Fixed-distance cutting device for polyethylene water supply pipe production

Abstract

The utility model discloses a fixed-distance cutting device for polyethylene water supply pipe production, which comprises a concave machining table, a transportation cutting support, a transportation structure and an extrusion cutting structure, and relates to the technical field of polyethylene pipe production, the stability of a polyethylene pipe in the horizontal transportation process is ensured through the transportation structure on the concave machining table; through cooperative work of a lifting driving machine, a lifting gear set, a lifting threaded pipe, a lifting threaded rod and other assemblies, stable lifting of a concave lifting block and a convex lifting block is achieved, and then it is ensured that the polyethylene pipe is stably conveyed in the vertical direction; through the matched design of a pair of arc extrusion blocks and arc supporting blocks, the polyethylene pipe can be accurately extruded and limited, and the position stability and shape integrity of the polyethylene pipe in the machining process are guaranteed; and a lifting concave cutting block and a cutter which are driven by a cutting hydraulic push rod can stably limit and fix the polyethylene pipe in the cutting process, so that the cutting accuracy and quality are ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of polyethylene pipe production, in particular to a fixed-distance cutting device for polyethylene water supply pipe production. Background Technique

[0002] The polyethylene water supply pipe is a water pipe formed with polyethylene as the raw material. Polyethylene is plastic. After integral molding, the material has good impact resistance, crack resistance and aging resistance. The polyethylene pipe needs to be cut by a special cutting machine to obtain pipes of different lengths, including a polyethylene water pipe guillotine and a rotary plastic pipe cutting machine. Since the polyethylene water pipe usually has a large thickness and diameter, two people are required to jointly rotate the threaded rod to cut with the guillotine. There are various polyethylene water pipe cutting machines on the market, but there are still some disadvantages;

[0003] For example, cutting the pipe manually, the cutting operation is not smooth enough, the pipe section is easy to be uneven, and it is inconvenient to measure the cutting length, which will cause the cut pipe not to meet the requirements and is not convenient to achieve fixed-distance cutting. In view of this, in-depth research on the above problems has led to the generation of this case. Content of the Utility Model

[0004] To achieve the above purposes, the utility model is realized through the following technical solutions: a fixed-distance cutting device for polyethylene water supply pipe production, including: a concave processing table, a transportation and cutting support, a transportation structure, and an extrusion and cutting structure. The transportation and cutting support is installed on the concave processing table, the transportation structure is installed on the concave processing table, and the extrusion and cutting structure is installed on the transportation and cutting support;

[0005] The extrusion and cutting structure includes: a pair of arc support blocks, a pair of lifting threaded rods, a pair of lifting threaded tubes, a lifting driving machine, a lifting gear set, a pair of concave lifting blocks, a pair of convex lifting blocks, a number of lifting limit shafts, a number of lifting sleeve springs, a pair of arc extrusion blocks, a lifting concave cutting block, a cutter, a cutting hydraulic push rod, two pairs of lifting sliders, two pairs of lifting chutes, and a limiting component;

[0006] A pair of the arc support blocks are installed on the concave processing table. A pair of the lifting threaded pipes are respectively inserted on the transportation and cutting support through bearings. A pair of the lifting threaded rods are respectively movably inserted inside a pair of the lifting threaded pipes. The lifting gear set is installed on a pair of the lifting threaded pipes. The driving end of the lifting driving machine is connected to the lifting gear set. A pair of the concave lifting blocks are respectively installed on a pair of the lifting threaded rods. A pair of lifting grooves are respectively formed on a pair of the concave lifting blocks. A pair of the convex lifting blocks are respectively movably inserted inside two pairs of the lifting grooves. A plurality of the lifting limiting shafts are respectively movably inserted inside two pairs of the lifting grooves. And a plurality of the lifting sleeve springs are respectively sleeved on a plurality of the lifting limiting shafts. A pair of the arc extrusion blocks are respectively installed on a pair of the convex lifting blocks. The cutting hydraulic push rod is installed inside the transportation and cutting support. The lifting concave cutting block is installed on the pushing end of the cutting hydraulic push rod. Two pairs of the lifting slideways are installed inside the transportation and cutting support. Two pairs of the lifting sliders are installed on two sides of the lifting concave cutting block. And two pairs of the lifting sliders are respectively movably inserted inside two pairs of the lifting slideways. The limiting assembly is installed on the concave processing table. The cutter is installed on the lifting concave cutting block;

