Gantry type cylindrical surface grinding machine

Abstract

The invention discloses a gantry type cylindrical surface grinding miller, and relates to the technical field of cylindrical mirror grinding, the gantry type cylindrical surface grinding miller comprises a rack, a bearing table is fixedly mounted in the rack, a first moving seat is mounted at the top of the rack, and transverse driving parts are mounted at the two ends of the first moving seat; a longitudinal driving part is installed on one side of the first moving seat, a second moving seat is installed on the other side of the first moving seat, a lifting driving part is installed in the second moving seat, a grinding tool replacing frame is arranged at the front end of the rack, and a transmission assembly is installed at the top of the grinding tool replacing frame. Accurate positioning of movement of the grinding tool on the connector and accurate control over the grinding speed can be achieved, the grinding requirement of cylindrical mirrors of any size can be met, the matching relation between the rotating speed of the main shaft and the moving speed of the grinding tool can be automatically adjusted, it is guaranteed that the optimal grinding condition is kept all the time in the grinding process, and the phenomenon of uneven grinding is avoided.

Description

Technical Field

[0001] This invention relates to the field of cylindrical mirror grinding technology, specifically a gantry-type cylindrical mirror grinding machine. Background Technology

[0002] Cylindrical mirrors, as important optical components, have wide applications in laser processing, medical imaging, and spectral analysis. Their surface quality and surface accuracy directly determine the imaging quality and energy distribution of the optical system. Currently, the grinding and processing of cylindrical mirrors mainly relies on traditional optical grinding equipment or general-purpose cylindrical grinding machines, but these devices have significant technical limitations in meeting the special process requirements of cylindrical mirrors.

[0003] In the existing technology, cylindrical mirror grinding faces the following prominent problems: First, the motion accuracy is difficult to meet the requirements of optical processing. The dynamic response characteristics of the servo control system of traditional equipment are insufficient, making it difficult to accurately track complex trajectories during the grinding process. Especially when dealing with asymmetric cylindrical surfaces or special conical surfaces, the processing accuracy is even more difficult to guarantee.

[0004] Secondly, the control of grinding process parameters lacks precise coordination. Grinding cylindrical mirrors requires maintaining a constant linear speed and stable feed rate across the entire machined surface, but the speed control systems of existing equipment are rather crude. When grinding cylindrical mirrors with different radii of curvature, operators need to manually adjust the matching relationship between the spindle speed and axial movement speed, making it difficult to maintain optimal grinding conditions. This speed mismatch leads to uneven grinding, generating mid-to-high frequency errors on the mirror surface and affecting light propagation characteristics.

[0005] The process of changing and adjusting grinding tools is heavily reliant on manual operation. Cylindrical mirror grinding requires rough grinding, fine grinding, and multiple polishing processes, each necessitating the use of specialized grinding tools of different grit sizes and materials. In existing technologies, the disassembly, installation, and positioning of the grinding tools are entirely manual, a time-consuming process inherent in installation and positioning errors. Frequent manual intervention not only reduces equipment utilization but also leads to inconsistent processing due to poor positioning repeatability.

[0006] Therefore, there is an urgent need in this field to develop a new type of gantry-type cylindrical mirror grinding equipment that can achieve high-precision positioning and speed control of the grinding head system, thereby improving the surface accuracy, surface quality and production efficiency of cylindrical mirror processing. Summary of the Invention

[0007] The purpose of this invention is to provide a gantry-type cylindrical surface grinding machine to solve the problems mentioned in the prior art.

[0008] To achieve the above objectives, the present invention provides the following technical solution: The gantry-type cylindrical surface grinding machine includes a frame, a support platform is fixedly installed inside the frame, a first movable seat is installed on the top of the frame, a transverse drive component is installed at both ends of the first movable seat, a longitudinal drive component is installed on one side of the first movable seat, a second movable seat is installed on the other side of the first movable seat, a lifting drive component is installed inside the second movable seat, a mold changing frame is provided at the front end of the frame, and a transmission component is installed on the top of the mold changing frame.

[0009] As a preferred technical solution, transverse racks are provided on both sides of the top of the frame, transverse rails are provided on the inner side of the transverse racks, a water tank is provided in the middle of the frame, slopes are provided on both sides of the water tank, and a drain outlet is provided at the lowest point of the slope.

[0010] As a preferred technical solution, the support platform is installed inside the water tank, a baffle is provided at the connection between the support platform and the water tank, a number of positioning slots are provided at equal intervals on the support platform, and a fixing component is installed on the support platform.

