CN108526383A - A kind of cold headers material cutting mechanism - Google Patents
A kind of cold headers material cutting mechanism Download PDFInfo
- Publication number
- CN108526383A CN108526383A CN201810209084.8A CN201810209084A CN108526383A CN 108526383 A CN108526383 A CN 108526383A CN 201810209084 A CN201810209084 A CN 201810209084A CN 108526383 A CN108526383 A CN 108526383A
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- CN
- China
- Prior art keywords
- cutter
- crank
- spring
- push rod
- cold headers
- 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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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K27/00—Handling devices, e.g. for feeding, aligning, discharging, Cutting-off means; Arrangement thereof
- B21K27/06—Cutting-off means; Arrangements thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K1/00—Making machine elements
- B21K1/44—Making machine elements bolts, studs, or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K1/00—Making machine elements
- B21K1/64—Making machine elements nuts
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
The present invention relates to a kind of cold headers material cutting mechanism, including driving mechanism, slider-crank mechanism, cam mechanism, cutter resetting-mechanism and bed piece.Cold headers material cutting mechanism of the present invention has reliability and security well, while the parts provided a convenient replace performance, add somewhat to the cold headers service life.Using simple beam structure as cutter resetting-mechanism, can ensure significantly due to Deformation Member caused by stress problem in frequent cutter reseting procedure, while this mechanism also assures the symmetry of stress.Using bent axle, eccentric gear crank again can ensure under single input driving force, and driving force can act on different stations, and each station is enable to work in coordination.
Description
Technical field
The present invention relates to a kind of cold headers material cutting mechanisms, belong to machinery manufacturing technology field.
Background technology
Cold headers are a kind of using upsetting as the special equipment of the fasteners such as the special batch production nut of major way, bolt.
The material cutting mechanism of cold headers functionally can generally be decomposed into three parts, the driving mechanism of driving cutter cutting, by driving force
The transmission mechanism of transmission and the cutter for realizing blank.Driving force is transferred to transmission mechanism by driving mechanism, and cutter receives biography
The power passed completes blank cutting.Wherein transmission mechanism is extremely important, has been largely fixed the result of cutting.Existing skill
In art, by manual control feed length, cause the work unreliability in machining very big, and not due to cam mechanism
Reasonable employment, noise is larger when mechanism being caused to work.
Invention content
In view of the defects existing in the prior art, the object of the present invention is to provide a kind of cold headers material cutting mechanism, work is more
Reliably, driving force energy stable delivery and rotational noise reduce.
To achieve the above object, the present invention uses following technical proposals：
A kind of cold headers material cutting mechanism, including driving mechanism, slider-crank mechanism, cam mechanism, cutter resetting-mechanism and machine
Bed lathe bed, the driving mechanism include motor wheel, belt, bull wheel and bent axle, and the motor wheel connects bull wheel by belt, described
Bent axle one end connects the axis of bull wheel, and the other end is connect with eccentric gear crank；The slider-crank mechanism includes eccentric gear song
Handle, connecting rod and cutter push rod, the bed piece are fixed, and the eccentric gear crank is connect with bed piece by revolute pair,
Eccentric gear crank is constrained with connecting rod by revolute pair, and connecting rod is connect with cutter push rod by a pair of of revolute pair, and cutter push rod is set
In the push rod slot of bed piece, it is connect by a pair of of prismatic pair with bed piece；The cam mechanism includes wedge block, cutter
Pilot sleeve and cutter, the cutter push rod, by being bolted, ensure that cutter is led between the two without relative displacement with wedge block
It is fixed on bed piece to sleeve, cutter push rod belongs to translating cam, and during blank, cutter push rod drives wedge block will
Cutter is ejected along the axis direction of cutter pilot sleeve, realizes blank action；The cutter resetting-mechanism include spring spool,
Boom part, attachment device, simply supported beam and spring are pushed up, the spring is mounted in spring spool, and by pushing up boom part and freely-supported
Beam combines, and simply supported beam is connected by cutter attachment device with cutter, in reseting procedure, by the bullet for being fixed on bed piece
Cutter is pressed on wedge block by the spring force that spring is provided, and reverse work on realization cutter top.
