CN211490591U

CN211490591U - Clamp for broaching steel plate pin

Info

Publication number: CN211490591U
Application number: CN201922060908.2U
Authority: CN
Inventors: 林绿高
Original assignee: Zhejiang Chr Intelligent Equipment Co ltd
Current assignee: Zhejiang Chr Intelligent Equipment Co ltd
Priority date: 2019-11-25
Filing date: 2019-11-25
Publication date: 2020-09-15
Anticipated expiration: 2029-11-25

Abstract

The utility model relates to an anchor clamps for steel sheet round pin broaching, include: a base; the clamping seat comprises a lower seat body and an upper seat body; the fixing seat is provided with a longitudinal sliding chute at the top and a vertical sliding chute communicated with the longitudinal sliding chute at the front; the first sliding block is arranged in the vertical sliding groove of the fixed seat in a sliding manner and is connected with the upper seat body of the clamping seat so as to drive the upper seat body to move downwards and press the steel plate pin on the lower seat body, and a first inclined plane is arranged on the top wall of the first sliding block; the second sliding block is arranged in the longitudinal sliding groove of the fixed seat in a sliding manner, and the first sliding block is driven to move downwards through a second inclined surface which is correspondingly arranged at the bottom of the second sliding block and can be attached to the first inclined surface of the first sliding block; the action end of the first driving mechanism is connected with the second sliding block so as to drive the second sliding block to reciprocate back and forth along the longitudinal sliding groove; and a reset mechanism. The clamp can avoid interference on the broaching tool and can ensure effective clamping of the steel plate pin workpiece.

Description

Clamp for broaching steel plate pin

Technical Field

The utility model relates to a steel sheet round pin broaching technical field especially relates to an anchor clamps that is used for steel sheet round pin broaching.

Background

Steel plate pins are a common part of the chassis of a motor vehicle and are usually rod-shaped. The steel plate pin is used for connecting the steel plate spring assembly and the plate spring support, is arranged on the fixing support, the lifting lug end support and the lifting lug assembly, and is an indispensable part of vehicle composition for improving the stability and firmness of the vehicle.

As shown in fig. 1-4, the steel plate pin product mainly has two structures, which are a straight oil groove type or an annular oil groove type, and the two steel plate pin workpieces are integrally cylindrical, wherein the side wall of the straight oil groove type steel plate pin workpiece is provided with a straight oil groove in a long strip shape and arc grooves (also called R grooves) located on both sides of the straight oil groove in the length direction, the two sides of the end portion of the steel plate pin are further symmetrically provided with two step portions (also called flat sides), the side wall of the annular oil groove type steel plate pin workpiece is provided with an annular oil groove and arc grooves (also called R grooves) located on both axial sides of the annular oil groove, and the end portion of the annular oil groove type steel plate pin is also provided with a pair of step portions (also called flat.

In recent years, a steel plate pin processing line combining a broaching technology and a high-speed drilling technology has appeared for processing a steel plate pin, wherein the broaching processing is mainly performed on two arc grooves (and straight oil grooves) and two step portions of the steel plate pin. However, the existing clamp for broaching the steel plate pin has certain defects, particularly the process of broaching the side wall of the steel plate pin to form the arc groove, in order to facilitate loading and unloading of the steel plate pin, generally, the side wall of the steel plate pin is broached in the vertical direction, and when the clamp is arranged, the situation of abdicating the broach in the vertical direction needs to be considered so as to avoid interference on the movement of the broach, in this case, a relatively long moment exists between the pressing point of the pressing block of the conventional jig and the driving shaft of the cylinder, so that the conventional jig cannot provide a sufficient pressing force, the steel plate pin is a cylinder, so the steel plate pin is easy to rotate under the condition that the side wall is subjected to cutting force, the rejection rate of the machining broaching is high, how to provide a clamp which can avoid interference of a broach and can effectively clamp a steel plate pin workpiece is a technical problem to be solved urgently by the technical field.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem to provide a can avoid forming the interference and can carry out the anchor clamps that are used for steel plate round pin broaching of effective clamp tightly to steel plate round pin work piece to the broach to prior art's current situation.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: a clamp for broaching steel plate pins comprises:

a base;

the clamping seat comprises a lower seat body arranged on the base and an upper seat body capable of moving up and down relative to the lower seat body;

the fixing seat is arranged on the base, a longitudinal sliding groove is formed in the top of the fixing seat, and a vertical sliding groove communicated with the longitudinal sliding groove is formed in the front of the fixing seat;

