Trolley pipe fitting necking machine

Abstract

The utility model discloses a trolley pipe fitting necking machine, and belongs to the technical field of pipe fitting necking. Comprising a workbench and a die assembly, a first hydraulic cylinder is arranged on one side of the top end of the workbench and used for driving a reducing die to conduct reducing work, and a pipe supporting assembly is arranged on the other side of the top end of the workbench and used for supporting pipe fitting bodies with different diameters. The second hydraulic cylinder is arranged above the workbench and used for driving the transmission assembly and the upper die to use, through arrangement of the pipe supporting assembly, a connecting plate in the pipe supporting assembly can be expanded or contracted and used for supporting pipe fitting bodies with different diameters, the stability when the pipe fitting bodies are supported is improved, and the pipe fitting bodies can be more stably supported. Therefore, the large-diameter pipe fitting body is prevented from being deformed or damaged, and the hole shrinkage quality of the pipe fitting body is improved.

Description

Technical Field

[0001] The present application relates to the technical field of pipe necking, and more specifically, to a wheelbarrow pipe necking machine. Background Art

[0002] A trolley is a simple means of transport that can be pushed manually. It is usually used to carry goods or items. Pipe fittings are used to connect different parts during the production of a trolley and provide structural stability and support. The purpose of reducing the diameter of the pipe fittings is to keep the structure between the pipe fittings more stable and the connection more convenient.

[0003] In the related art, a mold is pushed by a hydraulic cylinder to complete the shrinking of one end of the pipe fitting. For example, the patent with the prior art publication number CN219786320U provides a metal pipe shrinking device, which is implemented by putting a metal pipe sleeve on the outside of a support rod. The working hydraulic cylinder pushes the mold to move through the vertical plate installed on the mounting plate. Under the action of the curved surface at one end of the support rod and the mold, one end of the metal pipe is forced to shrink, thereby completing the shrinking processing work at one end of the metal pipe.

[0004] Although the above-mentioned prior art solution can achieve the desired effect through the setting of support rods, hydraulic cylinders and molds, it still has the following defects: the pipe fittings are directly sleeved on the outside of the support rods and may not be able to provide sufficient support and stability, especially for pipe fittings with larger diameters, resulting in deformation, fracture or damage of the metal pipe fittings during operation.

[0005] In view of this, we propose a trolley pipe shrinking machine. Utility Model Content

[0006] 1. Technical issues to be solved

[0007] The utility model provides a wheelbarrow pipe shrinking machine, which solves the problem that the pipe is directly sleeved on the outside of the support rod and may not provide sufficient support and stability, especially for the pipe with a larger diameter, which causes the metal pipe to be deformed, broken or damaged during the working process.

[0008] 2. Technical solution

[0009] To solve the above problems, the embodiment of the present application provides a trolley pipe necking machine, comprising a workbench;

[0010] A first hydraulic cylinder, which is arranged on one side of the top of the workbench and is used to drive the shrinking die to perform a shrinking operation;

[0011] A pipe support assembly, which is arranged on the other side of the top of the workbench and is used to support pipe bodies of different diameters;

[0012] A second hydraulic cylinder, which is disposed above the workbench and is used to drive the transmission assembly and the upper mold;

[0013] A transmission assembly is arranged on both sides of the support pipe assembly and is used for moving the support pipe assembly.

[0014] Furthermore, the first hydraulic cylinder is fixedly arranged on one side of the top end of the workbench, the output part of the first hydraulic cylinder is provided with a first hydraulic rod, the other end of the first hydraulic rod is fixedly arranged with a reducing mold, the outer side of the reducing mold is slidably provided with a vertical plate, the vertical plate is fixedly arranged on the top end of the workbench, a loading slide is fixedly arranged on one side of the workbench, and four stable telescopic rods are fixedly arranged on one side of the loading slide.

[0015] Furthermore, the pipe support assembly includes a motor, a connecting plate is provided at the driving end of the motor, four connecting plates are provided, a sliding plate is fixedly provided on the inner side of the connecting plate, a screw is fixedly provided at the driving end of the motor, four screws are provided, the screw passes through and is rotatably provided on the top end of the connecting plate, an adjusting block is threadedly connected to the outer side of the screw, the adjusting block is slidably provided on the inner side of the sliding plate, a linkage bevel gear is fixedly provided at one end of the screw, the linkage bevel gears are meshingly connected, a connecting plate is fixedly provided on one side of the adjusting block, the connecting plate in the pipe support assembly can expand or contract, and is used to support pipe bodies of different diameters, improve the stability of the pipe bodies when supporting, thereby preventing deformation or damage of large-diameter pipe bodies, and improving the diameter reduction quality of the pipe bodies.

