Damper intermediate cylinder necking system

Abstract

The utility model relates to the technical field of machining and production of automobile shock absorbers, in particular to a necking system for a middle cylinder of a shock absorber. Comprising a supporting frame, a pressing structure and a necking structure. The pressing structure comprises a bottom supporting block and a top pressing block, and clamping grooves are formed in the sides, close to each other, of the bottom supporting block and the top pressing block; the necking structure comprises a control frame, the control frame is connected with a necking driving device, a mounting plate is slidably connected to the control frame, a plurality of necking dies are mounted on the mounting plate, necking guide grooves are formed in the ends, close to the clamping grooves, of the necking dies, and chamfers are arranged at the ends, close to the clamping grooves, of the necking guide grooves. And a supporting mold is fixedly mounted in the necking guide groove. The problems that when the piston barrel of the shock absorber is welded, leakage is prone to occurring due to improper operation during welding, and meanwhile the welding cost is high are effectively solved. According to the utility model, the necking operation can be quickly carried out on workpieces, and meanwhile, the dies required by necking processing can be quickly replaced according to the workpieces with different sizes.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile shock absorber processing and production, in particular to a shock absorber intermediate cylinder necking system. Background Art

[0002] Shock absorbers are used to suppress the shock caused by the rebound of springs after absorbing shock and the impact from the road surface. They are widely used in automobiles to accelerate the attenuation of frame and body vibrations to improve the driving smoothness of the car. When passing through uneven roads, although the shock-absorbing spring can filter the vibration of the road, the spring itself will still have reciprocating motion, and the shock absorber is used to suppress this spring jumping.

[0003] At present, the shock absorber piston cylinder is processed into an outer tube and an inner tube, and then the tube is welded. It is processed through two processes and consumables. However, during the welding operation, leakage is easy to occur due to improper operation during welding, and the welding cost is relatively high.

[0004] Therefore, the utility model provides a shock absorber intermediate tube necking system to solve this problem. Utility Model Content

[0005] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a shock absorber intermediate cylinder necking system, which effectively solves the problem that the shock absorber piston cylinder is prone to leakage due to improper welding operation during welding, and the welding cost is relatively high.

[0006] The utility model is a shock absorber intermediate cylinder necking system, comprising a support frame, wherein a pressing structure and a necking structure for pressing a workpiece are installed inside the support frame;

[0007] The clamping structure comprises a bottom support block fixedly mounted on the support frame and a top clamping block slidably connected to the support frame, wherein the top clamping block is located above the bottom support block, the top clamping block is connected to a clamping drive device, and a clamping groove is provided on one side of the bottom support block and the top clamping block close to each other;

[0008] The necking structure includes a control frame slidably connected to a support frame, the control frame is connected to a necking drive device, the control frame is slidably connected to a mounting plate, a plurality of necking molds are mounted on the mounting plate, a necking guide groove is provided at one end of the necking mold close to the clamping groove, a chamfer is provided at one end of the necking guide groove close to the clamping groove, a supporting mold is fixedly mounted inside the necking guide groove, and an adjusting drive structure for controlling the sliding of the mounting plate is mounted on the support frame.

[0009] Preferably, the adjustment drive structure includes a plurality of first sensing devices evenly spaced apart and installed on the control frame, a sensing plate matched with the first sensing device is installed on the mounting plate, and a pushing device for pushing the mounting slide is installed on the control frame.

[0010] Preferably, an adjusting hydraulic cylinder is fixedly mounted on one side of the control frame, the protruding end of the adjusting hydraulic cylinder is fixedly connected to the mounting plate, and the adjusting hydraulic cylinder and the first sensing device are both electrically connected to the control module.

[0011] Preferably, the clamping groove is configured to be arc-shaped.

[0012] Preferably, a full-length positioning structure for clamping a workpiece is installed at one end of the support frame away from the control frame.

