CN109015847A - A kind of vibration at high speed knife - Google Patents
A kind of vibration at high speed knife Download PDFInfo
- Publication number
- CN109015847A CN109015847A CN201811013911.2A CN201811013911A CN109015847A CN 109015847 A CN109015847 A CN 109015847A CN 201811013911 A CN201811013911 A CN 201811013911A CN 109015847 A CN109015847 A CN 109015847A
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- China
- Prior art keywords
- connecting rod
- bearing
- camshaft
- vibration
- high speed
- 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
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- 238000005520 cutting process Methods 0.000 claims abstract description 42
- 230000008878 coupling Effects 0.000 claims abstract description 10
- 238000010168 coupling process Methods 0.000 claims abstract description 10
- 238000005859 coupling reaction Methods 0.000 claims abstract description 10
- 210000003746 feather Anatomy 0.000 claims abstract description 4
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 5
- 239000004744 fabric Substances 0.000 description 4
- 239000010985 leather Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 239000000123 paper Substances 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- 208000019300 CLIPPERS Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 208000021930 chronic lymphocytic inflammation with pontine perivascular enhancement responsive to steroids Diseases 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003698 laser cutting Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/08—Means for treating work or cutting member to facilitate cutting
- B26D7/086—Means for treating work or cutting member to facilitate cutting by vibrating, e.g. ultrasonically
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/06—Means for converting reciprocating motion into rotary motion or vice versa
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Mechanical Engineering (AREA)
- Harvester Elements (AREA)
Abstract
The invention discloses a kind of vibration at high speed knives, including motor, connecting flange, shell, shaft coupling, cam assembly, the link assembly contacted with camshaft, connecting rod base etc..The cam assembly is made of camshaft and spring bearing etc., and wherein the axial sectional cross section in cam of camshaft portion is a special geometry.The link assembly is made of parts such as connecting rod, bearing and springs, and the other end can install cutting blade, and outer circle is equipped with feather key.The connecting rod set is arranged in outside connecting rod, the radial freedom degree for limiting rod.The camshaft axial section of drive link is a special shape, connecting rod can be made to carry out multiple vibration at high speed in one week range of motor rotation, reduce the requirement of motor, and lever structure is simple, failure rate is low, can be non-maintaining within the normal duty cycle, improves production efficiency, cost has been saved, cutter life is extended.
Description
Technical field
The present invention relates to a kind of cutter arrangement, in particular to a kind of vibration at high speed knife is applied to leather, cloth, papery etc.
Material cuts field.
Background technique
With the development of society, people are also higher and higher to the customization requirement of product.This customization is also not only pair
The requirement of product itself, it is also harsher simultaneously for the timeliness that obtain product after clear demand, cutting field not yet
Exception.Meets the needs of rapid customization in market, for the flexible degree of equipment, cutting accuracy, reliability etc.
Propose very high requirement.The prior art mainly uses hand cut, cutter die cutting to the cutting of the materials such as leather, cloth, papery
The modes such as cut, be cut by laser, it is more demanding for operator's level of skill using electric clippers or hand cutting, and cutting efficiency
It is low;Cutting die cutting mode needs a large amount of cutting die investment, can not adapt to the demand of user's customization;Laser cutting is in cutting cladding
Toxic and harmful gas can be generated in the process, and can be clearly visible oxide regions in cutting part, influence appearance.
In addition to above-mentioned cutting mode, cutting mode newer at present is to be cut using vibrating blade, and cutting tool is adopted
With pneumatically or electrically driving, cutter generates axial high-frequency vibration under the drive of knife bar, and simultaneity factor makes cutter by presetting
Good program is cut.It is soft since the shape of such cutting mode cutting can be changed by program setting and arbitrarily in advance
Property degree is very high, conveniently adapts to the demand of various customization.In the good situation of equipment performance, cutting speed and cutting
Precision is all up to a satisfied degree, and is generated in cutting process without toxic and harmful gas, therefore more and more extensive
It is applied on ground.
On traditional cutter head, for the vibration at high speed for realizing cutting tool, plain connecting rod is passed through using high-speed motor
Mechanism drive leader is of reciprocating vibration, leads to the cost increase of motor and failure rate is higher.
