Dry mixing device for preparing mine filling cementing material

Abstract

The utility model belongs to the technical field of mine filling, and particularly relates to a dry mixing device for preparing a mine filling cementing material. The dry mixing device for preparing the mine filling cementing material comprises a supporting seat, a main body is fixedly installed on the supporting seat, a plurality of batching mechanisms are arranged on the two sides of the main body, and each batching mechanism comprises a weighing sensor, a plurality of supporting rods, a material storage tank, a first motor, a stirring propeller, a sleeve, a material guide pipe and an electric control valve. The weighing sensor is fixedly installed on the top of the supporting seat, the multiple supporting rods are fixedly installed on the weighing sensor, and the storage tank is fixedly installed at the top ends of the multiple supporting rods. The dry mixing device for preparing the mine filling cementing material has the advantages that the proportioning mechanism is arranged, the quantity of proportioned raw materials is accurately controlled, it is ensured that the raw materials achieve the best effect after being mixed, the material guiding mechanism is arranged, the raw materials are driven to advance through the packing auger, the raw material input efficiency is ensured, the stirring propeller is arranged, and bridging reaction is avoided in the discharging process.

Description

Technical Field

[0001] The utility model belongs to the technical field of mine filling, and particularly relates to a dry mixing device for preparing a mine filling binder. Background Art

[0002] Mine filling binder is a material used in mine filling operations. It is mainly used to support mine tunnels and cavities, prevent rock collapse, and improve the safety and production efficiency of mines. Filling binders are usually composed of the following main components. Common binders include cement, lime, fly ash, slag, etc. Cement is the most commonly used binder because it can provide good strength and durability. The proportion and composition of mine filling binders will be adjusted according to specific mine conditions, filling requirements and environmental factors. The correct proportion and construction process are crucial to ensure the quality and performance of the filling body.

[0003] After searching, among the related technologies, the patent document with the authorization publication number CN212927935U discloses a dry mixing device for preparing mine filling binder, including a vertical main material bin, a main material transverse conveyor belt, a main material elevator, a main material feed hopper, a mixing mixer, a discharge hopper, an auxiliary material feed hopper, an auxiliary material elevator, an auxiliary material transverse conveyor belt and a vertical auxiliary material bin. The auxiliary material feed hopper and the main material feed hopper are respectively connected to the top of the mixing mixer with an auxiliary material inlet and a main material inlet. Below the discharge hopper is a loading and parking station for the mine filling binder vehicle; the main material elevator and the auxiliary material elevator are arranged on both sides of the loading and parking station for the mine filling binder vehicle. The dry mixing device of this patent is mainly used to mix dry powder materials, and the mixing uniformity can reach more than 99%; due to the above-mentioned layout structure, it not only facilitates the direct loading of the mine filling binder vehicle, but also the entire equipment layout structure is compact and occupies less space, so that the space of the workplace is effectively utilized.

[0004] Regarding the above-mentioned related technologies, the utility model inventor believes that the following defects exist: it is impossible to accurately control the ratio of raw material input, and the device is too complex and large, occupying too much space.

[0005] Therefore, it is necessary to provide a new dry mixing device for preparing mine filling binder to solve the above technical problems. Utility Model Content

[0006] The technical problem solved by the utility model is to provide a dry mixing device for preparing mine filling binder, which can accurately control the quantity of raw materials in the proportion by setting a batching mechanism to ensure the best effect after the raw materials are mixed, set a material guiding mechanism to drive the raw materials forward by an auger to ensure the raw material input efficiency, and set a flip propeller to avoid bridging reaction when feeding.

