Damper casing pipe flaring machine

Through the combination of the electric lift plate-driven flaring mechanism and vacuum machine brush strips, the problem of frequent mold replacement and metal residue adhesion is solved, and the efficiency and accuracy of the casing of the shock absorber is achieved and the inner wall cleaning is achieved.

CN120362353AActive Publication Date: 2025-07-25HUBEI DONGFENG JIEXIANG AUTOMOTIVE SHOCK ABSORBER CO LTD
View PDF 4 Cites 0 Cited by

Patent Information

Application Number
CN202510839428.3
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-06-23
Publication Date
2025-07-25
Estimated Expiration
2045-06-23

AI Technical Summary

Technical Problem

Existing shock absorber casing flaring machines require frequent replacement of molds of different specifications, resulting in low working efficiency and metal residues are prone to adhere to the inner wall of the casing during the flaring process, affecting the flaring accuracy and quality.

Method used

The flaring mechanism driven by electric lift plate is adopted to achieve wrap-around reaming through rotating moving blocks and articulated blocks. Combined with a vacuum machine and brush strips, the metal residue is scraped off, and the air flow is used to remove particulate matter to avoid mold deformation and uneven inner walls.

Benefits of technology

The accuracy and efficiency of the casing flaring are improved, and there is no need to frequently replace the mold, ensuring that the inner wall of the casing is smooth and smooth, and avoiding metal residues affecting the flaring quality.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN120362353A_ABST
    Figure CN120362353A_ABST
Patent Text Reader

Abstract

The invention discloses a shock absorber casing pipe flaring machine, and relates to the technical field of metal pipe expanding, the shock absorber casing pipe flaring machine comprises a flaring device, an electric lifting plate is arranged in the flaring device, a fixing rod is fixedly connected to the top of the electric lifting plate, a top plate is fixedly connected to the top of the fixing rod, and a base is fixedly connected to the top of the electric lifting plate; a connecting plate is fixedly connected to the bottom of the top plate, a clamp is fixedly connected to the top of the base, a sleeve is arranged in the clamp, a flaring mechanism is arranged at the bottom of the connecting plate, and by arranging the flaring mechanism, the multiple moving blocks and the hinge blocks can achieve the surrounding type inner diameter reaming effect on the sleeve when rotating; the rotating mode can improve the chambering smoothness, the problem that due to the fact that a conventional die is used for a long time, the outer wall deforms, and consequently flaring of the sleeve is irregular is solved, it can be guaranteed that the flaring is stable to be a perfect circle, and then flaring accuracy of the sleeve is guaranteed.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The present invention relates to the technical field of metal pipe expanding, and specifically to a flaring machine for shock absorber sleeves. Background Art

[0002] ‌The shock absorber sleeve‌ is an important component used in the automotive shock absorption system. Its main functions are to reduce friction and wear during mechanical movement, protect mechanical parts such as bearings, extend their service life, and improve the mechanical operation efficiency; A flaring machine for shock absorber sleeves described in the patent application with the publication number CN221454115U includes a base; the pipeline is guided by a feeding plate to enter the equipment. Through the contraction of the telescopic end of the second electro-hydraulic rod, the arc-shaped supporting plate descends. The descent of the arc-shaped supporting plate drives the lower baffle to descend through the lower stop piece. The pipeline on the feeding plate rolls down from the right end of the feeding plate and is received by the arc-shaped supporting plate. Through the extension of the telescopic ends of the second electro-hydraulic rod and the first electro-hydraulic rod, two expanding cones enter both ends of the pipeline to shape both ends of the pipeline. Through the contraction of the telescopic end of the third electro-hydraulic rod, the second semi-circular plate descends, so that an opening appears at the right end of the arc-shaped supporting plate, and the shaped pipeline rolls down from the opening at the right end of the arc-shaped supporting plate; When flaring the shock absorber sleeve by stamping, if shock absorber sleeves with different specifications and calibers are used, different flaring dies need to be replaced. It is impossible to adjust the shape of the stamping die according to different pipe orifice specifications and diameters, resulting in the problem of frequent replacement of stamping dies and affecting its working efficiency. Summary of the Invention

[0003] In view of the deficiencies of the prior art, the present invention provides a flaring machine for shock absorber sleeves, achieving the purpose of solving the above problems.

