Automatic bushing press-fitting machine

By combining guide rods, movable plates, cross plates, and cylinders, the problem of repeated pressing of bushing pressing devices is solved, realizing fast and efficient bushing pressing and symmetrical positioning, and improving pressing quality.

CN116275979BActive Publication Date: 2026-02-06NANYANGWAY-ASSAUTOVAHICLESHOCKABSORBER CO LTD
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Patent Information

Application Number
CN202310012912.X
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-01-05
Publication Date
2026-02-06
Estimated Expiration
2043-01-05

AI Technical Summary

Technical Problem

Existing bushing pressing devices require repeated pressing to ensure symmetry, resulting in low efficiency and high time and labor costs.

Method used

The design employs a combination of guide rods, movable plates, cross plates, cylinders, and pressing mechanisms. Through the coordinated movement of the cylinders, the bushings are pressed quickly and positioned symmetrically. The reciprocating linear motion characteristics of the cylinders simplify the operation and improve pressing efficiency.

Benefits of technology

It enables rapid pressing and symmetrical positioning of bushings, improving pressing quality and efficiency, and reducing operational complexity and human error.

✦ Generated by Eureka AI based on patent content.

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    Figure CN116275979B_ABST
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Abstract

The application discloses a bushing automatic press-fitting machine, which comprises a guide rod, the surface of the guide rod is movably sleeved with a movable plate, the bottom of the movable plate is connected with a horizontal plate through bolts, the two sides of the bottom of the horizontal plate are both connected with first mounting plates through bolts, the bottom of the first mounting plate is connected with a first cylinder through bolts, the bottom end of the guide rod is connected with a bottom plate through bolts, the output end of the first cylinder is fixedly connected with the bottom plate, the bottom of the horizontal plate is connected with a second mounting plate through bolts, and the bottom of the second mounting plate is connected with a second cylinder through bolts. The bushing automatic press-fitting machine has the advantages of high press-fitting efficiency, can quickly press-fit the bushing, and has symmetrical press-fitting on both sides of the bushing, so that the press-fitting quality of the bushing is greatly improved.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of bushing press-fitting, in particular to a bushing automatic press-fitting machine. BACKGROUND

[0002] The rubber bushing assembly at both ends of the shock absorber needs to be press-fitted to the hanger ring to ensure the symmetry requirement, so as to be successfully mounted on the vehicle. When the bushing is press-fitted, a bushing press-fitting machine needs to be used.

[0003] The utility model patent with patent application publication number CN207309850U discloses a bushing press-fitting device, which comprises an oil press. The oil press has a downward first cylindrical press head. A support seat is arranged directly below the first cylindrical press head. The center of the support seat is provided with a second cylindrical press head. The second cylindrical press head is located directly below the first cylindrical press head. Spring guide columns are arranged on the support seats on both sides of the second cylindrical press head. The two spring guide columns are symmetrically arranged, and a supporting plate is connected between the top portions of the two spring guide columns. Linear bearings are symmetrically embedded at both ends of the supporting plate. The two linear bearings correspond to the two spring guide columns, and the spring guide columns are assembled in the corresponding linear bearings. A helical spring is sleeved on each spring guide column. The first end of the helical spring abuts against the support seat, and the second end of the helical spring abuts against the corresponding linear bearing. The bushing press-fitting of the two shaft pin holes of the steering knuckle can be realized at one time, and the press-fitting efficiency is improved.

[0004] However, the above-mentioned device still has some disadvantages in actual use. The more obvious one is that after the rubber bushing assembly is press-fitted into the hanger ring by the press head of the hydraulic machine, the rubber bushing assembly needs to be pressed twice to ensure the symmetry during the press-fitting process. The height of the second pressing needs to be controlled by the operator's eyes, which is difficult to ensure the symmetry. Some products need to be pressed repeatedly for several times, which is time-consuming and laborious.

[0005] Therefore, it is necessary to invent a bushing automatic press-fitting machine to solve the above-mentioned problems. SUMMARY

[0006] The present application aims to provide a bushing automatic press-fitting machine, which has the advantages of efficient press-fitting and solves the problem that the existing bushing press-fitting device needs to press the bushing repeatedly for several times during use.

