Polyurethane adhesive blade coating mechanism

Abstract

The utility model provides a polyurethane adhesive blade coating mechanism which comprises a scraper blade, support lugs are installed at the two ends of the scraper blade, supports are arranged at the two ends of the scraper blade, notches are formed in the opposite faces of the two supports, and the support lugs at the two ends of the scraper blade are inserted into the two notches respectively. The upper end of the support is provided with a top seat used for blocking the notch through two connecting screws, the upper surface of the top seat is provided with a shielding plate used for hiding the connecting screws, the shielding plate is connected with the top seat through a connecting piece, the upper surface of the shielding plate is provided with a guide cylinder, and an adjusting rod is inserted in the guide cylinder; the lower end of the adjusting rod penetrates through the top seat and extends into the notch, the end, located in the notch, of the adjusting rod is connected with the supporting lug, and the outer surface of the guide cylinder is in threaded connection with a positioning piece used for limiting the relative position of the guide cylinder and the adjusting rod.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of polyurethane adhesive blade coating mechanisms, belong to adhesive blade coating field. BACKGROUND

[0002] Polyurethane adhesive can form excellent bonding effect with various substrates due to its unique chemical structure. Specifically, it shows excellent chemical bonding force on materials containing active hydrogen (such as foam, plastic, wood, leather, fabric, paper, ceramic and other porous materials) and smooth surface metals, glass, rubber and plastic materials. The scraper is a commonly used device for polyurethane adhesive blade coating. The both ends of the scraper are equipped with supports for the end position of the scraper. An adjusting rod for adjusting the height of the scraper is installed on the support. The adjusting rod is connected to the lug at the end of the scraper. A positioning screw for limiting the position of the adjusting rod is threadedly connected to the support. During the blade coating process, some polyurethane adhesive spreads onto the positioning screw, affecting the tightening of the positioning screw, and thus preventing the adjusting rod from being adjusted normally. Therefore, it is necessary to design a polyurethane adhesive blade coating mechanism that prevents polyurethane adhesive from affecting the tightening of the positioning screw. SUMMARY

[0003] To overcome the shortcomings of the prior art, the utility model provides a polyurethane adhesive blade coating mechanism to solve the problems raised in the background art. The utility model prevents polyurethane adhesive from affecting the tightening of the positioning screw.

[0004] To achieve the above-mentioned purpose, the utility model is implemented by the following technical solutions: a polyurethane adhesive blade coating mechanism, comprising a scraper, both ends of the scraper are equipped with lugs, both ends of the scraper are equipped with supports, both supports are equipped with notches on the opposite surfaces, the lugs at both ends of the scraper are inserted into the notches, a top seat for plugging the notches is installed on the upper end of the support through two connecting screws, a shielding plate for hiding the connecting screws is provided on the upper surface of the top seat, the shielding plate is connected to the top seat through a connecting piece, a guide cylinder is installed on the upper surface of the shielding plate, an adjusting rod is inserted into the guide cylinder, the lower end of the adjusting rod penetrates through the top seat and extends into the notch, one end of the adjusting rod in the notch is connected to the lug, and a positioning member for limiting the relative position of the guide cylinder and the adjusting rod is threadedly connected to the outer surface of the guide cylinder.

[0005] Further, the positioning member comprises a sleeve, the outer surface of the guide cylinder is provided with a through hole, the outer side of the through hole is provided with the sleeve arranged concentrically with the through hole, one end of the sleeve is connected and fixed with the guide cylinder, the middle position of the inner side of the guide cylinder is connected and fixed with a positioning disc, the middle position of one side of the positioning disc is provided with a threaded hole, the threaded hole is threadedly connected with a positioning screw for limiting the relative position of the guide cylinder and the adjusting rod, two discs are sleeved on the positioning screw and are connected and fixed with the positioning screw, the positioning disc is arranged between the two discs, and the spacing between the two discs is half of the length of the sleeve.

