13 drives the first bracket to rotate so as to run in the first bracket and the upper bracket base; the nut locking angle force test and adjustment device 14 locks a third nut on the rotating shaft bolt and adjusts the tightness of the third nut; the telescopic actuator assembly station is used for installing the telescopic actuator on the protective tube assembly and connecting the telescopic actuator with the telescopic bracket; the angle actuator assembly station mounts the lock angle actuator on the shroud tube assembly and connects with the angle bracket.
On the basis of the above, as shown in fig. 2, the pipe column telescopic bracket riveting device 1 comprises a first fixing frame 101, a first tool for fixing the lower protection pipe is arranged on the first fixing frame 101, an oiling mechanism 103 for oiling the lower protection pipe is arranged above the first tool, and the oiling mechanism 103 is used for oiling the inside of the shell of the lower protection pipe and the outside of the shell.
One side of the first fixing frame 101 is provided with a second fixing frame, a second tool 105 for fixing the lower protective tube is arranged on the second fixing frame, a first riveting mechanism 106 is arranged above the second tool 105, and the first riveting mechanism 106 is used for riveting on the upper protective tube to rivet the upper protective tube and the telescopic bracket together.
Working principle:
the manual work is placed down on first frock, oiling mechanism 103 is automatic to be carried out the oiling for lower pillar, and the manual work is taken down from first frock after the oiling is accomplished, then gets an upper shield and inserts down in the pillar, then places on second frock 105 with upper shield and the lower pillar of pre-installation, gets a telescopic bracket and places on the upper shield, first riveting mechanism locks the screw, rivets upper shield and telescopic bracket together.
On the basis of the above, as shown in fig. 3, the steel strip cover plate assembling device 2 includes a twentieth fixing frame 201, a third tool 202 is disposed on the twentieth fixing frame 201, and a second screw locking mechanism 203 for locking screws is disposed above the third tool 202.
Working principle:
the lower protection pipe assembled at the pipe column telescopic bracket riveting device 1 is manually conveyed to the third tool 202, then a steel belt is taken to be placed on the telescopic bracket, a cover plate is taken to be placed on the steel belt, and the second screw locking mechanism 203 locks screws to assemble the cover plate, the steel belt and the telescopic bracket together.
On the basis of the above, as shown in fig. 4 and 5, the bushing gasket assembling device 3 includes a third fixing frame 301, a fourth tool 302 is disposed on the third fixing frame 301, a first transmission assembly 303 for driving the fourth tool 302 to move horizontally is disposed below the fourth tool 302 on the third fixing frame 301, the fourth tool 302 is used for placing a workpiece, and the first transmission assembly 303 is used for driving the workpiece to move towards a fifth rotating tool 304. A fifth rotating tool 304 and a sixth rotating tool 305 are arranged on one side of the fourth tool 302, and a first horizontal moving component 306 for driving the fifth rotating tool 304 to horizontally move is arranged below the fifth rotating tool 304; a second horizontal movement component for driving the sixth rotary tool 305 to horizontally move is arranged below the sixth rotary tool 305. Because the hole on the workpiece needs to be vertically upwards when oiling, lining, gasket and nut installing, and the hole is not vertically upwards when the workpiece is normally placed, the rotating tool is required to be clamped and driven to rotate to a specified angle. Since two sets of bushings and shims need to be assembled on the outer shell of the workpiece, the two sets of bushings and shims are disposed on different faces, two rotating tools, namely a fifth rotating tool 304 and a sixth rotating tool 305 are required. The fifth rotating tool 304 and the sixth rotating tool 305 have the same mechanism. One side of the sixth rotating tool 305 far away from the first transmission assembly 303 is provided with a second transmission assembly 308 for transmitting the workpiece out, and the second transmission assembly 308 is used for transmitting the workpiece assembled with the bushing, the gasket and the nut out, so that the processing of the next procedure is facilitated. The first clamping assembly 309, the oiling assembly 310, the second clamping assembly 311 and the lock nut assembly 312 are arranged above the fifth rotating tool 304 and the sixth rotating tool 305 on the third fixing frame 301, and the first clamping assembly 309 is used for clamping workpieces. During operation, the first clamping assembly 309 clamps and places the workpiece on the first transmission assembly 303 onto the fifth rotating tool 304; simultaneously, a second first clamping component 309 clamps and places the workpiece on the fifth rotating tool 304 on the sixth rotating tool 305; meanwhile, the third first clamping assembly 309 clamps and places the workpiece on the sixth rotating tool 305 on the second transmission assembly 308, so that the workpiece in three positions can be clamped and moved horizontally at the same time, and the working efficiency is improved. The oiling assembly 310 is used to oil the bore of the guard tube prior to installing the liner. The second clamping assembly 311 is used to clamp the pre-assembled liner and gasket and place the pre-assembled liner and gasket into the bore of the protective tube. The lock nut assembly 312 is used to take a nut to place the nut into the bore of the guard tube and tighten the nut.
The third fixing frame 301 is further provided with a first bushing feeding assembly 313 for feeding a first bushing, a first gasket feeding assembly 314 for feeding a first gasket, and a first nut feeding assembly 315 for feeding a first nut; one side of the first bushing feeding assembly 313 is provided with a first pre-assembly 316 for pre-assembling the first bushing and the first gasket together, and the first bushing feeding assembly 313 is used for feeding the bushings through the vibration plate so that the bushings are vibrated out in sequence. The gasket feeding assembly shakes out gaskets orderly through the vibrating disc. The first nut feeding assembly 315 sequentially shakes out nuts through a vibration plate. The pre-assembly is used to pre-assemble the bushing and gasket together to facilitate the clamping of the second clamping assembly 311 into the hole in the protective tube.
The first rotating tool and the sixth rotating tool 305 are both provided with a first clamping assembly 317 for clamping a workpiece, the first clamping assembly 317 is used for clamping the workpiece, and the workpiece falls off in the process of driving the workpiece to rotate when the fifth rotating tool 304 or the sixth rotating revolution is placed.
Working principle:
the workpiece is manually placed on the fourth tool 302, the first transmission component 303 drives the fourth tool 302 to drive the workpiece to move towards the direction of the fifth rotating tool 304 and move to a fixed position, the first clamping component 309 clamps the workpiece on the fourth tool 302 and drives the workpiece to move to the fifth rotating component, the first clamping component 317 clamps the workpiece, and the fifth rotating tool 304 drives the workpiece to rotate to a designated angle. Simultaneously, the first lining feeding component 313 is provided with a lining, the gasket feeding component is provided with a gasket, the first nut feeding component 315 is provided with a nut, and the lining and the gasket are combined together by a preassembly component; the first horizontal moving assembly 306 drives the fifth rotating tool 304 to drive the workpiece to move to the oiling assembly 310, and the oiling assembly 310 performs oiling in the hole of the protective tube; then the first horizontal moving component 306 drives the fifth rotating component to drive the workpiece to move to the bushing gasket assembling position, the second clamping component 311 clamps the pre-assembled bushing and gasket and places the pre-assembled bushing and gasket into the oiled hole, then the first horizontal moving component 306 drives the fifth rotating tool 304 to move to the lock nut component 312, and the lock nut component 312 takes a nut to place into the hole with the bushing and gasket and tightens the nut; the first horizontal moving component 306 drives the fifth rotating component to move to an initial position, the second clamping component 311 is loosened, the first clamping component 309 drives the workpiece to move to the sixth rotating tool 305, the sixth rotating tool 305 drives the workpiece to rotate to a specified angle, the oiling component 310 is used for oiling in a hole of the workpiece, the first clamping component 309 is used for placing a preassembled bushing and gasket in the hole of the workpiece, and the lock nut component 312 is used for taking a nut to be placed in the hole and locking the nut. Then, the first clamping assembly 309 clamps and places the workpiece on the sixth rotating tool 305 onto the second conveying assembly 308, and the second conveying assembly 308 drives the workpiece to be transferred out.
