CN102166746B - Multifunctional saw with scissor head - Google Patents
Multifunctional saw with scissor head Download PDFInfo
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- CN102166746B CN102166746B CN 201110087168 CN201110087168A CN102166746B CN 102166746 B CN102166746 B CN 102166746B CN 201110087168 CN201110087168 CN 201110087168 CN 201110087168 A CN201110087168 A CN 201110087168A CN 102166746 B CN102166746 B CN 102166746B
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- shear blade
- swing
- swinging block
- strip groove
- blade
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Abstract
The invention discloses a multifunctional saw with a scissor head, comprising a swing output end (11) and a scissor head (2) which comprises a main scissor blade (5), a secondary scissor blade (6), a swing block (4), a hinged positioning plate (3), wherein the middle parts of the main scissor blade (5) and the secondary scissor blade (6) are mutually hinged and positioned on the face side of the second end (32) of the hinged positioning plate (3); the centers of the back sides of the swing output end (11) and the swing block (4) are connected in a transmission manner; the face side of the swing block (4) is provided with a left elongated groove (41) and a right elongated groove (42); the sides of the shanks of the main scissor blade (5) and the secondary scissor blade (6) are respectively provided with a first roller wheel (81) and a second roller wheel (82); and each roller wheel is limited in the corresponding elongated groove. Compared with the prior art, the saw provided by the invention has the advantages that the scissor head and the existing multifunctional saw are combined perfectly, the swing action of the swing output end is evolved into the effectual scissor action; and by the scissor head, the thicker metal sheet material can be cut, so that the scissor head is very practical.
Description
Technical field
The present invention relates to the technical field of electric tool, relate in particular to a kind of multifunctional saw with scissors bit.
Background technology
In carpenter's processing, plastic processing or machining, saw is in order to cut the common tool of timber, plastics, shape.Carrying out reciprocating type cutting running with traditional hand saws is the work of part effort, and the birth of power saws is just for remedy such and insufficient, as circular saw, electronic goose saw etc.At present, a kind of multifunctional motor-driven saw is arranged, comprise casing, be installed in the motor in the casing and the swing mechanism that links to each other with the output transmission of motor, the swing that the rotation output of motor is converted in the certain angle scope by swing mechanism is exported, for example, swing mechanism can comprise that one is eccentrically set on the drive end on the motor output end, be set in the driving wheel on the drive end, be arranged on the swing arm of driving wheel periphery and that link to each other with swing arm and the eccentric swing output that arranges, one end of swing arm has two wall extensions, and a first from left is arranged on the periphery of driving wheel rightly, eccentric rotary by the relative motor output shaft of driving wheel drives its peripheral wall extension left and right sides reciprocally swinging, make the swing output make the eccentric swing back and forth in the certain angle scope at last, after the swing output connects various saw blades, tool can make saw blade deflection swing back and forth, reaches the purpose of automatic cutting.
And the multifunctional motor-driven saw is to be connected the different saw blades of swinging on the output by replacing, and reach different effects, as, in order to cut the saw blade of various thin metals, timber, plastics, triangle sand in order to polishing, the various materials of polishing, be used for the straight blade of various band nail plank, fiberboard perforate and cutting, be used for digging the diamond saw blade of hard material such as ceramic tile, floor tile, glass.Yet, in actual use, run into when needing to cut thicker sheet material, these existing saw blades such as saw blade are not very suitable, the comparatively difficulty of exerting all one's strength, and cutting is painstaking, fragile saw blade itself, but the mode of cutting will become easily, shear effect is also comparatively desirable if adopt, and is an individual also unsolved difficult problem and how scissors bit is applied in this shuttle-type multifunctional saw.
Summary of the invention
Technical problem to be solved by this invention is the present situation at prior art, a kind of multifunctional saw with scissors bit is provided, it can be in transmission connection scissors bit on the swing output of multifunctional saw, the deflection wobbling action of swing output is developed into the scissor action of proving effective, but by the thicker sheet metal of scissors bit cutting.
