CN110670410B

CN110670410B - Air bag scraper

Info

Publication number: CN110670410B
Application number: CN201911001528.XA
Authority: CN
Inventors: 邵念
Original assignee: Wuhan Xinhuateng Mechanical And Electrical Equipment Co ltd
Current assignee: Wuhan Xinhuateng Mechanical And Electrical Equipment Co ltd
Priority date: 2019-10-21
Filing date: 2019-10-21
Publication date: 2022-02-01
Anticipated expiration: 2039-10-21
Also published as: CN110670410A

Abstract

The invention provides an air bag scraper which comprises a fixing frame, an elastic sheet, a scraper structure, an inflatable rubber strip and a rubber strip adjusting mechanism, wherein one end of the elastic sheet is fixedly arranged on the fixing frame, the scraper structure is detachably arranged at one end, away from the fixing frame, of the elastic sheet, the rubber strip adjusting mechanism is fixedly arranged on the fixing frame, the inflatable rubber strip is arranged at one end of the rubber strip adjusting mechanism, the length direction of the inflatable rubber strip is parallel to the length direction of the scraper structure, the inflatable rubber strip is arranged close to one surface, back to a scraper head, of the scraper structure, and the rubber strip adjusting mechanism is used for adjusting the distance between the inflatable rubber strip and the scraper structure. The air bag scraper is simple in structure, capable of roughly adjusting and finely adjusting the distance between the scraper structure and the roller shaft, simple in adjusting mode, simple in overall structure, easy to disassemble and install and good in application prospect.

Description

Air bag scraper

Technical Field

The invention relates to the technical field of coating, in particular to an air bag scraper.

Background

In the field of specialty paper production, a coating machine is indispensable production equipment, and the coating machine uniformly coats a coating on the surface of base paper and forms corresponding specialty paper after drying, wherein the coating process is one of key processing steps, and the coating uniformity directly influences the quality of the specialty paper.

Common coating methods at present include air knife coating, bar coating and blade coating, wherein the air knife coating is a coating method mainly developed in recent years, the coating layer is uniform, the coating amount is large, however, the requirement on the coating is high, and the blade coating can relatively realize a uniform coating layer; the scraper coating can ensure that the coating layer is relatively uniform and smooth and has large coating amount, and simultaneously the requirements on the coating and the base paper are not high, but solid substances such as chips, sundries and the like are easily generated in the long-time running process of the coating machine, and the sundries are easily accumulated at the contact position of the scraper and the base paper, so that the coating layer has streaks and the coating quality is directly influenced; the problem that appears more than relatively, the coating of bar scraper all can be solved, but, the thickness of coating layer is difficult to control in the coating of bar scraper, and the position movement of the scraper through gasbag drive is difficult to carry out accurate control, and the removal of scraper is loaded down with trivial details, can't carry out fast moving and accurate control in production.

Disclosure of Invention

In view of the above, the present invention provides an air bag scraper capable of more conveniently debugging and accurately controlling the thickness of a coating layer.

The technical scheme of the invention is realized as follows: the invention provides an air bag scraper which comprises a fixing frame, an elastic sheet, a scraper structure, an inflatable rubber strip and a rubber strip adjusting mechanism, wherein one end of the elastic sheet is fixedly arranged on the fixing frame, the scraper structure is detachably arranged at one end, away from the fixing frame, of the elastic sheet, the rubber strip adjusting mechanism is fixedly arranged on the fixing frame, the inflatable rubber strip is arranged at one end of the rubber strip adjusting mechanism, the length direction of the inflatable rubber strip is parallel to the length direction of the scraper structure, the inflatable rubber strip is arranged close to one surface, back to a scraper head, of the scraper structure, and the rubber strip adjusting mechanism is used for adjusting the distance between the inflatable rubber strip and the scraper structure.

On the basis of above technical scheme, preferred, still include the fixed block, adhesive tape adjustment mechanism still includes: the supporting rod is slidably mounted in the through hole, one end of the supporting rod and the end part of the screw rod, which is located on the inner side of the fixing block, are abutted to each other, one end, which is far away from the screw rod, of the supporting rod and the inflatable rubber strip are abutted to each other, the length directions of the screw rod and the supporting rod are parallel to each other, and the length direction of the screw rod and the length direction of the inflatable rubber strip are perpendicular to each other.

On the basis of above technical scheme, it is preferred, adhesive tape adjustment mechanism still includes the slider, the downside that the bracing piece is close to the one end of aerifing the adhesive tape is equipped with opening recess down, and one side that the slider is close to the bracing piece is equipped with arch up, arch and recess intermeshing, bellied one end is kept away from to the slider and aerifys adhesive tape fastening connection.

