Special-shaped part positioning tool for vertical machining center

Abstract

The utility model discloses a special-shaped part positioning tool for a vertical machining center, and relates to the technical field of special-shaped part machining, the special-shaped part positioning tool comprises a mounting base, a plurality of sliding plates are uniformly arranged at the top of the mounting base around the center line at intervals, and a plurality of lead screw sliding block components are uniformly arranged at the bottom of the mounting base around the center line at intervals; a clamping rod mounting barrel is arranged on the side, close to the center line, of the top of the sliding plate, and an air cylinder pressing block component is arranged on the other side of the top of the sliding plate. A screw pressing block component is arranged on one side in the clamping rod mounting barrel, and a plurality of movable clamping rod components are evenly arranged in the clamping rod mounting barrel. By means of the structure, special-shaped parts of different shapes and sizes can be clamped and positioned, the structure is simple, inspection and maintenance are convenient, and the maintenance difficulty and cost are reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of special-shaped parts processing, in particular to a special-shaped parts positioning tool for a vertical machining center. Background Art

[0002] A positioning fixture is a specially designed fixture that physically fixes the workpiece in a predetermined position and prevents it from moving or deforming during processing or assembly. Among them, the special-shaped part positioning fixture is a special fixture specifically used for positioning special-shaped workpieces. Due to the different shapes and sizes of special-shaped workpieces, traditional positioning fixtures often cannot meet their positioning requirements, so the special-shaped part positioning fixture needs to be more flexible and precise in design.

[0003] Due to the diversity of special-shaped workpieces, the design structure of special-shaped parts positioning fixtures is more complicated and relatively difficult to maintain. During use, the fixtures may be worn, deformed or damaged, and need to be inspected and repaired regularly. However, due to the particularity of its structure, maintenance work may require professional skills and special tools, which increases the difficulty and cost of maintenance. Therefore, we propose a special-shaped parts positioning fixture for vertical machining centers to solve the above-mentioned problems. Utility Model Content

[0004] The purpose of the utility model is to provide a special-shaped parts positioning tool for a vertical machining center, so as to solve the problem raised in the above-mentioned background technology that due to the diversity of special-shaped workpieces, the design structure of the special-shaped parts positioning tool is more complicated and relatively difficult to maintain. During use, the tooling fixture may be worn, deformed or damaged, and needs to be inspected and repaired regularly. However, due to the particularity of its structure, the maintenance work may require professional skills and special tools, which increases the difficulty and cost of maintenance.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A special-shaped part positioning tool for a vertical machining center, comprising a mounting base, a plurality of sliding plates are evenly spaced around a center line on the top of the mounting base, a plurality of lead screw slider components are evenly spaced around the center line on the bottom of the mounting base, a clamping rod mounting barrel is provided on one side of the top of the sliding plate close to the center line, a cylinder pressing block component is provided on the other side of the top of the sliding plate, a screw pressing block component is provided on one side of the inside of the clamping rod mounting barrel, and a plurality of movable clamping rod components are evenly provided inside the clamping rod mounting barrel;

[0007] The cylinder pressure block component includes a cylinder, a pull rod rotating seat is arranged on one side of the top of the cylinder, a pull rod mounting block is arranged on the top of the pneumatic rod of the cylinder, a first pull rod is arranged on the top of the pull rod rotating seat, a second pull rod is arranged at one end of the pull rod mounting block, and a third pull rod is arranged at the other end of the pull rod mounting block. A movable pressure rod is arranged on the top of the first pull rod, and an arc-shaped pressure block is arranged on the bottom of one end of the movable pressure rod close to the movable clamping rod component.

[0008] Furthermore, the mounting base is provided with a plurality of waist-shaped holes evenly spaced around a center line, and the sliding plate is slidably connected to the mounting base.

[0009] Furthermore, the screw slider component includes a screw, a screw mounting seat, a screw handwheel and a slider, the two ends of the screw are rotatably connected to the two screw mounting seats respectively, one end of the screw passes through the screw mounting seat and is fixedly connected to the screw handwheel, the two screw mounting seats are fixedly connected to the bottom of the mounting base, the inner side of the slider is threadedly connected to the screw, the top of the slider passes through a waist-shaped hole and is fixedly connected to the sliding plate, and the clamp rod mounting barrel is fixedly connected to the sliding plate.

[0010] Furthermore, the movable clamping rod component includes a barrel, a compression spring is arranged inside the barrel, the bottom of the barrel is fixedly connected to the clamping rod mounting barrel, a clamping rod is arranged on the top of the compression spring, the bottom of the compression spring is fixedly connected to the barrel, the top of the compression spring is fixedly connected to the clamping rod, and the bottom of the clamping rod is slidably connected to the barrel.

