CN208084339U - Clamping device - Google Patents
Clamping device Download PDFInfo
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- CN208084339U CN208084339U CN201820356652.2U CN201820356652U CN208084339U CN 208084339 U CN208084339 U CN 208084339U CN 201820356652 U CN201820356652 U CN 201820356652U CN 208084339 U CN208084339 U CN 208084339U
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- China
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- guide pad
- guide
- clamping device
- cramping body
- drive rod
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Abstract
The utility model is related to the technical fields of mechanical equipment,Disclose a kind of clamping device,Including gripping base and a pair of of cramping body,The first guide pad and two the second guide pads are equipped in the cavity of gripping base,Two the second guide pads are arranged and are connected with the first guide pad in opposite directions,It is respectively equipped with wedge block on two end faces up and down of first guide pad,Sliding slot corresponding with wedge block is respectively equipped on two the second guide pads,Straight line driving mechanism drives the first guide pad to move in a straight line,Wedge block on first guide pad slides in corresponding sliding slot,To be two the second guide pad moving toward one another along Y-direction by the conversion of motion of the first guide pad in X direction,Realize the parallel opening and closing of cramping body,When being resetted under the action of the elastic member due to drive rod,Elastic component is still in pre- deformed state,Cramping body keeps horizontal-clamping power under the elastic force of elastic component,Realize the clamping to workpiece,It avoids the occurrence of workpiece and throws away and hurt sb.'s feelings or workpiece falls the phenomenon that scrapping.
Description
Technical field
The utility model is related to the technical fields of mechanical equipment, more particularly to a kind of clamping device.
Background technology
Clamping device is mainly used on light-duty automated production line, for capturing light and small article, is carried out corresponding
Clamping and transfer operation, in Automated assembly field using relatively broad.
Clamping jaw product currently on the market is all generally the guiding bearing mode using the linear guide, is driven using cylinder,
The parallel opening and closing motion of clamping jaw are realized using single wedge mechanism or link mechanism, however the guiding of the linear guide is held
Load mode loads gently, and chucking power is low, stretched, be rotated or turned over using gripper mechanism grips workpiece etc. actions when, have bright
Aobvious shaking phenomenon, and under situation of the cylinder without gas, due to the low chucking power of clamping jaw be susceptible to workpiece throw away hurt sb.'s feelings or
Workpiece falls the phenomenon that scrapping.
Utility model content
The purpose of this utility model is to provide a kind of clamping device, to solve existing clamping device load gently, chucking power
Low problem.
To solve the above-mentioned problems, the utility model provides a kind of clamping device, including gripping base and a pair of of cramping body,
Straight line driving mechanism is equipped in the gripping base, the straight line driving mechanism includes the elastic component of drive rod and pre- deformation, institute
Elastic component is stated as the movement of the drive rod deforms upon and generates elastic force and acts on the drive rod；The gripping base
Front end be equipped with cavity, the first guide pad and two opposite arrangements be equipped in the cavity and are coordinated with first guide pad connect
The second guide pad connect, the front end of the drive rod are connect with first guide pad, two second guide pads respectively with
A pair of cramping body connects, and wedge block, two wedge shapes are respectively equipped on two end faces up and down of first guide pad
Block the projection intersection of the upper surface of first guide pad or lower face and extending direction about the drive rod it is symmetrical, two
Sliding slot corresponding with the wedge block is respectively equipped on a second guide pad, first guide pad passes through the wedge block
Sliding is fastened in the sliding slot.
Further, it is respectively equipped with mobile column on two wedge blocks, is respectively equipped with through-hole in two sliding slots, institute
It states and is equipped with guide groove on the upper surface of cavity and the inner wall of lower face, the mobile column passes through the through-hole and can be led along described
It is moved to slot.
Further, second guide pad includes guide part and interconnecting piece, and the guide part is arranged in the interconnecting piece
Side wall, the sliding slot is arranged on the guide part, and the cramping body is connect with the interconnecting piece.
