Putty powder spraying machine for outer wall surface of building

By introducing a grinding mechanism into the putty powder spraying machine to pre-grind the putty powder, the problems of clumping and blockage caused by uneven mixing of putty powder are solved, and the fineness of the putty powder and the stability of the spraying are achieved.

CN224187126UActive Publication Date: 2026-05-01HUNAN YONGTONG CONSTR ENG CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HUNAN YONGTONG CONSTR ENG CO LTD
Filing Date
2025-05-27
Publication Date
2026-05-01

AI Technical Summary

Technical Problem

When using existing putty spraying machines, the putty powder is not mixed evenly and tends to clump, resulting in poor spraying effect or material blockage.

Method used

A building exterior wall putty powder spraying machine was designed, which includes a trolley, a feeding mechanism and a grinding mechanism. The putty powder is pre-ground by the grinding cylinder and the internal lower grinding wheel and upper grinding wheel to ensure its fineness, and then conveyed to the spray gun by the spiral blades.

Benefits of technology

It effectively solved the problem of putty powder clumping, improved the spraying effect, reduced the occurrence of material blockage, and ensured the stability and uniformity of putty powder during the spraying process.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model discloses a putty powder spraying machine for an outer wall surface of a building. The putty powder spraying machine comprises a trolley and a grinding mechanism, a feeding mechanism is arranged on the bottom wall of the trolley, a connecting pipeline is arranged at the front end of the feeding mechanism, a spray gun is fixedly connected to the front end of the connecting pipeline, and a supporting frame is fixedly connected to the front side of the bottom wall of the trolley; the grinding mechanism comprises a discharging base, a grinding cylinder, a grinding assembly and a discharging hopper, the discharging base is fixedly connected to the upper surface of the supporting frame, the rear side of the discharging base communicates with the middle of the feeding mechanism through a discharging pipeline, the grinding cylinder is fixedly connected to the upper end of the discharging base, and the interior of the upper end of the grinding cylinder is in an inverted cone shape; according to the putty powder spraying machine for the outer wall surface of the building, putty powder can be ground before spraying, the texture of the putty powder is finer and smoother, and meanwhile the situation of material blocking is reduced.
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Description

Technical Field

[0001] This utility model relates to the technical field of putty powder spraying machines, specifically a putty powder spraying machine for building exterior walls. Background Technology

[0002] Putty is a base material used for wall repair and leveling, laying a good foundation for the next step of decoration (painting or wallpapering). Putty is divided into interior and exterior types. Exterior wall putty needs to withstand wind and sun exposure, so it has higher adhesiveness and strength, but a slightly lower environmental protection index. With the development of the decoration industry, more and more people are using putty spraying machines to apply putty. This produces putty that is both uniform and has moderate viscosity, which is much better than manually mixing it.

[0003] When using a putty spraying machine, the mixed putty powder needs to be poured into the hopper first, and then fed into the pipeline by the feeding mechanism. The worker then turns on the spray gun to spray out the putty powder. However, the putty powder is mixed by the worker using a hand-held mixing device inside the putty powder bucket. The putty powder bucket is small, and the mixing device cannot cover the entire bucket, resulting in poor uniformity of the putty powder, possible clumping, poor spraying effect, or blockage of the putty spraying machine. Therefore, we propose a building exterior wall putty powder spraying machine. Utility Model Content

[0004] The technical problem to be solved by this utility model is to overcome the existing defects and provide a building exterior wall putty powder spraying machine that can grind the putty powder before spraying, making the putty powder texture finer and reducing the occurrence of material blockage, which can effectively solve the problems in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a building exterior wall putty powder spraying machine, including a trolley and a grinding mechanism;

[0006] The trolley has a feeding mechanism on its bottom wall, a connecting pipe at the front end of the feeding mechanism, a spray gun fixedly connected to the front end of the connecting pipe, and a support frame fixedly connected to the front side of the bottom wall of the trolley.

