CN218747233U

CN218747233U - Positioning and processing tool for pin shaft

Info

Publication number: CN218747233U
Application number: CN202222851867.0U
Authority: CN
Inventors: 梁季
Original assignee: Liangjiang Suzhou Mechanical Equipment Co ltd
Current assignee: Liangjiang Suzhou Mechanical Equipment Co ltd
Priority date: 2022-10-28
Filing date: 2022-10-28
Publication date: 2023-03-28
Anticipated expiration: 2032-10-28

Abstract

A positioning machining tool for a pin shaft comprises a pin shaft positioning assembly, a first clamping jaw, a second clamping jaw, a rectangular fixing bottom plate, a workbench and a clamping jaw driving device; the pin shaft positioning assembly comprises a lower base, an upper positioning seat, a plurality of connecting studs and a plurality of connecting bolts, wherein the upper positioning seat is arranged on the lower base, the lower end parts of the connecting studs are fixedly arranged on the rectangular fixing bottom plate, the upper end parts of the connecting studs are arranged in the lower base, the connecting bolts are arranged on the upper positioning seat, and the connecting bolts are in threaded connection with the connecting studs. The utility model discloses a location processing frock of round pin axle, the round pin axle locating component of setting can carry out the initial positioning of round pin axle for the round pin axle is in the position between clamping jaw one and the clamping jaw two, and through clamping jaw drive arrangement drive clamping jaw two with the round pin axle clamp tight fix on clamping jaw one, can prevent to sell the axle course of working, the round pin axle slides, causes the processing to have the deviation, thereby has improved the qualification rate of round pin axle processing.

Description

Positioning machining tool for pin shaft

Technical Field

The utility model belongs to the technical field of machinery base member and manufacturing, specifically, relate to a location processing frock of round pin axle.

Background

The pin shaft is a standard fastener, can be statically and fixedly connected, can also move relative to a connected piece, and is mainly used at the hinged position of two parts to form a hinged connection.

In the course of working at the round pin axle, need use the location frock to realize the centre gripping of round pin axle work piece fixedly, but present location frock exists the centre gripping effect not good to the round pin axle location's in-process is generally through the clamping jaw centre gripping round pin axle of annular array, because only carry out the spacing of round pin axle through the clamping jaw, therefore the position of placing of round pin axle does not have certain standard, only put into between the clamping jaw with the one end of round pin axle, through the clamping jaw shrink in-process, adjust the position of round pin axle, thereby push the round pin axle to the center of several clamping jaws, realize the fixed of round pin axle.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the utility model aims at providing a location processing frock of round pin axle has solved the round pin axle location frock among the prior art and has generally only carried out the spacing of round pin axle through the clamping jaw, does not have the problem of round pin axle location structure.

The technical scheme is as follows: the utility model provides a positioning and processing tool for a pin shaft, which comprises a pin shaft positioning assembly, a first clamping jaw, a second clamping jaw, a rectangular fixing bottom plate, a workbench and a clamping jaw driving device, wherein the rectangular fixing bottom plate and the clamping jaw driving device are arranged on the workbench; the pin shaft positioning assembly comprises a lower base, an upper positioning seat, a plurality of connecting studs and a plurality of connecting bolts, wherein the lower base is arranged on a rectangular fixing base plate, the upper positioning seat is arranged on the lower base, the lower end parts of the connecting studs are fixedly arranged on the rectangular fixing base plate, the upper end parts of the connecting studs are arranged in the lower base, the connecting bolts are arranged on the upper positioning seat and are in threaded connection with the connecting bolts. The utility model discloses a location processing frock of round pin axle, the round pin axle locating component of setting can carry out the initial positioning of round pin axle for the round pin axle is in the position between clamping jaw one and the clamping jaw two, and through clamping jaw drive arrangement drive clamping jaw two with the round pin axle clamp tight fix on clamping jaw one, can prevent to sell the axle course of working, the round pin axle slides, causes the processing to have the deviation, thereby has improved the qualification rate of round pin axle processing.

Furthermore, according to the positioning and processing tool for the pin shaft, the rectangular fixing base plate is provided with the plurality of positioning pins, the lower base is provided with the plurality of positioning holes, the plurality of positioning pins and the plurality of positioning holes are arranged in a one-to-one correspondence manner, and the positioning pins are arranged in the positioning holes. Different pin shaft positioning assemblies can be replaced according to the sizes of different pin shaft diameters, and the positions of the lower base can be found through a plurality of positioning pins in the process of replacing the pin shaft positioning assemblies, so that rapid installation is realized.

