Extrusion equipment for plastic product production

Abstract

The utility model relates to the technical field of plastic production, in particular to extrusion equipment for plastic product production, which comprises an extrusion barrel, an auger mechanism is arranged in the extrusion barrel, a connecting mechanism is arranged at the discharge end of the extrusion barrel, and an extrusion head is inserted into the outer end of the connecting mechanism. The plastic extrusion head has the beneficial effects that the plastic extrusion head can be detachably mounted, and the plastic extrusion head with different discharge grooves can be conveniently changed and used, so that different plastic discharge shapes can be obtained; and at the end of plastic discharging, along with rotation of the rotating shaft and the spiral blades, the scraping strips scrape and clean the inner surface of the extrusion barrel, the situation that the plastic adheres to the inner wall of the extrusion barrel is reduced, and the scraping strips can be detached, replaced and cleaned.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic production, in particular to an extrusion device for plastic product production. Background Technique

[0002] Plastic products are a general term for daily necessities, industrial products, etc. processed mainly with plastics as raw materials. It includes products processed by all processes such as injection molding and thermoforming with plastics as raw materials. Plastics are a type of synthetic polymer material with plasticity.

[0003] When plastic products are produced, an extrusion device is needed to shape plastic raw materials.

[0004] For example, the Chinese patent publication number "CN219405327U" in the prior art provides an extrusion device for plastic product production, including an extrusion barrel: an electric push rod II is fixedly connected to the inner side of the extrusion barrel, a push plate is fixedly connected to the outer end of the electric push rod II, an extrusion pipe is fixedly connected to the right side of the extrusion barrel, a connection frame is fixedly connected to the outer side of the extrusion barrel, a fixed box is fixedly connected to the upper side of the connection frame, and a feed hole is opened on the upper side of the fixed box.

[0005] This device is provided with a placement plate and a magnetic attraction plate, which is convenient for the placement plate to adsorb metal scraps in plastic raw materials. At the same time, through the fixed block, the first rotating rod, the second rotating rod, the gear and the conveyor belt, it is convenient for the processed raw materials to quickly fall into the extrusion barrel, and the placement plate is controlled by a motor to return to its original position, avoiding some metal scraps in the placement plate from falling into the extrusion barrel and affecting the extrusion effect of plastic products.

[0006] For the existing extrusion device for plastic product production, at the discharging part of the extrusion device, the discharging shape is relatively fixed, not convenient to change, not convenient to disassemble and replace different extrusion heads. Moreover, on the inner surface of the extrusion barrel, at the end of discharging, a relatively large amount of plastic will adhere and remain on its surface, and it cannot be scraped and disassembled for cleaning. Content of the Utility Model

[0007] The purpose of the utility model is to solve the shortcomings in the prior art that at the discharging part of the extrusion device, the discharging shape is relatively fixed, not convenient to change, and not convenient to disassemble and replace different extrusion heads, and to propose an extrusion device for plastic product production.

[0008] To achieve the above purpose, the utility model provides the following technical solutions:

[0009] Design an extrusion equipment for plastic product production, including an extrusion barrel. A screw conveyor mechanism is arranged inside the extrusion barrel. A connection mechanism is arranged at the discharge end of the extrusion barrel. The outer end of the connection mechanism is inserted with an extrusion head. The screw conveyor mechanism includes a rotating shaft and a spiral blade, which are used for stirring and mixing and pushing out plastics. The connection mechanism includes a first connecting plate, a second connecting plate and a connecting cylinder. The first connecting plate is fixed at the outer end of the extrusion barrel, and a connecting rod is connected between the first connecting plate and the second connecting plate. The connecting cylinder is fixed at the outer end of the second connecting plate. A sealing sleeve is bonded to the surface of the extrusion head. The inner end of the extrusion head and the sealing sleeve are tightly inserted into the inside of the connecting cylinder. A positioning groove is opened at the top end of the extrusion head, and a plugging groove is opened at the top end of the connecting cylinder. A positioning pin passes through the inside of the plugging groove, and the bottom end of the positioning pin is inserted into the positioning groove. A first nut is connected to the surface of the extrusion head and near the outer end of the connecting cylinder.

[0010] Further, a first connection hole is opened on the surface of the first connecting plate, and a second connection hole is opened on the surface of the second connecting plate. The connecting rod slides through the first connection hole and the second connection hole. Both ends of the connecting rod are connected with second nuts. A first sealing gasket is bonded between the first connecting plate and the second connecting plate. Both the first connecting plate and the second connecting plate are of flange type structures.

