CN219484795U - Press mounting device - Google Patents

Abstract

The utility model provides a press-fitting device, comprising: the device comprises a machine base, a first pressure head, a pressure bearing seat and a telescopic component; the machine base comprises a first base body and a second base body, wherein the first base body is connected with the second base body through a connecting part, and a press-fit space is formed between the first base body and the second base body; the first pressure head is arranged on the first substrate and is positioned in the press-fit space; the pressure bearing seat is arranged on the second base body, is positioned in the press-fit space and is arranged opposite to the first pressure head; the telescopic component is arranged on the first substrate. Compared with the prior art, the machine base of the press-fitting device adopts a C-shaped design, so that a part needing to be pressed into a part can extend into a press-fitting space from the avoidance opening, interference between the machine base and the part is avoided, the part is prevented from entering the press-fitting space, staff operation is facilitated, working efficiency is improved, and the type of products compatible with press-fitting of the press-fitting device is increased.

Description

Press mounting device

Technical Field

The utility model relates to the technical field of part press fitting, in particular to a press fitting device.

Background

In the processing of parts, it is often involved to press annular or tubular parts such as bushings, oil seals, etc. into holes or grooves in other parts, such as, for example, parts such as oil seals for camshafts, bushings for bearing pins, etc.

The prior press-fitting machine has unreasonable structure design, and when a part is pressed onto a designated part, the machine base can often interfere with the structure of the part, so that the machine base can not reach a proper press-fitting position, and the press-fitting implementation is affected.

Disclosure of Invention

The utility model aims to overcome the defects and shortcomings in the prior art and provides a press-fitting device.

One embodiment of the present utility model provides a press-fitting apparatus including: the device comprises a machine base, a first pressure head, a pressure bearing seat and a telescopic component;

the machine base comprises a first base body and a second base body, wherein the first base body is connected with the second base body through a connecting part, a press-fit space is formed between the first base body and the second base body, the connecting part is positioned at one side of the press-fit space, avoidance openings are formed in three adjacent sides of the press-fit space, and the adjacent avoidance openings are communicated with each other;

the first pressure head is arranged on the first substrate and is positioned in the press-fit space;

the pressure bearing seat is arranged on the second base body, is positioned in the press-fit space and is arranged opposite to the first pressure head;

the telescopic component is arranged on the first base body and is in transmission connection with the first pressure head, and the telescopic component drives the first pressure head to be close to or far away from the pressure bearing seat.

Compared with the prior art, the machine base of the press-fitting device adopts a C-shaped design, so that a part needing to be pressed into a part can extend into a press-fitting space from the avoidance opening, interference between the machine base and the part is avoided, the part is prevented from entering the press-fitting space, staff operation is facilitated, working efficiency is improved, and the type of products compatible with press-fitting of the press-fitting device is increased.

In some optional embodiments, the first pressure head includes a body, the body is connected with the telescopic component, a positioning column and a bearing part are formed on the body, the positioning column is located at one side of the body facing the pressure bearing seat, and the bearing part is arranged around the positioning column.

In some optional embodiments, the first pressure head further includes a protective sleeve and an elastic element, the protective sleeve is sleeved on the body, a supporting space is formed between an inner wall of the protective sleeve and an outer wall of the positioning column, the elastic element is disposed between the protective sleeve and the body, and when the first pressure head moves towards a direction close to the pressure bearing seat relative to the protective sleeve, the elastic element generates elastic deformation.

In some optional embodiments, the body is formed with a guide post and a supporting portion, the positioning post, the bearing portion, the guide post and the supporting portion are sequentially arranged along a direction close to the bearing seat, the elastic member is a spring, the spring is sleeved outside the guide post, and two ends of the spring are respectively connected with the supporting portion and the protective sleeve.

In some optional embodiments, the body includes a press-fit portion and an assembly seat, the press-fit portion is connected with the telescopic assembly through the assembly seat, the press-fit portion is detachably connected with the assembly seat, and the positioning column and the bearing portion are formed on the press-fit portion.

In some optional embodiments, the body is provided with a limiting groove, the inner wall of the protective sleeve is connected with a sliding part, the sliding part stretches into the limiting groove, and when the first pressure head moves towards the direction close to the pressure bearing seat relative to the protective sleeve, the sliding part moves along the limiting groove.

In some alternative embodiments, an operating handle is provided on the first substrate and/or the second substrate.