On the basis of the above, as shown in fig. 6, the protection tube stretching force test and adjustment device 4 includes a fourth fixing frame 401, a protection tube stretching force test and adjustment mechanism 410 is provided on the fourth fixing frame 401, the protection tube stretching force test and adjustment mechanism 410 is used for testing the friction force between the gasket and the protection tube, the tighter the nut lock of the lock bush and the gasket is, the larger the friction force between the gasket and the protection tube is, and the lower the friction force between the gasket and the protection tube is, the lower the nut lock of the lock bush and the gasket is. The fourth fixing frame 401 is provided with a truss manipulator 402 above the pipe protection expansion force testing and adjusting mechanism 410, and the truss manipulator 402 is used for taking a workpiece from the equipment of the previous procedure and placing the workpiece into the device.
As shown in fig. 7, the pipe extension force testing and adjusting mechanism 410 includes a seventh tool 403 for fixing a workpiece, one side of the seventh tool 403 is provided with a first rotating assembly 404 for driving the seventh tool 403 to rotate, and the first rotating assembly 404 is used for driving the seventh tool 403 to rotate so as to drive the workpiece to rotate, so that the nut on the pipe of the workpiece corresponds to the position of the tightness adjusting assembly 407, and the tightness adjusting assembly 407 is convenient to adjust the tightness of the nut. One side of the seventh tooling 403 is provided with a protection tube stretching force testing component 405 for testing the stretching force of the protection tube, and the protection tube stretching force testing component 405 is used for testing the stretching force of the protection tube, namely the friction force between the testing gasket and the protection tube. One side of the protection tube stretching force testing component 405 is provided with a second rotating component 406 for driving the protection tube stretching force testing component 405 to rotate, and the second rotating component 406 is used for driving the protection tube stretching force testing component 405 to rotate, so that the protection tube stretching force testing component 405 corresponds to the position of the protection tube, and the protection tube is convenient to drive to move horizontally. A tightness adjusting assembly 407 for tightening or loosening the nut is arranged below the seventh tool 403, and the tightness adjusting assembly 407 is used for tightening or loosening the nut, so as to adjust the friction force between the gasket and the protective tube.
The tightness adjusting assembly 407 comprises a tightening shaft, the tightening shaft is used for tightening or loosening a nut, one side of the tightening shaft is provided with a first up-and-down moving assembly for driving the tightening shaft to move up and down, and the first up-and-down moving assembly is used for driving the tightening shaft to move up and down so that the tightening shaft can contact the nut to adjust tightness of the nut. One side of the first up-down moving component is provided with a third horizontal moving component for driving the first up-down moving component to horizontally move, and the third horizontal moving component is used for driving the first up-down moving component to horizontally move, so that the tightening shaft corresponds to the position of the nut on the protective tube in the horizontal direction. Two nuts are arranged on the protective tube, the nuts are adjusted by moving horizontally to the lower part of one nut, and then the nuts are adjusted by moving to the lower part of the other nut.
The protective tube stretching force testing component 405 comprises a clamping groove for clamping the protective tube, and the clamping groove is used for clamping the ear part on the protective tube and driving the ear part to move horizontally. One side of draw-in groove is connected with the first press that is used for driving draw-in groove horizontal migration through connecting plate and link, thereby first press is used for driving draw-in groove horizontal migration and drives the relative work piece horizontal migration of pillar, the link respectively with connecting plate and draw-in groove fixed connection, the connecting plate is connected with the drive end of first press, the drive end of first press is provided with pressure sensor, pressure sensor is used for detecting the pressure of first press promptly the frictional force between some gaskets and the pillar.
The traditional test station and the adjusting station are two different stations, the friction force between the gasket and the protection tube is tested firstly, the adjusting station is taken to be adjusted according to the test result, the test is carried out after the adjustment, then the adjusting station is taken to be adjusted, the workpiece moves between the two stations, the occupied time is long, and the test efficiency is low.
Compare traditional test station and the regulation station that sets up alone, the elasticity of the nut of pinning the gasket is adjusted to the frictional force limit test gasket and pillar in this application, saves time, and adjustment efficiency is high.
Working principle:
the workpiece is placed on a seventh tool 403, the first rotating assembly 404 drives the workpiece to rotate to a fixed angle, so that a nut to be adjusted is vertically downward, the third horizontal moving assembly drives the tightness adjusting assembly 407 to move below the nut to be adjusted, the second rotating assembly 406 drives the protective tube stretching force testing assembly 405 to rotate, so that the clamping groove clamps the ear part of the protective tube, the first press tests friction force between the gasket and the protective tube, when the friction force between the gasket and the protective tube is larger than a preset value, the tightening shaft tightens the nut, then the first press continues to test the friction force between the gasket and the protective tube, and the tightening shaft is adjusted according to the testing structure of the first press until the friction force between the gasket and the protective tube meets the requirement; then the first rotating component 404 drives the workpiece to rotate by a designated angle so that the other nut is vertically downward, the third horizontal moving component drives the tightness adjusting component 407 to move to the lower side of the nut to be adjusted, the second rotating component 406 drives the protective tube expansion force testing component 405 to rotate so that the clamping groove clamps the ear part of the protective tube, the first press is used for testing, and the shaft is screwed to adjust the nut until the tightness of the other nut is moderate.
The fourth fixing frame 401 is provided with a good product blanking assembly and a defective product blanking assembly, the good product blanking assembly is used for blanking the work piece with test OK, and the defective product blanking assembly is used for blanking the work piece with test NG. The truss manipulator 402 places the test OK workpiece on the good product blanking component and transmits the test OK workpiece out; truss manipulator 402 places the work piece of test NG onto the defective blanking assembly and out.
The protection tube telescoping force test and adjustment mechanism 410 is provided with four. Because the period of one workpiece protection tube expansion and contraction test is long, if only one protection tube expansion and contraction force test adjusting mechanism 410 is provided, the normal operation of the following process is affected. The test completion workpiece truss manipulator 402 takes a workpiece away to the next process, so that time is saved and working efficiency is improved. The number of the protection tube stretching force test adjusting mechanism is set according to actual requirements, and the number of the protection tube stretching force test adjusting mechanism is not limited.
On the basis of the above, the lower bracket oiling and assembling station 5 comprises a preassembling table, and a second press is arranged on the preassembling table. The preassembling table is used for placing a workpiece, and the second press is used for pressing the lower support to the protective tube.
Working principle:
the test OK workpiece and the lower bracket are manually placed on the preassembling table, oiling is carried out on the lower bracket, two small bushings are taken, the two small bushings are buckled on two side edges of the protective tube, and the press is manually pulled to press the lower bracket onto the protective tube. The workpiece is then placed onto a pallet tool on a pallet assembly line. Then two bolts are plugged into holes on the contact surfaces of the lower bracket and the protective tube, and then the first bracket is put on the tray tool in advance.
