CN109249258A - A kind of servo automatic turnover machine - Google Patents
A kind of servo automatic turnover machine Download PDFInfo
- Publication number
- CN109249258A CN109249258A CN201810822935.6A CN201810822935A CN109249258A CN 109249258 A CN109249258 A CN 109249258A CN 201810822935 A CN201810822935 A CN 201810822935A CN 109249258 A CN109249258 A CN 109249258A
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- workpiece
- bar
- roller bed
- plane
- clamping device
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- 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
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
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- Mechanical Engineering (AREA)
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Abstract
The invention discloses a kind of servo automatic turnover machines, including pedestal and the roller bed device being fixed on the pedestal, the clamping device that can clamp workpiece is equipped with above the roller bed device, the clamping device is equipped with the turnover device that can make the clamping device rotation, the jacking apparatus at workpiece top to the clamping device, the roller bed device two sides can be corresponded to the centralising device that is equipped with and can be pushed into workpiece at jacking apparatus described in face at the clamping device by being equipped at clamping device described in face below the roller bed device.Operation of the present invention is convenient, and high-efficient, can be used for the workpiece of various models, convenient for linking together with other automation equipments on production line.
Description
Technical field
The invention belongs to tipper field more particularly to a kind of servo automatic turnover machines.
Background technique
During processing the cylinder block and head of engine, need to overturn cylinder block and head, to facilitate processing cylinder
Each face of body cylinder cap.At present during machine tool processing, it is usually manually overturn, or uses simple frock clamp
So that cylinder block and head is overturn certain angle, but inconvenient, can not link together with the automation equipment of other on production line,
Inefficiency and versatility is bad.When multiple workpiece to be flipped move on roller bed device, need when overturning a workpiece
Roller bed device is set to stop working, electric machines for roller are repeatedly frequently opened, and service life is easily reduced.
Summary of the invention
It is easy to operate and high-efficient the main purpose of the present invention is to provide a kind of servo automatic turnover machine.
To achieve the above objectives, the technical solution adopted by the present invention are as follows: a kind of servo automatic turnover machine, including pedestal and solid
The roller bed device being scheduled on the pedestal, the roller bed device top are equipped with the clamping device that can clamp workpiece, the clamping dress
The turnover device for being equipped with and can making the clamping device rotation is set, is equipped at clamping device described in face below the roller bed device
Jacking apparatus at workpiece top to the clamping device, the roller bed device two sides can be corresponded at the clamping device be equipped with can
Centralising device workpiece being pushed at jacking apparatus described in face.
As an improvement, workpiece is on the roller bed device when being moved at the corresponding centralising device, the centralising device
On optoelectronic switch sense workpiece, the centering cylinder stretching for controlling the centralising device makes workpiece centering, while described in controlling
The jacking cylinder of jacking apparatus, which starts to stretch out, to be given rise to workpiece at the clamping device;The jacking cylinder magnetic switch induction
When stretching out in place to the jacking cylinder piston bar, the clamping cylinder for controlling the clamping device, which starts to stretch out, clamps workpiece;Institute
When stating clamping cylinder magnetic switch and sensing that the clamping cylinder piston rod is stretched out in place, the overturning electricity of the turnover device is controlled
Machine starts turning, and makes workpiece turning.Fully automatic working is realized by all kinds of inductive switches, is saved labour, is improved efficiency.
As an improvement, the jacking apparatus includes the top plate of three pieces of equidistant arrangements, the top plate can be in the roller bed device
Gap in move up and down.The quantity that top plate can be changed according to the size of workpiece, can guarantee stationarity when workpiece rises, and be applicable in
In the workpiece of a variety of different models, the versatility of equipment is increased.
As an improvement, the roller bed device two sides be equipped with adjustable berth away from guide rod, the guide rod and the roller bed device
Direction of advance it is parallel.It, can be by adjusting the distance between guide rod to play guiding function to workpiece when workpiece is smaller.
As an improvement, point that can separate multiple workpiece is additionally provided with below the roller bed device at the corresponding clamping device
Every device.Separating device makes roller bed device without stopping working, and reduces and repeatedly opens the consume caused by electric machines for roller.
