CN114953317A

CN114953317A - Automation equipment and process for producing tara bud complete set latex product

Info

Publication number: CN114953317A
Application number: CN202210345500.3A
Authority: CN
Inventors: 孙明虎
Original assignee: Jiangsu Gangze Intelligent Equipment Co ltd
Current assignee: Jiangsu Gangze Intelligent Equipment Co ltd
Priority date: 2022-03-31
Filing date: 2022-03-31
Publication date: 2022-08-30

Abstract

The invention relates to the technical field of latex product production, and particularly discloses automatic equipment and a process for producing a tara bud complete set latex product, wherein the equipment comprises a foaming machine, a pressing machine, a mould, a vacuum generator, a refrigerating unit and a heating unit, wherein a manipulator is arranged between the foaming machine and the pressing machine, a through pipe is arranged between the vacuum generator and the pressing machine, and a flowmeter and a stirrer are arranged on the foaming machine; the system adopts full closed loop control, the temperature, the pressure, the flow and the time are analyzed and controlled by a computer in the whole process, and the stability of the quality of the produced product is ensured; after the die is closed, a vacuum generator and a through pipe are used for vacuumizing the die through a vacuum groove, latex expands under the action of vacuum to completely fill the whole die, and at the moment, an internal auxiliary semi-permeable paper rope can exhaust air in the die and prevent latex foam from flowing into the vacuum groove; meanwhile, the thickness of the boss at the die cavity and the paper groove is reduced by 2-3 mm, the whole thickness is reduced by 0.3mm, so that the flash is small, and manual cleaning is reduced.

Description

Automatic device and process for producing tara bud complete set of emulsion products

Technical Field

The invention relates to the technical field of latex product production, in particular to automatic equipment and a process for producing a tara bud complete set latex product.

Background

Two main latex product production processes in the existing market are tara bud method and danlupu method. The manufacturing process of the tara bud process latex product is in a semi-automatic state, and the manufacturing process comprises the following steps: batching, mixing and stirring, injection molding, vacuumizing, freezing, solidifying, cooking and vulcanizing, cooling, demolding, dehydrating, washing, drying, inspecting and the like. However, the manufacturing process is complex, labor-consuming and high in cost, and the following problems are caused:

1. when the tara bud process latex product is manufactured, a special aluminum mould is needed to shape the latex product, generally, latex is poured into the mould, then the mould is vacuumized, so that the whole mould is filled with the latex, and the quality of the latex product is ensured.

2. When the latex product is prepared by the tala bud process, the mould is a specially-made aluminum mould, a large number of nails are arranged in the cavity of the upper mould and the cavity of the lower mould, heat is conducted to the center of the latex, cooking and vulcanization are facilitated, the nails are carved and milled by a whole piece of aluminum, the smoothness is poor, the product is not easy to demould, and the product is easy to tear during demoulding;

3. when the latex product is prepared by the tara bud process, heat conduction oil needs to pass through an s-shaped circulation channel at the bottom of a mould, the mould is frozen by circulation of an inlet and an outlet, and then is steamed and vulcanized, the temperature is changed between minus 35 ℃ and 110 ℃, but an aluminum mould is easy to deform to cause latex leakage, which has adverse effect on the stability of the quality of the latex product, is adverse to the sealing of an oil path of the mould and is easy to leak oil.

Based on the above, the invention designs an automatic device and process for producing tara bud complete set latex products, so as to solve the problems.

Disclosure of Invention

The invention provides automatic equipment and a process for producing a tara bud complete set of latex products, which solve the problems of uneven latex distribution, easy generation of flash, inconvenient cleaning, inconvenient demoulding, easy leakage of latex, poor sealing performance of a mould oil way and easy oil leakage in the production of the existing latex products in the prior art.

The technical scheme of the invention is realized as follows: a tara bud complete set emulsion product production automation equipment comprises a foaming machine, a press, a mould, a vacuum generator, a refrigerating unit and a heating unit, wherein a mechanical arm is arranged between the foaming machine and the press, a through pipe is arranged between the vacuum generator and the press, and a flowmeter and a stirrer are arranged on the foaming machine;

the auxiliary materials are metered by a flow meter arranged on a foaming machine, so that the precision is higher, the formula is determined according to different weights of latex products, the weight is constant, and the product quality is more stable; latex that stirs through the mixer that sets up in the foaming machine carries out the injection molding through the manipulator, and the mould inner chamber is reinforced more evenly, has avoided artifical injection molding can cause local piling up, problem that the goods quality is influenced.

