CN114082625A - Automatic spraying process for television backboard - Google Patents
Automatic spraying process for television backboard Download PDFInfo
- Publication number
- CN114082625A CN114082625A CN202010853843.1A CN202010853843A CN114082625A CN 114082625 A CN114082625 A CN 114082625A CN 202010853843 A CN202010853843 A CN 202010853843A CN 114082625 A CN114082625 A CN 114082625A
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- China
- Prior art keywords
- spraying
- television
- conveying device
- sprayed
- box
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- Pending
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- 238000005507 spraying Methods 0.000 title claims abstract description 98
- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000001035 drying Methods 0.000 claims abstract description 56
- 238000004140 cleaning Methods 0.000 claims abstract description 24
- 239000000428 dust Substances 0.000 claims abstract description 5
- 239000012535 impurity Substances 0.000 claims abstract description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 238000002347 injection Methods 0.000 claims description 8
- 239000007924 injection Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 8
- 239000007921 spray Substances 0.000 claims description 5
- 241000826860 Trapezium Species 0.000 claims description 4
- 238000007664 blowing Methods 0.000 claims description 4
- 238000005485 electric heating Methods 0.000 claims description 2
- 238000004080 punching Methods 0.000 abstract description 11
- 230000007547 defect Effects 0.000 abstract description 4
- 239000002344 surface layer Substances 0.000 abstract description 2
- 239000003973 paint Substances 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Classifications
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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
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/22—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to internal surfaces, e.g. of tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
- B05B13/0278—Arrangement or mounting of spray heads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/06—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00 specially designed for treating the inside of hollow bodies
- B05B13/0627—Arrangements of nozzles or spray heads specially adapted for treating the inside of hollow bodies
- B05B13/0636—Arrangements of nozzles or spray heads specially adapted for treating the inside of hollow bodies by means of rotatable spray heads or nozzles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B16/00—Spray booths
- B05B16/20—Arrangements for spraying in combination with other operations, e.g. drying; Arrangements enabling a combination of spraying operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B16/00—Spray booths
- B05B16/90—Spray booths comprising conveying means for moving objects or other work to be sprayed in and out of the booth, e.g. through the booth
- B05B16/95—Spray booths comprising conveying means for moving objects or other work to be sprayed in and out of the booth, e.g. through the booth the objects or other work to be sprayed lying on, or being held above the conveying means, i.e. not hanging from the conveying means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
- B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
- B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
- B05B9/0403—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump with pumps for liquids or other fluent material
-
- 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
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/02—Processes for applying liquids or other fluent materials performed by spraying
-
- 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
- B05D3/002—Pretreatement
-
- 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
- B05D3/04—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 gases
- B05D3/0406—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 gases the gas being air
- B05D3/0413—Heating with air
-
- 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
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/22—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to internal surfaces, e.g. of tubes
- B05D7/227—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to internal surfaces, e.g. of tubes of containers, cans or the like
-
- 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
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/24—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
- B05D7/26—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials synthetic lacquers or varnishes
-
- 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
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/50—Multilayers
- B05D7/52—Two layers
- B05D7/54—No clear coat specified
- B05D7/542—No clear coat specified the two layers being cured or baked together
Abstract
The invention discloses an automatic spraying process of a television backboard, and relates to the technical field of surface layer spraying. An automatic spraying process of a television backboard comprises the following steps: s1: feeding, namely mounting the television backboard which is not sprayed on a rotary clamp of a conveying device; s2: cleaning, namely enabling the television backboard which is not sprayed to enter a cleaning box along with a conveying device for cleaning to remove dust and impurities on the surface; s3: drying for the first time, wherein the television backboard which is not sprayed enters a first drying box along with a conveying device for drying; s4: and (3) spraying for the first time, wherein the television backboard which is not sprayed enters a first spraying box along with the conveying device for surface spraying. According to the invention, after the television backboard enters the second spraying box, the side nozzle can enter each punching hole of the backboard profile, and the punching holes and the inner wall of the groove are sprayed by the rotation of the rotary holder, so that the defect that the inner wall of the punching-grade groove cannot be fully sprayed in the prior art is effectively solved.
Description
Technical Field
The invention relates to the technical field of surface layer spraying, in particular to an automatic spraying process of a television backboard.