[0007] It should be noted that in the above, the polyethylene pipe is stably horizontally transported through the transportation structure on the concave processing table. By operating the lifting driving machine, the lifting gear set on the driving end of the lifting driving machine is driven to operate, driving a pair of the lifting threaded pipes on the lifting gear set. By the rotation of a pair of the lifting threaded pipes, the lifting threaded rods inside them are respectively driven. By the lifting of a pair of the lifting threaded rods, a pair of the concave lifting blocks on them are respectively driven to stably lift. By a pair of the concave lifting blocks respectively driving a pair of the convex lifting blocks on them to stably lift, by a pair of the convex lifting blocks respectively driving the arc extrusion blocks on them, through the cooperation of a pair of the arc extrusion blocks and a pair of the arc support blocks, through the cooperation of a pair of the arc extrusion blocks and a pair of the arc support blocks, the polyethylene pipe is squeezed and limited. By the telescopic movement of the cutting hydraulic push rod, the lifting concave cutting block on it is driven to stably lift. By the lifting concave cutting block driving the cutter on it, the polyethylene pipe is cut by the cutter. By limiting and fixing both sides of the cutting, and then through lifting cutting, the polyethylene pipe is cut. Through the cooperation of two pairs of the lifting sliders and two pairs of the lifting slideways, the lifting concave cutting block is stably lifted and limited.

[0008] Preferably, the transportation structure includes: a plurality of transportation cylindrical blocks, a plurality of transportation driving shafts, two pairs of transportation gear sets, two pairs of transportation driving machines, a plurality of convex expansion blocks, a plurality of expansion arcs, a plurality of expansion shafts and a plurality of expansion sleeve springs;

[0009] A plurality of the transportation drive shafts are inserted into the concave processing table, a plurality of the transportation cylindrical blocks are respectively installed on the plurality of the transportation drive shafts, a plurality of convex expansion grooves are respectively formed on the plurality of the transportation cylindrical blocks, a plurality of the convex expansion blocks are respectively movably inserted into the inner sides of the plurality of the convex expansion grooves, two pairs of the transportation gear sets are respectively installed on the plurality of the transportation drive shafts, the driving ends of two pairs of the transportation driving motors are respectively connected to the two pairs of the transportation gear sets, a plurality of the expansion shafts are respectively movably inserted into the inner sides of the plurality of the convex expansion grooves, a plurality of the expansion sleeve springs are respectively sleeved on the plurality of the expansion shafts, and a plurality of the expansion arcs are respectively installed on the plurality of the convex expansion blocks;

[0010] It should be noted that in the above, by the operation of two pairs of the transportation driving motors, the two pairs of the transportation gear sets thereon are respectively driven to operate. By the two pairs of the transportation gear sets, the plurality of the transportation drive shafts thereon are respectively driven to rotate. By the plurality of the transportation drive shafts, the plurality of the transportation cylindrical blocks thereon are respectively driven to rotate. By the plurality of the expansion sleeve springs on the inner sides of the plurality of the convex expansion grooves on the plurality of the transportation cylindrical blocks, the plurality of the expansion sleeve springs respectively expand and contract along the plurality of the expansion shafts. By the plurality of the expansion sleeve springs, the convex expansion blocks thereon are respectively driven. By the telescoping of the plurality of the convex expansion blocks inside the convex expansion grooves, the expansion arcs thereon are driven. By the plurality of the expansion arcs, the polyethylene pipe is squeezed, stretched and pushed, so as to achieve the active squeezing, limiting and transportation of the upper and lower ends of the polyethylene pipe.

