Plastic bar cold-pressing extrusion device

By introducing an adjustable traction structure and a linked cutting mechanism into the cold extrusion device for plastic rods, the problems of unstable clamping and mismatched cutting in traditional devices have been solved, achieving higher production stability and efficiency.

CN223948472UActive Publication Date: 2026-02-27ZHANGJIAGANG FRIEND MASCH CO LTD
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Patent Information

Application Number
CN202520936289.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-13
Publication Date
2026-02-27
Estimated Expiration
2035-05-13

AI Technical Summary

Technical Problem

Traditional cold extrusion equipment for plastic rods cannot dynamically adjust the traction device, which makes the rods prone to deviation or slippage. The lack of linkage control between the traction and cutting mechanisms affects the stability and continuity of production.

Method used

It adopts an adjustable traction structure, and the position of the track clamping is adjusted by threaded screws and sleeves. Combined with motor drive, it can adaptively clamp and traction the bar stock. The cutting mechanism is linked with the traction mechanism to ensure that the cutting timing and traction speed are matched.

Benefits of technology

It improves the stability of the bar stock during the conveying process, prevents deviation and slippage, enhances the continuity of production and ease of operation, and improves work efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of plastic processing, in particular to a plastic bar cold-pressing extrusion device which comprises a first base, a material conveying piece is arranged on the first base, a second base is arranged at the front end of the first base, a traction piece and a cutting piece are arranged on the second base, the traction piece comprises the clamping crawler belt, a second motor is arranged at the upper end of the second base, and a screw rod is fixedly connected to the upper end of an output shaft of the second motor; the screw rod is provided with two opposite threads, and each corresponding thread is provided with a thread sleeve in a threaded mode. By arranging the traction structure capable of being adjusted up and down, the extruded plastic bars can be adaptively clamped in the process of replacing and adjusting the aperture of the first groove body, so that the stability of the bars in the conveying process can be improved, and the production efficiency is improved. And the problem that in the production process, due to the fact that a traction device inconveniently carries out corresponding clamping and traction work on the bar according to the size, the working efficiency is low is solved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of plastic processing, specifically relates to plastic bar cold pressure extrusion device. BACKGROUND

[0002] The plastic bar cold pressure extrusion device is a mechanical equipment specially used for processing plastic particles or powder into bar materials, and its core function is to extrude molten or softened plastic materials from a mold through physical extrusion to form continuous bar products, although the equipment name contains "cold pressure", but in actual production, the heating melting step is often combined to make the plastic reach a plastic state before extrusion, and the device usually includes a feeding system, a heating system, an extrusion mechanism, a traction mechanism and a cutting mechanism, and the continuous production of plastic bar materials is realized through the cooperative work of the components.

[0003] The clamping structure of the traditional traction device is fixed and cannot be dynamically adjusted according to the size of the bar material, which leads to the deviation or slipping of the bar material during the traction process, affects the production stability, and the traction mechanism and the cutting mechanism operate independently, lack of linkage control, which leads to the mismatching of the cutting time and the traction speed, and the cutting error or the deformation of the bar material is easy to occur.

[0004] The existing plastic bar cold pressure extrusion device has significant deficiencies in traction stability, production continuity and operation convenience. UTILITY MODEL CONTENTS

[0005] In order to overcome the significant deficiencies of the existing plastic bar cold pressure extrusion device in traction stability, production continuity and operation convenience, a plastic bar cold pressure extrusion device is proposed.

[0006] The technical scheme of the utility model is as follows: the plastic bar cold pressure extrusion device comprises a first base, a clamping track and a cutting piece, a feeding piece is arranged on the first base, a second base is arranged at the front end of the first base, a traction piece and a cutting piece are arranged on the second base, the traction piece comprises a clamping track, a second motor is arranged at the upper end of the second base, a screw rod is fixedly connected to the upper end of the output shaft of the second motor, two opposite threads are arranged on the screw rod, and a screw sleeve is threadedly arranged on each corresponding thread, a fixed plate is arranged at the left end of the screw sleeve, two fixed plates are arranged, two rotating columns are rotatably arranged at the same horizontal end of the two fixed plates, a connecting seat is fixedly connected to the right end of the rotating column behind the fixed plate, a connecting rod is hingedly connected to the other end of the connecting seat, a fixed table is fixedly connected to the upper end of the second base, two third motors for providing power are arranged on the fixed table, and the output shaft left ends of the two third motors are respectively hingedly connected with connecting rods.

