Multi-wire cutting unit with stable tension and multi-wire cutting machine

Abstract

The invention relates to the technical field of wire cutting machines, and provides a multi-wire cutting unit with stable tension and a multi-wire cutting machine, the multi-wire cutting unit comprises a bearing frame, a first take-up and pay-off device, a second take-up and pay-off device, a cutting wire and four rollers mounted on the bearing frame; at least two first take-up and pay-off devices are arranged at one end of the bearing frame, and at least two second take-up and pay-off devices are arranged at the other end of the bearing frame; the four rollers are sequentially divided into at least two independent winding subareas in the length direction, a cutting line is wound around each independent winding subarea of the four rollers, one end of each cutting line is connected with a first take-up and pay-off device, and the other end of each cutting line is connected with a second take-up and pay-off device. The multi-wire cutting device has the advantages that the tensioning force of each cutting wire segment on the multi-wire cutting unit can be kept stable, and the replacement frequency of the cutting wire is reduced; and meanwhile, the roller can be conveniently disassembled and assembled, and the span of the cutting net surface can be adjusted.

Description

Technical Field

[0001] The present invention relates to the technical field of wire cutting machines, and particularly relates to a multi-wire cutting unit and a multi-wire cutting machine with stable tension. Background Art

[0002] Stone materials are widely used in construction. In order to turn a whole stone material into a plate, it is necessary to cut the stone material with the aid of a cutting tool. Wire cutting machines are very popular because of their advantages such as small cutting saw seams. With the continuous progress of technology, wire cutting machines have been applied to the cutting of stone materials.

[0003] A wire cutting machine mainly consists of a bracket and a cutting unit. Among them, 4 roller rollers are arranged on the cutting unit, and a cutting wire is wound around the 4 roller rollers, and the cutting wire forms a cutting mesh surface between the 2 roller rollers below; for example, a Chinese invention patent with the application number CN202210406677.X discloses a four-column four-guide-wheel lifting type multi-wire cutting machine for stone slabs. However, the existing wire cutting machines have the following defects in actual use: 1. The whole wire cutting machine is only provided with a set of wire winding and unwinding devices (that is, two wire winding and unwinding devices) and a cutting wire. On the one hand, only two wire winding and unwinding devices' mutual pulling force can be relied on to achieve the tension of the cutting wire for one cutting wire, and this cutting wire needs to be wound around the 4 roller rollers multiple times to form the whole cutting mesh surface. Due to the influence of the self-gravity of the cutting wire and the friction force on the roller rollers, it is difficult to keep the tension of each cutting segment on the cutting mesh surface stable, which will affect the actual cutting effect; on the other hand, one cutting wire is easily consumed and needs to be replaced frequently, and the process of replacing the cutting wire is very complicated, which will affect the actual production; 2. It is inconvenient to disassemble and assemble the roller rollers; 3. During the use process, the span of the cutting mesh surface cannot be adjusted according to actual needs, and too large or too small span of the cutting mesh surface will bring adverse effects. In view of the above problems, the inventor of this case has conducted in-depth research on this problem, and thus this case has emerged. Summary of the Invention

[0004] In view of the above technical problems existing in the present invention, the purpose of the present invention is to provide a multi-wire cutting unit and a multi-wire cutting machine with stable tension, which is beneficial to keeping the tension of each cutting segment on the multi-wire cutting unit stable and can reduce the replacement frequency of the cutting wire; at the same time, it can also facilitate the disassembly and assembly of the roller rollers and realize the adjustment of the span of the cutting mesh surface.

[0005] The present invention is implemented as follows: In a first aspect, a multi-wire cutting unit with stable tension includes a carrier, a first wire winding and unwinding device, a second wire winding and unwinding device, a cutting wire, and four roller rolls mounted on the carrier; at least two first wire winding and unwinding devices are provided at one end of the carrier, and at least two second wire winding and unwinding devices are provided at the other end of the carrier; the four roller rolls are sequentially divided into at least two independent wire winding zones along the length direction, and each of the four roller rolls is wound with a cutting wire in each independent wire winding zone. One end of each cutting wire is connected to a first wire winding and unwinding device, and the other end of each cutting wire is connected to a second wire winding and unwinding device.