The spring spool is equipped with into outlet preformed hole.It is clearance fit between the spring spool and top boom part.
The top boom part is connect with simply supported beam without any mode, the active force and wedge block only provided cutter by spring
The reaction force provided cutter comes fixed cutting tool position.
Compared with prior art, the present invention has the advantage that：
Cold headers material cutting mechanism of the present invention has flexibly used this mechanical mechanism of crank block as transmission mechanism.Motor exports
Torque be transmitted at big belt pulley by belt, have low-speed big.Torque is transmitted to slider-crank mechanism via bent axle
Place, wherein bent axle is fixed on cold-heading box body.The Slipper of slider-crank mechanism stretches cutter by wedge block to push up, cutter
It completes to playback by spring force.
In entire mechanism, the present invention integrally devises crank section and the transmission gear part of crank block.Its
In, the torque of motor output is transmitted to trunnion end by bent axle, and end connection gear and slider-crank mechanism, gear are used for
Connect other feed mechanism.Using eccentric mechanism principle, it is the same part to make the crank in gear and slider-crank mechanism.
The crank of slider-crank mechanism can in this way rotated identical as gear velocity of rotation.And ratio can be engaged by controlling gear
It controls the speed of feed mechanism, so that material cutting mechanism is moved with feed mechanism and match.
In entire mechanism, the present invention transmits torque using bent axle, and the connecting rod neck portion of such bent axle can be used to connect upsetting
Mold mechanism.End connects eccentric gear crank, and a part of driving force transmitted by gear engaged transmission is used for controlling feeder
Structure transmits another part power to control material cutting mechanism by slider-crank mechanism.The each station of cold headers can be made mutual in this way
It cooperates, and only needs all stations can be driven to work by a driving force.
Finally, in cutter part, the Slipper of crank block installs wedge block, when slide block movement to crank and connecting rod
It is overlapped during collinear position, wedge block will push cutter to be fed along its axis direction, carry out blank.After the completion of blank, crank
What slide block mechanism continued to move to crank and connecting rod stretches collinear position, and at this time cutter should be close to wedge block to complete to playback,
The present invention completes cutter reset using spring force to make cutter be close to wedge block.Using a pair of of spring, respectively symmetrically be located at
Both sides above and below cutter, and spring force is transmitted using simple beam structure.The both ends support force of wherein simply supported beam comes from spring, spring
One end is used for connecting with beam, and the other end is then connected in babinet.Simply supported beam middle section is connected with cutter, in this way can be with
Steadily cutter is made to be tightly attached on wedge block, simply and reliablely completes the straight reciprocating motion of cutter, and easy to maintain.
Description of the drawings
Fig. 1 is specific embodiment of the invention material cutting mechanism structure diagram.
Fig. 2 is specific embodiment of the invention cold headers cutoff device structural schematic diagram.
Fig. 3 is specific embodiment of the invention cutter resetting-mechanism front view.
Fig. 4 is specific embodiment of the invention cutter resetting-mechanism left view.
Fig. 5 is specific embodiment of the invention cutter resetting-mechanism vertical view.
Wherein：1- motor wheel 2- belt 3- bull wheel 4- bent axle 5- cutter 6- cutter pilot sleeve 7- spring spools
8- pushes up boom part 9- cutter attachment device 10- simply supported beam 11- cutter push rod 12- connecting rod 13- eccentric gear crank 14- bullets
Spring 15- wedge block 16- bed pieces.
Fig. 6 is that shell scheme of installation is protected in specific embodiment of the invention cutter part.
Specific implementation mode
The preferred embodiment of the present invention is described in detail below in conjunction with attached drawing.
As shown in Figure 1, the present embodiment provides a kind of cold headers material cutting mechanism, simply described by structural scheme of mechanism method
The operation logic of the material cutting mechanism.Slider-crank mechanism is acted on by motor output torque first, is rotated.Torque is via even
Bar is decomposed into the power of the progress straight reciprocating motion of Slipper.Slipper then connects wedge block, is formed with mandril, that is, cutter
Cam mechanism, wherein wedge block are cam, and cutter is mandril.After movement is stretched on mandril completion top, pass through the bullet connected on mandril
The spring force that spring provides goes back to mandril top, realizes the reset of cutter, stretches and prepares for top next time.
