CN218253955U

CN218253955U - Frock clamp of eccentric shaft processing

Info

Publication number: CN218253955U
Application number: CN202222079094.9U
Authority: CN
Inventors: 廉波; 刘博�; 徐孝峰; 王明哲; 王馗宇
Original assignee: Shenyang Youfu Technical Service Co ltd
Current assignee: Shenyang Youfu Technical Service Co ltd
Priority date: 2022-08-09
Filing date: 2022-08-09
Publication date: 2023-01-10
Anticipated expiration: 2032-08-09

Abstract

The utility model provides a frock clamp of eccentric shaft processing, the eccentric shaft processing technology field that belongs to, comprising a base plate, the side wall symmetry of going up of bottom plate is provided with the chuck, slider sliding connection is at the lateral wall of chuck, when processing the eccentric shaft, two first connecting seats on surface are driven simultaneously to two sliding seats and are removed, make two second connecting seats drive two slider relative movements respectively, make two movable rods drive two splint relative movements respectively, splint through two relative movements are to the eccentric shaft centre gripping, make the both ends of eccentric shaft centre gripping respectively fix the surface at two chucks, thereby it is fixed to the eccentric shaft centre gripping, then process the eccentric shaft, the stability of eccentric shaft course of working has been guaranteed, and then the quality of eccentric shaft has been improved, when fixed to the eccentric shaft centre gripping, according to the distance between two splint of the specification adjustment of eccentric shaft, can be applicable to the eccentric shaft centre gripping of different specifications.

Description

Frock clamp of eccentric shaft processing

Technical Field

The utility model belongs to the technical field of the eccentric shaft processing, concretely relates to frock clamp of eccentric shaft processing.

Background

The workpiece with the excircle parallel to the axis of the excircle and not coincident with the axis of the excircle is called an eccentric shaft. The eccentric shaft is usually fixed on the rotating shaft of the motor through an eccentric hole, and when the motor is started, the eccentric shaft makes a cam motion. Therefore, the eccentric shaft is widely applied to automobiles, engines, pumps and the like, and in mechanical transmission, the rotary motion is changed into the reciprocating linear motion or the reciprocating linear motion is changed into the rotary motion, and the rotary motion is generally completed by using eccentric parts. For example, a lubricating pump driven by an eccentric workpiece for a lathe headstock, a crankshaft in an automobile engine and the like, in the process of machining an eccentric shaft, if the position of the eccentric shaft deviates, the machining quality of the eccentric shaft may be affected, and therefore a tool clamp for machining the eccentric shaft is provided.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among prior art or the correlation technique at least, in order to solve the problem of the eccentric shaft processing centre gripping that exists among the above-mentioned prior art, the utility model provides a frock clamp of eccentric shaft processing adopts fixture to combine position control mechanism to reach the effect of stabilizing the centre gripping. The specific technical scheme is as follows:

the utility model provides a frock clamp of eccentric shaft processing, includes the bottom plate, the last lateral wall symmetry of bottom plate be provided with the chuck, the lateral wall fixed mounting of chuck has the casing, the inside wall of casing rotates and is connected with first lead screw, the lateral wall threaded connection of first lead screw has the sliding seat, the activity groove has been seted up of both sides wall difference symmetry about the casing, the fixed mounting that both sides wall difference was symmetrical about the sliding seat has first connecting seat, the inner chamber of first connecting seat rotates the one end that is connected with the transfer line, the other end of transfer line rotates and is connected with the second connecting seat, second connecting seat fixed mounting is at the lateral wall of slider, the transfer line run through in the inner chamber of activity groove extends to the outside, slider fixed mounting is in the one end of movable rod, the other end fixed mounting of movable rod has splint, the spout has been seted up to the inner chamber of chuck, the movable rod sliding connection be in the inside wall of spout, splint sliding connection be in the lateral wall of chuck, slider sliding connection be in the lateral wall of chuck.

