A transfer trolley and method for grinding wheel production

Abstract

This invention discloses a transfer vehicle and method for grinding wheel preparation, belonging to the technical field of transfer vehicles. It includes a material rack and a vehicle body. A limiting plate is fixedly connected to the bottom of the material rack. The vehicle also includes a carrying hopper, an auxiliary support structure, a pushing mechanism, a hoisting mechanism, a limiting component, and a position sensor. The carrying hopper is rotatably mounted on the vehicle body. The pushing mechanism is movably mounted inside the carrying hopper. The hoisting mechanism is movably mounted on a slide rail for hoisting the material rack into the carrying hopper and driving the pushing mechanism. The limiting component limits the pushing mechanism to maintain stability during transfer. The position sensor is installed on the carrying hopper to detect the position of the curing oven and control the vehicle body to move to the position corresponding to the curing oven. This invention provides a transfer vehicle and method for grinding wheel preparation, achieving rapid and safe transfer of grinding wheel blanks, solving the technical problems of low transfer efficiency and safety risks in existing technologies.

Description

Technical Field

[0001] This invention belongs to the field of transfer vehicle technology, specifically relating to a transfer vehicle and method for preparing grinding wheels. Background Technology

[0002] A grinding wheel curing oven is a piece of equipment used to produce grinding wheels, which are abrasive tools widely used in manufacturing, machining and cutting. They are composed of abrasive and binder. The curing oven cures the binder of the grinding wheel by heating and cooling. The semi-finished grinding wheel after molding needs to be transferred to the curing oven for high-temperature curing treatment. The traditional process uses manual handcarts or simple flatbed carts to push the racks containing the grinding wheel blanks into the curing oven.

[0003] The temperature at the entrance of the curing oven is high, and volatile substances are present, making the working environment harsh. The material racks fully loaded with grinding wheel blanks are also quite heavy, weighing 300kg-500kg. This requires multiple people to push them together, consuming a lot of physical strength, resulting in low transfer efficiency and safety risks. Currently, some transport vehicles are used to transport grinding wheel blanks, but manual handling of the blanks or hoisting equipment is still required to lift and move the material racks. Workers still need to be present to control the hoisting equipment and assist in aligning the material racks. Especially when transporting the material racks into the curing oven, the problems of low transfer efficiency and safety risks have not been completely overcome. Summary of the Invention

[0004] The purpose of this invention is to provide a transfer vehicle and method for preparing grinding wheels, so as to realize the rapid and safe transfer of grinding wheel blanks and solve the problems of low transfer efficiency and safety risks in the prior art.

[0005] To achieve the above objectives, embodiments of the present invention provide a transfer cart for grinding wheel preparation, including a material rack and a cart body. A limiting plate is fixedly connected to the bottom end of the material rack, and the limiting plate contacts the top edge of the material rack to achieve stacking of the material racks. The cart also includes: A carrying bucket, which is rotatably mounted on the vehicle body; An auxiliary support structure, disposed on the vehicle body, is used to provide auxiliary support for the vehicle body during loading and unloading of materials and to provide anti-tilt protection for the vehicle body when it moves. The auxiliary support structure includes: A transverse sliding plate, which is movably mounted on the vehicle body; The support base is liftable and height-adjustable on the transverse plate. When loading and unloading the material rack, the support base contacts the ground to fix the vehicle body and can adjust the height of the carrying bucket to correspond to the height of the curing oven. When the vehicle body moves, the support base rises to maintain a preset gap with the ground. The pushing mechanism, comprising two sets, is movably disposed inside the carrying hopper for lifting and pushing the material rack. The pushing mechanism includes: A movable frame, the bottom of which is rotatably equipped with multiple rollers, is movably mounted on the carrying bucket; A lifting frame, which is vertically and vertically mounted on the movable frame, and the lifting frame and the movable frame can be inserted below the material rack; A hoisting mechanism is provided, wherein a slide rail is mounted on the carrying hopper, and the hoisting mechanism is movably mounted on the slide rail for hoisting the material rack into the carrying hopper and driving the pushing mechanism to move. The hoisting mechanism includes: A lifting frame, which is movably mounted on the slide rail; Clamping plates, two clamping plates are provided, the clamping plates are liftable and movable on the hoisting frame, and the clamping plates are located on both sides of the material rack; Insert rods, wherein multiple insert rods are provided, the insert rods are movably mounted on the clamping plate, and the material rack is provided with insertion holes that match the insert rods; A limiting component, used to limit the pushing mechanism to maintain stability during transport, the limiting component comprising: An insert plate, which is fixedly mounted on the movable frame; A limiting seat is fixedly mounted on the carrying bucket. The limiting seat has a slot that matches the insert plate. A magnet is fixedly mounted inside the slot. The magnet is in contact with the insert plate. The insert plate is made of iron metal. A position sensor is installed on the carrying bucket to detect the position of the curing oven and control the vehicle body to move to the position corresponding to the curing oven.

