A feeding device for hot pressing production of brake pads
By designing a brake pad feeding device with a lifting mechanism and a transverse sliding device, the problem of the lack of flexibility and avoidance capabilities of existing equipment is solved, and a more efficient and safer brake pad hot pressing production process is achieved.
Patent Information
- Application Number
- CN202421429486.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-21
- Publication Date
- 2025-04-11
- Estimated Expiration
- 2034-06-21
AI Technical Summary
The existing brake pad feeding equipment lacks flexibility and avoidance, resulting in possible congestion and failure of the production line.
A feeding equipment including a frame, a weighing and cutting device, a feeding and feeding device and a transverse sliding device is designed. The feeding and feeding device realizes the conversion of high feeding levels, medium avoidance and low feeding levels through the lifting mechanism to ensure that the equipment can flexibly avoid and efficiently feed the materials during the production process.
Through the multiple displacement functions of the lifting mechanism, the handling and transfer of powder are reduced and the working efficiency is improved. At the same time, the flexibility and safety of the equipment are enhanced, collisions with other mechanisms are avoided, and the stable operation of the production line is ensured.
Smart Images

Figure CN222742242U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of brake pad production equipment, in particular to a feeding device used for hot pressing production of brake pads. Background Art
[0002] During the hot pressing process of brake pads, the brake pad feeding equipment is responsible for accurately and efficiently feeding various raw materials to the production line to ensure the production quality and efficiency of the brake pads. However, the existing brake pad feeding equipment usually adopts a horizontal sliding method to feed materials. When there are other mechanisms that need to occupy space on the assembly line, the existing feeding equipment often cannot effectively avoid it and lacks sufficient flexibility and avoidance ability, which may cause congestion and failure of the production line. Therefore, it is necessary to improve the existing technology to solve the above problems. Utility Model Content
[0003] The utility model aims to provide a feeding device for hot pressing production of brake pads, aiming to solve the problem that the feeding device in the prior art lacks flexibility and avoidance ability.
[0004] In order to achieve the above-mentioned purpose, the utility model provides a feeding device for hot pressing production of brake pads, including a frame, a weighing and unloading device, a material receiving and feeding device and a transverse sliding device; the weighing and unloading device is arranged on the frame, the transverse sliding device is fixed relative to the frame, the material receiving and feeding device is arranged at the movable end of the transverse sliding device and can be driven by the transverse sliding device to slide transversely;
[0005] The weighing and feeding device is used to feed the powder material to the receiving and feeding device;
[0006] The material receiving and feeding device is used to receive the powder material thrown from the weighing and feeding device and transfer the powder material and then throw it downward;
[0007] The material receiving and feeding device includes a material receiving and feeding mechanism and a lifting mechanism; the lifting mechanism is arranged at the movable end of the horizontal sliding device, the material receiving and feeding mechanism is arranged on the lifting mechanism and can be driven up and down by the lifting mechanism, and the lifting mechanism is provided with three lifting positions, which are respectively a low feeding position, a middle avoidance position and a high material receiving position.
[0008] Furthermore, the lifting mechanism includes an avoidance lifting cylinder, an avoidance lifting plate, a material receiving lifting cylinder, a material receiving lifting plate and a fixed connecting plate; the fixed connecting plate is arranged at the movable end of the transverse sliding device, the avoidance lifting cylinder is arranged at the fixed connecting plate, the avoidance lifting plate is arranged at the telescopic end of the avoidance lifting cylinder and can be driven by the avoidance lifting cylinder to slide on the fixed connecting plate, the material receiving lifting cylinder is arranged at the avoidance lifting plate, the material receiving lifting plate is arranged at the telescopic end of the material receiving lifting cylinder and can be driven by the material receiving lifting cylinder to slide on the avoidance lifting plate, and the material receiving and feeding mechanism is arranged on the material receiving lifting plate.
[0009] Furthermore, the material receiving and feeding mechanism includes multiple material receiving and feeding funnels and a supporting plate, and the supporting plate is driven to rise and fall by the lifting mechanism; the multiple material receiving and feeding funnels are all arranged on the supporting plate and penetrate the supporting plate, and the supporting plate is provided with a material blocking assembly; the material blocking assembly is used to block and open the bottom opening of the material receiving and feeding funnel.
