A blanking mechanism

Abstract

The application discloses a discharging mechanism and belongs to the field of medicine packaging equipment. The discharging mechanism comprises a main plate, a discharging bin, a gear mechanism, a cam connecting rod mechanism and a driving motor. The discharging bin comprises an upper layer bin and a lower layer bin arranged in sequence from top to bottom. A hopper is arranged above the upper layer bin. An upper layer cam connecting rod mechanism and a lower layer cam connecting rod mechanism are further arranged on the main plate. The upper layer cam connecting rod mechanism and the lower layer cam connecting rod mechanism are respectively drivingly connected with the upper layer bin and the lower layer bin. The upper layer cam connecting rod mechanism and the lower layer cam connecting rod mechanism are drivingly connected through the gear mechanism. The cam connecting rod mechanism is connected with the driving mechanism. The application can efficiently discharge various specifications of materials, and orderly discharge a small amount or a large amount of materials. The double mechanisms can simultaneously discharge different specifications of materials. The components cooperatively put the materials into a cartoning machine conveying belt according to accurate quantities and sequences. The application realizes seamless connection with front-end and rear-end equipment, reduces waiting and transfer, significantly improves the efficiency of a production line and creates higher economic benefits.

Description

Technical Field

[0001] This invention relates to the field of pharmaceutical packaging equipment, and more particularly to a feeding mechanism. Background Technology

[0002] With the continuous changes in pharmaceutical companies' drug packaging methods and the diversification of packaging forms, traditional packaging equipment is increasingly unable to meet the packaging needs of pharmaceutical companies. The material feeding problem in packaging equipment requires more and more innovative feeding designs to meet the packaging needs of pharmaceutical companies. Due to the diversification of pharmaceutical packaging forms, the difficulty of feeding is also constantly increasing. When a cardboard box contains irregularly shaped materials or materials of different specifications, ordinary feeding mechanisms are unable to complete the feeding process, reducing the efficiency of the equipment and thus affecting the company's production efficiency. Summary of the Invention

[0003] The purpose of this invention is to provide a feeding mechanism that solves the problems of unstable feeding, low efficiency, and poor versatility of existing feeding mechanisms when dealing with irregularly shaped or multi-specification materials.

[0004] To solve the above-mentioned technical problems, the present invention adopts the following technical solution: This invention relates to a feeding mechanism, comprising a main board with a feeding bin, the feeding bin including an upper bin and a lower bin arranged sequentially from top to bottom, and a hopper above the upper bin; the main board also includes an upper cam linkage mechanism and a lower cam linkage mechanism, which are respectively driven to the upper and lower bins to drive the corresponding bins to perform feeding actions; the upper and lower cam linkage mechanisms are connected via a gear mechanism for synchronous movement; and either the upper or lower cam linkage mechanism is connected to a drive mechanism.

[0005] Furthermore, the upper hopper and the lower hopper share a common left-side baffle. The upper hopper also includes an upper swing rod disposed on the right side of the left baffle, the upper swing rod being rotatably mounted on the main board, and an upper swing plate being disposed on the upper swing rod; The lower hopper also includes a lower swing rod disposed on the right side of the left baffle. The lower swing rod is rotatably mounted on the main board, and a lower swing plate is disposed on the lower swing rod.

[0006] Furthermore, the main board is provided with two adjusting rod seats, and an adjusting rod is provided between the two adjusting rod seats. A first stop and a second stop are detachably provided on the adjusting rod. The left baffle is provided on the first stop and the hopper is provided on the second stop.

[0007] Furthermore, the upper cam linkage mechanism includes a first swing seat mounted on the main board, an upper swing rod rotatably mounted on the first swing seat, a first swing arm mounted at the rear end of the upper swing rod, and a first connecting rod connected to the other end of the first swing arm via a first joint bearing. A first material control arm shaft is mounted on the main board, and a first material control swing arm is mounted on the first material control arm shaft. The other end of the first connecting rod is connected to one end of the first material control swing arm via a second joint bearing, and a first cam bearing is mounted on the other end of the first material control swing arm. A first rotating feeding shaft is mounted on the main board, and a first material control cam is mounted on the first rotating feeding shaft. The first material control cam contacts the first cam bearing.

