Cutting device for autoclaved aerated concrete block bricks

Abstract

The invention is suitable for the technical field of autoclaved aerated concrete block production, and provides an autoclaved aerated concrete block brick cutting device which comprises a rail table and a green brick conveying plate slidably passing through the upper portion of the rail table, the green brick conveying plate is used for placing green bricks, and a guide rail is fixedly installed at the top of the rail table; a guide groove connected with the guide rail is formed in the bottom of the green brick conveying plate. According to the cutting device for the autoclaved aerated concrete block bricks, on-line self-cleaning is achieved through composite motion of rotation switching and yawing of transverse cutting steel wires, full-length scratches and hidden cracks of long-specification green bodies are eliminated, and the appearance quality of finished products is remarkably improved; the vertical cutting steel wire is integrally lifted, multiple wires are synchronously cut, the kerf width is stable, the size precision is high, and the kerf expansion and wave defects caused by traditional blade adhesion are avoided; the characteristics of flexibility, low resistance and self-cleaning of steel wires are utilized in transverse and vertical cutting, and the equipment is simple in structure, free of shutdown maintenance, fast in continuous production takt and low in maintenance cost.

Description

Technical Field

[0001] This invention belongs to the field of autoclaved aerated concrete block production technology, and particularly relates to a cutting device for autoclaved aerated concrete blocks. Background Technology

[0002] Autoclaved aerated concrete (AAC) blocks are a lightweight, porous new type of building material. They possess advantages such as low density, high thermal insulation, good sound absorption, and ease of processing. They can be manufactured into wall blocks, insulation blocks, pressed panels, floor slabs, and wall panels. Currently, AAC blocks are widely used in load-bearing and non-load-bearing structures in industrial and civil buildings in my country, becoming an important component of new building materials. The cutting of AAC blocks is achieved using specialized AAC block cutting equipment, enabling precise and rapid cutting. Existing cutting devices for autoclaved aerated concrete (AAC) blocks mostly employ a combination of wire and blade cutting. The wire primarily performs horizontal cutting, while the blade performs vertical cutting. Currently, the wire used for horizontal cutting is mostly stationary, relying on the transport of the brick blank to achieve self-cutting. Furthermore, because the horizontal wire cannot be switched, its long-term use in the same position leads to a significant amount of material adhering to the upper part of the brick during use, which can easily cause more defects when cutting longer brick blanks. On the other hand, when using blades for vertical cutting, the large blade area makes them prone to adhesion during use, resulting in a large number of defects. Summary of the Invention

[0003] This invention provides a cutting device for autoclaved aerated concrete blocks, which aims to solve the problems mentioned in the background art.

[0004] To solve the above problems, the present invention is implemented as follows: a cutting device for autoclaved aerated concrete (AAC) blocks, comprising: a track platform and a brick blank transfer plate that slides above it, the brick blank transfer plate being used to hold the brick blanks; a guide rail is fixedly installed on the top of the track platform, and a guide groove connected to the guide rail is provided at the bottom of the brick blank transfer plate; a U-shaped front end frame is provided above the feeding side of the track platform, the U-shaped front end frame being located outside the brick blank transfer plate; multiple guide wheels are installed on the outer side of the U-shaped front end frame; a support plate is fixedly installed on one side of the U-shaped front end frame; a wire transmission motor is fixedly installed on the side of the support plate; multiple wire drive wheels are installed on the support plate; the multiple guide wheels and the multiple wire drive wheels are provided with the same cross-cutting wire, the cross-cutting wire slidingly passing through both sides of the U-shaped front end frame, for cutting the brick blanks carried by the brick blank transfer plate. The brick blanks are cut horizontally at a height to divide them into equal lengths. One of the wire drive wheels is fixedly connected to the output shaft of the wire transmission motor to drive the horizontal cutting wire to rotate cyclically, thus preventing the brick blanks from sticking together due to their length. The U-shaped front end frame has a connecting frame located above the track platform and the brick blank transmission plate on its delivery side. Multiple U-shaped lifting frames are fixedly installed at the bottom of the connecting frame and the top of the track platform. The multiple U-shaped lifting frames are located on both sides of the brick blank transmission plate. Below the connecting frame is a hoisting frame connected to the multiple U-shaped lifting frames. Multiple vertical cutting wires are installed on the hoisting frame to vertically cut the brick blanks carried by the brick blank transmission plate, dividing them into equal lengths. The track platform and the U-shaped front end frame are connected by a reciprocating mechanism to drive the U-shaped front end frame to swing back and forth, thereby improving the cutting effect of the horizontal cutting wire.

[0005] Preferably, two width-limiting guide plates are fixedly installed on the top of the track platform. The two width-limiting guide plates are located on both sides of the brick blank transmission plate, and the feeding side of the two width-limiting guide plates is arc-shaped and outwardly flared to guide the brick blank transmission plate when it is fed in.

[0006] Preferably, the reciprocating mechanism includes two movable openings formed on the track platform, the two movable openings being located on the lower sides of the U-shaped front end frame respectively. A support guide plate is fixedly installed in each of the two movable openings, and both support guide plates are parallel to the transverse steel wire. A movable support plate is fixedly sleeved on each of the two support guide plates. A height adjustment opening is formed at the top of each of the two movable support plates, and a height adjustment plate is slidably inserted into each of the two height adjustment openings. The tops of the two height adjustment plates are fixedly connected to the bottom sides of the U-shaped front end frame respectively. A fixed height bolt is threaded onto each of the two movable support plates, and the ends of the two fixed height bolts are respectively connected to the two height adjustment plates. The sides of the adjustment plate abut against each other to position the height of the U-shaped front end frame, thereby controlling the cutting height of the cross-cutting wire. An assembly block is fixedly installed on the top of the track platform. The assembly block is located on the side of one of the movable support plates. The same return spring is fixedly installed between the assembly block and the corresponding movable support plate. A camshaft is rotatably installed on the track platform on the other side of this movable support plate. A reciprocating cam is fixedly installed on the top of the camshaft. The outer edge of the reciprocating cam contacts the side of the corresponding movable support plate so that when the reciprocating cam rotates, it cooperates with the return spring to control the movable support plate to slide back and forth along the movable opening, thereby causing the U-shaped front end frame to drive the cross-cutting wire to slide back and forth to cut the brick blank.

