CN113062144A - Preparation process and preparation device of release paper for synthetic leather production - Google Patents

Abstract

The invention discloses a preparation process and a preparation device of release paper for synthetic leather production, wherein the preparation device comprises an operation platform, a first feeding mechanism for releasing raw material paper is arranged on the operation platform, a film laminating device is arranged on one side of the first feeding mechanism, a second feeding mechanism for feeding the film laminating device is fixed on the operation platform, a drying device is arranged on one side of the film laminating device, which is far away from the film laminating device, a release agent coating device is arranged on one side of the drying device, which is far away from the film laminating device, a winding device is arranged below the operation platform, and a driving device for driving the preparation device to operate is arranged on the operation platform. The preparation device disclosed by the invention has the advantages that the furling device is arranged below the first feeding mechanism, so that the occupied space of an operation platform is reduced, the drying device can be used for performing two times of drying treatment, the cost is saved, and the problem of difficult feeding in the film laminating process of the traditional release paper preparation device is solved by arranging the second feeding mechanism.

Description

Preparation process and preparation device of release paper for synthetic leather production

Technical Field

The invention relates to the field of synthetic leather production, in particular to a preparation process and a preparation device of release paper for synthetic leather production.

Background

The release paper is anti-sticking paper which can prevent the adhesion of the prepreg and can also protect the prepreg from being polluted. The release paper is made of paper coated with anti-sticking substances, and the type of the release paper is distinguished according to the material, thickness, elongation and difference of single side and double sides.

Release paper, also known as silicone oil paper. Consists of three layers of structures, the first layer: base paper; a second layer: film coating: and a third layer: a silicone oil. Can be used in electronic products, automobile foam, printing, food, medical and the like. In most cases, it is used with adhesive materials, in particular adhesive tapes.

The existing release paper production device is large in size, a drying device is arranged after the release paper production device and the release agent coating device are coated in a drying mode, the cost is wasted, and the traditional release paper production device is difficult to feed when the release paper production device is coated in a film coating mode.

Disclosure of Invention

The invention aims to provide a preparation process and a preparation device of release paper for synthetic leather production.

The purpose of the invention can be realized by the following technical scheme:

the utility model provides a synthetic leather production is with preparation facilities from type paper, preparation facilities includes operation platform, operation platform is last to be equipped with the first feed mechanism that is used for releasing raw materials paper, and one side of first feed mechanism is equipped with drenches the membrane device, is fixed with the second feed mechanism that is used for drenching membrane device material loading on the operation platform, and one side of drenching the membrane device and keeping away from to drench the membrane device is equipped with drying device.

One side of the drying device, which is far away from the film coating device, is provided with a release agent coating device, a winding device is arranged below the operating platform, and a driving device used for driving the preparation device to operate is arranged on the operating platform.

The second feeding mechanism comprises a feeding support fixed on the operating platform, a sliding plate is arranged on the feeding support in a sliding mode, a second driving piece used for driving the sliding plate to slide is arranged on the feeding support, a material loading piece is arranged on the sliding plate in a rotating mode, and a control piece used for controlling the material loading piece to rotate is arranged below the sliding plate.

The feeding support is provided with a material distribution device in a sliding mode, and a third driving piece used for driving the material distribution device to slide is fixed on the feeding support.

Further, first feed mechanism includes the reel support, goes up to rotate on the reel support and is equipped with the reel, and it has raw materials paper to wind on the reel, is fixed with the sixth gear on the reel, and the equal block in both ends of reel support has the first slider of symmetric distribution.

The first sliding part is located on the operating platform to slide, the two ends of the winding drum support are respectively provided with a first gear, the two sides of the first gears are respectively provided with a first screw rod, the first screw rods are in threaded connection with the first sliding part, the operating platform is fixedly provided with symmetrically distributed positioning supports, and the positioning supports are used for fixing the winding drum support when the first sliding part clamps the winding drum support.

