Uniform stirring device for building gravel materials

Abstract

The utility model relates to the related technical field of building construction, in particular to a building gravel material uniform stirring device which comprises a stirring box, a discharging port is formed in the bottom of the stirring box, a feeding port is formed in the top of the stirring box, and a rectangular plate is arranged at the center of the top of the feeding port. Under the cooperative action of the discharging port, the feeding port, the rectangular plate, the L-shaped supporting frame, the gear box, the valve and the crushing mechanism, a user can crush large-size gravel while adding the gravel into the stirring box through the feeding port, so that the size of the gravel is uniform, the situation that the gravel mixing effect is poor is avoided, and the service life of the gravel is prolonged. The problems that an existing building gravel material uniform stirring device does not have the function of crushing large-size gravel, so that part of the gravel cannot be fully mixed with concrete due to the large size, and the mixing effect is poor when the stirring device stirs and mixes the gravel material are solved.

Description

Technical Field

[0001] The utility model relates to the technical field related to building construction, in particular to a device for uniformly stirring building sand and gravel. Background Art

[0002] In construction projects, sand and gravel concrete is often used. Usually, a mixing box is used in conjunction with a driving device to mix the sand and gravel to obtain sand and gravel concrete.

[0003] The utility model patent with announcement number CN219346624U discloses a device for uniformly mixing construction sand and gravel, belonging to the technical field related to construction construction. It aims to solve the problem in the prior art that when mixing sand and gravel, the mixing surface is small, resulting in uneven mixing of the sand and gravel. The device comprises a main body assembly; a driving assembly arranged on the main body assembly; a mixing assembly connected to the driving assembly; an auxiliary assembly arranged on the mixing assembly; at least two springs, two of which are sleeved on both sides of the auxiliary assembly; a scraping assembly mounted on the mixing assembly by bolts; wherein the auxiliary assembly and the mixing assembly cooperate with each other. The utility model utilizes the auxiliary assembly and the scraping assembly to increase the contact area with the sand and gravel, thereby more effectively mixing the sand and gravel, and utilizing the scraping assembly to scrape the material on the inner wall of the tank for easier mixing.

[0004] However, the above patent still has shortcomings: although the patent can mix and stir sand and gravel, it does not have the function of crushing larger sand and gravel, resulting in some sand and gravel being unable to be fully mixed with concrete due to their large volume. When the mixing device mixes the sand and gravel, the mixing effect is relatively poor. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides a uniform mixing device for construction sand and gravel to solve the problem that the existing uniform mixing device for construction sand and gravel proposed in the above background technology does not have the function of crushing larger sand and gravel, resulting in some sand and gravel being unable to be fully mixed with concrete due to their large volume, and the mixing effect is relatively poor when the mixing device mixes the sand and gravel.

[0006] The technical solution of the utility model is:

[0007] A device for uniformly mixing construction sand and gravel, comprising: a mixing box; a discharge port is provided at the bottom of the mixing box, a feed port is provided at the top of the mixing box, a rectangular plate is provided at the top center of the feed port, both sides of the rectangular plate are fixedly connected to L-shaped support frames, the ends of the L-shaped support frames away from the rectangular plate are fixedly connected to the discharge port, a gear box is fixedly connected to the top of the rectangular plate, a valve is provided inside the discharge port; a mixing mechanism for fully mixing sand and gravel is provided on the top of the gear box; a crushing mechanism for crushing larger sand and gravel is provided inside the feed port.

[0008] Preferably, the mixing mechanism includes: a motor is fixedly connected to the top of the gear box, a stirring rod is fixedly connected to the output end of the motor, and the bottom end of the stirring rod passes through the gear box and the rectangular plate and extends to the interior of the mixing box; two first spiral belts are provided on the outside of the stirring rod located inside the mixing box, and both ends of the first spiral belts are fixedly connected to the first connecting rod, and the end of the first connecting rod away from the first spiral belt is fixedly connected to the stirring rod; the outer surface of the stirring rod close to the rectangular plate is provided with an auxiliary mechanism for improving the sand and gravel mixing effect.

[0009] Preferably, the auxiliary mechanism includes: a hollow tube is provided on the outer surface of the stirring rod located at the rectangular plate, the hollow tube is rotatably connected to the rectangular plate, the top outer surface of the hollow tube is fixedly connected to a first bevel gear, one side of the first bevel gear is meshed with a second bevel gear, the center of the second bevel gear is fixedly connected to a first rotating shaft, the first rotating shaft is rotatably connected to the gear box, a third bevel gear is provided on the top of the second bevel gear, and the third bevel gear is fixed to the outer surface of the stirring rod; two second spiral belts are provided on the outer side of the hollow tube located inside the mixing box, and both ends of the two second spiral belts are fixedly connected to a second connecting rod, and the end of the second connecting rod away from the second spiral belt is fixedly connected to the hollow tube, and the second spiral belt and the first spiral belt cooperate with each other.

