Drawing machine for metal forming

By designing the outer clamping component set and the inner clamping component set in the drawer, the problems of small clamping area and low strength of the clamping structure in the prior art are solved, and a more stable and flexible clamping effect is achieved, which is suitable for metal pipes of different sizes.

CN222587666UActive Publication Date: 2025-03-11JIANGXI JINXIN COPPER CO LTD
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Patent Information

Application Number
CN202421201290.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-29
Publication Date
2025-03-11
Estimated Expiration
2034-05-29

AI Technical Summary

Technical Problem

The existing puller clamping structure can only clamp the outer surface of the metal pipe, with a small clamping area and low clamping strength, which cannot provide better clamping stability, and the clamping mechanism needs to be adjusted according to the pipe size.

Method used

A drawing machine including an outer clamping component group and an inner clamping component group is designed. The outer clamping component group realizes clamping of the outer surface of the metal tube through the coordination of the threaded rod and the side main frame body; the inner clamping component group realizes clamping of the inner wall of the metal tube by adjusting the coupling of the cylinder and the inner brace plate, improves clamping stability, and can adjust the clamping structure according to the size of the pipe.

Benefits of technology

By increasing the clamping contact surface, the stability and strength of clamping are improved, the practicality of the clamping moving mechanism of the puller is enhanced, and the adaptability to pipes of different sizes is improved.

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Abstract

The utility model relates to the technical field of metal forming equipment, in particular to a drawing machine for metal forming, which comprises an outer clamping component group arranged outside a metal pipe main body, the outer clamping component group is used for clamping the outer surface of the metal pipe main body, an inner supporting and clamping component group is arranged inside the metal pipe main body, and the inner supporting and clamping component group is used for clamping the outer surface of the metal pipe main body. The inner supporting and clamping component set is used for being matched with the outer clamping component set to clamp a metal pipe body, the outer clamping component set comprises a side main frame body, and a first threaded rod piece is arranged in the side main frame body. The clamping and moving mechanism of the drawing machine can be matched with an outer clamping component group, so that a clamping mechanism of a metal pipe main body is locked in the outer box, the clamping contact surface is improved, the clamping stability is improved, and the practicability of the whole clamping and moving mechanism of the drawing machine is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of metal forming equipment, in particular to a drawing machine for metal forming. Background Art

[0002] Drawing machine is an industrial equipment composed of mechanical equipment, lubrication equipment, electrical equipment, hydraulic and pneumatic systems, etc. It is a device for drawing metal materials. Drawing machine is used to draw metal pipes at room temperature.

[0003] When drawing a metal tube on an existing drawing machine, a clamping structure is used to clamp the metal tube, and the metal tube is pulled by moving the clamping structure. However, the existing clamping structure can only clamp the outer surface of the tube, has a small clamping area and low clamping strength, and therefore cannot provide better clamping stability. In addition, a clamping mechanism is required that can be adaptively adjusted according to the size of the clamped tube. Utility Model Content

[0004] In order to overcome the above technical problems, the purpose of the present utility model is to provide a drawing machine for metal forming to solve the problem of the current drawing machine lacking a more stable clamping mechanism as mentioned in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a drawing machine for metal forming, comprising a metal tube main body, an outer clamping component group is arranged on the outside of the metal tube main body, the outer clamping component group is used to clamp the outer surface of the metal tube main body, an inner support clamping component group is arranged on the inside of the metal tube main body, the inner support clamping component group is used to cooperate with the outer clamping component group to clamp the metal tube main body, the outer clamping component group comprises a side main frame, a threaded rod member 1 is arranged on the inside of the side main frame, an outer clamping plate is arranged on one end of the threaded rod member 1, and the threaded rod member 1 is provided with a plurality of outer clamping plates. A guide rod is provided on the side of component one, a connecting lower plate is provided on one side of the side main frame, the inner support clamping component group includes threaded rod component two, a main cross rod is provided at one end of the threaded rod component two, an adjusting cylinder is provided outside the threaded rod component two, a side sleeve one is provided outside the adjusting cylinder, a connecting rod component one is provided outside the side sleeve one, an end head is provided at one end of the connecting rod component one, a vertical frame is provided outside the end head, an inner support plate is provided on one side of the vertical frame, a connecting rod component two is provided at one end of the inner support plate, and a side sleeve two is provided at one end of the connecting rod component two.

