CN114587049A - Vamp negative pressure positioning false melting method and false melting machine - Google Patents
Vamp negative pressure positioning false melting method and false melting machine Download PDFInfo
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- CN114587049A CN114587049A CN202210162259.0A CN202210162259A CN114587049A CN 114587049 A CN114587049 A CN 114587049A CN 202210162259 A CN202210162259 A CN 202210162259A CN 114587049 A CN114587049 A CN 114587049A
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- vamp
- positioning
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- melting
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- 238000002844 melting Methods 0.000 title claims abstract description 44
- 230000008018 melting Effects 0.000 title claims abstract description 44
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000001179 sorption measurement Methods 0.000 claims abstract description 89
- 238000010438 heat treatment Methods 0.000 claims abstract description 24
- 239000004831 Hot glue Substances 0.000 claims abstract description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 13
- 239000000741 silica gel Substances 0.000 claims description 12
- 229910002027 silica gel Inorganic materials 0.000 claims description 12
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000004927 fusion Effects 0.000 description 12
- 239000000047 product Substances 0.000 description 5
- 238000003466 welding Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000005855 radiation Effects 0.000 description 2
- 208000032544 Cicatrix Diseases 0.000 description 1
- VCUFZILGIRCDQQ-KRWDZBQOSA-N N-[[(5S)-2-oxo-3-(2-oxo-3H-1,3-benzoxazol-6-yl)-1,3-oxazolidin-5-yl]methyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C1O[C@H](CN1C1=CC2=C(NC(O2)=O)C=C1)CNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F VCUFZILGIRCDQQ-KRWDZBQOSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000000499 gel Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 231100000241 scar Toxicity 0.000 description 1
- 230000037387 scars Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43D—MACHINES, TOOLS, EQUIPMENT OR METHODS FOR MANUFACTURING OR REPAIRING FOOTWEAR
- A43D25/00—Devices for gluing shoe parts
Landscapes
- Wire Bonding (AREA)
Abstract
The invention discloses a vamp negative pressure positioning false melting method and a false melting machine, wherein the method comprises the following steps of S1, placing a vamp part in a positioning hole of a positioning template, wherein the positioning template is arranged on a table top of an adsorption table, and the table top of the adsorption table is provided with an adsorption hole; s2, carrying out vacuum adsorption or negative pressure adsorption on the adsorption table, and adsorbing and fixing the vamp parts in the positioning holes; and S3, covering the vamp on the vamp part, starting an upper heating plate to downwards pressurize and heat for a short time, and performing false melting on the vamp by using hot melt adhesive carried on the back of the vamp part. The invention can realize quick, accurate and flat positioning, and improve the production efficiency and the product quality.
Description
Technical Field
The invention relates to the technical field of vamp processing, in particular to a vamp negative pressure positioning false melting method and a false melting machine.
Background
A complete upper is typically formed from a plurality of upper components, such as a toe cap, tongue, eyelet, logo, and reinforcement, which need to be precisely positioned on the upper prior to welding.
The prior art all needs to set up tens location nail on the mould, sets up the counterpoint hole on the vamp part, through the manual work with the counterpoint hole location of vamp part on the location nail of mould, however, to the outward appearance requirement of vamp, the counterpoint hole can not be done greatly, otherwise will influence the vamp outward appearance. Because the counterpoint hole is little, and the vamp part is put to and can be sheltered from the sight, operating personnel counterpoint the difficulty, need touch with the hand and feel, then slowly trepanning counterpoint, can even fix a position nail in hand in some times, inefficiency. Some parts, such as logo parts, can not be provided with alignment holes and can only be directly placed in a mold, and shoe uppers are easily scrapped due to part alignment in the production process. Specifically, when the vamp covers the logo piece, the logo piece cannot be seen and is not positioned, the logo piece can be displaced due to the fact that any friction movement between the logo piece and the vamp can cause the logo piece to be displaced, and the logo piece can be directly further processed after being displaced due to the fact that the logo piece cannot be seen, and the logo piece of the whole vamp is rejected due to the fact that the logo piece cannot be seen.
On the other hand, in vamp welding processing, the vamp top covers there is silica gel, and the silica gel all will be pricked in the welding of location nail every time, along with silica gel is fixed a position and is pricked the increase of inserting the number of times, can lead to silica gel to be pricked rotten, and the quality of the vamp of processing also reduces the time along with pricking rotten degree of silica gel.
On the other hand, in the positioning of the vamp part, the thin, thin and long vamp part has the phenomena of curling and wrinkling, and is difficult to be positioned flatly, thereby becoming a technical problem which troubles the industry for many years.
