A low-position feeding device for PE pipe production

Abstract

The present invention provides a low-position feeding device for PE pipe production, which relates to the technical field of PE pipe production. It includes a frame assembly, and the frame assembly includes a bottom plate, a side frame, a fixed seat, a main frame, a sub-frame, a locking frame, and a support rod that are fixed together; a production feeding assembly, which is arranged on the frame assembly and is used for obliquely upward conveying of production materials; a lowering assembly, which is arranged on the frame assembly, and the lowering assembly includes a lowering frame and a telescopic device. The front part of the lowering frame is provided with an inclined part, and the included angle β between the inclined part and the horizontal part of the lowering frame is 10 degrees - 35 degrees. The rear part of the lowering frame is provided with a connecting part, and the connecting part is rotatably connected to the lower part of the side frame. By setting the lowering assembly and the frame assembly, the telescopic device can be used to drive the lowering frame to lower the height, and in cooperation with the inclination of the holding assembly, the handling height can be reduced to the greatest extent, thereby facilitating the manual pouring of polyethylene resin particle raw materials.

Description

Technical Field

[0001] The invention relates to the technical field of PE pipe production, in particular to a low-position feeding device for PE pipe production. Background Art

[0002] PE pipe is a general term for polyethylene pipes. PE pipe is a highly crystalline, non-polar thermoplastic resin pipe. PE has excellent resistance to most domestic and industrial chemicals. The main raw material for PE pipe production is polyethylene (PE) resin particles. According to different pipe uses and requirements, choose the appropriate polyethylene type, such as high-density polyethylene (HDPE), linear low-density polyethylene (LLDPE), etc. At the same time, additives such as reinforcing agents and antioxidants need to be added as needed to improve the performance of the pipe. When producing PE pipes, it is necessary to add raw materials to other equipment such as extruders through a feeding device.

[0003] In the related technology, such as the announcement number: CN221809513U, a feeding device for PE pipe production includes a material box, a cover plate, a feed pipe, a discharge pipe and a drive motor. The top opening position of the material box is detachably connected with the cover plate, the bottom discharge port position of the material box is conductively connected with the feed pipe, the discharge hole position of the feed pipe is conductively connected with the discharge pipe, the end face position of the feed pipe is plugged with a drive motor, and the transmission output end of the drive motor is transmission-connected to a auger.

[0004] The device drives the auger to rotate through a motor and uses the auger to transport the raw material particles to the target location. However, the material box has a certain height. When dumping the polyethylene resin particle raw materials, they need to be manually carried to a high place such as the material box before dumping. It is laborious to carry various materials multiple times. Summary of the invention

[0005] 1. Technical issues to be resolved

[0006] In view of the shortcomings of the prior art, the present invention provides a low-level loading device for PE pipe production, which solves the problem that when pouring polyethylene resin granule raw materials, they need to be manually carried to a high place such as a material box before they can be poured, and the problem of multiple carrying of various materials is laborious.

[0007] (II) Technical solution

[0008] To achieve the above objectives, the present invention is implemented through the following technical solutions: A low-position feeding device for PE pipe production, comprising:

[0009] A frame assembly, the frame assembly comprising a bottom plate, a side frame, a fixing seat, a main frame, a sub-frame, a locking frame, and a support rod fixed as one;

[0010] Production feeding component, which is arranged on the frame component and is used for obliquely upward conveying of production materials;

[0011] Lowering component, which is arranged on the frame component. The lowering component includes a lowering frame and a telescopic device. The front part of the lowering frame is provided with an inclined part, and the included angle β between the inclined part and the horizontal part of the lowering frame is 10 degrees - 35 degrees. The rear part of the lowering frame is provided with a connecting part, and the connecting part is rotatably connected to the lower part of the side frame. The telescopic device is rotatably connected to the upper part of the side frame, and the telescopic end of the telescopic device is rotatably connected to the connecting part;

[0012] Containing component, which is arranged inside the lowering frame and is used for containing materials;