[0008] Furthermore, the lower cam linkage mechanism includes a second swing seat mounted on the main board, a lower swing rod rotatably mounted on the second swing seat, a second swing arm mounted at the rear end of the lower swing rod, and a second connecting rod connected to the other end of the second swing arm via a third joint bearing. A second material control arm shaft is mounted on the main board, and a second material control swing arm is mounted on the second material control arm shaft. The other end of the second connecting rod is connected to one end of the second material control swing arm via a fourth joint bearing, and a second cam bearing is mounted on the other end of the second material control swing arm. A second rotating feeding shaft is mounted on the main board, and a second material control cam is mounted on the second rotating feeding shaft. The second material control cam contacts the second cam bearing.

[0009] Furthermore, the gear mechanism includes a first transmission cylindrical gear and a second transmission cylindrical gear that mesh with each other. The first transmission cylindrical gear is mounted on the first rotating unloading shaft, and the second transmission cylindrical gear is mounted on the second rotating unloading shaft.

[0010] Furthermore, the drive mechanism includes a servo motor, and the output end of the servo motor is equipped with a reducer. The output shaft of the reducer is connected to the first rotating feed shaft or the second rotating feed shaft via a coupling.

[0011] Furthermore, the motherboard is connected to a reducer base via several reducer base pads, and the reducer is mounted on the reducer base.

[0012] Furthermore, a mounting bracket is provided at the lower part of the motherboard.

[0013] Compared with the prior art, the beneficial technical effects of the present invention are as follows: The feeding mechanism described in this invention can efficiently feed materials of various specifications; whether it is a small amount of material or a large quantity of material, the device can feed them in an orderly manner; when using a dual feeding mechanism, materials of different specifications can be fed at the same time; during the feeding process, each component works together to place the materials on the cartoning machine conveyor belt in an accurate quantity and order.

[0014] The feeding mechanism described in this invention can achieve effective connection with front-end equipment and efficient production line connection with back-end cartoning equipment; from the material packaging, conveying, and sorting of front-end products to the final cartoning, the entire process is seamlessly connected; this is achieved through optimized design and precise control of equipment in each link, and the front-end and back-end equipment can be perfectly matched in production rhythm, ensuring that products can be quickly and smoothly transferred and packaged on the production line.

[0015] The feeding mechanism described in this invention can reduce the waiting time and transfer links of products between different devices, reduce the time waiting in the production process, thereby significantly improving the production efficiency of the entire packaging production line, increasing production efficiency, and creating higher economic benefits for enterprises. Attached Figure Description

[0016] The present invention will be further described below with reference to the accompanying drawings.

[0017] Figure 1 This is a three-dimensional structural diagram of the feeding mechanism of the present invention from a first angle; Figure 2 This is a three-dimensional structural diagram of the feeding mechanism of the present invention from a second angle; Figure 3 This is a three-dimensional structural diagram of the feeding mechanism of the present invention from a third angle; Figure 4 This is a three-dimensional structural diagram of the feeding mechanism of the present invention from the fourth angle; Figure 5 This is a front view of the feeding mechanism of the present invention; Figure 6 This is a left view of the feeding mechanism of the present invention; Figure 7 This is a rear view of the feeding mechanism of the present invention; Figure 8 This is a schematic diagram of the first stop lever of the present invention in its installation state; Figure 9 This is a schematic diagram of the structure of the first stop lever of the present invention; Figure 10 This is the main view when using a double feeding mechanism.

[0018] Explanation of reference numerals in the attached diagram: 1. Main board; 2. Fixed base; 3. Adjusting rod seat; 4. Adjusting rod; 5. First stop lever; 6. Left side baffle; 7. Second stop lever; 8. Hopper; 9. Upper swing rod; 10. Upper swing plate; 11. Lower swing rod; 12. Lower swing plate; 13. First swing seat; 14. First swing plate arm; 15. First joint bearing; 16. First connecting rod; 17. Second joint bearing; 18. First material control arm shaft; 19. First material control swing arm; 20. First cam bearing; 21. First rotating unloading shaft; 22. 1. First material control cam; 23. First transmission cylindrical gear; 24. Second swing seat; 25. Second swing plate arm; 26. Third joint bearing; 27. Second connecting rod; 28. Fourth joint bearing; 29. ​​Second material control arm shaft; 30. Second material control swing arm; 31. Second cam bearing; 32. Second rotating unloading shaft; 33. Second material control cam; 34. Second transmission cylindrical gear; 35. Reducer base; 36. Reducer base pad; 37. Servo motor; 38. Reducer; 39. Coupling; 40. Material; 501. Body; 502. Slot; 503. Fixing part; 504. First fixing hole; 505. Second fixing hole. Detailed Implementation

