Light wallboard die cavity cleaning device

Abstract

The invention discloses a light wallboard die cavity cleaning device. Comprising a rotating shaft vertically inserted into a die cavity, at least one movable plate arranged on the lower portion of the rotating shaft in the circumferential direction, bristles arranged outside the movable plate, a compensation unit arranged on the rotating shaft and used for driving the movable plate to move in the radial direction of the rotating shaft, and a driving unit arranged above the die cavity and used for driving the rotating shaft to rotate. After the bristles are abraded, the push-pull mechanism pulls the pull rod in the center of the rotating shaft upwards, and when the pull rod moves upwards, the circular-truncated-cone-shaped part on the pull rod pushes the push rod in the movable plate outwards, so that the movable plate moves outwards in the radial direction of the rotating shaft, the abrasion loss of the bristles is compensated, and the service life of the bristles can be prolonged.

Description

Technical Field

[0001] The invention relates to the technical field of prefabricated wallboard production equipment, and in particular to a lightweight wallboard mold cavity cleaning device. Background Art

[0002] Lightweight wall panels are a common prefabricated component in the construction field, which can speed up the construction progress of buildings and improve work efficiency. Lightweight wall panels are cast in a mold, and a groove-shaped mold cavity consistent with the shape of the lightweight wall panels is provided in the mold. During production, the mold cavity needs to be cleaned first. Usually, a vertical cylindrical brush is used to move from one end of the mold cavity to the other end of the mold cavity along the length direction of the mold cavity. When the brush rotates, the mold cavity is cleaned to clean the attachments on the mold cavity. Because the bristles on the surface of the brush contact the inner wall of the mold cavity when the brush cleans the mold cavity, friction will be generated. The mold is made of steel with high hardness, so the bristles will wear quickly. Once the length of the bristles becomes shorter, it will affect the cleaning effect of the attachments, resulting in a gradual deterioration of the cleaning effect. Once the bristles are worn to the point that they cannot contact the mold cavity, even if there are residual bristles, the entire brush needs to be replaced, and the replacement frequency is high, resulting in an increase in production costs.

[0003] In addition, when the bristles are in contact with the mold cavity, not only the ends of the bristles are in contact with the inner wall of the mold cavity, but also the outer wall of the bristles close to the outer ends of the bristles will rub against the mold cavity. Therefore, increasing the length of the bristles to increase the service life of the brush is not very effective. This is because as the bristles grow, only the length of the part where the bristles are in contact with the inner wall of the mold cavity will increase, and the part of the bristles in contact with the mold cavity will wear out due to friction with the mold cavity.

[0004] The patent with the publication number CN112720039A discloses a slot cleaning device for mold processing, wherein two pads are connected to the support base, each of which is provided with a roller group, the roller group is composed of a first roller, a second roller, a third roller and a fourth roller, and the first roller, the second roller, the third roller and the fourth roller are all rotatably connected to the pad. The slot is cleaned by rotating a brush that moves downward, but the brush is cylindrical, and the bristles on the surface are fixed to the body. After the bristles are worn, only the entire brush can be replaced, so the production cost is high.

[0005] The patent with publication number CN221694689U discloses an oxygen bomb cleaning device, including an oxygen bomb body, a column, a rotating assembly, a cleaning assembly, and a first lifting assembly. The cleaning assembly is arranged above the oxygen bomb body through the first lifting assembly and can reciprocate in the vertical direction to clean the inner wall of the oxygen bomb body. However, the cylindrical brush on the rotating assembly also needs to be replaced as a whole after being worn. Summary of the invention

[0006] The technical problem to be solved by the present invention is to provide a lightweight wall panel mold cavity cleaning device, which is used to solve the problem of short service life of the brush when a cylindrical brush is used to clean the mold cavity.

