A device for PE pipe production equipment

Abstract

The present invention discloses a production device for PE pipes, belonging to the technical field of PE pipe production. It includes a cooling box and a water collection tank located below the cooling box. Circular through holes are provided on both side walls of the cooling box. A spraying mechanism and a water absorption mechanism are arranged inside the cooling box. The water absorption mechanism includes an annular water absorption sponge sleeved outside the PE pipe. The cross-section of the water collection tank is a circular structure. An inlet hopper is connected between the cooling box and the water collection tank. A drain pipe is connected to the bottom of the water collection tank. A rotating shaft is rotatably installed inside the water collection tank. Multiple water baffle plates are uniformly arranged along the circumferential direction on the side wall of the rotating shaft. The present invention not only effectively reduces the waste of heat energy, but also improves the workshop environment, avoids the influence of water droplets on subsequent processing processes, and at the same time improves production efficiency, achieving a double improvement in environmental protection and economic benefits.

Description

Technical Field

[0001] The invention relates to the technical field of PE pipe production, and in particular to a device for producing PE pipes. Background Art

[0002] PE pipe is polyethylene pipe, which is used in a wide range of fields. Water pipes and gas pipes are its two largest application markets. The production process of PE pipe includes mixing and drying, plasticizing and extrusion, mold forming, refrigeration and shaping, cutting and packaging. Among them, refrigeration and shaping is a more important step in PE pipe production, which determines the quality of the product.

[0003] At present, cold water cooling is generally used to quickly cool down PE pipes to achieve solidification and ensure dimensional stability. In the existing technology, the hot water generated after spray cooling is directly discharged, and the heat energy therein is wasted. In addition, a large number of water droplets will remain on the surface of the cooled PE pipe. These water droplets enter the subsequent process with the PE pipe, which not only affects the workshop environment, but also the manual handling will affect the subsequent processing progress. Summary of the invention

[0004] The purpose of the present invention is to provide a PE pipe production device to solve the following technical problems: the hot water generated after spray cooling is directly discharged, the heat energy therein is wasted, and a large number of water droplets will remain on the surface of the cooled PE pipe. These water droplets enter the subsequent process with the PE pipe, which not only affects the workshop environment, but also affects the subsequent processing progress due to manual handling.

[0005] The purpose of the present invention can be achieved through the following technical solutions:

[0006] A PE pipe production device comprises a cooling box and a water collecting box located below the cooling box, circular through holes are opened on both side walls of the cooling box, a spray mechanism and a water absorbing mechanism are arranged in the cooling box, and the water absorbing mechanism comprises an annular water absorbing sponge sleeved on the outside of the PE pipe;

[0007] The cross section of the water collecting box is a circular structure, a water inlet bucket is connected between the cooling box and the water collecting box, a drain pipe is connected to the bottom of the water collecting box, a rotating shaft is rotatably installed in the water collecting box, a plurality of water baffles are evenly arranged on the side wall of the rotating shaft along the circumferential direction, a groove is opened on one side of the water collecting box, a baffle rod is movably arranged in the groove, an arc-shaped baffle bar is fixed to one end of the baffle rod, the baffle bar matches the size of the groove, a baffle block is fixed to the other end of the baffle rod, and a first spring is connected between the baffle block and the water collecting box;

[0008] Material storage boxes are arranged on both side walls of the water collecting box.

[0009] As a further solution of the present invention: the spray mechanism includes a four-way pipe fixed in the cooling box, one end of the four-way pipe is connected to an external water source, and the other three ends are connected to water outlet pipes, one end of the water outlet pipe is connected to a spray pipe, and a plurality of nozzles are evenly installed on the side of the spray pipe facing the PE pipe.

[0010] As a further solution of the present invention: the water absorption mechanism includes two fixing rods fixed to the top wall of the cooling box, the bottoms of the two fixing rods are provided with fixing rings, and the water absorption sponge is arranged between the two fixing rings.

[0011] As a further solution of the present invention: movable rods are movably provided on both side walls of the cooling box, and a first extrusion plate is fixed to the adjacent ends of the two movable rods. Both ends of the rotating shaft extend to the outside of the water collecting box, and transmission mechanisms are respectively provided between the two ends of the rotating shaft and the two movable rods for realizing regular extrusion of the water-absorbing sponge.

