Plastic protective net manufacturing equipment

By introducing PLC-controlled feeding components and mold design into plastic protective netting manufacturing equipment, the problems of raw material oxidation and mold replacement difficulties during emergency shutdowns have been solved, thereby improving raw material stability and production efficiency.

CN223972092UActive Publication Date: 2026-03-06ZHENJIANG MEIWEI PLASTIC CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202520565545.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-28
Publication Date
2026-03-06
Estimated Expiration
2035-03-28

AI Technical Summary

Technical Problem

Existing plastic protective netting manufacturing equipment is prone to raw material oxidation during emergency shutdowns, and molds are difficult to replace, affecting production efficiency and product diversity.

Method used

The feeding components and mold design adopt a PLC controller and an independent power supply system. The mold can be quickly installed and disassembled using an electromagnet and spring structure. The raw materials are stored in nitrogen to ensure their stability.

Benefits of technology

Maintaining stable raw material properties during emergency power outages simplifies mold changeover processes, improves production efficiency, and increases product diversity.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223972092U_ABST
    Figure CN223972092U_ABST
Patent Text Reader

Abstract

The utility model discloses plastic protective net manufacturing equipment, which belongs to the field of plastic protective net manufacturing equipment, and comprises a recycling pool, the upper end of the recycling pool is connected with a moving assembly, the interior of the moving assembly is connected with a mold, the upper end of the recycling pool is connected with a feeding assembly, the exterior of the recycling pool is connected with a recycling assembly, and the mold is connected with a mold. According to the technical scheme, the feeding device is characterized in that a feeding assembly, a PLC and a driving motor are electrically connected, and the PLC and the driving motor adopt two independent power supply systems, so that when the driving motor is powered off emergently, the PLC monitors that the driving motor is powered off, the PLC can control to open a first electromagnetic flow valve, nitrogen in a nitrogen cylinder enters a feeding barrel from a gas filling pipe, and the nitrogen in the nitrogen cylinder enters the feeding barrel from the gas filling pipe; a certain amount of nitrogen can be injected into the feeding barrel, so that the stability of the properties of the raw materials in the feeding barrel can be maintained; and through the arrangement of the mold, molds with different mesh shapes can be conveniently mounted and dismounted.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of plastic protective net manufacturing equipment, and in particular to a plastic protective net manufacturing equipment. Background Technology

[0002] Plastic protective netting is widely used in building protection, horticultural isolation, sports field enclosure and other fields. Plastic protective netting manufacturing equipment is a special machine used to produce plastic protective netting (such as building safety netting, agricultural protective netting, horticultural netting, etc.). Its core process is to process plastic raw materials into a mesh structure through extrusion, molding and other steps.

[0003] Patent application number CN201720037978.4 discloses an extrusion equipment for producing plastic mesh. This device can produce two types of plastic mesh at once, and can carry out continuous production. It can also immediately recycle and reuse waste materials, increase production speed, reduce costs, and bring more benefits to manufacturers. It has a simple structure and is easy to promote.

[0004] However, when the plastic protective net manufacturing equipment is shut down in an emergency, a large amount of raw materials may still be stored in the feeding hopper. Prolonged shutdown may cause oxidation of some of the raw materials, affecting their properties. Furthermore, the molds in the aforementioned patents are difficult to replace, making it difficult to produce plastic protective nets with different mesh shapes. Therefore, we propose a plastic protective net manufacturing equipment. Utility Model Content

[0005] In order to overcome the shortcomings of the existing technology, the purpose of this utility model is to provide a plastic protective net manufacturing equipment.

[0006] The above-mentioned technical objective of this utility model is achieved through the following technical solution:

[0007] A plastic protective net manufacturing device includes a recycling pool, a movable component connected to the upper end of the recycling pool, a mold connected inside the movable component, a feeding component connected to the upper end of the recycling pool, and a recycling component connected to the outside of the recycling pool.

