CN112874946A

CN112874946A - Cement feeding device capable of reducing cement raising dust

Info

Publication number: CN112874946A
Application number: CN202110039956.2A
Authority: CN
Inventors: 夏跃琴
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-13
Filing date: 2021-01-13
Publication date: 2021-06-01

Abstract

The invention relates to the field of buildings, and particularly discloses a cement feeding device capable of reducing cement dust, which comprises a shell, a placing groove, a discharging pipe, a conveying belt and a guide plate, wherein the shell is provided with a plurality of through holes; a bag breaking opening is formed between the bottom of the placing groove and the shell, a bag breaking plate moving in the vertical direction is arranged on the inner side of the bag breaking opening, a plurality of bag breaking conical heads are uniformly and fixedly arranged on the side wall of the bag breaking plate facing the bag breaking opening, and the lower end of the bag breaking plate is connected with a steel cable; a sliding sleeve is sleeved outside the driving rod, a horizontal connecting rod is fixedly connected to the sliding sleeve, and the connecting rod is fixedly connected to the lifting rod; an exhaust fan is communicated with the top of the shell. According to the invention, the cement bag is punctured through the movable bag breaking plate arranged at the opening of the bag breaking plate, the cement in the cement bag falls, the opening at the lower end of the bag breaking plate is smaller, the cement falls intelligently, and the packaging bag still remains in the placing groove, so that the packaging bag is prevented from entering the stirring equipment, and the construction quality of a building is ensured.

Description

Cement feeding device capable of reducing cement raising dust

Technical Field

The invention relates to the field of buildings, in particular to a cement feeding device capable of reducing cement flying dust.

Background

Cement is a common building material in building construction, and in the building construction process, bagged cement needs to be broken and poured into mixing equipment one by one, so that the cement, water, stones and the like are mixed together for building construction. When the bagged cement is poured into the equipment, the cement can be raised and suspended in the ambient air, so that the ambient air is polluted, the working environment of workers is worse, and the health of the workers is influenced. Some cement loading attachment of current also can make cement break the bag wherein, take away cement through the air exhauster, need great fan to cement removes in the pipeline, and after breaking the bag, the unable convenient separation of wrapping bag makes the equipment operation unchangeable, consequently, need improve current cement loading attachment, solves above-mentioned problem.