[0006] Preferably: the side main frames are provided with two groups, and the two groups of side main frames are symmetrically distributed on both sides of the metal tube body, the two groups of side main frames are connected by connecting the lower plate, the threaded rod one is connected to the side main frame by a thread, one end of the threaded rod one is connected with an anti-slip sleeve, the other end of the threaded rod one is connected to an outer clamping plate by a rotating shaft, and the outer clamping plate is in contact with the outer surface of the metal tube body.

[0007] Preferably: the threaded rod part 1, the outer clamping plate and the guide rod are arranged in four groups, and the four groups of threaded rod parts 1, the outer clamping plate and the guide rod are distributed at the four corners of the metal tube body, one end of the guide rod is connected to the outer clamping plate, and the guide rod is in sliding contact with the side main frame through a through hole.

[0008] Preferably, one end of the second threaded rod is connected to the main cross bar, and the second threaded rod and the main cross bar are located inside the metal tube body.

[0009] Preferably: the surface of the adjusting cylinder is provided with anti-slip textures, the adjusting cylinder is connected to threaded rod member 2 through a threaded hole, the adjusting cylinder is connected to side sleeve member 1 through a bearing, one end of connecting rod member 1 and side sleeve member 1 are connected through a rotating shaft, and the other end of connecting rod member 1 and the end are connected through a rotating shaft.

[0010] Preferably: one end of the vertical frame is connected to the main cross bar, one end of the inner support plate is connected to the end head, the other end of the inner support plate is connected to the second connecting rod through a rotating shaft, and the end of the second connecting rod away from the inner support plate is connected to the second side sleeve through a rotating shaft.

[0011] Preferably, the side sleeve 2 is in sliding contact with the main cross bar through the through hole, and the outside of the inner support plate is in contact with the inner wall of the metal tube body.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. A metal forming drawing machine is provided with an outer clamping component group and an inner support clamping component group. When a metal tube is drawn on an existing drawing machine, a clamping structure is used to clamp the metal tube, and the metal tube is pulled by moving the clamping structure. However, the existing clamping structure can only clamp the outer surface of the tube, and has a small clamping area and low clamping strength, so it cannot provide better clamping stability. In the corresponding designed outer clamping component group and inner support clamping component group, the outside of the side main frame is connected to the driving mechanism on the drawing machine, and the movement of the outer clamping component group and the inner support clamping component group is driven by the external driving mechanism, so as to pull one end of the metal tube body. In the outer clamping component group, the threaded rod is rotated, and the threaded rod is rotated through The threaded structure moves in the side main frame, thereby driving the outer clamping plate to contact the outer surface of the metal tube body, and the outer surface of the metal tube body is clamped by four groups of outer clamping plates. In the inner support clamping component group, the adjusting cylinder is rotated to move the position of the adjusting cylinder on the threaded rod member 2. The movement of the adjusting cylinder drives the side sleeve 1, the connecting rod member 1, the end, the vertical frame, the inner support plate, the connecting rod member 2 and the side sleeve 2 to move together. The position of the inner support plate will contact the inner wall surface of the metal tube body, so that it can cooperate with the outer clamping component group, so as to lock the clamping mechanism of the metal tube body in the outer box, thereby increasing the clamping contact surface, thereby increasing the stability of the clamping, and improving the practicality of the overall drawing machine clamping and moving mechanism.

[0014] 2. This kind of metal forming drawing machine is provided with an outer clamping component group and an inner support clamping component group, and requires a clamping mechanism that can be adaptively adjusted according to the size of the clamped pipe. In the correspondingly designed outer clamping component group and inner support clamping component group, the outer clamping component group and the inner support clamping component group structure can be adaptively adjusted according to the size of the metal pipe body, thereby improving the applicability of the overall mobile clamping mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0016] Figure 2 It is a schematic structural diagram of the overall back of the utility model;

[0017] Figure 3 It is a structural schematic diagram of the inner support clamping component assembly of the utility model;

[0018] Figure 4 For the utility model Figure 3 The structural diagram at A in the middle;

[0019] Figure 5 It is a schematic structural diagram of the overall cross-section of the utility model;

[0020] Figure 6For the utility model Figure 5 Schematic diagram of the structure at B in the figure.

[0021] In the figure: 01, metal tube body; 02, external clamping component group; 21, side main frame; 22, threaded rod one; 23, external clamping plate; 24, guide rod; 25, connecting lower plate; 03, internal support clamping component group; 31, threaded rod two; 32, main cross bar; 33, adjusting cylinder; 34, side sleeve one; 35, connecting rod one; 36, end; 37, vertical frame; 38, internal support plate; 39, connecting rod two; 310, side sleeve two. DETAILED DESCRIPTION

[0022] 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.