[0012] As a further solution of the present invention: the transmission mechanism includes two rotating rings, the two rotating rings are respectively fixed at two ends of the rotating shaft, the side walls of the rotating rings are evenly provided with multiple gear tooth groups along the circumferential direction, each of the gear tooth groups includes multiple gear teeth, the transmission mechanism also includes two driven blocks, the two driven blocks are respectively fixed at one end of two movable rods away from each other, a second spring is connected between the driven block and the side wall of the cooling box, mounting rods are fixed on both side walls of the cooling box, a collar is fixed at one end of the mounting rod, a lifting rod is movably sleeved on the collar, an active block is fixed on the top of the lifting rod facing the side of the driven block, a rack is provided on the bottom of the lifting rod facing the side of the rotating ring, the rack is meshed with the gear tooth group, and a third spring is connected between the active block and the collar.

[0013] As a further solution of the present invention: the driven block is in contact with the active block, and the cross-sections of the driven block and the active block are both semicircular structures.

[0014] As a further solution of the present invention: it also includes two second extrusion plates, the two second extrusion plates are respectively located above and below the water-absorbing sponge, and the first mounting frames are symmetrically arranged on the side walls of the two second extrusion plates that are away from each other, a connecting rod is rotatably mounted on the first mounting frame, a second mounting frame is rotatably mounted on one end of the connecting rod, an L-shaped rod is connected to the second mounting frame, and one end of the L-shaped rod is fixedly connected to the movable rod.

[0015] As a further solution of the present invention: the first extrusion plate and the second extrusion plate are both arc-shaped structures, and a plurality of water holes are provided on the second extrusion plate located at the bottom and the two first extrusion plates.

[0016] Beneficial effects of the present invention:

[0017] (1) The present invention uses a spray mechanism in a cooling box to quickly cool the PE pipe. The generated hot water flows into the water collection tank through a water inlet hopper. The water absorption mechanism is used to remove water droplets on the surface of the PE pipe. A plurality of water baffles are arranged inside the water collection tank. The water baffles are shielded by baffle bars. When the hot water falling on the water baffles reaches a certain weight, the water baffles automatically flip to discharge the hot water. This arrangement is to extend the residence time of the hot water in the water collection tank. When the raw materials required for PE pipe production are added to the storage box, the raw materials can be fully preheated by using heat energy. This not only effectively reduces the waste of heat energy, but also improves the workshop environment, avoids the influence of water droplets on subsequent processing technology, and also improves production efficiency, achieving a dual improvement in environmental protection and economic benefits.

[0018] (2) The present invention provides two first squeezing plates and a transmission mechanism, and utilizes the periodic rotation of the rotating shaft to achieve periodic squeezing of the water-absorbing sponge, thereby discharging the water absorbed by the water-absorbing sponge, thereby achieving long-term and effective removal of water droplets on the PE pipe;

[0019] (3) The present invention provides two second squeezing plates to squeeze the water-absorbing sponge from four directions at the same time, thereby improving the squeezing effect, keeping the water-absorbing sponge in a relatively dry state, and ensuring the water absorption effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The present invention will be further described below in conjunction with the accompanying drawings.

[0021] Figure 1 It is a schematic diagram of the structure of the present invention;

[0022] Figure 2 It is a schematic diagram of the internal structure of the cooling box of the present invention;

[0023] Figure 3 It is a structural schematic diagram of the spraying mechanism and the water absorbing mechanism of the present invention;

[0024] Figure 4 It is a schematic diagram of the internal structure of the water collecting tank of the present invention;

[0025] Figure 5 yes Figure 1 The enlarged view of point A in the middle;

[0026] Figure 6 yes Figure 4 The enlarged view of point B in the middle;

[0027] Figure 7 It is a structural schematic diagram of the transmission mechanism and the first extrusion plate of the present invention.

[0028] In the figure: 1, cooling box; 2, water collecting box; 3, storage box; 4, spray mechanism; 401, four-way pipe; 402, water outlet pipe; 403, spray pipe; 404, nozzle; 5, water absorption mechanism; 501, fixed rod; 502, fixed ring; 503, water absorption sponge; 6, water inlet bucket; 7, drain pipe; 8, rotating shaft; 9, water baffle; 10, baffle rod; 11, baffle block; 12, first spring; 13, baffle bar; 14, rotating ring; 15, gear set; 16, mounting rod; 17, collar; 18, lifting rod; 19, rack; 20, active block; 21, movable rod; 22, first extrusion plate; 23, driven block; 24, second spring; 25, second extrusion plate; 26, first mounting frame; 27, L-shaped rod; 28, second mounting frame; 29, connecting rod; 30, third spring.

