Concrete stirring device
By designing a screen, rotatable mixing blades, and scraping components at the feed inlet of the concrete mixing device, the problems of sand and gravel entering and damaging the device and low mixing efficiency are solved, achieving efficient and reliable operation and easy maintenance of the equipment.
Patent Information
- Application Number
- CN202520315858.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-26
- Publication Date
- 2026-02-03
- Estimated Expiration
- 2035-02-26
AI Technical Summary
The existing concrete mixing equipment does not have a screen at the feed inlet, which makes it easy for larger sand and gravel to enter the mixing tank, damaging the mixing components. In addition, the mixing rod rotates in a fixed direction, resulting in low mixing efficiency and poor practicality.
A screen is designed at the feed inlet and can be quickly installed through the cooperation of slots and rods. Combined with rotatable stirring blades and scraping components, including the design of helical gears and scrapers, it can achieve multi-directional rotation and rapid cleaning.
It effectively prevents sand and gravel from entering the mixing tank, extends equipment life, improves mixing efficiency, simplifies cleaning and replacement processes, and avoids resource waste.
Smart Images

Figure CN223864019U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to concrete technical field, concretely is a kind of concrete mixing device. BACKGROUND
[0002] Concrete mixing device is a kind of electromechanical equipment for centralized stirring concrete, mainly by batching system, storage system, feeding system, unloading system, concrete mixing system and control system etc.
[0003] Chinese utility model patent announcement No. CN221912603U discloses a concrete mixing device, which can scrape the concrete deposited on the guide cover when the concrete is accumulated on the guide cover, and help the concrete to be guided out of the discharge pipe after the concrete mixing is completed. SUMMARY
[0004] The utility model provides a concrete mixing device, which can effectively solve the problems in the prior art, such as not designing a screen at the feed inlet, large stones easily entering the interior of the mixing tank, the mixing assembly being easily damaged during use, affecting the normal use of the whole, the mixing rod only rotating around the rotating shaft, the rotating direction being fixed, the mixing efficiency being low, the practicability being poor, and inconvenient use and promotion.
[0005] The utility model discloses the technical scheme that adopts is: a kind of concrete mixing device, including mixing tank and top cap, the top cap is fixedly installed with feed hopper at the end away from mixing tank, the outer surface of the feed hopper is equipped with slot one and positioning groove one, the feed hopper is provided with screen on the side away from top cap, the outer surface of the screen is equipped with slot two, the screen is insertedly installed with inserting rod on the side away from feed hopper, the top cap is fixedly installed with motor at the end away from mixing tank, the output end of the motor is fixedly installed with rotating shaft one, the outer surface of the rotating shaft one is fixedly installed with mixing assembly and scraping assembly, the mixing tank is fixedly installed with connector at the end away from top cap, the connector is equipped with guide slot and through-hole one at the end away from mixing tank, the connector is provided with discharge outlet at the end away from mixing tank, the discharge outlet is fixedly installed with guide block near the end of connector, the discharge outlet is equipped with through-hole two near the end of connector, the connector is insertedly installed with limiting rod at the end away from mixing tank.
[0006] Preferably, the screen is inserted into the positioning slot one, and then the insertion rod extends through the insertion slot one to the inside of the insertion slot two, and the insertion slot one and the insertion slot two have the same hole diameter.
[0007] Through the above technical scheme, the screen is inserted into the positioning slot one, and then the insertion rod extends through the insertion slot one to the inside of the insertion slot two, and the insertion slot one and the insertion slot two have the same hole diameter.
[0008] Preferably, the stirring assembly comprises a bevel gear one, a sleeve, a shaft two, a bevel gear two, a mounting piece, a positioning slot two, a through hole three, a stirring blade, a through hole four, a bolt and a nut, the outer surface of the shaft one is fixedly provided with the bevel gear one and the sleeve, the inner surface of the sleeve is rotatably provided with the shaft two, the outer surface of the shaft two is fixedly provided with the bevel gear two, the end of the shaft two away from the bevel gear two is fixedly provided with the mounting piece, the outer surface of the mounting piece is provided with the positioning slot two and the through hole three, one side of the mounting piece away from the shaft two is provided with the stirring blade, the outer surface of the stirring blade is provided with the through hole four, the outer surface of the mounting piece is inserted with the bolt, the outer surface of the bolt is threadedly connected with the nut, the bevel gear one and the bevel gear two are meshed, and the bevel gear one and the bevel gear two are located in the sleeve.
