CN111085738B - Special tapping clamp for automobile steering gear box shell - Google Patents

Special tapping clamp for automobile steering gear box shell Download PDF

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Publication number
CN111085738B
CN111085738B CN201911364003.2A CN201911364003A CN111085738B CN 111085738 B CN111085738 B CN 111085738B CN 201911364003 A CN201911364003 A CN 201911364003A CN 111085738 B CN111085738 B CN 111085738B
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fixedly connected
wall
electric telescopic
arc
plate
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CN111085738A (en
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寻伟基
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Tongling Yixin Machinery Manufacturing Co ltd
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Tongling Yixin Machinery Manufacturing Co ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23GTHREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
    • B23G1/00Thread cutting; Automatic machines specially designed therefor
    • B23G1/44Equipment or accessories specially designed for machines or devices for thread cutting
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23GTHREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
    • B23G1/00Thread cutting; Automatic machines specially designed therefor
    • B23G1/16Thread cutting; Automatic machines specially designed therefor in holes of workpieces by taps

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jigs For Machine Tools (AREA)

Abstract

The invention belongs to the technical field of clamps, and particularly relates to a special clamp for tapping of an automobile steering gear box shell; comprises a left baffle, a right baffle, a bottom plate and a rear baffle; a controller is fixedly arranged in the inner wall of the left baffle; first electric telescopic rods which are uniformly arranged are fixedly arranged on the outer surface of the controller; the top of each first electric telescopic rod is fixedly connected with a second electric telescopic rod; the right end face of each second electric telescopic rod is fixedly connected with a manipulator; a third sliding groove is formed in the inner wall of the right baffle; the invention is mainly used for solving the problem that the clamp used by some automobile steering gear housing in the existing market is clamped in the process of clamping the steering gear housing for machining, so that the workpiece or a cutter is damaged due to the fact that the workpiece is clamped insecurely, and meanwhile, because the steering gear housing is various in size and thickness, different clamps are required to be replaced when steering gear housings of different specifications are machined, so that the machining efficiency is reduced.

Description

Special tapping clamp for automobile steering gear box shell
Technical Field
The invention belongs to the technical field of clamps, and particularly relates to a special clamp for tapping of an automobile steering gear box shell.
Background
The machine is also called a fixture, which is used to fix the object to be processed to make it occupy the correct position for receiving construction or detection. In a broad sense, any device used to quickly, conveniently and safely mount a workpiece at any stage in a process may be referred to as a jig. Such as welding jigs, inspection jigs, assembly jigs, machine tool jigs, and the like. Among them, the machine tool clamp is the most common, and is often referred to as a clamp for short. In order to make the surface of a workpiece meet the technical requirements of size, geometric shape, mutual position precision with other surfaces and the like specified in the drawing during the machining of an engine bearing bush cover, the workpiece needs to be assembled (positioned) and clamped (clamped) before machining, and a clamp generally comprises a positioning element (determining the correct position of the workpiece in the clamp), a clamping device, a tool setting guide element (determining the relative position of a tool and the workpiece or guiding the direction of the tool), an indexing device (enabling the workpiece to finish machining of a plurality of stations in one-time installation, including a rotary indexing device and a linear movement indexing device), a connecting element, a clamp body (a clamp base) and the like.
However, some automobile steering gear housing in the market at present are often clamped in the process of clamping the steering gear housing for machining, sometimes the problem that workpieces or cutters are damaged due to the fact that the clamping of the workpieces is not firm is caused, and meanwhile due to the fact that the steering gear housing is various in size, thickness and variety, different clamps are required to be replaced when steering gear housings of different specifications are machined, and machining efficiency is reduced.