[0011] Furthermore, the screw clamp block component includes a rotating screw and a V-shaped clamp block, the rotating screw is threadedly connected to the clamp rod mounting barrel, the rotating screw is rotatably connected to the V-shaped clamp block, the V-shaped clamp block is slidably connected to the clamp rod mounting barrel, and the inner side of the V-shaped clamp block contacts multiple clamp rods.

[0012] Furthermore, the bottom of the cylinder is fixedly connected to the sliding plate, the bottom of the pull rod rotating seat is fixedly connected to the cylinder, the bottom of the pull rod mounting block is fixedly connected to the pneumatic rod of the cylinder, one end of the first pull rod is rotatably connected to the pull rod rotating seat, the other end of the first pull rod is rotatably connected to one end of the movable pressure rod, one end of the second pull rod is rotatably connected to the pull rod mounting block, the other end of the second pull rod is rotatably connected to the first pull rod, one end of the third pull rod is rotatably connected to the pull rod mounting block, the other end of the third pull rod is rotatably connected to the other end of the movable pressure rod, and the arc pressure block is fixedly connected to the movable pressure rod.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The utility model is provided with a clamp rod installation barrel, a screw rod pressing block component is provided on one side of the clamp rod installation barrel, a plurality of movable clamp rod components are evenly provided inside the clamp rod installation barrel, the movable clamp rod component includes a round barrel, a compression spring is provided inside the round barrel, and a clamp rod is provided on the top of the compression spring. In this process, the bottom of the processed part is in contact with a part of the clamp rod, and the compression spring is pressed down to contract, and the side of the processed part is in contact with another part of the clamp rod, thereby clamping the processed part, and the screw rod pressing block component is rotated to compress the plurality of clamp rods, so as to facilitate the fixing of the special-shaped parts, and the plurality of movable clamp rod components are provided separately, with a simple structure, which is convenient for maintenance and replacement, and reduces the maintenance cost.

[0015] 2. The utility model sets a sliding plate, a clamping rod installation barrel is set on one side of the top of the sliding plate near the center line, and a cylinder pressing block component is set on the other side of the top of the sliding plate. The cylinder pressing block component includes a cylinder, a cylinder rotating seat, a tie rod installation block, a first tie rod, a second tie rod, a third tie rod, a movable pressure rod and an arc-shaped pressure block. In this process, the tie rod installation block is driven by the cylinder, and then the second tie rod and the third tie rod are driven, and the first tie rod and the movable pressure rod are further pulled, so that the arc-shaped pressure block is driven to extend and press the special-shaped parts. The structure is simple, can clamp the special-shaped parts, and is easy to maintain, reducing the maintenance cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the installation structure of the cylinder pressing block component of the utility model;

[0018] Figure 3 This is a schematic diagram of the installation structure of the movable clamping rod component of the utility model;

[0019] Figure 4 This is a schematic diagram of the installation structure of the screw briquetting component of the utility model;

[0020] Figure numerals: 1. Mounting base; 101. Waist-shaped hole; 2. Sliding plate; 3. Screw slider component; 301. Screw; 302. Screw mounting seat; 303. Screw handwheel; 304. Slider; 4. Clamp rod mounting barrel; 5. Cylinder pressure block component; 501. Cylinder; 502. Tie rod rotating seat; 503. Tie rod mounting block; 504. First tie rod; 505. Second tie rod; 506. Third tie rod; 507. Movable pressure rod; 508. Arc pressure block; 6. Screw pressure block component; 601. Rotating screw; 602. V-shaped clamp block; 7. Movable clamp rod component; 701. Round barrel; 702. Compression spring; 703. Clamp rod. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-Figure 4 The utility model provides a technical solution: a special-shaped parts positioning tool for a vertical machining center, comprising a mounting base 1, a plurality of sliding plates 2 are evenly spaced around the center line on the top of the mounting base 1, a plurality of lead screw slider components 3 are evenly spaced around the center line on the bottom of the mounting base 1, a clamping rod mounting barrel 4 is arranged on one side of the top of the sliding plate 2 close to the center line, a cylinder pressing block component 5 is arranged on the other side of the top of the sliding plate 2, a screw pressing block component 6 is arranged on one side of the clamping rod mounting barrel 4, and a plurality of movable clamping rod components 7 are evenly arranged inside the clamping rod mounting barrel 4;

[0023] The cylinder pressure block component 5 includes a cylinder 501, a pull rod rotating seat 502 is arranged on one side of the top of the cylinder 501, a pull rod mounting block 503 is arranged on the top of the pneumatic rod of the cylinder 501, a first pull rod 504 is arranged on the top of the pull rod rotating seat 502, a second pull rod 505 is arranged at one end of the pull rod mounting block 503, and a third pull rod 506 is arranged at the other end of the pull rod mounting block 503, a movable pressure rod 507 is arranged on the top of the first pull rod 504, and an arc-shaped pressure block 508 is arranged on the bottom of one end of the movable pressure rod 507 close to the movable clamping rod component 7.

