CN113478723A

CN113478723A - Injection molding surface spraying process

Info

Publication number: CN113478723A
Application number: CN202110746498.6A
Authority: CN
Inventors: 李海军; 张涛; 罗浪; 吕影星; 孙世鹏
Original assignee: Jundarui Changshu Intelligent Technology Co ltd
Current assignee: Jundarui Changshu Intelligent Technology Co ltd
Priority date: 2021-07-02
Filing date: 2021-07-02
Publication date: 2021-10-08

Abstract

The invention discloses a surface spraying process for an injection molding part, which relates to the technical field of injection molding part processing, and provides the following scheme aiming at the problem of poor surface spraying process of the existing injection molding part, and the scheme comprises the following steps: selecting a corresponding injection molding blank, placing the injection molding blank into polishing equipment inside a processing workshop, polishing the injection molding blank through the polishing equipment, removing burrs outside the injection molding blank, taking out the injection molding blank after the processing, placing the injection molding blank into cleaning equipment inside the processing workshop, rapidly cleaning the injection molding blank through the cleaning equipment inside the processing workshop, and removing impurities outside the injection molding blank. The spraying process is simple, the injection molding piece can be quickly and efficiently continuously sprayed, the spraying efficiency is high, the sprayed injection molding piece can be quickly stored and integrated, a user is prevented from manually arranging the sprayed injection molding piece, and the working performance is high.

Description

Injection molding surface spraying process

Technical Field

The invention relates to the technical field of injection molding part processing, in particular to a surface spraying process of an injection molding part.

Background

The injection molding part refers to various injection molding products produced by an injection molding machine, and is commonly called injection molding parts, and comprises various packages, parts and the like. Is mainly prepared from polyethylene or polypropylene and various organic solvents.

In the process of processing the injection molding part, surface spraying processing is needed. The spraying process of the existing injection molding part can be used for spraying the surface of the injection molding part, but has the defects of long spraying time and inconvenient use of spraying equipment. In the process, the processing progress of the injection molding part is greatly reduced, and therefore the injection molding part surface spraying process is provided.

Disclosure of Invention

The surface spraying process for the injection molding part provided by the invention solves the problem of poor surface spraying process for the injection molding part.

In order to achieve the purpose, the invention adopts the following technical scheme:

a surface spraying process for an injection molding part comprises the following steps:

s1: selecting a corresponding injection molding blank, placing the injection molding blank into polishing equipment inside a processing workshop, polishing the injection molding blank through the polishing equipment, and removing burrs outside the injection molding blank;

s2: taking out the injection molding blank after the processing, placing the injection molding blank into cleaning equipment inside a processing workshop, and quickly cleaning the injection molding blank through the cleaning equipment inside the processing workshop to remove impurities outside the injection molding blank;

s3: placing the cleaned injection molding blank into drying equipment inside a processing workshop, and drying the injection molding blank through the drying equipment;

s4: placing the dried injection molding blank into spraying equipment inside a processing workshop, and carrying out efficient spraying treatment on the injection molding blank through the spraying equipment;

s5: and taking the injection molded part after spraying out of the spraying equipment, and packaging and protecting the injection molded part after spraying.

Preferably, dry chamber, spraying chamber, savings chamber and work piece chamber have been seted up to spraying equipment's inside, the inner wall of spraying chamber both sides all articulates through the hinge has the loading board, the inside in spraying chamber is fixed with the containing box that is located the loading board below, the inside in work piece chamber is fixed with the layer board, the top of layer board is equipped with a plurality of injection molding stock with work piece chamber sliding fit work, the spout has been seted up to the inner wall between spraying chamber and the work piece chamber, spout and loading board cooperation work, injection molding stock accessible spout slips into the inside in spraying chamber, the inside in spraying chamber is equipped with the spraying mechanism that is used for spraying injection molding stock, the inside in work piece chamber is equipped with the conveying mechanism who carries injection molding stock, the inside in dry chamber is equipped with the drying mechanism who is used for dry injection molding stock.