Furthermore, according to the positioning and processing tool for the pin shaft, the first pin shaft positioning hole is formed in the lower base, the conical positioning hole is formed in the upper positioning base, the first pin shaft positioning hole and the conical positioning hole are arranged concentrically, and the first pin shaft positioning hole is communicated with the conical positioning hole. The conical positioning hole is of a structure with an upper end flaring, and the pin shaft is conveniently placed into the first pin shaft positioning hole.

Furthermore, according to the positioning and processing tool for the pin shaft, the upper positioning seat is provided with the first circular through holes, the first circular through holes and the connecting bolts are arranged in a one-to-one correspondence mode, the inner walls of the first circular through holes are provided with the first annular steps, and the heads of the connecting bolts are in contact with the first annular steps. In the process of locking the connecting bolt, after the connecting bolt is in threaded connection with the connecting stud, the connecting bolt is continuously rotated until the head of the connecting bolt is pressed on the first annular step, so that the lower base and the upper base are positioned and locked together.

Furthermore, according to the positioning processing tool for the pin shaft, the connecting bolt is provided with the internal thread hole, and the connecting stud is in threaded connection with the internal thread hole.

Further, the location processing frock of foretell round pin axle, clamping jaw drive arrangement includes drive assembly, fixed support body, push rod, cam, pivot one, clamping jaw fixed mounting seat and clamping jaw movable mounting seat, drive assembly and push rod are connected, fixed support body is fixed to be set up on the workstation, push rod and pivot one are connected, pivot one sets up on the workstation, the cam cover is established in pivot one, clamping jaw fixed mounting seat and clamping jaw movable mounting seat all set up on rectangle PMKD, clamping jaw movable mounting seat and rectangle PMKD sliding connection to clamping jaw movable mounting seat contacts with the cam, clamping jaw one sets up on clamping jaw fixed mounting seat, clamping jaw two sets up on clamping jaw movable mounting seat. The driving assembly drives the push rod to swing, and the push rod drives the first rotating shaft to rotate, so that the cam connected with the first rotating shaft rotates, different arc-shaped convex parts of the cam are in contact with the clamping jaw movable mounting base, the clamping jaw movable mounting base is pushed to move, the distance between the clamping jaw movable mounting base and the clamping jaw fixed mounting base is changed, and the first clamping jaw and the second clamping jaw clamp the pin shaft.

Further, the location processing frock of foretell round pin axle, be equipped with the guide post on the fixed support body, be connected with guide sleeve one on the clamping jaw movable mounting seat, be connected with the convex part on the clamping jaw fixed mounting seat, the guide post runs through guide sleeve one to the guide post is kept away from the one end and the convex part of fixed support body and is connected, the cover is equipped with the spring on the guide post, the spring is located between convex part and the guide sleeve one. The clamping jaw movable mounting base moves along the guide post, the spring is compressed, and after the cam releases the clamping jaw movable mounting base, the clamping jaw movable mounting base restores to the initial position under the action of the elastic restoring force of the spring, and the clamping jaw I and the clamping jaw II are opened.

Further, the location processing frock of foretell round pin axle, drive assembly includes driving motor, pendulum rod, sector gear, drive gear, connecting rod one and connecting rod two, the one end and the pivot of driving motor of pendulum rod are connected to the other end and the drive gear of pendulum rod are connected, connecting rod one and drive gear are connected to connecting rod one and drive gear constitute eccentric structure, the one end and the connecting rod one of connecting rod two are connected to the other end and the push rod of connecting rod two are connected, the last guide roller that is equipped with of sector gear, be equipped with the arc guide way on the workstation, the radian of arc guide way is the same with sector gear's radian, guide roller sets up in the arc guide way to guide roller and arc guide way roll connection, sector gear and drive gear meshing. The fixed frame body is provided with a guide sliding sleeve, the second connecting rod is connected with the guide sliding sleeve in a sliding mode, and the second connecting rod is driven to do linear reciprocating motion through the matching of the driving motor, the swing rod, the sector gear, the driving gear and the first connecting rod, so that the push rod is driven to swing.

Further, foretell location processing frock of round pin axle, be equipped with spout and mounting groove on the rectangle PMKD, clamping jaw movable mounting seat and spout sliding connection, clamping jaw fixed mounting seat sets up in the mounting groove to clamping jaw fixed mounting seat sets up on the rectangle PMKD through the fastener. The sliding groove and the mounting groove are arranged on the same straight line, the sliding groove provides sliding guide for the clamping jaw movable mounting seat, and the mounting groove provides a mounting position for the clamping jaw fixed mounting seat.