[0006] Further, the connecting member comprises a connecting plate, one side of the top base is provided with the connecting plate, one end of the shielding plate extends to the upper side of the connecting plate, the upper surface of the shielding plate is provided with two upper circular holes, the upper surface of the connecting plate is provided with two lower circular holes aligned with the upper circular holes, a limiting screw is inserted into the channel formed by the upper circular hole and the aligned lower circular hole, the lower end of the limiting screw is threadedly connected with a nut, and the nut is arranged on the side of the connecting plate away from the shielding plate.

[0007] Further, the lower end of the support base is provided with a clamping groove, a plurality of through holes for inserting bolts are formed in the two parallel sides of the clamping groove.

[0008] Further, one side of the supporting lug is provided with a positioning hole, the lower end of the adjusting rod is arranged in the positioning hole, and the supporting lug and the scraping plate are formed in an integral mode.

[0009] Further, one side of the supporting lug is provided with a positioning hole, the lower end of the adjusting rod is arranged in the positioning hole, and the supporting lug and the scraping plate are formed in an integral mode.

[0010] The beneficial effects of the utility model are as follows:

[0011] 1, the connecting part of the positioning screw and the threaded hole is hidden in the space formed by the two discs and the sleeve, when the positioning screw is screwed, the positioning screw drives the two discs to slide in the sleeve, the two discs and the positioning disc cooperate with each other, so that the disc does not separate from the sleeve, the real-time shielding of the connecting part of the positioning screw and the threaded hole is realized, and the influence of the polyurethane adhesive on the screwing of the positioning screw is prevented.

[0012] 2, the guide cylinder is installed on the shielding plate, then the shielding plate covers the top seat, then the fastener formed by the limiting screw and the nut limits the relative position of the shielding plate and the connecting plate, on the one hand, the assembly of the guide cylinder and the top seat is completed, on the other hand, the connecting screw limiting the position of the top seat and the support is shielded, preventing the polyurethane adhesive from adhering to the connecting screw to affect the disassembly of the connecting screw, so that there is a gap between the shielding plate and the connecting plate, when the limiting screw and the nut cannot be normally disassembled due to the adhesion of the polyurethane adhesive, the limiting screw can be cut off by using the gap between the shielding plate and the connecting plate, so that the disassembly of the top seat and the support is not affected, that is, the disassembly and replacement of the scraper in the later stage are not affected. BRIEF DESCRIPTION OF DRAWINGS

[0013] Other features, objects and advantages of the present application will become more apparent from the following detailed description of non-limiting embodiments, read in conjunction with the accompanying drawings:

[0014] Figure 1 It is a structure diagram of the polyurethane adhesive scraping mechanism of the present application;

[0015] Figure 2 It is an assembly diagram of the top seat and the support in the polyurethane adhesive scraping mechanism of the present application;

[0016] Figure 3 It is an assembly diagram of the support lug and the scraper in the polyurethane adhesive scraping mechanism of the present application;

[0017] Figure 4 It is an assembly diagram of the disc, the positioning screw, the pipe sleeve, the guide cylinder and the shielding plate in the polyurethane adhesive scraping mechanism of the present application;

[0018] Figure 5 It is a sectional assembly diagram of the disc, the positioning screw, the pipe sleeve, the guide cylinder and the shielding plate in the polyurethane adhesive scraping mechanism of the present application;

[0019] In the figure: 1-Scraper, 2-Connecting plate, 3-Nut, 4-Slot, 5-Support, 6-Ruler, 7-Notch, 8-Top seat, 9-Positioning screw, 10-Pipe sleeve, 11-Adjusting rod, 12-Guide cylinder, 13-Shielding plate, 14-Limiting screw, 15-Connecting screw, 16-Triangle plate, 17-Positioning hole, 18-Support lug, 19-Disc, 20-Positioning disc. DETAILED DESCRIPTION

[0020] In order to make the technical means, creative features, purposes and effects achieved by the present application easy to understand, the present application will be further described below in conjunction with specific embodiments.