The press comprises an upper platform, a lower platform, guide pillars, an upper die and a lower die, wherein the guide pillars are symmetrically arranged between the upper platform and the lower platform, the upper platform is connected to the guide pillars through a sliding block in a sliding manner, the bottom of the upper platform is fixedly connected with the upper die, the top of the lower platform is fixedly connected with the lower die, nails are arranged on the upper die and the lower die, and the press adopts a plug-in integrated system and an industrial control system which adopts a PLC control system;

the press adopts a plug-in integrated system, so that the leakage point is reduced; the manual operation design of the control panel is more reasonable and convenient, and the PLC control system adopted by the industrial control system is more reliable in action, stable in pressure, long in service life, more perfect and safer in operation than a common control system; the motor and the oil pump are made of well-known brands, the original package is low in noise and high in performance, the heat protection function is achieved, and the service life of the motor is prolonged; the guide post is made of 45# steel, and the surface of the guide post is plated with hard chrome; the slide block moves up and down by means of the guide pillar, the guide pillar sleeve is an oil-free lubrication bearing, friction is reduced, the guide pillar is prevented from being damaged by pulling, product quality is improved, and the service life is prolonged.

The refrigerating unit comprises a cold oil tank and a low-temperature oil tank, the heating unit comprises a normal-temperature oil tank and a hot oil tank, the tops and the side bottoms of the cold oil tank, the low-temperature oil tank, the normal-temperature oil tank and the hot oil tank are respectively provided with an upper pipeline interface and a lower pipeline interface, upper pipelines are arranged between the four upper pipeline interfaces and the lower die, and lower pipelines are arranged between the four lower pipeline interfaces and the lower die; four go up the pipeline interface with all be equipped with the pipeline between going up the mould, four down the pipeline interface with all be equipped with down the pipeline between going up the mould.

Furthermore, a touch screen is arranged on the upper platform, the touch screen is electrically connected with the press, and the press further comprises a carbon dioxide gas tank.

The touch screen is arranged for man-machine conversation, the corresponding required temperature is adjusted according to different formulas through the design of the man-machine conversation touch screen, parameters can be modified, the production process can be adjusted, and the automatic control production process of different latex products can be realized; after the mould is closed, the carbon dioxide gas is filled into the mould by the carbon dioxide gas tank and flows through the frozen block gel, so that the latex foam is solidified.

Further, be equipped with the mould die cavity in the lower mould, the nail sets up the inside of mould die cavity, the inside of lower mould is equipped with seal groove, vacuum tank and paper groove, the inside of seal groove is provided with first O type circle, the inside in vacuum tank is equipped with the vacuum mouth, the inside in paper groove is equipped with the paper rope.

The nail has double functions, namely, the nail helps to conduct heat to the center of the latex block, and latex foam is a poor heat conductor and is not beneficial to heat transfer, and meanwhile, a nail hole which is beneficial to drying in a later-stage process is formed; through a through pipe arranged between a vacuum generator and a press, after die assembly, the vacuum generator and the through pipe are utilized to vacuumize a die through a vacuum groove, latex expands under the action of vacuum to completely fill the whole die, and at the moment, an auxiliary semipermeable paper rope in the die can exhaust air in the die and prevent latex foam from flowing into the vacuum groove; a first O-shaped ring is placed in the sealing groove, sealing is guaranteed when the upper die and the lower die are matched, and the sealing material is made of high-temperature and low-temperature resistant fluororubber.

Furthermore, the side of going up mould and lower mould is provided with screens board and screens base respectively through the bolt all around, be equipped with the draw-in groove on the screens base, all be equipped with the fixed orifices on screens board and the screens base, fixed orifices and bolt looks adaptation, four the screens board respectively with four the screens base passes through the draw-in groove joint.

The clamping plate is just inserted into the clamping groove of the clamping base when the upper die and the lower die are closed, so that the deformation of the aluminum die is hardly influenced by the high temperature and the low temperature of the die, the die is accurately positioned, and the leakage or oil leakage of latex caused by the deformation of the die is effectively prevented.

Further, the bottom of going up mould and lower mould all is fixed with the apron through flanged face bolt, the bottom of apron is equipped with the fixed strip, the apron with be equipped with second O type circle between the fixed strip, flanged face bolt with be equipped with the red copper pad between the apron, go up mould and lower mould and all be equipped with third O type circle between the apron, be equipped with the steel wire swivel nut on the flanged face bolt.

