Plastic particle extrusion device

By combining the design of the screw feed shaft and the metering component with the worm gear transmission system, the problem of raw material waste in traditional plastic granule extrusion devices is solved, achieving precise feeding and flexible discharge adjustment, thus improving production efficiency.

CN223904497UActive Publication Date: 2026-02-13ZHONGSHAN YOULI MATERIAL TECH CO LTD
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Patent Information

Application Number
CN202520476773.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-18
Publication Date
2026-02-13
Estimated Expiration
2035-03-18

AI Technical Summary

Technical Problem

Traditional plastic pellet extrusion equipment has difficulty in accurately controlling the amount of raw materials during the feeding process, resulting in problems such as raw material waste and insufficient supply.

Method used

The design employs a spiral feeding shaft in conjunction with a quantitative component. Through the structure of a rotating ring, opening and closing flaps, sliding rods, and sliding columns, it achieves precise control of the output amount. Combined with a worm gear transmission system, it adjusts the size of the discharge port.

Benefits of technology

It achieves stable feeding and precise adjustment of output, improves production efficiency, reduces raw material waste, and adapts to the production needs of plastic granule products of different specifications.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the field of plastic production, and particularly relates to a plastic particle extruding device which comprises an extruding assembly, and a quantifying assembly is arranged at the bottom end of the extruding assembly. The material extruding assembly comprises a tank body, a spiral feeding shaft is rotationally connected to the interior of the tank body, and the bottom end of the spiral feeding shaft penetrates through the bottom end of the tank body; the quantitative assembly comprises a shell fixedly installed at the bottom end of the tank body, a positioning ring is fixedly connected to the interior of the shell, an opening-closing blade is arranged at the upper end of the positioning ring, a rotating ring is arranged at the upper end of the opening-closing blade, a sliding rod is fixedly connected to the top end of the opening-closing blade, the sliding rod penetrates through the rotating ring, and the sliding rod is slidably connected with the rotating ring. Through the structural design that the spiral feeding shaft is matched with a rotating ring and an opening and closing blade in the quantifying assembly, the functions of stable feeding and accurate adjustment of the discharging amount are achieved, and through the structural design that a connecting pipe, the rotating ring and the opening and closing blade are driven through worm and gear transmission, the function of flexible adjustment of the size of a discharging opening is achieved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of plastic production, and specifically relates to a plastic particle extruding device. BACKGROUND

[0002] In the plastic processing industry, the plastic particle extruding device is the key equipment for producing various plastic products. With the increasing diversification of market demand for plastic products, the performance requirements for the extruding device are also continuously improving. In the feeding link of the traditional plastic particle extruding device, a simple gravity feeding mode is mostly adopted, which is difficult to accurately control the feeding amount, which leads to the frequent waste of raw materials in the production process.

[0003] According to Chinese patent application No. CN202420557845.X, a double-screw extruding device for plastic particle production is provided, which includes a rack, a double-screw extruder body arranged on the top of the rack, a feeding port arranged on the outer side of the rack, a cover arranged on the top of the rack, and a cleaning assembly arranged on the outer side of the cover. However, the extruding device mentioned in the above patent is not convenient to control the speed and amount of raw material transportation during the transportation of raw materials. The general gravity feeding mode still continuously overfeeds when a large amount of raw material is not needed, which causes waste of raw materials. Therefore, a plastic particle extruding device is proposed to solve the above problems. SUMMARY

[0004] In order to solve the problem of waste of raw materials caused by continuous overfeeding when a large amount of raw materials is not needed, the utility model provides a plastic particle extruding device.

[0005] The technical scheme adopted by the utility model to solve its technical problems is as follows: a plastic particle extruding device includes an extruding assembly, a quantitative assembly is arranged at the bottom end of the extruding assembly; the extruding assembly includes a tank body, a spiral feeding shaft is rotatably connected inside the tank body, and the bottom end of the spiral feeding shaft penetrates the bottom end of the tank body; the quantitative assembly includes an outer shell fixedly installed at the bottom end of the tank body, a positioning ring is fixedly connected inside the outer shell, an opening and closing leaf is arranged at the upper end of the positioning ring, a rotating ring is arranged at the upper end of the opening and closing leaf, a sliding rod is fixedly connected at the top end of the opening and closing leaf, the sliding rod penetrates the rotating ring, the sliding rod and the rotating ring are slidingly connected, a sliding column is fixedly connected at the bottom end of the opening and closing leaf, and the sliding column penetrates the positioning ring; the sliding column and the positioning ring are slidingly connected.