Preferably, conveying mechanism includes the sliding tray, promotes piece, driving motor, lead screw and drive cover, the sliding tray is seted up on the inner wall in work piece chamber, promote the piece and slide and wear to establish in the inside of sliding tray, promote the piece and contact with the injection molding stock, driving motor fixes on the work piece intracavity wall that is located the layer board below, the lead screw transmission is connected on driving motor's output, the other end of lead screw runs through to the outside in work piece chamber to be fixed with the dog, the drive cover screw thread cup joints on the lead screw outer wall that is located work piece chamber outside and inlays the dress on the promotion piece that is located work piece chamber outside.

Preferably, spraying mechanism includes diaphragm pump, input tube and output tube, the top at spraying equipment is fixed to the diaphragm pump, the input of input tube connection at the diaphragm pump, the other end of input tube extends to the inside in deposit chamber, output tube connection is at the output of diaphragm pump, the other end of output tube extends to the inside in deposit chamber to be the closed form, the output tube that is located the inside in deposit chamber is fixed on the inner wall at deposit chamber top to install a plurality of shower nozzles, the output and the injection molding stock of shower nozzle are corresponding, the conveying valve that is linked together with deposit chamber is installed to one side of spraying equipment.

Preferably, drying mechanism includes fan and ventilation hole, the fan is fixed on the inner wall in dry chamber and is equipped with a plurality ofly, the ventilation hole is seted up on the inner wall between dry chamber and spraying chamber and is equipped with a plurality of.

Preferably, the inner walls of the two sides of the spraying cavity are respectively fixed with a loading block positioned below the bearing plate, the bottom of the loading block is respectively connected with a screw rod through a bearing in a rotating way, the other end of the screw rod is connected on the inner wall of the bottom of the spraying cavity through a bearing in a rotating way, the outer wall thread of the screw rod is sleeved with a linkage sleeve, the two sides of the linkage sleeve are respectively hinged with a driving rod through a hinge, the bottom of the movable end of the bearing plate is respectively fixed with a linkage block, the other end of the driving rod is hinged on the outer side of the corresponding linkage block through a hinge, the inner wall of the bottom of the drying cavity is fixed with a stepping motor, the output end of the stepping motor is in transmission connection with a shifting shaft, the other end of the shifting shaft is connected on the inner wall of the top of the drying cavity through a bearing in a rotating way, the outer wall of the bottom of the shifting shaft is fixedly sleeved with a driving gear, and the outer wall of the bottom of the screw rod is fixedly sleeved with a driven gear, the driving gear and the driven gear are externally provided with chains, and the driving gear, the driven gear and the chains are meshed to work.

Preferably, the top of the drying cavity is provided with a plurality of air guide holes, cleaning brushes rotatably sleeved in the drying cavity are fixed on two sides of the top of the poking shaft, and bristles of the cleaning brushes are in contact with the air guide holes.

Preferably, the bottom of the containing box is provided with a support plate fixed on the inner wall of the spraying cavity, two ends of the support plate are provided with rotating holes corresponding to the screw rods, and the screw rods are respectively and rotatably connected inside the corresponding rotating holes.

Preferably, one side of the outer part of the spraying equipment is hinged with a movable door corresponding to the spraying cavity through a hinge, and a sealing ring is arranged on the outer wall of the movable door along the circumferential direction.

In the invention:

through the cooperation work of spraying equipment, dry chamber, spraying chamber, deposit chamber, work piece chamber, loading board, spout, layer board, support plate, containing box, sliding tray, promotion piece, driving motor, lead screw, driving sleeve, diaphragm pump, input tube, output tube, shower nozzle, fan, ventilation hole, loading piece, screw rod, linkage cover, actuating lever, linkage piece, step motor, stirring axle, driving gear, driven gear, chain, wind-guiding hole, cleaning brush and dodge gate, can obtain following beneficial effect:

1. the spraying process is simple, the injection molding piece can be quickly and efficiently continuously sprayed, the spraying efficiency is high, the sprayed injection molding piece can be quickly stored and integrated, a user is prevented from manually arranging the sprayed injection molding piece, and the working performance is high.

