CN114733699A - Automatic dispensing method and device - Google Patents
Automatic dispensing method and device Download PDFInfo
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- CN114733699A CN114733699A CN202210416116.8A CN202210416116A CN114733699A CN 114733699 A CN114733699 A CN 114733699A CN 202210416116 A CN202210416116 A CN 202210416116A CN 114733699 A CN114733699 A CN 114733699A
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- fixedly connected
- plate
- glue
- base
- frame
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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
- B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
- B05C1/02—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to separate articles
- B05C1/027—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to separate articles only at particular parts of the articles
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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
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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
- B05C13/00—Means for manipulating or holding work, e.g. for separate articles
- B05C13/02—Means for manipulating or holding work, e.g. for separate articles for particular articles
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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
- B05C9/00—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important
- B05C9/08—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation
- B05C9/14—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation the auxiliary operation involving heating or cooling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/06—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to radiation
- B05D3/061—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to radiation using U.V.
- B05D3/065—After-treatment
- B05D3/067—Curing or cross-linking the coating
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Liquid Crystal (AREA)
Abstract
The invention belongs to the technical field of dispensing equipment, and particularly relates to automatic dispensing equipment which comprises a base and a liquid crystal display body, wherein one side of the top of the base is fixedly connected with four pillars which are arranged in a rectangular shape, the top ends of the four pillars are fixedly connected with the same curing box, the top of the curing box is provided with an opening, and the inner wall of the bottom of the curing box is provided with a curing lamp; it also discloses a dispensing method. Can adjust the position of UV glue groove in order to reach the LCD who adapts to different filling openings, application range has been improved, and realize automatic point through gluing tooth automatic rising and falling and glue, not only labour saving and time saving, need not artifical single-point operation, can also reach batch production's purpose, the production efficiency is greatly improved, simultaneously glue the tooth and move down the in-process and can also realize the automatic transfer to LCD, make its effect that can realize the fast curing through the curing lamp, whole easy operation, and is convenient, glue the accurate, even, high efficiency in production, convenient.
Description
Technical Field
The invention relates to the technical field of dispensing equipment, in particular to an automatic dispensing method and automatic dispensing equipment.
Background
When the liquid crystal display is produced, after liquid crystal is injected into the liquid crystal display, the injection port needs to be sealed; when the sealing is carried out, a syringe device is adopted to carry out production by pressing UV glue points in the syringe on the injection opening. During production, the UV glue is firstly added into the needle cylinder, then the UV glue is extruded out by controlling the pressure, then the UV glue is dotted on an injection opening of the liquid crystal display, and finally the purpose of sealing the injection opening is achieved by UV glue curing.
However, the sealing is performed by manual dispensing, which is insufficient in the past: 1. visual fatigue is easily caused by manual long-time dispensing, and the dispensing deviation can be caused by vision; 2. the manual glue dispensing can only dispense one injection opening at a time, the aim of batch glue dispensing cannot be achieved, and the automation degree is low; 3. the manual glue dispensing can not control the pressure of glue extrusion each time, so that the glue dispensing is not uniform each time, the condition of too much or too little glue extrusion exists, and the precision is low; 4. the manual dispensing work difficulty is big, wastes time and energy, needs to take off the LCD after the completion of each dispensing, puts on the LCD that needs the point to glue in addition and fixes a position, carries out the operation of gluing again at last, still needs two people to mutually support sometimes, leads to production efficiency to hang down. Therefore, an automatic dispensing method and apparatus are proposed to solve the above-mentioned problems.
Disclosure of Invention
The invention aims to solve the defects of time and labor waste, low precision, poor uniformity, low automation degree and incapability of realizing batch production in the prior art of manual glue dispensing, and provides an automatic glue dispensing method and equipment.
