Clamping device and method for CNC machine tool machining center

Abstract

The invention discloses a clamping device and method for a CNC machine tool machining center, and provides the following scheme aiming at the problems that a clamp of an existing device cannot move and the machining efficiency is affected: the clamping device comprises a CNC machine tool clamp seat, a clamp box, a clamping mechanism, a clamping mechanism, a clamping mechanism and a clamping mechanism, the rotating shaft is rotationally connected into the clamp box in a sleeved mode, and the rotating shaft is in key connection with a CNC machine tool clamp base; the supporting assembly is connected to the top of the clamp box through bolts; the clamping assembly is rotationally connected into the supporting assembly in a sleeving manner; the two rotating blocks are rotationally connected into the supporting assembly in a sleeved mode, a workpiece on the inner side of the clamping assembly can be driven to rotate through transmission of the structure, the workpiece can also be driven to rotate in situ, machining of all positions of the workpiece is facilitated, machining flexibility is enhanced, the top of the clamp box can be cleaned through the cleaning mechanism, and machining efficiency is improved. And cleanliness of the clamp box is guaranteed.

Description

Technical Field

[0001] The present invention relates to the technical field of clamps, and in particular to a clamping device and method for a CNC machine tool processing center. Background Art

[0002] The Chinese patent document with application number 202110691449.7 discloses a clamping device for a CNC machining center, comprising a container; a workpiece fixing agent filled inside the container, used to fix the workpiece when the workpiece fixing agent melts and solidifies according to the temperature; the clamping device also includes a positioning module that penetrates the container and partially extends into the interior of the container, used to restrict the workpiece to maintain a fixed posture, and the positioning module is slidably connected to the container and sealed; a driving device arranged outside the container, used to drive the positioning module to move relative to the workpiece; a first thermostat, used to adjust the temperature of the positioning module so that the temperature of the positioning module is higher than the melting temperature of the workpiece fixing agent or lower than the solidification temperature of the workpiece fixing agent. This application improves the complex and cumbersome work of fixing workpieces using the polyethylene glycol melting method into a simple and convenient automated work through automated equipment, greatly improving production efficiency.

[0003] However, the clamping device for the CNC machining center also has some problems. For example, the workpiece cannot be moved after being clamped. When other positions of the workpiece need to be processed, the clamp can only be moved as a whole or the workpiece can be removed and re-fixed, which makes the processing of the workpiece not flexible enough. Summary of the invention

[0004] Based on the technical problems existing in the background technology, the present invention proposes a clamping device and method for a CNC machine tool processing center.

[0005] The present invention provides a clamping device for a CNC machine tool processing center, comprising:

[0006] CNC machine fixture holder:

[0007] A fixture box, the fixture box is rotatably connected to the top of the CNC machine tool fixture seat;

[0008] A rotating shaft, the rotating shaft is rotatably sleeved inside the fixture box, and the rotating shaft is key-connected with the fixture seat of the CNC machine tool;

[0009] A support assembly, the support assembly being bolted to the top of the fixture box;

[0010] A clamping assembly, the clamping assembly is rotatably sleeved inside the supporting assembly;

[0011] Rotating blocks, two rotating blocks are provided, and both rotating blocks are rotatably sleeved inside the supporting assembly;

[0012] A rotating mechanism, the rotating mechanism is connected with the rotating block by bolts, and the rotating mechanism is used to drive the clamping assembly to rotate;

[0013] A driving mechanism, the driving mechanism is key-connected to the rotating shaft, and the driving mechanism is used to drive the fixture box to rotate;

[0014] The cleaning mechanism is connected to the rotating shaft. Through the transmission of the structure, the workpiece inside the clamping assembly can be driven to rotate, and the workpiece can also be driven to rotate in situ, so as to facilitate processing at various positions of the workpiece and enhance processing flexibility. The cleaning mechanism can clean the top of the fixture box to ensure the cleanliness of the fixture box.

[0015] Preferably, the support assembly includes a support seat, a limit cover and a cable port. There are two support seats, two limit covers and two cable ports. The two sides of the top of the fixture box are respectively connected to the bottom bolts of the two support seats, the top of the support seat is threadedly connected to the bottom of the limit cover, the cable port is opened at the top of the limit cover, the rotating block is rotatably arranged with the support seat, and a cylindrical cavity is formed between the top of the support seat and the bottom of the limit cover for accommodating the clamping assembly, and a bearing is built in, and the rotating block is rotatably arranged with the support seat through the bearing.

[0016] Preferably, the clamping assembly includes a hydraulic cylinder, a clamping plate and a buffer pad. The hydraulic cylinder, the clamping plate and the buffer pad are each provided with two. The output end of the hydraulic cylinder is connected to the side bolts of the clamping plate, the clamping plate is bonded to the buffer pad, the surface of the hydraulic cylinder is rotatably sleeved with the top of the support seat, the hydraulic cylinder is bolted to the rotating block, and the hydraulic cylinder can select an electric hydraulic push rod, and its cable is connected to the hydraulic cylinder through a cable port, so that the hydraulic cylinder can drive the clamping plate to move, so that the clamping operation can be performed.

