Feeding and charging device

Abstract

The utility model relates to a feeding and charging device, comprising a charging unit used for charging a capacitor product; the feeding unit comprises a rack, a first feeding mechanism and a second feeding mechanism, the charging unit is fixedly connected with the rack, the first feeding mechanism and the second feeding mechanism are fixedly arranged in the rack, and each of the first feeding mechanism and the second feeding mechanism comprises a transferring claw used for transferring a product containing assembly. The product containing assembly is used for bearing a capacitor product, and the transferring claw transfers the capacitor product to the charging unit through the transferring product containing assembly and transfers the product containing assembly bearing the charged capacitor product out of the charging unit. The capacitor products are transferred by arranging the corresponding transfer grabs in the first feeding mechanism and the second feeding mechanism, so that the capacitor products are quickly transferred, and the feeding efficiency during charging of the capacitor products is improved.

Description

Technical Field

[0001] The utility model belongs to the field of capacitor feeding and charging, and in particular relates to a feeding and charging device. Background Art

[0002] Chip capacitors usually have the characteristics of high frequency, high energy density, high mass factor, low ESR, etc., and are often used in high-frequency circuits and digital circuits. In the production process of chip tantalum capacitors, in order to ensure the yield rate, chip tantalum capacitors usually need to be tested. In the process of producing chip tantalum capacitors, in order to be able to quickly and efficiently test chip tantalum capacitors, it is usually necessary to pre-charge the chip tantalum capacitors and then test them through the detector. The feeding speed when charging the chip tantalum capacitors will affect the charging efficiency of the chip tantalum capacitors.

[0003] In order to increase the feeding speed when charging the chip tantalum capacitor, and further improve the charging efficiency of the chip tantalum capacitor, the utility model provides a feeding charging device. Summary of the invention

[0004] In order to increase the feeding speed of the chip tantalum capacitor during charging, and thus improve the charging efficiency of the chip tantalum capacitor, the utility model provides a feeding charging device, the specific scheme is as follows:

[0005] A feeding and charging device, comprising:

[0006] A charging unit, wherein the charging unit is used to charge the capacitor product;

[0007] A feeding unit, the feeding unit includes a frame, a first feeding mechanism, and a second feeding mechanism. The charging unit is fixedly connected to the frame. The first feeding mechanism and the second feeding mechanism are fixedly arranged in the frame. The first feeding mechanism and the second feeding mechanism both include a transfer gripper for transferring a product containing assembly. The product containing assembly is used to carry capacitor products. The transfer gripper transfers the capacitor product to the charging unit by transferring the product containing assembly, and transfers the product containing assembly carrying the charged capacitor product out of the charging unit.

[0008] In some embodiments, the charging unit includes a charging plate, a charging head, a positioning pin, a positioning plate, a sliding rod, a shaft sleeve plate, a base plate, and a lifting cylinder. The shaft sleeve plates are respectively arranged on both sides of the frame, and the two ends of the positioning plate are respectively fixedly connected to one end of the sliding rod, and the other end of the sliding rod is respectively slid through the shaft sleeve plate and fixedly connected to the base plate, the fixed end of the lifting cylinder is fixedly connected to the bottom of the frame, and the lifting end of the lifting cylinder is bolted to the base plate, the charging plate and the positioning pin are fixedly arranged on the positioning plate, and the charging head is electrically connected to the charging plate.

[0009] In some embodiments, there are multiple charging plates, which are evenly arranged on the positioning plate, and each charging plate is electrically connected to a charging head corresponding to the capacitor product being charged.

[0010] In some embodiments, there are multiple sliding rods, which are symmetrically arranged on the shaft sleeve plates on both sides of the frame and are slidably connected to the shaft sleeve plates on both sides of the frame respectively.

[0011] In some embodiments, the first feeding mechanism includes a first feeding component and a second feeding component, the first feeding component and the second feeding component are fixedly connected by a connecting rod, and the second feeding mechanism is arranged between the first feeding component and the second feeding component.

