CN216633703U

CN216633703U - Intelligent unthreaded hole machine tool

Info

Publication number: CN216633703U
Application number: CN202220215133.0U
Authority: CN
Inventors: 杨佳葳; 李红春; 颜真; 吴蔚
Original assignee: Yujing Machine Changsha Co ltd
Current assignee: Yujing Machine Changsha Co ltd
Priority date: 2022-01-26
Filing date: 2022-01-26
Publication date: 2022-05-31
Anticipated expiration: 2032-01-26

Abstract

The utility model discloses an intelligent unthreaded hole machine tool which comprises a rack, wherein a lower disc device is arranged on the rack, and an upper disc device is arranged above the lower disc device; the upper disc device comprises a frame plate, and a plurality of groups of polishing devices moving up and down are arranged on the frame plate; an operation hole matched with the up-and-down moving polishing device is formed on the frame plate; the up-and-down moving polishing device comprises a Z-axis servo drive, the Z-axis servo drive is connected with a high-speed motorized spindle, and the high-speed motorized spindle is connected with a polishing tool bit; the lower disc device comprises a lower support, a rotating device is installed on the lower support and connected with a rotating disc, a waterproof cover is fixed on the rotating disc, and a plurality of XY rotating devices are fixed in the waterproof cover along the circumferential direction. The utility model adopts a multi-station design, can automatically change tools, adopts two-shaft linkage of the lower platform station device, and can realize rotation and revolution linkage rotation design, thereby improving the production efficiency of products, being convenient for changing tools and polishing modes according to requirements and improving the yield.

Description

Intelligent unthreaded hole machine tool

Technical Field

The utility model relates to the field of machinery, in particular to an intelligent unthreaded hole machine tool.

Background

With the rapid development of intelligent display terminal equipment represented by smart phones, the market demands of various smart phones and intelligent wearable equipment are increasing, and the products are updated more and more quickly. Various manufacturers continuously put forward new concept screens mainly made of special-shaped hard materials, wherein the D, D curved glass back plate is most fierce in trend and has the best market prospect. In the production process of the curved glass back plate, the indispensable grinding and polishing of the hole wall of the camera is involved, which is also an important process, but in the current polishing industry of the hole wall of the glass substrate plate, the traditional equipment process cannot effectively meet the current porous wall, high-precision and large-range polishing requirements, and the problems of low efficiency, high cost and poor stability generally exist. Therefore, a new generation of multi-station hole-polishing equipment is produced. At present, the following problems mainly exist in the polishing industry of special-shaped hard materials: the stations are few, and the yield is low; insufficient removal, long polishing time, also resulting in low yield; the removal amount is not controllable, the surface is uneven, and the defective product rate of products is high; polishing dead corners exist, partial areas of products cannot be polished, and the defective product rate is high; aiming at the main problems, an intelligent multi-station hole polishing machine tool is developed.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model provides an intelligent unthreaded hole machine tool. The utility model adopts a multi-station design, can automatically change tools, adopts two-shaft linkage of the lower platform station device, and can realize rotation and revolution linkage rotation design, thereby improving the production efficiency of products, being convenient for changing tools and polishing modes according to requirements and improving the yield.

In order to achieve the technical effects, the technical scheme of the utility model is as follows:

an intelligent unthreaded hole machine tool comprises a rack, wherein a lower disc device is arranged on the rack, and an upper disc device is arranged above the lower disc device; the upper disc device comprises a frame plate, and a plurality of groups of polishing devices which move up and down are arranged on the frame plate; an operation hole matched with the up-and-down moving polishing device is formed on the frame plate; the up-and-down moving polishing device comprises a Z-axis servo drive, the Z-axis servo drive is connected with a high-speed motorized spindle, and the high-speed motorized spindle is connected with a polishing tool bit; the lower disc device comprises a lower support, a rotating device is mounted on the lower support and connected with a rotating disc, a waterproof cover is fixed on the rotating disc, and a plurality of XY self-rotating devices are fixed in the waterproof cover along the circumferential direction; the sand blasting component is arranged in cooperation with the XY autorotation device. Still install electric control system and lubricating system in the frame, sandblast subassembly and buckler all communicate there is the grinding fluid circulation system.