[0029] The drawings are only used for illustrative purposes and are not to be construed as limitations of the present invention. To better illustrate the present embodiment, some parts of the drawings may be omitted, enlarged, or reduced in size, and do not represent the size and shape of actual products. For those skilled in the art, it is understandable that some well-known structures and their descriptions may be omitted in the drawings. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] See also Figures 1 to 6As shown, the present invention is a PE pipe production device, comprising a cooling box 1 and a water collecting box 2 located below the cooling box 1, circular through holes are provided on both side walls of the cooling box 1, a spray mechanism 4 and a water absorbing mechanism 5 are provided in the cooling box 1, the water absorbing mechanism 5 comprises a ring-shaped water absorbing sponge 503 sleeved on the outside of the PE pipe; the cross section of the water collecting box 2 is a circular structure, a water inlet bucket 6 is connected between the cooling box 1 and the water collecting box 2, a drainage pipe 7 is connected to the bottom of the water collecting box 2, a rotating shaft 8 is rotatably installed in the water collecting box 2, a plurality of water baffles 9 are evenly provided on the side wall of the rotating shaft 8 along the circumferential direction, a groove is provided on one side of the water collecting box 2, a baffle rod 10 is movably provided in the groove, an arc-shaped baffle bar 13 is fixed to one end of the baffle rod 10, the baffle bar 13 matches the size of the groove, a baffle block 11 is fixed to the other end of the baffle rod 10, and a first spring 12 is connected between the baffle block 11 and the water collecting box 2; A storage box 3 is provided; the spray mechanism 4 in the cooling box 1 quickly cools down the PE pipe, and the absorbent sponge 503 is used to remove water droplets on the surface of the PE pipe. The generated hot water flows into the water collecting box 2 through the water inlet hopper 6. A plurality of water baffles 9 are provided inside the water collecting box 2, and the water baffles 9 are shielded by the baffle bars 13. When the hot water falling on the water baffles 9 reaches a certain weight, the baffle bars 13 are squeezed into the groove, and the water baffles 9 automatically flip over to discharge the hot water, and the baffle bars 13 automatically reset to block the next water baffle 9. This arrangement is to extend the residence time of hot water in the water collecting box 2, and add the raw materials required for PE pipe production in the storage box 3. The water collecting box 2 and the storage box 3 are both made of heat-conducting materials, so that the heat energy can be used to fully preheat the raw materials, effectively reducing the waste of heat energy. It is worth noting that, in this embodiment, there are six water baffles 9, and the specific number can be adjusted according to actual conditions.

[0032] See also Figure 2 and Figure 3 The spray mechanism 4 includes a four-way pipe 401 fixed in the cooling box 1, one end of the four-way pipe 401 is connected to an external water source, and the other three ends are connected to water outlet pipes 402, one end of the water outlet pipe 402 is connected to a spray pipe 403, and a plurality of nozzles 404 are evenly installed on the side of the spray pipe 403 facing the PE pipe. The external water source sends cold water into the four-way pipe 401, and then sends it into the spray pipe 403 through three water outlet pipes 402, and then sprays it out through the nozzles 404, so as to fully cool and shape the PE pipe.

[0033] See also Figure 2 and Figure 3 The water absorption mechanism 5 includes two fixing rods 501 fixed to the top wall of the cooling box 1 , and the bottoms of the two fixing rods 501 are both provided with fixing rings 502 , and the water absorption sponge 503 is arranged between the two fixing rings 502 .

[0034] See also Figure 1 , Figure 2 and Figure 7, movable rods 21 are movably arranged on both side walls of the cooling box 1, and the first extrusion plates 22 are fixed to the ends of the two movable rods 21 that are close to each other. The two ends of the rotating shaft 8 extend to the outside of the water collecting box 2, and transmission mechanisms are respectively arranged between the two ends of the rotating shaft 8 and the two movable rods 21, which are used to realize the regular extrusion of the water-absorbing sponge 503. The transmission mechanism includes two rotating rings 14, which are respectively fixed to the two ends of the rotating shaft 8. The side walls of the rotating rings 14 are evenly arranged with a plurality of gear tooth groups 15 along the circumferential direction, and each gear tooth group 15 includes a plurality of gear teeth. The transmission mechanism The structure also includes two driven blocks 23, which are respectively fixed at the ends of the two movable rods 21 that are far away from each other. A second spring 24 is connected between the driven block 23 and the side wall of the cooling box 1. A mounting rod 16 is fixed to both side walls of the cooling box 1. A collar 17 is fixed to one end of the mounting rod 16. A lifting rod 18 is movably sleeved on the collar 17. An active block 20 is fixed to the top of the lifting rod 18 facing the side of the driven block 23. A rack 19 is provided on the bottom of the lifting rod 18 facing the side of the rotating ring 14. The rack 19 is meshed with the gear set 15. The active block 20 is meshed with the collar 17 is connected with a third spring 30; the driven block 23 contacts the active block 20, and the cross-sections of the driven block 23 and the active block 20 are both semicircular structures; the rotating shaft 8 rotates together with the water baffle 9, thereby driving the rotating ring 14 to rotate, and the gear set 15 on the rotating ring 14 is engaged with the rack 19 on the lifting rod 18, so that the lifting rod 18 moves downward, and the lifting rod 18 drives the active block 20 to move downward, and the active block 20 squeezes the driven block 23, so that the movable rod 21 moves toward the direction of the water-absorbing sponge 503, squeezing the water-absorbing sponge 503, and squeezing the water-absorbing sponge 503 out. When the gear set 15 is separated from the rack 19, the lifting rod 18 is automatically reset under the action of the third spring 30, and the movable rod 21 is also automatically reset under the action of the second spring 24. When the gear set 15 is meshed with the rack 19 again next time, the second squeezing can be performed, thereby realizing the function of regularly squeezing and removing water from the water-absorbing sponge 503. In this embodiment, three groups of gear groups 15 are provided, that is, when the rotating shaft 8 rotates 120°, the water-absorbing sponge 503 can be squeezed once. According to the specific water absorption situation, the number of gear groups 15 can be adjusted.

