Fixing tool for numerical control machining center

Abstract

The utility model discloses a fixing tool for a numerical control machining center, and relates to the technical field of numerical control machining auxiliary equipment. The device comprises a base, a lifting sliding groove is formed in the top of the base, a lifting table is slidably connected into the lifting sliding groove, an L-shaped connecting frame is fixedly connected to one end of the base, and L-shaped clamping rods are symmetrically slidably connected into the L-shaped connecting frame. The driving assembly is used for driving the lifting table to be matched with the electromagnet to push the to-be-machined part to move to the position between the two locking penetrating openings along the inner wall of the lifting sliding groove, and when the to-be-machined part moves to the position between the two locking penetrating openings in cooperation with the control assembly, the to-be-machined part is locked. The locking assembly is started to drive the two locking rods to move close to each other in the length direction of the L-shaped clamping rod, the two locking heads are driven to penetrate through the locking penetrating opening to clamp and fix the workpiece to be machined, then the electromagnet is closed to relieve magnetic attraction fixing of the workpiece to be machined, and meanwhile the driving assembly is reversely started to relieve supporting of the lifting table to the workpiece to be machined.

Description

Technical Field

[0001] The present application relates to the technical field of CNC machining auxiliary equipment, and in particular to a fixed tooling for a CNC machining center. Background Art

[0002] With the rapid development of modern manufacturing industry, CNC machining centers, as key equipment to achieve high-precision and high-efficiency machining, are widely used in various mechanical processing fields. In the CNC machining process, fixed tooling is an important device for positioning and fixing workpieces, and its performance and quality directly affect the machining accuracy, production efficiency and product quality.

[0003] Existing fixtures usually use mechanical structures to achieve the positioning and fixation of workpieces. These fixtures usually include components such as fixtures, bases, and positioning pins, which are connected and adjusted by bolts, nuts or other fasteners to adapt to workpieces of different shapes and sizes.

[0004] However, although the existing tooling fixtures can achieve basic fixing functions, when faced with workpieces of different sizes and shapes, it is often necessary to frequently replace the fixtures and adjust the fixing positions, which is cumbersome and time-consuming. Utility Model Content

[0005] The purpose of the present application is to solve the problem that when facing workpieces of different sizes and shapes, existing tooling and fixtures often need to be frequently replaced, the fixed position needs to be adjusted, and the operation is cumbersome and time-consuming. The present application provides a fixed tooling for a CNC machining center.

[0006] In order to achieve the above-mentioned purpose, this application specifically adopts the following technical solutions:

[0007] A fixed tooling for a CNC machining center comprises a base, a lifting slide groove is provided on the top of the base, a lifting platform is slidably connected inside the lifting slide groove, one end of the base is fixedly connected to an L-shaped connecting frame, an L-shaped clamping rod is symmetrically slidably connected inside the L-shaped connecting frame, one end of the L-shaped clamping rod is rotatably connected to a locking rod, one end of the locking rod is fixedly connected to a locking head, a locking through hole adapted to the locking head is symmetrically provided on the top of the lifting platform, an electromagnet is fixedly connected to the top of the lifting platform, a driving assembly for driving the lifting platform to lift and lower is installed at one end of the base, a locking assembly for driving the locking rod to move along the length direction of the L-shaped clamping rod is installed at one end of the L-shaped connecting frame, and a control assembly is installed at one end of the locking head.

[0008] By adopting the above technical scheme, by setting the coordinated use of the driving component, the locking component and the control component, it is convenient to use the driving component to drive the lifting platform to cooperate with the electromagnet to push the workpiece to be processed to move between the two locking openings along the inner wall of the lifting slide groove, and when the workpiece to be processed moves between the two locking openings in cooperation with the control component, the locking component is started to drive the two locking rods to move closer to each other along the length direction of the L-shaped clamping rod, and drive the two locking heads to pass through the locking openings to clamp and fix the workpiece to be processed, and then the electromagnet is turned off to release the magnetic fixation of the workpiece to be processed, and at the same time, the driving component is started in reverse to release the support of the lifting platform for the workpiece to be processed, so as to facilitate automatic positioning, clamping and fixing according to the size of the workpiece to be processed, thereby effectively improving the fixing and clamping efficiency of the device for the workpiece to be processed and improving the practicability of the device.