On the basis of the above, as shown in fig. 8, the bolt press-fitting device 6 includes a fifth fixing frame 601, a first connecting frame 602 is disposed above the fifth fixing frame 601, a first rack (not shown in the figure) is slidably connected above the first connecting frame 602 through a first sliding rail and a first sliding block, and the first connecting frame 602 is slidably connected with the fifth fixing frame 601 through a second sliding rail and a second sliding block; a third press 603 is fixedly connected to one side of the first connecting frame 602, and the third press 603 is used for driving the pressing head 604 to move horizontally, so that the left bolt and the right bolt on the protective tube are pressed. A pressing head 604 is connected to a driving shaft of the third press 603, and the pressing head 604 is used for pressing a bolt. The pressure head 604 is slidably connected with the first connecting frame 602 through a third sliding rail and a third sliding block; the first support column 605 and the second support column 606 are symmetrically arranged on two sides of the inside of the first connecting frame 602, the first support column 605 and the second support column 606 correspond to the lower end position of the pressure head 604, and the first support column 605 and the second support column 606 support and fix bolts when the pressure head 604 presses the bolts and cooperate with the pressure head 604 to press the bolts into the protective tube.
The lower part that is located pressure head 604 on the mount is provided with the first jacking subassembly that is used for jacking up the tray, first jacking subassembly is used for jacking up the tray to the high position and is convenient for press-fit bolt, prevents to influence tray assembly line normal operating.
The principle of the acting force and the reaction force of the third press 603 is used for pressing the bolts by the application, so that the bolt pressing device 6 is simple in structure and small in size.
Working principle:
when the right bolt needs to be pressed, the driving shaft of the third press 603 extends to drive the pressing head 604 to move rightwards along the third sliding rail, and the driving shaft of the third press 603 continues to extend when the pressing head 604 moves to contact the right bolt, at this time, the first connecting frame 602 moves leftwards along the first sliding block, so as to drive the second support column 606 to move leftwards, and the extending shaft of the third press 603 continues to extend after the second support column 606 contacts the bolt until the pressing head 604 and the second support column 606 cooperate to press the bolt on the lower bracket;
when the left bolt needs to be pressed, the driving shaft of the third press 603 retracts to drive the pressing head 604 to move leftwards along the third sliding rail, the driving shaft of the third press 603 continues to retract when the driving shaft moves to contact the left bolt, at this time, the first connecting frame 602 moves rightwards along the first sliding block, so as to drive the first supporting column 605 to move rightwards, and the extending shaft of the third press 603 continues to retract after the first supporting column 605 contacts the bolt until the pressing head 604 cooperates with the first supporting column 605 to press the bolt on the lower bracket, so that the press mounting is completed. The drive shaft of the third press 603 is then extended such that the ram 604 is between the two bolts, and the first jacking assembly moves the pallet down onto the pallet line, where it flows to the next station.
On the basis of the above, as shown in fig. 9, the lock nut device 7 includes a sixth fixing frame 701, a second lifting assembly 702 is disposed on the sixth fixing frame 701, the second lifting assembly 702 is used for lifting the tray, a turntable 703 is disposed on the second lifting assembly 702, and the turntable 703 is used for driving the turntable to rotate 180 degrees. Because two bolts are symmetrically arranged on two sides of the protective tube, nuts need to be locked on the two bolts, and after the nuts are locked on one bolt, the nuts need to be locked on the other bolt by rotating 180 degrees.
One side of the turntable 703 is provided with a second nut feeding assembly 704, and the second nut feeding assembly 704 is used for feeding nuts. The sixth fixing frame 701 is provided with a first screw gun 705, and the first screw gun 705 is used for locking a nut on a bolt. A turnover assembly 706 is arranged between the second nut feeding assembly 704 and the first screw gun 705, a pneumatic clamping jaw 707 is arranged on the turnover assembly 706, the pneumatic clamping jaw 707 is used for clamping nuts on the nut feeding assembly, and the turnover assembly 706 is used for driving the pneumatic clamping jaw 707 to turn 90 degrees so as to drive the nuts to rotate 90 degrees, so that the first screw gun 705 is convenient to clamp the nuts.
Working principle:
the jacking assembly jacks up the tray to enable the tray to be in a high position, the second nut feeding assembly 704 is used for feeding nuts, the pneumatic clamping jaw 707 clamps the nuts on the second nut feeding assembly 704, the overturning assembly 706 drives the pneumatic clamping jaw 707 to overturn 90 degrees so as to drive the nuts to overturn 90 degrees, the threaded holes of the nuts are aligned with the first screw guns 705, and the first screw guns 705 absorb the nuts and lock the nuts on the bolts. The turntable 703 then drives the tray to rotate 180 degrees to drive the workpiece to rotate 180 degrees, and the first screw gun 705 locks another nut.
On the basis of the above, as shown in fig. 10, the bushing pressing device 8 includes a seventh fixing frame 801, a third jacking component 802 is provided on the seventh fixing frame 801, the third jacking component 802 is used for jacking the tray to make the tray be in a high position, and a bushing feeding component 803 for feeding the second bushing is provided on the seventh fixing frame 801, where the bushing feeding component 803 is a bushing feeding vibration disk, and the bushing feeding vibration disk shakes out the bushing. Two second bushing feeding assemblies 804 are symmetrically arranged above the third jacking assembly 802 on the seventh fixing frame 801, and the second bushing feeding assemblies 804 are used for sleeving the sucked bushing on the bushing pressing assembly 805, so that the bushing pressing assembly 805 can press the bushing into a workpiece conveniently. The workpiece of the present application needs to be pressed into the left and right bushings, so that two sets of the second bushing feeding assemblies 804 are needed to respectively sleeve the bushings on the bushing pressing assembly 805. The second bushing feeding assemblies 804 are connected with the bushing feeding assemblies 803 through pipelines, and two groups of second bushing feeding assemblies 804 are connected with the same bushing feeding assembly 803 through pipelines. One side of the second bushing feeding assembly 804 is provided with a bushing pressing assembly 805 for pressing the second bushing onto the workpiece, and the bushing pressing assembly 805 is used for pressing the bushing onto the workpiece.
The bushing pressing assembly 805 in this application uses the acting force and the reaction force of the electric cylinder to press the two bushings into the workpiece, and the working principle is consistent with the pressing principle of the bolt pressing device 6, which is not described herein.
On the basis of the above, as shown in fig. 11, the mandrel assembling device 9 includes a second preassembly component 902, a mandrel press-fitting component 903 and a locking screw component 904 sequentially arranged according to the transmission direction of the pallet assembly line, wherein the preassembly component is used for preassembling an auxiliary tool head on a central shaft, the mandrel press-fitting component 903 is used for press-fitting the central shaft on a workpiece, and the locking screw component 904 is used for locking screws on different surfaces of the workpiece.
The preassembling assembly comprises a jacking rotating assembly arranged above the tray assembly line, and the jacking rotating assembly is manually driven to rotate 180 degrees, so that the workpiece is driven to rotate 180 degrees, and press fitting is facilitated. One side of the jacking rotating assembly is provided with a preassembling tool, the preassembling tool is used for placing a workpiece, and an auxiliary tool head is manually locked on the central shaft.
As shown in fig. 12, the central shaft press assembly 903 includes a fourth jacking assembly, a second connecting frame 905 is disposed above the fourth jacking assembly, a second rack (not shown in the drawing) is slidably connected above the second connecting frame 905, a fourth press 906 is disposed on one side of the second connecting frame 905, a tenth press 907 is disposed on the fourth press 906, the tenth press 907 and the second connecting frame 905 are slidably connected with the fourth press 906, and the central shaft is press-mounted on a workpiece through acting force and reaction force, and the working principle of the fourth press and the working principle of the bolt press assembly device 6 are not described herein.
