CN108748396B - Foam rubber manufacturing device and foam rubber manufacturing process - Google Patents
Foam rubber manufacturing device and foam rubber manufacturing process Download PDFInfo
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- CN108748396B CN108748396B CN201810594422.4A CN201810594422A CN108748396B CN 108748396 B CN108748396 B CN 108748396B CN 201810594422 A CN201810594422 A CN 201810594422A CN 108748396 B CN108748396 B CN 108748396B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/38—Cutting-out; Stamping-out
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/04—Punching, slitting or perforating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/04—Punching, slitting or perforating
- B32B2038/045—Slitting
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- Mattresses And Other Support Structures For Chairs And Beds (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The invention belongs to the technical field of foam rubber and discloses a foam rubber manufacturing device which comprises a first mould assembly and a second mould assembly, wherein the first mould assembly is used for cutting and forming a first foam assembly, the second mould assembly is used for cutting and forming a second foam assembly, and different moulds are used for processing step by step, so that the structure of the mould is simplified, and the problem that foam rubber is clamped in gaps among cutting tools easily in one-time processing is avoided. The invention also discloses a foam rubber manufacturing process, which comprises the following steps: bonding and cutting the first base film, the first double-sided adhesive and the gauze to form a first foam component; bonding and cutting the second base film and the second double-sided adhesive to form a second foam assembly; and bonding the second double-sided adhesive with the gauze to bond the first foam component and the second foam component into a whole. According to the invention, the foam adhesive is divided into the first foam component and the second foam component, so that the cutting thickness of the die can be reduced, and the problem that the hole edge and the cutting edge are easy to deform is avoided.
Description
Technical Field
The invention relates to the technical field of foam rubber, in particular to a foam rubber manufacturing device and a foam rubber manufacturing process.
Background
The foam adhesive is prepared by coating one or two surfaces of foam as a base material with solvent-type (or hot-melt-type) pressure-sensitive adhesive and then compounding with release paper, has the functions of sealing and shock absorption, has excellent compression deformation resistance, flame retardance, wettability and the like, and is widely applied to electronic and electric products, mechanical parts, automobile accessories and the like.
According to the difference of bubble celloidin application area to have certain requirement to its shape, the bubble celloidin of specific shape generally adopts the mould once only to process and forms, because the restriction of processing cost and handling capacity size, the mould of general adoption all is fairly simple and with low costs, current mould only has the cutting die of certain arrangement rule below the base, in the space of bubble celloidin card between the cutting tool often appears after the cutting is accomplished, influence machining efficiency, and when the thickness of bubble celloidin is great, the hole of processing on the bubble celloidin and bubble celloidin edge take place to warp easily, influence processingquality.
Disclosure of Invention
The invention aims to provide a foam adhesive manufacturing device and a foam adhesive manufacturing process, and aims to solve the problems that foam adhesive is often clamped in a gap between cutting tools after cutting is finished and holes processed on the foam adhesive and the edges of the foam adhesive are easy to deform when thicker foam adhesive is processed in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a bubble celloidin manufacturing installation, is including the first mould subassembly that is used for the cutting to form the cotton subassembly of first bubble and the second mould subassembly that is used for the cutting to form the cotton subassembly of second bubble, first mould subassembly is including carrying out first mould, second mould, third mould and the fourth mould of cutting in proper order, second mould subassembly is including carrying out the fifth mould and the sixth mould of cutting in proper order.
Preferably, the first mold comprises a first base, a first strip-shaped cutter is arranged on the first base in an extending direction of the first base in an extending manner, first hole cutters are respectively arranged at two ends of the first base, a plurality of second hole cutters are arranged between the two first hole cutters, and a closed area defined by cutting edges of the first hole cutters and the second hole cutters is of a hollow structure; in the extending reverse direction of the first hole cutter, the length of the second hole cutter is the same as that of the first strip-shaped cutter, and the length of the first hole cutter is greater than that of the second hole cutter.
Preferably, the second mold comprises a second base, a third hole cutter and a fourth hole cutter are respectively arranged at two ends of the second base, a plurality of fifth hole cutters are arranged between the third hole cutter and the fourth hole cutter, and closed areas defined by cutting edges of the third hole cutter, the fourth hole cutter and the fifth hole cutter are all hollow structures; in the extending direction of the fourth hole cutter, the lengths of the third hole cutter and the fifth hole cutter are the same, and the length of the fourth hole cutter is larger than that of the third hole cutter.