[0007] In order to solve the above technical problems, the technical solution adopted by the present invention is:

[0008] A lightweight wall panel mold cavity cleaning device includes a rotating shaft vertically inserted into the mold cavity, at least one movable plate arranged at the lower part of the rotating shaft along the circumferential direction, bristles arranged outside the movable plate, a compensation unit arranged on the rotating shaft for driving the movable plate to move radially along the rotating shaft, and a driving unit arranged above the mold cavity for driving the rotating shaft to rotate.

[0009] Furthermore, the rotating shaft is a hollow tube, and the compensation unit includes a push rod arranged on the inner side of the movable plate. The outer end of the push rod is fixedly connected to the movable plate, and the push rod is slidably connected to the side wall of the rotating shaft. A vertical pull rod is slidably connected inside the rotating shaft, and the inner end of the push rod is against the pull rod. The part where the pull rod and the push rod cooperate is a truncated cone with a smaller diameter at the top and a larger diameter at the bottom. The movable plate is covered with a second annular spring, and the upper part of the rotating shaft is provided with a push-pull mechanism for driving the pull rod to move up and down.

[0010] Furthermore, the push-pull mechanism includes two bowl-shaped drive plates that are buckled together, and the two drive plates are both sleeved outside the rotating shaft. The lower drive plate is fixedly connected to the rotating shaft, and the upper drive plate is slidably matched with the rotating shaft. Radial slide grooves are provided in the two drive plates, and the slide grooves of the two drive plates correspond to each other one by one. Balls are provided in the slide grooves. A drive rod is fixedly connected to the upper part of the upper drive plate, and the drive rod is fixedly connected to the pull rod. The drive rod radially penetrates the rotating shaft, and a vertical strip-shaped slide hole is provided on the side wall of the rotating shaft at a position corresponding to the drive rod. The rotating shaft is provided with a first spring for applying downward pressure to the upper drive plate, and under the action of the first spring, the ball is clamped between the two drive plates.

[0011] Furthermore, the push-pull mechanism includes a vertical rack fixedly arranged on the outside of the pull rod, a gear meshing with the rack, a rocker arm fixedly connected to the gear at one end, and a heavy ball fixedly connected to the other end of the rocker arm; the rocker arm is arranged along the radial direction of the gear, the heavy ball is higher than the center of the gear, the gear is rotatably connected to the rotating shaft, and a torsion spring is provided between the gear and the rotating shaft.

[0012] Furthermore, the rotating shaft is threadedly connected with a round nut above the driving disk, and two ends of the first spring respectively abut against the bottom surface of the round nut and the top surface of the driving disk.

[0013] Furthermore, it also includes tracks arranged on both sides above the mold cavity along the length direction of the mold cavity, both tracks are provided with cranes, a crossbeam is provided between the two cranes, and the driving unit is arranged on the crossbeam.

[0014] Furthermore, the driving unit includes a reducer, a motor with adjustable speed connected to the reducer, and a bearing seat arranged below the reducer. The bearing seat and the reducer are fixedly connected to the crossbeam. The upper end of the rotating shaft passes through the bearing seat and is connected to the reducer. The rotating shaft is rotatably connected to the crossbeam through the bearing seat.

[0015] The positive effects of the present invention are:

[0016] The present invention comprises a rotating shaft, a movable plate, bristles arranged on the outer surface of the movable plate, a compensation unit arranged on the rotating shaft for driving the movable plate to move radially along the rotating shaft, and a driving unit for driving the rotating shaft to rotate. When the bristles are worn, the push-pull mechanism pulls the pull rod at the center of the rotating shaft upward, and when the pull rod moves upward, the truncated cone-shaped part on the pull rod pushes the push rod inside the movable plate outward, so that the movable plate moves radially outward along the rotating shaft, compensating for the wear of the bristles, and extending the working life of the bristles. When the bristles reach the end of their service life, the movable plate can be easily replaced, thereby replacing new bristles without replacing the rotating shaft, thereby reducing the production cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of embodiments 1 and 2;

[0018] Figure 2 yes Figure 1 Right view of;

[0019] Figure 3 yes Figure 1 A partial enlarged view of the middle I part;