[0006] Further, the four roller rolls are sequentially divided into at least two independent wire winding zones of the same size along the length direction.

[0007] Further, the carrier includes a first carrier body and a second carrier body arranged at a distance. On both sides of the opposite sides of the first carrier body and the second carrier body, first carrier seats are provided at the upper and lower ends. A roller roll support groove is formed on each first carrier seat, and each first carrier seat is detachably connected with a first tightening member. The two ends of the roller roll are supported on the roller roll support groove, and the two ends of the roller roll are tightened on the first carrier seat through the first tightening member.

[0008] Further, both the first carrier body and the second carrier body include support columns on both sides and a plurality of support cross beams connected between the two support columns. The first carrier seat is integrally formed with the support column, and the notch of the roller roll support groove is inclined upward or vertically upward.

[0009] Further, at least one support tray is provided on the side of the first carrier body and the second carrier body facing away from the roller roll; Both the first wire winding and unwinding device and the second wire winding and unwinding device include a wire winding and unwinding mechanism slidably arranged on the support tray. A first sliding driving mechanism is arranged between the wire winding and unwinding mechanism and the support tray, and the wire winding and unwinding mechanism is driven by the first sliding driving mechanism to slide and adjust along the axial direction of the roller roll; Both the first wire winding and unwinding device and the second wire winding and unwinding device further include a tensioning mechanism slidably arranged on the support cross beam. A second sliding driving mechanism is arranged between the tensioning mechanism and the support cross beam, and the tensioning mechanism is driven by the second sliding driving mechanism to slide and adjust along the axial direction of the roller roll; the wire winding and unwinding mechanism and the tensioning mechanism are arranged at different heights.

[0010] Further, a carrier adjustment mechanism is further included. Carrier adjustment mechanisms are provided on both sides of the first carrier body, and the first carrier body is driven by the carrier adjustment mechanism to move and adjust in a direction away from or close to the second carrier body.

[0011] Further, the carrier adjusting mechanism includes a guide post, a guide post support, and a telescopic cylinder; On both sides of the middle of the first carrier body, second carrier seats are integrally formed. A guide post installation groove is formed on the second carrier seat. A second tightening member is detachably connected to the second carrier seat, and the guide post is tightened on the second carrier seat through the second tightening member. Both ends of the guide post are fixedly supported by guide post supports. The telescopic cylinder is installed on the second carrier seat, and the movable end of the telescopic cylinder is connected to one of the guide post supports.

[0012] Further, the carrier further includes a strengthening beam. The upper ends of both sides of the first carrier body and the second carrier body are connected by the strengthening beam, and the first carrier body and the strengthening beam are in sliding fit connection.

[0013] Further, a plurality of hollow openings are formed on both the support column and the support cross beam, and the cross section of the support column is in a square structure.

[0014] In a second aspect, a multi-wire cutting machine uses the above multi-wire cutting unit.

[0015] By adopting the technical solution of the present invention, there are at least the following beneficial effects: 1. On the one hand, compared with the existing method of setting a set of wire winding and unwinding devices and a single cutting wire, by using multiple sets of wire winding and unwinding devices and multiple cutting wires in cooperation, each cutting wire can only wind around and occupy a part of four roller rollers. In this way, both the self-weight of each cutting wire can be reduced, and the friction with the roller rollers can also be reduced, making the tension of each cutting wire more stable. Furthermore, the tension of each cutting segment on the cutting mesh surface formed by the entire multi-wire cutting unit can be kept stable, which helps to improve the cutting effect. On the other hand, compared with the existing method of using a single cutting wire, by using multiple cutting wires, the replacement frequency of the cutting wire can be effectively reduced, and thus the impact on actual production can be reduced.