Disclosure of Invention

The invention aims to provide a cement feeding device capable of reducing cement dust so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a cement feeding device capable of reducing cement dust comprises a shell, a placing groove, a discharging pipe, a conveying belt and a material guide plate; a placing groove is fixedly arranged on the outer side of the middle part of the right end of the shell, a cement bag is directly placed in the placing groove, the bottom of the placing groove is an inclined plane, the cement bag falling into the placing groove is attached to the outer wall of the shell, a bag opening is formed between the bottom of the placing groove and the shell, and the cement bag is close to the bag opening; a horizontal conveying belt is arranged on the inner side of the shell and below the bag breaking opening, the conveying belt extends to the left end of the shell leftwards, a material guide plate is arranged between the bag breaking opening and the conveying belt, cement falling from the bag breaking opening is conveyed onto the conveying belt, the conveying belt conveys the cement leftwards, a discharge pipe is communicated with the bottom of the shell corresponding to the left end of the conveying belt, the left end of the conveying belt is aligned with the discharge pipe, and the cement on the conveying belt falls into the discharge pipe after moving to the left end and is discharged from the discharge pipe; the inner side of the bag breaking opening is provided with a bag breaking plate moving in the vertical direction, the top of the bag breaking plate is rotatably connected to the inner wall of the shell through a horizontal rotating shaft, the bag breaking plate rotates around the rotating shaft to change the distance between the bag breaking plate and the bag breaking opening, the bag breaking plate moves inwards and is opened for a certain distance, cement at the bottom of the placing groove falls down, most of the cement falls onto the conveying belt, and the cement is conveyed through the conveying belt; the bag breaking plate is characterized in that a plurality of bag breaking conical heads are uniformly and fixedly mounted on the side wall of the bag breaking plate facing to a bag breaking opening, the bag breaking plate moves towards the bag breaking opening, the cement bag placed at the bag breaking opening is pierced through the bag breaking conical heads, the cement bag is broken, the cement in the bag is leaked out, the lower end of the bag breaking plate is connected with a steel cable, the upper end of the steel cable is fixedly connected to a connecting block, a vertical lifting rod is fixed on the connecting block, the lifting rod slides out of the top of the shell and moves up and down through the lifting rod, the lower end of the bag breaking plate is pulled to swing, the distance between the lower end of the bag breaking plate and the bag breaking opening is changed, the lower end of the bag breaking plate moves inwards, the openings of the bag breaking opening and the lower end of the bag breaking plate are enlarged, the bag breaking conical heads can be; the left side of the bag breaking plate is provided with a driving block, the driving block is attached to the side wall of the bag breaking plate to move, the top end of the driving block is fixedly connected with a vertical driving rod, the upper end of the driving rod is fixedly connected to a vertical driving cylinder, the driving block is driven by the driving cylinder to move up and down, and when the driving block moves downwards, the bag breaking plate can be pushed to move towards the opening of the bag to provide enough pressure for a connecting block, so that a bag breaking conical head penetrates into a cement bag; the outer side of the driving rod is sleeved with a sliding sleeve, the length of the driving block is greater than the width of the sliding sleeve, the driving block moves upwards and is in contact with the sliding sleeve to drive the sliding sleeve to move upwards, a horizontal connecting rod is fixedly connected to the sliding sleeve, the connecting rod is fixedly connected to a lifting rod, and when the driving block drives the sliding sleeve to move upwards, the lifting rod moves upwards to pull the lower end of the bag breaking plate to move, so that the lower end of the bag breaking plate moves towards the left side; a limiting block fixed in the shell is arranged below the connecting rod, the connecting rod is supported by the limiting block after the sliding sleeve is separated from the driving block, and the connecting rod is arranged on the limiting block when the bag breaking plate is located at a vertical position; the top of the shell is communicated with an exhaust fan, and air in the placing groove flows into the bag breaking opening through the exhaust fan, so that dust is reduced from moving outwards.

Further: the bag breaking conical head is of a conical structure, and a blade is arranged on the outer side wall of the cone.

Further: the distance between the driving block and the bag breaking plate is less than 1 mm.

Further: the top of the drive block contacts with the sliding sleeve when the lower end of the drive block is parallel and level with the through broken center shaft of the rotating shaft, so that the drive block can push the sliding sleeve to move upwards after being separated from the broken bag plate.

Further: the bag breaking plate is provided with a plurality of material sucking holes, and the negative pressure generated inside the bag breaking plate enables cement in the cement bag to enter the shell through the material sucking holes.

Further: the exhaust fan is positioned on the left side of the top of the shell, a first filter screen and a second filter screen are symmetrically arranged below the exhaust fan, the first filter screen and the first filter screen form a semi-cylindrical structure, the first filter screen and the second filter screen are bent downwards, and cement in the air inside is filtered through the first filter screen and the second filter screen; the first filter screen and the second filter screen are rotatably connected through a horizontal pin shaft, so that the first filter screen and the second filter screen can relatively rotate for a certain angle, the first filter screen and the second filter screen can vibrate to shake down cement filtered on the first filter screen and the second filter screen, tangential vertical plates are fixed at the top ends of the first filter screen and the second filter screen, the upper ends of the vertical plates are hermetically connected to the top of the shell, air is drawn through an exhaust fan to filter on the first filter screen and the second filter screen, and the cement is left in the shell; the utility model discloses a novel filter screen, including casing, motor, movable plate, drive shaft, be provided with the drive shaft that is located first filter screen center epaxial in the casing, the motor is connected to the outer end of drive shaft, it rotates to drive the drive shaft, be fixed with arc structure's movable plate through the connecting rod in the drive shaft, the movable plate sets up with the drive shaft is coaxial, the area of movable plate is greater than the area of first filter screen, be less than first filter screen, the area sum of second filter screen, make the movable plate can cover the inboard at first filter screen or second filter screen completely, it is sealed with first filter screen or second filter screen, when the movable plate covers on first filter screen or second filter screen completely like this, the interior air flow that has when first.

