CN114289758A

CN114289758A - Upper tool rest processing equipment of numerical control tool rest

Info

Publication number: CN114289758A
Application number: CN202111669093.3A
Authority: CN
Inventors: 李良; 郭继泉
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-04-08

Abstract

The invention discloses an upper tool rest processing device of a numerical control tool rest, which relates to the field of tool rest processing devices and aims to solve the problem that the time consumed for processing a threaded hole of the tool rest is too long in the prior art, and the adopted technical scheme is that a first drill bit assembly and a second drill bit assembly are driven by a ring gear and a driving wheel, so that not only can all drill bits synchronously rotate, but also the number of transmission gears among the drill bit assemblies can be reduced, the processing and the assembly are convenient, the transmission efficiency loss in the transmission process can be reduced, the upper cover and the lower cover are connected by adopting a bolt, an output gear of a motor is meshed with the driving wheel, and after the drilling is finished, a multi-axis device provided with a drilling bit can be rapidly disassembled by separating the upper cover and the lower cover, and is replaced by a multi-axis device provided with a tapping bit, so that the drilling bit can be rapidly replaced, and the processing time can be saved; when the drill bit is arranged on the multi-axis device, the drill bit can be clamped and loosened by rotating the nut, and the drill bit is more quickly installed and replaced.

Description

Upper tool rest processing equipment of numerical control tool rest

Technical Field

The invention relates to the field of tool rest processing equipment, in particular to upper tool rest processing equipment of a numerical control tool rest.

Background

The numerical control tool rest is the most common auxiliary device of the numerical control lathe, and can enable the numerical control lathe to finish various and even all machining processes in one-time clamping of a workpiece so as to shorten the auxiliary time of machining and reduce errors caused by multiple times of installation of the workpiece in the machining process, thereby improving the machining efficiency and the machining precision of the machine tool; the numerical control tool rest can be divided into a row type tool rest, a rotary tool rest and an automatic tool changing device with a tool magazine according to different types, and the rotary tool rest can be designed into a square tool rest, a hexagonal tool rest or a disc type tool rest according to the processing requirements.

The upper tool rest of the numerical control tool rest is a turret above a rotary tool rest, and Chinese patent CN201911224716.9 discloses an upper tool rest processing device of the numerical control tool rest, and adopts the technical scheme that an upright post is arranged on a base, a milling device slides on the upright post along the vertical direction, and a driving piece for driving the milling device to slide up and down is also arranged on the upright post; an XY-axis sliding platform is arranged on the base and is positioned below the milling device, a clamping device is arranged on the upper end face of the XY-axis sliding platform, and the clamping device comprises a base fixed on the upper end face of the XY-axis sliding platform, a clamping seat rotationally connected to the base and used for fixing a workpiece, and a driving assembly arranged on the base and driving the clamping seat to rotate; the vertical column is also provided with a sliding seat in a sliding manner along the vertical direction, the sliding seat is provided with a groove milling device for milling the annular groove on the outer side wall of the workpiece, the groove milling device comprises a groove milling motor arranged on the sliding seat and a groove milling head arranged on an output shaft of the groove milling motor, and the output shaft of the groove milling motor is horizontal and arranged towards one side of the clamping device; the groove milling motor is connected to the sliding seat in a sliding manner along the horizontal direction and towards one side of the clamping device, and a groove milling cylinder for driving the groove milling motor to move is further arranged on the sliding seat; the XY-axis sliding platform comprises an X-axis moving platform and a Y-axis moving platform, the X-axis moving platform is connected above the Y-axis moving platform in a sliding mode, the sliding direction of the X-axis moving platform is arranged along the horizontal direction and is perpendicular to the output shaft of the groove milling motor, and the sliding direction of the Y-axis moving platform is arranged along the horizontal direction and is perpendicular to the sliding direction of the X-axis moving platform; the clamping device is positioned on the X-axis moving platform, the upper end face of the Y-axis moving platform is also provided with a leveling device, the leveling device comprises a leveling seat fixed on the upper end face of the Y-axis moving platform, a leveling cylinder arranged on the leveling seat and a leveling member arranged on a piston rod of the leveling cylinder, the piston rod of the leveling cylinder faces one side of the clamping device, and the leveling cylinder is used for abutting against the leveling member to adjust the levelness of the outer side wall of a workpiece; the leveling member comprises a leveling plate fixedly connected to an output shaft of the leveling cylinder and a leveling rod arranged on one side of the leveling plate, which is far away from the leveling cylinder.

This technical scheme mainly designs for processing square tool rest, and in square tool rest course of working, need drill out 12 screw holes on semi-manufactured goods work piece, and only have single drill bit among the prior art, carry out the processing of different hole sites through the position of removing the blank, it is long to consume time, and if the simple conventional multi-spindle machine that uses improves, again because the drill bit of drilling and tapping is different, need carry out loaded down with trivial details drill bit change after the drilling is finished, just can carry out subsequent tapping operation, can waste a large amount of time equally.

