Adjustable plastic extruder

By designing a lifting mechanism and an adjustment and locking mechanism, the problem of inflexible height and angle adjustment in traditional plastic extruders is solved, enabling precise adjustment of the extruder body and ensuring smooth material transfer and continuity of the production process.

CN223520146UActive Publication Date: 2025-11-07SUZHOU TANGYU PLASTIC MASCH CO LTD
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Patent Information

Application Number
CN202422912769.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-28
Publication Date
2025-11-07
Estimated Expiration
2034-11-28

AI Technical Summary

Technical Problem

Traditional plastic extruders are not flexible enough in terms of height and angle adjustment, making it difficult to adapt to the feed inlet height and angle requirements of different equipment, which affects the continuity and accuracy of material transmission.

Method used

Employing a lifting and adjusting locking mechanism, the extruder body's height and angle are precisely adjusted via screw drive and support structure, while a heating and cooling system ensures smooth material transport.

Benefits of technology

It enables flexible adjustment of the extruder body height and angle, improves the convenience of equipment connection and the continuity of production process, ensures smooth material transfer and avoids angle deviation.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223520146U_ABST
Patent Text Reader

Abstract

The utility model discloses an adjustable plastic extruder which comprises a base, a lifting mechanism and an extruder body, the extruder body comprises a screw rod, a machine barrel and other components, and a hopper is used for finely adjusting the included angle of the machine barrel. The lifting mechanism can adjust the height of the extruder body. The transmission mechanism is matched with the transmission box through the main motor to adapt to different working conditions. The adjusting and locking mechanism can accurately and finely adjust the angle of the machine barrel and lock the machine barrel. The extruder effectively improves the equipment adaptability, the product quality, the operation convenience and the service life, and meets the diversified requirements of the plastic processing industry.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of plastic extruder, concretely relates to an adjustable plastic extruder. BACKGROUND

[0002] In the plastic processing industry, the plastic extruder is a very critical equipment, which is widely used in the production process of various plastic products such as pipes, plates and films. Its core working principle is to push the plastic raw materials forward by the rotation of the screw in the cylinder, melt and plasticize, and finally extrude into the required plastic products. With the continuous rise of the demand for plastic products in daily life, industrial production, construction and many other fields, and the increasingly stringent quality standards, the requirements for the performance and process adjustment flexibility of the plastic extruder have reached an unprecedented height.

[0003] The traditional plastic extruder usually adopts a relatively fixed structure design. In terms of height adjustment, the extruder body is usually directly fixed on the base, and after installation, its position in the vertical direction cannot be easily changed. In terms of horizontal angle adjustment of the whole machine, the whole machine is usually installed according to the preset horizontal angle, and there is no convenient fine adjustment structure.

[0004] Therefore, the above problems need to be solved. UTILITY MODEL CONTENT

[0005] The utility model aims at overcoming the above shortcomings, and provides an adjustable plastic extruder. By carefully setting the lifting mechanism on the base, the problem of unadjustable height of the traditional plastic extruder is solved. By rotating the supporting lead screw, the angle between the upper pressing block and the horizontal direction is accurately adjusted, and the angle between the extruder body and the horizontal direction is fine adjusted.

[0006] Technical solution: The utility model provides a kind of adjustable plastic extruder including pedestal, lifting mechanism is equipped on pedestal, lifting mechanism side is connected with extruder body, and lifting mechanism is used to adjust the height of extruder body in vertical direction;Extruder body includes screw, cylinder, heating ring, cooling fan, hopper, transmission mechanism, adjusting locking mechanism, screw is sleeved in cylinder, heating ring is sleeved in cylinder outside for heating cylinder, cooling fan cover is arranged outside heating ring and cooperates with heating ring to control cylinder temperature, one end of screw and cylinder is connected with transmission mechanism by motor connecting seat that is sleeved outside cylinder, transmission mechanism drives screw rotation, hopper is installed on cylinder between cooling fan and motor connecting seat, adjusting locking mechanism is installed on lifting mechanism for fine adjustment of the included angle between cylinder and horizontal plane.The height of extruder body in vertical direction can be adjusted by the lifting mechanism on the pedestal.When interfacing with other equipment, if the feed inlet height of other equipment is different, the adjustable height can conveniently match the discharge port of extruder, to ensure that the material can be smoothly transmitted to the next production link.Heating ring is provided outside cylinder, which can heat the cylinder, so that the plastic raw material is in a suitable molten state in the cylinder, facilitating extrusion.Cooling fan is provided outside the heating ring, and the cooling fan and the heating ring cooperate to accurately control the temperature of the cylinder.Adjusting locking mechanism is used for fine adjustment of the included angle between cylinder and horizontal plane, to ensure accurate interfacing with the feed inlet of other equipment.