Additionally, the utility model provides a frock clamp of eccentric shaft processing among the above-mentioned technical scheme can also have following additional technical characteristics:

in the technical scheme, the fixed mounting of the upper side wall symmetry of the bottom plate has a fixing base, two the second lead screw is rotationally connected between the fixing bases, the outer thread has been seted up to the outer side wall symmetry of second lead screw, the threaded connection of the outer side wall symmetry of second lead screw has the removal seat, two the fixed mounting that the removal seat is symmetrical respectively is two the lower lateral wall of chuck.

Two fixed mounting has the guide bar between the fixing base, the sliding connection of the lateral wall symmetry of guide bar has the guide holder, two the fixed mounting that the guide holder is symmetrical respectively is two the lower lateral wall of removal seat.

The fixed mounting of the lateral wall symmetry of chuck has the one end of stabilizer bar, the other end fixed mounting of stabilizer bar is in the lateral wall of casing, slider sliding connection be in the surface of stabilizer bar, slider sliding connection be in the lateral wall of chuck.

The opposite side walls of the two clamping plates are respectively and symmetrically fixedly provided with cushion blocks.

The cushion block is an elastic body.

The utility model discloses a, compare with prior art, beneficial effect is:

1. when processing the eccentric shaft, rotate the inside first lead screw of two casings respectively, it moves to get two first connecting seats that two sliding seats drive the surface simultaneously, make two second connecting seats drive two slider relative displacements respectively, make two movable rods drive two splint relative displacements respectively, splint through two relative displacements centre gripping to the eccentric shaft, make the both ends difference centre gripping of eccentric shaft fix the surface at two chucks, thereby it is fixed to centre gripping the eccentric shaft, then process the eccentric shaft, the stability of eccentric shaft course of working has been guaranteed, and then the quality of eccentric shaft has been improved, when fixed to the eccentric shaft centre gripping, adjust the distance between two splint according to the specification of eccentric shaft, can be applicable to the eccentric shaft centre gripping of different specifications.

2. The two ends of the eccentric shaft are respectively placed between the two clamping plates on the surfaces of the two chucks, and then the second lead screw is rotated, so that the two symmetrical moving seats which are in threaded connection with the outer surface of the second lead screw move relatively, the two chucks are respectively moved to the positions embedded in the outer surfaces of the two ends of the eccentric shaft, and the stability of the eccentric shaft when the eccentric shaft is clamped and fixed is ensured.

3. When adjusting two chuck positions through rotating the second lead screw for moving the seat and driving the guide holder laminating and slide at the surface of guide bar when driving the chuck and removing, improved the stability that removes the seat removal process through two guide holders, avoid removing a seat offset, thereby guaranteed the stability that the chuck removed the process, and then guaranteed the stability of eccentric shaft course of working.

4. When adjusting the sliding seat position through rotating first lead screw, when making the sliding seat drive two transfer lines and remove, make the transfer line drive the slider laminating through the second connecting seat and slide at the surface of stabilizer bar, spacing through the stabilizer bar to the slider, guaranteed the stability of slider removal process, thereby improved the stability of movable bar slip process, make the stability of two splint removal processes, and then guaranteed the stability of eccentric shaft course of working.

Drawings

Fig. 1 is a schematic structural view of a tooling fixture for eccentric shaft machining according to the present invention;

fig. 2 is a partial enlarged view of a part a of the structural schematic diagram of the tooling fixture for processing the eccentric shaft of fig. 1;

fig. 3 is a partial enlarged view of a part B of the schematic structural view of the tooling fixture for eccentric shaft machining in fig. 1;

wherein, the correspondence between the reference numbers and the component names in fig. 1 to 3 is: 1-bottom plate, 2-chuck, 4-shell, 5-fixed seat, 6-guide seat, 7-movable seat, 8-second screw rod, 9-guide rod, 10-transmission rod, 12-stabilizing rod, 13-cushion block, 14-sliding groove, 15-movable rod, 16-clamping plate, 17-sliding block, 18-first screw rod, 19-movable seat, 20-second connecting seat, 21-first connecting seat and 22-movable groove.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

The present invention will be further described with reference to the following detailed description and accompanying fig. 1-3, but the present invention is not limited to these embodiments.

