Gravel discharging control device

Abstract

The utility model relates to the technical field of sandstone transportation, and discloses a sandstone discharging control device which comprises a trapezoidal opening formed in the side wall of a discharging hopper and a control panel which is arranged on the side wall of the discharging hopper, used for covering the trapezoidal opening and capable of moving up and down, and in the actual production process, the control panel can be adjusted according to the demanded quantity of sandstone materials. Therefore, the size of the trapezoid opening is adjusted, the sand and stone output quantity of the trapezoid opening is increased or decreased, and different sand and stone demands are met. Meanwhile, the baffles are arranged on the periphery of the output port of the discharging hopper, sand and gravel can be prevented from being exposed towards the two sides of the conveying belt, and therefore raw material waste and environment pollution are avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of sand and stone transportation, and particularly relates to a sand and stone discharging control device. BACKGROUND

[0002] In the production process of concrete, the concrete mixture refers to the mixture prepared by mixing water, mud, sand, stone and water, the sand and stone play a role of framework in the concrete, so it is also called aggregate or aggregate, and the sand and stone material is the main building material of the concrete and the piled stone building in the construction engineering.

[0003] In the actual production process, the sand and stone material is generally put into the discharging bin by the material transport vehicle, the sand and stone is then discharged to the conveying belt below through the discharge hopper, and then is conveyed to the concrete mixer through the conveying belt. When a large amount of sand and stone material is required, the discharge opening of the discharge hopper is fixed in size, and the discharge amount of the discharge hopper is fixed, so that the discharging time of the discharge hopper is too long, and the subsequent work efficiency is affected. UTILITY MODEL CONTENT

[0004] The utility model intends to provide a sand and stone discharging control device, which can control the discharging amount and improve the work efficiency.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] 1) A sand and stone discharging control device, comprising a discharge hopper, the bottom of the discharge hopper is provided with an output opening, a trapezoidal opening is formed in the side wall of the discharge hopper and close to the output opening, a control plate for covering the trapezoidal opening is arranged on the side wall of the discharge hopper, the control plate can move up and down along the height direction of the discharge hopper, and the exposed area of the trapezoidal opening can be adjusted.

[0007] In the utility model, the sand and stone material in the discharge hopper is outputted outward through the output opening, the trapezoidal opening is formed in the side wall of the discharge hopper, the sand and stone material can be outputted through the trapezoidal opening at the same time as the output opening, the control plate for covering the trapezoidal opening is arranged on the side wall of the discharge hopper, the control plate can move up and down along the height direction of the discharge hopper, and the exposed area of the trapezoidal opening can be adjusted, so that the output amount of the sand and stone material of the trapezoidal opening can be adjusted. The control plate can be adjusted upward or downward according to the required amount, so that the exposed area of the trapezoidal opening is increased or decreased, so that the output amount of the sand and stone material of the trapezoidal opening is increased or decreased, and the required amount is met.

[0008] 2) The sand and stone discharging control device according to 1), wherein:

[0009] The control plate and the discharge hopper are connected through bolt sliding, a strip-shaped hole is formed in the position of the control plate facing the discharge hopper, a threaded hole is formed in the position of the discharge hopper facing the control plate, and the bolt is threadedly connected through the strip-shaped hole on the control plate and the threaded hole on the discharge hopper.

[0010] The diameter of the bolt head is larger than the width of the strip-shaped hole, the bolt is screwed through the strip-shaped hole on the control plate and the threaded hole on the discharge hopper, the thread on the threaded hole and the thread on the bolt are engaged by rotating the bolt, the bolt is screwed into the threaded hole, so that the control plate is tightly attached to the side wall of the discharge hopper, and the control plate can be fixed on the side wall of the discharge hopper by rotating the bolt; the bolt is rotated in the opposite direction, the bolt is screwed out of the threaded hole, a gap is formed between the control plate and the discharge hopper, the control plate is moved up and down along the height direction through the strip-shaped hole of the control plate and the bolt as a guide, and then the exposed area of the trapezoidal opening is adjusted, the trapezoidal opening and the output port output the sand and stone materials at the same time, the discharging speed is accelerated, when the trapezoidal opening is communicated with the output port, the discharging speed is faster, and the production efficiency is improved.

[0011] 3) The sand and stone discharging control device according to 1), wherein:

[0012] The bottom edge of the control plate is arc-shaped.

[0013] In the utility model, when the bottom edge of the control plate is arc-shaped, the exposed area of the trapezoidal opening is larger than that when the bottom edge is straight, and then the sand and stone discharging amount of the trapezoidal opening is larger.

[0014] 4) The sand and stone discharging control device according to 1), wherein:

[0015] The output port of the discharge hopper is provided with at least two baffles along the height direction.

