Blowing control device for dry separator

Abstract

The utility model relates to the technical field of dry separators, and discloses a blowing control device for a dry separator, which comprises a valve box main body, a mounting bedplate is fixedly mounted in the valve box main body and divides an inner cavity of the valve box main body into an upper cavity and a lower cavity, the upper cavity is a control cavity, and the lower cavity is an air storage cavity. An air supply pipe is fixedly installed on the side face of the valve box body and communicates with the air storage cavity, a plurality of electromagnetic valves are installed in the control cavity, and the air inlet end of each electromagnetic valve communicates with the air storage cavity. According to the air blowing control device for the dry separator, the air storage cavity is formed in the lower side of the valve box body, the multiple electromagnetic valves are communicated with the same air storage cavity in parallel, the electromagnetic valves are used for controlling opening and closing of air channels of the air storage cavity and the air blowing holes, and the electromagnetic valves and the air blowing holes are in one-to-one correspondence, that is, the air blowing holes are communicated with the air storage cavity in parallel; the air injection pressures of all the air blowing holes are the same, and therefore the effect that the air pressure of the air blowing system of the dry separator is stable is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of dry separators, and specifically relates to a blowing control device for a dry separator. Background Technique

[0002] During the working process of a dry separator, the blowing operation of high-pressure gas in the valve box is crucial for the effective separation and screening of materials. For example, in the prior art, a patent document with the publication number CN115716044A discloses an automatic control wind dry separator, including a dust suction hood, a bed surface, a horizontal angle support device, a bed surface support beam, a variable frequency vibrator, a bed body support beam, a support device, a longitudinal angle support device, a blowing system, a material receiving device, a main machine leg, and automatic control, etc.; the present invention uses a polyurethane rubber material with strong toughness, wear resistance, and heat resistance, and automation replaces manual operation; under the combined action of the vibration of the excitation vibrator and the pulsating air supply on the sorting bed surface, light and heavy products are sorted; the structure of the present invention is reasonable and simple, the equipment has strong durability, high automation degree, good sorting effect, low production cost, and is easy to use.

[0003] However, the traditional blowing system has problems such as unstable gas pressure and inaccurate blowing position, resulting in poor material screening effect, and increasing energy consumption and labor costs. Content of the Utility Model

[0004] The purpose of the utility model is to provide a blowing control device for a dry separator to solve the problems proposed in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A blowing control device for a dry separator, including a valve box main body, an installation table board is fixedly installed inside the valve box main body, and the installation table board divides the inner cavity of the valve box main body into upper and lower two chambers. The upper chamber is a control chamber, and the lower chamber is a gas storage chamber. A gas supply pipe is fixedly installed on the side of the valve box main body, and the gas supply pipe is communicated with the gas storage chamber;

[0006] A plurality of electromagnetic valves are installed in the control chamber, the air inlet ends of each electromagnetic valve are communicated with the gas storage chamber, the upper side of the valve box main body is installed with a blowing roller with adjustable angle through an installation seat, a plurality of blowing holes are opened on the upper surface of the blowing roller, a plurality of connecting pipe heads are fixedly installed on the lower side of the blowing roller, each connecting pipe head corresponds to and is communicated with a blowing hole one by one, and each connecting pipe head is respectively communicated with the air outlet end of each electromagnetic valve through an independent connecting pipe. The plurality of electromagnetic valves are arranged in parallel and communicated with the same gas storage chamber, and the opening and closing of the gas path between the gas storage chamber and the blowing holes are controlled by each electromagnetic valve to ensure that the jet pressure of each blowing hole is the same and stable.

[0007] In some embodiments, the upper surface of the mounting platen is provided with a notch penetrating up and down, and a mounting substrate is fixedly installed and covered at the notch. A plurality of electromagnetic valves are arranged in a rectangular array on the upper surface of the mounting substrate. The surface of the mounting substrate is provided with a through hole up and down. The electromagnetic valve is communicated with the air storage cavity through the hole, so that a plurality of electromagnetic valves are connected in parallel with the same air storage cavity, that is, connected in parallel.

[0008] In some embodiments, there are two mounting seats, and both mounting seats are fixedly installed on the upper side of the valve box body. Both ends of the air blowing roller are fixedly installed with end shafts, and the end shafts on both sides respectively extend into the two mounting seats. A first gear and a second gear are respectively rotatably installed inside the mounting seats. The first gear is fixedly connected to the surface of the end shaft, and the first gear is meshed and driven with the second gear. A transmission rod is arranged between the two mounting seats, and both ends of the transmission rod are respectively fixedly connected to the second gears inside the two mounting seats.