Some people also use an ultrasonic spot melting gun to melt the vamp parts on the vamp, but one part needs two or three spot melting points and can only be operated by one hand, and the other hand needs to take the spot melting gun and needs to remove the spot point by point, so that the production efficiency is low, scars also appear, and the appearance of the product is influenced.
Disclosure of Invention
In view of the above, the present invention provides a method and a machine for false melting of shoe upper under negative pressure positioning, which can quickly, accurately and smoothly position shoe upper, and improve production efficiency and product quality.
The adopted technical scheme is as follows:
the invention discloses a vamp negative pressure positioning false melting method, which comprises the following steps:
s1, placing a vamp part in a positioning hole of a positioning template, wherein the positioning template is arranged on a table top of an adsorption table, and the table top of the adsorption table is provided with an adsorption hole;
s2, carrying out vacuum adsorption or negative pressure adsorption on the adsorption table, and adsorbing and fixing the vamp parts in the positioning holes;
and S3, covering the vamp on the vamp part, starting an upper heating plate to perform downward short-time pressurizing and heating, and performing false melting on the vamp part by using hot melt adhesive carried on the back of the vamp part.
Further, the short time is 1-10 s.
The vamp negative pressure positioning false melting machine arranged according to the vamp negative pressure positioning false melting method comprises an adsorption table capable of generating vacuum adsorption or negative pressure adsorption, and an upper heating plate which is positioned above the adsorption table and capable of pressurizing and heating; the table top of the adsorption table is provided with adsorption holes, the adsorption table is provided with a positioning template, and the positioning template is provided with positioning holes for placing vamp parts.
Further, the adsorption platform is a slidable sliding platform.
Furthermore, the area size of the positioning template is matched with the size of the table top of the adsorption table.
Further, the adsorption table is provided with an infrared heater.
Further, the adsorption holes are a plurality of micropores uniformly arranged.
Furthermore, silica gel is fixed on the surface of the upper heating plate.
Further, the size and the shape of the positioning holes are matched with those of the vamp part.
As an alternative scheme, the positioning holes are replaced by positioning grooves, the positioning grooves are provided with a plurality of through holes, and the through holes are communicated with the table surface of the adsorption table.
The invention has the beneficial effects that:
the vamp part is placed in the positioning hole of the positioning template, so that the vamp part can be positioned in the outer frame form of the positioning template, the vamp part is placed in the positioning hole, the visibility is good, and the operation is convenient and quick; then the vamp part is adsorbed and fixed by an adsorption table with vacuum adsorption or negative pressure adsorption, so that more importantly, the curls and wrinkles of the thin, thin and long vamp part can be adsorbed and leveled by the adsorption table, and the difficult problem which troubles the industry for many years is well solved; then through last hot plate with vamp and vamp part short-time butt fusion, can call false butt fusion to tentatively be in the same place vamp and vamp part butt fusion, thereby can realize quick, accurate, level and smooth location, improve the effect of production efficiency and product quality.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a schematic perspective view of an uncovered upper of a negative pressure positioning false melting machine for an upper according to embodiment 1.
Fig. 2 is a schematic perspective view of a covering shoe upper of the negative pressure positioning false melting machine for shoe upper of example 1.
Fig. 3 is a schematic cross-sectional structural view of the vamp negative-pressure positioning false melting machine of embodiment 1.
Fig. 4 is a schematic perspective view of the uncovered upper of the negative pressure positioning false melting machine for the upper according to embodiment 4.
FIG. 5 is a schematic perspective view of a covering shoe upper of the negative pressure positioning false melting machine for shoe upper of example 4.
FIG. 6 is a schematic cross-sectional structural view of a negative pressure positioning false melting machine for shoe uppers in example 5.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only preferred embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The vamp negative pressure positioning false melting method comprises the following steps:
s1, placing a vamp part in a positioning hole of a positioning template, wherein the positioning template is arranged on a table top of an adsorption table, and the table top of the adsorption table is provided with an adsorption hole;
s2, carrying out vacuum adsorption or negative pressure adsorption on the adsorption table, and adsorbing and fixing the vamp parts in the positioning holes;
and S3, covering the vamp on the vamp part, starting an upper heating plate to perform downward short-time pressurizing and heating, and performing false melting on the vamp part by using hot melt adhesive carried on the back of the vamp part. The short-time heating under pressure is, for example, 1 to 10 seconds.
