CN112090739A - High temperature alloy heat preservation sand autofilter and cleaning device - Google Patents

Abstract

The invention relates to the technical field of cleaning attachments for thermal insulation sand for pouring, in particular to an automatic screening and cleaning device for high-temperature alloy thermal insulation sand, which reduces the labor of workers, improves work efficiency, has good screening and cleaning effects, and can avoid dust flying at the same time. , in line with environmental protection requirements, improve practicability, including box shell, lifting device and screening device, the inner wall of the box shell is provided with a placement cavity, the lifting device includes a lifting channel, an upper roller, a lower roller, a crawler, a sand bucket, Lifting motor, feeding hopper and discharge port, the screening device includes an upper sieve plate and a lower sieve plate, the upper sieve plate and the lower sieve plate are both installed in the placement cavity, and the front end of the box shell is provided with respectively driving the upper sieve plate and the lower sieve plate. The upper vibration motor and the lower vibration motor for vibrating the sieve plate are provided with a dark grid on the right side wall of the placement cavity. A hopper connected to the dark compartment.

Description

An automatic screening and cleaning device for superalloy thermal insulation sand

technical field

The invention relates to the technical field of an auxiliary device for cleaning thermal insulation sand for pouring, in particular to an automatic screening and cleaning device for high temperature alloy thermal insulation sand.

Background technique

As we all know, the superalloy insulation sand will produce a large amount of excessive sand shell debris and too small broken sand and dust if it is not used once. Dust can also pollute the working environment and endanger the health of workers. On-site thermal insulation sand screening is generally carried out by manpower, and the dust is blown away by wind. The labor intensity of workers is high, the work efficiency is low, and it does not meet the policy requirements of environmental protection, resulting in low practicability.

SUMMARY OF THE INVENTION

(1) Technical problems solved

Aiming at the deficiencies of the prior art, the present invention provides an automatic screening and cleaning of high-temperature alloy thermal insulation sand, which can reduce the workload of workers, improve work efficiency, have good screening and cleaning effects, can avoid dust flying, meet environmental protection requirements, and improve practicability. device.

(2) Technical solutions

In order to achieve the above purpose, the present invention provides the following technical solutions: an automatic screening and cleaning device for superalloy thermal insulation sand, comprising a box shell, a lifting device and a screening device, the inner wall of the box shell is provided with a placement cavity, the The lifting device includes a lifting channel, the lifting channel is installed on the right end of the casing of the box, and an upper rotating roller and a lower rotating roller are rotatably arranged inside the lifting channel, and the outer sides of the upper rotating roller and the lower rotating roller are sleeved with The crawler belt is provided with sand buckets evenly on the outside of the crawler belt. The top of the front end of the lifting channel is provided with a lifting motor that drives the upper rotating shaft. The right end of the lifting channel is connected with a feeding hopper. The discharge port communicated at the top, the screening device includes an upper sieve plate and a lower sieve plate, the upper sieve plate and the lower sieve plate are both installed in the placement cavity, the upper sieve plate is located above the lower sieve plate, and the box shell The front end is provided with an upper vibration motor and a lower vibration motor that respectively drive the upper sieve plate and the lower sieve plate to vibrate, the right side wall of the placement cavity is provided with a dark grid, and the top input end of the dark grid is located on the lower sieve plate. Just below the output end on the right, the rear end of the box shell is provided with a discharge hopper that communicates with the dark compartment.

Preferably, the left end and the right end of the upper sieve plate are respectively provided with an upper vibrator rotating shaft and an upper rotating shaft, the upper rotating shaft is rotatably connected to the casing of the box, and the upper vibrator rotating shaft and the upper vibration motor are rotatably connected. output connection.

Preferably, the left end and the right end of the lower sieve plate are respectively provided with a lower rotating shaft and a lower vibrator rotating shaft, the lower rotating shaft is rotatably connected to the casing of the box, and the lower vibrator rotating shaft and the lower vibrating motor are rotatably connected. output connection.

