Stretching and cutting device for pipe products

Abstract

The utility model relates to the technical field of plastic pipe production, and discloses a pipe product stretching and cutting device which comprises a bottom plate, two L-shaped mounting frames are mounted on the upper side of the bottom plate, threaded shafts are rotatably mounted on the upper portions and the lower portions of the side walls of the L-shaped mounting frames respectively, mold wheels are sleeved on the outer sides of the threaded shafts, and annular grooves are formed in the middles of the mold wheels. A motor I for driving the threaded shaft is mounted at the upper part of the side wall of the L-shaped mounting frame; a dust removal box is installed on the upper side of the bottom plate, a heating pipe is arranged on the discharging side of the dust removal box in a communicating mode, a U-shaped frame is installed above the discharging side of the bottom plate, cooling pipes are installed on the two side walls of the U-shaped frame in a penetrating mode respectively, a second motor is installed on one side of the U-shaped frame, and a cutter is installed at the shaft end of the second motor. Compared with the prior art, the plastic pipe forming machine has the advantages that the two groups of die wheels on the feeding side feed plastic pipes, the plastic pipes penetrate through the heating pipe to be uniformly heated, and the two groups of die wheels on the discharging side shape, stretch and thin the plastic pipes, so that the plastic pipes are prevented from being uneven or broken, and raw materials are not wasted.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic pipe production, in particular to a pipe product stretching and cutting device. Background Art

[0002] Plastic pipes are generally made of synthetic resin, that is, polyester as raw material, with the addition of stabilizers, lubricants, plasticizers, etc., and are made by extrusion in a pipe making machine using a plastic method. They are mainly used as piping for tap water supply systems in buildings, drainage, exhaust and sewage pipes, underground drainage systems, rainwater pipes, and wire threading pipes for wiring installation.

[0003] Many times when using plastic pipes, since the plastic pipes are relatively thick, they need to be softened, stretched and thinned. However, artificial softening and stretching requires the plastic pipes to be softened by baking them with fire. Artificially baked plastic pipes are softened unevenly, and when they are stretched and thinned artificially, they may become uneven or have holes, wasting raw materials.

[0004] Therefore, a tube product stretching and cutting device is urgently needed. Utility Model Content

[0005] 1. Technical Problems Solved

[0006] The technical problem to be solved by the utility model is that the artificial fire-baked plastic pipe softens unevenly, and when artificially stretched and thinned, the plastic pipe may be uneven or have holes.

[0007] 2. Technical Solution

[0008] In order to solve the above technical problems, the technical solution provided by the utility model is as follows: a pipe product stretching and cutting device, comprising a bottom plate, two groups of L-shaped mounting frames are installed on the upper side of the bottom plate, threaded shafts are rotatably installed on the upper and lower parts of the side walls of the L-shaped mounting frames, a mold wheel is sleeved on the outer side of the threaded shaft, an annular groove is provided in the middle of the mold wheel, and a motor for driving the threaded shaft is installed on the upper part of the side wall of the L-shaped mounting frame;

[0009] A dust removal box is installed on the upper side of the base plate and between the two groups of L-shaped mounting frames, a heating pipe is connected to the dust removal box on the discharge side, a U-shaped frame is installed above the discharge side of the base plate, cooling pipes are respectively installed on both side walls of the U-shaped frame, a mounting plate is installed on one side of the U-shaped frame, a second motor is installed on one side of the mounting plate, a cutter is installed on the shaft end of the second motor, and the cutter is located between the two groups of cooling pipes.

[0010] As an improvement, a limit plate is installed on the side of the threaded shaft close to the side wall of the L-shaped mounting frame, and multiple groups of insertion rods are installed on the side of the limit plate away from the side wall of the L-shaped mounting frame. One side of the mold wheel is provided with multiple groups of sockets for inserting the insertion rods, and a nut is installed on the outside of the threaded shaft.

[0011] As an improvement, the axial direction of the threaded shaft is perpendicular to the axial direction of the cooling tube, and the axial direction of the cooling tube is on the same straight line as the axial direction of the heating tube.

[0012] As an improvement, a feed pipe is installed on the inlet side wall of the dust removal box, and two groups of dust filtering air ducts are installed through the outlet side wall of the dust removal box. A fan is installed at one end of the dust filtering air duct located inside the dust removal box.

[0013] As an improvement, a box cover is hingedly provided on the top of the dust removal box.

[0014] As an improvement, a liquid inlet and a liquid outlet are respectively installed on two opposite sides of the upper side of the cooling pipe.

[0015] As an improvement, the inner wall of the annular groove is made of anti-slip material.

