Extrusion device for plastic product production and production process

By designing an electric push rod and scraper structure in the production of plastic products, the problem of plastic raw materials sticking to the feed hopper is solved, automatic cleaning of the discharge pipe is achieved, and production efficiency is improved.

CN120620604AInactive Publication Date: 2025-09-12JIACHU TECHNOLOGY (JIANGSU) CO LTD
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Patent Information

Application Number
CN202510945221.4
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-07-09
Publication Date
2025-09-12
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

In the production of plastic products, plastic raw materials tend to adhere to the inner wall of the discharge end after melting in the feed hopper, making cleaning inconvenient.

Method used

An extrusion device structure including an electric push rod, a funnel body, a scraper and a sealing plate was designed. The funnel body was lifted by the electric push rod, and the scraper scraped off the material attached to the inner wall of the discharge pipe. Automatic cleaning was achieved through the cooperation of the sealing plate and the auxiliary plate.

Benefits of technology

It can realize the convenient and efficient cleaning of materials attached to the inner wall of the discharge pipe, avoid the difficulty of cleaning and improve production efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to the technical field of plastic product production, in particular to an extrusion device for plastic product production and a production technology.The extrusion device is characterized in that a discharging pipe is arranged on the surface of an extrusion device body, a containing opening is formed in the side face of a funnel body, a sealing block is arranged in the containing opening, a bottom plate is arranged on the surface of the funnel body, and a scraping plate is arranged on the end face of a supporting rod; a discharging opening is formed in the side face of the discharging pipe, an auxiliary plate is connected to the side face of the discharging opening through a hinge, and a sealing plate is inserted into the discharging opening; the plastic extrusion device has the beneficial effects that firstly, plastic raw materials can be poured into the funnel body and then fed into the extrusion device body through the discharging pipe to be extruded, and when the inner wall of the discharging pipe needs to be cleaned, firstly, a sealing block can be taken out of the funnel body, then a sealing plate can be pulled out, and an auxiliary plate is rotated; therefore, materials scraped by the scraping plate can be pushed out of the discharging opening, and workers can conveniently clean the inner wall of the discharging pipe.
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Description

Technical Field

[0001] The present invention relates to the technical field of plastic product production, in particular to an extrusion device and a production process for producing plastic products. Background Art

[0002] Plastic products are a general term for household and industrial products made primarily from plastic. This includes products made using all processes, including injection molding and blister molding. Plastic is a type of synthetic polymer material with plasticity. Extrusion equipment is a crucial component in the production of plastic products.

[0003] China Patent Network CN211074632U discloses a plastic extrusion device, the key points of which are: it includes a barrel, a screw and a hopper, the screw rotates in the barrel with a horizontal axis, the hopper is located at the top of the barrel, the hopper is slidably arranged on the top of the barrel, the hopper slides along the length direction of the barrel, the top of the barrel for the hopper to slide is connected to the hopper, the top of the barrel is provided with a closure member that can slidably close the top of the barrel, and the closure member slides synchronously with the hopper. A plastic extrusion device of the utility model can be adapted according to different plastic raw materials to avoid the plastic raw materials from being in the barrel for too long or too short a time, which may cause plastic decomposition, burning or difficulty in shaping, while making the cost controllable.

[0004] However, in the above technical solution, when the plastic raw materials are melted in the feed hopper and then enter the barrel, part of the plastic raw materials will adhere to the inner wall of the discharge end of the feed hopper, making subsequent cleaning inconvenience. For this reason, the present invention proposes an extrusion device and production process for the production of plastic products to solve the above problems. Summary of the Invention

[0005] The object of the present invention is to provide an extrusion device and a production process for producing plastic products, so as to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned object, the present invention provides the following technical solution: an extrusion device for producing plastic products, comprising: an extrusion device body, a discharge pipe provided on the surface of the extrusion device body, an electric push rod installed on the side of the discharge pipe, a funnel body provided at the lifting end of the electric push rod, a placement opening provided on the side of the funnel body, a sealing block provided in the placement opening, a bottom plate provided on the surface of the funnel body, a mounting plate provided on the surface of the bottom plate, a protective frame provided at the bottom of the mounting plate, and a drive motor provided in the protective frame; A rotating rod is provided on the surface of the rotating rod, a support rod is provided on the end face of the support rod, a scraper is provided on the side of the discharge pipe, a discharge port is provided, an auxiliary plate is connected to the side of the discharge port by a hinge, and a sealing plate is inserted into the discharge port.

