CN204673400U - Abnormity material hypotenuse or periphery machining tool - Google Patents

Abstract

The utility model discloses a machine tool for processing hypotenuse or periphery of special-shaped materials, which comprises a mounting base, a mounting frame vertically arranged on the mounting base, a grinding machine mechanism and a driving grinding machine mechanism movably connected with the mounting frame A swing module that rotates relative to the installation frame, the grinder mechanism is connected to the installation mechanism through the swing module; the grinder mechanism includes a grinder base and at least two grinding disc modules arranged on the grinder base, the grinding disc The module includes a grinding disc motor arranged on a grinder base and a grinding disc connected with the rotating shaft of the grinding disc motor. The utility model has the advantages of strong versatility, high processing precision and low labor cost for the beveled edge or peripheral processing machine tool for special-shaped materials.

Description

Machine tools for beveling or peripheral processing of special-shaped materials

technical field

The utility model relates to the technical field of mechanical processing, in particular to a machine tool for processing hypotenuse or periphery of special-shaped materials.

Background technique

At present, when processing special-shaped glass, ceramics and stone beveled surface workpieces, some special-purpose shaped grinding wheels have a small processing range and high cost of tool consumables. Moreover, it is processed by manual or semi-automatic machine tool profiling. Because it is profiling processing, it is highly dependent on the cutting accuracy of the shape of the product to be processed, and there is no uniformity in batch products; the processing range is small, and the outer shape and surface of the machine can only be processed with little change. For products with larger dimensions, small workpieces cannot be processed.

Contents of the invention

Based on this, it is necessary to provide a beveled edge or peripheral processing machine tool for special-shaped materials with strong versatility, high processing precision and low labor cost in view of the defects of the existing technology.

Its technical scheme is as follows.

A machine tool for beveling or peripheral processing of special-shaped materials, comprising an installation base, an installation frame vertically arranged on the installation base, a grinder mechanism movably connected with the installation frame, and a drive grinder mechanism relative to the installation frame A rotating swing module, the grinder mechanism is connected to the installation mechanism through the swing module; the grinder mechanism includes a grinder base and at least two grinder modules arranged on the grinder base, and the grinder module includes a grinder The disc motor on the base and the disc connected with the rotating shaft of the disc motor.

In this technical solution, the mounting frame of the machine tool for beveling or peripheral processing of special-shaped materials is movably connected with the grinding machine mechanism, and the swing module drives the grinding machine mechanism to swing back and forth relative to the mounting frame, and at the same time, the grinding disc motor set on the grinding machine mechanism drives the grinding disc to process the workpiece. For grinding, the grinding machine mechanism can change the orientation and angle of the grinding disc under the drive of the swing module. In this embodiment, the machine tool for processing the bevel or periphery of special-shaped materials can realize automatic rough grinding, fine grinding and fine grinding of the bevel or periphery of various types of materials, and the batch processing accuracy is highly consistent.

The technical scheme is described further below:

In one of the embodiments, the swing module includes a guide curved arm with one end fixed to the upper end of the installation frame, a driving wheel arranged on the base of the grinding machine, a driven wheel and a swing angle drive motor for driving the driving wheel, The guiding curved arm is arranged between the driving wheel and the driven wheel and is rollingly connected with the driving wheel and the driven wheel.

In one of the embodiments, the grinder base includes a main board and two side plates respectively arranged at both ends of the main board, the grinding disc module and the swing angle driving motor are both arranged on the main board, and the driving wheel, the The moving wheels are all arranged on the side plate; the grinding disc module also includes a grinding disc motor lifting mechanism arranged on the main board, and the grinding disc motor is installed and connected with the main board through the grinding disc motor lifting mechanism; the side plate is also provided with a locking cylinder , the locking cylinder corresponds to the guide curved arm.

In one of the embodiments, a rack is provided on the upper side of the curved guiding arm, and the driving wheel is a gear meshing with the rack.

In one of the embodiments, the mounting base is also provided with an object bearing device, the object bearing device includes a rotary table and a table lifting device for vertically lifting the rotary table; the object receiving device is set Below the grinder mechanism; the rotary table is also provided with a suction cup for clamping the workpiece.

