CN112893029A - Electronic touch screen frictioning device - Google Patents
Electronic touch screen frictioning device Download PDFInfo
- Publication number
- CN112893029A CN112893029A CN202110064092.XA CN202110064092A CN112893029A CN 112893029 A CN112893029 A CN 112893029A CN 202110064092 A CN202110064092 A CN 202110064092A CN 112893029 A CN112893029 A CN 112893029A
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- Prior art keywords
- synchronous
- guide rail
- glue
- touch screen
- tooth
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/02—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface
- B05C11/04—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface with blades
- B05C11/048—Scrapers, i.e. metering blades having their edge oriented in the upstream direction in order to provide a reverse angle of attack
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/50—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
- B05C11/1039—Recovery of excess liquid or other fluent material; Controlling means therefor
Abstract
The invention discloses a glue scraping device for an electronic touch screen, which comprises an annular frame type guide rail assembly, a scraper, a first synchronous toothed belt and a bladeless fan, wherein the annular frame type guide rail assembly is arranged on the scraper; one end of the scraper is provided with a guide post which is connected with the annular frame type guide rail component in a guiding way; the annular surface of the guide post is concavely provided with a stress groove; the inner surface of the first synchronous gear belt is provided with a first synchronous tooth which is used for abutting against the stress groove; the bladeless fan is used for sucking and removing the overflowing glue scraped by the scraper from the upper surface of the touch screen body; the air outlet side of the bladeless fan deviates from one side of the supporting plate. This electronic touch-sensitive screen frictioning device is glued at the excessive glue that forms all around and is cold scraped to the touch-sensitive screen bonding back to adopt the formula of induced drafting to unify the collection to the cull that scrapes, simple structure, work efficiency height.
Description
Technical Field
The invention relates to the technical field of electronic equipment processing, in particular to a glue scraping device of an electronic touch screen.
Background
Touch-sensitive screen need carry out some glue at the in-process of processing for 2 glass bonding or glass and base plate bonding, and compress behind some glues and make the colloid bonding problem, but at the in-process of compression, the colloid between 2 pieces of glass will overflow, consequently, need arrange corresponding personnel on producing the line and carry out the frictioning to the glue that overflows.
The invention discloses a Chinese invention with the prior patent name of 'a glue scraping method for producing an electronic touch screen' and the publication number of CN108405280A, and has the following technical problems:
1. the base is located square frame middle part, and the upper surface on 4 limits of square frame all is fixed with the guide rail, all is equipped with a frictioning structure on every guide rail, and the frictioning structure includes: a blade, an electric trolley and the like, wherein one device has 4 groups of scraper structures, and the structure is too complex;
2. the cutter head of the blade in the patent application can heat glue, so that the glue is softened and is convenient to scrape, in the actual operation process, the heated glue is easy to form drawn wires between the cutter and the touch screen, but is difficult to scrape completely, and the cementing effect of the touch screen is easy to damage;
3. the heated colloid is left on the surface of the blade, and the brush and the sponge are designed in the patent application to clean the colloid on the surface of the blade, so that the technical effect is difficult to realize in practice; if the residual glue is in a heating state, the drawn wire is formed between the blade and a contact object of the blade, and the brush and the sponge are wound with the glue; if the cleaning is carried out in a non-heating state, the brushes and the sponge are difficult to clean the cooled colloid from the blade.
Disclosure of Invention
The invention aims to provide a touch screen glue scraping device which is used for cold scraping overflowing glue formed around a bonded touch screen and uniformly collecting scraped residual glue in an air suction manner, and is simple in structure and high in working efficiency.
The embodiment of the invention is realized by the following technical scheme:
the utility model provides an electronic touch screen frictioning device for strike off the excessive glue that produces around touch-sensitive screen body upper surface behind the glued touch-sensitive screen body of electronic equipment, including backup pad, hoop frame guide rail subassembly, scraper, drive arrangement and bladeless fan.
The supporting plate is used for placing electronic equipment glued with the touch screen body.
The annular frame type guide rail assembly is arranged around the supporting plate.
The scraper is used for scraping overflowing glue on the upper surface of the touch screen body; one end of the scraper is provided with a guide post which is connected with the annular frame type guide rail component in a guiding way; the annular surface of the guide post is concavely provided with a stress groove.
The driving device is used for driving the scraper to move circumferentially along the periphery of the touch screen body; the driving device comprises a first synchronous toothed belt, first synchronous teeth are arranged on the inner surface of the first synchronous toothed belt and used for being abutted to the stress groove.
The bladeless fan is used for sucking and removing the overflowing glue scraped by the scraper from the upper surface of the touch screen body; the air outlet side of the bladeless fan deviates from one side of the supporting plate.
