CN206066479U - A kind of pair of pawl gripper - Google Patents
A kind of pair of pawl gripper Download PDFInfo
- Publication number
- CN206066479U CN206066479U CN201621023324.8U CN201621023324U CN206066479U CN 206066479 U CN206066479 U CN 206066479U CN 201621023324 U CN201621023324 U CN 201621023324U CN 206066479 U CN206066479 U CN 206066479U
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- Prior art keywords
- pawl
- gas
- pair
- type
- pawls
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Abstract
This utility model is related to a kind of pair of pawl gripper, including duplex cylinder, gas pawl installing plate and two pairs of gas pawls, the duplex cylinder has two piston rods, piston rod has coniform head, duplex cylinder front end is provided with gas pawl installing plate, and two pairs of gas pawls are installed on the gas pawl installing plate, and each pair gas pawl includes two L-type pawls, the galianconism of each L-type pawl is fixed with gas pawl installing plate by the first bearing pin, and each pair gas pawl is located in front of a piston rod.This utility model adopts horizontally disposed duplex cylinder and L-type pawl, can clamp the two ends of the electric wire of duplex cylinder lower horizontal bending.Hinge structure, this utility model not only significantly reduce the height of gripper, improve the rigidity of gripper, also clamping efficiency is doubled, takes up room.
Description
Technical field
This utility model is related to electric wire manufacture field, more particularly to a kind of pair of pawl gripper.
Background technology
In electric wire processing industry, line equipment processed is frequently necessary to clamp electric wire movement, in prior art it is many by gripper come
Realize the movement of electric wire.It is cylinder pawl that existing machinery pawl is most, and its basic structure is by a pair of grippers of an air cylinder driven, machine
Machinery claw is arranged on pivoted arm or other movement slide blocks, realizes the clamping of electric wire and mobile two purposes.
Gripper and the most linearly arrangements of cylinder in prior art, afterbody is cylinder, and anterior is gripper and driver
Structure (such as lever, rack-and-pinion etc.), piston rod promote drive mechanism, drive gripper to close up or open.This layout causes cylinder
Pawl whole height is higher, volume is larger, and when drawing electric wire is needed, the rigidity of cylinder pawl is poor.Additionally, a cylinder pawl only has
A pair of grippers, it is impossible to while clamping to the two ends of electric wire.
Utility model content
In view of this, it is necessary to for above-mentioned problem, this utility model provides a kind of pair of pawl gripper.
To achieve these goals, the present invention is adopted the following technical scheme that：
A kind of pair of pawl gripper, including duplex cylinder, gas pawl installing plate and two pairs of gas pawls, the duplex cylinder have two
Piston rod, piston rod have coniform head, and duplex cylinder front end is provided with gas pawl installing plate, install on the gas pawl installing plate
Two pairs of gas pawls, each pair gas pawl include two L-type pawls, and the galianconism of each L-type pawl is fixed with gas pawl installing plate by the first bearing pin, often
Gas pawl is located in front of a piston rod.
Preferably, the duplex cylinder is horizontally disposed, and the galianconism of L-type pawl is parallel with piston rod movement direction, the length of L-type pawl
Arm and duplex vertical cylinder.
Preferably, the galianconism of each L-type pawl is fixed by the second bearing pin and bearing, when piston rod travels forward, coniform
Head can push the bearing on the galianconism with two L-type pawls in a pair of gas pawls open, to realize that gas pawl is clamped.The present invention is by arranging
Sliding friction between coniform head and L-type pawl galianconism is transformed to the rolling between coniform head and bearing by bearing
Friction, reduces the abrasion of coniform head, improves gas pawl service life；Reducing friction resistance, improves gas pawl chucking power simultaneously.
Preferably, back-moving spring is provided between the galianconism of two L-type pawls in each pair gas pawl.In order to preferably make L-type pawl
Galianconism reset, the present invention set up back-moving spring between two galianconism, a pair of gas pawls are strutted by back-moving spring.
Preferably, low-angle conical section of the coniform head comprising anterior wide-angle conical section and rear portion.
Preferably, in the wide-angle conical section, the angle of taper seat and central shaft is 30 ° -60 °, the low-angle circular cone
In section, the angle of taper seat and central shaft is 5 ° -25 °.
Preferably, there is the frustum of a cone mistake of certain radian between wide-angle conical section and low-angle conical section by outline
Cross.The present invention has the frustum of a cone (having arc surface) of certain radian by arranging outline, realizes the circle of two different angles
The transition of cone section, can reduce bearing and roll across or impact when L-type pawl galianconism end slips over separating surface.
Compared with prior art, this utility model has the advantages that：
(1) this utility model adopts horizontally disposed duplex cylinder and L-type pawl, can clamp duplex cylinder lower horizontal folding
The two ends of curved electric wire.The machinery of one end of the vertical cylinder folder horizontal direction electric wire of the conventional vertical arrangement of hinge structure
Pawl, this utility model not only significantly reduce the height of gripper, improve the rigidity of gripper, also improve clamping efficiency
One times, take up room.
