CN214981654U - Width adjusting system of sawing machine and sawing machine with same - Google Patents

Abstract

The embodiment of the application discloses a width adjusting system of a sawing machine and the sawing machine thereof, wherein the width adjusting system is fixedly installed through a base and comprises at least two synchronous width adjusting units, a transmission unit and a driving unit, the synchronous width adjusting units comprise fixed seats transversely arranged on the base and two groups of movable seats installed through the fixed seats, and a pair of the movable seats can be relatively close to or far away from the fixed seats along the axial direction of the fixed seats; the transmission unit comprises a pair of transmission components, and the transmission components drive the movable seat through the fixed seat; a pair of the transmission assemblies is driven by the driving unit. The adjustable width system has the advantages of relatively large adjustable width range and small whole width of the adjusting system, and the sawing machine using the adjustable width system has the advantages of small occupied factory area and convenience in accessing to the connection equipment of the front and rear processes.

Description

Width adjusting system of sawing machine and sawing machine with same

Technical Field

The utility model relates to a carpenter's saw technical field specifically is a width system of transferring of saw to and utilized this kind of carpenter's saw of transferring width system.

Background

Woodworking saws form a workpiece to a desired gauge or shape by cutting away excess stock. According to the width requirements of different finished products and semi-finished products, different distances need to be formed between two movable working platforms used for mounting a pair of saw blades on the sawing machine. In the prior art, as the door leaf sawing machine of chinese utility model 201520558864.5, a technical solution is provided that utilizes the positive and negative teeth lead screw to connect two movable working platforms, and drives the positive and negative teeth lead screw through the gear motor to change the working distance between the two movable working platforms. However, the above solution has the following technical problems:

1. the device has a certain adjustable width range, the whole width of the device is large, and the occupied plant area is large;

2. the connection with the connecting equipment of the previous and the next working procedures is inconvenient;

3. the adjustable width range of the device is relatively narrow, typically 450mm to 1000 mm.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome above-mentioned technical problem to a width system of transferring of saw is provided, it has the advantage that adjustable width scope is great relatively, governing system's whole width is little, and the saw of transferring width system who has consequently utilized this technical scheme has the advantage that occupies that factory building area is little, be convenient for and the line equipment of the way process links up around, the utility model provides a saw that has utilized this kind of width system of transferring simultaneously.

In order to achieve the above object, an embodiment of the present invention provides a width adjusting system for a sawing machine, which is fixedly installed on a base, and includes at least two sets of width adjusting units, a transmission unit and a driving unit, wherein each width adjusting unit includes a fixed seat transversely installed on the base and two sets of movable seats installed on the fixed seat, and a pair of the movable seats can be relatively close to or far away from each other along the axial direction of the fixed seat; the transmission unit comprises a pair of transmission components, and the transmission components drive the movable seat through the fixed seat; a pair of the transmission assemblies is driven by the driving unit.

By means of the structure, the same driving unit is used for driving the pair of transmission assemblies, and power is transmitted to the movable seats through the pair of transmission assemblies, so that the pair of movable seats can be synchronously close to or far away from each other, the transmission assemblies drive the movable seats through the fixed seats, only the pair of movable seats move relatively in the technical scheme, and the driving unit and the transmission units do not transversely move relative to the base.

Preferably, the fixing seat comprises a fixing seat body, a pair of gears arranged on the fixing seat body and a sliding guide rail fixedly arranged on the fixing seat body, and the movable seat comprises a movable seat body, a rack arranged on the movable seat body and meshed with the gears, and a sliding guide block matched with the sliding guide rail.

Preferably, the movable seat further comprises an auxiliary support assembly, the auxiliary support assembly comprises a round bar guide rail arranged in parallel with the sliding guide rail, an eccentric shaft fixedly installed through the base, and an eccentric wheel installed through the eccentric shaft, and the outer periphery of the eccentric wheel is provided with a guide groove matched with the round bar guide rail.

Preferably, the transmission assembly comprises a transmission shaft and a speed reducer for driving the transmission shaft, the transmission shaft penetrates through the gear and is fixed with the gear, and the gears on the same side of the base are arranged on the same transmission shaft; the speed reducers of the pair of transmission assemblies are driven by the driving unit.

