CN106238775A - For the mechanism continuously punched to workpiece - Google Patents
For the mechanism continuously punched to workpiece Download PDFInfo
- Publication number
- CN106238775A CN106238775A CN201610762183.XA CN201610762183A CN106238775A CN 106238775 A CN106238775 A CN 106238775A CN 201610762183 A CN201610762183 A CN 201610762183A CN 106238775 A CN106238775 A CN 106238775A
- Authority
- CN
- China
- Prior art keywords
- gear
- pedestal
- gear rack
- linear gear
- workpiece
- Prior art date
Links
- 238000004080 punching Methods 0.000 claims abstract description 6
- 230000005540 biological transmission Effects 0.000 claims description 16
- 230000001737 promoting Effects 0.000 claims description 3
- 238000005553 drilling Methods 0.000 abstract description 3
- 238000000034 methods Methods 0.000 description 6
- 238000010009 beating Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 208000008425 Protein Deficiency Diseases 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000005516 engineering processes Methods 0.000 description 1
- 230000001771 impaired Effects 0.000 description 1
- 230000002093 peripheral Effects 0.000 description 1
- 230000001105 regulatory Effects 0.000 description 1
- 230000000284 resting Effects 0.000 description 1
- 101710006901 rig-6 Proteins 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B41/00—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B47/00—Constructional features of components specially designed for boring or drilling machines; Accessories therefor
-
- 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
- B23Q5/22—Feeding members carrying tools or work
- B23Q5/34—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission
Abstract
Description
Technical field
The present invention relates to cheesing techniques field, particularly relate to a kind of for the mechanism continuously punched to workpiece.
Background technology
Currently, on workpiece, punching is a conventional machining processes.In prior art, processing on workpiece is hung down Straight for the hole of surface of the work, it is relatively easy to, it is only necessary to by drill bit just to surface of the work, keeps drill bit to be perpendicular to Surface of the work;And for processing inclined on an object with regard to relative difficulty, and it being difficult to ensure that machining accuracy, this is owing to adding During work inclined hole, need to keep drill bit and surface of the work certain gradient, and in drill process, owing to drill bit is subject to Active force is not perpendicular to drill axis, so, when being easily caused bit force inequality and make to beat inclined hole, drill bit occurs partially Move, and then cause the inclined hole processed defective;It addition, process multiple hole on the most same workpiece, also to ensure many Angle between individual hole, the at this time structure to swing angle of drill bit, and the stability requirement in drill bit drill process becomes again Get Geng Gao.In sum, not high enough for the device that workpiece is continuously punched is existed precision in prior art, and processing is straight simultaneously Angle between the two cannot be ensured when hole and inclined hole.
Summary of the invention
The technical problem to be solved in the present invention is, overcomes existing technological deficiency, it is provided that a kind of drilling precision is higher, and Ensure that when processing multiple hole simultaneously angle between multiple hole for the mechanism continuously punched to workpiece.
The technical solution of the present invention be to provide a kind of have following structure for the machine continuously punched to workpiece Structure: include pedestal, pedestal is connected by axis of rotation guide post, and guide post slidably connects the first straight line tooth by dovetail groove Bar, the first linear gear rack is provided with the rig for punching the workpiece being placed on pedestal;Pedestal is provided with platform, flat Platform slidably connects slide block by dovetail groove, and slide block is tiltedly installed with connecting rod, and connecting rod turns near first linear gear rack one end Be dynamically connected the first gear, the first gear and the first linear gear rack engaged transmission, and pedestal is provided with for driving slide block back and forth to move Dynamic with the power set promoting the first linear gear rack and guide post to swing around the shaft;Slide block is provided with the montant downwardly extended, perpendicular Bar lower end edge horizontal direction is provided with the second linear gear rack, and pedestal is provided with guide pad below the second linear gear rack, and guide pad leads to Crossing dovetail groove and slidably connect the 3rd linear gear rack, pedestal is rotatably connected to the second gear, the second gear is the most straight with second Line tooth bar, the 3rd linear gear rack engaged transmission, the 3rd linear gear rack end pushes against with guide post bottom, the first gear be positioned at The first more than rotating shaft linear gear rack region engaged transmission, the first Gear axis and shaft axis are little in the difference in height of vertical direction Distance in guide post upper end to shaft axis;Platform is provided with the through hole slided for montant in the horizontal direction;Connecting rod is provided with leads Set, guide pin bushing arranges along length of connecting rod direction, slidably connects latch in guide pin bushing, and guide pin bushing is provided with inwardly near first gear one end The first annular projection extended, latch is provided with outward extending second annular protrusion away from first gear one end, and latch overlaps Being connected to stage clip, stage clip one end pushes against with first annular projection, and the other end and the second annular protrusion push against, and connecting rod is provided with for pushing away The second cylinder that dynamic latch moves along length of connecting rod direction;Deviate from platform side on guide post and be provided with arc-shaped rack, arc-shaped rack Axis overlaps with shaft axis, and pedestal is rotatably connected to the 3rd gear, the 3rd gear and arc-shaped rack engaged transmission;On connecting rod It is provided with the motor for driving the first pinion rotation, motor output end and the first gear to connect.