[0007] Further, the adjustable plastic extruder in the application, the lifting mechanism includes a cover, a lifting speed reducer, a support seat, a pair of guide columns, a first screw rod, the cover is installed on the pedestal, the support seat is installed on the pedestal and is arranged in the cover, a pair of guide columns and the first screw rod are vertically installed on the pedestal and are arranged in the cover, and the upper end is connected with the cover; a sleeve is sleeved on the first screw rod, a moving plate is installed on the sleeve, the first guide column and the second guide column are adjustably installed on the moving plate, the pair of guide columns are arranged in the moving plate, and the lifting speed reducer rotates the first screw rod to drive the moving plate to move up and down.The screw rod transmission mode has high precision, can more accurately adjust the height of the extruder body in the vertical direction, meets the needs of fine adjustment of the extruder discharge height in different production scenes, the guide column plays a good guiding role, ensures that the moving plate always remains stable during up and down movement, and does not deviate or shake, thereby providing stable support and accurate lifting path for the extruder body.

[0008] Furthermore, in this application, an adjustable plastic extruder includes a transmission mechanism comprising a main motor and a transmission box. The transmission box is connected to a motor mounting base, and the screw extends into the transmission box. The main motor drives the screw to rotate. The main motor in the transmission mechanism serves as a power source, providing the necessary power for the screw's rotation. Driven by the main motor, the screw can rotate stably within the barrel, thereby propelling the plastic material forward and realizing the plastic extrusion process. This is a crucial power transmission link for the normal operation of the entire extruder. The power of the main motor is transmitted to the screw through the transmission box. The transmission box acts as a power conversion and adaptation mechanism, appropriately adjusting the output speed and torque of the main motor according to different production needs to meet the appropriate speed and torque required by the screw under different working conditions (such as extrusion of different plastic materials, different extrusion speed requirements, etc.), ensuring the normal operation of the screw.

[0009] Furthermore, in this application, an adjustable plastic extruder includes an adjustment locking mechanism comprising an upper pressure block and a lower pressure block. A first guide post is clamped between the upper and lower pressure blocks via a circular groove. The extruder body is mounted on the upper pressure block, which is connected to the lower pressure block by screws. A support screw is rotatably connected to one end of the upper pressure block, and an adjustment block is rotatably connected to the second guide post. The support screw passes through the adjustment block, and rotating the support screw finely adjusts the angle between the upper pressure block and the horizontal direction, thereby adjusting the angle between the extruder body mounted on the upper pressure block and the horizontal direction. The adjustment locking mechanism, by rotating the support screw, which passes through the adjustment block and forms a linkage structure with the upper pressure block, the second guide post, and other components, enables fine-tuning of the angle between the upper pressure block and the horizontal direction. Then, the angle between the extruder body mounted on the upper pressure block and the horizontal direction can be precisely adjusted. The upper pressure block and the lower pressure block are connected by screws, and the first guide post is clamped in the circular groove between the two. This structure allows for stable locking after the angle is adjusted.

[0010] Furthermore, in one adjustable plastic extruder of this application, the hopper is provided with a hopper cover. The hopper cover serves a protective function, preventing external dust, impurities, and other foreign matter from entering the hopper and mixing with the plastic raw material.

[0011] Furthermore, in this application, an adjustable plastic extruder includes an electrical control box mounted on the base, with an exhaust fan mounted on the electrical control box. The electrical control box serves as the central control unit for the entire adjustable plastic extruder, enabling centralized control and management of all electrical components. The exhaust fan is primarily used to dissipate heat from the electrical equipment within the box.

[0012] Further, the adjustable plastic extruder in the application is further provided with a water quick connector on the barrel between the hopper and the heating ring. The water quick connector provides a convenient medium access mode for the barrel. Through the connector, the external cooling water pipeline can be quickly and conveniently connected.

[0013] Further, the adjustable plastic extruder in the application is further provided with a water quick connector on the barrel between the hopper and the heating ring. The water quick connector provides a convenient medium access mode for the barrel. Through the connector, the external cooling water pipeline can be quickly and conveniently connected.