Furthermore, according to the positioning processing tool for the pin shaft, the first positioning groove is formed in the clamping jaw movable mounting seat, and the second positioning groove is formed in the clamping jaw fixed mounting seat. The first positioning groove and the second positioning groove are both triangular grooves, and the pin shaft is tightly pressed in the first positioning groove and the second positioning groove.

Above-mentioned technical scheme can find out, the utility model discloses following beneficial effect has: location processing frock of round pin axle on the basis of traditional clamping jaw, increased round pin axle locating component, carry out earlier the location of selling the axle through round pin axle locating component, have certain limited action to selling the axle simultaneously, reducing through the distance between two relative clamping jaws of drive, realize the clamp of round pin axle tightly to fix the round pin axle is stable, the centre gripping is reliable and stable, thereby improved the stability of the follow-up processing of round pin axle.

Drawings

Fig. 1 is a schematic structural view of the positioning and processing tool for the pin shaft of the present invention;

fig. 2 is a schematic structural view of the pin shaft positioning assembly of the present invention;

fig. 3 is a schematic structural diagram of the driving assembly of the present invention.

In the figure: the device comprises a pin shaft positioning component 1, a lower base 11, an upper positioning seat 12, a connecting stud 13, a connecting bolt 14, a positioning hole 15, a pin shaft positioning hole I16, a conical positioning hole 17, a circular through hole I18, a ring-shaped step I19, an internal thread hole 110, a clamping jaw I2, a clamping jaw II 3, a rectangular fixed bottom plate 4, a sliding groove 41, a mounting groove 42, a workbench 5, an arc-shaped guide groove 51, a clamping jaw driving device 6, a driving component 61, a fixed frame body 62, a push rod 63, a cam 64, a rotating shaft I65, a clamping jaw fixed mounting seat 66, a positioning groove II 661, a clamping jaw movable mounting seat 67, a positioning groove I671, a guide column 68, a guide sleeve I69, a convex part 610, a spring 611, a driving motor 612, a swing rod 613, a sector gear 614, a driving gear 615, a connecting rod I616, a connecting rod II 617 and a guide roller 618.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element 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 invention.

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 to implicitly indicate 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 invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Example one

The positioning and processing tool for the pin shaft shown in the figure 1 comprises a pin shaft positioning assembly 1, a first clamping jaw 2, a second clamping jaw 3, a rectangular fixing bottom plate 4, a workbench 5 and a clamping jaw driving device 6, wherein the rectangular fixing bottom plate 4 and the clamping jaw driving device 6 are arranged on the workbench 5, the pin shaft positioning assembly 1, the first clamping jaw 2 and the second clamping jaw 3 are arranged on the rectangular fixing bottom plate 4, and the second clamping jaw 3 is connected with the clamping jaw driving device 6.

The pin shaft positioning assembly 1 shown in fig. 2 includes a lower base 11, an upper positioning seat 12, a plurality of connecting studs 13 and a plurality of connecting bolts 14, the lower base 11 is disposed on the rectangular fixing base plate 4, the upper positioning seat 12 is disposed on the lower base 11, the lower end portions of the connecting studs 13 are fixedly disposed on the rectangular fixing base plate 4, the upper end portions of the connecting studs 13 are disposed in the lower base 11, the connecting bolts 14 are disposed on the upper positioning seat 12, and the connecting bolts 14 are in threaded connection with the connecting studs 13.

In addition, a plurality of positioning pins 40 are arranged on the rectangular fixing bottom plate 4, a plurality of positioning holes 15 are arranged on the lower base 11, the plurality of positioning pins 40 and the plurality of positioning holes 15 are arranged in a one-to-one correspondence manner, and the positioning pins 40 are arranged in the positioning holes 15. The lower base 11 is provided with a first pin shaft positioning hole 16, the upper positioning seat 12 is provided with a conical positioning hole 17, the first pin shaft positioning hole 16 and the conical positioning hole 17 are arranged concentrically, and the first pin shaft positioning hole 16 is communicated with the conical positioning hole 17.

In addition, a plurality of first circular through holes 18 are formed in the upper positioning seat 12, the first circular through holes 18 and the connecting bolts 14 are arranged in a one-to-one correspondence manner, annular steps 19 are formed in the inner wall of the first circular through holes 18, and the heads of the connecting bolts 14 are in contact with the annular steps 19. The connecting bolt 14 is provided with an internal threaded hole 110, and the connecting stud 13 is in threaded connection with the internal threaded hole 110.

