A mortar spraying machine
By designing a mortar spraying machine that includes mixing and screening functions, the problem of mortar clumping affecting construction quality was solved, achieving high-quality spraying results.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- BEIJING TIANTAN DECORATION & ENG CO LTD
- Filing Date
- 2025-08-06
- Publication Date
- 2026-07-07
AI Technical Summary
Existing mortar spraying machines cannot screen out clumps of mortar, affecting construction quality and spraying effect.
A mortar spraying machine was designed, comprising a material hopper, a rotating rod, a stirring rod, a motor, a screening mechanism, and a spraying mechanism. The motor drives the stirring rod to stir the mortar and the screening mechanism is used to screen out lumps, ensuring the quality of the mortar.
It improved the quality of mortar application, enhanced the spraying effect, and ensured construction quality.
Smart Images

Figure CN224468735U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of building construction technology, and in particular relates to a mortar spraying machine. Background Technology
[0002] A mortar spraying machine is a mechanized piece of equipment used in building construction. It is primarily used to quickly and evenly spray mortar (such as cement mortar, plaster, and putty) onto walls, ceilings, or other building surfaces. It is widely used in interior and exterior decoration, wall plastering, insulation layer construction, and waterproofing projects, significantly improving construction efficiency and reducing labor costs.
[0003] However, existing mortar spraying machines cannot screen the added mortar during actual use. Because the pre-mixed mortar is prone to clumping due to time factors during standing or transportation, if these clumped particles directly enter the spraying system, it will easily affect the construction quality and spraying effect.
[0004] Therefore, it is necessary to provide a mortar spraying machine to solve the above problems. Utility Model Content
[0005] This utility model provides a mortar spraying machine, which aims to solve the problem mentioned in the background art that existing mortar spraying machines cannot screen out clumps of mortar, thus easily affecting the construction quality and spraying effect.
[0006] To solve the above problems, this utility model is implemented as follows: a mortar spraying machine, comprising: a base plate, a mortar storage bin fixedly installed on the top of the base plate, a hopper fixedly installed on the top of the mortar storage bin; a rotating rod rotatably installed on the mortar storage bin, a plurality of stirring rods fixedly installed on the rotating rod; a motor fixedly installed on the top of the mortar storage bin, a first gear fixedly sleeved on the output shaft of the motor; a second gear fixedly sleeved on the rotating rod, the second gear meshing with the first gear; a screening mechanism installed on the hopper for screening mortar; and a spraying mechanism assembled on the base plate for spraying mortar.
[0007] Preferably, the screening mechanism includes: two fixed rings fixedly installed on the inner wall of the hopper, each of the two fixed rings being provided with a fixed block, and the same screen being fixedly installed on the two fixed blocks; a bracket welded to the hopper, a sleeve rotatably installed on the bracket, and a first sprocket fixedly fitted on the sleeve; a second sprocket fixedly fitted on the rotating rod; a chain fitted on the first sprocket and the second sprocket; a rectangular rod slidably installed on the sleeve, a scraper fixedly installed at the bottom end of the rectangular rod, the bottom of the scraper contacting the screen; a housing fixedly installed on the bracket, an electric telescopic rod fixedly installed on the inner wall of the housing, a connecting block fixedly installed on the output rod of the electric telescopic rod, a rotating shaft rotatably installed at the bottom of the connecting block, and the bottom end of the rotating shaft fixedly connected to the top end of the rectangular rod.
[0008] Preferably, the spraying mechanism includes: a mortar pump fixedly installed on the top of the base plate, a material extraction pipe fixedly installed on the feed end of the mortar pump, one end of the material extraction pipe extending into the interior of the material box; and a hose fixedly installed on the discharge end of the mortar pump, one end of the hose being fixedly installed with a spray gun.
[0009] Preferably, a hanging ring is fixedly installed on one side of the material box, and a hook is provided on the hanging ring, which is fixedly connected to the spray gun.
[0010] Preferably, a plurality of casters are fixedly installed on the bottom of the base plate, and a handrail is fixedly installed on one side of the material box.