The upper die and the lower die are both provided with cover plates and connected through bolts, the bolts are sealed through a three-layer sealing structure, and oil leakage caused by cracking due to temperature change of the welded cover plates is effectively avoided.

Further, the four upper pipelines are respectively provided with a pneumatic ball valve A1, a pneumatic ball valve A2, a pneumatic ball valve A3 and a pneumatic ball valve A4, and the four lower pipelines are respectively provided with a pneumatic ball valve B1, a pneumatic ball valve B2, a pneumatic ball valve B3 and a pneumatic ball valve B4.

Furthermore, temperature control systems are arranged on the cold oil tank, the low-temperature oil tank, the normal-temperature oil tank and the hot oil tank.

The heat conducting oil in the cold oil tank, the low temperature oil tank, the normal temperature oil tank and the hot oil tank is subjected to temperature control on the corresponding oil tank temperature respectively by a refrigerating unit and a heating unit through temperature control systems, and the four temperature control systems and the corresponding pneumatic ball valve B1, pneumatic ball valve B2, pneumatic ball valve B3 and pneumatic ball valve B4 are automatically adjusted according to the temperature change of the side.

A latex product production process of tara bud complete set latex product production automation equipment comprises the following steps:

step S1: adding auxiliary materials into the latex, mixing and stirring; preparing latex and auxiliary materials, metering the latex and the auxiliary materials by using a flow meter arranged on a foaming machine, accurately formulating, simultaneously adding the latex and the auxiliary materials into the foaming machine, and uniformly mixing and stirring the latex and the auxiliary materials by using a stirrer in the foaming machine;

step S2: injection molding; injecting the uniformly mixed latex and auxiliary materials into the lower die according to a specified amount through a manipulator, wherein the upper platform can move up and down and is used for opening and closing the upper die and the lower die of the die;

the problem of flash of products is solved in the injection molding process: a. the thickness of the boss at the die cavity and the paper groove is set to be 2-3 mm, and the thickness of the boss is integrally reduced by 0.3mm, so that the flash is small and basically no treatment is needed; b. the heights of the bosses at the paper groove and the vacuum groove are reduced by 0.3mm, and the number of vacuum suction ports is increased, so that vacuum suction is uniform, latex is uniformly distributed, and the quality of a product is uniform and stable.

Step S3: vacuumizing; after the die is closed, the die is vacuumized through the vacuum groove by using the through pipe arranged between the vacuum generator and the press, latex expands under the action of vacuum to completely fill the whole die, and the semi-permeable paper rope arranged in the paper groove in the lower die can exhaust air in the die to prevent latex foam from flowing into the vacuum groove;

step S4: freezing and solidifying by carbon dioxide; opening a pneumatic ball valve A3 while vacuumizing to enable heat conducting oil in the low-temperature oil tank to circulate in an S-shaped oil way at the bottom of the upper die and the lower die at the temperature of-35 ℃, and freezing the dies to freeze the latex foam to about-35 ℃; the carbon dioxide gas is flushed by a carbon dioxide gas tank to flow through the frozen block gel, so that the latex foam is solidified;

step S5: cooking and vulcanizing; after the gelation is finished, closing the pneumatic ball valve A3, opening the pneumatic ball valve A1 to enable the heat conducting oil in the cold oil tank to circulate in the S-shaped oil paths at the bottom of the upper die and the lower die at 20 ℃, after the cold die is finished, closing the pneumatic ball valve A1, opening the pneumatic ball valve A2 to enable the heat conducting oil in the normal-temperature oil tank to circulate in the S-shaped oil paths at the bottom of the upper die and the lower die at 40 ℃, after the die reaches the normal temperature, closing the pneumatic ball valve A2, opening the pneumatic ball valve A4 to enable the heat conducting oil in the hot oil tank to circulate in the S-shaped oil paths at the bottom of the upper die and the lower die at 110 ℃, keeping the die for several minutes, and enabling the high temperature to cause rubber vulcanization and endow the product with normal rebound resilience;

step S6: cooling; then sequentially introducing normal temperature oil and cold temperature oil into the die for cooling; adjusting the corresponding required temperature according to different formulas through the design of a man-machine interaction touch screen;

step S7: demolding; after the mould is cooled, the upper platform moves upwards to separate the upper mould from the lower mould, the latex product is demoulded, and the latex product is taken out;

the problem that the latex product is difficult to demould in the demoulding process is solved: a. the nail planting is adopted, and the inner cavity of the die and the nail hole are directly processed and then polished to achieve the effect of a mirror surface; b. after the nail is processed, the independent polishing treatment is carried out, so that the smoothness of the surface contacting the latex product is improved to 0.8; c. under the condition of not influencing the quality of the latex product, the mold stripping taper of the mold is increased, and the mold stripping is easier; d. the inner cavity of the die is anodized, so that the wear resistance, hardness and corrosion resistance are improved, and the service life of the die is prolonged.

