CN118453265B - Automatic temperature-regulating type hot-press forming device for sanitary towel production - Google Patents
Automatic temperature-regulating type hot-press forming device for sanitary towel production Download PDFInfo
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- CN118453265B CN118453265B CN202410660459.8A CN202410660459A CN118453265B CN 118453265 B CN118453265 B CN 118453265B CN 202410660459 A CN202410660459 A CN 202410660459A CN 118453265 B CN118453265 B CN 118453265B
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 12
- 230000007547 defect Effects 0.000 claims abstract description 33
- 238000007731 hot pressing Methods 0.000 claims description 55
- 238000010438 heat treatment Methods 0.000 claims description 38
- 238000003825 pressing Methods 0.000 claims description 22
- 150000001875 compounds Chemical class 0.000 claims description 13
- 238000003860 storage Methods 0.000 claims description 7
- 238000013329 compounding Methods 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims 5
- 238000007906 compression Methods 0.000 claims 5
- 238000010248 power generation Methods 0.000 claims 1
- 238000010030 laminating Methods 0.000 abstract description 15
- 238000003475 lamination Methods 0.000 description 24
- 229920000742 Cotton Polymers 0.000 description 14
- 238000005259 measurement Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 8
- 238000009826 distribution Methods 0.000 description 7
- 230000009977 dual effect Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 239000004744 fabric Substances 0.000 description 7
- 230000009471 action Effects 0.000 description 5
- 230000000712 assembly Effects 0.000 description 5
- 238000000429 assembly Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 230000002950 deficient Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/15577—Apparatus or processes for manufacturing
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/15577—Apparatus or processes for manufacturing
- A61F2013/15821—Apparatus or processes for manufacturing characterized by the apparatus for manufacturing
- A61F2013/15861—Apparatus or processes for manufacturing characterized by the apparatus for manufacturing for bonding
- A61F2013/15878—Apparatus or processes for manufacturing characterized by the apparatus for manufacturing for bonding by thermal bonding
- A61F2013/15902—Apparatus or processes for manufacturing characterized by the apparatus for manufacturing for bonding by thermal bonding with specific parameters, e.g. temperature, pressure
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Vascular Medicine (AREA)
- Epidemiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Manufacturing & Machinery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Absorbent Articles And Supports Therefor (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
Abstract
The invention discloses an automatic temperature-adjusting type hot-press forming device for sanitary towel production, and belongs to the technical field of sanitary towel production equipment. The invention comprises two mounting brackets, wherein a pair of hot presses are oppositely arranged up and down in one mounting bracket, a pair of laminating rollers are oppositely arranged up and down in the other mounting bracket, a distance measuring sensor is arranged between the two mounting brackets, the distance measuring sensor is connected with a control system through a circuit, the pair of hot presses comprise a first hot press and a second hot press, the first hot press and the second hot press laminate sanitary napkins, the distance measuring sensor detects the sanitary napkins, the pair of laminating rollers comprise a first laminating roller and a second laminating roller, and the first laminating roller and the second laminating roller laminate the connecting defect of the sanitary napkins.
Description
Technical Field
The invention relates to the technical field of sanitary towel production equipment, in particular to an automatic temperature-adjusting type hot-press forming device for sanitary towel production.
Background
The sanitary towel is a combined product prepared from the absorbent cotton knitted fabric, the cotton core and the cotton-covered release paper through the procedures of compounding, cutting, extruding and the like, has the characteristics of moisture resistance, ventilation, flexibility, light weight, easiness in decomposition and the like, and has certain problems in the manufacturing process of the conventional sanitary towel production equipment, for example, for the lamination process of the sanitary towel, the hot press is the most main production method, and the cotton core part can be prevented from overflowing from four sides after water absorption after lamination is finished, so that leakage into clothes is avoided, and the effect of keeping dryness for a long time is achieved.
However, the sanitary towel after one-time pressing is directly sent into the packing procedure, an effective pressing condition detection means is lacking, if only part of the positions of the sanitary towel after pressing are not successfully connected, the connection defect positions of other parts of the sanitary towel can be kept closed, the connection defect positions can not be captured at all by using conventional thickness detection, but the cotton core part overflows from the connection defect positions after absorbing water, and a certain influence is brought to the using process of people.
