CN112025290A - Assembling equipment - Google Patents

Assembling equipment Download PDF

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Publication number
CN112025290A
CN112025290A CN202010810379.8A CN202010810379A CN112025290A CN 112025290 A CN112025290 A CN 112025290A CN 202010810379 A CN202010810379 A CN 202010810379A CN 112025290 A CN112025290 A CN 112025290A
Authority
CN
China
Prior art keywords
bottom valve
press
valve body
pin
screw
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202010810379.8A
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Chinese (zh)
Other versions
CN112025290B (en
Inventor
孙立梅
尹文龙
张冠兰
张晓军
张世德
刘宣佑
繆勇
张立军
杜宏光
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CRRC Tangshan Co Ltd
Original Assignee
CRRC Tangshan Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by CRRC Tangshan Co Ltd filed Critical CRRC Tangshan Co Ltd
Priority to CN202010810379.8A priority Critical patent/CN112025290B/en
Publication of CN112025290A publication Critical patent/CN112025290A/en
Application granted granted Critical
Publication of CN112025290B publication Critical patent/CN112025290B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P21/00Machines 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B11/00Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
    • B25B11/02Assembly jigs

Abstract

The embodiment of the application provides assembling equipment, relates to the assembling technology of a railway vehicle, and is used for overcoming the problem that time and labor are wasted because a plurality of workers are required to use a plurality of tools to cooperate with each other during assembling in the related technology. The assembly apparatus for assembling a foot valve, comprising: a working bench; the pin pressing mechanism is mounted to the working rack and used for pressing the positioning pin into the positioning hole of the valve body of the bottom valve; the screw driving mechanism is mounted to the working rack and used for screwing a bottom valve bolt which is placed in a bolt hole of the bottom valve in advance; and the clamping mechanism is slidably arranged on the workbench and used for fixing the bottom valve body and driving the bottom valve body to slide to be opposite to the pin pressing mechanism or to be opposite to the screw driving mechanism.

Description

Assembling equipment
Technical Field
The application relates to the assembly technology of rail vehicles, in particular to assembly equipment.
Background
The rail vehicle is an important traffic tie connecting cities, is gradually a main vehicle in the cities, and is also a main carrier for realizing goods transportation. The rail vehicle is usually provided with a shock absorber which is used for playing a role of buffering and damping; for example, a shock absorber provided to the bogie and used for connecting the frame to the vehicle body, and a shock absorber provided to the bogie and used for connecting the frame to the axle box.
In the related art, in the process of repairing the shock absorber, when the shock absorber needs to be assembled, for example, when the bottom valve is assembled, in some assembling steps, a plurality of workers are required to be matched with each other by using a plurality of tools to operate, which is time-consuming and labor-consuming.
Disclosure of Invention
The embodiment of the application provides an assembling device which is used for overcoming the problem that time and labor are wasted because a plurality of workers are required to use a plurality of tools to be matched with each other when assembling in the related art.
The embodiment of the application provides an equipment for assembling bottom valve includes:
a working bench;
the pin pressing mechanism is mounted to the working rack and used for pressing the positioning pin into the positioning hole of the valve body of the bottom valve;
the screw driving mechanism is mounted to the working rack and used for screwing a bottom valve bolt which is placed in a bolt hole of the bottom valve in advance;
and the clamping mechanism is slidably arranged on the workbench and used for fixing the bottom valve body and driving the bottom valve body to slide to be opposite to the pin pressing mechanism or to be opposite to the screw driving mechanism.
In one possible implementation manner, the press pin mechanism includes:
the hand-operated press comprises a machine body, a driving piece arranged on the upper part of the machine body, a pressing block arranged on the output end of the driving piece and a supporting table arranged on the lower part of the machine body; the driving piece is used for driving the pressing block to press down the positioning pin.
In one possible implementation, the screw driving mechanism includes:
the longitudinal moving beam is arranged on the working rack in a longitudinally slidable manner;
the guide profile is arranged on the longitudinal moving beam;
the screw tightening gun is arranged on the guide profile in a sliding manner along the vertical direction and is used for tightening a bottom valve bolt which is pre-placed in a bolt hole of the bottom valve;
and the electric gun controller is electrically connected with the screw tightening gun and is used for controlling the working state of the screw tightening gun.
In one possible implementation manner, the guide profile is connected with the longitudinal moving beam through a linear bearing;
the assembling apparatus further includes: and the balance crane is arranged on the longitudinally moving beam or the guide profile and is used for being connected with the screw tightening gun.
In one possible implementation manner, the assembling device further comprises an indicator light;
the electric gun controller is used for generating a first prompt signal when the torque applied to the bottom valve bolt by the screw tightening gun reaches a preset torque value, and the first prompt signal is used for triggering the indicator lamp to light a first color; or, the electric gun controller is used for generating a second prompt signal when the torque applied to the bottom valve bolt by the screw tightening gun is smaller than the preset torque value, and the second prompt signal is used for triggering the indicator lamp to light a second color different from the first color.
In one possible implementation, the clamping mechanism includes:
the first guide rail is arranged on the working rack and/or the press pin mechanism;
the sliding base is arranged on the first guide rail in a transverse sliding manner;
a pneumatic clamp mounted to the sliding base; the pneumatic clamp is at least partially detachably arranged and is used for clamping the bottom valve body;
when the sliding base drives the bottom valve body to move to the first position, the positioning pin preassembled on the bottom valve body is opposite to the pressing block of the pin pressing mechanism; when the sliding base drives the bottom valve body to move to the second position, a bottom valve bolt preassembled to the bottom valve body is opposite to a screw tightening gun of the screw driving mechanism.
In one possible implementation, the clamping mechanism further includes:
the elbow clip is used for fixing the sliding base at a first position or a second position;
the drag chain is arranged on the working rack and/or the press pin mechanism; an air pipe is arranged in the drag chain and used for connecting the pneumatic clamp with an air source.
