Extrusion container quick-change structure and extruder

Abstract

The utility model provides an extrusion container quick-change structure and an extruder, the extrusion container quick-change structure comprises an inner sleeve, an outer sleeve, a connecting sleeve and a locking assembly, the outer sleeve is fixedly sleeved outside the connecting sleeve, and the connecting sleeve is detachably and fixedly sleeved outside the inner sleeve; a limiting assembly is arranged between the first end of the connecting sleeve and the first end of the inner sleeve, and the first end of the connecting sleeve and the first end of the inner sleeve are limited in the axial direction through the limiting assembly. The locking assembly is arranged between the second end of the connecting sleeve and the second end of the inner sleeve, and the locking assembly is configured to lock and fix the second end of the connecting sleeve to the second end of the inner sleeve. According to the quick-change structure of the extrusion container, through the cooperation of the connecting sleeve, the limiting assembly and the locking assembly, a connecting mode capable of being quickly disassembled and assembled is provided for the outer sleeve and the inner sleeve, the replacement efficiency of the inner sleeve is improved, the structure is simple, and operation is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to extruder manufacturing technical field especially relates to a kind of extrusion cylinder quick-change structure and extruder. BACKGROUND

[0002] Extruder is indispensable equipment in modern industry, and is widely used in the processing of plastics, metals and food materials.Extruder pushes raw materials into mold under the action of heating and pressure to realize various complex-shaped products.The extrusion cylinder plays a crucial role in the key components of extruder.It is responsible for heating and plasticizing raw materials and providing necessary pressure to ensure uniform flow of materials to the mold.

[0003] The traditional extrusion cylinder is mainly composed of an inner sleeve and an outer sleeve.The outer sleeve is usually installed outside the inner sleeve through multiple locking components.However, the existing extrusion cylinder requires opening multiple locking components one by one to remove the outer sleeve for replacing the inner sleeve, which not only consumes a lot of time but also increases the complexity of operation, resulting in a decrease in production efficiency. SUMMARY

[0004] The purpose of the present application is to provide an extrusion cylinder quick-change structure to solve the problem of low replacement efficiency of the inner sleeve of the extrusion cylinder.In addition, the present application also proposes an extruder comprising the extrusion cylinder quick-change structure.

[0005] To achieve this purpose, the present application adopts the following technical solutions:

[0006] The present application provides an extrusion cylinder quick-change structure, which comprises an inner sleeve, an outer sleeve, a connecting sleeve and a locking component, wherein:

[0007] The outer sleeve is fixedly fitted outside the connecting sleeve, and the connecting sleeve is detachably fixedly fitted outside the inner sleeve.

[0008] A limiting component is arranged between the first end of the connecting sleeve and the first end of the inner sleeve, and the first end of the connecting sleeve and the first end of the inner sleeve are limited in the axial direction by the limiting component.

[0009] The locking component is arranged between the second end of the connecting sleeve and the second end of the inner sleeve, and the locking component is configured to lock and fix the second end of the connecting sleeve to the second end of the inner sleeve.

[0010] Optionally, the limiting component comprises a boss and a groove, the boss is arranged at the first end of the inner sleeve, and the groove is arranged at the first end of the connecting sleeve, and the groove is matched with the boss.

[0011] Optionally, the length of the inner sleeve is greater than the length of the connecting sleeve, the second end of the inner sleeve protrudes the connecting sleeve along the first horizontal direction, the locking assembly comprises a locking nut, a threaded segment is arranged on the part of the second end of the inner sleeve protruding the connecting sleeve, and the locking nut is screwed on the threaded segment to tightly fix the connecting sleeve and the inner sleeve.

[0012] Optionally, the outer sleeve and the connecting sleeve are in interference fit.

[0013] Optionally, the outer sleeve and the connecting sleeve are in interference fit.

[0014] Optionally, the outer side wall of the inner sleeve has a preset taper along the first horizontal direction, and the inner hole of the connecting sleeve is a tapered hole matched with the inner sleeve.

[0015] Optionally, the upper end of the outer sleeve is provided with a lifting groove configured to be connected with a lifting piece of an external lifting device to implement hoisting of the disassembled outer sleeve and connecting sleeve.

[0016] Optionally, the lifting groove is provided with a limiting groove communicated with the lifting groove along the first horizontal direction, and one side of the lifting piece is provided with a limiting plate located in the limiting groove to position the limiting plate in the lifting groove.

[0017] An extruding machine comprising the above-mentioned extruding cylinder quick-change structure.