[0007] Preferably, the upper end of the first base is provided with a processing chamber, a shaft connector and a first motor. The upper part of the outer wall of the processing chamber is provided with a feed inlet, and the rear end of the processing chamber is provided with a shaft connector. The front end of the output shaft of the first motor is connected to the rear end of the shaft connector, and the front end of the shaft connector is rotatably provided with a rotating rod.

[0008] Preferably, the rotating rod is located inside the processing chamber and is fixed to the outer wall with an auger plate. The front end of the processing chamber has a first groove, and the outer wall of the processing chamber is provided with multiple heating rings.

[0009] Preferably, two limiting rods are fixed to the upper end of the second base, and two limiting rings are fixed to the right end near the right side of the fixing plate on the second base. The inner wall of the limiting ring and the outer wall of the limiting rod fit together.

[0010] Preferably, a rotating column is fixed to one of the ends of the two fixed plates that are far apart from each other, and the rotating column is rotatably mounted on the fixed mount.

[0011] Preferably, the cutting component includes a cutting table, the upper end of the second base is fixedly connected to the cutting table, the upper end of the cutting table is provided with two limiting grooves, the limiting grooves are slidably arranged with limiting sliders, and the ends of the two limiting sliders that are close to each other are fixedly connected to a cutting blade.

[0012] Preferably, a second groove is provided through the front and rear ends of the cutting table, and a third groove is provided at the upper end of the cutting table. An electric cylinder is fixedly connected to the inner wall of the third groove, and a connecting block is fixedly connected to the rear end of the cutting blade. The upper end of the connecting block and the lower end of the telescopic rod of the electric cylinder are fixedly connected to each other.

[0013] The advantages of this utility model are: by setting up an adjustable traction structure, the extruded plastic rods can be adaptively clamped during the process of changing and adjusting the aperture of the first groove, thereby improving the stability of the rods during the conveying process and preventing the problem of low work efficiency caused by the traction device not being able to clamp and pull the rods according to their size during the production process. Attached Figure Description

[0014] Figure 1 The diagram shown is a three-dimensional structural schematic of this utility model;

[0015] Figure 2 The diagram shown is a cross-sectional perspective view of the present invention.

[0016] Figure 3 The diagram shown is a three-dimensional structural schematic of the traction device of this utility model;

[0017] Figure 4 The diagram shown is a three-dimensional structural schematic diagram of the traction device of this utility model from the right perspective.

[0018] Figure 5 The three-dimensional structure schematic diagram of the cutting member is shown.

[0019] The marks in the drawings are: 1, first base; 2, processing bin; 3, feeding port; 4, joint shaft; 5, first motor; 6, heating ring; 7, rotating rod; 8, auger piece; 9, first groove body; 10, second base; 11, limiting rod; 12, limiting ring; 13, fixed plate; 14, rotating column; 15, fixed mounting device; 16, clamping track; 17, screw sleeve; 18, second motor; 19, screw rod; 20, fixed table; 21, third motor; 22, connecting rod; 23, connecting seat; 24, cutting table; 25, limiting sliding groove; 26, limiting sliding block; 27, cutting piece; 28, second groove body; 29, connecting block; 30, third groove body; 31, electric cylinder. DETAILED DESCRIPTION

[0020] The utility model is further explained in connection with the drawings and examples.