[0023] See also Figure 1-6 The utility model provides an embodiment: a metal forming drawing machine, including a metal tube body 01, an outer clamping component group 02 is arranged outside the metal tube body 01, and the outer clamping component group 02 is used to clamp the outer surface of the metal tube body 01, and an inner support clamping component group 03 is arranged inside the metal tube body 01, and the inner support clamping component group 03 is used to cooperate with the outer clamping component group 02 to clamp the metal tube body 01, and the outer clamping component group 02 includes a side main frame 21, and a threaded rod 22 is arranged inside the side main frame 21, and an outer clamping plate 23 is arranged at one end of the threaded rod 22, and a side of the threaded rod 22 is arranged There is a guide rod 24, and a connecting lower plate 25 is provided on one side of the side main frame body 21. The inner support clamp component group 03 includes a threaded rod 2 31, and a main cross bar 32 is provided at one end of the threaded rod 2 31, an adjusting cylinder 33 is provided outside the threaded rod 2 31, a side sleeve 1 34 is provided outside the adjusting cylinder 33, a connecting rod 1 35 is provided outside the side sleeve 1 34, and an end 36 is provided at one end of the connecting rod 1 35, and a vertical frame 37 is provided outside the end 36, an inner support plate 38 is provided on one side of the vertical frame 37, a connecting rod 2 39 is provided at one end of the inner support plate 38, and a side sleeve 2 310 is provided at one end of the connecting rod 2 39.

[0024] There are two groups of side main frames 21, and the two groups of side main frames 21 are symmetrically distributed on both sides of the metal tube body 01. The two groups of side main frames 21 are connected by connecting the lower plate 25. The threaded rod 22 is connected to the side main frame 21 through threads. One end of the threaded rod 22 is connected with an anti-slip sleeve, and the other end of the threaded rod 22 is connected to the outer clamping plate 23 through a rotating shaft. The outer clamping plate 23 is in contact with the outer surface of the metal tube body 01.

[0025] There are four groups of threaded rods 22, outer clamping plates 23 and guide rods 24, and the four groups of threaded rods 22, outer clamping plates 23 and guide rods 24 are distributed at the four corners of the metal tube body 01, one end of the guide rod 24 is connected to the outer clamping plate 23, and the guide rod 24 is in sliding contact with the side main frame 21 through a through hole.

[0026] One end of the second threaded rod 31 is connected to the main cross bar 32 , and the second threaded rod 31 and the main cross bar 32 are located inside the metal tube body 01 .

[0027] The surface of the adjusting cylinder 33 is provided with anti-slip textures. The adjusting cylinder 33 is connected to the threaded rod 31 through a threaded hole. The adjusting cylinder 33 is connected to the side sleeve 34 through a bearing. One end of the connecting rod 35 is connected to the side sleeve 34 through a rotating shaft. The other end of the connecting rod 35 is connected to the end 36 through a rotating shaft.

[0028] One end of the vertical frame 37 is connected to the main cross bar 32, one end of the inner support plate 38 is connected to the end 36, the other end of the inner support plate 38 is connected to the connecting rod 39 through a rotating shaft, and the end of the connecting rod 39 away from the inner support plate 38 is connected to the side sleeve 310 through a rotating shaft.

[0029] The side sleeve 2 310 is in sliding contact with the main cross bar 32 through the through hole, and the outer part of the inner support plate 38 is in contact with the inner wall of the metal tube body 01.

[0030] Working principle: When drawing a metal tube on an existing drawing machine, a clamping structure is used to clamp the metal tube, and the metal tube is pulled by moving the clamping structure. However, the existing clamping structure can only clamp the outer surface of the tube, and has a small clamping area and low clamping strength, and therefore cannot provide better clamping stability. In the correspondingly designed external clamping component group 02 and internal support clamping component group 03, the external part of the side main frame 21 is connected to the driving mechanism on the drawing machine, and the movement of the external clamping component group 02 and the internal support clamping component group 03 is driven by the external driving mechanism, so as to pull one end of the metal tube main body 01. In the external clamping component group 02, the threaded rod 22 is rotated, and the threaded rod 22 rotates and moves its position in the side main frame 21 through the threaded structure, thereby driving the external The clamping plate 23 contacts with the outer surface of the metal tube body 01, and the outer surface of the metal tube body 01 is clamped by four groups of outer clamping plates 23. In the inner support clamping component group 03, the adjusting cylinder 33 is rotated to move the position of the adjusting cylinder 33 on the threaded rod 31. The movement of the adjusting cylinder 33 drives the side sleeve 1 34, the connecting rod 1 35, the end 36, the vertical frame 37, the inner support plate 38, the connecting rod 2 39 and the side sleeve 2 310 to move together. The position of the inner support plate 38 will contact with the inner wall surface of the metal tube body 01, so that it can cooperate with the outer clamping component group 02, so as to lock the clamping mechanism of the metal tube body 01 in the outer box, thereby increasing the clamping contact surface, thereby increasing the stability of the clamping, and improving the practicality of the overall drawing machine clamping and moving mechanism. A clamping mechanism is required that can be adaptively adjusted according to the size of the clamped pipe. In the correspondingly designed external clamping component group 02 and internal support clamping component group 03, the structure of the external clamping component group 02 and the internal support clamping component group 03 can be adaptively adjusted according to the size of the metal pipe body 01, thereby improving the applicability of the overall mobile clamping mechanism.