The present invention drives slide block to move on platform by power set, and slide block is when near guide post, and slide block is by even The first gear on bar can promote guide post to swing certain angle, at slide block while guide post, and the of slide block lower end Two linear gear racks drive the 3rd linear gear rack away from guide post lower end by the second gear, thus provide sky to the swing of guide post Between to avoid movement interference, and the 3rd linear gear rack can also by push against guide post bottom with to guide post formed support, After subject-oriented bar angle is set up, it is also possible to drive the first pinion rotation by motor, and then drive the first linear gear rack leading Slide on bar, then adjust the distance of the first linear gear rack end rig distance surface of the work, finally realize rig at workpiece Punch on upper appointment position;Conversely, when slide block is when away from guide post, the second linear gear rack of slide block lower end passes through the second tooth Wheel drive the 3rd linear gear rack is toward the direction motion near guide post bottom, and the i.e. the 3rd linear gear rack promotes guide post bottom Reversion is to guarantee that the first linear gear rack on guide post engages with the first gear all the time, it is ensured that the reliability of whole device transmission; It addition, after the angle between the first linear gear rack and connecting rod is set up, the second cylinder stretches out to promote latch near the first tooth Wheel, latch near the first gear, until latch is connected on the first gear, adds guide post along guide pin bushing length direction Bottom is supported by the 3rd linear gear rack end, so guarantee guide post angle set up after, connecting rod is relative to guide post Angle will not change again;And when the second cylinders retract, latch can be out of gear with first under stage clip elastic force effect; Further, designed by the disengaged of latch and the second cylinder and can improve latch and the service life of the second cylinder, because first The peripheral force of gear mesh latch end finally acts on guide pin bushing, without passing to the second cylinder by latch, it is to avoid the Two cylinders are impaired by counteracting force;Wherein, can to guide post around the shaft with coordinating of arc-shaped rack by the 3rd gear Rotation formed support, say, that can be resisted against on the 3rd gear towards the 3rd gear side on guide post so that guide The rotation of bar is more stable, additionally it is possible to reduce the load that rotating shaft is subjected to.In sum, first, first is driven by motor Pinion rotation, and then the first linear gear rack is slided on the guide bar can regulate on the first linear gear rack rig distance workpiece The distance on surface, thus improve the precision of punching, meet difference punching requirement;Secondly, drive slide block flat by power set Move on platform, then drive guide post to swing around the shaft by connecting rod and the first gear, rig on the first linear gear rack can be regulated Relative to the position on workpiece and angle, thus meet the requirement beating multiple hole on workpiece, can be continuously punched on workpiece; Further, after guide post angle is set up, it is possible to prevent the first linear gear rack relative to the by latch and the first gear clamping One gear is moved, and adds guide post lower end and is limited by the 3rd linear gear rack, then guide post sets up it in position After would not rotate further around rotating shaft, and then at guaranteeing that guide post, the first linear gear rack and rig are when beating each hole In resting state, so, it can be ensured that process the angle precision between multiple holes hole when and hole on workpiece high, also simultaneously Precision when inclined hole beaten on workpiece by rig can be improved.Therefore, the present invention provides a kind of drilling precision higher, and adds at the same time Ensure that during the multiple hole of work angle between multiple hole for the mechanism continuously punched to workpiece.
