A pneumatic press machine for automobile shock absorber screw sleeves

Abstract

The utility model relates to a pneumatic press machine for automobile shock absorber screw sleeves, which belongs to the technical field of screw sleeve assembly. A groove for placing the shock absorber is provided on a lower die seat. The shock absorber to be press-fitted is correctly placed in the groove, the screw sleeve is sleeved onto the lower end of an upper punch, and a manual switch is toggled by the left hand. At this time, an extended shaft of the cylinder drives the upper punch to move downward slowly, and the screw sleeve is correctly pressed into an inner hole of the shock absorber. The length of the lower end of the upper punch is set to be the same as that of the screw sleeve, and the screw sleeve can be pressed into the inner hole of the shock absorber at one time. Due to the provision of a filter valve and an air distribution valve, the pressure gas source in the air pressure pump slowly enters the cylinder, and the extended shaft of the cylinder moves downward slowly, which can effectively prevent the shock absorber and the bushing from being crushed, and prevent excessive movement from injuring fingers. The manual switch is toggled back to its original position, and the extended shaft of the cylinder drives the upper punch to reset, completing a press-fitting action. The upper punch can be designed and replaced according to the product size, which is convenient to operate and has a wide range of uses.

Description

Technical Field

[0001] The utility model relates to a pneumatic press-fitting machine for a shock absorber screw sleeve for an automobile, belonging to the technical field of screw sleeve assembly. Background Art

[0002] The assembly process is a process of assembling several parts into a component or assembly, or assembling several parts and assemblies into a machine according to certain technical requirements. Parts are the smallest units that make up a machine or product. The assembly process is an important and final link in the mechanical manufacturing production process. The quality of mechanical products must be ultimately guaranteed by assembly. The structure and assembly process of mechanical products are the prerequisites for ensuring assembly quality, and the management and control of the assembly process are necessary conditions for ensuring assembly quality.

[0003] The assembly process includes assembly, adjustment, inspection and testing, and its workload accounts for a large proportion of the total workload of mechanical manufacturing. The general term for these interrelated dimensions. The more complex the product structure, the higher the precision and other technical conditions, the more complex the assembly process and the greater the assembly workload.

[0004] The Chinese invention patent discloses a multi-purpose shock absorber bushing press machine, with application publication number CN103737287A. The structure is described as follows: 4 support rods 2 are arranged on the bottom surface of the base 1, a fixed plate 3 is arranged in the middle of the 4 support rods 2, a positioning seat 4 is arranged on the fixed plate 3, and a positioning block 5 is embedded on the positioning seat 4; a top plate 6 is arranged on the top of the 4 support rods 2, a push cylinder 7 passes through the middle of the top plate, and a push block 8 is arranged below the push cylinder 7; a start button 9 and a stop button 10 are arranged on the right side of the base 1 in sequence. Safety sensing devices 11 are arranged on both sides of the base 1. The positioning block 5 and the push block 8 correspond to each other up and down. The shock absorber with the bushing is positioned by the positioning seat with replaceable different positioning blocks arranged on the base, and then the push cylinder with replaceable different push blocks arranged on the top plate is used for press fitting. The whole device is simple and easy to operate, and can press fitting different types of shock absorber bushings, which is very convenient and suitable for production.

[0005] The disadvantage of this patent is that the pushing cylinder 7 is not provided with any measures to reduce the flow air pressure. The pushing cylinder 7 is directly connected to the external high-pressure air pump through a rubber air pipe, which will cause the pushing cylinder 7 to drive the pushing block 8 to quickly descend and press toward the positioning block 5. The speed is too fast, which may cause the risk of crushing the shock absorber and the bushing, as well as the hidden danger of injury, and the patent has a single purpose. Summary of the invention

[0006] In order to solve the problems existing in the prior art, the purpose of the utility model is to provide a pneumatic pressing machine for automobile shock absorber sleeves. Due to the arrangement of a filter valve and an air distribution valve, the pressure air source in the air pump slowly enters the cylinder, and the extended shaft of the cylinder slowly moves downward, which can effectively prevent the shock absorber and the bushing from being crushed, and prevent people's fingers from being injured by excessive movement. After the pressing is completed, the manual switch is turned back to its original position, and the extended shaft of the cylinder drives the upper punch to reset, completing a pressing action. The upper punch can be designed and replaced according to the product size, which is convenient to operate, one machine has multiple uses, and has a wide range of uses.

