CN201702819U - Transverse rapid tensioning structure and woodworking belt saw thereof - Google Patents
Transverse rapid tensioning structure and woodworking belt saw thereof Download PDFInfo
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- CN201702819U CN201702819U CN2010201830666U CN201020183066U CN201702819U CN 201702819 U CN201702819 U CN 201702819U CN 2010201830666 U CN2010201830666 U CN 2010201830666U CN 201020183066 U CN201020183066 U CN 201020183066U CN 201702819 U CN201702819 U CN 201702819U
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Abstract
The utility model provides a transverse rapid tensioning structure mainly comprising a tensioning frame, a tensioning nut, a lower tensioning lifting block, an upper tensioning lifting block, a rotary handle, a first thrust bearing, a second thrust bearing, a tensioning screw rod and a supporting shaft. The utility model also provides a woodworking belt saw for realizing the transverse rapid tensioning of a saw blade, comprising the transverse rapid tensioning structure, a large hand wheel, a tensioning spring, a tensioning slide block, an upper wheel shaft and an upper belt wheel. After the rotary handle is swung, the upper tensioning lifting block pushes the tensioning frame to move upwards so that an upper saw wheel rapidly lifts, and then the rapid tensioning is realized; after tensioning, the contact surface of the lower tensioning lifting block and the upper tensioning lifting block welded on the tensioning frame is a plane so that the lower tensioning lifting block and the upper tensioning lifting block firmly and stably contact, and the running shake is reduced; and the height of the rotary handle at the lower edge of the upper saw wheel is adjusted so that the saw blade is convenient to tension and loosen, and therefore, the woodworking belt saw has the advantages of stable structure, convenient operation, small running shake and high cutting quality.
Description
Technical field
The utility model belongs to the woodworking machinery apparatus field, more particularly, relates to horizontal fast tension structure and has the band saw of this mechanism.
Background technology
Tension structure generally is used for products such as belt, saw blade, spring, uses in the time of product needed maintenance or replacing parts.Change saw blade, when diesel engine is changed belt, need unclamp original mechanism and change, tensioning again after the replacing such as band sawing machine.
At present, tension structure generally adopts cam structure.The saw blade tensioning of the band saw series of products on the market is to overlap the cam structure that is installed in the tensioning frame top by one to come the tensioning saw blade.As shown in Figure 1, the critical piece that has a band saw structure of cam structure has bolster 1, tension cam 2, camshaft 3 and stop screw 4.
The height of this structure needs staff's arm to raise high generally at the top edge of saw wheel during operation, be inconvenient to exert oneself very much and operation.And, in the tensioning mode of this saw blade, tension cam 2 is through on the camshaft 3, the hole that stop screw 4 passes on the tension cam 2 screws on the M6 of camshaft 3 screw, tension cam 2 just is fastened on the camshaft 3 like this, and and then camshaft 3 rotates together, tension cam 2 heads on back shaft 1 and rises, when rising to peak, the part that stop screw 4 exceeds tension cam 2 contacts with bolster 1, limits being further rotated of tension cam 2, tension cam 2 contacts for point with bolster 1, cause bolster 1 to destroy easily, Jie Chu unstability causes upper wheel sharp pounding in the running easily in addition.
The utility model content
In order to solve above-mentioned technical barrier, the utility model provides a kind of laterally quick tension structure and a kind of band saw of realizing the laterally quick tensioning of saw blade, realize laterally tensioning fast, solve the problem of existing band saw saw blade tensioning difficulty and the vibrations of upper wheel operating condition, thereby improve the quality of cutting timber.
