CN210023031U

CN210023031U - Pre-cleaning equipment before spraying of injection molding part

Info

Publication number: CN210023031U
Application number: CN201920817669.8U
Authority: CN
Inventors: 祁军良
Original assignee: Lijie Plastic & Metal Products Co Ltd Kunshan
Current assignee: Lijie Plastic & Metal Products Co Ltd Kunshan
Priority date: 2019-05-31
Filing date: 2019-05-31
Publication date: 2020-02-07
Anticipated expiration: 2029-05-31

Abstract

The utility model provides a pre-cleaning device before spraying injection molding, which comprises a spray room, a wiping room and a drying room which are arranged in a line, and a conveying line which is arranged in the spray room, the wiping room and the drying room in a penetrating way; the spraying chamber is internally provided with a plurality of rows of inclined spraying pipes which are communicated with the alcohol tank through liquid pipes; more than one group of wiping pieces are arranged in the wiping chamber; and a plurality of rows of inclined hot air pipes are arranged in the drying chamber and are communicated with a heat source through air pipes. The injection molding passes through the spray room, cleans room and drying chamber along with the transfer chain in proper order, has realized the automatic precleaning before the injection molding spraying, avoids taking place because of the staff handles the condition that the nonstandard leads to the spraying poor quality.

Description

Pre-cleaning equipment before spraying of injection molding part

Technical Field

The utility model relates to a plastic part spraying technical field especially indicates a cleaning equipment in advance before injection molding spraying.

Background

The use of injection molding has replaced some metal parts, not only lightens holistic weight, and can resources are saved. Spraying is necessary for small-sized injection-molded parts, and in order to improve the surface aesthetics of the injection-molded parts and to obtain good protection, water resistance and oxidation prevention of these injection-molded parts, it is necessary to spray the surface of these injection-molded parts. The existing spraying pretreatment is basically completed manually by workers, and the treatment process is not standard, so that the spraying quality of injection molding parts is difficult to ensure, and further improvement is needed.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: an apparatus is provided for automatically pre-cleaning an injection molded part prior to spraying.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

the pre-cleaning equipment before spraying the injection molding piece comprises a spraying chamber, a wiping chamber, a drying chamber and conveying lines, wherein the spraying chamber, the wiping chamber and the drying chamber are arranged in a straight line, and the conveying lines penetrate through the spraying chamber, the wiping chamber and the drying chamber; the spraying chamber is internally provided with a plurality of rows of inclined spraying pipes which are communicated with the alcohol tank through liquid pipes; more than one group of wiping pieces are arranged in the wiping chamber; each group of wiping pieces consists of a mounting box, sponge, dust-free cloth and a support, wherein the mounting box is mounted on the support by adopting a double-head fisheye connecting rod, a plurality of tension springs are arranged between the mounting box and the support, the sponge is embedded at the bottom of the mounting box and protrudes outwards, and the dust-free cloth covers the bottom surface of the sponge; and a plurality of rows of inclined hot air pipes are arranged in the drying chamber and are communicated with a heat source through air pipes.

Further, a liquid collecting tank is arranged below the conveying line.

Further, the conveying line is a belt type conveying line, and a plurality of liquid discharge holes are formed in the belt; the belt is fixed with several rows of cylinder spare along with the belt operation on, the top of cylinder spare is provided with one row of jack, installs a support column in one of them or the several jack.

Furthermore, steps are arranged on two side faces of the sponge, and a pressing plate pressed on the steps is installed at the bottom of the installation box through bolts.

Furthermore, the inclination angle of the spray pipe and the hot air pipe is 10 degrees.

Further, still including setting up the dust removal chamber in spray room front portion, be provided with several rotation type air shower nozzle in the dust removal chamber.

The utility model has the advantages that: 1. the injection molding piece sequentially passes through the spray chamber, the wiping chamber and the drying chamber along with the conveying line, so that automatic pre-cleaning of the injection molding piece before spraying is realized, and the condition that the spraying quality is poor due to nonstandard staff treatment is avoided; 2. the dust-free cloth and the sponge in the wiping piece can be quickly replaced, so that the pretreatment efficiency of the injection molding piece is improved; 3. the dust removing chambers arranged in the spray chambers can blow off dust on the injection molding parts in advance before alcohol is sprayed.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below.

FIG. 1 is a front view of a pre-cleaning apparatus for injection molded parts as disclosed in the first embodiment;

FIG. 2 is a front view of a wipe disclosed in the first embodiment;

FIG. 3 is a front view of the conveyor line disclosed in the first embodiment;

FIG. 4 is a front view of the pre-cleaning apparatus for injection molded parts disclosed in the second embodiment before spraying.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Example one

The pre-cleaning device for injection-molded parts shown in fig. 1 comprises a spray chamber 10, a wiping chamber 20 and a drying chamber 30 which are arranged in a line, and a conveying line 40 which penetrates through the spray chamber 10, the wiping chamber 20 and the drying chamber 30. The spray chamber 10 is provided with a plurality of rows of inclined spray pipes 11 which are communicated with the alcohol tank through liquid pipes; the drying chamber 30 is provided therein with a plurality of rows of inclined hot air pipes 31 which are communicated with a heat source through air pipes. The wiping chamber 20 is provided with one or more sets of wipers 21. The inclination angle of the spray pipe and the hot air pipe is 10 degrees. The injection molding piece enters the spraying chamber 10 along with the conveying line 40 to be coated with alcohol, enters the wiping chamber 20 to be wiped on the surface, enters the drying chamber 30 to be dried by hot air, and finally enters the spraying chamber.

