Direct-connected drive double-beam large cutting machine

Abstract

The present invention discloses a direct-connected drive double-beam large cutting machine, belonging to the technical field of cutting machines. The large cutting machine includes a cutter head, a motor, and a reduction gearbox. One end of the reduction gearbox is fixedly connected with a connecting plate, the motor is fixedly connected to the connecting plate, the reduction gearbox is rotatably connected with an input shaft at the center of the connecting plate, the input shaft is in transmission connection with the output shaft of the motor, the reduction gearbox is sequentially rotatably connected with a transmission shaft and a main shaft below the main shaft, the input shaft and the transmission shaft are in mutual transmission connection through two first-stage gears, the transmission shaft and the main shaft are in mutual transmission connection through two second-stage gears, a support plate is arranged in the reduction gearbox, one end of the transmission shaft is rotatably connected with the support plate, the middle part of the main shaft is rotatably connected with the support plate, one end of the main shaft extends to the outside of the reduction gearbox, and the cutter head is fixedly connected to the end of the main shaft. The structure of the present invention is simple by the direct connection method, reducing the energy loss in the transmission process, and can ensure the high efficiency and stability of power transmission. The direct connection method reduces the number of transmission components, is easy to maintain, and reduces the cost.

Description

Technical Field

[0001] The present invention relates to the technical field of cutting machines, and particularly to a direct-connected drive double-beam large cutting machine. Background Art

[0002] A large cutting machine is a cutting device used for cutting large objects such as stones. During the cutting process, it needs to bear a large load. In most existing large cutting machines, the orientation of the cutter head is different from that of the motor, which will cause energy loss during the transmission process, and to a certain extent, affect the efficiency and stability of power transmission. Moreover, there are many components, making maintenance more troublesome. Therefore, it is necessary to design a direct-connected drive large cutting machine to solve this problem. Summary of the Invention

[0003] Other features and advantages of the present invention will be described in the following specification, and will be partially obvious from the specification, or understood by implementing the present invention. The objectives and other advantages of the present invention can be achieved and obtained through the structures specifically pointed out in the specification and other specification drawings.

[0004] The objective of the present invention is to overcome the above deficiencies and provide a direct-connected drive double-beam large cutting machine.

[0005] To achieve the above objective, the technical solution of the present invention is: A direct-connected drive double-beam large cutting machine includes a cutter head, a motor, and a reduction gearbox. One end of the reduction gearbox is fixedly connected with a connection disk, the motor is fixedly connected to the connection disk, the reduction gearbox is rotatably connected with an input shaft at the center of the connection disk, the input shaft is in transmission connection with the output shaft of the motor, the reduction gearbox is rotatably connected with a transmission shaft and a main shaft in sequence below the main shaft, the input shaft and the transmission shaft are in mutual transmission connection through two first-stage gears, the transmission shaft and the main shaft are in mutual transmission connection through two second-stage gears, a support plate is arranged in the reduction gearbox, one end of the transmission shaft is rotatably connected with the support plate, the middle part of the main shaft is rotatably connected with the support plate, one end of the main shaft extends to the outside of the reduction gearbox, and the cutter head is fixedly connected to the end of the main shaft.

[0006] By adopting the above technical solution, by arranging a connection disk at one end of the reduction gearbox away from the cutter head, the output shaft of the motor can have the same orientation as the main shaft. Then, through the transmission shaft, a pair of first-stage gears, and a pair of second-stage gears, the power of the motor is decelerated twice to transmit the power of the motor to the main shaft, so as to provide the low speed and high torque required for stone cutting. And through this method, the direct connection between the motor and the reducer is realized. The direct connection method has a simple structure, reduces energy loss during the transmission process, can ensure the efficiency and stability of power transmission. The direct connection method reduces the number of transmission components, is easy to maintain, and reduces costs.

[0007] Preferably, a bearing seat is provided at one end of the speed reducer close to the cutter head. A number of bearings are arranged in the bearing seat, and the main shaft is rotatably connected to the bearing seat through the number of bearings. The present invention utilizes the bearing seat to be able to accommodate multiple bearings with different functions to provide stable support for the main shaft and the cutter head.

[0008] Preferably, the bearing seat is provided with an oil passage, and the oil passage has an outlet facing the number of bearings. The present invention utilizes the oil passage and the outlet on the oil passage to enable the lubricating oil in the speed reducer to flow into the bearings, thereby lubricating the bearings. At the same time, by the flow of the lubricating oil in the bearing seat, the bearings can be cooled.

