Clamping and fixing device for processing capillary copper pipe

Abstract

The utility model relates to the field of capillary copper pipe clamping devices, in particular to a clamping and fixing device for capillary copper pipe machining, which comprises a base, a limiting seat fixedly connected to the upper end of the base, two placing seats fixedly connected to the upper end of the base, a limiting groove formed in the upper end of the limiting seat, and placing grooves formed in the upper ends of the placing seats. A solid copper pipe with the corresponding size is placed in a mold groove, then a holding rod is pulled to enable an extension rod to drive a second fixing disc to rotate, and due to the influence of the weight of a first clamping block on a first column body and a first balancing weight, a concave position on the first clamping block can be right opposite to the upper end of a base; then, a first clamping block clamps the solid copper pipe on the mold groove, so that the rotating angle of a second fixing disc is limited, and meanwhile, a second clamping block is influenced by the weight of a second balancing weight on a second column body, so that the sunken part of the lower end of the second clamping block is aligned to the upper end of the base; and therefore, the capillary copper pipe on the placing groove is clamped through the second clamping block.

Description

Technical Field

[0001] The utility model relates to the field of capillary copper tube clamping devices, in particular to a capillary copper tube processing, clamping and fixing device. Background Art

[0002] Capillary copper tube is a copper tube with small inner and outer diameters, usually made by cold extrusion drawing process. Due to its precise dimensional control and good physical properties, it is widely used in refrigeration, instrumentation and electronics and other industrial fields.

[0003] In the process of processing capillary copper tubes in the existing technology, the clamping device needs to be able to clamp and release the capillary copper tubes quickly and accurately. However, due to the changes in the size of the capillary copper tubes, it is inconvenient to adjust the clamping spacing in time. The clamping force may be too large during the clamping process, causing the capillary copper tube to deform, or the clamping force may be too small, causing the capillary copper tube to slide on the processing line.

[0004] Therefore, a capillary copper tube processing clamping and fixing device is proposed. By setting a mold placement groove, the fixing clamping device can clamp the capillary copper tube of the corresponding size according to the size of the mold, which has the effect of convenient adjustment and maintenance. Utility Model Content

[0005] In order to overcome the problem that it is inconvenient to adjust the clamping force of the capillary copper tube clamping device during the clamping process of the capillary copper tube, which leads to the problem of wiring and pressure loss caused by excessive or insufficient clamping force, a capillary copper tube processing clamping and fixing device is proposed.

[0006] The technical solution of the present utility model is: a capillary copper tube processing clamping and fixing device, including a base, the upper end of the base is fixedly connected to a limiting seat, the upper end of the base is fixedly connected to two placement seats, the upper end of the limiting seat is provided with a limiting groove, the upper end of the placement seat is provided with a placement groove, the upper end of the base is fixedly connected to a first fixed disk, the front and rear ends of the first fixed disk are provided with a first groove body, a rotating column is rotatably arranged on the first groove body, the front end of the rotating column is fixedly connected to the second fixed disk, and a positioning clamping component is provided on the second fixed disk.

[0007] Preferably, when the capillary copper tube needs to be clamped and fixed, the capillary copper tube is first placed on the limit seat and the placement seat for limiting, and then a solid copper tube of the same size is placed on the mold groove, and then the second fixed plate is rotated to press the mold with the positioning clamping assembly, and at the same time, the positioning clamping assembly presses and clamps the capillary copper tube placed on the placement groove. By replacing the solid copper tube of the corresponding size on the mold groove, the capillary copper tube to be processed can be quickly positioned and clamped according to the size of the solid copper tube.

[0008] Preferably, the positioning and clamping assembly includes a first extension arm, a first column, a first counterweight, a first clamping block, a first limiting ring, a second extension arm, a second column, a second limiting ring, a second clamping block and a second counterweight; the arc-shaped outer wall of the second fixed plate is fixedly connected to two second extension arms, the arc-shaped outer wall of the second fixed plate is fixedly connected to two first extension arms, the first extension arm is rotatably provided with a first column, the front end of the first column is fixedly connected to the first clamping block, the second extension arm is rotatably provided with a second column, and the front end of the second column is fixedly connected to the second clamping block.

[0009] Preferably, the rear end of the first column is fixed with a first counterweight, the outer wall of the first column is fixed with a first limiting ring, the front end of the first limiting ring is fitted with the rear end of the first extension arm, the rear end of the first clamping block is fitted with the front end of the first extension arm, the outer wall of the second column is fixed with two second limiting rings, the ends of the two second limiting rings close to each other are fitted with the front and rear ends of the second extension arm, and the rear end of the second column is fixed with a second counterweight.

[0010] Preferably, an extension rod is fixedly connected to the upper end of the second fixed plate, and a grip rod is fixedly connected to the front end of the extension rod.

[0011] Preferably, the rear end of the second clamping block is flush with the rear end of the placement seat, and the front end of the second clamping block is flush with the front end of the placement seat.

[0012] Preferably, the central cross-sections at the front and rear ends of the first clamping block are flush with the vertical cross-section at the lowermost end of the mold groove.

