CN113103722A - Synthetic leather forming treatment process - Google Patents
Synthetic leather forming treatment process Download PDFInfo
- Publication number
- CN113103722A CN113103722A CN202110421252.1A CN202110421252A CN113103722A CN 113103722 A CN113103722 A CN 113103722A CN 202110421252 A CN202110421252 A CN 202110421252A CN 113103722 A CN113103722 A CN 113103722A
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- leather
- forming
- plate
- compaction
- multiple layers
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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
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
-
- 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
-
- 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
- B32B38/14—Printing or colouring
- B32B38/145—Printing
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Treatment And Processing Of Natural Fur Or Leather (AREA)
Abstract
The invention provides a synthetic leather forming treatment process, which comprises the following steps: the method comprises the following steps: stacking multiple layers of leather materials on a material supporting forming part in a compacting device, paving the multiple layers of leather materials, and adding a bonding agent between the multiple layers of leather according to the leather materials; step two: compacting the multiple layers of leather material by using a compacting part in a compacting device; step three: according to the thickness of the leather to be manufactured, the compaction force of the compaction part is adjusted, the compaction part is controlled to move, and the leather is compacted more uniformly; the compaction device comprises a material supporting forming part and a compaction part, wherein the material supporting forming part is used for limiting and forming the multiple layers of leather materials, and the compaction part is used for compacting the multiple layers of leather materials.
Description
Technical Field
The invention relates to the technical field of leather manufacturing, in particular to a synthetic leather forming treatment process.
Background
For example, the disclosure No. CN202010702664.8 relates to a synthetic leather forming treatment method, which comprises a bottom plate, support frames, bearing devices and a pressing device, wherein the support frames are symmetrically arranged at the upper end of the bottom plate in the left-right direction, the bearing devices are uniformly arranged on the inner sides of the support frames, the bearing devices positioned in the middle are arranged on the support frames, and the bearing devices positioned on the upper sides are connected with the support frames in a sliding fit mode. The invention can solve the problems that when the existing equipment presses synthetic leather, the leather can not be tensioned, the phenomenon of fold is easy to occur during pressing, and the pressed and molded leather can not be pressed repeatedly, thereby reducing the pressing effect, and meanwhile, the leather can not be cleaned before pressing, dust on the leather is easy to influence the pressing, and the two ends of the molded synthetic leather can not be clamped, thereby reducing the pressing effect, the phenomenon of flanging is easy to occur at the two ends of the leather, and the like; however, the present invention is inconvenient to print a pattern effect on a multi-layered leather material.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a synthetic leather forming treatment process, which has the beneficial effect that the pattern effect can be printed on a multi-layer leather material.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a synthetic leather forming treatment process comprises the following steps:
the method comprises the following steps: stacking multiple layers of leather materials on a material supporting forming part in a compacting device, paving the multiple layers of leather materials, and adding a bonding agent between the multiple layers of leather according to the leather materials;
step two: compacting the multiple layers of leather material by using a compacting part in a compacting device;
step three: according to the thickness of the leather to be made, the compaction force of the compaction part is adjusted, the compaction part is controlled to move, and the leather is compacted more uniformly.
The synthetic leather forming treatment process also relates to a compaction device;
the compaction device comprises a material supporting forming part and a compaction part, the material supporting forming part is used for limiting and forming the multiple layers of leather materials, and the compaction part is used for compacting the multiple layers of leather materials.
The material supporting and forming part comprises a forming plate for supporting and placing a plurality of layers of leather materials.
The compaction part is matched with one side of the forming plate, and two surfaces matched with each other are always parallel.
The compression part comprises a compression column, and the compression column is matched with the forming plate.
The compaction device also comprises a tension spring, a limiting column and an extension plate;
one end of the tension spring is fixedly connected with the lifting plate;
the limiting column is fixedly connected with the lifting plate;
the extension plate is connected with the compression column in a sliding way;
the other end of the tension spring is fixedly connected to the upper part of the extension plate;
the limiting column is matched with the upper part of the extending plate.
