Band sawing machine with multiple saw wheels and multiple saw frames

Abstract

The multi-saw-wheel and multi-saw-frame band sawing machine comprises a machine base, a platform and a gantry saw frame structure, a driving saw wheel structure and a driven saw wheel structure are arranged on the gantry saw frame structure, the gantry saw frame structure is arranged on the machine base in a gantry shape, and the driving saw wheel structure and the driven saw wheel structure are arranged on the two sides of the main face of a saw frame. The saw blade is wound on a driving saw wheel of the driving saw wheel structure and a driven saw wheel of the driven saw wheel structure respectively, and the platform is used for conveying plates to the saw blade for cutting, and is characterized in that the machine base comprises at least two groups of gantry saw frame structures, the driving saw wheel structure comprises at least two groups of driving wheel groups, and the driven saw wheel group comprises at least two groups of driven wheel groups. The driven saw wheel structure comprises at least two driven wheel sets, and the central axis of the driving saw wheel structure and the central axis of the driven saw wheel structure are located on the same horizontal plane.

Description

Technical Field

[0001] The invention relates to the technical field of wood processing equipment, in particular to a band saw machine with multiple saw wheels and multiple saw frames. Background Art

[0002] A band saw machine is a saw machine that uses a ring-shaped endless band saw blade as a saw tool, which is wound around a saw wheel and makes continuous rotating motion in the same direction to saw. Its main purpose is woodworking sawing operations. Through the cutting operation of the band saw machine, the wood is made to meet the requirements of production. The band saw machine is efficient and practical and is widely used. With the continuous expansion of production activities, the working efficiency and functions of the band saw machine are also improved accordingly. For example, the type of band saw machine with multiple saw wheels makes it convenient for users to cut wood into multiple pieces of boards on a band saw machine, greatly improving work efficiency and reducing production costs. However, the existing band saw machines are not perfect enough. A band saw machine has only one set of multiple saw wheels, which can only cut boards of different thicknesses, wasting time. If you want to complete the board cutting task quickly, the user needs to purchase multiple band saw machines to work together, which is not only costly, but also the band saw machine occupies a large area, causing inconvenience. Summary of the invention

[0003] The technical problem to be solved by the present invention is to provide a multi-saw wheel and multi-saw frame band saw machine, on the machine base of which at least two groups of gantry saw frame structures can be installed, and at least one group of horizontally movable gantry saw frame structures can be set, which can cut a variety of plates of different thicknesses and sizes at the same time, saving users' time, so as to overcome the shortcomings of the prior art.

[0004] In order to solve the above technical problems, the technical solution of the present invention is: a multi-saw wheel and multi-saw frame band saw machine, including a machine base, a platform and a gantry saw frame structure, an active saw wheel structure and a passive saw wheel structure on the gantry saw frame structure, the gantry saw frame structure is arranged on the machine base, the active saw wheel structure and the passive saw wheel structure are arranged on both sides of the main surface of the saw frame, the saw blades are respectively wound around the active saw wheel of the active saw wheel structure and the passive saw wheel of the passive saw wheel structure, the platform is used to transport the plate to the saw blade for cutting, and is characterized in that: the machine base includes at least two groups of gantry saw frame structures, the active saw wheel structure includes at least two groups of active wheel groups, the passive saw wheel structure includes at least two groups of passive wheel groups, and the central axis of the active saw wheel structure and the central axis of the passive saw wheel structure are located on the same horizontal plane.

[0005] Furthermore, the gantry saw frame structure includes a gantry frame and a saw frame, the gantry frame is arranged on the machine base, the saw frame is arranged on the gantry, an active saw wheel structure and a passive saw wheel structure are arranged on the saw frame, the active saw wheel structure includes an active saw wheel shaft, a first adjustment seat and an active wheel group, the passive saw wheel structure includes a passive saw wheel shaft, a second adjustment seat and a passive wheel group, the active wheel group is rotatably arranged on the active saw wheel shaft via the first adjustment seat, and the passive wheel group is rotatably arranged on the passive saw wheel shaft via the second adjustment seat.

