Vacuum cooling water tank

By introducing an auxiliary spraying and dispersing mechanism into the vacuum cooling water tank, the movement of the nozzles and the diffusion of water mist are realized, which solves the problem of uneven cooling water distribution caused by fixed nozzles and improves the uniformity and quality of pipe cooling.

CN121105364AInactive Publication Date: 2025-12-12NINGBO OPR OFFSHORE ENG EQUIP CO LTD
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Patent Information

Application Number
CN202511654138.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-11-12
Publication Date
2025-12-12
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

The nozzles in existing vacuum cooling water tanks are fixed and cannot be moved, resulting in uneven distribution of cooling water and affecting the quality of the pipes.

Method used

An auxiliary spraying mechanism and an auxiliary dispersing mechanism are adopted. Through the cooperation of the moving nozzle and the dispersing plate, the reciprocating movement of the nozzle and the diffusion of water mist are realized, thereby improving the contact range and uniformity between the cooling water and the pipe.

Benefits of technology

It improves the uniformity of cooling of plastic pipes, reduces deformation caused by uneven cooling, and improves the quality of pipe production.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses a vacuum cooling water tank, and relates to the field of plastic pipe production, the vacuum cooling water tank comprises a cold water tank, a plurality of cooling water pipes are installed in the cold water tank, a plurality of nozzles are arranged on the cooling water pipes, an auxiliary spraying mechanism is arranged between the nozzles and the cooling water pipes, and an auxiliary scattering mechanism is arranged on one side of each nozzle. When the spray head sprays water, the auxiliary spraying mechanism is utilized to drive the spray head, the spray head reciprocates on the auxiliary spraying mechanism, the spray head can spray water on the pipe more uniformly, and when the auxiliary spraying mechanism drives the spray head to move back and forth, the spray head drives the auxiliary scattering mechanism, and the auxiliary scattering mechanism further scatters the water sprayed by the spray head. Therefore, the spraying range of the spray head can be widened, the contact range of cooling water and the pipe is widened, the pipe cooling uniformity is further improved, the possibility of deformation of the pipe due to non-uniform cooling is reduced, and the pipe production quality is improved.
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Description

TECHNICAL FIELD

[0001] The present application relates to the field of plastic pipe production, and particularly relates to a vacuum cooling water tank. BACKGROUND

[0002] The production of plastic pipes generally adopts an extrusion molding process, in which a thermoplastic material such as PVC or PE is heated to a molten state and formed into a tubular parison through an extruder head. In this process, the high-temperature pipe parison needs to be rapidly cooled and solidified to be shaped, and the uniformity of cooling directly affects the roundness, dimensional stability and mechanical properties of the pipe. If the cooling is not uniform, residual stress will be concentrated, which will cause the pipe to be deformed or cracked, and the rejection rate of finished products will be increased.

[0003] To solve the above problems, the industry generally uses a vacuum cooling box to cool the molded pipe. The existing vacuum cooling water tank comprises a sealed water tank, a circulating spraying system and a vacuum pump. The working principle is to reduce the boiling point of water through a negative pressure environment to accelerate the evaporation and heat absorption of the water film on the surface of the pipe. The cooling water pipe is fixed to the inner wall of the tank, the spray head sprays cooling water to the pipe at a fixed angle, the vacuum pump maintains the negative pressure in the tank, and the phase change cooling efficiency of the water mist is enhanced.

[0004] The spray head in the existing cooling box for plastic molding is generally fixed to the inner wall of the cooling box or the water conveying pipe. The spray head itself cannot move during work, and the entire cooling process relies on the fixed spray head array. The spraying coverage range is limited by the installation position, which may cause significant differences in the distribution of cooling water on the surface of the pipe, induce heat stress concentration, and affect the quality of the pipe. SUMMARY

[0005] The present application aims to solve the problem that the spray head itself cannot move during work, the entire cooling process relies on the fixed spray head array, the spraying coverage range is limited by the installation position, which may cause significant differences in the distribution of cooling water on the surface of the pipe, induce heat stress concentration, and affect the quality of the pipe. The present application provides a vacuum cooling water tank.