[0009] Through the above technical scheme, the staff starts the motor, the output shaft of the motor rotates to drive the shaft one to rotate, the shaft one drives the stirring blade to rotate through the cooperation of the bevel gear one and the bevel gear two, and the stirring blade not only rotates around the shaft one, but also rotates by itself, thereby further improving the stirring efficiency and the practicability.
[0010] Preferably, the stirring blade is inserted into the positioning slot two, and the bolt extends through the through hole three and the through hole four, and the through hole three and the through hole four have the same hole diameter.
[0011] Through the above technical scheme, the staff inserts the stirring blade into the positioning slot two, and then inserts the bolt through the through hole three and the through hole four, and finally threadedly connects the nut with the bolt, so that the stirring blade can be quickly installed, and after long-term use, it is convenient to clean and replace the stirring blade.
[0012] Preferably, the scraping assembly includes a fixed sleeve, a connecting rod, a limiting block, a scraper, and a limiting groove. The fixed sleeve is fixedly installed on the outer surface of the rotating shaft, and the connecting rod is fixedly installed on the outer surface of the fixed sleeve. A limiting block is fixedly installed at the end of the connecting rod away from the fixed sleeve, and a scraper is provided at the end of the connecting rod away from the fixed sleeve. A limiting groove is formed on the side of the scraper near the connecting rod. The limiting block is adapted to the limiting groove, and the cross-section of the limiting block has an "L" shape.
[0013] With the above technical solution, the staff can quickly install the scraper by inserting the limiting block into the limiting groove. After long-term use, it is easy to clean and replace. When in use, the staff starts the motor. The output shaft of the motor rotates, which drives the rotating shaft to rotate. The rotating shaft drives the scraper to rotate, scraping off the concrete adhering to the inner wall of the mixing tank. This prevents the concrete from solidifying on the inner wall of the mixing tank, which is not only difficult to clean but also wastes resources. It is highly practical.
[0014] Preferably, there are multiple identical scrapers arranged in a ring.
[0015] The above technical solution, through the design of multiple scrapers, can more comprehensively scrape off the concrete adhering to the inner wall of the mixing tank, further improving the scraping efficiency.
[0016] Preferably, the guide block and the guide groove are installed by insertion, and the limiting rod passes through through hole one and through hole two, and the diameters of through hole one and through hole two are the same.
[0017] Using the above technical solution, the staff inserts the guide block into the guide groove and then passes the limiting rod through the first and second through holes, which can realize the quick installation of the discharge port. After long-term use, it is easy to clean and has high practicality.
[0018] Compared with the prior art, the present invention provides a concrete mixing device with the following advantages:
[0019] 1. This concrete mixing device, through the cooperation of the insert rod, slot one, slot two, and positioning slot one, can achieve quick installation of the screen, which is convenient for cleaning after long-term use. The screen design prevents large sand and gravel from entering the interior of the mixing tank, which could damage the mixing and scraping components and affect the normal use of the whole device. It is highly practical. Through the cooperation of the guide block, guide groove, limit rod, through hole one, and through hole two, the discharge port can be quickly installed, which is convenient for cleaning after long-term use. It is highly practical.
[0020] 2. This concrete mixing device, through the design of its mixing components, enables rapid mixing of concrete. The mixing blades not only rotate around the rotating shaft but also rotate on their own, further improving mixing efficiency and making it highly practical. The design of the scraping components facilitates the removal of concrete adhering to the inner wall of the mixing tank, preventing concrete from solidifying on the inner wall, which is not only difficult to clean but also wastes resources. It is highly practical. The design of multiple scrapers more comprehensively removes concrete adhering to the inner wall of the mixing tank, further improving scraping efficiency. Attached Figure Description
[0021] Figure 1 This is a schematic diagram of the three-dimensional structure of the present invention. Figure 1 ;
[0022] Figure 2 This is a schematic diagram of the three-dimensional structure of the present invention. Figure 2 ;
[0023] Figure 3 This is a schematic diagram of the discharge port installation structure of this utility model. Figure 1 ;
[0024] Figure 4 This is a schematic diagram of the discharge port installation structure of this utility model. Figure 2 ;
[0025] Figure 5 This is a schematic diagram of the installation structure of the stirring assembly and scraping assembly of this utility model;
[0026] Figure 6 This is a schematic diagram of the installation structure of the stirring assembly of this utility model;
[0027] Figure 7 This is a schematic diagram of the installation structure of the scraping component of this utility model;
[0028] Figure 8 This is a schematic diagram of the screen installation structure of this utility model.