[0006] Furthermore, the active saw wheel shaft includes a first worm gear structure, the number of the first worm gear structures is the same as the number of the active wheel group, and they are adapted to each other, the first worm gear structure includes a first worm group, a first worm wheel group and a first screw, one end of the first worm wheel group passes through the rear end of the active saw wheel shaft and is positioned and installed through a first positioning group, and the other end is fixed to the inner side of the active saw wheel shaft through a first fixing plate, the active saw wheel shaft is provided with a worm wheel mounting cavity, the first worm wheel group is installed in the worm wheel mounting cavity, the first screw is coaxial with the first worm wheel group and rotates and moves around the central axis, and the first screw is moved from the active saw wheel shaft Extending out; the passive saw wheel shaft includes a second worm gear structure, the number of the second worm gear structures is the same as the number of the passive wheel group, and they are adapted to each other, the second worm gear structure includes a second worm group, a second worm wheel group and a second screw, one end of the second worm wheel group passes through the rear end portion of the passive saw wheel shaft and is positioned and installed through the second positioning group, and the other end is fixed to the inner side of the passive saw wheel shaft through the second fixing plate, the passive saw wheel shaft is provided with a worm wheel mounting cavity, the second worm wheel group is installed in the worm wheel mounting cavity, the second screw is coaxial with the second worm wheel group and rotates and moves around the central axis, and the second screw extends out from the passive saw wheel shaft.

[0007] Furthermore, the teeth of the worm of the first worm gear group mesh with the teeth of the gear of the first worm gear group, and the teeth of the first screw rod penetrates the first worm gear group and meshes with the inner gear ring of the first worm gear group; the teeth of the worm of the second worm gear group mesh with the teeth of the gear of the second worm gear group, and the teeth of the second screw rod penetrates the second worm gear group and meshes with the inner gear ring of the second worm gear group.

[0008] Furthermore, the number of the driving wheel groups is the same as the number of the passive wheel groups, and the driving wheel group includes an active saw wheel, a first bearing, a first bearing inner sleeve and a pulley, the first bearing inner sleeve is sleeved on the first adjustment seat, the inner ring of the first bearing is fixedly sleeved on the first bearing inner sleeve, the pulley is fixedly sleeved on the outer ring of the first bearing, and the active saw wheel is fixedly sleeved on the pulley; the passive wheel group includes a passive saw wheel, a second bearing, a second bearing inner sleeve and a second bearing outer sleeve, the second bearing inner sleeve is sleeved on the second adjustment seat, the inner ring of the second bearing is fixedly sleeved on the second bearing inner sleeve, the second bearing outer sleeve is fixedly sleeved on the outer ring of the second bearing, and the passive saw wheel is fixedly sleeved on the passive wheel bearing outer sleeve.

[0009] Furthermore, a sawing motor, a scraper plate, a tensioning wheel and a saw blade clamp are installed on the saw frame. The sawing motor is arranged on the back of the saw frame, and a synchronous wheel is provided on its output shaft. One end of the scraper plate is fixed to the saw frame, and the other end is fitted to the driving wheel group and / or the passive wheel group. The tensioning wheels are the same in number and matched with the driving wheel group, and the transmission belt is overlapped on the tensioning wheel. One end of the saw blade clamp is fixed to the saw frame, and the other end is sleeved on the saw blade.

[0010] Furthermore, a saw blade tensioning device is also provided on the passive saw wheel shaft, and the tensioning direction of the tensioning device is perpendicular to the adjustment direction of the second worm gear structure. The saw blade tensioning device includes a hydraulic cylinder, a tensioning shaft driven to be telescopically extended by the hydraulic cylinder, and a tensioning shaft seat. The number of the tensioning shafts is the same as the number of the passive wheel group, and they are adapted to each other. The tensioning shaft is telescopically arranged on the side of the passive saw wheel shaft through the tensioning shaft seat.

[0011] Furthermore, the gantry includes a lifting motor, a lifting guide rail and a lifting auxiliary guide rail. The lifting motor is located at the top of the gantry, and the lifting guide rail and the lifting auxiliary guide rail are not on the same plane.