Laterally fast tension structure described in the utility model mainly comprises: piece, rotary handle, thrust bearing one, thrust bearing two, tensioning leading screw, back shaft in piece, the tensioning lifting under tensioning frame, tensioning nut, the tensioning lifting, wherein:
The tensioning leading screw is fixed together with big handwheel, some is thinner on tensioning leading screw top, form a step, pass thrust bearing one successively, piece under the tensioning lifting, tensioning frame, thrust bearing two, supporting plate, spring bushing and tensioning spring, screw thread on the tensioning leading screw cooperates with tensioning nut on being welded on tensioning frame, to rotatablely move and be converted to rectilinear motion, step on the tensioning leading screw promotes thrust bearing two, thrust bearing two promotes supporting plate again, supporting plate promotes tensioning spring and spring bushing again, thereby promote the tensioning slide block, be fixed on saw wheel on the tensioning slide block along with the tensioning slide block rises;
Back shaft passes two holes on the tensioning frame, is installed in the strip hole on the body, and moving of the screw of back shaft both sides and pad restrictive axial can only move up and down bolster in the strip hole of body;
Thrust bearing one places on the bracing frame of band saw body, is supporting piece under the tensioning lifting above;
Rotary handle is fixed under the described tensioning lifting on the piece, outstanding step in piece bottom under the tensioning lifting, and thrust bearing one is through on the step, the moving of limit thrust bearing one;
Block welding is combined together with piece under the tensioning lifting below tensioning frame in the tensioning lifting, and mating surface is axisymmetric inclined-plane of part and part plane, when piece under the tensioning lifting with respect to lifting on piece when rotation, tensioning frame along with piece in the lifting along rising on the inclined-plane.
Back shaft passes two holes on the tensioning frame, and the hexagon socket cap head screw of using two is with spacers is on the strip hole of body greatly, and back shaft can slide in strip hole.
Preferably, in the above-mentioned laterally fast tension structure, described thrust bearing one is placed on the body and is through under the tensioning lifting on the piece, is supporting piece under the tensioning lifting; Put on thrust bearing two on the shaft shoulder of tensioning leading screw, promote supporting plate, thereby promote tensioning spring, spring bushing and the lifting of tensioning slide block.
Preferably, in the above-mentioned laterally quick tension structure, fluting flush end holding screw is installed on the described tensioning leading screw, is used for limiting the tensioning leading screw and from tensioning nut, slides out.
Preferably, in the above-mentioned laterally quick tension structure, described tensioning slide block moves up and down in slide block guide rail, and slide block guide rail uses hex bolts to be fixed on the tensioning frame.
Preferably, in the above-mentioned laterally quick tension structure, described back shaft passes two holes on the tensioning frame, and the hexagon socket cap head screw of using two is with spacers is on the strip hole of body greatly, and back shaft can slide in strip hole.
Preferably, in the band saw of the laterally quick tensioning of above-mentioned realization saw blade, individual step is arranged on the described back shaft, withstanding tensioning frame makes it can not left and right sides play, support set is through on the bolster, is installed in the body strip hole, can move up and down in strip hole with back shaft.
A kind of band saw of realizing the laterally quick tensioning of saw blade described in the utility model has above-mentioned laterally quick tension structure, also comprises big handwheel, tensioning spring, tensioning slide block, upper whorl axial and upper belt-wheel, wherein:
The runner of band saw is fixed on the upper whorl axial of tensioning slide block;
Described big handwheel is fixedly connected on the described tensioning leading screw, is used to rotate described tensioning leading screw, and described tensioning screw mandrel cooperates with described tensioning nut, and described tensioning nut is fixed on the bottom of described tensioning frame;
Described upper whorl axial is installed on the tensioning slide block, and fixing by the volume pin, and upper belt-wheel is installed on the upper whorl axial.
Preferably, in the band saw of the laterally quick tensioning of above-mentioned realization saw blade, big handwheel is fixedlyed connected with hexagon socket cap head screw with the tensioning leading screw.
From above-mentioned technical scheme as can be seen, realize saw blade among the utility model embodiment laterally fast in the band saw of tensioning, behind the swing rotary handle under the tensioning lifting piece promote tensioning frame and move upward, realize the fast rise of upper wheel, reach quick tensioning; Piece and be welded on that the piece contact-making surface is the plane in the tensioning lifting on the tensioning frame under the tensioning lifting after the tensioning, the contact firm stable reduces the vibrations of running; Rotary handle is at the lower limb height of upper wheel, the tensioning of saw blade with unclamp very convenient.Thereby reach stably, tensioning more easily or the purpose of unclamping saw blade.Because the band saw Stability Analysis of Structures of the quick tensioning of realization saw blade that the utility model provides is easy to operate, the running vibrations are little, so can bring the convenience of operation to the worker, obtain the timber cutting quality of high-quality.
