CN102699715A - Clamping device - Google Patents

Clamping device Download PDF

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Publication number
CN102699715A
CN102699715A CN2012101977518A CN201210197751A CN102699715A CN 102699715 A CN102699715 A CN 102699715A CN 2012101977518 A CN2012101977518 A CN 2012101977518A CN 201210197751 A CN201210197751 A CN 201210197751A CN 102699715 A CN102699715 A CN 102699715A
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CN
China
Prior art keywords
pressing plate
clamping
workpiece
plate
jointed shaft
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Granted
Application number
CN2012101977518A
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Chinese (zh)
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CN102699715B (en
Inventor
祝笔裕
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangxi Wanan Auto Chassis System Co. Ltd.
Original Assignee
ANHUI VIE AUTOMOBILE PARTS Co Ltd
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Application filed by ANHUI VIE AUTOMOBILE PARTS Co Ltd filed Critical ANHUI VIE AUTOMOBILE PARTS Co Ltd
Priority to CN201210197751.8A priority Critical patent/CN102699715B/en
Publication of CN102699715A publication Critical patent/CN102699715A/en
Application granted granted Critical
Publication of CN102699715B publication Critical patent/CN102699715B/en
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Anticipated expiration legal-status Critical

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Abstract

The invention discloses a clamping device. A supporting plate for supporting a machined piece is arranged on a base; a pressing plate is arranged above the supporting plate; a lifting mechanism is arranged on the base; the upper end of the lifting mechanism is hinged with the pressing plate; a hinge shaft forming hinge connection is flush with the pressing plate, positioned on the symmetric central line of the pressing plate and perpendicular to the lifting direction of the lifting mechanism; an elastic pressing head is arranged on the lower plate surface of the pressing plate; and a clamping part for clamping a workpiece is formed in a region between the elastic pressing head and the supporting plate. The pressing plate is hinged with the upper end of the lifting mechanism, so that the pressing plate can quickly clamp and release a plurality of workpieces at one time; and therefore, the operation time for clamping and releasing the workpeices is shortened, the machining efficiency of machining equipment is improved, and the production cost is reduced.

