CN117464898A - PVC yoga ball centrifugation system ball equipment - Google Patents

Abstract

The invention relates to the technical field of PVC yoga ball centrifugal ball making, in particular to PVC yoga ball centrifugal ball making equipment, which comprises a bracket, a conveyor belt and a machine body, wherein the conveyor belt is arranged at the upper end of the bracket, and the machine body is arranged at one side of the conveyor belt; the shaping mechanism is arranged in the machine body, a water injection pipe in the shaping mechanism is used for cooling the rotational molding inner die in a water-cooling way, water generates a large amount of water vapor in the cooling cavity and is input into the gas collection cavity, and the water enters the circulating assembly through the gas transmission pipe; the drainage groove of seting up on the reposition of redundant personnel piece sends into the inside of fortune trachea with vapor, and vapor drives the rotation ring and rotates to drive the pivot and drive the paddle of drawing water and rotate and draw into the fixed disk with water from the circulation dish and recycle, carry out the water course circulation in the centre and realize quick cooling, solve among the prior art mould drawing of patterns difficulty in the stage of cooling design, still can lead to the fact a large amount of extravagant problems to the water resource.

Description

PVC yoga ball centrifugation system ball equipment

Technical Field

The invention relates to the technical field of PVC yoga ball centrifugal ball making, in particular to PVC yoga ball centrifugal ball making equipment.

Background

The existing yoga ball is mainly made of pp and pvc, and pvc is relatively better for manufacturing the yoga ball. Because the pvc material has better tensile, bending, compressive and impact resistance, has better flexibility and is very suitable for yoga balls. While pp materials have good electrical properties and high frequency insulation properties that are not affected by humidity, but become brittle at low temperatures, not wear resistant and subject to aging.

The centrifugal ball making process of PVC yoga ball mainly depends on rotational molding process, and rotational molding is also called rotational molding, rotary molding and the like, and is a thermoplastic plastic hollow molding method. The method is that firstly, the plastic raw material is added into the mould, then the mould is continuously rotated along two vertical axes and heated, the plastic raw material in the mould is gradually and evenly coated and fused on the whole surface of the mould cavity under the action of gravity and heat energy, and the plastic raw material is formed into the required shape.

After rotational molding, the existing PVC yoga ball centrifugal ball manufacturing equipment needs to be provided with a large cooling pool for cooling a die, so that the yoga ball inside the die is shaped, a certain distance is often reserved between the cooling pool and a rotational molding machine, the die is transported by virtue of a conveying belt, the die can be naturally cooled for a period of time before being cooled, the cooling effect of the die is poor during natural cooling, and the bonding between the outer layer of the PVC yoga ball inside the die and the die can be influenced, so that the follow-up demolding process is influenced; some comparatively professional PVC yoga ball centrifugation ball making equipment solve this problem through setting up spraying mechanism in rotational moulding machine inside, thereby spray the mould immediately after rotational moulding is accomplished and guarantee subsequent drawing of patterns success, but spray mechanism long-term in the rotational moulding machine of high temperature life be difficult to guarantee, spray mechanism's early investment is great in order to guarantee the cooling effect, in the use, still can cause the unable recovery of water resource to lead to by a large amount of waste.

In view of the above, in order to overcome the technical problems, the invention designs a PVC yoga ball centrifugal ball making device, which solves the technical problems.

Disclosure of Invention

The technical purpose to be achieved by the invention is as follows: and G, through designing the rotational molding die, liquid water can be directly contacted with the die for recycling, and water is pumped through collecting water vapor generated in the cooling process to drive a water pumping component for pumping water to ensure circulation.

In order to achieve the technical purpose, the invention provides the following technical scheme:

the invention provides PVC yoga ball centrifugal ball making equipment, which comprises a bracket, a conveyor belt and a machine body, wherein the conveyor belt is arranged at the upper end of the bracket and is used for conveying the conveyor belt into a next area for demolding after a shaping mechanism works, one side of the conveyor belt is provided with the machine body, the machine body is responsible for supplying water to the shaping mechanism and can also overturn and heat the whole shaping mechanism so as to realize rotational molding, the PVC yoga ball centrifugal ball making equipment further comprises the shaping mechanism, the shaping mechanism is arranged in the machine body, a water injection pipe in the shaping mechanism is used for cooling the rotational molding inner die by water, a large amount of water vapor is generated in a cooling cavity and is input into a gas collecting cavity through a gas transmission pipe, and the water enters a circulating assembly; the drainage groove arranged on the flow dividing block sends water vapor into the air conveying pipe, and the water vapor drives the rotating ring to rotate, so that the rotating shaft is driven to drive the water pumping blade to rotate, and water is pumped into the fixed disc from the circulating disc for recycling.

