CN113043619B - System for manufacturing polyurethane condom by wet method - Google Patents
System for manufacturing polyurethane condom by wet method Download PDFInfo
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- CN113043619B CN113043619B CN202110139662.7A CN202110139662A CN113043619B CN 113043619 B CN113043619 B CN 113043619B CN 202110139662 A CN202110139662 A CN 202110139662A CN 113043619 B CN113043619 B CN 113043619B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C69/00—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore
- B29C69/02—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore of moulding techniques only
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
- B29C37/0003—Discharging moulded articles from the mould
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
- B29C37/0092—Drying moulded articles or half products, e.g. preforms, during or after moulding or cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
- B29C41/02—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of definite length, i.e. discrete articles
- B29C41/14—Dipping a core
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
- B29C41/02—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of definite length, i.e. discrete articles
- B29C41/22—Making multilayered or multicoloured articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
- B29C67/0044—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 for shaping edges or extremities
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
- C08K3/36—Silica
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2075/00—Use of PU, i.e. polyureas or polyurethanes or derivatives thereof, as moulding material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/753—Medical equipment; Accessories therefor
- B29L2031/7538—Condoms
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Moulding By Coating Moulds (AREA)
Abstract
The invention discloses a system for manufacturing a polyurethane condom by a wet method, which comprises a crawler, a slide rail, a die, a soaking system, a curling system, a demoulding system and a demoulding system. The track and the slide rail are both annular, and the track is arranged right above the slide rail. A plurality of connecting rods are hinged to the track, the connecting rods are hinged to a sliding barrel, the sliding barrel is sleeved on the sliding rail, a motor is arranged on the sliding barrel, and the motor is connected with the die body. And a soaking system, a crimping system, a demoulding system and a demoulding system are arranged below the sliding rail. The mould body is soaked for multiple times in the soaking system, and multiple emulsions form a multilayer film structure on the mould body, so that the sealing property of a product can be effectively ensured; in addition, the motor drives the die body to rotate, so that the emulsion can be uniformly attached to the surface of the die body in the soaking process of the die body, and the thickness of a product is uniform.
Description
Technical Field
The invention relates to the technical field of condom production, in particular to a system for manufacturing a polyurethane condom by a wet method.
Background
The condom is one of simple ways to prevent conception in non-medicine form, and also has the function of preventing the transmission of gonorrhea, AIDS and other venereal diseases. Condom material is usually a long strip of film made of natural rubber or polyurethane for wrapping the penis, vagina or anus, which is closed at one end and usually contains a space formed by protrusions for storing ejaculate. As a contraceptive, the condom is convenient to use and has no side effect compared with other contraceptive methods.
The polyurethane material is a synthetic material and has the characteristics of high strength, high compactness, biocompatibility and the like. Compared with the traditional natural latex condom, the polyurethane condom can be thinner, has higher strength and is not allergic.
However, the demoulding process of the existing polyurethane condom production equipment is difficult, special equipment is required to be used, labor is consumed, and the production efficiency is low.
Therefore, there is a need to develop a condom production system that can solve the above problems.
Disclosure of Invention
The invention aims to provide a system for manufacturing a polyurethane condom by a wet method.
The technical scheme adopted for achieving the aim of the invention is that the system for manufacturing the polyurethane condom by the wet method comprises a track, a slide rail, a mould, a soaking system, a crimping system, a demoulding system and a demoulding system.
The whole confined loop configuration that is of slide rail, slide rail include circular arc section X1, circular arc section Y1, straightway I and tortuous section I, and circular arc section X1 and circular arc section Y1 are all horizontal to be set up and the opening is relative, and the both ends of straightway I are connected to circular arc section X1 and circular arc section Y1's tip respectively, and the both ends of tortuous section I are connected to circular arc section X1 and circular arc section Y1's tip respectively.
The zigzag section I comprises a soaking section A1, a crimping section B1, a demoulding section C1 and a demoulding section D1, wherein the soaking section A1 comprises N soaking units I, and N is more than or equal to 2. The soaking unit I comprises a connecting section a1, a connecting section b1, a connecting section c1 and a connecting section d1, wherein the connecting section b1 is horizontally arranged, the connecting section a1 and the connecting section c1 are respectively connected to two ends of the connecting section b1, one end, away from the connecting section b1, of the connecting section a1 inclines upwards, and one end, away from the connecting section b1, of the connecting section c1 inclines upwards and is connected with the connecting section d 1.
The connecting section a1 of the first soaking unit I is connected with the circular arc section X1, the connecting section a1 of the next soaking unit I is connected with the connecting section d1 of the previous soaking unit I, and N soaking units I are connected in series.
The crimping section B1 comprises a connecting section e1 and a connecting section f1, one end of the connecting section e1 is connected with the connecting section d1 of the Nth soaking unit I, and the other end of the connecting section e1 is inclined upwards and connected with the horizontal connecting section f 1. The support track is horizontally arranged on the outer side of the connecting section f1 and is lower than the connecting section f1, the support track comprises an engaging track and a linear track, the linear track is parallel to the connecting section f1, one end, close to the connecting section e1, of the linear track is connected with the engaging track, and one end, far away from the linear track, of the engaging track extends to the position right below the connecting section f 1.
The demoulding section C1 comprises a connecting section g1, a connecting section h1, a connecting section i1 and a connecting section j1, one end of the connecting section g1 is connected with the connecting section f1, and the other end of the connecting section g1 inclines downwards and is connected with the horizontal connecting section h 1. One end of the connecting section i1 is connected with the connecting section h1, and the other end is inclined upwards and connected with the horizontal connecting section j 1.
The demolding section D1 is horizontally arranged, one end of the demolding section D1 is connected with the connecting section j1, and the other end of the demolding section D1 is connected with the circular arc section Y1.
The whole crawler is of a closed annular structure and is arranged right above the sliding rail, the crawler comprises an arc section X2, an arc section Y2, a straight line section II and a bent section II, the arc section X2, the arc section Y2 and the straight line section II are respectively consistent with the arc section X1, the arc section Y1 and the straight line section I in size, the arc section X2 and the arc section Y2 are horizontally arranged, openings of the arc section X3526 and the arc section Y2 are opposite, two ends of the straight line section II are respectively connected to the end portions of the arc section X2 and the arc section Y2, and two ends of the bent section II are respectively connected to the end portions of the arc section X2 and the arc section Y2.
The zigzag section II comprises a soaking section A2, a crimping section B2, a demoulding section C2 and a demoulding section D2, the soaking section A2 comprises N soaking units II, each soaking unit II comprises a connecting section a2, a connecting section B2, a connecting section C2 and a connecting section D2, the connecting section B2 is horizontally arranged, the connecting section a2 and the connecting section C2 are respectively connected to two ends of the connecting section B2, one end, away from the connecting section B2, of the connecting section a2 inclines upwards, and one end, away from the connecting section B2, of the connecting section C2 inclines upwards and is connected with the connecting section D2.