Disclosure of Invention
In order to make up for the defects of the prior art, the invention provides a special tapping clamp for automobile steering gear box shells, which is mainly used for solving the problem that workpieces or cutters are damaged due to the fact that clamps used in some automobile steering gear box shells in the existing market during tapping are clamped in the process of clamping the steering gear box shells, and meanwhile, due to the fact that the steering gear box shells are various in size and thickness, different clamps are required to be replaced when the steering gear box shells of different specifications are machined, so that the machining efficiency is reduced.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a special tapping clamp for an automobile steering gear box shell, which comprises a left baffle, a right baffle, a bottom plate and a rear baffle; the upper surface of the bottom plate is fixedly provided with a left baffle, a right baffle and a rear baffle; a controller is fixedly arranged in the inner wall of the left baffle and is electrically connected with the CNC through a lead; first sliding chutes which are uniformly distributed are formed in the inner wall of the left baffle on the outer surface of the controller; the outer surface of the controller is fixedly provided with first electric telescopic rods which are uniformly arranged, and the first electric telescopic rods are arranged in the first sliding grooves; one end of each first electric telescopic rod, which is far away from the controller, is provided with second sliding chutes which are uniformly distributed and communicated with the first sliding chutes; the top of each first electric telescopic rod is fixedly connected with a second electric telescopic rod, and the second electric telescopic rods are connected with a second sliding chute in a sliding manner; the right end face of each second electric telescopic rod is fixedly connected with a manipulator, and the manipulators extend out of the left baffle plate; a third sliding groove is formed in the inner wall of the right baffle; an air cylinder is fixedly connected in the third sliding groove; the end face of the cylinder telescopic shaft is fixedly connected with a first round rod, and the first round rod is attached to the third sliding groove and partially extends out of the right baffle plate; a first circular plate is fixedly connected to the outer surface of the first circular rod at the left side of the right baffle; an annular groove is formed in the inner wall of the first circular plate and designed to surround the first circular plate; an annular plate is connected to the inner wall of the annular groove in a sliding manner; a first air bag is fixedly connected in the annular groove on the right side of the annular plate; a circular groove is formed in the inner wall of the first circular rod; the circular groove is fixedly connected with a second air bag which is communicated with the first air bag through an air passage; the opposite sides of the second air bags are fixedly connected with second round rods which are uniformly arranged, and the second round rods can extend out of the first round rod; when the tapping machine works, when tapping treatment is started to be carried out on a workpiece, the workpiece is firstly placed between the left baffle and the right baffle, the controller controls the first electric telescopic rods to outwards expand and extend in the first sliding grooves, in the process that the first electric telescopic rods outwards expand and extend, the second electric telescopic rods are pushed to slide and slide towards the tops of the second sliding grooves in the second sliding grooves, when the first electric telescopic rods expand and extend to a certain degree, the expansion and extension are stopped, the controller controls the second electric telescopic rods to outwards expand and extend, meanwhile, the second electric telescopic rods drive the mechanical arms to outwards extend, when the distance extending out of the mechanical arms exceeds the thickness of edges and corners of the workpiece, the second electric telescopic rods stop expanding and extending, the controller controls the first electric telescopic rods to slowly contract, in the process that the first electric telescopic rods slowly contract, when the mechanical arms move to the end faces of the four edges and corners of the workpiece, the first electric telescopic rods stop contracting downwards, meanwhile, the controller controls the second electric telescopic rod to contract inwards, in the process of contracting inwards, the manipulator drives the workpiece to be attached to the surface of the left baffle plate, after the end face of the workpiece is completely attached to the left baffle plate, the second electric telescopic rod stops contracting, in the process, the workpiece can be preliminarily fixed on the left baffle plate through the manipulator, when the workpiece is fixed on the surface of the left baffle plate, the cylinder in the inner wall of the right baffle plate pushes the first round rod in the third chute to move towards one side of the workpiece, when the first round rod extends into the through hole of the workpiece and continues to move, at the moment, the end, extending out of the workpiece, extends into the annular groove in the inner wall of the first round plate and extrudes the annular plate in the annular groove, meanwhile, the annular plate extrudes the first air bag rightwards, when the first air bag is extruded, the air in the first air bag flows into the second air bag in the round groove through the air passage, and the second air bag expands outwards under the, in the process of expanding the second air bag, the second round rods which are uniformly arranged are extruded, the second round rods are extruded by the extrusion force and extend outwards, and the through holes in the workpiece are uniformly extruded, so that the workpiece is further fixed.