[0011] As a preferred technical solution, mounting plates are provided on both sides of the first movable seat, and a first slider is provided at the bottom of the mounting plate. The first slider is embedded in the transverse track. A straight groove is provided in the middle of the first movable seat. A longitudinal rack is provided on one side of the first movable seat, and a longitudinal track is provided on the other side of the first movable seat.

[0012] As a preferred technical solution, the lateral drive component is fixedly mounted on the mounting plate. The lateral drive component includes a motor, which is connected to a reducer. A lateral gear is provided at the bottom of the reducer, and the lateral gear meshes with the lateral rack. The longitudinal drive component has the same structure as the lateral drive component, and the longitudinal gear on the longitudinal drive component meshes with the longitudinal rack.

[0013] As a preferred technical solution, a second slider is provided at the bottom of the second movable seat, a support plate is provided on the second movable seat, the longitudinal drive member is fixed on the support plate, and a lifting rail is provided at the top of the second movable seat.

[0014] As a preferred technical solution, the lifting drive component includes a lifting motor, the output end of which is connected to a lead screw, the second connecting seat is connected to a lifting base, a lifting slider is provided at the bottom of the lifting base, the lifting slider is connected to the lifting track, a connecting seat is also provided at the bottom of the lifting base, the connecting seat is sleeved on the lead screw, a connecting part is installed on the lifting base, the connecting part includes a cylinder, the cylinder is connected to a connecting head, and the connecting head is connected to a mold.

[0015] As a preferred technical solution, the mold changing rack is symmetrically equipped with a conveyor belt, one end of which is equipped with a rotating shaft. Carrier plates are equidistantly arranged on the conveyor belt, and molds are placed on the carrier plates. A conveying platform is provided on the front side of the mold changing rack, and a push motor is provided on the rear side of the mold changing rack. The output end of the push motor is connected to the push plate, and a vision sensor is installed near the conveying platform.

[0016] As a preferred technical solution, the transmission assembly includes a transmission motor, a drive gear is provided below the transmission motor, the output end of the transmission motor, the drive gear and any of the rotating shafts are connected by a first belt, a driven gear is installed on one side of the drive gear, and the driven gear is connected to another rotating shaft by a second belt.

[0017] Compared with the prior art, the beneficial effects of the present invention are: 1. Through the cooperation of the transverse drive and the longitudinal drive, the precise positioning of the grinding wheel on the connector head and the precise control of the grinding speed can be achieved, which can meet the grinding requirements of cylindrical mirrors of any size. Furthermore, through the precise control of the transverse drive, the longitudinal drive and the lifting drive, the matching relationship between the spindle speed and the grinding wheel movement speed can be automatically adjusted to ensure that the best grinding conditions are always maintained during the grinding process and to avoid uneven grinding. 2. The grinding of cylindrical mirrors is divided into different stages. When the grinding reaches a certain level, the grinding wheel needs to be replaced. The old grinding wheel is placed on the grinding wheel replacement rack by the cooperation of the transverse drive and the longitudinal drive, and the new grinding wheel is taken out by the transmission component and installed on the connector. The above cooperation can realize the automatic replacement of grinding wheel, which greatly saves the grinding time of cylindrical mirrors and improves the grinding efficiency. 3. A vision sensor is installed on one side of the conveyor table. During the grinding wheel replacement process, it can detect the grinding precision of the newly taken-out grinding wheel, which can avoid taking out the wrong grinding wheel and affecting the grinding effect. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is a cross-sectional view of the frame structure of the present invention; Figure 3 This is a schematic diagram of a half-section of the frame of the present invention; Figure 4 This is a schematic diagram of the structure of the first movable base of the present invention; Figure 5 This is a schematic diagram of the mold changing frame of the present invention; Figure 6 This is a cross-sectional structural diagram of the mold changing frame of the present invention.