[0013] Locking component, which is arranged on the locking frame and is used to cooperate with the support rod to lock and release the lowering frame;

[0014] Knocking component, which is arranged at the front part of the lowering frame and is used for knocking the containing component. By setting the lowering component and the frame component, the telescopic device can be used to drive the lowering frame to lower the height. Combining with the inclination of the containing component, the handling height can be reduced to the greatest extent, so as to facilitate manual pouring of polyethylene resin particle raw materials, which is suitable for PE pipe production; by setting the locking component, the mutual cooperation of the locking claw and the support rod can be used to automatically lock and release the lowering frame, improve the stability of the lowering frame, and provide support in the power-off state to prevent the lowering frame from falling and improve the safety of the feeding process; by setting the knocking component, the knocking head is driven to swing by gravitational potential energy, so that the containing component can be knocked, the material falling speed can be accelerated, the material can be fully filtered, and the discharge rate of the material can be improved.

[0015] Preferably, the rear part of the bottom plate is symmetrically and fixedly installed with directional wheels, the front part of the bottom plate is symmetrically and fixedly installed with universal wheels, the front part of the bottom plate is symmetrically and fixedly connected with elastic pads, the elastic pads correspond to the position of the lowering frame, and a controller is installed on the side frame.

[0016] Preferably, the production feeding component includes a feeding pipe, the feeding pipe is fixedly connected to the side frame, the main frame and the fixed seat. The lower part of the feeding pipe is fixedly connected with a feeding bellows, the feeding bellows is communicated with the containing component, the upper part of the feeding pipe is fixedly connected with a discharge pipe, an upper feeding motor is fixedly installed on the upper part of the feeding pipe, and the output end of the upper feeding motor is fixedly connected with a feeding auger, and the feeding auger is rotatably installed in the feeding pipe.

[0017] Preferably, the storage assembly includes a hopper, a gathering hopper is provided at the lower part of the hopper, the gathering hopper is communicated with the production feeding assembly, a support shaft is fixedly connected to the middle part of the hopper, the support shaft is rotationally connected to the lowering frame, a claw is fixedly connected to the front part of the hopper, the claw is in snap-fit with the inclined part, and a support plate is fixedly connected to the rear part of the hopper, and the support plate can be in contact with the upper surface of the lowering frame.

[0018] Preferably, a filter screen is provided in the hopper, a dust-proof cover is fixedly connected to the upper part of the hopper, a dust-proof door is connected to the dust-proof cover through a hinge, and the dust-proof door is made of a transparent material.

[0019] Preferably, the cross-sectional shape of the filter screen is V-shaped, and the tip is inclined downward by 30 degrees.

[0020] Preferably, the locking assembly includes a sliding rod fixedly installed on the locking frame. One end of the sliding rod away from the locking frame is fixedly connected to a baffle, an electromagnet I is fixedly installed on the baffle, a locking claw is slidably connected to the sliding rod, a spring is sleeved on the sliding rod and located inside the locking claw, and a permanent magnet I is fixedly connected to one side of the locking claw close to the electromagnet I, and the magnetic property of the permanent magnet I is the same as that of the electromagnet I in the energized state.

[0021] Preferably, the knocking assembly includes a mounting plate and a mounting rod fixedly installed on the front part of the lowering frame. A swing arm is rotationally connected to the mounting rod, a knocking head is fixedly connected to the lower end of the swing arm, a permanent magnet II is fixedly connected to the swing arm, and an electromagnet II is installed at a position opposite to the permanent magnet II on the mounting plate, and the magnetic property of the permanent magnet II is opposite to that of the electromagnet II in the energized state.

[0022] (III) Beneficial effects

[0023] The present invention provides a low-position feeding device for PE pipe production. It has the following beneficial effects:

[0024] 1. By setting the lowering assembly and the frame assembly, the present invention can drive the lowering frame to lower the height by using the telescopic device, and cooperate with the inclination of the storage assembly to minimize the handling height, so as to facilitate manual pouring of polyethylene resin particle raw materials, which is suitable for PE pipe production.