[0019] like Figure 1-9 As shown, a feeding mechanism includes a main board 1. A feeding bin is located on the front side of the main board 1, comprising an upper bin and a lower bin arranged sequentially from top to bottom. A hopper 8 is located above the upper bin. An upper cam linkage mechanism and a lower cam linkage mechanism are located on the rear side of the main board 1. These mechanisms are driven and connected to the upper and lower bins respectively, driving the corresponding bins to perform feeding actions. The upper and lower cam linkage mechanisms are connected via a gear mechanism for synchronous movement. Either the upper or lower cam linkage mechanism is connected to a drive mechanism. Specifically, in this embodiment, the lower cam linkage mechanism is directly connected to the drive mechanism.

[0020] The upper silo and the lower silo share a common left side baffle 6 on their left sides; The upper hopper also includes an upper swing rod 9 disposed on the right side of the left baffle 6. The upper swing rod 9 is rotatably disposed on the main board 1, and an upper swing plate 10 is disposed on the upper swing rod 9. The lower hopper also includes a lower swing rod 11 disposed on the right side of the left baffle 6. The lower swing rod 11 is rotatably disposed on the main board 1, and a lower swing plate 12 is disposed on the lower swing rod 11.

[0021] The upper cam linkage mechanism drives the upper swing plate 10 to swing through a series of actions; the material 40 is fed into the hopper 8 by the front conveyor belt. When the upper swing plate 10 swings clockwise and closes with the left baffle 6, the upper hopper is formed to receive the material 40 fed in by the front conveyor belt; when the material 40 reaches the set quantity, the upper swing plate 10 swings counterclockwise to put the material 40 into the lower hopper; then the upper swing plate 10 swings clockwise and closes with the left baffle 5 to reform the upper hopper and continue to receive the material 40.

[0022] The lower cam linkage mechanism drives the lower swing plate 12 to swing through a series of actions. When the lower swing plate 12 swings clockwise and closes with the left baffle 6, it forms the lower hopper to receive the material 40 put in from the upper hopper. When the cartoning machine conveyor belt reaches the predetermined position, the lower swing plate 12 swings counterclockwise to put the material 40 onto the cartoning machine conveyor belt and send it to the next process. Then the lower swing plate 12 swings clockwise and closes with the left baffle 6 to re-form the lower hopper and start a new round of material receiving.

[0023] One complete cycle consists of the upper swing plate 10 of the upper hopper opening / closing once and the lower swing plate 12 of the lower hopper opening / closing once, completing the feeding process. The above actions are repeated continuously, feeding the material 40 onto the cartoning machine conveyor belt, ensuring the smooth packaging production of the cartoning machine.

[0024] Two adjusting rod seats 3 are connected to the rear side of the main board 1 near the top. An adjusting rod 4 is installed between the two adjusting rod seats 3. A first stop 5 and a second stop 7 are detachably provided on the adjusting rod 4. The left baffle 6 is bolted to the first stop 5, and the hopper 8 is bolted to the second stop 7.

[0025] The upper cam linkage mechanism includes a first swing seat 13 mounted on the rear side of the main board 1. An upper swing rod 9 is rotatably mounted on the first swing seat 13 via a bearing. The rear end of the upper swing rod 9 is connected to a first swing arm 14. The other end of the first swing arm 14 is connected to a first connecting rod 16 via a first joint bearing 15. A first material control arm shaft 18 is mounted on the rear side of the main board 1. A first material control swing arm 19 is rotatably mounted on the first material control arm shaft 18 via a bearing. The other end of the first connecting rod 16 is connected to one end of the first material control swing arm 19 via a second joint bearing 17. A first cam bearing 20 is mounted on the other end of the first material control swing arm 19. A first rotating feed shaft 21 is rotatably mounted on the main board 1 via a bearing. The front end of the first rotating feed shaft 21 extends to the front side of the main board 1. A first material control cam 22 is mounted on the first rotating feed shaft 21. The first material control cam 22 is in contact with the first cam bearing 20.