The compaction device has the beneficial effects that:
the invention can print pattern effect on multi-layer leather material.
Drawings
The invention is described in further detail below with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic structural diagram of a first embodiment of a compaction portion according to the present invention;
FIG. 2 is a schematic structural diagram of a second embodiment of the compaction part according to the present invention;
FIG. 3 is a schematic structural diagram of a third embodiment of the compaction part according to the present invention;
FIG. 4 is a schematic structural diagram of the mounting opening and the mounting groove of the present invention;
FIG. 5 is a schematic structural view of the forming concave plate and the blocking edge of the present invention;
FIG. 6 is a schematic structural view of a locking plate of the present invention;
FIG. 7 is a schematic structural view of a forming plate and a locking plate of the present invention;
FIG. 8 is a schematic structural view of a binding plate according to the present invention;
FIG. 9 is a schematic view of the construction of a take-up roller of the present invention;
fig. 10 is a schematic view of the extension pole of the present invention.
In the figure:
a molding plate 101;
a chute 102;
a mounting opening 103;
a mounting groove 104;
a molding concave 105;
a stop edge 106;
a compression column 201;
a lifting plate 202;
smashing a block I203;
smashing a block II 204;
a tension spring 205;
a restraint post 206;
the extension plate 301;
a slider 302;
a control handle 303;
a slider 304;
a through-hole 305;
a mount 306;
a plug pin 307;
a fixing plate 401;
a locking plate 402;
a vertical post 403;
a cling frame 404;
a take-up roller 405;
a torsion spring plate 406;
a torsion spring 407;
a slide piece 408;
a counterweight block 409;
a hinge mount 501;
an extension rod 502;
a cam 503.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
A synthetic leather forming treatment process comprises the following steps:
the method comprises the following steps: stacking multiple layers of leather materials on a material supporting forming part in a compacting device, paving the multiple layers of leather materials, and adding a bonding agent between the multiple layers of leather according to the leather materials;
step two: compacting the multiple layers of leather material by using a compacting part in a compacting device;
step three: according to the thickness of the leather to be made, the compaction force of the compaction part is adjusted, the compaction part is controlled to move, and the leather is compacted more uniformly.
The following detailed description is made with reference to the accompanying drawing 1:
the material supporting forming part is controlled to move towards the direction close to the material supporting forming part, so that the material supporting forming part can compact the multilayer leather material, and the material supporting forming part plays a role in limiting the deformation degree of the multilayer leather material;
furthermore, pattern notches are formed in one side, matched with the pressing part, of the material supporting forming part, so that the pressing part can enable the multilayer leather material to be tightly attached to the pattern notches in the material supporting forming part in the process of compacting the multilayer leather material, and the pattern effect is printed on the multilayer leather material;
furthermore, in order to improve the compaction effect of the multilayer leather material, the compaction part and two surfaces matched with each other on the material supporting forming part are controlled to be always parallel, so that the thickness of the multilayer leather material after being compacted is more uniform, and the effect of compacting the multilayer leather material is improved;
further, the pattern groove can be provided as a protrusion or a depression.
The design of the forming plate 101 plays a role in supporting and placing a plurality of layers of leather materials;
further, the design of the forming plate 101 enables the compacting device to press the multi-layer leather material, and the forming plate 101 can control the deformation degree of the multi-layer leather material.
The pattern groove is arranged on one side of the compacted part matched with the forming plate 101, so that the compacted part can extrude the multilayer leather material and the pattern groove on the compacted part in the process of compacting the multilayer leather material, and the pattern effect is printed on the multilayer leather material;
further, the pattern groove can be provided as a protrusion or a depression.
The design of the compression leg 201 can reduce the contact surface between the compression part and the forming plate 101, thereby being convenient for improving the effect of compacting the multi-layer leather material when the compression leg 201 is matched with the forming plate 101;
through the dynamics of carrying out the complex between control compression leg 201 and the profiled sheeting 101, can realize that the device will multilayer leather material compaction go out the leather product of multiple thickness.
