Spraying equipment for polyurethane coating

By designing a swing and rotation mechanism for the spraying equipment, the problem of time-consuming and labor-intensive manual spraying of polyurethane coatings with handheld nozzles was solved, achieving efficient spraying and effective collection of coatings, improving spraying efficiency and reducing coating waste.

CN223556268UActive Publication Date: 2025-11-18LIUZHOU BELIJIA PAINT CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422879939.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-25
Publication Date
2025-11-18
Estimated Expiration
2034-11-25

AI Technical Summary

Technical Problem

Manually applying polyurethane coatings using a handheld sprayer requires a large labor input, is time-consuming and labor-intensive, and has low spraying efficiency.

Method used

A spraying device was designed, comprising a base, casters, push rods, paint tank, support plate, rotating cylinder, sleeve, nozzle, feed pipe, swing mechanism, and rotating unit. The swing and rotating mechanism enables the nozzle to swing left and right and rotate, thereby increasing the spraying range, and the pushing mechanism enables the paint to be collected.

Benefits of technology

It improves spraying efficiency, reduces labor input, and avoids paint waste.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223556268U_ABST
    Figure CN223556268U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of spraying, and discloses polyurethane coating spraying equipment which comprises a base, universal wheels symmetrically arranged are fixedly connected to the bottom end of the base, a push rod is fixedly connected to one side of the base, a coating box is arranged on one side of the top end of the base, a supporting plate is fixedly connected to the other side of the top end of the base, and a rotating cylinder is rotationally installed on the supporting plate. One end of the rotating cylinder is rotationally sleeved with a sleeve, the bottom end of the sleeve is fixedly connected with a spray head, a discharging pipe is installed on one side of the coating box, one end of the discharging pipe is connected with a feeding pipe penetrating into the rotating cylinder, one end of the feeding pipe extends into the spray head, and a swing mechanism connected with the rotating cylinder is arranged on one side of the supporting plate. Through the design of the pushing mechanism, the storage plate can conveniently drive the collecting box to move to the position under the spraying head after spraying is completed, residual polyurethane coating on the spraying head can conveniently drip into the collecting box to be collected, and then protection of the polyurethane coating is achieved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to spraying technical field especially relates to polyurethane coating's spraying equipment. BACKGROUND

[0002] When the high-speed railway concrete bridge deck is sprayed with waterproof layer material, polyurethane waterproof coating is selected to be used, and when the coating is sprayed, the nozzle is manually held and walked to drive the nozzle to move and spray, in order to increase the spraying range, the staff needs to constantly swing the arm to drive the nozzle to change position, and the spraying process needs a large amount of labor and is time-consuming and laborious, thereby causing low spraying efficiency. UTILITY MODEL CONTENTS

[0003] In order to solve the technical problem that the nozzle is manually held and walked to drive the nozzle to move and spray, and the staff needs to constantly swing the arm to drive the nozzle to change position, and the spraying process needs a large amount of labor and is time-consuming and laborious, the utility model provides polyurethane coating's spraying equipment.

[0004] The utility model discloses the following technical scheme is realized: polyurethane coating's spraying equipment, including base, the bottom end fixed junction of base is symmetrically arranged universal wheel, one side of base is fixedly connected with the push rod, the top end one side of base is equipped with coating tank, the top end opposite side of base is fixedly connected with the supporting plate, rotates and installs the rotating cylinder on the supporting plate, one end of rotating cylinder rotatory sleeve has the sleeve, the bottom end fixedly connected with the nozzle of sleeve, one side of coating tank is installed with the discharge pipe, one end of discharge pipe is connected with the feeding pipe that inserts in rotating cylinder's inside, one end of feeding pipe extends to the inside of nozzle, one side of supporting plate is equipped with the swing mechanism that is connected with rotating cylinder, the other side of supporting plate is equipped with the rotation unit that is connected with sleeve, the side that base is far away from push rod is set up with the storage groove, the inside sliding installation of storage groove has the storage board, the top end of storage board places the collection box, the inside of storage groove is equipped with the push mechanism that is connected with storage board.

[0005] As a further improvement of the above scheme, the swing mechanism includes a gear one fixedly sleeved on the outer wall of the rotating cylinder, a motor is fixedly connected to the bottom of one side of the supporting plate, a rotating disc is connected to the output shaft of the motor, a toothed plate meshed with the gear one is slidingly installed on one side of the supporting plate, a connecting shaft is fixedly connected to the bottom end of the toothed plate and one side of the rotating disc, and a swing rod is rotatably connected between the two connecting shafts.