[0018] Compared with the prior art, the extruding cylinder quick-change structure has the following advantages:

[0019] 1) By arranging the connecting sleeve between the outer sleeve and the inner sleeve and cooperating with the limiting assembly and the locking assembly, a quick disassembly and assembly connection between the outer sleeve and the inner sleeve is provided, which not only improves the replacement efficiency of the inner sleeve, but also has a simple structure and is easy to operate.

[0020] 2) The lifting piece and the lifting groove adopt a dovetail structure connection, which not only has simple operation and improves the working efficiency of the hoisting process, but also can provide a larger contact area and stronger friction, ensuring the firm connection between the lifting piece and the extruding cylinder and effectively avoiding falling off during hoisting.

[0021] 3) The taper design between the inner sleeve and the connecting sleeve not only promotes the accurate butt joint between the inner sleeve and the connecting sleeve, improves the convenience of assembly, but also improves the sealing performance and stability during extrusion. BRIEF DESCRIPTION OF DRAWINGS

[0022] To more clearly illustrate and understand the technical solutions in the embodiments of this application, the accompanying drawings used in the background technology and embodiment descriptions of this application will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on the content of the embodiments of this application and these drawings without creative effort.

[0023] Figure 1 This is a front view of the quick-change extrusion cylinder structure provided in the embodiments of this application;

[0024] Figure 2 This is a top view of the quick-change extrusion cylinder structure provided in the embodiments of this application. Detailed Implementation

[0025] To facilitate understanding of this application, a more complete description of the application will be provided below with reference to the accompanying drawings. Preferred embodiments of the application are shown in the drawings. However, the application can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and complete understanding of the disclosure of this application. It should be noted that when a component is referred to as being "fixed to" another component, it can be directly on the other component or there may be an intermediate component. When a component is referred to as being "connected to" another component, it can be directly connected to the other component or there may be an intermediate component. The terms "vertical," "horizontal," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only possible implementations. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the specification of this application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0026] Please see Figure 1 and Figure 2 As shown in the figure, an embodiment of this application provides a quick-change structure for an extrusion cylinder, which includes an inner sleeve 10, an outer sleeve 20, a connecting sleeve 30, and a locking assembly 40, wherein:

[0027] The outer sleeve 20 is fixedly fitted outside the connecting sleeve 30, and the connecting sleeve 30 is detachably fixedly fitted outside the inner sleeve 10;

[0028] A limiting component 50 is provided between the first end of the connecting sleeve 30 and the first end of the inner sleeve 10, and the limiting component 50 limits the first end of the connecting sleeve 30 and the first end of the inner sleeve 10 in the axial direction.

[0029] The locking component 40 is disposed between the second end of the connecting sleeve 30 and the second end of the inner sleeve 10, and the locking component 40 is configured to lock and fix the second end of the connecting sleeve 30 to the second end of the inner sleeve 10.

[0030] The connection sleeve 30, the limiting component 50 and the locking component 40 work together to provide a quick-release connection between the outer sleeve 20 and the inner sleeve 10, which not only improves the replacement efficiency of the inner sleeve 10, but also has a simple structure and is easy to operate.

[0031] In one embodiment, the limiting component 50 includes a boss 51 and a groove. The boss 51 is disposed at the first end of the inner sleeve 10, and the groove is disposed at the first end of the connecting sleeve 30. The groove is adapted to the boss 51.

[0032] The cooperation between the groove and the boss 51 not only ensures that the connecting sleeve 30 accurately reaches the connection position and improves the installation accuracy, but also ensures that the relative position of the connecting sleeve 30 and the inner sleeve 10 is stable, thus enhancing the stability of the overall structure.

[0033] In one embodiment, the length of the inner sleeve 10 is greater than the length of the connecting sleeve 30, and the second end of the inner sleeve 10 is along the first horizontal direction ( Figure 2 (In the X direction) the connecting sleeve 30 protrudes, and the locking assembly 40 includes a tightening nut 41. The part of the inner sleeve protruding from the connecting sleeve 30 at the second end of the inner sleeve is provided with a threaded section. The tightening nut 41 is tightened on the threaded section to tighten and fix the connecting sleeve 30 and the inner sleeve 10 together.

[0034] By tightening the nut and threaded section, a reliable connection between the connecting sleeve 30 and the inner sleeve 10 is ensured, enhancing the strength of the connection. On the other hand, it facilitates quick disassembly and installation, improving the replacement efficiency of the inner sleeve 10.

[0035] In one embodiment, the outer sleeve 20 and the connecting sleeve 30 are interference fit.

[0036] The interference fit ensures a tight connection between the outer sleeve 20 and the connecting sleeve 30, thereby improving the stability and safety of the structure.