The compaction part also comprises a smashing block I203, the cross section of the smashing block I203 is formed by connecting at least three edges end to end, the smashing block I203 is installed at one end of the compression leg 201, and the smashing block I203 is matched with the forming plate 101.
Pound the design of piece I203, it has darker sunken or protruding to be convenient for the device to process multilayer leather material, because pound the cross-section of piece I203 and constitute by at least three limit end to end, enable the corner of pounding the piece I203 lateral part and need process out sunken side and fully laminate, thereby make the device process out the sunken or protruding that has the edges and corners with multilayer leather material, thereby improve the device and process multilayer leather material's application range, and can improve the result of processing to multilayer leather material.
The following detailed description is made with reference to fig. 2:
the compaction part further comprises a smashing block II 204, the cross section of the smashing block II 204 is circular, the smashing block II 204 is installed at one end of the compression column 201, and the smashing block II 204 is matched with the forming plate 101.
After the smashing block II 204 is tightly attached to the forming plate 101, the smashing block II 204 is moved, the same distance is kept between the smashing block II 204 and the forming plate 101 all the time, in the process, the adhesive among the multiple layers of leather materials can be compacted and diffused, and the thickness among the multiple layers of leather materials can be kept uniform;
the section of the second smashing block 204 is circular, so that no sharp corner exists on the side part of the second smashing block 204, and when the second smashing block 204 is tightly attached to the forming plate 101 and the second smashing block 204 is moved, the damage of the side part of the second smashing block 204 to the multilayer leather material is reduced;
further, in order to improve the effect of compacting and paving the multilayer leather material, an arc can be arranged at the connecting position between the side part and the bottom of the smashing block II 204, so that when the smashing block II 204 is tightly attached to the forming plate 101, the smashing block II 204 is moved to be smoother.
The following detailed description is made with reference to fig. 1 and 3:
the compaction part also comprises a lifting plate 202, and the lifting plate 202 is arranged at the other end of the compression leg 201.
Due to the design of the lifting plate 202, the area of the upper end of the compression leg 201 is enlarged, so that the convenience effect of lifting the compression leg 201 can be improved;
furthermore, the lifting plate 202 is designed to limit the movement range of the compression leg 201.
The following detailed description is made with reference to fig. 4:
the material supporting forming part further comprises a mounting hole 103 and a mounting groove 104, the mounting hole 103 is formed in the forming plate 101, and the mounting groove 104 is formed in the mounting hole 103.
The forming assembly with the pattern is arranged at the mounting opening 103, the multi-layer leather material is placed between the compacted part and the forming assembly, and the compacted part is controlled to firmly attach the multi-layer leather material and the forming assembly, so that the pattern is processed on the multi-layer leather material;
furthermore, the design of the mounting opening 103 can ensure that the whole forming plate 101 does not need to be replaced together when the forming component of the device is replaced, thereby improving the economy of the device;
the mounting slot 104 is designed to allow the edge of the molding assembly to be flush with the mounting opening 103 so that the edges of the pattern on the multi-layer leather material are smoother.
The following detailed description is made with reference to fig. 5:
the material supporting forming part further comprises a forming concave plate 105 and a blocking edge 106, the forming concave plate 105 is installed at the installation opening 103, and the blocking edge 106 is attached to the installation groove 104.
A pattern notch groove can be processed in advance at the inner end of the molding concave plate 105, so that when the compacted part is matched with the side part and the bottom part of the molding concave plate 105, the multilayer leather material is tightly attached to the side part and the bottom part of the molding concave plate 105, and the multilayer leather material is processed into a pattern;
the design of the blocking edge 106 and the mounting groove 104 enables the device to enhance the bearing effect on pressure when pressing the multilayer leather material to the inner bottom of the forming concave plate 105, and avoids damaging the forming concave plate 105 when carrying out pattern processing on the multilayer leather material.
