Cement mortar mixing device

By designing a cement sand stirring device with a sealing cover and a swing mechanism, the problems of dust flying and low stirring uniformity are solved, and more efficient and more accurate cement strength detection is achieved.

CN222712473UActive Publication Date: 2025-04-04LESHAN FUQIAO CONSTR MATERIALS CO LTD
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Patent Information

Application Number
CN202420744269.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-11
Publication Date
2025-04-04
Estimated Expiration
2034-04-11

AI Technical Summary

Technical Problem

The existing cement sand mixing device is prone to cause dust to fly, and the stirring uniformity is not high, affecting the accuracy of cement strength detection.

Method used

A cement grit mixing device is designed, including a base, a mixing bucket, a sealing cover, a sleeve, a mixing shaft, a mixing motor and a swing mechanism. The ball hinge structure of the sealing cover prevents dust from flying, and the agitating shaft can be swung in multiple directions through the swing mechanism to improve the uniformity of the stirring.

Benefits of technology

It effectively prevents the rise of dust during the stirring process, and through the multi-directional stirring shaft, the stirring uniformity of cement glue sand is significantly improved, thereby improving the accuracy of cement strength detection.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a cement mortar mixing device, comprising a base, a mixing barrel and a swing mechanism, wherein the base comprises a horizontally arranged base and a vertically arranged column; the mixing barrel is arranged on the top of the base, the top of the mixing barrel is detachably provided with a sealing cover, the sealing cover is ball-jointed with a sleeve, a mixing shaft is coaxially sleeved in the sleeve, one end of the mixing shaft outside the mixing barrel is connected with a mixing motor, the mixing motor is connected with the sleeve, and a mixing blade is arranged on the part of the mixing shaft inside the mixing barrel; the swing mechanism comprises a swing motor and a crank connecting rod assembly, the swing motor is arranged on the pillar, the output shaft of the swing motor is connected with the input end of the crank connecting rod assembly, and the output end of the crank connecting rod assembly is axially hinged with the part of the sleeve outside the mixing barrel. The utility model can solve the problems that the existing cement mortar mixing device easily causes dust to fly and the mixing uniformity is not high.
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Description

Technical Field

[0001] The utility model relates to the technical field of cement processing, in particular to a cement mortar stirring device. Background Art

[0002] The cement mortar mixing device is one of the necessary testing instruments in the mixing station laboratory. It is mainly used for cement quality testing. The testing process requires adding water, standard sand and cement into the cement mortar mixing device, and then mixing to obtain a specimen mixture for testing the strength of cement. The mixture can then be used to test the relevant mechanical properties of cement.

[0003] Existing cement mortar mixing devices generally have the following problems: (1) During the mixing process, since the standard sand and cement therein are in powder form, dust is easily generated; (2) During the mixing process, the stirred material will diffuse outward with the stirring shaft as the center, resulting in unevenness of the stirred material along the radial direction of the stirring shaft, thereby affecting the uniformity of the final cement mortar and, in turn, the accuracy of subsequent inspections. Utility Model Content

[0004] The utility model aims to provide a cement mortar mixing device, which can solve the problems that the existing cement mortar mixing device easily causes dust flying and has low mixing uniformity.

[0005] The utility model is realized by the following technical solutions:

[0006] A cement mortar mixing device comprises a base, wherein the base comprises a horizontally arranged base and a vertically arranged column; a mixing barrel, wherein the mixing barrel is arranged on the top of the base, and a sealing cover is detachably provided on the top of the mixing barrel, wherein the sealing cover is spherically hinged with a sleeve, and a mixing shaft is coaxially sleeved in the sleeve, and the end of the mixing shaft located outside the mixing barrel is connected to a mixing motor, the mixing motor is connected to the sleeve, and a mixing blade is provided on the part of the mixing shaft located inside the mixing barrel; a swing mechanism, wherein the swing mechanism comprises a swing motor and a crank-connecting rod assembly, wherein the swing motor is arranged on the column, and the output shaft of the swing motor is connected to the input end of the crank-connecting rod assembly, and the output end of the crank-connecting rod assembly is hinged with the part of the sleeve located outside the mixing barrel.

