Positioning device of die machining numerical control machine tool

Abstract

The utility model relates to the field of numerical control machine tools, and discloses a positioning device of a mold machining numerical control machine tool, which comprises a machine tool positioning table, a plurality of guide grooves are formed in the upper surface of the machine tool positioning table, connecting blocks are movably mounted in the guide grooves, and the top ends of the connecting blocks extend to the upper part of the machine tool positioning table and are fixedly provided with positioning clamping blocks; a clamping head is fixedly connected to one side edge of the positioning clamping block, a fixing groove is formed in the middle of the top end of the positioning clamping block, a threaded rod is in threaded connection with one side, back to the clamping head, of the positioning clamping block, one side of the threaded rod extends into the fixing groove and is rotationally provided with a movable block, and the upper surface of the movable block penetrates through the fixing groove and is fixedly connected with a positioning rod; the clamping heads are matched with the positioning rods and the elastic clamping blocks to be arranged at different positions of the outer surface of the mold, so that the effect of conveniently positioning the mold in the machining process is achieved, the overall stability of the mold during positioning is improved, the problem that the mold shakes due to unstable positioning caused by the special shape of the mold is solved, and the overall machining efficiency of the mold is improved.

Description

Technical Field

[0001] The present application relates to the field of numerically controlled machine tools, and in particular to a positioning device for a numerically controlled machine tool for mold processing. Background Art

[0002] CNC machine tools are advanced manufacturing equipment that use computer numerical control systems to control machine tool movement and processing. These machine tools use pre-written digital programs to accurately control tool position, speed, processing depth and other parameters to complete various complex processing tasks. Compared with traditional manual or semi-automatic machine tools, CNC machine tools have higher precision, efficiency and flexibility, and are suitable for various processing needs and workpiece types.

[0003] When a CNC lathe is processing a mold, the mold needs to be fixed on the operating table of the machine tool. However, due to the complex overall structure of the mold, during the positioning process, affected by the special-shaped structure of the mold, a certain position of the mold may not be convenient for precise limiting, which may cause the mold to shake during processing in the machine tool, affecting the overall accuracy of the CNC machine tool when processing the mold.

[0004] In view of the above-mentioned related technologies, the inventor believes that there is a defect that the mold is unstable when positioned in a CNC machine tool due to the special-shaped structure. Therefore, a positioning device for a mold processing CNC machine tool is proposed to solve the above problem. Utility Model Content

[0005] In order to solve the problem of unstable positioning of a mold due to a special-shaped structure when positioning the mold in a CNC machine tool, the present application provides a positioning device for a mold processing CNC machine tool.

[0006] The positioning device of a mold processing CNC machine tool provided in this application adopts the following technical solution:

[0007] A positioning device for a mold processing CNC machine tool comprises a machine tool positioning table, a plurality of guide grooves are provided on the upper surface of the machine tool positioning table, a connecting block is movably installed inside the guide groove, the top end of the connecting block extends to the top of the machine tool positioning table and a positioning clamp block is fixedly installed thereon, a clamping head is fixedly connected to one side edge of the positioning clamp block, a fixing groove is provided at the middle part of the top end of the positioning clamp block, a threaded rod is threadedly connected to one side of the positioning clamp block at the back of the clamping head, a movable block is rotatably installed inside the threaded rod extending from one side of the fixing groove, a positioning rod is fixedly connected to the outside of the fixing groove on the upper surface of the movable block, an elastic clamp block is sleeved on the outer surface of the positioning rod, and a rotating mechanism is also provided inside the machine tool positioning table for adjusting the synchronous movement of multiple connecting blocks.

[0008] Preferably, the rotating mechanism includes a fixed inner cavity, which is opened inside the machine tool positioning table and connected to the guide groove, a fixed partition is fixedly connected to the middle of one side of the inner wall of the fixed inner cavity, a brake motor is installed in the middle of the bottom end of the inner wall of the fixed inner cavity, and a movable disk is installed on the output end of the upper surface of the brake motor through the fixed partition, and a plurality of connecting rotating rods are rotatably installed on the top edge of the movable disk, and the top edge of the connecting rotating rod is rotatably connected to the lower bottom surface of the connecting block.

[0009] Preferably, the outer diameter of the connecting block is smaller than the distance between the two sides of the inner wall of the guide groove, and the guide groove and the connecting block are embedded in each other.

[0010] Preferably, a circular hole is formed through the middle of the top end of the elastic block, the outer diameter of the positioning rod is larger than the inner diameter of the circular hole, and the positioning rod and the circular hole are engaged with each other.

[0011] Preferably, the number of the connecting rotating rods and the guide grooves is six, and an edge portion of one end of the connecting rotating rod is located directly below the guide groove.