[0010] Furthermore, the material blocking assembly includes a material blocking plate and a material blocking cylinder. The material blocking cylinder is arranged on a supporting plate. The material blocking plate is provided with a feeding port that matches the bottom opening of the material receiving and feeding funnel. The supporting plate is provided with a material blocking chute. The material blocking plate is arranged at the telescopic end of the material blocking cylinder and can be driven by the material blocking cylinder to slide on the material blocking chute.
[0011] Furthermore, the weighing and discharging device includes a feeding weighing mechanism and a receiving and discharging mechanism; the feeding weighing mechanism and the receiving and discharging mechanism are both arranged on the frame, the feeding weighing mechanism is used to feed a certain amount of powder into the receiving and discharging mechanism; the receiving and discharging mechanism is used to receive the powder from the feeding weighing mechanism and put the powder into the receiving and discharging funnel.
[0012] Furthermore, the material receiving and unloading mechanism includes a mounting frame, a unloading box and multiple material receiving and unloading components. The mounting frame and the unloading box are both arranged on the frame, and the multiple material receiving and unloading components are all arranged on the mounting frame. The unloading box is provided with multiple unloading ports that pass through from top to bottom.
[0013] Furthermore, the material receiving and discharging component includes a material receiving and discharging funnel, an opening and closing plate and an opening and closing cylinder; the material receiving and discharging funnel is adjustably arranged on a mounting frame, the opening and closing plate is rotatably connected to the material receiving and discharging funnel, the opening and closing plate is provided with an opening and closing push block, the opening and closing cylinder is arranged on the mounting frame, the telescopic rod of the opening and closing cylinder extends out to press against the opening and closing push block so that the opening and closing plate can close the bottom opening of the material receiving and discharging funnel by rotation, and the telescopic rod of the opening and closing cylinder retracts away from the opening and closing push block so that the opening and closing plate can open the bottom opening of the material receiving and discharging funnel under the gravity of the powder inside the material receiving and discharging funnel.
[0014] Furthermore, the transverse sliding device includes a slide rail, a slide plate and a motor. The slide rail is fixed relative to the frame. The slide plate is arranged on the slide rail and can be driven by the motor to slide on the slide rail. The material receiving and feeding device is arranged on the slide plate.
[0015] The utility model provides a feeding device for hot pressing production of brake pads. Compared with the prior art, when the material receiving and feeding mechanism is driven to a high material receiving position by the lifting mechanism, it can directly connect with the weighing and unloading device, reducing the links of powder material handling and transportation, thereby improving work efficiency; when the material receiving and feeding mechanism is driven to a middle avoidance position by the lifting mechanism, it can flexibly avoid other mechanisms on the equipment to ensure that the material receiving and feeding mechanism will not collide with other mechanisms during movement, thereby improving the safety and stability of operation; when the material receiving and feeding mechanism is driven to a low material feeding position by the lifting mechanism, it is more convenient to connect with external equipment and perform feeding operations. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;
[0017] Figure 2 It is a three-dimensional structural schematic diagram of the material receiving and feeding device of the utility model;
[0018] Figure 3 It is a three-dimensional structural schematic diagram of the lifting mechanism of the utility model;
[0019] Figure 4 It is a three-dimensional structural schematic diagram of the material receiving and feeding mechanism of the utility model;
[0020] Figure 5 It is a three-dimensional structural schematic diagram of the material blocking assembly of the utility model;
[0021] Figure 6 This is a three-dimensional structure diagram of the material receiving and unloading mechanism of the utility model. Figure 1 ;
[0022] Figure 7 This is a three-dimensional structure diagram of the material receiving and unloading mechanism of the utility model. Figure 2 ;
[0023] Figure 8 It is a three-dimensional structural schematic diagram of the transverse sliding device of the utility model.
