Tension adjusting structure of sawing machine

Abstract

The utility model discloses a tensioning adjusting structure of a sawing machine, and relates to the technical field of sawing machines. The device comprises a mounting table, through grooves are symmetrically formed in the side wall of the mounting table, a tightness adjusting assembly is arranged on the side wall of the mounting table, the tightness adjusting assembly comprises a machine base connected to the side wall of the mounting table, and the inner end face of an adjusting motor connected to the interior of the machine base is connected with a rotating shaft; the middle of the side wall of the mounting table of the rotating shaft is rotationally connected with a circular gear sleeving the peripheral side wall of the rotating shaft and located on the side of the mounting table, and the upper side and the lower side of the circular gear are in meshed connection with a forward toothed plate and a reverse toothed plate correspondingly; limiting assemblies arranged on the peripheral side walls of the driving shaft and the driven shaft comprise hollow cylinders. According to the band saw, the tightness adjusting assembly is arranged, the adjusting motor can be conveniently controlled to adjust the positions of the driving wheel and the driven wheel at the same time, the adjusting efficiency of the tension degree of the band saw can be improved, the limiting assembly is arranged, the hollow cylinder can be conveniently disassembled and assembled, and then the hollow cylinder can be conveniently disassembled, assembled, replaced or overhauled.

Description

Technical Field

[0001] The utility model belongs to the technical field of sawing machines, in particular to a tensioning adjustment structure of a sawing machine. Background Art

[0002] A sawing machine refers to a machine used for cutting materials; the structure of a sawing machine includes a base, a bed, a column, a saw beam and a transmission mechanism, a saw blade guide device, a workpiece clamping device, a feeding mechanism, and a saw blade tensioning device, etc. In order to make the saw blade cut the material better, it is necessary to operate the saw blade tensioning device to adjust the tension of the saw blade.

[0003] A search revealed patent publication number CN217044864U, which discloses a tension adjustment device for a sanding belt saw. The device comprises a mounting base, a motor mounted on a side wall of the mounting base, an output shaft of the motor extending through the mounting base and fitted with a driving wheel, a connecting base fixedly mounted on the mounting base, a threaded rod horizontally mounted on the connecting base, a knob fixedly connected to the end of the threaded rod, a movable base threadedly connected to the threaded rod and slidably connected to the mounting base, a movable slot defined in the mounting base, a mounting shaft mounted on the movable base, the mounting shaft positioned within the movable slot, a driven wheel mounted on the mounting shaft, and a saw band mounted on both the driving wheel and the driven wheel. The device has an ingenious structure and a rational design, converting rotation into linear motion to achieve a change in the distance between the driving and driven wheels, making it easy to control and facilitate subsequent maintenance and component replacement.

[0004] However, it still has the following disadvantages in actual use:

[0005] 1. The tensioning adjustment device of the above-mentioned abrasive belt saw machine has a motor installed on the side wall of the mounting seat, the output shaft of the motor passes through the mounting seat and is installed with a driving wheel, the movable seat is installed with a mounting shaft, the mounting shaft is installed with a driven wheel, the driving wheel and the driven wheel are jointly installed with a saw belt, the mounting seat is fixedly installed with a connecting seat, a threaded rod is horizontally installed on the connecting seat, one end of the threaded rod is connected to the connecting seat through a bearing, the end of the threaded rod is fixedly connected with a knob, the knob is provided with anti-slip grooves, the threaded rod is threadedly connected to the movable seat, and the movable seat is slidably connected to the mounting seat, and the side wall of the mounting seat is fixed with a threaded rod. It is said that a plurality of limit slots are provided, and a plurality of limit blocks are symmetrically fixedly connected to the movable seat, and each limit block is slidably connected to the limit slot corresponding to the position. The position of the driven wheel is changed by a knob, a threaded rod, a movable seat, a mounting shaft, a movable slot, etc., thereby changing the distance between the driven wheel and the driving wheel, thereby adjusting the tension of the band saw. However, only the position of a single driven wheel can be adjusted, thereby increasing the moving distance of the driven wheel, and increasing the time for adjusting the position of the driven wheel, thereby increasing the time for adjusting the tension of the band saw, thereby reducing the efficiency of adjusting the tension of the band saw;

