CN110064957A - A kind of high-speed cutting tool - Google Patents
A kind of high-speed cutting tool Download PDFInfo
- Publication number
- CN110064957A CN110064957A CN201910463423.XA CN201910463423A CN110064957A CN 110064957 A CN110064957 A CN 110064957A CN 201910463423 A CN201910463423 A CN 201910463423A CN 110064957 A CN110064957 A CN 110064957A
- Authority
- CN
- China
- Prior art keywords
- cutter
- shaft
- drive shaft
- reciprocating lever
- cam
- 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.)
- Pending
Links
- 230000000694 effects Effects 0.000 claims abstract description 6
- 230000004323 axial length Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D51/00—Sawing machines or sawing devices working with straight blades, characterised only by constructional features of particular parts; Carrying or attaching means for tools, covered by this subclass, which are connected to a carrier at both ends
- B23D51/16—Sawing machines or sawing devices working with straight blades, characterised only by constructional features of particular parts; Carrying or attaching means for tools, covered by this subclass, which are connected to a carrier at both ends of drives or feed mechanisms for straight tools, e.g. saw blades, or bows
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/02—Driving main working members
- B23Q5/04—Driving main working members rotary shafts, e.g. working-spindles
- B23Q5/10—Driving main working members rotary shafts, e.g. working-spindles driven essentially by electrical means
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Auxiliary Devices For Machine Tools (AREA)
Abstract
The invention discloses a kind of high-speed cutting tools, including shell, rotation is provided with the drive shaft being driven by motor in shell, it is provided with first cam and the second cam on the driving shaft, it is movably set with the first reciprocating lever and the second reciprocating lever inside housings, in drive shaft turns, 180 ° of the phase phase difference of the reciprocating motion of the reciprocating motion and cutter mechanism of balance weight mechanism；Balance weight mechanism includes first connecting rod, first connecting rod is rotatably assorted by one end of bearing and the second reciprocating lever, it is fixedly installed the counterweight being in the form of a column, counterweight and sliding bearing activity cooperation in the upper and lower ends of first connecting rod and counterweight is axially extending along drive shaft side direction.When motor of the present invention drives drive shaft high-speed motion, due to the first and second 180 ° of reciprocating lever phase phase difference, the vibration that the first and second reciprocating lever generates respectively can be offset, noise also considerable decrease；And since counterweight is axially extending along drive shaft side direction, and then greatly reduce the height of entire shell.
Description
Technical field
The present invention relates to cutting tool technical fields, more specifically, are related to a kind of reciprocating cutting tool.
Background technique
Often structure is sufficiently complex for traditional reciprocating cutting tool, the diminution being unfavorable in entire tool volume.Specifically
, reference can be made to number of patent application is " CN201320856736.X ", disclosed in the utility model patent of entitled " reciprocating saw "
Reciprocating cutting tool structure comprising motor, the shell for accommodating the motor, outside the rack and rack that are connected with shell
Head shell, be fixedly arranged above guide sleeve in the head shell interior framework, have in the guide sleeve for connecting
The reciprocating lever of blade further includes a balance weight being set on guide sleeve, is symmetrically set in the rack other side by pin shaft
It is equipped with the balance weight driving swing rod for driving the balance weight to move back and forth, passes through opposite past of the consistent direction of motion of motion profile
Compound lever and balance weight eliminate out-of-balance force of the reciprocating lever in reciprocating motion.
However drive swing rod and reciprocating lever that swing rod band dynamic balance weight and reciprocating lever is driven to exist by balance weight in above structure
The structure moved in guide sleeve is sufficiently complex, and balance weight driving swing rod and reciprocating lever driving swing rod and balance weight and reciprocating lever
In motor high-speed rotation, vibration acutely, is easy to produce noise for cooperation.
Summary of the invention
It is an object of the invention to overcome defect existing in the prior art, a kind of high-speed cutting tool is provided.
The present invention is achieved through the following technical solutions: a kind of high-speed cutting tool, including shell, in the shell
Rotation is provided with a drive shaft, and by motor driven, it is rotated along central axis the drive shaft, sets in the drive shaft
It is equipped with first cam and the second cam, is movably set with the first reciprocating lever and the second reciprocating lever in the enclosure interior, passes through
First cam and cutter mechanism are sequentially connected by one reciprocating lever, by the second reciprocating lever by second cam and counter weight machine
Structure transmission connection；First cam and second cam have a same shape, and setting direction on the contrary, so that
In drive shaft turns, 180 ° of the phase phase difference of the reciprocating motion of the reciprocating motion and cutter mechanism of balance weight mechanism；The counterweight
Mechanism includes first connecting rod, and the first connecting rod is rotatably assorted by one end of bearing and second reciprocating lever, in institute
The upper and lower ends for stating first connecting rod are fixedly installed the counterweight being in the form of a column, the counterweight and the fixation in the shell
The sliding bearing activity of setting cooperates and the counterweight is axially extending along drive shaft side direction.
In above-mentioned technical proposal, the cutter mechanism includes a cutter shaft, solid by cutter holder on the head of the cutter shaft
Surely there is cutter, the cutter shaft is connected with first reciprocating lever.