Description

A kind of clamping device
Technical field
The present invention relates to the process equipment field of vehicle part, be specifically related to a kind of clamping device that is used for the clamping workpiece.
Background technology
At present; The processing of automobile chassis class ironcasting is mainly still accomplished through process equipments such as machining center, numerically controlled lathe, broaching machine, large-scale punch presses; At these process equipments workpiece is added man-hour; Need be through operating manually with after the workpiece clamping, process equipment just can be processed workpiece.But in actual production, some problem below clamping work pieces exists manually, at first the workpiece fixing operation time long, prolong the efficient of workpiece processing, increase production cost; The poor accuracy of secondly artificial location fixedly the time; The product precision that processes is unstable, particularly for the processing of brake holder series products, and the special and machining accuracy requirement of the shape of workpiece own; Therefore defective work is more, causes the unnecessary wasting of resources.
Summary of the invention
The purpose of this invention is to provide a kind of clamping device, can carry out clamping fast, increase production efficiency, reduce production cost a plurality of workpiece.
For realizing above-mentioned purpose; The present invention has adopted following technical scheme: a kind of clamping device is characterized in that: base is provided with the supporting plate that is used to hold in the palm the support workpiece, and the top of said supporting plate is provided with pressing plate; Also be provided with elevating mechanism on the said base; The upper end and the pressing plate of said elevating mechanism are articulated and connected, and the jointed shaft that said formation is articulated and connected is concordant with pressing plate and be positioned on the symmetrical center line of pressing plate, the vertical layout of up-down direction of said jointed shaft and elevating mechanism; The lower face of said pressing plate is provided with compensating squeeze head, and the zone between described compensating squeeze head and the supporting plate constitutes the clamping part of clamping workpiece.
Upper end through with pressing plate and elevating mechanism is articulated and connected, and so just can make pressing plate once a plurality of workpiece carried out clamping fast with loose, reduces workpiece is carried out the operating time and the working (machining) efficiency that improves process equipment of clamping and unloading, reduces production cost.
Description of drawings
Fig. 1 is a front view of the present invention;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the assembling sketch map of the present invention and workpiece;
Fig. 4 is the structural representation of piston rod and connector.
The specific embodiment
Primary and foremost purpose of the present invention is to be to provide a kind of can carry out carrying out fast and automatically clamping and loose clamping device to a plurality of workpieces, reduces workpiece is added the time that man-hour is fastening and unload, and the scheme that it adopted does; As shown in Figure 1; A kind of clamping device, base 10 are provided with the supporting plate 11 that is used to hold in the palm the support workpiece, and the top of said supporting plate 11 is provided with pressing plate 20; Also be provided with elevating mechanism on the said base 10; The upper end of said elevating mechanism and pressing plate 20 are articulated and connected, and the jointed shaft 50 that said formation is articulated and connected and pressing plate 20 are concordant and be positioned on the symmetrical center line of pressing plate 20, the vertical layout of up-down direction of said jointed shaft 50 and elevating mechanism; The lower face of said pressing plate 20 is provided with compensating squeeze head 21, and the zone between described compensating squeeze head 21 and the supporting plate 11 constitutes the clamping part of clamping workpiece.Described elevating mechanism is that oil cylinder 30 constitutes, and the termination portion of the piston rod 31 of said oil cylinder 30 is made up of jointed shaft 50 and pressing plate 20 and is articulated and connected.The upper end formation that the present invention chooses pressing plate 20 and piston rod 31 is articulated and connected; Because the length of piston rod 31 is short and displacements piston rod 31 upper ends are limited; Therefore the area of space of clamping is not too large between pressing plate 20 and the supporting plate 11; With pressing plate 20 and piston rod 31 be arranged to be articulated and connected can be convenient to difformity, larger-size a plurality of workpieces at pressing plate 20 and when fixedly the placement between the supporting plate 11 and clamping are fastening pressing plate 20 seek suitable pressing point on the surfaces of workpiece easily; Guarantee the reliability of workpiece clamping, being articulated and connected in addition also can prevent piston rod 31 when carrying out stretching motion, when the 20 pairs of workpieces of pressing plate that are positioned at jointed shaft 50 both sides carry out clamping piston rod 31 each to unbalance stress; Cause piston rod 31 bendings, influence the overall performance of clamping device.The setting of compensating squeeze head 21 also is to be convenient to workpiece accurate in locating and clamping simultaneously.
During practical implementation; Can implement by Fig. 4; The upper end of said piston rod 31 is provided with jointed shaft 50 and constitutes the connector 32 that is articulated and connected, and described connector 32 is that the circular or oval plate body that a upright shape is arranged constitutes, and the connecting hole 321 that cooperates with jointed shaft is offered at the middle part of said plate body.The through hole that holds connector 32 is offered at pressing plate 20 middle parts like this; Jointed shaft 50 and pressing plate 20 Joints; Thereby realize being articulated and connected reliably of piston rod 31 and pressing plate 20, can the upper and lower side of plate body be offered during concrete operations and be set to concordant shape, so that piston rod 31 connects.
