Swing steel pipe double-end necking device

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By designing brackets, cylinders and other components in the swing steel pipe double-head shrinkage device, the stamping and shaping of the steel pipe is achieved, solving the problem of the inaccurate control of the shrinkage size and shape, and improving product quality and use safety.

CN222643050UActive Publication Date: 2025-03-21NINGBO BOHENG LEISURE PROD CO LTD

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Patent Information

Application Number: CN202421291161.6
Authority / Receiving Office: CN · China
Patent Type: Utility models(China)
Current Assignee / Owner
Filing Date: 2024-06-07
Publication Date: 2025-03-21
Estimated Expiration: 2034-06-07

AI Technical Summary

Technical Problem

The existing swing steel pipe double-head shrinking device fails to pass through the stamping inlet, resulting in the inlet and shape of the shrinking port being unable to be accurately controlled, affecting the quality of the pipe and the safety of use.

Method used

A retracting mechanism including a bracket, a cylinder, a moving block, a mounting frame, a limit groove, a limit block, a slider, a slider, a first bolt and a mold is designed. The moving block is pushed by the cylinder, the mold is put on the steel pipe for stamping, and the accurate positioning of the bracket is ensured through the limit groove and a limit block.

Benefits of technology

Through accurate positioning during the stamping process, the stability and accuracy of steel pipes in the mold are ensured, the consistency of product quality and size is improved, and the safety of use is enhanced.

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Abstract

The utility model relates to the related technical field of steel pipe necking, in particular to a swing steel pipe double-end necking device which is characterized in that a support is mounted at the upper end of a base, an air cylinder is mounted in the support, a moving block is mounted at one end of the air cylinder, a mounting frame is mounted on the outer side of the moving block, and limiting grooves are formed in the two ends of the mounting frame; through the arrangement of the support, the air cylinder, the moving block, the mounting frame, the limiting groove, the limiting block, the sliding block, the sliding groove, the first bolt and the die, the moving block is pushed by the air cylinder, the die is driven by the moving block to sleeve a steel pipe, the steel pipe is stamped into the die, in the pushing process, the support is limited by the limiting groove and the limiting block, and inaccuracy caused by shaking in the stamping process is avoided; and through the arrangement of the limiting groove and the limiting block, the bracket is accurately positioned in the stamping process, so that the accurate positioning and the stability of the steel pipe in the die are ensured. Consistency of quality and size of the product can be ensured.

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Description

Technical Field

[0001] The utility model relates to the technical field related to steel pipe shrinkage, and in particular to a double-end shrinkage device for a swing steel pipe. Background Art

[0002] A swing is a common amusement facility, usually consisting of a beam and seats suspended at both ends of the beam. In order to ensure the stability and safety of the swing, the swing seat needs to be firmly mounted on the beam and needs to have a certain durability and load-bearing capacity. After the steel pipe is shrunken, the beam and the bracket can be easily connected, and have sufficient load-bearing capacity and durability to withstand the pressure from the swing of the seat and the weight of the user. The shrinking design of this device makes installation more convenient and also improves the stability and safety of the connection.

[0003] However, most of the existing double-end shrinking devices for swing steel pipes do not use stamping to shrink the pipes, and are not shaped by stamping, resulting in that the size and shape of the shrinkage cannot be accurately controlled and guaranteed, which may affect the quality and safety of the pipes. Utility Model Content

[0004] The purpose of the utility model is to provide a double-end shrinking device for a swing steel pipe, so as to solve the problem that most of the existing double-end shrinking devices for swing steel pipes proposed in the above background technology do not use stamping to shrink the pipe, and are not shaped by stamping, resulting in that the size and shape of the shrinkage cannot be accurately controlled and guaranteed, which may affect the quality of the pipe and the safety of use.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a double-end shrinking device for a swing steel pipe, comprising a base, a shrinking mechanism is arranged at the upper end of the base, and a clamping mechanism is arranged at the upper end of the base;

[0006] The shrinking mechanism includes a bracket, a cylinder, a moving block, a mounting frame, a limit groove, a limit block, a slider, a slide groove, a first bolt and a mold. The bracket is installed at the upper end of the base, the cylinder is installed inside the bracket, the moving block is installed at one end of the cylinder, the mounting frame is installed on the outside of the moving block, the limiting grooves are provided at both ends of the mounting frame, the limiting block is installed inside the limiting groove, the slider is installed at the front end of the mounting frame, the slide groove is installed on the outside of the slider, the first bolt is installed on the upper end of the slide groove, and the mold is installed on one side of the slide groove.