Description of drawings
Fig. 1 is the band saw tension structure schematic diagram that prior art adopts the cam strainer.
The band saw tension structure schematic diagram that Fig. 2 provides for the utility model embodiment.
Fig. 3 is the A-A cutaway view of band saw tension structure shown in Figure 2.
Structural representation in the band saw tension structure that Fig. 4 provides for the utility model embodiment under the saw blade releasing orientation.
Structural representation in the band saw tension structure that Fig. 5 provides for the utility model embodiment under the saw blade tensioning state.
The tensioning lifting stereogram of piece up and down in the band saw tension structure that Fig. 6 provides for the utility model embodiment.
The tensioning lifting plan view of piece up and down in the band saw tension structure that Fig. 7 provides for the utility model embodiment
The tensioning lifting front view that cooperates of piece up and down in the band saw tension structure that Fig. 8 provides for the utility model embodiment.
Fig. 9 is the A portion enlarged drawing of Fig. 8.
Figure 10 is the B portion enlarged drawing of Fig. 8.
Each symbol brief description of accompanying drawing:
1, bolster, 2, tension cam, 3, camshaft, 4, stop screw, 5, piece on the thrust bearing one, 6, tensioning lifting, 7, the tensioning leading screw, 8, back shaft, 9, tensioning frame, 10, dust board, 11, rotary handle, 12, piece under the tensioning lifting.
The specific embodiment
Below in conjunction with description of drawings embodiment of the present utility model.
A kind of band saw of tensioning fast of realizing laterally, shown in Fig. 2-6, mainly comprise: piece 6, rotary handle 11, thrust bearing 1, thrust bearing two, tensioning leading screw 7, back shaft 8 in piece 12, the tensioning lifting under tensioning frame 9, tensioning nut, the tensioning lifting, and big handwheel, tensioning spring, tensioning slide block, upper whorl axial and upper belt-wheel, wherein:
The runner of band saw is fixed on the upper whorl axial of tensioning slide block;
Tensioning leading screw 7 is fixed together with big handwheel, some is thinner on tensioning leading screw top, form a step, pass thrust bearing 1 successively, piece 12 under the tensioning lifting, tensioning frame 9, thrust bearing two, supporting plate, spring bushing and tensioning spring, screw thread on the tensioning leading screw cooperates with tensioning nut on being welded on tensioning frame, to rotatablely move and be converted to rectilinear motion, step on the tensioning leading screw promotes thrust bearing two, thrust bearing two promotes supporting plate again, supporting plate promotes tensioning spring and spring bushing again, thereby promote the tensioning slide block, be fixed on saw wheel on the tensioning slide block along with the tensioning slide block rises;
Thrust bearing 1 places on the bracing frame of band saw body, is supporting piece under the tensioning lifting above;
Thrust bearing 1 is placed on the body and is through under the tensioning lifting on the piece 12, is supporting piece 12 under the tensioning lifting; Put on thrust bearing two on the shaft shoulder of tensioning leading screw 7, promote supporting plate, thereby promote tensioning spring, spring bushing and the lifting of tensioning slide block.
Fluting flush end holding screw is installed on the described tensioning leading screw 7,, is used for limiting the tensioning leading screw and from tensioning nut, slides out as M5.
The tensioning slide block moves up and down in slide block guide rail, and slide block guide rail uses hex bolts to be fixed on the tensioning frame.
Individual step is arranged on the back shaft 8, withstand tensioning frame and make it can not left and right sides play, support set be through on the bolster, is installed in the body strip hole, can move up and down in strip hole with back shaft.
