CN116078932A - Frame type silica gel foam pad and processing method and production line thereof - Google Patents

Frame type silica gel foam pad and processing method and production line thereof Download PDF

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Publication number
CN116078932A
CN116078932A CN202310120027.3A CN202310120027A CN116078932A CN 116078932 A CN116078932 A CN 116078932A CN 202310120027 A CN202310120027 A CN 202310120027A CN 116078932 A CN116078932 A CN 116078932A
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CN
China
Prior art keywords
silica gel
frame
foam pad
type silica
frame type
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Pending
Application number
CN202310120027.3A
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Chinese (zh)
Inventor
李凯
王洪雨
张敏
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Qingdao Kailin Electronic Technology Co ltd
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Qingdao Kailin Electronic Technology Co ltd
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Application filed by Qingdao Kailin Electronic Technology Co ltd filed Critical Qingdao Kailin Electronic Technology Co ltd
Priority to CN202310120027.3A priority Critical patent/CN116078932A/en
Publication of CN116078932A publication Critical patent/CN116078932A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D37/00—Tools as parts of machines covered by this subclass
    • B21D37/10—Die sets; Pillar guides
    • B21D37/12—Particular guiding equipment, e.g. pliers; Special arrangements for interconnection or cooperation of dies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/01—Means for holding or positioning work
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/06—Arrangements for feeding or delivering work of other than sheet, web, or filamentary form
    • 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
    • B26F1/44—Cutters therefor; Dies therefor

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Adhesive Tapes (AREA)

Abstract

The invention provides a frame type silica gel foam pad, a processing method and a production line thereof, and relates to the technical field of frame type silica gel foam pads. The processing method of the frame type silica gel foam pad comprises the steps of dividing three layers of composite materials into strip materials with fixed width according to the width requirement, wherein the three layers of composite materials are double-sided adhesive tapes with release paper stuck on foam pad raw materials; punching the fixed-width strip material according to the distance requirement to form a tape Kong Changtiao; cutting the strip with the holes into a fixed-length frame strip according to a certain length requirement; and (3) connecting the frame strips end to end according to the shape requirement, and gluing the frame wires where the two adjacent fixed-length frame strips are connected to each other to manufacture the frame type silica gel foam pad. Compared with the prior art, the invention has the following technical advantages: the frame type silica gel foam pad is produced by adopting the methods of slitting, punching, cutting and splicing, compared with the method of integral die cutting, the method has the advantages of improving the material utilization rate, reducing the material cost, along with high equipment universality, low equipment investment and saving the die cost.