[0006] The spiral feeding shaft can push the plastic particles from the upper part to the bottom end of the tank body by rotating inside the tank body, achieving the effect of feeding, and cooperating with the opening and closing leaf, the rotating ring, the sliding rod, the sliding column, etc. The rotating ring drives the opening and closing leaf to move, achieving the effect of controlling the discharge amount.

[0007] The bottom end of the positioning ring is fixedly connected with a discharge pipe, and the bottom end of the discharge pipe is fixedly connected with a discharge nozzle.

[0008] The discharge pipe and the discharge nozzle are fixed to the bottom end of the positioning ring, so that the plastic particles passing through the quantitative assembly can be transported to the outside, the positioning ring is provided with the inclined groove and matched with the slide column, so that the opening and closing leaf can be positioned and the movement track thereof is limited, and the opening and closing leaf can be opened and closed in a set mode.

[0009] The top end of the rotating ring is fixedly connected with a connecting pipe, the top end of the connecting pipe penetrates through the top end of the shell and extends into the inside of the tank body, the connecting pipe is rotationally connected with the shell, and the connecting pipe is matched with the spiral feeding shaft.

[0010] The top end of the connecting pipe penetrates through the shell and is matched with the spiral feeding shaft in the tank body, on one hand, the connecting pipe connects the rotating ring with the inside of the tank body, and on the other hand, the plastic particles pushed down from the spiral feeding shaft can enter the connecting pipe and then reach the rotating ring and the opening and closing leaf, the rotating ring is connected with the spiral feeding shaft through the connecting pipe, when the connecting pipe rotates, the rotating ring rotates, and then the opening and closing leaf is driven to open and close around the positioning ring, so that the size of the discharge port can be controlled.

[0011] The outer wall of the connecting pipe and located in the inside of the shell is provided with a worm gear, and the worm gear is fixedly connected with the connecting pipe.

[0012] The worm gear is arranged on the outer wall of the connecting pipe and is fixedly connected with the connecting pipe, when the worm gear meshes with the worm, the power of the worm can be transmitted to the connecting pipe, so that the connecting pipe drives the rotating ring to rotate, and the opening and closing control of the opening and closing leaf is realized.

[0013] The inside of the shell is fixedly connected with a motor, the transmission end of the motor is fixedly connected with a worm, the worm is rotationally connected with the shell, and the worm meshes with the worm gear.

[0014] The motor provides power for the device, the transmission end of the motor drives the worm to rotate, the worm is fixedly connected with the transmission end of the motor and is rotationally connected with the shell, and the worm meshes with the worm gear, so that the power of the motor can be transmitted to the worm gear, and then the connecting pipe and the rotating ring are driven to rotate, and the control of the opening and closing leaf is realized.

[0015] The top end of the tank body is provided with a fixed block, the outer wall of the fixed block is fixedly connected with a plurality of equidistant supports, and the supports are fixedly connected with the tank body.

[0016] The supports connect the fixed block with the tank body, so as to support the fixed block, and the fixed block can be stably installed on the top end of the tank body, and the fixed block is used for installing the motor and providing fixed support for the motor, so that the motor can work stably.

[0017] As preferred, the top end of the fixed block is fixedly connected with a motor, the transmission end of the motor penetrates through the bottom end of the fixed block and is fixedly connected with the top end of the spiral feeding shaft.

[0018] The motor at the top end of the motor fixed block, the transmission end of which is fixedly connected with the top end of the spiral feeding shaft, provides rotating power for the spiral feeding shaft, so that the spiral feeding shaft can rotate in the tank to realize feeding.

[0019] As preferred, the middle part of the positioning ring is provided with a plurality of equidistant inclined grooves, and the middle part of the rotating ring is provided with a plurality of equidistant arc grooves.

[0020] The inclined grooves of the positioning ring provide sliding tracks for the sliding columns, so that the opening and closing leaves can move along the direction of the inclined grooves, ensuring the accuracy and stability of the opening and closing action of the opening and closing leaves. The arc grooves of the rotating ring provide sliding space for the sliding rods, so that the sliding rods slide in the arc grooves when the rotating ring rotates, thereby driving the opening and closing leaves to move, and realizing accurate control of the size of the discharge port.