[0006] To enable the movement of the hoisting frame, a slider is fixedly connected to the bottom of the hoisting frame, the slider and the slide rail are in sliding engagement, a traveling gear is rotatably mounted on the hoisting frame, and a fixed rack is fixedly connected to the slide rail, the traveling gear and the fixed rack mesh.

[0007] To enable the movement of the mobile frame, the mobile frame is fixedly provided with a socket that matches the plug rod, and the movement of the hoisting frame can push the mobile frame to move.

[0008] To enable the lifting frame to rise and fall, a slide rod is fixedly installed on the movable frame, and a slide block is fixedly connected to the lifting frame. The slide block and the slide rod are in sliding engagement. An electric cylinder is installed on the movable frame, and the slide block and the output end of the electric cylinder are fixedly connected.

[0009] To improve the stability of the material rack during transport, the distance between the insertion hole of one material rack and the adjacent insertion hole of the other material rack is equal to the distance between two adjacent insertion holes on the same material rack. The insertion rod is inserted into two adjacent insertion holes on the two material racks during transport.

[0010] The invention also provides a method for transporting grinding wheels, which uses the above-mentioned transport vehicle for grinding wheel preparation, and includes the following steps: S1. Loading: The vehicle body moves to the rack position where the grinding wheel blanks to be cured are placed. The support seat descends and contacts the ground to support and fix the vehicle body. The hoisting frame moves to the edge of the carrying bucket. The clamping plate moves to both sides of the rack. The insertion rod moves to the position of insertion with the insertion hole. The clamping plate drives the rack to rise. The hoisting frame and clamping plate move to move the rack above the moving frame and lifting frame and place it. Multiple racks are stacked in sequence above the two pushing mechanisms. The limiting plate limits the rack to keep it in a stable state. S2, Transfer: The support seat rises off the ground, and the vehicle body moves the material rack towards the curing oven. During the transfer, the clamping plate moves between the two rows of material racks, and the insertion rod is inserted into the two adjacent insertion holes of the two rows of material racks to limit the material rack and keep it stable. The position sensor detects the position of the curing oven and moves the vehicle body to the position corresponding to the curing oven, so that the carrying bucket and the curing oven are close together. S3. Feeding: The support seat descends and contacts the ground, continuing to descend to lift the carrying hopper to the same height as the curing furnace. The clamping plate moves to the position corresponding to the insertion hole on the moving frame, and the insertion rod moves to insert into the insertion hole. The lifting frame lifts the material rack and disengages it from the carrying hopper. The lifting frame and clamping plate move to move the moving frame, pushing the material rack to a suitable position inside the curing furnace. Then the lifting frame descends, and the lifting frame and clamping plate move the moving frame back to the carrying hopper, allowing the insertion plate to insert into the slot to limit the movement of the moving frame. Then the carrying hopper rotates 180 degrees, and the above steps are repeated to push another row of material racks into the curing furnace to complete the transfer of the grinding wheel blank.

[0011] The significant technical effects of the embodiments of the present invention are as follows: 1. Compared with the existing technology that uses manual handling of the material rack, the present invention uses a hoisting mechanism to lift the material rack onto the carrying hopper and place the material rack. The stability of the material rack is ensured by a stable lifting clamping plate. There is no need for manual support and placement of the material rack. The material rack is lifted by a lifting frame and the moving frame is moved by the hoisting mechanism to push the material rack into the interior of the curing oven. This reduces manual intervention, especially when pushing the material rack into the curing oven, thereby reducing safety risks.

[0012] 2. Compared with the prior art, the present invention transfers two rows of material racks at a time. By rotating the carrying bucket, the two rows of material racks are pushed into the interior of the curing oven in sequence. Through the hoisting mechanism and the movement of the pushing mechanism, the material racks can be automatically hoisted and pushed, which improves the automation level of the transfer process and thus improves the transfer efficiency.

[0013] 3. Compared with the transfer vehicle in the prior art, in this application, the material racks are directly stacked on the carrying hopper, and the carrying hopper provides side protection for the material racks. The two rows of material racks are further limited by the cooperation of the insertion rod and the insertion hole, so as to ensure the stability of the material racks during the transfer process. At the same time, the support seat provides auxiliary support when the vehicle body is tilted, thereby preventing it from tipping over, and further reducing safety hazards during the transfer process. Attached Figure Description