[0016] Furthermore, the motor is fixedly arranged on the top of the sliding plate through a motor bracket, the sliding plate is slidably arranged on the top of the carrier plate, the sliding plate is fixedly arranged on one end of the stable telescopic rod, and the outer side of the connecting plate is provided with anti-slip grooves.

[0017] Furthermore, the output part of the second hydraulic cylinder is provided with a second hydraulic rod, the bottom end of the second hydraulic cylinder is fixedly provided with a fixing frame, the other end of the second hydraulic rod is fixedly provided with a supporting frame by bolts, connecting frames are fixedly provided on both sides of the supporting frame, and the fixing frames are fixedly provided on both sides of the workbench. The setting of the second hydraulic cylinder can enable the upper mold to press the pipe body and drive the transmission assembly to drive the support pipe assembly to move.

[0018] Furthermore, the transmission assembly includes a gear rack, a first gear is meshed on one side of the gear rack, a second gear is meshed on the outer side of the first gear, a third gear is fixedly provided on one end of the second gear, a linkage tooth plate is meshed on the outer side of the third gear, the linkage tooth plate is fixedly provided on one side of the sliding plate, the gear rack is fixedly provided on one side of the connecting frame, and side frames are rotatably provided on the other end of the second gear, and the side frames are fixedly provided on both sides of the loading slide plate. The extension and retraction of the second hydraulic rod can drive the support pipe assembly to move to one side through the transmission assembly, thereby facilitating the insertion of the pipe body and the reduction of the diameter.

[0019] Furthermore, the mold assembly includes an upper mold, which is fixedly arranged at the bottom end of the carrier frame, and a lower mold is arranged below the upper mold. The upper mold and the lower mold are fixedly connected to the pressure plate by bolts, and a pipe body is arranged between the pressure plates. The lower mold is fixedly arranged at the top of the workbench. The upper mold can press and fix the pipe body through the pressure plate under the drive of the second hydraulic cylinder to facilitate the diameter reduction work.

[0020] 3. Beneficial effects

[0021] One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:

[0022] 1. The present application provides a pipe support assembly, in which the connecting plate can expand or contract, so as to support pipe bodies of different diameters, thereby improving the stability of the pipe bodies when supporting the pipe bodies, thereby preventing deformation or damage of large-diameter pipe bodies and improving the shrinkage quality of the pipe bodies;

[0023] 2. In the present application, by setting up the transmission assembly, the extension and retraction of the second hydraulic rod can drive the pipe support assembly to move to one side through the transmission assembly, thereby facilitating the insertion of the pipe body and the reduction work. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a schematic diagram of the overall structure of a trolley pipe necking machine disclosed in a preferred embodiment of the present application;

[0025] Figure 2 This is a schematic diagram of the disassembled structure of a pipe support assembly, a transmission assembly, a slide plate and a stable telescopic rod in a trolley pipe shrinking machine disclosed in a preferred embodiment of the present application;

[0026] Figure 3 This is a schematic diagram of the disassembled structure of a transmission assembly, a bearing frame and a fixing frame in a trolley pipe necking machine disclosed in a preferred embodiment of the present application;

[0027] Figure 4A schematic diagram of the disassembled structure of a pipe support assembly in a trolley pipe necking machine disclosed in a preferred embodiment of the present application;

[0028] Explanation of the numbers in the figure: 1. workbench; 101. first hydraulic cylinder; 102. first hydraulic rod; 103. reducing die; 104. vertical plate; 105. pipe body; 106. carrier plate; 107. stabilizing telescopic rod; 2. pipe support assembly; 201. motor; 202. screw; 203. linkage bevel gear; 204. adjustment block; 205. sliding plate; 206. connecting plate; 3. second hydraulic cylinder; 301. second hydraulic rod; 302. bearing frame; 303. fixing frame; 304. connecting frame; 4. transmission assembly; 401. gear frame; 402. first gear; 403. second gear; 404. third gear; 405. linkage gear plate; 406. side frame; 5. mold assembly; 501. upper mold; 502. pressure plate; 503. lower mold; 504. bolt. DETAILED DESCRIPTION

[0029] The present application is further described in detail below in conjunction with the accompanying drawings.

