Thin-wall metal pipe necking die

Abstract

The utility model discloses a thin-wall metal pipe necking die which comprises a base, supporting seats are fixed to the two sides of the base, a sliding rail is installed on one side of each supporting seat, a sliding block is arranged on the outer side of each sliding rail in a sleeved mode, a first hydraulic cylinder is installed above each supporting seat, a first hydraulic rod is installed on one side of each first hydraulic cylinder, and a second hydraulic rod is installed on the other side of each first hydraulic cylinder. A fixing frame is fixed to one side of the first hydraulic rod, a mold body is installed on the inner side of the fixing frame, bolts penetrate through the two sides of the upper portion of the fixing frame, and a supporting frame is fixed to the upper portion of the base. According to the thin-wall metal pipe necking die, the fixing frame, the die body and the bolts are used in cooperation, the die body and the fixing frame are fixed through the bolts in the using process of the thin-wall metal pipe necking die, when the die body needs to be disassembled and replaced, a worker can quickly disassemble the die body only by rotating the bolts, and the labor intensity of the worker is relieved. And therefore, the time for disassembling the mold body by workers is shortened.

Description

Technical Field

[0001] The utility model relates to the technical field related to shrinking moulds, in particular to a thin-wall metal pipe shrinking mould. Background Art

[0002] Narrowing die is a kind of die structure, whose main function is to reduce the diameter of the mouth of pre-drawn cylindrical parts or tubular parts to form the required shape. This kind of die is widely used in many fields, including but not limited to national defense, machinery manufacturing and daily necessities industry. Narrowing die can be used to reduce the diameter of the mouth of thin-walled metal tubes. It is widely used in the field of metal processing, especially in occasions requiring high-precision and high-quality shrinking treatment.

[0003] In the existing shrinking mold, the shrinking mold is not easy to disassemble, which makes the maintenance process of the shrinking mold by the staff complicated and time-consuming, and prolongs the maintenance time of the shrinking mold by the staff. Therefore, it is necessary to propose a thin-walled metal tube shrinking mold. Utility Model Content

[0004] The utility model aims to provide a thin-wall metal pipe shrinking die to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a thin-walled metal tube shrinking mold, comprising a base, support seats are fixed on both sides of the base, a slide rail is installed on one side of the support seat, a sliding block is sleeved on the outer side of the slide rail, a first hydraulic cylinder is installed above the support seat, a first hydraulic rod is installed on one side of the first hydraulic cylinder, a fixing frame is fixed on one side of the first hydraulic rod, a mold body is installed on the inner side of the fixing frame, bolts penetrate both sides of the top of the fixing frame, a support frame is fixed above the base, a second hydraulic cylinder is installed below the support frame, a second hydraulic rod is installed below the second hydraulic cylinder, and a first fixing clamp is fixed to the second hydraulic rod.

[0006] Preferably, the fixing frame forms a telescopic structure with the support seat through the first hydraulic rod, and the support seat is symmetrically arranged with respect to the central axis of the base.

[0007] Preferably, the fixed frame forms a sliding structure through a slider and a slide rail, and the slide rail is arranged in an "I"-shaped structure.

[0008] Preferably, the mold body is threadedly connected to the fixing frame via bolts, and the bolts are symmetrically arranged with respect to the central axis of the fixing frame.

[0009] Preferably, the first fixing clamp forms a lifting structure with the support frame through a second hydraulic rod, and the support frame is arranged in an "L"-shaped structure.

[0010] Preferably, a fixing seat is fixed on one side of the support frame, and a second fixing clip is fixed above the fixing seat.

[0011] Preferably, the second fixing clip matches the first fixing clip in shape, and the first fixing clip and the second fixing clip are used in conjunction with each other.

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

[0013] 1. A thin-walled metal tube shrinking die is used in combination with a fixing frame, a die body and bolts. During the use of the device, the die body and the fixing frame are fixed by bolts. When the die body needs to be disassembled and replaced, the staff only needs to rotate the bolts to quickly disassemble the die body, thereby shortening the time for the staff to disassemble the die body;

[0014] 2. The thin-walled metal tube shrinking die is provided with a base, a support seat, a slide rail, a slider, a first hydraulic cylinder and a first hydraulic rod. During the use of the device, the first hydraulic cylinder is installed on both sides of the base. When the switch of the first hydraulic cylinder is turned on, the first hydraulic rod drives the fixed frame to expand and contract at the same time, so that the staff can shrink the two ends of the metal tube at the same time, saving the time for processing the metal tube and improving the processing efficiency of the metal tube;

[0015] 3. This thin-walled metal tube shrinking mold is provided with a support frame, a second hydraulic cylinder, a second hydraulic rod, a first fixing clamp, a fixing seat and a second fixing clamp. During the use of the device, by turning on the switch of the second hydraulic cylinder, the second hydraulic rod drives the first fixing clamp to move up and down. The coordinated use of the first fixing clamp and the second fixing clamp can fix the metal tube that needs to be shrunken, thereby improving the stability of the metal tube shrinking. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the fixed frame structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the mold structure of the utility model;

[0019] Figure 4 This is a schematic diagram of the first fixing clamp structure of the utility model.