[0011] Preferably, the limiting assembly includes: a pair of limiting lead screw modules, a pair of lifting concave blocks, a lifting limiting plate, a pair of lifting magnets, a pair of infrared distance measuring instruments and a pair of lifting electromagnets;

[0012] A pair of the limiting lead screw modules are relatively and parallelly installed inside the concave processing table, a pair of the lifting concave blocks are respectively installed on the moving ends of the pair of the limiting lead screw modules, the lifting limiting plate is movably inserted into the inner sides of the pair of the lifting concave blocks, a pair of the lifting magnets are installed on the lifting limiting plate, a pair of the lifting electromagnets are respectively installed on the pair of the lifting concave blocks, and a pair of the infrared distance measuring instruments are respectively installed on the pair of the lifting concave blocks;

[0013] It should be noted that in the above, by the operation of a pair of the limiting lead screw modules, a pair of the lifting concave blocks thereon are driven to perform transportation in the horizontal direction. By the pair of the lifting electromagnets respectively magnetically repelling or attracting the pair of the lifting magnets, the lifting limiting plate stably lifts along the inner sides of the pair of the lifting concave blocks.

[0014] Preferably, a cooling fan is arranged on the concave processing table.

[0015] Preferably, an air extraction box and an air extraction pump are arranged on the concave processing table.

[0016] Preferably, filter cotton and filter carbon are provided inside the air extraction box.

[0017] The utility model provides a fixed-distance cutting device for producing polyethylene water supply pipes, which has the following beneficial effects: The fixed-distance cutting device for producing polyethylene water supply pipes ensures the stability of the polyethylene pipe during horizontal transportation through the transportation structure on the concave processing table; the coordinated work of components such as the lifting driving machine, the lifting gear set, the lifting threaded pipe and the lifting threaded rod realizes the stable lifting of the concave lifting block and the convex lifting block, thereby ensuring the stable transportation of the polyethylene pipe in the vertical direction; the cooperative design of a pair of arc pressing blocks and arc supporting blocks can accurately press and limit the polyethylene pipe, ensuring its position stability and shape integrity during the processing; the lifting concave cutting block and the cutter driven by the cutting hydraulic push rod can stably limit and fix the polyethylene pipe during the cutting process, ensuring the accuracy and quality of the cutting; through the cooperation of two pairs of lifting sliders and lifting chutes, the stable lifting limit of the lifting concave cutting block is realized, further improving the accuracy and efficiency of the cutting; during the cutting process, the two sides of the polyethylene pipe are limited and fixed, effectively preventing offset and deformation during the cutting process and ensuring the cutting quality; the coordinated work of components such as the transportation driving machine, the transportation gear set, the transportation driving shaft and the transportation cylindrical block realizes the active pressing and pushing of the polyethylene pipe; the designs such as the convex expansion groove, the expansion sleeve spring and the convex expansion block enable the expansion arc to flexibly press, stretch and push the polyethylene pipe, meeting the processing requirements of polyethylene pipes with different specifications and shapes; the operation of a pair of limit screw modules realizes the stable transportation of the lifting concave block in the horizontal direction, ensuring the horizontal position accuracy of the polyethylene pipe during the processing; the magnetic repulsion or adsorption between the lifting electromagnet and the lifting magnet realizes the stable lifting control of the lifting limit plate, further improving the flexibility and controllability of the system. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a main sectional view schematic diagram of the fixed-distance cutting device for producing polyethylene water supply pipes described in the utility model.

[0019] Figure 2 It is a side sectional view schematic diagram of the fixed-distance cutting device for producing polyethylene water supply pipes described in the utility model.

[0020] Figure 3 is Figure 1 a partial enlarged view of "A" in

[0021] In the figure: 1. Concave processing table; 2. Transportation cutting support; 3. Arc support block; 4. Lifting threaded rod; 5. Lifting threaded tube; 6. Lifting drive motor; 7. Lifting gear set; 8. Concave lifting block; 9. Convex lifting block; 10. Lifting limit shaft; 11. Lifting sleeve spring; 12. Arc extrusion block; 13. Lifting concave cutting block; 14. Cutter; 15. Cutting hydraulic push rod; 16. Lifting slider; 17. Lifting slideway; 18. Transportation cylindrical block; 19. Transportation drive shaft; 20. Transportation gear set; 21. Transportation drive motor; 22. Convex expansion block; 23. Expansion arc; 24. Expansion shaft; 25. Expansion sleeve spring. Detailed implementation mode

[0022] 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.