[0007] In order to achieve the above object, the present application provides the following technical scheme: the bushing automatic press fitting machine, including the guide rod, the surface of the guide rod is movably sleeved with the movable plate, the bottom of the movable plate is connected with the horizontal plate through the bolt, the both sides of the horizontal plate bottom are connected with the first mounting plate through the bolt, the bottom of the first mounting plate is connected with the first cylinder through the bolt, the bottom end of the guide rod is connected with the bottom plate through the bolt, the output end of the first cylinder is fixedly connected with the bottom plate, the bottom of the horizontal plate is connected with the second mounting plate through the bolt, the bottom of the second mounting plate is connected with the second cylinder through the bolt, the top end of the guide rod is connected with the press fitting mechanism through the bolt, the output end of the second cylinder penetrates the second mounting plate and is fixedly connected with the lower press fitting block, the both sides of the top of the movable plate are connected with the first connecting plate through the bolt, the top of the first connecting plate is connected with the second connecting plate through the bolt, the opposite side of the second connecting plate is connected with the placing plate through the bolt.

[0008] Preferably, the press fitting mechanism comprises a top plate, the top plate is fixedly connected with the guide rod through the bolt, a guide cylinder is arranged through the top of the top plate, and an upper press fitting block is arranged through the top of the guide cylinder.

[0009] Preferably, the second connecting plate is movably connected with the guide rod through the linear bearing, and the bottom end of the guide rod penetrates the first connecting plate and the horizontal plate in sequence.

[0010] Preferably, the top of the movable plate and the top of the horizontal plate are both provided with a through hole matched with the lower press fitting block, and the top of the lower press fitting block penetrates the through hole.

[0011] Preferably, the bottom of the second cylinder is connected with a movable block through the bolt, and the top of the bottom plate is provided with a circular hole.

[0012] Preferably, the placing plate is located at the bottom of the press fitting mechanism, and the placing plate is located at the top of the lower press fitting block.

[0013] Compared with the prior art, the present application has the following advantages:

[0014] The present application has the advantages of efficient press fitting by the cooperation of the guide rod, the movable plate, the horizontal plate, the first cylinder, the bottom plate, the second cylinder, the press fitting mechanism and the lower press fitting block, can quickly press fit the bushing, and the press fitting of the bushing on both sides is symmetrical, thereby greatly improving the press fitting quality of the bushing. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural cross-sectional view of the present application;

[0016] Figure 2 It is a structural right view of the present application;

[0017] Figure 3It is a partial structure perspective view of the application.

[0018] Figure 4 It is a structure perspective view of the application.

[0019] In the figure: 1 guide rod, 2 movable plate, 3 cross plate, 4 first mounting plate, 5 first air cylinder, 6 bottom plate, 7 second mounting plate, 8 second air cylinder, 9 pressing mechanism, 10 lower pressing block, 11 first connecting plate, 12 second connecting plate, 13 placing plate, 14 top plate, 15 guide cylinder, 16 upper pressing block, 17 movable block, 18 round hole. DETAILED DESCRIPTION

