Synchronous water spraying device for tempered glass trepanning processing
By designing the nozzle and the drill bit in the tempered glass opening processing device, the problem of overheating and wear of the drill bit during the drilling process is solved, and more efficient and more accurate glass opening processing is achieved, and the product is improved Quality and drill bit life.
Patent Information
- Application Number
- CN202420857706.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-03
- Publication Date
- 2025-02-25
- Estimated Expiration
- 2035-01-03
AI Technical Summary
During the drilling process, the existing tempered glass opening processing device fails to spray coolant with the drill bit in time, resulting in overheating and wear of the drill bit, which may cause the drill bit to deform or break, affecting product quality.
Design a tempered glass opening processing synchronous water spray device, including a nozzle that is followed by the drill bit to cool down simultaneously, and the coolant is transmitted to the nozzle through the transmission tube. The water flow sprayed from the nozzle can reduce the drilling glass in a timely and quickly Surface temperature, reduce thermal expansion and thermal stress, and prevent glass burst.
Through synchronous water jet cooling technology, it can speed up the drilling speed, reduce the generation of glass debris, avoid damage or scratches on the glass surface, improve processing quality and accuracy, and extend the service life of the drill bit.
Smart Images

Figure CN222521699U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of tempered glass processing, in particular to a synchronous water spraying device for tempered glass hole opening processing. Background Art
[0002] Tempered glass is a safety glass that has been specially processed. After being heated, the tempered glass is cooled rapidly, so that the surface of the glass cools rapidly while the inside is still in a high temperature state, thereby changing the physical properties of the glass, making the glass stronger and more wear-resistant. Tempered glass usually has the characteristics of high impact resistance, high bending resistance, good temperature resistance, and easy cleaning. When processing tempered glass, a tempered glass hole opening processing device is required, which is specially used for hole opening processing on tempered glass. In the existing hole opening processing device, a special drill bit is usually used to complete the hole opening operation during the processing. Due to the high hardness of tempered glass, a large amount of heat is generated when drilling. The transmission pipe fails to follow the drill bit in time to synchronously spray coolant for cooling and heat dissipation, which may cause the drill bit to overheat and aggravate the wear of the drill bit, resulting in deformation or breakage of the drill bit, affecting the quality of the product; so we propose a tempered glass hole opening processing synchronous water spraying device to solve the above-mentioned problems. Utility Model Content
[0003] In order to overcome the existing hole-opening processing devices, special drill bits are usually used to complete the hole-opening operation. Due to the high hardness of tempered glass, a large amount of heat will be generated during drilling. The transmission tube fails to follow the drill bit to synchronously spray coolant for cooling and heat dissipation in time, which may cause the drill bit to overheat and the drill bit to wear more severely, resulting in deformation or breakage of the drill bit, affecting the quality of the product.
[0004] The technical solution of the utility model is: a synchronous water spraying device for hole drilling processing of tempered glass, comprising a workbench, a processing component, and a positioning component of a conveying component; a processing component for synchronously spraying water to cool the glass during the drilling process is installed above the workbench, a conveying component for conveying a glass plate to be processed and adjusting its position for hole drilling processing is installed inside the workbench, and a positioning component for fixing and maintaining the position of the glass plate to prevent displacement is installed at the outer end of the workbench.
[0005] Preferably, the nozzle follows the drill bit to drill and spray water for cooling synchronously, which can promptly and quickly reduce the surface temperature of the drilled glass, reduce thermal expansion and thermal stress, prevent glass bursting, and thus speed up the drilling speed. At the same time, the water flow can keep the glass surface moist, reduce the generation of glass debris, avoid damage or scratches on the glass surface during processing, and ensure the processing quality. The winding rod is combined with the connecting line to connect the segmented rod to drive the slider to move laterally stably, provide more stable support and guidance, ensure that the slider remains stable during lateral movement, avoid shaking or offset, adjust the drilling position according to different needs, meet the requirements of glass openings of different specifications and shapes, and avoid drilling position deviation caused by errors. , thereby improving processing accuracy and efficiency, connecting multiple groups of suction cups through the support plate to absorb and transmit the tempered glass, evenly distributing the pressure, avoiding the glass from breaking due to uneven force, ensuring that the tempered glass remains stable during the processing process, ensuring the stability of the equipment transmission, using pulleys to assist the stable transportation of tempered glass, providing certain support, ensuring that the tempered glass remains flat during the transportation process, avoiding the glass plate from tilting due to uneven force, using hydraulic rods to connect the pressure plate to provide sufficient pressure to accurately position the tempered glass to the position above the rubber block, ensuring that the tempered glass remains stable during the processing process, avoiding the movement or breakage of the glass due to vibration, and improving the safety of glass opening.