Disclosure of Invention

In view of the problems in the prior art, the invention discloses a top rest processing device of a numerical control knife rest, which adopts the technical scheme that the device comprises a supporting plate, a bottom box, a workbench, a top plate, a control console and a main control box, wherein the workbench is arranged on the bottom box, the supporting plate and the top plate form an L-shaped structure and are arranged on the workbench, the top plate and the workbench are arranged in parallel, the control console and the main control box are arranged beside the bottom box, a microprocessor and an alarm are arranged in the main control box, the microprocessor, the control console and the alarm are electrically connected, a supporting column is arranged below the control console, rotating shafts are arranged on two sides of the top plate, protective covers are axially connected with the rotating shafts, a hydraulic driving assembly is arranged in the bottom box, the hydraulic control assembly comprises a hydraulic oil tank, a hydraulic pump, a control valve and a hydraulic oil pipe, the hydraulic pump is arranged in the hydraulic oil tank, the drilling machine comprises a hydraulic oil pipe, a hydraulic pump, a drilling mechanism, a worktable, a microprocessor, a clamping mechanism, a multi-shaft device, a lifting rod and a motor, wherein the hydraulic oil pipe is connected with the hydraulic pump, a control valve is arranged on the hydraulic oil pipe and is an electromagnetic valve and electrically connected with the microprocessor, the hydraulic driving components are respectively a first hydraulic driving component and a second hydraulic driving component, the top plate is connected with the drilling mechanism, the worktable is internally provided with the clamping mechanism, the bottom box is internally provided with the dust collecting mechanism, the drilling mechanism further comprises the multi-shaft device, the lifting rod and the motor, the upper part of the motor is connected with the lifting rod, the multi-shaft device can be controlled to lift through the lifting rod, the output end of the motor is connected with the multi-shaft device, the motor is electrically connected with the microprocessor, and the lifting rod is arranged on the top plate; the multi-axis machine further comprises a bottom plate, an upper cover, a first drill bit assembly and a second drill bit assembly, wherein the bottom plate is connected with the upper cover, the first drill bit assembly and the second drill bit assembly are arranged on the bottom plate, the second drill bit assembly comprises four groups or eight groups, the bottom plate is distributed in a regular polygon shape, the first drill bit assembly comprises four groups, four corners of the regular polygon shape surrounded by the second drill bit assembly are distributed, the first drill bit assembly and the second drill bit assembly jointly form a square shape, the positions of fastening bolt threaded holes of the first drill bit assembly and the second drill bit assembly, which need to be drilled by a workpiece, correspond to each other, a driving wheel is rotatably connected onto the bottom plate and is slidably connected with a first ring gear, the driving wheel is arranged on the second drill bit assembly and is meshed with a gear arranged on the second drill bit assembly, and a driving hole is formed on the central axis of the driving wheel, the inner wall of the driving hole is provided with driving teeth, the output end of the motor is provided with an output gear, the output gear is meshed with the driving teeth, the motor drives the output gear to rotate to drive the driving wheel to rotate, the inner ring and the outer ring of the first ring gear are both provided with teeth, the teeth of the inner ring of the first ring gear are meshed with the gear arranged on the second drill bit assembly, and the teeth of the outer ring are meshed with the gear arranged on the first drill bit assembly; the bottom plate is provided with a lower cover, the upper part of the first drill bit assembly, the upper part of the second drill bit assembly, the first ring gear and the driving wheel are all arranged in the lower cover, when the multi-axis device is replaced, after the upper cover and the bottom plate are separated, the first ring gear and the driving wheel are not exposed and are prevented from falling off, the center of the top surface of the lower cover is provided with a gear hole, the gear hole and the driving hole are coaxially arranged and have the same size, and the gear hole is used for an output gear to pass through; there is the processing groove on the workstation, the processing groove is square groove, and the size is greater than work piece bottom surface size, the processing groove is located the multiaxis ware below and with the coaxial setting of multiaxis ware, fixture still includes second ring gear, supporting rod, rack and check lock lever, seted up gear groove and rack groove in the workstation, the gear groove with the rack groove is linked together, sliding connection has in the gear groove the second ring gear, the tooth of second ring gear is in the outer lane, and inner circle ring array has the extrusion piece, the extrusion piece is half-moon tooth shape, and the thin one end of one end is thick, the gear groove is square ring groove processing groove periphery and with the coaxial setting of processing groove, the gear groove through the slide with the processing groove is linked together, sliding connection has the supporting rod in the slide, the supporting rod is close to the tip of extrusion piece is equipped with ball and spring plate, the spring pressing plate and the inner wall of the gear groove are provided with a second spring in a pressing mode, the ball is connected with the extrusion block in a sliding mode, friction force can be reduced, along with rotation of the second ring gear, when the thick end of the extrusion block is gradually close to the ball, the extrusion block can enable the clamping rod to slide towards the processing groove to clamp a workpiece, meanwhile, the second spring is compressed, when the thin end of the extrusion block is gradually close to the ball, the second spring can recover to enable the clamping rod to slide towards the gear groove 301 to loosen the workpiece, the rack is connected with the rack in a sliding mode, the rack is connected with the second ring gear, the second ring gear can be driven to rotate through sliding of the rack, the end portion of the rack is connected with the locking rod, the locking rod is a hydraulic rod, a through hole for the locking rod to penetrate through is formed in the workbench, and the locking rod is connected with the first hydraulic driving component through the first hydraulic oil pipe and the second hydraulic oil pipe, the second hydraulic oil pipe is provided with a flowmeter, the flowmeter is electrically connected with the microprocessor, and the extension amount or the recovery amount of the locking rod can be obtained by monitoring the flow of the hydraulic oil.

As a preferable technical scheme of the invention, the lifting rod is a hydraulic cylinder, and the lifting rod is connected with the second hydraulic driving component and can be controlled to lift through a microprocessor.

As a preferred technical solution of the present invention, the lower end of the lifting rod is connected with an n-type frame, the lower end of the n-type frame is connected with the upper cover of the multi-axis device, the n-type frame is connected with a connecting plate, the connecting plate is an annular plate, the connecting plate is sleeved on the motor and is connected with the motor through a fixing member, and the motor, the multi-axis device and the telescopic end of the lifting rod can be connected through the n-type frame, the connecting plate and the fixing member.

As a preferred technical scheme of the invention, the base plate is provided with a plurality of mounting holes, threaded holes are arranged in an annular array around each mounting hole, the mounting holes correspond to the first drill bit assembly and the second drill bit assembly in position and are matched in size, and the first drill bit assembly and the second drill bit assembly can be mounted on the base plate through bolts; the upper cover is connected with the bottom plate and the n-shaped frame through bolts.

