CNC machining jig with high stability

Abstract

The utility model relates to the field of machining jigs, and discloses a high-stability CNC machining jig which comprises a fixing plate, three shells and three rotating covers, rotating positioning mechanisms are arranged at the lower ends of the outer walls of the three shells, each rotating positioning mechanism comprises a fixing ring, and connecting rings are movably arranged at the upper ends of the outer walls of the three fixing rings. Rotating rings are rotatably arranged at the lower ends of the outer walls of the three fixing rings, a plurality of inserts are slidably arranged on the inner walls of the three fixing rings, connecting rods are fixedly arranged at the centers of the upper end faces of the inserts, adjusting mechanisms are arranged at the centers of the upper end faces of the three rotating covers, and each adjusting mechanism comprises a threaded sleeve. According to the clamping mechanism, the clamping position of the cylindrical part can be adjusted, deformation or sinking of the cylindrical part caused by extrusion between the machined part and the clamping mechanism due to uneven stress in the machining process is prevented, and the rotating angle of the machined part can be rapidly adjusted.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of processing fixture especially relates to a high stability's CNC processing fixture. BACKGROUND

[0002] Jig is a woodworking, blacksmith, bench worker, machinery, electric control and other handicrafts major tool, is mainly used as a kind of tool to assist control position or action.Jig can be divided into three categories of process assembly jig, project test jig and circuit board test jig, CNC is a kind of automatic machine tool equipped with program control system, is abbreviated as numerical control, the control system can logically process the program with control code or other symbol instruction specification, and it is translated into code by code, and is input into numerical control device through information carrier.

[0003] The inventor found the following problems in the prior art during the implementation of the present application:

[0004] In the prior art, the clamping fixed mode is mostly directly used to fix the machining parts, and when machining cylindrical parts, the clamping position is not convenient to adjust, so that the clamping effect is poor when machining long parts, which can cause the deformation or indentation of the machining parts due to the extrusion between the machining parts and the clamping device during the machining process, and in the prior art, the clamping mechanism is usually fixed by bolts, so it is not convenient to adjust the rotation angle of the machining parts.

[0005] Therefore, the person skilled in the art provides a high-stability CNC machining jig to solve the problems in the background art. CONTENT OF THE UTILITY MODEL

[0006] The utility model aims at solving the shortcomings in the prior art, and provides a high-stability CNC machining jig, which can adjust the clamping position of cylindrical parts, prevent the deformation or indentation of the machining parts due to the extrusion between the machining parts and the clamping mechanism during the machining process, and quickly adjust the rotation angle of the machining parts.

[0007] To achieve the above object, the utility model provides the following technical scheme:

[0008] A high-stability CNC machining jig, comprising a fixed plate, three housings and three rotating covers, three rotating positioning mechanisms are arranged at the lower end of the outer wall of the three housings, the rotating positioning mechanism comprises a fixed ring, a connecting ring is movably arranged at the upper end of the outer wall of the fixed ring, a rotating ring is rotatably arranged at the lower end of the outer wall of the fixed ring, a plurality of inserts are slidably arranged on the inner wall of the fixed ring, and a connecting rod is fixedly arranged at the center of the upper end face of the insert;

[0009] Three upper end surfaces of the rotating cover are provided with adjusting mechanisms, the adjusting mechanisms comprise threaded sleeves, threaded inner tubes are arranged in the threaded sleeves, placing tables are arranged on the threaded inner tubes, sliding grooves are formed in upper ends of inner walls of the housings, clamping mechanisms are arranged in the sliding grooves, the clamping mechanisms comprise sliding plates, threaded rods are arranged on one side of the sliding plates, second springs are arranged on the other side of the sliding plates, and clamping pieces are arranged on the second springs.

[0010] Further, the fixing rings are arranged at lower ends of outer walls of the housings, upper ends of the connecting rods are fixed to lower end surfaces of the connecting rings, and the connecting rings are arranged on the upper ends of the fixing rings.