As shown in Figures 2 to 5, a kind of cold headers material cutting mechanism, including driving mechanism, slider-crank mechanism, cam mechanism,
Cutter resetting-mechanism and bed piece 16, which is characterized in that the driving mechanism includes motor wheel 1, belt 2, bull wheel 3 and song
Axis 4, the motor wheel 1 connect bull wheel 3 by belt 2, and 4 one end of the bent axle connects the axis of bull wheel 3, the other end and eccentric gear
Crank 13 connects；The slider-crank mechanism includes eccentric gear crank 13, connecting rod 12 and cutter push rod 11, the bed piece
16 fix, and the eccentric gear crank 13 is connect with bed piece 16 by revolute pair, and eccentric gear crank 13 is logical with connecting rod 12
Revolute pair constraint is crossed, connecting rod 12 is connect with cutter push rod 11 by a pair of of revolute pair, and cutter push rod 11 is placed in bed piece 16
In push rod slot, it is connect by a pair of of prismatic pair with bed piece 16；The cam mechanism includes wedge block 15, cutter pilot sleeve
6 and cutter 5, the cutter push rod 11, by being bolted, ensures that, between the two without relative displacement, cutter is oriented to wedge block 15
Sleeve 6 is fixed on bed piece 16, and cutter push rod 11 belongs to translating cam, and during blank, cutter push rod 11 drives wedge
Shape block 15 ejects cutter 5 along the axis direction of cutter pilot sleeve 6, realizes blank action；The cutter resetting-mechanism packet
Spring spool 7, top boom part 8, attachment device 9, simply supported beam 10 and spring 14, the spring 14 is included to be mounted in spring spool 7,
And combined with simply supported beam 10 by pushing up boom part 8, simply supported beam 10 is connected by cutter attachment device 9 with cutter 5, is being resetted
Cutter 5 is pressed on wedge block 15 by Cheng Zhong, the spring force that the spring 14 by being fixed on bed piece 16 is provided, and realizes cutter
Reverse work on 5 tops.
In drive part, 1 output torque of motor wheel is transmitted to by belt 2 at bull wheel 3, then by bent axle 4 continue by
Power is transmitted, until at the eccentric gear crank 13 of 4 end of crank.The connecting rod neck portion of bent axle 4 can be used to connect cold headers
Upsetting mold device, eccentric gear crank 13 can transmit torque to the feed device of cold headers by gear engagement, while can
To transmit torque to cam mechanism by crank section, wedge block 15 controls cutter 5 and feeds blank, wherein in cam mechanism,
Cutter push rod 11 is equivalent to cam, and cutter 5 is equivalent to mandril.
It should be noted that cutter resetting-mechanism as shown in Figure 3, wherein spring spool 7 will have into outlet preformed hole, this
Sample, even if being unlikely to cause unnecessary compressed air to do work because air can not be discharged, leads to motor when blank is processed
The unnecessary waste of torque and generation amount of heat damage mechanism.It is clearance fit between spring spool 7 and top boom part 8,
Top boom part 8 is connect with simply supported beam 10 without any mode, the active force and wedge shape only provided to cutter 5 by spring 14
The reaction force that block 15 provides cutter 5 comes 5 position of fixed cutting tool.
In the example installation of cold-heading rounding machine cutter resetting-mechanism, in order to ensure the material cutting mechanism frequently moved will not be hurt
Staff or the entrance for preventing some impurity, the position are protected there are one dismountable babinet, the installation of the babinet
Schematic diagram is as shown in Figure 6.This babinet simultaneously after being worn convenient for slot safeguard by the push rod slot as cutter push rod 11, detachability.
The specific installation process of apparatus of the present invention is described as follows：
The first step needs spring spool 7 being fixed on bed piece 16 by eight fastening screws, ensures the two without phase
To displacement, then spring 14 is put into wherein.