[0020] Figure 4 yes Figure 1 A partial enlarged view of the middle II part;

[0021] Figure 5 yes Figure 4 Cross-sectional view of the middle AA part;

[0022] Figure 6 yes Figure 3 Cross-sectional view of the middle BB area;

[0023] Figure 7 is a schematic structural diagram of the push-pull mechanism in Example 3;

[0024] In the figure:

[0025] 1. Motor; 2. Reducer; 3. Bearing seat; 4. Rotating shaft; 5. Drive unit; 6. Cavity; 7. Mold; 8. Round nut; 9. First spring; 10. Drive rod; 11. Drive plate; 12. Ball; 13. Set screw; 14. Slide hole; 15. Pull rod; 16. Push rod; 17. Brush; 18. Cover; 19. Second spring; 20. Movable plate; 21. Traveling plate; 22. Track; 23. Crossbeam; 24. Slide; 25. Rack; 26. Gear; 27. Rocker; 28. Heavy ball; 29. ​​Torsion spring. DETAILED DESCRIPTION

[0026] For the convenience of description, in the following description, the direction consistent with the track 22 is referred to as "longitudinal", and the direction perpendicular to the track 22 in the horizontal plane is referred to as "lateral".

[0027] Example 1

[0028] like Figure 1 , Figure 2 , Figure 4 and Figure 5 As shown, a lightweight wall panel mold cavity cleaning device includes three cleaning components, each of which includes a rotating shaft 4 vertically inserted into the mold cavity 6 of the mold 7, ten movable plates 20 arranged at the lower part of the rotating shaft 4 along the circumferential direction, bristles 17 arranged outside each movable plate 20, a compensation unit arranged on the rotating shaft 4 for driving the movable plate 20 to move radially along the rotating shaft 4, and a driving unit 5 arranged above the mold cavity 6 for driving the rotating shaft 4 to rotate. The movable plates 20 are all vertically long strips, the length of the movable plates 20 is consistent with the height of the mold cavity 6, and the bristles 17 are evenly distributed vertically along the movable plates 20.

[0029] The rotating shaft 4 is a hollow tube, and a plug 18 is threadedly connected to the lower end of the rotating shaft 4. The compensation unit includes a push rod 16 arranged on the inner side of the movable plate 20, the cross section of the push rod 16 is rectangular, the outer end of the push rod 16 is fixedly connected to the inner side of the movable plate 20, the push rod 16 is slidably connected to the side wall of the rotating shaft 4, and a vertical pull rod 15 is slidably connected inside the rotating shaft 4, the inner end of the push rod 16 is against the pull rod 15, and the part where the pull rod 15 and the push rod 16 match is a truncated cone with a smaller diameter at the top and a larger diameter at the bottom, and the inside of the push rod 16 is an inclined surface for matching with the corresponding truncated cone surface on the pull rod 15. The movable plate 20 is provided with an arc-shaped groove, and the movable plate 20 is provided with an annular second spring 19 in the groove, and the second spring 19 is two springs arranged near the upper and lower ends of the movable plate 20. Under the elastic action of the second spring 19, the ten movable plates 20 are pressed inwardly so that the inner end of the push rod 16 is always pressed against the pull rod 15. The upper part of the rotating shaft 4 is provided with a push-pull mechanism for driving the pull rod 15 to move up and down.

[0030] In this embodiment, the number of molds 7 is three and the molds 7 are evenly spaced, and the three cleaning assemblies correspond to the three molds 7. Above the molds 7, rails 22 are arranged on both sides of the mold cavity 6 along the length direction of the mold cavity 6. The two rails 22 are located above the outer sides of the two outer molds 7. Both rails 22 are provided with cranes 21. A crossbeam 23 is arranged between the two cranes 21. The driving units 5 of the three cleaning assemblies are arranged on the crossbeam 23.