The following detailed description is made with reference to fig. 3:
the compaction device further comprises a tension spring 205, a limiting column 206 and a stretching plate 301, one end of the tension spring 205 is fixedly connected to the lower portion of the lifting plate 202, the limiting column 206 is fixedly connected to the lower portion of the lifting plate 202, the stretching plate 301 is slidably connected with the pressing column 201, the other end of the tension spring 205 is fixedly connected to the upper portion of the stretching plate 301, and the limiting column 206 is matched with the upper portion of the stretching plate 301.
The design of the tension spring 205 is such that when the lifting plate 202 is lifted, the lifting plate 202 is driven to move towards the direction close to the extension plate 301 under the action of the tension spring 205, so as to drive the smashing block to compact the multilayer leather material;
by changing the elongation degree of the tension spring 205, the tension spring 205 can drive the smashing block to adjust the compaction force of the multilayer leather material, so that the device can process leather products with various thicknesses;
the limiting column 206 plays a limiting role, so that the tension spring 205 is prevented from being damaged by extrusion.
The following detailed description is made with reference to the accompanying drawing 1:
the compacting device further comprises a sliding groove plate 102, a sliding seat 302, a control handle 303 and a sliding block 304, wherein the sliding groove plate 102 is installed on the forming plate 101, the extending plate 301 is connected to the sliding seat 302 in a sliding mode, the control handle 303 is fixedly connected to the sliding seat 302, the sliding seat 302 is installed on the sliding block 304, and the sliding block 304 is connected into the sliding groove plate 102 in a sliding mode.
The compression column 201 and the extension plate 301 are locked through the stud, so that after the smashing block II 204 is attached to the forming plate 101, the smashing block II 204 is moved and the same distance is kept between the smashing block II 204 and the forming plate 101 all the time, in the process, the adhesive among the multiple layers of leather materials can be compressed and diffused, and the thickness among the multiple layers of leather materials can be kept uniform;
the position of the extension plate 301 on the sliding seat 302 is controlled, so that the transverse position between the smashing block and the forming plate 101 can be adjusted;
the position of the sliding block 304 on the chute plate 102 is controlled, so that the vertical position between the smashing block and the forming plate 101 can be adjusted;
the design of the control handle 303 improves the convenience of adjusting the position between the smashing block and the forming plate 101.
The slider 302 and the slider 304 are fixedly connected.
When the sliding base 302 and the sliding block 304 are fixed together, the lifting plate 202 is controlled to lift, so that the smashing block is matched with the material supporting forming portion, and multiple layers of leather materials are compacted.
The following detailed description is made with reference to fig. 10:
the compacting device further comprises a through hole 305, a mounting seat 306 and a bolt 307, the sliding seat 302 is connected with the sliding block 304 in a sliding mode, the sliding seat 302 is provided with a plurality of through holes 305, the sliding block 304 is fixedly connected with the mounting seat 306, the mounting seat 306 is provided with a matching hole, the bolt 307 is installed in the matching hole, and the bolt 307 is matched with the through holes 305.
The design that the sliding seat 302 and the sliding block 304 can be adjusted can ensure that when the device adopts the tension spring 205 to control the lifting plate 202, the compaction force of multiple layers of leather materials is adjusted when the deformation degree of the tension spring 205 is the same, so that the device can process leather products with various thicknesses;
the alignment of the cooperating hole in the control mount 306 with one of the plurality of perforations 305, followed by the insertion of the pin 307, allows the device to process leather material itself having a variety of thicknesses.
The following detailed description is made with reference to the accompanying figures 6-7:
the compacting device further comprises a fixing plate 401 and a locking plate 402, wherein the fixing plate 401 is installed at one end of the forming plate 101, multiple layers of leather materials are placed between the locking plate 402 and the forming plate 101, the fixing plate 401 and the locking plate 402 are located on two sides of the forming plate 101 respectively, and the fixing plate 401 and the locking plate 402 are locked through two groups of fasteners.