[0007] Preferably, a positioning ring is provided at the bottom of the funnel body, and the lifting end of the electric push rod is inserted into the positioning ring for fixation. Two groups of electric push rods are provided, and the two groups of electric push rods are symmetrically distributed about the discharge pipe. The sealing block is fixedly connected to the placement port by bolts to seal the placement port. The bottom plate is fixedly connected to the surface of the funnel body, and a through hole is opened on the surface of the bottom plate. A positioning bearing is provided in the through hole. The rotating rod is fixedly connected to the inner ring surface of the positioning bearing, and the protective frame covers the drive motor.

[0008] Preferably, a fixed ring is provided on the surface of the rotating rod, and a stirring plate is provided on the side of the fixed ring. There are multiple groups of stirring plates, and the multiple groups of stirring plates are fixedly connected to the side of the fixed ring. The scraper contacts the inner wall surface of the discharge pipe, and the scraper is a square plate structure.

[0009] Preferably, a movable opening is provided on the side of the auxiliary plate, a limit plate is inserted into the movable opening, a positioning plate is provided at one end of the limit plate, a limit spring is provided on the inner side of the positioning plate, one end of the limit spring is fixedly connected to the inner side of the positioning plate, and the other end of the limit spring is fixedly connected to the surface of the auxiliary plate, a positioning opening is provided on the side of the sealing plate, one end of the limit plate is inserted into the positioning opening, a placement groove is provided on the side of the discharge port, two groups of placement grooves are provided, and the two groups of placement grooves are symmetrically distributed about the discharge port.

[0010] Preferably, a positioning card is provided on the side of the sealing plate, and there are two groups of positioning card plates, which are symmetrically distributed about the sealing plate. The positioning card is inserted into the placement groove, and an auxiliary spring is provided on the side of the placement groove. One end of the auxiliary spring is fixedly connected to the side of the placement groove, and the other end of the auxiliary spring is fixedly connected to the side of the push plate. The push plate has an "L"-shaped plate structure, and a sealing groove is provided on the side of the sealing plate. A sealing gasket is provided in the sealing groove. There are two groups of sealing grooves, and the two groups of sealing grooves are symmetrically distributed about the sealing plate.

[0011] A production process for an extrusion device for producing plastic products, comprising the following steps: Preferably, the driving motor is first started to cooperate with the positioning bearing to drive the rotating rod to rotate, so that the rotating rod drives the stirring plate to rotate, and the plastic raw materials are stirred by the stirring plate to prevent the raw materials from accumulating in the funnel body, so that the raw materials can be conveniently fed into the extrusion device body from the discharge pipe.

[0012] Preferably, when the rotating rod rotates, the support rod and the scraper can be driven to rotate, and the rotation of the scraper can be used to scrape off the raw materials attached to the inner wall of the discharge pipe to facilitate discharge.

[0013] Preferably, when it is necessary to remove the raw materials attached to the inner wall of the discharge pipe, the sealing block is pulled out from the placement port to facilitate operation of the sealing plate and the auxiliary plate, and the electric push rod lifts the funnel body to facilitate observation inside the discharge pipe.

[0014] Preferably, the limiting plate is pulled out so that one end of the limiting plate is drawn out from the positioning opening, so that the limiting plate loses its limit on the sealing plate, and then the auxiliary plate is rotated in conjunction with the hinge.

