CN205272219U - Curve saw - Google Patents
Curve saw Download PDFInfo
- Publication number
- CN205272219U CN205272219U CN201521084981.9U CN201521084981U CN205272219U CN 205272219 U CN205272219 U CN 205272219U CN 201521084981 U CN201521084981 U CN 201521084981U CN 205272219 U CN205272219 U CN 205272219U
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- rocker arm
- shaped groove
- arm
- elongated hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a curve saw, contains the base, a housing, go up the rocking arm, lower rocking arm, the connecting rod, including a motor, an end cap, a controller, and a cover plate, the eccentric wheel, the rocker, the saw blade, saw blade centre gripping ware and workstation, the shell body is fixed on the base, it is located the top of rocking arm down to go up the rocking arm, the rear portion of going up rocking arm and lower rocking arm constitutes articulatedly with the casing respectively, workstation and motor are fixed on the base, the epaxial eccentric wheel that is equipped with of motor, the one end and the eccentric wheel of rocker constitute articulatedly, the other end of rocker is articulated with the anterior constitution of lower rocking arm, the front end at last rocking arm under with is installed to saw blade centre gripping ware, the saw blade is installed on saw blade centre gripping ware, the one end of connecting rod constitutes swing joint with the rear end of last rocking arm, the other end of connecting rod and the rear end constitution swing joint of lower rocking arm, the distance between rocking arm rear end and the lower rocking arm rear end can be adjusted to the connecting rod. This curve saw is simple structure, low in production cost not only, is convenient for saw cut the operation moreover.
Description
Technical field
This utility model relates to a kind of wood working tool, particularly a kind of sweep-saw.
Background technology
Sweep-saw is a kind of wood working tool that can carry out sawing plank along curve. existing a kind of sweep-saw contains base, housing, upper rocker arm, lower shake-changing arm, connecting rod, motor, eccentric, rocking bar, saw blade, saw blade clamp holder, saw blade stretcher and workbench. housing is fixed on base, upper rocker arm is positioned at the top of lower shake-changing arm, the rear portion of upper rocker arm and lower shake-changing arm constitutes hinged with housing respectively, one end of connecting rod constitutes hinged with the rear end of upper rocker arm, the other end of connecting rod constitutes hinged with the rear end of lower shake-changing arm, workbench and motor are fixed on base, equipped with eccentric on the axle of motor, one end of rocking bar constitutes hinged with eccentric, the other end of rocking bar constitutes hinged with lower rocking bar front portion, saw blade clamp holder is arranged on the front end of upper rocker arm and lower shake-changing arm, saw blade is arranged on saw blade clamp holder, saw blade stretcher is arranged on the front end of upper rocker arm. the Main Function of saw blade stretcher is used to tensioning saw blade, makes saw blade can remain certain tensioning degree in operation process, to ensure being normally carried out of sawing. owing to saw blade stretcher is arranged on the front end of upper rocker arm, saw blade clamp holder is also mounted at the front end of upper rocker arm and lower shake-changing arm simultaneously, therefore adds the complexity of upper rocker arm front-end architecture, and not only production cost is high, nor is easy to the sawing operation of sweep-saw.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of sweep-saw, and this sweep-saw is not only simple in structure, production cost is low, and is easy to sawing operation.
For solving above-mentioned technical problem, this utility model sweep-saw, containing base, housing, upper rocker arm, lower shake-changing arm, connecting rod, motor, eccentric, rocking bar, saw blade, saw blade clamp holder and workbench, housing is fixed on base, upper rocker arm is positioned at the top of lower shake-changing arm, the rear portion of upper rocker arm and lower shake-changing arm constitutes hinged with housing respectively, workbench and motor are fixed on base, equipped with eccentric on the axle of motor, one end of rocking bar constitutes hinged with eccentric, the other end of rocking bar constitutes hinged with the front portion of lower shake-changing arm, saw blade clamp holder is arranged on the front end of upper rocker arm and lower shake-changing arm, saw blade is arranged on saw blade clamp holder, one end of described connecting rod is flexibly connected with the rear end composition of upper rocker arm, the other end of connecting rod is flexibly connected with the rear end composition of lower shake-changing arm, described connecting rod can regulate the distance between upper rocker arm rear end and lower shake-changing arm rear end.
