CN221087884U

CN221087884U - Bush pressure head and pressing sleeve device

Info

Publication number: CN221087884U
Application number: CN202322693800.3U
Authority: CN
Inventors: 黄海军; 鲍方明; 张靖
Original assignee: Ninghai Jianxin Automation Equipment Co ltd
Current assignee: Ninghai Jianxin Automation Equipment Co ltd
Priority date: 2023-10-09
Filing date: 2023-10-09
Publication date: 2024-06-07
Anticipated expiration: 2033-10-09

Abstract

The application discloses a bushing pressure head and a pressing sleeve device, which belong to the field of assembly of automobile parts and comprise a pressing seat, wherein two sliding blocks are symmetrically arranged left and right on the pressing seat, one ends of the two sliding blocks are positioned in the pressing seat and are connected through connecting springs, the connecting ends of the two sliding blocks are connected with each other by virtue of the connecting springs, the two sliding blocks are far away from each other by applying force through the connecting springs, the other ends of the two sliding blocks penetrate out of the pressing seat and are extended ends, the extended ends of the sliding blocks are connected with gaskets, a distance for extending into the end parts of metal sheets exists between the gaskets and the bottom surface of the pressing seat, a pressing block is movably arranged above the pressing seat, the bottom of the pressing block extends into the pressing seat and is in contact connection with the connecting ends of the sliding blocks, and the pressing block is pressed down to drive the sliding blocks to be close to each other. The pressure head structure matched with the bushing structure is arranged, and when the bushing is pressed, the protection of the metal piece is achieved.

Description

Bush pressure head and pressing sleeve device

Technical Field

The application relates to the field of assembly of automobile parts, in particular to a bushing pressing head and a pressing sleeve device.

Background

The bushing can absorb and reduce vibration and jolt generated in the running process of the automobile through the characteristics of the elastic material of the bushing, and provide a stable suspension effect, so that the automobile is more comfortable and stable in the running process. As the car travels, the suspension system of the car emits some noise, and the shock absorbing bushings can reduce the noise by reducing friction and vibration with the ground, providing a quieter riding environment. The damping bushing provides proper elasticity, so that the posture adjustment of the automobile in the acceleration, braking and turning processes can be effectively controlled, and the running stability and safety are improved.

At present, a mode of press fitting is adopted for the assembly between the bushing and the frame, and related prior art is as a bushing press-in machine in China patent application, and application number is as follows: CN201310611025.0 discloses that a workbench is fixed on a frame of the machine, a workpiece placement table is fixed on the workbench, a first guide shaft is fixed on the workbench, the upper end of the first guide shaft is fixed on a top plate, a first linear shaft is inserted into the first guide shaft, the first linear shaft is fixed on a middle plate, a punching head is fixed on the lower end face of the middle plate, a piston rod of a hydraulic cylinder is fixed on the upper end face of the middle plate, and the hydraulic cylinder is fixed on the top plate; and a discharging mechanism is arranged below the workbench and is positioned right below the stamping head.

In order to be able to press the bushing into the frame without damage, the structure of the punch is preferably adapted to the top structure of the bushing. Compared with the common bushing structure, the bushing structure to be pressed is provided with the metal piece at the end part, wherein the rubber connected with the metal piece can generate certain deformation in the whole pressing process, so that the position and the angle of the metal piece are deflected to a certain extent. Care should be taken that the metal parts are not bent while the bushing is press fitted.

Disclosure of utility model

The application aims to solve the technical problems of providing a bushing pressure head and pressing sleeve device, wherein the pressure head structure matched with the bushing structure is arranged, and the protection of metal parts is realized when the bushing is pressed.

The application adopts the technical scheme that: the utility model provides a bush pressure head, includes presses the seat, press the seat bilateral symmetry install two sliders, the one end of two sliders is located to press the seat and is the link, the other end of two sliders wears out to press the seat outside for stretching out the end, the end that stretches out of slider is connected with the gasket, gasket and press to have between the seat bottom surface to supply the interval that the sheetmetal tip stretched into, press seat top movable mounting to have the briquetting, the briquetting bottom stretches into to press in the seat and be connected with the link contact of slider, the briquetting pushes down and drives the slider and be close to each other.

