CN107718171B - Straight saw blade of electric saw - Google Patents
Straight saw blade of electric saw Download PDFInfo
- Publication number
- CN107718171B CN107718171B CN201710896610.8A CN201710896610A CN107718171B CN 107718171 B CN107718171 B CN 107718171B CN 201710896610 A CN201710896610 A CN 201710896610A CN 107718171 B CN107718171 B CN 107718171B
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- saw blade
- saw
- straight
- screw
- supporting plate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
- B27B19/00—Other reciprocating saws with power drive; Fret-saws
- B27B19/002—Power-driven hand saws
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
- B27B33/00—Sawing tools for saw mills, sawing machines, or sawing devices
- B27B33/02—Structural design of saw blades or saw teeth
- B27B33/04—Gang saw blades
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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 invention relates to a straight saw blade of an electric saw, which is composed of a straight saw blade (1), a supporting plate (2), a traction piece (6), a pressing sheet (4) and a step screw (9), two movable grooves (10) arranged on the straight saw blade are fixed with the supporting plate (2) and the pressing sheet (4) through step screws (9), the straight saw blade (1) is clamped between the supporting plate (2) and the pressing sheet (4), and the step shaft (25) of the step screw (9) is higher than the movable groove (10) to form a movable structure of the straight saw blade (1) between the supporting plate (2) and the pressing sheet (4), the traction shaft (7) of the traction piece (6) is driven by the power of an electric saw or a chain saw to generate longitudinal high-speed back and forth push-and-pull sliding of the straight saw blade (1), so that the saw blade which has the same sawing effect as the traditional chain saw belt on trees is not provided with a rotary safety device; overcomes the defect of unsafe saw cutting caused by high-speed rotation of a chain saw belt in the prior art, and is suitable for safe improvement of electric saws and chain saw blades.
Description
Technical Field
The invention relates to an electric saw blade, in particular to an electric straight saw blade, belonging to the field of electric tools.
Background
As is well known, in the sawing operation of trees, electric saws that have been widely developed in recent years include electric saws and chain saws, in which the saw blades are chain type saw belts, and the high-speed rotation of the saw belts can realize the fast sawing of trees, and such electric saws or chain saws can provide a highly efficient sawing effect for the sawing of trees. Therefore, for the sake of safety, it is necessary to research and develop saw blade sawing operation without rotation, and to eliminate potential safety hazards.
Disclosure of Invention
In order to overcome the potential safety hazard existing in the prior art that the electric saw adopts the chain saw belt to rotate at a high speed to realize operation and ensure safe operation, the invention discloses an electric saw straight saw blade without a rotating straight saw blade, which adopts the technical scheme that: the utility model provides an electronic saw vertical bar saw bit, mainly by the vertical high-speed front and back round trip push-and-pull slip of vertical bar saw bit with constitute the vertical bar saw bit, realize saw cutting the layer board of trees operation, draw the piece, preforming, step screw and the activity groove on the vertical bar saw bit constitute its characterized in that: the long strip-shaped straight saw blade which does not rotate and can longitudinally push back and forth at high speed to slide is adopted to saw the trees, the saw teeth are processed on one side of the front part of the straight saw blade, 3 bellmouth screw holes which are arranged in a triangular mode and used for fixing a traction piece and two movable grooves are respectively processed on the rear end and the front end of the rear part of the straight saw blade in the longitudinal direction, the rear part of the straight saw blade is fixedly connected with the traction piece, the two movable grooves on the front part of the straight saw blade are fixed with a supporting plate and a pressing plate through step screws, spring pads and nuts, the straight saw blade is clamped between the supporting plate and the pressing plate, and a longitudinal movable structure of the straight saw blade between the supporting plate and the pressing plate is, the traction shaft above the traction piece is driven by the power of the electric saw or the chain saw to generate the longitudinal high-speed back and forth push-and-pull sliding of the straight saw blade, the safe sawing operation of the tree chainless saw belt with high-speed rotation is realized while the sawing effect is the same as that of the traditional chain saw belt;
