CN206577988U - A kind of circulation reflux device for the pre- stick roller coating of fluorubber - Google Patents

Abstract

The utility model discloses a kind of circulation reflux device for the pre- stick roller coating of fluorubber, including collection box, woven hose, liquor charging joint and receipts liquid bellmouth bucket, receiving liquid bellmouth bucket has the liquid collecting cavity received on the downside of sap cavity and setting receipts sap cavity of tilting for the formula of extending out, the bottom connection return duct of liquid collecting cavity, return duct is connected to collection box, the top of receipts sap cavity be provided with the circular filter plate that is obliquely installed, the rim portion of circular filter plate has a circle stop snap ring, stop snap ring is fixed on the accent for receiving sap cavity, the ring madial wall of stop snap ring is provided with one layer of non-woven fabrics filter screen for being used to filter debris in the pre- stick of fluorubber, non-woven fabrics filter screen is correspondingly arranged at the lower section of circular filter plate.The utility model prevents impurities and dust and extraneous impurities and dust when roller coating operation roller works to be detained in pre- stick, and the filtration treatment circulated always prevents pre- stick viscosity rise from causing the problem of pre- stick is scrapped, and simple in construction, practical.

Description

A circulating backflow device for roller coating of fluororubber pre-adhesive

technical field

The utility model relates to a circulating backflow device used for roller coating of fluorine rubber pre-adhesive.

Background technique

At present, the backflow tank and the upper part of the storage tank of the traditional fluororubber pre-adhesive roll coating are designed in an open manner. When rolling coating, the liquid fluororubber pre-adhesive is directly poured on the work roller, but the pre-adhesive is a It is a kind of volatile solvent, which is relatively easy to volatilize, and it is directly poured on the work roll and exposed to the air during use, so that the impurities on the work roll and the dust from the outside will be mixed in the fluororubber pre-adhesive during operation, making the fluororubber pre-adhesive The adhesive is polluted. If there are too many impurities in the fluororubber pre-adhesive, the viscosity of the pre-adhesive will rise to the point that it does not meet the process requirements, and the pre-adhesive will be scrapped.

Utility model content

In order to solve the above-mentioned deficiencies in the prior art, the utility model proposes a circulating backflow device for roller coating of fluororubber pre-adhesive.

In order to solve the above-mentioned technical problems, the utility model adopts the following technical scheme: a kind of circulating backflow device for roller coating of fluororubber preadhesive, which is arranged on the roller coating station of the roller coating machine of fluororubber preadhesive, including A recovery box for storing fluororubber pre-adhesive, one side of the recovery box is provided with an infusion tube for outputting fluororubber pre-adhesive, the end of the infusion tube is provided with a liquid delivery joint, and the liquid delivery joint It is arranged above the roller coating bearing of the roller coating machine, and a roller coating operation roller is installed on the roller coating bearing, and the liquid outlet of the described liquid delivery joint sends out the fluororubber pre-adhesive toward the roller coating operation roller; The lower part is provided with a liquid receiving socket bucket for recovering the rolling coating liquid flowing out from the roller coating operation roller. cavity, the lower part of the liquid collection chamber is connected to the return pipe, and the return pipe is connected to the recovery tank. The upper part of the liquid collection chamber is provided with a circular filter plate arranged obliquely, and the edge of the circular filter plate There is a circle of stop snap ring at the end, the stop snap ring is fastened on the mouth of the liquid receiving chamber, and a layer is provided on the inner wall of the stop snap ring for filtering the sundries in the fluororubber pre-adhesive The non-woven filter screen is correspondingly arranged under the circular filter plate.

Further, the cavity wall of the liquid receiving chamber is provided with multi-layer buffer arc baffles, and the buffer arc baffles are distributed in a Z shape.

Further, the wall of the liquid receiving chamber is also provided with a layer of hard filter mesh, and the filter mesh is fixed on the wall of the liquid receiving chamber through the elastic clamp on the outer edge body, and the filter mesh Adsorbed carbon particles are attached to the net to remove impurities.