[0024] Description of reference numerals:
[0025] 1. Frame;
[0026] 2. Material weighing and unloading device; 21. Material feeding and weighing mechanism; 22. Material receiving and unloading mechanism; 221. Mounting frame; 222. Unloading box; 2221. Unloading port; 223. Material receiving and unloading assembly; 2231. Material receiving and unloading hopper; 2232. Opening and closing plate; 2233. Opening and closing cylinder; 2234. Opening and closing push block; 2235. Telescopic rod;
[0027] 3. Material receiving and feeding device; 31. Material receiving and feeding mechanism; 311. Material receiving and feeding hopper; 312. Support plate; 3121. Material blocking chute; 313. Material blocking assembly; 3131. Material blocking plate; 3132. Material blocking cylinder; 3133. Feeding port; 32. Lifting mechanism; 321. Avoidance lifting cylinder; 322. Avoidance lifting plate; 323. Material receiving lifting cylinder; 324. Material receiving lifting plate; 325. Fixed connecting plate;
[0028] 4. lateral sliding device; 41. slide rail; 42. slide plate; 43. motor. DETAILED DESCRIPTION
[0029] The present invention is described in detail below in conjunction with specific embodiments.
[0030] In the present utility model, unless otherwise clearly specified and limited, when terms such as "set on", "connected", and "connected" appear, these terms should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected or connected through one or more intermediate media. For those skilled in the art, the specific meanings of the above terms in the present utility model can be understood according to the specific circumstances. The directional words that appear in the present utility model are to better illustrate the characteristics of the features and the relationship between the features. It should be understood that when the placement direction of the present utility model changes, the characteristics of the features and the direction of the relationship between the features also change accordingly. Therefore, the directional words do not constitute an absolute limitation on the characteristics of the features and the relationship between the features in space, but only play a relative limitation role.
[0031] The utility model provides a feeding device for hot pressing production of brake pads, such as Figures 1 to 8 As shown, it comprises a frame 1, a weighing and unloading device 2, a material receiving and feeding device 3 and a transverse sliding device 4; the weighing and unloading device 2 is arranged on the frame 1, the transverse sliding device 4 is fixed relative to the frame 1, and the material receiving and feeding device 3 is arranged at the movable end of the transverse sliding device 4 and can be driven by the transverse sliding device 4 to slide in the transverse direction;
[0032] The weighing and feeding device 2 is used to feed the powder material to the receiving and feeding device 3;
[0033] The material receiving and feeding device 3 is used to receive the powder material thrown from the weighing and feeding device 2 and transfer the powder material and then throw it downward;
[0034] The material receiving and feeding device 3 includes a material receiving and feeding mechanism 31 and a lifting mechanism 32; the lifting mechanism 32 is arranged at the movable end of the horizontal sliding device 4, the material receiving and feeding mechanism 31 is arranged on the lifting mechanism 32 and can be driven up and down by the lifting mechanism 32, and the lifting mechanism 32 is provided with three lifting positions, which are respectively a low feeding position, a middle avoidance position and a high material receiving position.
[0035] Based on the above-mentioned structural setting, when the material receiving and feeding mechanism 31 is driven to the high material receiving position by the lifting mechanism 32, it can be directly connected with the weighing and unloading device 2, reducing the links of powder material handling and transportation, thereby improving work efficiency; when the material receiving and feeding mechanism 31 is driven to the middle avoidance position by the lifting mechanism 32, it can flexibly avoid other mechanisms on the equipment to ensure that the material receiving and feeding mechanism 31 will not collide with other mechanisms during the movement, thereby improving the safety and stability of the operation; when the material receiving and feeding mechanism 31 is driven to the low material feeding position by the lifting mechanism 32, it is more convenient to connect with the external equipment and perform feeding operations.
[0036] In this embodiment, the lifting mechanism 32 includes an avoidance lifting cylinder 321, an avoidance lifting plate 322, a material receiving lifting cylinder 323, a material receiving lifting plate 324 and a fixed connecting plate 325; the fixed connecting plate 325 is arranged at the movable end of the transverse sliding device 4, the avoidance lifting cylinder 321 is arranged on the fixed connecting plate 325, the avoidance lifting plate 322 is arranged at the telescopic end of the avoidance lifting cylinder 321 and can be driven by the avoidance lifting cylinder 321 to slide on the fixed connecting plate 325, the material receiving lifting cylinder 323 is arranged on the avoidance lifting plate 322, the material receiving lifting plate 324 is arranged on the telescopic end of the material receiving lifting cylinder 323 and can be driven by the material receiving lifting cylinder 323 to slide on the avoidance lifting plate 322, and the material receiving and feeding mechanism 31 is arranged on the material receiving lifting plate 324. When the avoidance lifting cylinder 321 and the material receiving lifting cylinder 323 are both in a retracted state, the material receiving and feeding mechanism 31 is in a low feeding position; when the material receiving lifting cylinder 323 is in a retracted state and the avoidance lifting cylinder 321 is in an extended state, or when the material receiving lifting cylinder 323 is in an extended state and the avoidance lifting cylinder 321 is in a retracted state, the material receiving and feeding mechanism 31 is in a middle avoidance position; when the avoidance lifting cylinder 321 and the material receiving lifting cylinder 323 are both in an extended state, the material receiving and feeding mechanism 31 is in a high material receiving position.
