CN117817937B - Swelling and foaming device and method for lightweight PVC (polyvinyl chloride) trousers - Google Patents
Swelling and foaming device and method for lightweight PVC (polyvinyl chloride) trousers Download PDFInfo
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- CN117817937B CN117817937B CN202410223736.9A CN202410223736A CN117817937B CN 117817937 B CN117817937 B CN 117817937B CN 202410223736 A CN202410223736 A CN 202410223736A CN 117817937 B CN117817937 B CN 117817937B
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- 238000000034 method Methods 0.000 title claims abstract description 56
- 238000005187 foaming Methods 0.000 title claims abstract description 41
- 230000008961 swelling Effects 0.000 title claims abstract description 33
- 229920000915 polyvinyl chloride Polymers 0.000 title abstract description 67
- 239000004800 polyvinyl chloride Substances 0.000 title abstract description 67
- 239000007788 liquid Substances 0.000 claims abstract description 137
- 239000004088 foaming agent Substances 0.000 claims abstract description 87
- 238000010438 heat treatment Methods 0.000 claims abstract description 50
- 239000002994 raw material Substances 0.000 claims abstract description 44
- 230000007246 mechanism Effects 0.000 claims abstract description 34
- 230000008569 process Effects 0.000 claims abstract description 22
- 238000002347 injection Methods 0.000 claims abstract description 19
- 239000007924 injection Substances 0.000 claims abstract description 19
- 238000003756 stirring Methods 0.000 claims abstract description 16
- 239000000463 material Substances 0.000 claims abstract description 15
- 238000002156 mixing Methods 0.000 claims abstract description 11
- 238000009423 ventilation Methods 0.000 claims description 26
- 239000000203 mixture Substances 0.000 claims description 11
- 238000005485 electric heating Methods 0.000 claims description 9
- 239000002245 particle Substances 0.000 claims description 9
- 230000009471 action Effects 0.000 claims description 8
- 230000000712 assembly Effects 0.000 claims description 8
- 238000000429 assembly Methods 0.000 claims description 8
- 238000005086 pumping Methods 0.000 claims description 7
- 238000002844 melting Methods 0.000 claims description 6
- 230000008018 melting Effects 0.000 claims description 6
- 238000004321 preservation Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 238000002309 gasification Methods 0.000 claims description 2
- 230000001737 promoting effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 10
- 239000012141 concentrate Substances 0.000 description 3
- 238000003475 lamination Methods 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000004604 Blowing Agent Substances 0.000 description 1
- 206010047289 Ventricular extrasystoles Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a swelling and foaming device and a swelling and foaming method for a pair of lightweight PVC (polyvinyl chloride) trousers, and relates to the technical field of swelling and foaming. According to the swelling foaming device and method for the pants with the lightweight PVC material, through the cooperation of the main shaft rod assembly, the movable disc assembly, the liquid injection rod assembly and the arc-shaped ejector block, the liquid foaming agent in the foaming agent storage box can be pumped into the heating box for a small amount of times automatically in the rotating process of the multifunctional rod mechanism, and is discharged through each through hole, the liquid foaming agent is uniformly injected into the molten PVC raw material from a plurality of positions, so that the liquid foaming agent is prevented from being concentrated in one place to form a lump, the liquid injection rod assembly is subjected to the reverse acting force of the molten liquid to rotate in the process, the surrounding liquid foaming agent is pushed to one side far away from the main shaft rod assembly in time, the foaming agent can be rapidly dispersed to each position of the molten PVC raw material, the rapid mixing of the foaming agent and the molten PVC raw material is ensured, and the stirring mixing time is shortened.
Description
Technical Field
The invention relates to the technical field of swelling and foaming, in particular to a swelling and foaming device and method for a lightweight PVC (polyvinyl chloride) sewage trousers.
Background
The special protective clothing which is necessary to wear when the pants are used for farm work or salvaged plays a role in water prevention, the comfort and stability of the physiological environment of operators are guaranteed, in the process of producing the lightweight PVC material pants, a swelling foaming device is needed, the PVC material is heated to high temperature to be melted into a liquid state by the device, a liquid foaming agent is injected into the molten PVC material, then stirring is carried out, the liquid foaming agent is uniformly distributed in the molten PVC material, the foaming effect is realized, then the mixture is injected into a special mold, the mixture is further foamed and solidified, the shape of the pants is finally formed, after the pants are formed, the pants are put into a hot press for hot press lamination, the tight lamination of each part of the pants is guaranteed, and after lamination, the pants are subjected to coating treatment, so that the characteristics of wear resistance, cold resistance, chemical resistance and the like are improved.
Referring to the PU foaming machine of chinese patent publication No. CN216760559U, through adjustment mechanism, first axis of rotation and first stirring vane, realize the stirring to the foaming agent, the second axis of rotation rotates the in-process and drives reciprocating screw through the meshing of second gear and third gear and rotate, and under the montant is spacing, the mounting panel reciprocates from top to bottom to drive the first axis of rotation reciprocating motion in rotation, make first stirring vane can contact more foaming agent, further improved the stirring effect to the foaming agent.