[0035] See also Figure 7 , and also includes two second squeezing plates 25, which are respectively located above and below the water-absorbing sponge 503. First mounting frames 26 are symmetrically arranged on the side walls away from each other of the two second squeezing plates 25. A connecting rod 29 is rotatably mounted on the first mounting frame 26, and a second mounting frame 28 is rotatably mounted on one end of the connecting rod 29. An L-shaped rod 27 is connected to the second mounting frame 28, and one end of the L-shaped rod 27 is fixedly connected to the movable rod 21. The first squeezing plate 22 and the second squeezing plate 25 are both arc-shaped structures, and a plurality of water holes are opened on the second squeezing plate 25 located below and the two first squeezing plates 22.

[0036] The working principle of the present invention is as follows: the extruded PE tube enters the cooling box 1 through the circular through hole, the PE tube first passes under the spray mechanism 4, the external water source sends cold water into the cross pipe 401, and then sends it into the spray pipe 403 through three outlet pipes 402, and then sprays it out through the nozzle 404, so as to fully cool and shape the PE tube, and then the PE tube passes through the water-absorbing sponge 503, the water-absorbing sponge 503 removes the water drops on the surface of the PE tube, and finally the PE tube is sent out from the circular through hole on the other side and enters the next process;

[0037] A certain amount of raw materials are placed in the storage box 3, and the hot water generated after spraying flows into the water collecting box 2 through the water inlet hopper 6. A plurality of water baffles 9 are arranged inside the water collecting box 2, and the water baffles 9 are shielded by the baffle bars 13 (such as Figure 4 As shown), when the hot water falling on the water baffle 9 reaches a certain weight, the baffle 13 is squeezed into the groove, and the water baffle 9 automatically flips over, so that the hot water is discharged and collected through the drain pipe 7. When the water baffle 9 is separated from the baffle 13, the baffle 13 automatically resets under the action of the first spring 12 to block the next water baffle 9. This setting is to extend the residence time of the hot water in the water collecting tank 2. The water collecting tank 2 and the storage box 3 are both made of heat-conducting materials, which can absorb the heat energy in the hot water and preheat the raw materials, effectively reducing the waste of heat energy and facilitating the production of PE pipes.

[0038] The rotating shaft 8 rotates together with the water retaining plate 9, thereby driving the rotating ring 14 to rotate, and the gear set 15 on the rotating ring 14 meshes with the rack 19 on the lifting rod 18, so that the lifting rod 18 moves downward, and the lifting rod 18 drives the active block 20 to move downward, and the active block 20 squeezes the driven block 23, so that the movable rod 21 moves in the direction of the water-absorbing sponge 503, and the first squeezing plate 22 is used to squeeze the water-absorbing sponge 503 to squeeze out the water of the water-absorbing sponge 503. When the two first squeezing plates 22 are close to each other, the two second squeezing plates 25 can also be driven to approach each other to fully squeeze the water-absorbing sponge 503. When the gear set 15 is separated from the rack 19, under the action of the third spring 30, the lifting rod 18 is automatically reset, and under the action of the second spring 24, the movable rod 21 is also automatically reset. When the gear set 15 meshes with the rack 19 again next time, the second squeezing can be performed, thereby realizing the function of squeezing and removing water from the water-absorbing sponge 503 on a regular basis.