[0009] A worm gear disc and a worm are respectively rotatably installed inside one of the mounting seats. The worm gear disc is coaxially and fixedly connected to the end of the second gear, and the worm gear disc is meshed and driven with the worm. A driving motor is fixedly installed on the surface of the mounting seat, and the rotating end of the driving motor is coaxially and fixedly connected to the worm, so as to drive the worm to rotate. By driving the motor, the air blowing roller can be driven to rotate a certain angle, so that the air blowing roller has the effect of adjusting the spraying angle and ensuring the accuracy of the air blowing position.

[0010] In some embodiments, a maintenance window is provided on the upper surface of the valve box body, and a cover plate is fixedly installed at the maintenance window through bolts. The upper edge of the cover plate is fixedly installed with an arc-shaped cover, and the arc-shaped cover covers the surface of the air blowing roller. An air blowing window is provided on the surface of the arc-shaped cover. When the air blowing roller rotates a certain angle inside the arc-shaped cover, the area of the air blowing holes can be hidden inside the arc-shaped cover, which has a good protection effect.

[0011] In some embodiments, a first maintenance door panel is installed on the upper surface of the valve box body through screws, and a second maintenance door panel is installed on the side surface of the valve box body through screws. By opening the first maintenance door panel and the second maintenance door panel, it is convenient to repair the devices in the control cavity.

[0012] In some embodiments, a plurality of T-shaped support plates are fixedly installed inside the air storage cavity, and the upper surface of the T-shaped support plate is fixedly connected to the lower surface of the mounting platen, so that the inner cavity of the air storage cavity is a connected space.

[0013] Beneficial effects

[0014] The utility model provides an air blowing control device for a dry separator, which has the following beneficial effects:

[0015] 1. The air blowing control device for the dry separation machine sets an air storage cavity on the lower side of the valve box body. A number of electromagnetic valves are arranged in parallel and communicated with the same air storage cavity. The opening and closing of the air path between the air storage cavity and the air blowing holes are controlled by each electromagnetic valve, and there is a one-to-one correspondence between the electromagnetic valves and the air blowing holes, that is, each air blowing hole is arranged in parallel and communicated with the air storage cavity, and the jet pressure of each air blowing hole is the same, so as to achieve the effect of stable gas pressure in the air blowing system of the dry separation machine.

[0016] 2. The air blowing control device for the dry separation machine sets an installation seat and a driving motor. The air blowing roller is rotatably connected to the installation seat. The driving motor can drive the air blowing roller to rotate a certain angle, so that the air blowing roller has the effect of adjusting the spraying angle and ensuring the accuracy of the air blowing position. In addition, a cover plate and an arc-shaped cover are arranged on the upper side of the valve box body. After the air blowing roller rotates a certain angle in the arc-shaped cover, the area of the air blowing holes can be rotated to and hidden inside the arc-shaped cover, avoiding the pollution or blockage of the air blowing holes, and having a good protection effect. Brief Description of the Drawings

[0017] Figure 1 is the three-dimensional structure schematic diagram (one) of the present utility model;

[0018] Figure 2 is the three-dimensional structure schematic diagram (two) of the present utility model;

[0019] Figure 3 is Figure 2 the enlarged structure schematic diagram at A in

[0020] Figure 4 is the side sectional structure schematic diagram of the present utility model;

[0021] Figure 5 is the side sectional structure schematic diagram of the installation seat.

[0022] In the figure: 1 valve box body, 2 installation table board, 3 control cavity, 4 air storage cavity, 5 air supply pipe, 6 electromagnetic valve, 7 installation seat, 8 air blowing roller, 9 air blowing holes, 10 connecting pipe head, 11 connecting pipe, 12 installation base plate, 13 end shaft, 14 first gear, 15 second gear, 16 transmission rod, 17 worm wheel disc, 18 worm, 19 driving motor, 20 maintenance window, 21 cover plate, 22 arc-shaped cover, 23 first maintenance door plate, 24 second maintenance door plate, 25 T-shaped support plate. Detailed Embodiment

[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0024] Please refer to Figures 1-5 Figures 1-5 , the present utility model provides a technical solution: a blowing control device for a dry separation machine, including a valve box main body 1. An installation table board 2 is fixedly installed inside the valve box main body 1. The installation table board 2 divides the inner cavity of the valve box main body 1 into upper and lower chambers. The upper chamber is a control chamber 3, and the lower chamber is an air storage chamber 4. An air supply pipe 5 is fixedly installed on the side surface of the valve box main body 1. The air supply pipe 5 is communicated with the air storage chamber 4. A plurality of T-shaped support plates 25 are fixedly installed inside the air storage chamber 4. The upper surface of the T-shaped support plate 25 is fixedly connected with the lower surface of the installation table board 2. The inner cavity of the air storage chamber 4 is a connected space. An air compressor is connected to the air supply pipe 5 to inject air into the air storage chamber 4.

