CN112813207A - Rapid leather bonding process - Google Patents
Rapid leather bonding process Download PDFInfo
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- CN112813207A CN112813207A CN202011641891.0A CN202011641891A CN112813207A CN 112813207 A CN112813207 A CN 112813207A CN 202011641891 A CN202011641891 A CN 202011641891A CN 112813207 A CN112813207 A CN 112813207A
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- leather
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- C—CHEMISTRY; METALLURGY
- C14—SKINS; HIDES; PELTS; LEATHER
- C14B—MECHANICAL TREATMENT OR PROCESSING OF SKINS, HIDES OR LEATHER IN GENERAL; PELT-SHEARING MACHINES; INTESTINE-SPLITTING MACHINES
- C14B7/00—Special leathers and their manufacture
- C14B7/02—Composite leathers
- C14B7/04—Composite leathers by cementing or pressing together leather pieces, strips or layers, Reinforcing or stiffening leather by means of reinforcing layers
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- Engineering & Computer Science (AREA)
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- Organic Chemistry (AREA)
- Treatment And Processing Of Natural Fur Or Leather (AREA)
Abstract
The invention provides a rapid leather bonding process, which comprises the following steps: providing a module, and positioning the leather coated with glue in the middle in the module; the module presses the positioned leather; the module keeps a pressing state, the module is rapidly heated to 110 ℃ within 5 seconds, and the module is rapidly cooled to 20 ℃ within 5 seconds after the temperature of the module reaches 110 ℃; opening the mould and taking out the leather. According to the rapid leather bonding process, the hot and cold integrated module is adopted, so that the production efficiency can be improved, the problem of defective products caused by the influence of temperature change in the middle transfer process of the leather is reduced, and the yield is improved.
Description
Technical Field
The invention relates to the technical field of leather processing, in particular to a rapid leather bonding process.
Background
The existing leather forming process in the market is formed by supplementing hot pressing and cold pressing, hot pressing is firstly carried out to complete melting and bonding of glue, and then cold pressing is carried out to complete leather bonding and shaping.
However, a certain time is consumed when the leather enters the cold pressing station from the hot pressing station, and the heated temperature of the glue is changed to a certain extent in the moving process, so that the shaping of the leather is influenced, and the phenomenon of folding or glue opening is caused.
The cause is as follows:
the temperature change is uncontrollable in the process of transferring from hot pressing to cold pressing and in the middle.
Therefore, in order to overcome the defects of the prior art, a rapid leather bonding process needs to be designed to solve the above problems.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention aims to provide a rapid leather bonding process.
1. In order to achieve the above objects and other related objects, the present invention provides the following technical solutions: a rapid leather bonding process comprises the following steps:
(1) providing a module, and positioning the leather coated with glue in the middle in the module;
(2) pressing the leather positioned in the step (1) by an upper pressing die and a lower pressing die in the die set;
(3) the module keeps a pressing state, the upper and lower pressing dies are quickly heated to be heated to 110 ℃ within 5 seconds, and the module is quickly refrigerated after the temperatures of the upper and lower pressing dies reach 110 ℃ to be cooled to 20 ℃ within 5 seconds;
(4) opening the mould and taking out the leather.
The preferable technical scheme is as follows: and the upper pressing die and the lower pressing die are internally provided with a hot and cold shared one-way water path arranged along the pressing die structure, and the hot and cold shared one-way water path is connected to an emergency heat and rapid cooling circulating water path arranged outside the module.
The preferable technical scheme is as follows: the rapid-heating rapid-cooling circulating water path comprises a hot water unit, a cold water unit, a hot water circulating valve, a cold water circulating valve, a hot water outlet valve, a hot water inlet valve, a cold water outlet valve and a cold water inlet valve; the hot water unit and the hot water circulating valve are matched with a pipeline to form a hot water circulating waterway, and the cold water unit and the cold water circulating valve are matched with a pipeline to form a cold water circulating waterway; a tee joint is arranged on two sides of the hot water circulating valve in the hot water circulating waterway and is respectively communicated with a water inlet end and a water outlet end of the hot and cold shared one-way waterway, a hot water outlet valve is arranged on a communicating pipe of the hot water circulating waterway and the water inlet end of the hot and cold shared one-way waterway, and a hot water inlet valve is arranged on a communicating pipe of the hot water circulating waterway and the water outlet end of the hot and cold shared one-way waterway; the cold water circulation water path is characterized in that tee joints are arranged on two sides of the cold water circulation valve and are respectively communicated with the water inlet end and the water outlet end of the hot and cold shared one-way water path, a cold water outlet valve is arranged on a communicating pipe of the cold water circulation water path and the hot and cold shared one-way water path, and a cold water inlet valve is arranged on a communicating pipe of the cold water circulation water path and the hot and cold shared one-way water path.