In one embodiment of the invention, adjacent straight edges of the circumferential frame rail assembly are configured as circular arc rail segment connections.
The annular frame type guide rail assembly comprises an upper guide rail and a lower guide rail which are arranged in a stacked mode, wherein the upper guide rail is provided with an upper guide ring groove, and the lower guide rail is provided with a lower guide ring groove; the upper end of the guide post is arranged in the upper guide ring groove, and the lower end of the guide post is arranged in the lower guide ring groove.
The scraper is provided with a knife handle, and the scraper is connected with the guide post through the knife handle.
The knife handle and the stress groove are arranged between the upper guide rail and the lower guide rail; the knife handle is arranged at the upper side of the stress groove.
The first synchronous toothed belt is wound on the outer side of the annular frame type guide rail assembly, and the first synchronous teeth penetrate through the space between the upper guide rail and the lower guide rail and are abutted against the stress groove; the bottom surface of the stress groove is configured to be a plane parallel to the axis of the guide post, and the side part of the first synchronous tooth abuts against the bottom surface of the stress groove.
In an embodiment of the present invention, the circumferential frame type guide rail assembly includes a glue collecting side, the bladeless fan is disposed on the glue collecting side, the bladeless fan includes a dual-output shaft motor, the dual-output shaft motor includes a secondary motor shaft, the secondary motor shaft penetrates out from the bottom of the bladeless fan, and the secondary motor shaft is connected with a first gear for driving the first synchronous belt; the first synchronous toothed belt comprises second synchronous teeth, the second synchronous teeth and the first synchronous teeth are distributed on the inner side of the first synchronous toothed belt in parallel, and the first gear is meshed with the second synchronous teeth.
The arc guide rail section is provided with a tension wheel, the tension wheel is arranged at the bottom of the lower guide rail, and the tension wheel is meshed with the second synchronous teeth.
In an embodiment of the present invention, the glue collecting side is configured with a second timing belt, a length direction of the second timing belt is distributed parallel to the glue collecting side, and the second timing belt is configured inside the circumferential frame-type guide rail assembly. A reserved gap is reserved between the supporting plate and the glue collecting side and used for accommodating a second synchronous toothed belt.
The inner surface of the second synchronous toothed belt is provided with third synchronous teeth; the secondary motor shaft is connected with a second gear, a third gear is arranged in the second synchronous gear belt, the second gear is in belt transmission with the third gear, and the third gear is meshed with the third synchronous gear.
The first synchronous belt is configured as a trapezoidal tooth synchronous belt, and the first synchronous teeth are configured as trapezoidal teeth.
The outer surface of the second synchronous toothed belt is provided with a fourth synchronous tooth, the fourth synchronous tooth is provided with an inverted trapezoidal tooth, the tooth root width of the fourth synchronous tooth is equal to the tooth root width of the first synchronous tooth, and the tooth root width of the fourth synchronous tooth is equal to the tooth root width of the first synchronous tooth.
When the first synchronous toothed belt is driven by the first gear, the first synchronous teeth are gradually far away from the outer side of the abutted stress slot, and the fourth synchronous teeth are gradually abutted to the inner side of the abutted stress slot; when the first synchronous tooth is completely separated from the stress groove, the fourth synchronous tooth is abutted to the stress groove and drives the guide column to move along the glue collecting side.
In one embodiment of the present invention, the radii of the first gear, the second gear, and the third gear are all the same.
In an embodiment of the present invention, the fan further includes an aggregate banding component for making the cut colloid into a double-sided adhesive tape, and the aggregate banding component is disposed on the air outlet side of the bladeless fan.
The material collecting belt component comprises a quarter arc-shaped plate and a material pressing roller, the material pressing roller is arranged on the inner side of the quarter arc-shaped plate, a material collecting extrusion groove with a large upper part and a small lower part is formed between the material pressing roller and the quarter arc-shaped plate, and the material pressing roller presses colloid at the bottom of the material collecting extrusion groove to form an adhesive tape.
A collecting cover for collecting the overflowing glue is arranged between the upper side of the bladeless fan and the top of the material pressing roller, an upper plate is arranged between the lower side of the bladeless fan and the upper end of the quarter-arc plate, and an air channel is formed between the upper plate and the collecting cover; an air outlet is reserved between the collecting cover and the material pressing roller.
The lower end of the quarter arc plate extends to one side of the bladeless fan to form a lower plate, a bottom plate is arranged on the lower side of the lower plate, and a channel for first release paper to pass through is arranged between the bottom plate and the lower plate; the first release paper is supported on the lower surface of the adhesive tape at the bottom of the nip roll.