On the basis of the technical scheme, preferably, the number of the rubber strip adjusting mechanisms is not less than two, the through holes with the same number as the rubber strip adjusting mechanisms are arranged on the fixed block in an array mode, the through holes are in the same straight line, the straight line is parallel to the length direction of the inflatable rubber strip, and the rubber strip adjusting mechanisms are arranged in an array mode along the through holes in the arrangement direction.

Still further preferably, still include the centre gripping apron, the centre gripping apron is installed on the fixed block in the fastening, and the centre gripping apron is kept away from and is formed the spout between the one end of fixed block and the mount, the slider slides in the spout.

On the basis of the above technical scheme, preferably, the upper surface of mount is equipped with a plurality of guide ways, the length direction of guide way is parallel to each other with the length direction of bracing piece, and the lower surface of slider is equipped with the direction arch, and the direction arch embedding is in the guide way.

On the basis of the technical scheme, the elastic piece clamping device is preferred to further comprise an elastic piece clamping groove and a clamping rubber strip, the elastic piece clamping groove is formed in the fixing frame, the clamping rubber strip is fixedly installed on the side wall of the elastic piece clamping groove, and the elastic piece is installed in the elastic piece clamping groove in an embedded mode.

Compared with the prior art, the air bag scraper has the following beneficial effects:

(1) the air bag scraper provided by the invention adopts a plurality of groups of adhesive tape adjusting mechanisms to extrude different positions of the inflatable adhesive tape, so that the distance between the scraper structure and a roller shaft is adjusted, the purpose of adjusting the coating thickness is realized, meanwhile, the adjustment of different positions can also realize finer fine adjustment, compared with the inflation adjustment of the whole inflatable adhesive tape, the adjustment precision is higher, the adjustment can also be carried out in the production process, and the applicability is better;

(2) whole device simple structure aerifys and rotates the purpose that can reach and carry out coarse adjusting and fine setting through aerifing the adhesive tape and the screw rod of difference, and the regulation precision is high, and is efficient, and secondly the adhesive tape adjustment mechanism of mobile part and the scraper structure of the easy-to-wear part all can dismantle in the whole structure, and the installation of being convenient for has good using value and practicality.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is an isometric view of an air bag scraper of the present invention;

FIG. 2 is a schematic view of an exploded structure of the air bag scraper of the present invention;

FIG. 3 is an isometric view of the air bag scraper support bar of the present invention;

fig. 4 is an isometric view of the air bag scraper slide of the present invention.

In the figure: 1-fixing frame, 2-elastic sheet, 3-scraper structure, 4-inflation adhesive tape, 5-adhesive tape adjusting mechanism, 6-fixing block, 7-clamping cover plate, 8-chute, 9-elastic sheet clamping groove, 10-clamping adhesive tape, 11-guide groove, 51-screw, 52-nut, 53-supporting rod, 54-slide block, 531-groove, 541-projection, 542-guide projection and 61-through hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to 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 obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

As shown in figure 1, the air bag scraper comprises a fixed frame 1, an elastic sheet 2, a scraper structure 3, an inflatable rubber strip 4 and a rubber strip adjusting mechanism 5, wherein the fixed frame 1 is used for bearing relevant parts of the air bag scraper, one end of the elastic sheet 2 is fixedly arranged on the fixed frame 1, the scraper structure 3 is fixedly arranged at one end of the elastic sheet 2 far away from the fixed frame 1, the scraper structure 3 swings along with the bending of the elastic sheet 2, the rubber strip adjusting mechanism 5 is fixedly arranged on the fixed frame 1, one end of the rubber strip adjusting mechanism 5 is fixedly connected with the inflatable rubber strip 4, the inflatable rubber strip 4 is arranged close to the scraper structure 3, one surface of the scraper structure 3 close to the inflatable rubber strip 4 is arranged opposite to one side where a scraper head is positioned, the rubber strip adjusting mechanism 5 is used for adjusting the distance between the inflatable rubber strip 4 and the scraper structure 3, and when the inflatable rubber strip 4 is inflated, the inflatable rubber strip can be abutted against the scraper structure 3, and push away scraper structure 3 to the outside to realize adjusting the distance between scraper structure 3 and the roller, reach the purpose of adjusting paper surface coating thickness, adhesive tape adjustment mechanism 5 then can further adjust the distance between scraper structure 3 and the roller, play the effect of fine setting, further adjust coating thickness, adjust more accurately.