[0017] Preferably, the rotating mechanism includes a servo motor, a main sprocket, a chain, a secondary sprocket, a rotating shaft, a support block and a rotating assembly. The top of the servo motor is bolted to the top inside the fixture box, the output end of the servo motor is keyed to the axis center of the main sprocket, the teeth of the main sprocket are meshed with the top inside the chain, the bottom end of the chain is meshed with the teeth of the secondary sprocket, the axis center of the secondary sprocket is keyed to the right end of the rotating shaft surface, two support blocks are provided, both support blocks are rotatably sleeved with the rotating shaft, the bottom of the support block is bolted to the bottom end inside the fixture box, two rotating assemblies are provided, and both ends of the rotating shaft are respectively connected to the two rotating assemblies, the power supply of the servo motor is turned on, the servo motor is controlled by a servo system, the servo motor can drive the main sprocket to rotate, the main sprocket can drive the chain to rotate, the chain can drive the secondary sprocket to rotate, the secondary sprocket can drive the rotating shaft to rotate, and the rotating shaft can be rotatably arranged with the bearing and the support block to ensure the stability of the rotation of the rotating shaft.

[0018] Preferably, the rotating assembly includes a main bevel gear, a secondary bevel gear, a worm, a worm wheel and a rotating rod, the main bevel gear is key-connected to the rotating shaft, the teeth of the main bevel gear are meshed with the teeth of the secondary bevel gear, the axis of the secondary bevel gear is key-connected to the bottom end of the worm surface, the top and bottom ends of the worm are both rotatably sleeved with the inside of the fixture box, the top end of the worm surface is meshed with the teeth of the worm wheel, the axis of the worm wheel is key-connected to the surface of the rotating rod, the rotating rod is rotatably sleeved with the fixture box, and one end of the rotating rod away from the worm wheel is key-connected to the side face of the rotating block, the rotating shaft can drive the two main bevel gears to rotate, the main bevel gear can drive the secondary bevel gear to rotate, the two secondary bevel gears rotate in opposite directions, the secondary bevel gear can drive the worm to rotate, the worm can drive the worm wheel to rotate, the teeth of the two worms are in opposite directions, the teeth of the two worm wheels are in opposite directions, so that the rotation directions of the two worm wheels are the same, the worm wheel can drive the rotating rod to rotate, the rotating rod is rotatably arranged with the fixture box through a bearing, the rotating rod can drive the rotating block to rotate, and the rotating block can drive the clamping plate to rotate through a hydraulic cylinder.

[0019] Preferably, the driving mechanism includes an electric push rod, a transmission bar, a guide frame, a sliding frame and a driving assembly. The top of the electric push rod is connected to the top bolt inside the fixture box, the output end of the electric push rod is connected to the right bolt of the transmission bar, the rear side of the transmission bar is slidably connected to the inside of the guide frame, the top of the guide frame is connected to the top bolt inside the fixture box, the rear side of the sliding frame is hinged to the surface of the transmission bar, the sliding frame is slidably connected to the driving assembly, and when the power of the electric push rod is turned on, the electric push rod can drive the transmission bar to move to the left, the transmission bar is slidably arranged with the guide frame through the slide rail, and the transmission bar can drive the sliding frame to move.

[0020] Preferably, the driving assembly includes a fan-shaped toothed disk, a transmission gear, an articulated rod, a transmission rod and a transmission assembly, the interior of the sliding frame is slidably connected to the top end of the rear side of the fan-shaped toothed disk, the axis of the fan-shaped toothed disk is rotatably connected to the interior of the fixture box, the teeth of the fan-shaped toothed disk are meshed with the teeth of the transmission gear, the axis of the transmission gear is rotatably connected to the interior of the fixture box, the bottom end of the transmission gear surface is hinged to the right end of the articulated rod, the left end of the articulated rod is hinged to the surface of the transmission rod, the bottom end of the transmission rod is hinged to the bottom end of the inside of the fixture box, the transmission rod is hinged to the transmission assembly, the sliding frame slides on the rear side of the fan-shaped toothed disk and drives the fan-shaped toothed disk to rotate counterclockwise, the fan-shaped toothed disk is rotated with the fixture box through a bearing, the fan-shaped toothed disk can drive the transmission gear to rotate clockwise, the transmission gear is rotated with the fixture box through a bearing, the surface of the transmission gear and the right end of the articulated rod are eccentrically structured, the transmission gear can drive the articulated rod to move left, the articulated rod can drive the transmission rod to rotate, and the transmission rod is rotated with the fixture box through a bearing.