The adhesive discharging side of the pressure roller is sequentially provided with a guide roller and a winding roller, the surface of the guide roller is conveyed with second anti-sticking paper attached to the upper surface of the adhesive tape, the first anti-sticking paper, the adhesive tape and the second anti-sticking paper are combined into a double-sided adhesive tape from bottom to top, and the winding roller is used for winding the double-sided adhesive tape.
In an embodiment of the present invention, a plurality of discharging guide grooves are concavely disposed on an inner surface of the quarter arc plate, the quarter arc plate and the discharging guide grooves are configured to have a wide upper end and a narrow lower end, and a material shaping section is left between the lower end of the discharging guide groove and the lower end of the quarter arc plate.
In an embodiment of the invention, the outer surface of the quarter arc is provided with heating means.
In one embodiment of the invention, the guide column comprises an upper column body and a lower column body which are connected by screw threads, a stud is fixedly connected to the lower end face of the upper column body, and a screw hole matched with the stud is arranged on the upper end face of the lower column body; the upper column body is arranged in the upper guide ring groove, and the lower column body is arranged in the lower guide ring groove.
The force-bearing groove is arranged on the lower column body.
The knife handle is pressed between the upper column body and the lower column body.
One side of the scraper, which is far away from the cutting edge, is provided with a rising curling section.
In one embodiment of the invention, the annular frame type guide rail assembly and the support plate are configured with multiple specifications to match touch screen bodies with different sizes; the middle part of the glue collecting side is outwards provided with a bar-shaped fixed seat perpendicular to the glue collecting side, the bottom of the bladeless fan is connected with the bar-shaped fixed seat in a sliding mode along the length direction of the bar-shaped fixed seat, and a detachable fixing device is arranged between the bottom of the bladeless fan and the bar-shaped fixed seat.
The technical scheme of the embodiment of the invention at least has the following advantages and beneficial effects:
the device adopts the first synchronous toothed belt to drive the guide post so that the scraper makes circular motion along the circular frame type guide rail assembly, thereby cold scraping the overflowing glue around the touch screen body, the speed is high, the cold cutting is smooth, and the cold cutting is also beneficial to the glue to be bonded to the device; a plurality of scrapers can be configured to be driven by the same pair of first synchronous toothed belts to scrape glue, and the scrapers can wind for a plurality of times, so that the glue scraping is thorough, the device is simple in structure and high in efficiency;
the cut colloid can be uniformly sucked and collected by adopting a bladeless fan which is also called an air doubling machine, so that the air gathering capacity is strong, and the material collection is convenient; the absence of fan blades is more advantageous for preventing glue from tangling.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a top view of an electronic touch screen squeegee apparatus of the present invention;
FIG. 2 is a top view of a touch screen body;
FIG. 3 is a schematic view of the first synchronous belt-driven scraper of the present invention, showing the driven manner in which the scraper is located on the circular arc rail section;
FIG. 4 is a diagram showing the relative positions of the upper guide rail, the lower guide rail, the guide post, the first synchronous toothed belt and the second synchronous toothed belt;
FIG. 5 is a schematic exploded view of a guide post according to the present invention;
FIG. 6 is a partial schematic view of a first timing belt of the present invention;
FIG. 7 is a front view of a bladeless fan according to the present invention;
FIG. 8 is a partial schematic view of the glue collecting side of the present invention, which is intended to show the process of the first synchronizing tooth gradually disengaging from the force-receiving groove while the fourth synchronizing tooth gradually abuts against the force-receiving groove in the arc-shaped guide rail section;
FIG. 9 is a schematic structural view of a second timing belt of the present invention;
FIG. 10 is a schematic view of a double-sided tape manufactured by a nip roll according to the present invention;
FIG. 11 is a schematic view of a quarter-arc of the present invention;
FIG. 12 is a side view of a doctor blade of the present invention;
fig. 13 is a top view of the circumferential frame rail assembly and support plate of the present invention, in place of other gauges.
Icon: 11-touch screen body, 12-glue overflow, 13-support plate, 14-electronic equipment, 20-annular frame type guide rail assembly, 2 a-arc guide rail section, 21-upper guide rail, 22-lower guide rail, 23-upper guide ring groove, 24-lower guide ring groove, 2 b-glue collection side, 25-tensioning wheel, 26-reserved gap, 31-scraper, 32-knife handle, 33-upward curling section, 40-guide column, 41-stress groove, 42-upper column, 43-lower column, 44-stud, 45-screw hole, 510-first synchronous toothed belt, 511-first synchronous tooth, 512-second synchronous tooth, 520-second synchronous toothed belt, 521-third synchronous tooth, 522-fourth synchronous tooth, 61-bladeless fan, 62-first gear, 63-second gear, 64-third gear, 65-strip-shaped fixed seat, 71-quarter arc-shaped plate, 71 a-blanking guide groove, 71 b-material finishing section, 72-nip roll, 73-aggregate extrusion groove, 74-collection cover, 75-upper plate, 76-air channel, 77-air outlet, 78-lower plate, 79-bottom plate, 710-guide roll, 711-material rolling roll, 712-heating device, 80-double-sided adhesive and 81-second release paper.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that if the terms "inside", "outside", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship which is usually placed when the product of the present invention is used, the description is merely for convenience of describing the present invention and simplifying the description, but the indication or suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation and operation, and thus, cannot be understood as the limitation of the present invention.
