Wear-resistant conical double machine barrel

By designing wear-resistant components and connecting components, the wear problem of the conical twin-screw extruder's conical twin-barrel was solved, achieving wear resistance and disassembly of the conical twin-barrel, reducing material waste and replacement costs, and extending the barrel's service life.

CN223657574UActive Publication Date: 2025-12-12ZHEJIANG ZHONGYANG SCREW MFG
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Patent Information

Application Number
CN202520091865.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-15
Publication Date
2025-12-12
Estimated Expiration
2035-01-15

AI Technical Summary

Technical Problem

The conical twin-screw extruder's barrel is prone to wear during use, leading to severe wear at the discharge port, resulting in substandard extruded products and material waste. Furthermore, it cannot be recycled, increasing replacement costs.

Method used

A wear-resistant conical double barrel was designed, which adopts a combination structure of wear-resistant components and connecting components. The wear-resistant components are connected by wear-resistant inner sleeves and screws, which can facilitate disassembly and replacement. Combined with the rotational connection of parallel twin screws, wear is reduced and barrel life is extended.

Benefits of technology

It effectively reduces wear on the conical double barrel, reduces material waste, improves product qualification rate, extends barrel service life, and reduces replacement frequency and cost.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a wear-resistant conical double machine barrel, which relates to the technical field of conical double machine barrels and comprises a machine barrel discharging section, a machine barrel feeding section, a wear-resistant component, a screw, a connecting component and a feeding hole, the machine barrel feeding section is arranged at one end of the machine barrel discharging section, the wear-resistant component is inserted into an inner cavity of the machine barrel discharging section in a penetrating manner and is used for friction extrusion of materials, and the screw is arranged in the machine barrel discharging section. The screws are arranged on the feeding section of the machine barrel, the connecting assembly is arranged on the feeding section of the machine barrel, and the feeding hole is formed in the outer wall of the feeding section of the machine barrel. Through the arrangement mode that the wear-resisting assembly, the screw and the connecting assembly are matched, the screw is utilized, the machine barrel discharging section and the machine barrel feeding section can be conveniently connected, the wear-resisting assembly can be disassembled, assembled and replaced on the machine barrel discharging section, the phenomenon that an extruded product is unqualified due to the fact that an inner cavity of the machine barrel discharging section is abraded is reduced, and the quality of the extruded product is improved. And by replacing the wear-resistant assembly, the consumption of finished products is reduced, the service life of the conical double-cylinder is prolonged, and the times of replacing the cylinder by a customer are reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a conical double barrel technology field especially relates to a wear -resisting conical double barrel. BACKGROUND

[0002] The conical double screw extruder is a kind of high-efficiency mixing, extruding equipment.The conical double screw extruder is mainly composed of conical double barrel and parallel conical double screw and motor equipment, and the traditional conical double barrel is integral material, and is formed by 38CrMoAlA steel through turning and boring precision grinding.

[0003] But the conical double barrel inner hole is integrally processed, the hardness of barrel inner hole nitriding treatment is same, parallel conical double screw pushes material repeatedly in the conical double barrel, leading to the wear of one end of conical double barrel discharge port, too much wear, it is easy to cause that extrusion product is unqualified, and extrusion material is wasted, lead to the conical double barrel after wearing cannot be used again, can only replace new barrel, lead to cause cost is very high, cannot be recycled. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a wear -resisting conical double barrel to solve the problems in the above background.

[0005] To realize the above-mentioned purpose, the utility model provides the following technical scheme: a wear -resisting conical double barrel, comprising:

[0006] Barrel discharge section;

[0007] Barrel feeding section, the barrel feeding section is arranged at one end of barrel discharge section;

[0008] Wear -resisting component, the wear -resisting component is inserted in the inner chamber of barrel discharge section, and the wear -resisting component is used for the friction extrusion of material;

[0009] Screw, a plurality of screw is arranged on barrel feeding section, and the screw is used for the connection of barrel feeding section and barrel discharge section;

[0010] Connecting component, the connecting component is arranged on barrel feeding section;

[0011] Feeding hole, the feeding hole is opened in the outer wall of barrel feeding section.

[0012] Preferably, the barrel discharge section includes:

[0013] Mixing zone, the mixing zone is arranged at one end close to barrel feeding section;

[0014] Extrusion zone, the extrusion zone is integrally formed and fixed at one end away from barrel feeding section of mixing zone;

[0015] The first exhaust hole is arranged on the outer wall of the mixing area.

[0016] Preferably, the wear-resistant assembly comprises:

[0017] The wear-resistant inner sleeve is inserted into the inner cavity of the mixing area and the extruding area by the pushing of the hydraulic machine.

[0018] The second exhaust hole is arranged on the outer wall of the wear-resistant inner sleeve.

[0019] Preferably, the second exhaust hole is arranged opposite to the inner cavity of the first exhaust hole, and one end of the wear-resistant inner sleeve abuts against the end of the inner wall of the barrel feeding section.

[0020] Preferably, the connecting assembly comprises:

[0021] The connecting groove is arranged on the outer wall of the barrel feeding section, the screw is connected with the inner wall of the connecting groove, and the screw is connected with one end of the adjacent mixing area.