[0015] Preferably, the sealing plate is pulled out from the discharge port, so that the sealing plate loses its sealing function on the discharge port, and the material scraped by the scraper is discharged to the outside through the discharge port.

[0016] Compared with the prior art, the present invention has the following beneficial effects: The present invention proposes an extrusion device and production process for the production of plastic products. When in use, the plastic raw material can first be poured into a funnel body, and then sent into the extrusion device body for extrusion through a discharge pipe. When the inner wall of the discharge pipe needs to be cleaned, the sealing block can first be removed from the funnel body, and then the sealing plate can be pulled out and the auxiliary plate can be rotated, so that the material scraped by the scraper can be pushed out from the discharge port, which makes it convenient for the staff to clean the inner wall of the discharge pipe. BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 It is a schematic diagram of the structure of the present invention; Figure 2 This is a schematic diagram of the structure of the present invention after the sealing block is removed; Figure 3 for Figure 2 A in the middle is an enlarged structural diagram; Figure 4 It is a top view of the structure of the present invention; Figure 5 for Figure 4 The enlarged structural diagram at B in the middle; Figure 6 It is a partial cross-sectional view of the structure of the present invention; Figure 7 for Figure 6 The enlarged structural diagram at C in the middle; Figure 8 This is a schematic diagram of the structure of the feed pipe of the present invention; Figure 9 for Figure 8 The enlarged structural diagram at D in the middle; Figure 10 This is a schematic diagram of the structural sealing plate of the present invention; Figure 11 for Figure 10 Enlarged structural diagram at E in the middle.

[0017] In the figure: 1. Extrusion device body; 2. Discharge pipe; 3. Electric push rod; 4. Funnel body; 5. Placement port; 6. Sealing block; 7. Bottom plate; 8. Mounting plate; 9. Protective frame; 10. Drive motor; 11. Rotating rod; 12. Support rod; 13. Scraper; 14. Discharge port; 15. Hinge; 16. Auxiliary plate; 17. Sealing plate; 18. Positioning ring; 19. Positioning bearing; 20. Fixing ring; 21. Stirring plate; 22. Limit plate; 23. Positioning plate; 24. Limit spring; 25. Positioning port; 26. Placement slot; 27. Positioning clamp; 28. Auxiliary spring; 29. ​​Push plate; 30. Sealing slot; 31. Sealing gasket. DETAILED DESCRIPTION

[0018] In order to clearly and completely describe the objectives and technical solutions of the present invention and make the advantages more clearly understood, the embodiments of the present invention are further described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are part of the embodiments of the present invention, not all of them, and are only used to explain the embodiments of the present invention, not to limit the embodiments of the present invention. All other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0019] Example 1 See also Figures 1 to 11 The present invention provides a technical solution: an extrusion device for producing plastic products, the extrusion device for producing plastic products comprising: an extrusion device body 1, a discharge pipe 2 is provided on the surface of the extrusion device body 1, an electric push rod 3 is installed on the side of the discharge pipe 2, a funnel body 4 is provided at the lifting end of the electric push rod 3, a placement opening 5 is opened on the side of the funnel body 4, a sealing block 6 is provided in the placement opening 5, a bottom plate 7 is provided on the surface of the funnel body 4, a mounting plate 8 is provided on the surface of the bottom plate 7, a protective frame 9 is provided at the bottom of the mounting plate 8, a driving motor 10 is provided in the protective frame 9; a rotating rod 11, a support rod 12 is provided on the surface of the rotating rod 11, a scraper 13 is provided on the end surface of the support rod 12, a discharge port 14 is opened on the side of the discharge pipe 2, an auxiliary plate 16 is connected to the side of the discharge port 14 by a hinge 15, and a sealing plate 17 is inserted into the discharge port 14; First, the plastic raw material can be poured into the funnel body 4, and then sent into the extrusion device body 1 through the discharge pipe 2 for extrusion. When the inner wall of the discharge pipe 2 needs to be cleaned, the sealing block 6 can be first taken out from the funnel body 4, and then the sealing plate 17 can be pulled out and the auxiliary plate 16 can be rotated, so that the material scraped by the scraper 13 can be pushed out from the discharge port 14, which makes it convenient for the staff to clean the inner wall of the discharge pipe 2.

