CN203510242U

CN203510242U - Mechanical hand

Info

Publication number: CN203510242U
Application number: CN201320607577.XU
Authority: CN
Inventors: 沈平; 姚鑫; 高尔荣
Original assignee: Zhejiang Bolei Heavy Duty Machine Tool Manufacturing Co Ltd
Current assignee: Zhejiang Bolei Heavy Duty Machine Tool Manufacturing Co Ltd
Priority date: 2013-09-27
Filing date: 2013-09-27
Publication date: 2014-04-02
Anticipated expiration: 2023-09-27

Abstract

The utility model discloses a mechanical hand. The mechanical hand comprises a mechanical clamping jaw and a mechanical arm, wherein the mechanical arm comprises an outer arm and an ejector rod, a pneumatic cylinder B is installed on the mechanical ejector rod, the mechanical arm is driven to stretch and retract through a pneumatic cylinder A arranged on the mechanical arm, and the pneumatic cylinder B drives the ejector rod to move back and forth to close or open the mechanical clamping jaw. The mechanical hand of the structure is larger and more stable in clamping force, and the problem that a mechanical hand can not work in a small space is solved.

Description

A kind of manipulator

Technical field

The utility model relates to a kind of manipulator.

Background technology

In the modern life, the application of mechanical arm is more and more extensive, the general configuration of the clamp-type manipulator in currently available technology is as follows: one end of mechanical grip and connecting rod is hinged, slide block and connecting rod are hinged away from the other end of gripper, and two grippers are closed or open in the slip of slide block slot by slide block.Such manipulator has advantages of simple in structure, but because gripper is to be driven the closed of two grippers or opened by connecting rod to cause the space that gripper needs are larger to turn round, cannot meet the operation in less space.

Utility model content

The utility model has overcome above-mentioned the deficiencies in the prior art, and a kind of manipulator is provided, the utility model can be in less space operation and also chucking power more stable more greatly.

The technical solution of the utility model is achieved in that

A manipulator, comprises mechanical grip, mechanical arm, and described mechanical arm comprises outer arm and push rod, and described outer arm is tube, and described push rod is arranged on the hollow position of outer arm inside; The pneumatic cylinder A that drives outer arm to seesaw is installed on outer arm, and in outer arm and pneumatic cylinder A, the inner ring of piston ring is sealedly and fixedly connected; The top of push rod is provided with inclined-plane, and the bottom of push rod is provided with the pneumatic cylinder B that drives push rod to seesaw, and pneumatic cylinder B is fixedly connected with outer arm, and push rod is fixedly connected with the piston of pneumatic cylinder B; Described mechanical grip is arranged on the front end of outer arm, mechanical grip comprises train wheel bridge, clamp base, clamp base is fixedly connected with outer arm, described train wheel bridge and clamp base are hinged at pin joint, train wheel bridge was provided with in order to the clamping area with clamp base laminating before pin joint, train wheel bridge is provided with the train wheel bridge pushing surface corresponding with inclined-plane after pin joint, thereby described push rod can promote train wheel bridge, rotates clamping; On clamp base, be provided with and use so that the stage clip that clamping area and clamp base are separated from each other.

In order to prevent that dust, gravel from directly contacting with outer arm, as preferably, the part that described outer arm is positioned at outside pneumatic cylinder A is coated with dust cover.

The power can bear in order to improve mechanical grip, as preferably, is provided with a pair of triangle ribs on described train wheel bridge, described triangle ribs is vertical with train wheel bridge pushing surface with clamping area and be fixedly connected with respectively.

As preferably, described outer arm is seamless steel pipe; Described train wheel bridge and clamp base are made and are formed by carbide alloy.

The beneficial effects of the utility model are:

Pneumatic cylinder A relies on advancing of piston ring and retreats the flexible of driving mechanical arm, and the pneumatic cylinder B that is arranged on push rod bottom relies on seesawing of piston to drive push rod to seesaw; On train wheel bridge, be provided with clamping area and train wheel bridge pushing surface, described train wheel bridge pushing surface and the inclined-plane of push rod are slidably connected; When push rod travels forward, the inclined-plane of push rod can promote train wheel bridge and rotate clamping, and the resistance that the clamping area of train wheel bridge overcomes stage clip presses down and clamp base laminating, has realized " closure " of mechanical grip; When push rod moves backward, the inclined-plane of push rod is separated with train wheel bridge pushing surface, and the clamping area of train wheel bridge and clamp base are separated from each other under the effect of stage clip, has realized " opening " of mechanical grip.The manipulator of this structure can be in less space operation and also chucking power more stable more greatly.

Accompanying drawing explanation

Fig. 1 is the structural representation of manipulator;

Fig. 2 is the top view of Fig. 1;

Fig. 3 is the stereogram of manipulator.

1, mechanical grip; 101, train wheel bridge; 102, clamp base; 103, stage clip; 104, pin joint; 105, train wheel bridge pushing surface; 106, clamping area; 107, triangle ribs; 2, mechanical arm; 201, outer arm; 202, push rod; 203, pneumatic cylinder B; 204, inclined-plane; 3, pneumatic cylinder A; 4, dust cover.

