CN115846172A - Preparation process of novel thermal transfer ribbon for label - Google Patents

Preparation process of novel thermal transfer ribbon for label Download PDF

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Publication number
CN115846172A
CN115846172A CN202211633914.2A CN202211633914A CN115846172A CN 115846172 A CN115846172 A CN 115846172A CN 202211633914 A CN202211633914 A CN 202211633914A CN 115846172 A CN115846172 A CN 115846172A
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China
Prior art keywords
coating
base film
roller
thermal transfer
rotating shaft
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CN202211633914.2A
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Chinese (zh)
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CN115846172B (en
Inventor
喻伟伟
罗海翔
项志齐
赖肇昌
林咸旺
罗烨珍
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Fujian Mingyou New Material Technology Co ltd
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Fujian Mingyou New Material Technology Co ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

Abstract

The invention relates to the technical field of preparation of thermal transfer ribbon, in particular to a preparation process of a novel thermal transfer ribbon for a label, which uses a preparation device of the novel thermal transfer ribbon for the label, wherein the preparation device of the novel thermal transfer ribbon for the label comprises a bottom plate, a vertical plate and an execution unit; according to the invention, the functional layer coating is coated on the upper surface of the base film through the rotating roller, and the base film can be upwards supported by the abutting roller, so that the base film is prevented from being stretched and deformed under stress in the coating process, and the flatness of the functional layer is ensured.

Description

Preparation process of novel thermal transfer ribbon for label
Technical Field
The invention relates to the technical field of thermal transfer ribbon preparation, in particular to a preparation process of a novel thermal transfer ribbon for labels.
Background
When the thermal transfer ribbon is processed, a release layer, a functional layer or other high-density films are coated on one side of a base film, and then a resin coating is coated on the other side of the base film to prevent the abrasion and damage of a printing head,
the Chinese patent application with publication number CN 113442609A provides a technical scheme for preparation of a thermal transfer printing carbon ribbon, and discloses a thermal transfer printing resin-based carbon ribbon and a preparation method thereof, wherein the working principle is as follows: firstly paving a PET (polyethylene terephthalate) substrate, secondly coating an organic silicon resin coating on the back of the PET substrate in sequence by a mesh roller reverse coating process, then coating a cellulose acetate butyrate coating on the front of the PET substrate to form a release layer, and finally coating ethylene-vinyl acetate resin ink on the outer side of the release layer to form a functional layer.
However, the above patents have the following problems: 1. the above-mentioned patent need coat the release layer of substrate and the resin material at its back in proper order to unnecessary process has been increased, and above-mentioned patent can only carry out coating process to a slice PET substrate at every turn, and machining efficiency is lower, and in addition, the resin coating completion on the substrate back can't obtain the plastic, thereby can't ensure resin coating's roughness.
2. The above patent does not relate to the upward support to the substrate when processing to the coating of substrate, therefore the substrate easily takes place to buckle under the extrusion of net roller, and causes the tensile deformation of substrate easily, and then can't ensure the roughness of resin coating, release layer and functional layer to influence the coating effect.
Disclosure of Invention
In order to solve the problems, the invention provides a preparation process of a novel thermal transfer ribbon for a label, which uses a preparation device of the novel thermal transfer ribbon for the label, the preparation device of the novel thermal transfer ribbon for the label comprises a bottom plate, vertical plates and an execution unit, wherein the upper end of the bottom plate is symmetrically provided with the two vertical plates in front and back, and the execution unit is arranged between the two vertical plates.
The execution unit comprises a conveying roller, the opposite side bilateral symmetry of the vertical plate is provided with two transmission groups, each transmission group comprises a conveying roller and a matching roller which are arranged in an up-down symmetry mode, the rear ends of the conveying roller and the matching roller which are arranged on the same side of the vertical plate are respectively provided with a meshed gear in a sleeved mode, the conveying roller and the matching roller are connected in a belt transmission mode, the front end of the vertical plate on the front side of the bottom plate is provided with a driving motor connected with the conveying roller through a motor base, the opposite side of the vertical plate is further provided with a primary coating assembly, a supporting coating assembly, a cleaning assembly, a drying assembly and a secondary coating assembly, the supporting coating assembly is located below the rotating shaft, the cleaning assembly is located on the left side of the rotating shaft, and the secondary coating assembly and the drying assembly are located on the right side of the rotating shaft.
When the novel thermal transfer ribbon preparation device for labels is used for preparing the thermal transfer ribbon, the preparation method comprises the following steps:
s1, conveying a base film: the base film is conveyed to the right by an execution unit.
S2, coating a release layer: coating a release layer on the upper surface of the base film through an execution unit, coating a resin coating on the lower surface of the base film, and drying the coated base film.
S3, coating of a functional layer: and coating a functional layer on the upper surface of the base film through an execution unit, and drying the coated base film to finish the preparation of the novel thermal transfer ribbon.
S4, taking down a carbon ribbon: and taking out the coated carbon ribbon, and then putting the carbon ribbon into the subsequent process so as to be conveniently cut and rolled.