Described connecting rod is cylindrical structure, the upper and lower of connecting rod is respectively equipped with screw thread and lower screw thread, upper screw thread and lower screw thread oppositely oriented, upper screw thread and lower screw thread install top nut and lower nut respectively, top nut and lower nut are wedge structure, the rearward end of described upper rocker arm and lower shake-changing arm is respectively equipped with elongated hole and lower elongated hole, the upper and lower of described connecting rod is installed in upper rocker arm and lower shake-changing arm rearward end in the upper elongated hole being respectively equipped with and lower elongated hole respectively, the rearward end of described upper rocker arm and lower shake-changing arm is respectively equipped with V-shaped groove and lower V-shaped groove, the upper elongated hole being respectively equipped with on described upper rocker arm and lower shake-changing arm rearward end and lower elongated hole lay respectively at the central authorities being respectively equipped with V-shaped groove and lower V-shaped groove in the rearward end of described upper rocker arm and lower shake-changing arm, the described wedge shape top nut being contained on connecting rod and lower nut lay respectively in the upper V-shaped groove being respectively equipped with in the rearward end of described upper rocker arm and lower shake-changing arm and lower V-shaped groove, the angle of described upper V-shaped groove and lower V-shaped groove can make respectively described in be contained on connecting rod wedge shape top nut and lower nut swing around upper V-shaped groove and lower V-shaped groove, the upper end of described connecting rod is provided with rotating handles.
Described upper rocker arm is identical with lower elongated hole structure with the upper elongated hole being respectively equipped with in lower shake-changing arm rearward end, and upper elongated hole is identical with the diameter of described connecting rod with the width of lower elongated hole, and the length of upper elongated hole and lower elongated hole is 1.5 to 3 times of described connecting rod diameter.
Described upper rocker arm is identical with the structure of lower V-shaped groove with the upper V-shaped groove being respectively equipped with in the rearward end of lower shake-changing arm, the angle of upper V-shaped groove and lower V-shaped groove is 90o to 100o, described top nut and lower nut are identical wedge structure, and the wedge angle of top nut and lower nut is 50o to 60o. It is provided with check chain between described upper rocker arm and the rearward end of lower shake-changing arm.
In above-mentioned sweep-saw, owing to one end of connecting rod is flexibly connected with the rear end composition of upper rocker arm, the other end of connecting rod is flexibly connected with the rear end composition of lower shake-changing arm, connecting rod can regulate the distance between upper rocker arm rear end and lower shake-changing arm rear end, therefore the saw blade that just can make to be arranged in saw blade angle holder by the distance between lever regulated upper rocker arm rear end and lower shake-changing arm rear end keeps certain tensioning degree, to ensure being normally carried out of sawing, compared with prior art, eliminate the saw blade stretcher being arranged on upper rocker arm front end, enormously simplify the complexity of upper rocker arm front-end architecture, thus reducing production cost, simplify the structure of sweep-saw, it is easy to the sawing operation of sweep-saw.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model sweep-saw.
Detailed description of the invention
In Fig. 1, a kind of sweep-saw, containing base 17, housing 15, upper rocker arm 8, lower shake-changing arm 14, connecting rod 6, motor 18, eccentric, rocking bar, saw blade 2, saw blade clamp holder 3 and workbench 1. Housing 15 is fixed on base 17. Upper rocker arm 8 is positioned at the top of lower shake-changing arm 14, and the rear portion 7 of upper rocker arm and the rear portion 16 of lower shake-changing arm constitute hinged with housing 15 respectively. In the present embodiment, the rear portion 7 of upper rocker arm is formed by hinged with housing 15: the rear portion 7 of upper rocker arm is provided with through hole, and this through hole is contained on the corresponding bearing pin that housing 15 is provided with; Rear portion 16 and the housing 15 of lower shake-changing arm are formed by hinged: the rear portion 16 of lower shake-changing arm is provided with through hole, and this through hole is contained on the corresponding bearing pin that housing 15 is provided with. Workbench 1 and motor 18 are fixed on base 17, and equipped with eccentric on the axle of motor 18, one end of rocking bar constitutes hinged with eccentric, and the other end of rocking bar constitutes hinged with the front portion of lower shake-changing arm 14. Saw blade clamp holder 3 is arranged on the front end 4 of upper rocker arm and the front end of lower shake-changing arm 14. Saw blade 2 is arranged on saw blade clamp holder 3. One end of described connecting rod 6 is flexibly connected with the rear end composition of upper rocker arm 8, and the other end of connecting rod 6 is flexibly connected with the rear end composition of lower shake-changing arm 14, and described connecting rod 6 can regulate the distance between upper rocker arm 8 rear end and lower shake-changing arm 14 rear end.
