CN113370317A - Saw frame lifting device - Google Patents
Saw frame lifting device Download PDFInfo
- Publication number
- CN113370317A CN113370317A CN202110600315.XA CN202110600315A CN113370317A CN 113370317 A CN113370317 A CN 113370317A CN 202110600315 A CN202110600315 A CN 202110600315A CN 113370317 A CN113370317 A CN 113370317A
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- saw
- lifting
- saw blade
- saw frame
- frame
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- 238000013016 damping Methods 0.000 claims abstract description 38
- 238000000034 method Methods 0.000 claims abstract description 22
- 238000002347 injection Methods 0.000 claims description 30
- 239000007924 injection Substances 0.000 claims description 30
- 238000010521 absorption reaction Methods 0.000 claims description 7
- 238000003860 storage Methods 0.000 claims description 4
- 230000003028 elevating effect Effects 0.000 claims description 3
- 238000001816 cooling Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 230000006641 stabilisation Effects 0.000 abstract description 3
- 238000011105 stabilization Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000006835 compression Effects 0.000 description 6
- 238000007906 compression Methods 0.000 description 6
- 238000005520 cutting process Methods 0.000 description 6
- 238000010276 construction Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Classifications
-
- 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
- B27B13/00—Band or strap sawing machines; Components or equipment therefor
- B27B13/02—Frames; Pillars
-
- 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
- B27B13/00—Band or strap sawing machines; Components or equipment therefor
- B27B13/16—Accessories, e.g. for cooling the saw blade
Abstract
The invention discloses a saw frame lifting device which comprises a bearing upright post, wherein a lifting saw frame is arranged on the bearing upright post in a sliding mode, a saw blade is arranged on the lifting saw frame, a combined type lifting vibration damping mechanism is arranged on the lifting saw frame, the combined type vibration damping mechanism comprises vibration damping saw clamps arranged at two ends of the saw blade, and the vibration damping saw clamps can actively damp the saw blade in the moving process of the lifting saw frame. Be used for utilizing damping saw card to carry out the damping to the saw blade of feed in-process when the lift sash removes through combined type lift damping mechanism, guarantee that the vibration of saw blade feed in-process effectively weakens, optimize and saw cut efficiency and incision quality, the jet air current can be with the heat of the saw blade friction production in the course of the work from the saw blade surface fast, play the cooling saw blade, improve saw blade life's effect, can reduce the deformation influence that the heat produced the saw blade simultaneously, improve the job stabilization nature of saw blade.
Description
Technical Field
The invention relates to the technical field of sawing machine manufacturing, in particular to a saw frame lifting device.
Background
The band saw machine is a sawing machine which takes a ring-shaped endless band saw blade as a sawing tool and winds on two saw wheels to do unidirectional continuous linear motion to saw and cut wood. The saw frame of the band saw machine comprises a driving saw wheel and a driven saw wheel, a thin steel band with saw teeth on one side, namely a band saw blade, is hung on the pair of saw wheels, and the band saw blade rotates along with the saw wheels when the saw wheels rotate, so that the saw teeth on the band saw blade continuously and rapidly move, and wood is sawed by the band saw blade when contacting with the saw teeth. The band saw blade is fed in through the lifting of the saw frame, but the saw cutting process is often touched with unstable lifting, the fluctuation of the lifting speed is large, the band saw blade transversely vibrates, and the hidden troubles of tooth pulling and material cutting deflection of the band saw blade are generated.
For example, chinese patent document (published: 2016, 09, 14, No. CN 205571582U) discloses a "position adjustment structure for a lift main cylinder of a band sawing machine", which includes a base of the band sawing machine, a lift main cylinder, a main column, an auxiliary column, and a saw frame disposed on the base, a driving saw wheel and a driven saw wheel disposed on the saw frame, the lift main cylinder driving the saw frame to move up and down along the main column and the auxiliary column, an axis of the lift main cylinder coinciding with a front-rear, left-right center of gravity axis of the saw frame, the lift main cylinder being connected with the saw frame through a cylinder mounting plate, and an output shaft of the lift main cylinder being fixed on the cylinder mounting plate through a lock nut.