[0023] Through those skilled in the art, all the electrical components in this case are connected to their adapted power sources through wires, and appropriate controllers and encoders should be selected according to the actual situation to meet the control requirements. For the specific connection and control sequence, reference should be made to the sequence of the electrical components working successively in the following working principle to complete the electrical connection. The detailed connection means are well-known techniques in the art. The following mainly introduces the working principle and process, and no further description of electrical control will be made. Embodiment

[0024] The following specifically describes the present novelty in conjunction with the attached drawings, as Figures 1-3As shown, the transportation and cutting bracket 2 is installed on the concave processing table 1, the transportation structure is installed on the concave processing table 1, and the extrusion and cutting structure is installed on the transportation and cutting bracket 2; the extrusion and cutting structure includes: a pair of arc support blocks 3, a pair of lifting threaded rods 4, a pair of lifting threaded tubes 5, a lifting drive motor 6, a lifting gear set 7, a pair of concave lifting blocks 8, a pair of convex lifting blocks 9, a plurality of lifting limit shafts 10, a plurality of lifting sleeve springs 11, a pair of arc extrusion blocks 12, a lifting concave cutting block 13, a cutter 14, a cutting hydraulic push rod 15, two pairs of lifting sliders 16, two pairs of lifting chutes 17 and a limiting component; a pair of the arc support blocks 3 are installed on the concave processing table 1, a pair of the lifting threaded tubes 5 are respectively inserted on the transportation and cutting bracket 2 through bearings, a pair of the lifting threaded rods 4 are respectively movably inserted inside a pair of the lifting threaded tubes 5, the lifting gear set 7 is installed on a pair of the lifting threaded tubes 5, the driving end of the lifting drive motor 6 is connected to the lifting gear set 7, a pair of the concave lifting blocks 8 are respectively installed on a pair of the lifting threaded rods 4, a pair of lifting grooves are respectively formed on a pair of the concave lifting blocks 8, a pair of the convex lifting blocks 9 are respectively movably inserted inside two pairs of the lifting grooves, a plurality of the lifting limit shafts 10 are respectively movably inserted inside two pairs of the lifting grooves, and a plurality of the lifting sleeve springs 11 are respectively sleeved on a plurality of the lifting limit shafts 10, a pair of the arc extrusion blocks 12 are respectively installed on a pair of the convex lifting blocks 9, the cutting hydraulic push rod 15 is installed inside the transportation and cutting bracket 2, the lifting concave cutting block 13 is installed on the pushing end of the cutting hydraulic push rod 15, two pairs of the lifting chutes 17 are installed inside the transportation and cutting bracket 2, two pairs of the lifting sliders 16 are installed on both sides of the lifting concave cutting block 13, and two pairs of the lifting sliders 16 are respectively movably inserted inside two pairs of the lifting chutes 17, the limiting component is installed on the concave processing table 1, and the cutter 14 is installed on the lifting concave cutting block 13; the transportation structure includes: a plurality of transportation cylindrical blocks 18, a plurality of transportation drive shafts 19, two pairs of transportation gear sets 20, two pairs of transportation drive motors 21, a plurality of convex expansion blocks 22, a plurality of expansion arcs 23, a plurality of expansion shafts 24 and a plurality of expansion sleeve springs 25;A plurality of the transportation drive shafts 19 are inserted into the concave machining table 1, a plurality of the transportation cylindrical blocks 18 are respectively installed on the plurality of the transportation drive shafts 19, convex expansion grooves are respectively formed in the plurality of the transportation cylindrical blocks 18, a plurality of the convex expansion blocks 22 are respectively movably inserted into the inner sides of the plurality of the convex expansion grooves, two pairs of the transportation gear sets 20 are respectively installed on the plurality of the transportation drive shafts 19, driving ends of two pairs of the transportation driving motors 21 are respectively connected to the two pairs of the transportation gear sets 20, a plurality of the expansion shafts 24 are respectively movably inserted into the inner sides of the plurality of the convex expansion grooves, a plurality of the expansion sleeve springs 25 are respectively sleeved on the plurality of the expansion shafts 24, and a plurality of the expansion arcs 23 are respectively installed on the plurality of the convex expansion blocks 22; The limiting assembly includes: a pair of limiting lead screw modules, a pair of lifting concave blocks, a lifting limiting plate, a pair of lifting magnets, a pair of infrared distance measuring instruments and a pair of lifting electromagnets; A pair of the limiting lead screw modules are relatively and parallelly installed inside the concave machining table 1, a pair of the lifting concave blocks are respectively installed on the moving ends of the pair of the limiting lead screw modules, the lifting limiting plate is movably inserted into the inner sides of the pair of the lifting concave blocks, a pair of the lifting magnets are installed on the lifting limiting plate, a pair of the lifting electromagnets are respectively installed on the pair of the lifting concave blocks, and a pair of the infrared distance measuring instruments are respectively installed on the pair of the lifting concave blocks; A cooling fan is arranged on the concave machining table 1; A suction box and a suction pump are arranged on the concave machining table 1; Filter cotton and filter carbon are arranged inside the suction box.;