[0020] In order to facilitate the stirring and discharging of the raw materials, a rotating rod 11 is provided, a positioning ring 18 is provided at the bottom of the funnel body 4, and the lifting end of the electric push rod 3 is inserted into the positioning ring 18 for fixation, and the electric push rod 3 is provided with two groups, and the two groups of electric push rods 3 are symmetrically distributed about the discharge pipe 2, and the sealing block 6 is fixedly connected to the placement port 5 by bolts to seal the placement port 5, and the bottom plate 7 is fixedly connected to the surface of the funnel body 4, and a through hole is opened on the surface of the bottom plate 7, and a positioning bearing 19 is provided in the through hole. The rotating rod 11 is fixedly connected to the inner ring surface of the positioning bearing 19, and the protective frame 9 covers the driving motor 10. A fixing ring 20 is provided on the surface of the rotating rod 11, and a stirring plate 21 is provided on the side of the fixing ring 20. There are multiple groups of stirring plates 21, and multiple groups of stirring plates 21 are fixedly connected to the side of the fixing ring 20. The scraper 13 contacts the inner wall surface of the discharge pipe 2, and the scraper 13 has a square plate structure; When in use, the drive motor 10 can be started to cooperate with the positioning bearing 19 to drive the rotating rod 11 to rotate, so that the stirring plate 21 and the scraper 13 can be rotated at the same time. On the one hand, the material can be conveniently stirred by the rotation of the stirring plate 21 to avoid excessive accumulation of material in the funnel body 4 and causing blockage. Then, the rotation of the scraper 13 can prevent the material from adhering to the inner wall of the discharge pipe 2. In addition, the funnel body 4 can be moved upward by two sets of electric push rods 3 to facilitate observation of the inside of the discharge pipe 2.

[0021] In order to facilitate the cleaning of the material attached to the discharge pipe 2, a sealing plate 17 is provided, a movable port is provided on the side of the auxiliary plate 16, a limit plate 22 is inserted into the movable port, a positioning plate 23 is provided at one end of the limit plate 22, a limit spring 24 is provided on the inner side of the positioning plate 23, one end of the limit spring 24 is fixedly connected to the inner side of the positioning plate 23, and the other end of the limit spring 24 is fixedly connected to the surface of the auxiliary plate 16, a positioning port 25 is provided on the side of the sealing plate 17, one end of the limit plate 22 is inserted into the positioning port 25, a placement groove 26 is provided on the side of the discharge port 14, and two groups of placement grooves 26 are provided. The two groups of placement grooves 26 are about the discharge port 1 4 symmetrically distributed, a positioning card plate 27 is provided on the side of the sealing plate 17, and two groups of positioning card plates 27 are provided. The two groups of positioning card plates 27 are symmetrically distributed about the sealing plate 17. The positioning card plate 27 is inserted into the placement groove 26. An auxiliary spring 28 is provided on the side of the placement groove 26. One end of the auxiliary spring 28 is fixedly connected to the side of the placement groove 26, and the other end of the auxiliary spring 28 is fixedly connected to the side of the push plate 29. The push plate 29 has an "L"-shaped plate structure. A sealing groove 30 is opened on the side of the sealing plate 17, and a sealing gasket 31 is provided in the sealing groove 30. There are two groups of sealing grooves 30, and the two groups of sealing grooves 30 are symmetrically distributed about the sealing plate 17; During use, the limiting plate 22 can be first pulled out of the positioning port 25, thereby losing the limiting position of the sealing plate 17, and then the sealing plate 17 can be pulled out of the discharge port 14, so that the material scraped by the scraper 13 can be discharged from the discharge port 14. After the sealing plate 17 is pulled out, the elastic force of the auxiliary spring 28 can be used to reset the push plate 29, so that the push plate 29 can cover the placement groove 26 to prevent the material from entering the placement groove 26. When the material enters the placement groove 26, the material in the placement groove 26 can be pushed out and cleaned by pushing the push plate 29. When installing, the sealing plate 17 can cooperate with the setting of the sealing gasket 31 to increase the sealing of the sealing plate 17 to the discharge port 14. The setting of the auxiliary plate 16 can limit the sealing plate 17 on the one hand, and facilitate the filling of the discharge port 14 on the other hand.

