Bottom material collecting device of spiral feeding machine
By installing a scraper and a guide vibrating plate inside the hopper of the screw conveyor, the problems of raw material adhesion and blockage are solved, achieving smooth material feeding and reduced energy consumption.
Patent Information
- Application Number
- CN202520602681.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-01
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2035-04-01
AI Technical Summary
In high-humidity environments, the bottom collecting device of a screw conveyor is prone to material adhering to the inner wall, resulting in poor material discharge, affecting production efficiency and increasing equipment energy consumption.
A scraper frame is installed on the inner wall of the hopper and equipped with a drive mechanism to make it rotate circumferentially. Combined with a guide vibrating plate and a linkage control mechanism, the material is accelerated through vibration to avoid adhesion and blockage.
It effectively prevents raw material adhesion, ensures smooth material feeding, reduces equipment energy consumption, reduces mechanical failures, and lowers production costs.
Smart Images
Figure CN223737216U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to pet feed processing technical field, especially a bottom material collecting device of spiral feeding machine. BACKGROUND
[0002] In the pet feed processing process, the spiral feeding machine as an important conveying equipment is widely used to convey raw materials from the hopper to the processing equipment. This equipment can efficiently lift and convey raw materials through the rotating movement of the screw.
[0003] However, in practical application, especially in the production environment of pet feed, the bottom material collecting device of the spiral feeding machine is prone to have the problem of difficult discharging, that is, in the storage and processing of pet feed, the raw materials are prone to moisture absorption, especially in a high-temperature and high-humidity environment, the presence of moisture can change the physical properties of the feed particles, increase the adhesion between the particles, and thus affect the flowability of the raw materials in the hopper, so that the discharging is affected, and the raw materials are easily adhered to the inner wall of the hopper to form solid blocks, and even cause the raw materials to be retained in the hopper. This phenomenon not only reduces the effective volume of the hopper, but also causes poor discharging, affecting the efficiency of the entire production line. At the same time, when the raw materials in the hopper adhere to the inner wall, the screw rod of the spiral feeding machine is difficult to effectively convey them to the processing equipment, resulting in uneven discharging, and even the phenomenon of hopper idling. This not only increases the energy consumption of the equipment, but also may cause mechanical failure. SUMMARY
[0004] The utility model aims at overcoming the defects that the material collecting device in the prior art is prone to adhere to the inner wall of the hopper during discharging, resulting in limited discharging, and provides a bottom material collecting device of a spiral feeding machine. The device is installed with a scraping frame on the inner wall of the material collecting hopper, and the scraping frame can rotate along the circumference of the material collecting hopper under the drive of the driving mechanism. In this way, the raw materials can be prevented from adhering to the inner wall of the material collecting hopper. The device is installed with a guide vibration plate in the upper hopper. The guide vibration plate can not only guide the raw materials into the screw conveyor for conveying, but also accelerate the falling of the raw materials through vibration to avoid the situation that the raw materials cannot fall due to internal friction and cohesion and cause blockage.
[0005] To achieve the above-mentioned purpose, the utility model adopts the technical scheme of:
[0006] The utility model discloses a bottom material collecting device of spiral feeding machine, including the material collecting hopper and the feeding hopper, the material collecting hopper is installed above the feeding hopper, the feeding hopper is connected with the spiral conveyor of spiral feeding machine, the inside installation of material collecting hopper has the material scraping frame of preventing raw material adhesion in the inner wall of material collecting hopper, the driving mechanism for driving the material scraping frame rotates along the circumference of material collecting hopper is installed above material collecting hopper, the feeding hopper is communicated with the spiral conveyor, the inside upper portion of feeding hopper is provided with the guide vibration plate that can guide material to enter the inside of spiral conveyor, the device is applied to pet feed processing, and the raw material of pet feed is fed and is transported, when using, material is first concentrated and falls into the feeding hopper from the material collecting hopper, then is fed through the spiral conveyor, in this process, because the raw material of pet feed is easy to appear heavy humidity, therefore, when collecting material, the raw material is easy to adhere to the inner wall of material collecting hopper or to be accumulated in the upper portion of feeding hopper, resulting in the influence of feeding.