The shaping mechanism comprises a water injection pipe, a fixed disc, a cooling assembly, a circulating assembly, a rotational molding lower die and a circulating disc; the water injection pipe is arranged in the machine body, the water injection pipe is used for connecting the machine body with the shaping mechanism, a water supply device in the machine body can supply water for the shaping mechanism, the fixed disk is arranged below the water injection pipe, the fixed disk is used for distributing water added by the water injection pipe, meanwhile, the fixed disk is used for fixing the cooling component and the rotational molding lower die so as to ensure tightness in the process of overturning rotational molding, the annular array of the cooling component is arranged below the fixed disk, the cooling component is used for cooling the interior of the cooling component by using flowing water, so that shaping demolding is carried out after the rotational molding of the pvc yoga ball is ensured, the circulating component is arranged between the two cooling components, the circulating component is used for recycling water in the circulating disk, the rotational molding lower die is arranged below the cooling component, the rotational molding lower die is used for matching with the cooling component to form a closed space so as to finish rotational molding and cooling shaping, the circulating disk is arranged below the rotational molding lower die, the circulating disk is used for collecting and temporarily storing the cooled water, and the circle center of the circulating disk and the fixed disk is positioned on the same straight line so as to ensure tightness in the process of rotational molding; the inside annular array of fixed disk has seted up many water delivery runners, and the rivers that the water injection pipe injected can be shunted to realize the rivers to a plurality of shaping mechanisms are supplied with, and the quantity of water delivery runner is the same with cooling module quantity, and every water delivery runner is responsible for the water supply of a cooling module, and wherein still a runner is the same with circulating module for the water in the circulating disk is pumped to the fixed disk transportation.

The cooling assembly comprises a water delivery pipe, a gas collection block, a gas delivery pipe, a mounting block, a positioning groove, a shell, a rotational molding inner mold, a gas collection cavity and a cooling cavity; the water pipe is fixedly arranged below the fixed disc, the water pipe is used for discharging water which is split in the fixed disc, the rotational molding inner mold is cooled and shaped, the water pipe is communicated with the water delivery flow channel, the gas collecting block is fixedly arranged at the outer side of the water pipe, the gas collecting block is used for connecting the shell and the rotational molding inner mold in the process of contacting the water with the rotational molding inner mold at high temperature, a large amount of water vapor is formed by vaporization of liquid water after the liquid water absorbs a large amount of heat, the water vapor is upwards moved through flowing water due to low molecular mass, is gathered in the gas collecting cavity and is discharged through the gas delivery pipe, the gas delivery pipe is fixedly arranged at the position, which is close to the upper part of the gas collecting block, which is beneficial to collecting and discharging the water vapor, so that the pressure in the cooling cavity is reduced, the mounting block is fixedly arranged below the gas delivery pipe, and is used for further enhancing the tightness of the rotational molding inner mold by arranging the shell, and improving the success rate of processing;

the positioning groove is formed below the mounting block, the outer shell and the rotational molding inner die are respectively arranged at the inner side and the outer side of the mounting block, the gas collecting cavity is formed inside the gas collecting block, and the cooling cavity is formed between the outer shell and the rotational molding inner die; the gas collecting block is annular around the water delivery pipe, the annular gas collecting block can collect gas in the cooling cavity to the greatest extent, the cross section of the gas collecting cavity is trapezoid, and the trapezoid design can boost the gas collecting cavity, so that the gas delivery efficiency of the gas delivery pipe is guaranteed.