Although the technical scheme eliminates the unbalance loading load of the saw frame by adjusting the axes of the main oil cylinder and the saw frame, the problem that saw marks do not meet the processing requirements due to overlarge vibration generated in the feeding process of the band saw blade is difficult to solve.
Disclosure of Invention
Aiming at the problem that the saw marks do not meet the processing requirements due to overlarge vibration of the saw blade along with the feed process of the saw frame in the background technology, the invention provides the saw frame lifting device.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a sash elevating gear, is including bearing the stand, it is provided with the lift sash to slide on the stand to bear, be provided with the saw blade on the lift sash, be provided with combined type lift damping mechanism on the lift sash, combined type damping mechanism is including setting up in the damping saw card at saw blade both ends, the damping saw card can be at the removal in-process of lift sash to the initiative damping of saw blade. The bearing capacity is mainly a supporting main body of the saw frame and is used as a base to ensure that the lifting saw frame can smoothly slide up and down. The combined type lifting vibration damping mechanism is used for damping the vibration of a saw blade in the feed process by using the vibration damping saw clamp when the lifting saw frame moves, can control the vibration generated in the feed sawing process of the saw blade, and can inhibit the swing of the saw blade to ensure the feed stability of the band sawing machine.
Preferably, the combined type lifting vibration damping mechanism comprises an auxiliary stand column, the combined type lifting vibration damping mechanism comprises a screw rod lifting mechanism arranged in the auxiliary stand column, the screw rod lifting mechanism can drive the lifting saw frame to move along the vertical direction, the screw rod lifting mechanism comprises a lifting screw rod and a connecting block arranged on the lifting screw rod, and the connecting block is connected with the lifting saw frame. The auxiliary stand column is used for installing a screw rod lifting mechanism, the lifting saw frame performs lifting motion between the auxiliary stand column and the bearing stand column, and a second bearing stand column is arranged at one end, far away from the auxiliary stand column, of the lifting saw frame and used for guaranteeing that the lifting saw frame keeps horizontal in the lifting moving process. The screw rod lifting mechanism further comprises a main oil cylinder arranged between the auxiliary stand column and the bearing stand column, and the main oil cylinder is arranged at the bottom of the lifting saw frame and used for being matched with the lifting screw rod to drive the lifting saw frame to move up and down. And an auxiliary oil cylinder is arranged on the side of the second bearing upright post, when the lifting saw frame ascends, the main oil cylinder and the auxiliary oil cylinder are synchronously ejected, and the connecting block on one side of the lifting saw frame stably slides along the lifting screw rod, so that the lifting saw frame is ensured to keep horizontal lifting motion.
Furthermore, a control module is arranged on the screw rod lifting mechanism and comprises a speed sensor arranged on the connecting block. The control module receives speed information fed back by the speed sensor and is used for judging the action state of the lifting saw frame, and after the speed sensor acquires speed parameters, the vibration reduction saw card of the combined vibration reduction mechanism starts active vibration reduction to reduce vibration generated by the feed action of the saw blade when the lifting saw frame moves.
Preferably, the screw rod lifting mechanism is further provided with a servo motor, and the servo motor can drive the saw blade to reciprocate. The servo motor is used for being matched with the saw wheels arranged on the two sides of the saw blade to ensure that the saw blade performs saw cutting actions when the band saw works, and the servo motor controls the saw wheels to drive the saw blade to perform stable and quick reciprocating translation.
Preferably, the vibration reduction saw clamp comprises a first air injection part and a second air injection part which are oppositely arranged on the front side and the rear side of the saw blade, an air pump assembly is connected to the vibration reduction saw clamp and comprises an air storage tank communicated with the first air injection part and the second air injection part.
