CN113620093B - Tension adjusting device for polarizing film feeding - Google Patents
Tension adjusting device for polarizing film feeding Download PDFInfo
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- CN113620093B CN113620093B CN202110736878.1A CN202110736878A CN113620093B CN 113620093 B CN113620093 B CN 113620093B CN 202110736878 A CN202110736878 A CN 202110736878A CN 113620093 B CN113620093 B CN 113620093B
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- counterweight
- tension
- sliding block
- mounting frame
- column
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
- B65H23/18—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web
- B65H23/188—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in connection with running-web
- B65H23/1888—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in connection with running-web and controlling web tension
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H20/00—Advancing webs
- B65H20/30—Arrangements for accumulating surplus web
- B65H20/32—Arrangements for accumulating surplus web by making loops
- B65H20/34—Arrangements for accumulating surplus web by making loops with rollers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
- B65H23/16—Registering, tensioning, smoothing or guiding webs longitudinally by weighted or spring-pressed movable bars or rollers
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/1303—Apparatus specially adapted to the manufacture of LCDs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/10—Handled articles or webs
- B65H2701/11—Dimensional aspect of article or web
- B65H2701/113—Size
- B65H2701/1133—Size of webs
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
- Polarising Elements (AREA)
Abstract
The invention discloses a tension adjusting device for feeding a polarizing film, which comprises a mounting frame, wherein two upper cross beams and lower cross beams which are parallel to each other are arranged at the front part and the rear part of the mounting frame, the upper cross beams are positioned at the upper part of the mounting frame, the lower cross beams are positioned at the lower part of the mounting frame, film feeding mechanisms are arranged on the upper cross beams and the lower cross beams, and tensioning devices are arranged in the middle parts of the film feeding mechanisms.
Description
Technical Field
The invention relates to the technical field of tension adjusting devices, in particular to a tension adjusting device for polarizing film feeding.
Background
Polarizers (polarizers), known as polarizers, control the polarization direction of a particular light beam. When natural light passes through the polaroid, light with the vibration direction perpendicular to the transmission axis of the polaroid is absorbed, and only polarized light with the vibration direction parallel to the transmission axis of the polaroid remains in the transmitted light. Two polarizers are respectively stuck on two sides of the glass substrate in the liquid crystal display module, the lower polarizer is used for converting light beams generated by the backlight source into polarized light, and the upper polarizer is used for analyzing the polarized light after the liquid crystal electric modulation to generate light-dark contrast, so that a display picture is generated. The imaging of the liquid crystal display module must depend on polarized light, any polaroid is omitted, and the liquid crystal display module cannot display images. In order to realize the automatic flow line production of a liquid crystal display panel (RTP), so as to reduce the production cost and improve the production speed, the production line supplies the polarized film intermittently, so as to meet the requirement of attaching the polarized film on the production line of the liquid crystal glass substrate, and in order to enable the polarized film to be matched with the flow of the liquid crystal glass substrate on the production line, the production line needs to have the energy storage capacity of the polarized film, so that the polarized film can be kept at a certain tension, and meanwhile, the speed requirement of attaching the polarized film can be met.
Disclosure of Invention
The invention aims to provide a tension adjusting device for feeding a polarizing film, which solves the problems of storage and tension adjustment of the polarizing film on an RTP production line.
In order to solve the problems, the invention adopts the following technical scheme:
the tension adjusting device for the polarized film feeding comprises a mounting frame, wherein two upper cross beams and two lower cross beams which are parallel to each other are arranged at the front part and the rear part of the mounting frame, the upper cross beams are positioned at the upper part of the mounting frame, the lower cross beams are positioned at the lower part of the mounting frame, film feeding mechanisms are arranged on the upper cross beams and the lower cross beams, and tensioning devices are arranged in the middle of the film feeding mechanisms;
the tensioning device comprises a tension roller, a counterweight mechanism, a traction mechanism, a tension adjusting mechanism and a rack, wherein the traction mechanism is arranged at two ends of a rotating shaft of the tension roller, the counterweight mechanism and the traction mechanism are arranged on the mounting frame through sliding rods arranged on the top of the mounting frame and the lower cross beam, each counterweight mechanism corresponds to one traction mechanism, the counterweight mechanism is positioned on the left side of the traction mechanism, the counterweight mechanism and the traction mechanism are connected through a hanging belt, the hanging belt passes through a pulley block arranged on the top of the mounting frame, the rack is vertically arranged between the lower cross beam and the top of the mounting frame, a flywheel is further arranged on the rotating shaft between the traction mechanism and a body of the tension roller, the flywheel is meshed with the rack, and the tension adjusting mechanism is arranged on the lower cross beam below the counterweight mechanism.
