Crimping machine for metal pipe

Abstract

The utility model provides a crimping machine for a metal tube, which comprises a bottom plate and the metal tube, a vertical plate and a base are arranged on the bottom plate, an air cylinder is arranged in the base, a trapezoidal pushing block is arranged at the output end of the air cylinder, a self-centering clamping assembly is arranged on the inner side of the vertical plate, and the trapezoidal pushing block is arranged on the inner side of the vertical plate. And the self-centering clamping assembly comprises a rotating seat and a fixed seat, two first clamping wheels are rotationally connected to the fixed seat, an L-shaped connecting rod is rotationally connected to the rotating seat, a rolling wheel is rotationally connected to the end, close to the trapezoidal pushing block, of the L-shaped connecting rod, and a second clamping wheel is rotationally connected to the end, close to the metal pipe, of the L-shaped connecting rod. According to the crimping machine for the metal pipes, the metal pipes with different pipe diameters can be clamped by using the self-centering clamping assembly, and after the metal pipes are clamped, the circle centers of the metal pipes with different pipe diameters are positioned at the same height, so that an additional centering process is not needed, the workload is reduced, and the production efficiency is improved. And the metal pipes on the two sides can be sleeved and crimped conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of crimping machines, in particular to a crimping machine for metal pipes. Background Art

[0002] Crimping machines are essential tools for the power industry to crimp conductors during line infrastructure construction and line maintenance. Crimping machines are divided into hydraulic crimping machines, large-tonnage crimping machines (punching machines), insulated terminal crimping machines, crimping pliers split crimping machines, and hand-cranked hydraulic crimping machines. When working, the crimped parts are placed in the crimping die in the crimping pliers, and the moving mechanism moves the pliers to the required appropriate crimping position. The hydraulic pump station provides hydraulic high-pressure oil to drive the hydraulic pliers to work and crimp.

[0003] When processing metal pipes, the existing metal pipe crimping machine needs to manually align and correct the center positions of the metal pipes on both sides before crimping, which increases the workload.

[0004] Therefore, it is necessary to provide a crimping machine for metal pipes to solve the above technical problems. Utility Model Content

[0005] The utility model provides a crimping machine for metal pipes, which solves the problem that the existing metal pipe crimping machine needs to manually align and correct the center positions of the metal pipes on both sides before crimping, which increases the workload.

[0006] In order to solve the above technical problems, the utility model provides a crimping machine for metal pipes, comprising: a base plate and a metal pipe, the base plate is provided with a vertical plate and a base, the base is provided with a cylinder, the output end of the cylinder is provided with a trapezoidal pushing block, the inner side of the vertical plate is provided with a self-centering clamping assembly, the self-centering clamping assembly comprises a rotating seat and a fixed seat, the fixed seat is rotatably connected to two first clamping wheels, the rotating seat is rotatably connected to an L-shaped connecting rod, the end of the L-shaped connecting rod close to the trapezoidal pushing block is rotatably connected to a roller, the roller is always in contact with the inclined surface of the trapezoidal pushing block, the end of the L-shaped connecting rod close to the metal pipe is rotatably connected to a second clamping wheel, the vertical plate is rotatably connected to a hydraulic push rod, and the vertical plate is fixedly connected to a crimping assembly.

[0007] Preferably, a positioning block is fixedly connected to the base, a positioning groove is formed at the bottom of the trapezoidal pushing block, and the shapes of the positioning block and the positioning groove match each other.

[0008] Preferably, a reinforcing rib plate is fixedly connected to the bottom of the trapezoidal pushing block, the reinforcing rib plate is fixedly connected to the output end of the cylinder, and the reinforcing rib plate is located on both sides of the trapezoidal pushing block.

[0009] Preferably, the crimping assembly includes a connecting piece and a crimping rod, the connecting piece is fixedly connected to the inner side of the vertical plate, the connecting piece is fixedly connected to a fixed plate, the fixed plate is fixedly connected to a plurality of sliding seats, the sliding seat is U-shaped, a sliding groove is provided inside the sliding seat, a sliding rod is provided on the side of the crimping rod facing the sliding groove, the sliding rod is slidably connected to the sliding groove, a rotating disk is rotatably connected to the fixed disk, a limiting disk is fixedly connected to the rotating disk, a limiting hole is provided on the limiting disk, a boss is provided on the side of the crimping rod facing the limiting disk, the boss is rotatably connected to the limiting hole, a rotating rod is provided on one side of the rotating disk, and the rotating rod is rotatably connected to the output end of the hydraulic push rod.

[0010] Preferably, a crimping portion is provided at the end of the crimping rod, the crimping portion is arc-shaped, and the crimping portion is made of high-strength metal material.

[0011] Preferably, a control console is provided on the outer side of the vertical plate.