[0014] The above technical scheme can have the following beneficial effects:

[0015] 1. The adjustable plastic extruder in the application solves the problem of the height of the traditional plastic extruder being not flexible to adjust by arranging the lifting mechanism on the base, and the height of the extruder body in the vertical direction can be accurately adjusted by the high-precision characteristics of the lead screw transmission, and the discharge port can be easily matched with the feed port of the specific interfacing equipment according to the height of the feed port, so that the material can be smoothly transferred to the next production link, and the convenience of connection between the equipment and the continuity of the entire production process are greatly improved.

[0016] 2. The adjustable plastic extruder in the application realizes the precise fine adjustment of the angle between the extruder body and the horizontal direction through the unique adjustment and locking mechanism, and the fine adjustment of the angle between the upper pressing block and the horizontal direction can be realized by rotating the supporting lead screw through the ingenious structure of the upper pressing block, the lower pressing block, the supporting lead screw and the adjusting block, and then the angle between the extruder body and the horizontal direction is accurately adjusted. And after the angle is adjusted, the upper pressing block and the lower pressing block are connected by screws and clamped and locked to the first guide column, so that the angle is stable and unchanged, and the angle deviation caused by vibration and other factors during operation is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a first schematic view of the adjustable plastic extruder of the application.

[0018] Figure 2 It is a first schematic view of the adjustable plastic extruder of the application. Figure 1 It is an enlarged schematic view of area A in the middle.

[0019] Figure 3 It is a second schematic view of the adjustable plastic extruder of the application.

[0020] Figure 4 It is a third schematic view of the adjustable plastic extruder of the application.

[0021] The description of the drawings is as follows: 1-base, 2-lifting mechanism, 20-cover, 21-supporting seat, 22-lifting speed reducer, 23-guide column, 24-first screw rod, 25-sleeve, 26-moving plate, 261-first guide column, 262-second guide column, 3-extruder body, 31-screw rod, 32-barrel, 33-heating ring, 34-cooling fan, 35-hopper, 351-hopper cover, 36-transmission mechanism, 361-main motor, 362-transmission box, 37-adjusting and locking mechanism, 371-upper pressing block, 372-lower pressing block, 373-supporting screw rod, 374-adjusting block, 4-motor connecting seat, 5-electric control box, 51-exhaust fan, 6-water quick-change connector, 11-wheel. DETAILED DESCRIPTION

[0022] The utility model is further illustrated below in combination with the drawings and specific embodiments.

[0023] As Figure 1 shown in a kind of adjustable plastic extruder, including base 1, base 1 is equipped with lifting mechanism 2, one side of lifting mechanism 2 is connected with extruder body 3, and lifting mechanism 2 is used to adjust the height of extruder body 3 in vertical direction;Extruder body 3 includes screw rod 31, barrel 32, heating ring 33, cooling fan 34, hopper 35, transmission mechanism 36, adjusting and locking mechanism 37, screw rod 31 is sleeved in barrel 32, heating ring 33 is sleeved in barrel 32 outside for heating barrel 32, cooling fan 34 is covered in heating ring 33 outside and cooperates with heating ring 33 to control the temperature of barrel 32, one end of screw rod 31 and barrel 32 is connected with transmission mechanism 36 by motor connecting seat 4 that is sleeved in barrel 32 outside, transmission mechanism 36 drives screw rod 31 to rotate, hopper 35 is installed on barrel 32 between cooling fan 34 and motor connecting seat 4, and adjusting and locking mechanism 37 is installed on lifting mechanism 2 for fine adjustment of the included angle of barrel 32 and horizontal plane.Through lifting mechanism 2 on base 1, the height of extruder body 3 in vertical direction can be adjusted.When interfacing with other equipment, if the feeding port height of other equipment is different, the adjustable height can conveniently make the discharge port of extruder match, to ensure that material can be smoothly transmitted to next production link.Heating ring 33 is arranged outside barrel 32, which can heat barrel 32, so that plastic raw materials are in suitable molten state in barrel 32, facilitating extrusion.Meanwhile, cooling fan 34 is covered outside heating ring 33, and the temperature of barrel 32 can be accurately controlled by the cooperation of cooling fan 34 and heating ring 33.Adjusting and locking mechanism 37 is used for fine adjustment of the included angle of barrel 32 and horizontal plane, to ensure accurate interfacing with the feeding port of other equipment.Hopper 35 is made of stainless steel, and is provided with an observation window on the side for checking the remaining feeding condition.