[0008] The feeding assembly includes a bracket, which is fixedly connected to the upper end of the recycling tank. A feeding bucket is fixedly connected to the upper end of the bracket, and a nitrogen cylinder is placed on the upper end of the bracket. An inflation pipe is detachably connected to the output end of the nitrogen cylinder by screws. An electromagnetic flow valve is fixedly connected to the outside of the inflation pipe. The inflation pipe is detachably connected to the feeding bucket by screws. A PLC controller is fixedly connected to the front end of the feeding bucket. The PLC controller is electrically connected to the electromagnetic flow valve.

[0009] By setting up the feeding assembly, the PLC controller is electrically connected to the drive motor, and the PLC controller and the drive motor use two independent power supply systems. Therefore, when the drive motor experiences an emergency power failure, the PLC detects the power failure and can control the opening of the electromagnetic flow valve to allow nitrogen from the nitrogen cylinder to enter the feeding barrel through the filling pipe. This allows a fixed amount of nitrogen to be added to the feeding barrel to maintain the stability of the raw material properties inside the feeding barrel.

[0010] The mold includes a receiving pool, with a lower mold detachably connected to the inner side of the receiving pool. The upper end of the lower mold has a mesh groove, and the outer end of the lower mold has a through groove. Connecting pieces are fixedly connected to both the front and rear ends of the lower mold. Connecting blocks are fixedly connected to both the front and rear ends of the inner wall of the receiving pool. The connecting blocks are located between two adjacent left and right connecting pieces. Slots are opened at both the left and right ends of the connecting blocks. Electromagnets are fixedly connected inside the slots. A guide rod is fixedly connected inside the connecting piece. A magnetic metal block is movably connected to the outside of the guide rod. A limit piece is movably connected inside the magnetic metal block. The limit piece is fixedly connected to the guide rod. A spring is movably connected to the outside of the guide rod. A PLC controller is fixedly connected to the front end of the recycling pool.

[0011] By setting up a mold, when it is necessary to change the mold to a different mesh shape, a suitable lower mold is selected. The connecting block is placed between the connecting pieces from top to bottom. Then, the PLC controller is used to control the electromagnet connected to it to be energized. The strong magnetic attraction of the electromagnet pulls the magnetic metal block out along the guide rod and stretches the spring. The spring force is less than the magnetic attraction of the electromagnet, allowing the magnetic metal block to be inserted into the slot and firmly attracted to the electromagnet, thus completing the installation of the lower mold. Conversely, when disassembling, the PLC controller is used to control the electromagnet connected to it to be de-energized. The magnetic metal block loses the magnetic attraction of the electromagnet, and the spring loses its tension, thus allowing the magnetic metal block to be driven back to the connecting piece along the guide rod, completing the disassembly of the lower mold.

[0012] Furthermore, one end of the spring is fixedly connected to the connecting piece, and the other end of the spring is fixedly connected to the magnetic metal block. The magnetic metal block passes through the connecting piece and is movably connected to the connecting piece. The magnetic metal block is adapted to the slot.

[0013] Furthermore, the mold also includes a hydraulic cylinder, which is fixedly connected to the upper end of the bracket. An output rod is fixedly connected to the output end of the hydraulic cylinder. The output rod passes through the bracket and is slidably connected to the bracket. An upper mold is detachably connected to the lower end of the output rod by screws. A first punch is fixedly connected to the lower end of the upper mold, and a second punch is fixedly connected to the lower end of the upper mold. The first punch is adapted to the mesh groove, and the second punch is adapted to the through groove.

[0014] Furthermore, a discharge pipe is fixedly connected to the left end of the receiving pool, and a discharge valve is fixedly connected to the outside of the discharge pipe.

[0015] Furthermore, the feeding assembly also includes a feeding pipe, which is fixedly connected to the upper end of the feeding barrel. A sealing cap is threadedly connected to the upper end of the feeding pipe. A heating jacket is fixedly connected to the outside of the feeding barrel. An electric heating plate is fixedly connected to the inside of the heating jacket. A temperature sensor is fixedly embedded in the inner wall of the heating jacket. The temperature sensor is electrically connected to a PLC controller, and the electric heating plate is electrically connected to the PLC controller.