The film feeding mechanism comprises at least four feeding rollers which are arranged in parallel, the feeding rollers are respectively arranged on the upper beam and the lower beam, the tensioning device is arranged on a mounting frame between the two feeding rollers in the middle of the upper beam, and the tension rollers are arranged in parallel with the feeding rollers.
The pulley block comprises two fixed pulleys fixedly arranged at the top of the mounting frame, and the hanging belt penetrates through the two fixed pulleys.
The traction mechanism comprises a first sliding block, a mounting column, a first carrier and a first counterweight plate, wherein the first sliding block is a rectangular block, two mounting holes penetrating through the upper surface and the lower surface of the first sliding block are formed in the first sliding block, a linear bearing is mounted in the mounting holes, the sliding rod is slidably mounted in the linear bearing, the hanging strip is mounted on the left side of the first sliding block between the sliding rods, a rotating shaft of the tension roller is fixedly connected with the first sliding block, the rotating shaft of the tension roller penetrates through the first sliding block, the first carrier rotates and is mounted on the top end of the rotating shaft of the tension roller outside the first sliding block through the mounting column, and the first counterweight plate is arranged on the first carrier.
The counterweight mechanism comprises a second sliding block, a second carrier and a second counterweight plate, wherein the second sliding block is identical to the first sliding block in structure, the second carrier is identical to the first carrier in structure, the second counterweight plate is identical to the first counterweight plate in structure, the second carrier is arranged at the bottom of the first sliding block, and the second counterweight plate is arranged on the second carrier.
The first object carrier comprises a tray and a connecting rod, the top end of the connecting rod is rotationally connected with the mounting column, the top end of the connecting rod is fixedly arranged in the middle of the tray, the first weight plate is arranged on the tray and is provided with a groove, and the first weight plate is connected with the connecting rod in a clamping mode through the groove.
The upper part of the connecting rod is also provided with a support plate, the support plate is provided with a bolt, the bolt is in threaded connection with the support plate, and the bottom of the bolt is tightly pressed against the first counterweight plate.
The lower cross beam below the tray is further provided with a buffer device, the buffer device comprises an elastic telescopic rod and a support column, the length of the elastic telescopic rod after being compressed is not greater than that of the support column, and the top end of the support column is provided with a rubber pad.
The tension adjusting mechanism comprises an upper magnetic sheet, a lower magnetic column, a spring and a baffle plate, wherein the upper magnetic sheet is fixedly arranged at the bottom of the counterweight mechanism, the lower magnetic column is fixedly arranged on a lower cross beam below the upper magnetic sheet, the spring is fixedly arranged at the top of the lower magnetic column, the baffle plate is fixedly arranged at the top of the spring, and the upper magnetic sheet and the lower magnetic column can generate repulsive force.
The length of the hanging strip does not exceed the distance between the upper cross beam and the lower cross beam, and the hanging strip is always in a tensioning state.
The rack is arranged on the right side of the tension roller.
Compared with the prior art, the invention has the following implementation effects: according to the tension adjusting device, the flywheel which can be meshed with the rack is arranged on the tension roller, so that the problem that the tension roller is deviated rightwards in the up-and-down movement process of the tension roller can be effectively limited, and meanwhile, the tension roller can stably move up and down under the double limiting actions of the slide bar and the rack; the tension adjusting mechanism is arranged below the counterweight mechanism, so that when the counterweight mechanism descends to the vicinity of a position contacted with the partition plate, the lower magnetic column can generate upward magnetic force to the counterweight mechanism through the upper magnetic sheet, the tension of the counterweight mechanism to the traction mechanism is reduced, the tension of the traction mechanism to the polarizing film is increased, the tension roller is prevented from rising to the top of the mounting frame when the tension adjusting device is excessively high, a part of polarizing film can be stored by the tension adjusting device all the time, and the emergency use of the production line is facilitated.
Drawings
FIG. 1 is a front view of the invention;
FIG. 2 is a schematic illustration of the connection of a tension roller to a traction mechanism;
FIG. 3 is a schematic view of the engagement of a flywheel on a tension roller with a rack;
FIG. 4 is a front view of the first slider;
fig. 5 is a front view of the first carrier;
fig. 6 is a top view of a first weight plate.