[0014] To more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0015] Figure 1 This is a first-view structural schematic diagram of a transfer vehicle and method for preparing grinding wheels according to an embodiment of the present invention. Figure 2 for Figure 1 A schematic diagram of the overall structure from a second perspective; Figure 3 for Figure 1 Structural diagram of the CRRC body, the load-bearing bucket, the pushing mechanism, and the hoisting mechanism; Figure 4 for Figure 1 Schematic diagram of the central rotating shaft, electric cylinder 2, drive rack and driven gear; Figure 5 for Figure 1 Structural diagram of the middle slide rail, traveling gear, motor, and hoisting mechanism; Figure 6 for Figure 1 A schematic diagram of the structure of the clamping plate, the insert rod, and the electric cylinder 7; Figure 7 for Figure 1 A first-person view structural diagram of the push mechanism; Figure 8 for Figure 1 A structural diagram of the push mechanism from a second-person perspective; Figure 9 for Figure 1 Schematic diagram of the structure of the middle limit seat and the magnet; Figure 10 for Figure 1 A schematic diagram of the structure of the central material rack and the limiting plate.

[0016] In the picture: 1. Material rack; 2. Car body; 3. Limiting plate; 4. Loading hopper; 5. Rotating shaft; 6. Electric cylinder II; 7. Drive rack; 8. Driven gear; 9. Ball bearing; 10. Slide rail; 11. Travel gear; 12. Motor; 13. Fixed rack; 14. Position sensor; 101. Horizontal sliding plate; 102. Support base; 103. Electric cylinder three; 104. Electric cylinder four; 201. Movable frame; 202. Lifting frame; 203. Rollers; 204. Slide bar; 205. Slide block; 206. Electric cylinder one; 301. Lifting frame; 302. Clamping plate; 303. Insert rod; 304. Electric cylinder five; 305. Electric cylinder six; 306. Electric cylinder seven; 401. Insert plate; 402. Limiting seat; 403. Magnet. Detailed Implementation The embodiments of the technical solution of this application will now be described in detail with reference to the accompanying drawings. These embodiments are only used to more clearly illustrate the technical solution of this application and are therefore merely examples, and should not be used to limit the scope of protection of this application.

[0017] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains; the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the application; the terms “comprising” and “having”, and any variations thereof, in the specification, claims, and foregoing description of the drawings are intended to cover non-exclusive inclusion.

[0018] In the description of the embodiments of this application, technical terms such as "first" and "second" are used only to distinguish different objects and should not be construed as indicating or implying relative importance or implicitly specifying the number, specific order, or primary and secondary relationship of the indicated technical features. In the description of the embodiments of this application, "multiple" means two or more, unless otherwise explicitly defined.

[0019] In this document, the term "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0020] In the description of the embodiments of this application, the term "and / or" is merely a description of the association relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent: A existing alone, A and B existing simultaneously, and B existing alone. Additionally, the character " / " in this document generally indicates that the preceding and following related objects have an "or" relationship. In the description of the embodiments of this application, the term "multiple" refers to two or more (including two), similarly, "multiple groups" refers to two or more groups (including two groups), and "multiple pieces" refers to two or more pieces (including two pieces).

[0021] In the description of the embodiments of this application, the technical terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the embodiments of this application and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of this application.

[0022] In the description of the embodiments of this application, unless otherwise expressly specified and limited, technical terms such as "installation", "connection", "linking", and "fixing" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components.

[0023] Please see Figures 1 to 10This illustration shows a transfer vehicle for grinding wheel preparation according to an embodiment of the present invention, including a material rack 1 and a vehicle body 2. The vehicle body 2 is prior art known to those skilled in the art. A heavy-duty omnidirectional mobile platform vehicle can be used. The core motion principle of the heavy-duty omnidirectional mobile platform vehicle is based on a special wheel system design and multi-axis collaborative control technology. Currently, the mainstream solutions mainly adopt Mecanum wheels or multi-steering wheel systems. The Mecanum wheel has a unique structure, based on a central hub and multiple angled rollers 203 around it. These rollers 203 arranged at specific angles can decompose the driving force into longitudinal and lateral components. By precisely controlling the speed and direction of each wheel, the platform can achieve full free movement. Based on the kinematic analysis of a four-steering wheel omnidirectional heavy-duty AGV, the control system can accurately determine each typical working condition. The mathematical relationship between the lower steering wheel angle and speed lays the theoretical foundation for multi-wheel coordinated motion control. This precise control enables the platform to directly translate and rotate from a stationary state in a narrow space and move along any set path, greatly improving operational efficiency and space utilization. It also enables automatic and precise transfer of grinding wheel blanks. The bottom end of the material rack 1 is fixedly connected to the limiting plate 3. The limiting plate 3 contacts the top edge of the material rack 1 to achieve the stacking of the material rack 1. The grinding wheel blanks are stacked inside the material rack 1. The material rack 1 has a square structure. There are four limiting plates 3, which contact the outer side of the top of the four corners of the material rack 1 to ensure the stability of the material rack 1 and realize the stacking of multiple material racks 1. It also includes a carrying bucket 4, an auxiliary support structure, a pushing mechanism, a hoisting mechanism, a limiting component, and a position sensor 14.

