Shock absorber cylinder stretch forming tool
By designing a cylinder stretching and forming tooling for shock absorbers with gas impact function, the problem of dust pollution in the inner wall of the cylinder during cold pressing and stretching is solved, and a higher quality finished product is achieved.
Patent Information
- Application Number
- CN202421570612.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-04
- Publication Date
- 2025-05-02
- Estimated Expiration
- 2034-07-04
AI Technical Summary
During the cold pressing and stretching process, the inner wall of the barrel is easily contaminated by dust, resulting in defects in the finished product and affecting the quality.
A shock absorber cylinder stretching molding tool is designed, and the tensioning treatment mechanism is driven down through the hydraulic cylinder. The air pump pipe is pumped into the cleaning gas, and the gas enters the annular gas tank through the air channel, impacts the inner wall of the cylinder, and blows away dust.
Effectively remove dust from the inner wall of the cylinder, avoid scratches during cold pressing and stretching, improve the quality of the finished product, and discharge dust through the diversion groove to keep the mold cylinder clean.
Smart Images
Figure CN222817732U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of processing equipment, in particular to a shock absorber cylinder stretching forming tool. Background Art
[0002] The step before forming the piston cylinder of the shock absorber is stretching, and there are two methods of stretching forming. One is to pull the end to deform and stretch it, and the other is to place the cylinder into a mold cylinder with a hole, insert it into the cylinder through an extrusion mold, and the cylinder is squeezed from inside and outside to achieve the effect of cold pressing and stretching.
[0003] In the process of implementing this solution, the inventors found that the following problems in the prior art have not been well solved: during the cold pressing and stretching process, since the cleanliness of the processing site environment is not high, the dust on site will enter the inner wall of the cylinder, and the cylinder will be manually stuffed into the mold cylinder. When the extrusion mold is extruded, the dust particles will be squeezed together, causing defects in the cylinder and affecting the overall quality. Utility Model Content
[0004] The main purpose of the utility model is to provide a shock absorber cylinder stretching forming tooling, which can effectively solve the problems in the background technology.
[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:
[0006] The shock absorber cylinder stretching and forming tooling comprises a workbench, a gantry is fixed on the top of the workbench, a hydraulic cylinder is fixed on the inner top of the gantry, a traction plate is fixed on the output end of the hydraulic cylinder, a stretching processing mechanism is fixed on the top of the traction plate, and a mold mechanism is arranged at the position of the stretching processing mechanism on the workbench;
[0007] The stretching treatment mechanism includes a treatment cylinder fixed at the bottom of a pressure rod, an upper airway is drilled on the pressure rod, a lower airway is drilled at the bottom of the upper airway, an annular air groove is drilled at the bottom of the treatment cylinder, and a plurality of branch airways are drilled between the lower airway and the annular air groove;
[0008] The mold mechanism includes a mold cylinder and a bottom block, wherein the mold cylinder is arranged on the top of a workbench, and the bottom block is embedded on the workbench. A compression groove is bored on the top of the bottom block, and guide grooves are bored at both ends of the bottom of the bottom block located at the compression groove.
[0009] Preferably, an air nozzle is provided at one end of the pressure rod located outside the upper airway.
[0010] Preferably, the upper airway, the lower airway, the branch airway and the annular air groove are interconnected.
[0011] Preferably, a guide edge is provided at the bottom of the treatment cylinder located at the position of the annular air groove.
[0012] Preferably, ear plates are fixed to the four corners of the outer wall of the mold barrel, screws are fixed to the positions of the ear plates on the workbench, the screws are respectively connected to the ear plates with matching positions, and the screws passing through the outer wall of one end of the ear plate are threadedly connected with nuts.
[0013] Preferably, sliding rods are fixed at both ends between the workbench and the gantry, the sliding rods are respectively penetrated by the traction plates and are slidably connected thereto, and the positions of the sliding rods below the traction plates are sleeved with springs.