[0007] Preferably, the bottom of the brick transfer plate has a movable opening, and a friction strip is fixedly installed on the inner wall of one side of the movable opening. Multiple movable shafts are rotatably installed on the track platform. The top ends of the multiple movable shafts extend into the movable opening and are fixedly installed with movable wheels. The outer edges of the movable wheels are in frictional contact with the friction strips to drive the brick transfer plate to move. A movable motor is fixedly installed at the bottom of the track platform. A bevel gear is fixedly sleeved on the output shaft of the movable motor and on a corresponding movable shaft. The two bevel gears mesh with each other. A synchronous pulley is fixedly sleeved on the multiple movable shafts and the camshaft. The same synchronous belt is sleeved on the multiple synchronous pulleys to make the multiple movable shafts and the camshaft rotate synchronously.

[0008] Preferably, both ends of the guide rail and guide groove are chamfered for docking when the brick blank conveying plate is fed in and out.

[0009] Preferably, the hoisting frame has multiple through holes for multiple vertical cutting steel wires to pass through, and multiple fixed-length bolts are installed on the hoisting frame to fix the length of the vertical cutting steel wires. The multiple vertical cutting steel wires are arranged on the same plane, and the bottom plane of the multiple vertical cutting steel wires is lower than the bottom plane of the hoisting frame.

[0010] Preferably, the support guide plate is a rectangular plate, and the side of the movable support plate slides in contact with the inner wall of the side of the movable opening.

[0011] Preferably, the height adjustment port is rectangular, the height adjustment plate is rectangular, and the height fixing bolt is positioned to avoid the reset spring and the reciprocating cam.

[0012] Preferably, each of the multiple U-shaped lifting frames is rotatably mounted with a lifting screw, and each of the multiple lifting screws is threaded with a lifting plate. Each of the multiple lifting plates is connected to the hoisting frame, and both sides of the multiple lifting plates are in sliding contact with the inner wall of the corresponding U-shaped lifting frame.

[0013] Preferably, the bottom of the lifting plate is higher than the bottom of the hoisting frame so that the vertical cutting wire can fully contact the brick transfer plate.

[0014] Compared with related technologies, the cutting device for autoclaved aerated concrete blocks provided by the present invention has the following beneficial effects: Compared with existing technologies, the cutting device for autoclaved aerated concrete blocks provided in this solution achieves online self-cleaning through the "rotation switching + lateral swing" composite motion of the transverse cutting wire, eliminating long-length scratches and hidden cracks in long blanks, and significantly improving the appearance quality of the finished product; the vertical cutting wire is raised and lowered as a whole, and multiple wires are cut simultaneously, resulting in stable kerf width and high dimensional accuracy, avoiding kerf expansion and wave defects caused by blade sticking in traditional methods; both transverse and vertical cutting utilize the flexibility, low resistance, and self-cleaning characteristics of the steel wire, the equipment has a simple structure, requires no downtime for maintenance, has a fast continuous production cycle, and low maintenance costs. Attached Figure Description

[0015] Figure 1 This is a top-view three-dimensional structural schematic diagram provided by the present invention; Figure 2 for Figure 1 An enlarged structural diagram of part A shown in the figure; Figure 3 for Figure 1 An enlarged structural diagram of part B shown in the figure; Figure 4 for Figure 1 An enlarged structural diagram of section C shown in the figure; Figure 5 for Figure 4 An enlarged structural diagram of part D shown in the figure; Figure 6 This is a schematic diagram of the three-dimensional structure viewed from below provided by the present invention; Figure 7 for Figure 6 An enlarged structural diagram of part E shown in the figure; Figure 8 for Figure 6 An enlarged structural diagram of part F shown in the figure; Figure 9 for Figure 8 An enlarged structural diagram of part G shown in the figure; Figure 10 This is a schematic diagram of the main sectional view of the hoisting frame. Figure 11 This is a top view structural diagram provided by the present invention; Figure 12 for Figure 11 A schematic diagram of the front sectional view of the PP section shown. Figure 13 for Figure 12 An enlarged structural diagram of section H shown in the figure; Figure 14 for Figure 12 An enlarged structural diagram of part I shown in the figure; Figure 15 for Figure 12 An enlarged structural diagram of section J shown in the figure; Figure 16 for Figure 12 An enlarged structural diagram of section K shown in the figure; Figure 17 for Figure 16 An enlarged structural diagram of section L shown in the figure; Figure 18 for Figure 11 A schematic diagram of the front sectional view of the QQ section shown. Figure 19 for Figure 18 An enlarged structural diagram of part M shown in the figure; Figure 20 for Figure 18 An enlarged structural diagram of section N shown in the figure; Figure 21 This is a schematic diagram of the steel wire cleaning mechanism; Figure 22 This is a structural diagram of the lifting plate, the horizontal guide plate, the track plate, and the round rod.