[0012] The above technical solution has the following beneficial effects:

[0013] The active wheel group adjustment device and the passive wheel group adjustment device of the multi-saw wheel and multi-saw frame band saw machine of the present invention both adopt a worm gear structure, so that each active wheel group and passive wheel group can be moved up and down independently, the operation is relatively convenient, the solution is relatively practical, and at least two groups of gantry saw frame structures are provided on the machine base, which can cut a variety of plates of different thicknesses and sizes on one machine base at the same time, saving the user's time, and the user does not need to purchase multiple band saw machines, thereby reducing production costs and time, improving work efficiency, and greatly saving space; the multi-saw wheel band saw machine of the present invention is also provided with a saw wheel dust scraper to clean up the debris scattered on the saw wheel during the production process and reduce the interference of the debris on the band saw machine; the band saw machine is also provided with a saw blade clamp to reduce the deviation of the saw blade during workmanship and maintain the normal workmanship of the saw blade to reduce the precision error of cutting wood; the multi-saw wheel band saw machine of the present invention is also provided with a saw blade tensioning device to realize that each saw blade can be independently tensioned, so that the active wheel group, passive wheel group and saw blade of each group can work independently, further improving the performance of the band saw machine. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the implementation methods of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for the implementation methods or the description of the prior art. Obviously, the drawings in the following description are only exemplary, and for ordinary technicians in this field, other implementation drawings can be derived from the provided drawings without creative work.

[0015] The structures, proportions, sizes, etc. illustrated in this specification are only used to match the contents disclosed in the specification so as to facilitate understanding and reading by persons familiar with the technology. They are not used to limit the conditions under which the present invention can be implemented, and therefore have no substantial technical significance. Any structural modification, change in proportion or adjustment of size shall still fall within the scope of the technical contents disclosed in the present invention without affecting the effects and purposes that can be achieved by the present invention.

[0016] Figure 1 A three-dimensional diagram of a band saw machine with multiple saw wheels and multiple saw frames according to the present invention;

[0017] Figure 2 The invention provides a band saw machine with multiple saw wheels and multiple saw frames. Figure 1 A magnified view of part A;

[0018] Figure 3 It is a three-dimensional diagram of the structure of the gantry saw frame of the band saw machine with multiple saw wheels and multiple saw frames of the present invention;

[0019] Figure 4 It is a schematic diagram of the saw frame structure of a band saw machine with multiple saw wheels and multiple saw frames according to the present invention;

[0020] Figure 5It is an exploded view of the active saw wheel shaft of the multi-saw wheel and multi-saw frame band saw machine of the present invention;

[0021] Figure 6 It is an exploded view of the active saw wheel structure of the multi-saw wheel and multi-saw frame band saw machine of the present invention;

[0022] Figure 7 It is a schematic diagram of the first worm gear structure of the multi-saw wheel and multi-saw frame band saw machine of the present invention;

[0023] Figure 8 It is a schematic diagram of the second worm gear structure of the multi-saw wheel and multi-saw frame band saw machine of the present invention;

[0024] Fig. 9 It is an exploded view of the passive saw wheel shaft of the multi-saw wheel and multi-saw frame band saw machine of the present invention;

[0025] Fig.10 It is an exploded view of the passive saw wheel structure of the multi-saw wheel and multi-saw frame band saw machine of the present invention;

[0026] Fig.11 It is a cross-sectional view of the driving wheel assembly of the band saw machine with multiple saw wheels and multiple saw frames of the present invention;

[0027] Fig.12 It is a cross-sectional view of the passive wheel assembly of the multi-saw wheel and multi-saw frame band saw machine of the present invention;

[0028] Fig.13 It is a structural cross-sectional view of the passive wheel set and the tensioning device of the multi-saw wheel and multi-saw frame band saw machine of the present invention.

[0029] In the figure: base 1, sliding guide rail 11, sliding connecting plate 12, sliding motor group 13, sliding rack 14, platform 2, gantry saw frame structure 3, gantry frame 31, lifting guide rail 311, lifting auxiliary guide rail 312, saw frame 32, shaft seat 321, dust scraper plate 322, saw blade clamp 323, sawing motor 33, synchronous wheel 331, synchronous belt 332, transmission wheel 333, transmission belt 334, tensioning wheel 335, lifting motor 34, active saw wheel structure 8, active saw wheel shaft 81, first worm gear structure 811, first worm gear group 8111, first worm gear group 8112, first screw rod 8113, first positioning group 812, first fixing plate 813, second positioning plate 82, first adjustment seat 83, first partition plate 84, active wheel group 85, active Saw wheel 851, first bearing 852, first bearing inner sleeve 853, pulley 854, first pad 86, first positioning plate 87, first locking block 88, first groove 89, passive saw wheel structure 5, passive saw wheel shaft 51, second worm gear structure 511, second worm gear group 5111, second worm gear group 5112, second screw rod 5113, tensioning shaft 512, tensioning shaft seat 513, second positioning group 514, second fixed plate 515, fourth positioning plate 52, second adjustment seat 53, passive wheel group 54, passive saw wheel 541, second bearing 542, second bearing inner sleeve 543, second bearing outer sleeve 544, second partition plate 55, second pad 56, third positioning plate 57, second locking block 58, second groove 59, saw blade 6, connecting rod 7. DETAILED DESCRIPTION