[0013] Preferably, the full-length positioning structure includes a sliding base slidably connected to the support frame, a positioning shaft is installed on the sliding base, a positioning plate is fixedly connected to one end of the positioning shaft close to the bottom support block, and a control structure for controlling the sliding of the sliding base is installed on the support frame.

[0014] Preferably, the control structure includes a pushing hydraulic cylinder fixedly connected to a side of the support frame away from the control frame, the protruding end of the pushing hydraulic cylinder is fixedly connected to the sliding base, a plurality of evenly distributed second sensing devices are installed on the support frame, and a matching sensing block matching the second sensing device is fixedly installed on the sliding base.

[0015] The beneficial effects of the utility model are:

[0016] The utility model improves the existing shock absorber intermediate cylinder necking system, and solves the problem that the shock absorber piston cylinder is prone to leakage due to improper operation during welding and the welding cost is relatively high by adding a supporting frame, a bottom supporting block, a top clamping block, a clamping groove, a control frame, a mounting plate, a necking mold, a necking guide groove, a chamfer and a supporting mold; solves the problem that when the shock absorber piston cylinder is welded, it is easy to leak due to improper operation during welding, and the welding cost is relatively high by adding a first sensing device, a sensing plate, an adjusting hydraulic cylinder and a control module; solves the problem that when producing the workpiece, different necking molds need to be replaced to process workpieces of different sizes, which is inconvenient to operate; solves the problem that when performing necking processing, the workpiece is easy to slide inside the clamping groove, thereby causing the workpiece processing to not meet the standards by adding a sliding base, a positioning shaft, a positioning plate, a pushing hydraulic cylinder, a second sensing device and a matching sensing block; the utility model can quickly perform necking operations on the workpiece, and can quickly replace the molds required for necking processing for workpieces of different sizes. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1This is a schematic diagram of the overall installation of the utility model;

[0018] Figure 2 This is a schematic diagram of the internal structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the compacting structure of the utility model;

[0020] Figure 4 This is a cross-sectional schematic diagram of the necking mold of the utility model;

[0021] Figure 5 This is a schematic diagram of the necking structure of the utility model;

[0022] 1. Support frame; 2. Bottom support block; 3. Top clamping block; 4. Clamping groove; 5. Control frame; 6. Mounting plate; 7. Neck shrinking mold; 8. Neck shrinking guide groove; 9. Chamfering; 10. Support mold; 11. First sensing device; 12. Sensing plate; 13. Adjusting hydraulic cylinder; 14. Sliding base; 15. Positioning shaft; 16. Positioning plate; 17. Pushing hydraulic cylinder; 18. Second sensing device; 19. Matching sensing block. DETAILED DESCRIPTION

[0023] The above and other technical contents, features and functions of the present invention are described in detail below with reference to the attached Figures 1 to 5 The detailed description of the embodiments will clearly show that the structural contents mentioned in the following embodiments are all based on the drawings in the specification.

[0024] In the description of the present invention, it should be understood that the terms "upper", "middle", "outer", "inner" and the like indicating directions or positional relationships are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as limitations on the present invention.

[0025] Various exemplary embodiments of the present utility model will be described below with reference to the accompanying drawings.

[0026] Embodiment 1, combination Figure 1-Figure 5 As shown, the shock absorber intermediate cylinder necking system comprises a support frame 1, and a clamping structure and a necking structure for clamping a workpiece are installed inside the support frame 1;

[0027] The clamping structure includes a bottom support block 2 fixedly mounted on the support frame 1 and a top clamping block 3 slidably connected to the support frame 1, the top clamping block 3 is located above the bottom support block 2, and the top clamping block 3 is connected to a clamping drive device, the clamping drive device can be a hydraulic cylinder, the hydraulic cylinder is fixed to the support frame 1, the extended shaft of the hydraulic cylinder and the upper end surface of the top clamping block 3 are fixedly connected, the clamping drive device can also be other devices capable of realizing linear reciprocating motion, and a clamping groove 4 is provided on the side where the bottom support block 2 and the top clamping block 3 are close to each other. When in use, the hydraulic cylinder is started, and the hydraulic cylinder pushes the top clamping block 3 in the direction close to the bottom support block 2 until the workpiece is clamped inside the clamping groove 4;