Preferably, a plurality of transmission shaft supporting plates are transversely arranged on the base.

Preferably, the driving unit is a motor, and is connected to the pair of speed reducers through a coupling.

Preferably, the width adjusting system of the sawing machine further comprises a centering unit, wherein the centering unit comprises at least two centering assemblies, each centering assembly comprises a pair of centering tension wheels, a centering belt tensioned by the pair of centering tension wheels, a pair of centering slide blocks fixedly arranged at two sides of the stroke of the centering belt, and a pair of centering guide rails matched with the pair of centering slide blocks, and a centering support is fixedly arranged on each pair of centering slide blocks.

In conclusion, compared with the prior art, the width adjusting system of the sawing machine has the advantages that the adjustable width range is relatively large, and the whole width of the adjusting system is small.

In order to achieve the above objects, a second embodiment of the present invention provides a sawing machine using the above sawing machine width adjusting system, including a sawing excess material discharging system, which includes a pair of excess material receiving units, an excess material conveying unit mounted through the base, and an excess material collecting unit; the pair of excess material receiving units are respectively positioned at two sides of the excess material conveying unit and are arranged along the axial layout of the excess material conveying unit; the excess material conveying unit comprises an excess material conveying belt and a pair of tensioning rollers fixedly mounted through the base, wherein one tensioning roller is driven by a speed reducing motor; the width adjusting system of the sawing machine penetrates through a position between a process section and a return section of the excess material conveying belt; the excess material collecting unit is positioned at the transmission tail end of the excess material conveying unit and receives the cutting excess material falling from the excess material conveying unit.

Among the prior art, for solving the problem that the clout was retrieved, chinese utility model patent 201520558864.5 "door leaf saw cuts the machine" provides simultaneously and sets up in the technical scheme of the waste material track of two movable table both sides in order to receive and output the clout. However, this solution also causes the problems of increased overall width of the saw, large occupied space of the factory building and inconvenient connection with other production line equipment.

By means of the structure, the excess material receiving unit is arranged on the excess material conveying unit, the arrangement position of the sawing excess material discharging system in the sawing machine is located between the two movable working platforms, and therefore the overall width of the sawing machine is not increased due to the arrangement of the longitudinal sawing excess material discharging system; furthermore, the width adjusting system of the sawing machine is arranged between the process section and the return section of the excess material conveying belt, so that the process section and the return section are not influenced mutually, and the whole width and the whole height of the equipment are not increased. Thereby the longitudinal sawing clout discharging system of the technical scheme of the application has a relatively simple and compact structure, can reduce the occupation of the factory space, is more flexible due to the compact structure, and is convenient to be connected with other devices.

Preferably, the excess material receiving unit comprises a guide plate and a lifting unit which are obliquely arranged; one side of the guide plate at the high position is arranged on the movable rack through the lifting unit, and one side of the guide plate at the low position is positioned on the excess material conveying belt; the lifting unit comprises a mounting plate, a pair of guide rods, a movable rack and a movable plate, wherein the mounting plate is connected with one side of the high position of the guide plate in a hinged mode, the guide rods are arranged in the movable rack, the movable plate is sleeved on the guide rods, the movable plate drives the power part for lifting the movable plate, and a lifting groove is formed in the inner side wall of the movable rack, and one side of the movable plate extends out of the movable rack through the lifting groove and is fixedly connected with the mounting plate.

Preferably, the transmission assembly includes a transmission shaft and a speed reducer for driving the transmission shaft, the transmission shaft drives the movable seat, the movable seat on the same side of the base is driven by one of the transmission shafts, and the speed reducers of a pair of the transmission assemblies are driven by the driving unit; the power part is a steel wire rope, one end of the power part is fixedly connected with the movable plate, the other end of the power part is wound on the transmission shaft through a pulley, and the power part is wound or unwound along with the rotation of the transmission shaft.

In this technical scheme, power spare and drive unit linkage, and when adjusting work interval between two movable work platforms, change the relative angle between baffle and the mounting panel, the angle between baffle and the conveying face of clout conveying unit promptly, avoid the reduction of interval between a pair of movable work platforms and make the setting of baffle influence clout conveying unit's transport.

In summary, compared with the prior art, the sawing machine using the width adjusting system in the technical scheme of the application has the advantages of simple and compact structure, and is convenient to be connected with other equipment.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.