Preferably, the third mold comprises a third base, a sixth hole cutter and a seventh hole cutter are respectively arranged at two ends of the third base, a plurality of eighth hole cutters are arranged between the sixth hole cutter and the seventh hole cutter, a ninth hole cutter is arranged between two adjacent eighth hole cutters, two sixth hole cutters, two seventh hole cutters and two ninth hole cutters are arranged, and the two sixth hole cutters, two seventh hole cutters and two ninth hole cutters are arranged in parallel relatively along the extension direction of the third base; and closed areas defined by the cutting edges of the sixth hole cutter, the seventh hole cutter, the eighth hole cutter and the ninth hole cutter are all hollow structures.
Preferably, the fourth mold comprises a fourth base, wherein one end of the fourth base is provided with a second strip-shaped knife, and the fourth base is provided with a plurality of third strip-shaped knives.
Preferably, the fifth mold comprises a fifth base, and a fourth strip-shaped knife is arranged on the fifth base in an extending direction of the fifth base in an extending manner; tenth hole cutters are respectively arranged at two ends of the fifth base, an eleventh hole cutter, a twelfth hole cutter, a thirteenth hole cutter and a fourteenth hole cutter are arranged between the two tenth hole cutters, and closed areas defined by cutting edges of the tenth hole cutter, the eleventh hole cutter, the twelfth hole cutter, the thirteenth hole cutter and the fourteenth hole cutter are all hollow structures; in the extending direction of the tenth hole cutter, the lengths of the eleventh hole cutter, the twelfth hole cutter, the thirteenth hole cutter and the fourteenth hole cutter are the same, and the length of the fourth strip-shaped cutter is greater than that of the eleventh hole cutter and less than that of the tenth hole cutter.
Preferably, the sixth mold comprises a sixth base, wherein a fifteenth hole cutter and a sixteenth hole cutter are respectively arranged at two ends of the sixth base, two fifteenth hole cutters and two sixteenth hole cutters are respectively arranged, and the two fifteenth hole cutters and the two sixteenth hole cutters are arranged in parallel relatively along the extending direction of the sixth base; seventeenth hole cutters are arranged between the fifteenth hole cutter and the sixteenth hole cutter, four seventeenth hole cutters are arranged, and the seventeenth hole cutters are arranged in parallel in a pairwise opposite mode along the extending direction of the sixth base; and closed areas surrounded by the cutting edges of the fifteenth hole cutter, the sixteenth hole cutter and the seventeenth hole cutter are all hollow structures.
Preferably, the length of the first hole cutter is 0.15mm greater than the length of the second hole cutter.
Preferably, the length of the fourth hole cutter is 0.1mm greater than the length of the third hole cutter.
In order to achieve the purpose, the invention also provides a foam viscose manufacturing process, and the foam viscose manufacturing device comprises the following steps:
bonding and cutting the first base film, the first double-sided adhesive and the gauze to form a first foam adhesive component;
bonding and cutting the second base film and the second double-sided adhesive to form a second foam assembly;
and bonding the second double-sided adhesive and the gauze to bond the first foam component and the second foam component into a whole.
The invention has the beneficial effects that:
according to the foam rubber manufacturing device provided by the invention, the first foam rubber component is formed by cutting and processing through the first die, the second die, the third die and the fourth die in sequence, the second foam rubber component is formed by cutting and processing through the fifth die and the sixth die in sequence, and the step-by-step processing is performed through different dies, so that the structure of the dies is simplified, and the problem that the foam rubber which is easy to occur in one-step processing is clamped in a gap between cutting tools to influence the processing efficiency is avoided.
According to the manufacturing process of the foam adhesive, the foam adhesive is divided into the first foam assembly and the second foam assembly, so that the cutting thickness of the die in the processing process can be reduced, the problem that holes and edges are easy to deform when the holes are processed in the foam adhesive or the foam adhesive is cut is solved, and the processing quality is improved.