In one possible implementation manner, the assembling device further includes:
and the inner cylinder press-fitting mechanism is used for pressing the assembled bottom valve into the inner cylinder.
In one possible implementation manner, the inner cylinder press-fitting mechanism includes:
a bearing seat mounted to the work bench;
the pressure cylinder is arranged at the upper end of the bearing seat, a detachable pressure head is arranged at the output end of the pressure cylinder, and the pressure cylinder is used for applying pressure to the bottom valve under the driving action of the pressure cylinder;
and the fixing seat is mounted on the bearing frame and used for fixing the inner barrel.
In one possible implementation manner, the inner cylinder press-fitting mechanism further includes a displacement sensor, and the displacement sensor is used for detecting the displacement of the pressure head;
bear the seat and be provided with the second guide rail, vertical extension is followed to the second guide rail, the pressure head is connected with the direction connecting plate, the direction connecting plate with second guide rail sliding fit.
In one possible implementation manner, the working table frame comprises a frame main body, a first supporting plate, a second supporting plate and a third supporting plate;
the first supporting plate is arranged at the bottom end of the frame main body and is provided with a first containing area and a second containing area, and the first containing area is used for bearing an air source; the second accommodating area is used for accommodating the detachable quick-change piece;
the second supporting plate is connected to the frame main body and positioned above the first supporting plate, and the middle part of the second supporting plate is provided with the inner cylinder press-fitting mechanism; the inner cylinder press-fitting mechanism is provided with a press pin mechanism and a screw striking mechanism on one side, and a material box assembly on the other side;
the third supporting plate is connected to the frame body or the second supporting plate, is located above the second supporting plate, and is used for installing the pin pressing mechanism and the clamping mechanism.
In one possible implementation manner, the assembly equipment further comprises an illuminating lamp and an electric cabinet;
the illuminating lamp is arranged on the front side of the upper end of the working rack; one side of the illuminating lamp is provided with an indicating lamp;
the electric cabinet is positioned above the material box assembly and is positioned at the rear side of the illuminating lamp; the electric cabinet can be used for being electrically connected with a gun controller of the screw driving mechanism, a displacement sensor of the inner cylinder press-fitting mechanism, a prompting device and a lighting lamp.
In one possible implementation manner, a baffle extending upwards is arranged on the front side of the second support platform, a control switch is mounted on the baffle, at least part of the control switch is electrically connected with the electric cabinet, and the control switch is used for controlling the starting or stopping of the corresponding mechanism.
The embodiment of the application provides an assembling device, through set up pressure round pin mechanism on the work bench, beat screw mechanism and clamping mechanism, clamping mechanism can drive the bottom valve body and move between the work position relative with pressure round pin mechanism and the work position relative with beating screw mechanism, clamping mechanism can drive the bottom valve body and move to the work position relative with pressure round pin mechanism when needs assembly locating pin, clamping mechanism can drive the bottom valve body and move to the work position relative with beating screw mechanism when needing to screw up the bottom valve bolt, thereby need not artificial getting and changing the use tools, and need not a plurality of staff and mutually support, do benefit to reduction staff's work load, do benefit to and save time.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
FIG. 1 is a schematic diagram of an assembly apparatus provided in an exemplary embodiment;
FIG. 2 is a schematic structural view of a press pin mechanism and a clamping mechanism in an assembly apparatus according to an exemplary embodiment;
FIG. 3 is a schematic diagram of a screw driving mechanism in an assembly apparatus according to an exemplary embodiment;
FIG. 4 is a schematic structural diagram of an inner barrel press-fitting mechanism in the assembling apparatus according to an exemplary embodiment;
FIG. 5 is a schematic diagram of a base valve provided in an exemplary embodiment.
1-a working bench; 11-a frame body; 12-a first support plate; 121-a first receiving area; 122-a second containment area; 13-a second support plate; 14-a third support plate; 15-a baffle; 151-button box; 16-an indicator light; 17-a lighting lamp; 18-an electric cabinet; 19-a cartridge assembly; 20-a gas source;
3-a pin pressing mechanism; 31-hand press;
5-a clamping mechanism; 51-a first guide rail; 52-a slide base; 53-a pneumatic clamp; 54-elbow clip; 55-fixing block; 56-drag chain;
7-screwing mechanism; 71-longitudinal guide rails; 72-longitudinally moving the beam; 73-a guide profile; 731-linear bearing; 74-screw tightening gun; 741-hangers; 75-balance hanging;
9-inner cylinder press mounting mechanism; 91-a carrier; 911-a second guide rail; 92-a pressure cylinder; 93-pressure head; 94-a displacement sensor; 95-a fixed seat;
81-bottom valve; 811-positioning pins; 812-bottom valve bolt; 82-inner cylinder.
Detailed Description
In order to make the technical solutions and advantages of the embodiments of the present application more apparent, the following further detailed description of the exemplary embodiments of the present application with reference to the accompanying drawings makes it clear that the described embodiments are only a part of the embodiments of the present application, and are not exhaustive of all embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
In the related art, in the process of repairing the shock absorber, when the shock absorber needs to be assembled, for example, when the bottom valve is assembled, in some assembling steps, a plurality of workers are required to be matched with each other by using a plurality of tools to operate, which is time-consuming and labor-consuming.
For example, when assembling the positioning pin to the bottom valve body, at least one worker is required to fix the bottom valve body through the fixture, and another worker operates another tool to press-fit the positioning pin into the positioning hole of the valve body; when the bottom valve screw is screwed down, at least one worker is required to fix the bottom valve body through the clamp, and another worker operates other tools such as a torque wrench to screw down the screw. In the above process, when assembling different components, the operating site of the worker usually needs to be replaced, or the worker needs to replace the used tool, or the worker needs to replace the corresponding worker for operation, which results in long time consumption and high labor cost.
