Premixing equipment for building concrete

Abstract

The utility model discloses premixing equipment for building concrete, which belongs to the technical field of concrete mixing and comprises a mixing box, supporting legs are arranged at the corners of the lower end of the mixing box, a discharging pipe is arranged on the side edge of the mixing box, a valve is arranged on the side edge of the discharging pipe, and a mixing mechanism is arranged in the mixing box. A water filling mechanism is arranged on one side of the upper end of the mixing box, a first pipeline is arranged on the other side of the upper end of the mixing box, a feeding tank is arranged at the upper end of the first pipeline, a feeding hopper is arranged on one side of the upper end of the feeding tank, a first motor is arranged at the upper end of the feeding tank, and a rotating shaft is arranged at the output end of the first motor. According to the mechanism, water added into the water adding tank can be monitored through the liquid level sensor, and when the amount of the water exceeds a specified threshold value set by the controller, the controller controls the electromagnetic valve to be opened at the moment, so that a specified amount of water is added into the mixing box to be mixed with sand.

Description

Technical Field

[0001] The utility model belongs to the technical field, and specifically relates to a premixing device for building concrete. Background Art

[0002] The construction concrete mixing device achieves the pre-mixing work of construction concrete by mixing sand and water in a specific proportion.

[0003] Chinese patent application No. 202222021256.3 discloses a concrete mixing device for industrial construction, a mixing box, a rotating shaft, two fixed rods and a transmission mechanism, the rotating shaft is rotatably connected between the two sides of the bottom of the inner wall of the mixing box, the two fixed rods are fixedly connected between the two sides of the top of the inner wall of the mixing box, the outer sides of the fixed rods are slidably connected to two sliders, a filter box is fixedly connected between the two sliders, the transmission mechanism is arranged on the outer side of the mixing box, and the outer side of the rotating shaft is fixedly installed with stirring paddles at equal intervals, and the transmission mechanism is used to drive the filter box to move horizontally and drive the rotating shaft to rotate at the same time. The beneficial effect of the utility model is that when using the concrete mixing device, there is no need to use another device to screen the sand, and the sand can be added evenly, which greatly improves the work efficiency and is conducive to practical application.

[0004] Although the above-mentioned patent discloses that concrete mixing is achieved, the mixing device provided therein cannot control the amount of water added to the mixing box, resulting in the inability to quickly and effectively mix the concrete as required; the overall mixing efficiency of the mixing device provided therein for concrete is relatively low, and only one set of stirring structures is provided for stirring, and the overall stirring efficiency is relatively low. Utility Model Content

[0005] In order to solve the problems raised in the above background technology, the utility model provides a premixing device for building concrete, which has the characteristics of conveniently controlling the amount of water added to the mixing box and better mixing efficiency of sand and water.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a premixing device for building concrete, comprising a mixing box, a supporting leg is arranged at the corner of the lower end of the mixing box, a feeding pipe is arranged on the side of the mixing box, a valve is arranged on the side of the feeding pipe, a mixing mechanism is arranged inside the mixing box, a water filling mechanism is arranged on one side of the upper end of the mixing box, a pipeline 1 is arranged on the other side of the upper end of the mixing box, a feeding tank is arranged on the upper end of the pipeline 1, a feeding hopper is arranged on one side of the upper end of the feeding tank, a motor 1 is arranged on the upper end of the feeding tank, a rotating shaft is arranged at the output end of the motor 1, and a dredging rod is arranged on the surface of the rotating shaft.

[0007] Preferably, the mixing mechanism includes motor 2, a main stirring rod, a second stirring component, a main stirring shaft and a driving gear. Motor 2 is arranged at the center position of the lower end of the mixing box, the main stirring shaft is arranged at the output end of motor 2, the main stirring rod is arranged on the side of the main stirring shaft, the upper end of the main stirring shaft is arranged with a driving gear, and the second stirring component is arranged on the side of the driving gear.

[0008] Preferably, the second stirring assembly includes a secondary stirring rod, a secondary stirring shaft and a driven gear, the driven gear is meshedly mounted on the side of the driving gear, the secondary stirring shaft is arranged at the lower end of the driven gear, and the secondary stirring rod is arranged on the surface of the secondary stirring shaft.