[0024] In the embodiment, as Figure 3 , 4As shown, the lifting mechanism 2 includes a cover 20, a support seat 21, a lifting reducer 22, a pair of guide columns 23, a first lead screw 24, the cover 20 is installed on the base 1, the support seat 21 is installed on the base 1 and is arranged in the cover 20, the pair of guide columns 23 and the first lead screw 24 are vertically installed on the base 1 and are arranged in the cover 20, the upper end is connected with the cover 20, the first lead screw 24 is sleeved with a sleeve nut 25, the sleeve nut 25 is installed with a moving plate 26, the moving plate 26 is adjustably installed with a first guide column 261 and a second guide column 262, the pair of guide columns 23 are arranged in the moving plate 26, and the lifting reducer 22 rotates the first lead screw 24 to drive the moving plate 26 to move up and down in cooperation with the sleeve nut 25. The lead screw transmission mode has high precision, can accurately adjust the height of the extruder body 3 in the vertical direction, meets the needs of fine adjustment of the extruder discharge height in different production scenes, the guide column 23 plays a good guiding role, ensures that the moving plate 26 always remains stable during upward and downward movement, and will not deviate or shake, thereby providing stable support and accurate lifting path for the extruder body 3. The lifting reducer 22 is a worm screw reducer.

[0025] In this embodiment, as shown in the figure, Figure 1 The transmission mechanism 36 includes a main motor 361 and a transmission box 362. The transmission box 362 is connected with the motor connecting seat 4, the screw rod 31 extends into the transmission box 362, and the main motor 361 drives the screw rod 31 to rotate. The main motor 361 in the transmission mechanism 36 serves as a power source and can provide the screw rod 31 with the power required for rotation. Through the driving of the main motor 361, the screw rod 31 can stably rotate in the cylinder 32, thereby pushing the plastic raw materials in the cylinder 32 to move forward and realizing the extrusion process of the plastic. This is a key power transmission link for the normal operation of the entire extruder. The power of the main motor 361 is transmitted to the screw rod 31 through the transmission box 362. The transmission box 362 plays a role in power conversion and adaptation. It can adjust the rotation speed and torque output by the main motor 361 appropriately according to different production needs, so as to meet the appropriate rotation speed and torque required by the screw rod 31 under different working conditions (such as extrusion of different plastic raw materials, different extrusion speed requirements, etc.), and ensure that the screw rod 31 can operate normally.

[0026] In this embodiment, as shown in the figure, Figure 1 , 2As shown, the adjusting and locking mechanism 37 comprises an upper pressing block 371, a lower pressing block 372, and a first guide column 261 clamped between the upper pressing block 371 and the lower pressing block 372 through a circular groove between the upper pressing block 371 and the lower pressing block 372, and the extruder body 3 is arranged on the upper pressing block 371. The upper pressing block 371 and the lower pressing block 372 are connected through two screws, and one end of the upper pressing block 371 is rotatably connected with a supporting lead screw 373, and the second guide column 262 is rotatably connected with an adjusting block 374, and the supporting lead screw 373 is arranged in the adjusting block 374. The angle between the upper pressing block 371 and the horizontal direction is adjusted by rotating the supporting lead screw 373, so that the angle between the extruder body 3 arranged on the upper pressing block 371 and the horizontal direction is adjusted. The adjusting and locking mechanism 37 can realize the fine adjustment of the angle between the upper pressing block 371 and the horizontal direction by rotating the supporting lead screw 373, and the supporting lead screw 373 is arranged in the adjusting block 374 and forms a linkage structure with the upper pressing block 371, the second guide column 262 and other components. Furthermore, the angle between the extruder body 3 arranged on the upper pressing block 371 and the horizontal direction is accurately adjusted, and the upper pressing block 371 and the lower pressing block 372 are connected through screws, and the first guide column 261 is clamped in the circular groove between the two. This structure can realize stable locking after the angle is adjusted. When adjusting the angle of the extruder body 3 in the horizontal direction, first loosen the two screws between the upper pressing block 371 and the lower pressing block 372, so that there is a gap between the upper pressing block 371 and the lower pressing block 372.

[0027] In this embodiment, as shown in the figure, Figure 1 The hopper 35 is provided with a hopper cover 351. The hopper cover 351 can play a protective role to prevent foreign matters such as dust and impurities from the outside from entering the hopper 35 and mixing with the plastic raw materials.

[0028] In this embodiment, as shown in the figure, Figure 4 The base 1 is also provided with an electrical control box 5, and the electrical control box 5 is provided with an exhaust fan 51. The electrical control box 5 serves as the control center of the entire adjustable plastic extruder, and can centrally control and manage various electrical components of the extruder. The exhaust fan 51 is mainly used for heat dissipation of electrical equipment in the box.