[0007] Preferably, the moving block forms a telescopic structure with the base through a cylinder, and the moving block fits tightly with the mounting frame.

[0008] Preferably, the mounting frame is connected to the base via a limiting groove and a limiting block, and the mounting frame forms a telescopic structure with the base via the limiting groove and the limiting block.

[0009] Preferably, the slider and the slide groove fit tightly, and the mold is connected to the slider via the slide groove and the first bolt.

[0010] Preferably, the clamping mechanism includes a support frame, a hydraulic cylinder, an upper clamp, a mounting block, a lower clamp, a second bolt, a mounting plate, a third bolt, a support block and a limit plate, the support frame is installed at the upper end of the base, the hydraulic cylinder is installed inside the support frame, the upper clamp is installed at the lower end of the hydraulic cylinder, the mounting block is installed at the upper end of the base, the lower clamp is installed at the upper end of the mounting block, the second bolt is installed on one side surface of the mounting block, the mounting plate is installed at the upper end of the base, the third bolt is installed at the upper end of the mounting plate, the upper end of the mounting plate is provided with a support block, and a limit plate is installed at one end of the mounting plate.

[0011] Preferably, the upper clamp fits tightly with the lower clamp.

[0012] Preferably, the lower clamp is connected to the base via a mounting block and a second bolt, and the mounting plate is connected to the base via a third bolt.

[0013] Compared with the prior art, the utility model has the following beneficial effects: through the arrangement of the bracket, cylinder, moving block, mounting bracket, limiting groove, limiting block, slider, slide groove, first bolt and mold, the moving block is pushed by the cylinder, and the moving block drives the mold to be sleeved on the steel pipe, so that the steel pipe is punched into the mold, and in the pushing process, the limiting groove and limiting block limit the bracket to avoid shaking during the punching process and causing inaccuracy. Through the arrangement of the limiting groove and limiting block, the bracket is accurately positioned during the punching process, thereby ensuring the accurate positioning and stability of the steel pipe in the mold. This can ensure the quality and size consistency of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the side view of the appearance structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the structure of the utility model when in use;

[0016] Figure 3 This is a schematic diagram of the structure of the cooperation between the limit groove and the limit block of the utility model;

[0017] Figure 4 This is a schematic diagram of the structure of the slider and the slide groove cooperating with each other in the utility model;

[0018] Figure 5 This is a schematic diagram of the structure of the mounting block and the lower clamp cooperating with each other in the utility model;

[0019] Figure 6 This is a schematic diagram of the structure in which the mounting plate and the third bolt cooperate with each other in the utility model.

[0020] In the figure: 1. base; 2. shrinking mechanism; 201. bracket; 202. cylinder; 203. moving block; 204. mounting frame; 205. limiting groove; 206. limiting block; 207. slider; 208. slide groove; 209. first bolt; 210. mold; 3. clamping mechanism; 301. supporting frame; 302. hydraulic cylinder; 303. upper clamp; 304. mounting block; 305. lower clamp; 306. second bolt; 307. mounting plate; 308. third bolt; 309. supporting block; 310. limiting plate. DETAILED DESCRIPTION

[0021] 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.

[0022] See also Figure 1-6 The utility model provides a technical solution: a double-end shrinking device for a swing steel pipe, comprising a base 1, a shrinking mechanism 2 is arranged at the upper end of the base 1, and a clamping mechanism 3 is arranged at the upper end of the base 1;

[0023] The shrinking mechanism 2 includes a bracket 201, a cylinder 202, a moving block 203, a mounting frame 204, a limiting groove 205, a limiting block 206, a slider 207, a slide groove 208, a first bolt 209 and a mold 210. The bracket 201 is installed at the upper end of the base 1, the cylinder 202 is installed inside the bracket 201, the moving block 203 is installed at one end of the cylinder 202, the mounting frame 204 is installed on the outside of the moving block 203, the limiting grooves 205 are provided at both ends of the mounting frame 204, the limiting block 206 is installed inside the limiting groove 205, and the slider 209 is installed at the front end of the mounting frame 204. 07, a slide groove 208 is installed on the outer side of the slider 207, a first bolt 209 is installed on the upper end of the slide groove 208, and a mold 210 is installed on one side of the slide groove 208. Through the setting of the bracket 201, the cylinder 202, the moving block 203, the mounting frame 204, the limit groove 205, the limit block 206, the slider 207, the slide groove 208, the first bolt 209 and the mold 210, the cylinder 202 pushes the moving block 203, the moving block 203 drives the mounting frame 204, and the mold 210 punches the steel pipe, and the rapid punching and stability make the punching process fast. This fast response design helps to improve production efficiency and reduce production cycle.