[0012] In some embodiments, the first feeding assembly includes a first supporting seat, a first slide rail, a first gripping cylinder, a first transfer gripper, and a second transfer gripper. The first supporting seat is fixedly connected to the frame and is fixedly connected to the second feeding assembly through the connecting rod. The first slide rail is fixedly set on the first supporting seat, the first gripping cylinder is slidably set on the first slide rail, the first transfer gripper and the second transfer gripper are both set on the first gripping cylinder, a servo motor is set on the first supporting seat, a rotating shaft of the servo motor is fixedly connected to a rotating block, a driving shaft is set on the rotating block, and the driving shaft is set in a straight slot on the first gripping cylinder.

[0013] In some embodiments, the second feeding assembly includes a second support seat, a second slide rail, a second gripping cylinder, a third transfer gripper, and a fourth transfer gripper. The second support seat is fixedly connected to the frame, and the two ends of the connecting rod are respectively fixedly connected to the first support seat and the second support seat. The second slide rail is arranged on the second support seat, and the second gripping cylinder is slidably arranged on the second slide rail. The third transfer gripper and the fourth transfer gripper are arranged on the second gripping cylinder.

[0014] In some embodiments, a central guide rail is further disposed between the first support seat and the second support seat, and two end portions of the central guide rail are respectively fixedly disposed on the first support seat and the second support seat.

[0015] In some embodiments, a first proximity switch, a second proximity switch, a third proximity switch, a fourth proximity switch, and a fifth proximity switch are disposed on the central guide rail.

[0016] In some embodiments, the second feeding mechanism includes an electric cylinder, a transfer rack, a third slide rail, a fifth transfer gripper, a third gripping cylinder, a fourth slide rail, a sixth transfer gripper, and a fourth gripping cylinder. The transfer rack is arranged on the electric cylinder and is located between the first support seat and the second support seat. The third slide rail and the fourth slide rail are arranged on the transfer rack. The third gripping cylinder is slidably arranged on the third slide rail. The fourth gripping cylinder is slidably arranged on the fourth slide rail. The fifth transfer gripper is arranged on the third gripping cylinder. The sixth transfer gripper is arranged on the fourth gripping cylinder.

[0017] The beneficial effects of this utility model patent are:

[0018] 1. By setting corresponding transfer grippers in the first feeding mechanism and the second feeding mechanism to transfer the capacitor products, the capacitor products can be quickly transferred, thereby improving the feeding efficiency when the capacitor products are charged.

[0019] 2. By setting up multiple charging plates, each of which is electrically connected to a corresponding charging head, the number of charging heads corresponds to the number of capacitor products, so that each charging head can charge one capacitor product, which can greatly improve the charging efficiency of the capacitor product. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of a feeding and charging device;

[0021] Figure 2 It is the overall structural schematic diagram of the feeding unit;

[0022] Figure 3 A schematic diagram of the positions of the first feeding mechanism and the second feeding mechanism;

[0023] Figure 4 A schematic diagram of the positions of the first feeding mechanism and the second feeding mechanism;

[0024] Figure 5 is a schematic diagram of the overall structure of the first feeding mechanism;

[0025] Figure 6 is a schematic diagram of the overall structure of the first feeding mechanism;

[0026] Figure 7 is a schematic diagram of the overall structure of the second feeding mechanism;

[0027] Figure 8 for Figure 1 A local enlarged schematic diagram of the middle A;

[0028] Fig. 9 for Figure 3 A partial enlarged schematic diagram of point B in the middle;

[0029] Fig.10 for Figure 6 A partial enlarged schematic diagram of point C in the middle;

[0030] Fig.11 for Figure 7 A partial enlarged schematic diagram of point D in the middle.

