Pipe mold

Abstract

The utility model discloses a pipe mould which comprises a material tank, an extrusion pipe welded on one side wall of the material tank and a material limiting pipe fixed inside the extrusion pipe, a feeding pipe is horizontally installed on the side, opposite to the extrusion pipe, of the material tank, and a motor is connected to the side, close to the feeding pipe, of the top wall of the material tank. Wherein an output shaft of the feeding pipe is coaxially connected with an inner edge shaft, a spiral auger used for feeding is installed on the inner edge shaft, a rotary knob is rotationally connected to the side, close to the extrusion pipe, of the top wall of the material tank, a top plate is welded to the position, below the rotary knob, of the top wall of an inner cavity of the material tank, and an inner groove is formed in the top plate; wherein two bevel gears which are meshed with each other are arranged in the inner groove, the two bevel gears are coaxially connected with inner supporting shafts respectively, and one inner supporting shaft is coaxially connected with the knob. According to the pipe mold, the material limiting pipe can be conveniently taken down and replaced, so that the pipe mold can extrude pipes with different thicknesses, and the application range of the pipe mold is widened.

Description

Technical Field

[0001] The utility model belongs to the technical field of pipe processing, and particularly relates to a pipe die. Background Art

[0002] When processing current pipes (such as PVC pipes), a pipe die is usually used to extrude molten materials, and it is formed into a tubular shape through a specified extrusion facility during extrusion.

[0003] In the process of implementing the present utility model, the inventor found that there are at least the following problems in this technology: However, the extrusion facilities on existing pipe dies are usually not adjustable, resulting in that a set of pipe dies can only produce pipes with a specified thickness, leading to a very small scope of application.

[0004] Therefore, we propose a pipe die to solve the above problems. Summary of the Utility Model

[0005] The main purpose of the present utility model is to provide a pipe die, so that the material limiting pipe can be conveniently removed and replaced, thereby enabling the pipe die to extrude pipes with different thicknesses and improving its scope of application, and effectively solving the problems in the background art.

[0006] In order to achieve the above purpose, the present utility model adopts the following technical solutions:

[0007] A pipe die includes a material tank, an extrusion pipe welded to one side wall of the material tank, and a material limiting pipe fixed inside the extrusion pipe. A feeding pipe is horizontally installed on the side of the material tank facing away from the extrusion pipe, and a motor is connected to one side of the top wall of the material tank close to the feeding pipe. The output shaft of the feeding pipe is coaxially connected with an inner edge shaft, and a spiral auger for feeding is installed on the inner edge shaft.

[0008] A knob is rotatably connected to the side of the top wall of the material tank close to the extrusion pipe. The top wall of the inner cavity of the material tank is welded with a top plate below the knob, and an inner groove is formed inside the top plate. Two meshing bevel gears are arranged in the inner groove, and inner support shafts are coaxially connected to the two bevel gears respectively. One of the inner support shafts is coaxially connected with the knob.

[0009] One side of the material limiting pipe extends into the material tank and is connected with a positioning seat. An inner rotating shaft is coaxially connected to the other inner support shaft, and a positioning block is welded on the inner rotating shaft. A slot and an inner fixing groove are formed on the side of the positioning seat facing the positioning block. The positioning block fits into the slot and is fixed in the inner fixing groove after rotating a certain angle.

[0010] As a preferred implementation, both the inner edge shaft and the spiral auger are located inside the material tank, and both sides of the inner edge shaft are rotatably connected to the material tank and the top plate respectively; this enables the inner edge shaft to operate stably under the drive of the motor, and the motor requires an external power supply facility for power supply.

[0011] As a preferred embodiment, two bevel gears and two inner support shafts are both located in the inner groove, and the two inner support shafts are both rotatably connected to the top plate; so that the two inner support shafts and the bevel gears thereon can operate stably.

[0012] As a preferred embodiment, a side groove is formed on the side of the top plate facing the extrusion pipe, and the positioning seat, the inner rotating shaft and the positioning block are all located in the side groove; the material limiting pipe is attached to one side wall of the top plate, thereby closing the side groove so that the material will not enter the side groove.

[0013] As a preferred embodiment, the extrusion pipe and the material limiting pipe are coaxially designed, and an extrusion channel is formed between the extrusion pipe and the material limiting pipe; so that the material can be extruded when passing through the extrusion channel, and thus formed into a pipe, and the material of the pipe can be common materials such as PVC.