[0011] Further, the extrusion head is of a cylindrical structure, and the outer surface is of a threaded surface structure. A discharge groove is arranged in the middle of the extrusion head. The extrusion head slides into the inside of the connecting cylinder. The positioning groove and the plugging groove are vertically aligned. The positioning pin is of a cylindrical structure and is vertically arranged.

[0012] Further, the first nut is in threaded fit connection with the outer surface of the extrusion head. A second sealing gasket is bonded to the side surface of the first nut. The second sealing gasket tightly abuts against the outer end of the connecting cylinder.

[0013] Further, the spiral blade is fixed on the surface of the rotating shaft. The rotating shaft rotates and is inserted into the inside of the extrusion barrel. A motor is installed at the outer end of the rotating shaft. A feed pipe is arranged at the top end of the extrusion barrel and near the motor position.

[0014] Further, an installation sleeve is arranged in the middle of the first connecting plate. A reinforcing frame is fixed between the outer side of the installation sleeve and the middle of the first connecting plate. The outer end of the rotating shaft rotates and is inserted into the installation sleeve. The reinforcing frame is of a cross-shaped structure.

[0015] Further, installation strips are fixed on both sides of the spiral blade. Installation grooves are opened in the installation strips. Scratching strips are bonded and installed in the installation grooves. The outer sides of the scratching strips are in scratching contact with the inner surface of the extrusion barrel.

[0016] Furthermore, the installation strip is of a long strip structure, the cross-section of the installation groove is of a U-shaped structure, the outer end of the scraping strip protrudes out of the installation groove, and the scraping strip is made of a high-temperature resistant material and is of a long strip structure.

[0017] An extrusion equipment for plastic product production proposed by the present utility model has the beneficial effects that:

[0018] 1. In the present utility model, a first connecting plate is fixed at the outer end of the extrusion barrel, and the second connecting plate is detachably and tightly connected to the first connecting plate through a connecting rod. The extrusion head is inserted and connected to the second connecting plate through a connecting cylinder, and is positioned by inserting a positioning pin into a positioning groove. At the same time, a second sealing gasket and a first nut are used for tight anti-leakage connection. In this way, the extrusion head can be detachably installed, and it is convenient to change and use extrusion heads with different discharge grooves to obtain different plastic discharge shapes.

[0019] 2. Inside the extrusion barrel of the present utility model, a rotating shaft and a spiral blade are arranged through an installation sleeve, a first connecting plate and a reinforcing frame, and installation strips are fixedly installed on both sides of the spiral blade. A scraping strip is bonded in the installation groove inside the installation strip. Therefore, at the end of plastic discharging, as the rotating shaft and the spiral blade rotate, the scraping strip scrapes and cleans the inner surface of the extrusion barrel, reducing the adhesion of plastic to the inner wall of the extrusion barrel. Moreover, the scraping strip can be detachably replaced and cleaned. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0021] Figure 2 is of the present utility model Figure 1 schematic diagram of the connection mechanism and the extrusion head part;

[0022] Figure 3 is of the present utility model Figure 1 schematic diagram of the second connecting plate part;

[0023] Figure 4 is of the present utility model Figure 1 schematic diagram of the extrusion head part;

[0024] Figure 5 is of the present utility model Figure 1 schematic diagram of the first connecting plate and the installation sleeve part;

[0025] Figure 6 is of the present utility model Figure 1 schematic diagram of the rotating shaft, the installation sleeve and the reinforcing frame part;

[0026] Figure 7 is of the present utility model Figure 6 schematic diagram of the spiral blade and the installation strip part;

[0027] Figure 8 For the mounting strip part of the present utility model Figure 7 Schematic diagram;

[0028] Figure 9 For the mounting strip and scraping strip parts of the present utility model Figure 8 Schematic diagram.

[0029] In the figure: 1, extrusion barrel; 2, motor; 3, feed pipe; 4, first connecting plate; 5, second connecting plate; 6, connecting cylinder; 7, extrusion head; 8, first nut; 9, second gasket; 10, discharge groove; 11, positioning pin; 12, connecting rod; 13, second nut; 14, sealing sleeve; 15, positioning groove; 16, mounting groove; 17, first gasket; 18, second connection hole; 19, insertion slot; 20, first connection hole; 21, reinforcement frame; 22, mounting sleeve; 23, rotating shaft; 24, mounting strip; 25, spiral blade; 26, scraping strip. Specific embodiments

[0030] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments.