[0016] Attached reference numerals: 1. Track platform; 2. Brick transfer plate; 3. Guide rail; 4. Guide groove; 5. U-shaped front end frame; 6. Guide wheel; 7. Support plate; 8. Wire transmission motor; 9. Wire drive wheel; 10. Cross-cutting wire; 11. Connecting frame; 12. U-shaped lifting frame; 13. Lifting frame; 14. Vertical cutting wire; 15. Width-limiting guide plate; 16. Movable opening; 17. Support guide plate; 18. Movable support plate; 19. Height adjustment opening; 20. Height adjustment plate; 21. Height fixing bolt; 22. Assembly block; 23. Return spring; 24. Camshaft; 25. Reciprocating cam; 26. Moving opening; 27. Friction strip; 28. Moving shaft; 29. ​​Moving wheel; 30. Moving motor; 31. Bevel gear one; 32. Synchronous pulley one; 3 3. Synchronous belt one; 34. Lifting screw; 35. Lifting plate; 36. Lateral guide port; 37. Lateral guide plate; 38. Holding spring; 39. Track plate; 40. Wave track groove; 41. Round rod; 42. Shaft bracket; 43. Synchronous shaft; 44. Bevel gear two; 45. Synchronous pulley two; 46. Synchronous belt two; 47. Lifting motor; 48. Cleaning box; 49. Annular cleaning pipe; 50. Spray pipe; 51. Water inlet pipe; 52. Water pump; 53. Sewage pipe; 54. Water guide bucket; 55. Water return port; 56. Lifting plate; 57. Lifting ring; 58. Cleaning ring; 59. Cleaning brush; 60. Gear assembly; 61. Torsion bar; 62. Circular gear; 63. Torsion spring; 64. Pulley; 65. Driven shaft; 66. Driven pulley; 67. Pulley. Detailed Implementation

[0017] In this document, the term "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0018] This invention provides a cutting device for autoclaved aerated concrete (AAC) blocks, such as... Figure 1-22As shown, the cutting device for autoclaved aerated concrete (AAC) blocks includes: a track platform 1 and a brick blank transfer plate 2 that slides above it. The brick blank transfer plate 2 is used to place brick blanks. A guide rail 3 is fixedly installed on the top of the track platform 1, and a guide groove 4 connected to the guide rail 3 is located at the bottom of the brick blank transfer plate 2. A U-shaped front end frame 5 is provided above the feeding side of the track platform 1. The U-shaped front end frame 5 is located outside the brick blank transfer plate 2. Multiple guide wheels 6 are installed on the outer side of the U-shaped front end frame 5. A support plate 7 is fixedly installed on one side of the U-shaped front end frame 5. A wire transmission motor 8 is fixedly installed on the side of the support plate 7. Multiple wire drive wheels 9 are installed on the support plate 7. The multiple guide wheels 6 and the multiple wire drive wheels 9 are provided with the same transverse cutting wire 10. The transverse cutting wire 10 slides through both sides of the U-shaped front end frame 5 and is used to perform transverse cutting of the brick blanks carried by the brick blank transfer plate 2 in terms of height. The bricks are divided into equal lengths. One of the wire drive wheels 9 is fixedly connected to the output shaft of the wire transmission motor 8 to drive the transverse cutting wire 10 to rotate cyclically, so as to avoid sticking caused by the length of the brick blanks. The U-shaped front end frame 5 has a connecting frame 11 located above the track platform 1 and the brick blank transmission plate 2 on the delivery side. Multiple U-shaped lifting frames 12 are fixedly installed at the bottom of the connecting frame 11 and the top of the track platform 1. The multiple U-shaped lifting frames 12 are located on both sides of the brick blank transmission plate 2. A hoisting frame 13 connected to the multiple U-shaped lifting frames 12 is provided below the connecting frame 11. Multiple vertical cutting wires 14 are installed on the hoisting frame 13 to vertically cut the brick blanks carried by the brick blank transmission plate 2 in length, so that their lengths are divided equally. The track platform 1 and the U-shaped front end frame 5 are connected by a reciprocating mechanism to drive the U-shaped front end frame 5 to swing back and forth, so as to improve the cutting effect of the transverse cutting wire 10.

[0019] In this embodiment, the whole molded brick blank to be cut is placed horizontally on the brick blank conveyor plate 2 and fed into the track table 1 on the production line. The brick blank conveyor plate 2 passes through the U-shaped front end frame 5 at a constant speed along the guide rail 3. The wire conveyor motor 8 drives the wire drive wheel 9, which is coaxial with it, to rotate. The transverse cutting wire 10 continuously circulates in the closed loop path formed by the guide wheel 6 and the wire drive wheel 9. At the same time, the U-shaped front end frame 5 makes a small-amplitude reciprocating swing, so that the transverse cutting wire 10 forms a "dynamic sawing" trajectory on the transverse cross section of the brick blank, completing the height square The brick blank is cut into equal sections in the horizontal direction; after being cut horizontally, the brick blank continues to move forward to below the connecting frame 11. The U-shaped lifting frame 12 drives the hoisting frame 13 to descend as a whole. Multiple vertical cutting wires 14 pass through the brick blank B from top to bottom, achieving equal longitudinal cutting in the length direction; the U-shaped lifting frame 12 then rises and resets, completing one cutting cycle; throughout the process, the horizontal cutting wires 10 are always in a state of continuous rotation and horizontal swing superposition, while the vertical cutting wires 14 only perform vertical lifting and lowering movements, achieving continuous production without additional cleaning devices; Cross-cutting stage: The cross-cutting wire 10 rotates continuously in a closed loop path. Its linear velocity direction is perpendicular to the brick feeding direction. The rotational motion causes the cross-cutting wire 10 to continuously switch cutting positions. The wet material adhering to its surface can also be partially and automatically detached under the action of centrifugal force and gravity. The U-shaped front end frame 5 periodically moves laterally, causing the contact point between the wire and the brick to scan back and forth along the transverse section, forming a "multi-pass" cutting effect and avoiding material accumulation caused by continuous friction at a single point. Vertical cutting stage: The vertical cutting wire 14 is lifted and lowered as a whole by the hoisting frame 13. Multiple vertical cutting wires 14 cut into the brick blank simultaneously. The flexible self-centering characteristics of the wire ensure that the cut is straight. During the lifting process, the relative speed between the wire and the brick blank is low, the amount of wet material adhering is minimal, the vertical stroke is short, the cutting resistance is low, and it is easier. The "rotation switching + lateral swing" composite motion of the transverse cutting wire 10 achieves online self-cleaning, eliminating long-length scratches and hidden cracks in long blanks, and significantly improving the appearance quality of the finished product; the vertical cutting wire 14 is lifted as a whole and cuts multiple wires simultaneously, with stable kerf width and high dimensional accuracy, avoiding kerf expansion and wave defects caused by blade sticking in traditional methods; both transverse and vertical cutting utilize the flexibility, low resistance, and self-cleaning characteristics of steel wire, the equipment has a simple structure, requires no downtime maintenance, has a fast continuous production cycle, and low maintenance costs.

