CN201644927U - Transmission mechanism of curved saw - Google Patents
Transmission mechanism of curved saw Download PDFInfo
- Publication number
- CN201644927U CN201644927U CN2010200228119U CN201020022811U CN201644927U CN 201644927 U CN201644927 U CN 201644927U CN 2010200228119 U CN2010200228119 U CN 2010200228119U CN 201020022811 U CN201020022811 U CN 201020022811U CN 201644927 U CN201644927 U CN 201644927U
- Authority
- CN
- China
- Prior art keywords
- eccentric wheel
- gear
- transmission mechanism
- reciprocating lever
- sweep
- 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 transmission mechanism of a curved saw, which mainly comprises a rotor, a motor shaft, an eccentric wheel, a large gear, a gear shaft, a bearing, an oil bearing and a tool loading frame, wherein the eccentric wheel and the large gear are concentrically arranged on the gear shaft; the rotor is arranged on the motor shaft; the rotor and the large gear are meshed mutually to output a torque; the eccentric wheel and the large gear are concentrically arranged on the gear shaft by the bearing and the oil bearing; an eccentric wheel assembly is arranged on the eccentric wheel; the eccentric wheel assembly is in interference fit with the eccentric wheel; the eccentric wheel assembly passes through a hole of a reciprocating lever; when the eccentric wheel rotates, the rotating motion is changed into the linear reciprocating motion in the vertical plane; and the reciprocating lever cannot move up and down in the vertical plane by a positioning frame, a positioning sleeve and a pressure spring and the angle of the reciprocating lever is regulated by a tool lifting knob and a tool lifting plate so as to realize output of different loads. The transmission mechanism of the curved saw has the advantages of simple and compact structure, low cost, stable work and capability of realizing output of different loads.
Description
Technical field
The utility model relates to a kind of transmission mechanism of electric tool, particularly a kind of transmission mechanism of sweep-saw.
Background technology
Existing sweep-saw has two kinds, a kind of transmission mechanism of sweep-saw is not with eccentric wheel, a kind of transmission mechanism of sweep-saw has eccentric wheel, the transmission mechanism that has eccentric sweep-saw, general also comprise be installed in casing on upper rocker arm and lower shake-changing arm, connect the connecting rod of upper rocker arm and lower shake-changing arm etc., eccentric wheel is installed on the motor shaft, directly driving eccentric wheel by motor shaft rotates, eccentric gear connects the parts of clamping saw blade again by rocking arm and connecting rod, thereby form the saw blade linear reciprocating motion, finish sawing work, but this sweep-saw complex structure, work is stable inadequately, influences crudy.
The utility model content
The purpose of this utility model is at above-mentioned the deficiencies in the prior art, provides a kind of simple in structure, the transmission mechanism of the sweep-saw of working stability.
For solving the problems of the technologies described above, the technical scheme of employing is as follows:
A kind of transmission mechanism of sweep-saw comprises rotor, and motor shaft and eccentric wheel, rotor are installed on the motor shaft, also comprises gear wheel, gear shaft, bearing, oiliness bearing and dress knife rest; Eccentric wheel and gear wheel concentric fits are on gear shaft; Described rotor is a gear shaft, rotor and gear wheel engagement output torque, the rotation of driven gear axle; The eccentric shaft assembly is installed on the eccentric wheel, interference fit between the two, the eccentric shaft assembly passes from the round rectangle hole of reciprocating lever, and blade is installed on the reciprocating lever by the dress knife rest, when eccentric wheel rotates, become the straight reciprocating motion in the perpendicular with rotatablely moving.
As the further improved technical scheme of the utility model, eccentric wheel passes through bearing, oiliness bearing and gear wheel concentric fits on gear shaft.
As the further improved technical scheme of the utility model, be furnished with holding screw in the dress knife rest, closely cooperating simultaneously by holding screw and reciprocating lever, blade is pressed on the reciprocating lever by bolt and pad.
As the further improved technical scheme of the utility model, also comprise cutter lifting knob and cutter lifting plate, cutter lifting knob and cutter lifting plate are installed on the dress knife rest, regulate the cutter lifting knob, can stir the cutter lifting plate, thereby regulate the angle of reciprocating lever.
As the further improved technical scheme of the utility model, also comprise positioner, described positioner comprises locating rack, location torsion spring and positioning sleeve; Locating rack is installed on the gear-box, and location torsion spring and positioning sleeve are installed on the locating rack, and the location torsion spring compresses reciprocating lever, and reciprocating lever passes positioning sleeve, and reciprocating lever can not be beated in perpendicular; Described positioner is two.
The transmission mechanism of the utility model sweep-saw, the rotation of driven by motor rotor, rotor and gear wheel engagement, gear wheel is installed on the gear shaft, setting-up eccentricity gear on the gear shaft, therefore, the utility model is simple in structure, the output torque is big, working stability in addition, also is equipped with cutter lifting knob and cutter lifting plate on the dress knife rest, can regulate the angle of reciprocating lever, realize unequally loaded output.
Description of drawings
Fig. 1 is the sectional structure schematic diagram of the transmission mechanism of the utility model sweep-saw.
Fig. 2 is the main TV structure schematic diagram of the transmission mechanism of the utility model sweep-saw.