As an improvement, the bar that workpiece can be stopped mobile, institute are connected on the separating device by bar spring slide
It states bar and is located at roller bed device direction of advance side equipped with the locating rod and reset being slidably connected in the separating device
Bar;Described locating rod one end is equipped with the inclined-plane with the bar locating slot cooperation on the bar, and the other end passes through locating rod spring
It is connect with the separating device, described release link one end is equipped with the inclined-plane with the bar reseting groove cooperation on the bar, another
End is connect by release link spring with the separating device;It is connected with by gag lever post spring slide in the separating device and institute
The parallel gag lever post of bar is stated, described gag lever post one end is equipped with the inclined-plane with the reseting groove cooperation in the release link, the limit
Position bar can limit the movement of the locating rod by the limit hole cooperated with the locating slot in the locating rod;The gag lever post one
Side is equipped with the rack gear being slidably connected on the separating device, engages and is connected with for passing between the rack gear and the gag lever post
Dynamic gear;One end that the rack gear stretches out the separating device is equipped with inclined-plane with work pieces mate, described in the bar stretches out
One end of separating device is equipped with the bar inclined-plane with work pieces mate, when the locating rod and the release link are detached from the bar
When, the bar inclined-plane is higher than the contact surface of workpiece and the roller bed device, to make workpiece can not be by the bar inclined-plane
Push the bar;The distance between the bar and the rack gear are greater than the length of a workpiece.
The section of bar locating slot is triangular structure of right angle, and bevel edge is arranged upward, and locating rod is made to be located at bar locating slot
When interior, bar can move down promotion locating rod, can not but move up, locating rod is made to have position-limiting action to bar.Separate
Device setting and roller bed device lower section, can be by its width of the space allocation below roller bed device, and adaptability is good.
Compared with the prior art, the advantages of the present invention are as follows: by control jacking apparatus, centralising device, clamping device and
Turnover device realizes overturning of the workpiece in 180 ° of angles, easy to operate and high-efficient, can be used for the workpiece of various models,
Convenient for linking together with other automation equipments on production line.
Detailed description of the invention
Fig. 1~2 are stereoscopic schematic diagrams of the invention;
Fig. 3~5 are the motion process schematic diagrames of separating device of the invention;
The corresponding component names of each appended drawing reference are: 1. pedestals;11. roller bed device;12. centralising device;121. centering
Cylinder;13. clamping device;131. clamping cylinder;14. jacking apparatus;141. jacking cylinder;15. turnover device;151. overturning electricity
Machine;16. guide rod;2. separating device;21. gear;22. rack gear;3. bar;31. bar locating slot;32. bar reseting groove;33.
Bar spring;34. bar inclined-plane;4. locating rod;41. locating slot;42. locating rod spring;5. release link;51. reseting groove;52.
Release link spring;6. gag lever post;61. limit hole;62. gag lever post spring;7. workpiece.
Specific embodiment
It is described below for disclosing the present invention so that those skilled in the art can be realized the present invention.It is excellent in being described below
Embodiment is selected to be only used as illustrating, it may occur to persons skilled in the art that other obvious modifications.
The present invention includes pedestal 1 and the roller bed device 11 that is fixed on the pedestal 1, is equipped with above the roller bed device 11
The clamping device 13 of workpiece 7 can be clamped, the clamping device 13 is equipped with the turnover device that the clamping device 13 can be made to rotate
15, being equipped at clamping device 13 described in the 11 lower section face of roller bed device can will be at the top to the clamping device 13 of workpiece 7
Jacking apparatus 14,11 two sides of roller bed device, which correspond to, to be equipped at the clamping device 13 and workpiece 7 can be pushed into top described in face
Rise the centralising device 12 at device 14.
Specifically, workpiece 7 on the roller bed device 11 when being moved at the corresponding centralising device 12, the centering is filled
It sets the optoelectronic switch on 12 and senses workpiece 7, the stretching of centering cylinder 121 for controlling the centralising device 12 makes 7 centering of workpiece, together
When control the jacking apparatus 14 jacking cylinder 141 start stretch out workpiece 7 is given rise at the clamping device 13;The top
When liter 141 magnetic switch of cylinder senses that 141 piston rod of jacking cylinder is stretched out in place, the folder of the clamping device 13 is controlled
Tight cylinder 131, which starts to stretch out, clamps workpiece 7;131 magnetic switch of clamping cylinder senses 131 piston rod of clamping cylinder
When stretching out in place, the overturning motor 151 for controlling the turnover device 15 is started turning, and overturns workpiece 7.
Specifically, the jacking apparatus 14 includes the top plate of three pieces of equidistant arrangements, the top plate can be in the roller bed device
It is moved up and down in 11 gap.