[0016] 2. By designing that both the upper and lower ends of the two sides of the opposite surfaces of the first carrier body and the second carrier body are provided with first carrier seats, and at the same time each first carrier seat is detachably connected with a first tightening member; during the specific use process, when it is necessary to disassemble the roller roller, only the first tightening member needs to be disassembled and separated from the first carrier seat; and when it is necessary to install the roller roller, only the roller roller needs to be placed in the roller roller support groove and tightened by the first tightening member. Therefore, the disassembly and replacement operation of the roller roller can be very convenient.

[0017] 3. By providing support pallets on the sides of the first and second load-bearing bodies facing away from the roller, and designing that both the first and second wire winding and unwinding devices include a wire winding and unwinding mechanism slidably arranged on the support pallet and a tensioning mechanism slidably arranged on the support crossbeam, during actual use, not only can the positions of the wire winding and unwinding mechanism and the tensioning mechanism be flexibly adjusted according to actual usage requirements, but also it can be ensured that the wire winding and unwinding mechanism and the tensioning mechanism do not interfere with each other during operation, which brings great convenience to the actual installation and use of multiple sets of wire winding and unwinding devices.

[0018] 4. By providing load-bearing frame adjustment mechanisms on both sides of the first load-bearing body, during actual use, the load-bearing frame adjustment mechanism can be used to drive the first load-bearing body to move away from or closer to the second load-bearing body, thereby realizing flexible adjustment of the span of the cutting mesh surface to meet the cutting requirements of various specifications of stones and ensuring the cutting effect. Description of the Drawings

[0019] The present invention will be further described below with reference to the drawings in conjunction with embodiments.

[0020] Figure 1 is one of the three-dimensional structure diagrams of a multi-wire cutting unit with stable tension of the present invention; Figure 2 is the second three-dimensional structure diagram of a multi-wire cutting unit with stable tension of the present invention; Figure 3 is the assembly structure diagram of the load-bearing frame and the first and second wire winding and unwinding devices of the present invention; Figure 4 is the three-dimensional structure diagram of the first load-bearing body of the present invention; Figure 5 is the assembly structure diagram of the second load-bearing body and the first and second wire winding and unwinding devices of the present invention; Figure 6 is the assembly structure diagram of the first load-bearing body and the load-bearing frame adjustment mechanism of the present invention; Figure 7 is the structure diagram of the roller of the present invention; Figure 8 is the layout schematic diagram of setting 4 cutting wires of the present invention; Figure 9 is the structure diagram of a multi-wire cutting machine of the present invention.

[0021] Description of the Reference Numerals: Multi-wire cutting unit 100; Multi-wire cutting machine 200; Carrier frame 1, first carrier main body 11, second carrier main body 12, first carrier seat 13, roller support groove 131, first tightening member 14, support column 151, support crossbeam 152, hollow opening 153, support pallet 16, second carrier seat 17, guide post installation groove 171, second tightening member 18, strengthening beam 19, adjustment chute 191, pressing plate 192; First wire winding and unwinding device 2; Second wire winding and unwinding device 3; Cutting wire 4; Roller 5, tightening main body 51, first driving motor 52; Wire winding and unwinding mechanism 61, tensioning mechanism 62, first sliding driving mechanism 63, second sliding driving mechanism 64, slider 651, slide rail 652, second driving motor 661, driving gear 662, rack 663; Carrier frame adjustment mechanism 7, guide post 71, guide post support 72, support body 721, third tightening member 722, telescopic cylinder 73; Support frame 81, lifting frame 82, lifting driving mechanism 83, walking passage 84, walking ladder 85, protective cover 86, maintenance door 87. Specific implementation mode

[0022] In order to better understand the technical solution of the present invention, the technical solution of the present invention will be described in detail below in conjunction with the specification drawings and specific implementation modes.