Compared with the prior art, the application has the advantages that firstly, the gasket is additionally arranged, and the interval exists between the gasket and the bottom surface of the pressing seat, so that the end part of the metal sheet can extend into the space between the gasket and the bottom surface of the pressing seat. In the application, the gasket is lined below the metal sheet, and plays a role in protecting the lining metal piece. Can play the influence of avoiding causing the damage to the gasket in the pressure equipment process. Secondly, the application designs the connection between the metal sheet and the gasket to be an automatic design. The pressing seat is additionally provided with the pressing block, the bottom of the pressing block stretches into the pressing seat to be in contact connection with the connecting end of the sliding block, and the pressing block is pressed down to drive the sliding blocks to be close to each other. Namely, under the condition that the stamping device works and presses down, the pressing block is contacted firstly, the pressing block is stressed to move downwards, namely, the two sliding blocks are pushed to be close to each other, and then the two sliding blocks close to each other extend into the lower part of the lining metal sheet, so that the protection of the lining metal sheet is realized. The application realizes the clamping protection of the metal piece while starting the press fitting.

In some embodiments of the application, the connecting ends of the two sliders are connected by a connecting spring, and the connecting spring applies force to keep the two sliders away from each other; the gasket is movably connected with the sliding block, and the gasket can float up and down relative to the sliding block under the stress. The gasket is designed to be of a floating structure in order to further adapt to deflection of the metal piece caused by deformation of the rubber piece in the stamping process.

In some embodiments of the application, the gasket is in an L-shaped structure, the upper part of the gasket is a connecting rod, the upper end of the connecting rod penetrates through the sliding block and is connected with the terminal, the connecting rod is a square rod, and the output end of the sliding block is provided with a square hole which is matched with the structure of the connecting rod.

In the application, the terminal realizes the connection of the connecting rod and the gasket, and the whole gasket is relatively movable, and the terminal only limits the lowest position of the stroke of the sliding block in the whole floating process. In the application, the square rod and the square hole are adopted to limit the rotation of the gasket when being stressed. The gasket provided by the application can float, but is prevented from losing the supporting effect on the metal piece of the bushing due to excessive flexibility.

In some embodiments of the application, the terminal is sleeved on the periphery of the connecting rod, and the outer diameter of the terminal is larger than the diameter of the square hole; one side of the terminal extends out of a baffle plate, and the baffle plate is positioned at the outer side of the output end of the sliding block. In the application, the baffle sheet plays a role of limiting the relative movement between the gasket and the sliding block which is not in a preset range.

In some embodiments of the present application, a limiting shaft is further disposed between the spacer and the slider, and an axial spring is sleeved on the limiting shaft, where the axial spring is located between the slider and the spacer, and the axial spring provides a force for restoring the spacer to an initial state. In the application, the elastic floating of the gasket in the preset travel range is further realized through the limiting shaft and the axial spring.

In some embodiments of the present application, the pressing block is in a stepped truncated cone structure, the upper end of the pressing block extends out of the pressing block from the top surface of the pressing block, and the lower end of the pressing block is limited in the pressing block. Through the structural design of briquetting itself, realize the assembly of briquetting, the motion stroke of restriction briquetting.

In some embodiments of the present application, the connecting end of the sliding block is provided with a first inclined plane, the first inclined plane is located at one side of the connecting end, which is close to the inner wall surface of the pressing seat, two supporting legs are arranged below the pressing block, the supporting legs are provided with second inclined planes, and the first inclined plane is in contact connection with the second inclined plane. In the application, the connecting spring applies force to the two sliding blocks so that the two sliding blocks are close to each other, and then the two sliding blocks close to each other also apply force to the support legs of the pressing block so that the pressing block moves upwards.

