Numerical control abrasive belt edge grinding machine structure

Abstract

The utility model discloses a numerical control abrasive belt edge grinding machine structure which comprises a machine frame, an X-axis linear guide rail extending in the left-right direction is installed on the front side of the top of the machine frame, an elastic platform device is installed on a sliding block on the top of the X-axis linear guide rail, an X-axis servo motor is installed on the top of the machine frame, and an X-axis servo motor is installed on the top of the machine frame. The X-axis servo motor is connected with an X-axis ball screw through a first coupler, an X-axis ball nut seat in threaded connection with the X-axis ball screw is installed at the bottom of the elastic platform device, a water disc is installed on a workbench sliding plate at the top of the elastic platform device, a stand column is arranged on the rear side of the top of the rack, and a water outlet is formed in the top of the stand column. A Z-axis linear guide rail extending up and down is installed on the front side of the stand column, a sliding plate is installed on a sliding block on the front side of the Z-axis linear guide rail, and a Z-axis servo motor is installed on the top of the stand column. The device is stable in structure, high in automation degree, comprehensive in machining, high in machining precision, high in production efficiency and low in labor cost, and the production quality is unified and standard.

Description

Technical Field

[0001] The utility model relates to the technical field of edge grinding machines, in particular to a numerically controlled abrasive belt edge grinding machine structure. Background Art

[0002] The flat belt sanders on the market can only sand flat products, but cannot process the sides of products or grind the curved surfaces of products. Most of the market uses manual sanding and polishing to grind the sides and curved surfaces of hardware products such as knives and scissors. However, the processed surface is uneven and cannot meet the uniform standard quality. At the same time, the production efficiency is low, the labor cost is high, and the dry polishing dust easily pollutes the environment. The working environment is bad and it is not conducive to mass production. Therefore, in order to avoid the shortcomings of the existing technology, it is necessary to improve the existing technology. Utility Model Content

[0003] The utility model aims to overcome the shortcomings and deficiencies in the prior art and provide a CNC abrasive belt edge grinding machine structure with comprehensive processing and high working efficiency.

[0004] The utility model is realized by the following technical solutions:

[0005] A CNC belt edge grinding machine structure, including a frame, an X-axis linear guide extending left and right is installed on the front side of the top of the frame, an elastic platform device is installed on the slider at the top of the X-axis linear guide, an X-axis servo motor is installed on the top of the frame, the X-axis servo motor is connected to an X-axis ball screw through a first coupling, an X-axis ball nut seat screwed with the X-axis ball screw is installed at the bottom of the elastic platform device, a water tray is installed on the workbench slide at the top of the elastic platform device, a column is provided on the rear side of the top of the frame, and a A Z-axis linear guide extends up and down, a slide plate is installed on the slider on the front side of the Z-axis linear guide, a Z-axis servo motor is installed on the top of the column, and the Z-axis servo motor is connected to a Z-axis ball screw through a second coupling, and a Z-axis ball nut seat screwed with the Z-axis ball screw is installed on the front side of the column, a lifting support plate, a lifting seat, a spiral lifter and a lifting screw are installed on the left side of the slide plate, a supporting pad is installed on the left side of the top of the slide plate, and a swing seat is installed on the top of the supporting pad, and a swing fine-tuning shaft is installed on the swing seat through a connecting pin. Two UCPA outer ball bearings with seats are installed in the middle of the fine-tuning shaft, and the UCPA outer ball bearings with seats are connected to the motor lifting plate. The end of the swing fine-tuning shaft is connected to the lifting screw through an earring joint bearing. The right side of the motor lifting plate is installed with a cylinder mounting plate through a cylinder swing seat and the swing shaft. A loose sanding belt cylinder is installed on the cylinder mounting plate. A cylinder floating joint is installed on the right side of the slide through a supporting block. The cylinder floating joint is connected to the loose sanding belt cylinder. A motor mounting plate is installed in the middle of the top of the motor lifting plate. The motor mounting plate is installed There is a three-phase asynchronous motor, a driving wheel is installed on the motor shaft of the three-phase asynchronous motor through a sleeve flange, a driven spindle grinding device is installed in the middle of the lower part of the skateboard, the driven spindle grinding device is connected to the driving wheel through a sanding belt, a guide rail electric lubrication pump is installed on the right side of the column, a spindle electric circulating lubrication pump is installed on the left side of the column, a protective cover is installed on the skateboard, a baffle cylinder is installed on the right side of the protective cover, a waterproof baffle is installed on the baffle cylinder, a water tank is installed on the left side of the frame, and a magnetic separator and a water pump are installed above the water tank.