[0021] Preferably, the transmission assembly includes a slider, a rack, a limit frame and a pinion, the top of the transmission rod is hinged to the surface of the slider, the rear side of the slider is slidably connected to the slide groove on the right side of the rack surface, the rear side of the rack is slidably connected to the inside of the limit frame, the top of the limit frame is connected to the top bolt inside the fixture box, the teeth of the rack are meshed with the teeth of the pinion, the axis of the pinion is connected to the top key of the surface of the rotating shaft, the transmission rod can drive the slider to move to the left, the slider can slide in the slide groove of the rack and drive the rack to move to the left, the rack is slidably arranged with the limit frame through the slide rail, the rack can drive the pinion to rotate, and the pinion can drive the rotating shaft to rotate.

[0022] Preferably, the cleaning mechanism comprises a driving wheel, a transmission belt, a passive wheel and a cleaning assembly, the surface of the rotating shaft is key-connected with the axis center of the driving wheel, the interior of the driving wheel is transmission-connected with the right side of the transmission belt, the left end of the transmission belt is transmission-connected with the internal transmission of the passive wheel, the passive wheel is key-connected with the cleaning assembly, the rotating shaft can drive the driving wheel to rotate, the driving wheel can drive the transmission belt to rotate, and the transmission belt can drive the passive wheel to rotate, the cleaning assembly comprises a connecting shaft, a connecting sleeve, a cleaning plate and a cleaning brush, the bottom end of the connecting shaft is key-connected with the axis center of the passive wheel, the surface of the connecting shaft is rotationally sleeved inside the fixture box, the top end of the connecting shaft extends to the top of the fixture box and is connected with the internal key of the connecting sleeve, the right side of the connecting shaft is bolted to the left side of the cleaning plate, the bottom of the cleaning plate is clamped with the top of the cleaning brush, the passive wheel can drive the connecting shaft to rotate, the connecting shaft is rotationally arranged with the fixture box through a bearing, the connecting shaft can drive the connecting sleeve to rotate, the connecting sleeve can drive the cleaning plate to rotate, the cleaning plate can drive the cleaning brush to rotate, and the cleaning brush can clean the top of the fixture box.

[0023] A clamping method for a clamping device for a CNC machine tool processing center comprises the following steps:

[0024] S1: The clamping device is installed inside the CNC machine tool processing center and connected to the power cord and controller;

[0025] S2: Place the workpiece to be processed on the top of the fixture box and fix it using the clamping assembly. The rotating mechanism can drive the workpiece to rotate;

[0026] S3: The driving mechanism can drive the fixture box to rotate through the rotating shaft, and the fixture box can drive the workpiece to rotate;

[0027] S4: The rotating shaft can clean the top of the fixture box through the cleaning mechanism.

[0028] The beneficial effects of the present invention are:

[0029] 1. It can drive the rotating block to rotate, and the rotating block can drive the clamping assembly to rotate. The clamping assembly can drive the workpiece fixed inside to rotate, thereby changing the position of the workpiece;

[0030] 2. The transmission of the structure can drive the rotating shaft to rotate, and the rotating shaft can drive the fixture box to rotate, so that the workpiece can be driven to move;

[0031] The transmission of the structure can drive the workpiece inside the clamping assembly to rotate, and can also drive the workpiece to rotate in situ, which is convenient for processing various positions of the workpiece and enhances the flexibility of processing. The cleaning mechanism can clean the top of the fixture box to ensure the cleanliness of the fixture box. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 This is a schematic diagram of the main structure of a clamping device for a CNC machine tool processing center proposed by the present invention;

[0033] Figure 2 A three-dimensional schematic diagram of a support assembly of a clamping device for a CNC machine tool processing center proposed by the present invention;

[0034] Figure 3 A three-dimensional schematic diagram of a clamping assembly of a clamping device for a CNC machine tool processing center proposed by the present invention;

[0035] Figure 4 A three-dimensional schematic diagram of a rotating mechanism of a clamping device for a CNC machine tool processing center proposed by the present invention;

[0036] Figure 5 A rear view schematic diagram of a worm gear of a clamping device for a CNC machine tool processing center proposed by the present invention;

[0037] Figure 6 A three-dimensional schematic diagram of an electric push rod of a clamping device for a CNC machine tool processing center proposed by the present invention;

[0038] Figure 7 A schematic diagram of a rack of a clamping device for a CNC machine tool processing center proposed by the present invention;

[0039] Figure 8 A three-dimensional schematic diagram of a pinion gear of a clamping device for a CNC machine tool processing center proposed by the present invention;

[0040] Fig. 9 A rear view schematic diagram of a cleaning plate of a clamping device for a CNC machine tool processing center proposed by the present invention;

[0041] Fig.10 The present invention is a flowchart of a method for a clamping device for a CNC machine tool processing center.