[0006] The present application specifically adopts the following technical solutions to achieve the above-mentioned purposes: Vacuum cooling water tank, including cold water tank, two symmetrical support legs are fixed at the bottom of the cold water tank, a plurality of cooling water pipes are installed in the cold water tank, a plurality of cooling water pipes are distributed in a circle and are communicated with each other, a plurality of spray heads are arranged on the cooling water pipes, an auxiliary spraying mechanism is arranged between the spray heads and the cooling water pipes, an auxiliary scattering mechanism is arranged on one side of the spray head, a controller is fixed on the cold water tank, a circulating water tank is installed at the bottom of the cold water tank, a circulating water pump is installed on one side of the circulating water tank, the circulating water pump is communicated with the cooling water pipes and the circulating water tank, a vacuum pump is installed at the bottom of the cold water tank, the vacuum pump is communicated with the cold water tank, traction openings are formed at both ends of the cold water tank, two symmetrical operation openings are formed on the cold water tank, two symmetrical glass cover plates are rotatably connected to the cold water tank, and the glass cover plates correspond to the operation openings.

[0007] By adopting the above technical scheme, the spray head is driven by the auxiliary spraying mechanism to move back and forth on the auxiliary spraying mechanism while spraying water, so that the spray head can spray water more uniformly on the pipe, the auxiliary scattering mechanism is driven by the spray head to move back and forth at the water spraying end of the spray head while the spray head is driven by the auxiliary spraying mechanism to move back and forth, the water sprayed by the spray head is further scattered by the auxiliary scattering mechanism, so that the spraying range of the spray head is improved, the contact range of the cooling water and the pipe is improved, the uniformity of pipe cooling is further improved, the possibility of pipe deformation due to uneven cooling is reduced, and the quality of pipe production is improved.

[0008] Further, the auxiliary spraying mechanism includes a spraying frame arranged on the spray head, the spraying frame is fixedly connected with the inner wall of the cold water tank, a moving rail is fixed on the spraying frame, the moving rail is in an arc shape, a moving block is slidably connected with the moving rail, the moving block is fixedly connected with the spray head, a driving assembly is arranged between the moving block and the spraying frame, a connecting assembly is arranged on the moving block, a connecting hose is fixed on one side of the spray head, and the two ends of the connecting hose are communicated with the cooling water pipe and the spray head respectively.

[0009] By adopting the above technical scheme, in the process of spraying cooling water by the spray head, the connecting assembly is driven by the driving assembly, the moving block is driven by the connecting assembly to move on the moving rail, the spray head is driven by the moving block to move back and forth on the spraying frame, so that the spraying range of the spray head is improved, the contact range of the cooling water and the pipe is improved, the uniformity of pipe cooling is further improved, the possibility of pipe deformation due to uneven cooling is reduced, and the quality of pipe production is improved.

[0010] Further, the driving assembly includes a reciprocating threaded rod rotatably connected to the spraying frame, and a reciprocating block is threadedly connected to the reciprocating threaded rod.

[0011] By adopting the above technical scheme, the reciprocating block moves reciprocatingly when the reciprocating threaded rod rotates, so that the reciprocating block drives the moving block to move reciprocatingly on the moving rail.

[0012] Further, one end of the spraying frame is rotationally connected with a worm wheel, one end of the reciprocating threaded rod penetrates through the spraying frame and is fixedly connected with the worm wheel, and one side of the worm wheel is meshingly connected with a worm.

[0013] By adopting the above technical scheme, the worm drives the worm wheel to rotate on the spraying frame, and the worm wheel drives the reciprocating threaded rod to rotate when rotating, so that the reciprocating threaded rod can be conveniently rotated on the spraying frame.

[0014] Further, the inside of the cold water tank is rotationally connected with a plurality of synchronously driving rods distributed in a circle, the synchronously driving rods are fixedly connected with the plurality of worms, one end of the cold water tank is fixedly provided with a synchronous motor, and the output end of the synchronous motor penetrates through the cold water tank and is fixedly connected with the synchronously driving rods.