[0024] The mounting base 1 is evenly spaced with a plurality of waist-shaped holes 101 around the center line, and the sliding plate 2 is slidably connected to the mounting base 1. In this example, by providing the waist-shaped holes 101, the sliding plate 2 is more stable when moving.

[0025] The screw slider component 3 includes a screw 301, a screw mounting seat 302, a screw handwheel 303 and a slider 304. The two ends of the screw 301 are rotatably connected to the two screw mounting seats 302 respectively, one end of the screw 301 passes through the screw mounting seat 302 and is fixedly connected to the screw handwheel 303, the two screw mounting seats 302 are fixedly connected to the bottom of the mounting base 1, the inner side of the slider 304 is threadedly connected to the screw 301, the top of the slider 304 passes through the waist-shaped hole 101 and is fixedly connected to the sliding plate 2, and the clamping rod mounting barrel 4 is fixedly connected to the sliding plate 2. In this example, by rotating the screw 301 to drive the slider 304 to move, and then drive the clamping rod mounting barrel 4 on the top of the sliding plate 2 to move, the distance between multiple movable clamping block components 7 can be adjusted, which is convenient for installing special-shaped parts.

[0026] The movable clamping rod component 7 includes a barrel 701, a compression spring 702 is arranged inside the barrel 701, the bottom of the barrel 701 is fixedly connected to the clamping rod mounting barrel 4, a clamping rod 703 is arranged on the top of the compression spring 702, the bottom of the compression spring 702 is fixedly connected to the barrel 701, the top of the compression spring 702 is fixedly connected to the clamping rod 703, and the bottom of the clamping rod 703 is slidably connected to the barrel 701. In this example, by arranging the compression spring 702, it is convenient for the clamping rod 703 to contract, so that the uncontracted clamping rod 703 contacts and clamps the side of the special-shaped part.

[0027] The screw rod pressing block component 6 includes a rotating screw rod 601 and a V-shaped clamping block 602. The rotating screw rod 601 is threadedly connected to the clamp rod mounting barrel 4. The rotating screw rod 601 is rotatably connected to the V-shaped clamping block 602. The V-shaped clamping block 602 is slidably connected to the clamp rod mounting barrel 4. The inner side of the V-shaped clamping block 602 contacts with a plurality of clamp rods 703. In this example, by rotating the rotating screw rod 601, the V-shaped clamping block 602 is pushed, so that the plurality of clamp rods 703 are pressed against each other, thereby ensuring the stability of the clamp rods 703 when working.

[0028] The bottom of the cylinder 501 is fixedly connected to the sliding plate 2, the bottom of the pull rod rotating seat 502 is fixedly connected to the cylinder 501, the bottom of the pull rod mounting block 503 is fixedly connected to the pneumatic rod of the cylinder 501, one end of the first pull rod 504 is rotatably connected to the pull rod rotating seat 502, the other end of the first pull rod 504 is rotatably connected to one end of the movable pressure rod 507, one end of the second pull rod 505 is rotatably connected to the pull rod mounting block 503, the other end of the second pull rod 505 is rotatably connected to the first pull rod 504, one end of the third pull rod 506 is rotatably connected to the pull rod mounting block 503, the other end of the third pull rod 506 is rotatably connected to the other end of the movable pressure rod 507, and the arc pressure block 508 is fixedly connected to the movable pressure rod 507. In this example, the cylinder 501 drives the rod mounting block 503, which in turn drives the second rod 505 and the third rod 506, which further pull the first rod 504 and the movable pressure rod 507, driving the arc pressure block 508 to extend and retract, thereby facilitating the installation and clamping of special-shaped parts.

[0029] Working principle: Turn the screw handwheel 303, which in turn drives the screw 301 to rotate, and further drives the sliding plate 2 on the top of the slider 304 to move, adjust the position of the movable clamping rod component 7 inside the multiple clamping rod mounting barrels 4, and place the special-shaped parts on the multiple clamping rod mounting barrels 4. The special-shaped parts cause part of the clamping rod 703 to be pressed down, the compression spring 702 to shrink, and the other part of the clamping rod 703 contacts the side of the special-shaped part, and the rotating screw 601 is rotated to drive the V-shaped clamping block 602, push the multiple clamping rods 703 tightly, so that the clamping rod 703 is fixed, and the cylinder 501 drives the pull rod mounting block 503 to be pushed out, and then drives the second pull rod 505 and the third pull rod 506 to rotate, and further drives the first pull rod 504 and the movable pressure rod 507 to rotate, so that the arc pressure block 508 extends out, and then clamps the special-shaped part.