[0007] As the further description of the above technical scheme: the driving mechanism includes the swivel ring, the gear ring and the motor, wherein, the swivel ring is rotatably installed at the top of the material collecting hopper through the shaft ring, the top of the material scraping frame is fixedly connected with the swivel ring, the gear ring is sleeved on the outer wall of the swivel ring, the motor is fixedly installed on the outer wall of the material collecting hopper through the fixed plate, the output shaft of the motor is provided with a gear, and the gear is meshingly connected with the gear ring, so that when the motor operates, the gear drives the gear ring to rotate, thereby driving the material scraping frame to rotate along the circumference of the material collecting hopper for scraping material.
[0008] As the further description of the above technical scheme: the material scraping frame is provided with a plurality of the material scraping frames, and the plurality of material scraping frames are arranged in an annular array around the central axis of the material collecting hopper.
[0009] As the further description of the above technical scheme: a plurality of fins are equidistantly installed on the material scraping frame, so that when the material scraping frame rotates, the fins can drive more raw materials, facilitating unloading.
[0010] As the further description of the above technical scheme: the guide vibration plate adopts a wedge-shaped structure with gradually increasing thickness from top to bottom, and it needs to be noted that since the pipeline of the spiral conveyor extending to the feeding hopper is a semicircular structure open at the top, in order to enable the raw materials to quickly concentrate in the half-pipe of the spiral conveyor at the center position when falling, the guide vibration plate is designed as a wedge-shaped structure, which has the effect of guiding the materials.
[0011] As a further description of the above technical solution: the guide vibrating plate is connected to the inner wall of the feeding hopper by multiple springs, enabling the guide vibrating plate to move horizontally. A vibrating rod is connected to the center of the outward side of the guide vibrating plate. One end of the vibrating rod passes through the outer wall of the feeding hopper and extends to the outside of the feeding hopper. A linkage control mechanism is installed on the outside of the feeding hopper to cause the guide vibrating plate to vibrate by pressing the vibrating rod. This structural arrangement enables the guide vibrating plate not only to guide the material to fall, but also to solve the problem of blockage caused by the material's inability to fall due to internal friction and cohesion in the feeding hopper through vibration.
[0012] As a further description of the above technical solution: the linkage control mechanism includes a U-shaped component, a two-section linkage, a vibration drive ring, and a tension spring. The U-shaped component is fixed to the outer wall of the hopper. The two-section linkage adopts a two-section bending structure, with the bent portions of the two-section linkage rotatably mounted on the inner side of the U-shaped component via pins. The vibration drive ring has a ring-shaped structure, and its outer wall is configured as a continuous undulating structure circumferentially. The vibration drive ring is fixed below the toothed ring, allowing it to rotate with the toothed ring. One end of the tension spring is mounted on the outer wall of the hopper, and the other end is connected to the inner side of the two-section linkage above the U-shaped component.
[0013] The bottom of the two-section connecting rod is equipped with a top hammer, which is always in contact with one end of the vibrating rod. The top of the two-section connecting rod is always in contact with the surface of the vibration drive ring. It should be noted that the tension spring is used to provide tension, so that the top of the two-section connecting rod is always in contact with the surface of the vibration drive ring. The spring provides a constant outward tension to the guide vibrating plate. Based on this, when the gear ring drives the vibration drive ring, since the top of the two-section connecting rod is always in contact with the surface of the vibration drive ring, and the outer wall of the vibration drive ring is set as a continuous undulating structure along the circumference, the top of the two-section connecting rod will be constantly in a lifting and lowering motion. Under the action of the connecting rod structure, the top hammer at the bottom of the two-section connecting rod pushes the guide vibrating plate to continuously reciprocate in the horizontal direction through the vibrating rod. This not only assists in guiding the material feeding, but the entire vibration structure does not require the installation of other electrical equipment. It is synchronized with the drive mechanism of the scraper, thereby achieving the effect of reducing costs.
[0014] As a further description of the above technical solution: a rotating column is installed on the side of the top of the two-section connecting rod that contacts the vibration drive ring.
[0015] Compared with the prior art, the present invention has the following beneficial effects:
[0016] The device avoids the material from adhering to the inner wall of the hopper by installing a scraper on the inner wall of the hopper, which can rotate around the circumference of the hopper under the drive of the drive mechanism.