[0030] The specific embodiments of the present invention are further described below in conjunction with the accompanying drawings. It should be noted that the description of these embodiments is used to help understand the present invention, but does not constitute a limitation of the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0031] See also Figure 1-Figure 13As shown, the present invention discloses a multi-saw wheel multi-saw frame band saw machine, including a machine base 1, a platform 2 and a gantry saw frame structure 3, an active saw wheel structure 8 and a passive saw wheel structure 5 on the gantry saw frame structure 3, the machine base 1 includes at least two groups of gantry saw frame structures 3, the active saw wheel structure 8 includes at least two groups of active wheel groups 85, and the passive saw wheel structure 5 includes at least two groups of passive wheel groups 54; the gantry saw frame structure 3 includes a gantry frame 31 and a saw frame 32, the gantry frame 31 is arranged on the machine base 1 in a gantry shape, the gantry frame includes a lifting motor 34, a lifting guide rail 311 and a lifting auxiliary guide rail 312, the lifting motor 34 is located at the top of the gantry frame, and the lifting guide rail 311 is provided on the machine base 1. The rail 311 and the lifting auxiliary guide rail 312 are not on the same plane. The saw frame 32 is lifted and lowered on the gantry by the lifting guide rail 311 and the lifting auxiliary guide rail 312. The lifting motor 34 drives the saw frame 32 to move up and down in the vertical direction of the gantry 31, so that the saw frame 32 can work flexibly on the platform 2; the platform 2 is used to transport the plate to the saw blade 6 for cutting, and the cutting motor 33 is set on the back of the saw frame 32, the active saw wheel structure 8 and the passive saw wheel structure 5 are set on the main surface of the saw frame 32, and the saw blade 6 is respectively wound around the active saw wheel 851 of the active wheel group 85 and the passive saw wheel 541 of the passive wheel group 54.

[0032] The active saw wheel structure 8 includes an active saw wheel shaft 81, a first adjustment seat 83 and an active wheel group 85, and the passive saw wheel structure 5 includes a passive saw wheel shaft 51, a second adjustment seat 53 and a passive wheel group 54. In order to enhance the overall structural strength, a connecting rod 7 is provided between the front end of the active saw wheel shaft 81 and the front end of the passive saw wheel shaft 51. The active saw wheel shaft 81 and the passive saw wheel shaft 51 are respectively fixed on the shaft seat 321, one end of the shaft seat is fixed on the saw frame 32, and the other end is connected to the lifting auxiliary guide rail 312. The active wheel group 85 is rotatably set on the active saw wheel shaft 81 through the first adjustment seat 83, and the passive wheel group 54 is rotatably set on the passive saw wheel shaft 51 through the second adjustment seat 53. The central axis of the active saw wheel structure 8 and the central axis of the passive saw wheel structure 5 are located on the same horizontal plane.

[0033] The driving wheel group 85 includes an active saw wheel 851, a first bearing 852, a first bearing inner sleeve 853 and a pulley 854. The first bearing inner sleeve is sleeved on the first adjustment seat 83. The inner ring of the first bearing 852 is fixedly sleeved on the first bearing inner sleeve 853. The pulley 854 is fixedly sleeved on the outer ring of the first bearing 852. The active saw wheel 851 is fixedly sleeved on one side of the pulley 854. The other side of the pulley 854 is gear-shaped. The transmission belt 334 is respectively wound around the pulley 854 and the transmission wheel 333; the passive wheel group 54 includes a passive saw wheel 541, a second bearing 542, a second bearing inner sleeve 543 and a second bearing outer sleeve 544. The second bearing inner sleeve 543 is sleeved on the second adjustment seat 53. The inner ring of the second bearing 542 is fixedly sleeved on the second bearing inner sleeve 543. The second bearing outer sleeve 544 is fixedly sleeved on the outer ring of the second bearing 542. The passive saw wheel 541 is fixedly sleeved on the second bearing outer sleeve 544.