Specifically, 11 two sides of roller bed device be equipped with adjustable berth away from guide rod 16, the guide rod 16 and the roller-way
The direction of advance of device 11 is parallel.
Multiple workpiece 7 can be separated specifically, corresponding to below the roller bed device 11 and being additionally provided at the clamping device 13
Separating device 2.
Specifically, the bar 3 that workpiece 7 can be stopped mobile is slidably connected on the separating device 2 by bar spring 33,
The bar 3 is located at the 11 direction of advance side of roller bed device and is equipped with the locating rod 4 being slidably connected in the separating device 2
With release link 5;Described 4 one end of locating rod is equipped with the inclined-plane cooperated with the bar locating slot 31 on the bar 3, and the other end passes through
Locating rod spring 42 is connect with the separating device 2, and described 5 one end of release link is equipped with and the bar reseting groove on the bar 3
The inclined-plane of 32 cooperations, the other end are connect by release link spring 52 with the separating device 2;Pass through limit in the separating device 2
Position bar spring 62 slidably connects the gag lever post 6 parallel with the bar 3, and described 6 one end of gag lever post is equipped with and the release link 5
On reseting groove 51 cooperate inclined-plane, the gag lever post 6 can pass through in the locating rod 4 locating slot 41 cooperate limit hole
The movement of the 61 limitation locating rods 4;6 side of gag lever post is equipped with the rack gear 22 being slidably connected on the separating device 2,
The gear 21 being connected with for transmission is engaged between the rack gear 22 and the gag lever post 6;The rack gear 22 stretches out the separation
One end of device 2 is equipped with the inclined-plane cooperated with workpiece 7, and one end that the bar 3 stretches out the separating device 2 is equipped with matches with workpiece
The bar inclined-plane 34 of conjunction, when the locating rod 4 and the release link 5 are detached from the bar 3, the bar inclined-plane 34 is higher than work
The contact surface of part 7 and the roller bed device 11, to make workpiece 7 that can not push the bar 3 by the bar inclined-plane 34;Institute
State the length that the distance between bar 3 and the rack gear 22 are greater than a workpiece 7.
When work, workpiece 7 on the roller bed device 11 during being moved at the corresponding centralising device 12, workpiece
7 move down bar 3 by bar inclined-plane 34, and bar locating slot 31 pushes locating rod 4 to far from the movement of 3 direction of bar.When
When locating slot 41 in locating rod 4 is moved at limit hole 61, gag lever post 6 moves down under the action of gag lever post spring 62,
Limit hole 61 is caught in limitation locating rod 4 movement in locating slot 41, and gag lever post 6 passes through the cooperation with reseting groove 51 and pushes release link 5
To far from the movement of 3 direction of bar, rack gear 22 moves up under the transmission effect of gear 21.When workpiece 7 is detached from bar 3, bar 3
It is moved up under the action of bar spring 33, until bar inclined-plane 34 is higher than the contact surface of workpiece 7 and roller bed device 11, under making
One workpiece 7 can not be contacted with baffle inclined-plane 34, stop the movement of next workpiece 7, achieve the purpose that separate workpiece 7, and
Without making roller bed device 11 stop working.
After movement in place, the optoelectronic switch on the centralising device 12 senses workpiece 7, controls the centralising device 12
Centering cylinder 121 stretches out the jacking cylinder 141 for making 7 centering of workpiece, while controlling the jacking apparatus 14 and starts to stretch out workpiece 7
It gives rise at the clamping device 13;141 magnetic switch of jacking cylinder senses that 141 piston rod of jacking cylinder stretches out
When in place, the clamping cylinder 131 for controlling the clamping device 13, which starts to stretch out, clamps workpiece 7;131 magnetism of clamping cylinder is opened
When pass senses that 131 piston rod of clamping cylinder is stretched out in place, the overturning motor 151 for controlling the turnover device 15 starts to turn
It is dynamic, overturn workpiece 7.
