CN219189217U

CN219189217U - Press fitting machine

Info

Publication number: CN219189217U
Application number: CN202223266551.1U
Authority: CN
Inventors: 陶德胜
Original assignee: Wuhan Dongzhen Electrical Equipment Co ltd
Current assignee: Wuhan Dongzhen Electrical Equipment Co ltd
Priority date: 2022-12-06
Filing date: 2022-12-06
Publication date: 2023-06-16
Anticipated expiration: 2032-12-06

Abstract

The utility model relates to a press-fitting machine, which relates to the technical field of automobile part assembly equipment and comprises a base, a bearing assembly and a clamping assembly. In practical application, for the press fit of a buffer pad with a certain specific size and a piston rod, the bearing table can be rotated and adjusted firstly, so that the clamping seat for clamping the buffer pad with the specific size is positioned under the clamp, then the buffer pad with the specific size is clamped on the clamping seat, one end of the piston rod is clamped by the clamp, then the clamp is driven to move towards the clamping seat close to the corresponding end of the piston rod by the driving piece, and the buffer pad and one end of the piston rod, which is away from the driving piece, are pressed and fit.

Description

Press fitting machine

Technical Field

The utility model relates to the technical field of automobile part assembly equipment, in particular to a press-fitting machine.

Background

At present, the piston rod of many shock absorbers is assembled, and the piston rod is connected with the buffer pad in a riveting mode.

Patent CN209288672U discloses a pressure equipment machine for speed reducer, in the pressure equipment in-process, through setting up collar and sleeve for pressure force acts on the inner circle of two bearings, when reducing the wearing and tearing of bearing, has improved the pressure equipment precision of pressure equipment machine.

However, in the above-mentioned conventional press-fitting machine, only one press-fitting machine can press-fit products of the same size, resulting in poor versatility of the press-fitting machine, and the press-fitting machine cannot adapt to press-fitting work of products of different sizes, and thus, there is a need for a press-fitting machine.

Disclosure of Invention

Aiming at the state of the prior art, the utility model provides a press-fitting machine, which can effectively solve the problems that in the prior art, one press-fitting machine can only press-fit products with the same size, so that the universality of the press-fitting machine is poor, and the press-fitting machine cannot adapt to the press-fitting work of products with different sizes.

The utility model is realized by the following technical scheme:

the utility model provides a press-fitting machine for press-fitting a buffer pad and a piston rod, which comprises:

and (5) a base.

The bearing table is rotationally arranged on the base, the clamping seats are arranged at the top of the bearing table and are respectively distributed at intervals, and each clamping seat is respectively used for being clamped with the buffer cushion.

The clamping assembly comprises a supporting frame, a driving part and a clamp, wherein the supporting frame is arranged on the base, the driving part is arranged on the supporting frame, the clamp is arranged on the movable end of the driving part, the end, deviating from the driving part, of the driving part is used for clamping one end of the piston rod, one clamping seat corresponds to the lower part of the clamp, and the driving part is used for driving the clamp to move towards the clamping seat corresponding to the clamping seat so as to press-fit the buffer pad with the end, deviating from the driving part, of the piston rod.

Further, the clamping seat comprises at least two clamping blocks, at least two clamping blocks are detachably arranged at the top of the bearing table, and a clamping groove with adjustable size is formed between the two clamping blocks, and is used for clamping the buffer pad.

Further, a plurality of connecting hole groups are formed in the top of the bearing table and correspond to one clamping seat, each connecting hole group is used for installing one clamping block, each connecting hole group comprises a plurality of first connecting holes distributed at intervals, each clamping block is provided with a second connecting hole corresponding to one first connecting hole, and when the second connecting holes are correspondingly arranged with one first connecting hole, the clamping blocks are detachably connected with the bearing table through a connecting piece.

Further, at least two opposite faces of the clamping blocks are arc faces, at least two clamping grooves formed by encircling the clamping blocks are cylindrical, and at least two clamping blocks are uniformly distributed along the circumference of the clamping grooves.

Further, the clamping blocks are provided with four clamping blocks.

Further, the top of one clamping block is lower than the top of the other clamping blocks so as to form a notch for putting in or taking out the buffer pad.

Furthermore, two clamping blocks which are staggered from the notch and are opposite to the notch are respectively provided with a guide piece, the two guide pieces are oppositely arranged, and a guide space for preventing the piston rod from inclining is formed between the two guide pieces.