[0024] The carrying bucket 4 is rotatably mounted on the vehicle body 2. The carrying bucket 4 is rotatably mounted on the vehicle body 2 via a rotating shaft 5. An electric cylinder 6 is mounted on the vehicle body 2. A drive rack 7 is fixedly connected to the output end of the electric cylinder 6. A driven gear 8 is fixedly mounted on the outside of the rotating shaft 5. The driven gear 8 meshes with the drive rack 7. The electric cylinder 6 can drive the drive rack 7 to move, thereby driving the driven gear 8 and the rotating shaft 5 to rotate, adjusting the horizontal angle of the carrying bucket 4. Multiple ball bearings 9 are rolled on the top of the vehicle body 2, contacting the bottom end of the carrying bucket 4 to improve the stability and support of the carrying bucket 4. Simultaneously, the rolling of the ball bearing 9 reduces the resistance to the rotation of the carrying bucket 4. The electric cylinder 6 drives the drive rack 7 to move a certain distance at a time, causing the driven gear 8 and the rotating shaft 5 to rotate 180 degrees at a time, thereby changing the direction of the carrying bucket 4. The carrying bucket 4 can hold two rows of material racks 1 at a time, so that the two rows of material racks 1 can be aligned with the inlet of the curing oven in sequence and pushed into the interior of the curing oven. Alternatively, depending on the layout of the factory or workshop and the placement of the material racks 1, the carrying bucket 4 can be rotated to a suitable angle so that the hoisting mechanism can move above the material racks 1 for hoisting and placement.

[0025] An auxiliary support structure is installed on the vehicle body 2 to provide auxiliary support for the vehicle body 2 during loading and unloading of the material rack 1 and to prevent the vehicle body 2 from tilting when it moves. The auxiliary support structure includes a transverse plate 101 and a support base 102. The transverse plate 101 is movably installed on the vehicle body 2. An electric cylinder 103 is installed on the vehicle body 2. A transverse groove matching the transverse plate 101 is opened on the vehicle body 2. The transverse plate 101 is fixedly connected to the output end of the electric cylinder 103. The support base 102 is raised and lowered on the transverse plate 101. An electric cylinder 104 is installed on the transverse plate 101. The support base 102 is fixedly connected to the output end of the electric cylinder 104. When loading and unloading the material rack 1, the support base 102 contacts the ground to fix the vehicle body 2 and can adjust the height of the carrying bucket 4 to correspond to the height of the curing oven. When the vehicle body 2 moves, the support base 102 rises to maintain a preset gap with the ground. When loading and unloading the material rack 1, it is necessary to ensure that the vehicle body 2... To ensure stability, based on the position of the vehicle body 2 and the surrounding space, the electric cylinder 103 drives the transverse plate 101 to move outward, and the electric cylinder 104 drives the support seat 102 to contact the ground. The friction between the support seat 102 and the ground ensures the stability of the vehicle body 2 and prevents the vehicle body 2 from moving further. Especially when pushing the material rack 1 containing the grinding wheel blank into the curing furnace, the electric cylinder 104 can drive the support seat 102 to lift the vehicle body 2 and the carrying bucket 4, so that the carrying bucket 4 rises to a position flush with the inner bottom wall of the curing furnace. The carrying bucket 4 is close to the curing furnace, which allows the pushing mechanism to directly push the material rack 1 into the interior of the curing furnace. During the movement of the vehicle body 2, the support seat 102 rises under the action of the electric cylinder 104 to a certain gap with the ground to avoid obstructing the movement of the vehicle body 2. At the same time, it can support the vehicle body 2 when it tilts to prevent the vehicle body 2 from tipping over and ensure stability during the transfer process.