[0007] Grinding mechanism: It includes a feeding base, a grinding cylinder, a grinding component, and a feeding hopper. The feeding base is fixedly connected to the upper surface of the support frame. The rear side of the feeding base is connected to the middle of the feeding mechanism through a feeding pipe. The grinding cylinder is fixedly connected to the upper end of the feeding base. The upper end of the grinding cylinder is inverted conical in shape. The grinding cylinder has evenly distributed grinding teeth inside. The feeding hopper is fixedly connected to the upper end of the grinding cylinder. The entire assembly consisting of the feeding base, grinding cylinder, and feeding hopper is equipped with a grinding component, which can grind the putty powder before spraying, making the putty powder texture finer and reducing the occurrence of material blockage.

[0008] Furthermore, it also includes a controller, which is located on the upper rear end of the trolley. The input terminal of the controller is electrically connected to an external power source to control the motor.

[0009] Furthermore, the grinding assembly includes a hollow conical seat, a main shaft, a lower grinding wheel, an upper grinding wheel, a spiral blade, and a mounting shaft. The main shaft is rotatably connected to the middle of the bottom wall of the feeding base via a sealed bearing. The upper end of the main shaft is fixedly connected to the hollow conical seat, which is rotatably connected to the inside of the feeding base. The lower grinding wheel is fixedly connected to the upper surface of the hollow conical seat, and the upper grinding wheel is provided at the upper end of the lower grinding wheel. The upper grinding wheel is a conical grinding wheel. The lower grinding wheel and the upper grinding wheel are rotatably connected to the inside of the grinding cylinder. The upper end of the upper grinding wheel is fixedly connected to the mounting shaft, and a spiral blade is provided on the outside of the mounting shaft. The spiral blade is located at the lower end of the inside of the feeding hopper, realizing the grinding and feeding of the putty powder.

[0010] Furthermore, the grinding mechanism also includes a gasket. The bottom wall of the feeding base is provided with a gasket, and the lower surface of the hollow conical seat contacts the upper surface of the gasket, reducing wear while achieving a seal.

[0011] Furthermore, the grinding mechanism also includes a motor, which is fixedly connected to the top wall of the support frame. The upper end of the output shaft of the motor is fixedly connected to the lower end of the main shaft, and the input end of the motor is electrically connected to the output end of the controller to drive the main shaft to rotate.

[0012] Furthermore, the feeding mechanism includes two spiral blades, a feeding cylinder, a fixed base, and a second motor. The bottom wall of the trolley is fixedly connected to two fixed bases distributed at the front and rear. A feeding cylinder is fixedly connected between two fixed bases. The rear end of the feeding cylinder is connected to the rear side of the discharge base through a discharge pipe. The front end of the feeding cylinder is connected to the rear end of the connecting pipe. A second motor is fixedly connected to the rear side of the fixed base at the rear. A feeding shaft is fixedly connected to the front end of the output shaft of the second motor. Two spiral blades are arranged on the outside of the feeding shaft. The two spiral blades are located inside the feeding cylinder. The input end of the second motor is electrically connected to the output end of the controller to realize the conveying of putty powder.

[0013] Furthermore, the feeding mechanism also includes support shafts, with symmetrically distributed support shafts fixedly connected between the two fixed seats, and the feeding cylinder located between the two support shafts, making the feeding more stable.

[0014] Compared with the prior art, the beneficial effects of this utility model are as follows: This building exterior wall putty powder spraying machine has the following advantages:

[0015] Before the putty powder is fed into the connecting pipe through the feeding cylinder, it is ground by the grinding cylinder and the internal lower and upper grinding wheels. The taper of the upper end of the grinding cylinder is greater than that of the upper grinding wheel, so that the opening of the upper end of the grinding cylinder and the upper grinding wheel becomes smaller from top to bottom. This makes it easier for the lumpy putty powder to flow into the interior of the grinding cylinder and be ground. The ground putty powder is free of lumps, is more delicate, reduces the occurrence of material blockage, and is more even when sprayed on the exterior wall of the building. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of this utility model;

[0017] Figure 2 This is a cross-sectional structural diagram of the present invention;

[0018] Figure 3 This is a cross-sectional view of the grinding assembly of this utility model.