[0004] To achieve the above object, the present invention is realized through the following technical solutions: A flaring machine for shock absorber sleeves includes a flaring device. An electric lifting plate is arranged inside the flaring device. A fixed rod is fixedly connected to the top of the electric lifting plate. A top plate is fixedly connected to the top of the fixed rod. A base is fixedly connected to the top of the electric lifting plate. A connecting plate is fixedly connected to the bottom of the top plate. A clamp is fixedly connected to the top of the base. A sleeve is arranged inside the clamp. A flaring mechanism is arranged at the bottom of the connecting plate; The flaring mechanism includes: A flaring die, the flaring die is a hollow circular sleeve-like structure. The top of the flaring die is rotationally connected to the bottom of the connecting plate through a bearing ring. A groove is formed in the inner wall of the flaring die. A motor is fixedly connected to the inner wall of the groove. A rotating shaft is fixedly connected to the output end at the bottom of the motor; An articulated block, wherein a second rotating sleeve is fixedly connected to the bottom of the articulated block, a second articulated shaft is rotatably connected to one side of the second articulated shaft, a moving block is fixedly connected to the outer wall of the second articulated shaft, and the articulated block is used to rotate and expand the sleeve.

[0005] Preferably, a first hinge shaft is fixedly connected to the top of the hinge block, a first rotating sleeve is rotatably connected to the outer wall of the first hinge shaft, and a bearing ring is fixedly connected to the outer wall of the first rotating sleeve.

[0006] Preferably, a telescopic rod is fixedly connected to one side of the moving block, a lifting ring is fixedly connected to one end of the telescopic rod, and an inner wall of the lifting ring is slidably connected to an outer wall of the rotating shaft.

[0007] Preferably, a vacuum machine is fixedly connected to the bottom of the rotating shaft, a connecting pipe is fixedly connected to the top of the vacuum machine, and one end of the connecting pipe is fixedly connected to the bottom of the telescopic rod.

[0008] Preferably, the interior of the telescopic rod is connected to the interior of the vacuum machine through a connecting pipe, and the telescopic rod is used to telescope and pull the moving block to move horizontally.

[0009] Preferably, one side of the hinge block is an inclined surface, one side of the bottom of the movable block forms an arc surface, and the bottom edge of the expansion mold forms an arc surface.

[0010] Preferably, the outer wall of the moving block is provided with an auxiliary mechanism, and the auxiliary mechanism includes a brush strip, one end of which is fixedly connected to the outer wall of the moving block, and the brush strip is used to play a role in moving the inner wall of the sleeve.

[0011] Preferably, a blade is fixedly connected to the outer wall of a section of the telescopic rod close to the lifting ring, the outer wall of the blade is an inclined surface, and the blade is used to move air flow when rotating.

[0012] The present invention provides a shock absorber casing expanding machine, which relates to intelligent manufacturing equipment industry technology and has the following beneficial effects: 1. The present invention sets a flaring mechanism so that a plurality of movable blocks and hinged blocks can realize a surrounding flaring effect on the inner diameter of the sleeve when rotating, and the rotation method can improve the smoothness of flaring, avoid the problem of irregular flaring of the sleeve caused by deformation of the outer wall of a conventional mold due to long-term use, and the rotation method can ensure that the flaring is stable in a perfect circle, thereby ensuring the accuracy of the flaring of the sleeve.

[0013] 2. By providing a flaring mechanism in the present invention, the hinge block will rotate hingedly on the first rotating sleeve through the first hinge shaft. The rotation of the hinge block is achieved by the rotation of the first hinge shaft and the first rotating sleeve. Eventually, the moving block automatically retracts inward and completes the connection of sleeves with different pipe diameters through rotation. Then, with the continuous movement of the inclined hinge block, the flaring work is completed, realizing the function of freely adjusting the flaring of sleeves with different circular inner diameters. Without replacing different molds, the connection to the sleeve can be quickly switched, improving the flaring work efficiency.