In order to achieve the purpose, the invention adopts the following technical scheme:
an automatic dispensing device comprises a base and a liquid crystal display body, wherein one side of the top of the base is fixedly connected with four pillars which are arranged in a rectangular shape, the top ends of the four pillars are fixedly connected with a curing box, the top of the curing box is provided with an opening, the inner wall of the bottom of the curing box is provided with a curing lamp, and the curing lamp is used for curing UV (ultraviolet) glue on the liquid crystal display body after dispensing;
the top of the base is rotatably connected with a rotating column, the top end of the rotating column is fixedly connected with a rotating table, two through holes are symmetrically formed in the top of the rotating table, a frame-shaped placing frame is movably placed in the through holes, and the frame-shaped placing frame is used for placing the liquid crystal display bodies in batches;
the other side of the top of the base is fixedly connected with a first vertical plate and a second vertical plate which are arranged in parallel respectively, the bottoms of the sides, close to each other, of the first vertical plate and the second vertical plate are rotatably connected with the same screw rod, one side of the top of the base is fixedly connected with a screw rod motor, one end of the screw rod penetrates through one side of the second vertical plate and is fixedly connected with an output shaft of the screw rod motor, and the top of the base is fixedly connected with a protective cover covering the outer side of the screw rod motor;
the outer wall of the screw rod is sleeved with a nut seat in a threaded manner, the bottom of the nut seat is connected with the top of the base in a sliding manner, one side of the top of the nut seat is fixedly connected with a fixed seat, the top of the fixed seat is provided with a UV glue groove, and the nut seat is provided with an automatic glue dispensing mechanism used for enabling UV glue in the UV glue groove to be automatically dispensed at an injection opening of the liquid crystal display body;
a driving mechanism for driving the rotating column to rotate intermittently is arranged on one side of the first vertical plate, which is far away from the second vertical plate;
a transmission mechanism for driving the driving mechanism to operate is arranged between the first vertical plate and the second vertical plate, and the transmission mechanism is matched with the automatic glue dispensing mechanism;
and the top of the base is provided with a limiting mechanism for limiting the rotation direction of the driving mechanism.
Preferably, the equal fixedly connected with backup pad of one side inner wall that the through-hole was kept away from each other, two reference columns of the symmetrical fixedly connected with in top of backup pad, the equal equidistance of one side inner wall that the frame shape rack was kept away from each other is equipped with a plurality of notches of placing that are used for placing the LCD body, and the bottom four corners of frame shape rack all is equipped with the constant head tank of pegging graft with the reference column location, two handles of the equal symmetrical fixedly connected with in top both sides of frame shape rack.
Preferably, the automatic glue dispensing mechanism is including seting up at the nut seat and being close to the installation notch of first riser one side, the inside fixedly connected with lift cylinder of installation notch, the output fixedly connected with of lift cylinder is located the U template of nut seat top, and one side of fixing base is located the U template, the equal fixedly connected with U type pole in top both sides of U template, the other end of two U type poles all extends to the same lifter plate of UV gluey inslot and fixedly connected with, the top equidistance of lifter plate is equipped with a plurality of rubberizing teeth.
Preferably, the driving mechanism comprises a rotating rod which is rotatably connected to one side of the first vertical plate, a driving bevel gear is fixedly sleeved at the other end of the rotating rod, and a driven bevel gear meshed with the driving bevel gear is fixedly sleeved on the outer wall of the rotating column.
Preferably, drive mechanism is including seting up the lift notch at first riser top, and the inner wall of lift notch has same slide with one side sliding connection of second riser, and the removal hole has been seted up to the inside of slide, and the fixing base passes and removes the hole, the first spring of the equal fixedly connected with in bottom four corners of slide, the bottom of first spring and the top fixed connection of base, the equal fixedly connected with extension board in one side that the U template was kept away from each other, and the top of extension board contacts with the bottom of slide.
Preferably, one side fixedly connected with rectangle post of slide, the bottom of rectangle post contacts with the top of base, and one side sliding connection of second riser is kept away from with the first riser to one side of rectangle post, the fixed cover of outer wall of bull stick is equipped with drive gear, one side that the rectangle post is close to the bull stick is vertical equidistance and is equipped with a plurality of spouts, the inside sliding connection of spout has the ratch, the one end of ratch extends to the outside of rectangle post and cooperates with drive gear meshing, the other end fixedly connected with second spring of ratch, the other end of second spring and the inner wall fixed connection of spout.
Preferably, stop gear includes the fixed column of fixed connection at the base top, and the fixed cover of outer wall of bull stick is equipped with the ratchet, and the fixed column is close to two connecting blocks of a lateral symmetry fixedly connected with of bull stick, rotates between two connecting blocks and is connected with same pivot, and the fixed cover of outer wall of pivot is equipped with the pawl that uses with the ratchet cooperation, and the outer wall symmetry cover of pivot is equipped with two torque spring, torque spring's both ends respectively with the one side of adjacent connecting block and the outer wall fixed connection of pivot.