[0006] Furthermore, a chain mounting plate is installed on the back of the skateboard, and the chain mounting plate is connected to a configuration iron through a chain. The left and right sides of the Z-axis servo motor are both provided with a counterweight pulley device for connecting the chain.

[0007] Furthermore, the elastic platform device includes a workbench slide installed on the slider of the X-axis linear guide rail, a spring center positioning shaft is installed on the outer side of the top of the workbench slide, a spring is sleeved on the outer side of the spring center positioning shaft, and a spring platform panel is installed on the top of the spring center positioning shaft through a nut and a gasket.

[0008] Furthermore, an electromagnetic disk is provided on the top of the spring platform panel.

[0009] Furthermore, a spring waterproof upper ring is sleeved on the outer side of the spring, and a waterproof cover covering the nut is provided on the top of the spring platform panel.

[0010] Furthermore, the driven spindle grinding device includes a driven spindle bracket, a grinding spindle is installed on the driven spindle bracket, waterproof rings, sleeves and sleeve pressure covers are installed on both ends of the grinding spindle, a skeleton oil seal is provided at the connection between the waterproof ring and the sleeve, a bearing for installing the grinding spindle is provided on the inner side of the sleeve, the grinding spindle is installed with a bearing pressure ring that presses against the bearing through a hexagon socket screw, an O-ring is provided on the outer side of the sleeve pressure cover, a butterfly spring is provided at the connection between the sleeve pressure cover and the bearing, and an oil inlet hole and an oil return hole are provided on the outer side of the sleeve pressure cover.

[0011] Furthermore, a main shaft sleeve pressing block for locking the shaft sleeve is installed at the bottom of the driven main shaft bracket.

[0012] Furthermore, a working platform is provided on the right side of the frame, and a servo motor mounting seat for mounting the X-axis servo motor is provided on the right side of the frame.

[0013] Furthermore, a water tank is installed on the front side of the frame.

[0014] Furthermore, an operating system is installed on the right side of the rack, and a distribution box is installed on the rear side of the rack.

[0015] Compared with the prior art, the utility model is provided with an elastic platform device through a slider on the top of the X-axis linear guide, an X-axis servo motor is connected to an X-axis ball screw through a first coupling, an X-axis ball nut seat screwed to the X-axis ball screw is installed at the bottom of the elastic platform device, a slide plate is installed on the slider on the front side of the Z-axis linear guide, a Z-axis servo motor is installed on the top of the column, the Z-axis servo motor is connected to a Z-axis ball screw through a second coupling, a Z-axis ball nut seat screwed to the Z-axis ball screw is installed on the front side of the column, a swing seat is provided with a swing fine-tuning shaft through a connecting pin, two UCPA outer ball bearings with seats are installed in the middle of the swing fine-tuning shaft, the UCPA outer ball bearings with seats are connected to a motor lifting plate, the end of the swing fine-tuning shaft is connected to the lifting screw through an earring joint bearing, the cylinder floating joint is connected to the elastic sanding belt cylinder, and the motor mounting plate is provided with a three-phase asynchronous motor The motor shaft of the three-phase asynchronous motor is equipped with a driving wheel through a sleeve flange, and the driven spindle grinding device is connected to the driving wheel through a sand belt. A guide rail electric lubrication pump is installed on the right side of the column, and a spindle electric circulation lubrication pump is installed on the left side of the column. A baffle cylinder is installed on the right side of the protective cover, and a waterproof baffle is installed on the baffle cylinder. A magnetic separator and a water pump are installed above the water tank. When working, the X-axis servo motor drives the elastic platform device to move left and right, and the Z-axis servo motor drives the slide plate to move up and down. The spiral lifter is adjusted to achieve fine-tuning of the upper and lower angles of the motor lifting plate to balance the center position of the sand belt. The loose sand belt cylinder realizes the tensioning of the sand belt. The three-phase asynchronous motor drives the grinding spindle to rotate through the sand belt for grinding processing, so that the CNC sand belt edge grinding machine has a stable structure, a high degree of automation, easy use, comprehensive processing, unified production standard quality, high production efficiency, and low labor cost, and has the following beneficial effects:

[0016] 1. The grinding belt can be easily replaced through the loosening and tightening belt cylinder, and the center position of the grinding belt on the shaft can be easily adjusted through the spiral lifter.

[0017] 2. In the driven spindle grinding device, the grinding spindle uses a spindle electric circulation lubrication pump system for high-speed operation, and cold oil lubrication effectively improves the life of the spindle bearings.

[0018] 3. The workbench adopts an elastic platform device, which can balance the pressure during processing. When the pressure exceeds the setting pressure of the machine tool, it plays a buffering protection role, reducing the damage of the spindle and the abrasive belt caused by misoperation.

[0019] 4. During processing, water pump cooling is used to prevent the workpiece from overheating, deformation and dust pollution. The iron pins can be separated and recycled after drainage through the magnetic separator. The baffle cylinder pushes the waterproof baffle according to needs to effectively prevent water splashing.

[0020] 5. This machine can solve the mechanized production and processing of the flat, side and curved surfaces of hardware products such as knives and scissors. The grinding surface of the processed products is more uniform, smooth and standard. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0022] Figure 1 It is a front view of the structure of the CNC abrasive belt edge grinding machine of the utility model;

[0023] Figure 2 It is a right view of the structure of the CNC abrasive belt edge grinding machine of the utility model;

[0024] Figure 3 It is a left view of the structure of the CNC abrasive belt edge grinding machine of the utility model;

[0025] Figure 4 It is a top view of the structure of the CNC abrasive belt edge grinding machine of the utility model;

[0026] Figure 5 for Figure 1 AA cross-sectional structural diagram;

[0027] Figure 6 It is a front view of the elastic platform device of the utility model;

[0028] Figure 7 for Figure 6 BB cross-sectional structure diagram;

[0029] Figure 8 This is a schematic diagram of the structure of the driven spindle grinding device of the utility model;

[0030] Fig. 9 It is a left side view of the driven spindle grinding device of the utility model;

[0031] Fig.10 for Fig. 9 Schematic diagram of the CC cross-section structure.

