Feeding angle deviation rectifying device

Abstract

The utility model relates to the technical field of material transfer devices, in particular to a feeding angle deviation rectifying device. Comprising a deviation rectifying device, the deviation rectifying device comprises a set of deviation rectifying bases and rotary drivers in one-to-one correspondence with the deviation rectifying bases, deviation rectifying storage grooves matched with transferred materials are formed in the deviation rectifying bases, deviation rectifying suction cups are arranged at the bottoms of the deviation rectifying storage grooves, and the deviation rectifying suction cups are used for adsorbing the transferred materials placed in the deviation rectifying storage grooves; the rotary driver is in transmission connection with the deviation correcting seat; the deviation corrector is arranged on a movable assembly of the material transferring and moving device; when the deviation corrector is transferred to the transfer-in position by the transfer moving device, the transfer-in manipulator is used for transferring out the transferred material; a deviation correction visual detection device; and when the deviation corrector is transferred to the roll-out position through the material transferring and moving device, the feeding mechanical arm is used for transferring the transferred materials from the deviation corrector to the positioning tool. And the rotation synchronism of the transferred material and the deviation correcting seat can be ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to material transfer device technical field, concretely relates to a loading angle deviation rectifying device. BACKGROUND

[0002] The traditional positioning tool can be provided with the clamping groove adapting to the outer edge contour shape of the material to ensure the positioning attitude of the material, but if the outer edge contour of the material is a rotationally symmetrical structure such as a circular material, the clamping groove cannot ensure the positioning of the circumferential position of the material. Therefore, an angle deviation rectifier needs to be arranged to correct the circumferential position of the material. The existing angle deviation rectifier places the material on a rotary table, detects the angle deviation of the material, and then drives the rotary table to rotate with the material. However, when the mass of the material is light and the contact surface between the material and the rotary table is smooth, the synchronism of the rotation of the material and the rotary table cannot be ensured. SUMMARY

[0003] To overcome the above-mentioned deficiencies of the prior art, the utility model provides a loading angle deviation rectifying device which can ensure the synchronism of the rotation of the transferred material and the rectifying seat.

[0004] To achieve the above-mentioned purpose, the utility model is implemented by the following technical scheme:

[0005] A loading angle deviation rectifying device comprises a rectifier, the rectifier comprises a group of rectifying seats and rotation drivers corresponding to the rectifying seats one by one, the rectifying seat is provided with a rectifying receiving groove adapting to the transferred material, and the rectifying receiving groove is provided with a rectifying suction cup at the bottom, and the rectifying suction cup is used for adsorbing the transferred material placed in the rectifying receiving groove;

[0006] The rotation driver is in transmission connection with the rectifying seat;

[0007] A material rotating and moving device, the rectifier is arranged on the movable assembly of the material rotating and moving device, and the material rotating and moving device is used for transferring the rectifier to switch between the rotating-in position, the detection position and the rotating-out position;

[0008] A rotating-in mechanical hand is arranged corresponding to the rotating-in position, and the rotating-in mechanical hand is used for transferring the transferred material out when the material rotating and moving device transfers the rectifier to the rotating-in position;

[0009] A rectifying visual detection device is arranged corresponding to the detection position, and the material rotating and moving device is used for detecting the circumferential position deviation of the transferred material when the material rotating and moving device transfers the rectifier to the detection position, the rotation driver drives the rectifying seat to rotate to the preset position according to the circumferential position deviation of the transferred material;

[0010] A loading mechanical hand, the loading mechanical hand is used for transferring the transferred material from the rectifier to the positioning tool when the material rotating and moving device transfers the rectifier to the rotating-out position.