Further scheme is as shown in Figure 2, and said pressing plate 20 is provided with secondary pressing plate 40 with the both sides that jointed shaft 50 parallels, and described pressing plate 20 is articulated and connected by bearing pin 60 with secondary pressing plate 40, and described bearing pin 60 is all vertical with the up-down direction of jointed shaft 50 and elevating mechanism.Among the present invention because the upper end of employing pressing plate 20 middle parts and piston rod 31 formation is articulated and connected; Therefore, once can carry out clamping, can improve the working (machining) efficiency of process equipment so greatly two workpieces; Reduce the number of times that process equipment stops and drives simultaneously, the protection process equipment.Since the plate face of actual mechanical process center platen 20 can not be provided with bigger, therefore secondary pressing plate 40 is set in the both sides that jointed shaft 50 parallels, through the cooperation of secondary pressing plate 40 and supporting plate 11, further guarantee the fastness of workpiece clamping.Like this when integral retaining; Just be equivalent to be divided into four clamping parts to the whole clamping zone of clamping device by the axis of jointed shaft 50 and the axis of bearing pin 60; When needs carry out clamping to workpiece, just will first workpiece at first be installed in the clamping part of four clamping part split sheds maximum like this through secondary pressing plate 40 and pressing plate 20 are arranged to the skewed of slope maximum respectively; After first workpiece installs; To be arranged to reverse maximum inclination state with the secondary pressing plate 40 that first workpiece is in homonymy again, so that second workpiece to be installed, after second workpiece installs in another clamping part of homonymy; Pressing plate 20 is arranged to reverse maximum inclination state, the opposite side of clamping device is installed third and fourth workpiece.Here said reverse maximum inclination the state the highest opposite or minimum state that to be acupressure probe 20 or secondary pressing plate 40 can be in respect to itself original state about a side of jointed shaft 50 or bearing pin 60 symmetries.Like this after all workpieces install; Oil cylinder 30 will drive pressing plate 20 and fit on the surface of each workpiece at first successively with secondary pressing plate 40 and contact; When pressing plate 20 and secondary pressing plate 40 were in same horizontal plane, oil cylinder 30 just drives pressing plate 20 and secondary pressing plate 40, and simultaneously a plurality of workpiece to be carried out clamping fastening.Such design can further make stretches stroke hour on oil cylinder 30 top, a plurality of larger-size workpiece are carried out frock fast, and it is identical to guarantee that adding of a plurality of workpieces held effect, prevents piston rod 31 bendings.
Because this type of picture brake-caliper support workpiece; Its planform is complicated and high at the requirement on machining accuracy that adds man-hour; Therefore when assurance is carried out quick firm grip to workpiece, also need guarantee the accurate location of workpiece on clamping device, so that process equipment is to the high-precision processing of workpiece; So specific embodiments further of the present invention does; Be provided with fixed head 12 between described pressing plate 20 and the supporting plate 11, described fixed head 12 middle parts offer the through hole that supplies piston rod 31 to pass through, and are respectively arranged with the flexible positioning piece 121 that workpiece is positioned on said fixed head 12 and the secondary pressing plate 40 corresponding two sides.Said supporting plate 11 is provided with the projection 111 that workpiece is positioned, and described projection 111 is symmetrical set along jointed shaft (50).Described compensating squeeze head 21 is made up of the spring that is provided with in the vestibule of offering on pressing plate 11 lower faces steel ball that links to each other with the spring outer end, and said compensating squeeze head 21 is respectively arranged with two along jointed shaft 50 symmetrical both sides.Be provided with between supporting plate 20 and the pedestal 10 and be connected side plate 13.The setting of flexible positioning piece 121 and projection 111 all is for workpiece accurate in locating on clamping device; When mounted; The compensating squeeze head 21 that is provided with on flexible positioning piece 121 and pressing plate 20 lower faces carries out the location of horizontal direction and vertical respectively to workpiece, guarantee the fixing of workpiece clamping on brake apparatus and the accuracy of location, makes that further process equipment can be to the high-precision processing of carrying out of brake-caliper support; Guarantee product quality and enhance productivity, reduce percent defective.The present invention in the specific implementation, the setting of flexible positioning piece 121 also can be carried out according to the mode of compensating squeeze head 21, offers through hole and spring is set within it in fixed head 12 corresponding sides, the outer end of spring connects little steel ball.In addition on pressing plate 13 lower faces of the dual-side of fixed head 12 and jointed shaft 50 both sides, be provided with two flexible positioning pieces 121 and compensating squeeze head 21 along fore-and-aft direction respectively, like this to the clamping and locating effect the best of the workpiece of jointed shaft 50 both sides.
In a word, like Fig. 1,2,3, shown in 4, when workpiece is installed; This moment, the piston rod 31 of oil cylinder 21 was in the jacking state, and spacing is maximum between pressing plate 20 and the supporting plate 11, and workpiece is placed on corresponding position on the supporting plate 11 respectively; Carry out accurate in locating, and then start oil cylinder 30, piston rod 31 retractions; Thereby the clamping that workpiece is firm, process equipment such as milling machine just can once be processed a plurality of brake-caliper supports like this.Simultaneously can on a process equipment, a plurality of clamping devices be set; Also can a plurality of supporting plates 11 and pressing plate 20 be set at same base 10; Further improve working (machining) efficiency; Can the width with the inner fluting of workpiece of the thickness setting of supporting plate 11 be consistent among the present invention, to guarantee the workpiece firm grip and the accurate effect of location.Architecture of the present invention is simple, and is easy to operate, can once grip effectively a plurality of workpieces; And the high-precision process operation of process equipment to workpiece is convenient in the accurate positioning of each workpiece, guarantees product quality and enhances productivity; Reduce percent defective, reduce production cost.