[0006] As a further improvement of the above scheme, a sliding groove is formed in the supporting plate, and symmetrically arranged sliding blocks are fixedly connected to the side of the toothed plate away from the connecting shafts and slidingly arranged in the sliding groove.

[0007] As a further improvement of the above-mentioned scheme, the rotating unit comprises a conical gear three fixedly sleeved to the outer wall of the sleeve, and one side of the supporting plate is provided with a conical gear plate in meshing connection with the conical gear three, and two fixed rods connected with the side wall of the supporting plate are fixedly connected to one side of the conical gear plate.

[0008] As a further improvement of the above-mentioned scheme, the pushing mechanism comprises a threaded rod rotatably installed in the inner wall of the receiving groove, and a threaded groove is formed in the side of the receiving plate close to the receiving groove, one end of the threaded rod extends into the interior of the threaded groove, the threaded rod is in threaded connection with the threaded groove, a conical gear one is fixedly sleeved to the threaded rod, a torsion rod is rotatably installed at the top end of the base, and a conical gear two in meshing connection with the conical gear one is fixedly connected to the bottom end of the torsion rod.

[0009] As a further improvement of the above-mentioned scheme, the vertical section of the threaded rod, the sliding block and the sliding groove are all T-shaped structures, the spray head and the collecting box are both circular structures, the diameter of the spray head is smaller than the inner diameter of the collecting box, and the discharge pipe is made of elastic material.

[0010] Compared with the prior art, the polyurethane coating spraying device has the following beneficial effects:

[0011] The polyurethane coating spraying device has the following beneficial effects: BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 The polyurethane coating spraying device has the following beneficial effects:

[0013] Figure 2 The polyurethane coating spraying device has the following beneficial effects: Figure 1 The polyurethane coating spraying device has the following beneficial effects:

[0014] Figure 3 The polyurethane coating spraying device has the following beneficial effects: Figure 1 The polyurethane coating spraying device has the following beneficial effects:

[0015] Figure 4 The polyurethane coating spraying device has the following beneficial effects: Figure 1 The polyurethane coating spraying device has the following beneficial effects:

[0016] MAIN SYMBOL DESCRIPTION:

[0017] 1, base; 2, universal wheel; 3, push rod; 4, paint tank; 5, support plate; 6, rotating cylinder; 7, sleeve; 8, spray head; 9, feeding pipe; 10, discharge pipe; 11, storage plate; 12, collection box; 13, storage groove; 14, threaded groove; 15, threaded rod; 16, bevel gear one; 17, torsion rod; 18, bevel gear two; 19, motor; 20, rotating disc; 21, gear one; 22, toothed plate; 23, swing rod; 24, bevel gear three; 25, bevel gear plate; 26, fixed rod; 27, sliding block; 28, sliding groove; 29, connecting shaft. DETAILED DESCRIPTION

[0018] The utility model will be described further, combined with the drawings and specific implementation, it is to be explained that under the premise of not conflicting, the following described each embodiment or each technical feature between can be combined randomly to form new embodiment.

[0019] Please combine Figures 1 to 4 The spraying equipment for polyurethane paint of the embodiment comprises a base 1, the bottom end of the base 1 is fixedly connected with symmetrical universal wheels 2, one side of the base 1 is fixedly connected with a push rod 3, one side of the top end of the base 1 is provided with a paint tank 4, the other side of the top end of the base 1 is fixedly connected with a support plate 5, the support plate 5 is rotatably installed with a rotating cylinder 6, one end of the rotating cylinder 6 is rotatably sleeved with a sleeve 7, the bottom end of the sleeve 7 is fixedly connected with a spray head 8, one side of the paint tank 4 is installed with a discharge pipe 10, the discharge pipe 10 is made of elastic material, one end of the discharge pipe 10 is connected with a feeding pipe 9 inserted into the rotating cylinder 6, one end of the feeding pipe 9 extends into the spray head 8, one side of the support plate 5 is provided with a swing mechanism connected with the rotating cylinder 6, the other side of the support plate 5 is provided with a rotating unit connected with the sleeve 7, the side, away from the push rod 3, of the base 1 is provided with a storage groove 13, the inside of the storage groove 13 is slidably installed with a storage plate 11, the top end of the storage plate 11 is placed with a collection box 12, the inside of the storage groove 13 is provided with a pushing mechanism connected with the storage plate 11, the diameter of the spray head 8 is smaller than the inner diameter of the collection box 12; When the staff pushes the device to move on the high-speed railway concrete bridge, the spray head 8 sprays polyurethane paint, effectively realizes the spraying operation of waterproof layer material on the high-speed railway concrete bridge, through the design of swing mechanism and rotating unit, it is convenient to swing left and right in the process of moving the spray head 8, and it can also rotate in the process of swinging, effectively increases the spraying range, and then improves the spraying efficiency, after spraying, the swing mechanism works, the storage plate 11 drives the collection box 12 to move to the lower side of the spray head 8, so that the residual polyurethane paint on the spray head 8 can drop into the collection box 12 for collection, avoids waste caused by polyurethane paint dropping elsewhere, and then realizes the protection of polyurethane paint.