[0021] Please refer to Figures 1-4The utility model provides a technical scheme: a kind of polyurethane adhesive blade coating mechanism, including blade 1, both ends of blade 1 are equipped with the lug 18 of integrally formed structure with blade 1, both ends of blade 1 are equipped with support 5, both ends of blade 1 are respectively inserted in two notches 7, support 5 upper end is equipped with the top seat 8 for plugging notch 7 by two connecting screws 15, the upper surface of top seat 8 is equipped with the baffle 13 for hiding connecting screw 15, baffle 13 upper surface is equipped with guide cylinder 12, guide cylinder 12 is inserted with adjusting rod 11, adjusting rod 11 lower end penetrates top seat 8 and extends to notch 7, one end of adjusting rod 11 in notch 7 is connected with lug 18, wherein lug 18 one side surface is equipped with positioning hole 17, so that adjusting rod 11 lower end is installed in positioning hole 17, increase the connection range of adjusting rod 11 and lug 18, the position of adjusting rod 11 is adjusted along guide cylinder 12, and then adjusting rod 11 drives lug 18 to slide along notch 7, and then the height of blade 1 changes, the height of blade 1 is adjusted according to need.

[0022] Referring to Figures 1-3 Support 5 lower end is equipped with clamping groove 4, two parallel sides in clamping groove 4 are equipped with a plurality of through holes for inserting bolt, clamping groove 4 is clamped on the clamping seat on support carrier, then bolt is used to connect support 5 and clamping seat, the position of support 5 is limited, lug 18 is formed into triangular plate 16 on the side away from blade 1, both sides of two supports 5 are equipped with scale 6, when adjusting the height of blade 1, one sharp corner on triangular plate 16 cooperates with scale line on scale 6, so that the height of blade 1 is conveniently observed intuitively.

[0023] Referring to Figure 1 、 Figure 2 、 Figure 4 And Figure 5The side of the top base 8 is provided with a connecting plate 2, one end of the shielding plate 13 extends to the upper side of the connecting plate 2, two upper round holes are formed in the upper surface of the shielding plate 13, two lower round holes aligned with the upper round holes are formed in the upper surface of the connecting plate 2, the limiting screw 14 is inserted into the channel formed by the upper round hole and the lower round hole aligned with the upper round hole, the lower end of the limiting screw 14 is threadedly connected with the nut 3, the nut 3 is arranged on the side of the connecting plate 2 away from the shielding plate 13, the guide cylinder 12 is arranged on the shielding plate 13, then the shielding plate 13 covers the top base 8, then the relative position of the shielding plate 13 and the connecting plate 2 is limited by the fastener formed by the limiting screw 14 and the nut 3, on the one hand, the assembly of the guide cylinder 12 and the top base 8 is completed, on the other hand, the connecting screw 15 limiting the position of the top base 8 and the support 5 is shielded, preventing the polyurethane adhesive from adhering to the connecting screw 15 to affect the disassembly of the connecting screw 15, and the gap between the shielding plate 13 and the connecting plate 2 exists, when the limiting screw 14 and the nut 3 cannot be normally disassembled due to the polyurethane adhesive, the limiting screw 14 can be cut off by using the gap between the shielding plate 13 and the connecting plate 2, so that the disassembly of the top base 8 and the support 5 is not affected, that is, the disassembly and replacement of the scraper 1 in the later stage is not affected.

[0024] Referring to Figure 1 , Figure 4 and Figure 5 , the outer surface of the guide cylinder 12 is provided with a through hole, the outer side of the through hole is provided with a sleeve 10 concentrically arranged with the through hole, one end of the sleeve 10 is connected and fixed with the guide cylinder 12, the middle position in the guide cylinder 12 is connected and fixed with a positioning disc 20, the middle position of one side of the positioning disc 20 is provided with a threaded hole, the threaded hole is threadedly connected with a positioning screw 9 for limiting the relative position of the guide cylinder 12 and the adjusting rod 11, the positioning screw 9 is sleeved with two discs 19 connected and fixed with the positioning screw 9, the discs 19 are slidingly installed in the sleeve 10, the positioning disc 20 is arranged between the two discs 19, the spacing between the two discs 19 is half the length of the sleeve 10, the connecting part of the positioning screw 9 and the threaded hole is hidden in the space formed by the two discs 19 and the sleeve 10, when the positioning screw 9 is screwed, the positioning screw 9 drives the two discs 19 to slide in the sleeve 10, the two discs 19 cooperate with the positioning disc 20, so that the disc 19 does not move away from the sleeve 10, the connecting part of the positioning screw 9 and the threaded hole is shielded and hidden in real time, preventing the polyurethane adhesive from affecting the screwing of the positioning screw 9.