[0015] By adopting the above technical scheme, the synchronous motor drives the synchronously driving rods to rotate, and the synchronously driving rods drive the plurality of worms to rotate simultaneously when rotating, so that the reciprocating threaded rods on the spraying frames distributed along the synchronously driving rods can be simultaneously driven to rotate.

[0016] Further, the connecting assembly comprises a connecting rod one fixed on the reciprocating block, a connecting rod two slidingly connected on the connecting rod one, and one end of the connecting rod two close to the moving block rotationally connected with the moving block.

[0017] By adopting the above technical scheme, the connecting rod one and the connecting rod two are used to connect the moving block and the reciprocating block, and the connecting rod two slides on the connecting rod one, so that when the angle and distance of the moving block on the moving rail change, the reciprocating block can still drive the moving block to move.

[0018] Further, the auxiliary scattering mechanism comprises a scattering plate arranged on the spray head, one end of the scattering plate is fixedly provided with a supporting rod, one side of the spray head is fixedly provided with a supporting frame, the middle part of the supporting rod is rotationally connected with the supporting frame, reset spring sheets are arranged between the two sides of the supporting rod and the supporting frame, the reset spring sheets are V-shaped, the two ends of the reset spring sheets are fixedly connected with the supporting rod and the supporting frame, and a poking assembly is arranged between the end of the supporting rod away from the scattering plate and the spraying frame.

[0019] By adopting the above technical scheme, the scattering plate reciprocatingly moves in front of the spray head under the support of the supporting rod, so that the cooling water sprayed by the spray head can be further diffused, and the uniformity of the pipe cooling is further improved.

[0020] Further, the dialing assembly comprises a dialing rack fixed on one side of the spraying frame, the dialing rack is arc-shaped, and one end of the supporting rod close to the dialing rack is fixed with a dialing plate.

[0021] By adopting the above technical scheme, the dialing plate moves along the teeth of the dialing rack, so that the supporting plate can be conveniently shaken on the supporting frame, and the supporting plate drives the scattering plate to shake on the nozzle.

[0022] To sum up, the present application has at least one of the following beneficial effects: 1. In the process of moving the pipe in the cold water tank, the synchronous motor is started, the synchronous motor drives the synchronous drive rod to rotate, the synchronous drive rod drives the plurality of worms to rotate at the same time, the worm drives the corresponding worm gear to rotate, the worm gear drives the corresponding reciprocating screw rod to rotate, the reciprocating screw rod drives the reciprocating block on the spraying frame to move along the reciprocating screw rod, the reciprocating block moves back and forth under the limitation of the spraying frame, the reciprocating block drives the connecting rod I, the connecting rod I drives the connecting rod II, the connecting rod II drives the moving block to move, the moving block moves along the arc-shaped moving track in the process of moving, the connecting rod II slides on the connecting rod I along with the change of the arc-shaped moving track, and the connecting rod II rotates on the moving block when the moving block changes the angle on the moving track, so that the reciprocating block can still drive the moving block to move when the angle and distance of the moving block on the moving track change.

[0023] 2. In the process of moving the pipe in the cold water tank, the synchronous motor is started, the synchronous motor drives the synchronous drive rod to rotate, the synchronous drive rod drives the plurality of worms to rotate at the same time, the worm drives the corresponding worm gear to rotate, the worm gear drives the corresponding reciprocating screw rod to rotate, the reciprocating screw rod drives the reciprocating block on the spraying frame to move along the reciprocating screw rod, the reciprocating block moves back and forth under the limitation of the spraying frame, the reciprocating block drives the connecting rod I, the connecting rod I drives the connecting rod II, the connecting rod II drives the moving block to move, the moving block moves along the arc-shaped moving track in the process of moving, the connecting rod II slides on the connecting rod I along with the change of the arc-shaped moving track, and the connecting rod II rotates on the moving block when the moving block changes the angle on the moving track, so that the reciprocating block can still drive the moving block to move when the angle and distance of the moving block on the moving track change.

