CN102238861A

CN102238861A - Clamping device

Info

Publication number: CN102238861A
Application number: CN2010101577713A
Authority: CN
Inventors: 李昇军; 许寿国; 梁献全
Original assignee: Hongfujin Precision Industry Shenzhen Co Ltd; Hon Hai Precision Industry Co Ltd
Current assignee: Zhongshan Yunchuang Intellectual Property Service Co ltd; Scienbizip Consulting Shenzhen Co Ltd
Priority date: 2010-04-28
Filing date: 2010-04-28
Publication date: 2011-11-09
Anticipated expiration: 2030-04-28
Also published as: CN102238861B

Abstract

The invention relates to a clamping device, which is arranged on a mechanical arm and comprises a base, at least one group of clamping pieces, at least two clamping fixing pieces connected with the base and a prop piece; each group of clamping pieces comprise at least two clamping pieces which can be mutually overlapped or staggered and are fixedly clamped between the two clamping fixing pieces; the prop piece is used for propping at least two clamping pieces to make the two clamping pieces staggered for clamping a workpiece. The clamping device can adjust the size of clamping according to processing conditions, is used for clamping components of different sizes, is convenient to clamp, and has high working efficiency.

Description

Clamping device

Technical field

The present invention relates to a kind of clamping device, relate in particular to a kind of clamping device that is used for the clamping electronic component.

Background technology

Generally be provided with the circuit board that is used to load electronic component in all kinds of electronic devices at present, and general electronic component need use the mechanical clamp fingering row clamping that is connected in manipulator, and put to the circuit board relevant position.Yet the dimensions that mechanical clamp refers to is fixing usually, element that can only the corresponding single size of clamping in its use.As the element that has multiple size on the circuit board, then need use a plurality of different mechanical clamp fingering row clampings, and the folder that needs to install a plurality of different sizes refers to carry out clamping, complex operation and inefficiency in clamping.

Summary of the invention

In view of above content, be necessary to provide a kind of convenience the element of different size to be carried out the clamping device of clamping.

A kind of clamping device, it is located on the mechanical arm, this clamping device comprises pedestal, at least one group of holder, is connected at least two retaining pieces of pedestal and pushes part, every group of holder comprises at least two holders of can be overlapped or staggering, every group of holder is immobilizated between two retaining pieces, pushes part and is used to push at least two holders at least two holders are staggered mutually with holding workpiece.

Above-mentioned clamping device pushes holder and makes holder overlapped or stagger and act on the clamping size of the workpiece of clamping with change by pushing part, thus element that can the multiple size of clamping.This clamping device can be adjusted the clamping size according to the processing situation, and the element of different size is carried out clamping, the convenient and high efficiency of clamping.

Description of drawings

Fig. 1 is the schematic perspective view of the clamping device of preferred embodiment of the present invention.

Fig. 2 is the three-dimensional exploded view of clamping device shown in Figure 1.

Fig. 3 is the schematic perspective view that pushes part of clamping device shown in Figure 1.

The main element symbol description

Clamping device 10

Pedestal 11

Fixture 12

Holder 13

Counterpart 15

Retaining piece 17

Push part 19

Adaptor 21

Keeper 23

Connecting portion 121

Auxiliary section 131

Clamping part 133

Spacing hole 1311

Cooperate fillet 1313

Inclined side 1331

First department of assembly 151

Second department of assembly 153

Side

154,1910

Fixing

hole

155,1735,216

Stage portion 1512

Holding part 171

Holding parts 173

Storage tank 1711

Gathering sill 1731

Mating groove 1733

Connecting rod 191

Pushing portion 193

Portion 195 is connected

Guide protrusions 1911

Locating surface 1912

Location hole 1914

Spacing sidewall 1930

Pushing surface 1931

Limited step 1933

Push fillet 1935

Switching part 212

Locking part 214

Sleeve 231

Positioning bead 233

Elastic component 235

Embodiment

Below in conjunction with execution mode clamping device of the present invention is described in further detail.

See also Fig. 1 and Fig. 2, the clamping device 10 of the embodiment of the invention is used for electronic component (figure does not show) is grasped.Clamping device 10 comprises pedestal 11, fixture 12, holder 13, counterpart 15, retaining piece 17, pushes part 19, adaptor 21 and keeper 23.