[0012] Compared with the related art, the crimping machine for metal pipe provided by the utility model has the following advantages:

[0013] Beneficial effects:

[0014] The utility model provides a crimping machine for metal pipes. A self-centering clamping assembly is used to clamp metal pipes of different diameters. After clamping, the centers of the metal pipes of different diameters are at the same height, and no additional centering process is required, which reduces the workload and facilitates the sleeve connection and crimping of the metal pipes on both sides. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A schematic structural diagram of a preferred embodiment of a crimping machine for metal pipes provided by the utility model;

[0016] Figure 2 It is a structural schematic diagram of the self-centering clamping assembly and its related components in the utility model;

[0017] Figure 3 It is a front view structural schematic diagram of the self-centering clamping assembly and its related components in the utility model;

[0018] Figure 4 This is a schematic diagram of the structure of the crimping assembly in the utility model;

[0019] Figure 5 It is a structural schematic diagram of some components in the crimping assembly of the utility model.

[0020] Numbers in the figure: 1. bottom plate, 2. vertical plate, 3. base, 4. cylinder, 5. trapezoidal push block, 6. reinforcing rib plate, 7. positioning block, 8. positioning groove, 9. self-centering clamping assembly, 91. rotating seat, 92. fixed seat, 93. first clamping wheel, 94. L-shaped connecting rod, 95. roller, 96. second clamping wheel, 10. metal pipe, 11. hydraulic push rod, 12. crimping assembly, 121. connecting piece, 122. fixed plate, 123. sliding seat, 124. slide groove, 125. rotating plate, 126. crimping rod, 127. sliding rod, 128. limiting plate, 129. limiting hole, 1210. boss, 1211. crimping part, 1212. rotating rod, 13. control console. DETAILED DESCRIPTION

[0021] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0022] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 ,in, Figure 1 A schematic structural diagram of a preferred embodiment of a crimping machine for metal pipes provided by the utility model;

[0023] Figure 2 It is a structural schematic diagram of the self-centering clamping assembly and its related components in the utility model;

[0024] Figure 3 It is a front view structural schematic diagram of the self-centering clamping assembly and its related components in the utility model;

[0025] Figure 4 This is a schematic diagram of the structure of the crimping assembly in the utility model;

[0026] Figure 5 It is a structural schematic diagram of some components in the crimping assembly of the utility model.

[0027] A crimping machine for metal pipes comprises: a base plate 1 and a metal pipe 10, wherein the base plate 1 is provided with a vertical plate 2 and a base 3, wherein the base 3 is provided with a cylinder 4, wherein the output end of the cylinder 4 is provided with a trapezoidal pushing block 5, wherein a self-centering clamping assembly 9 is provided on the inner side of the vertical plate 2, wherein the self-centering clamping assembly 9 comprises a rotating seat 91 and a fixed seat 92, wherein the fixed seat 92 is rotatably connected to two first clamping wheels 93, wherein the rotating seat 91 is rotatably connected to an L-shaped connecting rod 94, wherein one end of the L-shaped connecting rod 94 close to the trapezoidal pushing block 5 is rotatably connected to a roller 95, wherein the roller 95 is always in contact with the inclined surface of the trapezoidal pushing block 5, wherein one end of the L-shaped connecting rod 94 close to the metal pipe 10 is rotatably connected to a second clamping wheel 96, wherein a hydraulic push rod 11 is rotatably connected to the vertical plate 2, and a crimping assembly 12 is fixedly connected to the vertical plate 2.

[0028] Clamping assemblies are arranged on both sides of the base plate 1, and in the middle are hydraulic push rods 11 and crimping assemblies 12 for sleeve-fitting and crimping the metal tube 10; the metal tube 10 is placed on the first clamping wheel 93, and the cylinder 4 is started to drive the trapezoidal push block 5 to rise in height, and the roller 95 rolls downward along the inclined surface of the trapezoidal push block 5, so that the L-shaped connecting rod 94 rotates around the rotating seat 91, and the second clamping wheel 96 above moves downward toward the metal tube 10, thereby clamping the metal tube 10.

[0029] A positioning block 7 is fixedly connected to the base 3 , and a positioning groove 8 is formed at the bottom of the trapezoidal pushing block 5 . The shapes of the positioning block 7 and the positioning groove 8 match each other.

[0030] The positioning block 7 cooperates with the positioning groove 8 to prevent the trapezoidal push block 5 from being misaligned when moving up and down, thereby causing processing errors.

[0031] A reinforcing rib plate 6 is fixedly connected to the bottom of the trapezoidal pushing block 5 . The reinforcing rib plate 6 is fixedly connected to the output end of the cylinder 4 . The reinforcing rib plate 6 is located on both sides of the trapezoidal pushing block 5 .

[0032] The reinforcing rib plate 6 is used to strengthen the connection strength between the trapezoidal pushing block 5 and the cylinder 4 .

[0033] The crimping assembly 12 includes a connecting member 121 and a crimping rod 126. The connecting member 121 is fixedly connected to the inner side of the vertical plate 2. A fixed plate 122 is fixedly connected to the connecting member 121. A plurality of sliding seats 123 are fixedly connected to the fixed plate 122. The sliding seats 123 are U-shaped. A sliding groove 124 is provided inside the sliding seat 123. A sliding rod 127 is provided on the side of the crimping rod 126 facing the sliding groove 124. The sliding rod 127 slides with the sliding groove 124. Dynamic connection, the fixed disk 122 is rotatably connected to a rotating disk 125, the rotating disk 125 is fixedly connected to a limiting disk 128, the limiting disk 128 is provided with a limiting hole 129, the crimping rod 126 is provided with a boss 1210 on the side facing the limiting disk 128, the boss 1210 is rotatably connected to the limiting hole 129, a rotating rod 1212 is provided on one side of the rotating disk 125, and the rotating rod 1212 is rotatably connected to the output end of the hydraulic push rod 11.