[0006] 2. The tension adjusting device of the belt saw machine according to claim 1, wherein a moving groove is formed on the mounting base, a mounting shaft is mounted on the moving base and located in the moving groove, a fixing groove is formed in the moving groove, a fixing base is fixedly connected to the mounting shaft, the fixing base is slidably connected in the fixing groove, the diameter of the fixing base is larger than the diameter of the mounting shaft, the fixing base and the fixing groove can limit the moving base from rotating with the threaded rod during the movement of the moving base, thereby ensuring the movement of the moving base along the axis of the threaded rod, the end surface of the fixing base is in contact with the inner wall of the fixing groove to limit the movement of the mounting shaft and the driven wheel along the axis of the mounting shaft, thereby ensuring the stability of the driven wheel, however, the fixing base is slidably connected in the fixing groove and fixedly connected to the mounting shaft, the fixing groove is formed in the moving groove, and the fixing base is subject to friction during the sliding movement in the fixing groove, thereby causing wear of the fixing base, and the fixing base is inconvenient to disassemble, thereby being inconvenient to disassemble, repair or replace.

[0007] Therefore, the present application provides a tension adjusting structure of a sawing machine to solve the above problems. Content of the present application

[0008] The present application aims to provide a tension adjusting structure of a sawing machine, which is convenient for an operator to start the adjusting motor and adjust the positions of the driven wheel and the driving wheel, thereby reducing the time for adjusting the tension of the belt saw, and thereby facilitating the adjustment efficiency of the tension of the belt saw, and the limiting component is convenient for the operator to unscrew the connecting ring clockwise, thereby disassembling the limiting ring and the hollow cylinder, thereby facilitating the disassembly of the hollow cylinder, and conversely, the hollow cylinder is limited in the through groove, thereby facilitating the disassembly of the limiting component, thereby solving the technical problems raised in the background art of the tension adjusting device of the belt saw machine.

[0009] To solve the above technical problems, the present application is achieved by the following technical solutions:

[0010] The utility model discloses a kind of tensioning adjustment structures of sawing machine, including mounting table, symmetrically being provided with through slot on the side wall of mounting table, tensioning adjustment component is provided on the side wall of mounting table, and the tensioning adjustment component includes the base connected on the side wall of mounting table, the inner end surface of the adjusting motor connected in the base is connected with rotating shaft, rotating shaft is rotatably connected in the middle part of the side wall of mounting table, the circular gear sleeved on the side wall of rotating shaft is located in the side of mounting table, the upper and lower sides of circular gear are respectively meshed with positive tooth plate and reverse tooth plate, the inside rotationally connected with driving shaft of the connecting frame provided on the outer end surface of positive tooth plate, the inside rotationally connected with driven shaft of the connecting frame provided on the outer end of reverse tooth plate, the end portion of driving shaft and driven shaft away from connecting frame all penetrate through through slot;The limiting component provided on the outer peripheral side wall of driving shaft and driven shaft includes hollow cylinder, hollow cylinder is sleeved on the peripheral side wall of driving shaft and driven shaft, and the hollow cylinder is arranged in the inside of through slot, and the both ends of the hollow cylinder are symmetrically provided with thread groove, and the outer end surface of the connecting ring threadedly connected in the inside of thread groove is connected with limit ring.

[0011] The utility model further provides that the inner side wall of the positive tooth plate and the reverse tooth plate is fixedly connected with a guide block, and the guide block is away from the connecting frame, symmetrically provided with guide slot on the side wall of the mounting table, and the guide block is slidably connected in the inside of the guide slot.

[0012] The utility model further provides that the outer end surface of the positive tooth plate and the reverse tooth plate is fixedly connected with a convex rod, the outer end of the convex rod penetrates through the inner side wall of the connecting frame, and the nut threadedly connected on the peripheral side wall of the convex rod is in contact with the outer side wall of the connecting frame.

[0013] The utility model further provides that the outer end surface of the driving motor connected with the end portion of the driving shaft is connected with a rack, the inner side wall of the rack is symmetrically connected with a sliding block, symmetrically provided with sliding slot on the side wall of the mounting table, and the sliding block is slidably connected in the inside of the sliding slot.

[0014] The utility model further provides that the driving wheel sleeved on the peripheral side wall of the driving shaft is located on the other side of the mounting table, the driven wheel sleeved on the peripheral side wall of the driven shaft is located on the other side of the mounting table, and the driving wheel and the driven wheel are drivingly connected through the band saw.