Summary of the invention
The technical problem to be solved by the present invention is to overcome the vibration at high speed to realize cutting tool, are passed through using high-speed motor
Plain connecting rod mechanism drive leader is of reciprocating vibration, leads to the cost increase of motor and the higher defect of failure rate, therefore provide one
Kind camshaft mode is used, rotated a circle the vibration cutter mechanism that can be repeatedly moved back and forth in range in motor, to solve
The above problem.
To achieve the above object, the invention provides the following technical scheme: a kind of vibration at high speed knife, including motor, it is entire
One end of the power source of tooling system, motor is fixed on an end face of shell by screw one and connecting flange, the horse
Camshaft inside housings is connected and fixed by shaft coupling up to one end, its power of motor rotation is transmitted to camshaft through shaft coupling
On, camshaft rotation is driven, one end of camshaft connects bearing one, and axis use is cased between one end and shaft coupling of middle (center) bearing one
Circlip one, the other end of the camshaft connect bearing two, and circlip for shaft two, the bullet are installed in one end of bearing two
One end of property retaining ring two is provided with end cover, and the lower end cam outer circle of the camshaft and the bearing top circle of bearing three closely connect
Touching, makes camshaft during rotation, and the rotary motion of camshaft can be converted to the axial high speed vibration of connecting rod, described
Bearing three passes through axis and the bottom end of bearing three is connect with the connecting rod being mounted on inside connecting rod base, the both ends of the bearing three and axis
It is cased with circlip for shaft three and circlip for shaft four respectively, the small end is equipped with briquetting, is used for fixing bearing three
Support shaft is provided with guide key groove on the inner wall of the connecting rod base, for being matched with the feather key installed in connecting rod outer circle,
The unwanted rotary motion in the normal course of work for limiting rod, it is ensured that cutting accuracy is cased on the connecting rod
Spring pushes bearing three and camshaft outer circle on connecting rod to be in close contact, and guarantees fast after actuated by cams connecting rod moves downward
Reply immediately position, spring lower section and be located at connecting rod on be cased with connecting rod set, for the axial position of limited spring, in the bottom end of connecting rod
Cutting tool is installed, connecting rod vibration drives cutting tool to generate vibration, realizes the cutting to object, and the connecting rod base passes through spiral shell
Nail two is fixedly connected with the casing, and the bottom both ends of the connecting rod base are equipped with screw three, and outside the outer surface of connecting rod base is cased with
Set.
As a preferred technical solution of the present invention, the top outer circle and outer casing inner wall of the connecting rod are equipped with self-lubricating
Sliding bearing one is equipped with self-lubricating plain bearing two between the lower part outer circle and outer casing inner wall of the connecting rod, is carrying out high speed
It ensure that kinematic accuracy and system rigidity when vibration, the radial direction in cutting process can be effectively born in the case where ensuring precision
Power, and realize it is non-maintaining, improve reliability, extend the service life.
As a preferred technical solution of the present invention, the bearing one, bearing two and bearing three are rolling bearing, and
The axial displacement of bearing is limited by circlip for shaft, bearing three is rotatable bearing, and three bearing of bearing passes through bullet
Spring is tightly pressed against on camshaft, it is ensured that camshaft can be converted the rotary motion of camshaft by the connecting-rod bearing in rotary course
For the axially reciprocating of connecting rod.
As a preferred technical solution of the present invention, one end of the connecting rod is provided with Cutting tool installation manner groove, and slot is provided with
Cutting tool reduces installation error, and improves system rigidity.
As a preferred technical solution of the present invention, the cam part axial direction sectional cross section of the camshaft is one oval or close
The special shape of triangle, can the high speed vibration of drive link progress twice or more than twice in the range of motor rotation one is enclosed
It is dynamic.
As a preferred technical solution of the present invention, non-maintaining sliding is installed among the connecting rod base and connecting rod
Bearing, for guaranteeing the fit clearance between connecting rod and housing and preventing wear-out failure.