Drawings
FIG. 1 is a schematic structural view of a first mold provided by the present invention;
FIG. 2 is a schematic structural view of a second mold provided by the present invention;
FIG. 3 is a schematic structural view of a third mold provided by the present invention;
FIG. 4 is a schematic structural view of a fourth mold provided by the present invention;
FIG. 5 is a schematic structural view of a fifth mold provided by the present invention;
FIG. 6 is a schematic structural view of a sixth mold provided by the present invention;
FIG. 7 is a flow chart of the foam process provided by the present invention;
fig. 8 is a schematic structural diagram of a positioning fixture in the foam rubber manufacturing process provided by the present invention.
In the figure:
1. a first mold; 11. a first base; 12. a first hole cutter; 13. a second hole cutter; 14. a first bar cutter;
2. a second mold; 21. a second base; 22. a third hole cutter; 23. a fifth hole cutter; 24. a fourth hole cutter;
3. a third mold; 31. a third base; 32. a sixth hole cutter; 33. a seventh hole cutter; 34. an eighth hole cutter; 35. a ninth hole cutter;
4. a fourth mold; 41. a fourth base; 42. a second bar cutter; 43. a third bar cutter;
5. a fifth mold; 51. a fifth base; 52. a tenth hole cutter; 53. an eleventh hole cutter; 54. a twelfth hole cutter; 55. a thirteenth hole cutter; 56. a fourteenth hole cutter; 57. a fourth bar cutter;
6. a sixth mold; 61. a sixth base; 62. a fifteenth hole cutter; 63. a sixteenth hole cutter; 64. a seventeenth hole cutter; 65. an eighteenth hole cutter;
7. positioning a jig; 71. and a positioning column.
Detailed Description
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
As shown in fig. 1 to 6, the present embodiment provides a foam rubber manufacturing apparatus including a first mold assembly for cutting and forming a first foam assembly and a second mold assembly for cutting and forming a second foam assembly. The first die assembly comprises a first die 1, a second die 2, a third die 3 and a fourth die 4 which are used for cutting in sequence, and the second die assembly comprises a fifth die 5 and a sixth die 6 which are used for cutting in sequence. The first foam assembly comprises a first base film, first double-sided adhesive and gauze, and the second foam assembly comprises a second base film and second double-sided adhesive.
Specifically, as shown in fig. 1, the first mold 1 includes a first base 11, in this embodiment, the first base 11 is a rectangular parallelepiped structure, but in other embodiments, the shape of the first base 11 may be set according to actual needs. Along the extending direction of first base 11 on the first base 11, be provided with first bar sword 14 on the length direction of first base 11 promptly, first bar sword 14 is used for cutting whole first basement membrane, carries out the equipment of product after the post processing of being convenient for is accomplished. Two ends of the first base 11 are respectively provided with a first hole cutter 12 for processing positioning holes at two ends of the first base film. A plurality of second hole cutters 13 are arranged between the two first hole cutters 12, and the number of the second hole cutters 13 is four in this embodiment. In this embodiment, the radial cross sections of the first hole cutter 12 and the second hole cutter 13 along the respective length directions are both circular rings, wherein the outer diameter of one of the first hole cutter 12 is 3.02mm, the outer diameter of the other one of the first hole cutter 12 is 4.02mm, and the outer diameter of the second hole cutter 13 is 2.08mm, but in other embodiments, the radial cross sections of the first hole cutter 12 and the second hole cutter 13 along the respective length directions may be set according to actual needs.
The closed area enclosed by the cutting edges of the first hole cutter 12 and the second hole cutter 13 is a hollow structure. The closed area surrounded by the cutting edges of the first hole cutter 12 and the second hole cutter 13 is set to be a hollow structure, a small gap can be generated between the cut part of the first double-sided adhesive and the body of the first double-sided adhesive, the cut part of the first double-sided adhesive is prevented from being adhered back, and the processing efficiency is improved.
In addition, in the extending direction of the first hole cutter 12, that is, in the thickness direction of the first base 11, the lengths of the four second hole cutters 13 and the first strip cutter 14 are the same, and the length of the first hole cutter 12 is greater than the lengths of the second hole cutters 13 and the first strip cutter 14, in this embodiment, the length of the first hole cutter 12 is greater than the length of the second hole cutter 13 by 0.15mm, so that the first hole cutter 12 can cut the first base film to process the positioning hole.
