CN103317190B - Multifunctional saw chuck device of fast clamping saw blade - Google Patents
Multifunctional saw chuck device of fast clamping saw blade Download PDFInfo
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- CN103317190B CN103317190B CN201310249369.1A CN201310249369A CN103317190B CN 103317190 B CN103317190 B CN 103317190B CN 201310249369 A CN201310249369 A CN 201310249369A CN 103317190 B CN103317190 B CN 103317190B
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- saw blade
- pull bar
- pressing plate
- saw
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- 210000005069 ears Anatomy 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims description 6
- 230000000994 depressogenic effect Effects 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 238000004663 powder metallurgy Methods 0.000 claims description 3
- 239000002775 capsule Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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Abstract
The invention discloses a multifunctional saw chuck device of a fast clamping saw blade. A spindle of the multifunctional saw chuck device is in the shape of a hollow tube, positioning bosses arranged on the contact end surface of the front end of the spindle and the saw blade in the circumferential direction are matched with corresponding concave holes of the saw blade so that the saw blade cannot rotate relative to the spindle. A pull rod penetrates the spindle, and large-diameter convex portions with the diameter larger than that of the middle of the pull rod are arranged at the front end of the pull rod and are matched with corresponding alcoves of a press plate to press the saw blade. An ejector sleeve is sleeved on the pull rod on the back sides of the large-diameter convex portions, the saw blade is originally positioned on the positioning bosses and the excircle surface of the ejector sleeve, and an elastic saw blade pressing mechanism used for leading the pull rod to move backwards so as to lead the press plate and the large-diameter convex portions to be matched to press the saw blade is arranged in the spindle. A pull rod pressing mechanism is arranged on the head portion of a machine head behind the pull rod for downwards pressing the pull rod, and a press plate elastic ejection structure used for leading the press plate to pop out during saw blade replacing is arranged in the spindle. The multifunctional saw chuck device is simple in structure, reliable in clamping, low in cost and capable of mounting and demounting the saw blade fast and conveniently.
Description
Technical field
The present invention relates to the multifunctional saw cartridge device of quick-clamping saw blade.
Background technology
The saw blade kind that multifunctional saw uses is more, need to change saw blade frequently, and in prior art, the mounting structure more complicated of saw blade, and less reliable, that causes saw blade to mount and dismount is loaded down with trivial details, reduces operating efficiency, improves use cost.
Summary of the invention
Technical problem to be solved by this invention is just to provide a kind of multifunctional saw cartridge device of quick-clamping saw blade, and structure is simple, and reliable clamping, conveniently can mount and dismount saw blade, and cost is also lower simultaneously.
For solving the problems of the technologies described above, the present invention adopts following technical scheme: the multifunctional saw cartridge device of quick-clamping saw blade, comprise the main shaft that body head is run through in body and front and back, described main shaft is hollow tube-shape, the positioning boss shrinkage pool corresponding to saw blade that front-end of spindle and the contact end face of saw blade circumferentially distribute is formed and coordinates, play saw blade relative to the effect of main shaft anti-rotation, one pull bar is arranged in main shaft, described pull bar front end is provided with diameter and is greater than large footpath protuberance in the middle part of pull bar, this large footpath protuberance concave station corresponding to pressing plate coordinates and compresses saw blade, described pull bar is socketed with ejector sleeve on rear side of the protuberance of large footpath, be positioned on positioning boss and ejector sleeve periphery at the beginning of saw blade, be provided with in described main shaft and pull bar moved backward thus makes pressing plate coordinate with large footpath protuberance the saw blade elastic hold-down mechanism compressed by saw blade, described head head is provided with a pressure drag link mechanism and is depressed by pull bar at pull bar rear, pressing plate elastic ejection structure pressing plate being ejected when changing saw blade is provided with in described main shaft.
Preferably, described large footpath protuberance is equally distributed at least two outstanding the picking up the ears in pull bar fore end outer circumference side, described pressing plate center hollow is also provided with at least that twice are respectively relative to the centrosymmetric mounting hole of pressing plate, and one mounting hole is completely through, and another road mounting hole is not exclusively through.