Pedestal 11 is roughly rectangular-shaped, and it is used to connect manipulator (figure does not show) so that manipulator drives clamping device 10 motions.Fixture 12 is connected in pedestal 11, and fixture 12 is provided with the connecting portion 121 into cuboid.In the present embodiment, fixture 12 has two.

Holder 13 is the thin type plate, and it comprises rectangular auxiliary section 131 and clamping part 133.131 middle parts, auxiliary section offer square spacing hole 1311, and auxiliary section 131 a wherein end is provided with cooperation fillet 1313.The 131 ends extensions away from cooperation fillet 1313 form clamping part 133 from the auxiliary section.Clamping part 133 is roughly a right angle triangle, and it has an inclined side 1331.Inclined side 1331 and cooperation fillet 1313 are positioned at the same side of holder 13.Also be provided with on the inclined side 1331 and be used to increase the sawtooth (figure does not show) that grasps frictional force.In the present embodiment, clamping device 10 is provided with two groups of holders 13, and every group has seven holders 13, is appreciated that the quantity of holder 13 is not limited to seven, also can be two or more.

Counterpart 15 is roughly bulk, and it comprises first department of assembly 151 and second department of assembly 153.The first V-type groove of department of assembly 151 for forming from one of counterpart 15 sunken end face.In the present embodiment, two sides 154 adjacent with this end face are run through in first department of assembly 151.Be formed with a plurality of stage portion 1512 on two sidewalls of first department of assembly 151.Second department of assembly 153 is oneself and the outstanding V-type projection identical with V-type groove bearing of trend of the end face opposing end faces that forms first department of assembly 151.Also offer fixing hole 155 on the counterpart 15, fixing hole 155 runs through the side adjacent with two sides 154.

Retaining piece 17 comprises holding part 171 and the holding parts 173 that is connected with holding part 171.Holding part 171 is roughly cube, is formed with storage tank 1711 on it, the semi-circular recesses that storage tank 1711 forms for the side-facing depressions from holding part 171.Be formed with gathering sill 1731 on the holding parts 173 and be used for the mating groove 1733 that part is accommodated counterpart 15.Gathering sill 1731, mating groove 1733 and storage tank 1711 all are opened in the same side of retaining piece 17.The bearing of trend of the bearing of trend of gathering sill 1731 and storage tank 1711 is perpendicular.The bottom of mating groove 1733 offers the fixing hole 1735 corresponding with fixing hole 155.In the present embodiment, retaining piece 17 has four.

Please push part 19 and comprise connecting rod 191, pushing portion 193 and the portion 195 that is connected simultaneously referring to Fig. 3.Connecting rod 191 is a quadrangular, the locating surface 1912 that it comprises two relative sides 1910 and connects two sides 1910.Each side 1910 is provided with the guide protrusions 1911 of a bar shaped, and guide protrusions 1911 matches with the shape of gathering sill 1731 along connecting rod 191 bearing of trend extensions and shape.Offer a plurality of location holes 1914 on the locating surface 1912.In the present embodiment, a plurality of location holes 1914 are arranged in order along the bearing of trend of connecting rod 191.Pushing portion 193 is formed at an end of connecting rod 191, is the V-type projection of extending from the side collapse relative with locating surface 1912, and it is the V-type corresponding with first department of assembly 151 along the cross sectional shape perpendicular to the bearing of trend of connecting rod 191.Pushing portion 193 is provided with relative two V-shaped spacing sidewalls 1930 and connects the pushing surface 1931 of two spacing sidewalls 1930.Pushing surface 1931 tilts to the other end from the end that connecting rod 191 is provided with pushing portion 193, and forms the angles of spending less than 90 with guide protrusions 1911 bearing of trends.In the present embodiment, pushing surface 1931 is 45 degree with the angle of guide protrusions 1911 bearing of trends.Be formed with a plurality of limited steps 1933 on the spacing sidewall 1930, an end of limited step 1933 close pushing surfaces 1931 is formed with and pushes fillet 1935.The portion 195 that is connected is located at the other end of connecting rod 191.The portion 195 that is connected is roughly cylindric.