As a preferred technical scheme, the primary coating assembly comprises a rotating shaft, the left side of the opposite side of a vertical plate is rotatably connected with the rotating shaft, the rotating shaft is connected with a matching roller through belt transmission, a plurality of telescopic spring rods are uniformly arranged on the outer wall of the rotating shaft from front to back and in the circumferential direction through a rectangular sleeve, one ends, far away from the rotating shaft, of the plurality of telescopic spring rods positioned on the same side of the rectangular sleeve are jointly and rotatably connected with the coating roller, a feeding chamber is arranged on the opposite side of the vertical plate and above the rotating shaft, a feeding hole is formed in the upper end of the feeding chamber, an opening is formed in the bottom of the feeding chamber, a sponge pad and a filter screen are arranged on the inner bottom wall of the feeding chamber, the sponge pad is communicated with the outside through the opening, and the filter screen is positioned outside the sponge pad.
As a preferable technical scheme, the cleaning assembly comprises an L-shaped plate, the L-shaped plate is arranged on the opposite side of the vertical plate and on the left side of the rotating shaft, a guide plate is arranged at the right end of the horizontal section of the L-shaped plate, a blanking port is formed in the lower end of the horizontal section of the L-shaped plate, a collecting hopper is arranged at the bottom of the blanking port, a plurality of guide sliding chutes are formed in the vertical section of the L-shaped plate at equal intervals from top to bottom, sliding rods are connected in the guide sliding chutes in a sliding mode, a plurality of scraping plates are arranged on the right side wall of each sliding rod after penetrating through the corresponding guide sliding chute at equal intervals along the length direction of the corresponding sliding chute, a positioning strip is arranged on the front side of the left end of the L-shaped plate, and an extrusion spring is arranged between the front end of each sliding rod and the rear side wall of each positioning strip.
As a preferable technical scheme, the cleaning assembly further comprises a connecting plate, the connecting plate is arranged on the rear side of the left end of the L-shaped plate, the front end of the connecting plate is connected with two supporting shafts in a vertically symmetrical and rotating mode, the rear end of the supporting shaft on the lower side of the connecting plate penetrates through the connecting plate and the vertical plate and then is connected with the conveying roller through belt transmission, a second belt is sleeved between the two supporting shafts and is in sliding contact with the front side wall of the connecting plate, a plurality of protrusions are uniformly arranged on the front end of the second belt in the circumferential direction, and a semicircular block in sliding contact with the protrusions is arranged on the rear end of the sliding rod.
As a preferable technical scheme, the secondary coating assembly comprises a storage chamber, the storage chamber is arranged on the opposite side of a vertical plate and located on the right side of a rotating shaft, a feeding port is formed in the upper end of the storage chamber, a plurality of feeding ports are formed in the lower end of the storage chamber at equal intervals from left to right, a rotating roller is rotatably connected to the bottom of each feeding port, a bearing plate is mounted on the opposite side of the vertical plate and located below the storage chamber, and a plurality of contact rollers corresponding to the rotating roller in position are rotatably connected to the upper end of the bearing plate at equal intervals from left to right.
According to a preferred technical scheme, the drying assembly comprises a circular frame, two circular frames are symmetrically arranged on the opposite sides of a vertical plate and on the left and right of a storage chamber, two air storage cavities are symmetrically formed in the circular frame in the vertical direction, an air pump is mounted at the front end of the vertical plate on the front side of a bottom plate through a supporting seat, air supply pipes are arranged on the left and right sides of the air pump, the air supply pipes penetrate through the vertical plate and the circular frame and extend into the air storage cavities, a plurality of exhaust pipes arranged in a matrix are arranged on the inner walls of the upper side and the lower side of the circular frame and are communicated with the air storage cavities, two mounting plates are symmetrically arranged on the inner walls of the upper side and the lower side of the circular frame in the left and right direction, and electric heating nets are arranged on the bottoms of the two mounting plates on the upper side of the circular frame and the tops of the two mounting plates on the lower side of the circular frame.
As a preferred technical scheme of the invention, the supporting and smearing assembly comprises a fixed seat, the fixed seat is installed on the opposite side of the vertical plate and below the rotating shaft, a cavity is formed in the upper end of the fixed seat, a feed inlet penetrating through the vertical plate is formed in the front end of the cavity, two linkage shafts are symmetrically connected between the front side wall and the rear side wall of the cavity in a left-right rotating mode, the linkage shaft on the left side of the cavity is connected with a conveying roller on the left side of the cavity in a belt transmission mode, a first belt is sleeved on the outer wall of the two linkage shafts together, and a plurality of dip-dyeing strips are evenly arranged on the outer wall of the first belt in the circumferential direction.
As a preferred technical scheme of the invention, a plurality of top extension springs are arranged on the inner bottom wall of the cavity in a matrix arrangement mode, the upper ends of the top extension springs are jointly provided with a top plate, and the top plate is in sliding connection with the inner side wall of the cavity.