[0009] Furthermore, the driving assembly includes a lifting screw rotatably connected to the inside of the lifting slide, one end of the lifting platform is threadedly connected to the lifting screw, the bottom of the base is fixedly connected to a lifting motor, and the output end of the lifting motor is fixedly connected to the lifting screw.

[0010] By adopting the above technical solution and arranging the coordinated use of the lifting screw and the lifting platform, starting the lifting motor can drive the lifting screw and the lifting platform to form a threaded connection, and push the lifting platform to slide along the inner wall of the lifting slot, thereby effectively improving the practicability of the device.

[0011] Furthermore, the locking assembly includes a locking rack fixedly connected to one end of the L-shaped clamping rod, one side of the L-shaped connecting frame is rotatably connected to a locking gear, the two locking racks are synchronously meshed with the locking gear, one side of the L-shaped connecting frame is fixedly connected to a locking motor, and the output end of the locking motor is fixedly connected to the locking gear.

[0012] By adopting the above technical solution and arranging the locking rack and the locking gear for coordinated use, the locking motor can be started to drive the locking gear to engage synchronously with the two locking racks, and the locking rack can be driven to drive the two L-shaped clamping rods to move closer to or away from each other along the length direction of the locking rod, thereby effectively improving the practicability of the device.

[0013] Furthermore, the control component includes a mounting groove opened at one end of a locking head, a camera is fixedly connected to the inside of the mounting groove, and a controller is fixedly connected to the top of the L-shaped connecting frame, and the controller is electrically connected to the camera, lifting motor, and locking motor.

[0014] By adopting the above technical solution and setting up the coordinated use of the camera and the controller, when the lifting platform pushes the workpiece to be processed to align with the locking head, a start signal is sent to the controller through the camera, thereby effectively improving the accuracy of the device.

[0015] Furthermore, one end of the locking rod is fixedly connected to a worm wheel, one end of the L-shaped clamping rod is rotatably connected to a worm meshing with the worm wheel, one end of the L-shaped clamping rod is fixedly connected to an adjusting motor, and an output end of the adjusting motor is fixedly connected to the worm wheel.

[0016] By adopting the above technical solution and setting the coordinated use of the worm gear and the worm, it is convenient to drive the two locking heads to clamp and fix the workpiece to be processed, and by starting the adjustment motor to drive the locking rod to cooperate with the locking head to drive the clamped workpiece to rotate, thereby effectively improving the scope of application and practicality of the device.

[0017] Furthermore, a rubber pad is fixedly connected to one side of the locking head.

[0018] By adopting the above technical solution and arranging the rubber pad for use in conjunction with the locking head, the friction between the locking head and the workpiece to be processed is effectively improved, thereby improving the stability of the device.

[0019] Furthermore, a discharge port is provided on one side of the lifting platform, a collecting trough is provided on one end of the base, and an output end of the discharge port is adapted to the collecting trough.

[0020] By adopting the above technical solution, by setting the discharge port and the collection trough for use together, it is convenient to guide the processing debris that falls into the lifting platform through the discharge port into the collection trough for collection, thereby effectively improving the practicality of the device.

[0021] Furthermore, a discharge slope is provided at one end of the lifting platform, and a material guide plate is fixedly connected to one end of the lifting platform, and one end of the material guide plate passes through the discharge port and extends to the top of the collecting trough.

[0022] By adopting the above technical solution, by setting the discharge slope and the guide plate for use together, the processing debris slides along the inner wall of the discharge slope under the action of gravity, and is introduced into the interior of the collecting trough through the guide plate, thereby effectively improving the practicability of the device.

[0023] In summary, the present application includes at least one of the following beneficial effects:

[0024] 1. By setting the coordinated use of the driving component, the locking component and the control component, it is convenient to use the driving component to drive the lifting platform to cooperate with the electromagnet to push the workpiece to be processed to move between the two locking openings along the inner wall of the lifting slide groove, and when the workpiece to be processed moves between the two locking openings in cooperation with the control component, the locking component is started to drive the two locking rods to move closer to each other along the length direction of the L-shaped clamping rod, and drive the two locking heads to pass through the locking openings to clamp and fix the workpiece to be processed, and then the electromagnet is turned off to release the magnetic fixation of the workpiece to be processed, and at the same time, the driving component is started in reverse to release the support of the lifting platform for the workpiece to be processed, so as to facilitate automatic positioning, clamping and fixing according to the size of the workpiece to be processed, thereby effectively improving the fixing and clamping efficiency of the device for the workpiece to be processed and improving the practicability of the device.