Fig. 1 is a schematic view of an overall structure of a sawing machine according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a width adjusting system according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a synchronous width adjusting unit according to an embodiment of the present invention;

fig. 4 is a top view of the synchronous width adjusting unit according to the embodiment of the present invention;

FIG. 5 is a schematic view of an installation of the guide plate according to the embodiment of the present invention;

fig. 6 is a schematic view of the subdivision of fig. 5.

In the figure: 100-base, 110-movable frame, 200-synchronous width adjusting unit, 210-fixed seat, 220-movable seat, 230-, 211-fixed seat body, 212-gear, 213-sliding guide rail, 221-movable seat body, 222-rack, 223-sliding guide block, 224-round bar guide rail, 225-eccentric shaft, 226-eccentric wheel, 227-movable frame mounting platform, 300-transmission unit, 310-transmission shaft, 320-speed reducer, 330-transmission shaft supporting sheet, 400-driving unit, 500-centering unit, 510-centering tension wheel, 520-centering belt, 530-centering slide block, 540-centering guide rail, 550-centering bracket, excess material receiving unit, 610-guide plate, 620-lifting unit, 630-guide plate extension sheet, 640-roller assembly, 621-mounting plate, 622-guide rod, 623-movable plate, 624-power component, 625-pulley, 700-excess material conveying unit, 720-tensioning roller, 800-movable working platform, 850-longitudinal conveying unit and 860-vacuum adsorption unit.

Detailed Description

In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Example (b): referring to fig. 1, the sawing machine includes a base 100, two sets of movable work platforms, a width adjusting system, and a sawing remainder discharging system.

Base 100

The base 100 may be any saw base known in the art. A pair of movable frames 110 are disposed thereon, and the movable frames 110 include an inner frame and an outer frame fixedly mounted to each other with a gap therebetween.

Movable working platform 800

The two movable work platforms 800 are installed by a pair of movable frames 110, and include a longitudinal conveying unit 850 (any belt conveying mechanism in the prior art) installed on the inner side of the inner frame, a vacuum adsorbing unit 860 (any mechanism capable of adsorbing and lifting a workpiece on the longitudinal conveying unit 850 in the prior art) installed on the outer side of the inner frame, and a longitudinal sawing unit (any sawing mechanism in the prior art, not shown in the figure) installed on the outer frame, and a saw blade of the longitudinal sawing unit is located above a gap between the inner frame and the outer frame. After sawing, the sawing excess material falls from the gap between the inner side frame and the outer side frame.

Width adjusting system

Referring to fig. 2, 3 and 4, the width adjusting system is fixedly installed on the base 100, and includes at least two sets (two in this embodiment) of synchronous width adjusting units 200, a transmission unit 300 and a driving unit 400, the synchronous width adjusting units 200 include a fixed seat 210 transversely disposed on the base 100 and two sets of movable seats 220 installed through the fixed seat 210, and a pair of movable seats 220 can relatively approach or depart from each other along the axial direction of the fixed seat 210; the transmission unit 300 includes a pair of transmission components, and the transmission components drive the movable base 220 through the fixed base 210; a pair of transmission assemblies is driven by the driving unit 400.

Specifically, the fixing base 210 includes a fixing base body 211 screwed to the base 100, a pair of gears 212 disposed on the fixing base body 211, and a pair of sliding guide rails 213 fixed on the fixing base body 211. The movable seat 220 includes a movable seat body 221, a rack 222 disposed on the movable seat body 221 and engaged with the gear 212, a sliding guide block 223 engaged with the sliding guide rail 213, and an auxiliary support assembly. The auxiliary support assembly includes a round bar guide 224 disposed in parallel with the slide guide 213, an eccentric shaft 225 fixedly installed (welded or screwed) through the base 100, an eccentric 226 installed through the eccentric shaft 225, the outer circumference of the eccentric 226 having a guide groove to be fitted with the round bar guide 224. The top surface of the movable seat body 221 is screwed or welded with a movable frame mounting platform 227 for mounting the movable frame 110. In this embodiment, the movable seat body 221 is screwed or welded across the base 100, the pair of gears 212 is welded or integrally formed at the proximal ends of the two sides of the fixed seat body 211, and the pair of sliding guide rails 213 is screwed on the two sides of the fixed seat body 211; the rack 222 is welded or screwed on the bottom surface of the sliding seat body 221, and is engaged with the gear 212, and the round bar guide 224 is welded or screwed on the side surface of the sliding seat body 221, and cooperates with the eccentric shaft 225 and the eccentric wheel 226 to assist in supporting the sliding seat body 221.