[0030] Reference Figure 1 and Figure 2 , a wheelbarrow pipe necking machine, comprising a workbench 1 and a mold assembly 5;

[0031] A first hydraulic cylinder 101, which is disposed on one side of the top of the workbench 1, and is used to drive the shrinking die 103 to perform a shrinking operation;

[0032] The pipe support assembly 2 is arranged at the other side of the top of the workbench 1, and is used to support the pipe body 105 of different diameters;

[0033] A second hydraulic cylinder 3, which is disposed above the workbench 1 and is used to drive the transmission assembly 4 and the upper mold 501;

[0034] The transmission assembly 4 is arranged on both sides of the support pipe assembly 2, and the transmission assembly 4 is used for moving the support pipe assembly 2.

[0035] Through the setting of the support pipe assembly 2, the connecting plate 206 in the support pipe assembly 2 can expand or contract to support the pipe bodies 105 of different diameters, thereby preventing the large-diameter pipe bodies 105 from being deformed or damaged and improving the shrinkage quality of the pipe bodies 105. Through the setting of the transmission assembly 4, the extension and retraction of the second hydraulic rod 301 can drive the support pipe assembly 2 to move to one side through the transmission assembly 4, thereby facilitating the insertion of the pipe body 105 and facilitating the shrinkage work.

[0036] Reference Figure 1 and Figure 2 The first hydraulic cylinder 101 is fixedly arranged on one side of the top of the workbench 1, and the output part of the first hydraulic cylinder 101 is provided with a first hydraulic rod 102. A reducing die 103 is fixedly arranged on the other end of the first hydraulic rod 102. A vertical plate 104 is slidably arranged on the outer side of the reducing die 103. The vertical plate 104 is fixedly arranged on the top of the workbench 1, and a loading slide 106 is fixedly arranged on one side of the workbench 1, and four stable telescopic rods 107 are fixedly arranged on one side of the loading slide 106.

[0037] The first hydraulic rod 102 is extended by the first hydraulic cylinder 101 to move the reducing die 103, which reduces the diameter of the pipe body 105. The stabilizing telescopic rod 107 is extended and retracted according to the movement of the sliding plate 205 to stabilize the movement of the sliding plate 205 on the top of the carrier plate 106.

[0038] Reference Figure 1 , Figure 2 and Figure 4 The support pipe assembly 2 includes a motor 201, a connecting plate 206 is provided at the driving end of the motor 201, and four connecting plates 206 are provided. A sliding plate 205 is fixedly provided on the inner side of the connecting plate 206, a screw 202 is fixedly provided at the driving end of the motor 201, and four screws 202 are provided. The screw 202 penetrates and is rotatably provided on the top of the connecting plate 206, and the outer side of the screw 202 is threadedly connected with an adjusting block 204, and the adjusting block 204 is slidably provided on the inner side of the sliding plate 205. One end of the screw 202 is fixedly provided with a linkage bevel gear 203, and the linkage bevel gears 203 are meshed and connected. A connecting plate 206 is fixedly provided on one side of the adjusting block 204, and the motor 201 is fixedly provided on the top of the sliding plate 205 through a motor bracket. The connecting plate 205 is slidably arranged at the top of the carrier slide 106, the sliding plate 205 is fixedly arranged at one end of the stable telescopic rod 107, and the outer side of the connecting plate 206 is provided with anti-slip grooves. The transmission component 4 includes a gear rack 401, one side of the gear rack 401 is meshed with a first gear 402, the outer side of the first gear 402 is meshed with a second gear 403, one end of the second gear 403 is fixedly provided with a third gear 404, the outer side of the third gear 404 is meshed with a linkage tooth plate 405, the linkage tooth plate 405 is fixedly arranged on one side of the sliding plate 205, the gear rack 401 is fixedly arranged on one side of the connecting frame 304, and the other end of the second gear 403 is rotatably provided with a side frame 406, and the side frame 406 is fixedly arranged on both sides of the carrier slide 106.