2. The spraying device can quickly dry the sprayed injection molding part, prevent paint on the surface of the injection molding part from overflowing and scattering, has good spraying effect, and can clean the ventilating part of the spraying device, so that the ventilating part of the spraying device is prevented from being blocked by external dust or sundries after the spraying device works for a long time, and the cruising ability of the spraying device is effectively improved.

Drawings

FIG. 1 is a schematic structural view of a spraying device in the surface spraying process of an injection molding part according to the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

FIG. 3 is an enlarged view of a portion B of FIG. 1;

FIG. 4 is a front view of a spray apparatus for use in a process for spray coating a surface of an injection molded part according to the present invention.

Reference numbers in the figures: 1. spraying equipment; 2. a drying chamber; 3. a spray chamber; 4. a reservoir chamber; 5. a workpiece cavity; 6. a carrier plate; 7. a chute; 8. a support plate; 9. a carrier plate; 10. a storage box; 11. a sliding groove; 12. a pushing block; 13. a drive motor; 14. a screw rod; 15. a drive sleeve; 16. a diaphragm pump; 17. an input tube; 18. an output pipe; 19. a spray head; 20. a fan; 21. a vent hole; 22. a loading block; 23. a screw; 24. a linkage sleeve; 25. a drive rod; 26. a linkage block; 27. a stepping motor; 28. a shifting shaft; 29. a driving gear; 30. a driven gear; 31. a chain; 32. a wind guide hole; 33. a cleaning brush; 34. a movable door.

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. 1-4, a surface spraying process for an injection molding part comprises the following steps:

s4: placing the dried injection molding blank into a spraying device 1 in a processing workshop, and carrying out efficient spraying treatment on the injection molding blank through the spraying device 1;

s5: and taking the injection molded part after spraying out of the spraying equipment 1, and packaging and protecting the injection molded part after spraying.

Drying chamber 2 has been seted up to spraying equipment 1's inside, spraying chamber 3, savings chamber 4 and work piece chamber 5, the inner wall of 3 both sides in spraying chamber all articulates through the hinge has loading board 6, the inside of spraying chamber 3 is fixed with containing box 10 that is located loading board 6 below, the inside of work piece chamber 5 is fixed with layer board 8, the top of layer board 8 is equipped with a plurality of injection molding stock with 5 sliding fit works in work piece chamber, spout 7 has been seted up to the inner wall between spraying chamber 3 and the work piece chamber 5,

spout

7 and 6 cooperation works of loading board, injection molding stock accessible spout 7 slides in the inside of spraying chamber 3, the inside of spraying chamber 3 is equipped with the spraying mechanism that is used for spraying injection molding stock, the inside of work piece chamber 5 is equipped with the conveying mechanism who carries injection molding stock, the inside of drying chamber 2 is equipped with the drying mechanism who is used for dry injection molding stock.

Conveying mechanism includes sliding tray 11, promote piece 12, driving motor 13, lead screw 14 and driving sleeve 15, sliding tray 11 is seted up on the inner wall of work piece chamber 5, promote the inside that piece 12 slided and wears to establish at sliding tray 11, promote piece 12 and injection molding stock and contact, driving motor 13 is fixed on the 5 inner walls in work piece chamber that is located the layer board 8 below, driving motor 13 is the motor that just reverses, lead screw 14 transmission is connected on driving motor 13's output, the other end of lead screw 14 runs through to the outside in work piece chamber 5, and be fixed with the dog, driving sleeve 15 screw thread cup joints on being located the outside lead screw 14 outer wall in work piece chamber 5, and inlay the dress on being located the outside promotion piece 12 in work piece chamber 5.