[0032] In the figure: 1-frame; 2-X-axis linear guide; 3-elastic platform device; 4-X-axis ball nut seat; 5-X-axis ball screw 6-servo motor mounting seat; 7-X-axis servo motor; 8-water tray; 9-water tank; 10-working platform; 11-column; 12-Z-axis linear guide; 13-slide plate; 14-chain mounting plate; 15-Z-axis screw nut seat; 16-Z-axis ball screw; 17-Z-axis servo motor; 18-counterweight pulley device; 19- Chain; 20-weight iron; 21-driven spindle grinding device; 22-lifting support plate; 23-lifting seat; 24-screw lifter; 25-lifting screw; 26-earring joint bearing; 27-support pad; 28-swing seat; 29-swing fine-tuning shaft; 30-connecting pin; 31-UCPA outer ball bearing with seat; 32-motor lifting plate; 33-support block; 34-cylinder floating joint; 35-cylinder swing seat; 36-swing shaft; 37-gas Cylinder mounting plate; 38- elastic sanding belt cylinder; 39- motor mounting plate; 40- three-phase asynchronous motor; 41- shaft sleeve flange; 42- driving wheel; 43- protective cover; 44- baffle cylinder; 45- waterproof baffle; 46- distribution box; 47- operating system; 48- water tank; 49- magnetic separator; 50- water pump; 51- guide rail electric lubrication pump; 52- spindle electric circulation lubrication pump; 53- workbench slide; 54- spring center positioning shaft; 55- spring Spring; 56-spring waterproof upper ring; 57-spring platform panel; 58-gasket; 59-nut; 60-waterproof cover; 61-electromagnetic disk; 62-spindle sleeve pressure block; 63-driven spindle bracket; 64-grinding spindle; 65-sleeve; 66-bearing; 67-butterfly spring; 68-bearing pressure ring; 69-hexagon socket screw; 70-O-ring; 71-sleeve pressure cover; 72-skeleton oil seal; 73-waterproof ring; 74-oil inlet hole; 75-oil return hole. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0034] like Figures 1 to 10The utility model is shown in the figure, which comprises a CNC belt edge grinding machine structure, including a frame 1, an X-axis linear guide 2 extending left and right is installed on the front side of the top of the frame 1, an elastic platform device 3 is installed on the slider at the top of the X-axis linear guide 2, an X-axis servo motor 7 is installed on the top of the frame 1, the X-axis servo motor 7 is connected to an X-axis ball screw 5 through a first coupling, an X-axis ball nut seat 4 screwed to the X-axis ball screw 5 is installed at the bottom of the elastic platform device 3, a water tray 8 is installed on the workbench slide 14 at the top of the elastic platform device 3, a column 11 is provided on the rear side of the top of the frame 1, and a Z-axis linear guide extending up and down is installed on the front side of the column 11. The guide rail 12, a slide plate 13 is installed on the slider on the front side of the Z-axis linear guide rail 12, a Z-axis servo motor 17 is installed on the top of the column 11, and the Z-axis servo motor 17 is connected to a Z-axis ball screw 16 through a second coupling, and a Z-axis ball nut seat 15 screwed to the Z-axis ball screw 16 is installed on the front side of the column 11, and a lifting support plate 22, a lifting seat 23, a spiral lifter 24 and a lifting screw 25 are installed on the left side of the slide plate 13, and a support pad 27 is installed on the left side of the top of the slide plate 13, and a swing seat 28 is installed on the top of the support pad 27. The swing seat 28 is installed with a swing fine-tuning shaft 29 through a connecting pin 30, and the swing fine-tuning shaft 29 Two UCPA outer ball bearings 31 with seats are installed in the middle, and the UCPA outer ball bearings with seats are connected to the motor lifting plate 32. The end of the swing fine-tuning shaft 29 is connected to the lifting screw 25 through the earring joint bearing 26. The right side of the motor lifting plate 32 is installed with a cylinder mounting plate 37 through the cylinder swing seat 35 and the swing shaft 36. The cylinder mounting plate 37 is installed with a loose sanding belt cylinder 38. A cylinder floating joint 34 is installed on the right side of the slide plate 13 through the support block 33. The cylinder floating joint 34 is connected to the loose sanding belt cylinder 38. A motor mounting plate 39 is installed in the middle of the top of the motor lifting plate 32. The motor mounting plate 39 is installed with a three-phase Asynchronous motor 40, the motor shaft of the three-phase asynchronous motor 40 is equipped with a driving wheel 42 through a sleeve flange 41, a driven spindle grinding device 21 is installed in the middle of the lower part of the slide plate 13, the driven spindle grinding device 21 is connected to the driving wheel 42 through a grinding belt, a guide rail electric lubrication pump 51 is installed on the left side of the column 11, a spindle electric circulation lubrication pump 52 is installed on the left side of the column 11, a protective cover 43 is installed on the slide plate 13, a baffle cylinder 44 is installed on the left side of the protective cover 43, and a waterproof baffle 45 is installed on the baffle cylinder 44, a water tank 48 is installed on the left side of the frame 1, and a magnetic separator 49 and a water pump 50 are installed above the water tank 48.An elastic platform device 3 is installed through the slider on the top of the X-axis linear guide 2, an X-axis servo motor 7 is connected to an X-axis ball screw 5 through a first coupling, an X-axis ball nut seat 4 screwed to the X-axis ball screw 5 is installed at the bottom of the elastic platform device 3, a slide plate 13 is installed on the slider on the front side of the Z-axis linear guide 12, a Z-axis servo motor 17 is installed on the top of the column 11, and the Z-axis servo motor 17 is connected to a Z-axis ball screw 16 through a second coupling, and a Z-axis ball screw 16 is installed on the front side of the column 11. The Z-axis ball screw 16 is screwed to the Z-axis ball nut seat 15, the swing seat 28 is installed with a swing fine-tuning shaft 29 through a connecting pin 30, two UCPA outer ball bearings 31 with seats are installed in the middle of the swing fine-tuning shaft 29, and the UCPA outer ball bearings 31 with seats are connected to the motor lifting plate 32. The end of the swing fine-tuning shaft 29 is connected to the lifting screw 25 through an earring joint bearing 26, and the cylinder floating joint 34 is connected to the elastic sanding belt cylinder 38. The motor mounting plate 39 is installed with a three-phase asynchronous motor 40, a three-phase The motor shaft of the asynchronous motor 40 is provided with a driving wheel 42 through a sleeve flange 41, and the driven spindle grinding device 21 is connected to the driving wheel 42 through a grinding belt. A guide rail electric lubrication pump 51 is provided on the right side of the column 11, and a spindle electric circulation lubrication pump 52 is provided on the right side of the column 11. A baffle cylinder 44 is provided on the right side of the protective cover 43, and a waterproof baffle 45 is provided on the baffle cylinder 44. A magnetic separator 49 and a water pump 50 are provided above the water tank 48. When working, the X-axis servo motor 7 drives the spring The platform device 3 moves left and right, the Z-axis servo motor 17 drives the slide plate 13 to move up and down, and the spiral lifter 24 is adjusted to achieve fine-tuning of the upper and lower angles of the motor lift plate 32 to balance the center position of the abrasive belt. The loosening and tightening abrasive belt cylinder 38 realizes the tensioning of the abrasive belt. The three-phase asynchronous motor 40 drives the grinding spindle to rotate through the abrasive belt to perform grinding processing, so that the CNC abrasive belt edge grinding machine has a stable structure, a high degree of automation, is easy to use, has comprehensive processing, produces unified standard quality, has high production efficiency, and has low labor costs, and has the following beneficial effects:.