[0016] Furthermore, a drive motor is fixedly connected to the upper end of the feeding hopper, and a transmission shaft is fixedly connected to the output end of the drive motor. The transmission shaft is rotatably connected to the feeding hopper. A drive gear is fixedly connected to the lower end of the transmission shaft. Driven gears are meshed with both ends of the drive gear. A spiral extrusion rod is fixedly connected to the outside of the driven gear. The spiral extrusion rod is rotatably connected to the feeding hopper. A die head is fixedly connected to the lower end of the feeding hopper. A discharge pipe is fixedly connected to the lower end of the die head. An electromagnetic flow valve is fixedly connected to the outside of the discharge pipe.

[0017] Furthermore, the moving component includes a linear motor guide rail, which is fixedly connected to the upper end of the recycling pool. A linear motor moving part is fixedly connected to the upper end of the linear motor guide rail. A guide seat is fixedly connected to the upper end of the recycling pool. A guide block is slidably connected to the upper end of the guide seat. Both the guide block and the linear motor moving part are fixedly connected to the receiving pool.

[0018] Furthermore, the recycling assembly includes a recycling pump, which is fixedly connected to the left end of the recycling pool. The input end of the recycling pump is fixedly connected to an extraction pipe, and an external pipe of the extraction pipe is connected to a solenoid valve. The extraction pipe is fixedly connected to the recycling pool, and the output end of the recycling pump is fixedly connected to a recycling pipe. The recycling pipe is detachably connected to the feeding hopper by screws. The left end of the recycling pool is fixedly connected to a drain pipe, and a drain valve is fixedly connected to the outside of the drain pipe.

[0019] In summary, this utility model has the following beneficial effects:

[0020] 1. By setting up the feeding component, the PLC controller is electrically connected to the drive motor, and the PLC controller and the drive motor use two independent power supply systems. Therefore, when the drive motor is powered off in an emergency, the PLC will detect the power failure and control the opening of the electromagnetic flow valve to allow the nitrogen inside the nitrogen cylinder to enter the feeding barrel through the filling pipe. This allows a fixed amount of nitrogen to be added to the feeding barrel to maintain the stability of the raw material properties inside the feeding barrel.

[0021] 2. By setting up the mold, when it is necessary to change the mold with different mesh shapes, select the appropriate lower mold, place the connecting block between the connecting pieces from top to bottom, and then use PLC controller two to control the electromagnet connected to it to be energized. The strong magnetic attraction of the electromagnet will attract the magnetic metal block along the guide rod and stretch the spring. The spring force is less than the magnetic attraction of the electromagnet, allowing the magnetic metal block to be inserted into the slot and firmly attracted to the electromagnet, thus completing the installation of the lower mold. Conversely, when disassembling, use PLC controller two to control the electromagnet connected to it to be de-energized. The magnetic metal block loses the magnetic attraction of the electromagnet, the spring loses its tension, and thus the magnetic metal block can be driven to return to the inside of the connecting piece along the guide rod, completing the disassembly of the lower mold. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the overall structure in this embodiment;

[0023] Figure 2 This is a schematic diagram of the nitrogen cylinder in this embodiment;

[0024] Figure 3 This is a schematic diagram of the lower mold in this embodiment;

[0025] Figure 4 This is a schematic diagram of the connecting piece and connecting block in this embodiment;

[0026] Figure 5 This is a schematic diagram of the disassembled magnetic metal block and limiting plate in this embodiment;

[0027] Figure 6 This is a schematic diagram of the hydraulic cylinder in this embodiment;

[0028] Figure 7 This is a schematic diagram of the upper mold in this embodiment;

[0029] Figure 8 This is a schematic diagram of the spiral extruder in this embodiment;

[0030] Figure 9 This is a cross-sectional structural diagram of the heating jacket in this embodiment.