Furthermore, drench the membrane device including fixing the melt tank on operation platform, the below of melt tank is equipped with and is located the gliding piece of drenching the membrane on the operation platform, and the below of melt tank is equipped with and is used for the drive to drench the gliding first driving piece of membrane piece, is equipped with the stirring piece in the melt tank.

And a first sliding rod and a first rack which are distributed in parallel are arranged in the melt tank.

The film spraying piece comprises a first support located on the operating platform and capable of sliding, and spray heads distributed in an array mode are fixed below the first support.

The first driving part comprises a first motor fixed below the melting tank, a first rotating part is fixed on an output shaft of the first motor, and a first sliding block is arranged on the first rotating part in a sliding mode.

One end of the first rotating part is rotatably provided with an adjusting part used for driving the first sliding block to slide, the first sliding block is rotatably provided with a second sliding part, a vertical connecting rod is fixed on the film spraying part, and the second sliding part is located on the vertical connecting rod to slide.

The stirring piece is including being located gliding second slider on the first slide bar, rotates on the second slider and is equipped with the stirring head, the top of stirring head be fixed with first rack toothing's second gear, one side outer wall of melt groove is fixed with the second motor, the lateral wall that the output shaft of second motor passed the melt groove is fixed with the second screw rod, second screw rod and second slider threaded connection.

Furthermore, the distributing device is located above the melting tank, the feeding support comprises a U-shaped support, a through hole is formed in one side of the U-shaped support, and limiting grooves are formed in the inner walls of the two sides of the through hole.

The sliding plate comprises a plate body, and clamping grooves which are symmetrically distributed are arranged below the plate body.

The material loading part comprises a material loading barrel, a first hinged part and a second hinged part which are distributed in a crossed mode are arranged on one side of the material loading barrel in a rotating mode, and the first hinged part and the second hinged part are connected with the sliding plate in a rotating mode.

The control piece comprises a first sliding shaft penetrating through the sliding plate, a third hinge connecting piece is rotatably arranged above the first sliding shaft, second sliding shafts are vertically and symmetrically distributed below the first sliding shaft, a connecting piece is slidably arranged on each second sliding shaft, an elastic piece is arranged between each connecting piece and the corresponding first sliding shaft, and the elastic pieces are sleeved on the second sliding shafts.

The third hinge joint piece is rotatably connected with the first hinge joint piece, and a clamping block matched with the clamping groove is fixed above one end of the connecting piece, which is far away from the first sliding shaft.

The second driving part comprises a third motor fixed on the feeding support, a third gear is fixed on an output shaft of the third motor, a second rack meshed with the third gear is arranged on the feeding support in a sliding mode, and the upper portion of the second rack is fixed on the sliding plate.

The third driving part comprises a fourth motor fixed on the feeding support, a third screw is fixed on an output shaft of the fourth motor, and the third driving part is in threaded connection with the distributing device through the third screw.

Furthermore, the drying device comprises heating plates which are symmetrically distributed, the heating plates are fixed on the operating platform, and a blowing device is arranged between the heating plates and is fixedly connected with the connecting rod;

the blowing device comprises a second support which is positioned on the operating platform and slides, and fans distributed in an array mode are fixed below the second support.

Further, from type agent coating unit including fixing the type agent standing groove on operation platform, operation platform goes up to rotate and is equipped with the guide roll, and one side of guide roll is rotated and is equipped with first driving roller, and the below of first driving roller is rotated and is equipped with the second driving roller, and the second driving roller is located the type agent standing groove, and the cover is equipped with the drive belt on first driving roller and the second driving roller.

The operation platform is provided with a third support in a sliding mode, the third support is fixed on the second support, coating pieces distributed in an array mode are arranged below the third support in a rotating mode, and the coating pieces are used for coating release agents on the transmission belt on the to-be-coated paper wound on the guide roller.

