CN106945125B - Two-sided evolution saw - Google Patents

Two-sided evolution saw Download PDF

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Publication number
CN106945125B
CN106945125B CN201710295399.4A CN201710295399A CN106945125B CN 106945125 B CN106945125 B CN 106945125B CN 201710295399 A CN201710295399 A CN 201710295399A CN 106945125 B CN106945125 B CN 106945125B
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CN
China
Prior art keywords
saw
cutting
transmission
gear
wood
Prior art date
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Expired - Fee Related
Application number
CN201710295399.4A
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Chinese (zh)
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CN106945125A (en
Inventor
张世海
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Linhai Shihai Machinery Co ltd
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Linhai Shihai Machinery Co ltd
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Publication date
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Priority to CN201710295399.4A priority Critical patent/CN106945125B/en
Publication of CN106945125A publication Critical patent/CN106945125A/en
Application granted granted Critical
Publication of CN106945125B publication Critical patent/CN106945125B/en
Expired - Fee Related legal-status Critical Current
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27BSAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
    • B27B5/00Sawing machines working with circular or cylindrical saw blades; Components or equipment therefor
    • B27B5/02Sawing machines working with circular or cylindrical saw blades; Components or equipment therefor characterised by a special purpose only
    • B27B5/06Sawing machines working with circular or cylindrical saw blades; Components or equipment therefor characterised by a special purpose only for dividing plates in parts of determined size, e.g. panels
    • B27B5/065Sawing machines working with circular or cylindrical saw blades; Components or equipment therefor characterised by a special purpose only for dividing plates in parts of determined size, e.g. panels with feedable saw blades, e.g. arranged on a carriage
    • B27B5/075Sawing machines working with circular or cylindrical saw blades; Components or equipment therefor characterised by a special purpose only for dividing plates in parts of determined size, e.g. panels with feedable saw blades, e.g. arranged on a carriage characterised by having a plurality of saw blades, e.g. turning about perpendicular axes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27BSAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
    • B27B29/00Gripping, clamping, or holding devices for the trunk or log in saw mills or sawing machines; Travelling trunk or log carriages
    • B27B29/02Clamping angles; Gripping equipment thereon
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27BSAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
    • B27B5/00Sawing machines working with circular or cylindrical saw blades; Components or equipment therefor
    • B27B5/29Details; Component parts; Accessories
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27GACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR WORKING WOOD OR SIMILAR MATERIALS; SAFETY DEVICES FOR WOOD WORKING MACHINES OR TOOLS
    • B27G3/00Arrangements for removing bark-zones, chips, waste, or dust, specially designed for use in connection with wood-working machine or in wood-working plants

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Sawing (AREA)

Abstract

The utility model provides a two-sided evolution saw, includes the base, sets firmly a timber dress mechanism admittedly on the base, still the activity is equipped with a timber cutting mechanism on the base, timber cutting mechanism includes the cutting machine framework, is equipped with the guide rail that sets up with timber dress mechanism admittedly perpendicularly on the cutting machine framework, is equipped with evolution saw moving mechanism on the guide rail. The device adopts the action of the wood cutting mechanism, and the wood is fixed on the wood fixing mechanism for operation, so that the operation process is more stable; the cutting mechanism adopts a mode of arranging on two sides to improve the working efficiency, and adopts a first cutting saw and a second cutting saw which are obliquely arranged in height to improve the capacity of processing large-scale timber; the excess material is quickly pushed away by adopting an excess material pushing device so as to improve the cleaning degree of a wood cutting area; an operating platform is arranged on the cutting machine framework, so that an operator can operate the squaring saw mechanism conveniently and keep synchronous with the moving squaring saw mechanism.