The present invention solves the problems of the technologies described above the technical scheme that adopts: the multifunctional saw of this band scissors bit, comprise the swing output, it is characterized in that also comprising the scissors bit that links to each other with the transmission of swing output, this scissors bit comprises main shear blade, inferior shear blade, swinging block, hinged location-plate;
Wherein, first end of hinged location-plate is set in swing output periphery and can freely rotates relative to swinging output, and the middle part of main shear blade, inferior shear blade is positioned on the front of hinged location-plate second end mutually hingedly;
The swing output links to each other with center, the back side transmission of swinging block, and the front of swinging block two side positions of the heart therein is respectively arranged with left strip groove, right strip groove;
And, being separately installed with first roller, second roller on the shank side of main shear blade, inferior shear blade, each roller is limited in respectively in the corresponding strip groove.
Wherein, the swing output is back and forth deflection swing (amplitude of fluctuation is generally in 4 °～7 ° scopes) in the certain angle scope, swinging block then thereupon in the certain angle scope back and forth the deflection swing (amplitude of fluctuation is generally in 0 °～7 ° scopes, axis with the motor output shaft of multifunctional saw is datum line, and then the amplitude of fluctuation of swinging block is 25 °～32 °); And two rollers that are limited in the strip groove are conflicted with the inwall of strip groove all the time, and when the swinging block reciprocally swinging, each roller is back and forth activity under the conflict of strip groove, both draw close relatively or relatively away from; So, the shank of primary and secondary shear blade just reciprocally draw close relatively within the specific limits or away from, thereby make the head of primary and secondary shear blade have the action that repeats to shear.
In the multifunctional saw, the off-centre that swing arm is swung output relatively arranges scope between 0.6mm～1.2mm.
And first roller, second roller can be separately positioned in the left and right strip groove, first roller, second roller also can be separately positioned in the right side, the left strip groove, this with the shape of primary and secondary shear blade and left and right strip groove that angle direction is set is relevant.
For making things convenient for the production and processing of primary and secondary shear blade, preferably, relative lower part, the top of described main shear blade bends to the right, the top of main shear blade has blade, the head edge of described shear blade has blade, and first roller on the main shear blade is limited in the left strip groove, and second roller on the inferior shear blade is limited in the right strip groove.So, primary and secondary shear blade one the first from left is arranged on the both sides at swinging block center rightly, and the blade of primary and secondary shear blade is worked in coordination and had the shearing function.
Can swing the effective shear action that be well on, 25 °～30 ° settings of the axis tilt of the motor output end of the relative multifunctional saw of length direction center line of described swinging block along with the deflection of swinging block for guaranteeing the scissors that the primary and secondary shear blade is formed;
Described left strip groove is good with the position of angle in 58 °～65 ° spans of the length direction center line that is arranged on the relative swinging block of its length direction center line, described right strip groove is good with the position of angle in 14 °～20 ° spans of the length direction center line that is arranged on the relative swinging block of its length direction center line, and the angle of the relative swinging block length direction of the line center line of the pin joint of described primary and secondary shear blade and swinging block central point is in 80 °～125 ° spans.
For the parts of avoiding scissors bit influence safe handling owing to exposing at work, can also be enclosed with protective cover outside the described scissors bit, the head of primary and secondary shear blade stretches out outside protective cover.
For ease of offering of left and right sides strip groove, superimposedly about the first swing layer that described swinging block can be linked to each other by transmission and the second swing layer constitute, wherein, the back side of the first swing layer links to each other with the transmission of swing output, have left and right two strip holes on the second swing layer, these two strip holes form left and right strip groove with the first stacked swing layer.
Compared with prior art, the invention has the advantages that; Scissors bit can be in transmission connection on the swing output of multifunctional saw, make scissors bit and existing multifunctional saw perfect adaptation, and cooperate with the roller of primary and secondary shear blade shank by left and right strip groove on the swinging block, the beat action of swing output is developed into the scissor action of proving effective, but it is by the thicker sheet metal of scissors bit cutting, very practical.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention.
Fig. 2 is the structural representation (removed protective cover) of scissors bit in the embodiment of the invention with the swing output.
Fig. 3 is the three-dimensional exploded view of Fig. 2.
The structural representation that Fig. 4 sees from the front for Fig. 2.
Fig. 5 is the front view of Fig. 4.
The specific embodiment
Describe in further detail below in conjunction with the present invention of accompanying drawing embodiment.