[0020] Please refer to Figures 1-4 The bushing automatic pressing machine comprises a guide rod 1, the surface of the guide rod 1 movably sheathed with a movable plate 2, the bottom of the movable plate 2 is bolted with a cross plate 3, the bottom of the cross plate 3 is bolted with a first mounting plate 4 on both sides, the bottom of the first mounting plate 4 is bolted with a first air cylinder 5, the air cylinder refers to a cylindrical metal machine part for guiding the piston to make linear reciprocating motion in the cylinder, and the air cylinder is a pneumatic actuator for converting the pressure energy of compressed gas into mechanical energy in pneumatic transmission, the air cylinder has two types of reciprocating linear motion and reciprocating swing, the air cylinder is composed of a cylinder, an end cover, a piston, a piston rod and a sealing element, compared with an electric actuator, the air cylinder can work reliably under harsh conditions, and is simple to operate, basically can realize maintenance-free, the air cylinder is good at reciprocating linear motion, especially suitable for the most transmission requirements in industrial automation, for example, linear handling of workpieces, and moreover, only adjusting the one-way throttle valve installed on both sides of the air cylinder can simply realize stable speed control, which also becomes the biggest feature and advantage of the air cylinder driving system, so for users without multi-point positioning requirements, most people tend to use the air cylinder from the perspective of use convenience, the bottom end of the guide rod 1 is bolted with a bottom plate 6, the output end of the first air cylinder 5 is fixedly connected with the bottom plate 6, the bottom of the cross plate 3 is bolted with a second mounting plate 7, the bottom of the second mounting plate 7 is bolted with a second air cylinder 8, the top end of the guide rod 1 is bolted with a pressing mechanism 9, the output end of the second air cylinder 8 penetrates through the second mounting plate 7 and is fixedly connected with a lower pressing block 10, both sides of the top of the movable plate 2 are bolted with a first connecting plate 11, the top of the first connecting plate 11 is bolted with a second connecting plate 12, and the opposite side of the second connecting plate 12 is bolted with a placing plate 13.

[0021] The pressing mechanism 9 comprises a top plate 14, the top plate 14 is fixedly connected with the guide rod 1 through bolts, the top of the top plate 14 is provided with a guide cylinder 15 penetratingly, and the top of the guide cylinder 15 is provided with an upper pressing block 16 penetratingly.

[0022] The second connecting plate 12 is movably connected with the guide rod 1 through a linear bearing, and the bottom end of the guide rod 1 penetrates through the first connecting plate 11 and the cross plate 3 in sequence.

[0023] The top of the movable plate 2 and the top of the horizontal plate 3 are provided with through holes matched with the pressing block 10, and the top of the pressing block 10 penetrates the through holes, so that the pressing block 10 is not hindered when moving up and down, thereby improving the subsequent pressing effect.

[0024] The bottom of the second cylinder 8 is connected with a movable block 17 through bolts, and the top of the bottom plate 6 is provided with a circular hole 18.

[0025] The placement plate 13 is located at the bottom of the pressing mechanism 9, and the placement plate 13 is located at the top of the pressing block 10.

[0026] Embodiment one:

[0027] The bushing automatic pressing machine comprises a guide rod 1, the surface of the guide rod 1 movably sleeved with a movable plate 2, the bottom of the movable plate 2 connected with a horizontal plate 3 through bolts, the bottom of the horizontal plate 3 connected with a first mounting plate 4 on both sides through bolts, the bottom of the first mounting plate 4 connected with a first cylinder 5 through bolts, the cylinder refers to a cylindrical metal machine part guiding the piston to make linear reciprocating motion in the cylinder, and the cylinder is a pneumatic actuator converting the pressure energy of compressed gas into mechanical energy in the pneumatic transmission, the cylinder has two types of reciprocating linear motion and reciprocating swing, and the cylinder is composed of a cylinder, an end cover, a piston, a piston rod and a sealing element, compared with an electric actuator, the cylinder can work reliably under harsh conditions, and operation is simple, and basically maintenance-free can be realized, the cylinder is good at reciprocating linear motion, and is especially suitable for the most conveying requirements in industrial automation, for example, linear conveying of workpieces, and moreover, stable speed control can be simply realized by only adjusting the one-way throttling valve installed on both sides of the cylinder, which also becomes the biggest feature and advantage of the cylinder driving system, so for users without multi-point positioning requirements, most users tend to use the cylinder from the perspective of use convenience, the bottom end of the guide rod 1 is connected with a bottom plate 6 through bolts, the output end of the first cylinder 5 is fixedly connected with the bottom plate 6, the bottom of the horizontal plate 3 is connected with a second mounting plate 7 through bolts, the bottom of the second mounting plate 7 is connected with a second cylinder 8 through bolts, the top end of the guide rod 1 is connected with a pressing mechanism 9 through bolts, the output end of the second cylinder 8 penetrates the second mounting plate 7 and is fixedly connected with a pressing block 10, both sides of the top of the movable plate 2 are connected with a first connecting plate 11 through bolts, the top of the first connecting plate 11 is connected with a second connecting plate 12 through bolts, and the opposite side of the second connecting plate 12 is connected with a placement plate 13 through bolts.