[0037] In this embodiment, the material receiving and feeding mechanism 31 includes a plurality of material receiving and feeding hoppers 311 and a supporting plate 312, and the supporting plate 312 is driven to rise and fall by the lifting mechanism 32; the plurality of material receiving and feeding hoppers 311 are all arranged on the supporting plate 312 and penetrate the supporting plate 312, and the supporting plate 312 is provided with a material blocking assembly 313, and the material blocking assembly 313 is used to block and open the bottom opening of the material receiving and feeding hopper 311. Through the structural design above, when the material receiving and feeding mechanism 31 is located at the high material receiving position and the middle avoidance position, the material blocking assembly 313 blocks the bottom opening of the material receiving and feeding hopper 311, so that the bottom opening of the material receiving and feeding hopper 311 is in a closed state; when the material receiving and feeding mechanism 31 is located at the low material feeding position, the material blocking assembly 313 opens the bottom opening of the material receiving and feeding hopper 311, so that the bottom opening of the material receiving and feeding hopper 311 is in an open state.
[0038] In this embodiment, the material blocking assembly 313 includes a material blocking plate 3131 and a material blocking cylinder 3132. The material blocking cylinder 3132 is arranged on the supporting plate 312. The material blocking plate 3131 is provided with a feeding port 3133 that fits with the bottom opening of the material receiving and feeding funnel 311. The supporting plate 312 is provided with a material blocking chute 3121. The material blocking plate 3131 is arranged at the telescopic end of the material blocking cylinder 3132 and can be driven by the material blocking cylinder 3132 to slide on the material blocking chute 3121. When the material receiving and feeding funnel 311 needs to feed materials, the material blocking cylinder 3132 drives the feeding port 3133 to slide to the bottom opening of the material receiving and feeding funnel 311, and the material can be fed; when the material receiving and feeding funnel 311 needs to receive materials, the material blocking cylinder 3132 drives the feeding port 3133 to slide away from the bottom opening of the material receiving and feeding funnel 311, so that the material blocking plate 3131 blocks the bottom opening of the material receiving and feeding funnel 311, and the material can be received.
[0039] In this embodiment, the weighing and discharging device 2 includes a feed weighing mechanism 21 and a receiving and discharging mechanism 22; the feed weighing mechanism 21 and the receiving and discharging mechanism 22 are both arranged on the frame 1, the feed weighing mechanism 21 is used to feed a fixed amount of powder to the receiving and discharging mechanism 22; the receiving and discharging mechanism 22 is used to receive the powder from the feed weighing mechanism 21 and put the powder into the receiving and discharging funnel 311. The feed weighing mechanism 21 is a prior art, so its structure and working principle are not described in detail in this application.
[0040] In this embodiment, the material receiving and discharging mechanism 22 includes a mounting frame 221, a discharging box 222 and a plurality of material receiving and discharging components 223. The mounting frame 221 and the discharging box 222 are both arranged on the frame 1, and the plurality of material receiving and discharging components 223 are all arranged on the mounting frame 221. The discharging box 222 is provided with a plurality of discharging ports 2221 that pass through from top to bottom. The discharging box 222 is used to dock with the material receiving and feeding funnel 311 to ensure that the powder material can stably enter the material receiving and feeding funnel 311 through the discharging box 222, thereby effectively reducing the spilling phenomenon caused by the excessively fast or unstable flow rate of the powder material.