[0031] The traveling crane 21 uses a motor to drive the track wheel to rotate, realizes longitudinal travel on the track 22, and then drives the crossbeam 23 and the three cleaning components to move longitudinally. The structure formed by the traveling crane 21, the guide rail 22 and the crossbeam 23 is the same as the walking part structure of the existing overhead crane, and will not be repeated here.

[0032] The driving unit 5 includes a reducer 2, a motor 1 connected to the top of the reducer 2, and a bearing seat 3 arranged below the reducer 2. The bearing seat 3 and the reducer 2 are both fixedly connected to the crossbeam 23. The upper end of the rotating shaft 4 passes through the bearing seat 3 and is connected to the reducer 2. The rotating shaft 4 is rotatably connected to the crossbeam 23 through the bearing seat 3. When the motor 1 is running, it drives the rotating shaft 4 to rotate, and then drives the bristles 17 to rotate around the center of the rotating shaft 4. At the same time, the traveling crane 21 drives the rotating shaft 4 to move longitudinally, thereby cleaning the inner wall of the mold cavity 6.

[0033] When the bristles 17 are worn, the push-pull mechanism pulls the pull rod 15 upward. When the pull rod 15 moves upward, the truncated cone-shaped portion on the pull rod 15 pushes the push rod 16 outward, so that the movable plate 20 moves radially outward along the rotating shaft 4, thereby compensating for the wear of the bristles 17 and extending the service life of the bristles 17.

[0034] When the bristles 17 reach the end of their service life, the second spring 19 can be removed and the movable plate 20 can be easily replaced, thereby replacing new bristles 17 without replacing the rotating shaft 4, thereby reducing production costs.

[0035] Therefore, the present invention can lengthen the bristles 17 and compensate for the wear of the bristles 17 , thereby preventing the overly long bristles 17 from contacting the inner wall of the mold cavity 6 , thereby extending the service life of the bristles 17 .

[0036] Example 2

[0037] Combination Figure 3 As shown, the difference between this embodiment and embodiment 1 is that:

[0038] The push-pull mechanism includes two bowl-shaped drive disks 11 buckled together, both drive disks 11 are sleeved outside the rotating shaft 4, the lower drive disk 11 is fixedly connected to the rotating shaft 4 by a set screw 13 screwed on the lower part of the drive disk 11, and the upper drive disk 11 is slidably matched with the rotating shaft 4. The two drive disks 11 are provided with radial grooves 24, which are six grooves evenly distributed in the circumferential direction. The grooves 24 of the two drive disks 11 correspond to each other, and balls 12 are provided in each two corresponding grooves 24 between the two drive disks 11. A cylindrical drive rod 10 is fixedly connected to the upper part of the upper drive disk 11, and the drive rod 10 is fixedly connected to the pull rod 15. The drive rod 10 radially penetrates the rotating shaft 4, and a vertical strip-shaped slide hole 14 is provided on the side wall of the rotating shaft 4 at a position corresponding to the drive rod 10. The rotating shaft 4 is provided with a first spring 9 for applying downward pressure to the upper drive disk 11. Under the action of the first spring 9, the balls 12 are clamped between the two drive disks 11. When the rotating shaft 4 rotates, the two drive disks 11 are driven to rotate, and then the balls 12 are driven to rotate around the center of the rotating shaft 4.

[0039] The motor 1 is controlled by a frequency converter to control the speed of the motor 1. When the bristles 17 are worn, the frequency converter increases the power supply frequency of the motor 1, thereby increasing the speed of the motor 1, and further increasing the speed of the shaft 4. After the speed of the shaft 4 is increased, the rotation speed of the ball 12 around the center of the shaft 4 increases, so the centrifugal force on the ball 12 increases, and the ball 12 is thrown outward along the slide groove 24.

[0040] Since the two drive disks 11 are bowl-shaped, they are thick in the middle and thin at the edges when buckled together, and the inside thereof is a conical surface. Therefore, when the ball 12 swings outward, it pushes the upper drive disk 11 upward, and pulls the pull rod 15 upward through the drive rod 10, and the pull rod 15 pushes the ten push rods 16 outward synchronously, thereby causing the movable plate 20 to drive the bristles 17 to move outward, thereby compensating for the wear of the bristles 17.

