Cutter repairing system and grinding equipment

Abstract

The utility model discloses a dressing system and grinding equipment, the dressing system comprises a base, a turret clamping mechanism and a sliding table grinding wheel mechanism, the base is provided with a grinding station, the sliding table grinding wheel mechanism is arranged at the grinding station, the turret clamping mechanism is provided with a clamping assembly, and the sliding table grinding wheel mechanism is arranged on the clamping assembly. The sliding table grinding wheel mechanism reciprocates in the radial direction of the turret clamping mechanism, and a cutter repairing device is arranged in the side direction of the clamping assembly so as to execute cutter repairing operation on the sliding table grinding wheel mechanism moving to the cutter repairing device. Compared with the prior art, the tool repairing device is arranged in the lateral direction of the clamping assembly, tool repairing operation is carried out on the grinding device while grinding operation is carried out on materials clamped by the clamping assembly, the grinding device does not need to be controlled to move to a tool repairing station to carry out tool repairing operation, the equipment is simplified, and the grinding machining efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of machining, in particular to a tool dressing system and a grinding device. Background Art

[0002] Silicon wafers are important materials used in solar photovoltaic power generation. The manufacturing process of silicon wafers used to make solar panels is divided into several steps: crystal pulling, truncating, squaring, edge grinding, slicing, etc. Crystal pulling is to generate a cylindrical silicon rod with a maximum length of 11 meters by chemical deposition in a crystal pulling furnace; truncating means cutting the pulled silicon rod into small segments with different lengths (100 - 950 mm); squaring means cutting the silicon rods with different lengths obtained by truncating into cuboid shapes; edge grinding means using a grinding tool to grind and polish the four surfaces of the cuboid-shaped single-crystal silicon rod after squaring, and rounding the four edges.

[0003] During the squaring process of the silicon rod, in addition to generating usable crystal rods in cuboid shapes, four edge scraps with arc surfaces will also be generated. In the traditional processing technology of single-crystal silicon rods, the edge silicon scraps are usually regarded as "waste materials", which are broken and then sent back to the furnace to be pulled into single-crystal silicon rods again. The processing technology is complex and the production efficiency is low. In order to further improve the processing efficiency of silicon rods, existing processing equipment for edge scraps can obtain usable silicon blocks after performing operations such as edge squaring, truncating, and grinding on the edge scraps again.

[0004] During the grinding operation, the grinding wheel needs to be dressed frequently to ensure the grinding efficiency of the grinding wheel. In the existing grinding equipment, when the material ground by the grinding wheel does not meet the grinding accuracy or it is detected that the grinding wheel meets the tool dressing condition, the grinding wheel first stops grinding and then moves from the grinding station to the tool dressing station to perform the tool dressing operation. This not only increases the complexity of the equipment but also reduces the overall operating efficiency of the grinding equipment due to the tool dressing operation of the grinding wheel. Summary of the Utility Model

[0005] The purpose of the utility model is to provide a tool dressing system and a grinding device to solve the problems in the prior art that a tool dressing device needs to be set at the tool dressing station, which increases the complexity of the equipment and reduces the grinding efficiency.

[0006] In one aspect of the utility model, a tool dressing system is provided, which includes a base, a turret clamping mechanism, and a slide table grinding wheel mechanism. A grinding station is arranged on the base, the slide table grinding wheel mechanism is arranged at the grinding station, a clamping component is arranged on the turret clamping mechanism, the slide table grinding wheel mechanism reciprocates in the radial direction of the turret clamping mechanism, and a tool dressing device is arranged laterally to the clamping component to perform a tool dressing operation on the slide table grinding wheel mechanism that moves to the tool dressing device.

[0007] Further, a plurality of grinding stations are provided on the base. The turret clamping mechanism includes a central turret, and a plurality of clamping components are arranged along the circumferential direction of the central turret. The central turret rotates around its longitudinal central axis so that each clamping component rotates between different grinding stations, and a tool dressing device is arranged laterally on at least one clamping component.

[0008] Further, the clamping component includes a first chuck component and a second chuck component arranged oppositely. The second chuck component includes a second chuck bracket and a second chuck. The second chuck bracket includes a first support portion and a second support portion. The first support portion is connected to the central turret, and the second support portion extends away from the central turret in the radial direction of the central turret and is connected to the second chuck. The axial length of the first support portion is greater than that of the second support portion, and the tool dressing device is arranged on the first support portion.

[0009] Further, the tool dressing device includes an oilstone component, and the oilstone component includes oilstones arranged oppositely on both lateral sides of the first support portion.

[0010] Further, the first chuck component includes a first chuck bracket and a first chuck. One end of the first chuck bracket is connected to the side wall of the central turret, and the other end extends in the radial direction of the central turret and is connected to the first chuck. The first chuck bracket and / or the second chuck bracket move reciprocally in the axial direction of the central turret to clamp or release the material.

[0011] Further, the grinding stations include a rough grinding station and a finish grinding station. A rough grinding tool dressing device is arranged laterally on at least one clamping component, and a finish grinding tool dressing device is arranged laterally on at least two clamping components.

[0012] Further, the slide table grinding wheel mechanism includes a slide table feed guide arranged in the radial direction of the turret clamping mechanism and a grinding wheel slide table slidably connected to the slide table feed guide. Grinding wheel assemblies are arranged oppositely on the grinding wheel slide table, and the grinding wheel slide table approaches or moves away from the grinding clamping component in the radial direction of the turret clamping mechanism.

[0013] Further, the grinding wheel assembly includes a grinding wheel drive assembly, a grinding wheel, and a spindle unit. The spindle unit includes a rotating spindle and a spindle housing arranged coaxially with the rotating spindle. The grinding wheel drive assembly drives the rotating spindle to rotate to drive the grinding wheel connected to the end of the rotating spindle to rotate. The spindle housing is fixedly connected to the grinding wheel drive assembly, and the spindle housing is provided with a grinding wheel cooling component, and the grinding wheel cooling component cools the grinding wheel.

[0014] Further, the grinding wheel cooling component includes a liquid inlet and a spray head extending to the side of the grinding wheel. The liquid inlet is connected to an external coolant, and the coolant is sprayed onto the grinding wheel through the spray head.

[0015] On the other hand, the present utility model provides a grinding device, including the tool dressing system described in the above items.

[0016] The knife grinding system provided by the present utility model has the following advantages:

[0017] 1. The knife grinding device is arranged on the side of the clamping component, and while performing grinding operation on the material clamped by the clamping component, the knife grinding operation is performed on the grinding device. There is no need to control the grinding device to move to the knife grinding station to perform the knife grinding operation, which not only simplifies the equipment but also improves the grinding processing efficiency;

[0018] 2. By arranging multiple groups of different knife grinding devices on different clamping components, the knife grinding operation can be performed on the rough grinding wheel and the fine grinding wheel simultaneously, further improving the processing efficiency of the grinding equipment. Description of the Drawings

[0019] Figure 1 It is a schematic diagram of the processing flow of the edge skin material after square cutting of the silicon rod in the embodiment of the present utility model.

[0020] Figure 2 It is a schematic diagram of the external shape structure of the silicon block in the embodiment of the present utility model.

[0021] Figure 3 It is a perspective view of the grinding equipment in the embodiment of the present utility model.

[0022] Figure 4 It is a top view of the grinding equipment in the embodiment of the present utility model.

[0023] Figure 5 It is a perspective view of the grinding equipment in the embodiment of the present utility model from another perspective.

[0024] Figure 6 It is a perspective view of the transfer connection mechanism in the embodiment of the present utility model.

[0025] Figure 7 It is a schematic diagram of the transfer connection mechanism in the embodiment of the present utility model being docked with the horizontal direction transmission device.

[0026] Figure 8 It is a schematic diagram of the transfer connection mechanism in the embodiment of the present utility model being docked with the vertical direction transmission device.

[0027] Figure 9 It is a perspective view of the storage device in the embodiment of the present utility model.

[0028] Figure 10 It is a detailed structural diagram of the lifting drive mechanism of the storage bin in the embodiment of the present utility model.

[0029] Figure 11 It is a perspective view of the storage device in the embodiment of the present utility model from another perspective.

[0030] Figure 12It is a perspective view of the transfer and centering mechanism according to an embodiment of the present utility model.

[0031] Figure 13 It is a detailed structural view of the second-direction driving component of the centering assembly according to an embodiment of the present utility model.

[0032] Figure 14 It is a detailed structural view of the third-direction driving component of the centering assembly according to an embodiment of the present utility model.