The coating piece is fixed with a fourth gear, a third rack meshed with the fourth gear is fixed on the operating platform, fifth gears are fixed on the first driving roller and the second driving roller respectively, the fifth gears are connected through a first gear synchronous belt, sixth gears are fixed on the second driving roller and the guide roller respectively, and the sixth gears are connected through a second gear synchronous belt.

Further, the winding device has the same structure as the first feeding mechanism, and the difference is that a winding drum on the winding device is used for winding the manufactured release paper, and a second gear on the winding device is meshed with a second gear on the first feeding mechanism.

Furthermore, a control mechanism is fixed below the operating platform, and the furling device and the first gear on the first feeding mechanism are both driven by the control mechanism.

The control mechanism comprises a cylinder fixed below the operating platform, a U-shaped rod is fixed on an output shaft of the cylinder, fourth racks symmetrically distributed are fixed above the U-shaped rod, and the control mechanism is meshed with the first gear through the fourth racks.

Furthermore, the driving device comprises a fifth motor fixed on the operating platform, a seventh gear meshed with a sixth gear on the winding device is fixed on an output shaft of the fifth motor, an eighth gear is connected to the seventh gear, a ninth gear is connected to the sixth gear on the guide roller, and the eighth gear and the ninth gear are connected through a third gear synchronous belt.

A preparation technology for preparing release paper by using a preparation device for the release paper for synthetic leather production comprises the following steps:

s1: drench membrane

Adding a polyolefin raw material into a film coating device, heating the polyolefin ion raw material to 250-350 ℃ for high-temperature hot melting to form polyolefin emulsion, spraying the polyolefin emulsion on raw material paper through the film coating device to realize film coating treatment on the raw material paper, wherein the film coating thickness is 0.25-0.35 mm.

S2: one-time drying

And drying the laminated paper subjected to the S1 laminating by a drying device.

S3: coated release agent

And (5) coating a release agent on the dried paper subjected to the S2 drying by using a release agent coating device.

S4: secondary drying

And (5) carrying out secondary drying treatment on the release paper prepared in the step (S3) by a drying device again.

S5: winding device

And winding the secondary dried rational paper in the step S4 by a winding device.

The invention has the beneficial effects that:

1. according to the preparation device, the winding device is arranged below the first feeding mechanism, so that the occupied space of the operation platform is reduced, and the drying device can be used for performing two times of drying treatment, so that the cost is saved;

2. according to the preparation device, the problem that the traditional release paper preparation device is difficult to feed when the film is sprayed is solved by arranging the second feeding mechanism.

Drawings

The invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic view of the structure of a production apparatus of the present invention;

FIG. 2 is a schematic view of the structure of a manufacturing apparatus of the present invention;

FIG. 3 is a schematic structural view of a part of a first feeding mechanism according to the present invention;

FIG. 4 is a schematic sectional view of a manufacturing apparatus according to the present invention;

FIG. 5 is a schematic structural view of a part of a manufacturing apparatus according to the present invention;

FIG. 6 is a schematic sectional view of a manufacturing apparatus according to the present invention;

FIG. 7 is an enlarged view of the structure at A in FIG. 6;

FIG. 8 is a schematic structural view of a part of a release agent coating apparatus according to the present invention;

FIG. 9 is an enlarged view of the structure at B in FIG. 4;

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 a part of the embodiments of the present invention, and not all of the 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.

The utility model provides a synthetic leather production is with preparation facilities from type paper, preparation facilities include operation platform 1, as shown in figure 1, figure 2, be equipped with the first feed mechanism 2 that is used for releasing raw materials paper on operation platform 1, one side of first feed mechanism 2 is equipped with drenches membrane device 3, is fixed with the second feed mechanism 4 that is used for drenching membrane device 3 material loading on operation platform 1, drenches membrane device 3 and keeps away from one side of drenching membrane device 3 and is equipped with drying device 5.