Preferred as one, described power set refer to, pedestal is provided with for driving slide block movement on platform First cylinder, the first cylinder outfan is connected with slide block, and the first cylinder is horizontally disposed.Preferred by this, can drive Movable slider the most back and forth moves left and right on platform, and then promotes guide post to rotate by the first gear on connecting rod Axle swings.
Preferred as one, on described latch towards the first gear one end section be semicircle.Preferred by this, permissible Reduce the contact area of latch end and the first gear, thus prevent latch and the first gear clamping moment from hard hit occurring, And then by reducing latch end volume so that latch and the moment impact of the first gear clamping.
Preferred as one, described guide pad is inclined on pedestal, and the 3rd linear gear rack is along guide pad length side To slip.Preferred by this, it is obliquely installed by guide pad, and the 3rd linear gear rack arranges permissible along guide pad length direction Guarantee that the 3rd linear gear rack end pushes against with guide post bottom, and the space taken when reducing the 3rd linear gear rack transmission.
Preferred as one, described through hole is string configuration, and through hole vertically runs through platform.Excellent by this Choosing, montant can slide in through hole, and montant can also be guided by through-hole wall.
Accompanying drawing explanation
Fig. 1 is the partial sectional view of the present invention.
Fig. 2 is the partial sectional view in the present invention after guide post swing.
Fig. 3 is the structural representation of platform in the present invention.
Fig. 4 is the partial enlarged drawing in the present invention on connecting rod.
Shown in figure: 1, pedestal, 2, rotating shaft, 3, guide post, the 4, first linear gear rack, 5, workpiece, 6, rig, 7, platform 8, slide block, 9, connecting rod, the 10, first gear, 11, montant, the 12, second linear gear rack, 13, guide pad, the 14, the 3rd linear gear rack, 15, the second gear, 16, through hole, the 17, first cylinder, the 18, second cylinder, 19, guide pin bushing, 20, latch, 21, stage clip, the 22, first ring Shape is protruding, the 23, second annular protrusion, and 24, arc-shaped rack, the 25, the 3rd gear.
Detailed description of the invention
The invention will be further described with detailed description of the invention below in conjunction with the accompanying drawings.
The operation principle of the present invention:
First, workpiece is placed on pedestal, and by fixture, workpiece is carried out Set and Positioning;
Then, the first cylinder operation is to drive slide block to move in the horizontal direction on platform, as it is shown in figure 1, the first cylinder Driving slide block is moved to the left, and slide block promotes guide post to rotate counterclockwise around the shaft, at slide block by the first gear of small end While being moved to the left, the second linear gear rack is also moved to the left, and the second linear gear rack passes through the engaged transmission of the second gear with band Dynamic 3rd linear gear rack moves right, and the 3rd linear gear rack left part is resisted against guide post bottom all the time, say, that lead Being promoted by small end the first gear to bar upper end, guide post bottom is supported by the 3rd linear gear rack;Guide Bar during rotating around the axis, the arc-shaped rack on guide post and the 3rd meshed transmission gear, thus keep guide post to rotate Stablize;
When the first cylinder pulls slide block to move right, the 3rd linear gear rack of slide block bottom is moved to the left, thus the Three linear gear rack left parts can promote guide post bottom to rotate clockwise around the shaft, and the first straight line of guide post upper end Tooth bar engages with the first gear all the time, say, that guide post upper and lower end is straight by the first gear and the 3rd respectively The support of line tooth bar;
After guide post angle is set up, the second cylinder stretches out to promote latch close to the first gear, and latch is along leading Set length direction slides, until latch end and the first gear clamping, as shown in Figure 4;When needs release latch to first When the circumference of gear limits, the second cylinders retract, on latch, the second annular protrusion can be automatic under stage clip elastic force effect Away from the first gear, i.e. latch and first is out of gear.