[0033] Figure 15 It is a schematic diagram when the centering assembly performs centering operation on the silicon block according to an embodiment of the present utility model.

[0034] Figure 16 It is a perspective view of the turret clamping mechanism according to an embodiment of the present utility model.

[0035] Figure 17 It is a top view of the turret clamping mechanism according to an embodiment of the present utility model.

[0036] Figure 18 It is a perspective view of the turret clamping mechanism installed on the base according to an embodiment of the present utility model.

[0037] Figure 19 It is a perspective view of the partial clamping component in the turret clamping mechanism according to an embodiment of the present utility model.

[0038] Figure 20 It is a cross-sectional view of the partial clamping component in the turret clamping mechanism according to an embodiment of the present utility model.

[0039] Figure 21 It is a schematic structural view of the clamping chamber of the clamping component according to an embodiment of the present utility model.

[0040] Figure 22 It is a schematic diagram when the clamping component clamps the silicon block for grinding operation according to an embodiment of the present utility model.

[0041] Figure 23 It is a perspective view of the slide table grinding wheel mechanism according to an embodiment of the present utility model.

[0042] Figure 24 It is an end side view of the grinding wheel assembly according to an embodiment of the present utility model.

[0043] Figure 25 It is a schematic structural view of the grinding wheel driving chamber according to an embodiment of the present utility model.

[0044] Figure 26 It is a schematic diagram when performing grinding wheel position calibration according to an embodiment of the present utility model.

[0045] Figure 27 It is a schematic diagram when performing tool dressing operation on the grinding wheel according to an embodiment of the present utility model. Detailed Implementation Manner

[0046] In order to better understand the purpose, structure and function of the present utility model, the grinding equipment of the present utility model will be further described in detail below with reference to the accompanying drawings.

[0047] The grinding equipment provided by the present utility model is used to perform cutting operations on the edge leather materials, such as Figure 1 shown Figure 1 a is an un-squared silicon rod Figure 1 b is the square rod in the middle and the four edge leathers around obtained after squaring Figure 1 c is the long strip material in the middle obtained by cutting the two end materials and the arc top material from the edge leather Figure 1 d is to perform a truncation cutting operation on the long strip material in the middle Figure 1 e is the finished silicon block obtained after truncation cutting

[0048] The grinding equipment provided by the present utility model is used to perform grinding processing on rectangular silicon blocks to achieve the target dimensions and better surface roughness between the processing surfaces (such as AB and CD, AD and BC shown in the attached Figure 2 drawings). The equipment specifically includes a loading and unloading transmission device, a turret clamping mechanism 4 and a slide table grinding wheel mechanism 6.

[0049] As Figures 3 - 5 shown, multiple sets of clamping components 5 are arranged on the turret clamping mechanism 4. By controlling the rotation of the turret clamping mechanism 4, multiple sets of clamping components 5 can be controlled to switch between multiple different workstations to cooperate to complete the grinding processing and loading and unloading operations of the silicon blocks. The multiple workstations include at least one loading and unloading workstation and at least one grinding workstation; the loading and unloading transmission device is arranged at the loading and unloading workstation to complete the loading and unloading of the silicon blocks at the loading and unloading workstation; the slide table grinding wheel mechanism 6 is arranged at the grinding workstation, and the slide table grinding wheel mechanism 6 reciprocates in the radial direction of the turret clamping mechanism 4 to perform grinding operations on the silicon blocks.

[0050] The grinding equipment provided by the embodiment of the present utility model clamps the silicon block and rotates it through the turret clamping mechanism 4 to complete the conversion of the silicon block between different workstations, which can realize continuous material preparation and continuous processing of the silicon blocks, with high processing efficiency. Moreover, adopting the vertical turret form, it occupies a small area, and the silicon block processing output per unit floor area of the equipment is higher.

[0051] The loading and unloading transmission device, the turret clamping mechanism 4 and the slide table grinding wheel mechanism 6 of the grinding equipment of the present utility model will be introduced separately below. It should be noted that the grinding equipment of the present utility model is not only applicable to the grinding processing of silicon blocks, but also equally applicable to the processing of other materials. Therefore, the silicon block grinding is not used as the basis for limiting the protection scope of the grinding equipment provided by the present utility model.

[0052] Further, since each working station is arranged around the turret clamping mechanism (in the circumferential direction), the present utility model defines a coordinate system for each working station to describe each component. Taking Figure 12 as an example, the present utility model takes the vertical direction of each working station as the third direction of the current working station, that is, the z-axis direction, takes the radial direction of the central turret 41 of the current working station as the second direction of the current working station, that is, the y-axis direction, and takes the tangential direction of the central turret 41 of the current working station as the first direction of the current working station, that is, the x-axis direction.

[0053] 1. Loading and unloading transmission device:

[0054] The loading and unloading transmission device provided by the embodiment of the present utility model includes a transfer connection mechanism 1, a storage device 2, and a transfer and centering mechanism 3.

[0055] As Figures 6 - 8 shown, the transfer connection mechanism 1 provided by the embodiment of the present utility model includes a first transmission component 11 and a second transmission component 12. The first transmission component 11 is rotatably arranged between the first preset working station and the second transmission component 12, and one end of the second transmission component 12 away from the first transmission component 11 is arranged at the second preset working station.

[0056] In a specific embodiment of the present utility model, the first preset working station is the unloading working station of the upstream equipment docked with the grinding equipment, and the second preset working station is the loading working station of the grinding equipment. Since the material transmission directions between the first preset working station and the second preset working station may be different, the present utility model adopts the transfer connection mechanism 1 to be able to transmit materials between two working stations with the same transmission direction and also be able to transmit materials between two working stations with different transmission directions.

[0057] That is, the material transmission direction between the first preset working station and the second preset working station can form an arbitrary angle. By controlling the rotation of the first transmission component 11, the material is transferred between the first preset working station and the second transmission component 12, so that the material is transferred between the first preset working station and the second preset working station through the first transmission component 11 and the second transmission component 12. Furthermore, when the two devices are arranged as a whole, it is not necessary to consider that the transmission directions of the unloading working station of the upstream processing equipment and the loading working station of the downstream processing equipment must be the same, thereby improving the layout flexibility between different devices in the same processing system and improving the utilization rate of the factory building space.

[0058] In the specific embodiment of the present utility model, when the transfer connection mechanism 1 is arranged at the loading end of the grinding equipment, that is, when it is docked with the storage device 2, the first preset station is the unloading end of the upstream side skin cutting equipment, and the second preset station is the storage device 2. The storage device 2 can receive the incoming materials from any direction of the side skin cutting equipment. The side skin cutting equipment and the grinding equipment do not have to be restricted by the transmission direction of loading and unloading, making the layout of different equipment more flexible. Therefore, the transfer connection mechanism 1 in the embodiment of the present utility model can make the installation of the entire side skin material processing system more flexible. As shown in the appended Figure 7 and the appended Figure 8 As shown, the transfer connection mechanism 1 provided in the embodiment of the present utility model can achieve 0° and 90° docking, and can also achieve docking at other angles.

[0059] It can be understood that the transfer connection mechanism 1 provided in the embodiment of the present utility model can also be arranged at the unloading end of the grinding equipment, or between two processing equipments of other large-scale processing systems, to complete the material transfer between processing equipments with different material transmission directions.

[0060] Furthermore, both the first transmission component 11 and the second transmission component 12 are transmission belts, and the delivery of materials is completed by controlling the rotation of the transmission belts along the transmission direction. As shown in Figure 6 the figure, the second transmission component 12 includes a second transmission belt and a second belt driving component, and the second belt driving component drives the second transmission belt to rotate.

[0061] Specifically, the first transmission component 11 in the embodiment of the present utility model includes a rotary drive turntable 111 and a first transmission belt assembly arranged on the rotary drive turntable 111. By controlling the rotation of the rotary drive turntable 111, the whole first transmission belt assembly is driven to rotate. The first transmission belt assembly includes a first transmission belt and a first belt driving component, and the materials placed on the first transmission belt are driven to move by controlling the rotation of the first transmission belt.

[0062] Furthermore, in an embodiment of the present utility model, a preset avoidance distance is maintained between the first transmission component 11 and the second transmission component 12 in the transmission direction of the second transmission component 12 to avoid interference between the first transmission component 11 and the second transmission component 12. Specifically, interference between the first transmission component 11 and the second transmission component 12 during the rotation of the first transmission component 11 can be avoided. Since the first transmission component 11 is rotatable, in order to avoid interference between the first transmission component 11 and the second transmission component 12 during the rotation of the first transmission component 11, a first preset distance can be set between the first transmission component 11 and the second transmission component 12, and this distance should be less than the length of the transmitted material to ensure that the materials can be smoothly transferred between the first transmission component 11 and the second transmission component 12.

