Extrusion opening cut-off mechanism of polyethylene pipe production equipment

Abstract

The utility model provides an extrusion opening cut-off mechanism of polyethylene pipe production equipment, which relates to the technical field of pipe cut-off and comprises a lifting platform, the lifting platform comprises a workbench, lifting legs are mounted on the bottom surface of the workbench, and a vertical plate is fixed on the top surface of the workbench. According to the extrusion opening cutting-off mechanism of the polyethylene pipe production equipment, a second motor is started to drive a cutting knife to rotate, a servo motor is started to drive a lead screw to rotate, then a sliding block subjected to rotation limiting moves, the cutting knife is driven by the sliding block to gradually get close to a pipe, and then the cutting knife enters the pipe; the first motor is started to drive the rotating gear ring to rotate through the driving gear, so that the cutting knife rotates around the pipe, the pipe is cut, downward pressure on the pipe during cutting is effectively reduced, and the risk of deformation of the pipe due to compression is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a pipe material cutting device, in particular to an extrusion outlet cutting mechanism of polyethylene pipe production equipment belongs to pipe material cutting technical field. BACKGROUND

[0002] Polyethylene pipe is widely used in water supply and drainage, gas transmission and other fields, its production process includes extrusion molding, cooling and shaping and cutting and other links, and the extrusion outlet cutting mechanism is used for controlling the length of the pipe material, improving the production efficiency, and ensuring the smoothness of the cut, so as to facilitate the subsequent butt joint or processing.

[0003] In the patent publication CN221604504U, a cutting device for polyethylene pipe production is disclosed, which can cut polyethylene pipe into equal length each time through the setting of the blocking plate, and the polyethylene pipe can be conveyed forward along the pipeline feeding conveying line under its own gravity without external driving, and the cutting blade is driven by the lifting cylinder to cut the polyethylene pipe, which can also promote the polyethylene pipe to separate from the blocking of the blocking plate, so that the polyethylene pipe moves to the pipeline unloading conveying line under the action of gravity, and the whole feeding and unloading is completed by its own gravity, and the structure is relatively simple.

[0004] The above-mentioned patent cuts the polyethylene pipe by the cutting blade, and it is found in actual application that when the cutting blade moves from top to bottom, the vertical cutting force will exert downward pressure on the pipe material, and the polyethylene pipe is made of plastic material with low compressive strength, so the pipe material is easily deformed by extrusion. Therefore, an extrusion outlet cutting mechanism of polyethylene pipe production equipment is proposed. UTILITY MODEL CONTENTS

[0005] The utility model provides an extrusion outlet cutting mechanism of polyethylene pipe production equipment, which can reduce the downward pressure on the pipe material during cutting and reduce the risk of pipe deformation due to pressure.

[0006] The utility model is implemented by the following technical scheme: an extrusion outlet cutting mechanism of polyethylene pipe production equipment, comprising a lifting platform, the lifting platform comprises a workbench, the bottom surface of the workbench is provided with a lifting leg, and the vertical plate is fixed to the top surface of the workbench.

[0007] A guide assembly is arranged on the lifting platform, the guide assembly comprises two symmetrical mounting plates, the two mounting plates are both mounted on the top surface of the workbench, and the two mounting plates are both rotatably connected with uniformly distributed guide columns.

[0008] The lifting platform is provided with a cutting mechanism for cutting the pipe, and the lifting platform is provided with a trigger assembly for triggering the cutting mechanism, the trigger assembly comprises a fixed plate, a stand is fixed on the fixed plate, a moving rod is slidably connected to the upper end of the stand, and a baffle and a moving plate are respectively fixed at the two ends of the moving rod.

[0009] A compression spring is fixed between the baffle and the stand, the compression spring is sleeved on the moving rod, and a first trigger switch and a second trigger switch are respectively mounted on the side faces of the baffle and the stand that are close to each other.

