Numerical control round table surface grinding machine structure

Abstract

The utility model discloses a numerical control round table surface grinding machine structure which comprises a machine frame, a working table module device is installed on the left side of the machine frame, a main module device is installed on the right side of the machine frame, and an X-axis driving device for driving the working table module device to move left and right is installed on the left side of the machine frame. The workbench module device comprises an X-axis workbench sliding plate, a rotary table bearing supporting seat is fixed to the X-axis workbench sliding plate, a rotary table bearing is installed on the rotary table bearing supporting seat, the rotary table bearing is connected with an electromagnetic disc installation seat, a circular-truncated-cone-shaped electromagnetic disc is installed on the electromagnetic disc installation seat, and the circular-truncated-cone-shaped electromagnetic disc is connected with the X-axis workbench sliding plate. A rotary disc belt wheel is installed in the middle of the bottom face of the electromagnetic disc installation base, and a speed reduction motor is installed on the speed reducer support through a speed reducer installation adjusting plate. The grinding machine is stable in operation, high in automation degree, capable of better guaranteeing the flatness and the roughness of ground products, capable of achieving the unified production high-quality standard, high in machining precision and high in production efficiency and capable of meeting the market requirements.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of grinding machine, concretely relates to a numerical control round table surface grinding machine structure. BACKGROUND

[0002] At present, the hydraulic vertical grinding machine is used to process the plane product; the flatness and roughness of the grinding machine processing product cannot reach the unified standard quality, cannot satisfy the high-precision batch production requirement of the plane grinding high-end product, the production efficiency is low, cannot adapt to the demand of the market, and the use effect is poor. Therefore, in order to avoid the shortcomings in the prior art, it is necessary to improve the prior art. CONTENT OF THE UTILITY MODEL

[0003] The utility model aims at overcoming the shortcomings and deficiencies in the prior art, and provides a numerical control round table surface grinding machine structure with high grinding precision and high production efficiency.

[0004] The utility model is realized through the following technical schemes:

[0005] The numerical control round table plane grinding machine structure, including frame, the left side of frame is installed with workstation module device, the right side of frame is installed with main module device, the left side of frame is installed with X axis drive device that drive workstation module device left and right movement, workstation module device includes X axis workstation slide, X axis workstation slide is fixed with turntable bearing support seat, turntable bearing support seat is installed with turntable bearing, turntable bearing is connected with electromagnetic disk mounting seat, electromagnetic disk mounting seat is installed with round table electromagnetic disk, the bottom surface middle of electromagnetic disk mounting seat is installed with turntable belt pulley, the rear of X axis workstation slide is installed with speed reducer support, speed reducer support is installed with speed reducer motor through speed reducer installation adjusting plate, the motor shaft of speed reducer motor is connected with speed reducer belt pulley, speed reducer belt pulley is driven connection with turntable belt pulley through belt, main module device includes column fixed in the right upper portion of frame, the front side of column is installed with two Z axis linear guides, four sliders of Z axis linear guide are fixed with Z axis slide plate, column is installed with Z axis ball screw through support bearing, fixed side bearing, Z axis ball screw is connected Z axis slide plate through Z axis screw nut seat, the top of column is installed with Z axis servo motor, Z axis servo motor is connected with Z axis ball screw through shaft coupling, the top of column is installed with counterweight pulley device, counterweight pulley device is installed with chain, one end of chain is connected with the top of Z axis slide plate, the other end of chain is connected with counterweight iron, the front of Z axis slide plate is installed with spindle box support seat, the left side of spindle box support seat is installed with spindle sleeve, spindle sleeve is installed with spindle in, the bearing position of the front end of spindle is installed with double-row roller bearing and front end angular contact ball bearing, the bearing position of the rear end of spindle is installed with rear end angular contact ball bearing, the front end of spindle is installed with grinding wheel inner sleeve, grinding wheel inner sleeve is installed with grinding wheel, the top of spindle box support seat is installed with main motor mounting plate, main motor mounting plate is installed with three-phase asynchronous motor, the motor shaft of three-phase asynchronous motor is connected with motor belt pulley, the rear end of spindle is connected with spindle belt pulley, spindle belt pulley is driven connection with motor belt pulley through spindle belt.