In the description of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "configured," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 specific cases to those skilled in the art.
Referring to fig. 1 to 6, an electronic touch screen glue scraping device is used for scraping glue overflow 12 generated around the upper surface of a touch screen body 11 after an electronic device 14 is glued to the touch screen body 11, and includes a support plate 13, a circumferential frame type guide rail assembly 20, a scraper 31, a driving device, and a bladeless fan 61.
The support plate 13 is used for placing the electronic device 14 after gluing the touch screen body 11.
The annular frame-type guide rail assembly 20 is arranged around the support plate 13.
The scraper 31 is used for scraping the overflowing glue 12 on the upper surface of the touch screen body 11; one end of the scraper 31 is provided with a guide post 40, and the guide post 40 is connected with the annular frame type guide rail assembly 20 in a guiding way; the annular surface of the guide post 40 is concavely provided with a force receiving groove 41.
The driving device is used for driving the scraper 31 to move circumferentially along the periphery of the touch screen body 11; the driving device comprises a first synchronous toothed belt 510, wherein a first synchronous tooth 511 is arranged on the inner surface of the first synchronous toothed belt 510, and the first synchronous tooth 511 is used for abutting against the force receiving groove 41.
The bladeless fan 61 is used for sucking and removing the overflowing glue 12 scraped by the scraper 31 from the upper surface of the touch screen body 11; the air outlet side of the bladeless fan 61 is opposite to the side of the support plate 13.
Referring to fig. 12, the side of the scraper 31 away from the blade edge is provided with a raised curl 33; the upward curling section 33 is beneficial to lifting the scraped colloid, thereby being beneficial to the suction and collection of the bladeless fan 61.
Referring to fig. 5, in the present embodiment, the guiding column 40 includes an upper column 42 and a lower column 43 which are connected by screw threads, a stud 44 is fixedly connected to a lower end surface of the upper column 42, and a screw hole 45 matching the stud 44 is configured on an upper end surface of the lower column 43; the upper column 42 is disposed in the upper guide ring groove 23, and the lower column 43 is disposed in the lower guide ring groove 24. The knife handle 32 is pressed between the upper column 42 and the lower column 43; the force receiving groove 41 is disposed in the lower column 43. This design has at least the advantage that the lower cylinder 43 can be replaced without having to replace the doctor blade 31 and the upper cylinder 42, first when the electronic device 14 has different thicknesses; secondly, when such a structure is also convenient for changing the scraper 31, it is convenient for adjusting the included angle between the scraper 31 and the force-bearing groove 41, and a gasket can be additionally arranged between the lower column 43 and the handle 32, so that the electronic device 14 with different thicknesses can be matched to finely adjust the distance between the scraper 31 and the support plate 13.
It should be noted that the device adopts the first synchronous toothed belt 510 to drive the guide post 40, so that the scraper 31 makes a circular motion along the circular frame type guide rail assembly 20, thereby cold-scraping the spilled glue 12 around the touch screen body 11, which is fast and smooth, and meanwhile, cold cutting is also beneficial to glue bonding to the device; a plurality of scrapers 31 can be arranged and driven by the same pair of first synchronous toothed belts 510 to scrape glue, and the scrapers can wind for a plurality of times, so that the glue scraping is thorough, the device is simple in structure and high in efficiency; the cut colloid can be uniformly sucked and collected by adopting a bladeless fan 61, and the bladeless fan 61 is also called an air doubling machine, has strong wind gathering capacity and is convenient for material collection; the absence of fan blades is more advantageous for preventing glue from tangling.
In the present embodiment, the adjacent straight edges of the circumferential frame-type rail assembly 20 are configured to be connected by the circular-arc rail sections 2 a; the arc guide rail sections 2a are connected to facilitate the guide posts 40 to turn around the touch screen body 11. Refer to fig. 3.
The annular frame type guide rail assembly 20 comprises an upper guide rail 21 and a lower guide rail 22 which are arranged in a stacked mode, wherein the upper guide rail 21 is provided with an upper guide ring groove 23, and the lower guide rail 22 is provided with a lower guide ring groove 24; the upper end of the guide post 40 is disposed in the upper guide ring groove 23, and the lower end of the guide post 40 is disposed in the lower guide ring groove 24. Refer to fig. 4.