Example 1

A tool clamp for processing an eccentric shaft comprises a base plate 1, wherein chucks 2 are symmetrically arranged on the upper side wall of the base plate 1, two chucks 2 capable of moving relatively are arranged on the upper surface of the base plate 1, a shell 4 is fixedly arranged on the side wall of each chuck 2, a first lead screw 18 is rotatably connected to the inner side wall of each shell 4, the back and the front of each two chucks 2 are respectively and vertically and fixedly arranged on the shell 4, bearings are respectively embedded and arranged on the inner walls of the left side and the right side of each shell 4, two ends of each first lead screw 18 are respectively embedded and arranged in the two bearings, so that each lead screw 18 stably rotates in each shell 4, a movable seat 19 is in threaded connection with the outer side wall of each first lead screw 18, movable grooves 22 are respectively symmetrically formed in the upper side wall and the lower side wall of each shell 4, two movable grooves 22 communicated with an inner cavity are respectively formed in the surfaces of the upper side and the lower side of each shell 4, the upper side wall and the lower side wall of the movable seat 19 are respectively and symmetrically fixedly provided with a first connecting seat 21, the inner cavity of the first connecting seat 21 is rotatably connected with one end of the transmission rod 10, the other end of the transmission rod 10 is rotatably connected with a second connecting seat 20, the second connecting seat 20 is fixedly arranged on the side wall of the sliding block 17, the transmission rod 10 penetrates through the inner cavity of the movable groove 22 and extends to the outside, the transmission rod 10 is attached to the inner wall of the movable groove 22 to slide, rotating shafts are respectively arranged inside the first connecting seat 21 and the second connecting seat 20, two ends of the transmission rod 10 are respectively movably sleeved on the outer surfaces of the rotating shafts inside the first connecting seat 21 and the second connecting seat 20 through arranging through holes, so that two ends of the transmission rod 10 are respectively hinged with the first connecting seat 21 and the second connecting seat 20, the sliding block 17 is fixedly arranged at one end of the movable rod 15, a clamping plate 16 is fixedly arranged at the other end of the movable rod 15, the inner cavity of the chuck 2 is provided with a sliding groove 14, offer the concrete chute 14 of the through hole inner chamber in the inner chamber of the chuck 2, movable rod 15 sliding connection is at the inside wall of concrete chute 14, movable rod 15 laminates and slides at the inner wall of concrete chute 14, movable rod 15 runs through the inner chamber of concrete chute 14 and both ends extend outside, splint 16 sliding connection is at the lateral wall of chuck 2, the laminating of two splint 16 symmetries slides at the surface of chuck 2, slider 17 sliding connection is at the lateral wall of chuck 2, the laminating of two slider 17 symmetries slides at the back to face of two chucks 2, in the time of processing the eccentric shaft, place the both ends of eccentric shaft respectively between the splint 16 on two chuck 2 surfaces, then rotate the inside first lead screw 18 of two casings 4 respectively, make the movable seat 19 of the outer surface threaded connection of first lead screw 18 move along its surface, make two movable seats 19 drive two first connecting seats 21 on surface simultaneously and move, the two first connecting seats 21 respectively drive one end of the hinged transmission rod 10 to move, the other end of the transmission rod 10 drives the hinged second connecting seat 20 to move, the two second connecting seats 20 respectively drive the two sliders 17 to move relatively, the two sliders 17 respectively drive the two movable rods 15 to be attached to the inner wall of the chute 14 to slide relatively, the two movable rods 15 respectively drive the two clamping plates 16 to move relatively, the eccentric shaft is clamped by the two clamping plates 16 moving relatively, the two ends of the eccentric shaft are respectively clamped and fixed on the surfaces of the two chucks 2, so that the eccentric shaft is clamped and fixed, then the eccentric shaft is processed, the stability of the eccentric shaft processing process is ensured, the quality of the eccentric shaft is further improved, when the eccentric shaft is clamped and fixed, the distance between the two clamping plates 16 is adjusted according to the specification of the eccentric shaft, the eccentric shaft clamping device can be suitable for clamping eccentric shafts of different specifications.