As shown in fig. 2, in a specific embodiment, the adhesive tape adjusting mechanism 5 further includes a fixed block 6, a screw 51, a nut 52 and a support rod 53, the fixed block 6 is fixedly mounted on the fixed frame 1, the fixed block 6 is provided with a plurality of through holes 61, the nut 52 is embedded in the through holes 61, the screw 51 is in threaded connection with the nut 52, one end of the screw 51 is located in the through hole 61, the support rod 52 is slidably mounted in the through hole 61, one end of the support rod 52 abuts against an end of the screw 51 located in the through hole 61, one end of the support rod 52 away from the screw 51 abuts against the adhesive tape 4, an axial direction of the screw 51 is parallel to an axial direction of the support rod 53, and an axial direction of the screw 51 is perpendicular to a length direction of the adhesive tape 4.

In the above embodiment, nut 52 is fixed relative to fixed block 6, it can adjust the position of the relative nut 52 of screw 51 to rotate screw 51, thereby reach the position of regulation bracing piece 53, and utilize bracing piece 53 to promote and aerify the motion of adhesive tape 4, because aerify adhesive tape 4 and can expand under the inflation status, but it possesses elasticity again, consequently, be used for adjusting the condition that the paper that rigid contact brought breaks and the roller damages can effectively be avoided to the distance between the relative roller of scraper structure 3, bracing piece 53 is at the in-process that removes simultaneously, partial displacement can turn into the deformation of aerifing the adhesive tape, but not direct transmission gives scraper structure 3, thereby make the process of fine setting more moderate, adjust more accurately.

As shown in fig. 3 and with reference to fig. 4, in a specific embodiment, the adhesive tape adjusting mechanism 5 further includes a slider 54, a groove 531 with a downward opening is formed at a lower side of one end of the support rod 53 close to the inflatable adhesive tape 4, an upward protrusion 541 is formed at a side of the slider 54 close to the support rod 53, the protrusion 541 and the groove 531 are engaged with each other, and an end of the slider 54 away from the protrusion 541 is fixedly connected to the inflatable adhesive tape 4.

In the above embodiment, the slide block 54 is used to fix and connect the inflatable rubber strip 4, so that the inflatable rubber strip 4 can be more conveniently replaced and detached, and the support rod 53 can be separated from the slide block 54 by lifting up.

In the above embodiment, it is preferable that the through hole 61 is a special-shaped hole, the support rod 53 is a prism, and the shape of the support rod 53 and the shape of the through hole 61 are matched with each other, so that the support rod 53 does not rotate during the sliding process in the through hole 61.

In the specific implementation mode, the number of the rubber strip adjusting mechanisms 5 is not less than two, the through holes 61 with the same number as the rubber strip adjusting mechanisms 5 are formed in the fixed block 6 in an array mode, the through holes 61 are in the same straight line, the straight line is parallel to the length direction of the inflatable rubber strip 4, and the rubber strip adjusting mechanisms 5 are arranged in parallel along the arrangement direction of the through holes 61.

In the above embodiment, the plurality of adhesive tape adjusting mechanisms 5 can adjust the position of the sliding block 54 at different positions along the length direction of the inflatable adhesive tape 4, so as to adjust the pressure and deformation at different positions of the inflatable adhesive tape 4, thereby achieving the purpose of fine adjustment at different positions, in practical production, usually, due to the defects of equipment mechanical design, inevitable installation defects, stress problems and the like, the distance between the scraper structure 3 and the rubber roller cannot be kept consistent, even local coating is too thick or too thin, and a conventional overall adjusting mode cannot meet the requirement of adjusting the local coating uniformity, the plurality of adhesive tape adjusting mechanisms 5 can extrude and adjust different positions of the inflatable adhesive tape 4, can extrude different positions of the scraper structure 3 to a certain extent, thereby can perform coating thickness adjustment at different positions to a certain extent, the technical problem that the conventional integral adjustment cannot solve is solved, the coating uniformity is better, and the adjustment is easier.

In a specific embodiment, the clamping device further comprises a clamping cover plate 7, the clamping cover plate 7 is fixedly installed on the fixed block 6, a sliding groove 8 is formed between one end, far away from the fixed block 6, of the clamping cover plate 7 and the fixed frame 1, and the sliding block 54 slides in the sliding groove 8.

In the above embodiment, the upper and lower end faces of the slider 54 are both abutted against the surface of the sliding groove 8, and the slider 54 can be ensured not to shake up and down in the sliding process by the above design, so that the smoothness of the adjusting process is ensured, and meanwhile, certain damping is provided for the adjusting process, so that the adjustment is more accurate, and the problem of excessive adjustment is avoided.

In a specific embodiment, the upper surface of the fixing frame 1 is provided with a plurality of guide grooves 11, the length direction of the guide grooves 11 is parallel to the length direction of the support bar 53, the lower surface of the slider 54 is provided with guide protrusions 542, and the guide protrusions 542 are embedded in the guide grooves 11.