Disclosure of Invention
The invention aims to provide a automatic temperature-adjusting type hot press forming device for producing sanitary napkins, which aims to solve the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a sanitary towel production is with automatic temperature regulation type hot briquetting device, includes two installing supports, one relatively sets up a pair of hot press from top to bottom in the installing support, is provided with a pair of laminating roller from top to bottom in another installing support relatively, is provided with distance measurement sensor between two installing supports, distance measurement sensor passes through the circuit and is connected with control system, a pair of hot press includes first hot press and second hot press, first hot press and second hot press presss from both sides the sanitary towel, distance measurement sensor detects the sanitary towel, a pair of laminating roller includes first laminating roller and second laminating roller, first laminating roller and second laminating roller are laminated to sanitary towel junction defect department, and knitted cloth, cotton core and cover cotton from the type paper enter into the hot press forming device after compounding, and first hot press and second hot press mutually support are pressed, with compound knitted cloth, cotton core and cover cotton from the type paper to become a whole, press through detecting the distance measurement sensor from top to bottom after the pressfitting. And further judging whether the lamination is successful, if the lamination is successful, controlling a heating component in the first lamination roller and the second lamination roller to heat through a control system, and carrying out lamination on the lamination defect.
Further, the first hot press and the second hot press are all connected with the installing support in a rotating mode, a driving motor is arranged at the switching position of the first hot press and the second hot press corresponding to the outer side of the installing support, the first hot press comprises a mandrel, a pair of three foot plates and three hot press dies, the driving motor is coaxially connected with the mandrel, the three foot plates are arranged at the positions, close to two ends, of the mandrel, the three foot plates are Y-shaped, three hot press dies are arranged between the two three foot plates, the three hot press dies are respectively connected with the three forked tail ends of the three foot plates in a rotating mode, the two driving motor drives the first hot press and the second hot press to rotate, the first hot press rotates anticlockwise, the second hot press rotates clockwise, the rotating speed of the first hot press and the second hot press is the same, three hot press dies are arranged on each hot press machine, and the hot press dies on the first hot press machine and the second hot press dies are matched in pairs, and the three hot press dies press the sanitary towel in turn.
Further, every hot pressing mould includes shell, die body and hot pressing strip, the relative both sides of shell are provided with the adapter shaft, adapter shaft and three sole rotate to be connected, die body slidable mounting is in the shell, hot pressing strip slidable mounting is in the die body, be provided with a plurality of springs between the top of die body and the shell, be provided with the heater strip in the hot pressing strip, the heater strip passes through the circuit and is connected with control system, be connected with the elastic expansion link between hot pressing strip and the shell, the elastic expansion link runs through the die body.
Further, the first hot press further comprises an inner gear ring, a double-linked wheel and a chain, wherein a sprocket is integrally arranged on the outer contour of one end, far away from the driving motor, of the mandrel, tooth grooves are formed in the outer contour of the transfer shaft, far away from the driving motor, the inner gear ring is meshed with the tooth grooves, the double-linked wheel is rotatably arranged on the mounting support, the double-linked wheel is formed by compounding one sprocket and a gear, the chain is connected between the mandrel and the double-linked wheel, the double-linked wheel is meshed with the inner gear ring, the double-linked wheel drives the double-linked wheel to rotate through the chain when the mandrel rotates, the diameter of the double-linked wheel is smaller than that of the mandrel, the double-linked wheel is meshed with the inner ring of the inner gear ring, so that the steering of the inner gear ring is identical to the steering of the mandrel, the rotating speed of the inner gear ring is different from the mandrel, the mandrel drives all hot pressing dies to move through three foot plates, the ring enables the hot pressing dies to rotate along with the rotating angle of the mandrel, the hot pressing dies to be kept downwards all the strips of the hot pressing dies in the first hot press, the second tooth grooves always face upwards, and the hot pressing strips of the hot pressing dies always face upwards, and the hot pressing friction between the hot pressing towel and the hot pressing pad is reduced.