In order to realize the vamp negative pressure positioning false melting method, a vamp negative pressure positioning false melting machine is arranged. Referring to fig. 1, 2 and 3, the false melting machine for positioning the vamp under negative pressure comprises an adsorption table 1 capable of generating vacuum adsorption or negative pressure adsorption, and an upper heating plate 2 which is positioned above the adsorption table and capable of pressurizing and heating. This embodiment takes a vacuum suction stage as an example. The adsorption platform 1 is provided with a vacuum cavity 11, and the top surface of the adsorption platform is a platform surface of the adsorption platform, which is called an adsorption platform surface 12 for short. The adsorption table top is provided with an adsorption hole, and the adsorption hole can be preferably a plurality of fine micropores which are uniformly arranged. Although the adsorption hole may be a small hole or a medium hole, a plurality of fine and uniformly arranged gas-permeable micropores may be preferable. The bottom of the adsorption platform 1 is provided with an exhaust tube 13 which is used for being communicated with a vacuum pump and exhausting air through the vacuum pump.
The adsorption platform 1 is provided with a positioning template 3, and the positioning template 3 can also be called as a positioning clamping plate. The positioning template 3 is provided with positioning holes 31 for placing the upper members. As a preferred embodiment, the size and shape of the positioning holes are matched with the size and shape of the vamp part, so that a unique position can be determined on the adsorption table, and the operation is quicker. Of course, as an alternative embodiment, the positioning holes may not match the size and shape of the upper part, and the invention may also be implemented, for example, the upper part is triangular, the positioning holes are rectangular, the long side of the rectangle is equal to the bottom side of the triangle, and the short side of the rectangle is equal to the height of the triangle, so that the position of the triangle can be uniquely determined on the basis of determining two points of the triangle. However, it is preferred that the size and shape of the alignment apertures match the size and shape of the upper member.
In order to facilitate the up-and-down movement of the upper heating plate, the upper heating plate is fixedly connected with a power device. The power device can also be called as an up-down lifting mechanism. The power device can be a motor, a cylinder or a screw rod. Taking a motor as an example, the motor is fixed on the bracket, and a power rod of the motor is fixedly connected with the upper heating plate. So that the upper heating plate can be moved up and down. Although not shown in the drawings, the power plant is conventionally provided. The drawings illustrate several components of interest and may be used to provide a more important understanding of the present invention.
When the shoe upper part is in work, the shoe upper part is placed in the positioning holes of the positioning template, the area size of the positioning template can be preferably matched with the size of the table top of the adsorption table, namely the areas of the shoe upper part and the adsorption table top are equal or almost equal, only the positioning holes are communicated with the micropores of the adsorption table top, and other micropores of the adsorption table top are covered by the positioning template, so that the vacuum adsorption force can be concentrated at the positioning holes. Of course, the thickness of the positioning template should also be adapted, i.e., lower than the thickness of the upper part, so that the upper part and the upper part are in direct contact when the upper 4 is placed thereon.
After the vamp part is placed in the positioning hole, the vacuum pump is used for pumping air, so that the vamp part is adsorbed on the adsorption table. The vacuum adsorption has the advantages that on one hand, the vamp part is positioned at a fixed position, and even if friction is generated with the vamp, the displacement cannot occur; on the other hand, the edge voucher of the upper part is flatly adsorbed even if the edge of the upper part is rolled up. In the third aspect, the vacuum adsorption efficiency is accelerated, all the vamp parts at several positions are adsorbed in a short time, and the efficiency is much higher than that of the positioning nails and the spot melting guns in the background technology; in the fourth aspect, the manual operation is simple, convenient and quick, the vamp parts are only required to be placed in the positioning holes of the positioning template, then the lower vacuum pump is started, all the vamp parts are not required to be positioned manually one by one through the positioning nails, and the point melting gun is not required to be used for dispensing one by one.
The upper 4 is then placed over the upper part and the upper heating plate is activated to apply heat to the underside for a brief period of time, for example 1-10 seconds, to locate the part in a pseudo-fused manner on the upper.
False fusion, namely false fusion. The pseudo fusion is a fusion with a small fusion force. Also known as microfusion. That is, if the user shakes the shoe after the pseudo welding, the shoe upper member is not detached from the shoe upper and falls off, but the shoe upper member can be pulled off by pulling the shoe upper member. The bonding is between non-bonding force and non-tearing force, has bonding force and can be torn off, and is slightly bonded, namely false fusion, namely false melting.