As shown in fig. 13, the screw locking assembly 904 includes a fifth jacking assembly, a cover plate feeding assembly 908 for feeding a cover plate is provided above the fifth jacking assembly, the cover plate feeding assembly 908 includes a vacuum chuck, a lower end surface of the vacuum chuck is consistent with a contour of the cover plate, an up-and-down moving cylinder for driving the vacuum chuck to move up and down is provided on one side of the vacuum chuck, a left-and-right moving cylinder for driving the up-and-down moving cylinder to move left and right is provided on one side of the up-and-down moving cylinder, a second screw gun 909 is provided on one side of the cover plate feeding assembly 908, and a rotating cylinder 910 for driving the second screw gun 909 to rotate by 90 degrees is provided on one side of the second screw gun 909. Since the screws on the workpiece that need to be locked are on two faces perpendicular to each other, the second screw gun 909 needs to be rotated 90 degrees.
Working principle:
manually locking an auxiliary tool head on a central shaft, then placing a workpiece on a jacking rotating assembly, manually rotating the jacking rotating assembly by 180 degrees to enable the workpiece to rotate by 180 degrees, then driving the workpiece to descend by the jacking rotating assembly, driving the tray to a position of a central shaft press assembly 903, driving a fourth press head 604 by a fourth press machine 906 to press the central shaft on the workpiece, then sucking a cover plate which is placed on the tray tool in advance by a vacuum chuck, placing the cover plate on the workpiece and pressing the cover plate, enabling a threaded hole on the cover plate to correspond to the threaded hole on the workpiece in position, enabling a screw gun to lock a screw in one hole of the cover plate, removing the vacuum chuck, and enabling a screw gun to lock a screw in another screw hole of the cover plate; the rotary cylinder 910 then drives the second screw gun 909 to rotate 90 degrees, and the second screw gun 909 continues the screws at other positions.
On the basis of the above, as shown in fig. 14, the drawing shaft device 10 includes a ninth fixing frame 1001, on the ninth fixing frame 1001, according to the flow direction of the tray assembly line, a shaft assembly 1002 for assembling the central shaft with the bearing, a disassembling auxiliary tool head assembly 1003 for disassembling the auxiliary tool head, and a clamping spring assembly 1004 for assembling the clamping spring on the central shaft are sequentially disposed, the shaft assembly 1002 is used for assembling the shaft with the bearing, the disassembling auxiliary tool head is used for disassembling the auxiliary tool head after the assembly of the shaft with the bearing is completed, and the clamping spring assembly 1004 is used for clamping the clamping spring in the groove of the central shaft. The auxiliary tool head is not a part of a workpiece, is an auxiliary tool for assisting in pulling the central shaft, and needs to be detached after the central shaft and the bearing are assembled.
As shown in fig. 15, the shaft assembly 1002 includes a sixth jacking assembly disposed on a ninth fixing frame 1001, and a third clamping assembly 1005 for clamping a workpiece housing and a packing assembly 1006 for protecting a protective tube are disposed above the sixth jacking assembly, and the third clamping assembly 1005 is used for clamping the workpiece housing so as to ensure concentricity of the protective tube and the central shaft. One side of the wrapping component 1006 away from the third clamping component 1005 is provided with a stretching component for pulling the auxiliary tool head, and the stretching component pulls the auxiliary tool head to pull the central shaft to move backwards, so that the central shaft and the bearing are assembled together.
The stretching assembly comprises a fifth pressure head, a shaped hook 1008 is arranged on the fifth pressure head, a fifth press 1007 used for driving the fifth pressure head to horizontally move is arranged on one side of the fifth pressure head, and the shaped hook 1008 is used for hooking an auxiliary tool head so as to facilitate the auxiliary tool head to be pulled; the fifth press 1007 is configured to drive the fifth ram to move backward to pull the center shaft to move backward, thereby assembling the center shaft and the bearing.
As shown in fig. 16, the auxiliary fixture head assembly 1003 includes a seventh jacking assembly, the seventh jacking assembly is used for jacking up the tray so that the tray is separated from the tray assembly line, a braking assembly 1009 for braking the central shaft to prevent the central shaft from rotating and a holding assembly 1010 for holding the protective tube are disposed above the seventh jacking assembly, and the braking assembly 1009 is used for braking the central shaft to prevent the central shaft from rotating in the process of disassembling the auxiliary fixture head. The brake assembly 1009 comprises a spline shaft and a cylinder for driving the spline shaft to extend into the cylinder, and as the spline teeth are arranged at one end of the central shaft, which is far away from the auxiliary tool head, the spline shaft is selected to extend into the spline teeth to brake the central shaft. One side of the holding component 1010 is provided with an electric screw gun 1011 for disassembling the auxiliary tool head, and the auxiliary tool head is screwed on the central shaft due to the auxiliary tool, so that the auxiliary tool head needs to be screwed off from the central shaft when the auxiliary tool head is disassembled, and the electric screw gun 1011 is selected for screwing off the auxiliary tool head. One side of the holding component 1010 is provided with a third clamping component 1012 for clamping the disassembled auxiliary tool head, and the third clamping component 1012 is used for clamping the disassembled auxiliary tool head. A chute 1013 is arranged below the third clamping assembly 1012, and the chute 1013 extends to the mandrel assembly device 9; the detached auxiliary tool head slides to the mandrel assembly device 9 along the sliding groove 1013 for the mandrel assembly device 9 to continue to use.
The clamping spring assembly 1004 includes an eighth jacking assembly disposed on the ninth mount 1001, the eighth jacking assembly being configured to jack the tray such that the tray is disengaged from the tray line. The clamping spring clamping assembly is used for clamping the clamping springs on the tray, the clamping spring clamping assembly is used for clamping the clamping springs from the tray, a manipulator used for driving the clamping springs to clamp the clamping springs to move is arranged on one side of the clamping spring clamping assembly, and the manipulator is used for driving the clamping springs to clamp the clamping springs clamped on the tray to lean on the central shaft. One side of the clamping spring clamping component is provided with a sixth press used for clamping the clamping spring into a groove of the central shaft, a driving shaft of the sixth press is provided with a sixth pressing head, one end opening of the sixth pressing head, far away from the sixth press, is telescopic, and the sixth press is used for driving the sixth pressing head to push the clamping spring to be clamped into the clamping groove of the central shaft. Because the one end of center pin card jump ring is the tapering, and the jump ring is the diameter constantly grow at the in-process of card income, if the opening part of sixth pressure head does not have elasticity, can not block into the draw-in groove with the jump ring.