[0026] The lower cam linkage mechanism includes a second swing seat 24 mounted on the rear side of the main board 1. A lower swing rod 11 is rotatably mounted on the second swing seat 24 via a bearing. The rear end of the lower swing rod 11 is connected to a second swing arm 25. The other end of the second swing arm 25 is connected to a second connecting rod 27 via a third joint bearing 26. A second material control arm shaft 29 is mounted on the rear side of the main board 1. A second material control swing arm 30 is rotatably mounted on the second material control arm shaft 29 via a bearing. The other end of the second connecting rod 27 is connected to one end of the second material control swing arm 30 via a fourth joint bearing 28. A second cam bearing 31 is mounted on the other end of the second material control swing arm 30. A second rotating feed shaft 32 is rotatably mounted on the main board 1 via a bearing. The front end of the second rotating feed shaft 32 extends to the front side of the main board 1. A second material control cam 33 is mounted on the second rotating feed shaft 32. The second material control cam 33 is in contact with the second cam bearing 31.

[0027] The gear mechanism includes a first transmission cylindrical gear 23 and a second transmission cylindrical gear 34 that mesh with each other. The first transmission cylindrical gear 23 is installed at the front end of the first rotating feed shaft 21, and the second transmission cylindrical gear 34 is installed at the front end of the second rotating feed shaft 32.

[0028] The drive mechanism includes a servo motor 37, and a reducer 38 is mounted on the output end of the servo motor 37. A reducer base 35 is connected to the main board 1 via several reducer base columns 36, and the reducer 38 is mounted on the reducer base 35. The output shaft of the reducer 38 is connected to the first rotating feeding shaft 21 or the second rotating feeding shaft 32 via a coupling 39. In this embodiment, the output shaft of the reducer 38 is connected to the second rotating feeding shaft 32 via the coupling 39. The servo motor 37 operates with precise control and runs synchronously with the cartoning machine conveyor belt to ensure smooth feeding. In another embodiment, depending on the equipment space structure, the output shaft of the reducer 38 can also be connected to the first rotating feeding shaft 21 via the coupling 39.

[0029] The front lower part of the main board 1 is connected to two fixed seats 2. The feeding mechanism of the present invention is fixed on the packaging machine conveyor belt and runs synchronously with the equipment. It efficiently and stably places the materials produced by the previous equipment onto the cartoning machine conveyor belt in a set quantity, ensuring the smooth production of the equipment.

[0030] Using a dual-feeding mechanism allows materials of different specifications to be fed simultaneously, meeting production needs. For example... Figure 10The image shown is the front view when using a dual-feeding mechanism. When using a dual-feeding mechanism, two sets of feeding mechanisms are mounted side-by-side on the packaging machine's conveyor belts, spaced at a set interval. They respectively receive materials conveyed from the two front conveyor belts, simultaneously completing the feeding action of two different specifications of materials to meet feeding requirements.

[0031] The first gear lever 5 and the second gear lever 7 have the same structure. Taking the first gear lever 5 as an example, its specific structure will be described below. Figure 8-9 As shown, the first stop lever 5 includes a body 501, on which a slot 501 matching the main board 1 is provided. The rear end of the body 501 is bent upward to form a fixing part 503. A first fixing hole 504 matching the adjusting rod 4 is provided between the body 501 and the fixing part 503. A second fixing hole 505 is provided on the fixing part 503.

[0032] The top of the left baffle 6 and the hopper 8 are both connected to outward-sloping guards to facilitate the entry of material 40 into the hopper 8.

[0033] When changing material specifications, simply replace the positions of components such as hopper 7, adjusting lever 6, and lever 8; the operation is convenient.

[0034] In addition, the entire feeding device is equipped with a protective cover to prevent personnel from touching moving parts, thus ensuring production safety.

[0035] The working process of this invention is as follows: First, based on the specifications of material 40 and the pace of the cartoning machine conveyor belt, adjust the left and right positions of the left baffle 6 and hopper 8 using the adjusting rod 4, the first stop rod 5, and the second stop rod 7, so that the material discharge position is aligned with the front conveyor belt and the cartoning machine conveyor belt.

[0036] When the drive mechanism is started, the servo motor 37 is reduced in speed by the reducer 38 and then drives the second rotating feeding shaft 32 to rotate through the coupling 39. The second rotating feeding shaft 32 drives the second material control cam 33 on it to rotate. At the same time, the second transmission cylindrical gear 34 installed at the front end of the second rotating feeding shaft 32 rotates accordingly and drives the first transmission cylindrical gear 23 meshing with it to rotate in the opposite direction, thereby driving the first rotating feeding shaft 21 to rotate synchronously in the opposite direction. The first rotating feeding shaft 21 drives the first material control cam 22 on it to rotate.