[0024] Furthermore, the moving block 203 forms a telescopic structure with the base 1 through the cylinder 202, and the moving block 203 fits tightly with the mounting frame 204. Through the arrangement of the cylinder 202, the moving block 203 and the mounting frame 204, the cylinder 202, as a power source, can quickly drive the movement of the moving block 203, thereby achieving rapid response and efficient execution of the shrinking process and improving production efficiency.

[0025] Furthermore, the mounting frame 204 is connected to the base 1 through the limit groove 205 and the limit block 206. The mounting frame 204 forms a telescopic structure with the base 1 through the limit groove 205 and the limit block 206. Through the setting of the mounting frame 204, the limit groove 205 and the limit block 206, the design of the limit groove 205 and the limit block 206 can achieve accurate positioning of the position of the mounting frame 204, ensuring the accurate positioning of the mechanism during operation and avoiding processing errors or product quality problems caused by position deviation.

[0026] Furthermore, the slider 207 and the slide groove 208 fit closely, and the mold 210 is connected to the slider 207 through the slide groove 208 and the first bolt 209. Through the arrangement of the slider 207, the slide groove 208, the first bolt 209 and the mold 210, the slider 207 and the slide groove 208 fit closely to ensure the stable connection between the mold 210 and the slider 207, and the design of the first bolt 209 allows the mold 210 to be easily installed or removed. Such a design makes the replacement of the mold 210 simple and quick, saves the mold change time on the production line, and improves production efficiency.

[0027] Furthermore, the clamping mechanism 3 includes a support frame 301, a hydraulic cylinder 302, an upper clamp 303, a mounting block 304, a lower clamp 305, a second bolt 306, a mounting plate 307, a third bolt 308, a support block 309 and a limit plate 310. The support frame 301 is installed at the upper end of the base 1, the hydraulic cylinder 302 is installed inside the support frame 301, the upper clamp 303 is installed at the lower end of the hydraulic cylinder 302, the mounting block 304 is installed at the upper end of the base 1, the lower clamp 305 is installed at the upper end of the mounting block 304, the second bolt 306 is installed on one side surface of the mounting block 304, the mounting plate 307 is installed at the upper end of the base 1, and the mounting plate 310 is installed at the lower end of the mounting block 304. A third bolt 308 is installed on the upper end of 07, a support block 309 is arranged on the upper end of the mounting plate 307, a limit plate 310 is installed on one end of the mounting plate 307, and through the support frame 301, the hydraulic cylinder 302, the upper clamp 303, the mounting block 304, the lower clamp 305, the second bolt 306, the mounting plate 307, the third bolt 308, the support block 309 and the limit plate 310, the hydraulic cylinder 302 pushes the upper clamp 303 to fit the upper clamp 303 with the lower clamp 305, so as to clamp the steel pipe inside, so as to ensure that the steel pipe will not move or deform during the stamping process, thereby ensuring the stability and accuracy of the processing.

[0028] Furthermore, the upper clamp 303 fits tightly with the lower clamp 305. Through the setting of the hydraulic cylinder 302, the upper clamp 303 and the lower clamp 305, the upper clamp 303 fits tightly with the lower clamp 305. The pressure provided by the hydraulic cylinder 302 is evenly distributed on the surface of the clamp, ensuring that the steel pipe is evenly clamped to avoid local extrusion or deformation.

[0029] Furthermore, the lower fixture 305 is connected to the base 1 through the mounting block 304 and the second bolt 306, and the mounting plate 307 is connected to the base 1 through the third bolt 308. Through the arrangement of the mounting block 304, the lower fixture 305, the second bolt 306, the mounting plate 307, and the third bolt 308, the lower fixture 305 can be replaced by disassembling the second bolt 306, and the mounting plate 307 can be disassembled by disassembling the third bolt 308. By designing the connection method between the lower fixture 305 and the base 1, the lower fixture 305 can be easily replaced by disassembling the second bolt 306. Similarly, the mounting plate 307 can also be conveniently disassembled and replaced by disassembling the third bolt 308. This design simplifies the maintenance and replacement process, reduces downtime, and improves production efficiency.