[0007] A pneumatic press for automobile shock absorber screw sleeves, characterized in that it includes a cylinder 1, support columns 4, a support base plate 6, and an upper top plate 11; the upper top plate 11 is fixedly provided above the support base plate 6 by four groups of left and right support columns 4, a manual switch 5 and a positioning seat 8 are provided above the support base plate 6 by screws, a lower die seat 9 is connected to the positioning seat 8 by threads, a cylinder 1 is provided on the top of the upper top plate 11 by screws, and the extending shaft of the cylinder 1 passes downward through the upper top plate 11 and is connected to the upper punch 10 by threads.

[0008] The left side of the upper top plate 11 is provided with a filter valve 3 by means of screws.

[0009] The rear side surface of the upper top plate 11 is provided with an air separation valve 2 via screws.

[0010] The air inlet nozzle on the right side of the filter valve 3 is connected to the rear side of the manual switch 5 through a rubber air pipe, and the front side of the manual switch 5 is connected to an external air pressure pump through a rubber air pipe.

[0011] The air outlet nozzle on the left side of the filter valve 3 is connected to the air inlet on the side of the air distribution valve 2 through a rubber air pipe.

[0012] The two groups of air outlets on the top of the air dividing valve 2 are connected to the air inlet and air outlet on the side of the cylinder 1 through rubber air pipes.

[0013] The bottom of the supporting base plate 6 is provided with four groups of mutually symmetrical supporting pads 7 through threads.

[0014] A groove for placing the shock absorber 12 is provided on the lower die base 9. The shock absorber 12 to be pressed is correctly placed in the groove, and the screw sleeve 13 is sleeved on the lower end of the upper punch 10. The left hand toggles the manual switch 5. At this time, the extended shaft of the cylinder 1 drives the upper punch 10 slowly downward to press the screw sleeve 13 correctly into the inner hole of the shock absorber 12. The length of the lower end of the upper punch 10 is set to be the same as the length of the screw sleeve 13, so that the screw sleeve 13 can be pressed into the inner hole of the shock absorber 12 at one time.

[0015] Due to the provision of the filter valve 3 and the air distributor valve 2, the pressure gas source in the air pump slowly enters the cylinder 1, and the extended shaft of the cylinder 1 slowly moves downward, which can effectively prevent the shock absorber and the bushing from being crushed, and prevent the fingers from being injured by excessive movement. After the press-fitting is completed, the manual switch 5 is turned back to the original position, and the extended shaft of the cylinder 1 drives the upper punch 10 to reset, completing a press-fitting action. The upper punch 10 can be designed and replaced according to the product size, which is convenient to operate and has a wide range of uses. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a front view of the utility model.

[0017] Figure 2 It is a left view of the utility model.

[0018] Figure 3 It is a three-dimensional diagram of the utility model.

[0019] Figure 4 It is a schematic diagram of the structure after the shock absorber 12 and the screw sleeve 13 are assembled.

[0020] Figure 5 It is a three-dimensional view of the screw sleeve 13.

[0021] In the figure: cylinder 1, air distribution valve 2, filter valve 3, support column 4, manual switch 5, support base plate 6, support pad 7, positioning seat 8, lower die seat 9, upper punch 10, upper top plate 11, shock absorber 12, screw sleeve 13. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] As attached Figure 1-3 As shown, a pneumatic press machine for automobile shock absorber screw sleeves includes a cylinder 1, a support column 4, a support base plate 6, and an upper top plate 11; the upper top plate 11 is fixedly provided above the support base plate 6 by four groups of left and right support columns 4, a manual switch 5 and a positioning seat 8 are provided above the support base plate 6 by screws, a lower die seat 9 is connected to the positioning seat 8 by threads, a cylinder 1 is provided on the top of the upper top plate 11 by screws, and an extension shaft of the cylinder 1 passes downward through the upper top plate 11 and is connected to the upper punch 10 by threads.