One side of drying device 5, which is far away from laminating device 3, is provided with a release agent coating device 6, the lower part of operation platform 1 is provided with a winding device 7, and operation platform 1 is provided with a driving device 9 for driving the preparation device to operate.

First feed mechanism 2 includes reel support 22, as shown in fig. 3, it is equipped with reel 23 to go up to rotate on reel support 22, be fixed with sixth gear 24 on reel 23, the equal block in both ends of reel support 22 has the first slider 21 of symmetric distribution, first slider 21 is located operation platform 1 and slides, the both ends of reel support 22 all are equipped with first gear 25, the both sides of first gear 25 all are equipped with first screw rod 26, threaded connection between first screw rod 26 and the first slider 21, be fixed with symmetric distribution's locating support 27 on the operation platform 1, locating support 27 is when first slider 21 blocks reel support 22, be used for fixed reel support 22.

The film spraying device 3 comprises a melt tank 31 fixed on the operation platform 1, as shown in fig. 4 and 9, a film spraying piece 32 sliding on the operation platform 1 is arranged below the melt tank 31, a first driving piece 33 for driving the film spraying piece 32 to slide is arranged below the melt tank 31, and a stirring piece 34 is arranged in the melt tank 31.

The melt channel 31 is provided with a first slide bar 311 and a first rack 312 which are distributed in parallel.

The film coating member 32 includes a first support 321 sliding on the operation platform 1, and spray heads 322 distributed in an array are fixed below the first support 321.

The first driving member 33 includes a first motor 331 fixed below the melt tank 31, and as shown in fig. 5, a first rotating member 332 is fixed to an output shaft of the first motor 331, and a first slider 333 is slidably disposed on the first rotating member 332.

One end of the first rotating member 332 is rotatably provided with an adjusting member 334 for driving the first sliding block 333 to slide, the first sliding block 333 is rotatably provided with a second sliding member 335, the laminating member 32 is fixed with a vertical connecting rod 336, and the second sliding member 335 is positioned on the vertical connecting rod 336 to slide.

The stirring member 34 includes a second sliding block 341 sliding on the first sliding rod 311, a stirring head 342 is rotatably disposed on the second sliding block 341, a second gear 343 engaged with the first rack 312 is fixed above the stirring head 342, a second motor 344 is fixed on an outer wall of one side of the melt tank 31, an output shaft of the second motor 344 penetrates through a side wall of the melt tank 31 and is fixed with a second screw 345, and the second screw 345 is in threaded connection with the second sliding block 341.

The second feeding mechanism 4 comprises a feeding bracket 41 fixed on the operation platform 1, a sliding plate 42 is slidably arranged on the feeding bracket 41, a second driving member 45 for driving the sliding plate 42 to slide is arranged on the feeding bracket 41, a loading member 43 is rotatably arranged on the sliding plate 41, and a control member 44 for controlling the rotation of the loading member 43 is arranged below the sliding plate 41.

A material distribution device 46 is arranged above the melting tank 31, the material distribution device 46 is positioned on the feeding support 41 to slide, and a third driving piece 47 for driving the material distribution device 46 to slide is fixed on the feeding support 1.

The feeding support 41 includes a U-shaped support 411, as shown in fig. 7, a through hole 412 is formed on one side of the U-shaped support 411, and both inner walls of both sides of the through hole 412 are provided with a limiting groove 413.

The sliding plate 42 includes a plate 421, and engaging grooves 422 symmetrically distributed are provided below the plate 421.

The loading member 43 comprises a loading barrel 43, one side of the loading barrel 43 is rotatably provided with a first hinge member 432 and a second hinge member 433 which are distributed in a crossed manner, and both the first hinge member 432 and the second hinge member 433 are rotatably connected with the sliding plate 42.