Reference numerals illustrate: 1. a mounting frame; 10. a polarizing film; 11. a lower cross beam; 12. an upper cross beam; 13. a feed roller; 14. a lower magnetic column; 15. a spring; 16. a partition plate; 2. a first slider; 21. a slide bar; 22. a linear bearing; 3. a second slider; 41. a mounting column; 42. a connecting rod; 43. a tray; 44. a support plate; 45. a bolt; 46. a first weight plate; 47. a second weight plate; 48. a magnetic sheet is arranged on the upper part; 5. a tension roller; 51. a rotating shaft; 6. A pulley; 7. a hanging belt; 81. a support column; 82. a telescopic rod; 9. a flywheel; 91. a rack.
Detailed Description
The following description of the technical solutions in the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, based on the embodiments of the invention, which would be apparent to one of ordinary skill in the art without making any inventive effort are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction to construct and operate in the specific direction, and thus should not be construed as limiting the invention.
In the description of the invention, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the terms in the invention will be understood by those of ordinary skill in the art in a specific context.
As shown in fig. 1-6, the tension adjusting device for feeding the polarizing film 10 comprises a mounting frame 1, wherein the front part and the rear part of the mounting frame 1 are respectively provided with two upper cross beams 12 and a lower cross beam 11 which are parallel to each other, the upper cross beam 12 is positioned at the upper part of the mounting frame 1, the lower cross beam 11 is positioned at the lower part of the mounting frame 1, the upper cross beam 12 and the lower cross beam 11 are provided with film feeding mechanisms, and the middle parts of the film feeding mechanisms are provided with tensioning devices; the film feeding mechanism comprises at least four feeding rollers 13 which are arranged in parallel, the feeding rollers 13 are respectively arranged on the upper beam 12 and the lower beam 11, and the tensioning device is arranged on the mounting frame 1 between the two feeding rollers 13 in the middle of the upper beam 12.
The tensioning device comprises a tension roller 5, a counterweight mechanism, traction mechanisms, a tension adjusting mechanism and a rack 91, wherein the tension roller 5 comprises a rotating shaft 51 and a body, the body can rotate on the rotating shaft 51, two ends of the rotating shaft 51 of the tension roller 5 are provided with the traction mechanisms, the tension roller 5 and a feeding roller 13 are arranged in parallel, the counterweight mechanism and the traction mechanisms are arranged on the mounting frame 1 through sliding rods 21 arranged on the top of the mounting frame 1 and a lower beam 11, each counterweight mechanism corresponds to one traction mechanism, the counterweight mechanism is positioned on the left side of the traction mechanism, the counterweight mechanism and the traction mechanisms are connected through a hanging strip 7, the hanging strip 7 penetrates through a pulley 6 set arranged on the top of the mounting frame 1, the pulley 6 set comprises two fixed pulleys 6 fixedly arranged on the top of the mounting frame 1, the hanging strip 7 penetrates through the two fixed pulleys 6, the length of the hanging strip 7 does not exceed the distance between the upper beam 12 and the lower beam 11, and the hanging strip 7 is always in a tensioning state; the rack 91 is vertically installed between the lower beam 11 and the top of the mounting frame 1, the rack 91 is arranged on the right side of the tension roller 5, the flywheel 9 is further installed on the rotating shaft 51 between the traction mechanism and the body of the tension roller 5, the flywheel 9 is meshed with the rack 91, and the tension adjusting mechanism is arranged on the lower beam 11 below the weight adjusting mechanism. Through set up the flywheel 9 that can mesh with rack 91 on tension roller 5, can effectually restrict the problem that tension roller 5 squinted to the right in the in-process of tension roller 5 up-and-down motion, simultaneously tension roller 5 can steady up-and-down motion under the dual restriction effect of slide bar 21 and rack 91. The tension roller 5 can press the polarized film 10 passing through the tension roller 5 by self gravity and the gravity of the traction mechanism, so that the film storage is realized, and meanwhile, the polarized film 10 generates tension, so that the polarized film 10 is prevented from loosening.
The traction mechanism comprises a first sliding block 2, a mounting column 41, a first carrier and a first counterweight plate 46, wherein the first sliding block 2 is a rectangular block, two mounting holes penetrating through the upper surface and the lower surface of the first sliding block 2 are formed in the first sliding block 2, a linear bearing 22 is mounted in the mounting holes, a sliding rod 21 is slidably mounted in the linear bearing 22, a hanging belt 7 is mounted on the left side of the first sliding block 2 between the sliding rods 21, a rotating shaft 51 of a tension roller 5 is fixedly connected with the first sliding block 2, the rotating shaft 51 of the tension roller 5 penetrates through the first sliding block 2, the first carrier is rotatably mounted on the top end of the rotating shaft 51 of the tension roller 5 outside the first sliding block 2 through the mounting column 41, and the first counterweight plate 46 is arranged on the first carrier.