Further, the both sides of the cavity, which are opened wide, forms opening, and the height of the interconnecting piece is more than the guide part, institute
The opening that interconnecting piece covers the cavity is stated, two second guide pads are arranged in opposite directions, shape between two guide parts
At the adapted space for accommodating first guide pad.
Further, the clamping device further includes two pinboards, and two pinboards are connected to two institutes
On the outside of the interconnecting piece for stating the second guide pad, a pair of cramping body is connected on two pinboards.
Further, the cramping body includes bare terminal end and fixing end, and the bare terminal end of a pair of cramping body is arranged in opposite directions,
The fixing end is detachably connected with the pinboard by screw.
Further, the lateral wall of the gripping base is equipped with holder, and the holder is equipped with photoelectric sensor, described
The corresponding position of pinboard is equipped with anti-dazzling screen.
Further, the square-shaped arrangement of the gripping base, first guide pad and the second guide pad are also square
Shape is arranged.
Further, the straight line driving mechanism is single-acting cylinder, and the drive rod is piston rod；The cylinder includes
Cylinder barrel, piston, piston rod and the drive end bearing bracket and rear end cap that are connected to the cylinder barrel rear and front end, the piston is by the cylinder barrel
It is divided into rod chamber and rodless cavity, the piston rod is located in the rod chamber and is connect with the piston, described elastic component one end
It is connected on the drive end bearing bracket, the other end is connected on the piston.
Further, the rear end cap is equipped with gas-tpe fitting, and the gas-tpe fitting is connected to the rodless cavity.
The utility model provides a kind of clamping device, including gripping base and a pair of of cramping body, in the cavity of gripping base
In be equipped with the first guide pad and two the second guide pads, arrangement and coordinating with the first guide pad connects in opposite directions for two the second guide pads
It connects, the drive rod of straight line driving mechanism is moved in a straight line along the directions X, and the front end of drive rod is connect with the first guide pad, and first leads
It is respectively equipped with wedge block on two end faces up and down of block, two wedge blocks are on the upper surface or lower face of the first guide pad
Projection intersection and extending direction about drive rod is symmetrical, is respectively equipped with cunning corresponding with wedge block on two the second guide pads
Slot, the first guide pad is fastened on by wedge block sliding in sliding slot, and when work, straight line driving mechanism starts, and drive rod does straight line
Movement, elastic component generate elastic force and act on drive rod, driven by drive rod as the movement of drive rod continues to deform upon
Dynamic first guide pad moves in a straight line in X direction, and the wedge block on the first guide pad slides in corresponding sliding slot, only has in cavity
In the case of one degree of freedom, two the second guide pads are moved towards Y-direction respectively, realize the movement of the first guide pad in X direction
Two the second guide pad moving toward one another along Y-direction are converted, and then realize the parallel opening of cramping body, wedge structure can also be right
Cramping body realizes boosting function, and rigidity is strong, and crawl is firm；It is opened to suitable angle when two cramping bodies are opposite, clamps work
Part, when straight line driving mechanism stops, drive rod 15 resets under the action of the elastic member, and elastic component restores to pre- deformed state, the
One guide pad and the second guide pad move in the opposite direction under the drive of drive rod, realize the parallel closing of cramping body, due to
When drive rod resets, elastic component is in pre- deformed state, and cramping body keeps horizontal-clamping power under the elastic force of the pre- deformation of elastic component,
It realizes clamping to workpiece, avoids the occurrence of workpiece and throw away and hurt sb.'s feelings or workpiece falls the phenomenon that scrapping.
Description of the drawings
Fig. 1 is the internal structure schematic diagram of clamping device in the utility model embodiment；
Fig. 2 is the external structure schematic diagram of clamping device in the utility model embodiment；
Fig. 3 is the structural schematic diagram of the first guide pad in the utility model embodiment；
Fig. 4 is the structural schematic diagram of the second guide pad in the utility model embodiment；
Fig. 5 is the cooperation schematic diagram of the first guide pad and the second guide pad in the utility model embodiment.