[0024] 3. In the process of moving the pipe in the cold water tank, the synchronous motor is started, the synchronous motor drives the synchronous drive rod to rotate, the synchronous drive rod drives the plurality of worms to rotate at the same time, the worm drives the corresponding worm gear to rotate, the worm gear drives the corresponding reciprocating screw rod to rotate, the reciprocating screw rod drives the reciprocating block on the spraying frame to move along the reciprocating screw rod, the reciprocating block moves back and forth under the limitation of the spraying frame, the reciprocating block drives the connecting rod I, the connecting rod I drives the connecting rod II, the connecting rod II drives the moving block to move, the moving block moves along the arc-shaped moving track in the process of moving, the connecting rod II slides on the connecting rod I along with the change of the arc-shaped moving track, and the connecting rod II rotates on the moving block when the moving block changes the angle on the moving track, so that the reciprocating block can still drive the moving block to move when the angle and distance of the moving block on the moving track change. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 is the first perspective structural schematic diagram of the vacuum cooling water tank in the present application; Figure 2 is the cross-sectional perspective structural schematic diagram of the vacuum cooling water tank in the present application; Figure 3 is the first perspective structural schematic diagram of the vacuum cooling water tank in the present application; Figure 2 is the enlarged schematic diagram of A in the present application; Figure 4 is the perspective structural schematic diagram of the auxiliary spraying mechanism in the present application; Figure 5 is the exploded structural schematic diagram of the auxiliary spraying mechanism in the present application; Figure 6 is the perspective structural schematic diagram of the connecting assembly in the present application; Figure 7 is the partial structural schematic diagram of the driving assembly in the present application; Figure 8 is the exploded structural schematic diagram of the auxiliary dispersing mechanism in the present application.

[0026] Explanation of reference signs: 1, cold water tank; 2, supporting leg; 3, cooling water pipe; 4, spray head; 5, glass cover plate; 6, auxiliary spraying mechanism; 61, spraying frame; 62, moving rail; 63, moving block; 64, connecting hose; 65, driving assembly; 651, reciprocating threaded rod; 652, reciprocating block; 653, worm gear; 654, worm; 655, synchronous motor; 656, synchronous driving rod; 66, connecting assembly; 661, connecting rod one; 662, connecting rod two; 7, auxiliary dispersing mechanism; 71, dispersing plate; 72, supporting frame; 73, reset spring piece; 74, supporting rod; 75, poking assembly; 751, poking rack; 752, poking plate; 8, controller. DETAILED DESCRIPTION

[0027] The present application will be further described below in combination with the accompanying drawings. Figures 1-8 The present application will be further described below in combination with the accompanying drawings.

[0028] The present application discloses a vacuum cooling water tank.

[0029] Reference is made to Figure 1 , Figure 2 and Figure 3The utility model provides a vacuum cooling water tank, including cold water tank 1, two symmetrical support legs 2 are fixed in the bottom of cold water tank 1, install several cooling water pipes 3 in cold water tank 1, several cooling water pipes 3 are circularly distributed, and intercommunication, be provided with a plurality of shower nozzles 4 on cooling water pipe 3, be provided with auxiliary spraying mechanism 6 between shower nozzle 4 and cooling water pipe 3, one side of shower nozzle 4 is provided with auxiliary scattering mechanism 7, and the controller 8 is fixed on cold water tank 1, and the bottom of cold water tank 1 is installed circulating water tank, and the circulating water pump is installed on one side of circulating water tank, and the circulating water pump is communicated with cooling water pipe 3, circulating water tank, and the bottom of cold water tank 1 is installed vacuum pump, and vacuum pump is communicated with cold water tank 1, and the both ends of cold water tank 1 are set up to draw mouth, and the two symmetrical operating mouth of cold water tank 1 are set up, and the both ends of cold water tank 1 are rotatably connected with two symmetrical glass cover plates 5, and glass cover plate 5 corresponds with operating mouth.