[0042] In the figure: 1. CNC machine tool fixture seat; 2. fixture box; 3. support seat; 4. limit cover; 5. cable port; 6. servo motor; 7. main sprocket; 8. chain; 9. secondary sprocket; 10. rotating shaft; 11. supporting block; 12. main bevel gear; 13. secondary bevel gear; 14. worm; 15. worm wheel; 16. rotating rod; 17. rotating block; 18. hydraulic cylinder; 19. clamping plate; 20. buffer pad; 2 1. Electric push rod; 22. Transmission bar; 23. Guide frame; 24. Slide frame; 25. Fan-shaped toothed disc; 26. Transmission gear; 27. Articulated rod; 28. Transmission rod; 29. ​​Slider; 30. Rack; 31. Limit frame; 32. Pinion; 33. Driving wheel; 34. Transmission belt; 35. Passive wheel; 36. Connecting shaft; 37. Connecting sleeve; 38. Cleaning plate; 39. Cleaning brush; 40. Rotating shaft. DETAILED DESCRIPTION

[0043] The present invention will be further explained below in conjunction with specific embodiments.

[0044] Example

[0045] refer to Figure 1-10 In this embodiment, a clamping device for a CNC machine tool processing center is proposed, comprising:

[0046] CNC machine fixture seat 1:

[0047] A fixture box 2, the fixture box 2 is rotatably connected to the top of the CNC machine tool fixture seat 1;

[0048] A rotating shaft 40, the rotating shaft 40 is rotatably sleeved inside the fixture box 2, and the rotating shaft 40 is key-connected with the CNC machine tool fixture seat 1;

[0049] A support assembly, the support assembly is bolted to the top of the fixture box 2;

[0050] A clamping assembly, the clamping assembly is rotatably sleeved inside the supporting assembly;

[0051] Rotating block 17, two rotating blocks 17 are provided, and both rotating blocks 17 are rotatably sleeved inside the supporting assembly;

[0052] A rotating mechanism, the rotating mechanism is bolted to the rotating block 17, and the rotating mechanism is used to drive the clamping assembly to rotate;

[0053] A driving mechanism, the driving mechanism is key-connected to the rotating shaft 40, and the driving mechanism is used to drive the fixture box 2 to rotate;

[0054] The cleaning mechanism is connected to the rotating shaft 40. The transmission of the structure can drive the workpiece inside the clamping assembly to rotate, and can also drive the workpiece to rotate in situ, so as to facilitate the processing of various positions of the workpiece and enhance the flexibility of processing. The cleaning mechanism can clean the top of the fixture box 2 to ensure the cleanliness of the fixture box 2.

[0055] refer to Figure 2 The support assembly includes a support seat 3, a limit cover 4 and a cable port 5. The support seat 3, the limit cover 4 and the cable port 5 are each provided with two. The two sides of the top of the fixture box 2 are respectively connected with the bottom bolts of the two support seats 3. The top of the support seat 3 is threadedly connected with the bottom of the limit cover 4. The cable port 5 is opened at the top of the limit cover 4. The rotating block 17 is rotatably arranged with the support seat 3. A cylindrical cavity is formed between the top of the support seat 3 and the bottom of the limit cover 4 for accommodating the clamping assembly, and a bearing is built in. The rotating block 17 is rotatably arranged with the support seat 3 through the bearing.

[0056] refer to Figure 3 The clamping assembly includes a hydraulic cylinder 18, a clamping plate 19 and a buffer pad 20. The hydraulic cylinder 18, the clamping plate 19 and the buffer pad 20 are each provided with two. The output end of the hydraulic cylinder 18 is connected to the side bolt of the clamping plate 19, the clamping plate 19 is bonded to the buffer pad 20, the surface of the hydraulic cylinder 18 is rotatably sleeved with the top of the support seat 3, the hydraulic cylinder 18 is bolted to the rotating block 17, and the hydraulic cylinder 18 can select an electric hydraulic push rod, and its cable is connected to the hydraulic cylinder 18 through the cable port 5, so that the hydraulic cylinder 18 can drive the clamping plate 19 to move, so that the clamping operation can be performed.

[0057] refer to Figure 4 The rotating mechanism includes a servo motor 6, a main sprocket 7, a chain 8, a secondary sprocket 9, a rotating shaft 10, a support block 11 and a rotating assembly. The top of the servo motor 6 is bolted to the top of the fixture box 2, the output end of the servo motor 6 is keyed to the axis of the main sprocket 7, the teeth of the main sprocket 7 are meshed with the top of the chain 8, the bottom of the chain 8 is meshed with the teeth of the secondary sprocket 9, the axis of the secondary sprocket 9 is keyed to the right end of the surface of the rotating shaft 10, and two support blocks 11 are provided, and both support blocks 11 rotate with the rotating shaft 10 The bottom of the support block 11 is connected with the bottom bolt inside the fixture box 2, two rotating components are provided, and the two ends of the rotating shaft 10 are respectively connected with the two rotating components, and the power of the servo motor 6 is turned on. The servo motor 6 is controlled by a servo system. The servo motor 6 can drive the main sprocket 7 to rotate, the main sprocket 7 can drive the chain 8 to rotate, the chain 8 can drive the secondary sprocket 9 to rotate, and the secondary sprocket 9 can drive the rotating shaft 10 to rotate. The rotating shaft 10 can be rotated through the bearing and the support block 11 to ensure the stability of the rotation of the rotating shaft 10.