The connecting section a2 of the first soaking unit II is connected with the circular arc section X2, the connecting section a2 of the next soaking unit II is connected with the connecting section d2 of the previous soaking unit II, and N soaking units II are connected in series.
The crimping section B2 is horizontally arranged and connected with the connecting section d2 of the Nth soaking unit II.
The stripping section C2 comprises a connecting section g2, a connecting section h2, a connecting section i2 and a connecting section j2, wherein one end of the connecting section g2 is connected with the crimping section B2, and the other end of the connecting section g2 is inclined downwards and is connected with the horizontal connecting section h 2. One end of the connecting section i2 is connected with the connecting section h2, and the other end is inclined upwards and connected with the horizontal connecting section j 2.
The demolding section D2 is horizontally arranged, one end of the demolding section D2 is connected with the connecting section j2, and the other end of the demolding section D2 is connected with the circular arc section Y2.
The distance between the arc section X1 and the arc section X2, the distance between the arc section Y1 and the arc section Y2, the distance between the straight line section I and the straight line section II, the distance between the soaking section A1 and the soaking section A2, the distance between the demolding section C1 and the demolding section C2, and the distance between the demolding section D1 and the demolding section D2 are all E, the distance between the connecting section F1 of the crimping section B1 and the crimping section B2 is F, and E is more than F and more than 0.
The mould includes mould body, connector, slide cartridge, connecting rod I and connecting rod II, and equidistant a plurality of connecting rods I of arranging articulate to the lower surface of track, and the lower extreme of every connecting rod I articulates there is connecting rod II, and the lower extreme of every connecting rod II articulates there is the slide cartridge.
The sliding barrel sleeves are arranged on the sliding rails, a motor is installed on one side, deviating from the connecting rod II, of each sliding barrel, and an output shaft of each motor is connected with a connector.
Every the surface of connector all be provided with support track assorted annular spout, the one end that the motor was kept away from to the connector is connected with the mould body.
Soaking system includes soaking pond I and stoving case I, and N soaking pond I is placed respectively under N linkage segment b1, and N stoving case I is placed respectively under N linkage segment d 1.
The crimping system comprises a rubber roller, the rubber roller is arranged on one side, facing away from the connecting section f1, of the supporting track and is higher than the supporting track, and the axis of the rubber roller is parallel to the connecting section f 1.
The demolding system comprises a soaking pool II and a drying box II, wherein the soaking pool II is placed under the connecting section h1, and the drying box II is placed under the connecting section j 1.
The demolding system comprises a high-pressure water pipe, a plurality of nozzles and a storage box, wherein the high-pressure water pipe is parallel to the demolding section D1, the high-pressure water pipe is arranged on the outer side of the demolding section D1 and is lower than the demolding section D1, the plurality of nozzles are arranged on one side, facing the sliding rail, of the high-pressure water pipe, and the plurality of nozzles are arranged at equal intervals along the length direction of the high-pressure water pipe. The storage bin is disposed directly below the knockout section D1.
Furthermore, the soaking pool I and the soaking pool II are both in inverted prismatic table shapes.
Further, still include stoving case III, stoving case III is located straightway I under.
Further, stoving case I, stoving case II and stoving case III are the rectangle box, and the upper end of stoving case I, stoving case II and stoving case III all is uncovered form, and stoving case I all is uncovered form with linkage segment d1 vertically both sides, and stoving case II all is uncovered form with linkage segment j1 vertically both sides, and stoving case III all is uncovered form with I vertically both sides of straightway.
Further, the lower surface of the rubber roller rotates in a direction away from the slide rail.
Furthermore, the bent part of the crawler belt is in smooth transition, and the bent part of the slide rail is in smooth transition.
Further, the upper end of bin is uncovered, and the lateral wall and the bottom of bin all are provided with a plurality of holes of permeating water.
Furthermore, polyurethane emulsion is filled in each soaking pool I, and swelling agent is filled in each soaking pool II.
The invention has the advantages that the high-pressure water pipe and the spray head are arranged, the high-efficiency wet water demoulding process can be adopted, and the labor cost is saved; in addition, the mould body is soaked for multiple times in the soaking system, and multiple emulsions form a multilayer film structure on the mould body, so that the sealing property of a product can be effectively ensured; simultaneously, drive mould body rotation through the motor, ensure that the mould body is at the soaking in-process, emulsion can evenly be attached to mould body surface, ensure that the product thickness is even.
Drawings
FIG. 1 is a schematic view of a track and a skid;
FIG. 2 is a schematic view of meander I and meander II;
FIG. 3 is a distribution diagram of a soaking system, a crimping system, a stripping system and a stripping system;
FIG. 4 is a three-dimensional view of the soaking system;
FIG. 5 is a three-dimensional view of the release system;
FIG. 6 is a three-dimensional view of a hemming system;
FIG. 7 is a three-dimensional view of a demolding system;
fig. 8 is a schematic view of a mold.
In the figure: track 1, slide rail 2, mould 3, mould body 301, connector 302, slide cartridge 303, connecting rod I304, connecting rod II 305, support track 4, motor 5, fermentation vat I6, stoving case I7, rubber roller 8, fermentation vat II 9, stoving case II 10, high pressure water pipe 11, shower nozzle 12 and bin 13.
Detailed Description
The present invention is further illustrated by the following examples, but it should not be construed that the scope of the above-described subject matter is limited to the following examples. Various substitutions and alterations can be made without departing from the technical idea of the invention and the scope of the invention is covered by the present invention according to the common technical knowledge and the conventional means in the field.
Example 1:
the embodiment discloses a system for manufacturing a polyurethane condom by a wet method, which comprises a crawler 1, a slide rail 2, a mould 3, a soaking system, a curling system, a demoulding system, a drying box III.
The whole confined loop configuration that is of slide rail 2, slide rail 2 include circular arc section X1, circular arc section Y1, straightway I and tortuous section I, and circular arc section X1 and circular arc section Y1 are all set up horizontally and the opening is relative, and the both ends of straightway I are connected to circular arc section X1 and circular arc section Y1's tip respectively, and the both ends of tortuous section I are connected to circular arc section X1 and circular arc section Y1's tip respectively.
Drying case III is located straightway I under, and drying case III is the rectangle box, and drying case III's upper end is uncovered form, and drying case III all is uncovered form with I vertically both sides of straightway.