[0006] Further, the X axis drive device includes X axis linear guide installed on the left side of the top of the frame, the left side of the top of the frame is installed with X axis servo motor mounting seat, the X axis servo motor mounting seat is installed with X axis servo motor, the X axis servo motor is connected with X axis ball screw through screw shaft coupling, the bottom of the X axis workstation slide is installed with X axis ball nut seat connected with the X axis ball screw.

[0007] Further, the electromagnetic disk mounting seat is installed with disk mounting seat waterproof ring, the outer edge of the top surface of the round table electromagnetic disk is installed with disk waterproof ring.

[0008] Further, the X-axis workbench sliding plate is installed with a water tray support, and the water tray support is installed with a water tray.

[0009] Further, the front end of the main shaft is installed with a front gland and a waterproof ring, and the rear end of the main shaft is installed with a rear gland.

[0010] Further, the front end of the main shaft is installed with a grinding wheel outer sleeve pressing ring, the front end of the main shaft is installed with a grinding wheel sleeve locking nut, and the left side of the main shaft box support seat is installed with a grinding wheel protective cover.

[0011] Further, the rear of the stand is installed with a guide rail electric lubricating pump.

[0012] Further, the front side of the rack is installed with an operation system, and the right side of the rack is installed with a distribution box.

[0013] Further, the rear of the rack is installed with a water tank and a water pump.

[0014] Further, the rear of the rack is installed with a magnetic separator.

[0015] Compared with the prior art, the utility model discloses a workbench module device is installed to the left side of the rack, a main module device is installed to the right side of the rack, an X-axis drive device that drives the left and right movement of the workbench module device is installed to the left side of the rack, a circular table electromagnetic disk is installed to the electromagnetic disk mounting seat, a rotating disc belt pulley is installed to the bottom surface middle of the electromagnetic disk mounting seat, a speed reducer belt pulley is connected to the motor shaft of the speed reducer motor, the speed reducer belt pulley is drivenly connected with the rotating disc belt pulley through a belt, a Z-axis ball screw is connected with a Z-axis sliding plate through a Z-axis screw nut seat, a Z-axis servo motor is installed to the top of the stand, the Z-axis servo motor is connected with the Z-axis ball screw through a shaft coupling, a chain is installed to the counterweight pulley device, one end of the chain is connected with the top of the Z-axis sliding plate, the other end of the chain is connected with a counterweight iron, double row roller bearings and front end angular contact ball bearings are installed to the bearing position of the front end of the main shaft, rear end angular contact ball bearings are installed to the bearing position of the rear end of the main shaft, a grinding wheel is installed to the grinding wheel inner sleeve, a three-phase asynchronous motor is installed to the main motor mounting plate, a motor belt pulley is connected to the motor shaft of the three-phase asynchronous motor, a main shaft belt pulley is connected to the rear end of the main shaft, and the main shaft belt pulley is drivenly connected with the motor belt pulley through a main shaft belt, when working, when the product is placed on the circular table electromagnetic disk, the circular table electromagnetic disk is tightly attracted after being electrified, the speed reducer motor is drivenly connected with the rotating disc belt pulley through a belt, and the circular table electromagnetic disk rotates to work, when the X-axis drive device works, the workbench module device realizes left and right feeding movement, when the three-phase asynchronous motor starts working, the motor belt pulley is drivenly connected with the main shaft belt pulley through a belt, and the grinding wheel rotates, when the Z-axis servo motor works, the Z-axis sliding plate realizes up and down movement, and the grinding wheel realizes up and down feeding movement, can satisfy the planar machining requirement of high-end knife and scissors and the like hardware products, better guarantee the planeness, roughness of the ground product, reach unified production high quality standard, improve production efficiency, adapt to the demand of market, and have the following beneficial effects:

[0016] 1. The two-axis linkage mechanism can cooperate with the special grinding machine numerical control system and electrical device to realize efficient and high-precision processing.

[0017] 2. The workbench module device adopts a circular table electromagnetic disc to tightly absorb the workpiece for stable processing, and the workpiece is simple and easy to take and place; a reduction motor is used for transmission, the structure is simple and stable, and arbitrary speed change can be realized through system control to meet the demand of high-end product production.