[0016] 3. Beneficial Effects

[0017] The advantages of the utility model compared with the prior art are:

[0018] 1. The plastic tube is fed through two sets of die wheels on the feeding side. The plastic tube passes through the heating tube for uniform heating. The plastic tube is shaped, stretched and thinned by two sets of die wheels on the discharging side to prevent unevenness or holes in the plastic tube and avoid waste of raw materials.

[0019] 2. Before the plastic pipe enters the heating pipe for heating, the dust on the outside of the plastic pipe is blown out of the dust removal box through the feed pipe by the cooperation of the fan and the dust filter duct to prevent the dust from sticking to the outside of the plastic pipe when the plastic pipe is heated and cannot be cleaned later. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 The utility model is a structural schematic diagram of a tube product stretching and cutting device.

[0021] Figure 2 The utility model is a schematic diagram of the connection structure of an L-shaped mounting frame of a tube product stretching and cutting device.

[0022] Figure 3 The utility model is a schematic diagram of the structure of a die wheel of a tube product stretching and cutting device.

[0023] Figure 4 The utility model is a schematic diagram of the dust removal box connection structure of a tube product stretching and cutting device.

[0024] As shown in the figure: 1. Base plate; 2. L-shaped mounting bracket; 3. Threaded shaft; 4. Limiting plate; 5. Mold wheel; 6. Annular groove; 7. Nut; 8. Insert rod; 9. Socket; 10. Motor 1; 11. Dust removal box; 12. Heating tube; 13. U-shaped bracket; 14. Cooling tube; 15. Mounting plate; 16. Motor 2; 17. Cutter; 18. Liquid inlet; 19. Liquid outlet; 20. Box cover; 21. Feed pipe; 22. Fan; 23. Dust filter duct. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with 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 of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0026] As attached Figure 1 As shown, a pipe product stretching and cutting device comprises a bottom plate 1, two groups of L-shaped mounting frames 2 are mounted on the upper side of the bottom plate 1, threaded shafts 3 are rotatably mounted on the upper and lower parts of the side walls of the L-shaped mounting frames 2, a mold wheel 5 is sleeved on the outer side of the threaded shaft 3, an annular groove 6 is arranged in the middle of the mold wheel 5, and a motor 10 for driving the threaded shaft 3 is mounted on the upper part of the side wall of the L-shaped mounting frame 2;

[0027] A dust removal box 11 is installed on the upper side of the base plate 1 and between the two groups of L-shaped mounting frames 2. A heating pipe 12 is connected to the discharge side of the dust removal box 11. A U-shaped frame 13 is installed above the discharge side of the base plate 1. Cooling pipes 14 are respectively installed on both side walls of the U-shaped frame 13. A mounting plate 15 is installed on one side of the U-shaped frame 13. A motor 16 is installed on one side of the mounting plate 15. A cutter 17 is installed on the shaft end of the motor 16. The cutter 17 is located between the two groups of cooling pipes 14.

[0028] Through the above structure, the two groups of mold wheels 5 on the feeding side are selected with annular grooves 6 that match the size of the plastic tube, and the annular grooves 6 of the two groups of mold wheels 5 on the discharging side are selected to match the size of the plastic tube discharging. One end of the plastic tube is passed between the annular grooves 6 on the two groups of mold wheels 5 on the two feeding sides, and a group of threaded shafts 3 and mold wheels 5 are driven to rotate by a motor 10 to drive the plastic tube to feed. One end of the plastic tube is passed through the dust removal box 11 for dust removal, and then passed through the heating tube 12 for uniform heating. The plastic tube output from the heating tube 12 enters the two groups on the discharging side. The heated plastic tube is shaped by two groups of annular grooves 6 between the annular grooves 6 on the die wheel 5, and the rotation speed of the die wheel 5 on the discharge side is greater than the rotation speed of the die wheel 5 on the feed side. The heated plastic tube is stretched and thinned by the rotation of the two groups of die wheels 5 on the discharge side. The stretched and thinned plastic tube enters the two groups of cooling tubes 14 for cooling. During the cooling process, the motor 16 rotates regularly to drive the cutter 17 to rotate between the two groups of cooling tubes 14, and the cooled plastic tube is cut by the cutter 17. The specific structure is as follows:

[0029] Combined with Figure 2 and attached Figure 3 As shown, a limit plate 4 is installed on the side of the threaded shaft 3 close to the side wall of the L-shaped mounting frame 2, and multiple groups of insertion rods 8 are installed on the side of the limit plate 4 away from the side wall of the L-shaped mounting frame 2. One side of the mold wheel 5 is provided with multiple groups of insertion holes 9 for inserting the insertion rods 8, and a nut 7 is installed on the outer side of the threaded shaft 3.