the first sliding block is arranged in the vertical sliding groove of the fixed seat in a sliding manner, is connected with the upper seat body of the clamping seat to drive the upper seat body to move downwards so as to press the steel plate pin on the lower seat body, and is also provided with a first inclined surface on the top wall;

the second sliding block is arranged in the longitudinal sliding groove of the fixed seat in a sliding manner, and the first sliding block is driven to move downwards through a second inclined surface which is correspondingly arranged at the bottom of the second sliding block and can be attached to the first inclined surface of the first sliding block;

the action end of the first driving mechanism is connected with the second sliding block so as to drive the second sliding block to reciprocate back and forth along the longitudinal sliding groove;

and the resetting mechanism is used for driving the upper seat body to reset upwards and loosening the steel plate pin correspondingly placed on the lower seat body.

In order to enable the first sliding block to move up and down more stably, a pair of guide blocks which are oppositely arranged and are vertically arranged are arranged on the side wall of the vertical sliding groove, and a pair of guide grooves matched with the guide blocks are correspondingly arranged on the first sliding block.

As an improvement, the first driving mechanism is an oil cylinder connected to the base.

In order to facilitate the sliding of the steel plate pin and the effective clamping and positioning of the steel plate pin, the lower seat body is provided with a first V-shaped groove with an upward opening, the upper seat body is provided with a second V-shaped groove with a downward opening, and the second V-shaped groove can be buckled with the first V-shaped groove to form a positioning groove matched with the steel plate pin.

In order to facilitate loading and unloading in the broaching process of the steel plate pin, the first V-shaped groove is a through groove which penetrates through the lower seat body in the horizontal direction, and a pushing mechanism which is used for pushing the steel plate pin to be machined to the first V-shaped groove of the lower seat body and pushing the machined steel plate pin away from the first V-shaped groove of the lower seat body is further arranged on one side, adjacent to the clamping seat, of the base.

As an improvement, the pushing device comprises a supporting seat with a strip-shaped sliding groove and a second driving mechanism used for pushing the steel plate pin to slide along the strip-shaped sliding groove, and the extending direction of the strip-shaped sliding groove is consistent with the extending direction of the first V-shaped groove and is sequentially jointed with the first V-shaped groove along the length direction. The second driving mechanism can be selected from the prior art such as an air cylinder, an oil cylinder or a motor.

In order to enable the steel plate pin to be accurately positioned at the preset position of the clamping seat in the feeding process so as to improve the broaching precision of the circular arc groove of the steel plate pin, a material blocking assembly used for limiting the steel plate pin at the corresponding preset position on the first V-shaped groove is further arranged on the fixed seat.

Above-mentioned steel sheet round pin is placed in the first V type groove of pressing from both sides tight seat, because the restriction of first V type groove structure itself, keeps off the material subassembly and should not adopt the fender piece form of horizontal direction motion, stretches first V type inslot with the steel sheet round pin effectively to end the position in order to realize keeping off the material subassembly oblique top position of pressing from both sides tight seat to the withdrawal is put after the location is accomplished, releases the steel sheet round pin, it includes to keep off the material subassembly: the third sliding block is arranged in a second longitudinal sliding groove correspondingly formed in the side wall of the fixed seat in a sliding mode; the action end of the third driving mechanism is connected with the third sliding block so as to drive the third sliding block to reciprocate along the second longitudinal sliding groove; the first shifting block is vertically and swingably arranged in a movable groove correspondingly formed in the side wall of the fixed seat and comprises a first support arm and a second support arm, the first support arm and the second support arm are arranged at an angle, and the free end of the first support arm is movably connected with a first clamping groove correspondingly formed in the third sliding block; and the fourth sliding block is arranged in a third sliding groove which is correspondingly formed in the side wall of the fixed seat and is obliquely arranged from top to bottom, a first end of the fourth sliding block is provided with a second clamping groove for clamping the free end of the second support arm of the first shifting block, and a second end of the fourth sliding block can shift to a corresponding position on the first V-shaped groove to stop the steel plate pin.

In order to ensure that the clamping seat is timely loosened after the steel plate pin is subjected to broaching processing, so that the first driving mechanism pushes the steel plate pin away from the clamping seat, and further the broaching efficiency is improved, the resetting mechanism can be linked with the second slide block and can lift the upper seat body upwards in the backward moving process of the second slide block.