The control member 44 includes a first sliding shaft 441 penetrating the sliding plate 42, as shown in fig. 6, a third hinge 422 is rotatably disposed above the first sliding shaft 441, symmetrically disposed second sliding shafts 443 are vertically disposed below the first sliding shaft 441, a connecting member 444 is slidably disposed on the second sliding shaft 443, an elastic member 445 is disposed between the connecting member 444 and the first sliding shaft 441, and the elastic member 445 is sleeved on the second sliding shaft 443.

The third hinge member 422 is rotatably connected to the first hinge member 432, and a locking block 446 engaged with the locking groove 422 is fixed above an end of the connecting member 444 away from the first sliding shaft 441.

The second driving member 45 includes a third motor 45 fixed on the loading frame 41, a third gear 452 is fixed on an output shaft of the third motor 45, a second rack 453 engaged with the third gear 452 is slidably disposed on the loading frame 41, and the second rack 453 is fixed on the sliding plate 42 above the second rack 453.

The third driving member 47 includes a fourth motor 471 fixed on the feeding support 41, a third screw 471 is fixed on an output shaft of the fourth motor 471, and the third driving member 47 is in threaded connection with the distributing device 46 through the third screw 471.

The drying device 5 comprises heating plates 51 which are symmetrically distributed, the heating plates 51 are fixed on the operating platform 1, a blowing device 52 is arranged between the heating plates 51, and the blowing device 52 is fixedly connected with the connecting rod 336.

The blowing device 52 comprises a second bracket 521 sliding on the operation platform 1, and fans 522 distributed in an array are fixed below the second bracket 521.

Release agent coating unit 6 is including fixing release agent standing groove 61 on operation platform 1, as shown in fig. 8, rotates on operation platform 1 and is equipped with guide roll 62, and one side rotation of guide roll 62 is equipped with first driving roller 63, and the below rotation of first driving roller 63 is equipped with second driving roller 64, and second driving roller 64 is located release agent standing groove 61, and the cover is equipped with drive belt 65 on first driving roller 63 and the second driving roller 64.

The operation platform 1 is provided with a third support 66 in a sliding manner, the third support 66 is fixed on a second support 521, coating members 67 distributed in an array manner are rotatably arranged below the third support 66, and the coating members 67 are used for coating the release agent on the transmission belt 65 on the paper to be coated wound on the guide roller 62.

A fourth gear 68 is fixed on the coating member 67, a third rack 69 meshed with the fourth gear 68 is fixed on the operation platform 1, fifth gears 610 are fixed on the first driving roller 63 and the second driving roller 64, the fifth gears 610 are connected through a first gear synchronous belt 611, sixth gears 612 are fixed on the second driving roller 64 and the guide roller 62, and the sixth gears 612 are connected through a second gear synchronous belt 613.

The winding device 7 has the same structure as the first feeding mechanism 2, and is different in that a winding drum 23 on the winding device 7 is used for winding the prepared release paper, and a second gear 343 on the winding device 7 is meshed with the second gear 343 on the first feeding mechanism 2.

A control mechanism 8 is fixed below the operating platform 1, and the furling device 7 and a first gear 25 on the first feeding mechanism 2 are both driven by the control mechanism 8.

The control mechanism 8 comprises an air cylinder 81 fixed below the operating platform 1, a U-shaped rod 82 is fixed on an output shaft of the air cylinder 81, fourth racks 83 which are symmetrically distributed are fixed above the U-shaped rod 82, and the control mechanism 8 is meshed with the first gear 25 through the fourth racks 83.

The driving device 9 comprises a fifth motor 91 fixed on the operation platform 1, a seventh gear 92 meshed with the sixth gear 24 on the winding device 7 is fixed on an output shaft of the fifth motor 91, an eighth gear 93 is connected on the seventh gear 92, a ninth gear 94 is connected on a sixth gear 612 on the guide roller 62, and the eighth gear 93 and the ninth gear 94 are connected through a third gear synchronous belt 95.