[0011] Further, the housings are arranged on the upper end surface of the fixed plate, and the rotating rings are fixed to the fixed plate.

[0012] Further, the threaded sleeves are arranged on the upper end surfaces of the rotating cover, the placing tables are arranged at lower ends of inner walls of the housings, and the rotating cover is arranged at the center of the lower end surface of the housing.

[0013] Further, the sliding plates and the clamping pieces are arranged in the sliding grooves, and the threaded rods are arranged on upper ends of the housings.

[0014] Further, the upper end surfaces of the connecting rings are provided with handles, and the inserts are arranged in the rotating rings.

[0015] Further, the outer walls of the connecting rods are provided with the first springs, and upper ends of the first springs are fixed to the inner walls of the fixing rings.

[0016] The utility model has the advantages of the following:

[0017] 1. The utility model proposes a high stability's CNC processing tool, rotates the cover to one side can drive the threaded sleeve rotation, can drive the threaded inner tube to push the placement platform vertical movement, convenient to the clamping position of two clamping mechanisms corresponding processing spare is adjusted, can through the rotation two threaded rods make two clamping pieces opposite movement and adhere to the processing spare outer wall both sides, continue to rotate threaded rod can make no.

[0018] 2. The utility model proposes a high stability's CNC processing tool, pulls up the rotating ring and moves up the insert through a plurality of connecting rods, so that a plurality of inserts are separated from the rotating ring and embedded in the fixed ring, then rotating the fixed ring can drive the shell to rotate, so that the rotation angle of the processing spare clamped in the shell can be adjusted, and the processing spare can be processed at multiple angles conveniently and quickly according to actual needs during processing. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the overall axis measurement schematic diagram of the utility model;

[0020] Figure 2 It is the shell axis measurement schematic diagram of the utility model;

[0021] Figure 3 It is the shell front view schematic diagram of the utility model;

[0022] Figure 4 It is the Figure 3 Enlarged schematic diagram of A in the utility model.

[0023] LEGEND:

[0024] 1, fixed plate; 2, shell; 3, rotating positioning mechanism; 4, rotating cover; 5, sliding groove; 6, adjusting mechanism; 7, clamping mechanism; 301, connecting ring; 302, fixed ring; 303, rotating ring; 304, connecting rod; 305, no. 1 spring; 306, insert; 601, threaded sleeve; 602, threaded inner tube; 603, placement platform; 701, threaded rod; 702, sliding plate; 703, no. 2 spring; 704, clamping piece. DETAILED DESCRIPTION

[0025] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0026] With reference to Figures 1 to 4 An embodiment provided by the present application:

[0027] The CNC machining jig has high stability, comprises a fixed plate 1, three housings 2 and three rotating covers 4, rotating positioning mechanisms 3 are arranged at the lower ends of the outer walls of the three housings 2, each rotating positioning mechanism 3 comprises a fixed ring 302, a connecting ring 301 is movably arranged at the upper end of the outer wall of each fixed ring 302, a rotating ring 303 is rotatably arranged at the lower end of the outer wall of each fixed ring 302, a plurality of inserts 306 are slidably arranged on the inner wall of each fixed ring 302, and a connecting rod 304 is fixedly arranged at the center of the upper end face of each insert 306.

[0028] Adjusting mechanisms 6 are arranged at the centers of the upper end faces of the three rotating covers 4, each adjusting mechanism 6 comprises a threaded sleeve 601, a threaded inner tube 602 is threadedly arranged in the threaded sleeve 601, a placement table 603 is fixedly arranged at the upper end of each threaded inner tube 602, sliding grooves 5 are formed in the inner walls of the three housings 2, clamping mechanisms 7 are arranged in the six sliding grooves 5, each clamping mechanism 7 comprises a sliding plate 702, a threaded rod 701 is rotatably arranged at the center of one side of each sliding plate 702, a second spring 703 is fixedly arranged at the center of the other side of each sliding plate 702, and a clamping piece 704 is fixedly arranged at one end of each second spring 703.

