Vertical plate corner coating device

Abstract

The utility model discloses a vertical plate corner coating device which comprises a coating roller, the coating roller is vertically and rotatably arranged, a coating surface used for being attached to the plate corner of a plate is formed on the coating roller, and the coating surface is a conical surface; the nozzle is used for spraying liquid to the coating surface, and the position of the nozzle corresponds to the coating surface; the coating device further comprises a coating roller driving mechanism, the coating roller driving mechanism comprises a motor, and the motor drives the coating roller to rotate. The vertical plate corner coating device disclosed by the utility model can prevent oil from overflowing out of the plate corner of the plate, thereby being beneficial to improving the coating effect of the plate corner.

Description

Technical Field

[0001] The utility model relates to the field of plate coating equipment, in particular to a plate corner vertical coating device. Background Art

[0002] At present, in the production process of furniture boards, after the edge of the board is sealed and polished, the corners of the board appear white (or lighter in color than the surrounding area) due to the chamfering process, which is obviously inconsistent with the color of the side and the top and bottom of the board. Therefore, the corners of the board need to be oiled or painted. Fig. 9 As shown, a cylindrical oiling roller 98 is currently used to coat the plate corner 991 of the plate 99. The rotation axis of the oiling roller 98 is approximately at an angle of 45 degrees to the horizontal plane. Since the plate 99 is horizontally conveyed by the conveyor belt device, the rotation axis of the oiling roller 98 is also approximately at an angle of 45 degrees to the plate 99, so that the cylindrical surface of the oiling roller 98 can only contact the plate corner 991. Fig. 9 Under the visual field, the plate 99 moves backward, the oiling roller 98 remains against the plate edge 991, and the oiling roller 98 rotates, so that the oiling roller 98 applies the oil sprayed on the cylindrical coating surface 981 of the oiling roller 98 to the plate edge 991. However, in actual application, in the operating state, liquid piles 97 are formed on the upper and lower sides of the plate edge 991. The reason is that the oil film on the oiling roller 98 has a certain thickness, but because the plate edge 991 squeezes the oil film at the corresponding position, the oil film is relatively convex on the upper and lower sides of the plate edge 991. Since the oil is roughly stationary relative to the cylindrical surface of the oiling roller 98, the liquid pile 97 cannot The liquid pile 97 diffuses and becomes thinner, so that the liquid pile 97 remains in a convex state, causing the oil to overflow to the bottom and sides of the plate 99. In the direction of conveying the plate 99, a second oiling roller 98 is also arranged for coating the upper plate edge 991 of the plate 99. Therefore, after the plate 99 is processed, there are slight convexities on both sides of the plate edge 991 of the plate 99, and the color of the side of the plate 99 and the upper and lower surfaces of the plate 99 close to the plate edge 991 is also affected, resulting in a negative impact on the appearance of the plate 99. Therefore, the coating effect of the coating structure of the plate edge in the prior art is not good, and it is necessary to improve it. Summary of the invention

[0003] The utility model aims to overcome the deficiencies of the prior art and provide a vertical coating device for plate corners, which is beneficial to improving the coating effect of plate corners.

[0004] The purpose of the utility model is achieved through the following technical solutions.

[0005] The utility model discloses a vertical coating device for plate corners, comprising a coating roller, which is arranged to rotate vertically and is formed with a coating surface for abutting against the plate corners of the plate, and the coating surface is set as a conical surface; it also includes a nozzle for spraying liquid to the coating surface, and the position of the nozzle corresponds to the coating surface.

[0006] Preferably, the vertical coating device for plate corners disclosed in the utility model further comprises a coating roller driving mechanism, and the coating roller driving mechanism comprises a motor, and the motor drives the coating roller to rotate.

[0007] Preferably, the vertical coating device for plate corners disclosed in the utility model also includes a rotating shaft, which is arranged to rotate vertically, and the coating roller includes a rubber sleeve part and a core sleeve part, the core sleeve part is coaxially arranged in the rubber sleeve part, the core sleeve part is detachably adapted to be mounted outside the rotating shaft, and the core sleeve part and the rotating shaft are positioned relative to each other in the circumferential direction.