In some embodiments of the present application, a sliding groove is formed in the pressing seat, the sliding block is installed in the sliding groove, and the sliding block moves along the length direction of the sliding groove. The sliding groove is arranged to limit the movement direction of the sliding block.

In some embodiments of the present application, the bottom structure of the pressing seat is adapted to the top structure of the bushing, and the bottom surface of the pressing seat is further provided with a plug shaft adapted to the inner hole of the bushing. When the application is assembled with the bushing, the inserting shaft of the pressing seat can be inserted into the inner hole of the bushing to realize the coaxial positioning with the bushing, and the gasket is positioned at the periphery of the metal piece. Then, the pressing device is pressed down to drive the pressing block to be pressed down under the force, and the L-shaped gaskets move close to each other to clamp the metal sheets of the bushing, so as to clamp and protect the metal pieces.

The pressing sleeve device comprises a stamping device and a lining pressing head, wherein the stamping device is arranged above the lining pressing head, and the stamping device works to drive a gasket to move and insert into the lower part of a metal sheet of the lining through a pressing block.

The above embodiments may be arbitrarily combined on the basis of common knowledge in the art.

Drawings

The application will be described in further detail below in connection with the drawings and the preferred embodiments, but it will be appreciated by those skilled in the art that these drawings are drawn for the purpose of illustrating the preferred embodiments only and thus should not be taken as limiting the scope of the application. Moreover, unless specifically indicated otherwise, the drawings are merely schematic representations, not necessarily to scale, of the compositions or constructions of the described objects and may include exaggerated representations.

FIG. 1 is a schematic illustration of a bushing to be assembled in accordance with the present application;

FIG. 2 is a schematic diagram of the structure of the present application;

FIG. 3 is a cross-sectional view of the present application;

Fig. 4 is a schematic view of the internal structure of the present application.

Wherein, the reference numerals specifically explain as follows: 01. a bushing; 02. a metal sheet;

1. Pressing a base; 2. a slide block; 2a, a connecting end; 2b, an extended end; 3. a connecting spring; 4. a gasket; 41. a connecting rod; 5. briquetting; 6. a terminal; 7. a baffle; 8. a limiting shaft; 9. an axial spring; 10. a first inclined surface; 11. a support leg; 12. a second inclined surface; 13. a chute; 14. and (5) inserting a shaft.

Detailed Description

The present application will be described in detail with reference to the accompanying drawings.

The present application will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present application more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application.

A bushing ram, an embodiment of which is shown in fig. 2 and 3: including pressing seat 1, pressing seat 1 bilateral symmetry install two sliders 2, the one end of two sliders 2 is located and presses seat 1 and is link 2a, link 2a of two sliders 2 passes through link spring 3 and connects, link spring 3 application of force makes two sliders 2 keep away from each other, the other end of two sliders 2 wears out to pressing seat 1 outside for stretching out end 2b, the end 2b that stretches out of slider 2 is connected with gasket 4, gasket 4 and pressing seat 1 bottom surface between have the interval that supplies sheetmetal 02 tip to stretch into for the tip of sheetmetal 02 can stretch into between gasket 4 and the pressing seat 1 bottom surface. In the application, the gasket 4 is lined below the metal sheet 02, and plays a role in protecting the metal piece of the lining 01. Can play a role in avoiding damage to the gasket 4 in the press-fitting process.

The pressing seat 1 is movably provided with a pressing block 5 above, the bottom of the pressing block 5 extends into the pressing seat 1 to be in contact connection with the connecting end 2a of the sliding block 2, and the pressing block 5 is pressed down to drive the sliding block 2 to be close to each other. Namely, under the condition that the stamping device works and presses down, the pressing block 5 is contacted, the pressing block 5 is stressed to move downwards, namely, the two sliding blocks 2 are pushed to be close to each other, and then the two sliding blocks 2 close to each other extend into the lower part of the metal sheet 02 of the bushing 01, so that the protection of the metal sheet 02 of the bushing 01 is realized. The application realizes clamping protection of the metal piece and automatic design while starting press fitting.