The wiping piece is composed of a mounting box 211, a sponge 212, dust-free cloth 213 and a bracket 214, the mounting box is mounted on the bracket by a double-head fisheye connecting rod 215, a plurality of tension springs 216 are arranged between the mounting box 211 and the bracket 214, the sponge is embedded at the bottom of the mounting box and protrudes outwards, and the bottom surface of the sponge is covered by the dust-free cloth. The fixed position of wiper, the injection molding comes to the below of wiper, and dustless cloth sticiss on the surface of injection molding under the action of gravity, and along with the removal of injection molding, dustless cloth cleans injection molding surface totally. The tension spring and the double-head fisheye joint realize slight swinging of the mounting box and keep always pressing the surface of the injection molding part. The two sides of the sponge are provided with steps, the bottom of the mounting box is provided with a pressing plate 217 pressed on the steps by bolts, and the sponge and the dust-free cloth can be quickly taken out after the pressing plate is removed, so that the dust-free cloth can be quickly replaced. The outer casing of the wiping chamber 20 is provided with a window plate which can be opened corresponding to the wiping piece, so as to facilitate the replacement of the dust-free cloth.

Below the transfer line 40, a liquid collection tank 50 for collecting alcohol is provided.

The conveying line 40 is a belt type conveying line 40, and a plurality of liquid discharge holes are formed in the belt.

Referring to fig. 3, a plurality of rows of cylinders 60 are fixed on the belt and run along with the belt, and a row of insertion holes are arranged on the top of the cylinders, wherein a support column 70 for supporting the injection-molded part is arranged in one or more insertion holes.

Example two

The pre-cleaning apparatus for injection-molded parts shown in fig. 4 comprises a dust removal chamber 80, a spray chamber 10, a wiping chamber 20 and a drying chamber 30 which are arranged in a line, and a conveying line 40 which penetrates through the spray chamber 10, the wiping chamber 20 and the drying chamber 30. The dust chamber is provided with a plurality of rotary air shower nozzles 81. The spray chamber 10 is provided with a plurality of rows of inclined spray pipes which are communicated with the alcohol tank through liquid pipes; a plurality of rows of inclined hot air pipes are arranged in the drying chamber 30, and the hot air pipes are communicated with a heat source through air pipes. More than one set of wipers are disposed in the wiping chamber 20. The inclination angle of the spray pipe and the hot air pipe is 10 degrees. The injection molding piece comes to a dust removal chamber along with a conveying line 40 to blow off dust and particles on the surface, is smeared with alcohol in a spray chamber 10, is wiped on the surface in a wiping chamber 20, is dried by hot air in a drying chamber 30, and finally enters a spraying chamber.

Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The pre-cleaning equipment before spraying of the injection molding part is characterized by comprising a spraying chamber, a wiping chamber, a drying chamber and conveying lines, wherein the spraying chamber, the wiping chamber and the drying chamber are arranged in a straight line; the spraying chamber is internally provided with a plurality of rows of inclined spraying pipes which are communicated with the alcohol tank through liquid pipes; more than one group of wiping pieces are arranged in the wiping chamber; each group of wiping pieces consists of a mounting box, sponge, dust-free cloth and a support, wherein the mounting box is mounted on the support by adopting a double-head fisheye connecting rod, a plurality of tension springs are arranged between the mounting box and the support, the sponge is embedded at the bottom of the mounting box and protrudes outwards, and the dust-free cloth covers the bottom surface of the sponge; and a plurality of rows of inclined hot air pipes are arranged in the drying chamber and are communicated with a heat source through air pipes.

2. The pre-cleaning apparatus of claim 1, wherein a liquid collection trough is provided below the conveyor line.

3. The pre-cleaning equipment for injection molding parts according to claim 1, wherein the conveying line is a belt type conveying line, and a plurality of liquid discharging holes are formed in the belt; the belt is fixed with several rows of cylinder spare along with the belt operation on, the top of cylinder spare is provided with one row of jack, installs a support column in one of them or the several jack.

4. The pre-cleaning equipment for injection molding parts according to claim 1, wherein steps are arranged on two side surfaces of the sponge, and a pressing plate pressed on the steps is installed at the bottom of the installation box through bolts.

5. The pre-cleaning apparatus of claim 1, wherein the angle of inclination of the shower and hot blast pipes is 10 °.

6. The pre-cleaning apparatus of claim 1, further comprising a dust chamber disposed in front of the spray chamber, wherein the dust chamber has a plurality of rotary air spray nozzles disposed therein.