[0011] Further, the feeding angle correction device provided in the application, the correction device further comprises a mounting frame connected with the movable assembly of the material rotating and moving device, the rotating driver is mounted on the mounting frame, the mounting frame comprises a horizontal plate, a group of vertical shaft sleeves are mounted on the horizontal plate, the correction seat comprises a seat body and a rotating shaft arranged at the bottom of the seat body, the seat body is arranged at the upper end of the shaft sleeve, the rotating shaft is rotatably arranged in the shaft sleeve, the rotating shaft penetrates through the horizontal plate, the rotating shaft is in transmission connection with the rotating driver, a shunt cavity is arranged in the seat body, the rotating shaft is in the form of a pipe body, the pipe cavity of the rotating shaft is in communication with the shunt cavity, a group of positioning blocks are mounted on the upper end of the seat body, and the positioning blocks are in communication with the shunt cavity. As a preferred scheme of the application, the shaft sleeve is used for limiting the axial and radial positions of the correction seat, and further, the feeding angle correction device provided in the application, the seat body is provided with the positioning blocks, the correction receiving groove is arranged at the upper end of the positioning blocks, the positioning blocks are provided with a circumferentially extending positioning slope surface at the upper end of the opening edge corresponding to the correction receiving groove, and the radial dimension of the positioning slope surface decreases from top to bottom.

[0012] The execution end of the rotating-in mechanical hand is provided with a rotating-in vacuum suction head and a conical table matched with the positioning slope surface, the rotating-in vacuum suction head penetrates through the conical table, and the front end of the rotating-in vacuum suction head extends out of the lower end surface of the conical table. As a preferred scheme of the application, the rotating-in vacuum suction head is used for picking and placing the transferred material, in the process of transferring the transferred material between the rotating-in mechanical hand and the correction device, the execution end of the rotating-in mechanical hand moves to the conical table and is embedded with the positioning slope surface, and then the rotating-in vacuum suction head lowers the transferred material, so as to ensure the stability of the transferred material.

[0013] Further, the feeding angle correction device provided in the application, the correction device and the material rotating and moving device are arranged in pairs, and further comprise a pair of correction detection moving modules, the correction visual detection device is mounted on the moving assembly of the correction detection moving module, and the correction detection moving module is used for driving the correction visual detection device to move to switch between the detection positions corresponding to the pair of correction devices;

[0014] The feeding mechanical hand comprises a feeding moving module and a feeding vacuum suction disc mounted on the moving assembly of the feeding moving module, the feeding vacuum suction disc is used for picking and placing the transferred material, and the feeding moving module is used for driving the feeding vacuum suction disc to move. As a preferred scheme of the application, based on the above device, when one correction device detects and adjusts the circumferential position to the detection position, the other correction device can move to the rotating-out position and the rotating-in position to perform the feeding work and the work of rotating in the transferred material, and the pair of correction devices work alternately, so that the feeding efficiency of the transferred material can be improved on the basis of saving cost.

[0015] Further, the feeding angle correction device in the application further comprises a material conveying device, a moving assembly on the material conveying device is provided with a transfer plate, the transfer plate is provided with a material conveying receiving groove, the material conveying receiving groove is used for receiving the transferred material, and the transferred material is transferred into the transfer plate on the output end of the material conveying device.

[0016] Further, the feeding angle correction device in the application, the material conveying device comprises a material conveying belt, the transfer plate is arranged on the material conveying belt, and a group of transfer plates are arranged along the circumferential extension direction of the belt body of the material conveying belt; the two sides of the material conveying belt are provided with baffle plates, the upper end of the baffle plate is provided with a first supporting rail, and the first supporting rail is used for supporting the two sides of the bottom of the transfer plate in the conveying process. As a preferred scheme of the application, the transfer plate moves to the two ends of the conveying direction of the material conveying belt respectively for feeding and discharging, in this process, the material conveying belt is used for transmitting power to the transfer plate, the first supporting rail is used for ensuring the stability of the movement of the transfer plate, and after the discharging is completed, the idle transfer plate is turned over to the lower side of the material conveying belt and is reversely conveyed to the front end.