In the above embodiment, through the cooperation of guide way 11 and guide projection 542, the horizontal direction's skew can not appear at the in-process that can make slider 54 remove to guarantee to aerify adhesive tape 4 and can not appear dragging at the in-process that removes, further improved the stability and the security of using that aerify adhesive tape 4 removed, make the regulation of coating thickness more stable.

In a specific embodiment, the elastic sheet clamping device further comprises an elastic sheet clamping groove 9 and a plurality of clamping adhesive tapes 10, the elastic sheet clamping groove 9 is arranged on the fixed frame 1, the clamping adhesive tapes 10 are fixedly arranged on the side wall of the elastic sheet clamping groove 9, and the elastic sheet 2 is embedded in the elastic sheet clamping groove 9.

In the above embodiment, as preferred, the open-ended direction of shell fragment clamp groove 9 and length direction all with bracing piece 53's length direction mutually perpendicular, aerify adhesive tape 4 and directly support after aerifing and hold on scraper structure 3, thereby exert pressure to it, make it be close to the roller, further distance fine setting is advanced in rethread bracing piece 53's removal, shell fragment 2 inserts and installs in shell fragment clamp groove 9, aerify to clamping adhesive tape 10 and can make it press from both sides tight shell fragment 2, this design can let shell fragment 2 dismantle more easily, thereby change and maintain scraper structure 3.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. An air bag scraper, comprising: mount (1), shell fragment (2), scraper structure (3), aerify adhesive tape (4), adhesive tape adjustment mechanism (5) and fixed block (6), the one end fastening of shell fragment (2) is installed on mount (1), and scraper structure (3) demountable installation is in the one end that mount (1) was kept away from in shell fragment (2), and adhesive tape adjustment mechanism (5) fixed mounting is on mount (1), aerify adhesive tape (4) and install the one end at adhesive tape adjustment mechanism (5), and aerify the length direction of adhesive tape (4) and be parallel to each other with the length direction of scraper structure (3), aerify adhesive tape (4) and be close to the one side setting of scraper head dorsad scraper structure (3), adhesive tape adjustment mechanism (5) are used for adjusting the distance of aerifing between adhesive tape (4) and scraper structure (3), adhesive tape adjustment mechanism (5) still includes: the fixing block (6) is fixedly arranged on the fixing frame (1), a through hole (61) is formed in the fixing block (6), the nut (52) is embedded in the through hole (61), the screw (51) is in threaded connection with the nut (52), the supporting rod (53) is slidably arranged in the through hole (61), one end of the supporting rod (53) and the end portion, located on the inner side of the fixing block (6), of the screw (51) are abutted against each other, one end, far away from the screw (51), of the supporting rod (53) is abutted against the inflatable rubber strip (4), the length directions of the screw (51) and the supporting rod (53) are parallel to each other, the length direction of the screw (51) is perpendicular to the length direction of the inflatable rubber strip (4), a groove (531) with a downward opening is formed in the lower side of one end, close to the inflatable rubber strip (4), of the supporting rod (53), one side that slider (54) is close to bracing piece (53) is equipped with arch (541) up, arch (541) and recess (531) intermeshing, the one end that arch (541) was kept away from in slider (54) and aerify adhesive tape (4) fastening connection, the quantity of adhesive tape adjustment mechanism (5) is no less than two, and the array is equipped with through-hole (61) the same with adhesive tape adjustment mechanism (5) quantity on fixed block (6), and a plurality of through-holes (61) are on same straight line, and the length direction of place straight line and aerifing adhesive tape (4) parallels, and adhesive tape adjustment mechanism (5) set up the direction array along through-hole (61) and set up the direction array and set up.

2. The air bag scraper according to claim 1, characterized by further comprising a clamping cover plate (7), wherein the clamping cover plate (7) is fixedly mounted on the fixed block (6), a sliding groove (8) is formed between one end of the clamping cover plate (7) far away from the fixed block (6) and the fixed frame (1), and the sliding block (54) slides in the sliding groove (8).

3. The air bag scraper according to claim 2 wherein the upper surface of the holder (1) is provided with a plurality of guide grooves (11), the direction of the guide grooves (11) and the length direction of the support bar (53) are parallel to each other, the lower surface of the slider (54) is provided with guide projections (542), and the guide projections (542) are fitted into the guide grooves (11).

4. The air bag scraper according to claim 1, further comprising a spring clip groove (9) and a clamping adhesive tape (10), wherein the spring clip groove (9) is formed in the fixing frame (1), the clamping adhesive tape (10) is fixedly mounted on a side wall of the spring clip groove (9), and the spring (2) is embedded in the spring clip groove (9).