In order to overcome the above problems, this embodiment provides an assembling device, through set up pressure round pin mechanism on the work bench, beat screw mechanism and clamping mechanism, clamping mechanism can drive the bottom valve body and move between the work position relative with pressure round pin mechanism and the work position relative with beating screw mechanism, clamping mechanism can drive the bottom valve body and move to the work position relative with pressure round pin mechanism when needing the assembly locating pin, clamping mechanism can drive the bottom valve body and move to the work position relative with beating screw mechanism when needing to screw up the bottom valve bolt, thereby need not artificially to get and put and change the use tools, and need not a plurality of staff and mutually support, do benefit to and reduce staff's work load, do benefit to save time.
The structure, function and implementation process of the assembly device provided by the embodiment are illustrated in the following with reference to the drawings. For convenience of description, the side of the assembling device facing the worker is taken as the front, the end of the assembling device facing the ground is taken as the lower part, and the side of the press pin mechanism is taken as the left part. Wherein, the front-back direction is taken as the longitudinal direction, such as the direction indicated by the Y axis in the figure, and the direction indicated by the arrow is taken as the back; the left-right direction is taken as a transverse direction, such as the direction indicated by the X axis in the figure, and the direction indicated by the arrow is taken as the left; the up-down direction is the vertical direction, as indicated by the Z-axis in the figure, and the direction indicated by the arrow is up.
Referring to fig. 1 to 5, the present embodiment provides an assembling apparatus for assembling a base valve 81, for example, a base valve 81 for a shock absorber, and the structure of the valve body 81 is shown in fig. 5.
As shown in fig. 1 to 3, the assembling apparatus includes:
a work bench 1;
the pin pressing mechanism 3 is mounted on the workbench frame 1 and used for pressing a positioning pin 811 into a positioning hole of the bottom valve body;
a screw driving mechanism 7 mounted to the table frame 1 for screwing the bottom valve bolt 812 previously placed in the bolt hole of the bottom valve 81;
and the clamping mechanism 5 is slidably arranged on the workbench and used for fixing the bottom valve body and driving the bottom valve body to slide to be opposite to the pin pressing mechanism 3 or to be opposite to the screw driving mechanism 7.
The work bench 1 is a main carrier of the assembly equipment, is used for supporting the assembly equipment on the ground, and is used for carrying various functional mechanisms. The work bench 1 may be a box structure or a frame structure with a certain load-bearing capacity. Illustratively, the table includes a frame body 11 and a support plate; the frame main body 11 is formed by mutually connecting a plurality of cross beams, longitudinal beams and vertical beams; the frame body 11 may further include a plurality of stiffening beams for improving the carrying capacity of the workbench; at least one support plate is arranged on the frame body 11 and can be used for installing at least part of the functional mechanism.
The functional mechanism includes: a pin pressing mechanism 3, a screw driving mechanism 7, a clamping mechanism 5 and the like. The pin pressing mechanism 3 and the screw driving mechanism 7 may be arranged side by side, and the clamping mechanism 5 may be located below the pin pressing mechanism 3 and the screw driving mechanism 7. And the clamping mechanism 5 is arranged in a sliding manner, so that the clamping mechanism 5 can drive the bottom valve body to move to the pin pressing mechanism 3 or move to the screw driving mechanism 7.
As shown in fig. 2, the pin pressing mechanism 3 may include a hand press 31, the hand press 31 having a body, a driving member disposed at an upper portion of the body, a pressing block disposed at an output end of the driving member, and a supporting platform disposed at a lower portion of the body; the driving piece is used for driving the pressing block to press the positioning pin 811 downwards.
The operation of the arbor press 31 may be similar to conventional ones. For example, the hand press 31 may be a mechanical press, a motor or a hand wheel drives a large belt pulley to rotate through a triangle belt, the belt pulley drives a crank-slider mechanism to move through a gear pair and a clutch, and the slider can move along a straight line; in the present example, the slider moves in a vertical direction; the slide block can be used as a pressing block to directly act on the positioning pin 811; or, the slide block is directly or indirectly connected with a press block, and the press block acts on the positioning pin 811. Wherein, the motor or the hand wheel is a driving part.
For another example, the arbor press 31 may be a pneumatic press, and includes a pressure cylinder 92 as a driving member and a logic valve connected to the pressure cylinder 92, and a press block is formed or provided at an output end of the pressure cylinder 92. Wherein, the motion state of the piston rod of the pressure cylinder 92 can be controlled by controlling the logic valve, thereby controlling the motion state of the pressure block. In addition, the wrench press 31 may be provided with a wrench lever, and the worker may control the logic valve through the wrench lever.
An accommodation space may be provided between the pressing block and the support table of the lever press 31, and the accommodation space is used for accommodating the clamping mechanism 5 and the bottom valve body clamped by the clamping mechanism. During specific implementation, the driving piece is arranged on the machine body in a sliding manner along the vertical direction, so that the position of the pressing block can be adjusted conveniently, and the pressing block is prevented from interfering with the movement of the clamping mechanism 5 and the bottom valve body; wherein, the driving piece can be connected with the machine body in a sliding way through the intermediate piece. Or the pressing block has a relatively large stroke along the vertical direction, so that the position of the pressing block is favorably adjusted, and the pressing block is prevented from interfering with the movement of the clamping mechanism 5 and the bottom valve body.
In some examples, the wrench press 31 may further include a detecting member, which may be a pressure sensor or a displacement sensor, to determine whether the positioning pin 811 is installed in place according to a detection result of the detecting member. Of course, it is also possible to determine whether positioning pin 811 is in place by observing the relative positions of positioning pin 811 and the base valve body positioning hole.
It can be understood that: the structure and implementation of the arbor press 31 are not limited thereto, and the embodiment is only illustrated here.
