A feeding device with separable driving output of front helical section
By designing a separable drive spiral conveyor section structure, the problems of discontinuous material conveying and frequent motor start-stop in rubber and plastic production were solved, achieving zero-surplus material output and extended motor life.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- CHANGZHOU ZHONGYI RUBBER&PLASTIC PROD CO LTD
- Filing Date
- 2025-09-03
- Publication Date
- 2026-05-05
AI Technical Summary
Existing rubber and plastic production feeding devices use an integrated screw conveyor structure, which cannot separate material transport into segments. This results in excessive material falling from the output port and frequent motor start-stop cycles that accelerate aging.
Design a feeding device with a detachable front spiral section for drive output. By repeatedly switching between the first and second spiral conveying sections, combined with the cooperation of the drive rod and the hydraulic cylinder, segmented conveying of granular materials and zero-residue output can be achieved.
This technology enables segmented conveying of granular materials without stopping the motor, preventing residual material from falling from the output port and extending the service life of the motor.
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Figure CN120887168B_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the technical field of auxiliary equipment for rubber and plastic production, specifically a feeding device with a detachable front spiral section for drive output. Background Technology
[0002] A feeding device with a detachable front spiral section and drive output is an auxiliary device used in the rubber and plastics production process to store and transport plastic granules, facilitating subsequent processing. It is widely used in the rubber and plastics production industry. However, existing feeding devices mostly use a spiral conveyor structure, which is an integrated structure with strong continuous conveying. This makes it impossible to segment and separate material transport within the conveying pipeline, resulting in excessive material falling from the output port. Furthermore, during intermittent feeding, the drive motor is typically started and stopped frequently, which accelerates motor aging and shortens its lifespan. Therefore, to address these problems, a feeding device with a detachable front spiral section and drive output is proposed. Summary of the Invention
[0003] The purpose of this invention is to provide a feeding device with a detachable front spiral section for driving output in order to solve the above-mentioned problems.
[0004] The present invention achieves the above-mentioned objective through the following technical solution: a feeding device with a detachable front spiral section and a drive output, comprising a first spiral conveying section and a second spiral conveying section located inside a feeding tube, and a drive rod connected to a motor. A first bearing is rotatably mounted on one end of a first round rod located in the middle of the first spiral conveying section, and a first hexagonal hole on the first round rod is inserted into a hexagonal prism section on the drive rod. A hexagonal protrusion at the other end face of the first round rod is inserted into the port of one end of a second hexagonal hole located in the second spiral conveying section by movement. A set of hydraulic cylinders are distributed and installed on the outer ring of the first bearing, and the cylinder body of the hydraulic cylinder is fixedly connected to the inner wall of the feeding tube. The round rod section on the drive rod passes through the interior of the second hexagonal hole.
[0005] Preferably, a first spiral blade is mounted on the surface of the first round rod, and the edge of the first spiral blade slides in contact with the inner wall of the feeding tube.
[0006] Preferably, the end face of the hexagonal protrusion is connected to the first hexagonal hole.
[0007] Preferably, the size of the first hexagonal hole is smaller than that of the second hexagonal hole, and the second hexagonal hole is formed on the second round rod located in the middle of the second spiral conveying section.
[0008] Preferably, a second spiral blade is mounted on the surface of the second round rod, and the edge of the second spiral blade slides in contact with the inner wall of the feeding tube. A second bearing is mounted on one end of the second round rod, and the second bearing is fixedly connected to the inner wall of the feeding tube.
[0009] Preferably, an anti-accumulation conduit is connected to one side of the middle section of the feeding pipe, and the anti-accumulation conduit is located at the separation point between the first spiral conveying section and the second spiral conveying section, and an electric control valve is installed on the anti-accumulation conduit.
[0010] Preferably, a feeding hopper is connected and installed above one end of the feeding pipe, and the feeding hopper is located in the area of the second spiral conveying section.
[0011] Preferably, a discharge pipe is connected and installed below the other end of the feeding pipe, and the discharge pipe is located in the area of the first spiral conveying section.
[0012] Preferably, a discharge spiral blade is installed on the surface of the round rod section, and the discharge spiral blade is in soft contact with the inner wall of the second hexagonal hole.