[0010] A fourth trigger switch and a third trigger switch are respectively mounted on the side faces of the moving plate and the stand that are close to each other, the third trigger switch and the fourth trigger switch are electrically connected with the polyethylene pipe production extrusion equipment, and the first trigger switch and the second trigger switch are electrically connected with the servo motor, the second motor and the first motor.

[0011] The cutting mechanism comprises a vertical plate, a rotating gear ring is rotatably connected to the vertical plate, a driving assembly for driving the rotating gear ring is arranged on the vertical plate, the driving assembly comprises a first motor, the first motor is fixed on the vertical plate, a driving gear is fixed at the output end of the first motor, and the driving gear is meshed with the rotating gear ring.

[0012] The cutting mechanism further comprises a cutting assembly, the cutting assembly comprises a motor bracket, the motor bracket is fixed on the sliding block, a second motor is fixed on the motor bracket, and a cutting knife is fixed at the output end of the second motor.

[0013] A lead screw moving assembly for moving the cutting assembly is arranged on the rotating gear ring, the lead screw moving assembly comprises a mounting bracket, the mounting bracket is fixed with the rotating gear ring, a servo motor is fixed on the mounting bracket, a lead screw is fixed at the output end of the servo motor, a sliding block is mounted on the lead screw, and the sliding block is slidably connected with the mounting bracket.

[0014] The utility model provides an extrusion outlet cutting mechanism of polyethylene pipe production equipment, and the beneficial effects are as follows:

[0015] 1, the second motor of the extrusion outlet cutting mechanism of polyethylene pipe production equipment starts and drives the cutting knife to rotate, the servo motor starts and drives the lead screw to rotate, and then the sliding block limited by rotation moves, the cutting knife is gradually close to the pipe under the driving of the sliding block, and then the cutting knife enters the pipe, the first motor is started and drives the rotating gear ring to rotate through the driving gear, and then the cutting knife rotates around the pipe, realizes the cutting of the pipe, effectively reduces the downward pressure on the pipe during cutting, and reduces the risk of pipe deformation due to pressure. DRAWINGS

[0016] Figure 1The utility model discloses a three -dimensional structure schematic diagram for the utility model;

[0017] Figure 2 The utility model discloses a drive assembly structure schematic diagram for the utility model;

[0018] Figure 3 The utility model discloses a Figure 2 The structure amplification schematic diagram of A place in middle;

[0019] Figure 4 The utility model discloses a trigger assembly structure schematic diagram.

[0020] Mark explanation

[0021] 1, lift platform;101, workbench;102, lifting leg;

[0022] 2, cut-off mechanism;201, vertical board;202, rotating gear ring;203, drive assembly;2031, first motor;2032, driving gear;

[0023] 204, screw moving assembly;2041, mounting bracket;2042, servo motor;2043, screw;2044, sliding block;

[0024] 205, cutting assembly;2051, motor bracket;2052, second motor;2053, cutting knife;

[0025] 3, guide assembly;301, mounting plate;302, guide column;

[0026] 4, trigger assembly;401, fixed plate;402, stand;403, moving rod;404, baffle;405, moving plate;406, compression spring;407, first trigger switch;408, second trigger switch;409, third trigger switch;410, fourth trigger switch. Specific implementation

[0027] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application.

[0028] Please refer to Figures 1-4The utility model provides an implementation scheme as follows: A kind of extrusion outlet cutting mechanism of polyethylene pipe production equipment, including lifting platform 1, lifting platform 1 includes workbench 101, the bottom surface of workbench 101 is equipped with lifting leg 102, vertical plate 201 is fixed on the top surface of workbench 101, lifting leg 102 is prior art device, the height of workbench 101 can be lifted by lifting leg 102.

[0029] Please refer to Figure 1 Lifting platform 1 is equipped with guide assembly 3, guide assembly 3 includes two symmetrical mounting plates 301, two mounting plates 301 are all installed on the top surface of workbench 101, two mounting plates 301 are all rotatably connected with the guide column 302 that is evenly distributed, pipe material can be supported by guide column 302.