The water outlet pipeline is arranged below the rotational molding lower die and used for collecting and discharging cooled liquid water into the circulating disc, the circulating disc is arranged into an internal hollow structure, a part of water can be stored and recycled through the circulating assembly, the matching block is arranged above the rotational molding lower die and is identical to the mounting block in position, the matching block is arranged around the rotational molding inner die annular array, so that the connection between the rotational molding inner die and the shell is stable enough, the matching block is provided with a positioning block, the positioning block is hemispherical and is matched with the positioning groove, the positioning effect is achieved, the gap can be further reduced, and the air tightness is guaranteed.

Liquid in the fixed disk flows into the water delivery pipe in a split manner through the water delivery flow channel, liquid water enters the cooling cavity through the water delivery pipe and contacts with the rotational molding inner die, the liquid water is subjected to rapid cooling and shaping, the positioning block and the positioning groove are matched with each other, the tightness of the rotational molding inner die is ensured, and the liquid water is prevented from entering the rotational molding inner die or overflowing when moving in the cooling cavity.

The circulating assembly comprises an air conveying pipe, a rotating shaft, an air outlet hole, a flow dividing block, a drainage groove, a guide pulling piece, a rotating ring, a sealing shell and a pumping blade; the gas conveying pipe is fixedly arranged below the fixed disc, the gas conveying pipe is used for sealing high-pressure gas in the gas conveying pipe, so that the gas conveying pipe is converted into kinetic energy of the rotating shaft to drive the pumping blade to pump water, the rotating shaft is rotatably arranged in the gas conveying pipe, the annular array of gas outlet holes is arranged on the outer side of the rotating shaft, the gas outlet holes are used for discharging the utilized gas, the flow dividing block is fixedly arranged at one end of the rotating shaft, and the flow dividing block is used for outwardly dividing the gas and giving the gas an outward angular velocity, so that the conversion efficiency of the circulating assembly is improved;

the utility model discloses a liquid water circulation device, including diversion block, guide plectrum, sealing shell, paddle, sealing shell, pump paddle and circulating disk, the diversion groove is offered on the surface of diversion block, and the diversion groove can provide gaseous one rotation angular velocity on the one hand, and on the other hand diversion groove on the diversion block receives the pressure self rotation of high-pressure gas, also can direct conversion partly ability as the power supply of pivot, direction plectrum fixed mounting is at the internal surface of fortune trachea, swivel becket fixed mounting is at the surface of pivot, sealing shell installs the one end at the pivot, and sealing shell is used for providing a inclosed environment, pumping paddle installs inside sealing shell, pumping paddle is used for rotating the pressure differential about forming for liquid water atress in the circulating disk upward movement.

The flow dividing block is in a circular truncated cone shape, the circular truncated cone shape is favorable for dividing high-pressure gas, the smaller end of the flow dividing block is far away from the rotating shaft, and the drainage groove is in a spiral shape. The spiral drainage groove can provide the certain angular velocity of high-pressure gas on the one hand, and on the other hand can drive the reposition of redundant personnel platform and rotate to further convert the energy of high-pressure gas, swivel ring and direction plectrum alternate set up on the surface of pivot, and the direction plectrum is used for adjusting the kinetic energy of gaseous upper and lower two parts, thereby increases the power of direction plectrum top and promotes the conversion rate of high-pressure gas, and the cross-sectional shape of direction plectrum is the water droplet shape, and under Bernoulli's principle's application, two cambered surfaces about the water droplet shape are favorable to promoting the kinetic energy of one side, thereby drive the swivel ring better and rotate, and the great one end of direction plectrum sets up towards the gas outlet. The surface mounting of swivel becket has the rotation plectrum, the rotation plectrum is crescent, and the kinetic energy of high-pressure gas can be utilized as much as possible to crescent rotation plectrum to drive the pivot and rotate fast.

The beneficial effects of the invention are as follows:

1. according to the invention, the shaping mechanism is arranged to carry out double-layer design on the rotational molding die, so that liquid water can directly carry out rapid cooling on the die, used water is temporarily stored in the circulating disc, and the water vapor generated in the cooling process is used for energy conversion to drive the water pumping blade to carry out water circulation, so that the resource waste is reduced.

2. According to the invention, through arranging the cooling assembly, the contact area in the water cooling process is ensured, the potential safety hazard that a large amount of water vapor leaks when liquid water directly contacts the high-temperature die is solved, the tightness is further improved through the positioning block and the positioning groove, the liquid water and the water vapor are prevented from leaking in the cooling process, the tightness of the die in the rotational molding process and the cooling shaping process is improved, the working time is shortened, and the working efficiency is improved.

