Ridge type expansion device

Abstract

The utility model discloses a ridge type expansion device. The ridge type expansion device comprises a supporting and positioning part, the adjusting part is connected to one end of the supporting and positioning part through a main shaft, the end, away from the adjusting part, of the main shaft penetrates through the supporting and positioning part to be connected with a support, and the main shaft is pushed through the adjusting part; and the expanding mechanism is connected to one end, far away from the supporting and positioning part, of the bracket, and expanding of the pipe fitting is realized by pushing the expanding mechanism. The ridge type expansion device is simple in structure, the first expansion valve and the second expansion valve are pushed at the same time, joint action of the two expansion valves is achieved, the requirement for the machining position size of a product is met, compatibility is good, power provided by hydraulic equipment is not needed, operation is easy, and production efficiency and product quality are effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of pipe fitting processing, in particular to a ridge-type expansion device. Background Art

[0002] The tube expansion process is generally used in situations where two media exchange heat with each other. In the production of heat exchange equipment condensers and evaporators (coolers) in the refrigeration industry, the tube expansion process has been widely used. At present, the most commonly used is hydraulic tube expansion equipment.

[0003] However, the use of traditional hydraulic tube expansion equipment is inefficient, complicated to operate, has poor compatibility and high cost.

[0004] Based on the above technical problems, technicians in this field urgently need to develop a ridge-type bulging device with a simple structure, easy operation, good compatibility, and the ability to effectively improve product quality and increase production efficiency. Utility Model Content

[0005] The utility model aims to provide a ridge-type bulging device which has a simple structure, is easy to operate, has good compatibility, and can effectively improve product quality and increase production efficiency.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] The utility model discloses a ridge-type expansion device, which comprises:

[0008] A support and positioning portion; and

[0009] An adjusting portion connected to one end of the supporting and positioning portion through a main shaft, an end of the main shaft away from the adjusting portion passes through the supporting and positioning portion and is connected to the bracket, and the main shaft is pushed by the adjusting portion;

[0010] The expansion device also includes:

[0011] An expansion mechanism is connected to an end of the bracket away from the support positioning portion, and the expansion of the pipe is achieved by pushing the expansion mechanism.

[0012] Furthermore, the supporting and positioning portion includes an expanding die base; and

[0013] A positioning connecting shaft is arranged at one end of the flaring die base, the main shaft passes through the flaring die base and the positioning connecting shaft and is connected to the bracket, and the positioning connecting shaft is made of Cr12 material;

[0014] A first handle is connected to the expansion die base.

[0015] Furthermore, the adjustment portion includes an expansion cone seat sleeved on the main shaft; and

[0016] A second handle mounted on the expansion cone seat;

[0017] A nut is located between the expansion cone seat and the supporting positioning portion, and the nut is used to adjust the rotation of the supporting positioning portion along the main axis.

[0018] Furthermore, the expansion mechanism includes an expansion cone connected to the bracket; and

[0019] A first expansion petal connected to one end of the expansion cone;

[0020] The second expansion petal is connected to the first expansion petal through a connector, and the first expansion petal and the second expansion petal are pushed by the expansion cone to achieve expansion of the tube.

[0021] Preferably, the expansion cone, the first expansion petal, the connector and the second expansion petal are all made of Cr12 material.

[0022] In the above technical solution, the utility model provides a ridge-type bulging device, which has the following beneficial effects:

[0023] The utility model discloses a ridge-type expansion device with a simple structure, which pushes the first expansion petal and the second expansion petal at the same time to realize the joint action of the two expansion petals to meet the processing position and size requirements of the product. It has good compatibility, does not require hydraulic equipment to provide power, is easy to operate, and effectively improves production efficiency and product quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0025] Figure 1 The present invention is a schematic diagram of the overall structure of a ridge-type bulging device provided in an embodiment of the present invention.

[0026] Description of reference numerals:

[0027] 1. Support and positioning part; 2. Adjustment part; 3. Spindle; 4. Bracket; 5. Expansion mechanism;

[0028] 101, expansion die base; 102, positioning connecting shaft; 103, first handle;

[0029] 201, expansion cone seat; 202, second handle; 203, nut;

[0030] 501, expansion cone; 502, first expansion petal; 503, connector; 504, second expansion petal. DETAILED DESCRIPTION

[0031] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0032] See also Figure 1 As shown;

[0033] The utility model discloses a ridge-type expansion device, which comprises:

[0034] Supporting and positioning portion 1; and

[0035] The adjusting part 2 is connected to one end of the supporting and positioning part through the main shaft 3, and the end of the main shaft 3 away from the adjusting part 2 passes through the supporting and positioning part 1 and is connected to the bracket 4, and the main shaft 3 is pushed by the adjusting part 2;

[0036] The expansion device also includes:

[0037] The expansion mechanism 5 connected to the end of the bracket 4 away from the support positioning portion 1 is used to expand the pipe by pushing the expansion mechanism 5 .

