A raw material feeding device for producing plastic products
By designing the dredging components in the loading device for plastic products, using the motor to drive the rotation of the agitating shaft and the up and down movement of the mounting ring and inserting rod, the problem of raw material blockage is solved, the effect of continuous discharge is achieved, and the production efficiency is improved.
Patent Information
- Application Number
- CN202421442608.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-24
- Publication Date
- 2025-04-01
- Estimated Expiration
- 2034-06-24
AI Technical Summary
During the production process of plastic products, raw materials are easily blocked in the upper hopper of the injection molding machine, resulting in production interruption.
A raw material feeding device including a hopper and a communication pipe is designed, and a dredging assembly is provided inside. The dredging assembly consists of a mounting rod, a motor, agitating shaft, a reciprocating screw, a mounting ring and a plug rod. The agitating shaft is driven by the motor to rotate, and it is combined with the up and down reciprocating installation ring and plug rod to avoid clogging of raw materials.
It effectively avoids the blockage of raw materials inside the hopper, ensures a continuous discharge process, and improves the continuity and efficiency of production.
Smart Images

Figure CN222697769U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of plastic products, and more specifically to a raw material feeding device for producing plastic products. Background Art
[0002] When plastic products are produced, raw materials need to be fed into the injection molding machine through the hopper on the top of the injection molding machine. During the continuous feeding process, the raw materials are easily blocked at the bottom of the hopper. Therefore, it is urgent to design a raw material feeding device for the production of plastic products. Utility Model Content
[0003] In order to overcome the above-mentioned defects of the prior art, the utility model provides a raw material feeding device for producing plastic products to solve the problems existing in the above-mentioned background technology.
[0004] The utility model provides the following technical scheme: a raw material feeding device for the production of plastic products, comprising a device body, the device body comprising a feed hopper and a connecting pipe, a dredging component is arranged inside the feed hopper, the dredging component comprises a mounting rod, the mounting rod is fixedly mounted on the inner wall of the feed hopper, a motor is arranged at the bottom end of the mounting rod, a stirring shaft is fixedly mounted on the output end of the motor, a reciprocating screw is fixedly mounted on the bottom end of the stirring shaft, a limiting block is fixedly mounted on the bottom end of the reciprocating screw, a threaded sleeve is threadedly mounted on the outer side of the reciprocating screw, a mounting ring is fixedly mounted on the bottom end of the threaded sleeve, the mounting ring is slidably sleeved on the outside of the reciprocating screw and the limiting block, a plug rod is fixedly mounted on the bottom end of the mounting ring, and the plug rod is distributed at the bottom end of the mounting ring in a ring array. When in use, the stirring shaft is driven to rotate by the motor, and the raw materials inside the feed hopper are pushed by the external blades of the stirring shaft, and the mounting ring and the plug rod that reciprocate up and down can be used to prevent the upper feed hopper from being blocked during continuous material discharge.
[0005] Furthermore, guide rods are fixedly installed on both sides of the bottom end of the inner wall of the upper hopper, and guide frames are fixedly installed on both sides of the threaded sleeve. The guide frames are movably penetrated by the guide rods. During the up and down movement of the threaded sleeve, the guide frames move up and down outside the guide rods to provide guidance for the movement of the threaded sleeve.
[0006] Furthermore, a protection bin is fixedly mounted on the bottom end of the mounting rod, the motor is fixedly mounted inside the protection bin, and a through hole is opened at the bottom end of the protection bin through which the stirring shaft rotates, so that the motor is protected by the protection bin.
[0007] Furthermore, a connecting plate is fixedly installed on the outer side of the stirring shaft, a fixing plate is fixedly installed on the end of the connecting plate away from the stirring shaft, and a scraper is provided on the side of the fixing plate away from the connecting plate, so that the inner wall of the upper hopper is cleaned by rolling and fitting the scraper and the inner wall of the upper hopper.
[0008] Furthermore, a stud is installed on one side of the fixed plate through a threaded movement, and the penetrating end of the stud is connected to the scraper through a bearing. When cleaning is not needed, the stud is rotated to make the scraper move closer to the fixed plate, thereby preventing the scraper from being in contact with the inner wall of the upper hopper for a long time.