3. According to the invention, the circulating assembly is arranged, the water vapor is collected for power conversion, and the water pumping blade is driven to pump and reuse the water in the circulating disc, so that the consumption of water resources is reduced, the water vapor is effectively reused, the temperature and the pressure of the utilized water vapor are greatly reduced, and the harm of the water vapor to the health of workers is avoided.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following description will briefly explain the drawings needed in the embodiments or the prior art, and it is obvious that the drawings in the following description are some embodiments of the present invention and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

The above and other aspects of the invention will now be described, by way of example only, with reference to the accompanying drawings, in which:

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the setting mechanism of the present invention;

FIG. 3 is a cross-sectional view of a holding pan of the present invention;

FIG. 4 is a schematic view of the cooling module structure of the present invention;

FIG. 5 is a cross-sectional view of the cooling module and rotomolding lower die of the present invention;

FIG. 6 is a schematic view of the rotational molding lower die structure of the invention;

FIG. 7 is a schematic flow of liquid water and steam according to the present invention;

FIG. 8 is a schematic view of the internal structure of the circulation assembly of the present invention;

FIG. 9 is a cross-sectional view of a seal housing of the present invention;

fig. 10 is an overall workflow diagram of the present invention.

In the figure: 1. a bracket; 2. a conveyor belt; 3. a body; 4. a shaping mechanism; 41. a water injection pipe; 42. a fixed plate; 421. a water delivery flow passage; 43. a cooling assembly; 431. a water pipe; 432. a gas collecting block; 433. a gas pipe; 434. a mounting block; 435. a positioning groove; 436. a housing; 437. a rotational molding inner mold; 438. an air collection cavity; 439. a cooling chamber; 44. a circulation assembly; 441. a gas transporting pipe; 442. a rotating shaft; 443. an air outlet hole; 444. a shunt block; 445. a drainage groove; 446. a guiding pulling piece; 447. a rotating ring; 447a, rotating the plectrum; 448. a seal housing; 449. pumping paddles; 45. rotational molding of the lower die; 451. a water outlet pipe; 452. a mating block; 453. a positioning block; 46. a circulation tray.

Detailed Description

In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.

As shown in fig. 1 to 10, a PVC yoga ball centrifugal ball making apparatus includes a bracket 1, a conveyor belt 2 and a machine body 3, wherein the conveyor belt 2 is installed at the upper end of the bracket 1, the conveyor belt 2 is used for transporting the conveyor belt into the next area to perform demolding after the shaping mechanism 4 is completed, the machine body 3 is installed at one side of the conveyor belt 2, the machine body 3 is responsible for supplying water to the shaping mechanism 4, and can also overturn and heat the entire shaping mechanism 4, so as to realize rotational molding processing, the apparatus further includes the shaping mechanism 4, the shaping mechanism 4 is installed inside the machine body 3, a water injection pipe 41 in the shaping mechanism 4 is used for cooling the rotational molding inner mold 437 by water, water generates a large amount of water vapor in a cooling cavity 439 and enters a circulation assembly 44 through a gas pipe 433; the water vapor is sent into the air transporting pipe 441 by the drainage groove 445 arranged on the flow dividing block 444, and the water vapor drives the rotating ring 447 to rotate, so that the rotating shaft 442 drives the water pumping blade 449 to rotate, and water is pumped into the fixed disc 42 from the circulating disc 46 for recycling.