Description

Two-sided evolution saw
The technical field is as follows:
the invention relates to a double-sided square saw.
Background art:
a log cutting saw is also called a cutting saw, and refers to a tool for cutting logs into square logs. The existing squaring saw is generally fixed by a saw, a transmission mechanism drives wood to be cut by the rotating saw to obtain square wood or wood boards, and the stability is poor in the operation process; the saw generally adopts a single saw blade type, so that a round wood is cut into square wood and the square wood is cut at least four times, and the efficiency is low. The prior art has no solution to this problem.
The invention content is as follows:
the invention aims to solve the defects in the prior art, provides the double-sided square saw which is reasonable in structure, high in cutting efficiency and good in stability, and solves the problems in the prior art.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the utility model provides a two-sided evolution saw, includes the base, sets firmly a timber dress mechanism admittedly on the base, still the activity is equipped with a timber cutting mechanism on the base, timber cutting mechanism includes the cutting machine framework, is equipped with the guide rail that sets up with timber dress mechanism admittedly perpendicularly on the cutting machine framework, is equipped with evolution saw moving mechanism on the guide rail.
Preferably, the wood fixing mechanism comprises a fixing mechanism frame, a fixed baffle is arranged at one end of the top of the fixing mechanism frame, an air cylinder is fixedly arranged at the other end of the top of the fixing mechanism frame, a piston rod of the air cylinder extends out of the air cylinder and is connected with a movable baffle, and the movable baffle and the fixed baffle are arranged oppositely.
Preferably, the cutting saw moving mechanism comprises two oppositely arranged cutting saw mechanisms, the wood fixing mechanism is arranged between the two cutting saw mechanisms, the cutting saw mechanism comprises a cutting saw framework, a first cutting saw is arranged on one side, facing the wood fixing mechanism, of the cutting saw framework, a transmission shaft of the first cutting saw is connected with a first motor arranged on the cutting saw framework through a belt, and the cutting machine framework is further provided with a moving mechanism used for the two cutting saw mechanisms to move.
Preferably, the two opposite cutting mechanisms are a first cutting mechanism and a second cutting mechanism respectively, the moving mechanism is fixedly arranged on the cutting machine framework and comprises a first hand wheel, the first hand wheel is connected with a first bevel gear, the first bevel gear is meshed with a second bevel gear arranged on a first transmission shaft, a first transmission gear is arranged at the upper end and/or the lower end of the first transmission shaft, a first transmission rack and a second transmission rack are arranged on two sides of the first transmission gear respectively, the first transmission rack is connected with the first cutting mechanism, and the second transmission rack is connected with the second cutting mechanism.
Preferably, the cutting machine further comprises a second hand wheel fixedly arranged on the first squaring saw mechanism, the second hand wheel is connected with a third bevel gear, the third bevel gear is meshed with a fourth bevel gear arranged on a second transmission shaft, a second transmission gear is arranged at the upper end and/or the lower end of the second transmission shaft, a third transmission rack is arranged on one side of the second transmission gear, the third transmission rack is movably connected with the first squaring saw mechanism, and one side of the third transmission rack is fixedly connected with a cutting machine frame or a moving mechanism.
Preferably, the sawing machine further comprises a second hand wheel fixedly arranged on the first square sawing mechanism, the second hand wheel is connected with a third bevel gear, the third bevel gear is meshed with a fourth bevel gear arranged on a second transmission shaft, a second transmission gear is arranged at the upper end and/or the lower end of the second transmission shaft, a first transmission rack is arranged in a guide rail fixedly connected with the first square sawing mechanism, and the second transmission gear is meshed with the first transmission rack.
Preferably, a second square saw is further arranged above the side of the first square saw, and a transmission shaft of the second square saw is connected with a transmission shaft of the first square saw through a belt.
