Polyurethane spraying device

By designing a polyurethane spraying device with an adjustment unit and a spraying unit, the problems of unevenness and poor adaptability of handheld spraying were solved, and uniform spraying and consistent thickness were achieved on the roller surface.

CN223628834UActive Publication Date: 2025-12-05ZHEJIANG ZHENGRONG ROLLER CO LTD
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Patent Information

Application Number
CN202423104395.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-16
Publication Date
2025-12-05
Estimated Expiration
2034-12-16

AI Technical Summary

Technical Problem

In the existing technology, it is difficult for handheld spray guns to uniformly spray polyurethane adhesive layer on the roller surface, resulting in inconsistent thickness and difficulty in adapting to rollers of different sizes, which affects the spraying effect.

Method used

A polyurethane spraying device was designed, comprising an adjustment unit and a spraying unit. The movement of the spraying unit and the spacing of the spraying body are adjusted by controlling the motor, so as to achieve uniform spraying on the surface of the roller and adapt to rollers of different sizes.

Benefits of technology

Uniform spraying was achieved on the roller surface, ensuring consistent polyurethane adhesive layer thickness and improving spraying effect and adaptability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of spraying equipment, and particularly relates to a polyurethane spraying device which comprises a bottom plate, and two supports are arranged at the top of the bottom plate. The adjusting unit comprises a telescopic column, a top plate, a lead screw, a motor, a mounting block and a moving block, the top plate is fixed to the top end of the telescopic column, the mounting block is fixedly connected with the top plate, the motor is arranged on the top plate, one end of the lead screw is rotatably connected with the mounting block, the other end of the lead screw is fixedly connected with the output end of the motor, and the moving block is slidably connected with the lead screw; the spraying unit comprises a plurality of spraying bodies and connecting pieces, every two spraying bodies are detachably connected through the connecting pieces, each connecting piece comprises an adjusting column, a first adjusting rod and a second adjusting rod, and the two ends of each adjusting column are provided with a first threaded groove and a second threaded groove which are opposite in thread direction; the first adjusting rod and the second adjusting rod are in threaded connection with the first threaded groove and the second threaded groove respectively. The device can be used for uniformly spraying roller bodies with different sizes.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to spraying equipment technical field, concretely relates to a polyurethane spraying device. BACKGROUND

[0002] After the roller production, often need to be in the main body of the roller side spraying coating, to enhance the performance of the roller.

[0003] Polyurethane glue is a kind of good coating material, such as in the printing field, the roller body side sprays polyurethane glue layer and can enhance the viscosity of the roller body surface, can guarantee that the rubber roller has good ink transmission and inking performance in the printing process, when the current polyurethane glue roller sprays polyurethane, often adopts handheld spraying gun to spray the roller body, the spraying method cannot uniformly spray polyurethane glue layer on the surface of the roller body, leading to the thickness of polyurethane glue layer, influence use, and the size of the required spraying roller is different, leading to the difficulty of workers to grasp, leading to the further weakening of spraying effect. UTILITY MODEL CONTENTS

[0004] The utility model purpose is just to solve the problem in the background art, here proposes a new polyurethane spraying device, the polyurethane spraying device can be uniformly sprayed on the surface of the roller body of different sizes.

[0005] The technical scheme adopted to realize the above object is a polyurethane spraying device, the polyurethane spraying device comprises:

[0006] The bottom plate is provided with two supports on the top;

[0007] The adjusting unit comprises a telescopic column, a top plate, a lead screw, a motor, a mounting block and a moving block, the top plate is fixed to the top end of the telescopic column, the mounting block is fixedly connected with the top plate, the motor is arranged on the top plate, one end of the lead screw is rotatably connected with the mounting block, the other end of the lead screw is fixedly connected with the output end of the motor, and the moving block is slidably connected with the lead screw.

[0008] The spraying unit comprises a plurality of spraying bodies and connecting pieces, the spraying bodies are detachably connected with each other through the connecting pieces, the connecting piece comprises an adjusting column, a first adjusting rod and a second adjusting rod, the adjusting column is provided with two first screw grooves and second screw grooves with opposite screw directions at both ends, and the first adjusting rod and the second adjusting rod are threadedly connected with the first screw groove and the second screw groove respectively.

[0009] In the above technical scheme, the left and right movement of the spraying unit can be controlled by the adjusting unit, and the roller body surface is sprayed from left to right in turn, the spraying time can be ensured by the motor control, so that the spraying thickness is uniform, and the distance between the spraying bodies can be adjusted by the connecting piece, so that the roller body of different sizes is sprayed.

[0010] Further, the spraying main body comprises a feeding pipe and a spraying assembly, a plurality of spray heads are arranged on the spraying assembly, and the feeding pipe is communicated with the spraying assembly.

[0011] Further, the spraying assembly is arc-shaped, and the spray heads are arranged at equal intervals along the inner side of the spraying assembly.