Further improvement, install the cutter head seat on the frame board, be connected with the blade disc cylinder on the cutter head seat, the blade disc cylinder be connected with blade disc seat sliding connection's motion board, the motion board is connected with the motor, and the motor is connected with the blade disc, has inserted a plurality of polishing tool bits on the blade disc.

In a further improvement, a liquid receiving disc is fixed at the bottom of the waterproof cover, and a plurality of pipelines communicated with the liquid receiving disc are arranged on the bottom surface of the waterproof cover.

The improved structure is characterized in that the rotating device is a direct drive motor, a slip ring connecting seat is installed in the direct drive motor, the top of the slip ring connecting seat is connected with a turntable, and the bottom of the slip ring connecting seat is connected with an electric slip ring; the direct drive motor is electrically connected with a servo driver

In a further improvement, an origin induction sheet is installed at the eccentric position of the turntable, and an external inductor is installed by matching with the origin induction sheet.

In a further improvement, the origin induction sheet is a magnet or an infrared emitter; the external sensor is a magnetic sensor or an infrared receiver; the external inductor or the origin induction sheet is arranged corresponding to the XY self-rotating device.

The XY rotation device comprises a servo motor, the servo motor is connected with a small synchronous wheel, and the small synchronous wheel is connected with a large synchronous gear through a transmission belt in a transmission manner; the servo motor is arranged on the motor mounting plate, and bases are arranged on two sides of the motor mounting plate; the large synchronous gear is connected with a rotating main shaft through a flat key and a clamp spring, and a bearing seat is arranged on the periphery of the rotating main shaft; a pair of duplex angular contact ball bearings are mounted at the lower end of the interior between the rotating main shaft and the bearing seat, a cylindrical roller bearing is mounted at the lower end of the interior between the rotating main shaft and the bearing seat, and a bearing pad is mounted on the lower end surface of the cylindrical roller bearing; a bearing spacer bush is arranged between the cylindrical roller bearing and the duplex angular contact ball bearing; the lower end of the rotating main shaft is connected with an inner ring of the duplex angular contact ball bearing through a small round nut; the lower end faces of the outer ring of the duplex angular contact ball bearing and the bearing seat are provided with bearing glands; the end surface of the lower end of the rotating main shaft is connected with a slip ring mounting plate, the end surface of the lower end of the slip ring mounting plate is connected with an electrical slip ring, and a slip ring bracket is arranged below the electrical slip ring; the upper end surface of the rotating main shaft is connected with a self-loading disc; the lower terminal surface of rotation year dish is connected with waterproof maze panel beating, and the up end is connected with the module backing plate, and module backing plate up end is connected with X axle module, and X axle module is connected with Y axle module through the module connecting plate, and Y axle module is connected with the tool subassembly through the hanging wall board, and the peripheral buckler that is connected with of terminal surface under the hanging wall board, the peripheral silica gel tarpaulin that has pasted of buckler.

The utility model has the beneficial effects that:

1. the multi-station design is adopted, the multi-station design is simply improved, the station can be set according to the customer requirements, one-piece products can be processed at one time, and the consumable materials of the polishing grinding head can be automatically changed; most of the existing products in the market are designed in a single station or double stations, and a single grinding head is difficult to meet the complex requirements of mass multi-process production;

2. by adopting a series of special designs, the equipment can not only effectively meet the requirement of mass production of common regular hard materials such as plane glass, also called D glass, but also has the greater advantage of meeting the requirement of mass production of special-shaped hard materials such as D curved glass;

3. the lower platform station device adopts two-shaft linkage and can be designed to rotate in a linkage manner through rotation and revolution. The waterproof liquid circulation system that connects of pertinence design can promote water-proof effects by a wide margin, easily deals with various complicated operating modes, the uniformity of product when having guaranteed batch production has solved the problem of difficult polishing.