[0022] The insert block is arranged in the inner cavity of the connecting groove, and the insert block is used for plugging the inner cavity of the connecting groove.

[0023] Preferably, the inner cavity of the barrel feeding section is provided with parallel double screws, and the parallel double screws are rotationally connected with the inner cavity of the wear-resistant inner sleeve.

[0024] The technical effects and advantages of the utility model are as follows:

[0025] The wear-resistant assembly, the screw and the connecting assembly are matched and arranged, the screw is used for conveniently connecting the barrel discharging section and the barrel feeding section, the wear-resistant assembly can be disassembled and replaced in the barrel discharging section, the phenomenon that the extruded product is unqualified due to the wear of the inner cavity of the barrel discharging section is reduced, the material waste is reduced, the cost of the finished product is reduced by replacing the wear-resistant assembly, the service life of the double barrel machine is prolonged, and the frequency of replacing the barrel by the customer is reduced. DRAWINGS

[0026] Fig. 1 It is a whole front structure schematic diagram of the utility model.

[0027] Fig. 2 It is a whole front sectional structure schematic diagram of the utility model.

[0028] Fig. 3 It is a barrel feeding section A-A side sectional structure schematic diagram of the utility model.

[0029] In the figure: 1, machine cylinder discharge section; 11, mixing area; 12, extrusion area; 13, first exhaust hole; 2, machine cylinder feeding section; 3, wear-resistant assembly; 31, wear-resistant inner sleeve; 32, second exhaust hole; 4, screw; 5, connecting assembly; 51, connecting groove; 52, insert block; 6, feeding hole; 7, parallel double screw. DETAILED DESCRIPTION

[0030] 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, rather than 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.

[0031] The utility model provides a kind of wear-resistant cone double barrel as shown in Figs. 1-3 The utility model provides a kind of wear-resistant cone double barrel as shown in The utility model discloses a kind of wear-resistant cone double barrel, including: machine cylinder discharge section 1, machine cylinder feeding section 2, wear-resistant assembly 3, screw 4, connecting assembly 5 and feeding hole 6, machine cylinder feeding section 2 is set in one end of machine cylinder discharge section 1, wear-resistant assembly 3 is inserted in the inner cavity of machine cylinder discharge section 1, wear-resistant assembly 3 is used for the friction extrusion of material, multiple screw 4 is set on machine cylinder feeding section 2, screw 4 is used for the connection of machine cylinder feeding section 2 and machine cylinder discharge section 1, connecting assembly 5 is set on machine cylinder feeding section 2, feeding hole 6 is opened in the outer wall of machine cylinder feeding section 2, by the opening of feeding hole 6, the material of extrusion can pass through feeding hole 6 and enter the inner cavity of machine cylinder feeding section 2, the inner cavity of machine cylinder feeding section 2 is provided with parallel double screw 7, parallel double screw 7 is engaged in the inner cavity of machine cylinder discharge section 1 and is rotatably connected, to facilitate the mixing and discharge of material by the spiral agitation of parallel double screw 7.

[0032] The utility model provides a kind of wear-resistant cone double barrel as shown in The utility model discloses a kind of wear-resistant cone double barrel, including: machine cylinder discharge section 1, machine cylinder feeding section 2, wear-resistant assembly 3, screw 4, connecting assembly 5 and feeding hole 6, machine cylinder feeding section 2 is set in one end of machine cylinder discharge section 1, wear-resistant assembly 3 is inserted in the inner cavity of machine cylinder discharge section 1, wear-resistant assembly 3 is used for the friction extrusion of material, multiple screw 4 is set on machine cylinder feeding section 2, screw 4 is used for the connection of machine cylinder feeding section 2 and machine cylinder discharge section 1, connecting assembly 5 is set on machine cylinder feeding section 2, feeding hole 6 is opened in the outer wall of machine cylinder feeding section 2, by the opening of feeding hole 6, the material of extrusion can pass through feeding hole 6 and enter the inner cavity of machine cylinder feeding section 2, the inner cavity of machine cylinder feeding section 2 is provided with parallel double screw 7, parallel double screw 7 is engaged in the inner cavity of machine cylinder discharge section 1 and is rotatably connected, to facilitate the mixing and discharge of material by the spiral agitation of parallel double screw 7.

