Die head for extruder

Abstract

The utility model relates to the technical field of extruder accessories, and discloses a die head for an extruder, which comprises a hollow connecting seat, mounting lugs are welded on the outer wall of the hollow connecting seat, a convenient disassembly and assembly mechanism is arranged at the top of the hollow connecting seat, and the convenient disassembly and assembly mechanism comprises a disassembly connecting frame. A detachable connecting arm is movably connected to the top of the detachable connecting frame in an inserted mode, and flower grooves are formed in the side faces of the detachable connecting arm and the detachable connecting frame. Through the design of the electromagnet, the sliding circular plate can be magnetically attracted after the electromagnet is powered on, the connecting spline shaft is promoted to be withdrawn from the spline groove in the detachable connecting arm, and after the electromagnet is powered off, the connecting spline shaft can be promoted to be reset and inserted into the spline groove in the detachable connecting arm through the reset elastic force of the elastic piece. A user can replace the extrusion head by pulling, inserting and disassembling the connecting arm and controlling the electromagnet to be powered on and powered off, the replacement time is short, and then the production efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of extruder accessories, in particular to a die head for an extruder. Background Art

[0002] A plastic extruder is a device that recycles waste plastics, heats them into a molten state at high temperature, filters out impurities, and squeezes them into a mold to form a new product. The plastic extruder die head is a device installed at the head of the plastic extruder to allow the material to pass through the small holes on the plastic extruder die head, and then use a tool to cut it to obtain small particles of plastic, which are then processed again.

[0003] A Chinese patent discloses an extrusion die for a rubber extruder, with the publication number CN216683272U. The technical solution disclosed in the patent document is as follows: it includes a die body, a dredging component is arranged above the outer surface of the die body, a plurality of discharge holes are opened on the outer surface of the die body, a heating plate is installed on the back of the die body, and a heat-conducting component is arranged inside the die body.

[0004] In order to solve the problem that the material inside the discharge hole is difficult to fully contact with the hot air, thereby reducing the heating effect on the material, the existing technology adopts the method of designing a heat-conducting component to deal with it. However, it is still not convenient for users to replace the die head. Due to production needs, users need to replace different die heads to produce materials of different shapes. The die head of this structure is not easy to replace, which leads to the problem that work efficiency is easily affected. Utility Model Content

[0005] The utility model aims to provide a die head for an extruder, so as to solve the problem in the prior art that it is not convenient for users to replace the die head.

[0006] The utility model provides the following technical solution: a die head for an extruder, comprising a hollow connecting seat, a mounting ear is welded on the outer wall of the hollow connecting seat, and a convenient disassembly and assembly mechanism is arranged on the top of the hollow connecting seat.

[0007] The convenient disassembly and assembly mechanism comprises a disassembly connection frame, the top of the disassembly connection frame is movably connected with a disassembly connection arm, the disassembly connection arm and the side of the disassembly connection frame are provided with a flower groove, the outer side of the disassembly connection frame is fixedly installed with a fixed circular seat, the inner wall of the fixed circular seat is fixedly installed with an electromagnet, the fixed circular seat close to the disassembly connection frame is fixedly connected with an elastic part, the elastic part is fixedly connected with a sliding circular plate at one end away from the fixed circular seat, the center of the side of the sliding circular plate away from the elastic part is fixedly connected with a connecting flower axis, the connecting flower axis is movably inserted in the inner cavity of the flower groove, the sliding circular plate is fixedly connected with a sliding rod on the side away from the connecting flower axis, the outer wall of the sliding rod is slidably connected to the inner wall of the fixed circular seat, and the user is convenient to replace extruder heads of different specifications by controlling the power on and off of the electromagnet and the plugging and unplugging of the disassembly connection arm.