[0012] In the above technical solution, the arc-shaped spraying assembly is used to spray the cylindrical roller body, which is beneficial to the full spraying of polyurethane paint on the surface of the roller body.

[0013] Further, the polyurethane spraying device further comprises a second connecting piece, and the two ends of the second connecting piece are detachably connected with the moving block and the spraying main body respectively.

[0014] In the above technical solution, the spraying main body is fixed on the moving block through the second connecting piece, which is convenient for the installation of the staff and is beneficial to the disassembly and maintenance.

[0015] Further, the adjusting unit is provided with at least two telescopic columns, and the two supports are located between the two telescopic columns.

[0016] In the above technical solution, it is ensured that the spraying unit can completely spray the roller body.

[0017] Further, all the spraying assemblies in the spraying unit can be combined into a circular ring.

[0018] In the above technical solution, the spraying assembly can be selected as a semicircular ring, a quarter circular ring, etc., and the more spraying assemblies are selected, the better the uniformity of the spraying of the roller body.

[0019] Further, the adjusting column is provided with a stripe belt on the side thereof.

[0020] In the above technical solution, the stripe belt is beneficial to the rotation of the adjusting column by the staff, and is convenient for adjusting the distance between the spraying main bodies.

[0021] Further, the adjusting unit further comprises a sliding wheel, and the sliding wheel is arranged at the bottom of the telescopic column.

[0022] In the above technical solution, the adjusting unit can be moved through the arrangement of the sliding wheel, and the use flexibility of the device is enhanced.

[0023] The advantages of the utility model lie in:

[0024] 1、 the utility model discloses a adjusting unit, and the uniform speed movement of moving block is controlled by motor, thereby the uniform speed movement of spraying unit is driven, so that spraying unit can evenly spray the surface of roller body.

[0025] 2. The utility model discloses a first adjusting rod and second adjusting rod are set up through the adjusting column, and the interval between the spraying main body is adjusted through the rotation adjusting column to reach the purpose of spraying the roller body of different size. BRIEF DESCRIPTION OF DRAWINGS

[0026] In order to make the person in the art better understand the utility model scheme, the technical scheme in the embodiment of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiment of the utility model, obviously, the described embodiment is only a part of the embodiment of the utility model but not all the embodiment, based on the embodiment of the utility model, the person skilled in the art obtains all other embodiments without creative labor, and all belong to the protection scope of the utility model.

[0027] Figure 1 It is the structural diagram of the utility model polyurethane spraying device;

[0028] Figure 2 It is the structural diagram of the utility model spraying unit;

[0029] Figure 3 It is the structural diagram of the utility model connecting piece.

[0030] Illustration: 1, bottom plate, 2, adjusting unit, 3, spraying unit, 4, spraying main body, 5, connecting piece, 6, second connecting piece, 101, support, 201, telescopic column, 202, top plate, 203, screw rod, 204, motor, 205, mounting block, 206, moving block, 401, feed pipe, 402, spraying assembly, 403, spray head, 501, adjusting column, 502, first adjusting rod, 503, second adjusting rod, 504, first screw groove, 505, second screw groove, 506, stripe belt. DETAILED DESCRIPTION

[0031] In order to make the person in the art better understand the utility model scheme, the technical scheme in the embodiment of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiment of the utility model, obviously, the described embodiment is only a part of the embodiment of the utility model but not all the embodiment, based on the embodiment of the utility model, the person skilled in the art obtains all other embodiments without creative labor, and all belong to the protection scope of the utility model.

[0032] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or positional relationship shown based on the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0033] As shown in Figure 1 A kind of polyurethane spraying device, the polyurethane spraying device is composed of bottom plate 1, adjusting unit 2 and spraying unit 3, wherein, the top of bottom plate is equipped with two supports 101, the two supports are symmetrically arranged.

[0034] Adjusting unit is composed of telescopic column 201, top plate 202, screw rod 203, motor 204, mounting block 205 and moving block 206, wherein, telescopic column can adopt lifting table leg structure, the height of telescopic column is adjusted, the structure is prior art, and here will not be repeated;Top plate is fixed to the top end of telescopic column, mounting block is fixed to the bottom of left side of top plate, motor is arranged on the right side of top plate, the left end of screw rod is rotatably connected with mounting block, the right end of screw rod is fixedly connected with the output end of motor, moving block is slidably connected with screw rod.

[0035] As shown in Figure 2 Spraying unit is composed of two spraying bodies 4 and two connecting pieces 5, wherein, the structure of connecting piece is as shown in Figure 3 It is composed of adjusting column 501, first adjusting rod 502 and second adjusting rod 503, the left and right ends of adjusting column are respectively inwardly recessed to form two first screw grooves 504 and second screw grooves 505 with opposite screw directions, and the first adjusting rod and the second adjusting rod are respectively screw-connected with the first screw groove and the second screw groove;Spraying body is detachably connected by connecting piece.