[0023] It should be noted here that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing these implementation modes 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. In addition, the terms "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first", "second", etc. may explicitly or implicitly include one or more of such features. Embodiment 1

[0024] Please refer to Figures 1 to 8As shown in the figure, a multi-wire cutting unit 100 with stable tension of the present invention, the multi-wire cutting unit 100 includes a carrier 1, a first wire winding and unwinding device 2, a second wire winding and unwinding device 3, a cutting wire 4, and four roller rollers 5 installed on the carrier 1; wherein, the carrier 1 is used to carry various components such as the first wire winding and unwinding device 2, the second wire winding and unwinding device 3, and the roller roller 5; the first wire winding and unwinding device 2 and the second wire winding and unwinding device 3 are both used to realize the functions of wire winding and unwinding; the cutting wire 4 can specifically adopt a diamond cutting wire and is used to realize the cutting function; the roller roller 5 is used to wind the cutting wire 4 and drive the cutting wire 4 to transmit to realize cutting.

[0025] At least two first wire winding and unwinding devices 2 are provided at one end of the carrier 1, and at least two second wire winding and unwinding devices 3 are provided at the other end of the carrier 1; the four roller rollers 5 are sequentially divided into at least two independent wire winding zones along the length direction, and each of the four roller rollers 5 is wound with a cutting wire 4 in each independent wire winding zone, and one end of each cutting wire 4 is connected to a first wire winding and unwinding device 2, and the other end of each cutting wire 4 is connected to a second wire winding and unwinding device 3.

[0026] In the present invention, by dividing the four roller rollers 5 into at least two independent wire winding zones along the length direction, and winding a cutting wire 4 in each independent wire winding zone, and connecting one end of each cutting wire 4 to a first wire winding and unwinding device 2, and connecting the other end of each cutting wire 4 to a second wire winding and unwinding device 3; in the specific use process, on the one hand, compared with the existing method of setting a set of wire winding and unwinding devices and a cutting wire, by using multiple sets of wire winding and unwinding devices and multiple cutting wires 4 in cooperation, each cutting wire 4 can only wind and occupy a part of the four roller rollers 5, which can not only reduce the self-gravity of each cutting wire 4, but also reduce the friction with the roller roller 5, make the tension of each cutting wire 4 more stable, and further make the tension of each cutting segment on the cutting mesh surface formed by the entire multi-wire cutting unit 100 remain stable, which helps to improve the cutting effect; on the other hand, compared with the existing method of using a single cutting wire, by using multiple cutting wires, the replacement frequency of the cutting wire 4 can be effectively reduced, and further the impact on actual production can be reduced.

[0027] In some embodiments of the present invention, the four roller rollers 5 are sequentially divided into at least two independent wire winding zones with the same size along the length direction. By making the sizes of the independent wire winding zones the same, the tension of each cutting wire 4 can be more balanced. In order to better maintain the stability of the tension of each cutting segment on the cutting mesh surface and effectively reduce the replacement frequency of the cutting wire 4; as a specific implementation manner of the present invention, please refer to Figure 8As shown, the four roller rollers 5 are sequentially divided into 4 independent winding zones of the same size along the length direction. One end of the carrier 1 is correspondingly provided with 4 first winding and unwinding devices 2, and the other end of the carrier 1 is correspondingly provided with 4 second winding and unwinding devices 3. In this way, during the specific use process, 4 cutting lines 4 can be wound on the four roller rollers 5, and each cutting line 4 is correspondingly connected to a first winding and unwinding device 2 and a second winding and unwinding device 3. Of course, the above is only a specific implementation manner of the present invention, but the present invention is not limited thereto. During the specific implementation, the number of independent winding zones, the first winding and unwinding device 2 and the second winding and unwinding device 3 can be adjusted according to actual needs, and at the same time, the sizes of the independent winding zones can also be different.