[0015] The utility model further provides that the length dimension of the connecting ring is twice the inside depth dimension of the thread groove, the inner side wall of the limit ring is connected with a connecting rod in annular array, and the inner end of the connecting rod is provided with a ball in contact with the side wall of the mounting table.

[0016] The utility model further sets up, the upper surface of installation platform is provided with the installation component, the installation component contains the installation seat connected on the upper surface of installation platform, the upper and lower two surfaces of installation seat all are equipped with countersunk hole, the inside thread of countersunk hole is connected with countersunk bolt.

[0017] The utility model further sets up, the installation seat is in I shape, the countersunk hole is equipped with two groups, and every group countersunk hole is rectangular array.

[0018] The utility model has the following beneficial effects:

[0019] 1, the utility model discloses a tightness adjusting assembly is set up, and staff starts the adjusting motor, when the shaft rotates clockwise, the positive tooth plate and the reverse tooth plate move towards each other, and then the driving shaft and the driven shaft move towards each other, and then the driving pulley and the driven pulley move towards each other, and then the tightness of the band saw is adjusted, and vice versa, when the shaft rotates counterclockwise, the tightness of the band saw is adjusted, and then the position of the driving pulley and the driven pulley is adjusted, and then it is favorable to shorten the time spent in adjusting the tightness of the band saw, and then it is favorable to speed up the efficiency of adjusting the tightness of the band saw.

[0020] 2, the utility model discloses a limiting assembly is set up, during the process of adjusting the tightness of the band saw, the ball moves on the installation platform, the limit ring and the connecting ring move, the hollow cylinder moves stably in the inside of the through groove, and then the stability when the tightness of the band saw is adjusted is improved, and staff is through clockwise unscrewing the connecting ring, realizes the split between the limit ring and the hollow cylinder, and then the hollow cylinder is taken out from the inside of the through groove, and vice versa, the hollow cylinder is limited in the inside of the through groove, and then the dismounting of the hollow cylinder is convenient, and then the dismounting of the limiting assembly is convenient.

[0021] Of course, any product implementing the utility model does not necessarily need to achieve all the advantages mentioned above. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will be to the embodiment description needed to use the drawing briefly introduces.

[0023] Figure 1 It is a kind of the three-dimensional schematic diagram of the tension adjusting structure of sawing machine Figure 1 ;

[0024] Figure 2 It is Figure 1 the enlarged schematic view of structure in A place in figure 2;

[0025] Figure 3 It is a kind of the three-dimensional schematic diagram of the tension adjusting structure of sawing machine Figure 2 ;

[0026] Figure 4Figure 6 is an exploded schematic view of the mounting base, the circular gear, the rotating shaft, the forward toothed plate and the reverse toothed plate;

[0027] Figure 5 Figure 7 is an exploded schematic view of the mounting base and the limiting assembly;

[0028] Figure 6 Figure 8 is a schematic view of the structure at B in Figure 6. Figure 5 Figure 9 is an enlarged schematic view of the structure at B in Figure 6.

[0029] In the drawings, the components represented by the respective reference numerals are listed as follows:

[0030] 1 - mounting base, 101 - through slot, 102 - sliding slot, 103 - guide slot, 2 - tension adjustment assembly, 201 - adjustment motor, 201a - motor base, 201b - rotating shaft, 201c - circular gear, 202 - forward toothed plate, 202a - protruding rod, 202b - nut, 203 - reverse toothed plate, 203a - guide block, 204 - driven shaft, 204a - driving shaft, 204b - band saw, 204c - driving wheel, 204d - driven wheel, 205 - connecting frame, 206 - driving motor, 206a - frame, 206b - sliding block, 3 - limiting assembly, 301 - hollow cylinder, 301a - threaded groove, 302 - limiting ring, 302a - connecting ring, 303 - connecting rod, 303a - ball, 4 - positioning assembly, 401 - positioning seat, 401a - counterbore screw hole, 402 - counterbore bolt. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of the present application.