Background
With the continuous development of economy, flat panel televisions are continuously updated. In a flat-panel television, a television back plate is a very common plate which is mainly used for the back of the television and is not seen by people, so that the television back plate is easy to ignore by people. But the back plate is the heart area close to the television and is mainly used for protecting and isolating important parts and components from being damaged. Moreover, with the pursuit of visual effect by people, more and more flat-panel televisions are required to develop backplanes with different effects so as to meet the increasing demands of consumers. At present, the production of the television backplane of the flat panel television mainly comprises: the method comprises the steps of feeding, stamping, tapping, riveting by a punch press, spraying, packaging and the like, wherein the spraying process has great influence on the television backboard. In the prior art, the spraying treatment aiming at the surface process of the television backboard is mostly processed by adopting the steps of static spraying, high-temperature baking, leveling and curing and the like, wherein the reasonable design of the spraying equipment plays an important role in the spraying process of the television backboard.
Because the outer surface of the television back plate is provided with a plurality of open holes and other groove profiles, when the existing spraying device is used for spraying the television back plate, the inner walls of the groove profiles of the punching machines are often not uniformly sprayed, so that the finished products are unqualified.
Disclosure of Invention
The invention aims to provide an automatic spraying process of a television backboard, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: an automatic spraying process of a television backboard comprises the following steps:
s1: feeding, namely mounting the television backboard which is not sprayed on a rotary clamp of a conveying device;
s2: cleaning, namely enabling the television backboard which is not sprayed to enter a cleaning box along with a conveying device for cleaning to remove dust and impurities on the surface;
s3: drying for the first time, wherein the television backboard which is not sprayed enters a first drying box along with a conveying device for drying;
s4: spraying for the first time, wherein the television backboard which is not sprayed enters a first spraying box along with a conveying device for surface spraying;
s5: spraying for the second time, wherein the sprayed material enters a second spraying box along with the conveying device to be punched or sprayed on the side wall of the depression;
s6: drying for the second time, wherein the television backboard after the second spraying enters a second drying box along with the conveying device to be dried to obtain a finished product;
s7: and (5) blanking, and unloading the finished product from a rotary clamp of the conveying device.
Furthermore, the first drying box and the second drying box adopt electric heating air blowing drying boxes, the length of the first drying box and the length of the second drying box are 3-5m, and the temperature of the first drying box and the second drying box is controlled within the range of 180-200 ℃ during drying.
Furthermore, the cleaning box is a three-dimensional flow spraying cleaning device.
Further, the both sides inner wall of second spraying case is close to top department and rotates and be connected with the lead screw, and screw connection has the motor, the lead screw outer wall rotates through the screw thread and is connected with the lead screw slider, the cylinder is installed to lead screw slider bottom, the cylinder bottom has the mounting panel through the bolt fastening, rotatory cloud platform is installed through the bolt to the mounting panel, rotatory cloud platform bottom has the side nozzle through the bolt fastening, the lead screw slider outside has the connection steel pipe through the bolt fastening, and the both ends of connecting the steel pipe are connected with first screwed pipe and second screwed pipe respectively, the low side and the side nozzle of second screwed pipe are connected.
Furthermore, guide rods are fixed on the inner walls of the two sides of the second spraying box close to the bottom of the lead screw through bolts, guide holes which are horizontally communicated are formed in the bottom of the lead screw sliding block, and the guide rods are limited in the guide holes.
Furthermore, the first threaded pipe and the second threaded pipe are made of soft PP plastic materials.
Furthermore, the side nozzle comprises booster pump, injection portion and underseal triplex, injection portion center department opens there is perpendicular chamber, erect the discharge end intercommunication of chamber and booster pump, the injection portion outer wall open have the equidistance distribute and with erect the line type orifice that the chamber communicates, the perpendicular cross-section of line type orifice is the trapezium structure, the underseal passes through the screw fixation in injection portion bottom.
Further, the number of the linear jet holes is 3-8.
Compared with the prior art, the invention has the beneficial effects that:
the process and the device can effectively carry out production line type spraying production on the television backboard, improve the production efficiency, enable the side nozzles to enter each punching hole of the backboard profile after the television backboard enters the second spraying box, realize spraying on the punching holes and the inner wall of the groove by the rotation of the rotary holder, and effectively solve the defect that the inner wall of the punching-grade groove cannot be fully sprayed in the prior art.
Drawings
FIG. 1 is a schematic flow diagram of the present invention;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a schematic view of a second spray booth of the present invention;
FIG. 4 is a schematic side view of the nozzle of the present invention.
