Plastic pipe molding extruder

By designing and cleaning components such as scraper plates and paddles in the plastic pipe forming and output machine, the problems of inconvenience in cleaning and waste of materials in the prior art are solved, and more efficient cleaning and material conveying effects are achieved.

CN222538241UActive Publication Date: 2025-02-28YUNNAN DIAN PLASTIC PIPE MANUFACTURING CO LTD
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Patent Information

Application Number
CN202421267141.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-04
Publication Date
2025-02-28
Estimated Expiration
2034-06-04

AI Technical Summary

Technical Problem

The existing plastic pipe screw extruders have inconvenience when cleaning the internal conveying mechanism, resulting in waste of materials, and the transmission and toggle mechanism is costly and has low convenience in use.

Method used

A plastic pipe forming extruder is designed, which uses cleaning scraper plate parts, sealed connecting chucks and connecting rotary rods. The rotation of the cleaning scraper plate parts is driven by the rotation of the feed screw, and elastic scraper is used to scrape and clean, and the feed efficiency of the feed hole is improved through the paddles and empty grooves.

Benefits of technology

It improves the convenience and effect of cleaning, reduces material waste, improves the efficiency and convenience of material transportation, and saves costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a plastic pipe forming extruder which comprises a material conveying and extruding machine box, a transmission material conveying screw rod is arranged in the material conveying and extruding machine box, a material conveying hopper is installed on the left side of the top of the material conveying and extruding machine box in a penetrating mode, and the left end of the material conveying screw rod is connected with a connecting rotating rod. The outer side of the connecting rotating rod is connected with a sealing connecting chuck in a sleeved mode, and cleaning scraping plate pieces are symmetrically arranged on the inner side faces, close to the material conveying and extruding machine box, of the two sides of the sealing connecting chuck. And through connection of the shifting piece and the elastic scraping structure, the shifting piece has the anti-accumulation effect on the materials in the material conveying hole, the material conveying efficiency is improved, the cost is saved, and the use convenience is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of plastic pipe extrusion production, in particular to a plastic pipe forming extruder. Background Art

[0002] Plastic pipes are generally made of synthetic resin, that is, polyester as raw material, with the addition of stabilizers, lubricants, plasticizers, etc., and then extruded and injection molded. Plastic pipes are used more and more widely in our current life. Their processing and production method is generally to extrude them through special molding and extrusion equipment using the "plastic" method.

[0003] After searching, the Chinese patent authorization number CN202020485906.8 discloses a plastic pipe screw extruder device, which belongs to the field of screw extruder technology, including a base and an extrusion box, the top of the base is fixedly connected to the extrusion box, the top side of the extrusion box is interference connected with a hopper, and a rotating cavity is opened at both ends of the bottom of the hopper, and a rotating shaft is embedded in the rotating cavity, the middle part of the rotating shaft is rotatably connected to a fixed cylinder, and a rotating cavity is opened at the bottom of the hopper, and a rotating shaft and a fixed cylinder are embedded in the rotating cavity.

[0004] A plastic tube screw extruder device in the above patent has the following shortcomings: when in use, when cleaning the internal conveying mechanism of the above screw extrusion injection molding machine, there are still some inconveniences in the method of setting up multiple sets of bolts and removing multiple parts in sequence for cleaning. Direct cleaning also causes waste of materials, and the transmission toggle mechanism set up to increase the uniform conveying efficiency at the funnel feeding point is not only costly, but also less convenient to use.

[0005] Therefore, we propose a plastic pipe forming extruder to solve the above problems. Utility Model Content

[0006] The utility model aims to solve one of the technical problems existing in the prior art or related technology.