A preparation technology for preparing release paper by using a preparation device for the release paper for synthetic leather production comprises the following process steps:

s1: drench membrane

Adding polyolefin raw materials into the laminating device 3, heating the polyolefin ion raw materials to 300 ℃ for high-temperature hot melting to form polyolefin emulsion, spraying the polyolefin emulsion on the raw material paper released by the first feeding mechanism 2 through the laminating device 3 to realize laminating treatment on the raw material paper, wherein the laminating thickness is 0.3 mm.

S2: one-time drying

And drying the laminated paper subjected to the S1 laminating by a drying device 5.

S3: coated release agent

And (5) coating the release agent on the dried paper dried in the step (S2) by a release agent coating device 6.

S4: secondary drying

And (5) drying the release paper prepared in the step (S3) again by the drying device 5 for the second time.

S5: winding device

And (7) winding the sorted paper dried for the second time in the step (S4) by a winding device 7.

During the use, through setting up roll-up device 7 in the below of first feed mechanism 2, reduced operation platform 1's occupation space promptly, can carry out twice stoving again through drying device 5 and handle, practiced thrift the cost, through setting up second feed mechanism 4, the problem of the traditional material loading difficulty when drenching the membrane from type paper preparation facilities has been solved.

When the sliding plate 42 is driven by the second driving member 45 to slide upwards and slide until the engaging block 446 and the limiting groove 446 are horizontal, the engaging block 446 slides into the limiting groove 446 under the action of the elastic member 445 to be separated from the limiting groove 422, the sliding plate 42 is continuously driven to slide upwards, the loading member 43 overturns under the action of the pulling force of the control member 44, and the raw materials in the loading barrel 431 are poured into the material leaking device 46.

The axial distance between the first sliding block 333 and the first motor 331 is controlled by the adjusting member 334 to adjust the maximum sliding stroke of the first support 322 on the operating platform 1, so that the release paper manufacturing device can be suitable for manufacturing release paper with different widths.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.

Claims (10)

1. A preparation device of release paper for synthetic leather production comprises an operation platform (1), and is characterized in that a first feeding mechanism (2) used for releasing raw material paper is arranged on the operation platform (1), a film laminating device (3) is arranged on one side of the first feeding mechanism (2), a second feeding mechanism (4) used for feeding the film laminating device (3) is fixed on the operation platform (1), and a drying device (5) is arranged on one side, far away from the film laminating device (3), of the film laminating device (3);

a mold release agent coating device (6) is arranged on one side, away from the film coating device (3), of the drying device (5), a winding device (7) is arranged below the operating platform (1), and a driving device (9) for driving the preparation device to operate is arranged on the operating platform (1);

the second feeding mechanism (4) comprises a feeding support (41) fixed on the operating platform (1), a sliding plate (42) is arranged on the feeding support (41) in a sliding mode, a second driving piece (45) used for driving the sliding plate (42) to slide is arranged on the feeding support (41), a material loading piece (43) is arranged on the sliding plate (41) in a rotating mode, and a control piece (44) used for controlling the material loading piece (43) to rotate is arranged below the sliding plate (41);

and a material distribution device (46) is arranged on the feeding support (41) in a sliding manner, and a third driving piece (47) for driving the material distribution device (46) to slide is fixed on the feeding support (1).

2. The preparation device of release paper for synthetic leather production according to claim 1, wherein the first feeding mechanism (2) comprises a reel support (22), a reel (23) is rotatably arranged on the reel support (22), raw paper is wound on the reel (23), a sixth gear (24) is fixed on the reel (23), and first sliding members (21) which are symmetrically distributed are clamped at two ends of the reel support (22);

first slider (21) are located operation platform (1) and slide, and the both ends of reel support (22) all are equipped with first gear (25), and the both sides of first gear (25) all are equipped with first screw rod (26), threaded connection between first screw rod (26) and first slider (21), be fixed with symmetric distribution's locating support (27) on operation platform (1), and locating support (27) are used for fixed reel support (22) when first slider (21) carry out the block to reel support (22).