Preferably, the bottom of the pawl is fixedly connected with a stop block, and the two connecting blocks are fixedly connected with a limiting block positioned below the rotating shaft.
Preferably, gaps are reserved between the two sides of the frame-shaped placing frame and the inner walls of the adjacent through holes.
An automatic dispensing method comprises the following steps:
s1, placing the LCD body injected with the liquid crystal into a placing notch on a frame-shaped placing rack, and downwards injecting the liquid crystal;
s2, placing the frame-shaped placing frame on the supporting plate in the through hole for positioning;
s3, starting a lead screw motor to adjust the position of the nut seat, and enabling the UV glue groove to be located below the injection port;
s4, starting the lifting cylinder to drive the lifting plate to move upwards, so that the gluing teeth can stick the UV glue in the UV glue groove on the injection port of the liquid crystal display body to achieve the purpose of sealing;
s5, starting the lifting cylinder again to drive the lifting plate to move downwards, in the process, driving the rotating column to rotate through the transmission coordination of the transmission mechanism and the driving mechanism, and simultaneously driving the rotating platform to rotate 180 degrees, so that the liquid crystal display body after glue dispensing is positioned right above the curing box;
and S6, rapidly curing the UV adhesive by turning on a curing lamp to finish sealing.
The invention has the beneficial effects that:
1. the position of the UV glue groove is adjusted by starting the screw motor, so that the method is suitable for the glue dispensing and sealing operation of liquid crystal displays with different injection ports, a jig does not need to be replaced, and the application range is wide;
2. the lifting cylinder is started to enable the gluing teeth to ascend, and the UV glue in the UV glue groove is upwards driven to be dispensed on the injection opening of the liquid crystal display body, so that the purpose of sealing is achieved, the process not only achieves the automatic glue dispensing effect and saves time and labor, but also can achieve batch glue dispensing, and the production efficiency is improved;
3. the dispensing force and uniformity of each time can be accurately controlled through mechanical automatic dispensing, so that the sealing effect of each liquid crystal display is consistent, defective products are reduced, and rework is avoided;
4. the redundant glue can automatically fall back to the UV glue groove below each time through the lifting and glue dispensing of the glue applying teeth, so that the collection is convenient, and meanwhile, the UV glue cannot be stained to other places of the liquid crystal display;
5. after automatic dispensing, the glue dispensing teeth move downwards to drive the rotating platform to rotate 180 degrees, so that the liquid crystal display subjected to glue dispensing is automatically transferred to the position right above the curing box, and the UV glue is rapidly cured by turning on the curing lamp.
According to the invention, the position of the UV glue groove can be adjusted to adapt to liquid crystal displays with different injection ports, the application range is improved, automatic glue dispensing is realized through automatic lifting of the glue dispensing teeth, time and labor are saved, manual single-point operation is not needed, the purpose of batch production can be achieved, the production efficiency is greatly improved, automatic transfer of the liquid crystal displays can be realized in the process of downward moving of the glue dispensing teeth, the effect of rapid curing can be realized through a curing lamp, the whole operation is simple and convenient, the glue dispensing is accurate and uniform, and the production is efficient and convenient.
Drawings
Fig. 1 is a perspective view of an overall structure of an automatic dispensing apparatus according to the present invention;
FIG. 2 is a perspective view of the automatic dispensing apparatus of the present invention, with the rotary table removed, showing the overall structure of FIG. 1;
fig. 3 is a perspective view of a rotary table structure of an automatic dispensing apparatus according to the present invention;
fig. 4 is a perspective view of a frame-shaped placement frame structure of an automatic dispensing device according to the present invention;
FIG. 5 is a front view of the overall structure of an automatic dispensing apparatus according to the present invention;
fig. 6 is a front sectional view of the overall structure of an automatic dispensing apparatus according to the present invention;
fig. 7 is a top view of an overall structure of an automatic dispensing apparatus according to the present invention;
fig. 8 is a top cross-sectional view of the overall structure of an automatic dispensing apparatus according to the present invention;
FIG. 9 is an enlarged view of a portion A of the automatic dispensing apparatus according to the present invention;
fig. 10 is an enlarged view of a part B of the automatic dispensing apparatus according to the present invention;
fig. 11 is a perspective view of a sliding plate structure of an automatic dispensing device according to the present invention;
fig. 12 is a side sectional view of the overall structure of an automatic dispensing apparatus according to the present invention;
fig. 13 is an enlarged view of a part C of the automatic dispensing apparatus according to the present invention;
fig. 14 is an enlarged view of a part D of the automatic dispensing apparatus according to the present invention;
fig. 15 is a perspective view of a dispensing mechanism of an automatic dispensing device according to the present invention;
fig. 16 is a perspective view of a connection structure of a U-shaped plate and a lifting plate of an automatic dispensing device according to the present invention.