[0030] Through the above structure, when the mold wheel 5 is installed, the nut 7 is removed from the outside of the threaded shaft 3, the mold wheel 5 is sleeved on the outside of the threaded shaft 3, the insertion rod 8 on the limiting plate 4 is inserted into the corresponding insertion hole 9, and then the nut 7 is installed to the outside of the threaded shaft 3 with the thread, and the mold wheel 5 is positioned by the nut 7.

[0031] Combined with Figure 4 As shown, a feed pipe 21 is installed on the inlet side wall of the dust removal box 11, and two groups of dust filtering air ducts 23 are installed through the outlet side wall of the dust removal box 11. A fan 22 is installed at one end of the dust filtering air duct 23 located inside the dust removal box 11.

[0032] Through the above structure, the fan 22 is started, and the outside wind is drawn into the dust removal box 11 through the dust filter duct 23 by the fan 22, and the dust in the air is filtered through the dust filter duct 23. The two groups of fans 22 blow the wind to the outside of the plastic tube, and the blown dust is discharged from the dust removal box 11 through the feed pipe 21.

[0033] Combined with Figure 1 and attached Figure 3As shown, a liquid inlet 18 and a liquid outlet 19 are respectively installed on opposite sides of the upper side of the cooling pipe 14, a box cover 20 is hingedly provided on the top of the dust removal box 11, and the inner wall of the annular groove 6 is made of anti-slip material.

[0034] Through the above structure, the liquid inlet 18 and the liquid discharge port 19 are respectively connected to the external conduit, and the coolant is delivered to the inside of the side wall of the cooling tube 14 through the liquid inlet 18, and the coolant is discharged from the inside of the side wall of the cooling tube 14 through the liquid discharge port 19, so as to realize the circulation of the coolant inside the side wall of the cooling tube 14 and ensure that the cooling tube 14 has a good cooling effect. The box cover 20 on the top of the dust removal box 11 is convenient for the maintenance of the equipment inside the dust removal box 11, and also plays a role in dust prevention. The inner wall of the annular groove 6 made of anti-slip material can drive the plastic tube to move.

[0035] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

[0037] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A tube product stretching and cutting device, comprising a bottom plate (1), two groups of L-shaped mounting frames (2) are mounted on the upper side of the bottom plate (1), characterized in that: The upper and lower parts of the side wall of the L-shaped mounting frame (2) are rotatably mounted with a threaded shaft (3), the outer side of the threaded shaft (3) is covered with a mold wheel (5), the middle part of the mold wheel (5) is provided with an annular groove (6), and the upper part of the side wall of the L-shaped mounting frame (2) is mounted with a motor (10) for driving the threaded shaft (3); A dust removal box (11) is installed on the upper side of the base plate (1) and between the two groups of L-shaped mounting frames (2); a heating pipe (12) is connected to the discharge side of the dust removal box (11); a U-shaped frame (13) is installed above the discharge side of the base plate (1); cooling pipes (14) are respectively installed on the two side walls of the U-shaped frame (13); a mounting plate (15) is installed on one side of the U-shaped frame (13); a second motor (16) is installed on one side of the mounting plate (15); a cutter (17) is installed on the shaft end of the second motor (16); and the cutter (17) is located between the two groups of cooling pipes (14).

2. A tube product stretching and cutting device according to claim 1, characterized in that: A limiting plate (4) is installed on the side of the threaded shaft (3) close to the side wall of the L-shaped mounting frame (2), and a plurality of groups of insertion rods (8) are installed on the side of the limiting plate (4) away from the side wall of the L-shaped mounting frame (2). One side of the mold wheel (5) is provided with a plurality of groups of insertion holes (9) for inserting the insertion rods (8), and a nut (7) is installed on the outer side of the threaded shaft (3).

3. A tube product stretching and cutting device according to claim 1, characterized in that: The axial direction of the threaded shaft (3) is perpendicular to the axial direction of the cooling tube (14), and the axial direction of the cooling tube (14) is on the same straight line as the axial direction of the heating tube (12).

4. The tube product stretching and cutting device according to claim 1, characterized in that: A feed pipe (21) is installed on the inlet side wall of the dust removal box (11), and two groups of dust filter air ducts (23) are installed through the outlet side wall of the dust removal box (11), and a fan (22) is installed at one end of the dust filter air duct (23) located inside the dust removal box (11).

5. The tube product stretching and cutting device according to claim 1, characterized in that: The top of the dust removal box (11) is hingedly provided with a box cover (20).

6. The tube product stretching and cutting device according to claim 1, characterized in that: A liquid inlet (18) and a liquid outlet (19) are respectively installed on opposite sides of the upper side of the cooling pipe (14).

7. The tube product stretching and cutting device according to claim 1, characterized in that: The inner wall of the annular groove (6) is made of anti-slip material.

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