[0034] The active saw wheel shaft 81 is provided with an active wheel group limiting component to limit the active wheel group 85 on the active saw wheel shaft 81. The active wheel group limiting component includes a first positioning plate 87, a second positioning plate 82 and a first locking block 88. The front end of the active saw wheel shaft 81 and the rear end of the second positioning plate 82 are both provided with a first groove 89. The first locking block 88 is disposed in the first groove 89 and is fixedly connected to the first positioning plate 87, the second positioning plate 82 and the active saw wheel shaft 81. A first pad 86 is provided between the first positioning plate 87 and the active wheel group 85 at the front end of the active saw wheel shaft 81, and a first partition plate 84 is also provided between the two active wheel groups 85. A passive wheel group limiting component is provided on the passive saw wheel shaft 51 to limit the passive wheel group 54 on the passive saw wheel shaft 51. The passive wheel group limiting component includes a third positioning plate 57, a fourth positioning plate 52 and a second locking block 58. The front end of the passive saw wheel shaft 51 and the rear end of the fourth positioning plate 52 are provided with a second groove 59. The second locking block 58 is arranged in the second groove 59 and is fixedly connected to the third positioning plate 57, the fourth positioning plate 52 and the passive saw wheel shaft 51. A second pad 56 is provided between the third positioning plate 57 and the passive wheel group 54 located at the front end of the passive saw wheel shaft 51, and a second partition plate 55 is also provided between the two passive wheel groups 54.

[0035] The number of driving wheel groups 85 is the same as the number of passive wheel groups 54. Both the driving wheel groups and the passive wheel groups are provided with at least two or more groups. The present invention is provided with two groups of driving wheel groups 85 and passive wheel groups 54. The outer diameters of the driving wheel groups 85 are different in size, and the outer diameters of the driving wheel groups 85 are stacked in sequence from large to small to form a conical step-type structure; the outer diameters of the passive wheel groups 54 are different in size, and the outer diameters of the passive wheel groups 54 are stacked in sequence from large to small to form a conical step-type structure. The driving wheel groups 85 and the passive wheel groups 54 are adapted to each other, and the saw blades 6 are respectively wound around the driving wheel groups 85 and the corresponding passive wheel groups 54.

[0036] The driving wheel group 85 is driven to rotate by the sawing motor 33, and the sawing motor 33 is driven and connected to the driving wheel group 85 through a sawing transmission device. The sawing device includes a synchronous wheel 331, a synchronous belt 332, a transmission wheel 333, and a transmission belt 334. The synchronous wheel 331 is arranged on the output shaft of the sawing motor 33, the synchronous belt 332 is respectively wound around the synchronous wheel 331 and the transmission wheel 333, the transmission belt 334 is respectively wound around the transmission wheel 333 and the pulley 854 of the driving wheel group 85, the output shaft of the sawing motor 33 rotates to drive the synchronous wheel 331 to rotate, the rotation of the synchronous wheel 331 drives the transmission wheel 333 to rotate, and then drives the driving wheel group 85 to rotate.

[0037] The saw frame 32 is provided with a tensioning wheel 335, the number of which is the same as that of the driving wheel group 85 and they are adapted to each other, the transmission belt 334 is overlapped on the tensioning wheel 335, and the tensioning wheel 335 is provided with an adjusting screw, so that the tensioning wheel can move up and down, and the tension of the transmission belt 334 is adjusted to realize the separate operation setting of each driving wheel group 85; the saw frame 32 is provided with a dust scraper 322, one end of the dust scraper 322 is fixed on the saw frame 32, and the other end is attached to the driving wheel group 85 and the driven wheel group 54, and the dust scraper 322 is composed of a metal sheet and is used to adjust the multiple saws. The multi-wheel saw frame band saw machine can clean the debris adhering to the saw wheel during operation, thereby reducing the interference of the debris on the machine; a saw blade clamp 323 is provided on the saw frame 32, and the saw blade clamp 323 is used to limit the saw blade 6, so that the saw blade 6 is not easily misplaced during operation, thereby ensuring the working efficiency of the saw blade 6. One end of the saw blade clamp 323 is fixed to the saw frame 32, and the other end is sleeved on the saw blade 6. The end sleeved on the saw blade 6 is provided with a saw blade groove, which is used for the saw blade 6 to pass through and limit its movement. There are four groups of saw blade clamps 323, and two groups are sleeved on each saw blade 6.