Comprehensive analysis of the above referenced patents can lead to the following drawbacks:
in the conventional swelling and foaming device and method for the pants of the lightweight PVC material, when the liquid foaming agent is injected into the molten PVC raw material, the liquid foaming agent is easy to concentrate at one place, a lump-shaped concentrated area is formed in the molten PVC raw material, and cannot be rapidly dispersed in each position of the molten PVC raw material, so that the liquid foaming agent and the molten PVC raw material are difficult to be rapidly mixed, long stirring and mixing time is required, and the foaming effect is influenced.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a swelling foaming device and a swelling foaming method for a pair of lightweight PVC (polyvinyl chloride) trousers, which solve the problems that when a liquid foaming agent is injected into a molten PVC raw material, the liquid foaming agent is easy to concentrate in one place, a lump-shaped concentrated area is formed in the molten PVC raw material, and cannot be rapidly dispersed into each position of the molten PVC raw material, so that the liquid foaming agent and the molten PVC raw material are difficult to be rapidly mixed, longer stirring and mixing time is required, and the foaming effect is influenced.
In order to achieve the above purpose, the invention is realized by the following technical scheme: a lightweight PVC material swelling and foaming device for a pair of pants, comprising:
The heating box is internally fixedly provided with an electric heating wire for heating and melting PVC raw material particles of light-weight trousers, the top of the heating box is fixedly provided with a containing cover, the top of the containing cover is fixedly provided with a motor box, the top of the containing cover is fixedly provided with a servo motor positioned in the motor box, an output shaft of the servo motor penetrates through the top wall of the containing cover and is fixedly provided with a limiting frame mechanism, a liquid passing pipe is fixedly arranged in the middle of the bottom of the heating box, the bottom of the liquid passing pipe is fixedly provided with a foaming agent storage box, the right side of the heating box is fixedly provided with a heat preservation cover, the inside of the heat preservation cover is fixedly penetrated with a ventilation bent pipe, the lower part of the liquid passing pipe is fixedly provided with a first electromagnetic valve positioned below the ventilation bent pipe, the lower part of the liquid passing pipe is fixedly provided with a first one-way valve positioned below the first electromagnetic valve, the bottom of the ventilation bent pipe is fixedly provided with a second electromagnetic valve, the bottom of the ventilation is fixedly provided with a second one-way valve positioned on the right side of the second electromagnetic valve, and the left side of the heating box is fixedly provided with a feeding pipe;
The multifunctional rod mechanism is used for injecting a liquid foaming agent into the heating box and stirring and mixing the liquid foaming agent and the molten PVC raw material;
The multifunctional rod mechanism comprises a main shaft rod assembly, wherein the top of the main shaft rod assembly is penetrated by a movable disc assembly in a sliding way, and a plurality of liquid injection rod assemblies are uniformly arranged on the outer wall of the main shaft rod assembly in a rotating way;
the arc kicking block is used for pushing the movable disc assembly to complete up-and-down reciprocating motion, and a plurality of antifriction balls are evenly arranged on the side wall of the arc kicking block in a rotating mode.
Preferably, the bottom of logical liquid pipe is located the inner chamber lower part of foaming agent bin, the fixed discharge pipe that is provided with in bottom left side of heating cabinet, the fixed third solenoid valve that is provided with in upper portion of discharge pipe, the fixed notes liquid pipe that is provided with in top right side of foaming agent bin, the equal thread bush in top of feeding pipe and notes liquid pipe is equipped with sealed lid, the fixed intelligent panel that is provided with in front end of heating cabinet.
Preferably, the limit frame mechanism comprises three vertical sliding rods, a top disc is fixedly arranged between the tops of the three vertical sliding rods, a bottom disc is fixedly arranged between the bottoms of the three vertical sliding rods, the middle of the top disc is fixedly connected with an output shaft of the servo motor, and the bottom of the bottom disc is rotationally connected to the bottom of an inner cavity of the accommodating cover.
Preferably, the main shaft rod assembly comprises a main shaft rod, the main shaft rod is rotationally connected between the upper wall and the lower wall of the inner cavity of the heating box, a square piston cavity is formed in the upper portion of the main shaft rod, a buffer cavity is formed in the bottom of the main shaft rod, the square piston cavity is communicated with the inside of the buffer cavity, and a plurality of connecting short pipes communicated with the buffer cavity are uniformly and fixedly arranged on the outer wall of the main shaft rod.
Preferably, the movable disc assembly comprises square piston blocks, the square piston blocks are in sliding connection between the inner walls of the square piston cavities, connecting rods are fixedly arranged at the tops of the square piston blocks, the tops of the connecting rods penetrate through the inside of the chassis in a sliding mode and are fixedly provided with bearing discs, the tops of the three vertical sliding rods are sleeved with sliding sleeves of the bearing discs, arc-shaped bottom blocks are fixedly arranged on the left sides of the tops of the bearing discs, arc-shaped grooves are formed in the right sides of the tops of the bearing discs, arc-shaped wear plates are fixedly arranged in the arc-shaped grooves, first springs are sleeved on the outer portions of the connecting rods and fixedly connected between the tops of the square piston blocks and the top walls of the square piston cavities.