[0025] 2. By setting up the coordinated use of the worm wheel and the worm, it is convenient to drive the two locking heads to clamp the workpiece to be processed, and by starting the adjustment motor to drive the locking rod to cooperate with the locking head to drive the clamped workpiece to rotate, thereby effectively improving the scope of application and practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the three-dimensional structure of the device body in this application.

[0027] Figure 2 It is a schematic diagram of the internal structure of the base in this application.

[0028] Figure 3 It is a schematic diagram of the internal structure of the installation slot in this application.

[0029] Figure 4 It is a schematic diagram of the three-dimensional structure of the worm wheel and the worm in this application.

[0030] Description of reference numerals:

[0031] 1. Base; 2. Lifting slide; 3. Lifting platform; 4. L-shaped connecting frame; 5. L-shaped clamping rod; 6. Locking rod; 7. Locking head; 8. Locking hole; 9. Electromagnet; 10. Lifting screw; 11. Lifting motor; 12. Locking rack; 13. Locking gear; 14. Locking motor; 15. Mounting slot; 16. Camera; 17. Controller; 18. Worm gear; 19. Worm; 20. Adjusting motor; 21. Rubber pad; 22. Discharge port; 23. Collecting trough; 24. Discharge slope; 25. Guide plate. DETAILED DESCRIPTION

[0032] The following is combined with Figure 1-4 This application is described in further detail.

[0033] The embodiment of the present application discloses a fixed tooling for a CNC machining center.

[0034] Reference Figure 1-Figure 3 A fixed tooling for a CNC machining center comprises a base 1, a lifting slide 2 is provided on the top of the base 1, a lifting platform 3 is slidably connected inside the lifting slide 2, an L-shaped connecting frame 4 is fixedly connected to one end of the base 1, an L-shaped clamping rod 5 is symmetrically slidably connected inside the L-shaped connecting frame 4, a locking rod 6 is rotatably connected to one end of the L-shaped clamping rod 5, a locking head 7 is fixedly connected to one end of the locking rod 6, a locking through hole 8 adapted to the locking head 7 is symmetrically provided on the top of the lifting platform 3, an electromagnet 9 is fixedly connected to the top of the lifting platform 3, a driving component for driving the lifting platform 3 to lift is installed at one end of the base 1, a locking component for driving the locking rod 6 to move along the length direction of the L-shaped clamping rod 5 is installed at one end of the L-shaped connecting frame 4, and a control component is installed at one end of the locking head 7;

[0035] The driving assembly includes a lifting screw 10 rotatably connected to the inside of the lifting chute 2, one end of the lifting platform 3 is threadedly connected to the lifting screw 10, a lifting motor 11 is fixedly connected to the bottom of the base 1, and the output end of the lifting motor 11 is fixedly connected to the lifting screw 10;

[0036] Moreover, the locking assembly includes a locking rack 12 fixedly connected to one end of the L-shaped clamping rod 5, one side of the L-shaped connecting frame 4 is rotatably connected to a locking gear 13, the two locking racks 12 are synchronously meshed with the locking gear 13, one side of the L-shaped connecting frame 4 is fixedly connected to a locking motor 14, and the output end of the locking motor 14 is fixedly connected to the locking gear 13;

[0037] In addition, the control component includes a mounting groove 15 opened at one end of a locking head 7, a camera 16 is fixedly connected inside the mounting groove 15, and a controller 17 is fixedly connected to the top of the L-shaped connecting frame 4. The controller 17 is electrically connected to the camera 16, the lifting motor 11, and the locking motor 14.