[0007] Optionally, the crank-connecting rod assembly includes a crank and a connecting rod, one end of the crank is connected to the output shaft of the swing motor, and the other end is hinged to the connecting rod, and one end of the connecting rod away from the crank is hinged to the sleeve.

[0008] Optionally, a hinge shaft is protruding from the side wall of the sleeve, and the outer end of the hinge shaft is detachably connected to a limiting member; a hinge hole is opened at the end of the connecting rod away from the crank, and the diameter of the hinge hole matches the outer diameter of the hinge shaft and is smaller than the size of the limiting member.

[0009] Optionally, the sealing cover is provided with a ball groove, the ball groove passes through both sides of the sealing cover in the thickness direction; a matching hinged ball is rollingly connected in the ball groove, and the sleeve coaxially passes through the hinged ball and is fixedly connected to the hinged ball.

[0010] Optionally, the bottom of the mixing barrel is rotatably connected to the base via a rotating seat, and a driving gear is provided on the outer coaxial sleeve of the rotating seat; a rotating motor is provided on the top of the base, and the rotating motor is transmission-connected to a worm, and the worm is meshed with the driving gear to make the rotating seat rotate horizontally.

[0011] Optionally, a mounting groove matching the mixing barrel is formed on the top of the rotary seat, and a plurality of key grooves are formed on the groove wall of the mounting groove; a plurality of limit keys are convexly provided on the side wall of the bottom of the mixing barrel, and the limit keys correspond one-to-one to the key grooves.

[0012] Optionally, the inner bottom wall of the mixing barrel is a spherical surface with the center of the hinged ball as the center; the inner end of the mixing shaft is coaxially connected with a shovel plate, and the shovel plate is in contact with the inner bottom wall of the mixing barrel.

[0013] Optionally, the top surface of the shovel plate has a plurality of lifting slopes distributed in a ring shape, and the setting height of the starting end of the lifting slope is lower than the setting height of the terminal end.

[0014] Optionally, a plurality of stirring rods are provided on the top surface of the shovel plate.

[0015] Optionally, the outer edge of the shovel plate is provided with a plurality of cutting knives in a ring shape.

[0016] Compared with the prior art, the utility model has the following advantages and beneficial effects:

[0017] The utility model provides a cement mortar mixing device, which provides an installation foundation by setting a base, and provides a basic mixing function for cement mortar by setting a mixing barrel, a mixing motor, a mixing shaft and a mixing blade; on this basis, the mixing barrel is sealed by setting a sealing cover to prevent the possibility of dust flying during the mixing process; on this basis, a sleeve is set, a ball joint is set between the sleeve and the sealing cover, a mixing shaft is coaxially sleeved in the sleeve, and a mixing motor is connected to the outer end of the sleeve, so that the mixing shaft can swing in all directions with the sleeve as support, and because it is a ball joint, as long as the swing range of the sleeve is reasonable, it will not affect the sealing performance of the sealing cover, and on this basis, a swing mechanism is set, which includes a swing motor and a crank connecting rod assembly, and the swing motor is used to drive the crank connecting rod assembly to linearly reciprocate, thereby driving the sleeve to swing back and forth, and then driving the mixing shaft to swing back and forth in the mixing barrel, thereby effectively improving the uniformity of mixing; through the mutual cooperation of the above-mentioned features, the cement mortar mixing device can effectively solve the problem that the existing cement mortar mixing device is easy to cause dust flying and the mixing uniformity is not high. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The drawings described herein are used to provide a further understanding of the embodiments of the present utility model, constitute a part of this application, and do not constitute a limitation of the embodiments of the present utility model. In the drawings:

[0019] Figure 1 A side cross-sectional schematic diagram of a cement mortar mixing device provided in an embodiment of the utility model;

[0020] Figure 2 A schematic top view of a shovel plate of a cement mortar mixing device provided in an embodiment of the utility model;

[0021] Figure 3 A schematic top view of a rotary seat of a cement mortar mixing device provided in an embodiment of the utility model;

[0022] Figure 4 A partial enlarged schematic diagram of a ball joint of a cement mortar mixing device provided in an embodiment of the utility model;

[0023] Figure 5 A partial enlarged schematic diagram of the connecting rod and sleeve shaft hinge of the cement mortar mixing device provided in an embodiment of the utility model.