As shown in fig. 2 and 3, the shaping mechanism 4 comprises a water injection pipe 41, a fixed disc 42, a cooling assembly 43, a circulating assembly 44, a rotational molding lower die 45 and a circulating disc 46; the water injection pipe 41 is arranged in the machine body 3, the water injection pipe 41 is used for connecting the machine body 3 with the shaping mechanism 4, so that a water supply device in the machine body 3 can supply water for the shaping mechanism 4, the fixed disc 42 is arranged below the water injection pipe 41, the fixed disc 42 is used for dividing the water added by the water injection pipe 41, meanwhile, the fixed disc 42 is used for fixing the cooling component 43 and the rotational molding lower die 45 so as to ensure tightness in the process of overturning rotational molding, the annular array of the cooling component 43 is arranged below the fixed disc 42, the cooling component 43 is used for cooling the inside of the cooling component by using flowing water so as to ensure shaping and demolding after pvc yoga ball rotational molding, the circulating component 44 is arranged between the two cooling components 43, the circulating component 44 is used for recycling the water in the circulating disc 46, the rotational molding lower die 45 is arranged below the cooling component 43, the rotational molding lower die 45 is used for forming a closed space to complete rotational molding and cooling shaping in cooperation with the cooling component 43, the circulating disc 46 is arranged below the rotational molding lower die 45, and the circulating water is collected in the same way as the circular disc 46, and the circular disc 46 is positioned on the same straight line after the circular disc is sealed and positioned in the process of the rotational molding; the fixed disc 42 is provided with a plurality of water delivery flow channels 421 in an annular array, water injected by the water injection pipe 41 is split, so that water flow supply to a plurality of shaping mechanisms 4 is realized, the number of the water delivery flow channels 421 is the same as that of the cooling assemblies 43, each water delivery flow channel 421 is responsible for water supply of one cooling assembly 43, and one flow channel is the same as that of the circulating assembly 44 and is used for sucking water in the circulating disc 46 to transport the water into the fixed disc 42.

The machine body 3 injects water into the water injection pipe 41, the water is shunted by the fixed disc 42 and flows to different cooling assemblies 43 respectively, the water in the cooling assemblies 43 flows into the circulating disc 46 through the rotational molding lower die 45 after being cooled by water, and the circulating assembly 44 transports the water in the circulating disc 46 into the fixed disc 42 again under the driving of steam pressure, so that the cyclic utilization is realized, and the waste of water resources is reduced.

As shown in fig. 4 and 5, the cooling assembly 43 includes a water pipe 431, a gas collecting block 432, a gas pipe 433, a mounting block 434, a positioning groove 435, a housing 436, a rotational molding inner mold 437, a gas collecting cavity 438 and a cooling cavity 439; the water delivery pipe 431 is fixedly arranged below the fixed disc 42, the water delivery pipe 431 is used for discharging water which is split in the fixed disc 42, the temperature of the rotational molding inner die 437 is reduced and shaped, the water delivery pipe 431 is communicated with the water delivery flow channel 421, the gas collection block 432 is fixedly arranged at the outer side of the water delivery pipe 431, the gas collection block 432 is used for connecting the shell 436 with the rotational molding inner die 437 at high temperature in the process of contacting the water and the rotational molding inner die 437, because the liquid water absorbs a large amount of heat, a large amount of water vapor can be formed by vaporization, the water vapor can move upwards through flowing water and is gathered in the gas collection cavity 438 and is discharged through the gas delivery pipe 433, the gas collection pipe 433 is fixedly arranged at the position, close to the upper part, of the gas collection block 432, which is beneficial to discharging the water vapor, so as to reduce the pressure in the cooling cavity 439, the mounting block 434 is fixedly arranged below the gas delivery pipe 433, the mounting block 434 is used for connecting the shell 436 with the rotational molding inner die 437, the sealing performance of the rotational molding inner die is further enhanced by arranging the shell 436, the success rate of the processing of the rotational molding inner die 435 is improved, the positioning block 434 is arranged at the lower surface of the shell 436 and the inner die 437, the cooling cavity 437 is arranged at the two sides of the shell 437, and the inner die 437 is respectively; the gas collecting block 432 is annular around the water pipe 431, the annular gas collecting block 432 can collect gas in the cooling cavity 439 to the greatest extent, the cross section of the gas collecting cavity 438 is trapezoid, and the trapezoid design can boost the gas collecting cavity 438, so that the gas transmission efficiency of the gas pipe 433 is guaranteed.

As shown in fig. 6 and 7, a water outlet pipe 451 is installed below the lower rotational molding mold 45, the water outlet pipe 451 is used for collecting and discharging cooled liquid water into the circulation disk 46, the circulation disk 46 is arranged to be of a hollow structure, a part of water can be stored and recycled through the circulation assembly 44, a matching block 452 is installed above the lower rotational molding mold 45, the matching block 452 and the installation block 434 are located at the same position, the matching block 452 is arranged around the annular array of the inner rotational molding mold 437, so that the connection between the inner rotational molding mold 437 and the outer shell 436 is stable enough, a positioning block 453 is installed on the matching block 452, the shape of the positioning block 453 is a hemisphere, the positioning block 453 is used for matching with the positioning groove 435, so that the positioning effect is realized, the gap can be further reduced, and the air tightness is ensured.

