Automatic press-fitting device for bottom cover of oil storage cylinder of shock absorber

Abstract

The utility model provides an automatic press-fitting device for a bottom cover of an oil storage cylinder of a shock absorber, which relates to the technical field of press-fitting of shock absorbers and comprises a downward pressing mechanism, an adjusting mechanism is arranged at the bottom of the downward pressing mechanism, a positioning mechanism is arranged on the side surface of the adjusting mechanism, the downward pressing mechanism comprises an oil cylinder, a top plate is arranged in the middle of the oil cylinder, and the top plate is arranged on the top plate. Guide columns are arranged at the two ends of the top plate, and press-fitting plates are movably mounted on the outer walls of the guide columns. Lifting adjustment is achieved by pushing the top plate and the press-fitting plate through the oil cylinder, press-fitting work is facilitated, the guide column provides an effective guiding function in the lifting process, stability in the lifting process is guaranteed, the sensor provides a sensing feedback function in the lifting process conveniently, and the press-fitting precision is improved. The adjusting lead screw is driven by the adjusting motor to be conveniently adjusted to a proper position, then the pressing disc can conveniently conduct pressing work, the air cylinder acts to drive the second sliding rail sliding block to move backwards, the push-out function is conveniently achieved, and the efficient pressing function is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of shock absorber press-fitting, in particular to an automatic press-fitting device for a bottom cover of an oil storage cylinder of a shock absorber. Background Art

[0002] The air spring shock absorber body relies on the high-pressure gas injected between the bottom cover and the piston to form a high-low pressure chamber to provide shock absorption. In this process, the shock absorber oil storage cylinder and the bottom cover need to be accurately positioned and welded firmly. The relative position of the bottom cover has a great influence on the function of the product. There are also issues of transition fit and interference fit between the shock absorber oil storage cylinder and the bottom cover.

[0003] In the prior art, for example, the "shock absorber oil storage cylinder bottom cover press fitting tool" with Chinese patent number CN202240386U includes a bottom plate fixed on a press workbench, the tool also includes a bottom cover lower die fixed on the bottom plate, a threaded mandrel with the upper end fixedly connected to the press, a pressure head fixed at the bottom end of the threaded mandrel, a positioning block for positioning the oil storage cylinder in the oil storage cylinder assembly to be pressed and matching the clearance of the oil storage cylinder, and a locking block for locking the positioning block, the positioning block and the locking block are threadedly connected to the threaded mandrel, the bottom cover lower die is provided with a groove for positioning the bottom cover in the oil storage cylinder assembly and matching the bottom cover shape, and the threaded mandrel is coaxial with the bottom cover lower die. The tool can ensure the coaxiality of the bottom cover and the oil storage cylinder and improve the press fitting quality.

[0004] The existing automatic press-fitting equipment for the bottom cover of the oil storage cylinder of the shock absorber has the problems of low assembly efficiency, poor versatility, low product qualification rate, low safety of personnel operation and high labor intensity, which makes it difficult to ensure the stability of product performance. Utility Model Content

[0005] The purpose of the utility model is to solve the problems in the prior art of low assembly efficiency, poor versatility, low product qualification rate, low operating safety and high labor intensity, which make it difficult to ensure the stability of product performance, and to propose an automatic press-fitting device for the bottom cover of the shock absorber oil storage cylinder.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an automatic pressing device for the bottom cover of the shock absorber oil storage cylinder, including a pressing mechanism, an adjusting mechanism is arranged at the bottom of the pressing mechanism, a positioning mechanism is arranged at the side of the adjusting mechanism, the pressing mechanism includes an oil cylinder, a top plate is arranged in the middle of the oil cylinder, guide columns are arranged at both ends of the top plate, a pressing plate is movably installed on the outer wall of the guide column, a sensor is connected to one end of the pressing plate, the positioning mechanism includes an adjusting screw rod, an adjusting motor is arranged at the top of the adjusting screw rod, and a pressure plate is arranged at the bottom of the adjusting screw rod.

[0007] Preferably, the adjustment mechanism comprises a stepper motor, a coupling is provided at the bottom of the stepper motor, and a ball screw is provided at the bottom of the coupling.

[0008] Preferably, a clamping mechanism is provided on the side of the positioning mechanism, and the clamping mechanism comprises an expansion cylinder, a base is provided on the side of the expansion cylinder, and clamping blocks are provided at both ends of the expansion cylinder.