As shown in fig. 2, the second mold 2 includes a second base 21, a third hole cutter 22 and a fourth hole cutter 24 are respectively disposed at two ends of the second base 21, a plurality of fifth hole cutters 23 are disposed between the third hole cutter 22 and the fourth hole cutter 24, in this embodiment, the number of the fifth hole cutters 23 is six, closed regions surrounded by cutting edges of the third hole cutter 22, the fourth hole cutter 24, and the fifth hole cutter 23 are all hollow structures, in this embodiment, a radial cross section of the third hole cutter 22 along a length direction is an irregular polygon, a radial cross section of the fourth hole cutter 24 and the fifth hole cutter 23 along the respective length direction is a waist-shaped ring, and in other embodiments, shapes of the radial cross sections of the third hole cutter 22, the fourth hole cutter 24, and the fifth hole cutter 23 along the respective length direction may be set according to actual needs. The closed area surrounded by the cutting edges of the third hole cutter 22, the fourth hole cutter 24 and the fifth hole cutter 23 is set to be a hollow structure, a small gap can be generated between the cut part of the first double-sided adhesive and the body of the first double-sided adhesive, the cut part of the first double-sided adhesive is prevented from being adhered back, and the processing efficiency is improved.
In addition, in the extending direction of the fourth hole cutter 24, that is, in the thickness direction of the second base 21, the lengths of the third hole cutter 22 and the fifth hole cutter 23 are the same, and the length of the fourth hole cutter 24 is 0.1mm greater than the length of the third hole cutter 22.
As shown in fig. 3, the third mold 3 includes a third base 31, a sixth hole cutter 32 and a seventh hole cutter 33 are respectively disposed at two ends of the third base 31, and a plurality of eighth hole cutters 34 are disposed between the sixth hole cutter 32 and the seventh hole cutter 33, in this embodiment, the number of the eighth hole cutters 34 is three. A ninth hole cutter 35 is arranged between two adjacent eighth hole cutters 34. In this embodiment, the radial cross sections of the sixth hole cutter 32, the seventh hole cutter 33, the eighth hole cutter 34 and the ninth hole cutter 35 along the respective length directions are all in a kidney-shaped ring shape, but in other embodiments, the radial cross sections of the sixth hole cutter 32, the seventh hole cutter 33, the eighth hole cutter 34 and the ninth hole cutter 35 along the respective length directions may be set according to actual needs.
The sixth hole cutter 32, the seventh hole cutter 33 and the ninth hole cutter 35 are all provided with two, and along the extending direction of the third base 31, the two sixth hole cutters 32, the two seventh hole cutters 33 and the two ninth hole cutters 35 are all arranged in parallel relatively. In addition, the closed regions surrounded by the cutting edges of the sixth hole cutter 32, the seventh hole cutter 33, the eighth hole cutter 34 and the ninth hole cutter 35 are all hollow structures. The closed area formed by the cutting edges of the sixth hole cutter 32, the seventh hole cutter 33, the eighth hole cutter 34 and the ninth hole cutter 35 is set to be a hollow structure, a small gap can be generated between the first double-sided adhesive of the cut part and the body of the first double-sided adhesive, the first double-sided adhesive of the cut part is prevented from being adhered back, and the processing efficiency is improved.
Specifically, as shown in fig. 4, the fourth mold 4 includes a fourth base 41, a second strip-shaped knife 42 is disposed at one end of the fourth base 41, and a plurality of third strip-shaped knives 43 are disposed on the fourth base 41, in this embodiment, the number of the third strip-shaped knives 43 is three. The second strip-shaped knife 42 and the third strip-shaped knife 43 are used for cutting the first base film according to the shape of the product to form a separately separated first foam assembly. The shapes of the second strip-shaped cutter 42 and the third strip-shaped cutter 43 are set according to the processing requirements.
