CN216322701U

CN216322701U - Organic silicon coating spray gun system

Info

Publication number: CN216322701U
Application number: CN202121194705.3U
Authority: CN
Inventors: 韩杰
Original assignee: Giltai Auto Parts Suzhou Co ltd; Taicang Rongnan Seal Technology Co ltd; Shanghai Rongnan Technology Co ltd
Current assignee: Giltai Auto Parts Suzhou Co ltd; Taicang Rongnan Seal Technology Co ltd; Shanghai Rongnan Technology Co ltd
Priority date: 2021-05-31
Filing date: 2021-05-31
Publication date: 2022-04-19
Anticipated expiration: 2031-05-31

Abstract

The utility model provides an organic silicon coating spray gun system which comprises a stirring device, a conveying device, a coating temporary storage device and a spray gun head, wherein the conveying device is arranged on the inner side of the spray gun head; and a conveying pipeline is communicated between the stirring device and the conveying device, the conveying device is communicated with the temporary coating storage device through the conveying pipeline, the temporary coating storage device is communicated with the spray gun head through the conveying pipeline, and the temporary coating storage device is positioned above the spray gun head. Through the cooperation of agitating unit, conveyor, coating temporary storage device and spray gun mouth, stir the formation finished product coating by agitating unit to the coating raw materials, borrow conveyor again and carry finished product coating to coating temporary storage device, by the difference in height between coating temporary storage device and the spray gun mouth, with the help of the dead weight of siphon principle and coating, help improving the continuity of coating spraying to help reducing the condition that the spray gun head took out of order and produce.

Description

Organic silicon coating spray gun system

Technical Field

The utility model relates to the technical field of coating spraying, in particular to an organic silicon coating spray gun system.

Background

The automobile sealing strip has the functions of filling various intermittences and gaps among automobile body components, damping, waterproofing, dust prevention, sound insulation, decoration and the like, improves the comfort of driving experience and protects the automobile body. The automobile sealing strip adopts the online silicon coating for spraying, and has the functions of wear resistance, weather aging resistance, noise reduction and abnormal sound elimination.

At present, the organic silicon coating is applied to the automobile sealing strip industry more, the organic silicon coating consists of three parts, namely black matrix emulsion, a cross-linking agent and a catalyst, a small amount of gas is generated after the organic silicon coating is prepared, and the organic silicon coating has good lubricity, so that a spray gun is easily emptied in the spraying process.

The prior Chinese patent with publication number CN207746027U discloses a spraying device for an automobile sealing strip production line, which comprises a box body, wherein the left side wall of the box body is provided with an outlet, the right side wall of the box body is provided with an inlet, and a support frame is arranged between the outlet and the inlet; a plurality of rotating supporting rollers are uniformly erected on the supporting frame along the running direction of the automobile sealing strip; the spraying mechanism with the spray gun is arranged in the box body and on the rear side of the support frame, the position, right opposite to the spray gun, of the support frame is provided with flexible material bearing cloth used for adsorbing atomized paint, and the flexible material bearing cloth is located between the two adjacent rotating supporting rollers.

The inventor believes that the prior art spray guns are susceptible to discontinuous spray application and there is room for improvement.

SUMMERY OF THE UTILITY MODEL

In view of the deficiencies in the prior art, it is an object of the present invention to provide a silicone paint spray gun system.

The organic silicon coating spray gun system provided by the utility model comprises a stirring device, a conveying device, a coating temporary storage device and a spray gun head; and a conveying pipeline is communicated between the stirring device and the conveying device, the conveying device is communicated with the temporary coating storage device through the conveying pipeline, the temporary coating storage device is communicated with the spray gun head through the conveying pipeline, and the temporary coating storage device is positioned above the spray gun head.

Preferably, agitating unit includes support frame, stirring chamber, axis of rotation and blade, the axis of rotation rotates and sets up on the support frame, the lower extreme of axis of rotation is visited into the stirring intracavity, the blade sets up the one end of visiting into the stirring intracavity at the axis of rotation.

Preferably, the rotating shaft is of a hollow structure, and the conveying pipeline is communicated with the top end of the rotating shaft.

Preferably, the blades are provided at three equal intervals on the rotation shaft about the axis of the rotation shaft.

