CN104400116A - Mine pneumatic sawing machine - Google Patents
Mine pneumatic sawing machine Download PDFInfo
- Publication number
- CN104400116A CN104400116A CN201410635354.3A CN201410635354A CN104400116A CN 104400116 A CN104400116 A CN 104400116A CN 201410635354 A CN201410635354 A CN 201410635354A CN 104400116 A CN104400116 A CN 104400116A
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- China
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- transmission case
- saw blade
- knife rest
- connecting rod
- sawing machine
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Abstract
The invention discloses a mine pneumatic sawing machine, which comprises a rack, wherein a transmission case, a pneumatic motor and a blade holder with a saw blade are arranged on the rack, the pneumatic motor is fixed in the transmission case, one end of the blade holder is rotatably connected with the top of the transmission case, the other end of the blade holder is a free end, the saw blade is fixed on saw blade supports, the saw blade supports are connected with the blade holder through sliders, a reduction gear and a driving gear which are engaged with each other are arranged on the transmission case, the driving gear is connected with the output shaft of the pneumatic motor, the reduction gear is provided with an eccentric hole, a first connecting rod is rotatably connected with the eccentric hole, and the other end of the first connecting rod is rotatably connected with one of the saw blade supports. The pneumatic motor is utilized as a power source, a cutter can be horizontally and vertically moved by means of each stage of transmission of the mechanical principle, the reliability is high, the damage of the tool is prevented, the performance is stable, and the mine pneumatic sawing machine is convenient to use and maintain.
Description
Technical field
The present invention relates to a kind of Metal Cutting equipment, be specifically related to a kind of mining pneumatic sawing machine.
Background technology
The metal materials such as the scraper conveyer chain in colliery carry due to high load capacity, easily occur crackle, because production safety needs to change as early as possible.Mining saw is used to cut the mining instrument of one that underground coal mine exists the metal materials such as the chain of crackle, to facilitate the replacing to materials such as chains.For reasons such as gas safeties, electric saw does not generally advise adopting.The type of existing mining saw is hand saws and hydraulic saw, and its weak point is: 1. common hand saws is wasted time and energy, and efficiency is extremely low, greatly have impact on coal production efficiency.2. although hydraulic saw power is large, speed also easily regulates, and there is the drawbacks such as complex structure, part processing precision requirement are high, maintenance difficult, define its scope of application due to hydraulic system.
Summary of the invention
The mining pneumatic sawing machine that technical problem to be solved by this invention is to provide a kind of stable performance, cutting efficiency is high, the scope of application is wide.
For achieving the above object, the invention provides following technical scheme: a kind of mining pneumatic sawing machine, comprise frame, described frame is provided with transmission case, air motor and be provided with the knife rest of saw blade, described transmission case is fixed on bottom frame, air motor is fixed in transmission case, knife rest one end and transmission case top are rotationally connected, the other end is free end, saw blade is fixed on saw blade support, saw blade support is connected with knife rest by the slide block that can reciprocatingly move along knife rest axis direction on knife rest, described transmission case is provided with a pair intermeshing reduction gearing and driving gear, driving gear is connected with the output shaft of air motor, reduction gearing to be positioned on transmission case and to be rotationally connected with transmission case, reduction gearing is provided with eccentric orfice, a first connecting rod is rotationally connected in eccentric orfice, the other end of first connecting rod is connected with saw blade holder pivots, the center of reduction gearing is provided with cam, the wheel rim of cam connects one and can do the piston rod pumped, the top of this piston rod is rotationally connected second connecting rod, the other end of second connecting rod is connected with blade holder turns.
Preferably, the bottom of piston rod is embedded in the wheel rim of cam, and the bottom of piston rod is along the creep of cam.
Preferably, frame also fixedly mounts one for fixing by the fixture of saw thing.
Adopt technique scheme, utilize air motor as power source, realized moving horizontally of cutter by the transmissions at different levels of theory of mechanics and moved up and down, reliability is high, avoids tool damage, stable performance, easy maintenance.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is reduction gearing front view of the present invention;
Fig. 3 is reduction gearing rearview of the present invention;
Wherein, 1. frame 2. transmission case 3. air motor 4. saw blade 5. knife rest 6. saw blade support 7. slide block 8. reduction gearing 9. driving gear 10. eccentric orfice 11. first connecting rod 12. cam 13. piston rod 14. second connecting rod.