The invention is a process for realizing vamp processing, which is convenient for further processing after false melting positioning between the vamp and the vamp part is realized primarily and then the vamp is further put into a mould. But due to the preliminary false melting positioning, the processing efficiency of subsequent further processing is greatly improved, and the product quality of the final product is also greatly improved.
In conclusion, the vamp negative pressure positioning false melting machine is provided with the adsorption platform capable of generating vacuum adsorption, the positioning template is matched, the vamp part is placed in the corresponding position of the corresponding hole, the adsorption platform surface can adsorb and position the vamp part, and after the vamp is covered, the vamp part can be false melted on the vamp through short-time heating and pressurization.
The vacuum adsorption device has the advantages of being matched with vacuum adsorption, so that the effects of being fast, accurate and smooth in positioning and improving the production efficiency and the product quality can be realized.
Example 2
Referring to example 1, the suction stage selected in this example is a suction stage for negative pressure suction, unlike example 1. The adsorption platform is communicated with a negative pressure device to replace a vacuum pump. Negative pressure devices include, but are not limited to, for example, blowers, turbo fans, air compressors, and the like.
The same technical effects can be achieved by using the negative pressure adsorption as the vacuum adsorption of embodiment 1. Reference may be made to embodiment 1, which is not described in detail.
Example 3
Referring to example 1, the adsorption stage of example 1 may be relatively stationary. The difference between this embodiment and embodiment 1 is that the suction table of this embodiment is a slidable sliding table. Adopt slidable slip table, make things convenient for operating personnel to operate. For example, it is more convenient for the operator to manually place the upper part without the space limitation of the upper heating plate.
Example 4
Referring to embodiment 1, on the basis of embodiment 1, referring to fig. 4 and 5, the surface of the upper heating plate 2 of the present embodiment is fixed with silica gel 5. The silica gel 5 is a heat conductive silica gel, which is a flexible material. Through heat conduction silica gel can carry out the short-time butt fusion on conducting to vamp and vamp part more evenly the heat, form false nature and connect.
Compared with the positioning nail technology in the background technology, the service life of the silica gel adopted by the embodiment is greatly prolonged. The service life of the silicone gel is increased because it is not damaged by the pinning.
Example 5
Referring to example 4, in addition to example 1, as shown in fig. 6, the adsorption table of this example is additionally provided with an infrared heater 6, such as an infrared quartz lamp tube, to heat the adsorption table by infrared radiation, and the adsorption table surface is heated by infrared radiation. Like this, can make vamp and vamp part be heated from top to bottom to carry out the short-time butt fusion with heat upper and lower more evenly conduct to vamp and vamp part on, form the false connection, and can make the time of short-time butt fusion shorter.
Example 6
As an alternative scheme, the positioning holes are replaced by positioning grooves which are provided with a plurality of through holes, and the through holes are communicated with the table surface of the adsorption table. Namely, the through holes are communicated with the ventilation micropores on the table surface of the adsorption table. Preferably, the plurality of through holes can include suction of edges of the upper member. That is, the entirety of the upper part including the edge portion can be integrally sucked by the plurality of through holes through vacuum suction.
The above-listed detailed description is only a specific description of a possible embodiment of the present invention, and they are not intended to limit the scope of the present invention, and equivalent embodiments or modifications made without departing from the technical spirit of the present invention should be included in the scope of the present invention.
Claims (10)
1. A negative pressure positioning false melting method for a shoe upper is characterized by comprising the following steps:
s1, placing a vamp part in a positioning hole of a positioning template, wherein the positioning template is arranged on a table top of an adsorption table, and the table top of the adsorption table is provided with an adsorption hole;
s2, carrying out vacuum adsorption or negative pressure adsorption on the adsorption table, and adsorbing and fixing the vamp parts in the positioning holes;
and S3, covering the vamp on the vamp part, starting an upper heating plate to perform downward short-time pressurizing and heating, and performing false melting on the vamp part by using hot melt adhesive carried on the back of the vamp part.
2. The method for positioning false melting of a shoe upper under negative pressure according to claim 1, wherein in step S3, the short time is 1-10S.
3. The vamp negative pressure positioning false melting machine provided by the vamp negative pressure positioning false melting method according to claim 1, characterized by comprising an adsorption table capable of generating vacuum adsorption or negative pressure adsorption, and an upper heating plate capable of pressurizing and heating and positioned above the adsorption table; the adsorption platform is characterized in that adsorption holes are formed in the platform surface of the adsorption platform, a positioning template is arranged on the adsorption platform, and positioning holes for placing vamp parts are formed in the positioning template.
4. The vamp negative-pressure positioning false melting machine of claim 3, wherein the adsorption table is a slidable sliding table.