Specifically, as shown in fig. 5, the fifth mold 5 includes a fifth base 51, and a fourth strip cutter 57 is disposed on the fifth base 51 along an extending direction of the fifth base 51. The fifth base 51 is provided with tenth hole cutters 52 at two ends thereof, an eleventh hole cutter 53, a twelfth hole cutter 54, a thirteenth hole cutter 55 and a fourteenth hole cutter 56 are provided between the two tenth hole cutters 52, and in this embodiment, the radial section of the eleventh hole cutter 53 along the length direction is in the shape of an irregular multi-deformation ring; the number of the twelfth hole cutters 54 is four, and the radial cross section along the length direction is circular; the number of the thirteenth hole cutters 55 is seven, and the radial section along the length direction is a waist-shaped ring shape; the radial section of the fourteenth hole cutter 56 along the length direction is circular, and the eleventh hole cutter 53, the twelfth hole cutter 54, the thirteenth hole cutter 55 and the fourteenth hole cutter 56 are arranged on the fifth base 51 according to the actual requirement. The outer diameter of one tenth hole cutter 52 is 3.02mm, the outer diameter of the other tenth hole cutter 52 is 4.02mm, the outer diameter of the twelfth hole cutter 54 is 2.30mm, and the outer diameter of the fourteenth hole cutter 56 is less than 2.30 mm. Furthermore, the closed areas surrounded by the cutting edges of the tenth hole cutter 52, the eleventh hole cutter 53, the twelfth hole cutter 54, the thirteenth hole cutter 55 and the fourteenth hole cutter 56 are all hollow structures.
The closed area defined by the cutting edges of the tenth hole cutter 52, the eleventh hole cutter 53, the twelfth hole cutter 54, the thirteenth hole cutter 55 and the fourteenth hole cutter 56 is set to be a hollow structure, so that a small gap can be formed between the cut part of the first double-sided adhesive and the body of the first double-sided adhesive, the cut part of the first double-sided adhesive is prevented from being adhered back, and the processing efficiency is improved.
In addition, in the extending direction of the tenth hole cutter 52, that is, the thickness direction of the fifth chassis 51, the lengths of the eleventh hole cutter 53, the twelfth hole cutter 54, the thirteenth hole cutter 55 and the fourteenth hole cutter 56 are the same, and the length of the tenth hole cutter 52 is 0.15mm greater than the length of the eleventh hole cutter 53, so that the eleventh hole cutter 53 can cut through the second base film to form the positioning hole, the length of the fourth bar cutter 57 is 0.08mm greater than the length of the eleventh hole cutter 53, so that the fourth bar cutter 57 can cut the second base film without completely cutting it.
Specifically, as shown in fig. 6, the sixth mold 6 includes a sixth base 61, a fifteenth hole cutter 62 and a sixteenth hole cutter 63 are respectively disposed at two ends of the sixth base 61, two fifteenth hole cutters 62 and two sixteenth hole cutters 63 are disposed at two ends of the sixth base 61, and along the extending direction of the sixth base 61, two fifteenth hole cutters 62 and two sixteenth hole cutters 63 are disposed in parallel relatively, and an eighteenth hole cutter 65 is disposed between the two fifteenth hole cutters 62 and the two sixteenth hole cutters 63.
The closed areas enclosed by the cutting edges of the fifteenth hole cutter 62, the sixteenth hole cutter 63, the seventeenth hole cutter 64 and the eighteenth hole cutter 65 are all hollow structures. In the present embodiment, the radial cross sections of the fifteenth hole cutter 62, the sixteenth hole cutter 63, and the seventeenth hole cutter 64 in the longitudinal direction thereof are all in a kidney-shaped ring shape, and the radial cross section of the eighteenth hole cutter 65 in the longitudinal direction thereof is in a circular ring shape. Through the closed region that the cutting edge that encloses fifteenth hole sword 62, sixteenth hole sword 63, seventeenth hole sword 64 and eighteenth hole sword 65 sets up to hollow structure, can produce the little clearance between the body of the first double faced adhesive tape of part that cuts and first double faced adhesive tape, avoid the first double faced adhesive tape of part that cuts to glue again, improve machining efficiency.
The present embodiment provides a foam manufacturing process, fig. 7 is a flowchart of the foam manufacturing process in the present embodiment, and the process is described in detail with reference to fig. 7, specifically as follows:
the method comprises the following steps: and adhering and cutting the first base film, the first double-sided adhesive and the gauze to form a first foam adhesive assembly.