[0016] In the utility model, when the two baffles are located on the left and right sides of the control plate, the sand and stone materials output from the left and right sides of the trapezoidal opening can be prevented from flowing out to the sides of the conveying belt; when the two baffles are located on the front and back sides of the control plate, the baffle located on the front side of the control plate can resist and slow down the sand and stone materials output from the trapezoidal opening, so that the impact damage to the conveying belt is reduced, and the baffle located on the back side of the control plate can position the sand and stone materials output from the trapezoidal opening and the output port, so that the fine gravel is prevented from splashing during the discharging process; when four baffles are arranged around the output port, the sand and stone materials output from the trapezoidal opening and the output port can be more accurately dropped on the conveying belt, so that the raw materials are prevented from being wasted and the environment is prevented from being polluted.

[0017] 5) The sand and stone discharging control device according to 4), wherein:

[0018] The baffles are two, and the baffles extend along the conveying direction and shield the discharging conveying direction of the discharge hopper.

[0019] The baffle prevents the sand and stone materials from scattering to the two sides of the conveying belt in the sand and stone material conveying process, thereby avoiding the sand and stone materials output from the trapezoidal opening and the output port from falling on the two sides of the conveying belt, and thereby avoiding waste of raw materials and pollution of the environment.

[0020] Compared with the prior art, the utility model still has following technical effects:

[0021] The utility model discloses a trapezoidal opening is set up on the side wall of the discharge hopper, and the control plate for covering the trapezoidal opening and being movable up and down is set up on the side wall of the discharge hopper, in the actual production process, can adjust the control plate according to the demand of sand and stone material, thereby the size of trapezoidal opening is adjusted, and then the sand and stone material output of trapezoidal opening increases or reduces, thereby meet different sand and stone demand. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a front view of a sand and stone discharge control device.

[0023] Figure 2 It is a trapezoidal opening schematic view of a sand and stone discharge control device.

[0024] Figure 3 It is a side view of a sand and stone discharge control device. DETAILED DESCRIPTION

[0025] The following is further explained in detail through specific embodiments:

[0026] The reference signs in the drawings of the specification include: discharge hopper 1, trapezoidal opening 2, control plate 3, bolt 4, strip hole 5, baffle 6, support 7, driving sprocket 8, driven sprocket 9, conveying belt 10, drive sprocket 11, servo motor 12, conveying belt 13.

[0027] Embodiment, see Figures 1-3 The utility model discloses a sand and stone discharge control device, including discharge hopper 1, the discharge hopper 1 below is equipped with conveying mechanism, be used for conveying sand and stone material, the bottom of discharge hopper is equipped with output port, the side wall of discharge hopper and is close to output port and is seted up with trapezoidal opening 2, is equipped with control plate 3 for covering trapezoidal opening on the side wall of discharge hopper, control plate 3 can move up and down along the height direction of discharge hopper, adjust the exposed area of trapezoidal opening.

[0028] The conveying mechanism comprises a support 7, a driving sprocket 8 and a driven sprocket 9 arranged on the support, a conveying belt 10 arranged between the driving sprocket 8 and the driven sprocket 9, a driving wheel 11 coaxially arranged on the driving sprocket 8, a servo motor 12 arranged on the support 7, the servo motor 12 being variable frequency, and a conveying belt 13 arranged between the output shaft of the servo motor 12 and the driving wheel 11. In actual production, the conveying speed of the conveying belt 10 is adjusted by adjusting the rotating speed of the servo motor 12, so that the conveying speed is matched with the output of the sand and stone materials from the discharge hopper, and the production efficiency is improved.

[0029] In the embodiment, the sand and stone materials in the discharge hopper 1 are outputted outward through the output port, a trapezoidal opening 2 is arranged on the side wall of the discharge hopper 1, and the sand and stone materials can be outputted through the trapezoidal opening 2 simultaneously with the output port. A control plate 3 for covering the trapezoidal opening 2 is arranged on the side wall of the discharge hopper 1, the control plate can move up and down along the height direction of the discharge hopper, the exposed area of the trapezoidal opening 2 can be adjusted, and the output of the sand and stone materials of the trapezoidal opening 2 can be adjusted. The control plate 3 can be adjusted upward or downward according to the demand, the exposed area of the trapezoidal opening 2 is increased or decreased, the output of the sand and stone materials of the trapezoidal opening 2 is increased or decreased, and the demand is met.

[0030] The control plate 3 and the discharge hopper 1 are connected through a bolt 4, a strip-shaped hole 5 is arranged on the control plate 3 towards the position of the discharge hopper 1, a threaded hole is arranged on the discharge hopper 1 towards the position of the control plate, and the bolt 4 is threadedly connected with the strip-shaped hole 5 on the control plate and the threaded hole on the discharge hopper.