Preferably, a motor is fixedly installed in the inner wall of the controller, and a driving shaft of the motor extends out of the controller; a second circular plate is rotatably connected in the inner wall of the left baffle plate at the right side of the motor and is fixedly connected with a driving shaft of the motor; arc-shaped grooves which are uniformly distributed are formed in the inner wall of the second circular plate, and the arc-shaped grooves penetrate through the second circular plate; an arc-shaped block is connected in each arc-shaped groove in a sliding manner; the top of each arc-shaped block is fixedly connected with an arc-shaped plate through a joint rod, and the arc-shaped plates extend out of the left baffle plate; the during operation, after work piece terminal surface and left baffle are laminated completely, the controller control motor slowly rotates this moment, at motor pivoted in-process, the drive shaft of motor drives the second plectane and rotates, at second plectane pivoted in-process, the second plectane is also followed to the arc wall and is rotated, the arc piece also slides in the arc wall simultaneously, because the arc piece top has all linked firmly the arc through the festival pole, at the gliding in-process of arc piece, the arc outwards expands, motor stall when the arc is laminated with work piece through-hole internal diameter, in this engineering, fixed work piece that can step forward through the outwards expansion of arc, prevent that the work piece from taking place to rock at the in-process of tapping, thereby influence the course of working of work piece.
Preferably, the outer surface of each arc-shaped plate is fixedly connected with a rubber layer, and the surface of the rubber layer is in a rough design; the during operation, because every arc surface all has linked firmly the rubber layer, when the arc outwards expands and stretches and pastes with the work piece inner wall, can prevent that the extrusion force of arc from too big messenger's work piece aperture from taking place deformation, thereby damage the work piece, can also protect the arc simultaneously and not receive the damage, thereby improve the life of arc, because the rubber layer surface is coarse design, when the rubber layer pastes with the work piece aperture, can increase the frictional force of arc and work piece, thereby improve the anchorage of work piece, can also prevent simultaneously that the roughness on rubber layer from leading to the fact the damage to the work piece aperture.
Preferably, a fourth chute is arranged in the inner wall of the bottom plate; the middle position of the fourth chute is fixedly connected with a fixed block, and both sides of the fixed block are connected with a fourth sliding block in the fourth chute in a sliding manner; the fourth sliding blocks on the left side are fixedly connected with the left baffle through the joint plates; the fourth sliding block on the right side is fixedly connected with the right baffle plate through a joint plate; the inner walls of the two fourth sliding blocks are respectively and rotatably connected with a first lead screw through threads, and the first lead screws are respectively and rotatably connected with a rotating shaft in the inner wall of the fixed block; during operation, when the work piece length of processing is short, because all be connected with first lead screw through the screw thread rotation in the fourth slider inner wall, rotate the first lead screw of bottom plate both sides through using the spanner, at first lead screw pivoted in-process, can drive the fourth slider in the fourth spout and remove, because the fourth slider all links firmly with right baffle through the yoke with left baffle, at the gliding in-process of fourth slider, can drive both sides baffle and be close to each other, thereby reduce the distance between left baffle and the right baffle, thereby can the shorter work piece of clamping, at this in-process, can realize the change of making a round trip of length work piece, thereby prevent still need to change other anchor clamps when changing the work piece, not only waste time and energy, machining efficiency has still been reduced.
Preferably, a second lead screw is rotatably connected to the inner wall of the fixed block through a rotating shaft, and the second lead screw is perpendicular to the first lead screw; the second lead screw extends to the outer surface of the bottom plate, and the other end of the second lead screw is rotatably connected with the rear baffle; the during operation, when the great work piece of diameter needs to be processed, because the swivelling joint has the second lead screw in the fixed block inner wall, and the other end and the backplate of second lead screw rotate and are connected, rotate the second lead screw through using the spanner, at second lead screw pivoted in-process, can make backplate round trip movement, thereby reach the clamping distance of adjusting the backplate, thereby can change the diameter enlarged work piece, at this in-process, can practice thrift the time of changing anchor clamps and using, thereby improve the machining efficiency of work piece, through mutually supporting with first lead screw, can realize that the clamping length is different, the work piece of thickness difference.