(2) piston rod of the present utility model adopts taper mutation circular cone header structure.According to skewback principle, wide-angle conical section is taken
Power saves stroke, realizes that piston rod merges the larger idle stroke of L-type claw by promoting relatively short stroke；Low-angle conical section is laborsaving to take
Stroke, it is ensured that in last clamping electric wire, there is provided sufficiently large chucking power.
Description of the drawings
Fig. 1 is the top view of double pawl grippers in this utility model embodiment 1.
Left views of the Fig. 2 for Fig. 1.
Fig. 3 is the top view of double pawl grippers in this utility model embodiment 2.
Reference is as follows：
Duplex cylinder 1, gas pawl installing plate 2, gas pawl 3, piston rod 4, coniform head 41, L-type pawl 31, the first bearing pin 32,
Second bearing pin 33, bearing 34, back-moving spring 35.
Specific embodiment
In order to be better understood from this utility model, it is described further with specific embodiment below in conjunction with the accompanying drawings.
Embodiment 1
As depicted in figs. 1 and 2, a kind of pair of pawl gripper, including 1, two pieces of gas pawl installing plates 2 of a duplex cylinder and two pairs
Gas pawl 3.Duplex cylinder 1 is horizontally disposed, and the upper and lower both sides in its front end are respectively installed with one piece of gas pawl installing plate 2 by securing member
(only depending on going out one piece of gas pawl installing plate 2 in Fig. 1), installs two pairs of gas pawls 3, gas pawl 3 and gas pawl between two pieces of gas pawls installing plate 2
Installing plate 2 is fixedly mounted.
The duplex cylinder 1 has two piston rods 4, and piston rod 4 has coniform head 41.Coniform head is comprising front
The wide-angle conical section in portion and the low-angle conical section at rear portion, pass through outline between wide-angle conical section and low-angle conical section
There is the frustum of a cone transition of certain radian.The angle of the wide-angle conical section is 30 ° -60 °, the angle of the low-angle conical section
For 5 ° -25 °.
Each pair gas pawl 3 includes two L-type pawls 31.The galianconism of each L-type pawl 31 is by the first bearing pin 32 and gas pawl installing plate 2
It is fixed, L-type pawl is rotated along the first bearing pin.The galianconism of L-type pawl is parallel with piston rod movement direction, L-type pawl it is long-armed with it is double
Connection cylinder 1 is vertical.The galianconism of each L-type pawl is fixed with bearing 34 by the second bearing pin 33, and bearing 34 can be along 33 turns of the second bearing pin
It is dynamic.The present invention realizes rolling friction between coniform head and bearing, reduces the mill of coniform head by arranging bearing
Damage, improve gas pawl service life；Reducing friction resistance, improves gas pawl chucking power simultaneously.With two first pins in a pair of gas pawls 3
32, two the second bearing pins 33 of axle and two bearings 34 are respectively a pair first bearing pins, a pair second bearing pins and a pair of bearings.
In order to the galianconism for preferably making L-type pawl resets, the present invention increases between the galianconism of two L-type pawls in each pair gas pawl
If back-moving spring 35, a pair of gas pawls are strutted by back-moving spring 35.
Each pair gas pawl 3 is located in front of a piston rod 4.When piston rod 4 travels forward, coniform head can be pushed open with a pair
Bearing 34 on the galianconism of two L-type pawls in gas pawl.Duplex cylinder 1 carries out linear reciprocating motion, and piston rod is alternately opened
With closure gas pawl.When piston rod 4 is outside gas pawl, under the elastic force effect of back-moving spring 35, with two L in a pair of gas pawls
Type pawl is opened, and be can be used to be put into electric wire clamping, is contacted with the bearing 34 of two L-type pawls 31 in a pair of gas pawls 3.Piston rod is forward
During motion, and piston rod to the thrust of a pair of bearings more than back-moving spring elastic force when, push this open to bearing, close gas pawl,
Two L-type pawls are in closure state, clamp the electric wire in which；When piston rod is moved backward, thrust of the piston rod to a pair of bearings
Reduce, and under the elastic force effect of back-moving spring, open gas pawl, two L-type pawls are in open mode, discharge electric wire.
Embodiment 2
As shown in figure 3, a kind of pair of pawl gripper, including 1, two pieces of gas pawl installing plates 2 of a duplex cylinder and two pairs of gas pawls
3.Duplex cylinder 1 is horizontally disposed, and the upper and lower both sides in its front end are respectively installed with one piece of gas pawl installing plate 2 by securing member, described
Two pairs of gas pawls 3 are installed between two pieces of gas pawl installing plates 2, gas pawl 3 is fixedly mounted with gas pawl installing plate 2.
The duplex cylinder 1 has two piston rods 4, and piston rod 4 has coniform head 41.Coniform head is comprising front
The wide-angle conical section in portion and the low-angle conical section at rear portion, rounding mistake between wide-angle conical section and low-angle conical section
Cross.The angle of the wide-angle conical section is 30 ° -60 °, and the angle of the low-angle conical section is 5 ° -25 °.
