CN115465699A

CN115465699A - Winding and unwinding device of coating machine

Info

Publication number: CN115465699A
Application number: CN202211112925.6A
Authority: CN
Inventors: 刘瑾豪; 刘方
Original assignee: Changyuan Zehui New Energy Materials Research Institute Zhuhai Co ltd
Current assignee: Changyuan Zehui New Energy Materials Research Institute Zhuhai Co ltd
Priority date: 2022-09-13
Filing date: 2022-09-13
Publication date: 2022-12-13

Abstract

The invention discloses a winding and unwinding device of a coating machine, which comprises a rack and also comprises: the turnover mechanism comprises a turnover frame and two groups of coil cylinder fixing assemblies symmetrically arranged on the turnover frame, the turnover frame is rotatably arranged on the rack, and the turnover frame can turn over and enables the two groups of coil cylinder fixing assemblies to exchange positions; the pressing cutting mechanism comprises an installation frame, a first driving device, a pressing assembly and a cutter assembly, wherein the pressing assembly and the cutter assembly are arranged on the installation frame; the approach roller mechanism is arranged on the rack and comprises an approach roller, and the approach roller is wound with the coil stock and can move towards the coil stock barrel fixing component; the turnover mechanism, the pressing cutting mechanism and the approaching roller mechanism are sequentially arranged along the conveying path of the coil stock. The invention has the advantages of high automation degree, no need of manual operation, high winding and unwinding quality and the like.

Description

Winding and unwinding device of coating machine

Technical Field

The invention relates to the technical field of coating machines, in particular to a winding and unwinding device of a coating machine.

Background

The coating machine is mainly used for the surface coating process production of films, paper and the like, and can coat a layer of glue, paint, ink and the like with specific functions on a coiled material, and the coiled material is dried and then cut into sheets or wound. The winding and unwinding device is used for winding and unwinding a coil stock in film production and processing equipment such as a coating machine, and the winding and unwinding device in the prior art fixes a coil stock cylinder for winding a film on a rotating shaft and drives the rotating shaft to rotate through an external power source so as to drive the coil stock cylinder to move together, so that the winding action of the film coil stock is realized. When a single coil stock cylinder finishes rolling or unreeling, equipment needs to be closed and a film needs to be cut off, the coil stock cylinder needs to be replaced manually, the defects of complex operation and the like are overcome, and meanwhile, the phenomenon that the film is wrinkled, attached unevenly and the like easily occurs when a new coil stock cylinder is rolled into the film in the replacement process, so that the surface quality of the coil stock is influenced.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a winding and unwinding device of a coating machine.

The winding and unwinding device of the coating machine comprises: the turnover mechanism comprises a turnover frame and two groups of winding drum fixing assemblies symmetrically arranged on the turnover frame, the turnover frame is rotatably arranged on the rack, the turnover frame can turn over and enables the two groups of winding drum fixing assemblies to exchange positions, and the winding drum fixing assemblies are used for fixing the winding drums; the pressing and cutting mechanism comprises a mounting frame, a first driving device, a pressing component and a cutter component, wherein the pressing component and the cutter component are arranged on the mounting frame; the approach roller mechanism is arranged on the rack and comprises an approach roller, and the approach roller is wound with a coil and can move towards the coil cylinder fixing assembly; the turnover mechanism, the pressing cutting mechanism and the approach roller mechanism are sequentially arranged along the conveying path of the coil stock.

The winding and unwinding device of the coating machine, provided by the embodiment of the invention, at least has the following beneficial effects: the roll material barrels on the two roll material barrel fixing assemblies are controlled by the turnover frame to perform position exchange, meanwhile, the roll material on one roll material barrel is pressed onto the other roll material barrel by virtue of the pressing assembly, the cut-off of the roll material is realized by virtue of the cutter assembly, the transition connection of the roll material on the two roll material barrels is realized, the surface smoothness of the roll material in the roll material reeling and unreeling process is guaranteed by virtue of the approach roller mechanism, the surface quality of the roll material in the reeling and unreeling process is improved, and the roll material reeling and unreeling device has the advantages of high automation degree, no need of manual operation, high reeling and unreeling quality and the like.