[0063] In another embodiment of the present utility model, a first translation driving assembly (not shown in the drawings) is provided below the rotary driving turntable 111. The first translation driving assembly controls the first transmission assembly 11 to reciprocate translationally along the transmission direction of the second transmission assembly 12, so as to avoid interference between the first transmission assembly 11 and the second transmission assembly 12 by controlling the translation of the first translation driving assembly. Specifically, when the first transmission assembly 11 rotates, the first translation driving assembly is controlled to translate in a direction away from the second transmission assembly 12 to avoid interference between the first transmission assembly 11 and the second transmission assembly 12. As an alternative embodiment, when the second transmission assembly 12 needs to rotate, the second transmission assembly 12 as a whole is controlled to move in a direction away from the second transmission assembly 12 to avoid interference with the second transmission assembly 12. After the first transmission assembly 11 finishes rotating, the first transmission assembly 11 can be controlled to move in a direction close to the second transmission assembly 12 to avoid the transported material from falling during the delivery process between the first transmission assembly 11 and the second transmission assembly 12.

[0064] Furthermore, a second translation driving assembly (not shown in the drawings) is provided below the rotary driving turntable 111. The second translation driving assembly controls the first transmission assembly 11 to reciprocate vertically, so as to make the first transmission assembly 11 adapt to materials with different transmission heights and also avoid interference between the first transmission assembly 11 and devices such as the second transmission assembly 12 when the first transmission assembly 11 rotates by raising the first transmission assembly 11.

[0065] Furthermore, a first support 112 is provided below the first transmission assembly 11, and a second support 121 is provided below the second transmission assembly 12. The height of the first support 112 is lower than that of the second support 121, so that the transmission height of the first transmission assembly 11 can be switched between above, flush with, and below the second transmission assembly 12.

[0066] Furthermore, liftable floor devices 13 are also provided below the first support 112 and the second support 121. By controlling the lifting of the floor devices 13, the overall lifting of the transfer connection mechanism 1 is controlled to adapt to different heights of the grinding equipment.

[0067] In a specific embodiment of the present utility model, one end of the second transmission assembly 12 is arranged at the loading station and / or the unloading station of the grinding equipment, and the first transmission assembly 11 is arranged at the unloading end of the upstream processing equipment (edge cutting integrated machine) and / or the loading end of the downstream processing equipment (silicon block pasting equipment) of the grinding equipment. It can be understood that the first transmission assembly 11 can also be arranged at the loading end or the unloading end of the grinding equipment. Since the first transmission assembly 11 can rotate, the grinding equipment can adapt to materials coming in or being unloaded in different directions (as shown in Figure 7 、 Figure 8 ), making the processing system for the whole edge material more adaptable to the space environment.

[0068] The transfer connection mechanism 1 provided by the embodiment of the present utility model is applicable not only to the grinding equipment of the present utility model, but also to various material processing systems. By being arranged between various processing equipment in the system, the layout of each equipment in the processing system is made more flexible, and the processing system has lower requirements for the plant space.

[0069] As Figures 9 - 11 As shown, the storage device 2 provided by the embodiment of the present utility model is arranged at the feeding end of the grinding equipment, and includes a transverse transmission device 22 and a storage bin 21. One end of the transverse transmission device 22 is docked with the transfer connection mechanism 1 to receive the silicon blocks transmitted by the transfer connection mechanism 1, and the other end extends into the grinding equipment and cooperates with the transfer and centering mechanism 3 to complete the feeding and centering of the silicon blocks. The transverse transmission device 22 passes through the inside of the storage bin 21, and a plurality of liftable storage positions 211 are arranged on the storage bin 21. By controlling the lifting of the storage positions 211, the storage and discharging of materials in the storage bin 21 are realized.

[0070] Further, the transverse transmission device 22 transports materials in the first direction to the storage bin 21. A plurality of storage positions 211 are arranged on the storage bin 21, and the plurality of storage positions 211 reciprocate in the third direction to transfer the materials on the transverse transmission device 22 to the storage positions 211 or transfer the materials in the storage positions 211 to the transverse transmission device 22;

[0071] Further, the transverse transmission device 22 includes a transmission belt and a driving component for controlling the rotation of the transmission belt. After receiving the silicon blocks, the transverse transmission device 22 drives the silicon blocks to be transported to the storage bin 21 by controlling the rotation of the transmission belt.

[0072] Further, the storage bin 21 includes a plurality of groups of oppositely arranged storage racks 213. Two opposite storage racks 213 are respectively arranged on both sides of the transverse transmission device 22 to form a storage position 211. As shown in the attached drawings, the transverse width of the materials placed on the transverse transmission device 22 is greater than the width of the transverse transmission device 22 (the width of the transmission belt), so that both ends of the materials protrude from the transverse transmission device 22 and are located above the storage racks 213. When storage is required, control the two side storage racks 213 to rise simultaneously, and the storage racks 213 drive the materials to leave the transverse transmission device 22 to complete the storage of the materials; when discharging is required, control the two side storage racks 213 to descend simultaneously, so that the materials are re-placed on the transverse transmission device 22. At this time, control the transverse transmission device 22 to drive the materials to move horizontally to the feeding station to complete the feeding of the materials.

[0073] The storage device 2 provided by the embodiment of the present utility model can be used as a buffer area for incoming materials in the entire automated production line to store silicon blocks from the upstream production line, making the automation level of the entire system higher. In addition, since the storage bin 21 is arranged perpendicular to the transverse transmission device 22, it does not occupy the space of the transverse transmission device during storage. While realizing the storage of silicon blocks, the floor area of the entire storage device 2 is small, making the equipment structure more compact.

[0074] Furthermore, the storage bin 21 provided by the embodiment of the present utility model further includes lifting components 212 arranged on both sides of the transverse transmission device 22. Storage racks 213 are evenly arranged on the lifting components 212. By controlling the synchronous reciprocating movement of two opposite lifting components 212 along the third direction, the oppositely arranged storage racks 213 are driven to move synchronously along the third direction. The lifting component 212 can specifically be a lifting chain component. The storage rack 213 is fixedly arranged on the lifting component 212. In order to maintain stability, two or more lifting components 212 are arranged on one side of the transverse transmission device 22, and the storage racks 213 are evenly fixed on the lifting components 212 so that the storage racks 213 can maintain stability during lifting movement.

[0075] Furthermore, the storage bin 21 provided by the embodiment of the present utility model further includes a lifting drive component 214, and the lifting drive component 214 is used to drive the lifting or lowering movement of the lifting component 212. Specifically, the lifting drive component 214 includes a first driven gear and a second driven gear that mesh with each other. Chain transmission components are respectively sleeved on the first driven gear and the second driven gear. The other ends of the chain transmission components are respectively connected to the lifting components 212 on both sides of the transverse transmission device 22, so as to drive the lifting components 212 on both sides to achieve lifting movement simultaneously through a set of motors, ensuring the synchronous lifting of the storage racks 213 and preventing the materials from tipping over due to the asynchronous movement of the storage racks 213 on both sides during the rising or falling process.

[0076] The storage device provided by the embodiment of the present utility model is not only applicable to the grinding equipment of the present utility model, but also can be used as a buffer device for incoming materials of other processing equipment. For the processing system of edge waste materials, since multiple silicon blocks are generated at one time after the edge waste materials are cut in the previous process, the grinding equipment cannot process multiple silicon blocks generated at one time simultaneously during grinding. Therefore, through the storage device 2, the grinding equipment can be more adapted to the upstream processing equipment, and there is no need for manual participation in material preparation, making the automation level of the entire system higher.

[0077] As Figures 12 - 15As shown in the figure, the transfer and centering mechanism 3 provided by the embodiment of the present utility model is arranged at the loading and unloading station, and includes a transfer component and a centering component. The transfer component includes a space transfer device and a grasping execution device at the end of the space transfer device, so as to drive the grasping execution device to transfer materials at the loading station through the space transfer device. The centering component includes oppositely arranged jaw components, and the jaw components move synchronously in the first direction to perform a centering operation on the materials. Specifically, the jaw components perform a centering operation on the silicon block placed on the clamping component 5 at the loading station.