In order to facilitate the reasonable arrangement of the reset mechanism in the fixed seat, the whole clamp is more compact, a containing groove is arranged on the fixed seat corresponding to the combination position of the bottom surface of the longitudinal sliding groove and the bottom surface of the vertical sliding groove, the reset mechanism comprises a second shifting block arranged in the containing groove, the middle part of the second shifting block is rotationally connected with two opposite side walls of the containing groove through a rotating shaft, the second shifting block also comprises a first swing arm and a second swing arm, the first swing arm and the second swing arm are arranged in an angle, a third clamping groove for clamping the free end of the first swing arm is arranged on the bottom wall of the first sliding block, the bottom wall of the second sliding block is provided with a abdicating groove along the sliding direction of the second sliding block for the free end of the second swing arm to extend into, the inner wall of the abdicating groove forms a driving part which can drive the second shifting block to rotate in the resetting process of the second sliding block. It is conceivable that the reset mechanism may be driven by a link transmission, a gear transmission, or other prior art.

Compared with the prior art, the utility model has the advantages that: the utility model provides an anchor clamps for steel plate round pin broaching can be through the first vertical spout horizontal movement on the first actuating mechanism drive second slider edge fixing base, wherein, when the second slider moves along first vertical spout, the first slider of second slider accessible second inclined plane and the first inclined plane cooperation drive of first slider moves down along vertical spout, the horizontal movement who is about to the second slider turns into the vertical motion of first slider, and then the last pedestal that drives the tight seat of clamp compresses tightly the steel plate round pin under on the pedestal. Because the effect end of first actuating mechanism is reciprocating motion in the horizontal direction, therefore can not form the interference to the action process of the broach of broaching machine, and the second slider passes through inclined plane sliding fit's structure setting with first slider and can effectively stably convert the effort of first actuating mechanism in the horizontal direction into the second slider and presss from both sides the upper seat body of tight seat and in the tenesmic force of vertical direction, the centre gripping of anchor clamps to the steel sheet round pin of this kind of drive mode is more firm, make the steel sheet round pin can not take place to deflect bearing the broaching force, the production of waste product has been reduced, effectively improved broaching efficiency. In addition, after the broaching of the steel plate pin is finished, the reset mechanism can drive the upper seat body of the clamping seat to reset upwards to loosen the steel plate pin correspondingly placed on the lower seat body, so that the blanking operation of the steel plate pin is greatly facilitated, and the broaching efficiency is improved.

Drawings

FIG. 1 is a schematic perspective view of an annular oil groove type steel plate pin;

FIG. 2 is a top view of an annular oil groove steel plate pin;

FIG. 3 is a schematic perspective view of a straight oil groove type steel plate pin;

FIG. 4 is a top view of a straight oil groove type steel plate pin;

fig. 5 is a schematic perspective view of an embodiment of the present invention;

fig. 6 is a top view of an embodiment of the present invention;

FIG. 7 is a cross-sectional view taken along line A-A of FIG. 6 (with the clamping shoe in a clamped state);

FIG. 8 is a cross-sectional view taken along line A-A of FIG. 6 (with the clamping shoe in an unclamped state);

fig. 9 is a schematic perspective view of a side angle of the fixing base according to an embodiment of the present invention;

FIG. 10 is a partial exploded view of FIG. 9;

fig. 11 is a schematic structural view of a material blocking assembly according to an embodiment of the present invention;

FIG. 12 is a schematic view of the stopper assembly of the embodiment of the present invention assembled on the fixing base;

FIG. 13 is a cross-sectional view taken at B-B of FIG. 6;

fig. 14 is a schematic perspective view of a fixing base according to an embodiment of the present invention;

fig. 15 is a schematic perspective view of another angle of the fixing base according to the embodiment of the present invention;

fig. 16 is a schematic perspective view of a first slider according to an embodiment of the present invention;

fig. 17 is a schematic perspective view of a second slider according to an embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

Referring to fig. 1-4, the steel plate pin 100 mainly has two structures, which are a straight oil groove type or an annular oil groove type, and the two steel plate pin workpieces 100 are both cylindrical as a whole, wherein an annular oil groove and arc grooves 101 (also called R grooves) located at two axial sides of the annular oil groove are provided on a side wall of the steel plate pin 100a workpiece of the annular oil groove type, and a pair of step portions 103 are also provided at an end portion of the steel plate pin of the annular oil groove type, as shown in fig. 1 and 2. The side wall of the steel plate pin workpiece 100b of the straight oil groove type is provided with a long-strip-shaped straight oil groove 102 and arc grooves 101 (also called R grooves) located at both sides of the straight oil groove 102 in the length direction, and both sides of the end of the steel plate pin are further provided with two symmetrically arranged step portions 103 (also called flat sides), which are shown in fig. 3 and 4 in detail.