[0010] Preferably, the crushing mechanism includes: two crushing rollers are arranged inside the feed port, and the centers of the two crushing rollers are fixedly connected to a second rotating shaft, and the two second rotating shafts are rotatably connected to the feed port, and one end of the second rotating shaft passes through the discharge port and extends to the gear, and the two gears are engaged with each other; the two crushing rollers are provided with matching arc grooves near the hollow tube, and the feed port is fixedly connected to a matching arc block near the arc groove; one end of the second rotating shaft away from the gear is rotatably connected to the first rotating shaft through a synchronization mechanism.

[0011] Preferably, the synchronization mechanism includes: one end of the second rotating shaft away from the gear passes through the feed port and extends to the first synchronization wheel, the first synchronization wheel is connected to the second synchronization wheel through a synchronization belt; the second synchronization wheel is fixed to the outer surface of the first rotating shaft.

[0012] Preferably, the L-shaped support frame is fixedly connected to a structural block near the first rotating shaft, and the first rotating shaft is rotatably connected to the structural block.

[0013] Preferably, a connecting ring is fixedly connected to the outer surface of the mixing box, the four corners of the bottom of the connecting ring are fixedly connected to support rods, the bottoms of the support rods are fixedly connected to support feet, and the bottoms of the support feet are fixedly connected to anti-slip pads.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] Firstly, the utility model can crush larger sand and gravel while the user adds sand and gravel into the mixing box through the inlet through the coordinated action of the discharge port, the inlet, the rectangular plate, the L-shaped support frame, the gear box, the valve and the crushing mechanism, so that the volume of the sand and gravel is more uniform, avoiding the poor mixing effect of the sand and gravel. The existing construction sand and gravel uniform mixing device does not have the function of crushing larger sand and gravel, resulting in some sand and gravel being unable to be fully mixed with concrete due to their large volume. When the mixing device mixes the sand and gravel, the mixing effect is relatively poor.

[0016] Secondly, the utility model cooperates with the discharge port, the feed port, the rectangular plate, the L-shaped support frame, the gear box, the valve and the mixing mechanism. Since the sand and gravel concrete has poor fluidity, the stirring device stirs the sand and gravel concrete through the screw ribbon. The screw ribbon is suitable for stirring high-density materials, can provide efficient mixing of sand and gravel concrete, and improves the mixing effect of sand and gravel concrete. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the three-dimensional structure of a device for uniformly mixing building sand and gravel according to the present invention;

[0018] Figure 2 This is a side sectional structural diagram of a construction sand and gravel uniform mixing device of the present invention;

[0019] Figure 3 For the utility model Figure 2 A in the middle is an enlarged structural diagram;

[0020] Figure 4 This is a schematic diagram of the structure of the hybrid mechanism of the present utility model;

[0021] Figure 5 This is a schematic diagram of the crushing mechanism structure of the utility model.

[0022] In the picture:

[0023] 1. Mixing box; 2. Discharge port; 3. Inlet port; 4. Rectangular plate; 5. L-shaped support frame; 6. Gear box; 7. Valve; 8. Mixing mechanism; 9. Crushing mechanism; 10. Motor; 11. Mixing rod; 12. First screw belt; 13. First connecting rod; 14. Auxiliary mechanism; 15. Hollow tube; 16. First bevel gear; 17. Second bevel gear; 18. First rotating shaft; 19. Third bevel gear; 20. Second screw belt; 21. Second connecting rod; 22. Second rotating shaft; 23. Gear; 24. Arc groove; 25. Arc block; 26. Synchronizing mechanism; 27. First synchronous wheel; 28. Synchronous belt; 29. ​​Second synchronous wheel; 30. Structural block; 31. Connecting ring; 32. Support rod; 33. Support foot; 34. Anti-slip pad; 35. Crushing roller. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] See also Figures 1 to 5 The present invention describes the above technical solution in detail through the following embodiments:

[0026] A device for uniformly mixing building sand and gravel comprises: a mixing box 1; a discharge port 2 is provided at the bottom of the mixing box 1, a feed port 3 is provided at the top of the mixing box 1, a rectangular plate 4 is provided at the top center of the feed port 3, both sides of the rectangular plate 4 are fixedly connected to an L-shaped support frame 5, and one end of the L-shaped support frame 5 away from the rectangular plate 4 is fixedly connected to the discharge port 2, a gear box 6 is fixedly connected to the top of the rectangular plate 4, and a valve 7 is provided inside the discharge port 2; a mixing mechanism 8 for fully mixing the sand and gravel is provided on the top of the gear box 6; a crushing mechanism 9 for crushing larger sand and gravel is provided inside the feed port 3, and the user starts the mixing mechanism 8, and the mixing The mixing mechanism 8 drives the crushing mechanism 9 while it is running. When the user adds sand and gravel to the inside of the mixing box 1 through the feeding port 3, the crushing mechanism 9 crushes the larger sand and gravel. The user can add sand and gravel to the inside of the mixing box 1 through the feeding port 3 while crushing the larger sand and gravel, so that the volume of the sand and gravel is relatively uniform, avoiding the poor mixing effect of the sand and gravel. The existing construction sand and gravel uniform mixing device does not have the function of crushing larger sand and gravel, resulting in some sand and gravel being unable to be fully mixed with concrete due to their large volume. When the mixing device mixes the sand and gravel, the mixing effect is relatively poor.

[0027] like Figure 4 As shown, the mixing mechanism 8 includes: a motor 10 is fixedly connected to the top of the gear box 6, and a stirring rod 11 is fixedly connected to the output end of the motor 10, and the bottom end of the stirring rod 11 passes through the gear box 6 and the rectangular plate 4 and extends to the interior of the mixing box 1; two first spiral belts 12 are provided on the outside of the stirring rod 11 located inside the mixing box 1, and both ends of the first spiral belt 12 are fixedly connected to a first connecting rod 13, and the end of the first connecting rod 13 away from the first spiral belt 12 is fixedly connected to the stirring rod 11; an auxiliary mechanism 14 for improving the sand and gravel mixing effect is provided on the outer surface of the stirring rod 11 near the rectangular plate 4, and the motor 10 is started, and the output end of the motor 10 drives the stirring rod 11, and the stirring rod 11 rotates while driving the first connecting rod 13, and the first connecting rod 13 drives the first spiral belt 12 to rotate.

[0028] like Figure 4As shown, the auxiliary mechanism 14 includes: a hollow tube 15 is provided on the outer surface of the stirring rod 11 located at the rectangular plate 4, the hollow tube 15 is rotatably connected to the rectangular plate 4, and the top outer surface of the hollow tube 15 is fixedly connected to a first bevel gear 16, and a second bevel gear 17 is meshed on one side of the first bevel gear 16. The center of the second bevel gear 17 is fixedly connected to a first rotating shaft 18, and the first rotating shaft 18 is rotatably connected to the gear box 6. A third bevel gear 19 is provided on the top of the second bevel gear 17, and the third bevel gear 19 is fixed to the outer surface of the stirring rod 11; two second spiral belts 20 are provided on the outside of the hollow tube 15 located inside the mixing box 1, and both ends of the two second spiral belts 20 are fixedly connected to a second connecting rod 21, and the end of the second connecting rod 21 away from the second spiral belt 20 is fixedly connected to the hollow tube 15 Then, the second screw belt 20 cooperates with the first screw belt 12, and the stirring rod 11 rotates while driving the third bevel gear 19, and the third bevel gear 19 drives the second bevel gear 17, and the second bevel gear 17 rotates inside the gear box 6 through the first rotating shaft 18. The second bevel gear 17 rotates while driving the first bevel gear 16, and the first bevel gear 16 rotates to drive the hollow tube 15, and the hollow tube 15 drives the second connecting rod 21, and the second connecting rod 21 drives the second screw belt 20. The second screw belt 20 rotates in the opposite direction to the first screw belt 12 to mix the sand and gravel inside the mixing box 1, so that the mixing device mixes the sand and gravel concrete through the screw belt, and the screw belt is suitable for mixing high-density materials, can provide efficient mixing of sand and gravel concrete, and improves the mixing effect of sand and gravel concrete.