[0037] In one embodiment, the outer wall of the inner sleeve 10 has a preset taper along the first horizontal direction, and the inner hole of the connecting sleeve 30 is a tapered hole that matches the inner sleeve.

[0038] The tapered design between the inner sleeve 10 and the connecting sleeve 30 not only facilitates precise alignment between them and improves assembly convenience, but also enhances sealing performance and stability during the extrusion process.

[0039] In an embodiment, the outer sleeve 20 is provided with a lifting groove 21 at the upper end, which is configured to be connected with a lifting member of an external lifting device to implement hoisting of the disassembled outer sleeve 20 and the connecting sleeve 30.

[0040] Through cooperation of the lifting member and the lifting groove 21, a convenient, stable and self-locking connection mode is provided, which not only improves the efficiency of the hoisting process, but also improves the safety of the equipment in the hoisting process.

[0041] In an embodiment, the lifting groove 21 is provided with a limiting groove 22 in communication with the lifting groove 21 along the first horizontal direction, and one side of the lifting member is provided with a limiting plate, which is located in the limiting groove 22 to position the limiting plate in the lifting groove.

[0042] Through cooperation of the limiting plate and the limiting groove 22, stable connection of the lifting member and the lifting groove 22 is ensured, and the safety of the hoisting process is guaranteed.

[0043] In an embodiment, the lifting groove 21 is a dovetail groove, and the cross section of the lifting member is dovetail-shaped to cooperate with the dovetail groove.

[0044] Through the dovetail structure of the lifting member and the lifting groove 21, not only the operation is simple, but also the working efficiency of the hoisting process is improved, and larger contact area and stronger friction force can be provided to ensure firm connection between the lifting member and the lifting groove 21, effectively avoiding falling of the mechanism in the hoisting process.

[0045] An extruding machine comprises the above-mentioned extruding cylinder quick-change structure.

[0046] The above embodiments only illustrate the basic principles and characteristics of the present application, and the present application is not limited by the above examples. Various changes and modifications can be made without departing from the spirit and scope of the present application, and these changes and modifications all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A quick-change extrusion cylinder structure, characterized in that, The quick-change structure for the extrusion cylinder includes an inner sleeve, an outer sleeve, a connecting sleeve, and a locking assembly, wherein: The outer sleeve is fixedly fitted outside the connecting sleeve, and the connecting sleeve is detachably fixedly fitted outside the inner sleeve; A limiting component is provided between the first end of the connecting sleeve and the first end of the inner sleeve, and the first end of the connecting sleeve and the first end of the inner sleeve are axially limited by the limiting component; The locking component is disposed between the second end of the connecting sleeve and the second end of the inner sleeve, and the locking component is configured to lock the second end of the connecting sleeve to the second end of the inner sleeve.

2. The quick-change extrusion cylinder structure according to claim 1, characterized in that, The limiting component includes a boss and a groove. The boss is disposed at the first end of the inner sleeve, and the groove is disposed at the first end of the connecting sleeve. The groove is adapted to the boss.

3. The quick-change extrusion cylinder structure according to claim 1, characterized in that, The length of the inner sleeve is greater than the length of the connecting sleeve. The second end of the inner sleeve protrudes from the connecting sleeve in a first horizontal direction. The locking assembly includes a tightening nut. The portion of the inner sleeve protruding from the connecting sleeve at the second end, which cooperates with the tightening nut, is provided with a threaded section. The tightening nut is tightened on the threaded section to secure the connecting sleeve and the inner sleeve together.

4. The quick-change extrusion cylinder structure according to claim 1, characterized in that, The outer sleeve and the connecting sleeve are interference fit.

5. The quick-change extrusion cylinder structure according to claim 3, characterized in that, The outer wall of the inner sleeve has a preset taper along the first horizontal direction, and the inner hole of the connecting sleeve is a tapered hole that matches the inner sleeve.

6. The quick-change extrusion cylinder structure according to claim 3, characterized in that, The upper end of the outer casing is provided with a lifting groove, which is configured to connect with the lifting components of an external lifting device to lift the disassembled outer casing and the connecting sleeve.

7. The quick-change extrusion cylinder structure according to claim 6, characterized in that, The lifting groove is provided with a limiting groove that communicates with the lifting groove along the first horizontal direction. A limiting plate is provided on one side of the lifting component. The limiting plate is located in the limiting groove to position the limiting plate in the lifting groove.

8. The quick-change extrusion cylinder structure according to claim 7, characterized in that, The lifting groove is a dovetail groove, and the cross-section of the lifting component is a dovetail shape that matches the dovetail groove.

9. An extruder, characterized in that, The extruder includes the quick-change extrusion cylinder structure as described in any one of claims 1-8.

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