Referring to fig. 1, the meandering segment i includes a soaking segment a1, a curling segment B1, a demoulding segment C1 and a demoulding segment D1, the soaking segment a1 includes N soaking units i, N is greater than or equal to 2, and in this embodiment, N takes a value of 3. Referring to fig. 2, the steeping unit i comprises a connecting section a1, a connecting section b1, a connecting section c1 and a connecting section d1, wherein the connecting section b1 is horizontally arranged, the connecting section a1 and the connecting section c1 are respectively connected to two ends of the connecting section b1, one end of the connecting section a1, which is far away from the connecting section b1, is inclined upwards, and one end of the connecting section c1, which is far away from the connecting section b1, is inclined upwards and is connected with the connecting section d 1.
The connecting section a1 of the first soaking unit I is connected with the circular arc section X1, the connecting section a1 of the next soaking unit I is connected with the connecting section d1 of the previous soaking unit I, and 3 soaking units I are connected in series.
The crimping section B1 comprises a connecting section e1 and a connecting section f1, one end of the connecting section e1 is connected with a connecting section d1 of the 3 rd soaking unit I, and the other end of the connecting section e1 inclines upwards and is connected with a horizontal connecting section f 1. Referring to fig. 3 or 6, the supporting rail 4 is horizontally disposed at the outer side of the connecting section f1 and is lower than the connecting section f1, the supporting rail 4 includes an engaging rail and a linear rail, the linear rail is parallel to the connecting section f1, one end of the linear rail close to the connecting section e1 is connected with the engaging rail, and one end of the engaging rail far from the linear rail extends to the right below the connecting section f 1.
Referring to fig. 2, the stripping section C1 includes a connection section g1, a connection section h1, a connection section i1 and a connection section j1, and one end of the connection section g1 is connected with the connection section f1, and the other end thereof is inclined downward and connected with the horizontal connection section h 1. One end of the connecting section i1 is connected with the connecting section h1, and the other end is inclined upwards and connected with the horizontal connecting section j 1.
The demolding section D1 is horizontally arranged, one end of the demolding section D1 is connected with the connecting section j1, and the other end of the demolding section D1 is connected with the circular arc section Y1. The bending part of the slide rail 2 is in smooth transition.
Referring to fig. 1, the whole crawler 1 is of a closed annular structure and is arranged right above the sliding rail 2, the crawler 1 comprises an arc section X2, an arc section Y2, a straight line section ii and a bent section ii, the arc section X2, the arc section Y2 and the straight line section ii are respectively consistent with the arc section X1, the arc section Y1 and the straight line section i in size, the arc section X2 and the arc section Y2 are horizontally arranged, openings of the arc section X3526 and the arc section Y2 are opposite, two ends of the straight line section ii are respectively connected to the end portions of the arc section X2 and the arc section Y2, and two ends of the bent section ii are respectively connected to the end portions of the arc section X2 and the arc section Y2.
The zigzag section II comprises a soaking section A2, a crimping section B2, a demoulding section C2 and a demoulding section D2, the soaking section A2 comprises 3 soaking units II, referring to fig. 2, each soaking unit II comprises a connecting section a2, a connecting section B2, a connecting section C2 and a connecting section D2, the connecting section B2 is horizontally arranged, the connecting section a2 and the connecting section C2 are respectively connected to two ends of the connecting section B2, one end, away from the connecting section B2, of the connecting section a2 inclines upwards, and one end, away from the connecting section B2, of the connecting section C2 inclines upwards and is connected with the connecting section D2.
The connecting section a2 of the first soaking unit II is connected with the circular arc section X2, the connecting section a2 of the next soaking unit II is connected with the connecting section d2 of the previous soaking unit II, and 3 soaking units II are connected in series.
The crimping section B2 is horizontally arranged and connected with the connecting section d2 of the 3 rd soaking unit II.
Referring to fig. 2, the stripping section C2 includes a connecting section g2, a connecting section h2, a connecting section i2 and a connecting section j2, one end of the connecting section g2 is connected with the hemming section B2, and the other end thereof is inclined downward and connected with the horizontal connecting section h 2. One end of the connecting section i2 is connected with the connecting section h2, and the other end is inclined upwards and connected with the horizontal connecting section j 2.
The demolding section D2 is horizontally arranged, one end of the demolding section D2 is connected with the connecting section j2, and the other end of the demolding section D2 is connected with the circular arc section Y2. The bent part of the crawler 1 is in smooth transition.
The distance between the arc section X1 and the arc section X2, the distance between the arc section Y1 and the arc section Y2, the distance between the straight line section I and the straight line section II, the distance between the soaking section A1 and the soaking section A2, the distance between the demolding section C1 and the demolding section C2, and the distance between the demolding section D1 and the demolding section D2 are all E, the distance between the connecting section F1 of the crimping section B1 and the crimping section B2 is F, and E is more than F and more than 0.
Referring to fig. 8, the mold 3 comprises a mold body 301, a connector 302, a sliding cylinder 303, a connecting rod i 304 and a connecting rod ii 305, wherein the connecting rods i 304 arranged at equal intervals are hinged to the lower surface of the track 1, the lower end of each connecting rod i 304 is hinged to the connecting rod ii 305, and the lower end of each connecting rod ii 305 is hinged to the sliding cylinder 303.
The slide cylinder 303 is sleeved on the slide rail 2, a motor 5 is installed on one side of each slide cylinder 303, which deviates from the connecting rod II 305, and an output shaft of each motor 5 is connected with a connector 302.
Every the surface of connector 302 all is provided with and supports track 4 assorted annular spout, and the one end that motor 5 was kept away from to connector 302 is connected with mould body 301.
Referring to fig. 3 or 4, the soaking system comprises a soaking pool i 6 and a drying box i 7, wherein 3 soaking pools i 6 are respectively placed under 3 connecting sections b1, and 3 drying boxes i 7 are respectively placed under 3 connecting sections d 1. Stoving case I7 is the rectangle box, and the upper end of stoving case I7 is uncovered form, and stoving case I7 all is uncovered form with linkage segment d1 vertically both sides.
Referring to fig. 3 or 6, the hemming system includes a rubber roller 8, the rubber roller 8 is disposed on a side of the support rail 4 facing away from the connecting section f1 and is higher than the support rail 4, and an axis of the rubber roller 8 is parallel to the connecting section f 1.
Referring to fig. 3 or 5, the stripping system comprises a soaking pool II 9 and a drying box II 10, wherein the soaking pool II 9 is arranged right below the connecting section h1, and the drying box II 10 is arranged right below the connecting section j 1. And the soaking pool I6 and the soaking pool II 9 are in inverted frustum pyramid shapes. Drying case II 10 is the rectangle box, and the upper end of drying case II 10 is uncovered form, and drying case II 10 all is uncovered form with linkage segment j1 vertically both sides.