[0020] In the figure: 1. base; 2. support seat; 3. slide rail; 4. slide block; 5. first hydraulic cylinder; 6. first hydraulic rod; 7. fixed frame; 8. mold body; 9. bolt; 10. support frame; 11. second hydraulic cylinder; 12. second hydraulic rod; 13. first fixing clamp; 14. fixing seat; 15. second fixing clamp. 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 1-3 The utility model provides a technical solution: a thin-walled metal tube shrinking mold, including a base 1, a support base 2 is fixed on both sides of the base 1, a fixed frame 7 forms a telescopic structure with the support base 2 through a first hydraulic rod 6, the support base 2 is symmetrically arranged with the central axis of the base 1, and a first hydraulic cylinder 5 is installed on both sides of the base 1, so that both ends of the metal tube can be shrunken at the same time, a slide rail 3 is installed on one side of the support base 2, a slider 4 is sleeved on the outer side of the slide rail 3, a first hydraulic cylinder 5 is installed above the support base 2, a first hydraulic rod 6 is installed on one side of the first hydraulic cylinder 5, and a fixed frame 7 is fixed on one side of the first hydraulic rod 6, the fixed frame 7 forms a sliding structure with the slide rail 3 through the slider 4, the slide rail 3 is arranged in an "I"-shaped structure, the slider 4 can drive the fixed frame 7 to slide, a mold body 8 is installed on the inner side of the fixed frame 7, the mold body 8 is threadedly connected to the fixed frame 7 through bolts 9, and the bolts 9 are symmetrically arranged with the central axis of the fixed frame 7, so that the staff can disassemble the mold body 8, and bolts 9 are passed through both sides of the upper side of the fixed frame 7;

[0023] See also Figure 1 and Figure 4 A support frame 10 is fixed above the base 1, a second hydraulic cylinder 11 is installed below the support frame 10, a second hydraulic rod 12 is installed below the second hydraulic cylinder 11, a first fixing clamp 13 is fixed to the second hydraulic rod 12, the first fixing clamp 13 and the support frame 10 form a lifting structure through the second hydraulic rod 12, the support frame 10 is an "L"-shaped structure, and the height of the first fixing clamp 13 is automatically adjusted. A fixing seat 14 is fixed on one side of the support frame 10, and a second fixing clamp 15 is fixed above the fixing seat 14. The second fixing clamp 15 is consistent with the shape of the first fixing clamp 13, and the first fixing clamp 13 and the second fixing clamp 15 are used together to fix the metal pipe.

[0024] Working principle: When using the thin-walled metal tube shrinking mold, first turn on the external power supply, put the metal tube to be shrunken on the second fixing clamp 15, turn on the switch of the second hydraulic cylinder 11, so that the second hydraulic rod 12 drives the first fixing clamp 13 to rise and fall, and the first fixing clamp 13 and the second fixing clamp 15 fix the metal tube, so that the staff can shrink the metal tube more stably, and then install the mold body 8 into the fixed frame 7. When the mold body 8 needs to be disassembled and replaced, the staff only needs to rotate the bolt 9 to quickly disassemble the mold body 8, turn on the switch of the first hydraulic cylinder 5, so that the first hydraulic rod 6 drives the fixed frame 7 to expand and contract at the same time, and shrinks both ends of the metal tube at the same time. The staff can shrink both ends of the metal tube at the same time, saving the time for processing the metal tube. When the device is not used, the external power supply of the device is cut off. The model of the first hydraulic cylinder 5 is MOB30, and the model of the second hydraulic cylinder 11 is MOB50. In this way, the use process of the thin-walled metal tube shrinking mold is completed.

[0025] 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 thin-walled metal tube shrinking die, comprising a base (1), characterized in that: Support seats (2) are fixed on both sides of the base (1), a slide rail (3) is installed on one side of the support seat (2), a slider (4) is sleeved on the outer side of the slide rail (3), a first hydraulic cylinder (5) is installed on the top of the support seat (2), a first hydraulic rod (6) is installed on one side of the first hydraulic cylinder (5), a fixing frame (7) is fixed on one side of the first hydraulic rod (6), a mold body (8) is installed on the inner side of the fixing frame (7), bolts (9) penetrate both sides of the top of the fixing frame (7), a support frame (10) is fixed on the top of the base (1), a second hydraulic cylinder (11) is installed on the bottom of the support frame (10), a second hydraulic rod (12) is installed on the bottom of the second hydraulic cylinder (11), and a first fixing clamp (13) is fixed to the second hydraulic rod (12).

2. A thin-walled metal tube shrinking die according to claim 1, characterized in that: The fixed frame (7) forms a telescopic structure with the support seat (2) through the first hydraulic rod (6), and the support seat (2) is symmetrically arranged with respect to the central axis of the base (1).

3. A thin-walled metal tube shrinking die according to claim 1, characterized in that: The fixed frame (7) forms a sliding structure with the slide rail (3) through the slider (4), and the slide rail (3) is arranged in an "I"-shaped structure.

4. A thin-walled metal tube shrinking die according to claim 1, characterized in that: The mold body (8) is threadedly connected to the fixing frame (7) via bolts (9), and the bolts (9) are symmetrically arranged with respect to the central axis of the fixing frame (7).

5. The thin-walled metal tube shrinking die according to claim 1, characterized in that: The first fixing clamp (13) forms a lifting structure with the support frame (10) via the second hydraulic rod (12), and the support frame (10) is arranged in an "L"-shaped structure.

6. A thin-walled metal tube necking die according to claim 1, characterized in that: A fixing seat (14) is fixed on one side of the support frame (10), and a second fixing clamp (15) is fixed above the fixing seat (14).

7. A thin-walled metal tube necking die according to claim 6, characterized in that: The second fixing clip (15) is consistent in shape with the first fixing clip (13), and the first fixing clip (13) and the second fixing clip (15) are used in conjunction with each other.

Images