[0024] The left side of the upper top plate 11 is provided with a filter valve 3 by means of screws, the rear side of the upper top plate 11 is provided with an air dividing valve 2 by means of screws, the air inlet nozzle on the right side of the filter valve 3 is connected to the rear side of the manual switch 5 by means of a rubber air pipe, the front side of the manual switch 5 is connected to the external air pressure pump by means of a rubber air pipe, the air outlet nozzle on the left side of the filter valve 3 is connected to the side air inlet of the air dividing valve 2 by means of a rubber air pipe, and the two groups of air outlets on the top of the air dividing valve 2 are respectively connected to the air inlet and air outlet holes on the side of the cylinder 1 by means of rubber air pipes.

[0025] The bottom of the supporting base plate 6 is provided with four groups of mutually symmetrical supporting pads 7 through threads.

[0026] A groove for placing the shock absorber 12 is provided on the lower die base 9. The shock absorber 12 to be pressed is correctly placed in the groove, and the screw sleeve 13 is sleeved on the lower end of the upper punch 10. The left hand toggles the manual switch 5. At this time, the extended shaft of the cylinder 1 drives the upper punch 10 slowly downward to press the screw sleeve 13 correctly into the inner hole of the shock absorber 12. The length of the lower end of the upper punch 10 is set to be the same as the length of the screw sleeve 13, so that the screw sleeve 13 can be pressed into the inner hole of the shock absorber 12 at one time.

[0027] Figure 4 is a schematic diagram of the structure after the shock absorber 12 and the screw sleeve 13 are assembled. Figure 5 It is a three-dimensional view of the screw sleeve 13 before press-fitting.

[0028] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. A pneumatic press machine for automobile shock absorber screw sleeves, characterized in that: The utility model comprises a cylinder (1), a support column (4), a support base plate (6), and an upper top plate (11); the upper top plate (11) is fixedly provided above the support base plate (6) by four groups of left and right support columns (4); a manual switch (5) and a positioning seat (8) are provided above the support base plate (6) by screws; a lower die seat (9) is connected to the positioning seat (8) by threads; a cylinder (1) is provided on the top of the upper top plate (11) by screws; an extension shaft of the cylinder (1) passes downward through the upper top plate (11) and is connected to an upper punch (10) by threads.

2. The pneumatic press machine for automobile shock absorber screw sleeves according to claim 1, characterized in that: The left side of the upper top plate (11) is provided with a filter valve (3) via screws.

3. The pneumatic press machine for automobile shock absorber screw sleeves according to claim 2, characterized in that: An air separation valve (2) is provided on the rear side of the upper top plate (11) via screws.

4. The pneumatic press machine for automobile shock absorber screw sleeves according to claim 2, characterized in that: The air inlet nozzle on the right side of the filter valve (3) is connected to the rear side of the manual switch (5) through a rubber air pipe, and the front side of the manual switch (5) is connected to an external air pressure pump through a rubber air pipe.

5. The pneumatic press machine for automobile shock absorber screw sleeves according to claim 4, characterized in that: The air outlet nozzle on the left side of the filter valve (3) is connected to the air inlet on the side of the air distribution valve (2) through a rubber air pipe.

6. The pneumatic press machine for automobile shock absorber screw sleeves according to claim 3, characterized in that: The two groups of air outlets on the top of the air distribution valve (2) are respectively connected to the air inlet and the air outlet on the side of the cylinder (1) through rubber air pipes.

7. The pneumatic press machine for automobile shock absorber screw sleeves according to claim 1, characterized in that: The bottom of the supporting base plate (6) is provided with four groups of mutually symmetrical supporting pads (7) through threads.

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