[0020] In a further preferred embodiment of the present invention, two width-limiting guide plates 15 are fixedly installed on the top of the track platform 1. The two width-limiting guide plates 15 are respectively located on both sides of the brick blank transmission plate 2. The feeding side of the two width-limiting guide plates 15 is arc-shaped and outwardly flared to guide the brick blank transmission plate 2 when it is fed in.

[0021] In this embodiment, when the brick blank conveyor plate 2 carries the whole mold brick blank from the external roller conveyor to the track table 1, its front end first contacts the arc-shaped outward expansion section of the two width-limiting guide plates 15; as the feeding action continues, the side edge of the brick blank conveyor plate 2 slides along the arc-shaped outward expansion section, automatically correcting the lateral offset, until both sides simultaneously fit with the straight section of the width-limiting guide plate 15, achieving center positioning; then the brick blank conveyor plate 2 passes through the U-shaped front end frame 5 and the connecting frame 11 at a uniform speed along the guide rail 3, completing the entire process of lateral and vertical cutting; after the cutting is completed, the brick blank conveyor plate 2 carries the divided brick blank from the track table 1, and the width-limiting guide plate 15 remains fixed, waiting for the next mold brick blank to enter, repeating the above guiding process.

[0022] In a further preferred embodiment of the present invention, the reciprocating mechanism includes two movable openings 16 formed on the track platform 1. The two movable openings 16 are respectively located below the two sides of the U-shaped front end frame 5. A support guide plate 17 is fixedly installed in each of the two movable openings 16. The two support guide plates 17 are arranged parallel to the cross-cutting steel wire 10. A movable support plate 18 is fixedly sleeved on each of the two support guide plates 17. A height adjustment opening 19 is formed on the top of each of the two movable support plates 18. A height adjustment plate 20 is slidably inserted into each of the two height adjustment openings 19. The tops of the two height adjustment plates 20 are fixedly connected to the bottom of the two sides of the U-shaped front end frame 5. A fixed height bolt 21 is threadedly installed on each of the two movable support plates 18. The ends of the two fixed height bolts 21 are respectively connected to the two sides of the U-shaped front end frame 5. The sides of the height adjustment plate 20 abut against each other to position the height of the U-shaped front end frame 5, thereby controlling the cutting height of the cross-cutting wire 10. An assembly block 22 is fixedly installed on the top of the track platform 1. The assembly block 22 is located on the side of one of the movable support plates 18. The same return spring 23 is fixedly installed between the assembly block 22 and the corresponding movable support plate 18. A camshaft 24 is rotatably installed on the track platform 1 on the other side of this movable support plate 18. A reciprocating cam 25 is fixedly installed on the top of the camshaft 24. The outer edge of the reciprocating cam 25 contacts the side of the corresponding movable support plate 18 so that when the reciprocating cam 25 rotates, it cooperates with the return spring 23 to control the movable support plate 18 to slide back and forth along the movable opening 16, thereby causing the U-shaped front end frame 5 to drive the cross-cutting wire 10 to slide back and forth to cut the brick blank.

[0023] In this embodiment, before cutting, the height-fixing bolt 21 is loosened, and the height-adjusting plate 20 is slid up and down along the height-adjusting port 19, so that the U-shaped front end frame 5 drives the cross-cutting wire 10 to the target cutting height. Then, the height-fixing bolt 21 is tightened to complete the rigid positioning of the U-shaped front end frame 5 and the movable support plate 18. Subsequently, the camshaft 24 is controlled to rotate, and the reciprocating cam 25 rotates accordingly. Its profile pushes the movable support plate 18 on the corresponding side. The movable support plate 18 slides horizontally along the movable port 16 under the guidance of the support guide plate 17, while compressing the return spring 23. When the reciprocating cam 25 passes the push stroke section, the return spring 23 is released, pushing the movable support plate 18 to slide in the opposite direction. This cycle is repeated to realize the periodic reciprocating motion of the U-shaped front end frame 5 and the cross-cutting wire 10. The brick blank is fed in at a uniform speed by the brick blank transfer plate 2. The cross-cutting wire 10 completes the transverse cutting under the superposition of rotation and reciprocation. The cutting height is quickly set by the height-adjusting plate 20 and the height-fixing bolt 21, which can adapt to brick blanks of different thicknesses without disassembling any parts.

[0024] Height adjustment stage: A sliding pair is formed between the height adjustment plate 20 and the movable support plate 18. The end face of the fixed height bolt 21 abuts against the side wall of the height adjustment plate 20. The U-shaped front frame 5 is locked at any height by the thread self-locking, realizing stepless adjustment of the cutting plane of the transverse steel wire 10. The support guide plate 17 and the movable opening 16 form a horizontal guide rail to ensure that the movable support plate 18 has only a single degree of freedom to reciprocate. Reciprocating drive stage: The profile of the reciprocating cam 25 converts the rotational motion into the linear displacement of the movable support plate 18 through rolling or sliding contact. The return spring 23 always provides the reverse restoring force, so that the movable support plate 18 always keeps in contact with the outer edge of the reciprocating cam 25, forming a stable reciprocating motion cycle. The direction of this reciprocating motion is perpendicular to the brick feeding direction, so that the cross-cutting wire 10 forms a "scanning" cutting trajectory in the transverse section of the brick body, avoiding single-point continuous friction and reducing material accumulation and edge chipping.