Further, each guide piece comprises a sliding rod, a guide block, a guide rod and a locking piece, wherein the sliding rod is arranged in the clamping block in a sliding penetrating manner, one end of the sliding rod is away from the clamping groove and extends out of the clamping block, the other end of the sliding rod extends into the clamping groove and is fixedly connected with the guide block, one end of the guide rod is fixedly connected with the guide block, the other end of the guide rod is arranged in the clamping block in a sliding penetrating manner, and the locking piece is used for fixedly connecting the sliding rod with the clamping block; the guide space is formed between the two guide blocks.

Further, the corresponding surfaces of the two guide blocks are cambered surfaces.

Further, the locking piece is a bolt or a screw, and the locking piece is arranged on the clamping block and used for abutting and fixing the sliding rod on the clamping block.

Compared with the prior art, the utility model has the following advantages:

according to the utility model, as at least two clamping seats are arranged, and different clamping seats can be clamped with buffer storage pads of different sizes, in practical application, for the press fit of the buffer storage pad of a certain specific size and a piston rod, the bearing table can be adjusted in a rotating manner, so that the clamping seat for clamping the buffer storage pad of the specific size is positioned under the clamp, then the buffer storage pad of the specific size is clamped on the clamping seat, one end of the piston rod is clamped by the clamp, and then the clamp is driven to move towards the clamping seat close to the clamping seat corresponding to the clamping seat by the driving piece, so that the buffer storage pad and one end of the piston rod, which is away from the driving piece, are pressed and fit.

Drawings

Fig. 1 is a schematic perspective view of an embodiment of a press-fitting machine according to the present utility model;

FIG. 2 is a schematic view of a part of the enlarged structure of the portion A in FIG. 1;

fig. 3 is a schematic structural diagram of an embodiment of the structure shown in fig. 2 in a state of press-fitting the buffer pad and the piston rod.

Reference numerals: 1. a base; 2. a receiving assembly; 21. a carrying platform; 211. a group of connection holes; 2111. a first connection hole; 22. a clamping seat; 221. a clamping block; 2211. a clamping groove; 2212. a connecting piece; 2213. a notch; 3. a clamping assembly; 31. a support frame; 32. a driving member; 33. a clamp; 4. a guide member; 40. a guide space; 41. a slide bar; 42. a guide block; 43. a guide rod; 44. a locking member; 5. a buffer pad; 6. a piston rod.

Detailed Description

The following detailed description of the preferred embodiments of the utility model, taken in conjunction with the accompanying drawings, form a part hereof, and which together with the embodiments of the utility model serve to illustrate the utility model and not to limit the utility model.

As shown in fig. 1 to 3, the present utility model provides a press-fitting machine for press-fitting a buffer pad 5 and a piston rod 6, the press-fitting machine includes a base 1, a receiving component 2 and a clamping component 3.

The bearing assembly 2 comprises a bearing table 21 and at least two clamping seats 22, the bearing table 21 is rotatably arranged on the base 1, the at least two clamping seats 22 are respectively arranged at the top of the bearing table 21 and are respectively distributed at intervals, and each clamping seat 22 is respectively used for being clamped with the buffer cushion 5;

the clamping assembly 3 comprises a supporting frame 31, a driving piece 32 and a clamp 33, the supporting frame 31 is arranged on the base 1, the driving piece 32 is arranged on the supporting frame 31, the clamp 33 is arranged on the movable end of the driving piece 32, one end, deviating from the driving piece 32, of the clamp is used for clamping one end of the piston rod 6, one clamping seat 22 corresponds to the position right below the clamp 33, and the driving piece 32 is used for driving the clamp 33 to move towards the clamping seat 22 close to the position corresponding to the clamp, so that the buffer pad 5 and one end, deviating from the driving piece 32, of the piston rod 6 are in press fit.

According to the utility model, as at least two clamping seats 22 are arranged on the base 1, the bearing assembly 2, the clamping assembly 3 and other parts, and different clamping seats 22 can be clamped with buffer gaskets 5 with different sizes, in practical application, for press fit of the buffer gasket 5 with a certain specific size and the piston rod 6, the bearing table 21 can be adjusted in a rotating way, so that the clamping seat 22 for clamping the buffer gasket 5 with the specific size is positioned under the clamp 33, then the buffer gasket 5 with the specific size is clamped on the clamping seat 22, one end of the piston rod 6 is clamped by the clamp 33, and then the clamp 33 is driven by the driving piece 32 to move towards the clamping seat 22 close to the corresponding end of the clamp, so that the buffer gasket 5 and one end of the piston rod 6, which is away from the driving piece 32, are pressed fit.