Further, the top of shell is provided with the gas receiver, the both ends of gas receiver are connected with intake pipe and outlet duct respectively, intake pipe and outlet duct all communicate with the cavity between shell and the die body, the inlet port has been seted up on the shell, all be provided with the check valve in inlet port and the intake pipe, be provided with the automatically controlled valve in the outlet duct, be provided with automatically controlled switch between die body and the shell, automatically controlled valve and automatically controlled switch all are connected with control system circuit, and when hot pressing mould contacted with sanitary towel, die body subassembly is to the external shell shrink, and automatically controlled switch control automatically controlled valve closes when die body is inwards shrink, and the cavity between shell and the die body is extrudeed, and gas in the cavity is compressed to the gas receiver, and the die body closely fixes sanitary towel through the effort of spring, and the die body subassembly is to the contact sanitary towel pressfitting of hot pressing strip after the certain distance inwards shrink to the shell, and the contact force of several elastic telescopic link balances the hot-pressing strip and sanitary towel.
Further, divide the gas tank to set up in the die body, divide the gas tank to be linked together through flexible bellows and outlet duct, divide the gas tank to run through with the bottom of die body and set up a plurality of tangential gas pocket, a plurality of tangential gas pocket all sets up towards the hot pressing strip, after the first pressfitting is accomplished, along with a pair of hot pressing die subassembly separation, the die body stretches out outside the shell under the effect of spring, outside air is to the inside supplementary air of cavity through the inlet port, the die body outwards stretches out the time and opens through automatically controlled switch control electric control valve, high-pressure gas in the gas receiver spouts the gas tank through outlet duct and flexible bellows in, divide the gas tank to spout high-pressure gas to hot pressing position through a plurality of tangential gas pocket afterwards, air pressure suddenly drops and leads to the temperature to reduce, if there is the defect in the position of pressfitting, the air current of high-speed jet also can dash out the position that does not pressfitting, make the defect expose and grow, the range sensor of being convenient for detects sanitary towel.
Further, the first compound roller and the second compound roller rotate and install on the installing support, the outside of installing support corresponds the switching position of first compound roller and second compound roller and also is provided with driving motor, the inside spoke form equipartition that is of first compound roller is provided with a plurality of heating elements, every heating element includes two sections heating wires, conducting rod, magnetic path and electric wire, and two sections the heating wire is connected in same wire, the conducting rod sets up the one end at the wire, the other end of wire is connected with the power, the magnetic path slides and sets up on the conducting rod, the electric wire is installed on the magnetic path, and the electric wire contacts with the conducting rod, if range sensor detects the defect of pressfitting, before the defect position moves to compound roller department, through control system control electro-magnet switching on in the twinkling of an eye, the one end that is close to the magnetic path after the electro-magnet is switched on produces the repulsive magnetic field, and the magnetic path is promoted by the magnetism and slides along the conducting rod, changes the position of one or the magnetic path in a plurality of heating elements through the size of defect, and the electric wire slides back electric wire and the contact, and the wire has enough to flow through the wire to the contact, and the heating wire is closed to the temperature-up position, and the temperature-up time is guaranteed to the temperature-up, and the temperature-up is sufficient to the temperature-up is passed through to the electric wire.
Further, the position department that the installing support is close to the magnetic path is provided with the electro-magnet, electro-magnet and control system circuit connection, the electro-magnet is instant to be led to reverse current and can be produced the magnetic attraction that attracts the motion of magnetic path to let electric wire and power disconnection, the heating wire stops the heating, realizes the hot pressing to different positions through the state of a plurality of heating element of an electro-magnet control group, plays the effect of automatic temperature regulation.
Compared with the prior art, the invention has the following beneficial effects:
1. The internal gear ring enables the hot-pressing die to rotate through the tooth slot on the switching shaft, the rotating angle of the hot-pressing die along with the mandrel is corrected, the hot-pressing strips of the hot-pressing die in the first hot press are kept downwards all the time, the hot-pressing strips of the hot-pressing die in the second hot press are kept upwards all the time, and tangential friction contact between the hot-pressing die and a sanitary towel to be pressed is reduced; the state of a plurality of groups of heating assemblies is controlled by one electromagnet, so that the hot pressing at different positions is realized, and the automatic temperature regulation function is realized.