[0025] According to the attached Figures 1-3It is concluded that the polyethylene pipe is stably transported horizontally through the transportation structure on the concave processing table 1. By operating the lifting drive motor 6, the lifting gear set 7 on the driving end of the lifting drive motor 6 is driven to operate, driving the pair of lifting threaded pipes 5 on the lifting gear set 7. Through the rotation of the pair of lifting threaded pipes 5, the lifting threaded rods 4 inside them are respectively driven. Through the lifting of the pair of lifting threaded rods 4, the pair of concave lifting blocks 8 on them are respectively driven to perform stable lifting. Through the pair of concave lifting blocks 8, the pair of convex lifting blocks 9 on them are respectively driven to perform stable lifting. Through the pair of convex lifting blocks 9, the arc extrusion blocks 12 on them are respectively driven. Through the cooperation of the pair of arc extrusion blocks 12 and the pair of arc support blocks 3, the polyethylene pipe is squeezed and limited. By the telescopic movement of the cutting hydraulic push rod 15, the lifting concave cutting block 13 on it is driven to perform stable lifting. Through the lifting concave cutting block 13, the cutter 14 on it is driven, and the polyethylene pipe is cut by the cutter 14. By limiting and fixing both sides of the cutting, and then through lifting cutting, the polyethylene pipe is cut. Through the cooperation of the two pairs of lifting sliders 16 and the two pairs of lifting chutes 17, the lifting concave cutting block 13 is stably lifted and limited; by operating the two pairs of transportation drive motors 21, the two pairs of transportation gear sets 20 on them are respectively driven to operate. Through the two pairs of transportation gear sets 20, the several transportation drive shafts 19 on them are respectively driven to rotate. Through the several transportation drive shafts 19, the several transportation cylindrical blocks 18 on them are respectively driven to rotate. The several expansion sleeve springs 25 inside the several convex expansion grooves on the several transportation cylindrical blocks 18 respectively expand and contract along the several expansion shafts 24. Through the several expansion sleeve springs 25, the convex expansion blocks 22 on them are respectively driven. Through the telescopic movement of the several convex expansion blocks 22 inside the convex expansion grooves, the expansion arcs 23 on them are driven, and the polyethylene pipe is squeezed, stretched, and pushed by the several expansion arcs 23, so as to achieve active squeezing, limiting, and transportation of the upper and lower ends of the polyethylene pipe; by operating a pair of limit screw modules, a pair of lifting concave blocks on them are driven to perform horizontal transportation. Through the magnetic repulsion or adsorption of a pair of lifting electromagnets on a pair of lifting magnets respectively, the lifting limit plate is stably lifted along the inside of the pair of lifting concave blocks.