Due to the application of the technical scheme, compared with the prior art, the invention has the advantages that:
according to the rapid leather bonding process, the hot and cold integrated module is adopted, so that the production efficiency can be improved, the problem of defective products caused by the influence of temperature change in the middle transfer process of the leather is reduced, and the yield is improved.
Drawings
FIG. 1 is a flow chart of the present invention.
FIG. 2 is a schematic diagram of the module structure according to the present invention.
FIG. 3 is a schematic view of the structure of the upper die of the present invention.
FIG. 4 is a schematic view of a carrier structure according to the present invention.
FIG. 5 is a schematic diagram of a rapid heating and quenching circulation water path according to the present invention.
In the above drawings, 1, a lower module; 11. pressing a die; 12. a lower die holder; 121. a guide post; 122. a lower top pillar; 13. a bearing block; 14. a lower bearing plate; 141. a vehicle sensor; 142. a carrier baffle; 143. a carrier block; 144. a carrier positioning pin; 145. a carrier fool-proof post; 15. a lower insulation board; 2. an upper module; 21. pressing the die; 22. an upper die holder; 221. a guide sleeve; 222. an upper top pillar; 223. a carrier pressure application column; 23. an upper bearing plate; 24. an upper insulation board; 3. a carrier; 31. a carrier positioning hole; 32. a carrier fool-proof hole; 4. a hot water unit; 41. a hot water circulation valve; 42. a hot water outlet valve; 43. a hot water inlet valve; 5. a water chilling unit; 51. a cold water circulation valve; 52. a cold water outlet valve; 53. and a cold water inlet valve.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.
Please refer to fig. 1-5. It should be understood that in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship which the product of the present invention is usually placed in when used, which is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. The terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should be further noted that, unless otherwise specifically stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection via an intermediate medium, and a communication between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in fig. 1, a rapid leather bonding process proposed by the present application includes the following steps:
(1) providing a module, and positioning the leather coated with glue in the middle in the module;
(2) pressing the leather positioned in the step (1) by an upper pressing die and a lower pressing die in the die set;
(3) the module keeps a pressing state, the upper and lower pressing dies are quickly heated to be heated to 110 ℃ within 5 seconds, and the module is quickly refrigerated after the temperatures of the upper and lower pressing dies reach 110 ℃ to be cooled to 20 ℃ within 5 seconds;
(4) opening the mould and taking out the leather.
As shown in fig. 2, the schematic diagram of the module structure in the present invention includes an upper module 2, a lower module 1 and a carrier 3 disposed in the middle for rapidly bonding multiple layers of materials coated with glue in the middle.
The lower die set 1 comprises a lower die base 12, a bearing block 13, a lower bearing plate 14, a lower heat-insulating plate 15 and a lower pressing die 11 which are fixedly arranged from bottom to top in sequence.
The carrier 3 is a flat frame structure, and is positioned above the lower die 11 and provided with a leather positioning pin (not shown) on the bottom surface thereof, and the leather is positioned on the bottom surface of the carrier 3 and attached to the top surface of the lower die 11.
The upper module 2 comprises an upper die base 22, an upper bearing plate 23, an upper insulation plate 24 and an upper pressing die 21 which are fixedly arranged from top to bottom in sequence.
In addition, the lower die holder 12 is provided with a guide post 121, the upper die holder 22 is provided with a guide sleeve 221, and the upper die holder 22 is sleeved on the guide post 121 through the guide sleeve 221 and is slidably arranged right above the lower die set 1.
Specifically, the method comprises the following steps:
as shown in fig. 3, the lower stamper 11 and the upper stamper 21 are disposed correspondingly and are each manufactured into a frame-shaped structure by a 3D printing process. The structure is internally provided with a hot and cold shared one-way water path which is distributed along the pressing die structure, and the surface is provided with a water inlet end and a water outlet end (not shown) of the hot and cold shared one-way water path.
Furthermore, the hot and cold shared one-way waterway is connected into an emergency hot and cold circulating waterway arranged outside the module.
Fig. 5 is a schematic diagram of the water path of the rapid heating and cooling cycle of the present invention. The rapid-heating rapid-cooling circulating water path comprises a hot water unit 4 (normally open), a cold water unit 5 (normally open), a hot water circulating valve 41, a cold water circulating valve 51, a hot water outlet valve 42, a hot water inlet valve 43, a cold water outlet valve 52 and a cold water inlet valve 53.