[0006] Preferably, the processing assembly includes a fixed frame, a water tank, a transmission pipe, a slider, a drive motor, a drill bit, a nozzle, a drive box, a sleeve, a winding rod, a segmented rod, a connecting block and a positioning block. A fixed frame is provided above the workbench, a water tank is provided at one end of the fixed frame, a slider is provided inside the fixed frame, a transmission pipe is provided between the slider and the water tank, and nozzles are symmetrically provided at the lower end of the slider, and the nozzles are connected to the transmission pipes. By adopting the nozzle to spray water for cooling synchronously with the drill bit drilling, the surface temperature of the drilled glass can be reduced promptly and quickly, thermal expansion and thermal stress can be reduced, and glass bursting can be prevented, thereby accelerating the drilling speed and improving the processing efficiency. At the same time, the water flow can keep the glass surface moist, reduce the generation of glass debris, avoid damage or scratches on the glass surface during processing, and ensure the processing quality.
[0007] Preferably, a driving motor is provided above the slider, and the slider is slidably arranged inside the fixed frame. A driving rod is provided between the driving motor and the slider, and the driving rod extends through the slider to the lower end. A drill bit is provided at one end of the driving rod. The driving rod is connected to the slider and combined with the drill bit to adjust the drilling position laterally, accurately control the drilling position, adjust the drilling position according to different needs, meet the requirements of glass openings of different specifications and shapes, avoid drilling position deviations caused by errors, and improve processing accuracy.
[0008] Preferably, a driving box is provided on the outside of the fixed frame, a winding rod is provided on the outer end of the driving box, a connecting line is provided on the outer end of the winding rod, a positioning block is provided on one side of the driving box, a sleeve is provided between the positioning block and the driving box, a segmented rod is provided inside the sleeve, a connecting block is provided on the outer end of the segmented rod, the segmented rod is fixedly connected to the slider through the connecting block, the winding rod is movably connected to the segmented rod through the connecting line, and the segmented rod is connected by the winding rod in combination with the connecting line to drive the slider to move laterally stably, providing more stable support and guidance, ensuring that the slider remains stable during lateral movement, avoiding shaking or deviation, thereby improving processing accuracy and efficiency.
[0009] Preferably, the conveying assembly includes a rotating motor, a screw, a driving block, a support plate, a sleeve plate, a pulley and a suction cup. A movable groove for accommodating the screw is opened inside the workbench, a driving block is sleeved on the outer end of the screw, a support plate is provided on the upper end of the driving block, a plurality of groups of suction cups are provided on the upper end of the support plate, and a rotating motor is provided at one end of the screw located on the outside of the workbench. The tempered glass is adsorbed and conveyed by connecting the plurality of suction cups with a support plate to evenly distribute the pressure, thereby preventing the glass from breaking due to uneven force, ensuring that the tempered glass remains stable during the processing, and ensuring the stability of the equipment transmission.
[0010] Preferably, a sleeve plate is symmetrically provided at the lower end of the support plate, a plurality of sets of pulleys are provided inside the sleeve plate, and drainage grooves are symmetrically provided on the surface of the workbench. Pullies are used to assist the stable transportation of the tempered glass and provide a certain support to ensure that the tempered glass remains flat during the transportation process, thereby avoiding tilting of the glass plate due to uneven force.
[0011] Preferably, the positioning assembly includes a positioning frame, a cylinder, a hydraulic rod, a spring, a pressure plate and a rubber block. Positioning frames are symmetrically provided at both ends of the workbench. The fixed frame is fixedly connected to the workbench through the positioning frame. A cylinder is provided at the upper center of the positioning frame. A hydraulic rod is provided between the cylinder and the positioning frame. The hydraulic rod extends through the positioning frame to the inside. A pressure plate is provided at one end of the hydraulic rod. Multiple groups of springs are provided between the pressure plate and the positioning frame. A damper is provided on the inner side of the spring. Multiple groups of rubber blocks are provided at the upper edge of the workbench below the pressure plate. The pressure plate is connected by a hydraulic rod to provide sufficient pressure to accurately position the tempered glass above the rubber block, thereby ensuring that the tempered glass remains stable during the processing, avoiding movement or breakage of the glass due to vibration, and improving the safety of glass opening.