Preferably, a remainder pushing device is arranged on a cutting saw frame on the inner side of the first cutting saw and comprises a pushing cylinder, a piston rod of the pushing cylinder is connected with a pushing rack, the pushing rack is connected with a first pushing gear, a gear shaft of the first pushing gear is connected with a second pushing gear, a driven wheel is arranged on the cutting saw frame relative to the second pushing gear, a transmission belt is arranged between the second pushing gear and the driven wheel, and the transmission belt is fixedly connected with a material pushing plate.
Preferably, the base is provided with a plurality of sliding rails in the same direction as the wood fixing mechanism, a pulley matched with the sliding rails is arranged below the cutting machine framework, and a wheel shaft of the pulley is connected with an output shaft of the second motor through a belt.
Preferably, an operating platform is further arranged on the cutting machine framework.
Compared with the prior art, the invention has the advantages that: the wood cutting mechanism is adopted to act, and the operation is carried out in a mode that wood is fixed on the wood fixing mechanism, so that the operation process is more stable; the cutting mechanism adopts a mode of arranging on two sides to improve the working efficiency, and adopts a first cutting saw and a second cutting saw which are obliquely arranged in height to improve the capacity of processing large-scale timber; the excess material is quickly pushed away by adopting an excess material pushing device so as to improve the cleaning degree of a wood cutting area; an operating platform is arranged on the cutting machine framework, so that an operator can operate the squaring saw mechanism conveniently and keep synchronous with the moving squaring saw mechanism.
Description of the drawings:
FIG. 1 is a schematic diagram of the present invention.
Fig. 2 is a schematic view of the internal drive of the present invention.
FIG. 3 is a schematic view of the first hand wheel and its attachment.
Fig. 4 is a schematic view of a second wheel and its attachment.
Fig. 5 is a schematic view of a wood-securing mechanism.
In the figure, 1, a base, 2, a wood fixing mechanism, 3, a wood cutting mechanism, 4, a cutting machine framework, 5, a cutting saw moving mechanism, 6, a fixing machine framework, 7, a fixed baffle, 8, a cylinder, 9, a movable baffle, 10, a cutting saw mechanism, 11, a cutting saw framework, 12, a first cutting saw, 13, a first motor, 14, a first cutting saw mechanism, 15, a second cutting saw mechanism, 16, a first hand wheel, 17, a first bevel gear, 18, a first transmission shaft, 19, a second bevel gear, 20, a first transmission gear, 21, a first transmission rack, 22, a second transmission rack, 23, a second hand wheel, 24, a third bevel gear, 25, a second transmission shaft, 26, a fourth bevel gear, 27, a second transmission gear, 28, a third rack, 29, a second cutting saw, 30, a pushing cylinder, 31, a pushing rack, 32, a first pushing gear, 33. a second pushing wheel 34, a transmission belt 35, a pushing plate 36, a sliding rail 37, a pulley 38, an operation platform 39 and a second motor.
The specific implementation mode is as follows:
in order to clearly explain the technical features of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings.
As shown in fig. 1-5, a double-sided cutting saw comprises a base 1, a wood fixing mechanism 2 is fixedly arranged on the base 1, a wood cutting mechanism 3 is movably arranged on the base 1, the wood cutting mechanism 3 comprises a cutting machine frame 4, a guide rail perpendicular to the wood fixing mechanism 2 is arranged on the cutting machine frame 4, and a cutting saw moving mechanism 5 is arranged on the guide rail.
The wood fixing mechanism 2 comprises a fixing mechanism frame 6, a fixed baffle 7 is arranged at one end of the top of the fixing mechanism frame 6, an air cylinder 8 is fixedly arranged at the other end of the top of the fixing mechanism frame 6, a piston rod of the air cylinder 8 extends out of the air cylinder 8 to be connected with a movable baffle 9, and the movable baffle 9 and the fixed baffle 7 are arranged oppositely. In use, wood is placed between the fixed baffle 7 and the movable baffle 9, and then the cylinder 8 is operated to move the movable baffle 9 until the wood is compressed. The bottom of the movable baffle can be connected with a fixed mechanism frame 6 in a hinged mode so as to improve the stability of wood in the blocking and pressing process.