In some alternative embodiments, the housing further comprises a cartridge disposed on the first base, the connection, or the second base.

In some alternative embodiments, a guide hole is formed on the first substrate, the guide hole is communicated with the press-fit space, and the first pressure head part extends into the guide hole;

the telescopic component is arranged on one side, far away from the press-fit space, of the first base body, and the output end of the telescopic component stretches into the guide hole and is connected with the first pressure head.

In some alternative embodiments, a second pressure head is arranged on one side, facing the first pressure head, of the pressure bearing seat, and the second pressure head is detachably connected with the pressure bearing seat.

In order that the utility model may be more clearly understood, specific embodiments thereof will be described below with reference to the accompanying drawings.

Drawings

Fig. 1 is a schematic structural view of a press-fitting device according to a first embodiment of the present utility model;

fig. 2 is a schematic structural view of one side of a press-fitting device according to a first embodiment of the present utility model;

FIG. 3 is a cross-sectional view of a press-fitting apparatus according to a first embodiment of the present utility model;

FIG. 4 is a cross-sectional view of a first ram according to a first embodiment of the utility model;

FIG. 5 is an exploded view of a first ram according to a first embodiment of the utility model;

FIG. 6 is a cross-sectional view of a press-fitting apparatus according to a second embodiment of the present utility model;

fig. 7 is a schematic structural view of a protective sleeve according to a first embodiment of the present utility model;

fig. 8 is a cross-sectional view of a press-fitting apparatus according to a third embodiment of the present utility model.

Reference numerals illustrate:

10. a base; 11. a first substrate; 111. a guide hole; 12. a second substrate; 13. a connection part; 14. press-fitting the space; 15. an operation handle; 16. a magazine; 20. a first ram; 21. a body; 211. positioning columns; 212. a carrying part; 213. a guide post; 214. a support part; 215. a press-fitting portion; 216. an assembly seat; 217. a limit groove; 22. a protective sleeve; 221. a slider; 222. a mounting hole; 23. an elastic member; 30. a pressure-bearing seat; 31. a second ram; 40. a telescoping assembly; 50. a bushing.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model. In the description of the present utility model, unless otherwise indicated, the meaning of "plurality" is 2 or more, and the meaning of "several" is 1 or more.

Referring to fig. 1 and 2, fig. 1 is a schematic structural diagram of a press-fitting device according to a first embodiment of the present utility model, and fig. 2 is a schematic structural diagram of one side of the press-fitting device according to the first embodiment of the present utility model, the press-fitting device includes: the device comprises a base 10, a first pressure head 20, a pressure bearing seat 30 and a telescopic assembly 40;

the frame 10 includes first base member 11 and second base member 12, first base member 11 is connected with second base member 12 through connecting portion 13, be formed with pressure equipment space 14 between first base member 11 and the second base member 12, connecting portion 13 are located one side of pressure equipment space 14, connecting portion 13 are located only one side of pressure equipment space 14, and other adjacent three sides of pressure equipment space 14 all are provided with dodges the opening, communicate each other between the adjacent dodges the opening, thereby make the part that needs to be pressed into the part can stretch into pressure equipment space 14 from dodging the opening, avoid frame 10 and part interference each other and prevent the part to enter into pressure equipment space 14 in, for example, when needs to press bush 50 to the axle bed, the axle bed can enter into pressure equipment space 14 from dodging the opening, can not produce structural interference with frame 10, make the axle bed can enter into pressure equipment space 14 smoothly.

The first ram 20 is disposed on the first base 11, which is located in the press-fit space 14; the pressure-bearing seat 30 is arranged on the second base body 12, is positioned in the pressure-mounting space 14 and is arranged opposite to the first pressure head 20; the telescopic assembly 40 is arranged on the first base 11, is in transmission connection with the first ram 20, and drives the first ram 20 to approach or depart from the pressure bearing seat 30. In this embodiment, taking the example that the bushing 50 is pressed into the shaft seat as an example, the bushing 50 is placed on the first pressing head 20, the shaft seat extends into the press-fit space 14 and abuts against the pressure-bearing seat 30, and the telescopic assembly 40 drives the first pressing head 20 to move toward the pressure-bearing seat 30, so that the bushing 50 on the first pressing head 20 is pressed into the shaft seat. Of course, in other embodiments, the present application may also be used to press fit oil seals or other tubular, annular parts.

