Cement mortar mixer

By introducing a chute baffle and a conical barrel structure into the cement sand mixer, combined with a high-pressure water pump cleaning system and multi-layer mixing blades, the problems of dust overflow, low efficiency and difficulty in cleaning are solved, efficient stirring and thorough cleaning are achieved, and the equipment is improved in service effect and life.

CN120269683AInactive Publication Date: 2025-07-08GUANGZHOU TONGZHENG ENG INSPECTION CO LTD
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Patent Information

Application Number
CN202510404631.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-04-01
Publication Date
2025-07-08
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

The existing cement granular mixers have dust overflowed polluted air during the mixing process, which is harmful to health, has low mixing efficiency and is difficult to clean, affecting the use effect and life of the mixer.

Method used

A mixer with a slide chute and a baffle is designed to prevent dust overflow from occurring by a motor drive screw; a conical barrel structure is adopted to reduce blind spots, and combined with a high-pressure water pump cleaning system and multi-layer mixing blade design, it can achieve full stirring and cleaning.

Benefits of technology

Effectively avoid dust overflow, improve mixing efficiency, ensure thorough cleaning, extend the service life of the mixer, and improve the quality of cement and sand mixing.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses a cement mortar stirring machine, and relates to the technical field of cement mortar stirring, the cement mortar stirring machine comprises a bottom plate, vertical plates are arranged on two sides of the top of the bottom plate, a telescopic supporting top is arranged at the bottom of the bottom plate, a circular through hole is formed in the middle of the bottom plate, and a stirring barrel matched with the circular through hole is arranged in the bottom plate; a cleaning mechanism is arranged on the outer side of the upper portion of the stirring barrel, sliding grooves are formed in the inner sides of vertical plates at the two ends of the stirring barrel, baffles are arranged in the middles of the sliding grooves, lead screws are arranged on the two sides of the baffles, and sliding blocks matched with the sliding grooves are arranged on the outer sides of the lead screws. A sliding cover mechanism is arranged on the side face of the sliding block, a rotatable feeding hopper is arranged in the middle of the vertical plate, a mounting frame is arranged in the middle of the side edge of the bottom plate, and a stirring mechanism is arranged below the middle of the mounting frame.
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Description

Technical Field

[0001] The present invention relates to the technical field of cement mortar mixing, and particularly to a cement mortar mixer. Background Art

[0002] In the modern construction industry, the quality and proportion of materials are directly related to the overall quality and durability of the project. As an important building material preparation equipment, the cement mortar mixer plays a crucial role in the preparation process of building materials with its efficient and uniform mixing effect. The stability of its performance and the level of efficiency are directly related to the accuracy and reliability of the cement mortar test results. However, there are some deficiencies and drawbacks in the structural design of existing cement mortar mixers. These problems not only affect the use effect of the mixer but also limit its application in a wider range of fields.

[0003] For existing cement mortar mixers, the upper end of the mixing barrel is open, resulting in a large amount of dust overflow during the mixing process, which will not only pollute the air but also endanger the health of nearby workers. Secondly, some mixers have problems with low efficiency during the mixing process, mainly due to the unscientific design of the mixing blades or the unreasonable setting of the mixing speed and method. This not only prolongs the mixing time but also may affect the quality of the concrete. At the same time, it is difficult to clean the residual materials on the inner wall of the mixing barrel after mixing in existing cement mortar mixers, reducing the service life of the mixing barrel. Summary of the Invention

[0004] A cement mortar mixer proposed by the present invention solves the problems of a large amount of dust overflow during the mixing process of existing cement mortar mixers, polluting the air and endangering the health of nearby workers, as well as low mixing efficiency and difficulty in cleaning.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] A cement mortar mixer includes a bottom plate. On both sides of the top of the bottom plate, there are vertical plates, and at the bottom of the bottom plate, there is a telescopic support top. In the middle of the bottom plate, there is a circular through-hole, and inside the bottom plate, there is a mixing barrel matching the circular through-hole. The bottom of the mixing barrel is connected to a conical barrel, and at the bottom of the conical barrel, there is an openable and closable discharge port. Outside the mixing barrel above, there is a cleaning mechanism. Inside the vertical plates at both ends, there are chutes. In the middle of the chutes, there is a baffle, and on both sides of the baffle, there are lead screws. Outside the lead screws, there are sliders matching the chutes, and on the side of the sliders, there is a sliding cover mechanism. In the middle of the vertical plates, there is a rotatable feed hopper, and in the middle of the side of the bottom plate, there is a mounting frame. Below the middle of the mounting frame, there is a mixing mechanism.