According to some embodiments of the invention, a compression assembly comprises: the device comprises a compression roller, a first magnetic gear and a second magnetic gear, wherein one end part of the compression roller is provided with the first magnetic gear, and two ends of the compression roller are rotatably provided with connecting plates; the second driving device is arranged on the mounting frame, a second magnetic gear is arranged at the output end of the second driving device, the second magnetic gear is magnetically connected with the first magnetic gear, and the second driving device can drive the compression roller to rotate; and the third driving device is arranged on the mounting frame, is connected with the connecting plate and can drive the connecting plate and the press roller to move towards the rolling material cylinder fixing component.

According to some embodiments of the invention, the cutter assembly comprises: the cutter is movably arranged on the mounting frame; and the fourth driving device is connected with the cutter and can drive the cutter to rotate towards the winding drum fixing component.

According to some embodiments of the invention, the cutter assembly further comprises a rotating shaft, a material passing roller is rotatably arranged on the rotating shaft and used for abutting against the coiled material, the rotating shaft is rotatably arranged on the mounting frame, one side of the cutter is fixed on the rotating shaft, a connecting rod perpendicular to the rotating shaft is arranged at the end of the rotating shaft, the fourth driving device adopts an air cylinder, the fourth driving device is rotatably arranged on the mounting frame, and an output shaft of the fourth driving device is hinged with the connecting rod.

According to some embodiments of the invention, the roll-over stand is provided with a first slide rail, and the roll-up drum fixing assembly comprises: the clamping units comprise two groups which are oppositely arranged, each clamping unit comprises an installation seat and a collet chuck arranged on the installation seat, a first sliding block is arranged on the installation seat, and the first sliding block is connected with a first sliding rail in a sliding manner; and the fifth driving device can drive the two groups of clamping units to approach each other and clamp the winding barrel.

According to some embodiments of the invention, the gripping unit further comprises a sixth driving means, which is arranged on the mount and can drive the collet chuck in rotation.

According to some embodiments of the invention, the frame is provided with a second slide rail, and the proximity roller mechanism comprises: the two mounting plates are arranged at intervals and are provided with second sliding blocks, the two mounting plates are connected with second sliding rails in a sliding mode through the second sliding blocks, and the two ends close to the rollers are movably arranged on the mounting plates; and the seventh driving device is connected with the mounting plate and can drive the mounting plate and the approaching roller to horizontally move and approach or depart from the turnover mechanism.

According to some embodiments of the invention, the mounting plate is provided with an eighth driving device, and the eighth driving device is connected with the approaching roller and can drive the approaching roller to move horizontally and to approach or move away from the turnover mechanism.

According to some embodiments of the invention, the approach roller mechanism further comprises a curved roller and a ninth driving device connected with the curved roller, the curved roller and the ninth driving device are both arranged on the mounting plate, and the ninth driving device can drive the curved roller to rotate.

According to some embodiments of the invention, a tension roller and a dancer roller for winding the web are further provided on the machine frame along the transport path of the web.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic view of the overall structure of the winding and unwinding device of the coating machine of the present embodiment;

fig. 2 is a schematic view of a winding and unwinding device of the coating machine in the embodiment in a winding and unwinding state;

fig. 3 is a schematic view of a winding and unwinding device of the coating machine of the present embodiment in a pressing and cutting state;

FIG. 4 is a schematic structural diagram of the turnover mechanism;

FIG. 5 is a schematic structural view of a pressing and cutting mechanism;

fig. 6 is a schematic view of the structure of the proximity roller mechanism.

Reference numerals: a frame 100; a second slide rail 101; a tension roller 102; a dancer roll 103;

the turnover mechanism 200; a roll-over stand 210; a first slide rail 211; a winding cartridge securing assembly 220; a mounting seat 221; a collet 222; a first slider 223; a fifth driving device 224; a sixth driving device 225; a transition roll 230;

a pressing cutting mechanism 300; a mounting frame 310; a first driving device 320; a press-fit assembly 330; a press roller 331; a first magnetic gear 332; a connecting plate 333; a second drive arrangement 334; a second magnetic gear 335; the third driving device 336; a cutter assembly 340; a cutter 341; a fourth drive 342; a rotating shaft 343; a feed roller 344; a connecting rod 345;

the proximity roller mechanism 400; a proximity roller 410; a mounting plate 420; a second slider 421; a seventh driving device 430; an eighth driving device 440; an arcuate roll 450; a ninth driving means 460.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "lateral", "longitudinal", "vertical", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.

