CN202701823U - Clamping device - Google Patents

Clamping device Download PDF

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Publication number
CN202701823U
CN202701823U CN 201220284398 CN201220284398U CN202701823U CN 202701823 U CN202701823 U CN 202701823U CN 201220284398 CN201220284398 CN 201220284398 CN 201220284398 U CN201220284398 U CN 201220284398U CN 202701823 U CN202701823 U CN 202701823U
Authority
CN
China
Prior art keywords
pressing plate
clamping
workpiece
plate
jointed shaft
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.)
Expired - Fee Related
Application number
CN 201220284398
Other languages
Chinese (zh)
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.)
ANHUI VIE AUTOMOBILE PARTS Co Ltd
Original Assignee
ANHUI VIE AUTOMOBILE PARTS Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by ANHUI VIE AUTOMOBILE PARTS Co Ltd filed Critical ANHUI VIE AUTOMOBILE PARTS Co Ltd
Priority to CN 201220284398 priority Critical patent/CN202701823U/en
Application granted granted Critical
Publication of CN202701823U publication Critical patent/CN202701823U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a clamping device, a support plate used for supporting a machining piece is arranged on a base seat, a pressing plate is arranged above of the support plate, a lifting mechanism is further arranged on the base seat, and an upper end of the lifting mechanism is connected with the pressing plate in a hinged mode; a hinge shaft which forms the hinge joint is parallel to and level with the pressing plate and is located on a centre of symmetry line of the pressing plate, and the hinge shaft and the lifting direction of the lifting mechanism are perpendicularly arranged; and a lower plate face of the pressing plate is provided with an elastic pressing head, and a clamping part used for clamping workpieces is formed on an area between the elastic pressing head and the support plate. By means of hinge joint of the pressing plate and the upper end of the lifting mechanism, the clamping device can enable the pressing plate to rapidly clamp and loosen a plurality of workpieces in one step, reduces operating time of clamping and unloading of the workpieces, improves machining efficiency of machining equipment, and reduces production cost.