To the broaching process of circular arc groove 101 of steel sheet pin 100, for the convenient unloading of steel sheet pin, the steel sheet pin needs the level to be placed, then carries out the broaching through corresponding broaching machine to the lateral wall of steel sheet pin in vertical direction, therefore need consider the condition of stepping down to the broach in the up-and-down direction when setting up steel sheet pin anchor clamps to avoid forming the interference to the removal of broach. Under the condition, the steel plate pin clamp is not suitable for a common clamp which adopts a driving shaft to drive a pressing block to move in the vertical direction, because a relatively long moment exists between a pressing point of the pressing block of the common clamp and the driving shaft of an oil cylinder, the common clamp cannot provide enough pressing force, and the steel plate pin is a cylinder, so that the steel plate pin is easy to rotate under the condition that the side wall is subjected to cutting force, and the rejection rate of machining and broaching is high.

Referring to fig. 5 to 17, the clamping apparatus in this embodiment includes a base 10, a clamping seat 20, a fixing seat 30, a first sliding block 41, a second sliding block 42, a first driving mechanism 43, and a resetting mechanism. The clamping seat 20 includes a lower seat body 22 disposed on the base 10 and an upper seat body 21 capable of moving up and down relative to the lower seat body 22, a first V-shaped groove 210 with an upward opening is disposed at the top of the lower seat body 22, a second V-shaped groove 220 with a downward opening is disposed at the bottom of the lower seat body 22, and the first V-shaped groove 210 of the upper seat body 21 and the second V-shaped groove 220 of the lower seat body 22 are fastened to form a positioning groove matching with the shape of the steel plate pin. When the steel plate pin 100 is placed in the positioning groove, the side wall of the steel plate pin may slightly expose out of the outer surface of the clamping seat 20, so that the broaching tool of the broaching machine can broach the side wall of the steel plate pin to form the circular groove 101 structure.

Referring to fig. 7 and 8, the fixing base 30 is disposed on the base 10, and specifically includes a fixing base body 300, a first cover plate 302 connected to a top position of the fixing base body 300, and a second cover plate 301 connected to a front position of the fixing base body 300. The top of the fixing base body 300 is provided with a first longitudinal sliding groove 31, the second sliding block 42 is slidably disposed in the first longitudinal sliding groove 31, and the first cover plate 302 can cover the first longitudinal sliding groove 31 to limit the second sliding block 42 in the up-down direction. The front position of the fixing seat body 300 is provided with a vertical sliding groove 32, the first sliding block 41 is arranged in the vertical sliding groove 32 in a sliding manner, and the second cover plate 301 can cover the vertical sliding groove 32 so as to limit the first sliding block 41 in the front-rear direction.

With continued reference to fig. 7 and 8, the first driving mechanism 43 is an oil cylinder, which is disposed at the rear portion of the fixing base 30, and the acting end of the oil cylinder is connected to the rear end of the second sliding block 42 to drive the second sliding block 42 to reciprocate back and forth along the first longitudinal sliding slot 31. The front end of the second slider 42 is in a wedge structure, and specifically, the front part of the bottom wall of the second slider 42 is provided with a second inclined surface 420, and the second inclined surface 420 is arranged obliquely upward along the front-rear direction of the second slider 42.

The first sliding block 41 is disposed in the first longitudinal sliding slot 31 of the front portion of the fixed seat 30, the front portion of the first sliding block 41 is connected to the upper seat body 21 of the clamping seat 20, and a first inclined plane 410 capable of being attached to a second inclined plane 420 of the second sliding block 42 is disposed on a top wall of the first sliding block 41, wherein when the second sliding block 42 moves forward along the first longitudinal sliding slot 31, the second sliding block 42 can drive the first sliding block 41 to move downward along the vertical sliding slot 32 by matching the second inclined plane 420 and the first inclined plane 410 of the first sliding block 41, that is, the horizontal movement of the second sliding block 42 is converted into the vertical movement of the first sliding block 41. Because the output shaft of the oil cylinder reciprocates in the horizontal direction, interference on the action process of a broach of the broaching machine is avoided, and the structure arrangement which can be in sliding fit with the first slide block 41 through the inclined surface can effectively and stably convert the acting force of the oil cylinder in the horizontal direction into the downward pressure of the second slide block 42 and the upper seat body 21 in the vertical direction, so that the clamping seat 20 can clamp the steel plate pin more firmly, and the steel plate pin 100 cannot deflect when bearing the broaching force.