Referring to fig. 3 to 5, fig. 3 is a cross-sectional view of a press-fitting device according to the first embodiment of the present utility model, fig. 4 is a cross-sectional view of a first press-fitting head according to the first embodiment of the present utility model, fig. 5 is an exploded view of the first press-fitting head according to the first embodiment of the present utility model, and the structure of the first press-fitting head 20 may be selected to be suitable according to practical needs, for example, in some alternative embodiments, the first press-fitting head 20 includes a body 21, the body 21 is connected with a telescopic assembly 40, a positioning column 211 and a bearing portion 212 are formed on the body 21, the positioning column 211 is located at a side of the body 21 facing the press-fitting seat 30, the bearing portion 212 is disposed around the positioning column 211, the bearing portion 212 is used for applying pressure to a part to be press-fitted, one end of the part is located at the bearing portion 212, and the other end of the part faces the press-fitting seat 30, and when the part is press-fitted, the first press-fitting head 20 presses the part into a mounting position through the bearing portion 212. Of course, please refer to fig. 6, which is a cross-sectional view of a press-fitting apparatus according to a second embodiment of the present utility model, the first pressing head 20 may have other structures according to the structure of the pressed parts.

For some parts with weaker structures and thinner wall parts, such as thin-wall bushings, which are easy to deform and have higher rejection rate in the press fitting process, in order to solve the problem, in some alternative embodiments, the first pressure head 20 further includes a protective sleeve 22 and an elastic member 23, the protective sleeve 22 is sleeved on the body 21, a supporting space is formed between the inner wall of the protective sleeve 22 and the outer wall of the positioning column 211, the elastic member 23 is arranged between the protective sleeve 22 and the body 21, and when the first pressure head 20 moves towards the direction approaching the pressure-bearing seat 30 relative to the protective sleeve 22, the elastic member 23 is elastically deformed. The inner wall of the protective sleeve 22 can provide support to the outside of the part, the locating posts 211 extend into the part, and the outer wall can provide support to the inside of the part. In this embodiment, the installation hole 222 of the shaft seat is taken as an example for pressing the thin-wall bushing, when the thin-wall bushing is pressed into the shaft seat, the thin-wall bushing is sleeved on the body 21 and is located in the supporting space, the telescopic component 40 drives the body 21 to move towards the shaft seat, the protective sleeve 22 moves towards the installation hole 222 of the shaft seat along with the body 21, when the positioning column 211 and the thin-wall bushing extend into the installation hole 222 of the shaft seat, the protective sleeve 22 is abutted against the shaft seat, the protective sleeve 22 stops moving due to the limitation of the shaft seat, when the positioning column 211 and the thin-wall bushing extend into the installation hole 222 continuously, the protective sleeve 22 supports and protects the outer side of the part of the thin-wall bushing which does not extend into the installation hole 222 at any time, the deformation of the thin-wall bushing is avoided, and the part of the thin-wall bushing extending into the installation hole 222 is tightly pressed on the outer side of the inner wall of the installation hole 222, and the positioning column 211 supports and protects the inner wall of the thin-wall bushing, so that the inner side and outer side of the thin-wall bushing is supported at any time in the pressing process of the thin-wall bushing, and the thin-wall bushing is not easy to deform. In addition, when the positioning post 211 and the thin-wall bushing extend into the mounting hole 222 of the shaft seat, the body 21 continues to move, the protective sleeve 22 stops moving due to the limitation of the shaft seat, so that the elastic member 23 is elastically deformed, and when the body 21 withdraws from the shaft seat after the thin-wall bushing is pressed, the elastic force of the elastic member 23 drives the protective sleeve 22 to reset.

The structure of the elastic member 23 may be appropriately designed according to practical needs, for example, the elastic member 23 may be a spring, in order to facilitate installation and fixation of the spring, in some alternative embodiments, the body 21 is formed with a guide post 213 and a support portion 214, the guide post 211, the bearing portion 212, the guide post 213 and the support portion 214 are sequentially arranged along a direction close to the bearing seat 30, the elastic member 23 is a spring, and is sleeved outside the guide post 213, two ends of the spring are respectively connected with the support portion 214 and the protective sleeve, when the guide post 211 and the thin-wall bushing extend into the installation hole 222 of the shaft seat, the protective sleeve 22 stops moving due to limitation of the shaft seat, and the support portion 214 presses the elastic member 23 onto the protective sleeve 22, so that the elastic member 23 is elastically deformed.