The hot water unit 4 and the hot water circulating valve 41 are matched with a pipeline to form a hot water circulating waterway, and the cold water unit 5 and the cold water circulating valve 51 are matched with a pipeline to form a cold water circulating waterway; a tee joint is arranged on two sides of the hot water circulating water path and is respectively communicated with the water inlet end and the water outlet end of the hot and cold shared one-way water path, a hot water outlet valve 42 is arranged on a communicating pipe of the water inlet ends of the hot water circulating water path and the hot and cold shared one-way water path, and a hot water inlet valve 43 is arranged on a communicating pipe of the water outlet ends of the hot water circulating water path and the hot and cold shared one-way water path; a tee joint is arranged on two sides of a cold water circulating valve 51 in the cold water circulating waterway and is respectively communicated with a water inlet end and a water outlet end of a hot and cold shared one-way waterway, a cold water outlet valve 52 is arranged on a communication pipeline of the water inlet ends of the cold water circulating waterway and the hot and cold shared one-way waterway, and a cold water inlet valve 53 is arranged on a communication pipeline of the water outlet ends of the cold water circulating waterway and the hot and cold shared one-way waterway.
Description of the principle of rapid cooling and rapid heating:
the initial state of the equipment starting up: keeping the hot water circulating valve 41 and the cold water circulating valve 51 open, and closing the hot water outlet valve 42, the hot water inlet valve 43, the cold water outlet valve 52 and the cold water inlet valve 53;
quick heating:
in the initial state, the hot water outlet valve 42 and the hot water inlet valve 43 are controlled to be opened, and the hot water circulating valve 41 is closed; hot water is discharged from the water inlet end to the water outlet end through the hot and cold shared one-way water path to form circulation so as to rapidly heat the pressing die. About 5S, raising the temperature of the water circuit in the pressing die to 110 ℃ at 20 ℃.
Quenching: (switching from rapid heating to rapid cooling)
In a rapid heating state, the hot water outlet valve 42 and the hot water inlet valve 43 are controlled to be closed, and the hot water circulating valve 41 is controlled to be opened; then, controlling to open a cold water outlet valve 52 and a cold water inlet valve 53 and close a cold water circulating valve 51; cold water is discharged from the water inlet end to the water outlet end through the hot and cold shared one-way water path to form circulation so as to rapidly refrigerate the pressing die. And 5S or so, and reducing the temperature of the water circuit in the pressing die from 110 ℃ to 20 ℃.
Further, the surface of the lower die holder 12 is provided with a lower support column 121, the bottom surface of the upper die holder 22 is provided with an upper support column 221, the lower support column 121 and the upper support column 221 are correspondingly arranged, and when the upper die set 2 is pressed down to a certain position, the upper support column 221 and the lower support column 121 are abutted to prevent leather from being crushed.
Further, two diagonal edges of the lower carrier plate 14 are provided with carrier sensors 141 for detecting whether the carrier 3 is stably placed.
Further, a carrier baffle 142 is further disposed at the edge of the lower carrier plate 14 for limiting the carrier 3.
Further, a carrier bearing block 143, a carrier positioning pin 144 and a carrier fool-proof post 145 are arranged on the lower bearing plate 14 around the lower press die 11; the carrier 3 is provided with carrier positioning holes 31 corresponding to the carrier positioning pins 144 and carrier fool-proof holes 32 corresponding to the carrier fool-proof posts 145 (fig. 4). The carrier bearing block 143 is used for horizontally placing the carrier 3, the carrier positioning pin 144 is used for positioning the carrier 3, and the carrier fool-proof column 145 is used for fool-proof of the carrier 3.
Further, a temperature sensor (not shown) is attached to the edge of each of the upper die 21 and the lower die 11 for monitoring the temperature of the upper die 21 and the lower die 11.
Further, the upper insulation board 24 and the lower insulation board 15 are both made of insulation materials and used for insulation of the upper pressing die 21 and the lower pressing die 11.
Further, a carrier pressing column 223 corresponding to the carrier bearing block 143 is disposed on the periphery of the upper die 21 on the bottom surface of the upper die base 22, and is used for matching with the carrier bearing block 143 to press and fix the carrier 3.