Removing the film of the first side of the first double-sided adhesive, then adhering the first double-sided adhesive on the first base film, then enabling the second side of the first double-sided adhesive to face upwards, and then cutting through the first die 1; after being cut by the first die 1, the film on the second side of the first double faced adhesive is removed, a layer of gauze is bonded on the side, and then the side of the gauze which is not bonded with the first double faced adhesive faces upwards and is cut by the second die 2, the third die 3 and the fourth die 4 in sequence to form the first foam adhesive component. In this embodiment, the first substrate film is a blue PET release film, and the first double-sided adhesive is a 3M5909 double-sided adhesive.
Step two: bonding and cutting the second base film and the second double-sided adhesive to form a second foam assembly;
and removing the film of the first side of the second double-sided adhesive, then adhering the second double-sided adhesive on the second base film, then enabling the second side of the second double-sided adhesive to face upwards, and sequentially cutting through a fifth die 5 and a sixth die 6 to form a second foam assembly. In this embodiment, the second substrate film is a colorless and transparent PET release film, the second double-sided adhesive is a 3M5909 double-sided adhesive,
step three: and bonding the second double-sided adhesive and the gauze to bond the first foam component and the second foam component into a whole.
The second side of the second double faced adhesive, i.e., the side not attached to the second base film, is removed and then the second side of the second double faced adhesive is bonded to the side of the scrim not bonded to the first double faced adhesive, thereby bonding the first foam assembly and the second foam assembly together as a unit.
Of course, the sequence of the first step and the second step can be interchanged, that is, the second foam assembly is processed first, and then the first foam assembly is processed, although the first step and the second step can also be performed simultaneously.
Through dividing into the cotton subassembly of first bubble and the cotton subassembly of second bubble with the bubble cotton glue, can reduce the thickness of the cutting material of mould in the course of working to avoid processing hole or when cutting the bubble cotton glue on the bubble cotton glue, the hole that appears easily and the problem that the edge takes place to warp have improved processingquality. And first bubble celloidin subassembly loops through first mould 1, second mould 2, third mould 3 and fourth mould 4 and cuts processing, and the cotton subassembly of second bubble loops through fifth mould 5, sixth mould 6 and cuts processing, carries out substep processing through the mould of difference for the structure of mould obtains simplifying, has avoided the easy bubble celloidin card that appears in disposable processing in the space between the cutting tool, influences machining efficiency.
The manufacturing process of the foam will be described in detail below.
The first foam component processing process comprises the following steps:
1. the first base film is adhered to the first side of the first double-sided adhesive, positioning holes are respectively processed at two ends of the first base film through a first hole cutter 12, holes are formed in the first double-sided adhesive through a second hole cutter 13, then gauze is adhered to the second side of the first double-sided adhesive, two positioning columns 71 of a positioning jig 7 penetrate through the two positioning holes respectively to position the first base film, one side, which is not adhered to the first double-sided adhesive, of the gauze faces upwards, and the structure of the positioning jig 7 is shown in fig. 8.
2. The second mould 2 cuts gauze and first double faced adhesive tape, cuts into a plurality of sections with gauze and first double faced adhesive tape on length direction to place the shim plate between positioning jig 7 and first basement membrane when the cutting, raise first basement membrane, prevent that second mould 2 from touching reference column 71 when the cutting, influence the cutting quality.
3. Third mould 3 cuts the gauze, first double faced adhesive tape and first basement membrane, sixth hole sword 32, seventh hole sword 33 and ninth hole sword 35 will be through the gauze after the cutting of second mould 2 and the partial side on the width direction of first double faced adhesive tape excise, eighth hole sword 34 punches on first basement membrane, in addition, place the shim plate between positioning jig 7 and first basement membrane when the cutting, raise first basement membrane, prevent that third cutter 3 from touching reference column 71 when the cutting, influence the cutting quality.
4. The fourth die 4 cuts the first base film by the second and third strip-shaped knives 42 and 43 according to the shape of the product, and cuts the part of the structure from the whole first base film to form the first foam assembly.