In the figure: 1. a base; 2. a first vertical plate; 3. a pillar; 4. curing the box; 5. a second vertical plate; 6. rotating the column; 7. a rotating table; 8. a through hole; 9. a support plate; 10. a positioning column; 11. a curing light; 12. a frame-shaped placing rack; 13. placing the notch; 14. a liquid crystal display body; 15. a handle is lifted; 16. positioning a groove; 17. a screw rod; 18. a lead screw motor; 19. a protective cover; 20. a nut seat; 21. a fixed seat; 22. a UV glue groove; 23. installing a notch; 24. a lifting cylinder; 25. a U-shaped plate; 26. a U-shaped rod; 27. a lifting plate; 28. gluing teeth; 29. a lifting notch; 30. a slide plate; 31. moving the hole; 32. a first spring; 33. a support plate; 34. a rectangular column; 35. a rotating rod; 36. a driving bevel gear; 37. a driven bevel gear; 38. a transmission gear; 39. a chute; 40. a rack bar; 41. a second spring; 42. a ratchet wheel; 43. fixing a column; 44. connecting blocks; 45. a rotating shaft; 46. a pawl; 47. a torsion spring; 48. a stopper; 49. and a limiting block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-16, an automatic glue dispensing equipment, including base 1 and LCD body 14, four pillars 3 that are the rectangle and arrange are fixedly connected with to top one side of base 1, the same curing box 4 of top fixedly connected with of four pillars 3, and the top of curing box 4 is the opening setting, curing lamp 11 is installed to the bottom inner wall of curing box 4, curing lamp 11 is used for solidifying the UV glue on the LCD body 14 after the point is glued, base 1's top is rotated and is connected with and is rotated post 6, the top fixedly connected with revolving stage 7 of post 6 rotates, two through-holes 8 have been seted up to the top symmetry of revolving stage 7, frame shape rack 12 has been placed in the inside activity of through-hole 8, frame shape rack 12 is used for placing LCD body 14 in batches.
According to the invention, the inner walls of the sides, far away from each other, of the through holes 8 are fixedly connected with the supporting plates 9, the tops of the supporting plates 9 are symmetrically and fixedly connected with the two positioning columns 10, the inner walls of the sides, far away from each other, of the frame-shaped placing frames 12 are equidistantly provided with a plurality of placing notches 13 for placing the liquid crystal display bodies 14, four corners of the bottoms of the frame-shaped placing frames 12 are respectively provided with the positioning grooves 16 which are in positioning insertion connection with the positioning columns 10, two handles 15 are symmetrically and fixedly connected with two sides of the tops of the frame-shaped placing frames 12, two persons can conveniently lift the frame-shaped placing frames 12 at the same time through the handles 15 and place the frame-shaped placing frames 12 on the supporting plates 9 in the through holes 8, and the positioning grooves 16 are in positioning insertion connection with the positioning columns 10, so that the position positioning accuracy of the liquid crystal display bodies 14 can be ensured, and the placing stability can be improved.
In the invention, an automatic dispensing mechanism for automatically dispensing UV glue in a UV glue groove 22 at an injection opening of a liquid crystal display body 14 is arranged on a nut seat 20, the automatic dispensing mechanism comprises an installation notch 23 arranged on one side of the nut seat 20 close to a first vertical plate 2, a lifting cylinder 24 is fixedly connected inside the installation notch 23, the output end of the lifting cylinder 24 is fixedly connected with a U-shaped plate 25 positioned above the nut seat 20, one side of a fixed seat 21 is positioned in the U-shaped plate 25, two sides of the top of the U-shaped plate 25 are both fixedly connected with U-shaped rods 26, the other ends of the two U-shaped rods 26 extend into the UV glue groove 22 and are fixedly connected with a same lifting plate 27, a plurality of gluing teeth 28 are equidistantly arranged on the top of the lifting plate 27, the lifting cylinder 24 is started to drive the U-shaped plate 25 to ascend, the lifting plate 27 can be driven by the U-shaped rods 26 to ascend, and further drive the UV glue in the UV glue groove 22 upwards through the gluing teeth 28 and be dispensed on the injection opening of the liquid crystal display body 14, thereby achieving the purpose of sealing.