The invention has the beneficial effects that: 1. according to the invention, through the cooperation of the primary coating assembly, the supporting coating assembly, the secondary coating assembly and the drying assembly, the release layer and the functional layer can be coated on the upper surface of the base film while the base film is conveyed, the resin coating is coated on the lower surface of the base film, and then the base film is dried, so that the base film can be coated at one time, the working efficiency is high, and the coating effect is good.
2. The primary coating assembly provided by the invention drives the coating rollers to rotate through the rotating shaft, so that the coating rollers extrude the release layer coating from the bottom of the sponge mat and coat the release layer coating on the upper surface of the base film, and the release layer coating is continuously coated on the upper surface of the base film through the coating rollers.
3. The supporting and coating assembly provided by the invention coats the base film with the release layer coating, simultaneously coats the resin coating on the lower surface of the base film through the first belt to drive the dip-dyeing strips to coat the resin coating on the lower surface of the base film, the resin coating on the lower surface of the base film can be scraped flat through the dip-dyeing strips to ensure the flatness of the resin coating, and the base film can be upwards supported through the plurality of dip-dyeing strips, so that the base film cannot be bent when being coated with the release layer and the resin coating to ensure the flatness of the release layer and the resin coating.
4. The cleaning assembly provided by the invention can scrape redundant release layer coating on the surface of the coating roller through the scraper blade which moves back and forth in a reciprocating manner, so that the cleanness degree of the surface of the coating roller is ensured, and the influence of residual coating residues on the surface of the coating roller on the subsequent coating effect of the base film is avoided.
5. According to the secondary coating assembly, the functional layer coating is coated on the upper surface of the base film through the rotating roller, the base film can be upwards supported through the abutting roller, the base film is prevented from being stretched and deformed due to stress in the coating process, and in addition, the abutting roller can extrude and shape the resin coating on the lower surface of the base film, so that the flatness of the resin coating is ensured.
6. According to the invention, the release layer coating can be filtered through the filter screen, so that particles or impurities in the release layer coating are prevented from being immersed into the sponge pad, the purity of the release layer coating is ensured, and further, the release layer coating smeared on the upper surface of the base film is prevented from containing impurities.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a process flow diagram of the present invention.
Fig. 2 is a schematic view of a first three-dimensional structure of the present invention.
Fig. 3 is a second perspective view of the present invention.
FIG. 4 is a partial cutaway view of the primary application assembly and the support application assembly of the present invention.
Figure 5 is a schematic view of a first perspective view of the cleaning assembly of the present invention.
Figure 6 is a schematic view of a second perspective view of the cleaning assembly of the present invention.
Fig. 7 is a cross-sectional view (from front to back) of the present invention.
Fig. 8 is a partial enlarged view of fig. 7 a of the present invention.
FIG. 9 is a schematic view of the connection of the delivery roll, mating roll, spindle, linkage shaft and support shaft of the present invention.
FIG. 10 is a partial cutaway view of a secondary coating assembly of the present invention.
Fig. 11 is a partial cutaway view of the drying assembly of the present invention.
In the figure: 1. a base plate; 2. a vertical plate; 3. an execution unit; 31. a conveying roller; 32. a mating roller; 33. a drive motor; 34. a primary coating assembly; 341. a rotating shaft; 342. a rectangular sleeve; 343. a telescopic spring rod; 344. a coating roll; 345. a feeding chamber; 346. a sponge cushion; 347. filtering with a screen; 35. supporting the application assembly; 351. a fixed seat; 352. a cavity; 353. a linkage shaft; 354. a first belt; 355. dip dyeing the strips; 356. a jack-out spring; 357. a top plate; 36. a cleaning assembly; 361. an L-shaped plate; 362. a guide chute; 363. a slide bar; 364. a squeegee; 365. a positioning bar; 366. extruding the spring; 367. a connecting plate; 368. a support shaft; 369. a second belt; 360. a protrusion; 37. a secondary coating assembly; 371. a storage chamber; 372. a feed opening; 373. a rotating roller; 374. a bearing plate; 375. a touch roller; 38. a drying assembly; 381. a shape-returning frame; 382. a gas storage cavity; 383. an air pump; 384. an air supply pipe; 385. an exhaust pipe; 386. mounting a plate; 387. an electric heating net.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below by combining the specific drawings. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
Referring to fig. 2, a preparation process of a novel thermal transfer ribbon for a label uses a preparation apparatus of the novel thermal transfer ribbon for the label, the preparation apparatus of the novel thermal transfer ribbon for the label comprises a bottom plate 1, vertical plates 2 and an execution unit 3, the two vertical plates 2 are symmetrically arranged in front and back of the upper end of the bottom plate 1, and the execution unit 3 is arranged between the two vertical plates 2.