[0007] Preferably, an electric push rod is provided at the top of the support top, and a support frame is connected to the top of the electric push rod, and the support frame is connected to the bottom of the bottom plate.

[0008] Preferably, the conical barrel is located inside the support frame, and a valve knob is provided on the side of the discharge port.

[0009] Preferably, the cleaning mechanism includes a connecting water pipe and an annular nozzle. An annular nozzle is provided outside the upper part of the mixing barrel. A connecting water pipe is provided on the side of the annular nozzle, and the connecting water pipe penetrates through the bottom plate and extends to the support frame. The connecting water pipe is externally connected to a high-pressure water pump to form a cleaning structure.

[0010] Preferably, the sliding cover mechanism includes a first driving motor, a driving gear, a driven gear, a first cover plate, and a second cover plate. Driven gears are provided on the sides of the screw rod at the other end. First driving motors are provided on both sides of the top of the vertical plate, and a driving gear is installed at the output end of the first driving motor. The driving gear is meshed with the driven gear, and the sides of the slider are respectively connected to the first cover plate and the second cover plate to form a sliding cover structure.

[0011] Preferably, a groove matching the feed hopper is provided in the middle of the vertical plate, and rotating shafts are provided on both sides of the feed hopper. The feed hopper is installed inside the groove through the rotating shafts on both sides, and an electric telescopic rod is provided outside the groove, and the top of the electric telescopic rod is connected to the feed hopper.

[0012] Preferably, a second driving motor is provided in the middle of the top of the mounting frame, and a stirring shaft is installed through a bolt sleeve at the output end of the second driving motor.

[0013] Preferably, the stirring mechanism includes a third driving motor, a fixing frame, a channel, a slideway, a movable plate, a driving wheel disc, a driven wheel disc, a belt, a first stirring blade, a second stirring blade, a short bolt, and a short shaft. A fixing frame is provided inside the mixing barrel and the conical barrel outside the stirring shaft. A first stirring blade is installed on the side of the fixing frame outside the stirring shaft through a short bolt, and channels are provided on the outside of both ends of the fixing frame. A third driving motor is provided above the fixing frame inside the channel, and multiple groups of second stirring blades are provided inside the fixing frame.

[0014] Preferably, short shafts are provided on both sides of the second stirring blade, and the second stirring blade is installed inside the fixing frame through the short shafts. The short shafts extend into the channel, and driven wheel discs are provided on the sides of the short shafts inside the channel. A driving wheel disc is installed at the output end of the third driving motor, and both the driving wheel disc and the driven wheel disc are double-groove wheel discs. The driving wheel disc and the driven wheel disc are respectively connected by two independent belts.

[0015] Preferably, slideways are respectively arranged on both sides of the chute, and a movable plate matching the slideways is arranged inside the chute and is in interactive connection to form a stirring structure.

[0016] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0017] 1. For this cement mortar mixer, when the stirring shaft, the fixing frame, and the first stirring blade rotate and stir in the tank driven by the second driving motor, in cooperation with the third driving motor, the third driving motor drives through the driving pulley disc, the driven pulley disc and the belt to realize the up-and-down stirring of the second stirring blade in the tank, so that the cement mortar at the bottom of the tank can be stirred and mixed upward, avoiding the difficult heat dissipation at the bottom and uneven heat reception after the heat generation during the stirring and mixing process of the cement mortar, realizing more sufficient stirring and mixing, and improving the quality of the cement mortar stirring.

[0018] 2. A chute is arranged inside the vertical plate, a baffle is arranged in the middle of the chute, and lead screws are arranged on both sides of the baffle. The first cover plate and the second cover plate are driven by the first driving motor to drive the lead screws to cover the upper end of the stirring barrel, which can effectively avoid the overflow of dust during stirring, thereby effectively avoiding the pollution of the air and damaging the health of the staff.

[0019] 3. A connecting water pipe is arranged on the side of the annular nozzle, and the connecting water pipe is externally connected to a high-pressure water pump to form a cleaning structure, which is convenient for cleaning the inside of the mixer to ensure no dead corners and thorough cleaning. At the same time, the output end of the second driving motor is sleeved and installed with a stirring shaft through a bolt, and the first stirring blade is installed on the outside of the stirring shaft through a short bolt. The design of the easily detachable stirring blades and internal structure is convenient for cleaning and maintenance. In addition, the bottom of the stirring barrel is connected with a conical barrel. The setting of the conical barrel avoids designing too many dead corners and grooves to reduce the possibility of accumulating cement mortar. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of the present invention.