[0030] When the plastic pipe production cooling is carried out, the extruded plastic pipe is drawn to the traction port of the cold water tank 1, the plastic pipe passes through the cold water tank 1, the support frame for supporting the pipe is fixed in the cold water tank 1, the pipe passes through the support frame, and finally the glass cover plate 5 is covered on the operating port of the cold water tank 1, the vacuum pump is started, the cold water tank 1 is in a vacuum environment, the circulating water pump is used to send the water in the circulating water tank to the shower nozzle 4, the water is sprayed from the shower nozzle 4 to cool the pipe, and the pipe moves in the cold water tank 1 under the traction of the external traction machine. When the water is sprayed from the shower nozzle 4, the auxiliary spraying mechanism 6 drives the shower nozzle 4 to move back and forth on the auxiliary spraying mechanism 6, so that the water sprayed from the shower nozzle 4 can be more uniformly sprayed on the pipe. When the auxiliary spraying mechanism 6 drives the shower nozzle 4 to move back and forth, the auxiliary scattering mechanism 7 is driven by the shower nozzle 4, the auxiliary scattering mechanism 7 moves back and forth on the auxiliary spraying mechanism 6, the water sprayed from the shower nozzle 4 is further scattered by the auxiliary scattering mechanism 7, so that the water mist sprayed from the shower nozzle 4 can be more uniformly contacted with the pipe, the uniformity of the pipe cooling is further improved, the range of the shower nozzle 4 is larger by connecting the shower nozzle 4 with the auxiliary spraying mechanism 6, the range of the water contacted with the pipe is larger, the uniformity of the pipe cooling is further improved, the possibility of the pipe deformation due to the non-uniform cooling is reduced, and the quality of the pipe production is improved.

[0031] Referring to Figure 3 , Figure 4 and Figure 5The auxiliary spraying mechanism 6 comprises a spraying frame 61 arranged on the spraying head 4, the spraying frame 61 is fixedly connected with the inner wall of the cold water tank 1, a moving rail 62 is fixed on the spraying frame 61, the moving rail 62 is in an arc shape, a moving block 63 is slidably connected with the moving rail 62, the moving block 63 is fixedly connected with the spraying head 4, a driving assembly 65 is arranged between the moving block 63 and the spraying frame 61, a connecting assembly 66 is arranged on the moving block 63, and a connecting hose 64 is fixed on one side of the spraying head 4.

[0032] During the movement of the pipe in the cold water tank 1, the spraying head 4 is connected with the cooling water pipe 3 through the connecting hose 64, so that the cooling water is sprayed out of the spraying head 4, during the spraying of the cooling water by the spraying head 4, the driving assembly 65 drives the connecting assembly 66, the connecting assembly 66 drives the moving block 63, the moving block 63 moves on the moving rail 62, the moving block 63 drives the spraying head 4, the spraying head 4 reciprocally moves on the spraying frame 61, the spraying range of the spraying head 4 is improved, and the coverage area of the cooling water sprayed by the spraying head 4 is improved, the driving assembly 65 drives the moving block 63 through the connecting assembly 66, the moving block 63 moves back and forth along the arc-shaped moving rail 62, and the spraying head 4 is driven by the moving block 63, so that the spraying range of the spraying head 4 is improved, the range of contact between the cooling water and the pipe is improved, the uniformity of pipe cooling is further improved, the possibility of pipe deformation due to uneven cooling is reduced, and the quality of pipe production is improved.

[0033] With reference to Figure 4 , Figure 5 and Figure 7 , the driving assembly 65 comprises a reciprocating threaded rod 651 rotatably connected to the spraying frame 61, and a reciprocating block 652 threadedly connected to the reciprocating threaded rod 651. The reciprocating threaded rod 651 rotates on the spraying frame 61, and when the reciprocating threaded rod 651 rotates, the reciprocating block 652 on the spraying frame 61 is driven to move along the reciprocating threaded rod 651, and the reciprocating block 652 reciprocally moves under the limitation of the spraying frame 61 and the driving of the reciprocating threaded rod 651, so that the reciprocating block 652 reciprocally moves on the moving rail 62.