[0011] Preferably, the bottom inner wall of the hopper is inclined, and the material extraction pipe is L-shaped.
[0012] Preferably, the screen is circular, and two lifting rods are fixedly installed on the top of the screen.
[0013] Compared with related technologies, the mortar spraying machine provided by this utility model has the following beneficial effects:
[0014] Compared with existing technologies, the mortar spraying machine provided in this solution allows for convenient mortar pouring into the hopper. The motor drives multiple mixing rods to agitate the mortar, ensuring thorough mixing and maintaining a fluid state. Simultaneously, it drives a screening mechanism to filter the mortar, intercepting any lumps. Qualified mortar is stored in the hopper, significantly improving the quality of the mortar. This greatly enhances the spraying effect when using the mortar from the hopper to spray onto walls, solving the problem of existing mortar spraying machines failing to remove lumps, which negatively impacts construction quality and spraying results. Attached Figure Description
[0015] Figure 1 This is a cross-sectional structural schematic diagram of a mortar spraying machine provided by this utility model;
[0016] Figure 2 for Figure 1 An enlarged structural diagram of part A shown in the figure;
[0017] Figure 3 for Figure 1 An enlarged structural diagram of part B shown in the figure;
[0018] Figure 4 for Figure 1 Enlarged structural diagram of a local part of the structure;
[0019] Figure 5 This is a schematic diagram of the assembly structure of the sleeve and the rectangular rod in this utility model.
[0020] Reference numerals: 1. Base plate; 2. Material box; 3. Hopper; 4. Rotating rod; 5. Agitating rod; 6. Motor; 7. First gear; 8. Second gear; 9. Fixing ring; 10. Fixing block; 11. Screen; 12. Support; 13. Sleeve; 14. First sprocket; 15. Second sprocket; 16. Chain; 17. Rectangular rod; 18. Scraper; 19. Housing; 20. Electric telescopic rod; 21. Connecting block; 22. Rotating shaft; 23. Mortar pump; 24. Material extraction pipe; 25. Hose; 26. Spray gun. Detailed Implementation
[0021] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used herein in the specification is for the purpose of describing particular embodiments only and is not intended to limit the application; the terms "comprising" and "having," and any variations thereof, in the specification and the foregoing drawings are intended to cover non-exclusive inclusion. The terms "first," "second," etc., in the specification or the foregoing drawings are used to distinguish different objects, not to describe a specific order; the terms "inner," "outer," "left," and "right" indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.
[0022] In this document, the term "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.
[0023] This utility model embodiment provides a mortar spraying machine, such as Figure 1-5 As shown, the mortar spraying machine includes: a base plate 1, a mortar storage bin 2 fixedly installed on the top of the base plate 1, and a hopper 3 fixedly installed on the top of the mortar bin 2; a rotating rod 4 rotatably installed on the mortar bin 2, and a plurality of stirring rods 5 fixedly installed on the rotating rod 4; a motor 6 fixedly installed on the top of the mortar bin 2, and a first gear 7 fixedly sleeved on the output shaft of the motor 6; a second gear 8 fixedly sleeved on the rotating rod 4, the second gear 8 meshing with the first gear 7; a screening mechanism installed on the hopper 3 for screening mortar; and a spraying mechanism assembled on the base plate 1 for spraying mortar.
[0024] In this embodiment, during use, when the mortar enters the material box 2 through the hopper 3, the motor 6 needs to be started simultaneously. The motor 6 will drive the first gear 7 to rotate, and the first gear 7 will drive the rotating rod 4 to rotate on the material box 2 through the second gear 8. This allows the multiple stirring rods 5 on the rotating rod 4 to stir the mortar entering the material box 2, ensuring that the mortar is fully mixed and remains in a fluid state. During the stirring process, the screening mechanism will operate simultaneously under the drive of the motor 6, allowing the screening mechanism to intercept any lumps of mortar. Qualified mortar will enter the material box 2 for storage, which greatly improves the quality of the mortar. When it is necessary to spray mortar onto the wall, the spraying mechanism can be used to spray the mortar in the material box 2 onto the wall, thereby realizing the spraying work.