[0078] In a specific embodiment of the present utility model, the loading and unloading of the grinding equipment are located at the same station. Therefore, the transfer component can complete the loading and unloading of the silicon block at the same time. After the transfer component places the silicon block on the second chuck of the clamping component 5 of the turret clamping mechanism 4, the centering component performs a centering clamping operation on the silicon block, so that the center of the silicon block coincides with the center of the clamping component 5, that is, the material center coincides with the material clamping center at the loading station, facilitating subsequent grinding operations.

[0079] Further, the transfer and centering mechanism 3 further includes a support component 31. One end of the support component 31 is fixed at the loading station, and the other end is connected to the space transfer device of the transfer component. A centering component sliding guide rail 36 extending in the third direction is further provided on the support component 31. The jaw component further includes a centering jaw bottom plate 310. One side of the centering jaw bottom plate 310 is slidably connected to the centering component sliding guide rail 36, and the other side of the centering jaw bottom plate 310 is connected to the jaw component.

[0080] Specifically, a centering lead screw extending in the third direction is provided on the support component 31, and a centering bolt is provided on the centering jaw bottom plate 310. The centering bolt is connected to the centering lead screw to control the overall reciprocating movement of the jaw component in the third direction by controlling the rotation of the centering component lead screw.

[0081] In the embodiment of the present utility model, the space transfer device and the centering component are coaxially designed to cooperatively perform clamping transfer and centering operations on the materials at the loading station, saving the space at the loading station and making the equipment structure compact. The centering component as a whole can reciprocate in the third direction, facilitating the centering clamping operation on materials with different thicknesses and different heights.

[0082] In a specific embodiment of the present utility model, the support assembly 31 is a support frame extending along the third direction, one end of which is fixed to the base 7 of the grinding equipment, and the other end is connected to the first-direction cross beam 32 of the space transfer device. The space transfer device provided by the embodiment of the present utility model includes a first-direction cross beam 32 and a first-direction driving assembly. A third-direction vertical beam 33 is slidably connected to the first-direction cross beam 32, and a third-direction driving assembly is arranged on the third-direction vertical beam 33. The first-direction driving assembly drives the third-direction vertical beam 33 to reciprocate on the first-direction cross beam 32. The end of the third-direction vertical beam 33 is connected to a suction cup assembly, and the third-direction driving assembly drives the suction cup assembly to reciprocate on the third-direction vertical beam 33. The suction cup assembly serves as the grasping execution device of the transfer assembly to suck materials.

[0083] Specifically, a first-direction lead screw and a lead screw driving motor for driving the rotation of the first-direction lead screw are arranged on the first-direction cross beam 32. The third-direction vertical beam 33 is connected to the first-direction lead screw through bolts, and then the rotation direction of the first-direction lead screw is controlled by the lead screw driving motor, thereby realizing the reciprocating movement of the third-direction vertical beam 33 in the first direction.

[0084] Further, a vertical beam cylinder is arranged on the third-direction vertical beam 33, and the suction cup assembly is arranged at the end of the vertical beam cylinder. By controlling the telescopic movement of the vertical beam cylinder, the reciprocating movement of the suction cup assembly in the third direction is realized.

[0085] Due to the simple structure of the space movement control of the space transfer device provided by the embodiment of the present utility model, it can clamp the silicon block and quickly transfer it between the storage device 2 and the feeding station, improving the overall operation efficiency of the equipment.

[0086] In a specific embodiment of the present utility model, since the suction cup assembly needs to place the silicon block on the chuck of the clamping assembly 5 of the turret clamping mechanism 4, in order to avoid interference with the clamping assembly 5 of the turret clamping mechanism 4, the suction cup assembly provided by the embodiment of the present utility model includes a second-direction extension plate 34. One end of the second-direction extension plate 34 is connected to the end of the third-direction vertical beam 33, and the other end is connected to at least one suction cup 35. The second-direction extension plate 34 keeps a preset extension distance between the suction cup 35 and the end of the third-direction vertical beam 33, so as to avoid interference between the transfer assembly and the clamping assembly 5 on the turret clamping mechanism 4.

[0087] Further, the jaw assembly provided by the embodiment of the present utility model includes centering jaws 37 arranged oppositely along the first direction and a synchronous driving assembly. The synchronous driving assembly can drive the two centering jaws 37 to move synchronously and relatively along the first direction, thereby realizing the centering operation of the silicon block at the feeding station, so that the center of the silicon block coincides with the clamping center of the feeding station.

[0088] Specifically, the synchronous drive assembly in the embodiments of the present utility model can be a gear-rack structure, a ball screw structure, or other devices that can achieve the synchronous reverse movement of the two centering jaws 37. In a specific embodiment of the present utility model, the synchronous drive assembly includes a centering drive motor, a bidirectional lead screw, and a centering guide rail. The bidirectional lead screw and the centering guide rail are arranged in parallel along the first direction. The two centering jaws 37 are respectively installed on the positive thread section and the reverse thread section of the bidirectional lead screw, and are respectively slidably arranged on the centering guide rail. The centering drive motor is in transmission connection with the bidirectional lead screw. By driving the bidirectional lead screw to rotate through the centering drive motor, the relatively arranged centering jaws 37 are driven to move synchronously and in opposite directions. The synchronous reverse movement of the centering jaws 37 in the present utility model makes the stroke of each movement of the relatively arranged centering jaws 37 the same, thereby ensuring the accuracy of the centering operation.

[0089] Further, a centering probe assembly 38 is also provided on the jaw assembly. As shown in the attached Figure 15 figure, the centering probe assembly 38 is arranged on the front side of the centering jaw 37 and is used synchronously with the centering jaw 37. During the process of the centering jaw 37 approaching the material, the position of the side of the material is first detected by the centering probe assembly 38, so that the centering jaw 37 can control the movement speed according to the distance from the material. It is provided that when the centering probe assembly 38 does not contact the material, the centering jaw 37 is controlled to move quickly. When the centering probe assembly 38 contacts the material, the centering probe is controlled to retract and the centering jaw 37 is controlled to slowly perform the centering operation, improving the centering clamping efficiency while avoiding the centering jaw 37 moving too fast and causing bumps to the material. In addition, by simultaneously detecting the position of the material by the centering probe assemblies 38 on both sides, the distance between the opposite sides of the material can also be obtained, thereby determining the grinding allowance of the material.

[0090] Further, the centering probe assembly 38 includes a centering probe and a probe drive assembly. The probe drive assembly drives the centering probe to reciprocate along the first direction to control the centering probe to protrude or retract from the clamping surface of the centering jaw 37. So as to perform position detection and measurement on the material when the centering probe protrudes from the clamping surface of the centering jaw 37, and control the centering jaw 37 to act to complete the centering clamping operation of the silicon block when the probe retracts into the clamping surface, avoiding the probe affecting the centering clamping operation of the centering jaw 37.

[0091] It can be understood that in addition to driving the centering probe to protrude or retract from the clamping surface of the centering jaw 37 through the probe drive assembly, the centering probe can also be connected to the centering jaw 37 through an elastic member. When the centering jaw 37 performs the centering clamping operation, the centering probe retracts under the action of the material pressure. When the centering jaw 37 releases the material, the centering probe extends from the clamping surface of the centering jaw 37 under the action of the elastic force, so as to facilitate the measurement and detection of the material.

[0092] Further, the centering jaw 37 provided in the embodiment of the present utility model includes clamping blocks disposed on the opposite sides of the centering jaw 37, and the clamping surfaces of the clamping blocks are maintained with a preset length and width to adapt to clamping materials of different sizes.

[0093] Further, the centering assembly provided in the embodiment of the present utility model further includes a second-direction driving assembly 39. The centering jaw bottom plate 310 is connected to the second-direction driving assembly 39, and the second-direction driving assembly 39 controls the centering jaw bottom plate 310 to drive the entire jaw assembly to reciprocate along the second direction. By controlling the centering assembly to reciprocate along the second direction, the entire centering jaw 37 is driven to move in the direction close to the material.

[0094] Specifically, the second-direction driving assembly 39 is a rack extending along the second direction provided on the jaw assembly, and a rack driving assembly fixed on the base. The gear at the driving end of the rack driving assembly meshes with the rack on the jaw assembly, and the rotation of the driving gear drives the rack to reciprocate along the second direction.

[0095] Further, the centering assembly further includes a centering and calibration device. The positional relationship between the centering and calibration device and the loading station is relatively fixed, and the centering probe assembly 38 determines the material clamping center of the loading station by detecting the centering and calibration device.

