CN208880751U - A kind of Pneumatic clamping jaw for machine-building - Google Patents
A kind of Pneumatic clamping jaw for machine-building Download PDFInfo
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- CN208880751U CN208880751U CN201821639007.8U CN201821639007U CN208880751U CN 208880751 U CN208880751 U CN 208880751U CN 201821639007 U CN201821639007 U CN 201821639007U CN 208880751 U CN208880751 U CN 208880751U
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- connecting rod
- collet
- raised
- clamping
- clamping jaw
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Abstract
The utility model discloses a kind of Pneumatic clamping jaws for machine-building, belong to mechanical frock technical field, which includes cylinder, collet and link mechanism, and the cylinder connect with the link mechanism and for driving the collet clamping workpiece；The collet includes connecting pin and clamping end, the connecting pin is connect with the link mechanism, the clamping end is for holding workpiece tightly, cushion is fixed on the inside of the clamping end, the cushion outer surface is equipped with protrusion, when solving existing clamping jaw clamping workpiece, the problem of being easily damaged workpiece, damage when not only reducing clamping to outer surface of workpiece, also improves the being completely embedded property between clamping jaw and workpiece, convenient for preferably clamping.
Description
Technical field
The utility model relates to mechanical frock technical field, in particular to a kind of Pneumatic clamping jaw for machine-building.
Background technique
Pneumatic clamping jaw also known as pneumatic-finger, pneumatic gripping finger are using compressed air as power, for clamping or grabbing
The executive device of workpiece, in machine-building process of manufacture, clamping jaw is usually used in clamping and transferring part.
The Chinese patent that Authorization Notice No. is CN205708795U, authorized announcement date is on November 23rd, 2016 discloses one
Connecting rod lever grasping mechanism, including cylinder and cylinder motion bar are planted, is connected with connecting rod A and connecting rod on the cylinder motion bar
B, the connecting rod A and the end connecting rod B difference hinged jaws A and the end clamping jaw B, the front bottom end of the clamping jaw A and clamping jaw B
It is connected with V-arrangement clamping jaw, the V-arrangement clamping jaw bottom has fixture block.
It is in place of the deficiencies in the prior art, mechanical workpieces are made of rigid mostly, and fixture block would generally also use
Hard, rigid material manufacture, therefore when fixture block clamping workpiece, always there is gap between fixture block and workpiece, is unfavorable for locating clip
It takes, and is easily damaged workpiece during clamping, workpiece surface is caused to wear, or even deformation or fracture.
Utility model content
The purpose of the utility model is to provide a kind of Pneumatic clamping jaws for machine-building, and which solve the clampings of existing clamping jaw
When workpiece, the problem of being easily damaged workpiece.
The above-mentioned technical purpose of the utility model has the technical scheme that
A kind of Pneumatic clamping jaw for machine-building, including cylinder, collet and link mechanism, the cylinder and the connecting rod
Mechanism connects and for driving the collet clamping workpiece；
The collet includes connecting pin and clamping end, and the connecting pin is connect with the link mechanism, and the clamping end is used
In holding workpiece tightly, cushion is fixed on the inside of the clamping end, the cushion outer surface is equipped with protrusion.
Using the above structure, when clamping workpiece, start cylinder so that cylinder catch bar is protruding and pass through link transmission
Collet is driven to hold workpiece tightly, under the cooperation of cushion and protrusion, grappling fixture will tightly pick up workpiece.Cushion be clipped in workpiece and
Between collet, being completely embedded property is improved, convenient for preferably clamping, while liner and buffering can be played the role of, reduce clamping
When damage to outer surface of workpiece.The setting of protrusion, can increase the frictional force on cushion surface, convenient for preferably clamping and shifting
Workpiece.
It advanced optimizes are as follows: the protrusion includes the first protrusion and the second protrusion；
First protrusion is rectangular blocky and is located in the middle part of the cushion, first protrusion be equipped with it is multiple, it is multiple
First protrusion is equidistantly arranged side by side along the short transverse of the collet；
Second protrusion is located at the described first raised two sides, and second convex outer surface is to far from first protrusion
Direction inclination, second convex cross section are right-angled trapezium.