The doctor blade 31 is provided with a holder 32, and the doctor blade 31 and the guide post 40 are connected by the holder 32.
The tool shank 32 and the force receiving groove 41 are arranged between the upper guide rail 21 and the lower guide rail 22; the annular frame type guide rail assembly 20 guides at the upper end and the lower end of the guide column 40, and the guiding is stable. The holder 32 is disposed above the force receiving groove 41, so that the first synchronizing teeth 511 are driven at the lower side of the scraper 31.
The first synchronous toothed belt 510 is wound on the outer side of the annular frame-type guide rail assembly 20, and the first synchronous teeth 511 are arranged between the upper guide rail 21 and the lower guide rail 22 in a penetrating manner and abut against the stress slot 41; the groove bottom surface of the force-receiving groove 41 is configured as a plane parallel to the axis of the guide post 40, thereby facilitating the direct transmission of the pushing force to the blade 31; the side of the first synchronizing tooth 511 abuts against the bottom surface of the force receiving groove 41.
In the present embodiment, the circumferential frame type guide rail assembly 20 includes a glue collecting side 2b, the bladeless fan 61 is disposed on the glue collecting side 2b, the bladeless fan 61 includes a dual-output shaft motor, the dual-output shaft motor includes a secondary motor shaft, the secondary motor shaft penetrates out from the bottom of the bladeless fan 61, and the secondary motor shaft is connected with a first gear 62 for driving the first synchronous toothed belt 510; the first synchronous toothed belt 510 includes a second synchronous tooth 512, the second synchronous tooth 512 and the first synchronous tooth 511 are distributed in parallel on the inner side of the first synchronous toothed belt 510, and the first gear 62 is engaged with the second synchronous tooth 512. Therefore, the scraper 31 and the bladeless fan 61 adopt the same set of motive power, and the structure is simple and ingenious; and no additional gear and belt are needed.
The arc guide rail section 2a is provided with a tension wheel 25, the tension wheel 25 is arranged at the bottom of the lower guide rail 22, and the tension wheel 25 is meshed with the second synchronizing teeth 512; the first synchronizing tooth 511 is used to transmit power to the doctor blade 31, and the second synchronizing tooth 512 and the tension pulley 25 are used to ensure the endless detour of the first synchronizing toothed belt 510.
In the present embodiment, the second timing belt 520 is disposed on the glue collecting side 2b, the second timing belt has a length direction parallel to the glue collecting side 2b, and the second timing belt 520 is disposed inside the circumferential frame-type rail assembly 20. A clearance 26 is left between the support plate 13 and the glue collecting side 2b, and the clearance 26 is used for accommodating the second synchronous toothed belt 520.
A third synchronizing tooth 521 is arranged on the inner surface of the second synchronizing toothed belt 520; the secondary motor shaft is connected to a second gear 63, a third gear 64 is disposed in the second timing belt 520, the second gear 63 is belt-driven with the third gear 64, and the third gear 64 meshes with the third timing teeth 521. Refer to fig. 7.
The first timing belt 510 is configured as a ladder tooth timing belt, and the first timing teeth 511 are configured as ladder teeth.
Referring to fig. 8 and 9, the fourth timing tooth 522 is disposed on the outer surface of the second timing belt 520, the fourth timing tooth 522 is disposed as an inverted trapezoidal tooth, the tooth root width of the fourth timing tooth 522 is equal to the tooth tip width of the first timing tooth 511, and the tooth tip width of the fourth timing tooth 522 is equal to the tooth root width of the first timing tooth 511. Thereby facilitating the alternate transmission of the fourth synchronizing tooth 522 and the first synchronizing tooth 511 in the force receiving slot 41.
When the first synchronous tooth 511 is gradually far away from the outer side of the abutted force receiving groove 41 under the driving of the first gear 62 by the first synchronous toothed belt 510, the fourth synchronous tooth 522 is gradually abutted to the inner side of the abutted force receiving groove 41; when the first synchronizing tooth 511 is completely disengaged from the force receiving groove 41, the fourth synchronizing tooth 522 abuts against the force receiving groove 41 and drives the guide post 40 to move along the glue collecting side 2 b.
It should be noted that the stress groove 41 on the guide post 40 seems to be simple in structure, but the stress groove 41 of the present invention realizes the matching use of the first synchronous toothed belt 510 and the second synchronous toothed belt 520, so that the scraper 31 can go around the periphery of the touch screen body 11 in a complete circle, and simultaneously, the scraper 31 of the present device goes around and the bladeless fan 61 adopts the same power device; more importantly, the first synchronizing toothed belt 510 and the second synchronizing toothed belt 520 are matched to use in the invention, so that the same set of the first synchronizing toothed belt 510, the scraper 31, the guide post 40 and the like can be adapted to the touch screen body 11 with various specifications, that is, the circumferential frame-shaped guide rail assembly 20, the length and width of the support plate 13 and the length of the second synchronizing toothed belt 520 are replaced.