[0035] 1. The grinding belt can be easily replaced by the belt tensioning cylinder 38, and the center position of the belt on the shaft can be easily adjusted by the spiral lifter 24.

[0036] 2. In the driven spindle grinding device 21, the grinding spindle is operated at high speed using a spindle electric circulation lubrication pump system, and cold oil lubrication effectively increases the life of the spindle bearings.

[0037] 3. The workbench adopts an elastic platform device 3, which can balance the pressure during processing. When the pressure exceeds the setting pressure of the machine tool, it plays a buffering protection role, reducing the damage of the spindle and the abrasive belt caused by misoperation.

[0038] 4. During processing, a water pump 50 is used for cooling to prevent the workpiece from overheating, deformation and dust pollution. The iron pins can be separated and recycled after being drained by the magnetic separator 49. The baffle cylinder 44 pushes the waterproof baffle 45 according to demand to effectively prevent water splashing.

[0039] 5. This machine can solve the mechanized production and processing of the flat, side and curved surfaces of hardware products such as knives and scissors. The grinding surface of the processed products is more uniform, smooth and standard.

[0040] A chain mounting plate 14 is installed on the back of the skateboard 13, and the chain mounting plate 14 is connected to a configuration iron 20 through a chain 19. The left and right sides of the Z-axis servo motor 17 are provided with a counterweight pulley device 18 for connecting the chain 19 to balance the up and down sliding movement force of the Z-axis, reduce the load of the Z-axis servo motor 17, and achieve a smoother operation effect.