5. The vamp negative-pressure positioning false melting machine according to claim 3, wherein the area size of the positioning template is matched with the size of the table top of the adsorption table.
6. The vamp negative-pressure positioning false melting machine according to claim 3, wherein the adsorption platform is provided with an infrared heater.
7. The machine of claim 3, wherein the suction holes are a plurality of uniformly arranged micro holes.
8. The vamp negative-pressure positioning false melting machine according to claim 3, wherein silica gel is fixed on the surface of the upper heating plate.
9. The vamp negative-pressure positioning false melting machine according to claim 3, wherein the size and shape of the positioning holes are matched with the size and shape of the vamp part.
10. The machine of claim 3, wherein the positioning holes are replaced by positioning grooves, and the positioning grooves are provided with a plurality of through holes, and the through holes are communicated with the table surface of the adsorption table.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210162259.0A CN114587049A (en) | 2022-02-22 | 2022-02-22 | Vamp negative pressure positioning false melting method and false melting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210162259.0A CN114587049A (en) | 2022-02-22 | 2022-02-22 | Vamp negative pressure positioning false melting method and false melting machine |
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| Publication Number | Publication Date |
|---|---|
| CN114587049A true CN114587049A (en) | 2022-06-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210162259.0A Pending CN114587049A (en) | 2022-02-22 | 2022-02-22 | Vamp negative pressure positioning false melting method and false melting machine |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM501142U (en) * | 2015-01-06 | 2015-05-21 | Zhi-Ming Xu | Device for integral formation of 3D pattern on vamp |
| US20150342296A1 (en) * | 2014-05-30 | 2015-12-03 | Skysole Corporation | Thermoforming footwear method |
| CN105729781A (en) * | 2016-01-29 | 2016-07-06 | 潘国郎 | Hot mold pressing process for applying plastic elastomeric polymer to shoe upper |
| CN205553175U (en) * | 2016-03-08 | 2016-09-07 | 裕铭机械有限公司 | Vacuum hot briquetting machine |
| US20180303205A1 (en) * | 2017-04-19 | 2018-10-25 | Dah Lih Puh Co., Ltd. | Method for fixing a decorative member on a vamp of a shoe in a three dimensional manner |
| US20190008237A1 (en) * | 2017-07-06 | 2019-01-10 | Chaei Hsin Enterprise Co., Ltd. | Method of preparing shoe components |
| US20190313744A1 (en) * | 2018-04-11 | 2019-10-17 | Dah Lih Puh Co., Ltd. | Method and device for forming shoe upper decoration |
| US20210267317A1 (en) * | 2020-02-27 | 2021-09-02 | Zhong Qiang Yi Technology Co., Ltd. | Method for manufacturing artificial leather shoe upper |
| CN215404904U (en) * | 2021-02-23 | 2022-01-04 | 中山市志捷鞋业技术服务有限公司 | Novel connect tongue subassembly |
-
2022
- 2022-02-22 CN CN202210162259.0A patent/CN114587049A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150342296A1 (en) * | 2014-05-30 | 2015-12-03 | Skysole Corporation | Thermoforming footwear method |
| TWM501142U (en) * | 2015-01-06 | 2015-05-21 | Zhi-Ming Xu | Device for integral formation of 3D pattern on vamp |
| CN105729781A (en) * | 2016-01-29 | 2016-07-06 | 潘国郎 | Hot mold pressing process for applying plastic elastomeric polymer to shoe upper |
| CN205553175U (en) * | 2016-03-08 | 2016-09-07 | 裕铭机械有限公司 | Vacuum hot briquetting machine |
| US20180303205A1 (en) * | 2017-04-19 | 2018-10-25 | Dah Lih Puh Co., Ltd. | Method for fixing a decorative member on a vamp of a shoe in a three dimensional manner |
| US20190008237A1 (en) * | 2017-07-06 | 2019-01-10 | Chaei Hsin Enterprise Co., Ltd. | Method of preparing shoe components |
| US20190313744A1 (en) * | 2018-04-11 | 2019-10-17 | Dah Lih Puh Co., Ltd. | Method and device for forming shoe upper decoration |
| US20210267317A1 (en) * | 2020-02-27 | 2021-09-02 | Zhong Qiang Yi Technology Co., Ltd. | Method for manufacturing artificial leather shoe upper |
| CN215404904U (en) * | 2021-02-23 | 2022-01-04 | 中山市志捷鞋业技术服务有限公司 | Novel connect tongue subassembly |
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