[0026] Please see Figures 7 to 8The pushing mechanism has two sets, which are movably installed inside the carrying hopper 4 for lifting and pushing the material rack 1. The pushing mechanism includes a movable frame 201 and a lifting frame 202. Multiple rollers 203 are rotatably installed at the bottom of the movable frame 201. The movable frame 201 is movably installed on the carrying hopper 4, and the lifting frame 202 is raised and lowered on the movable frame 201. The lifting frame 202 and the movable frame 201 can be inserted under the material rack 1. A slide rod 204 is fixedly installed on the movable frame 201, and a slide seat 205 is fixedly connected to the lifting frame 202. The slide seat 205 and the slide rod 204 are in sliding engagement. An electric cylinder 206 is installed on the movable frame 201, and the output end of the slide seat 205 and the electric cylinder 206 are fixedly connected. The movable frame 201 and the lifting frame 202 form a structure similar to a forklift. Due to the presence of the limiting plate 3, the bottom surface of the material rack 1 is also... The surface holding the grinding wheel blank is a certain height above the ground. The moving frame 201 and the lifting frame 202 can pass through this gap. The lifting frame 202 can be raised and lowered by the electric cylinder 206, which can lift the stacked material rack 1 away from the bearing hopper 4. Then, the material hopper can be pushed into the interior of the curing furnace by the movement of the roller 203. The sliding cooperation of the slide rod 204 and the slide seat 205 can further improve the stability of the lifting frame 202. The lifting frame 202 is made of high strength and rigidity material, which can bear the weight of the material rack 1 and the grinding wheel blank without deformation, ensuring the stability of the material rack 1 during the pushing process. After the moving frame 201 pushes the material rack 1 to the appropriate position in the curing furnace, the electric cylinder 206 drives the lifting frame 202 to slowly descend so that the material rack 1 is stably placed inside the curing furnace. Then the moving frame 201 returns to the bearing hopper 4 to prepare for subsequent transfer.

[0027] A slide rail 10 is installed on the carrying bucket 4. A hoisting mechanism is movably mounted on the slide rail 10 for hoisting the material rack 1 into the carrying bucket 4 and driving the pushing mechanism to move. The hoisting mechanism includes a hoisting frame 301, a clamping plate 302, and a push rod 303. The hoisting frame 301 is movably mounted on the slide rail 10. The two sides of the carrying bucket 4 are fence structures. The hoisting frame 301 can connect the fence structures on both sides of the carrying bucket 4 to ensure the stability of the carrying bucket 4, thereby ensuring the shielding and protection effect of the material rack 1. To realize the movement of the hoisting frame 301, a slider is fixedly connected to the bottom of the hoisting frame 301. The slider and the slide rail 10 are in sliding engagement. A traveling gear 11 is rotatably mounted on the hoisting frame 301. A motor 12 is installed on the hoisting frame 301. 11 is fixedly connected to the output end of motor 12. A fixed rack 13 is fixedly connected to slide rail 10. The traveling gear 11 meshes with the fixed rack 13. Two clamping plates 302 are provided. The clamping plates 302 are liftable and movably mounted on the lifting frame 301. An electric cylinder 304 is mounted on the lifting frame 301. The electric cylinder 304 extends and retracts vertically. An electric cylinder 305 is mounted at the output end of the electric cylinder 304. The electric cylinder 305 moves along the length of the carrying bucket 4. The clamping plates 302 are fixedly connected to the output end of the electric cylinder 305. The clamping plates 302 are located on both sides of the material rack 1. Multiple insertion rods 303 are provided. The insertion rods 303 are movably mounted on the clamping plates 302. An electric cylinder 306 is mounted on the clamping plates 302. Multiple insertion rods 303 are provided. The insertion rods 303 are movably mounted on the clamping plates 302. 3. Fixedly connected to the output end of electric cylinder 306, the material rack 1 is provided with a matching insertion hole for the insertion rod 303, and the moving frame 201 is fixedly provided with a matching insertion hole for the insertion rod 303. The movement of the lifting frame 301 can push the moving frame 201 to move. The motor 12 drives the traveling gear 11 to rotate, and under the action of the fixed rack 13, it can drive the lifting frame 301 to move along the slide rail 10, thereby adjusting the position of the insertion rod 303. The electric cylinder 304 can drive the clamping plate 302 to rise and fall, thereby adjusting the height of the insertion rod 303. The electric cylinder 305 drives the clamping plate 302 to move along the length direction of the bearing bucket 4, which is the moving direction of the lifting frame 301, further expanding the moving range of the insertion rod 303. Move the material rack 1 outside the support frame, or push the moving frame 201. The lifting frame 301 moves to the edge of the slide rail 10. Electric cylinder six 305 drives the clamping plate 302 to move above the material rack 1 outside the support hopper 4. Then, electric cylinder five 304 drives the clamping plate 302 to descend. A position sensor 14 can be installed on the clamping plate 302 to detect the position of the material rack 1, especially the position of the insertion hole, so that the insertion rod 303 and the insertion hole are aligned. Electric cylinder seven 306 drives the insertion rod 303 to insert into the insertion hole. Electric cylinder five 304 drives the insertion rod 303 and the material rack 1 to rise. Then, the lifting frame 301 and the clamping plate 302 move, moving the material rack 1 above the lifting frame 202 and placing it on the support hopper 4. The position of the material rack 1 is fixed.The placement position of the material rack 1 is preset, allowing the insertion rod 303 to move directly above that position, thus ensuring the stable stacking of multiple material racks 1. The insertion rod 303 moves to engage with the insertion hole on the moving frame 201. The material rack 1 can be pushed into the interior of the curing oven or the moving frame 201 can be returned from the interior of the curing oven to the carrying hopper 4 by moving the lifting frame 301 and the clamping plate 302.

