Hydraulic cylinder steel pipe die for high-precision equal-diameter cold drawing process

Abstract

The utility model is applicable to the technical field of hydraulic cylinder steel pipes, and provides a hydraulic cylinder steel pipe die for a high-precision equal-diameter cold drawing process, which comprises a sleeve, first through grooves are formed in two ends of the sleeve in a penetrating manner, drawing force components are arranged at two ends of the sleeve, and an auxiliary component is arranged at the end part of the sleeve; the auxiliary assembly comprises a round block, second through grooves are formed in the two ends of the round block in a penetrating mode, a hydraulic cylinder steel pipe body is arranged in the first through grooves and the second through grooves in a penetrating mode, rotating wheel assemblies are symmetrically arranged in the second through grooves, and the rotating wheel assemblies are attached to the side wall of the hydraulic cylinder steel pipe body and drive the hydraulic cylinder steel pipe body. According to the hydraulic cylinder steel pipe die for the high-precision equal-diameter cold-drawing process, the auxiliary assemblies are arranged at the two ends of the sleeve, rolling force is applied to the side wall of a drawn hydraulic cylinder steel pipe body, then drawing is assisted, and the cold-drawing effect and efficiency are improved.

Description

Technical Field

[0001] This utility model belongs to the field of hydraulic cylinder steel pipe technology, and in particular relates to a high-precision equal-diameter cold drawing process hydraulic cylinder steel pipe mold. Background Technology

[0002] Hydraulic cylinder steel pipes are a type of steel pipe used in hydraulic cylinders, typically providing support and guidance. They are one of the core components of a hydraulic cylinder, bearing the high pressure of the hydraulic system and guiding the piston. Hydraulic cylinder steel pipes are used in hydraulic equipment, such as machinery, shipbuilding, aviation, and automotive industries, to provide support and guidance, ensuring the normal operation of the hydraulic system.

[0003] Cold drawing of hydraulic cylinder steel pipes is a common processing method in the production of steel pipes. It is mainly used in the production of precision steel pipes. Cold drawing refers to the process of changing the outer diameter and wall thickness of steel pipes at room temperature through the stretching action of a die to achieve the required dimensions and surface quality. Cold drawing of hydraulic cylinder steel pipes can significantly improve their dimensional accuracy, surface finish and mechanical properties, and is suitable for components such as hydraulic cylinders that require high precision and high strength.

[0004] Existing cold drawing methods for hydraulic cylinder steel pipes mostly involve simply stretching the pipe by drawing force, which is slow and ineffective. In response, this application proposes a high-precision equal-diameter cold drawing process for hydraulic cylinder steel pipe molds. Utility Model Content

[0005] The purpose of this invention is to provide a high-precision hydraulic cylinder steel pipe mold for constant diameter cold drawing process, so as to solve the problems in the background art mentioned above.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a hydraulic cylinder steel pipe mold for high-precision equal-diameter cold drawing process, comprising a sleeve, wherein a first through groove is provided at both ends of the sleeve, a drawing force assembly is provided at both ends of the sleeve, and an auxiliary assembly is provided at the end of the sleeve;

[0007] The auxiliary component includes a circular block with a second through groove extending through both ends of the circular block. The hydraulic cylinder steel pipe body is inserted through the interior of the first through groove and the second through groove. A rotating wheel assembly is symmetrically arranged inside the second through groove. The rotating wheel assembly fits against the side wall of the hydraulic cylinder steel pipe body and drives the hydraulic cylinder steel pipe body.

[0008] Preferably, the rotating wheel assembly includes a fixing plate disposed inside the second through groove. A clamping plate and an inverted L-shaped plate are spaced apart on the side of the fixing plate facing the central axis of the second through groove. A wheel body is disposed between the clamping plate and the inverted L-shaped plate. The wheel body has outwardly extending shafts at both ends that are rotatably connected to the clamping plate and the inverted L-shaped plate. The outwardly extending shaft at one end of the wheel body located on the inverted L-shaped plate passes through the inverted L-shaped plate and is connected to a motor.