Description

A kind of clamping device
Technical field
The utility model relates to the process equipment field of vehicle part, is specifically related to a kind of clamping device for the clamping workpiece.
Background technology
At present, the processing of automobile chassis class ironcasting is mainly still finished by 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 to be by operating manually behind the Workpiece clamping, process equipment just can be processed workpiece.But in actual production, there is following some problem in clamping work pieces manually, at first the workpiece fixing operation time long, prolong the efficient of workpiece processing, increase production cost; Secondly the poor accuracy of 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 utility model provides a kind of clamping device, can carry out fast clamping to a plurality of workpiece, increases production efficiency, Decrease production cost.
For achieving the above object, the utility model has adopted following technical scheme: a kind of clamping device, it is characterized in that: base is provided with the supporting plate for holder support workpiece, the top of described supporting plate is provided with pressing plate, also be provided with elevating mechanism on the described base, upper end and the pressing plate of described elevating mechanism are articulated and connected, the jointed shaft that described formation is articulated and connected is concordant with pressing plate and be positioned on the symmetrical center line of pressing plate, the lifting perpendicular direction of described jointed shaft and elevating mechanism is arranged, be provided with compensating squeeze head on the lower face of described pressing plate, the zone between described compensating squeeze head and the supporting plate consists of the clamping part of holding workpiece.
Be articulated and connected by the upper end with pressing plate and elevating mechanism, so just can reduce workpiece is carried out the operating time of clamping and unloading and the working (machining) efficiency of raising process equipment so that pressing plate once carries out fast clamping and loose to a plurality of workpiece, reduce production cost.
Description of drawings
Fig. 1 is front view of the present utility model;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is the assembling schematic diagram of the utility model and workpiece;
Fig. 4 is the structural representation of piston rod and connector.
The specific embodiment
Primary and foremost purpose of the present utility model is to be to provide a kind of can carry out fast a plurality of workpieces, automatically carry out clamping and loose clamping device, minimizing adds the time that man-hour is fastening and unload to workpiece, its scheme that adopts is, as shown in Figure 1, a kind of clamping device, base 10 is provided with the supporting plate 11 for holder support workpiece, the top of described supporting plate 11 is provided with pressing plate 20, also be provided with elevating mechanism on the described base 10, the upper end of described elevating mechanism and pressing plate 20 are articulated and connected, the jointed shaft 50 that described formation is articulated and connected and pressing plate 20 are concordant and be positioned on the symmetrical center line of pressing plate 20, described jointed shaft 50 is arranged with the lifting perpendicular direction of elevating mechanism, be provided with compensating squeeze head 21 on the lower face of described pressing plate 20, the zone between described compensating squeeze head 21 and the supporting plate 11 consists of the clamping part of holding workpiece.Described elevating mechanism is that oil cylinder 30 consists of, and the termination section of the piston rod 31 of described oil cylinder 30 is made of jointed shaft 50 and pressing plate 20 and is articulated and connected.The upper end formation that the utility model is chosen pressing plate 20 and piston rod 31 is articulated and connected, because the length displacements shorter and piston rod 31 upper ends of piston rod 31 are limited, therefore the area of space of clamping is not too large between pressing plate 20 and the supporting plate 11, pressing plate 20 and piston rod 31 be arranged to be articulated and connected be convenient to difformity, larger-size a plurality of workpiece at pressing plate 20 with when fixedly the placement between the supporting plate 11 and clamping are fastening pressing plate 20 easily seek suitable pressing point on the surfaces of workpiece, guarantee the reliability of workpiece clamping, be articulated and connected in addition and can prevent that also piston rod 31 is 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, affect the overall performance of clamping device.The setting of compensating squeeze head 21 also is to be convenient to workpiece locate accurately and clamping simultaneously.
During implementation, can implement by Fig. 4, the upper end of described piston rod 31 is provided with jointed shaft 50 and consists of the connector 32 that is articulated and connected, and described connector 32 is that the circular or oval plate body that a vertical shape is arranged consists of, and the connecting hole 321 that cooperates with jointed shaft is offered at the middle part of described 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, the upper and lower side of plate body can be offered during concrete operations and be set to concordant shape, so that piston rod 31 connects.
Further scheme as shown in Figure 2, the both sides that described pressing plate 20 parallels with jointed shaft 50 are provided with secondary pressing plate 40, described pressing plate 20 and secondary pressing plate 40 are articulated and connected by bearing pin 60, described bearing pin 60 is all vertical with the lifting direction of jointed shaft 50 and elevating mechanism.In the utility model 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 to two workpieces, can greatly improve like this working (machining) efficiency of process equipment; reduce simultaneously the number of times that process equipment stops and drives, the protection process equipment.Since the plate face of actual mechanical process center platen 20 can not arrange larger, therefore in the both sides that jointed shaft 50 parallels secondary pressing plate 40 is set, by 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 the clamping zone of clamping device integral body is divided into four clamping parts by the axis of jointed shaft 50 and the axis of bearing pin 60, like this when needs carry out clamping to workpiece, just will be by secondary pressing plate 40 and pressing plate 20 be arranged to respectively the skewed of slope maximum, the first workpiece at first is installed in the clamping part of four clamping part split shed maximums, after the first workpiece installs, to be arranged to reverse maximum inclination state with the secondary pressing plate 40 that the first workpiece is in homonymy again, so that the second workpiece to be installed in another clamping part of homonymy, after the second workpiece installs, pressing plate 20 is arranged to reverse maximum inclination state, the opposite side of clamping device is installed the 3rd, four workpieces.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 be fitted on the surface of each workpiece at first successively with secondary pressing plate 40 with dynamic pressure plate 20 and be contacted, when pressing plate 20 and secondary pressing plate 40 were in same level, it is fastening that oil cylinder 30 just is with dynamic pressure plate 20 and secondary pressing plate 40 simultaneously a plurality of workpiece to be carried out clamping.Such design can be further so that stretch stroke on oil cylinder 30 tops hour, a plurality of larger-size workpiece are carried out fast frock, and guarantee to a plurality of workpieces to add the holding effect fruit identical, prevent piston rod 31 bendings.