Description

Frame type silica gel foam pad and processing method and production line thereof
Technical Field
The invention relates to the technical field of frame type silica gel foam pads, in particular to a frame type silica gel foam pad, a processing method and a production line thereof.
Background
The traditional battery pack adopts a mode of curing by gluing into sealing glue to seal and fix the upper cover and the shell, and the sealing problem is solved, but the glue curing time is long, and the later maintenance is inconvenient; as the silica gel foaming technology matured, silica gel foaming foam was gradually used instead of sealant.
At present, a method of integrally die-cutting a die is adopted to process silica gel foam into a frame type silica gel foam pad for sealing, and the following problems mainly exist: 1. the battery box body is large in size (such as 600 mm) but is made of frame materials with the width of about 20-25mm, and if an integral die cutting method is adopted, waste of intermediate materials is caused, and the cost is increased; 2. because the battery box body is large in size, the required frame type silica gel foam pad is large in tiling area, a die cutting machine with a larger breadth is required for die cutting, and the investment of early equipment is large; 3. the battery packs of different manufacturers have different sizes and are required to be provided with different die cutting tools, in addition, the sealing foam used for the new energy battery pack is required to be perforated, so that the fixing bolts of the shell and the upper cover pass through, and due to inconsistent sizes of the battery packs and different bolt intervals, the same sealing foam is required to be provided with different perforation intervals, and the die cost is high.
Disclosure of Invention
The invention provides a frame type silica gel foam pad, a processing method and a production line thereof, and solves the technical problems.
The specific technical scheme is that the processing method of the frame type silica gel foam pad comprises the following steps:
s1, slitting, namely slitting the three-layer composite material into strip-shaped materials with fixed width according to the width requirement, wherein the three-layer composite material is a double faced adhesive tape with release paper adhered on foam pad raw materials,
s2, punching, namely punching the strip-shaped material with the fixed width according to the distance requirement to form a belt Kong Changtiao,
s3, cutting, namely cutting the strip with the holes into a fixed-length frame strip according to a certain length requirement,
s4, forming, namely connecting a plurality of frame strips end to end according to the shape requirement, and gluing the frame wire where two adjacent fixed-length frame strips are connected to each other to manufacture the frame type silica gel foam pad.
Preferably, in step S3, the end of the fixed-length frame strip is provided with a notch.
Preferably, the method further comprises: and S01, preparing a three-layer composite material, and compositing double faced adhesive tape on one side of the foam pad raw material to form the three-layer composite material.
Preferably, the method further comprises a step S32 of attaching the fixing piece at the end part of the fixed-length frame strip, and then performing a step S4.
Preferably, in step S32, the fixing piece is close to one side of the release film of the double-sided adhesive tape.
Preferably, in step S32, the fixing piece on one side of the fixed length frame strip is a single frame strip, and the fixing pieces on both sides of the fixed length frame strip are double frame strips.
The frame type silica gel foam pad is processed by adopting the processing method.
Production line of frame silica gel bubble cotton pad includes: a circle sword slitting machine for dividing three-layer composite material strip, the interval adjustable puncher that punches, cutting machine, simulation frock and beat the gluing machine, the puncher is arranged in between circle sword slitting machine output with the input of cutting machine, simulation frock is according to the size design of product, just set up the location arch on the simulation frock.
Preferably, the method further comprises: the laminating machine is used for compounding foam pad raw materials and double-sided adhesive tapes, and is positioned at the front side of the input end of the circular knife slitting machine.
Preferably, the cutting edges of the cutting knife on the cutting machine are in a center symmetrical pattern.
Compared with the prior art, the invention has the following technical advantages:
1. the frame type silica gel foam pad is produced by adopting the methods of slitting, punching, cutting and splicing, compared with the method of integral die cutting, the material utilization rate is improved, the material cost is reduced,
2. when the processing method of the invention is adopted to process products with different specifications, the conveying stepping system is improved, the hole spacing and the length of the fixed-length frame strip can be changed, compared with a die cutting machine with large width, the equipment universality is high, the equipment investment is low,
3. by adopting the processing method of the invention, the product manufacturing requirements of different specifications and sizes can be met only by opening a simple punching and cutting die and without opening a die cutting tool, the die cost can be saved,
4. the frame type silica gel foam pad of the invention is reinforced at the joint position by using the fixing sheet and the gluing mode, can increase the strength of the joint position, has better product performance compared with a one-time die-cutting molding product,
5. the production line of the frame type silica gel foam pad adopts various existing equipment for linkage production, can reduce equipment investment, and is convenient and flexible to adjust in the aspects of width, hole spacing, length of fixed-length frame strips and the like when products with different specifications are processed.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:
FIG. 1 is a schematic diagram of the layer structure of a frame type silica gel foam pad in the present invention,
figure 2 is a top view of two frame type silica gel foam pads of the present invention,
FIG. 3 is a schematic view of a production line of a frame type silica gel foam pad in example 1,