The driving assembly includes a driving shaft 310, a speed reducer 320 for driving the driving shaft 310, and a plurality of driving shaft supporting pieces 330 transversely disposed on the base 100. The transmission shaft 310 is arranged through the gear 212 and is in key connection with the gear 212, and the gear 212 for driving the movable seat 220 located on the same side of the base 100 is in key connection with the same transmission shaft 310, so that the transmission shaft 310 is arranged along the axial layout of the base 100; the speed reducers 320 of the pair of transmission assemblies are driven by the driving unit 400. In this embodiment, the driving unit 400 is a motor and is connected to the pair of speed reducers 320 through a coupling.

When the driving unit 400 works, the two speed reducers 320 drive the transmission shafts 310 on the two sides to synchronously and oppositely rotate, and the gears 212 on the two sides of the fixed seat body 211 are driven to synchronously and oppositely rotate, so that the movable seat body 221 is closed or away from each other.

The transmission assembly drives the movable seats 220 through the fixed seat 210, so that only one pair of movable seats 220 in the technical scheme moves relatively, and the driving unit 400 and the transmission unit 300 do not move transversely relative to the base 100, so that the width adjusting system in the technical scheme can reach the width adjusting range of 300mm to 1300mm, and has the advantages of relatively large adjustable width range and small whole width of the adjusting system.

As a preferred embodiment, the width adjusting system of the sawing machine further comprises a centering unit 500, wherein the centering unit 500 comprises at least two (in this embodiment, two) centering assemblies, each centering assembly comprises a pair of centering idler pulleys 510 threadedly mounted on the base 100, a centering belt 520 tensioned by the pair of centering idler pulleys 510, a pair of centering sliders 530 threadedly mounted on two sides of the stroke of the centering belt 520, and a pair of centering guide rails 540 matched with the pair of centering sliders 530, and the pair of centering guide rails 540 is threadedly mounted on the base 100. The centering sliding blocks 530 are fixedly provided with centering brackets 550, and the two centering brackets 550 are respectively used for being connected with the movable rack 110.

Sawing excess material discharging system

Referring back to fig. 1, the sawing residue discharging system includes a pair of residue receiving units 600, a residue transferring unit 700 installed through a base 100, and a residue collecting unit; the pair of excess material receiving units 600 are respectively located at two sides of the excess material conveying unit 700 and are arranged along the axial direction of the excess material conveying unit 700; the residue transfer unit 700 includes a residue transfer belt (not shown in the drawings, the installation position of which can be determined by the installation position of a pair of tension rollers 720), a pair of tension rollers 720 fixedly installed through the base 100, wherein one of the tension rollers 720 is driven by a reduction motor. The width adjusting system of the sawing machine is arranged between the process section and the return section of the excess material conveying belt, namely, the movable seats 220 at the two sides of the synchronous width adjusting unit 200 extend out of the excess material conveying belt and are connected with the movable rack 110, and the rest of the fixed structures are arranged in the excess material conveying belt. The surplus material collecting unit is located at a transmission end of the surplus material transfer unit 700 and receives the cut surplus material falling from the surplus material transfer unit 700.

Referring to fig. 5 and 6, in detail, the excess material receiving unit 600 includes a guide plate 610 disposed obliquely, and a plurality of (3-5) lifting units 620 disposed on an inner side surface of the outer frame. The guide plate 610 is installed on the outer frame of the movable frame 110 through the lifting unit 620 at one side of the high position, the guide plate 610 passes through the gap between the outer frame and the inner frame at one side of the high position, and the guide plate 610 is located on the excess material conveying belt at one side of the low position. The lifting unit 620 includes a mounting plate 621 hinged (in any hinge manner in the prior art) to one side of the guide plate 610 at a high position, a pair of guide rods 622 threadedly mounted inside the movable frame 110, a movable plate 623 sleeved on the pair of guide rods 622, a power member 624 driving the movable plate 623 to lift, and a lifting slot provided on an inner side wall of the movable frame 110, wherein one side of the movable plate 623 extends out of the movable frame 110 through the lifting slot and is threadedly connected or welded to the mounting plate 621. A limit support 650 is integrally formed below the hinged position of the back surface of the guide plate 610 and the lifting unit 620, and the end of the limit support 650 abuts against the mounting plate 621 to limit the minimum mounting angle between the guide plate 610 and the mounting plate 621.