[0017] The device uses a guide vibrating plate installed in the hopper. The guide vibrating plate not only guides the raw material into the screw conveyor for transport, but also accelerates the falling of the raw material through vibration, preventing blockage caused by internal friction and cohesion. Furthermore, the vibration driving force of the guide vibrating plate is synchronously connected to the drive mechanism of the scraper frame through a linkage control mechanism, so no additional electrical equipment is required, which greatly reduces the production and operating costs of the equipment. Attached Figure Description
[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0019] Figure 2 This is a schematic diagram of the structure of this utility model from another perspective;
[0020] Figure 3 This is a schematic diagram of the drive mechanism in this utility model;
[0021] Figure 4 This is a partial cross-sectional view of the present invention;
[0022] Figure 5 This is a schematic diagram of the guide plate installation structure in this utility model;
[0023] Figure 6 This is a schematic diagram of the installation structure of the rotating column at the top of the two-section connecting rod in this utility model.
[0024] Reference numerals in the attached drawings: 1. Collection hopper; 2. Feeding hopper; 3. Screw conveyor; 4. Two-stage connecting rod; 5. U-shaped component; 6. Motor; 7. Gear ring; 8. Rotary ring; 9. Scraper frame; 10. Fixed plate; 11. Gear; 12. Vibration drive ring; 13. Fin; 14. Shaft collar; 15. Guide vibrating plate; 16. Tension spring; 17. Top hammer; 18. Vibrating rod; 19. Spring; 20. Rotating column. Detailed Implementation
[0025] The following is in conjunction with the appendix Figure 1 -Appendix Figure 6This invention further illustrates the specific implementation of a bottom collecting device for a screw conveyor, overcoming the shortcomings of existing collecting devices where material tends to adhere to the inner wall of the hopper during discharge, thus restricting material flow. This device addresses this by installing a scraper on the inner wall of the hopper, which rotates circumferentially under the drive of a driving mechanism. This prevents material from adhering to the inner wall of the hopper. Furthermore, the device incorporates a guide vibrating plate in the feeding hopper. This guide plate not only guides the material into the screw conveyor for transport but also accelerates the material's descent through vibration, preventing blockages caused by internal friction and cohesion. The bottom collecting device for a screw conveyor is not limited to the embodiments described below.
[0026] Example 1:
[0027] This embodiment provides a bottom material collection device for a screw conveyor, such as... Figures 1-6 As shown, it includes a collecting hopper 1 and a feeding hopper 2. The collecting hopper 1 is installed above the feeding hopper 2. The feeding hopper 2 is connected to the screw conveyor 3 of the screw feeder. A scraper 9 is installed inside the collecting hopper 1 to prevent raw materials from adhering to the inner wall of the collecting hopper 1. A drive mechanism is installed above the collecting hopper 1 to drive the scraper 9 to rotate around the collecting hopper 1.
[0028] The feeding hopper 2 is connected to the screw conveyor 3. A guide vibrating plate 15 is installed inside the feeding hopper 2 to guide materials into the screw conveyor 3. This device is used in pet food processing to feed and convey raw materials for pet food. In use, materials first fall from the collecting hopper 1 into the feeding hopper 2, and then are fed through the screw conveyor 3. During this process, because the raw materials for pet food are prone to high moisture content, they tend to adhere to the inner wall of the collecting hopper 1 or accumulate above the feeding hopper 2, affecting the feeding process. Therefore, this device installs a scraper 9 on the inner wall of the collecting hopper 1. The scraper 9 can rotate circumferentially along the collecting hopper 1 under the drive of the drive mechanism, thus preventing raw materials from adhering to the inner wall of the collecting hopper 1. The guide vibrating plate 15 in the feeding hopper 2 not only guides the raw materials into the screw conveyor 3 for conveying, but also accelerates the falling of the raw materials through vibration, preventing blockage caused by internal friction and cohesion.
[0029] Specifically, such as Figures 1-3As shown, in order to achieve rotation control of the scraper 9, in this embodiment, the driving mechanism includes a rotating ring 8, a gear ring 7, and a motor 6. The rotating ring 8 is rotatably mounted on the top of the hopper 1 via a collar 14. The top of the scraper 9 is fixedly connected to the rotating ring 8. The gear ring 7 is sleeved on the outer wall of the rotating ring 8. The motor 6 is fixedly mounted on the outer wall of the hopper 1 via a fixing plate 10. A gear 11 is mounted on the output shaft of the motor 6. The gear 11 meshes with the gear ring 7. Therefore, when the motor 6 runs, the gear ring 7 is driven to rotate via the gear 11, thereby driving the scraper 9 to rotate circumferentially around the hopper 1 via the rotating ring 8 to scrape materials.