Preferably, described pressing plate front end face and rear end face are all provided with annular groove around pressing plate center, described in pick up the ears to be pressed on not exclusively through mounting hole bottom surface, pressing plate front end.
Preferably, described pressure drag link mechanism comprises an eccentric toggle, and described eccentric toggle is made up of the eccentric head of front portion and the toggle bar at rear portion, and described eccentric head is articulated with on body by cam pin, described eccentric head is powder metallurgy structure, and described toggle bar is plastics, wooden or metal structure.
Preferably, described eccentric head front end is semicircular structure, and cam pin departs from semicircle home position through eccentric head, and described head is provided with the toggle groove holding eccentric toggle.
Preferably, described toggle bar is L-shaped, and described toggle bar snaps onto on eccentric head.
Preferably, described saw blade elastic hold-down mechanism comprises one and is socketed on reseting pressuring spring on pull bar excircle, and be socketed a pressure cap in the middle part of described pull bar, described pressure cap is fixed by stay rod pin and pull bar, reseting pressuring spring rear end apical grafting pressure cap, reseting pressuring spring front end withstands on main shaft hollow step surface.
Preferably, described pressing plate elastic ejection mechanism comprises one and is socketed on pull bar excircle ejects stage clip, and eject stage clip one end and withstand on pressure cap, the other end is pressed on pressing plate by ejector sleeve.
Preferably, described pressure cap comprises cylindrical body and is located at the outer annular flanges of cylindrical body fore end outer circumference side.
Preferably, described front-end of spindle inner circumferential side is provided with inner annular flange, and described inner annular flange front end is provided with ladder mouth.
In the present invention, saw blade carries out Primary Location by positioning boss and ejector sleeve, and cooperatively interact saw blade to install by " T " font (but being not limited only to " T " font) boss structure corresponding to pressing plate " T " the font concave station structure on pull bar and the saw blade elastic hold-down mechanism that includes spring and compress, and during replacement and removal saw blade, only need by switch eccentric toggle driven rotary pressing plate, its structure is simple, reliable clamping, and can convenient and swift installation and removal saw blade, cost is also lower simultaneously.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the invention will be further described:
Fig. 1 is structural representation of the present invention;
Fig. 2 is partial structurtes schematic diagram of the present invention;
Fig. 3 is pull bar front view;
Fig. 4 is pull bar front view;
Fig. 5 is pressing plate sectional view;
Fig. 6 is pressing plate front view.
Fig. 7 is main shaft boss view.
Fig. 8 is saw blade shrinkage pool view.
Detailed description of the invention
Below in conjunction with accompanying drawing, 1 to 8 couple of the present invention is further elaborated.
The multifunctional saw cartridge device of quick-clamping saw blade of the present invention is arranged on multifunctional saw, this multifunctional saw comprises the head capsule 7 that body head is provided with, and the shift fork 14 to be connected with armature 2 by spherical bearing 1, the main shaft 11 fixing shift fork 14 and the shaft-cup 10 be fixed on by screw thread on main shaft 11, the bearing 9 that main shaft 11 and shaft-cup 10 are fixed and needle bearing 16, and the hole of rigid bearing 9 back-up ring 4 and shaft block ring 3, pull bar 8 is contained in main shaft 11.
The multifunctional saw cartridge device of quick-clamping saw blade of the present invention, comprise main shaft 11, described main shaft 11 is hollow tube-shape, the positioning boss 112 that front-end of spindle and the contact end face of saw blade 17 circumferentially distribute shrinkage pool 171 corresponding to saw blade is formed and coordinates, play saw blade relative to the effect of main shaft anti-rotation, one pull bar 8 is arranged in main shaft, described pull bar front end is provided with diameter and is greater than large footpath protuberance in the middle part of pull bar, this large footpath protuberance concave station corresponding to pressing plate coordinates and compresses saw blade, described pull bar is socketed with ejector sleeve 20 on rear side of the protuberance of large footpath, be positioned on positioning boss and ejector sleeve periphery at the beginning of saw blade, be provided with in described main shaft and pull bar moved backward thus makes pressing plate coordinate with large footpath protuberance the saw blade elastic hold-down mechanism compressed by saw blade, described head head is provided with a pressure drag link mechanism and is depressed by pull bar at pull bar rear, pressing plate elastic ejection structure pressing plate being ejected when changing saw blade is provided with in described main shaft.