Preferably, the liquid injection rod assembly comprises a hollow rod, the hollow rod is rotationally connected to one end of the corresponding connecting short pipe, a third one-way valve is fixedly arranged on one side, close to the connecting short pipe, of the hollow rod, and a lantern ring is fixedly sleeved in the middle of the hollow rod.
Preferably, a plurality of arc-shaped blades are uniformly and fixedly arranged on the outer wall of the lantern ring in a circle, a plurality of subdivision support rod assemblies are fixedly arranged on the outer wall of the hollow rod and positioned on two sides of the lantern ring, and the subdivision support rod assemblies are spirally distributed outside the hollow rod.
Preferably, each subdivision support rod assembly comprises subdivision support rods, a plurality of through holes are uniformly formed in a circle of the subdivision support rods away from the outer wall of the hollow rod, anti-blocking blocks are arranged in the subdivision support rods in a sliding mode, the anti-blocking blocks are fixedly connected with the subdivision support rods away from the inner wall of the hollow rod through second springs, and the hollow rod is in a communicating state with the subdivision support rods.
The invention also provides a swelling and foaming method of the lightweight PVC material trousers, which adopts the swelling and foaming device of the lightweight PVC material trousers, and the specific method comprises the following steps:
Step one, a sealing cover on a feeding pipe is opened, PVC raw material particles of light-weight type trousers are fed into a heating box through the feeding pipe, an electric heating wire in the heating box is electrified, the electric heating wire is electrified to generate heat, the PVC raw material particles are heated and melted into a liquid state, then a first electromagnetic valve is opened, a servo motor is started to drive a limiting frame mechanism to rotate, a movable disc assembly rotates along with the limiting frame mechanism, a main shaft rod assembly and a plurality of liquid injection rod assemblies are driven to rotate, and the movable disc assembly is pushed to reciprocate up and down under the action of an arc-shaped jacking block in the rotating process of the movable disc assembly;
Pumping the liquid foaming agent in the foaming agent storage box into the buffer cavity through the liquid through pipe in the upward moving process of the movable disc assembly, pushing the liquid foaming agent in the buffer cavity into the corresponding hollow rod through each connecting short pipe in the downward moving process of the movable disc assembly, finally extruding the liquid foaming agent into the molten PVC raw material through each subdivision supporting rod assembly, repeatedly injecting the liquid foaming agent into the molten PVC raw material for a small amount of times in such a way, closing the first electromagnetic valve, opening the second electromagnetic valve, pumping gas in the heating box through the ventilation bent pipe in the upward moving process of the liquid injection rod assembly, pumping the gas into the buffer cavity, pushing the gas in the buffer cavity into the corresponding hollow rod through each connecting short pipe in the downward moving process of the movable disc assembly, finally extruding the gas into the mixed liquid through each subdivision supporting rod assembly, and promoting the gasification reaction of the liquid foaming agent;
Step three, in-process annotate liquid pole subassembly and revolve along with the main shaft pole subassembly, stir and mix liquid foaming agent and the molten PVC raw materials in the heating cabinet, arc blade receives the reverse effort of molten liquid and rotates, drive the cavity pole and accomplish the rotation, because a plurality of subdivision branch subassemblies are the heliciform and distribute in the outside of cavity pole, annotate liquid pole subassembly at the in-process of rotation, a plurality of subdivision branch subassemblies mutually support, promote the liquid foaming agent on every side of keeping away from the main shaft pole subassembly, ensure liquid foaming agent evenly distributed in whole molten PVC raw materials, accomplish the foaming, in the in-process of letting in gas, ensure that gas evenly disperses in the mixed liquid, form evenly distributed's bubble.
Preferably, the top of the ventilation elbow is fixedly communicated with the right side of the top of the heating box, and the bottom of the ventilation elbow is fixedly communicated with the upper right side of the liquid pipe.
The invention provides a swelling foaming device and a swelling foaming method for a pair of lightweight PVC (polyvinyl chloride) trousers. Compared with the prior art, the method has the following beneficial effects:
1. A swelling foaming device and method for light PVC trousers are disclosed, which comprises a main shaft rod assembly, a movable disc assembly, a liquid injection rod assembly and an arc-shaped top block, wherein the servo motor drives a multifunctional rod mechanism to rotate, the liquid foaming agent in a foaming agent storage box can be pumped into a heating box for a small amount and a plurality of times automatically, and is discharged through each through-hole, the liquid foaming agent is uniformly injected into the molten PVC raw material from a plurality of positions, the liquid foaming agent is prevented from being concentrated at one position to form a lump, the liquid injection rod assembly is rotated by the reverse acting force of the molten liquid in the process, the surrounding liquid foaming agent is pushed to one side far away from the main shaft rod assembly in time, so that the liquid foaming agent can be rapidly dispersed into each position of the molten PVC raw material, the rapid mixing of the liquid foaming agent and the molten PVC raw material is ensured, and the stirring and mixing time is shortened.