Referring to fig. 7, the demolding system comprises a high-pressure water pipe 11, a plurality of spray nozzles 12 and a storage box 13, wherein the high-pressure water pipe 11 is parallel to the demolding section D1, the high-pressure water pipe 11 is arranged outside the demolding section D1 and is lower than the demolding section D1, the spray nozzles 12 are arranged on one side, facing the sliding rail 2, of the high-pressure water pipe 11, and the spray nozzles 12 are arranged at equal intervals along the length direction of the high-pressure water pipe 11. The storage box 13 is disposed directly below the ejector section D1. The upper end of storage box 13 is uncovered, and the lateral wall and the bottom of storage box 13 all are provided with a plurality of holes of permeating water.
During production, the crawler 1 and all the motors 5 are started, the crawler 1 drives the plurality of die bodies 301 to slide along the slide rails 2, and the motors 5 drive the die bodies 301 to rotate. The vertical die bodies 301 firstly slide into a soaking pool I6 below a first connecting section b1 and are uniformly wrapped with polyurethane emulsion, the temperature of the emulsion of an inner isolation layer is 20-35 ℃, the time of each die body 301 in the emulsion is 10-60 seconds, then the first drying is carried out at 90-120 ℃, then the vertical die bodies slide into the soaking pool I6 below a second connecting section b1 and are uniformly wrapped with the polyurethane emulsion, the temperature of the emulsion of a middle layer is 20-35 ℃, then the second drying is carried out at 90-120 ℃, the vertical die bodies continue to slide into the soaking pool I6 below a third connecting section b1 and are uniformly wrapped with the polyurethane emulsion, the temperature of the emulsion of an outer layer is 20-35 ℃, and then the third drying is carried out at 90-120 ℃, so that a film sleeve layer with a multilayer film structure is formed on the surface of the die of the condom. Mould body 301 continues to slide, when mould body 301 slides to linkage segment e1 department, the connector 302 of mould body 301 upper end receives the orbital extrusion of linking up of support track 4, the lower extreme of mould body 301 inclines to the outside, connecting rod I304 and connecting rod II 305 produce the hinge and the pin joint of both moves to the inboard, until mould body 301 is the level form and contacts with rubber roller 8, the straight line track embedding of support track 4 is at this moment in the annular spout of connector 302, rubber roller 8 is located the opening position of condom with the border department of mould body 301, rubber roller 8 rolls outward with the contact surface of condom opening part and carries out the round brush, thereby it forms the turn-up to drive the condom at its opening part. The die body 301 continuously slides, when the die body 301 slides to the tail end of the supporting rail 4, the connector 302 is separated from the supporting rail 4, the die body 301 returns to the vertical state under the action of gravity, continuously slides and is completely soaked in the swelling agent of the soaking pool II 9, the fourth drying is carried out, the die body 301 then slides to the position right opposite to the high-pressure water pipe 11, the spray head 12 is right opposite to the position where the condom is curled, the condom is separated from the die body 301 through the spray head 12 by the high-pressure water jet, and the condom falls into the storage box 13. The die body 301 continuously slides and enters the drying box III to be dried for the fifth time, so that the next production operation is carried out.
After demoulding, drying the obtained condom, namely immersing the film sleeve into a desiccant water dispersion liquid to obtain the condom with the surface adsorbed with the desiccant dispersion liquid; and then, putting the condom with the surface adsorbed with the drying agent dispersion liquid into a dryer for baking to remove the moisture in the condom, wherein the baking temperature is 60-100 ℃. And (4) sequentially inspecting the dried film sleeve, adding lubricating oil and packaging to obtain the finished product condom.
Example 2:
in the embodiment 1, three soaking pools I6 are sequentially filled with an inner isolation layer emulsion, a middle layer emulsion and an outer isolation layer emulsion; the inner isolation layer emulsion comprises the following components in parts by weight:
when the inner isolation layer emulsion is prepared, the fumed silica is mixed with a dispersing agent and water, then a nano sand mill or a circulating mill is adopted for grinding and dispersing, and when the particle size of the fumed silica reaches 50-500nm, grinding is stopped to obtain the fumed silica aqueous dispersion. And stirring and mixing the dispersion liquid, the aqueous polyurethane emulsion A, the film forming agent, the defoaming agent and the flatting agent to obtain the inner isolation layer emulsion.
The middle layer emulsion comprises the following components in parts by weight:
99.94 parts of waterborne polyurethane emulsion B
0.01 part of defoaming agent
0.01 part of leveling agent.
The preparation process of the intermediate layer emulsion comprises the following steps: stirring and mixing the aqueous polyurethane emulsion B, the defoaming agent and the flatting agent.
The emulsion of the outer isolation layer comprises the following components in parts by weight:
when the emulsion of the outer isolation layer is prepared, the fumed silica is mixed with the dispersing agent and water, then a nano sand mill or a circulating mill is adopted for grinding and dispersing, and when the particle size of the fumed silica reaches 50-500nm, the grinding is stopped to obtain the aqueous dispersion of the fumed silica. And stirring and mixing the dispersion liquid, the waterborne polyurethane emulsion C, the film forming agent, the dispersing agent, the defoaming agent and the flatting agent to obtain the emulsion of the outer isolation layer.
The film forming agent, the leveling agent, the defoaming agent and the dispersing agent used in the present example are commercially available nontoxic finished products.
Example 3:
the aqueous polyurethane emulsion a, the aqueous polyurethane emulsion B, and the aqueous polyurethane emulsion C in example 2 may be different types of polyurethane materials from each other, or may be the same type of polyurethane material. In this embodiment, the aqueous polyurethane emulsion a, the aqueous polyurethane emulsion B, and the aqueous polyurethane emulsion C are polyurethane materials of the same type, and the preparation method of the polyurethane material is any one of the following three schemes:
the first scheme comprises the following steps:
synthesis of aqueous polyurethane emulsion:
1-1. into a three-necked flask equipped with a stirrer, a thermometer and a reflux condenser, 18 parts by weight of dehydrated polymer polyol and 1 part by weight of hydroxy-terminated siloxane diol are sequentially charged
And 4 parts of toluene diisocyanate, stirring, mixing, heating to 70 ℃, reacting for 2 hours, adding 1 part of dimethylolpropionic acid (DMPA) and a proper amount of diluent acetone, continuing to react for 2 hours, cooling to 40 ℃, and adding a proper amount of diluent acetone to adjust the viscosity to obtain a prepolymer.
1-2) neutralizing the prepolymer product of the step 1-1) with 1 part of triethylamine for 30 minutes, and then adding 65 parts of ice-water mixture for high-speed emulsification.