[0019] In the diagram: 1. Frame; 2. Support platform; 3. First moving seat; 4. Lateral drive component; 5. Longitudinal drive component; 6. Second moving seat; 7. Lifting drive component; 8. Mold changing frame; 9. Transmission assembly; 11. Transverse rack; 12. Transverse track; 13. Water tank; 21. Baffle; 22. Positioning groove; 23. Fixing component; 31. Mounting plate; 32. First slider; 33. Straight groove; 34. Longitudinal rack; 35. Longitudinal track; 41. Motor; 42. Reducer; 43. Transverse gear; 51. Longitudinal gear; 61. Transverse slider; 62. Support plate; 63. Lifting track; 71. Lifting motor; 72. Lead screw; 73. Lifting base; 74. Connecting part; 75. Mold; 81. Conveyor belt; 82. Conveyor table; 83. Push motor; 84. Vision sensor; 91. Drive motor; 92. Driving gear; 93. First belt; 94. Driven gear; 95. Second belt; 1301, ramp; 1302, drain outlet; 7301, lifting slider; 7302, connecting seat; 7401, cylinder; 7402, connector; 8101, rotating shaft; 8102, carrier plate; 8301, push plate. Detailed Implementation

[0020] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0021] Example: Figures 1-6As shown, this invention provides a technical solution for a gantry-type cylindrical surface grinding machine. The gantry-type cylindrical surface grinding machine includes a frame 1, a support platform 2 fixedly installed inside the frame 1, a first movable seat 3 installed on the top of the frame 1, transverse drive components 4 installed at both ends of the first movable seat 3, a longitudinal drive component 5 installed on one side of the first movable seat 3, and a second movable seat 6 installed on the other side of the first movable seat 3. A lifting drive component 7 is installed inside the second movable seat 6. A grinding wheel replacement frame 8 is provided at the front end of the frame 1, and a transmission assembly 9 is installed on the top of the grinding wheel replacement frame 8. Before grinding, a suitable grinding wheel 75 must be selected and installed on the connector 7402. All types of grinding wheels 75 are placed in the grinding wheel... Once the grinding wheel 75 to be used is determined within the tool changing rack 8, it can be moved to the conveyor table 82 via the transmission assembly 9. First, the drive motor 91 starts. Since the output end of the drive motor 91, the drive gear 92, and one of the rotating shafts 8101 are connected by a first belt 93, when the output end of the drive motor 91 rotates, the drive gear 92 and the rotating shaft 8101 rotate synchronously through the transmission of the first belt 93. The rotation of the rotating shaft 8101 drives the rotation of one side of the conveyor belt 81. The rotation of the drive gear 92 then drives the rotation of the driven gear 94 meshing with it. The driven gear 94 then meshes with the rotating shaft 81 on the other side. 01 is connected via a second belt 95, so when the drive motor 91 starts, it can achieve synchronous and mirror-like movement of the two conveyor belts 81. Furthermore, the forward and reverse rotation of the drive motor 91 can raise and lower all the grinding molds 75 on the conveyor belts 81. At this time, the selected grinding mold 75 is moved to the same horizontal level as the conveyor table 82 via the transmission assembly 9. The vision sensor 84 detects whether the grinding mold 75 meets the requirements. Then, the push motor 83 on the other side starts, and the push plate 8301 pushes the grinding mold 75 on the carrier plate 8102 onto the conveyor table 82. Then, through the cooperation of the transverse drive component 4, the longitudinal drive component 5, and the lifting drive component 7, the connector 7402 is... Move the assembly to directly above the conveyor table 82 and connect the connector 7402 to the grinding wheel 75. After the grinding wheel 75 is installed, place the cylindrical mirror to be ground on the support table 2 and fix it with the fixing component 23. Then, using the cooperation of the transverse drive component 4, the longitudinal drive component 5, and the lifting drive component 7, move the grinding wheel 75 directly above the cylindrical mirror to begin grinding. Through the precise control of the transverse drive component 4, the longitudinal drive component 5, and the lifting drive component 7, the matching relationship between the spindle speed and the moving speed of the grinding wheel 75 can be automatically adjusted to ensure that the best grinding conditions are maintained during the grinding process and to avoid uneven grinding.

[0022] The frame 1 has transverse racks 11 on both sides of its top, and transverse rails 12 on the inner side of the transverse racks 11. A water tank 13 is located in the middle of the frame 1, and ramps 1301 are located on both sides of the water tank 13. A drain outlet 1302 is located at the lowest point of the ramps 1301. The transverse racks 11 and transverse rails 12 on both sides of the frame 1 are symmetrically arranged. The transverse rails 12 on both sides limit the transverse movement of the first moving seat 3 to prevent errors during the grinding process of the grinding mold 75. Coolant is continuously sprayed onto the grinding mold 75 during the grinding process, which also lubricates the grinding surface and ensures the grinding accuracy. The water tank 13 can collect this coolant to avoid environmental pollution caused by random discharge of coolant. The ramps 1301 in the water tank 13 allow the coolant to flow automatically into the drain outlet 1302, which is connected to external sewage purification equipment to achieve the goal of green discharge.