[0013] Preferably, the outer wall of the rotating column is fixedly connected to a limiting plate, the front end of the limiting plate is in contact with the rear end of the first fixed plate, and the rear end of the second fixed plate is in contact with the front end of the first fixed plate.

[0014] The beneficial effects of the present invention are as follows: by placing a solid copper tube of corresponding size into the mold groove, and then pulling the grip rod to make the extension rod drive the second fixed plate to rotate, due to the influence of the weight of the first clamping block and the first counterweight block on the first column, the recess on the first clamping block can be made to face the upper end of the base, and then the first clamping block is made to clamp the solid copper tube on the mold groove, thereby limiting the rotation angle of the second fixed plate, and at the same time, the second clamping block is affected by the weight of the second counterweight block on the second column so that the recess at the lower end of the second clamping block is aligned with the upper end of the base, thereby clamping the capillary copper tube on the placement groove through the second clamping block. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 Shown is a schematic diagram of the three-dimensional structure of the capillary copper tube processing clamping and fixing device of the present invention;

[0016] Figure 2Shown is a schematic diagram of the three-dimensional structure of the base of the capillary copper tube processing clamping and fixing device of the present invention;

[0017] Figure 3 Shown is a schematic diagram of the three-dimensional structure of the positioning and clamping assembly of the capillary copper tube processing and clamping device of the present invention;

[0018] Figure 4 Shown is a schematic diagram of the three-dimensional structure of the positioning and clamping assembly of the capillary copper tube processing clamping and fixing device of the present invention.

[0019] The marks in the accompanying drawings are: 1. Base; 101. First extension arm; 102. First column; 103. First counterweight; 104. First clamping block; 105. First limiting ring; 106. Second extension arm; 107. Second column; 108. Second limiting ring; 109. Second clamping block; 110. Second counterweight; 2. Limit seat; 3. Limit groove; 4. Placement seat; 5. Placement groove; 6. Mold groove; 7. First fixed plate; 8. First groove body; 9. Rotating column; 10. Second fixed plate; 11. Limit plate; 12. Extension rod; 13. Handle. DETAILED DESCRIPTION

[0020] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0021] See also Figure 1-Figure 4 The utility model provides an embodiment: a capillary copper tube processing clamping and fixing device, including a base 1, the upper end of the base 1 is fixedly connected to a limited seat 2, the upper end of the base 1 is fixedly connected to two placement seats 4, the upper end of the limited seat 2 is provided with a limited groove 3, the upper end of the placement seat 4 is provided with a placement groove 5, the upper end of the base 1 is fixedly connected to a first fixed disk 7, the front and rear ends of the first fixed disk 7 are provided with a first groove body 8, a rotating column 9 is rotatably provided on the first groove body 8, the front end of the rotating column 9 is fixedly connected to a second fixed disk 10, and the second fixed disk 10 is provided with a positioning clamping component.

[0022] See also Figure 1 and Figure 2In this embodiment, the positioning and clamping assembly includes a first extension arm 101, a first column 102, a first counterweight 103, a first clamping block 104, a first limiting ring 105, a second extension arm 106, a second column 107, a second limiting ring 108, a second clamping block 109 and a second counterweight 110; the arc-shaped outer wall of the second fixed plate 10 is fixedly connected to two second extension arms 106, the arc-shaped outer wall of the second fixed plate 10 is fixedly connected to two first extension arms 101, the first extension arm 101 is rotatably provided with the first column 102, the front end of the first column 102 is fixedly connected to the first clamping block 104, the second A second column 107 is rotatably provided on the extension arm 106, and a second clamping block 109 is fixedly connected to the front end of the second column 107. The central cross-sections at the front and rear ends of the first clamping block 104 are flush with the vertical cross-section of the lowest end of the mold groove 6, ensuring that the mold placed on the mold groove 6 can be stably clamped under the pressure of the first clamping block 104, and the rear end of the second clamping block 109 is flush with the rear end of the placement seat 4, and the front end of the second clamping block 109 is flush with the front end of the placement seat 4, so that the second clamping block 109 can stably clamp the capillary copper tube on the placement groove 5 when the second fixed disk 10 rotates.

[0023] See also Figure 3-Figure 4 In this embodiment, the rear end of the first column 102 is fixedly connected to the first counterweight 103, the outer wall of the first column 102 is fixedly connected to the first limiting ring 105, the front end of the first limiting ring 105 is in contact with the rear end of the first extension arm 101, the rear end of the first clamping block 104 is in contact with the front end of the first extension arm 101, the outer wall of the second column 107 is fixedly connected to two second limiting rings 108, the ends of the two second limiting rings 108 close to each other are in contact with the front and rear ends of the second extension arm 106, the rear end of the second column 107 is fixedly connected to the second counterweight 110, and the second fixed plate 10 The upper end of the extension rod 12 is fixedly connected to the front end of the extension rod 12 is fixedly connected to the grip rod 13. By pulling the grip rod 13, the extension rod 12 is driven to rotate the rotating column 9 on the second fixed disk 10 on the inner wall of the first groove body 8. The outer wall of the rotating column 9 is fixedly connected to the limiting disk 11. The front end of the limiting disk 11 is in contact with the rear end of the first fixed disk 7, and the rear end of the second fixed disk 10 is in contact with the front end of the first fixed disk 7. The limiting disk 11 and the second fixed disk 10 can prevent the rotating column 9 from shaking back and forth on the inner wall of the first groove body 8, thereby ensuring that the capillary copper tube can be stably clamped.