[0014] 3. By providing an auxiliary mechanism in the present invention, when the moving block rotates rapidly to flare the sleeve, it will naturally rotate and scrape the inner wall of the sleeve through the outer wall of the moving block. It can scrape off the metal residue particles existing in the inner wall of the sleeve before the hinge block expands the hole in the inner wall of the sleeve, and with the rotation of the moving block driving the brush strip, a large number of particles are pushed off, avoiding the problem that the particles existing in the inner wall of the sleeve are pressed into the inner wall during the flaring of the fixed mold, resulting in a decrease in the flatness and smoothness of the inner wall.

[0015] 4. By providing an auxiliary mechanism in the present invention, along with the rotation of the telescopic rod driving the blades to rotate synchronously, the rotation of the blades can push the air inside the sleeve, realizing air flow. Through the air flow, the metal particles scraped off by the moving block and swept off by the brush strip on the inner wall of the sleeve can be quickly incorporated into the air and separated from the inner wall of the sleeve with the air flow, avoiding the problem that the particles attach to the inner wall of the sleeve again and affecting the subsequent flaring of the inner wall of the sleeve by the hinge block. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic structural diagram of the present invention; Figure 2 is a schematic structural diagram of the electric lifting plate of the present invention; Figure 3 is a schematic structural diagram of the connecting plate of the present invention; Figure 4 is a schematic structural diagram of the flaring mechanism of the present invention Figure 1 ; Figure 5 is a schematic disassembled structural diagram of the flaring mechanism of the present invention Figure 1 ; Figure 6 is a schematic structural diagram of the flaring mechanism of the present invention Figure 2 ; Figure 7 is a schematic disassembled structural diagram of the flaring mechanism of the present invention Figure 2 ; Figure 8 is a schematic structural diagram of the flaring mechanism of the present invention Figure 3 ; Figure 9 is a schematic structural movement diagram of the flaring mechanism of the present invention Figure 1 ; Figure 10 Structural movement schematic of the flaring mechanism of the present invention Figure 2 ; Figure 11 Structural movement schematic of the flaring mechanism of the present invention Figure 3 ; Figure 12 Structural movement schematic of the flaring mechanism of the present invention Figure 4 ; Figure 13 Structural movement schematic of the flaring mechanism of the present invention Figure 5 ; Figure 14 For the present invention Figure 6 Enlarged view of part A

[0017] In the figure: 1 Electric lifting plate, 2 Flaring tool, 3 Flaring mechanism, 301 Flaring die, 302 Groove, 303 Motor, 304 Rotating shaft, 305 Bearing ring, 306 First hinge shaft, 307 First rotating sleeve, 308 Hinge block, 309 Second rotating sleeve, 310 Second hinge shaft, 311 Moving block, 312 Telescopic rod, 313 Connecting pipe, 314 Vacuum machine, 315 Lifting ring, 4 Auxiliary mechanism, 401 Brush strip, 402 Blade, 5 Fixed rod, 6 Top plate, 7 Connecting plate, 8 Base, 9 Clamp, 10 Sleeve Detailed implementation mode