Second step installs cutter pilot sleeve 6 to bed piece 16, and cutter 5 is inserted into cutter pilot sleeve 6
It is interior.
Third walks, and the box portion for the protection babinet for preventing dust is installed by fastening screw to bed piece 16.
4th step is inserted into protection babinet after being connected with the cutter push rod 11 in slider-crank mechanism with wedge block 15
In interior push rod slot, and reasonable placement makes it withstand cutter 5.At this time it is noted that the company of cutter push rod 11 and crank block
Bar 12 does not connect temporarily.
Cutter attachment device 9 is connect by the 5th step with cutter 5.After connection, the protection babinet for preventing dust is covered
Lid section, and fastening screw is used, it is fastenedly connected with box portion.
Top boom part 8 is put into spring spool 7, then covers simply supported beam 10 in the end of top boom part 8 by the 6th step
Place.Because mentioning cutter push rod 11 in step 4 not connect with the connecting rod 12 of crank block, cutter push rod 11 can be in its work
Make to move freely on direction, by adjusting the position of cutter push rod 11, and cutter 5 is adjusted to reset state, can used at this time
Hand fixes cutter attachment device 9, can be fastenedly connected well with simply supported beam 10 by fastening screw.
7th step, the connecting rod 12 of connection cutter push rod 11 and crank block.
The cold headers material cutting mechanism for designing and connecting by this kind of mode has good reliability.Meanwhile it providing
Convenient parts replace performance, add somewhat to the cold headers service life.The anti-gray installed on cold headers bed piece
The protection shell of dirt also can guarantee the safety of operating personnel to a certain extent, at the same exist again with material cutting mechanism it is good mutually
Cooperation.Using simple beam structure as cutter resetting-mechanism, can ensure significantly in frequent cutter reseting procedure due to stress
Deformation Member caused by problem, and ensure that the symmetry of stress.Use bent axle, eccentric gear crank can ensure again
Under single input driving force, driving force can act on different stations, and each station is enable to work in coordination.This cold headers
Material cutting mechanism can be applied not only to the blank process of cold headers, moreover it is possible to the machining tool similar suitable for other.
Claims (4)
1. a kind of cold headers material cutting mechanism, including driving mechanism, slider-crank mechanism, cam mechanism, cutter resetting-mechanism and
Bed piece（16）, which is characterized in that the driving mechanism includes motor wheel（1）, belt（2）, bull wheel（3）And bent axle（4）, institute
State motor wheel（1）Pass through belt（2）Connect bull wheel（3）, the bent axle（4）One end connects bull wheel（3）Axis, the other end with it is eccentric
Gear crank（13）Connection；The slider-crank mechanism includes eccentric gear crank（13）, connecting rod（12）With cutter push rod（11）,
The bed piece（16）It is fixed, the eccentric gear crank（13）With bed piece（16）It is connected by revolute pair, eccentric tooth
Wheel crank（13）With connecting rod（12）It is constrained by revolute pair, connecting rod（12）With cutter push rod（11）It is connected by a pair of of revolute pair,
Cutter push rod（11）It is placed in bed piece（16）Push rod slot in, with bed piece（16）It is connected by a pair of of prismatic pair；It is described
Cam mechanism includes wedge block（15）, cutter pilot sleeve（6）And cutter（5）, the cutter push rod（11）With wedge block（15）
By being bolted, ensure between the two without relative displacement, cutter pilot sleeve（6）It is fixed on bed piece（16）On, cutter
Push rod（11）Belong to translating cam, during blank, cutter push rod（11）Drive wedge block（15）By cutter（5）Along cutter
Pilot sleeve（6）Axis direction ejection, realize blank action；The cutter resetting-mechanism includes spring spool（7）, top boom
Part（8）, attachment device（9）, simply supported beam（10）And spring（14）, the spring（14）Mounted on spring spool（7）In, and pass through
Push up boom part（8）With simply supported beam（10）Combination, simply supported beam（10）Pass through cutter attachment device（9）With cutter（5）It is connected, multiple
During position, by being fixed on bed piece（16）Spring（14）The spring force provided is by cutter（5）It is pressed in wedge block
（15）On, realize cutter（5）Reverse work on top.