[0034] After the hydraulic push rod 11 is started, it pushes the rotating rod 1212, thereby driving the rotating disk 125 to rotate. Since the crimping rod 126 is rotatably connected to the limiting disk 128 through the boss 1210 and the limiting hole 129, the crimping rod 126 is driven to rotate, and the end approaches the center of the fixed disk 122 to crimp the metal tube 10 passing through the center.

[0035] A crimping portion 1211 is disposed at the end of the crimping rod 126 . The crimping portion 1211 is arc-shaped and made of a high-strength metal material.

[0036] The crimping portion 1211 is used to contact the crimping portion of the metal tube 10 that needs to be processed to ensure the processing quality of the crimping process, so a metal material with sufficiently high strength needs to be used.

[0037] A control console 13 is disposed on the outer side of the vertical plate 2 .

[0038] The console 13 is used to control various components of the device.

[0039] The working principle of a crimping machine for metal pipes provided by the utility model is as follows:

[0040] Clamping assemblies are arranged on both sides of the base plate 1, and in the middle are hydraulic push rods 11 and crimping assemblies 12 for sleeve-fitting and crimping the metal tube 10; the metal tube 10 is placed on the first clamping wheel 93, and the cylinder 4 is started to drive the trapezoidal push block 5 to rise in height, and the roller 95 rolls downward along the inclined surface of the trapezoidal push block 5, so that the L-shaped connecting rod 94 rotates around the rotating seat 91, and the second clamping wheel 96 above moves downward toward the metal tube 10, thereby clamping the metal tube 10.

[0041] Compared with the related art, the crimping machine for metal pipe provided by the utility model has the following advantages:

[0042] Beneficial effects:

[0043] The self-centering clamping assembly 9 can be used to clamp metal pipes 10 of different diameters. After clamping, the centers of the metal pipes 10 of different diameters are at the same height, eliminating the need for additional centering procedures, reducing workload and facilitating the sleeve connection and crimping of the metal pipes 10 on both sides.

[0044] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A crimping machine for metal pipes, characterized in that: include: A bottom plate and a metal tube, a vertical plate and a base are arranged on the bottom plate, a cylinder is arranged in the base, a trapezoidal pushing block is arranged at the output end of the cylinder, a self-centering clamping assembly is arranged on the inner side of the vertical plate, the self-centering clamping assembly comprises a rotating seat and a fixed seat, two first clamping wheels are rotatably connected to the fixed seat, an L-shaped connecting rod is rotatably connected to the rotating seat, an end of the L-shaped connecting rod close to the trapezoidal pushing block is rotatably connected to a roller, the roller is always in contact with the inclined surface of the trapezoidal pushing block, an end of the L-shaped connecting rod close to the metal tube is rotatably connected to the second clamping wheel, a hydraulic push rod is rotatably connected to the vertical plate, and a crimping assembly is fixedly connected to the vertical plate.

2. A crimping machine for metal pipes according to claim 1, characterized in that: A positioning block is fixedly connected to the base, a positioning groove is formed at the bottom of the trapezoidal pushing block, and the shapes of the positioning block and the positioning groove match each other.

3. A crimping machine for metal pipes according to claim 1, characterized in that: A reinforcing rib plate is fixedly connected to the bottom of the trapezoidal pushing block, the reinforcing rib plate is fixedly connected to the output end of the cylinder, and the reinforcing rib plate is located on both sides of the trapezoidal pushing block.

4. A crimping machine for metal pipes according to claim 1, characterized in that: The crimping assembly includes a connecting piece and a crimping rod, the connecting piece is fixedly connected to the inner side of the vertical plate, the connecting piece is fixedly connected to a fixed plate, the fixed plate is fixedly connected to a plurality of sliding seats, the sliding seat is U-shaped, a sliding groove is provided inside the sliding seat, a sliding rod is provided on the side of the crimping rod facing the sliding groove, the sliding rod is slidably connected to the sliding groove, a rotating disk is rotatably connected to the fixed disk, a limiting disk is fixedly connected to the rotating disk, a limiting hole is provided on the limiting disk, a boss is provided on the side of the crimping rod facing the limiting disk, the boss is rotatably connected to the limiting hole, a rotating rod is provided on one side of the rotating disk, and the rotating rod is rotatably connected to the output end of the hydraulic push rod.

5. A crimping machine for metal pipes according to claim 4, characterized in that: A crimping portion is provided at the end of the crimping rod. The crimping portion is in an arc shape and is made of a high-strength metal material.

6. A crimping machine for metal pipes according to claim 1, characterized in that: A control console is arranged on the outer side of the vertical plate.

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