Referring to fig. 7 in conjunction with fig. 4 to 5, fig. 7 is a schematic structural diagram of a protective sleeve according to a first embodiment of the present utility model, in order to adapt different parts conveniently, so that a press-fitting device can press-fit the different parts, in some alternative embodiments, the body 21 includes a press-fitting portion 215 and an assembly seat 216, the press-fitting portion 215 is connected with the telescopic assembly 40 through the assembly seat 216, the press-fitting portion 215 is detachably connected with the assembly seat 216, and when the different parts need to be press-fitted, the press-fitting portion 215 can be replaced; the positioning columns 211 and the bearing parts 212 are formed on the press-fitting part 215, and the structures of the positioning columns 211 and the bearing parts 212 on different press-fitting parts 215 can be changed according to the design of different parts. In the present embodiment, the guide portion is formed on the press-fitting portion 215, and the support portion 214 is formed on the fitting portion, but of course, both the guide portion and the support portion 214 may be disposed on the fitting portion, or both the guide portion and the support portion 214 may be disposed on the press-fitting portion 215.

The detachable connection manner of the press-fitting portion 215 and the assembly seat 216 may be selected to have a proper design according to actual needs, for example, the press-fitting portion 215 is detachably connected with the assembly seat 216 through a threaded connection; alternatively, the insertion holes are provided in the press-fitting portion 215 and the fitting seat 216, and the pins are movably inserted through the insertion holes of the press-fitting portion 215 and the insertion holes of the fitting seat 216, thereby achieving fixation of the press-fitting portion 215 and the fitting seat 216, without being limited to this example.

In some alternative embodiments, the body 21 is provided with a limiting slot 217, the inner wall of the protective sleeve 22 is connected with a sliding piece 221, the sliding piece 221 stretches into the limiting slot 217, when the first pressure head 20 moves towards the direction approaching to the pressure bearing seat 30 relative to the protective sleeve 22, the sliding piece 221 moves along the limiting slot 217, and the limiting slot 217 limits the moving range of the protective sleeve 22 by limiting the moving range of the sliding piece 221, so that the protective sleeve 22 is prevented from being separated from the main body. In this embodiment, the limiting groove 217 is disposed on the guiding portion, the limiting groove 217 penetrates through two sides of the guiding portion, the sliding piece 221 is disposed in the limiting groove 217, two ends of the sliding piece 221 extend out of the limiting groove 217 and extend into the mounting hole 222 on the inner wall of the protective sleeve 22, so that assembly of the sliding piece 221 and the protective sleeve 22 is achieved, and production and assembly are facilitated.

To facilitate the movement of the stand 10 by the worker in order to bring the stand 10 to the correct press-fit position, in some alternative embodiments, the first base 11 and/or the second base 12 are provided with an operating handle 15. In the present embodiment, the first base 11 and the second base 12 are each provided with an operation handle 15.

In order to avoid the material being placed randomly for the material is difficult to fall, improves the security, in some alternative embodiments, frame 10 still includes magazine 16, and magazine 16 sets up on first base member 11, connecting portion 13 or second base member 12, and the material can be placed in magazine 16, makes things convenient for the stable holding of material. In the present embodiment, the cartridge 16 is provided on the first base 11.

The telescoping assembly 40 may be of a suitable design depending on the actual needs, and in some alternative embodiments, the telescoping assembly 40 is a hydraulic, pneumatic or electric cylinder. In the present embodiment, the telescopic assembly 40 is a hydraulic cylinder, and an output end thereof is connected to the fitting seat 216 of the body 21.

To facilitate assembly of the telescopic assembly 40, in some alternative embodiments, the first base 11 is provided with a guide hole 111, the guide hole 111 communicates with the press-fit space 14, and the first ram 20 partially protrudes into the guide hole 111; the telescopic assembly 40 is arranged on one side of the first base body 11 far away from the press-fit space 14, and the output end of the telescopic assembly 40 extends into the guide hole 111 to be connected with the first pressure head 20. Of course, the manner in which retraction assembly 40 is assembled is not limited thereto, and those skilled in the art can select other suitable manners in accordance with the teachings of the present utility model.