[0039] As the carrier 302 descends, it drives the gear rack 401 in the transmission assembly 4, and the gear rack 401 drives the first gear 402 to rotate. The rotation of the first gear 402 drives the second gear 403 and the third gear 404 to rotate together. The rotation of the third gear 404 causes the sliding plate 205 to move closer to the mold assembly 5, and the stable telescopic rod 107 will extend, so that the connecting plate 206 in the support pipe assembly 2 enters the inner side of the pipe body 105, and starts the motor 201 in the support pipe assembly 2, and the motor 201 drives The screw rod 202 rotates, and the screw rod 202 drives the linkage bevel gear 203 to rotate. The linkage bevel gears 203 are meshed and transmitted, so that other unpowered linkage bevel gears 203 rotate together. The rotation of the linkage bevel gear 203 makes the adjustment block 204 move on the inner side of the sliding plate 205. The adjustment block 204 drives the connecting plate 206 to contract or expand, thereby achieving the effect of supporting the pipe body 105, and the pipe body 105 with different diameters can be more safely reduced in diameter, thereby improving the reduction quality.

[0040] Reference Figure 1 and Figure 4 The output part of the second hydraulic cylinder 3 is provided with a second hydraulic rod 301, and a fixing frame 303 is fixedly provided at the bottom end of the second hydraulic cylinder 3. The other end of the second hydraulic rod 301 is fixedly provided with a supporting frame 302 by bolts, and connecting frames 304 are fixedly provided on both sides of the supporting frame 302. The fixing frame 303 is fixedly provided on both sides of the workbench 1. The mold assembly 5 includes an upper mold 501, and the upper mold 501 is fixedly provided at the bottom end of the supporting frame 302. A lower mold 503 is provided below the upper mold 501. The upper mold 501 and the lower mold 503 are fixedly connected with the pressing plate 502 by bolts 504. A pipe body 105 is provided between the pressing plates 502, and the lower mold 503 is fixedly provided on the top of the workbench 1.

[0041] The second hydraulic rod 301 is extended by the second hydraulic cylinder 3, and the second hydraulic rod 301 causes the carrier frame 302 and the upper mold 501 to descend. The descent of the upper mold 501 presses the pipe body 105 through the pressing plate 502 to achieve a fixing effect. The pressing plate 502 is detachable, which is convenient for replacing different pressing plates 502 to adapt to the use of pipe bodies 105 with different diameters.

[0042] Working principle: put the pipe body 105 from one side of the mold assembly 5 between the pressing plates 502. The pressing plates 502 are detachable and are used to adapt to pipe bodies 105 of different diameters. The second hydraulic rod 301 is extended by the second hydraulic cylinder 3. The second hydraulic rod 301 causes the support frame 302 and the upper mold 501 to descend. The descent of the upper mold 501 presses the pipe body 105 through the pressing plate 502 to achieve a fixing effect. The support frame 302 descends and drives the gear rack 401 in the transmission assembly 4. The gear rack 401 drives the first gear 402 to rotate. The rotation of the first gear 402 drives the second gear 403 and the third gear 404 to rotate together. The rotation of the third gear 404 causes the sliding plate 205 to move close to the mold assembly 5, and the stabilizing telescopic rod 107 is extended, so that the support pipe assembly 2 The connecting plate 206 enters the inner side of the pipe body 105 and starts the motor 201 in the pipe support assembly 2. The motor 201 drives the screw 202 to rotate, and the screw 202 drives the linkage bevel gear 203 to rotate. The linkage bevel gears 203 are meshed and transmitted, so that other unpowered linkage bevel gears 203 rotate together. The rotation of the linkage bevel gear 203 causes the adjustment block 204 to move on the inner side of the sliding plate 205. The adjustment block 204 drives the connecting plate 206 to contract or expand, thereby achieving the effect of supporting the pipe body 105, and can perform safer diameter reduction work on pipe bodies 105 of different diameters, improve the diameter reduction quality, and then drive the first hydraulic rod 102 to extend through the first hydraulic cylinder 101, so that the diameter reduction mold 103 moves, and the diameter reduction mold 103 performs diameter reduction work on the pipe body 105.

