Positioning fixture for numerical control machine tool

Abstract

The utility model relates to positioning fixture technical field for numerical control machine tool, and disclose a positioning fixture for numerical control machine tool, including the base for supporting equipment, the base top fixedly connected with the placing plate, the placing plate top one end fixedly connected with the electric pusher, the electric pusher output fixedly connected with the clamping plate, the base bottom is equipped with the device groove, the left and right two ends of base are equipped with the connecting groove, the connecting groove left end inserts with the movable rod that is in contact with the inner surface of connecting groove. The utility model, the fixed connection between one end of threaded rod, auxiliary disc and carousel, rotate carousel, make threaded rod rotate, threaded connection between threaded rod and movable rod, when threaded rod rotates, make movable rod left and right movement, and the fixed connection between one end of movable rod and auxiliary plate, the fixed connection between connecting seat and auxiliary plate, just make the interval between left and right two connecting seat can change, then can make the device fixed use on different specifications numerical control machine tool.

Description

Technical Field

[0001] This utility model relates to the field of positioning fixtures for CNC machine tools, specifically a positioning fixture for CNC machine tools. Background Technology

[0002] CNC machine tools are one of the core equipment in modern manufacturing. They control the movement and processing of machine tools through digital information, achieving high-precision, high-efficiency, and highly flexible automated processing. A CNC machine tool is an automated machine tool equipped with a program control system, which can automatically complete the processing of workpieces according to a pre-programmed processing program. Compared with traditional ordinary machine tools, CNC machine tools control the movement of various parts of the machine tool through digital signals, resulting in higher processing accuracy and efficiency.

[0003] When using CNC machine tools, it is necessary to position the parts to be machined. To address this issue, a positioning fixture for CNC machine tools, disclosed in publication number (CN221696091U), includes a support base plate. A rotating assembly is installed inside the support base plate. A turntable is mounted on the top of the support base plate via the rotating assembly. A support plate is fixedly mounted on the top of the turntable. A rotating rod is rotatably connected inside the support plate. A placement plate is fixedly mounted on the surface of the rotating rod. A drive assembly for facilitating the flipping of the placement plate is provided on the top of the turntable. A moving assembly is provided on the top of the placement plate. A clamping plate is mounted on the top of the placement plate via the moving assembly. A lifting assembly is provided on the top of the clamping plate. A pressure plate is mounted on the top of the clamping plate via the lifting assembly. This fixture fixes the parts before machining. However, this structure can only be used on CNC machine tools of the same specification, which limits its application. Utility Model Content

[0004] (a) Technical problems to be solved

[0005] To address the shortcomings of existing technologies, this utility model provides a positioning fixture for CNC machine tools, which has advantages such as ease of use on CNC machine tools of different specifications, and solves the problems mentioned in the background art.

[0006] (II) Technical Solution

[0007] To achieve the objectives mentioned in the background section, this utility model provides the following technical solution: a positioning fixture for a CNC machine tool, comprising a base for supporting the equipment, a placement plate fixedly connected to the top of the base, an electric actuator fixedly connected to one end of the top of the placement plate, a clamping plate fixedly connected to the output end of the electric actuator, a device groove formed at the bottom of the base, connecting grooves formed at the left and right ends of the base, a movable rod inserted into the left end of the connecting groove and fitting against the inner surface of the connecting groove, an auxiliary plate fixedly connected to the end of the movable rod away from the connecting groove, a connecting seat fixedly connected to the bottom of the auxiliary plate, a threaded rod threadedly connected to the end of the movable rod away from the auxiliary plate, a turntable fixedly connected to the end of the threaded rod away from the movable rod, an auxiliary disk tightly fitting against one side of the inner surface of the connecting groove, auxiliary grooves formed at the left and right ends of the base, and an auxiliary rod inserted parallel to and into the auxiliary groove connected to one end of the auxiliary groove.

[0008] Preferably, there are two connecting slots, which are evenly distributed on the left and right ends of the base, and the cross-section of the connecting slots is rectangular.

[0009] Preferably, there are two electric pushers, which are evenly arranged on the top of the left and right ends of the placement plate and fixedly connected to the placement plate.

[0010] Preferably, the base has auxiliary grooves parallel to the base at both ends, and auxiliary rods with outer surfaces that fit tightly against the inner surfaces of the auxiliary grooves are provided in the auxiliary grooves on both the left and right sides.