[0031] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A drawing machine for metal forming, comprising a metal tube body (01), characterized in that: The metal tube body (01) is provided with an external clamping component group (02) on the outside, and the external clamping component group (02) is used to clamp the outer surface of the metal tube body (01). The metal tube body (01) is provided with an internal clamping component group (03) on the inside, and the internal clamping component group (03) is used to cooperate with the external clamping component group (02) to clamp the metal tube body (01). The external clamping component group (02) includes a side main frame (21), and the side main frame (21) is provided with a threaded rod (22) on the inside, and an external clamping plate (23) is provided at one end of the threaded rod (22), and a guide rod (24) is provided on the side of the threaded rod (22). One side of the side main frame (21) is provided with a connecting rod (24) for connecting the lower The inner support clamping component group (03) comprises a second threaded rod (31), one end of which is provided with a main cross bar (32), an adjusting cylinder (33) is arranged outside the second threaded rod (31), a side sleeve (34) is arranged outside the adjusting cylinder (33), a connecting rod (35) is arranged outside the side sleeve (34), one end of the connecting rod (35) is provided with an end head (36), a vertical frame (37) is arranged outside the end head (36), an inner support plate (38) is arranged on one side of the vertical frame (37), a connecting rod (39) is arranged at one end of the inner support plate (38), and a side sleeve (310) is arranged at one end of the connecting rod (39).

2. A metal forming drawing machine according to claim 1, characterized in that: The side main frame (21) is provided with two groups, and the two groups of side main frame (21) are symmetrically distributed on both sides of the metal tube body (01), and the two groups of side main frame (21) are connected by connecting the lower plate (25), and the threaded rod (22) is connected to the side main frame (21) by threads, and one end of the threaded rod (22) is connected to an anti-slip sleeve, and the other end of the threaded rod (22) is connected to an outer clamping plate (23) through a rotating shaft, and the outer clamping plate (23) is in contact with the outer surface of the metal tube body (01).

3. A metal forming drawing machine according to claim 1, characterized in that: The threaded rod (22), the outer clamping plate (23) and the guide rod (24) are provided in four groups, and the four groups of threaded rod (22), the outer clamping plate (23) and the guide rod (24) are distributed at the four corners of the metal tube body (01), one end of the guide rod (24) is connected to the outer clamping plate (23), and the guide rod (24) is in sliding contact with the side main frame (21) through a through hole.

4. A metal forming drawing machine according to claim 1, characterized in that: One end of the second threaded rod (31) is connected to the main cross bar (32), and the second threaded rod (31) and the main cross bar (32) are located inside the metal pipe body (01).

5. A metal forming drawing machine according to claim 1, characterized in that: The surface of the adjusting cylinder (33) is provided with anti-slip patterns. The adjusting cylinder (33) is connected to the threaded rod member 2 (31) via a threaded hole. The adjusting cylinder (33) is connected to the side sleeve member 1 (34) via a bearing. One end of the connecting rod member 1 (35) is connected to the side sleeve member 1 (34) via a rotating shaft. The other end of the connecting rod member 1 (35) is connected to the end head (36) via a rotating shaft.

6. A metal forming drawing machine according to claim 1, characterized in that: One end of the vertical frame (37) is connected to the main cross bar (32), one end of the inner support plate (38) is connected to the end head (36), the other end of the inner support plate (38) is connected to the second connecting rod (39) via a rotating shaft, and the end of the second connecting rod (39) away from the inner support plate (38) is connected to the second side sleeve (310) via a rotating shaft.

7. A metal forming drawing machine according to claim 1, characterized in that: The side sleeve 2 (310) is in sliding contact with the main cross bar (32) through the through hole, and the outside of the inner support plate (38) is in contact with the inner wall of the metal tube body (01).