[0018] Embodiment 1: Please refer to Figure 1-6 , the present invention provides a technical solution: A shock absorber sleeve flaring machine, including a flaring tool 2, an electric lifting plate 1 is arranged inside the flaring tool 2, a fixed rod 5 is fixedly connected to the top of the electric lifting plate 1, a top plate 6 is fixedly connected to the top of the fixed rod 5, a base 8 is fixedly connected to the top of the electric lifting plate 1, a connecting plate 7 is fixedly connected to the bottom of the top plate 6, a clamp 9 is fixedly connected to the top of the base 8, a sleeve 10 is arranged inside the clamp 9, and a flaring mechanism 3 is arranged at the bottom of the connecting plate 7; The flaring mechanism 3 includes: A flaring die 301, the flaring die 301 is a hollow circular sleeve-like structure, the top of the flaring die 301 is rotatably connected to the bottom of the connecting plate 7 through a bearing ring 305, a groove 302 is opened on the inner wall of the flaring die 301, a motor 303 is fixedly connected to the inner wall of the groove 302, and the bottom output end of the motor 303 is fixedly connected to a rotating shaft 304; A hinge block 308, the bottom of the hinge block 308 is fixedly connected to a second rotating sleeve 309, a second hinge shaft 310 is rotatably connected to one side of the second rotating sleeve 309, a moving block 311 is fixedly connected to the outer wall of the second hinge shaft 310, and the hinge block 308 is used to play a role in rotating and flaring the sleeve 10; During use, place the sleeve 10 to be clamped on the base 8, then start the clamp 9 to clamp the sleeve 10, and start the electric lifting plate 1 to rise on the fixed rod 5. Push the clamp 9 and the sleeve 10 to rise onto the flaring die 301 through the base 8 to achieve the flaring effect on the sleeve 10; When the sleeve 10 is clamped and pushed upward, it will first contact the moving block 311. The caliber of the moving block 311 is the same as itself, so it will fit onto the outer wall of the moving block 311. Then, as it continues to rise, it will contact the hinge block 308. The hinge block 308 is an inclined surface. Under continuous upward pushing, the inner wall of the sleeve 10 will start to expand along the inclined surface of the hinge block 308. At the same time, drive the rotating shaft 304, the hinge block 308, and the moving block 311 to rotate together by the previously started motor 303. Thus, multiple moving blocks 311 and the hinge block 308 can achieve a circumferential reaming effect on the inner diameter of the sleeve 10 during rotation. And this rotating method can improve the smoothness of reaming, avoiding the problem that the flaring of the sleeve 10 is irregular due to the deformation of the outer wall of the conventional die after long-term use. This rotating method can ensure that the flaring is stably a perfect circle, and then ensure the accuracy of the flaring of the sleeve 10; Embodiment 2: Please refer to Figure 1-13 , based on Embodiment 1, the present invention provides a technical solution: In the traditional sleeve flaring process, for flaring operations on sleeves with different inner diameters, usually multiple sets of molds with corresponding sizes need to be equipped. For each flaring operation on a sleeve with a certain inner diameter, the operator must manually replace the mold. This process has many drawbacks: Low efficiency: The operation of replacing the mold is cumbersome and requires a lot of time for mold disassembly, installation, and debugging. When the production task is tight, frequent mold replacement will seriously affect the production progress, resulting in a decrease in the output per unit time and unable to meet the large-scale production demand. For example, in a large construction project, a large number of sleeves with different inner diameters are required for pipeline laying. If the traditional method is used, only the mold replacement time may significantly extend the entire project duration. Therefore, the top of the hinge block 308 is fixedly connected to a first hinge shaft 306, and the outer wall of the first hinge shaft 306 is rotatably connected to a first rotating sleeve 307. The outer wall of the first rotating sleeve 307 is fixedly connected to a bearing ring 305.

[0019] One side of the moving block 311 is fixedly connected to a telescopic rod 312, and one end of the telescopic rod 312 is fixedly connected to a lifting ring 315. The inner wall of the lifting ring 315 is slidably connected to the outer wall of the rotating shaft 304.

[0020] The bottom of the rotating shaft 304 is fixedly connected to a vacuum machine 314, the top of the vacuum machine 314 is fixedly connected to a connecting pipe 313, and one end of the connecting pipe 313 is fixedly connected to the bottom of the telescopic rod 312.

[0021] The inside of the telescopic rod 312 is connected to the inside of the vacuum machine 314 through a connecting pipe 313, and the telescopic rod 312 is used to telescopically pull the moving block 311 to move horizontally.