[0032] Embodiment 1

[0033] Please refer to Figure 1 , Figure 2 , Figure 3 and Figure 4The present invention is a tension adjustment structure for a sawing machine, comprising a mounting platform 1, with a tension adjustment assembly 2 provided on one side of the mounting platform 1; the tension adjustment assembly 2 comprises an adjusting motor 201, a machine base 201a, a rotating shaft 201b, a circular gear 201c, a forward tooth plate 202, a protruding rod 202a, a nut 202b, a reverse tooth plate 203, a guide block 203a, a driven shaft 204, a driving shaft 204a, a band saw 204b, a driving wheel 204c, a driven wheel 204d, a connecting frame 205, a driving motor 206, a machine frame 206a and a slider 206b. The adjusting motor 201 is controlled to cause the forward tooth plate 202 and the reverse tooth plate 203 to move toward or away from each other, thereby simultaneously adjusting the positions of the driving wheel 204c and the driven wheel 204d, thereby adjusting the tension of the band saw 204b and improving the efficiency of the tension of the band saw 204b.

[0034] Specifically, a through groove 101 is provided on the side wall of the mounting platform 1, a slide groove 102 is provided on the side wall of the mounting platform 1, a guide groove 103 is provided on the side wall of the mounting platform 1, a machine base 201a is connected to a side wall of the mounting platform 1, an adjustment motor 201 is connected to the inner side wall of the machine base 201a, and a rotating shaft 201b is connected to the inner end face of the adjustment motor 201, the rotating shaft 201b is rotatably connected to the middle part of the side wall of the mounting platform 1, and a circular gear 201c is sleeved on the peripheral side wall of the rotating shaft 201b. , and the circular gear 201c is located on one side of the mounting platform 1, the forward gear plate 202 is meshed and connected to the upper side of the circular gear 201c, and the reverse gear plate 203 is meshed and connected to the lower side of the circular gear 201c, and the inner side walls of the forward gear plate 202 and the reverse gear plate 203 are fixed with guide blocks 203a, and the guide blocks 203a are slidably connected to the inside of the guide groove 103, and the outer end surfaces of the forward gear plate 202 and the reverse gear plate 203 are fixed with protruding rods 202a, and the peripheral side walls of the protruding rods 202a are threadedly connected. There is a nut 202b, the driven shaft 204 and the driving shaft 204a are respectively arranged inside the through groove 101, and the driven shaft 204 and the driving shaft 204a are rotatably connected with a connecting frame 205 on the peripheral side walls, and the connecting frame 205 is located on one side of the mounting platform 1, the outer end of the protruding rod 202a passes through the inner side wall of the connecting frame 205, the nut 202b contacts the outer side wall of the connecting frame 205, and the driving wheel 204c is sleeved on the peripheral side wall of the driving shaft 204a, and the driving wheel 204c is located On the other side of the mounting platform 1, a driven wheel 204d is sleeved on the peripheral side wall of the driven shaft 204, and the driven wheel 204d is located on the other side of the mounting platform 1, and the driving wheel 204c is connected to the driven wheel 204d through the band saw 204b. The driving motor 206 is connected to the end of the driving shaft 204a, and the outer end surface of the driving motor 206 is connected to the frame 206a. The inner surface of the frame 206a is connected to the slider 206b, and the slider 206b is slidably connected to the inside of the slide groove 102;

[0035] Further, the two through grooves 101 are symmetrically arranged, the two sliding grooves 102 are symmetrically arranged, the sliding groove 102 is in T-shaped, the two guide grooves 103 are symmetrically arranged, the guide groove 103 is in T-shaped, the base 201a is in U-shaped, the guide block 203a is in T-shaped, the connecting frame 205 is in L-shaped, the rack 206a is in U-shaped, the two sliding blocks 206b are symmetrically arranged, and the sliding block 206b is in T-shaped;

[0036] The operation process of the embodiment is as follows: the worker starts the adjusting motor 201, when the rotating shaft 201b rotates clockwise, the cogwheel 201c rotates clockwise, the positive tooth plate 202 and the reverse tooth plate 203 move towards each other, the guide block 203a slides along the guide groove 103, the driving shaft 204a and the driven shaft 204 move towards each other, and then the tension of the band saw 204b is loosened; on the contrary, when the rotating shaft 201b rotates counterclockwise, the positive tooth plate 202 and the reverse tooth plate 203 move away from each other, the driving shaft 204a and the driven shaft 204 move away from each other, and then the tension of the band saw 204b is tightened; after the worker adjusts the tension of the band saw 204b to the working value, the worker starts the driving motor 206, the driving shaft 204a rotates, the driving wheel 204c rotates, and the band saw 204b drives the driven wheel 204d to rotate.