[0012] Beneficial effects of the utility model:
[0013] 1. Compared with traditional processing devices, the nozzle follows the drill bit to drill and spray water for cooling synchronously, which can quickly and timely reduce the surface temperature of the drilled glass, reduce thermal expansion and thermal stress, prevent glass bursting, and thus speed up the drilling speed. At the same time, the water flow can keep the glass surface moist, reduce the generation of glass debris, avoid damage or scratches on the glass surface during processing, and ensure the processing quality. The winding rod is combined with the connecting line to connect the segmented rod to drive the slider to move horizontally stably, providing more stable support and guidance, ensuring that the slider remains stable during lateral movement, avoiding shaking or offset, and adjusting the drilling position according to different needs to meet the requirements of glass openings of different specifications and shapes, avoiding drilling position deviations caused by errors, thereby improving processing accuracy and efficiency.
[0014] 2. Connect multiple groups of suction cups through the support plate to absorb and transmit the tempered glass, evenly distribute the pressure, avoid the glass from breaking due to uneven force, ensure that the tempered glass remains stable during the processing, ensure the stability of the equipment transmission, use pulleys to assist the stable transportation of tempered glass, provide certain support, ensure that the tempered glass remains flat during the transportation process, avoid the glass plate from tilting due to uneven force, use hydraulic rods to connect the pressure plate to provide enough pressure to accurately position the tempered glass to the position above the rubber block, ensure that the tempered glass remains stable during the processing, avoid the movement or breakage of the glass due to vibration, and improve the safety of glass opening. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0016] Figure 2 This is a schematic diagram of the positioning component structure of the utility model;
[0017] Figure 3 This is a schematic diagram of the processing assembly structure of the utility model;
[0018] Figure 4 This is a schematic diagram of the structure of the segmented rod of the utility model;
[0019] Figure 5 It is a schematic diagram of the structure of the conveying component of the utility model.
[0020] Explanation of the accompanying drawings: 1. workbench; 2. processing assembly; 201. fixed frame; 202. water tank; 203. transmission pipe; 204. slider; 205. drive motor; 206. drill bit; 207. nozzle; 208. drive box; 209. casing; 210. winding rod; 211. segmented rod; 212. connecting block; 213. positioning block; 3. conveying assembly; 301. rotating motor; 302. screw; 303. drive block; 304. support plate; 305. sleeve plate; 306. pulley; 307. suction cup; 4. positioning assembly; 401. positioning frame; 402. cylinder; 403. hydraulic rod; 404. spring; 405. pressure plate; 406. rubber block. DETAILED DESCRIPTION
[0021] The utility model is further described below in conjunction with the accompanying drawings and embodiments.
[0022] See also Figure 1-5 The utility model provides an embodiment: a synchronous water spraying device for drilling a tempered glass, comprising a workbench 1, a processing component 2, a conveying component 3 and a positioning component 4; a processing component 2 for synchronously spraying water to cool the glass during the drilling process is installed above the workbench 1, a conveying component 3 for conveying a glass plate to be processed and adjusting its position for drilling processing is installed inside the workbench 1, and a positioning component 4 for fixing and maintaining the position of the glass plate to prevent displacement is installed at the outer end of the workbench 1.