[0007] To this end, the technical solution adopted in this utility model is:

[0008] A plastic pipe forming extruder comprises a feed extrusion machine case, wherein a transmission feed screw is arranged inside the feed extrusion machine case, a feed hopper is installed through the left side of the top of the feed extrusion machine case, the left end of the feed screw is connected to a connecting rotating rod, a sealing connecting chuck is sleeved on the outer side of the connecting rotating rod, cleaning scraper plates are symmetrically arranged on both sides of the sealing connecting chuck near the inner side surface of the feed extrusion machine case, the cleaning scraper plates include an arc-shaped clamping plate, an empty groove, multiple groups of extrusion springs, two groups of extrusion gaskets and an extrusion scraper, the bottom end of the feed hopper penetrates the top of the feed extrusion machine case to open a feed hole, and a paddle is arranged near the outer side edge of the cleaning scraper plate and the bottom of the feed hole.

[0009] In a preferred example, the present invention can be further configured as follows:

[0010] By adopting the above technical solution, one side of the arc-shaped clamping plate is connected to the outer end of the sealing connection chuck, and the empty groove is opened on the inner side of the other end of the arc-shaped clamping plate.

[0011] In a preferred example, the present invention can be further configured as follows:

[0012] By adopting the above technical solution, multiple groups of extrusion springs are evenly installed between two groups of extrusion gaskets, and the two groups of extrusion gaskets are respectively connected to one side of the extrusion scraper and the inner side of the arc-shaped clamping plate.

[0013] In a preferred example, the present invention can be further configured as follows:

[0014] By adopting the above technical solution, a sealing plate is installed at the left end of the feed extruder box, a fixing bolt is installed through the sealing plate and the left end side of the feed extruder box, and a sealing gasket is sleeved on the side of the outer side of the connecting rod close to the sealing plate.

[0015] In a preferred example, the present invention can be further configured as follows:

[0016] By adopting the above technical solution, the paddle is connected to one side of the extrusion scraper, and the other end of the paddle can be clamped on the inner side of the feeding hole.

[0017] In a preferred example, the present invention can be further configured as follows:

[0018] By adopting the above technical solution, a supporting base is installed at the bottom end of the feed extrusion machine box, and a cooling extrusion duct is connected and installed at the right end of the feed extrusion machine box.

[0019] In a preferred example, the present invention can be further configured as follows:

[0020] By adopting the above technical solution, the feed extrusion machine box and the cooling extrusion conduit are both mounted on the top of the supporting base.

[0021] By adopting the above technical solution, the beneficial effects achieved by the utility model are as follows:

[0022] 1. In the utility model, a cleaning scraper plate, a sealing connection chuck and a connecting rotating rod are arranged. When in use, the feeding screw in the feeding extruder box is driven by an external driving device to rotate, and drives the connecting rotating rod connected to the feeding screw to rotate, so that the sealing connection chuck drives the extrusion spring composed of the cleaning scraper plate to make the extrusion scraper perform an elastic scraping effect, thereby improving the cleaning effect of the material on the inner wall of the feeding extruder box, which not only improves the convenience of cleaning, but also makes the material transportation more comprehensive and reduces waste.

[0023] 2. In the utility model, by arranging a paddle and a cleaning scraper plate, when in use, the cleaning scraper plate in the above beneficial effect rotates, and through the setting of the empty slot, the paddle is also driven to rotate, and continuously passes through the feeding hole at the bottom of the feeding funnel to pry the accumulated materials, so that they are transported more quickly and the feeding efficiency of the feeding hole is improved, which not only saves costs but also improves the convenience of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a front view structural schematic diagram of an embodiment of the utility model;

[0025] Figure 2 This is a front cross-sectional structural schematic diagram of an embodiment of the utility model;

[0026] Figure 3 This is a schematic structural diagram of location A of an embodiment of the utility model.

[0027] Reference numerals:

[0028] 1. Feed extruder chassis; 2. Support base; 3. Feed funnel; 4. Cooling extrusion duct; 5. Sealing plate; 6. Fixing bolts; 7. Feed screw; 8. Sealing connection chuck; 9. Cleaning scraper plate; 901. Arc-shaped clamping plate; 902. Empty groove; 903. Extrusion spring; 904. Extrusion gasket; 905. Extrusion scraper; 10. Connecting rotating rod; 11. Sealing gasket; 12. Feed hole; 13. Pick. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model is further described in detail below in combination with specific implementation methods and with reference to the accompanying drawings. It should be noted that the embodiments of the utility model and the features in the embodiments can be combined with each other without conflict.