Preferably, the conveying device comprises a gear pump, the other end of the conveying pipeline communicated with the stirring device is communicated with an inlet of the gear pump, and the other end of the conveying pipeline communicated with the temporary coating storage device is communicated with an outlet of the gear pump.

Preferably, be provided with the agitator in the coating temporary storage device, the agitator includes (mixing) shaft and stirring leaf, the (mixing) shaft rotates and sets up in the coating temporary storage device, the stirring leaf sets up the bottom at the (mixing) shaft.

Preferably, the lower side of the coating buffer is gradually contracted from top to bottom in a funnel shape.

Preferably, the inner diameter of the delivery conduit is between 1.5mm and 3 mm.

Preferably, the lance head has a diameter of between 0.8mm and 1.2 mm.

Preferably, the paint temporary storage device further comprises a placing frame, wherein the placing frame is located below the paint temporary storage device, and the spray gun head is detachably fixed on the placing frame.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the stirring device is matched with the conveying device, the temporary coating storage device and the spray gun nozzle, the stirring device is used for stirring raw coating materials to form finished coating, the conveying device is used for conveying the finished coating to the temporary coating storage device, and the height difference between the temporary coating storage device and the spray gun nozzle is beneficial to improving the coating spraying continuity by means of the siphon principle and the self weight of the coating, so that the condition that the spray gun head empties the spray gun is reduced;

2. according to the utility model, the gear pump is adopted to convey the finished coating in the stirring cavity to the temporary coating storage device, so that the dynamic stability and the self-absorption capability are good, and the continuity of coating conveying is improved;

3. according to the utility model, the stirring device, the conveying device and the temporary coating storage device which are arranged in a sealing manner are beneficial to reducing the entering of outside air into the organic silicon coating spray gun system, so that the air quantity doped in the coating is reduced, the coating spraying continuity is improved, and the condition that the gun head empties is reduced;

4. according to the coating temporary storage device, the stirrer arranged in the coating temporary storage device is used for stirring the coating in the coating temporary storage device, so that the fluidity of the coating in the coating temporary storage device is improved, and the continuity of coating conveying is improved.

Drawings

Other features, objects and advantages of the utility model will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic view of the overall structure of a silicone coating material spray gun system embodying the present invention;

FIG. 2 is a schematic view of a connecting structure of a rotating rod and a blade according to the present invention;

fig. 3 is a schematic sectional view of the overall structure of the conveying device according to the present invention.

Reference numerals:

Detailed Description

The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the utility model, but are not intended to limit the utility model in any way. It should be noted that it would be obvious to those skilled in the art that various changes and modifications can be made without departing from the spirit of the utility model. All falling within the scope of the present invention.

As shown in fig. 1, the silicone paint spray gun system provided by the utility model comprises a stirring device 1, a conveying device 2, a temporary paint storage device 3 and a spray gun head 4. A conveying pipeline 5 is communicated between the stirring device 1 and the conveying device 2, the conveying device 2 and the temporary coating storage device 3 are communicated through the conveying pipeline 5, and the temporary coating storage device 3 and the spray gun head 4 are also communicated through the conveying pipeline 5. The temporary coating storage device 3 is arranged above the spray gun head 4, and the coating after being stirred and processed is conveyed into the temporary coating storage device 3, so that the coating can continuously and stably flow into the spray gun head 4 by utilizing the siphon principle and the gravity action of the coating, and the condition that the spray gun head 4 is emptied is basically eliminated.

As shown in fig. 1 and 2, the stirring device 1 includes a support frame 11, a stirring chamber 12, a rotation shaft 13 and blades 14, the support frame 11 is erected on the ground, the stirring chamber 12 is fixedly installed at the bottom of the support frame 11, the stirring chamber 12 is a cylindrical hollow cavity, and the upper side of the stirring chamber 12 is open. A sealing cover 15 is arranged at the opening of the stirring cavity 12, and the sealing cover 15 is matched with the opening of the stirring cavity 12 and completely seals the stirring cavity 12. The upper side of the rotating shaft 13 is vertically and rotatably installed on the supporting frame 11 through a bearing, the lower side of the rotating shaft 13 coaxially penetrates into the stirring cavity 12, and the bottom end of the rotating shaft 13 does not interfere with the inner wall of the stirring cavity 12.