[0025] In a further preferred embodiment of this utility model, the screening mechanism includes: two fixing rings 9 fixedly installed on the inner wall of the hopper 3, each of the two fixing rings 9 being provided with a fixing block 10, and the same screen 11 fixedly installed on the two fixing blocks 10; a bracket 12 welded to the hopper 3, a sleeve 13 rotatably installed on the bracket 12, and a first sprocket 14 fixedly sleeved on the sleeve 13; a second sprocket 15 fixedly sleeved on the rotating rod 4; and a sprocket 14 sleeved on the first sprocket 14 and the second sprocket 15. Chain 16 on 5; rectangular rod 17 slidably mounted on sleeve 13, scraper 18 fixedly mounted at the bottom end of rectangular rod 17, the bottom of scraper 18 contacting screen 11; housing 19 fixedly mounted on bracket 12, electric telescopic rod 20 fixedly mounted on the inner wall of housing 19, connecting block 21 fixedly mounted on the output rod of electric telescopic rod 20, rotating shaft 22 rotatably mounted at the bottom of connecting block 21, the bottom end of rotating shaft 22 fixedly connected to the top end of rectangular rod 17.
[0026] In this embodiment, the screening mechanism is used to screen mortar. With the screen 11 in use, the mortar poured into the hopper 3 can be screened. Qualified mortar will flow through the screen 11 into the hopper 2, while clumped mortar will be blocked at the top of the screen 11, thus ensuring the quality of the mortar. When the motor 6 drives the rotating rod 4 to rotate via the first gear 7 and the second gear 8, the second sprocket 15 connected to the rotating rod 4 will drive the first sprocket 14 to rotate via the chain 16. The first sprocket 14 will drive the sleeve 13 to rotate on the bracket 12, the sleeve 13 will drive the rectangular rod 17 to rotate, and the rectangular rod 17 will drive the scraper 18 to rotate, causing the scraper 18 to... The screen 11 can sweep away the mortar accumulated on it to prevent the mesh of the screen 11 from becoming clogged, thus improving the screening effect of the screen 11 on the mortar. When manual cleaning of the screen 11 is required, the electric telescopic rod 20 is activated to drive the connecting block 21 to rise. The connecting block 21 will drive the rotating shaft 22 to rise. The rotating shaft 22 will drive the rectangular rod 17 to slide on the sleeve 13. The rectangular rod 17 will drive the scraper 18 to rise. After the scraper 18 moves out of the hopper 3, the screen 11 can be taken out of the hopper 3 by lifting it up, so that the two fixing blocks 10 at the bottom of the screen 11 can be separated from the two fixing rings 9. After the screen 11 is taken out, manual cleaning can be performed.
[0027] In a further preferred embodiment of the present invention, the spraying mechanism includes: a mortar pump 23 fixedly installed on the top of the base plate 1, a material extraction pipe 24 fixedly installed on the feed end of the mortar pump 23, one end of the material extraction pipe 24 extending into the interior of the material box 2; and a flexible hose 25 fixedly installed on the discharge end of the mortar pump 23, one end of the flexible hose 25 being fixedly installed with a spray gun 26.
[0028] In this embodiment, the spraying mechanism is used to spray mortar. When using it, the operator needs to remove the spray gun 26 from one side of the material box 2. After removing it, the operator aims the spray gun 26 at the wall surface to be sprayed. Then, the operator starts the mortar pump 23, which can transport the mortar in the material box 2 to the spray gun 26 through the material extraction pipe 24 and the hose 25. Finally, the mortar is sprayed out from the spray gun 26 to spray the wall surface.
[0029] In a further preferred embodiment of the present invention, a hanging ring is fixedly installed on one side of the material box 2, and a hook is provided on the hanging ring, and the hook is fixedly connected to the spray gun 26.
[0030] In this embodiment, by using the hanging ring and hook together, it is convenient for personnel to hang the spray gun 26 on one side of the material box 2 after use. When the hook is removed from the hanging ring, the spray gun 26 can be removed from one side of the material box 2 for use.