[0022] One side of the hinge block 308 is an inclined surface, one side of the bottom of the moving block 311 forms an arc surface, and the bottom edge of the flaring die 301 forms an arc surface; When flaring sleeves 10 with different inner diameters, different molds are required. At this time, there is no need to replace the mold. Start the vacuum machine 314 to pump the hydraulic oil inside the telescopic rod 312 back into the vacuum machine 314 through the connecting pipe 313, and the telescopic rod 312 can be shortened. At the same time, when the telescopic rod 312 shortens, it will pull the moving block 311 towards the center. When the moving block 311 approaches the center of the rotating shaft 304, it will pull the hinge block 308 to rotate through the second rotating sleeve 309 and the second hinge shaft 310. The hinge block 308 will rotate through the first hinge shaft 306 on the first rotating sleeve 307. The rotation of the hinge block 308 is through the rotation of the first hinge shaft 306 and the first rotating sleeve 307. Finally, the moving block 311 automatically retracts and rotates to connect sleeves 10 with different pipe diameters. Then, as the inclined hinge block 308 continues to complete the flaring work, the function of freely adjusting the flaring of sleeves 10 with different circular inner diameters is realized. There is no need to replace different molds, and the connection to the sleeve 10 can be quickly switched, improving the flaring work efficiency; When the telescopic rod 312 contracts and drives the moving block 311 to move, causing the hinge block 308 to rotate, the vertical position of the moving block 311 will change due to the rotation of the hinge block 308, thereby driving the telescopic rod 312 and the lifting ring 315 to perform a lifting motion. The lifting ring 315 slides vertically up and down on the outer wall of the rotating shaft 304; Embodiment Three: Please refer to Figure 1-14 , based on Embodiment One and Embodiment Two, the present invention provides a technical solution: In the traditional fixed mold flaring process, there are the following problems that need to be solved urgently: Metal residue pollution problem: During the production, transportation, and storage of the sleeve, metal residues, particulate matters, and other impurities are likely to adhere to the inner wall of the sleeve. These impurities may come from wear debris during the cutting and processing of raw materials or dust in the environment. When using a fixed mold for flaring, since the mold is in close contact with the inner wall of the sleeve and applies pressure, the particulate matters existing on the inner wall of the sleeve are extremely easy to be pressed into the inner wall. This is like forcibly pressing small stones on a smooth wall, which will make the wall uneven. The flatness and smoothness of the inner wall of the sleeve with the pressed-in particulate matters are greatly reduced, seriously affecting the quality of the sleeve.

[0023] When the particles are pressed into the inner wall of the casing, they will cause local stress concentration during the subsequent expansion process. When the expansion parts such as the hinge block expand the casing, these stress concentration areas are prone to cracks, deformation and other defects, resulting in the expansion accuracy cannot be guaranteed.

[0024] If the inner wall of the casing is cleaned manually before expansion, it is not only cumbersome and inefficient, but also difficult to ensure the thoroughness of the cleaning. For some slender casings, manual cleaning is even more difficult and cannot effectively remove particles deep inside.

[0025] Even if some particles on the inner wall of the sleeve are cleaned off by some means, during the process of fixed mold expansion, due to the poor air flow inside the sleeve, the cleaned particles are easy to attach to the inner wall of the sleeve again. This is like sweeping dust in a confined space. The dust is only temporarily raised and will soon fall again. The secondary attached particles will also have an adverse effect on the expansion process and the quality of the sleeve, causing the above-mentioned problems to still exist. Therefore, an auxiliary mechanism 4 is provided on the outer wall of the moving block 311, and the auxiliary mechanism 4 includes a brush strip 401, one end of which is fixedly connected to the outer wall of the moving block 311, and the brush strip 401 is used to play a role in moving the inner wall of the sleeve 10.

[0026] A blade 402 is fixedly connected to the outer wall of the telescopic rod 312 near the lifting ring 315. The outer wall of the blade 402 is an inclined surface. The blade 402 is used to move the air flow when rotating. When the moving block 311 rotates quickly to expand the sleeve 10, the outer wall of the moving block 311 will naturally rotate and scrape the inner wall of the sleeve 10, so that the metal residue particles existing on the inner wall of the sleeve 10 can be scraped off by itself before the inner wall of the sleeve 10 is expanded by the hinge block 308, and a large amount of particles can be pushed off as the moving block 311 drives the brush bar 401 to rotate, so that the particles existing on the inner wall of the sleeve 10 can be prevented from being pressed into the inner wall during the expansion of the fixed mold, resulting in a decrease in the flatness and smoothness of the inner wall. The rotation of the telescopic rod 312 drives the blade 402 to rotate synchronously. The rotation of the blade 402 can push the air inside the sleeve 10 to achieve air flow. The metal particles scraped off the inner wall of the sleeve 10 by the moving block 311 and swept off by the brush strip 401 can be quickly integrated into the air and separated from the inner wall of the sleeve 10 as the air flows, thereby preventing the particles from adhering to the inner wall of the sleeve 10 again and affecting the subsequent expansion of the inner wall of the sleeve 10 by the hinge block 308.