[0020] The swing mechanism comprises a gear one 21 fixedly sleeved to the outer wall of the rotating cylinder 6, a motor 19 fixedly connected to the bottom of one side of the supporting plate 5, a rotating disc 20 connected to the output shaft of the motor 19, a toothed plate 22 slidingly installed on one side of the supporting plate 5 and engaged with the gear one 21, a connecting shaft 29 fixedly connected to the bottom end of the toothed plate 22 and one side of the rotating disc 20, a swing rod 23 rotationally connected between the two connecting shafts 29, a sliding groove 28 formed in the supporting plate 5, a sliding block 27 fixedly connected to the side of the toothed plate 22 away from the connecting shaft 29, the sliding block 27 sliding in the sliding groove 28, and the vertical section of the sliding block 27 and the sliding groove 28 being T-shaped structures. Through the design of the swing mechanism, the spray head 8 can swing left and right reciprocally along the moving direction of the spray head 8, thereby increasing the synchronous movement of the swing mechanism, effectively increasing the spraying range and improving the spraying efficiency.

[0021] The rotating unit comprises a conical gear three 24 fixedly sleeved to the outer wall of the sleeve 7, a conical toothed plate 25 provided on one side of the supporting plate 5 and engaged with the conical gear three 24, and two fixing rods 26 fixedly connected to the side wall of the supporting plate 5 on one side of the conical toothed plate 25. Through the design of the rotating unit, the spray head 8 can rotate during the left and right swinging, thereby effectively increasing the spraying range and improving the spraying efficiency.

[0022] The pushing mechanism comprises a threaded rod 15 rotationally installed in the inner wall of the receiving groove 13, the vertical section of the threaded rod 15 being a T-shaped structure, a threaded groove 14 formed in the side of the receiving plate 11 close to the receiving groove 13, one end of the threaded rod 15 extending into the threaded groove 14, the threaded rod 15 being threadedly connected with the threaded groove 14, a conical gear one 16 fixedly sleeved to the threaded rod 15, a torsion rod 17 rotationally installed at the top end of the base 1, and a conical gear two 18 fixedly connected to the bottom end of the torsion rod 17 and engaged with the conical gear one 16. Through the design of the pushing mechanism, after the spraying of the spray head 8 is completed, the receiving plate 11 drives the collection box 12 to move below the spray head 8, so that the collection box 12 collects the polyurethane coating dripping from the spray head 8, thereby effectively avoiding the waste of the polyurethane coating dripping elsewhere.

[0023] The implementation principle of the spraying device of the polyurethane coating in the embodiment of the application is as follows: the worker pushes the device to move on the concrete bridge deck of the high-speed railway, and starts the suction pump connected with the discharge pipe 10, so that the polyurethane coating in the coating box 4 enters the feeding pipe 9 through the discharge pipe 10, and then the polyurethane coating enters the spray head 8 for spraying, thereby effectively performing the spraying operation of the waterproof coating on the concrete bridge deck of the high-speed railway; meanwhile, the motor 19 is started, the motor 19 drives the rotating disc 20 to rotate, the rotating disc 20 drives the connecting shaft 29 on the rotating disc 20 to move, and then the connecting shaft 29 drives the swing rod 23 to swing, so that the swing rod 23 drives the sliding block 27 to slide in the sliding groove 28, thereby achieving the reciprocating lifting movement of the toothed plate 22; through the meshing connection relationship between the toothed plate 22 and the gear one 21, the gear one 21 is reversely rotated, the rotation of the gear one 21 drives the rotating cylinder 6 to rotate, one end of the rotating cylinder 6 drives the sleeve 7 and the spray head 8 to swing left and right on one side of the supporting plate 5, thereby effectively reducing the labor input.