[0009] Preferably, the second through groove is provided with three rotating wheel assemblies, which are equidistantly distributed in a circular pattern inside the second through groove.

[0010] Preferably, there are two auxiliary components, which are symmetrically arranged at both ends of the sleeve.

[0011] Preferably, one end of the circular block is symmetrically provided with an insertion rod, and the end of the sleeve is provided with an insertion slot, wherein the insertion rod and the insertion slot are connected in cooperation.

[0012] Preferably, the inner wall of the first through groove is provided with a friction pad.

[0013] This utility model has at least the following beneficial effects:

[0014] This utility model provides a hydraulic cylinder steel pipe mold for high-precision equal-diameter cold drawing process. By setting auxiliary components at both ends of the sleeve, a rolling force is applied to the side wall of the hydraulic cylinder steel pipe body being drawn, thereby assisting in the drawing process and improving the cold drawing effect and efficiency. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0016] Figure 2 This is a schematic diagram of the auxiliary component structure of this utility model;

[0017] Figure 3 This is a schematic diagram of the internal structure of the tube body of this utility model.

[0018] In the attached diagram, the following are the reference numerals: 1. Sleeve; 2. First through groove; 3. Friction pad; 4. Round block; 5. Second through groove; 6. Fixing plate; 7. Wheel body; 8. Motor; 9. Insertion rod; 10. Insertion slot; 11. Clamping plate; 12. Inverted L-shaped plate. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present utility model.

[0020] Example

[0021] Please see Figure 1 , Figure 2 and Figure 3This utility model provides a technical solution: a hydraulic cylinder steel pipe mold for high-precision equal diameter cold drawing process, including a sleeve 1, a first through groove 2 through both ends of the sleeve 1, a drawing force assembly at both ends of the sleeve 1, and an auxiliary assembly at the end of the sleeve 1.

[0022] The auxiliary component includes a circular block 4, with a second through groove 5 extending through both ends of the circular block 4. The hydraulic cylinder steel pipe body is inserted through the interior of the first through groove 2 and the second through groove 5. A rotating wheel assembly is symmetrically arranged inside the second through groove 5. The rotating wheel assembly fits against the side wall of the hydraulic cylinder steel pipe body and drives the hydraulic cylinder steel pipe body.

[0023] In this embodiment, the hydraulic cylinder steel pipe body is pulled by the pulling force assembly, the rotating wheel assembly is started, the hydraulic cylinder steel pipe body is driven, and the hydraulic cylinder steel pipe body is pulled out with the assistance.

[0024] Furthermore, the rotating wheel assembly includes a fixed plate 6, which is disposed inside the second through groove 5. Specifically, a telescopic cylinder is provided between the fixed plate 6 and the inner wall of the second through groove 5. The telescopic cylinder is fixedly connected to both the fixed plate 6 and the inner wall of the second through groove 5. A clamping plate 11 and an inverted L-shaped plate 12 are spaced apart on the side of the fixed plate 6 facing the central axis of the second through groove 5. Specifically, the clamping plate 11 and the inverted L-shaped plate 12 are both fixedly connected to the fixed plate 6. A wheel body 7 is provided between the clamping plate 11 and the inverted L-shaped plate 12. The two ends of the wheel body 7 extend outwards and are rotatably connected to the clamping plate 11 and the inverted L-shaped plate 12. The end of the wheel body 7 located on the inverted L-shaped plate 12 extends outwards through the inverted L-shaped plate 12 and is connected to a motor 8. Specifically, the mounting base of the motor 8 is fixedly connected to the inverted L-shaped plate 12.

[0025] In this embodiment, the motor 8 drives the wheel 7 to rotate, and the extended shafts at both ends of the wheel 7 rotate around the clamping plate 11 and the inverted L-shaped plate 12 respectively, driving the hydraulic cylinder steel pipe body.

[0026] Furthermore, the second through groove 5 is provided with three rotating wheel assemblies, which are equidistantly distributed in a circular pattern inside the second through groove 5.