As shown in fig. 3, the screwing mechanism 7 includes: a longitudinal moving beam 72, a guide profile 73, a screw tightening gun 74 and a gun controller. Two parallel longitudinal guide rails 71 are arranged on the working table frame 1, and sliding blocks matched with the longitudinal guide rails 71 are arranged at two ends of the longitudinal moving beam 72, so that the longitudinal moving beam 72 can slide along the longitudinal guide rails 71. In addition, the screwing mechanism 7 may further include a locking member for locking the longitudinal moving beam 72 with the longitudinal rail 71 when the longitudinal moving beam 72 slides along the longitudinal rail 71 to a predetermined position. The locking member may be a damping member disposed between the longitudinal rail 71 and the slider, or a bolt for positioning the slider relative to the rail.
The guide profile 73 is arranged on the longitudinal displacement beam 72. The guide profile 73 extends in the vertical direction. The guide profile 73 may be fixed to the trailing beam 72. Alternatively, the guide profile 73 is slidably disposed on the longitudinal moving beam 72, and the guide profile 73 slides in the lateral direction; specifically, the guide profile 73 is provided to the longitudinal movement beam 72 through a linear bearing 731; the longitudinal beam 72 is provided with a movable locating sleeve, which will move to the guide profile 73 under the action of external force when the guide profile 73 moves to a preset position relative to the longitudinal beam 72 so as to avoid relative displacement between the guide profile 73 and the longitudinal beam 72.
In other examples, the guide profile 73 can also be fastened directly to the work bench 1 or else. Alternatively, the guide profile 73 can be displaced laterally relative to the work bench 1. Alternatively, the guide profile 73 can be displaced longitudinally relative to the work bench 1.
The screw tightening gun 74 is slidably provided in the guide profile 73 in the vertical direction, and is used to tighten a bottom valve bolt 812 previously inserted into a bolt hole of the bottom valve 81. In a specific implementation, the guiding profile 73 may be provided with a vertically extending slide groove, and the screw tightening gun 74 may be provided with a slide block that fits the slide groove.
In a specific implementation, a locking member may be further included for locking the screw tightening gun 74 with the guide profile 73 when the screw tightening gun 74 moves to a preset position relative to the guide profile 73, so as to prevent relative movement between the screw tightening gun 74 and the guide profile 73. The locking member may comprise a bolt, a U-shaped clip, etc., and accordingly, the profile and screw tightening gun 74 is provided with corresponding mating holes; for example, the screw tightening gun 74 may be provided with a plurality of fitting holes at intervals, and the fitting holes may be provided in advance at corresponding positions of the guide profile 73 according to the positions of the screw tightening gun 74 at which the guide profile 73 stays. In addition, the lower end of the chute may be provided with a stopper portion such as a stopper plate for limiting a lower limit position of the screw tightening gun 74 to restrict the screw tightening gun 74 from continuing to move downward.
Optionally, the screwing mechanism 7 further comprises: and the balance crane 75 is arranged on the longitudinal moving beam 72 or the guide profile 73 and is used for being connected with the screw tightening gun 74. The balance crane 75 is used for lifting and lowering the screw tightening gun 74, so that the labor intensity of workers is further reduced, and the working efficiency is improved. Correspondingly, the screw tightening gun 74 is provided with a hanging lug 741 for matching with the balance crane 75, and the hanging lug 741 may be of an annular structure, specifically, a circular ring, an elliptical ring or a polygonal ring.
The gun controller is electrically connected to the screw tightening gun 74 for controlling the operating state of the screw tightening gun 74, and may be used for controlling the rotation angle and/or rotation speed of the screw tightening gun 74, and the like. In particular implementations, the gun controller may receive operator input of control parameters, such as torque or rotational angle (turns), corresponding to the bolt to be tightened, and control the screw tightening gun 74 based on the received control parameters. The gun controller may be located at or around the top end of the screwing mechanism 7.
Optionally, the assembly device further comprises an indicator light 16. The indicator light 16 may be electrically connected directly or indirectly to the gun controller. The gun controller is used for generating a first prompt signal when the torque applied to the bottom valve bolt 812 by the screw tightening gun 74 reaches a preset torque value, and the first prompt signal is used for triggering the indicator lamp 16 to light a first color; alternatively, the gun controller is configured to generate a second cue signal when the torque applied to the base valve bolt 812 by the screw tightening gun 74 is less than a preset torque value, the second cue signal being configured to trigger the indicator light 16 to illuminate a second color different from the first color. In particular implementations, the first color may be green and the second color may be red.
The clamping mechanism 5 is used for clamping and fixing the bottom valve body, and can drive the bottom valve body to move along the transverse direction, so that the bottom valve body is positioned below the pressing block of the pin pressing mechanism 3 or below the screw tightening machine of the screw driving mechanism 7. Therefore, the clamping mechanism 5 has relatively high use frequency, is beneficial to saving the cost of assembling equipment, is beneficial to reducing the operations of taking and placing the bottom valve body and clamping and fixing the bottom valve body, and is beneficial to simplifying the operation process.
As shown in fig. 2, the clamping mechanism 5 includes: a first guide rail 51 provided to the work bench 1 and/or the press pin mechanism 3; a slide base 52 slidably provided on the first guide rail 51 in the lateral direction; a pneumatic clamp 53 mounted to the slide base 52; the pneumatic clamp 53 is at least partially detachably arranged and is used for clamping the bottom valve body; when the sliding base 52 drives the bottom valve body to move to the first position, the positioning pin 811 preassembled on the bottom valve body is opposite to the pressing block of the pressing pin mechanism 3; when the sliding base 52 drives the bottom valve body to move to the second position, the bottom valve bolt 812 pre-installed in the bottom valve body is opposite to the pressure head 93 of the screwing mechanism 7.