[0019] In the diagram: 1. Trolley, 2. Support frame, 3. Grinding mechanism, 31. Feeding base, 32. Grinding cylinder, 33. Gasket, 34. Grinding assembly, 341. Hollow conical seat, 342. Main shaft, 343. Lower grinding wheel, 344. Upper grinding wheel, 345. Spiral blade I, 346. Mounting shaft, 35. Feeding hopper, 36. Motor I, 4. Feeding mechanism, 41. Spiral blade II, 42. Feeding cylinder, 43. Support shaft, 44. Fixed seat, 45. Motor II, 5. Connecting pipe, 6. Spray gun, 7. Feeding pipe, 8. Controller. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Please see Figure 1-3 This embodiment provides a technical solution: a building exterior wall putty powder spraying machine, including a trolley 1 and a grinding mechanism 3;

[0022] Cart 1: A feeding mechanism 4 is provided on its bottom wall. A connecting pipe 5 is provided at the front end of the feeding mechanism 4. A spray gun 6 is fixedly connected to the front end of the connecting pipe 5. A support frame 2 is fixedly connected to the front side of the bottom wall of cart 1. The feeding mechanism 4 includes a spiral blade 41, a feeding cylinder 42, a fixed seat 44, and a motor 45. Fixed seats 44 are fixedly connected to the bottom wall of cart 1, distributed front and rear. A feeding cylinder 42 is fixedly connected between two fixed seats 44. The rear end of the feeding cylinder 42 is connected to the rear side of the unloading base 31 through a unloading pipe 7. The front end of the feeding cylinder 42 is connected to the rear end of the connecting pipe 5. A motor 45 is fixedly connected to the rear side of the fixed seat 44. A feeding device is fixedly connected to the front end of the output shaft of the motor 45. The feeding mechanism 4 includes a feeding shaft with a spiral blade 41 on its outside. The spiral blade 41 is located inside the feeding cylinder 42. The input end of the motor 45 is electrically connected to the output end of the controller 8. The feeding mechanism 4 also includes a support shaft 43. The support shafts 43 are symmetrically distributed on the left and right sides and are fixedly connected between two fixed seats 44. The feeding cylinder 42 is located between the two support shafts 43. Putty powder enters the feeding cylinder 42 through the feeding pipe 7. The output shaft of the motor 45 drives the feeding shaft and the spiral blade 41 to rotate, pushing the putty powder towards the front end of the feeding cylinder 42. The support shaft 43 provides support for the feeding cylinder 42, making the feeding process more stable. The putty powder enters the connecting pipe 5 from the feeding cylinder 42. The decorator opens the spray gun 6 to spray.

[0023] Grinding mechanism 3: It includes a feeding base 31, a grinding cylinder 32, a grinding assembly 34, and a feeding hopper 35. The feeding base 31 is fixedly connected to the upper surface of the support frame 2. The rear side of the feeding base 31 is connected to the middle part of the feeding mechanism 4 through a feeding pipe 7. The grinding cylinder 32 is fixedly connected to the upper end of the feeding base 31. The upper end of the grinding cylinder 32 is inverted conical in shape. The grinding cylinder 32 has evenly distributed grinding teeth inside. The feeding hopper 35 is fixedly connected to the upper end of the grinding cylinder 32. The grinding assembly 34 is set inside the whole consisting of the feeding base 31, the grinding cylinder 32, and the feeding hopper 35. The grinding assembly 34 includes a hollow conical seat 341, a main shaft 342, a lower grinding wheel 343, an upper grinding wheel 344, and a spiral blade. A main shaft 342 is rotatably connected to the bottom wall of the feeding base 31 via a sealed bearing. A hollow conical seat 341 is fixedly connected to the upper end of the main shaft 342. The hollow conical seat 341 is rotatably connected inside the feeding base 31. A lower grinding wheel 343 is fixedly connected to the upper surface of the hollow conical seat 341. An upper grinding wheel 344, which is a conical grinding wheel, is located at the upper end of the lower grinding wheel 343. The lower grinding wheel 343 and the upper grinding wheel 344 together are rotatably connected inside the grinding cylinder 32. A mounting shaft 346 is fixedly connected to the upper end of the upper grinding wheel 344. A spiral blade 345 is provided on the outside of the mounting shaft 346. The spiral blade 345 is located at the feeding base. Inside the lower end of the bucket 35, the grinding mechanism 3 also includes a shim 33. The bottom wall of the feeding base 31 is provided with the shim 33. The lower surface of the hollow conical seat 341 contacts the upper surface of the shim 33. The grinding mechanism 3 also includes a motor 36. The top wall of the support frame 2 is fixedly connected to the motor 36. The upper end of the output shaft of the motor 36 is fixedly connected to the lower end of the main shaft 342. The input end of the motor 36 is electrically connected to the output end of the controller 8. The output shaft of the motor 36 drives the whole assembly consisting of the hollow conical seat 341, the main shaft 342, the lower grinding wheel 343, the upper grinding wheel 344, the spiral blade 345, and the mounting shaft 346 to rotate. The spiral blade 345 drives the putty powder into the grinding cylinder 32, so that the grinding cylinder... During the spraying process, the interior of the grinding cylinder 32 is always filled with putty powder. The upper end of the grinding cylinder 32 is inverted conical, and the taper of the upper end of the grinding cylinder 32 is greater than that of the upper grinding wheel 344. This makes the opening of the upper end of the grinding cylinder 32 and the upper grinding wheel 344 smaller from top to bottom, which facilitates the flow of clumps of putty powder into the interior of the grinding cylinder 32 for grinding. The putty powder becomes finer after being ground by the upper grinding wheel 344 and the lower grinding wheel 343. The gap between the hollow conical seat 341 and the feeding base 31 decreases from top to bottom, reducing the amount of putty powder accumulated inside the feeding base 31 and making it easier to clean. The lower surface of the hollow conical seat 341 contacts the upper surface of the gasket 33. The gasket 33 is a polytetrafluoroethylene gasket, which reduces wear and achieves a seal.