[0031] Embodiment 1

[0032] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 and Figure 9 , a plastic product production extrusion device shown in the figure, including an extrusion barrel 1, a screw conveyor mechanism is arranged inside the extrusion barrel 1, a connection mechanism is arranged at the discharge end of the extrusion barrel 1, and an extrusion head 7 is inserted at the outer end of the connection mechanism.

[0033] The screw conveyor mechanism includes a rotating shaft 23 and a spiral blade 25, and is used for stirring, mixing and pushing out plastics.

[0034] The connection mechanism includes a first connecting plate 4, a second connecting plate 5 and a connecting cylinder 6. The first connecting plate 4 is fixed at the outer end of the extrusion barrel 1, and a connecting rod 12 is connected between the first connecting plate 4 and the second connecting plate 5. The connecting cylinder 6 is fixed at the outer end of the second connecting plate 5.

[0035] A sealing sleeve 14 is bonded to the surface of the material extrusion head 7. The inner end of the material extrusion head 7 and the sealing sleeve 14 are closely inserted into the interior of the connecting cylinder 6. A positioning groove 15 is formed at the top end of the material extrusion head 7, and a plugging groove 19 is formed at the top end of the connecting cylinder 6. A positioning pin 11 passes through the interior of the plugging groove 19, and the bottom end of the positioning pin 11 is inserted into the positioning groove 15. A first nut 8 is connected to the surface of the material extrusion head 7 and near the outer end of the connecting cylinder 6.

[0036] A first connecting plate 4 is fixed to the outer end of the material extrusion cylinder 1. The second connecting plate 5 is detachably and tightly connected to the first connecting plate 4 through a connecting rod 12. The material extrusion head 7 is plugged and connected to the second connecting plate 5 through a connecting cylinder 6, and positioning is set by inserting the positioning pin 11 into the positioning groove 15. At the same time, a second sealing pad 9 and a first nut 8 are used for tight anti-leakage connection. In this way, the material extrusion head 7 can be detachably installed, and it is convenient to change and use the material extrusion head 7 with different discharge grooves 10 to obtain different plastic discharge shapes.

[0037] A first connection hole 20 is formed on the surface of the first connecting plate 4, and a second connection hole 18 is formed on the surface of the second connecting plate 5. The connecting rod 12 slidably passes through the first connection hole 20 and the second connection hole 18. Both ends of the connecting rod 12 are connected with second nuts 13. A first sealing pad 17 is bonded between the first connecting plate 4 and the second connecting plate 5. Both the first connecting plate 4 and the second connecting plate 5 are of flange-type structures.

[0038] The material extrusion head 7 is of a cylindrical structure, and its outer surface is of a threaded surface structure. A discharge groove 10 is provided in the middle of the material extrusion head 7. The material extrusion head 7 is slidably inserted into the interior of the connecting cylinder 6. The positioning groove 15 and the plugging groove 19 are vertically aligned. The positioning pin 11 is of a cylindrical structure and is vertically arranged.

[0039] The first nut 8 is in threaded fit connection with the outer surface of the material extrusion head 7. A second sealing pad 9 is bonded to the side surface of the first nut 8, and the second sealing pad 9 tightly abuts against the outer end of the connecting cylinder 6.

[0040] Embodiment 2

[0041] Please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 、 Figure 6 、 Figure 7 、 Figure 8 and Figure 9, An extrusion equipment for plastic product production in the figure, including an extrusion barrel 1. A screw conveyor mechanism is arranged inside the extrusion barrel 1. A connecting mechanism is arranged at the discharge end of the extrusion barrel 1. The outer end of the connecting mechanism is plugged with an extrusion head 7. The screw conveyor mechanism includes a rotating shaft 23 and a spiral blade 25, which are used for stirring, mixing and pushing out plastics. The connecting mechanism includes a first connecting plate 4, a second connecting plate 5 and a connecting cylinder 6. The first connecting plate 4 is fixed at the outer end of the extrusion barrel 1, and a connecting rod 12 is connected between the first connecting plate 4 and the second connecting plate 5. The connecting cylinder 6 is fixed at the outer end of the second connecting plate 5. A sealing sleeve 14 is bonded to the surface of the extrusion head 7. The inner end of the extrusion head 7 and the sealing sleeve 14 are closely inserted into the inside of the connecting cylinder 6. A positioning groove 15 is opened at the top end of the extrusion head 7. A plugging groove 19 is opened at the top end of the connecting cylinder 6. A positioning pin 11 passes through the inside of the plugging groove 19. The bottom end of the positioning pin 11 is inserted into the positioning groove 15. A first nut 8 is connected to the surface of the extrusion head 7 and near the outer end of the connecting cylinder 6.