In the figure: 1. a conveying device; 101. rotating the clamp; 2. a cleaning tank; 3. a first drying box; 4. a first spray tank; 5. a second spray box; 501. a lead screw; 502. a motor; 503. a lead screw slider; 504. a cylinder; 505. mounting a plate; 506. rotating the holder; 507. connecting the steel pipes; 508. a first threaded pipe; 509. a second threaded pipe; 510. a guide bar; 6. a second drying box; 7. a paint tank; 8. a side nozzle; 801 a booster pump; 802. a vertical cavity; 803. linear spray holes; 804. and (7) sealing the bottom.
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. 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 in the description of the present invention, the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of description and simplification of description, and do not indicate or imply that the referred device or element must have a specific orientation, be configured in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Further, it will be appreciated that the dimensions of the various elements shown in the figures are not drawn to scale, for ease of description, and that the thickness or width of some layers may be exaggerated relative to other layers, for example.
It should be noted that like reference numerals and letters refer to like items in the following figures, and thus, once an item is defined or illustrated in one figure, it will not need to be further discussed or illustrated in detail in the description of the following figure.
Example one
As shown in fig. 1 to 4, the present invention provides a technical solution: an automatic spraying process of a television backboard comprises the following steps:
s1: feeding, namely installing the television backboard which is not sprayed on a rotary clamp 101 of the conveying device 1;
s2: cleaning, namely enabling the television backboard which is not sprayed to enter a cleaning box 2 along with the conveying device 1 for cleaning to remove dust and impurities on the surface;
s3: drying for the first time, wherein the television backboard which is not sprayed enters a first drying box 3 along with the conveying device 1 for drying;
s4: spraying for the first time, wherein the television backboard which is not sprayed enters a first spraying box 4 along with the conveying device 1 for surface spraying;
s5: the second spraying, the first sprayed material enters a second spraying box 5 along with the conveying device 1 to be punched or sprayed on the side wall of the concave part;
s6: drying for the second time, wherein the television backboard after the second spraying enters a second drying box 6 along with the conveying device 1 to be dried to obtain a finished product;
s7: blanking and discharging the finished product from the rotary jig 101 of the conveyor 1.
The conveying device 1 adopts a belt conveyor, and a rotary clamp 101 matched with the belt conveyor is arranged on the belt conveyor according to television backboards with different specifications.
The first drying box 3 and the second drying box 6 adopt an electrothermal blowing drying box, the length of the first drying box 3 and the second drying box 6 is 4.8m, the temperature of the first drying box 3 and the second drying box 6 is controlled within 180 ℃ interval during drying, the cleaning box 2 is a three-dimensional flow spraying cleaning device, the inner walls of two sides of the second spraying box 5 are rotatably connected with a screw 501 near the top, the screw 501 is connected with a motor 502, the outer wall of the screw 501 is rotatably connected with a screw slider 503 through screw threads, the bottom of the screw slider 503 is provided with an air cylinder 504, the bottom of the air cylinder 504 is fixedly provided with a mounting plate 505 through bolts, the mounting plate 505 is provided with a rotating pan-tilt head 506 through bolts, the bottom of the rotating pan-tilt head 506 is fixedly provided with a side nozzle 8 through bolts, the outer side of the screw slider 503 is fixedly provided with a connecting steel pipe 507 through bolts, the two ends of the connecting steel pipe 507 are respectively connected with a first threaded pipe 508 and a second threaded pipe 509, the lower end of the second threaded pipe 509 is connected with the side nozzle 8, the top of the first spraying box 4 is provided with a paint tank 7, the paint tank 7 provides spraying raw materials for the first spraying box 4 and the second spraying box 5, the first hose 508 is connected with the paint tank 7 through a pipeline connector, the inner walls of the two sides of the second spraying box 5 are close to the bottom of the screw rod 501 and are fixed with a guide rod 510 through a bolt, the bottom of the screw rod slide block 503 is provided with a guide hole which is horizontally penetrated, the guide rod 510 is limited in the guide hole, the first threaded pipe 508 and the second threaded pipe 509 are made of soft PP plastic materials, the side nozzle 8 is made of a booster pump 801, the spraying part and the bottom seal 804 constitute, the department of spraying part center opens has vertical cavity 802, vertical cavity 802 and the discharge end of booster pump 801 intercommunication, the spraying part outer wall opens the equidistant linear orifice 803 that distributes and communicate with vertical cavity 802, the vertical section of linear orifice 803 is the trapezium structure, the bottom seal 804 is fixed in the spraying part bottom through the screw, the quantity of linear orifice 803 is 4.