[0025] In a further preferred embodiment of the present invention, a movable opening 26 is provided at the bottom of the brick blank transmission plate 2, and a friction strip 27 is fixedly installed on the inner wall of one side of the movable opening 26. Multiple movable shafts 28 are rotatably installed on the track platform 1. The top ends of the multiple movable shafts 28 extend into the movable opening 26 and are fixedly installed with movable wheels 29. The outer edge of the movable wheels 29 is in frictional contact with the friction strip 27 to drive the brick blank transmission plate 2 to move. A movable motor 30 is fixedly installed at the bottom of the track platform 1. A bevel gear 31 is fixedly sleeved on the output shaft of the movable motor 30 and on a corresponding movable shaft 28. The two bevel gears 31 mesh with each other. Synchronous pulleys 32 are fixedly sleeved on the multiple movable shafts 28 and the camshaft 24. The same synchronous belt 33 is sleeved on the multiple synchronous pulleys 32 to make the multiple movable shafts 28 and the camshaft 24 rotate synchronously.

[0026] In this embodiment, the moving motor 30 is started, and its output shaft drives a corresponding moving shaft 28 to rotate through a pair of bevel gears 31. The moving wheel 29 at the top of the moving shaft 28 is pressed against the friction strip 27 in the moving port 26, and the brick blank transmission plate 2 is pushed forward along the track table 1 by friction (the friction strip 27 can be a rack and the moving wheel 29 can be a gear, and the two can mesh). At the same time, the synchronous wheel 32 on the moving shaft 28 links all the other moving shafts 28 and the camshaft 24 through the synchronous belt 33, so that all the moving wheels 29 rotate synchronously and provide uniform thrust, and the camshaft 24 follows to realize the reciprocating motion of the transverse cutting wire 10. The brick blank passes through the cutting area at a uniform speed on the brick blank transmission plate 2. After the transverse and vertical cutting is completed, the moving motor 30 continues to run to send out the cut brick blank and connect it to the next mold blank, realizing the synchronous cycle of single motor driven feeding and transverse cutting reciprocating. Power transmission stage: The rotational motion output by the moving motor 30 is transmitted to the first moving shaft 28 after being reversed by the bevel gear 31. The closed-loop synchronization system composed of the synchronous pulley 32 and the synchronous belt 33 rigidly connects all the moving shafts 28 and the camshaft 24, ensuring that the angular velocity of each moving wheel 29 is consistent, and preventing the brick blank transmission plate 2 from slipping or deviating due to speed difference. Thrust generation stage: The outer edge of the moving wheel 29 forms positive pressure contact with the friction strip 27 fixed to the side wall of the moving opening 26. The circular motion of the wheel rim is converted into the linear feeding of the brick blank transmission plate 2 by Coulomb friction. Linkage cutting stage: The camshaft 24 and the moving shaft 28 share the same synchronous belt 33, so that the reciprocating frequency of the cross-cutting wire 10 and the feeding speed of the brick blank transmission plate 2 are kept in a fixed ratio, ensuring that the transverse cut spacing of each brick blank is consistent. Mechanical synchronization can be achieved without additional encoders or speed adjustment devices.

[0027] In a further preferred embodiment of the present invention, both ends of the guide rail 3 and the guide groove 4 are chamfered for docking when the brick blank conveying plate 2 is fed in and out.

[0028] In this embodiment, when the brick blank conveyor plate 2 fully loaded with brick blanks is fed from the front roller conveyor to the track table 1, the chamfered bevel at the front end of the guide groove 4 first contacts the chamfered bevel at the front end of the guide rail 3, and the two chamfers form a wedge-shaped guide pair, so that the guide groove 4 automatically slides to the top center of the guide rail 3 under slight height difference or lateral offset.

[0029] In a further preferred embodiment of the present invention, the hoisting frame 13 has multiple through holes for multiple vertically cut steel wires 14 to pass through, and multiple fixed-length bolts are installed on the hoisting frame 13 for fixing the length of the vertically cut steel wires 14. The multiple vertically cut steel wires 14 are arranged on the same plane, and the bottom plane of the multiple vertically cut steel wires 14 is lower than the bottom plane of the hoisting frame 13.

[0030] In this embodiment, during installation, each vertical cutting wire 14 is passed through the corresponding hole on the hoisting frame 13 from top to bottom, tightened to a predetermined length, and then the wire is tightened from the side with a fixed-length bolt to maintain a fixed relationship with the hoisting frame 13 without relative slippage. After all the vertical cutting wires 14 are leveled and locked, their bottom ends together form a cutting plane lower than the bottom surface of the hoisting frame 13. When the U-shaped lifting frame 12 drives the hoisting frame 13 to descend, this plane first contacts the brick blank and completes the longitudinal equal division cut. The body of the hoisting frame 13 never contacts the surface of the brick blank. After the cutting is completed, the U-shaped lifting frame 12 raises the hoisting frame 13, and the vertical cutting wires 14 immediately detach from the blank, ready for the next cycle.

[0031] In a further preferred embodiment of the present invention, the support guide plate 17 is a rectangular plate, and the side of the movable support plate 18 is in sliding contact with the inner wall of the side of the movable opening 16.

[0032] In this embodiment, when the equipment is running, the reciprocating cam 25 and the return spring 23 alternately push the movable support plate 18. Under the lateral guidance of the support guide plate 17, the movable support plate 18 slides back and forth in a straight line along the movable opening 16, driving the U-shaped front end frame 5 and the cross-cutting wire 10 to swing and cut simultaneously.

[0033] In a further preferred embodiment of the present invention, the height adjustment port 19 is a rectangular port, the height adjustment plate 20 is a rectangular plate, and the height fixing bolt 21 is positioned to avoid the reset spring 23 and the reciprocating cam 25.

[0034] In this embodiment, during debugging, first loosen the height-fixing bolt 21, and slide the rectangular height adjustment plate 20 up and down along the rectangular height adjustment opening 19, driving the U-shaped front end frame 5 and the cross-cutting wire 10 to the required cutting height; then tighten the height-fixing bolt 21 so that its end face abuts against the side wall of the height adjustment plate 20 to complete stepless locking; because the height-fixing bolt 21 is arranged on the opposite side of the return spring 23 and the reciprocating cam 25, the adjustment or locking operation space is wide, and the tool will not interfere with the elastic element or the rotating cam.