[0008] Preferably, a collar portion is formed on the rotating shaft, a locking nut is coaxially threadedly connected to one end of the rotating shaft, and the core sleeve portion is sandwiched between the locking nut and the collar portion.

[0009] Preferably, the motor is driven and connected to the other end corresponding to the rotating shaft through a reducer.

[0010] Preferably, the vertical coating device for plate corners disclosed in the utility model further includes a scraping roller assembly, which includes a scraping roller for scraping the liquid sprayed by the nozzle onto the coating surface, and a scraping roller surface matching the coating surface is formed on the scraping roller.

[0011] Preferably, the scraping roller surface is configured as a conical surface, and the scraping roller surface is inverted relative to the coating surface.

[0012] Preferably, the scraper roller assembly includes a scraper roller positioning mechanism for driving the scraper roller surface to adjust the position in the radial direction of the coating roller, the scraper roller positioning mechanism includes a slide and a screw, the slide is slidably arranged, the scraper roller is relatively fixedly connected to the slide, the screw is rotatably arranged, and the screw is threadedly connected to the slide.

[0013] Preferably, the scraper roller includes a core shaft portion, the scraper roller surface is located on one side of the core shaft portion, a slot is formed at one end of the slide seat, the core shaft portion is adapted to be arranged in the slot, and the core shaft portion is connected to the bottom of the slot through a corresponding fastener.

[0014] Preferably, the cone angle of the coating surface is set to 85° to 95°.

[0015] Compared with the prior art, the utility model has the following beneficial effects: by setting the coating roller to rotate vertically, a coating surface for abutting against the edge and corner of the plate is formed on the coating roller, the coating surface is set as a conical surface, and a nozzle for spraying liquid to the coating surface is provided, and the position of the nozzle corresponds to the coating surface, which can prevent the oil from overflowing outside the edge and corner of the plate, thereby helping to improve the coating effect of the edge and corner of the plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a top view of the three-dimensional structure of the combination of the vertical coating device for plate corners and the plate according to the first embodiment of the utility model.

[0017] Figure 2 It is a front view structural schematic diagram of a combination of a vertical coating device for plate corners and a plate according to the first embodiment of the utility model.

[0018] Figure 3 for Figure 2 AA section view of the structure.

[0019] Figure 4 This is a schematic diagram of the coating roller of the first embodiment of the utility model coating the edge corners of a plate.

[0020] Figure 5 It is a top view of the three-dimensional structure of the vertical coating device for plate corners of the first embodiment of the utility model installed with a cover plate.

[0021] Figure 6 It is a three-dimensional structural schematic diagram of the connection structure between the nozzle and the pipe seat of the utility model.

[0022] Figure 7 It is a three-dimensional structural schematic diagram of the scraping roller assembly of the utility model.

[0023] Figure 8 It is a front view structural schematic diagram of a combination of a vertical coating device for plate corners and a plate according to a second embodiment of the utility model.

[0024] Fig. 9 This is a schematic diagram of the oil coating roller of the prior art coating the edge and corner of a plate.

[0025] Explanation of reference numerals: coating roller 1; rubber sleeve portion 11; core sleeve portion 12; coating surface 101; coating roller driving mechanism 2; motor 21; reducer 22; nozzle 3; connecting pipe 31; pipe seat 32; air pipe joint 33; scraper roller assembly 4; scraper roller 41; scraper roller surface 411; core shaft portion 412; scraper roller positioning mechanism 42; slide seat 421; slot 4211; dovetail seat 422; screw 423; hand wheel 424; cover plate 44; support 5; rotating shaft 6; shaft collar portion 601; locking nut 61; plate 99; plate edge 991; oiling roller 98; cylindrical coating surface 981; liquid pile 97. DETAILED DESCRIPTION

[0026] The utility model is further described below in conjunction with the accompanying drawings.