[0007] In order to solve the above technical problems, the utility model provides a dry mixing device for preparing a mine filling binder, which adopts the following technical solutions:

[0008] A dry mixing device for preparing a mine filling binder comprises a support seat, a main body is fixedly mounted on the support seat, a plurality of batching mechanisms are arranged on both sides of the main body, the batching mechanism comprises a weighing sensor, a plurality of support rods, a storage tank, a motor 1, a flip propeller, a sleeve, a material guide pipe and an electric control valve, the weighing sensor is fixedly mounted on the top of the support seat, the plurality of support rods are fixedly mounted on the weighing sensor, the storage tank is fixedly mounted on the top of the plurality of support rods, the motor 1 is fixedly mounted on the top inner wall of the storage tank, the flip propeller is fixedly mounted on the output shaft of the motor 1, the flip propeller is adapted to the storage tank, a through hole 1 is provided at the bottom of the storage tank, a plurality of through holes 2 are respectively provided on the outer walls of both sides of the main body, the sleeve is fixedly mounted in the corresponding through hole 2, a through hole 3 is provided on the top of the sleeve, one end of the material guide pipe extends through the through hole into the sleeve and is in sliding contact with the sleeve, the other end of the material guide pipe passes through the through hole 1 and is connected to the storage tank, and the electric control valve is arranged on the material guide pipe.

[0009] As a further scheme of the utility model, a material guiding mechanism is provided in the main body, and the material guiding mechanism includes a second motor, a rotating rod, two bevel gears, a plurality of augers and a plurality of bevel gears. The second motor is fixedly mounted on an outer wall of one side of the main body, the first rotating rod is rotatably mounted in the main body, one end of the first rotating rod extends to the outside of the main body and is fixedly connected to the output shaft of the second motor, the two bevel gears are fixedly sleeved on the first rotating rod, the plurality of augers are respectively rotatably mounted in the corresponding sleeves, the other ends of the plurality of augers extend into the main body through the second through hole, the plurality of bevel gears are respectively fixedly sleeved on one end of the plurality of augers, and the plurality of bevel gears are respectively meshed with the corresponding bevel gears.

[0010] As a further solution of the utility model, two double-screw rollers are rotatably installed in the main body, and two rotating rods 2 are fixedly and rotatably installed on the outer wall of one side of the main body. One end of the two rotating rods 2 extends into the main body and is fixedly connected to the corresponding double-screw rollers. Two pulleys are fixedly sleeved on the two rotating rods 2 respectively, and transmission belts are sleeved on the two pulleys. A motor 3 is fixedly installed on the support seat, and the output shaft of the motor 3 is fixedly connected to the corresponding rotating rod 2.

[0011] As a further solution of the utility model, an installation groove is opened on the inner wall of one side of the main body, and a plurality of rotating rods three are fixedly installed in the installation groove. The other ends of the plurality of rotating rods three are rotatably connected to the inner wall of the other side of the main body, and a partition is fixedly sleeved on the plurality of rotating rods three. A gear is fixedly sleeved on one end of the plurality of rotating rods three. An electric telescopic rod is fixedly installed in the installation groove, and a toothed plate is fixedly installed on the output shaft of the electric telescopic rod, and the toothed plate is meshed with a plurality of gears.

[0012] As a further solution of the utility model, a material guide trough is provided at the bottom of the main body, a motor four is fixedly installed in the material guide trough, an auger two is fixedly installed on the output shaft of the motor four, and the auger two is adapted to the material guide trough.

[0013] As a further solution of the utility model, a plurality of storage tanks are provided with feed ports on top.

[0014] Compared with the related art, the dry mixing device for preparing mine filling binder provided by the utility model has the following beneficial effects:

[0015] 1. The utility model sets a batching mechanism to accurately control the amount of raw materials in the batching ratio to ensure that the best effect is achieved after the raw materials are mixed;

[0016] 2. The utility model provides a material guide mechanism to drive the raw materials forward through the auger to ensure the raw material input efficiency;

[0017] 3. The utility model avoids bridging reaction during material feeding by arranging a flip propeller. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The drawings constituting part of the present application are used to provide a further understanding of the present application. The exemplary embodiments and descriptions of the present application are used to explain the present application and do not constitute an improper limitation on the present application. Among them:

[0019] Figure 1 It is a three-dimensional structural schematic diagram of a dry mixing device for preparing a mine filling binder according to the utility model;

[0020] Figure 2 This is a schematic diagram of the structure of the batching mechanism of the dry mixing device for preparing the mine filling binder of the utility model;

[0021] Figure 3 It is a schematic diagram of the structure of the mixing mechanism of the dry mixing device for preparing the mine filling binder of the utility model;

[0022] Figure 4 This is a schematic diagram of the external structure of the mixing mechanism of the dry mixing device for preparing the mine filling binder of the utility model;

[0023] Figure 5It is a partial structural enlarged schematic diagram of a dry mixing device for preparing a mine filling binder according to the utility model;

[0024] Figure 6 It is an enlarged schematic diagram of part of the transmission structure of the dry mixing device for preparing mine filling binder according to the utility model.

[0025] In the figure: 1. support seat; 2. main body; 3. weighing sensor; 4. support rod; 5. storage tank; 6. motor one; 7. flip propeller; 8. sleeve; 9. guide pipe; 10. electric control valve; 11. motor two; 12. rotating rod one; 13. bevel gear one; 14. auger one; 15. bevel gear two; 16. double-screw roller; 17. rotating rod two; 18. pulley; 19. transmission belt; 20. motor three; 21. rotating rod three; 22. partition; 23. gear; 24. electric telescopic rod; 25. tooth plate; 26. motor four; 27. auger two. DETAILED DESCRIPTION

[0026] The present application will be described in detail below with reference to the accompanying drawings and in conjunction with embodiments. Each example is provided by way of explanation of the present application and does not limit the present application. In fact, it will be clear to those skilled in the art that modifications and variations may be made in the present application without departing from the scope or spirit of the present application. All other embodiments obtained by those of ordinary skill in the art based on the embodiments in the present utility model embodiments shall fall within the scope of protection of the present utility model embodiments.

[0027] Example

[0028] A dry mixing device for preparing mine filling binder, please refer to Figures 1 to 6 , including a support base 1, a main body 2 is fixedly mounted on the support base 1, multiple batching mechanisms are arranged on both sides of the main body 2, the batching mechanism includes a weighing sensor 3, multiple support rods 4, a storage tank 5, a motor 6, a flip propeller 7, a sleeve 8, a material guide pipe 9 and an electric control valve 10, the weighing sensor 3 is fixedly mounted on the top of the support base 1, the multiple support rods 4 are fixedly mounted on the weighing sensor 3, the storage tank 5 is fixedly mounted on the top of the multiple support rods 4, and the motor 6 is fixedly mounted on the top of the storage tank 5 On the wall, the flip propeller 7 is fixedly mounted on the output shaft of the motor 6, the flip propeller 7 is adapted to the storage tank 5, the bottom of the storage tank 5 is provided with a through hole 1, and the outer walls on both sides of the main body 2 are respectively provided with a plurality of through holes 2, the sleeve 8 is fixedly mounted in the corresponding through hole 2, and the top of the sleeve 8 is provided with a through hole 3, one end of the guide pipe 9 extends through the through hole 3 to the sleeve 8 and is in sliding contact with the sleeve 8, the other end of the guide pipe 9 passes through the through hole 1 and is connected with the storage tank 5, and the electric control valve 10 is arranged on the guide pipe 9.

[0029] Through the cooperation between the weighing sensor 3 and the electric control valve 10, the quantity of the raw materials in the proportion is accurately controlled to ensure that the best effect is achieved after the raw materials are mixed.