Described connecting rod 6 is cylindrical structure, and the upper and lower of connecting rod 6 is respectively equipped with the oppositely oriented of screw thread and lower screw thread, upper screw thread and lower screw thread, upper screw thread and install top nut 10 and lower nut 12 on lower screw thread respectively. Top nut 10 and lower nut 12 are wedge structure. The rearward end of described upper rocker arm 8 and lower shake-changing arm 14 is respectively equipped with elongated hole and lower elongated hole. The upper and lower of described connecting rod 6 is installed in upper rocker arm 8 and lower shake-changing arm 14 rearward end in the upper elongated hole and lower elongated hole being respectively equipped with respectively. The rearward end of described upper rocker arm 8 and lower shake-changing arm 14 is respectively equipped with V-shaped groove 9 and lower V-shaped groove 13, described upper rocker arm 8 and the upper elongated hole and the lower elongated hole that are respectively equipped with in lower shake-changing arm 14 rearward end and lays respectively at the central authorities being respectively equipped with V-shaped groove 9 and lower V-shaped groove 13 in the rearward end of described upper rocker arm 8 and lower shake-changing arm 14. The described wedge shape top nut 10 being contained on connecting rod 6 and lower nut 12 lay respectively in the upper V-shaped groove 9 being respectively equipped with in the rearward end of described upper rocker arm 8 and lower shake-changing arm 14 and lower V-shaped groove 13. The angle of described upper V-shaped groove 9 and lower V-shaped groove 13 can make respectively described in be contained on connecting rod 6 wedge shape top nut 10 and lower nut 12 swing around upper V-shaped groove 9 and lower V-shaped groove 13, the upper end of described connecting rod 6 is provided with rotating handles 11.
Described upper rocker arm 8 is identical with lower elongated hole structure with the upper elongated hole being respectively equipped with in lower shake-changing arm 14 rearward end, and upper elongated hole is identical with the diameter of described connecting rod 6 with the width of lower elongated hole, and the length of upper elongated hole and lower elongated hole is 1.5 to 3 times of described connecting rod 6 diameter.
Described upper rocker arm 8 is identical with the structure of lower V-shaped groove 13 with the upper V-shaped groove 9 being respectively equipped with in the rearward end of lower shake-changing arm 14, the angle of upper V-shaped groove 9 and lower V-shaped groove 13 is 90o to 100o, described top nut 10 and lower nut 12 are identical wedge structure, and the wedge angle of top nut 10 and lower nut 12 is 50o to 60o. It is provided with check chain 5 between described upper rocker arm 8 and the rearward end of lower shake-changing arm 14. Check chain 5 can be easy to the assembling of connecting rod 6.
In above-mentioned sweep-saw, when rotating rotating handles 11, top nut 10 and lower nut 12 relative movement on connecting rod 6, make the distance between top nut 10 and lower nut 12 increase or reduce, when distance between top nut 10 and lower nut 12 increases, distance between upper rocker arm 8 and lower shake-changing arm 14 rear end increases with the distance between top nut 10 and lower nut 12 and increases, and is at this moment positioned at upper rocker arm 8 and saw blade 2 that lower shake-changing arm 14 front end is contained on saw blade clamp holder 3 is loose gets off; When distance between top nut 10 and lower nut 12 reduces, distance between upper rocker arm 8 and lower shake-changing arm 14 rear end reduces with the distance between top nut 10 and lower nut 12 and reduces, and is at this moment positioned at upper rocker arm 8 and saw blade 2 tensioning that lower shake-changing arm 14 front end is contained on saw blade clamp holder 3. Compared with prior art, eliminating the saw blade stretcher being arranged on upper rocker arm 8 front end, enormously simplify the complexity of upper rocker arm 8 front-end architecture, thus reducing production cost, simplifying the structure of sweep-saw, it is simple to the sawing operation of sweep-saw.