[0018] 3. The circular table turntable and the grinding spindle are driven by a reduction motor and a three-phase asynchronous motor, and the spindle part adopts a high-precision double-row roller bearing and an angular contact ball bearing structure, which can more easily meet the high-end product standard demand of plane production and processing of hardware products such as knives and scissors.

[0019] 4. The main module device adopts a column, a sliding plate and a counterweight iron connection mode, and the structure is simple and stable; the spindle part adopts a high-precision double-row roller bearing and an angular contact ball bearing structure, and is simply installed in a spindle sleeve mode, and the spindle can also realize speed change, which can more easily meet the requirement of high machining precision. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained according to these drawings without creative labor for those skilled in the art.

[0021] Figure 1 It is a structural schematic view of the numerical control circular table surface grinding machine structure of the present application;

[0022] Figure 2 It is a front view of the numerical control circular table surface grinding machine structure of the present application;

[0023] Figure 3 It is a top view of the numerical control circular table surface grinding machine structure of the present application;

[0024] Figure 4 It is a left view of the numerical control circular table surface grinding machine structure of the present application;

[0025] Figure 5 It is a structural schematic view of the workbench module device of the present application;

[0026] Figure 6 It is a front view of the workbench module device of the present application;

[0027] Figure 7 It is an A-A sectional view of the present application; Figure 6 ​

[0028] Figure 8 It is the structure schematic view of the main module device of the utility model;

[0029] Figure 9 It is the front view of the main module device of the utility model;

[0030] Figure 10 It is Figure 9 B-B section view of the main module device of the utility model;

[0031] Figure 11 It is the left view of the main module device of the utility model;

[0032] Figure 12 It is Figure 11 C-C section view of the main module device of the utility model.

[0033] In the drawing: 1-frame; 2-X axis linear guide; 3-X axis ball screw; 4-X axis ball nut seat; 5-X axis servo motor; 6-X servo motor mounting seat; 7-X axis workbench sliding plate; 8-rotary table bearing support seat; 9-rotary table bearing; 10-electromagnetic disk mounting seat; 11-disk mounting seat waterproof ring; 12-circular table electromagnetic disk; 13-water disc support; 14-water disc; 15-disk waterproof ring; 16-rotary disc pulley; 17-speed reducer support; 18-speed reducer installation adjusting plate; 19-speed reducer motor; 20-speed reducer pulley; 21-stand; 22-Z axis linear guide; 23-Z axis sliding plate; 24-Z axis screw nut seat; 25-Z axis ball screw; 26-Z axis servo motor; 27-counterweight pulley device; 28-chain; 29-counterweight iron; 30-spindle box support seat; 31-main motor mounting plate; 32-three-phase asynchronous motor; 33-motor pulley; 34-main shaft sleeve; 35-main shaft; 36-double row roller bearing; 37-front end angular contact ball bearing; 38-rear end angular contact ball bearing; 39-front end gland; 40-rear end gland; 41-main shaft pulley; 42-waterproof ring; 43-grinding wheel inner sleeve; 44-grinding wheel protective cover; 45-grinding wheel; 46-grinding wheel outer sleeve pressing ring; 47-grinding wheel sleeve locking nut; 48-operation system; 49-distribution box; 50-guide rail electric lubrication pump; 51-water tank; 52-water pump; 53-magnetic separator; 54-workbench module device; 55-main module device. DETAILED DESCRIPTION