After overturning, clamping device 13 unclamps the control to workpiece 7, returns back to workpiece 7 under the drive of jacking apparatus 14
On roller bed device 11, continued to move along under the action of roller bed device 11.Workpiece 7 is contacted with rack gear 22, by with rack gear 22
The inclined-plane cooperation on top moves down rack gear 22, and gear 21 drives gag lever post 6 to move up, and gag lever post is released to locating rod 4
With the position-limiting action of release link 5.Release link 5 is mobile to 3 direction of bar under the action of release link spring 52, by multiple with bar
The cooperation of position slot 32 moves down baffle 3, until bar inclined-plane 34 can be contacted with next workpiece 7.Locating rod 4 is in locating rod
It is mobile to 3 direction of bar under the action of spring 42, it is caught in bar locating slot 31, further bar 3 is limited, anti-backstop
Bar 3 moves up, and avoids the occurrence of the case where workpiece 7 can not contact baffle inclined-plane 34.
When being moved to bottom under the action of rack gear 22 is in workpiece 7, bar 3 is also moved downwardly a distance, not right
Next workpiece 7 causes barrier effect, repeats above-mentioned work step.
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, and what is described in the above embodiment and the description is only the present invention
Principle, various changes and improvements may be made to the invention without departing from the spirit and scope of the present invention, these variation and
Improvement is both fallen in the range of claimed invention.
Claims (6)
1. a kind of servo automatic turnover machine, special including pedestal (1) and the roller bed device (11) being fixed on the pedestal (1)
Sign is: the clamping device (13) that can clamp workpiece (7) is equipped with above the roller bed device (11), on the clamping device (13)
Equipped with the turnover device (15) that the clamping device (13) can be made to rotate, dress is clamped below the roller bed device (11) described in face
It sets and is equipped with and workpiece (7) can be pushed up to the jacking apparatus (14) at the clamping device (13), the roller bed device (11) at (13)
Two sides correspond to the centralising device that is equipped with and can be pushed into workpiece (7) at jacking apparatus described in face (14) at the clamping device (13)
(12)。
2. a kind of servo automatic turnover machine according to claim 1, it is characterised in that: workpiece (7) is in the roller bed device
(11) when be moved at the corresponding centralising device (12) on, the optoelectronic switch on the centralising device (12) senses workpiece
(7), centering cylinder (121) stretching for controlling the centralising device (12) makes workpiece (7) centering, while controlling the jacking apparatus
(14) jacking cylinder (141), which starts to stretch out, to be given rise to workpiece (7) at the clamping device (13);The jacking cylinder
(141) when magnetic switch senses that the jacking cylinder (141) piston rod is stretched out in place, the folder of the clamping device (13) is controlled
Tight cylinder (131), which starts to stretch out, clamps workpiece (7);Clamping cylinder (131) magnetic switch senses the clamping cylinder
(131) when piston rod is stretched out in place, the overturning motor (151) for controlling the turnover device (15) is started turning, and turns over workpiece (7)
Turn.
3. a kind of servo automatic turnover machine according to claim 1, it is characterised in that: the jacking apparatus (14) includes three
The top plate of block equidistant arrangement, the top plate can move up and down in the gap of the roller bed device (11).
4. a kind of servo automatic turnover machine according to claim 1, it is characterised in that: roller bed device (11) two sides are set
Have adjustable berth away from guide rod (16), the guide rod (16) is parallel with the direction of advance of the roller bed device (11).
5. a kind of servo automatic turnover machine according to claim 1, it is characterised in that: right below the roller bed device (11)
Answer that be additionally provided at the clamping device (13) can be by separating device (2) that multiple workpiece (7) separate.