[0041] The wear of the bristles 17 can be compensated by changing the power supply frequency of the motor 1 through a frequency converter, and the control is very simple.

[0042] The rotating shaft 4 is threadedly connected with two round nuts 8 above the driving disk 11. The two round nuts 8 are pressed against each other to lock the position of the round nuts 8. The two ends of the first spring 9 are respectively against the bottom surface of the round nut 8 and the top surface of the driving disk 11. The elastic force of the first spring 9 can be adjusted by adjusting the vertical position of the round nut 8, thereby adjusting the speed required for the ball 12 to move the same distance, which is convenient for adjusting the consistency of the three cleaning components.

[0043] In addition, when the bristles 17 currently have a poor cleaning effect due to low rotation speed, the round nut 8 can be screwed downward to increase the elastic force of the first spring 9, and then the rotation speed can be increased so that the upper drive disk 11 reaches the previous position, thereby increasing the cleaning speed of the bristles 17 without changing the contact length between the bristles 17 and the mold cavity 6 to improve the cleaning effect.

[0044] Example 3

[0045] Combination Figure 7 As shown, the difference between this embodiment and embodiment 2 is that:

[0046] The push-pull mechanism adopts another structure. The push-pull mechanism includes two vertical racks 25 fixedly arranged on both sides of the pull rod 15, each of which is meshed with a fan-shaped gear 26. A swing rod 27 is arranged on the gear 26, one end of the swing rod 27 is fixedly connected to the gear 26, and the other end of the swing rod 27 is fixedly connected to a heavy ball 28. The swing rod 27 is arranged along the radial direction of the gear 26, and the heavy ball 28 is higher than the center of the gear 26. The gear 26 is rotatably connected to the rotating shaft 4, and a torsion spring 29 is arranged between the gear 26 and the rotating shaft 4.

[0047] When the shaft 4 rotates, the heavy ball 28 is driven to rotate around the center of the shaft 4 through the swing rod 27. When the shaft 4 stops rotating or rotates at a low speed, the heavy ball 28 is lifted upward under the elastic action of the torsion spring 29. When the bristles 17 are worn, the inverter increases the power supply frequency of the motor 1, thereby increasing the speed of the motor 1, and then increasing the speed of the shaft 4. After the speed of the shaft 4 increases, the centrifugal force on the heavy ball 28 increases, causing the heavy ball 28 to move downward. After the heavy ball 28 moves downward, the swing rod 27 drives the gear 26 to rotate, and then drives the rack 25 and the pull rod 15 to move upward. The pull rod 15 synchronously pushes the ten push rods 16 outward, and then the movable plate 20 drives the bristles 17 to move outward, thereby compensating for the wear of the bristles 17.

[0048] In this embodiment, the power supply frequency of the motor 1 can also be changed by a frequency converter to achieve compensation for the wear of the bristles 17, and the control is very simple.

[0049] The above-mentioned embodiments are described in a relatively detailed and specific manner, expressing the preferred embodiments of the present invention, and are only used to illustrate the technical ideas and features of the present invention. The purpose is to enable technicians in this field to understand the contents of the present invention and implement them accordingly, but are not limited to the present invention. The patent scope of the present invention cannot be limited only by this embodiment, that is, any equivalent changes or modifications made to the spirit disclosed by the present invention, for researchers or technicians in this field, without departing from the structure of the present invention, local improvements within the system and changes and conversions between subsystems, etc., are still within the patent scope of the present invention.

Claims

1. A lightweight wall panel mold cavity cleaning device, characterized in that: The invention comprises a rotating shaft (4) vertically inserted into a mold cavity (6), at least one movable plate (20) arranged at the lower part of the rotating shaft (4) along the circumferential direction, bristles (17) arranged outside the movable plate (20), a compensation unit arranged on the rotating shaft (4) for driving the movable plate (20) to move radially along the rotating shaft (4), and a driving unit (5) arranged above the mold cavity (6) for driving the rotating shaft (4) to rotate.