[0034] The technical scheme in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0035] AsFigures 1 to 12The utility model discloses a numerical control round table surface grinding machine structure, including frame 1, the left side of frame 1 is installed with workstation module device 54, the right side of frame 1 is installed with main module device 55, the left side of frame 1 is installed with the X axle drive arrangement of drive workstation module device 54 left and right movement, workstation module device 54 includes X axle workstation slide 7, X axle workstation slide 7 is fixed with turntable bearing support seat 8, turntable bearing support seat 8 is installed with turntable bearing 9, turntable bearing 9 is connected with electromagnetic disk mounting seat 10, electromagnetic disk mounting seat 10 is installed with round table electromagnetic disk 12, the middle of electromagnetic disk mounting seat 10 bottom surface is installed with carousel pulley 16, the rear of X axle workstation slide 7 is installed with speed reducer support 17, and speed reducer support 17 is installed with speed reducer motor 19 through the speed reducer installation adjusting plate 18, and the motor shaft of speed reducer motor 19 is connected with speed reducer pulley 20, and speed reducer pulley 20 is drivenly connected with carousel pulley 16 through the belt, main module device 55 includes the column 21 fixed in the right upper of frame 1, and the front side of column 21 is installed with two Z axle linear guides 22, and the four sliding blocks of Z axle linear guide 22 are fixed with Z axle slide 23, and column 21 is installed with Z axle ball screw 25 through support bearing, fixed side bearing, and Z axle ball screw 25 is connected Z axle slide 23 through Z axle screw nut seat 24, and the top of column 21 is installed with Z axle servo motor 26, and Z axle servo motor 26 is connected with Z axle ball screw 25 through the shaft coupling, and the top of column 21 is installed with counterweight pulley device 27, and counterweight pulley device 27 is installed with chain 28, and one end of chain 28 is connected with the top of Z axle slide 23, and the other end of chain 28 is connected with counterweight iron 29, and the front of Z axle slide 23 is installed with main shaft box support seat 30, and the left side of main shaft box support seat 30 is installed with main shaft sleeve 34, and main shaft sleeve 34 is installed with main shaft 35 in, and the bearing position of main shaft 35 front end is installed with double row roller bearing 36 and front end angular contact ball bearing 37, and the bearing position of main shaft 35 rear end is installed with rear end angular contact ball bearing 38, and the front end of main shaft 35 is installed with grinding wheel inner sleeve 43, and grinding wheel inner sleeve 43 is installed with grinding wheel 45, and the top of main shaft box support seat 30 is installed with main motor mounting plate 31, and main motor mounting plate 31 is installed with three-phase asynchronous motor 32, and the motor shaft of three-phase asynchronous motor 32 is connected with motor pulley 33, and the rear end of main shaft 35 is connected with main shaft pulley 41, and main shaft pulley 41 is drivenly connected with motor pulley 33 through main shaft belt.The workbench module device 54 is installed on the left side of the rack 1, the main module device 55 is installed on the right side of the rack 1, the X-axis drive device is installed on the left side of the rack 1 to drive the left and right movement of the workbench module device, the electromagnetic disc mounting seat is installed with the circular table electromagnetic disc, the electromagnetic disc mounting seat is installed with the rotating disc belt pulley 16 in the middle of the bottom surface, the motor shaft of the speed reducer motor 19 is connected with the speed reducer belt pulley 20, the speed reducer belt pulley 20 is in transmission connection with the rotating disc belt pulley 16 through a belt, the Z-axis ball screw 25 is connected with the Z-axis sliding plate 23 through the Z-axis screw nut seat 24, the Z-axis servo motor 26 is installed on the top of the column 21, the Z-axis servo motor 26 is connected with the Z-axis ball screw 25 through a shaft coupling, the counterweight pulley device 27 is installed with the chain 28, one end of the chain 28 is connected with the top of the Z-axis sliding plate 23, the other end of the chain 28 is connected with the counterweight iron 29, the double-row roller bearing 36 and the front angular contact ball bearing 37 are installed in the bearing position of the front end of the main shaft 35, the rear angular contact ball bearing 38 is installed in the bearing position of the rear end of the main shaft 35, the grinding wheel inner sleeve 43 is installed with the grinding wheel 45, the three-phase asynchronous motor 32 is installed on the main motor mounting plate 31, the motor shaft of the three-phase asynchronous motor 32 is connected with the motor belt pulley 33, the rear end of the main shaft 35 is connected with the main shaft belt pulley 41, the main shaft belt pulley 41 is in transmission connection with the motor belt pulley 33 through the main shaft belt, in the working process, when the product is placed on the circular table electromagnetic disc 12, the product is tightly attracted by electrification; the circular table electromagnetic disc 12 is driven to rotate by the speed reducer motor 19 through the belt pulley belt; when the X-axis drive device works, the workbench module device 54 realizes left and right feeding movement; when the three-phase asynchronous motor 32 starts to work, the motor belt pulley 33 drives the main shaft belt pulley 41 through the belt connection to realize the rotation of the grinding wheel; when the Z-axis servo motor 26 works, the Z-axis sliding plate 23 realizes up and down movement, so that the grinding wheel 45 realizes up and down feeding movement, which can meet the requirements of high-end knife and scissor products in plane machining, better guarantee the flatness and roughness of the ground product, achieve unified production high-quality standards, improve production efficiency, adapt to market demand, and have the following beneficial effects.