The invention discloses a winding and unwinding device of a coating machine, which is used for winding and unwinding roll materials such as films and the like in the coating machine, and with reference to fig. 1 to 6, the winding and unwinding device of the coating machine comprises a rack 100, and further comprises a turnover mechanism 200, a pressing and cutting mechanism 300 and an approach roller mechanism 400 which are sequentially arranged on the rack 100 along the conveying path of the roll materials.

Referring to fig. 1, 2, 3 and 4, in the present invention, the turnover mechanism 200, the pressing and cutting mechanism 300 and the proximity roller mechanism 400 are sequentially arranged from left to right. The turnover mechanism 200 comprises a turnover frame 210 and two sets of rolling barrel fixing assemblies 220 symmetrically arranged on the turnover frame 210, the middle part of the turnover frame 210 is rotatably arranged on the frame 100 through a rotating shaft 343, and turnover is realized through connecting driving devices such as a motor and the like. Two roll up feed cylinder fixed subassembly 220 all are provided with roll up feed cylinder, wherein, the roll up feed cylinder fixed subassembly 220 on right side is used for receiving and unreeling work, when accomplishing to receive and unreel the work, roll-over stand 210 is rotatory 180 makes two sets of roll up feed cylinder fixed subassembly 220 exchange positions, simultaneously, the upper and lower both sides of roll-over stand 210 still are provided with transition roller 230, transition roller 230 can be when roll-over stand 210 overturns 180, the coil stock on the roll-over feed cylinder can be convoluteed on transition roller 230, realize accepting the transition to the coil stock.

Referring to fig. 1, fig. 2, fig. 3 and fig. 5, the pressing and cutting mechanism 300 includes a mounting frame 310, a first driving device 320, and a pressing component 330 and a cutting component 340 disposed on the mounting frame 310, the mounting frame 310 is rotatably disposed on the rack 100, the first driving device 320 can drive the mounting frame 310 to rotate towards the winding drum fixing component 220, wherein the first driving device 320 employs an air cylinder, the first driving device 320 is hinged on the rack 100, an output shaft of the first driving device 320 is hinged with the mounting frame 310, and an output shaft of the first driving device 320 extends and retracts to drive the mounting frame 310 to rotate, so that the pressing component 330 and the cutting component 340 on the mounting frame 310 move towards the winding drum fixing component 220; the pressing assembly 330 is used for pressing the coil stock of one coil stock fixing assembly 220 to the other coil stock fixing assembly 220, and the cutter assembly 340 is used for cutting off the coil stock;

referring to fig. 2, 3 and 6, an approach roller mechanism 400 is provided on the frame 100, the approach roller mechanism 400 being used for flattening of the roll material, the approach roller mechanism 400 including an approach roller 410 around which the roll material is wound and which is movable toward the roll cartridge fixing assembly 220. In the rolling process, the coil stock passes through the approach roller 410 and is wound on the coil stock barrel, the approach roller 410 can be close to the coil stock barrel or abut against the coil stock barrel, air entering the coil stock is reduced, and the coil stock effect is ensured.

Referring to fig. 1, 2, 3 and 4, in the present invention, the roll cartridges are disposed on two roll cartridge fixing assemblies 220 of the roll stand 210, wherein the right side of the two roll cartridge fixing assemblies 220 is disposed as a first roll cartridge, and the left side thereof is disposed as a second roll cartridge.

In the rolling work, the first winding barrel of winding barrel fixed component 220 control on right side carries out rolling work, and the coil stock is from right to left rolling to first winding barrel on, and the second winding barrel is empty bucket and is in standby state. When the first winding barrel finishes winding, the roll-over stand 210 rotates 180 degrees, the positions of the left and right winding barrel fixing assemblies 220 are exchanged, the first winding barrel rotates to the left side, and meanwhile, the winding material on the first winding barrel is positioned above the second winding barrel. Then, the first driving device 320 drives the mounting frame 310 to move towards the right-side material winding barrel fixing assembly 220, so that the pressing assembly 330 presses the material winding onto the surface of the second material winding barrel, the material winding is attached to the second material winding barrel, the material winding is cut off by the cutter assembly 340, and the cut material winding is attached to the surface of the second material winding barrel, so that continuous winding work is realized;