[0013] The beneficial effects of this invention are:
[0014] The repeated switching between the first and second spiral conveying sections, with the first spiral conveying section always rotating due to the continuously rotating drive rod and the second spiral conveying section being driven, facilitates the conveying of granular materials in the feeding pipe in two different states. This enables the formation of empty segments inside the feeding pipe containing granular materials without stopping the motor, and ensures that no residual material falls from the output port after the segmented material is output.
[0015] By opening the electrically controlled valve on the anti-accumulation guide when the first spiral conveyor section and the second spiral conveyor section separate, the particulate material at the separation point is discharged, thereby clearing the particulate material blocking the second hexagonal hole port and ensuring unobstructed transmission between the second hexagonal hole port and the hexagonal protrusion.
[0016] By rotating the discharge spiral blade located at the round rod section in soft contact inside the second hexagonal hole, particulate material can be prevented from entering the second hexagonal hole, thus avoiding the retention of particulate material inside the second hexagonal hole. Attached Figure Description
[0017] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0018] Figure 1This is a schematic diagram of the overall structure of the present invention;
[0019] Figure 2 This is a schematic diagram of the internal connection structure of the feeding pipe of the present invention;
[0020] Figure 3 This is a schematic diagram of the first spiral conveying section of the present invention;
[0021] Figure 4 This is a schematic diagram of the structure of the second spiral conveying section of the present invention;
[0022] Figure 5 This is a schematic diagram of the drive rod structure of the present invention.
[0023] In the diagram: 1. Feeding pipe; 110. Feed hopper; 120. Discharge pipe; 130. Anti-accumulation guide pipe; 131. Electrically controlled valve; 2. Motor; 3. First spiral conveyor section; 310. First round rod; 311. Hexagonal convex prism; 312. First hexagonal hole; 320. First spiral blade; 4. Second spiral conveyor section; 410. Second round rod; 411. Second hexagonal hole; 420. Second spiral blade; 5. Drive rod; 510. Hexagonal prism section; 520. Round rod section; 521. Discharge spiral blade; 6. First bearing; 7. Hydraulic cylinder; 8. Second bearing. Detailed Implementation
[0024] To make the objectives, features, and advantages of this invention more apparent and understandable, the technical solutions of the embodiments of this invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the embodiments described below are only some embodiments of this invention, and not all embodiments. Based on the embodiments of this invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this invention.
[0025] The technical solution of the present invention will be further described below with reference to the accompanying drawings and specific embodiments.
[0026] In the description of this invention, it should be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.
[0027] Please see Figure 1-5As shown, a feeding device with a separable front spiral section and drive output includes a first spiral conveying section 3 and a second spiral conveying section 4 located inside a feeding pipe 1, and a drive rod 5 connected to a motor 2. A first bearing 6 is rotatably mounted on one end of a first round rod 310 located in the middle of the first spiral conveying section 3, and a first hexagonal hole 312 on the first round rod 310 is inserted into a hexagonal prism section 510 on the drive rod 5. A hexagonal protrusion 311 at the other end face of the first round rod 310 is inserted into the port of one end of a second hexagonal hole 411 located in the second spiral conveying section 4 by movement. A set of hydraulic cylinders 7 are distributed and installed on the outer ring of the first bearing 6, and the cylinder body of the hydraulic cylinder 7 is fixedly connected to the inner wall of the feeding pipe 1. A portion of the round rod section 520 on the drive rod 5 passes into the interior of the second hexagonal hole 411.
[0028] The first spiral blade 320 is mounted on the surface of the first round rod 310, and the edge of the first spiral blade 320 slides in contact with the inner wall of the feeding pipe 1. By utilizing the sliding contact between the edge of the first spiral blade 320 and the inner wall of the feeding pipe 1, the smooth movement of the first spiral blade 320 inside the feeding pipe 1 can be ensured, while avoiding material leakage.
[0029] The end face of the hexagonal protrusion 311 is connected to the first hexagonal hole 312. The size of the first hexagonal hole 312 is smaller than that of the second hexagonal hole 411. The second hexagonal hole 411 is opened on the second round rod 410 located in the middle of the second spiral conveying section 4. Because the size of the first hexagonal hole 312 is smaller than that of the second hexagonal hole 411, it is beneficial for the hexagonal protrusion 311 to be inserted into the second hexagonal hole 411 to carry out the transmission action.