[0036] The number of the above-mentioned spraying body and connecting piece is not limited to two, but can also be three, four or the like, which can be selected according to the size of the roller body, for example, three spraying bodies 4 and three connecting pieces 5 are arranged in the spraying unit, and the three spraying bodies and the three connecting pieces are sequentially and alternately connected to form a ring shape.

[0037] In one embodiment, the spraying body is composed of a material conveying pipe 401 and a spraying assembly 402, and a plurality of spray heads 403 are arranged on the spraying assembly, and the material conveying pipe is communicated with the spraying assembly.

[0038] In one embodiment, the spraying assembly is arc-shaped, the spraying body is provided with three spray heads, and the three spray heads are arranged at intervals along the inner side of the spraying assembly.

[0039] The number of the above-mentioned spray heads is not limited to three, and can be two, four, five, etc.

[0040] In an embodiment, the polyurethane spraying device is further provided with a second connecting piece 6, two ends of the second connecting piece are respectively detachably connected with the moving block and the spraying main body.

[0041] In an embodiment, the adjusting unit is provided with two telescopic columns, and the two supports are located between the two telescopic columns.

[0042] The number of the above-mentioned telescopic columns is not limited to two, and can be four, six, etc., to meet the stability of the adjusting unit.

[0043] In an embodiment, all the spraying components in the spraying unit can be combined into a circular ring.

[0044] In an embodiment, the adjusting column is provided with a stripe belt 506 on the side thereof.

[0045] In an embodiment, the adjusting unit is further provided with a plurality of sliding wheels, and the plurality of sliding wheels are respectively arranged at the bottom of each telescopic column.

[0046] Working principle and process of the utility model:

[0047] After the roller frame to be coated with polyurethane is arranged on the support, the first adjusting rod and the second adjusting rod are respectively moved in opposite directions by rotating the adjusting column, so that the length of the connecting piece is adjusted,

[0048] The height of the telescopic column is adjusted, one of the spraying main bodies is fixed on the moving block through the second connecting piece, and the spraying main bodies and the connecting pieces are sequentially connected in a ring to form a spraying unit, the spraying unit is sleeved outside the roller body, the motor is started to drive the screw rod to rotate, the screw rod drives the moving block to slide, at this time, the polyurethane coating is continuously sprayed to the roller body through the spray head.

[0049] Finally, it should be noted that the present embodiment is only used to illustrate the present utility model and does not limit the scope of the present utility model. In addition, it should be understood that after reading the content taught by the present utility model, those skilled in the art can make various changes or modifications to the present utility model, and these equivalent forms also fall within the scope defined by the claims attached to the present application.

Claims

1. A polyurethane spraying device, characterized by: The polyurethane spraying device comprises: A bottom plate (1) provided with two supports (101) on the top; An adjusting unit (2) comprising a telescopic column (201), a top plate (202), a lead screw (203), a motor (204), a mounting block (205) and a moving block (206), the top plate being fixed to the top end of the telescopic column, the mounting block being fixedly connected with the top plate, the motor being arranged on the top plate, one end of the lead screw being rotatably connected with the mounting block, the other end of the lead screw being fixedly connected with the output end of the motor, the moving block being slidably connected with the lead screw; A spraying unit (3) comprising a plurality of spraying bodies (4) and connecting pieces (5), the spraying bodies being detachably connected with each other through the connecting pieces, the connecting piece comprising an adjusting column (501), a first adjusting rod (502) and a second adjusting rod (503), the adjusting column being provided with two first screw grooves (504) and second screw grooves (505) with opposite screw directions at both ends, the first adjusting rod and the second adjusting rod being threadedly connected with the first screw groove and the second screw groove, respectively.

2. The polyurethane spray device of claim 1, wherein: The spraying body comprises a material conveying pipe (401) and a spraying assembly (402), a plurality of spray heads (403) being arranged on the spraying assembly, the material conveying pipe being in communication with the spraying assembly.

3. The polyurethane spray device of claim 2, wherein: The spraying assembly is arc-shaped, and the spray heads are arranged at equal intervals along the inner side of the spraying assembly.

4. The polyurethane spray device of claim 1, wherein: The polyurethane spraying device further comprises a second connecting piece (6), the two ends of the second connecting piece being detachably connected with the moving block and the spraying body, respectively.

5. The polyurethane spray device of claim 1, wherein: The adjusting unit is provided with at least two telescopic columns, and the two supports are located between the two telescopic columns.

6. The polyurethane spray device of claim 1, wherein: All the spraying assemblies in the spraying unit can be combined into a circular ring.

7. The polyurethane spray device of claim 1, wherein: The adjusting column is provided with a stripe belt (506) on the lateral side.

8. The polyurethane spray device of claim 1, wherein: The adjusting unit further comprises a sliding wheel arranged at the bottom of the telescopic column.