[0012] In summary, this application includes the following beneficial technical effects:

[0013] By placing the mold on the upper surface of the machine tool positioning table, the movable disc rotates to drive the connecting rotating rod and the connecting block to rotate, so that multiple positioning clamps cooperate with the clamping head to clamp on the outer surface of the mold, and at the same time, the threaded rod is rotated to push the movable block to move along the inside of the fixed groove, so that the positioning rod moves close to different positions of the outer surface of the mold, and the elastic clamp block moves along the outer surface of the positioning rod, so that the elastic clamp block is clamped in the recessed position of the mold; compared with the existing technology, this solution has the effect of facilitating the positioning of the mold in processing, improves the overall stability of the mold during positioning, solves the problem of unstable positioning and shaking caused by the special shape of the mold, and improves the overall processing efficiency of the mold. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the embodiment of the application;

[0015] Figure 2 is a schematic diagram of the cross-sectional structure of a machine tool positioning platform in an embodiment of the application;

[0016] Figure 3 It is a schematic diagram of the structure of the guide groove in the embodiment of the application;

[0017] Figure 4 It is a schematic diagram of the internal structure of the positioning clamp in the embodiment of the application;

[0018] Explanation of the accompanying reference numerals: 1. Machine tool positioning table; 2. Fixed inner cavity; 3. Fixed partition; 4. Brake motor; 5. Movable disc; 6. Connecting rotating rod; 7. Guide groove; 8. Connecting block; 9. Positioning clamping block; 10. Clamping head; 11. Fixed groove; 12. Threaded rod; 13. Movable block; 14. Positioning rod; 15. Elastic clamping block. DETAILED DESCRIPTION

[0019] The following is combined with Figure 1-4 This application is described in further detail.

[0020] The present application embodiment discloses a positioning device for a mold processing CNC machine tool. Figure 1-4 A positioning device for a mold processing CNC machine tool comprises a machine tool positioning platform 1, a plurality of guide grooves 7 are provided on the upper surface of the machine tool positioning platform 1, a connecting block 8 is movably installed inside the guide groove 7, the outer diameter of the connecting block 8 is smaller than the spacing between the two sides of the inner wall of the guide groove 7, the guide groove 7 and the connecting block 8 are interlocked with each other, the top of the connecting block 8 extends to the top of the machine tool positioning platform 1 and a positioning clamping block 9 is fixedly installed thereon, a clamping head 10 is fixedly connected to one side edge of the positioning clamping block 9, a fixing groove 11 is provided in the middle of the top of the positioning clamping block 9, and one side of the positioning clamping block 9 A threaded rod 12 is threadedly connected to the back of the clamping head 10, and one side of the threaded rod 12 extends to the inside of the fixed groove 11 where a movable block 13 is rotatably installed. The upper surface of the movable block 13 passes through the outside of the fixed groove 11 and is fixedly connected to a positioning rod 14. An elastic clamping block 15 is sleeved on the outer surface of the positioning rod 14, and a circular hole is opened through the middle of the top of the elastic clamping block 15. The outer diameter of the positioning rod 14 is larger than the inner diameter of the circular hole, and the positioning rod 14 and the circular hole are engaged with each other. A rotating mechanism is also provided inside the machine tool positioning table 1 for adjusting the synchronous movement of multiple connecting blocks 8.

[0021] By placing the mold in the middle position of the upper surface of the machine tool positioning table 1, the connecting block 8 drives the positioning clamp block 9 to move along the upper surface of the machine tool positioning table 1, and then multiple positioning clamp blocks 9 cooperate with the clamping head 10 to clamp on the outer surface of the mold, clamp and position the bottom of the mold, and at the same time, rotate the threaded rod 12 to push the movable block 13 to move along the inside of the fixed groove 11, so that the movable block 13 drives the positioning rod 14 to move and abut against different positions on the outer surface of the mold, and the elastic clamp block 15 moves along the outer surface of the positioning rod 14, so that the elastic clamp block 15 is clamped in the recessed position of the mold, which reflects the overall positioning effect of the mold on the machine tool positioning table 1.

[0022] Reference Figure 2 and Figure 3The rotating mechanism includes a fixed inner cavity 2, which is opened inside the machine tool positioning table 1 and connected with the guide groove 7. A fixed partition 3 is fixedly connected to the middle of one side of the inner wall of the fixed inner cavity 2, and a brake motor 4 is installed in the middle of the bottom end of the inner wall of the fixed inner cavity 2. The output end of the upper surface of the brake motor 4 passes through the fixed partition 3 and is installed with a movable disk 5 above the fixed partition 3. A plurality of connecting rods 6 are rotatably installed on the top edge of the movable disk 5. The top edge of the connecting rod 6 is rotatably connected to the lower bottom surface of the connecting block 8. The number of the connecting rods 6 and the guide grooves 7 is six, and one end edge of the connecting rod 6 is located directly below the guide groove 7.