2. According to the swelling foaming device and the swelling foaming method for the lower trousers made of the light PVC materials, through the mutual matching among the ventilation bent pipe, the ventilation liquid pipe, the second electromagnetic valve and the second one-way valve, after the liquid foaming agent with the required quantity is injected into the heating box, the first electromagnetic valve is closed, the second electromagnetic valve is opened, so that the multifunctional rod mechanism is enabled to be in a rotating process, hot air in the heating box is enabled to be re-introduced into mixed liquid through the ventilation bent pipe, the liquid foaming agent can be enabled to be gasified, the mixing speed of the liquid foaming agent and the molten PVC materials can be accelerated, gas is enabled to be evenly dispersed in the mixed liquid, evenly distributed bubbles are formed, good foaming effect is guaranteed, the quality of the lower trousers is enabled to be more stable and consistent, and the subsequent bonding and coating operation are facilitated.
3. A swelling foaming device and method for light PVC trousers are disclosed, wherein the device comprises a limiting frame mechanism, an arc top block, a square piston block and an arc bottom block, wherein the arc top block and the arc bottom block interact with each other in the process of driving a multifunctional rod mechanism to rotate by a servo motor, so that a movable disc assembly can reciprocate up and down, the effect of pumping liquid foaming agent and hot air is achieved, a driving mechanism is not required, and energy is saved.
4. A swelling foaming device and method for a pair of light-weight PVC trousers are provided, wherein through the mutual cooperation among a subdivision support rod, a through hole, a second spring and anti-blocking blocks, when the anti-blocking blocks are not subjected to external acting force, the anti-blocking blocks are positioned at positions capable of sealing the through hole, molten PVC raw materials are prevented from entering the subdivision support rod, and normal use of the subdivision support rod assembly is ensured.
5. A swelling foaming device and a swelling foaming method for a pair of sewer trousers made of light PVC materials can reduce friction between an arc top block, an arc bottom block and an arc wear-resisting sheet due to the arrangement of antifriction balls, and can prevent the antifriction balls from directly contacting with the surface of a bearing disc to protect the bearing disc.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a cross-sectional perspective view of the present invention;
FIG. 3 is an enlarged view of a portion of the invention at A in FIG. 2;
FIG. 4 is a perspective view of a stop mechanism of the present invention;
FIG. 5 is a bottom perspective view of the arcuate roof block of the present invention;
FIG. 6 is a perspective view of the multi-function lever mechanism of the present invention;
FIG. 7 is an exploded view of the multi-function lever mechanism of the present invention;
FIG. 8 is a cross-sectional perspective view of the main shaft assembly of the present invention;
FIG. 9 is an exploded view of the removable disk assembly of the present invention;
FIG. 10 is a perspective view of a liquid injection bar assembly of the present invention;
FIG. 11 is a perspective view of a hollow rod of the present invention;
FIG. 12 is a perspective view of an arcuate blade according to the present invention;
figure 13 is an exploded view of a finely divided strut assembly of the present invention.
In the figure: 1. a heating box; 2. a housing cover; 3. a motor box; 4. a servo motor; 5. a limit frame mechanism; 51. a vertical sliding rod; 52. a top plate; 53. a chassis; 6. a multi-functional lever mechanism; 61. a spindle shaft assembly; 611. a main shaft lever; 612. square piston cavity; 613. a buffer cavity; 614. a connecting short pipe; 62. a movable tray assembly; 621. square piston blocks; 622. a connecting rod; 623. a carrying tray; 624. an arc-shaped bottom block; 625. arc wear-resisting piece; 626. a first spring; 63. a liquid injection rod assembly; 631. a hollow rod; 632. a third one-way valve; 633. subdividing a strut assembly; 6331. subdividing the support rod; 6332. a through port; 6333. a second spring; 6334. anti-blocking blocks; 634. a collar; 635. an arc-shaped blade; 7. an arc-shaped top block; 8. antifriction balls; 9. a liquid pipe; 10. a blowing agent storage tank; 11. a ventilation elbow; 12. a thermal insulation cover; 13. a first electromagnetic valve; 14. a first one-way valve; 15. a second electromagnetic valve; 16. a second one-way valve; 17. a discharge pipe; 18. a third electromagnetic valve; 19. a feeding pipe; 20. a liquid injection pipe; 21. an intelligent panel.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention provides two technical schemes:
A first embodiment is shown in fig. 1-2 and 6: a lightweight PVC material swelling and foaming device for a pair of pants, comprising:
The heating box 1 is internally fixedly provided with an electric heating wire for heating and melting PVC raw material particles of light-weight trousers, the top of the heating box 1 is fixedly provided with a containing cover 2, the top of the containing cover 2 is fixedly provided with a motor box 3, the top of the containing cover 2 is fixedly provided with a servo motor 4 positioned in the motor box 3, an output shaft of the servo motor 4 penetrates through the top wall of the containing cover 2 and is fixedly provided with a limit frame mechanism 5, the middle of the bottom of the heating box 1 is fixedly provided with a liquid passing pipe 9, the bottom of the liquid passing pipe 9 is fixedly provided with a foaming agent storage box 10, the right side of the heating box 1 is fixedly provided with a heat preservation cover 12, the inside of the heat preservation cover 12 is fixedly provided with a ventilation elbow 11, the lower part of the liquid passing pipe 9 is fixedly provided with a first electromagnetic valve 13 positioned below the ventilation elbow 11, the lower part of the ventilation elbow 9 is fixedly provided with a first one-way valve 14 positioned below the first electromagnetic valve 13, the bottom of the ventilation elbow 11 is fixedly provided with a second electromagnetic valve 15, the bottom of the ventilation elbow 11 is fixedly provided with a second one-way valve 16 positioned on the right side of the second electromagnetic valve 15, and the left side of the ventilation elbow 1 is fixedly provided with a feeding pipe 19;
the multifunctional rod mechanism 6 is used for injecting a liquid foaming agent into the heating box 1 and stirring and mixing the liquid foaming agent and the molten PVC raw material;
The multifunctional rod mechanism 6 comprises a main shaft rod assembly 61, a movable disc assembly 62 penetrates through the top of the main shaft rod assembly 61 in a sliding manner, and a plurality of liquid injection rod assemblies 63 are uniformly arranged on the outer wall of the main shaft rod assembly 61 in a rotating manner;
the arc kicking block 7 is used for pushing the movable disc assembly 62 to complete up-and-down reciprocating motion, and a plurality of antifriction balls 8 are uniformly arranged on the side wall of the arc kicking block 7 in a rotating manner.