[0024] Marks and corresponding parts names in the attached drawings:

[0025] 10-base; 101-rotating motor; 102-worm; 11-column; 12-swivel seat; 121-driving gear; 122-mounting slot; 123-key slot; 20-mixing barrel; 201-limit key; 21-sealing cover; 211-ball slot; 212-articulated ball; 22-sleeve; 221-articulated shaft; 222-limiting piece; 23-mixing shaft; 231-shovel plate; 2311-lifting slope; 2312-mixing rod; 2313-cutter; 24-mixing motor; 25-mixing blade; 30-swinging motor; 31-crank; 32-connecting rod; 321-articulated hole. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solutions and advantages of the utility model more clearly understood, the utility model is further described in detail below in conjunction with embodiments and drawings. The schematic implementation manner of the utility model and its description are only used to explain the utility model and are not intended to limit the utility model.

[0027] Example

[0028] Please refer to Figures 1 to 5 The present embodiment provides a cement mortar mixing device, comprising a base, the base comprising a horizontally arranged base 10 and a vertically arranged column 11; secondly, a mixing barrel 20, the mixing barrel 20 is arranged on the top of the base 10, the top of the mixing barrel 20 is detachably provided with a sealing cover 21, the sealing cover 21 is ball-hinged with a sleeve 22, a mixing shaft 23 is coaxially sleeved in the sleeve 22, the end of the mixing shaft 23 located outside the mixing barrel 20 is connected to a mixing motor 24, the mixing motor 24 is connected to the sleeve 22, and a mixing blade 25 is provided at the part of the mixing shaft 23 located inside the mixing barrel 20; thirdly, a swing mechanism, the swing mechanism comprises a swing motor 30 and a crank-connecting rod assembly, the swing motor 30 is arranged on the column 11, the output shaft of the swing motor 30 is connected to the input end of the crank-connecting rod assembly, and the output end of the crank-connecting rod assembly is hinged with the part of the sleeve 22 located outside the mixing barrel 20.

[0029] The cement mortar mixing device provided in this embodiment provides a base for installation by setting a base, and provides a basic mixing function for cement mortar by setting a mixing barrel 20, a mixing motor 24, a mixing shaft 23 and a mixing blade 25; on this basis, the mixing barrel 20 is sealed by setting a sealing cover 21 to prevent the possibility of dust flying during the mixing process; on this basis, a sleeve 22 is set, a ball joint is set between the sleeve 22 and the sealing cover 21, a mixing shaft 23 is coaxially sleeved in the sleeve 22, and a mixing motor 24 is set to be connected to the outer end of the sleeve 22, so that the mixing shaft 23 can be supported by the sleeve 22 to move in all directions. The sleeve 22 is swayed, and because it is a ball joint, as long as the swing range of the sleeve 22 is reasonable, it will not affect the sealing performance of the sealing cover 21. On this basis, a swing mechanism is provided, which includes a swing motor 30 and a crank-connecting rod assembly. The swing motor 30 is used to drive the crank-connecting rod assembly to move linearly back and forth, thereby driving the sleeve 22 to swing back and forth, and then driving the stirring shaft 23 to swing back and forth in the mixing barrel 20, thereby effectively improving the uniformity of mixing. Through the mutual cooperation of the above-mentioned features, the cement mortar mixing device can effectively solve the problem that the existing cement mortar mixing device is prone to causing dust flying and the mixing uniformity is not high.

[0030] In order to further explain the specific structure and connection method of the crank-connecting rod assembly, the crank-connecting rod assembly includes a crank 31 and a connecting rod 32, one end of the crank 31 is connected to the output shaft of the swing motor 30, and the other end is hinged to the connecting rod 32, and the end of the connecting rod 32 away from the crank 31 is hinged to the sleeve 22.