[0038] As a further introduction to this embodiment, the supporting and positioning portion 1 includes an expanding die base 101; and

[0039] A positioning connecting shaft 102 is provided at one end of the flaring die base 101, the main shaft 3 passes through the flaring die base 101 and the positioning connecting shaft 102 and is connected to the bracket 4, and the positioning connecting shaft 102 is made of Cr12 material;

[0040] A first handle 103 connected to the expansion die base 101 .

[0041] As a further introduction to this embodiment, the adjustment portion 2 includes an expansion cone seat 201 sleeved on the main shaft 3; and

[0042] A second handle 202 mounted on the expansion cone seat 201;

[0043] The nut 203 is located between the expansion cone seat 201 and the support and positioning part 1, and the nut 203 is used to adjust the rotation of the support and positioning part 1 along the main axis 3. In actual use, the nut 203 is loosened so that the expansion die base 101 can rotate relatively along the main axis 3. When the nut 203 is locked, the expansion cone seat 201 and the expansion die base 101 have the same movement trajectory and no relative movement occurs.

[0044] As a further introduction to this embodiment, the expansion mechanism 5 includes an expansion cone 501 connected to the bracket 4; and

[0045] A first expansion petal 502 connected to one end of the expansion cone 501;

[0046] The second expansion petal 504 is connected to the first expansion petal 502 through the connector 503, and the first expansion petal 502 and the second expansion petal 504 are pushed by the expansion cone 501 to expand the tube.

[0047] As a preferred technical solution of this embodiment, the expansion cone 501, the first expansion petal 502, the connector 503 and the second expansion petal 504 are all made of Cr12 material.

[0048] The utility model provides a ridge-type expansion device, and the specific working process is as follows:

[0049] Push the expansion cone 501 forward, and push the first expansion petal 502 and the second expansion petal 504 at the same time, so that the first expansion petal 502 and the second expansion petal 504 move forward into the pipe to be processed, and continue to push the first expansion petal 502 and the second expansion petal 504 to achieve simultaneous movement of the two expansion petals to meet the product processing position and size requirements.

[0050] In the above technical solution, the utility model provides a ridge-type bulging device, which has the following beneficial effects:

[0051] The utility model discloses a ridge-type expansion device with a simple structure, which pushes the first expansion petal and the second expansion petal at the same time to realize the joint action of the two expansion petals to meet the processing position and size requirements of the product. It has good compatibility, does not require hydraulic equipment to provide power, is easy to operate, and effectively improves production efficiency and product quality.

[0052] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A ridge-type bulging device, characterized in that: The expansion device comprises: A supporting and positioning portion (1); and The adjusting portion (2) is connected to one end of the supporting and positioning portion via a main shaft (3); an end of the main shaft (3) away from the adjusting portion (2) passes through the supporting and positioning portion (1) and is connected to the bracket (4); and the main shaft (3) is pushed by the adjusting portion (2); The expansion device also includes: An expansion mechanism (5) is connected to an end of the bracket (4) away from the supporting positioning portion (1), and the expansion of the pipe is achieved by pushing the expansion mechanism (5).

2. A ridge bulging device according to claim 1, characterized in that: The supporting and positioning portion (1) comprises an expanding die base (101); and A positioning connecting shaft (102) is arranged at one end of the flaring die base (101), the main shaft (3) passes through the flaring die base (101) and the positioning connecting shaft (102) to be connected to the bracket (4), and the positioning connecting shaft (102) is made of Cr12 material; A first handle (103) is connected to the expansion die base (101).

3. A ridge bulging device according to claim 1, characterized in that: The adjusting portion (2) comprises an expansion cone seat (201) sleeved on the main shaft (3); and A second handle (202) mounted on the expansion cone seat (201); A nut (203) is located between the expansion cone seat (201) and the supporting positioning portion (1), and the nut (203) is used to adjust the rotation of the supporting positioning portion (1) along the main shaft (3).

4. A ridge bulging device according to claim 1, characterized in that: The expansion mechanism (5) comprises an expansion cone (501) connected to the support (4); and A first expansion petal (502) connected to one end of the expansion cone (501); The second expansion flap (504) is connected to the first expansion flap (502) through a connector (503), and the first expansion flap (502) and the second expansion flap (504) are pushed by the expansion cone (501) to expand the pipe.

5. A ridge bulging device according to claim 4, characterized in that: The expansion cone (501), the first expansion flap (502), the connector (503) and the second expansion flap (504) are all made of Cr12 material.

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