Referring to fig. 2, 3 and 7, the execution unit 3 includes a conveying roller 31, two transmission sets are symmetrically arranged on the opposite sides of the vertical plate 2 from left to right, each transmission set includes a conveying roller 31 and a matching roller 32 which are symmetrically arranged from top to bottom, the rear ends of the conveying roller 31 and the matching roller 32 on the same side of the vertical plate 2 are both sleeved with meshed gears, the conveying rollers 31 and the matching rollers 32 are connected through belt transmission, the two conveying rollers 31 on the left and right of the vertical plate 2 and the two matching rollers 32 on the left and right of the vertical plate 2 are synchronously rotated through the belt transmission connection, the front end of the vertical plate 2 on the front side of the bottom plate 1 is provided with a driving motor 33 connected with the conveying roller 31 through a motor base, the opposite sides of the vertical plate 2 are further provided with a primary coating assembly 34, a supporting and coating assembly 35, a cleaning assembly 36, a drying assembly 38 and a secondary coating assembly 37, the supporting and coating assembly 35 are located below the rotating shaft 341, the cleaning assembly 36 is located on the left side of the rotating shaft 341, and the secondary coating assembly 37 and the drying assembly 38 are located on the right side of the rotating shaft 341; during operation, at first insert the base film of waiting to coat between the left conveying roller 31 of riser 2 and the cooperation roller 32, then pass the base film from left to right in proper order between primary coating subassembly 34 and the support coating subassembly 35, secondary coating subassembly 37, between conveying roller 31 and the cooperation roller 32 on drying assembly 38 and riser 2 right side, start driving motor 33 afterwards, driving motor 33 drives conveying roller 31 anticlockwise rotation, conveying roller 31 passes through the gear and drives cooperation roller 32 clockwise turning, thereby carry the base film from left to right through conveying roller 31 and cooperation roller 32, so that carry out coating treatment to it.
Referring to fig. 3, 4 and 9, the primary coating assembly 34 includes a rotating shaft 341, the left side of the opposite side of the vertical plate 2 is rotatably connected with the rotating shaft 341, the rotating shaft 341 is connected with the matching roller 32 through a belt transmission, the outer wall of the rotating shaft 341 is uniformly provided with a plurality of telescopic spring rods 343 from front to back and circumferentially through a rectangular sleeve 342, one ends of the plurality of telescopic spring rods 343 far away from the rotating shaft 341, which are located at the same side of the rectangular sleeve 342, are jointly rotatably connected with a coating roller 344, the telescopic spring rods 343 always apply a pushing force pointing to the coating roller 344 and far away from one side of the rotating shaft 341, a feeding chamber 345 is installed at the opposite side of the vertical plate 2 and above the rotating shaft 341, the upper end of the feeding chamber 345 is provided with a feeding port, the bottom of the feeding chamber 345 is provided with an opening, and a sponge pad 346 and a filter screen 347 are installed on the inner bottom wall of the feeding chamber 345, the sponge pad 346 is communicated with the outside through the opening, and the filter screen 347 is located outside of the sponge pad 346.
Continuing to refer to fig. 3, fig. 4 and fig. 9, the supporting and smearing assembly 35 includes a fixing seat 351, the fixing seat 351 is installed on the opposite side of the vertical plate 2 and below the rotating shaft 341, a cavity 352 is formed in the upper end of the fixing seat 351, a feed inlet penetrating through the vertical plate 2 is formed in the front end of the cavity 352, two linkage shafts 353 are symmetrically connected between the front side wall and the rear side wall of the cavity 352 in a left-right rotating mode, the linkage shafts 353 on the left side of the cavity 352 are connected with the conveying rollers 31 on the left side of the cavity 352 in a belt transmission mode, a first belt 354 is sleeved on the outer wall of the two linkage shafts 353, a plurality of dip-dyeing strips 355 are uniformly arranged on the outer wall of the first belt 354 in the circumferential direction, a plurality of ejection springs 356 are arranged on the inner bottom wall of the cavity 352 in a matrix mode, a top plate 357 is installed on the upper ends of the plurality of the ejection springs 356, the top plate 357 is slidably connected with the cavity 352, and the ejection springs 356 always exert upward pushing force on the inner side wall 357.
During operation, firstly, release layer coating is injected into the feeding chamber 345 through the opening, then the release layer coating is immersed into the sponge pad 346, secondly, resin coating is injected into the cavity 352 through the feeding port, during the period, the release layer coating can be filtered through the filter screen 347, particulate matters or impurities in the release layer coating are prevented from being immersed into the sponge pad 346, so that the purity of the release layer coating is ensured, further, the release layer coating coated on the upper surface of the base film is prevented from containing impurities, the rotating shaft 341 rotates clockwise under the action of the matching roller 32 on the left side of the vertical plate 2, the rotating roller 373 drives the coating roller 344 to move circumferentially through the rectangular sleeve 342 and the telescopic spring rod 343, when the coating roller 344 displaces to the upper side of the rotating shaft 341, the coating roller 344 rotates under the action of the telescopic spring rod 343 to abut against the bottom of the sponge pad 346 and apply extrusion force to the coating roller, therefore, the release layer coating inside the sponge pad 346 is extruded and coated on the outer wall of the coating roller 344, the coating roller 344 is in rolling contact with the bottom of the sponge pad 346, the outer wall of the coating roller 344 can be uniformly coated with the release layer coating while the coating roller 344 rotates, then the coating roller 344 moves to the position below the rotating shaft 341, the coating roller 344 rotates under the action of the telescopic spring rod 343 to abut against the upper surface of the base film, the release layer coating on the surface of the coating roller 344 is uniformly coated on the upper surface of the base film, the release layer coating is continuously coated on the upper surface of the base film through the plurality of coating rollers 344, and the rotation direction of the coating roller 344 is opposite to the moving direction of the base film, so that the coating roller 344 can completely coat the release layer coating on the outer wall of the coating roller on the upper surface of the base film, and the uniformity of the release layer coating can be ensured.