The counterweight mechanism comprises a second slide block 3, a second carrier frame and a second counterweight plate 47, the second slide block 3 has the same structure as the first slide block 2, the second carrier frame has the same structure as the first carrier frame, the second counterweight plate 47 has the same structure as the first counterweight plate 46, the second carrier frame is arranged at the bottom of the first slide block 2, and the second counterweight plate 47 is arranged on the second carrier frame. The number of the first weight plate 46 and the second weight plate 47 on the traction mechanism and the weight mechanism can be adjusted, and the tension of the polarizing film 10 by the tension roller 5 can be adjusted.
The first carrier comprises a tray 43 and a connecting rod 42, the top end of the connecting rod 42 is rotationally connected with the mounting column 41, the top end of the connecting rod 42 is fixedly arranged in the middle of the tray 43, a first weight plate 46 is arranged on the tray 43, a groove is formed in the first weight plate 46, and the first weight plate 46 is clamped with the connecting rod 42 through the groove; the upper portion of connecting rod 42 still is equipped with extension board 44, installs bolt 45 on the extension board 44, and bolt 45 and extension board 44 threaded connection, the bottom of bolt 45 compresses tightly first counter weight board 46.
The lower beam 11 below the tray 43 is further provided with a buffer device, the buffer device comprises an elastic telescopic rod 82 and a support column 81, the length of the elastic telescopic rod 82 after being compressed is not greater than that of the support column 81, the top end of the support column 81 is provided with a rubber pad, the telescopic rod 82 can play a role in buffering when the gravity adjusting device slides down to the bottom of the slide rod 21, and the support column 81 can play a role in supporting.
The tension adjusting mechanism comprises an upper magnetic sheet 48, a lower magnetic column 14, a spring 15 and a partition plate 16, wherein the upper magnetic sheet 48 is fixedly arranged at the bottom of the counterweight mechanism, the lower magnetic column 14 is fixedly arranged on a lower cross beam 11 below the upper magnetic sheet 48, the spring 15 is fixedly arranged at the top of the lower magnetic column 14, the partition plate 16 is fixedly arranged at the top of the spring 15, and the upper magnetic sheet 48 and the lower magnetic column 14 can generate repulsive force. By arranging the tension adjusting mechanism below the weight mechanism, when the weight mechanism descends to the vicinity of the contact position with the partition plate 16, the lower magnetic column 14 can generate upward magnetic force to the weight mechanism through the upper magnetic sheet 48, so that the tension of the weight mechanism to the traction mechanism is reduced, the tension of the traction mechanism to the polarized film 10 is increased, the tension roller 5 is prevented from rising to the top of the mounting frame 1 when the tension of the polarized film 10 is overlarge by the tension adjusting device, and part of the polarized film 10 can be stored by the tension adjusting device all the time, so that the emergency use of the production line is facilitated.
Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a tension adjustment device for polarizing film material loading, includes the mounting bracket, the front portion and the rear portion of mounting bracket all be equipped with two entablature and the underbeam that are parallel to each other, the entablature be located the upper portion of mounting bracket, the underbeam be located the lower part of mounting bracket, entablature and underbeam on install and walk membrane mechanism, its characterized in that: the middle part of the film feeding mechanism is provided with a tensioning device;
the tensioning device comprises a tension roller, a counterweight mechanism, a traction mechanism, a tension adjusting mechanism and a rack, wherein the traction mechanism is arranged at two ends of a rotating shaft of the tension roller, the counterweight mechanism and the traction mechanism are arranged on the mounting frame through sliding rods arranged on the top of the mounting frame and the lower cross beam, each counterweight mechanism corresponds to one traction mechanism, the counterweight mechanism is positioned at the left side of the traction mechanism, the counterweight mechanism and the traction mechanism are connected through a hanging belt, the hanging belt passes through a pulley block arranged on the top of the mounting frame, the rack is vertically arranged between the lower cross beam and the top of the mounting frame, a flywheel is further arranged on the rotating shaft between the traction mechanism and a body of the tension roller, the flywheel is meshed with the rack, and the tension adjusting mechanism is arranged on the lower cross beam below the counterweight mechanism;
the traction mechanism comprises a first sliding block, a mounting column, a first carrier and a first counterweight plate, wherein the first sliding block is a rectangular block, two mounting holes penetrating through the upper surface and the lower surface of the first sliding block are formed in the first sliding block, a linear bearing is arranged in the mounting holes, the sliding rod is slidably arranged in the linear bearing, a sling is arranged on the left side of the first sliding block between the sliding rods, a rotating shaft of the tension roller is fixedly connected with the first sliding block, the rotating shaft of the tension roller penetrates through the first sliding block, the first carrier is rotatably arranged at the top end of the rotating shaft of the tension roller at the outer side of the first sliding block through the mounting column, and the first counterweight plate is arranged on the first carrier;
the first object carrier comprises a tray and a connecting rod, the top end of the connecting rod is rotationally connected with the mounting column, the top end of the connecting rod is fixedly arranged in the middle of the tray, the first weight plate is arranged on the tray and is provided with a groove, and the first weight plate is clamped with the connecting rod through the groove;
the upper part of the connecting rod is also provided with a support plate, the support plate is provided with a bolt, the bolt is in threaded connection with the support plate, and the bottom of the bolt is tightly pressed against the first weight plate;
the tension adjusting mechanism comprises an upper magnetic sheet, a lower magnetic column, a spring and a baffle plate, wherein the upper magnetic sheet is fixedly arranged at the bottom of the counterweight mechanism, the lower magnetic column is fixedly arranged on a lower cross beam below the upper magnetic sheet, the spring is fixedly arranged at the top of the lower magnetic column, the baffle plate is fixedly arranged at the top of the spring, and the upper magnetic sheet and the lower magnetic column can generate repulsive force.