[0034] With reference to Figure 4 , Figure 5 and Figure 7One end of the spraying frame 61 is rotationally connected with a worm wheel 653, one end of the reciprocating threaded rod 651 penetrates the spraying frame 61 and is fixedly connected with the worm wheel 653, and one side of the worm wheel 653 is meshingly connected with a worm 654. When it is needed to rotate the reciprocating threaded rod 651, the worm 654 is used to drive the worm wheel 653 to rotate on the spraying frame 61, and the worm wheel 653 drives the reciprocating threaded rod 651 to rotate when rotating, the worm 654 is rotated to drive the worm wheel 653 to rotate, and the worm wheel 653 drives the reciprocating threaded rod 651 to rotate, so that the reciprocating threaded rod 651 can be conveniently rotated on the spraying frame 61.

[0035] With reference to Figure 5 and Figure 7 , the inside of the cold water tank 1 is rotationally connected with a plurality of circumferentially distributed synchronous drive rods 656, the synchronous drive rods 656 are fixedly connected with the plurality of worms 654, one end of the cold water tank 1 is fixedly connected with a synchronous motor 655, the output end of the synchronous motor 655 penetrates the cold water tank 1 and is fixedly connected with the synchronous drive rods 656. The synchronous motor 655 is started, the synchronous motor 655 drives the synchronous drive rods 656 to rotate, the synchronous drive rods 656 drive the plurality of worms 654 to rotate simultaneously when rotating, the worms 654 drive the corresponding worm wheels 653 to rotate, the worm wheels 653 drive the reciprocating threaded rods 651 to rotate, the synchronous motor 655 is used to drive the synchronous drive rods 656 to rotate, and the synchronous drive rods 656 drive the plurality of worms 654 to rotate synchronously, so that the reciprocating threaded rods 651 on the spraying frames 61 distributed along the synchronous drive rods 656 can be driven to rotate simultaneously.

[0036] With reference to Figure 5 and Figure 6 , the connecting assembly 66 comprises a connecting rod one 661 fixed on the reciprocating block 652, a connecting rod two 662 slidably connected on the connecting rod one 661, and an end of the connecting rod two 662 proximate to the moving block 63 is rotationally connected with the moving block 63. When the reciprocating block 652 rotates on the reciprocating threaded rod 651, the reciprocating block 652 drives the connecting rod one 661, the connecting rod one 661 drives the connecting rod two 662, and the connecting rod two 662 drives the moving block 63 to move. In the process of moving of the moving block 63, the moving block 63 moves along the arc-shaped moving track 62, the connecting rod two 662 slides on the connecting rod one 661 along with the change of the arc shape of the moving track 62, and the connecting rod two 662 rotates on the moving block 63 when the moving block 63 changes the angle on the moving track 62. The connecting rod one 661 and the connecting rod two 662 are used to connect the moving block 63 with the reciprocating block 652, so that the reciprocating block 652 can still drive the moving block 63 to move when the angle and distance of the moving block 63 on the moving track 62 change.

[0037] With reference to Figure 4 , Figure 5And Figure 8 The auxiliary dispersing mechanism 7 comprises a dispersing plate 71 arranged on the spray head 4, one end of the dispersing plate 71 is fixed with a supporting rod 74, one side of the spray head 4 is fixed with a supporting frame 72, the middle part of the supporting rod 74 is rotationally connected with the supporting frame 72, the two sides of the supporting rod 74 are both provided with a reset spring sheet 73 between the supporting frame 72, the reset spring sheet 73 is V-shaped, the two ends of the reset spring sheet 73 are both fixedly connected with the supporting rod 74 and the supporting frame 72, and one end of the supporting rod 74 away from the dispersing plate 71 is provided with a poking assembly 75 between the spraying frame 61.