[0031] In the diagram: 1. Recycling pool; 2. Moving component; 201. Linear motor guide rail; 202. Linear motor mover seat; 203. Guide seat; 204. Guide block; 3. Mold; 301. Receiving pool; 302. Lower mold; 303. Mesh groove; 304. Through groove; 305. Connecting piece; 306. Connecting block; 307. Slot; 308. Electromagnet; 309. Guide rod; 310. Magnetic metal block; 311. Limiting piece; 312. Spring; 313. PLC controller two; 314. Hydraulic cylinder; 315. Output rod; 316. Upper mold; 317. Punch one; 318. Punch two; 319. Discharge pipe; 320. Discharge valve; 4. Feeding system. Components; 401, Support; 402, Feeding hopper; 403, Nitrogen cylinder; 404, Inflating pipe; 405, Electromagnetic flow valve I; 406, PLC controller I; 407, Electric heating plate; 408, Temperature sensor; 409, Feeding pipe; 410, Sealing cap; 411, Heating jacket; 412, Drive motor; 413, Transmission shaft; 414, Drive gear; 415, Driven gear; 416, Spiral extrusion rod; 417, Die head; 418, Discharge pipe; 419, Electromagnetic flow valve II; 5. Recovery component; 501, Recovery pump; 502, Extraction pipe; 503, Solenoid valve; 504, Recovery pipe; 505, Drain pipe; 506, Drain valve. Detailed Implementation

[0032] The present invention will be further described in detail below with reference to the accompanying drawings.

[0033] Identical parts are indicated by the same reference numerals. It should be noted that the terms "front," "rear," "left," "right," "up," and "down" used in the following description refer to directions in the accompanying drawings, while the terms "bottom surface," "top surface," "inner," and "outer" refer to directions toward or away from the geometric center of a specific part, respectively.

[0034] Reference Figure 1 As shown, a plastic protective net manufacturing equipment in a preferred embodiment of the present invention includes a recycling pool 1, a moving component 2 connected to the upper end of the recycling pool 1, a mold 3 connected inside the moving component 2, a feeding component 4 connected to the upper end of the recycling pool 1, and a recycling component 5 connected to the outside of the recycling pool 1.

[0035] Reference Figures 1-2As shown, the feeding assembly 4 includes a bracket 401, which is fixedly connected to the upper end of the recycling tank 1. A feeding bucket 402 is fixedly connected to the upper end of the bracket 401. A nitrogen cylinder 403 is placed on the upper end of the bracket 401. An inflation pipe 404 is detachably connected to the output end of the nitrogen cylinder 403 by screws. An electromagnetic flow valve 405 is fixedly connected to the outside of the inflation pipe 404. The inflation pipe 404 and the feeding bucket 402 are detachably connected by screws. A PLC controller 406 is fixedly connected to the front end of the feeding bucket 402. The PLC controller 406 is electrically connected to the electromagnetic flow valve 405.

[0036] By setting up the feeding component 4, the PLC controller is electrically connected to the drive motor 412, and the PLC controller and the drive motor 412 use two independent power supply systems. Therefore, when the drive motor 412 is powered off in an emergency, the PLC will detect the power failure of the drive motor 412 and control the opening of the electromagnetic flow valve 405, allowing the nitrogen inside the nitrogen cylinder 403 to enter the feeding tank 402 through the filling pipe 404. This allows a fixed amount of nitrogen to be filled into the feeding tank 402 to maintain the stability of the raw material properties inside the feeding tank 402.

[0037] Reference Figures 1-9 As shown, mold 3 includes a receiving pool 301. A lower mold 302 is detachably connected to the inner side of the receiving pool 301. A mesh groove 303 is opened at the upper end of the lower mold 302. A through groove 304 is opened at the outer end of the lower mold 302. Connecting pieces 305 are fixedly connected to both the front and rear ends of the lower mold 302. Connecting blocks 306 are fixedly connected to both the front and rear ends of the inner wall of the receiving pool 301. The connecting blocks 306 are located between two adjacent connecting pieces 305 on the left and right. Slots 307 are opened at both the left and right ends of the connecting blocks 306. Electromagnets 308 are fixedly connected inside the slots 307. A guide rod 309 is fixedly connected inside the connecting piece 305. A magnetic metal block 310 is movably connected to the outside of the guide rod 309. A limiting piece 311 is movably connected inside the magnetic metal block 310. The limiting piece 311 is fixedly connected to the guide rod 309. A spring 312 is movably connected to the outside of the guide rod 309. A PLC controller 313 is fixedly connected to the front end of the recycling pool 1.