The whole set of system realizes control through external PLC control system, and TV backplate is getting into washing case 2, first stoving case 3, first spraying case 4, 5 grades of second stoving casees of second spraying case 6, and PLC control system all controls rotary fixture 101 and carries out the rotation of corresponding angle and make each step can go on more fully. The movement track of the side nozzle 8 is set in the control system in advance according to the television backboards of different specifications, after the television backboards enter the second spraying box 5, the side nozzle 8 can enter each punching hole of the back board profile, the punching holes and the inner wall of the groove are sprayed by rotation of the rotary holder, and the defect that the inner wall of the punching-level groove cannot be sufficiently sprayed in the prior art is effectively overcome.
Example two
As shown in fig. 1 to 4, the present invention provides a technical solution: an automatic spraying process of a television backboard comprises the following steps:
s1: feeding, namely installing the television backboard which is not sprayed on a rotary clamp 101 of the conveying device 1;
s2: cleaning, namely enabling the television backboard which is not sprayed to enter a cleaning box 2 along with the conveying device 1 for cleaning to remove dust and impurities on the surface;
s3: drying for the first time, wherein the television backboard which is not sprayed enters a first drying box 3 along with the conveying device 1 for drying;
s4: spraying for the first time, wherein the television backboard which is not sprayed enters a first spraying box 4 along with the conveying device 1 for surface spraying;
s5: the second spraying, the first sprayed material enters a second spraying box 5 along with the conveying device 1 to be punched or sprayed on the side wall of the concave part;
s6: drying for the second time, wherein the television backboard after the second spraying enters a second drying box 6 along with the conveying device 1 to be dried to obtain a finished product;
s7: blanking and discharging the finished product from the rotary jig 101 of the conveyor 1.
The conveying device 1 adopts a belt conveyor, and a rotary clamp 101 matched with the belt conveyor is arranged on the belt conveyor according to television backboards with different specifications.
The first drying box 3 and the second drying box 6 adopt an electrothermal blowing drying box, the length of the first drying box 3 and the second drying box 6 is 4.8m, the temperature of the first drying box 3 and the second drying box 6 is controlled within a 200 ℃ range during drying, the cleaning box 2 is a three-dimensional flow spraying cleaning device, the inner walls of two sides of the second spraying box 5 are rotatably connected with a screw 501 near the top, the screw 501 is connected with a motor 502, the outer wall of the screw 501 is rotatably connected with a screw slider 503 through threads, the bottom of the screw slider 503 is provided with an air cylinder 504, the bottom of the air cylinder 504 is fixedly provided with a mounting plate 505 through bolts, the mounting plate 505 is provided with a rotating pan-tilt head 506 through bolts, the bottom of the rotating pan-tilt head 506 is fixedly provided with a side nozzle 8 through bolts, the outer side of the screw slider 503 is fixedly provided with a connecting steel pipe 507 through bolts, the two ends of the connecting steel pipe 507 are respectively connected with a first threaded pipe 508 and a second threaded pipe 509, the lower end of the second threaded pipe 509 is connected with the side nozzle 8, the top of the first spraying box 4 is provided with a paint tank 7, the paint tank 7 provides spraying raw materials for the first spraying box 4 and the second spraying box 5, the first hose 508 is connected with the paint tank 7 through a pipeline connector, the inner walls of the two sides of the second spraying box 5 are close to the bottom of the screw rod 501 and are fixed with a guide rod 510 through a bolt, the bottom of the screw rod slide block 503 is provided with a guide hole which is horizontally penetrated, the guide rod 510 is limited in the guide hole, the first threaded pipe 508 and the second threaded pipe 509 are made of soft PP plastic materials, the side nozzle 8 is made of a booster pump 801, the spraying part and the bottom seal 804 constitute, the department of spraying part center opens has vertical cavity 802, vertical cavity 802 and the discharge end of booster pump 801 intercommunication, the spraying part outer wall opens the equidistant linear orifice 803 that distributes and communicate with vertical cavity 802, the vertical section of linear orifice 803 is the trapezium structure, the bottom seal 804 is fixed in the spraying part bottom through the screw, the quantity of linear orifice 803 is 6.