[0038] The first worm gear structure 811 is arranged in the active saw wheel shaft 81, which is used to adjust the movement of the central axis position of the active wheel group 85 in the vertical direction. The first worm gear structure 811 includes a first worm group 8111, a first worm wheel group 8112 and a first screw rod 8113. The number of the first worm gear structures 811 is the same as the number of the active wheel group 85, and they are adapted to each other. One end of the first worm gear group 8111 passes through the rear end of the active saw wheel shaft 81 and is positioned and installed through the first positioning group 812, and the other end is fixed to the inner side of the active saw wheel shaft 81 through the first fixing plate 813. The active saw wheel shaft 81 is provided with a worm wheel installation cavity, and the first worm wheel group 8112 is installed in the worm wheel installation cavity. The first screw rod 8113 passes through the first worm wheel group 8112 and the active saw wheel shaft 81. The first worm wheel group 8112 includes The outer worm gear, the inner gear ring, the first worm group 8111 and the first worm wheel group 8112 are meshed with each other through the worm and worm wheel, and the first lead screw 8113 is meshed with the inner gear ring of the first worm wheel group 8112; the width of the active saw wheel shaft 81 in the vertical direction is smaller than the width of the first adjustment seat 83 in the vertical direction, so that the first adjustment seat 83 can move vertically on the active saw wheel shaft 81; when the first worm group 8111 rotates, it drives the rotation of the first worm wheel group 8112, thereby prompting the first lead screw 8113 to rotate and move up and down along the central axis of the first worm wheel group 8112, so that the first adjustment seat 83 moves, thereby realizing the vertical adjustment of the central axis of the active wheel group 85; a counter is provided on the first positioning group 812, and the position of the active wheel group 85 after movement can be recorded by the counter.

[0039] The second worm gear structure 511 is arranged in the passive saw wheel shaft 51, and is used to adjust the movement of the central axis position of the passive wheel group 54 in the vertical direction. The second worm gear structure 511 includes a second worm group 5111, a second worm wheel group 5112 and a second screw 5113. The number of second worm gear structures 511 is the same as the number of passive wheel groups 54, and they are adapted to each other. One end of the second worm group 5111 passes through the rear end portion of the passive saw wheel shaft 51 and is positioned and installed through the second positioning group 514, and the other end is fixed to the inner side of the passive saw wheel shaft 51 through the second fixing plate 515. The passive saw wheel shaft 51 is provided with a worm wheel installation cavity, and the second worm wheel group 5112 is installed in the worm wheel installation cavity. The screw rod 5113 passes through the second worm gear set 5112 and the passive saw wheel shaft 51. The second worm gear set 5112 includes an outer worm wheel and an inner gear ring. The second worm gear set 5111 and the second worm gear set 5112 are meshed and driven by the worm and worm gear. The second screw rod 5113 is meshed and driven by the inner gear ring of the second worm gear set 5112. The width of the passive saw wheel shaft 51 in the vertical direction is smaller than the width of the second adjustment seat 53 in the vertical direction, so that the second adjustment seat 53 can move vertically on the passive saw wheel shaft 51. When the second worm gear set 5111 rotates, it drives the rotation of the second worm gear set 5112, thereby prompting the second screw rod 5113 to rotate and move up and down along the central axis of the second worm gear set 5112. The second adjustment seat 53 is moved to realize the adjustment of the central axis of the passive wheel group 54 in the vertical direction; a counter is provided on the second positioning group 514, and the position of the passive wheel group 54 after movement can be recorded by the counter; a saw blade tensioning device is also provided on the passive saw wheel shaft 51, and the tensioning direction of the tensioning device is perpendicular to the adjustment direction of the second worm gear structure 511, and the saw blade tensioning device includes a hydraulic cylinder, a tensioning shaft 512 driven by the hydraulic cylinder to be retracted, and a tensioning shaft seat 513. The number of tensioning shafts 512 is the same as the number of the passive wheel group 54, and they are adapted to each other. An installation cavity is provided on the passive saw wheel shaft 51, and the tensioning shaft seat 513 is installed in the installation cavity. The tensioning shaft 512 is connected to the tensioning shaft seat 513 through the tensioning shaft seat 513. 13 is telescopically arranged in the passive saw wheel shaft 51 and extends out from the passive saw wheel shaft 51, passes through the second adjustment seat 53 to press the second bearing inner sleeve 543 on the passive wheel group 54; the width of the second adjustment seat 53 in the horizontal direction is smaller than the width of the sleeve hole of the second bearing inner sleeve 543 in the horizontal direction, so that the second bearing inner sleeve 543 can move horizontally on the second adjustment seat; the present invention drives the tensioning shaft 512 to move horizontally in the passive saw wheel shaft 51 through the hydraulic cylinder, and pushes the second bearing inner sleeve 543 in the passive wheel group 54 to move horizontally on the second bearing seat 53, so that the single passive wheel group 54 can move in the horizontal direction, thereby realizing the tensioning setting of the saw blade 6.