[0023] See also Figure 1-2In this embodiment, the processing assembly 2 includes a fixed frame 201, a water storage tank 202, a transmission pipe 203, a slider 204, a driving motor 205, a drill bit 206, a nozzle 207, a driving box 208, a sleeve 209, a winding rod 210, a segmented rod 211, a connecting block 212 and a positioning block 213. A fixed frame 201 is arranged above the workbench 1, a water storage tank 202 is arranged at one end of the fixed frame 201, a slider 204 is arranged inside the fixed frame 201, a transmission pipe 203 is arranged between the slider 204 and the water storage tank 202, and a nozzle 207 is symmetrically arranged at the lower end of the slider 204, and the nozzle 207 is connected to the transmission pipe 203. By adopting the nozzle 207 to follow the drill bit 206 to drill and spray water synchronously for cooling, the surface temperature of the drilled glass can be quickly and timely reduced, reducing thermal expansion and Thermal stress can prevent glass from bursting, thereby speeding up the drilling speed and improving processing efficiency. At the same time, the water flow can keep the glass surface moist, reduce the generation of glass debris, avoid damage or scratches on the glass surface during processing, and ensure processing quality. A driving motor 205 is provided above the slider 204, and the slider 204 is slidably arranged inside the fixed frame 201. A driving rod is provided between the driving motor 205 and the slider 204, and the driving rod passes through the slider 204 and extends to the lower end. A drill bit 206 is provided at one end of the driving rod. The driving rod is connected to the slider 204 and combined with the drill bit 206 to adjust the drilling position laterally, accurately control the drilling position, adjust the drilling position according to different needs, meet the requirements of glass openings of different specifications and shapes, avoid drilling position deviation caused by errors, and improve processing accuracy.
[0024] See also Figure 2-4In this embodiment, a driving box 208 is provided on the outside of the fixing frame 201, a winding rod 210 is provided on the outer end of the driving box 208, a connecting line is provided on the outer end of the winding rod 210, a positioning block 213 is provided on one side of the driving box 208, a sleeve 209 is provided between the positioning block 213 and the driving box 208, a segmented rod 211 is provided inside the sleeve 209, a connecting block 212 is provided on the outer end of the segmented rod 211, the segmented rod 211 is fixedly connected to the slider 204 through the connecting block 212, the winding rod 210 is movably connected to the segmented rod 211 through the connecting line, and the slider 204 is driven to move stably laterally by using the winding rod 210 in combination with the connecting line to connect the segmented rod 211, thereby providing more stable support and guidance, ensuring that the slider 204 remains stable during the lateral movement, and avoiding shaking or Offset, thereby improving processing accuracy and efficiency, the conveying component 3 includes a rotating motor 301, a screw 302, a driving block 303, a support plate 304, a sleeve plate 305, a pulley 306 and a suction cup 307. The interior of the workbench 1 is provided with a movable groove for accommodating the screw 302, the outer end of the screw 302 is sleeved with a driving block 303, the upper end of the driving block 303 is provided with a support plate 304, the upper end of the support plate 304 is provided with a plurality of suction cups 307, one end of the screw 302 is located on the outer side of the workbench 1 and is provided with a rotating motor 301, and the tempered glass is adsorbed and conveyed by adopting the support plate 304 to connect the plurality of suction cups 307, so as to evenly distribute the pressure, avoid the glass from being broken due to uneven force, ensure that the tempered glass remains stable during the processing, and ensure the stability of the equipment transmission.
[0025] See also Figure 2-5 In this embodiment, a sleeve plate 305 is symmetrically provided at the lower end of the support plate 304, and a plurality of pulleys 306 are provided inside the sleeve plate 305. A drainage groove is symmetrically provided on the surface of the workbench 1. The pulleys 306 are used to assist the stable transportation of the tempered glass, provide a certain support, ensure that the tempered glass remains flat during the transportation process, and avoid the glass plate from tilting due to uneven force. The positioning assembly 4 includes a positioning frame 401, a cylinder 402, a hydraulic rod 403, a spring 404, a pressure plate 405 and a rubber block 406. The positioning frames 401 are symmetrically provided at both ends of the workbench 1. The fixing frame 201 is fixedly connected to the workbench 1 through the positioning frame 401. The upper center of the positioning frame 401 is provided A cylinder 402 is provided, and a hydraulic rod 403 is provided between the cylinder 402 and the positioning frame 401. The hydraulic rod 403 passes through the positioning frame 401 and extends to the inside. A pressure plate 405 is provided at one end of the hydraulic rod 403. A plurality of groups of springs 404 are provided between the pressure plate 405 and the positioning frame 401. A damper is provided on the inner side of the spring 404. A plurality of groups of rubber blocks 406 are provided at the upper edge of the workbench 1 below the pressure plate 405. The pressure plate 405 is connected with the hydraulic rod 403 to provide sufficient pressure to accurately position the tempered glass to the position above the rubber block 406, thereby ensuring that the tempered glass remains stable during the processing, avoiding movement or breakage of the glass due to vibration, and improving the safety of the glass opening.