[0023] The support platform 2 is installed inside the water tank 13. A baffle 21 is provided at the connection between the support platform 2 and the water tank 13. Several positioning slots 22 are provided at equal intervals on the support platform 2. Fixing members 23 are installed on the support platform 2. There are two sets of fixing members 23, which can clamp the cylindrical mirror between the two fixing members 23 to prevent the cylindrical mirror from shifting during the grinding process and causing grinding errors. Each fixing member 23 has a mounting hole. The bolt passes through the mounting hole and is inserted into the positioning slot 22 and tightened to complete the fixing of the fixing member 23.

[0024] Mounting plates 31 are provided on both sides of the first movable seat 3. A first slider 32 is provided at the bottom of the mounting plate 31. The first slider 32 is embedded in the transverse rail 12. A straight groove 33 is provided in the middle of the first movable seat 3. A longitudinal rack 34 is provided on one side of the first movable seat 3. A longitudinal rail 35 is provided on the other side of the first movable seat 3.

[0025] The transverse drive component 4 is fixedly installed on the mounting plate 31. The transverse drive component 4 includes a motor 41, which is connected to a reducer 42. A transverse gear 43 is provided at the bottom of the reducer 42, which meshes with a transverse rack 11. The longitudinal drive component 5 has the same structure as the transverse drive component 4. The longitudinal gear 51 on the longitudinal drive component 5 meshes with a longitudinal rack 34. The transverse drive components 4 are installed on both sides of the first moving seat 3, and the two transverse drive components 4 operate synchronously to ensure that the first moving seat 3 remains parallel during movement, thus avoiding uneven grinding of the cylindrical mirror during the grinding process.

[0026] The second movable seat 6 has a second slider 61 at its bottom and a support plate 62 on its top. The longitudinal drive member 5 is fixed on the support plate 62, and the second movable seat 6 has a lifting rail 63 at its top. When the longitudinal drive member 5 is started, the longitudinal gear 51 at the bottom meshes with the longitudinal rack 34. When the longitudinal gear 51 rotates, it will drive the entire longitudinal drive member 5 to move. The longitudinal drive member 5 is fixed on the support plate 62 of the second movable seat 6. Therefore, when the longitudinal drive member 5 is started, the forward and reverse rotation of the longitudinal gear 51 will drive the second movable seat 6 to move along the direction of the longitudinal rail 35.

[0027] The lifting drive component 7 includes a lifting motor 71, the output end of which is connected to a lead screw 72. A second connecting seat 6 is connected to a lifting base 73. A lifting slider 7301 is provided at the bottom of the lifting base 73, and the lifting slider 7301 is connected to a lifting rail 63. A connecting seat 7302 is also provided at the bottom of the lifting base 73, and the connecting seat 7302 is sleeved on the lead screw 72. A connecting part 74 is installed on the lifting base 73, and the connecting part 74 includes a cylinder 7401, which is connected to a connecting head 7402. The connecting head 7402 is connected to a mold 75.

[0028] A grinding wheel changing rack 8 is symmetrically equipped with conveyor belts 81, with a rotating shaft 8101 at one end of each belt. Carrier plates 8102 are equidistantly arranged on the conveyor belts 81, and grinding wheels 75 are placed on the carrier plates 8102. A conveyor table 82 is located at the front of the grinding wheel changing rack 8, and a drive motor 83 is located at the rear. The output of the drive motor 83 is connected to a push plate 8301. A vision sensor 84 is installed near the conveyor table 82. Carrier plates 8102 are installed on both sets of conveyor belts 81. The grinding wheels 75 are fixedly placed on the grinding wheel changing rack 8 via the carrier plates 8102. The rotating shaft 8101 drives the conveyor belts 81 to move, thus achieving grinding... The mold 75 moves up and down. After the desired mold 75 is selected, the conveyor belt 81 moves the mold 75 to the same horizontal height as the conveyor table 82. Driven by the push motor 83, the push plate 8301 pushes the mold 75 towards the conveyor table 82 to remove the mold 75. Conversely, after the used mold 75 is placed on the conveyor table 82, the reverse rotation of the conveyor belt on the conveyor table 82 places the mold 75 back onto the carrier plate 8102. During the picking and placing process, the vision sensor 84 can detect the specific information of picking and placing the mold 75 to avoid the mold 75 being picked up not matching the actual needs.