[0025] A plurality of electromagnetic valves 6 are installed in the control chamber 3. The air inlet ends of each electromagnetic valve 6 are all communicated with the air storage chamber 4. Specifically, a vertically penetrating notch is opened on the upper surface of the installation table board 2, and an installation substrate 12 is fixedly installed by covering at the notch. A plurality of electromagnetic valves 6 are arranged in a rectangular array on the upper surface of the installation substrate 12. A vertically penetrating pore is opened on the surface of the installation substrate 12. The electromagnetic valve 6 is communicated with the air storage chamber 4 through the pore, that is, each electromagnetic valve 6 is juxtaposed and communicated with the air storage chamber 4.

[0026] The upper side of the valve box main body 1 is provided with an angle-adjustable blowing roller 8 through an installation seat 7. A plurality of blowing holes 9 are opened on the upper surface of the blowing roller 8. A plurality of connecting pipe heads 10 are fixedly installed on the lower side of the blowing roller 8. Each connecting pipe head 10 corresponds to and is communicated with a blowing hole 9 one by one. Each connecting pipe head 10 is respectively communicated with the air outlet end of each electromagnetic valve 6 through an independent connecting pipe 11.

[0027] Among them, there are two installation seats 7. Both installation seats 7 are fixedly installed on the upper side of the valve box main body 1. Both ends of the blowing roller 8 are fixedly installed with end shafts 13. The end shafts 13 on both sides respectively extend into the two installation seats 7.

[0028] A first gear 14 and a second gear 15 are respectively rotatably installed inside the installation seat 7. The first gear 14 is fixedly connected with the surface of the end shaft 13. The first gear 14 is meshed and driven with the second gear 15. A transmission rod 16 is arranged between the two installation seats 7. Both ends of the transmission rod 16 are respectively fixedly connected with the second gears 15 inside the two installation seats 7.

[0029] A worm wheel disc 17 and a worm 18 are respectively rotatably installed inside one of the installation seats 7. The worm wheel disc 17 is coaxially and fixedly connected with the end of the second gear 15. The worm wheel disc 17 is meshed and driven with the worm 18. A driving motor 19 is fixedly installed on the surface of the installation seat 7. The rotating end of the driving motor 19 is coaxially and fixedly connected with the worm 18 to drive the worm 18 to rotate.

[0030] By setting the mounting base 7 and the driving motor 19, the blowing roller 8 is rotatably connected to the mounting base 7. When the driving motor 19 rotates, through the transmission of the worm 18 and the worm wheel disc 17, and the transmission of the first gear 14 and the second gear 15, the blowing roller 8 can be driven by the driving motor 19 to rotate a certain angle, so that the blowing roller 8 has the effect of adjusting the spraying angle, ensuring the accuracy of the blowing position.

[0031] An inspection window 20 is provided on the upper surface of the valve box body 1, and a cover plate 21 is fixedly installed at the inspection window 20 by bolts. An arc-shaped cover 22 is fixedly installed on the upper edge of the cover plate 21. The arc-shaped cover 22 covers the surface of the blowing roller 8. A blowing window is provided on the surface of the arc-shaped cover 22. The blowing holes 9 are located at the blowing window and jet air outward. The cover plate 21 and the arc-shaped cover 22 are provided on the upper side of the valve box body 1. After the blowing roller 8 rotates a certain angle in the arc-shaped cover 22, the area of the blowing holes 9 can be hidden inside the arc-shaped cover 22, preventing the blowing holes 9 from being contaminated or blocked, and having a good protection effect.

[0032] A first inspection door panel 23 is installed on the upper surface of the valve box body 1 by screws, and a second inspection door panel 24 is installed on the side surface of the valve box body 1 by screws. Since there are many electromagnetic valves 6 in the control chamber 3 and the failure rate is high, opening the first inspection door panel 23 and the second inspection door panel 24 facilitates the replacement or repair of the electromagnetic valves 6 in the control chamber 3.