figure 4 is a top view of an analog tooling of example 1,
fig. 5 is a schematic view of the cutting marks of two kinds of the cutter in example 2, wherein:
101. a foam cushion layer 102, a double-sided adhesive layer 103, a positioning hole 104, a fixing sheet 105 and a release paper layer,
201. laminating machine 202, circular knife slitting machine 203, puncher 204, cutting machine 205, simulation frock, 206, location arch.
Detailed Description
The present invention will be described in further detail with reference to the embodiments and the accompanying drawings, for the purpose of making the objects, technical solutions and advantages of the present invention more apparent. The exemplary embodiments of the present invention and the descriptions thereof are used herein to explain the present invention, but are not intended to limit the invention.
In the description of the present invention, it should be noted that the terms "inner", "outer", "left" and "right" are used for indicating orientations or positional relationships based on the positional relationships shown in the drawings, and are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In view of the problems of material waste, large equipment investment and different die cutting tools existing in the method for manufacturing the frame type silica gel foam pad by adopting the integral die cutting method of the die. The application designs the research of a frame type silica gel foam pad, a processing method thereof and a production line, and specifically comprises the following steps:
the processing method of the frame type silica gel foam pad comprises the following steps:
s1, slitting, namely slitting the three-layer composite material into strip-shaped materials with fixed width according to the width requirement, wherein the three-layer composite material is a double faced adhesive tape with release paper adhered on foam pad raw materials,
s2, punching, namely punching the strip-shaped material with the fixed width according to the distance requirement to form a belt Kong Changtiao,
s3, cutting, namely cutting the strip with the holes into a fixed-length frame strip according to a certain length requirement,
s4, forming, namely connecting a plurality of frame strips end to end according to the shape requirement, and gluing the frame wire where two adjacent fixed-length frame strips are connected to each other to manufacture the frame type silica gel foam pad.
The frame type silica gel foam pad is produced by adopting the methods of slitting, punching, cutting and splicing, only a small amount of excess materials need to be discharged at the punching stage and the cutting end, the material utilization rate is high, and the material cost is greatly reduced compared with the method of integral die cutting. By adopting the processing method, the product manufacturing requirements of different specifications and sizes can be met only by opening a simple punching and cutting die and without opening a die cutting tool, and the die cost can be saved, especially when the specifications and the sizes of the battery pack are changed. When the specification and the size of the battery pack change, the size of the frame type silica gel foam pad to be used in a sealing way also changes correspondingly, mainly the width and the length of a single frame, the width is adjusted through a slitting link, and the length is adjusted through a cutting link; when the distance between the shell of the battery pack and the fixing bolt of the upper cover is changed, the distance between holes for the fixing bolt to pass through on the frame type silica gel foam pad is correspondingly changed, and the distance is adjusted through a punching link. The hole spacing and the length of the fixed-length frame strip can be changed by adjusting the speed of the stepping system in conveying. The frame type silica gel foam pad is glued at the joint position, so that the strength of the joint can be increased, and compared with a one-time die-cutting formed product, the product performance is better.
In one embodiment, in step S3, the end of the fixed length frame strip is notched. If the cut surface is a flush port, the width of the spliced part is small and easy to break, and when a gap exists, the width of the spliced part is enlarged and difficult to break.
In one embodiment, further comprising: and S01, preparing a three-layer composite material, and compositing double faced adhesive tape on one side of the foam pad raw material to form the three-layer composite material.
In one embodiment, the method further comprises a step S32, wherein the fixing piece is stuck at the end part of the fixed-length frame strip, and then the step S4 is performed. The frame type silica gel foam pad is reinforced at the joint position by using the fixing sheet, so that the strength of the joint can be increased.
In one embodiment, in step S32, the fixing sheet is adjacent to one side of the release film of the double-sided adhesive tape.
In one embodiment, in step S32, the fixing piece on one side of the fixed length frame strip is a single frame strip, the fixing piece on two sides of the fixed length frame strip is a double frame strip, and the fixing piece is remained in the frame type silica gel foam pad during molding.
The frame type silica gel foam pad is processed by adopting the processing method.
Production line of frame silica gel bubble cotton pad includes: the device comprises a circular knife slitting machine 202 for slitting three-layer composite materials, a punching machine 203 with adjustable punching intervals, a cutting machine 204, a simulation tool 205 and a glue beating machine, wherein the punching machine 203 is arranged between the output end of the circular knife slitting machine 202 and the input end of the cutting machine 204, the simulation tool 205 is designed according to the size of a product, and a positioning protrusion 206 is arranged on the simulation tool 205. The production line of the frame type silica gel foam pad adopts various existing equipment for linkage production, can reduce equipment investment, is convenient and flexible to adjust in the aspects of width, hole spacing, length of fixed-length frame strips and the like when products with different specifications are processed, and has high equipment universality and low equipment investment.