[0030] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A special-shaped parts positioning tool for a vertical machining center, characterized in that: It comprises a mounting base (1), a plurality of sliding plates (2) are evenly spaced around the center line at the top of the mounting base (1), a plurality of lead screw slider components (3) are evenly spaced around the center line at the bottom of the mounting base (1), a clamping rod mounting barrel (4) is arranged on one side of the top of the sliding plate (2) close to the center line, a cylinder pressing block component (5) is arranged on the other side of the top of the sliding plate (2), a screw pressing block component (6) is arranged on one side of the inside of the clamping rod mounting barrel (4), and a plurality of movable clamping rod components (7) are evenly arranged inside the clamping rod mounting barrel (4); The cylinder pressure block component (5) includes a cylinder (501), a pull rod rotating seat (502) is arranged on one side of the top of the cylinder (501), a pull rod mounting block (503) is arranged on the top of the pneumatic rod of the cylinder (501), a first pull rod (504) is arranged on the top of the pull rod rotating seat (502), a second pull rod (505) is arranged at one end of the pull rod mounting block (503), and a third pull rod (506) is arranged at the other end of the pull rod mounting block (503), a movable pressure rod (507) is arranged on the top of the first pull rod (504), and an arc-shaped pressure block (508) is arranged at the bottom of one end of the movable pressure rod (507) close to the movable clamping rod component (7).

2. The special-shaped parts positioning tool for a vertical machining center according to claim 1, characterized in that: The mounting base (1) is provided with a plurality of waist-shaped holes (101) at even intervals around a center line, and the sliding plate (2) is slidably connected to the mounting base (1).

3. The special-shaped parts positioning tool for a vertical machining center according to claim 2, characterized in that: The screw slider component (3) comprises a screw (301), a screw mounting seat (302), a screw handwheel (303) and a slider (304); the two ends of the screw (301) are rotatably connected to the two screw mounting seats (302) respectively; one end of the screw (301) passes through the screw mounting seat (302) and is fixedly connected to the screw handwheel (303); the two screw mounting seats (302) are fixedly connected to the bottom of the mounting base (1); the inner side of the slider (304) is threadedly connected to the screw (301); the top of the slider (304) passes through the waist-shaped hole (101) and is fixedly connected to the sliding plate (2); and the clamping rod mounting barrel (4) is fixedly connected to the sliding plate (2).

4. The special-shaped parts positioning tool for a vertical machining center according to claim 3, characterized in that: The movable clamping rod component (7) includes a round barrel (701), a compression spring (702) is arranged inside the round barrel (701), the bottom of the round barrel (701) is fixedly connected to the clamping rod mounting barrel (4), a clamping rod (703) is arranged on the top of the compression spring (702), the bottom of the compression spring (702) is fixedly connected to the round barrel (701), the top of the compression spring (702) is fixedly connected to the clamping rod (703), and the bottom of the clamping rod (703) is slidably connected to the round barrel (701).

5. The special-shaped parts positioning tool for a vertical machining center according to claim 4, characterized in that: The screw pressing block component (6) includes a rotating screw (601) and a V-shaped clamp (602), wherein the rotating screw (601) is threadedly connected to the clamp rod mounting barrel (4), the rotating screw (601) is rotationally connected to the V-shaped clamp (602), the V-shaped clamp (602) is slidingly connected to the clamp rod mounting barrel (4), and the inner side of the V-shaped clamp (602) is in contact with a plurality of clamp rods (703).

6. The special-shaped parts positioning tool for a vertical machining center according to claim 1, characterized in that: The bottom of the cylinder (501) is fixedly connected to the sliding plate (2), the bottom of the pull rod rotating seat (502) is fixedly connected to the cylinder (501), the bottom of the pull rod mounting block (503) is fixedly connected to the pneumatic rod of the cylinder (501), one end of the first pull rod (504) is rotationally connected to the pull rod rotating seat (502), the other end of the first pull rod (504) is rotationally connected to one end of the movable pressure rod (507), one end of the second pull rod (505) is rotationally connected to the pull rod mounting block (503), the other end of the second pull rod (505) is rotationally connected to the first pull rod (504), one end of the third pull rod (506) is rotationally connected to the pull rod mounting block (503), the other end of the third pull rod (506) is rotationally connected to the other end of the movable pressure rod (507), and the arc pressure block (508) is fixedly connected to the movable pressure rod (507).

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