The blades 14 are horizontally and fixedly installed at one end, extending into the stirring cavity 12, of the rotating shaft 13, the blades 14 do not interfere with the inner wall of the stirring cavity 12, and three blades are horizontally and fixedly installed at equal intervals around the axis of the rotating shaft 13 at one end, extending into the stirring cavity 12, of the rotating shaft 13, so that the stirring efficiency and the stirring uniformity are improved. During work, workers firstly put the black matrix emulsion, the cross-linking agent catalyst and the defoaming agent into the stirring cavity 12, and then seal the opening of the stirring cavity 12 by using the seal cover 15. The rotating shaft 13 is driven by the motor to rotate, the rotating shaft 13 drives the three blades 14 to rotate and stir the paint components in the stirring cavity 12, and then the organic silicon paint is prepared.

As shown in fig. 1 and 3, the rotating shaft 13 is a hollow structure, an opening at the lower end of the rotating shaft 13 is communicated with the stirring cavity 12, an opening at the upper end of the rotating shaft 13 is communicated with one end of the conveying pipeline 5, and the other end of the conveying pipeline 5 is communicated with an inlet of the conveying device 2. The conveying device 2 is a gear pump, when the gear in the gear pump rotates, the volume of the space on the gear disengagement side is increased from small to large to form vacuum, and the coating in the stirring cavity 12 is pumped into the gear pump through the hollow pipeline of the rotating shaft 13, the conveying pipeline 5 and the inlet of the gear pump; and the volume of the space on the gear meshing side is reduced from large to small, so that the dope in the gear pump is extruded from the outlet of the gear pump.

The coating material extruded from the gear pump outlet is conveyed into the coating material buffer 3 via a conveying line 5 between the conveying device 2 and the coating material buffer 3. Coating temporary storage device 3 is the cylinder closed cavity for the pipeline 5 that communicates conveyor 2 and coating temporary storage device 3 and the diapire fixed connection of coating temporary storage device 3 and with the inner space intercommunication of coating temporary storage device 3, thereby carry the coating in conveyor 2 to coating temporary storage device 3 in. One end of a conveying pipeline 5 for communicating the temporary coating storage device 3 and the spray gun head 4 with the temporary coating storage device 3 is fixedly arranged on the bottom wall of the temporary coating storage device 3.

Install agitator 7 in coating temporary storage device 3, agitator 7 includes (mixing) shaft 71 and stirring leaf 72, and the vertical rotation of (mixing) shaft 71 is installed in the middle part of coating temporary storage device 3 roof, and the other end of (mixing) shaft 71 is unsettled. Three stirring blades 72 are horizontally and fixedly arranged at the free end of the stirring shaft 71 at equal intervals around the axis of the stirring shaft 71, and the three stirring blades 72 do not interfere with the inner wall of the coating temporary storage device. The stirring shaft 71 rotates under the action of the motor, so that the stirring blades 72 are driven to rotate, the three stirring blades 72 rotate to stir the coating in the coating temporary storage device 3, and the flowability of the coating in the coating temporary storage device 3 is improved.

The downside of coating temporary storage device 3 is from the top down and contracts gradually and be hourglass hopper-shaped, and the size of the diapire of coating temporary storage device 3 is minimum to further improved the convenience that the coating in coating temporary storage device 3 flowed into spray gun head 4 along pipeline 5.

As shown in fig. 1, a placing frame 6 is fixedly placed on the ground below the temporary coating storage device 3, the height of the placing frame 6 is smaller than that of the temporary coating storage device 3, a placing groove is machined in the placing frame 6, a spray gun head 4 is embedded in the placing groove, and the spray gun head 4 is inclined and arranged downwards, so that the spray gun head 4 can be fixedly mounted on the placing frame 6 in a detachable mode, and the spray gun head 4 is guaranteed to be located below the temporary coating storage device 3. By utilizing the siphon principle and the weight of the coating, the coating in the temporary coating storage device 3 continuously and stably flows into the spray gun head 4, so that the phenomenon that the spray gun head 4 empties the gun is basically eliminated.