In the invention, a driving mechanism for driving the rotating column 6 to rotate intermittently is arranged on one side of the first vertical plate 2, which is far away from the second vertical plate 5, the driving mechanism comprises a rotating rod 35 which is rotatably connected on one side of the first vertical plate 2, a driving bevel gear 36 is fixedly sleeved on the other end of the rotating rod 35, a driven bevel gear 37 which is meshed with the driving bevel gear 36 is fixedly sleeved on the outer wall of the rotating column 6, and when the rotating rod 35 rotates, the rotating column 6 can be driven to rotate by the meshing of the driving bevel gear 36 and the driven bevel gear 37, so that the rotating effect of the rotating platform 7 is realized.
In the invention, a transmission mechanism for driving a driving mechanism to operate is arranged between a first vertical plate 2 and a second vertical plate 5, the transmission mechanism comprises a lifting notch 29 arranged at the top of the first vertical plate 2, the inner wall of the lifting notch 29 and one side of the second vertical plate 5 are connected with a same sliding plate 30 in a sliding manner, a moving hole 31 is arranged in the sliding plate 30, a fixed seat 21 passes through the moving hole 31, four corners of the bottom of the sliding plate 30 are fixedly connected with first springs 32, the bottom ends of the first springs 32 are fixedly connected with the top of a base 1, one sides of U-shaped plates 25 far away from each other are fixedly connected with a support plate 33, the top of the support plate 33 is contacted with the bottom of the sliding plate 30, when the lifting cylinder 24 drives the U-shaped plates 25 to ascend, the support plate 33 can drive the sliding plate 30 to slide upwards and stretch the first springs 32, when the lifting cylinder 24 drives the U-shaped plates 25 to descend, the sliding plate 30 can be driven to restore downwards by the elasticity of the first springs 32, and the lifting of the sliding plate 30 is not affected no matter the nut seat 20 moves to any position.
In the invention, one side of the sliding plate 30 is fixedly connected with a rectangular column 34, the bottom end of the rectangular column 34 is contacted with the top of the base 1, one side of the rectangular column 34 is connected with one side of the first vertical plate 2 far away from the second vertical plate 5 in a sliding way, the outer wall of the rotating rod 35 is fixedly sleeved with a transmission gear 38, one side of the rectangular column 34 near the rotating rod 35 is provided with a plurality of sliding grooves 39 in a vertical equidistant way, the inside of the sliding grooves 39 is connected with a toothed rod 40 in a sliding way, one end of the toothed rod 40 extends to the outer side of the rectangular column 34 and is meshed and matched with the transmission gear 38, the other end of the toothed rod 40 is fixedly connected with a second spring 41, the other end of the second spring 41 is fixedly connected with the inner wall of the sliding grooves 39, when the rectangular column 34 drives the toothed rod 40 to move upwards, the toothed rod 40 is pressed inwards by the transmission gear 38 to slide and extrude the second spring 41, therefore, when the rectangular column 34 moves upwards, the rotating rod 35 is not driven to rotate, and when the toothed rod 40 moves downwards by the rectangular column 34, the rack bar 40 can drive the rotating rod 35 to rotate through the meshing with the transmission gear 38, so that the effect of equidirectional and intermittent rotation of the rotating rod 35 is achieved.
According to the invention, the top of the base 1 is provided with a limiting mechanism for limiting the rotation direction of the driving mechanism, the limiting mechanism comprises a fixed column 43 fixedly connected to the top of the base 1, the outer wall of the rotating rod 35 is fixedly sleeved with a ratchet wheel 42, one side of the fixed column 43 close to the rotating rod 35 is symmetrically and fixedly connected with two connecting blocks 44, the same rotating shaft 45 is rotatably connected between the two connecting blocks 44, the outer wall of the rotating shaft 45 is fixedly sleeved with a pawl 46 matched with the ratchet wheel 42 for use, the outer wall of the rotating shaft 45 is symmetrically sleeved with two torsion springs 47, two ends of each torsion spring 47 are respectively fixedly connected with one side of the adjacent connecting block 44 and the outer wall of the rotating shaft 45, and through the matching of the ratchet wheel 42 and the pawl 46, the rotating rod 35 can only rotate along one direction, and the rotating rod 35 is prevented from reversely rotating.