[0009] Preferably, the lower end of the auxiliary stirring shaft is rotatably connected to the mixing box via a bearing.

[0010] Preferably, the water filling mechanism includes a controller, a second pipe, a solenoid valve, a support frame, a liquid level sensor, a water adding bucket and a water adding tank. A second pipe is provided on one side of the upper end of the mixing box, a solenoid valve is provided on the side of the second pipe, a water adding tank is provided on the upper end of the second pipe, a water adding bucket is provided on the upper end of the water adding tank, a controller is provided on the side of the water adding tank, a support frame is provided inside the water adding tank, and a liquid level sensor is provided on the upper end of the support frame.

[0011] Preferably, the liquid level sensor and the controller are electrically connected via a wire, and both the liquid level sensor and the controller are powered by a preset battery.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model is provided with a mixing mechanism, which can drive the main stirring rod to rotate through the motor, and at the same time drive the auxiliary stirring rod to rotate with the gear transmission, thereby improving the mixing effect of sand and water.

[0014] 2. The utility model is provided with a water filling mechanism, which can monitor the water added to the water adding tank through a liquid level sensor. When the amount of water exceeds a specified threshold value set by a controller, the controller controls the solenoid valve to open, thereby adding a specified amount of water into the mixing box to mix with the sand. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of the utility model;

[0016] Figure 2 It is a cutaway view of the sand filling device of the utility model;

[0017] Figure 3 It is a cutaway view of the mixing mechanism of the utility model;

[0018] Figure 4It is a cutaway view of the water filling mechanism of the utility model;

[0019] In the figure: 1. mixing box; 2. supporting legs; 3. feeding pipe; 4. valve; 5. mixing mechanism; 51. motor 2; 52. main stirring rod; 53. second stirring assembly; 531. auxiliary stirring rod; 532. auxiliary stirring shaft; 533. driven gear; 54. main stirring shaft; 55. driving gear; 6. pipeline 1; 7. feeding tank; 8. motor 1; 9. water filling mechanism; 91. controller; 92. pipeline 2; 93. solenoid valve; 94. supporting frame; 95. liquid level sensor; 96. water adding bucket; 97. water adding tank; 10. feeding hopper; 11. unblocking rod; 12. rotating shaft. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] Example 1

[0022] See also Figure 1-4 The utility model provides the following technical solutions: a premixing device for building concrete, comprising a mixing box 1, a supporting leg 2 is arranged at the lower end corner of the mixing box 1, a feeding pipe 3 is arranged on the side of the mixing box 1, a valve 4 is arranged on the side of the feeding pipe 3, a mixing mechanism 5 is arranged inside the mixing box 1, a water filling mechanism 9 is arranged on one side of the upper end of the mixing box 1, a pipe 6 is arranged on the other side of the upper end of the mixing box 1, a feeding tank 7 is arranged on the upper end of the pipe 6, a feeding hopper 10 is arranged on one side of the upper end of the feeding tank 7, a motor 8 is arranged on the upper end of the feeding tank 7, a rotating shaft 12 is arranged at the output end of the motor 8, and a dredging rod 11 is arranged on the surface of the rotating shaft 12.

[0023] Specifically, the mixing mechanism 5 includes a second motor 51, a main stirring rod 52, a second stirring component 53, a main stirring shaft 54 ​​and a driving gear 55. The second motor 51 is arranged at the center of the lower end of the mixing box 1, the output end of the second motor 51 is arranged with the main stirring shaft 54, the side of the main stirring shaft 54 ​​is arranged with the main stirring rod 52, the upper end of the main stirring shaft 54 ​​is arranged with a driving gear 55, and the side of the driving gear 55 is arranged with the second stirring component 53.

[0024] By adopting the above technical solution, sand is poured into the interior of the feeding tank 7 through the feed hopper 10, and the motor 1 8 is turned on. The motor 1 8 drives the rotating shaft 12 to rotate through the output end, and the rotation of the rotating shaft 12 drives the dredging rod 11 to rotate, thereby preventing sand from being blocked in the feeding tank 7. After the sand is added to the interior of the mixing box 1, water is added to the mixing box 1 through the water filling mechanism 9, and the motor 2 51 is turned on. The motor 2 51 drives the main stirring shaft 54 ​​to rotate through the output end, and the rotation of the main stirring shaft 54 ​​drives the main stirring rod 52 to rotate, thereby mixing the sand and water.