And secondly, processing the second foam component:
1. the second base film is adhered to the first side of the second double-sided adhesive, positioning holes are respectively processed at two ends of the second base film through a tenth hole cutter 52, the first double-sided adhesive is cut into a plurality of sections in the length direction through an eleventh hole cutter 53 and a thirteenth hole cutter 55, holes are punched in the second double-sided adhesive through a twelfth hole cutter 54, two positioning columns 71 of a positioning jig 7 respectively penetrate through the two positioning holes to position the first base film, and one side of the second double-sided adhesive, which is not adhered to the second base film, is arranged upwards.
2. The sixth die 6 cuts the second double-sided adhesive, cuts off a part of the side edges in the width direction of the double-sided adhesive after being cut by the fifth die 5 by a fifteenth hole cutter 62, a sixteenth hole cutter 63 and a seventeenth hole cutter 64, and punches a hole on the second double-sided adhesive by an eighteenth hole cutter 65 to form a second foam assembly. In addition, a cutter pad plate is placed between the positioning jig 7 and the second base film during cutting, the second base film is lifted, and the sixth cutter 6 is prevented from touching the positioning column 71 during cutting to influence the cutting quality.
3. Positioning the first foam component on the positioning column 71 of the positioning jig 7 through the positioning hole, wherein the gauze is arranged upwards; and then the film on the second side of the second double-faced adhesive is peeled off, so that the second double-faced adhesive is bonded with one side of the gauze which is not bonded with the first double-faced adhesive, and the first foam component and the second foam component are bonded into a whole.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (9)
1. A foam rubber manufacturing process is characterized by comprising the following steps:
bonding and cutting the first base film, the first double-sided adhesive and the gauze to form a first foam adhesive component;
bonding and cutting the second base film and the second double-sided adhesive to form a second foam assembly;
bonding the second double-sided adhesive with the gauze so that the first foam component and the second foam component are bonded into a whole;
the foam rubber manufacturing device adopting the foam rubber manufacturing process comprises a first mould component and a second mould component, wherein the first mould component is used for cutting and forming the first foam component, and the second mould component is used for cutting and forming the second foam component;
the first die assembly comprises a first die (1), a second die (2), a third die (3) and a fourth die (4) which are sequentially cut, and the second die assembly comprises a fifth die (5) and a sixth die (6) which are sequentially cut.
2. The foam rubber manufacturing process according to claim 1, wherein the first mold (1) comprises a first base (11), a first strip-shaped cutter (14) is arranged on the first base (11) in an extending direction of the first base (11), first hole cutters (12) are respectively arranged at two ends of the first base (11), a plurality of second hole cutters (13) are arranged between the two first hole cutters (12), and closed areas defined by cutting edges of the first hole cutters (12) and the second hole cutters (13) are both hollow structures;
in the extending direction of the first hole cutter (12), the length of the second hole cutter (13) is the same as that of the first strip cutter (14), and the length of the first hole cutter (12) is larger than that of the second hole cutter (13).
3. The foam rubber manufacturing process according to claim 1, wherein the second mold (2) comprises a second base (21), a third hole cutter (22) and a fourth hole cutter (24) are respectively arranged at two ends of the second base (21), a plurality of fifth hole cutters (23) are arranged between the third hole cutter (22) and the fourth hole cutter (24), and closed areas defined by cutting edges of the third hole cutter (22), the fourth hole cutter (24) and the fifth hole cutters (23) are all hollow structures;
in the extending direction of the fourth hole cutter (24), the lengths of the third hole cutter (22) and the fifth hole cutter (23) are the same, and the length of the fourth hole cutter (24) is larger than that of the third hole cutter (22).
4. The foam rubber manufacturing process according to claim 1, wherein the third mold (3) comprises a third base (31), a sixth hole cutter (32) and a seventh hole cutter (33) are respectively arranged at two ends of the third base (31), a plurality of eighth hole cutters (34) are arranged between the sixth hole cutter (32) and the seventh hole cutter (33), a ninth hole cutter (35) is arranged between two adjacent eighth hole cutters (34), two sixth hole cutters (32), two seventh hole cutters (33) and two ninth hole cutters (35) are arranged in parallel and opposite to each other along the extending direction of the third base (31);
the closed areas surrounded by the cutting edges of the sixth hole cutter (32), the seventh hole cutter (33), the eighth hole cutter (34) and the ninth hole cutter (35) are all hollow structures.