Further, the air pump assembly comprises an air compression device, and a relay switch electrically connected to the control module is arranged on the air compression device.
When the control module receives the information of the speed sensor, the relay switch is controlled to be switched, so that the air compression device is started, the first air injection part and the second air injection part are used for carrying out air injection on the saw blade, a stable air pressure layer is formed on two sides of the saw blade through stable air flow, and the saw blade synchronously carries out saw cutting feed at the starting moment of the air pump assembly; when the saw blade produced vibration at the feed in-process, when the saw blade was to the polarization of first jet-propelled portion or second jet-propelled portion, the air current correspondingly increased to the pressure of saw blade lateral part, and the skew normal position distance of saw blade vibration is big promptly, and air pressure is big more, and the amplitude that the saw blade can be guaranteed to this kind of initiative damping that sprays the air current effectively shortens, and the saw blade feed is more steady, saw cuts the more smooth-going smoothness of vestige. The saw blade surface that can be taken away from the heat that the saw blade friction in the course of the work produced by the jet air current very fast, plays the cooling saw blade, improves saw blade life's effect, can reduce the deformation influence that the heat produced the saw blade simultaneously, improves the job stabilization nature of saw blade.
Preferably, the first air injection part is provided with a plurality of air injection ports perpendicular to the saw blade, the outer edge of each air injection port is provided with a bowl-shaped noise reduction body, and a plurality of sound absorption holes are formed in the bowl-shaped noise reduction body. The bowl-shaped noise reduction body cage is arranged outside the air jet, and when the first air jet part and the second air jet part are started to jet for vibration reduction, high-speed friction is generated between air flow and a saw blade in the working process, so that noise is generated to influence the construction environment. The bowl-shaped noise reduction body is buckled and arranged outside the air jet, and noise generated by friction of the saw blade by jet air flow in the air jet is absorbed by the aid of the sound absorption holes, so that working noise of the combined type lifting vibration reduction mechanism is effectively reduced.
Therefore, the invention has the following beneficial effects: (1) the combined type lifting vibration reduction mechanism is used for reducing vibration of the saw blade in the feeding process by using the vibration reduction saw clamp while the lifting saw frame moves, so that the vibration of the saw blade in the feeding process is effectively weakened, and the sawing efficiency and the incision quality are optimized; (2) the auxiliary oil cylinder is arranged on the side of the second bearing upright post, when the lifting saw frame ascends, the main oil cylinder and the auxiliary oil cylinder are synchronously ejected out, and the connecting block on one side of the lifting saw frame stably slides along the lifting screw rod to ensure that the lifting saw frame keeps horizontal lifting motion; (3) the control module receives speed information fed back by the speed sensor and is used for judging the action state of the lifting saw frame, and after the speed sensor acquires a speed parameter, the vibration reduction saw card of the combined vibration reduction mechanism starts active vibration reduction to reduce vibration generated by the feed action of the saw blade when the lifting saw frame moves; (4) the jet air flow can rapidly bring heat generated by saw blade friction in the working process away from the surface of the saw blade, so that the effects of cooling the saw blade and prolonging the service life of the saw blade are achieved, meanwhile, the deformation influence of the heat on the saw blade can be reduced, and the working stability of the saw blade is improved; (5) the bowl-shaped noise reduction body is buckled and arranged outside the air jet, and the noise generated by the friction of the saw blade by the jet air flow in the air jet is absorbed by the aid of the sound absorption holes, so that the working noise of the combined type lifting vibration reduction mechanism is effectively reduced.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a rear view of the invention of fig. 1.
Fig. 3 is a cross-sectional view of the vibration dampening saw blade of fig. 2.
Fig. 4 is a front view of the first gas spraying part in fig. 3.