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present utility model is described further.
Referring to Fig. 1 and Fig. 2, eccentric wheel 3, gear wheel 12, gear shaft 13, bearing 14 and oiliness bearing 15 all are fixedly mounted in the gear-box 10, and locating rack 5 and dress knife rest 6 are installed on the gear-box 10.Rotor 11 is installed on the motor shaft, eccentric wheel 3 passes through bearing 14, oiliness bearing 15 and gear wheel 12 concentric fits on gear shaft 13, rotor 11 and gear wheel 12 engagement output torques, thereby drive eccentric wheel 3 rotations, eccentric shaft assembly 4 is installed on the eccentric wheel 3, interference fit between the two, eccentric wheel establishment 4 has certain offset distance with the pivot of eccentric wheel 3, eccentric shaft assembly 4 passes from the hole of reciprocating lever 1, when eccentric wheel 4 rotation, become the straight reciprocating motion in the perpendicular with rotatablely moving.Positioning sleeve 2 is installed on the locating rack 5, and reciprocating lever 1 passes positioning sleeve 2, in the locating rack 5 holddown spring is installed, and reciprocating lever 1 can not be beated in perpendicular.Dress knife rest 6 closely cooperates by holding screw and reciprocating lever 1, and blade is installed on the reciprocating lever 1 by bolt and pad.Cutter lifting knob 9 and cutter lifting plate 8 are installed on the dress knife rest 6, regulate cutter lifting knob 9, can stir cutter lifting plate 8, thereby regulate the angle of reciprocating lever 1.
Claims (7)
1. the transmission mechanism of a sweep-saw, comprise rotor (11), motor shaft and eccentric wheel (3), rotor (11) is installed on the motor shaft, it is characterized in that: also comprise gear wheel (12), gear shaft (13), bearing (14), oiliness bearing (15) and dress knife rest (6); Eccentric wheel (3) and gear wheel (12) concentric fits are on gear shaft (13); Described rotor (11) is a gear shaft, rotor (11) and gear wheel (12) engagement output torque, driven gear axle (13) rotation; Eccentric shaft assembly (4) is installed on the eccentric wheel (3), interference fit between the two, eccentric shaft assembly (4) passes from the round rectangle hole of reciprocating lever (1), blade is installed on the reciprocating lever (1) by dress knife rest (6), when eccentric wheel (4) rotates, become the straight reciprocating motion in the perpendicular with rotatablely moving.
2. the transmission mechanism of sweep-saw according to claim 1 is characterized in that: eccentric wheel (3) by bearing (14), oiliness bearing (15) and gear wheel (12) concentric fits on gear shaft (13).
3. the transmission mechanism of sweep-saw according to claim 1 is characterized in that: be furnished with holding screw in the dress knife rest (6), be pressed on the reciprocating lever (1) by bolt and pad by holding screw and reciprocating lever (1) the while blade that closely cooperates.
4. the transmission mechanism of sweep-saw according to claim 1, it is characterized in that: also comprise cutter lifting knob (9) and cutter lifting plate (8), cutter lifting knob (9) and cutter lifting plate (8) are installed on the dress knife rest (6), regulate cutter lifting knob (9), can stir cutter lifting plate (8), thereby regulate the angle of reciprocating lever (1).
5. according to the transmission mechanism of claim 1 or 2 or 3 or 4 described sweep-saws, it is characterized in that: also comprise gear-box (10); Eccentric wheel (3), gear wheel (12), gear shaft (13), dress knife rest (6), bearing (14) and oiliness bearing (15) all are fixedly mounted in the gear-box (10).
6. the transmission mechanism of sweep-saw according to claim 5 is characterized in that: also comprise positioner, described positioner comprises locating rack (5), location torsion spring and positioning sleeve (2); Locating rack (5) is installed on the gear-box (10), and location torsion spring and positioning sleeve (2) are installed on the locating rack (5), and the location torsion spring compresses reciprocating lever (1), and reciprocating lever (1) passes positioning sleeve (2), and reciprocating lever (1) can not be beated in perpendicular.
7. the transmission mechanism of sweep-saw according to claim 5, it is characterized in that: described positioner is two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200228119U CN201644927U (en) | 2010-01-06 | 2010-01-06 | Transmission mechanism of curved saw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200228119U CN201644927U (en) | 2010-01-06 | 2010-01-06 | Transmission mechanism of curved saw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201644927U true CN201644927U (en) | 2010-11-24 |
Family
ID=43110130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010200228119U Expired - Fee Related CN201644927U (en) | 2010-01-06 | 2010-01-06 | Transmission mechanism of curved saw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201644927U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102672268A (en) * | 2011-03-11 | 2012-09-19 | 南京德朔实业有限公司 | Saw cutting cutter |
-
2010
- 2010-01-06 CN CN2010200228119U patent/CN201644927U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102672268A (en) * | 2011-03-11 | 2012-09-19 | 南京德朔实业有限公司 | Saw cutting cutter |
| CN102672268B (en) * | 2011-03-11 | 2015-07-15 | 南京德朔实业有限公司 | Saw cutting cutter |
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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: 20101124 Termination date: 20160106 |