Machining device for guide needle

Abstract

The utility model relates to the technical field of guide pin processing, in particular to a guide pin processing device which comprises a mounting table, a plurality of bases are arranged on the mounting table, control boxes are arranged on the bases respectively, movable supports capable of ascending and descending vertically are arranged in the control boxes, and discs are rotatably mounted on the control boxes on the two sides of the movable supports respectively. Extending arms extend out of the edges of the two sides of the disc respectively, V-shaped clamping blocks are arranged at the ends, located outside the control box, of the extending arms, rolling wheels are arranged at the ends, located inside the control box, of the extending arms, and the rolling wheels make rolling contact with the movable support. The top of the movable support extends out of the top face of the control box and is provided with a carrying piece used for containing needle tubes, a clamp of the needle tubes is optimized, the needle tubes with different diameters can be clamped, it is ensured that the needle tubes are in a stable state in the needle point grinding process, excessive clamping tools do not need to be additionally arranged, and the needle point grinding efficiency is improved. And the application range of the needle embryo grinding specification is expanded.

Description

Technical Field

[0001] The utility model relates to the technical field of guide needle processing, in particular to a processing device for a guide needle. Background Art

[0002] At present, hospitals gradually use puncture guide needles to complete the operation of placing drainage tubes. These guide needles are all ground from 304 stainless steel needle blanks, and the grinding direction of the groove at the tip edge of the needle is transverse grinding. When grinding the tip of the needle blank, it is necessary to fix the needle tube of the guide needle. Since the diameters of the needle tubes are different, for different specifications of needle blanks, workers need to replace the appropriate clamping tooling accordingly. The common needle blank clamping tooling has a small applicable range, which affects the efficiency of the needle blank grinding process. Therefore, a processing device for a guide needle is proposed. Content of the Utility Model

[0003] The purpose of the utility model is to solve the defects existing in the prior art, and a processing device for a guide needle is proposed.

[0004] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0005] A processing device for a guide needle, including an installation table, on the table surface of the installation table, there are several bases arranged in sequence, on each base, there is a control box respectively, and at the center inside the control box, there is a movable bracket that moves up and down vertically.

[0006] In a preferred technical solution, a cylinder is arranged inside the base, and a pneumatic rod arranged at the output end of the cylinder extends into the control box and is butted against the bottom of the movable bracket.

[0007] On both sides of the movable bracket in the control box, discs are rotatably installed respectively. On both sides of the disc, extension arms protrude respectively. Among them, at the end of the extension arm outside the control box, there is a V-shaped clamping block, and at the end of the extension arm inside the control box, there is a roller, and the roller is in rolling contact with the movable bracket.

[0008] In a preferred technical solution, the movable bracket is an inverted Y-shaped bracket, and the two arms of the Y-shaped of the movable bracket are respectively in contact with the rollers on both sides.

[0009] In a preferred technical solution, the discs on both sides and the clamping blocks on the extension arms and the rollers are symmetrically arranged along the central axis of the control box.

[0010] The top of the movable bracket extends out from the top surface of the control box and is provided with a carrier sheet for placing the needle tube. By lifting the movable bracket to push the rollers on both sides, the two clamping blocks above move closer to the middle at the same time and clamp the needle tube in the middle.

[0011] In a preferred technical solution, elastic clamping spring pieces in a V shape are respectively arranged on both sides of the inner wall of the control box, and one end of each clamping spring piece far away from the inner wall elastically presses against the corresponding extension arm.

[0012] In a preferred technical solution, a cantilever beam is erected above the mounting table, and a plurality of numerically controlled milling cutters with vertical holes arranged in sequence are arranged at the bottom of the cantilever beam, and each numerically controlled milling cutter corresponds to the needle tip of each syringe needle.

[0013] The beneficial effects of the present utility model are as follows:

[0014] Through the processing device proposed by this solution, the problem that the clamping tool for the needle blank of the guiding needle has low applicability during the grinding of the needle tip is solved. The fixture for the syringe needle is optimized, which can adapt to the clamping of syringe needles with different diameters, ensuring that it is in a stable state during the needle tip grinding process, and there is no need to additionally configure too many clamping tools, expanding the applicable range of the needle blank grinding specifications, and having better practicability. Description of the Drawings

[0015] Figure 1 is a schematic structural diagram of the processing device proposed by the present utility model in the front view;

[0016] Figure 2 is a schematic structural diagram of the processing device proposed by the present utility model in the top view.

[0017] In the figure: 1, base; 2, control box; 3, air cylinder; 4, movable support; 5, carrier plate; 6, disc; 7, extension arm; 8, clamping block; 9, roller; 10, clamping spring piece; 11, syringe needle; 12, mounting table; 13, cantilever beam; 14, numerically controlled milling cutter. Specific Embodiments

[0018] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments.

[0019] In this embodiment, referring to Figure 1-2 , a processing device for a guiding needle includes a mounting table 12. A plurality of bases 1 arranged in sequence are provided on the tabletop of the mounting table 12. A cantilever beam 13 is erected above the mounting table 12, and a plurality of numerically controlled milling cutters 14 with vertical holes arranged in sequence are arranged at the bottom of the cantilever beam 13. The positions of the numerically controlled milling cutters 14 above are aligned with the positions of the respective bases 1 below, facilitating subsequent grinding of the tips of the needles.