[0028] The limiting component is used to limit the pushing mechanism to maintain stability during the transfer process. The limiting component includes an insert plate 401 and a limiting seat 402. The insert plate 401 is fixedly mounted on the movable frame 201, and the limiting seat 402 is fixedly mounted on the carrying hopper 4. The limiting seat 402 has a slot that matches the insert plate 401. A magnet 403 is fixedly installed inside the slot, and the magnet 403 contacts the insert plate 401. The insert plate 401 is made of ferrous metal. When the movable frame 201 is inside the carrying hopper 4, the insert plate 401... 1. Insert the insert plate 401 into the slot. At the same time, the slot limits the insertion plate 401 to ensure the stability of the position of the moving frame 201. When the lifting frame 301 drives the insert rod 303 to push the moving frame 201, the moving direction of the moving frame 201 is fixed because the lifting frame 301 and the clamping plate 302 move along the length of the slide rail 10. When the moving frame 201 returns to the carrying hopper 4, it can be smoothly inserted into the slot, while ensuring the accuracy of the material rack 1.

[0029] A position sensor 14 is installed on the carrying bucket 4 to detect the position of the curing oven and control the vehicle body 2 to move to the position corresponding to the curing oven. The position sensor 14 can be a photoelectric position sensor, which is a prior art known to those skilled in the art. It determines the position of the target by emitting a beam of light and receiving the beam of light reflected back from the target object. When the target is close to the sensor, the intensity of the reflected beam increases, and when the target is far away from the sensor, the intensity of the reflected beam decreases. By measuring the intensity of the reflected beam, the position of the target relative to the sensor can be determined. A camera can also be installed on the carrying bucket 4 to assist in judging the position and height of the curing oven and transmit the information to the processor to locate the curing oven and control the vehicle body 2 to move to the position corresponding to the curing oven. At the same time, an electrical signal is transmitted to the electric cylinder 104 to drive the support seat 102 to descend and lift the vehicle body 2 and the carrying bucket 4, so that the carrying bucket 4 is raised to the position corresponding to the height of the curing oven, so as to facilitate the movement of the moving frame 201 into the interior of the curing oven.

[0030] To improve the stability of the material rack 1 during transport, the distance between the insertion hole of one material rack 1 and the adjacent insertion hole of the other material rack 1 is equal to the distance between two adjacent insertion holes on the same material rack 1. The insertion rod 303 is inserted into two adjacent insertion holes on the two material rack 1 during transport. The insertion holes are set at the four corners of the material rack 1. The distance between two adjacent insertion holes on the two material rack 1 is equal to the distance between two insertion holes on the same material rack 1. When the clamping plate 302 is between the two material rack 1, the electric cylinder 306 can drive the insertion rod 303 to be inserted into the insertion holes on the two material rack 1 respectively, thereby limiting the two material rack 1 and ensuring the stability of the material rack 1 during transport.

