Numerical control machine tool clamping device with good fixing effect

Abstract

The utility model discloses a numerical control machine tool clamping device with a good fixing effect, and relates to the technical field of numerical control machine tools. A sliding groove is formed in the top end of the base, a transverse moving assembly is arranged in the sliding groove, a fixed plate is fixedly connected to one side of the top end of the base, a moving plate is slidably clamped to the side, away from the fixed plate, of the top end of the base, and symmetrically-distributed vertical rods are fixedly connected to the top end of the fixed plate and the top end of the moving plate. A height adjusting assembly is arranged between the two vertical rods correspondingly, and a clamping assembly is arranged at the top end of the base and located between the fixed plate and the movable plate. And a piston rod of an electric telescopic rod stretches out and draws back to push a sliding plate to vertically move along the inner side of a vertical rod, so that the height of the workpiece is adjusted according to the machining requirement, a cross beam can be driven to rotate through a stepping motor, the workpiece is driven to rotate, different positions of the workpiece are machined, and the application range of the equipment is further widened.

Description

Technical Field

[0001] The utility model relates to the technical field of numerical control machine tools, in particular to a clamping device for numerical control machine tools with good fixing effect. Background Art

[0002] CNC machine tool clamping devices are devices used to fix workpieces, usually on CNC machine tools. They can ensure that the workpiece maintains a stable position and attitude during the machining process to achieve accurate machining. The design and function of the clamping device vary depending on its specific use, but its basic principle is to use clamping force to fix the workpiece in the appropriate position for machining operations.

[0003] After searching, a Chinese patent discloses a CNC machine tool clamping device with good fixing effect (authorization announcement number CN212496540U), which belongs to the technical field of CNC machine tools, including "a fixed frame, the upper surface of the fixed frame is fixedly connected to a clamping tube, the upper surface of the clamping tube is fixedly connected to a support frame, the inner top side wall of the support frame is fixedly connected to an auxiliary clamping device, a moving tube is arranged inside the clamping tube, and the inner side surface of the moving tube is fixedly connected to a clamping plate". Although this patented technology can clamp parts of different specifications and sizes.

[0004] However, in the actual application of this patented technology, the position of the parts cannot be adjusted after clamping, which makes it inconvenient to perform precise processing on the parts, and to a certain extent reduces the scope of application of the clamping device. In view of the above problems, the inventor proposes a CNC machine tool clamping device with good fixing effect to solve the above problems. Utility Model Content

[0005] In order to solve the problem that it is inconvenient to adjust the position of the workpiece after it is clamped, the utility model aims to provide a clamping device for a CNC machine tool with good fixing effect.

[0006] In order to solve the above technical problems, the utility model adopts the following technical solutions: a CNC machine tool clamping device with good fixing effect, comprising a base, a slide groove is provided at the top of the base, a lateral moving component is arranged inside the slide groove, a fixed plate is fixedly connected to one side of the top of the base, a movable plate is slidably connected to the side of the top of the base away from the fixed plate, the tops of the fixed plate and the movable plate are both fixedly connected to symmetrically distributed vertical rods, a height adjustment component is arranged between the corresponding two vertical rods, and a clamping component is arranged at the top of the base and between the fixed plate and the movable plate.

[0007] Preferably, the lateral movement assembly includes a threaded rod, which is rotatably connected to the inside of a slide groove, and the outer side of the threaded rod is threadedly connected to a moving block, and the moving block is slidably engaged in the slide groove, and the top end of the moving block is fixedly connected to the bottom end of the moving plate, and one end of the slide groove extends to the outside of the base and is fixedly connected to a knob.

[0008] Preferably, the height adjustment assembly comprises an electric telescopic rod, which is fixedly installed between the corresponding two vertical rods, a slide plate is slidably connected between the two vertical rods, and a piston rod of the electric telescopic rod is fixedly connected to the slide plate.

[0009] Preferably, the clamping assembly includes a crossbeam, which is rotatably connected to one side of the skateboard, and a plate groove is opened on the side of the crossbeam away from the skateboard, and a bidirectional screw rod is rotatably connected inside the plate groove, and the outer side of the bidirectional screw rod is threadedly connected to symmetrically distributed clamping plates, a servo motor is fixedly installed on one side of the crossbeam, and the driving end of the servo motor is fixedly connected to the bidirectional screw rod, and a stepper motor is fixedly installed on the side of the skateboard away from the crossbeam, and the driving end of the stepper motor is fixedly connected to the rotating shaft of the crossbeam, and another side of the skateboard is rotatably connected to a positioning plate, and rubber pads are provided on the opposite side of the clamping plate and one side of the positioning plate, and bearings are movably sleeved on the outer sides of the positioning plate and the rotating shaft of the crossbeam, and the bearings are fixedly installed in the skateboard.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] 1. The slide plate is pushed to move vertically along the inner side of the vertical rod by the extension and retraction of the piston rod of the electric telescopic rod, so as to adjust the height of the workpiece according to the processing requirements, and the crossbeam can be driven by the stepper motor to rotate, thereby driving the workpiece to rotate, and processing different positions of the workpiece, further improving the application scope of the equipment;