The spraying mechanism includes diaphragm pump 16, input tube 17 and output tube 18, diaphragm pump 16 is fixed at the top of spraying equipment 1, the input at diaphragm pump 16 is connected to input tube 17, the other end of input tube 17 extends to the inside of deposit chamber 4, the output at diaphragm pump 16 is connected to output tube 18, the other end of output tube 18 extends to the inside of deposit chamber 3, and be the closure form, output tube 18 that is located the inside of deposit chamber 3 is fixed on the inner wall at deposit chamber 3 top, and install a plurality of shower nozzles 19, the output of shower nozzle 19 is corresponding with the injection molding stock, the delivery valve that is linked together with deposit chamber 4 is installed to one side of spraying equipment 1, can be to the paint vehicle of deposit chamber 4 input capacity through the delivery valve.

The drying mechanism includes fan 20 and ventilation hole 21, and fan 20 fixes on the inner wall of drying chamber 2 and is equipped with a plurality ofly, and ventilation hole 21 is seted up on the inner wall between drying chamber 2 and spraying chamber 3 and is equipped with a plurality of, through ventilation hole 21, can guide the inside to spraying chamber 3 with the air current that fan 20 blew out.

The inner walls of two sides of the spraying cavity 3 are respectively fixed with a loading block 22 positioned below the bearing plate 6, the bottom of the loading block 22 is respectively connected with a screw 23 through a bearing in a rotating way, the bearing plate 6 and the screw 23 are arranged in a staggered way, the other end of the screw 23 is connected on the inner wall of the bottom of the spraying cavity 3 through a bearing in a rotating way, the outer wall of the screw 23 is sleeved with a linkage sleeve 24 in a threaded way, two sides of the linkage sleeve 24 are respectively hinged with a driving rod 25 through hinges, the bottom of the movable end of the bearing plate 6 is respectively fixed with a linkage block 26, the other end of the driving rod 25 is hinged on the outer side of the corresponding linkage block 26 through a hinge, the inner wall of the bottom of the drying cavity 2 is fixed with a stepping motor 27, the stepping motor 27 is a forward and reverse rotation motor, the output end of the stepping motor 27 is in transmission connection with a shifting shaft 28, the other end of the shifting shaft 28 is connected on the inner wall of the top of the drying cavity 2 through a bearing in a rotating way, and the outer wall of the bottom of the shifting shaft 28 is fixedly sleeved with a driving gear 29, the outer wall of the bottom of the screw 23 is fixedly sleeved with a driven gear 30, a chain 31 is arranged outside the driving gear 29 and the driven gear 30, and the driving gear 29, the driven gear 30 and the chain 31 are meshed to work.

The top of the drying cavity 2 is provided with a plurality of air guide holes 32, the two sides of the top of the poking shaft 28 are respectively fixed with a cleaning brush 33 which is rotatably sleeved in the drying cavity 2, the bristles of the cleaning brush 33 are in contact with the air guide holes 32, and the drying cavity 2 can be communicated with the outside through the air guide holes 32.

The bottom of the containing box 10 is provided with a support plate 35 fixed on the inner wall of the spraying cavity 3, two ends of the support plate 35 are provided with rotating holes corresponding to the screw rods 23, the screw rods 23 are respectively connected inside the corresponding rotating holes in a rotating manner, and the containing box 10 can be supported through the support plate 35.

One side of the outside of the spraying equipment 1 is hinged with a movable door 34 corresponding to the spraying cavity 3 through a hinge, the outer wall of the movable door 34 is provided with a sealing ring along the circumferential direction, and the sealing performance of the movable door 34 can be improved through the sealing ring.