[0037] Embodiment 2

[0038] Please refer to Figure 1 、 Figure 5 and Figure 6 , on the basis of the specific embodiment one, the limiting assembly 3 is provided, the limiting assembly 3 includes a hollow cylinder 301, a limiting ring 302, a connecting ring 302a, a connecting rod 303 and a ball 303a, by rotating the limiting ring 302, and fixing the hollow cylinder 301, the limiting ring 302 and the hollow cylinder 301 are split, the limitation of the hollow cylinder 301 in the through groove 101 is released, and then the disassembly of the hollow cylinder 301 is realized, on the contrary, the hollow cylinder 301 is limited in the through groove 101, and then the disassembly of the hollow cylinder 301 is facilitated;

[0039] Specifically, the driving shaft 204a and the driven shaft 204 are both provided with a hollow cylinder 301 on the peripheral side wall, and the two hollow cylinders 301 are arranged in different through grooves 101, and the end of the hollow cylinder 301 is provided with a threaded groove 301a, the connecting ring 302a is threadedly connected in the threaded groove 301a, the limiting ring 302 is connected on the outer end face of the connecting ring 302a, the inner side wall of the limiting ring 302 is connected with the connecting rod 303, the inner end of the connecting rod 303 is provided with a ball 303a, and the ball 303a is in contact with the side wall of the mounting table 1;

[0040] Further, the two screw grooves 301a are symmetrically arranged, the inner depth of the screw groove 301a is twice the length of the connecting ring 302a, and the connecting rod 303 is arranged in an annular array;

[0041] The operation process of the embodiment is as follows: when the worker adjusts the tension of the band saw 204b, the ball 303a moves on the side wall of the mounting table 1, the connecting rod 303 moves, the limiting ring 302 moves, the connecting ring 302a moves, the hollow cylinder 301 moves, the hollow cylinder 301 is effectively prevented from moving forward and backward, thereby improving the stability of the movement of the driving wheel 204c and the driven wheel 204d; when the worker rotates the limiting ring 302 clockwise and fixes the hollow cylinder 301 with his hand, the connecting ring 302a rotates clockwise until the connecting ring 302a moves out of the inner part of the screw groove 301a, the position limitation of the hollow cylinder 301 in the through groove 101 is released, and the hollow cylinder 301 is disassembled; conversely, the hollow cylinder 301 is limited in the inner part of the through groove 101.

[0042] Embodiment 3

[0043] Please refer to Figure 1 and Figure 3 On the basis of the specific embodiment one and the specific embodiment two, the installation assembly 4 is provided, which comprises an installation seat 401 and a countersunk bolt 402. The countersunk bolt 402 is arranged to facilitate the disassembly and assembly between the sawing machine and the tension adjusting structure of the sawing machine.

[0044] Specifically, the installation seat 401 is connected to the upper surface of the mounting table 1, and the upper and lower surfaces of the installation seat 401 are provided with countersunk screw holes 401a, and the countersunk bolt 402 is threadedly connected in the inner part of the countersunk screw hole 401a.

[0045] Further, the installation seat 401 is in the shape of an I-beam, and the countersunk screw holes 401a are arranged in two groups, and each group of countersunk screw holes 401a is arranged in a rectangular array.

[0046] The operation process of the embodiment is as follows: the worker sets the upper surface of the installation seat 401 against the beam of the sawing machine, and rotates the countersunk bolt 402 on the upper surface of the installation seat 401 counterclockwise until the countersunk bolt 402 locks the installation seat 401 on the beam of the sawing machine, thereby locking the tension adjusting structure of the sawing machine on the sawing machine; conversely, the disassembly of the tension adjusting structure of the sawing machine is realized.

[0047] In the description of the specification, the description of the terms "one embodiment", "an example", "a specific example" and the like 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 utility model. In the specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0048] The preferred embodiments of the utility model disclosed above are only used for helping to set forth the utility model. The preferred embodiments do not describe all the details exhaustively, and also do not limit the utility model to only the specific implementation manners described. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments, in order to better explain the principles and practical applications of the utility model, so that the persons skilled in the art can well understand and utilize the utility model. The utility model is limited only by the claims and the whole scope and equivalents thereof.