the straight saw blade is made of a woodworking saw blade material with moderate hardness of 1-1.5mm and good wear resistance, sawteeth are processed into claw-shaped tooth tips which are slightly recessed inwards from a vertical line and have tooth backs forming an angle of 60 degrees with the vertical line, the tooth tips are inwards (rear) and outwards (front), and the straight saw blade is formed by pulling backwards to be sawn and pushed forwards to be sawed back in the front-back pushing and pulling process and each tooth tip is respectively and sequentially pulled leftwards and rightwards to form a saw path so as to prevent the saw blade from being blocked in the sawing process;
the supporting plate is made of a common iron plate, two step screw holes which correspond to and are matched with two longitudinal movable grooves of the straight saw blade and a step shaft of a step screw are longitudinally processed at the front end of the supporting plate, at least 3 or more than 3 screw holes are processed at the rear end of the supporting plate, and the supporting plate is fixed at a corresponding position of the electric saw by the screws penetrating through the screw holes;
the pressing sheet is made of the same material with good wear resistance as the straight saw blade, and screw holes which are equidistant with the screw holes of the two steps of the supporting plate and are matched with screws of the thread sections in the step screws are longitudinally processed at the two ends of the pressing sheet;
the traction piece is formed by welding and fixing an iron box consisting of a traction piece plane, a vertical plane, a left side surface and a right side surface on a base to form a traction piece whole; the front end of the plane of the traction piece is provided with a traction shaft hole penetrating through the traction shaft, the back of the traction shaft penetrating through the traction shaft hole is fixed by electric welding, the traction shaft is fixed above the plane of the traction piece and is overlapped by a screw hole of a base forming the whole traction piece and a horn screw hole on the straight saw blade, the traction piece is fixed at the rear end of the rear part of the straight saw blade by a screw, and the traction shaft is driven by the power of an electric saw or a chain saw to form the longitudinal high-speed back-and-forth push-pull sliding of the straight saw blade;
the step screw, by the screw head, step axle and thread section screw are constituteed, the size of step axle is identical with straight saw bit activity groove, length is in order to grow out layer board and the superimposed thickness of straight saw bit a little, pass the layer board screw hole by the step axle, the sliding tray of straight saw bit, and the thread section screw passes the screw hole of preforming and the spring pad of configuration, the nut fastening, through step axle length grow out layer board and straight saw bit thickness a little, it presss from both sides and is the active structure to constitute straight saw bit and put between layer board and preforming.
The invention discloses an electric saw blade without a running straight saw blade, which is used for sawing trees by longitudinally pushing the straight saw blade back and forth at a high speed, overcomes the potential safety hazard of the prior art that the electric saw adopts a chain saw belt to rotate at a high speed, and ensures the safety of operation while obtaining the sawing effect of the traditional chain saw belt.
Drawings
FIG. 1 is a schematic front view of the overall structure principle;
FIG. 2 is a plan view of the overall structure;
FIG. 3 is a schematic structural view of a straight saw blade, wherein: a is a plan view, and b is an enlarged view of the sawtooth structure;
fig. 4 is a schematic structural diagram of a supporting plate, wherein: a is a front view, and b is a plan view;
fig. 5 is a schematic structural view of the traction member, wherein: a is a front view, and b is a plan view;
FIG. 6 is a schematic diagram of a tablet configuration;
fig. 7 is a view showing a stepped screw structure.
The reference numbers illustrate:
in fig. 1: 1. is a straight saw blade, 2 is a supporting plate, 3 is a nut, 4 is a pressing sheet, 5 is a spring pad, 6 is a traction piece, 7 is a traction shaft, 8 is a screw, 9 is a step screw,
in fig. 2: 10. is a movable groove 11 and is a sawtooth;
in fig. 3: 12. a bell-mouth screw hole 13, a vertical line 14, a tooth mouth 15, a tooth back 16 and a tooth tip;
in fig. 4: 17. is a screw hole, 18, is a step screw hole;
in fig. 5: 19. the plane of the traction piece is 20, the vertical plane is 21, the side face is 22, the base is 23 and the traction shaft hole is formed;
in fig. 7: 24. the screw head is 25, the step shaft is 26, and the thread section screw is provided.