[0030] A material guiding mechanism is provided in the main body 2, and the material guiding mechanism includes a motor 2 11, a rotating rod 12, two bevel gears 13, a plurality of augers 14 and a plurality of bevel gears 2 15. The motor 2 11 is fixedly mounted on an outer wall of one side of the main body 2, the rotating rod 12 is rotatably mounted in the main body 2, one end of the rotating rod 12 extends to the outside of the main body 2 and is fixedly connected to the output shaft of the motor 2 11, the two bevel gears 13 are fixedly sleeved on the rotating rod 12, the plurality of augers 14 are respectively rotatably mounted in the corresponding sleeves 8, the other ends of the plurality of augers 14 extend into the main body 2 through the through hole 2, the plurality of bevel gears 2 15 are respectively fixedly sleeved on one end of the plurality of augers 14, and the plurality of bevel gears 2 15 are respectively meshed with the corresponding bevel gears 13.

[0031] Through the cooperation between the bevel gear 13 and the bevel gear 2 15, the raw material is driven forward by the auger 14 to ensure the raw material input efficiency.

[0032] Two double-screw belt rollers 16 are rotatably installed in the main body 2, and two rotating rods 17 are fixedly rotatably installed on the outer wall of one side of the main body 2. One end of the two rotating rods 17 extends into the main body 2 and is fixedly connected to the corresponding double-screw belt rollers 16. Two pulleys 18 are fixedly sleeved on the two rotating rods 17, and a transmission belt 19 is sleeved on the two pulleys 18. A motor 3 20 is fixedly installed on the support seat 1, and the output shaft of the motor 3 20 is fixedly connected to the corresponding rotating rod 2 17;

[0033] A mounting groove is provided on the inner wall of one side of the main body 2, and a plurality of rotating rods 3 21 are fixedly installed in the mounting groove, and the other ends of the plurality of rotating rods 3 21 are rotatably connected to the inner wall of the other side of the main body 2, and a partition plate 22 is fixedly sleeved on the plurality of rotating rods 3 21, and a gear 23 is fixedly sleeved on one end of the plurality of rotating rods 3 21, and an electric telescopic rod 24 is fixedly installed in the mounting groove, and a toothed plate 25 is fixedly installed on the output shaft of the electric telescopic rod 24, and the toothed plate 25 is meshed with the plurality of gears 23;

[0034] The gear 23 and the tooth plate 25 cooperate with each other to ensure that the mixing time is long enough to ensure the mixing effect.

[0035] A material guide trough is provided at the bottom of the main body 2, a motor 26 is fixedly installed in the material guide trough, an auger 27 is fixedly installed on the output shaft of the motor 26, and the auger 27 is adapted to the material guide trough;

[0036] A feed inlet is provided on the top of each of the plurality of storage tanks 5 .

[0037] The working principle of the dry mixing device for preparing mine filling binder provided by the utility model is as follows:

[0038] The first step: firstly, the raw materials are stored in the storage tank 5, and then the electric control valve 10 is opened. With the cooperation of the motor 1 6 and the flip propeller 7, the raw materials are stirred through the guide tube 9 into the sleeve 8. At the same time, the motor 2 11 is started, and through the cooperation of the bevel gear 1 13 and the bevel gear 2 15, multiple augers 1 14 are driven to rotate at the same time, and the raw materials in the multiple sleeves 8 are brought into the main body 2. The reduction amount of the raw materials in the multiple storage tanks 5 is monitored by multiple weighing sensors 3 respectively. When it is detected that the storage tank 5 has output a sufficient amount of raw materials, the corresponding weighing sensor 3 sends a signal to The corresponding electric control valve 10 is closed, and the raw materials are stopped from being transported into the main body 2. When the raw materials are input in sufficient quantity, the motor 2 11 is closed, and the motor 3 20 is started. Through the cooperation of the pulley 18 and the transmission belt 19, the two double-screw rollers 16 are driven to rotate simultaneously to mix the raw materials in the main body 2. After the mixing is completed, the electric telescopic rod 24 is retracted, and under the cooperation of the gear 23 and the tooth plate 25, the multiple partitions 22 are driven to open, so that the mixed raw materials fall into the material guide trough. Under the cooperation of the motor 4 26 and the auger 2 27, the mixed raw materials are transported outside the device for use;

[0039] Step 2: After all the mixed raw materials are discharged, the electric telescopic rod 24 is pushed out, driving the plurality of partitions 22 to close, and the next round of mixing is carried out.