[0039] The above is a detailed description of an embodiment of the present invention, but the content is only a preferred embodiment of the present invention and cannot be considered to limit the scope of implementation of the present invention. All equivalent changes and improvements made within the scope of the present invention should still fall within the scope of the patent coverage of the present invention.

Claims

1. A PE pipe production device, comprising a cooling box (1) and a water collecting box (2) located below the cooling box (1), wherein circular through holes are provided on both side walls of the cooling box (1), characterized in that: The cooling box (1) is provided with a spray mechanism (4) and a water absorption mechanism (5), wherein the water absorption mechanism (5) comprises an annular water absorption sponge (503) sleeved on the outside of the PE pipe; The cross-section of the water collecting box (2) is a circular structure. A water inlet bucket (6) is connected between the cooling box (1) and the water collecting box (2). A drainage pipe (7) is connected to the bottom of the water collecting box (2). A rotating shaft (8) is rotatably installed in the water collecting box (2). A plurality of water baffles (9) are evenly arranged on the side wall of the rotating shaft (8) along the circumferential direction. A groove is provided on one side of the water collecting box (2). A baffle rod (10) is movably arranged in the groove. An arc-shaped baffle bar (13) is fixed to one end of the baffle rod (10). The baffle bar (13) matches the size of the groove. A baffle block (11) is fixed to the other end of the baffle rod (10). A first spring (12) is connected between the baffle block (11) and the water collecting box (2). Material storage boxes (3) are provided on both side walls of the water collecting box (2); Movable rods (21) are movably provided on both side walls of the cooling box (1), and first squeezing plates (22) are fixed to the adjacent ends of the two movable rods (21). Both ends of the rotating shaft (8) extend to the outside of the water collecting box (2), and transmission mechanisms are respectively provided between the two ends of the rotating shaft (8) and the two movable rods (21) for achieving regular squeezing of the water-absorbing sponge (503); The transmission mechanism comprises two rotating rings (14), the two rotating rings (14) are respectively fixed at two ends of the rotating shaft (8), the side walls of the rotating rings (14) are evenly provided with a plurality of gear tooth groups (15) along the circumferential direction, each of the gear tooth groups (15) comprises a plurality of gear teeth, the transmission mechanism also comprises two driven blocks (23), the two driven blocks (23) are respectively fixed at ends of two movable rods (21) which are away from each other, a second spring (24) is connected between the driven blocks (23) and the side walls of the cooling box (1), the cooling box (1) is provided with a plurality of gear teeth, and the driven blocks (23) are provided with a plurality of gear teeth. A mounting rod (16) is fixed to both side walls of the cooling box (1), a collar (17) is fixed to one end of the mounting rod (16), a lifting rod (18) is movably sleeved on the collar (17), an active block (20) is fixed to the top of the lifting rod (18) on the side facing the driven block (23), a rack (19) is provided on the bottom of the lifting rod (18) on the side facing the rotating ring (14), the rack (19) is meshed with the gear set (15), and a third spring (30) is connected between the active block (20) and the collar (17); The driven block (23) is in contact with the active block (20), and the cross-sections of the driven block (23) and the active block (20) are both semicircular structures.

2. A PE pipe production device according to claim 1, characterized in that: The spray mechanism (4) comprises a four-way pipe (401) fixed in the cooling box (1), one end of the four-way pipe (401) is connected to an external water source, and the other three ends are connected to a water outlet pipe (402), one end of the water outlet pipe (402) is connected to a spray pipe (403), and a plurality of spray heads (404) are evenly installed on one side of the spray pipe (403) facing the PE pipe.

3. The PE pipe production device according to claim 1, characterized in that: The water absorption mechanism (5) comprises two fixing rods (501) fixed to the top wall of the cooling box (1), fixing rings (502) are arranged at the bottom of the two fixing rods (501), and the water absorption sponge (503) is arranged between the two fixing rings (502).

4. The PE pipe production device according to claim 1, characterized in that: The device further comprises two second extrusion plates (25), the two second extrusion plates (25) being respectively located above and below the water-absorbing sponge (503), and first mounting frames (26) being symmetrically arranged on the side walls of the two second extrusion plates (25) which are separated from each other, a connecting rod (29) being rotatably mounted on the first mounting frame (26), a second mounting frame (28) being rotatably mounted on one end of the connecting rod (29), an L-shaped rod (27) being connected to the second mounting frame (28), and one end of the L-shaped rod (27) being fixedly connected to the movable rod (21).

5. The PE pipe production device according to claim 4, characterized in that: The first extrusion plate (22) and the second extrusion plate (25) are both arc-shaped structures, and a plurality of water holes are provided on the second extrusion plate (25) located at the bottom and the two first extrusion plates (22).

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