Preferably, when the left end of the upper sieve plate is in the highest position, the upper sieve plate is kept in a horizontal state, and when the left end of the upper sieve plate is in the lowest position, the left end of the upper sieve plate is inclined downward by 15°.

Preferably, when the right end of the lower sieve plate is in the highest position, the lower sieve plate is kept in a horizontal state, and when the right end of the lower sieve plate is in the lowest position, the right end of the lower sieve plate is inclined downward by 8°.

Preferably, the sieve holes of the upper sieve plate are larger than those of the lower sieve plate, a space is left between the left end of the upper sieve plate and the left side wall of the placement cavity, and the left end of the lower sieve plate and the left side wall of the placement cavity are spaced. space between.

Preferably, the rear end of the box shell is provided with a waste gas discharge pipe communicating with the placement cavity, and the input end of the waste gas discharge pipe is located above the upper sieve plate.

Preferably, a waste sand collection drawer is provided at the bottom of the box shell.

Preferably, the front end of the box shell is provided with an observation window, and the observation window is opposite to the upper sieve plate and the lower sieve plate.

(3) Beneficial effects

Compared with the prior art, the present invention provides an automatic screening and cleaning device for superalloy thermal insulation sand, which has the following beneficial effects:

1. The high-temperature alloy thermal insulation sand automatic screening and cleaning device introduces the used thermal insulation sand from the hopper into the lifting channel, drives the upper roller to rotate through the lifting motor, and drives the crawler sand hopper to rotate through the upper roller to rotate the thermal insulation sand. It flows into the rising sand hopper. After reaching the highest position, the sand hopper turns over automatically. Under the action of gravity, the insulating sand is introduced into the box shell and falls on the upper sieve plate. The upper sieve plate is driven up and down by the upper vibration motor. Vibrating, the large particles stay on the upper sieve plate and are led out from the left output end of the upper sieve plate and fall to the bottom of the placement cavity. The vibration motor drives the lower sieve plate to vibrate up and down, and the medium-sized thermal insulation sand remains on the lower sieve plate and is exported from the right output end of the lower sieve plate to the dark grid, and then exported through the discharge hopper, and the small particles of thermal insulation sand and dust pass through. After passing through the lower sieve plate, it falls to the bottom of the placement cavity, thus completing the screening and cleaning of the thermal insulation sand, reducing the workload of workers, improving work efficiency, and achieving good screening and cleaning effects;

2. The high-temperature alloy thermal insulation sand automatic screening and cleaning device performs screening operations in a relatively closed box shell, which can avoid dust flying, meet environmental protection requirements, and improve practicability.

Description of drawings

Fig. 1 is the three-dimensional structure schematic diagram of the present invention;

Fig. 2 is the plane structure schematic diagram of the present invention;

Fig. 3 is the top view structure schematic diagram of the present invention;

Fig. 4 is the left side view structure schematic diagram of the present invention;

Markings in the drawings: 1. Box shell; 2. Lifting channel; 3. Upper rotating roller; 4. Lower rotating roller; 5. Crawler belt; 6. Sand bucket; 7. Lifting motor; Material port; 10, upper sieve plate; 11, lower sieve plate; 12, upper vibration motor; 13, lower vibration motor; 14, dark grid; 15, discharge hopper; 16, upper vibrator rotating shaft; 17, upper rotating shaft ; 18. Lower rotating shaft; 19. Lower vibrator rotating shaft; 20. Exhaust gas discharge pipe; 21. Waste sand collection drawer; 22. Observation window.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