in the unreeling work, the first reeling barrel is controlled by the reeling barrel fixing assembly 220 on the right side to unreel, the reeling is unreeled from left to right to other shaft rollers of the coating machine, and the second reeling barrel is full of the reeling and is in a standby state. When first coil of material section of thick bamboo is about to accomplish unreeling, roll-over stand 210 is rotatory 180, two coil of material section of thick bamboo fixed subassembly 220 position exchanges about making, and the coil stock of first coil of material section of thick bamboo is in the top of second coil of material section of thick bamboo, presses the coil stock surface at second coil of material section of thick bamboo through pressing mechanism to cut off the coil stock of first coil of material section of thick bamboo through cutter unit spare 340, make the coil stock of first coil of material section of thick bamboo bond with the coil stock of second coil of material section of thick bamboo, thereby realize unreeling work in succession.

According to the coiling and uncoiling device of the coating machine, the position exchange of the coiling barrels on the two coiling barrel fixing assemblies is controlled through the turnover frame, meanwhile, the coiling material on one coiling barrel is pressed onto the other coiling barrel through the pressing assembly, the cutting of the coiling material is achieved through the cutter assembly, the transitional connection of the coiling material on the two coiling barrels is achieved, the surface smoothness of the coiling material in the coiling and uncoiling process is guaranteed through the approaching roller mechanism, the surface quality of the coiling material in the coiling and uncoiling process is improved, and the coiling and uncoiling device has the advantages of being high in automation degree, free of manual operation, high in coiling and uncoiling quality and the like.

Referring to fig. 3 and 5, in some embodiments of the invention, the stitching assembly 330 includes a nip roller 331, a second drive 334, and a third drive 336.

One end of the pressure roller 331 is provided with a first magnetic gear 332, and meanwhile, both ends of the pressure roller 331 are also provided with connecting plates 333, and the pressure roller 331 is rotatably connected with the connecting plates 333 through ball bearings; the second driving device 334 is arranged on the mounting frame 310, the second driving device 334 adopts a driving motor, the output end of the second driving device 334 is provided with a second magnetic gear 335, the second magnetic gear 335 is magnetically connected with the first magnetic gear 332, the second driving device 334 can drive the second magnetic gear 335 to rotate, the second magnetic gear 335 drives the first magnetic gear 332 to rotate through magnetic transmission, so as to drive the pressing roller 331 to rotate relative to the connecting plate 333, in the embodiment, the rotating direction of the pressing roller 331 is consistent with the rolling direction of the film, wherein the first magnetic gear 332 and the second magnetic gear 335 transmit torque through an alternating magnetic field, and the principle of the driving device is a magnetic gear transmission principle commonly used in the prior art; a third driving means 336 is disposed on the mounting frame 310, and the third driving means 336 is connected to the connecting plate 333 and can drive the connecting plate 333 and the pressing roller 331 to move toward the roll cartridge fixing assembly 220.

Under the driving of the third driving device 336, the pressing roller 331 is in an extending state and abuts against the material winding barrel on the material winding barrel fixing component 220, the pressing roller 331 abuts against the material winding surface of the material winding barrel to enable the material winding barrel to be tightly attached to the material winding barrel, meanwhile, by virtue of the characteristic of magnetic connection between the first magnetic gear 332 and the second magnetic gear 335, the pressing roller 331 and the first magnetic gear 332 can still be driven by the first driving device 320 in the extending state, the second driving device 334 drives the pressing roller 331 to rotate along the winding or unwinding direction of the film through magnetic force, friction between the pressing roller 331 and the film can be reduced, and therefore wrinkling on the surface of the film is reduced, the winding and unwinding quality is ensured, and the film quality is improved.

Further, the third driving device 336 comprises two rodless cylinders symmetrically disposed on the mounting frame 310, and two connecting plates 333 at two ends of the pressing roller 331 are respectively connected to the two rodless cylinders.

The rodless cylinder comprises a sliding block, a cylinder body and two guide rods, the two guide rods are arranged on the mounting frame 310 in parallel, the cylinder body is parallel to the guide rods, the sliding block is connected with the cylinder body and the two guide rods in a sliding mode, the sliding block can move along the guide rods under the action of the cylinder body, the action principle of the rodless cylinder is consistent with that of a rodless cylinder which is common in the prior art, detailed description of the rodless cylinder is omitted, and the connecting plate 333 is fixed on the sliding block of the rodless cylinder through bolts. The rodless cylinder has the advantages of small integral installation size, compact structure and the like, and ensures the stability of the linear motion of the connecting plate 333 and the compression roller 331.