[0021] Please refer to Figures 1-5 The utility model provides a kind of embodiment: plastic bar cold pressure extrusion device, including first base 1;Still including clamping track 16 and cutting member, first base 1 is provided with conveying member, the front end of first base 1 is provided with second base 10, second base 10 is provided with traction member and cutting member, traction member includes clamping track 16, the upper end of second base 10 is provided with second motor 18, the output shaft upper end of second motor 18 is fixedly connected with screw rod 19, screw rod 19 is provided with two opposite threads and each corresponding thread is screw mounted with screw sleeve 17, the left end of screw sleeve 17 is provided with fixed plate 13, fixed plate 13 is provided with two, two fixed plate 13 are located at the same horizontal and one end close to each other Rotationally arranged two rotating columns 14, the right end of rotating column 14 located on the back of fixed plate 13 is fixedly connected with connecting seat 23, the other end of connecting seat 23 is hinged with connecting rod 22, the upper end of second base 10 is fixedly connected with fixed table 20, fixed table 20 is provided with two third motors 21 for providing power, the output shaft left end of two third motors 21 is respectively hinged with connecting rod 22, by being provided with up and down adjustable traction structure, can be in the process of replacing and adjusting the aperture of first groove body 9, the adaptability of the plastic bar after extrusion is clamped to work, so that the stability of bar in the conveying process can be improved, prevent the size of bar from being conveniently clamped and pulled in the production process due to traction device, so as to cause the problem of low work efficiency.

[0022] Please refer to Figures 1-2In the embodiment, the upper end of the first base 1 is provided with a processing bin 2, an adapter 4 and a first motor 5, the outer wall of the upper end of the processing bin 2 is provided with an inlet 3, the rear end of the processing bin 2 is provided with the adapter 4, the output shaft of the first motor 5 is connected to the rear end of the adapter 4, the front end of the adapter 4 is rotatably provided with a rotating rod 7, the rotating rod 7 is located in the processing bin 2 and the outer wall of the rotating rod 7 is fixedly connected with a screw flight 8, the front end of the processing bin 2 is provided with a first groove 9, and the outer wall of the processing bin 2 is provided with a plurality of heating rings 6. The processing bin 2 is heated by the heating rings 6 to melt the plastic particles. The rotating rod 7 on the telescopic rod of the first motor 5 drives the screw flight 8 to rotate by being turned on, so as to perform subsequent extrusion molding work on the plastic particles.

[0023] Please refer to Figures 3-5 In the embodiment, the upper end of the second base 10 is fixedly connected with two limiting rods 11, the right end of the right fixed plate 13 close to the second base 10 is fixedly connected with two limiting rings 12, the inner wall of the limiting ring 12 and the outer wall of the limiting rod 11 are matched with each other, the two limiting rings 12 are limited to move on the different limiting rods 11 respectively, so that the up and down positions of the two clamping tracks 16 can be adjusted when the screw rod 19 is driven to rotate by the second motor 18, the rotating column 14 is fixedly connected to the rotating column 14 at the end of the two fixed plates 13 away from each other, the rotating column 14 is rotatably arranged on the fixed mounting device 15, the cutting member comprises a cutting table 24, the upper end of the second base 10 is fixedly connected with the cutting table 24, the upper end of the cutting table 24 is provided with two limiting sliding grooves 25, the limiting sliding grooves 25 are slidably provided with limiting sliding blocks 26, the cutting blade 27 is fixedly connected to the end of the two limiting sliding blocks 26 close to each other, the front and rear ends of the cutting table 24 are provided with a second groove 28, the upper end of the cutting table 24 is provided with a third groove 30, the inner wall of the third groove 30 is fixedly connected with an electric cylinder 31, the rear end of the cutting blade 27 is fixedly connected with a connecting block 29, and the upper end of the connecting block 29 and the lower end of the telescopic rod of the electric cylinder 31 are fixedly connected with each other.