Using the above structure, workpiece is reduced to the activity of cushion two sides, and, accurate positioning inclined with anti-pinch clamps relatively stable.
It advanced optimizes are as follows: the collet connecting pin is bolted with the link mechanism.
Using the above structure, different workpieces need different collet clampings, and being bolted can be easy to disassemble, is conducive to chuck replacing
With the later period maintenance of clamping jaw and renew.
Advanced optimize are as follows: the collet connecting pin is located on the outside of the link mechanism, the collet connecting pin with it is described
It is equipped with gasket between link mechanism, is provided with the through-hole passed through for the bolt on the gasket.
Using the above structure, the opening angle of collet is adjusted by adding and subtracting quantity or the thickness of gasket, not convenient for clamping
With the workpiece of size, using flexible is preferable.
It advanced optimizes are as follows: further include bottom plate and support plate, the support plate is fixed on the bottom plate, the cylinder peace
Loaded on the bottom plate；
The link mechanism includes first connecting rod, second connecting rod and third connecting rod, the cylinder catch bar and the third
Fixed in the middle part of connecting rod, the third connecting rod both ends are connected separately with the second connecting rod, described second connecting rod one end and described the
Three-link rotation connection, the other end are connect with the first connecting rod, and described first connecting rod one end and second connecting rod rotation connect
It connects, the other end is connect with the collet connecting pin, and pin hole up and down, peace in the pin hole are offered on the first connecting rod
Equipped with positioning pin, the positioning pin is rotatably assorted with the first connecting rod and lower end is fixed on the bottom plate.
Using the above structure, when clamping workpiece, start cylinder, so that cylinder catch bar is protruding and third is pushed to connect
Bar drives collet to hold workpiece tightly by the transmission between first connecting rod, second connecting rod and third connecting rod.
It advanced optimizes are as follows: the clamping end is equipped with limiting section, and the limiting section is located at the collet end.
Using the above structure, it reduces workpiece to fall, while being convenient for positioning clamping.
It advanced optimizes are as follows: the cushion and the protrusion are that rubber is made.
Using the above structure, there is excellent resilience, and oil resistant, pressure resistance, wear-resisting, it can be durable.
It advanced optimizes are as follows: there are two the collet is set, two collets are to be arranged in parallel and cooperate clamping.
Using the above structure, activity control is more convenient, and occupied space is smaller.
In conclusion the utility model has the following beneficial effects: starting cylinder when clamping workpiece, so that cylinder pushes
Bar is protruding and pushes third connecting rod, drives collet to hold workpiece tightly by link transmission, in the cooperation of cushion and protrusion
Under, grappling fixture will tightly pick up workpiece.When cylinder bounces back, clamping jaw is opened, so that workpiece is placed into designated position.Cushion is clipped in
Between workpiece and collet, being completely embedded property is improved, convenient for preferably clamping, while liner and buffering can be played the role of, subtracted
Damage when clamping less to outer surface of workpiece.The setting of protrusion, can increase the frictional force on cushion surface, convenient for preferably clamping
With transfer workpiece, and reduce workpiece to cushion two sides activity, accurate positioning inclined with anti-pinch, clamp it is relatively stable.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of embodiment, is mainly used for embodying the structure of clamping jaw；
Fig. 2 is the schematic side view of embodiment, is mainly used for embodying the structure of clamping jaw；
Fig. 3 is the partial schematic diagram of embodiment, is mainly used for embodying the structure of the first protrusion and the second protrusion；
Fig. 4 is the partial schematic diagram of embodiment, is mainly used for embodying the structure of gasket.