[0021] Figure 2 It is a structural schematic diagram of the sliding cover mechanism of the present invention.

[0022] Figure 3 It is a top view structural schematic diagram of the present invention.

[0023] Figure 4 It is an exploded structural schematic diagram of the present invention.

[0024] Figure 5 It is a structural schematic diagram of the stirring mechanism of the present invention.

[0025] Figure 6 It is a disassembled structural schematic diagram of the stirring mechanism of the present invention.

[0026] Reference numerals in the figure: 1, bottom plate; 2, vertical plate; 3, support top; 4, circular through-hole; 5, mixing barrel; 6, conical barrel; 7, discharge port; 8, chute; 9, baffle; 10, lead screw; 11, slider; 14, feed hopper; 15, mounting bracket; 16, electric push rod; 17, support frame; 18, valve knob; 19, connecting water pipe; 20, annular nozzle; 21, first drive motor; 22, driving gear; 23, driven gear; 24, first cover plate; 25, second cover plate; 26, groove; 27, rotating shaft; 28, electric telescopic rod; 29, second drive motor; 30, bolt; 31, mixing shaft; 32, third drive motor; 33, fixing bracket; 34, channel; 35, slideway; 36, movable plate; 37, driving wheel disc; 38, driven wheel disc; 39, belt; 40, first mixing blade; 41, second mixing blade; 42, short bolt; 43, short shaft. Detailed implementation mode

[0027] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.

[0028] Refer to Figures 1-6, the present invention provides a technical solution: a cement mortar mixer, including a bottom plate 1, vertical plates 2 are arranged on both sides of the top of the bottom plate 1, and a telescopic support top 3 is arranged at the bottom of the bottom plate 1. A circular through hole 4 is arranged in the middle of the bottom plate 1, and a mixing barrel 5 matching the circular through hole 4 is arranged inside the bottom plate 1. A conical barrel 6 is connected to the bottom of the mixing barrel 5, and an openable and closable discharge port 7 is arranged at the bottom of the conical barrel 6. A cleaning mechanism is arranged outside the upper part of the mixing barrel 5, and chutes 8 are arranged on the inner sides of the two end vertical plates 2. A baffle 9 is arranged in the middle of the chute 8, and lead screws 10 are arranged on both sides of the baffle 9. A slider 11 matching the chute 8 is arranged outside the lead screw 10, and a sliding cover mechanism is arranged on the side of the slider 11. A rotatable feed hopper 14 is arranged in the middle of the vertical plate 2, and an installation frame 15 is arranged in the middle of the side of the bottom plate 1. A mixing mechanism is arranged below the middle of the installation frame 15. An electric push rod 16 is arranged at the top of the support top 3, and a support frame 17 is connected to the top of the electric push rod 16. The support frame 17 is connected to the bottom of the bottom plate 1 to ensure the stability of the mixer. The conical barrel 6 is located inside the support frame 17, and a valve knob 18 is arranged on the side of the discharge port 7. The setting of the conical barrel 6 is adopted to avoid designing too many dead corners and grooves 26 to reduce the possibility of accumulating cement mortar; the cleaning mechanism includes a connecting water pipe 19 and an annular nozzle 20, and the annular nozzle 20 is arranged outside the upper part of the mixing barrel 5. The connecting water pipe 19 is arranged on the side of the annular nozzle 20, and the connecting water pipe 19 penetrates through the bottom plate 1 and extends to the support frame 17. The connecting water pipe 19 is externally connected to a high-pressure water pump to form a cleaning structure, which is convenient for cleaning the inside of the mixer to ensure no dead corners; a groove 26 matching the feed hopper 14 is arranged in the middle of the vertical plate 2, and rotating shafts 27 are arranged on both sides of the feed hopper 14. The feed hopper 14 is installed inside the groove 26 through the two side rotating shafts 27, and an electric telescopic rod 28 is arranged outside the groove 26. The top of the electric telescopic rod 28 is connected to the feed hopper 14. A second driving motor 29 is arranged in the middle of the top of the installation frame 15, and a stirring shaft 31 is sleeved and installed at the output end of the second driving motor 29 through a bolt 30.