Step S8: dehydrating, washing, drying, inspecting, grading and warehousing; and (4) after demolding, conveying to the next conveying line process, including the processes of dehydration, washing and drying, and finally after the inspection is qualified, packaging and warehousing after the classification treatment.

Compared with the prior art, the invention has the beneficial effects that:

1. the system adopts full closed loop control, and the whole process of temperature, pressure, flow and time is analyzed and controlled by a computer, so that the stability of the quality of the produced product is ensured; after the die is closed, a vacuum generator and a through pipe are utilized to vacuumize the die through a vacuum groove, latex expands under the action of vacuum to completely fill the whole die, and then an auxiliary semi-permeable paper rope in the die can exhaust air in the die and prevent latex foam from flowing into the vacuum groove; simultaneously, the thickness of the boss at the die cavity and the paper groove is reduced by 2-3 mm, the whole height is reduced by 0.3mm, so that the flash is small, manual cleaning is reduced, the height of the boss at the paper groove and the vacuum groove is reduced by 0.3mm, the number of vacuum suction ports is increased, uniform vacuum suction is realized, the latex is uniformly distributed, and the product quality is uniform and stable.

2. By replacing the upper die and the lower die with the planting nails, the inner cavity and the nail holes of the die are directly processed and then the inner cavity is polished, so that the mirror surface effect is achieved; after the nail is processed, the independent polishing treatment is carried out, so that the smoothness of the surface contacting the latex product is improved to 0.8; under the condition of not influencing the quality of the latex product, the mold stripping taper of the mold is increased, and the mold stripping is easier; the inner cavity of the die is anodized, so that the wear resistance, hardness and corrosion resistance are improved, and the service life of the die is prolonged.

3. When the upper die and the lower die are assembled, the clamping plate is just inserted into the clamping groove of the clamping base, so that the deformation of the aluminum die is hardly influenced by the high temperature and the low temperature of the die, the aluminum die is accurately positioned, and the leakage of latex or oil caused by the deformation of the die is effectively prevented; meanwhile, the upper die and the lower die are both provided with cover plates and connected through bolts, the bolts are sealed through a three-layer sealing structure, and oil leakage caused by cracking due to temperature change of the welded cover plates is effectively avoided.

Of course, it is not necessary for any one product that embodies the invention to achieve all of the above advantages simultaneously.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

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

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

FIG. 3 is a schematic view of a partial structure of a lower mold of the present invention;

FIG. 4 is a schematic structural view of the locking plate and the locking base of the present invention;

FIG. 5 is a schematic view of a partial structure of the upper or lower die and the cover plate, the bolt with flange face and the fixing strip according to the present invention;

FIG. 6 is a process flow diagram of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1-foaming machine, 2-press, 201-upper platform, 202-lower platform, 203-guide post, 204-upper mold, 205-lower mold, 206-nail, 207-touch screen, 208-carbon dioxide gas tank, 209-mold cavity, 210-seal groove, 211-vacuum groove, 212-paper groove, 213-vacuum port, 214-clamping plate, 215-clamping base, 216-fixing hole, 217-bolt with flange surface, 218-cover plate, 219-fixing strip, 220-second O-ring, 221-red copper pad, 222-third O-ring, 223-steel wire thread sleeve, 3-vacuum generator, 4-refrigeration unit, 401-cold oil tank, 402-low temperature oil tank, 5-heating unit, 501-normal temperature oil tank, 502-hot oil tank, 6-temperature control system.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, the present invention has the following embodiments.

A tara bud complete set latex product production automation equipment comprises a foaming machine 1, auxiliary materials are metered by a flow meter arranged on the foaming machine 1, the accuracy is higher, the formula is determined according to different latex product weights, the weight is constant, and the product quality is more stable; latex that stirs through the mixer that sets up in the foaming machine 1 is moulded the mould through the manipulator, and the mould inner chamber is reinforced more evenly, has avoided artifical injection moulding can cause local piling up, problem that the goods quality is influenced.