[0038] When in use, first put the workpiece to be processed into the top of the lifting platform 3 inside the lifting chute 2, and magnetically position the workpiece to be processed by starting the electromagnet 9, so that the workpiece to be processed is fixed on the top of the electromagnet 9, and then drive the lifting screw 10 to rotate by starting the lifting motor 11, and drive the lifting screw 10 to form a threaded connection with the lifting platform 3, thereby driving the lifting platform 3 to push the workpiece to be processed upward along the inner wall of the lifting chute 2, so that the workpiece to be processed moves to between the two locking through-holes 8, and the camera 16 collects the position image of the workpiece to be processed ejected by the lifting platform 3. When the workpiece to be processed moves to a position aligned with the locking through-hole 8, the camera 16 sends a start signal to the controller 17, and the controller 17 controls the locking motor 14 to drive The movable locking gear 13 rotates, and at the same time drives the locking gear 13 to engage with the locking rack 12, and drives the two locking rods 6 to move closer to each other along the length direction of the L-shaped clamping rod 5, and at the same time makes the two locking rods 6 push the locking head 7 through the locking hole 8, and clamp the workpiece to be processed on the top of the lifting platform 3, and then release the magnetic fixation of the workpiece to be processed by closing the electromagnet 9, and then control the lifting motor 11 through the controller 17 to reversely drive the lifting screw 10 to rotate, and drive the lifting platform 3 to move downward along the inner wall of the lifting slide 2 to separate from the support of the workpiece to be processed, so as to facilitate automatic positioning, clamping and fixing according to the size of the workpiece to be processed, thereby effectively improving the fixing and clamping efficiency of the device for the workpiece to be processed and improving the practicability of the device.

[0039] Reference Figure 2 and Figure 4 , one end of a locking rod 6 is fixedly connected to a worm gear 18, one end of an L-shaped clamping rod 5 is rotatably connected to a worm 19 meshing with the worm gear 18, one end of the L-shaped clamping rod 5 is fixedly connected to an adjustment motor 20, and the output end of the adjustment motor 20 is fixedly connected to the worm 19;

[0040] A rubber pad 21 is fixedly connected to one side of the locking head 7 .

[0041] When in use, when the two locking heads 7 are driven to move towards each other along the length direction of the locking rod 6 and clamp the workpiece to be processed, the locking head 7 drives the rubber pad 21 to form a flexible contact with the workpiece to be processed, and then the adjusting motor 20 is started to drive the worm 19 to engage with the worm wheel 18, and the worm wheel 18 is driven to drive a locking rod 6 to rotate, so that the locking rod 6 cooperates with the locking head 7 to drive the clamped workpiece to be processed to rotate, thereby effectively improving the applicability and practicality of the device.

[0042] Reference Figure 1 and Figure 2 A discharge port 22 is provided on one side of the lifting platform 3, and a collection trough 23 is provided on one end of the base 1, and the output end of the discharge port 22 is adapted to the collection trough 23;

[0043] One end of the lifting platform 3 is provided with a discharge slope 24 , and one end of the lifting platform 3 is fixedly connected with a guide plate 25 , one end of the guide plate 25 passes through the discharge port 22 and extends to the top of the collecting trough 23 .

[0044] When in use, when the debris generated by processing falls into the lifting platform 3, the debris slides along the surface of the discharge slope 24 under the action of gravity, and the sliding debris is guided by the guide plate 25 to pass through the discharge port 22 and discharged into the collection trough 23, which effectively improves the practicality of the device.

[0045] The implementation principle of a fixed tooling for a CNC machining center in this embodiment is as follows: first, the workpiece to be processed is placed on the top of the lifting platform 3 inside the lifting chute 2, and the workpiece to be processed is magnetically positioned by starting the electromagnet 9, so that the workpiece to be processed is fixed on the top of the electromagnet 9, and then the lifting motor 11 is started to drive the lifting screw 10 to rotate, and the lifting screw 10 is driven to form a threaded connection with the lifting platform 3, so that the lifting platform 3 is driven to push the workpiece to be processed upward along the inner wall of the lifting chute 2, so that the workpiece to be processed moves between the two locking through-holes 8, and the camera 16 collects the position image of the workpiece to be processed pushed out by the lifting platform 3;