Detailed description of the invention
Below in conjunction with accompanying drawing, by the description to embodiment, the present invention will be further described:
As shown in Figure 1, a kind of mining pneumatic sawing machine of the present invention, comprise frame 1, frame 1 is provided with transmission case 2, air motor 3 and be provided with the knife rest 5 of saw blade 4, transmission case 2 is fixed on bottom frame 1, air motor 3 is fixed in transmission case 2, knife rest 5 one end and transmission case 2 top hinged, the other end is free end, the two ends of saw blade 4 are separately fixed on a saw blade support 6, two saw blade supports 6 are connected with knife rest 5 respectively by the slide block 7 that can reciprocatingly move along knife rest 5 axis direction on knife rest 5, transmission case 2 is provided with a pair intermeshing reduction gearing 8 and driving gear 9, driving gear 9 is connected with the output shaft of air motor 3, reduction gearing 8 to be positioned on transmission case 2 and to be rotationally connected with transmission case 2, reduction gearing 8 is provided with eccentric orfice 10, a hinged first connecting rod 11 in eccentric orfice 10, the other end and the saw blade support 6 of first connecting rod 11 are hinged, the center of reduction gearing 8 fixedly mounts a cam 12, the wheel rim of cam 12 connects a piston rod 13 that can do to pump, the bottom of piston rod 13 is embedded in the wheel rim of cam 12, and the bottom of piston rod 13 is along the creep of cam 12, the hinged second connecting rod 14 in top of this piston rod 13, the other end and the knife rest 5 of second connecting rod 14 are hinged.
Mining pneumatic sawing machine of the present invention operationally, power is provided by air motor 3, driving gear 9 is driven to rotate, because reduction gearing 8 engages with driving gear 9, thus reduction gearing 8 rotates with driving gear 9, because reduction gearing 8 is provided with eccentric orfice 10, a hinged first connecting rod 11 in eccentric orfice 10, the other end and the saw blade support 6 of first connecting rod 11 are hinged, and saw blade support 6 is slidably connected by slide block 7 and knife rest 5, thus under the rotation of reduction gearing 8, saw blade support 6 can drive saw blade 4 axially-movable along knife rest 5 under the effect of slide block 7, saw blade 4 moves along knife rest 5 axis direction, the stability of whole sawing machine work can be ensured, and saw blade 4 can be made to cut by saw thing.Meanwhile, due to knife rest 5 one end and transmission case 2 top hinged, therefore, first connecting rod 11 is also with movable knife rack 5 to rotate along pin joint simultaneously, is convenient to saw blade 4 and cuts by saw thing.The center of reduction gearing 8 fixedly mounts a cam 12, the wheel rim of cam 12 connects a piston rod 13 that can do to pump, the hinged second connecting rod 14 in top of this piston rod 13, the other end and the knife rest 5 of second connecting rod 14 are hinged, knife rest 5 rotational stability can be ensured, support knife rest 5, the bottom of piston rod 13 is embedded in the wheel rim of cam 12, and the bottom of piston rod 13 is along the creep of cam 12, the stability that piston rod 13 moves up and down can be ensured, avoid the motionless or inharmonic phenomenon of moving of piston rod 13.
The present invention utilizes air motor 3 as power source, and realized moving horizontally of saw blade 4 by the transmissions at different levels of theory of mechanics and moved up and down, reliability is high, avoids tool damage, stable performance, easy maintenance.
In addition, the present invention can also fixedly mount one for fixing by the fixture of saw thing in frame.