Compared with current technology, the beneficial effects of the present invention are: being rotated using motor-driven cam axis, rotating through
Cam of camshaft part drive link carries out vibration at high speed in journey, and drives cutting tool to carry out vibration at high speed by connecting rod.It is logical
The vibration at high speed of cutting tool is crossed, rapidly leather, cloth, paper material etc. can be cut as required, by will be convex
The cam position of wheel shaft is set as a special shape, and connecting rod can be made to carry out repeatedly high speed in one week range of motor rotation and shaken
It is dynamic, the requirement to motor rotary speed is reduced, and lever structure is simple, it is non-maintaining within the normal duty cycle, improve life
Efficiency is produced, cost has been saved, has extended cutter life.
Detailed description of the invention
Attached drawing is used to provide further understanding of the present invention, and constitutes part of specification, with reality of the invention
It applies example to be used to explain the present invention together, not be construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of the invention patent;
Fig. 2 is one of the axial cross-sectional structure schematic diagram of the invention patent camshaft part;
Fig. 3 is the two of the axial cross-sectional structure schematic diagram of the invention patent camshaft part;
In figure: 1, circlip for shaft one;2, shell;3, bearing two;4, circlip for shaft two;5, end cover;6, cam
Axis;7, bearing three;8, briquetting;9, axis;10, circlip for shaft three;11, self-lubricating plain bearing one;12, connecting rod;13, it is oriented to
Key;14, spring;15, connecting rod set;16, self-lubricating plain bearing two;17, screw three;18, housing;19, cutting tool;20, axis
With circlip four;21, connecting rod base;22, screw two;23, bearing one;24, connecting flange;25, shaft coupling;26, screw one;
27, motor.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments, is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, the present invention provides a kind of technical solution: a kind of vibration at high speed knife, including motor 27 are entire cutter
One end of the power source of system, motor 27 is fixed on an end face of shell 2 by screw 1 and connecting flange 24, described
27 one end of motor is fastened on the camshaft 6 inside shell 2 by shaft coupling 25, and motor 27 rotates its power through shaft coupling 25
It is transmitted on camshaft 6, camshaft 6 is driven to rotate, one end of camshaft 6 connects bearing 1, one end of middle (center) bearing 1
It is cased with circlip for shaft 1 between shaft coupling 25, the other end of the camshaft 6 connects bearing 23, and the one of bearing 23
End installation circlip for shaft 24, one end of the circlip 24 is provided with end cover 5, the lower end of the camshaft 6
The bearing top circle of cam outer circle and bearing 37 is in close contact, and makes camshaft 6 during rotation, can be by the rotation of camshaft 6
Transhipment turn is changed to the axial high speed vibration of connecting rod 12, and the bearing 37 passes through bottom end and the company of being mounted on of axis 9 and bearing 37
Connecting rod 12 inside pole socket 21 connects, and the both ends of the bearing 37 and axis 9 are cased with circlip for shaft 3 10 and axis bullet respectively
Property retaining ring 4 20, one end of the axis 9 connects briquetting 8, guide key groove is provided on the inner wall of the connecting rod base 21, for
The feather key 13 installed in 12 outer circle of connecting rod matches, and is used for the unwanted rotation in the normal course of work of limiting rod 12
Movement, it is ensured that cutting accuracy is cased with spring 14 on the connecting rod 12, pushes bearing 37 and 6 outer circle of camshaft on connecting rod 12
Be in close contact, and guarantee the Rapid reset after 6 drive link 12 of camshaft moves downward, spring 14 lower section and be located at connecting rod
It is cased with connecting rod set 15 on 12, for the radial freedom degree of limiting rod 12, cutting tool 19 is installed in the bottom end of connecting rod 12, even
The vibration of bar 12 drives cutting tool 19 to generate vibration, realizes the cutting to object, and the connecting rod base 21 passes through screw 2 11 and shell
Body 2 is fixedly connected, and the bottom both ends of the connecting rod base 21 are equipped with screw 3 17, and are cased with housing in the outer surface of connecting rod base 21
18。
The top outer circle and 18 inner wall of housing of the connecting rod 12 are equipped with self-lubricating plain bearing 1, the connecting rod 12
Self-lubricating plain bearing 2 16 is installed between 18 inner wall of lower part outer circle and housing, ensure that movement essence when carrying out vibration at high speed
Degree and system rigidity, can effectively bear the radial force in cutting process in the case where ensuring precision, and realize non-maintaining, raising
Reliability extends the service life.