Working principle:
the auxiliary tool head on the workpiece is clamped in the hook 1008 after the sixth jacking component jacks the workpiece, the third clamping component 1005 clamps the workpiece shell, the wrapping component 1006 protects the protective tube, then the driving shaft of the fifth press 1007 pulls the fifth pressing head to pull the hook 1008 to move backwards, and the hook 1008 hooks the auxiliary tool head to drive the central shaft to stretch backwards until the central shaft and the bearing are assembled. The sixth jacking component drives the tray to move downwards to a tray assembly line, the tray flows to a seventh jacking component, the seventh jacking component jacks up the tray, the holding component 1010 holds the workpiece, a spline shaft of the braking component 1009 stretches into a spline tooth of the central shaft to brake the central shaft to prevent the central shaft from rotating, the electric screw gun 1011 screws off the auxiliary tool head, the third clamping component 1012 clamps the detached auxiliary tool head and then places the auxiliary tool head in the sliding groove 1013, and the auxiliary tool head slides to the position of the mandrel assembling device 9 for the mandrel assembling device 9 to continue to use. Then the seventh jacking component drives the tray to descend to the tray assembly line, the tray moves to the eighth jacking component, the eighth jacking component jacks up the tray, the clamp spring clamping component clamps the clamp spring placed on the tray in advance, the manipulator drives the clamp spring clamping component to rotate by 90 degrees, the center of the clamp spring is aligned with the center shaft, and the sixth press drives the sixth press head to push the clamp spring until the clamp spring is clamped into a clamping groove of the center shaft, and assembly of the clamp spring is completed.
On the basis of the above, as shown in fig. 17, the front bracket assembly device 11 includes a tenth fixing bracket 1101, a third bush assembly mechanism 1102 for pressing a third bush against a first bracket, a gasket attaching mechanism 1103 for attaching a gasket to the first bracket, a first bracket press mechanism 1104 for pressing the first bracket against a first bolt, and a first nut locking mechanism 1105 for locking a first nut against the first bolt are provided on the tenth fixing bracket 1101 once in a flow direction of a workpiece, the first bracket is first placed on a tray, and the first bracket on the tray is directly grasped when the third bush and the first bracket are assembled; the third bushing assembly mechanism 1102 is used for pressing the third bushing and the first bracket together, and oiling is performed on the first bracket in the pressing process of the third bushing and the first bracket; the shim mechanism 1103 is used to apply shims to a first bracket. The front bracket assembly device 11 further comprises a first manipulator 1106, a second manipulator 1107 and a third manipulator 1108; the first bracket press-fitting mechanism 1104 is used for press-fitting the third bushing and the first bracket on the first bolt; the first nut locking mechanism 1105 is used to lock the nut onto the first bolt. The first manipulator 1106 is used to grasp the first support from the tray and place the first support on the eighth tool 1110. The second manipulator 1107 is configured to place the first bracket with the third bushing on the ninth tool 1120, drive the first bracket with the patch to turn over 180 degrees, place the first bracket with the patch on the tenth tool 1132, clamp the upper bracket base on the tray, and sleeve the upper bracket base on the first bolt.
As shown in fig. 18, the third bushing assembling mechanism 1102 includes an eighth tooling 1110 fixedly disposed on the tenth fixing frame 1101, a third bushing feeding assembly 1111 for feeding a third bushing is disposed on one side of the eighth tooling 1110, the first manipulator 1106 grabs the first bracket and places the first bracket on the eighth tooling 1110, a seventh press 1112 for press-fitting the third bushing and the first bracket together is disposed above the eighth tooling 1110, and a fourth clamping assembly 1113 for grabbing the third bushing and placing the third bushing on the eighth tooling 1110 is disposed between the seventh press 1112 and the third bushing feeding assembly 1111;
as shown in fig. 19, the gasket attaching mechanism 1103 includes a ninth tooling 1120, one side of the ninth tooling 1120 is provided with a second gasket feeding assembly 1121 for feeding a second gasket, and a suction cup assembly 1122 for sucking the second gasket and placing the second gasket on the first bracket on the ninth tooling 1120 is disposed between the second gasket feeding assembly 1121 and the ninth tooling 1120;
as shown in fig. 20, the first bracket press-fitting mechanism 1104 includes an eighth press 1131, a tenth tool 1132 is provided on the eighth press 1131, a fifth clamping assembly 1133 and a sixth clamping assembly 1134 are provided on one side of the tenth tool 1132, and a first bolt feeding assembly 1135 for feeding the first bolt is provided on one side of the sixth clamping assembly 1134.
Working principle:
the third bushing feeding assembly 1111 transfers the third bushing, the fourth clamping assembly 1113 clamps a third bushing and places the third bushing on the eighth tooling 1110, then the first manipulator 1106 takes a first bracket from the tray and places the first bracket on the third bushing, and the seventh press 1112 presses the third bushing and the first bracket together; then the first manipulator 1106 clamps the first support and drives the first support to turn 180 degrees, at this time, the fourth clamping assembly 1113 clamps a third bushing and places the third bushing on the eighth tooling 1110, then the first manipulator 1106 places the first support on the third bushing, and the seventh press 1112 presses down to press the other surface of the first support and the third bushing together. Then the first manipulator 1106 clamps the first support from the eighth tool 1110 to the ninth tool 1120, the second gasket feeding component 1121 is fed, the suction cup component 1122 sucks a gasket and places the gasket on the first support, the first manipulator 1106 clamps the second gasket and the first support and turns 180 degrees, and then the suction cup component 1122 sucks a second gasket and attaches the second gasket to the first support. The first bolt feeding component 1135 is used for conveying out the first bolt, the sixth clamping component 1134 is used for clamping the first bolt and vertically inserting the first bolt into a hole on the tenth tool 1132, the second manipulator 1107 is used for sleeving the first bracket on the first bolt from the lower part of the ninth tool 1120, the fifth clamping component 1133 is used for clamping the first bracket sleeved on the first bolt, then the second manipulator 1107 is used for clamping an upper bracket base from the tray and sleeving the first bolt, and then the eighth press 1131 is used for pressing the upper bracket base and the first bracket together; the fifth clamping assembly 1133 is loosened, the second manipulator 1107 clamps the upper bracket base and rotates 180 degrees, the sixth clamping assembly 1134 clamps a first bolt and vertically inserts the first bolt onto the tenth tool 1132, the second manipulator 1107 sleeves the upper bracket base on the first bolt, the eighth press 1131 is pressed down to finish press fitting, the third manipulator 1108 clamps a workpiece after press fitting and places the workpiece on a turntable, the first nut locking mechanism 1105 locks a nut on the first bolt, and after locking of the nut is finished, the third manipulator 1108 clamps the upper bracket base and places the workpiece on the press shaft bolt device 12.
On the basis of the above, as shown in fig. 21, the pressing shaft bolt device 12 includes an eleventh fixing frame 1201, one side of the eleventh fixing frame 1201 is provided with a fourth manipulator 1202, and the fourth manipulator 1202 is used for grabbing the protective tube on the tray and driving the protective tube to be transferred into the bracket pressed in the previous process. An eleventh fixture 1203 is disposed on the eleventh fixing frame 1201, and the third manipulator 1108 places the press-fitted bracket onto the eleventh fixture 1203. A pressing component 1204 for pressing a workpiece shell is arranged above the eleventh tool 1203, and the pressing component 1204 is used for pressing the workpiece shell to prevent movement in the assembly process. One side of the eleventh fixing frame 1201 is provided with a spindle bolt feeding assembly 1205 for feeding spindle bolts, one side of the spindle bolt feeding assembly 1205 is provided with a seventh clamping assembly 1206 for grabbing spindle bolts, and the seventh clamping assembly 1206 is used for clamping spindle bolts on the spindle bolt feeding assembly 1205 and driving the spindle bolts to move to the driving end of the ninth press 1207. A ninth press 1207 is disposed on one side of the seventh clamping assembly 1206, and the ninth press 1207 is used for pressing the spindle bolt into the bracket and the protective tube, and assembling the bracket and the protective tube together.