[0012] 2. The bidirectional screw is driven to rotate by the servo motor, and the clamp is driven to move to one side of the workpiece. The workpiece is clamped by the clamp. Then, the threaded rod is driven to rotate by turning the knob, and the moving block and the moving plate are driven to move to one side of the fixed plate to clamp the workpiece laterally, forming clamping in different directions, thereby improving the stability of clamping. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0015] Figure 2 It is a partial cross-sectional structural schematic diagram of the utility model.

[0016] Figure 3 It is a schematic diagram of the local structure of the utility model.

[0017] Figure 4 It is a schematic diagram of the partial split structure of the utility model.

[0018] In the figure: 1. base; 2. slide; 3. fixed plate; 4. moving plate; 5. vertical rod; 6. slide plate; 7. electric telescopic rod; 8. crossbeam; 9. plate groove; 10. bidirectional screw rod; 11. clamping plate; 12. rubber pad; 13. servo motor; 14. threaded rod; 15. moving block; 16. knob; 17. positioning plate; 18. bearing; 19. stepper motor. DETAILED DESCRIPTION

[0019] 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.

[0020] Example: Figure 1-4 As shown, the utility model provides a CNC machine tool clamping device with good fixing effect, including a base 1, a slide groove 2 is opened at the top of the base 1, a lateral moving component is arranged inside the slide groove 2, a fixed plate 3 is fixedly connected to one side of the top of the base 1, a moving plate 4 is slidably clamped on the side of the top of the base 1 away from the fixed plate 3, the tops of the fixed plate 3 and the moving plate 4 are both fixedly connected with symmetrically distributed vertical rods 5, a height adjustment component is arranged between the corresponding two vertical rods 5, and a clamping component is arranged at the top of the base 1 and between the fixed plate 3 and the moving plate 4.

[0021] The lateral movement assembly includes a threaded rod 14, which is rotatably connected to the inside of the slide groove 2. The outer side of the threaded rod 14 is threadedly connected to a moving block 15, and the moving block 15 is slidably engaged in the slide groove 2. The top end of the moving block 15 is fixedly connected to the bottom end of the moving plate 4, and one end of the slide groove 2 extends to the outside of the base 1 and is fixedly connected to a knob 16.

[0022] By adopting the above technical solution, by rotating the knob 16, the threaded rod 14 is driven to rotate, and at the same time the moving block 15 and the moving plate 4 are driven to move to one side of the fixed plate 3 to clamp the workpiece horizontally.

[0023] The height adjustment assembly includes an electric telescopic rod 7 , which is fixedly installed between two corresponding vertical rods 5 . A slide plate 6 is slidably connected between the two vertical rods 5 , and a piston rod of the electric telescopic rod 7 is fixedly connected to the slide plate 6 .

[0024] By adopting the above technical solution, the slide plate 6 is pushed to move vertically along the inner side of the vertical rod 5 by extending and retracting the piston rod of the electric telescopic rod 7, so as to adjust the height of the workpiece according to the processing requirements.

[0025] The clamping assembly includes a crossbeam 8, which is rotatably connected to one side of the skateboard 6. A plate groove 9 is provided on the side of the crossbeam 8 away from the skateboard 6. A bidirectional screw rod 10 is rotatably connected inside the plate groove 9. The outer side of the bidirectional screw rod 10 is threadedly connected to symmetrically distributed clamping plates 11. A servo motor 13 is fixedly installed on one side of the crossbeam 8. The driving end of the servo motor 13 is fixedly connected to the bidirectional screw rod 10. A stepper motor 19 is fixedly installed on the side of the skateboard 6 away from the crossbeam 8. The driving end of the stepper motor 19 is fixedly connected to the rotating shaft of the crossbeam 8. A positioning plate 17 is rotatably connected to one side of the other skateboard 6.

[0026] By adopting the above technical solution, the workpiece is placed between the two clamps 11, and the bidirectional screw 10 is driven to rotate by the servo motor 13, while the clamp 11 is driven to move to one side of the workpiece. The workpiece is clamped by the clamp 11, forming a clamping direction different from the lateral clamping, thereby improving the stability of the clamping.