[0027] The utility model of the plate corner vertical coating device, such as Figures 1 to 3 As shown, the coating roller 1 is arranged to rotate vertically, that is, in actual application, the coating roller 1 is arranged to rotate around an axis perpendicular to the horizontal plane, and a coating surface 101 is formed on the coating roller 1 for contacting the plate corner 991 of the plate 99, and the coating surface 101 is set as a conical surface, so that the central axis of the coating surface 101 coincides with the rotation axis of the coating roller 1. Figure 1 As shown, the plate corner vertical coating device of the present invention further includes a nozzle 3 for spraying liquid to the coating surface 101, and the position of the nozzle 3 corresponds to the coating surface 101; since the technical principle of the nozzle 3 belongs to the prior art and is not the focus of the present invention, it will not be described in detail. Figure 6 As shown, a pipe seat 32 is installed on the support 5, and the connecting pipe 31 passes through the pipe seat 32 and is fixed by corresponding set screws. An air pipe joint 33 is provided at the upper end of the connecting pipe 31, and the nozzle 3 is connected to the lower end of the connecting pipe 31.

[0028] The working principle of the vertical coating device for plate corners of the utility model is briefly described below. Figure 1 and Figure 4 As shown, for example, the plate 99 is placed flat and clamped by the conveyor belt device and moved horizontally backward. The plate 99 is located on the right side of the rotation axis of the coating roller 1. The coating surface 101 is close to the plate corner 991 of the plate 99, so that the coating roller 1 rotates clockwise (in a top view), and the nozzle 3 sprays oil on the coating surface 101. As the coating surface 101 rotates, the oil film on the coating surface 101 will move circumferentially to the plate corner 991. The movement direction of the plate 99 is opposite to the rotation tangent direction of the coating surface 101, so the plate corner 991 relatively scrapes away the oil film on the coating surface 101, so that the plate corner 991 is coated with oil. Figure 4As shown in FIG. 1 , since the coating surface 101 is a conical surface, the surface area of ​​the portion with a relatively small outer diameter of the coating surface 101 is smaller than the surface area of ​​the portion with a relatively large outer diameter of the coating surface 101. Since the amount of oil sprayed is roughly the same, the oil film thickness of the portion with a relatively small outer diameter of the coating surface 101 is relatively large. Due to the centrifugal force, the oil on the coating surface 101 flows outward relative to the rotation axis, so the oil on the coating surface 101 is actually Figure 4 More specifically, the oil on the coating surface 101 is roughly stationary relative to the coating surface 101 in the circumferential direction, but the oil on the coating surface 101 moves relative to the coating roller 1 toward the end of the coating surface 101 with a larger outer diameter in the axial direction, so that the oil can flow unidirectionally relative to the axial direction on the coating surface 101, and the oil film squeezed open by the plate corner 991 immediately leaves the plate corner 991 due to the driving effect of the above-mentioned unidirectional relative flow and moves to the coating surface 101. Divergence can avoid the accumulation of raised oil on the upper and lower sides of the plate corner 991 (i.e. avoid the formation of liquid pile 97), and can avoid the oil from overflowing to the side and bottom of the plate 99; during this period, when the coating surface 101 is just sprayed with oil by the nozzle 3, the oil film thickness is relatively large at the relatively small outer diameter part of the coating surface 101, but because of the centrifugal force, the oil at the relatively small outer diameter part of the coating surface 101 can be supplemented to the relatively large outer diameter part of the coating surface 101, which is conducive to uniform coating of the plate corner 991. The second set of plate corner vertical coating devices of the utility model is arranged in the front-to-back direction (i.e. the conveying direction of the plate 99), such as Figure 8 As shown, the coating roller 1 of the second set of the vertical coating device for plate corners of the utility model is inverted, so the coating roller 1 can coat the upper plate corner 991 of the plate 99, and because the coating roller 1 can have a faster rotation speed, the oil on the coating surface 101 can overcome the effect of gravity and flow upward relative to the coating roller 1 (that is, the oil on the coating surface 101 moves axially relative to the coating roller 1 toward the end with a larger outer diameter of the coating surface 101), which can prevent the oil from overflowing onto the side and top of the plate 99. Specifically, the entire vertical coating device for plate corners can be inverted, or only the coating roller 1 can be inverted. It should be noted that the rotation tangent direction of the coating roller 1 is kept opposite to the conveying direction of the plate 99. In summary, the vertical coating device for plate corners of the utility model can prevent the oil from overflowing onto the plate corners 991 of the plate 99, so it is beneficial to improve the coating effect of the plate corners.