[0035] In a further preferred embodiment of the present invention, each of the plurality of U-shaped lifting frames 12 is rotatably mounted with a lifting screw 34, and each of the plurality of lifting screws 34 is threaded with a lifting plate 35. Each of the plurality of lifting plates 35 is connected to the hoisting frame 13, and both sides of the plurality of lifting plates 35 are in sliding contact with the inner wall of the corresponding U-shaped lifting frame 12.

[0036] In this embodiment, before the hoisting frame 13 needs to be raised or lowered, the lifting screws 34 on each U-shaped lifting frame 12 are synchronously driven to rotate; each lifting screw 34 drives the corresponding lifting plate 35 to move up and down along the threaded pair, and the two sides of the lifting plate 35 simultaneously slide into contact with the inner wall of the U-shaped lifting frame 12 to form an anti-rotation guide; all the lifting plates 35 together lift the hoisting frame 13, keeping it in a horizontal position for lowering or raising, until the vertical cutting wire 14 completes the longitudinal cutting through the brick blank; after the cutting is completed, the lifting screws 34 are rotated in the opposite direction, and the hoisting frame 13 is then reset, waiting for the next cycle.

[0037] In a further preferred embodiment of the present invention, the bottom of the lifting plate 35 is higher than the bottom of the hoisting frame 13 so that the vertical cutting wire 14 can fully contact the brick blank transmission plate 2.

[0038] In this embodiment, a "giveaway space" is formed by setting the height difference between the bottom surface of the lifting plate 35 and the bottom surface of the hoisting frame 13; during the descent of the vertical cutting wire 14, this space ensures that the lowest cutting point of the wire can reach the bottom surface of the brick blank, while the lifting plate 35 remains suspended above the blank.

[0039] To further improve the performance of this device, in addition to the above-mentioned solutions, this solution also includes the following embodiments: In another embodiment of the present invention, each of the plurality of lifting plates 35 is provided with a transverse guide port 36 on one side of the hoisting frame 13. A transverse guide plate 37 is slidably installed within each of the plurality of transverse guide ports 36. Each of the plurality of transverse guide plates 37 is fixedly connected to the side of the hoisting frame 13. Each of the plurality of transverse guide ports 36 is provided with a retaining spring 38, the end of which abuts against the corresponding transverse guide plate 37. Track plates 39 are provided on both sides of each of the plurality of transverse guide plates 37. The bottom of each of the plurality of track plates 39 is fixedly connected to the top of the track platform 1, and the top of each of the plurality of track plates 39 is fixedly connected to the bottom of the connecting frame 11. A wave-shaped track groove 40 is provided on one side of each of the plurality of track plates 39 located on the transverse guide plate 37. A round rod 41 is fixedly installed on each of the plurality of transverse guide plates 37, with both ends of the round rod 41 extending into the corresponding wave-shaped track groove 40, so that when the lifting screw 34 drives the lifting plate 35 to rise and fall, it simultaneously drives the transverse guide plate 37 and... The lifting frame 13 is raised and lowered, coordinating with the reciprocating motion of the round rod 41 along the wave track groove 40, causing the lifting frame 13 and the transverse guide plate 37 to reciprocate, thereby causing the vertical cutting wire 14 to reciprocate to cut the brick blank. Multiple U-shaped lifting frames 12 are each fixedly mounted with a shaft frame 42, and the same synchronous shaft 43 is rotatably mounted on two corresponding shaft frames 42. Multiple synchronous shafts 43 and multiple lifting screws 34 are each fixedly mounted with a bevel gear 44. The two bevel gears 44 on the synchronous shafts 43 and the lifting screws 34 mesh with each other, so that the synchronous shafts 43 drive the corresponding multiple lifting screws 34 to rotate synchronously. Multiple synchronous shafts 43 are each fixedly fitted with a synchronous pulley 45, and multiple synchronous pulleys 45 are fitted with the same synchronous belt 46, so that the multiple synchronous shafts 43 rotate synchronously. One of the shaft frames 42 is fixedly mounted with a lifting motor 47, and the output shaft of the lifting motor 47 is fixedly connected to the end of the corresponding synchronous shaft 43 to provide power.

[0040] In this embodiment, the lifting motor 47 is started, and its output shaft drives the corresponding synchronous shaft 43 to rotate. The synchronous wheel 45 on the shaft drives all the synchronous shafts 43 to rotate synchronously through the synchronous belt 46. Each synchronous shaft 43 drives the corresponding lifting screw 34 to rotate simultaneously through the bevel gear 44. The lifting plate 35 then drives the transverse guide plate 37 and the hoisting frame 13 to descend as a whole. During the descent, the round rod 41 on the side of the transverse guide plate 37 slides along the wave track groove 40, forcing the hoisting frame 13 to swing laterally while moving vertically. The vertical cutting wire 14 thus forms a "lifting + swinging" composite trajectory to reciprocate the cutting of the brick blank. After the cutting is completed, the lifting motor 47 reverses, the hoisting frame 13 rises and swings back synchronously, completing one cycle.

[0041] Lifting power chain: The lifting motor 47 is rigidly connected to all synchronous shafts 43 via synchronous belt 46 and synchronous pulley 45, ensuring that multiple lifting screws 34 rotate at the same speed, so that the four corners of the hoisting frame 13 are lifted synchronously and kept horizontal; Lateral swing force chain: The lateral guide plate 37 and the lateral guide port 36 form a sliding pair, and the spring 38 keeps pressing the lateral guide plate 37 against the track plate 39; the round rod 41 is guided by the wave track groove 40 and is forced to move left and right along the groove profile with the lifting motion, thereby converting the linear motion of the lifting screw 34 into the periodic lateral swing of the hoisting frame 13; the vertical cutting wire 14 sweeps the same cut multiple times in the compound motion, forming "multi-pass" cutting, reducing the resistance of a single cutting and automatically carrying out wet material.