[0036] 1.The X and Z axis linkage mechanism can cooperate with the special grinding machine numerical control system and electrical device to realize efficient and high-precision machining.

[0037] 2.The workbench module device 54 adopts the circular table electromagnetic disc 12 to tightly attract the workpiece for stable machining, and it is simple and easy to take and place the workpiece; the speed reducer motor is adopted for transmission, the structure is simple and stable, and arbitrary speed change can be realized through system control to meet the demand of producing high-end products.

[0038] 3.The circular table rotating disc and the grinding spindle are driven by the speed reducer motor and the three-phase asynchronous motor, and the main shaft part adopts high-precision double-row roller bearing and angular contact ball bearing structure, which can more easily meet the demand of high-end product standards in plane production and machining of hardware products such as knives and scissors.

[0039] 4. The main module device 55 is simple and stable in structure, and adopts the connection mode of a column, a sliding plate and a counterweight iron; the main shaft part adopts a high-precision double-row roller bearing and an angular contact ball bearing structure, is installed in a simple main shaft sleeve mode, the main shaft can also realize variable speed, and is more easy to meet the requirement of high machining precision.

[0040] The X-axis driving device comprises an X-axis linear guide rail 2 installed on the left side of the top of the rack 1, an X-axis servo motor mounting seat 6 installed on the left side of the top of the rack 1, an X-axis servo motor 5 installed on the X-axis servo motor mounting seat 6, an X-axis ball screw 3 connected to the X-axis servo motor 5 through a screw rod coupling, and an X-axis workbench sliding plate 7, the bottom of the X-axis workbench sliding plate 7 is provided with an X-axis ball nut seat 4 connected with the X-axis ball screw 3, and when the X-axis servo motor 5 works, the workbench module device 54 realizes left-right feeding movement.

[0041] The electromagnetic disk mounting seat 10 is provided with a disk mounting seat waterproof ring 11, and the outer edge of the top surface of the circular table electromagnetic disk 12 is provided with a disk waterproof ring 15, so that the waterproof sealing performance of the circular table electromagnetic disk 12 during work is improved.

[0042] The X-axis workbench sliding plate 4 is provided with a water pan support 13, and the water pan support 13 is provided with a water pan 14, so that water spraying and heat dissipation during grinding are facilitated.

[0043] The front end of the main shaft 35 is provided with a front gland 39 and a waterproof ring 42, and the rear end of the main shaft 35 is provided with a rear gland 40, so that the sealing and waterproof performance of the main shaft 35 is improved.

[0044] The front end of the main shaft 35 is provided with a grinding wheel outer sleeve pressing ring 46, the front end of the main shaft 35 is provided with a grinding wheel sleeve locking nut 47, and the left side of the main shaft box supporting seat 30 is provided with a grinding wheel protective cover 44, so that the grinding wheel 45 is installed more quickly, conveniently, stably.

[0045] The rear of the column 21 is provided with a guide rail electric lubricating pump 50, so that the guide rail is lubricated, and the stability, smoothness and accuracy of work are improved.

[0046] The front side of the rack 1 is provided with an operation system 48, and the right side of the rack 1 is provided with a distribution box 49, so that the power supply and control of the numerical control circular table surface grinding machine are facilitated.

[0047] The rear of the rack 1 is provided with a water tank 51 and a water pump 52, and the water pump 52 is used for cooling, so that the deformation caused by overheating of the workpiece and dust pollution can be prevented.

[0048] The rear of the rack 1 is provided with a magnetic separator 53, and the water discharged through the magnetic separator 53 can be separated and recycled.

[0049] The numerical control circular table surface grinding machine is composed of an X-axis and Z-axis linkage mechanism, a special numerical control system and an electrical device, and realizes efficient and high-precision machining.

[0050] The system of the numerical control round table surface grinding machine can not only manually compile a machining program, but also directly input simple parameters to generate a machining program, and can read a dxf pattern to generate a machining program, and realizes humanized operation.