Through mutually supporting between main shaft pole subassembly 61, movable disk subassembly 62, annotate liquid pole subassembly 63 and the arc kicking block 7, servo motor 4 drive multi-functional pole mechanism 6 pivoted in-process, can be automatic with the liquid foaming agent in the foaming agent bin 10a small amount of multiple suction advance in heating cabinet 1, discharge through each through-hole 6332, evenly inject into in the molten PVC raw materials from a plurality of positions, avoid liquid foaming agent to concentrate in one place and form the lump form, in-process annotate liquid pole subassembly 63 receives the reverse effort of molten liquid and autorotation, promote the liquid foaming agent in time to the one side of keeping away from main shaft pole subassembly 61, make liquid foaming agent in time disperse in each position of molten PVC raw materials, ensure the quick mix of liquid foaming agent and molten PVC raw materials, shorten the time of stirring and mixing, through the mutual cooperation between ventilation bend 11, lead to liquid pipe 9, second solenoid valve 15 and the second check valve 16, after the liquid foaming agent of required quantity is poured into in to heating cabinet 1, close first solenoid valve 13, open second solenoid valve 15, make multi-functional pole mechanism 6 in time in the heat the bend pipe 11 in the time receive the reverse effort of molten liquid foaming agent and the air, make the even mix effect of the liquid foaming agent take place in the time of the uniform mixture in the temperature distribution of the temperature of the liquid foaming agent in the bend 1, can also promote the foaming agent in the air of the even mix effect, the liquid foaming agent in the temperature distribution in the temperature, the air of the air can take place, the air better mix effect of the foam in the temperature, and the air in the temperature of the foaming agent, and the air in the air, after the foaming agent is better the air evenly mix in the temperature, and the air.
The second embodiment is shown in fig. 3-5 and fig. 7-13, and differs from the first embodiment mainly in that: the utility model provides a swelling foaming device of light-weight PVC's lower trousers, the bottom of lead to liquid pipe 9 is located the inner chamber lower part of foaming agent bin 10, the bottom left side of heating cabinet 1 is fixed and is provided with discharge pipe 17, the upper portion of discharge pipe 17 is fixed and is provided with third solenoid valve 18, the top right side of foaming agent bin 10 is fixed and is provided with notes liquid pipe 20, the equal thread bush in top of feeding pipe 19 and notes liquid pipe 20 is equipped with sealed lid, the front end of heating cabinet 1 is fixed and is provided with intelligent panel 21, spacing mechanism 5 includes three vertical slide bar 51, fixedly be provided with roof plate 52 between the top of three vertical slide bar 51, fixedly be provided with chassis 53 between the bottom of three vertical slide bar 51, the output shaft fixed connection of servo motor 4 in the middle of the top of roof plate 52, the bottom rotation of chassis 53 is connected on the inner chamber bottom of holding cover 2, spindle bar assembly 61 includes main axostylus axostyle 611, the main shaft rod 611 is rotationally connected between the upper wall and the lower wall of the inner cavity of the heating box 1, the square piston cavity 612 is arranged at the upper part of the main shaft rod 611, the buffer cavity 613 is arranged at the bottom of the main shaft rod 611, the square piston cavity 612 is communicated with the inside of the buffer cavity 613, a plurality of connection short pipes 614 communicated with the buffer cavity 613 are uniformly and fixedly arranged on the outer wall of the main shaft rod 611, the movable disc assembly 62 comprises square piston blocks 621, the square piston blocks 621 are slidingly connected between the inner walls of the square piston cavity 612, the top of the square piston blocks 621 is fixedly provided with a connecting rod 622, the top of the connecting rod 622 is slidingly penetrated through the inside of the chassis 53 and fixedly provided with a bearing disc 623, the bearing disc 623 is slidingly sleeved between the outside of the three vertical sliding rods 51, an arc-shaped bottom block 624 is fixedly arranged at the left side of the top of the bearing disc 623, an arc-shaped groove is arranged at the right side of the top of the bearing disc 623, an arc-shaped wear-resistant disc 625 is fixedly arranged inside the arc-shaped groove, the outside cover of connecting rod 622 is equipped with first spring 626, first spring 626 fixed connection is between square piston block 621's top and square piston cavity 612's roof, annotate liquid pole subassembly 63 includes hollow pole 631, hollow pole 631 rotates the one end of connecting the nozzle stub 614 that corresponds, hollow pole 631 is close to the fixed third check valve 632 that is provided with in one side of connecting the nozzle stub 614, the fixed cover in middle part of hollow pole 631 is equipped with the lantern ring 634, the outer wall round of lantern ring 634 is evenly fixed and is provided with a plurality of arc blades 635, the outer wall of hollow pole 631 just is located the both sides of lantern ring 634 and all is fixedly provided with a plurality of subdivision branch subassemblies 633, a plurality of subdivision branch subassemblies 633 are the outside of spiral distribution at hollow pole 631, every subdivision branch subassembly 633 all includes subdivision branch 6331, a plurality of through holes 6332 have been evenly seted up to the outer wall round of hollow pole 631 is kept away from to subdivision branch 6331, the inside slip of subdivision branch 6331 is provided with prevents stifled piece 6334, keep away from between the inner wall of hollow pole 631 through second spring 6333 fixed connection between the inside of hollow pole 631 and the inside of subdivision branch 6331 is in the intercommunication state.