[0037] The working process of the upper silo: During rotation, the first material control cam 22 pushes the first cam bearing 20, causing the first material control swing arm 19 to swing around the first material control arm shaft 18. The swing of the first material control swing arm 19 is transmitted to the first swing plate arm 14 through the second joint bearing 17, the first connecting rod 16 and the first joint bearing 15. The first swing plate arm 14 drives the upper swing rod 9 to rotate around the first swing seat 13, thereby causing the upper swing plate 10 to swing clockwise or counterclockwise on the front side of the main plate 1.

[0038] In the initial state, the upper swing plate 10 swings clockwise and closes with the left baffle 6 to form the upper hopper; the front conveyor belt feeds the material 40 into the hopper 8, and the material 40 falls into the upper hopper; when the material 40 reaches the preset quantity, the first control cam 22 continues to rotate, driving the upper swing plate 10 to swing counterclockwise, so that the upper swing plate 10 separates from the left baffle 6, the bottom of the upper hopper opens, and the material 40 falls into the lower hopper by gravity; then, the first control cam 22 drives the upper swing plate 10 to swing clockwise again, close with the left baffle 6, and re-form the upper hopper, starting the next round of material receiving.

[0039] The working process of the lower silo: When the second material control cam 33 rotates, it pushes the second cam bearing 31, causing the second material control swing arm 30 to swing around the second material control arm shaft 29. The swing of the second material control swing arm 30 is transmitted to the second swing plate arm 25 through the fourth joint bearing 28, the second connecting rod 27 and the third joint bearing 26. The second swing plate arm 25 drives the lower swing rod 11 to rotate around the second swing seat 24, thereby causing the lower swing plate 12 to swing clockwise or counterclockwise on the front side of the main plate 1.

[0040] Initially, the lower swing plate 12 swings clockwise and closes with the left baffle 6, forming the lower hopper. When material 40 from the upper hopper falls into the lower hopper, the lower hopper temporarily stores the material 40. When the cartoning machine conveyor belt reaches the predetermined position, the second control cam 33 drives the lower swing plate 12 to swing counterclockwise, causing the lower swing plate 12 to separate from the left baffle 6, opening the bottom of the lower hopper, and releasing the material 40 onto the cartoning machine conveyor belt for the next process. Subsequently, the second control cam 33 drives the lower swing plate 12 to swing clockwise again, closing with the left baffle 6, reforming the lower hopper, ready for the next material intake.

[0041] Each time the upper swing plate 10 of the upper hopper completes a "close → open → close" action, the lower swing plate 12 of the lower hopper simultaneously completes a "close → open → close" action, thus completing a complete work cycle and achieving quantitative material feeding. These actions are cyclically repeated under the drive of the servo motor 37, ensuring that the material 40 is continuously and quantitatively placed onto the cartoning machine conveyor belt, guaranteeing continuous packaging production of the cartoning machine.

[0042] This invention uses a set of servo motors 37 to drive the upper and lower cam linkage mechanisms to move synchronously, and a gear mechanism to ensure precise matching of the movement sequence of the upper and lower swing plates, thus achieving high-efficiency and high-stability automatic feeding. When two different specifications of materials need to be fed simultaneously, two sets of the feeding mechanisms can be set up side by side, each controlled by its own drive mechanism, without interfering with each other.

[0043] The feeding mechanism is driven by a servo motor, controlled by a PLC, and operated by a touch screen. It is easy to operate, has precise positioning, simple structure, stable operation, high reliability, and long service life. It is suitable for feeding various round or partially irregularly shaped materials of different sizes and specifications.

[0044] Parameters can be quickly adjusted by inputting numbers via a touchscreen, which is simple, convenient, and efficient. Operators do not need professional mechanical adjustment skills; they can simply tap the corresponding numbers on the touchscreen to complete the parameter settings. This not only saves a significant amount of time and labor costs but also improves production flexibility and adaptability.

[0045] This invention is used in the field of pharmaceutical packaging equipment and can be extended to various packaging equipment such as daily chemical product packaging. It is a stable feeding mechanism that can be used alone or in multiple sets simultaneously. Its core function is to solve the problem of feeding round or partially irregularly shaped materials into cartons during carton production.

[0046] The embodiments described above are merely preferred embodiments of the present invention and are not intended to limit the scope of the present invention. Various modifications and improvements made by those skilled in the art to the technical solutions of the present invention without departing from the spirit of the present invention should fall within the protection scope defined by the claims of the present invention.