Therefore, in the present embodiment, the ring-shaped frame rail assembly 20 and the support plate 13 are configured with a plurality of specifications to match the touch screen bodies 11 of different sizes; collect gluey side 2b middle part outside configuration perpendicular to collection gluey side 2 b's bar fixing base 65, bladeless fan 61 bottom is followed bar fixing base 65's length direction sliding connection, disposes detachable fixing device between bladeless fan 61 bottom and the bar fixing base 65. Referring to fig. 13, when the size of the touch screen body 11 is reduced, or the circumference of the touch screen body 11 is reduced, that is, the distance between the ring-shaped frame-type rail assembly 20 and the bladeless fan 61 is adjusted; meanwhile, the length of the second synchronous toothed belt 520 does not need to be changed, a larger size is used as the original design size of the second synchronous toothed belt 520, and if the second synchronous toothed belt 520 is longer than the glue collecting side 2b, a gear is additionally arranged to provide a tensioning effect for the second synchronous toothed belt 520.
In the embodiment, the radii of the first gear 62, the second gear 63 and the third gear 64 are all the same, so that the first synchronous toothed belt 510 and the second synchronous toothed belt 520 can move at the same linear velocity, thereby facilitating the smooth connection of the fourth synchronous tooth 522 and the first synchronous tooth 511 at the force receiving groove 41 and facilitating the uniform motion of the scraper 31.
Referring to fig. 10, in the present embodiment, the apparatus further includes an aggregate banding assembly for making the cut colloid into a double-sided tape 80, and the aggregate banding assembly is disposed on the air outlet side of the bladeless fan 61. The rubber materials are immediately recycled and reproduced after being collected, so that the efficiency waste caused by rubber material re-transfer is avoided, and the pollution of the rubber is reduced as much as possible. Meanwhile, the double-sided adhesive tape 80 is made, can be repeatedly utilized and is convenient and quick to use.
The material collecting belt component comprises a quarter arc-shaped plate 71 and a material pressing roller 72, wherein the material pressing roller 72 is arranged on the inner side of the quarter arc-shaped plate 71, a material collecting extrusion groove 73 with a large top and a small bottom is formed between the material pressing roller 72 and the quarter arc-shaped plate 71, when the amount of colloid is small, the material collecting belt component does not work, after the colloid in the material collecting extrusion groove 73 is accumulated enough, the material pressing roller 72 is started, and the colloid is pressed by the material pressing roller 72 at the bottom of the material collecting extrusion groove 73 to form a rubber strip.
A collecting cover 74 for collecting the overflowing glue 12 is arranged between the upper side of the bladeless fan 61 and the top of the nip roll 72, an upper plate 75 is arranged between the lower side of the bladeless fan 61 and the upper end of the quarter-arc plate 71, and an air channel 76 is formed between the upper plate 75 and the collecting cover 74; an air outlet 77 is left between the collecting hood 74 and the nip roll 72. The air duct 76 and the air outlet 77 are passages for providing air flow for the bladeless fan 61, so that the glue can be collected, the air outlet 77 is disposed on the upper side of the nip roller 72, the air outlet 77 is kept at a certain height, and the glue has a certain weight, so that the glue strip is prevented from blowing out of the air outlet 77 along with flowing air. Secondly, wind blows out from the air outlet 77 between the compression roller and the collection cover 74, and colloid is probably taken away, but the colloid is heavier than the air, and the colloid that is brought to the air outlet 77 by the wind is laminated on the top surface of the compression roller, and the top of the compression roller rotates to the opposite direction of the wind direction, and can be brought to the aggregate extrusion groove 73.
The lower end of the quarter arc-shaped plate 71 extends towards one side of the bladeless fan 61 to form a lower plate 78, a bottom plate 79 is arranged on the lower side of the lower plate 78, and a channel for first release paper to pass through is arranged between the bottom plate 79 and the lower plate 78; the first release paper is supported on the lower surface of the glue strip at the bottom of the nip roll 72.
The glue outlet side of the material pressing roller 72 is sequentially provided with a guide roller 710 and a material rolling roller 711, the surface of the guide roller 710 is conveyed with second release paper 81 to be adhered to the upper surface of the adhesive tape, the first release paper, the adhesive tape and the second release paper 81 are combined into the double-sided adhesive tape 80 from bottom to top, and the material rolling roller 711 is used for rolling the double-sided adhesive tape 80.