[0041] The elastic platform device includes a workbench slide 53 installed on the slider of the X-axis linear guide 2. A spring center positioning shaft 54 ​​is installed on the outer side of the top of the workbench slide 53. A spring 55 is sleeved on the outer side of the spring center positioning shaft 54. A spring platform panel 57 is installed on the top of the spring center positioning shaft 54 ​​through a nut 59 and a gasket 58. When working, the elastic platform device can balance the processing pressure. When the pressure exceeds the set pressure of the machine tool, the spring moves downward to play a buffering role, thereby reducing the damage to the spindle and the sanding belt caused by misoperation.

[0042] An electromagnetic disk 61 is disposed on the top of the spring platform panel 57. The electromagnetic disk 61 can stably absorb and fix the workpiece, thereby improving the stability of processing.

[0043] The outer side of the spring 55 is provided with a spring waterproof upper ring 56, and the top of the spring platform panel 57 is provided with a waterproof cover 60 covering the nut 59, which effectively prevents water from seeping down and affecting the normal operation of the motor and other components.

[0044] The driven spindle grinding device 21 includes a driven spindle bracket 63, a grinding spindle 64 is installed on the driven spindle bracket 63, waterproof rings 73, sleeves 65 and sleeve glands 71 ​​are installed at both ends of the grinding spindle 64, a skeleton oil seal 72 is provided at the connection between the waterproof ring 73 and the sleeve 65, a bearing 66 for mounting the grinding spindle 64 is provided on the inner side of the sleeve 65, and a bearing pressing ring 66 is installed on the grinding spindle 64 through a hexagon socket screw 69. 8. An O-ring 70 is sleeved on the outer side of the sleeve gland 71, a butterfly spring 67 is provided at the connection between the sleeve gland 71 and the bearing 66, and an oil inlet hole 74 and an oil return hole 75 are provided on the outer side of the sleeve gland 71. When working, the spindle electric circulation lubrication pump 52 is responsible for the cold oil lubrication of the high-speed operation of the grinding spindle 64. The size of the grinding spindle 64 is selected according to the product requirements. Conventional grinding spindles 64 have diameters of 26, 30, 50, 70, etc.

[0045] A main shaft sleeve pressing block 62 for locking the shaft sleeve 65 is installed at the bottom of the driven main shaft bracket 63 to facilitate the installation and replacement of the grinding main shaft 64.

[0046] A working platform 10 is provided on the right side of the frame 1 to facilitate temporary placement of workpieces. A servo motor mounting seat 6 for mounting an X-axis servo motor 7 is provided on the right side of the frame 1 to facilitate installation of the X-axis servo motor 7 .

[0047] A water tank 9 is installed on the front side of the frame 1 to facilitate water recovery.

[0048] An operating system 47 is installed on the right side of the frame 1, and a distribution box 46 is installed on the rear side of the frame 47 to facilitate the power supply and control of the CNC belt edge grinder.

[0049] This CNC belt edge grinding machine is composed of X and Z axis linkage mechanism, special CNC system and electrical device to achieve high efficiency and high precision processing.

[0050] In addition to manually writing processing programs, the system of this CNC belt edge grinding machine can also directly input simple parameters to generate processing programs, and can also read DXF graphics to generate processing programs, realizing humanized operation.