The bearing 1, bearing 23 and bearing 37 are rolling bearing, and limit bearing by circlip for shaft
Axial displacement, bearing 33 is rotatable bearing, and 33 bearing of bearing is tightly pressed against on camshaft 6 by spring 14,
Ensure that camshaft 6 is transported in rotary course by the axial reciprocating that the rotary motion of camshaft can be converted to connecting rod by the connecting-rod bearing
It is dynamic.
One end of the connecting rod 12 is provided with Cutting tool installation manner groove, and slot is provided with cutting tool 19, reduces installation error, and
Improve system rigidity.
The cam part axial direction sectional cross section of the camshaft 6 is the special shape of an oval or nearly triangle, in motor rotation
It can the vibration at high speed of drive link progress twice or more than twice in the range of one circle.
Non-maintaining sliding bearing is installed among the connecting rod base 21 and connecting rod 12, for guarantee connecting rod and housing it
Between fit clearance and prevent wear-out failure.
It is rotated using motor-driven cam axis, cam of camshaft part drive link carries out high speed in rotary course
Vibration, and vibration at high speed is carried out by connecting rod band cutting blade.By the vibration at high speed of blade, can rapidly to leather, cloth,
Paper material etc. is cut as required.
On traditional cutter head, for realize blade vibration at high speed, be equipped with high-speed motor, cause motor at
This rising and there is higher failure rate, it, can be in motor rotation by setting a special shape for the cam position of camshaft
So that connecting rod is carried out multiple vibration at high speed in one week range, reduces the requirement to motor rotary speed, and lever structure is simple,
It is non-maintaining in the normal duty cycle, production efficiency is improved, cost has been saved, extends cutter life.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features,
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (6)
1. one end of a kind of vibration at high speed knife, including motor, motor is fixed on the one of shell by screw one and connecting flange
On end face, which is characterized in that described motor one end is connected and fixed camshaft inside housings by shaft coupling, and the one of camshaft
End connection bearing one, is cased with circlip for shaft one between one end and shaft coupling of middle (center) bearing one, the camshaft it is another
Circlip for shaft two is installed in end connection bearing two, one end of bearing two, and one end of the circlip two is provided with sealed end
Lid, the lower end cam outer circle of the camshaft and the bearing top circle of bearing three are in close contact, and the bearing three passes through axis and bearing
Three bottom end is connect with the connecting rod being mounted on inside connecting rod base, and the both ends of the bearing three and axis are cased with circlip for shaft respectively
Three and circlip for shaft four, one end of the axis connects briquetting, and guide key groove is provided on the inner wall of the connecting rod base, uses
Matched in the feather key installed in connecting rod outer circle, be cased with spring on the connecting rod, spring lower section and be located at connecting rod on
It is cased with connecting rod set, cutting tool is installed in the bottom end of connecting rod, the connecting rod base is fixedly connected with the casing by screw two, described
The bottom both ends of connecting rod base are equipped with screw three, and are cased with housing in the outer surface of connecting rod base.
2. a kind of vibration at high speed knife according to claim 1, which is characterized in that in the top outer circle and housing of the connecting rod
Wall is equipped with self-lubricating plain bearing one, is equipped with self-lubricating plain bearing between the lower part outer circle and outer casing inner wall of the connecting rod
Two.
3. a kind of vibration at high speed knife according to claim 1, which is characterized in that the bearing one, bearing two and bearing three
It is rolling bearing, and limits the axial displacement of bearing by circlip for shaft.
4. a kind of vibration at high speed knife according to claim 2, which is characterized in that one end of the connecting rod is provided with cutter peace
Tankage, slot are provided with cutting tool.
5. a kind of vibration at high speed knife according to claim 1, which is characterized in that the cam part axial direction parting of the camshaft
Face is the special shape of an oval or nearly triangle.
6. a kind of vibration at high speed knife according to claim 1, which is characterized in that installed among the connecting rod base and connecting rod
There is non-maintaining sliding bearing.