3. The preparation device of release paper for synthetic leather production according to claim 2, wherein the laminating device (3) comprises a melt tank (31) fixed on the operation platform (1), a laminating piece (32) sliding on the operation platform (1) is arranged below the melt tank (31), a first driving piece (33) for driving the laminating piece (32) to slide is arranged below the melt tank (31), and a stirring piece (34) is arranged in the melt tank (31);

a first sliding rod (311) and a first rack (312) which are distributed in parallel are arranged in the melt groove (31);

the film spraying piece (32) comprises a first support (321) which is positioned on the operating platform (1) and slides, and spray headers (322) which are distributed in an array manner are fixed below the first support (321);

the first driving part (33) comprises a first motor (331) fixed below the melting tank (31), a first rotating part (332) is fixed on an output shaft of the first motor (331), and a first sliding block (333) is arranged on the first rotating part (332) in a sliding manner;

one end of the first rotating piece (332) is rotatably provided with an adjusting piece (334) used for driving the first sliding block (333) to slide, the first sliding block (333) is rotatably provided with a second sliding piece (335), a vertical connecting rod (336) is fixed on the film coating piece (32), and the second sliding piece (335) is positioned on the vertical connecting rod (336) to slide;

the stirring piece (34) comprises a second sliding block (341) which is positioned on the first sliding rod (311) and slides, a stirring head (342) is arranged on the second sliding block (341) in a rotating mode, a second gear (343) meshed with the first rack (312) is fixed above the stirring head (342), a second motor (344) is fixed on the outer wall of one side of the melting tank (31), a second screw rod (345) is fixed on the side wall of the melting tank (31) through which the output shaft of the second motor (344) penetrates, and the second screw rod (345) is in threaded connection with the second sliding block (341).

4. A device for preparing release paper for synthetic leather production according to claim 3, wherein the distributing device (46) is positioned above the melting tank (31), the feeding support (41) comprises a U-shaped support (411), one side of the U-shaped support (411) is provided with a through hole (412), and the inner walls of the two sides of the through hole (412) are provided with limiting grooves (413);

the sliding plate (42) comprises a plate body (421), and clamping grooves (422) which are symmetrically distributed are arranged below the plate body (421);

the material loading part (43) comprises a material loading barrel (43), one side of the material loading barrel (43) is rotatably provided with a first hinge part (432) and a second hinge part (433) which are distributed in a crossed manner, and the first hinge part (432) and the second hinge part (433) are both rotatably connected with the sliding plate (42);

the control part (44) comprises a first sliding shaft (441) penetrating through the sliding plate (42), a third hinge part (422) is rotatably arranged above the first sliding shaft (441), second sliding shafts (443) are vertically and symmetrically distributed below the first sliding shaft (441), a connecting part (444) is slidably arranged on the second sliding shaft (443), an elastic part (445) is arranged between the connecting part (444) and the first sliding shaft (441), and the elastic part (445) is sleeved on the second sliding shaft (443);

the third hinge joint piece (422) is rotatably connected with the first hinge joint piece (432), and a clamping block (446) matched with the clamping groove (422) is fixed above one end of the connecting piece (444) far away from the first sliding shaft (441);

the second driving part (45) comprises a third motor (45) fixed on the feeding bracket (41), a third gear (452) is fixed on an output shaft of the third motor (45), a second rack (453) meshed with the third gear (452) is arranged on the feeding bracket (41) in a sliding mode, and the upper portion of the second rack (453) is fixed on the sliding plate (42);

the third driving piece (47) comprises a fourth motor (471) fixed on the feeding support (41), a third screw (471) is fixed on an output shaft of the fourth motor (471), and the third driving piece (47) is in threaded connection with the distributing device (46) through the third screw (471).