[0042] Fix the first connecting plate 4 at the outer end of the extrusion barrel 1, and the second connecting plate 5 is detachably and firmly connected to the first connecting plate 4 through the connecting rod 12. The extrusion head 7 is plugged and connected to the second connecting plate 5 through the connecting cylinder 6, and is positioned by inserting the positioning pin 11 into the positioning groove 15. At the same time, a second sealing gasket 9 and a first nut 8 are used for fastening and leakage prevention connection. In this way, the extrusion head 7 can be detachably installed, and it is convenient to change and use the extrusion head 7 with different discharge slots 10 to obtain different plastic discharge shapes.

[0043] The spiral blade 25 is fixed on the surface of the rotating shaft 23. The rotating shaft 23 is rotatably inserted into the inside of the extrusion barrel 1. A motor 2 is installed at the outer end of the rotating shaft 23. A feed pipe 3 is arranged at the top end of the extrusion barrel 1 and near the position of the motor 2.

[0044] An installation sleeve 22 is arranged in the middle of the first connecting plate 4. A reinforcing frame 21 is fixed between the outer side of the installation sleeve 22 and the middle of the first connecting plate 4. The outer end of the rotating shaft 23 is rotatably inserted into the installation sleeve 22. The reinforcing frame 21 is of a cross-shaped structure.

[0045] Installation strips 24 are fixed on both sides of the spiral blade 25. Installation grooves 16 are opened inside the installation strips 24. Scrubbing strips 26 are adhesively installed inside the installation grooves 16. The outer sides of the scrubbing strips 26 are in scrubbing contact with the inner surface of the extrusion barrel 1.

[0046] Inside the extrusion barrel 1, a rotating shaft 23 and a spiral blade 25 are arranged through a mounting sleeve 22, a first connecting plate 4 and a reinforcing frame 21. Mounting strips 24 are fixed on both sides of the spiral blade 25, and scraping strips 26 are bonded in mounting grooves 16 inside the mounting strips 24. Therefore, at the end of plastic discharging, with the rotation of the rotating shaft 23 and the spiral blade 25, the scraping strips 26 scrape and clean the inner surface of the extrusion barrel 1, reducing the adhesion of plastic to the inner wall of the extrusion barrel 1. Moreover, the scraping strips 26 can be detachably replaced and cleaned.

[0047] The mounting strip 24 is of a long strip structure. The cross-section of the mounting groove 16 is of a U-shaped structure. The outer end of the scraping strip 26 protrudes out of the mounting groove 16. The scraping strip 26 is made of a high-temperature resistant material and is of a long strip structure.

[0048] Working mode: The first connecting plate 4 is fixed at the outer end of the extrusion barrel 1, while the second connecting plate 5 is detachably and tightly connected to the first connecting plate 4 through a connecting rod 12. The extrusion head 7 is inserted and connected to the second connecting plate 5 through a connecting cylinder 6, and is positioned through a positioning pin 11 inserted into a positioning groove 15. At the same time, a second gasket 9 and a first nut 8 are used for tight anti-leakage connection. In this way, the extrusion head 7 can be detachably installed, and it is convenient to change and use the extrusion head 7 with different discharge slots 10 to obtain different plastic discharge shapes.

[0049] Inside the extrusion barrel 1, a rotating shaft 23 and a spiral blade 25 are arranged through a mounting sleeve 22, a first connecting plate 4 and a reinforcing frame 21. Mounting strips 24 are fixed on both sides of the spiral blade 25, and scraping strips 26 are bonded in mounting grooves 16 inside the mounting strips 24. Therefore, at the end of plastic discharging, with the rotation of the rotating shaft 23 and the spiral blade 25, the scraping strips 26 scrape and clean the inner surface of the extrusion barrel 1, reducing the adhesion of plastic to the inner wall of the extrusion barrel 1. Moreover, the scraping strips 26 can be detachably replaced and cleaned.