1-3 ] dispersing the prepolymer, slowly adding 0.1 part of polyetheramine 200 aqueous solution for post-chain extension, dropwise adding the amine chain extender aqueous solution in half an hour, continuously stirring for 1 hour after dropwise adding, and standing for defoaming to obtain a blue semitransparent emulsion.
And 1-4, distilling under reduced pressure to remove the solvent to obtain the aqueous polyurethane emulsion.
Preparation of curing agent emulsion:
30 parts of epoxy modified silicone oil (with the epoxy value of 0.1) and 1 part of sodium cocoamidoalkanol sulfate as an emulsifier are sequentially added into a reaction kettle provided with a stirring device, and the mixture is stirred and mixed uniformly. Then 60 parts of deionized water is added, the stirring speed is adjusted to 2000r/min, and emulsification is carried out for 30min, so as to obtain the curing agent emulsion.
Preparing aqueous polyurethane condom emulsion:
and mixing the aqueous polyurethane emulsion and the curing agent emulsion according to the mass ratio of 5: 1 to obtain the aqueous polyurethane condom emulsion.
Scheme II:
synthesis of aqueous polyurethane emulsion:
1-1. into a three-necked flask equipped with a stirrer, a thermometer and a reflux condenser, 25 parts by weight of dehydrated polymer polyol and 2 parts by weight of hydroxy-terminated siloxane diol are sequentially charged
And 8 parts of isophorone diisocyanate (IPDI), stirring, mixing, heating to 80 ℃, reacting for 3 hours, adding 2 parts of dimethylolbutyric acid (DMBA) and a proper amount of butanone serving as a diluent, continuously reacting for 3 hours, cooling to 60 ℃, and adding a proper amount of butanone serving as a diluent to adjust the viscosity to obtain a prepolymer.
1-2) neutralizing the prepolymer product obtained in the step 1-1 with 2 parts of triethylamine for 30 minutes, and then adding 75 parts of an ice-water mixture for high-speed emulsification.
1-3, after dispersing the prepolymer, slowly adding 0.8 part of polyetheramine 400 (amine chain extender) aqueous solution for post chain extension, dropwise adding the amine chain extender aqueous solution for half an hour, continuously stirring for 1 hour after dropwise adding, and standing for defoaming to obtain a blue semitransparent emulsion.
And 1-4, distilling under reduced pressure to remove the solvent to obtain the aqueous polyurethane emulsion.
Preparation of curing agent emulsion:
40 parts of epoxy modified silicone oil (with the epoxy value of 0.6) and 3 parts of emulsifier polyoxyethylene (60) sorbitan monostearate are sequentially added into a reaction kettle provided with a stirring device, and the mixture is stirred and mixed uniformly. And then 70 parts of deionized water is added, the stirring speed is adjusted to 2000r/min, and emulsification is carried out for 60min, so as to obtain the curing agent emulsion.
Preparation of waterborne polyurethane condom emulsion:
and mixing the aqueous polyurethane emulsion and the curing agent emulsion according to the mass ratio of 15: 1 to obtain the aqueous polyurethane condom emulsion.
The third scheme is as follows:
synthesis of aqueous polyurethane emulsion:
1-1. into a three-necked flask equipped with a stirrer, a thermometer and a reflux condenser, 20 parts by weight of dehydrated polymer polyol and 1.5 parts by weight of hydroxy-terminated siloxane diol are sequentially charged
And 6 parts of hydrogenated phenyl methane diisocyanate, stirring, mixing, heating to 80 ℃, reacting for 1.5 hours, adding 1.5 parts of dimethylolbutyric acid (DMBA) and a proper amount of diluent N-methyl pyrrolidone, continuously reacting for 3 hours, cooling to 50 ℃, adding a proper amount of diluent N-methyl pyrrolidone, and adjusting the viscosity to obtain a prepolymer.
1-2) neutralizing the prepolymer product of the step 1-1) with 1.5 parts of triethylamine for 30 minutes, and then adding 70 parts of an ice-water mixture for high-speed emulsification.
1-3, after dispersing the prepolymer, slowly adding 0.5 part of polyetheramine 200 (amine chain extender) aqueous solution for chain extension, dripping the amine chain extender aqueous solution for half an hour, continuously stirring for 1 hour after dripping, and standing for defoaming to obtain a blue semitransparent emulsion.
And 1-4, distilling under reduced pressure to remove the solvent to obtain the aqueous polyurethane emulsion.
Preparation of curing agent emulsion:
adding 35 parts of epoxy modified silicone oil (with an epoxy value of 0.3) and 2 parts of emulsifier nonylphenol polyoxyethylene (9) ether disodium sulfosuccinate into a reaction kettle provided with a stirring device in sequence, and opening, stirring and uniformly mixing. Then 65 parts of deionized water is added, the stirring speed is adjusted to 2000r/min, and emulsification is carried out for 50min, thus obtaining the curing agent emulsion.
Preparing aqueous polyurethane condom emulsion:
and mixing the aqueous polyurethane emulsion and the curing agent emulsion according to the mass ratio of 10: 1 to obtain the aqueous polyurethane condom emulsion.
Example 4:
the embodiment discloses a system for manufacturing a polyurethane condom by a wet method, which comprises a crawler 1, a slide rail 2, a mould 3, a soaking system, a curling system, a demoulding system and a demoulding system.
The whole confined loop configuration that is of slide rail 2, slide rail 2 include circular arc section X1, circular arc section Y1, straightway I and tortuous section I, and circular arc section X1 and circular arc section Y1 are all set up horizontally and the opening is relative, and the both ends of straightway I are connected to circular arc section X1 and circular arc section Y1's tip respectively, and the both ends of tortuous section I are connected to circular arc section X1 and circular arc section Y1's tip respectively.
Referring to fig. 1, the meandering section i includes a soaking section a1, a curling section B1, a demoulding section C1 and a demoulding section D1, the soaking section a1 includes N soaking units i, N is greater than or equal to 2, and in this embodiment, N is 2. Referring to fig. 2, the soaking unit i comprises a connecting section a1, a connecting section b1, a connecting section c1 and a connecting section d1, wherein the connecting section b1 is horizontally arranged, the connecting section a1 and the connecting section c1 are respectively connected to two ends of the connecting section b1, one end of the connecting section a1, which is far away from the connecting section b1, is inclined upwards, and one end of the connecting section c1, which is far away from the connecting section b1, is inclined upwards and is connected with the connecting section d 1.
The connecting section a1 of the first soaking unit I is connected with the circular arc section X1, the connecting section a1 of the next soaking unit I is connected with the connecting section d1 of the previous soaking unit I, and 2 soaking units I are connected in series.