Claims (7)

1. clamping device; It is characterized in that: base (10) is provided with the supporting plate (11) that is used to hold in the palm the support workpiece; The top of said supporting plate (11) is provided with pressing plate (20); Said base also is provided with elevating mechanism on (10); The upper end of said elevating mechanism and pressing plate (20) are articulated and connected, and the jointed shaft that said formation is articulated and connected (50) is concordant with pressing plate (20) and be positioned on the symmetrical center line of pressing plate (20), the vertical layout of up-down direction of said jointed shaft (50) and elevating mechanism; The lower face of said pressing plate (20) is provided with compensating squeeze head (21), and the zone between described compensating squeeze head (21) and the supporting plate (11) constitutes the clamping part of clamping workpiece.
2. clamping device as claimed in claim 1 is characterized in that: described elevating mechanism is that oil cylinder (30) constitutes, and the termination portion of the piston rod (31) of said oil cylinder (30) is articulated and connected by jointed shaft (50) and pressing plate (20) formation.
3. clamping device as claimed in claim 1; It is characterized in that: said pressing plate (20) is provided with secondary pressing plate (40) with the both sides that jointed shaft (50) parallels; Described pressing plate (20) is articulated and connected by bearing pin (60) with secondary pressing plate (40), and described bearing pin (60) is all vertical with the up-down direction of jointed shaft (50) and elevating mechanism.
4. clamping device as claimed in claim 1; It is characterized in that: be provided with fixed head (12) between described pressing plate (20) and the supporting plate (11); Described fixed head (12) middle part offers the through hole that supplies piston rod (31) to pass through, and is respectively arranged with the flexible positioning piece (121) that workpiece is positioned on said fixed head (12) and the corresponding two side of secondary pressing plate (40).
5. clamping device as claimed in claim 2; It is characterized in that: the upper end of said piston rod (31) is provided with jointed shaft (50) and constitutes the connector (32) that is articulated and connected; Described connector (32) is that the circular or oval plate body that a upright shape is arranged constitutes, and the connecting hole (321) that cooperates with jointed shaft is offered at the middle part of said plate body.
6. clamping device as claimed in claim 4 is characterized in that: said supporting plate (11) is provided with the projection (111) that workpiece is positioned, and described projection (111) is symmetrical set along jointed shaft (50).
7. clamping device as claimed in claim 1; It is characterized in that: described compensating squeeze head (21) is by the spring that is provided with in the vestibule of offering on pressing plate (11) lower face steel ball formation that links to each other with the spring outer end, and said compensating squeeze head (21) is respectively arranged with two along the symmetrical both sides of jointed shaft (50).
CN201210197751.8A 2012-06-15 2012-06-15 Clamping device Active CN102699715B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201210197751.8A CN102699715B (en) 2012-06-15 2012-06-15 Clamping device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201210197751.8A CN102699715B (en) 2012-06-15 2012-06-15 Clamping device