2. A lightweight wallboard mold cavity cleaning device according to claim 1, characterized in that: The rotating shaft (4) is in the shape of a hollow tube. The compensation unit comprises a push rod (16) arranged on the inner side of the movable plate (20). The outer end of the push rod (16) is fixedly connected to the movable plate (20). The push rod (16) is slidably connected to the side wall of the rotating shaft (4). A vertical pull rod (15) is slidably connected inside the rotating shaft (4). The inner end of the push rod (16) abuts against the pull rod (15). The matching part of the pull rod (15) and the push rod (16) is a truncated cone with a smaller diameter at the top and a larger diameter at the bottom. The movable plate (20) is covered with a second annular spring (19). The upper part of the rotating shaft (4) is provided with a push-pull mechanism for driving the pull rod (15) to move up and down.

3. A lightweight wallboard mold cavity cleaning device according to claim 2, characterized in that: The push-pull mechanism comprises two bowl-shaped drive disks (11) buckled together, the two drive disks (11) are both sleeved outside the rotating shaft (4), the lower drive disk (11) is fixedly connected to the rotating shaft (4), the upper drive disk (11) is slidably matched with the rotating shaft (4), the two drive disks (11) are each provided with a radial slide groove (24), the slide grooves (24) of the two drive disks (11) correspond to each other one by one, the slide grooves (24) are provided with a ball (12), the upper portion of the upper drive disk (11) passes through a fixed A driving rod (10) is connected, and the driving rod (10) is fixedly connected to a pull rod (15). The driving rod (10) radially penetrates the rotating shaft (4). A vertical strip-shaped sliding hole (14) is provided on the side wall of the rotating shaft (4) at a position corresponding to the driving rod (10). The rotating shaft (4) is provided with a first spring (9) for applying downward pressure to the upper driving disk (11). Under the action of the first spring (9), the ball (12) is clamped between the two driving disks (11).

4. A lightweight wallboard mold cavity cleaning device according to claim 2, characterized in that: The push-pull mechanism comprises a vertical rack (25) fixedly arranged on the outside of the pull rod (15), a gear (26) meshing with the rack (25), a swing rod (27) fixedly connected to the gear (26) at one end, and a heavy ball (28) fixedly connected to the other end of the swing rod (27); the swing rod (27) is arranged along the radial direction of the gear (26), the heavy ball (28) is higher than the center of the gear (26), the gear (26) is rotatably connected to the rotating shaft (4), and a torsion spring (29) is provided between the gear (26) and the rotating shaft (4).

5. A lightweight wallboard mold cavity cleaning device according to claim 3, characterized in that: The rotating shaft (4) is threadedly connected with a round nut (8) above the driving disk (11), and the two ends of the first spring (9) respectively abut against the bottom surface of the round nut (8) and the top surface of the driving disk (11) above.

6. A lightweight wallboard mold cavity cleaning device according to claim 1, characterized in that: It also comprises tracks (22) arranged on both sides above the mold cavity (6) along the length direction of the mold cavity (6), a trolley (21) is arranged on each of the two tracks (22), a crossbeam (23) is arranged between the two trolleys (21), and the drive unit (5) is arranged on the crossbeam (23).

7. A lightweight wallboard mold cavity cleaning device according to claim 6, characterized in that: The driving unit (5) comprises a reducer (2), a motor (1) with adjustable speed connected to the reducer (2), and a bearing seat (3) arranged below the reducer (2); the bearing seat (3) and the reducer (2) are both fixedly connected to the crossbeam (23); the upper end of the rotating shaft (4) passes through the bearing seat (3) and is connected to the reducer (2); the rotating shaft (4) is rotatably connected to the crossbeam (23) via the bearing seat (3).

Images