The whole set of system realizes control through external PLC control system, and TV backplate is getting into washing case 2, first stoving case 3, first spraying case 4, 5 grades of second stoving casees of second spraying case 6, and PLC control system all controls rotary fixture 101 and carries out the rotation of corresponding angle and make each step can go on more fully. The movement track of the side nozzle 8 is set in the control system in advance according to the television backboards of different specifications, after the television backboards enter the second spraying box 5, the side nozzle 8 can enter each punching hole of the back board profile, the punching holes and the inner wall of the groove are sprayed by rotation of the rotary holder, and the defect that the inner wall of the punching-level groove cannot be sufficiently sprayed in the prior art is effectively overcome.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. An automatic spraying process of a television backboard is characterized by comprising the following steps: the method comprises the following steps:
s1: feeding, namely mounting the uncoated TV backboard on a rotary clamp (101) of a conveying device (1);
s2: cleaning, namely enabling the television backboard which is not sprayed to enter a cleaning box (2) along with the conveying device (1) for cleaning to remove dust and impurities on the surface;
s3: drying for the first time, wherein the television backboard which is not sprayed enters a first drying box (3) along with a conveying device (1) to be dried;
s4: spraying for the first time, wherein the television backboard which is not sprayed enters a first spraying box (4) along with a conveying device (1) for surface spraying;
s5: the second spraying is carried out, the sprayed material enters a second spraying box (5) along with the conveying device (1) to be punched or sprayed on the side wall of the concave part;
s6: drying for the second time, wherein the television backboard after the second spraying enters a second drying box (6) along with the conveying device (1) to be dried to obtain a finished product;
s7: and (4) blanking, namely unloading the finished product from a rotary clamp (101) of the conveying device (1).
2. The automatic spraying process of the television back plate as claimed in claim 1, wherein: the first drying box (3) and the second drying box (6) adopt electric heating air blowing drying boxes, the lengths of the first drying box (3) and the second drying box (6) are 3-5m, and the temperatures of the first drying box (3) and the second drying box (6) are controlled within a range of 200 ℃ at 180 DEG during drying.
3. The automatic spraying process of the television back plate as claimed in claim 1, wherein: the cleaning box (2) is a three-dimensional flow spraying cleaning device.
4. The automatic spraying process of the television back plate as claimed in claim 1, wherein: the utility model discloses a spraying device, including first spraying case (5), lead screw (501), cylinder (504), mounting panel (505), rotatory cloud platform (506) is installed through the bolt in mounting panel (505), rotatory cloud platform (506) is installed through the bolt to rotatory lead screw slider (503) that is connected with near top department of both sides inner wall of second spraying case (5), and lead screw (501) are connected with motor (502), lead screw (501) outer wall is connected with through the screw thread rotation, cylinder (504) are installed to lead screw slider (503) bottom, cylinder (504) bottom has mounting panel (505) through the bolt fastening, rotatory cloud platform (506) are installed through the bolt fastening in mounting panel (505), rotatory cloud platform (506) bottom has side nozzle (8) through the bolt fastening, lead screw slider (503) outside has connecting steel pipe (507) through the bolt fastening, and the both ends of connecting steel pipe (507) are connected with first screwed pipe (508) and second screwed pipe (509) respectively, the low side nozzle (8) of second screwed pipe (509) are connected.
5. The automatic spraying process of the television back plate as claimed in claim 4, wherein the spraying process comprises the following steps: guide rods (510) are fixed on the inner walls of the two sides of the second spraying box (5) close to the bottom of the screw rod (501) through bolts, guide holes which are horizontally communicated are formed in the bottom of the screw rod sliding block (503), and the guide rods (510) are limited in the guide holes.
6. The automatic spraying process of the television back plate as claimed in claim 4, wherein the spraying process comprises the following steps: the first threaded pipe (508) and the second threaded pipe (509) are made of soft PP plastic materials.
7. The automatic spraying process of the television back plate as claimed in claim 4, wherein the spraying process comprises the following steps: side nozzle (8) comprise booster pump (801), injection portion and end seal (804) triplex, the department opens at the injection portion center has perpendicular chamber (802), erect the discharge end intercommunication of chamber (802) and booster pump (801), the injection portion outer wall is opened and is had the equidistance distribution and with the line type orifice (803) of erecting chamber (802) intercommunication, the perpendicular cross-section of line type orifice (803) is the trapezium structure, end seal (804) are fixed in the injection portion bottom through the screw.
8. The automatic spraying process of the television back plate as claimed in claim 7, wherein the spraying process comprises the following steps: the number of the linear spray holes (803) is 3-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010853843.1A CN114082625A (en) | 2020-08-24 | 2020-08-24 | Automatic spraying process for television backboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010853843.1A CN114082625A (en) | 2020-08-24 | 2020-08-24 | Automatic spraying process for television backboard |
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| CN114082625A true CN114082625A (en) | 2022-02-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010853843.1A Pending CN114082625A (en) | 2020-08-24 | 2020-08-24 | Automatic spraying process for television backboard |
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