[0025] 2. By setting the locking assembly, the present invention can realize automatic locking and release of the lowering frame by the mutual cooperation of the locking claw and the support rod, improve the stability of the lowering frame, and provide support in the power-off state to prevent the lowering frame from falling and improve the safety of the feeding process.

[0026] 3. The present invention uses the knocking component to drive the knocking head to swing by using the gravitational potential energy, so as to knock the containing component, accelerate the falling of the material, make the material fully filtered, and improve the material discharge rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is an overall stereogram of the present invention;

[0028] Figure 2 It is an overall stereogram of another viewing angle of the present invention;

[0029] Figure 3 It is an overall cross-sectional view of the present invention;

[0030] Figure 4 is a three-dimensional diagram of the frame assembly of the present invention;

[0031] Figure 5 A three-dimensional diagram of the locking assembly and the support rod portion of the present invention;

[0032] Figure 6 A three-dimensional diagram of the locking frame and the support rod of the present invention;

[0033] Figure 7 An exploded view of the locking assembly of the present invention;

[0034] Figure 8 A cutaway perspective view of a production loading assembly of the present invention;

[0035] Figure 9 is a perspective view of a lowering assembly of the present invention;

[0036] Figure 10 is a side view of a lowering assembly of the present invention;

[0037] Figure 11 A three-dimensional diagram of the striking assembly of the present invention;

[0038] Figure 12 It is a three-dimensional diagram of the containing assembly of the present invention.

[0039] Among them, 1. Frame assembly; 2. Production feeding assembly; 3. Lowering assembly; 4. Containing assembly; 5. Locking assembly; 6. Knocking assembly; 101. Bottom plate; 102. Elastic pad; 103. Universal wheel; 104. Side frame; 105. Controller; 106. Fixed seat; 107. Directional wheel; 108. Sub-frame; 109. Main frame; 110. Locking frame; 111. Support rod; 501. Locking claw; 502. Slide bar; 503. Spring; 504. Permanent magnet 1; 505. Electromagnet 1; 506. Baffle; 201. Discharge pipe; 202. Feeding motor; 203. Feeding pipe; 204. Feeding auger; 205. Feeding bellows; 301. Lowering frame; 302. Inclined part; 303. Telescopic device; 304. Connecting part; 601. Mounting plate; 602. Electromagnet 2; 603. Mounting rod; 604. Swing arm; 605. Permanent magnet 2; 606. Knocking head; 401. Hopper; 402. Support shaft; 403. Aggregation hopper; 404. Claw; 405. Support plate; 406. Filter screen; 407. Dust cover; 408. Dust door. Specific embodiments

[0040] 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. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0041] As Figures 1 - 12 shown, the embodiment of the present invention provides a low-position feeding device for PE pipe production, including a frame assembly 1. The frame assembly 1 includes a bottom plate 101, a side frame 104, and a fixed seat 106 that are fixed together, a main frame 109, a sub-frame 108, a locking frame 110, and a support rod 111. Directional wheels 107 are symmetrically and fixedly installed at the rear of the bottom plate 101, universal wheels 103 are symmetrically and fixedly installed at the front of the bottom plate 101, elastic pads 102 are symmetrically and fixedly connected to the front of the bottom plate 101, and the elastic pads 102 correspond to the position of the lowering frame 301. A controller 105 is installed on the side frame 104;

[0042] Refer to Figure 1 、 Figure 4The bottom plate 101 and the side frame 104 are used to provide a partition for the dumping environment to prevent other objects from colliding with workers and improve the safety of dumping materials. The directional wheels 107 and the universal wheels 103 are used for overall movement, which is convenient for moving the device as a whole to the required position. It is flexible and convenient to use. In order to improve the stability of the use state, brake components or directional wheels 107 and universal wheels 103 with built-in brakes can be added; the elastic pad 102 is used to provide indication and buffering functions to prevent the lowering frame 301 from colliding with the bottom plate 101 when it is lowered, generating noise, and at the same time indicating the lowering position of the lowering frame 301 to serve as a warning; the controller 105 selects the PLC controller commonly used on the market to control the operation of the electromagnet 1 505, the electromagnet 2 602, and the feeding motor 202.