[0028] The pressing mechanism 9 comprises a top plate 14, the top plate 14 is fixedly connected with the guide rod 1 through bolts, the top of the top plate 14 is provided with a guide cylinder 15 penetratingly arranged, and the top of the guide cylinder 15 is provided with an upper pressing block 16 penetratingly arranged.

[0029] The second connecting plate 12 is movably connected with the guide rod 1 through a linear bearing, and the bottom end of the guide rod 1 penetrates the first connecting plate 11 and the horizontal plate 3 in turn.

[0030] Embodiment two:

[0031] The bushing automatic press fitting machine comprises a guide rod 1, the surface of the guide rod 1 movably sheaths a movable plate 2, the bottom of the movable plate 2 is connected with a horizontal plate 3 through bolts, the bottom of the horizontal plate 3 is connected with first mounting plates 4 through bolts on both sides, the bottom of the first mounting plate 4 is connected with a first air cylinder 5 through bolts, the air cylinder refers to a cylindrical metal machine part for guiding the linear reciprocating motion of a piston in a cylinder, and is a pneumatic actuator for converting the pressure energy of compressed gas into mechanical energy in a pneumatic transmission system, the air cylinder has two types of reciprocating linear motion and reciprocating swing, and is composed of a cylinder, an end cover, a piston, a piston rod and a sealing element, compared with an electric actuator, the air cylinder can reliably work in harsh conditions, and is simple to operate, basically realizes maintenance-free, is good at reciprocating linear motion, and is especially suitable for the most conveying requirements in industrial automation, for example, linear conveying of workpieces, and moreover, stable speed control can be simply realized by only adjusting a one-way throttling valve installed on both sides of the air cylinder, which also becomes the biggest feature and advantage of the air cylinder driving system, so for users without multi-point positioning requirements, most people tend to use the air cylinder from the perspective of use convenience, the bottom end of the guide rod 1 is connected with a bottom plate 6 through bolts, the output end of the first air cylinder 5 is fixedly connected with the bottom plate 6, the bottom of the horizontal plate 3 is connected with a second mounting plate 7 through bolts, the bottom of the second mounting plate 7 is connected with a second air cylinder 8 through bolts, the top end of the guide rod 1 is connected with a press fitting mechanism 9 through bolts, the output end of the second air cylinder 8 penetrates the second mounting plate 7 and is fixedly connected with a lower press fitting block 10, the two sides of the top of the movable plate 2 are connected with first connecting plates 11 through bolts, the top of the first connecting plate 11 is connected with a second connecting plate 12 through bolts, and the opposite side of the second connecting plate 12 is connected with a placing plate 13 through bolts.

[0032] The top of the movable plate 2 and the top of the horizontal plate 3 are both provided with a through hole matched with the lower press fitting block 10, and the top of the lower press fitting block 10 penetrates the through hole, so that the lower press fitting block 10 is not hindered when moving up and down, thereby improving the subsequent press fitting effect.

[0033] The bottom of the second air cylinder 8 is connected with a movable block 17 through bolts, and the top of the bottom plate 6 is provided with a circular hole 18.

[0034] The placing plate 13 is located at the bottom of the press fitting mechanism 9, and the placing plate 13 is located at the top of the lower press fitting block 10.