[0031] In the figure: 10, charging unit; 11, charging plate; 12, charging head; 13, positioning pin; 14, positioning plate; 15, slide bar; 16, shaft sleeve plate; 17, bottom plate; 18, lifting cylinder; 20, feeding unit; 21, frame; 22, first feeding mechanism; 221, first feeding assembly; 2211, first support seat; 2212, first slide rail; 2213, first gripping cylinder; 2214, first transfer grip; 2215, second transfer grip; 222, central guide rail; 223, connecting rod; 224, second feeding assembly; 2241, second support seat; 2242, second slide rail; 2243, second gripping cylinder; 2244, third transfer gripper; 2245, fourth transfer gripper; 225, servo motor; 226, turn block; 227, drive shaft; 23, second feeding mechanism; 231, electric cylinder; 232, transfer rack; 233, third slide rail; 234, fifth transfer gripper; 235, third gripping cylinder; 236, fourth slide rail; 237, sixth transfer gripper; 238, fourth gripping cylinder; 30, product containing assembly; 31, positioning block; 32, product positioning groove; 33, guide wheel; 40, first proximity switch; 41, second proximity switch; 42, third proximity switch; 43, third proximity switch; 44, fifth proximity switch. DETAILED DESCRIPTION

[0032] The present disclosure will now be discussed with reference to several exemplary embodiments. It should be understood that these embodiments are discussed only to enable those skilled in the art to better understand and thus implement the present disclosure, rather than implying any limitation on the scope of the present disclosure.

[0033] As used herein, the term "including" and its variants are to be interpreted as open-ended terms meaning "including but not limited to". The term "based on" is to be interpreted as "based at least in part on". The terms "one embodiment" and "an embodiment" are to be interpreted as "at least one embodiment". The term "another embodiment" is to be interpreted as "at least one other embodiment". The orientation or position relationship indicated by the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "vertical", "horizontal", "lateral", "longitudinal" and the like is based on the orientation or position relationship shown in the accompanying drawings. These terms are mainly for better describing the present application and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation. In addition, in addition to being used to indicate an orientation or position relationship, some of the above terms may also be used to indicate other meanings, such as the term "upper" may also be used to indicate a certain dependency or connection relationship in some cases. For those of ordinary skill in the art, the specific meanings of these terms in this application can be understood according to the specific circumstances. In addition, the terms "install", "set", "provided with", "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection, or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be an internal connection between two devices, elements or components. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to the specific circumstances. In addition, the terms "first", "second", etc. are mainly used to distinguish different devices, elements or components (the specific types and structures may be the same or different), and are not used to indicate or imply the relative importance and quantity of the indicated devices, elements or components. Unless otherwise specified, "plurality" means two or more.

[0034] This embodiment discloses a feeding and charging device, such as Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, including:

[0035] A charging unit 10, wherein the charging unit 10 is used to charge the capacitor product;

[0036] The feeding unit 20 includes a frame 21, a first feeding mechanism 22, and a second feeding mechanism 23. The charging unit 10 is fixedly connected to the frame 21. The first feeding mechanism 22 and the second feeding mechanism 23 are fixedly arranged in the frame 21. The first feeding mechanism 22 and the second feeding mechanism 23 both include a transfer gripper for transferring a product containing assembly 30. The product containing assembly is used to carry capacitor products. The transfer gripper transfers the capacitor product to the charging unit 10 by transferring the product containing assembly 30, and transfers the product containing assembly 30 carrying the charged capacitor product out of the charging unit 10. By arranging corresponding transfer grippers in the first feeding mechanism 22 and the second feeding mechanism 23 to transfer the capacitor product, the capacitor product can be quickly transferred, thereby improving the feeding efficiency when the capacitor product is charged.