2. The cavity between shell and the die body is extruded when hot pressing mould and sanitary towel contact, and the gas in the cavity is compressed into the gas receiver, and the high-pressure gas in the gas receiver spouts the branch air groove through outlet duct and bellows after the pressfitting is accomplished in, divides the air groove to spout high-pressure air to hot-pressing position through a plurality of tangential gas pocket, and air pressure suddenly drops and leads to the temperature to reduce, plays the effect of cooling down to hot-pressing position, and the air current of high-speed injection is washed out the defect position that does not pressfitting, makes the defect expose grow, is convenient for range sensor detects sanitary towel.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic view of the overall appearance structure of the present invention;
FIG. 2 is a schematic view of the overall appearance structure of the present invention;
FIG. 3 is a schematic view of the structure of a portion of the press of the present invention;
FIG. 4 is a schematic view of a first press according to the present invention;
FIG. 5 is a schematic view of a first press according to the present invention;
FIG. 6 is a schematic view of the structure of the hot press mold of the present invention;
FIG. 7 is a schematic view showing the internal structure of the hot press mold of the present invention;
FIG. 8 is a schematic view showing the internal structure of the hot press mold of the present invention;
FIG. 9 is a schematic view of the construction of the laminating roller of the present invention;
In the figure: 1. a first hot press; 2. a second hot press; 3. a first laminating roller; 4. a second laminating roller; 5. a driving motor; 6. a mandrel; 7. three foot plates; 8. hot pressing a die; 9. an inner gear ring; 10. a duplex wheel; 11. a chain; 12. a transfer shaft; 13. a housing; 14. a die body; 15. hot pressing strips; 16. an elastic telescopic rod; 17. a spring; 18. an air cylinder; 19. an air inlet pipe; 20. an air outlet pipe; 21. a bellows; 22. tangential air holes; 23. a gas separation groove; 24. heating wires; 25. a conductive rod; 26. a magnetic block; 27. an electrically conductive wire; 28. an electromagnet.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 9, the present invention provides the following technical solutions: the utility model provides an automatic temperature-regulating type hot press forming device for sanitary towel production, including two installing supports, the upper and lower relative pair of hot press that sets up in one installing support, the upper and lower relative pair of double press roller that is provided with in another installing support, be provided with distance measurement sensor (not shown in the figure) between two installing supports, distance measurement sensor passes through the circuit to be connected with control system, a pair of hot press includes first hot press 1 and second hot press 2, first hot press 1 and second hot press 2 presss from the sanitary towel, distance measurement sensor detects sanitary towel, a pair of double press roller includes first double press roller 3 and second double press roller 4, first double press roller 3 and second double press roller 4 are to sanitary towel junction defect department carry out double press, knitted fabric, cotton core and cover cotton are from the type paper to enter into the hot press forming device after the complex, first hot press 1 and second hot press 2 cooperate the extrusion, with compound knitted fabric, cotton core and cover cotton are from the type paper to become one whole, press through detecting distance measurement sensor from top to bottom after the pressfitting. And further judging whether the lamination is successful, if the lamination is successful, controlling the heating components in the first lamination roller 3 and the second lamination roller 4 to heat through the control system, and carrying out the lamination on the lamination defect.
The first hot press 1 and the second hot press 2 are both rotationally connected with the installing support, the outside of the installing support corresponds the switching position of the first hot press 1 and the second hot press 2 and all is provided with driving motor 5, first hot press 1 includes mandrel 6, a pair of three foot plates 7 and three hot press mould 8, driving motor 5 and mandrel 6 coaxial coupling, a pair of three foot plates 7 set up in mandrel 6 are close to the position department at both ends, three foot plates 7 are Y-shaped, three hot press mould 8 installs between two three foot plates 7, three hot press mould 8 respectively with three bifurcation terminal rotation connection of three foot plates 7, every hot press mould 8 includes shell 13, die body 14 and hot press strip 15, the relative both sides of shell 13 are provided with changeover axle 12, changeover axle 12 and three foot plates 7 rotate and are connected, die body 14 slidable mounting is in shell 13, hot press strip 15 slidable mounting is in die body 14, be provided with a plurality of springs 17 between the top of die body 14 and shell 13, be provided with the heater strip in the heater strip 15 and control system connection, be connected with elastic rod 16 between strip 15 and the shell 13, elastic motor 16 is installed between two ring gear profile 10 and the profile 10 is connected with the dual-wheel profile 10, the profile 10 is still formed to the dual-ring gear 10 is connected with the profile 10, the dual-ring gear 10 is connected with the dual-ring profile 10, the dual-ring gear 10 is further, the dual-ring profile 10 is connected with the dual-ring gear 10 is far away from the outer gear 10, the dual ring gear 10 is connected with the dual ring gear 10, and is far away from the dual ring gear 10, and is connected with the dual ring gear 10, and has the dual ring gear, and has an inner gear, and has a function of the dual ring, and has a function of the dual device, and has a device.