The present invention for including pedestal 1 to the mechanism that workpiece is continuously punched, and pedestal 1 is rotatably connected to guide by rotating shaft 2 Bar 3, guide post 3 slidably connects the first linear gear rack 4 by dovetail groove, and the first linear gear rack 4 is provided with for being placed on Workpiece 5 on pedestal 1 carries out the rig 6 punched;Pedestal 1 is provided with platform 7, and platform 7 slidably connects slide block by dovetail groove 8, slide block 8 is tiltedly installed with connecting rod 9, connecting rod 9 is rotatably connected to the first gear 10 near first linear gear rack 4 one end, the One gear 10 and the first linear gear rack 4 engaged transmission, pedestal 1 is provided with for driving slide block 8 to move back and forth to promote first straight Line tooth bar 4 and guide post 32 power set swung around the shaft;Slide block 8 is provided with the montant 11 downwardly extended, montant 11 lower end Being provided with the second linear gear rack 12 in the horizontal direction, pedestal 1 is provided with guide pad 13, guide pad 13 below the second linear gear rack 12 Slidably connecting the 3rd linear gear rack 14 by dovetail groove, pedestal 1 is rotatably connected to the second gear 15, the second gear 15 is simultaneously With the second linear gear rack the 12, the 3rd linear gear rack 14 engaged transmission, the 3rd linear gear rack 14 end is supported with guide post 3 bottom Tightly, the first gear 10 and the first linear gear rack 4 region engaged transmission being positioned at rotating shaft more than 2, the first gear 10 axis and rotating shaft 2 Axis is less than guide post 3 upper end distance to rotating shaft 2 axis in the difference in height of vertical direction;Platform 7 is provided with confession in the horizontal direction The through hole 16 that montant 11 slides;Connecting rod 9 is provided with guide pin bushing 19, and guide pin bushing 19 is arranged along connecting rod 9 length direction, the company of slip in guide pin bushing 19 It is connected to latch 20, guide pin bushing 19 is provided with, near first gear 10 one end, first annular protruding 22 extended internally, remote on latch 20 It is provided with outward extending second annular protrusion 23 from first gear 10 one end, latch 20 is socketed with stage clip 21, stage clip 21 one end Pushing against with first annular protruding 22, the other end and the second annular protrusion 23 push against, and connecting rod 9 is provided with for promoting latch 20 along even The second cylinder 18 that bar 9 length direction moves;Deviate from platform 7 side on guide post 3 and be provided with arc-shaped rack 24, arc-shaped rack 24 axle Line and rotating shaft 2 dead in line, pedestal 1 is rotatably connected to the 3rd gear 25, the 3rd gear 25 and arc-shaped rack 24 engaged transmission, Arc-shaped rack 24 is fixedly connected on guide post 3, and the central angle of arc-shaped rack 24 is 180 °, and the arc length of arc-shaped rack 24 is just It it is the half of a girth;Connecting rod 9 is provided with the motor for driving the first gear 10 to rotate, motor output end and the first gear 10 connect, and motor is clockwise and anticlockwise motor, such that it is able to drive the first gear 10 to rotate clockwise and rotate counterclockwise.
Described power set refer to, pedestal 1 is provided with for driving slide block 8 first cylinder 17 of movement on platform 7, First cylinder 17 outfan is connected with slide block 8, and the first cylinder 17 is horizontally disposed.
It is semicircle towards the first gear 10 1 end section on described latch 20.
Described guide pad 13 is inclined on pedestal 1, and the 3rd linear gear rack 14 slides along guide pad 13 length direction.
Described through hole 16 is string configuration, and through hole 16 vertically runs through platform 7, and montant 11 is vertically It is located in through hole 16.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit protection scope of the present invention.All at this Within bright claim, any amendment, equivalent and the improvement etc. made, should be included in protection scope of the present invention it In.