2. a kind of cold headers material cutting mechanism according to claim 1, which is characterized in that the spring spool（7）It is equipped with
Into outlet preformed hole.
3. a kind of cold headers material cutting mechanism according to claim 1, which is characterized in that the spring spool（7）It is stretched with top
Rod piece（8）Between be clearance fit.
4. a kind of cold headers material cutting mechanism according to claim 1, which is characterized in that the top boom part（8）With freely-supported
Beam（10）It is connected without any mode, only passes through spring（14）To cutter（5）The active force and wedge block of offer（15）It is right
Cutter（5）The reaction force of offer carrys out fixed cutting tool（5）Position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810209084.8A CN108526383A (en) | 2018-03-14 | 2018-03-14 | A kind of cold headers material cutting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810209084.8A CN108526383A (en) | 2018-03-14 | 2018-03-14 | A kind of cold headers material cutting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108526383A true CN108526383A (en) | 2018-09-14 |
Family
ID=63483895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810209084.8A Pending CN108526383A (en) | 2018-03-14 | 2018-03-14 | A kind of cold headers material cutting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108526383A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111085648A (en) * | 2020-01-17 | 2020-05-01 | 东莞市泰基山机械设备有限公司 | Novel cold header |
| CN114029423A (en) * | 2021-12-14 | 2022-02-11 | 广东泰基科技有限公司 | High-speed cold heading machine |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1013078A1 (en) * | 1981-12-21 | 1983-04-23 | Липецкий политехнический институт | Cutting off mechanism to cold upsetting automatic machine |
| JP2001113341A (en) * | 1999-10-19 | 2001-04-24 | Tookoo:Kk | Cuter and carrier of wire added to header type heading machine, and header type heading machine |
| CN201020510Y (en) * | 2007-04-04 | 2008-02-13 | 济南顺达钢球设备有限公司 | Steel ball cold heading machine |
| CN202741665U (en) * | 2012-08-23 | 2013-02-20 | 宁波思进机械股份有限公司 | Shearing mechanism of cold header |
| CN104190849A (en) * | 2014-09-10 | 2014-12-10 | 陈建德 | Material cutting device of cold upsetting machine |
| CN205571317U (en) * | 2016-04-20 | 2016-09-14 | 湖北海濎机电科技有限公司 | Blank drive mechanism of cold heading machine |
| CN206605005U (en) * | 2017-03-02 | 2017-11-03 | 宜兴市永存机械设备有限公司 | A kind of novel multi-station parts shaping machine blank box part |
-
2018
- 2018-03-14 CN CN201810209084.8A patent/CN108526383A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1013078A1 (en) * | 1981-12-21 | 1983-04-23 | Липецкий политехнический институт | Cutting off mechanism to cold upsetting automatic machine |
| JP2001113341A (en) * | 1999-10-19 | 2001-04-24 | Tookoo:Kk | Cuter and carrier of wire added to header type heading machine, and header type heading machine |
| CN201020510Y (en) * | 2007-04-04 | 2008-02-13 | 济南顺达钢球设备有限公司 | Steel ball cold heading machine |
| CN202741665U (en) * | 2012-08-23 | 2013-02-20 | 宁波思进机械股份有限公司 | Shearing mechanism of cold header |
| CN104190849A (en) * | 2014-09-10 | 2014-12-10 | 陈建德 | Material cutting device of cold upsetting machine |
| CN205571317U (en) * | 2016-04-20 | 2016-09-14 | 湖北海濎机电科技有限公司 | Blank drive mechanism of cold heading machine |
| CN206605005U (en) * | 2017-03-02 | 2017-11-03 | 宜兴市永存机械设备有限公司 | A kind of novel multi-station parts shaping machine blank box part |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111085648A (en) * | 2020-01-17 | 2020-05-01 | 东莞市泰基山机械设备有限公司 | Novel cold header |
| CN114029423A (en) * | 2021-12-14 | 2022-02-11 | 广东泰基科技有限公司 | High-speed cold heading machine |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180914 |