The press 2 comprises an upper platform 201, a lower platform 202, guide columns 203, an upper die 204 and a lower die 205, the guide columns 203 are symmetrically arranged between the upper platform 201 and the lower platform 202, the upper platform 201 is connected to the guide columns 203 through sliding blocks in a sliding mode, the bottom of the upper platform 201 is fixedly connected with the upper die 204, the top of the lower platform 202 is fixedly connected with the lower die 205, nails 206 are arranged on the upper die 204 and the lower die 205, and the press 2 adopts a plug-in integrated system and an industrial control system and adopts a PLC control system;

the press 2 adopts a plug-in integrated system, so that the leakage point is reduced; the manual operation design of the control panel is more reasonable and convenient, and the PLC control system adopted by the industrial control system is more reliable in action, stable in pressure, long in service life, more perfect and safer in operation than a common control system; the motor and the oil pump are made of well-known brands, the original package is low in noise and high in performance, the heat protection function is realized, and the service life of the motor is longer; the guide post 203 is made of 45# steel, and the surface of the guide post is plated with hard chrome; the slider relies on the guide pillar 203 to make up-and-down motion, and the guide pillar 203 cover reduces frictional force for oil-free lubrication bearing, avoids pulling the guide pillar 203, improves product quality, extension guarantee life.

Specifically, the upper platform 201 is provided with a touch screen 207, the touch screen 207 is electrically connected with the press 2, and the press 2 further comprises a carbon dioxide gas tank 208.

The touch screen 207 is arranged for man-machine conversation, the corresponding required temperature is adjusted according to different formulas through the design of the man-machine conversation touch screen, parameters can be modified, the production process can be adjusted, and the automatic control production process of different latex products can be realized; after closing the mold, carbon dioxide gas is flushed into the interior of the press 2 by means of the carbon dioxide gas tank 208 through the frozen block gel, causing the latex foam to "set".

Specifically, a mold cavity 209 is arranged in the lower mold 205, the nail 206 is arranged in the mold cavity 209, a sealing groove 210, a vacuum groove 211 and a paper groove 212 are arranged in the lower mold 205, a first O-ring is arranged in the sealing groove 210, a vacuum port 213 is arranged in the vacuum groove 211, and a paper rope is arranged in the paper groove 212.

The nail 206 is provided to have a dual function, one is to help conduct heat to the center of the latex block, since latex foam is a poor conductor of heat, which is not conducive to heat transfer, while forming a nail hole that is conducive to drying in later stages; through the through pipe arranged between the vacuum generator 3 and the press 2, after die assembly, the vacuum generator 3 and the through pipe are utilized to vacuumize the die through the vacuum groove 211, latex expands under the action of vacuum to completely fill the whole die, and at the moment, an internal auxiliary semi-permeable paper rope can remove air in the die and prevent latex foam from flowing into the vacuum groove 211; a first O-ring is placed in the sealing groove 210 to ensure sealing when the upper and lower dies are matched, and the sealing material is made of high and low temperature resistant fluororubber.

Specifically, the sides of the upper die 204 and the lower die 205 are respectively provided with a clamping plate 214 and a clamping base 215 through bolts, the clamping base 215 is provided with a clamping groove, the clamping plate 214 and the clamping base 215 are respectively provided with a fixing hole 216, the fixing holes 216 are matched with the bolts, and the four clamping plates 214 are respectively clamped with the four clamping bases 215 through the clamping grooves.

When the upper die 204 and the lower die 205 are assembled, the clamping plate 214 is just inserted into the clamping groove of the clamping base 215, so that the deformation of the aluminum die is hardly influenced by the high temperature and the low temperature of the die, the aluminum die is accurately positioned, and the leakage of latex or oil caused by the deformation of the die is effectively prevented.

Specifically, the bottom of the upper die 204 and the bottom of the lower die 205 are both fixed with a cover plate 218 through bolts 217 with flange faces, the bottom of the cover plate 218 is provided with a fixing strip 219, a second O-ring 220 is arranged between the cover plate 218 and the fixing strip 219, a red copper pad 221 is arranged between the bolts 217 with flange faces and the cover plate 218, third O-rings 222 are arranged between the upper die 204 and the lower die 205 and the cover plate 218, and steel wire thread sleeves 223 are arranged on the bolts 217 with flange faces.

The upper die 204 and the lower die 205 are both provided with the cover plate 218 and are connected by bolts, and the bolts are sealed by adopting a three-layer sealing structure, so that oil leakage caused by cracking when the temperature of the welded cover plate changes is effectively avoided.

A manipulator is arranged between the foaming machine 1 and the press 2, a through pipe is arranged between the vacuum generator 3 and the press 2, and a flowmeter and a stirrer are arranged on the foaming machine 1.