[0031] In a further preferred embodiment of the present invention, a plurality of casters are fixedly installed on the bottom of the base plate 1, and a handrail is fixedly installed on one side of the material box 2.
[0032] In this embodiment, the use of multiple casters and handrails makes it easy for personnel to push or pull the mortar spraying machine, facilitating its movement.
[0033] In a further preferred embodiment of this utility model, the bottom inner wall of the material box 2 is inclined, and the material extraction pipe 24 is L-shaped.
[0034] In this embodiment, by tilting the bottom inner wall of the hopper 2, the mortar inside the hopper 2 can be discharged more effectively.
[0035] In a further preferred embodiment of the present invention, the screen 11 is circular, and two lifting rods are fixedly installed on the top of the screen 11.
[0036] In this embodiment, the use of two lifting rods makes it convenient for personnel to pick up and put down the screen 11, so that personnel can manually clean the screen 11.
[0037] In summary, compared with related technologies, this solution, through the use of hopper 3, allows personnel to conveniently pour the required mortar into hopper 2. The motor 6 not only drives multiple stirring rods 5 to stir the mortar entering hopper 2, ensuring thorough mixing and maintaining a fluid state, but also simultaneously drives the screening mechanism. This mechanism can screen the mortar entering hopper 2, intercepting any lumps, while the qualified mortar is stored in hopper 2. This significantly improves the quality of the mortar, resulting in a much better spraying effect when the spraying machine uses the mortar from hopper 2 to spray the wall. It solves the problem of existing mortar spraying machines being unable to remove lumps, which easily affects construction quality and spraying effect.
[0038] It should be understood, in the several embodiments provided in this application, that the disclosed apparatus may be implemented in other ways.
[0039] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit the scope of protection of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on these embodiments, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model. Although this utility model has been described in detail with reference to the above embodiments, those skilled in the art can still combine, add, delete, or otherwise adjust the features of the various embodiments of this utility model according to the circumstances without conflict or creative effort, thereby obtaining different technical solutions that do not fundamentally depart from the concept of this utility model. These technical solutions are also within the scope of protection of this utility model.
Claims
1. A mortar sprayer characterized by, The utility model relates to a mortar mixing and spraying device, which comprises a bottom plate, a material box for storing mortar fixedly installed on the top of the bottom plate, a hopper fixedly installed on the top of the material box, a rotating rod rotatably installed on the material box, a plurality of stirring rods fixedly installed on the rotating rod, a motor fixedly installed on the top of the material box, a first gear fixedly sleeved on the output shaft of the motor, a second gear fixedly sleeved on the rotating rod and engaged with the first gear, a screening mechanism installed on the hopper for screening mortar, and a spraying mechanism assembled on the bottom plate for spraying mortar. The screening mechanism comprises two fixed rings fixedly installed on the inner wall of the hopper, two fixed blocks provided on the two fixed rings, and a same screen fixedly installed on the two fixed blocks. The spraying mechanism comprises a mortar pump fixedly installed on the top of the bottom plate, a suction pipe fixedly installed on the feed end of the mortar pump and extending into the interior of the material box, a hose fixedly installed on the discharge end of the mortar pump, and a spray gun fixedly installed on one end of the hose. One side of the material box is fixedly installed with a hanging ring, and a hook is provided on the hanging ring and fixedly connected with the spray gun. The bottom of the bottom plate is fixedly installed with a plurality of universal wheels, and one side of the material box is fixedly installed with a handrail. The inner wall of the bottom of the material box is obliquely arranged, and the suction pipe is arranged in an L shape. The screen is circular, and two pull rods are fixedly installed on the top of the screen.
2. The mortar sprayer of claim 1, wherein, 3. The mortar sprayer of claim 1, wherein, 4. The mortar sprayer of claim 3, wherein, 5. The mortar sprayer of claim 1, wherein, 6. The mortar sprayer of claim 3, wherein, 7. The mortar sprayer of claim 2, wherein,