During this time, the linkage 353 rotates counterclockwise along with the conveying roller 31 on the left side of the vertical plate 2, the linkage 353 drives the dip dyeing bar 355 to rotate counterclockwise through the first belt 354, the dip dyeing bar 355 dips the resin paint inside the cavity 352 when being displaced below the first belt 354, so as to dip the resin paint into the dip dyeing bar 355, and then the dip dyeing bar 355 is displaced above the first belt 354 and coats the resin paint on the lower surface of the base film, since the rotation of the dip dyeing bar 355 is opposite to the moving direction of the base film, the dip dyeing bar 355 and the lower surface of the base film generate friction, so as to facilitate the leveling of the resin paint on the lower surface of the base film, so as to ensure the flatness of the resin paint, and the dip dyeing bar 355 can exert an upward supporting action on the base film, so that the base film is not bent when the top film and the resin paint are coated, in order to ensure the flatness of the base film and the resin paint, and in addition, the dip dyeing bar 355 applies the resin paint on the lower surface of the base film, so that the resin paint on the upper end of the top film is continuously consumed, so that the top film is continuously pressed against the upper end of the first belt 356, so that the resin paint is automatically pushed onto the upper end of the top film 354 and the top resin paint is always pressed against the top resin paint of the top film by the top film 355; the release layer coating on the upper surface of the base film and the resin coating on the lower surface thereof are then subjected to a drying process by a drying assembly 38.
Referring to fig. 5, 6, 8 and 9, the cleaning assembly 36 includes an L-shaped plate 361, the L-shaped plate 361 is installed on the opposite side of the vertical plate 2 and on the left side of the rotating shaft 341, a guide plate is installed at the right end of the horizontal section of the L-shaped plate 361, a blanking port is opened at the lower end of the horizontal section of the L-shaped plate 361, a collecting hopper is installed at the bottom of the blanking port, a plurality of guide chutes 362 are opened at equal intervals from top to bottom in the vertical section of the L-shaped plate 361, slide bars 363 are slidably connected in the guide chutes 362, a plurality of scrapers 364 are installed at equal intervals along the length direction of the right side wall of the slide bar 363 after passing through the guide chutes 362, the distance between the scrapers 364 and the rotating shaft 341 is smaller than the distance between the coating roller 344 and the rotating shaft 341, so that when the coating roller 344 displaces to the left side of the rotating shaft 341, the coating roller 344 abuts against the scrapes 364, a positioning bar 365 is installed at the front side of the left end of the L-shaped plate 361, an extrusion spring 366 is installed between the front end of the slide bar 363 and the rear side of the positioning bar 365, and the extrusion spring 366 always applies an extrusion force directed to the rear side of the slide bar 363; the cleaning component 36 further comprises a connecting plate 367, a connecting plate 367 is arranged on the rear side of the left end of the L-shaped plate 361, two supporting shafts 368 are connected to the front end of the connecting plate 367 in a vertically symmetrical mode, the rear end of each supporting shaft 368 on the lower side of the connecting plate 367 penetrates through the connecting plate 367 and the vertical plate 2 and then is connected with the conveying roller 31 in a belt transmission mode, a second belt 369 is sleeved between the two supporting shafts 368, the second belt 369 is in sliding contact with the front side wall of the connecting plate 367, a plurality of protrusions 360 are evenly arranged on the front end of the second belt 369 in the circumferential direction, and a semicircular block in sliding contact with the protrusions 360 is arranged at the rear end of the sliding rod 363; in this embodiment, when the rotating shaft 341 rotates the applying roller 344 to the left, the guiding plate can guide the applying roller 344, so that the applying roller 344 can smoothly move to the right of the scraper 364.
When the coating device works, the supporting shaft 368 drives the second belt 369 to rotate anticlockwise under the action of the conveying roller 31 on the left side of the vertical plate 2, the second belt 369 drives the semicircular block to move, when the semicircular block abuts against the protrusion 360, the protrusion 360 drives the sliding rod 363 to move towards the front side under the pushing force of the semicircular block, when the semicircular block is separated from the protrusion 360, the pushing force on the protrusion 360 is relieved, at the moment, the sliding rod 363 moves towards the rear side under the action of the extrusion spring 366, so that the sliding rod 363 drives the scraper 364 to reciprocate back and forth, when the coating roller 344 abuts against the scraper 364, the redundant release layer coating on the surface of the coating roller 344 can be scraped through the scraper 364, the coating roller 344 still performs circumferential motion when abutting against the right side of the scraper 364, so that the coating roller 344 can rotate, the coating on the surface of the coating roller 344 can be completely scraped through the plurality of scrapers 364, the cleaning degree of the surface of the coating roller 344 is ensured, the residual coating on the subsequent coating effect on the subsequent coating 344 is avoided, the coating on the surface of the coating roller 344, the coating can fall into a certain amount of residues in a hopper, and the residues can be collected, and the residues in the coating hopper, and the coating is collected in the hopper, and the coating of the coating roller 344, and the residues can be discharged by the residues.