[0029] The transmission assembly 9 includes a transmission motor 91, with a drive gear 92 located below the transmission motor 91. The output end of the transmission motor 91, the drive gear 92, and any rotating shaft 8101 are connected by a first belt 93. A driven gear 94 is installed on one side of the drive gear 92. The driven gear 94 is connected to another rotating shaft 8101 by a second belt 95. The drive gear 92 meshes with the driven gear 94. When the drive gear 92 rotates, it will drive the driven gear 94 to rotate synchronously, thereby realizing the synchronous movement of the two transmission belts 81, ensuring that the mold 75 remains horizontal during the up and down movement and will not fall off the carrier plate 8102.

[0030] Working principle of the invention: Before grinding, a suitable grinding wheel 75 must be selected and installed on the connector 7402. All types of grinding wheels 75 are placed in the grinding wheel changing rack 8. After determining the grinding wheel 75 to be used, the selected grinding wheel 75 can be moved to the conveyor table 82 via the transmission assembly 9. First, the drive motor 91 is started. Since the output end of the drive motor 91, the drive gear 92, and one of the rotating shafts 8101 are connected by the first belt 93, when the output end of the drive motor 91 rotates, the drive gear 92 and the rotating shaft 8101 can rotate synchronously through the transmission of the first belt 93. The rotation of the rotating shaft 8101 will drive the rotation of one side of the transmission belt 81. The rotation of the drive gear 92 will drive the rotation of the driven gear 94 that meshes with it. The driven gear 94 will then mesh with another... One side of the rotating shaft 8101 is connected by the second belt 95. Therefore, when the drive motor 91 is started, the two conveyor belts 81 can move synchronously and mirror each other. The forward and reverse rotation of the drive motor 91 can raise and lower all the grinding molds 75 on the conveyor belts 81. At this time, the selected grinding mold 75 is moved to the same horizontal height as the conveyor table 82 by the transmission component 9. The vision sensor 84 detects whether the grinding mold 75 meets the requirements. Then, the push motor 83 on the other side is started, and the grinding mold 75 on the carrier plate 8102 is pushed into the conveyor table 82 by the push plate 8301. Then, through the cooperation of the transverse drive component 4, the longitudinal drive component 5 and the lifting drive component 7, the connector 7402 is moved to the top of the conveyor table 82, and the connection between the connector 7402 and the grinding mold 75 is completed.

[0031] After the grinding wheel 75 is installed, the cylindrical mirror to be ground is placed on the support table 2 and fixed by the fixing component 23. Then, the grinding wheel 75 is moved to the top of the cylindrical mirror by the cooperation of the transverse drive component 4, the longitudinal drive component 5 and the lifting drive component 7, and the grinding of the cylindrical mirror begins.

[0032] By cooperating with the transverse drive component 4 and the longitudinal drive component 5, precise positioning of the grinding wheel 75 on the connector 7402 and precise control of the grinding speed can be achieved, which can meet the grinding requirements of cylindrical mirrors of any size. Furthermore, through the precise control of the transverse drive component 4, the longitudinal drive component 5 and the lifting drive component 7, the matching relationship between the spindle speed and the grinding wheel 75 movement speed can be automatically adjusted to ensure that the best grinding conditions are always maintained during the grinding process and to avoid uneven grinding.

[0033] The grinding of cylindrical mirrors is divided into different stages. When the grinding reaches a certain level, the grinding tool 75 needs to be replaced. The old grinding tool 75 is placed on the grinding tool replacement frame 8 by the cooperation of the transverse drive component 4 and the longitudinal drive component 5, and the new grinding tool 75 is taken out by the transmission component 9 and installed on the connector 7402. Through the above cooperation, the grinding tool 75 can be automatically replaced, which greatly saves the grinding time of cylindrical mirrors and improves the grinding efficiency.

[0034] A vision sensor 84 is installed on one side of the conveyor table 82. During the replacement of the grinding mold 75, the grinding precision of the newly taken-out grinding mold 75 can be detected, which can avoid taking out the wrong grinding mold 75 and affecting the grinding effect.