[0058] refer to Figure 5The rotating assembly includes a main bevel gear 12, a secondary bevel gear 13, a worm 14, a worm wheel 15 and a rotating rod 16. The main bevel gear 12 is key-connected with the rotating shaft 10. The teeth of the main bevel gear 12 are meshed with the teeth of the secondary bevel gear 13. The axis of the secondary bevel gear 13 is key-connected with the bottom end of the surface of the worm 14. The top and bottom ends of the worm 14 are both rotatably sleeved with the inside of the fixture box 2. The top of the surface of the worm 14 is meshed with the teeth of the worm wheel 15. The axis of the worm wheel 15 is key-connected with the surface of the rotating rod 16. The rotating rod 16 is rotatably sleeved with the fixture box 2. The end of the rotating rod 16 away from the worm wheel 15 is connected to the rotating block 17. The side key connection, the rotating shaft 10 can drive the two main bevel gears 12 to rotate, the main bevel gear 12 can drive the auxiliary bevel gear 13 to rotate, the two auxiliary bevel gears 13 rotate in opposite directions, the auxiliary bevel gear 13 can drive the worm 14 to rotate, the worm 14 can drive the worm wheel 15 to rotate, the teeth of the two worm gears 14 are in opposite directions, the teeth of the two worm wheels 15 are in opposite directions, the worm wheel 15 can drive the rotating rod 16 to rotate, the rotating rod 16 is rotatably arranged with the fixture box 2 through the bearing, the rotating rod 16 can drive the rotating block 17 to rotate, and the rotating block 17 can drive the clamping plate 19 to rotate through the hydraulic cylinder 18.

[0059] refer to Figure 6 The driving mechanism includes an electric push rod 21, a transmission bar 22, a guide frame 23, a slide frame 24 and a driving assembly. The top of the electric push rod 21 is bolted to the top end inside the fixture box 2, and the output end of the electric push rod 21 is bolted to the right side of the transmission bar 22. The rear side of the transmission bar 22 is slidably connected to the inside of the guide frame 23. The top of the guide frame 23 is bolted to the top end inside the fixture box 2. The rear side of the slide frame 24 is hinged to the surface of the transmission bar 22. The slide frame 24 is slidably connected to the driving assembly. When the power of the electric push rod 21 is turned on, the electric push rod 21 can drive the transmission bar 22 to move to the left. The transmission bar 22 is slidably arranged with the guide frame 23 through the slide rail. The transmission bar 22 can drive the slide frame 24 to move, and the slide frame 24 can drive the driving assembly to rotate.

[0060] refer to Figure 7The driving assembly includes a sector toothed disc 25, a transmission gear 26, a hinged rod 27, a transmission rod 28 and a transmission assembly. The interior of the sliding frame 24 is slidably connected to the top end of the rear side of the sector toothed disc 25. The axis of the sector toothed disc 25 is rotatably connected to the interior of the fixture box 2. The teeth of the sector toothed disc 25 are meshed with the teeth of the transmission gear 26. The axis of the transmission gear 26 is rotatably connected to the interior of the fixture box 2. The bottom end of the surface of the transmission gear 26 is hinged to the right end of the hinged rod 27. The left end of the hinged rod 27 is hinged to the surface of the transmission rod 28. The bottom end of the transmission rod 28 is hinged to the bottom end of the inside of the fixture box 2. The transmission rod 28 Hinge-connected to the transmission assembly, the sliding frame 24 slides on the rear side of the sector-shaped toothed disc 25 and drives the sector-shaped toothed disc 25 to rotate counterclockwise. The sector-shaped toothed disc 25 is rotatably arranged with the fixture box 2 through a bearing. The sector-shaped toothed disc 25 can drive the transmission gear 26 to rotate clockwise. The transmission gear 26 is rotatably arranged with the fixture box 2 through a bearing. An eccentric structure is formed between the surface of the transmission gear 26 and the right end of the hinged rod 27. The transmission gear 26 can drive the hinged rod 27 to move leftward. The hinged rod 27 can drive the transmission rod 28 to rotate. The transmission rod 28 is rotatably arranged with the fixture box 2 through a bearing. The transmission rod 28 can drive the transmission assembly to rotate.