[0021] The utility model discloses the beneficial effect lies in:

[0022] 1. Precise feeding: the utility model discloses the structure design of the spiral feeding shaft and the rotating ring, opening and closing leaf cooperation in the rationing assembly, realizes the function of stable feeding and accurate regulation of the discharge amount, solves the problem of raw material waste or insufficient supply in the traditional feeding process, and improves the efficiency of feeding in the production link.

[0023] 2. Flexible discharge adjustment: the utility model discloses the structure design of the connecting pipe, rotating ring and opening and closing leaf driven by the worm and worm gear, realizes the function of flexible adjustment of the size of the discharge port, solves the problem of difficult to adapt to the production demand of different specifications of plastic particle products, and improves the efficiency of the device in dealing with diversified production tasks. DRAWINGS

[0024] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creating creative labor.

[0025] Figure 1 It is the overall structure schematic diagram of the utility model;

[0026] Figure 2 It is the overall cut structure schematic diagram of the utility model;

[0027] Figure 3 It is the overall split structure schematic diagram of the utility model;

[0028] Figure 4 It is the structure schematic view of the quantitative assembly of the utility model.

[0029] Figure 5 It is the structure schematic view of the quantitative assembly of the utility model.

[0030] In the drawing: 1, extrusion assembly; 2, quantitative assembly; 101, tank body; 102, support; 103, fixed block; 104, motor; 105, spiral feeding shaft; 201, shell; 202, discharge pipe; 203, discharge nozzle; 204, positioning ring; 205, connecting pipe; 206, worm gear; 207, rotating ring; 208, opening and closing leaf; 209, sliding rod; 210, sliding column; 211, motor; 212, worm. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0032] The following will be combined with the drawings in the embodiments of the utility model, Figures 1-5 The application will be further described in detail,

[0033] The embodiments of the application disclose a plastic particle extruding device. Figure 3 and Figure 5 A plastic particle extruding device, comprising an extrusion assembly 1, the bottom end of the extrusion assembly 1 is provided with a quantitative assembly 2; the extrusion assembly 1 comprises a tank body 101, the inside of the tank body 101 is rotatably connected with a spiral feeding shaft 105, the bottom end of the spiral feeding shaft 105 penetrates the bottom end of the tank body 101; the quantitative assembly 2 comprises a shell 201 fixedly installed at the bottom end of the tank body 101, the inside of the shell 201 is fixedly connected with a positioning ring 204, the upper end of the positioning ring 204 is provided with an opening and closing leaf 208, the upper end of the opening and closing leaf 208 is provided with a rotating ring 207, the top end of the opening and closing leaf 208 is fixedly connected with a sliding rod 209, the sliding rod 209 penetrates the rotating ring 207, the sliding rod 209 is slidably connected with the rotating ring 207, the bottom end of the opening and closing leaf 208 is fixedly connected with a sliding column 210, the sliding column 210 penetrates the positioning ring 204, the sliding column 210 is slidably connected with the positioning ring 204;

[0034] The spiral feeding shaft 105 can push the plastic particles from the upper part of the tank body 101 to the bottom end by rotating inside the tank body 101, achieving the effect of feeding, and cooperating with the opening and closing leaves 208, the rotating ring 207, the sliding rod 209, the sliding column 210 and the like, and through the rotation of the rotating ring 207 to drive the opening and closing leaves 208 to act, achieving the effect of controlling the discharge amount.

[0035] With reference to Figure 4 And Figure 5 The bottom end of the positioning ring 204 is fixedly connected with a discharge pipe 202, and the bottom end of the discharge pipe 202 is fixedly connected with a discharge nozzle 203;

[0036] The discharge pipe 202 and the discharge nozzle 203 are fixed to the bottom end of the positioning ring 204, achieving the effect of transporting the plastic particles passing through the quantitative assembly 2 to the outside, and the positioning ring 204 is positioned and limited by the sliding column 210 through the opening of the inclined groove, achieving the effect of positioning and limiting the movement track of the opening and closing leaves 208, ensuring that the opening and closing leaves 208 can be opened and closed in a set manner.