In figure, 1, gripping base；2, cramping body；3, pinboard；4, holder；5, photoelectric sensor；6, anti-dazzling screen；11, chamber
Body；12, the first guide pad；13, the second guide pad；14, sealing plate；15, drive rod；16, elastic component；17, cylinder；121, wedge-shaped
Block；122, mobile column；123, connecting hole；131, sliding slot；132, through-hole；133, guide part；134, interconnecting piece；171, cylinder barrel；
172, piston；173, drive end bearing bracket；174, rear end cap；175, gas-tpe fitting；1721, piston packing；21, fixing end；22, it presss from both sides
Hold end.
Specific implementation mode
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is not intended to limit the scope of the present invention for illustrating the utility model.
In the description of the present invention, it should be understood that term "upper", "lower", "left", "right", "top", "bottom" etc.
The orientation or positional relationship of instruction is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description the utility model
It is described with simplifying, does not indicate or imply the indicated device or element must have a particular orientation, with specific orientation structure
It makes and operates, therefore should not be understood as limiting the present invention.
In conjunction with shown in Fig. 1 to 5, a kind of clamping device of the utility model embodiment, including clamping are schematically showed
Pedestal 1 and a pair of of cramping body 2, cramping body 2 are used for clamping workpiece, and a pair of of cramping body 2 can be arranged in parallel, and can also be injustice
Capable, it is determined with specific reference to the actual conditions of the workpiece of clamping, straight line driving mechanism, straight line driving is equipped in gripping base 1
Structure includes drive rod 15 and the elastic component 16 of pre- deformation, and elastic component 16 is as the movement of drive rod 15 deforms upon and generates elastic force
It acts on drive rod 15；The front end of gripping base 1 is equipped with cavity 11, and the first guide pad 12 is equipped in cavity 11 and two opposite
The second guide pad 13 arranged and be connected with the first guide pad 12, the front end of drive rod 15 are connect with the first guide pad 12,
Two the second guide pads 13 are connect with a pair of of cramping body 2 respectively, and wedge block is distinguished on two end faces up and down of the first guide pad 12
121, projection of two wedge blocks 121 on the upper surface or lower face of the first guide pad 12 is intersected and about drive rod 15
Extending direction is symmetrical, and sliding slot corresponding with wedge block 121 131, the first guide pad 12 are respectively equipped on two the second guide pads 13
It is fastened in sliding slot 131 by the sliding of wedge block 121.
Specifically, it is equipped with the first guide pad 12 and two the second guide pads 13 in the cavity 11 of gripping base 1, two the
Two guide pads 13 arrange and are connected with the first guide pad 12 that the drive rod 15 of straight line driving mechanism is done directly in X direction in opposite directions
Line moves, and two the second guide pads 13 are moved toward one another along Y-direction, and the front end of drive rod 15 is connect with the first guide pad 12, and first
It is respectively equipped with wedge block 121 on two end faces up and down of guide pad 12, specifically, two wedge blocks 121 are in the first guide pad 12
Upper surface or lower face on projection intersection and extending direction about drive rod 15 it is symmetrical, on two the second guide pads 13 point
Not She You sliding slot corresponding with wedge block 121 131, the first guide pad 12 by wedge block 121 sliding be fastened in sliding slot 131,
When work, straight line driving mechanism starts, and drive rod 15 moves in a straight line, and elastic component 16 continues deformation, is driven by drive rod 15
First guide pad 12 moves in a straight line in X direction, sliding in corresponding sliding slot 131 by the wedge block 121 on the first guide pad 12
Dynamic, in the case where cavity 11 only has one degree of freedom, two the second guide pads 13 are moved towards along Y-direction respectively, realize the
The conversion of motion of one guide pad 12 in X direction is two the second moving toward one another along Y-direction of guide pad 13, and then realizes cramping body
2 parallel opening, wedge structure can realize cramping body 2 boosting function, and rigidity is strong, and crawl is firm；When two 2 phases of cramping body
To being opened to suitable angle, workpiece is clamped, when straight line driving mechanism stops, drive rod 15 is multiple under the action of elastic component 16
Position, the first guide pad 12 and the second guide pad 13 move in the opposite direction, the parallel closing of cramping body 2 are realized, due to drive rod
When 15 reset, elastic component 16 restores to pre- deformed state, and drive rod 15 still has heterodromous trend, i.e. a pair of cramping body 2 to have
The trend of closing is realized so that cramping body 2 keeps horizontal-clamping power under the elastic force of 16 pre- deformation of elastic component to workpiece
It clamps, avoids the occurrence of workpiece and throw away and hurt sb.'s feelings or workpiece falls the phenomenon that scrapping.