[0020] Control boxes 2 are respectively arranged on the bases 1. An activity support 4 that moves up and down vertically is arranged at the center of the interior of the control box 2. As shown in the attached Figure 1As shown, the movable bracket 4 is an inverted Y-shaped bracket, and the movable bracket 4 is on the vertical central axis of the control box 2. A cylinder 3 is arranged inside the base 1, and the pneumatic rod arranged at the output end of the cylinder 3 extends into the control box 2 and is butted against the bottom of the movable bracket 4. The lifting adjustment of the movable bracket 4 is realized by the pushing control of the cylinder 3.

[0021] On both sides of the movable bracket 4, the control box 2 is respectively rotatably installed with discs 6. The two sides of the edges of the discs 6 respectively extend out the extension arms 7. Among them, at the end of the extension arm 7 outside the control box 2, there is a V-shaped clamping block 8. The V-shaped designed clamping block 8 can ensure stable clamping of the syringe 11. At the end of the extension arm 7 inside the control box 2, there is a roller 9. The two arms of the Y-shaped of the movable bracket 4 are respectively in rolling contact with the rollers 9 on both sides.

[0022] In addition, the discs 6 on both sides and the clamping blocks 8 and rollers 9 on the extension arms 7 are symmetrically arranged along the central axis of the control box 2.

[0023] The start of the pushing makes the top of the movable bracket 4 extend out from the top surface of the control box 2. A carrier sheet 5 for placing the syringe 11 is pre-installed at the top of the movable bracket 4. When the movable bracket 4 is pushed up, the rollers 9 on both sides are synchronously pushed outwards, and the discs 6 are rotated, so that the two clamping blocks 8 above will approach each other simultaneously and clamp the syringe 11 in the middle.

[0024] Since the diameters of the syringes 11 are different, therefore, according to the processing requirements of different diameters, the cylinder 3 can be used to control the lifting of the movable bracket 4 to different heights, and the distance between the two clamping blocks 8 above will also change accordingly. When the diameter of the syringe 11 is small, the lifting height of the movable bracket 4 can be appropriately increased. On the one hand, the height of the carrier sheet 5 at the top of the movable bracket 4 increases, and on the other hand, the distance between the two clamping blocks 8 decreases accordingly, so that the syringe 11 on the carrier sheet 5 can be clamped. When the diameter of the syringe 11 is large, the lifting height of the movable bracket 4 can be appropriately reduced. At this time, the carrier sheet 5 is at a lower position and the distance between the two clamping blocks 8 also increases accordingly, so that the syringe 11 with a slightly larger diameter can be clamped.

[0025] Each numerical control milling cutter 14 corresponds to the needle tip of each syringe 11. After the syringe 11 is clamped, the needle tip of the syringe 11 can be ground by the numerical control milling cutter 14 above.

[0026] Finally, on both sides of the inner wall of the control box 2, there are V-shaped elastic clamping spring pieces 10. The end of the clamping spring piece 10 away from the inner wall elastically presses against the extension arm 7 at the corresponding position. When the cylinder 3 retracts, the rollers 9 on both sides can return to the initial position along the inclined surfaces on both sides of the movable bracket 4 by the elastic restoring force of the clamping spring pieces 10, which is convenient for subsequent use.

[0027] The above are only the preferred specific embodiments of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution of the present utility model and its inventive concept, makes equivalent substitutions or changes, and should be covered within the protection scope of the present utility model.

Claims

1. A processing device for a guiding needle, characterized in that, It includes an installation table (12). On the tabletop of the installation table (12), a number of bases (1) are arranged in sequence. Control boxes (2) are respectively arranged on the bases (1). An activity bracket (4) that moves up and down vertically is arranged at the center inside the control box (2). Discs (6) are respectively rotatably installed on both sides of the activity bracket (4) in the control box (2). Extension arms (7) respectively extend out from both sides of the edges of the discs (6). Among them, V-shaped clamping blocks (8) are arranged at the ends of the extension arms (7) outside the control box (2), and rollers (9) are arranged at the ends of the extension arms (7) inside the control box (2). The rollers (9) are in rolling contact with the activity bracket (4). The top of the activity bracket (4) extends out from the top surface of the control box (2) and is provided with a carrier sheet (5) for placing a syringe (11). By lifting and pushing the rollers (9) on both sides by the activity bracket (4), the two clamping blocks (8) above move closer to the middle at the same time and clamp the syringe (11) in the middle.

2. The processing device for a guiding needle according to claim 1, characterized in that, The activity bracket (4) is an inverted Y-shaped bracket, and the two arms of the Y-shaped of the activity bracket (4) are respectively in contact with the rollers (9) on both sides.

3. The processing device for a guiding needle according to claim 2, characterized in that, A cylinder (3) is arranged inside the base (1), and a pneumatic rod arranged at the output end of the cylinder (3) extends into the control box (2) and is docked at the bottom of the activity bracket (4).

4. The processing device for a guiding needle according to claim 1, characterized in that, Elastic V-shaped clamping spring pieces (10) are respectively arranged on both sides of the inner wall of the control box (2), and the ends of the clamping spring pieces (10) far away from the inner wall are elastically pressed against the extension arms (7) at corresponding positions.

5. The processing device for a guiding needle according to claim 1, characterized in that, A cantilever beam (13) is erected above the installation table (12), and a numerically controlled milling cutter (14) with a plurality of vertical holes arranged in sequence is arranged at the bottom of the cantilever beam (13).

6. The processing device for a guiding needle according to claim 5, characterized in that, Each numerically controlled milling cutter (14) respectively corresponds to the needle tip of each syringe (11).

Images