[0096] The control process of the loading and unloading transfer device in the embodiment of the present utility model is briefly introduced below:

[0097] S1. The transfer and connection mechanism 1 transfers the material to the storage device 2;

[0098] S2. The storage bin 21 of the storage device 2 stores the material in the storage position 211;

[0099] S3. When the grinding equipment needs to be loaded, the storage bin 21 transfers the material to the transverse transfer device 22 of the storage device 2, and the transverse transfer device 22 transfers the material to the material grabbing position of the transfer assembly;

[0100] S4. After the grabbing execution device of the transfer assembly grabs the material, the space transfer device transfers the material to the loading and unloading station;

[0101] S5. The centering assembly performs position and size detection on the material at the loading and unloading station, and completes the centering displacement operation of the material;

[0102] S6. When the grinding equipment needs to unload, the grabbing execution device of the transfer assembly grabs the material at the loading and unloading station, and then the space transfer device transfers the material to the unloading end.

[0103] The above steps are the complete operation process of the loading and unloading transfer device. For the centering operation of the material completed by the centering assembly in step S5, it specifically further includes:

[0104] S51. The turret clamping mechanism 4 drives the first clamping assembly to rotate to the loading and unloading station, and the transfer assembly clamps the material and places it on the second chuck of the first clamping assembly.

[0105] S52. The centering assembly performs a centering operation on the first processing side of the material, and detects the first processing side through the centering detection probe to determine the machining allowance of the first processing side.

[0106] S53. The second chuck drives the whole material to rotate so that the second processing side is oppositely arranged to the centering assembly. The centering assembly performs a centering operation on the second processing side of the material, and detects the second processing side through the centering detection probe to determine the machining allowance of the second processing side.

[0107] The loading and unloading transmission device provided by the embodiment of the present invention can not only receive materials from different transmission directions, but also store the materials through the storage device 2, and at the same time complete the loading and unloading transmission of the materials, the centering operation of the materials and the dimensional detection. The structure of the whole system is compact, and the degree of automation is higher, which simplifies the working process for subsequent processing operations and simplifies the structural complexity of the equipment at the same time.

[0108] 2. Turret clamping mechanism 4:

[0109] The turret clamping mechanism 4 provided by the embodiment of the present invention is rotatably arranged on the base 7, and includes a central turret 41 and a plurality of clamping assemblies 5 arranged along the circumferential direction of the central turret 41. The central turret 41 can rotate along its central axis. In a specific embodiment of the present invention, the central axis of the central turret 41 is a shaft perpendicular to the base 7. The central turret 41 rotates along the central axis to drive each clamping assembly 5 to rotate between different stations. Correspondingly, the base 7 is provided with stations corresponding to the clamping assemblies 5 on the turret clamping mechanism. Therefore, after the silicon block is clamped and centered once, rough grinding, fine grinding and other grinding operations of the silicon block can be carried out simultaneously at multiple processing stations, so as to achieve the purpose of processing multiple silicon blocks in one processing cycle and improve the grinding processing efficiency of the silicon block.

[0110] As Figures 16 - 19 shown, in a specific embodiment of the present invention, the turret clamping mechanism 4 includes a central turret 41 and three clamping assemblies 5 evenly arranged along the circumferential direction of the central turret 41, that is, the included angle between two adjacent clamping assemblies 5 is 120°. Correspondingly, on the base 7 of the grinding equipment, there are a loading and unloading station, a rough grinding station and a fine grinding station, and the included angle between each station is also 120°. Therefore, after the silicon block completes the centering and clamping operation at the loading and unloading station, the rough grinding and fine grinding can be successively completed by controlling the rotation of the turret clamping mechanism 4, and finally it rotates to the loading and unloading station and the silicon block is unloaded by the transfer and centering mechanism 3.

[0111] Furthermore, a rotary drive assembly 42 is provided on the base 7, and the rotary drive assembly 42 drives the overall rotation of the central turret 41. A rotary gear is provided at one axial end of the central turret 41, and the turret clamping mechanism 4 further includes a gear drive assembly meshing with the rotary gear. The gear drive assembly drives the rotary gear to rotate, so as to drive the overall rotation of the central turret 41. In a specific embodiment of the present utility model, the rotary gear is provided at the bottom end of the central turret 41, and the gear drive assembly includes a driving gear provided on the base 7 and meshing with the rotary gear and a gear drive motor located in the base for driving the driving gear to rotate. The present utility model controls the rotation angle of the central turret 41 by means of gear drive, which can ensure the rotation accuracy of the central turret 41, and further ensure the processing accuracy of silicon block grinding.

[0112] Furthermore, a slip ring bracket 43 and a slip ring assembly are provided at one axial end of the central turret 41. The slip ring bracket 43 fixes the slip ring assembly at a preset position of the central turret 41. The fixed end of the slip ring assembly is connected to a preset external power source. The external power source is communicated to the rotating end of the slip ring assembly through the inside of the slip ring assembly, and the rotating end of the slip ring assembly is connected to the power equipment inside the turret clamping mechanism 4, so as to transmit the external power source to the power equipment inside the turret clamping mechanism 4. The external power source can be a power source, a gas source and / or an oil source, and the power equipment can be not only a rotational power equipment, but also other equipment suitable for gas or oil.

[0113] In a specific embodiment of the present utility model, the turret clamping mechanism 4 includes a slip ring bracket 43 and a slip ring assembly at the top end. The slip ring assembly is fixed above the central turret 41 of the turret clamping mechanism 4 through the slip ring bracket 43, and the slip ring assembly conveys electricity, gas and lubricating oil into the central turret 41. The present utility model uses a kind of slip ring device to provide energy power for the electric, gas and lubricating equipment of the central turret 41, and can also avoid the problem of wire winding caused by continuously providing energy power for the electrical equipment of the rotating loading unit.

[0114] The turret clamping mechanism 4 of the embodiment of the present utility model drives each clamping assembly 5 to rotate between different stations by rotating the central turret 41 along the central axis, so as to realize the simultaneous processing of multiple materials within one working cycle, and improve the processing efficiency of the equipment.

[0115] As Figures 19 - 22 shown, the clamping assembly 5 on the turret clamping mechanism 4 includes a first chuck assembly 51 and a second chuck assembly 52 oppositely arranged along the axial direction of the central turret 41. The first chuck assembly 51 and the second chuck assembly 52 reciprocate along the axial direction of the central turret 41 to clamp or release the material.

[0116] It should be noted that the clamping assembly 5 provided in the embodiments of the present utility model can be applied not only to the turret clamping mechanism 4 of the grinding equipment, but also to other rotating frames or moving frames.

[0117] Furthermore, the first chuck assembly 51 includes a clamping chamber and a first chuck 511. A clamping drive assembly 513 is arranged inside the clamping chamber. The clamping chamber forms an internally sealed space, so the clamping chamber isolates the clamping drive assembly 513 from the external environment, preventing dust and water mist generated during the equipment processing from entering the inside of the clamping drive assembly 513.

[0118] Furthermore, the clamping chamber includes a cover body 541 and the clamping drive assembly 513 inside the cover body 541. The cover body 541 is connected to the side wall of the central turret 41. The first chuck 511 extends through the first opening on the cover body 541 to the outside of the cover body 541. The clamping drive assembly 513 drives the first chuck 511 to reciprocate along the axial direction of the central turret 41. In the present utility model, the clamping drive assembly 513 is protected inside the cover body 541 by the clamping chamber, avoiding the influence of silicon powder and water mist during the processing on the clamping drive assembly 513 and ensuring the operation stability of the equipment.

[0119] Furthermore, the first chuck assembly 51 further includes a first chuck bracket 512 and a first chuck 511. A clamping slide rail is arranged inside the cover body 541 of the clamping chamber. Specifically, the clamping slide rail is arranged on the side wall of the central turret 41. One end of the first chuck bracket 512 is slidably connected to the clamping slide rail, and the other end extends radially away from the central turret 41 and is connected to the first chuck 511. The clamping drive assembly 513 drives the first chuck bracket 512 to reciprocate on the clamping slide rail to drive the first chuck 511 at the end of the first chuck bracket 512 to reciprocate along the clamping direction.

[0120] Furthermore, the clamping drive assembly 513 further includes a clamping lead screw and a clamping lead screw drive motor. The first chuck bracket 512 is connected to the clamping lead screw. By driving the clamping lead screw to rotate through the clamping lead screw drive motor, the first chuck bracket 512 is driven to reciprocate along the axial direction of the clamping lead screw.