As Fig. 1～shown in Figure 5, the multifunctional saw of this band scissors bit, comprise the multifunctional saw main frame casing 1, be arranged on motor in the casing 1, the swing arm 12 that links to each other with the motor transmission, link to each other with swing arm 12 and relative its eccentric swing output 11 that arranges, with swing the scissors bit 2 that output 11 transmissions link to each other, this scissors bit 2 comprises hinged location-plate 3, swinging block 4, main shear blade 5, inferior shear blade 6;
Wherein, also be enclosed with protective cover 7 outside the described scissors bit 2, primary and secondary shear blade 5,6 head stretch out outside protective cover 7;
In the present embodiment, described swinging block 4 is by the first swing layer 4a that links to each other by connecting pin 4c transmission and second swing layer 4b is superimposed up and down constitutes, wherein, the back side of the first swing layer 4a links to each other by trundle 43 transmissions with swing output 11, the second swing layer 4b go up, be positioned at center connecting hole 44 left and right sides has left and right two strip holes, and these two strip holes form the left strip groove 41 that is positioned at swinging block 4 fronts, right strip groove 42 with first a stacked swing layer 4a;
The 51 relative lower parts 52, top of described main shear blade 5 bend to the right, and the top 51 of main shear blade 5 has blade 53, and the head edge of described shear blade 6 has blade 61;
And, first roller 81 is installed on the shank side of main shear blade 5, second roller 82 is installed on the shank side of inferior shear blade 6, first roller 81 assign in the left strip groove 41 and be limited in all the time in the left strip groove 41 movable, second roller 82 assign into and be limited in all the time in the right strip groove 42 movable;
Simultaneously, the axis L of the motor output end of the relative multifunctional saw of length direction center line OQ of described swinging block 4 (the line OP among Fig. 5 is the line parallel with this axis L) 30 ° of settings of deflection;
In the present embodiment, the angle α that described left strip groove 41 is arranged on the length direction center line OQ of the relative swinging block 4 of its length direction center line is 65 ° position, the angle β that described right strip groove 42 is arranged on the length direction center line OQ of the relative swinging block 4 of its length direction center line is 14 ° position, and the angle γ of the relative swinging block 4 length direction center line OQ of line BO of described primary and secondary shear blade 5,6 pin joint B and swinging block 4 central point O is 89 °.
During work, swinging block 4 is followed the reciprocal deflection in the certain angle scope of swing output 11 and is swung (in the present embodiment, axis with the motor output shaft of multifunctional saw is datum line, the amplitude of fluctuation of swinging block is 27 °～31 °), and two rollers that are limited in the strip groove are subjected to the restriction of strip groove all the time and be moved thereupon, because two strip grooves 41,42 specially move towards setting, the deflection wobbling action that cooperates swinging block 4, two rollers 81,82 do reciprocally to draw close relatively or relatively away from action;
Be example with the present embodiment, when two rollers 81,82 relatively away from the time, be primary and secondary shear blade 5,6 shank relatively away from the time, the scissors head is in shearing condition, when two rollers 81,82 are close relatively, be primary and secondary shear blade 5,6 shank when drawing close relatively, the scissors head is in open configuration, thereby makes primary and secondary shear blade 5,6 head have the action that repeats to shear;
In realizing repetition shear action process, hinged location-plate 3, beat all can take place in swinging block 4, and lead, inferior shear blade pin joint B, the first roller central point C and the second roller central point A also can be moved thereupon, the movement locus of these three points is as follows: described master, line and the master of inferior shear blade pin joint B and the second roller central point A, angle between the line of the pin joint B of inferior shear blade and the first roller central point C is in 63 °～72 ° scopes, the line of the first roller central point C and the second roller central point A and central point C and the master of first roller, angle between the line of the pin joint B of inferior shear blade in 59 °～46 ° scopes, the line of the second roller central point A and the first roller central point C and second roller central point A and the master, angle between the line of the pin joint B of inferior shear blade is in 59 °～46 ° scopes.