In the figure: 1. the device comprises a bearing upright post, 11, an auxiliary upright post, 12, a second bearing upright post, 121, a slideway, 2, a lifting saw frame, 21, a saw blade, 3, a composite lifting vibration damping mechanism, 31, a main oil cylinder, 32, an auxiliary oil cylinder, 4, a vibration damping saw clamp, 41, a first air injection part, 411, an air injection port, 42, a second air injection part, 5, a screw rod lifting mechanism, 51, a connecting block, 52, a lifting screw rod, 53, a servo motor, 6, a control module, 7, a bowl-shaped noise reduction body, 71, a sound absorption hole, 8 and an air storage tank.
Detailed Description
The invention is further described with reference to the following detailed description and accompanying drawings. Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "center", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Example 1
As shown in fig. 1 and 2, a saw frame lifting device comprises a bearing upright post 1, wherein a lifting saw frame 2 is arranged on the bearing upright post in a sliding manner, a saw blade 21 is arranged on the lifting saw frame, a combined type lifting vibration damping mechanism 3 is arranged on the lifting saw frame, the combined type vibration damping mechanism comprises vibration damping saw clamps 4 arranged at two ends of the saw blade, and the vibration damping saw clamps can actively damp the saw blade in the moving process of the lifting saw frame. The combined type lifting vibration damping mechanism comprises an auxiliary stand column 11, the combined type lifting vibration damping mechanism comprises a screw rod lifting mechanism 5 arranged in the auxiliary stand column, the screw rod lifting mechanism can drive a lifting saw frame to move along the vertical direction, the screw rod lifting mechanism comprises a lifting screw rod 52 and a connecting block 51 arranged on the lifting screw rod, and the connecting block is connected with the lifting saw frame.
The bearing capacity is mainly a supporting main body of the saw frame and is used as a base to ensure that the lifting saw frame can smoothly slide up and down. The combined type lifting vibration damping mechanism is used for damping the vibration of a saw blade in the feed process by using the vibration damping saw clamp when the lifting saw frame moves, can control the vibration generated in the feed sawing process of the saw blade, and can inhibit the swing of the saw blade to ensure the feed stability of the band sawing machine. The auxiliary column is used for installing a screw rod lifting mechanism, the lifting saw frame performs lifting motion between the auxiliary column and the bearing column, and a second bearing column 12 is arranged at one end, far away from the auxiliary column, of the lifting saw frame and used for ensuring that the lifting saw frame keeps horizontal in the lifting moving process. The screw rod lifting mechanism further comprises a main oil cylinder 31 arranged between the auxiliary stand column and the bearing stand column, and the main oil cylinder is arranged at the bottom of the lifting saw frame and used for being matched with the lifting screw rod to drive the lifting saw frame to move up and down. And an auxiliary oil cylinder 32 is arranged on the side of the second bearing upright column, when the lifting saw frame ascends, the main oil cylinder and the auxiliary oil cylinder are synchronously ejected, and the connecting block on one side of the lifting saw frame stably slides along the lifting screw rod, so that the lifting saw frame is ensured to keep horizontal lifting motion. In this embodiment, the second bearing upright is provided with a slide rail 121, so that the lifting saw frame can smoothly slide on the second bearing upright.
And a control module 6 is arranged on the screw rod lifting mechanism and comprises a speed sensor arranged on a connecting block. Still be provided with servo motor 53 on the lead screw elevating system, servo motor can drive saw blade reciprocating motion.
The control module receives speed information fed back by the speed sensor and is used for judging the action state of the lifting saw frame, and after the speed sensor acquires speed parameters, the vibration reduction saw card of the combined vibration reduction mechanism starts active vibration reduction to reduce vibration generated by the feed action of the saw blade when the lifting saw frame moves. The servo motor is used for being matched with the saw wheels arranged on the two sides of the saw blade to ensure that the saw blade performs saw cutting actions when the band saw works, and the servo motor controls the saw wheels to drive the saw blade to perform stable and quick reciprocating translation.