Above-described is only the preferred embodiment of the present invention, it should be pointed out that for the person of ordinary skill of the art, and without departing from the concept of the premise of the invention, can also make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (3)
1. a mining pneumatic sawing machine, comprise frame (1), described frame (1) is provided with transmission case (2), air motor (3) and be provided with the knife rest (5) of saw blade (4), it is characterized in that: described transmission case (2) is fixed on frame (1) bottom, air motor (3) is fixed in transmission case (2), knife rest (5) one end and transmission case (2) top are rotationally connected, the other end is free end, saw blade (4) is fixed on saw blade support (6), saw blade support (6) is connected with knife rest (5) by the slide block (7) that can reciprocatingly move along knife rest (5) axis direction on knife rest, described transmission case (2) is provided with a pair intermeshing reduction gearing (8) and driving gear (9), driving gear (9) is connected with the output shaft of air motor (3), reduction gearing (8) is positioned at transmission case (2) and goes up and be rotationally connected with transmission case (2), reduction gearing (8) is provided with eccentric orfice (10), a first connecting rod (11) is rotationally connected in eccentric orfice (10), the other end and the saw blade support (6) of first connecting rod (11) are rotationally connected, the center of reduction gearing (8) is provided with cam (12), the wheel rim of cam (12) connects a piston rod (13) that can do to pump, the top of this piston rod (13) is rotationally connected second connecting rod (14), the other end and the knife rest (5) of second connecting rod (14) are rotationally connected.
2. mining pneumatic sawing machine according to claim 1, it is characterized in that: the bottom of described piston rod (13) is embedded in the wheel rim of cam (12), and the bottom of piston rod (13) is along the creep of cam (12).
3. mining pneumatic sawing machine according to claim 1, is characterized in that: described frame (1) also fixedly mounts one for fixing by the fixture of saw thing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410635354.3A CN104400116A (en) | 2014-11-12 | 2014-11-12 | Mine pneumatic sawing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410635354.3A CN104400116A (en) | 2014-11-12 | 2014-11-12 | Mine pneumatic sawing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104400116A true CN104400116A (en) | 2015-03-11 |
Family
ID=52637816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410635354.3A Pending CN104400116A (en) | 2014-11-12 | 2014-11-12 | Mine pneumatic sawing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104400116A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106624112A (en) * | 2016-12-26 | 2017-05-10 | 重庆雨帝建材有限公司 | Coiled material cutting machine cutting head structure |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5858171B2 (en) * | 1980-10-17 | 1983-12-23 | 津根精機株式会社 | Control device for hacksaw machine |
| FR2816234A1 (en) * | 2000-11-07 | 2002-05-10 | Abel Helmut | SUSPENSION DEVICE FOR A BLADE OF A PARALLELOGRAM CHANNEL SAW |
| US20020100348A1 (en) * | 2000-10-20 | 2002-08-01 | Hogan Scott Edward | Tabletop cake slicer |
| CN202377611U (en) * | 2012-01-06 | 2012-08-15 | 安徽鑫宏机械有限公司 | Mine pneumatic saw |
| CN203778875U (en) * | 2014-04-15 | 2014-08-20 | 常熟理工学院 | Portable electric saw blade cutting machine |
| CN104117729A (en) * | 2014-06-25 | 2014-10-29 | 陕西高华知本化工科技有限公司 | Pneumatic sawing machine |
-
2014
- 2014-11-12 CN CN201410635354.3A patent/CN104400116A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5858171B2 (en) * | 1980-10-17 | 1983-12-23 | 津根精機株式会社 | Control device for hacksaw machine |
| US20020100348A1 (en) * | 2000-10-20 | 2002-08-01 | Hogan Scott Edward | Tabletop cake slicer |
| FR2816234A1 (en) * | 2000-11-07 | 2002-05-10 | Abel Helmut | SUSPENSION DEVICE FOR A BLADE OF A PARALLELOGRAM CHANNEL SAW |
| CN202377611U (en) * | 2012-01-06 | 2012-08-15 | 安徽鑫宏机械有限公司 | Mine pneumatic saw |
| CN203778875U (en) * | 2014-04-15 | 2014-08-20 | 常熟理工学院 | Portable electric saw blade cutting machine |
| CN104117729A (en) * | 2014-06-25 | 2014-10-29 | 陕西高华知本化工科技有限公司 | Pneumatic sawing machine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106624112A (en) * | 2016-12-26 | 2017-05-10 | 重庆雨帝建材有限公司 | Coiled material cutting machine cutting head structure |
| CN106624112B (en) * | 2016-12-26 | 2018-08-03 | 重庆雨帝建材有限公司 | Coiled material cutting machine cuts header structure |
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| C10 | Entry into substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150311 |