[0024] It also includes a controller 8, which is located on the upper rear end of the trolley 1, and the input terminal of the controller 8 is electrically connected to an external power source.

[0025] The working principle of the building exterior wall putty powder spraying machine provided by this utility model is as follows: The evenly mixed putty powder is poured into the hopper 35. The controller 8 starts motor 1 36 and motor 2 45. The output shaft of motor 1 36 drives the entire assembly consisting of hollow conical seat 341, main shaft 342, lower grinding wheel 343, upper grinding wheel 344, spiral blade 1 345, and mounting shaft 346 to rotate. Spiral blade 1 345 drives the putty powder into the grinding cylinder 32, ensuring that the grinding cylinder 32 is always filled with putty powder during spraying. The upper end of the grinding cylinder 32 is inverted conical, and the taper of the upper end of the grinding cylinder 32 is greater than the taper of the upper grinding wheel 344. This causes the openings of the upper end of the grinding cylinder 32 and the upper grinding wheel 344 to decrease from top to bottom, facilitating the flow of clumps of putty powder into the grinding cylinder 32 for grinding. The putty powder becomes finer after being ground by the upper grinding wheel 344 and the lower grinding wheel 343. The gap between the hollow conical seat 341 and the feeding base 31 decreases from top to bottom, reducing the amount of putty powder accumulated inside the feeding base 31 and making it easier to clean. The lower surface of the hollow conical seat 341 contacts the upper surface of the gasket 33. The gasket 33 is a polytetrafluoroethylene gasket, which reduces wear and achieves a seal, preventing putty powder from entering the interior of the hollow conical seat 341. The putty powder enters the interior of the feeding cylinder 42 through the feeding pipe 7. The output shaft of the second motor 45 drives the feeding shaft and the second spiral blade 41 to rotate, pushing the putty powder towards the front end of the feeding cylinder 42. The support shaft 43 provides support for the feeding cylinder 42, making the feeding process more stable. The putty powder enters the connecting pipe 5 from the feeding cylinder 42, and the decorator opens the spray gun 6 to spray.

[0026] It is worth noting that the controller 8 disclosed in the above embodiments can be an HT66F3195, the motor 36 can be an RV040 geared motor, and the motor 45 can be a TRCF15-30S geared motor. The controller 8 controls the operation of the motor 36 and the motor 45 using methods commonly used in the prior art.