The two driving motors 5 drive the first hot press 1 and the second hot press 2 to rotate, the first hot press 1 rotates anticlockwise, the second hot press 2 rotates clockwise, the rotating speed of the first hot press 1 is the same as that of the second hot press 2, three hot press dies 8 are mounted on each hot press, the hot press dies 8 on the first hot press 1 and the hot press dies 8 on the second hot press 2 are matched two by two, the three hot press dies 8 press sanitary napkins in turn, the mandrel 6 rotates, the double wheels 10 are driven by the chain 11 to rotate, the double wheels 10 further drive the annular gear 9 to rotate, the diameter of the double wheels 10 is smaller than that of the mandrel 6, and because the double wheels 10 are meshed with the inner ring of the annular gear 9, the rotating speed of the annular gear 9 is the same as that of the mandrel 6, the annular gear 9 and the rotating speed of the mandrel 6 are different, the mandrel 6 drives all the hot press dies 8 to move through the three hot press dies 7, the annular gear 9 enables the hot press dies 8 to rotate through the transfer shaft 12 so as to correct the angle of the rotation of the mandrel 6, the tooth grooves of the hot press dies 8 along with the rotation of the mandrel 6, the hot press dies 15 in the first hot press 1 always face upwards, the hot press dies 15 always face upwards, and the hot press dies 15 always face the hot press dies 15 in the hot press dies 2 of the hot press machines always contact the hot press dies 15, and the hot press strips in the hot press dies 15 always face between the hot press dies 15 to be pressed between the hot press strips of the hot press dies 15.
The air storage cylinder 18 is arranged above the shell 13, two ends of the air storage cylinder 18 are respectively connected with the air inlet pipe 19 and the air outlet pipe 20, the air inlet pipe 19 and the air outlet pipe 20 are communicated with a cavity between the shell 13 and the die body 14, the shell 13 is provided with an air inlet hole, check valves (not shown in the drawing) are arranged in the air inlet hole and the air inlet pipe 19, the air outlet pipe 20 is provided with an electric control valve (not shown in the drawing), an electric control switch is arranged between the die body 14 and the shell 13, the electric control valve and the electric control switch are all connected with a control system circuit, an air distribution groove 23 is formed in the die body 14, the air distribution groove 23 is communicated with the air outlet pipe 20 through a telescopic corrugated pipe 21, a plurality of tangential air holes 22 are formed in the bottoms of the air distribution groove 23 and the die body 14 in a penetrating mode, and a plurality of tangential air holes 22 are formed towards the hot pressing bar 15.
When the hot pressing mold 8 contacts with the sanitary towel, the mold body 14 assembly contracts inwards towards the shell 13, the electric control switch controls the electric control valve to be closed when the mold body 14 contracts inwards, a cavity between the shell 13 and the mold body 14 is extruded, air in the cavity is compressed into the air storage cylinder 18, the mold body 14 tightly fixes the sanitary towel through the acting force of the spring 17, the hot pressing strips 15 contact with the sanitary towel to press the sanitary towel after the mold body 14 assembly contracts inwards towards the shell 13 to a certain distance, the plurality of elastic telescopic rods 16 balance the contact force of the hot pressing strips 15 and the sanitary towel, after the first pressing is completed, the mold body 14 extends outwards from the shell 13 under the action of the spring 17 along with the separation of the pair of hot pressing mold 8 assemblies, external air supplements air into the cavity through the air inlet hole, the electric control valve is opened when the mold body 14 extends outwards through the electric control switch, high-pressure air in the air storage cylinder 18 is sprayed into the air distribution groove 23 through the air outlet pipe 20 and the telescopic bellows 21, then the air distribution groove 23 sprays high-pressure air to the hot pressing position through the plurality of tangential air holes 22, the air pressure drop leads to temperature reduction, the effect of cooling the hot pressing position is achieved, if the hot pressing position is cooled down, the defect of the high-pressure position is detected, the defect of the sanitary towel is not exposed, and the distance measurement is sensed when the defect is sensed, and the defect is detected when the high-pressure is detected, and the position is exposed.