[0043] The production loading component 2 is arranged on the frame component 1 and is used for conveying production materials obliquely upward;

[0044] The production feeding assembly 2 includes a feeding pipe 203, which is fixedly connected to the side frame 104, the main frame 109 and the fixed seat 106. The lower part of the feeding pipe 203 is fixedly connected with a feeding bellows 205, and the feeding bellows 205 is interconnected with the containing assembly 4. The upper part of the feeding pipe 203 is fixedly connected with a discharge pipe 201, and a feeding motor 202 is fixedly installed on the upper part of the feeding pipe 203. The output end of the feeding motor 202 is fixedly connected with a feeding auger 204, and the feeding auger 204 is rotatably installed in the feeding pipe 203;

[0045] refer to Figure 3 , Figure 8 During the feeding operation, the feeding motor 202 is powered on to drive the feeding auger 204 to rotate. The feeding auger 204 pushes the bottom material entering from the feeding bellows 205 to the top, and then releases it from the discharge pipe 201, thereby conveying the production materials.

[0046] A lowering assembly 3 is arranged on the frame assembly 1. The lowering assembly 3 includes a lowering frame 301 and a telescopic device 303. The front portion of the lowering frame 301 is provided with an inclined portion 302. The angle β between the inclined portion 302 and the horizontal portion of the lowering frame 301 is 10 degrees to 35 degrees. The rear portion of the lowering frame 301 is provided with a connecting portion 304. The connecting portion 304 is rotatably connected to the lower portion of the side frame 104. The telescopic device 303 is rotatably connected to the upper portion of the side frame 104. The telescopic end of the telescopic device 303 is rotatably connected to the connecting portion 304.

[0047] refer to Figure 2 , Figure 9 , Figure 10, when lowering the operation, the telescopic device 303 works, and its telescopic end extends to drive the lowering frame 301 to rotate through the connecting part 304. The rotation angle range is 10 degrees - 35 degrees, so that the lowering frame 301 descends to the bottom plate 101, realizing the function of lowering the holding component 4. The telescopic device 303 can be an electric push rod or a hydraulic cylinder, which can be selected according to the actual load.

[0048] The holding component 4 is arranged inside the lowering frame 301 and is used for holding materials;

[0049] The holding component 4 includes a hopper 401. A gathering hopper 403 is arranged at the lower part of the hopper 401. The gathering hopper 403 is communicated with the production feeding component 2. A support shaft 402 is fixedly connected to the middle part of the hopper 401. The support shaft 402 is rotationally connected to the lowering frame 301. A claw 404 is fixedly connected to the front part of the hopper 401. The claw 404 is engaged with the inclined part 302. A support plate 405 is fixedly connected to the rear part of the hopper 401. The support plate 405 can be in contact with the upper surface of the lowering frame 301;

[0050] Reference Figure 1 、 Figure 12 , during the holding operation, the hopper 401 is used for holding materials and can rotate around the support shaft 402. The claw 404 is used to provide a preliminary fixing effect on the hopper 401 in the rotating state. The fixing force it provides depends on the length of the clamping surface of the claw 404. The longer the clamping surface length, the greater the fixing force provided. The support plate 405 is used to be in contact with the upper surface of the lowering frame 301 to prevent the hopper 401 from reversing, limit the rotation range of the hopper 401, and improve the safety of the feeding process.