[0027] The above are only the preferred specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and inventive concept of the present invention, making equivalent substitutions or changes, should be covered by the protection scope of the present invention.

Claims

1. A shock absorber sleeve flaring machine, comprising a flaring tool (2), an electric lifting plate (1) is arranged inside the flaring tool (2), a fixed rod (5) is fixedly connected to the top of the electric lifting plate (1), a top plate (6) is fixedly connected to the top of the fixed rod (5), a base (8) is fixedly connected to the top of the electric lifting plate (1), a connecting plate (7) is fixedly connected to the bottom of the top plate (6), and is characterized in that: A clamp (9) is fixedly connected to the top of the base (8). A sleeve (10) is arranged inside the clamp (9). A flaring mechanism (3) is arranged at the bottom of the connecting plate (7). The flaring mechanism (3) includes: A flaring die (301). The flaring die (301) is a hollow circular sleeve structure. The top of the flaring die (301) is rotatably connected to the bottom of the connecting plate (7) through a bearing ring (305). A groove (302) is formed in the inner wall of the flaring die (301). A motor (303) is fixedly connected to the inner wall of the groove (302). A rotating shaft (304) is fixedly connected to the bottom output end of the motor (303). A hinge block (308). A second rotating sleeve (309) is fixedly connected to the bottom of the hinge block (308). A second hinge shaft (310) is rotatably connected to one side of the second rotating sleeve (309). A moving block (311) is fixedly connected to the outer wall of the second hinge shaft (310). The hinge block (308) is used to flare the sleeve (10) by rotation.

2. The flaring machine for a shock absorber sleeve according to claim 1, characterized in that: A first hinge shaft (306) is fixedly connected to the top of the hinge block (308). A first rotating sleeve (307) is rotatably connected to the outer wall of the first hinge shaft (306). A bearing ring (305) is fixedly connected to the outer wall of the first rotating sleeve (307).

3. The flaring machine for a shock absorber sleeve according to claim 2, characterized in that: A telescopic rod (312) is fixedly connected to one side of the moving block (311). A lifting ring (315) is fixedly connected to one end of the telescopic rod (312). The inner wall of the lifting ring (315) is slidably connected to the outer wall of the rotating shaft (304).

4. The flaring machine for a shock absorber sleeve according to claim 3, characterized in that: A vacuum machine (314) is fixedly connected to the bottom of the rotating shaft (304). A connecting pipe (313) is fixedly connected to the top of the vacuum machine (314). One end of the connecting pipe (313) is fixedly connected to the bottom of the telescopic rod (312).

5. The flaring machine for a shock absorber sleeve according to claim 4, characterized in that: The inside of the telescopic rod (312) is communicated with the inside of the vacuum machine (314) through the connecting pipe (313). The telescopic rod (312) is used to stretch and pull the moving block (311) to move horizontally.

6. The flaring machine for a shock absorber sleeve according to claim 5, wherein: One side of the hinge block (308) is an inclined surface. One side of the bottom of the moving block (311) forms an arc surface. The bottom edge of the flaring die (301) forms an arc surface.

7. The flaring machine for a shock absorber sleeve according to claim 6, characterized in that: An auxiliary mechanism (4) is arranged on the outer wall of the moving block (311). The auxiliary mechanism (4) includes a brush strip (401). One end of the brush strip (401) is fixedly connected to the outer wall of the moving block (311). The brush strip (401) is used to stir the inner wall of the sleeve (10).

8. The flaring machine for a shock absorber sleeve according to claim 7, characterized in that: A blade (402) is fixedly connected to the outer wall of the telescopic rod (312) near the lifting ring (315). The outer wall of the blade (402) is an inclined surface. The blade (402) is used to stir the air flow when rotating.

Citation Information

Patent Citations

  • Adjustable pipe roll and support mechanism

    CA2986187A1

  • Forming device of multiple-site pipe end forming machine

    CN101020217A

  • Electric continuous pipe flaring machine with automatic feeding function

    CN106345919A

  • Damper casing pipe flaring machine

    CN221454115U