In one embodiment, further comprising: the laminating machine 201 is used for compounding foam pad raw materials and double faced adhesive tapes, and the laminating machine 201 is positioned at the front side of the input end of the circular knife slitting machine 202.
In one embodiment, the cutting edges of the cutting blades on the cutter 204 are in a center symmetrical pattern. For example, in one embodiment, the cutting blade on the cutter 204 is a 45 angled cutting blade.
Example 1: the frame type silica gel foam pad manufactured by adopting the methods of slitting, punching, cutting and splicing replaces the whole die cutting mode, the main body is a foam pad layer 101, a double-sided adhesive layer 102 is adhered to the foam pad layer 101, release paper is adhered to the double-sided adhesive layer 102, and a positioning hole 103 for the fixing bolt of the shell and the upper cover to pass through is formed in the frame type silica gel foam pad, so that the frame type silica gel foam pad is understood by referring to fig. 1 and 2.
Production line of frame silica gel bubble cotton pad includes: a rigging machine 201 for bubble cotton pad raw and double faced adhesive tape is compound for divide the round knife slitting machine 202 of three-layer composite material slitting, the adjustable puncher 203 of interval of punching, cutting machine 204, simulation frock 205 and gluing machine, round knife slitting machine 202 is arranged in the output of rigging machine 201 with the input of puncher 203, cutting machine 204 is arranged in the output department of puncher 203, simulation frock 205 is according to product equidimension design, just set up location arch 206 on the simulation frock 205. Referring to fig. 3 and 4, a simplified diagram of the machine is shown below each machine in fig. 3, for example, a pattern on a laminating machine 201 represents a coiled material formed by compounding foam pad raw materials and double-sided adhesive tapes, a pattern on a circular knife slitting machine 202 represents dividing the same three-layer composite material into a plurality of strips, a pattern on a punching machine 203 represents punching on the strip-shaped material, and a pattern on a cutting machine 204 represents the shape of a cutting knife edge.
The processing method of the frame type silica gel foam pad comprises the following steps:
s1, preparing a three-layer composite material, namely, adopting a laminating machine 201 to compound double faced adhesive tape on one side of foam pad raw material to form the three-layer composite material, and adhering self-carrying release paper on one side of the double faced adhesive tape, which is far away from the foam pad raw material; the raw material used may be a three-layer composite, so that step S1 may be omitted,
s2, slitting, namely placing the three-layer composite material on a circular knife slitting machine 202 according to the width requirement to split long strip materials,
s3, punching, conveying the strip material to a punching machine 203 to punch positioning holes 103 according to the distance requirement to form a belt Kong Changtiao,
s4, cutting, namely conveying the strip with the holes to a cutting machine 204 to cut into a fixed-length frame strip according to a certain length requirement,
s5, an upper fixing sheet 104 is stuck on one end part of one side of the fixed length frame strip to form a single frame strip, the fixing sheet 104 is additionally arranged, the strength of the joint part can be increased, compared with a one-step die-cut molding product, the product performance is better, the product is the one-step product optimization design, the step can be omitted for the product with low strength requirement, the fixing sheet 104 can be directly stuck on the foam cushion layer 101 and is arranged between the foam cushion layer 101 and the double-sided adhesive layer 102, the fixing sheet 104 can be a PET transparent sheet,
s6, forming, namely connecting a plurality of frame strips end to end according to the shape requirement, namely, by means of a simulation tool 205, aligning a positioning hole 103 with a positioning protrusion 206 on the simulation tool 205, tearing off release paper on a fixing sheet, reserving the fixing sheet 104 in a frame type silica gel foam pad, tiling and butting the connected two fixed-length frame strips, and gluing the connected frame wires by a gluing machine to strengthen the bonding, so that the frame type silica gel foam pad with excellent performance and difficult damage of the end part is manufactured.
The frame type silica gel foam pad is rectangular and is formed by splicing two pairs of fixed-length frame strips or single frame strips which are identical in each other, and if the four sides are identical in length, the frame type silica gel foam pad can be formed by splicing four fixed-length frame strips or single frame strips which are identical in each other.
Example 2: on the basis of the embodiment 1, the cutting edge of the cutting knife on the cutting machine 204 is in a center symmetrical pattern. For example, the cutting knife of the cutting machine 204 is a 45 ° oblique cutting knife or a tri-folding knife, the knife marks are shown in fig. 5 (a) and (b), and the top views of the frame type silicone foam pad spliced after cutting are shown in fig. 2 (a) and (b), respectively. The cut end is provided with a notch, so that the total length of the connecting frame wires of two adjacent fixed-length frame strips can be increased. In step S5, the fixing piece 104 is close to the release film side of the double-sided adhesive tape.
Example 3: unlike in embodiment 1, in the upper fixing piece 104, the fixing pieces 104 on both sides of the fixed-length frame strip are double frame strips, and in the forming, the double frame strips are connected with the common fixed-length frame strips of the non-upper fixing piece 104, in the same rectangular frame, the double frame strips are used for the opposite frame strips, and the common fixed-length frame strips of the non-upper fixing piece 104 are used for the opposite frame strips.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the invention in any way, and any person skilled in the art may make modifications or alterations to the equivalent embodiments using the technical disclosure described above. However, any simple modification, equivalent variation and variation of the above embodiments according to the technical substance of the present invention still fall within the protection scope of the technical solution of the present invention.