Working principle:
in the previous process, the third manipulator 1108 places the pressed bracket on the eleventh fixture 1203, in the present process, the fourth manipulator 1202 clamps the protective tube on the tray and penetrates the protective tube into the first bracket, the pressing component 1204 presses the outer shell of the workpiece, the spindle bolt feeding component 1205 feeds the spindle bolt, the seventh clamping component 1206 clamps a spindle bolt to drive the spindle bolt to move to the driving shaft of the ninth press 1207, the driving shaft of the ninth press 1207 presses the spindle bolt, the seventh clamping component 1206 withdraws after the spindle bolt stretches into the protective tube, and the ninth press 1207 continues pressing the spindle bolt until the spindle bolt is pressed in place.
On the basis of the above, as shown in fig. 22, the pipe support running-in device 13 includes twelfth mount 1301, be provided with twelfth frock on the twelfth mount 1301, the side of twelfth frock is provided with the second clamping component that is used for gripping the support side, the second clamping component is used for gripping the side of support and makes the whole of work piece fixed, because the support of this application has four angles to fix, so the second clamping component of this application includes four clamping jaws. The end of the workpiece is located at the outer side of the first bracket and symmetrically provided with a first pin 1304 which can extend into a round hole of the first bracket, the first pin 1304 can extend into the round hole of the first bracket, the first pin 1304 can drive the first bracket to move horizontally when moving horizontally so as to enable the first bracket to rotate relative to the first bolt, and therefore the first bracket and the upper bracket base are in running, one side of the first pin 1304 is provided with a first cylinder 1305 used for driving the first pin 1304 to extend into or retract from, and the first cylinder 1305 is used for driving the first pin 1304 to extend into the round hole of the first bracket or retract from. One side of the first cylinder 1305 is provided with a first servo cylinder 1306 for driving the first cylinder 1305 to move back and forth along the axial direction of the workpiece, the first servo cylinder 1306 is used for driving the first cylinder 1305 to drive the first pin 1304 to drive the first bracket to move back and forth, one side of the protective tube bracket running-in device 13 is provided with a fifth robot, and the fifth robot is used for moving the running-in completed workpiece to the position of the nut locking angle force test and adjustment device 14.
Working principle:
the workpiece is placed on a twelfth tool, the second clamping assembly fixes four corners of the workpiece support, the first cylinder 1305 drives the first pin 1304 to extend into a round hole of the first support, the servo cylinder drives the first cylinder 1305 to drive the first support to move back and forth so that the first support rotates relative to the first bolt to break in the first support and the upper support base, the first cylinder 1305, the servo cylinder and the second clamping assembly reset after the break-in is completed, and the fifth robot places the workpiece after the break-in is completed at the nut locking angle force test and adjustment device 14.
On the basis of the above, as shown in fig. 23, the nut locking angle force test adjustment device 14 includes a thirteenth fixing frame 1401, a thirteenth fixture 1402 is provided on the thirteenth fixing frame 1401, a third clamping component 1403 for fixing four corners of the workpiece is provided on a side of the thirteenth fixture 1402, and the third clamping component 1403 is used for fixing the four corners of the workpiece to prevent the workpiece from moving during the test. One side of the thirteenth tooling 1402 is provided with a second pin 1404 capable of extending into the circular hole of the first bracket, and the second pin 1404 extends into the circular hole of the first bracket and drives the first bracket to horizontally move so as to drive the other end of the workpiece to tilt. A second servo cylinder 1405 for driving the second pin 1404 to extend into the circular hole of the first bracket is arranged on one side of the second pin 1404, and the second servo cylinder 1405 is used for driving the second pin 1404 to extend into the circular hole of the first bracket or retract. One side of the second servo electric cylinder 1405 is provided with a servo press 1406 for driving the second servo electric cylinder 1405 to move back and forth, and the servo press 1406 is used for driving the second servo electric cylinder 1405 to move back and forth so as to drive the first bracket to move back and forth relatively so as to drive the other end of the workpiece to tilt. One side of the thirteenth fixture 1402 is provided with a third nut feeding component 1407 for feeding a third nut and a servo tightening shaft 1408 for locking the nut, wherein the servo tightening shaft 1408 is used for locking the third nut on a rotating shaft bolt on one hand, and on the other hand, the third nut is tightened or loosened according to a test result during testing. An eighth clamping component 1409 for clamping the nut from the third nut feeding component 1407, driving the third nut to turn over by 90 degrees and driving the nut to move to the servo tightening shaft 1408 is arranged between the third nut feeding component 1407 and the servo tightening shaft 1408, and the eighth clamping component 1409 is used for clamping a third nut on the third nut feeding component 1407, driving the third nut to turn over by 90 degrees and then driving the third nut to move to the screw head of the servo tightening shaft 1408. The nut locking angle force test and adjustment device 14 further comprises a second pressure sensor for detecting a push-pull force, wherein the second pressure sensor is arranged on the servo press 1406 and is used for detecting the push-pull force acting on the first bracket and adjusting the tightness of the third nut according to the push-pull force; unscrewing the third nut when the second pressure sensor detects a large push-pull force; and the third nut is screwed when the second pressure sensor detects that the push-pull force is small.
This application can be automatic lock nut at pivot bolt, can test the required power of work piece one end perk on one side and adjust the elasticity of nut according to the result of test force, traditional test station and regulation station are on two different stations, get into the regulation station after the test and adjust, get back to the test station and test once more after the regulation, then adjust, repeatedly remove between test station and regulation station many times, compare traditional test regulation mode this application simple structure, efficiency of software testing is higher, save time.
Working principle:
the workpiece is placed on a thirteenth fixture 1402, the third clamping component 1403 fixes four corners of the workpiece, the third nut is clamped on the third nut feeding component 1407, the eighth clamping component 1409 clamps a third nut to drive the third nut to turn over 90 degrees and drive the third nut to move to a servo tightening shaft 1408, the servo tightening shaft 1408 locks the third nut on a rotating shaft bolt, then the second servo cylinder 1405 drives the second pin 1404 to extend into a round hole of the first bracket, the servo press 1406 drives the second servo cylinder 1405 to move back and forth so that one end of the workpiece is tilted, the magnitude of push-pull force is detected by a pressure sensor, and tightness of the third nut is adjusted according to a test result.
The above embodiments are only for illustrating the technical concept and features of the present invention, and are intended to enable those skilled in the art to understand the content of the present invention and to implement the same, but are not intended to limit the scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be included in the scope of the present invention.

Claims (15)

1. Four-way electric control tubular column assembly line, its characterized in that: including tubular column telescopic bracket riveting set (1), steel band apron assembly device (2), bush gasket assembly device (3), pillar flexible power test adjusting device (4), lower carriage fat liquoring equipment station (5), bolt pressure equipment device (6), lock nut device (7), press bush device (8), dabber assembly device (9), draw axle device (10), fore-stock assembly device (11), press pivot bolt device (12), pillar support running-in device (13), nut locking angle power test adjusting device (14), flexible executor equipment station (15) and angle executor equipment station (16) that set gradually according to the flow direction of work piece, four-way electrically regulated tubular column assembly line is still including the tray assembly line that is used for carrying the tray to each station.