[0008] As a preferred embodiment of the above technical solution, the convenient disassembly and assembly mechanism also includes a reference cylinder, which is fixedly connected to the top of the hollow connecting seat, and the top of the reference cylinder is fixedly connected to a rubber frame, and the top of the reference cylinder is movably connected to a receiving cylinder, and the bottom of the receiving cylinder is movably connected to the top of the rubber frame, and the rubber frame is used to seal the connection between the reference cylinder and the receiving cylinder.

[0009] As a preferred embodiment of the above technical solution, the disassembly connection arm is fixedly mounted on the outer wall of the receiving cylinder, and the disassembly connection frame is fixedly mounted on the outer wall of the reference cylinder.

[0010] As a preferred embodiment of the above technical solution, the top of the receiving cylinder is fixedly connected to a filter cylinder, the top of the filter cylinder is fixedly connected to an extrusion head, an inner partition is fixedly installed on the inner wall of the filter cylinder, and the filter cylinder is arranged in multiple groups when in use, and the extrusion heads on the top are arranged in different specifications.

[0011] As a preferred embodiment of the above technical solution, a filter cylinder is fixedly connected to the top of the inner partition, and a material through hole is opened on the outer wall of the filter cylinder. The cooperation between the filter cylinder and the material through hole can filter the material and ensure the smoothness of subsequent pipelines.

[0012] As a preferred embodiment of the above technical solution, a copper tube is fixedly connected between the front and back sides of the inner wall of the reference cylinder. The number of the copper tubes is set to three and is evenly distributed in the inner cavity of the reference cylinder. The copper tube protects the heating wire and can efficiently transfer heat.

[0013] As a preferred embodiment of the above technical solution, a copper ring is fixedly sleeved on the outer wall of the copper cylinder, and a heating wire located in the inner cavity of the copper cylinder is fixedly installed between the front and back sides of the inner wall of the reference cylinder. The operation of the heating wire can be selectively controlled to perform temperature compensation on the material, thereby avoiding the problem of solidification of the material before being extruded.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The utility model adopts the design of the electromagnet, which can magnetically attract the sliding circular plate after being energized, so as to prompt the connected flower shaft to be withdrawn from the flower groove on the disassembled connecting arm; after the electromagnet is powered off, the resetting elastic force of the elastic member can prompt the connected flower shaft to be reset and plugged into the flower groove of the disassembled connecting arm. According to this design, the user can replace the extruder head by plugging and unplugging the disassembled connecting arm and controlling the on and off power of the electromagnet, and the replacement takes a short time, thereby improving the production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional diagram of the utility model;

[0017] Figure 2 It is a schematic diagram of the separation structure of the reference cylinder and the receiving cylinder of the utility model;

[0018] Figure 3 This is a schematic diagram of the separation structure of the fixed circular seat and the disassembled connection frame of the utility model;

[0019] Figure 4 It is a schematic diagram of the cutaway structure of the filter cartridge of the utility model;

[0020] Figure 5 It is a schematic diagram of the cutaway structure of the reference cylinder of the utility model.