Preferably, the upper surface of the bottom plate is fixedly connected with a supporting plate through uniformly arranged springs; the during operation, when the thinner work piece of clamping, because the bottom plate upper surface has linked firmly the layer board through the spring of evenly arranging, can prop up thinner work piece to the thinner work piece of more convenient clamping, thereby prevent that thinner work piece from being in unsettled state after the clamping is accomplished, thereby prevent to form the potential safety hazard, when the layer board upwards extrudees the work piece, propose the fastening degree of reinforcing clamping work piece, thereby improve the factor of safety that the work piece was processed man-hour.
The invention has the following beneficial effects:
1. according to the invention, the arc plates are arranged, the arc plates are fixedly connected to the tops of the arc blocks through the joint rods, the arc plates are expanded outwards in the sliding process of the arc blocks, the motor stops rotating when the arc plates are attached to the inner diameter of the through hole of the workpiece, in the process, the workpiece can be further fixed through the outward expansion of the arc plates, the workpiece is prevented from shaking in the tapping process, and therefore the processing process of the workpiece is influenced.
2. According to the invention, the first lead screws are arranged, the inner walls of the fourth sliding blocks are respectively connected with the first lead screws through threads in a rotating manner, the first lead screws on the two sides of the bottom plate are rotated by using a wrench, the fourth sliding blocks in the fourth sliding grooves can be driven to move in the rotating process of the first lead screws, and the fourth sliding blocks are fixedly connected with the left baffle and the right baffle through the node plates, so that the baffles can be driven to mutually approach in the sliding process of the fourth sliding blocks, the distance between the left baffle and the right baffle is reduced, and therefore, a shorter workpiece can be clamped.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a front view of the present invention;
FIG. 2 is a front view of the invention in cooperation;
FIG. 3 is a cross-sectional view of the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 3 at A;
FIG. 5 is an enlarged view of a portion of FIG. 3 at B;
FIG. 6 is an enlarged view of a portion of FIG. 3 at C;
FIG. 7 is a cross-sectional view of an arcuate plate of the present invention;
in the figure: the device comprises a left baffle 1, a controller 11, a first chute 12, a first electric telescopic rod 13, a second chute 14, a second electric telescopic rod 15, a manipulator 16, a motor 17, a second circular plate 18, an arc-shaped groove 19, an arc-shaped block 191, an arc-shaped plate 192, a rubber layer 193, a right baffle 2, a third chute 21, a cylinder 22, a first round rod 23, a first circular plate 24, an annular groove 25, an annular plate 26, a first air bag 27, a round groove 28, a second air bag 29, a second round rod 291, a bottom plate 3, a fourth chute 31, a fixed block 32, a fourth sliding block 33, a first lead screw 34, a second lead screw 35, a supporting plate 36 and a rear baffle 4.
Detailed Description
A tapping jig for a steering gear box of an automobile according to an embodiment of the present invention will be described below with reference to fig. 1 to 7.
As shown in fig. 1-7, the special tapping clamp for the automobile steering gear box shell comprises a left baffle plate 1, a right baffle plate 2, a bottom plate 3 and a rear baffle plate 4; the upper surface of the bottom plate 3 is fixedly provided with a left baffle 1, a right baffle 2 and a rear baffle 4; a controller 11 is fixedly arranged in the inner wall of the left baffle 1, and the controller 11 is electrically connected with the CNC through a lead; the outer surface of the controller 11 is provided with first sliding chutes 12 which are uniformly distributed in the inner wall of the left baffle plate 1; the outer surface of the controller 11 is fixedly provided with first electric telescopic rods 13 which are uniformly arranged, and the first electric telescopic rods 13 are arranged in the first sliding chute 12; one end of each first electric telescopic rod 13, which is far away from the controller 11, is provided with second sliding grooves 14 which are uniformly distributed, and the second sliding grooves 14 are communicated with the first sliding