[0027] The opposite side of the clamping plate 11 and the side of the positioning plate 17 are both provided with rubber pads 12 .

[0028] By adopting the above technical solution and providing the rubber pad 12, it is convenient to flexibly clamp the workpiece.

[0029] The outer sides of the rotation axes of the positioning plate 17 and the crossbeam 8 are movably sleeved with bearings 18 , and the bearings 18 are fixedly installed in the slide plate 6 .

[0030] By adopting the above technical solution and providing the bearing 18 , it is convenient to better rotate the cross beam 8 and the positioning plate 17 .

[0031] Working principle: When clamping a workpiece, place the workpiece between the two clamping plates 11, and use the servo motor 13 to drive the bidirectional screw 10 to rotate, and at the same time drive the clamping plate 11 to move to one side of the workpiece, and use the clamping plate 11 to clamp the workpiece, and then by turning the knob 16, drive the threaded rod 14 to rotate, and at the same time drive the moving block 15 and the moving plate 4 to move to one side of the fixed plate 3, and clamp the workpiece horizontally, forming clamping in different directions, thereby improving the stability of clamping;

[0032] During the processing, the slide plate 6 is pushed to move vertically along the inner side of the vertical rod 5 by extending and retracting the piston rod of the electric telescopic rod 7, so as to adjust the height of the workpiece according to the processing requirements, and the crossbeam 8 can be driven to rotate by the stepper motor 19, thereby driving the workpiece to rotate and processing different positions of the workpiece.

[0033] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A CNC machine tool clamping device with good fixing effect, comprising a base (1), characterized in that: The top of the base (1) is provided with a slide groove (2), a lateral moving component is arranged inside the slide groove (2), a fixed plate (3) is fixedly connected to one side of the top of the base (1), a moving plate (4) is slidably engaged with the side of the top of the base (1) away from the fixed plate (3), the tops of the fixed plate (3) and the moving plate (4) are both fixedly connected with symmetrically distributed vertical rods (5), a height adjustment component is arranged between the corresponding two vertical rods (5), and a clamping component is arranged at the top of the base (1) and between the fixed plate (3) and the moving plate (4).

2. A CNC machine tool clamping device with good fixing effect as claimed in claim 1, characterized in that: The lateral movement assembly comprises a threaded rod (14), the threaded rod (14) is rotatably connected to the inside of the slide groove (2), the outer side of the threaded rod (14) is threadedly connected to a moving block (15), the moving block (15) is slidably engaged in the slide groove (2), the top end of the moving block (15) is fixedly connected to the bottom end of the moving plate (4), and one end of the slide groove (2) extends to the outside of the base (1) and is fixedly connected to a knob (16).

3. A CNC machine tool clamping device with good fixing effect as claimed in claim 1, characterized in that: The height adjustment assembly comprises an electric telescopic rod (7), wherein the electric telescopic rod (7) is fixedly installed between two corresponding vertical rods (5), a slide plate (6) is slidably connected between the two vertical rods (5), and a piston rod of the electric telescopic rod (7) is fixedly connected to the slide plate (6).

4. A CNC machine tool clamping device with good fixing effect as claimed in claim 1, characterized in that: The clamping assembly comprises a crossbeam (8), wherein the crossbeam (8) is rotatably connected to one side of a slide plate (6), a plate groove (9) is provided on the side of the crossbeam (8) away from the slide plate (6), a bidirectional screw rod (10) is rotatably connected inside the plate groove (9), and the outer side of the bidirectional screw rod (10) is threadedly connected to symmetrically distributed clamping plates (11), a servo motor (13) is fixedly installed on one side of the crossbeam (8), and the driving end of the servo motor (13) is fixedly connected to the bidirectional screw rod (10), a stepping motor (19) is fixedly installed on the side of the slide plate (6) away from the crossbeam (8), and the driving end of the stepping motor (19) is fixedly connected to the rotating shaft of the crossbeam (8), and a positioning plate (17) is rotatably connected to the other side of the slide plate (6).

5. A CNC machine tool clamping device with good fixing effect as claimed in claim 4, characterized in that: A rubber pad (12) is provided on one side opposite to the clamping plate (11) and one side of the positioning plate (17).

6. A CNC machine tool clamping device with good fixing effect as claimed in claim 4, characterized in that: The outer sides of the rotation axes of the positioning plate (17) and the crossbeam (8) are movably sleeved with bearings (18), and the bearings (18) are fixedly installed in the slide plate (6).

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