[0028] The necking structure includes a control frame 5 slidably connected to the support frame 1, the control frame 5 is connected to a necking drive device, the necking drive device can be a hydraulic cylinder, the hydraulic cylinder is fixedly installed on one side of the support frame 1, the extended end of the hydraulic cylinder is fixedly connected to the control frame 5, when in use, the hydraulic cylinder pushes the control frame 5 to slide in the direction close to or away from the bottom support block 2, the control frame 5 is slidably connected to a mounting plate 6, a slide groove is provided on the control frame 5, a slider slidably connected to the inside of the slide groove is provided on the mounting plate 6, a plurality of necking molds 7 are installed on the mounting plate 6, and a plurality of necking molds 7 of different sizes are installed on the mounting plate 6, so that when changing different sizes, When the workpiece is being processed, the corresponding mold can be replaced more quickly, thereby saving the time required for replacing the mold. A necking guide groove 8 is provided at one end of the necking mold 7 close to the clamping groove 4, and a chamfer 9 is provided at one end of the necking guide groove 8 close to the clamping groove 4. A supporting mold 10 is fixedly installed inside the necking guide groove 8. The supporting mold 10 is used to support the inner wall of the workpiece to prevent the workpiece from being wasted due to extrusion deformation that does not meet the standard during necking. An adjusting drive structure for controlling the sliding of the mounting plate 6 is installed on the support frame 1. The adjusting drive structure can use a hydraulic cylinder to drive the mounting plate 6 to slide in a direction close to or away from the front end face of the support frame 1.

[0029] When performing the necking operation, the workpiece to be processed is placed inside the clamping groove 4 of the bottom support block 2, and the top clamping block 3 is pushed by the hydraulic cylinder connected to the top clamping block 3 to slide in the direction close to the bottom support block 2 until the workpiece is clamped in the clamping groove 4, and then the hydraulic cylinder connected to the control frame 5 pushes the control frame 5 in the direction close to the bottom support block 2 until the workpiece contacts the necking guide groove 8, and enters the necking guide groove 8 after being guided by the chamfer 9, thereby completing the necking processing operation;

[0030] When replacing workpieces of different sizes, the hydraulic cylinder drives the mounting plate 6 to slide on the control frame 5, so that the corresponding necking guide groove 8 slides to the position corresponding to the clamping groove 4, thereby performing the necking operation.

[0031] Embodiment 2. Based on embodiment 1, this embodiment provides an adjustment drive structure. Specifically, the adjustment drive structure includes a plurality of first sensing devices 11 evenly spacedly installed on the control frame 5. The first sensing devices 11 correspond to the necking mold 7. The first sensing devices 11 use infrared sensors. A sensing plate 12 matching the first sensing devices 11 is installed on the mounting plate 6. When in use, the first sensing device 11 senses the sensing plate 12 and controls the mounting plate 6 to stop sliding. A pushing device for pushing the mounting plate 6 to slide is installed on the control frame 5. The pushing device may use a hydraulic cylinder or other devices capable of realizing linear reciprocating motion.

[0032] An adjusting hydraulic cylinder 13 is fixedly installed on one side of the control frame 5, and the protruding end of the adjusting hydraulic cylinder 13 is fixedly connected to the mounting plate 6. The adjusting hydraulic cylinder 13 and the first sensing device 11 are electrically connected to the control module. When it is necessary to replace workpieces of different sizes during use, the corresponding first sensing device 11 is started to control the adjusting hydraulic cylinder 13 to start, driving the mounting plate 6 to slide until the corresponding first sensing device 11 senses the sensing plate 12 and then controls the adjusting hydraulic cylinder 13 to stop. At this time, the corresponding necking mold 7 slides to the position corresponding to the clamping groove 4, thereby performing the necking operation.