As a preferred embodiment, the power member 624 is a steel wire rope, one end of the power member 624 is fixedly connected to the movable plate 623, and the other end of the power member 624 is wound on the transmission shaft 310 through the pulley 625 and is wound or unwound along with the rotation of the transmission shaft 310.

When the width adjusting system drives the pair of movable frames 110 to move oppositely (the distance is reduced), the transmission shaft 310 drives the power part 624 to roll, the movable plate 623 rises, and the upper end of the guide plate 610 is driven to rise through the mounting plate 621, so that the mounting included angle between the guide plate 610 and the mounting plate 621 is reduced until the end part of the limiting support piece 650 abuts against the mounting plate 621; when the width adjusting system drives the pair of movable working platforms to move back to back (the distance is reduced), the transmission shaft drives the power part 624 to unwind, the movable plate 623 descends, and the upper end of the guide plate 610 is driven to descend through the mounting plate 621, so that the mounting included angle between the guide plate 610 and the mounting plate 621 is increased. Through the structure, the power part 624 is linked with the width adjusting system, the relative angle between the guide plate 610 and the mounting plate 621, namely the angle between the guide plate 610 and the excess material conveying belt, is changed while the working distance between the pair of movable frames 110 is adjusted, and the influence of the arrangement of the guide plate 610 on the width of the effective conveying working surface of the excess material conveying belt 310 due to the reduction of the distance between the pair of movable frames 110 is avoided.

In a preferred embodiment, the guide plate 610 is provided at a lower side thereof with a roller assembly 640 and an extension plate 630 extending from the lower side of the guide plate 610. The extension plate 630 is an extension of the guide plate 610 and is a portion of the material of the guide plate 610. The roller assembly 640 is a non-powered roller structure in any prior art, the moving direction of which is perpendicular to the conveying direction of the excess material conveying belt, and the roller assembly is limited by the extension board 630, and only contacts the excess material conveying belt when the relative angle between the guide plate 610 and the mounting board 621 is increased to a certain degree. The angle can be set by one of ordinary skill in the art as desired.

As a preferred embodiment, the conveying direction of the odds transfer belt is opposite to the conveying direction of the longitudinal conveying unit 850. Therefore, the excess material collecting unit is located on one side of the conveying start end of the longitudinal conveying unit 850, so that the influence of the arrangement of the excess material collecting unit on the connection of the sawing machine with the subsequent process equipment can be avoided. In this embodiment, the clout collection unit is the clout collecting box.

The foregoing description is for the purpose of illustration and is not for the purpose of limitation. Many embodiments and many applications other than the examples provided will be apparent to those of skill in the art upon reading the above description. The scope of the present teachings should, therefore, be determined not with reference to the above description, but should instead be determined with reference to the appended claims, along with the full scope of equivalents to which such claims are entitled. The disclosures of all articles and references, including patent applications and publications, are hereby incorporated by reference for all purposes. The omission in the foregoing claims of any aspect of subject matter that is disclosed herein is not intended to forego the subject matter and should not be construed as an admission that the applicant does not consider such subject matter to be part of the disclosed subject matter.

Claims (10)

1. A width adjusting system of a sawing machine is fixedly installed through a base (100) and is characterized by comprising at least two groups of synchronous width adjusting units (200), a transmission unit (300) and a driving unit (400), wherein each synchronous width adjusting unit (200) comprises a fixed seat (210) transversely arranged on the base (100) and two groups of movable seats (220) installed through the fixed seat (210), and a pair of movable seats (220) can relatively approach or leave along the axial direction of the fixed seat (210); the transmission unit (300) comprises a pair of transmission components, and the transmission components drive the movable seat (220) through the fixed seat (210); a pair of said transmission assemblies is driven by said drive unit (400).