Liquid in the fixed disc 42 is shunted into the water delivery pipe 431 through the water delivery flow channel 421, liquid water enters the cooling cavity 439 through the water delivery pipe 431 and contacts with the rotational molding inner die 437, rapid cooling and shaping are carried out on the liquid water, the positioning block 453 and the positioning groove 435 are matched with each other, the tightness of the rotational molding inner die 437 is guaranteed, and the liquid water is prevented from entering the rotational molding inner die 437 or overflowing when moving in the cooling cavity 439.

As shown in fig. 8 and 9, the circulation assembly 44 includes a gas pipe 441, a rotating shaft 442, a gas outlet 443, a flow dividing block 444, a flow guiding groove 445, a guiding dial 446, a rotating ring 447, a sealing housing 448 and a pumping blade 449; the air transporting pipe 441 is fixedly arranged below the fixed disc 42, the air transporting pipe 441 is used for sealing high-pressure air therein, so that the high-pressure air is converted into kinetic energy of the rotating shaft 442 to drive the water pumping blade 449 to pump water, the rotating shaft 442 is rotatably arranged inside the air transporting pipe 441, the annular array of air outlet holes 443 are arranged on the outer side of the rotating shaft 442, the air outlet holes 443 are used for discharging the utilized air, the split-flow block 444 is fixedly arranged at one end of the rotating shaft 442, the split-flow block 444 is used for splitting the air outwards and giving an outwards angular velocity to the air, the conversion efficiency of the circulating assembly 44 is improved, the flow guiding groove 445 is arranged on the surface of the split-flow block 444, the flow guiding groove 445 can provide the air with the angular velocity, on one hand, the flow guiding groove 445 on the split-flow block 444 is subjected to the pressure of the high-pressure air to rotate by itself, and can also directly convert a part of capacity as a power source of the rotating shaft 442, the guide pulling piece 446 is fixedly arranged on the inner surface of the rotating shaft 442, the rotating ring is fixedly arranged on the outer surface of the rotating shaft 442, the sealing shell 448 is arranged at one end of the rotating shaft 442, the sealing shell 448 is used for splitting the air outwards, and an outwards angular velocity is given to the air, the sealing shell is used for sealing the water is formed under the condition of the condition that the water is sealed by the pressure of the blade 448, and the water is sealed by the impeller 449, and the water is moved by the pressure of the water is sealed by the sealing shell and the water is formed by the sealing shell by the sealing structure. The split block 444 is in a shape of a circular truncated cone, the circular truncated cone is beneficial to splitting high-pressure gas, one smaller end of the split block 444 is far away from the rotating shaft 442, and the drainage groove 445 is in a spiral shape. The spiral drainage groove 445 can provide a certain angular velocity of high-pressure gas on the one hand, and can drive the diversion bench to rotate on the other hand, so that energy of the high-pressure gas is further converted, the rotating ring 447 and the guiding poking piece 446 are alternately arranged on the outer surface of the rotating shaft 442, the guiding poking piece 446 is used for adjusting kinetic energy of the upper part and the lower part of the gas, power above the guiding poking piece 446 is increased, the conversion rate of the high-pressure gas is improved, the section of the guiding poking piece 446 is in a water drop shape, the upper cambered surface and the lower cambered surface of the water drop shape are beneficial to improving kinetic energy of one side, so that the rotating ring 447 is driven to rotate better, and one end of the guiding poking piece 446, which is larger, is arranged towards the air outlet. The surface of the rotating ring 447 is provided with a rotating shifting piece 447a, the rotating shifting piece 447a is crescent, and the crescent rotating shifting piece 447a can utilize the kinetic energy of the high-pressure gas as much as possible, so as to drive the rotating shaft 442 to rotate rapidly.