[0028] In some embodiments of the present invention, the carrier 1 includes a first carrier body 11 and a second carrier body 12 arranged at intervals. Both sides of the opposite surfaces of the first carrier body 11 and the second carrier body 12 are provided with first carrier seats 13 at the upper and lower ends. A roller roller support groove 131 is formed on each first carrier seat 13. The roller roller support groove 131 is used to support the roller roller 5. Each first carrier seat 13 is detachably connected with a first tightening member 14. The two ends of the roller roller 5 are supported on the roller roller support groove 131, and the two ends of the roller roller 5 are tightened on the first carrier seat 13 through the first tightening member 14. Specifically, bolts or screws can be used to lock the first tightening member 14 and the first carrier seat 13 together, so that the first tightening member 14 can tighten the roller roller 5 on the first carrier seat 13.

[0029] In the present invention, by designing that both sides of the opposite surfaces of the first carrier body 11 and the second carrier body 12 are provided with first carrier seats 13 at the upper and lower ends, and at the same time, each first carrier seat 13 is detachably connected with a first tightening member 14; during the specific use process, when the roller roller 5 needs to be disassembled, only the first tightening member 14 needs to be loosened or disassembled from the first carrier seat 13; and when the roller roller 5 needs to be installed, only the roller roller 5 needs to be placed in the roller roller support groove 131 and tightened by the first tightening member 14. Therefore, the disassembly and replacement operation of the roller roller 5 can be very convenient.

[0030] During the specific implementation of the present invention, tightening bodies 51 are arranged at both ends of the roller roller 5. The roller roller 5 is rotatably connected with the tightening bodies 51, and a first driving motor 52 is connected to the end of any one end of the roller roller 5 to drive the roller roller 5 to rotate by using the first driving motor 52. When installing the roller roller 5, the tightening bodies 51 at both ends of the roller roller 5 need to be placed in the roller roller support groove 131, and the tightening bodies 51 are tightened on the first carrier seat 13 by using the first tightening member 14. In this way, the support requirement for the roller roller 5 can be met by using the first carrier seat 13, and the roller roller 5 can rotate under the drive of the first driving motor 52.

[0031] In some embodiments of the present invention, both the first bearing body 11 and the second bearing body 12 include support columns 151 located on both sides and a plurality of support cross beams 152 connected between the two support columns 151. The first bearing seat 13 is integrally formed with the support column 151 to ensure the support strength of the first bearing seat 13, and the notch of the roller support groove 131 is arranged obliquely upward or vertically upward, so that before the roller 5 is tightened by the first tightening member 14, it can be supported by the roller support groove 131 of the first bearing seat 13, thus facilitating installation more conveniently.

[0032] In some embodiments of the present invention, at least one support tray 16 is provided on the side of the first bearing body 11 and the second bearing body 12 facing away from the roller 5; Both the first wire winding and unwinding device 2 and the second wire winding and unwinding device 3 include a wire winding and unwinding mechanism 61 slidably arranged on the support tray 16. A first sliding driving mechanism 63 is arranged between the wire winding and unwinding mechanism 61 and the support tray 16, and the wire winding and unwinding mechanism 61 is driven by the first sliding driving mechanism 63 to slide and adjust along the axis direction of the roller 5; The first wire winding and unwinding device 2 and the second wire winding and unwinding device 3 further include a tensioning mechanism 62 slidably arranged on the support cross beam 152. A second sliding driving mechanism 64 is arranged between the tensioning mechanism 62 and the support cross beam 152, and the tensioning mechanism 62 is driven by the second sliding driving mechanism 64 to slide and adjust along the axis direction of the roller 5; The wire winding and unwinding mechanism 61 and the tensioning mechanism 62 are arranged at different heights, so that the wire winding and unwinding mechanism 61 and the tensioning mechanism 62 will not affect each other during operation. It should be noted that in the present invention, both the wire winding and unwinding mechanism 61 and the tensioning mechanism 62 are components that must be used in existing wire cutting machines, and their specific structures and working principles are well-known to those skilled in the art, so the wire winding and unwinding mechanism 61 and the tensioning mechanism 62 will not be introduced in detail here; At the same time, at least two groups of sliders 651 and slide rails 652 are used for sliding assembly between the wire winding and unwinding mechanism 61 and the support tray 16 and between the tensioning mechanism 62 and the support cross beam 152 to ensure the smoothness of the wire winding and unwinding mechanism 61 and the tensioning mechanism 62 during the sliding process.