[0014] Compared with the prior art, the utility model has the following beneficial effects:
[0015] 1. The cylinder is placed inside the mold cylinder. After the hydraulic cylinder works, it drives the stretching processing mechanism to descend. The air pump air pipe pumps clean gas into the air nozzle. The gas enters the lower airway through the upper airway, and then enters the annular air groove through several branch airways. When the processing cylinder is first inserted into the mold cylinder and continues to descend, the gas will impact the inner wall of the cylinder and blow away the dust on the inner wall to avoid scratches caused by the pressure rod when it is cold pressed and stretched, which affects the quality.
[0016] 2. When the dust is blown away, it will fall into the compression groove, and then fall into the guide grooves on both sides of the compression groove, and then be discharged through the inclination angle of the guide groove to avoid accumulation in the mold barrel and affect the cold pressing and stretching process. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 This is a schematic diagram of the structure of the shock absorber cylinder stretching forming tooling of the utility model;
[0018] Figure 2 It is a schematic diagram of the separation structure of the mold cylinder and the bottom block of the shock absorber cylinder stretching forming tooling of the utility model from the workbench after the section view;
[0019] Figure 3 It is a schematic diagram of the external structure of the stretching processing mechanism of the shock absorber cylinder stretching forming tooling of the utility model;
[0020] Figure 4 It is a schematic diagram of the exploded structure of the stretching processing mechanism of the shock absorber cylinder stretching forming tooling of the utility model.
[0021] In the figure: 1. workbench; 2. gantry; 3. hydraulic cylinder; 4. traction plate; 5. stretching processing mechanism; 51. pressure rod; 52. upper airway; 53. air nozzle; 54. processing cylinder; 55. lower airway; 56. air distribution channel; 57. annular air groove; 58. guide edge; 6. mold mechanism; 61. mold cylinder; 62. bottom block; 63. compression groove; 64. guide groove; 7. sliding rod; 8. spring; 9. screw rod; 10. nut; 11. ear plate. DETAILED DESCRIPTION
[0022] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.
[0023] like Figure 1-4 As shown, the shock absorber cylinder stretching forming tooling comprises a workbench 1, a gantry 2 is fixed on the top of the workbench 1, a hydraulic cylinder 3 is fixed on the inner top of the gantry 2, a traction plate 4 is fixed on the output end of the hydraulic cylinder 3, a stretching processing mechanism 5 is fixed on the top of the traction plate 4, and a mold mechanism 6 is provided on the workbench 1 at the position of the stretching processing mechanism 5;
[0024] The stretching treatment mechanism 5 includes a treatment cylinder 54 fixed at the bottom of a pressure rod 51, an upper airway 52 is drilled on the pressure rod 51, a lower airway 55 is drilled at the bottom of the upper airway 52, an annular air groove 57 is drilled at the bottom of the treatment cylinder 54, and a plurality of branch airways 56 are drilled between the lower airway 55 and the annular air groove 57 in the treatment cylinder 54;
[0025] The mold mechanism 6 includes a mold cylinder 61 and a bottom block 62. The mold cylinder 61 is arranged on the top of the workbench 1, and the bottom block 62 is embedded on the workbench 1. A compression groove 63 is drilled on the top of the bottom block 62, and guide grooves 64 are drilled at both ends of the bottom of the compression groove 63 of the bottom block 62.
[0026] Specifically, an air nozzle 53 is provided at one end of the pressure rod 51 located outside the upper airway 52 .
[0027] Specifically, the upper air passage 52, the lower air passage 55, the branch air passage 56 and the annular air groove 57 are interconnected.
[0028] Specifically, a guide edge 58 is provided at the bottom of the processing cylinder 54 at the position of the annular air groove 57, which can guide the airflow to impact the inner wall of the cylinder and flush out the dust.
[0029] Specifically, ear plates 11 are fixed to the four corners of the outer wall of the mold barrel 61, and screws 9 are fixed to the positions of the ear plates 11 on the workbench 1. The screws 9 are respectively connected to the ear plates 11 at matching positions, and the outer walls of the screws 9 passing through one end of the ear plates 11 are threadedly connected with nuts 10, so that the mold barrel 61 has a detachable effect and can be replaced according to the size of the barrel.