[0037] With reference to Figure 4 And Figure 5 The top end of the rotating ring 207 is fixedly connected with a connecting pipe 205, the top end of the connecting pipe 205 penetrates the top end of the shell 201 and extends into the inside of the tank body 101, the connecting pipe 205 is rotationally connected with the shell 201, and the connecting pipe 205 is adapted to the spiral feeding shaft 105;

[0038] The top end of the connecting pipe 205 penetrates the shell 201 to the inside of the tank body 101 and is adapted to the spiral feeding shaft 105, which plays a role in connecting the rotating ring 207 and the inside of the tank body 101, and on the other hand, the plastic particles pushed down from the spiral feeding shaft 105 can enter the connecting pipe 205 and then reach the rotating ring 207 and the opening and closing leaves 208, the rotating ring 207 is connected with the spiral feeding shaft 105 through the connecting pipe 205, when the connecting pipe 205 rotates, the rotating ring 207 is driven to rotate, and then the opening and closing leaves 208 are driven to make opening and closing actions around the positioning ring 204 through the sliding rod 209, achieving the effect of controlling the size of the discharge port.

[0039] With reference to Figure 5 The outer wall of the connecting pipe 205 and located in the inside of the shell 201 is provided with a worm gear 206, and the worm gear 206 is fixedly connected with the connecting pipe 205;

[0040] The worm gear 206 is arranged on the outer wall of the connecting pipe 205 and is fixedly connected with the connecting pipe 205, and when meshing with the worm 212, the power of the worm 212 can be transmitted to the connecting pipe 205, so that the connecting pipe 205 drives the rotating ring 207 to rotate, thereby realizing the opening and closing control of the opening and closing leaves 208.

[0041] With reference to Figure 4 And Figure 5The inside of the shell 201 is fixedly connected with a motor 211, the transmission end of the motor 211 is fixedly connected with a worm 212, the worm 212 is rotationally connected with the shell 201, the worm 212 is engaged with the worm gear 206;

[0042] The motor 211 provides power for the device, the transmission end drives the worm 212 to rotate, the worm 212 is fixed with the transmission end of the motor 211 and rotationally connected with the shell 201, and is engaged with the worm gear 206, so as to transmit the power of the motor 211 to the worm gear 206, and further drive the connecting pipe 205 and the rotating ring 207 to rotate, so as to control the opening and closing of the leaves 208.

[0043] Referring to Figure 2 and Figure 3 The top end of the tank body 101 is provided with a fixed block 103, the outer wall of the fixed block 103 is fixedly connected with a plurality of equidistant supports 102, and the supports 102 are fixedly connected with the tank body 101;

[0044] The supports 102 connect the fixed block 103 and the tank body 101, and support the fixed block 103, so that the fixed block 103 can be stably installed at the top end of the tank body 101, and the fixed block 103 is used for installing the motor 104 and providing fixed support for the motor 104, so as to ensure that the motor 104 can work stably.

[0045] Referring to Figure 2 and Figure 3 The top end of the fixed block 103 is fixedly connected with the motor 104, the transmission end of the motor 104 penetrates the bottom end of the fixed block 103 and is fixedly connected with the top end of the spiral feeding shaft 105;

[0046] The motor 104 is fixedly connected with the motor 104 at the top end of the fixed block 103, the transmission end of the motor 104 is fixedly connected with the top end of the spiral feeding shaft 105, and the spiral feeding shaft 105 is provided with rotating power, so that the spiral feeding shaft 105 can rotate in the tank body 101 to realize feeding.

[0047] Referring to Figure 5 The middle part of the positioning ring 204 is provided with a plurality of equidistant inclined grooves, and the middle part of the rotating ring 207 is provided with a plurality of equidistant arc grooves;

[0048] The inclined grooves of the positioning ring 204 provide sliding tracks for the sliding column 210, so that the opening and closing leaves 208 can move along the direction of the inclined grooves during movement, and the accuracy and stability of the opening and closing action of the opening and closing leaves 208 are ensured, and the arc grooves of the rotating ring 207 provide sliding space for the sliding rod 209, so that when the rotating ring 207 rotates, the sliding rod 209 slides in the arc grooves, thereby driving the opening and closing leaves 208 to move, and realizing accurate control of the size of the discharge port.