[0023] By starting the brake motor 4 to drive the movable disc 5 to rotate, the movable disc 5 drives the multiple connecting rods 6 to rotate, and then the connecting block 8 moves along the inside of the guide groove 7, which reflects the synchronous adjustment effect of the brake motor 4 on the multiple connecting blocks 8.

[0024] The implementation principle of the positioning device of a mold processing CNC machine tool in the embodiment of the present application is as follows: by placing the mold in the middle position of the upper surface of the machine tool positioning table 1, starting the brake motor 4 to drive the movable disc 5 to rotate, the input end of the brake motor 4 power supply is electrically connected to the output end of the external power supply, so that the movable disc 5 rotates to drive multiple connecting rods 6 to rotate, and then the connecting block 8 moves along the inside of the guide groove 7, so that the connecting block 8 drives the positioning clamping block 9 to move along the upper surface of the machine tool positioning table 1, and then the multiple positioning clamping blocks 9 cooperate with the clamping head 10 to clamp on the outer surface of the mold, and the mold is aligned. The bottom of the mold is clamped and positioned, and the threaded rod 12 is rotated to push the movable block 13 to move along the inside of the fixed groove 11, so that the movable block 13 drives the positioning rod 14 to move and abut against different positions on the outer surface of the mold, and the elastic clamping block 15 is moved along the outer surface of the positioning rod 14, so that the elastic clamping block 15 is clamped at the recessed position of the mold; compared with the prior art, this solution has the effect of facilitating the positioning of the mold in processing, improving the overall stability of the mold during positioning, solving the problem of shaking caused by the unstable positioning of the mold due to the special shape of the mold, and improving the overall processing efficiency of the mold.

[0025] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0026] Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0027] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

[0028] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A positioning device for a mold processing CNC machine tool, comprising a machine tool positioning table (1), characterized in that: The upper surface of the machine tool positioning platform (1) is provided with a plurality of guide grooves (7), a connecting block (8) is movably installed inside the guide groove (7), the top end of the connecting block (8) extends to the top of the machine tool positioning platform (1) and a positioning clamping block (9) is fixedly installed thereon, a clamping head (10) is fixedly connected to one side edge of the positioning clamping block (9), a fixing groove (11) is provided in the middle of the top end of the positioning clamping block (9), a threaded rod (12) is threadedly connected to one side of the positioning clamping block (9) at the back of the clamping head (10), a movable block (13) is rotatably installed inside one side of the threaded rod (12) extending to the inside of the fixing groove (11), a positioning rod (14) is fixedly connected to the outside of the fixing groove (11) on the upper surface of the movable block (13), an elastic clamping block (15) is sleeved on the outer surface of the positioning rod (14), and a rotating mechanism is also provided inside the machine tool positioning platform (1) for adjusting the synchronous movement of the plurality of connecting blocks (8).

2. The positioning device for a mold processing CNC machine tool according to claim 1, characterized in that: The rotating mechanism comprises a fixed inner cavity (2), the fixed inner cavity (2) is opened inside the machine tool positioning platform (1) and is connected to the guide groove (7), a fixed partition (3) is fixedly connected to the middle of one side of the inner wall of the fixed inner cavity (2), a brake motor (4) is installed in the middle of the bottom end of the inner wall of the fixed inner cavity (2), and a movable disc (5) is installed on the upper surface output end of the brake motor (4) through the fixed partition (3), and a plurality of connecting rods (6) are rotatably installed on the top edge of the movable disc (5), and the top edge of the connecting rod (6) is rotatably connected to the bottom surface of the connecting block (8).

3. The positioning device for a mold processing CNC machine tool according to claim 1, characterized in that: The outer diameter of the connecting block (8) is smaller than the distance between the two sides of the inner wall of the guide groove (7), and the guide groove (7) and the connecting block (8) are interlocked.

4. The positioning device for a mold processing CNC machine tool according to claim 1, characterized in that: A circular hole is formed through the middle of the top end of the elastic block (15); the outer diameter of the positioning rod (14) is larger than the inner diameter of the circular hole; the positioning rod (14) and the circular hole are engaged with each other.

5. The positioning device for a mold processing CNC machine tool according to claim 2, characterized in that: The number of the connecting rotating rods (6) and the guiding grooves (7) is six, and an edge portion of one end of the connecting rotating rod (6) is located directly below the guiding groove (7).

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