The fixing plate 401 and the locking plate 402 are designed to fix a plurality of layers of leather materials on the material supporting forming part, so that the stable effect of pressing the plurality of layers of leather materials in real time is improved;
further, when a set of fixing plate 401 and locking plate 402 is used, the multi-layer leather material can be fixed on one side of the material supporting forming part;
further, when two sets of the fixing plate 401 and the locking plate 402 are used at both sides of the molding plate 101, both sides of the multi-layered leather material on the carrier molding part can be fixed.
The following detailed description is made with reference to the accompanying figures 8-9:
the compaction device also comprises vertical columns 403, a tight attaching frame 404, tensioning rollers 405, torsion spring plates 406, torsion springs 407, sliding pieces 408 and balancing weights 409, two vertical columns 403 are symmetrically and fixedly connected to the fixing plate 401, the tight attaching frame 404 is hinged to the tensioning rollers 405, one end of each tensioning roller 405 is fixedly connected with the torsion spring plates 406, the torsion spring plates 406 and the tight attaching frame 404 are fixedly connected with torsion springs, two sliding pieces 408 are symmetrically and fixedly connected to the tight attaching frame 404, the two sliding pieces 408 are respectively connected with the two vertical columns 403 in a sliding mode, the balancing weights 409 are fixedly connected to the two sliding pieces 408, and the fixing plate 401 and the tight attaching frame 404 are respectively located on two sides of the forming plate 101.
The balancing weight 409 can drive the sliding sheet 408 to move downwards, so that the tensioning roller 405 presses the multiple layers of leather materials to the forming plate 101 for compaction;
the design of the two vertical columns 403 improves the effect of the tensioning roller 405 on stably compressing the multi-layer leather material;
the design of the tensioning roller 405 can enable the tensioning roller 405 to still drive the tensioning roller 405 to move after the multi-layer leather material is compacted, so that the multi-layer leather material can be conveniently paved;
through rotating the torsion spring board 406, make the torsion of torsional spring 407 increase, press taut roller 405 to multilayer leather material this moment to make multilayer leather material and profiled sheeting 101 laminate, later loosen torsion spring board 406, make taut roller 405 under the effect of balancing weight 409, when compressing tightly multilayer leather material, drive multilayer leather material and expand, thereby improve and carry out compaction processing to multilayer leather material.
The following detailed description is made with reference to fig. 10:
the compacting device further comprises a hinged seat 501, an extension rod 502 and a cam 503, wherein the hinged seat 501 is fixedly connected to the sliding seat 302, the hinged seat 501 is hinged to the extension rod 502, one end of the extension rod 502 is fixedly connected to the cam 503, and the cam 503 is matched with the lifting plate 202.
The extension rod 502 rotates by taking the axis of the extension rod as a shaft, and can drive the cam 503 to be intermittently matched with the lifting plate 202, so that the cam 503 drives the lifting plate 202 to fall under the action of the tension spring 205 after lifting, and the effect of compacting the multilayer leather material by the smashing block driven by the force generated in the falling process is improved due to no obstruction in the falling process.
It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and that various changes, modifications, additions and substitutions which are within the spirit and scope of the present invention and which may be made by those skilled in the art are also within the scope of the present invention.
Claims (10)
1. A synthetic leather forming treatment process is characterized in that: the method comprises the following steps:
the method comprises the following steps: stacking multiple layers of leather materials on a material supporting forming part in a compacting device, paving the multiple layers of leather materials, and adding a bonding agent between the multiple layers of leather according to the leather materials;
step two: compacting the multiple layers of leather material by using a compacting part in a compacting device;
step three: according to the thickness of the leather to be made, the compaction force of the compaction part is adjusted, the compaction part is controlled to move, and the leather is compacted more uniformly.
2. The synthetic leather molding treatment process according to claim 1, wherein: the compaction device comprises a material supporting forming part and a compaction part, the material supporting forming part is used for limiting and forming the multiple layers of leather materials, and the compaction part is used for compacting the multiple layers of leather materials.
3. The synthetic leather molding treatment process according to claim 2, wherein: the material supporting and forming part comprises a forming plate (101) used for supporting and placing multiple layers of leather materials.