[0121] In a specific embodiment of the present utility model, the first chuck 511 is arranged at the upper end of the central turret 41, and the second chuck 521 is arranged at the lower end of the central turret 41. The silicon block is placed on the second chuck 521. By controlling the reciprocating movement of the first chuck 511 up and down, the clamping and loosening of the silicon block are realized. This ensures the stable placement of the silicon block on the second chuck 521 and avoids the influence of the movement of the second chuck 521 on the position of the silicon block on the second chuck 521 during the clamping process, improving the stability during the clamping operation.

[0122] Further, since the first chuck 511 needs to reciprocate at the first opening of the clamping chamber, in order to prevent silicon powder and water mist from entering the cover body 541 through the first opening, the clamping chamber provided by the embodiment of the present invention further includes a chuck bellows cover 542. The chuck bellows cover 542 is a closed annular cover body. One axial end of the closed annular cover body is connected to the first chuck bracket 512, and the other end is connected to the first opening. The chuck bellows cover 542 ensures the reciprocating movement of the first chuck 511 while preventing dust and water mist from entering the cover body 541 through the first opening, further improving the protection level of the clamping chamber.

[0123] Further, a second opening 543 is provided on the cover body 541. An external air source is connected to the second opening 543 to blow air into the clamping chamber, so that the inner cavity of the clamping chamber is in a slightly positive pressure state. The slightly positive pressure state increases the resistance of external dust and water mist from entering the clamping chamber, further improving the protection level of the clamping chamber.

[0124] Further, the second chuck 521 includes a second chuck bracket 522 and a second chuck 521. One end of the second chuck bracket 522 is connected to the side wall of the rotating frame, and the other end extends radially away from the rotating frame along the rotating frame, and the second chuck 521 is connected to the end of the second chuck bracket 522.

[0125] Further, the second chuck 521 of the embodiment of the present invention can rotate around the central axis of the second chuck 521 to drive the overall rotation of the material placed on the second chuck 521, facilitating driving the material to rotate through the second chuck 521 to cooperate with the processing device to perform processing operations on different sides of the material.

[0126] Specifically, the second chuck assembly 52 further includes a chuck rotation driving assembly. The chuck rotation driving assembly includes a chuck rotation motor 524 and a chuck bearing 523. The second chuck 521 is connected to the rotating shaft of the chuck rotation motor 524 through the chuck bearing 523, and the second chuck 521 is driven to rotate by the chuck rotation motor 524 to drive the rotation of the material on the second chuck 521.

[0127] Further, the first chuck assembly 51 further includes a driven bearing 515 and a floating chuck 514. The floating chuck 514 is connected to the first chuck 511 through the driven bearing 515, so that the floating chuck 514 rotates with the second chuck 521. By providing the floating chuck 514 on the first chuck 511 in the present invention, the clamping assembly 5 can clamp the material and drive the overall rotation of the material along the central axis of the clamping assembly 5 while avoiding the offset of the material on the clamping assembly during the rotation process, so that the center of the material remains coincident with the center of the clamping assembly 5.

[0128] When grinding silicon blocks, it is necessary to grind the silicon blocks in the 0° and 90° directions. In order to ensure that the silicon block can be rotated while being clamped, the present utility model adopts a method in which the second chuck 521 rotates actively and the first chuck 511 rotates passively. When rotating the silicon block, the position of the silicon block will not be offset, thereby ensuring that the clamping center always coincides with the center of the silicon block and ensuring the grinding accuracy.

[0129] As Figure 22 shown, when performing the grinding operation, the grinding wheel 624 rotates at high speed between the first chuck 511 and the second chuck 521. Therefore, the clamping assembly 5 needs to provide a grinding avoidance space for the grinding wheel 624. Specifically, the present utility model connects the central turret 41 through the first chuck bracket 512 and the second chuck bracket 522, so that there is a certain distance between the clamping centers of the first chuck 511 and the second chuck 521 and the side wall of the central turret 41, providing a machining avoidance space for the grinding wheel to perform the grinding operation.

[0130] Furthermore, the axial direction of the first chuck 511 has a preset first axial length, and the axial direction of the second chuck 521 has a second axial length, so as to provide a machining avoidance space when the clamping assembly 5 clamps the material.

[0131] In a specific embodiment of the present utility model, since the size of the silicon block is small and the size of the grinding wheel for grinding the silicon block is larger than the size of the silicon block, the present utility model extends the axial lengths of the first chuck 511 and the second chuck 521 to provide an avoidance space for the grinding wheel during the grinding operation.

[0132] The turret clamping mechanism 4 provided by the embodiment of the present utility model is applicable not only to the grinding equipment of the present utility model, but also to other processing equipment. The turret clamping mechanism 4 can cooperate to complete the simultaneous processing operations of different workstations, making the whole equipment structure compact, improving the processing efficiency and ensuring the stable operation of the equipment.

[0133] 3. Slide table grinding wheel mechanism 6

[0134] In the embodiment of the present utility model, slide table grinding wheel mechanisms 6 are provided at both the rough grinding station and the fine grinding station of the grinding equipment. By controlling the grinding wheel assembly 62 of the slide table grinding wheel mechanism 6 to reciprocate in the radial direction of the central turret 41, the grinding operation of the silicon block is realized.

[0135] As Figures 23 - 27 shown, the slide table grinding wheel mechanism 6 provided by the embodiment of the present utility model includes a slide table feed guide rail 63 arranged along the second direction of the grinding station, a grinding wheel slide table 61 slidably connected to the slide table feed guide rail 63, and a slide table feed drive assembly. Two grinding wheel assemblies 62 are oppositely arranged on the grinding wheel slide table 61, and the slide table feed drive assembly drives the grinding wheel slide table 61 to reciprocate in the second direction to approach or move away from the clamping assembly 5.

[0136] Further, a grinding wheel feed guide rail and a grinding wheel feed driving assembly are oppositely arranged on the grinding wheel slide table 61 along the first direction of the grinding station. The grinding wheel assemblies 62 are respectively slidably arranged on the grinding wheel feed guide rail, and the grinding wheel feed driving assembly drives the grinding wheel assemblies 62 to reciprocate along the first direction, so that the two opposite grinding wheel assemblies 62 approach or move away from each other.

[0137] The slide table grinding wheel mechanism 6 provided by the embodiment of the present utility model controls the overall approach of the grinding wheel assemblies 62 to the clamping assembly 5 through the grinding wheel slide table 61, ensuring synchronous feeding during the high-speed grinding of the left and right grinding wheels, and making the grinding process more stable.

[0138] Further, when the grinding wheel assembly 62 performs a grinding operation, the grinding wheel 624 rotates at a high speed and feeds along the grinding direction. At this time, the grinding wheel will generate an overheating phenomenon. If the grinding wheel 624 is in this working condition for a long time, defects will appear on the surface, ultimately affecting the quality of the ground silicon block surface. Therefore, in the embodiment of the present utility model, a corresponding cooling system is designed for the grinding wheel.

[0139] Specifically, the grinding wheel assembly 62 includes a grinding wheel driving assembly 623, a grinding wheel 624, and a spindle unit. The spindle unit includes a rotating spindle (not shown in the drawings) and a spindle housing 621 coaxially arranged with the rotating spindle. The rotating spindle is wrapped inside the spindle housing 621 by the spindle housing 621, and the rotating spindle and the spindle housing 621 are relatively independent. While the rotating spindle maintains high-speed rotation, the spindle housing remains relatively stationary. Thus, the grinding wheel driving assembly 623 drives the rotating spindle to rotate to drive the grinding wheel 624 connected to the end of the rotating spindle to rotate. One end of the spindle housing 621 is provided with a grinding wheel cooling assembly 625, and the grinding wheel cooling assembly 625 cools the grinding wheel.

[0140] Further, the grinding wheel cooling assembly 625 includes a liquid inlet and a spray head extending to the side of the grinding wheel 624. The liquid inlet is connected to an external coolant, and the coolant is sprayed onto the grinding wheel 624 through the spray head. The grinding wheel cooling assembly 625 provided by the embodiment of the present utility model can effectively reduce the temperature of the grinding wheel 624 by separately spraying the coolant on the grinding wheel, improving the grinding efficiency and grinding quality.

[0141] Further, since silicon powder and water mist are generated during the grinding process, the slide table grinding wheel mechanism 6 of the embodiment of the present utility model further includes a grinding wheel driving chamber. The grinding wheel driving assembly 623 is arranged inside the grinding wheel driving chamber. One end of the spindle unit extends into the grinding wheel driving chamber to connect the rotating spindle with the grinding wheel driving assembly 623, and the other end extends outside the grinding wheel driving chamber and is connected to the grinding wheel at the end. Among them, the grinding wheel driving chamber includes a grinding wheel cover body 641, and the grinding wheel cover body 641 protects each driving assembly in an internal enclosed space, preventing water mist and silicon powder from affecting the driving assembly.