Claims

1. A tension adjustment structure for a sawing machine, comprising a mounting platform (1), wherein the side walls of the mounting platform (1) are symmetrically provided with through slots (101), characterized in that: A tension adjustment assembly (2) is provided on the side wall of the mounting platform (1), and the tension adjustment assembly (2) includes a base (201a) connected to the side wall of the mounting platform (1), and the inner end surface of the adjustment motor (201) connected inside the base (201a) is connected to a rotating shaft (201b), and the rotating shaft (201b) is rotatably connected to the middle part of the side wall of the mounting platform (1), and a circular gear (201c) sleeved on the peripheral side wall of the rotating shaft (201b) is located on the side of the mounting platform (1). The upper and lower sides of the circular gear (201c) are respectively meshed with a forward tooth plate (202) and a reverse tooth plate (203); a connecting frame (205) provided on the outer end surface of the forward tooth plate (202) is internally rotatably connected to a driving shaft (204a); a connecting frame (205) provided on the outer end of the reverse tooth plate (203) is internally rotatably connected to a driven shaft (204); and the ends of the driving shaft (204a) and the driven shaft (204) away from the connecting frame (205) both pass through the through slot (101); The limiting assembly (3) provided on the outer peripheral side walls of the driving shaft (204a) and the driven shaft (204) comprises a hollow cylinder (301), the outer peripheral side walls of the driving shaft (204a) and the driven shaft (204) are both sleeved with the hollow cylinder (301), and the hollow cylinder (301) is provided inside the through groove (101), and the two ends of the hollow cylinder (301) are symmetrically provided with thread grooves (301a), and the outer end face of the connecting ring (302a) connected to the inner thread of the thread groove (301a) is connected to the limiting ring (302).

2. The tension adjustment structure of a sawing machine according to claim 1, characterized in that: Guide blocks (203a) are fixedly connected to the inner side walls of the forward tooth plate (202) and the reverse tooth plate (203), and the guide blocks (203a) are away from the connecting frame (205). Guide grooves (103) are symmetrically opened on the side walls of the mounting platform (1), and the guide blocks (203a) are slidably connected to the inside of the guide grooves (103).

3. The tension adjustment structure of a sawing machine according to claim 2, characterized in that: The outer end surfaces of the forward tooth plate (202) and the reverse tooth plate (203) are both fixedly connected with a protruding rod (202a), the outer end of the protruding rod (202a) passes through the inner side wall of the connecting frame (205), and the nut (202b) threadedly connected on the peripheral side wall of the protruding rod (202a) contacts the outer side wall of the connecting frame (205).

4. The tension adjustment structure of a sawing machine according to claim 1, characterized in that: The outer end surface of the driving motor (206) connected to the end of the driving shaft (204a) is connected to a frame (206a), the inner side wall of the frame (206a) is symmetrically connected to a slider (206b), and the side wall of the mounting platform (1) is symmetrically provided with a slide groove (102), and the slider (206b) is slidably connected to the inside of the slide groove (102).

5. The tension adjustment structure of a sawing machine according to claim 4, characterized in that: The driving wheel (204c) sleeved on the peripheral side wall of the driving shaft (204a) is located on the other side of the mounting platform (1), and the driven wheel (204d) sleeved on the peripheral side wall of the driven shaft (204) is located on the other side of the mounting platform (1). The driving wheel (204c) and the driven wheel (204d) are connected by transmission via a band saw (204b).

6. The tension adjustment structure of a sawing machine according to claim 1, characterized in that: The length of the connecting ring (302a) is twice the inner depth of the threaded groove (301a), and connecting rods (303) are connected in an annular array on the inner side wall of the limiting ring (302), and the balls (303a) provided at the inner ends of the connecting rods (303) are in contact with the side wall of the mounting platform (1).

7. The tension adjustment structure of a sawing machine according to claim 6, characterized in that: The upper surface of the mounting platform (1) is provided with a placement assembly (4), and the placement assembly (4) includes a placement seat (401) connected to the upper surface of the mounting platform (1). The upper and lower surfaces of the placement seat (401) are both provided with countersunk screw holes (401a), and the internal threads of the countersunk screw holes (401a) are connected to countersunk bolts (402).

8. The tension adjustment structure of a sawing machine according to claim 7, characterized in that: The placement seat (401) is in an I-shape, and two groups of countersunk screw holes (401a) are provided, and each group of countersunk screw holes (401a) is provided in a rectangular array.

Images