The cutting saw moving mechanism 5 comprises two opposite cutting saw mechanisms 10, the wood fixing mechanism 2 is arranged between the two cutting saw mechanisms 10, the cutting saw mechanism 10 comprises a cutting saw framework 11, a first cutting saw 12 is arranged on one side, facing the wood fixing mechanism 2, of the cutting saw framework 11, a transmission shaft of the first cutting saw 12 is connected with a first motor 13 arranged on the cutting saw framework 11 through a belt, and a moving mechanism used for the two cutting saw mechanisms 10 to move is further arranged on the cutting machine framework 4. The two opposite cutting square saw mechanisms 10 are adopted, so that two sides of wood can be cut at one time, a round wood can be cut into a square wood at two times, and the working efficiency is greatly improved.
The two opposite cutting square saw mechanisms 10 are respectively a first cutting square saw mechanism 14 and a second cutting square saw mechanism 15, the moving mechanism is fixedly arranged on the cutting machine frame 4 and comprises a first hand wheel 16, the first hand wheel 16 is connected with a first bevel gear 17, the first bevel gear 17 is meshed with a second bevel gear 19 arranged on a first transmission shaft 18, a first transmission gear 20 is arranged at the upper end and/or the lower end of the first transmission shaft 18, a first transmission rack 21 and a second transmission rack 22 are respectively arranged on two sides of the first transmission gear 20, the first transmission rack 21 is connected with the first cutting square saw mechanism 14, and the second transmission rack 22 is connected with the second cutting square saw mechanism 15. The method that one transmission shaft, namely the first transmission shaft 18 and two racks thereof, namely the first transmission rack 21 and the second transmission rack 22 are matched is adopted, so that the first transmission rack 21 and the second transmission rack 22 can be guaranteed to move at the same position, and the first cutting saw mechanism 14 and the second cutting saw mechanism 15 which are well adjusted are always located on two sides of the same central line.
The cutting machine further comprises a second hand wheel 23 fixedly arranged on the first square saw mechanism 14, the second hand wheel 23 is connected with a third bevel gear 24, the third bevel gear 24 is meshed with a fourth bevel gear 26 arranged on a second transmission shaft 25, a second transmission gear 27 is arranged at the upper end and/or the lower end of the second transmission shaft 25, a third transmission rack 28 is arranged on one side of the second transmission gear 27, the third transmission rack 28 is movably connected with the first square saw mechanism 14, and one side of the third transmission rack 28 is fixedly connected with the cutting machine framework 4 or the moving mechanism. The second hand wheel 23 can be used for fine adjustment of the position of the first squaring saw mechanism 14, and can be used for adjusting the position of the first squaring saw mechanism 14 when a plurality of wood with uneven distribution is cut on one side or the wood is cut with inconsistent cutting degree, so as to better complete the operation task.
The cutting device further comprises a second hand wheel 23 fixedly arranged on the first square saw mechanism 14, the second hand wheel 23 is connected with a third bevel gear 24, the third bevel gear 24 is meshed and connected with a fourth bevel gear 26 arranged on a second transmission shaft 25, a second transmission gear 27 is arranged at the upper end and/or the lower end of the second transmission shaft 25, the first transmission rack 21 is arranged in a guide rail fixedly connected with the first square saw mechanism 14, and the second transmission gear 27 is meshed and connected with the first transmission rack 21. The engagement between the first transmission rack 21 and the second transmission gear 27 can ensure the stable transmission of the first transmission rack 21 when the first squaring saw mechanism 14 and the second squaring saw mechanism 15 move, and can also ensure that the second hand wheel 23 and the attached facilities drive the first squaring saw mechanism 14 to move along the first transmission rack 21 when the first squaring saw mechanism 14 is moved.
A second squaring saw 29 is arranged above the side of the first squaring saw 12, and a transmission shaft of the second squaring saw 29 is connected with a transmission shaft of the first squaring saw 12 through a belt. The cutting machine is used for processing large wood and ensures that the cutting task can be completed at one time.