The water vapor is transported into the gas transporting pipe 441 through the gas transporting pipe 433, the high-pressure gas in the gas transporting pipe 441 moves outwards in a spiral way under the split flow of the split flow block 444 and the drainage groove 445, and the split flow block 444 is primarily driven to rotate, at the moment, the rotating shaft 442 also rotates along with the split flow block, the high-pressure gas drives the rotating shaft 447a to rotate when passing through the rotating shifting piece 447a, the kinetic energy of one side of the high-pressure gas is increased after passing through the guiding shifting piece 446, the energy of the gas is reduced after passing through the guiding shifting pieces 446 and the rotating shifting piece 447a, the gas is discharged through the gas outlet 443, at the moment, the rotating shaft 442 obtains continuous power supply, the water pumping blade 449 is driven to rotate, and a pressure difference is formed between the upper direction and the lower direction of the sealing shell 448, so that the water in the circulating disc 46 is sucked upwards into the fixed disc 42 for reuse.

In the working process of the invention, after the shaping mechanism 4 completes the rotational molding process in the machine body 3, a water tank arranged on the machine body 3 can be used for injecting water into the water injection pipe 41, liquid water is split through the water delivery flow channel 421 and enters different cooling assemblies 43, the liquid water cools and shapes the rotational molding inner die 437 through the cooling cavity 439, and the liquid water flows to the rotational molding lower die 45 under the action of gravity and is discharged into the circulating disc 46 for storage through the water storage pipeline; in the process, the positioning block 453 and the positioning groove 435 enable the rotational molding inner die 437 to be mutually attached so as to ensure tightness, because the temperature of the rotational molding inner die 437 is higher, liquid water can be quickly vaporized to generate a large amount of water vapor when contacting, the water vapor moves upwards to be converged in the air collecting cavity 438 and is discharged through the air conveying pipes 433, and the water vapor generated by the plurality of air conveying pipes 433 is converged in the air conveying pipes 441;

when the water vapor passes through the diversion block 444, the water vapor passes through the spiral drainage groove 445 and then initially drives the rotating shaft 442 to rotate, and after a certain angular velocity, the water vapor continuously passes through the guide plectrum 446 and the rotation plectrum 447a so as to drive the rotating ring 447 to continuously rotate, the inner edge of the rotating ring 447 is fixedly arranged on the rotating shaft 442, the rotating shaft 442 obtains a continuously rotating power source, the rotating shaft 442 drives the water pumping blade 449 to continuously rotate, so that the sealing shell 448 forms a pressure difference up and down, a one-way valve is arranged in a pipeline above the sealing shell 448, so that the liquid water in the circulating disc 46 can only move upwards, and the liquid water is pumped into the fixed disc 42 for repeated use.

The description herein is provided to enable any person skilled in the art to make or use the disclosure. Various modifications to the disclosure will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other variations without departing from the scope of the disclosure. Thus, the disclosure is not limited to the examples and designs described herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. The PVC yoga ball centrifugal ball making device comprises a bracket (1), a conveyor belt (2) and a machine body (3), wherein the conveyor belt (2) is arranged at the upper end of the bracket (1), and the machine body (3) is arranged at one side of the conveyor belt (2); the plastic rolling machine is characterized by further comprising a shaping mechanism (4), wherein the shaping mechanism (4) is arranged in the machine body (3), a water injection pipe (41) in the shaping mechanism (4) is used for cooling the rotational molding inner die (437) by water, a large amount of water vapor is generated in a cooling cavity (439) and is input into an air collection cavity (438), and the water enters a circulating assembly (44) through a gas pipe (433); the diversion grooves (445) arranged on the diversion blocks (444) send water vapor into the air conveying pipe (441), the water vapor drives the rotating ring (447) to rotate, and accordingly the rotating shaft (442) is driven by the driving rotating shaft (442) to drive the water pumping blades (449) to rotate, and water is pumped into the fixed disc (42) from the circulating disc (46) for recycling.

2. The PVC yoga ball centrifugal ball making apparatus of claim 1, wherein: the shaping mechanism (4) comprises a water injection pipe (41), a fixed disc (42), a cooling assembly (43), a circulating assembly (44), a rotational molding lower die (45) and a circulating disc (46); the utility model discloses a water injection pipe, including fuselage (3) and fixed disk (46), water injection pipe (41) are installed in the inside of fuselage (3), the below at water injection pipe (41) is installed to fixed disk (42), cooling module (43) annular array installs the below at fixed disk (42), circulating module (44) are installed between two cooling module (43), rotational moulding lower mould (45) are installed in the below of cooling module (43), circulating disk (46) are installed in the below of rotational moulding lower mould (45), and circulating disk (46) and fixed disk (42) are installed with the axle center.