Priority Applications (1)
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CN201811013911.2A CN109015847A (en) | 2018-08-31 | 2018-08-31 | A kind of vibration at high speed knife |
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CN201811013911.2A CN109015847A (en) | 2018-08-31 | 2018-08-31 | A kind of vibration at high speed knife |
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CN109015847A true CN109015847A (en) | 2018-12-18 |
Family
ID=64622689
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CN201811013911.2A Pending CN109015847A (en) | 2018-08-31 | 2018-08-31 | A kind of vibration at high speed knife |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110771993A (en) * | 2019-10-31 | 2020-02-11 | 佛山市顺德区盈毅鞋业有限公司 | Computer cutting and sandal edge covering process |
CN111906832A (en) * | 2020-09-01 | 2020-11-10 | 何新勇 | A multifunctional tool drive structure for processing flexible materials |
CN114135283A (en) * | 2021-10-28 | 2022-03-04 | 黑龙江科技大学 | A multi-amplitude axial excitation coal and rock crushing mechanism |
CN116000981A (en) * | 2023-01-09 | 2023-04-25 | 宁波经纬数控股份有限公司 | An external three-stroke high-frequency vibration cutting tool |
CN116061239A (en) * | 2023-01-09 | 2023-05-05 | 宁波经纬数控股份有限公司 | Built-in three-stroke high-frequency vibration cutting tool |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2399615B (en) * | 2003-03-21 | 2006-03-15 | Black & Decker Inc | Vibration reduction apparatus for power tool and power tool incorporating such apparatus |
CN201519973U (en) * | 2009-09-21 | 2010-07-07 | 东莞市爱玛数控科技有限公司 | Electric knife |
CN201913673U (en) * | 2010-12-30 | 2011-08-03 | 杭州爱科科技有限公司 | High-frequency vibrator for cutting machine |
CN202528150U (en) * | 2012-03-27 | 2012-11-14 | 贵州科学院 | Multifunctional frequency-conversion impact type electric tool |
CN206408252U (en) * | 2017-01-20 | 2017-08-15 | 广州喜和喜精密科技有限公司 | A kind of vibration at high speed knife |
CN206416211U (en) * | 2016-12-22 | 2017-08-18 | 刘钢 | A kind of electric vibrator knife |
-
2018
- 2018-08-31 CN CN201811013911.2A patent/CN109015847A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2399615B (en) * | 2003-03-21 | 2006-03-15 | Black & Decker Inc | Vibration reduction apparatus for power tool and power tool incorporating such apparatus |
CN201519973U (en) * | 2009-09-21 | 2010-07-07 | 东莞市爱玛数控科技有限公司 | Electric knife |
CN201913673U (en) * | 2010-12-30 | 2011-08-03 | 杭州爱科科技有限公司 | High-frequency vibrator for cutting machine |
CN202528150U (en) * | 2012-03-27 | 2012-11-14 | 贵州科学院 | Multifunctional frequency-conversion impact type electric tool |
CN206416211U (en) * | 2016-12-22 | 2017-08-18 | 刘钢 | A kind of electric vibrator knife |
CN206408252U (en) * | 2017-01-20 | 2017-08-15 | 广州喜和喜精密科技有限公司 | A kind of vibration at high speed knife |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110771993A (en) * | 2019-10-31 | 2020-02-11 | 佛山市顺德区盈毅鞋业有限公司 | Computer cutting and sandal edge covering process |
CN111906832A (en) * | 2020-09-01 | 2020-11-10 | 何新勇 | A multifunctional tool drive structure for processing flexible materials |
CN114135283A (en) * | 2021-10-28 | 2022-03-04 | 黑龙江科技大学 | A multi-amplitude axial excitation coal and rock crushing mechanism |
CN116000981A (en) * | 2023-01-09 | 2023-04-25 | 宁波经纬数控股份有限公司 | An external three-stroke high-frequency vibration cutting tool |
CN116061239A (en) * | 2023-01-09 | 2023-05-05 | 宁波经纬数控股份有限公司 | Built-in three-stroke high-frequency vibration cutting tool |
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