The cutting saw mechanism 11 on the inner side of the first cutting saw 12 is provided with a residual material pushing device, the residual material pushing device comprises a pushing cylinder 30, a piston rod of the pushing cylinder 30 is connected with a pushing rack 31, the pushing rack 31 is connected with a first pushing gear 32, a gear shaft of the first pushing gear 32 is connected with a second pushing wheel 33, a driven wheel is arranged on the cutting saw mechanism 11 relative to the second pushing wheel 33, a transmission belt 34 is arranged between the second pushing wheel 33 and the driven wheel, and the transmission belt is fixedly connected with a material pushing plate 35. For pushing out the excess material, which is placed against the subsequent cutting operation. The pushing cylinder 8 pushes the piston rod fast to drive the pushing rack 31 to move fast, the pushing rack 31 drives the first pushing gear 32 to move fast, the first pushing gear 32 and the second pushing wheel 33 are coaxially arranged, then the second pushing wheel 33 drives the transmission belt 34 to move fast, the transmission belt 34 drives the pushing plate 35 to move, and the pushing plate 35 pushes the remainder out of the device.
The base 1 is provided with a plurality of slide rails 36 which are in the same direction as the wood fixing mechanism 2, a pulley 37 which is matched with the slide rails 36 is arranged below the cutting machine framework 4, and the wheel axle of the pulley 37 is connected with the output shaft of a second motor 39 through a belt. The stability of the overall movement is ensured so as to ensure the quality of the wood obtained by cutting.
An operating platform 38 is also provided on the cutter frame 4. An operating platform is arranged on the cutting machine frame 4, so that an operator can operate the squaring saw mechanism 10 conveniently, and the operator can keep synchronous with the moving squaring saw mechanism 10, and the operation process can be supervised conveniently.
When in use, wood is firstly placed at the top of the fixed mechanism frame 6, then the movable baffle 9 is pushed by the air cylinder 8, and the wood is fixedly arranged between the movable baffle 9 and the fixed baffle 7; then the distance between the first square sawing mechanism 14 and the second square sawing mechanism 15 is adjusted according to the cutting requirements: if the distance between the first bevel gear and the second bevel gear needs to be expanded in a balanced manner, the first hand wheel 16 rotates the first bevel gear 17, the first bevel gear 17 drives the second bevel gear 19 meshed with the first bevel gear, the second bevel gear 19 drives the first transmission shaft 18 to move, the first transmission shaft 18 drives the first transmission gears 20 at two ends to move, the first transmission gears 20 drive the first transmission rack 21 and the second transmission rack 22 to move, the first transmission rack 21 drives the first square saw mechanism 14 to move, the second transmission rack 22 drives the second square saw mechanism 15 to move, and the first transmission gears 20 are arranged between the first transmission rack 21 and the second transmission rack 22, so that the first transmission rack 21 and the second transmission rack 22 always move in the opposite direction or in the opposite direction, and the first transmission rack and the second transmission rack can guarantee that the movement distances between the first transmission rack 21 and the second transmission rack are the same; if only one cutting saw structure needs to be adjusted, the third bevel gear 24 is rotated through the second hand wheel 23, the third bevel gear 24 drives a fourth bevel gear 26 meshed with the third bevel gear, the fourth bevel gear 26 drives a second transmission shaft 25 to move, the second transmission shaft 25 drives second transmission gears 27 at two ends to move, and the second transmission gears 27 move along an independent third transmission rack 28 or a second transmission rack 22 so as to drive the first cutting saw mechanism 14 to move; after the adjustment is finished, the second motor 39 is started to drive the whole wood cutting mechanism 3 to move, so that the wood cutting is finished.
The above-described embodiments should not be construed as limiting the scope of the present invention, and any alternative modifications or alterations to the embodiments of the present invention will be apparent to those skilled in the art.
The present invention is not described in detail, but is known to those skilled in the art.