According to a preferred technical scheme, the first drill bit assembly comprises a drill bit, a drill bit gear, a connecting column, a drill bit nut, a locking shell and a locking ball, the upper end of the connecting column is connected with the drill bit gear, a threaded groove is formed in the vertical side surface of the lower end of the connecting column, the lower end face of the connecting column is sequentially connected with a connecting cylinder and a pressing ring, a drill bit hole is formed in the lower end face of the connecting column, the drill bit gear is meshed with the first annular gear, the connecting column is connected with an installation plate through a bearing, a drill bit bolt hole is formed in the installation plate, the positions of the drill bit bolt hole and the threaded hole are corresponding and matched in size, the connecting column can rotate through the bearing when the installation plate is fixed on the bottom plate through bolts, and the drill bit gear can drive the drill bit to rotate; the drill bit nut is meshed on the threaded groove, the lower end of the drill bit nut is connected with the locking shell, the locking shell is an inverted circular truncated cone shell with a top surface opened, a through hole is formed in the bottom surface of the locking shell, the through hole, the pressing ring and the drill bit hole are coaxially arranged, the through hole, the inner ring of the pressing ring and the drill bit hole are matched with each other in size, a drill bit can penetrate through the through hole and the inner ring of the pressing ring and is inserted into the drill bit hole, a limiting plate is arranged on the inner wall of the drill bit hole, a limiting groove corresponding to the limiting plate in position and matched with the limiting plate in size is formed in the drill bit, the drill bit and the connecting column can be prevented from sliding when the limiting plate is inserted into the limiting groove, and the drill bit and the connecting column can be ensured to rotate synchronously; the locking shell is internally provided with a plurality of locking balls, the drill bit is provided with an annular groove which corresponds to the locking balls in position and is matched with the locking balls in size, the locking shell moves upwards along with the drill bit nut, the pressing ring supports against the locking balls so that the locking balls cannot move upwards, the diameter below the locking shell is smaller and smaller, the locking balls can be extruded to clamp the drill bit, and the locking balls can prevent the drill bit and the locking balls from sliding relatively after entering the annular groove, so that the drill bit is fixed; the inner wall of the drill nut is provided with a plate bin, a plate groove with one through end is formed in the plate bin, a sealing plate is connected in the plate groove in a sliding mode, the top surface of the sealing plate is provided with an inclined surface, a first spring is arranged between the sealing plate and the plate groove in a pressing mode, the end portion of the sealing plate is connected with the connecting cylinder in a sliding mode, if the drill nut is unscrewed from the connecting column, the sealing plate can pop out under the action of the first spring, the locking shell is sealed, and the locking ball is prevented from rolling out and losing; the second bit assembly is identical in construction to the first bit assembly.

In a preferred embodiment of the present invention, the drill bit is a drill bit or a tapping bit, the drill bit is used for drilling a hole, and the tapping bit is used for tapping a hole.

In a preferred embodiment of the present invention, a plurality of positioning gears are connected to the gear groove inner shaft, and are engaged with the second ring gear, and the positioning gears are distributed around the second ring gear to clamp the second ring gear and prevent the second ring gear from slipping.

As a preferred technical solution of the present invention, a first transmission gear and a second transmission gear are connected to the gear groove inner shaft, the first transmission gear is engaged with the second transmission gear, the first transmission gear is engaged with the second ring gear, the second transmission gear is engaged with the rack, and the sliding of the rack can drive the second ring gear to rotate through the transmission of the first transmission gear and the second transmission gear; the rotary encoder is equipped with on the first drive gear, rotary encoder with microprocessor electrical property links to each other, and rotary encoder can be through the rotatory number of turns that detects first drive gear, checks the reach of locking lever.

According to a preferable technical scheme of the invention, one end of the clamping rod, which is close to the processing tank, is provided with the clamping plate, the clamping plate is provided with the buffer pad, the clamping plate can enlarge the contact area, the clamping is more stable, and the buffer pad can protect the workpiece and prevent scratching.

As a preferable technical scheme of the invention, the bottom box is provided with the support platform, the reinforcing rib is arranged between the support platform and the bottom box, the locking rod is arranged on the support platform, and the reinforcing rib and the support platform can support the locking rod more stably.

As a preferred technical scheme of the invention, the dust collecting mechanism comprises a collecting hopper, a dust collecting hopper and a fan, the collecting hopper is arranged below the processing groove, the dust collecting hopper is connected in the bottom box in a sliding manner, the top of the dust collecting hopper is opened, the collecting hopper is communicated with the dust collecting hopper through a dust falling pipe, a dust collecting pipe and the fan are arranged in the bottom box, the inlet of the dust collecting pipe is communicated with the dust collecting hopper, a filter screen is arranged at the inlet of the dust collecting pipe, the outlet of the dust collecting pipe is connected with the inlet of the fan, and the outlet of the fan is communicated with the outside through an exhaust pipe; the fan is electrically connected with the microprocessor; the dust collecting hopper is provided with a dust collecting hopper cover, a handle is arranged on the dust collecting hopper cover, a gasket is arranged between the dust collecting hopper cover and the bottom box, the dust collecting hopper cover is fixed on the bottom box through a sealing bolt, chips generated by drilling and tapping can be sucked into the dust collecting hopper through a fan, and the sealing bolt and the gasket can seal a joint, so that the dust collecting hopper can form enough negative pressure dust collection.

The invention has the beneficial effects that: according to the invention, the first drill bit assembly and the second drill bit assembly are driven by the ring gear and the driving wheel, so that all drill bits can synchronously rotate, the number of transmission gears between the drill bit assemblies can be reduced, the processing and the assembly are convenient, the transmission efficiency loss in the transmission process can be reduced, the output gear of the motor is meshed with the driving wheel by adopting the bolt connection between the bottom plate and the upper cover, the multi-shaft device provided with the drilling drill bit can be quickly disassembled by separating the upper cover and the bottom plate after the drilling is finished and is replaced by the multi-shaft device provided with the tapping drill bit, the quick replacement of the drill bit is realized, and the processing time is saved; when the drill bit is arranged on the multi-axis device, the drill bit can be clamped and loosened by rotating the nut, and the drill bit is more quickly installed and replaced.

Furthermore, the locking rod drives the second ring gear to rotate, the clamping rod is extruded through the extrusion block to clamp the middle of the workpiece, the lower part of the workpiece can be placed in the processing groove, processing chips can fall into the dust collecting mechanism below conveniently, and the cleaning work after processing is more convenient.

Drawings

FIG. 1 is a first view of a schematic structural diagram of the present invention;

FIG. 2 is an enlarged schematic view of the structure at the position A of the present invention;

FIG. 3 is a second diagram of the structure of the present invention;

FIG. 4 is a schematic view of the external structure of the multi-axis device of the present invention;

FIG. 5 is a schematic view of the internal structure of the upper cover of the multi-axis device of the present invention;

FIG. 6 is a schematic view of the internal structure of a lower cover of the multi-axis device of the present invention;

FIG. 7 is a schematic view of a first drill bit assembly of the present invention;

FIG. 8 is a schematic cross-sectional view of a drill bit according to the present invention;

FIG. 9 is a schematic cross-sectional view of a bore of a drill bit according to the present invention;

FIG. 10 is a schematic view of a clamping mechanism according to the present invention;

FIG. 11 is a schematic top view of a clamping rod according to the present invention;

FIG. 12 is a schematic view of the dust collecting mechanism of the present invention.