[0025] Specifically, the second stirring assembly 53 includes a secondary stirring rod 531, a secondary stirring shaft 532 and a driven gear 533. The driven gear 533 is meshed and installed on the side of the driving gear 55. The lower end of the driven gear 533 is provided with a secondary stirring shaft 532. The surface of the secondary stirring shaft 532 is provided with a secondary stirring rod 531.

[0026] By adopting the above technical solution, the main stirring shaft 54 ​​rotates and drives the driving gear 55 to rotate at the same time, the driving gear 55 rotates and drives the driven gear 533 to rotate, the driven gear 533 rotates and drives the auxiliary stirring shaft 532 to rotate, the auxiliary stirring shaft 532 rotates and drives the auxiliary stirring rod 531 to rotate, thereby improving the mixing effect of sand and water.

[0027] Specifically, the lower end of the auxiliary stirring shaft 532 is rotatably connected to the connection point of the mixing box 1 through a bearing.

[0028] By adopting the above technical solution, the arrangement of the structure can avoid the problem of gear meshing misalignment between the driving gear 55 and the driven gear 533.

[0029] When the present embodiment is in use, sand is poured into the interior of the feeding tank 7 through the feed hopper 10, and the motor 1 8 is turned on. The motor 1 8 drives the rotating shaft 12 to rotate through the output end, and the rotation of the rotating shaft 12 drives the dredging rod 11 to rotate, thereby preventing the sand from being blocked in the feeding tank 7. After the sand is added to the interior of the mixing box 1, water is added to the mixing box 1 through the water filling mechanism 9, and the motor 2 51 is turned on. The motor 2 51 drives the main stirring shaft 54 ​​to rotate through the output end, and the rotation of the main stirring shaft 54 ​​drives the main stirring rod 52 to rotate, thereby mixing the sand and water, and the rotation of the main stirring shaft 54 ​​drives the driving gear 55 to rotate at the same time, and the rotation of the driving gear 55 drives the driven gear 533 to rotate, and the rotation of the driven gear 533 drives the auxiliary stirring shaft 532 to rotate, and the rotation of the auxiliary stirring shaft 532 drives the auxiliary stirring rod 531 to rotate, thereby improving the mixing effect of the sand and water.

[0030] Example 2

[0031] The present embodiment is different from the embodiment 1 in that the water filling mechanism 9 includes a controller 91, a pipe 92, a solenoid valve 93, a support frame 94, a liquid level sensor 95, a water adding bucket 96 and a water adding tank 97. A pipe 92 is provided on one side of the upper end of the mixing box 1, a solenoid valve 93 is provided on the side of the pipe 92, a water adding tank 97 is provided on the upper end of the pipe 92, a water adding bucket 96 is provided on the upper end of the water adding tank 97, a controller 91 is provided on the side of the water adding tank 97, a support frame 94 is provided inside the water adding tank 97, and a liquid level sensor 95 is provided on the upper end of the support frame 94.

[0032] By adopting the above technical solution, water is first poured into the water adding tank 97 through the water adding hopper 96, and then the specified threshold of the liquid level sensor 95 is set through the controller 91. When the water exceeds the threshold of the liquid level sensor 95, the liquid level sensor 95 transmits a signal to the controller 91, and the controller 91 issues an instruction to control the solenoid valve 93 to open, thereby adding water to the interior of the mixing box 1.

[0033] Specifically, the liquid level sensor 95 is electrically connected to the controller 91 through a wire, and the liquid level sensor 95 and the controller 91 are both powered by a preset battery.

[0034] By adopting the above technical solution, the arrangement of the structure can ensure the normal use of the water filling mechanism 9.

[0035] When this embodiment is in use, water is poured into the water adding tank 97 through the water adding hopper 96, and then the specified threshold of the liquid level sensor 95 is set through the controller 91. When the water exceeds the threshold of the liquid level sensor 95, the liquid level sensor 95 transmits a signal to the controller 91, and the controller 91 issues an instruction to control the solenoid valve 93 to open, thereby adding water to the interior of the mixing box 1.