[0029] The components include: 1. Mixing tank; 2. Top cover; 3. Feed hopper; 4. Slot 1; 5. Positioning slot 1; 6. Screen; 7. Slot 2; 8. Insert rod; 9. Motor; 10. Shaft 1; 11. Mixing assembly; 1101. Helical gear 1; 1102. Sleeve; 1103. Shaft 2; 1104. Helical gear 2; 1105. Mounting component; 1106. Positioning slot 2; 1107. Through hole 3; 1108. Stirring blade; 1109. Through hole four; 1110. Bolt; 1111. Nut; 12. Scraper assembly; 1201. Fixing sleeve; 1202. Connecting rod; 1203. Limiting block; 1204. Scraper; 1205. Limiting groove; 13. Connector; 14. Guide groove; 15. Through hole one; 16. Discharge port; 17. Guide block; 18. Through hole two; 19. Limiting rod. Detailed Implementation
[0030] 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.
[0031] Example 1: As Figures 1-8 As shown, the present invention provides a concrete mixing device, including a mixing tank 1 and a top cover 2. A feed hopper 3 is fixedly installed at the end of the top cover 2 away from the mixing tank 1. The outer surface of the feed hopper 3 has a slot 4 and a positioning groove 5. A screen 6 is provided on the side of the feed hopper 3 away from the top cover 2. A slot 7 is provided on the outer surface of the screen 6. A rod 8 is inserted and installed on the side of the screen 6 away from the feed hopper 3. A motor 9 is fixedly installed at the end of the top cover 2 away from the mixing tank 1. A rotating shaft 10 is fixedly installed at the output end of the motor 9. A stirring assembly 11 and a scraping assembly 12 are fixedly installed on the outer surface of shaft 10. A connector 13 is fixedly installed at the end of the mixing tank 1 away from the top cover 2. A guide groove 14 and a through hole 15 are provided at the end of the connector 13 away from the mixing tank 1. A discharge port 16 is provided at the end of the connector 13 away from the mixing tank 1. A guide block 17 is fixedly installed at the end of the discharge port 16 near the connector 13. A through hole 18 is provided at the end of the discharge port 16 near the connector 13. A limit rod 19 is inserted and installed at the end of the connector 13 away from the mixing tank 1.
[0032] Specifically, the screen 6 and the positioning slot 5 are installed by insertion. The insertion rod 8 extends through the slot 4 and into the slot 7. The slots 4 and 7 have the same diameter. The advantage is that the screen 6 can be quickly installed by inserting it into the positioning slot 5 and then extending the insertion rod 8 through the slot 4 into the slot 7. After prolonged use, it is easy to clean. The design of the screen 6 prevents larger sand and gravel from entering the mixing tank 1, which could damage the mixing assembly 11 and the scraping assembly 12, affecting the overall normal operation. Therefore, it is highly practical.
[0033] Specifically, the stirring assembly 11 includes a helical gear 1101, a sleeve 1102, a rotating shaft 1103, a helical gear 1104, a mounting component 1105, a positioning groove 1106, a through hole 1107, stirring blades 1108, a through hole 1109, bolts 1110, and nuts 1111. The outer surface of the rotating shaft 1101 is fixedly mounted with the helical gear 1101 and the sleeve 1102. The inner surface of the sleeve 1102 is rotatably mounted with the rotating shaft 1103. The outer surface of the rotating shaft 1103 is fixedly mounted with the helical gear 1104. The rotating shaft 1103 is located away from the helical gear 1104. One end is fixedly installed with a mounting part 1105. The outer surface of the mounting part 1105 is provided with a positioning groove 1106 and a through hole 1107. The side of the mounting part 1105 away from the rotating shaft 1103 is provided with a stirring blade 1108. The outer surface of the stirring blade 1108 is provided with a through hole 1109. A bolt 1110 is inserted and installed on the outer surface of the mounting part 1105. A nut 1111 is threaded on the outer surface of the bolt 1110. The first helical gear 1101 and the second helical gear 1104 are meshed. Both the first helical gear 1101 and the second helical gear 1104 are located inside the sleeve 1102. The advantage is that when the operator starts the motor 9, the output shaft of the motor 9 rotates, which drives the rotating shaft 10 to rotate. The rotating shaft 10 drives the mixing blade 1108 to rotate through the cooperation of the helical gear 1101 and the helical gear 1104, which can realize the rapid mixing of concrete. The mixing blade 1108 not only rotates around the rotating shaft 10, but also rotates itself, which further improves the mixing efficiency and has high practicality.