[0025] Although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. A polyurethane adhesive doctoring mechanism comprising a doctor blade (1) characterised in that: Both ends of the blade (1) are provided with lugs (18), both ends of the blade (1) are provided with supports (5), both opposite surfaces of the two supports (5) are provided with notches (7), the lugs (18) at both ends of the blade (1) are respectively inserted into the two notches (7), the upper end of the support (5) is provided with a top seat (8) for plugging the notch (7) through two connecting screws (15), the upper surface of the top seat (8) is provided with a shielding plate (13) for hiding the connecting screw (15), the shielding plate (13) is connected with the top seat (8) through a connecting piece, the upper surface of the shielding plate (13) is provided with a guide cylinder (12), the guide cylinder (12) is inserted into an adjusting rod (11), the lower end of the adjusting rod (11) penetrates through the top seat (8) and extends into the notch (7), one end of the adjusting rod (11) in the notch (7) is connected with the lug (18), the outer surface of the guide cylinder (12) is threadedly connected with a positioning piece for limiting the relative position of the guide cylinder (12) and the adjusting rod (11).

2. A polyurethane adhesive doctoring mechanism according to claim 1, characterised in that: The positioning piece comprises a sleeve (10), the outer surface of the guide cylinder (12) is provided with a through hole, the outer side of the through hole is provided with a sleeve (10) arranged concentrically with the through hole, one end of the sleeve (10) is connected and fixed with the guide cylinder (12), a positioning disc (20) is connected and fixed at the middle position in the guide cylinder (12), a threaded hole is formed in the middle position of one side of the positioning disc (20), a positioning screw (9) for limiting the relative position of the guide cylinder (12) and the adjusting rod (11) is threadedly connected in the threaded hole, two discs (19) connected fixedly with the positioning screw (9) are sleeved on the positioning screw (9), the discs (19) are slidingly installed in the sleeve (10), the positioning disc (20) is arranged between the two discs (19), and the spacing between the two discs (19) is half the length of the sleeve (10).

3. A polyurethane adhesive doctoring mechanism according to claim 1, wherein: The connecting piece comprises a connecting plate (2), the connecting plate (2) is installed on one side of the top seat (8), one end of the shielding plate (13) extends to the upper side of the connecting plate (2), two upper circular holes are formed in the upper surface of the shielding plate (13), two lower circular holes aligned with the upper circular holes are formed in the upper surface of the connecting plate (2), a limiting screw (14) is inserted into the channel formed by the upper circular hole and the aligned lower circular hole, a nut (3) is threadedly connected to the lower end of the limiting screw (14), and the nut (3) is arranged on the side of the connecting plate (2) away from the shielding plate (13).

4. A polyurethane adhesive doctoring mechanism according to claim 1, wherein: A clamping groove (4) is formed in the lower end of the support (5), a plurality of through holes for inserting bolts are formed in both parallel sides of the clamping groove (4).

5. A polyurethane adhesive doctoring mechanism according to claim 1 wherein: A positioning hole (17) is formed in one side of the lug (18), the lower end of the adjusting rod (11) is installed in the positioning hole (17), and the lug (18) and the blade (1) are integrally formed.

6. A polyurethane adhesive doctoring mechanism according to claim 1 wherein: One side of the lug (18) away from the blade (1) is protruded to form a triangular plate (16), the opposite surfaces of the two supports (5) are respectively provided with a scale ruler (6), and one of the sharp corners of the triangular plate (16) cooperates with the scale line on the scale ruler (6).

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