[0009] Preferably, a number of support components are arranged around the main shaft. Each support component includes a wheel frame, a wheel body, a first elastic member and a base. The base is fixedly connected to the speed reducer, the wheel frame is slidably connected to the base, the first elastic member is arranged between the wheel frame and the base, the wheel body is rotatably connected to the wheel frame, and there is a gap between the wheel body and the main shaft through a limiting mechanism. A triggering mechanism for releasing the limit of the limiting mechanism is arranged below the main shaft of the speed reducer. The present invention utilizes the limiting mechanism to have a certain gap between the wheel body and the main shaft and causes the first elastic member to deform and store energy, so that the main shaft will not come into contact with the wheel body under normal conditions, thereby avoiding wear of the wheel body. When the bearing used to support the main shaft wears and causes the main shaft to drop downward, the triggering mechanism will work, driving the limiting mechanism to release the limit on the wheel body. At this time, the first elastic member will drive the wheel frame to slide so that the wheel body presses against the main shaft, thereby being able to temporarily provide a certain support for the main shaft, thus preventing the main shaft from deviating too much, resulting in tilting of the cutter head and other safety accidents and excessive damage to the mechanism.

[0010] Preferably, the limiting mechanism includes a limiting rope and a number of pressure-receiving members. Each pressure-receiving member is fixedly connected to each wheel frame respectively. Guide wheels are arranged on both sides of each base. The limiting rope bypasses each guide wheel, and the limiting rope presses on the pressure-receiving members. The present invention utilizes the tension of the limiting rope to press against the pressure-receiving members, thereby being able to limit the sliding of the wheel frame. The guide wheels are used to guide the direction of the limiting rope, so that the limiting rope can generate a downward pressure on the wheel frame, thereby being able to balance the elastic force generated by the first elastic member.

[0011] Preferably, the triggering mechanism includes a support frame, a support wheel, and a cutter roller. The support frame is fixedly connected to the reduction gearbox. The support wheel and the cutter roller are both rotatably connected to the support frame. The cutting edge of the cutter roller faces upward. The limiting rope bypasses the cutter roller from below the cutter roller. The cutter roller and the support wheel are drivingly connected to each other. When the main shaft drops in the present invention, it will contact the support wheel. The rotation of the main shaft itself drives the support wheel to rotate through friction. The support wheel transmits the rotation to the cutter roller. The cutter roller rotates to turn the cutting edge towards the limiting rope and cuts the limiting rope. At this time, all the wheel frames contact the limit.

[0012] Preferably, three groups of the support assemblies are provided. Two of the support assemblies are respectively arranged on both sides of the main shaft, and the other is located above the main shaft. The support assembly located above the main shaft is connected to the reduction gearbox through a connecting frame. In the present invention, three groups of support assemblies are the minimum number for providing stable support. The connecting frame is used to fix the support assembly located above the main shaft.

[0013] Preferably, a tensioning frame is slidably connected to the connecting frame. A tensioning wheel is rotatably connected to the tensioning frame. The limiting rope bypasses the tensioning wheel. An elastic member II is arranged between the tensioning frame and the connecting frame. The connecting frame is threadedly connected with an adjusting bolt. The adjusting bolt abuts against the tensioning frame. In the present invention, the position of the tensioning wheel can be adjusted by rotating the adjusting bolt. The upward movement of the tensioning wheel is provided by the elastic member II, and the downward movement of the tensioning wheel is provided by the pressing of the adjusting bolt. The tensioning degree of the limiting rope can be more conveniently adjusted through the tensioning wheel, so as to adjust the distance between the wheel body and the main shaft.

[0014] Preferably, guide wheels are rotatably connected to both sides of the tensioning frame on the connecting frame. In the present invention, the tensioning of the tensioning wheel can be better adjusted by using the guidance of the guide wheels.

[0015] Preferably, the support plate is provided with oil-gas circulation holes.

[0016] In summary, the beneficial effects of the present invention are as follows:

[0017] 1. The direct connection structure is simple, reduces the energy loss in the transmission process, can ensure the high efficiency and stability of power transmission. The direct connection method reduces the number of transmission components, is easy to maintain, and reduces the cost.

[0018] 2. By the mutual cooperation of the triggering mechanism, the limiting mechanism and the support assembly, the main shaft can be supported to a certain extent after the bearing is damaged, reducing the shaking and offset of the main shaft, avoiding the occurrence of safety accidents, and reducing the damage of the reduction gearbox.

[0019] It should be understood that the above general description and the following detailed description are only exemplary and explanatory, and cannot limit the present disclosure.

[0020] Undoubtedly, such objects of the present invention and other objects will become more apparent after the detailed description of the preferred embodiments described in the following with various drawings and illustrations.