[0014] In summary, the technical effects and advantages of the present utility model are as follows:

[0015] For this pipe mold, by rotating the knob to drive the two bevel gears to operate, the positioning block can be inserted into the inner positioning groove in a rotating manner, thereby fixing the positioning seat and the material limiting pipe in the extrusion pipe. By fixing the material limiting pipe in this way, the material limiting pipe can be conveniently removed and replaced, so that this pipe mold can extrude pipes with different thicknesses, improving its scope of application;

[0016] For this pipe mold, (when replacing the material limiting pipe) the material limiting pipe is horizontally inserted into the extrusion pipe and drives the positioning seat thereon to enter the side groove, so that the slot on the positioning seat is engaged and inserted with the positioning block. Subsequently, rotate the knob to drive the inner rotating shaft to drive the positioning block to rotate, and the positioning block can enter the inner positioning groove of the positioning seat, thereby fixing the material limiting pipe and the positioning seat, and completing the convenient replacement of the material limiting pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0018] Figure 2 is a partial cross-sectional view of the present utility model;

[0019] Figure 3 is of the present utility model Figure 3 an enlarged view of the structure at A in;

[0020] Figure 4 is a schematic diagram of the structure of the positioning seat and the positioning block of the present utility model.

[0021] In the figure: 1. Material tank; 2. Extrusion pipe; 3. Feeding pipe; 4. Motor; 5. Inner edge shaft; 6. Screw auger; 7. Knob; 8. Top plate; 9. Inner groove; 10. Bevel gear; 11. Inner support shaft; 12. Side groove; 13. Material limiting pipe; 14. Positioning seat; 15. Inner rotating shaft; 16. Positioning block; 17. Slot; 18. Inner fixed groove. Specific implementation mode

[0022] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.

[0023] Refer to Figures 1-4 , a pipe mold, including a material tank 1, an extrusion pipe 2 welded to one side wall of the material tank 1, and a material limiting pipe 13 fixed inside the extrusion pipe 2. The extrusion pipe 2 and the material limiting pipe 13 are coaxially designed, and an extrusion channel is formed between the extrusion pipe 2 and the material limiting pipe 13, so that the material can be extruded when passing through the extrusion channel, thereby forming into a pipe. The material of the pipe can be common materials such as PVC. A feeding pipe 3 is horizontally installed on the side of the material tank 1 facing away from the extrusion pipe 2, and a motor 4 is connected to the side of the top wall of the material tank 1 close to the feeding pipe 3. The output shaft of the feeding pipe 3 is coaxially connected to an inner edge shaft 5, and a screw auger 6 for feeding is installed on the inner edge shaft 5;

[0024] A knob 7 is rotatably connected to the side of the top wall of the material tank 1 close to the extrusion pipe 2. The top wall of the inner cavity of the material tank 1 is welded with a top plate 8 below the knob 7. The inner edge shaft 5 and the screw auger 6 are both located inside the material tank 1, and both sides of the inner edge shaft 5 are rotatably connected to the material tank 1 and the top plate 8 respectively, so that the inner edge shaft 5 can operate stably under the drive of the motor 4. The motor 4 needs to be powered by an external power facility;

[0025] An inner groove 9 is formed inside the top plate 8. Two meshing bevel gears 10 are arranged in the inner groove 9. Two inner support shafts 11 are coaxially connected to the two bevel gears 10 respectively. The two bevel gears 10 and the two inner support shafts 11 are all located in the inner groove 9. The two inner support shafts 11 are both rotatably connected to the top plate 8, so that the two inner support shafts 11 and the bevel gears 10 thereon can operate stably. One of the inner support shafts 11 is coaxially connected to the knob 7;

[0026] One side of the material limiting pipe 13 extends into the material tank 1 and is connected with a positioning seat 14. Another inner support shaft 11 is coaxially connected with an inner rotating shaft 15. A positioning block 16 is welded on the inner rotating shaft 15. A side groove 12 is formed on the side of the top plate 8 facing the extrusion pipe 2. The positioning seat 14, the inner rotating shaft 15 and the positioning block 16 are all located in the side groove 12. The material limiting pipe 13 is attached to one side wall of the top plate 8, thereby closing the side groove 12 so that the material will not enter the side groove 12. A slot 17 and an inner fixing groove 18 are formed on the side of the positioning seat 14 facing the positioning block 16. The positioning block 16 is inserted into the slot 17 in a fitting manner and is fixed in the inner fixing groove 18 after rotating a certain angle.