[0142] Further, a bellows protective cover 642 is provided on the main shaft unit outside the grinding wheel drive chamber. One end of the bellows protective cover 642 is fixedly connected to the grinding wheel drive chamber, and the other end is connected to the end of the main shaft housing 621. The bellows protective cover 642 prevents water mist and silicon powder from entering the inside of the grinding wheel drive chamber through the gap of the main shaft unit, further ensuring the stable operation of the equipment.

[0143] Further, the grinding wheel drive chamber is provided with an air inlet hole 643 for blowing air into the grinding wheel drive chamber through the air inlet hole 643. The air inlet hole 643 is connected to an external air source, so that the inside of the grinding wheel drive chamber presents a slightly positive pressure state, providing resistance to the entry of external dust and water mist, and playing a secondary auxiliary sealing role.

[0144] Further, the grinding wheel drive assembly 623 includes a grinding wheel rotation drive motor and a tension belt. The rotating shaft of the grinding wheel rotation drive motor is connected to the rotating main shaft through the tension belt, and the grinding wheel rotation drive motor drives the tension belt to rotate to drive the rotating main shaft to rotate.

[0145] Further, the grinding wheel drive assembly 623 further includes a belt adjusting device. The belt adjusting device includes a belt rotating shaft mounting plate and a plurality of oblong holes on the belt rotating shaft mounting plate. The rotating shaft at one end of the tension belt is installed in the oblong holes through a bolt assembly, and the other end of the tension belt is connected to the rotating main shaft. The tension amount of the tension belt is adjusted by adjusting the position of the bolt assembly in the oblong holes.

[0146] In the present utility model, the motor drives the synchronous belt, the synchronous belt drives the main shaft unit, and the main shaft unit drives the grinding wheel 624, finally realizing the high-speed rotational movement of the grinding wheel 624. In this device, a belt tensioning device is designed to adjust the tension amount of the belt, achieving the purpose of stable operation. The overall structure is designed compactly, with high space utilization rate.

[0147] In addition, the grinding wheel drive assembly of the embodiment of the present utility model further includes a calibration probe assembly 65 for detecting the position of the material to be ground. The calibration probe assembly 65 includes a calibration probe and a calibration probe drive assembly. The calibration probe drive assembly drives the calibration probe to reciprocate in the first direction to protrude or retract from the grinding surface of the grinding wheel 624. The calibration probe assembly 65 and the turret clamping mechanism 4 etc. constitute the machining position correction system of the machining equipment provided by the embodiment of the present utility model. The machining position correction system will be further introduced below.

[0148] 4. Machining position correction system

[0149] Such as Figure 26As shown in the figure, in the embodiment of the present utility model, a calibration device 54 is further provided on the clamping assembly 5. In order to avoid the influence of the rotation error of the central turret 41 during rotation on the grinding accuracy of the silicon block, a calibration probe is introduced on the grinding wheel assembly 62 in the embodiment of the present utility model, and a position calibration assembly is introduced on the clamping assembly 5, so as to calibrate the rotation angle of the central turret 41 and further improve the grinding accuracy of the silicon block.

[0150] The present utility model is composed of a turret clamping mechanism 4, a clamping assembly 5 and a calibration device 54 on the turret clamping mechanism 4, a calibration probe assembly 65 on the sliding table grinding wheel mechanism 6, and a positioning device 71 at the grinding station, which together constitute the processing position correction system provided by the embodiment of the present utility model.

[0151] It should be noted that this position correction system can not only be applied to the grinding equipment of the embodiment of the present utility model, but also be applicable to other processing equipment with a similar structure to the present utility model. For example, a sliding table mechanism similar to the sliding table grinding wheel mechanism 6, and a corresponding processing component is provided on the sliding table mechanism. By providing a corresponding calibration probe assembly 65 on the processing component, the correction of the processing position in the above embodiment can be achieved.

[0152] Specifically, the system includes a base 7, a turret clamping mechanism 4 and a sliding table mechanism (corresponding to the sliding table grinding wheel mechanism of the grinding equipment). At least one processing station is provided on the base 7. A positioning device 71 and a sliding table mechanism are provided at the processing station. The sliding table mechanism includes a processing component and a calibration probe assembly 65. The sliding table mechanism reciprocates along the second direction of the processing station to enable the processing component to perform processing operations on the material at the processing station. A clamping assembly 5 is provided on the turret clamping mechanism 4, and a calibration device 54 is provided on the clamping assembly 5. The turret clamping mechanism 4 drives the clamping assembly 5 to rotate to the processing station, and the calibration probe assembly 65 respectively detects the positioning device 71 and the calibration device 54 to determine the position offset of the clamping assembly 5 relative to the processing station.

[0153] Further, the calibration device 54 is a position calibration reference plate, and the positioning device 71 is a position positioning reference plate. The calibration probe assembly 65 respectively detects the positions of the position positioning reference plate and the position calibration reference plate in the first direction of the processing station to determine the displacement difference between the position positioning reference plate and the position calibration reference plate in the first direction of the processing station, so as to determine the position difference between the clamping assembly 5 on the turret clamping mechanism 4 and the processing station.

[0154] Further, the processing position correction system provided by the embodiment of the present utility model further includes a transfer centering mechanism 3 provided at the loading and unloading station in the foregoing embodiment, so as to complete the centering of the material center and the clamping center of the clamping assembly 5 during loading through the transfer centering mechanism 3, as the basis for subsequent processing correction. Since it has been described in detail in the foregoing embodiment, it will not be elaborated here.

[0155] The correction method of the processing position correction system of the processing equipment in the above embodiments will be introduced in detail below. This method includes:

[0156] S1. The turret clamping mechanism 4 drives the clamping assembly 5 to rotate to the processing station corresponding to the clamping assembly 5;

[0157] S2. The slide mechanism at the processing station moves along the radial direction of the turret clamping mechanism 4 towards the clamping assembly 5, so as to respectively detect the positioning device 71 and the calibration device 54 through the calibration probe assembly 65, and determine the position offset of the clamping assembly 5 relative to the current processing station;

[0158] S3. Control the processing assembly of the slide mechanism to move in the first direction to compensate for the position offset of the clamping assembly at the current processing station.

[0159] Among them, controlling the processing assembly of the slide mechanism to move in the first direction to compensate for the position offset of the clamping assembly at the current processing station specifically means that the overall processing assembly of the slide mechanism moves in the opposite direction of the position offset by the corresponding position offset along the first direction at the current processing station. At this time, the distance between the two processing assemblies on the slide mechanism remains fixed, and the distance between the two processing assemblies is the target processing distance of the material to be processed relative to the processing side. In addition, the centering operation at the loading and unloading station included in this method has been described in the foregoing embodiments, and it may specifically further include:

[0160] S01. The turret clamping mechanism 4 drives the first clamping assembly to rotate to the loading and unloading station, and the transfer assembly transfers the material to the first clamping assembly;

[0161] S02. The centering assembly at the loading and unloading station moves along the radial direction of the turret clamping mechanism towards the first clamping assembly, and detects the position of the material through the centering probe assembly 38;

[0162] S03. The centering assembly moves synchronously in the first direction of the loading and unloading station to perform a centering operation on the material;

[0163] S04. The centering probe assembly 38 of the centering assembly extends to detect the relative distance between the two processing sides of the material.

[0164] In the processing position correction system provided by the embodiment of the present invention, after the turret clamping mechanism drives the clamping assembly 5 to rotate to the processing station, the calibration probe assembly 65 on the slide mechanism respectively detects the positioning device 71 at the processing station and the calibration device 54 on the clamping assembly 5 to determine the position offset of the clamping assembly 5 at the current processing station, so as to facilitate subsequent compensation for the position offset of the clamping assembly 5 by controlling the overall movement of the processing assembly in the first direction, compensating for the control accuracy of the rotation angle of the turret clamping mechanism 4, and further improving the processing accuracy of the processing equipment.

[0165] 6. Tool dressing system

[0166] Furthermore, in the embodiment of the present utility model, a tool dressing device 53 is also provided laterally on the clamping assembly 5 of the turret clamping mechanism 4. The present utility model, through the turret clamping mechanism 4, the clamping assembly 5 on the turret clamping mechanism 4, the tool dressing device 53 and the slide table grinding wheel mechanism 6 introduced in the foregoing embodiment, jointly constitute the tool dressing system provided by the embodiment of the present utility model. When the slide table grinding wheel mechanism 6 performs a grinding operation on the material clamped by the clamping assembly 5, the tool dressing operation can be performed on the grinding device, without driving the slide table grinding wheel mechanism 6 to move to the tool dressing station for tool dressing operation, which not only simplifies the equipment structure but also improves the grinding processing efficiency.