[0037] In some embodiments, Figure 1 , Figure 8 As shown, the charging unit 10 includes a charging plate 11, a charging head 12, a positioning pin 13, a positioning plate 14, a slide bar 15, a shaft sleeve plate 16, a bottom plate 17, and a lifting cylinder 18. The shaft sleeve plates 16 are respectively arranged on both sides of the frame 21, and the two ends of the positioning plate 14 are respectively fixedly connected to one end of the slide bar 15, and the other end of the slide bar 15 is respectively slid through the shaft sleeve plate 16 and fixedly connected to the bottom plate 17. The fixed end of the lifting cylinder 18 is fixedly connected to the bottom of the frame 21. The lifting cylinder 18 can be fixedly connected to the bottom plate 17 of the frame 21 (not shown in the figure) by bolts. The lifting end of the lifting cylinder 18 is bolted to the bottom plate 17, the charging plate 11 and the positioning pin 13 are fixedly arranged on the positioning plate 14, and the charging head 12 is electrically connected to the charging plate 11. In this embodiment, the charging plate 11 and the lifting cylinder 18 are electrically connected to the external control. The controller controls the operation of the lifting cylinder 18 to realize the up and down movement of the slide bar 15, and charges the capacitor product 30 by controlling the charging plate 11.

[0038] In some embodiments, there are multiple charging plates 11, which are evenly arranged on the positioning plate 14, and each charging plate 11 is electrically connected to a charging head 12 corresponding to the capacitor product being charged. Figure 1 As shown, there are 6 charging plates 11 in this embodiment. In addition, the number of the charging plates 11 can be set according to actual needs. By setting multiple charging plates 11, each of the multiple charging plates 11 is electrically connected to a corresponding charging head 12, and the number of the charging heads 12 corresponds to the number of capacitor products, so that each charging head 12 can charge one capacitor product, which can greatly improve the charging efficiency of the capacitor product.

[0039] In some embodiments, there are multiple slide bars 15, which are symmetrically arranged on the shaft sleeve plates 16 on both sides of the frame 21 and are slidably connected to the shaft sleeve plates 16 on both sides of the frame 21. Figure 1 As shown, in this embodiment, there are four slide bars 15 symmetrically arranged on the shaft sleeve plates 16 on both sides of the frame 21.

[0040] In some embodiments, Figure 2 , Figure 3 , Figure 4 , Figure 5 As shown, the first feeding mechanism 22 includes a first feeding component 221 and a second feeding component 224 , the first feeding component 221 and the second feeding component 224 are fixedly connected by a connecting rod 223 , and the second feeding mechanism 23 is arranged between the first feeding component 221 and the second feeding component 224 .

[0041] In some embodiments, Figure 5 , Figure 6 , Fig.10 As shown, the first feeding assembly 221 includes a first supporting seat 2211, a first slide rail 2212, a first gripping cylinder 2213, a first transfer grip 2214, and a second transfer grip 2215. The first supporting seat 2211 is fixedly connected to the frame 21, and is fixedly connected to the second feeding assembly 224 through the connecting rod 223. The first slide rail 2212 is fixedly set on the first supporting seat 2211. The first gripping cylinder 2213 is slidably set on the first slide rail 2212. The first transfer grip 2214 and the second transfer grip 2215 are both set on the first gripping cylinder 2213. A servo motor 225 is set on the first supporting seat 2211. The rotating shaft of the servo motor 225 is fixedly connected to a rotating block 226. The rotating block 226 is provided with a driving shaft 227. The driving shaft 227 is set in a straight slot on the first gripping cylinder 2213. The servo motor 225 is electrically connected to an external controller, and the first gripping cylinder 2213 is pneumatically connected to the external controller.

[0042] In some embodiments, Figure 5 , Figure 6The second feeding assembly 224 includes a second support seat 2241, a second slide rail 2242, a second gripping cylinder 2243, a third transfer grip 2244, and a fourth transfer grip 2245. The second support seat 2241 is fixedly connected to the frame 21, and the two ends of the connecting rod 223 are respectively fixedly connected to the first support seat 2211 and the second support seat 2241. The second slide rail 2242 is arranged on the second support seat 2241, and the second gripping cylinder 2243 is slidably arranged on the second slide rail 2242. The third transfer grip 2244 and the fourth transfer grip 2245 are arranged on the second gripping cylinder 2243. In this embodiment, the second gripping cylinder 2243 is pneumatically connected to an external controller.