Referring to fig. 10 and 17, in order to improve the stability of the up-and-down movement of the first sliding block 41, a pair of guide blocks 33 which are oppositely arranged and vertically arranged are provided on the side wall of the vertical sliding slot of the fixed seat 30, the guide blocks 33 are in a long strip shape, and correspondingly, a pair of guide grooves 411 which are matched with the guide blocks 33 are correspondingly provided on the first sliding block 41. In this embodiment, the lower position of the front portion of the first sliding block 41 further has a notch 413, wherein the upper seat body 21 of the clamping seat 20 can be accommodated in the notch 413 of the first sliding block 41 and fixed on the first sliding block 41 through a bolt to form an integral structure, which can effectively shorten the moment between the clamping point of the clamping seat 20 and the stressed point of the first sliding block 41, and improve the firmness of the clamping seat 20 to the steel plate pin.

The reset mechanism can be linked with the second slide block 42 and act in the reset process of the second slide block 42 to lift the upper seat body 21 upwards to be separated from the lower seat body 22. That is, the reset mechanism can timely release the clamping seat 20 after the steel plate pin is subjected to broaching processing, so that the first driving mechanism 43 can push the steel plate pin away from the lower seat body 22 of the clamping seat 20, and the broaching efficiency is improved.

With continued reference to fig. 7 and 8, the reset mechanism includes a second shifting block 71, and accordingly, a receiving groove 37 is disposed on the fixed seat 30 corresponding to a position where the bottom surface of the first longitudinal sliding groove 31 is combined with the bottom surface of the vertical sliding groove 32, the second shifting block 71 is received in the receiving groove 37, specifically, the middle portion of the second shifting block 71 is rotatably connected to two opposite side walls of the receiving groove 37 through a rotating shaft. The second shifting block 71 further comprises a first swing arm 711 and a second swing arm 712, the first swing arm 711 and the second swing arm 712 are arranged at an angle, a third clamping groove 412 for clamping the free end of the first swing arm 711 is formed in the bottom wall of the first slider 41, a yielding groove 421 for extending the free end of the second swing arm 712 into is formed in the bottom wall of the second slider 42 along the sliding direction of the second slider 42, and a driving portion 422 capable of driving the first shifting block 71 to rotate in the resetting process of the second slider 42 is formed in the inner wall of the yielding groove 421.

When the second sliding block 42 moves forward along the first longitudinal sliding groove 31 under the driving of the oil cylinder, the second sliding block 42 does not touch the second swing arm 712 of the first shifting block 71 to act because the bottom of the second sliding block 42 is provided with the abdicating groove 421 along the length direction; after the broaching process of the steel plate pin is completed, when the second slider 42 is driven by the cylinder to move backward to a certain position along the first longitudinal sliding slot 31, the inner wall of the abdicating slot 421 at the bottom of the second slider 42 can trigger (press) the second swing arm 712 of the first shifting block 71, so that the first swing arm 711 of the second shifting block 71 swings upward, and at this time, since the second slider 42 moves backward by a certain distance, a certain gap is reserved between the second inclined surface 420 and the first inclined surface 410 of the first slider 41, the first swing arm 711 can drive the first slider 41 to move upward, thereby driving the upper seat body 21 of the clamping seat 20 to move upward, and releasing the steel plate pin workpiece.

Referring to fig. 5, in order to facilitate the steel plate pin workpiece to be subjected to feeding and blanking during the broaching process, the fixture of the embodiment further includes a material pushing device 50 disposed on the base 10, the material pushing device 50 is located on one side of the clamping seat 20, and includes a supporting seat 51 and a second driving mechanism 52, the supporting seat 51 is located on a side portion of the clamping seat 20, wherein a strip-shaped sliding groove 510 is disposed on the supporting seat 51, the second driving mechanism 52 is a cylinder, the cylinder is connected to the base 10 through a first bracket, and a piston rod of the cylinder can push the steel plate pin to slide along the strip-shaped sliding groove 510. Correspondingly, the first V-shaped groove 210 is a through groove that penetrates through the lower seat body 22 in the horizontal direction, the material pushing device 50 is disposed adjacent to one side of the clamping seat 20, and when the material pushing device 50 operates, the material pushing device can push the steel plate pin to be processed onto the first V-shaped groove 210 of the lower seat body 22 and push the processed steel plate pin away from the first V-shaped groove 210 of the lower seat body 22. The extending direction of the first V-shaped groove 210 on the clamping seat 20 in this embodiment is the same as the extending direction of the strip-shaped sliding groove 510. When the steel plate pin 100 needs to be broached, the strip-shaped sliding groove 510 on the supporting seat 51 and the positioning groove of the clamping seat 20 can be sequentially combined in the length direction to form a slideway, and the steel plate pin to be machined can be driven by the second driving mechanism 52 to move to a preset position on the first V-shaped groove 210 along the slideway, so that the feeding of the broaching process of the circular arc groove 101 of the steel plate pin 100 is completed.