[0030] It should be understood that these descriptions are exemplary only and are not intended to limit the scope of the present invention.

[0031] A plastic pipe forming extruder provided by some embodiments of the utility model is described below in conjunction with the accompanying drawings.

[0032] Embodiment 1:

[0033] Combination Figure 1-Figure 3 As shown, the utility model provides a plastic pipe forming extruder,

[0034] Specifically, it includes a feeding extruder box 1, a transmission feeding screw 7 is arranged inside the feeding extruder box 1, a feeding funnel 3 is installed on the left side of the top of the feeding extruder box 1, a connecting rod 10 is connected to the left end of the feeding screw 7, a sealing connecting chuck 8 is sleeved on the outer side of the connecting chuck 10, and cleaning scraper plates 9 are symmetrically arranged on both sides of the sealing connecting chuck 8 near the inner side of the feeding extruder box 1, and the cleaning scraper plates 9 include an arc-shaped clamping plate 901, an empty groove 902, multiple groups of extrusion springs 903, two groups of extrusion gaskets 904 and extrusion scrapers 905. The bottom end of the feeding funnel 3 penetrates through the top of the feeding extruder box 1 to open a feeding hole 12. The outer side of the cleaning scraper plate 9 is close to the bottom of the feeding hole 12 and a paddle 13 is provided. One side of the arc-shaped clamping plate 901 is connected to the outer end of the sealing connection chuck 8. The empty groove 902 is opened on the inner side of the other end of the arc-shaped clamping plate 901. Multiple groups of extrusion springs 903 are all The two sets of extrusion gaskets 904 are evenly installed between the two groups of extrusion gaskets 904, and the two groups of extrusion gaskets 904 are respectively connected to one side of the extrusion scraper 905 and the inner side of the arc-shaped clamping plate 901. A sealing plate 5 is installed at the left end of the feeding extrusion machine box 1. A fixing bolt 6 is installed through the sealing plate 5 and the left end side of the feeding extrusion machine box 1. The setting of the sealing plate 5 and the fixing bolt 6 also facilitates the removal of the internal cleaning scraper plate 9 and the replacement. A sealing gasket 11 is sleeved on the side of the outer side of the connecting rotating rod 10 close to the sealing plate 5. The sealing gasket 11 mainly plays a sealing effect on the sealing plate 5 to prevent material leakage. The use of the above-mentioned components, when the feeding screw 7 rotates, the cleaning scraper plate 9 rotates, and the internal extrusion spring 903 makes the extrusion scraper 905 elastically scrape and clean the inner wall of the feeding extrusion machine box 1, which improves the convenience of cleaning while also improving the cleaning effect, making the feeding more comprehensive and reducing waste.

[0035] Embodiment 2:

[0036] Combination Figure 2 and Figure 3 As shown, based on the first embodiment,

[0037] Specifically, the paddle 13 is connected to one side of the extrusion scraper 905, and the other end of the paddle 13 can be clamped on the inner side of the feed hole 12. The use of the above-mentioned components, especially the rotation of the cleaning scraper plate 9 set in the implementation column 1, makes it convenient for the paddle 13 to elastically pry the materials accumulated at the feed hole 12 at the bottom of the feed funnel 3 to prevent accumulation, improve the feeding effect and efficiency, and also save costs and improve ease of use.

[0038] Combination Figure 1 and Figure 2 As shown, in the above embodiment,

[0039] Specifically, a support base 2 is installed at the bottom end of the feed extrusion box 1, and the support base 2 is mainly used to support and stabilize the feed extrusion box 1 and the cooling extrusion duct 4. The right end of the feed extrusion box 1 is connected and installed with a cooling extrusion duct 4, and the cooling extrusion duct 4 is mainly used to cool and shape the extruded plastic pipe. The feed extrusion box 1 and the cooling extrusion duct 4 are both mounted on the top of the support base 2.