[0033] Embodiment 3, based on embodiment 1, the clamping groove 4 is configured to be arc-shaped, and the clamping groove 4 is configured to be arc-shaped to facilitate fitting the workpiece and protect the workpiece from damage due to extrusion deformation.

[0034] Embodiment 4, on the basis of embodiment 1, during necking processing, the workpiece is easy to slide inside the clamping groove, which causes the workpiece processing to not meet the standard, so this embodiment provides a positioning structure to solve the above problem, specifically, the end of the support frame 1 away from the control frame 5 is installed with a full-length positioning structure for clamping the workpiece;

[0035] The full-length positioning structure can be a clamping plate fixedly mounted on the support frame 1, which supports the end of the workpiece away from the mounting plate 6 to prevent the workpiece from sliding inside the clamping groove 4 when the necking mold 7 is pushed in the direction of the clamping groove 4 for necking.

[0036] The full-length positioning structure can also be, including a sliding base 14 slidably connected to the support frame 1, a positioning shaft 15 is installed on the sliding base 14, and a positioning plate 16 is fixedly connected to one end of the positioning shaft 15 close to the bottom support block 2. When in use, the workpiece is placed inside the clamping groove 4, and one end of the workpiece supports the positioning plate 16 to prevent the workpiece from sliding inside the clamping groove 4 when the necking mold 7 is pushed in the direction of the clamping groove 4 for necking. A control structure for controlling the sliding of the sliding base 14 is installed on the support frame 1.

[0037] The control structure includes a pushing hydraulic cylinder 17 fixedly connected to the side of the support frame 1 away from the control frame 5. The protruding end of the pushing hydraulic cylinder 17 is fixedly connected to the sliding base 14. A plurality of evenly distributed second sensing devices 18 are installed on the support frame 1. A matching sensing block 19 matching the second sensing device 18 is fixedly installed on the sliding base 14. The second sensing device 18 can adopt an infrared sensor. When in use, the corresponding second sensing device 18 is started according to the size of the workpiece, and the pushing hydraulic cylinder 17 is started. When the corresponding second sensing device 18 is started, the second sensing device 18 senses the matching sensing block 19 and controls the pushing hydraulic cylinder 17 to stop. At this time, the workpiece is placed inside the clamping groove 4, and one end of the workpiece is against the positioning plate 16.

[0038] When implementing:

[0039] The corresponding second sensing device 18 is started according to the size of the workpiece, and the hydraulic cylinder 17 is pushed to start. When the corresponding second sensing device 18 is started, the second sensing device 18 senses the matching sensing block 19 and controls the hydraulic cylinder 17 to stop. At this time, the workpiece is placed inside the clamping groove 4 of the bottom support block 2, and one end of the workpiece is against the positioning plate 16.

[0040] The hydraulic cylinder connected to the top clamping block 3 pushes the top clamping block 3 to slide toward the bottom support block 2 until the workpiece is clamped in the clamping groove 4. Then the hydraulic cylinder connected to the control frame 5 pushes the control frame 5 toward the bottom support block 2 until the workpiece contacts the necking guide groove 8 and enters the necking guide groove 8 after being guided by the chamfer 9, thereby completing the necking processing operation.

[0041] When replacing workpieces of different sizes, start the corresponding first sensing device 11, control the adjustment hydraulic cylinder 13 to start, and drive the mounting plate 6 to slide until the corresponding first sensing device 11 senses the sensing plate 12 and controls the adjustment hydraulic cylinder 13 to stop. At this time, the corresponding necking mold 7 slides to the position corresponding to the clamping groove 4.