Example two

Based on the basis of embodiment structure, clamping jaw drive arrangement 6 includes drive assembly 61, fixed support body 62, push rod 63, cam 64, a pivot 65, clamping jaw fixed mounting seat 66 and clamping jaw movable mounting seat 67, drive assembly 61 and push rod 63 are connected, fixed support body 62 is fixed to be set up on workstation 5, push rod 63 and a pivot 65 are connected, a pivot 65 sets up on workstation 5, the cam 64 cover is established on a pivot 65, clamping jaw fixed mounting seat 66 and clamping jaw movable mounting seat 67 all set up on rectangle PMKD 4, clamping jaw movable mounting seat 67 and rectangle PMKD 4 sliding connection to clamping jaw movable mounting seat 67 contacts with cam 64, clamping jaw 2 sets up on clamping jaw fixed mounting seat 66, clamping jaw two 3 set up on clamping jaw movable mounting seat 67.

In the structure, be equipped with guide post 68 on the fixed support body 62, be connected with a guide sleeve 69 on the clamping jaw movable mounting base 67, be connected with convex part 610 on the clamping jaw fixed mounting base 66, guide post 68 runs through a guide sleeve 69 to the guide post 68 is kept away from the one end and the convex part 610 connection of fixed support body 62, the cover is equipped with spring 611 on the guide post 68, spring 611 is located between convex part 610 and a guide sleeve 69.

The driving assembly 61 shown in fig. 3 includes a driving motor 612, a swing link 613, a sector gear 614, a driving gear 615, a first connecting rod 616 and a second connecting rod 617, one end of the swing link 613 is connected to a rotating shaft of the driving motor 612, the other end of the swing link 613 is connected to the driving gear 615, the first connecting rod 616 and the driving gear 615 form an eccentric structure, one end of the second connecting rod 617 is connected to the first connecting rod 616, the other end of the second connecting rod 617 is connected to the push rod 63, a guide roller 618 is arranged on the sector gear 614, an arc-shaped guide groove 51 is arranged on the working platform 5, an arc-shaped guide groove 51 has the same arc shape as that of the sector gear 614, the guide roller 618 is arranged in the arc-shaped guide groove 51, the guide roller 618 is in rolling connection with the arc-shaped guide groove 51, and the sector gear 614 is meshed with the driving gear 615.

Thirdly, the rectangular fixing bottom plate 4 is provided with a sliding groove 41 and a mounting groove 42, the clamping jaw movable mounting seat 67 is connected with the sliding groove 41 in a sliding manner, the clamping jaw fixing mounting seat 66 is arranged in the mounting groove 42, and the clamping jaw fixing mounting seat 66 is set on the rectangular fixing bottom plate 4 through a fastener.

In addition, a first positioning groove 671 is arranged on the clamping jaw movable mounting seat 67, and a second positioning groove 661 is arranged on the clamping jaw fixed mounting seat 66. The first positioning groove 671 and the second positioning groove 661 are both triangular structures, inner walls of the first positioning groove 671 and the second positioning groove 661 are all set to be round corners, the pin shaft can be scratched conveniently, and after the first clamping jaw 2 and the second clamping jaw 3 are close to each other, the pin shaft can be clamped in the first positioning groove 671 and the second positioning groove 661.

The working principle of the clamping jaw driving device 6 is as follows:

the rotating shaft of the driving motor 612 rotates to drive the swing rod 613 to rotate around the driving motor 612, the swing rod 613 drives the driving gear 615 to move around the arc-shaped track of the sector gear 614, the guide roller 618 swings along the arc-shaped guide groove 51 to guide, the driving gear 615 drives the second connecting rod 617 to move through the first connecting rod 616, and the fixed frame body 62 is provided with a guide sliding sleeve, so that the second connecting rod 617 moves back and forth along the guide sliding sleeve, and the second connecting rod 617 drives the push rod 63 to swing.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications can be made without departing from the principles of the present invention, and these modifications should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a location processing frock of round pin axle which characterized in that: the clamping device comprises a pin shaft positioning assembly (1), a first clamping jaw (2), a second clamping jaw (3), a rectangular fixing bottom plate (4), a workbench (5) and a clamping jaw driving device (6), wherein the rectangular fixing bottom plate (4) and the clamping jaw driving device (6) are arranged on the workbench (5), the pin shaft positioning assembly (1), the first clamping jaw (2) and the second clamping jaw (3) are arranged on the rectangular fixing bottom plate (4), and the second clamping jaw (3) is connected with the clamping jaw driving device (6);

the pin shaft positioning assembly (1) comprises a lower base (11), an upper positioning seat (12), a plurality of connecting studs (13) and a plurality of connecting bolts (14), wherein the lower base (11) is arranged on a rectangular fixing base plate (4), the upper positioning seat (12) is arranged on the lower base (11), the lower end parts of the connecting studs (13) are fixedly arranged on the rectangular fixing base plate (4), the upper end parts of the connecting studs (13) are arranged in the lower base (11), the connecting bolts (14) are arranged on the upper positioning seat (12), and the connecting bolts (14) are in threaded connection with the connecting studs (13).