[0040] At least two or more gantry saw frame structures 3 are provided on the machine base 1. The present invention provides two groups of gantry saw frame structures 3, one group of which is fixed on the machine base 1, and the other group is horizontally moved on the machine base 1 through a sliding device. The sliding device includes a sliding guide rail 11, a sliding connecting plate 12, a sliding motor group 13 and a sliding rack 14. The sliding guide rail 11 is fixedly installed on the machine base 1, and the gantry saw frame structure 3 is moved on the sliding guide rail 11 through the sliding connecting plate 12. The sliding motor group 13 is fixedly installed on the sliding connecting plate 12, and the sliding rack 14 is fixedly installed on the machine base 1. The gear of the sliding motor group 13 is meshed with the sliding rack 14. When the sliding motor group 13 is working, the gear on the sliding motor group 13 rotates on the sliding rack, so that the sliding connecting plate 12 can move horizontally on the sliding guide rail 11. The gantry saw frame structure 3 realizes horizontal movement on the machine base 1 through the sliding connecting plate.

[0041] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. For those skilled in the art, various changes, modifications, substitutions and variations of these embodiments are made without departing from the principles and spirit of the present invention, and still fall within the scope of protection of the present invention.

Claims

1. A multi-saw wheel and multi-saw frame band saw machine, comprising a machine base (1), a platform (2) and a gantry saw frame structure (3), an active saw wheel structure (8) and a passive saw wheel structure (5) on the gantry saw frame structure, the gantry saw frame structure being arranged on the machine base in a gantry shape, the active saw wheel structure and the passive saw wheel structure being arranged on both sides of the main surface of the saw frame (32), the saw blade (6) being respectively wound around the active saw wheel (851) of the active saw wheel structure and the passive saw wheel (541) of the passive saw wheel structure, the platform being used for conveying plates, characterized in that: The machine base (1) comprises at least two groups of gantry saw frame structures (3), the active saw wheel structure (8) comprises at least two groups of active wheel groups (85), the passive saw wheel structure (5) comprises at least two groups of passive wheel groups (54), and the central axis of the active saw wheel structure and the central axis of the passive saw wheel structure are located on the same horizontal plane.

2. The multi-saw wheel and multi-saw frame band saw machine according to claim 1, characterized in that: The gantry saw frame structure (3) comprises a gantry frame (31) and a saw frame (32), wherein the gantry frame is arranged on a machine base (1), and the saw frame is arranged on the gantry frame. An active saw wheel structure (8) and a passive saw wheel structure (5) are arranged on the saw frame, wherein the active saw wheel structure comprises an active saw wheel shaft (81), a first adjustment seat (83) and an active wheel group (85), wherein the active wheel group is rotatably arranged on the active saw wheel shaft via the first adjustment seat; and the passive saw wheel structure comprises a passive saw wheel shaft (51), a second adjustment seat (53) and a passive wheel group (54), wherein the passive wheel group is rotatably arranged on the passive saw wheel shaft via the second adjustment seat.