[0029] like Figure 5As shown, the crushing mechanism 9 includes: two crushing rollers 35 are arranged inside the feed port 3, and the centers of the two crushing rollers 35 are fixedly connected to the second rotating shaft 22. The two second rotating shafts 22 are rotatably connected to the feed port 3, and one end of the second rotating shaft 22 passes through the discharge port 2 and extends to the gear 23. The two gears 23 are meshed with each other; the two crushing rollers 35 are provided with a matching arc groove 24 near the hollow tube 15, and the feed port 3 is fixedly connected to the matching arc block 25 near the arc groove 24; one end of the second rotating shaft 22 away from the gear 23 is rotatably connected to the first rotating shaft 18 through the synchronization mechanism 26, and one of the second rotating shafts 22 rotates while driving the gear The wheel 23 and the two second rotating shafts 22 rotate synchronously in opposite directions through the cooperation of the gear 23. The second rotating shafts 22 rotate while driving the crushing rollers 35 to rotate, thereby crushing the larger sand and gravel. The user can add sand and gravel into the mixing box 1 through the feed port 3 while crushing the larger sand and gravel, so that the volume of the sand and gravel is more uniform, avoiding the poor mixing effect of the sand and gravel. The existing construction sand and gravel uniform mixing device does not have the function of crushing larger sand and gravel, resulting in some sand and gravel being unable to be fully mixed with concrete due to their large volume. When the mixing device mixes the sand and gravel, the mixing effect is relatively poor.

[0030] like Figure 5 As shown, the synchronization mechanism 26 includes: one end of the second rotating shaft 22 away from the gear 23 passes through the feed port 3 and extends to the first synchronization wheel 27, and the first synchronization wheel 27 is connected to the second synchronization wheel 29 through a synchronization belt 28; the second synchronization wheel 29 is fixed to the outer surface of the first rotating shaft 18, and the first rotating shaft 18 rotates while driving the second synchronization wheel 29, and the second synchronization wheel 29 drives the first synchronization wheel 27 to rotate through the synchronization belt 28, and the first synchronization wheel 27 rotates while driving one of the second rotating shafts 22 to rotate.

[0031] like Figure 2 As shown, the L-shaped support frame 5 is fixedly connected to a structural block 30 near the first rotating shaft 18 , and the first rotating shaft 18 is rotatably connected to the structural block 30 , thereby improving the rotation stability of the first rotating shaft 18 .

[0032] like Figure 1 and Figure 2 As shown, the outer surface of the mixing box 1 is fixedly connected to a connecting ring 31, the four corners of the bottom of the connecting ring 31 are fixedly connected to support rods 32, the bottoms of the support rods 32 are fixedly connected to support feet 33, and the bottoms of the support feet 33 are fixedly connected to anti-slip pads 34, which increases the floor space of the bottom of the device and thereby improves the stability of the device.

[0033] Working principle: Start the motor 10, the output end of the motor 10 drives the stirring rod 11, the stirring rod 11 rotates while driving the third bevel gear 19, the third bevel gear 19 drives the second bevel gear 17, the second bevel gear 17 drives the first rotating shaft 18, the first rotating shaft 18 rotates while driving the second synchronous wheel 29, the second synchronous wheel 29 drives the first synchronous wheel 27 to rotate through the synchronous belt 28, the first synchronous wheel 27 rotates while driving one of the second rotating shafts 22 to rotate, one of the second rotating shafts 22 rotates while driving the gear 23, and the two second rotating shafts 22 are synchronized through the cooperation of the gear 23. The second rotating shaft 22 rotates in the opposite direction, and the crushing rollers 35 are driven to rotate at the same time as the second rotating shaft 22 rotates, thereby crushing the larger sand and gravel. The user can add sand and gravel into the mixing box 1 through the feeding port 3 while crushing the larger sand and gravel, so that the volume of the sand and gravel is relatively uniform, avoiding the problem of poor mixing effect of the sand and gravel. The existing construction sand and gravel uniform mixing device does not have the function of crushing larger sand and gravel, resulting in some sand and gravel being unable to be fully mixed with concrete due to their large volume. When the mixing device mixes the sand and gravel, the mixing effect is relatively poor.

[0034] When the stirring rod 11 rotates, it drives the third bevel gear 19 and the first connecting rod 13. The first connecting rod 13 drives the first spiral belt 12 to rotate. The third bevel gear 19 drives the second bevel gear 17. The second bevel gear 17 rotates inside the gear box 6 through the first rotating shaft 18. The second bevel gear 17 rotates while driving the first bevel gear 16. The first bevel gear 16 rotates and drives the hollow tube 15. The hollow tube 15 drives the second connecting rod 21. The second connecting rod 21 drives the second spiral belt 20. The second spiral belt 20 rotates in the opposite direction to the first spiral belt 12 to mix the sand and gravel inside the mixing box 1, so that the stirring device mixes the sand and gravel concrete through the spiral belt. The spiral belt is suitable for mixing high-density materials, can provide efficient mixing of sand and gravel concrete, and improves the mixing effect of sand and gravel concrete.

