CN203471875U - Holdback device for wood sawing machine - Google Patents
Holdback device for wood sawing machine Download PDFInfo
- Publication number
- CN203471875U CN203471875U CN201320573629.6U CN201320573629U CN203471875U CN 203471875 U CN203471875 U CN 203471875U CN 201320573629 U CN201320573629 U CN 201320573629U CN 203471875 U CN203471875 U CN 203471875U
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- Prior art keywords
- return
- holdback
- timber
- claw
- rotating shaft
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- Expired - Fee Related
Links
- 239000002023 wood Substances 0.000 title claims abstract description 20
- 210000000078 claw Anatomy 0.000 claims abstract description 33
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 8
- 230000000694 effects Effects 0.000 description 13
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 208000014674 injury Diseases 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 208000033999 Device damage Diseases 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
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Abstract
The utility model provides a holdback device for a wood sawing machine, wherein the holdback device is reasonable in structure, safe and reliable to use, and capable of effectively preventing wood from moving backward. The holdback device comprises a holdback seat body and a holdback claw, wherein the holdback seat body is arranged above a wood feeding mechanism on a machine case of the wood sawing machine, and the holdback claw can swing up and down through a rotating shaft and is arranged on the holdback seat body. The lower surface of the holdback claw is an arc-shaped surface, wherein holdback saw teeth are evenly distributed on the arc-shaped surface, and the arc center of the arc-shaped surface deviates from the axis of the rotating shaft.
Description
Technical field
The utility model relates to a kind of wood saw machine, particularly a kind of backstop of wood saw machine.
Background technology
In timber processing industry, be widely used the means of woodworking longitudinal sawing machine tool of the series such as straight-line trimming Vertical sawing machine, automatic single Vertical sawing machine.Sawing direction while working due to means of woodworking longitudinal sawing machine saw blade, advance the direction of feed of timber contrary, and saw blade tangential velocity is often up to 75 meter per seconds with operator.Therefore, in actual timber sawing process, inevitably occur that sawing finished product timber, particularly seamed edge material are by reverse attack, and directive operator usually causes the even serious accident such as casualties of device damage.
In order to reduce the generation of above-mentioned security incident, there is the woodworking sawing machine with stop device in existing market.As Fig. 1, existing wood saw owner to comprise cabinet 1 ' and cross timber input mechanism 2 on cabinet 1 ' workbench ' with timber output mechanism 3 ', described cabinet 1 ' inside timber input mechanism 2 ' and timber output mechanism 3 ' between be interval with rotating shaft 4 ' with lower rotary shaft 5 ', on described, saw blades groups 6' is housed respectively on lower rotary shaft, on described cabinet, be positioned at input mechanism 2 ' top be equipped with actively and can limit the backstop that timber returns away, described backstop comprise be located at the non-return pedestal 71 of cabinet input mechanism 2 ' top ' and by rotating shaft, can swing up and down be located at non-return pedestal 71 ' on non-return claw 72 ', when timber is backward during feeding, non-return claw is lifted, when timber is subject to the reverse attack of saw blade and during counter motion, because non-return claw is only to swing within the scope of certain angle along rotating shaft axle center, thereby stoping timber reverse movement forward, stop device plays certain safeguard protection effect, above-mentioned known non-return claw is generally flat sided straight plate, its cross section from upper by under reduce gradually bottom and form an arris edge that can resist timber, the backward-acting of this non-return claw can not be done relative adjustment with the size of timber, and when timber thickness or diameter are when larger, non-return angle a ' between non-return claw and timber will be very little, if angle a ' approaches 30, just there will be while spending and lose non-return effect or the bad phenomenon of non-return effect, can not effectively stop the reverse of timber to be launched, and when timber sawing surface imperfection, the stop device that is positioned at timber top is often surprisingly lifted, and does not have non-return effect, therefore, the non-return effect of this structure is very unreliable, can not stop the generation of the personal injury accident that the reverse ejection of timber causes completely.
Summary of the invention
For the problems referred to above, the utility model proposes a kind of rational in infrastructure, safe and reliable, backstop that can effectively stop the wood saw machine of timber reverse movement.
For solving this technical problem, the utility model is taked following scheme: the backstop of wood saw machine, comprise the non-return pedestal of the top of being located at the above timber input mechanism of wood saw machine enclosure and by rotating shaft, can swing up and down be located at the non-return claw on non-return pedestal, the lower surface of described non-return claw is arcwall face, on described arcwall face, be evenly equipped with non-return sawtooth, rotating shaft axle center is departed from the arc center of circle of described arcwall face.
Further improved: between described rotating shaft and non-return claw, to be provided with torsion spring.