[0021] To make the above and other objects, features, and advantages of the present invention more obvious and understandable, one or more preferred embodiments are specifically given below, and in conjunction with the accompanying drawings shown, the detailed description is as follows. Description of the Drawings

[0022] The drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0023] In the drawings, the same components are denoted by the same reference numerals, and the drawings are schematic and not necessarily drawn to actual scale.

[0024] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the following drawings are only one or several embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on such drawings.

[0025] Figure 1 Schematic diagram of the overall structure after removing the support assembly, trigger mechanism, and limit mechanism;

[0026] Figure 2 Schematic diagram of the overall structure;

[0027] Figure 3 For Figure 2 Schematic diagram of the partial enlarged structure at the position of ;

[0028] Figure 4 Schematic diagram of the trigger mechanism structure;

[0029] Figure 5 Schematic diagram of the structure of the support assembly and the tension pulley;

[0030] Figure 6 For Figure 2 Schematic diagram of the sectional structure of.

[0031] Description of Main Reference Numerals: 1. Cutter head; 2. Motor; 3. Reducer; 4. Connection plate; 5. Input shaft; 6. Transmission shaft; 7. Spindle; 8. First-stage gear; 9. Second-stage gear; 10. Support plate; 11. Bearing seat; 12. Oil passage; 13. Wheel carrier; 14. Wheel body; 15. First elastic member; 16. Base; 17. Limit rope; 18. Compressed member; 19. Support frame; 20. Support wheel; 21. Cutter roller; 22. Connection frame; 23. Tensioning frame; 24. Tensioning wheel; 25. Second elastic member; 26. Adjusting bolt; 27. Guide wheel; 28. Oil-gas circulation hole. Detailed implementation manners

[0032] In order to make the objectives, technical solutions and advantages of the present invention clearer and more understandable, the present invention will be further described in detail below in conjunction with specific implementation manners. It should be understood that the specific implementation manners described herein are only used to explain the present invention, but not to limit the present invention.

[0033] In addition, in the description of the present invention, it should be understood that the orientation or positional relationship indicated by terms such as "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention.

[0034] In the present invention, unless otherwise clearly specified and defined, terms such as "installation", "connection", "connection", "fixation", etc. should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be directly connected, or indirectly connected through an intermediate medium, and can be the communication inside two elements or the interaction relationship between two elements. However, indicating a direct connection means that there is no connection relationship constructed by a transition structure between the two connected main bodies, and only a connection structure is used to connect them to form a whole. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0035] In the present invention, unless otherwise clearly defined and limited, the first feature being "on" or "under" the second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. In the description of this specification, the description with reference to terms such as "an embodiment", "some embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.

[0036] As Figures 1-6 shown, a direct-connected double-beam large stone cutter includes a cutter head 1, a motor 2, and a reduction gearbox 3. One end of the reduction gearbox 3 is fixedly connected with a connection disk 4, the motor 2 is fixedly connected to the connection disk 4, the reduction gearbox 3 is rotatably connected with an input shaft 5 at the center of the connection disk 4, the input shaft 5 is in transmission connection with the output shaft of the motor 2, the reduction gearbox 3 is sequentially rotatably connected with a transmission shaft 6 and a main shaft 7 below the main shaft 7, the input shaft 5 and the transmission shaft 6 are in mutual transmission connection through two first-stage gears 8, the transmission shaft 6 and the main shaft 7 are in mutual transmission connection through two second-stage gears 9, a support plate 10 is arranged in the reduction gearbox 3, one end of the transmission shaft 6 is rotatably connected with the support plate 10, the middle part of the main shaft 7 is rotatably connected with the support plate 10, one end of the main shaft 7 extends to the outside of the reduction gearbox 3, and the cutter head 1 is fixedly connected to the end of the main shaft 7.

[0037] By adopting the above technical solution, by arranging the connection disk 4 at one end of the reduction gearbox 3 far from the cutter head 1, the output shaft of the motor 2 can have the same orientation as the main shaft 7, and then the power of the motor 2 is decelerated twice through the transmission shaft 6, a pair of first-stage gears 8, and a pair of second-stage gears 9 to transmit the power of the motor 2 to the main shaft 7, so as to provide the low speed and high torque required for stone cutting. And in this way, the direct connection between the motor 2 and the reducer is realized. The direct connection structure is simple, reduces the energy loss in the transmission process, can ensure the high efficiency and stability of power transmission. The direct connection method reduces the number of transmission components, is easy to maintain, and reduces the cost.