Referring to fig. 7 and 10, the secondary coating assembly 37 includes a storage chamber 371, the storage chamber 371 is disposed on the opposite side of the vertical plate 2 and on the right side of the rotating shaft 341, a feeding port is disposed at the upper end of the storage chamber 371, a plurality of feeding ports 372 are disposed at the lower end of the storage chamber 371 at equal intervals from left to right, the bottom of the feeding ports 372 is rotatably connected with a rotating roller 373, a supporting plate 374 is mounted on the opposite side of the vertical plate 2 and below the storage chamber 371, and a plurality of collision rollers 375 corresponding to the rotating roller 373 are rotatably connected at equal intervals from left to right to the upper end of the supporting plate 374; during operation, at first pour functional layer coating into storage compartment 371 through the sprue in, functional layer coating soaks on live-rollers 373 surface through feed opening 372 afterwards, when the base film passes between live-rollers 373 and conflict roller 375 and moves right, live-rollers 373 and conflict roller 375 all rotate right under the effect of base film to live-rollers 373 coats the functional layer coating on its surface at the base film upper surface, during this period, can upwards support the base film through the conflict roller 375, prevent that the base film from taking place tensile deformation at coating in-process atress, in addition, the conflict roller 375 can extrude the plastic to the resin coating of base film lower surface, in order to ensure resin coating's roughness.
Referring to fig. 7 and 11, the drying assembly 38 includes a rectangular frame 381, two rectangular frames 381 are symmetrically arranged on opposite sides of the vertical plate 2 and on the left and right of the material storage chamber 371, two air storage cavities 382 are symmetrically arranged on the inside of the rectangular frame 381 in the up-down direction, an air pump 383 is installed at the front end of the vertical plate 2 on the front side of the bottom plate 1 through a support seat, air supply pipes 384 are respectively arranged on the left and right sides of the air pump 383, the air supply pipes 384 extend into the air storage cavities 382 after penetrating through the vertical plate 2 and the rectangular frame 381, a plurality of exhaust pipes 385 arranged in a matrix are respectively arranged on the inner walls on the upper and lower sides of the rectangular frame 381, the exhaust pipes 385 are communicated with the air storage cavities 382, two mounting plates 386 are symmetrically arranged on the left and right of the inner walls on the upper and lower sides of the rectangular frame 381, and electric heating nets 387 are respectively arranged on the bottoms of the two mounting plates 386 on the upper side of the rectangular frame 381 and the tops of the two mounting plates 386; during operation, at first start air pump 383 and electric heating net 387, air pump 383 carries the air to the gas storage cavity 382 in through blast pipe 384, and the air is spout to the one side that is close to the base film through blast pipe 385 afterwards, and during this period, can heat the stoving to the coating of base film upper surface and lower surface through electric heating net 387, and can spray the hot gas flow on the upper and lower surface of base film through air pump 383 spun air to carry out hot-blast drying to the coating of base film upper and lower surface, in order to accelerate the stoving speed.
When the novel thermal transfer ribbon preparation device for labels is used for preparing the thermal transfer ribbon, the preparation method comprises the following steps:
s1, conveying a base film: firstly, the base film to be coated is inserted between the conveying roller 31 and the matching roller 32 on the left side of the vertical plate 2, then the base film sequentially passes through the primary coating assembly 34 and the supporting coating assembly 35 from left to right, the secondary coating assembly 37, the drying assembly 38 and the conveying roller 31 and the matching roller 32 on the right side of the vertical plate 2, then the conveying roller 31 is driven to rotate anticlockwise through the driving motor 33, the conveying roller 31 drives the matching roller 32 to rotate clockwise through a gear, therefore, the base film is conveyed from left to right through the conveying roller 31 and the matching roller 32, and the coating treatment is conveniently carried out on the base film.
S2, coating of a release layer: injecting a release layer coating into the upper material chamber 345 through the opening, immersing the release layer coating into the sponge pad 346, injecting a resin coating into the cavity 352 through the feed inlet, driving the rectangular sleeve 342, the telescopic spring rod 343 and the coating roller 344 to rotate clockwise by the rotating shaft 341 under the action of the matching roller 32 on the left side of the vertical plate 2, when the coating roller 344 is displaced above the rotating shaft 341, the coating roller 344 rotates to abut against the bottom of the sponge pad 346 and extrude the release layer coating inside the coating roller 344 on the outer wall of the coating roller 344, then the coating roller 344 is displaced below the rotating shaft 341 and rotates to abut against the upper surface of the base film, thereby uniformly coating the release layer coating on the surface of the coating roller 344 on the upper surface of the base film, during the period, the linkage shaft drives the first belt 354 and the dip strip 355 to rotate counterclockwise under the action of the conveying roller 31 on the left side of the vertical plate 2, when the dip strip 355 is displaced below the first belt 354, dipping strip 355 dips the resin coating inside the cavity 352, then the dip strip 355 moves to rub the lower surface of the base film 355, thereby generating a smooth surface of the base film due to the resin coating; the base film is hot air dried by the drying assembly 38 as it passes through the return frame 381.