Drawings

FIG. 1 is a schematic perspective view of an intelligent drilling machine;

FIG. 2 is a first structural diagram of the upper disc device;

FIG. 3 is a second structural schematic diagram of the upper disc device;

FIG. 4 is a schematic perspective view of the lower tray device;

FIG. 5 is a schematic cross-sectional view of the lower plate device;

FIG. 6 is a schematic structural view of the XY rotating device;

fig. 7 is a schematic cross-sectional structure of the XY rotation device.

Detailed Description

The technical solution of the present invention is specifically described below with reference to the following embodiments and accompanying drawings.

An intelligent unthreaded hole machine tool as shown in fig. 1-3 comprises a frame 3, a lower disc device 1 is arranged on the frame 3, and an upper disc device 2 is arranged above the lower disc device 1; the upper disc device 2 comprises a frame plate 201, and a plurality of groups of up-and-down moving polishing devices 202 are arranged on the frame plate 201; an operation hole 203 matched with the up-and-down moving polishing device 202 is formed on the frame plate 201; the up-and-down moving polishing device 202 comprises a Z-axis servo driver 204, the Z-axis servo driver 204 is connected with a high-speed motorized spindle 205, and the high-speed motorized spindle 205 is connected with a polishing tool bit 209; the lower disc device 1 comprises a lower support 106, a rotating device is mounted on the lower support 106 and connected with a rotating disc 103, a waterproof cover 102 is fixed on the rotating disc 103, and a plurality of XY self-rotating devices 8 are fixed in the waterproof cover 102 along the circumferential direction; the sandblast component 4 is installed by matching with the XY rotation device 8.

The frame 3 is also provided with an electric control system 5 and a lubricating system 6, and the sand blasting assembly 4 and the waterproof cover 102 are both communicated with a grinding fluid circulating system 7; a cutter head seat 206 is mounted on the frame plate 201, a cutter head cylinder 207 is connected to the cutter head seat 206, the cutter head cylinder 207 is connected with a moving plate 210 which is in sliding connection with the cutter head seat 206, the moving plate 210 is connected with a motor, the motor is connected with a cutter head 208, and a plurality of polishing cutter heads 209 are inserted into the cutter head 208. A liquid receiving disc 104 is fixed at the bottom of the waterproof cover 102, and a plurality of pipelines communicated with the liquid receiving disc 104 are arranged on the bottom surface of the waterproof cover 102. Basic connection relation:

as shown in fig. 4 and 5, the lower disc device is mounted on the frame, the upper disc device is mounted on the frame, the grinding fluid circulating system is arranged on the right rear side of the machine table, the electric control system is mounted on the rear upper portion of the machine cover, and the lubricating system is mounted on the right rear side of the frame. The polishing spindles contained in the upper disc device and the waterproof rotary table device of the intelligent multi-station hole polishing machine tool contained in the lower disc device correspond to each other in sequence and keep concentric.

Wherein the disk feeding device comprises a group Z-axis up-and-down moving polishing device and a group rotating translation tool changing device. Basic connection relation:

the Z-axis servo drive is fixed on the bracket; the Z-axis motion guide mechanism is fixed on the bracket through a sliding rail and a sliding block, and a screw rod transmission device is arranged in the Z-axis motion guide mechanism; the high-speed electric main shaft is fixed on the motion guide mechanism, and the Z-axis servo motor controls the screw rod to control the main shaft to move up and down in a transmission manner; the cutter head is in servo connection with the cutter head; the cutter head and the motor are fixed on the moving plate; the moving plate is fixed on the cutter head seat through the sliding rail sliding block, the transverse moving cylinder device is arranged in the moving plate, the cutter head can be arranged to finish rotating and transverse moving cutter changing actions on an ISO standard cutter handle grinding head, a button is arranged near each polishing station to control the cutter changing actions, the sand pipe assembly is installed on the large platen, and the sand blasting port is sequentially aligned to each polishing station.