5. A device for preparing release paper for synthetic leather production according to claim 3, wherein the drying device (5) comprises symmetrically distributed heating plates (51), the heating plates (51) are fixed on the operating platform (1), a blowing device (52) is arranged between the heating plates (51), and the blowing device (52) is tightly connected with the connecting rod (336);

the blowing device (52) comprises a second bracket (521) which is positioned on the operating platform (1) and slides, and fans (522) distributed in an array are fixed below the second bracket (521).

6. A preparation device of release paper for synthetic leather production according to claim 5, wherein the release agent coating device (6) comprises a release agent placing groove (61) fixed on the operation platform (1), a guide roller (62) is rotatably arranged on the operation platform (1), a first driving roller (63) is rotatably arranged on one side of the guide roller (62), a second driving roller (64) is rotatably arranged below the first driving roller (63), the second driving roller (64) is positioned in the release agent placing groove (61), and a driving belt (65) is sleeved on the first driving roller (63) and the second driving roller (64);

the operating platform (1) is provided with a third support (66) in a sliding manner, the third support (66) is fixed on the second support (521), coating pieces (67) distributed in an array manner are rotatably arranged below the third support (66), and the coating pieces (67) are used for coating release agents on a transmission belt (65) on to-be-coated paper wound on a guide roller (62);

a fourth gear (68) is fixed on the coating piece (67), a third rack (69) meshed with the fourth gear (68) is fixed on the operating platform (1), fifth gears (610) are fixed on the first transmission roller (63) and the second transmission roller (64), the fifth gears (610) are connected through a first gear synchronous belt (611), sixth gears (612) are fixed on the second transmission roller (64) and the guide roller (62), and the sixth gears (612) are connected through a second gear synchronous belt (613).

7. A device for preparing release paper for synthetic leather production according to claim 6, wherein the reeling device (7) has the same structure as the first feeding mechanism (2), and the difference is that a reel (23) on the reeling device (7) is used for reeling the prepared release paper, and a second gear (343) on the reeling device (7) is meshed with the second gear (343) on the first feeding mechanism (2).

8. A preparation device of release paper for synthetic leather production according to claim 7, wherein a control mechanism (8) is fixed below the operation platform (1), and the furling device (7) and the first gear (25) on the first feeding mechanism (2) are both driven by the control mechanism (8);

the control mechanism (8) comprises an air cylinder (81) fixed below the operating platform (1), a U-shaped rod (82) is fixed on an output shaft of the air cylinder (81), fourth racks (83) which are symmetrically distributed are fixed above the U-shaped rod (82), and the control mechanism (8) is meshed with the first gear (25) through the fourth racks (83).

9. A preparation device of release paper for synthetic leather production according to claim 7, wherein the driving device (9) comprises a fifth motor (91) fixed on the operation platform (1), a seventh gear (92) meshed with a sixth gear (24) on the furling device (7) is fixed on an output shaft of the fifth motor (91), an eighth gear (93) is connected on the seventh gear (92), a ninth gear (94) is connected on a sixth gear (612) on the guide roller (62), and the eighth gear (93) and the ninth gear (94) are connected through a third gear synchronous belt (95).

10. The preparation process for preparing the release paper based on the preparation device for the release paper for synthetic leather production, which is characterized by comprising the following steps of:

s1: drench membrane

Adding a polyolefin raw material into the laminating device (3), heating the polyolefin ion raw material to 250-350 ℃ for high-temperature hot melting to form polyolefin emulsion, spraying the polyolefin emulsion on the raw material paper through the laminating device (3) to realize laminating treatment on the raw material paper, wherein the laminating thickness is 0.25-0.35 mm.

S2: one-time drying

Drying the laminated paper subjected to the S1 laminating by a drying device (5);

s3: coated release agent

Coating a release agent on the dried paper dried in the S2 by a release agent coating device (6);

s4: secondary drying

The release paper prepared in the step S3 is dried again by a drying device (5);

s5: winding device

And (4) winding the sorted paper dried in the step (S4) in the second time through a winding device (7).

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