Described pull bar front end is ladder core print 80, and large footpath protuberance to be this ladder core print 80 fore end outer circumference side equally distributed two outstanding 801 (forming the structures of approximate T-shape hook) of picking up the ears, described pressing plate 18 center hollow and be provided with at least twice respectively about the centrosymmetric mounting hole 181 of pressing plate, one mounting hole is completely through, and another road mounting hole is not exclusively through.Described shape of picking up the ears is rectangle, and described pressing plate front end face and rear end face are all provided with annular groove 180 around pressing plate center.Can make pick up the ears through completely through mounting hole thus pressing plate is inserted in ladder core print by the mode of rotary pressure plate, then can make to pick up the ears to fall in not exclusively through kidney-shaped blind hole by the mode of rotary pressure plate again, make between pressing plate and ladder core print, to form mutual locking relation, structure is simple, easy to use.
Described pressure drag link mechanism comprises an eccentric toggle 5, described eccentric toggle is made up of the bias 50 of front portion and the toggle bar 51 at rear portion, described eccentric head is articulated with on body by cam pin 6, and described eccentric head is powder metallurgy structure, and described toggle bar is plastics or metal structure.Described eccentric head front end is semicircular structure, and cam pin departs from semicircle home position through eccentric head, and described head front portion (head capsule 7) is provided with the toggle groove 70 holding eccentric toggle 5.Described toggle bar 51 is L-shaped, and described bias 50 is buckled in toggle bar 51 by the mode of inlaying.Eccentric toggle is convenient to depress pull bar relative to other structures.
Described saw blade elastic hold-down mechanism comprises one and is socketed on reseting pressuring spring 15 on pull bar excircle, a pressure cap 13 is socketed in the middle part of described pull bar, described pressure cap is fixed by stay rod pin 12 and pull bar, reseting pressuring spring rear end apical grafting pressure cap, reseting pressuring spring front end apical grafting front-end of spindle mouth.Described pressure cap comprises cylindrical body 130 and is located at the outer annular flanges 131 of cylindrical body fore end outer circumference side.Described front-end of spindle inner circumferential side is provided with inner annular flange 110, and described reseting pressuring spring 15 front end apical grafting inner annular flange rear end face, described inner annular flange front end is provided with ladder mouth 111.Use pressure cap to drive pull bar, be convenient to the assembling of pull bar in main shaft.Interact to make reseting pressuring spring work by pressure cap outer annular flanges 131 and main shaft inner annular flange 110.Saw blade by shrinkage pool 171 be located at be positioned positioning boss 112 can make saw blade obtain preferably location with fixing.Described pressing plate elastic ejection mechanism comprises one and is socketed on pull bar excircle ejects stage clip 19, and eject stage clip 19 one end and withstand on pressure cap, the other end is pressed on pressing plate by ejector sleeve 20.
As the distortion of above-described embodiment, described pressing plate also can be spacing by split pin, and namely establish pin-and-hole in ladder core print front end, split pin is located in this pin-and-hole, and pressing plate so just can be made can not to deviate from from ladder core print.In addition, pressure drag link mechanism can be also a pressing plate being provided with back-moving spring, namely depresses pull bar by pressing plate, and by back-moving spring, pressing plate is resetted.
Multifunctional saw cartridge device saw blade clamping principle and job description:
When saw blade 17 is installed, first saw blade 17 is installed to main shaft 11 front end positioning boss 112 with on ejector sleeve 20, then the waist through hole of pressing plate 18 is set on pull bar 8 through the T-shaped hook on pull bar 8, again by pressing plate 18 half-twist, make the T-shaped on pull bar 8 link up with the kidney-shaped blind hole being fixed on pressing plate 18, eccentric toggle 5 is rotated 180 °, under the effect of reseting pressuring spring 15, pressure cap 13 drives pull bar 8 to rise, make pressing plate 18 tightly push down saw blade 17, thus reach and pin the effect of saw blade 17.