Because this class workpiece of picture brake-caliper support, 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 to guarantee the accurate location of workpiece on clamping device, so that process equipment is to the high accuracy processing of workpiece, so further specific embodiments of the present utility model is, 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 passes through for piston rod 31, and described fixed head 12 and secondary pressing plate 40 are respectively arranged with the flexible positioning piece 121 that workpiece is positioned on the corresponding two side.Be provided with the projection 111 that workpiece is positioned on the described supporting plate 11, described projection 111 is symmetrical arranged along jointed shaft (50).Described compensating squeeze head 21 is made of the spring that arranges in the vestibule of offering on pressing plate 11 lower faces steel ball that links to each other with the spring outer end, and described compensating squeeze head 21 is respectively arranged with two along jointed shaft 50 symmetrical both sides.Between supporting plate 20 and the pedestal 10 connecting lateral plate 13 is set.The setting of flexible positioning piece 121 and projection 111 all is to locate accurately on clamping device for workpiece, when mounted, the compensating squeeze head 21 that arranges on flexible positioning piece 121 and pressing plate 20 lower faces carries out respectively the location of horizontal direction and vertical to workpiece, guarantee the fixing of workpiece clamping on brake apparatus and the accuracy of location, further so that process equipment can be to brake-caliper support carry out high accuracy processing, guarantee product quality and enhance productivity, reduce percent defective.The utility model 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.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 in addition, best to clamping and the locating effect of the workpiece of jointed shaft 50 both sides like this.
In a word, shown in Fig. 1,2,3,4, when workpiece was 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, workpiece is placed on respectively corresponding position on the supporting plate 11, locate accurately, and then start oil cylinder 30, piston rod 31 retractions, thereby with firmly clamping of workpiece, the process equipment such as milling machine just can once be processed a plurality of brake-caliper supports like this.Simultaneously can a plurality of clamping devices be set at a process equipment, also can a plurality of supporting plates 11 and pressing plate 20 be set at same base 10, further improve working (machining) efficiency, the width with the inner fluting of workpiece of the thickness setting of supporting plate 11 can be consistent in the utility model, to guarantee workpiece firm grip and the accurate effect of location.The utility model structure is simple in structure, easy to operate, can once effectively grip a plurality of workpieces, and the accurate positioning of each workpiece, be convenient to process equipment to the high-precision process operation of workpiece, guarantee product quality and enhance 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) for holder support workpiece, the top of described supporting plate (11) is provided with pressing plate (20), described base also is provided with elevating mechanism on (10), the upper end of described elevating mechanism and pressing plate (20) are articulated and connected, the jointed shaft that described formation is articulated and connected (50) is concordant with pressing plate (20) and be positioned on the symmetrical center line of pressing plate (20), described jointed shaft (50) is arranged with the lifting perpendicular direction of elevating mechanism, be provided with compensating squeeze head (21) on the lower face of described pressing plate (20), the zone between described compensating squeeze head (21) and the supporting plate (11) consists of the clamping part of holding workpiece.
2. clamping device as claimed in claim 1 is characterized in that: described elevating mechanism is that oil cylinder (30) consists of, and the termination section of the piston rod (31) of described oil cylinder (30) is made of with pressing plate (20) jointed shaft (50) and is articulated and connected.
3. clamping device as claimed in claim 1, it is characterized in that: the both sides that described pressing plate (20) parallels with jointed shaft (50) are provided with secondary pressing plate (40), 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 lifting 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 passes through for piston rod (31), and described fixed head (12) is respectively arranged with the flexible positioning piece (121) that workpiece is positioned on the two side corresponding with secondary pressing plate (40).
5. clamping device as claimed in claim 2, it is characterized in that: the upper end of described piston rod (31) is provided with jointed shaft (50) and consists of the connector (32) that is articulated and connected, described connector (32) is that the circular or oval plate body that a vertical shape is arranged consists of, and the connecting hole (321) that cooperates with jointed shaft is offered at the middle part of described plate body.
6. clamping device as claimed in claim 4, it is characterized in that: be provided with the projection (111) that workpiece is positioned on the described supporting plate (11), described projection (111) is symmetrical arranged 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 arranges 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 described compensating squeeze head (21) is respectively arranged with two along the symmetrical both sides of jointed shaft (50).
CN 201220284398 2012-06-15 2012-06-15 Clamping device Expired - Fee Related CN202701823U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220284398 CN202701823U (en) 2012-06-15 2012-06-15 Clamping device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220284398 CN202701823U (en) 2012-06-15 2012-06-15 Clamping device

Publications (1)

Publication Number Publication Date
CN202701823U true CN202701823U (en) 2013-01-30

Family

ID=47582163

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220284398 Expired - Fee Related CN202701823U (en) 2012-06-15 2012-06-15 Clamping device

Country Status (1)

Country Link
CN (1) CN202701823U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102699715A (en) * 2012-06-15 2012-10-03 安徽万安汽车零部件有限公司 Clamping device
CN103286587A (en) * 2013-06-22 2013-09-11 芜湖盛力科技股份有限公司 Machining center tool and operation method thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102699715A (en) * 2012-06-15 2012-10-03 安徽万安汽车零部件有限公司 Clamping device
CN103286587A (en) * 2013-06-22 2013-09-11 芜湖盛力科技股份有限公司 Machining center tool and operation method thereof
CN103286587B (en) * 2013-06-22 2016-09-21 芜湖盛力科技股份有限公司 A kind of machining center tool and operational approach thereof

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Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130130

Termination date: 20180615

CF01 Termination of patent right due to non-payment of annual fee