2. The four-way electrically adjustable pipe string assembly line of claim 1, wherein: the pipe column telescopic bracket riveting device (1) comprises a first fixing frame (101), a first tool used for fixing a lower protection pipe is arranged on the first fixing frame (101), and an oiling mechanism (103) used for oiling the lower protection pipe is arranged above the first tool;
one side of first mount (101) is provided with the second mount, be provided with second frock (105) that are used for fixed down the pillar on the second mount, the top of second frock (105) is provided with first riveting mechanism (106).
3. The four-way electrically adjustable pipe string assembly line of claim 1, wherein: the steel belt cover plate assembling device (2) comprises a twentieth fixing frame (201), a third tool (202) is arranged on the twentieth fixing frame, and a second screw locking mechanism (203) for locking screws is arranged above the third tool (202).
4. The four-way electrically adjustable pipe string assembly line of claim 1, wherein: the bushing gasket assembling device (3) comprises a third fixing frame (301), a fourth tool (302) is arranged on the third fixing frame (301), a first transmission component (303) used for driving the fourth tool (302) to move horizontally is arranged below the fourth tool (302) on the third fixing frame (301), a fifth rotating tool (304) and a sixth rotating tool (305) are arranged on one side of the fourth tool (302), and a first horizontal movement component (306) used for driving the fifth rotating tool (304) to move horizontally is arranged below the fifth rotating tool (304); a second horizontal movement assembly for driving the sixth rotary tool (305) to horizontally move is arranged below the sixth rotary tool (305); a second transmission assembly (308) for transmitting out a workpiece is arranged on one side, far away from the first transmission assembly (303), of the sixth rotary tool (305), and a first clamping assembly (309), an oiling assembly (310), a second clamping assembly (311) and a lock nut assembly (312) are arranged above the fifth rotary tool (304) and the sixth rotary tool (305) on the third fixing frame (301);
The third fixing frame (301) is also provided with a first bushing feeding assembly (313) for feeding a first bushing, a first gasket feeding assembly (314) for feeding a first gasket and a first nut feeding assembly (315) for feeding a first nut; one side of the first bushing feeding assembly (313) is provided with a first preassembly assembly (316) for pre-assembling the first bushing and the first gasket together;
a first clamping assembly (317) for clamping a workpiece is arranged on each of the fifth rotary tool (304) and the sixth rotary tool (305).
5. The four-way electrically adjustable pipe string assembly line of claim 1, wherein: the protection tube stretching force testing and adjusting device (4) comprises a fourth fixing frame (401), a protection tube stretching force testing and adjusting mechanism (410) is arranged on the fourth fixing frame (401), and a truss manipulator (402) is arranged above the protection tube stretching force testing and adjusting mechanism (410) on the fourth fixing frame (401);
the pipe telescoping force test and adjustment mechanism (410) comprises a seventh tool (403) for fixing a workpiece, a first rotating assembly (404) for driving the seventh tool (403) to rotate is arranged on one side of the seventh tool (403), a pipe telescoping force test assembly (405) for testing the magnitude of the pipe telescoping force is arranged on one side of the seventh tool (403), a second rotating assembly (406) for driving the pipe telescoping force test assembly (405) to rotate is arranged on one side of the pipe telescoping force test assembly (405), and an tightness adjustment assembly (407) for screwing or loosening a nut is arranged below the seventh tool (403);
The tightness adjusting assembly (407) comprises a tightening shaft, a first up-and-down moving assembly for driving the tightening shaft to move up and down is arranged on one side of the tightening shaft, and a third horizontal moving assembly for driving the first up-and-down moving assembly to move horizontally is arranged on one side of the first up-and-down moving assembly;
the protective tube stretching force testing assembly (405) comprises a clamping groove used for clamping the protective tube, one side of the clamping groove is connected with a first press used for driving the clamping groove to horizontally move through a connecting plate and a connecting frame, the connecting frame is fixedly connected with the connecting plate and the clamping groove respectively, the connecting plate is connected with the driving end of the first press, and the driving end of the first press is provided with a pressure sensor;
and a good product blanking assembly and a defective product blanking assembly are arranged on the fourth fixing frame (401).
6. The four-way electrically adjustable pipe string assembly line of claim 1, wherein: the lower bracket oiling and assembling station (5) comprises a preassembling table, and a second press is arranged on the preassembling table.
7. The four-way electrically adjustable pipe string assembly line of claim 1, wherein: the bolt press-fitting device (6) comprises a fifth fixing frame (601), a first connecting frame (602) is arranged above the fifth fixing frame (601), the first connecting frame (602) is connected with the first bench in a sliding manner through a first sliding rail and a first sliding block, and the first connecting frame (602) is connected with the fifth fixing frame (601) in a sliding manner through a second sliding rail and a second sliding block; a third press (603) is fixedly connected to one side of the first connecting frame (602), a driving shaft of the third press (603) is connected with a pressing head (604), and the pressing head (604) is in sliding connection with the first connecting frame (602) through a third sliding rail and a third sliding block; a first support column (605) and a second support column (606) are symmetrically arranged on two sides of the inside of the first connecting frame (602), and the first support column (605) and the second support column (606) correspond to the lower end position of the pressure head (604);
A first jacking component used for jacking the tray is arranged below the pressure head (604) on the fixing frame.
8. The four-way electrically adjustable pipe string assembly line of claim 1, wherein: the lock nut device (7) comprises a sixth fixing frame (701), a second jacking component (702) is arranged on the sixth fixing frame (701), and a turntable (703) is arranged on the second jacking component (702);
one side of revolving stage (703) is provided with second nut material loading subassembly (704), be provided with first screw rifle (705) on sixth mount (701), be provided with upset subassembly (706) between second nut material loading subassembly (704) and first screw rifle (705), be provided with pneumatic clamping jaw (707) on upset subassembly (706).
9. The four-way electrically adjustable pipe string assembly line of claim 1, wherein: the bushing pressing device (8) comprises a seventh fixing frame (801), a third jacking assembly (802) is arranged on the seventh fixing frame (801), bushing feeding assemblies (803) used for feeding second bushings are arranged on the seventh fixing frame (801), two second bushing feeding assemblies (804) are symmetrically arranged above the third jacking assemblies (802) on the seventh fixing frame (801), the second bushing feeding assemblies (804) are connected with the bushing feeding assemblies (803) through pipelines, and bushing pressing assemblies (805) used for pressing the second bushings onto workpieces are arranged on one side of the second bushing feeding assemblies (804).
10. The four-way electrically adjustable pipe string assembly line of claim 1, wherein: the mandrel assembly device (9) comprises a second preassembly component (902), a mandrel press-fit component (903) and a screw locking component (904) which are sequentially arranged according to the transmission direction of a tray assembly line;
the preassembling assembly comprises a jacking rotating assembly arranged above the tray assembly line, and one side of the jacking rotating assembly is provided with a preassembling tool;
the central shaft press-fitting assembly (903) comprises a fourth jacking assembly, a second connecting frame (905) is arranged above the fourth jacking assembly, a second bench is connected above the second connecting frame (905) in a sliding mode, a fourth press (906) is arranged on one side of the second connecting frame (905), a tenth press head (907) is arranged on the fourth press (906), and the tenth press head (907) is connected with the second connecting frame (905) in a sliding mode;
the screw locking assembly (904) comprises a fifth jacking assembly, a cover plate feeding assembly (908) for feeding a cover plate is arranged above the fifth jacking assembly, a second screw gun (909) is arranged on one side of the cover plate feeding assembly (908), and a rotary cylinder (910) for driving the second screw gun (909) to rotate by 90 degrees is arranged on one side of the second screw gun (909).