When changing saw blade 17, eccentric toggle 5 is rotated 180 °, pull bar 8 pushes away forward by eccentric toggle 5, pull bar 8 leaves pressing plate 18, by pressing plate 18 half-twist, eject stage clip 19 by ejector sleeve 20, the waist through hole on pressing plate 18 to be ejected from the T-shaped hook pull bar 8, take off pressing plate 18 and saw blade 17, namely reach the effect unloading saw blade.
Claims (10)
1. the multifunctional saw cartridge device of quick-clamping saw blade, comprise the main shaft (11) that body head is run through in body and front and back, described main shaft is hollow tube-shape, it is characterized in that: the positioning boss (112) that front-end of spindle and the contact end face of saw blade (17) circumferentially distribute shrinkage pool (171) corresponding to saw blade is formed and coordinate, play saw blade relative to the effect of main shaft anti-rotation, one pull bar (8) is arranged in main shaft, described pull bar front end is provided with diameter and is greater than large footpath protuberance in the middle part of pull bar, this large footpath protuberance concave station corresponding to pressing plate coordinates and compresses saw blade, described pull bar is socketed with ejector sleeve (20) on rear side of the protuberance of large footpath, be positioned on positioning boss and ejector sleeve periphery at the beginning of saw blade, be provided with in described main shaft and pull bar moved backward thus makes pressing plate coordinate with large footpath protuberance the saw blade elastic hold-down mechanism compressed by saw blade, described body head is provided with a pressure drag link mechanism and is depressed by pull bar at pull bar rear, pressing plate elastic ejection structure pressing plate being ejected when changing saw blade is provided with in described main shaft.
2. the multifunctional saw cartridge device of quick-clamping saw blade according to claim 1, it is characterized in that: described large footpath protuberance is equally distributed two outstanding pick up the ears (801), pull bar fore end outer circumference side, described pressing plate (18) center hollow is also provided with twice respectively relative to the centrosymmetric mounting hole of pressing plate (181), one mounting hole is completely through, and another road mounting hole is not exclusively through.
3. the multifunctional saw cartridge device of quick-clamping saw blade according to claim 2, it is characterized in that: described pressing plate front end face and rear end face are all provided with annular groove (180) around pressing plate center, described in pick up the ears to be pressed on not exclusively through mounting hole bottom surface, pressing plate front end.
4. the multifunctional saw cartridge device of the quick-clamping saw blade according to claims 1 to 3 any one, it is characterized in that: described pressure drag link mechanism comprises an eccentric toggle (5), described eccentric toggle is made up of the eccentric head (50) of front portion and the toggle bar (51) at rear portion, described eccentric head is articulated with on body by cam pin (6), described eccentric head is powder metallurgy structure, and described toggle bar is plastics, wooden or metal structure.
5. the multifunctional saw cartridge device of quick-clamping saw blade according to claim 4, it is characterized in that: described eccentric head (50) front end is semicircular structure, cam pin (6) departs from semicircle home position through eccentric head, and described body head is provided with the toggle groove (70) holding eccentric toggle (5).
6. the multifunctional saw cartridge device of quick-clamping saw blade according to claim 5, is characterized in that: described toggle bar (51) is L-shaped, and described toggle bar (51) snaps onto on eccentric head (50).
7. the multifunctional saw cartridge device of quick-clamping saw blade according to claim 6, it is characterized in that: described saw blade elastic hold-down mechanism comprises one and is socketed on reseting pressuring spring (15) on pull bar excircle, a pressure cap (13) is socketed in the middle part of described pull bar, described pressure cap is fixed by stay rod pin (12) and pull bar, reseting pressuring spring rear end apical grafting pressure cap, reseting pressuring spring front end withstands on main shaft hollow step surface.
8. the multifunctional saw cartridge device of quick-clamping saw blade according to claim 7, it is characterized in that: described pressing plate elastic ejection structure comprises one and is socketed on pull bar excircle ejects stage clip (19), ejecting stage clip one end withstands on pressure cap, and the other end is pressed on pressing plate by ejector sleeve (20).