[0031] In order to facilitate the removal of the sealing cover 21 after stirring is completed, a hinge shaft 221 is protruding from the side wall of the sleeve 22, and the outer end of the hinge shaft 221 is detachably connected to a limiting member 222; a hinge hole 321 is opened at the end of the connecting rod 32 away from the crank 31, and the diameter of the hinge hole 321 matches the outer diameter of the hinge shaft 221 and is smaller than the size of the limiting member 222.

[0032] Through the above arrangement, the connecting rod 32 and the hinge shaft 221 can be disassembled. The two can be disassembled by simply removing the limiter 222, and then the sealing cover 21 together with the stirring shaft is disassembled to open the stirring barrel 20.

[0033] In order to further explain the ball joint structure of the sleeve 22 and the sealing cover 21, the sealing cover 21 is provided with a ball groove 211, and the ball groove 211 runs through both sides of the sealing cover 21 in the thickness direction; a matching hinge ball 212 is rollingly connected in the ball groove 211, and the sleeve 22 coaxially passes through the hinge ball 212 and is fixedly connected to the hinge ball 212.

[0034] Through the above arrangement, the sealing performance of the sealing cover 21 can be guaranteed no matter how the hinge ball 212 rotates.

[0035] In order to further improve the uniformity of stirring, the bottom of the mixing barrel 20 is rotatably connected to the base 10 through a rotating seat 12, and a driving gear 121 is coaxially sleeved outside the rotating seat 12; a rotating motor 101 is provided on the top of the base 10, and the rotating motor 101 is transmission-connected to a worm 102, and the worm 102 is meshed with the driving gear 121 to enable the rotating seat 12 to rotate horizontally.

[0036] Through the above arrangement, on the basis of the planar swing of the stirring shaft 23, combined with the rotation of the stirring barrel 20 around its own axis, the stirring shaft 23 can further stir various positions in the stirring barrel 20, thereby effectively improving the uniformity of stirring.

[0037] In order to facilitate the removal of the cement mortar mixed in the mixing barrel 20, a mounting groove 122 matching the mixing barrel 20 is opened on the top of the rotary seat 12, and a plurality of key grooves 123 are opened on the groove wall of the mounting groove 122; a plurality of limit keys 201 are protruding from the side wall of the bottom of the mixing barrel 20, and the limit keys 201 correspond to the key grooves 123 one by one.

[0038] Through the above arrangement, the mixing barrel 20 is detachably connected to the rotary seat 12. When the mixing is completed, the mixing barrel 20 can be removed and the cement mortar therein can be poured out. When reinstalling, it is only necessary to align the limit key 201 and the corresponding key slot 123 and then place the mixing barrel 20 downward into the installation slot 122.

[0039] In order to prevent the stirring material from depositing or adhering to the bottom wall of the mixing barrel 20, the inner bottom wall of the mixing barrel 20 is a spherical surface with the center of the hinged ball 212 as the center; the inner end of the mixing shaft 23 is coaxially connected with a shovel plate 231, and the shovel plate 231 is in contact with the inner bottom wall of the mixing barrel 20.

[0040] Through the above arrangement, the shovel plate 231 can swing back and forth with the stirring shaft 23 while maintaining rotation. Combined with the rotation of the stirring barrel 20, the shovel plate 231 can scrape various positions of the bottom wall of the stirring barrel 20, thereby processing the stirring material deposited or adhered to the bottom wall of the stirring barrel 20.

[0041] Preferably, in order to further stir the scooped stirring material, the top surface of the shovel plate 231 has multiple sections of lifting slopes 2311 distributed in a ring shape, and the setting height of the starting end of the lifting slope 2311 is lower than the setting height of the terminal end.

[0042] Preferably, in order to further stir the scooped stirring material, a plurality of stirring rods 2312 are provided on the top surface of the shovel plate 231 .

[0043] Preferably, in order to further stir the scooped stirring material, a plurality of cutting knives 2313 are provided in a ring shape on the outer edge of the shovel plate 231 .