[0033] For the blowing control device of the dry separation machine, by providing an air storage chamber 4 on the lower side of the valve box body 1, several electromagnetic valves 6 are arranged in parallel and communicated with the same air storage chamber 4. The opening and closing of the air path between the air storage chamber 4 and the blowing holes 9 are controlled by each electromagnetic valve 6, and the electromagnetic valves 6 and the blowing holes 9 are in a one-to-one correspondence relationship, that is, each blowing hole 9 is in parallel conduction with the air storage chamber 4, and the jet air pressure of each blowing hole 9 is the same, so as to achieve the effect of stable gas pressure in the blowing system of the dry separation machine.

[0034] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A blow control device for a dry sorting machine, comprising a valve box body (1), characterized in that: A mounting plate (2) is fixedly installed inside the valve box body (1), and the mounting plate (2) divides the inner cavity of the valve box body (1) into two upper and lower chambers, the upper chamber being a control chamber (3) and the lower chamber being an air storage chamber (4). An air supply pipe (5) is fixedly installed on the side of the valve box body (1), and the air supply pipe (5) is connected to the air storage chamber (4); A plurality of electromagnetic valves (6) are installed in the control chamber (3), and the air inlet end of each electromagnetic valve (6) is connected to the air storage chamber (4). An angle-adjustable air blowing roller (8) is installed on the upper side of the valve box body (1) through a mounting seat (7). A plurality of air blowing holes (9) are opened on the upper surface of the air blowing roller (8). A plurality of connecting pipe heads (10) are fixedly installed on the lower side of the air blowing roller (8), and each connecting pipe head (10) corresponds to and is connected to the air blowing hole (9) one by one. Each connecting pipe head (10) is connected to the air outlet end of each electromagnetic valve (6) through an independent connecting pipe (11).

2. The air blowing control device for a dry sorting machine according to claim 1, characterized in that: The upper surface of the mounting platform (2) is provided with a notch extending vertically therethrough, and a mounting base plate (12) is fixedly mounted on the notch. A plurality of electromagnetic valves (6) are arranged in a rectangular array on the upper surface of the mounting base plate (12). The surface of the mounting base plate (12) is provided with a channel extending vertically therethrough, and the electromagnetic valves (6) are connected to the air storage chamber (4) through the channel.

3. The air blowing control device for a dry sorting machine according to claim 2, characterized in that: There are two mounting seats (7), both of which are fixedly mounted on the upper side of the valve box body (1). End shafts (13) are fixedly mounted on both ends of the blowing roller (8), and the end shafts (13) on both sides extend into the mounting seats (7) on both sides respectively.

4. The air blowing control device for a dry sorting machine according to claim 3, characterized in that: A first gear (14) and a second gear (15) are rotatably mounted inside the mounting seat (7), the first gear (14) is fixedly connected to the surface of the end shaft (13), the first gear (14) and the second gear (15) are meshed for transmission, a transmission rod (16) is arranged between the two mounting seats (7), and both ends of the transmission rod (16) are fixedly connected to the second gears (15) in the two mounting seats (7).

5. The air blowing control device for a dry sorting machine according to claim 4, characterized in that: A worm wheel (17) and a worm (18) are rotatably mounted inside the mounting seat (7), the worm wheel (17) is coaxially fixedly connected to the end of the second gear (15), the worm wheel (17) and the worm (18) are meshed for transmission, and a driving motor (19) is fixedly mounted on the surface of the mounting seat (7), the rotating end of the driving motor (19) is coaxially fixedly connected to the worm (18), thereby driving the worm (18) to rotate.

6. The air blowing control device for a dry sorting machine according to claim 5, characterized in that: The upper surface of the valve box body (1) is provided with an inspection window (20), and a cover plate (21) is fixedly installed at the inspection window (20) by means of bolts, an arc-shaped cover (22) is fixedly installed on the upper edge of the cover plate (21), the arc-shaped cover (22) covers the surface of the blowing roller (8), and a blowing window is provided on the surface of the arc-shaped cover (22).

7. An air blowing control device for a dry sorting machine according to any one of claims 1 to 6, characterized in that: A first inspection door plate (23) is mounted on the upper surface of the valve box body (1) by means of screws, and a second inspection door plate (24) is mounted on the side surface of the valve box body (1) by means of screws.

8. The air blowing control device for a dry sorting machine according to claim 7, characterized in that: A plurality of T-shaped support plates (25) are fixedly installed inside the air storage cavity (4), and the upper surface of the T-shaped support plate (25) is fixedly connected to the lower surface of the mounting platform (2).

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