[0024] In the work of producing plastic rod, the plastic particles are put into the processing bin 2 from the feeding port 3, then the plastic particles in the processing bin 2 are melted, transported and shaped by starting the first motor 5 and the heating ring 6, then the plastic rod is placed on one end of the two clamping caterpillar belts 16, then the position of the two clamping caterpillar belts 16 is adjusted to approach or away from each other by starting the second motor 18 to drive the screw 19 to rotate and by limiting the two limiting rings 12 through the limiting rod 11, so that the shaped plastic rod is clamped, when the clamping adjustment is completed, the cutting table 24 in the corresponding direction is rotated by starting the third motor 21, so that the two clamping caterpillar belts 16 pull the plastic rod, since the two clamping caterpillar belts 16 are displaced, the connecting seat 23, the connecting rod 22 and the output shaft of the third motor 21 are connected in a rotary hinged manner, so as not to affect the normal work of the third motor 21, then the second slot 28 is quantitatively and quickly cut by controlling the descending frequency of the electric cylinder 31.

Claims

1. A plastic rod cold pressing extrusion device, comprising a first base (1); characterized in that: Also include clamping track (16) and cutting parts, the first base (1) is provided with a material conveying part, the front end of the first base (1) is provided with a second base (10), the second base (10) is provided with a traction member and a cutting member, the traction member includes a clamping track (16), the upper end of the second base (10) is provided with a second motor (18), the output shaft of the second motor (18) is fixedly connected with a screw rod (19), the screw rod (19) is provided with two opposite threads, and each corresponding thread is threadedly connected with a screw sleeve (17), the left end of the screw sleeve (17) is provided with a fixed plate (13), the fixed plate (13) is provided with two, the two fixed plates (13) are rotatably provided with two rotating columns (14) at the same horizontal and close end, the right end of the rotating column (14) located behind the fixed plate (13) is fixedly connected with a connecting seat (23), the other end of the connecting seat (23) is hingedly connected with a connecting rod (22), the upper end of the second base (10) is fixedly connected with a fixed table (20), the fixed table (20) is provided with two third motors (21) for providing power, the output shaft left end of the two third motors (21) is respectively hingedly connected with a connecting rod (22).

2. A plastic rod cold pressing extrusion device according to claim 1, characterized in that: The upper end of the first base (1) is provided with a processing bin (2), an axle adapter (4) and a first motor (5), the outer wall of the processing bin (2) is provided with an inlet (3), the rear end of the processing bin (2) is provided with an axle adapter (4), the output shaft of the first motor (5) is connected to the rear end of the axle adapter (4), and the front end of the axle adapter (4) is rotatably provided with a rotating rod (7).

3. A plastic rod cold pressing extrusion device according to claim 2, characterized in that: The rotating rod (7) is located in the processing bin (2) and the outer wall is fixedly connected with an auger blade (8), the front end of the processing bin (2) is provided with a first slot (9), and the outer wall of the processing bin (2) is provided with a plurality of heating rings (6).

4. A plastic rod cold pressing and extruding device according to claim 1, characterized in that: The upper end of the second base (10) is fixedly connected with two limiting rods (11), the right end of the right fixed plate (13) close to the second base (10) is fixedly connected with two limiting rings (12), and the inner wall of the limiting ring (12) and the outer wall of the limiting rod (11) are mutually attached.

5. A plastic rod cold pressing and extruding device according to claim 1, characterized in that: The rotating column (14) is fixedly connected to the rotating column (14) at the end of the two fixed plates (13) away from each other, and the rotating column (14) is rotatably arranged on the fixed mounting device (15).

6. A plastic rod cold pressing and extruding device according to claim 1, characterized in that: The cutting member includes a cutting table (24), the upper end of the second base (10) is fixedly connected with a cutting table (24), the upper end of the cutting table (24) is provided with two limiting sliding grooves (25), the limiting sliding grooves (25) are slidably provided with limiting sliding blocks (26), and the two limiting sliding blocks (26) are fixedly connected with cutting blades (27) at the end close to each other.

7. A plastic rod cold pressing and extruding device according to claim 6, characterized in that: The front and rear ends of the cutting table (24) are provided with a second slot (28), the upper end of the cutting table (24) is provided with a third slot (30), the inner wall of the third slot (30) is fixedly connected with an electric cylinder (31), the rear end of the cutting blade (27) is fixedly connected with a connecting block (29), and the upper end of the connecting block (29) and the lower end of the telescopic rod of the electric cylinder (31) are fixedly connected with each other.