The first guide rail 51 may include a mounting plate and a rail body disposed on the mounting plate. The left end of the mounting plate is mounted on the supporting table of the hand-press machine 31, and the right end of the mounting seat is mounted on the working table frame 1 through a mounting column. The guide rail main body can be one or a plurality of guide rail main bodies arranged side by side, and each guide rail main body extends along the transverse direction. The slide base 52 may be a block-shaped structure, and the lower end surface of the slide base 52 is provided with a slide groove engaged with the rail main body. The upper end of the slide base 52 is mounted with a pneumatic clamp 53.
The pneumatic clamp 53 may be a swage. In some examples, the pneumatic clamp 53 may be removably coupled to the slide base 52 to facilitate replacement of the adapted pneumatic clamp 53 depending on the size or model of the base valve body. In other examples, the jaws of pneumatic clamp 53 may be removably positioned to facilitate replacement of the appropriate jaws depending on the size or model of the base valve body; wherein, the clamping jaw has a plurality ofly, and a plurality of clamping jaws can be respectively detachably set up. Of course, the quick-change manner of the pneumatic clamp 53 is not limited thereto, as long as it can realize that the bottom valve body with different sizes or models can be adapted by replacing at least part of the parts. In addition, the detachable arrangement or detachable connection can be realized by adopting a conventional arrangement, such as bolt connection, plug connection or clamping connection.
Optionally, the clamping mechanism 5 further comprises: an elbow clip 54, the elbow clip 54 being used to fix the slide base 52 in the first position or the second position; a drag chain 56 provided to the work bench 1 and/or the press pin mechanism 3; an air pipe is arranged in the drag chain 56 and is used for connecting the pneumatic clamp 53 with the air source 20.
In specific implementation, the first position and the second position are respectively provided with a fixing block 55, and the fixing block 55 is provided with a fixing hole matched with the elbow clamp 54; when the sliding base 52 drives the bottom valve body to move to the first position or the second position, the sliding base 52 is fixed to the phase position by the cooperation of the elbow clamp 54 arranged on the sliding base 52 and the corresponding fixing block 55, so that the sliding base 52 and the bottom valve body are reliably fixed to the corresponding positions.
The drag chain 56 may be arranged side by side with the guide rail body, and an air pipe connecting the air source 20 and the air jig 53 may be arranged in the drag chain 56 to drag and protect the air pipe, ensuring that the air jig 53 can work normally.
Additionally, the gun controller may be electrically connected directly or indirectly to the pneumatic clamp 53, and when the gun controller determines that the torque applied to the base valve bolt 812 reaches a preset torque value, a release signal may be generated for triggering the pneumatic clamp 53 to release the base valve body. The pneumatic fixture 53 is provided with an electric control valve, which can be disposed between the pneumatic fixture 53 and the air source 20, and is used for controlling the pneumatic fixture 53 to clamp or release the bottom valve body by controlling the flowing condition of the air.
In one possible implementation manner, as shown in fig. 1 and 4, the assembling device further includes: and an inner cylinder 82 press-fitting mechanism 9 for pressing the assembled bottom valve 81 into the inner cylinder 82. The inner cylinder 82 press-fitting mechanism 9 can be arranged side by side with the press pin mechanism 3 and the screw driving mechanism 7, so that a worker does not need to replace the site or take and place tools, time is further saved, and efficiency is improved.
The inner cylinder 82 press-fitting mechanism 9 includes: a bearing seat mounted to the work bench 1; the pressure cylinder 92 is arranged at the upper end of the bearing seat, and the output end of the pressure cylinder 92 is provided with a detachable pressure head 93 which is used for applying pressure to the bottom valve 81 under the driving action of the pressure cylinder 92; and a fixing seat 95 mounted to the carrier 91 for fixing the inner cylinder 82.
The bearing seat can be C-shaped. The bearing seat comprises a first installation part, a second installation part and an intermediate connection part for connecting the first installation part and the second installation part. The first installation part and the second installation part can be respectively connected to the top end and the bottom end of the intermediate connection part. The booster cylinder 92 is mounted to the first mounting portion at the top end. The fixing base 95 is mounted on the second mounting portion of the bottom end. A ram 93 mounted to the output end of the pressurizing cylinder 92 may be disposed opposite to the fixing base 95.
For example, the carrying seat may include two parallel and opposite vertical plates, and the two vertical plates may be C-shaped. The top and the bottom of two risers can be provided with the connecting plate respectively, and the connecting plate is used for connecting two risers. The pressurizing cylinder 92 may be fixed to a connection plate of an upper portion of the mount. Specifically, the pressure cylinder 92 may be mounted on the upper surface of the connecting plate; the connecting plate is provided with corresponding avoidance holes, for example, the avoidance holes for extending the piston rod are arranged. The booster cylinder 92 has an output end which may be formed by the free end of the piston rod of the booster cylinder 92. The output end may be fitted with a pressure head 93 so that the pressure head 93 can press the bottom valve 81 by the driving force provided by the pressure increasing cylinder 92.
Wherein the ram 93 may be mounted directly to the free end of the piston rod. Or the pressure head 93 is arranged at the free end of the piston rod through a floating joint; the floating joint is used to alleviate or even avoid problems such as low eccentricity or parallelism accuracy between the free end of the piston rod and the ram 93. In specific implementation, the floating joint can be connected with the free end of the piston rod in a welding or interference fit connection mode; or the floating joint can be connected with the free end of the piston rod in a detachable connection mode and the like so as to be convenient for replacing the floating joint.
In some examples, ram 93 is removably mounted to pressure cylinder 92. The ram 93 is removably attached to the free end of the piston rod when the ram 93 is directly mounted to the free end of the piston rod. When the ram 93 is mounted to the floating joint, the ram 93 is removably mounted to the floating joint. So, when carrying out the pressure equipment to the bottom valve 81 of equidimension or model not, but the pressure head 93 of quick replacement looks adaptation to do benefit to the frequency of use that improves pressure equipment, do benefit to reduce cost.