In the second embodiment, as shown in fig. 2 to 3, the gasket 4 is movably connected with the slider 2, and the gasket 4 is stressed to be capable of floating up and down relative to the slider 2. The gasket 4 is designed to be a floating structure in order to further accommodate deflection of the metal piece due to deformation of the rubber piece during stamping.

The gasket 4 is of an L-shaped structure, the upper portion of the gasket 4 is provided with a connecting rod 41, the upper end of the connecting rod 41 penetrates through the sliding block 2 and is connected with the terminal 6, the connecting rod 41 is a square rod, and the output end of the sliding block 2 is provided with a square hole which is matched with the structure of the connecting rod 41.

In the present application, the terminal 6 achieves the connection of the connecting rod 41 with the pad 4, and the entire pad 4 is relatively movable, the terminal 6 limiting only the lowest position of travel of the slider 2 throughout the floating process. In the application, the rotation of the gasket 4 under the stress is limited by adopting the square rod and the square hole. The spacer 4 according to the application is capable of floating but is not so flexible that it loses its bearing function on the metal parts of the bushing 01.

The terminal 6 is sleeved on the periphery of the connecting rod 41, and the outer diameter of the terminal 6 is larger than the diameter of the square hole; one side of the terminal 6 extends out of a baffle 7, and the baffle 7 is positioned at the outer side of the output end of the sliding block 2. In the present application, the blocking piece 7 serves to restrict the relative movement between the spacer 4 and the slider 2 not within a preset range.

A limiting shaft 8 is further arranged between the gasket 4 and the sliding block 2, an axial spring 9 is sleeved outside the limiting shaft 8, the axial spring 9 is positioned between the sliding block 2 and the gasket 4, and the axial spring 9 provides a force for the gasket 4 to restore to an initial state. In the application, elastic floating of the gasket 4 in a preset stroke range is further realized through the limiting shaft 8 and the axial spring 9.

The other contents of the second embodiment are the same as those of the first embodiment.

In the third embodiment, as shown in fig. 2 to 4, the pressing block 5 is in a stepped truncated cone structure, the upper end of the pressing block 5 extends out of the pressing block 5 from the top surface of the pressing seat 1, and the lower end of the pressing block 5 is limited in the pressing seat 1. Through the structural design of briquetting 5 itself, realize the assembly of briquetting 5, restriction briquetting 5's motion stroke.

The connecting end 2a of the sliding block 2 is provided with a first inclined surface 10, the first inclined surface 10 is located at one side, close to the inner wall surface of the pressing seat 1, of the connecting end 2a, two supporting feet 11 are arranged below the pressing block 5, the supporting feet 11 are provided with second inclined surfaces 12, and the first inclined surface 10 is in contact connection with the second inclined surfaces 12. In the present application, the connecting spring 3 applies force to the two sliders 2 so that the two sliders 2 approach each other, and then the two sliders 2 approaching each other also apply force to the leg 11 of the pressing block 5 so that the pressing block 5 moves upward.

The pressing seat 1 is internally provided with a sliding groove 13, the sliding block 2 is arranged in the sliding groove 13, and the sliding block 2 moves along the length direction of the sliding groove 13. The direction of movement of the slide 2 is limited by the arrangement of the slide slot 13.

The bottom structure of the pressing seat 1 is adapted to the top structure of the bushing 01, and the bottom surface of the pressing seat 1 is also provided with an inserting shaft 14 which is adapted to the inner hole of the bushing 01. When the application is assembled with the bushing 01, the inserting shaft 14 of the pressing seat 1 is inserted into the inner hole of the bushing 01 to realize coaxial positioning with the bushing 01, and the gasket 4 is positioned on the periphery of the metal piece. Then, the pressing device is pressed down to drive the pressing block 5 to be pressed down under the force, the L-shaped gaskets 4 move close to each other to clamp the metal sheet 02 of the bushing 01, and the metal piece is clamped and protected.

The other contents of the third embodiment are the same as those of the first or second embodiments.