In the present embodiment, 1 square-shaped arrangement of gripping base, the first guide pad 12 and the second guide pad 13 are also square-shaped
Arrangement, is oriented to and is carried using rectangular positive mode, and precision is high and rigidity is strong.
Straight line driving mechanism in the utility model embodiment is cylinder 17, preferably single-acting cylinder, simple in structure, drive
Lever 15 is the piston rod of cylinder 17, and specifically, single-acting cylinder 17 includes cylinder barrel 171, piston 172, piston rod and company
It is connected on the drive end bearing bracket 173 and rear end cap 174 of 171 rear and front end of cylinder barrel, piston 172 divides cylinder barrel 171 for rod chamber and rodless cavity,
The rodless cavity that i.e. rear end cap 174, piston 172 and cylinder barrel 171 form, drive end bearing bracket 173, piston 172, cylinder barrel 171 and with work
The rod chamber of the piston rod composition of 172 connection of plug, piston 172 is equipped with piston packing 1721, for preventing piston 172 from separating
Two chamber of rod chamber and rodless cavity between mutual gas leakage, elastic component 16 is arranged on the piston rod, and 16 one end of elastic component abuts
On drive end bearing bracket 173, the other end is connected on piston 172.
Elastic component in the present embodiment is preferably spring, and spring can be directly set on drive rod 15, can also be
It is arranged in cylinder barrel 171, is distributed in 15 both sides of drive rod, realizes spring as the movement of drive rod 15 is on the basis of pre- deformation
Continue to deform upon, when drive rod 15 resets, spring energy continues to act on drive rod 15 caused by the spring of pre- deformation
On, keep cramping body 2 to have the tendency that closing so that cramping body 2 keeps clamping force under the elastic force of 16 pre- deformation of elastic component, avoids
There is workpiece and throw away to hurt sb.'s feelings or workpiece falls the phenomenon that scrapping.
Further, gas-tpe fitting 175 is equipped on rear end cap 174, gas-tpe fitting 175 is connected to rodless cavity, when from nothing
When rod cavity inputs compressed air, rod chamber is vented, and pressure difference is formed between two cavitys 11 of cylinder 17, and pressure difference forms masterpiece
Overcome resistance that piston 172 is pushed to move with it is made on piston 172 so that piston rod stretches out, and is arranged elasticity on the piston rod
Part 16 is compressed, and piston rod pushes the movement of the first guide pad 12, so that the second guide pad with the cooperation of the first guide pad 12
13 movements, realize 2 parallel opening of cramping body；When stopping ventilating, elastic component 16 restores deformation, and piston rod, which is retracted, to be resetted, cramping body 2
Parallel closing keeps the horizontal-clamping power of cramping body 2 at this time under the elastic force of 16 pre- deformation of elastic component, realizes the folder to workpiece
Tightly.
In the present embodiment, the middle part of the first guide pad 12 is equipped with the connecting hole 123 passed through for drive rod 15, and drive rod 15 is worn
It crosses connecting hole 123 to connect with the first guide pad 12, realizes that drive rod 15 drives the movement of the first guide pad 12.
Further, it is respectively equipped with mobile column 122 on two wedge blocks 121, through-hole is respectively equipped in two sliding slots 131
132, guide groove is equipped on the upper surface of cavity 11 and the inner wall of lower face, cylinder 17 drives piston rod to stretch out, and first is oriented to
Block 12 moves in a straight line in X direction under the action of piston rod, and mobile column 122 is moved across through-hole 132 along guide groove, in turn
Realize the guiding role of 17 the first guide pad of piston rod pair 12 of cylinder.