Claims (10)

1. The processing method of the frame type silica gel foam pad is characterized in that,
the method comprises the following steps:
s1, slitting, namely slitting the three-layer composite material into strip-shaped materials with fixed width according to the width requirement, wherein the three-layer composite material is a double faced adhesive tape with release paper adhered on foam pad raw materials,
s2, punching, namely punching the strip-shaped material with the fixed width according to the distance requirement to form a belt Kong Changtiao,
s3, cutting, namely cutting the strip with the holes into a fixed-length frame strip according to a certain length requirement,
s4, forming, namely connecting a plurality of frame strips end to end according to the shape requirement, and gluing the frame wire where two adjacent fixed-length frame strips are connected to each other to manufacture the frame type silica gel foam pad.
2. The method of claim 1, wherein in step S3, the fixed-length frame strip has a notch at an end thereof.
3. The method for processing a frame type silica gel foam pad according to claim 1, further comprising: and S01, preparing a three-layer composite material, and compositing double faced adhesive tape on one side of the foam pad raw material to form the three-layer composite material.
4. A method of manufacturing a framed silica gel foam mattress according to any of claims 1-3, further comprising step S32, attaching a fixing sheet to an end of the fixed length frame strip, and then performing step S4.
5. The method of claim 4, wherein in step S32, the fixing piece is located near the release film side of the double-sided adhesive tape.
6. The method of claim 4, wherein in step S32, the fixing pieces on one side of the fixed length frame are single frame strips, and the fixing pieces on both sides of the fixed length frame are double frame strips.
7. A frame type silica gel foam pad, characterized in that the frame type silica gel foam pad is processed by the processing method in claims 1-6.
8. Production line of frame silica gel bubble cotton pad, its characterized in that includes: a circular knife slitting machine for slitting three-layer composite materials, a punching machine with adjustable punching interval, a cutting machine, a simulation tool and a glue beating machine,
the puncher is arranged between the output end of the circular knife slitting machine and the input end of the cutting machine,
the simulation tool is designed according to the size of a product, and a positioning protrusion is arranged on the simulation tool.
9. The frame type silica gel foam pad production line according to claim 8, further comprising: the laminating machine is used for compounding foam pad raw materials and double-sided adhesive tapes, and is positioned at the front side of the input end of the circular knife slitting machine.
10. The line for manufacturing frame type silicone foam pads according to claim 8 or 9, wherein the cutting edges of the cutting blades on the cutting machine are in a center symmetrical pattern.
CN202310120027.3A 2023-02-16 2023-02-16 Frame type silica gel foam pad and processing method and production line thereof Pending CN116078932A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310120027.3A CN116078932A (en) 2023-02-16 2023-02-16 Frame type silica gel foam pad and processing method and production line thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310120027.3A CN116078932A (en) 2023-02-16 2023-02-16 Frame type silica gel foam pad and processing method and production line thereof

Publications (1)

Publication Number Publication Date
CN116078932A true CN116078932A (en) 2023-05-09

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ID=86202416

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310120027.3A Pending CN116078932A (en) 2023-02-16 2023-02-16 Frame type silica gel foam pad and processing method and production line thereof

Country Status (1)

Country Link
CN (1) CN116078932A (en)

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