11. The four-way electrically adjustable pipe string assembly line of claim 1, wherein: the drawing shaft device (10) comprises a ninth fixing frame (1001), and a shaft assembly component (1002) for assembling a central shaft and a bearing together, an auxiliary tool head disassembly component (1003) for disassembling an auxiliary tool head and a clamping spring assembly (1004) for assembling a clamping spring on the central shaft are sequentially arranged on the ninth fixing frame (1001) according to the flow direction of a tray assembly line;
the shaft assembly (1002) comprises a sixth jacking assembly arranged on a ninth fixing frame (1001), a third clamping assembly (1005) for clamping a workpiece shell and a wrapping assembly (1006) for protecting a protective tube are arranged above the sixth jacking assembly, and a stretching assembly for stretching an auxiliary tool head is arranged on one side, far away from the third clamping assembly (1005), of the wrapping assembly (1006);
the stretching assembly comprises a fifth pressure head, a profile hook (1008) is arranged on the fifth pressure head, and a fifth press (1007) for driving the fifth pressure head to horizontally move is arranged on one side of the fifth pressure head;
the disassembly auxiliary tool head assembly (1003) comprises a seventh jacking assembly, a braking assembly (1009) for braking a central shaft to prevent the central shaft from rotating and a holding assembly (1010) for holding a protective pipe are arranged above the seventh jacking assembly, an electric screw gun (1011) for disassembling the auxiliary tool head is arranged on one side of the holding assembly (1010), a third clamping assembly (1012) for clamping the disassembled auxiliary tool head is arranged on one side of the holding assembly (1010), a chute (1013) is arranged below the third clamping assembly (1012), and the chute (1013) extends to a mandrel assembling device (9);
The clamping spring assembly (1004) comprises an eighth jacking assembly arranged on a ninth fixing frame (1001), one side of the eighth jacking assembly is provided with a clamping spring clamping assembly used for clamping a clamping spring on a tray, one side of the clamping spring clamping assembly is provided with a manipulator used for driving the clamping spring clamping assembly to move, one side of the clamping spring clamping assembly is provided with a sixth press used for clamping the clamping spring into a groove of a central shaft, a driving shaft of the sixth press is provided with a sixth pressure head, and one end opening of the sixth pressure head, which is far away from the sixth press, is telescopic.
12. The four-way electrically adjustable pipe string assembly line of claim 1, wherein: the front bracket assembling device (11) comprises a tenth fixing bracket (1101), a third bushing assembling mechanism (1102) for pressing a third bushing on a first bracket, a gasket attaching mechanism (1103) for attaching a gasket on the first bracket, a first bracket pressing mechanism (1104) for pressing the first bracket on a first bolt and a first nut locking mechanism (1105) for locking a first nut on the first bolt are arranged on the tenth fixing bracket (1101) at one time according to the flow direction of a workpiece, and the front bracket assembling device (11) further comprises a first manipulator (1106), a second manipulator (1107) and a third manipulator (1108);
The third bushing assembly mechanism (1102) comprises an eighth tool (1110) fixedly arranged on a tenth fixing frame (1101), a third bushing feeding assembly (1111) for feeding a third bushing is arranged on one side of the eighth tool (1110), a first support is grabbed by a first manipulator (1106) and placed on the eighth tool (1110), a seventh press (1112) for pressing the third bushing and the first support together is arranged above the eighth tool (1110), and a fourth clamping assembly (1113) for grabbing the third bushing and placing on the eighth tool (1110) is arranged between the seventh press (1112) and the third bushing feeding assembly (1111);
the gasket attaching mechanism (1103) comprises a ninth tool (1120), a second gasket feeding assembly (1121) for feeding a second gasket is arranged on one side of the ninth tool (1120), and a sucking disc assembly (1122) for sucking the second gasket and placing the second gasket on a first bracket on the ninth tool (1120) is arranged between the second gasket feeding assembly (1121) and the ninth tool (1120);
the first support press fitting mechanism (1104) comprises an eighth press (1131), a tenth tool (1132) is arranged on the eighth press (1131), a hole for vertically placing a first bolt is formed in the tenth tool (1132), a fifth clamping component (1133) and a sixth clamping component (1134) are arranged on one side of the tenth tool (1132), and a first bolt feeding component (1135) for feeding the first bolt is arranged on one side of the sixth clamping component (1134).
13. The four-way electrically adjustable pipe string assembly line of claim 1, wherein: the pressing rotating shaft bolt device (12) comprises an eleventh fixing frame (1201), a fourth manipulator (1202) is arranged on one side of the eleventh fixing frame (1201), an eleventh tool (1203) is arranged on the eleventh fixing frame (1201), a pressing component (1204) used for pressing a workpiece shell is arranged above the eleventh tool (1203), a rotating shaft bolt feeding component (1205) used for feeding rotating shaft bolts is arranged on one side of the eleventh fixing frame (1201), a seventh clamping component (1206) used for grabbing the rotating shaft bolts is arranged on one side of the rotating shaft bolt feeding component (1205), and a ninth press (1207) is arranged on one side of the seventh clamping component (1206).
14. The four-way electrically adjustable pipe string assembly line of claim 1, wherein: the pipe support running-in device (13) comprises a twelfth fixing frame (1301), a twelfth tool is arranged on the twelfth fixing frame (1301), a second clamping assembly used for clamping the side edge of the support is arranged on the side edge of the twelfth tool, first pins (1304) which can extend into round holes of the first support are symmetrically arranged on the outer side of the first support at the end portion of the workpiece, first air cylinders (1305) used for driving the first pins (1304) to extend into or retract are arranged on one side of the first pins (1304), first servo electric cylinders (1306) used for driving the first air cylinders (1305) to move back and forth along the axial direction of the workpiece are arranged on one side of the first air cylinders (1305), and a fifth robot is arranged on one side of the pipe support running-in device (13).
15. The four-way electrically adjustable pipe string assembly line of claim 1, wherein: the nut locking angle force test adjusting device (14) comprises a thirteenth fixing frame (1401), a thirteenth tool is arranged on the thirteenth fixing frame (1401), a third clamping assembly used for fixing four corners of a workpiece is arranged on the side edge of the thirteenth tool, a second pin (1404) capable of extending into a round hole of the first support is arranged on one side of the thirteenth tool, a second servo cylinder (1405) used for driving the second pin (1404) to extend into the round hole of the first support is arranged on one side of the second pin (1404), a servo press (1406) used for driving the second servo cylinder (1405) to move forwards and backwards is arranged on one side of the second servo cylinder (1405), a third nut feeding assembly (1407) used for feeding a third nut and a servo tightening shaft (1408) used for locking the nut are arranged on one side of the thirteenth tool, a second tightening shaft (1408) used for driving the third nut feeding assembly (1407) to clamp from the third nut feeding assembly (1407) and the servo tightening shaft (1408), and a tension sensor (1409) is further used for driving the third nut clamping assembly (1409) to rotate and take out tension force to the second nut (14) to move.
CN202310386826.5A 2023-04-12 2023-04-12 Four-way electric adjusting pipe column assembly line Active CN116079405B (en)

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CN218556171U (en) * 2022-10-31 2023-03-03 重庆耐世特转向系统有限公司 Automatic bolt tightening equipment suitable for electric power steering system protective pipe
CN115816061A (en) * 2022-11-29 2023-03-21 盐城家安乐自动化科技有限公司 Automatic assembling machine for automobile shock absorber support and assembling method thereof
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