Support shaft 368 drives second belt 369 anticlockwise rotation under riser 2 left side conveying roller 31's effect, second belt 369 drives the semicircle piece and removes, cooperation through between semicircle piece and arch 360 and the extrusion spring 366 can make slide bar 363 drive scraper blade 364 reciprocating motion all around, when coating roller 344 and scraper blade 364 are inconsistent, can scrape off the unnecessary from the type layer coating in coating roller 344 surface through scraper blade 364, coating residue will drop in the collection fill through the blanking mouth afterwards, when the coating residue in the collection fill reaches a certain amount, take it down and pour out its inside coating residue can.
S3, coating of a functional layer: firstly, functional layer coating is poured into the material storage chamber 371 through a material injection port, then the functional layer coating is soaked on the surface of the rotating roller 373 through the material discharge port 372, when the base film passes through the space between the rotating roller 373 and the touch roller 375 and moves rightwards, the rotating roller 373 and the touch roller 375 rotate rightwards under the action of the base film, so that the rotating roller 373 coats the functional layer coating on the surface of the base film on the upper surface of the base film, and the base film can be upwards supported through the touch roller 375 to prevent the base film from being stretched and deformed under the stress in the coating process; the base film then passes through a return frame 381, and is hot-air dried by a drying assembly 38, thereby completing the preparation of the novel thermal transfer ribbon.
S4, taking down a carbon ribbon: the processed carbon ribbon is taken out from the space between the conveying roller 31 and the matching roller 32 on the right side of the vertical plate 2 and then put into the subsequent process so as to be cut and rolled.
The foregoing illustrates and describes the principles, general features, and advantages of the present 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 given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (8)

1. The utility model provides a preparation technology of new heat transfer carbon ribbon for label, it has used a preparation facilities of new heat transfer carbon ribbon for label, and this preparation facilities of new heat transfer carbon ribbon for label includes bottom plate (1), riser (2), execution unit (3), its characterized in that: two vertical plates (2) are symmetrically arranged at the front and the back of the upper end of the bottom plate (1), and an execution unit (3) is arranged between the two vertical plates (2);
the execution unit (3) comprises conveying rollers (31), two transmission groups are symmetrically arranged on the left and right of the opposite sides of the vertical plate (2), each transmission group comprises the conveying rollers (31) and the matching rollers (32) which are symmetrically arranged up and down, the rear ends of the conveying rollers (31) and the matching rollers (32) on the same side of the vertical plate (2) are respectively sleeved with a gear which is meshed with each other, the conveying rollers (31) and the matching rollers (32) are connected through belt transmission, the front end of the vertical plate (2) on the front side of the base plate (1) is provided with a driving motor (33) connected with the conveying rollers (31) through a motor base, the opposite side of the vertical plate (2) is further provided with a primary coating assembly (34), a supporting and coating assembly (35), a cleaning assembly (36), a drying assembly (38) and a secondary coating assembly (37), the supporting and coating assembly (35) is positioned below the rotating shaft (341), the cleaning assembly (36) is positioned on the left side of the rotating shaft (341), and the secondary coating assembly (37) and the drying assembly (38) is positioned on the right side of the rotating shaft (341);
when the novel thermal transfer ribbon preparation device for labels is used for preparing the thermal transfer ribbon, the preparation method comprises the following steps:
s1, conveying a base film: conveying the base film to the right through an execution unit (3);
s2, coating of a release layer: coating a release layer on the upper surface of the base film through an execution unit (3), coating resin paint on the lower surface of the base film, and drying the coated base film;
s3, coating of a functional layer: coating a functional layer on the upper surface of the base film through an execution unit (3), and drying the coated base film to finish the preparation of the novel thermal transfer printing carbon ribbon;
s4, taking down a carbon ribbon: and taking out the coated carbon ribbon, and then putting the carbon ribbon into the subsequent process so as to be conveniently cut and rolled.
2. The process for preparing a novel thermal transfer ribbon for labels as claimed in claim 1, wherein: the primary coating assembly (34) comprises a rotating shaft (341), the left side of the opposite side of the vertical plate (2) is rotatably connected with the rotating shaft (341), the rotating shaft (341) is connected with the matching roller (32) through belt transmission, the outer wall of the rotating shaft (341) is uniformly provided with a plurality of telescopic spring rods (343) from front to back through a rectangular sleeve (342) in the circumferential direction, one ends, far away from the rotating shaft (341), of the plurality of telescopic spring rods (343) positioned on the same side of the rectangular sleeve (342) are rotatably connected with a coating roller (344) together, the opposite side of the vertical plate (2) is positioned above the rotating shaft (341) and provided with a feeding chamber (345), the upper end of the feeding chamber (345) is provided with a feeding hole, the bottom of the feeding chamber (345) is provided with an opening, a sponge pad (346) and a filter screen (347) are installed on the inner bottom wall of the feeding chamber (345), the sponge pad (346) is communicated with the outside through the opening, and the filter screen (347) is positioned outside of the sponge pad (346).