The vacuum generator 3 and the refrigerating unit 4, wherein the refrigerating unit 4 comprises a cold oil tank 401 and a low-temperature oil tank 402.

The heating unit 5 comprises a normal-temperature oil tank 501 and a hot oil tank 502, the tops and the bottoms of the side surfaces of the cold oil tank 401, the low-temperature oil tank 402, the normal-temperature oil tank 501 and the hot oil tank 502 are respectively provided with an upper pipeline connector and a lower pipeline connector, upper pipelines are arranged between the four upper pipeline connectors and the lower die 205, and lower pipelines are arranged between the four lower pipeline connectors and the lower die 205; the upper pipelines are arranged between the four upper pipeline interfaces and the upper die 204, and the lower pipelines are arranged between the four lower pipeline interfaces and the upper die 204.

Specifically, the four upper pipelines are respectively provided with a pneumatic ball valve A1, a pneumatic ball valve A2, a pneumatic ball valve A3 and a pneumatic ball valve A4, and the four lower pipelines are respectively provided with a pneumatic ball valve B1, a pneumatic ball valve B2, a pneumatic ball valve B3 and a pneumatic ball valve B4.

Specifically, the cold oil tank 401, the low-temperature oil tank 402, the normal-temperature oil tank 501 and the hot oil tank 502 are all provided with a temperature control system 6.

The heat conducting oil in the cold oil tank 401, the low-temperature oil tank 402, the normal-temperature oil tank 501 and the hot oil tank 502 is subjected to temperature control on the corresponding oil tank temperature respectively by the refrigerating unit 4 and the heating unit 5 through the temperature control system 6, and the four temperature control systems 6 and the corresponding pneumatic ball valve B1, pneumatic ball valve B2, pneumatic ball valve B3 and pneumatic ball valve B4 are automatically adjusted according to the temperature change of the side.

step S1: adding auxiliary materials into the latex, mixing and stirring; preparing latex and auxiliary materials, metering the latex and the auxiliary materials by using a flow meter arranged on a foaming machine 1, accurately formulating, simultaneously adding the latex and the auxiliary materials into the foaming machine 1, and uniformly mixing and stirring the latex and the auxiliary materials by using a stirrer in the foaming machine 1;

step S2: injection molding; injecting the uniformly mixed latex and auxiliary materials into the lower die 205 according to a specified amount through a manipulator, wherein the upper platform 201 can move up and down and is used for opening and closing the upper die 204 and the lower die 205 of the die, after the latex part fills the lower die 205, the upper platform 201 moves down, the four clamping plates 214 are respectively inserted into the clamping grooves of the four clamping bases 215, and the precise positioning is realized, so that the latex leakage or oil leakage caused by the deformation of the die is effectively prevented, and the closing of the upper die 204 and the lower die 205 is realized;

the problem of flash of products is solved in the injection molding process: a. the thickness of the boss at the positions of the die cavity 209 and the paper groove 212 is set to be 2-3 mm, and the thickness of the whole boss is reduced by 0.3mm, so that the flash is small and basically does not need to be processed; b. the heights of the bosses at the paper groove 212 and the vacuum groove 211 are reduced by 0.3mm, and the number of vacuum suction ports is increased, so that vacuum suction is uniform, latex is uniformly distributed, and the quality of products is uniform and stable.

Step S3: vacuumizing; after the die is closed, the vacuum groove 211 of the die is vacuumized by a through pipe arranged between the vacuum generator 3 and the press 2, latex expands under the action of vacuum to completely fill the die, and semi-permeable paper ropes arranged in the paper groove 212 in the lower die 205 can remove air in the die to prevent latex foam from flowing into the vacuum groove 211;

step S4: freezing and solidifying by carbon dioxide; opening a pneumatic ball valve A3 while vacuumizing to enable heat conducting oil in the low-temperature oil tank 402 to circulate in S-shaped oil paths at the bottom of the upper die 204 and the lower die 205 at the temperature of-35 ℃, and freezing the dies to freeze latex foam to about-35 ℃; the carbon dioxide gas is flushed through the frozen and agglomerated gel by using a carbon dioxide gas tank 208, so that the latex foam is solidified;