[0026] When working, first, the tempered glass is transported to the upper end of the support plate 304 and fixed by the suction cup 307. The tempered glass is adsorbed and conveyed by the suction cup 307 to evenly distribute the pressure to avoid the glass from breaking due to uneven force, and to ensure that the tempered glass remains stable during the processing. After the tempered glass is adsorbed and fixed, the rotating motor 301 is started to drive the screw 302 to connect the driving block 303 for transmission. The driving block 303 is used to connect the support plate 304 to move the tempered glass to the bottom of the drill bit 206. During the movement of the driving block 303, the pulley 306 is used to assist the stable transportation of the tempered glass and provide certain support to ensure that the tempered glass remains flat during the transportation process and to avoid the glass plate from tilting due to uneven force. Secondly, the cylinder 402 is started to connect the hydraulic rod 403 and the pressure plate 405 to push the tempered glass to the rubber block 406 for fixing, to ensure that the tempered glass remains stable during the processing, to avoid the movement or breakage of the glass due to vibration, and to achieve the limit fixation of the tempered glass.
[0027] After the tempered glass is positioned, the driving motor 205 is started to connect the driving rod and the drill bit 206 to drill the tempered glass. When the drill bit 206 drills a hole, the transmission pipe 203 transmits the water flow inside the water storage tank 202 to the nozzle 207 for spraying. The nozzle 207 follows the drill bit 206 to drill and spray water for cooling, which can quickly and timely reduce the surface temperature of the drilled glass, reduce thermal expansion and thermal stress, prevent glass from bursting, and speed up the drilling speed. At the same time, the water flow can keep the glass surface moist, reduce the generation of glass debris, and avoid damage or scratches on the glass surface during processing. To ensure the processing quality, when the drilling position needs to be adjusted laterally, the driving rod drives the winding rod 210 in combination with the connecting line to connect the segmented rod 211 to telescopically adjust along the inside of the sleeve 209, and the segmented rod 211 is combined with the connecting block 212 to connect the slider 204 to move laterally stably, providing more stable support and guidance, ensuring that the slider 204 remains stable during the lateral movement to avoid shaking or deviation, accurately controlling the drilling position, adjusting the drilling position according to different needs, meeting the requirements for opening holes in glass of different specifications and shapes, and realizing synchronous water spray cooling when opening holes in tempered glass.
[0028] Through the above steps, the nozzle 207 follows the drill bit 206 to drill and spray water for cooling synchronously, which can timely and quickly reduce the surface temperature of the drilled glass, reduce thermal expansion and thermal stress, prevent glass bursting, and thus speed up the drilling speed. At the same time, the water flow can keep the glass surface moist, reduce the generation of glass debris, avoid damage or scratches on the glass surface during processing, and ensure the processing quality. The winding rod 210 is used in combination with the connecting line to connect the segmented rod 211 to drive the slider 204 to move horizontally stably, provide more stable support and guidance, ensure that the slider 204 remains stable during the lateral movement, avoid shaking or deviation, adjust the drilling position according to different needs, meet the requirements of glass openings of different specifications and shapes, and avoid drilling position deviation caused by errors. The difference can be improved, thereby improving the processing accuracy and efficiency. The support plate 304 is used to connect multiple groups of suction cups 307 to absorb and transmit the tempered glass, evenly distribute the pressure, avoid the glass from breaking due to uneven force, ensure that the tempered glass remains stable during the processing, ensure the stability of the equipment transmission, use the pulley 306 to assist the stable transportation of the tempered glass, provide a certain support, ensure that the tempered glass remains flat during the transportation process, and avoid the glass plate from tilting due to uneven force. The hydraulic rod 403 is connected to the pressure plate 405 to provide sufficient pressure to accurately position the tempered glass to the position above the rubber block 406, ensure that the tempered glass remains stable during the processing, avoid the movement or breakage of the glass due to vibration, and improve the safety of the glass opening.
[0029] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of those skilled in the art without departing from the purpose of the present invention.