The crimping section B1 comprises a connecting section e1 and a connecting section f1, one end of the connecting section e1 is connected with a connecting section d1 of the 2 nd soaking unit I, and the other end of the connecting section e1 inclines upwards and is connected with a horizontal connecting section f 1. Referring to fig. 3 or 6, the support rail 4 is horizontally disposed outside the connecting section f1 and below the connecting section f1, the support rail 4 includes an engaging rail and a linear rail, the linear rail is parallel to the connecting section f1, one end of the linear rail close to the connecting section e1 is connected to the engaging rail, and one end of the engaging rail far from the linear rail extends to a position right below the connecting section f 1.
Referring to fig. 2, the stripping section C1 includes a connection section g1, a connection section h1, a connection section i1 and a connection section j1, and one end of the connection section g1 is connected with the connection section f1, and the other end thereof is inclined downward and connected with the horizontal connection section h 1. One end of the connecting section i1 is connected with the connecting section h1, and the other end is inclined upwards and connected with the horizontal connecting section j 1.
The demolding section D1 is horizontally arranged, one end of the demolding section D1 is connected with the connecting section j1, and the other end of the demolding section D1 is connected with the circular arc section Y1.
Referring to fig. 1, the whole crawler 1 is of a closed annular structure and is arranged right above the sliding rail 2, the crawler 1 comprises an arc section X2, an arc section Y2, a straight line section ii and a bent section ii, the arc section X2, the arc section Y2 and the straight line section ii are respectively consistent with the arc section X1, the arc section Y1 and the straight line section i in size, the arc section X2 and the arc section Y2 are horizontally arranged, openings of the arc section X3526 and the arc section Y2 are opposite, two ends of the straight line section ii are respectively connected to the end portions of the arc section X2 and the arc section Y2, and two ends of the bent section ii are respectively connected to the end portions of the arc section X2 and the arc section Y2.
The zigzag section II comprises a soaking section A2, a crimping section B2, a demoulding section C2 and a demoulding section D2, the soaking section A2 comprises 2 soaking units II, referring to fig. 2, each soaking unit II comprises a connecting section a2, a connecting section B2, a connecting section C2 and a connecting section D2, the connecting section B2 is horizontally arranged, the connecting section a2 and the connecting section C2 are respectively connected to two ends of the connecting section B2, one end, away from the connecting section B2, of the connecting section a2 inclines upwards, and one end, away from the connecting section B2, of the connecting section C2 inclines upwards and is connected with the connecting section D2.
The connecting section a2 of the first soaking unit II is connected with the circular arc section X2, the connecting section a2 of the next soaking unit II is connected with the connecting section d2 of the previous soaking unit II, and 2 soaking units II are connected in series.
The crimping section B2 is horizontally arranged and connected with the connecting section d2 of the 2 nd soaking unit II.
Referring to fig. 2, the stripping section C2 includes a connecting section g2, a connecting section h2, a connecting section i2 and a connecting section j2, one end of the connecting section g2 is connected with the hemming section B2, and the other end thereof is inclined downward and connected with the horizontal connecting section h 2. One end of the connecting segment i2 is connected with the connecting segment h2, and the other end is inclined upwards and connected with the horizontal connecting segment j 2.
The demoulding section D2 is horizontally arranged, one end of the demoulding section D2 is connected with the connecting section j2, and the other end is connected with the circular arc section Y2.
The distance between the arc section X1 and the arc section X2, the distance between the arc section Y1 and the arc section Y2, the distance between the straight line section I and the straight line section II, the distance between the soaking section A1 and the soaking section A2, the distance between the demolding section C1 and the demolding section C2, and the distance between the demolding section D1 and the demolding section D2 are all E, the distance between the connecting section F1 of the crimping section B1 and the crimping section B2 is F, and E is more than F and more than 0.
Referring to fig. 8, the mold 3 comprises a mold body 301, a connector 302, a sliding cylinder 303, a connecting rod i 304 and a connecting rod ii 305, wherein the connecting rods i 304 arranged at equal intervals are hinged to the lower surface of the track 1, the lower end of each connecting rod i 304 is hinged to the connecting rod ii 305, and the lower end of each connecting rod ii 305 is hinged to the sliding cylinder 303.
The slide cylinder 303 is sleeved on the slide rail 2, a motor 5 is installed on one side of each slide cylinder 303, which deviates from the connecting rod II 305, and an output shaft of each motor 5 is connected with a connector 302.
Every the surface of connector 302 all is provided with support track 4 assorted annular spout, and the one end that motor 5 was kept away from to connector 302 is connected with mould body 301.
Referring to fig. 3 or 4, the soaking system comprises a soaking pool i 6 and a drying box i 7, wherein 2 soaking pools i 6 are respectively placed under 2 connecting sections b1, and 2 drying boxes i 7 are respectively placed under 2 connecting sections d 1.
Referring to fig. 3 or 6, the hemming system includes a rubber roller 8, the rubber roller 8 is disposed on a side of the support rail 4 facing away from the connecting section f1 and is higher than the support rail 4, and an axis of the rubber roller 8 is parallel to the connecting section f 1.
Referring to fig. 3 or 5, the stripping system comprises a soaking pool II 9 and a drying box II 10, wherein the soaking pool II 9 is arranged right below the connecting section h1, and the drying box II 10 is arranged right below the connecting section j 1.
Referring to fig. 7, the demolding system comprises a high-pressure water pipe 11, a plurality of spray heads 12 and a storage box 13, wherein the high-pressure water pipe 11 is parallel to the demolding section D1, the high-pressure water pipe 11 is arranged outside the demolding section D1 and is lower than the demolding section D1, the spray heads 12 are arranged on one side, facing the sliding rail 2, of the high-pressure water pipe 11, and the spray heads 12 are arranged at equal intervals along the length direction of the high-pressure water pipe 11. The storage box 13 is disposed directly below the ejector section D1.
Example 5:
the main structure of this embodiment is the same as that of embodiment 4, and further, referring to fig. 3, the soaking pool i 6 and the soaking pool ii 9 are both in the shape of inverted truncated pyramids.
Example 6:
the main structure of this embodiment is the same as that of embodiment 5, and further, the system for manufacturing a polyurethane condom by a wet method described in this embodiment further includes a drying box iii, and the drying box iii is located under the straight line segment i.
Example 7:
the main structure of the embodiment is the same as that of embodiment 6, and further, drying box I7, drying box II 10 and drying box III are rectangular box bodies, drying box I7, drying box II 10 and drying box III are both open-mouthed, drying box I7 and connecting section d1 are both open-mouthed, drying box II 10 and connecting section j1 are both open-mouthed, and drying box III and straightway I are both open-mouthed.
Example 8:
the main structure of this embodiment is the same as that of embodiment 7, and further, the lower surface of the rubber roller 8 rotates in a direction away from the slide rail 2.