The working principle is as follows: selecting a corresponding injection molding blank, placing the injection molding blank into polishing equipment in a processing workshop, polishing the injection molding blank through the polishing equipment, removing burrs outside the injection molding blank, taking the injection molding blank after processing out of the polishing equipment, placing the injection molding blank into cleaning equipment in the processing workshop, rapidly cleaning the injection molding blank through the cleaning equipment in the processing workshop, removing impurities outside the injection molding blank, placing the injection molding blank after cleaning into drying equipment in the processing workshop, drying the injection molding blank through the drying equipment, placing the dried injection molding blank into the top of the supporting plate 8, driving the screw rod 14 to rotate through the operation of the driving motor 13 when a certain amount of injection molding blank is accumulated on the top of the supporting plate 8, driving the driving sleeve 15 to displace, the pushing block 12 is driven to displace, at this time, the injection molding blank at the top of the supporting plate 8 is pushed to displace through the pushing block 12 of the displacement, after the injection molding blank enters the inside of the spraying cavity 3 and is positioned at the tops of the two bearing plates 6, at this time, the paint vehicle inside the storage cavity 4 is driven to be extracted through the operation of the diaphragm pump 16 by the input pipe 17 and enters the inside of the output pipe 18, at this time, the paint vehicle entering the inside of the output pipe 18 is sprayed out through the spray head 19, at this time, the injection molding blank at the top of the bearing plate 6 is sprayed through the paint vehicle sprayed out through the spray head 19, and after the injection molding blank at the top of the bearing plate 6 is sprayed, at this time, the injection molding blank at the top of the bearing plate 6 is blown through the operation of the fan 20, so that the drying rate of the paint vehicle on the surface of the injection molding blank is improved, and after the paint vehicle on the surface of the injection molding blank is dried, at this time, the dial-up shaft 28 can be driven to rotate by the operation of the stepping motor 27, the driving gear 29 can be driven to rotate by the rotating dial-up shaft 28, the chain 31 can be driven to move, the driven gear 30 can be driven to rotate, the screw 23 can be driven to rotate, the linkage sleeve 24 can be driven to vertically displace, the driving rod 25 can be driven to deflect, the linkage block 26 can be driven to displace, the bearing plates 6 can be driven to deflect, when the distance between the two bearing plates 6 is large enough, the injection molding blanks at the tops of the two bearing plates 6 can fall into the storage box 101 through the gap between the two bearing plates 6, the injection molding after spraying can be collected through the storage box 10, and when the dial-up shaft 28 rotates, the cleaning brush 33 can be driven to rotate, the air guide holes 32 can be cleaned by the rotating cleaning brush 33, so that the ventilation efficiency of the air guide holes 32 can be effectively improved, when a sufficient amount of injection-molded parts are contained in the containing box 10, the movable door 34 can be opened to take out the containing box 10, and the injection-molded parts in the containing box 10 can be taken out to package and protect the injection-molded parts.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

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

1. A surface spraying process for an injection molding part comprises the following steps:

s4: placing the dried injection molding blank into spraying equipment (1) in a processing workshop, and carrying out efficient spraying treatment on the injection molding blank through the spraying equipment (1);

s5: and taking the injection molded part after spraying out of the spraying equipment (1), and packaging and protecting the injection molded part after spraying.

2. The surface spraying process of the injection molding part according to claim 1, characterized in that a drying cavity (2), a spraying cavity (3), a storage cavity (4) and a workpiece cavity (5) are formed inside the spraying equipment (1), the inner walls of both sides of the spraying cavity (3) are hinged with a bearing plate (6) through hinges, a containing box (10) positioned below the bearing plate (6) is fixed inside the spraying cavity (3), a supporting plate (8) is fixed inside the workpiece cavity (5), a plurality of injection molding part blanks in sliding fit with the workpiece cavity (5) are arranged on the top of the supporting plate (8), a chute (7) is formed in the inner wall between the spraying cavity (3) and the workpiece cavity (5), the chute (7) and the bearing plate (6) are in fit, and the injection molding part blanks can slide into the spraying cavity (3) through the chute (7), the inside in spraying chamber (3) is equipped with the spraying mechanism that is used for spraying the injection molding stock, the inside in work piece chamber (5) is equipped with the conveying mechanism who carries the injection molding stock, the inside in dry chamber (2) is equipped with the drying mechanism who is used for dry injection molding stock.