[0030] Specifically, such as Figures 1-3 As shown, in order to improve the scraping effect of the scraper 9 on the material, in this embodiment, there are multiple scraper 9s, and the multiple scraper 9s are arranged in a ring array with the central axis of the hopper 1 as the axis.
[0031] Specifically, such as Figures 1-3 As shown, in order to further improve the scraping effect of the scraper 9 on the material, in this embodiment, multiple fins 13 are installed at equal intervals on the scraper 9, so that when the scraper 9 rotates, the fins 13 can drive more raw materials, which facilitates material feeding.
[0032] Example 2:
[0033] This embodiment provides a bottom material collection device for a screw conveyor, such as... Figures 3-6 As shown, based on Embodiment 1, in order to guide the material in the hopper 2, the guide vibrating plate 15 adopts a wedge-shaped structure with gradually increasing thickness from top to bottom in this embodiment. It should be noted that since the pipe from the screw conveyor 3 to the hopper 2 is a semi-circular structure with an open top, the guide vibrating plate 15 is designed with a wedge-shaped structure in order to quickly concentrate the raw material into the half-pipe of the screw conveyor 3 at the center position when it falls, so as to guide the material.
[0034] Specifically, such as Figures 3-6As shown, in order to improve the material guiding effect of the guide vibrating plate 15 and avoid the blockage caused by the material not falling in the feeding hopper 2 due to internal friction and cohesion, in this embodiment, the guide vibrating plate 15 is connected to the inner wall of the feeding hopper 2 by multiple springs 19, so that the guide vibrating plate 15 can move in the horizontal direction. A vibrating rod 18 is connected to the center of the outward side of the guide vibrating plate 15. One end of the vibrating rod 18 passes through the outer wall of the feeding hopper 2 and extends to the outside of the feeding hopper 2. A linkage control mechanism is installed on the outside of the feeding hopper 2 to make the guide vibrating plate 15 vibrate by pressing the vibrating rod 18. This structural arrangement enables the guide vibrating plate 15 not only to guide the material to fall, but also to solve the problem of the material not falling in the feeding hopper 2 due to internal friction and cohesion through vibration.
[0035] Specifically, such as Figures 3-6 As shown, in order to reduce the control structure and lower the operating and production costs of the equipment, in this embodiment, the linkage control mechanism includes a U-shaped component 5, a two-section connecting rod 4, a vibration drive ring 12, and a tension spring 16. The U-shaped component 5 is fixed to the outer wall of the hopper 1. The two-section connecting rod 4 has a two-section bending structure, and the bent sections of the two-section connecting rod 4 are rotatably mounted on the inner side of the U-shaped component 5 via pins. The vibration drive ring 12 has a ring-shaped structure, and the outer wall of the vibration drive ring 12 is configured with a continuous undulating structure along the circumference. The vibration drive ring 12 is fixed below the toothed ring 7, allowing it to rotate with the rotation of the toothed ring 7. One end of the tension spring 16 is mounted on the outer wall of the hopper 1, and the other end is connected to the inner side of the two-section connecting rod 4 above the U-shaped component 5.
[0036] The bottom of the two-section connecting rod 4 is provided with a top hammer 17, which is always in contact with one end of the vibrating rod 18. The top of the two-section connecting rod 4 is always in contact with the surface of the vibration drive ring 12. It should be noted that the tension spring 16 is used to provide tension so that the top of the two-section connecting rod 4 is always in contact with the surface of the vibration drive ring 12. The spring 19 provides a constant outward tension to the guide vibrating plate 15. Based on this, when the toothed ring 7 drives the vibration drive ring 12, since the top of the two-section connecting rod 4 is always in contact with the surface of the vibration drive ring 12, and the outer wall of the vibration drive ring 12 is set as a continuous undulating structure along the circumference, the top of the two-section connecting rod 4 will be constantly in the action of lifting and falling. Under the action of the connecting rod structure, the top hammer 17 at the bottom of the two-section connecting rod 4 pushes the guide vibrating plate 15 to continuously reciprocate in the horizontal direction through the vibrating rod 18. This not only assists in guiding the material feeding, but also the entire vibration structure does not require the installation of other electrical equipment. It is synchronized with the drive mechanism of the scraper 9, thereby achieving the effect of reducing costs.