Referring to fig. 3 and 5, in some embodiments of the present invention, the cutter assembly 340 includes a cutter 341 and a fourth drive 342. The cutter 341 is movably arranged on the mounting rack 310, and the arrangement direction of the cutter 341 is parallel to the press roller 331; the fourth driving device 342 is connected to the cutting knife 341 and can drive the cutting knife 341 to rotate toward the winding drum fixing assembly 220, so as to cut the winding material by means of the cutting edge of the cutting knife 341.

More specifically, a rotating shaft 343 is rotatably disposed on the mounting frame 310 through a bearing, one end of the cutter 341 is fixed on the rotating shaft 343, the other end of the cutter 341 is provided with a downward knife edge, a connecting rod 345 perpendicular to the end of the rotating shaft 343 is fixed on the end of the rotating shaft 343, a cylinder is used as the fourth driving device 342, the fourth driving device 342 is rotatably disposed outside the mounting frame 310 through a pin shaft or the like, an output shaft of the fourth driving device 342 is hinged to the connecting rod 345, and an output shaft of the fourth driving device 342 can perform a telescopic motion, so as to drive the connecting rod 345 to rotate around the rotating shaft 343 and drive the rotating shaft 343 to rotate together, thereby driving the cutter 341 to rotate, so that the knife edge of the cutter 341 can rotate towards the coil and cut the coil.

Meanwhile, a material passing roller 344 is further arranged on the rotating shaft 343, and a ball bearing is arranged between the material passing roller 344 and the rotating shaft 343, so that the material passing roller 344 can rotate independently relative to the rotating shaft 343. During the process that the first driving device 320 drives the mounting frame 310 to rotate towards the material winding barrel fixing assembly 220, the material passing roller 344 can abut against and press the material winding, so that the surface of the material winding is kept at a certain tension, and the cutting operation of the cutting knife 341 is facilitated.

Referring to fig. 2 and 4, in some embodiments of the present invention, the roll stand 210 is provided with a first slide rail 211, and the roll cartridge fixing assembly 220 includes: a gripper unit and a fifth drive 224.

The clamping unit comprises two groups which are oppositely arranged, the clamping unit comprises a mounting seat 221 and a collet 222 arranged on the mounting seat 221, a first sliding block 223 is arranged on the mounting seat 221, and the first sliding block 223 is connected with the first sliding rail 211 in a sliding manner; the fifth driving means 224 may drive the two sets of clamping units towards or away from each other, and the collet chucks 222 of the two clamping units may clamp or unclamp the coil cartridge after approaching or departing from each other. Wherein, the setting direction of first slide rail 211 is unanimous with the setting direction of compression roller 331, guarantee that the winding barrel that two sets of clamping unit are fixed is parallel with compression roller 331, fifth drive arrangement 224 includes two sets of cylinders, fifth drive arrangement 224 passes through connecting pieces such as bolts to be fixed on roll-over stand 210, the output shaft of fifth drive arrangement 224 is parallel and connect mount pad 221 with first slide rail 211, thereby realize the reciprocating motion of mount pad 221 on first slide rail 211, and guarantee the clamping stability of clamping unit when quiescent condition, have the regulation sensitivity, advantages such as motion accuracy height.

Referring to fig. 4, the clamping unit further includes a sixth driving device 225, the sixth driving device 225 is disposed on the mounting seat 221 and can drive the collet chuck 222 to rotate, wherein the sixth driving device 225 is a motor, the motor drives the collet chuck 222 to rotate through a gear engagement transmission, and the rotation of the collet chuck 222 can drive the winding barrels to rotate together, so as to control the winding or unwinding operation of the winding barrel attribute on the winding material.

The end of the collet 222 is further provided with a conical head, and the conical head structure of the collet 222 can be partially inserted into the winding barrel, and the conical surface of the conical head abuts against the side wall of the winding barrel, so that the winding barrel is fixed. Meanwhile, a plurality of protrusions are arranged on the conical surface of the conical head at intervals, and the protrusions can increase the friction force between the conical surface and the side wall of the winding barrel, so that the synchronous rotation of the winding barrel in the rotating process of the collet 222 is ensured, and the slipping phenomenon is avoided.