Claims
1. A synchronous water spraying device for tempered glass hole opening processing, comprising a workbench (1); characterized in that: The invention also comprises a processing component (2), a conveying component (3) and a positioning component (4); a processing component (2) for synchronously spraying water to cool the glass during the drilling process is installed above the workbench (1); a conveying component (3) for conveying the glass plate to be processed and adjusting its position for hole drilling is installed inside the workbench (1); and a positioning component (4) for fixing and maintaining the position of the glass plate to prevent displacement is installed at the outer end of the workbench (1).
2. The synchronous water spraying device for tempered glass hole opening processing according to claim 1, characterized in that: The processing assembly (2) comprises a fixed frame (201), a water storage tank (202), a transmission pipe (203), a slider (204), a driving motor (205), a drill bit (206), a nozzle (207), a driving box (208), a sleeve (209), a winding rod (210), a segmented rod (211), a connecting block (212) and a positioning block (213). A fixed frame (201) is arranged above the workbench (1); a water storage tank (202) is arranged at one end of the fixed frame (201); a slider (204) is arranged inside the fixed frame (201); a transmission pipe (203) is arranged between the slider (204) and the water storage tank (202); nozzles (207) are symmetrically arranged at the lower end of the slider (204); and the nozzles (207) are connected to the transmission pipe (203).
3. A synchronous water spraying device for tempered glass hole opening processing according to claim 2, characterized in that: A driving motor (205) is arranged above the slider (204), the slider (204) is slidably arranged inside the fixing frame (201), a driving rod is arranged between the driving motor (205) and the slider (204), the driving rod passes through the slider (204) and extends to the lower end, and a drill bit (206) is arranged at one end of the driving rod.
4. The synchronous water spraying device for tempered glass hole opening processing according to claim 3, characterized in that: A driving box (208) is provided on the outside of the fixing frame (201), a winding rod (210) is provided on the outer end of the driving box (208), a connecting line is provided on the outer end of the winding rod (210), a positioning block (213) is provided on one side of the driving box (208), a sleeve (209) is provided between the positioning block (213) and the driving box (208), a segmented rod (211) is provided inside the sleeve (209), a connecting block (212) is provided on the outer end of the segmented rod (211), the segmented rod (211) is fixedly connected to the slider (204) via the connecting block (212), and the winding rod (210) is movably connected to the segmented rod (211) via the connecting line.
5. The synchronous water spraying device for tempered glass hole opening processing according to claim 1, characterized in that: The conveying assembly (3) comprises a rotating motor (301), a screw (302), a driving block (303), a support plate (304), a sleeve plate (305), a pulley (306) and a suction cup (307); a movable groove for accommodating the screw (302) is provided inside the workbench (1); the driving block (303) is sleeved on the outer end of the screw (302); a supporting plate (304) is provided at the upper end of the driving block (303); a plurality of groups of suction cups (307) are provided at the upper end of the supporting plate (304); and a rotating motor (301) is provided at one end of the screw (302) located outside the workbench (1).
6. The synchronous water spraying device for tempered glass hole opening processing according to claim 5, characterized in that: A sleeve plate (305) is symmetrically arranged at the lower end of the support plate (304), a plurality of pulleys (306) are arranged inside the sleeve plate (305), and drainage grooves are symmetrically arranged on the surface of the workbench (1).
7. The synchronous water spraying device for tempered glass hole opening processing according to claim 1, characterized in that: The positioning assembly (4) comprises a positioning frame (401), a cylinder (402), a hydraulic rod (403), a spring (404), a pressure plate (405) and a rubber block (406). The positioning frames (401) are symmetrically arranged at both ends of the workbench (1). The fixed frame (201) is fixedly connected to the workbench (1) through the positioning frame (401). The cylinder (402) is arranged at the center of the upper part of the positioning frame (401). A hydraulic rod (403) is arranged between the cylinder (402) and the positioning frame (401). The hydraulic rod (403) passes through the positioning frame (401) and extends to the inside. A pressure plate (405) is arranged at one end of the hydraulic rod (403). Multiple groups of springs (404) are arranged between the pressure plate (405) and the positioning frame (401). A damper is arranged on the inner side of the spring (404). Multiple groups of rubber blocks (406) are arranged at the upper edge of the workbench (1) below the pressure plate (405).
Citation Information
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