[0029] Assuming that the coating surface 101 rotates around a horizontal axis, although the coating surface 101 can also be close to the plate edge 991 at this time, when the coating surface 101 rotates, the oil on the coating surface 101 located on the lower side of the coating roller 1 will have a superposition of centrifugal force and gravity, which will cause the oil to be easily thrown off the coating surface 101 and splash onto the top or bottom of the plate 99; therefore, the utility model sets the rotation axis of the coating roller 1 vertically to avoid the superposition of centrifugal force and gravity of the oil.

[0030] Furthermore, if Figure 1 As shown, the plate corner vertical coating device of the utility model further includes a coating roller driving mechanism 2, and the coating roller driving mechanism 2 includes a motor 21, and the motor 21 drives the coating roller 1 to rotate. Figure 1 As shown, the vertical coating device for plate corners of the utility model also includes a support 5, a coating roller 1 is connected to the support 5 for relative rotation, a motor 21 is relatively fixed on the support 5, and the output shaft of the motor 21 drives the coating roller 1 to rotate, thereby realizing electric coating of the plate corners 991, which is beneficial to stabilize the rotation speed of the coating roller 1 to match the movement of the plate 99, thereby facilitating the stabilization of the coating effect.

[0031] Furthermore, if Figure 3 As shown, the vertical coating device for plate corners of the utility model also includes a rotating shaft 6, which is vertically rotatably arranged, and the rotating shaft 6 can be rotatably connected to the bracket 5 through a bearing, and the coating roller 1 includes a rubber sleeve portion 11 and a core sleeve portion 12, and the core sleeve portion 12 is coaxially arranged in the rubber sleeve portion 11, that is, the rubber sleeve portion 11 is coaxially wrapped outside the core sleeve portion 12, and the coating surface 101 is formed on the rubber sleeve portion 11, and the material of the rubber sleeve portion 11 can be silicone rubber, and the material of the core sleeve portion 12 can be steel, and the core sleeve portion 12 can be The detachable adapter is mounted outside the rotating shaft 6, and the core sleeve portion 12 is positioned relative to the rotating shaft 6 in the circumferential direction. For example, a set screw can be installed on the core sleeve portion 12, and the end of the set screw is pressed against the surface of the rotating shaft 6, so that the coating roller 1 can be relatively fixed to the rotating shaft 6. Therefore, through the above-mentioned arrangement, the core sleeve portion 12 is supported by the rotating shaft 6, and, for example, by removing the set screw, the coating roller 1 can be pulled away from the rotating shaft 6 in the axial direction, thereby facilitating the replacement of the coating roller 1.

[0032] Furthermore, if Figure 3As shown, a collar portion 601 is formed on the rotating shaft 6, and the collar portion 601 is an annular protruding structure, one end of the rotating shaft 6 is coaxially threaded with a locking nut 61, and the core sleeve portion 12 is clamped between the locking nut 61 and the collar portion 601. Therefore, when the coating roller 1 needs to be disassembled, the locking nut 61 can be first screwed off the rotating shaft 6, and then the coating roller 1 can be axially pulled away from the rotating shaft 6. During this period, the core sleeve portion 12 and the rotating shaft 6 can be connected by a flat key or a set screw; when the coating roller 1 needs to be installed, the core sleeve portion 12 is aligned and sleeved on the outside of the rotating shaft 6. When one end of the core sleeve portion 12 reaches the collar portion 601, the coating roller 1 is axially positioned, and then the locking nut 61 is installed and tightened. Through the above-mentioned arrangement, the coating roller 1 can be firmly axially positioned to avoid axial loosening of the coating roller 1 during operation, which is beneficial to stabilizing the relative position of the coating surface 101 and the plate edge corner 991, and is beneficial to stabilizing the coating effect.

[0033] Furthermore, if Figure 2 and Figure 3 As shown, the motor 21 is driven by the reducer 22 to connect the other end of the rotating shaft 6. Specifically, the reducer 22 is installed on the bracket 5, and the upper end of the rotating shaft 6 is inserted into the output end (hollow shaft) of the reducer 22 and connected through the corresponding flat key. The motor 21 is installed at the input end of the reducer 22, so that the torque output by the motor 21 to the coating roller 1 can be increased, and the circumferential jitter phenomenon of the coating roller 1 when it is scratched by the plate corner 991 can be avoided, that is, the coating roller 1 is given a greater resistance to resistance, which is conducive to the stable rotation of the coating roller 1.