Described big handwheel is fixedly connected on the described tensioning leading screw, is used to rotate described tensioning leading screw, and described tensioning screw mandrel cooperates with described tensioning nut, and described tensioning nut is fixed on the bottom of described tensioning frame;
Described upper whorl axial is installed on the tensioning slide block, and fixing by the volume pin, and upper belt-wheel is installed on the upper whorl axial.
In the band saw of the laterally quick tensioning of above-mentioned realization saw blade, big handwheel is fixedlyed connected with tensioning leading screw 7 usefulness hexagon socket cap head screws.
The utility model embodiment is if will make the quick tensioning of saw blade, shown in Fig. 6-10, with the horizontal left mobile rotary handle 11 of hand, piece 12 is rotated around tensioning leading screw 3 on thrust bearing 1, and tensioning frame 9 can not be with 12 rotations of piece under the tensioning lifting by the restriction of back shaft 8 and body, thereby form relative rotation, the projection of piece 8 lifting that makes progress along the inclined-plane under the tensioning lifting, forward the projection of piece 6 in the tensioning lifting that is welded on the tensioning frame 9 to, upper belt-wheel is upwards raised in the planar section contact of such two protrusions, rises to peak, thereby make saw blade be in complete tensioning state, thereby reach the effect of quick tensioning saw blade.
The handlebar that piece 12 welds above under the tensioning lifting, pass body and do teeter, dust board 10 sealings of the gap rubber material between itself and the body, middle slit just allows handlebar move around freely and does not have unnecessary gap, thereby plays the dustproof effect.
Shown in Fig. 4-5, the extreme position of the rotation of the mating surface of piece all has one 0.5 ° angle under piece and tensioning lifting in two tensioning liftings, when these two positions of upper and lower rotation of tensioning lifting, can self-locking, and strengthen stability of structure.
Fig. 6-10 is the band saw tensioning lifting structural representation of piece up and down.Block welding is combined together with piece under the tensioning lifting below tensioning frame in the tensioning lifting, and mating surface is axisymmetric inclined-plane of part and part plane.
The utility model describes with reference to drawings and Examples; but protection domain is not limited thereto; in the utility model technical scope, have those of ordinary skill and can pass through simple conversion, and obtain the same technique effect of the utility model, equally in protection domain of the present utility model.
Claims (10)
1. horizontal fast tension structure is characterized in that, mainly comprises: piece, rotary handle, thrust bearing one, thrust bearing two, tensioning leading screw, back shaft in piece, the tensioning lifting under tensioning frame, tensioning nut, the tensioning lifting, wherein:
The tensioning leading screw is fixed together with big handwheel, some is thinner on tensioning leading screw top, form a step, pass thrust bearing one successively, piece under the tensioning lifting, tensioning frame, thrust bearing two, supporting plate, spring bushing and tensioning spring, screw thread on the tensioning leading screw cooperates with tensioning nut on being welded on tensioning frame, to rotatablely move and be converted to rectilinear motion, step on the tensioning leading screw promotes thrust bearing two, thrust bearing two promotes supporting plate again, supporting plate promotes tensioning spring and spring bushing again, thereby promote the tensioning slide block, be fixed on saw wheel on the tensioning slide block along with the tensioning slide block rises;
Back shaft passes two holes on the tensioning frame, is installed in the strip hole on the body, and moving of the screw of back shaft both sides and pad restrictive axial can only move up and down bolster in the strip hole of body;
Thrust bearing one places on the bracing frame of band saw body, is supporting piece under the tensioning lifting above;
Rotary handle is fixed under the described tensioning lifting on the piece, outstanding step in piece bottom under the tensioning lifting, and thrust bearing one is through on the step, the moving of limit thrust bearing one;
Block welding is combined together with piece under the tensioning lifting below tensioning frame in the tensioning lifting, and mating surface is axisymmetric inclined-plane of part and part plane, when piece under the tensioning lifting with respect to lifting on piece when rotation, tensioning frame along with piece in the lifting along rising on the inclined-plane.