In the invention, the bottom of the pawl 46 is fixedly connected with a stop block 48, a same limit block 49 positioned below the rotating shaft 45 is fixedly connected between the two connecting blocks 44, and the stop block 48 is in limit fit with the limit block 49, so that the pawl 46 can be rotationally limited, and the rotation of the ratchet wheel 42 is conveniently limited.
In the invention, gaps are reserved between the two sides of the frame-shaped placing frame 12 and the inner walls of the adjacent through holes 8, and through the arrangement of the gaps, the effect of abdicating can be achieved when the U-shaped plate 25 drives the U-shaped rod 26 to ascend, so that the U-shaped rod is prevented from being abutted against the bottom of the frame-shaped placing frame 12.
An automatic dispensing method comprises the following steps:
s1, placing the LCD body 14 into the notch 13 of the frame-shaped placing rack 12, and placing the injection port downwards;
s2, placing the frame-shaped placing frame 12 on the supporting plate 9 in the through hole 8 for positioning;
s3, starting the lead screw motor 18 to adjust the position of the nut seat 20, so that the UV glue groove 22 is positioned below the injection port;
s4, starting the lifting cylinder 24 to drive the lifting plate 27 to move upwards, so that the gluing teeth 28 can glue the UV glue in the UV glue groove 22 on the injection port of the LCD body 14 to achieve the purpose of sealing;
s5, starting the lifting cylinder 24 again to drive the lifting plate 27 to move downwards, in the process, driving the rotating column 6 to rotate through the transmission cooperation of the transmission mechanism and the driving mechanism, and driving the rotating platform 7 to rotate 180 degrees at the same time, so that the liquid crystal display body 14 after glue dispensing is positioned right above the curing box 4;
and S6, rapidly curing the UV adhesive by turning on the curing lamp 11 to finish sealing.
In the invention, firstly, a liquid crystal display body 14 filled with liquid crystal is placed in a placing notch 13 on a frame-shaped placing frame 12 close to one side of a second vertical plate 5, an injection opening is downward, the frame-shaped placing frame 12 is placed on a supporting plate 9 in a through hole 8 and is positioned by a positioning column 10 and a positioning groove 16, then a lead screw motor 18 is started to drive a lead screw 17 to rotate, a nut seat 20 is simultaneously driven to move, the position of a fixing seat 21 is adjusted by the nut seat 20, a UV glue groove 22 is aligned with the injection opening, then a lifting cylinder 24 is started to drive a U-shaped plate 25 to ascend, a lifting plate 27 can be driven to ascend by a U-shaped rod 26, UV glue in the UV glue groove 22 is further driven upwards by gluing teeth 28 and is spotted on the injection opening of the liquid crystal display body 14, so as to achieve the purpose of sealing, in the ascending process of the U-shaped plate 25, a sliding plate 30 can be driven by a supporting plate 33 to slide upwards and stretch a first spring 32, the slide plate 30 drives the rectangular column 34 to move upwards at the same time, because the rotating rod 35 cannot rotate at this time under the rotation limit of the ratchet wheel 42 and the pawl 46, and the toothed bar 40 slides inwards under the interference of the transmission gear 38 and extrudes the second spring 41, the rotating rod 35 cannot be driven to rotate when the rectangular column 34 moves upwards, after the glue dispensing is finished, the lifting cylinder 24 is started again to drive the U-shaped plate 25 to move downwards, so that the gluing teeth 28 return to the UV glue groove 22 again, meanwhile, the slide plate 30 automatically resets downwards under the elastic force of the first spring 32 and drives the rectangular column 34 to move downwards, at this time, the rotating rod 35 can be driven to rotate by the meshing of the toothed bar 40 and the transmission gear 38, and further the rotating column 6 is driven to rotate by the meshing motion of the driving bevel gear 36 and the driven bevel gear 37, and the rotating platform 7 is driven to rotate 180 degrees, so that the liquid crystal display body 14 after the glue dispensing is positioned right above the curing box 4, the curing lamp 11 is started to rapidly cure the UV glue, sealing is completed, the vacant through hole 8 is transferred to the upper side of the UV glue groove 22, the frame-shaped placing frame 12 can be placed into the UV glue groove again to perform batch glue dispensing on the liquid crystal display body 14, the cured liquid crystal display body 14 can be directly taken down, and automatic batch glue dispensing is achieved through the circulating operation.