The specific embodiment

The specific embodiment of the present utility model is as follows:

Embodiment: a kind of manipulator, comprise mechanical grip 1, mechanical arm 2, as shown in Figures 1 to 3, described mechanical arm 2 comprises outer arm 201 and push rod 202, and described outer arm 201 is seamless steel pipe, and described push rod 202 is arranged on the hollow position of outer arm 201 inside; The pneumatic cylinder A3 that drives outer arm 201 to seesaw is installed on outer arm 201, and in outer arm 201 and pneumatic cylinder A3, the inner ring of piston ring is sealedly and fixedly connected; The top of push rod 202 is provided with inclined-plane 204, and the bottom of push rod 202 is provided with the pneumatic cylinder B203 that drives push rod 202 to seesaw, and pneumatic cylinder B203 is fixedly connected with outer arm 201, and push rod 202 is fixedly connected with the piston of pneumatic cylinder B203.The part that outer arm 201 is positioned at outside pneumatic cylinder A3 is coated with dust cover 4.

As shown in Figure 1, 2, described mechanical grip 1 is arranged on the front end of outer arm 201, mechanical grip 1 comprises train wheel bridge 101, clamp base 102, clamp base 102 is fixedly connected with outer arm 201, described train wheel bridge 101 is hinged at pin joint 104 with clamp base 102, train wheel bridge 101 was provided with in order to the clamping area 106 with clamp base 102 laminatings before pin joint 104, train wheel bridge 101 is provided with the train wheel bridge pushing surface 105 corresponding with inclined-plane 204 after pin joint 104, thereby described push rod 202 can promote train wheel bridge 101, rotates clamping; On clamp base 102, be provided with and use so that the stage clip 103 that clamping area 106 and clamp base 102 are separated from each other.On described train wheel bridge 101, be provided with a pair of triangle ribs 107, described triangle ribs 107 is vertical with train wheel bridge pushing surface 105 with clamping area 106 and be fixedly connected with respectively.Described train wheel bridge 101 and clamp base 102 are made and are formed by carbide alloy.

In use, pneumatic cylinder A3 is by driving the piston ring of pneumatic cylinder A3 to move forward and backward and then the moving forward and backward of driving device arm 2, the outer surface of mechanical arm 2 is coated with dust cover 4 and avoids foreign directly to contact with mechanical arm 2, push rod 202 is arranged on the inside of outer arm 201, the pneumatic cylinder B203 being arranged on push rod 202 can drive push rod 202 to move forwards or backwards, when push rod 202 travels forward, the inclined-plane 204 of push rod 202 can promote train wheel bridge 101 and rotate clamping, the resistance that the clamping area 106 of train wheel bridge 101 overcomes stage clip 103 presses down and clamp base 102 laminatings, realized " closure " of mechanical grip 1, when push rod 202 moves backward, the inclined-plane 204 of push rod 202 is separated with train wheel bridge pushing surface 105, and clamping area 106 and the clamp base 102 of train wheel bridge 101 are separated from each other under the effect of stage clip 103, have realized " opening " of mechanical grip 1.

It is emphasized that: be only preferred embodiment of the present utility model above, not the utility model is done to any pro forma restriction, any simple modification, equivalent variations and modification that every foundation technical spirit of the present utility model is done above embodiment, all still belong in the scope of the utility model art scheme.

Claims

1. a manipulator, comprise mechanical grip (1), mechanical arm (2), it is characterized in that, described mechanical arm (2) comprises outer arm (201) and push rod (202), described outer arm (201) is tube, and described push rod (202) is arranged on the inner hollow position of outer arm (201), the pneumatic cylinder A(3 that drives outer arm (201) to seesaw is installed on outer arm (201)), outer arm (201) and pneumatic cylinder A(3) in the inner ring of piston ring be sealedly and fixedly connected, the top of push rod (202) is provided with inclined-plane (204), the bottom of push rod (202) is provided with the pneumatic cylinder B(203 that drives push rod (202) to seesaw), pneumatic cylinder B(203) be fixedly connected with push rod (202) and pneumatic cylinder B(203 with outer arm (201)) piston be fixedly connected with, described mechanical grip (1) is arranged on the front end of outer arm (201), mechanical grip (1) comprises train wheel bridge (101), clamp base (102), clamp base (102) is fixedly connected with outer arm (201), described train wheel bridge (101) is hinged at pin joint (104) with clamp base (102), train wheel bridge (101) pin joint (104) be provided with before in order to and the clamping area (106) of clamp base (102) laminating, train wheel bridge (101) is in pin joint (104) is provided with afterwards and inclined-plane (204) are corresponding train wheel bridge pushing surface (105), thereby described push rod (202) can promote train wheel bridge (101) and rotate clamping, on clamp base (102), be provided with and use so that the stage clip (103) that clamping area (106) and clamp base (102) are separated from each other.

2. a kind of manipulator according to claim 1, is characterized in that, described outer arm (201) is positioned at pneumatic cylinder A(3) outside part be coated with dust cover (4).

3. a kind of manipulator according to claim 1, it is characterized in that, on described train wheel bridge (101), be provided with a pair of triangle ribs (107), described triangle ribs (107) is vertical with train wheel bridge pushing surface (105) with clamping area (106) and be fixedly connected with respectively.

4. a kind of manipulator according to claim 1, is characterized in that, described outer arm (201) is seamless steel pipe; Described train wheel bridge (101) and clamp base (102) are made and are formed by carbide alloy.