[0050] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and inventive concept of the present invention, makes equivalent replacements or changes, and should be covered by the protection scope of the present invention.

Claims

1. An extrusion equipment for plastic product production, including an extrusion barrel (1), characterized in that: Inside the material extrusion cylinder (1), there is an auger mechanism arranged, and a connection mechanism is arranged at the discharge end of the material extrusion cylinder (1), and a material extrusion head (7) is inserted at the outer end of the connection mechanism; The auger mechanism includes a rotating shaft (23) and a spiral blade (25), which are used for stirring and mixing and pushing out plastics; The connection mechanism includes a first connecting plate (4), a second connecting plate (5) and a connecting cylinder (6). The first connecting plate (4) is fixed at the outer end of the material extrusion cylinder (1), and a connecting rod (12) is connected between the first connecting plate (4) and the second connecting plate (5). The connecting cylinder (6) is fixed at the outer end of the second connecting plate (5); A sealing sleeve (14) is bonded to the surface of the material extrusion head (7). The inner end of the material extrusion head (7) and the sealing sleeve (14) are tightly inserted into the inside of the connecting cylinder (6). A positioning groove (15) is opened at the top end of the material extrusion head (7), and a plugging groove (19) is opened at the top end of the connecting cylinder (6). A positioning pin (11) passes through the inside of the plugging groove (19), and the bottom end of the positioning pin (11) is inserted into the positioning groove (15). A first nut (8) is connected to the surface of the material extrusion head (7) and near the outer end of the connecting cylinder (6).

2. The extrusion equipment for plastic product production according to claim 1, wherein: A first connection hole (20) is opened on the surface of the first connecting plate (4), a second connection hole (18) is opened on the surface of the second connecting plate (5). The connecting rod (12) slides through the first connection hole (20) and the second connection hole (18). Second nuts (13) are connected to both ends of the connecting rod (12). A first sealing gasket (17) is bonded between the first connecting plate (4) and the second connecting plate (5). Both the first connecting plate (4) and the second connecting plate (5) are of flange-type structures.

3. An extrusion equipment for plastic product production according to claim 1, characterized in that: The material extrusion head (7) is of a cylindrical structure, and its outer surface is a threaded surface structure. A discharge groove (10) is arranged in the middle of the material extrusion head (7). The material extrusion head (7) slides and is inserted into the inside of the connecting cylinder (6). The positioning groove (15) and the plugging groove (19) are vertically aligned. The positioning pin (11) is of a cylindrical structure and is vertically arranged.

4. An extrusion device for plastic product production according to claim 1, characterized in that: The first nut (8) is in threaded fit connection with the outer surface of the material extrusion head (7). A second sealing gasket (9) is bonded to the side surface of the first nut (8), and the second sealing gasket (9) tightly abuts against the outer end of the connecting cylinder (6).

5. An extrusion equipment for plastic product production according to claim 1, characterized in that: The spiral blade (25) is fixed on the surface of the rotating shaft (23). The rotating shaft (23) rotates and is inserted into the inside of the material extrusion cylinder (1). A motor (2) is installed at the outer end of the rotating shaft (23). A feed pipe (3) is arranged at the top end of the material extrusion cylinder (1) and near the position of the motor (2).

6. An extrusion device for plastic product production according to claim 5, characterized in that: An installation sleeve (22) is arranged in the middle of the first connecting plate (4). A reinforcing frame (21) is fixed between the outer side of the installation sleeve (22) and the middle of the first connecting plate (4). The outer end of the rotating shaft (23) rotates and is inserted into the installation sleeve (22). The reinforcing frame (21) is of a cross-shaped structure.

7. An extrusion equipment for plastic product production according to claim 5, characterized in that: Installation strips (24) are fixed on both sides of the spiral blade (25). An installation groove (16) is formed inside the installation strip (24). A scraping strip (26) is adhesively installed inside the installation groove (16). The outer side of the scraping strip (26) is in scraping contact with the inner surface of the material extrusion cylinder (1).

8. An extrusion equipment for plastic product production according to claim 7, characterized in that: The installation strip (24) is of a long strip structure. The cross section of the installation groove (16) is of a U-shaped structure. The outer end of the scraping strip (26) protrudes out of the installation groove (16). The scraping strip (26) is made of a high-temperature resistant material and is of a long strip structure.

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