[0038] By setting up mold 3, when it is necessary to change mold 3 with different mesh shapes, a suitable lower mold 302 is selected, and the connecting block 306 is placed from top to bottom between the connecting pieces 305. Then, the PLC controller 313 controls the electromagnet 308 electrically connected to it to be energized. The strong magnetic attraction of the electromagnet 308 attracts the magnetic metal block 310 along the guide rod 309 and stretches the spring 312. The elastic force of the spring 312 is less than the magnetic attraction of the electromagnet 308, allowing the magnetic metal block 310 to be inserted into the slot 307 and firmly attracted to the electromagnet 308, thus completing the installation of the lower mold 302. Conversely, when disassembling, the PLC controller 313 controls the electromagnet 308 electrically connected to it to be de-energized. The magnetic metal block 310 loses the magnetic attraction of the electromagnet 308, and the spring 312 loses its tension, thus driving the magnetic metal block 310 to return to its original position along the guide rod 309 and retract into the connecting piece 305, completing the disassembly of the lower mold 302.

[0039] Reference Figures 1-9 As shown, one end of the spring 312 is fixedly connected to the connecting piece 305, and the other end of the spring 312 is fixedly connected to the magnetic metal block 310. The magnetic metal block 310 passes through the connecting piece 305 and is movably connected to the connecting piece 305. The magnetic metal block 310 is adapted to the slot 307.

[0040] Reference Figures 1-9 As shown, the mold 3 also includes a hydraulic cylinder 314, which is fixedly connected to the upper end of the bracket 401. The output end of the hydraulic cylinder 314 is fixedly connected to an output rod 315, which passes through the bracket 401 and is slidably connected to the bracket 401. The lower end of the output rod 315 is detachably connected to an upper mold 316 by screws. The lower end of the upper mold 316 is fixedly connected to a punch 317 and a punch 318. The punch 317 is adapted to the mesh groove 303, and the punch 318 is adapted to the through groove 304.

[0041] By setting up a hydraulic cylinder 314, the hydraulic cylinder 314 drives the output rod 315 and the upper mold 316 to move up and down, so that the first punch 317 is pressed into the mesh groove 303 and the second punch 318 passes through the through groove 304, thereby extruding and molding the raw material in the mesh groove 303. The output rod 315 and the upper mold 316 are connected by screws. By removing the screws, different upper molds 316 can be replaced to make the upper mold 316 compatible with the lower mold 302.

[0042] Reference Figures 1-9 As shown, a discharge pipe 319 is fixedly connected to the left end of the receiving pool 301, and a discharge valve 320 is fixedly connected to the outside of the discharge pipe 319.

[0043] By setting up the receiving pool 301, excess raw materials that have been squeezed out can be received. By opening the discharge valve 320, these raw materials can be discharged into the recycling pool 1.

[0044] Reference Figures 1-9 As shown, the feeding assembly 4 also includes a feeding pipe 409, which is fixedly connected to the upper end of the feeding barrel 402. A sealing cap 410 is threadedly connected to the upper end of the feeding pipe 409. A heating jacket 411 is fixedly connected to the outside of the feeding barrel 402. An electric heating plate 407 is fixedly connected to the inside of the heating jacket 411. A temperature sensor 408 is fixedly embedded in the inner wall of the heating jacket 411. The temperature sensor 408 is electrically connected to the PLC controller 406. The electric heating plate 407 is electrically connected to the PLC controller 406.

[0045] By unscrewing the sealing cap 410, raw materials can be added to the feeding hopper 402 through the feeding pipe 409. The temperature sensor 408 monitors the temperature of the feeding hopper 402, and the PLC controller 406 controls the temperature of the electric heating plate 407. When the electric heating plate 407 is powered on, it heats the feeding hopper 402, melting the raw materials at high temperature and then extruding them by spiral.