[0009] Preferably, a supporting mechanism is provided at the bottom of the pressing mechanism, supporting legs are provided at four corners of the bottom of the supporting mechanism, and a bottom supporting rod is provided at one end of the supporting leg.

[0010] Preferably, a protective mechanism is provided on the top of the supporting mechanism, the protective mechanism is provided on the outside of the pressing mechanism, the protective mechanism comprises a protective frame, and a protective net is provided on the side of the protective frame.

[0011] Preferably, a sliding mechanism is provided at the top of the supporting mechanism, the sliding mechanism is provided at the bottom of the positioning mechanism, the sliding mechanism comprises a second slide rail slider, and the top of the second slide rail slider is provided at the bottom of the pressure plate.

[0012] Preferably, a linear bearing is provided at the bottom of the ball screw, and a first slide rail slider is provided on the side of the expansion cylinder, and the first slide rail slider is arranged on the side of the linear bearing.

[0013] Preferably, a mounting plate is provided on the top of the supporting mechanism, and the top of the mounting plate is connected to the bottom of the protective frame.

[0014] Preferably, telescopic rods are provided at both ends of the expansion cylinder, and one end of the telescopic rod is connected to the side surface of the clamping block.

[0015] Preferably, a fixing block is provided between the bottom of the oil cylinder and the top of the pressing plate.

[0016] Compared with the prior art, the advantages and positive effects of the utility model are:

[0017] 1. In the utility model, the top plate and the pressing plate are pushed by the oil cylinder to achieve lifting and adjustment, which is convenient for pressing work. During the lifting process, the guide column provides an effective guiding effect to ensure stability during the lifting process. The sensor provides sensor feedback during the lifting process. The adjusting motor drives the adjusting screw rod to facilitate adjustment to a suitable position, which facilitates the pressing plate to perform pressing work. The second slide rail slider is driven to move backward by the cylinder action, which facilitates the pushing effect and realizes an efficient pressing function.

[0018] 2. In the utility model, the stepper motor is adjusted by a manual knob, and the stepper motor drives the ball screw to rotate through the coupling. The rotation of the ball screw drives the linear bearing to move up and down, and the lifting guide function is conveniently realized through the first slide rail slider. The linear bearing is fixed on the connecting plate to conveniently drive the expansion cylinder to move up and down. The base provides a stable support effect, and the clamping block cooperates with the telescopic control of the expansion cylinder to achieve the clamping effect, while achieving precise positioning and ensuring stability during the installation process. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a three-dimensional structural schematic diagram of the automatic press-fitting device for the bottom cover of the oil storage cylinder of the shock absorber proposed by the utility model;

[0020] Figure 2 The utility model provides a partial structural schematic diagram of an automatic press-fitting device for a bottom cover of an oil storage cylinder of a shock absorber.

[0021] Legend: 1. Pressing mechanism; 101. Cylinder; 102. Guide column; 103. Sensor; 104. Top plate; 2. Adjusting mechanism; 201. Stepping motor; 202. Coupling; 203. Ball screw; 204. Linear bearing; 205. First slide rail slider; 3. Positioning mechanism; 301. Adjusting screw; 302. Pressure plate; 4. Clamping mechanism; 401. Expanded cylinder; 402. Base; 403. Clamping block; 5. Protective mechanism; 501. Protective frame; 502. Protective net; 6. Sliding mechanism; 601. Second slide rail slider; 7. Supporting mechanism; 701. Bottom support rod. DETAILED DESCRIPTION

[0022] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0023] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure. Example

[0024] like Figure 1-Figure 2As shown, the utility model provides a technical solution: an automatic pressing device for the bottom cover of the shock absorber oil storage cylinder, comprising a pressing mechanism 1, an adjusting mechanism 2 is arranged at the bottom of the pressing mechanism 1, a positioning mechanism 3 is arranged on the side of the adjusting mechanism 2, the pressing mechanism 1 comprises an oil cylinder 101, a top plate 104 is arranged in the middle of the oil cylinder 101, guide pillars 102 are arranged at both ends of the top plate 104, a pressing plate is movably installed on the outer wall of the guide pillar 102, a sensor 103 is connected to one end of the pressing plate, the positioning mechanism 3 comprises an adjusting screw rod 301, an adjusting motor is arranged at the top of the adjusting screw rod 301, a pressure plate 302 is arranged at the bottom of the adjusting screw rod 301, a sliding mechanism 6 is arranged at the top of the supporting mechanism 7, the sliding mechanism 6 is arranged at the bottom of the positioning mechanism 3, the sliding mechanism 6 comprises a second slide rail slider 601, the top of the second slide rail slider 601 is arranged at the bottom of the pressure plate 302, and a fixing block is arranged between the bottom of the oil cylinder 101 and the top of the pressing plate.