[0033] In addition, the wear-resistant assembly 3 comprises a wear-resistant inner sleeve 31 and a second exhaust hole 32. The wear-resistant inner sleeve 31 is made of different materials to meet various customer requirements, such as SKD material, alloy material with a hardness of HRC360-65, or other super-hard materials, which can improve the stability of the wear-resistant inner sleeve 31 used in the inner cavity of the mixing zone 11 and the extrusion zone 12, improve the wear resistance of the inner cavity of the mixing zone 11 and the extrusion zone 12, and the thickness of the wear-resistant inner sleeve 31 is 6-12mm matched with the barrel feeding section 2, which greatly meets the requirements of various customers. The wear-resistant inner sleeve 31 is inserted into the inner cavity of the mixing zone 11 and the extrusion zone 12 by the pushing of the hydraulic machine, and the parallel double screw 7 is rotationally connected with the inner cavity of the wear-resistant inner sleeve 31, so that the parallel double screw 7 can bring the materials to mix and move in the wear-resistant inner sleeve 31. The second exhaust hole 32 is provided on the outer wall of the wear-resistant inner sleeve 31, and the second exhaust hole 32 is arranged opposite to the inner cavity of the first exhaust hole 13, so that the gas in the inner cavity of the wear-resistant inner sleeve 31 can be discharged through the second exhaust hole 32 and the first exhaust hole 13. One end of the wear-resistant inner sleeve 31 abuts against the end of the inner wall of the barrel feeding section 2, and the other end of the wear-resistant inner sleeve 31 tightly abuts against the barrel feeding section 2, so that the materials entering the inner cavity of the barrel feeding section 2 can move towards the discharge end of the wear-resistant inner sleeve 31 under the agitation of the parallel double screw 7, and the wear-resistant inner sleeve 31 can be disassembled and replaced in the inner cavity of the barrel discharge section 1 by the pushing of the hydraulic cylinder on different end faces of the wear-resistant inner sleeve 31, thereby reducing the phenomenon that the extrusion product is unqualified due to the wear of the inner cavity of the barrel discharge section 1, reducing material waste, and prolonging the service life of the conical double barrel by replacing the wear-resistant assembly 3, and reducing the frequency of replacing the entire barrel discharge section 1 for the customer.

[0034] Further, the connecting assembly 5 comprises a connecting groove 51 and an insert block 52. The connecting groove 51 is provided on the outer wall of the barrel feeding section 2, and the screw 4 is insertedly connected with the inner wall of the connecting groove 51. The screw 4 is insertedly connected with one end of the adjacent mixing zone 11. Through the screw 4, the barrel discharge section 1 and the barrel feeding section 2 can be stably connected. The insert block 52 is arranged in the inner cavity of the connecting groove 51 and is used for plugging the inner cavity of the connecting groove 51. The insert block 52 is adapted to the structure of the inner cavity of the connecting groove 51. By tightly pressing the insert block 52 in the inner cavity of the connecting groove 51, the insert block 52 can fill the inner cavity of the connecting groove 51, so that the screw 4 can be hidden in the inner cavity of the connecting groove 51, thereby protecting the screw 4, improving the stability of the connection between the barrel discharge section 1 and the barrel feeding section 2, facilitating the disassembly and assembly of the barrel discharge section 1 and the barrel feeding section 2, and allowing the wear-resistant inner sleeve 31 to be made of different types of materials, thereby facilitating the repeated use of the barrel discharge section 1.

[0035] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A wear resistant cone twin barrel characterized in that, The utility model relates to a kind of extrusion machine, including: Barrel discharge section (1); Barrel feed section (2), the barrel feed section (2) is arranged in one end of barrel discharge section (1); Wear-resistant component (3), the wear-resistant component (3) is inserted in the inner cavity of barrel discharge section (1), and the wear-resistant component (3) is used for the friction extrusion of material; Screw (4), a plurality of screw (4) are arranged on barrel feed section (2), and the screw (4) is used for the connection of barrel feed section (2) and barrel discharge section (1); Connecting assembly (5), the connecting assembly (5) is arranged on barrel feed section (2); Feed hole (6), the feed hole (6) is opened in the outer wall of barrel feed section (2).

2. A wear cone double barrel according to claim 1, wherein, The barrel discharge section (1) includes: Mixing area (11), the mixing area (11) is arranged in one end close to barrel feed section (2); Extrusion zone (12), the extrusion zone (12) is integrally formed and fixed in one end of mixing area (11) away from barrel feed section (2); First exhaust hole (13), the first exhaust hole (13) is opened in the outer wall of mixing area (11).

3. A wear cone double barrel according to claim 2, wherein, The wear-resistant component (3) includes: Wear-resistant inner sleeve (31), the wear-resistant inner sleeve (31) is inserted in the inner cavity of mixing area (11) and extrusion zone (12) by the push of hydraulic machine; Second exhaust hole (32), the second exhaust hole (32) is opened in the outer wall of wear-resistant inner sleeve (31).

4. A wear cone double barrel according to claim 3, wherein, The second exhaust hole (32) is arranged opposite to the inner cavity of first exhaust hole (13), and one end of the wear-resistant inner sleeve (31) is abutted with the inner wall end of barrel feed section (2).

5. A wear cone double barrel according to claim 2, wherein, The connecting assembly (5) includes: Connecting groove (51), the connecting groove (51) is opened in the outer wall of barrel feed section (2), the screw (4) is inserted and connected with the inner wall of connecting groove (51), and the screw (4) is inserted and connected with one end of adjacent mixing area (11); Inlay (52), the inlay (52) is arranged in the inner cavity of connecting groove (51), and the inlay (52) is used for the plugging of connecting groove (51) inner cavity.

6. A wear cone double barrel according to claim 3, wherein, The inner cavity of barrel feed section (2) is provided with parallel double screw (7), and the parallel double screw (7) is rotatably connected with the inner cavity of wear-resistant inner sleeve (31).