[0046] Reference Figures 1-9 As shown, a drive motor 412 is fixedly connected to the upper end of the feeding barrel 402. A transmission shaft 413 is fixedly connected to the output end of the drive motor 412. The transmission shaft 413 is rotatably connected to the feeding barrel 402. A drive gear 414 is fixedly connected to the lower end of the transmission shaft 413. Driven gears 415 are meshed with both ends of the drive gear 414. A spiral extrusion rod 416 is fixedly connected to the outside of the driven gear 415. The spiral extrusion rod 416 is rotatably connected to the feeding barrel 402. A die head 417 is fixedly connected to the lower end of the feeding barrel 402. A discharge pipe 418 is fixedly connected to the lower end of the die head 417. An electromagnetic flow valve 419 is fixedly connected to the outside of the discharge pipe 418.

[0047] By setting up a drive motor 412, the drive motor 412 drives the transmission shaft 413 and the drive gear 414 to rotate, thereby driving the two driven gears 415 and the spiral extrusion rod 416 to rotate, so that the raw material can be spirally extruded. By opening the electromagnetic flow valve, the raw material can be quantitatively extruded into the mesh groove 303.

[0048] Reference Figures 1-9 As shown, the moving component 2 includes a linear motor guide rail 201, which is fixedly connected to the upper end of the recycling pool 1. A linear motor mover seat 202 is fixedly connected to the upper end of the linear motor guide rail 201. A guide seat 203 is fixedly connected to the upper end of the recycling pool 1. A guide block 204 is slidably connected to the upper end of the guide seat 203. Both the guide block 204 and the linear motor mover seat 202 are fixedly connected to the receiving pool 301.

[0049] The linear motor mover 202 drives the lower mold 302 to move left and right along the linear motor guide rail 201, so that the material can be fed and extruded in sequence.

[0050] Reference Figures 1-9 As shown, the recycling component 5 includes a recycling pump 501, which is fixedly connected to the left end of the recycling tank 1. The input end of the recycling pump 501 is fixedly connected to an extraction pipe 502. An external pipe of the extraction pipe 502 is connected to a solenoid valve 503. The extraction pipe 502 is fixedly connected to the recycling tank 1. The output end of the recycling pump 501 is fixedly connected to a recycling pipe 504. The recycling pipe 504 is detachably connected to the feeding bucket 402 by screws. The left end of the recycling tank 1 is fixedly connected to a drain pipe 505, and a drain valve 506 is fixedly connected to the outside of the drain pipe 505.

[0051] By setting up the recycling component 5, an electric heating plate 407 can also be embedded in the recycling tank 1. Opening the discharge valve 320 discharges excess raw materials into the recycling tank 1. Opening the solenoid valve 503 and the recycling pump 501 allows excess raw materials to be extracted into the feeding bucket 402 for recycling and reuse. When cleaning the recycling tank 1, closing the solenoid valve 503 and the recycling pump 501 and opening the drain valve 506 allows the waste liquid after cleaning to be discharged from the drain pipe 505.

[0052] Specific implementation process: Select a suitable lower mold 302, place the connecting block 306 from top to bottom between the connecting pieces 305, and then use PLC controller 313 to control the electromagnet 308 electrically connected to it to be energized. The strong magnetic attraction of the electromagnet 308 will attract the magnetic metal block 310 along the guide rod 309 and stretch the spring 312. The elastic force of the spring 312 is less than the magnetic attraction of the electromagnet 308, allowing the magnetic metal block 310 to be inserted into the slot 307 and firmly attracted to the electromagnet 308, thus completing the installation of the lower mold 302. Conversely, when disassembling, use PLC controller 313 to control the electromagnet 308 electrically connected to it to be de-energized. The magnetic metal block 310 loses the magnetic attraction of the electromagnet 308, and the spring 312 loses its stretching force, thus driving the magnetic metal block 310 to reset and retract into the connecting piece 305 along the guide rod 309, completing the disassembly of the lower mold 302.

[0053] By removing the screws, you can replace the upper mold 316 with a different one to make the upper mold 316 fit the lower mold 302.