Referring to fig. 11, in the present embodiment, a plurality of discharging guide grooves 71a are concavely formed on an inner surface of the quarter-arc plate 71, the quarter-arc plate 71 and the discharging guide grooves 71a are both configured to have a wide upper end and a narrow lower end, and a heating device 712 is disposed on an outer surface of the quarter-arc plate 71. Gaps are reserved among the colloids, certain fluidity is achieved after heating, the heated colloids need to be gathered, and finally the adhesive tapes with certain thickness and uniform thickness can be formed, so that the blanking guide grooves 71a need to be designed, and meanwhile, the blanking guide grooves 71a can accelerate the downward movement of the colloids.
A material finishing section 71b is reserved between the lower end of the blanking guide groove 71a and the lower end of the quarter arc-shaped plate 71; the design is that the lower end of the blanking guide groove 71a does not extend to the lower end of the quarter-arc plate 71, and the monolith section 71b is that the surface of the pressed rubber strip is flat.
In addition, it should be noted that, the hardness of the glass is greater than 6.5 according to the mohs hardness table, and in this embodiment, the material of the scraper 31 is selected from stainless steel with a hardness of 5.5 or iron with a hardness of less than 5, which is also sufficient for cutting off the overflow glue 12.
In a word, this device had both received the material convenient reliable high-efficient to the subassembly of collecting the colloid is also reliable ingenious, can also in time reproduce the utilization with the colloid of collecting, has market prospect in the median of actual production.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides an electronic touch screen frictioning device for strike off the excessive glue that produces all around at touch-sensitive screen body upper surface behind the glued touch-sensitive screen body of electronic equipment, its characterized in that includes:
the supporting plate is used for placing the electronic equipment glued with the touch screen body;
the annular frame type guide rail assembly is arranged around the support plate in a surrounding manner;
the scraper is used for scraping the overflowing glue on the upper surface of the touch screen body; one end of the scraper is provided with a guide post which is connected with the annular frame type guide rail component in a guiding way; the annular surface of the guide post is concavely provided with a stress groove;
the driving device is used for driving the scraper to move circumferentially along the periphery of the touch screen body; the driving device comprises a first synchronous toothed belt, wherein a first synchronous tooth is arranged on the inner surface of the first synchronous toothed belt and used for abutting against the stress groove; and
the bladeless fan is used for sucking excessive glue scraped by the scraper from the upper surface of the touch screen body; the air outlet side of the bladeless fan deviates from one side of the supporting plate.
2. The electronic touch screen glue scraping device of claim 1,
the adjacent straight edges of the annular frame type guide rail assembly are configured to be connected with arc guide rail sections;
the annular frame type guide rail assembly comprises an upper guide rail and a lower guide rail which are arranged in a stacked mode, wherein the upper guide rail is provided with an upper guide ring groove, and the lower guide rail is provided with a lower guide ring groove; the upper end of the guide post is arranged in the upper guide ring groove, the lower end of the guide post is arranged in the lower guide ring groove,
the scraper is provided with a cutter handle, and the scraper is connected with the guide column through the cutter handle;
the knife handle and the stress groove are arranged between the upper guide rail and the lower guide rail; the knife handle is arranged at the upper side of the stress groove;
the first synchronous toothed belt is wound outside the annular frame type guide rail assembly, and the first synchronous teeth penetrate between the upper guide rail and the lower guide rail and are abutted against the stress groove; the bottom surface of the force-bearing groove is configured to be a plane parallel to the axis of the guide post, and the side part of the first synchronous tooth abuts against the bottom surface of the force-bearing groove.
3. The electronic touch screen glue scraping device of claim 2,
the annular frame type guide rail assembly comprises a glue collecting side, the bladeless fan is arranged on the glue collecting side, the bladeless fan comprises a double-output-shaft motor, the double-output-shaft motor comprises an auxiliary motor shaft, the auxiliary motor shaft penetrates out of the bottom of the bladeless fan, and the auxiliary motor shaft is connected with a first gear for driving the first synchronous toothed belt; the first synchronous toothed belt comprises second synchronous teeth, the second synchronous teeth and the first synchronous teeth are distributed on the inner side of the first synchronous toothed belt in parallel, and the first gear is meshed with the second synchronous teeth;
the arc guide rail section is provided with a tension wheel, the tension wheel is arranged at the bottom of the lower guide rail, and the tension wheel is meshed with the second synchronous teeth.