[0051] A filter screen 406 is arranged inside the hopper 401. The cross-sectional shape of the filter screen 406 is V-shaped, and the tip is set to be inclined downward by 30 degrees. A dust-proof cover 407 is fixedly connected to the upper part of the hopper 401. A dust-proof door 408 is connected to the dust-proof cover 407 through a hinge. The dust-proof door 408 is made of a transparent material;

[0052] Reference Figure 12 , the filter screen 406 is used to provide a filtering function for the materials to prevent large particle impurities from entering the hopper 401, thereby improving the quality of PE pipes. The tip of the filter screen 406 is set to be inclined downward by 30 degrees, which can make the materials roll along the filter screen 406 under the action of gravity, so that the materials are fully filtered, improve the filtering ability of the filter screen 406, and prevent the materials from being directly stuck on the filter screen 406 due to gravity. Among them, the higher part of the filter screen 406, on the one hand, provides the function of blocking the materials to prevent the materials from hitting the dust-proof cover 407, and on the other hand, increases the filtering area. The qualified materials can pass through the higher part of the filter screen 406, improving the consistency of the material particle size.

[0053] The locking assembly 5 is disposed on the locking frame 110 and is used to cooperate with the support rod 111 to achieve locking and releasing of the lowering frame 301;

[0054] The locking assembly 5 includes a slide bar 502 fixedly mounted on the locking frame 110, a baffle 506 fixedly connected to one end of the slide bar 502 away from the locking frame 110, an electromagnet 505 fixedly mounted on the baffle 506, a locking claw 501 slidably connected to the slide bar 502, a spring 503 is sleeved on the slide bar 502 and located on the inner side of the locking claw 501, a permanent magnet 504 is fixedly connected to one side of the locking claw 501 close to the electromagnet 505, and the permanent magnet 504 has the same magnetic properties as the electromagnet 505 in the energized state;

[0055] refer to Figure 9 , Figure 7 , Figure 5 , Figure 6 When the locking operation is performed, the lowering frame 301 can be placed in the support rod 111, and the support rod 111 is L-shaped. When the lowering frame 301 is placed in the support rod 111, the tip part of the locking claw 501 will come into contact, and the inclined surface of the tip will generate an outward thrust on the locking claw 501, so that the locking claw 501 compresses the spring 503 until the lowering frame 301 is completely placed in the support rod 111, completing the automatic locking function, providing support in the power off state, preventing the lowering frame 301 from falling, and improving the safety of the loading process; when it needs to be released for use, the electromagnet 505 is energized to work, and the magnetic force generated by the electromagnet 505 is the same as the magnetic force of the permanent magnet 504. According to the principle of like charges repel each other, an outward thrust will be generated on the locking claw 501, and the lowering frame 301 can be moved out of the support rod 111, thereby realizing the function of automatically releasing the lowering frame 301.

[0056] A knocking component 6, which is disposed at the front of the lowering frame 301 and is used to knock the containing component 4;

[0057] The knocking assembly 6 includes a mounting plate 601 and a mounting rod 603 fixedly mounted on the front of the lowering frame 301. A swing arm 604 is rotatably connected to the mounting rod 603. A knocking head 606 is fixedly connected to the lower end of the swing arm 604. A second permanent magnet 605 is fixedly connected to the swing arm 604. A second electromagnet 602 is mounted on the mounting plate 601 at a position opposite to the second permanent magnet 605. The second permanent magnet 605 has opposite magnetic properties to the second electromagnet 602 in the energized state.

[0058] refer to Figure 3 , Figure 9 , Figure 11, when the lowering frame 301 is in the upper position, since the magnetic polarity of the permanent magnet II 605 is opposite to that of the energized electromagnet II 602, the magnetic force generated by the energized electromagnet II 602 can adsorb the swing arm 604 by attracting the permanent magnet II 605. When the electromagnet II 602 is de-energized, the swing arm 604 and the striking head 606 will swing under the action of gravity, thereby striking the hopper 401, causing the hopper 401 to vibrate, making the materials in the hopper 401 jump, ensuring that the materials are completely released and will not remain in the hopper 401. At the same time, the release condition of the materials in the hopper 401 can also be identified by the generated sound. If the sound generated by striking the hopper 401 is clear, it indicates that a large amount of materials have been released; if the sound generated by striking the hopper 401 is dull, it indicates that a small amount of materials have been released, which can provide a reference for subsequent feeding.