2. laterally fast tension structure as claimed in claim 1 is characterized in that: described thrust bearing one is placed on the body and is through under the tensioning lifting on the piece, is supporting piece under the tensioning lifting; Put on thrust bearing two on the shaft shoulder of tensioning leading screw, promote supporting plate, thereby promote tensioning spring, spring bushing and the lifting of tensioning slide block.
3. laterally quick tension structure as claimed in claim 1 is characterized in that: fluting flush end holding screw is installed on the described tensioning leading screw, is used for limiting the tensioning leading screw and slides out from tensioning nut.
4. laterally quick tension structure as claimed in claim 1, it is characterized in that: described tensioning slide block moves up and down in slide block guide rail, and slide block guide rail uses hex bolts to be fixed on the tensioning frame.
5. laterally quick tension structure as claimed in claim 1, it is characterized in that: described back shaft passes two holes on the tensioning frame, and the hexagon socket cap head screw of using two is with spacers is on the strip hole of body greatly, and back shaft can slide in strip hole.
6. laterally quick tension structure as claimed in claim 1, it is characterized in that: individual step is arranged on the described back shaft, withstand tensioning frame and make it can not left and right sides play, support set be through on the bolster, be installed in the body strip hole, can in strip hole, move up and down with back shaft.
7. laterally quick tension structure as claimed in claim 1, it is characterized in that: the extreme position of the rotation of the mating surface of piece all has one 0.5 ° angle under piece and tensioning lifting in two tensioning liftings.
8. a band saw is characterized in that, has the arbitrary described laterally quick tension structure of claim 1-7.
9. band saw as claimed in claim 8 is characterized in that also comprising big handwheel, tensioning spring, tensioning slide block, upper whorl axial and upper belt-wheel, wherein:
The runner of band saw is fixed on the upper whorl axial of tensioning slide block;
Described big handwheel is fixedly connected on the described tensioning leading screw, is used to rotate described tensioning leading screw, and described tensioning screw mandrel cooperates with described tensioning nut, and described tensioning nut is fixed on the bottom of described tensioning frame;
Described upper whorl axial is installed on the tensioning slide block, and fixing by the volume pin, and upper belt-wheel is installed on the upper whorl axial.
10. band saw as claimed in claim 8 is characterized in that described big handwheel fixedlys connected with hexagon socket cap head screw with the tensioning leading screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201830666U CN201702819U (en) | 2010-05-07 | 2010-05-07 | Transverse rapid tensioning structure and woodworking belt saw thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201830666U CN201702819U (en) | 2010-05-07 | 2010-05-07 | Transverse rapid tensioning structure and woodworking belt saw thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201702819U true CN201702819U (en) | 2011-01-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201830666U Expired - Lifetime CN201702819U (en) | 2010-05-07 | 2010-05-07 | Transverse rapid tensioning structure and woodworking belt saw thereof |
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| Country | Link |
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| CN (1) | CN201702819U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103056939A (en) * | 2012-12-28 | 2013-04-24 | 青岛金岭电器有限公司 | Axial adjusting device of grooving saw for board cutting of woodworking |
| CN103659957A (en) * | 2013-06-08 | 2014-03-26 | 成都天磐科技有限责任公司 | Cutting device capable of automatically collecting shavings |
| CN107520911A (en) * | 2017-09-28 | 2017-12-29 | 青岛金岭电器有限公司 | Wood working band sawing machine mechanism for quick tensioning and wood working band sawing machine |
-
2010
- 2010-05-07 CN CN2010201830666U patent/CN201702819U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103056939A (en) * | 2012-12-28 | 2013-04-24 | 青岛金岭电器有限公司 | Axial adjusting device of grooving saw for board cutting of woodworking |
| CN103659957A (en) * | 2013-06-08 | 2014-03-26 | 成都天磐科技有限责任公司 | Cutting device capable of automatically collecting shavings |
| CN107520911A (en) * | 2017-09-28 | 2017-12-29 | 青岛金岭电器有限公司 | Wood working band sawing machine mechanism for quick tensioning and wood working band sawing machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110112 |