[0026] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A fixed-distance cutting device for the production of polyethylene water supply pipes, comprising: Concave processing table, transportation cutting support, transportation structure, and extrusion cutting structure, characterized in that the transportation cutting support is installed on the concave processing table, the transportation structure is installed on the concave processing table, and the extrusion cutting structure is installed on the transportation cutting support; The extrusion cutting structure includes: a pair of arc support blocks, a pair of lifting threaded rods, a pair of lifting threaded tubes, a lifting drive motor, a lifting gear set, a pair of concave lifting blocks, a pair of convex lifting blocks, a number of lifting limit shafts, a number of lifting sleeve springs, a pair of arc extrusion blocks, a lifting concave cutting block, a cutter, a cutting hydraulic push rod, two pairs of lifting sliders, two pairs of lifting chutes, and a limit component; A pair of the arc support blocks are installed on the concave processing table, a pair of the lifting threaded tubes are respectively inserted on the transportation cutting support through bearings, a pair of the lifting threaded rods are respectively movably inserted inside a pair of the lifting threaded tubes, the lifting gear set is installed on a pair of the lifting threaded tubes, the driving end of the lifting drive motor is connected to the lifting gear set, a pair of the concave lifting blocks are respectively installed on a pair of the lifting threaded rods, a pair of lifting grooves are respectively formed on a pair of the concave lifting blocks, a pair of the convex lifting blocks are respectively movably inserted inside two pairs of the lifting grooves, a number of the lifting limit shafts are respectively movably inserted inside two pairs of the lifting grooves, and a number of the lifting sleeve springs are respectively sleeved on a number of the lifting limit shafts, a pair of the arc extrusion blocks are respectively installed on a pair of the convex lifting blocks, the cutting hydraulic push rod is installed inside the transportation cutting support, the lifting concave cutting block is installed on the pushing end of the cutting hydraulic push rod, two pairs of the lifting chutes are installed inside the transportation cutting support, two pairs of the lifting sliders are installed on both sides of the lifting concave cutting block, and two pairs of the lifting sliders are respectively movably inserted inside two pairs of the lifting chutes, the limit component is installed on the concave processing table, and the cutter is installed on the lifting concave cutting block.

2. The fixed-distance cutting device for polyethylene water supply pipe production according to claim 1, characterized in that, The transportation structure includes: a number of transportation cylindrical blocks, a number of transportation drive shafts, two pairs of transportation gear sets, two pairs of transportation drive motors, a number of convex expansion blocks, a number of expansion arcs, a number of expansion shafts, and a number of expansion sleeve springs; A number of the transportation drive shafts are inserted on the concave processing table, a number of the transportation cylindrical blocks are respectively installed on a number of the transportation drive shafts, a number of convex expansion grooves are respectively formed on a number of the transportation cylindrical blocks, a number of the convex expansion blocks are respectively movably inserted inside a number of the convex expansion grooves, two pairs of the transportation gear sets are respectively installed on a number of the transportation drive shafts, the driving ends of two pairs of the transportation drive motors are respectively connected to two pairs of the transportation gear sets, a number of the expansion shafts are respectively movably inserted inside a number of the convex expansion grooves, a number of the expansion sleeve springs are respectively sleeved on a number of the expansion shafts, and a number of the expansion arcs are respectively installed on a number of the convex expansion blocks.

3. The fixed-distance cutting device for producing polyethylene water supply pipes according to claim 2, wherein, The limiting component includes: a pair of limiting lead screw modules, a pair of lifting concave blocks, a lifting limiting plate, a pair of lifting magnets, a pair of infrared rangefinders, and a pair of lifting electromagnets; A pair of the limiting lead screw modules are relatively and parallelly installed inside the concave machining table, a pair of the lifting concave blocks are respectively installed on the moving ends of a pair of the limiting lead screw modules, the lifting limiting plate is movably inserted inside a pair of the lifting concave blocks, a pair of the lifting magnets are installed on the lifting limiting plate, a pair of the lifting electromagnets are respectively installed on a pair of the lifting concave blocks, and a pair of the infrared rangefinders are respectively installed on a pair of the lifting concave blocks.

4. The fixed-distance cutting device for producing polyethylene water supply pipes according to claim 3, characterized in that, A cooling fan is arranged on the concave machining table.

5. The fixed-distance cutting device for polyethylene water supply pipe production according to claim 4, characterized in that, An air extraction box and an air extraction pump are arranged on the concave machining table.

6. The fixed-distance cutting device for producing polyethylene water supply pipes according to claim 5, characterized in that, Filter cotton and filter carbon are arranged inside the air extraction box.

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