[0041] In this embodiment, the material receiving and discharging component 223 includes a material receiving and discharging funnel 2231, an opening and closing plate 2232 and an opening and closing cylinder 2233; the material receiving and discharging funnel 2231 is adjustably arranged on the mounting frame 221, the opening and closing plate 2232 is rotatably connected to the material receiving and discharging funnel 2231, the opening and closing plate 2232 is provided with an opening and closing push block 2234, the opening and closing cylinder 2233 is arranged on the mounting frame 221, the telescopic rod 2235 of the opening and closing cylinder 2233 extends out to resist the opening and closing push block 2234 so that the opening and closing plate 2232 can close the bottom opening of the material receiving and discharging funnel 2231 by rotation, and the telescopic rod 2235 of the opening and closing cylinder 2233 retracts away from the opening and closing push block 2234 so that the opening and closing plate 2232 opens the bottom opening of the material receiving and discharging funnel 2231 under the gravity of the powder inside the material receiving and discharging funnel 2231. Through the structural design above, when the material receiving and discharging mechanism 22 receives the powder material dropped by the material feeding and weighing mechanism 21, the telescopic rod 2235 of the opening and closing cylinder 2233 extends, and the bottom opening of the material receiving and discharging funnel 2231 is closed; when the material receiving and discharging funnel 2231 transfers the powder material to the material receiving and feeding device 3, the telescopic rod 2235 of the opening and closing cylinder 2233 retracts, and the bottom opening of the material receiving and discharging funnel 2231 opens, so that the powder material in the material receiving and discharging funnel 2231 falls into the material receiving and feeding funnel 311.
[0042] In this embodiment, the transverse sliding device 4 includes a slide rail 41, a slide plate 42 and a motor 43. The slide rail 41 is fixed relative to the frame 1, the slide plate 42 is arranged on the slide rail 41 and can be driven by the motor 43 to slide on the slide rail 41, and the material receiving and feeding device 3 is arranged on the slide plate 42. The transverse sliding device 4 can make the material receiving and feeding device 3 slide to be opposite to the weighing and feeding device 2 and receive the powder material fed by the weighing and feeding device 2, and then slide to be opposite to different peripheral devices and feed the powder material into the peripheral devices.
[0043] In summary, this feeding equipment for hot pressing production of brake pads can solve the problem of lack of flexibility and avoidance ability of the feeding equipment in the prior art.
[0044] In the absence of conflict, the above-mentioned embodiments and features thereof may be combined with each other.
[0045] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit the protection scope of the utility model. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in this field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the essence and scope of the technical solution of the utility model.
Claims
1. A feeding device for hot pressing production of brake pads, characterized by: The machine comprises a frame (1), a weighing and unloading device (2), a material receiving and feeding device (3) and a transverse sliding device (4); the weighing and unloading device (2) is arranged on the frame (1), the transverse sliding device (4) is fixed relative to the frame (1), and the material receiving and feeding device (3) is arranged at the movable end of the transverse sliding device (4) and can be driven by the transverse sliding device (4) to slide in the transverse direction; The weighing and feeding device (2) is used to feed the powder material to the receiving and feeding device (3); The material receiving and feeding device (3) is used to receive the powder material fed from the material weighing and feeding device (2) and transfer the powder material and feed it downward; The material receiving and feeding device (3) comprises a material receiving and feeding mechanism (31) and a lifting mechanism (32); the lifting mechanism (32) is arranged at the movable end of the transverse sliding device (4); the material receiving and feeding mechanism (31) is arranged on the lifting mechanism (32) and can be driven to rise and fall by the lifting mechanism (32); the lifting mechanism (32) is provided with three lifting positions, which are respectively a low feeding position, a middle avoidance position and a high material receiving position.
2. The feeding equipment for hot pressing production of brake pads according to claim 1 is characterized in that: The lifting mechanism (32) comprises an avoidance lifting cylinder (321), an avoidance lifting plate (322), a material receiving lifting cylinder (323), a material receiving lifting plate (324) and a fixed connecting plate (325); the fixed connecting plate (325) is arranged at the movable end of the transverse sliding device (4); the avoidance lifting cylinder (321) is arranged at the fixed connecting plate (325); the avoidance lifting plate (322) is arranged at the telescopic end of the avoidance lifting cylinder (321) and can be driven by the avoidance lifting cylinder (321) to slide on the fixed connecting plate (325); the material receiving lifting cylinder (323) is arranged at the avoidance lifting plate (322); the material receiving lifting plate (324) is arranged at the telescopic end of the material receiving lifting cylinder (323) and can be driven by the material receiving lifting cylinder (323) to slide on the avoidance lifting plate (322); and the material receiving and feeding mechanism (31) is arranged at the material receiving lifting plate (324).