[0024] During operation, when clamping is required, first place the capillary copper tube in the limiting groove 3 and the placing groove 5 in sequence, and the limiting groove 3 can be used to limit the capillary copper tube. Then, place the solid copper tube of the corresponding size in the mold groove 6, and then pull the gripping rod 13 to make the extension rod 12 drive the second fixed plate 10 to rotate.

[0025] Due to the influence of the weight of the first clamping block 104 and the first counterweight block 103 on the first column 102, the recess on the first clamping block 104 can be aligned with the upper end of the base 1, and then the first clamping block 104 clamps the solid copper tube on the mold groove 6, thereby limiting the rotation angle of the second fixed plate 10. At the same time, the second clamping block 109 is affected by the weight of the second counterweight block 110 on the second column 107 so that the recess at the lower end of the second clamping block 109 is aligned with the upper end of the base 1, thereby clamping the capillary copper tube on the placement groove 5 through the second clamping block 109.

[0026] Through the above steps, when the capillary copper tube needs to be clamped and fixed, the capillary copper tube is first placed on the limit seat 2 and the placement seat 4 for limiting, and then the solid copper tube of the same size is placed on the mold groove 6, and then the second fixed plate 10 is rotated to make the positioning clamping assembly press the mold, and at the same time, the positioning clamping assembly presses and clamps the capillary copper tube placed on the placement groove 5. By replacing the solid copper tube of the corresponding size on the mold groove 6, the capillary copper tube to be processed can be quickly positioned and clamped according to the size of the solid copper tube.

[0027] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the scope of knowledge possessed by those skilled in the art without departing from the purpose of the present invention.

Claims

1. A capillary copper tube processing clamping and fixing device, comprising a base (1), characterized in that: The upper end of the base (1) is fixedly connected to a limit seat (2), the upper end of the base (1) is fixedly connected to two placement seats (4), the upper end of the limit seat (2) is provided with a limit slot (3), the upper end of the placement seat (4) is provided with a placement slot (5), the upper end of the base (1) is fixedly connected to a first fixed disk (7), the front and rear ends of the first fixed disk (7) are provided with a first slot body (8), a rotating column (9) is rotatably provided on the first slot body (8), the front end of the rotating column (9) is fixedly connected to a second fixed disk (10), and a positioning clamping component is provided on the second fixed disk (10).

2. The capillary copper tube processing clamping and fixing device according to claim 1, characterized in that: The positioning and clamping assembly comprises a first extension arm (101), a first column (102), a first counterweight (103), a first clamping block (104), a first limiting ring (105), a second extension arm (106), a second column (107), a second limiting ring (108), a second clamping block (109) and a second counterweight (110); the arc-shaped outer wall of the second fixed plate (10) is fixedly connected to two second extension arms (106), the arc-shaped outer wall of the second fixed plate (10) is fixedly connected to two first extension arms (101), the first extension arm (101) is rotatably provided with the first column (102), the front end of the first column (102) is fixedly connected to the first clamping block (104), the second extension arm (106) is rotatably provided with the second column (107), and the front end of the second column (107) is fixedly connected to the second clamping block (109).

3. The capillary copper tube processing, clamping and fixing device according to claim 2, characterized in that: The rear end of the first column (102) is fixedly connected to a first counterweight (103), the outer wall of the first column (102) is fixedly connected to a first limiting ring (105), the front end of the first limiting ring (105) is fitted with the rear end of the first extension arm (101), the rear end of the first clamping block (104) is fitted with the front end of the first extension arm (101), the outer wall of the second column (107) is fixedly connected to two second limiting rings (108), the ends of the two second limiting rings (108) that are close to each other are fitted with the front and rear ends of the second extension arm (106), and the rear end of the second column (107) is fixedly connected to a second counterweight (110).

4. The capillary copper tube processing, clamping and fixing device according to claim 1, characterized in that: An extension rod (12) is fixedly connected to the upper end of the second fixed plate (10), and a grip rod (13) is fixedly connected to the front end of the extension rod (12).

5. The capillary copper tube processing, clamping and fixing device according to claim 2, characterized in that: The rear end of the second clamping block (109) is flush with the rear end of the placement seat (4), and the front end of the second clamping block (109) is flush with the front end of the placement seat (4).

6. The capillary copper tube processing, clamping and fixing device according to claim 2, characterized in that: The central cross-sections at the front and rear ends of the first clamping block (104) are flush with the vertical cross-section at the lowest end of the mold groove (6).

7. The capillary copper tube processing, clamping and fixing device according to claim 1, characterized in that: The outer wall of the rotating column (9) is fixedly connected to a limiting plate (11), the front end of the limiting plate (11) is in contact with the rear end of the first fixed plate (7), and the rear end of the second fixed plate (10) is in contact with the front end of the first fixed plate (7).

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