[0061] refer to Figure 8 The transmission assembly includes a slider 29, a rack 30, a limit frame 31 and a pinion 32. The top of the transmission rod 28 is hinged to the surface of the slider 29, the rear side of the slider 29 is slidably connected to the slide groove on the right side of the surface of the rack 30, the rear side of the rack 30 is slidably connected to the inside of the limit frame 31, the top of the limit frame 31 is bolted to the top of the fixture box 2, the teeth of the rack 30 are meshed with the teeth of the pinion 32, the axis of the pinion 32 is keyed to the top of the surface of the rotating shaft 40, the transmission rod 28 can drive the slider 29 to move left, the slider 29 can slide in the slide groove of the rack 30 and drive the rack 30 to move left, the rack 30 is slidably arranged with the limit frame 31 through the slide rail, the rack 30 can drive the pinion 32 to rotate, and the pinion 32 can drive the rotating shaft 40 to rotate.

[0062] refer to Fig. 9The cleaning mechanism includes a driving wheel 33, a transmission belt 34, a passive wheel 35 and a cleaning component. The surface of the rotating shaft 40 is key-connected with the axis of the driving wheel 33. The inside of the driving wheel 33 is transmission-connected with the right side of the transmission belt 34. The left end of the transmission belt 34 is transmission-connected with the inside of the passive wheel 35. The passive wheel 35 is key-connected with the cleaning component. The rotating shaft 40 can drive the driving wheel 33 to rotate. The driving wheel 33 can drive the transmission belt 34 to rotate. The transmission belt 34 can drive the passive wheel 35 to rotate. The passive wheel 35 can drive the cleaning component to rotate. The cleaning component includes a connecting shaft 36, a connecting sleeve 37, a cleaning plate 38 and a cleaning brush 39. The connecting shaft 36 The bottom end is key-connected to the axis of the passive wheel 35, the surface of the connecting shaft 36 is rotatably sleeved inside the fixture box 2, the top end of the connecting shaft 36 extends to the top of the fixture box 2 and is connected to the internal key of the connecting sleeve 37, the right side of the connecting shaft 36 is bolted to the left side of the cleaning plate 38, the bottom of the cleaning plate 38 is clamped with the top of the cleaning brush 39, the passive wheel 35 can drive the connecting shaft 36 to rotate, the connecting shaft 36 is rotatably set with the fixture box 2 through a bearing, the connecting shaft 36 can drive the connecting sleeve 37 to rotate, the connecting sleeve 37 can drive the cleaning plate 38 to rotate, the cleaning plate 38 can drive the cleaning brush 39 to rotate, and the cleaning brush 39 can clean the top of the fixture box 2.

[0063] refer to Fig.10 , a clamping method for a clamping device for a CNC machine tool processing center, comprising the following steps:

[0064] S1: The clamping device is installed inside the CNC machine tool processing center and connected to the power cord and controller;

[0065] S2: Place the workpiece to be processed on the top of the fixture box 2 and fix it using the clamping assembly. The rotating mechanism can drive the workpiece to rotate;

[0066] S3: The driving mechanism can drive the fixture box 2 to rotate through the rotating shaft 40, and the fixture box 2 can drive the workpiece to rotate;

[0067] S4: The rotating shaft 40 can clean the top of the fixture box 2 through the cleaning mechanism.

[0068] Working principle: Place the workpiece between the clamping components, turn on the hydraulic power of the hydraulic cylinder 18, the hydraulic cylinder 18 can drive the clamping plate 19 to clamp and fix the workpiece inward, the buffer pad 20 can clamp and fix the workpiece, turn on the power of the servo motor 6, the servo motor 6 is controlled by the servo system, the servo motor 6 can drive the main sprocket 7 to rotate, the main sprocket 7 can drive the chain 8 to rotate, the chain 8 can drive the secondary sprocket 9 to rotate, the secondary sprocket 9 can drive the rotating shaft 10 to rotate, the rotating shaft 10 can be rotated by the bearing and the support block 11 to ensure the stability of the rotation of the rotating shaft 10, the rotating shaft 10 can drive the two main bevel gears 12 to rotate, the main bevel gear 12 can drive the secondary bevel gear 13 to rotate, and the two secondary bevel gears The wheel 13 rotates in the opposite direction, the secondary bevel gear 13 can drive the worm 14 to rotate, the worm 14 can drive the worm wheel 15 to rotate, the teeth of the two worms 14 are in opposite directions, the teeth of the two worm wheels 15 are in opposite directions, the worm wheel 15 can drive the rotating rod 16 to rotate, the rotating rod 16 is rotatably arranged with the fixture box 2 through the bearing, the rotating rod 16 can drive the rotating block 17 to rotate, the rotating block 17 can drive the clamping plate 19 to rotate through the hydraulic cylinder 18, the clamping plate 19 can drive the workpiece to rotate through the buffer pad 20, turn on the power of the electric push rod 21, the electric push rod 21 can drive the transmission bar 22 to move to the left, the transmission bar 22 is slidably arranged through the slide rail and the guide frame 23, the transmission bar 22 can drive the slide frame 24 to move, the slide frame 24 is The rear side of the sector toothed disc 25 slides and drives the sector toothed disc 25 to rotate counterclockwise. The sector toothed disc 25 is rotated by the bearing and the fixture box 2. The sector toothed disc 25 can drive the transmission gear 26 to rotate clockwise. The transmission gear 26 is rotated by the bearing and the fixture box 2. The surface of the transmission gear 26 and the right end of the hinged rod 27 are eccentric. The transmission gear 26 can drive the hinged rod 27 to move left. The hinged rod 27 can drive the transmission rod 28 to rotate. The transmission rod 28 is rotated by the bearing and the fixture box 2. The transmission rod 28 can drive the slider 29 to move left. The slider 29 can slide in the slide groove of the rack 30 and drive the rack 30 to move left. The rack 30 is slidably arranged by the slide rail and the limit frame 31. The rack 30 can drive the pinion 32 to rotate, and the pinion 32 can drive the rotating shaft 40 to rotate. The rotating shaft 40 is rotatably arranged with the fixture box 2 through a bearing. The rotating shaft 40 is fixed by the CNC machine tool fixture seat 1, so that the fixture box 2 rotates. The rotating shaft 40 can drive the driving wheel 33 to rotate, and the driving wheel 33 can drive the transmission belt 34 to rotate. The transmission belt 34 can drive the passive wheel 35 to rotate, and the passive wheel 35 can drive the connecting shaft 36 to rotate. The connecting shaft 36 is rotatably arranged with the fixture box 2 through a bearing. The connecting shaft 36 can drive the connecting sleeve 37 to rotate, and the connecting sleeve 37 can drive the cleaning plate 38 to rotate. The cleaning plate 38 can drive the cleaning brush 39 to rotate, and the cleaning brush 39 can clean the top of the fixture box 2.