[0011] Preferably, one end of the auxiliary rod is slidably connected to the auxiliary groove, and the end of the auxiliary rod away from the auxiliary groove is fixedly connected to the outer surface of the auxiliary plate.

[0012] Preferably, the left and right sides of the outer surface of the turntable are fixedly connected to the ends of the left and right threaded rods away from the movable rod.

[0013] Compared with the prior art, this utility model provides a positioning fixture for CNC machine tools, which has the following advantages:

[0014] 1. In this utility model, one end of the threaded rod is fixedly connected to the auxiliary disk and the turntable. Rotating the turntable causes the threaded rod to rotate. The threaded rod is threadedly connected to the movable rod. When the threaded rod rotates, the movable rod moves left and right. One end of the movable rod is fixedly connected to the auxiliary plate, and the connecting seat is fixedly connected to the auxiliary plate. This allows the distance between the connecting seats on the left and right sides to change, so that the device can be used on CNC machine tools of different specifications.

[0015] 2. In this utility model, the electric pusher is fixedly connected to the placement plate, and the output end of the electric pusher is fixedly connected to the outer surface of the clamping plate. When the electric pusher is started, the clamping plate moves, which causes the distance between the left and right clamping plates to change, so that the device can be used to fix parts of different specifications. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of this utility model;

[0017] Figure 2 This is a front sectional view of the structure of this utility model;

[0018] Figure 3 This is a partially enlarged frontal cross-sectional view of the structure of this utility model.

[0019] The components are: 1. base; 2. placement plate; 3. electric actuator; 4. clamping plate; 5. device slot; 6. connecting slot; 7. movable rod; 8. auxiliary plate; 9. connecting seat; 10. threaded rod; 11. turntable; 12. auxiliary plate; 13. auxiliary slot; 14. auxiliary rod. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Please see Figures 1-3 A positioning fixture for a CNC machine tool includes a base 1 for supporting the equipment;

[0022] like Figures 1-3 As shown, a placement plate 2 is fixedly connected to the top of the base 1, an electric pusher 3 is fixedly connected to one end of the top of the placement plate 2, a clamping plate 4 is fixedly connected to the output end of the electric pusher 3, a device groove 5 is opened at the bottom of the base 1, and connecting grooves 6 are opened at both ends of the base 1. A movable rod 7 that fits against the inner surface of the connecting groove 6 is inserted into the left end of the connecting groove 6, an auxiliary plate 8 is fixedly connected to the end of the movable rod 7 away from the connecting groove 6, a connecting seat 9 is fixedly connected to the bottom of the auxiliary plate 8, a threaded rod 10 is threadedly connected to the end of the movable rod 7 away from the auxiliary plate 8, a turntable 11 is fixedly connected to the end of the threaded rod 10 away from the movable rod 7, an auxiliary plate 12 that fits tightly against the inner surface of the connecting groove 6 is connected to one side of the inner surface of the connecting groove 6, and auxiliary grooves 13 are opened at both ends of the base 1, an auxiliary rod 14 that is parallel to and inserted into the auxiliary groove 13 is connected to one end of the auxiliary groove 13.

[0023] Furthermore, a device groove 5 is provided at the bottom of the base 1, and a turntable 11 is set in the device groove 5. The turntable 11 is a circular disc, and the circumferential surface of the turntable 11 is closely fitted with the upper surface of the inner surface of the device groove 5. Moreover, the depth of the device groove 5 is less than the diameter of the turntable 11, so that the lower end of the turntable 11 is exposed to the outside, which facilitates rotation.

[0024] Furthermore, the end of the movable rod 7 furthest from the connecting groove 6 is fixedly connected to the outer surface of the auxiliary plate 8. The connecting groove 6 has a rectangular cross-section, and the movable rod 7 is a rectangular rod. The movable rod 7 is inserted into the connecting groove 6, and the outer surface of the movable rod 7 is tightly fitted to the inner surface of the connecting groove 6, so that the movable rod 7 cannot rotate and can only move left and right.

[0025] Furthermore, a threaded groove is provided at one end of the movable rod 7, and the threaded groove runs parallel through the movable rod 7. The inner surface of the threaded groove is provided with threads, and the threaded rod 10 is threadedly connected to the threaded groove. When the threaded rod 10 rotates, the movable rod 7 moves left and right.