[0054] Then, the linear motor mover 202 drives the lower mold 302 to the bottom of the feeding barrel 402. The sealing cover 410 is unscrewed, and the raw material can be added to the feeding barrel 402 through the feeding pipe 409. The temperature sensor 408 monitors the temperature of the feeding barrel 402. The PLC controller 406 controls the temperature of the electric heating plate 407. The electric heating plate 407 is powered on to heat the feeding barrel 402, melting the raw material at high temperature. The drive motor 412 drives the transmission shaft 413 and the drive gear 414 to rotate, thereby driving the two driven gears 415 and the spiral extrusion rod 416 to rotate, so that the raw material can be spirally extruded. The electromagnetic flow valve is opened, and the raw material can be quantitatively extruded into the mesh groove 303.

[0055] Then the linear motor mover 202 drives the lower mold 302 to come directly below the upper mold 316. Here, an infrared transmitter and an infrared receiver can be fitted and installed on the opposite end faces of the upper mold 316 and the lower mold 302, and electrically connected to the PLC controller 313, so that the upper mold 316 and the lower mold 302 can be positioned.

[0056] Then the hydraulic cylinder 314 drives the output rod 315 and the upper mold 316 to move up and down, so that the first punch 317 is pressed into the mesh groove 303 and the second punch 318 penetrates the through groove 304, thereby extruding and molding the raw material in the mesh groove 303.

[0057] The receiving tank 301 is used to receive the excess raw material that has been squeezed out. By opening the discharge valve 320, the raw material can be discharged into the recycling tank 1. The recycling tank 1 can also be equipped with an electric heating plate 407 to heat the excess raw material. Opening the discharge valve 320 discharges the excess raw material into the recycling tank 1. Opening the solenoid valve 503 and the recycling pump 501 allows the excess raw material to be drawn into the feeding bucket 402 for recycling and reuse. When cleaning the recycling tank 1, closing the solenoid valve 503 and the recycling pump 501 and opening the drain valve 506 allows the waste liquid after cleaning to be discharged from the drain pipe 505.

[0058] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A plastic screen manufacturing apparatus, characterized by: Include the recovery pool (1), the upper end of the recovery pool (1) is connected with the moving assembly (2), the inside of the moving assembly (2) is connected with the mould (3), the upper end of the recovery pool (1) is connected with the feeding assembly (4), the outside of the recovery pool (1) is connected with the recovery assembly (5); The feeding assembly (4) includes a support (401), the support (401) is fixedly connected to the upper end of the recovery pool (1), the upper end of the support (401) is fixedly connected with a feeding barrel (402), a nitrogen cylinder (403) is placed on the upper end of the support (401), the output end of the nitrogen cylinder (403) is detachably connected with an inflation tube (404) through screws, the outside of the inflation tube (404) is fixedly connected with an electromagnetic flow valve (405), the inflation tube (404) is detachably connected with the feeding barrel (402) through screws, the front end of the feeding barrel (402) is fixedly connected with a PLC controller (406), and the PLC controller (406) is electrically connected with the electromagnetic flow valve (405); The mould (3) includes a receiving pool (301), the inside of the receiving pool (301) is detachably connected with a lower mould (302), the upper end of the lower mould (302) is provided with a mesh-shaped groove (303), the outer end of the lower mould (302) is provided with a through groove (304), the front and rear ends of the lower mould (302) are fixedly connected with connecting plates (305), the front and rear ends of the inner wall of the receiving pool (301) are fixedly connected with connecting blocks (306), the connecting blocks (306) are located between the left and right adjacent connecting plates (305), the left and right ends of the connecting blocks (306) are provided with insertion grooves (307), the insertion grooves (307) are fixedly connected with electromagnets (308) inside, the connecting plates (305) are fixedly connected with guide rods (309) inside, the guide rods (309) are movably connected with magnetic metal blocks (310) outside, the magnetic metal blocks (310) are movably connected with limiting plates (311) inside, the limiting plates (311) are fixedly connected with the guide rods (309), and the guide rods (309) are movably connected with springs (312) outside.