[0017] Further, the feeding angle correction device in the application further comprises a pair of second supporting rails located on the two sides of the material conveying belt, the second supporting rail is arranged below the material conveying belt, when the transfer plate is turned over to the lower side of the material conveying belt, the second supporting rail is used for supporting the two sides of the transfer plate to bear the weight of the transfer plate, so as to prevent the transfer plate from falling and damaging the material conveying belt.

[0018] Further, the feeding angle correction device in the application, the baffle plate is provided with a limiting piece, the limiting piece is arranged on the two sides of the material conveying belt in pairs, the spacing of the limiting pieces on the two sides is adapted to the width of the transfer plate; the limiting piece comprises a group of arranged positioning rollers, the positions of the positioning rollers correspond to the positions of the transfer plate waiting for feeding and discharging in the conveying direction of the material conveying device. As a preferred scheme of the application, based on the above device, the transfer plate moves to the positions between the positioning rollers on the two sides in the width direction to ensure the position accuracy of the transfer plate in the width direction during feeding and discharging. The position of the transfer plate in the conveying direction can be detected by a position sensor to realize positioning.

[0019] Further, the feeding angle correction device in the application, the limiting piece comprises a correction baffle, the correction baffle is arranged at the middle section in the conveying direction of the material conveying device, and the correction baffle is used for correcting the lateral deviation of the material conveying belt in the conveying process.

[0020] Further, the feeding angle correction device in the application, the belt body of the material conveying belt is provided with a group of connecting plates, the transfer plate is arranged on the connecting plate, the transfer plate is provided with a long hole extending in the width direction, and the transfer plate and the connecting plate are connected through a bolt penetrating the long hole. As a preferred scheme of the application, in the application, the material conveying belt and the transfer plate are connected through the connecting plate to facilitate the adjustment of the position of the transfer plate in the width direction along the long hole.

[0021] The technical scheme has the beneficial effects that:

[0022] The utility model provides a kind of loading angle deviation rectifying device, material transfer moving device is used to detect the circumferential position deviation of material to be transferred, according to the circumferential position deviation of material to be transferred, rotary driver drives deviation rectifying seat rotation to the circumferential position of material to be transferred is in preset position to realize circumferential deviation rectification.In addition, after material to be transferred enters deviation rectifying storage groove, deviation rectifying chuck welding device placed in the bottom of deviation rectifying storage groove is attracted to material to be transferred to ensure the synchronism of material to be transferred and deviation rectifying seat rotation. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a planar top view of the loading angle deviation rectifying device in the embodiment of the application;

[0024] Figure 2 It is a three-dimensional structure schematic view of the loading angle deviation rectifying device in the embodiment of the application;

[0025] Figure 3 It is a structure schematic view of the execution end of transfer-in mechanical hand in the embodiment of the application;

[0026] Figure 4 It is a structure schematic view of deviation rectifier in the embodiment of the application;

[0027] Figure 5 It is a structure schematic view of deviation rectifying seat in the embodiment of the application;

[0028] Figure 6 It is a structure schematic view of material feeder in the embodiment of the application;

[0029] Figure 7 It is the installation schematic view of transfer plate and connecting plate in the embodiment of the application. DETAILED DESCRIPTION