[0035] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the above embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A device for uniformly mixing building sand and gravel, comprising: Mixing box (1); The invention is characterized in that a discharge port (2) is provided at the bottom of the mixing box (1), a feed port (3) is provided at the top of the mixing box (1), a rectangular plate (4) is provided at the top center of the feed port (3), both sides of the rectangular plate (4) are fixedly connected with an L-shaped support frame (5), one end of the L-shaped support frame (5) away from the rectangular plate (4) is fixedly connected to the discharge port (2), the top of the rectangular plate (4) is fixedly connected with a gear box (6), and a valve (7) is provided inside the discharge port (2); A mixing mechanism (8) for fully stirring sand and gravel is provided on the top of the gear box (6); A crushing mechanism (9) for crushing larger sand and gravel is provided inside the feed port (3).

2. A construction sand and gravel uniform mixing device according to claim 1, characterized in that: The mixing mechanism (8) comprises: The top of the gear box (6) is fixedly connected to a motor (10), the output end of the motor (10) is fixedly connected to a stirring rod (11), and the bottom end of the stirring rod (11) passes through the gear box (6) and the rectangular plate (4) and extends into the interior of the stirring box (1); Two first spiral ribbons (12) are provided on the outer side of the stirring rod (11) located inside the stirring box (1), both ends of the first spiral ribbon (12) are fixedly connected to first connecting rods (13), and one end of the first connecting rod (13) away from the first spiral ribbon (12) is fixedly connected to the stirring rod (11); An auxiliary mechanism (14) for improving the sand and gravel stirring effect is provided on the outer surface of the stirring rod (11) near the rectangular plate (4).

3. A construction sand and gravel uniform mixing device according to claim 2, characterized in that: The auxiliary mechanism (14) comprises: The outer surface of the stirring rod (11) located at the rectangular plate (4) is sleeved with a hollow tube (15), the hollow tube (15) is rotatably connected to the rectangular plate (4), the top outer surface of the hollow tube (15) is fixedly connected to a first bevel gear (16), one side of the first bevel gear (16) is meshed with a second bevel gear (17), the center of the second bevel gear (17) is fixedly connected to a first rotating shaft (18), the first rotating shaft (18) is rotatably connected to the gear box (6), a third bevel gear (19) is provided on the top of the second bevel gear (17), and the third bevel gear (19) is fixed to the outer surface of the stirring rod (11); Two second spiral belts (20) are provided on the outer side of the hollow tube (15) located inside the mixing box (1), and both ends of the two second spiral belts (20) are fixedly connected to second connecting rods (21), and one end of the second connecting rod (21) away from the second spiral belt (20) is fixedly connected to the hollow tube (15), and the second spiral belt (20) and the first spiral belt (12) cooperate with each other.

4. A construction sand and gravel uniform mixing device as claimed in claim 3, characterized in that: The crushing mechanism (9) comprises: Two crushing rollers (35) are provided inside the feed port (3), and the centers of the two crushing rollers (35) are fixedly connected to a second rotating shaft (22), and the two second rotating shafts (22) are rotatably connected to the feed port (3), and one end of the second rotating shaft (22) passes through the discharge port (2) and extends to the gear (23), and the two gears (23) are meshed with each other; The two crushing rollers (35) are provided with matching arc grooves (24) near the hollow tube (15), and the feed port (3) is fixedly connected with matching arc blocks (25) near the arc grooves (24); One end of the second rotating shaft (22) away from the gear (23) is rotationally connected to the first rotating shaft (18) through a synchronization mechanism (26).

5. A construction sand and gravel uniform mixing device as claimed in claim 4, characterized in that: The synchronization mechanism (26) comprises: One end of the second rotating shaft (22) away from the gear (23) passes through the feed port (3) and extends to the first synchronous wheel (27), and the first synchronous wheel (27) is connected to the second synchronous wheel (29) via a synchronous belt (28); The second synchronous wheel (29) is fixed to the outer surface of the first rotating shaft (18).

6. A construction sand and gravel uniform mixing device as claimed in claim 3, characterized in that: The L-shaped support frame (5) is fixedly connected to a structural block (30) near the first rotating shaft (18), and the first rotating shaft (18) is rotatably connected to the structural block (30).

7. A construction sand and gravel uniform mixing device according to claim 1, characterized in that: The outer surface of the mixing box (1) is fixedly connected to a connecting ring (31), the four corners of the bottom of the connecting ring (31) are fixedly connected to support rods (32), the bottoms of the support rods (32) are fixedly connected to support feet (33), and the bottoms of the support feet (33) are fixedly connected to anti-slip pads (34).

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