In one of the embodiments, the mounting base is further provided with a transverse guide rail, and the transverse guide rail is provided with a transverse guide rail groove, and the object bearing device is provided with a transverse guide rail that cooperates with the transverse guide rail groove , the transverse guide rail is also provided with a transverse drive motor and a transverse lead screw, and the transverse drive motor is connected with the object-bearing device through the transverse lead screw; the installation base is also provided with a longitudinal guide rail groove, a longitudinal drive motor and A longitudinal lead screw, the transverse guide rail part is provided with a longitudinal guide part cooperating with the longitudinal guide rail groove, and the longitudinal drive motor is connected with the transverse guide rail part through the longitudinal lead screw; the longitudinal guide rail groove and the transverse guide rail groove are connected to each other vertical.

In one of the embodiments, the grinding machine mechanism is hinged with the installation frame, and the swing module includes a swing angle driving motor arranged on the installation frame and is connected with the swing angle drive motor and is driven by the swing angle. An angle-driven screw driven by an angle-driven motor, one end of which is connected to the grinder mechanism.

In one of the embodiments, the grinding machine mechanism is provided with a transverse guide rail groove, a transverse drive motor, a transverse lead screw and a transverse guide rail member guided by the transverse guide rail groove, and the transverse drive motor is connected to the transverse guide rail through the transverse guide rail. The grinding disc module is arranged on the transverse guide rail, and the grinding disc module also includes a disc motor lifting mechanism arranged on the transverse guide rail, and the grinding disc motor connects with the transverse guide rail through the grinding disc motor lifting mechanism Phase installation connection.

In one of the embodiments, the installation base is also provided with a longitudinal drive motor, a longitudinal lead screw and a longitudinal rail groove for guiding the installation frame, and the longitudinal drive motor is connected with the installation frame through the longitudinal lead screw ; The longitudinal guide rail groove and the transverse guide rail groove are perpendicular to each other.

In one of the embodiments, the mounting base is also provided with an object bearing device, the object bearing device includes a rotary table and a table lifting device for vertically lifting the rotary table; the object receiving device is set Below the grinder mechanism; the rotary table is also provided with a suction cup for clamping the workpiece.

The technical solution also provides a beveled edge or peripheral processing machine tool for special-shaped materials, including an installation base, an installation frame vertically arranged on the installation base, a grinder mechanism and a drive grinder mechanism that are movably connected to the installation frame A swing module that rotates relative to the installation frame, the grinder mechanism is connected to the installation mechanism through the swing module; the grinder mechanism includes a grinder base and at least two grinding disc modules arranged on the grinder base, the grinding disc The module includes a grinding motor on the base of the grinding machine and a grinding disc connected to the rotating shaft of the grinding motor; wheel, a driven wheel and a swing angle drive motor that drives the driving wheel, and the guide curved arm is arranged between the driving wheel and the driven wheel and is rollingly connected with the driving wheel and the driven wheel.

The technical solution also provides a beveled edge or peripheral processing machine tool for special-shaped materials, including an installation base, an installation frame vertically arranged on the installation base, a grinder mechanism movably connected with the installation frame, and a driving grinder The mechanism is a swing module that rotates relative to the installation frame, and the grinder mechanism is connected with the installation mechanism through the swing module; the grinder mechanism includes a grinder base and at least two grinding disc modules arranged on the grinder base. The grinder module includes a grinder motor set on the grinder base and a grinder connected to the rotating shaft of the grinder motor; the grinder mechanism is hinged to the installation frame, and the swing module includes a The swing angle driving motor and the swing angle lead screw connected with the swing angle drive motor and driven by the swing angle drive motor, one end of the swing angle lead screw is connected with the grinder mechanism.

Description of drawings

Fig. 1 is a structural schematic diagram of the beveled edge or peripheral processing machine tool for special-shaped materials described in the embodiment of the present invention:

Fig. 2 is a side view of the beveled edge or peripheral processing machine tool for the special-shaped material described in the embodiment of the present invention;

Fig. 3 is a structural schematic diagram of a machine tool for beveling or peripheral processing of special-shaped materials according to an embodiment of the present invention;

Explanation of reference signs:

10, installation base, 110, installation frame, 120, extending cross arm, 130, bearing device, 131, workbench lifting device, 132, rotating workbench, 140, transverse guide rail member, 141, transverse guide rail groove, 150, longitudinal rail groove, 160, guide curved arm, 20, grinder mechanism, 210, grinder base, 211, main board, 212, side plate, 213, drive wheel, 214, driven wheel, 215, swing angle drive motor, 216 , locking cylinder, 217, swing angle screw mandrel, 220, millstone motor, 221, millstone, 230, millstone motor lifting mechanism.