[0030] Combine Figures 1 to 5As shown, the embodiment provides a feeding angle deviation correcting device, which comprises a deviation corrector 21, the deviation corrector 21 comprising a set of deviation seats 211 and a rotating driver 212 corresponding to each deviation seat 211, the deviation seat 211 being provided with a deviation receiving groove 2110 adapted to the battery cover plate 92, the bottom of the deviation receiving groove 2110 being provided with a deviation suction disc 2114 for adsorbing the battery cover plate 92 placed in the deviation receiving groove 2110; the rotating driver 212 being in transmission connection with the deviation seat 211; a material rotating and moving device 24, the deviation corrector 21 being arranged on the movable assembly of the material rotating and moving device 24, the material rotating and moving device 24 being used for transferring the deviation corrector 21 to switch between the rotating-in position, the detecting position and the rotating-out position; a rotating-in mechanical arm 22 corresponding to the rotating-in position, the material rotating and moving device 24 transferring the deviation corrector 21 to the rotating-in position, the rotating-in mechanical arm 22 being used for transferring the battery cover plate 92 from the material feeding device to the deviation receiving groove 2110; a deviation vision detecting device 25 corresponding to the detecting position, the material rotating and moving device 24 transferring the deviation corrector 21 to the detecting position, the material rotating and moving device 24 being used for detecting the circumferential position deviation of the battery cover plate 92, according to the circumferential position deviation of the battery cover plate 92, the rotating driver 212 driving the deviation seat 211 to rotate to the preset position of the circumferential position of the battery cover plate 92; a feeding mechanical arm 23, the material rotating and moving device 24 transferring the deviation corrector 21 to the rotating-out position, the feeding mechanical arm 23 being used for transferring the battery cover plate 92 from the deviation corrector 21 to the external positioning tool.

[0031] The conventional positioning tool can be provided with a clamping groove adapted to the outer edge contour shape of the material to ensure the positioning attitude of the material, but if the outer edge contour of the material is a rotationally symmetrical structure such as a circular material, the clamping groove cannot ensure the positioning of the circumferential position of the material. Therefore, an angle deviation corrector needs to be arranged to correct the circumferential position of the material, the existing angle deviation corrector places the material on a rotating table, detects the angle deviation of the material, and then the rotating table rotates the material, but when the mass of the material is light and the contact surface between the material and the rotating table is smooth, the synchronism of the rotation of the material and the rotating table cannot be ensured.

[0032] Based on the above device, the battery cover plate 92 is adsorbed by the deviation suction disc welding device 4 placed at the bottom of the deviation receiving groove 2110 after entering the deviation receiving groove 2110, so as to ensure the synchronism of the rotation of the battery cover plate 92 and the deviation seat 211.

[0033] The rectifier 21 further comprises a mounting frame connected with the movable assembly of the transferring device 24, and the rotating driver 212 is mounted on the mounting frame. The mounting frame comprises a horizontal plate 213, and a plurality of vertical shaft sleeves 214 are mounted on the horizontal plate 213. The rectifier seat 211 comprises a seat body 2111 and a rotating shaft 2112 arranged at the bottom of the seat body 2111. The seat body 2111 is arranged at the upper end of the shaft sleeve 214, and the rotating shaft 2112 is rotatably arranged in the shaft sleeve 214. The rotating shaft 2112 penetrates through the horizontal plate 213, and the rotating shaft 2112 is in transmission connection with the rotating driver 212. The seat body 2111 is provided with a shunt cavity, the rotating shaft 2112 is in the form of a pipe body, the pipe cavity of the rotating shaft 2112 is in communication with the shunt cavity, and a plurality of positioning blocks 2113 are mounted on the upper end of the seat body 2111 and in communication with the shunt cavity.

[0034] The shaft sleeve 214 is used for limiting the rectifier seat 211 in the axial and radial directions. In an embodiment, a bearing can be arranged between the shaft sleeve 214 and the rectifier seat 211 to reduce friction during rotation. In the embodiment, the transferring device is used for transferring the battery cover plate 92 to the taking position of the transferring manipulator 22, and the transferring device is the same as the transferring device 7.

[0035] In the embodiment, the seat body 2111 is provided with the positioning blocks 2113, and the rectifier receiving groove 2110 is arranged at the upper end of the positioning blocks 2113. The positioning blocks 2113 are provided with circumferentially extending positioning slopes 21130 at the opening edges corresponding to the upper end of the rectifier receiving groove 2110, and the radial dimension of the positioning slopes 21130 decreases from top to bottom. The execution end of the transferring manipulator 22 is provided with a transferring vacuum suction head 222 and a conical table 221 matched with the positioning slopes 21130. The transferring vacuum suction head 222 penetrates through the conical table 221, and the front end of the transferring vacuum suction head 222 extends out of the lower end surface of the conical table 221.