[0043] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A trolley pipe necking machine, characterized in that: Include: A workbench (1) and a mold assembly (5); A first hydraulic cylinder (101), the first hydraulic cylinder (101) being arranged on one side of the top end of the workbench (1), the first hydraulic cylinder (101) being used to drive the diameter reduction die (103) to perform a diameter reduction operation; A pipe support assembly (2), the pipe support assembly (2) being arranged on the other side of the top end of the workbench (1), and the pipe support assembly (2) being used to support pipe bodies (105) of different diameters; A second hydraulic cylinder (3), the second hydraulic cylinder (3) being arranged above the workbench (1), the second hydraulic cylinder (3) being used to drive the transmission assembly (4) and the upper mold (501); A transmission assembly (4), wherein the transmission assembly (4) is arranged on both sides of the support pipe assembly (2), and the transmission assembly (4) is used to move the support pipe assembly (2).

2. The trolley pipe necking machine according to claim 1, characterized in that: The first hydraulic cylinder (101) is fixedly arranged on one side of the top end of the workbench (1); the output part of the first hydraulic cylinder (101) is provided with a first hydraulic rod (102); the other end of the first hydraulic rod (102) is fixedly arranged with a reducing die (103); a vertical plate (104) is slidably arranged on the outer side of the reducing die (103); the vertical plate (104) is fixedly arranged on the top end of the workbench (1); a loading slide plate (106) is fixedly arranged on one side of the workbench (1); and four stable telescopic rods (107) are fixedly arranged on one side of the loading slide plate (106).

3. The trolley pipe necking machine according to claim 1, characterized in that: The support pipe assembly (2) comprises a motor (201), a connecting plate (206) is arranged at the driving end of the motor (201), and four connecting plates (206) are arranged. A sliding plate (205) is fixedly arranged on the inner side of the connecting plate (206). A screw rod (202) is fixedly arranged at the driving end of the motor (201), and four screw rods (202) are arranged. The screw rod (202) penetrates and is rotatably arranged on the top end of the connecting plate (206). The outer side of the screw rod (202) is threadedly connected to an adjustment block (204), and the adjustment block (204) is slidably arranged on the inner side of the sliding plate (205). A linkage bevel gear (203) is fixedly arranged at one end of the screw rod (202), and the linkage bevel gears (203) are meshingly connected with each other. A connecting plate (206) is fixedly arranged on one side of the adjustment block (204).

4. The trolley pipe necking machine according to claim 3, characterized in that: The motor (201) is fixedly arranged on the top of a sliding plate (205) via a motor bracket, the sliding plate (205) is slidably arranged on the top of a carrier plate (106), the sliding plate (205) is fixedly arranged on one end of a stable telescopic rod (107), and the outer side of the connecting plate (206) is provided with anti-slip grooves.

5. The trolley pipe necking machine according to claim 1, characterized in that: The output portion of the second hydraulic cylinder (3) is provided with a second hydraulic rod (301), a fixing frame (303) is fixedly provided at the bottom end of the second hydraulic cylinder (3), a supporting frame (302) is fixedly provided at the other end of the second hydraulic rod (301) by means of bolts, connecting frames (304) are fixedly provided on both sides of the supporting frame (302), and the fixing frame (303) is fixedly provided on both sides of the workbench (1).

6. The trolley pipe necking machine according to claim 1, characterized in that: The transmission assembly (4) comprises a gear rack (401), a first gear (402) is meshedly arranged on one side of the gear rack (401), a second gear (403) is meshedly arranged on the outer side of the first gear (402), a third gear (404) is fixedly arranged on one end of the second gear (403), a linkage tooth plate (405) is meshedly arranged on the outer side of the third gear (404), the linkage tooth plate (405) is fixedly arranged on one side of the sliding plate (205), the gear rack (401) is fixedly arranged on one side of the connecting frame (304), and a side frame (406) is rotatably arranged on the other end of the second gear (403), and the side frame (406) is fixedly arranged on both sides of the carrier plate (106).

7. The trolley pipe necking machine according to claim 1, characterized in that: The mold assembly (5) comprises an upper mold (501), wherein the upper mold (501) is fixedly arranged at the bottom end of the carrier frame (302), and a lower mold (503) is arranged below the upper mold (501). The upper mold (501) and the lower mold (503) are fixedly connected to a pressure plate (502) via bolts (504), and a pipe body (105) is arranged between the pressure plates (502). The lower mold (503) is fixedly arranged at the top end of the workbench (1).

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