[0059] Working principle: In the initial state, the lowering frame 301 is on the bottom plate 101. At this time, the hopper 401 is empty. Therefore, it is easy to rotate the hopper 401 from the horizontal state to the inclined state, open the dust-proof door 408, and manually place the material bag in front of the hopper 401. The gravity of the materials can keep the hopper 401 in the inclined state, making manual feeding easy and convenient. Then, the materials roll along the filter screen 406 under the action of gravity, so that the materials are fully filtered, and the qualified materials enter the hopper 401. As the materials in the hopper 401 increase, under the action of the gravity of the materials, the hopper 401 returns to the horizontal state again. At this time, the support plate 405 contacts the upper surface of the lowering frame 301;

[0060] Then the telescopic device 303 works. Its telescopic end extends and drives the lowering frame 301 to rotate through the connecting part 304. The rotation angle range is 10 degrees - 35 degrees, so that the lowering frame 301 moves from the bottom plate 101 to the upper part. At this time, the lowering frame 301 is located inside the support rod 111. The lowering frame 301 will contact the tip part of the locking claw 501, and the inclined surface of the tip will generate an outward thrust on the locking claw 501, causing the locking claw 501 to compress the spring 503 until the lowering frame 301 is completely placed inside the support rod 111, completing the function of automatic locking. During the rotation process, due to the overall gravity of the materials and the hopper 401, the hopper 401 always remains in the horizontal state. The inclined part 302 of the lowering frame 301 in the upper state will engage with the claw 404. Since the feeding bellows 205 has the characteristic of being deformable, it can thus meet various states of the hopper 401. The materials fall from the feeding bellows 205 into the feeding pipe 203. The feeding motor 202 is energized to work, driving the feeding auger 204 to rotate. The feeding auger 204 pushes the bottom materials entering from the feeding bellows 205 to the top, and then releases them from the discharge pipe 201;

[0061] At the same time of release, since the magnetic polarity of the permanent magnet II 605 is opposite to that of the energized electromagnet II 602, the magnetic force generated by the energization of the electromagnet II 602 can adsorb the swing arm 604 by attracting the permanent magnet II 605. When the electromagnet II 602 is de-energized, the swing arm 604 and the striking head 606 will swing under the action of gravity, thereby striking the hopper 401, causing the hopper 401 to vibrate, making the materials in the hopper 401 jump, ensuring the complete release of the materials and preventing them from staying in the hopper 401. At the same time, the release condition of the materials in the hopper 401 can also be identified by the generated sound. If the sound generated by striking the hopper 401 is clear, it indicates a large amount of material release; if the sound is dull, it indicates a small amount of material release, which can provide a reference for subsequent feeding.

[0062] After the release is complete, the electromagnet I 505 is energized. The magnetic force generated by the electromagnet I 505 has the same magnetic polarity as the permanent magnet I 504. According to the principle of like poles repelling each other, a lateral thrust will be generated on the locking claw 501, and the lowering frame 301 can be removed from the support rod 111, thus realizing the function of automatically releasing the lowering frame 301, and the next feeding operation can be completed.