4. The synthetic leather molding treatment process according to claim 3, wherein: the compacted part is matched with one side of the forming plate (101), and two surfaces matched with each other are always parallel.
5. The synthetic leather molding treatment process according to claim 4, wherein: the compaction part comprises a compression leg (201), and the compression leg (201) is matched with the forming plate (101).
6. The synthetic leather molding treatment process according to claim 5, wherein: the compaction part also comprises a smashing block I (203), the cross section of the smashing block I (203) is formed by connecting at least three edges end to end, the smashing block I (203) is installed at one end of the compression leg (201), and the smashing block I (203) is matched with the forming plate (101).
7. The synthetic leather molding treatment process according to claim 5, wherein: the compaction part further comprises a smashing block II (204), the cross section of the smashing block II (204) is circular, the smashing block II (204) is installed at one end of the compression leg (201), and the smashing block II (204) is matched with the forming plate (101).
8. The synthetic leather molding treatment process according to any one of claims 5 to 7, wherein: the compaction part also comprises a lifting plate (202), and the other end of the compression leg (201) is provided with the lifting plate (202).
9. The synthetic leather molding process according to claim 8, wherein: the material supporting forming part further comprises a mounting hole (103) and a mounting groove (104), the mounting hole (103) is formed in the forming plate (101), and the mounting groove (104) is formed in the mounting hole (103).
10. The synthetic leather molding process according to claim 9, wherein: the material supporting forming part further comprises a forming concave plate (105) and a blocking edge (106), the forming concave plate (105) is installed at the installation opening (103), and the blocking edge (106) is attached to the installation groove (104).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110421252.1A CN113103722A (en) | 2021-04-20 | 2021-04-20 | Synthetic leather forming treatment process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110421252.1A CN113103722A (en) | 2021-04-20 | 2021-04-20 | Synthetic leather forming treatment process |
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| CN113103722A true CN113103722A (en) | 2021-07-13 |
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| CN202110421252.1A Pending CN113103722A (en) | 2021-04-20 | 2021-04-20 | Synthetic leather forming treatment process |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108265453A (en) * | 2018-03-12 | 2018-07-10 | 嘉兴万源时装有限公司 | A kind of embossing device of leather fabric |
| CN208632571U (en) * | 2018-06-05 | 2019-03-22 | 广州益合康科技材料有限公司 | A kind of leather embossing device |
| CN111485040A (en) * | 2020-04-22 | 2020-08-04 | 陈爱娣 | Compaction drying equipment for leather restoration |
| CN111806055A (en) * | 2020-07-21 | 2020-10-23 | 倪新贺 | Synthetic leather forming treatment method |
| CN212270137U (en) * | 2020-05-18 | 2021-01-01 | 安徽索亚装饰材料有限公司 | Leather embossing equipment for production and processing of leather wall panels |
| CN212669723U (en) * | 2020-06-02 | 2021-03-09 | 苏州杜伦复合新材料有限公司 | Automatic laminating device of multilayer leather |
-
2021
- 2021-04-20 CN CN202110421252.1A patent/CN113103722A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108265453A (en) * | 2018-03-12 | 2018-07-10 | 嘉兴万源时装有限公司 | A kind of embossing device of leather fabric |
| CN208632571U (en) * | 2018-06-05 | 2019-03-22 | 广州益合康科技材料有限公司 | A kind of leather embossing device |
| CN111485040A (en) * | 2020-04-22 | 2020-08-04 | 陈爱娣 | Compaction drying equipment for leather restoration |
| CN212270137U (en) * | 2020-05-18 | 2021-01-01 | 安徽索亚装饰材料有限公司 | Leather embossing equipment for production and processing of leather wall panels |
| CN212669723U (en) * | 2020-06-02 | 2021-03-09 | 苏州杜伦复合新材料有限公司 | Automatic laminating device of multilayer leather |
| CN111806055A (en) * | 2020-07-21 | 2020-10-23 | 倪新贺 | Synthetic leather forming treatment method |
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