CN221870962U - A rubber open bushing shrinking and pressing device - Google Patents

Abstract

The utility model discloses a rubber opening bushing shrinkage press-fitting device, including a connecting mechanism and a shrinkage mechanism, wherein the connecting mechanism includes a mounting frame, and a mounting seat for mounting the rubber opening bushing is provided in the mounting frame; the shrinkage mechanism includes a second pressing block fixed above one side of the mounting seat, and a first pressing block movably connected above the other side of the mounting seat, the movement direction of the first pressing block is the direction of approaching or moving away from the second pressing block, and semicircular opening grooves are provided on the opposite surfaces of the first pressing block and the second pressing block; when the first pressing block moves to fit with the second pressing block, the opening grooves of the first pressing block and the second pressing block are closed into a circular shrinkage space. The present application shrinks the bushing by controlling the movement of the second pressing block, and the operation is convenient. The circular shrinkage space formed by the first pressing block and the second pressing block ensures the shrinkage effect of the bushing.

Description

A rubber open bushing shrinking and pressing device

Technical Field

The utility model relates to the technical field of control arm assembly, in particular to a rubber opening bushing shrinkage press-fitting device.

Background Art

In order to reduce the vibration of the car and increase the connection force, many connections between the chassis control arms of the car use rubber open bushings. The rubber open bushing consists of three parts: an inner core, rubber, and an outer shell. The rubber is located between the outer shell and the inner core, and the outer shell has an opening.

Press-fitting equipment is often used to install the rubber open bushing into the connection hole of the control arm. Since the rubber open bushing has an opening and a large outer diameter, it is necessary to shrink the rubber open bushing. The shrunken rubber open bushing is shown in Figure 1, which can be easily press-fitted into the connection hole of the control arm. How to design a shrinking press-fitting device that can shrink the rubber open bushing before press-fitting is a problem we need to solve.

Summary of the invention

The utility model aims to provide a rubber opening bushing shrinkage press-fitting device to solve the problem of difficulty in press-fitting bushings without shrinkage in the prior art.

In order to achieve the above purpose, the utility model is implemented by adopting the following technical solutions:

A rubber open bushing shrinkage press-fitting device, comprising a connecting mechanism and a shrinkage mechanism, wherein the connecting mechanism comprises a mounting frame, and a mounting seat for mounting the rubber open bushing is arranged in the mounting frame;

The shrinking mechanism includes a second pressing block fixed on one side of the mounting seat, and a first pressing block movably connected to the other side of the mounting seat, the first pressing block moving in a direction close to or away from the second pressing block, and semicircular opening grooves are provided on the opposite surfaces of the first pressing block and the second pressing block;

When the first pressing block moves to fit with the second pressing block, the opening grooves of the first pressing block and the second pressing block are closed to form a circular shrinking space.

Furthermore, a positioning protrusion is provided in the opening groove of the first pressing block, and the end surface of the positioning protrusion is a conical surface.

Furthermore, a first cylinder is provided on the bottom surface of the mounting frame, and a top end of the first cylinder penetrates through the top surface of the mounting frame and is connected to the mounting seat.

Furthermore, a fixing seat for connecting the control arm is also provided in the installation frame, and the fixing seat is located above the installation seat, and the axes of the two coincide with each other.

Furthermore, the shape of the mounting frame is U-shaped, and connecting plates are slidably connected to the two side plates of the mounting frame, and the sliding direction of the connecting plates is perpendicular to the movement direction of the first pressing block;

The necking mechanism comprises a mounting plate for connecting the first pressing block and the second pressing block, and two ends of the mounting plate are connected to the connecting plate.

Furthermore, a second cylinder is connected to the mounting frame, and an output end of the second cylinder is connected to the mounting plate.

Furthermore, a connecting frame is fixed to one side of the mounting plate, a sliding member is slidably connected to the connecting frame, and the first pressing block is arranged at the end of the sliding member;

A third cylinder for driving the sliding member to move is also provided on the other side of the mounting plate.

Furthermore, the second pressing block is connected to a connecting seat, and the connecting seat is fixedly connected to a side surface of the connecting frame located on the sliding member.

Furthermore, a fixing plate is connected to the connecting seat, a long slot is provided on the fixing plate, and the second pressing block is connected to the fixing plate by bolts penetrating the long slot.