The first double-pressing roller 3 and the second double-pressing roller 4 are rotatably arranged on a mounting bracket, a driving motor 5 is arranged at the outer side of the mounting bracket corresponding to the switching position of the first double-pressing roller 3 and the second double-pressing roller 4, a plurality of heating components are uniformly distributed in a spoke shape in the first double-pressing roller 3, each heating component comprises two sections of heating wires 24, a conducting rod 25, a magnetic block 26 and an electric conducting wire 27, the two sections of heating wires 24 are connected in the same conducting wire, the conducting rod 25 is arranged at one end of the conducting wire, the other end of the conducting wire is connected with a power supply, the magnetic block 26 is slidably arranged on the conducting rod 25, the electric conducting wire 27 is arranged on the magnetic block 26, the electric conducting wire 27 is contacted with the conducting rod 25, an electromagnet 28 is arranged at the position of the mounting bracket, which is close to the magnetic block 26, the electromagnet 28 is connected with a control system circuit, if a distance measuring sensor detects a pressing defect, before the defect position moves to the double-pressing roller, the electromagnet 28 is controlled by the control system to be instantly electrified, one end of the electromagnet 28, which is close to the magnet 26, generates a repulsive magnetic field, the magnet 26 is pushed by magnetic repulsion force and slides along the conducting rod 25, the position of the magnet 26 in one or a plurality of heating components is changed by the size of the defect, the conducting wire 27 is connected with a power supply contact after the magnet 26 slides, current flows through the conducting wire, the heating wire 24 is electrified to heat, the heating wire 24 is heated from the beginning of heating to the time of rotating to the contact with the sanitary towel, the heating wire 24 is heated to the temperature of enough pressing, the defective position is pressed again, the pressing defect is eliminated, the electromagnet 28 can generate magnetic attraction force for attracting the movement of the magnet 26 through instant reverse current, the conducting wire 27 is disconnected with the power supply, the heating wire 24 stops heating, the state of a plurality of groups of heating components is controlled by one electromagnet 28, realize the hot pressing of different positions, play the effect of automatic temperature regulation.
The working principle of the invention is as follows: the knitted fabric, the cotton core and the cotton-covered release paper enter the hot press forming device after being compounded, the first hot press 1 and the second hot press 2 are mutually matched and extruded, the compounded knitted fabric, the cotton core and the cotton-covered release paper are pressed into a whole, and the distance between the upper pressing surface and the lower pressing surface of the sanitary towel and the distance measuring sensor is detected after the lamination is finished. And further judging whether the lamination is successful, if the lamination is successful, controlling the heating components in the first lamination roller 3 and the second lamination roller 4 to heat through the control system, and carrying out the lamination on the lamination defect.
The two driving motors 5 drive the first hot press 1 and the second hot press 2 to rotate, the first hot press 1 rotates anticlockwise, the second hot press 2 rotates clockwise, the rotating speed of the first hot press 1 is the same as that of the second hot press 2, three hot press dies 8 are mounted on each hot press, the hot press dies 8 on the first hot press 1 and the hot press dies 8 on the second hot press 2 are matched two by two, the three hot press dies 8 press sanitary napkins in turn, the mandrel 6 rotates, the double wheels 10 are driven by the chain 11 to rotate, the double wheels 10 further drive the annular gear 9 to rotate, the diameter of the double wheels 10 is smaller than that of the mandrel 6, and because the double wheels 10 are meshed with the inner ring of the annular gear 9, the rotating speed of the annular gear 9 is the same as that of the mandrel 6, the annular gear 9 and the rotating speed of the mandrel 6 are different, the mandrel 6 drives all the hot press dies 8 to move through the three hot press dies 7, the annular gear 9 enables the hot press dies 8 to rotate through the transfer shaft 12 so as to correct the angle of the rotation of the mandrel 6, the tooth grooves of the hot press dies 8 along with the rotation of the mandrel 6, the hot press dies 15 in the first hot press 1 always face upwards, the hot press dies 15 always face upwards, and the hot press dies 15 always face the hot press dies 15 in the hot press dies 2 of the hot press machines always contact the hot press dies 15, and the hot press strips in the hot press dies 15 always face between the hot press dies 15 to be pressed between the hot press strips of the hot press dies 15.