Further, the chamber wall on the inclined lower side of the liquid receiving chamber protrudes upwards to a certain height.

Further, a liquid suction pump is installed on the return pipe.

Further, a peristaltic pump and a flow controller are installed on the infusion tube.

Further, filter holes are distributed on the circular filter plate.

Compared with the prior art, the design feature of this utility model is to carry out a certain filtration process on the backflowing fluororubber pre-adhesive agent, and pass through the circular filter plate, non-woven filter screen and filter mesh in the liquid receiving socket bucket. It is subjected to multi-stage filtration treatment to prevent the debris and dust from the roller coating operation roller and the external debris from staying in the pre-adhesive agent, and the continuous cycle of filtration treatment prevents the pre-adhesive agent from being scrapped due to the increase in the viscosity of the pre-adhesive agent The problem occurs, and the structure is simple, and the practicability is strong.

Description of drawings

Fig. 1 is the structural representation of the utility model.

detailed description

Below in conjunction with accompanying drawing and embodiment the utility model is described in detail.

As shown in Figure 1, the circulating backflow device for the roller coating of fluororubber pre-adhesive proposed by the utility model is arranged on the roller coating station of the roller coating machine of fluororubber pre-adhesive, including Pre-adhesive recovery box 1, one side of the recovery box 1 is provided with an infusion tube 2 for outputting fluororubber pre-adhesive, the end of the infusion tube 2 is provided with a liquid delivery joint 3, and the liquid delivery joint 3 is arranged on the roller coating machine Above the rolling coating bearing 4, a rolling coating operation roller 5 is installed on the rolling coating bearing 4, and the liquid outlet of the liquid delivery joint 3 sends out the fluororubber pre-adhesive toward the rolling coating operation roller 5; For recovering the liquid receiving socket 6 of the rolling coating liquid flowing out from the rolling coating operation roller 5, the liquid receiving socket 6 has an outwardly expanding inclined liquid collecting chamber 7 and a liquid collecting chamber 7 on the lower side of the liquid collecting chamber. Cavity 8, the bottom of the collecting chamber 8 is connected to the return pipe 9, and the return pipe 9 is connected to the recovery tank 1. It is characterized in that: the upper part of the liquid receiving chamber 7 is provided with a circular filter plate 10 arranged obliquely, and the circular filter plate 10 There is a circle of stop snap ring 11 on the edge of the stop snap ring 11, which is fixed on the mouth of the liquid receiving chamber 7, and a layer is provided on the inner wall of the stop snap ring 11 for filtering fluororubber pre-adhesive The non-woven fabric filter screen 12 of foreign matter, the non-woven fabric filter screen 12 is correspondingly arranged under the circular filter plate 10 . The cavity wall of the liquid receiving chamber 7 is provided with multi-layer buffer arc baffles 13, and the buffer arc baffles 13 are distributed in a Z shape. The cavity wall of the liquid receiving chamber 7 is also provided with a hard filter mesh sheet 14, and the filter mesh sheet is fixed on the cavity wall of the liquid receiving chamber 7 by the elastic clamp on the outer edge body, and the mesh of the filter mesh sheet 14 Adsorbed carbon particles are attached to remove impurities. The chamber wall on the inclined lower side of the liquid receiving chamber 7 protrudes upwards to a certain height. A suction pump 15 is installed on the return pipe 9 . A peristaltic pump 16 and a flow controller 17 are installed on the infusion tube 2 . Filter holes 18 are distributed on the circular filter plate 10 .