Publications (2)

Publication Number Publication Date
CN102699715A true CN102699715A (en) 2012-10-03
CN102699715B CN102699715B (en) 2014-04-09

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103862306A (en) * 2014-03-31 2014-06-18 万世泰金属工业(昆山)有限公司 General clamping device
CN104999290A (en) * 2015-07-16 2015-10-28 佛山市普拉迪数控科技有限公司 Special clamp for solar panel frame
CN105269486A (en) * 2015-10-26 2016-01-27 昆山鸿志犀自动化机电设备有限公司 Pneumatic locking mechanism
CN106424795A (en) * 2016-10-20 2017-02-22 成都久欣时代科技有限公司 Novel spring type fixture for blade boring
CN106624914A (en) * 2016-11-23 2017-05-10 歌尔股份有限公司 Swing pressing mechanism

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1759596A1 (en) * 1990-07-09 1992-09-07 Волжское объединение по производству легковых автомобилей Clamping mechanism
CN201224034Y (en) * 2008-07-16 2009-04-22 无锡市中捷减震器有限公司 Pneumatic fixture for milling machine
CN201239887Y (en) * 2008-08-15 2009-05-20 天润曲轴股份有限公司 Air clamper
CN201271806Y (en) * 2008-09-10 2009-07-15 镁联科技(芜湖)有限公司 Quick clamping device
CN201940917U (en) * 2010-11-09 2011-08-24 强胜精密机械(苏州)有限公司 Pneumatic clamping device
CN202701823U (en) * 2012-06-15 2013-01-30 安徽万安汽车零部件有限公司 Clamping device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1759596A1 (en) * 1990-07-09 1992-09-07 Волжское объединение по производству легковых автомобилей Clamping mechanism
CN201224034Y (en) * 2008-07-16 2009-04-22 无锡市中捷减震器有限公司 Pneumatic fixture for milling machine
CN201239887Y (en) * 2008-08-15 2009-05-20 天润曲轴股份有限公司 Air clamper
CN201271806Y (en) * 2008-09-10 2009-07-15 镁联科技(芜湖)有限公司 Quick clamping device
CN201940917U (en) * 2010-11-09 2011-08-24 强胜精密机械(苏州)有限公司 Pneumatic clamping device
CN202701823U (en) * 2012-06-15 2013-01-30 安徽万安汽车零部件有限公司 Clamping device

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103862306A (en) * 2014-03-31 2014-06-18 万世泰金属工业(昆山)有限公司 General clamping device
CN104999290A (en) * 2015-07-16 2015-10-28 佛山市普拉迪数控科技有限公司 Special clamp for solar panel frame
CN104999290B (en) * 2015-07-16 2017-08-29 佛山市普拉迪数控科技有限公司 A kind of solar energy panel frame special fixture
CN105269486A (en) * 2015-10-26 2016-01-27 昆山鸿志犀自动化机电设备有限公司 Pneumatic locking mechanism
CN106424795A (en) * 2016-10-20 2017-02-22 成都久欣时代科技有限公司 Novel spring type fixture for blade boring
CN106424795B (en) * 2016-10-20 2019-03-12 成都久欣时代科技有限公司 A kind of boring spring frock clamp of new blade
CN106624914A (en) * 2016-11-23 2017-05-10 歌尔股份有限公司 Swing pressing mechanism
CN106624914B (en) * 2016-11-23 2019-06-25 歌尔股份有限公司 Swing type hold-down mechanism

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Effective date of registration: 20190801

Address after: No. 16, Heng Six Road, Cheyuan, Yufeng District, Liuzhou City, Guangxi 545000

Patentee after: Guangxi Wanan Auto Chassis System Co. Ltd.

Address before: Changfeng County of Hefei City, Anhui province 231137 Gang Ji Zhen Wan An Avenue

Patentee before: Anhui Vie Automobile Parts Co., Ltd.

TR01 Transfer of patent right