In the figure: 1. a support plate; 2. a bottom box; 3. a work table; 301. a gear groove; 302. a rack slot; 4. a top plate; 5. a console; 6. a support pillar; 7. processing a tank; 8. a multi-axis machine; 801. a base plate; 802. an upper cover; 803. a drill bit; 8031. a limiting groove; 804. a first drill bit assembly; 8041. a drill gear; 8042. connecting columns; 80421. a connecting cylinder; 80422. pressing a ring; 80423. drilling a bit hole; 80424. a limiting plate; 8043. mounting a plate; 8044. drilling a bolt hole; 8045. a bearing; 8046. a drill nut; 80461. a plate bin; 80462. a first spring; 80463. a closing plate; 8047. a locking shell; 8048. a locking ball; 805. a first ring gear; 806. a second drill bit assembly; 807. a drive wheel; 808. a drive aperture; 809. a lower cover; 9. a protective cover; 10. a lifting rod; 11. an n-type frame; 12. a connecting plate; 13. a motor; 14. a fixing member; 15. a master control box; 16. a support table; 17. a locking lever; 18. a first hydraulic oil pipe; 19. a second hydraulic oil pipe; 20. a flow meter; 21. a clamping mechanism; 2101. positioning a gear; 2102. a second ring gear; 2103. extruding the block; 2104. a clamping rod; 2105. a second spring; 2106. a spring pressing plate; 2107. a clamping plate; 21071. a cushion pad; 2108. a first drive gear; 2109. a second transmission gear; 2110. a rack; 2111. a rotary encoder; 2112. a ball bearing; 22. a rotating shaft; 23. a dust collecting mechanism; 2301. a collecting hopper; 2302. a dust falling pipe; 2303. a dust collecting hopper; 23031. a dust collecting hopper cover; 23032. a gasket; 23033. a seal bolt; 23034. a handle; 2304. a dust collection pipe; 2305. a fan; 2306. an exhaust duct; 2307. a filter screen; 24. a hydraulic drive assembly.

Detailed Description

The technical scheme of the invention is clearly and completely described in the following with reference to the accompanying drawings. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

As shown in fig. 1 to 12, the invention discloses a top rest processing device of a numerical control knife rest, which adopts the technical scheme that the device comprises a support plate 1, a bottom box 2, a workbench 3, a top plate 4, a control console 5 and a main control box 15, wherein the workbench 3 is arranged on the bottom box 2, the support plate 1 and the top plate 4 form an L-shaped structure and are arranged on the workbench 3, the top plate 4 and the workbench 3 are arranged in parallel, the control console 5 and the main control box 15 are arranged beside the bottom box 2, a microprocessor and an alarm are arranged in the main control box 15, the microprocessor is electrically connected with the control console 5 and the alarm, a support column 6 is arranged below the control console 5, two sides of the top plate 4 are provided with rotating shafts 22, the rotating shafts 22 are axially connected with a protective cover 9, a hydraulic driving assembly 24 is arranged in the bottom box 2, a drilling mechanism is connected on the top plate 4, a clamping mechanism 21 is arranged in the workbench 3, a dust collecting mechanism 23 is arranged in the bottom box 2, the drilling mechanism further comprises a multi-axis device 8, a lifting rod 10 and a motor 13, the upper part of the motor 13 is connected with the lifting rod 10, the output end of the motor 13 is connected with the multi-axis device 8, the motor 13 is electrically connected with the microprocessor, and the lifting rod 10 is arranged on the top plate 4; the multi-axis machine 8 further comprises a base plate 801, an upper cover 802, a first drill bit assembly 804 and a second drill bit assembly 806, wherein the base plate 801 is connected with the upper cover 802, the first drill bit assembly 804 and the second drill bit assembly 806 are installed on the base plate 801, eight groups of the second drill bit assembly 806 are arranged on the base plate 801 in a regular octagon shape, four groups of the first drill bit assembly 804 are arranged on the base plate 801 in a regular octagon shape, four corners of the regular octagon shape surrounded by the second drill bit assembly 806 are distributed, the first drill bit assembly 804 and the second drill bit assembly 806 are combined to form a square shape corresponding to the positions of 12 threaded holes to be drilled on a workpiece, a driving wheel 807 is rotatably connected with the base plate 801 and is slidably connected with a first ring gear 805, the driving wheel 807 is arranged in the inner ring of the second drill bit assembly 806, a driving hole 808 is arranged on the central axis of the driving wheel 807, driving teeth are arranged on the inner wall of the driving hole 808, the output gear is equipped with to motor 13 output, the output gear with the meshing of drive tooth looks, first ring gear 805 inner circle and outer lane all have the tooth, first ring gear 805 is in first drill bit subassembly 804 inner circle second drill bit subassembly 806 outer lane, first drill bit subassembly 804 includes drill bit 803, drill bit gear 8041, spliced pole 8042, drill bit nut 8046, locking shell 8047 and locking ball 8048, spliced pole 8042 upper end is connected drill bit gear 8041, and the vertical side of lower extreme is opened there is the thread groove, and the lower extreme terminal surface has connected gradually connecting cylinder 80421 and clamping ring 80422, just the lower terminal surface of spliced pole 8042 is opened there is drill bit hole 80423, drill bit gear 8041 with first ring gear 805 meshes mutually, spliced pole 8042 passes through bearing 8045 and connects mounting panel 43, there is drill bit bolt hole 8044 on mounting panel 8043, drill bit bolt hole 8044 with the corresponding, the screw hole position, The sizes are matched; a drill nut 8046 is engaged on the thread groove, the lower end of the drill nut 8046 is connected with a locking shell 8047, the locking shell 8047 is an inverted frustum shell with a top surface opened, a through hole is formed in the bottom surface, the through hole, the pressing ring 80422 and the drill hole 80423 are coaxially arranged, the through hole, the inner ring of the pressing ring 80422 and the drill hole 80423 are all matched with the drill 803 in size, a limiting plate 80424 is arranged on the inner wall of the drill hole 80423, and a limiting groove 8031 which corresponds to the limiting plate 80424 in position and is matched with the limiting plate in size is arranged on the drill 803; two locking balls 8048 are arranged in the locking shell 8047, an annular groove which corresponds to the locking balls 8048 in position and is matched with the locking balls 8048 in size is formed in the drill bit 803, after the drill bit 803 is installed in the drill bit hole 80423, the drill bit nut 8046 is screwed to enable the drill bit nut 8046 to drive the locking shell 8047 to move upwards, after the locking balls enter the annular groove, the locking balls 8048 are clamped by the pressing ring 80422 and the locking shell 8047 from the upper direction and the lower direction, meanwhile, the inclined side wall of the locking shell 8047 extrudes the locking balls 8048 to enable the locking balls 8048 to tightly press the drill bit 803, the annular groove can prevent the drill bit 803 from axially sliding, and the limiting plate 80424 and the limiting groove 8031 can prevent the drill bit 803 and the connecting column 8042 from relatively rotating; the second bit assembly 806 is identical to the first bit assembly 804 in construction, and when the drive wheel 807 and the first ring gear 805 are mounted, the teeth of the drive wheel 807 are engaged with the second bit teeth of the second bit assembly 806, the outer ring teeth of the first ring gear 805 are engaged with the bit gear 8041, and the inner ring teeth are engaged with the second bit gear; a lower cover 809 is arranged on the bottom plate 801, the upper part of the first drill bit assembly 804, the upper part of the second drill bit assembly 806, the first ring gear 805 and the driving wheel 807 are all arranged in the lower cover 809, a gear hole is formed in the center of the top surface of the lower cover 809, and the gear hole and the driving hole 808 are coaxially arranged and have the same size; there is processing groove 7 on workstation 3, processing groove 7 is square groove, processing groove 7 is located multiaxis ware 8 below and with multiaxis ware 8 coaxial setting, fixture 21 still includes second ring gear 2102, clamping rod 2104, rack 2110 and locking lever 17, it has gear groove 301 and rack groove 302 to open in the workstation 3, gear groove 301 with rack groove 302 is linked together, sliding connection has in gear groove 301 second ring gear 2102, the tooth of second ring gear 2102 is in the outer lane, and inner circle annular array has extrusion piece 2103, extrusion piece 2103 is half crescent, gear groove 301 is square ring groove processing groove 7 periphery and with processing groove 7 coaxial setting, gear groove 301 through the slide with processing groove 7 is linked together, sliding connection has in the slide clamping rod 2104, clamping rod 2104 is close to the tip of extrusion piece 2103 is equipped with ball 2112 and spring plate 2106, the end of the clamping rod 2104 is provided with a universal ball seat, a ball 2112 is slidably connected in the universal ball seat, a second spring 2105 is press-fitted between the spring pressure plate 2106 and the inner wall of the gear groove 301, the ball 2112 is slidably connected to the inner arc surface of the extrusion block 2103, the rack 2110 is slidably connected in the rack groove 302, a first transmission gear 2108 and a second transmission gear 2109 are further axially connected in the gear groove 301, the first transmission gear 2108 is meshed with the second transmission gear 2109, the first transmission gear 2108 is meshed with the second ring gear 2102, the second transmission gear 2109 is meshed with the rack 2110, the end of the rack 2110 is connected with the locking rod 17, the locking rod 17 is a hydraulic rod, the workbench 3 is provided with a through hole for the locking rod 17 to pass through, the locking rod 17 is connected with a first hydraulic driving assembly of the hydraulic driving assembly 24 through a first hydraulic oil pipe 18 and a second hydraulic oil pipe 19, the locking rod 17 pushes the rack 2110 to slide, and the second ring gear 2102 can be driven to rotate through the transmission of the second transmission gear 2109 and the first transmission gear 2108, so that the extrusion block 2103 extrudes the clamping rod 2104 to clamp a workpiece; and a flowmeter 20 is arranged on the second hydraulic oil pipe 19, and the flowmeter 20 is electrically connected with the microprocessor.