During specific work, first the fluororubber pre-adhesive is discharged from the recovery box 1 from the infusion tube 2, driven by the peristaltic pump 16 to send out the fluororubber pre-adhesive, then sprayed from the liquid delivery joint 3, and poured on the roll coating work roller 5 Above, the roller coating work roller 5 is a part of the roller coating machine. The roller coating work roller 5 is driven by the driving structure on the roller coating machine to work. When the roller coating work roller 5 is working, the fluororubber pre-adhesive agent flowing through the roller body falls Return to the liquid receiving socket 6 below, first, through the inclined circular filter plate 10, the filter hole 18 on the circular filter plate 10 has a relatively large aperture, mainly to filter larger debris, pre-adhesive After flowing through the filter holes, it will fall on the non-woven filter screen 12. The non-woven filter screen 12 is a kind of gauze commonly used in the market, which can filter the particles with less influence, and finally flow to the bottom filter screen. Mesh 14, the main filtering function of filter mesh 14 is reflected in the adsorption carbon particles attached to it. The adsorption carbon particles have the effect of strong adsorption of small particles of impurities, and then all the impurities in the pre-adhesive can be filtered clean. Do multi-level filtering.

The above-mentioned embodiments only express several implementation modes of the utility model, and the description thereof is relatively specific and detailed, but it should not be understood as limiting the patent scope of the utility model. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the utility model patent and protection scope should be based on the appended claims.

Claims (7)

1. A circulating return device for roller coating of fluororubber preadhesive, which is arranged on the roller coating station of the roller coating machine of fluororubber preadhesive, including a recovery box for storing fluororubber preadhesive ( 1), one side of the recovery box (1) is provided with an infusion tube (2) for outputting fluororubber pre-adhesive, and the end of the infusion tube (2) is provided with a liquid delivery joint (3), the The liquid delivery joint (3) is arranged above the roller coating bearing (4) of the roller coating machine, and the rolling coating operation roller (5) is installed on the rolling coating bearing (4), and the liquid outlet of the liquid delivery joint (3) faces The roll coating work roll (5) sends out the fluororubber pre-adhesive; the bottom of the roll coating work roll (5) is provided with a liquid receiving socket bucket (6) for recovering the roll coating liquid flowing out from the roll coating work roll (5) ), the liquid receiving socket (6) has an outwardly expanding inclined liquid receiving chamber (7) and a liquid collecting chamber (8) on the lower side of the liquid collecting chamber (7), the liquid collecting chamber ( The lower part of 8) is connected to the return pipe (9), and the return pipe (9) is connected to the recovery tank (1). plate (10), the edge of the circular filter plate (10) has a circle of stop snap ring (11), and the stop snap ring (11) is fixed on the mouth of the liquid receiving chamber (7) , the ring inner wall of the stop snap ring (11) is provided with a layer of non-woven fabric filter (12) for filtering the sundries in the fluororubber pre-adhesive, and the non-woven fabric filter (12) corresponds to It is arranged below the circular filter plate (10). 2. The circulating backflow device for roller coating of fluorine rubber pre-adhesive according to claim 1, characterized in that: the wall of the liquid receiving chamber (7) is provided with multi-layer buffer arc baffles (13 ), the buffer arc baffles (13) are distributed in a Z shape. 3. The circulating backflow device for roller coating of fluororubber pre-adhesive as claimed in claim 2, characterized in that: the cavity wall of the liquid receiving cavity (7) is also provided with a layer of hard filter mesh (14 ), the filter mesh is fixed on the wall of the liquid receiving chamber (7) through the elastic mount on the outer edge, and the mesh of the filter mesh (14) is attached with adsorption carbon particles for removing impurities. 4. The circulating backflow device for roller coating of fluororubber pre-adhesive according to claim 1, characterized in that: the wall of the inclined lower side of the liquid receiving chamber (7) protrudes upwards to a certain height. 5. The circulating backflow device for roller coating of fluororubber pre-adhesive according to claim 1, characterized in that: a pump (15) is installed on the backflow pipe (9). 6. The circulating backflow device for roll coating of fluororubber pre-adhesives according to claim 1, characterized in that: the infusion tube (2) is equipped with a peristaltic pump (16) and a flow controller (17) . 7. The circulating backflow device for roller coating of fluororubber pre-adhesive according to claim 1, characterized in that: filter holes (18) are distributed on the circular filter plate (10).