[0029] Referring to Figure 2 , Figure 3 , the sliding cover mechanism includes a first driving motor 21, a driving gear 22, a driven gear 23, a first cover plate 24, and a second cover plate 25. Driven gears 23 are arranged on the sides of the other lead screws 10. First driving motors 21 are arranged on both sides of the top of the vertical plate 2, and driving gears 22 are installed at the output ends of the first driving motors 21. The driving gear 22 is meshed with the driven gear 23, and the first cover plate 24 and the second cover plate 25 are respectively connected to the sides of the slider 11 to form a sliding cover structure, effectively avoiding dust overflow during stirring, thereby effectively avoiding air pollution and damaging the health of the staff.

[0030] Referring to Figure 5 , Figure 6, the stirring mechanism includes a third driving motor 32, a fixed frame 33, a channel 34, a slideway 35, a movable plate 36, a driving pulley disc 37, a driven pulley disc 38, a belt 39, a first stirring blade 40, a second stirring blade 41, a short bolt 42, and a short shaft 43. A fixed frame 33 is arranged inside the stirring barrel 5 and the conical barrel 6 on the outer side of the stirring shaft 31. A first stirring blade 40 is installed on the side of the fixed frame 33 on the outer side of the stirring shaft 31 through a short bolt 42. Channels 34 are arranged on the outer sides of both ends of the fixed frame 33. A third driving motor 32 is arranged above the fixed frame 33 inside the channel 34. Multiple groups of second stirring blades 41 are arranged inside the fixed frame 33. Short shafts 43 are arranged on both sides of the second stirring blade 41. The second stirring blade 41 is installed inside the fixed frame 33 through the short shaft 43. The short shaft 43 extends into the channel 34. Driven pulley discs 38 are arranged on the side surfaces of the short shaft 43 inside the channel 34. A driving pulley disc 37 is installed at the output end of the third driving motor 32. Both the driving pulley disc 37 and the driven pulley disc 38 are double-groove pulley discs. The driving pulley disc 37 and the driven pulley disc 38 are respectively connected by two independent belts 39 for transmission. Slideways 35 are respectively arranged on both sides of the channel 34. A movable plate 36 that matches the slideway 35 is arranged inside the channel 34 and is connected in an interactive manner to form a stirring structure, realizing more sufficient stirring and mixing, and improving the quality of cement mortar stirring.

[0031] Specifically, when the cement mortar mixer is in use, first, the device is stably placed on the working site through the support frame 17, the electric push rod 16, and the support frame 17. Then, manually rotate the valve knob 18 to ensure that the discharge port 7 is closed. Immediately afterwards, the electric telescopic rod 28 is lifted to turn the feed hopper 14 to the upper end of the stirring barrel 5, and cement mortar is added through the feed hopper 14.

[0032] During operation, a baffle 9 is arranged in the middle of the chute 8. Lead screws 10 are arranged on both sides of the baffle 9. The first driving motor 21 drives the lead screws 10 through the driving gear 22 and the driven gear 23 to realize the shielding of the upper end of the stirring barrel 5 by the first cover plate 24 and the second cover plate 25. When starting the second driving motor 29 arranged in the middle of the top of the mounting frame 15 to drive the stirring shaft 31, the fixed frame 33, and the first stirring blade 40 to rotate and stir in the tank body, in cooperation with the third driving motor 32, the third driving motor 32 drives through the driving pulley disc 37, the driven pulley disc 38, and the belt 39 to realize the up-and-down stirring of the second stirring blade 41 in the tank body, so that the cement mortar at the bottom of the tank body can be stirred and mixed upwards, and sufficient stirring is carried out. After completion, it is discharged through the discharge port 7. When cleaning the inside of the stirring barrel 5 and the conical barrel 6, a high-pressure water pump is externally connected through the connecting water pipe 19, and the annular nozzle 20 is used to clean the inside of the tank body, effectively cleaning the residual materials on the inner walls of the stirring barrel 5 and the conical barrel 6 to ensure its service life.

[0033] The above are only the preferred specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and inventive concept of the present invention, making equivalent substitutions or changes should be covered within the protection scope of the present invention.

Claims

1. A cement mortar mixer, comprising a bottom plate (1), characterized in that, On both sides of the top of the bottom plate (1), there are vertical plates (2) provided, and at the bottom of the bottom plate (1), there is a telescopic support top (3) provided. In the middle of the bottom plate (1), there is a circular through-hole (4) provided, and inside the bottom plate (1), there is a mixing barrel (5) that matches the circular through-hole (4). The bottom of the mixing barrel (5) is connected to a conical barrel (6), and at the bottom of the conical barrel (6), there is an openable and closable discharge port (7) provided. Outside the upper part of the mixing barrel (5), there is a cleaning mechanism provided, and inside the inner sides of both ends of the vertical plates (2), there are chutes (8) provided. In the middle of the chute (8), there is a baffle (9) provided, and on both sides of the baffle (9), there are screw rods (10) provided. Outside the screw rods (10), there are sliders (11) that match the chutes (8) provided, and on the side of the slider (11), there is a sliding cover mechanism provided. In the middle of the vertical plate (2), there is a rotatable feed hopper (14) provided, and in the middle of the side of the bottom plate (1), there is a mounting bracket (15) provided. Below the middle of the mounting bracket (15), there is a mixing mechanism provided.