As a preferred technical solution of the present invention, the lifting rod 10 is a hydraulic cylinder, and the lifting rod 10 is connected to the second hydraulic driving assembly of the hydraulic driving assembly 24.

As a preferred technical solution of the present invention, the lower end of the lifting rod 10 is connected with an n-shaped frame 11, the lower end of the n-shaped frame 11 is connected with the upper cover 802 of the multi-axis device 8, a connecting plate 12 is connected in the n-shaped frame 11, the connecting plate 12 is an annular plate, the connecting plate 12 is sleeved on the motor 13 and is connected with the motor 13 through a fixing member 14, and the lifting rod 10 can be connected with the motor 13 and the multi-axis device 8 through bolts, so as to control lifting.

As a preferred technical solution of the present invention, the bottom plate 801 has a plurality of mounting holes, each of the mounting holes has threaded holes in an annular array around the mounting hole, the mounting holes correspond to the first drill bit assembly 804 and the second drill bit assembly 806 in position and are matched in size, the first drill bit assembly 804 and the second drill bit assembly 806 can be mounted on the bottom plate by bolts, and the diameter of the mounting hole is greater than that of the connecting column 8042, so as to facilitate the rotation of the connecting column 8042; the upper cover 802 is connected to the base plate 801 and the n-type frame 11 by bolts.

As a preferable technical solution of the present invention, a plate bin 80461 is disposed on an inner wall of the drill nut 8046, a plate slot with a through end is opened in the plate bin 80461, a sealing plate 80463 is slidably connected in the plate slot, a slope is disposed on a top surface of the sealing plate 80463, a first spring 80462 is press-fitted between the sealing plate 80463 and the plate slot, an end of the sealing plate 80463 is slidably connected to the connecting cylinder 80421, when the drill nut 8046 is separated from the connecting column 8042, the sealing plate 80463 is ejected under the action of the first spring 80462 to seal the locking shell 8047, a protrusion is disposed above the sealing plate 80463, and a blocking block corresponding to the protrusion is disposed at a notch of the plate slot to prevent the sealing plate 80463 from being separated from the plate slot.

In a preferred embodiment of the present invention, the drill 803 is a drill or a tapping drill.

As a preferred embodiment of the present invention, 3 positioning gears 2101 are coaxially connected to the gear groove 301, a plurality of the positioning gears 2101 are engaged with the second ring gear 2102, and the positioning gears 2101 can position the second ring gear 2102 together with the first transmission gear 2108 to prevent the second ring gear 2102 from sliding.

As a preferred technical solution of the present invention, the first transmission gear 2108 is provided with a rotary encoder 2111, the rotary encoder 2111 is electrically connected to the microprocessor, and the rotary encoder 2111 is covered with a protective cover, which can prevent debris from damaging the rotary encoder 2111 or affecting the connection of the lines.

In a preferred embodiment of the present invention, a clamping plate 2107 is mounted on one end of the clamping rod 2104 close to the processing tank 7, a cushion 21071 is mounted on the clamping plate 2107, and the cushion 21071 is made of rubber.

As a preferable technical solution of the present invention, a support platform 16 is installed on the bottom box 2, a reinforcing rib is installed between the support platform 16 and the bottom box 2, and the locking lever 17 is installed on the support platform 16.