[0030] Working principle: When using this device, first place the steel pipe inside the lower mold 210, then support the steel pipe through the support block 309, then place the other end of the steel pipe against the limit plate 310, and then start the hydraulic cylinder 302 to push the upper clamp 303 to the upper end of the lower clamp 305 to clamp the steel pipe, and then start the cylinder 202, the cylinder 202 pushes the moving block 203 to drive the mounting frame 204 to move, the mounting frame 204 with the limit groove 205 moves on the limit block 206, the mounting frame 204 pushes the mold 210, and the processed steel pipe is stamped into the inside, and after waiting for a while, the cylinder 202 is retracted. , lift the hydraulic cylinder 302, remove the steel pipe, and then when stamping, if you need to stamp different sizes of shrinkage, remove the first screw, disassemble the mold 210 through the slider 207 and the slide groove 208, and then replace the new mold 210 for installation. If the clamping is unstable, remove the second bolt 306, and then replace the lower clamp 305 with a suitable one. If the length is not suitable, remove the third bolt 308, write the mounting plate 307, and replace the mounting plate 307 of appropriate length again. In this way, the use of a double-head shrinkage device for a swing steel pipe is completed.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A double-end shrinking device for a swing steel pipe, comprising a base (1), characterized in that: The upper end of the base (1) is provided with a necking mechanism (2), and the upper end of the base (1) is provided with a clamping mechanism (3); The shrinking mechanism (2) comprises a bracket (201), a cylinder (202), a moving block (203), a mounting frame (204), a limiting groove (205), a limiting block (206), a slider (207), a slide groove (208), a first bolt (209) and a mold (210); the bracket (201) is mounted on the upper end of the base (1); the cylinder (202) is mounted inside the bracket (201); the moving block (203) is mounted on one end of the cylinder (202); A mounting frame (204) is installed on the outer side of the moving block (203), and limiting grooves (205) are provided at both ends of the mounting frame (204). A limiting block (206) is installed inside the limiting groove (205). A sliding block (207) is installed at the front end of the mounting frame (204), and a sliding groove (208) is installed on the outer side of the sliding block (207). A first bolt (209) is installed at the upper end of the sliding groove (208), and a mold (210) is installed on one side of the sliding groove (208).

2. A double-end shrinking device for a swing steel pipe according to claim 1, characterized in that: The moving block (203) forms a telescopic structure with the base (1) via the cylinder (202), and the moving block (203) is tightly fitted with the mounting frame (204).

3. A double-end shrinking device for a swing steel pipe according to claim 1, characterized in that: The mounting frame (204) is connected to the base (1) via a limiting groove (205) and a limiting block (206); the mounting frame (204) forms a telescopic structure with the base (1) via the limiting groove (205) and the limiting block (206).

4. A double-end shrinking device for a swing steel pipe according to claim 1, characterized in that: The slider (207) and the slide groove (208) are tightly fitted, and the mold (210) is connected to the slider (207) via the slide groove (208) and the first bolt (209).

5. A double-end shrinking device for a swing steel pipe according to claim 1, characterized in that: The clamping mechanism (3) comprises a support frame (301), a hydraulic cylinder (302), an upper clamp (303), a mounting block (304), a lower clamp (305), a second bolt (306), a mounting plate (307), a third bolt (308), a support block (309) and a limit plate (310); the support frame (301) is mounted on the upper end of the base (1); the hydraulic cylinder (302) is mounted inside the support frame (301); and the upper clamp (303) is mounted on the lower end of the hydraulic cylinder (302). A mounting block (304) is mounted on the upper end of the base (1), a lower clamp (305) is mounted on the upper end of the mounting block (304), a second bolt (306) is mounted on one side surface of the mounting block (304), a mounting plate (307) is mounted on the upper end of the base (1), a third bolt (308) is mounted on the upper end of the mounting plate (307), a support block (309) is provided on the upper end of the mounting plate (307), and a limiting plate (310) is mounted on one end of the mounting plate (307).

6. A double-end shrinking device for a swing steel pipe according to claim 5, characterized in that: The upper clamp (303) and the lower clamp (305) fit tightly together.

7. A double-end shrinking device for a swing steel pipe according to claim 5, characterized in that: The lower clamp (305) is connected to the base (1) via a mounting block (304) and a second bolt (306), and the mounting plate (307) is connected to the base (1) via a third bolt (308).