Claims

1. A feeding mechanism, characterized in that: The system includes a main board (1), on which a feeding bin is provided. The feeding bin includes an upper bin and a lower bin arranged sequentially from top to bottom. A hopper (8) is provided above the upper bin. The main board (1) is also provided with an upper cam linkage mechanism and a lower cam linkage mechanism. The upper cam linkage mechanism and the lower cam linkage mechanism are respectively driven to the upper bin and the lower bin, and are used to drive the corresponding bin to perform feeding actions. The upper cam linkage mechanism and the lower cam linkage mechanism are connected by a gear mechanism to make them move synchronously. The upper cam linkage mechanism or the lower cam linkage mechanism is connected to a drive mechanism.

2. The feeding mechanism according to claim 1, characterized in that: The upper silo and the lower silo share a common left side baffle (6). The upper hopper also includes an upper swing rod (9) located on the right side of the left side baffle (6). The upper swing rod (9) is rotatably mounted on the main board (1), and an upper swing plate (10) is provided on the upper swing rod (9). The lower hopper also includes a lower swing rod (11) located on the right side of the left side baffle (6). The lower swing rod (11) is rotatably mounted on the main board (1), and a lower swing plate (12) is provided on the lower swing rod (11).

3. The feeding mechanism according to claim 2, characterized in that: The main board (1) is provided with two adjustment rod seats (3), and an adjustment rod (4) is provided between the two adjustment rod seats (3). A first stop rod (5) and a second stop rod (7) are detachably provided on the adjustment rod (4). The left baffle (6) is provided on the first stop rod (5), and the hopper (8) is provided on the second stop rod (7).

4. The feeding mechanism according to claim 1, characterized in that: The upper cam linkage mechanism includes a first swing seat (13) disposed on the main board (1), an upper swing rod (9) rotatably disposed on the first swing seat (13), a first swing plate arm (14) disposed at the rear end of the upper swing rod (9), the other end of the first swing plate arm (14) being connected to a first connecting rod (16) via a first joint bearing (15), a first material control arm shaft (18) disposed on the main board (1), a first material control swing arm (19) disposed on the first material control arm shaft (18), the other end of the first connecting rod (16) being connected to one end of the first material control swing arm (19) via a second joint bearing (17), the other end of the first material control swing arm (19) being provided with a first cam bearing (20), a first rotating feeding shaft (21) disposed on the main board (1), a first material control small cam (22) disposed on the first rotating feeding shaft (21), and the first material control small cam (22) being in contact with the first cam bearing (20).

5. The feeding mechanism according to claim 4, characterized in that: The lower cam linkage mechanism includes a second swing seat (24) mounted on the main board (1), a lower swing rod (11) rotatably mounted on the second swing seat (24), a second swing arm (25) mounted at the rear end of the lower swing rod (11), and a second connecting rod (27) connected to the other end of the second swing arm (25) via a third joint bearing (26). A second material control arm shaft (29) is mounted on the main board (1), and a second material control swing arm (30) is mounted on the second material control arm shaft (29). The other end of the second connecting rod (27) is connected to one end of the second material control swing arm (30) via a fourth joint bearing (28). A second cam bearing (31) is mounted on the other end of the second material control swing arm (30). A second rotating feeding shaft (32) is mounted on the main board (1), and a second material control cam (33) is mounted on the second rotating feeding shaft (32). The second material control cam (33) is in contact with the second cam bearing (31).

6. The feeding mechanism according to claim 5, characterized in that: The gear mechanism includes a first transmission cylindrical gear (23) and a second transmission cylindrical gear (34) that mesh with each other. The first transmission cylindrical gear (23) is mounted on the first rotating feed shaft (21), and the second transmission cylindrical gear (34) is mounted on the second rotating feed shaft (32).

7. The feeding mechanism according to claim 5, characterized in that: The drive mechanism includes a servo motor (37), and a reducer (38) is provided at the output end of the servo motor (37). The output shaft of the reducer (38) is connected to the first rotating feed shaft (21) or the second rotating feed shaft (32) through a coupling (39).

8. The feeding mechanism according to claim 7, characterized in that: The main board (1) is connected to a reducer base (35) by a number of reducer base pads (36), and the reducer (38) is mounted on the reducer base (35).

9. The feeding mechanism according to claim 1, characterized in that: The motherboard (1) is provided with a mounting base (2) at its lower part.

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