As shown in fig. 3 and 4, the vibration reduction saw clamp includes a first air injection part 41 and a second air injection part 42 which are oppositely disposed at the front side and the rear side of the saw blade, an air pump assembly is connected to the vibration reduction saw clamp, and the air pump assembly includes an air storage tank 8 communicated with the first air injection part and the second air injection part. The air pump assembly comprises an air compression device, and a relay switch electrically connected to the control module is arranged on the air compression device. The first air injection part is provided with a plurality of air injection ports 411 perpendicular to the saw blade, the outer edge of each air injection port is provided with a bowl-shaped noise reduction body 7, and a plurality of sound absorption holes 7 are formed in the bowl-shaped noise reduction body.
When the control module receives the information of the speed sensor, the relay switch is controlled to be switched, so that the air compression device is started, the first air injection part and the second air injection part are used for carrying out air injection on the saw blade, a stable air pressure layer is formed on two sides of the saw blade through stable air flow, and the saw blade synchronously carries out saw cutting feed at the starting moment of the air pump assembly; when the saw blade produced vibration at the feed in-process, when the saw blade was to the polarization of first jet-propelled portion or second jet-propelled portion, the air current correspondingly increased to the pressure of saw blade lateral part, and the skew normal position distance of saw blade vibration is big promptly, and air pressure is big more, and the amplitude that the saw blade can be guaranteed to this kind of initiative damping that sprays the air current effectively shortens, and the saw blade feed is more steady, saw cuts the more smooth-going smoothness of vestige. The saw blade surface that can be taken away from the heat that the saw blade friction in the course of the work produced by the jet air current very fast, plays the cooling saw blade, improves saw blade life's effect, can reduce the deformation influence that the heat produced the saw blade simultaneously, improves the job stabilization nature of saw blade. The bowl-shaped noise reduction body cage is arranged outside the air jet, and when the first air jet part and the second air jet part are started to jet for vibration reduction, high-speed friction is generated between air flow and a saw blade in the working process, so that noise is generated to influence the construction environment. The bowl-shaped noise reduction body is buckled and arranged outside the air jet, and noise generated by friction of the saw blade by jet air flow in the air jet is absorbed by the aid of the sound absorption holes, so that working noise of the combined type lifting vibration reduction mechanism is effectively reduced.
In the embodiment, a saw wheel for controlling the reciprocating motion of a saw blade is arranged on a lifting saw frame of the band saw machine and is driven by a servo motor; the lifting of the combined type lifting vibration reduction mechanism realizes the feed action of the saw blade. When the sawing operation is started, the material is fixed below the lifting saw frame according to the construction requirements, the servo motor is started to test the saw, whether the tension, the angle and other parameters of the saw blade meet the sawing requirements or not is judged, and the sawing operation is started after the saw blade is qualified. Make the lift sash move down the feed along the lift lead screw level and smooth through the synchronization action of control master cylinder and auxiliary cylinder, along with the connecting block begins to remove at the lift lead screw, after control module detected speed sensor's feedback information, control module control relay switch action, the pneumatics device stabilizes the gas flow direction saw blade both sides through the output of first jet-propelled portion and second jet-propelled portion, weaken the horizontal amplitude of saw blade at the saw blade feed in-process, cool off the saw blade simultaneously, the bowl form that the jet-propelled outer fringe set up falls the body of making an uproar and realizes inhaling the sound in step and fall the noise. In this embodiment, the bowl-shaped noise reduction body is made of a sound insulation felt and rubber, a polymer material and the like as main raw materials, and has good wide-frequency-band sound insulation performance and high damping performance.
In addition to the above embodiments, the technical features of the present invention can be re-selected and combined to form new embodiments within the scope of the claims and the specification of the present invention, which are all realized by those skilled in the art without creative efforts, and thus, the embodiments of the present invention which are not described in detail should be regarded as the specific embodiments of the present invention and are within the protection scope of the present invention.
Claims (7)
1. The utility model provides a sash elevating gear, is including bearing the stand, it is provided with the lift sash to slide on the stand to bear, be provided with the saw blade on the lift sash, its characterized in that, be provided with combined type lift damping mechanism on the lift sash, combined type damping mechanism is including setting up in the damping saw card at saw blade both ends, damping saw card can be at the removal in-process of lift sash to the initiative damping of saw blade.