Take the example of the removable connection of the ram 93 to the floating joint: the floating joint is provided with a threaded hole, the upper end of the pressure head 93 is provided with a stud, and the pressure head 93 and the floating joint are detachably connected through the matching of the stud and the threaded hole. Wherein the screw at the upper end thereof is the same size for different rams 93 to be able to mate with the same floating joint.
The press fitting equipment still includes: a second guide rail 911 and a guide connecting plate; a second guide rail 911 is provided on the carriage 91, and the second guide rail 911 extends in a vertical direction, that is, the second guide rail 911 extends in the moving direction of the ram 93. The guide connecting plate is connected with the pressure head 93; the guide connecting plate is in sliding fit with the second guide rail 911, and the guide connecting plate is used for driving the pressing head 93 to move along the extending direction of the second guide rail 911 so as to ensure that the pressing head 93 can accurately press the to-be-pressed part. In a particular implementation, the guide connection plate may be connected to the floating joint.
The fixing seat 95 has a receiving hole, and the receiving hole can be matched with the outer diameter of the inner cylinder 82. In this way, when the inner cylinder 82 needs to be positioned, the inner cylinder 82 can be inserted into the receiving hole of the fixing base 95.
The fixing seat 95 may include a mounting plate and a main seat body, and the main seat body is provided with a receiving hole adapted to the inner cylinder 82; the diapire of main seat body is connected with the mounting panel, and the mounting panel is connected with the mount pad that bears frame 91. The mounting plate is fixed on the bearing seat, for example, the mounting plate can be connected or screwed with the bearing seat. The main housing body can have a length to ensure reliable positioning and righting of the inner barrel 82.
The main base body can be detachably connected with the mounting plate, such as clamping, splicing or screwing. Therefore, when parts with different sizes or types are assembled, the main base body which is matched with the parts to be pressed can be quickly selected according to the size or model of the parts to be pressed, so that the use frequency of the pressing equipment is favorably improved, and the cost is favorably reduced. In specific implementation, the press-fitting equipment is provided with a plurality of main seat bodies with different sizes or different models, the accommodating holes of the main seat bodies with different sizes or different models are different in size, and the main seat body with a certain size or model is matched with the inner cylinder 82 with a corresponding size or model; the pre-configured main seat body can be placed at the first supporting plate 12 of the bearing frame 91, so that the operator can pick up the main seat body in time.
The lower surface of the bottom wall of the main seat body is provided with a positioning hole, and the mounting plate is provided with a positioning pin 811 matched with the positioning hole; the main seat body is fixed to the mounting plate by the cooperation of the positioning pin 811 and the positioning hole, so as to prevent the main seat body from moving transversely or longitudinally relative to the mounting plate. The main seat body is provided with at least two positioning holes, so that the main seat body is prevented from rotating relative to the mounting plate. The number of the positioning pins 811 is adapted to the number of the positioning holes.
Or the mounting plate is provided with a threaded hole, the bottom wall of the main seat body is provided with a through hole, and the through hole penetrates through the through hole of the main seat body through a screw and is matched with the threaded hole of the mounting plate, so that the main seat body is fixed to the mounting plate. Wherein, the quantity of through-hole is at least two, and the quantity and the through-hole looks adaptation of screw hole and screw.
Optionally, a notch is formed in the side wall of the main seat body, and the notch can be arranged in a penetrating manner from top to bottom or can extend for a preset length from top to bottom. Thus, a certain tolerance can be provided for the inner cylinder 82 and the main seat body, and the requirement on the precision of the inner cylinder 82 and the main seat body is reduced. Further, the upper end of the main housing accommodating hole is provided with a guide surface for introducing the inner cylinder 82 into the accommodating hole; illustratively, the guide surface tapers inwardly in a top-down direction.
Optionally, the press-fitting mechanism 9 of the inner cylinder 82 further includes a press-fitting detection member for detecting a press-fitting state of the member to be press-fitted. The pressing-in state of the to-be-pressed part can comprise press-fitting completion and press-fitting incompletion.
In some examples, the press-fitting detection member includes a displacement sensor 94, the displacement sensor 94 being configured to detect a displacement amount of the ram 93; when the displacement amount detected by the displacement sensor 94 reaches the displacement threshold value, it is determined that press fitting is completed. Wherein, the displacement threshold value can be set according to actual needs. The displacement sensor 94 can be arranged on the carriage 91, for example on a rail, although the displacement sensor 94 can also be arranged at other positions, and in particular can be arranged according to actual needs.
Optionally, the press-fitting detection piece further comprises a pressure sensor; the pressure sensor is used to detect the pressure applied by the ram 93 to the member to be pressed. And when the pressure detected by the pressure sensor reaches a pressure threshold value or a preset range and the displacement detected by the displacement sensor 94 reaches a displacement threshold value, determining that the press mounting is finished. The pressure sensor may be arranged between the ram 93 and the floating joint or between the floating joint and the free end of the piston rod.
Optionally, the organizing device is further provided with a display module. The display module is used for displaying the detection result of at least one sensor so as to be convenient for operators to know in time.
The assembly equipment further comprises an electric cabinet 18, and a control part and a corresponding protection circuit can be arranged in the electric cabinet 18. The control member may be electrically connected to each sensor, and the control member is configured to determine that the corresponding operation is completed when a result detected by the sensor satisfies a preset condition.