The pressing sleeve device comprises a stamping device and a lining pressing head, wherein the stamping device is arranged above the lining pressing head, and the stamping device works to drive a gasket 4 to move and insert into the lower part of a metal sheet 02 of a lining 01 through a pressing block 5.

The foregoing has outlined rather broadly the more detailed description of the application in order that the detailed description of the application that follows may be better understood, and in order that the present application may be better understood. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the application can be made without departing from the principles of the application and these modifications and adaptations are intended to be within the scope of the application as defined in the following claims.

Claims

1. The utility model provides a bush pressure head, its characterized in that includes presses seat (1), press seat (1) bilateral symmetry install two sliders (2), the one end of two sliders (2) is located and presses seat (1) and be link (2 a), the other end of two sliders (2) wears out to press seat (1) for stretching out end (2 b), the end (2 b) that stretches out of slider (2) is connected with gasket (4), gasket (4) and press seat (1) bottom surface between have the interval that supplies sheetmetal (02) tip to stretch into, press seat (1) top movable mounting has briquetting (5), briquetting (5) bottom stretches into in pressing seat (1) and link (2 a) contact connection of slider (2), briquetting (5) are pushed down and are driven slider (2) and are close to each other.

2. A bushing pressing head according to claim 1, characterized in that the connecting ends (2 a) of the two sliding blocks (2) are connected through a connecting spring (3), the connecting spring (3) applies force to enable the two sliding blocks (2) to be far away from each other, the gasket (4) is movably connected with the sliding blocks (2), and the gasket (4) can float up and down under the stress of the gasket (4) relative to the sliding blocks (2).

3. The bushing press head according to claim 2, wherein the spacer (4) has an L-shaped structure, the upper part of the spacer (4) is provided with a connecting rod (41), the upper end of the connecting rod (41) passes through the slider (2) and is connected with the terminal (6), the connecting rod (41) is a square rod, and the output end of the slider (2) is provided with a square hole corresponding to the structure of the connecting rod (41).

4. A bushing press according to claim 3, characterized in that the terminal (6) is sleeved on the outer periphery of the connecting rod (41), and the outer diameter of the terminal (6) is larger than the diameter of the square hole; one side of the terminal (6) extends out of a baffle (7), and the baffle (7) is positioned at the outer side of the output end of the sliding block (2).

5. A bushing pressing head according to claim 1, characterized in that a limiting shaft (8) is further arranged between the gasket (4) and the sliding block (2), an axial spring (9) is sleeved outside the limiting shaft (8), the axial spring (9) is located between the sliding block (2) and the gasket (4), and the axial spring (9) provides a force for restoring the gasket (4) to an initial state.

6. A bushing press according to claim 1, characterized in that the press block (5) has a stepped truncated cone structure, the upper end of the press block (5) extends out of the press block (5) from the top surface of the press block (1), and the lower end of the press block (5) is limited in the press block (1).

7. A bushing pressing head according to claim 1 or 6, characterized in that the connecting end (2 a) of the slider (2) is provided with a first inclined surface (10), the first inclined surface (10) is located at one side of the connecting end (2 a) close to the inner wall surface of the pressing seat (1), two supporting legs (11) are arranged below the pressing block (5), the supporting legs (11) are provided with second inclined surfaces (12), and the first inclined surface (10) is in contact connection with the second inclined surfaces (12).

8. The bushing pressing head according to claim 1, wherein the pressing seat (1) is internally provided with a sliding groove (13), the sliding block (2) is installed in the sliding groove (13), and the sliding block (2) moves along the length direction of the sliding groove (13).

9. A bushing pressing head according to claim 1, characterized in that the bottom structure of the pressing seat (1) is adapted to the top structure of the bushing (01), and the bottom surface of the pressing seat (1) is further provided with an inserting shaft (14) adapted to the inner hole of the bushing (01).

10. A sleeve pressing device which is characterized by comprising a punching device and a lining pressing head according to any one of claims 1-9, wherein the punching device is arranged above the lining pressing head, and the punching device works to drive a gasket (4) to move and insert under a metal sheet (02) of a lining (01) through a pressing block (5).