2. The saw frame lifting device according to claim 1, wherein the combined type lifting and vibration damping mechanism comprises an auxiliary column, the combined type lifting and vibration damping mechanism comprises a screw rod lifting mechanism disposed in the auxiliary column, the screw rod lifting mechanism can drive the lifting saw frame to move in a vertical direction, the screw rod lifting mechanism comprises a lifting screw rod and a connecting block disposed on the lifting screw rod, and the connecting block is connected with the lifting saw frame.
3. A saw frame lifting device according to claim 2, wherein the screw lifting mechanism is provided with a control module, and the control module comprises a speed sensor mounted on the connecting block.
4. A saw frame lifting device according to claim 2, wherein the screw lifting mechanism is further provided with a servo motor, and the servo motor can drive the saw blade to reciprocate.
5. The saw frame lifting device according to any one of claims 1 to 4, wherein the vibration reduction saw clamp comprises a first air injection part and a second air injection part which are oppositely arranged at the front side and the rear side of the saw blade, an air pump assembly is connected to the vibration reduction saw clamp, and the air pump assembly comprises an air storage tank communicated with the first air injection part and the second air injection part.
6. A saw frame lifting device according to claim 5, wherein said air pump assembly comprises an air compressor, said air compressor being provided with a relay switch electrically connected to the control module.
7. The saw frame lifting device as claimed in claim 5, wherein the first air injection part is provided with a plurality of air injection ports perpendicular to the saw blade, the outer edge of each air injection port is provided with a bowl-shaped noise reduction body, and a plurality of sound absorption holes are formed in the bowl-shaped noise reduction body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110600315.XA CN113370317A (en) | 2021-05-31 | 2021-05-31 | Saw frame lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110600315.XA CN113370317A (en) | 2021-05-31 | 2021-05-31 | Saw frame lifting device |
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| CN113370317A true CN113370317A (en) | 2021-09-10 |
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| CN202110600315.XA Pending CN113370317A (en) | 2021-05-31 | 2021-05-31 | Saw frame lifting device |
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Citations (9)
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|---|---|---|---|---|
| CN2066799U (en) * | 1990-04-19 | 1990-12-05 | 田原 | Low-noise electric saw |
| JP2000334653A (en) * | 1999-05-28 | 2000-12-05 | Hitachi Cable Ltd | Band saw type cutting method and device |
| CN2570006Y (en) * | 2002-09-26 | 2003-09-03 | 秦建国 | Eccentric cycloid type band saw truncating machine tool |
| CN102241028A (en) * | 2011-07-05 | 2011-11-16 | 浙江世康木业有限公司 | Low-noise multi-knife-head cutting bench saw |
| CN103447617A (en) * | 2013-07-23 | 2013-12-18 | 杭州电子科技大学 | Active inhibition device and method for band-saw blade vibration on the basis of master vibration modal prediction |
| CN205364133U (en) * | 2015-10-29 | 2016-07-06 | 重庆市永川区植成家俱厂 | Woodworking circular saw is sound -proof housing for bed |
| CN106457427A (en) * | 2014-06-19 | 2017-02-22 | 株式会社天田控股 | Vibration-limiting method and vibration-limiting device for band saw blade of band saw |
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-
2021
- 2021-05-31 CN CN202110600315.XA patent/CN113370317A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2066799U (en) * | 1990-04-19 | 1990-12-05 | 田原 | Low-noise electric saw |
| JP2000334653A (en) * | 1999-05-28 | 2000-12-05 | Hitachi Cable Ltd | Band saw type cutting method and device |
| CN2570006Y (en) * | 2002-09-26 | 2003-09-03 | 秦建国 | Eccentric cycloid type band saw truncating machine tool |
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Application publication date: 20210910 |