[0063] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A low-position feeding device for PE pipe production, characterized in that: include: A frame assembly (1), the frame assembly (1) comprising a bottom plate (101), a side frame (104), a fixing seat (106), a main frame (109), a sub-frame (108), a locking frame (110), and a support rod (111) fixed as one body; A production loading component (2), the production loading component (2) being arranged on the frame component (1) and being used for conveying production materials obliquely upwards; A lowering assembly (3), the lowering assembly (3) being arranged on the frame assembly (1), the lowering assembly (3) comprising a lowering frame (301) and a telescopic device (303), the front portion of the lowering frame (301) being provided with an inclined portion (302), the angle β between the inclined portion (302) and the horizontal portion of the lowering frame (301) being 10 degrees to 35 degrees, the rear portion of the lowering frame (301) being provided with a connecting portion (304), the connecting portion (304) being rotatably connected to the lower portion of the side frame (104), the telescopic device (303) being rotatably connected to the upper portion of the side frame (104), and the telescopic end of the telescopic device (303) being rotatably connected to the connecting portion (304); A containing assembly (4), the containing assembly (4) being arranged on the inner side of the lowering frame (301) and being used for containing materials; the containing assembly (4) comprising a hopper (401), a gathering hopper (403) being arranged at the lower part of the hopper (401), the gathering hopper (403) being connected to the production feeding assembly (2), a supporting shaft (402) being fixedly connected to the middle part of the hopper (401), the supporting shaft (402) being rotatably connected to the lowering frame (301), the The front part of the hopper (401) is fixedly connected with a claw (404), the claw (404) is engaged with the inclined part (302), the rear part of the hopper (401) is fixedly connected with a support plate (405), the support plate (405) can contact with the upper surface of the lowering frame (301); a filter screen (406) is arranged in the hopper (401), the cross section of the filter screen (406) is V-shaped, and the tip is arranged to be tilted downward by thirty degrees; A locking assembly (5), the locking assembly (5) being arranged on the locking frame (110) and being used for cooperating with the support rod (111) to realize locking and releasing the lowering frame (301); the locking assembly (5) comprising a sliding rod (502) fixedly mounted on the locking frame (110); a baffle (506) being fixedly connected to one end of the sliding rod (502) away from the locking frame (110); an electromagnet (505) being fixedly mounted on the baffle (506); a locking claw (501) being slidably connected to the sliding rod (502); a spring (503) being sleeved on the inner side of the locking claw (501) on the sliding rod (502); a permanent magnet (504) being fixedly connected to one side of the locking claw (501) close to the electromagnet (505); the magnetic properties of the permanent magnet (504) being the same as those of the electromagnet (505) in a powered state; A knocking component (6) is arranged at the front of the lowering frame (301) and is used for knocking the containing component (4).

2. A low-position feeding device for PE pipe production according to claim 1, characterized in that: The rear part of the bottom plate (101) is symmetrically fixedly mounted with fixed wheels (107), the front part of the bottom plate (101) is symmetrically fixedly mounted with universal wheels (103), the front part of the bottom plate (101) is symmetrically fixedly connected with elastic pads (102), the positions of the elastic pads (102) and the lowering frame (301) correspond to each other, and a controller (105) is mounted on the side frame (104).

3. The low-position feeding device for PE pipe production according to claim 1 is characterized in that: The production feeding component (2) comprises a feeding pipe (203), wherein the feeding pipe (203) is fixedly connected to the side frame (104), the main frame (109) and the fixed seat (106); the lower part of the feeding pipe (203) is fixedly connected to a feeding bellows (205); the feeding bellows (205) is communicated with the containing component (4); the upper part of the feeding pipe (203) is fixedly connected to a discharging pipe (201); the upper part of the feeding pipe (203) is fixedly installed with a feeding motor (202); the output end of the feeding motor (202) is fixedly connected to a feeding auger (204); and the feeding auger (204) is rotatably installed in the feeding pipe (203).

4. The low-position feeding device for PE pipe production according to claim 1 is characterized in that: A dust cover (407) is fixedly connected to the upper part of the hopper (401), and a dust cover (407) is hingedly connected to a dust door (408), wherein the dust door (408) is made of a transparent material.

5. The low-position feeding device for PE pipe production according to claim 1 is characterized in that: The knocking assembly (6) comprises a mounting plate (601) fixedly mounted on the front part of the lowering frame (301) and a mounting rod (603); a swing arm (604) is rotatably connected to the mounting rod (603); a knocking head (606) is fixedly connected to the lower end of the swing arm (604); a second permanent magnet (605) is fixedly connected to the swing arm (604); a second electromagnet (602) is mounted on the mounting plate (601) at a position opposite to the second permanent magnet (605); the second permanent magnet (605) has a magnetic property opposite to that of the second electromagnet (602) in a powered state.

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