[0069] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A clamping device for a CNC machine tool processing center, characterized in that: include CNC machine tool fixture base (1): A fixture box (2), the fixture box (2) is rotatably connected to the top of the CNC machine tool fixture seat (1); A rotating shaft (40), the rotating shaft (40) is rotatably sleeved inside the fixture box (2), and the rotating shaft (40) is key-connected to the CNC machine tool fixture seat (1); A support assembly, the support assembly being bolted to the top of the fixture box (2); A clamping assembly, the clamping assembly is rotatably sleeved inside the supporting assembly; A rotating block (17), wherein two rotating blocks (17) are provided, and both rotating blocks (17) are rotatably sleeved inside the supporting assembly; A rotating mechanism, the rotating mechanism is bolted to the rotating block (17), and the rotating mechanism is used to drive the clamping assembly to rotate; A driving mechanism, the driving mechanism is key-connected to the rotating shaft (40), and the driving mechanism is used to drive the fixture box (2) to rotate; A cleaning mechanism is connected to the rotating shaft (40).

2. A clamping device for a CNC machine tool processing center according to claim 1, characterized in that: The support assembly comprises a support seat (3), a limit cover (4) and a cable port (5); each of the support seat (3), the limit cover (4) and the cable port (5) is provided with two, the two sides of the top of the fixture box (2) are respectively connected with the bottom bolts of the two support seats (3), the top of the support seat (3) is connected with the bottom of the limit cover (4) by threads, the cable port (5) is opened at the top of the limit cover (4), and the rotating block (17) is rotatably arranged with the support seat (3).

3. A clamping device for a CNC machine tool processing center according to claim 1, characterized in that: The clamping assembly comprises a hydraulic cylinder (18), a clamping plate (19) and a buffer pad (20), wherein the hydraulic cylinder (18), the clamping plate (19) and the buffer pad (20) are each provided with two, the output end of the hydraulic cylinder (18) is connected to the side of the clamping plate (19) by bolts, the clamping plate (19) and the buffer pad (20) are bonded, the surface of the hydraulic cylinder (18) is rotatably sleeved with the top of the support seat (3), and the hydraulic cylinder (18) is connected to the rotating block (17) by bolts.

4. The clamping device for a CNC machine tool processing center according to claim 1, characterized in that: The rotating mechanism comprises a servo motor (6), a main sprocket (7), a chain (8), a secondary sprocket (9), a rotating shaft (10), a support block (11) and a rotating assembly. The top of the servo motor (6) is bolted to the top of the fixture box (2), the output end of the servo motor (6) is keyed to the axis of the main sprocket (7), the teeth of the main sprocket (7) are meshed with the top of the chain (8), the bottom of the chain (8) is meshed with the teeth of the secondary sprocket (9), the axis of the secondary sprocket (9) is keyed to the right end of the surface of the rotating shaft (10), two support blocks (11) are provided, both of the two support blocks (11) are rotatably sleeved with the rotating shaft (10), the bottom of the support block (11) is bolted to the bottom of the fixture box (2), two rotating assemblies are provided, and the two ends of the rotating shaft (10) are respectively connected to the two rotating assemblies.