Adaptor 21 comprises that the switching part 212 that is used for cooperating with connecting portion 121 reaches two locking parts 214 that vertical bending is extended from the two ends of switching part 212.Two locking parts 214 preset distance of being separated by.Offer fixing hole 216 on each locking part 214.

Keeper 23 comprises sleeve 231, positioning bead 233 and elastic component 235.Sleeve 231 1 ends have roof (figure is mark not).In the present embodiment, elastic component 235 is a spring, is appreciated that elastic component 235 also can be resilient sleeve.Elastic component 235 is contained in the sleeve 231 and an end supports roof.Positioning bead 233 parts are contained in sleeve 231 and support the end of elastic component 235 away from roof.

During assembling, the spacing hole 1311 of one group of holder 13 is sheathed on counterpart 15 respectively, makes the upper wall that surrounds spacing hole 1311 support a plurality of stage portion 1512 respectively, two sidewalls that surround spacing hole 1311 support two sides 154 respectively.Two retaining pieces 17 place counterpart 15 both sides respectively, make counterpart 15 parts be contained in mating groove 1733, retaining piece 17 fixing counterparts 15 and a plurality of holder 13.The gathering sill 1731 with two retaining pieces 17 is corresponding respectively to make two guide protrusions 1911 that push part 19, and makes a side that pushes the part close cooperation in 19 edges fillet 1313 slide straight corresponding with the storage tank 1711 of two retaining pieces 17 away from the location hole 1914 of the portion 195 that is connected along gathering sill 1731.At this moment, keeper 23 is inserted storage tank 1711, make positioning bead 233 parts insert location hole 1914.Two locking parts 214 of adaptor 21 are placed the outside of two retaining pieces 17 respectively, make fixing hole 216, fixing hole 1735 and fixing hole 155 correspondences, use steady pin (figure does not show) that retaining piece 17 and counterpart 15 are fixed to adaptor 21.The connecting portion 121 that the switching part 212 of adaptor 21 is fixed to fixture 12 gets final product.Making uses the same method installs another group holder 13, and the inclined side 1331 that makes two groups of holders 13 is mutually away from setting.At last, pedestal 11 is connected in manipulator (figure does not show).

When using clamping device 10, manipulator promotes this clamping device 10, the clamping part 133 that makes a plurality of holders 13 supports a plane (figure does not show) simultaneously away from an end of auxiliary section 131, support the end of second department of assembly 153 of counterpart 15 until one of them holder 13 away from first department of assembly 151, at this moment, a plurality of holders 13 no longer support stage portion 1512.The a plurality of holders 13 that are arranged at same adaptor 21 this moment are overlapping, and the inclined side 1331 of a plurality of holders 13 is positioned at same plane.

When needing the gripping workpiece, in the hole on the clamping part 133 insertion workpiece of two groups of holders 13, inclined side 1331 until two groups of holders supports workpiece simultaneously, promotes to push part 19 and makes a pair of part 19 that pushes close mutually, and positioning bead 233 compression elastic pieces 235 also slide along locating surface 1912.Pushing surface 1931 at first supports the cooperation fillet 1313 of a plurality of holders 13, because pushing surface 1931 has certain angle of inclination, pushing surface 1931 imposes on the active force that holder 13 moves to close stage portion 1512 along two sides 154 of counterpart 15, cooperate fillet 1313 to slide along pushing surface 1931, support the stage portion corresponding with it 1512 until it, the auxiliary section 131 of holder 13 supported the limited step 1933 that pushes part 19 away from an end of clamping part 133 and slided along limited step 1933 this moment.The position difference of the stage portion 1512 that each holder 13 supports in every group of holder 13 makes holder 13 move distance differences, thereby makes a plurality of holder 13 staggered.

Because the cross section of pushing portion 193 is a V-type, in every group of holder 13, the move distance maximum of the holder 13 that mediates, the move distance of holder 13 of position of keeping to the side successively decreases successively, inclined side 1331 forms an angle with the direction of motion of holder 13, thereby make the inclined side 1331 of a plurality of holders 13 in every group of holder 13 outwards outstanding, and be positioned at the outwards outstanding distance maximum of holder 13 in centre position, thereby can clamping work pieces.