[0042] The utility model improves the existing shock absorber intermediate cylinder necking system, and solves the problem that the shock absorber piston cylinder is prone to leakage due to improper operation during welding and the welding cost is relatively high by adding a supporting frame, a bottom supporting block, a top clamping block, a clamping groove, a control frame, a mounting plate, a necking mold, a necking guide groove, a chamfer and a supporting mold; solves the problem that when the shock absorber piston cylinder is welded, it is easy to leak due to improper operation during welding, and the welding cost is relatively high by adding a first sensing device, a sensing plate, an adjusting hydraulic cylinder and a control module; solves the problem that when producing the workpiece, different necking molds need to be replaced to process workpieces of different sizes, which is inconvenient to operate; solves the problem that when performing necking processing, the workpiece is easy to slide inside the clamping groove, thereby causing the workpiece processing to not meet the standards by adding a sliding base, a positioning shaft, a positioning plate, a pushing hydraulic cylinder, a second sensing device and a matching sensing block; the utility model can quickly perform necking operations on the workpiece, and can quickly replace the molds required for necking processing for workpieces of different sizes.

Claims

1. A shock absorber intermediate cylinder necking system, comprising a support frame (1), characterized in that: The support frame (1) is internally provided with a clamping structure and a necking structure for clamping a workpiece; The clamping structure comprises a bottom support block (2) fixedly mounted on the support frame (1) and a top clamping block (3) slidably connected to the support frame (1), the top clamping block (3) being located above the bottom support block (2), the top clamping block (3) being connected to a clamping drive device, and a clamping groove (4) being provided on one side of the bottom support block (2) and the top clamping block (3) close to each other; The necking structure comprises a control frame (5) slidably connected to the support frame (1), the control frame (5) being connected to a necking drive device, a mounting plate (6) being slidably connected to the control frame (5), a plurality of necking dies (7) being mounted on the mounting plate (6), a necking guide groove (8) being provided at one end of the necking dies (7) close to the clamping groove (4), a chamfer (9) being provided at one end of the necking guide groove (8) close to the clamping groove (4), a supporting die (10) being fixedly mounted inside the necking guide groove (8), and an adjusting drive structure for controlling the sliding of the mounting plate (6) being mounted on the support frame (1); A full-length positioning structure for tightening a workpiece is installed at one end of the support frame (1) away from the control frame (5); The full-length positioning structure comprises a sliding base (14) slidably connected to the support frame (1), a positioning shaft (15) being mounted on the sliding base (14), a positioning plate (16) being fixedly connected to one end of the positioning shaft (15) close to the bottom support block (2), and a control structure for controlling the sliding of the sliding base (14) being mounted on the support frame (1); The control structure comprises a pushing hydraulic cylinder (17) fixedly connected to a side of the support frame (1) away from the control frame (5); the extended end of the pushing hydraulic cylinder (17) is fixedly connected to the sliding base (14); a plurality of evenly distributed second sensing devices (18) are mounted on the support frame (1); and a matching sensing block (19) matching the second sensing device (18) is fixedly mounted on the sliding base (14).

2. The shock absorber intermediate tube necking system according to claim 1, characterized in that: The adjustment drive structure comprises a plurality of first sensing devices (11) mounted at even intervals on the control frame (5), a sensing plate (12) matched with the first sensing devices (11) being mounted on the mounting plate (6), and a pushing device for pushing the mounting plate (6) to slide being mounted on the control frame (5).

3. The shock absorber intermediate tube necking system according to claim 2, characterized in that: An adjusting hydraulic cylinder (13) is fixedly mounted on one side of the control frame (5); an extended end of the adjusting hydraulic cylinder (13) is fixedly connected to the mounting plate (6); and the adjusting hydraulic cylinder (13) and the first sensing device (11) are both electrically connected to the control module.

4. The shock absorber intermediate tube necking system according to claim 1, characterized in that: The clamping groove (4) is arranged in an arc shape.

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