The basic connecting device of the lower disc device comprises the following parts:

the XY rotation device is arranged on the turntable; the turntable motor is arranged on the lower support; the turntable is arranged on the turntable motor and can control the large disc to rotate and change over stations; two layers of linear motion modules are arranged in the XY self-rotation device, and a servo connected with a self-rotation motor is arranged below the XY self-rotation device, so that the movement in the XY direction and the rotation motion of the XY self-rotation device can be realized; the liquid blocking cover is arranged on the XY rotation device; the waterproof cover is arranged on the turntable and rotates along with the turntable; the liquid receiving disc II is arranged on the lower support; the grinding fluid flows through the waterproof cover from the fluid blocking cover and then flows through the fluid receiving plate II and then enters the recovery system.

The lower disc device is installed on the frame, the upper disc device is installed on the frame, the grinding fluid circulating system is arranged on the right rear side of the machine table, the electric control system is installed on the rear upper portion of the machine cover, and the lubricating system is installed on the right rear side of the frame. The polishing main shafts contained in the upper disc device and the waterproof rotary table devices of the intelligent multi-station hole polishing machine tool contained in the lower disc device correspond to each other in sequence and keep concentric Z-axis servo drive to be fixed on the support; the Z-axis motion guide mechanism is fixed on the bracket through a sliding rail and a sliding block, and a screw rod transmission device is arranged in the Z-axis motion guide mechanism; the high-speed electric main shaft is fixed on the motion guide mechanism, and the Z-axis servo motor controls the screw rod to control the main shaft to move up and down in a transmission manner; the cutter head is in servo connection with the cutter head; the cutter head and the motor are fixed on the moving plate; the moving plate is fixed on the cutter head seat through the sliding rail sliding block, the transverse moving cylinder device is arranged in the moving plate, the cutter head can be arranged to finish rotating and transverse moving cutter changing actions on an ISO standard cutter handle grinding head, a button is arranged near each polishing station to control the cutter changing actions, the sand pipe assembly is installed on the large platen, and the sand blasting port is sequentially aligned to each polishing station. The turntable motor is arranged on the lower support; the turntable is arranged on the turntable motor and can control the large disc to rotate and change over stations; two layers of linear motion modules are arranged in the XY rotation device, and a rotation motor connecting servo is arranged below the XY rotation device, so that the movement in the XY direction and the rotation motion of the XY rotation device can be realized.

The upper disc device and the lower disc device are designed in a multi-station mode, and each station can move independently, so that the productivity can be greatly improved.

The lower platform device adopts a waterproof and multi-shaft independent rotating design, so that the waterproof effect can be greatly improved, and various complex working conditions can be easily dealt with; the consistency of products in batch production can be ensured;

the control mode of four-axis linkage of moving in the XYZ direction and rotating on the R axis is adopted, so that the components can be precisely matched, and the difficult problem of the industry of difficult hole polishing is solved.

The grinding fluid circulating system is adopted, so that the grinding fluid can be recycled, and the production cost is greatly reduced;

by adopting the intelligent automatic lubricating system, the service life of the equipment can be greatly prolonged, and the maintenance cost of customers is reduced, so that the production cost is further reduced.

By adopting the tool changing system, automatic tool changing of the equipment can be realized, and the tool changing system is suitable for complex processing occasions with multiple consumables, multiple processes and the like.

The basic working principle, taking the specific implementation as an example:

1. feeding: the turntable loading station is stopped at a loading position, and an operator places a plurality of workpieces in the jig and presses a start button;

2. hole polishing: after the feeding is finished, the turntable rotates to a polishing position I; the sand pipe assembly is automatically opened, and each sand blasting port is aligned to the corresponding workpiece in the jig and automatically sprays grinding fluid; .