[0035] The bushing automatic press fitting machine uses the following steps:

[0036] A: The shock absorber lifting ring to be pressed is placed on the top of the placement plate 13, and then the bushing is placed on the top of the shock absorber lifting ring, and the top of the upper pressing block 16 is connected and fixed between the external hydraulic cylinder;

[0037] B: The external controller controls the operation of the hydraulic cylinder at the top of the upper pressing block 16, and the hydraulic cylinder drives the upper pressing block 16 to move downward, and the upper pressing block 16 presses the bushing into the interior of the shock absorber lifting ring;

[0038] C: Then the external controller controls the first cylinder 5 to extend, and the output end of the first cylinder 5 extends, at this time the top of the first cylinder 5 drives the first mounting plate 4 to move upward, the first mounting plate 4 drives the cross plate 3 to move upward, the cross plate 3 drives the movable plate 2 to move upward, the movable plate 2 drives the first connecting plate 11 and the second connecting plate 12 to move upward, the second connecting plate 12 drives the placement plate 13 to move upward, and the placement plate 13 drives the shock absorber lifting ring to move upward, thereby limiting and fixing the bushing;

[0039] D: Then the external controller controls the second cylinder 8 to extend, and the output end of the second cylinder 8 drives the lower pressing block 10 to move, and the lower pressing block 10 moves upward, and the lower pressing block 10 adjusts the bottom of the bushing to make the bushing in the shock absorber lifting ring to be in a symmetrical state, and after the adjustment is completed, the external controller controls the first cylinder 5 to contract, and the first cylinder 5 drives the movable plate 2, the first connecting plate 11 and the second connecting plate 12 to move downward, thereby releasing the shock absorber lifting ring.

[0040] In summary: The bushing automatic pressing machine, through the cooperation of the guide rod 1, the movable plate 2, the cross plate 3, the first cylinder 5, the bottom plate 6, the second cylinder 8, the pressing mechanism 9 and the lower pressing block 10, solves the problem that the existing bushing pressing device needs to repeatedly press the bushing multiple times during use.

Claims

1. Automatic press-fitting machine for bushings, comprising a guide rod (1), characterized in that The surface movable sleeve of the guide rod (1) is provided with a movable plate (2), the bottom of the movable plate (2) is connected with a horizontal plate (3) through bolts, both sides of the bottom of the horizontal plate (3) are connected with first mounting plates (4) through bolts, the bottom of the first mounting plate (4) is connected with a first cylinder (5) through bolts, the bottom end of the guide rod (1) is connected with a bottom plate (6) through bolts, the output end of the first cylinder (5) is fixedly connected with the bottom plate (6), the bottom of the horizontal plate (3) is connected with a second mounting plate (7) through bolts, the bottom of the second mounting plate (7) is connected with a second cylinder (8) through bolts, the top end of the guide rod (1) is connected with a press-fitting mechanism (9) through bolts, the output end of the second cylinder (8) penetrates through the second mounting plate (7) and is fixedly connected with a lower press-fitting block (10), both sides of the top of the movable plate (2) are connected with first connecting plates (11) through bolts, the top of the first connecting plate (11) is connected with a second connecting plate (12) through bolts, the opposite side of the second connecting plate (12) is connected with a placing plate (13) through bolts. The press-fitting mechanism (9) comprises a top plate (14), the top plate (14) is fixedly connected with the guide rod (1) through bolts, the top of the top plate (14) is provided with a guide cylinder (15) penetratingly, the top of the guide cylinder (15) is provided with an upper press-fitting block (16) penetratingly. The top of the movable plate (2) and the top of the horizontal plate (3) are both provided with through holes matched with the lower press-fitting block (10), the top of the lower press-fitting block (10) penetrates through the through hole.

2. The automatic bushing press-fitting machine according to claim 1, characterized in that The second connecting plate (12) is movably connected with the guide rod (1) through a linear bearing, the bottom end of the guide rod (1) penetrates through the first connecting plate (11) and the horizontal plate (3) in sequence.

3. The automatic bushing press-fitting machine according to claim 1, characterized in that The bottom of the second cylinder (8) is connected with a movable block (17) through bolts, the top of the bottom plate (6) is provided with a circular hole (18).

4. The automatic bushing press-fitting machine according to claim 1, characterized by The placing plate (13) is located at the bottom of the press-fitting mechanism (9), and the placing plate (13) is located at the top of the lower press-fitting block (10).

Citation Information

Patent Citations

  • Bushing pressing device

    CN207309850U

  • Bush fixing press-mounting machine for automobile gearbox

    CN102528430A

  • Bushing block press-mounting device of shock absorber assembly

    CN202292038U