[0022] Example 2, based on Example 1, proposes a production process of an extrusion device for producing plastic products, comprising the following steps: Equipment starts the unloading stage: start the drive motor 10 and cooperate with the positioning bearing 19 to drive the rotating rod 11 to rotate, so that the rotating rod 11 drives the stirring plate 21 to rotate, and the stirring plate 21 is used to stir the plastic raw materials to prevent the raw materials from accumulating in the funnel body 4, so that the raw materials can be easily fed from the unloading pipe 2 into the extruder body 1.

[0023] Material mixing stage: When the rotating rod 11 rotates, it can drive the support rod 12 and the scraper 13 to rotate. The rotation of the scraper 13 is used to scrape off the raw materials attached to the inner wall of the discharge pipe 2 to facilitate discharge. When it is necessary to remove the raw materials attached to the inner wall of the discharge pipe 2, the sealing block 6 is pulled out from the placement port 5 to facilitate the operation of the sealing plate 17 and the auxiliary plate 16. The electric push rod 3 lifts the funnel body 4 to facilitate observation of the inside of the discharge pipe 2.

[0024] Material scraping stage: Pull out the limiting plate 22 so that one end of the limiting plate 22 is pulled out from the positioning port 25, so that the limiting plate 22 loses its limit on the sealing plate 17, and then cooperate with the hinge 15 to rotate the auxiliary plate 16 to pull the sealing plate 17 out of the discharge port 14, so that the sealing plate 17 loses its seal on the discharge port 14, and the material scraped by the scraper 13 is discharged to the outside from the discharge port 14.

[0025] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. An extrusion device for producing plastic products, characterized in that: The extrusion device for producing plastic products comprises: an extrusion device body (1), a discharge pipe (2) is provided on the surface of the extrusion device body (1), an electric push rod (3) is installed on the side of the discharge pipe (2), a funnel body (4) is provided at the lifting end of the electric push rod (3), a placement opening (5) is opened on the side of the funnel body (4), a sealing block (6) is provided in the placement opening (5), a bottom plate (7) is provided on the surface of the funnel body (4), a mounting plate (8) is provided on the surface of the bottom plate (7), a protective frame (9) is provided at the bottom of the mounting plate (8), and a driving motor (10) is provided in the protective frame (9); A rotating rod (11) is provided on the surface of the rotating rod (11), and a scraper (13) is provided on the end surface of the support rod (12). A discharge port (14) is provided on the side of the discharge pipe (2), and an auxiliary plate (16) is connected to the side of the discharge port (14) by a hinge (15). A sealing plate (17) is inserted into the discharge port (14).

2. The extrusion device for producing plastic products according to claim 1, characterized in that: A positioning ring (18) is provided at the bottom of the funnel body (4), and the lifting end of the electric push rod (3) is inserted into the positioning ring (18) for fixing. Two groups of electric push rods (3) are provided, and the two groups of electric push rods (3) are symmetrically distributed about the discharge pipe (2). The sealing block (6) is fixedly connected to the placement opening (5) by bolts to seal the placement opening (5). The bottom plate (7) is fixedly connected to the surface of the funnel body (4), and a through hole is opened on the surface of the bottom plate (7). A positioning bearing (19) is provided in the through hole. The rotating rod (11) is fixedly connected to the inner ring surface of the positioning bearing (19), and the protective frame (9) covers the driving motor (10).