The polishing spindle moves downwards along with the motion guide plate until the polishing heads have various polishing heads which fall to proper positions according to different process requirements; starting the polishing main shaft and starting to rotate at a high speed; under the control of the control device, the polishing main shaft moves in the Z-axis direction, the workpiece moves in the X-axis direction, the Y-axis direction and the R-axis direction, and the polishing main shaft forms a four-axis linkage effect relative to the workpiece.

3. Blanking: after polishing, the turntable moves the machining station to the front blanking position, and an operator takes out the machined workpiece and puts a new workpiece to be machined.

4. In the polishing process, all grinding fluid is collected by the waterproof cover rotating along with the rotary disc, the grinding fluid directly flows into the fixed liquid receiving disc through the pipeline and then flows into the grinding fluid circulating system, and the grinding fluid flows out to be sprayed out of the sand pipe assembly for cyclic utilization.

In the lower disc device, the rotating device is a direct drive motor 110, a slip ring connecting seat 109 is installed in the direct drive motor 110, the top of the slip ring connecting seat 109 is connected with the rotating disc 103, and the bottom is connected with an electric slip ring 107 (the electric slip ring is a special device which is applied in the rotating motion and used for ventilating and passing wires, and belongs to a purchasing part); the direct drive motor 110 is electrically connected to the servo driver 108. An origin induction piece 105 is installed at an eccentric position of the turntable 103, and an external inductor is installed in cooperation with the origin induction piece 105.

The origin induction sheet 105 is a magnet or an infrared emitter; the external sensor is a magnetic sensor or an infrared receiver; an external inductor or origin induction piece 105 is provided corresponding to the XY rotation device 8.

When the lower disc device runs, the lower support is arranged on the external frame and is fixed; the direct drive motor is fixed on the lower support; the direct drive motor drives the turntable to rotate; the turntable drives the XY autorotation device, the waterproof cover and the servo driver to be connected with the turntable to synchronously rotate; the turntable drives the original point induction sheet to synchronously rotate, and the original point induction sheet monitors the rotation angle of the turntable through the action of the external inductor, so that high-precision rotation is realized.

The turntable is in a disc shape and is provided with five stations, wherein any one station can be a feeding and discharging station; the angle of rotation of carousel is the degree at every turn, then carries out unloading once, starts multistation work after rotating the quartic in succession, has improved efficiency and productivity.

Grinding fluid flows into the waterproof cover from the workpiece, the bottom surface of the waterproof cover is provided with a plurality of fluid outlets, each fluid outlet is connected with a pipeline extending into the fluid receiving disc, the grinding fluid can be effectively prevented from splashing out of the fluid receiving disc, and meanwhile, the side wall of the waterproof cover can prevent the grinding fluid from splashing to the periphery; the liquid receiving disc is connected with the lower support.

The servo driver improves the positioning precision of the XY rotation device by controlling a servo motor in the XY rotation device.

The electric slip ring can transmit external electricity into the lower disc device, and can transmit external vacuum gas to the XY rotation device.

By integrating the five points, the workpiece can be accurately positioned before the polished hole; under the multifunctional action of the electric slip ring, the pipeline for transmitting electricity and vacuum to the lower disc device from the outside is not influenced by the rotation of the turntable, and the electric slip ring transmits the electricity or the vacuum to the servo driver or the pipeline for transmitting the vacuum to the XY self-rotation device to rotate along with the turntable; the grinding fluid can not splash around the lower disk device in the process of entering the grinding fluid circulating system.