[0038] When the moving block 63 drives the spray head 4 to move back and forth along the moving rail 62, the spray head 4 drives the supporting frame 72, the supporting frame 72 drives the supporting rod 74, the supporting rod 74 drives the dispersing plate 71, and at the same time, the supporting rod 74 drives the supporting rod 74 to move on the poking assembly 75. In the process of moving of the spray head 4, the poking assembly 75 pokes the supporting rod 74 back and forth, so that the middle part of the supporting rod 74 shakes back and forth on the supporting frame 72. When the supporting rod 74 shakes back and forth on the supporting frame 72, the supporting rod 74 presses the reset spring sheet 73, and under the support of the reset spring sheet 73, the supporting rod 74 drives the dispersing plate 71 to fan back and forth. The dispersing plate 71 fans back and forth at the front end of the spray head 4, the dispersing plate 71 further disperses the cooling water sprayed by the spray head 4. Under the support of the supporting rod 74, the dispersing plate 71 moves back and forth at the front end of the spray head 4, so that the cooling water sprayed by the spray head 4 can be further dispersed, and the uniformity of pipe cooling is further improved.

[0039] With reference to Figure 5 And Figure 8 The poking assembly 75 comprises a poking rack 751 fixed on one side of the spraying frame 61, the poking rack 751 is arc-shaped, and one end of the supporting rod 74 close to the poking rack 751 is fixed with a poking plate 752. When the spray head 4 drives the supporting frame 72 to move, the supporting frame 72 drives the supporting rod 74, the supporting rod 74 drives the poking plate 752 to move along the teeth of the poking rack 751. When the poking plate 752 moves on the poking rack 751, the supporting rod 74 shakes back and forth on the supporting frame 72, and the supporting rod 74 drives the dispersing plate 71 to shake back and forth. In the process of moving of the spray head 4 driven by the moving block 63, the spray head 4 drives the poking plate 752 on the supporting rod 74 to move on the teeth of the poking rack 751, so that the supporting plate can shake on the supporting frame 72, and the supporting plate drives the dispersing plate 71 to shake on the spray head 4.

[0040] Working principle: when the plastic pipe production cooling, the extrusion of plastic pipe traction to the traction of cold water tank 1, let the plastic pipe from the cold water tank 1, cold water tank 1 is fixed for supporting the support frame, let the pipe from the support frame, finally from the other traction of cold water tank 1, cover the glass cover 5 in the operation of cold water tank 1, start the vacuum pump, let the cold water tank 1 in the vacuum environment, using circulating water pump to send water in the circulating water tank into the nozzle 4, let the water from the nozzle 4, pipe cooling, while the pipe in the external traction machine traction in the cold water tank 1, in the nozzle 4 spray water, start the synchronous motor 655, synchronous motor 655 mobilization synchronous drive rod 656 rotation, synchronous drive rod 656 rotation when driving a number of worm 654 rotation, worm 654 drive corresponding worm gear 653 rotation, worm gear 653 drive corresponding reciprocating screw rod 651 rotation, reciprocating screw rod 651 rotation, drive the reciprocating block 652 on the spray frame 61, reciprocating block 652 in the limit of spray frame 61, along the reciprocating screw rod 651 moves, in the drive of reciprocating screw rod 651, let the reciprocating block 652 reciprocating movement, reciprocating block 652 drive connecting rod one 661, connecting rod two 662, connecting rod two 662 drive moving block 63 movement, in the process of moving block 63 movement, moving block 63 along the arc of the moving track 62 movement, connecting rod two 662 with the change of moving track 62 arc on the connecting rod one 661 slide, moving block 63 drive nozzle 4, let the nozzle 4 reciprocating movement on the spray frame 61, let the nozzle 4 spray range improve, let the nozzle 4 cooling water coverage area improve, at the same time, nozzle 4 drive support frame 72, support frame 72 drive support rod 74, support rod 74 drive scattering plate 71, at the same time, support rod 74 drive support rod 74 on the plate 752 along the plate 751 move, let the support rod 74 drive scattering plate 71 back and forth swing, in the support rod 74 in the support frame 72 back and forth swing, support rod 74 extrusion reset spring piece 73, under the support of reset spring piece 73, let the support rod 74 drive scattering plate 71 back and forth fan, scattering plate 71 in the front of nozzle 4 back and forth fan, scattering plate 71 further scatter the cooling water from the nozzle 4.