2. The width adjusting system of a sawing machine as claimed in claim 1, wherein the fixed base (210) comprises a fixed base body (211), a pair of gears (212) arranged on the fixed base body (211), and a sliding guide rail (213) fixedly arranged on the fixed base body (211), and the movable base (220) comprises a movable base body (221), a rack (222) arranged on the movable base body (221) and engaged with the gears (212), and a sliding guide block (223) matched with the sliding guide rail (213).

3. The sawing machine widening system according to claim 2, characterised in that the movable carriage (220) further comprises an auxiliary support assembly comprising a round bar guide (224) arranged parallel to the glide guide (213), an eccentric shaft (225) fixedly mounted by the base (100), an eccentric wheel (226) mounted by the eccentric shaft (225), the outer periphery of the eccentric wheel (226) having a guide groove cooperating with the round bar guide (224).

4. The sawing machine width adjustment system according to claim 2, wherein the transmission assembly comprises a transmission shaft (310) and a speed reducer (320) for driving the transmission shaft (310), the transmission shaft (310) is disposed through the gear (212) and fixed to the gear (212), and the gear (212) on the same side of the base (100) is disposed on the same transmission shaft (310); the speed reducers (320) of a pair of the transmission assemblies are driven by the driving unit (400).

5. The saw widening system according to claim 4, characterized in that a plurality of drive shaft support plates (330) are transversely arranged on the base (100).

6. The sawing machine widening system according to claim 4, wherein the drive unit (400) is a motor connected to a pair of speed reducers (320) by a coupling.

7. The width adjusting system of the sawing machine according to claim 1, further comprising a centering unit (500), wherein the centering unit (500) comprises at least two centering assemblies, the centering assemblies comprise a pair of centering pulleys (510), a centering belt (520) tensioned by the pair of centering pulleys (510), a pair of centering sliders (530) fixedly arranged at two sides of the stroke of the centering belt (520), and a pair of centering guide rails (540) matched with the pair of centering sliders (530), and a centering bracket (550) is fixedly arranged on the pair of centering sliders (530).

8. A sawing machine using the sawing machine widening system according to claim 1, characterised by comprising a sawing surplus material discharge system comprising a pair of surplus material receiving units (600), a surplus material transfer unit (700) mounted through the base (100), and a surplus material collecting unit; the pair of excess material receiving units (600) are respectively positioned at two sides of the excess material conveying unit (700) and are arranged along the axial layout of the excess material conveying unit (700); the excess material conveying unit (700) comprises an excess material conveying belt and a pair of tensioning rollers (720) fixedly installed through the base (100), wherein one tensioning roller (720) is driven by a speed reducing motor; the width adjusting system of the sawing machine penetrates through a position between a process section and a return section of the excess material conveying belt; the excess material collecting unit is positioned at the transmission tail end of the excess material conveying unit (700) and receives the cutting excess material falling from the excess material conveying unit (700).

9. A saw machine according to claim 8, characterised in that the surplus receiving unit (600) comprises a guide plate (610), a lifting unit (620) arranged obliquely; one side of the high position of the guide plate (610) is mounted on the movable rack (110) through the lifting unit (620), and one side of the low position of the guide plate (610) is positioned on the excess material conveying belt; lifting unit (620) including with mounting panel (621) that the eminence one side of baffle (610) is articulated to be connected, set up in a pair of guide bar (622), the cover of activity frame (110) inside is located a pair of fly leaf (623), drive on guide bar (622) power part (624) that fly leaf (623) go up and down, set up in lift groove on activity frame (110) inside wall, one side of fly leaf (623) is passed through the lift groove stretch out in outside activity frame (110), and with mounting panel (621) fixed connection.

10. The sawing machine according to claim 9, wherein the transmission assemblies comprise transmission shafts (310) and speed reducers (320) for driving the transmission shafts (310), the transmission shafts (310) drive the movable seats (220), the movable seats (220) on the same side of the base (100) are driven by one of the transmission shafts (310), and the speed reducers (320) of a pair of the transmission assemblies are driven by the driving unit (400); the power part (624) is a steel wire rope, one end of the power part (624) is fixedly connected with the movable plate (623), and the other end of the power part is wound on the transmission shaft (310) through a pulley (625) and wound or unwound along with the rotation of the transmission shaft (310).

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