When the hot pressing mold 8 contacts with the sanitary towel, the mold body 14 assembly contracts inwards towards the shell 13, the electric control switch controls the electric control valve to be closed when the mold body 14 contracts inwards, a cavity between the shell 13 and the mold body 14 is extruded, air in the cavity is compressed into the air storage cylinder 18, the mold body 14 tightly fixes the sanitary towel through the acting force of the spring 17, the hot pressing strips 15 contact with the sanitary towel to press the sanitary towel after the mold body 14 assembly contracts inwards towards the shell 13 to a certain distance, the plurality of elastic telescopic rods 16 balance the contact force of the hot pressing strips 15 and the sanitary towel, after the first pressing is completed, the mold body 14 extends outwards from the shell 13 under the action of the spring 17 along with the separation of the pair of hot pressing mold 8 assemblies, external air supplements air into the cavity through the air inlet hole, the electric control valve is opened when the mold body 14 extends outwards through the electric control switch, high-pressure air in the air storage cylinder 18 is sprayed into the air distribution groove 23 through the air outlet pipe 20 and the telescopic bellows 21, then the air distribution groove 23 sprays high-pressure air to the hot pressing position through the plurality of tangential air holes 22, the air pressure drop leads to temperature reduction, the effect of cooling the hot pressing position is achieved, if the hot pressing position is cooled down, the defect of the high-pressure position is detected, the defect of the sanitary towel is not exposed, and the distance measurement is sensed when the defect is sensed, and the defect is detected when the high-pressure is detected, and the position is exposed.
If the distance measuring sensor detects the lamination defect, before the defect position moves to the back pressure roller, the electromagnet 28 is controlled by the control system to be electrified instantly, one end of the electromagnet 28, which is close to the magnet 26, generates a repulsive magnetic field after being electrified, the magnet 26 is pushed by magnetic repulsive force and slides along the conducting rod 25, the position of the magnet 26 in one or a plurality of heating assemblies is changed by the size of the defect, the conducting wire 27 is connected with a power supply contact after the magnet 26 slides, current flows through the conducting wire, the heating wire 24 is electrified and heated, the heating wire 24 is heated to a temperature sufficient for lamination in the period from the beginning to the rotating to the contact with the sanitary towel, the defective position is pressed again, the lamination defect is eliminated, the electromagnet 28 can generate a magnetic attraction force for attracting the magnet 26 to move, the conducting wire 27 is disconnected with the power supply, the heating wire 24 stops heating, the state of a plurality of groups of heating assemblies is controlled by the electromagnet 28, and the functions of automatically adjusting the temperature are realized.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. Automatic temperature-adjusting type hot-press forming device for sanitary towel production comprises two mounting brackets and is characterized in that: a pair of hot presses are oppositely arranged up and down in one mounting bracket, a pair of double-pressing rollers are oppositely arranged up and down in the other mounting bracket, a distance measuring sensor is arranged between the two mounting brackets, the distance measuring sensor is connected with a control system through a circuit, the pair of hot presses comprises a first hot press (1) and a second hot press (2), the first hot press (1) and the second hot press (2) press the sanitary towel, the distance measuring sensor detects the sanitary towel, the pair of double-pressing rollers comprises a first double-pressing roller (3) and a second double-pressing roller (4), and the first double-pressing roller (3) and the second double-pressing roller (4) press the joint defect of the sanitary towel;
The hot press comprises a first hot press (1) and a second hot press (2), wherein the first hot press and the second hot press are both rotationally connected with a mounting bracket, the outer sides of the mounting bracket are respectively provided with a driving motor (5) corresponding to the switching positions of the first hot press (1) and the second hot press (2), the first hot press (1) comprises a mandrel (6), a pair of three foot plates (7) and three hot press dies (8), the driving motors (5) are coaxially connected with the mandrel (6), the pair of three foot plates (7) are arranged at positions, close to two ends, of the mandrel (6), the three foot plates (7) are Y-shaped, the three hot press dies (8) are arranged between the two three foot plates (7), and the three hot press dies (8) are rotationally connected with three bifurcation ends of the three foot plates (7) respectively;