9. the multifunctional saw cartridge device of quick-clamping saw blade according to claim 8, is characterized in that: described pressure cap (13) comprises cylindrical body (130) and is located at the outer annular flanges (131) of cylindrical body fore end outer circumference side.
10. the multifunctional saw cartridge device of quick-clamping saw blade according to claim 9, is characterized in that: described front-end of spindle inner circumferential side is provided with inner annular flange (110), and described inner annular flange front end is provided with ladder mouth (111).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310249369.1A CN103317190B (en) | 2013-06-20 | 2013-06-20 | Multifunctional saw chuck device of fast clamping saw blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310249369.1A CN103317190B (en) | 2013-06-20 | 2013-06-20 | Multifunctional saw chuck device of fast clamping saw blade |
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| Publication Number | Publication Date |
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| CN103317190A CN103317190A (en) | 2013-09-25 |
| CN103317190B true CN103317190B (en) | 2015-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310249369.1A Active CN103317190B (en) | 2013-06-20 | 2013-06-20 | Multifunctional saw chuck device of fast clamping saw blade |
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| Country | Link |
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| CN (1) | CN103317190B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103737560B (en) * | 2014-01-03 | 2015-08-19 | 浙江通达电器有限公司 | The clutch apparatus of electric tool |
| CN105728846B (en) * | 2016-04-11 | 2017-12-15 | 浙江金美电动工具有限公司 | Multifunctional saw quick change construction and quick change method |
| CN107309492B (en) * | 2017-08-08 | 2023-08-29 | 浙江金美电动工具有限公司 | Multifunctional saw quick-change structure and quick-change method |
| CN110370367B (en) * | 2019-07-29 | 2024-05-10 | 宁波汉浦工具有限公司 | Dual-purpose cutting tool |
| CN112223220A (en) * | 2020-10-15 | 2021-01-15 | 南京久驰机电实业有限公司 | Quick clamping device and multifunctional tool machine adopting same |
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| CN202129785U (en) * | 2010-04-29 | 2012-02-01 | 布莱克和戴克公司 | Clamping device |
| WO2012089640A1 (en) * | 2010-12-30 | 2012-07-05 | Robert Bosch Gmbh | Clamping device for a hand-held power tool |
| WO2012100893A1 (en) * | 2011-01-25 | 2012-08-02 | Robert Bosch Gmbh | Tool chucking device |
| CN102785162A (en) * | 2011-05-18 | 2012-11-21 | 南京德朔实业有限公司 | Power tool |
| CN203304698U (en) * | 2013-06-20 | 2013-11-27 | 浙江通达电器有限公司 | Multifunctional saw clamping device for quickly clamping saw blades |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9186770B2 (en) * | 2010-04-29 | 2015-11-17 | Black & Decker Inc. | Oscillating tool attachment feature |
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|---|---|---|---|---|
| CN1902029A (en) * | 2003-12-30 | 2007-01-24 | 罗伯特·博世有限公司 | Hand machine tool with clamping device |
| CN101347936A (en) * | 2007-07-19 | 2009-01-21 | C.&E.泛音有限公司 | Power-driven hand tool |
| CN202129785U (en) * | 2010-04-29 | 2012-02-01 | 布莱克和戴克公司 | Clamping device |
| WO2012089640A1 (en) * | 2010-12-30 | 2012-07-05 | Robert Bosch Gmbh | Clamping device for a hand-held power tool |
| WO2012100893A1 (en) * | 2011-01-25 | 2012-08-02 | Robert Bosch Gmbh | Tool chucking device |
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| CN103317190A (en) | 2013-09-25 |
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Denomination of invention: A multifunctional saw chuck device for quickly clamping saw blades Granted publication date: 20150715 Pledgee: Bank of China Limited by Share Ltd. Jinhua branch Pledgor: ZHEJIANG TONGDA ELECTRICAL APPLIANCE Co.,Ltd. Registration number: Y2024980004449 |
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