Taking a press fitting detection piece as an example: the control member is used for determining that the press fitting is completed when the pressure detected by the pressure sensor reaches a pressure threshold value or a preset range and the displacement detected by the displacement sensor 94 reaches a displacement threshold value. And after the control part determines that the press fitting is finished, a prompt signal can be generated. The prompt signal generated by the control part is used for triggering the display screen to send out a visual prompt, or triggering the indicator lamp 16 for indicating the press-fitting state to light corresponding colors, or triggering the audio player to send out corresponding sound prompts. In addition, the prompt signal of the control member may also be used to trigger the driving mechanism to stop providing the pressing force for the pressing head 93, and to trigger the driving mechanism to drive the pressing head 93 to move upward to the initial position.
As shown in fig. 1, in order to improve convenience during operation by a worker, the work bench 1 includes a frame body 11, a first support plate 12, a second support plate 13, and a third support plate 14. The first supporting plate 12 is disposed at the bottom end of the frame body 11, the first supporting plate 12 has a first accommodating area 121 and a second accommodating area 122, and the first accommodating area 121 is used for bearing the air source 20; the second receiving area 122 is for receiving a removable quick-change piece. The second receiving area 122 can be used for receiving at least one of a detachable portion of the pneumatic jig 53 in the press-pin mechanism 3, a detachable press head 93 in the press-fitting mechanism 9 of the inner cylinder 82, and the like, wherein different kinds correspond to different sizes or types of assembly components.
The second supporting plate 13 is connected to the frame body 11 and positioned above the first supporting plate 12, and the middle part of the second supporting plate 13 is provided with an inner cylinder 82 press-fitting mechanism 9; wherein, one side of the inner cylinder 82 press-fitting mechanism 9 is provided with a press pin mechanism 3 and a screw striking mechanism 7, and the other side of the inner cylinder 82 press-fitting mechanism 9 is provided with a material box component 19. The magazine assembly 19 can be used to house materials required in the assembly process, such as spring washers, flanging washers, etc. The magazine assembly 19 has a plurality of magazines distributed substantially in a matrix. Each magazine is used for accommodating the same type of materials with the same size and the same model.
The third support plate 14 is connected to the frame body 11 or the second support plate 13, the third support plate 14 is located above the second support plate 13, and the third support plate 14 is used for installing the press pin mechanism 3 and the clamping mechanism 5. Illustratively, the third support plate 14 is connected to the second support plate 13 by a plurality of posts.
The assembly device also comprises an illumination lamp 17. The illuminating lamp 17 is arranged on the front side of the upper end of the working rack 1; an indicator light 16 is arranged on one side of the illuminating lamp 17; the electric cabinet 18 is positioned above the material box assembly 19, and the electric cabinet 18 is positioned at the rear side of the illuminating lamp 17; the electric control box 18 can be used for being electrically connected with a gun controller of the screwing mechanism 7, a displacement sensor 94 of the inner cylinder 82 press-fitting mechanism 9, a prompting device and the illuminating lamp 17. The indicator light 16 can be used for indicating the working state of the press-fitting structure of the pin pressing mechanism 3, the screw driving mechanism 7 or the inner cylinder 82.
The front side of the second supporting table is provided with a baffle 15 extending upwards, the baffle 15 is provided with a control switch, at least part of the control switch is electrically connected with an electric cabinet 18, and the control switch is used for controlling the working states of starting or stopping of a corresponding mechanism and the like. In a specific implementation, a button box 151 may be disposed at the front side of the baffle 15, and the button box 151 is provided with at least one control switch; control switches in the same button box 151. In addition, the assembly equipment is also provided with a main switch, and the main switch is used for controlling the on-off of the assembly equipment and a power supply.
With the assembly device provided by the embodiment, the operation process can be as follows:
placing the bottom valve body into a clamping tool, and moving the clamping tool to a first position;
a positioning pin 811 is arranged in a positioning hole of the bottom valve body, and the positioning pin 811 is righted by hand;
pulling the wrench rod of the wrench pressing machine 31 to completely press the positioning pin 811 into the positioning hole of the bottom valve body;
moving the clamping tool, namely the bottom valve 81 pressed with the positioning pin 811, to the second position; and to ensure that the screw tightening gun 74 does not interfere with the operation of the foot valve 81, e.g., by staggering the screw tightening gun 74 from the foot valve 81,
and sequentially installing a seat spring gasket and a folding gasket on the bottom valve 81, wherein the number of the pickup spring gasket and the folding gasket is not specifically limited, and the number can be specifically set according to actual needs. Exemplarily, can realize through automatic extracting equipment to ensure the accuracy of material taking amount, further do benefit to and shorten the consuming time.
The bottom valve bolts 812 are prevented to the assembly station, manually assembled in the correct number and order, and manually screwed into the valve body in advance;
the screw measuring gun 74 is adjusted in place, and a torque threshold is set;
the control screw tightening gun 74 tightens the base valve bolt 812, and the green light of the indicator light 16 is turned on after the torque reaches the torque threshold;
the clamping mechanism 5 releases the bottom valve 81;
taking the inner cylinder 82 and placing the inner cylinder into the fixed seat 95, and assembling a conical spring, a triangular gasket, a positioning ring and a bottom valve 81 after placing a magnetic block at the bottom of the inner cylinder 82;
the control inner cylinder 82 press-fitting mechanism 9 presses the bottom valve 81 into the inner cylinder 82.
Of course, the operation process of the assembling apparatus provided by this embodiment is not limited to this, and this embodiment is only illustrated here.
In addition, the assembly equipment provided by this embodiment may be a part of a shock absorber assembly line, and the shock absorber assembly line is further provided with a conveying system, where the conveying system is used to connect the assembly equipment with other equipment of the assembly line, and the conveying system is used to convey bearing pieces such as bearing trays for bearing or positioning components to be assembled to the assembly stations corresponding to the equipment, so as to improve the automation degree of the shock absorber assembly line. The conveying system can be an annular conveying structure; in particular, a belt drive or a chain drive can be used. Wherein the supporting member can adopt different structures in different devices.
In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "lateral", "longitudinal", "inner", "outer", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, are used only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically connected, electrically connected or can communicate with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.