Further: all install vibrating motor on the lateral wall of vertical board, make the first filter screen of both sides, second filter screen shake under vibrating motor's drive, when the movable plate covers completely on first filter screen or second filter screen, provide the shake, make its overhead filterable cement break away from fast.

Further: the sealing cover is fixed on the top of the shell corresponding to the upper end of the vertical plate, the top of the vertical plate slides and extends into the sealing cover, the sliding plate is fixed on the top of the vertical plate, the sliding plate is connected inside the sealing cover in a sliding mode, a plurality of vertical supporting springs are fixedly connected to the top of the sliding plate, the upper ends of the supporting springs are fixed to the top of the sealing cover, the sliding plate is supported through the supporting springs, and the vertical plate can shake up and down conveniently.

Compared with the prior art, the invention has the beneficial effects that: according to the invention, the cement bag is punctured through the movable bag breaking plate arranged at the opening of the bag breaking plate, the cement in the cement bag falls, the opening at the lower end of the bag breaking plate is smaller, the cement falls intelligently, and the packaging bag still stays in the placing groove, so that the packaging bag is prevented from entering the stirring equipment, and the construction quality of a building is ensured; the cement is in the shell from the bag breaking to the feeding equipment, and the cement in the shell cannot be raised outwards, so that the cement in the ambient air is reduced, the ambient environment is protected, and the health of workers is guaranteed; inside cement that follows the air current falls into the conveyer belt of below under the effect of two filter screens, avoids blockking up the mesh, has guaranteed the utilization to cement.

Drawings

Fig. 1 is a schematic structural diagram of a cement feeding device capable of reducing cement dust.

Fig. 2 is a schematic structural diagram of a bag breaking plate in a cement feeding device capable of reducing cement dust.

Fig. 3 is an enlarged schematic view of a in fig. 1.

In the figure: 1-shell, 2-placement groove, 3-discharge pipe, 4-conveying belt, 5-guide plate, 6-bag opening, 7-bag breaking plate, 8-rotating shaft, 9-driving block, 10-driving cylinder, 11-driving rod, 12-sliding sleeve, 13-connecting rod, 14-limiting block, 15-lifting rod, 16-connecting block, 17-steel cable, 18-bag breaking conical head, 19-suction hole, 20-exhaust fan, 21-first filter screen, 22-second filter screen, 23-pin shaft, 24-vertical plate, 25-moving plate, 26-driving shaft, 27-vibrating motor, 28-sealing cover, 29-sliding plate and 30-supporting spring.

Detailed Description

Example 1

Referring to the drawings, in the embodiment of the invention, a cement feeding device capable of reducing cement dust raising comprises a shell 1, a placing groove 2, a discharging pipe 3, a conveying belt 4 and a material guide plate 5; a placing groove 2 is fixedly arranged on the outer side of the middle part of the right end of the shell 1, a cement bag is directly placed in the placing groove 2, the bottom of the placing groove 2 is an inclined plane, the cement bag falling into the placing groove 2 is attached to the outer wall of the shell 1, a bag breaking opening 6 is formed between the bottom of the placing groove 2 and the shell 1, and the cement bag is close to the bag breaking opening 6; the inboard of casing 1 and the below that is located broken sack 6 is provided with horizontally conveyer belt 4, conveyer belt 4 extends to the left end of casing 1 left, be provided with stock guide 5 between broken sack 6 and conveyer belt 4, on conveyer belt 4 is sent into to the cement that falls in broken sack 6, carry cement left through conveyer belt 4, the intercommunication has row material pipe 3 on 1 bottoms of casing that the left end of conveyer belt 4 corresponds, the left end of conveyer belt 4 aligns with row material pipe 3, fall into row material pipe 3 behind the cement that makes on the conveyer belt 4 remove the left end in, discharge from row material pipe 3.