[0030] Please refer to Figure 1 And Figure 4 Lifting platform 1 is equipped with cutting mechanism 2 for cutting pipe material, there is trigger assembly 4 for triggering cutting mechanism 2 on lifting platform 1, trigger assembly 4 includes fixed plate 401, fixed plate 401 can be fixed on the top surface of workbench 101 by bolt, a plurality of threaded holes are formed in the top surface of workbench 101, fixed plate 401 is fixed with stand 402, the upper end of stand 402 is slidably connected with moving rod 403, the two ends of moving rod 403 are respectively fixed with baffle 404 and moving plate 405.

[0031] Baffle 404 and stand 402 are fixed with compression spring 406, compression spring 406 is sleeved on moving rod 403, the side surface of baffle 404 and stand 402, which are close to each other, is respectively provided with first trigger switch 407 and second trigger switch 408.

[0032] The side surface of moving plate 405 and stand 402, which are close to each other, is respectively provided with fourth trigger switch 410 and third trigger switch 409, third trigger switch 409 and fourth trigger switch 410 are electrically connected with polyethylene pipe production extrusion equipment, first trigger switch 407 and second trigger switch 408 are electrically connected with servo motor 2042, second motor 2052 and first motor 2031.

[0033] Please refer to Figure 2 And Figure 3 Cutting mechanism 2 includes vertical plate 201, vertical plate 201 is rotatably connected with rotating gear ring 202, vertical plate 201 is provided with driving assembly 203 for driving rotating gear ring 202, driving assembly 203 includes first motor 2031, first motor 2031 is fixed on vertical plate 201, the output end of first motor 2031 is fixed with driving gear 2032, first motor 2031 will drive driving gear 2032 to rotate when starting, driving gear 2032 is engaged with rotating gear ring 202.

[0034] The cutting mechanism 2 further comprises a cutting assembly 205, the cutting assembly 205 comprising a motor frame 2051 fixed on the sliding block 2044, a second motor 2052 fixed on the motor frame 2051, and a cutting knife 2053 fixed on the output end of the second motor 2052, the rotation of the second motor 2052 driving the rotation of the cutting knife 2053.

[0035] The rotating gear ring 202 is provided with a lead screw moving assembly 204 for moving the cutting assembly 205, the lead screw moving assembly 204 comprising a mounting frame 2041 fixed with the rotating gear ring 202, a servo motor 2042 fixed on the mounting frame 2041, a lead screw 2043 fixed on the output end of the servo motor 2042, and a sliding block 2044 mounted on the lead screw 2043 and in sliding connection with the mounting frame 2041.

[0036] Working principle: After the polyethylene pipe production extrusion equipment sends out the pipe, the pipe will pass through the rotating gear ring 202, then the pipe will move to the guide column 302, when the pipe pushes the baffle 404, the baffle 404 will drive the moving rod 403 to move on the stand column 402, thereby making the first trigger switch 407 and the second trigger switch 408 closed, and the third trigger switch 409 and the fourth trigger switch 410 separated, and the pipe is limited by the polyethylene pipe production extrusion equipment and cannot rotate.

[0037] After the third trigger switch 409 and the fourth trigger switch 410 are separated, the polyethylene pipe production extrusion equipment no longer sends out the pipe, after the first trigger switch 407 and the second trigger switch 408 are closed, the second motor 2052 is started first, the start of the second motor 2052 drives the rotation of the cutting knife 2053, then the servo motor 2042 is started, the start of the servo motor 2042 drives the rotation of the lead screw 2043, thereby making the sliding block 2044 limited in rotation move, the cutting knife 2053 driven by the sliding block 2044 gradually approaches the pipe, thereby making the cutting knife 2053 enter the inside of the pipe, finally the first motor 2031 is started, the start of the first motor 2031 drives the rotating gear ring 202 to rotate through the driving gear 2032, thereby making the cutting knife 2053 rotate around the pipe, realizing the cutting of the pipe, effectively reducing the downward pressure on the pipe during cutting, and reducing the risk of deformation of the pipe due to pressure.