4. The electronic touch screen frictioning device of claim 3, wherein the glue collecting side is configured with a second timing belt, the length direction of the second timing belt is distributed parallel to the glue collecting side, and the second timing belt is configured inside the circular frame type guide rail assembly; a reserved gap is reserved between the supporting plate and the glue collecting side and used for accommodating the second synchronous toothed belt;
the inner surface of the second synchronous toothed belt is provided with third synchronous teeth; the secondary motor shaft is connected with a second gear, a third gear is arranged in the second synchronous gear belt, the second gear is in transmission with the third gear belt, and the third gear is meshed with the third synchronous gear;
the first synchronous belt is configured as a trapezoidal tooth synchronous belt, and the first synchronous teeth are configured as trapezoidal teeth;
the outer surface of the second synchronous toothed belt is provided with a fourth synchronous tooth, the fourth synchronous tooth is configured into an inverted trapezoidal tooth, the tooth root width of the fourth synchronous tooth is equal to the tooth root width of the first synchronous tooth, and the tooth tip width of the fourth synchronous tooth is equal to the tooth root width of the first synchronous tooth;
when the first synchronous tooth belt is driven by the first gear and the first synchronous tooth is gradually far away from the outer side of the stress groove, the fourth synchronous tooth is gradually abutted to the inner side of the stress groove; when the first synchronous tooth is completely separated from the stress slot, the fourth synchronous tooth is abutted against the stress slot and drives the guide post to move along the glue collecting side.
5. The electronic touch screen glue scraping device of claim 4, wherein the first gear, the second gear and the third gear are all the same in radius.
6. The electronic touch screen glue scraping device of claim 1,
the double-faced adhesive tape is characterized by also comprising an aggregate banding component, wherein the aggregate banding component is used for preparing the cut colloid into double-faced adhesive tape and is arranged on the air outlet side of the bladeless fan;
the material collecting belt component comprises a quarter arc-shaped plate and a material pressing roller, wherein the material pressing roller is arranged on the inner side of the quarter arc-shaped plate, a material collecting extrusion groove with a large upper part and a small lower part is formed between the material pressing roller and the quarter arc-shaped plate, and the material pressing roller presses colloid at the bottom of the material collecting extrusion groove to form an adhesive tape;
a collecting cover for collecting overflowing glue is arranged between the upper side of the bladeless fan and the top of the nip roll, an upper plate is arranged between the lower side of the bladeless fan and the upper end of the quarter-arc plate, and an air channel is formed between the upper plate and the collecting cover; an air outlet is reserved between the collecting cover and the material pressing roller;
the lower end of the quarter arc plate extends to one side of the bladeless fan to form a lower plate, a bottom plate is arranged on the lower side of the lower plate, and a channel for first release paper to pass through is arranged between the bottom plate and the lower plate; the first release paper is supported on the lower surface of the adhesive tape at the bottom of the nip roll;
the adhesive discharging side of the pressure roller is sequentially provided with a guide roller and a material rolling roller, second anti-sticking paper is conveyed to the surface of the guide roller and attached to the upper surface of the adhesive tape, the first anti-sticking paper, the adhesive tape and the second anti-sticking paper are combined into a double-sided adhesive tape from bottom to top, and the material rolling roller is used for rolling the double-sided adhesive tape.
7. The electronic touch screen glue scraping device of claim 6, wherein a plurality of blanking guide grooves are concavely arranged on the inner surface of the quarter arc plate, the quarter arc plate and the blanking guide grooves are configured to be wide at the upper end and narrow at the lower end, and a material trimming section is left between the lower end of the blanking guide groove and the lower end of the quarter arc plate.
8. The electronic touch screen glue spreading device of claim 6 or 7, wherein the outer surface of the quarter-arc plate is provided with a heating device.
9. The electronic touch screen frictioning device of any one of claims 2-7, wherein the guiding post comprises an upper post and a lower post that are connected by screw threads, a stud is fixedly connected to a lower end surface of the upper post, and a screw hole matching the stud is configured on an upper end surface of the lower post; the upper column body is arranged in the upper guide ring groove, and the lower column body is arranged in the lower guide ring groove;
the stress groove is arranged on the lower column body;
the knife handle is pressed between the upper column body and the lower column body;
one side of the scraper, which is far away from the cutting edge, is provided with a rising curling section.
10. An electronic touch screen glue spreading device according to any one of claims 3 to 7, wherein the circumferential frame rail assemblies and the support plate are configured with a plurality of specifications to match touch screen bodies of different sizes; this album glues side middle part and disposes the bar fixing base of this album of gluey side of perpendicular to the outside, and this bladeless fan bottom disposes detachable fixing device along the length direction sliding connection of this bar fixing base between this bladeless fan bottom and this bar fixing base.
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| CN202110064092.XA CN112893029B (en) | 2021-01-18 | 2021-01-18 | Electronic touch screen frictioning device |
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| CN202110064092.XA CN112893029B (en) | 2021-01-18 | 2021-01-18 | Electronic touch screen frictioning device |
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