[0051] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A CNC belt edge grinding machine structure, characterized in that: The machine comprises a frame, an X-axis linear guide extending left and right is installed on the front side of the top of the frame, an elastic platform device is installed on the slider at the top of the X-axis linear guide, an X-axis servo motor is installed on the top of the frame, an X-axis ball screw is connected to the X-axis servo motor through a first coupling, an X-axis ball nut seat screwed with the X-axis ball screw is installed at the bottom of the elastic platform device, a water tray is installed on the workbench slide at the top of the elastic platform device, a column is provided on the rear side of the top of the frame, and a Z-axis linear guide extending up and down is installed on the front side of the column The guide rail, the slider on the front side of the Z-axis linear guide rail is equipped with a slide plate, the top of the column is equipped with a Z-axis servo motor, the Z-axis servo motor is connected to a Z-axis ball screw through a second coupling, the front side of the column is equipped with a Z-axis ball nut seat screwed with the Z-axis ball screw, the left side of the slide plate is equipped with a lifting support plate, a lifting seat, a spiral lifter and a lifting screw, the left side of the slide plate top is equipped with a supporting pad, the top of the supporting pad is equipped with a swing seat, the swing seat is equipped with a swing fine-tuning shaft through a connecting pin, and the middle of the swing fine-tuning shaft Two UCPA outer ball bearings with seats are installed, and the UCPA outer ball bearings with seats are connected to the motor lifting plate. The end of the swing fine-tuning shaft is connected to the lifting screw through an earring joint bearing. The right side of the motor lifting plate is installed with a cylinder mounting plate through a cylinder swing seat and a swing shaft. A loose sanding belt cylinder is installed on the cylinder mounting plate. A cylinder floating joint is installed on the right side of the slide plate through a supporting block. The cylinder floating joint is connected to the loose sanding belt cylinder. A motor mounting plate is installed in the middle of the top of the motor lifting plate. The motor mounting plate is installed with a three-phase Asynchronous motor, the motor shaft of the three-phase asynchronous motor is equipped with a driving wheel through a sleeve flange, a driven spindle grinding device is installed in the middle of the lower part of the skateboard, the driven spindle grinding device is connected to the driving wheel through a sanding belt, a guide rail electric lubrication pump is installed on the right side of the column, a spindle electric circulating lubrication pump is installed on the left side of the column, a protective cover is installed on the skateboard, a baffle cylinder is installed on the right side of the protective cover, a waterproof baffle is installed on the baffle cylinder, a water tank is installed on the left side of the frame, and a magnetic separator and a water pump are installed above the water tank.

2. The CNC belt edge grinding machine structure according to claim 1, characterized in that: A chain mounting plate is installed on the back of the slide plate, and the chain mounting plate is connected to a configuration iron through a chain. The left and right sides of the Z-axis servo motor are both provided with a counterweight pulley device for connecting the chain.

3. The CNC belt edge grinding machine structure according to claim 1, characterized in that: The elastic platform device includes a workbench slide installed on the slider of the X-axis linear guide rail, a spring center positioning shaft is installed on the outer side of the top of the workbench slide, a spring is sleeved on the outer side of the spring center positioning shaft, and a spring platform panel is installed on the top of the spring center positioning shaft through a nut and a gasket.

4. The structure of the CNC belt edge grinding machine according to claim 3 is characterized in that: An electromagnetic disk is arranged on the top of the spring platform panel.

5. The structure of the CNC belt edge grinding machine according to claim 3 is characterized in that: The outer side of the spring is sleeved with a spring waterproof upper ring, and the top of the spring platform panel is provided with a waterproof cover covering the nut.

6. The CNC belt edge grinding machine structure according to claim 1, characterized in that: The driven spindle grinding device includes a driven spindle bracket, a grinding spindle is installed on the driven spindle bracket, waterproof rings, sleeves and sleeve pressure covers are installed on both ends of the grinding spindle, a skeleton oil seal is provided at the connection between the waterproof ring and the sleeve, a bearing for mounting the grinding spindle is provided on the inner side of the sleeve, a bearing pressure ring for pressing against the bearing is installed on the grinding spindle through a hexagon socket screw, an O-ring is provided on the outer side of the sleeve pressure cover, a butterfly spring is provided at the connection between the sleeve pressure cover and the bearing, and an oil inlet hole and an oil return hole are provided on the outer side of the sleeve pressure cover.

7. The CNC belt edge grinding machine structure according to claim 6, characterized in that: A main shaft sleeve pressing block for locking the shaft sleeve is installed at the bottom of the driven main shaft bracket.

8. The CNC belt edge grinding machine structure according to claim 1, characterized in that: A working platform is arranged on the right side of the frame, and a servo motor mounting seat for mounting the X-axis servo motor is arranged on the right side of the frame.

9. The CNC belt edge grinding machine structure according to claim 1, characterized in that: A water tank is installed on the front side of the frame.

10. The CNC belt edge grinding machine structure according to claim 1, characterized in that: An operating system is installed on the right side of the rack, and a power distribution box is installed on the rear side of the rack.

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