[0027] When in use, the driving motor 4 operates to drive the inner edge shaft 5 and the spiral auger 6 to rotate. Then, the molten material is added into the material tank 1 through the feeding pipe 3. The material will be gradually sent to the side where the extrusion pipe 2 is located under the rotation of the spiral auger 6 and is finally extruded through the extrusion channel between the extrusion pipe 2 and the material limiting pipe 13. When extruded, it is formed into a pipe.

[0028] If it is necessary to adjust the thickness of the extruded pipe (that is, replace the material limiting pipe 13), the knob 7 can be rotated to drive the two bevel gears 10 and the two inner support shafts 11 to rotate, so that the inner rotating shaft 15 and the positioning block 16 rotate a certain angle. At this time, the positioning block 16 will disengage from the inner fixing groove 18, so that the operator can horizontally pull out the material limiting pipe 13 from the opening on the side of the extrusion pipe 2 facing away from the material tank 1 (the material limiting pipe 13 will drive the positioning seat 14 to disengage from the side groove 12 and the extrusion pipe 2).

[0029] Subsequently, a new specification of the material limiting pipe 13 (which also has a positioning seat 14) is used. The material limiting pipe 13 is horizontally inserted into the extrusion pipe 2 and drives the positioning seat 14 thereon to enter the side groove 12. The slot 17 on the positioning seat 14 is inserted into the positioning block 16 in a fitting manner. Then, the knob 7 is rotated to drive the inner rotating shaft 15 to drive the positioning block 16 to rotate, so that the positioning block 16 can enter the inner fixing groove 18 of the positioning seat 14, thereby fixing the material limiting pipe 13 and the positioning seat 14 and completing the replacement of the material limiting pipe 13.

[0030] The above is only the preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and the inventive concept of the present invention, makes equivalent substitutions or changes, and should be covered by the protection scope of the present invention.

Claims

1. A pipe die, comprising a material tank (1), an extrusion tube (2) welded to a side wall of the material tank (1), and a material limiting tube (13) fixed inside the extrusion tube (2), characterized in that: A feeding pipe (3) is horizontally mounted on the side of the material tank (1) facing away from the extrusion tube (2), and a motor (4) is connected to the side of the top wall of the material tank (1) close to the feeding pipe (3), wherein the output shaft of the feeding pipe (3) is coaxially connected to an inner shaft (5), and a spiral auger (6) for feeding is mounted on the inner shaft (5); A knob (7) is rotatably connected to the top wall of the material tank (1) at one side close to the extrusion tube (2), wherein a top plate (8) is welded to the top wall of the inner cavity of the material tank (1) below the knob (7), an inner groove (9) is formed inside the top plate (8), wherein two mutually meshing bevel gears (10) are arranged inside the inner groove (9), and the two bevel gears (10) are coaxially connected to inner support shafts (11), and one of the inner support shafts (11) is coaxially connected to the knob (7); One side of the material limiting tube (13) extends into the material tank (1) and is connected to a positioning seat (14); the other inner support shaft (11) is coaxially connected to an inner rotating shaft (15); a positioning block (16) is welded to the inner rotating shaft (15); a slot (17) and an inner fixed groove (18) are formed on one side of the positioning seat (14) facing the positioning block (16); the positioning block (16) fits into the slot (17) and is fixed in the inner fixed groove (18) after rotation.

2. A pipe mold according to claim 1, characterized in that: The inner shaft (5) and the spiral auger (6) are both located in the material tank (1), and the two sides of the inner shaft (5) are rotatably connected to the material tank (1) and the top plate (8) respectively.

3. A pipe mold according to claim 1, characterized in that: The two bevel gears (10) and the two inner support shafts (11) are both located in the inner groove (9), wherein the two inner support shafts (11) are both rotatably connected to the top plate (8).

4. A pipe mold according to claim 1, characterized in that: A side groove (12) is formed on the side of the top plate (8) facing the extrusion tube (2), wherein the positioning seat (14), the inner rotating shaft (15) and the positioning block (16) are all located in the side groove (12).

5. The pipe mold according to claim 1, characterized in that: The extrusion tube (2) and the material limiting tube (13) are coaxially designed, and an extrusion channel is formed between the extrusion tube (2) and the material limiting tube (13).

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