2. The location processing frock of round pin axle of claim 1, its characterized in that: the rectangular fixing base plate (4) is provided with a plurality of positioning needles (40), the lower base (11) is provided with a plurality of positioning holes (15), the positioning needles (40) and the positioning holes (15) are arranged in a one-to-one correspondence mode, and the positioning needles (40) are arranged in the positioning holes (15).

3. The location processing frock of round pin axle of claim 1 or 2, its characterized in that: the lower base (11) is provided with a first pin shaft positioning hole (16), the upper positioning seat (12) is provided with a conical positioning hole (17), the first pin shaft positioning hole (16) and the conical positioning hole (17) are concentrically arranged, and the first pin shaft positioning hole (16) is communicated with the conical positioning hole (17).

4. The location processing frock of round pin axle of claim 1, its characterized in that: a plurality of circular through holes I (18) are formed in the upper positioning seat (12), the circular through holes I (18) and the connecting bolts (14) are arranged in a one-to-one correspondence mode, annular steps I (19) are arranged on the inner wall of the circular through holes I (18), and the heads of the connecting bolts (14) are in contact with the annular steps I (19).

5. The location processing frock of round pin axle of claim 4, its characterized in that: the connecting bolt (14) is provided with an internal threaded hole (110), and the connecting stud (13) is in threaded connection with the internal threaded hole (110).

6. The location processing frock of round pin axle of claim 1, its characterized in that: clamping jaw drive arrangement (6) are including drive assembly (61), fixed support body (62), push rod (63), cam (64), pivot (65), clamping jaw fixed mounting seat (66) and clamping jaw movable mounting seat (67), drive assembly (61) and push rod (63) are connected, fixed support body (62) are fixed to be set up on workstation (5), push rod (63) and pivot (65) are connected, pivot (65) set up on workstation (5), cam (64) cover is established on pivot (65), clamping jaw fixed mounting seat (66) and clamping jaw movable mounting seat (67) all set up on rectangle PMKD (4), clamping jaw movable mounting seat (67) and rectangle PMKD (4) sliding connection to clamping jaw movable mounting seat (67) contact with cam (64), clamping jaw (2) set up on clamping jaw fixed mounting seat (66), clamping jaw two (3) set up on clamping jaw movable mounting seat (67).

7. The location processing frock of round pin axle of claim 6, its characterized in that: be equipped with guide post (68) on fixed support body (62), be connected with guide sleeve (69) on clamping jaw movable mounting base (67), be connected with convex part (610) on clamping jaw fixed mounting base (66), guide post (68) run through guide sleeve (69) to the one end and convex part (610) of fixed support body (62) are kept away from in guide post (68) are connected, the cover is equipped with spring (611) on guide post (68), spring (611) are located between convex part (610) and guide sleeve (69).

8. The location processing frock of round pin axle of claim 7, its characterized in that: the driving assembly (61) comprises a driving motor (612), a swing rod (613), a sector gear (614), a driving gear (615), a first connecting rod (616) and a second connecting rod (617), one end of the swing rod (613) is connected with a rotating shaft of the driving motor (612), the other end of the swing rod (613) is connected with the driving gear (615), the first connecting rod (616) and the driving gear (615) form an eccentric structure, one end of the second connecting rod (617) is connected with the first connecting rod (616), the other end of the second connecting rod (617) is connected with a push rod (63), a guide roller (618) is arranged on the sector gear (614), an arc-shaped guide groove (51) is arranged on the workbench (5), the radian of the arc-shaped guide groove (51) is identical to that of the sector gear (614), the guide roller (618) is arranged in the arc-shaped guide groove (51), the guide roller (618) is in rolling connection with the arc-shaped guide groove (51), and the sector gear (614) is meshed with the driving gear (615).

9. The location processing frock of round pin axle of claim 8, its characterized in that: be equipped with spout (41) and mounting groove (42) on rectangle PMKD (4), clamping jaw movable mounting seat (67) and spout (41) sliding connection, clamping jaw fixed mounting seat (66) set up in mounting groove (42) to clamping jaw fixed mounting seat (66) are set for on rectangle PMKD (4) through the fastener.

10. The location processing frock of round pin axle of claim 8, its characterized in that: and a first positioning groove (671) is arranged on the clamping jaw movable mounting seat (67), and a second positioning groove (661) is arranged on the clamping jaw fixed mounting seat (66).