[0021] In the figure: 1. Hollow connecting seat; 2. Convenient disassembly and assembly mechanism; 21. Reference cylinder; 211. Copper cylinder; 212. Heating wire; 213. Copper sleeve; 22. Receiving cylinder; 221. Disassembly connecting arm; 222. Disassembly connecting frame; 223. Flower groove; 224. Connecting flower axis; 225. Fixed circular seat; 226. Sliding circular plate; 227. Sliding rod; 228. Electromagnet; 229. Elastic member; 23. Rubber frame; 24. Filter cylinder; 241. Inner partition; 242. Filter cylinder; 243. Material through hole; 25. Extrusion head. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0023] like Figure 3As shown, the utility model provides a technical solution: a die head for an extruder, comprising a hollow connecting seat 1, a mounting ear is welded on the outer wall of the hollow connecting seat 1, a convenient disassembly and assembly mechanism 2 is arranged on the top of the hollow connecting seat 1, the convenient disassembly and assembly mechanism 2 comprises a disassembly connection frame 222, a disassembly connection arm 221 is movably plugged into the top of the disassembly connection frame 222, flower grooves 223 are provided on the sides of the disassembly connection arm 221 and the disassembly connection frame 222, a fixed circular seat 225 is fixedly installed on the outer side of the disassembly connection frame 222, an electromagnet 228 is fixedly installed on the inner wall of the fixed circular seat 225, an elastic member 229 is fixedly connected to a side of the fixed circular seat 225 close to the disassembly connection frame 222, and a sliding circular plate 226 is fixedly connected to the end of the elastic member 229 away from the fixed circular seat 225, and the sliding circular plate 226 is fixedly connected to the sliding circular plate 226. A connecting flower axis 224 is fixedly connected to the center of the side of the plate 226 away from the elastic member 229, and the connecting flower axis 224 is movably inserted in the inner cavity of the flower groove 223. A sliding rod 227 is fixedly connected to the side of the sliding circular plate 226 away from the connecting flower axis 224. The outer wall of the sliding rod 227 is slidably connected to the inner wall of the fixed circular seat 225. The control electromagnet 228 is energized to magnetically attract the sliding circular plate 226, so that the connecting flower axis 224 is withdrawn from the flower groove 223 on the disassembled connecting arm 221. The control electromagnet 228 is powered off, and the initial elastic force of the elastic member 229 drives the connecting flower axis 224 to reset and be inserted into the flower groove 223 of the disassembled connecting arm 221. The user can replace the extruder head 25 by plugging and unplugging the disassembled connecting arm 221 and controlling the electromagnet 228 to turn on and off the power.

[0024] As an implementation method in this embodiment, Figure 1-3 As shown, the convenient disassembly and assembly mechanism 2 also includes a reference cylinder 21, which is fixedly connected to the top of the hollow connecting seat 1, and a rubber frame 23 is fixedly connected to the top of the reference cylinder 21. The top of the reference cylinder 21 is movably connected to the receiving cylinder 22, and the bottom of the receiving cylinder 22 is movably connected to the top of the rubber frame 23. The disassembly connecting arm 221 is fixedly installed on the outer wall of the receiving cylinder 22, and the disassembly connecting frame 222 is fixedly installed on the outer wall of the reference cylinder 21. The disassembly connecting frame 222 and the reference cylinder 21 are a whole, and the disassembly connecting arm 221 and the receiving cylinder 22 are a whole. When the receiving cylinder 22 is inserted into the top of the reference cylinder 21, the disassembly connecting arm 221 can be synchronously inserted into the disassembly connecting frame 222, and the rubber frame 23 is used to seal the connection between the reference cylinder 21 and the receiving cylinder 22.

[0025] As an implementation method in this embodiment, Figure 4-5As shown, the top of the receiving cylinder 22 is fixedly connected with a filter cylinder 24, the top of the filter cylinder 24 is fixedly connected with an extruder head 25, an inner partition 241 is fixedly installed on the inner wall of the filter cylinder 24, the top of the inner partition 241 is fixedly connected with a filter cylinder 242, the outer wall of the filter cylinder 242 is provided with a material through hole 243, a copper cylinder 211 is fixedly connected between the front and back of the inner wall of the reference cylinder 21, the number of the copper cylinders 211 is set to three and evenly distributed in the inner cavity of the reference cylinder 21, a copper sleeve 213 is fixedly sleeved on the outer wall of the copper cylinder 211, and the base An electric heating wire 212 located in the inner cavity of the copper cylinder 211 is fixedly installed between the front and back sides of the inner wall of the quasi-cylinder 21. The material enters the inner cavity of the filter cylinder 242 through the guidance of the inner partition 241. The material can be filtered through the design of the material through hole 243, and larger impurities can be filtered out in the inner cavity of the filter cylinder 242. The electric heating wire 212 is controlled to work, and the material can be heated to ensure the fluidity of the material. The copper cylinder 211 is used to wrap and protect the electric heating wire 212. The design of the copper ring 213 can improve the heating effect of the material.