Claims (7)

1. The utility model provides a two-sided evolution saw which characterized in that: the wood cutting device comprises a base, wherein a wood fixing mechanism is fixedly arranged on the base, a wood cutting mechanism is movably arranged on the base and comprises a cutting machine framework, a guide rail which is perpendicular to the wood fixing mechanism is arranged on the cutting machine framework, and an open saw moving mechanism is arranged on the guide rail;
the wood fixing mechanism comprises a fixing mechanism frame, a fixed baffle is arranged at one end part of the top of the fixing mechanism frame, an air cylinder is fixedly arranged at the other end part of the top of the fixing mechanism frame, a piston rod of the air cylinder extends out of the air cylinder and is connected with a movable baffle, and the movable baffle is arranged opposite to the fixed baffle;
the cutting machine comprises a cutting machine frame, a wood fixing mechanism, a square saw moving mechanism and a wood fixing mechanism, wherein the wood fixing mechanism is arranged between the two cutting mechanisms;
a second square cutting saw is arranged above the side of the first square cutting saw, and a transmission shaft of the second square cutting saw is connected with a transmission shaft of the first square cutting saw through a belt.
2. A double-sided rip saw as defined in claim 1, wherein: the two opposite cutting saw mechanisms are respectively a first cutting saw mechanism and a second cutting saw mechanism, the moving mechanism is fixedly arranged on a cutting machine framework and comprises a first hand wheel, the first hand wheel is connected with a first bevel gear, the first bevel gear is meshed with a second bevel gear arranged on a first transmission shaft, a first transmission gear is arranged at the upper end and/or the lower end of the first transmission shaft, a first transmission rack and a second transmission rack are respectively arranged on the two sides of the first transmission gear, the first transmission rack is connected with the first cutting saw mechanism, and the second transmission rack is connected with the second cutting saw mechanism.
3. A double-sided rip saw as defined in claim 1, wherein: the cutting machine is characterized by further comprising a second hand wheel fixedly arranged on the first square saw mechanism, the second hand wheel is connected with a third bevel gear, the third bevel gear is meshed with a fourth bevel gear arranged on a second transmission shaft, a second transmission gear is arranged at the upper end and/or the lower end of the second transmission shaft, a third transmission rack is arranged on one side of the second transmission gear, the third transmission rack is movably connected with the first square saw mechanism, and one side of the third transmission rack is fixedly connected with a cutting machine framework or a moving mechanism.
4. A double-sided rip saw as defined in claim 1, wherein: the second hand wheel is fixedly arranged on the first square saw mechanism, the second hand wheel is connected with a third bevel gear, the third bevel gear is meshed with a fourth bevel gear arranged on a second transmission shaft, a second transmission gear is arranged at the upper end and/or the lower end of the second transmission shaft, a first transmission rack is arranged in a guide rail fixedly connected with the first square saw mechanism, and the second transmission gear is meshed with the first transmission rack.
5. A double-sided jigsaw according to any one of claims 1 to 4, wherein: the residual material pushing device is arranged on an inner side of the first squaring saw and comprises a pushing cylinder, a piston rod of the pushing cylinder is connected with a pushing rack, the pushing rack is connected with a first pushing gear, a gear shaft of the first pushing gear is connected with a second pushing gear, a driven wheel is arranged on the squaring saw framework relative to the position of the second pushing gear, a transmission belt is arranged between the second pushing gear and the driven wheel, and the transmission belt is fixedly connected with a material pushing plate.
6. A double-sided rip saw as defined in claim 1, wherein: the base is provided with a plurality of sliding rails which are in the same direction as the wood fixing mechanism, a pulley which is matched with the sliding rails is arranged below the cutting machine framework, and a wheel shaft of the pulley is connected with an output shaft of the second motor through a belt.
7. A double-sided rip saw as defined in claim 1, wherein: an operating platform is also arranged on the cutting machine framework.
CN201710295399.4A 2017-04-28 2017-04-28 Two-sided evolution saw Expired - Fee Related CN106945125B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710295399.4A CN106945125B (en) 2017-04-28 2017-04-28 Two-sided evolution saw

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710295399.4A CN106945125B (en) 2017-04-28 2017-04-28 Two-sided evolution saw

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CN106945125A CN106945125A (en) 2017-07-14
CN106945125B true CN106945125B (en) 2022-07-08

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