[0043] In some embodiments, Figure 2 , Figure 6 As shown, a central guide rail 222 is further disposed between the first support seat 2211 and the second support seat 2241 , and two ends of the central guide rail 222 are fixedly disposed on the first support seat 2211 and the second support seat 2241 , respectively.

[0044] In some embodiments, Figure 6 As shown, a first proximity switch 40 , a second proximity switch 41 , a third proximity switch 42 , a fourth proximity switch 43 , and a fifth proximity switch 44 are disposed on the central guide rail 222 , and each proximity switch is electrically connected to an external controller, respectively.

[0045] In some embodiments, Figure 4 , Figure 7 , Fig.11 As shown, the second feeding mechanism 23 includes an electric cylinder 231, a transfer rack 232, a third slide rail 233, a fifth transfer gripper 234, a third gripping cylinder 235, a fourth slide rail 236, a sixth transfer gripper 237, and a fourth gripping cylinder 238. The transfer rack 232 is arranged on the electric cylinder 231 and is located between the first support seat 2211 and the second support seat 2241. The third slide rail 233 and the fourth slide rail 236 are arranged on the transfer rack 232. The third gripping cylinder 235 is slidably arranged on the third slide rail 233. The fourth gripping cylinder 238 is slidably arranged on the fourth slide rail 236. The fifth transfer gripper 234 is arranged on the third gripping cylinder 235. The sixth transfer gripper 237 is arranged on the fourth gripping cylinder 238. In this embodiment, the electric cylinder 231 is electrically connected to an external controller, and the third gripping cylinder 235 and the fourth gripping cylinder 238 are pneumatically connected to the external controller, respectively.

[0046] In the above embodiments, Figure 1 , Figure 3 , Figure 8 , Fig. 9 As shown, each transfer gripper is used to transfer the product containing assembly 30, the capacitor product is arranged in the product containing assembly 30, the product containing assembly 30 includes a positioning block 31, a product positioning groove 32, and a guide wheel 33, the product positioning groove 32 is arranged at the upper part of the positioning block 31, the guide wheel 33 is arranged at the lower part of the positioning block 31, the guide wheel 33 in the middle of the positioning block 31 can slide in the slide groove on the central guide rail 222, the capacitor product (not shown in the figure) is arranged in the product positioning groove 32, and the capacitor product can be a chip tantalum capacitor, and each transfer gripper realizes the transfer of the capacitor product by grasping the guide wheel 33. The transfer gripper includes the first transfer gripper 2214, the second transfer gripper 2215, the third transfer gripper 2244, the fourth transfer gripper 2245, the fifth transfer gripper 234, and the sixth transfer gripper 237. The first transfer gripper 2214, the second transfer gripper 2215, the third transfer gripper 2244, and the fourth transfer gripper 2245 are the same transfer grippers, the fifth transfer gripper 234 and the sixth transfer gripper 237 are the same transfer grippers, and the number of guide wheels 33 that can be grasped by the fifth transfer gripper 234 and the sixth transfer gripper 237 is twice the number of guide wheels 33 that can be grasped by the first transfer gripper 2214, the second transfer gripper 2215, the third transfer gripper 2244, and the fourth transfer gripper 2245.

[0047] The working principle of the utility model is:

[0048] When the capacitor product is transferred from the previous mechanism to the first proximity switch 40, the first proximity switch 40 uploads the detected signal to the controller, and the controller drives the servo motor 225 to rotate. The servo motor 225 rotates the rotating block 226 and the driving shaft 227, and the driving shaft 227 pushes the first support seat 2211 and the second support seat 2241 to move toward the capacitor product by a corresponding distance. The controller then controls the second clamping cylinder 2243 to make the fourth transfer grip 2245 and the third transfer grip 2244 expand relative to each other and engage with the guide wheel 33 on the product holding assembly 30. Then the controller controls the servo motor 225 again to drive the rotating block 226 and the driving shaft 227 to rotate. The driving shaft 227 pushes the first support seat 2211 and the second support seat 2241 to move, so that the second support seat 2241 moves toward the second proximity switch 41, and the product holding assembly 30 slides on the central guide rail 222. When the second proximity switch 41 detects the third transfer gripper 2244, the detected signal is uploaded to the controller, which then controls the second gripping cylinder 2243 to make the fourth transfer gripper 2245 and the third transfer gripper 2244 move relatively close to each other and separate from the guide wheel 33 on the product holding assembly 30. The controller controls the servo motor 225 and the second gripping cylinder 2243 to work in a cycle according to the above steps so that the fourth transfer gripper 2245 and the third transfer gripper 2244 transfer a specific number of capacitor products 30. The controller then controls the electric cylinder 231 to push the transfer rack 232 toward the first proximity switch 40. When the first proximity switch 40 detects the fifth transfer gripper 234, the electric cylinder 231 stops pushing the transfer rack 232, and the controller controls the third gripping cylinder 235 and the fourth gripping cylinder 238 to make the fifth transfer gripper 234 and the sixth transfer gripper 237 move in relative expansion and engage with the guide wheel 33 on the product containing component 30. The controller then controls the electric cylinder 231 to push the transfer rack 232 toward the third proximity switch 42 and the fourth proximity switch 43. When the third proximity switch 42 and the fourth proximity switch 43 detect the product containing component 30, the controller controls the electric cylinder 231 to stop pushing the transfer rack 232. The controller then controls the third gripping cylinder 235 and the fourth gripping cylinder 238 to make the fifth transfer gripper 234 and the sixth transfer gripper 237 move in relative proximity and separate from the guide wheel 33 on the product containing component 30. The controller controls the lifting cylinder 18 to move the charging plate 11 downward a corresponding distance, so that the charging head 12 contacts the capacitor product and charges the capacitor product. After charging is completed, the controller controls the lifting cylinder 18 to move the charging plate 11 upward to a specific position, and the charging head 12 is separated from the capacitor product.The controller then controls the electric cylinder 231 to push the transfer rack 232 toward the first proximity switch 40. When the first proximity switch 40 detects the fifth transfer grip 234, the electric cylinder 231 stops pushing the transfer rack 232 to move, and the controller controls the third gripping cylinder 235 and the fourth gripping cylinder 238 to make the fifth transfer grip 234 and the sixth transfer grip 237 expand relative to each other and engage with the guide wheel 33 on the product receiving assembly 30. Then, the electric cylinder 231 is controlled to push the transfer rack 232 toward the fifth proximity switch 44. The fifth proximity switch 44 detects the number of product containing components 30 including the charged capacitor products and uploads it to the controller for statistics. When the number of product containing components 30 including the charged capacitor products reaches the preset value, the controller controls the electric cylinder 231 to stop pushing the transfer rack 232 to move. Then the controller controls the third gripping cylinder 235 and the fourth gripping cylinder 238 to make the fifth transfer grip 234 and the sixth transfer grip 237 move relatively close to each other and separate from the guide wheel 33 on the product containing component 30, and so on. After a specific number of product containing components 30 are transferred to the fifth proximity switch 44, the controller controls the first gripping cylinder 2213 to make the first transfer grip 2214 and the second transfer grip 2215 run synchronously with the third transfer grip 2244 and the fourth transfer grip 2245, and move the capacitor products 30 out of the device by engaging or separating with the guide wheel 33 on the product containing component 30.

[0049] Those skilled in the art will appreciate that the above-mentioned embodiments are specific examples for implementing the present disclosure, and in actual applications, various changes may be made thereto in form and detail without departing from the spirit and scope of the present disclosure.

Claims

1. A feeding charging device, characterized in that: include: A charging unit, wherein the charging unit is used to charge the capacitor product; A feeding unit, the feeding unit includes a frame, a first feeding mechanism, and a second feeding mechanism. The charging unit is fixedly connected to the frame. The first feeding mechanism and the second feeding mechanism are fixedly arranged in the frame. The first feeding mechanism and the second feeding mechanism both include a transfer gripper for transferring a product containing assembly. The product containing assembly is used to carry capacitor products. The transfer gripper transfers the capacitor product to the charging unit by transferring the product containing assembly, and transfers the product containing assembly carrying the charged capacitor product out of the charging unit.