Furthermore, a detection mechanism for detecting the rubber opening bushing is also provided on one side of the mounting frame.

According to the above technical solution, the beneficial effects of the utility model are:

When in use, the rubber open bushing is placed on the mounting seat. The circular shrinkage space formed by the closing of the first pressure block and the second pressure block on both sides can press the outer shell and the rubber of the bushing onto the inner core, and close the opening on the outer shell. The outer cylindrical surface of the bushing after shrinkage is matched with the connecting hole of the control arm, and the control arm can be smoothly installed. The present application shrinks the bushing by controlling the movement of the second pressure block, which is easy to operate. The circular shrinkage space formed by the first pressure block and the second pressure block ensures the shrinking effect of the bushing.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic diagram of a rubber opening bushing after shrinking of the utility model;

Figure 2 is a schematic diagram of the overall structure of the utility model;

FIG3 is a schematic diagram of the partial structure of FIG2 of the utility model;

FIG4 is a schematic diagram of the structure of the necking mechanism in the utility model;

FIG5 is another schematic structural diagram of the necking mechanism in the present invention;

FIG6 is an enlarged view of point A in FIG5 ;

FIG. 7 is a schematic diagram of the detection mechanism in the present utility model.

Among them: 1. bracket; 2. connecting mechanism; 3. first cylinder; 31. mounting seat; 4. shrinking mechanism; 5. detection mechanism; 21. mounting frame; 211. fixing seat; 22. second cylinder; 23. connecting plate; 41. mounting plate; 411. fixing guide rod; 42. third cylinder; 43. connecting frame; 44. sliding member; 45. first pressure block; 46. connecting seat; 47. second pressure block; 48. fixing plate.

DETAILED DESCRIPTION

In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

It should be noted that in the description of the present invention, the directions or positional relationships indicated by the terms "front", "rear", "left", "right", "up", "down", "inside", "outside", etc. are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention rather than requiring that the present invention must be constructed and operated in a specific direction, and therefore cannot be understood as limiting the present invention. The terms "front", "rear", "left", "right", "up", and "down" used in the description of the present invention refer to the directions in the accompanying drawings, and the terms "inside" and "outside" refer to the directions toward or away from the geometric center of a specific component, respectively.

The outer ring size of the unshrinkable rubber open bushing is larger than the size of the control arm connecting hole. At this time, it is difficult to insert the bushing into the connecting hole of the control arm, so the bushing needs to be shrunken. The bushing after shrinking is shown in Figure 1. The outer ring size is compatible with the size of the control arm connecting hole, so it can be easily pressed into the connecting hole of the control arm.

As shown in Figures 2 to 5, a rubber open bushing shrinkage press-fitting device includes a connecting mechanism 2 and a shrinkage mechanism 4. The connecting mechanism 2 includes a mounting frame 21. The mounting frame 21 is provided with a mounting seat 31 for mounting the rubber open bushing. Specifically, the mounting seat 31 has a supporting base plate. The outer diameter of the supporting base plate is larger than the size of the inner core of the bushing but smaller than the outer diameter of the bushing. A limiting column is provided at the center of the supporting base plate. The limiting column and the connecting hole of the inner core of the bushing are matched. When placing the bushing, the bushing is placed on the limiting column to realize the placement and installation of the bushing, and the shrinking action can be performed later.

The shrinking mechanism 4 includes a second pressing block 47 fixed on one side of the mounting seat 31, and a first pressing block 45 movably connected to the other side of the mounting seat 31. The movement direction of the first pressing block 45 is the direction of approaching or moving away from the second pressing block 47. Semicircular opening grooves are provided on the opposite surfaces of the first pressing block 45 and the second pressing block 47.

Before shrinking, the first pressure block 45 is away from the second pressure block 47, and the gap between the two is relatively large, which is convenient for the bushing to be placed on the mounting seat 31. During shrinking, the first pressure block is controlled to move toward the side close to the second pressure block. When the first pressure block 45 moves to fit with the second pressure block 47, the opening grooves of the first pressure block 45 and the second pressure block 47 are closed into a circular shrinking space for shrinking the bushing. The present application can ensure the shrinking effect of the bushing through the extrusion form and the circular shrinking space.