The inner diameters of a conveying pipeline 5 between the stirring device 1 and the conveying device 2, a conveying pipeline 5 between the conveying device 2 and the temporary coating storage device 3 and a conveying pipeline 5 between the temporary coating storage device 3 and the spray gun head 4 are all between 1.5mm and 3mm, and preferably 1.5 mm; the diameter of the lance head 4 is between 0.8mm and 3mm, preferably 0.8 mm. Under the condition of not influencing the flowing property of the coating, the inner force of the conveying pipeline 5 and the diameter of the spray gun head 4 are selected to be smaller, so that the conveying pipeline 5 or the spray gun head 4 can be filled as far as possible when the coating flows in the conveying pipeline 5 or the spray gun head 4, the doped gas in the coating is reduced, and the flowing continuity of the coating is improved. And the stirring device 1, the conveying device 2 and the temporary coating storage device 3 are all in a sealed state in work, so that the phenomenon that outside air enters an organic silicon coating spray gun system is reduced, and the flowing continuity and stability of the coating are improved.

Principle of operation

In the work, the staff puts into agitating unit 1 with the raw materials of coating earlier and stirs and obtain finished product coating, starts the gear pump again, and the coating in will stirring chamber 12 is through the cavity pipeline of axis of rotation 13, pipeline 5 and gear pump import suction gear pump in, then the gear pump passes through the export of gear pump and pipeline 5 with the coating pump send to coating temporary storage device 3 in, with the help of the difference in height between coating temporary storage device 3 and spray gun head 4, utilizes siphon principle and the dead weight of coating to make the continuous stable inflow spray gun head 4 of coating, has eliminated the condition emergence that spray gun head 4 emptied the rifle basically.

In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.

The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the utility model. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.

Claims

1. An organic silicon coating spray gun system is characterized by comprising a stirring device (1), a conveying device (2), a coating temporary storage device (3) and a spray gun head (4);

conveying pipeline (5) is communicated between stirring device (1) and conveying device (2), conveying device (2) and coating temporary storage device (3) are communicated through conveying pipeline (5), coating temporary storage device (3) and spray gun head (4) are also communicated through conveying pipeline (5), and coating temporary storage device (3) is located above spray gun head (4).

2. A silicone paint spray gun system according to claim 1, wherein said stirring device (1) includes a support frame (11), a stirring chamber (12), a rotating shaft (13) and a blade (14), said rotating shaft (13) is rotatably disposed on said support frame (11), a lower end of said rotating shaft (13) protrudes into said stirring chamber (12), and said blade (14) is disposed at an end of said rotating shaft (13) protruding into said stirring chamber (12).

3. A silicone paint spray gun system according to claim 2, wherein said rotary shaft (13) is of a hollow structure, and said delivery pipe (5) communicates with the top end of the rotary shaft (13).

4. A silicone paint spray gun system according to claim 2, wherein said vanes (14) are provided in three pieces on the rotary shaft (13) at equal intervals around the axis of the rotary shaft (13).

5. A silicone paint spray gun system according to claim 1, wherein said delivery means (2) comprises a gear pump, the other end of the delivery conduit (5) communicating with said stirring means (1) communicating with the inlet of the gear pump, and the other end of the delivery conduit (5) communicating with said paint buffer means (3) communicating with the outlet of the gear pump.

6. A silicone paint spray gun system according to claim 1, wherein an agitator (7) is provided in said paint buffer (3), said agitator (7) including an agitating shaft (71) and an agitating blade (72), said agitating shaft (71) being rotatably provided in said paint buffer (3), said agitating blade (72) being provided at the bottom of said agitating shaft (71).

7. A silicone paint spray gun system according to claim 1, wherein the underside of the paint buffer (3) tapers from top to bottom in a funnel shape.

8. A silicone paint spray gun system according to claim 1, wherein the internal diameter of said delivery conduit (5) is between 1.5mm and 3 mm.

9. A silicone paint spray gun system according to claim 1, wherein the diameter of the spray gun head (4) is between 0.8mm and 1.2 mm.

10. A silicone paint spray gun system according to claim 1, further comprising a holder (6), wherein the holder (6) is located below the temporary paint storage unit (3), and the spray gun head (4) is detachably fixed to the holder (6).