2. A feeding charging device according to claim 1, characterized in that: The charging unit includes a charging plate, a charging head, a positioning pin, a positioning plate, a sliding rod, a shaft sleeve plate, a base plate, and a lifting cylinder. The shaft sleeve plates are respectively arranged on both sides of the frame, and the two ends of the positioning plate are respectively fixedly connected to one end of the sliding rod, and the other end of the sliding rod is respectively slid through the shaft sleeve plate and fixedly connected to the base plate, the fixed end of the lifting cylinder is fixedly connected to the bottom of the frame, and the lifting end of the lifting cylinder is bolted to the base plate, the charging plate and the positioning pin are fixedly arranged on the positioning plate, and the charging head is electrically connected to the charging plate.

3. A feeding charging device according to claim 2, characterized in that: There are multiple charging plates, which are evenly arranged on the positioning plate, and each charging plate is electrically connected to a charging head corresponding to the capacitor product being charged.

4. A feeding charging device according to claim 3, characterized in that: There are multiple slide bars, which are symmetrically arranged on the shaft sleeve plates on both sides of the frame and are respectively slidably connected with the shaft sleeve plates on both sides of the frame.

5. A feeding and charging device according to any one of claims 1 to 4, characterized in that: The first feeding mechanism includes a first feeding assembly and a second feeding assembly. The first feeding assembly and the second feeding assembly are fixedly connected via a connecting rod, and the second feeding mechanism is arranged between the first feeding assembly and the second feeding assembly.

6. A feeding charging device according to claim 5, characterized in that: The first feeding assembly includes a first supporting seat, a first sliding rail, a first gripping cylinder, a first transfer gripper, and a second transfer gripper. The first supporting seat is fixedly connected to the frame and is fixedly connected to the second feeding assembly via the connecting rod. The first sliding rail is fixedly arranged on the first supporting seat. The first gripping cylinder is slidably arranged on the first sliding rail. The first transfer gripper and the second transfer gripper are both arranged on the first gripping cylinder. A servo motor is arranged on the first supporting seat. A rotating block is fixedly connected to the rotating shaft of the servo motor. A driving shaft is arranged on the rotating block. The driving shaft is arranged in a straight slot on the first gripping cylinder.

7. A feeding and charging device according to claim 6, characterized in that: The second feeding assembly includes a second support seat, a second slide rail, a second gripping cylinder, a third transfer gripper, and a fourth transfer gripper. The second support seat is fixedly connected to the frame, and the two ends of the connecting rod are respectively fixedly connected to the first support seat and the second support seat. The second slide rail is arranged on the second support seat, and the second gripping cylinder is slidably arranged on the second slide rail. The third transfer gripper and the fourth transfer gripper are arranged on the second gripping cylinder.

8. A feeding charging device according to claim 7, characterized in that: A central guide rail is further arranged between the first support seat and the second support seat, and two end portions of the central guide rail are respectively fixedly arranged on the first support seat and the second support seat.

9. A feeding charging device according to claim 8, characterized in that: The central guide rail is provided with a first proximity switch, a second proximity switch, a third proximity switch, a fourth proximity switch and a fifth proximity switch.

10. A feeding and charging device according to claim 9, characterized in that: The second feeding mechanism includes an electric cylinder, a transfer rack, a third slide rail, a fifth transfer gripper, a third gripping cylinder, a fourth slide rail, a sixth transfer gripper, and a fourth gripping cylinder. The transfer rack is arranged on the electric cylinder and is located between the first support seat and the second support seat. The third slide rail and the fourth slide rail are arranged on the transfer rack. The third gripping cylinder is slidably arranged on the third slide rail. The fourth gripping cylinder is slidably arranged on the fourth slide rail. The fifth transfer gripper is arranged on the third gripping cylinder. The sixth transfer gripper is arranged on the fourth gripping cylinder.

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