[0027] In this embodiment, three rotating wheel assemblies are provided to drive the hydraulic cylinder steel pipe body in a balanced manner.

[0028] Furthermore, there are two auxiliary components, which are symmetrically arranged at both ends of the sleeve 1.

[0029] In this embodiment, two auxiliary components are provided at both ends of the sleeve 1 to facilitate better pull-out.

[0030] Furthermore, one end of the circular block 4 is symmetrically provided with an insertion rod 9. Specifically, the insertion rod 9 is fixedly connected to the circular block 4, and the end of the sleeve 1 is provided with an insertion slot 10. The insertion rod 9 is connected to the insertion slot 10. Specifically, the insertion rod 9 is inserted into the insertion slot 10 and is slidably connected.

[0031] In this embodiment, the auxiliary component can be fixed by the cooperation between the insertion rod 9 and the insertion slot 10.

[0032] Furthermore, the inner wall of the first through groove 2 is provided with a friction pad 3.

[0033] In this embodiment, a friction pad 3 is provided to facilitate pulling.

[0034] The working principle and usage process of this utility model: After the utility model is installed, work according to the above implementation method until all working steps are completed.

[0035] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. It will be apparent to those skilled in the art that this utility model is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or basic characteristics of this utility model. Therefore, the embodiments should be considered exemplary and non-limiting in all respects. The scope of this utility model is defined by the appended claims rather than the foregoing description. Therefore, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this utility model, and no reference numerals in the claims should be construed as limiting the scope of the claims.

[0036] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A high-precision equal-diameter cold-drawing process for hydraulic cylinder steel pipe mold, comprising a sleeve (1), wherein a first through groove (2) is provided at both ends of the sleeve (1), and a drawing force assembly is provided at both ends of the sleeve (1), characterized in that, The end of the sleeve (1) is provided with an auxiliary component; The auxiliary component includes a circular block (4), with a second through groove (5) extending through both ends of the circular block (4). The hydraulic cylinder steel pipe body is inserted through the interior of the first through groove (2) and the second through groove (5). A rotating wheel assembly is symmetrically arranged inside the second through groove (5). The rotating wheel assembly fits against the side wall of the hydraulic cylinder steel pipe body and drives the hydraulic cylinder steel pipe body.

2. The hydraulic cylinder steel pipe mold for high-precision constant diameter cold drawing process according to claim 1, characterized in that: The rotating wheel assembly includes a fixing plate (6), which is disposed inside the second through groove (5). On the side of the fixing plate (6) facing the central axis of the second through groove (5), there are a clamping plate (11) and an inverted L-shaped plate (12) spaced apart. A wheel body (7) is provided between the clamping plate (11) and the inverted L-shaped plate (12). The two ends of the wheel body (7) extend outwards and are rotatably connected to the clamping plate (11) and the inverted L-shaped plate (12). The end of the wheel body (7) located on the inverted L-shaped plate (12) extends outwards through the inverted L-shaped plate (12) and is connected to a motor (8).

3. The hydraulic cylinder steel pipe mold for high-precision constant diameter cold drawing process according to claim 2, characterized in that: The second through groove (5) is provided with three rotating wheel assemblies, which are equidistantly distributed in a circular pattern inside the second through groove (5).

4. The hydraulic cylinder steel pipe mold for high-precision constant diameter cold drawing process according to claim 3, characterized in that: Two auxiliary components are provided, and the two auxiliary components are symmetrically arranged at both ends of the sleeve (1).

5. A hydraulic cylinder steel pipe mold for high-precision constant diameter cold drawing process according to claim 4, characterized in that: One end of the circular block (4) is symmetrically provided with an insertion rod (9), and the end of the sleeve (1) is provided with an insertion slot (10). The insertion rod (9) and the insertion slot (10) are connected in cooperation.

6. A hydraulic cylinder steel pipe mold for high-precision constant diameter cold drawing process according to claim 5, characterized in that: The inner wall of the first through groove (2) is provided with a friction pad (3).

Images