Referring to fig. 8, which is a cross-sectional view of a press-fit device according to the third embodiment of the present utility model, for some parts to be pressed into the parts, an adaptive structure is required to be provided on the press-fit seat 30 for positioning, or for some parts to be pressed into the parts on both sides, for convenience of press-fit, in some alternative embodiments, a second press head 31 is provided on a side of the press-fit seat facing the first press head 20, and the second press head 31 is detachably connected to the press-fit seat. The second pressure head 31 can be matched and positioned with the structure of the part pressed into the part, so that the part is more stable and is convenient to press; in addition, when the parts are required to be pressed into both sides of the component, the parts to be pressed can be placed on the second pressing head 31, so that the first pressing head 20 and the second pressing head 31 can be pressed simultaneously.

The structure of the second press 31 may be selected according to the structure of the part to be press-fitted, and the second press 31 may have a similar structure to the first press 20, for example, the second press 31 may also have a positioning column 211 and a bearing 212 similar to the first press 20.

The detachable connection mode of the second pressure head 31 and the pressure bearing seat can be selected to be of a proper design according to actual needs, for example, the second pressure head 31 is detachably connected with the pressure bearing seat through a threaded connector; or, the second pressing head 31 and the bearing seat are provided with insertion holes, and the bolt movably passes through the insertion holes of the second pressing head 31 and the insertion holes of the bearing seat, so that the second pressing head 31 and the bearing seat are fixed, and the embodiment is not limited.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. A press-fitting apparatus, comprising: the device comprises a machine base, a first pressure head, a pressure bearing seat and a telescopic component;

the machine base comprises a first base body and a second base body, wherein the first base body is connected with the second base body through a connecting part, a press-fit space is formed between the first base body and the second base body, the connecting part is positioned at one side of the press-fit space, avoidance openings are formed in three adjacent sides of the press-fit space, and the adjacent avoidance openings are communicated with each other;

the first pressure head is arranged on the first substrate and is positioned in the press-fit space;

the pressure bearing seat is arranged on the second base body, is positioned in the press-fit space and is arranged opposite to the first pressure head;

the telescopic component is arranged on the first base body and is in transmission connection with the first pressure head, and the telescopic component drives the first pressure head to be close to or far away from the pressure bearing seat.

2. A press-fit apparatus as claimed in claim 1, wherein: the first pressure head comprises a body, the body is connected with the telescopic component, a positioning column and a bearing part are formed on the body, the positioning column is located on one side of the body, facing the pressure bearing seat, and the bearing part surrounds the positioning column.

3. A press-fit apparatus as claimed in claim 2, wherein: the first pressure head still includes protective sheath and elastic component, the protective sheath cover is established on the body, the inner wall of protective sheath with be formed with the support space between the outer wall of reference column, the elastic component sets up the protective sheath with between the body, first pressure head is relative the protective sheath is to when being close to the direction of pressure-bearing seat removes, the elastic component produces elastic deformation.

4. A press-fit apparatus as claimed in claim 3, wherein: the body is provided with a guide column and a supporting part, the positioning column, the bearing part, the guide column and the supporting part are sequentially arranged along the direction close to the bearing seat, the elastic piece is a spring, the elastic piece is sleeved outside the guide column, and two ends of the elastic piece are respectively connected with the supporting part and the protective sleeve.

5. A press-fit apparatus as claimed in claim 2, wherein: the body comprises a press-fitting part and an assembly seat, wherein the press-fitting part is connected with the telescopic assembly through the assembly seat, the press-fitting part is detachably connected with the assembly seat, and the positioning column and the bearing part are formed on the press-fitting part.

6. A press-fit apparatus as claimed in claim 3, wherein: the body is provided with a limit groove, the inner wall of the protective sleeve is connected with a sliding part, the sliding part stretches into the limit groove, and when the first pressure head moves towards the direction close to the pressure bearing seat relative to the protective sleeve, the sliding part moves along the limit groove.

7. A press-fit device as claimed in any one of claims 1 to 6, wherein: an operating handle is arranged on the first base body and/or the second base body.

8. A press-fit device as claimed in any one of claims 1 to 6, wherein: the machine base further comprises a material box, and the material box is arranged on the first base body, the connecting part or the second base body.

9. A press-fit apparatus as claimed in claim 1, wherein: the first basal body is provided with a guide hole, the guide hole is communicated with the press-fit space, and the first pressure head part extends into the guide hole;

the telescopic component is arranged on one side, far away from the press-fit space, of the first base body, and the output end of the telescopic component stretches into the guide hole and is connected with the first pressure head.

10. A press-fit device as claimed in any one of claims 1 to 5, wherein: and a second pressure head is arranged on one side, facing the first pressure head, of the pressure bearing seat, and the second pressure head is detachably connected with the pressure bearing seat.