[0033] In the present invention, support pallets 16 are provided on the sides of the first load-bearing body 11 and the second load-bearing body 12 facing away from the roller 5. At the same time, it is designed that both the first wire winding and unwinding device 2 and the second wire winding and unwinding device 3 include a wire winding and unwinding mechanism 61 slidably arranged on the support pallet 16 and a tensioning mechanism 62 slidably arranged on the support cross beam. During the specific use process, not only can the positions of the wire winding and unwinding mechanism 61 and the tensioning mechanism 62 be flexibly adjusted according to actual use requirements, but also it can be ensured that the wire winding and unwinding mechanism 61 and the tensioning mechanism 62 do not affect each other during operation, which can bring great convenience to the actual installation and use of multiple sets of wire winding and unwinding devices.

[0034] In the present invention, the first sliding drive mechanism 63 and the second sliding drive mechanism 64 both include a second drive motor 661, a drive gear 662, and a rack 663. Among them, racks 663 are fixedly provided on both the support pallet 16 and the support cross beam 152, and second drive motors 661 are provided on both the wire winding and unwinding mechanism 61 and the tensioning mechanism 62. The output end of the second drive motor 661 is engaged with the rack 663 through the drive gear 662. During operation, the drive gear 662 is driven to rotate by the second drive motor 661. Since the rack 663 is fixed on the support pallet 16 or the support cross beam 152, the wire winding and unwinding mechanism 61 or the tensioning mechanism 62 can be driven to move and adjust under the action of the drive gear 662 and the rack 663.

[0035] In some embodiments of the present invention, the multi-wire cutting unit 100 further includes a load-bearing frame adjustment mechanism 7. Load-bearing frame adjustment mechanisms 7 are provided on both sides of the first load-bearing body 11, and the first load-bearing body 11 is driven to move and adjust in a direction away from or close to the second load-bearing body 12 through the load-bearing frame adjustment mechanism 7.

[0036] In the present invention, by providing load-bearing frame adjustment mechanisms 7 on both sides of the first load-bearing body 11, during the specific use process, the load-bearing frame adjustment mechanism 7 can be used to drive the first load-bearing body 11 to move and adjust in a direction away from or close to the second load-bearing body 12, so as to flexibly adjust the span of the cutting mesh surface to meet the cutting requirements of various specifications of stones and ensure the cutting effect.

[0037] In some embodiments of the present invention, the load-bearing frame adjustment mechanism 7 includes a guide post 71, a guide post support 72, and a telescopic cylinder 73. Among them, the telescopic cylinder 73 can specifically adopt an oil cylinder, etc. The first bearing body 11 is integrally formed with second bearing seats 17 in the middle of both sides to ensure the support strength of the second bearing seats 17. Guide post mounting grooves 171 are formed on the second bearing seats 17. A second clamping member 18 is detachably connected to the second bearing seat 17. Specifically, bolts or screws can be used to lock and connect the second clamping member 18 to the second bearing seat 17, and the guide post 71 is clamped on the second bearing seat 17 through the second clamping member 18. Both ends of the guide post 71 are fixedly supported by guide post supports 72. The telescopic cylinder 73 is installed on the second bearing seat 17, and the movable end of the telescopic cylinder 73 is connected to one of the guide post supports 72.

[0038] In the present invention, by providing second bearing seats 17 in the middle of both sides of the first bearing body 11, and each second bearing seat 17 is detachably connected with a second clamping member 18. During specific use, when it is necessary to move and adjust the first bearing body 11, the second clamping member 18 can be loosened so that the first bearing body 11 can slide relative to the guide post 71. After adjusting the position of the first bearing body 11, it is necessary to use the second clamping member 18 to clamp the guide post 71 on the second bearing seat 17, so that the first bearing body 11 cannot move during use, thereby improving the use stability.