Claims (5)
1. a sweep-saw, containing base, housing, upper rocker arm, lower shake-changing arm, connecting rod, motor, eccentric, rocking bar, saw blade, saw blade clamp holder and workbench, housing is fixed on base, upper rocker arm is positioned at the top of lower shake-changing arm, the rear portion of upper rocker arm and lower shake-changing arm constitutes hinged with housing respectively, workbench and motor are fixed on base, equipped with eccentric on the axle of motor, one end of rocking bar constitutes hinged with eccentric, the other end of rocking bar constitutes hinged with the front portion of lower shake-changing arm, saw blade clamp holder is arranged on the front end of upper rocker arm and lower shake-changing arm, saw blade is arranged on saw blade clamp holder, it is characterized in that: one end of described connecting rod is flexibly connected with the rear end composition of upper rocker arm, the other end of connecting rod is flexibly connected with the rear end composition of lower shake-changing arm, described connecting rod can regulate the distance between upper rocker arm rear end and lower shake-changing arm rear end.
2. a kind of sweep-saw according to claim 1, it is characterized in that: described connecting rod is cylindrical structure, the upper and lower of connecting rod is respectively equipped with screw thread and lower screw thread, upper screw thread and lower screw thread oppositely oriented, upper screw thread and lower screw thread install top nut and lower nut respectively, top nut and lower nut are wedge structure, the rearward end of described upper rocker arm and lower shake-changing arm is respectively equipped with elongated hole and lower elongated hole, the upper and lower of described connecting rod is installed in upper rocker arm and lower shake-changing arm rearward end in the upper elongated hole being respectively equipped with and lower elongated hole respectively, the rearward end of described upper rocker arm and lower shake-changing arm is respectively equipped with V-shaped groove and lower V-shaped groove, the upper elongated hole being respectively equipped with on described upper rocker arm and lower shake-changing arm rearward end and lower elongated hole lay respectively at the central authorities being respectively equipped with V-shaped groove and lower V-shaped groove in the rearward end of described upper rocker arm and lower shake-changing arm, the described wedge shape top nut being contained on connecting rod and lower nut lay respectively in the upper V-shaped groove being respectively equipped with in the rearward end of described upper rocker arm and lower shake-changing arm and lower V-shaped groove, the angle of described upper V-shaped groove and lower V-shaped groove can make respectively described in be contained on connecting rod wedge shape top nut and lower nut swing around upper V-shaped groove and lower V-shaped groove, the upper end of described connecting rod is provided with rotating handles.
3. a kind of sweep-saw according to claim 1, it is characterized in that: described upper rocker arm is identical with lower elongated hole structure with the upper elongated hole being respectively equipped with in lower shake-changing arm rearward end, upper elongated hole is identical with the diameter of described connecting rod with the width of lower elongated hole, and the length of upper elongated hole and lower elongated hole is 1.5 to 3 times of described connecting rod diameter.
4. a kind of sweep-saw according to claim 2, it is characterized in that: described upper rocker arm is identical with the structure of lower V-shaped groove with the upper V-shaped groove being respectively equipped with in the rearward end of lower shake-changing arm, the angle of upper V-shaped groove and lower V-shaped groove is 90o to 100o, described top nut and lower nut are identical wedge structure, and the wedge angle of top nut and lower nut is 50o to 60o.
5. a kind of sweep-saw according to claim 1, it is characterised in that: it is provided with check chain between described upper rocker arm and the rearward end of lower shake-changing arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521084981.9U CN205272219U (en) | 2015-12-23 | 2015-12-23 | Curve saw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521084981.9U CN205272219U (en) | 2015-12-23 | 2015-12-23 | Curve saw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205272219U true CN205272219U (en) | 2016-06-01 |
Family
ID=56056833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521084981.9U Expired - Fee Related CN205272219U (en) | 2015-12-23 | 2015-12-23 | Curve saw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205272219U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105397870A (en) * | 2015-12-23 | 2016-03-16 | 盐城宝鼎电动工具有限公司 | Curve saw |
-
2015
- 2015-12-23 CN CN201521084981.9U patent/CN205272219U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105397870A (en) * | 2015-12-23 | 2016-03-16 | 盐城宝鼎电动工具有限公司 | Curve saw |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160601 Termination date: 20171223 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |