An automatic clamping device for CNC machining center
By designing an automatic clamping device for CNC machining center, the mating of cylinders, discs, transmission rods, sliders, limit disks and clamps can be used to achieve accurate fixation of the workpiece. The mating problems of limit disk rotation and clamping table movement are solved through the coordination of motors, gears, racks, prime movers, driven wheels, belts and screws, and the problem of limit disk rotation and clamping table movement is improved, the machining accuracy and stability are protected, and the integrity of the workpiece is protected.
Patent Information
- Application Number
- CN202421343772.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-13
- Publication Date
- 2025-04-11
- Estimated Expiration
- 2034-06-13
AI Technical Summary
Existing automatic clamping equipment may exert uneven forces when clamping the workpiece, causing the workpiece to be deformed or damaged, and may easily lead to inaccurate positioning or dislocation of the workpiece due to the size and shape of the workpiece.
An automatic clamping device for CNC machining center is designed to achieve accurate fixation of the workpiece through the coordination between cylinders, discs, transmission rods, sliders, limit discs and clamps. In addition, the rotation of the limit disc and the movement of the clamping table are achieved through the coordination of the motor, gears, racks, prime wheels, driven wheels, belts and screws.
The equipment can fix the workpiece more accurately, improve the accuracy and stability of processing, reduce the deformation risk caused by uneven stress on the workpiece, protect the integrity and quality of the workpiece, and solve the limitations of limit disc rotation and clamping table movement, and improve the practicality of the equipment.
Smart Images
Figure CN222740899U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of mechanical manufacturing equipment, in particular to an automatic clamping device used in a numerical control machining center. Background Art
[0002] With the transformation of the manufacturing industry towards high efficiency, precision and automation, the traditional manual clamping method can no longer meet the needs of modern production. Manual clamping has problems such as complex operation and low production efficiency. In order to solve these problems, automatic clamping equipment came into being, which can achieve fast, accurate and stable clamping of workpieces.
[0003] Existing automatic clamping equipment usually consists of a fixture base, a fixture, a clamping means, a positioning element, etc. The fixture base provides a stable working platform. The clamping means is a component used to fix the workpiece, and its types include clamping pliers, pneumatic clamps, hydraulic clamps or vacuum suction cups, etc. When clamping the workpiece, first place the workpiece to be processed on the fixture, and adjust the clamping means of the fixture according to the shape and size of the workpiece to ensure that the workpiece can be clamped and remain stable.
[0004] However, existing automatic clamping equipment often relies on a few positioning points to clamp the workpiece, which may apply uneven force when clamping the workpiece, causing deformation or damage to the workpiece. During processing, it is easy to cause inaccurate positioning or workpiece displacement due to uneven distribution of workpiece size, shape or clamping force. Utility Model Content
[0005] In order to make up for the above shortcomings, the utility model provides an automatic clamping device for a CNC machining center, aiming to improve the problem that the existing automatic clamping device may apply uneven force when clamping the workpiece, causing deformation or damage to the workpiece, and is prone to inaccurate positioning or workpiece displacement due to the size and shape of the workpiece.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automatic clamping device for a CNC machining center, comprising a clamping table, a rotating block is rotatably connected inside the clamping table, a cylinder is fixedly connected inside the rotating block, a disc is fixedly connected to the output end of the cylinder, a transmission rod is rotatably connected to the top of the disc, a slider is rotatably connected to the top of the transmission rod, a limiting disk is rotatably connected inside the clamping table, a slide groove is provided inside the limiting disk, an outer wall of the slider is slidably connected to the inside of the slide groove, a clamping block is fixedly connected to the top of the slider, and a transmission assembly is provided on the outer wall of the rotating block.
[0007] Furthermore, the transmission assembly includes a rack and a gear, the gear is meshed with the rack, and one side of the outer wall of the rack is fixedly connected to the outer wall of the rotating block.
[0008] Furthermore, a motor 1 is fixedly connected inside the clamping platform, and an output end of the motor 1 is fixedly connected to the bottom of the gear.
[0009] Furthermore, both sides of the outer wall of the clamping platform are slidably connected to a base, a second slide groove is provided inside the base, and both sides of the outer wall of the clamping platform are slidably connected inside the second slide groove.
[0010] Furthermore, a second motor is fixedly connected inside the base, and a prime mover wheel is fixedly connected to an output end of the second motor.
[0011] Furthermore, a driven wheel is rotatably connected inside the base, a hole groove is opened inside the base, and the outer wall of the driving wheel and the driven wheel both rotate inside the hole groove.
[0012] Furthermore, a belt is provided between the driving wheel and the driven wheel, and a screw rod is fixedly connected to one side of the outer wall of the driving wheel and the driven wheel, and the outer wall of the screw rod is threadedly connected to the inside of the clamping platform.
[0013] Furthermore, a sliding rod is fixedly connected inside the clamping platform, and an outer wall of the sliding rod is slidably connected inside the clamping platform.
[0014] The utility model has the following beneficial effects:
[0015] 1. In the utility model, the workpiece can be accurately fixed through the cooperation between the cylinder, the disc, the transmission rod, the slider, the limit plate and the clamping block. The existing automatic clamping equipment may apply uneven force when clamping the workpiece, causing deformation or damage to the workpiece, and is prone to inaccurate positioning or workpiece displacement due to the size and shape of the workpiece, thereby improving the stability of processing.
[0016] 2. In the utility model, the effect of rotating the limit plate and moving the clamping table is achieved through the cooperation between the motor 1, the gear, the rack, the motor 2, the prime mover, the driven wheel, the belt and the screw rod, which solves the problems that when processing the workpiece, the limit plate cannot rotate, resulting in the need to adjust the angle of the workpiece and then re-clamp it, and the clamping table cannot move, resulting in limitations in the processing of parts, thereby improving practicality. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 This is a schematic diagram of the main structure of an automatic clamping device for a CNC machining center proposed by the utility model;
[0018] Figure 2 A schematic cross-sectional view of a clamping table of an automatic clamping device for a CNC machining center proposed by the utility model;
[0019] Figure 3The utility model is a schematic cross-sectional view of a base of an automatic clamping device for a CNC machining center.
[0020] Legend:
[0021] 1. Clamping table; 2. Rotating block; 3. Cylinder; 4. Disc; 5. Transmission rod; 6. Slider; 7. Limiting plate; 8. Slideway 1; 9. Clamping block; 10. Rack; 11. Motor 1; 12. Gear; 13. Base; 14. Motor 2; 15. Driving wheel; 16. Driven wheel; 17. Belt; 18. Screw; 19. Sliding rod; 20. Slideway 2; 21. Hole groove. DETAILED DESCRIPTION
[0022] 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.
[0023] Reference Figure 1 - Figure 3 The utility model provides an embodiment: an automatic clamping device for a CNC machining center, comprising a clamping table 1, a rotating block 2 is rotatably connected inside the clamping table 1, a cylinder 3 is fixedly connected inside the rotating block 2, a disc 4 is fixedly connected to the output end of the cylinder 3, a transmission rod 5 is rotatably connected to the top of the disc 4, a slider 6 is rotatably connected to the top of the transmission rod 5, a limiting disk 7 is rotatably connected inside the clamping table 1, a slide groove 8 is provided inside the limiting disk 7, an outer wall of the slider 6 is slidably connected inside the slide groove 8, a clamping block 9 is fixedly connected to the top of the slider 6, and a transmission component is provided on the outer wall of the rotating block 2;
[0024] Specifically, when using the automatic clamping device for a CNC machining center, first place the workpiece on the limit plate 7, then start the cylinder 3, the cylinder 3 drives the disc 4 to move downward, and then the disc 4 drives the four slide blocks 6 to move respectively through the four transmission rods 5, so that the four clamping blocks 9 clamp the workpiece. The mechanism can more accurately fix the workpiece through the evenly distributed positioning points of the four clamping blocks 9, improve the machining accuracy and stability, and evenly distribute the clamping force through the four clamping blocks 9, thereby reducing the risk of deformation caused by uneven force on the workpiece and protecting the integrity and quality of the workpiece.
[0025] Reference Figure 1 - Figure 3 The transmission assembly includes a rack 10 and a gear 12, the gear 12 is meshed with the rack 10, and one side of the outer wall of the rack 10 is fixedly connected to the outer wall of the rotating block 2;
[0026] Specifically, when the automatic clamping device for a CNC machining center is used and the limit plate 7 needs to be rotated, the motor 11 is started first, and the motor 11 drives the gear 12 to rotate. Then, through the cooperation of the gear 12 and the rack 10, the rotating block 2 can drive the limit plate 7 to rotate.
[0027] Reference Figure 1 - Figure 3 A motor 11 is fixedly connected inside the clamping platform 1, and the output end of the motor 11 is fixedly connected to the bottom of the gear 12. Both sides of the outer wall of the clamping platform 1 are slidably connected with a base 13, and a slide groove 20 is opened inside the base 13. Both sides of the outer wall of the clamping platform 1 are slidably connected inside the slide groove 20. A motor 14 is fixedly connected inside the base 13, and a prime mover 15 is fixedly connected to the output end of the motor 14. A driven wheel 16 is rotatably connected inside the base 13. A hole groove 21 is opened inside the base 13. The outer walls of the prime mover 15 and the driven wheel 16 rotate inside the hole groove 21. A belt 17 is arranged between the prime mover 15 and the driven wheel 16. One side of the outer wall of the prime mover 15 and the driven wheel 16 is fixedly connected with a screw rod 18, and the outer wall of the screw rod 18 is threadedly connected to the inside of the clamping platform 1. A slide rod 19 is fixedly connected inside the clamping platform 1, and the outer wall of the slide rod 19 is slidably connected to the inside of the clamping platform 1;
[0028] Specifically, when the automatic clamping device for a CNC machining center is used, when the clamping table 1 needs to be moved, the motor 2 14 is started first, and the motor 2 14 drives the driving wheel 15 to rotate, and the driving wheel 15 drives the driven wheel 16 to rotate through the belt 17, and then the driving wheel 15 and the driven wheel 16 respectively drive the screw 18 to rotate, thereby moving the clamping table 1 to facilitate processing of other positions of the workpiece.
[0029] Working principle: When using the automatic clamping device for CNC machining center, first place the workpiece on the limit plate 7, then start the cylinder 3, and then the cylinder 3 drives the disc 4 to move downward, and then the disc 4 drives the transmission rod 5 to move, and the movement of the transmission rod 5 drives the slider 6 to move toward the center of the limit plate 7, that is, the workpiece is clamped. When the limit plate 7 needs to be rotated during processing of the workpiece, first start the motor 11, and then the motor 11 drives the gear 12 to rotate, and then through the cooperation of the gear 12 and the rack 10, drive the rotating block 2 to rotate, so that the workpiece rotates, when it is necessary to move the clamping table 1, start the motor 2 14, and then the motor 2 14 drives the driving wheel 15 to rotate, and the driving wheel 15 drives the driven wheel 16 to rotate through the belt 17. When the driving wheel 15 and the driven wheel 16 rotate, they respectively drive the screw 18 to rotate, so that the clamping table 1 moves.
[0030] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. An automatic clamping device for a CNC machining center, comprising a clamping table (1), characterized in that: The clamping platform (1) is rotatably connected to a rotating block (2), the rotating block (2) is fixedly connected to a cylinder (3), the output end of the cylinder (3) is fixedly connected to a disc (4), the top of the disc (4) is rotatably connected to a transmission rod (5), the top of the transmission rod (5) is rotatably connected to a slider (6), the clamping platform (1) is rotatably connected to a limit plate (7), the limit plate (7) is provided with a slide groove (8), the outer wall of the slider (6) is slidably connected to the inside of the slide groove (8), the top of the slider (6) is fixedly connected to a clamping block (9), and the outer wall of the rotating block (2) is provided with a transmission component.
2. The automatic clamping device for a CNC machining center according to claim 1, characterized in that: The transmission assembly comprises a rack (10) and a gear (12), the gear (12) being meshed with the rack (10), and one side of the outer wall of the rack (10) being fixedly connected to the outer wall of the rotating block (2).
3. The automatic clamping device for a CNC machining center according to claim 2, characterized in that: A motor 1 (11) is fixedly connected inside the clamping platform (1), and an output end of the motor 1 (11) is fixedly connected to the bottom of the gear (12).
4. The automatic clamping device for a CNC machining center according to claim 3, characterized in that: Both sides of the outer wall of the clamping platform (1) are slidably connected to a base (13), a second slide groove (20) is provided inside the base (13), and both sides of the outer wall of the clamping platform (1) are slidably connected inside the second slide groove (20).
5. The automatic clamping device for a CNC machining center according to claim 4, characterized in that: A second motor (14) is fixedly connected inside the base (13), and a driving wheel (15) is fixedly connected to the output end of the second motor (14).
6. The automatic clamping device for a CNC machining center according to claim 5, characterized in that: A driven wheel (16) is rotatably connected inside the base (13), a hole groove (21) is provided inside the base (13), and the outer walls of the driving wheel (15) and the driven wheel (16) both rotate inside the hole groove (21).
7. The automatic clamping device for a CNC machining center according to claim 6, characterized in that: A belt (17) is provided between the driving wheel (15) and the driven wheel (16); a screw rod (18) is fixedly connected to one side of the outer wall of the driving wheel (15) and the driven wheel (16); and the outer wall of the screw rod (18) is threadedly connected to the inside of the clamping platform (1).
8. The automatic clamping device for a CNC machining center according to claim 7, characterized in that: A sliding rod (19) is fixedly connected inside the clamping platform (1), and an outer wall of the sliding rod (19) is slidably connected inside the clamping platform (1).