[0030] like Figure 4 As shown, a second spiral blade 420 is mounted on the surface of the second round rod 410, and the edge of the second spiral blade 420 slides in contact with the inner wall of the feeding tube 1. A second bearing 8 is mounted on one end of the second round rod 410, and the second bearing 8 is fixedly connected to the inner wall of the feeding tube 1. Through the second bearing 8, the second round rod 410 can rotate in place or remain in place.
[0031] like Figure 1 As shown, an anti-accumulation conduit 130 is connected to one side of the middle section of the feeding pipe 1, and the anti-accumulation conduit 130 is located at the separation point between the first spiral conveying section 3 and the second spiral conveying section 4. An electric control valve 131 is installed on the anti-accumulation conduit 130. When the first spiral conveying section 3 and the second spiral conveying section 4 are separated, the electric control valve 131 on the anti-accumulation conduit 130 is opened, so that the particulate material at the separation point is discharged, thereby achieving the effect of clearing the particulate material blocked at the port of the second hexagonal hole 411, and ensuring the unobstructed transmission between the port of the second hexagonal hole 411 and the hexagonal protrusion 311.
[0032] A feeding hopper 110 is connected to the upper part of one end of the feeding pipe 1, and the feeding hopper 110 is located in the area of the second spiral conveying section 4. A discharging pipe 120 is connected to the lower part of the other end of the feeding pipe 1, and the discharging pipe 120 is located in the area of the first spiral conveying section 3.
[0033] like Figure 2 and Figure 5 As shown, a discharge spiral blade 521 is installed on the surface of the round rod section 520, and the discharge spiral blade 521 is in soft contact with the inner wall of the second hexagonal hole 411. By rotating the discharge spiral blade 521 located at the round rod section 520 in soft contact inside the second hexagonal hole 411, particulate material can be prevented from entering the interior of the second hexagonal hole 411, thus avoiding the retention of particulate material inside the second hexagonal hole 411.
[0034] Working principle: such as Figure 1 The granular material enters the feed pipe 1 through the feed hopper 110. Under the action of the first spiral conveying section 3 and the second spiral conveying section 4 connected by the drive rod 5 and driven by the motor 2, the granular material can be discharged from the discharge pipe 120.
[0035] Combination Figure 2 , Figure 3 and Figure 4 As shown, when the hydraulic cylinder 7 retracts to separate the first spiral conveying section 3 and the second spiral conveying section 4 connected by the first bearing 6, the hexagonal protrusion 311 separates from the second hexagonal hole 411. At the same time, the first hexagonal hole 312 is always in contact with the hexagonal prism section 510 located on the drive rod 5. Under the constant rotation of the drive rod 5, the first spiral conveying section 3 continues to rotate, so that the granular material in the first spiral blade 320 is continuously output forward until it is discharged from the discharge pipe 120. Meanwhile, the second spiral conveying section 4 stops rotating, so that the granular material in the second spiral blade 420 remains stationary, and the granular material inside the feed hopper 110 also falls into the feed hopper without moving.
[0036] When the granular material in the first spiral blade 320 is completely conveyed, the hydraulic cylinder 7 extends and pushes the connected first spiral conveying section 3 closer to the second spiral conveying section 4 until the hexagonal protrusion 311 at the corresponding end of the first round rod 310 is inserted into the second hexagonal hole 411 again. At the same time, under the rotation of the drive rod 5, the first spiral conveying section 3 and the second spiral conveying section 4 are driven to rotate synchronously again. At this time, the granular material remaining in the second spiral blade 420 is driven to move forward again until the granular material is moved back to fill the first spiral blade 320. The hydraulic cylinder 7 retracts again to separate the first spiral conveying section 3 and the second spiral conveying section 4 connected by the first bearing 6. The first spiral conveying section 3 continues to rotate and continuously outputs the granular material in the first spiral blade 320 forward until it is discharged from the discharge pipe 120.
[0037] The difference compared to existing technologies is:
[0038] 1. By repeatedly switching between the first spiral conveying section 3 and the second spiral conveying section 4, and by continuously rotating the drive rod 5, the first spiral conveying section 3 is always in a rotating state, while the second spiral conveying section 4 is in a driven state. This is beneficial to convey the granular material in the feeding pipe 1 in two states, so as to achieve the function of forming an empty segment inside the feeding pipe where the granular material is located without stopping the motor 2, and there is no residual material falling from the output port after the segmented material is output.