3. The feeding equipment for hot pressing production of brake pads according to claim 1 is characterized in that: The material receiving and feeding mechanism (31) comprises a plurality of material receiving and feeding hoppers (311) and a supporting plate (312), wherein the supporting plate (312) is driven to rise and fall by the lifting mechanism (32); the plurality of material receiving and feeding hoppers (311) are all arranged on the supporting plate (312) and penetrate the supporting plate (312), and the supporting plate (312) is provided with a material blocking assembly (313); the material blocking assembly (313) is used to block and open the bottom opening of the material receiving and feeding hopper (311).
4. The feeding equipment for hot pressing production of brake pads according to claim 3 is characterized in that: The material blocking assembly (313) comprises a material blocking plate (3131) and a material blocking cylinder (3132), wherein the material blocking cylinder (3132) is arranged on the supporting plate (312), the material blocking plate (3131) is provided with a feeding port (3133) which fits with the bottom opening of the material receiving and feeding funnel (311), the supporting plate (312) is provided with a material blocking chute (3121), and the material blocking plate (3131) is arranged at the telescopic end of the material blocking cylinder (3132) and can be driven by the material blocking cylinder (3132) to slide on the material blocking chute (3121).
5. The feeding equipment for hot pressing production of brake pads according to claim 1, characterized in that: The weighing and discharging device (2) comprises a material feeding and weighing mechanism (21) and a material receiving and discharging mechanism (22); the material feeding and weighing mechanism (21) and the material receiving and discharging mechanism (22) are both arranged on the frame (1); the material feeding and weighing mechanism (21) is used to feed a fixed amount of powder material into the material receiving and discharging mechanism (22); the material receiving and discharging mechanism (22) is used to receive the powder material fed from the material feeding and weighing mechanism (21) and feed the powder material into the material receiving and discharging funnel (311).
6. The feeding equipment for hot pressing production of brake pads according to claim 5, characterized in that: The material receiving and discharging mechanism (22) comprises a mounting frame (221), a discharging box (222) and a plurality of material receiving and discharging components (223); the mounting frame (221) and the discharging box (222) are both arranged on the frame (1); the plurality of material receiving and discharging components (223) are all arranged on the mounting frame (221); and the discharging box (222) is provided with a plurality of discharging openings (2221) which are connected vertically.
7. The feeding equipment for hot pressing production of brake pads according to claim 6 is characterized in that: The material receiving and discharging component (223) comprises a material receiving and discharging funnel (2231), an opening and closing plate (2232) and an opening and closing cylinder (2233); the material receiving and discharging funnel (2231) is adjustably arranged on a mounting frame (221); the opening and closing plate (2232) is rotatably connected to the material receiving and discharging funnel (2231); the opening and closing plate (2232) is provided with an opening and closing push block (2234); the opening and closing cylinder (2233) is arranged on the mounting frame (221); The telescopic rod (2235) of (2233) extends out to press against the opening and closing push block (2234) so that the opening and closing plate (2232) can close the bottom opening of the material receiving and discharging funnel (2231) by rotating, and the telescopic rod (2235) of the opening and closing cylinder (2233) retracts away from the opening and closing push block (2234) so that the opening and closing plate (2232) can open the bottom opening of the material receiving and discharging funnel (2231) under the gravity of the powder inside the material receiving and discharging funnel (2231).
8. The feeding equipment for hot pressing production of brake pads according to claim 1, characterized in that: The transverse sliding device (4) comprises a slide rail (41), a slide plate (42) and a motor (43); the slide rail (41) is fixed relative to the frame (1); the slide plate (42) is arranged on the slide rail (41) and can be driven by the motor (43) to slide on the slide rail (41); and the material receiving and feeding device (3) is arranged on the slide plate (42).