[0042] In another embodiment of the present invention, a steel wire cleaning mechanism is provided on the U-shaped front end frame 5. The steel wire cleaning mechanism includes a cleaning box 48 fixedly installed on the inner wall of one side of the U-shaped front end frame 5. An annular cleaning tube 49 is provided inside the cleaning box 48. The transverse steel wire 10 slides through the cleaning box 48 and the annular cleaning tube 49. Multiple spray pipes 50 are fixedly installed on the annular cleaning tube 49. The multiple spray pipes 50 are all inclined towards the transverse steel wire 10. A water inlet pipe 51 is connected to the annular cleaning tube 49. The water inlet end of the water inlet pipe 51 extends to the outside of the cleaning box 48 and... A water pump 52 is connected to the U-shaped front end frame 5, which is used to pump in clean water. A drain pipe 53 connected to the cleaning tank 48 is fixedly installed on the U-shaped front end frame 5 for discharging wastewater. A water guide hopper 54 located below the cross-cutting wire 10 is fixedly installed on the outer side of the U-shaped front end frame 5 for collecting excess water. A return water port 55 connected to the water guide hopper 54 and the cleaning tank 48 is provided on the U-shaped front end frame 5. A lifting plate 56 is fixedly installed on the inner wall of the cleaning tank 48. A lifting ring 57 is fixedly installed on the lifting plate 56, and a cleaning ring 58 is rotatably embedded in the lifting ring 57. The cleaning ring 58 is located outside the transverse steel wire 10 and behind the transmission of the annular cleaning tube 49. A cleaning brush 59 is fixedly installed on the inner side of the cleaning ring 58, which is used to clean the surface of the transverse steel wire 10 when rotating. A toothed assembly 60 is fixedly installed on the outer side of the cleaning ring 58. A torsion bar 61 extending into the cleaning box 48 is rotatably installed on the U-shaped front end frame 5. A spur gear 62 is fixedly installed on one end of the torsion bar 61 inside the cleaning box 48. The spur gear 62 meshes with the toothed assembly 60. A torsion spring 63 is sleeved on the torsion bar 61. The two ends of the spring 63 are fixedly connected to the U-shaped front end frame 5 and the spur gear 62, respectively. The torsion bar 61 is fixedly mounted with a lever 64 at one end outside the U-shaped front end frame 5. A driven shaft 65 is rotatably mounted on the U-shaped front end frame 5. A driven wheel 66 is fixedly sleeved on the driven shaft 65. The driven wheel 66 is in frictional contact with the cross-cutting wire 10 so that the cross-cutting wire 10 drives the driven shaft 65 to rotate when it moves. A lever 67 is fixedly mounted on the driven shaft 65 so that when the driven shaft 65 rotates, it drives the lever 67 to rotate the lever 64 and the torsion bar 61, thus achieving reciprocating rotation in conjunction with the torsion spring 63.

[0043] In this embodiment, before the cross-cutting wire 10 is circulated, the water pump 52 is started first. Clean water enters the annular cleaning pipe 49 through the inlet pipe 51, and then forms a concentrated jet through multiple inclined spray pipes 50 to perform an initial rinse on the surface of the wire entering the cleaning box 48. The cross-cutting wire 10 continues to move forward, driving the driven wheel 66 to rotate. The lever 67 on the driven shaft 65 rotates accordingly and periodically moves the lever 64, causing the torsion bar 61 and the sprocket 62 to overcome the torque of the torsion spring 63 and generate angular displacement. When the lever 67 disengages from the lever 64, the torsion spring 63 is released, and the sprocket 62 rotates in the opposite direction. Through the tooth assembly 60, it drives the cleaning ring 58 and the cleaning brush 59 to swing back and forth, performing a secondary mechanical brushing on the surface of the wire. The wastewater generated by brushing and rinsing flows into the guide bucket 54 through the return water port 55 and is finally discharged through the sewage pipe 53, realizing continuous online cleaning.

[0044] Rinsing stage: The annular cleaning pipe 49 is fitted over the outside of the steel wire, and the spray pipe 50 is tilted towards the axis of the steel wire. The water flow peels off the wet material at a certain impact angle. The water guide hopper 54 and the return water port 55 form a connector to promptly discharge the sewage and prevent water accumulation in the cleaning box 48. Brushing stage: Driven wheel 66 obtains rotational power by friction with the cross-cutting steel wire 10. The lever 67 rotates once and then moves the lever 64 once. The torsion spring 63 and the lever 67 cooperate to form a "rotation-reset" cycle, causing the spherical gear 62 to swing back and forth, thereby driving the cleaning ring 58 and its inner cleaning brush 59 to brush the steel wire circumferentially. The brushing direction is perpendicular to the direction of the steel wire's movement, which can completely remove the residual material after water softening, and the reciprocating swing avoids local wear of the steel wire caused by unidirectional brushing.

[0045] In summary, compared with related technologies, the "rotation switching + lateral swing" composite motion of the transverse cutting wire 10 in this device achieves online self-cleaning, eliminating long-length scratches and hidden cracks in long blanks, and significantly improving the appearance quality of the finished product; the vertical cutting wire 14 is lifted as a whole and cuts multiple wires simultaneously, with stable kerf width and high dimensional accuracy, avoiding kerf expansion and wave defects caused by blade sticking in traditional methods; both transverse and vertical cutting utilize the flexibility, low resistance, and self-cleaning characteristics of steel wire, the equipment has a simple structure, requires no downtime for maintenance, has a fast continuous production cycle, and low maintenance costs.

[0046] It should be understood, in the several embodiments provided in this application, that the disclosed apparatus may be implemented in other ways.

[0047] The above embodiments are only used to illustrate the technical solutions of the present invention, and are not intended to limit the scope of protection of the invention. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on these embodiments, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art can still combine, add, delete, or otherwise adjust the features of the various embodiments of the present invention according to the circumstances without conflict or creative effort, thereby obtaining different technical solutions that do not fundamentally depart from the concept of the present invention. These technical solutions also fall within the scope of protection of the present invention.