In figure, 1, bottom plate；2, cylinder；3, support plate；4, link mechanism；41, first connecting rod；42, second connecting rod；43,
Three-link；44, pin hole；45, positioning pin；5, collet；51, connecting pin；52, clamping end；53, limiting section；54, cushion；55, convex
It rises；551, the first protrusion；552, the second protrusion；6, gasket；7, through-hole.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Embodiment: a kind of Pneumatic clamping jaw for machine-building, as shown in Figure 1,2,3, 4, including bottom plate 1, support plate 3,
Cylinder 2, collet 5 and link mechanism 4.Cylinder 2 connect with link mechanism 4 and for driving collet 5 to clamp workpiece, and support plate 3 is solid
Due to 1 side of bottom plate, cylinder 2 is installed in support plate 3.Link mechanism 4 includes that first connecting rod 41, second connecting rod 42 and third connect
Fixed in the middle part of bar 43,2 catch bar of cylinder and third connecting rod 43,43 both ends of third connecting rod are connected separately with second connecting rod 42.Second
42 one end of connecting rod and third connecting rod 43 are rotatablely connected, and the other end is connect with first connecting rod 41, and 41 one end of first connecting rod connects with second
Bar 42 is rotatablely connected, and the other end is connect with collet 5.Pin hole 44 up and down is offered on first connecting rod 41, pin hole 44 is located at
Between 41 middle part of first connecting rod and 42 connecting pin 51 of first connecting rod 41 and second connecting rod and close to 41 middle part one end of first connecting rod.Pin
Positioning pin 45 is installed, positioning pin 45 and first connecting rod 41 are rotatably assorted and lower end is fixed on 1 upper surface of bottom plate in hole 44.
Referring to Fig.1,2,3,4, there are two collet 5 is set, two collets 5 are to be arranged in parallel and cooperate clamping.Collet 5 includes connecting
End 51 and clamping end 52 are connect, connecting pin 51 is located at 41 outside of first connecting rod and connect by bolt with first connecting rod 41, connecting pin
It is equipped with gasket 6 between 51 and first connecting rod 41, is provided with the through-hole 7 passed through for bolt, screw bolt passes connecting pin on gasket 6
51, it gasket 6 and first connecting rod 41 and is fixed.Clamping end 52 is fixed with cushion on the inside of clamping end 52 for holding workpiece tightly
54,54 outer surface of cushion is equipped with protrusion 55, and cushion 54 and protrusion 55 are that rubber is made.Protrusion 55 includes the first protrusion
551 and second protrusion 552, the first protrusion 551 be it is rectangular blocky and be located at 54 middle part of cushion, the first protrusion 551 be equipped with it is multiple,
Multiple first protrusions 551 are equidistantly arranged side by side along the short transverse of collet 5.Second protrusion 552 is located at the first 551 liang of protrusion
Side, the second protrusion 552 are equipped with multiple, and multiple second protrusions 552 are matrix arrangements, and the second raised 552 appearances are away from first
Raised 551 directions inclination, the second raised 552 cross sections are right-angled trapezium.Clamping end 52 be equipped with limiting section 53, limiting section 53
In 5 end of collet.
Use process and principle: when clamping workpiece, start cylinder 2, so that 2 catch bar of cylinder is protruding and pushes third
Connecting rod 43 drives collet 5 to hold workpiece tightly by link transmission, and under the cooperation of cushion 54 and protrusion 55, grappling fixture will tightly
Pick up workpiece.When cylinder 2 bounces back, collet 5 is opened, so that workpiece is placed into designated position.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (8)
1. a kind of Pneumatic clamping jaw for machine-building, it is characterized in that: including cylinder (2), collet (5) and link mechanism (4), institute
Cylinder (2) is stated to connect with the link mechanism (4) and for driving the collet (5) to clamp workpiece；
The collet (5) includes connecting pin (51) and clamping end (52), and the connecting pin (51) and the link mechanism (4) are even
It connects, the clamping end (52) is fixed with cushion (54), the cushion on the inside of the clamping end (52) for holding workpiece tightly
(54) outer surface is equipped with raised (55).
2. a kind of Pneumatic clamping jaw for machine-building according to claim 1, it is characterized in that: the protrusion (55) includes
First raised (551) and second raised (552)；
Described first raised (551) are rectangular blocky and are located in the middle part of the cushion (54) that described first raised (551) are equipped with
Multiple, multiple described first raised (551) are equidistantly arranged side by side along the short transverse of the collet (5)；
Described second raised (552) are located at described first raised (551) two sides, described second raised (552) be equipped with it is multiple, it is multiple
Described second raised (552) outer surface is tilted to far from the described first raised (551) direction.