Detailed Description
The above invention will be further explained with reference to the accompanying drawings.
The attached figures 1 and 2 are schematic diagrams of the whole structure of the straight saw blade of the electric saw, which mainly comprise a straight saw blade 1, a supporting plate 2, a traction piece 6, a pressing piece 4, a step screw 9 and a movable groove 10 on the straight saw blade 1, wherein the supporting plate is used for forming the straight saw blade to longitudinally push and pull back at high speed to realize tree sawing operation, and the structure is characterized in that: a long-strip straight saw blade 1 which does not have a running saw blade and can longitudinally slide back and forth is adopted to saw trees, referring to an attached drawing 3, one side of the front part of the straight saw blade 1 is provided with saw teeth 11, the rear end and the front end of the rear part of the straight saw blade 1 are longitudinally respectively provided with 3 bellmouth screw holes 12 and two movable grooves 10 which are arranged in a triangular mode and used for fixing a traction piece 6, the rear part of the straight saw blade 1 is fixedly connected with the traction piece 6, the two movable grooves 10 at the front part are fixedly connected with a supporting plate 2 and a pressing piece 4 through step screws 9, a spring pad 5 and nuts 3, the straight saw blade 1 is clamped between the supporting plate 2 and the pressing piece 4 to form a longitudinal movable structure of the straight saw blade 1 between the supporting plate 2 and the pressing piece 4, a traction shaft 7 above the traction piece 6 is driven by the power of an electric saw or an oil saw to generate longitudinal high-speed back and-forth back reciprocating sliding of the straight saw blade, the safe sawing operation of the tree chainless saw belt running at high speed is realized;
fig. 3 is a schematic structural diagram of a straight saw blade 1, in the figure, the straight saw blade 1 is made of a woodworking saw blade material with moderate hardness of 1-1.5mm and good wear resistance, the saw teeth 11 are processed into claw-shaped tooth tips 16 which are slightly recessed inwards from the vertical line 13 and have 60-degree angles between tooth backs 15 and the vertical line 13, the tooth tips 16 are inward (rear) and tooth backs outward (front), so that the straight saw blade 1 is formed by pulling backwards to perform sawing and pushing forwards to perform retreating in the front-back pushing and pulling processes, and each tooth tip 16 is respectively and sequentially pulled leftwards and rightwards slightly to form a saw path so as to prevent the saw blade from being blocked in the sawing process;
the supporting plate 2 is made of a common iron plate, according to the attached drawing 4, two step screw holes 18 corresponding to and matched with two longitudinal movable grooves 10 of the straight saw blade 1 and a step shaft 25 of a step screw 9 in the attached drawing 7 are longitudinally processed at the front end of the supporting plate 2, at least 3 or more than 3 screw holes 17 are processed at the rear end, and the supporting plate 2 is fixed at the corresponding position of the electric saw by a screw penetrating through the screw holes 17;
the pressing sheet 4 is made of the same material with good wear resistance as the straight saw blade, and screw holes 17 which are longitudinally processed at the two ends of the pressing sheet according to the attached figure 6 and have the same distance with the two step screw holes 18 of the supporting plate and are matched with the screw thread section screws in the step screws 9;
the traction piece 6 is formed by welding and fixing an iron box consisting of a traction piece plane 19, a vertical plane 20 and left and right side surfaces 21 on a base 22 according to the attached drawing 5 to form the whole traction piece 6; a traction shaft hole 23 which penetrates through a traction shaft 7 in the attached drawing 1 is processed at the front end of a traction piece plane 19, the back of the traction shaft 7 which penetrates through the traction shaft hole 23 is fixed by electric welding, the traction shaft 23 is fixed above the traction piece plane 19, a screw hole 17 of a base 22 which forms the whole traction piece 6 is overlapped with a horn screw hole 12 on a straight saw blade 1, the traction piece 6 is fixed at the rear end of the straight saw blade 1 by a screw, and the traction shaft 7 is driven by the power of an electric saw or a chain saw to form the longitudinal high-speed back-and-forth push-and-pull sliding of the straight saw blade 1;
the step screw 9 is composed of a screw head 24, a step shaft 25 and a thread section screw 26 according to the attached figure 7, the size of the step shaft 25 is matched with the movable groove of the straight saw blade 1, the length of the step shaft is slightly longer than the overlapped thickness of the supporting plate 2 and the straight saw blade 1, the step shaft 25 penetrates through the supporting plate screw hole 18 in the attached figure 4, the sliding groove 10 of the straight saw blade 1 in the attached figure 3, and the thread section screw 26 penetrates through the screw hole 17 of the pressing plate 4 in the attached figure 6 and the spring pad 5 configured in the attached figure 1, the nut 3 is fastened, the length of the step shaft 25 is slightly longer than the thickness of the supporting plate 2 and the straight saw blade 1, and the straight saw blade 1 is clamped between the supporting plate 2 and the pressing plate 4 to form a movable structure.