2. The tension adjusting device for feeding a polarizing film according to claim 1, wherein: the film feeding mechanism comprises at least four feeding rollers which are arranged in parallel, the feeding rollers are respectively arranged on the upper beam and the lower beam, the tensioning device is arranged on a mounting frame between the two feeding rollers in the middle of the upper beam, and the tension rollers are arranged in parallel with the feeding rollers.
3. The tension adjusting device for feeding a polarizing film according to claim 1, wherein: the pulley block comprises two fixed pulleys fixedly arranged at the top of the mounting frame, and the hanging belt penetrates through the two fixed pulleys.
4. The tension adjusting device for feeding a polarizing film according to claim 1, wherein: the lower cross beam below the tray on still be equipped with buffer, buffer include elastic telescopic link and support column, elastic telescopic link be not greater than the length of support column by the length after compressing, the top of support column be equipped with the rubber pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110736878.1A CN113620093B (en) | 2021-06-30 | 2021-06-30 | Tension adjusting device for polarizing film feeding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110736878.1A CN113620093B (en) | 2021-06-30 | 2021-06-30 | Tension adjusting device for polarizing film feeding |
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| Publication Number | Publication Date |
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| CN113620093A CN113620093A (en) | 2021-11-09 |
| CN113620093B true CN113620093B (en) | 2023-05-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110736878.1A Active CN113620093B (en) | 2021-06-30 | 2021-06-30 | Tension adjusting device for polarizing film feeding |
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| CN (1) | CN113620093B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11349196A (en) * | 1998-06-08 | 1999-12-21 | Fuji Photo Film Co Ltd | Tensile force giving device of lengthy article |
| CN112875390A (en) * | 2021-03-23 | 2021-06-01 | 广东嘉元科技股份有限公司 | Tension adjusting mechanism of copper foil surface treatment machine |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB297219A (en) * | 1927-09-21 | 1928-09-20 | Hoe & Co R | Improvements in web tension controlling mechanism for printing machines |
| CN204265077U (en) * | 2014-11-29 | 2015-04-15 | 桐乡市新景和纺织科技有限公司 | A kind of fabric tightening device |
| CN205522898U (en) * | 2016-03-22 | 2016-08-31 | 日东电工株式会社 | Optical film applying device |
| CN210763771U (en) * | 2019-08-13 | 2020-06-16 | 江西盛远建设工程有限公司 | Building site material lifting machine |
| CN212839144U (en) * | 2020-06-12 | 2021-03-30 | 无锡捷率机械制造有限公司 | Pressure buffering device of hydraulic machine |
| CN112193895B (en) * | 2020-11-09 | 2022-05-10 | 河北恒拓机械设备有限公司 | Net collecting tension control device for processing hexagonal net |
-
2021
- 2021-06-30 CN CN202110736878.1A patent/CN113620093B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11349196A (en) * | 1998-06-08 | 1999-12-21 | Fuji Photo Film Co Ltd | Tensile force giving device of lengthy article |
| CN112875390A (en) * | 2021-03-23 | 2021-06-01 | 广东嘉元科技股份有限公司 | Tension adjusting mechanism of copper foil surface treatment machine |
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| CN113620093A (en) | 2021-11-09 |
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