[0025] In this embodiment, the top plate 104 and the pressing plate are pushed by the oil cylinder 101 to achieve lifting and adjustment, which is convenient for pressing work. During the lifting process, the guide column 102 provides an effective guiding effect to ensure stability during the lifting process. The sensor 103 facilitates the provision of sensor feedback during the lifting process. The adjusting motor drives the adjusting screw rod 301 to facilitate adjustment to a suitable position, which facilitates the pressing plate 302 to perform pressing work. The second slide rail slider 601 is driven backward by the cylinder action to facilitate the pushing effect. A fixed block is provided between the oil cylinder and the pressing plate, which is beneficial to further improve the overall stability, thereby ensuring that a smooth pressing effect can be achieved during the lifting process, and effectively preventing the dangerous situation of breakage caused by insufficient support stability during pressing. Example

[0026] like Figure 1-Figure 2As shown, the adjusting mechanism 2 includes a stepping motor 201, a coupling 202 is provided at the bottom of the stepping motor 201, a ball screw 203 is provided at the bottom of the coupling 202, a clamping mechanism 4 is provided on the side of the positioning mechanism 3, the clamping mechanism 4 includes an expansion cylinder 401, a base 402 is provided on the side of the expansion cylinder 401, clamping blocks 403 are provided at both ends of the expansion cylinder 401, a supporting mechanism 7 is provided at the bottom of the pressing mechanism 1, supporting legs are provided at the four corners of the bottom of the supporting mechanism 7, a bottom support rod 701 is provided at one end of the supporting leg, and a protective mechanism is provided on the top of the supporting mechanism 7. Structure 5, the protection mechanism 5 is arranged on the outside of the pressing mechanism 1, the protection mechanism 5 includes a protection frame 501, a protection net 502 is arranged on the side of the protection frame 501, a linear bearing 204 is arranged at the bottom of the ball screw 203, a first slide rail slider 205 is arranged on the side of the expansion cylinder 401, the first slide rail slider 205 is arranged on the side of the linear bearing 204, a mounting plate is arranged on the top of the support mechanism 7, the top of the mounting plate is connected to the bottom of the protection frame 501, telescopic rods are arranged at both ends of the expansion cylinder 401, and one end of the telescopic rod is connected to the side of the clamping block 403.

[0027] In this embodiment, the stepper motor 201 is adjusted by a manual knob, and the stepper motor 201 drives the ball screw 203 to rotate through the coupling 202. The rotation of the ball screw 203 drives the linear bearing 204 to move up and down, and the first slide rail slider 205 facilitates the lifting and lowering guide function. The linear bearing 204 is fixed on the connecting plate to facilitate the expansion cylinder 401 to move up and down. The base 402 provides a stable support effect. The clamping block 403 cooperates with the telescopic control of the expansion cylinder 401 to achieve the clamping effect, ensuring that during the installation process, the support mechanism 7 cooperates with the bottom support rod 701 and the support leg to provide a stable support effect at the bottom, thereby ensuring the overall stability. The protective frame 501 cooperates with the protective net 502 to provide an effective protection effect. The mounting plate on the top of the support mechanism 7 facilitates the effective installation space for the press-fitted structural part, thereby ensuring the installation stability. The telescopic rods at both ends of the expansion cylinder 401 are conducive to further providing the telescopic adjustment function, and the two groups of symmetrical distribution are adopted to further improve the stability during the telescopic process.