As a preferable technical solution of the present invention, the dust collecting mechanism 23 includes a collecting hopper 2301, a dust collecting hopper 2303 and a fan 2305, the collecting hopper 2301 is installed below the processing tank 7, the dust collecting hopper 2303 is slidably connected in the bottom case 2, the top of the dust collecting hopper 2303 is open, the collecting hopper 2301 and the dust collecting hopper 2303 are communicated through a dust falling pipe 2302, a dust collecting pipe 2304 and a fan 2305 are installed in the bottom case 2, an inlet of the dust collecting pipe 2304 is communicated with the dust collecting hopper 2303, a filter screen 2307 is installed at an inlet, the filter screen 2307 can block processing debris from entering the fan, an outlet of the dust collecting pipe 2304 is connected with an inlet of the fan 2305, and an outlet of the fan 2305 is communicated with the outside through an exhaust pipe 2306; the fan 2305 is electrically connected with the microprocessor; the dust hopper 2303 is provided with a dust hopper cover 23031, the dust hopper cover 23031 is provided with a handle 23034, a gasket 23032 is arranged between the dust hopper cover 23031 and the bottom case 2, the dust hopper cover 23031 is fixed on the bottom case 2 by a sealing bolt 23033, and the gasket 23032 is pressed by the sealing bolt 23033, so that a joint can be sealed and air leakage can be prevented.

The working principle of the invention is as follows: during assembly, the connecting plate 12 is connected with the n-shaped frame 11 through bolts, the motor 13 penetrates through the connecting plate 12, the motor 13 is connected with the connecting plate 12 through the fixing piece 14, and the n-shaped frame 11 is connected with the upper cover 802 of the multi-axis device 8 through bolts; the dust hopper 2303 is put into the bottom case 2, the dust hopper cover 23031 is fixed on the bottom case 2 by the sealing bolt 23033, and the joint is sealed by the pressing gasket 23032; when the first drill bit assembly 804 is installed, the first drill bit assembly 804 is pressed into the installation hole, so that the drill bit gear 8041 is meshed with the first ring gear 805, a bolt penetrates through the drill bit bolt hole 8044 and then is screwed into the threaded hole, the installation plate 8043 can be fixed on the bottom plate 801, the drill bit gear 8041 drives the drill bit 803 to rotate through the connecting column 8042, and the connecting column 8042 and the installation plate 8043 are kept to rotate relatively through the bearing 8045; the second drill bit assembly 806 is mounted on the same principles as the first drill bit assembly 804; the locking lever 17 is mounted on the support table 16.

Placing the semi-finished workpiece of the upper tool rest in a processing groove 7 of a workbench 3, operating a console 5, driving a hydraulic driving assembly 24 to work and drive a clamping mechanism 21 by a microprocessor in a master control box 15, injecting hydraulic oil into an oil cylinder of a locking rod 17 through a second hydraulic oil pipe 19 to push the locking rod 17 to extend, wherein during the extension process, the front end hydraulic oil flows back to the hydraulic driving assembly 24 through a first hydraulic oil pipe 18, the microprocessor detects the flow of the hydraulic oil through a flowmeter 20 to obtain the extension amount of the locking rod 17, the locking rod 17 pushes a rack 2110 to slide in a rack groove 302, the rack 2110 rotates a second transmission gear 2109, the second annular gear 2102 is driven to rotate in a gear groove 301 through the transmission of a first transmission gear 2108, a rotary encoder 2111 can detect the number of rotation turns of the first transmission gear 2108 to approve the extension amount of the locking rod 17, and if deviation occurs, stopping all programs and alarming through an alarm to inform workers of inspection, wherein the positioning gear 2101 can prevent the second ring gear 2102 from shifting, the extrusion block 2103 extrudes the clamping rod 2104 during rotation of the second ring gear 2102, the balls 2112 roll along the extrusion block 2103 to reduce friction, the second spring 2105 is compressed through the spring pressure plate 2106 during sliding of the clamping rod 2104 along the slideway, meanwhile, the clamping plate 2107 is pushed out to clamp the workpiece, and the buffer 21071 can protect the workpiece from being scratched; when the amount of push of the lock lever 17 reaches the set value, the microprocessor no longer continues to extend the lock lever 17, and the clamp plate 2107 has clamped the workpiece from four directions.

The protective cover 9 is buckled to prevent processing scraps from splashing; the processing program is started on the control table 5, the microprocessor controls the hydraulic driving assembly 24 to extend the lifting rod 10 to lower the multi-axis device 8 and the motor 13, the motor 13 is controlled to start to operate, the motor 13 drives the output gear to rotate, the output gear drives the driving wheel 807 to rotate, the driving wheel 807 drives all the drill bits 803 connected with the second drill bit assembly 806 to rotate, the second drill bit assembly 806 drives the first ring gear 805 to rotate to drive the drill bits 803 connected with the first drill bit assembly 804 to rotate, the lifting rod 10 enables the multi-axis device 8 to descend, the drill bits 803 start to drill on a workpiece, and the multi-axis device 8 ascends after descending to a set value to finish drilling.

Most of the chips generated by drilling fall into a collecting hopper 2301 of a dust collecting mechanism 23 from a processing tank 7, a microprocessor starts a fan 2305, the fan 2305 sucks the chips above the collecting hopper 2301 into the collecting hopper 2301, the chips fall into a dust collecting hopper 2303 along a dust falling pipe 2302, and the airflow upwards passes through a filter screen 2307, is filtered, enters the fan 2305 through a dust suction pipe 2304 and is finally discharged through an exhaust pipe 2306.

After drilling is completed, the upper cover 802 and the base plate 801 are separated by screwing bolts, the multi-axis device 8 is taken down, the output gear is separated from the driving hole 808 and penetrates out of a gear hole of the lower cover 809 to be replaced by the multi-axis device 8 provided with the tapping drill bit, the output gear penetrates through the gear hole to enter the driving hole 808 and is meshed with teeth in the driving hole 808, and the multi-axis device 8 provided with the tapping drill bit is fixedly connected with the upper cover 802 by using bolts to tap according to the same principle as drilling.