step S5: cooking and vulcanizing; after the gelation is finished, closing the pneumatic ball valve A3, opening the pneumatic ball valve A1 to enable the heat conducting oil in the cold oil tank 401 to circulate in the S-shaped oil passages at the bottoms of the upper die 204 and the lower die 205 at 20 ℃, after the cold die is finished, closing the pneumatic ball valve A1, opening the pneumatic ball valve A2 to enable the heat conducting oil in the normal-temperature oil tank 501 to circulate in the S-shaped oil passages at the bottoms of the upper die 204 and the lower die 205 at 40 ℃, after the die reaches the normal temperature, closing the pneumatic ball valve A2, opening the pneumatic ball valve A4 to enable the heat conducting oil in the hot oil tank 502 to circulate in the S-shaped oil passages at the bottoms of the upper die 204 and the lower die 205 at 110 ℃ for a plurality of minutes, and enabling the high temperature to cause rubber vulcanization to endow the product with normal resilience;

step S6: cooling; then sequentially introducing normal temperature oil and cold temperature oil into the die for cooling; the corresponding required temperature is adjusted according to different formulas through the design of a man-machine interaction touch screen 207;

step S7: demolding; after the mold is cooled, the upper platform 201 moves upwards to separate the upper mold 204 from the lower mold 205, the latex product is demolded, and the latex product is taken out;

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The automatic production equipment for the tara bud complete set of latex products is characterized by comprising a foaming machine (1), a pressing machine (2), a die, a vacuum generator (3), a refrigerating unit (4) and a heating unit (5), wherein a manipulator is arranged between the foaming machine (1) and the pressing machine (2), a through pipe is arranged between the vacuum generator (3) and the pressing machine (2), and a flow meter and a stirring machine are arranged on the foaming machine (1);

the press (2) comprises an upper platform (201), a lower platform (202), guide pillars (203), an upper die (204) and a lower die (205), the guide pillars (203) are symmetrically arranged between the upper platform (201) and the lower platform (202), the upper platform (201) is connected to the guide pillars (203) in a sliding mode through sliders, the upper die (204) is fixedly connected to the bottom of the upper platform (201), the lower die (205) is fixedly connected to the top of the lower platform (202), nails (206) are arranged on the upper die (204) and the lower die (205), and the press (2) adopts a plug-in integrated system and a PLC control system as an industrial control system;

the refrigeration unit (4) comprises a cold oil tank (401) and a low-temperature oil tank (402), the heating unit (5) comprises a normal-temperature oil tank (501) and a hot oil tank (502), the tops and the lateral bottoms of the cold oil tank (401), the low-temperature oil tank (402), the normal-temperature oil tank (501) and the hot oil tank (502) are respectively provided with an upper pipeline connector and a lower pipeline connector, upper pipelines are arranged between the four upper pipeline connectors and the lower die (205), and lower pipelines are arranged between the four lower pipeline connectors and the lower die (205); four go up the pipeline interface with all be equipped with the pipeline between last mould (204), four down the pipeline interface with all be equipped with down the pipeline between last mould (204).

2. The tara bud set of emulsion product production automation equipment according to claim 1, characterized in that a touch screen (207) is provided on the upper platform (201), the touch screen (207) is electrically connected with the press (2), and the press (2) further comprises a carbon dioxide gas tank (208).

3. The automatic tara bud set emulsion product production equipment as claimed in claim 2, wherein a mold cavity (209) is arranged in the lower mold (205), the nail (206) is arranged inside the mold cavity (209), a sealing groove (210), a vacuum groove (211) and a paper groove (212) are arranged inside the lower mold (205), a first O-shaped ring is arranged inside the sealing groove (210), a vacuum port (213) is arranged inside the vacuum groove (211), and a paper rope is arranged inside the paper groove (212).

4. The automatic tara bud set emulsion product production equipment according to claim 3, wherein the sides of the upper die (204) and the lower die (205) are respectively provided with a clamping plate (214) and a clamping base (215) by bolts, the clamping base (215) is provided with clamping grooves, the clamping plate (214) and the clamping base (215) are respectively provided with a fixing hole (216), the fixing holes (216) are matched with the bolts, and the four clamping plates (214) are respectively clamped with the four clamping bases (215) by the clamping grooves.

5. The automatic tara bud set emulsion product production equipment according to claim 4, wherein the bottom of the upper die (204) and the bottom of the lower die (205) are both fixed with a cover plate (218) through a flanged face bolt (217), the bottom of the cover plate (218) is provided with a fixing strip (219), a second O-ring (220) is arranged between the cover plate (218) and the fixing strip (219), a red copper pad (221) is arranged between the flanged face bolt (217) and the cover plate (218), a third O-ring (222) is arranged between the upper die (204) and the bottom of the lower die (205) and the cover plate (218), and a steel wire thread sleeve (223) is arranged on the flanged face bolt (217).