Specifically, the second guide pad 13 includes guide part 133 and interconnecting piece 134, and guide part 133 is connected to interconnecting piece 134
Sidewall bottom, the height of interconnecting piece 134 is more than guide part 133, two the second guide pads 13 arrangement in opposite directions, specifically, two
Second guide pad 13 is arranged in opposite directions along Y-direction, and the adapted space for accommodating the first guide pad 12 is formed between two guide parts 133,
Wedge block 121 on first end face of guide pad about 12 two slides respectively to be fastened in the sliding slot 131 of the second guide pad 13, real
The mating connection of existing first guide pad 12 and two the second guide pads 13.
The both sides of cavity 11 are opened wide and form opening, and the front end of cavity 11 is closed equipped with sealing plate 14, and the setting of sliding slot 131 exists
On guide part 133, interconnecting piece 134 covers the opening of cavity 11, when the first guide pad 12 moves in a straight line in X direction, by
In in the interior only Y-direction one degree of freedom of cavity 11, the wedge block 121 and the second guide pad 13 on the first guide pad 12
Sliding slot 131 is matched under resultant motion, and the first guide pad 12 travels forward, work of second guide pad 13 in wedge block 121 and sliding slot 131
Under, the component along Y-direction is generated, two the second guide pads 13 are pushed open along Y-direction in opposite directions respectively, realizes the flat of cramping body 2
Row is opened.
Further, clamping device further includes two pinboards 3, and two pinboards 3 are connected to the outer of interconnecting piece 134
Side, a pair of of cramping body 2 are connected on pinboard 3, it is preferable that and a pair of of cramping body 2 is connected to the inside of pinboard 3,
Pass through and pinboard 3 is set so that two cramping bodies 2 are respectively positioned on the front of gripping base 1, can shorten between two cramping bodies 2
Distance, ensure when driving mechanism does not work, two cramping bodies 2 can be closed in opposite directions.
In the present embodiment, cramping body 2 includes bare terminal end 22 and fixing end 21, and bare terminal end 22 is used for clamping workpiece, fixing end
21 with pinboard 3 for being connected and fixed, and specifically, the bare terminal end 22 of a pair of of cramping body 2 is parallel and opposite arrangement, by clamping
Body 2 applies chucking power so that the clamping face of two bare terminal ends 22 arranged in opposite directions clamps workpiece, prevents workpiece from loosening, fixing end
21 are detachably connected with pinboard 3 by screw, and pinboard 3 is also to be detachably connected by screw with the second guide pad 13, just
It is installed in safeguarding.
In the present embodiment, holder 4 is equipped on the lateral wall of gripping base 1, holder 4 is equipped with photoelectric sensor 5, switching
The corresponding position of plate 3 is equipped with anti-dazzling screen 6, i.e. anti-dazzling screen 6 is located at photoelectric sensor 5 in same horizontal line, in cramping body 2
It moves in parallel during being opened and closed, with the movement of pinboard 3, the light of photoelectric sensor 5 is hidden by anti-dazzling screen 6
Gear, photoelectric sensor 5 feed back shielding signals to main controlling element, and the signal that operator can be fed back by main controlling element judges
The opening and closing situation of clamping jaw, to realize the full closed loop control of clamping jaw.
It should be understood that describing various information, but these using term " first ", " second " etc. in the utility model
Information should not necessarily be limited by these terms, these terms are only used for same type of information being distinguished from each other out.For example, not departing from this
In the case of utility model range, " first " information can also be referred to as " second " information, similar, and " second " information can also
It is referred to as " first " information.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without deviating from the technical principle of the utility model, several improvement and replacement can also be made, these change
The scope of protection of the utility model is also should be regarded as into replacement.