A bag breaking plate 7 moving in the vertical direction is arranged on the inner side of the bag breaking opening 6, the top of the bag breaking plate 7 is rotatably connected to the inner wall of the shell 1 through a horizontal rotating shaft 8, the bag breaking plate 7 rotates around the rotating shaft 8, the distance between the bag breaking plate and the bag breaking opening 6 is changed, the bag breaking plate 7 moves inwards and is opened for a certain distance, cement at the bottom of the placing groove 2 falls, most of the cement falls onto the conveying belt 4, and the cement is conveyed through the conveying belt 4; the bag breaking plate 7 is uniformly and fixedly provided with a plurality of bag breaking conical heads 18 on the side wall facing the bag breaking opening 6, the bag breaking conical heads 18 are of a conical structure, blades are arranged on the outer side wall of the cone, the bag breaking plate 7 moves towards the bag breaking opening 6, the cement bag placed at the bag breaking opening 6 is punctured by the bag breaking conical heads 18, the cement bag is broken, the internal cement leaks out, the lower end of the bag breaking plate 7 is connected with a steel cable 17, the upper end of the steel cable 17 is fixedly connected to a connecting block 16, a vertical lifting rod 15 is fixed on the connecting block 16, the lifting rod 15 slides and extends out of the top of the shell 1, the lifting rod 15 moves up and down to pull the lower end of the bag breaking plate 7 to swing, the distance between the lower end of the bag breaking plate 7 and the bag breaking opening 6 is changed, the lower end of the bag breaking plate 7 moves inwards, the openings at the lower ends of the bag breaking opening 6 and the bag breaking plate 7 are enlarged, and the, the cement in the cement bag falls down and enters the conveyer belt 4; the bag breaking plate is characterized in that a driving block 9 is arranged on the left side of the bag breaking plate 7, the distance between the driving block 9 and the bag breaking plate 7 is smaller than 1mm, the driving block 9 is attached to the side wall of the bag breaking plate 7 to move, a vertical driving rod 11 is fixedly connected to the top end of the driving block 9, the upper end of the driving rod 11 is fixedly connected to a vertical driving cylinder 10, the driving block 9 is driven by the driving cylinder 10 to move up and down, when the driving block 9 moves downwards, the bag breaking plate 7 can be pushed to move towards a bag breaking opening 6, sufficient pressure is provided for a connecting block 16, and a bag breaking conical head 18 is enabled to penetrate into a cement bag; a sliding sleeve 12 is sleeved outside the driving rod 11, the length of the driving block 9 is greater than the width of the sliding sleeve 12, the driving block 9 moves upwards and contacts with the sliding sleeve 12 to drive the sliding sleeve 12 to move upwards, preferably, when the lower end of the driving block 9 is horizontally aligned with a through center shaft of the rotating shaft 8, the top end of the driving block 9 contacts with the sliding sleeve 12, so that after the driving block 9 is separated from the bag breaking plate 7, the sliding sleeve 12 can be pushed to move upwards, a horizontal connecting rod 13 is fixedly connected to the sliding sleeve 12, the connecting rod 13 is fixedly connected to the lifting rod 15, and when the driving block 9 drives the sliding sleeve 12 to move upwards, the lifting rod 15 moves upwards to pull the lower end of the bag breaking plate 7 to move, so that the lower end of the bag breaking plate 7 moves towards the left; a limiting block 14 fixed in the shell 1 is arranged below the connecting rod 13, the connecting rod 13 is supported by the limiting block 14 after the sliding sleeve 12 is separated from the driving block 9, and the connecting rod 13 is arranged on the limiting block 14 when the bag breaking plate 7 is located at a vertical position.

The top of the shell 1 is communicated with an exhaust fan 20, air in the placing groove 2 flows into the bag breaking opening 6 through the exhaust fan 20, dust is reduced to move outwards, the bag breaking plate 7 is provided with a plurality of material sucking holes 19, and the cement in the cement bag enters the shell 1 through the material sucking holes 19 due to the negative pressure generated inside.