[0036] The transferring vacuum suction head 222 is used for taking and placing the battery cover plate 92. During the transferring process of the battery cover plate 92 between the transferring manipulator 22 and the rectifier 21, the execution end of the transferring manipulator 22 moves to the conical table 221 and is embedded with the positioning slopes 21130, and then the transferring vacuum suction head 222 places down the battery cover plate 92, so as to ensure the stability of the transferring of the battery cover plate 92.

[0037] In the embodiment, the deviation correctors 21 and the material rotating and moving devices 24 are arranged in pairs, and a pair of deviation detection moving modules 26 are further included. The deviation vision detection devices 25 are installed on the moving assemblies of the deviation detection moving modules 26. The deviation detection moving modules 26 are used to drive the deviation vision detection devices 25 to move to switch between the corresponding detection positions of the pair of deviation correctors 21. The feeding manipulator 23 includes a feeding moving module 231 and a feeding vacuum chuck 232 installed on the moving assembly of the feeding moving module 231. The feeding vacuum chuck 232 is used to take and place the battery cover plate 92. The feeding moving module 231 is used to drive the feeding vacuum chuck 232 to move.

[0038] Based on the above device, when one of the deviation correctors 21 detects and adjusts the circumferential position at the detection position, the other deviation corrector 21 can move to the rotating-out position and the rotating-in position to perform the feeding operation and the operation of rotating in the battery cover plate 92. The pair of deviation correctors 21 alternately work to improve the feeding efficiency of the battery cover plate 92 on the basis of saving cost.

[0039] In the embodiment, the number of deviation seats 211, the number of rotating-in vacuum chucks 222, and the number of feeding vacuum chucks 232 in each deviation corrector 21 are four and one-to-one corresponding. The deviation detection moving modules 26 are linear moving modules. The pair of deviation detection moving modules 26 are arranged in a horizontal arrangement perpendicular to the moving direction. The feeding moving module 231 includes a horizontal moving module and a vertical moving module installed on the moving assembly of the horizontal moving module. The feeding vacuum chuck 232 is installed on the moving assembly of the vertical moving module. The horizontal moving module is used to move the feeding vacuum chuck 232 to switch between the rotating-out position of each deviation corrector 21 and the feeding position above the external tooling. The vertical moving module is used to move the feeding vacuum chuck 232 in the vertical direction to the appropriate height of the battery cover plate 92.

[0040] Further including Figure 6 The material feeding device 7 is shown. The moving assembly of the material feeding device 7 is provided with a transfer plate 71. The transfer plate 71 is provided with a material feeding receiving groove 710 corresponding to each of the discharging nozzles 511. The material feeding receiving groove 710 is used to receive the transferred material. The rotating-in manipulator 22 rotates in the transferred material from the transfer plate 71 in the output end of the material feeding device 7.

[0041] In the embodiment, the feeder 7 comprises a feeder conveyor belt 72, and the transfer plates 71 are arranged on the feeder conveyor belt 72. A group of the transfer plates 71 are arranged along the circumferential extension direction of the belt body of the feeder conveyor belt 72. The feeder conveyor belt 72 is provided with a baffle 74 on both sides. The upper end of the baffle 74 is provided with a first supporting rail 741. The first supporting rail 741 is used to support the bottom sides of the transfer plates 71 during the conveying process. In the process, the feeder conveyor belt 72 is used to transmit power to the transfer plates 71, and the first supporting rail 741 is used to ensure the stability of the movement of the transfer plates 71. After the discharging is completed, the idle transfer plates 71 are flipped to the lower side of the feeder conveyor belt 72 and are reversely conveyed to the front end.