[0029] Specifically, the rotating positioning mechanism 3 can realize rapid angle adjustment and fixing effect of the machining part during machining, the adjusting mechanism 6 can adjust the depth of the machining part embedded in the housing 2, so as to adjust the position of the clamping point between the clamping mechanism 7 and the machining part, and the clamping mechanism 7 can adjust the clamping force of the machining part, so as to prevent the machining part from being extruded and deformed due to uneven stress during machining.

[0030] With reference to Figure 1 , Figure 2 , Figure 3 , Figure 4 The three fixed rings 302 are fixedly sleeved at the lower ends of the outer walls of the three housings 2, and the upper ends of the plurality of connecting rods 304 located in the same fixed ring 302 are fixedly connected with the lower end face of the connecting ring 301 at the upper end of the same fixed ring 302.

[0031] Specifically, the same fixing ring 302 can be controlled by pulling the connecting ring 301. The plurality of connecting rods 304 inside move upward or downward at the same time

[0032] Referring to Figure 1 , three housings 2 are respectively embedded on the center and both sides of the upper end surface of the fixing plate 1, and the three rotating rings 303 are fixedly connected with the fixing plate 1.

[0033] Specifically, the positions of the three housings 2 are fixed by the fixing plate 1, and the housings 2 can be rotated by the fixing ring 302 through the fixed connection between the rotating ring 303 and the fixing plate 1.

[0034] Referring to Figure 3 , three threaded sleeves 601 are respectively fixedly arranged on the upper end surface center of the three rotating covers 4, three placement tables 603 are respectively slidingly connected and arranged on the inner wall of the three housings 2, and the three rotating covers 4 are respectively arranged on the outer wall of the three housings 2.

[0035] Specifically, the three threaded sleeves 601 are rotated by the three rotating covers 4, and the rotation angle of the threaded inner tube 602 is fixed under the action of the slidingly connected placement table 603, so that the threaded inner tube 602 can drive the placement table 603 to slide up and down.

[0036] Referring to Figure 3 , six sliding plates 702 and six clamping pieces 704 are respectively slidingly arranged inside one of the six sliding grooves 5, and six threaded rods 701 are respectively threaded through the upper ends of both sides of the outer wall of the three housings 2.

[0037] Specifically, by rotating the threaded rod 701, the two clamping pieces 704 inside the same housing 2 are pushed to move oppositely by the sliding plate 702 and the second spring 703, so as to realize the clamping and fixing effect of the machining part.

[0038] Referring to Figure 1 , Figure 2 , Figure 3 , the upper end surface of the three connecting rings 301 is fixedly provided with a handle, and the plurality of inserts 306 in the same fixing ring 302 are slidingly embedded in the rotating ring 303 at the lower end of the same fixing ring 302.

[0039] Specifically, the connecting ring 301 is pulled by the handle, so that the insert 306 can be separated from the rotating ring 303, and the unlocking effect of the rotation angle between the fixing ring 302 and the rotating ring 303 is realized.

[0040] Referring to Figure 3 , Figure 4The outer wall of the plurality of connecting rods 304 is movably sleeved with a first spring 305, and the upper end of the plurality of first springs 305 located inside the same fixed ring 302 is fixedly connected with the upper end surface of the inner wall of the same fixed ring 302.

[0041] Specifically, the upward movement of the insert 306 extrudes the first spring 305, so that the plurality of first springs 305 are in a contracted state, and then the plurality of inserts 306 can reset under the action of the first spring 305 after the handle is loosened.