The dimensions of the piston rod 6 may be different, for example, the length of the piston rod 6 may be different, but the clamp 33 can stably clamp one end of the piston rod 6, and the clamp 33 may be a clamp 33 structure in the prior art, so long as the one end of the piston rod 6 can be stably clamped, which is not an important point of protection of the present utility model, but is not to be construed as limiting the present utility model.

In order to facilitate quick clamping of the buffer pad 5 with different sizes, the clamping seat 22 includes at least two clamping blocks 221, at least two clamping blocks 221 are detachably disposed on the top of the carrying table 21, and a clamping groove 2211 with adjustable size is formed between the two clamping blocks, and the clamping groove 2211 is used for clamping the buffer pad 5. The top of the carrying table 21 is provided with a plurality of connecting hole groups 211 corresponding to one clamping seat 22, each connecting hole group 211 is used for installing one clamping block 221, each connecting hole group 211 comprises a plurality of first connecting holes 2111 distributed at intervals, each clamping block 221 is provided with a second connecting hole corresponding to one first connecting hole 2111, and when the second connecting hole is correspondingly arranged with one first connecting hole 2111, the clamping block 221 is detachably connected with the carrying table 21 through a connecting piece 2212. In practical application, by setting the connecting hole group 211, the assembly and disassembly of the bearing table 21 by at least three clamping blocks 221 are relatively convenient, namely, the size of the clamping groove 2211 is adjusted, so that the buffer pads 5 with different sizes can be assembled conveniently, and the universality is relatively good. The distance between the first connecting holes 2111 may be designed according to practical situations, so as to satisfy the press-fitting of the buffering pad 5 and the threaded rod with several sizes. The first and

second connection holes

2111 and 2212 may be screw holes, and the connection member 2212 may be bolts, so that the design may be convenient for practical application, i.e. the assembly and disassembly of at least three clamping blocks 221 on the carrying table 21.

In order to improve the press-fitting precision of the buffer pad 5 and the threaded rod, the opposite surfaces of at least two clamping blocks 221 are arc surfaces, the clamping groove 2211 formed by surrounding at least two clamping blocks 221 is cylindrical, and at least two clamping blocks 221 are uniformly distributed along the circumferential direction of the clamping groove 2211. The clamping blocks 221 are provided with four. In practical application, the buffer pad 5 with a specific size is clamped on the clamping seat 22, then one end of the piston rod 6 is clamped by the clamp 33, and then the clamp 33 is driven by the driving piece 32 to move towards the clamping seat 22 close to the clamp, so that the buffer pad 5 and one end of the piston rod 6, which is away from the driving piece 32, are pressed and assembled, the clamping groove 2211 has a guiding function on the buffer pad in the moving process of the piston rod 6, so that the buffer pad 5 and the threaded rod are not pressed and assembled in a position offset manner, and the press-fitting precision of the buffer pad 5 and the threaded rod can be improved.

To facilitate the placement and removal of the buffer pad 5, the top of one of the clamping blocks 221 is lower than the top of the other clamping blocks 221 to form a gap 2213 for placing or removing the buffer pad 5.