The bottom surface of the mounting frame 21 is provided with a first cylinder 3, and the top end of the first cylinder 3 penetrates to the top surface of the mounting frame 21 and is connected to the mounting seat 31. Since the outer diameter of the supporting bottom plate in the mounting seat 31 is larger than the size of the inner core of the bushing and smaller than the outer diameter of the bushing, when the first cylinder 3 performs a lifting action, the mounting seat 31 can be lifted upward to separate the entirety from the shrinking mechanism 4, and the shrunken bushing can be taken out. The bushing can also be taken out by controlling the first pressing block 45 to move away from the second pressing block 47. By using the lifting form of the first cylinder 3, there is a certain friction when the bushing is separated from the pressing block, which can better ensure the shrinking effect.

Furthermore, a fixing seat 211 for connecting the control arm is also provided in the mounting frame 21, and the fixing seat 211 is located above the mounting seat 31, and the axes of the two coincide. With this design, after the bushing is shrunken, the first cylinder 3 is controlled to work, so that the mounting seat 31 and the bushing after shrinking are lifted. When the bushing is lifted to the connection hole of the control arm, the bushing can be pushed into the connection hole by continuing the lifting action to directly complete the installation of the bushing after shrinking, thereby improving the efficiency of bushing installation. After the bushing enters the connection hole of the control arm, the first cylinder 3 is controlled to reset, and the next shrinking action can be performed.

In a further embodiment, a positioning protrusion is provided in the opening groove of the first pressing block 45, and the end face of the positioning protrusion is a conical surface. Since the first pressing block 45 is fixed, the purpose of designing the positioning protrusion is to position the bushing when installing the bushing. The conical surface at the end of the positioning protrusion is engaged in the opening of the bushing to ensure the positioning of the bushing and prevent the bushing from rotating during the shrinking process. The design of the conical surface minimizes the incomplete closure during the shrinking process, but the incomplete closure can be eliminated when the bushing is lifted by the first cylinder 3 and the bushing is separated from the two pressing blocks.

In one embodiment of the present application, the movable form of the first pressing block 45 is described. Specifically, the shrinking mechanism 4 includes a mounting plate 41, a connecting frame 43 is fixed to one side of the mounting plate 41, a sliding member 44 is slidably connected to the connecting frame 43, and the first pressing block 45 is arranged at the end of the sliding member 44; the other side of the mounting plate 41 is also provided with a third cylinder for driving the sliding member 44 to move. The third cylinder is actuated to drive the sliding member 44 to move, and the sliding member further drives the first pressing block 45 to move.

Further, as shown in Figures 3 and 4, the sliding member 44 includes a connecting plate and a sliding sleeve fixed on the connecting plate, the first pressure block 45 is connected to the end of the sliding sleeve, the output end of the third cylinder is fixedly connected to the connecting plate to drive the connecting plate to move, and in order to ensure the stability of the movement of the connecting plate, a fixed guide rod 411 is fixed on the mounting plate 41, and the sliding sleeve is slidably connected to the outer wall of the fixed guide rod 411.

The second pressing block 47 is connected to the connecting seat 46 , and the connecting seat 46 is fixedly connected to a side surface of the connecting frame 43 located on the sliding member 44 . At this time, the sliding sleeve passes through the connecting seat 46 and is slidably connected to the connecting seat 46 .

Furthermore, a fixing plate 48 is connected to the connection seat 46, and a long slot is provided on the fixing plate 48. The second pressing block 47 is connected to the fixing plate 48 by bolts passing through the long slot. Through the design of the long slot, the position of the second pressing block 47 can be finely adjusted before the shrinking work is performed.

In a further embodiment, the shrinking mechanism can be lifted so that the shrinking mechanism 4 and the mounting seat 31 rise synchronously to the control arm, and then the jacking action is performed to press the shrinking bushing into the connecting hole. This design can ensure that the bushing in the shrinking state is directly pressed into the connecting hole, and prevent the shrinking bushing from opening due to long-term non-pressurization.