[0044] The specific implementation methods described above further illustrate the purpose, technical solutions and beneficial effects of the utility model in detail. It should be understood that the above description is only the specific implementation method of the utility model and is not used to limit the protection scope of the utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A cement mortar mixing device, characterized in that: include: A base, the base comprising a horizontally arranged base (10) and a vertically arranged column (11); A stirring barrel (20), the stirring barrel (20) being arranged on the top of the base (10), the top of the stirring barrel (20) being detachably provided with a sealing cover (21), the sealing cover (21) being spherically hinged with a sleeve (22), a stirring shaft (23) being coaxially sleeved in the sleeve (22), one end of the stirring shaft (23) being located outside the stirring barrel (20) being connected to a stirring motor (24), the stirring motor (24) being connected to the sleeve (22), and a stirring blade (25) being provided at a portion of the stirring shaft (23) located inside the stirring barrel (20); A swing mechanism, the swing mechanism comprising a swing motor (30) and a crank connecting rod assembly, the swing motor (30) being arranged on the column (11), the output shaft of the swing motor (30) being connected to the input end of the crank connecting rod assembly, and the output end of the crank connecting rod assembly being hinged to the part of the sleeve (22) located outside the mixing barrel (20).

2. The cement mortar mixing device according to claim 1, characterized in that: The crank-connecting rod assembly comprises a crank (31) and a connecting rod (32); one end of the crank (31) is connected to the output shaft of the swing motor (30), and the other end is hinged to the connecting rod (32); and one end of the connecting rod (32) away from the crank (31) is hinged to the sleeve (22).

3. The cement mortar mixing device according to claim 2, characterized in that: A hinge shaft (221) is convexly provided on the side wall of the sleeve (22), and the outer end of the hinge shaft (221) is detachably connected to a limiting member (222); A hinge hole (321) is formed at one end of the connecting rod (32) away from the crank (31); the diameter of the hinge hole (321) matches the outer diameter of the hinge shaft (221) and is smaller than the size of the limiting member (222).

4. The cement mortar mixing device according to claim 3, characterized in that: The sealing cover (21) is provided with a ball groove (211), and the ball groove (211) passes through two sides of the sealing cover (21) in the thickness direction; A matching hinge ball (212) is rollingly connected in the ball groove (211), and the sleeve (22) coaxially penetrates the hinge ball (212) and is fixedly connected to the hinge ball (212).

5. The cement mortar mixing device according to claim 4, characterized in that: The bottom of the mixing barrel (20) is rotatably connected to the base (10) via a rotary seat (12), and a driving gear (121) is coaxially sleeved outside the rotary seat (12); A rotating motor (101) is provided on the top of the base (10), and the rotating motor (101) is drivingly connected to a worm (102), and the worm (102) is meshed with the driving gear (121) to enable the rotating seat (12) to rotate horizontally.

6. The cement mortar mixing device according to claim 5, characterized in that: The top of the rotary seat (12) is provided with a mounting groove (122) matching the mixing barrel (20), and the groove wall of the mounting groove (122) is provided with a plurality of key grooves (123); A plurality of limit keys (201) are protrudingly provided on the side wall of the bottom of the mixing barrel (20), and the limit keys (201) correspond one-to-one to the key slots (123).

7. The cement mortar mixing device according to claim 6, characterized in that: The inner bottom wall of the mixing barrel (20) is a spherical surface with the center of the hinged ball (212) as the center; The inner end of the stirring shaft (23) is coaxially connected to a shovel plate (231), and the shovel plate (231) is in contact with the inner bottom wall of the stirring barrel (20).

8. The cement mortar mixing device according to claim 7, characterized in that: The top surface of the shovel plate (231) is provided with a plurality of lifting slopes (2311) distributed in a ring shape, and the setting height of the starting end of the lifting slope (2311) is lower than the setting height of the terminal end.

9. The cement mortar mixing device according to claim 7, characterized in that: A plurality of stirring rods (2312) are provided on the top surface of the shovel plate (231).

10. The cement mortar mixing device according to claim 7, characterized in that: The outer edge of the shovel plate (231) is annularly provided with a plurality of cutting knives (2313).

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