6. a kind of servo automatic turnover machine according to claim 5, it is characterised in that: pass through on the separating device (2)
Bar spring (33) slidably connects the bar (3) that workpiece (7) can be stopped mobile, and the bar (3) is located at the roller bed device
(11) direction of advance side is equipped with the locating rod (4) and release link (5) being slidably connected in the separating device (2);It is described fixed
Position bar (4) one end is equipped with the inclined-plane with bar locating slot (31) cooperation on the bar (3), and the other end passes through locating rod spring
(42) it is connect with the separating device (2), described release link (5) one end is equipped with and the bar reseting groove on the bar (3)
(32) inclined-plane cooperated, the other end are connect by release link spring (52) with the separating device (2);The separating device (2)
It is interior to be slidably connected the gag lever post parallel with the bar (3) (6) by gag lever post spring (62), described gag lever post (6) one end
Equipped with on the release link (5) reseting groove (51) cooperation inclined-plane, the gag lever post (6) can by with the locating rod
(4) limit hole (61) of locating slot (41) cooperation on limits the movement of the locating rod (4);Gag lever post (6) side is set
There are the rack gear (22) being slidably connected on the separating device (2), the company of engagement between the rack gear (22) and the gag lever post (6)
It is connected to the gear (21) for transmission;One end that the rack gear (22) stretches out the separating device (2) is equipped with to be cooperated with workpiece (7)
Inclined-plane, one end that the bar (3) stretches out the separating device (2) is equipped with the bar inclined-plane (34) with work pieces mate, works as institute
When stating locating rod (4) and the release link (5) and being detached from bar (3), the bar inclined-plane (34) be higher than workpiece (7) with it is described
The contact surface of roller bed device (11), so that workpiece (7) be made the bar (3) can not to be pushed by the bar inclined-plane (34);Institute
State the length that the distance between bar (3) and the rack gear (22) are greater than a workpiece (7).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810822935.6A CN109249258B (en) | 2018-07-25 | 2018-07-25 | Servo automatic upset machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810822935.6A CN109249258B (en) | 2018-07-25 | 2018-07-25 | Servo automatic upset machine |
Publications (2)
Publication Number | Publication Date |
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CN109249258A true CN109249258A (en) | 2019-01-22 |
CN109249258B CN109249258B (en) | 2020-07-10 |
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ID=65048929
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201810822935.6A Expired - Fee Related CN109249258B (en) | 2018-07-25 | 2018-07-25 | Servo automatic upset machine |
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CN (1) | CN109249258B (en) |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08296688A (en) * | 1995-04-24 | 1996-11-12 | Totsuku Bearing Kk | Shock absorber |
CN101439465A (en) * | 2007-11-22 | 2009-05-27 | 比亚迪股份有限公司 | Cylinder tilter |
DE102010049236A1 (en) * | 2010-09-14 | 2012-03-15 | Günther Zimmer | Singler with sliding gear |
CN202985218U (en) * | 2012-11-09 | 2013-06-12 | 上海吉控传动系统有限公司 | 180 degrees upender for cylinder |
CN203449070U (en) * | 2013-08-21 | 2014-02-26 | 吉林省金沙数控机床有限公司 | Turnover device for machining disk-shaped workpieces |
CN204487255U (en) * | 2015-02-15 | 2015-07-22 | 金石机器人常州有限公司 | Process and assemble material flow line |
CN105129407A (en) * | 2015-08-25 | 2015-12-09 | 大连豪森设备制造有限公司 | Pneumatic gear stopper |
CN105923364A (en) * | 2016-06-28 | 2016-09-07 | 广西北流市智宇陶瓷自动化设备有限公司 | Automatic green body turnover machine |
CN106516714A (en) * | 2016-11-14 | 2017-03-22 | 西安航天精密机电研究所 | Stopping and distributing mechanism on production conveyor line body |
CN206562164U (en) * | 2017-01-24 | 2017-10-17 | 安徽途辉自动化装备有限公司 | A kind of wire body stop device detection means |
-
2018
- 2018-07-25 CN CN201810822935.6A patent/CN109249258B/en not_active Expired - Fee Related
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08296688A (en) * | 1995-04-24 | 1996-11-12 | Totsuku Bearing Kk | Shock absorber |
CN101439465A (en) * | 2007-11-22 | 2009-05-27 | 比亚迪股份有限公司 | Cylinder tilter |
DE102010049236A1 (en) * | 2010-09-14 | 2012-03-15 | Günther Zimmer | Singler with sliding gear |
CN202985218U (en) * | 2012-11-09 | 2013-06-12 | 上海吉控传动系统有限公司 | 180 degrees upender for cylinder |
CN203449070U (en) * | 2013-08-21 | 2014-02-26 | 吉林省金沙数控机床有限公司 | Turnover device for machining disk-shaped workpieces |
CN204487255U (en) * | 2015-02-15 | 2015-07-22 | 金石机器人常州有限公司 | Process and assemble material flow line |
CN105129407A (en) * | 2015-08-25 | 2015-12-09 | 大连豪森设备制造有限公司 | Pneumatic gear stopper |
CN105923364A (en) * | 2016-06-28 | 2016-09-07 | 广西北流市智宇陶瓷自动化设备有限公司 | Automatic green body turnover machine |
CN106516714A (en) * | 2016-11-14 | 2017-03-22 | 西安航天精密机电研究所 | Stopping and distributing mechanism on production conveyor line body |
CN206562164U (en) * | 2017-01-24 | 2017-10-17 | 安徽途辉自动化装备有限公司 | A kind of wire body stop device detection means |
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Granted publication date: 20200710 |