3. The extrusion device for producing plastic products according to claim 1, characterized in that: A fixed ring (20) is provided on the surface of the rotating rod (11), and a stirring plate (21) is provided on the side of the fixed ring (20). The stirring plates (21) are provided in multiple groups, and the multiple groups of stirring plates (21) are fixedly connected to the side of the fixed ring (20). The scraper (13) contacts the inner wall surface of the discharge pipe (2), and the scraper (13) has a square plate structure.

4. The extrusion device for producing plastic products according to claim 1, characterized in that: The auxiliary plate (16) is provided with a movable opening on the side thereof, into which a limiting plate (22) is inserted, a positioning plate (23) is provided at one end of the limiting plate (22), and a limiting spring (24) is provided on the inner side of the positioning plate (23), one end of the limiting spring (24) is fixedly connected to the inner side of the positioning plate (23), and the other end of the limiting spring (24) is fixedly connected to the surface of the auxiliary plate (16), a positioning opening (25) is provided on the side of the sealing plate (17), one end of the limiting plate (22) is inserted into the positioning opening (25), and a placement groove (26) is provided on the side of the discharge port (14), and two groups of placement grooves (26) are provided, and the two groups of placement grooves (26) are symmetrically distributed about the discharge port (14).

5. The extrusion device for producing plastic products according to claim 1, characterized in that: The sealing plate (17) is provided with a positioning card plate (27) on the side thereof. There are two groups of positioning card plates (27) provided. The two groups of positioning card plates (27) are symmetrically distributed with respect to the sealing plate (17). The positioning card plate (27) is inserted into the placement groove (26). An auxiliary spring (28) is provided on the side thereof. One end of the auxiliary spring (28) is fixedly connected to the side of the placement groove (26). The other end of the auxiliary spring (28) is fixedly connected to the side of the push plate (29). The push plate (29) is an "L"-shaped plate structure. A sealing groove (30) is provided on the side thereof. A sealing gasket (31) is provided in the sealing groove (30). There are two groups of sealing grooves (30). The two groups of sealing grooves (30) are symmetrically distributed with respect to the sealing plate (17).

6. A production process for an extrusion device for producing plastic products according to claim 5, characterized in that: The following steps are involved: First, the driving motor (10) is started to cooperate with the positioning bearing (19) to drive the rotating rod (11) to rotate, so that the rotating rod (11) drives the stirring plate (21) to rotate, and the stirring plate (21) is used to stir the plastic raw material to prevent the raw material from accumulating in the funnel body (4), so that the raw material can be easily fed from the discharge pipe (2) into the extruder body (1).

7. The production process of an extrusion device for producing plastic products according to claim 6, characterized in that: When the rotating rod (11) rotates, the supporting rod (12) and the scraper (13) can be driven to rotate, and the rotation of the scraper (13) is utilized to scrape off the raw materials attached to the inner wall of the discharge pipe (2) to facilitate discharge.

8. The production process of an extrusion device for producing plastic products according to claim 7, characterized in that: When it is necessary to remove the raw materials attached to the inner wall of the discharge pipe (2), the sealing block (6) is pulled out from the placement port (5) to facilitate the operation of the sealing plate (17) and the auxiliary plate (16), and the electric push rod (3) lifts the funnel body (4) to facilitate observation of the inside of the discharge pipe (2).

9. The production process of an extrusion device for producing plastic products according to claim 8, characterized in that: The limiting plate (22) is pulled out so that one end of the limiting plate (22) is drawn out from the positioning opening (25), so that the limiting plate (22) loses its position limit on the sealing plate (17), and then the auxiliary plate (16) is rotated in conjunction with the hinge (15).

10. The production process of an extrusion device for producing plastic products according to claim 9, characterized in that: The sealing plate (17) is pulled out from the discharge port (14), so that the sealing plate (17) loses its sealing function on the discharge port (14), and the material scraped by the scraper (13) is discharged to the outside through the discharge port (14).

Citation Information

Patent Citations

  • Plastic extrusion device

    CN211074632U