However, as is well known to those skilled in the art, the working principle and wiring method of the curing light 11, the lead screw motor 18 and the lifting cylinder 24 are common and are conventional means or common knowledge, and will not be described herein, and those skilled in the art can make any choice according to their needs or convenience.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. An automatic dispensing device comprises a base (1) and a liquid crystal display body (14), and is characterized in that four support columns (3) which are arranged in a rectangular shape are fixedly connected to one side of the top of the base (1), the top ends of the four support columns (3) are fixedly connected with a curing box (4), the top of the curing box (4) is provided with an opening, a curing lamp (11) is installed on the inner wall of the bottom of the curing box (4), and the curing lamp (11) is used for curing UV glue on the liquid crystal display body (14) after dispensing;
the top of the base (1) is rotatably connected with a rotating column (6), the top end of the rotating column (6) is fixedly connected with a rotating table (7), two through holes (8) are symmetrically formed in the top of the rotating table (7), a frame-shaped placing frame (12) is movably placed in the through holes (8), and the frame-shaped placing frame (12) is used for placing the liquid crystal display bodies (14) in batches;
the other side of the top of the base (1) is fixedly connected with a first vertical plate (2) and a second vertical plate (5) which are arranged in parallel, the bottom of one side, close to each other, of the first vertical plate (2) and the bottom of one side, close to each other, of the second vertical plate (5) are connected with a same lead screw (17) in a rotating mode, one side of the top of the base (1) is fixedly connected with a lead screw motor (18), one end of the lead screw (17) penetrates through one side of the second vertical plate (5) and is fixedly connected with an output shaft of the lead screw motor (18), and the top of the base (1) is fixedly connected with a protective cover (19) which covers the outer side of the lead screw motor (18);
the outer wall of the screw rod (17) is sleeved with a nut seat (20) in a threaded manner, the bottom of the nut seat (20) is in sliding connection with the top of the base (1), one side of the top of the nut seat (20) is fixedly connected with a fixed seat (21), the top of the fixed seat (21) is provided with a UV glue groove (22), and the nut seat (20) is provided with an automatic glue dispensing mechanism for enabling UV glue in the UV glue groove (22) to be automatically dispensed at an injection port of the liquid crystal display body (14);
a driving mechanism for driving the rotating column (6) to rotate intermittently is arranged on one side, far away from the second vertical plate (5), of the first vertical plate (2);
a transmission mechanism for driving the driving mechanism to operate is arranged between the first vertical plate (2) and the second vertical plate (5), and the transmission mechanism is matched with the automatic glue dispensing mechanism;
the top of the base (1) is provided with a limiting mechanism used for limiting the rotation direction of the driving mechanism.
2. The automatic dispensing equipment of claim 1, wherein the inner wall of one side of the through hole (8) away from each other is fixedly connected with a supporting plate (9), the top of the supporting plate (9) is symmetrically and fixedly connected with two positioning columns (10), the inner wall of one side of the frame-shaped placing frame (12) away from each other is equidistantly provided with a plurality of placing notches (13) for placing the liquid crystal display body (14), the four corners of the bottom of the frame-shaped placing frame (12) are respectively provided with positioning grooves (16) which are in positioning insertion connection with the positioning columns (10), and the two lifting handles (15) are symmetrically and fixedly connected with the two sides of the top of the frame-shaped placing frame (12).
3. The automatic dispensing equipment of claim 1, wherein the automatic dispensing mechanism comprises an installation notch (23) formed in one side, close to the first vertical plate (2), of the nut base (20), the lifting cylinder (24) is fixedly connected to the inner portion of the installation notch (23), the output end of the lifting cylinder (24) is fixedly connected with a U-shaped plate (25) located above the nut base (20), one side of the fixing base (21) is located in the U-shaped plate (25), U-shaped rods (26) are fixedly connected to two sides of the top of the U-shaped plate (25), the other ends of the two U-shaped rods (26) extend into the UV glue groove (22) and are fixedly connected with the same lifting plate (27), and a plurality of gluing teeth (28) are arranged on the top of the lifting plate (27) at equal intervals.