6. The tare set emulsion product production automation of claim 1 wherein four of the upper conduits are provided with pneumatic ball valve a1, pneumatic ball valve a2, pneumatic ball valve A3 and pneumatic ball valve a4 respectively, and four of the lower conduits are provided with pneumatic ball valve B1, pneumatic ball valve B2, pneumatic ball valve B3 and pneumatic ball valve B4 respectively.

7. The automated tara bud unit emulsion product production facility of claim 6, wherein the cold oil tank (401), the low temperature oil tank (402), the normal temperature oil tank (501) and the hot oil tank (502) are each provided with a temperature control system (6).

8. The process for producing latex articles in an automated tara bud set latex article production facility of any of claims 1-7, comprising the steps of:

step S1: adding auxiliary materials into the latex, mixing and stirring; preparing latex and auxiliary materials, metering the latex and the auxiliary materials by using a flow meter arranged on a foaming machine (1), accurately formulating, simultaneously adding the latex and the auxiliary materials into the foaming machine (1), and uniformly mixing and stirring the latex and the auxiliary materials by using a stirrer in the foaming machine (1);

step S2: injection molding; injecting the uniformly mixed latex and auxiliary materials into a lower die (205) according to a specified amount through a manipulator, enabling an upper platform (201) to move up and down for opening and closing the upper die (204) and the lower die (205) of the die, moving the upper platform (201) down after the latex is partially filled in the lower die (205), respectively inserting four clamping plates (214) into clamping grooves of four clamping bases (215), accurately positioning, effectively preventing the latex from leaking or leaking oil caused by die deformation, and closing the upper die (204) and the lower die (205);

the problem of flash of products is solved in the injection molding process: a. the thickness of the boss at the die cavity (209) and the paper groove (212) is set to be 2-3 mm, and the thickness of the boss is integrally reduced by 0.3mm, so that the flash is small and basically does not need to be processed; b. the heights of the bosses at the paper groove (212) and the vacuum groove (211) are integrally reduced by 0.3mm, and the number of vacuum suction ports is increased, so that vacuum is uniformly sucked, the latex is uniformly distributed, and the product quality is uniform and stable.

Step S3: vacuumizing; after the die is closed, the vacuum groove (211) of the die is vacuumized by a through pipe arranged between a vacuum generator (3) and a press (2), latex expands under the action of vacuum to completely fill the die, and a semi-permeable paper rope arranged in a paper groove (212) in a lower die (205) can remove air in the die and prevent latex foam from flowing into the vacuum groove (211);

step S4: freezing and solidifying by carbon dioxide; opening a pneumatic ball valve A3 while vacuumizing to enable heat conducting oil in the low-temperature oil tank (402) to circulate in S-shaped oil paths at the bottom of the upper die (204) and the lower die (205) at the temperature of-35 ℃, and freezing the dies to freeze latex foam to about-35 ℃; the carbon dioxide gas is flushed through the frozen and agglomerated gel by using a carbon dioxide gas tank (208) to solidify the latex foam;

step S5: cooking and vulcanizing; after gelation is finished, closing the pneumatic ball valve A3, opening the pneumatic ball valve A1 to enable heat conduction oil in the cold oil tank (401) to circulate in S-shaped oil paths at the bottom of the upper die (204) and the lower die (205) at the temperature of 20 ℃, after the cold die is finished, closing the pneumatic ball valve A1, opening the pneumatic ball valve A2 to enable heat conduction oil in the normal-temperature oil tank (501) to circulate in S-shaped oil paths at the bottom of the upper die (204) and the lower die (205) at the temperature of 40 ℃, after the die reaches the normal temperature, closing the pneumatic ball valve A2, opening the pneumatic ball valve A4 to enable heat conduction oil in the hot oil tank (502) to circulate in S-shaped oil paths at the bottom of the upper die (204) and the lower die (205), heating the die to 110 ℃, keeping for several minutes, and enabling rubber vulcanization to be caused by high temperature, so that normal rebound resilience is given to the product;

step S6: cooling; then sequentially introducing normal temperature oil and cold temperature oil into the die for cooling; the corresponding required temperature is adjusted according to different formulas through the design of a man-machine conversation touch film screen (207);

step S7: demolding; after the mold is cooled, the upper platform (201) moves upwards to separate the upper mold (204) from the lower mold (205), the latex product is demolded, and the latex product is taken out;