[0034] Furthermore, if Figure 1 , Figure 2 and Figure 7As shown, the vertical coating device for plate corners of the utility model further includes a scraping roller assembly 4, which includes a scraping roller 41 for scraping the liquid sprayed by the nozzle 3 on the coating surface 101, and a scraping roller surface 411 matching the coating surface 101 is formed on the scraping roller 41, that is, the scraping roller surface 411 is inclined to adapt to the generatrix of the coating surface 101 (conical surface). During operation, the nozzle 3 sprays the oil on the coating surface 101, and as the coating roller 1 rotates, the oil first moves circumferentially to reach between the scraping roller surface 411 and the coating surface 101, and the excess oil is intercepted by the scraping roller surface 411, and a part of the oil passes through the gap between the scraping roller surface 411 and the coating surface 101, and then the oil film on the coating surface 101 reaches the plate corner 991; by setting the scraping roller 41, it is beneficial to stabilize the amount of oil reaching the plate corner 991, and to stabilize the coating effect. In order to allow the oil in the relatively smaller outer diameter portion of the coating surface 101 to be replenished to the relatively larger outer diameter portion of the coating surface 101, the gap between the scraper roller surface 411 and the relatively smaller diameter end of the coating surface 101 can be set to be larger, and the gap between the scraper roller surface 411 and the relatively larger diameter end of the coating surface 101 can be set to be smaller.

[0035] Furthermore, if Figure 7 As shown, the scraping roller surface 411 is set as a conical surface, and the scraping roller surface 411 is inverted relative to the coating surface 101. Figure 2 For example, the coating surface 101 is a right conical surface, and the scraping roller surface 411 is an inverted conical surface, so that the generatrix of the scraping roller surface 411 can be roughly parallel to the generatrix of the coating surface 101. Since the scraping roller surface 411 and the coating surface 101 are both outer conical surfaces, a gradually narrowing liquid inlet channel is formed between the coating surface 101 and the scraping roller surface 411, which is conducive to the relatively smooth passage of oil between the coating surface 101 and the scraping roller surface 411, avoiding the formation of bubbles between the coating surface 101 and the scraping roller surface 411, and avoiding the formation of obvious oil-free areas on the coating surface 101, which is conducive to the stable coating of the plate corners 991.

[0036] Furthermore, if Figure 7As shown, the scraper roller assembly 4 includes a scraper roller positioning mechanism 42 for driving the scraper roller surface 411 to adjust the position in the radial direction of the coating roller 1. The scraper roller positioning mechanism 42 includes a slide 421 and a screw 423. The slide 421 is slidably arranged. Specifically, a dovetail seat 422 is installed on one side of the support 5. The slide 421 and the dovetail seat 422 are horizontally and linearly arranged. The scraper roller 41 is relatively fixedly connected to the slide 421. The screw 423 is rotatably arranged. For example, a plate seat is installed on one side of the support 5. The screw 423 is connected to the plate seat through a thrust ball bearing. The screw 423 is connected to the plate seat, and a shoulder structure is formed on the screw 423. The shoulder structure and the nut screwed on the screw 423 clamp the plate seat, so as to position the screw 423 axially. The screw 423 is screwed to the slide seat 421, and a hand wheel 424 is also installed at the tail end of the screw 423; therefore, by turning the hand wheel 424, the screw 423 can be driven to rotate synchronously, and the screw 423 can drive the slide seat 421 and the scraper roller 41 to move horizontally and linearly together, so that the gap between the scraper roller surface 411 and the coating surface 101 can be adjusted to adjust the amount of oil applied to the plate corner 991. Figure 5 As shown, the connection portion between the screw rod 423 and the slide seat 421 may be covered with a cover plate 44 .

[0037] Furthermore, if Figure 7 As shown, the scraper roller 41 includes a core shaft portion 412, and the scraper roller surface 411 is located on one side of the core shaft portion 412. A slot 4211 is formed at one end of the slide 421. The core shaft portion 412 is adapted to be arranged in the slot 4211. The core shaft portion 412 is connected to the bottom of the slot 4211 through a corresponding fastener. Specifically, a mounting surface is milled on one side of the core shaft portion 412, and the above-mentioned mounting surface is abutted against the bottom of the slot 4211. The above-mentioned fastener can be a screw, which passes through the bottom of the slot 4211 and is threadedly connected to the core shaft portion 412, so that the scraper roller 41 and the slide 421 are convenient to install and position.