Claims (5)
1. multifunctional saw with scissors bit, comprise swing output (11), it is characterized in that also comprising the scissors bit (2) that links to each other with the transmission of swing output (11), this scissors bit (2) comprises main shear blade (5), inferior shear blade (6), swinging block (4), hinged location-plate (3);
Wherein, first end (31) of hinged location-plate (3) is set in swing output (11) periphery and can freely rotates relative to swinging output (11), and the middle part of main shear blade (5), inferior shear blade (6) is positioned on the front of hinged location-plate (3) second ends (32) mutually hingedly;
Swing output (11) links to each other with center, the back side transmission of swinging block (4), and the front of swinging block (4) two side positions of the heart therein is respectively arranged with left strip groove (41), right strip groove (42);
And, being separately installed with first roller (81), second roller (82) on the shank side of main shear blade (5), inferior shear blade (6), each roller is limited in respectively in the corresponding strip groove;
The length direction center line (OQ) of described swinging block (4) is 25 °～30 ° settings of axis tilt of the motor output end of multifunctional saw relatively.
2. the multifunctional saw of band scissors bit according to claim 1, it is characterized in that: the top (51) of described main shear blade (5) bends lower part (52) relatively to the right, the top (51) of main shear blade (5) has blade (53), the head edge of described shear blade (6) has blade (61), and, first roller (81) on the main shear blade (5) is limited in the left strip groove (41), and second roller (82) on the inferior shear blade (6) is limited in the right strip groove (42).
3. the multifunctional saw of band scissors bit according to claim 1, it is characterized in that: described left strip groove (41) is arranged on the position of angle (α) in 58 °～65 ° spans of the length direction center line (OQ) of the relative swinging block of its length direction center line (4), described right strip groove (42) is arranged on the position of angle (β) in 14 °～20 ° spans of the length direction center line (OQ) of the relative swinging block of its length direction center line (4), and described master, inferior shear blade (5, the angle (γ) of the relative swinging block of line (BO) (4) the length direction center line (OQ) of pin joint 6) (B) and swinging block (4) central point (O) is in 80 °～125 ° spans.
4. according to the multifunctional saw of the described band scissors bit of arbitrary claim in the claim 1 to 3, it is characterized in that: also be enclosed with protective cover (7) outside the described scissors bit (2), the head of primary and secondary shear blade (5,6) stretches out outside protective cover (7).
5. according to the multifunctional saw of the described band scissors bit of arbitrary claim in the claim 1 to 3, it is characterized in that: described swinging block (4) is swung layer (4b) superimposed formation up and down by the first swing layer (4a) and second that transmission links to each other, wherein, the back side of the first swing layer (4a) links to each other with the transmission of swing output (11), have left and right two strip holes on the second swing layer (4b), these two strip holes form left and right strip groove (41,42) with the first stacked swing layer (4a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110087168 CN102166746B (en) | 2011-04-01 | 2011-04-01 | Multifunctional saw with scissor head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110087168 CN102166746B (en) | 2011-04-01 | 2011-04-01 | Multifunctional saw with scissor head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102166746A CN102166746A (en) | 2011-08-31 |
| CN102166746B true CN102166746B (en) | 2013-08-21 |
Family
ID=44488166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110087168 Expired - Fee Related CN102166746B (en) | 2011-04-01 | 2011-04-01 | Multifunctional saw with scissor head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102166746B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001315069A (en) * | 2000-05-01 | 2001-11-13 | Kiyoshi Doi | Tool using rotary power device |
| WO2009117779A1 (en) * | 2008-03-27 | 2009-10-01 | Power Snips Pty Ltd | Sheet metal cutting device |
| JP5332662B2 (en) * | 2009-01-30 | 2013-11-06 | マックス株式会社 | Electric scissors |
| CN101823265B (en) * | 2009-03-06 | 2012-11-21 | 苏州宝时得电动工具有限公司 | Shearing tool |
| CN201659575U (en) * | 2010-04-13 | 2010-12-01 | 张家港红牛工具有限公司 | Portable electric shears |
| CN102554334B (en) * | 2010-12-15 | 2015-04-22 | 苏州宝时得电动工具有限公司 | Cutting accessory and swing power tool using same |
| CN202016043U (en) * | 2011-04-01 | 2011-10-26 | 宁波石木机电有限公司 | Multifunctional saw with scissors head |
-
2011
- 2011-04-01 CN CN 201110087168 patent/CN102166746B/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN102166746A (en) | 2011-08-31 |
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Granted publication date: 20130821 Termination date: 20150401 |
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