As shown in fig. 6 and 7, the XY rotation device 8 includes a servo motor 807, the servo motor 807 is connected with a small synchronizing wheel 804, and the small synchronizing wheel 804 is connected with a large synchronizing gear 819 through a transmission belt 805; the servo motor 807 is arranged on the motor mounting plate 806, and the bases 803 are arranged on two sides of the motor mounting plate 806; the large synchronizing gear 819 is connected with a rotating main shaft 813 through a flat key 823 and a clamp spring 28, and a bearing seat 816 is arranged on the periphery of the rotating main shaft 813; a pair of duplex angular contact ball bearings 821 is arranged at the lower end of the interior between the rotating main shaft 813 and the bearing seat 816, a cylindrical roller bearing 815 is arranged at the lower end of the interior between the rotating main shaft 813 and the bearing seat 816, and a bearing pad 820 is arranged on the lower end surface of the cylindrical roller bearing 815; a bearing spacer 817 is arranged between the cylindrical roller bearing 815 and the duplex angular contact ball bearing 821; the lower end of the rotating main shaft 813 is connected with the inner ring of the duplex angular contact ball bearing 821 through a small round nut 822; a bearing gland 818 is arranged on the lower end faces of the outer ring of the duplex angular contact ball bearing and the bearing seat 816; the lower end face of the rotating main shaft 813 is connected with a slip ring mounting plate 824, the lower end face of the slip ring mounting plate 824 is connected with an electrical slip ring 107, and a slip ring bracket 808 is arranged below the electrical slip ring; the upper end surface of the rotating main shaft 813 is connected with a self-loading disc 812; the lower terminal surface from year dish 812 is connected with waterproof maze panel beating 814, and the up end is connected with module backing plate 826, and module backing plate 826 up end is connected with X axle module 811, and X axle module 811 is connected with Y axle module 810 through module connecting plate 829, and Y axle module 810 is connected with tool subassembly 801 through last dish board 809, and the periphery of going up dish board 809 lower terminal surface is connected with buckler 102, and the periphery of buckler 102 is pasted with silica gel tarpaulin 802. The jig assembly 801 has a number of products 830 mounted thereon.

When the dual-angle-contact ball bearing is used, the small synchronous wheel and the synchronous belt which are arranged on the output shaft of the servo motor are driven to output to the large synchronous wheel, the large synchronous wheel and the rotating main shaft rotate in the inner rings of the cylindrical roller bearing and the dual-angle-contact ball bearing, and the upper end face of the rotating main shaft is connected with the self-loading disc so as to drive the whole self-rotation assembly to rotate.

An X-axis module and a Y-axis module are connected to the upper end face of the self-rotating load disc, free moving space on a horizontal plane can be provided for the jig assembly, products with multiple unthreaded holes need to be processed and subjected to tool setting, and the automatic compensation function is achieved.

The lower end of the electric slip ring is fixed and is simultaneously connected with an external vacuum suction negative pressure and a control circuit, and the upper floating end of the electric slip ring is connected with the rotating main shaft through the slip ring mounting plate, so that the electric control and the vacuum suction negative pressure can be provided when the rotating main shaft works.

The above description is only one specific guiding embodiment of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modification of the present invention using this concept shall fall within the scope of the utility model.

Claims

1. An intelligent unthreaded hole machine tool is characterized by comprising a rack (3), wherein a lower disc device (1) is arranged on the rack (3), and an upper disc device (2) is arranged above the lower disc device (1); the upper disc device (2) comprises a frame plate (201), and a plurality of groups of polishing devices (202) which can move up and down are arranged on the frame plate (201); an operation hole (203) matched with the up-and-down moving polishing device (202) is formed on the frame plate (201); the up-and-down moving polishing device (202) comprises a Z-axis servo drive (204), the Z-axis servo drive (204) is connected with a high-speed electric spindle (205), and the high-speed electric spindle (205) is connected with a polishing tool bit (209); the lower disc device (1) comprises a lower support (106), a rotating device is mounted on the lower support (106), the rotating device is connected with a rotating disc (103), a waterproof cover (102) is fixed on the rotating disc (103), and a plurality of XY self-rotating devices (8) are fixed in the waterproof cover (102) along the circumferential direction; the sand blasting component (4) is arranged in cooperation with the XY rotation device (8).