3. a kind of Pneumatic clamping jaw for machine-building according to claim 1, it is characterized in that: the collet (5) connects
End (51) is bolted with the link mechanism (4).
4. a kind of Pneumatic clamping jaw for machine-building according to claim 3, it is characterized in that: the collet (5) connects
End (51) is located on the outside of the link mechanism (4), is equipped between collet (5) connecting pin (51) and the link mechanism (4)
Gasket (6) is provided with the through-hole (7) passed through for the bolt on the gasket (6).
5. a kind of Pneumatic clamping jaw for machine-building according to claim 1, it is characterized in that: further include bottom plate (1) and
Support plate (3), the support plate (3) are fixed on the bottom plate (1), and the cylinder (2) is installed on the bottom plate (1)；
The link mechanism (4) includes first connecting rod (41), second connecting rod (42) and third connecting rod (43), and the cylinder (2) pushes away
Fixed in the middle part of lever and the third connecting rod (43), third connecting rod (43) both ends are connected separately with the second connecting rod
(42), described second connecting rod (42) one end and the third connecting rod (43) are rotatablely connected, the other end and the first connecting rod (41)
Connection, described first connecting rod (41) one end and the second connecting rod (42) are rotatablely connected, the other end and the collet (5) connecting pin
(51) it connects, pin hole (44) up and down is offered on the first connecting rod (41), positioning is installed in the pin hole (44)
It sells (45), the positioning pin (45) is rotatably assorted with the first connecting rod (41) and lower end is fixed on the bottom plate (1).
6. a kind of Pneumatic clamping jaw for machine-building according to claim 1, it is characterized in that: on the clamping end (52)
Equipped with limiting section (53), the limiting section (53) is located at the collet (5) end.
7. a kind of Pneumatic clamping jaw for machine-building according to claim 1, it is characterized in that: the cushion (54) and
The protrusion (55) is that rubber is made.
8. a kind of Pneumatic clamping jaw for machine-building according to claim 1, it is characterized in that: the collet (5) is equipped with
Two, two collets (5) are to be arranged in parallel and cooperate clamping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821639007.8U CN208880751U (en) | 2018-09-25 | 2018-09-25 | A kind of Pneumatic clamping jaw for machine-building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821639007.8U CN208880751U (en) | 2018-09-25 | 2018-09-25 | A kind of Pneumatic clamping jaw for machine-building |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208880751U true CN208880751U (en) | 2019-05-21 |
Family
ID=66515361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821639007.8U Expired - Fee Related CN208880751U (en) | 2018-09-25 | 2018-09-25 | A kind of Pneumatic clamping jaw for machine-building |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208880751U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110900266A (en) * | 2019-12-16 | 2020-03-24 | 贵溪奥泰铜业有限公司 | Novel anchor clamps are used in cast member processing |
| CN111037645A (en) * | 2019-12-05 | 2020-04-21 | 大同新成新材料股份有限公司 | Punching machine for up-and-down moving clamping type intelligent carbon sliding plate and punching method thereof |
| CN112355700A (en) * | 2020-11-25 | 2021-02-12 | 上汽通用五菱汽车股份有限公司 | Grabbing clamp structure of engine cylinder cover |
| CN112720128A (en) * | 2020-12-28 | 2021-04-30 | 陈超 | Rubber pipeline processingequipment |
-
2018
- 2018-09-25 CN CN201821639007.8U patent/CN208880751U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111037645A (en) * | 2019-12-05 | 2020-04-21 | 大同新成新材料股份有限公司 | Punching machine for up-and-down moving clamping type intelligent carbon sliding plate and punching method thereof |
| CN110900266A (en) * | 2019-12-16 | 2020-03-24 | 贵溪奥泰铜业有限公司 | Novel anchor clamps are used in cast member processing |
| CN112355700A (en) * | 2020-11-25 | 2021-02-12 | 上汽通用五菱汽车股份有限公司 | Grabbing clamp structure of engine cylinder cover |
| CN112720128A (en) * | 2020-12-28 | 2021-04-30 | 陈超 | Rubber pipeline processingequipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190521 Termination date: 20200925 |
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| CF01 | Termination of patent right due to non-payment of annual fee |