Each hot-pressing die (8) comprises a shell (13), a die body (14) and a hot-pressing strip (15), two opposite sides of the shell (13) are provided with a switching shaft (12), the switching shaft (12) is rotationally connected with a three-foot plate (7), the die body (14) is slidably mounted in the shell (13), the hot-pressing strip (15) is slidably mounted in the die body (14), a plurality of springs (17) are arranged between the top of the die body (14) and the shell (13), heating wires are arranged in the hot-pressing strip (15), the heating wires are connected with a control system through a circuit, an elastic telescopic rod (16) is connected between the hot-pressing strip (15) and the shell (13), and the elastic telescopic rod (16) penetrates through the die body (14);
The first hot press (1) further comprises an inner gear ring (9), a duplex wheel (10) and a chain (11), wherein a chain wheel is integrally arranged on the outer contour of one end of the mandrel (6) far away from the driving motor (5), tooth grooves are formed in the outer contour of the switching shaft (12) far away from the driving motor (5), the inner gear ring (9) is meshed with the tooth grooves, the duplex wheel (10) is rotatably arranged on the mounting bracket, the duplex wheel (10) is formed by compounding one chain wheel and one gear, the chain (11) is connected between the mandrel (6) and the duplex wheel (10), and the duplex wheel (10) is meshed with the inner gear ring (9).
2. The automatic temperature-adjusting type hot press forming device for producing sanitary napkins according to claim 1, characterized in that: the utility model discloses a gas storage device, including shell (13), gas receiver (18), intake pipe (19) and outlet duct (20) are connected with respectively in the top of shell (13), intake pipe (19) and outlet duct (20) all with shell (13) and die body (14) between the cavity intercommunication, the inlet port has been seted up on shell (13), all be provided with the check valve in inlet port and the intake pipe (19), be provided with the electrically controlled valve in outlet duct (20), be provided with automatically controlled switch between die body (14) and shell (13), automatically controlled valve and automatically controlled switch all are connected with control system circuit.
3. The automatic temperature-adjusting type hot press forming device for producing sanitary napkins according to claim 2, characterized in that: the inside of die body (14) has been seted up and has been divided gas groove (23), divide gas groove (23) to be linked together with outlet duct (20) through flexible bellows (21), divide gas groove (23) and the bottom of die body (14) to run through and have been seted up a plurality of tangential gas pocket (22), a plurality of tangential gas pocket (22) all are offered towards hot layering (15).
4. The automatic temperature-adjusting type hot press forming device for producing sanitary napkins according to claim 1, characterized in that: the utility model discloses a solar energy power generation device, including first compound compression roller (3) and second compound compression roller (4), the outside of installing support corresponds the switching position of first compound compression roller (3) and second compound compression roller (4) and also is provided with driving motor (5), the inside spoke form equipartition that is of first compound compression roller (3) is provided with a plurality of heating element, every heating element includes two sections heating wire (24), conducting rod (25), magnetic path (26) and electric wire (27), two sections heating wire (24) are connected in same wire, conducting rod (25) set up the one end at the wire, the other end of wire is connected with the power, magnetic path (26) slide and set up on conducting rod (25), electric wire (27) are installed on magnetic path (26), and electric wire (27) contact with conducting rod (25).
5. The automatic temperature-adjusting type hot press forming device for producing sanitary napkins according to claim 4, characterized in that: an electromagnet (28) is arranged at the position, close to the magnetic block (26), of the mounting bracket, and the electromagnet (28) is in circuit connection with the control system.
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| CN202410660459.8A CN118453265B (en) | 2024-05-27 | 2024-05-27 | Automatic temperature-regulating type hot-press forming device for sanitary towel production |
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