The fixed mounting that the lateral wall was symmetrical on bottom plate 1 has fixing base 5, it is connected with second lead screw 8 to rotate between two fixing base 5, two fixing base 5 that are parallel to each other of the fixed mounting of upper surface symmetry at bottom plate 1, opposite face between two fixing base 5 is symmetrical embedding installation bearing respectively, the inside at two bearings is embedded respectively at the both ends of second lead screw 8, make second lead screw 8 rotate steadily between two fixing base 5, the external screw thread has been seted up to the lateral wall symmetry of second lead screw 8, set up two parts screw thread opposite from the center to bilateral symmetry at the surface of second lead screw 8, and the external screw thread that the screw pitch is the same, the threaded connection of the lateral wall symmetry of second lead screw 8 has removal seat 7, two fixed mounting that remove seat 7 respectively the symmetry are at the lower lateral wall of two chucks 2, according to the length of eccentric shaft, adjust the distance between two chucks 2, place the both ends of eccentric shaft respectively between two splint 3 on two chucks 2 surfaces, then rotate second lead screw 8, make two symmetrical removal seats 7 relative movement of the external surface threaded connection of second lead screw 8, move to embedding respectively on the fixed position of the both ends of eccentric shaft, the eccentric shaft when having guaranteed the stability.

Fixed mounting has guide bar 9 between two fixing bases 5, the sliding connection of the lateral wall symmetry of guide bar 9 has guide holder 6, the fixed mounting that two guide holder 6 are symmetrical respectively is at the lower lateral wall of two removal seats 7, set up the perforation at the inner chamber of guide holder 6 is horizontal, make two guide holder 6 laminate respectively and slide at the surface of guide bar 9 through perforating, when adjusting two chucks 2 positions through rotating second lead screw 8, make removal seat 7 drive the outer surface slip at guide bar 9 of 6 laminating of guide holder when driving chuck 2 and remove, the stability of removal seat 7 removal process has been improved through two guide holders 6, avoid removing 7 skew of seat, thereby the stability of chuck 2 removal process has been guaranteed, and then the stability of eccentric shaft course of working has been guaranteed.

The side wall of the chuck 2 is symmetrically and fixedly provided with one end of a stabilizer bar 12, the other end of the stabilizer bar 12 is fixedly arranged on the side wall of the shell 4, two stabilizer bars 12 are respectively and fixedly arranged on the surface of the chuck 2, a sliding block 17 is connected to the outer surface of the stabilizer bar 12 in a sliding manner, a through hole is formed in the inner cavity of the sliding block 17 in a longitudinal manner, the sliding block 17 slides along the outer surface of the stabilizer bar 12 through the through hole, the sliding block 17 is connected to the side wall of the chuck 2 in a sliding manner, when a first lead screw 18 is rotated to adjust the position of a movable seat 19, the movable seat 19 drives two transmission rods 10 to move, the transmission rods 10 drive the sliding block 17 to be attached to the outer surface of the stabilizer bar 12 through a second connecting seat 20 to slide, the limiting of the sliding block 17 through the stabilizer bar 12 is realized, the stability of the moving process of the sliding block 17 is ensured, the stability of the moving process of the movable rod 15 is improved, the stability of the moving process of the two clamping plates 16 is realized, and the stability of the eccentric shaft machining process is further ensured.

The fixed mounting that the relative lateral wall difference symmetry of two splint 16 has cushion 13, through respectively fixed mounting cushion 13 between two splint 16, can play the safeguard effect in the eccentric shaft centre gripping, avoids causing the damage to the surface of eccentric shaft.

The cushion block 13 is an elastic body, and the friction force of the contact surface of the eccentric shaft is increased through the cushion block 13 made of the elastic body, so that the stability of the eccentric shaft clamping process is improved.