[0038] The reduction gearbox 3 is provided with a bearing seat 11 at one end close to the cutter head 1, and a plurality of bearings are arranged in the bearing seat 11. The main shaft 7 is rotatably connected with the bearing seat 11 through the plurality of bearings. The bearing seat 11 can hold multiple bearings with different functions to provide stable support for the main shaft 7 and the cutter head 1.

[0039] The bearing seat 11 is provided with an oil passage 12 having outlets toward a plurality of bearings. The oil passage 12 and the outlets on the oil passage 12 are utilized to allow the lubricant in the reduction gearbox 3 to flow into the bearings, thereby lubricating the bearings. Meanwhile, the lubricant oil flows in the bearing seat 11, thereby cooling the bearings.

[0040] Several supporting components are arranged around the main shaft 7, each supporting component includes a wheel frame 13, a wheel body 14, an elastic member 15 and a base 16, the base 16 is fixedly connected to the reduction box 3, the wheel frame 13 is slidably connected to the base 16, the elastic member 15 is arranged between the wheel frame 13 and the base 16, the wheel body 14 is rotatably connected to the wheel frame 13, and there is a gap between the wheel body 14 and the main shaft 7 through a limiting mechanism. The reduction box 3 is provided with a trigger mechanism for releasing the limit of the limiting mechanism under the main shaft 7, and the limiting mechanism is used to make a certain gap between the wheel body 14 and the main shaft 7 and The elastic member 15 is deformed and stores energy, so that the main shaft 7 will not come into contact with the wheel body 14 under normal conditions, thereby avoiding wear of the wheel body 14. When the bearing used to support the main shaft 7 is worn and causes the main shaft 7 to fall downward, the trigger mechanism will work, driving the limiting mechanism to release the limit on the wheel body 14. At this time, the elastic member 15 will drive the wheel frame 13 to slide so that the wheel body 14 is pressed against the main shaft 7, thereby temporarily supporting the main shaft 7 to a certain extent, thereby preventing the main shaft 7 from deviating too much, causing the cutter head 1 to tilt, etc., which may lead to safety accidents and excessive damage to the mechanism.

[0041] The limiting mechanism includes a limiting rope 17 and a plurality of pressure-bearing parts 18, each of which is fixedly connected to each wheel frame 13, and guide wheels are provided on both sides of each base 16. The limiting rope 17 passes around each guide wheel, and the limiting rope 17 is pressed on the pressure-bearing part 18. The limiting rope 17 is tensioned and pressed against the pressure-bearing part 18, so as to limit the sliding of the wheel frame 13. The guide wheel is used to guide the direction of the limiting rope 17, so that the limiting rope 17 can generate downward pressure on the wheel frame 13, thereby balancing the elastic force generated by the elastic part 15.

[0042] The trigger mechanism includes a support frame 19, a support wheel 20 and a knife roller 21. The support frame 19 is fixedly connected to the reduction box 3. The support wheel 20 and the knife roller 21 are both rotatably connected to the support frame 19. The blade of the knife roller 21 faces upward, and the limit rope 17 passes around the knife roller 21 from the bottom of the knife roller 21. The knife roller 21 and the support wheel 20 are transmission-connected to each other. When the main shaft 7 falls, it will contact the support wheel 20. The rotation of the main shaft 7 itself drives the support wheel 20 to rotate through friction. The support wheel 20 transmits the rotation to the knife roller 21. The rotation of the knife roller 21 turns the blade toward the limit rope 17, and the limit rope 17 is cut. At this time, all the wheel frames 13 are in contact with the limit.

[0043] There are three sets of support components. Two of the support components are respectively arranged on both sides of the main shaft 7, and the other is located above the main shaft 7. The support component located above the main shaft 7 is connected to the reduction gearbox 3 through the connecting frame 22. Setting three sets of support components is the minimum number to provide stable support. The connecting frame 22 is used to fix the support component located above the main shaft 7.

[0044] A tensioning frame 23 is slidably connected to the connecting frame 22. A tensioning wheel 24 is rotatably connected to the tensioning frame 23. The limiting rope 17 bypasses the tensioning wheel 24. An elastic member II 25 is arranged between the tensioning frame 23 and the connecting frame 22. The connecting frame 22 is threadedly connected with an adjusting bolt 26. The adjusting bolt 26 abuts against the tensioning frame 23. By rotating the adjusting bolt 26, the position of the tensioning wheel 24 can be adjusted. The upward movement of the tensioning wheel 24 is provided by the elastic member II 25, and the downward movement of the tensioning wheel 24 is provided by the pressing of the adjusting bolt 26. By means of the tensioning wheel 24, the tensioning degree of the limiting rope 17 can be adjusted more conveniently, so as to adjust the distance between the wheel body 14 and the main shaft 7.