[0040] The working principle and use process of the utility model are as follows: first, when in use, the external material is input into the feeding extruder box 1 through the feeding funnel 3 through 12, and the feeding screw 7 in the feeding extruder box 1 is driven by the external driving device to rotate, and drives the connecting rotating rod 10 connected to the feeding screw 7 to rotate, so that the sealing connection chuck 8 drives the cleaning scraper plate 9 to rotate, and the multiple groups of extrusion springs 903 installed between the two groups of extrusion gaskets 904 in the empty groove 902 formed in the arc-shaped clamping plate 901 elastically squeeze the extrusion scraper 905, so that the extrusion scraper 905 elastically squeezes the scraper 905. It rotates to scrape off the material remaining on the inner wall of the feed extruder box 1, thereby improving the cleaning effect. This not only improves the convenience of cleaning, but also makes the material transportation more comprehensive and reduces waste. Secondly, when in use, the operation of the above-mentioned components enables the cleaning scraper plate 9 to rotate. Through the setting of the empty slot 902, the paddle 13 is also driven to rotate, and through elastic rotation, it continuously passes through the feed hole 12 at the bottom of the feed funnel 3, and elastically pokes the accumulated material, so that it is transported more quickly and the feeding efficiency of the feed hole is improved. This not only saves costs, but also improves the convenience of use.

[0041] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and purpose of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A plastic pipe forming extruder, comprising a feeding extruder box (1), wherein a transmission feeding screw (7) is arranged inside the feeding extruder box (1), and a feeding funnel (3) is installed through the left side of the top of the feeding extruder box (1), characterized in that: The left end of the feed screw (7) is connected to a connecting rod (10), and a sealing connecting chuck (8) is sleeved on the outer side of the connecting rod (10). Cleaning scraper plates (9) are symmetrically provided on both sides of the sealing connecting chuck (8) close to the inner side of the feed extruder box (1). The cleaning scraper plates (9) include an arc-shaped clamping plate (901), a hollow groove (902), multiple groups of extrusion springs (903), two groups of extrusion gaskets (904) and an extrusion scraper (905). The bottom end of the feed hopper (3) passes through the top of the feed extruder box (1) and is provided with a feed hole (12). A paddle (13) is provided on the outer side of the cleaning scraper plate (9) near the bottom of the feed hole (12).

2. A plastic pipe forming extruder according to claim 1, characterized in that: One side of the arc-shaped clamping plate (901) is connected to the outer end of the sealing connection clamping disc (8), and the hollow groove (902) is provided on the inner side of the other end of the arc-shaped clamping plate (901).

3. A plastic pipe forming extruder according to claim 1, characterized in that: A plurality of groups of the extrusion springs (903) are evenly installed between two groups of extrusion gaskets (904), and the two groups of the extrusion gaskets (904) are respectively connected to one side of the extrusion scraper (905) and the inner side of the arc-shaped clamping plate (901).

4. A plastic pipe forming extruder according to claim 1, characterized in that: A sealing plate (5) is installed at the left end of the feed extruder box (1), and a fixing bolt (6) is installed through the sealing plate (5) and the left end side of the feed extruder box (1). A sealing gasket (11) is sleeved on the outer side of the connecting rod (10) close to the sealing plate (5).

5. A plastic pipe forming extruder according to claim 1, characterized in that: The paddle (13) is connected to one side of the extrusion scraper (905), and the other end of the paddle (13) can be clamped on the inner side of the material feeding hole (12).

6. A plastic pipe forming extruder according to claim 1, characterized in that: A support base (2) is installed at the bottom end of the feed extrusion machine box (1), and a cooling extrusion duct (4) is connected and installed at the right end of the feed extrusion machine box (1).

7. A plastic pipe forming extruder according to claim 6, characterized in that: The feed extruder box (1) and the cooling extrusion conduit (4) are both mounted on the top of the support base (2).

Citation Information

Patent Citations

  • Plastic pipe screw extruder

    CN212288606U