3. The injection molding part surface spraying process according to claim 2, wherein the conveying mechanism comprises a sliding groove (11), a pushing block (12), a driving motor (13), a screw rod (14) and a driving sleeve (15), the sliding groove (11) is formed in the inner wall of the workpiece cavity (5), the pushing block (12) is slidably arranged in the sliding groove (11), the pushing block (12) is in contact with an injection molding part blank, the driving motor (13) is fixed on the inner wall of the workpiece cavity (5) below the supporting plate (8), the screw rod (14) is in transmission connection with the output end of the driving motor (13), the other end of the screw rod (14) penetrates through the outer part of the workpiece cavity (5) and is fixed with a stop block, and the driving sleeve (15) is in threaded sleeve connection with the outer wall of the screw rod (14) outside the workpiece cavity (5), And is embedded on a pushing block (12) positioned outside the workpiece cavity (5).

4. A process for the surface coating of injection-moulded parts according to claim 2, characterised in that the coating means comprise a membrane pump (16), an inlet pipe (17) and an outlet pipe (18), the diaphragm pump (16) is fixed at the top of the spraying equipment (1), the input pipe (17) is connected with the input end of the diaphragm pump (16), the other end of the input pipe (17) extends to the inside of the storage cavity (4), the output pipe (18) is connected with the output end of the diaphragm pump (16), the other end of the output pipe (18) extends to the interior of the spraying cavity (3), and is closed, an output pipe (18) positioned in the spraying cavity (3) is fixed on the inner wall of the top of the spraying cavity (3), and a plurality of spray heads (19) are arranged, the output ends of the spray heads (19) correspond to the injection molding piece blank, and a material delivery valve communicated with the storage cavity (4) is installed on one side of the spraying equipment (1).

5. The injection molding surface coating process according to claim 2, characterized in that the drying mechanism comprises a fan (20) and a plurality of vent holes (21), the fan (20) is fixed on the inner wall of the drying chamber (2) and is provided with a plurality of vent holes, and the vent holes (21) are opened on the inner wall between the drying chamber (2) and the coating chamber (3) and are provided with a plurality of vent holes.

6. The injection molding surface spraying process according to claim 2, characterized in that the inner walls of both sides of the spraying cavity (3) are fixed with loading blocks (22) located below the bearing plate (6), the bottom of the loading blocks (22) are connected with screw rods (23) through bearings in a rotating manner, the other ends of the screw rods (23) are connected to the inner wall of the bottom of the spraying cavity (3) through bearings in a rotating manner, the outer wall of the screw rods (23) is in threaded sleeve connection with a linkage sleeve (24), both sides of the linkage sleeve (24) are hinged with driving rods (25) through hinges, the bottom of the movable end of the bearing plate (6) is fixed with a linkage block (26), the other end of the driving rod (25) is hinged to the outer side of the corresponding linkage block (26) through a hinge, the inner wall of the bottom of the drying cavity (2) is fixed with a stepping motor (27), the output end of the stepping motor (27) is connected with a shifting shaft (28) in a transmission manner, the other end of stirring axle (28) passes through the bearing and rotates the connection on the inner wall at dry chamber (2) top, the outer wall of stirring axle (28) bottom is fixed to be cup jointed driving gear (29), the outer wall of screw rod (23) bottom all is fixed the cover and is connect driven gear (30), the outside of driving gear (29) and driven gear (30) is equipped with chain (31), driving gear (29), driven gear (30) and chain (31) meshing work.

7. The surface spraying process for the injection molding part according to claim 6, wherein a plurality of air guide holes (32) are formed in the top of the drying cavity (2), cleaning brushes (33) which are rotatably sleeved in the drying cavity (2) are fixed on two sides of the top of the poking shaft (28), and bristles of the cleaning brushes (33) are in contact with the air guide holes (32).

8. The surface spraying process of the injection molding part according to claim 6, wherein a carrier plate (35) fixed on the inner wall of the spraying cavity (3) is arranged at the bottom of the containing box (10), rotating holes corresponding to the screw rods (23) are formed in both ends of the carrier plate (35), and the screw rods (23) are respectively and rotatably connected inside the corresponding rotating holes.

9. The process for spraying the surface of the injection-molded part according to claim 6, wherein a movable door (34) corresponding to the spraying cavity (3) is hinged to one side of the outer part of the spraying equipment (1) through a hinge, and the outer wall of the movable door (34) is provided with a sealing ring along the circumferential direction.