[0026] Working principle: When this structure is used, it is set to multiple groups of receiving cylinder parts 22 as a whole, and the shapes of the extruder heads 25 connected to the receiving cylinder parts 22 are different. The hollow connecting seat 1 is pre-fixed on the output end of the external extruder through the mounting ear processing. If the extruder head 25 needs to be replaced, the control electromagnet 228 is energized, and then the receiving cylinder part 22 as a whole with the specified extruder head 25 is replaced on the reference cylinder part 21 by plugging and unplugging, and then the electromagnet 228 is turned off to prompt the connection flower shaft 224 to reset, and the replacement work is completed.

[0027] The above embodiments are only used to illustrate the technical solution of the present invention, but not to limit it.

Claims

1. A die head for an extruder, comprising a hollow connecting seat (1), characterized in that: A mounting ear is welded on the outer wall of the hollow connecting seat (1), and a convenient disassembly and assembly mechanism (2) is provided on the top of the hollow connecting seat (1); The convenient disassembly and assembly mechanism (2) comprises a disassembly connection frame (222), a disassembly connection arm (221) is movably plugged into the top of the disassembly connection frame (222), the sides of the disassembly connection arm (221) and the disassembly connection frame (222) are provided with flower grooves (223), a fixed circular seat (225) is fixedly installed on the outer side of the disassembly connection frame (222), an electromagnet (228) is fixedly installed on the inner wall of the fixed circular seat (225), and a spring is fixedly connected to the side of the fixed circular seat (225) close to the disassembly connection frame (222). The elastic member (229) is fixedly connected to a sliding circular plate (226) at one end away from the fixed circular seat (225); a connecting flower axis (224) is fixedly connected to the center of the sliding circular plate (226) away from the elastic member (229); the connecting flower axis (224) is movably inserted into the inner cavity of the flower groove (223); a sliding rod (227) is fixedly connected to the side of the sliding circular plate (226) away from the connecting flower axis (224); and the outer wall of the sliding rod (227) is slidably connected to the inner wall of the fixed circular seat (225).

2. The die head for an extruder according to claim 1, characterized in that: The convenient disassembly and assembly mechanism (2) further comprises a reference cylinder (21), wherein the reference cylinder (21) is fixedly connected to the top of the hollow connecting seat (1), the top of the reference cylinder (21) is fixedly connected to a rubber frame (23), the top of the reference cylinder (21) is movably connected to a receiving cylinder (22), and the bottom of the receiving cylinder (22) is movably connected to the top of the rubber frame (23).

3. A die head for an extruder according to claim 2, characterized in that: The disassembly connection arm (221) is fixedly mounted on the outer wall of the receiving cylinder (22), and the disassembly connection frame (222) is fixedly mounted on the outer wall of the reference cylinder (21).

4. The die head for an extruder according to claim 2, characterized in that: The top of the receiving cylinder (22) is fixedly connected to a filter cylinder (24), the top of the filter cylinder (24) is fixedly connected to an extrusion head (25), and an inner partition (241) is fixedly installed on the inner wall of the filter cylinder (24).

5. A die head for an extruder according to claim 4, characterized in that: A filter cylinder (242) is fixedly connected to the top of the inner partition (241), and a material through hole (243) is provided on the outer wall of the filter cylinder (242).

6. The die head for an extruder according to claim 2, characterized in that: A copper cylinder (211) is fixedly connected between the front and back sides of the inner wall of the reference cylinder (21), and the number of the copper cylinders (211) is set to three and is evenly distributed in the inner cavity of the reference cylinder (21).

7. A die head for an extruder according to claim 6, characterized in that: A copper ring (213) is fixedly sleeved on the outer wall of the copper cylinder (211), and an electric heating wire (212) located in the inner cavity of the copper cylinder (211) is fixedly installed between the front and back sides of the inner wall of the reference cylinder (21).

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