[0039] When the present invention is specifically implemented, the guide post support 72 includes a support body 721 and a third clamping member 722 detachably connected to the support body 721. Specifically, bolts or screws can be used to lock and connect the third clamping member 722 to the support body 721, and the end of the guide post 71 is clamped on the support body 721 through the third clamping member 722.

[0040] In some embodiments of the present invention, the carrier frame 1 further includes a strengthening beam 19. The upper ends of both sides of the first bearing body 11 and the second bearing body 12 are connected by the strengthening beam 19, so that the first bearing body 11 and the second bearing body 12 can be connected into one body, thereby improving the strength of the entire carrier frame 1. And the first bearing body 11 and the strengthening beam 19 are in sliding fit connection, so that the first bearing body 11 can slide relative to the strengthening beam 19. When the present invention is specifically implemented, the strengthening beam 19 is provided with an adjustment sliding groove 191 along the length direction, and a pressing plate 192 is arranged outside the strengthening beam 19. And a locking member (not shown) passing through the adjustment sliding groove 191 is used to lock the pressing plate 192 and the first bearing body 11 together. The locking member can be a nut and a bolt. When it is necessary to slide and adjust the first bearing body 11, only the locking member needs to be loosened. After adjusting the position of the first bearing body 11, the locking member needs to be locked again to ensure that the first bearing body 11 cannot move during use.

[0041] In some embodiments of the present invention, a plurality of hollow openings 153 are formed in both the support columns 151 and the support cross beams 152 to reduce the weight of the entire carrier 1, and the cross section of the support column 151 is in a square structure to better meet the support and assembly requirements. Embodiment 2

[0042] Please refer to Figures 1 to 9 As shown, a multi-wire cutting machine 200 of the present invention includes a multi-wire cutting unit 100, a support frame 81, a lifting frame 82, and a lifting drive mechanism 83. Among them, the specific structure and the technical effects that can be obtained of the multi-wire cutting unit 100 are exactly the same as those in Embodiment 1. For the specific details, please refer to the detailed description in Embodiment 1 and will not be elaborated here; since a jacking multi-wire cutting machine already exists in the prior art, the lifting drive mechanism 83 can specifically adopt the drive mechanism of the existing jacking multi-wire cutting machine; the multi-wire cutting unit 100 is arranged on the top of the support frame 81, the lifting frame 82 is arranged at the bottom of the support frame 81, and the lifting frame 82 is connected to the support frame 81 through the lifting drive mechanism 83; during operation, the stone to be cut needs to be placed on the lifting frame 82, and the lifting drive mechanism 83 is used to drive the lifting frame 82 to drive the stone to rise, so that the multi-wire cutting unit 100 can cut the stone on the lifting frame 82.

[0043] When the present invention is specifically implemented, a walking passage 84 is further arranged around the multi-wire cutting unit 100 at the upper end of the support frame 81 to facilitate the staff to walk on the walking passage 84, and the walking passage 84 is provided with a walking ladder 85 extending to the ground; at the same time, protective covers 86 for covering the first wire winding and unwinding device 2 and the second wire winding and unwinding device 3 are arranged at both ends of the multi-wire cutting unit 100 to protect the first wire winding and unwinding device 2 and the second wire winding and unwinding device 3 by means of the protective covers 86, and the protective covers 86 are provided with maintenance doors 87 to facilitate opening the maintenance doors 87 during use to perform maintenance on the first wire winding and unwinding device 2 and the second wire winding and unwinding device 3.

[0044] Although the specific implementation manners of the present invention have been described above, those skilled in the art should understand that the specific embodiments we described are illustrative rather than used to limit the scope of the present invention. Equivalent modifications and variations made by those skilled in the art in accordance with the spirit of the present invention should be covered by the scope protected by the claims of the present invention.