Claims

1. A vacuum cooling water tank, comprising a cold water tank (1), characterized in that: The cold water tank (1) has two symmetrical support legs (2) fixed at its bottom. Several cooling water pipes (3) are installed inside the cold water tank (1). These cooling water pipes (3) are arranged in a circular pattern and interconnected. Several nozzles (4) are installed on each cooling water pipe (3). An auxiliary spraying mechanism (6) is installed between each nozzle (4) and the cooling water pipe (3). An auxiliary dispersing mechanism (7) is installed on one side of each nozzle (4). A controller (8) is fixed on the cold water tank (1). (1) has a circulating water tank installed at the bottom. A circulating water pump is installed on one side of the circulating water tank. The circulating water pump is connected to the cooling water pipe (3) and the circulating water tank. A vacuum pump is installed at the bottom of the cold water tank (1). The vacuum pump is connected to the cold water tank (1). Traction ports are opened at both ends of the cold water tank (1). Two symmetrical operating ports are opened on the cold water tank (1). Two symmetrical glass covers (5) are rotatably connected to the cold water tank (1). The glass covers (5) correspond to the operating ports.

2. The vacuum cooling water tank according to claim 1, characterized in that: The auxiliary spraying mechanism (6) includes a spray frame (61) set on the nozzle (4), the spray frame (61) is fixedly connected to the inner wall of the cold water tank (1), a moving rail (62) is fixed on the spray frame (61), the moving rail (62) is arc-shaped, a moving block (63) is slidably connected on the moving rail (62), the moving block (63) is fixedly connected to the nozzle (4), a driving component (65) is provided between the moving block (63) and the spray frame (61), a connecting component (66) is provided on the moving block (63), a connecting hose (64) is fixed on one side of the nozzle (4), and the two ends of the connecting hose (64) are respectively connected to the cooling water pipe (3) and the nozzle (4).

3. The vacuum cooling water tank according to claim 2, characterized in that: The drive assembly (65) includes a reciprocating threaded rod (651) rotatably connected to the spray frame (61), and a reciprocating block (652) is threaded onto the reciprocating threaded rod (651).

4. The vacuum cooling water tank according to claim 3, characterized in that: One end of the spray frame (61) is rotatably connected to a worm gear (653), one end of the reciprocating threaded rod (651) passes through the spray frame (61) and is fixedly connected to the worm gear (653), and a worm (654) is meshed with one side of the worm gear (653).

5. The vacuum cooling water tank according to claim 4, characterized in that: The interior of the cold water tank (1) is rotatably connected to several synchronous drive rods (656) arranged in a circle. The synchronous drive rods (656) are fixedly connected to several worm gears (654). A synchronous motor (655) is fixed at one end of the cold water tank (1). The output end of the synchronous motor (655) passes through the cold water tank (1) and is fixedly connected to the synchronous drive rods (656).

6. The vacuum cooling water tank according to claim 3, characterized in that: The connecting assembly (66) includes a connecting rod one (661) fixed on the reciprocating block (652), and a connecting rod two (662) slidably connected to the connecting rod one (661). The connecting rod two (662) is located near one end of the moving block (63) and is rotatably connected to the moving block (63).

7. The vacuum cooling water tank according to claim 2, characterized in that: The auxiliary dispersing mechanism (7) includes a dispersing plate (71) set on the nozzle (4). One end of the dispersing plate (71) is fixed with a support rod (74). A support frame (72) is fixed on one side of the nozzle (4). The middle part of the support rod (74) is rotatably connected to the support frame (72). A reset spring plate (73) is provided between both sides of the support rod (74) and the support frame (72). The reset spring plate (73) is V-shaped. Both ends of the reset spring plate (73) are fixedly connected to the support rod (74) and the support frame (72). A toggle assembly (75) is provided between the end of the support rod (74) away from the dispersing plate (71) and the spray frame (61).

8. The vacuum cooling water tank according to claim 7, characterized in that: The actuating assembly (75) includes an actuating rack (751) fixed to one side of the spray frame (61), the actuating rack (751) being arc-shaped, and an actuating plate (752) fixed to one end of the support rod (74) near the actuating rack (751).