Example 9:
the main structure of this embodiment is the same as that of embodiment 8, and further, the bent portion of the track 1 is in smooth transition, and the bent portion of the slide rail 2 is in smooth transition.
Example 10:
the main structure of this embodiment is the same as that of embodiment 9, and further, referring to fig. 7, the upper end of the storage box 13 is open, and the side wall and the bottom of the storage box 13 are provided with a plurality of water permeable holes.
Example 11:
the main structure of this embodiment is the same as that in embodiment 10, further, each soaking pool i 6 is filled with a polyurethane emulsion, and the soaking pool ii 9 is filled with a swelling agent, where the swelling agent is one or a mixture of water, methanol, ethanol, isopropanol, butanol, isobutanol, ethylene glycol methyl ether, ethylene glycol ethyl ether, ethylene glycol butyl ether, ethylene glycol monomethyl ether, ethylene glycol monobutyl ether, propylene glycol methyl ether, propylene glycol butyl ether, propylene glycol methyl ether acetate, propylene glycol ethyl ether acetate, ethylene glycol methyl ether acetate, ethylene glycol ethyl ether acetate, acetone, butanone, cyclohexanone, methyl isobutyl ketone, ethyl acetate, butyl acetate, tetrahydrofuran, dichloromethane, dimethylformamide, and dimethylacetamide, and the temperature is maintained at 20-40 ℃.
Claims (7)
1. A system for manufacturing polyurethane condoms by a wet process, comprising: comprises a track (1), a slide rail (2), a mould (3), a soaking system, a crimping system, a demoulding system and a demoulding system;
the whole sliding rail (2) is of a closed annular structure, the sliding rail (2) comprises an arc section X1, an arc section Y1, a straight line section I and a bent section I, the arc section X1 and the arc section Y1 are both horizontally arranged, openings of the straight line section I and the bent section Y1 are opposite, two ends of the straight line section I are connected to the end portions of the arc section X1 and the arc section Y1 respectively, and two ends of the bent section I are connected to the end portions of the arc section X1 and the arc section Y1 respectively;
the bent section I comprises a soaking section A1, a crimping section B1, a demoulding section C1 and a demoulding section D1, wherein the soaking section A1 comprises N soaking units I, and N is more than or equal to 2; the soaking unit I comprises a connecting section a1, a connecting section b1, a connecting section c1 and a connecting section d1, wherein the connecting section b1 is horizontally arranged, the connecting section a1 and the connecting section c1 are respectively connected to two ends of the connecting section b1, one end, far away from the connecting section b1, of the connecting section a1 inclines upwards, and one end, far away from the connecting section b1, of the connecting section c1 inclines upwards and is connected with the connecting section d 1;
the connecting section a1 of the first soaking unit I is connected with the circular arc section X1, the connecting section a1 of the next soaking unit I is connected with the connecting section d1 of the previous soaking unit I, and N soaking units I are connected in series;
the crimping section B1 comprises a connecting section e1 and a connecting section f1, one end of the connecting section e1 is connected with the connecting section d1 of the Nth soaking unit I, and the other end of the connecting section e1 inclines upwards and is connected with the horizontal connecting section f 1; the supporting track (4) is horizontally arranged on the outer side of the connecting section f1 and is lower than the connecting section f1, the supporting track (4) comprises a connecting track and a linear track, the linear track is parallel to the connecting section f1, one end, close to the connecting section e1, of the linear track is connected with the connecting track, and one end, far away from the linear track, of the connecting track extends to the position right below the connecting section f 1;
the demoulding section C1 comprises a connecting section g1, a connecting section h1, a connecting section i1 and a connecting section j1, one end of the connecting section g1 is connected with the connecting section f1, and the other end of the connecting section g1 is inclined downwards and is connected with a horizontal connecting section h 1; one end of the connecting section i1 is connected with the connecting section h1, and the other end of the connecting section i1 is inclined upwards and connected with the horizontal connecting section j 1;
the demolding section D1 is horizontally arranged, one end of the demolding section D1 is connected with the connecting section j1, and the other end of the demolding section D1 is connected with the arc section Y1;
the crawler (1) is of a closed annular structure and is arranged right above the sliding rail (2), the crawler (1) comprises an arc section X2, an arc section Y2, a straight line section II and a bent section II, the arc section X2, the arc section Y2 and the straight line section II are respectively consistent with the arc section X1, the arc section Y1 and the straight line section I in size, the arc section X2 and the arc section Y2 are horizontally arranged, openings of the arc section X3526 and the arc section Y2 are opposite, two ends of the straight line section II are respectively connected to the end portions of the arc section X2 and the arc section Y2, and two ends of the bent section II are respectively connected to the end portions of the arc section X2 and the arc section Y2;
the zigzag section II comprises a soaking section A2, a crimping section B2, a demoulding section C2 and a demoulding section D2, the soaking section A2 comprises N soaking units II, each soaking unit II comprises a connecting section a2, a connecting section B2, a connecting section C2 and a connecting section D2, the connecting section B2 is horizontally arranged, the connecting section a2 and the connecting section C2 are respectively connected to two ends of the connecting section B2, one end, far away from the connecting section B2, of the connecting section a2 inclines upwards, and one end, far away from the connecting section B2, of the connecting section C2 inclines upwards and is connected with the connecting section D2;
the connecting section a2 of the first soaking unit II is connected with the circular arc section X2, the connecting section a2 of the next soaking unit II is connected with the connecting section d2 of the previous soaking unit II, and N soaking units II are connected in series;
the hemming section B2 is horizontally arranged and is connected with the connecting section d2 of the Nth soaking unit II;
the demoulding section C2 comprises a connecting section g2, a connecting section h2, a connecting section i2 and a connecting section j2, one end of the connecting section g2 is connected with the hemming section B2, and the other end of the connecting section g2 is inclined downwards and is connected with the horizontal connecting section h 2; one end of the connecting section i2 is connected with the connecting section h2, and the other end of the connecting section i2 is inclined upwards and connected with the horizontal connecting section j 2;
the demoulding section D2 is horizontally arranged, one end of the demoulding section D2 is connected with the connecting section j2, and the other end is connected with the circular arc section Y2;
the distance between the arc section X1 and the arc section X2, the distance between the arc section Y1 and the arc section Y2, the distance between the straight line section I and the straight line section II, the distance between the soaking section A1 and the soaking section A2, the distance between the demolding section C1 and the demolding section C2, and the distance between the demolding section D1 and the demolding section D2 are all E, the distance between the connecting section F1 of the crimping section B1 and the crimping section B2 is F, and E is more than F and more than 0;