Claims (10)
1. a kind of clamping device, which is characterized in that including gripping base and a pair of of cramping body, straight line is equipped in the gripping base
Driving mechanism, the straight line driving mechanism include the elastic component of drive rod and pre- deformation, and the elastic component is with the drive rod
Movement deform upon and generate elastic force and act on the drive rod；The front end of the gripping base is equipped with cavity, the chamber
The second guide pad for being equipped with the first guide pad and two opposite arrangements in body and being connected with first guide pad, the drive
The front end of lever is connect with first guide pad, and two second guide pads are connect with a pair of cramping body respectively, institute
It states and is respectively equipped with wedge block on two end faces up and down of the first guide pad, two wedge blocks are upper first guide pad
Projection intersection on end face or lower face and extending direction about the drive rod is symmetrical, on two second guide pads point
Not She You sliding slot corresponding with the wedge block, first guide pad by the wedge block sliding be fastened on the sliding slot
In.
2. clamping device as described in claim 1, which is characterized in that it is respectively equipped with mobile column on two wedge blocks, two
It is respectively equipped with through-hole in a sliding slot, guide groove, the shifting are equipped on the upper surface of the cavity and the inner wall of lower face
Dynamic column passes through the through-hole and can be moved along the guide groove.
3. clamping device as described in claim 1, which is characterized in that second guide pad includes guide part and interconnecting piece,
The guide part is arranged the side wall in the interconnecting piece, and the sliding slot is arranged on the guide part, the cramping body with it is described
Interconnecting piece connects.
4. clamping device as claimed in claim 3, which is characterized in that the both sides of the cavity are opened wide and form opening, the company
The height of socket part is more than the guide part, and the interconnecting piece covers the opening of the cavity, two the second guide pad phases
To arrangement, the adapted space for accommodating first guide pad is formed between two guide parts.
5. clamping device as claimed in claim 3, which is characterized in that the clamping device further includes two pinboards, two
The pinboard is connected on the outside of the interconnecting piece of two second guide pads, and a pair of cramping body is connected to two
On a pinboard.
6. clamping device as claimed in claim 5, which is characterized in that the cramping body includes bare terminal end and fixing end, a pair
The bare terminal end of the cramping body arranges that the fixing end is detachably connected with the pinboard by screw in opposite directions.
7. clamping device as claimed in claim 5, which is characterized in that the lateral wall of the gripping base is equipped with holder, institute
It states holder and is equipped with photoelectric sensor, the corresponding position of the pinboard is equipped with anti-dazzling screen.
8. clamping device as described in any one of claim 1 to 7, which is characterized in that the square-shaped arrangement of gripping base,
First guide pad and the second guide pad also square-shaped arrangement.
9. clamping device as described in claim 1, which is characterized in that the straight line driving mechanism is single-acting cylinder, described
Drive rod is piston rod；The cylinder includes cylinder barrel, piston, piston rod and the drive end bearing bracket for being connected to the cylinder barrel rear and front end
And the cylinder barrel is divided into rod chamber and rodless cavity by rear end cap, the piston, the piston rod be located in the rod chamber and with
The piston connection, described elastic component one end are connected on the drive end bearing bracket, and the other end is connected on the piston.
10. clamping device as claimed in claim 9, which is characterized in that the rear end cap is equipped with gas-tpe fitting, the tracheae
Connector is connected to the rodless cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820356652.2U CN208084339U (en) | 2018-03-15 | 2018-03-15 | Clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820356652.2U CN208084339U (en) | 2018-03-15 | 2018-03-15 | Clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208084339U true CN208084339U (en) | 2018-11-13 |
Family
ID=64059101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820356652.2U Active CN208084339U (en) | 2018-03-15 | 2018-03-15 | Clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208084339U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108247628A (en) * | 2018-03-15 | 2018-07-06 | 浙江大学华南工业技术研究院 | Clamping device |
-
2018
- 2018-03-15 CN CN201820356652.2U patent/CN208084339U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108247628A (en) * | 2018-03-15 | 2018-07-06 | 浙江大学华南工业技术研究院 | Clamping device |
| CN108247628B (en) * | 2018-03-15 | 2024-04-05 | 浙江大学华南工业技术研究院 | Clamping mechanism |
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