[0031] The invention also provides a method for transporting grinding wheels, which uses the above-mentioned transport vehicle for grinding wheel preparation, and includes the following steps: S1. Loading: The vehicle body 2 moves to the rack 1 containing the grinding wheel blanks to be cured. The support seat 102 descends and contacts the ground to support and fix the vehicle body 2, ensuring its stability. The motor 12 drives the traveling gear 11 to rotate, which, under the action of the fixed rack 13, moves the lifting frame 301 to the edge of the carrying bucket 4. The electric cylinder 305 moves the clamping plate 302 above the rack 1. The two clamping plates 302 are located on both sides of the rack 1. The electric cylinder 304 lowers the clamping plate 302 so that the height of the insertion rod 303 and the insertion hole are aligned. The placement information of the rack 1 can be pre-input into the processor, and the rack 1 can be placed in a fixed position during the grinding wheel blank production process. The grinding wheel blanks are arranged on the rack 1, and the processor controls the vehicle body to move. Body 2 moves to the designated position. Through the movement of the hoisting frame 301 and the clamping plate 302, and the lifting and lowering of the clamping plate 302, the positions of the insertion rod 303 and the insertion hole are aligned. The electric cylinder 306 drives the insertion rod 303 to move to the position where it is inserted into the insertion hole. Then, the electric cylinder 304 drives the clamping plate 302, the insertion rod 303 and the material rack 1 to rise. The hoisting frame 301 and the clamping plate 302 move to move the material rack 1 above the moving frame 201 and the lifting frame 202 and place it. The placement position of the material rack 1 is preset so that the distance between two adjacent insertion holes of the two rows of material racks 1 and the distance between two insertion rods 303 on the same side are matched. In the above manner, multiple material racks 1 are stacked sequentially above the two pushing mechanisms. The limiting plate 3 limits the material rack 1 to keep it in a stable state. S2, Transfer: Electric cylinder 104 drives support seat 102 to rise and leave the ground. The wheels of vehicle body 2 contact the ground. The position information of curing oven is pre-input into the processor. The processor controls vehicle body 2 to move material rack 1 towards curing oven. During the transfer, clamping plate 302 moves between two rows of material racks 1. Insert rod 303 is inserted into two adjacent insertion holes of the two rows of material racks 1 to limit the material rack 1 and keep it stable. When it moves close to the curing oven, the position sensor 14 detects the position of the curing oven and moves vehicle body 2 to the position corresponding to the curing oven, so that the carrying bucket 4 is close to the curing oven. S3. Feeding: The dimensions of the curing oven are pre-input into the processor. The electric cylinder 104 is controlled to lower the support base 102 to contact the ground and continue to lower it, raising the carrying bucket 4 to the same height as the curing oven. The insertion rod 303 moves away from the insertion hole on the material rack 1. The clamping plate 302 moves to the position corresponding to the insertion hole on the moving frame 201. The insertion rod 303 moves to the insertion hole. The electric cylinder 206 drives the lifting frame 202 to rise, causing the material rack 1 to rise. The bottom limiting plate 3 disengages from the carrying bucket 4. The hoisting frame 301 moves along the slide rail 10 to a position close to the edge of the curing oven. The electric cylinder 305 continues to drive the clamping plate 302 to move. The moving frame 201 is moved into the curing oven, pushing the material rack 1 to a suitable position inside the curing oven. Then the lifting frame 202 descends, and the hoisting frame 301 and clamping plate 302 drive the moving frame 201 back onto the carrying hopper 4 and insert the insert plate 401 into the slot to limit the moving frame 201. Then the car body 2 moves away from the curing oven at a certain distance, and the electric cylinder 2 6 drives the rotating shaft 5 and the carrying hopper 4 to rotate 180 degrees, so that the other side of the carrying hopper 4 faces the curing oven. The above steps are repeated to push another row of material racks 1 into the curing oven to complete the transfer of the grinding wheel blank. Then the car body 2 continues to move to transfer the subsequent material racks 1. After the grinding wheel has cured, the vehicle body 2 moves to the curing oven, which is also the unloading position. The lifting frame 301 and the clamping plate 302 control the insertion rod 303 to move the moving frame 201 into the interior of the curing oven. The lifting frame 202 lifts the material rack 1, which can be moved from the interior of the curing oven to the top of the carrying hopper 4. The lifting mechanism can then place the material rack 1 in a suitable position on the vehicle body for subsequent processing.

[0032] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and not to limit them. Although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all such modifications or substitutions should be covered within the scope of protection of the claims of the present invention.

Claims

1. A transfer cart for grinding wheel preparation, comprising a material rack (1) and a cart body (2), wherein a limiting plate (3) is fixedly connected to the bottom end of the material rack (1), and the limiting plate (3) and the top edge of the material rack (1) are in contact to achieve stacking of the material rack (1), characterized in that, Also includes: The carrying bucket (4) is rotatably mounted on the vehicle body (2); A pushing mechanism is movably disposed inside the carrying hopper (4) for lifting and pushing the material rack (1); The hoisting mechanism is provided with a slide rail (10) installed on the carrying bucket (4). The hoisting mechanism is movably mounted on the slide rail (10) and is used to hoist the material rack (1) into the carrying bucket (4) and drive the pushing mechanism to move. A limiting component is provided to limit the pushing mechanism so that it remains stable during transport. A position sensor (14) is installed on the carrying bucket (4) to detect the position of the curing oven and control the vehicle body (2) to move to the position corresponding to the curing oven.

2. The transfer vehicle for grinding wheel preparation according to claim 1, characterized in that, It also includes an auxiliary support structure, which is disposed on the vehicle body (2) and is used to provide auxiliary support to the vehicle body (2) when loading and unloading the rack (1) and to provide anti-tilt protection to the vehicle body (2) when it moves. The auxiliary support structure includes: A transverse sliding plate (101) is movably mounted on the vehicle body (2); Support base (102), which can be raised and lowered on the transverse plate (101). When loading and unloading the material rack (1), the support base (102) contacts the ground to fix the vehicle body (2) and can adjust the height of the carrying bucket (4) to correspond to the height of the curing oven. When the vehicle body (2) moves, the support base (102) rises to maintain a preset gap with the ground.

3. The transfer vehicle for grinding wheel preparation according to claim 2, characterized in that, The push mechanism includes: The movable frame (201) is provided with multiple rollers (203) at its bottom and is movably mounted on the carrying bucket (4). The lifting frame (202) is movable and can be raised and lowered on the movable frame (201). The lifting frame (202) and the movable frame (201) can be inserted below the material rack (1).