2. The apparatus for manufacturing a plastic security screen according to claim 1, wherein: One end of the spring (312) is fixedly connected with the connecting plate (305), the other end of the spring (312) is fixedly connected with the magnetic metal block (310), the magnetic metal block (310) penetrates through the connecting plate (305) and is movably connected with the connecting plate (305), and the magnetic metal block (310) is matched with the insertion groove (307). One end of the spring (312) is fixedly connected with the connecting plate (305), the other end of the spring (312) is fixedly connected with the magnetic metal block (310), the magnetic metal block (310) penetrates through the connecting plate (305) and is movably connected with the connecting plate (305), and the magnetic metal block (310) is matched with the insertion groove (307).

3. The apparatus according to claim 1, wherein: The mold (3) further includes a hydraulic cylinder (314) fixedly connected to the upper end of the support (401), an output rod (315) fixedly connected to the output end of the hydraulic cylinder (314), the output rod (315) penetrating through the support (401) and being in sliding connection with the support (401), an upper mold (316) detachably connected to the lower end of the output rod (315) by screws, a male die one (317) fixedly connected to the lower end of the upper mold (316), and a male die two (318) fixedly connected to the lower end of the upper mold (316), the male die one (317) being adapted to the meshed groove (303), and the male die two (318) being adapted to the through groove (304).

4. The apparatus according to claim 1, wherein: The left end of the receiving pool (301) is fixedly communicated with a discharge pipe (319), and the outer portion of the discharge pipe (319) is fixedly connected with a discharge valve (320).

5. The apparatus according to claim 1, wherein: The feeding assembly (4) further includes a feeding pipe (409) fixedly communicated with the upper end of the feeding barrel (402), a sealing cover (410) threadedly connected to the upper end of the feeding pipe (409), a heating jacket (411) fixedly connected to the outer portion of the feeding barrel (402), an electric heating plate (407) fixedly connected to the inner portion of the heating jacket (411), a temperature sensor (408) fixedly embedded in the inner wall of the heating jacket (411), the temperature sensor (408) being in electrical connection with the PLC controller one (406), and the electric heating plate (407) being in electrical connection with the PLC controller one (406).

6. The apparatus according to claim 5, wherein: The upper end of the feeding barrel (402) is fixedly connected with a driving motor (412), the output end of the driving motor (412) is fixedly connected with a transmission shaft (413), the transmission shaft (413) is in rotational connection with the feeding barrel (402), the lower end of the transmission shaft (413) is fixedly connected with a driving gear (414), the left and right ends of the driving gear (414) are both in meshing connection with driven gears (415), the outer portion of the driven gears (415) is fixedly connected with a spiral extrusion rod (416), the spiral extrusion rod (416) is in rotational connection with the feeding barrel (402), the lower end of the feeding barrel (402) is fixedly communicated with a die head (417), the lower end of the die head (417) is fixedly communicated with a discharge pipe (418), and the outer portion of the discharge pipe (418) is fixedly connected with an electromagnetic flow valve two (419).

7. The apparatus according to claim 1, wherein: The moving assembly (2) includes a linear motor guide rail (201) fixedly connected to the upper end of the recovery pool (1), a linear motor moving substation (202) fixedly connected to the upper end of the linear motor guide rail (201), a guide seat (203) fixedly connected to the upper end of the recovery pool (1), and a guide block (204) in sliding connection with the upper end of the guide seat (203), the guide block (204) and the linear motor moving substation (202) being both fixedly connected with the receiving pool (301).

8. The apparatus according to claim 1, wherein: Said recovery assembly (5) includes recovery pump (501), recovery pump (501) is fixedly connected at the left end of recovery tank (1), the input end of recovery pump (501) is fixedly communicated with extraction pipe (502), the outer pipeline of extraction pipe (502) is connected with electromagnetic valve (503), extraction pipe (502) is fixedly communicated with recovery tank (1), the output end of recovery pump (501) is fixedly communicated with recovery pipe (504), recovery pipe (504) is detachably connected with feed barrel (402) by screw, the left end of recovery tank (1) is fixedly communicated with drain pipe (505), the outer fixed connection of drain pipe (505) is provided with drain valve (506).

Citation Information

Patent Citations

  • A extrusion molding equipment for producing plastic net

    CN206528034U