Claims

1. A cutting device for autoclaved aerated concrete (AAC) blocks, characterized in that, include: The track platform slides through the brick blank transfer plate above, the brick blank transfer plate is used to place the brick blanks, the top of the track platform is fixedly installed with a guide rail, and the bottom of the brick blank transfer plate has a guide groove connected to the guide rail. A U-shaped front-end frame is provided above the feeding side of the track platform. The U-shaped front-end frame is located outside the brick blank conveying plate. Multiple guide wheels are installed on the outer side of the U-shaped front-end frame. A support plate is fixedly installed on one side of the U-shaped front-end frame. A wire conveying motor is fixedly installed on the side of the support plate. Multiple wire drive wheels are installed on the support plate. The multiple guide wheels and multiple wire drive wheels are provided with the same cross-cutting wire. The cross-cutting wire slides through both sides of the U-shaped front-end frame and is used to cut the brick blanks carried by the brick blank conveying plate laterally in height so that they are divided into equal heights. One of the wire drive wheels is fixedly connected to the output shaft of the wire conveying motor and is used to drive the cross-cutting wire to rotate cyclically to avoid the brick blanks sticking together due to their length. The U-shaped front end frame has a connecting frame on the delivery side above the track platform and the brick transfer plate. Multiple U-shaped lifting frames are fixedly installed at the bottom of the connecting frame and the top of the track platform. The multiple U-shaped lifting frames are located on both sides of the brick transfer plate. Below the connecting frame is a hoisting frame connected to the multiple U-shaped lifting frames. Multiple vertical cutting steel wires are installed on the hoisting frame for vertically cutting the bricks carried by the brick transfer plate in length so that their length is equal. The track platform and the U-shaped front end frame are connected by a reciprocating mechanism, which drives the U-shaped front end frame to swing back and forth, thereby improving the cutting effect of the transverse steel wire.

2. The cutting device for autoclaved aerated concrete blocks as described in claim 1, characterized in that, Two width-limiting guide plates are fixedly installed on the top of the track platform. The two width-limiting guide plates are located on both sides of the brick blank transmission plate. The feeding side of the two width-limiting guide plates is arc-shaped and outwardly flared to guide the brick blank transmission plate when it is fed in.

3. The cutting device for autoclaved aerated concrete blocks as described in claim 1, characterized in that, The reciprocating mechanism includes two movable openings on the track platform, located on the lower sides of the U-shaped front end frame. A support guide plate is fixedly installed within each of the two movable openings, and both support guide plates are parallel to the transverse steel wire. A movable support plate is fixedly fitted onto each of the two support guide plates. A height adjustment opening is provided at the top of each of the two movable support plates, and a height adjustment plate is slidably inserted into each of the two height adjustment openings. The tops of the two height adjustment plates are fixedly connected to the bottom sides of the U-shaped front end frame. A fixed height bolt is threaded onto each of the two movable support plates, and the ends of the two fixed height bolts are respectively connected to the two height adjustment plates. The sides of the joint plates abut against each other to position the height of the U-shaped front end frame, thereby controlling the cutting height of the cross-cutting wire. An assembly block is fixedly installed on the top of the track platform. The assembly block is located on the side of one of the movable support plates. The same return spring is fixedly installed between the assembly block and the corresponding movable support plate. A camshaft is rotatably installed on the track platform on the other side of this movable support plate. A reciprocating cam is fixedly installed on the top of the camshaft. The outer edge of the reciprocating cam contacts the side of the corresponding movable support plate so that when the reciprocating cam rotates, it cooperates with the return spring to control the movable support plate to slide back and forth along the movable opening, thereby causing the U-shaped front end frame to drive the cross-cutting wire to slide back and forth to cut the brick blank.

4. The cutting device for autoclaved aerated concrete blocks as described in claim 3, characterized in that, The bottom of the brick transfer plate has a movable opening, and a friction strip is fixedly installed on the inner wall of one side of the movable opening. Multiple movable shafts are rotatably installed on the track platform. The top ends of the multiple movable shafts extend into the movable opening and are fixedly installed with movable wheels. The outer edges of the movable wheels are in frictional contact with the friction strips to drive the brick transfer plate to move. A movable motor is fixedly installed at the bottom of the track platform. A bevel gear is fixedly fitted on the output shaft of the movable motor and on a corresponding movable shaft. The two bevel gears mesh with each other. A synchronous pulley is fixedly fitted on the multiple movable shafts and the camshaft. The same synchronous belt is fitted on the multiple synchronous pulleys to make the multiple movable shafts and the camshaft rotate synchronously.

5. The cutting device for autoclaved aerated concrete blocks as described in claim 1, characterized in that, Both ends of the guide rail and guide groove are chamfered for docking when the brick blank conveying plate is fed in and out.

6. The cutting device for autoclaved aerated concrete blocks as described in claim 1, characterized in that, The hoisting frame has multiple through holes for multiple vertical cutting steel wires to pass through. Multiple fixed-length bolts are installed on the hoisting frame to fix the length of the vertical cutting steel wires. The multiple vertical cutting steel wires are arranged on the same plane, and the bottom plane of the multiple vertical cutting steel wires is lower than the bottom plane of the hoisting frame.

7. The cutting device for autoclaved aerated concrete blocks as described in claim 3, characterized in that, The support guide plate is a rectangular plate, and the side of the movable support plate slides in contact with the inner wall of the side of the movable opening.

8. The cutting device for autoclaved aerated concrete blocks as described in claim 3, characterized in that, The height adjustment port is rectangular, the height adjustment plate is rectangular, and the fixed height bolt is positioned to avoid the reset spring and the reciprocating cam.

9. The cutting device for autoclaved aerated concrete blocks as described in claim 1, characterized in that, Each of the multiple U-shaped lifting frames is rotatably mounted with a lifting screw, and each of the multiple lifting screws is threaded with a lifting plate. Each of the multiple lifting plates is connected to the hoisting frame, and both sides of each of the multiple lifting plates are in sliding contact with the inner wall of the corresponding U-shaped lifting frame.

10. The cutting device for autoclaved aerated concrete blocks as described in claim 9, characterized in that, The bottom of the lifting plate is higher than the bottom of the hoisting frame so that the vertical cutting wire can fully contact the brick transfer plate.

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