[0029] In this embodiment, as shown in the figure, Figure 1 The water quick-change connector 6 is further sleeved on the machine cylinder 32 between the hopper 35 and the heating ring 33. The water quick-change connector 6 provides a convenient medium access mode for the machine cylinder 32. Through the connector, the external cooling water pipeline can be quickly and conveniently connected.

[0030] In this embodiment, as shown in the figure, Figure 1 The base 1 is provided with four wheels 11 at the bottom. The wheels 11 are universal casters.

[0031] The above examples are exemplary, and the purpose is to illustrate the technical concept and characteristics of the utility model, so that the understanding can understand the content of the utility model and implement it, and cannot limit the protection scope of the utility model. Any equivalent change or modification according to the spirit and essence of the utility model should be covered in the protection scope of the utility model.

Claims

1. An adjustable plastic extruder characterized by: The utility model relates to an extruder body (3) and a regulating locking mechanism (37) are arranged on the base (1), and the extruder body (3) is connected with the extruder body (3) on one side of the elevating system (2) through the elevating system (2), and the elevating system (2) is used for adjusting the height of extruder body (3) in the vertical direction, and the extruder body (3) includes screw rod (31), cylinder (32), heating ring (33), cooling fan (34), hopper (35), transmission mechanism (36), regulating locking mechanism (37), the screw rod (31) is sleeved in cylinder (32), the heating ring (33) is sleeved in cylinder (32) outside, is used for heating cylinder (32), the cooling fan (34) is covered in heating ring (33) outside, and the cooling fan (34) is used for heating cylinder (32) with heating ring (33) cooperation control cylinder (32) temperature, one end of screw rod (31) and cylinder (32) is connected with transmission mechanism (36) through the motor connecting seat (4) of sleeveing in cylinder (32) outside, transmission mechanism (36) drives screw rod (31) to rotate, hopper (35) is installed on the cylinder (32) between cooling fan (34) and motor connecting seat (4), regulating locking mechanism (37) is installed on elevating system (2), is used for fine adjustment cylinder (32) and the included angle of horizontal plane. The elevating system (2) includes cover shell (20), support seat (21), elevating speed reducer (22), a pair of guide posts (23), first lead screw (24), cover shell (20) is installed on the base (1), support seat (21) is installed on the base (1) and is located in cover shell (20), a pair of guide posts (23) and first lead screw (24) are vertically installed on the base (1) and are located in cover shell (20), and the upper end is connected with cover shell (20), the first lead screw (24) is sleeved with the screw sleeve (25), the screw sleeve (25) is installed with the moving plate (26), the moving plate (26) is adjustably installed with first guide post (261) and second guide post (262), a pair of guide posts (23) are threaded in the moving plate (26), and the elevating speed reducer (22) rotates the first lead screw (24) and cooperates the screw sleeve (25) to drive the moving plate (26) to move up and down.

2. An adjustable plastic extruder as defined in claim 1, wherein: The transmission mechanism (36) includes main motor (361), transmission box (362), the transmission box (362) is connected with motor connecting seat (4), the screw rod (31) is inserted into transmission box (362), and the main motor (361) drives the screw rod (31) to rotate.

3. An adjustable plastic extruder as defined in claim 2, wherein: The regulating locking mechanism (37) includes upper pressing block (371), lower pressing block (372), the first guide post (261) is clamped between the upper pressing block (371) and the lower pressing block (372) through the circular groove between the upper pressing block (371) and the lower pressing block (372), the extruder body (3) is arranged on the upper pressing block (371), the upper pressing block (371) and the lower pressing block (372) are connected through screws, one end of the upper pressing block (371) is rotatably connected with the support lead screw (373), the second guide post (262) is rotatably connected with the adjusting block (374), 4. An adjustable plastic extruder as defined in claim 3, wherein: ​ The supporting screw rod (373) is arranged in the adjusting block (374), and the angle between the upper pressing block (371) and the horizontal direction is finely adjusted by rotating the supporting screw rod (373), so that the angle between the extruder body (3) arranged on the upper pressing block (371) and the horizontal direction is adjusted.

5. An adjustable plastic extruder as defined in claim 1, wherein: The hopper (35) is provided with a hopper cover (351).

6. An adjustable plastic extruder as defined in claim 1, wherein: The base (1) is further provided with an electrical control box (5), and the electrical control box (5) is provided with an exhaust fan (51).

7. An adjustable plastic extruder as defined in claim 1, wherein: The water quick-change connector (6) is further sleeved on the machine cylinder (32) between the hopper (35) and the heating ring (33).

8. An adjustable plastic extruder as claimed in any one of claims 1 to 7, wherein: A group of wheels (11) are mounted on the bottom of the base (1).