Through the mutually supporting between spacing mechanism 5, arc kicking block 7, square piston 621 and the arc bottom block 624, servo motor 4 drive multi-functional pole mechanism 6 pivoted in-process, arc kicking block 7 and the interaction of arc bottom block 624 just enable movable disk subassembly 62 to accomplish reciprocating motion from top to bottom, realize taking out liquid state foaming agent and hot air's effect, need not to add actuating mechanism again, the energy saving, through the cooperation between subdivision branch 6331, opening 6332, second spring 6333 and anti-blocking block 6334, when anti-blocking block 6334 does not receive external effort, anti-blocking block 6334 is in the position that can seal opening 6332, avoid melting PVC raw materials to get into in the subdivision branch 6331, guarantee the normal use of subdivision branch subassembly 633, antifriction ball 8's setting can reduce the friction between arc kicking block 7 and arc bottom block 624 and the arc wear pad 625, antifriction ball 8's surface contact with the bearing disk 623 directly, play the guard action to the bearing disk 623.
The embodiment of the invention also provides a swelling and foaming method for the lightweight PVC (polyvinyl chloride) trousers, which adopts a swelling and foaming device for the lightweight PVC trousers, and comprises the following steps:
Step one, opening a sealing cover on a feeding pipe 19, feeding PVC raw material particles of light-weight trousers into the heating box 1 through the feeding pipe 19, electrifying an electric heating wire in the heating box 1, electrifying the electric heating wire to generate heat, heating and melting the PVC raw material particles, melting into a liquid state, then opening a first electromagnetic valve 13, starting a servo motor 4, driving a limiting frame mechanism 5 to rotate, and enabling a movable disc assembly 62 to gradually move upwards under the elastic action of a first spring 626, wherein the square piston block 621 can drive a main shaft rod assembly 61 and a plurality of liquid injection rod assemblies 63 to rotate due to the special shape of the square piston block 621, and the square piston block 621 can slide along the inner part of a square piston cavity 612 in the vertical direction, the arc bottom block 624 can slowly pass through the lower part of the arc top block 7 in the rotating process and realize superposition with the arc top block 7 in the vertical direction, then is separated, and the arc top block 7 is contacted with the arc bottom block 624, and then the arc top block 7 pushes the movable disc assembly 62 to move downwards in the whole, and then the movable disc assembly 62 gradually returns to the original position under the elastic action of the first spring 626, so that the whole is repeatedly moved upwards, and the movable disc assembly 62 rotates along with the side of the square piston block 61 and the reciprocating movement along the direction along the inner side of the square piston cavity 612, wherein the whole height of the arc bottom block is higher than the whole height of the arc bottom 7;
Step two, sucking the liquid foaming agent in the foaming agent storage tank 10 in the process of moving up the movable disc assembly 62, sucking the liquid foaming agent into the buffer cavity 613 through the liquid passing pipe 9, pushing the liquid foaming agent in the buffer cavity 613 into the corresponding hollow rod 631 through each connection short pipe 614 in the process of moving down the movable disc assembly 62, finally entering each subdivision supporting rod assembly 633, extruding the liquid foaming agent by the anti-blocking block 6334 to the side far away from the main shaft 611, moving to enable the through holes 6332 to be exposed, finally extruding the liquid foaming agent through each through hole 6332, injecting the molten PVC raw material, when the anti-blocking block 6334 is not subjected to external force, putting the anti-blocking block 6334 in a position capable of sealing the through holes 6332, avoiding that the molten PVC raw material enters the subdivision supporting rod 6331 through the through holes 6332, repeatedly, automatically injecting the liquid foaming agent into the molten PVC raw material a small amount of time, closing the first electromagnetic valve 13, opening the second electromagnetic valve 15, and when the liquid injection rod assembly 63 moves up, sucking the gas into the corresponding hollow rod assembly 633 through the bent pipe 11, sucking the gas into the hollow rod 613 through the suction box 1, and extruding the gas into the corresponding hollow rod 631 in the process of moving down the buffer cavity 631;
Step three, in-process annotate liquid pole subassembly 63 revolves along with main shaft pole subassembly 61, stir and mix liquid foaming agent and the molten PVC raw materials in the heating cabinet 1, arc blade 635 receives the reverse effort of molten liquid and rotates, drive hollow pole 631 and accomplish the rotation, because a plurality of subdivision branch subassemblies 633 are the heliciform and distribute in the outside of hollow pole 631, annotate liquid pole subassembly 63 is at the in-process of rotation, a plurality of subdivision branch subassemblies 633 mutually support, promote the liquid foaming agent in the surrounding to the one side of keeping away from main shaft pole subassembly 61, ensure that liquid foaming agent evenly distributed is in whole molten PVC raw materials, accomplish the foaming, in the in-process of letting in gas, ensure that gas evenly disperses in the mixed liquid, form evenly distributed's bubble.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a lightweight PVC material's trousers swelling foaming device that descends, its characterized in that includes:
The heating box is internally fixedly provided with an electric heating wire for heating and melting PVC raw material particles of light-weight trousers, the top of the heating box is fixedly provided with a containing cover, the top of the containing cover is fixedly provided with a motor box, the top of the containing cover is fixedly provided with a servo motor positioned in the motor box, an output shaft of the servo motor penetrates through the top wall of the containing cover and is fixedly provided with a limiting frame mechanism, a liquid passing pipe is fixedly arranged in the middle of the bottom of the heating box, the bottom of the liquid passing pipe is fixedly provided with a foaming agent storage box, the right side of the heating box is fixedly provided with a heat preservation cover, the inside of the heat preservation cover is fixedly penetrated with a ventilation bent pipe, the lower part of the liquid passing pipe is fixedly provided with a first electromagnetic valve positioned below the ventilation bent pipe, the lower part of the liquid passing pipe is fixedly provided with a first one-way valve positioned below the first electromagnetic valve, the bottom of the ventilation bent pipe is fixedly provided with a second electromagnetic valve, the bottom of the ventilation is fixedly provided with a second one-way valve positioned on the right side of the second electromagnetic valve, and the left side of the heating box is fixedly provided with a feeding pipe;
The multifunctional rod mechanism is used for injecting a liquid foaming agent into the heating box and stirring and mixing the liquid foaming agent and the molten PVC raw material;
The multifunctional rod mechanism comprises a main shaft rod assembly, wherein the top of the main shaft rod assembly is penetrated by a movable disc assembly in a sliding way, and a plurality of liquid injection rod assemblies are uniformly arranged on the outer wall of the main shaft rod assembly in a rotating way;
The arc-shaped jacking block is used for pushing the movable disc assembly to complete up-and-down reciprocating motion, and a plurality of antifriction balls are uniformly arranged on the side wall of the arc-shaped jacking block in a rotating manner;
The bottom end of the liquid passing pipe is positioned at the lower part of the inner cavity of the foaming agent storage box, a discharge pipe is fixedly arranged at the left side of the bottom of the heating box, a third electromagnetic valve is fixedly arranged at the upper part of the discharge pipe, a liquid injection pipe is fixedly arranged at the right side of the top of the foaming agent storage box, sealing covers are respectively sleeved on the tops of the liquid feeding pipe and the liquid injection pipe in a threaded manner, and an intelligent panel is fixedly arranged at the front end of the heating box;
The limiting frame mechanism comprises three vertical sliding rods, a top disc is fixedly arranged between the tops of the three vertical sliding rods, a bottom disc is fixedly arranged between the bottoms of the three vertical sliding rods, the middle of the top disc is fixedly connected with an output shaft of the servo motor, and the bottom of the bottom disc is rotatably connected to the bottom of an inner cavity of the accommodating cover;
the main shaft rod assembly comprises a main shaft rod, the main shaft rod is rotationally connected between the upper wall and the lower wall of an inner cavity of the heating box, a square piston cavity is formed in the upper portion of the main shaft rod, a buffer cavity is formed in the bottom of the main shaft rod, the square piston cavity is communicated with the inside of the buffer cavity, and a plurality of connecting short pipes communicated with the buffer cavity are uniformly and fixedly arranged on the outer wall of the main shaft rod;
The movable disc assembly comprises square piston blocks, the square piston blocks are connected between the inner walls of the square piston cavities in a sliding mode, connecting rods are fixedly arranged at the tops of the square piston blocks, the tops of the connecting rods penetrate through the inside of the chassis in a sliding mode and are fixedly provided with bearing discs, the bearing discs are sleeved between the outer parts of the three vertical sliding rods in a sliding mode, arc-shaped bottom blocks are fixedly arranged on the left sides of the tops of the bearing discs, arc-shaped grooves are formed in the right sides of the tops of the bearing discs, arc-shaped wear plates are fixedly arranged in the arc-shaped grooves, first springs are sleeved on the outer parts of the connecting rods, and the first springs are fixedly connected between the tops of the square piston blocks and the top wall of the square piston cavities;
Annotate liquid pole subassembly and include the cavity pole, the cavity pole rotates to be connected in the one end that corresponds the linking nozzle stub, the cavity pole is close to the fixed third check valve that is provided with in one side that links up the nozzle stub, the fixed cover in middle part of cavity pole is equipped with the lantern ring, the outer wall round of lantern ring evenly fixedly is provided with a plurality of arc blades, the outer wall of cavity pole just is located the both sides of lantern ring and all fixedly is provided with a plurality of subdivision branch subassemblies, a plurality of subdivision branch subassembly is the heliciform and distributes in the outside of cavity pole.