5. The foam rubber manufacturing process according to claim 1, wherein the fourth mold (4) comprises a fourth base (41), a second strip-shaped knife (42) is arranged at one end of the fourth base (41), and a plurality of third strip-shaped knives (43) are arranged on the fourth base (41).
6. The foam rubber manufacturing process according to claim 1, wherein the fifth mold (5) comprises a fifth base (51), a fourth strip-shaped cutter (57) is arranged on the fifth base (51) in an extending direction of the fifth base (51), tenth hole cutters (52) are respectively arranged at two ends of the fifth base (51), an eleventh hole cutter (53), a twelfth hole cutter (54), a thirteenth hole cutter (55) and a fourteenth hole cutter (56) are arranged between the two tenth hole cutters (52), and closed areas surrounded by cutting edges of the tenth hole cutter (52), the eleventh hole cutter (53), the twelfth hole cutter (54), the thirteenth hole cutter (55) and the fourteenth hole cutter (56) are all hollow structures;
in the extending direction of the tenth hole cutter (52), the lengths of the eleventh hole cutter (53), the twelfth hole cutter (54), the thirteenth hole cutter (55) and the fourteenth hole cutter (56) are the same, and the length of the fourth bar cutter (57) is longer than that of the eleventh hole cutter (53) and shorter than that of the tenth hole cutter (52).
7. The foam rubber manufacturing process according to claim 1, wherein the sixth mold (6) comprises a sixth base (61), a fifteenth hole cutter (62) and a sixteenth hole cutter (63) are respectively arranged at two ends of the sixth base (61), two fifteenth hole cutters (62) and two sixteenth hole cutters (63) are respectively arranged at two ends of the fifteenth hole cutter (62), and two fifteenth hole cutters (62) and two sixteenth hole cutters (63) are arranged in parallel relatively along the extending direction of the sixth base (61);
seventeenth hole cutters (64) are arranged between the fifteenth hole cutter (62) and the sixteenth hole cutter (63), four seventeenth hole cutters (64) are arranged, and the seventeenth hole cutters are arranged in parallel in a pairwise opposite mode along the extending direction of the sixth base (61);
the closed regions surrounded by the cutting edges of the fifteenth hole cutter (62), the sixteenth hole cutter (63) and the seventeenth hole cutter (64) are all hollow structures.
8. Foam gum manufacturing process according to claim 2, wherein the length of the first hole knife (12) is 0.15mm greater than the length of the second hole knife (13).
9. Foam gum manufacturing process according to claim 3, wherein the length of the fourth hole knife (24) is 0.1mm greater than the length of the third hole knife (22).
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| CN201810594422.4A CN108748396B (en) | 2018-06-11 | 2018-06-11 | Foam rubber manufacturing device and foam rubber manufacturing process |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103557256A (en) * | 2013-10-18 | 2014-02-05 | 意力(广州)电子科技有限公司 | Foam rubber assembly and manufacturing method thereof |
| CN104191701A (en) * | 2014-08-12 | 2014-12-10 | 隆扬电子（昆山）有限公司 | Buffering and dustproof foam and production process thereof |
| CN105881647A (en) * | 2015-01-26 | 2016-08-24 | 上海景奕电子科技有限公司 | Production method for foam die cutting part with inner handle |
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| JP3598628B2 (en) * | 1996-01-18 | 2004-12-08 | 富士電機リテイルシステムズ株式会社 | Manufacturing method of heat insulating material for heat insulating housing |
| CN206201098U (en) * | 2016-08-22 | 2017-05-31 | 广州市电桥电子科技有限公司 | A kind of 3M foam tapes shaping dies |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103557256A (en) * | 2013-10-18 | 2014-02-05 | 意力(广州)电子科技有限公司 | Foam rubber assembly and manufacturing method thereof |
| CN104191701A (en) * | 2014-08-12 | 2014-12-10 | 隆扬电子（昆山）有限公司 | Buffering and dustproof foam and production process thereof |
| CN105881647A (en) * | 2015-01-26 | 2016-08-24 | 上海景奕电子科技有限公司 | Production method for foam die cutting part with inner handle |
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