Detailed ways

The embodiment of the utility model will be described in detail below in conjunction with the accompanying drawings.

Please refer to the beveled edge or peripheral processing machine tool for special-shaped materials shown in Figures 1 to 2, including an installation base 10, an installation frame 110 vertically fixed on the installation base 10, and a grinder mechanism that is movably connected to the installation frame 110 20 and a swing module that drives the grinder mechanism 20 to rotate relative to the installation frame 110. The grinder mechanism 20 includes a grinder base 210 and at least two grinder modules arranged on the grinder base 210. The grinder module includes a grinder base. The grinding disc motor 220 on the seat 210 and the grinding disc 221 connected with the rotating shaft of the grinding disc motor 220 . In this embodiment, a total of four groups of grinding disc modules are provided to grind the workpiece. The swing module includes one end fixed on the upper end of the installation frame and guiding the bending arm 160 for guiding the grinding machine mechanism 20, the driving wheel 213 arranged on the grinding machine base 210, the driven wheel 214 and the driving wheel 213 for driving. The swing angle drives the motor 215, and the grinder mechanism 20 is arranged on the guiding curved arm 160 and is guided in motion by the guiding curved arm 160. The guiding curved arm 160 is arranged between the driving wheel 213 and the driven wheel 214 and is rollingly connected with the driving wheel 213 and the driven wheel 214 . The swing angle driving motor 215 is connected with the driving wheel 213 through a reduction box.

The beveled edge or peripheral processing machine tool for special-shaped materials is provided with a grinder mechanism 20 on the guide curved arm 160. Since the driving wheel 213, the driven wheel 214 and the guide curved arm 160 are rollingly connected, the grinder mechanism 20 can be driven by the swing angle driving motor 215. The guiding curved arm 160 moves back and forth with the guiding curved arm 160 as a track. The grinding disc motor 220 that is arranged on the grinding machine mechanism 20 drives the grinding disc 221 to grind the processed workpiece simultaneously, and the movement of the grinding machine mechanism 20 on the guide arm 160 can change the orientation and angle of the grinding disc 221 grinding. In this embodiment, the machine tool for processing the bevel or periphery of special-shaped materials can realize automatic rough grinding, fine grinding and fine grinding of the bevel or periphery of various types of materials, and the batch processing accuracy is highly consistent.

In this embodiment, the grinding machine base 210 includes a main board 211 and two side plates 212 respectively arranged at two ends of the main board 211, and the grinding disc module and the swing angle driving motor 215 are both arranged on the main board 211, so Both the driving wheel 213 and the driven wheel 214 are arranged on the side plate 212 . The installation frame 110 is provided with two sets of guiding curved arms 160 corresponding to the side plates 212 at both ends of the main board 211 , and each side plate 212 is provided with a driving wheel 213 and a driven wheel 214 . The driving motor makes the driving wheel 213 rotate, and the driving wheel 213 abuts against the upper side of the guiding curved arm 160, so driven by the swing angle driving motor 215, the grinding disc 221 can adjust its position and angle according to the track of the guiding curved arm 160 . In this embodiment, the guide arm 160 is a quarter arc, so that the grinding disc 221 can be adjusted within 45 degrees. In other embodiments, the curved guiding arm 160 may be a semicircle or a three-quarter arc, etc., depending on actual needs.

Described mounting frame 110 is also provided with extending cross arm 120, and described guide curved arm 160 is connected with mounting frame 110 by extending cross arm 120, and described extending cross arm 120, guiding curved arm 160 and grinder The mechanisms 20 are all arranged above the installation base 10 . One end of the guiding curved arm 160 is fixed to the extended cross arm 120, and the other end protrudes outwards, and is arranged above the mounting base 10, so as to facilitate grinding of the workpiece.