The lifting of the necking mechanism is specifically designed as follows: the mounting frame 21 is U-shaped, and the two side plates of the mounting frame 21 are slidably connected with connecting plates 23, and the sliding direction of the connecting plates 23 is perpendicular to the movement direction of the first pressing block 45; the necking mechanism 4 includes a mounting plate 41 for connecting the first pressing block 45 and the second pressing block 47, and the two ends of the mounting plate 41 are connected to the connecting plate 23. The mounting frame 21 is also connected to the second cylinder 22, and the output end of the second cylinder 22 is connected to the mounting plate 41. The second cylinder 22 can be operated to lift the mounting plate 41, thereby completing the lifting of the necking mechanism 4.

Furthermore, a detection mechanism 5 for detecting the rubber opening bushing is also provided on one side of the mounting frame 21. The detection mechanism can be used to detect the bushing before shrinking, and can detect the appearance of the bushing by visual inspection.

It is known from common technical knowledge that the present invention can be implemented by other embodiments that do not deviate from its spirit or essential features. Therefore, the embodiments disclosed above are only illustrative in all respects and are not exclusive. All changes within the scope of the present invention or within the scope equivalent to the present invention are included in the present invention.

Claims (10)

1. The necking press-fitting device for the rubber opening bushing is characterized by comprising a connecting mechanism (2) and a necking mechanism (4), wherein the connecting mechanism (2) comprises a mounting frame (21), and a mounting seat (31) for mounting the rubber opening bushing is arranged in the mounting frame (21);

The necking mechanism (4) comprises a second pressing block (47) fixed above one side of the mounting seat (31) and a first pressing block (45) movably connected above the other side of the mounting seat (31), the moving direction of the first pressing block (45) is a direction close to or far away from the second pressing block (47), and semicircular open grooves are formed in opposite surfaces of the first pressing block (45) and the second pressing block (47);

When the first pressing block (45) moves to be attached to the second pressing block (47), the opening grooves of the first pressing block (45) and the second pressing block (47) are closed to form a circular necking space.

2. The shrinkage press-fitting device for the rubber opening bush according to claim 1, wherein a positioning lug is arranged in an opening groove of the first pressing block (45), and the end face of the positioning lug is a conical surface.

3. The shrinkage-fit press-fitting device for the rubber opening bush according to claim 1, wherein a first cylinder (3) is arranged on the bottom surface of the mounting frame (21), and the top end of the first cylinder (3) penetrates through the top surface of the mounting frame (21) and is connected with the mounting seat (31).

4. The shrinkage and press-fitting device for the rubber opening bush according to claim 1, wherein a fixing seat (211) for connecting the control arm is further arranged in the mounting frame (21), and the fixing seat (211) is positioned above the mounting seat (31) and the axes of the two are coincident.

5. The shrinkage and press-fitting device for the rubber opening bushing according to claim 1, wherein the mounting frame (21) is U-shaped, connecting plates (23) are connected to two side plates of the mounting frame (21) in a sliding manner, and the sliding direction of the connecting plates (23) is perpendicular to the moving direction of the first pressing block (45);

The necking mechanism (4) comprises a mounting plate (41) used for connecting the first pressing block (45) and the second pressing block (47), and two ends of the mounting plate (41) are connected with the connecting plate (23).

6. The shrinkage and press-fit device for the rubber opening bushing according to claim 5, wherein the mounting frame (21) is further connected with a second cylinder (22), and an output end of the second cylinder (22) is connected with the mounting plate (41).

7. The shrinkage and press fitting device for the rubber opening bushing according to claim 5, wherein a connecting frame (43) is fixed on one side surface of the mounting plate (41), a sliding piece (44) is connected to the connecting frame (43) in a sliding manner, and the first pressing block (45) is arranged at the tail end of the sliding piece (44);

The other side surface of the mounting plate (41) is also provided with a third air cylinder for driving the sliding piece (44) to move.

8. The device according to claim 7, wherein the second pressing block (47) is connected to a connection base (46), and the connection base (46) is fixedly connected to a side surface of the connection frame (43) located on the sliding member (44).

9. The shrinkage and press fitting device for the rubber opening bushing according to claim 8, wherein a fixing plate (48) is connected to the connecting seat (46), a long groove is formed in the fixing plate (48), and the second pressing block (47) penetrates through the long groove through a bolt to be connected to the fixing plate (48).

10. The shrinkage press-fitting device for the rubber opening bush according to claim 5, wherein a detection mechanism (5) for detecting the rubber opening bush is further provided on one side of the mounting frame (21).