Furthermore, the lower bearing plate 14 and the lower heat-insulating plate 15 are provided with pipeline through holes corresponding to the upper water inlet end and the lower water outlet end of the lower pressing die 11 and used for placing water pipelines; the upper die base 22, the upper bearing plate 23 and the upper heat-insulation plate 24 are provided with pipeline through holes corresponding to the upper water inlet end and the water outlet end of the upper pressing die 21 and used for placing water pipelines
Therefore, the invention has the following advantages:
according to the rapid leather bonding process, the hot and cold integrated module is adopted, so that the production efficiency can be improved, the problem of defective products caused by the influence of temperature change in the middle transfer process of the leather is reduced, and the yield is improved.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (3)
1. A rapid leather bonding process is characterized by comprising the following steps:
(1) providing a module, and positioning the leather coated with glue in the middle in the module;
(2) pressing the leather positioned in the step (1) by an upper pressing die and a lower pressing die in the die set;
(3) the module keeps a pressing state, the upper and lower pressing dies are quickly heated to be heated to 110 ℃ within 5 seconds, and the module is quickly refrigerated after the temperatures of the upper and lower pressing dies reach 110 ℃ to be cooled to 20 ℃ within 5 seconds;
(4) opening the mould and taking out the leather.
2. The process for rapid bonding of leather according to claim 1, characterized in that: the hot and cold shared one-way waterway is arranged in the upper pressing die and the lower pressing die, and the hot and cold shared one-way waterway is connected to an emergency heat and rapid cooling circulation waterway arranged outside the module.
3. The process for rapid bonding of leather according to claim 2, characterized in that: the rapid-heating rapid-cooling circulating water path comprises a hot water unit, a cold water unit, a hot water circulating valve, a cold water circulating valve, a hot water outlet valve, a hot water inlet valve, a cold water outlet valve and a cold water inlet valve; the hot water unit and the hot water circulating valve are matched with a pipeline to form a hot water circulating waterway, and the cold water unit and the cold water circulating valve are matched with a pipeline to form a cold water circulating waterway; a tee joint is arranged on two sides of the hot water circulating valve in the hot water circulating waterway and is respectively communicated with a water inlet end and a water outlet end of the hot and cold shared one-way waterway, a hot water outlet valve is arranged on a communicating pipe of the hot water circulating waterway and the water inlet end of the hot and cold shared one-way waterway, and a hot water inlet valve is arranged on a communicating pipe of the hot water circulating waterway and the water outlet end of the hot and cold shared one-way waterway; the cold water circulation water path is characterized in that tee joints are arranged on two sides of the cold water circulation valve and are respectively communicated with the water inlet end and the water outlet end of the hot and cold shared one-way water path, a cold water outlet valve is arranged on a communicating pipe of the cold water circulation water path and the hot and cold shared one-way water path, and a cold water inlet valve is arranged on a communicating pipe of the cold water circulation water path and the hot and cold shared one-way water path.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011641891.0A CN112813207A (en) | 2020-12-31 | 2020-12-31 | Rapid leather bonding process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011641891.0A CN112813207A (en) | 2020-12-31 | 2020-12-31 | Rapid leather bonding process |
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| Publication Number | Publication Date |
|---|---|
| CN112813207A true CN112813207A (en) | 2021-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011641891.0A Pending CN112813207A (en) | 2020-12-31 | 2020-12-31 | Rapid leather bonding process |
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| CN (1) | CN112813207A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5028285A (en) * | 1986-09-02 | 1991-07-02 | Adolf Wyler | Process for bonding leather to leather |
| CN104118102A (en) * | 2014-06-30 | 2014-10-29 | 广东拓斯达科技股份有限公司 | Highlight mold temperature machine |
| CN104553244A (en) * | 2015-01-28 | 2015-04-29 | 浙江格莱美服装有限公司 | Leather and lining cloth bonding equipment employing heating and air cooling of heat-conducting oil |
| CN206812579U (en) * | 2017-04-05 | 2017-12-29 | 安徽泰普汽车零部件有限公司 | One kind heating laminating machine |
| CN110193946A (en) * | 2019-06-27 | 2019-09-03 | 苏州春秋电子科技股份有限公司 | Plastic-aluminum hot pressing Water-cooling circulating mold and plastic-aluminum engaging member forming method |
-
2020
- 2020-12-31 CN CN202011641891.0A patent/CN112813207A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5028285A (en) * | 1986-09-02 | 1991-07-02 | Adolf Wyler | Process for bonding leather to leather |
| CN104118102A (en) * | 2014-06-30 | 2014-10-29 | 广东拓斯达科技股份有限公司 | Highlight mold temperature machine |
| CN104553244A (en) * | 2015-01-28 | 2015-04-29 | 浙江格莱美服装有限公司 | Leather and lining cloth bonding equipment employing heating and air cooling of heat-conducting oil |
| CN206812579U (en) * | 2017-04-05 | 2017-12-29 | 安徽泰普汽车零部件有限公司 | One kind heating laminating machine |
| CN110193946A (en) * | 2019-06-27 | 2019-09-03 | 苏州春秋电子科技股份有限公司 | Plastic-aluminum hot pressing Water-cooling circulating mold and plastic-aluminum engaging member forming method |
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Application publication date: 20210518 |
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