[0051] The above merely describes preferred embodiments of the present application, and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A structure for a CNC rotary table surface grinder, characterized in that: The utility model provides a kind of main module device and workbench module device, including rack, workbench module device is mounted on the left side of the rack, main module device is mounted on the right side of the rack, X-axis drive device that drives the left and right movement of the workbench module device is mounted on the left side of the rack, the workbench module device includes X-axis workbench slide, the X-axis workbench slide is fixed with rotary table bearing support seat, rotary table bearing support seat is installed with rotary table bearing, rotary table bearing is connected with electromagnetic disk mounting seat, circular table electromagnetic disk is installed in electromagnetic disk mounting seat, rotary table belt pulley is installed in the middle of the bottom surface of electromagnetic disk mounting seat, the rear of the X-axis workbench slide is installed with speed reducer support, speed reducer support is installed with speed reducer motor by speed reducer installation adjusting plate, the motor shaft of speed reducer motor is connected with speed reducer belt pulley, speed reducer belt pulley is driven connection with rotary table belt pulley by belt, the main module device includes column fixed in the right upper portion of the rack, two Z-axis linear guides are installed on the front side of the column, the four sliders of Z-axis linear guide are fixed with Z-axis slide plate, column is installed with Z-axis ball screw through support bearing, fixed side bearing, Z-axis slide plate is connected by Z-axis screw nut seat of Z-axis ball screw, Z-axis servo motor is installed on the top of column, Z-axis ball screw is connected with Z-axis servo motor by coupling, counterweight pulley device is installed on the top of column, chain is installed in counterweight pulley device, one end of chain is connected with the top of Z-axis slide plate, the other end of chain is connected with counterweight iron, the front surface of Z-axis slide plate is installed with main shaft box support seat, the left side of main shaft box support seat is installed with main shaft sleeve, main shaft sleeve is installed with main shaft, the bearing position of the front end of main shaft is installed with double-row roller bearing and front end angular contact ball bearing, the bearing position of the rear end of main shaft is installed with rear end angular contact ball bearing, the front end of main shaft is installed with grinding wheel inner sleeve, grinding wheel is installed in grinding wheel inner sleeve, three-phase asynchronous motor is installed in the top of main shaft box support seat, the motor shaft of three-phase asynchronous motor is connected with motor belt pulley, the rear end of main shaft is connected with main shaft belt pulley, main shaft belt pulley is driven connection with motor belt pulley by main shaft belt.

2. The CNC circular table surface grinder structure according to claim 1, characterized in that: The X-axis drive device includes X-axis linear guide installed on the left side of the top of the rack, X-axis servo motor mounting seat is installed on the left side of the top of the rack, X-axis servo motor mounting seat is installed with X-axis servo motor, X-axis ball screw is connected with X-axis ball screw through screw coupling of X-axis servo motor, X-axis ball screw nut seat is installed on the bottom of X-axis workbench slide and connected with X-axis ball screw.

3. The CNC circular table surface grinder structure according to claim 1, characterized in that: The electromagnetic disk mounting seat is installed with disk mounting seat waterproof ring, and the outer edge of the top surface of the circular table electromagnetic disk is installed with a disk waterproof ring.

4. The CNC circular table surface grinder structure according to claim 1, characterized in that: The X-axis workbench slide is installed with a water pan support, and the water pan support is installed with a water pan.

5. The CNC circular table surface grinder structure according to claim 1, characterized in that: The front end of the main shaft is installed with a front gland and a waterproof ring, and the rear end of the main shaft is installed with a rear gland.

6. The CNC circular table surface grinder structure according to claim 1, characterized in that: The front end of the main shaft is provided with a grinding wheel outer sleeve pressing ring, the front end of the main shaft is provided with a grinding wheel sleeve locking nut, and the left side of the main shaft box supporting seat is provided with a grinding wheel protective cover.

7. The CNC circular table surface grinder structure according to claim 1, characterized in that: The rear of the column is provided with a guide rail electric lubricating pump.

8. The CNC circular table surface grinder structure according to claim 1, characterized in that: The front side of the rack is provided with an operation system, and the right side of the rack is provided with a distribution box.

9. The CNC circular table surface grinder structure according to claim 1, characterized in that: The rear of the rack is provided with a water tank and a water pump.

10. The CNC circular table surface grinder structure according to claim 1, characterized in that: The rear of the rack is provided with a magnetic separator.

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