1-4, an automatic screening and cleaning device for superalloy thermal insulation sand according to the present invention includes a box shell 1, a lifting device and a screening device. The inner wall of the box shell 1 is provided with a placement cavity. The lifting device includes a lifting channel 2, the lifting channel 2 is installed at the right end of the box shell 1, and an upper rotating roller 3 and a lower rotating roller 4 are rotatably arranged inside the lifting channel 2. The upper rotating roller 3 and the lower rotating roller 4 The outer side of the rotating roller 4 is sleeved with a crawler belt 5, and a sand bucket 6 is evenly arranged on the outer side of the crawler belt 5. The top of the front end of the lifting channel 2 is provided with a lifting motor 7 that drives the upper rotating shaft. The right end of the lifting channel 2 is connected with a For the feeding hopper 8, the top of the left end of the lifting device is provided with a discharge port 9 that communicates with the top of the casing 1 of the box body. The screening device includes an upper sieve plate 10 and a lower sieve plate 11. The upper sieve plate 10 and the lower sieve plate 11 are installed in the placement cavity, the upper sieve plate 10 is located above the lower sieve plate 11, and the front end of the box shell 1 is provided with an upper vibration motor 12 and a lower vibration motor that respectively drive the upper sieve plate 10 and the lower sieve plate 11 to vibrate. 13. A dark compartment 14 is provided on the right side wall of the placement cavity, the top input end of the dark compartment 14 is located just below the right output end of the lower sieve plate 11, and the rear end of the box shell 1 is provided with a dark compartment. 14 connected hoppers 15; the used thermal insulation sand is introduced from the feeding hopper 8 into the lifting channel 2, the upper roller 3 is driven to rotate by the lifting motor 7, and the sand hopper 6 of the crawler belt 5 is driven by the upper roller 3 to rotate to keep the heat preservation. The sand flows into the continuously rising sand bucket 6. After reaching the highest position, the sand bucket 6 is automatically turned over. Under the action of gravity, the insulating sand is introduced into the box shell and falls on the upper sieve plate 10, and is driven by the upper vibration motor 12. The upper sieve plate 10 vibrates up and down, and the large particles stay on the upper sieve plate 10 and are led out from the left output end of the upper sieve plate 10 and fall to the bottom of the placement cavity. Distributed to the lower sieve plate 11, the lower sieve plate 11 is driven to vibrate up and down by the lower vibration motor 13, and the medium-sized thermal insulation sand remains on the lower sieve plate 11 and is led out from the right output end of the lower sieve plate 11 into the dark grid 14. , and then exported through the discharge hopper 15, and the small particles of thermal insulation sand and dust fall through the lower sieve plate 11 to the bottom of the placement cavity, thereby completing the screening and cleaning of the thermal insulation sand, reducing the workload of workers, improving work efficiency, and screening and cleaning effects. Good; the screening operation is carried out in the relatively airtight box shell 1, which can avoid the situation of flying dust, meet the requirements of environmental protection, and improve the practicability.

The left end and the right end of the upper sieve plate 10 are respectively provided with an upper vibrator rotating shaft 16 and an upper rotating shaft 17, the upper rotating shaft 17 is rotatably connected with the case shell 1, and the upper vibrator rotating shaft 16 is connected with the upper The output end of the vibration motor 12 is connected. When the left end of the upper sieve plate 10 is at the highest position, the upper sieve plate 10 is kept in a horizontal state. When the left end of the upper sieve plate 10 is at the lowest position, the left end of the upper sieve plate 10 is downward. Inclined 15°; the upper vibration motor 12 drives the left end of the upper sieve plate 10 to move up and down to realize the vibration of the upper sieve plate 10, and the vibration amplitude is 15° to ensure that large particles of impurities can be quickly derived from the left end of the upper sieve plate 10. fall into the waste sand collection drawer 21 .

The left end and the right end of the lower sieve plate 11 are respectively provided with a lower rotating shaft 18 and a lower vibrator rotating shaft 19, the lower rotating shaft 18 is rotatably connected with the case shell 1, and the lower vibrator rotating shaft 19 is connected with the lower vibrator. The output end of the vibration motor 13 is connected. When the right end of the lower sieve plate 11 is at the highest position, the lower sieve plate 11 is kept in a horizontal state. When the right end of the lower sieve plate 11 is at the lowest position, the right end of the lower sieve plate 11 is inclined downward by 8 °; the lower vibration motor 13 drives the right end of the lower sieve plate 11 to move up and down to realize the vibration of the lower sieve plate 11. The amplitude of the lower sieve plate 11 is 8°, which can fully screen the medium-sized thermal insulation sand and the small-sized thermal insulation sand. It is a prior art in the technical field that the vibration motor drives the sieve plate to vibrate, but it will not be repeated here.