4. An automatic dispensing device as claimed in claim 1, characterized in that said actuating means comprise a rotary rod (35) rotatably connected to one side of said first vertical plate (2), said rotary rod (35) being fixed at its other end to a driving bevel gear (36), and said rotary column (6) being fixed at its outer wall to a driven bevel gear (37) engaging with said driving bevel gear (36).
5. The automatic dispensing equipment of claim 1, wherein the transmission mechanism comprises a lifting notch (29) formed in the top of the first vertical plate (2), the inner wall of the lifting notch (29) is connected with the same sliding plate (30) in a sliding manner with one side of the second vertical plate (5), a moving hole (31) is formed in the sliding plate (30), the fixing seat (21) penetrates through the moving hole (31), the four corners of the bottom of the sliding plate (30) are fixedly connected with first springs (32), the bottom end of each first spring (32) is fixedly connected with the top of the base (1), one side, away from each other, of the U-shaped plate (25) is fixedly connected with a support plate (33), and the top of each support plate (33) is in contact with the bottom of the sliding plate (30).
6. An automatic dispensing device according to claim 5, characterized in that a rectangular column (34) is fixedly connected to one side of the sliding plate (30), the bottom end of the rectangular column (34) is in contact with the top of the base (1), and one side sliding connection that second riser (5) were kept away from to one side of rectangle post (34) and first riser (2), the fixed cover of outer wall of bull stick (35) is equipped with drive gear (38), one side that rectangle post (34) are close to bull stick (35) is vertical equidistance and is equipped with a plurality of spouts (39), the inside sliding connection of spout (39) has ratch (40), the one end of ratch (40) extends to the outside of rectangle post (34) and meshes the cooperation with drive gear (38), the other end fixedly connected with second spring (41) of ratch (40), the other end of second spring (41) and the inner wall fixed connection of spout (39).
7. The automatic dispensing equipment according to claim 4, wherein the limiting mechanism comprises a fixing column (43) fixedly connected to the top of the base (1), a ratchet (42) is fixedly sleeved on the outer wall of the rotating rod (35), two connecting blocks (44) are symmetrically and fixedly connected to one side of the fixing column (43) close to the rotating rod (35), the same rotating shaft (45) is rotatably connected between the two connecting blocks (44), a pawl (46) matched with the ratchet (42) is fixedly sleeved on the outer wall of the rotating shaft (45), two torsion springs (47) are symmetrically sleeved on the outer wall of the rotating shaft (45), and two ends of each torsion spring (47) are fixedly connected with one side of the adjacent connecting block (44) and the outer wall of the rotating shaft (45) respectively.
8. The automatic dispensing equipment of claim 7, wherein a stop block (48) is fixedly connected to the bottom of the pawl (46), and a stop block (49) located below the rotating shaft (45) is fixedly connected between the two connecting blocks (44).
9. The automatic dispensing equipment according to claim 1, characterized in that gaps are left between both sides of the frame-shaped placing rack (12) and the inner walls of the adjacent through holes (8).
10. A dispensing method of an automatic dispensing apparatus according to any one of claims 1 to 9, comprising the steps of:
s1, firstly, placing the LCD body (14) injected with the liquid crystal in a placing notch (13) on a frame-shaped placing rack (12), and downwards injecting the liquid crystal;
s2, placing the frame-shaped placing rack (12) on the supporting plate (9) in the through hole (8) for positioning;
s3, starting a lead screw motor (18) to adjust the position of a nut seat (20) to enable a UV glue groove (22) to be positioned below the injection port;
s4, starting the lifting cylinder (24) to drive the lifting plate (27) to move upwards, so that the gluing teeth (28) can stick the UV glue in the UV glue groove (22) to the injection port of the liquid crystal display body (14) to achieve the purpose of sealing;
s5, starting the lifting cylinder (24) again to drive the lifting plate (27) to move downwards, in the process, driving the rotating column (6) to rotate through the transmission matching of the transmission mechanism and the driving mechanism, and simultaneously driving the rotating platform (7) to rotate 180 degrees, so that the liquid crystal display body (14) after dispensing is positioned right above the curing box (4);
and S6, rapidly curing the UV adhesive by turning on the curing lamp (11) to finish sealing.
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| CN114733699B (en) | 2023-01-20 |
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