[0035] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the invention can be implemented in other specific forms without departing from its spirit or essential characteristics. Therefore, the embodiments should be considered in all respects as exemplary and non-limiting, and the scope of the invention is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within the present invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A gantry-type cylindrical grinder characterized by: The gantry type cylindrical grinding machine comprises a frame (1), a bearing table (2) fixedly installed in the frame (1), a first moving seat (3) installed on the top of the frame (1), transverse driving members (4) installed at both ends of the first moving seat (3), a longitudinal driving member (5) installed on one side of the first moving seat (3), a second moving seat (6) installed on the other side of the first moving seat (3), a lifting driving member (7) installed in the second moving seat (6), and a grinding tool changing rack (8) arranged at the front end of the frame (1) and having a transmission assembly (9) installed on the top thereof.

2. The gantry-type cylindrical lapping machine according to claim 1, characterized in that: Both sides of the top of the frame (1) are provided with transverse racks (11), the inner sides of the transverse racks (11) are provided with transverse rails (12), the middle of the frame (1) is provided with a water tank (13), both sides of the water tank (13) are provided with slopes (1301), and the lowest parts of the slopes (1301) are provided with drain outlets (1302).

3. The gantry-type cylindrical lapping machine according to claim 2, characterized in that: The bearing table (2) is installed in the water tank (13), the bearing table (2) is provided with a baffle (21) at the connection with the water tank (13), a plurality of positioning grooves (22) are equidistantly arranged on the bearing table (2), and a fixing member (23) is installed on the bearing table (2).

4. The gantry-type cylindrical lapping machine according to claim 3, characterized in that: Both sides of the first moving seat (3) are provided with mounting plates (31), the bottom of each mounting plate (31) is provided with a first sliding block (32) embedded in the transverse rail (12), a straight groove (33) is formed in the middle of the first moving seat (3), one side of the first moving seat (3) is provided with a longitudinal rack (34), and the other side of the first moving seat (3) is provided with a longitudinal rail (35).

5. The gantry-type cylindrical lapping machine according to claim 4, characterized in that: The transverse driving member (4) is fixedly installed on the mounting plate (31), the transverse driving member (4) comprises a motor (41), the motor (41) is connected with a speed reducer (42), the bottom of the speed reducer (42) is provided with a transverse gear (43), the transverse gear (43) is engaged with the transverse rack (11), the longitudinal driving member (5) is identical in structure with the transverse driving member (4), and the longitudinal gear (51) on the longitudinal driving member (5) is engaged with the longitudinal rack (34).

6. A gantry-type cylindrical lapping machine according to claim 5, characterized in that: The second moving seat (6) is provided with a second sliding block (61) at the bottom, a supporting plate (62) is arranged on the second moving seat (6), the longitudinal driving member (5) is fixed on the supporting plate (62), and the second moving seat (6) is provided with a lifting rail (63) at the top.

7. A gantry-type cylindrical lapping machine according to claim 6, characterized in that: The lifting driving part (7) comprises a lifting motor (71), the output end of the lifting motor (71) is connected with a lead screw (72), the second connecting seat (6) is connected with a lifting base (73), the bottom of the lifting base (73) is provided with a lifting sliding block (7301), the lifting sliding block (7301) is connected with the lifting rail (63), the bottom of the lifting base (73) is further provided with a connecting seat (7302), the connecting seat (7302) is sleeved on the lead screw (72), the lifting base (73) is provided with a connecting part (74), the connecting part (74) comprises a gas cylinder (7401), the gas cylinder (7401) is connected with a connecting head (7402), the connecting head (7402) is connected with a grinding tool (75).

8. A gantry-type cylindrical lapping machine according to claim 7, characterized in that: The grinding tool changing frame (8) is symmetrically provided with a conveying belt (81), one end of the conveying belt (81) is provided with a rotating shaft (8101), the conveying belt (81) is provided with a carrier plate (8102) at equal intervals, the carrier plate (8102) is placed with a grinding tool (75), the front side of the grinding tool changing frame (8) is provided with a conveying table (82), the rear side of the grinding tool changing frame (8) is provided with a pushing motor (83), the output end of the pushing motor (83) is connected with a pushing plate (8301), the conveying table (82) is provided near the visual sensor (84).

9. A gantry-type cylindrical lapping machine according to claim 8, characterized in that: The transmission assembly (9) comprises a transmission motor (91), the transmission motor (91) is provided below with a driving gear (92), the output end of the transmission motor (91), the driving gear (92) and any rotating shaft (8101) are connected through a first belt (93), the driving gear (92) is provided on one side with a driven gear (94), the driven gear (94) and the other rotating shaft (8101) are connected through a second belt (95).

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