[0167] Specifically, in a specific embodiment of the present utility model, the second collet bracket 522 includes a first support portion and a second support portion. The first support portion is connected to the central turret 41, and the second support portion extends away from the central turret 41 in the radial direction of the central turret 41 and is connected to the second collet 521. The axial length of the first support portion is greater than that of the second support portion, and the tool dressing device is arranged on the first support portion.

[0168] In a preferred embodiment of the present utility model, the horizontal height of the first support portion is located in the clamping plane of the second clamping, and the tool dressing device 53 is arranged on the first support portion and is flush with the clamping plane of the second clamping. Among them, the tool dressing device 53 includes an oilstone assembly, and the oilstone assembly includes oilstones oppositely arranged on both sides of the first support portion. The oppositely arranged oilstones can perform tool dressing operations on the oppositely arranged grinding wheel assemblies 62 simultaneously.

[0169] Furthermore, in a specific embodiment of the present utility model, the grinding station includes a rough grinding station and a fine grinding station. A rough grinding tool dressing device is arranged laterally on at least one clamping assembly 5, and a fine grinding tool dressing device is arranged laterally on at least two clamping assemblies 5. Therefore, in a preferred embodiment of the present utility model, a rough grinding tool dressing device is arranged on both sides of one of the clamping assemblies 5, and at least two clamping assemblies 5 are provided with the fine grinding tool dressing device 53, so as to perform tool dressing operations on different grinding wheels while performing grinding operations.

[0170] 5. Control method of grinding equipment

[0171] The embodiment of the present utility model also provides a control method based on the above-mentioned grinding equipment, which specifically includes the following steps:

[0172] S1. The turret clamping mechanism 4 drives the clamping assembly 5 to rotate to the corresponding grinding station, and the slide table grinding wheel mechanism 6 performs a grinding operation on the first processing side of the material at the current grinding station;

[0173] S2. The clamping assembly 5 drives the whole material to rotate so that the second processing side of the material is arranged relative to the grinding surface of the slide table grinding wheel mechanism 6;

[0174] S3. The slide table grinding wheel mechanism 6 performs a grinding operation on the second processing side of the material at the current grinding station until the grinding operation of the material at the current grinding station is completed.

[0175] The grinding equipment provided by the embodiment of the present invention improves the processing efficiency of the equipment by arranging at least two grinding stations on the base 7 and arranging the clamping assemblies 5 corresponding to the grinding stations on the turret clamping mechanism 4, so that the materials at different grinding stations can be subjected to grinding operations.

[0176] In the specific grinding operation, the grinding of the silicon block is completed through one rough grinding and one fine grinding. Therefore, the control method of the grinding equipment in the embodiment of the present invention may further specifically include the following steps:

[0177] S11. Control the rotation of the turret clamping mechanism 4 to drive the first clamping assembly to rotate to the rough grinding station. At this time, the second clamping assembly is located at the fine grinding station, and the third clamping assembly is located at the loading and unloading station;

[0178] S12. The material on the first clamping assembly performs a rough grinding operation at the rough grinding station; the material on the second clamping assembly performs a fine grinding operation at the fine grinding station; the transfer and centering mechanism 3 at the loading and unloading station performs material transfer and centering operations on the third clamping assembly;

[0179] S13. Control the rotation of the turret clamping mechanism 4 to drive the first clamping assembly to rotate to the fine grinding station. At this time, the second clamping assembly is located at the loading and unloading station, and the third clamping assembly is located at the rough grinding station;

[0180] S14. The material on the third clamping assembly performs a rough grinding operation at the rough grinding station; the material on the first clamping assembly performs a fine grinding operation at the fine grinding station; the transfer and centering mechanism 3 at the loading and unloading station unloads the processed material on the second clamping assembly and performs material transfer and centering operations.

[0181] The control method of the grinding equipment provided by the embodiment of the present invention improves the processing efficiency of the equipment by arranging at least two grinding stations on the base 7 and arranging the clamping assemblies 5 corresponding to the grinding stations on the turret clamping mechanism 4, so that the materials at different grinding stations can be subjected to grinding operations in one processing cycle.

[0182] The above further describes the present utility model with reference to specific embodiments. However, it should be understood that this specific description should not be construed as a limitation on the essence and scope of the present utility model. Various modifications made by those of ordinary skill in the art to the above embodiments after reading this specification all fall within the scope protected by the present utility model. Among the various specific technical features described in the above specific embodiments, they can be combined in any suitable manner without conflict. To avoid unnecessary repetition, the embodiments of the present utility model will not separately describe various possible combination methods.

[0183] If there are directional indications (such as up, down, left, right, front, back...) involved in the embodiments of the present utility model, then such directional indications are only used to explain the relative positional relationship and movement conditions between components in a certain specific posture (as shown in the drawings). If this specific posture changes, then the directional indications will also change accordingly.

Claims

1. A knife repair system, characterized in that, It includes a base, a turret clamping mechanism, and a slide grinding wheel mechanism. A grinding station is provided on the base. The slide grinding wheel mechanism is arranged at the grinding station. A clamping assembly is provided on the turret clamping mechanism. The slide grinding wheel mechanism reciprocates in the radial direction of the turret clamping mechanism. A tool dressing device is provided laterally to the clamping assembly to perform a tool dressing operation on the slide grinding wheel mechanism that moves to the tool dressing device.

2. The knife repair system according to claim 1, characterized in that, A plurality of grinding stations are provided on the base. The turret clamping mechanism includes a central turret. A plurality of clamping assemblies are arranged along the circumferential direction of the central turret. The central turret rotates around its longitudinal central axis so that each clamping assembly rotates between different grinding stations. A tool dressing device is provided laterally to at least one clamping assembly.

3. The knife repair system according to claim 2, characterized in that, The clamping assembly includes a first chuck assembly and a second chuck assembly arranged oppositely. The second chuck assembly includes a second chuck bracket and a second chuck. The second chuck bracket includes a first support portion and a second support portion. The first support portion is connected to the central turret. The second support portion extends away from the central turret in the radial direction of the central turret and is connected to the second chuck. The axial length of the first support portion is greater than that of the second support portion. The tool dressing device is provided on the first support portion.

4. The tool sharpening system according to claim 3, wherein The tool dressing device includes an oilstone assembly. The oilstone assembly includes oilstones arranged oppositely on both lateral sides of the first support portion.

5. The knife repair system according to claim 3, characterized in that, The first chuck assembly includes a first chuck bracket and a first chuck. One end of the first chuck bracket is connected to the side wall of the central turret, and the other end extends in the radial direction of the central turret and is connected to the first chuck. The first chuck bracket and / or the second chuck bracket reciprocate in the axial direction of the central turret to clamp or release the material.

6. The knife repair system according to any one of claims 2-5, characterized in that, The grinding stations include a rough grinding station and a finish grinding station. A rough grinding tool dressing device is provided laterally to at least one clamping assembly, and a finish grinding tool dressing device is provided laterally to at least two clamping assemblies.

7. The knife repair system according to any one of claims 1-5, characterized in that, The slide grinding wheel mechanism includes a slide feed guide arranged in the radial direction of the turret clamping mechanism and a grinding wheel slide slidably connected to the slide feed guide. Grinding wheel assemblies are arranged oppositely on the grinding wheel slide. The grinding wheel slide approaches or moves away from the grinding clamping assembly in the radial direction of the turret clamping mechanism.

8. The knife repair system according to claim 7, characterized in that, The grinding wheel assembly includes a grinding wheel drive assembly, a grinding wheel, and a spindle unit. The spindle unit includes a rotating spindle and a spindle housing arranged coaxially with the rotating spindle. The grinding wheel drive assembly drives the rotating spindle to rotate to drive the grinding wheel connected to the end of the rotating spindle to rotate. The spindle housing is fixedly connected to the grinding wheel drive assembly. The spindle housing is provided with a grinding wheel cooling component to cool the grinding wheel.

9. The knife repair system according to claim 8, wherein The grinding wheel cooling component includes a liquid inlet and a nozzle extending to the side of the grinding wheel. The liquid inlet is connected to an external coolant, and the coolant is sprayed onto the grinding wheel through the nozzle.

10. A grinding device, characterized in that, It includes a tool dressing system according to any one of claims 1-9.

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