Each pair gas pawl 3 includes two L-type pawls 31.The galianconism of each L-type pawl 31 is by the first bearing pin 32 and gas pawl installing plate 2
It is fixed, L-type pawl is rotated along the first bearing pin.A pair first bearing pins are respectively with two the first bearing pins 32 in a pair of gas pawls 3.
The galianconism of L-type pawl is parallel with piston rod movement direction, L-type pawl it is long-armed vertical with duplex cylinder 1.The galianconism end of each L-type pawl
Portion is set to circular arc, the sliding friction between coniform head.Therefore, coniform head and L-type pawl galianconism end should be improved
Case hardness and roughness, with reduce abrasion and frictional resistance.
In order to the galianconism for preferably making L-type pawl resets, the present invention increases between the galianconism of two L-type pawls in each pair gas pawl
If back-moving spring 35, a pair of gas pawls are strutted by back-moving spring 35.
Each pair gas pawl 3 is located in front of a piston rod 4.When piston rod 4 travels forward, coniform head and two L-type pawls
The sliding friction of galianconism end strut gas pawl.Duplex cylinder 1 carries out linear reciprocating motion, and piston rod is alternately opened and closes gas
Pawl.When piston rod 4 is outside gas pawl, under the elastic force effect of back-moving spring 35, beat with two L-type pawls in a pair of gas pawls
Open, can be used to be put into electric wire clamping.When piston rod travels forward, and the thrust of piston rod more than back-moving spring elastic force when, make
Gas pawl is closed, and two L-type pawls are in closure state, clamp the electric wire in which；When piston rod is moved backward, the thrust of piston rod is
Zero, under the elastic force effect of back-moving spring, open gas pawl, two L-type pawls are in open mode, discharge electric wire.
Embodiment described above only expresses several embodiments of the present utility model, and its description is more concrete and detailed,
But therefore can not be interpreted as the restriction to this utility model the scope of the claims.It should be pointed out that common for this area
For technical staff, without departing from the concept of the premise utility, some deformations and improvement can also be made, these all belong to
In protection domain of the present utility model.Therefore, the protection domain of this utility model patent should be defined by claims.
Claims (7)
1. a kind of pair of pawl gripper, it is characterised in that including duplex cylinder, gas pawl installing plate and two pairs of gas pawls, the duplex gas
Cylinder has two piston rods, and piston rod has coniform head, and duplex cylinder front end is provided with gas pawl installing plate, the gas pawl peace
Two pairs of gas pawls are installed on dress plate, each pair gas pawl includes two L-type pawls, and the galianconism of each L-type pawl is pacified with gas pawl by the first bearing pin
Dress plate is fixed, and each pair gas pawl is located in front of a piston rod.
2. according to claim 1 pair of pawl gripper, it is characterised in that the duplex cylinder is horizontally disposed, L-type pawl it is short
Arm is parallel with piston rod movement direction, the long-armed and duplex vertical cylinder of L-type pawl.
3. according to claim 1 pair of pawl gripper, it is characterised in that the galianconism of each L-type pawl by the second bearing pin with
Bearing is fixed, and when piston rod travels forward, coniform head can push the axle on the galianconism with two L-type pawls in a pair of gas pawls open
Hold.
4. double pawl grippers according to any one of claim 1-3, it is characterised in that two L-type pawls in each pair gas pawl
Galianconism between be provided with back-moving spring.
5. according to claim 4 pair of pawl gripper, it is characterised in that coniform head includes anterior wide-angle circular cone
Section and the low-angle conical section at rear portion.
6. according to claim 5 pair of pawl gripper, it is characterised in that the angle of the wide-angle conical section is 30 °-
60 °, the angle of the low-angle conical section is 5 ° -25 °.
7. according to claim 4 pair of pawl gripper, it is characterised in that between wide-angle conical section and low-angle conical section
There is the frustum of a cone transition of certain radian by outline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621023324.8U CN206066479U (en) | 2016-08-31 | 2016-08-31 | A kind of pair of pawl gripper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621023324.8U CN206066479U (en) | 2016-08-31 | 2016-08-31 | A kind of pair of pawl gripper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206066479U true CN206066479U (en) | 2017-04-05 |
Family
ID=58435628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621023324.8U Active CN206066479U (en) | 2016-08-31 | 2016-08-31 | A kind of pair of pawl gripper |
Country Status (1)
| Country | Link |
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| CN (1) | CN206066479U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108527352A (en) * | 2018-04-18 | 2018-09-14 | 王潇 | A kind of mechanical arm of robot |
| CN108748244A (en) * | 2018-05-23 | 2018-11-06 | 青岛万龙智控科技有限公司 | Push-press type grasping mechanism and its method |
-
2016
- 2016-08-31 CN CN201621023324.8U patent/CN206066479U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108527352A (en) * | 2018-04-18 | 2018-09-14 | 王潇 | A kind of mechanical arm of robot |
| CN108748244A (en) * | 2018-05-23 | 2018-11-06 | 青岛万龙智控科技有限公司 | Push-press type grasping mechanism and its method |
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