[0034] Specifically, the stirring blade 1108 is plugged into the positioning groove 1106. Bolt 1110 passes through through holes 1107 and 1109, which have the same diameter. The advantage is that workers can quickly install the stirring blade 1108 by inserting it into the positioning groove 1106, then pass the bolt 1110 through the through holes 1107 and 1109, and finally thread the nut 1111 onto the bolt 1110. This also facilitates cleaning and replacement after prolonged use.
[0035] Example 2: Figures 2-8 As shown, this is an improvement on the previous embodiment.
[0036] Specifically, the scraping assembly 12 includes a fixed sleeve 1201, a connecting rod 1202, a limiting block 1203, a scraper 1204, and a limiting groove 1205. The fixed sleeve 1201 is fixedly installed on the outer surface of the rotating shaft 10. The connecting rod 1202 is fixedly installed on the outer surface of the fixed sleeve 1201. The limiting block 1203 is fixedly installed at the end of the connecting rod 1202 away from the fixed sleeve 1201. The scraper 1204 is provided at the end of the connecting rod 1202 away from the fixed sleeve 1201. The limiting groove 1205 is opened on the side of the scraper 1204 near the connecting rod 1202. The limiting block 1203 is adapted to the limiting groove 1205. The cross-section of the limiting block 1203 is L-shaped. The advantages are that the operator can quickly install the scraper 1204 by inserting the limiting block 1203 into the limiting groove 1205. After long-term use, it is easy to clean and replace. When in use, the operator starts the motor 9. The output shaft of the motor 9 rotates, which drives the rotating shaft 10 to rotate. The rotating shaft 10 rotates, which drives the scraper 1204 to rotate, scraping off the concrete adhering to the inner wall of the mixing tank 1. This prevents the concrete from solidifying on the inner wall of the mixing tank 1, which is not only difficult to clean but also wastes resources. It is highly practical.
[0037] Specifically, multiple identical scrapers 1204 are provided, arranged in a ring. The advantage is that the design of multiple scrapers 1204 can more comprehensively scrape off the concrete adhering to the inner wall of the mixing tank 1, further improving the scraping efficiency.
[0038] Specifically, the guide block 17 and the guide groove 14 are installed by insertion. The limiting rod 19 passes through through hole one 15 and through hole two 18, and the diameters of through hole one 15 and through hole two 18 are the same. The advantage is that the operator can quickly install the discharge port 16 by inserting the guide block 17 into the guide groove 14 and then passing the limiting rod 19 through through hole one 15 and through hole two 18. After long-term use, it is easy to clean, making it highly practical.
[0039] Working principle: During installation, the operator inserts the screen 6 into the positioning slot 5, and then inserts the rod 8 through slot 4 to slot 7, enabling quick installation of the screen 6. This facilitates cleaning after prolonged use. The screen 6's design prevents large sand and gravel from entering the mixing tank 1, which could damage the mixing assembly 11 and scraper assembly 12, affecting overall operation. It is highly practical. The operator then inserts the mixing blade 1108 into the positioning slot 1106, and then inserts the bolt 1110 through the through hole 1107 and through hole 1109. Finally, the nut 1111 is threaded onto the bolt 1110, enabling quick installation of the mixing blade 1108. This facilitates cleaning and replacement after prolonged use. The operator then inserts the limiting block 1203 into the limiting slot 1205, enabling quick installation of the scraper 1204. This also facilitates cleaning and replacement after prolonged use. Finally, the operator inserts the guide block 17... Insert the guide groove 14 into the interior, and then pass the limiting rod 19 through the through hole 15 and the through hole 18 to achieve quick installation of the discharge port 16. After long-term use, it is easy to clean and has high practicality. When in use, the operator first connects the external power supply and then starts the motor 9. The output shaft of the motor 9 rotates and drives the rotating shaft 10 to rotate. The rotating shaft 10 drives the mixing blade 1108 to rotate through the cooperation of the helical gear 1101 and the helical gear 1104, which can realize the rapid mixing of concrete. The mixing blade 1108 not only rotates around the rotating shaft 10, but also rotates itself, further improving the mixing efficiency and having high practicality. At the same time, the rotation of the rotating shaft 10 drives the scraper 1204 to rotate, scraping off the concrete adhering to the inner wall of the mixing tank 1, avoiding the concrete from solidifying on the inner wall of the mixing tank 1, which is not only difficult to clean but also causes resource waste. It has high practicality. Through the design of multiple scrapers 1204, the concrete adhering to the inner wall of the mixing tank 1 is scraped off more comprehensively, further improving the scraping efficiency.