[0028] The working principle of this embodiment is as follows: when in use, first manually adjust the stepper motor 201 with the knob, the stepper motor 201 drives the ball screw 203 to rotate through the coupling 202, the rotation of the ball screw 203 drives the linear bearing 204 to move up and down, the linear bearing 204 is fixed on the connecting plate to drive the expansion cylinder 401 to move up and down, the position of the expansion cylinder 401 is determined according to the product, the appropriate position of the base 402 and the adjusting screw 301 is manually adjusted, after the position is determined, the oil storage cylinder and the bottom cover are installed in the predetermined position, the automatic button is started, and the cylinder action drives the second slide The rail slider 601 moves backward, and when the cylinder moves to the predetermined position, the expansion cylinder 401 acts to clamp the oil storage cylinder, and the cylinder 101 of the pressing mechanism 1 moves downward to press the bottom cover into the oil storage cylinder. When the sensor 103 contacts and the pressing action is completed, the feedback cylinder 101 moves upward. At this time, the expansion cylinder 401 receives the signal and opens, and the entire sliding mechanism 6 is pushed out. The oil storage cylinder and the pressed bottom cover are pushed out together, and the pressed oil storage cylinder is taken out. One action is completed. After the first adjustment is completed, the knob is adjusted to automatic, and then after the oil storage cylinder is put in, the equipment automatically cycles and presses.

[0029] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. An automatic pressing device for a bottom cover of a shock absorber oil storage cylinder, comprising a pressing mechanism (1), characterized in that: The bottom of the pressing mechanism (1) is provided with an adjusting mechanism (2), and the side of the adjusting mechanism (2) is provided with a positioning mechanism (3). The pressing mechanism (1) comprises an oil cylinder (101), a top plate (104) is provided in the middle of the oil cylinder (101), guide pillars (102) are provided at both ends of the top plate (104), a pressing plate is movably mounted on the outer wall of the guide pillar (102), and a sensor (103) is connected to one end of the pressing plate. The positioning mechanism (3) comprises an adjusting screw rod (301), an adjusting motor is provided at the top of the adjusting screw rod (301), and a pressing plate (302) is provided at the bottom of the adjusting screw rod (301).

2. The automatic press-fitting device for the bottom cover of the oil storage cylinder of the shock absorber according to claim 1, characterized in that: The adjustment mechanism (2) comprises a stepping motor (201), a coupling (202) is arranged at the bottom of the stepping motor (201), and a ball screw (203) is arranged at the bottom of the coupling (202).

3. The automatic press-fitting device for the bottom cover of the oil storage cylinder of the shock absorber according to claim 2, characterized in that: A clamping mechanism (4) is provided on the side of the positioning mechanism (3), and the clamping mechanism (4) comprises an expansion cylinder (401), a base (402) is provided on the side of the expansion cylinder (401), and clamping blocks (403) are provided at both ends of the expansion cylinder (401).

4. The automatic press-fitting device for the bottom cover of the oil storage cylinder of the shock absorber according to claim 1, characterized in that: A support mechanism (7) is provided at the bottom of the pressing mechanism (1), support legs are provided at four corners of the bottom of the support mechanism (7), and a bottom support rod (701) is provided at one end of the support leg.

5. The automatic press-fitting device for the bottom cover of the oil storage cylinder of the shock absorber according to claim 4, characterized in that: A protective mechanism (5) is arranged on the top of the support mechanism (7), the protective mechanism (5) is arranged on the outside of the pressing mechanism (1), the protective mechanism (5) comprises a protective frame (501), and a protective net (502) is arranged on the side of the protective frame (501).

6. The automatic press-fitting device for the bottom cover of the oil storage cylinder of the shock absorber according to claim 4, characterized in that: A sliding mechanism (6) is arranged at the top of the support mechanism (7), and the sliding mechanism (6) is arranged at the bottom of the positioning mechanism (3). The sliding mechanism (6) comprises a second slide rail slider (601), and the top of the second slide rail slider (601) is arranged at the bottom of the pressure plate (302).

7. The automatic press-fitting device for the bottom cover of the oil storage cylinder of the shock absorber according to claim 3, characterized in that: A linear bearing (204) is arranged at the bottom of the ball screw (203), and a first slide rail slider (205) is arranged on the side of the expansion cylinder (401), wherein the first slide rail slider (205) is arranged on the side of the linear bearing (204).

8. The automatic press-fitting device for the bottom cover of the oil storage cylinder of the shock absorber according to claim 4, characterized in that: A mounting plate is provided on the top of the support mechanism (7), and the top of the mounting plate is connected to the bottom of the protection frame (501).

9. The automatic press-fitting device for the bottom cover of the oil storage cylinder of the shock absorber according to claim 3, characterized in that: Telescopic rods are provided at both ends of the expansion cylinder (401), and one end of the telescopic rod is connected to the side surface of the clamping block (403).

10. The automatic press-fitting device for the bottom cover of the oil storage cylinder of the shock absorber according to claim 1, characterized in that: A fixing block is provided between the bottom of the oil cylinder (101) and the top of the pressing plate.

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