Example 2

On the basis of embodiment 1, the exhaust fan 20 is located on the left side of the top of the housing 1, a first filter screen 21 and a second filter screen 22 are symmetrically arranged below the exhaust fan 20, the first filter screen 21 and the first filter screen 21 form a semi-cylindrical structure, the first filter screen 21 and the second filter screen 22 are bent downwards, and cement in the internal air is filtered through the first filter screen 21 and the second filter screen 22; the first filter screen 21 and the second filter screen 22 are rotatably connected through a horizontal pin shaft 23, so that the first filter screen 21 and the second filter screen 22 can relatively rotate by a certain angle, the first filter screen 21 and the second filter screen 22 can vibrate to shake off filtered cement on the first filter screen 21 and the second filter screen 22, tangential vertical plates 24 are fixed at the top ends of the first filter screen 21 and the second filter screen 22, the upper ends of the vertical plates 24 are hermetically connected to the top of the shell 1, air is sucked through the exhaust fan 20 to filter the first filter screen 21 and the second filter screen 22, and the cement is left in the shell 1; the casing 1 is internally provided with a driving shaft 26 positioned on the central shaft of the first filter screen 21, the outer end of the driving shaft 26 is connected with a motor to drive the driving shaft 26 to rotate, a moving plate 25 with an arc structure is fixed on the driving shaft 26 through a connecting rod, the moving plate 25 and the driving shaft 26 are coaxially arranged, the area of the moving plate 25 is larger than that of the first filter screen 21 and smaller than the sum of the areas of the first filter screen 21 and the second filter screen 22, so that the moving plate 25 can completely cover the inner side of the first filter screen 21 or the second filter screen 22, and the first filter screen 21 or the second filter screen 22 is sealed, therefore, when the moving plate 25 completely covers the first filter screen 21 or the second filter screen 22, air flows in the first filter screen 21 or the second filter screen 22, so that cement attached to the moving plate falls off and falls.

The side walls of the vertical plates 24 are respectively provided with a vibration motor 27, so that the first filter screen 21 and the second filter screen 22 on the two sides can shake under the driving of the vibration motors 27, and when the moving plate 25 completely covers the first filter screen 21 or the second filter screen 22, the shaking is provided, and cement filtered on the moving plate can be quickly separated; a sealing cover 28 is fixed on the top of the housing 1 corresponding to the upper end of the vertical plate 24, the top of the vertical plate 24 extends into the sealing cover 28 in a sliding manner, a sliding plate 29 is fixed on the top of the vertical plate 24, the sliding plate 29 is connected inside the sealing cover 28 in a sliding manner, a plurality of vertical supporting springs 30 are fixedly connected on the top of the sliding plate 29, the upper ends of the supporting springs 30 are fixed on the top of the sealing cover 28, the sliding plate 29 is supported through the supporting springs 30, and the vertical plate 24 can shake up and down conveniently.

When the cement bag breaking device is used, a cement bag is placed into the placing groove 2, the driving cylinder 10 is started, the driving cylinder 10 moves downwards, the driving block 9 pushes the bag breaking plate 7 to be attached to the bag breaking opening 6, the bag breaking conical head 18 on the bag breaking plate 7 is penetrated into the cement bag, the cement bag is broken, the driving block 9 moves upwards to the top end of the bag breaking plate 7 to drive the lifting rod 15 to move upwards, the steel cable 17 pulls the lower end of the bag breaking plate 7 to move, the bag breaking conical head 18 is separated from the cement bag, cement in the cement bag falls down, an opening is opened between the lower end of the bag breaking plate 7 and the bag breaking opening 6, the cement falls down, air is sucked inside, a part of cement is sucked into the shell 1 through the material sucking hole 19, the cement packaging bag is left in the placing groove 2, and the distance between the lower end of the bag breaking plate 7 and the bag breaking opening 6 does not enable the packaging bag to fall into the shell 1, so that the packaging bag is left; meanwhile, the driving shaft 26 inside the cement mortar discharging device rotates, the moving plate 25 intermittently coincides with the first filter screen 21 and the second filter screen 22, no air flows from the moving plate after the moving plate is completely coincided with the first filter screen 21 or the second filter screen 22, cement loses suction force and falls down, the cement is conveniently separated from the first filter screen 21 and the second filter screen 22, and finally the cement falls down from the discharging pipe 3.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A cement feeding device capable of reducing cement dust comprises a shell (1), a placing groove (2), a discharging pipe (3), a conveying belt (4) and a material guide plate (5); a placing groove (2) is fixedly installed on the outer side of the middle of the right end of the shell (1), the bottom of the placing groove (2) is an inclined plane, a bag breaking opening (6) is formed between the bottom of the placing groove (2) and the shell (1), a horizontal conveying belt (4) is arranged on the inner side of the shell (1) and below the bag breaking opening (6), the conveying belt (4) extends to the left end of the shell (1) leftwards, a guide plate (5) is arranged between the bag breaking opening (6) and the conveying belt (4), and a discharging pipe (3) is communicated with the bottom of the shell (1) corresponding to the left end of the conveying belt (4); the bag breaking device is characterized in that a bag breaking plate (7) moving in the vertical direction is arranged on the inner side of the bag breaking opening (6), the top of the bag breaking plate (7) is rotatably connected to the inner wall of the shell (1) through a horizontal rotating shaft (8), and a plurality of bag breaking conical heads (18) are uniformly and fixedly mounted on the side wall of the bag breaking plate (7) facing the bag breaking opening (6);