[0042] In the embodiment, a pair of second supporting rails 742 are arranged on both sides of the feeder conveyor belt 72. The second supporting rails 742 are arranged below the feeder conveyor belt 72. When the transfer plates 71 are flipped to the lower side of the feeder conveyor belt 72, the second supporting rails 742 are used to support the sides of the transfer plates 71 to bear the weight of the transfer plates 71, so as to prevent the transfer plates 71 from falling and damaging the feeder conveyor belt 72. Specifically, the second supporting rails 742 are connected to the baffle 74.

[0043] In the embodiment, the baffle 74 is provided with a limiting member. The limiting member is arranged on both sides of the feeder conveyor belt 72. The distance between the limiting members on both sides is adapted to the width of the transfer plates 71. The limiting member comprises a group of arranged positioning rollers 75. The positions of the positioning rollers 75 correspond to the positions of the transfer plates 71 waiting for the feeding and discharging in the conveying direction of the feeder 7. Based on the above device, the transfer plates 71 are moved to the positions between the positioning rollers 75 on both sides in the width direction to ensure the position accuracy of the transfer plates 71 in the width direction during the feeding and discharging. The positioning of the transfer plates 71 in the conveying direction can be detected by a position sensor to realize the positioning.

[0044] In the embodiment, the limiting member comprises a deviation correcting baffle 76. The deviation correcting baffle 76 is arranged at the middle section in the conveying direction of the feeder 7. The deviation correcting baffle 76 is used to correct the lateral deviation of the feeder conveyor belt 72 during the conveying process.

[0045] In combination with Figure 7 As shown in the figure, in the embodiment, a group of connecting plates 73 are mounted on the belt body of the feeder conveyor belt 72. The transfer plates 71 are mounted on the connecting plates 73. The transfer plates 71 are provided with long holes 711 extending in the width direction. The transfer plates 71 and the connecting plates 73 are connected through bolts penetrating the long holes 711. In the embodiment, the feeder conveyor belt 72 and the transfer plates 71 are connected through the connecting plates 73, so as to facilitate the adjustment of the position of the transfer plates 71 in the width direction along the long holes 711.

[0046] The technical principles of the present application are described above in combination with specific embodiments, and these descriptions are only for explaining the principles of the present application, and cannot be interpreted as limiting the protection scope of the present application in any way. Based on the explanations herein, other specific embodiments of the present application can be conceived by those skilled in the art without creative labor, and these embodiments will all fall within the protection scope of the present application.

Claims

1. A feeding angle correction device, characterized in that, include: The correction device (21) includes a set of correction seats (211) and a rotary driver (212) corresponding to each correction seat (211). The correction seat (211) is provided with a correction receiving groove (2110) adapted to the material to be transferred. The bottom of the correction receiving groove (2110) is provided with a correction suction cup (2114). The correction suction cup (2114) is used to adsorb the material to be transferred placed in the correction receiving groove (2110). The rotary drive (212) is connected to the alignment seat (211) in a transmission connection; Material transfer device (24), wherein the guide (21) is disposed on the movable component of the material transfer device (24), the material transfer device (24) is used to transfer the guide (21) to switch between the transfer-in position, the detection position and the transfer-out position; A transfer robot (22) is provided at the corresponding transfer position. The transfer robot (22) is used to transfer the transferred material to the correction and receiving tank (2110). A visual inspection device (25) for correction is provided at the corresponding detection position. A loading robot (23) is used to transfer the material to be transferred from the guide (21).

2. The feeding angle correction device according to claim 1, characterized in that: The alignment device (21) further includes a mounting bracket connected to a movable component of the material transfer device (24). The rotary drive (212) is mounted on the mounting bracket, which includes a horizontal plate (213) on which a set of vertical bushings (214) are mounted. The alignment seat (211) includes a seat body (2111) and a rotating shaft (2112) disposed at the bottom of the seat body (2111). The seat body (2111) is disposed on the bushings (214). At the upper end, the rotating shaft (2112) is rotatably set in the bushing (214). The rotating shaft (2112) passes through the horizontal plate (213). The rotating shaft (2112) is connected to the rotary driver (212) for transmission. The seat (2111) is provided with a flow divider cavity. The rotating shaft (2112) is in the shape of a tube. The tube cavity of the rotating shaft (2112) is connected to the flow divider cavity. A set of positioning blocks (2113) is installed at the upper end of the seat (2111). The positioning blocks (2113) are connected to the flow divider cavity.