[0039] Second, when the first spiral conveying section 3 and the second spiral conveying section 4 are separated, the electric control valve 131 located on the anti-accumulation guide 130 is opened, so that the particulate material at the separation point is discharged, thereby achieving the effect of clearing the particulate material blocked at the port of the second hexagonal hole 411, and ensuring the unobstructed transmission between the port of the second hexagonal hole 411 and the hexagonal protrusion 311.
[0040] Third, by rotating the discharge spiral blade 521 located at the round rod section 520 in soft contact inside the second hexagonal hole 411, particulate material can be prevented from entering the interior of the second hexagonal hole 411, thus avoiding the retention of particulate material inside the second hexagonal hole 411.
[0041] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the invention can be implemented in other specific forms without departing from its spirit or essential characteristics. Therefore, the embodiments should be considered in all respects as exemplary and non-limiting, and the scope of the invention is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of the equivalent elements of the claims are intended to be included within the present invention. No reference numerals in the claims should be construed as limiting the scope of the claims.
[0042] The above-described embodiments are only used to illustrate the technical solutions of the present invention, and are not intended to limit it. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims
1. A feeding device with a detachable front spiral section and drive output, characterized in that: The system includes a first spiral conveying section (3) and a second spiral conveying section (4) located inside the feeding pipe (1), and a drive rod (5) connected to the motor (2). A first bearing (6) is rotatably mounted on one end of a first round rod (310) located in the middle of the first spiral conveying section (3), and a first hexagonal hole (312) on the first round rod (310) is inserted into a hexagonal prism section (510) on the drive rod (5). A hexagonal protrusion (311) at the other end face of the first round rod (310) is moved to connect with one end of a second hexagonal hole (411) located in the second spiral conveying section (4). The ports are plugged together. A set of oil cylinders (7) are installed on the outer ring of the first bearing (6). The cylinder body of the oil cylinder (7) is fixedly connected to the inner wall of the feed pipe (1). The round rod section (520) on the drive rod (5) passes through the second hexagonal hole (411). The end face of the hexagonal protrusion (311) is connected to the first hexagonal hole (312). The specification of the first hexagonal hole (312) is smaller than that of the second hexagonal hole (411). The second hexagonal hole (411) is opened on the second round rod (410) located in the middle of the second spiral conveying section (4). The second round rod (410) is equipped with a second bearing (8) at one end, and the second bearing (8) is fixedly connected to the inner wall of the feeding pipe (1). The feeding pipe (110) is connected to the upper part of one end of the feeding pipe (1), and the feeding pipe (110) is located in the area of the second spiral conveying section (4). The feeding pipe (120) is connected to the lower part of the other end of the feeding pipe (1), and the feeding pipe (120) is located in the area of the first spiral conveying section (3). When the cylinder (7) contracts and separates the first spiral conveying section (3) and the second spiral conveying section (4) connected by the first bearing (6), the hexagonal protrusion (311) and the second hexagonal hole (411) separate. At the same time, the first hexagonal hole (312) is always in contact with the hexagonal prism section (510) located on the drive rod (5). Under the constant rotation of the drive rod (5), the first spiral conveying section (3) continues to rotate, so that the granular material in the first spiral conveying section (3) continues to be output forward until it is discharged from the discharge pipe (120), while the second spiral conveying section (4) stops rotating.
2. The feeding device with a separable front spiral section and drive output according to claim 1, characterized in that: The first spiral blade (320) is mounted on the surface of the first round rod (310), and the edge of the first spiral blade (320) slides in contact with the inner wall of the feed tube (1).
3. The feeding device with a separable front spiral section and drive output according to claim 1, characterized in that: The second round rod (410) has a second spiral blade (420) mounted on its surface, and the edge of the second spiral blade (420) slides in contact with the inner wall of the feed tube (1).
4. The feeding device with a separable front spiral section and drive output according to claim 1, characterized in that: The feed pipe (1) is connected to an anti-accumulation conduit (130) on one side of the middle section, and the anti-accumulation conduit (130) is located at the separation point between the first spiral conveying section (3) and the second spiral conveying section (4). An electric control valve (131) is installed on the anti-accumulation conduit (130).
5. A feeding device with a separable front spiral section and drive output according to claim 1, characterized in that: The circular rod section (520) is equipped with a discharge spiral blade (521), and the discharge spiral blade (521) is in soft contact with the inner wall of the second hexagonal hole (411).
Citation Information
Patent Citations
Spiral conveyor and mixing station
CN104670825A
Stretch type grain-discharging auger
JP2011109990A