3. The multi-saw wheel and multi-saw frame band saw machine according to claim 2, characterized in that: The active saw wheel shaft (81) includes a first worm gear structure (811), the number of the first worm gear structures is the same as the number of the active wheel group (85), and they are adapted to each other. The first worm gear structure (811) includes a first worm group (8111), a first worm wheel group (8112) and a first screw (8113). One end of the first worm group passes through the rear end of the active saw wheel shaft (81) and is positioned and installed through the first positioning group (812), and the other end is fixed to the inner side of the active saw wheel shaft through the first fixing plate (813). The active saw wheel shaft is provided with a worm wheel installation cavity, and the first worm wheel group (8112) is installed in the worm wheel installation cavity. The first screw is coaxial with the first worm wheel group and rotates and moves around the central axis. The first screw moves from the active saw wheel shaft to the active saw wheel shaft. The passive saw wheel shaft (51) extends out from the moving saw wheel shaft; the passive saw wheel shaft (51) includes a second worm gear structure (511), the number of the second worm gear structures is the same as the number of the passive wheel group (54), and they are adapted to each other, the second worm gear structure includes a second worm group (5111), a second worm wheel group (5112) and a second screw (5113), one end of the second worm wheel group passes through the rear end of the passive saw wheel shaft and is positioned and installed through a second positioning group (514), and the other end is fixed to the inner side of the passive saw wheel shaft through a second fixing plate (515), the passive saw wheel shaft is provided with a worm wheel installation cavity, the second worm wheel group is installed in the worm wheel installation cavity, the second screw is coaxial with the second worm wheel group and rotates and moves around the central axis, and the second screw extends out from the passive saw wheel shaft.

4. The multi-saw wheel and multi-saw frame band saw machine according to claim 3, characterized in that: The teeth of the worm of the first worm gear group (8111) mesh with the teeth of the gear of the first worm gear group (8112), and the teeth of the first screw rod (8113) penetrate the first worm gear group and mesh with the inner gear ring of the first worm gear group; the teeth of the worm of the second worm gear group (5111) mesh with the teeth of the gear of the second worm gear group (5112), and the teeth of the second screw rod (5113) penetrate the second worm gear group and mesh with the inner gear ring of the second worm gear group.

5. The multi-saw wheel and multi-saw frame band saw machine according to claim 1, characterized in that: The number of the active wheel group (85) is the same as the number of the passive wheel group (54), and the active wheel group includes an active saw wheel (851), a first bearing (852), a first bearing inner sleeve (853) and a pulley (854), wherein the first bearing inner sleeve is sleeved on the first adjustment seat (83), the inner ring of the first bearing is fixedly sleeved on the first bearing inner sleeve, the pulley is fixedly sleeved on the outer ring of the first bearing, and the active saw wheel is fixedly sleeved on the pulley; the passive wheel group includes a passive saw wheel (541), a second bearing (542), a second bearing inner sleeve (543) and a second bearing outer sleeve (544), wherein the second bearing inner sleeve is sleeved on the second adjustment seat (53), the inner ring of the second bearing is fixedly sleeved on the second bearing inner sleeve, the second bearing outer sleeve is fixedly sleeved on the outer ring of the second bearing, and the passive saw wheel is fixedly sleeved on the passive wheel bearing outer sleeve.

6. The multi-saw wheel and multi-saw frame band saw machine according to claim 2, characterized in that: The saw frame (32) is equipped with a sawing motor (33), a scraper plate (322), a tensioning wheel (335) and a saw blade clamp (323). The sawing motor is arranged on the back of the saw frame, and a synchronous wheel (331) is arranged on its output shaft. One end of the scraper plate is fixed to the saw frame, and the other end is fitted to the driving wheel group (85) and / or the driven wheel group (54). The tensioning wheels are the same in number as the driving wheel group and are adapted to each other. The transmission belt (334) is overlapped on the tensioning wheel. One end of the saw blade clamp is fixed to the saw frame, and the other end is sleeved on the saw blade (6).

7. The multi-saw wheel and multi-saw frame band saw machine according to claim 2, characterized in that: A saw blade tensioning device is provided inside the passive saw wheel shaft (51), the tensioning direction of the tensioning device is perpendicular to the adjustment direction of the second worm gear structure (511), the saw blade tensioning device comprises a hydraulic cylinder, a tensioning shaft (512) driven to be retracted by the hydraulic cylinder, and a tensioning shaft seat (513), the number of the tensioning shafts is the same as the number of the passive wheel group (54), and they are adapted to each other, and the tensioning shaft is retractably arranged on the side of the passive saw wheel shaft through the tensioning shaft seat.

8. The multi-saw wheel and multi-saw frame band saw machine according to claim 2, characterized in that: The gantry comprises a lifting motor (34), a lifting guide rail (311) and a lifting auxiliary guide rail (312); the lifting motor is located at the top of the gantry, and the lifting guide rail and the lifting auxiliary guide rail are not on the same plane.

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