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610762183.XA CN106238775B (en) | 2016-08-29 | 2016-08-29 | For the mechanism continuously punched to workpiece |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610762183.XA CN106238775B (en) | 2016-08-29 | 2016-08-29 | For the mechanism continuously punched to workpiece |
Publications (2)
Publication Number | Publication Date |
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CN106238775A true CN106238775A (en) | 2016-12-21 |
CN106238775B CN106238775B (en) | 2018-03-13 |
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CN201610762183.XA CN106238775B (en) | 2016-08-29 | 2016-08-29 | For the mechanism continuously punched to workpiece |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107378449A (en) * | 2017-09-22 | 2017-11-24 | 安坤 | Automatic workpieces assemble device |
CN107554826A (en) * | 2017-10-29 | 2018-01-09 | 葛兆舜 | Full-automatic fruit branch mailbox equipment |
CN107618690A (en) * | 2017-10-29 | 2018-01-23 | 葛兆舜 | Automatic fruit branch mailbox streamline |
CN107839909A (en) * | 2017-10-29 | 2018-03-27 | 葛兆舜 | Automatic fruit box separation device |
CN109926838A (en) * | 2017-11-09 | 2019-06-25 | 郑州赫恩电子信息技术有限公司 | Intelligent perforating device |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20010081959A (en) * | 2000-11-21 | 2001-08-29 | 노희옥 | Perforation device for filing machine |
CN203751379U (en) * | 2014-03-27 | 2014-08-06 | 国家电网公司 | Punching machine |
CN203887288U (en) * | 2014-05-23 | 2014-10-22 | 天津同鑫煤矿机械制造有限公司 | Device for machining connecting holes in impact-resisting hydraulic bracket for roadway |
CN204505519U (en) * | 2015-03-25 | 2015-07-29 | 鞍山重型矿山机器股份有限公司 | Finisher blade angle automatic regulating apparatus |
CN105537365A (en) * | 2016-01-12 | 2016-05-04 | 山东理工大学 | Automatic tooth-punching equipment for flat steel used by steel grating plate |
CN205439634U (en) * | 2016-03-03 | 2016-08-10 | 刘莉 | Full -automatic hole punching presses and rivets book -binding machine |
-
2016
- 2016-08-29 CN CN201610762183.XA patent/CN106238775B/en active IP Right Grant
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20010081959A (en) * | 2000-11-21 | 2001-08-29 | 노희옥 | Perforation device for filing machine |
CN203751379U (en) * | 2014-03-27 | 2014-08-06 | 国家电网公司 | Punching machine |
CN203887288U (en) * | 2014-05-23 | 2014-10-22 | 天津同鑫煤矿机械制造有限公司 | Device for machining connecting holes in impact-resisting hydraulic bracket for roadway |
CN204505519U (en) * | 2015-03-25 | 2015-07-29 | 鞍山重型矿山机器股份有限公司 | Finisher blade angle automatic regulating apparatus |
CN105537365A (en) * | 2016-01-12 | 2016-05-04 | 山东理工大学 | Automatic tooth-punching equipment for flat steel used by steel grating plate |
CN205439634U (en) * | 2016-03-03 | 2016-08-10 | 刘莉 | Full -automatic hole punching presses and rivets book -binding machine |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107378449A (en) * | 2017-09-22 | 2017-11-24 | 安坤 | Automatic workpieces assemble device |
CN107378449B (en) * | 2017-09-22 | 2019-05-03 | 嘉兴市华财塑业有限公司 | Automatic workpieces assemble device |
CN107554826A (en) * | 2017-10-29 | 2018-01-09 | 葛兆舜 | Full-automatic fruit branch mailbox equipment |
CN107618690A (en) * | 2017-10-29 | 2018-01-23 | 葛兆舜 | Automatic fruit branch mailbox streamline |
CN107839909A (en) * | 2017-10-29 | 2018-03-27 | 葛兆舜 | Automatic fruit box separation device |
CN107554826B (en) * | 2017-10-29 | 2020-04-24 | 南京涵曦月自动化科技有限公司 | Full-automatic fruit box separation equipment |
CN109926838A (en) * | 2017-11-09 | 2019-06-25 | 郑州赫恩电子信息技术有限公司 | Intelligent perforating device |
CN109926838B (en) * | 2017-11-09 | 2020-10-09 | 江西乾聖建设有限公司 | Intelligent punching device |
Also Published As
Publication number | Publication date |
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CN106238775B (en) | 2018-03-13 |
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Effective date of registration: 20191011 Address after: Room 208 and 209, Building C, High-tech Venture Service Center, Tongling City, Anhui Province Patentee after: Tongling Emco New Material Technology Co., Ltd. Address before: 315195 Zhou Hancun, Jiangshan Town, Ningbo, Zhejiang, Yinzhou District Patentee before: Zhejiang cypress is with Science and Technology Co., Ltd. of robot |
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