In order to enable the steel plate pin to be accurately positioned at the preset position of the clamping seat 20 in the feeding process of the arc groove broaching process, so as to improve the precision of the arc groove broaching of the steel plate pin, the material blocking assembly 60 is further included on one side of the clamping seat 20, and the material blocking assembly is used for limiting the steel plate pin at the corresponding preset position on the first V-shaped groove 210.

Referring to fig. 5 and 10, the striker assembly 60 is disposed at a side position of the fixing base body 300, and is used for stopping and releasing the steel plate pin at a front portion of the moving direction of the steel plate pin. The material blocking assembly 60 comprises a third sliding block 61, a third driving mechanism 64, a first shifting block 71 and a fourth sliding block 63, a second longitudinal sliding groove 34, a movable groove 35 communicated with the front portion of the second longitudinal sliding groove 34 and a third sliding groove 36 are arranged on the side wall of the fixed seat 30, the third sliding block 61 is correspondingly arranged in the second longitudinal sliding groove 34 in a sliding manner, the third driving mechanism 64 is an air cylinder, and a piston rod of the air cylinder is connected with the rear end of the third sliding block 61 and drives the third sliding block 61 to reciprocate along the second longitudinal sliding groove 34. The middle portion of the first shifting block 71 is rotatably connected to the fixing base body 300 through a rotating shaft so as to be disposed in the movable groove 35 in a manner of swinging up and down, specifically, the first shifting block 71 includes a first supporting arm 711 and a second supporting arm 712, the first supporting arm 711 and the second supporting arm 712 are disposed at an angle, and a free end of the first supporting arm 711 is movably connected to the first engaging groove 610 correspondingly disposed on the third sliding block 61. The third sliding groove 36 is also communicated with the movable groove 35 and is obliquely arranged from top to bottom, the fourth sliding block 63 is slidably arranged in the third sliding groove 36, a first end of the fourth sliding block 63 is provided with a second clamping groove 631 into which the free end of the second support arm 712 of the second shifting block 71 is clamped, and a second end of the fourth sliding block 63 can be shifted from above the first V-shaped groove 210 of the lower seat body 22 to a corresponding position on the first V-shaped groove 210 to stop the steel plate pin. In order to facilitate the assembly of the material blocking assembly 60, the second longitudinal sliding groove 34, the movable groove 35 and the third sliding groove 36 are all open structures with openings facing one side, and when the material blocking assembly 60 is assembled on the fixed seat 30, the material blocking assembly 60 can be protected by arranging a sealing cover 38 on the side wall of the fixed seat 30 to cover the notch positions of the grooves. The stopping assembly 60 further includes an auxiliary block 65 fixed at the front portion of the fixing base 30, a limiting slot 650 corresponding to the third sliding slot 36 is disposed on the auxiliary block 65, the limiting slot 650 can allow the fourth sliding block 63 to freely pass through, and can perform a function of stopping and limiting the fourth sliding block 63 in the forward direction of the steel plate pin, as shown in fig. 10 and 11 in detail.

When the steel plate pins are loaded, the third driving mechanism 64 acts to drive the third sliding block 61 to move backwards along the second longitudinal sliding groove 34, the third sliding block 61 can drive the first shifting block 71 to deflect in the backward movement process, then the fourth sliding block 63 is driven to move along the third sliding groove 36 through the second support arm 712 of the first shifting block 71, and after the fourth sliding block 63 moves in place, the second end of the fourth sliding block 63 can be correspondingly positioned at the corresponding position on the first V-shaped groove 210 of the lower seat body 22, so that the steel plate pins are stopped at the front part of the moving direction of the steel plate pins.