[0009] Furthermore, a stabilizing bar is fixedly mounted on one side of the scraper close to the fixed plate, and the stabilizing bar movably penetrates the fixed plate to provide guidance for the movement of the scraper.
[0010] Technical effects and advantages of the utility model:
[0011] 1. The utility model is provided with a dredging component. This design brings about that when in use, the stirring shaft is driven to rotate by the motor, and the external blades of the stirring shaft push the raw materials inside the upper hopper. In combination with the reciprocating mounting ring and the insert rod, the upper hopper can be prevented from being blocked during the continuous discharge of materials.
[0012] 2. The utility model adopts this design. Before the driving motor works, the stud can be held and rotated to make the scraper move away from the fixed plate until the fixed plate and the inner wall of the upper hopper are in contact. During the rotation of the stirring shaft, the scraper and the inner wall of the upper hopper can be rolled and fitted to clean the inner wall of the upper hopper. After the cleaning is completed, the stud is rotated to prevent the scraper from always contacting the inner wall of the upper hopper. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a schematic front view cross-sectional diagram of the structure of the present utility model.
[0014] Figure 2 It is a front cross-sectional schematic diagram of the structure of the utility model in use state.
[0015] Figure 3 It is a front cross-sectional schematic diagram of the installation rod structure of the utility model.
[0016] Figure 4 It is a front view cross-sectional schematic diagram of the reciprocating screw structure of the utility model.
[0017] The accompanying drawings are marked as follows: 100, device body; 110, upper hopper; 111, connecting pipe; 200, dredging assembly; 210, mounting rod; 211, motor; 212, stirring shaft; 213, protective bin; 214, reciprocating screw; 215, limit block; 216, threaded sleeve; 217, mounting ring; 218, plug rod; 219, guide rod; 220, connecting plate; 221, fixing plate; 222, stud; 223, stabilizing rod; 224, guide frame; 225, scraper. DETAILED DESCRIPTION
[0018] The technical solution of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the present invention.
[0019] Example 1: Reference Figure 1-4 The utility model provides a raw material feeding device for the production of plastic products, including a device body 100, the device body 100 includes a hopper 110 and a connecting pipe 111, a dredging assembly 200 is arranged inside the hopper 110, the dredging assembly 200 includes a mounting rod 210, the mounting rod 210 is fixedly mounted on the inner wall of the hopper 110, a motor 211 is arranged at the bottom end of the mounting rod 210, a stirring shaft 212 is fixedly mounted at the output end of the motor 211, a reciprocating screw 214 is fixedly mounted at the bottom end of the stirring shaft 212, a limiting block 215 is fixedly mounted at the bottom end of the reciprocating screw 214, a threaded sleeve 216 is threadedly mounted on the outer side of the reciprocating screw 214, and the threaded sleeve 216 is threadedly mounted on the outer side of the reciprocating screw 214. A mounting ring 217 is fixedly installed at the bottom end of 16, and the mounting ring 217 is slidably sleeved on the outside of the reciprocating screw 214 and the limit block 215, and an insertion rod 218 is fixedly installed at the bottom end of the mounting ring 217. The insertion rods 218 are distributed in a circular array at the bottom end of the mounting ring 217, and guide rods 219 are fixedly installed on both sides of the bottom end of the inner wall of the upper hopper 110, and guide frames 224 are fixedly installed on both sides of the threaded sleeve 216. The guide frames 224 are movably penetrated by the guide rods 219. A protective bin 213 is fixedly installed at the bottom end of the mounting rod 210, and a motor 211 is fixedly installed inside the protective bin 213. The bottom end of the protective bin 213 is provided with a through hole that is rotated and penetrated by the stirring shaft 212.
[0020] The working principle of the first embodiment of the utility model is as follows: when in use, the driving motor 211 is driven to rotate, and the stirring blades outside the stirring shaft 212 push the raw materials inside the upper hopper 110 to move, and when the stirring shaft 212 rotates, the reciprocating screw 214 rotates accordingly, and the threaded engagement between the threaded sleeve 216 and the reciprocating screw 214 makes the threaded sleeve 216 reciprocate up and down outside the reciprocating screw 214, and makes the inserted rod 218 at the bottom of the mounting ring 217 reciprocate up and down inside the connecting pipe 111, which can prevent the raw materials from accumulating and clogging inside the connecting pipe 111.