[0024] In the process of swinging, the spray head 8 drives the bevel gear three 24 to swing synchronously, so that the bevel gear three 24 moves on one side of the bevel gear plate 25, through the meshing connection relationship between the bevel gear three 24 and the bevel gear plate 25, the bevel gear three 24 rotates in the process of swinging, and then the bevel gear three 24 drives the spray head 8 to rotate through the sleeve 7, so that the spray head 8 rotates synchronously in the process of swinging, thereby increasing the spraying range and improving the spraying efficiency.

[0025] When the spraying of the waterproof coating on the concrete bridge deck of the high-speed railway is completed, the worker rotates the torsion rod 17, the torsion rod 17 drives the bevel gear two 18 to rotate, through the meshing connection relationship between the bevel gear two 18 and the bevel gear one 16, the bevel gear one 16 drives the threaded rod 15 to rotate, through the threaded connection relationship between the threaded rod 15 and the threaded groove 14 and the sliding connection relationship between the accommodating plate 11 and the inner wall of the accommodating groove 13, the accommodating plate 11 slides in the accommodating groove 13, and then the accommodating plate 11 drives the collecting box 12 to move out of the accommodating groove 13, when the collecting box 12 moves to the position directly below the spray head 8, the worker stops rotating the torsion rod 17, so that the residual polyurethane coating on the spray head 8 can drop into the collecting box 12 for collection, thereby avoiding the waste of the polyurethane coating dropping elsewhere, and achieving the protection of the polyurethane coating.

[0026] The above-mentioned embodiment is only a preferred embodiment of the application, and cannot be used to limit the protection scope of the application, and any non-essential change and replacement made by the person skilled in the art on the basis of the application belongs to the protection scope of the application.

Claims

1. A spraying apparatus for polyurethane coatings, characterized in that The base is provided with symmetrical universal wheels at the bottom end, a push rod at one side, a paint tank at one side of the top end, a support plate at the other side of the top end, a rotating cylinder rotatably installed on the support plate, a sleeve rotatably sleeved at one end of the rotating cylinder, a spray head fixedly connected to the bottom end of the sleeve, a discharge pipe installed at one side of the paint tank, a feeding pipe penetrating into the rotating cylinder and connected to one end of the discharge pipe, the feeding pipe extending into the spray head, an oscillating mechanism connected to the rotating cylinder at one side of the support plate, a rotating unit connected to the sleeve at the other side of the support plate, a receiving groove formed at the side of the base away from the push rod, a receiving plate slidably installed in the receiving groove, a collection box placed at the top end of the receiving plate, and a pushing mechanism connected to the receiving plate.

2. The polyurethane coating spraying apparatus according to claim 1, wherein, The oscillating mechanism comprises a gear one fixedly sleeved to the outer wall of the rotating cylinder, a motor fixedly connected to the bottom of one side of the support plate, a rotating disc connected to the output shaft of the motor, a toothed plate slidably installed at one side of the support plate and engaged with the gear one, a connecting shaft fixedly connected to the bottom end of the toothed plate and one side of the rotating disc, and an oscillating rod rotatably connected between the two connecting shafts.

3. The polyurethane coating spraying apparatus according to claim 2, wherein A sliding groove is formed in the support plate, and symmetrical sliding blocks are fixedly connected to one side of the toothed plate away from the connecting shaft and slide in the sliding groove.

4. The polyurethane coating spraying apparatus according to claim 1, wherein The rotating unit comprises a conical gear three fixedly sleeved to the outer wall of the sleeve, a conical toothed plate engaged with the conical gear three and arranged at one side of the support plate, and two fixed rods fixedly connected to one side of the conical toothed plate and the side wall of the support plate.

5. The polyurethane coating spraying apparatus according to claim 3, wherein The pushing mechanism comprises a threaded rod rotatably installed on the inner wall of the receiving groove, a threaded groove formed at one side of the receiving plate close to the receiving groove, the threaded rod extending into the threaded groove at one end and being threadedly connected with the threaded groove, a conical gear one fixedly sleeved on the threaded rod, a torsion rod rotatably installed at the top end of the base, and a conical gear two fixedly connected to one side of the conical gear one and fixedly connected to the bottom end of the torsion rod.

6. The polyurethane coating spraying apparatus according to claim 5, wherein The vertical section of the threaded rod, the sliding block and the sliding groove are all T-shaped structures, the spray head and the collection box are both circular structures, the diameter of the spray head is smaller than the inner diameter of the collection box, and the discharge pipe is made of elastic material.