The invention relates to an electric saw straight saw blade, which adopts a straight saw blade 1, a supporting plate 2, a traction piece 6, a pressing sheet 4 and a step screw 9, wherein the straight saw blade 1 is fixed with the supporting plate 2 and the pressing sheet 4 through the step screw 9 by two movable grooves 10 arranged on the straight saw blade, the straight saw blade 1 is clamped between the supporting plate 2 and the pressing sheet 4, and a step shaft 25 of the step screw 9 is higher than the movable grooves 10 to form a movable structure that the straight saw blade 1 is clamped between the supporting plate 2 and the pressing sheet 4, the traction shaft 7 of the traction piece 6 is driven by the power of an electric saw or a chain saw to generate the straight saw blade 1 to be longitudinally pushed and pulled back and forth in a linear mode at high speed to realize the safety device that the saw blade with the same sawing effect as the traditional chain saw belt does not have rotation; the saw blade safety improvement device overcomes the defect of unsafe saw cutting caused by high-speed rotation of the chain saw belt in the prior art, is suitable for safety improvement of saw blades of electric saws and chain saws, and has the advantages of simple structure, common raw materials and easy realization of processing and manufacturing. For the sake of safety, the method is worthy of popularization and application.
Claims (1)
1. The utility model provides an electronic saw vertical bar saw bit, mainly by vertical bar saw bit (1) of straight bar form with constitute vertical high-speed front and back round trip push-and-pull gliding layer board (2), draw one (6), preforming (4), step screw (9) and the activity groove (10) on vertical bar saw bit (1) constitute its characterized in that: the safe tree chain-free saw band sawing machine is characterized in that saw teeth (11) are machined on one side of the front portion of a straight saw blade (1), a traction piece (6) fixed by a screw (8) is arranged on the rear portion of the straight saw blade, two movable grooves (10) are machined on the front portion of the straight saw blade, a supporting plate (2) and a pressing sheet (4) are fixed through a step screw (9), a spring pad (5) and a nut (3) through the two movable grooves (10), the straight saw blade (1) is clamped between the supporting plate (2) and the pressing sheet (4), a longitudinal movable structure of the straight saw blade (1) between the supporting plate (2) and the pressing sheet (4) is formed, a traction shaft (7) of the traction piece (6) is driven through power of an electric saw, longitudinal high-speed back-and-forth push sliding of the straight saw blade (1) is generated, and the safe tree chain-free saw;
the straight saw blade (1) is made of a woodworking saw blade material with moderate hardness of 1-1.5mm and good wear resistance, sawteeth (11) are processed into claw-shaped tooth tips (16) which are slightly recessed inwards, and each tooth tip (16) is respectively and sequentially pulled leftwards and rightwards to form a saw path;
the supporting plate (2) is made of a common iron plate, two step screw holes (18) which correspond to and are matched with two longitudinal movable grooves (10) of the straight saw blade (1) and a step shaft (25) of a step screw (9) are longitudinally processed at the front end of the supporting plate (2), and more than 3 screw holes (17) which are fixed with the electric saw are processed at the rear end of the supporting plate (2);
the pressing sheet (4) is made of a material with good wear resistance and the same as that of the straight saw blade, and screw holes (17) which are equidistant to the two step screw holes (18) of the supporting plate and are matched with the screw thread section screws in the step screws (9) are longitudinally processed at the two ends of the pressing sheet (4);