[0040] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0041] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0042] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0043] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0044] The above description is only a preferred embodiment of the present application and is not intended to limit the present application. For those skilled in the art, the present application may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A dry mixing device for preparing a mine filling binder, characterized in that: It includes a support seat, on which a main body is fixedly mounted, and a plurality of batching mechanisms are arranged on both sides of the main body, and the batching mechanism includes a weighing sensor, a plurality of support rods, a storage tank, a motor 1, a flip propeller, a sleeve, a material guide pipe and an electric control valve, the weighing sensor is fixedly mounted on the top of the support seat, and the plurality of support rods are fixedly mounted on the weighing sensor, the storage tank is fixedly mounted on the top of the plurality of support rods, the motor 1 is fixedly mounted on the top inner wall of the storage tank, the flip propeller is fixedly mounted on the output shaft of the motor 1, the flip propeller is adapted to the storage tank, a through hole 1 is provided at the bottom of the storage tank, a plurality of through holes 2 are respectively provided on the outer walls of both sides of the main body, the sleeve is fixedly mounted in the corresponding through hole 2, a through hole 3 is provided on the top of the sleeve, one end of the material guide pipe extends through the through hole into the sleeve and is in sliding contact with the sleeve, the other end of the material guide pipe passes through the through hole 1 and is connected with the storage tank, and the electric control valve is arranged on the material guide pipe.

2. The dry mixing device for preparing mine filling binder according to claim 1, characterized in that: A material guiding mechanism is provided in the main body, and the material guiding mechanism includes a second motor, a rotating rod, two bevel gears, a plurality of augers and a plurality of bevel gears. The second motor is fixedly mounted on an outer wall of one side of the main body, the first rotating rod is rotatably mounted in the main body, one end of the first rotating rod extends outside the main body and is fixedly connected to the output shaft of the second motor, the two bevel gears are fixedly sleeved on the first rotating rod, the plurality of augers are rotatably mounted in corresponding sleeves, the other ends of the plurality of augers extend into the main body through the second through hole, the plurality of bevel gears are fixedly sleeved on one end of the plurality of augers, and the plurality of bevel gears are meshed with the corresponding bevel gears.

3. The dry mixing device for preparing mine filling binder according to claim 1, characterized in that: Two double-screw rollers are rotatably installed in the main body, and two rotating rods 2 are fixedly and rotatably installed on the outer wall of one side of the main body. One end of the two rotating rods 2 extends into the main body and is fixedly connected to the corresponding double-screw rollers. Two pulleys are fixedly sleeved on the two rotating rods 2 respectively, and transmission belts are sleeved on the two pulleys. A motor 3 is fixedly installed on the support seat, and the output shaft of the motor 3 is fixedly connected to the corresponding rotating rod 2.

4. The dry mixing device for preparing mine filling binder according to claim 2, characterized in that: An installation groove is provided on the inner wall of one side of the main body, and a plurality of rotating rods three are fixedly installed in the installation groove. The other ends of the plurality of rotating rods three are rotatably connected to the inner wall of the other side of the main body, and a partition is fixedly sleeved on the plurality of rotating rods three. A gear is fixedly sleeved on one end of the plurality of rotating rods three. An electric telescopic rod is fixedly installed in the installation groove, and a toothed plate is fixedly installed on the output shaft of the electric telescopic rod, and the toothed plate is meshed with a plurality of gears.

5. The dry mixing device for preparing mine filling binder according to claim 2, characterized in that: A material guide trough is provided at the bottom of the main body, a motor four is fixedly installed in the material guide trough, an auger two is fixedly installed on the output shaft of the motor four, and the auger two is adapted to the material guide trough.

6. The dry mixing device for preparing mine filling binder according to claim 4, characterized in that: A feed inlet is provided on the top of each of the plurality of storage tanks.

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