Referring to fig. 2 and 6, in some embodiments of the present invention, the second slide rail 101 is disposed on the frame 100, the second slide rail 101 is disposed in a horizontal direction, and the proximity roller mechanism 400 includes a mounting plate 420 and a seventh driving device 430. The mounting plates 420 are arranged at intervals, the mounting plates 420 are provided with second sliding blocks 421, the two mounting plates 420 are connected with the second sliding rail 101 in a sliding mode through the second sliding blocks 421, and two ends close to the rollers 410 are movably arranged on the mounting plates 420; the seventh driving device 430 is connected to the mounting plate 420, the seventh driving device 430 can drive the mounting plate 420 and the approaching roller 410 to move horizontally along the second sliding rail 101 and to approach or leave the material winding barrel on the turnover mechanism 200, the seventh driving device 430 adopts a lead screw motor, the seventh driving device 430 is fixed on the frame 100, and an output shaft of the seventh driving device is connected to the mounting plate 420 through a lead screw slider structure. In the rolling in-process, the coil stock is through being close roller 410 and rolling on the coil stock section of thick bamboo, and it can be close to the coil stock section of thick bamboo or butt coil stock section of thick bamboo to be close roller 410, and the coil stock can guarantee self surfacing when being close roller 410 through, reduces during the air admission coil stock, guarantees the quality of rolling.

Referring to fig. 6, further, an eighth driving device 440 is disposed on the mounting plate 420, and the eighth driving device 440 is connected to the proximity roller 410 and can drive the proximity roller 410 to move horizontally and to approach or move away from the turnover mechanism 200. The eighth driving device 440 is used for further adjusting the position of the approach roller 410, so as to realize the function of flexibly adjusting the interval between the approach roller 410 and the winding drum and ensure the function and effect of the approach roller 410. Wherein, the eighth driving device 440 adopts a rodless cylinder horizontally arranged.

Referring to fig. 6, in some embodiments of the present invention, the proximity roller mechanism 400 further includes a curved roller 450 and a ninth drive 460 coupled to the curved roller 450, the curved roller 450 and the ninth drive 460 are both disposed on the mounting plate 420, the ninth drive 460 employs a drive motor, and the ninth drive 460 can drive the curved roller 450 to rotate. The coil stock is simultaneously around establishing curved roll 450, and curved roll 450's rotation direction is unanimous with the rolling of coil stock or unreels the direction, and curved roll 450 can stretch the coil stock, can eliminate the fold that the coil stock carried in overshooting simultaneously, has the effect of flat coil stock of exhibition.

Referring to fig. 2, in some embodiments of the present invention, a tension roller 102 and a floating roller 103 are further disposed on the rack 100 along a conveying path of the coil, the coil is wound around the tension roller 102 and the floating roller 103, the tension roller 102 is used for detecting a magnitude of tension, wherein the rack further includes a connecting seat, the floating roller 103 is disposed on the connecting seat, an air cylinder is disposed on the rack 100, a piston rod of the air cylinder is connected to the connecting seat, and the connecting seat is controlled by the air cylinder to move so as to drive the floating roller 103 to move together, so that tension shifting of the coil can be absorbed, and an effect of adjusting the tension is achieved.

In the description herein, references to the description of "some embodiments" 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.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. The utility model provides a receive unwinding device of coating machine, includes frame (100), its characterized in that still includes:

the turnover mechanism (200) comprises a turnover frame (210) and two groups of rolling cylinder fixing assemblies (220) symmetrically arranged on the turnover frame (210), wherein the turnover frame (210) is rotatably arranged on the rack (100), the turnover frame (210) can turn over and enables the two groups of rolling cylinder fixing assemblies (220) to exchange positions, and the rolling cylinder fixing assemblies (220) are used for fixing rolling cylinders;

the laminating and cutting mechanism (300) comprises a mounting frame (310), a first driving device (320), and a laminating assembly (330) and a cutter assembly (340) which are arranged on the mounting frame (310), wherein the mounting frame (310) is rotatably arranged on the rack (100), the first driving device (320) can drive the mounting frame (310) to rotate towards the winding barrel fixing assembly (220), the laminating assembly (330) is used for pressing the winding material of one winding barrel fixing assembly (220) towards the other winding barrel fixing assembly (220), and the cutter assembly (340) is used for cutting off the winding material;

an approach roller mechanism (400) arranged on the frame (100), wherein the approach roller mechanism (400) comprises an approach roller (410), and the approach roller (410) winds the coil and can move towards the coil fixing component (220);

the turnover mechanism (200), the pressing cutting mechanism (300) and the approach roller mechanism (400) are sequentially arranged along the conveying path of the coil stock.