In above-mentioned technical proposal, the tail end of the cutter shaft is provided with screw hole, further includes a joint shaft, in the joint shaft
It is provided with a circle baffle ring on the inner wall of front end, is provided with thrust ball bearing in the two sides of the baffle ring, a cutter shaft connecting pin is worn
It is screwed into the screw hole of the cutter shaft after crossing the joint shaft, and the cutter shaft connecting pin compresses two thrust ball bearings；?
It is provided with coaxial perforation on the two sidewalls of the tail end of the joint shaft, passes through bearing on the other end of first reciprocating lever
It is rotatably assorted with the second connecting rod, and the upper and lower ends of the second connecting rod limit set on the two sidewalls of the tail end of joint shaft respectively
In the perforation set.
In above-mentioned technical proposal, the shell further includes cutter holder guide sleeve, is provided by cutter holder guide sleeve for the cutter holder
Guiding.
When driving drive shaft high-speed motion the invention has the following beneficial effects: motor of the present invention, back and forth due to first and second
180 ° of bar phase phase difference, the vibration that the first and second reciprocating lever generates respectively can offset, noise also considerable decrease；And due to counterweight
Part is axially extending along drive shaft side direction, and then greatly reduces the height of entire shell.
Detailed description of the invention
Fig. 1 is schematic perspective view of the invention.
Fig. 2 is partial structure diagram of the invention.
Fig. 3 is schematic cross-sectional view of the invention.
Fig. 4 is the schematic perspective view of drive shaft.
Fig. 5 is the partial enlarged view in Fig. 3 at A.
Specific embodiment
Present invention is further described in detail with specific embodiment with reference to the accompanying drawing: a kind of referring to Fig. 1 to Fig. 5
High-speed cutting tool, including shell 100, rotation is provided with a drive shaft 1 in the shell 100, and the drive shaft 1 passes through electricity
Machine 101 drives it along central axis rotation, and the first cam 10 and the second cam 11 are provided in the drive shaft 1.Institute
It states 100 internal activity of shell and is provided with the first reciprocating lever 2 and the second reciprocating lever 3, by the first reciprocating lever 2 by first cam
10 and cutter mechanism 4 be sequentially connected, second cam 11 and balance weight mechanism 5 are sequentially connected by the second reciprocating lever 3.
First cam 10 and second cam 11 have a same shape, and setting direction on the contrary, so that
It obtains in drive shaft turns, 180 ° of the phase phase difference of the reciprocating motion of the reciprocating motion and cutter mechanism of balance weight mechanism, and then disappears
In addition to the out-of-balance force of the first reciprocating lever and the second reciprocating lever during exercise, smooth running, vibration are big when cutting tool being made to work
Big to reduce, noise also substantially reduces simultaneously.
The balance weight mechanism 5 includes first connecting rod 50, and the first connecting rod 50 passes through bearing and described second back and forth
One end of bar 3 is rotatably assorted, and the counterweight 51 being in the form of a column, institute are fixedly installed in the upper and lower ends of the first connecting rod 50
State the 52 activity cooperation of counterweight 51 and the sliding bearing being fixedly installed in the shell；The counterweight 51 is along drive shaft 1
Side direction is axially extending, and then greatly reduces the height (namely axial length of shell) of entire shell 100.
The cutter mechanism 4 includes a cutter shaft 40, is fixed with cutter by cutter holder 41 on the head of the cutter shaft 40
42, the tail end of the cutter shaft 40 is provided with screw hole, further includes a joint shaft 44, sets on the inner wall of 44 front end of joint shaft
It is equipped with a circle baffle ring 44a, is provided with thrust ball bearing 45 in the two sides of the baffle ring 44a, a cutter shaft connecting pin 43 passes through institute
It is screwed into the screw hole of the cutter shaft 40 after stating joint shaft 44, and the cutter shaft connecting pin 43 presses two thrust ball bearings 45
Tightly, the connection of the joint shaft 44 and the cutter shaft 40 is realized through the above way.Further, the shell 100 also wraps
Cutter holder guide sleeve 100a is included, is that the cutter holder 41 provides guiding by cutter holder guide sleeve 100a, to prevent cutter reciprocating cutting again
Shi Fasheng positional shift.
Coaxial perforation 46 is provided on the two sidewalls of the tail end of the joint shaft 44, in first reciprocating lever 2
It is rotatably assorted on the other end by bearing and the second connecting rod 47, and the upper and lower ends of the second connecting rod 47 are limited respectively in joint
In the perforation 46 being arranged on the two sidewalls of the tail end of axis 44, the joint shaft 44 and second connection are realized through the above way
The connection of bar 47.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments.Described in the above embodiment and specification in the application
It is the principle of the present invention, various changes and improvements may be made to the invention without departing from the spirit and scope of the present invention.On
Changes and improvements are stated to both fall in the range of claimed invention.