The sieve hole of the upper sieve plate 10 is larger than the sieve hole of the lower sieve plate 11, a space is left between the left end of the upper sieve plate 10 and the left side wall of the placement cavity, the left end of the lower sieve plate 11 and the left side wall of the placement cavity There is a space between them to ensure that the large particles on the upper sieve plate 10 can smoothly fall into the waste sand collection drawer 21 below.

The rear end of the box shell 1 is provided with an exhaust gas discharge pipe 20 that communicates with the placement cavity. The input end of the exhaust gas discharge pipe 20 is located above the upper sieve plate 10, and the dust in the box shell 1 passes through the exhaust gas discharge pipe 20. Access to the central dust collector to facilitate the unified treatment of dust.

The bottom of the box shell 1 is provided with a waste sand collection drawer 21. Larger particles of impurities, smaller heat-insulating sand and dust fall into the waste sand collection drawer 21 to facilitate cleaning of waste materials.

The front end of the box shell 1 is provided with an observation window 22, and the observation window 22 is opposite to the upper sieve plate 10 and the lower sieve plate 11; observe the situation.

When in use, the used thermal insulation sand is introduced from the hopper 8 into the lifting channel 2 by a forklift, the upper roller 3 is driven to rotate by the lifting motor 7, and the sand hopper 6 of the crawler belt 5 is driven by the upper roller 3 to rotate, and the thermal insulation sand It flows into the rising sand bucket 6. After reaching the highest position, the sand bucket 6 is automatically turned over. Under the action of gravity, the insulating sand is introduced into the box shell and falls on the upper sieve plate 10, and is driven by the upper vibration motor 12. The sieve plate 10 vibrates up and down, the large particles stay on the upper sieve plate 10 and are led out from the left output end of the upper sieve plate 10 and fall to the bottom of the placement cavity. On the lower sieve plate 11, the lower sieve plate 11 is driven to vibrate up and down by the lower vibration motor 13, and the medium-sized thermal insulation sand remains on the lower sieve plate 11 and is led out from the right output end of the lower sieve plate 11 into the dark grid 14. Then it is exported through the discharge hopper 15, and the small particles of thermal insulation sand and dust fall through the lower sieve plate 11 to the bottom of the placement cavity, thereby completing the screening and cleaning of the thermal insulation sand, reducing the labor workload of workers, improving work efficiency, and achieving good screening and cleaning effects. The screening operation is carried out in the relatively airtight box shell 1, which can avoid the situation of dust flying, meet the requirements of environmental protection, and improve the practicability. It is observed that larger particles of impurities and smaller thermal insulation sand and dust fall into the waste sand collection drawer 21, which is convenient for cleaning the waste materials. Unified disposal of dust.

Figure 1 In order to see the internal structure, the top plate of the box shell and the front side plate of the lifting channel are removed.

It should be noted that, in this document, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any relationship between these entities or operations. any such actual relationship or sequence exists. Moreover, the terms "comprising", "comprising" or any other variation thereof are intended to encompass a non-exclusive inclusion such that a process, method, article or device that includes a list of elements includes not only those elements, but also includes not explicitly listed or other elements inherent to such a process, method, article or apparatus.