[0037] Specifically, such as Figures 3-6As shown, in order to make the top of the two-section connecting rod 4 make more stable and smooth contact with the outer wall of the vibration drive ring 12, in this embodiment, a rotating column 20 is installed on the side of the top of the two-section connecting rod 4 that contacts the vibration drive ring 12.
[0038] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.
Claims
1. A bottom material collecting device of a screw feeder, comprising a material collecting hopper (1) and a feeding hopper (2), the material collecting hopper (1) is installed above the feeding hopper (2), the feeding hopper (2) is connected with a screw conveyor (3) of the screw feeder, characterized in that: The inside of the aggregate hopper (1) is provided with a scraping frame (9) for preventing raw materials from adhering to the inner wall of the aggregate hopper (1), and a driving mechanism is arranged above the aggregate hopper (1) for driving the scraping frame (9) to rotate along the circumference of the aggregate hopper (1). The upper hopper (2) is communicated with the screw conveyor (3), and a guide vibration plate (15) capable of guiding the material into the inside of the screw conveyor (3) is arranged on the inside of the upper hopper (2).
2. A material collecting device for the bottom of a screw feeder according to claim 1, characterized in that: The driving mechanism comprises: A rotating ring (8) is rotatably arranged on the top of the aggregate hopper (1) through a shaft ring (14), and the top of the scraping frame (9) is fixedly connected with the rotating ring (8); A gear ring (7) is sleeved on the outer wall of the rotating ring (8); A motor (6) is fixedly arranged on the outer wall of the aggregate hopper (1) through a fixing plate (10); The output shaft of the motor (6) is provided with a gear (11), and the gear (11) is in meshing connection with the gear ring (7).
3. A material collecting device for the bottom of a screw feeder according to claim 2, characterized in that: A plurality of scraping frames (9) are arranged, and the plurality of scraping frames (9) are arranged in a ring array with the central axis of the aggregate hopper (1) as the axis.
4. A material collecting device for the bottom of a screw feeder according to claim 1, characterized in that: A plurality of fins (13) are arranged on the scraping frame (9) at equal intervals.
5. A material collecting device for the bottom of a screw feeder according to claim 2, characterized in that: The guide vibration plate (15) adopts a wedge-shaped structure with gradually increasing thickness from top to bottom, and it should be noted that the pipeline of the screw conveyor (3) extending to the upper hopper (2) is a semicircular structure open at the top.
6. A material collecting device for the bottom of a screw feeder according to claim 5, characterized in that: The guide vibration plate (15) is connected with the inner wall of the upper hopper (2) through a plurality of springs (19), so that the guide vibration plate (15) can move in the horizontal direction, and a vibration rod (18) is connected to the center position of the outer side of the guide vibration plate (15), one end of the vibration rod (18) penetrates through the outer wall of the upper hopper (2) and extends to the outside of the upper hopper (2), and a connecting rod control mechanism is arranged on the outside of the upper hopper (2) for vibrating the guide vibration plate (15) by pressing the vibration rod (18).
7. A material collecting device for the bottom of a screw feeder according to claim 6, characterized in that: The connecting rod control mechanism comprises: A U-shaped piece (5) is fixed to the outer wall of the aggregate hopper (1); A two-section connecting rod (4) adopts a two-section bending structure, and the bending part of the two-section connecting rod (4) is rotatably arranged on the inner side of the U-shaped piece (5) through a pin shaft; A vibration driving ring (12) has a ring structure, and the outer wall of the vibration driving ring (12) is arranged in a continuous undulating structure in the circumferential direction, and the vibration driving ring (12) is fixed below the gear ring (7) so that it can rotate with the gear ring (7); A tension spring (16) has one end fixed to the outer wall of the aggregate hopper (1) and the other end connected to the inner side of the two-section connecting rod (4) above the U-shaped piece (5); The bottom of the two-section connecting rod (4) is provided with a hammer (17), and the hammer (17) is always in contact with one end of the vibration rod (18), and the top of the two-section connecting rod (4) is always in contact with the surface of the vibration driving ring (12).
8. A material collecting device for the bottom of a screw feeder according to claim 7, characterized in that The top of the two-section connecting rod (4) is provided with a rotating column (20) on the side in contact with the vibration driving ring (12).