[0027] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A building exterior wall putty powder spraying machine, characterized in that: The device includes a trolley (1) and a grinding mechanism (3); the trolley (1) has a feeding mechanism (4) on its bottom wall, a connecting pipe (5) on the front end of the feeding mechanism (4), a spray gun (6) fixedly connected to the front end of the connecting pipe (5), and a support frame (2) fixedly connected to the front side of the bottom wall of the trolley (1); the grinding mechanism (3) includes a feeding base (31), a grinding cylinder (32), a grinding assembly (34), and a feeding hopper (35), and the feeding base (6) is fixedly connected to the upper surface of the support frame (2). 31) The rear side of the feeding base (31) is connected to the middle part of the feeding mechanism (4) through the feeding pipe (7). The upper end of the feeding base (31) is fixedly connected to the grinding cylinder (32). The upper end of the grinding cylinder (32) is inverted cone-shaped. The grinding cylinder (32) is provided with evenly distributed grinding teeth. The upper end of the grinding cylinder (32) is fixedly connected to the feeding hopper (35). The grinding assembly (34) is provided inside the whole consisting of the feeding base (31), the grinding cylinder (32) and the feeding hopper (35).

2. The building exterior wall putty powder spraying machine according to claim 1, characterized in that: It also includes a controller (8), which is located on the upper rear end of the trolley (1), and the input of the controller (8) is electrically connected to an external power source.

3. The building exterior wall putty powder spraying machine according to claim 2, characterized in that: The grinding assembly (34) includes a hollow conical seat (341), a main shaft (342), a lower grinding wheel (343), an upper grinding wheel (344), a spiral blade (345), and a mounting shaft (346). The main shaft (342) is rotatably connected to the middle of the bottom wall of the feeding base (31) via a sealed bearing. The hollow conical seat (341) is fixedly connected to the upper end of the main shaft (342). The hollow conical seat (341) is rotatably connected to the inside of the feeding base (31). The upper surface of the hollow conical seat (341) A lower grinding wheel (343) is fixedly connected to the surface. An upper grinding wheel (344) is provided at the upper end of the lower grinding wheel (343). The upper grinding wheel (344) is a conical grinding wheel. The lower grinding wheel (343) and the upper grinding wheel (344) are rotatably connected to the inside of the grinding cylinder (32). An installation shaft (346) is fixedly connected to the upper end of the upper grinding wheel (344). A spiral blade (345) is provided on the outside of the installation shaft (346). The spiral blade (345) is located at the lower end of the inside of the feed hopper (35).

4. A building exterior wall putty powder spraying machine according to claim 3, characterized in that: The grinding mechanism (3) also includes a gasket (33), and the bottom wall of the feeding base (31) is provided with a gasket (33), and the lower surface of the hollow conical seat (341) is in contact with the upper surface of the gasket (33).

5. The building exterior wall putty powder spraying machine according to claim 3, characterized in that: The grinding mechanism (3) also includes a motor (36). The top wall of the support frame (2) is fixedly connected to the motor (36). The upper end of the output shaft of the motor (36) is fixedly connected to the lower end of the main shaft (342). The input end of the motor (36) is electrically connected to the output end of the controller (8).

6. A building exterior wall putty powder spraying machine according to claim 2, characterized in that: The feeding mechanism (4) includes a second spiral blade (41), a feeding cylinder (42), a fixed seat (44), and a second motor (45). The bottom wall of the trolley (1) is fixedly connected to a fixed seat (44) distributed in the front and rear. The feeding cylinder (42) is fixedly connected between the two fixed seats (44). The rear end of the feeding cylinder (42) is connected to the rear side of the unloading base (31) through the unloading pipe (7). The front end of the feeding cylinder (42) is connected to the rear end of the connecting pipe (5). The rear side of the fixed seat (44) is fixedly connected to the second motor (45). The front end of the output shaft of the second motor (45) is fixedly connected to the feeding shaft. The second spiral blade (41) is provided on the outside of the feeding shaft. The second spiral blade (41) is located inside the feeding cylinder (42). The input end of the second motor (45) is electrically connected to the output end of the controller (8).

7. A building exterior wall putty powder spraying machine according to claim 3, characterized in that: The feeding mechanism (4) also includes a support shaft (43), and two fixed seats (44) are fixedly connected to a support shaft (43) that is symmetrically distributed on the left and right. The feeding cylinder (42) is located between the two support shafts (43).