3. The process for preparing a novel thermal transfer ribbon for labels as claimed in claim 1, wherein: cleaning element (36) includes L shaped plate (361), L shaped plate (361) are installed to the opposite side of perpendicular board (2) and the left side that is located pivot (341), the horizontal segment right-hand member of L shaped plate (361) is provided with the guide board, the blanking mouth has been seted up to the horizontal segment lower extreme of L shaped plate (361), the collection fill is installed to the blanking mouth bottom, and a plurality of direction spout (362) have been seted up to the vertical section from the top down equidistance of L shaped plate (361), sliding connection has slide bar (363) in direction spout (362), the right side wall of slide bar (363) passes behind direction spout (362) and is provided with a plurality of scrapers (364) along its length direction equidistance, location strip (365) are installed to the front side of L shaped plate (361) left end, be provided with between the front end of slide bar (363) and the back side wall of location strip (365) and extrude spring (366).
4. The process for preparing a novel thermal transfer ribbon for labels as claimed in claim 3, wherein: cleaning element (36) still include connecting plate (367), the rear side of L shaped plate (361) left end is provided with connecting plate (367), the symmetry is rotated about connecting plate (367) front end is connected with two back shafts (368), back shaft (368) rear end of connecting plate (367) downside passes behind connecting plate (367) and riser (2) and is connected through the belt drive between conveying roller (31), the cover is equipped with second belt (369) between two back shafts (368), second belt (369) sliding conflict is at the preceding lateral wall of connecting plate (367), and the front end circumference of second belt (369) evenly is provided with a plurality of archs (360), the rear end of slide bar (363) is provided with the semicircle piece of sliding conflict with archs (360).
5. The process for preparing a novel thermal transfer ribbon for labels as claimed in claim 1, wherein: secondary coating unit (37) includes storage compartment (371), the opposite side of riser (2) and the right side that is located pivot (341) are provided with storage compartment (371), the sprue has been seted up to storage compartment (371) upper end, a plurality of feed openings (372) have from left to right been seted up equidistant to storage compartment (371) lower extreme, feed opening (372) bottom is rotated and is connected with live-rollers (373), riser (2) opposite side just is located storage compartment (371) below and installs bearing board (374), bearing board (374) upper end from left to right equidistant rotates and is connected with a plurality ofly and live-rollers (373) position corresponding conflict roller (375).
6. The process for preparing the novel thermal transfer ribbon for labels as claimed in claim 5, wherein: drying assembly (38) are including returning the type frame, the opposite side of erecting board (2) and being provided with two returning the type frame about storage compartment (371) bilateral symmetry, return the inside longitudinal symmetry of type frame and seted up two air storage cavity (382), air pump (383) are installed through the supporting seat to the upright board (2) front end of bottom plate (1) front side, air pump (383) all are provided with blast pipe (384) in the left and right sides of air pump (383), blast pipe (384) pass and erect inside extending to air storage cavity (382) behind board (2) and the returning the type frame, the upper and lower both sides inner wall of returning the type frame all is provided with a plurality of blast pipes (385) that are the matrix and arrange, blast pipe (385) are linked together with air storage cavity (382), and the equal bilateral symmetry of upper and lower both sides inner wall of returning the type frame is provided with two mounting panels (386), two mounting panels (386) bottoms of returning type frame upside and two mounting panels (386) tops of returning type frame downside all are provided with electric heating net (387).
7. The process for preparing a novel thermal transfer ribbon for labels as claimed in claim 2, wherein: the supporting and smearing assembly (35) comprises a fixing seat (351), the opposite sides of the vertical plates (2) are located below the rotating shaft (341) and are provided with the fixing seat (351), the upper end of the fixing seat (351) is provided with a cavity (352), the front end of the cavity (352) is provided with a feeding hole penetrating through the vertical plates (2), the cavity (352) is connected with two linkage shafts (353) in a rotating mode in a bilateral symmetry mode between the front side wall and the rear side wall, the cavity (352) is connected with the left conveying roller (31) through belt transmission, the outer walls of the two linkage shafts (353) are jointly sleeved with a first belt (354), and a plurality of dip-dyeing strips (355) are evenly arranged on the outer wall of the first belt (354) in the circumferential direction.
8. The process for preparing a novel thermal transfer ribbon for labels as claimed in claim 7, wherein: the utility model discloses a cavity (352) inner wall is provided with a plurality of top extension springs (356) that the diapire is the mode of matrix arrangement, and roof (357) are installed jointly to the upper end of a plurality of top extension springs (356), and roof (357) and cavity (352) inside wall sliding connection.
CN202211633914.2A 2022-12-19 2022-12-19 Preparation process of novel thermal transfer printing carbon belt for labels Active CN115846172B (en)

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