3. The PVC yoga ball centrifugal ball making apparatus of claim 2, wherein: a plurality of water delivery flow channels (421) are formed in the annular array in the fixing disc (42), the horizontal distances from one end, close to the outer side, of each water delivery flow channel (421) to the water injection pipe (41) are equal, and the number of the water delivery flow channels (421) is the same as the number of the cooling assemblies (43).

4. A PVC yoga ball centrifugal ball making apparatus according to claim 3, wherein: the cooling assembly (43) comprises a water conveying pipe (431), a gas collecting block (432), a gas conveying pipe (433), a mounting block (434), a positioning groove (435), a shell (436), a rotational molding inner die (437), a gas collecting cavity (438) and a cooling cavity (439); the utility model discloses a gas-collecting device, including fixed disk (42) and air-collecting block (432), raceway (431) are installed below fixed disk (42), raceway (431) communicate with each other with water delivery runner (421), air-collecting block (432) are installed in the outside of raceway (431), air-collecting block (432) are leaned on 1/3 department, install piece (434) are installed in the below of air-collecting block (433), positioning groove (435) are seted up below installation piece (434), shell (436) and rotational moulding centre form (437) are installed respectively in the inside and outside both sides of installation piece (434), air-collecting cavity (438) are seted up in the inside of air-collecting block (432), cooling chamber (439) are seted up between shell (436) and rotational moulding centre form (437).

5. The PVC yoga ball centrifugal ball making apparatus of claim 4, wherein: the gas collecting block (432) is annular around the water delivery pipe (431), and the cross section of the gas collecting cavity (438) is trapezoid.

6. The PVC yoga ball centrifugal ball making apparatus of claim 2, wherein: the water outlet pipeline (451) is arranged below the rotational molding lower die (45), the matching block (452) is arranged on the rotational molding lower die (45), the matching block (452) is arranged around the rotational molding inner die (437) in an annular array, and the positioning block (453) is arranged on the matching block (452).

7. The PVC yoga ball centrifugal ball making apparatus of claim 6, wherein: the shape of the locating block (453) is a hemisphere, and the locating block (453) and the locating groove (435) are in interference fit.

8. The PVC yoga ball centrifugal ball making apparatus of claim 1, wherein: the circulating assembly (44) comprises an air conveying pipe (441), a rotating shaft (442), an air outlet hole (443), a flow dividing block (444), a flow guiding groove (445), a guiding pulling piece (446), a rotating ring (447), a sealing shell (448) and a pumping blade (449); the utility model discloses a pump, including fortune trachea (441) and impeller, fixed disk (42) are installed below, inside at fortune trachea (441) is installed to pivot (442), the outside at pivot (442) is seted up to venthole (443) annular array, one end at pivot (442) is installed to reposition of redundant personnel piece (444), on the surface of reposition of redundant personnel piece (444) is seted up to drainage recess (445), the internal surface at fortune trachea (441) is installed to direction plectrum (446), the surface at pivot (442) is installed to swivel becket (447), one end at pivot (442) is installed to seal housing (448), pump impeller (449) are installed inside seal housing (448), and reposition of redundant personnel piece (444) and pump impeller (449) coaxial setting.

9. The PVC yoga ball centrifugal ball making apparatus of claim 8, wherein: the flow dividing block (444) is in a truncated cone shape, the smaller end of the flow dividing block (444) is far away from the rotating shaft (442), and the drainage groove (445) is in a spiral shape.

10. The PVC yoga ball centrifugal ball making apparatus of claim 8, wherein: the rotary ring (447) and the guide plectrum (446) are alternately arranged on the outer surface of the rotary shaft (442), the section shape of the guide plectrum (446) is in a drop shape, the larger end of the guide plectrum (446) is arranged towards the air outlet, the rotary plectrum (447 a) is arranged on the surface of the rotary ring (447), and the rotary plectrum (447 a) is in a crescent shape.