The electrical components appearing in this article are all connected with the external main controller and 220V mains, and the main controller can be a conventional known device controlled by a computer or the like.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, and substitutions can be made in these embodiments without departing from the principle and spirit of the invention and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (9)

1. The automatic screening and cleaning device for the high-temperature alloy heat-insulating sand is characterized by comprising a box body shell (1), a lifting device and a screening device, wherein a placing cavity is formed in the inner wall of the box body shell (1), the lifting device comprises a lifting channel (2), the lifting channel (2) is installed at the right end of the box body shell (1), an upper rotating roller (3) and a lower rotating roller (4) are rotatably arranged in the lifting channel (2), a crawler belt (5) is sleeved on the outer sides of the upper rotating roller (3) and the lower rotating roller (4), sand hoppers (6) are uniformly arranged on the outer sides of the crawler belt (5), a lifting motor (7) for driving the upper rotating shaft is arranged at the top of the front end of the lifting channel (2), a feeding hopper (8) is communicated with the right end of the lifting channel (2), a discharge hole (9) communicated with the top of the box body shell (1) is formed in the top of the left end of the lifting device, screening plant includes sieve (10) and lower sieve board (11), go up sieve (10) and all install in placing the intracavity with lower sieve board (11), go up sieve (10) and be located the top of sieve (11) down, the front end of box shell (1) is provided with and drives sieve (10) and lower sieve board (11) respectively and carry out last vibrating motor (12) and lower vibrating motor (13) that vibrate, be provided with dark check (14) on placing the right side wall in chamber, the top input of dark check (14) is located sieve (11) right side output down under, and the rear end of box shell (1) is provided with and goes out hopper (15) with dark check (14) communicating play.

2. The automatic screening and cleaning device for high-temperature alloy heat-insulating sand according to claim 1, wherein the upper screen plate (10) is provided with an upper vibrator rotating shaft (16) and an upper vibrator rotating shaft (17) at the left end and the right end, respectively, the upper vibrator rotating shaft (17) is rotatably connected with the box body shell (1), and the upper vibrator rotating shaft (16) is connected with the output end of the upper vibration motor (12).

3. The automatic screening and cleaning device for high-temperature alloy heat-insulating sand as claimed in claim 2, wherein the left end and the right end of the lower screen plate (11) are respectively provided with a lower rotating shaft (18) and a lower vibrator rotating shaft (19), the lower rotating shaft (18) is rotatably connected with the box body shell (1), and the lower vibrator rotating shaft (19) is connected with the output end of the lower vibration motor (13).

4. The automatic screening and cleaning device for the high-temperature alloy heat-insulating sand according to claim 3, characterized in that when the left end of the upper screen plate (10) is located at the highest position, the upper screen plate (10) is kept in a horizontal state, and when the left end of the upper screen plate (10) is located at the lowest position, the left end of the upper screen plate (10) is inclined downwards by 15 degrees.

5. The automatic screening and cleaning device for the high-temperature alloy heat-insulating sand according to claim 4, wherein when the right end of the lower screen plate (11) is located at the highest position, the lower screen plate (11) is kept in a horizontal state, and when the right end of the lower screen plate (11) is located at the lowest position, the right end of the lower screen plate (11) is inclined downwards by 8 degrees.

6. An automatic screening and cleaning device for high-temperature alloy heat-preservation sand according to claim 5, characterized in that the screen holes of the upper screen plate (10) are larger than those of the lower screen plate (11), a space is left between the left end of the upper screen plate (10) and the left side wall of the placing cavity, and a space is left between the left end of the lower screen plate (11) and the left side wall of the placing cavity.

7. The automatic screening and cleaning device for the high-temperature alloy heat-insulating sand according to claim 6, characterized in that an exhaust gas discharge pipe (20) communicated with the placing cavity is arranged at the rear end of the box body shell (1), and the input end of the exhaust gas discharge pipe (20) is positioned above the upper sieve plate (10).

8. The automatic screening and cleaning device for the high-temperature alloy heat-preservation sand of claim 7, characterized in that a waste sand collecting drawer (21) is arranged at the bottom of the box body shell (1).

9. The automatic screening and cleaning device for the high-temperature alloy heat-preservation sand of claim 8, characterized in that the front end of the box body shell (1) is provided with an observation window (22), and the observation window (22) is opposite to the upper sieve plate (10) and the lower sieve plate (11).

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