The grinding disc module also includes a grinding disc motor lifting mechanism 230 arranged on the main board 211. The grinding disc motor lifting mechanism 230 can use a cylinder or a screw rod to realize the lifting function. The disc motor 220 is installed and connected to the main board 211 through the disc motor elevating mechanism 230 . The grinding disc motor lifting mechanism 230 is set on the main board 211 to control the lifting operation of the grinding disc motor 220 and the grinding disc 221, which can control the grinding feed rate, and cooperate with the moving track of the guiding arm 160 to carry out more precise control. In this embodiment, the side plate 212 is further provided with a locking cylinder 216 corresponding to the guiding curved arm 160 . The locking cylinder 216 is provided, and when the grinding disc 221 needs to be fixed at a specific position of the guiding arm 160 to work, the grinding machine mechanism 20 and the guiding arm 160 can be locked by pushing out the locking cylinder 216 and pressing the guiding arm 160 . In this embodiment, a rack is provided on the upper side of the curved guiding arm 160 , and the driving wheel 213 is a gear that meshes with the rack.

The mounting base 10 is also provided with a bearing device 130, the bearing device 130 includes a rotary table 132 and a table lifting device 131 (Z-axis direction lifting control) for vertically lifting the rotary table 132, The workbench lifting device 131 can use a cylinder or a lead screw to realize lifting control; the object bearing device 130 is arranged below the grinder mechanism 20; the rotary workbench 132 is also provided with a suction cup for clamping the workpiece .

The installation base 10 is also provided with a transverse rail member 140, and the transverse guide rail member 140 is provided with a transverse guide rail groove 141 (X-axis linear guide rail). As for the matching transverse guide rail, the transverse guide rail 140 is also provided with a transverse drive motor and a transverse lead screw, and the transverse drive motor is connected to the object-bearing device 130 through the transverse lead screw. The transverse drive motor is connected with the transverse lead screw through a reducer.

The installation base 10 is also provided with a longitudinal guide rail groove 150 (Y-axis linear guide rail), a longitudinal drive motor and a longitudinal lead screw, and the transverse guide rail member 140 is provided with a longitudinal guide member that cooperates with the longitudinal guide rail groove 150 , the longitudinal drive motor is connected to the transverse guide rail member 140 through a longitudinal lead screw. The longitudinal rail groove 150 and the transverse rail groove 141 are perpendicular to each other. In this embodiment, the driving motors used are all servo motors. The longitudinal drive motor is connected with the longitudinal lead screw through a reducer.

In other embodiments, the grinding machine mechanism 20 may also be provided with a transverse guideway groove 141, a transverse drive motor, a transverse lead screw and a transverse guideway member 140 guided by the transverse guideway groove 141, and the transverse drive motor passes through the transverse wire The bar is connected to the transverse rail member 140 . At the same time, a longitudinal guide rail groove 150 is provided between the installation base 10 and the installation frame 110, and the installation base 10 is also provided with a longitudinal drive motor, a longitudinal lead screw and a longitudinal guide rail groove 150 for guiding the installation frame 110. The longitudinal drive motor is connected to the installation frame 110 through a longitudinal lead screw; the longitudinal guide rail groove 150 and the transverse guide rail groove 141 are perpendicular to each other. At this time, the grinding disc module is arranged on the horizontal guide rail 140, and the grinding disc module also includes a grinding disc motor lifting mechanism 230 arranged on the transverse guide rail 140, and the grinding disc motor 220 passes through the grinding disc motor lifting mechanism 230. It is installed and connected with the transverse rail member 140 . On the one hand, the grinding machine mechanism 20 can move back and forth according to the track of the guiding curved arm 160 to change the grinding angle of the workpiece. Simultaneously, the grinding disc module moves back and forth along the transverse guide rail groove 141 under the guidance of the transverse guide rail groove 141 , and the installation frame 110 moves back and forth along the direction of the longitudinal guide rail groove 150 under the guidance of the longitudinal guide rail groove 150 .

Driven by the swing angle drive motor 215 , the grinding disc 221 can be adjusted in orientation and angle according to the trajectory of the guiding arm 160 , and the processing angle of the grinding disc 221 can be changed. The locking cylinder locks the guiding curved arm 160 after the angle of the grinding disc 221 is adjusted, and the grinding disc motor lifting mechanism 230 drives the grinding disc motor 220 to move up and down, thereby adjusting the grinding amount of the grinding disc 221. A suction cup or a special fixture is installed on the rotary table 132, and a table lifting device 131 is arranged under the rotary table 132, and a lead screw connected to an X-axis and a Y-axis servo motor is respectively arranged under the table lifting device 131, and is respectively driven on the X axis. Do cross movement on the linear guide rail of axis and Y axis.