grooves 12; the top of each first electric telescopic rod 13 is fixedly connected with a second electric telescopic rod 15, and each second electric telescopic rod 15 is connected with a second sliding chute 14 in a sliding manner; the right end face of each second electric telescopic rod 15 is fixedly connected with a manipulator 16, and the manipulators 16 extend out of the left baffle 1; a third sliding groove 21 is formed in the inner wall of the right baffle 2; an air cylinder 22 is fixedly connected in the third sliding chute 21; the end surface of the telescopic shaft of the cylinder 22 is fixedly connected with a first round rod 23, and the first round rod 23 is attached to the third sliding chute 21 and partially extends out of the right baffle 2; a first circular plate 24 is fixedly connected to the outer surface of the first circular rod 23 at the left side of the right baffle 2; an annular groove 25 is formed in the inner wall of the first circular plate 24, and the annular groove 25 is designed to surround the first circular plate 24; an annular plate 26 is connected in the inner wall of the annular groove 25 in a sliding manner; a first air bag 27 is fixedly connected in the annular groove 25 at the right side of the annular plate 26; a circular groove 28 is formed in the inner wall of the first circular rod 23; the circular groove 28 is fixedly connected with a second air bag 29, and the second air bag 29 is communicated with the first air bag 27 through an air passage; the opposite side of the second air bag 29 is fixedly connected with second round rods 291 which are uniformly arranged, and the second round rods 291 can extend out of the first round rods 23; when the tapping machine works, when a workpiece is tapped, the workpiece is firstly placed between the left baffle plate 1 and the right baffle plate 2, the controller 11 controls the first electric telescopic rod 13 to extend outwards in the first chute 12, in the process that the first electric telescopic rod 13 extends outwards, the second electric telescopic rod 15 is pushed to slide towards the top of the second chute 14 in the second chute 14, the extension is stopped after the first electric telescopic rod 13 extends to a certain extent, the controller 11 controls the second electric telescopic rod 15 to extend outwards at the same time, the second electric telescopic rod 15 drives the manipulator 16 to extend outwards, when the distance extending out of the manipulator 16 exceeds the thickness of the edges and corners of the workpiece, the second electric telescopic rod 15 stops extending, the controller 11 controls the first electric telescopic rod 13 to slowly shrink, in the process that the first electric telescopic rod 13 drives the manipulator 16 to slowly shrink, when the manipulator 16 moves to the end faces of the four edges and corners of the workpiece, the first electric telescopic rod 13 stops shrinking downwards, meanwhile, the controller 11 controls the second electric telescopic rod 15 to shrink inwards, in the process that the second electric telescopic rod 15 shrinks inwards, the manipulator 16 drives the workpiece to be attached to the surface of the left baffle plate 1, when the end surface of the workpiece is completely attached to the left baffle plate 1, the second electric telescopic rod 15 stops shrinking, in the process, the workpiece can be preliminarily fixed on the left baffle plate 1 through the manipulator 16, when the workpiece is fixed on the surface of the left baffle plate 1, the cylinder 22 in the inner wall of the right baffle plate 2 pushes the first round rod 23 in the third sliding chute 21 to move towards one side of the workpiece, when the first round rod 23 extends into the through hole of the workpiece and continues moving, at the moment, the extending end of the workpiece extends into the annular groove 25 in the inner wall of the first round plate 24 and extrudes the annular plate 26 in the annular groove 25, and simultaneously, the annular plate 26 extrudes the first air bag 27 towards the right, and when the first air, the gas in the first air bag 27 flows into the second air bag 29 in the circular groove 28 through the air passage, the second air bag 29 expands outwards under the pressure of the gas, the second round rods 291 which are uniformly arranged are extruded in the expansion process of the second air bag 29, the second round rods 291 extend outwards under the extrusion force and uniformly extrude through holes in the workpiece, and therefore the workpiece is further fixed.