[0030] Specifically, sliding rods 7 are fixed at both ends between the workbench 1 and the gantry 2, and the sliding rods 7 are respectively penetrated by the traction plates 4 and slidably connected thereto. The sliding rods 7 are sleeved with springs 8 at the positions below the traction plates 4, so that the descent of the stretching processing mechanism 5 is stable and vertical.
[0031] Working principle: the cylinder is placed into the interior of the mold cylinder 61. After the hydraulic cylinder 3 works, it drives the stretching processing mechanism 5 to descend. The air pump air pipe pumps clean gas into the air nozzle 53. The gas enters the lower air channel 55 through the upper air channel 52, and then enters the annular air groove 57 through several branch air channels 56. When the processing cylinder 54 is first inserted into the interior of the mold cylinder 61 and continues to descend, the gas will impact the inner wall of the cylinder and blow away the dust on its inner wall to avoid scratches caused by the pressure rod 51 when it is cold-pressed and stretched, thereby affecting the quality. When the dust is blown away, it will fall into the compression groove 63, and fall into the guide grooves 64 on both sides of the compression groove 63, and then be discharged through the inclination angle of the guide grooves 64 to avoid accumulation in the mold cylinder 61 and affecting the cold-pressing and stretching process.
[0032] The circuits, electronic components and control modules involved are all prior art and can be fully implemented by those skilled in the art. Needless to say, the content protected by the utility model does not involve improvements to software and methods.
[0033] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.
Claims
1. A shock absorber cylinder stretching and forming tool, comprising a workbench (1), characterized in that: A gantry (2) is fixed on the top of the workbench (1), a hydraulic cylinder (3) is fixed on the inner top of the gantry (2), a traction plate (4) is fixed on the output end of the hydraulic cylinder (3), a stretching processing mechanism (5) is fixed on the top of the traction plate (4), and a mold mechanism (6) is provided on the workbench (1) at the position of the stretching processing mechanism (5); The stretching treatment mechanism (5) comprises a treatment cylinder (54) fixed at the bottom of a pressure rod (51), an upper airway (52) being bored on the pressure rod (51), a lower airway (55) being bored at the bottom of the upper airway (52) on the treatment cylinder (54), an annular air groove (57) being bored at the bottom of the treatment cylinder (54), and a plurality of branch airways (56) being bored between the lower airway (55) and the annular air groove (57) on the treatment cylinder (54); The mold mechanism (6) comprises a mold cylinder (61) and a bottom block (62); the mold cylinder (61) is arranged on the top of the workbench (1); the bottom block (62) is embedded on the workbench (1); a compression groove (63) is bored on the top of the bottom block (62); and guide grooves (64) are bored at both ends of the bottom of the compression groove (63) of the bottom block (62).
2. The shock absorber cylinder stretching and forming tool according to claim 1, characterized in that: An air nozzle (53) is provided at one end of the pressure rod (51) located outside the upper airway (52).
3. The shock absorber cylinder stretching and forming tooling according to claim 1, characterized in that: The upper airway (52), the lower airway (55), the branch airway (56) and the annular air groove (57) are interconnected.
4. The shock absorber cylinder stretching and forming tool according to claim 1, characterized in that: A guide edge (58) is provided at the bottom of the treatment cylinder (54) at the position of the annular air groove (57).
5. The shock absorber cylinder stretching and forming tooling according to claim 1, characterized in that: Ear plates (11) are fixed to the four corners of the outer wall of the mold barrel (61), and screw rods (9) are fixed to the positions of the workbench (1) located at the ear plates (11). The screw rods (9) are respectively connected to the ear plates (11) at matching positions, and the outer wall of one end of the screw rod (9) passing through the ear plate (11) is threadedly connected to a nut (10).
6. The shock absorber cylinder stretching and forming tooling according to claim 1, characterized in that: Sliding rods (7) are fixed at both ends between the workbench (1) and the gantry (2), and the sliding rods (7) are respectively penetrated by the traction plates (4) and slidably connected thereto, and the positions of the sliding rods (7) below the traction plates (4) are sleeved with springs (8).