[0045] Guide wheels 27 are rotatably connected to both sides of the tensioning frame 23 of the connecting frame 22. By using the guidance of the guide wheels 27, the tensioning wheel 24 can adjust the tension better.

[0046] The support plate 10 is provided with an oil and gas circulation hole 28.

[0047] It should be noted that many specific details have been described above to fully understand the present invention. However, the present invention can also be implemented in other ways different from those described herein. Therefore, the protection scope of the present invention is not limited by the specific embodiments disclosed below.

Claims

1. A direct-drive double-beam large-scale cutting machine, comprising a cutter disc (1), a motor (2) and a reduction gearbox (3), characterized in that: One end of the reduction box (3) is fixedly connected to a connecting disk (4), and the motor (2) is fixedly connected to the connecting disk (4). The reduction box (3) is rotatably connected to an input shaft (5) at the center of the connecting disk (4), and the input shaft (5) is transmission-connected to the main shaft (7) of the motor (2). The reduction box (3) is rotatably connected to a transmission shaft (6) and the main shaft (7) below the input shaft (5). The input shaft (5) and the transmission shaft (6) are transmission-connected to each other via two primary gears (8), and the transmission shaft (6) and the main shaft (7) are transmission-connected to each other via two secondary gears (9). A support plate (10) is provided in the reduction box (3), one end of the transmission shaft (6) is rotationally connected to the support plate (10), and the middle part of the main shaft (7) is rotationally connected to the support plate (10). One end of the main shaft (7) extends to the outside of the reduction box (3), and the cutter head (1) is fixedly connected to the end of the main shaft (7); The main shaft (7) is surrounded by a plurality of support assemblies, each of which comprises a wheel frame (13), a wheel body (14), an elastic member 1 (15) and a base (16); the base (16) is fixedly connected to the reduction box (3); the wheel frame (13) is slidably connected to the base (16); the elastic member 1 (15) is arranged between the wheel frame (13) and the base (16); the wheel body (14) is rotatably connected to the wheel frame (13); a gap is formed between the wheel body (14) and the main shaft (7) via a limiting mechanism; and the reduction box (3) is provided with a trigger mechanism for releasing the limiting mechanism below the main shaft (7); The limiting mechanism comprises a limiting rope (17) and a plurality of pressure-bearing members (18), each of the pressure-bearing members (18) being fixedly connected to each wheel frame (13), guide wheels being arranged on both sides of each of the bases (16), the limiting rope (17) passing around each guide wheel, and the limiting rope (17) pressing on the pressure-bearing member (18); The trigger mechanism comprises a support frame (19), a support wheel (20) and a knife roller (21); the support frame (19) is fixedly connected to the reduction box (3); the support wheel (20) and the knife roller (21) are both rotatably connected to the support frame (19); the blade of the knife roller (21) faces upward; the limit rope (17) passes around the knife roller (21) from below the knife roller (21); and the knife roller (21) and the support wheel (20) are transmission-connected to each other.

2. The direct-drive double-beam large-scale cutting machine according to claim 1 is characterized in that: The reduction box (3) is provided with a bearing seat (11) at one end close to the cutter disc (1), a plurality of bearings are provided in the bearing seat (11), and the main shaft (7) is rotatably connected to the bearing seat (11) via the plurality of bearings.

3. The direct-drive double-beam large-scale cutting machine according to claim 2 is characterized in that: The bearing seat (11) is provided with an oil passage (12), and the oil passage (12) has an outlet facing the plurality of bearings.

4. The direct-drive double-beam large-scale cutting machine according to claim 1 is characterized in that: The support components are provided in three groups, two of which are provided on both sides of the main shaft (7), and the other is located above the main shaft (7). The support components located above the main shaft (7) are connected to the reduction box (3) via a connecting frame (22).

5. The direct-drive double-beam large-scale cutting machine according to claim 4 is characterized in that: The connecting frame (22) is slidably connected to a tensioning frame (23), the tensioning frame (23) is rotatably connected to a tensioning wheel (24), the limiting rope (17) passes around the tensioning wheel (24), an elastic member 2 (25) is provided between the tensioning frame (23) and the connecting frame (22), the connecting frame (22) is threadedly connected to an adjusting bolt (26), and the adjusting bolt (26) is in contact with the tensioning frame (23).

6. The direct-drive double-beam large-scale cutting machine according to claim 5, characterized in that: The connecting frame (22) is rotatably connected to guide wheels (27) on both sides of the tensioning frame (23).

7. The direct-drive double-beam large-scale cutting machine according to claim 1 is characterized in that: The support plate (10) is provided with an oil and gas circulation hole (28).

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