[0042] Working principle: embed the processed parts inside the shell 2, then rotate the rotating cover 4 to drive the placement table 603 to rise and fall inside the shell 2, so as to adjust the position of the clamping point between the clamping mechanism 7 and the processed parts, then rotate the two threaded rods 701 to adjust the tightness of the two second springs 703, thereby achieving the effect of adjusting the clamping force of the two clamping pieces 704, when it is necessary to adjust the rotation angle of the processed parts, the handle can be pulled upward to drive the connecting ring 301 and the connecting rod 304 to pull the insert 306 away from the rotating ring 303, at this time the shell 2 can be rotated, after rotation, the handle is loosened, and the plurality of inserts 306 are embedded in the fixed ring 302 under the action of the plurality of first springs 305 to fix the rotation angle of the shell 2.

[0043] Finally, it should be pointed out that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A CNC machining jig with high stability, comprising a fixed plate (1), three housings (2) and three rotating covers (4), characterized in that: The lower end of the outer wall of each of the three shells (2) is provided with a rotating positioning mechanism (3), each of the three rotating positioning mechanisms (3) comprises a fixed ring (302), the outer wall of each of the three fixed rings (302) is movably provided with a connecting ring (301), the lower end of the outer wall of each of the three fixed rings (302) is rotatably provided with a rotating ring (303), the inner wall of each of the three fixed rings (302) is slidably provided with a plurality of inserts (306), and the upper end surface of each of the plurality of inserts (306) is fixedly provided with a connecting rod (304). The upper end surface of each of the three rotating covers (4) is provided with an adjusting mechanism (6), each of the three adjusting mechanisms (6) comprises a threaded sleeve (601), the inside of each of the three threaded sleeves (601) is threadedly provided with a threaded inner tube (602), the upper end of each of the three threaded inner tubes (602) is fixedly provided with a placement table (603), the upper end of each of the inner walls of the three shells (2) is provided with a sliding groove (5), the inside of each of the six sliding grooves (5) is provided with a clamping mechanism (7), and each of the six clamping mechanisms (7) comprises a sliding plate (702), the side of each of the six sliding plates (702) is rotatably provided with a threaded rod (701), the other side of each of the six sliding plates (702) is fixedly provided with a second spring (703), and one end of each of the six second springs (703) is fixedly provided with a clamping piece (704).

2. The CNC machining jig with high stability according to claim 1, characterized in that: The three fixed rings (302) are fixedly sleeved on the lower end of the outer wall of the three shells (2), respectively, the upper ends of the plurality of connecting rods (304) located in the same fixed ring (302) are fixedly connected to the lower end surface of the connecting ring (301) on the upper end of the same fixed ring (302).

3. The CNC machining jig with high stability according to claim 1, characterized in that: The three shells (2) are embedded on the upper end surface of the fixed plate (1) and the two sides, respectively, and the three rotating rings (303) are fixedly connected with the fixed plate (1).

4. The CNC machining jig with high stability according to claim 1, characterized in that: The three threaded sleeves (601) are fixedly arranged on the upper end surface of the three rotating covers (4), respectively, the three placement tables (603) are slidably connected to the lower end of the inner wall of the three shells (2), respectively, and the three rotating covers (4) are rotatably arranged on the lower end surface of the three shells (2), respectively.

5. The CNC machining jig with high stability according to claim 1, characterized in that: The six sliding plates (702) and the six clamping pieces (704) are slidably arranged in one of the six sliding grooves (5), respectively, and the six threaded rods (701) are threadedly penetrated through the upper end of the outer wall of the three shells (2).

6. The CNC machining jig with high stability according to claim 1, characterized in that: The upper end surface of each of the three connecting rings (301) is fixedly provided with a handle, and the plurality of inserts (306) located in the same fixed ring (302) are movably embedded in the rotating ring (303) at the lower end of the same fixed ring (302).

7. The CNC machining jig with high stability according to claim 1, characterized in that: The outer wall of each of the plurality of connecting rods (304) is movably sleeved with a first spring (305), and the upper ends of the plurality of first springs (305) located in the same fixed ring (302) are fixedly connected to the upper end surface of the inner wall of the same fixed ring (302).

Images