[0038] The basic principle and main features of the present application and the advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements 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. An extrusion port cutting-off mechanism of a polyethylene pipe production equipment, comprising a lifting platform (1), a guide assembly (3) is arranged on the lifting platform (1), characterized in that: The lifting platform (1) is provided with a cutting mechanism (2) for cutting pipe materials, and the lifting platform (1) is provided with a trigger assembly (4) for triggering the cutting mechanism (2); The cutting mechanism (2) comprises a vertical plate (201), a rotating gear ring (202) is rotatably connected to the vertical plate (201), a driving assembly (203) for driving the rotating gear ring (202) is arranged on the vertical plate (201), and a cutting assembly (205) is further arranged on the cutting mechanism (2), and a lead screw moving assembly (204) for moving the cutting assembly (205) is arranged on the rotating gear ring (202).

2. The extrusion port cutting-off mechanism of a polyethylene pipe production apparatus according to claim 1, characterized in that: The lifting platform (1) comprises a workbench (101), and the bottom surface of the workbench (101) is provided with lifting legs (102), and the vertical plate (201) is fixed to the top surface of the workbench (101).

3. The extrusion port cutting-off mechanism of a polyethylene pipe production apparatus according to claim 1, characterized in that: The driving assembly (203) comprises a first motor (2031) fixed to the vertical plate (201), and a driving gear (2032) is fixed to the output end of the first motor (2031) and engaged with the rotating gear ring (202).

4. The extrusion port cutting-off mechanism of a polyethylene pipe production apparatus according to claim 3, characterized in that: The lead screw moving assembly (204) comprises a mounting frame (2041) fixed to the rotating gear ring (202), a servo motor (2042) is fixed to the mounting frame (2041), a lead screw (2043) is fixed to the output end of the servo motor (2042), and a sliding block (2044) is mounted on the lead screw (2043) and slidably connected to the mounting frame (2041).

5. The extrusion port cutting-off mechanism of a polyethylene pipe production apparatus according to claim 4, characterized in that: The cutting assembly (205) comprises a motor bracket (2051) fixed to the sliding block (2044), a second motor (2052) is fixed to the motor bracket (2051), and a cutting knife (2053) is fixed to the output end of the second motor (2052).

6. The extrusion port cutting-off mechanism of a polyethylene pipe production apparatus according to claim 5, characterized in that: The trigger assembly (4) comprises a fixed plate (401), a stand (402) is fixed to the fixed plate (401), a moving rod (403) is slidably connected to the upper end of the stand (402), a baffle (404) and a moving plate (405) are respectively fixed to the two ends of the moving rod (403), a compression spring (406) is fixed between the baffle (404) and the stand (402), the compression spring (406) is sleeved on the moving rod (403), a first trigger switch (407) and a second trigger switch (408) are respectively arranged on the side surface of the stand (402) and the baffle (404) which are close to each other, a fourth trigger switch (410) and a third trigger switch (409) are respectively arranged on the side surface of the stand (402) and the moving plate (405) which are close to each other, the third trigger switch (409) and the fourth trigger switch (410) are electrically connected with the polyethylene pipe production extrusion equipment, and the first trigger switch (407) and the second trigger switch (408) are electrically connected with the servo motor (2042), the second motor (2052) and the first motor (2031).

7. The extrusion port cutting-off mechanism of a polyethylene pipe production apparatus according to claim 2, characterized in that: The guiding assembly (3) comprises two symmetrical mounting plates (301), both of which are mounted on the top surface of the workbench (101), and both of which are rotationally connected with uniformly distributed guiding columns (302).

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