This embodiment of a frock clamp of eccentric shaft processing, theory of operation is: when the clamping device is used, firstly, two ends of the eccentric shaft are respectively placed between two clamping plates 3 on the surfaces of two chucks 2, then the second lead screw 8 is rotated, two symmetrical moving seats 7 in threaded connection with the outer surface of the second lead screw 8 relatively move, the two chucks 2 are respectively moved to positions embedded in the outer surfaces of two ends of the eccentric shaft, then the first lead screws 18 inside two shells 4 are respectively rotated, the moving seats 19 in threaded connection with the outer surface of the first lead screws 18 move along the surfaces of the moving seats, the two moving seats 19 simultaneously drive two first connecting seats 21 on the surfaces to move, the two first connecting seats 21 respectively drive one ends of the hinged transmission rods 10 to move, the other ends of the transmission rods 10 drive the hinged second connecting seats 20 to move, the two second connecting seats 20 respectively drive the two sliding blocks 17 to relatively move, the two sliding blocks 17 respectively drive the two moving rods 15 to be attached to the inner walls of the sliding grooves 14 to relatively slide, the two moving rods 15 respectively drive the two clamping plates 16 to relatively move, the two eccentric shaft is clamped by the two clamping plates 16 which relatively move, two ends of the eccentric shaft are respectively clamped and fixed on the surfaces of the two chucks 2, and then the eccentric shaft is processed.

In the description of the present invention, the terms "plurality" or "a plurality" refer to two or more, and unless otherwise specifically limited, the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "connected," "mounted," "secured," and the like are to be construed broadly and include, for example, fixed connections, removable connections, or integral connections; may be directly connected or indirectly connected through an intermediate. 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 description of the present invention, the terms "one embodiment," "some embodiments," "specific embodiments," and the like, are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In the present disclosure, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a frock clamp of eccentric shaft processing, includes bottom plate (1), its characterized in that: the upper side wall of the bottom plate (1) is symmetrically provided with chucks (2), a shell (4) is fixedly arranged on the side wall of the chuck (2), the inner side wall of the shell (4) is rotatably connected with a first lead screw (18), the outer side wall of the first screw rod (18) is in threaded connection with a movable seat (19), the upper side wall and the lower side wall of the shell (4) are respectively provided with a movable groove (22) symmetrically, the upper side wall and the lower side wall of the movable seat (19) are respectively and symmetrically fixedly provided with a first connecting seat (21), the inner cavity of the first connecting seat (21) is rotatably connected with one end of a transmission rod (10), the other end of the transmission rod (10) is rotationally connected with a second connecting seat (20), the second connecting seat (20) is fixedly arranged on the side wall of the sliding block (17), the transmission rod (10) penetrates through the inner cavity of the movable groove (22) and extends to the outside, the sliding block (17) is fixedly arranged at one end of the movable rod (15), the other end of the movable rod (15) is fixedly provided with a clamping plate (16), a chute (14) is arranged in the inner cavity of the chuck (2), the movable rod (15) is connected to the inner side wall of the chute (14) in a sliding way, the clamping plate (16) is connected with the side wall of the chuck (2) in a sliding way, the sliding block (17) is connected to the side wall of the chuck (2) in a sliding mode.

2. The tooling clamp for machining the eccentric shaft according to claim 1, wherein the upper side wall of the bottom plate (1) is symmetrically and fixedly provided with fixed seats (5), a second lead screw (8) is rotatably connected between the two fixed seats (5), the outer side wall of the second lead screw (8) is symmetrically provided with external threads, the outer side wall of the second lead screw (8) is symmetrically and threadedly connected with movable seats (7), and the two movable seats (7) are respectively and fixedly arranged on the lower side walls of the two chucks (2) symmetrically.

3. The tooling clamp for machining the eccentric shaft according to claim 2, wherein a guide rod (9) is fixedly installed between the two fixed seats (5), the outer side wall of the guide rod (9) is symmetrically and slidably connected with the guide seats (6), and the two guide seats (6) are respectively and symmetrically and fixedly installed on the lower side walls of the two movable seats (7).

4. The tooling clamp for processing the eccentric shaft according to claim 1, wherein one end of the stabilizer bar (12) is symmetrically and fixedly installed on the side wall of the chuck (2), the other end of the stabilizer bar (12) is fixedly installed on the side wall of the housing (4), and the sliding block (17) is slidably connected to the outer surface of the stabilizer bar (12).

5. The tooling clamp for machining the eccentric shaft according to claim 1, wherein the opposite side walls of the two clamping plates (16) are symmetrically and fixedly provided with cushion blocks (13) respectively.

6. The tooling clamp for machining the eccentric shaft according to claim 5, wherein the pad (13) is an elastomer.