As an embodiment of the invention, a motor 17 is fixedly installed in the inner wall of the controller 11, and the driving shaft of the motor 17 extends out of the controller 11; a second circular plate 18 is rotatably connected to the right side of the motor 17 in the inner wall of the left baffle plate 1 and is fixedly connected with a driving shaft of the motor 17; arc-shaped grooves 19 which are uniformly distributed are formed in the inner wall of the second circular plate 18, and the arc-shaped grooves 19 are designed to penetrate through the second circular plate 18; an arc-shaped block 191 is connected in each arc-shaped groove 19 in a sliding manner; the top of each arc-shaped block 191 is fixedly connected with an arc-shaped plate 192 through a joint rod, and the arc-shaped plate 192 extends out of the left baffle 1; the during operation, after the work piece terminal surface is laminated with left baffle 1 completely, 11 control motor 17 slowly rotated of controller this moment, in motor 17 pivoted in-process, motor 17's drive shaft drives second plectane 18 and rotates, in second plectane 18 pivoted in-process, second plectane 18 is also followed to arc groove 19 and is rotated, arc piece 191 also slides in arc groove 19 simultaneously, because arc piece 191 top all links firmly arc 192 through the knot pole, at the gliding in-process of arc piece 191, the outside expansion of arc 192, motor 17 stall when arc 192 and the laminating of work piece through-hole internal diameter, in this engineering, fixed work piece that can further be gone forward through the outside expansion of arc 192, prevent that the work piece from taking place to rock at the in-process of tapping, thereby influence the course of working.
As an embodiment of the present invention, a rubber layer 193 is fixedly connected to an outer surface of each of the arc-shaped plates 192, and a surface of the rubber layer 193 is of a rough design; the during operation, because every arc 192 surface all has linked firmly rubber layer 193, outwards expand to stretch and when laminating with the work piece inner wall at arc 192, can prevent that the too big work piece aperture that makes of extrusion force of arc 192 from taking place deformation, thereby damage the work piece, can also protect arc 192 not receive the damage simultaneously, thereby improve the life of arc 192, because rubber layer 193 surface is coarse design, when rubber layer 193 and work piece aperture laminate, can increase the frictional force of arc 192 and work piece, thereby improve the tautness of work piece, can also prevent simultaneously that the roughness of rubber layer 193 from leading to the fact the damage in the face of work piece aperture.
As an embodiment of the present invention, a fourth sliding groove 31 is opened in the inner wall of the bottom plate 3; a fixed block 32 is fixedly connected to the middle of the fourth sliding chute 31, and fourth sliding blocks 33 are slidably connected to two sides of the fixed block 32 in the fourth sliding chute 31; the fourth sliding blocks 33 on the left side are fixedly connected with the left baffle plate 1 through the joint plates; the fourth sliding block 33 on the right side is fixedly connected with the right baffle 2 through a joint plate; the inner walls of the two fourth sliding blocks 33 are respectively and rotatably connected with a first lead screw 34 through threads, and the first lead screws 34 are respectively and rotatably connected with a rotating shaft in the inner wall of the fixed block 32; during operation, when the work piece length of processing is shorter, because all be connected with first lead screw 34 through the screw rotation in the fourth slider 33 inner wall, rotate the first lead screw 34 of bottom plate 3 both sides through using the spanner, at first lead screw 34 pivoted in-process, can drive fourth slider 33 in the fourth spout 31 and remove, because fourth slider 33 all links firmly with left baffle 1 and right baffle 2 through the yoke plate, at the gliding in-process of fourth slider 33, can drive both sides baffle and be close to each other, thereby reduce the distance between left baffle 1 and the right baffle 2, thereby can the shorter work piece of clamping, at this in-process, can realize the change of making a round trip of length work piece, thereby prevent still need to change other anchor clamps when changing the work piece, not only waste time and energy, machining efficiency has still been reduced.
As an embodiment of the present invention, a second lead screw 35 is rotatably connected to an inner wall of the fixing block 32 through a rotating shaft, and the second lead screw 35 is perpendicular to the first lead screw 34; the second lead screw 35 extends to the outer surface of the bottom plate 3, and the other end of the second lead screw 35 is rotatably connected with the rear baffle plate 4; the during operation, when the great work piece of diameter needs to be processed, because it is connected with second lead screw 35 to rotate in the fixed block 32 inner wall, and the other end and the backplate 4 of second lead screw 35 rotate and are connected, rotate second lead screw 35 through using the spanner, at second lead screw 35 pivoted in-process, can make backplate 4 round trip movement, thereby reach the clamping distance of adjusting backplate 4, thereby can change the enlarged work piece of diameter, at this in-process, can practice thrift the time of changing anchor clamps and using, thereby improve the machining efficiency of work piece, through mutually supporting with first lead screw 34, can realize that the clamping length is different, the work piece of thickness difference.