the lower end of the bag breaking plate (7) is connected with a steel cable (17), the upper end of the steel cable (17) is fixedly connected to a connecting block (16), a vertical lifting rod (15) is fixed on the connecting block (16), and the lifting rod (15) extends out of the top of the shell (1) in a sliding mode;

a driving block (9) is arranged on the left side of the bag breaking plate (7), the driving block (9) is attached to the side wall of the bag breaking plate (7) to move, a vertical driving rod (11) is fixedly connected to the top end of the driving block (9), and the upper end of the driving rod (11) is fixedly connected to a vertical driving cylinder (10); a sliding sleeve (12) is sleeved on the outer side of the driving rod (11), the length of the driving block (9) is greater than the width of the sliding sleeve (12), a horizontal connecting rod (13) is fixedly connected to the sliding sleeve (12), and the connecting rod (13) is fixedly connected to a lifting rod (15); a limiting block (14) fixed in the shell (1) is arranged below the connecting rod (13), and the connecting rod (13) is supported by the limiting block (14) after the sliding sleeve (12) is separated from the driving block (9);

an exhaust fan (20) is communicated with the top of the shell (1).

2. The cement feeding device capable of reducing cement raise dust according to claim 1, characterized in that: the bag breaking conical head (18) is of a conical structure, and a blade is arranged on the outer side wall of the cone.

3. The cement feeding device capable of reducing cement raise dust according to claim 1, characterized in that: the distance between the driving block (9) and the bag breaking plate (7) is less than 1 mm.

4. The cement feeding device capable of reducing cement flying dust according to claim 3, characterized in that: the top end of the driving block (9) is contacted with the sliding sleeve (12) when the lower end of the driving block (9) is horizontally level with the through center shaft of the rotating shaft (8).

5. The cement feeding device capable of reducing cement raise dust according to claim 1, characterized in that: the bag breaking plate (7) is provided with a plurality of material suction holes (19).

6. A cement feeding device capable of reducing cement raise dust according to any one of claims 1 to 5, characterized in that: the exhaust fan (20) is positioned on the left side of the top of the shell (1), a first filter screen (21) and a second filter screen (22) are symmetrically arranged below the exhaust fan (20), and the first filter screen (21) form a semi-cylindrical structure; the first filter screen (21) and the second filter screen (22) are rotatably connected through a horizontal pin shaft (23), tangential vertical plates (24) are fixed at the top ends of the first filter screen (21) and the second filter screen (22), and the upper ends of the vertical plates (24) are hermetically connected to the top of the shell (1); be provided with in casing (1) and be located first filter screen (21) epaxial drive shaft (26) of center, be fixed with movable plate (25) of arc structure through the connecting rod on drive shaft (26), movable plate (25) and drive shaft (26) coaxial setting, the area of movable plate (25) is greater than the area of first filter screen (21), is less than the area sum of first filter screen (21), second filter screen (22).

7. The cement feeding device capable of reducing cement raise dust according to claim 6, characterized in that: and the side walls of the vertical plates (24) are provided with vibration motors (27).

8. The cement feeding device capable of reducing cement raise dust according to claim 7, characterized in that: be fixed with sealed cowling (28) on casing (1) top that the upper end of vertical board (24) corresponds, the top of vertical board (24) slides and stretches into in sealed cowling (28) to be fixed with sliding plate (29) on the top of vertical board (24), sliding plate (29) sliding connection is inside sealed cowling (28), fixedly connected with a plurality of vertical supporting spring (30) on the top of sliding plate (29), the upper end of supporting spring (30) is fixed on the top of sealed cowling (28).