Fix the workpiece to be processed on the rotary table 132 through the suction cup, convert the CAD graphics of the workpiece into machine codes through the control system, control the servo motors of the X/Y/Z axes, and start the connected lead screws respectively. The rotary table 132 takes the four common grinding discs 221 as starting points respectively, and moves on the linear guide rails according to their respective trajectories. The grinding disc motor 220 is installed on the guide curved arm 160 with the grinding disc 221. According to the customer's requirements, the swing angle driving motor 215 drives the grinding disc module to adjust the working angle of the grinding disc 221 on the guiding curved arm 160. After locking the cylinder to fix the guiding curved arm 160, start The workpiece is processed through rough grinding, fine grinding, ultra-fine grinding and polishing. The four grinding disc motors 220 can quickly and automatically change the grinding wheel, and process special-shaped beveled edge/peripheral products with uniform and complex shapes and sizes, which has high efficiency and effectively saves labor costs. The code of the control system and the cad graphics conversion machine can adopt the mature existing technology.

Embodiment two

The structure of the beveled edge or peripheral processing machine tool for special-shaped materials in the second embodiment is roughly the same as that of the beveled edge or peripheral processing machine tool for special-shaped materials described in the first embodiment, except that:

Referring to Fig. 3, the grinding machine mechanism 20 is hinged with the installation frame 110, and the swing module includes a swing angle driving motor 215 arranged on the installation frame and is connected with the swing angle drive motor 215 and is formed by The swing angle driving motor 215 drives the swing angle lead screw 217 , and one end of the swing angle lead screw 217 is connected with the grinder mechanism 20 . The positive and negative rotation of the swing angle lead screw 217 driven by the swing angle drive motor 215, the swing angle lead screw 217 can drive the grinder mechanism 20 to swing back and forth around the hinge of the grinder mechanism 20 and the mounting frame 110, thereby adjusting the grinder mechanism 20 The grinding angle of the workpiece. Certainly, in other embodiments, the swing module can also be a structural member such as an air cylinder capable of realizing the function of retracting and contracting back and forth.

The grinding machine mechanism 20 is provided with a transverse guide rail groove 141, a transverse drive motor, a transverse lead screw and a transverse guide rail member 140 guided by the transverse guide rail groove 141, and the transverse drive motor is connected to the transverse guide rail member 140 through a transverse lead screw. connect. The grinding disc module is arranged on the horizontal guide rail 140, and the grinding disc module also includes a grinding disc motor elevating mechanism 230 arranged on the lateral guide rail 140, and the grinding disc motor 220 is connected to the lateral guide rail by the grinding disc motor elevating mechanism 230. Part 140 is installed and connected.

The installation base 10 is also provided with a longitudinal drive motor, a longitudinal lead screw and a longitudinal rail groove 150 for guiding the installation frame, and the longitudinal drive motor is connected with the installation frame 110 through the longitudinal lead screw. The longitudinal rail grooves and the transverse rail grooves are perpendicular to each other. The disc module also includes a disc motor elevating mechanism 230 disposed on the transverse guide rail 140 , and the disc motor 220 is mounted and connected to the transverse guide rail 140 through the disc motor elevating mechanism 230 . On the one hand, the grinder mechanism 20 can move back and forth driven by the swing angle drive motor to change the grinding angle of the workpiece. Simultaneously, the grinding disc module moves back and forth along the transverse guide rail groove 141 under the guidance of the transverse guide rail groove 141 , and the installation frame 110 moves back and forth along the direction of the longitudinal guide rail groove 150 under the guidance of the longitudinal guide rail groove 150 .

The mounting base 10 is also provided with an object bearing device 130, the object bearing device 130 includes a rotary table 132 and a table lifting device 131 for vertically lifting the rotary table 132; the object receiving device 130 is set with the grinder mechanism 20 underneath. The rotary table 132 is also provided with a suction cup for clamping the workpiece.

The above-mentioned embodiments only express several implementations of the utility model, and the description thereof is relatively specific and detailed, but it should not be construed as limiting the patent scope of the utility model. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention, and these all belong to the protection scope of the present invention.