As an embodiment of the present invention, the upper surface of the bottom plate 3 is fixedly connected with a supporting plate 36 through uniformly arranged springs; the during operation, when the thin work piece of clamping, because bottom plate 3 upper surface has linked firmly layer board 36 through the spring of evenly arranging, can prop up thin work piece to the thin work piece of more convenient clamping, thereby prevent that thin work piece from being in unsettled state after the clamping is accomplished, thereby prevent to form the potential safety hazard, when layer board 36 upwards extrudees the work piece, propose the fastening degree of reinforcing clamping work piece, thereby improve the factor of safety that the work piece was processed man-hour.
The specific working process is as follows:
when the tapping machine works, when a workpiece is tapped, the workpiece is firstly placed between the left baffle plate 1 and the right baffle plate 2, the controller 11 controls the first electric telescopic rod 13 to extend outwards in the first chute 12, in the process that the first electric telescopic rod 13 extends outwards, the second electric telescopic rod 15 is pushed to slide towards the top of the second chute 14 in the second chute 14, the extension is stopped after the first electric telescopic rod 13 extends to a certain extent, the controller 11 controls the second electric telescopic rod 15 to extend outwards at the same time, the second electric telescopic rod 15 drives the manipulator 16 to extend outwards, when the distance extending out of the manipulator 16 exceeds the thickness of the edges and corners of the workpiece, the second electric telescopic rod 15 stops extending, the controller 11 controls the first electric telescopic rod 13 to slowly shrink, in the process that the first electric telescopic rod 13 drives the manipulator 16 to slowly shrink, when the manipulator 16 moves to the end faces of the four edges and corners of the workpiece, the first electric telescopic rod 13 stops shrinking downwards, meanwhile, the controller 11 controls the second electric telescopic rod 15 to shrink inwards, in the process that the second electric telescopic rod 15 shrinks inwards, the manipulator 16 drives the workpiece to be attached to the surface of the left baffle plate 1, when the end surface of the workpiece is completely attached to the left baffle plate 1, the second electric telescopic rod 15 stops shrinking, in the process, the workpiece can be preliminarily fixed on the left baffle plate 1 through the manipulator 16, when the workpiece is fixed on the surface of the left baffle plate 1, the cylinder 22 in the inner wall of the right baffle plate 2 pushes the first round rod 23 in the third sliding chute 21 to move towards one side of the workpiece, when the first round rod 23 extends into the through hole of the workpiece and continues moving, at the moment, the extending end of the workpiece extends into the annular groove 25 in the inner wall of the first round plate 24 and extrudes the annular plate 26 in the annular groove 25, and simultaneously, the annular plate 26 extrudes the first air bag 27 towards the right, and when the first air, the gas in the first air bag 27 flows into the second air bag 29 in the circular groove 28 through the air passage, the second air bag 29 expands outwards under the pressure of the gas, and in the process of expanding the second air bag 29, the second circular rods 291 which are uniformly arranged are extruded, the second circular rods 291 are extruded outwards by extrusion force, and through holes in the workpiece are uniformly extruded, so that the workpiece is further fixed.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1. The utility model provides a car steering gear casing tapping special fixture which characterized in that: comprises a left baffle (1), a right baffle (2), a bottom plate (3) and a rear baffle (4); the upper surface of the bottom plate (3) is fixedly provided with a left baffle (1), a right baffle (2) and a rear baffle (4); a controller (11) is fixedly arranged in the inner wall of the left baffle (1), and the controller (11) is electrically connected with the CNC through a lead; first sliding grooves (12) which are uniformly distributed are formed in the inner wall of the left baffle (1) on the outer surface of the controller (11); first electric telescopic rods (13) which are uniformly arranged are fixedly installed on the outer surface of the controller (11), and the first electric telescopic rods (13) are arranged in the first sliding grooves (12); one end, far away from the controller (11), of each first electric telescopic rod (13) is provided with second sliding grooves (14) which are uniformly distributed, and the second sliding grooves (14) are communicated with the first sliding grooves (12); the top of each first electric telescopic rod (13) is fixedly