Claims

1. A multi-wire cutting unit with stable tension, comprising a carrier frame, a first wire winding and unwinding device, a second wire winding and unwinding device, a cutting wire, and four roller rollers installed on the carrier frame; characterized in that: At one end of the carrier frame, there are at least two first wire winding and unwinding devices, and at the other end of the carrier frame, there are at least two second wire winding and unwinding devices; the four roller rolls are sequentially divided into at least two independent wire winding zones along the length direction, and a cutting wire is wound around each of the four roller rolls in each independent wire winding zone. One end of each cutting wire is connected to a first wire winding and unwinding device, and the other end of each cutting wire is connected to a second wire winding and unwinding device.

2. The multi-wire cutting unit with stable tension force according to claim 1, characterized in that: The four roller rolls are sequentially divided into at least two independent wire winding zones with the same size along the length direction.

3. The multi-wire cutting unit with stable tension according to claim 1, characterized in that: The carrier frame includes a first carrier body and a second carrier body arranged at intervals. On both sides of the opposite surfaces of the first carrier body and the second carrier body, first carrier seats are provided at the upper and lower ends. A roller roll support groove is formed on each first carrier seat, and each first carrier seat is detachably connected with a first tightening member. The two ends of the roller roll are supported on the roller roll support groove, and the two ends of the roller roll are tightened on the first carrier seat through the first tightening member.

4. The multi-wire cutting unit with stable tension according to claim 3, wherein: Both the first carrier body and the second carrier body include support columns on both sides and a plurality of support cross beams connected between the two support columns. The first carrier seat is integrally formed with the support column, and the notch of the roller roll support groove is inclined upward or vertically upward.

5. The multi-wire cutting unit with stable tension according to claim 4, characterized in that: At least one support tray is provided on the side of the first carrier body and the second carrier body facing away from the roller roll. Both the first wire winding and unwinding device and the second wire winding and unwinding device include a wire winding and unwinding mechanism slidably arranged on the support tray. A first sliding driving mechanism is arranged between the wire winding and unwinding mechanism and the support tray, and the wire winding and unwinding mechanism is driven by the first sliding driving mechanism to slide and adjust along the axis direction of the roller roll. Both the first wire winding and unwinding device and the second wire winding and unwinding device further include a tensioning mechanism slidably arranged on the support cross beam. A second sliding driving mechanism is arranged between the tensioning mechanism and the support cross beam, and the tensioning mechanism is driven by the second sliding driving mechanism to slide and adjust along the axis direction of the roller roll; the wire winding and unwinding mechanism and the tensioning mechanism are arranged at positions with different heights.

6. The multi-wire cutting unit with stable tension according to claim 3, wherein: It further includes a carrier frame adjusting mechanism. The carrier frame adjusting mechanism is arranged on both sides of the first carrier body, and the first carrier body is driven by the carrier frame adjusting mechanism to move and adjust in a direction away from or close to the second carrier body.

7. The multi-wire cutting unit with stable tension according to claim 6, characterized in that: The carrier frame adjusting mechanism includes a guide post, a guide post support seat and a telescopic cylinder. Second carrier seats are integrally formed in the middle of both sides of the first carrier body. A guide post installation groove is formed on the second carrier seat. The second carrier seat is detachably connected with a second tightening member, and the guide post is tightened on the second carrier seat through the second tightening member; both ends of the guide post are fixedly supported through the guide post support seat; the telescopic cylinder is installed on the second carrier seat, and the movable end of the telescopic cylinder is connected to one of the guide post support seats.

8. The multi-wire cutting unit with stable tension according to claim 6, wherein: The carrier frame further includes a strengthening beam. The upper ends of both sides of the first carrier body and the second carrier body are connected through the strengthening beam, and the first carrier body and the strengthening beam are in sliding assembly connection.

9. The multi-wire cutting unit with stable tension according to claim 4, characterized in that: A plurality of hollow openings are formed on both the support column and the support cross beam, and the cross section of the support column is in a square structure.

10. A multi-wire cutting machine, characterized in that: The multi-wire cutting machine adopts the multi-wire cutting unit described in any one of claims 1-9.

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