2. The intelligent unthreaded hole machine tool according to claim 1, characterized in that an electric control system (5) and a lubricating system (6) are further mounted on the machine frame (3), and the sandblasting assembly (4) and the waterproof cover (102) are both communicated with a grinding fluid circulating system (7).

3. The intelligent unthreaded hole machine tool according to claim 1, characterized in that a cutter head seat (206) is mounted on the frame plate (201), a cutter head cylinder (207) is connected on the cutter head seat (206), the cutter head cylinder (207) is connected with a moving plate (210) which is connected with the cutter head seat (206) in a sliding manner, the moving plate (210) is connected with a motor, the motor is connected with a cutter head (208), and a plurality of polishing cutter heads (209) are inserted on the cutter head (208).

4. An intelligent unthreaded hole machine tool according to claim 1, wherein a liquid receiving disc (104) is fixed at the bottom of the waterproof cover (102), and a plurality of pipelines communicated with the liquid receiving disc (104) are arranged on the bottom surface of the waterproof cover (102).

5. An intelligent unthreaded hole machine tool according to claim 1, wherein the rotating device is a direct drive motor (110), a slip ring connecting seat (109) is installed in the direct drive motor (110), the top of the slip ring connecting seat (109) is connected with the turntable (103), and the bottom is connected with an electric slip ring (107); the direct drive motor (110) is electrically connected to a servo drive (108).

6. An intelligent unthreaded hole machine tool according to claim 1, wherein, the eccentric position of carousel (103) installs origin response piece (105), cooperates with origin response piece (105) and installs external inductor.

7. An intelligent unthreaded hole machine tool according to claim 6, wherein the origin induction piece (105) is a magnet or an infrared emitter; the external sensor is a magnetic sensor or an infrared receiver; the external inductor or the origin induction sheet (105) is arranged corresponding to the XY rotation device (8).

8. An intelligent unthreaded hole machine tool according to claim 1, wherein, the XY rotation device (8) comprises a servo motor (807), the servo motor (807) is connected with a small synchronous wheel (804), and the small synchronous wheel (804) is connected with a large synchronous gear (819) through a transmission belt (805); the servo motor (807) is arranged on the motor mounting plate (806), and the two sides of the motor mounting plate (806) are provided with the bases (803); the large synchronizing gear (819 is connected with a rotating main shaft (813), a bearing seat (816) is installed on the periphery of the rotating main shaft (813), a pair of duplex angular contact ball bearings (821) is installed at the lower end of the interior between the rotating main shaft (813) and the bearing seat (816), a cylindrical roller bearing (815) is installed at the lower end of the interior between the rotating main shaft (813) and the bearing seat (816), a bearing pad (820) is installed on the lower end face of the cylindrical roller bearing (815), a bearing spacer (817) is installed between the cylindrical roller bearing (815) and the duplex angular contact ball bearing (821), the lower end of the rotating main shaft (813) is connected with an inner ring of the duplex angular contact ball bearing (821) through a small round nut (822), a bearing gland (818) is installed on the outer ring of the duplex angular contact ball bearing and the lower end face of the bearing seat (816), and a mounting plate (824) is connected with the lower end face of the rotating main shaft (813), the lower end face of the slip ring mounting plate (824) is connected with an electrical slip ring (107), and a slip ring bracket (808) is arranged below the electrical slip ring; the upper end surface of the rotating main shaft (813) is connected with a self-loading disc (812); from the lower terminal surface of year dish (812) is connected with waterproof maze panel beating (814), the up end is connected with module backing plate (826), module backing plate (826) up end is connected with X axle module (811), X axle module (811) are connected with Y axle module (810) through module connecting plate (829), Y axle module (810) are connected with tool subassembly (801) through upper disc board (809), upper disc board (809) lower terminal surface periphery is connected with buckler (102), buckler (102) periphery is pasted and is had silica gel tarpaulin (802).