After the broaching process is completed, the processed steel plate pin can be pushed away from the first V-shaped groove 210 of the lower seat 22 by the pushing device 50, so as to continue to feed the steel plate pin. Referring to fig. 5 and 6, in order to facilitate blanking of the steel plate pin, a material moving device 80 is further disposed on the base 10, and the material moving device 80 and the material pushing device 50 are respectively located at two sides of the clamping seat 20. Specifically, the material moving device includes a movable seat 81 and a fourth driving mechanism 82, which are disposed on the base 10, wherein a third V-shaped groove 810 is disposed on the movable seat 81, and an extending direction of the third V-shaped groove 810 is the same as an extending direction of the strip-shaped sliding chute 510. The base 10 is provided with a slide rail 11, the movable seat 81 can be slidably disposed on the slide rail 11, the fourth driving mechanism 82 in this embodiment is a cylinder, a piston rod of the cylinder is connected to the movable seat 81, and when the cylinder moves, the cylinder can drive the movable seat 81 to reciprocate between a first waiting position corresponding to the base 10 and a second waiting position corresponding to the second waiting position far away from the clamping seat 20 along the slide rail 11. When the movable seat 81 is located at the first waiting position, the movable seat 81 may be configured to receive the steel plate pin that is withdrawn from the clamping seat 20 by the second driving structure, specifically, when the movable seat 81 is located at the first waiting position, the bar-shaped chute 510 of the supporting seat 51, the first V-shaped groove 210 of the clamping seat 20, and the third V-shaped groove 810 of the movable seat 81 are located on the same straight line and sequentially joined along the length direction, the steel plate pin after broaching may be moved to the third V-shaped groove 810 of the movable seat 81 along the slideway under the driving of the second driving mechanism 52, so as to complete blanking, and then the movable seat 81 drives the steel plate pin workpiece to move to the second waiting position, so as to facilitate the manipulator to perform a broaching process of grabbing and transferring the workpiece or continuously performing a step position of the steel plate pin.

The clamp for broaching the steel plate pin of the embodiment can drive the second slider 42 to horizontally move along the first longitudinal sliding groove 31 on the fixed seat 30 through the first driving mechanism 43, wherein when the second slider 42 moves forward along the first longitudinal sliding groove 31, the second slider 42 can drive the first slider 41 to move downward along the vertical sliding groove 32 through the cooperation of the second inclined surface 420 and the first inclined surface 410 of the first slider 41, that is, the horizontal movement of the second slider 42 is converted into the vertical movement of the first slider 41, and then the upper seat body 21 of the clamping seat 20 is driven to compress the steel plate pin on the lower seat body 22. Because the action end of the first driving mechanism 43 reciprocates in the horizontal direction, interference on the action process of the broaching tool of the broaching machine cannot be caused, and the structure arrangement of the second slide block 42 and the first slide block 41 in sliding fit through the inclined surface can effectively and stably convert the action force of the first driving mechanism 43 in the horizontal direction into the downward pressure of the second slide block 42 and the upper seat body 21 of the clamping seat 20 in the vertical direction.

Claims

1. The utility model provides a anchor clamps for steel sheet round pin broaching which characterized in that includes:

a base (10);

the clamping seat (20) comprises a lower seat body (21) arranged on the base (10) and an upper seat body (22) capable of moving up and down relative to the lower seat body (21);

the fixed seat (30) is arranged on the base (10), a first longitudinal sliding groove (31) is formed in the top of the fixed seat (30), and a vertical sliding groove (32) communicated with the first longitudinal sliding groove (31) is formed in the front of the fixed seat (30);

the first sliding block (41) is arranged in the vertical sliding groove (32) of the fixed seat (30) in a sliding manner, is connected with the upper seat body (22) of the clamping seat (20) to drive the upper seat body (22) to move downwards so as to press the steel plate pin (100) correspondingly placed on the lower seat body (21), and is also provided with a first inclined surface (410) on the top wall of the first sliding block (41);

the second sliding block (42) is arranged in the first longitudinal sliding groove (31) of the fixed seat (30) in a sliding mode, and the first sliding block (41) is driven to move downwards through a second inclined surface (420) which is correspondingly arranged at the bottom of the second sliding block (42) and can be attached to the first inclined surface (410) of the first sliding block (41);

a first driving mechanism (43), the action end of which is connected with the second slide block (42) to drive the second slide block (42) to reciprocate back and forth along the first longitudinal slide groove (31);

and the resetting mechanism is used for driving the upper seat body (22) to reset upwards and loosening the steel plate pin correspondingly placed on the lower seat body (21).