4. The transfer vehicle for grinding wheel preparation according to claim 3, characterized in that, The hoisting mechanism includes: A hoisting frame (301) is movably mounted on the slide rail (10); Clamping plates (302), two clamping plates (302) are provided, the clamping plates (302) are liftable and movable on the hoisting frame (301), and the clamping plates (302) are located on both sides of the material rack (1); Insert rod (303), multiple insert rods (303) are provided, the insert rods (303) are movably disposed on the clamping plate (302), and the material rack (1) is provided with insertion holes that match the insert rods (303).

5. The transfer vehicle for grinding wheel preparation according to claim 4, characterized in that, The limiting component includes: Insert plate (401), the insert plate (401) is fixedly mounted on the movable frame (201); A limiting seat (402) is fixedly installed on the bearing bucket (4). The limiting seat (402) has a slot that matches the insert plate (401). A magnet (403) is fixedly installed inside the slot. The magnet (403) is in contact with the insert plate (401). The insert plate (401) is made of iron metal.

6. The transfer vehicle for grinding wheel preparation according to claim 5, characterized in that, The bottom of the hoisting frame (301) is fixedly connected to a slider, the slider and the slide rail (10) are in sliding engagement, a traveling gear (11) is rotatably provided on the hoisting frame (301), and a fixed rack (13) is fixedly connected to the slide rail (10), the traveling gear (11) and the fixed rack (13) mesh.

7. The transfer vehicle for grinding wheel preparation according to claim 6, characterized in that, The movable frame (201) is fixedly provided with a socket that matches the insertion rod (303), and the movement of the hoisting frame (301) can push the movable frame (201) to move.

8. The transfer vehicle for grinding wheel preparation according to claim 7, characterized in that, A slide rod (204) is fixedly installed on the movable frame (201), and a slide seat (205) is fixedly connected to the lifting frame (202). The slide seat (205) and the slide rod (204) are in sliding cooperation. An electric cylinder (206) is installed on the movable frame (201), and the output end of the slide seat (205) and the electric cylinder (206) are fixedly connected.

9. A transfer vehicle for grinding wheel preparation according to claim 8, characterized in that, In the two rows of material racks (1), the distance between the insertion hole of one row of material racks (1) and the adjacent insertion hole of the other row of material racks (1) is equal to the distance between two adjacent insertion holes on the same material rack (1). The insertion rod (303) is inserted into two adjacent insertion holes on the two rows of material racks (1) during the transfer process.

10. A method for transporting materials for grinding wheel preparation, using the grinding wheel preparation transport vehicle as described in claim 9, characterized in that, Includes the following steps: S1. Loading: The vehicle body (2) moves to the position of the rack (1) holding the grinding wheel blank to be cured. The support seat (102) descends and contacts the ground to support and fix the vehicle body (2). The hoisting frame (301) moves to the edge of the carrying bucket (4). The clamping plate (302) moves to both sides of the rack (1). The insertion rod (303) moves to the position of insertion into the insertion hole. The clamping plate (302) drives the rack (1) to rise. The hoisting frame (301) and the clamping plate (302) move to move the rack (1) above the moving frame (201) and the lifting frame (202) and place it. Multiple racks (1) are stacked in sequence above the two pushing mechanisms. The limiting plate (3) limits the rack (1) to make the rack (1) stable. S2, Transfer: The support base (102) rises off the ground, and the vehicle body (2) drives the material rack (1) to move towards the curing oven. During the transfer, the clamping plate (302) moves between the two rows of material racks (1), and the insertion rod (303) is inserted into the two adjacent insertion holes of the two rows of material racks (1) to limit the material rack (1) and keep the material rack (1) stable. The position of the curing oven is detected by the position sensor (14) so ​​that the vehicle body (2) moves to the position corresponding to the curing oven and the carrying bucket (4) is close to the curing oven. S3, Feeding: The support base (102) descends and contacts the ground and continues to descend, driving the bearing bucket (4) to rise to the same height as the curing furnace. The clamping plate (302) moves to the position corresponding to the insertion hole on the moving frame (201). The insertion rod (303) moves to the insertion hole and is inserted. The lifting frame (202) drives the material rack (1) to rise and detach from the bearing bucket (4). The hoisting frame (301) and the clamping plate (302) move, driving the moving frame (201) to move and push the material rack (1) to a suitable position inside the curing furnace. Then the lifting frame (202) descends, and the hoisting frame (301) and the clamping plate (302) drive the moving frame (201) back to the bearing bucket (4) and insert the insertion plate (401) into the slot to limit the moving frame (201). Then the bearing bucket (4) rotates 180 degrees and repeats the above steps to push another row of material racks (1) into the curing furnace to complete the transfer of the grinding wheel blank.

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