the traction piece (6) is formed by welding and fixing an iron box consisting of a traction piece plane (19), a vertical plane (20) and left and right side surfaces (21) on a base (22) to form a whole, a screw hole (17) corresponding to a horn screw hole (12) in the rear end of the straight saw blade (1) is processed on the base (22), and the traction piece (6) is fixed at the rear end of the straight saw blade (1) through a screw (8); a traction shaft (7) fixed by electric welding is arranged above the front end of the traction piece plane (19);
step screw (9), by screw head (24), step axle (25) and thread section screw (26) are constituteed, the size of step axle (25) is identical with activity groove (10) of bar saw bit (1), the length of step axle is in order to grow out layer board (2) and bar saw bit (1) superimposed thickness a little, pass step screw hole (18) by step axle (25), activity groove (10) of bar saw bit (1), and thread section screw (26) pass screw hole (17) and the spring pad (5) of configuration of preforming (4), and fasten through nut (3), constitute bar saw bit (1) at the movable structure of layer board (2) and preforming (4) centre.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710896610.8A CN107718171B (en) | 2017-09-13 | 2017-09-13 | Straight saw blade of electric saw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710896610.8A CN107718171B (en) | 2017-09-13 | 2017-09-13 | Straight saw blade of electric saw |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107718171A CN107718171A (en) | 2018-02-23 |
| CN107718171B true CN107718171B (en) | 2021-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710896610.8A Active CN107718171B (en) | 2017-09-13 | 2017-09-13 | Straight saw blade of electric saw |
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| CN (1) | CN107718171B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3729822A (en) * | 1972-03-09 | 1973-05-01 | Singer Co | Sabre saws with lockable swivel saw bars |
| US4280276A (en) * | 1980-01-18 | 1981-07-28 | The Toro Company | Reciprocating cutter |
| JPH07322757A (en) * | 1994-05-31 | 1995-12-12 | Kioritz Corp | Pruning device |
| CN201419419Y (en) * | 2007-12-11 | 2010-03-10 | 布莱克和戴克公司 | Fretsaw saw blade |
| CN201728432U (en) * | 2010-07-23 | 2011-02-02 | 张亚雄 | Reciprocating hand-held electric saw |
| CN204976868U (en) * | 2015-09-22 | 2016-01-20 | 侯巧生 | Electric reciprocating saw |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3901117A (en) * | 1970-11-09 | 1975-08-26 | Simon J Hoffman | Saber saw and blade therefor |
| GB2393934A (en) * | 2002-10-07 | 2004-04-14 | Black & Decker Inc | A reciprocating saw with two eccentrics |
| CN201123254Y (en) * | 2007-11-04 | 2008-10-01 | 占行波 | DC electric tea plucker |
-
2017
- 2017-09-13 CN CN201710896610.8A patent/CN107718171B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3729822A (en) * | 1972-03-09 | 1973-05-01 | Singer Co | Sabre saws with lockable swivel saw bars |
| US4280276A (en) * | 1980-01-18 | 1981-07-28 | The Toro Company | Reciprocating cutter |
| JPH07322757A (en) * | 1994-05-31 | 1995-12-12 | Kioritz Corp | Pruning device |
| CN201419419Y (en) * | 2007-12-11 | 2010-03-10 | 布莱克和戴克公司 | Fretsaw saw blade |
| CN201728432U (en) * | 2010-07-23 | 2011-02-02 | 张亚雄 | Reciprocating hand-held electric saw |
| CN204976868U (en) * | 2015-09-22 | 2016-01-20 | 侯巧生 | Electric reciprocating saw |
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| Publication number | Publication date |
|---|---|
| CN107718171A (en) | 2018-02-23 |
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Effective date of registration: 20210419 Address after: 212300 xinjiacheng Industrial Park, Yaoxiang, danbei Town, Danyang City, Zhenjiang City, Jiangsu Province Applicant after: Jiangsu nordsong Tools Co.,Ltd. Address before: A Xinhong prosperous road building Huli District of Xiamen city in Fujian province 361006 room 1101 Applicant before: Occupied traveling wave |
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