In order to further improve the press-fitting accuracy of the buffer pad 5 and the threaded rod, two clamping blocks 221 which are staggered and opposite to the notch 2213 are respectively provided with a guide piece 4, and two guide pieces 4 are oppositely arranged, and a guide space 40 for preventing the piston rod 6 from tilting is formed between the two guide pieces. Each guide piece 4 comprises a sliding rod 41, a guide block 42, a guide rod 43 and a locking piece 44, wherein the sliding rod 41 is slidably arranged on the clamping block 221 in a penetrating manner, one end of the sliding rod 41 is away from the clamping groove 2211 and extends out of the clamping block 221, the other end of the sliding rod 41 extends into the clamping groove 2211 and is fixedly connected with the guide block 42, one end of the guide rod 43 is fixedly connected with the guide block 42, the other end of the guide rod 43 is slidably arranged on the clamping block 221 in a penetrating manner, and the locking piece 44 is used for fixedly connecting the sliding rod 41 with the clamping block 221; the guide space 40 is formed between the two guide blocks 42. The corresponding surfaces of the two guide blocks 42 are cambered surfaces. The locking member 44 is a bolt or a screw, and the locking member 44 is provided on the clamping block 221 to fix the sliding rod 41 to the clamping block 221 in an abutting manner. In practical applications, the size of the buffer pad 5 is determined first, so as to adjust the size of the clamping groove 2211, then the size of the guiding space 40 is adjusted by the sliding rod 41, the guiding block 42, the guiding rod 43 and the locking piece 44, then the buffer pad 5 is placed into the clamping groove 2211, then one end of the piston rod 6 is clamped by the clamp 33, then the clamp 33 is driven by the driving piece 32 to move towards the clamping seat 22 close to the corresponding end of the clamp, so that the buffer pad 5 and one end of the piston rod 6 deviating from the driving piece 32 are pressed and assembled, and meanwhile, one end of the piston rod 6 deviating from the driving piece 32 extends into the guiding space 40 to prevent the piston rod 6 from tilting, so that the design can further improve the press-fitting precision of the buffer pad 5 and the threaded rod.

In particular, the specific shape of the guide block 42 may be designed according to the shape of the piston rod 6, when the piston rod 6 is cylindrical, the corresponding surfaces of the two guide blocks 42 are arc surfaces, and the guide space 40 is cylindrical-like for accurately and stably guiding the piston rod 6.

Compared with the prior art, the press-fitting machine provided by the utility model has the following beneficial effects:

The foregoing description of the preferred embodiments of the present utility model is not intended to be limiting, but rather is merely illustrative of the present utility model, and all modifications and equivalents of the embodiments described above may be made in accordance with the technical spirit of the present utility model.

Claims

1. A press-fit machine for press-fitting a buffer pad and a piston rod, the press-fit machine comprising:

a base;

the bearing table is rotationally arranged on the base, the at least two clamping seats are arranged at the top of the bearing table and are respectively distributed at intervals, and each clamping seat is respectively used for being clamped with the buffer cushion;

2. The press-fitting machine according to claim 1, wherein the clamping seat comprises at least two clamping blocks, at least two clamping blocks are detachably arranged on the top of the bearing table, and a clamping groove with adjustable size is formed between the clamping blocks, and the clamping groove is used for clamping the buffer pad.

3. The press-fitting machine according to claim 2, wherein a plurality of connection hole groups are provided at the top of the carrying table and corresponding to one of the clamping holders, each of the connection hole groups is used for mounting one of the clamping blocks, each of the connection hole groups includes a plurality of first connection holes distributed at intervals, each of the clamping blocks is provided with a second connection hole corresponding to one of the first connection holes, and when the second connection hole is provided corresponding to one of the first connection holes, the clamping block is detachably connected with the carrying table via a connecting piece.

4. The press-fitting machine according to claim 3, wherein the opposite surfaces of the at least two clamping blocks are arc surfaces, the clamping grooves formed by surrounding the at least two clamping blocks are cylindrical, and the at least two clamping blocks are uniformly distributed along the circumferential direction of the clamping grooves.

5. The press according to claim 4, wherein the clamping blocks are provided with four.

6. The press of claim 5, wherein a top of one of the clamping blocks is lower than a top of the other clamping blocks for forming a gap into which the buffer pad is placed or removed.

7. The press-fitting machine according to claim 6, wherein two of the holding blocks which are offset from the notch and are opposed to each other are provided with a guide member, respectively, and the two guide members are opposed to each other with a guide space for preventing the piston rod from tilting formed therebetween.

8. The press-fitting machine according to claim 7, wherein each of the guide members includes a slide rod, a guide block, a guide rod, and a locking member, the slide rod is slidably disposed through the clamping block, one end of the slide rod faces away from the clamping groove and extends out of the clamping block, the other end of the slide rod extends into the clamping groove and is fixedly connected with the guide block, one end of the guide rod is fixedly connected with the guide block, the other end of the guide rod is slidably disposed through the clamping block, and the locking member is used for fixedly connecting the slide rod with the clamping block; the guide space is formed between the two guide blocks.

9. The press-fitting machine according to claim 8, wherein the corresponding faces of both the guide blocks are arc faces.

10. The press-fitting machine according to claim 9, wherein the locking member is a bolt or a screw, and the locking member is provided to the clamp block for abutting and fixing the slide rod to the clamp block.