[0040] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A concrete mixing device, comprising a mixing tank (1) and a top cover (2), characterized in that: A feed hopper (3) is fixedly installed at the end of the top cover (2) away from the mixing tank (1). The outer surface of the feed hopper (3) is provided with a slot 1 (4) and a positioning slot 1 (5). A screen (6) is provided on the side of the feed hopper (3) away from the top cover (2). A slot 2 (7) is provided on the outer surface of the screen (6). A plug rod (8) is inserted and installed on the side of the screen (6) away from the feed hopper (3). A motor (9) is fixedly installed at the end of the top cover (2) away from the mixing tank (1). A rotating shaft 1 (10) is fixedly installed at the output end of the motor (9). A stirring rod is fixedly installed on the outer surface of the rotating shaft 1 (10). The assembly (11) and the scraping assembly (12) are provided with a connector (13) fixedly installed at one end of the mixing tank (1) away from the top cover (2). The connector (13) is provided with a guide groove (14) and a through hole (15) at one end away from the mixing tank (1). The connector (13) is provided with a discharge port (16) at one end away from the mixing tank (1). The discharge port (16) is provided with a guide block (17) fixedly installed at one end near the connector (13). The discharge port (16) is provided with a through hole (18) at one end near the connector (13). A limit rod (19) is inserted and installed at one end of the connector (13) away from the mixing tank (1).
2. The concrete mixing device according to claim 1, characterized in that: The screen (6) and the positioning slot 1 (5) are installed by insertion. The insertion rod (8) extends through the slot 1 (4) to the inside of the slot 2 (7). The slot 1 (4) and the slot 2 (7) have the same hole diameter.
3. The concrete mixing device according to claim 1, characterized in that: The stirring assembly (11) includes a helical gear one (1101), a sleeve (1102), a rotating shaft two (1103), a helical gear two (1104), a mounting part (1105), a positioning groove two (1106), a through hole three (1107), stirring blades (1108), a through hole four (1109), bolts (1110), and nuts (1111). The outer surface of the rotating shaft one (10) is fixedly mounted with the helical gear one (1101) and the sleeve (1102). The inner surface of the sleeve (1102) is rotatably mounted with the rotating shaft two (1103). The outer surface of the rotating shaft two (1103) is fixedly mounted with the helical gear two (1104). The rotating shaft two (1103) is located away from the helical gear two (1104). An installation component (1105) is fixedly installed at the end. The outer surface of the installation component (1105) is provided with a positioning groove (1106) and a through hole (1107). A stirring blade (1108) is provided on the side of the installation component (1105) away from the rotating shaft (1103). A through hole (1109) is provided on the outer surface of the stirring blade (1108). A bolt (1110) is inserted and installed on the outer surface of the installation component (1105). A nut (1111) is threaded on the outer surface of the bolt (1110). The first helical gear (1101) and the second helical gear (1104) are meshed. Both the first helical gear (1101) and the second helical gear (1104) are located inside the sleeve (1102).
4. A concrete mixing device according to claim 3, characterized in that: The stirring blade (1108) and the positioning groove (1106) are installed by plugging in. The bolt (1110) passes through the through hole (1107) and the through hole (1109). The through holes (1107) and the through hole (1109) have the same diameter.
5. A concrete mixing device according to claim 1, characterized in that: The scraping assembly (12) includes a fixed sleeve (1201), a connecting rod (1202), a limiting block (1203), a scraper (1204), and a limiting groove (1205). The fixed sleeve (1201) is fixedly installed on the outer surface of the rotating shaft (10). The connecting rod (1202) is fixedly installed on the outer surface of the fixed sleeve (1201). The limiting block (1203) is fixedly installed at the end of the connecting rod (1202) away from the fixed sleeve (1201). The scraper (1204) is provided at the end of the connecting rod (1202) away from the fixed sleeve (1201). The limiting groove (1205) is opened on the side of the scraper (1204) close to the connecting rod (1202). The limiting block (1203) is adapted to the limiting groove (1205). The cross-section of the limiting block (1203) is "L" shaped.
6. A concrete mixing device according to claim 5, characterized in that: The scraper (1204) is provided in multiple identical manner, and the multiple scraper (1204) are arranged in a ring.
7. A concrete mixing device according to claim 1, characterized in that: The guide block (17) and the guide groove (14) are installed by plugging in. The limiting rod (19) passes through the first through hole (15) and the second through hole (18). The diameters of the first through hole (15) and the second through hole (18) are the same.
Citation Information
Patent Citations
Concrete stirring device
CN221912603U