Claims (13)

1. An assembly apparatus for assembling a base valve, comprising:
a working bench;
the pin pressing mechanism is mounted to the working rack and used for pressing the positioning pin into the positioning hole of the valve body of the bottom valve;
the screw driving mechanism is mounted to the working rack and used for screwing a bottom valve bolt which is placed in a bolt hole of the bottom valve in advance;
and the clamping mechanism is slidably arranged on the workbench and used for fixing the bottom valve body and driving the bottom valve body to slide to be opposite to the pin pressing mechanism or to be opposite to the screw driving mechanism.
2. The assembly apparatus according to claim 1, wherein the press pin mechanism includes:
the hand-operated press comprises a machine body, a driving piece arranged on the upper part of the machine body, a pressing block arranged on the output end of the driving piece and a supporting table arranged on the lower part of the machine body; the driving piece is used for driving the pressing block to press down the positioning pin.
3. The assembly apparatus of claim 1, wherein the screw driving mechanism comprises:
the longitudinal moving beam is arranged on the working rack in a longitudinally slidable manner;
the guide profile is arranged on the longitudinal moving beam;
the screw tightening gun is arranged on the guide profile in a sliding manner along the vertical direction and is used for tightening a bottom valve bolt which is pre-placed in a bolt hole of the bottom valve;
and the electric gun controller is electrically connected with the screw tightening gun and is used for controlling the working state of the screw tightening gun.
4. The assembly device according to claim 3, characterized in that the guide profile is connected with the trailing beam by means of a linear bearing;
the assembling apparatus further includes: and the balance crane is arranged on the longitudinally moving beam or the guide profile and is used for being connected with the screw tightening gun.
5. The assembly apparatus of claim 3, further comprising an indicator light;
the electric gun controller is used for generating a first prompt signal when the torque applied to the bottom valve bolt by the screw tightening gun reaches a preset torque value, and the first prompt signal is used for triggering the indicator lamp to light a first color; or, the electric gun controller is used for generating a second prompt signal when the torque applied to the bottom valve bolt by the screw tightening gun is smaller than the preset torque value, and the second prompt signal is used for triggering the indicator lamp to light a second color different from the first color.
6. The assembly apparatus of claim 1, wherein the clamping mechanism comprises:
the first guide rail is arranged on the working rack and/or the press pin mechanism;
the sliding base is arranged on the first guide rail in a transverse sliding manner;
a pneumatic clamp mounted to the sliding base; the pneumatic clamp is at least partially detachably arranged and is used for clamping the bottom valve body;
when the sliding base drives the bottom valve body to move to the first position, the positioning pin preassembled on the bottom valve body is opposite to the pressing block of the pin pressing mechanism; when the sliding base drives the bottom valve body to move to the second position, a bottom valve bolt preassembled to the bottom valve body is opposite to a screw tightening gun of the screw driving mechanism.
7. The assembly apparatus of claim 6, wherein the clamping mechanism further comprises:
the elbow clip is used for fixing the sliding base at a first position or a second position;
the drag chain is arranged on the working rack and/or the press pin mechanism; an air pipe is arranged in the drag chain and used for connecting the pneumatic clamp with an air source.
8. The assembly apparatus according to any one of claims 1 to 5, further comprising:
and the inner cylinder press-fitting mechanism is used for pressing the assembled bottom valve into the inner cylinder.
9. The assembly apparatus of claim 8, wherein the inner barrel press fitting mechanism comprises:
a bearing seat mounted to the work bench;
the pressure cylinder is arranged at the upper end of the bearing seat, a detachable pressure head is arranged at the output end of the pressure cylinder, and the pressure cylinder is used for applying pressure to the bottom valve under the driving action of the pressure cylinder;
and the fixing seat is mounted on the bearing frame and used for fixing the inner barrel.
10. The assembly apparatus according to claim 8, wherein the inner cylinder press-fitting mechanism further includes a displacement sensor for detecting a displacement amount of the ram;
bear the seat and be provided with the second guide rail, vertical extension is followed to the second guide rail, the pressure head is connected with the direction connecting plate, the direction connecting plate with second guide rail sliding fit.
11. The assembling apparatus according to claim 8, wherein the work stage includes a frame main body, a first support plate, a second support plate, and a third support plate;
the first supporting plate is arranged at the bottom end of the frame main body and is provided with a first containing area and a second containing area, and the first containing area is used for bearing an air source; the second accommodating area is used for accommodating the detachable quick-change piece;
the second supporting plate is connected to the frame main body and positioned above the first supporting plate, and the middle part of the second supporting plate is provided with the inner cylinder press-fitting mechanism; the inner cylinder press-fitting mechanism is provided with a press pin mechanism and a screw striking mechanism on one side, and a material box assembly on the other side;
the third supporting plate is connected to the frame body or the second supporting plate, is located above the second supporting plate, and is used for installing the pin pressing mechanism and the clamping mechanism.
12. The assembly apparatus of claim 11, further comprising an illumination lamp and an electric cabinet;
the illuminating lamp is arranged on the front side of the upper end of the working rack; one side of the illuminating lamp is provided with an indicating lamp;
the electric cabinet is positioned above the material box assembly and is positioned at the rear side of the illuminating lamp; the electric cabinet can be used for being electrically connected with a gun controller of the screw driving mechanism, a displacement sensor of the inner cylinder press-fitting mechanism, a prompting device and a lighting lamp.
13. The assembly apparatus according to claim 12, wherein the front side of the second support platform is provided with an upwardly extending baffle, the baffle being mounted with control switches, at least some of the control switches being electrically connected to the electrical control box, the control switches being adapted to control activation or deactivation of the respective mechanism.
CN202010810379.8A 2020-08-13 2020-08-13 Assembling equipment Active CN112025290B (en)

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