5. A clamping device for a CNC machine tool processing center according to claim 4, characterized in that: The rotating assembly comprises a main bevel gear (12), a secondary bevel gear (13), a worm (14), a worm wheel (15) and a rotating rod (16); the main bevel gear (12) is key-connected with the rotating shaft (10); the teeth of the main bevel gear (12) mesh with the teeth of the secondary bevel gear (13); the axis of the secondary bevel gear (13) is key-connected with the bottom end of the surface of the worm (14); the top and bottom ends of the worm (14) are both rotatably sleeved with the inside of the fixture box (2); the top end of the surface of the worm (14) meshes with the teeth of the worm wheel (15); the axis of the worm wheel (15) is key-connected with the surface of the rotating rod (16); the rotating rod (16) is rotatably sleeved with the fixture box (2); and the end of the rotating rod (16) away from the worm wheel (15) is key-connected with the side of the rotating block (17).

6. The clamping device for a CNC machine tool processing center according to claim 1, characterized in that: The driving mechanism comprises an electric push rod (21), a transmission bar (22), a guide frame (23), a slide frame (24) and a driving assembly. The top of the electric push rod (21) is bolted to the top end inside the fixture box (2), the output end of the electric push rod (21) is bolted to the right side of the transmission bar (22), the rear side of the transmission bar (22) is slidably connected to the inside of the guide frame (23), the top of the guide frame (23) is bolted to the top end inside the fixture box (2), the rear side of the slide frame (24) is hinged to the surface of the transmission bar (22), and the slide frame (24) is slidably connected to the driving assembly.

7. A clamping device for a CNC machine tool processing center according to claim 6, characterized in that: The driving assembly comprises a sector toothed disc (25), a transmission gear (26), an articulated rod (27), a transmission rod (28) and a transmission assembly. The interior of the sliding frame (24) is slidably connected to the top end of the rear side of the sector toothed disc (25). The axis of the sector toothed disc (25) is rotationally connected to the interior of the fixture box (2). The teeth of the sector toothed disc (25) are meshed with the teeth of the transmission gear (26). The axis of the transmission gear (26) is rotationally connected to the interior of the fixture box (2). The bottom end of the surface of the transmission gear (26) is hinged to the right end of the articulated rod (27). The left end of the articulated rod (27) is hinged to the surface of the transmission rod (28). The bottom end of the transmission rod (28) is hinged to the bottom end of the interior of the fixture box (2). The transmission rod (28) is hinged to the transmission assembly.

8. The clamping device for a CNC machine tool processing center according to claim 7, characterized in that: The transmission assembly comprises a slider (29), a rack (30), a limit frame (31) and a pinion (32); the top end of the transmission rod (28) is hinged to the surface of the slider (29); the rear side of the slider (29) is slidably connected to a slide groove on the right side of the surface of the rack (30); the rear side of the rack (30) is slidably connected to the inside of the limit frame (31); the top of the limit frame (31) is connected to the top bolt inside the fixture box (2); the teeth of the rack (30) are meshed with the teeth of the pinion (32); and the axis of the pinion (32) is keyed to the top end of the surface of the rotating shaft (40).

9. The clamping device for a CNC machine tool processing center according to claim 1, characterized in that: The cleaning mechanism comprises a driving wheel (33), a transmission belt (34), a driven wheel (35) and a cleaning assembly, wherein the surface of the rotating shaft (40) is key-connected with the axis center of the driving wheel (33), the interior of the driving wheel (33) is transmission-connected with the right side of the interior of the transmission belt (34), the left end of the interior of the transmission belt (34) is transmission-connected with the interior of the driven wheel (35), and the driven wheel (35) is key-connected with the cleaning assembly, and the cleaning assembly comprises a connecting shaft (36), a connecting sleeve (37), a cleaning plate (38) and a cleaning brush (39), the bottom end of the connecting shaft (36) is key-connected with the axis center of the driven wheel (35), the surface of the connecting shaft (36) is rotationally sleeved with the interior of the fixture box (2), the top end of the connecting shaft (36) extends to the top of the fixture box (2) and is key-connected with the interior of the connecting sleeve (37), the right side of the connecting shaft (36) is bolt-connected with the left side of the cleaning plate (38), and the bottom of the cleaning plate (38) is clamped with the top of the cleaning brush (39).

10. A clamping method for a clamping device for a CNC machine tool machining center as claimed in claim 1, characterized in that: The following steps are involved: S1: The clamping device is installed inside the CNC machine tool processing center and connected to the power cord and controller; S2: placing the workpiece to be processed on the top of the fixture box (2) and fixing it with a clamping assembly, and the rotating mechanism can drive the workpiece to rotate; S3: The driving mechanism can drive the fixture box (2) to rotate via the rotating shaft (40), and the fixture box 2 can drive the workpiece to rotate; S4: The rotating shaft (40) can clean the top of the fixture box (2) through the cleaning mechanism.

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