Claims (10)

1. A beveled edge or peripheral processing machine tool for special-shaped materials, characterized in that it comprises a mounting base, a mounting frame vertically arranged on the mounting base, a grinder mechanism movably connected with the mounting frame and a drive grinder The mechanism is a swing module that rotates relative to the installation frame, and the grinder mechanism is connected with the installation mechanism through the swing module; the grinder mechanism includes a grinder base and at least two grinding disc modules arranged on the grinder base. The grinding disc module includes a grinding disc motor arranged on the grinding machine base and a grinding disc connected with the rotating shaft of the grinding disc motor. 2. The machine tool for beveling or peripheral processing of special-shaped materials according to claim 1, wherein the swing module includes a guide arm with one end fixed on the upper end of the installation frame, and a driving wheel arranged on the base of the grinding machine , a driven wheel and a swing angle drive motor that drives the driving wheel, the guide curved arm is arranged between the driving wheel and the driven wheel and is rollingly connected with the driving wheel and the driven wheel. 3. The machine tool for beveling or peripheral processing of special-shaped materials according to claim 2, wherein the grinding machine base comprises a main board and two side plates respectively arranged at two ends of the main board, and the grinding disc module and the pendulum Angle drive motors are all arranged on the main board, and the driving wheel and driven wheel are all arranged on the side plate; the grinding disc module also includes a grinding disc motor lifting mechanism arranged on the main board, and the grinding disc motor is connected to The main board is installed and connected; the side plate is also provided with a locking cylinder corresponding to the guide arm. 4. The machine tool for beveling or peripheral processing of special-shaped materials according to claim 3, wherein a rack is provided on the upper side of the guide arm, and the driving wheel is a gear meshing with the rack. 5. The machine tool for beveling or peripheral processing of special-shaped materials according to claim 4, characterized in that, the mounting base is also provided with a bearing device, and the bearing device includes a rotary table and a rotary table. A vertical lifting workbench lifting device; the object bearing device is arranged under the grinder mechanism; the rotary workbench is also provided with a suction cup for clamping the workpiece. 6. The special-shaped material hypotenuse or peripheral processing machine tool according to claim 5, characterized in that, the installation base is also provided with a transverse guide rail, and the transverse guide rail is provided with a transverse guide rail groove, and the bearing The device is provided with a transverse guide rail that cooperates with the transverse guide rail groove, and the transverse guide rail is also provided with a transverse drive motor and a transverse lead screw, and the transverse drive motor is connected with the object-bearing device through the transverse lead screw; The mounting base is also provided with a longitudinal guide rail groove, a longitudinal drive motor and a longitudinal lead screw. The guide rail pieces are connected; the longitudinal guide rail groove and the transverse guide rail groove are perpendicular to each other. 7. The machine tool for beveling or peripheral processing of special-shaped materials according to claim 1, wherein the grinder mechanism is hinged to the installation frame, and the swing module includes a swing angle set on the installation frame The drive motor and the swing angle lead screw are connected with the swing angle drive motor and driven by the swing angle drive motor, and one end of the swing angle lead screw is connected with the grinder mechanism. 8. The beveled edge or peripheral processing machine tool for special-shaped materials according to claim 2 or 7, characterized in that, the grinding machine mechanism is provided with a transverse guideway groove, a transverse drive motor, a transverse lead screw and is guided by the transverse guideway groove The transverse guide rail part, the transverse drive motor is connected with the transverse guide rail part through the transverse lead screw; A motor lifting mechanism, the grinding disc motor is installed and connected with the transverse guide rail through the grinding disc motor lifting mechanism. 9. The machine tool for beveling or peripheral processing of special-shaped materials according to claim 8, characterized in that, the mounting base is also provided with a bearing device, and the bearing device includes a rotary workbench and a rotating workbench. A vertical lifting workbench lifting device; the object bearing device is arranged below the grinder mechanism; the rotary workbench is also provided with a suction cup for clamping the workpiece. 10. A machine tool for beveling or peripheral processing of special-shaped materials, characterized in that it includes an installation base, an installation frame vertically arranged on the installation base, a grinder mechanism movably connected with the installation frame, and a drive grinder The mechanism is a swing module that rotates relative to the installation frame, and the grinder mechanism is connected with the installation mechanism through the swing module; the grinder mechanism includes a grinder base and at least two grinding disc modules arranged on the grinder base. The grinder module includes a grinder motor set on the grinder base and a grinder connected to the rotating shaft of the grinder motor; the grinder mechanism is hinged to the installation frame, and the swing module includes a The swing angle driving motor and the swing angle lead screw connected with the swing angle drive motor and driven by the swing angle drive motor, one end of the swing angle lead screw is connected with the grinder mechanism.