2. The swelling and foaming device for the pants of light-weight PVC material according to claim 1, wherein: every subdivision branch subassembly all includes subdivision branch, a plurality of openings have evenly been seted up to the outer wall round that the hollow pole was kept away from to subdivision branch, the inside slip of subdivision branch is provided with prevents the jam, prevent between the inner wall that the hollow pole was kept away from to jam and subdivision branch through second spring fixed connection, be in the intercommunication state between the inside of hollow pole and the inside of a plurality of subdivision branches.
3. A swelling and foaming method for a pair of light-weight PVC trousers is characterized by comprising the following steps: a swelling and foaming device for a pair of pants with lightweight PVC according to claim 1, comprising the steps of:
Step one, a sealing cover on a feeding pipe is opened, PVC raw material particles of light-weight type trousers are fed into a heating box through the feeding pipe, an electric heating wire in the heating box is electrified, the electric heating wire is electrified to generate heat, the PVC raw material particles are heated and melted into a liquid state, then a first electromagnetic valve is opened, a servo motor is started to drive a limiting frame mechanism to rotate, a movable disc assembly rotates along with the limiting frame mechanism, a main shaft rod assembly and a plurality of liquid injection rod assemblies are driven to rotate, and the movable disc assembly is pushed to reciprocate up and down under the action of an arc-shaped jacking block in the rotating process of the movable disc assembly;
Pumping the liquid foaming agent in the foaming agent storage box into the buffer cavity through the liquid through pipe in the upward moving process of the movable disc assembly, pushing the liquid foaming agent in the buffer cavity into the corresponding hollow rod through each connecting short pipe in the downward moving process of the movable disc assembly, finally extruding the liquid foaming agent into the molten PVC raw material through each subdivision supporting rod assembly, repeatedly injecting the liquid foaming agent into the molten PVC raw material for a small amount of times in such a way, closing the first electromagnetic valve, opening the second electromagnetic valve, pumping gas in the heating box through the ventilation bent pipe in the upward moving process of the liquid injection rod assembly, pumping the gas into the buffer cavity, pushing the gas in the buffer cavity into the corresponding hollow rod through each connecting short pipe in the downward moving process of the movable disc assembly, finally extruding the gas into the mixed liquid through each subdivision supporting rod assembly, and promoting the gasification reaction of the liquid foaming agent;
Step three, in-process annotate liquid pole subassembly and revolve along with the main shaft pole subassembly, stir and mix liquid foaming agent and the molten PVC raw materials in the heating cabinet, arc blade receives the reverse effort of molten liquid and rotates, drive the cavity pole and accomplish the rotation, because a plurality of subdivision branch subassemblies are the heliciform and distribute in the outside of cavity pole, annotate liquid pole subassembly at the in-process of rotation, a plurality of subdivision branch subassemblies mutually support, promote the liquid foaming agent on every side of keeping away from the main shaft pole subassembly, ensure liquid foaming agent evenly distributed in whole molten PVC raw materials, accomplish the foaming, in the in-process of letting in gas, ensure that gas evenly disperses in the mixed liquid, form evenly distributed's bubble.
4. A method for swelling and foaming a pair of lightweight PVC pants according to claim 3, wherein: the top of the ventilation elbow is fixedly communicated with the right side of the top of the heating box, and the bottom of the ventilation elbow is fixedly communicated with the upper right side of the liquid ventilation pipe.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410223736.9A CN117817937B (en) | 2024-02-29 | 2024-02-29 | Swelling and foaming device and method for lightweight PVC (polyvinyl chloride) trousers |
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| CN202410223736.9A CN117817937B (en) | 2024-02-29 | 2024-02-29 | Swelling and foaming device and method for lightweight PVC (polyvinyl chloride) trousers |
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| CN117817937B true CN117817937B (en) | 2024-05-10 |
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| CN213699644U (en) * | 2020-11-09 | 2021-07-16 | 昆明金沙人化工有限责任公司 | Foaming agent solution preparation device |
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| CN117001918A (en) * | 2023-08-14 | 2023-11-07 | 安徽快洛科技有限公司 | Foaming equipment for one-step foaming process of foamed plastic and production process thereof |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN213699644U (en) * | 2020-11-09 | 2021-07-16 | 昆明金沙人化工有限责任公司 | Foaming agent solution preparation device |
| CN216756026U (en) * | 2021-12-20 | 2022-06-17 | 江西国泰七零九科技有限公司 | Automatic batching device for emulsion explosive foaming agent |
| CN115282822A (en) * | 2022-09-06 | 2022-11-04 | 山东鸣海防水集团有限公司 | Root puncture-resistant spraying quick-setting liquid rubber HO waterproof coating and preparation device thereof |
| CN117001918A (en) * | 2023-08-14 | 2023-11-07 | 安徽快洛科技有限公司 | Foaming equipment for one-step foaming process of foamed plastic and production process thereof |
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