[0036] The controller 91 in the present invention is an existing disclosed technology, and the selected model is Siemens s7-300.

[0037] The liquid level sensor 95 in the present invention is an existing disclosed technology, and the selected model is Honeywell L8000T.

[0038] Working principle and use process of the utility model: When the utility model is in use, sand is poured into the interior of the feeding tank 7 through the feed hopper 10, and the motor 1 8 is turned on. The motor 1 8 drives the rotating shaft 12 to rotate through the output end, and the rotation of the rotating shaft 12 drives the dredging rod 11 to rotate, thereby preventing the sand from being blocked in the feeding tank 7. After the sand is added to the interior of the mixing box 1, water is added to the mixing box 1 through the water filling mechanism 9, and the motor 2 51 is turned on. The motor 2 51 drives the main stirring shaft 54 ​​to rotate through the output end, and the rotation of the main stirring shaft 54 ​​drives the main stirring rod 52 to rotate, thereby mixing the sand and water, and the main stirring shaft 54 ​​rotates. The driving gear 55 is driven to rotate at the same time, and the driving gear 55 drives the driven gear 533 to rotate, and the driven gear 533 drives the auxiliary stirring shaft 532 to rotate, and the auxiliary stirring shaft 532 drives the auxiliary stirring rod 531 to rotate, thereby improving the mixing effect of sand and water; water is poured into the water adding tank 97 through the water adding bucket 96, and then the specified threshold of the liquid level sensor 95 is set by the controller 91. When the water exceeds the threshold of the liquid level sensor 95, the liquid level sensor 95 transmits a signal to the controller 91, and the controller 91 issues a command to control the solenoid valve 93 to open, thereby adding water to the inside of the mixing box 1.

[0039] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A premixing device for building concrete, comprising a mixing box, characterized in that: A supporting leg is provided at the lower corner of the mixing box, a feeding pipe is provided on the side of the mixing box, a valve is provided on the side of the feeding pipe, a mixing mechanism is provided inside the mixing box, a water filling mechanism is provided on one side of the upper end of the mixing box, a pipeline 1 is provided on the other side of the upper end of the mixing box, a feeding tank is provided at the upper end of the pipeline 1, a feeding hopper is provided on one side of the upper end of the feeding tank, a motor 1 is provided at the upper end of the feeding tank, a rotating shaft is provided at the output end of the motor 1, and a dredging rod is provided on the surface of the rotating shaft.

2. A premixing device for building concrete according to claim 1, characterized in that: The mixing mechanism includes a second motor, a main stirring rod, a second stirring component, a main stirring shaft and a driving gear. The second motor is arranged at the center position of the lower end of the mixing box, the main stirring shaft is arranged at the output end of the second motor, the main stirring rod is arranged on the side of the main stirring shaft, the upper end of the main stirring shaft is arranged with a driving gear, and the second stirring component is arranged on the side of the driving gear.

3. A premixing device for building concrete according to claim 2, characterized in that: The second stirring assembly includes an auxiliary stirring rod, an auxiliary stirring shaft and a driven gear. The driven gear is meshed and installed on the side of the driving gear. The lower end of the driven gear is provided with an auxiliary stirring shaft, and the surface of the auxiliary stirring shaft is provided with an auxiliary stirring rod.

4. A premixing device for building concrete according to claim 3, characterized in that: The lower end of the auxiliary stirring shaft is rotatably connected to the connection point of the mixing box through a bearing.

5. A premixing device for building concrete according to claim 1, characterized in that: The water filling mechanism includes a controller, a second pipe, a solenoid valve, a support frame, a liquid level sensor, a water adding bucket and a water adding tank. A second pipe is arranged on one side of the upper end of the mixing box, a solenoid valve is arranged on the side of the second pipe, a water adding tank is arranged on the upper end of the second pipe, a water adding bucket is arranged on the upper end of the water adding tank, a controller is arranged on the side of the water adding tank, a support frame is arranged inside the water adding tank, and a liquid level sensor is arranged on the upper end of the support frame.

6. A premixing device for building concrete according to claim 5, characterized in that: The liquid level sensor and the controller are electrically connected via a wire, and both the liquid level sensor and the controller are powered by a preset battery.

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