3. The feeding angle correction device according to claim 2, characterized in that: A positioning block (2113) is installed on the base (2111), and a correction and storage groove (2110) is set on the upper end of the positioning block (2113). A circumferentially extending positioning slope (21130) is provided on the positioning block (2113) corresponding to the opening edge of the upper end of the correction and storage groove (2110). The radial dimension of the positioning slope (21130) decreases from top to bottom. The actuator of the transfer robot (22) is provided with a transfer vacuum suction head (222) and a conical platform (221) adapted to the positioning slope (21130). The transfer vacuum suction head (222) is inserted through the conical platform (221), and the front end of the transfer vacuum suction head (222) extends out of the lower end face of the conical platform (221).

4. The feeding angle correction device according to claim 3, characterized in that: The correction device (21) and the material transfer moving device (24) are arranged in pairs, and also include a pair of correction detection moving modules (26). The correction vision detection device (25) is installed on the moving component of the correction detection moving module (26). The correction detection moving module (26) is used to drive the correction vision detection device (25) to move to switch between the detection positions corresponding to the pair of correction devices (21). The loading robot (23) includes a loading moving module (231) and a loading vacuum suction cup (232) mounted on the moving component of the loading moving module (231). The loading vacuum suction cup (232) is used to pick up and put in the transferred material, and the loading moving module (231) is used to drive the loading vacuum suction cup (232) to move.

5. The feeding angle correction device according to claim 1, characterized in that: It also includes a feeder (7), on which a transfer plate (71) is provided on a moving component, and a material receiving trough (710) is provided on the transfer plate (71). The material receiving trough (710) is used to receive the transferred material, and the transfer robot (22) transfers the transferred material from the transfer plate (71) in the output end of the feeder (7).

6. The feeding angle correction device according to claim 5, characterized in that: The feeder (7) includes a conveyor belt (72), and the transfer plate (71) is disposed on the conveyor belt (72). A set of transfer plates (71) are arranged along the circumferential extension direction of the conveyor belt (72). The conveyor belt (72) is provided with baffles (74) on both sides. The upper end of the baffle (74) is provided with a first support rail (741). During the conveying process, the first support rail (741) is used to support the bottom sides of the transfer plate (71).

7. The feeding angle correction device according to claim 6, characterized in that: It also includes a pair of second rails (742) located on both sides of the conveyor belt (72). The second rails (742) are located below the conveyor belt (72). When the transfer plate (71) is flipped to the bottom of the conveyor belt (72), the second rails (742) are used to support both sides of the transfer plate (71) to bear the weight of the transfer plate (71).

8. The feeding angle correction device according to claim 7, characterized in that: The baffle (74) is provided with limiting members, which are provided in pairs on both sides of the conveyor belt (72). The spacing between the limiting members on both sides is adapted to the width of the transfer plate (71). The limiting component includes a set of positioning rollers (75) arranged in a row. The position of the positioning rollers (75) corresponds to the position of the transfer plate (71) waiting for loading and unloading in the conveying direction of the feeder (7).

9. A feeding angle correction device according to claim 8, characterized in that: The limiting component includes a correction baffle (76), which is located in the middle section of the conveying direction of the feeder (7).

10. A feeding angle correction device according to claim 6, characterized in that: A set of connecting plates (73) are installed on the conveyor belt (72). The transfer plate (71) is installed on the connecting plate (73). The transfer plate (71) is provided with an elongated hole (711) extending in the width direction. The transfer plate (71) and the connecting plate (73) are connected by bolts passing through the elongated hole (711).

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