2. The cement mortar mixer according to claim 1, characterized in that, At the top of the support top (3), there is an electric push rod (16) provided, and at the top of the electric push rod (16), there is a support frame (17) connected, and the support frame (17) is connected to the bottom of the bottom plate (1).

3. The cement mortar mixer according to claim 1, characterized in that, The conical barrel (6) is located inside the support frame (17), and on the side of the discharge port (7), there is a valve knob (18) provided.

4. The cement mortar mixer according to claim 1, characterized in that, The cleaning mechanism includes a connecting water pipe (19) and an annular nozzle (20). Outside the upper part of the mixing barrel (5), there is an annular nozzle (20) provided. On the side of the annular nozzle (20), there is a connecting water pipe (19) provided, and the connecting water pipe (19) penetrates through the bottom plate (1) and extends to the support frame (17). The connecting water pipe (19) is externally connected to a high-pressure water pump to form a cleaning structure.

5. The cement mortar mixer according to claim 1, wherein, The sliding cover mechanism includes a first driving motor (21), a driving gear (22), a driven gear (23), a first cover plate (24), and a second cover plate (25). On the side of the screw rod (10) at the other end, there are driven gears (23) provided. On both sides of the top of the vertical plate (2), there are first driving motors (21) provided, and at the output end of the first driving motor (21), there is a driving gear (22) installed. The driving gear (22) is meshed and connected with the driven gear (23), and on the side of the slider (11), there are a first cover plate (24) and a second cover plate (25) connected respectively to form a sliding cover structure.

6. The cement mortar mixer according to claim 1, characterized in that, In the middle of the vertical plate (2), there is a groove (26) that matches the feed hopper (14) provided, and on both sides of the feed hopper (14), there are rotating shafts (27) provided. The feed hopper (14) is installed inside the groove (26) through the rotating shafts (27) on both sides, and outside the groove (26), there is an electric telescopic rod (28) provided. The top of the electric telescopic rod (28) is connected to the feed hopper (14).

7. The cement mortar mixer according to claim 1, wherein In the middle of the top of the mounting bracket (15), there is a second driving motor (29) provided, and at the output end of the second driving motor (29), there is a mixing shaft (31) sleeved and installed through a bolt (30).

8. The cement mortar mixer according to claim 1, wherein, The stirring mechanism includes a third driving motor (32), a fixing frame (33), a channel (34), a slideway (35), a movable plate (36), a driving pulley disc (37), a driven pulley disc (38), a belt (39), a first stirring blade (40), a second stirring blade (41), a short bolt (42), and a short shaft (43). A fixing frame (33) is arranged on the outer side of the stirring shaft (31) inside the stirring barrel (5) and the conical barrel (6). The first stirring blade (40) is installed on the side of the fixing frame (33) on the outer side of the stirring shaft (31) through a short bolt (42). Channels (34) are arranged on the outer sides of both ends of the fixing frame (33). A third driving motor (32) is arranged above the fixing frame (33) inside the channel (34). Multiple groups of second stirring blades (41) are arranged inside the fixing frame (33).

9. The cement mortar mixer according to claim 8, characterized in that, Short shafts (43) are arranged on both sides of the second stirring blade (41). The second stirring blade (41) is installed inside the fixing frame (33) through the short shafts (43). The short shafts (43) extend into the channel (34). Driven pulley discs (38) are arranged on the sides of the short shafts (43) inside the channel (34). The output end of the third driving motor (32) is installed with a driving pulley disc (37). Both the driving pulley disc (37) and the driven pulley disc (38) are double-groove pulley discs. The driving pulley disc (37) and the driven pulley disc (38) are respectively connected by two independent belts (39) for transmission connection.

10. The cement mortar mixer according to claim 9, characterized in that, Slideways (35) are respectively arranged on both sides of the channel (34). An activity plate (36) that matches the slideways (35) is arranged inside the channel (34) and is connected in an interactive manner to form a stirring structure.