When the drill bit 803 of the first drill bit assembly 804 or the second drill bit assembly 806 needs to be replaced, taking the replacement of the first drill bit assembly 804 as an example, the drill bit nut 8046 is screwed to enable the drill bit nut 8046 and the locking shell 8047 to move downwards along the connecting column 8042, the extrusion of the locking shell 8047 on the locking ball 8048 is released, the locking ball 8048 is separated from the annular groove of the drill bit 803, so that the fixing of the locking ball 8048 on the drill bit 803 is released, the drill bit 803 is taken out downwards, when a new drill bit 803 is installed, the drill bit 803 is inserted into the drill bit hole 80423, the limiting plate 80424 is inserted into the limiting groove 8031 of the drill bit 803 when the new drill bit 803 is inserted, the drill bit nut 8046 is screwed to enable the locking ball 8048 to be pushed into the annular groove through the locking shell 8047, and at the moment, the connecting cylinder 80421 and the pressing ring 80422 press the locking ball 8048 from above to enable the locking ball 8048 to tightly press the drill bit 803, so that the installation of the drill bit 803 can be completed; when the drill nut 8046 is screwed, if the drill nut 8046 is separated from the connecting column 8042 due to excessive screwing, the connecting cylinder 80421 is not in contact with the closing plate 80463 at the moment, the closing plate 80463 is ejected from the plate bin 80461 under the action of the first spring 80462 to close the locking shell 8047 so as to prevent the locking ball 8048 from rolling out, and when the drill nut 8046 is screwed again, the pressing ring 80422 presses the inclined plane at the top of the closing plate 80463 so that the closing plate 80463 can be pressed into the plate bin 80461 to enable the pressing ring 80422 to enter the locking shell 8047; the replacement principle of the second drill bit assembly 806 is the same as that of the first drill bit assembly 804.

After the processing is finished, the sealing bolt 23033 is detached, the handle 23034 is pulled, and the dust hopper 2303 can be pulled out for debris cleaning.

The microprocessor adopts an Edimell 89C51 type singlechip which is used for starting and stopping a motor, analyzing data and opening and closing a valve, and 89C51 pins and a connection mode, so that technical advices can be obtained by technicians in the field by referring to teaching materials or technical manuals published by manufacturers; the mechanical and electrical connections involved in the present invention are conventional means employed by those skilled in the art, and may be suggested by limited experimentation, and are within the ordinary knowledge.

Components not described in detail herein are prior art.

Although the present invention has been described in detail with reference to the specific embodiments, the present invention is not limited to the above embodiments, and various changes and modifications without inventive changes may be made within the knowledge of those skilled in the art without departing from the spirit of the present invention.

Claims

1. The utility model provides a top rest processing equipment of numerical control knife rest, includes backup pad (1), under casing (2), workstation (3), roof (4), control cabinet (5) and master control case (15), workstation (3) are in on under casing (2), backup pad (1) with roof (4) are constituteed L type structure dress and are in on workstation (3), roof (4) with workstation (3) parallel arrangement, under casing (2) other be equipped with control cabinet (5) with master control case (15), there are microprocessor and alarm in master control case (15), microprocessor with control cabinet (5), the alarm electrical property links to each other, there is support column (6) control cabinet (5) below, roof (4) both sides have pivot (22), pivot (22) upper shaft coupling has protective cover (9), there is hydraulic drive subassembly (24) in bottom case (2), its characterized in that: the drilling machine is characterized in that the top plate (4) is connected with a drilling mechanism, a clamping mechanism (21) is arranged in the workbench (3), a dust collecting mechanism (23) is arranged in the bottom box (2), the drilling mechanism further comprises a multi-axis device (8), a lifting rod (10) and a motor (13), the upper part of the motor (13) is connected with the lifting rod (10), the output end of the motor (13) is connected with the multi-axis device (8), the motor (13) is electrically connected with the microprocessor, and the lifting rod (10) is installed on the top plate (4); the multi-axis machine (8) further comprising a base plate (801), an upper cover (802), a first drill bit assembly (804) and a second drill bit assembly (806), the base plate (801) and the upper cover (802) being connected, the first drill bit assembly (804) and the second drill bit assembly (806) being mounted on the base plate (801), the second drill bit assembly (806) having a plurality of sets, the sets being arranged in a regular polygon on the base plate (801), the first drill bit assembly (804) having four sets, the sets being arranged at four corners of the regular polygon enclosed by the second drill bit assembly (806), the first drill bit assembly (804) and the second drill bit assembly (806) together forming a square, a drive wheel (807) being rotatably connected to the base plate (801) and slidably connected to a first ring gear (805), the drive wheel (807) being journalled in the second drill bit assembly (806) and being connected to the second drill bit assembly (806), a driving hole (808) is formed in the central axis of the driving wheel (807), driving teeth are arranged on the inner wall of the driving hole (808), an output gear is arranged at the output end of the motor (13), the output gear is meshed with the driving teeth, teeth are arranged on the inner ring and the outer ring of the first ring gear (805), and the first ring gear (805) is arranged on the inner ring of the first drill bit assembly (804) and the outer ring of the second drill bit assembly (806) and is connected with the first drill bit assembly (804) and the second drill bit assembly (806); a lower cover (809) is arranged on the bottom plate (801), the upper part of the first drill bit assembly (804), the upper part of the second drill bit assembly (806), the first ring gear (805) and the driving wheel (807) are all arranged in the lower cover (809), a gear hole is formed in the center of the top surface of the lower cover (809), and the gear hole and the driving hole (808) are coaxially arranged and have the same size; there is processing groove (7) on workstation (3), processing groove (7) are square groove, processing groove (7) are located multi-spindle unit (8) below and with multi-spindle unit (8) coaxial arrangement, fixture (21) still includes second ring gear (2102), clamping rod (2104), rack (2110) and check lock lever (17), it has gear groove (301) and rack groove (302) to have seted up in workstation (3), gear groove (301) with rack groove (302) are linked together, sliding connection has in gear groove (301) second ring gear (2102), the tooth of second ring gear (2102) is in the outer lane, and inner ring array has extrusion piece (2103), extrusion piece (2103) are half moon tooth shape, gear groove (301) are square ring groove processing groove (7) periphery and with processing groove (7) coaxial arrangement, the gear groove (301) is communicated with the processing groove (7) through a slide way, the slide way is slidably connected with the clamping rod (2104), the clamping rod (2104) is close to the end part of the extrusion block (2103) and is provided with a ball (2112) and a spring pressure plate (2106), the spring pressure plate (2106) is provided with a second spring (2105) between the inner walls of the gear groove (301) in a pressing way, the ball (2112) is connected with the extrusion block (2103) in a sliding way, the rack groove (302) is slidably connected with the rack (2110), the rack (2110) is connected with the second ring gear (2102), the end part of the rack (2110) is connected with the locking rod (17), the locking rod (17) is a hydraulic rod, a through hole for the locking rod (17) to pass through is formed in the workbench (3), the locking rod (17) is connected with the hydraulic driving component (24) through a first hydraulic oil pipe (18) and a second hydraulic oil pipe (19), and a flowmeter (20) is arranged on the second hydraulic oil pipe (19), and the flowmeter (20) is electrically connected with the microprocessor.