Claims (4)
1. a kind of high-speed cutting tool, including shell (100), rotation is provided with a drive shaft (1) in the shell (100),
The drive shaft (1) drives it along central axis rotation by motor (101), it is characterised in that: on the drive shaft (1)
Be provided with the first cam (10) and the second cam (11), the shell (100) internal activity be provided with the first reciprocating lever (2) and
First cam (10) and cutter mechanism (4) are sequentially connected by the second reciprocating lever (3) by the first reciprocating lever (2), by the
Second cam (11) and balance weight mechanism (5) are sequentially connected by two reciprocating levers (3)；First cam (10) and described second
Cam (11) has a same shape, and setting direction is on the contrary, so that in drive shaft turns, balance weight mechanism it is reciprocal
Move 180 ° of phase phase difference with the reciprocating motion of cutter mechanism；The balance weight mechanism (5) includes first connecting rod (50), described
First connecting rod (50) is rotatably assorted by one end of bearing and second reciprocating lever (3), in the first connecting rod (50)
Upper and lower ends be fixedly installed the counterweight (51) being in the form of a column, the counterweight (51) and be fixedly installed in the shell
Sliding bearing (52) activity cooperation and the counterweight (51) it is axially extending along drive shaft (1) side direction.
2. a kind of high-speed cutting tool as described in claim 1, it is characterised in that: the cutter mechanism (4) includes a cutter
Axis (40) is fixed with cutter (42) on the head of the cutter shaft (40) by cutter holder (41), the cutter shaft (40) and described
First reciprocating lever (2) connection.
3. a kind of high-speed cutting tool as claimed in claim 2, it is characterised in that: the tail end of the cutter shaft (40) is provided with
Screw hole further includes a joint shaft (44), a circle baffle ring (44a) is provided on the inner wall of the joint shaft (44) front end, in institute
The two sides for stating baffle ring (44a) are provided with thrust ball bearing (45), after a cutter shaft connecting pin (43) passes through the joint shaft (44)
It is screwed into the screw hole of the cutter shaft (40), and the cutter shaft connecting pin (43) compresses two thrust ball bearings (45)；Institute
It states and is provided with coaxial perforation (46) on the two sidewalls of the tail end of joint shaft (44), in the other end of first reciprocating lever (2)
It is upper to be rotatably assorted by bearing and the second connecting rod (47), and the upper and lower ends of the second connecting rod (47) are limited respectively in cutter shaft
(40) in the perforation (46) being arranged on the two sidewalls of tail end.
4. a kind of high-speed cutting tool as described in claim 1, it is characterised in that: the shell (100) further includes that cutter holder is led
It is that the cutter holder (41) provide guiding by cutter holder guide sleeve (100a) to set (100a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910463423.XA CN110064957A (en) | 2019-05-30 | 2019-05-30 | A kind of high-speed cutting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910463423.XA CN110064957A (en) | 2019-05-30 | 2019-05-30 | A kind of high-speed cutting tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110064957A true CN110064957A (en) | 2019-07-30 |
Family
ID=67372075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910463423.XA Pending CN110064957A (en) | 2019-05-30 | 2019-05-30 | A kind of high-speed cutting tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110064957A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2688429Y (en) * | 2003-12-11 | 2005-03-30 | 苏州宝时得电动工具有限公司 | Eccentric reciprocating mechanism of electric cutting saw |
| CN102430808A (en) * | 2011-12-09 | 2012-05-02 | 宁波捷美进出口有限公司 | Micro-vibration hand saw |
| CN202377610U (en) * | 2011-12-09 | 2012-08-15 | 宁波捷美进出口有限公司 | Micro-vibration panel saw |
| US20120291294A1 (en) * | 2011-05-18 | 2012-11-22 | Crystal Glass Canada Ltd. | Reciprocating power tool |
| CN202824852U (en) * | 2012-09-05 | 2013-03-27 | 宁波黑松工具有限公司 | Double-saw-blade reciprocating saw |
| CN108971628A (en) * | 2017-05-31 | 2018-12-11 | 博世电动工具（中国）有限公司 | Electric tool |
| CN210413679U (en) * | 2019-05-30 | 2020-04-28 | 陈永清 | High-speed cutting tool |
-
2019
- 2019-05-30 CN CN201910463423.XA patent/CN110064957A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2688429Y (en) * | 2003-12-11 | 2005-03-30 | 苏州宝时得电动工具有限公司 | Eccentric reciprocating mechanism of electric cutting saw |
| US20120291294A1 (en) * | 2011-05-18 | 2012-11-22 | Crystal Glass Canada Ltd. | Reciprocating power tool |
| CN102430808A (en) * | 2011-12-09 | 2012-05-02 | 宁波捷美进出口有限公司 | Micro-vibration hand saw |
| CN202377610U (en) * | 2011-12-09 | 2012-08-15 | 宁波捷美进出口有限公司 | Micro-vibration panel saw |
| CN202824852U (en) * | 2012-09-05 | 2013-03-27 | 宁波黑松工具有限公司 | Double-saw-blade reciprocating saw |
| CN108971628A (en) * | 2017-05-31 | 2018-12-11 | 博世电动工具（中国）有限公司 | Electric tool |
| CN210413679U (en) * | 2019-05-30 | 2020-04-28 | 陈永清 | High-speed cutting tool |
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