[0038] Furthermore, the cone angle of the coating surface 101 is set to 85° to 95°, so that the angle between the generatrix of the coating surface 101 in contact with the plate edge corner 991 and the plate 99 is 42.5° to 47.5°. Since the side of the plate 99 is usually perpendicular to the upper and lower surfaces of the plate 99, the above setting is conducive to making the angle between the side of the plate 99 and the coating surface 101 roughly equal to the angle between the bottom of the plate 99 and the coating surface 101, avoiding oil bias on both sides of the plate edge corner 991, which is conducive to uniform coating of the plate edge corner 991.

Claims

1. A vertical coating device for plate corners, characterized in that: The invention comprises a coating roller (1), the coating roller (1) being arranged to rotate vertically, the coating roller (1) being provided with a coating surface (101) for abutting against a plate edge (991) of a plate (99), the coating surface (101) being provided as a conical surface; and a nozzle (3) for spraying liquid onto the coating surface (101), the nozzle (3) being located corresponding to the coating surface (101).

2. The vertical coating device for plate corners according to claim 1 is characterized in that: It also comprises a coating roller driving mechanism (2), wherein the coating roller driving mechanism (2) comprises a motor (21), and the motor (21) drives the coating roller (1) to rotate.

3. The vertical coating device for plate corners according to claim 2 is characterized in that: The coating roller (1) further comprises a rotating shaft (6), wherein the rotating shaft (6) is arranged to rotate vertically, and the coating roller (1) comprises a rubber sleeve portion (11) and a core sleeve portion (12), wherein the core sleeve portion (12) is coaxially arranged inside the rubber sleeve portion (11), and the core sleeve portion (12) is detachably adapted to be mounted outside the rotating shaft (6), and the core sleeve portion (12) and the rotating shaft (6) are positioned relative to each other in the circumferential direction.

4. The vertical coating device for plate corners according to claim 3 is characterized in that: A shaft collar portion (601) is formed on the rotating shaft (6), a locking nut (61) is coaxially threadedly connected to one end of the rotating shaft (6), and the core sleeve portion (12) is sandwiched between the locking nut (61) and the shaft collar portion (601).

5. The vertical coating device for plate corners according to claim 4 is characterized in that: The motor (21) is driven by a reducer (22) to connect to the other end of the rotating shaft (6).

6. The vertical coating device for plate corners according to claim 1 is characterized in that: The invention also comprises a scraping roller assembly (4), wherein the scraping roller assembly (4) comprises a scraping roller (41) for scraping liquid sprayed by the nozzle (3) onto the coating surface (101), and a scraping roller surface (411) matching the coating surface (101) is formed on the scraping roller (41).

7. The vertical coating device for plate corners according to claim 6 is characterized in that: The scraping roller surface (411) is configured as a conical surface, and the scraping roller surface (411) is inverted relative to the coating surface (101).

8. The vertical coating device for plate corners according to claim 6 is characterized in that: The scraper roller assembly (4) comprises a scraper roller positioning mechanism (42) for driving the scraper roller surface (411) to adjust its position in the radial direction of the coating roller (1); the scraper roller positioning mechanism (42) comprises a slide seat (421) and a screw rod (423); the slide seat (421) is slidably arranged, the scraper roller (41) is relatively fixedly connected to the slide seat (421), and the screw rod (423) is rotatably arranged, and the screw rod (423) is screwed to the slide seat (421).

9. The vertical coating device for plate corners according to claim 8, characterized in that: The scraping roller (41) comprises a core shaft portion (412), the scraping roller surface (411) is located on one side of the core shaft portion (412), a slot (4211) is formed at one end of the slide seat (421), the core shaft portion (412) is adapted to be arranged in the slot (4211), and the core shaft portion (412) is connected to the bottom of the slot (4211) via a corresponding fastener.

10. The vertical coating device for plate corners according to claim 1, characterized in that: The cone angle of the coating surface (101) is set to 85° to 95°.

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