2. The upper tool holder machining apparatus of the numerical control tool holder according to claim 1, characterized in that: the lifting rod (10) is a hydraulic cylinder, and the lifting rod (10) is connected with the hydraulic driving component (24).

3. The upper tool post processing device of any one of the numerically controlled tool posts according to claim 1 or 2, wherein: lifter (10) lower extreme is connected with n type frame (11), n type frame (11) lower extreme is connected multi-axis ware (8) upper cover (802), n type frame (11) in-connection has connecting plate (12), connecting plate (12) are the annular plate, connecting plate (12) cover is in on motor (13), and through mounting (14) with motor (13) link to each other.

4. The upper tool holder machining apparatus of the numerical control tool holder according to claim 3, characterized in that: the bottom plate (801) is provided with a plurality of mounting holes, threaded holes are formed in an annular array around each mounting hole, and the mounting holes correspond to the first drill bit assembly (804) and the second drill bit assembly (806) in position and are matched in size; the upper cover (802) is connected with the bottom plate (801) and the n-shaped frame (11) through bolts.

5. The upper tool holder machining apparatus of the numerical control tool holder according to claim 4, wherein: the first drill bit assembly (804) comprises a drill bit (803), a drill bit gear (8041), a connecting column (8042), a drill bit nut (8046), a locking shell (8047) and a locking ball (8048), the upper end of the connecting column (8042) is connected with the drill bit gear (8041), the vertical side face of the lower end of the connecting column is provided with a thread groove, the end face of the lower end of the connecting column is sequentially connected with a connecting cylinder (80421) and a pressing ring (80422), the lower end face of the connecting column (8042) is provided with a drill bit hole (80423), the drill bit gear (8041) is meshed with the first ring gear (805), the connecting column (8042) is connected with a mounting plate (8043) through a bearing (8045), the mounting plate (8043) is provided with a drill bit bolt hole (8044), and the drill bit bolt hole (8044) is corresponding to the threaded hole in position and is matched with the threaded hole in size; a drill bit nut (8046) is meshed on the thread groove, the lower end of the drill bit nut (8046) is connected with a locking shell (8047), the locking shell (8047) is an inverted circular truncated cone shell with a opened top surface, a through hole is formed in the bottom surface of the locking shell, the through hole, the pressing ring (80422) and the drill bit hole (80423) are coaxially arranged, the through hole, the inner ring of the pressing ring (80422) and the drill bit hole (80423) are matched with the drill bit (803) in size, a limiting plate (80424) is arranged on the inner wall of the drill bit hole (80423), and a limiting groove (8031) corresponding to the limiting plate (80424) in position and matched with the size is formed in the drill bit (803); a plurality of locking balls (8048) are arranged in the locking shell (8047), and an annular groove which corresponds to the locking balls (8048) in position and is matched with the locking balls in size is formed in the drill bit (803); a plate bin (80461) is arranged on the inner wall of the drill bit nut (8046), a plate groove with one through end is formed in the plate bin (80461), a sealing plate (80463) is connected in the plate groove in a sliding mode, the top surface of the sealing plate (80463) is provided with an inclined surface, a first spring (80462) is arranged between the sealing plate and the plate groove in a pressing mode, and the end portion of the sealing plate (80463) is connected with the connecting cylinder (80421) in a sliding mode; the second drill bit assembly (806) is identical in construction to the first drill bit assembly (804).

6. The upper tool holder machining apparatus of the numerical control tool holder according to claim 5, wherein: the drill bit (803) is a drilling bit or a tapping bit.

7. The upper tool holder machining apparatus of the numerical control tool holder according to claim 1, characterized in that: and a plurality of positioning gears (2101) are connected in the gear groove (301) in an inner shaft manner and are meshed with the second ring gear (2102).

8. The upper tool post processing device of any one of the numerically controlled tool posts according to claim 1 or 7, wherein: a first transmission gear (2108) and a second transmission gear (2109) are connected in the gear groove (301) in an inner shaft mode, the first transmission gear (2108) is meshed with the second transmission gear (2109), the first transmission gear (2108) is meshed with the second ring gear (2102), and the second transmission gear (2109) is meshed with the rack (2110); and a rotary encoder (2111) is arranged on the first transmission gear (2108), and the rotary encoder (2111) is electrically connected with the microprocessor.

9. The upper tool holder machining apparatus of the numerical control tool holder according to claim 8, wherein: one end of the clamping rod (2104) close to the processing tank (7) is provided with a clamping plate (2107), and the clamping plate (2107) is provided with a buffer pad (21071).

10. The upper tool holder machining apparatus of the numerical control tool holder according to claim 1, characterized in that: a supporting platform (16) is arranged on the bottom box (2), reinforcing ribs are arranged between the supporting platform (16) and the bottom box (2), and the locking rods (17) are arranged on the supporting platform (16).

11. The upper tool holder machining apparatus of the numerical control tool holder according to claim 1, characterized in that: the dust collection mechanism (23) comprises a collection hopper (2301), a dust collection hopper (2303) and a fan (2305), the collection hopper (2301) is installed below the processing groove (7), the dust collection hopper (2303) is in sliding connection in the bottom box (2), the top of the dust collection hopper (2303) is open, the collection hopper (2301) is communicated with the dust collection hopper (2303) through a dust falling pipe (2302), a dust collection pipe (2304) and the fan (2305) are installed in the bottom box (2), an inlet of the dust collection pipe (2304) is communicated with the dust collection hopper (2303), a filter screen (2307) is installed at an inlet, an outlet of the dust collection pipe (2304) is connected with an inlet of the fan (2305), and an outlet of the fan (2305) is communicated with the outside through an exhaust pipe (2306); the fan (2305) is electrically connected with the microprocessor; the dust collecting hopper (2303) is provided with a dust collecting hopper cover (23031), the dust collecting hopper cover (23031) is provided with a handle (23034), a gasket (23032) is arranged between the dust collecting hopper cover (23031) and the bottom box (2), and the dust collecting hopper cover (23031) is fixed on the bottom box (2) through a sealing bolt (23033).