[0046] Then, when the workpiece to be processed moves to a position aligned with the locking hole 8, the camera 16 sends a start signal to the controller 17, and the controller 17 controls the locking motor 14 to drive the locking gear 13 to rotate, and at the same time drives the locking gear 13 to engage with the locking rack 12, and drives the two locking rods 6 to move closer to each other along the length direction of the L-shaped clamping rod 5, and at the same time, the two locking rods 6 push the locking head 7 through the locking hole 8, and clamp the workpiece to be processed on the top of the lifting platform 3, and then release the magnetic fixation of the workpiece to be processed by closing the electromagnet 9, and then control the lifting motor 11 through the controller 17 to drive the lifting screw 10 to rotate in the reverse direction, and drive the lifting platform 3 downward along the inner wall of the lifting slide 2 to break away from the support of the workpiece to be processed;

[0047] Then, the adjusting motor 20 is started to drive the worm 19 to mesh with the worm wheel 18, and the worm wheel 18 is driven to drive a locking rod 6 to rotate, so that the locking rod 6 cooperates with the locking head 7 to drive the clamped workpiece to rotate, so as to improve the processing efficiency of the workpiece.

Claims

1. A fixed fixture for a CNC machining center, comprising a base (1), characterized in that: The top of the base (1) is provided with a lifting slot (2), the interior of the lifting slot (2) is slidably connected to a lifting platform (3), one end of the base (1) is fixedly connected to an L-shaped connecting frame (4), the interior of the L-shaped connecting frame (4) is symmetrically slidably connected to an L-shaped clamping rod (5), one end of the L-shaped clamping rod (5) is rotatably connected to a locking rod (6), one end of the locking rod (6) is fixedly connected to a locking head (7), the top of the lifting platform (3) is symmetrically provided with locking openings (8) adapted to the locking head (7), the top of the lifting platform (3) is fixedly connected to an electromagnet (9), one end of the base (1) is installed with a driving component for driving the lifting platform (3) to lift, one end of the L-shaped connecting frame (4) is installed with a locking component for driving the locking rod (6) to move along the length direction of the L-shaped clamping rod (5), and one end of the locking head (7) is installed with a control component.

2. The fixed tooling for a CNC machining center according to claim 1, characterized in that: The driving assembly comprises a lifting screw (10) rotatably connected to the inside of the lifting slide groove (2); one end of the lifting platform (3) is threadedly connected to the lifting screw (10); a lifting motor (11) is fixedly connected to the bottom of the base (1); and an output end of the lifting motor (11) is fixedly connected to the lifting screw (10).

3. The fixed tool for a CNC machining center according to claim 1, characterized in that: The locking assembly comprises a locking rack (12) fixedly connected to one end of an L-shaped clamping rod (5); one side of the L-shaped connecting frame (4) is rotatably connected to a locking gear (13); the two locking racks (12) are synchronously meshed with the locking gear (13); one side of the L-shaped connecting frame (4) is fixedly connected to a locking motor (14); and the output end of the locking motor (14) is fixedly connected to the locking gear (13).

4. The fixed fixture for a CNC machining center according to claim 1, characterized in that: The control component comprises a mounting groove (15) provided at one end of a locking head (7), a camera (16) being fixedly connected inside the mounting groove (15), a controller (17) being fixedly connected to the top of the L-shaped connecting frame (4), and the controller (17) being electrically connected to the camera (16), the lifting motor (11), and the locking motor (14).

5. The fixing fixture for a CNC machining center according to claim 1, characterized in that: One end of the locking rod (6) is fixedly connected to a worm wheel (18), one end of the L-shaped clamping rod (5) is rotatably connected to a worm (19) meshing with the worm wheel (18), one end of the L-shaped clamping rod (5) is fixedly connected to an adjustment motor (20), and an output end of the adjustment motor (20) is fixedly connected to the worm wheel (19).

6. The fixing fixture for a CNC machining center according to claim 1, characterized in that: A rubber pad (21) is fixedly connected to one side of the locking head (7).

7. The fixing fixture for a CNC machining center according to claim 1, characterized in that: A discharge port (22) is provided on one side of the lifting platform (3), a material collecting trough (23) is provided on one end of the base (1), and an output end of the discharge port (22) is adapted to fit the material collecting trough (23).

8. The fixing fixture for a CNC machining center according to claim 1, characterized in that: One end of the lifting platform (3) is provided with a discharge inclined surface (24), and one end of the lifting platform (3) is fixedly connected to a material guide plate (25), one end of the material guide plate (25) passes through the discharge opening (22) and extends to the top of the collecting trough (23).

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