the mold (3) comprises a mold body (301), a connector (302), a sliding cylinder (303), a connecting rod I (304) and a connecting rod II (305), wherein the connecting rods I (304) which are arranged at equal intervals are hinged to the lower surface of the track (1), the lower end of each connecting rod I (304) is hinged to the connecting rod II (305), and the lower end of each connecting rod II (305) is hinged to the sliding cylinder (303);
the sliding cylinders (303) are sleeved on the sliding rail (2), one side, away from the connecting rod II (305), of each sliding cylinder (303) is provided with a motor (5), and an output shaft of each motor (5) is connected with a connector (302);
the outer surface of each connector (302) is provided with an annular sliding groove matched with the support rail (4), and one end, far away from the motor (5), of each connector (302) is connected with a die body (301);
the soaking system comprises a soaking pool I (6) and a drying box I (7), wherein N soaking pools I (6) are respectively placed under N connecting sections b1, and N drying boxes I (7) are respectively placed under N connecting sections d 1;
the crimping system comprises a rubber roller (8), the rubber roller (8) is arranged on one side, away from the connecting section f1, of the supporting track (4) and is higher than the supporting track (4), and the axis of the rubber roller (8) is parallel to the connecting section f 1;
the demolding system comprises a soaking pool II (9) and a drying box II (10), wherein the soaking pool II (9) is placed right below the connecting section h1, and the drying box II (10) is placed right below the connecting section j 1;
the demolding system comprises a high-pressure water pipe (11), a plurality of spray heads (12) and a storage box (13), wherein the high-pressure water pipe (11) is parallel to a demolding section D1, the high-pressure water pipe (11) is arranged on the outer side of the demolding section D1 and is lower than the demolding section D1, the plurality of spray heads (12) are arranged on one side, facing the sliding rail (2), of the high-pressure water pipe (11), and the spray heads (12) are arranged at equal intervals along the length direction of the high-pressure water pipe (11); the storage bin (13) is arranged directly below the stripping section D1;
during production, the caterpillar track (1) and all the motors (5) are started, the caterpillar track (1) drives the plurality of mould bodies (301) to slide along the sliding rail (2), and the motors (5) drive the mould bodies (301) to rotate; the vertical die bodies (301) firstly slide into a soaking pool I (6) below a first connecting section b1 and are uniformly wrapped with polyurethane emulsion, the temperature of the inner isolation layer emulsion is 20-35 ℃, the time of each die body (301) in the emulsion is 10-60 seconds, then primary drying is carried out at 90-120 ℃, then the vertical die bodies slide into the soaking pool I (6) below a second connecting section b1 and are uniformly wrapped with the polyurethane emulsion, the temperature of the middle layer emulsion is 20-35 ℃, then secondary drying is carried out at 90-120 ℃, the vertical die bodies continue to slide into the soaking pool I (6) below a third connecting section b1 and are uniformly wrapped with the polyurethane emulsion, the temperature of the outer isolation layer emulsion is 20-35 ℃, and then tertiary drying is carried out at 90-120 ℃, so that a film sleeve layer with a multilayer film structure is formed on the surface of the condom die; the die body (301) continuously slides, when the die body (301) slides to the connecting section e1, the connecting head (302) at the upper end of the die body (301) is extruded by the connecting track of the supporting track (4), the lower end of the die body (301) inclines outwards, the connecting rod I (304) and the connecting rod II (305) are hinged, the hinged point of the connecting rod I (304) and the connecting rod II (305) moves inwards until the die body (301) is horizontal and is in contact with the rubber roller (8), the linear track of the supporting track (4) is embedded into the annular sliding groove of the connecting head (302), the bordering position of the rubber roller (8) and the die body (301) is located at the opening position of the condom, and the contact surface of the rubber roller (8) and the opening position of the condom rolls outwards to brush, so that the condom is driven to form a curled edge at the opening; the die body (301) continuously slides, when the die body slides to the tail end of the supporting rail (4), the connector (302) is separated from the supporting rail (4), the die body (301) returns to a vertical state under the action of gravity, continuously slides and is completely soaked in a swelling agent of the soaking pool II (9), the fourth drying is carried out, the die body (301) slides to a position right opposite to the high-pressure water pipe (11), the spray head (12) is right opposite to the curling position of the condom, the condom is separated from the die body (301) by the high-pressure water jet through the spray head (12), and the condom falls into the storage tank (13); the die body (301) continuously slides and enters a drying box III to be dried for the fifth time, so that the next production operation is carried out;
and (4) after demoulding, drying the obtained condom, and sequentially inspecting, adding lubricating oil and packaging to obtain the finished condom.
2. The system for wet manufacturing polyurethane condoms according to claim 1, wherein: and the soaking pool I (6) and the soaking pool II (9) are in inverted frustum pyramid shapes.
3. A system for wet-manufacturing polyurethane condoms according to claim 1 or claim 2, wherein: still include stoving case III, stoving case III is located straightway I under.
4. A system for wet-manufacturing polyurethane condoms according to claim 3, wherein: stoving case I (7), stoving case II (10) and stoving case III are the rectangle box, and stoving case I (7), stoving case II (10) and the upper end of stoving case III all are uncovered form, and stoving case I (7) all are uncovered form with linkage segment d1 vertically both sides, and stoving case II (10) all are uncovered form with linkage segment j1 vertically both sides, and stoving case III all is uncovered form with I vertically both sides of straightway.
5. The system for wet manufacturing polyurethane condoms according to claim 1, wherein: the lower surface of the rubber roller (8) rotates in the direction departing from the sliding rail (2).
6. The system for wet manufacturing polyurethane condoms according to claim 1, wherein: the bent part of the crawler belt (1) is in smooth transition, and the bent part of the sliding rail (2) is in smooth transition.
7. The system for wet manufacturing polyurethane condoms according to claim 1, wherein: the upper end of the storage box (13) is open, and the side wall and the bottom of the storage box (13) are provided with a plurality of water permeable holes.
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| CN202110139662.7A CN113043619B (en) | 2021-02-01 | 2021-02-01 | System for manufacturing polyurethane condom by wet method |
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| CN202110139662.7A CN113043619B (en) | 2021-02-01 | 2021-02-01 | System for manufacturing polyurethane condom by wet method |
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| CN113043619A (en) | 2021-06-29 |
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Effective date of registration: 20210823 Address after: 541000 No.1-2, Shuijing East Road, Guilin economic and Technological Development Zone, Guilin City, Guangxi Zhuang Autonomous Region Applicant after: GUILIN HENGBAO HEALTH PROTECTION Co.,Ltd. Address before: 401123 digital economic development exhibition center, No.1, middle section of Huangshan Avenue, Liangjiang New District, Chongqing, attached with a20-01-0035 Applicant before: Chongqing menduo New Material Technology Co.,Ltd. |
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