[0031] In the embodiment, the diameter of the head of the bolt 4 is greater than the width of the strip-shaped hole 5, the bolt 4 is threadedly connected with the strip-shaped hole 5 on the control plate 3 and the threaded hole on the discharge hopper 1, the threads on the threaded hole and the threads on the bolt are engaged by rotating the bolt 4, the bolt is deepened into the threaded hole, the control plate 3 is tightly attached to the side wall of the discharge hopper 1, and the control plate 3 can be fixed on the side wall of the discharge hopper 1 by rotating the bolt 4. The bolt 4 is rotated in the opposite direction, the bolt 4 is rotated out of the threaded hole, a gap is formed between the control plate 3 and the discharge hopper 1, the control plate 3 is moved up and down along the height direction of the bolt 4 through the strip-shaped hole 5 of the control plate 3, the exposed area of the trapezoidal opening 2 is adjusted, the sand and stone materials are outputted through the trapezoidal opening 2 and the output port simultaneously, the output speed is increased, the output speed is faster when the trapezoidal opening 2 is communicated with the output port, and the production efficiency is improved.

[0032] As shown in Figure 1 The bottom edge of the control plate is arc-shaped.

[0033] In the embodiment, the bottom edge of the control plate 3 is arc-shaped, the exposed area of the trapezoidal opening 2 is greater than that when the bottom edge is straight, and the output of the sand and stone materials of the trapezoidal opening 2 is greater.

[0034] In addition, at least two baffles are provided around the output port of the hopper along the height direction.

[0035] In this embodiment, when the two baffles 6 are located on the left and right sides of the control panel 3, the sand and gravel output from the left and right sides of the trapezoidal opening 2 can be prevented from flowing outward to the sides of the conveyor belt; when the two baffles 6 are located on the front and rear sides of the control panel 3, the baffle 6 located on the front side of the control panel 3 can resist and slow down the sand and gravel output from the trapezoidal opening 2, thereby reducing the impact damage to the conveyor belt, and the baffle 6 located on the rear side of the control panel 3 positions the sand and gravel output from the trapezoidal opening 2 and the output port, preventing fine gravel from splashing during the unloading process; when four baffles 6 are set and arranged around the output port, the sand and gravel output from the trapezoidal opening 2 and the output port can be made to fall more accurately onto the conveyor belt, thereby avoiding wasting raw materials and polluting the environment.

[0036] See also Figure 1 and Figure 3 As shown, when there are two baffles 6 , the baffles 6 extend along the conveying direction and block the discharging conveying direction of the discharging hopper 1 .

[0037] In this embodiment, when the baffle 6 is set to two pieces, the baffle 6 blocks the discharge conveying direction of the discharge hopper 1 to prevent the sand and gravel from scattering to both sides of the conveyor belt during the conveying process, thereby preventing the sand and gravel output from the trapezoidal opening 2 and the output port from falling on both sides of the conveyor belt, thereby avoiding wasting raw materials and polluting the environment.

[0038] This embodiment provides a trapezoidal opening 2 on the side wall of the discharge hopper 1, and a control panel 3 that is movable up and down and covers the trapezoidal opening 2. During actual production, the control panel 3 can be adjusted according to the demand for sand and gravel, thereby adjusting the size of the trapezoidal opening 2 and increasing or decreasing the amount of sand and gravel output from the trapezoidal opening 2 to meet different sand and gravel demands. Furthermore, a baffle 6 is provided around the output port of the discharge hopper 1 to prevent sand and gravel from being exposed to the sides of the conveyor belt, thereby avoiding waste of raw materials and environmental pollution.

[0039] The above are only embodiments of the present invention, and the commonly known specific technical solutions and / or features in the solution are not described in detail here. It should be pointed out that for those skilled in the art, without departing from the technical solution of the present invention, several variations and improvements can be made, which should also be regarded as the scope of protection of the present invention, and these will not affect the effect of the implementation of the present invention and the practicality of the patent. The scope of protection claimed in this application shall be based on the content of its claims, and the specific implementation methods and other records in the specification can be used to interpret the content of the claims.

Claims

1. A sand and aggregate discharge control device, characterized by, The discharge hopper is provided with an output port at the bottom, a trapezoidal opening is formed in the side wall of the discharge hopper near the output port, a control plate for covering the trapezoidal opening is arranged on the side wall of the discharge hopper, and the control plate can move up and down along the height direction of the discharge hopper to adjust the exposed area of the trapezoidal opening.

2. A sand and aggregate discharge control device according to claim 1, wherein: The control plate and the discharge hopper are connected through bolt sliding connection, a strip-shaped hole is formed in the control plate towards the position of the discharge hopper, a threaded hole is formed in the discharge hopper towards the position of the control plate, and the bolt is threadedly connected through the strip-shaped hole in the control plate and the threaded hole in the discharge hopper.

3. A sand and aggregate discharge control device according to claim 1, wherein: The bottom edge of the control plate is arc-shaped.

4. The sand and gravel dispensing control device of claim 1, wherein: At least two baffles are arranged along the height direction on the periphery of the output port of the discharge hopper.

5. A grit discharge control device according to claim 4, wherein: The baffles are two, extend along the conveying direction, and shield the conveying direction of the discharge of the discharge hopper.

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