2. A winding and unwinding device of a coating machine according to claim 1, wherein the pressing assembly (330) comprises:

the pressing roller (331), one end of the pressing roller (331) is provided with a first magnetic gear (332), and both ends of the pressing roller (331) are rotatably provided with connecting plates (333);

the second driving device (334) is arranged on the mounting frame (310), the output end of the second driving device (334) is provided with a second magnetic gear (335), the second magnetic gear (335) is magnetically connected with the first magnetic gear (332), and the second driving device (334) can drive the pressing roller (331) to rotate;

a third driving device (336) disposed on the mounting bracket (310), the third driving device (336) being connected to the connecting plate (333) and being capable of driving the connecting plate (333) and the pressing roller (331) toward the cartridge fixing assembly (220).

3. A depositing and rewinding device for a coating machine according to claim 1, characterized in that said cutter assembly (340) comprises:

the cutting knife (341) is movably arranged on the mounting rack (310);

a fourth driving device (342), wherein the fourth driving device (342) is connected with the cutting knife (341) and can drive the cutting knife (341) to rotate towards the winding drum fixing component (220).

4. The unwinding and winding device of coating machine according to claim 3, wherein the cutter assembly (340) further comprises a rotating shaft (343), a material passing roller (344) is rotatably disposed on the rotating shaft (343), the material passing roller (344) is used for abutting against the material, the rotating shaft (343) is rotatably disposed on the mounting frame (310), one side of the cutting knife (341) is fixed on the rotating shaft (343), a connecting rod (345) perpendicular to the rotating shaft (343) is disposed at the end of the rotating shaft (343), the fourth driving device (342) adopts a cylinder, the fourth driving device (342) is rotatably disposed on the mounting frame (310), and the output shaft of the fourth driving device (342) is hinged to the connecting rod (345).

5. The winding and unwinding device of a coating machine according to claim 1, wherein the roll-over stand (210) is provided with a first slide rail (211), and the winding cylinder fixing assembly (220) comprises:

the clamping unit comprises two groups which are oppositely arranged, the clamping unit comprises a mounting seat (221) and a collet (222) arranged on the mounting seat (221), a first sliding block (223) is arranged on the mounting seat (221), and the first sliding block (223) is connected with the first sliding rail (211) in a sliding manner;

and a fifth driving device (224) which can drive the two groups of clamping units to approach each other and clamp the winding barrel.

6. The unwinding and winding device of coating machine according to claim 5, wherein the clamping unit further comprises a sixth driving device (225), the sixth driving device (225) is disposed on the mounting seat (221) and can drive the collet (222) to rotate.

7. The unwinding and winding device of coating machine according to claim 1, wherein a second slide rail (101) is provided on the frame (100), and the approach roller mechanism (400) comprises:

the mounting plates (420) comprise two mounting plates arranged at intervals, the mounting plates (420) are provided with second sliding blocks (421), the two mounting plates (420) are connected with the second sliding rail (101) in a sliding mode through the second sliding blocks (421), and two ends of the approaching roller (410) are movably arranged on the mounting plates (420);

and the seventh driving device (430) is connected with the mounting plate (420), and the seventh driving device (430) can drive the mounting plate (420) and the approaching roller (410) to horizontally move to be close to or far away from the turnover mechanism (200).

8. The unwinding and winding device of a coating machine according to claim 7, wherein an eighth driving device (440) is disposed on the mounting plate (420), and the eighth driving device (440) is connected to the approaching roller (410) and can drive the approaching roller (410) to move horizontally and to approach or move away from the turning mechanism (200).

9. The unwinding and winding device of a coating machine according to claim 7, wherein said approach roller mechanism (400) further comprises a curved roller (450) and a ninth driving device (460) connected to said curved roller (450), said curved roller (450) and said ninth driving device (460) are both disposed on said mounting plate (420), and said ninth driving device (460) can drive said curved roller (450) to rotate.

10. The unwinding and winding device of a coating machine according to claim 1, wherein a tension roller (102) and a floating roller (103) for winding the web are further disposed on the frame (100) along the transport path of the web.