This clamping device 10 can be adjusted the clamping size according to the processing situation, and the element of different size is carried out clamping, and clamping is convenient.

Be appreciated that this clamping device 10 also can include only one group of holder 13, but rely on this to organize a plurality of holder 13 overlapped or also holding workpieces that stagger.At this moment, the clamping part 133 of holder 13 also can be other shapes, and as rectangle, the two ends holding workpiece of using clamping part 133 to stagger mutually gets final product.

Be appreciated that counterpart 15 can omit, two retaining pieces 17 clamped a plurality of holders 13 and limited its direction of motion and get final product this moment, got final product when the auxiliary section 131 of a plurality of holders 13 supports the limited step 1933 that pushes on the part 19 respectively away from an end of clamping part 133.

Be appreciated that the pushing surface 1931 that pushes on the part 19 can not be that also inclined-plane, this moment push part 19 and directly support holder 13 from the auxiliary section 131 of a plurality of holders 13 away from an end of clamping part 133 and support a limited step 1933 until each holder 13 and also can.

Be appreciated that those skilled in the art also can do other variation in spirit of the present invention, certainly, the variation that these are done according to spirit of the present invention all should be included in the present invention's scope required for protection.

Claims

1. clamping device, it is located on the mechanical arm, this clamping device comprises pedestal, at least one group of holder, is connected at least two retaining pieces of this pedestal and pushes part, every group of holder comprises at least two holders of can be overlapped or staggering, every group of clamp assemblies is immobilizated between two retaining pieces, and this pushes part and is used to push these at least two holders these at least two holders are staggered mutually with holding workpiece.

2. clamping device as claimed in claim 1 is characterized in that: this pushes part and comprises pushing portion, and this pushing portion has a plurality of limited steps, and these at least two holders support different limited steps respectively to stagger mutually.

3. clamping device as claimed in claim 2 is characterized in that: the cross section of this pushing portion is a V-type, and it has two V-shaped spacing sidewalls, and this limited step is located at this spacing sidewall.

4. clamping device as claimed in claim 3, it is characterized in that: this pushes part and also comprises connecting rod, this connecting rod has two relative sides, be respectively equipped with the guide protrusions of bar shaped on these two sides, be formed with gathering sill on this retaining piece, this pushing portion be located between two retaining pieces and guide protrusions along gathering sill slidably, this pushing portion is formed with the side that this connecting rod links to each other with these two sides, and this pushing portion comprises the pushing surface that connects two spacing sidewalls, and this pushing surface and this guide protrusions glide direction form the angle less than 90 degree.

5. clamping device as claimed in claim 4, it is characterized in that: this clamping device is provided with keeper, this retaining piece offers storage tank, this pushes on the connecting rod of part and offers a plurality of location holes that are arranged in order along the guide protrusions bearing of trend, described keeper accommodate and fix this storage tank and pressure holding in described location hole with the described part location that pushes.

6. clamping device as claimed in claim 5 is characterized in that: this keeper comprises sleeve, is contained in the elastic component of this sleeve, part is contained in this sleeve and support the positioning bead of this elastic component.

7. clamping device as claimed in claim 4 is characterized in that: this holder is provided with the cooperation fillet near this side that pushes the pushing surface of part.

8. clamping device as claimed in claim 4 is characterized in that: an end of close this pushing surface of this limited step is formed with and pushes fillet.

9. clamping device as claimed in claim 1, it is characterized in that: this clamping device also comprises counterpart, this counterpart comprises first department of assembly, this first department of assembly is the V-type groove, be formed with a plurality of stage portion on two sidewalls of this first department of assembly, offer square spacing hole on this holder, this spacing hole is sheathed on the corresponding stage portion of this auxiliary section and each holder, and this pushes part and pushes these at least two holders and support this stage portion so that these at least two holders stagger mutually until it.

10. clamping device as claimed in claim 1 is characterized in that: this holder comprises clamping part, this clamping part have one with this holder pushing the inclined side that the direction of motion forms an angle under the part effect.