2. The clamp for broaching steel plate pins according to claim 1, wherein: the side wall of the vertical sliding groove (32) is provided with a pair of guide blocks (33) which are oppositely arranged and vertically arranged, and the first sliding block (41) is correspondingly provided with a pair of guide grooves (411) matched with the guide blocks (33).

3. The clamp for broaching steel plate pins according to claim 1, wherein: the first driving mechanism (43) is an oil cylinder connected to the base (10).

4. The clamp for broaching steel plate pins according to claim 1, wherein: lower pedestal (21) are gone up to have opening first V type groove (210) up, go up pedestal (22) and go up second V type groove (220) that have opening down, second V type groove (220) can form the constant head tank with steel sheet round pin assorted with first V type groove (210) looks lock.

5. The clamp for broaching steel plate pins according to claim 4, wherein: the first V-shaped groove (210) is a through groove which penetrates through the lower seat body (21) in the horizontal direction, and a material pushing device (50) which is used for pushing a steel plate pin to be processed to the first V-shaped groove (210) of the lower seat body (21) and pushing the processed steel plate pin away from the first V-shaped groove (210) of the lower seat body (21) is further arranged on one side, adjacent to the clamping seat (20), of the base (10).

6. The clamp for broaching steel plate pins according to claim 5, wherein: the pushing device (50) comprises a supporting seat (51) with a strip-shaped sliding groove (510) and a second driving mechanism (52) used for pushing a steel plate pin to slide along the strip-shaped sliding groove (510), and the extending direction of the strip-shaped sliding groove (510) is consistent with the extending direction of the first V-shaped groove (210) and is sequentially jointed with the first V-shaped groove (210) along the length direction.

7. The clamp for broaching steel plate pins according to claim 6, wherein: the fixed seat (30) is further provided with a material blocking assembly (60) used for limiting the steel plate pin at a corresponding preset position on the first V-shaped groove (210).

8. The clamp for broaching steel plate pins according to claim 7, wherein the striker assembly (60) comprises:

the third sliding block (61) is arranged in the second longitudinal sliding groove (34) correspondingly formed in the side wall of the fixed seat (30) in a sliding mode;

a third driving mechanism (64) with an acting end connected with the third slide block (61) to drive the third slide block (61) to reciprocate along the second longitudinal sliding chute (34);

the first shifting block (62) is vertically and swingably arranged in a movable groove (35) correspondingly formed in the side wall of the fixed seat (30) and comprises a first support arm (621) and a second support arm (622), the first support arm (621) and the second support arm (622) are arranged at an angle, and the free end of the first support arm (621) is movably connected with a first clamping groove (610) correspondingly formed in the third sliding block (61);

the fourth sliding block (63) is arranged in a third sliding groove (36) which is correspondingly formed in the side wall of the fixed seat (30) and is obliquely arranged from top to bottom, a first end of the fourth sliding block (63) is provided with a second clamping groove (631) for clamping the free end of the second support arm (622) of the first shifting block (62), and a second end of the fourth sliding block (63) can be shifted to a corresponding position on the first V-shaped groove (210) to stop the steel plate pin.

9. The clamp for broaching steel plate pins according to any one of claims 1 to 8, wherein: the resetting mechanism can be linked with the second sliding block (42) and can lift the upper seat body (22) upwards in the process that the second sliding block (42) moves backwards.

10. The clamp for broaching steel plate pins according to claim 9, wherein: a containing groove (37) is formed in the fixed seat (30) corresponding to the combination position of the bottom surface of the first longitudinal sliding groove (31) and the bottom surface of the vertical sliding groove (32), the reset mechanism comprises a second shifting block (71) arranged in the containing groove (37), the middle part of the second shifting block (71) is rotatably connected to two opposite side walls of the containing groove (37) through a rotating shaft, the second shifting block (71) further comprises a first swing arm (711) and a second swing arm (712), the first swing arm (711) and the second swing arm (712) are arranged at an angle, a third clamping groove (412) for clamping the free end of the first swing arm (711) is formed in the bottom wall of the first sliding block (41), a yielding groove (421) for stretching the free end of the second swing arm (712) is formed in the bottom wall of the second sliding block (42) along the sliding direction of the second sliding block (42), the inner wall of the abdicating groove (421) forms a driving part (422) which can drive the second shifting block (71) to rotate in the resetting process of the second sliding block (42).