By adopting aforementioned techniques scheme, the beneficial effects of the utility model are: the backstop of this Practical wood saw changes flat sided straight plate non-return claw into arc non-return claw, the arc lower surface of arc non-return claw is evenly equipped with non-return sawtooth, and rotating shaft axle center is departed from the arc center of circle of arcwall face, each non-return sawtooth can corresponding timber size do corresponding resistance, to increase the probability of blocking timber, thereby effectively stop timber oppositely to launch, arc non-return claw arcuate structure is compared with flat sided straight plate non-return claw, rotating shaft axle center is departed from the arc center of circle of arcwall face, thereby can effectively increase the number of degrees of the non-return angle a ' between non-return claw and timber, effectively avoid because of the too small phenomenon that loses non-return effect of the angle a ' number of degrees between non-return claw and timber, can effectively stop the reverse of timber to be launched, and when timber sawing surface imperfection, be positioned at the shape resistance that a plurality of sawtooth of the stop device of timber top just can corresponding surface imperfection, even if a sawtooth is lifted the effect that the sawtooth also having below can play resistance, there will not be stop device surprisingly to be lifted, and do not have the defect of non-return effect, therefore, the non-return effect of this structure is very reliable, can stop the generation of the personal injury accident that the reverse ejection of timber causes completely.
Accompanying drawing explanation
Fig. 1 is the structural representation of prior art wood saw machine.
Fig. 2 the utility model example structure schematic diagram.
Fig. 3 the utility model embodiment tooth is against the structural representation of pawl.
The specific embodiment
Now with specific embodiment, the utility model is further illustrated by reference to the accompanying drawings.
With reference to figure 2 and Fig. 3, the present embodiment discloses a kind of backstop of wood saw machine, comprise the non-return pedestal of the top of being located at the above timber input mechanism 1 of wood saw machine enclosure and by rotating shaft 4, can swing up and down be located at the non-return claw 2 on non-return pedestal, the lower surface of described non-return claw 2 is arcwall face, on described arcwall face, be evenly equipped with non-return sawtooth 3, as shown in Figure 3, rotating shaft axle center is departed from the arc center of circle of described arcwall face.
Between described rotating shaft 4 and non-return claw 2, be provided with torsion spring 5.Non-return claw after torsion spring makes to be lifted by timber has torsion and backward downwards, to resist on timber, further prevents from that timber is reverse to launch.
The backstop of this Practical wood saw changes flat sided straight plate non-return claw into arc non-return claw, the arc lower surface of arc non-return claw is evenly equipped with non-return sawtooth, and rotating shaft axle center is departed from the arc center of circle of arcwall face, each non-return sawtooth can corresponding timber size do corresponding resistance, to increase the probability of blocking timber, thereby effectively stop timber oppositely to launch, arc non-return claw arcuate structure is compared with flat sided straight plate non-return claw, rotating shaft axle center is departed from the arc center of circle of arcwall face, thereby can effectively increase the number of degrees of the non-return angle a ' between non-return claw and timber, effectively avoid because of the too small phenomenon that loses non-return effect of the angle a ' number of degrees between non-return claw and timber, can effectively stop the reverse of timber to be launched, and when timber sawing surface imperfection, be positioned at the shape resistance that a plurality of sawtooth of the stop device of timber top just can corresponding surface imperfection, even if a sawtooth is lifted the effect that the sawtooth also having below can play resistance, there will not be stop device surprisingly to be lifted, and do not have the defect of non-return effect, therefore, the non-return effect of this structure is very reliable, can stop the generation of the personal injury accident that the reverse ejection of timber causes completely.
Above record, only, for utilizing the embodiment of this origination techniques content, modification, variation that any those skilled in the art use this creation to do, all belong to the scope of the claims that this creation is advocated, and be not limited to those disclosed embodiments.
Claims (2)
1. the backstop of wood saw machine, comprise the non-return pedestal of the top of being located at the above timber input mechanism of wood saw machine enclosure and by rotating shaft, can swing up and down be located at the non-return claw on non-return pedestal, it is characterized in that: the lower surface of described non-return claw is arcwall face, on described arcwall face, be evenly equipped with non-return sawtooth, rotating shaft axle center is departed from the arc center of circle of described arcwall face.
2. the backstop of wood saw machine according to claim 1, is characterized in that: between described rotating shaft and non-return claw, be provided with torsion spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320573629.6U CN203471875U (en) | 2013-09-16 | 2013-09-16 | Holdback device for wood sawing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320573629.6U CN203471875U (en) | 2013-09-16 | 2013-09-16 | Holdback device for wood sawing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203471875U true CN203471875U (en) | 2014-03-12 |
Family
ID=50220280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320573629.6U Expired - Fee Related CN203471875U (en) | 2013-09-16 | 2013-09-16 | Holdback device for wood sawing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203471875U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103507117A (en) * | 2013-09-16 | 2014-01-15 | 晋江市神工机械制造有限公司 | Backstop device of wood sawing machine |
| CN104400606A (en) * | 2014-10-31 | 2015-03-11 | 合肥鼎雅家具有限责任公司 | Fixing structure for movement of single-blade cutting saw |
-
2013
- 2013-09-16 CN CN201320573629.6U patent/CN203471875U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103507117A (en) * | 2013-09-16 | 2014-01-15 | 晋江市神工机械制造有限公司 | Backstop device of wood sawing machine |
| CN104400606A (en) * | 2014-10-31 | 2015-03-11 | 合肥鼎雅家具有限责任公司 | Fixing structure for movement of single-blade cutting saw |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140312 Termination date: 20140916 |
|
| EXPY | Termination of patent right or utility model |