[0021] Embodiment 2:
[0022] The difference between the second embodiment and the first embodiment is that: a connecting plate 220 is fixedly installed on the outer side of the stirring shaft 212, a fixing plate 221 is fixedly installed on the end of the connecting plate 220 away from the stirring shaft 212, a scraper 225 is provided on the side of the fixing plate 221 away from the connecting plate 220, a stud 222 is installed through one side of the fixing plate 221 through a thread, the through end of the stud 222 is connected to the scraper 225 through a bearing, and a stabilizing rod 223 is fixedly installed on the side of the scraper 225 close to the fixing plate 221 The stabilizing rod 223 movably penetrates the fixed plate 221. Before the driving motor 211 works, the stud 222 can be held and rotated to make the scraper 225 move away from the fixed plate 221 until the fixed plate 221 and the inner wall of the upper hopper 110 are in contact with each other. During the rotation of the stirring shaft 212, the scraper 225 and the inner wall of the upper hopper 110 can be rolled and fitted to clean the inner wall of the upper hopper 110. After the cleaning is completed, the stud 222 is rotated to prevent the scraper 225 from always contacting the inner wall of the upper hopper 110.
[0023] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A raw material feeding device for producing plastic products, comprising a device body (100), wherein the device body (100) comprises a feeding hopper (110) and a connecting pipe (111), characterized in that: A dredging assembly (200) is provided inside the upper hopper (110), and the dredging assembly (200) comprises a mounting rod (210), the mounting rod (210) is fixedly mounted on the inner wall of the upper hopper (110), a motor (211) is provided at the bottom end of the mounting rod (210), a stirring shaft (212) is fixedly mounted at the output end of the motor (211), a reciprocating screw (214) is fixedly mounted at the bottom end of the stirring shaft (212), and a reciprocating screw (214) is fixedly mounted at the bottom end of the reciprocating screw (214). A limit block (215) is fixedly installed at the end, a threaded sleeve (216) is threadedly installed on the outer side of the reciprocating screw (214), a mounting ring (217) is fixedly installed at the bottom end of the threaded sleeve (216), the mounting ring (217) is slidably sleeved on the outside of the reciprocating screw (214) and the limit block (215), and an insertion rod (218) is fixedly installed at the bottom end of the mounting ring (217), and the insertion rods (218) are distributed in a ring array at the bottom end of the mounting ring (217).
2. A raw material feeding device for plastic product production according to claim 1, characterized in that: Guide rods (219) are fixedly installed on both sides of the bottom end of the inner wall of the upper hopper (110), and guide frames (224) are fixedly installed on both sides of the threaded sleeve (216), and the guide frames (224) are movably penetrated by the guide rods (219).
3. A raw material feeding device for plastic product production according to claim 1, characterized in that: A protection bin (213) is fixedly mounted on the bottom end of the mounting rod (210), the motor (211) is fixedly mounted inside the protection bin (213), and a through hole is provided at the bottom end of the protection bin (213) through which the stirring shaft (212) rotates.
4. A raw material feeding device for plastic product production according to claim 1, characterized in that: A connecting plate (220) is fixedly mounted on the outer side of the stirring shaft (212); a fixing plate (221) is fixedly mounted on the end of the connecting plate (220) away from the stirring shaft (212); and a scraper (225) is provided on the side of the fixing plate (221) away from the connecting plate (220).
5. A raw material feeding device for plastic product production according to claim 4, characterized in that: A stud (222) is installed on one side of the fixing plate (221) through a threaded connection, and a through end of the stud (222) is connected to a scraper (225) through a bearing.
6. A raw material feeding device for plastic product production according to claim 4, characterized in that: A stabilizing rod (223) is fixedly mounted on one side of the scraper (225) close to the fixing plate (221), and the stabilizing rod (223) movably penetrates the fixing plate (221).