connected with a second electric telescopic rod (15), and each second electric telescopic rod (15) is connected with a second sliding chute (14) in a sliding manner; the right end face of each second electric telescopic rod (15) is fixedly connected with a manipulator (16), and the manipulators (16) extend out of the left baffle (1); a third sliding groove (21) is formed in the inner wall of the right baffle (2); an air cylinder (22) is fixedly connected in the third sliding chute (21); the end face of the telescopic shaft of the air cylinder (22) is fixedly connected with a first round rod (23), and the first round rod (23) is attached to the third sliding chute (21) and partially extends out of the right baffle (2); a first circular plate (24) is fixedly connected to the outer surface of the first circular rod (23) at the left side of the right baffle (2); an annular groove (25) is formed in the inner wall of the first circular plate (24), and the annular groove (25) is designed to surround the first circular plate (24); an annular plate (26) is connected in the inner wall of the annular groove (25) in a sliding manner; a first air bag (27) is fixedly connected in the annular groove (25) at the right side of the annular plate (26); a circular groove (28) is arranged in the inner wall of the first circular rod (23); a second air bag (29) is fixedly connected in the circular groove (28), and the second air bag (29) is communicated with the first air bag (27) through an air passage; the second airbag (29) is fixedly connected with second round rods (291) which are uniformly arranged on the opposite side, and the second round rods (291) can extend out of the first round rods (23).
2. The special tapping clamp for the automobile steering gear box shell according to claim 1, wherein: a motor (17) is fixedly arranged in the inner wall of the controller (11), and a driving shaft of the motor (17) extends out of the controller (11); a second circular plate (18) is rotatably connected in the inner wall of the left baffle plate (1) at the right side of the motor (17) and is fixedly connected with a driving shaft of the motor (17); arc-shaped grooves (19) which are uniformly distributed are formed in the inner wall of the second circular plate (18), and the arc-shaped grooves (19) are designed to penetrate through the second circular plate (18); an arc-shaped block (191) is connected in each arc-shaped groove (19) in a sliding manner; every arc piece (191) top all is linked firmly arc (192) through the festival pole, and arc (192) all stretch out left baffle (1) design.
3. The special tapping clamp for the automobile steering gear box shell according to claim 2, wherein: the outer surface of each arc-shaped plate (192) is fixedly connected with a rubber layer (193), and the surface of the rubber layer (193) is in a rough design.
4. The special tapping clamp for the automobile steering gear box shell according to claim 1, wherein: a fourth sliding chute (31) is arranged in the inner wall of the bottom plate (3); a fixed block (32) is fixedly connected to the middle of the fourth sliding chute (31), and fourth sliding blocks (33) are connected to two sides of the fixed block (32) in the fourth sliding chute (31) in a sliding manner; the fourth sliding blocks (33) on the left side are fixedly connected with the left baffle (1) through the joint plates; the fourth sliding block (33) on the right side is fixedly connected with the right baffle (2) through a joint plate; two all be connected with first lead screw (34) through screw thread rotation in fourth slider (33) inner wall, and first lead screw (34) all with the pivot rotation connection in fixed block (32) inner wall.
5. The special tapping clamp for the automobile steering gear box shell according to claim 4, wherein: a second lead screw (35) is rotatably connected to the inner wall of the fixing block (32) through a rotating shaft, and the second lead screw (35) is perpendicular to the first lead screw (34); the second lead screw (35) extends to the outer surface of the bottom plate (3), and the other end of the second lead screw (35) is rotatably connected with the rear baffle (4).
6. The special tapping clamp for the automobile steering gear box shell according to claim 1, wherein: the upper surface of the bottom plate (3) is fixedly connected with a supporting plate (36) through uniformly arranged springs.
CN201911364003.2A 2019-12-26 2019-12-26 Special tapping clamp for automobile steering gear box shell Active CN111085738B (en)

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CN201911364003.2A CN111085738B (en) 2019-12-26 2019-12-26 Special tapping clamp for automobile steering gear box shell

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CN201911364003.2A CN111085738B (en) 2019-12-26 2019-12-26 Special tapping clamp for automobile steering gear box shell

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