[0049] Working principle: the transmission end of the motor 104 drives the spiral feeding shaft 105 to rotate in the inside of the tank body 101, pushes the plastic particles in the upper part of the tank body 101 from the upper part to the bottom end, the plastic particles enter the rotating ring 207 and the opening and closing leaf 208 through the connecting pipe 205 matched with the spiral feeding shaft 105, when it is needed to adjust the discharging amount, the motor 211 in the shell 201 is started, the transmission end of the motor 211 drives the worm 212 to rotate, since the worm 212 is engaged with the worm gear 206, the worm 212 transmits power to the worm gear 206 when rotating, the worm gear 206 is fixedly connected with the connecting pipe 205, and then drives the connecting pipe 205 to rotate, the connecting pipe 205 drives the rotating ring 207 to rotate when rotating, since the sliding rod 209 at the top of the opening and closing leaf 208 penetrates the rotating ring 207 and slides in the arc-shaped groove in the middle part of the rotating ring 207, the sliding rod 209 moves along with the rotation of the rotating ring 207, so that the opening and closing leaf 208 performs opening and closing actions around the positioning ring 204; meanwhile, the sliding column 210 at the bottom end of the opening and closing leaf 208 penetrates the positioning ring 204 and slides in the inclined groove in the middle part of the positioning ring 204, the inclined groove of the positioning ring 204 positions and limits the movement track of the sliding column 210, ensures that the opening and closing leaf 208 can open and close according to the set mode, realizes the accurate control of the size of the discharge port, and the plastic particles after the discharging amount is controlled by the opening and closing leaf 208 are conveyed to the outside through the discharge pipe 202 and the discharge nozzle 203 fixedly connected at the bottom end of the positioning ring 204, and the extrusion work of the plastic particles is completed.

[0050] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by the person skilled in the art that the utility model is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and the description in the specification only illustrate the principle of the utility model, and the utility model will have various changes and improvements without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed.

Claims

1. A plastic particle extrusion apparatus, characterized by: Including extrusion assembly (1), the bottom end of the extrusion assembly (1) is provided with a quantitative assembly (2); The extrusion assembly (1) comprises a tank body (101), a screw feeding shaft (105) is rotatably connected inside the tank body (101), and the bottom end of the screw feeding shaft (105) penetrates the bottom end of the tank body (101); The quantitative assembly (2) comprises a shell (201) fixedly installed at the bottom end of the tank body (101), a positioning ring (204) is fixedly connected inside the shell (201), an opening and closing leaf (208) is arranged at the upper end of the positioning ring (204), a rotating ring (207) is arranged at the upper end of the opening and closing leaf (208), a sliding rod (209) is fixedly connected to the top end of the opening and closing leaf (208), the sliding rod (209) penetrates the rotating ring (207), the sliding rod (209) is slidably connected with the rotating ring (207), a sliding column (210) is fixedly connected to the bottom end of the opening and closing leaf (208), the sliding column (210) penetrates the positioning ring (204), and the sliding column (210) is slidably connected with the positioning ring (204).

2. A plastic pellet extrusion apparatus as claimed in claim 1, wherein: The bottom end of the positioning ring (204) is fixedly connected with a discharge pipe (202), and the bottom end of the discharge pipe (202) is fixedly connected with a discharge nozzle (203).

3. A plastic pellet extrusion apparatus as claimed in claim 1, wherein: The top end of the rotating ring (207) is fixedly connected with a connecting pipe (205), the top end of the connecting pipe (205) penetrates the top end of the shell (201) and extends into the tank body (101), the connecting pipe (205) is rotatably connected with the shell (201), and the connecting pipe (205) is matched with the screw feeding shaft (105).

4. A plastic pellet extrusion apparatus as claimed in claim 3, wherein: A worm gear (206) is arranged on the outer wall of the connecting pipe (205) and located inside the shell (201), and the worm gear (206) is fixedly connected with the connecting pipe (205).

5. The plastic pellet extrusion apparatus of claim 1, wherein: A motor (211) is fixedly connected inside the shell (201), a worm (212) is fixedly connected to the transmission end of the motor (211), the worm (212) is rotatably connected with the shell (201), and the worm (212) is engaged with the worm gear (206).

6. A plastic pellet extrusion apparatus as claimed in claim 1, wherein: A fixed block (103) is arranged at the top end of the tank body (101), a plurality of equidistant supports (102) are fixedly connected to the outer wall of the fixed block (103), and the supports (102) are fixedly connected with the tank body (101).

7. A plastic pellet extrusion apparatus as claimed in claim 6, wherein: A motor (104) is fixedly connected to the top end of the fixed block (103), and the transmission end of the motor (104) penetrates the bottom end of the fixed block (103) and is fixedly connected with the top end of the screw feeding shaft (105).

8. The plastic pellet extrusion apparatus of claim 1, wherein: A plurality of equidistant inclined grooves are formed in the middle part of the positioning ring (204), and a plurality of equidistant arc-shaped grooves are formed in the middle part of the rotating ring (207).

Citation Information

Patent Citations

  • Twin-screw extrusion device for plastic particle production

    CN221913160U