[0026] Furthermore, the end of the threaded rod 10 away from the movable rod 7 passes through the inner surface of the connecting groove 6 into the device groove 5 and is fixedly connected to the outer surface of the turntable 11. When the turntable 11 rotates, the threaded rod 10 rotates.

[0027] Furthermore, the outer surface of the auxiliary disk 12 is in close contact with the inner surface of the connecting groove 6, and the threaded rod 10 passes through the auxiliary disk 12 and is fixedly connected to the auxiliary disk 12. The auxiliary disk 12 is a circular disk with the same diameter as the width of the connecting groove 6. Thus, the auxiliary disk 12 can rotate within the connecting groove 6, and under the action of the auxiliary disks 12 on both the left and right sides, the threaded rod 10 can only rotate and cannot move left or right.

[0028] In use, rotating the turntable 11 causes the threaded rod 10 to rotate, which in turn moves the movable rods 7 on both sides outward, causing the connecting seats 9 on both sides to move outward, thus increasing the distance between the connecting seats 9 on both sides. When the turntable 11 is rotated in the opposite direction, the threaded rod 10 rotates in the opposite direction, and the movable rods 7 on both sides move inward, thus decreasing the distance between the connecting seats 9 on both sides. After the distance between the connecting seats 9 is adjusted, the connecting seats 9 are connected and fixed to the CNC machine tool. Then, the part to be processed is placed on the upper side of the outer surface of the placement plate 2, and the electric pushers 3 on both sides are started. The clamping plate 4 moves. When the clamping plate 4 contacts the part to be processed, the part to be processed is fixed, and it can then be used normally.

[0029] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A positioning fixture for a CNC machine tool, comprising a base (1) for supporting the equipment, characterized in that: The base (1) is fixedly connected to a placement plate (2) at the top. An electric motor (3) is fixedly connected to one end of the top of the placement plate (2). A clamping plate (4) is fixedly connected to the output end of the electric motor (3). A device groove (5) is opened at the bottom of the base (1). A connecting groove (6) is opened at both the left and right ends of the base (1). A movable rod (7) that fits against the inner surface of the connecting groove (6) is inserted into the left end of the connecting groove (6). An auxiliary plate (8) is fixedly connected to the end of the movable rod (7) away from the connecting groove (6). 8) A connecting seat (9) is fixedly connected to the bottom. A threaded rod (10) is threadedly connected to the end of the movable rod (7) away from the auxiliary plate (8). A turntable (11) is fixedly connected to the end of the threaded rod (10) away from the movable rod (7). An auxiliary plate (12) is connected to one side of the inner surface of the connecting groove (6) and fits tightly against one side of the inner surface of the connecting groove (6). An auxiliary groove (13) is opened at both ends of the base (1). An auxiliary rod (14) is connected to one end of the auxiliary groove (13) and is parallel to the auxiliary groove (13) and inserted into it.

2. A positioning fixture for a CNC machine tool according to claim 1, characterized in that: There are two connecting slots (6), which are evenly arranged on the left and right ends of the base (1), and the cross-section of the connecting slots (6) is rectangular.

3. A positioning fixture for a CNC machine tool according to claim 1, characterized in that: The number of electric pushers (3) is two. The two electric pushers (3) are evenly arranged on the top of the left and right ends of the placement plate (2) and are fixedly connected to the placement plate (2).

4. A positioning fixture for a CNC machine tool according to claim 1, characterized in that: The base (1) has auxiliary grooves (13) parallel to the base (1) at both ends, and auxiliary rods (14) with their outer surfaces closely fitting the inner surfaces of the auxiliary grooves (13) are provided in the auxiliary grooves (13) on both the left and right sides.

5. A positioning fixture for a CNC machine tool according to claim 1, characterized in that: One end of the auxiliary rod (14) is slidably connected to the auxiliary groove (13), and the other end of the auxiliary rod (14) away from the auxiliary groove (13) is fixedly connected to the outer surface of the auxiliary plate (8).

6. A positioning fixture for a CNC machine tool according to claim 1, characterized in that: The outer surface of the turntable (11) is fixedly connected to the left and right ends of the threaded rods (10) on the left and right sides away from the movable rod (7).

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