CN212421336U

CN212421336U - Flexible clamping jig

Info

Publication number: CN212421336U
Application number: CN202021076136.8U
Authority: CN
Inventors: 朱蔚曦
Original assignee: Guangdong Puya Automation Technology Co ltd
Current assignee: Guangdong Puya Automation Technology Co ltd
Priority date: 2020-06-12
Filing date: 2020-06-12
Publication date: 2021-01-29
Anticipated expiration: 2030-06-12

Abstract

The utility model discloses a tool is got to flexible clamp, including the tank tower device that is used for supporting, the inboard symmetrical evenly distributed of tank tower device has a plurality of needle bar devices of article are got to fixed clamp, install below the tank tower device and be used for providing the power device who presss from both sides the power of getting. A tool is got to flexible clamp, through power device's setting, utilize the inflation application of force, reduced the number of power supply, saved the resource, through power device's setting, utilize the inflation application of force, guaranteed that each centre gripping point atress is even, improved the reliability of centre gripping, through power device's setting, utilize the inflation application of force, formed the profile modeling to centre gripping article, guaranteed the centre gripping to different article.

Description

Flexible clamping jig

Technical Field

The utility model belongs to the industrial robot field especially relates to a tool is got to flexible clamp.

Background

By flexible clamp is meant the ability of the clamp to accommodate changes in shape and size of the workpiece after such changes and to continue to be used. However, in the prior art, each clamping point of the flexible clamping jig needs to be equipped with a power source independently, which not only causes resource transitional consumption, but also does not ensure and control the uniformity of stress of each clamping point.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a tool is got to flexible clamp to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a flexible clamping jig comprises a box frame device for supporting, wherein a plurality of needle rod devices for fixing and clamping articles are symmetrically and uniformly distributed on the inner side of the box frame device, and a power device for providing clamping force is arranged below the box frame device; the box frame device comprises a box frame body, wherein 2 cover plates are symmetrically arranged at two ends of the box frame body, a connecting seat is arranged at the back of the box frame body, and a plurality of through holes are symmetrically and uniformly distributed in the inner side of the box frame body; the needle rod device comprises a needle rod body, a round chamfer is arranged at one end of the needle rod body, a baffle is arranged at one end of the round chamfer, and a reset spring is arranged on the needle rod body.

Further: the power device comprises an air pump, an electric control valve is arranged above the air pump, an exhaust pipe is arranged below the electric control valve, 2 air conveying pipes are symmetrically arranged above the electric control valve, an air bag is arranged at one end of each air conveying pipe, the air conveying pipes are respectively connected with the electric control valve and the air bag in a clamping mode, the exhaust pipe is connected with the electric control valve in a sealing threaded mode, and the air bag is arranged between the baffle and the cover plate.

The air pump absorbs air and compresses the air to be conveyed to the electric control valve, the electric control valve conveys compressed air into the air bag expansion pushing needle rod body through the air conveying pipe, and the compressed air is discharged through the exhaust pipe when the air bag expansion pushing needle rod body is loosened.

Further: the power device comprises a hydraulic pump, a hydraulic tank is arranged at the back of the hydraulic pump, a hydraulic valve is arranged above the hydraulic pump, an oil return pipe is installed below the hydraulic valve, 2 infusion pipes are symmetrically installed above the hydraulic valve, a hydraulic bag is installed at one end of the infusion pipe, the infusion pipe is respectively connected with the hydraulic valve and the hydraulic bag through a clamp, the oil return pipe is respectively connected with the hydraulic valve and the hydraulic tank through a clamp, and the hydraulic bag is arranged between the baffle and the cover plate.

The hydraulic pump absorbs the hydraulic oil in the hydraulic tank and conveys the hydraulic valve, the hydraulic valve conveys the hydraulic oil into the hydraulic bag through the liquid conveying pipe to expand and push the needle rod body, and the hydraulic oil flows back to the hydraulic tank through the oil return pipe when the hydraulic valve is released.

Further: the cover plate is connected with the box frame body through bolts, and the connecting seat is welded with the box frame body.

Bolted connection is convenient for the dismouting the apron maintains, and the welding has guaranteed the connecting seat is firm reliable.

Further: the round chamfer, the baffle and the needle rod body are integrally formed, and the needle rod body is connected with the box frame body in a sliding mode.

The integrated into one piece has guaranteed to have really durable, and sliding connection is convenient for the flexible of needle bar body.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through the arrangement of the power device, the expansion force application is utilized, the number of power sources is reduced, and resources are saved;

2. by the arrangement of the power device, the expansion force application is utilized, so that the uniform stress of each clamping point is ensured, and the clamping reliability is improved;

3. through the arrangement of the power device, the expansion force application is utilized, the copying for clamping articles is formed, and the clamping of different articles is ensured.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic structural view of a flexible clamping jig of the present invention;

fig. 2 is a rear perspective view of the box holder device of the flexible clamping jig of the present invention;

fig. 3 is a schematic view of a needle bar device of the flexible clamping jig of the present invention;

fig. 4 is a schematic view of a power device according to embodiment 1 of the flexible clamping jig of the present invention;

fig. 5 is a schematic view of a power device according to embodiment 2 of the present invention.

In the reference symbols: 1. a box frame device; 101. a case frame body; 102. a cover plate; 103. a connecting seat; 104. a through hole; 2. a needle bar device; 201. a needle bar body; 202. rounding and chamfering; 203. a return spring; 204. a baffle plate; 3. a power plant; 301. an electrically controlled valve; 302. an air pump; 303. a gas delivery pipe; 304. an air bag; 305. an exhaust pipe; 306. a hydraulic valve; 307. a hydraulic pump; 308. a hydraulic tank; 309. an oil return pipe; 310. a transfusion tube; 311. a hydraulic bladder.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be further explained with reference to the accompanying drawings:

example 1

As shown in fig. 1-4, a flexible clamping fixture comprises a box frame device 1 for supporting, a plurality of needle rod devices 2 for fixing and clamping articles are symmetrically and uniformly distributed on the inner side of the box frame device 1, and a power device 3 for providing clamping force is arranged below the box frame device 1; the box frame device 1 comprises a box frame body 101, wherein 2 cover plates 102 are symmetrically arranged at two ends of the box frame body 101, a connecting seat 103 is arranged at the back of the box frame body 101, and a plurality of through holes 104 are symmetrically and uniformly distributed on the inner side of the box frame body 101; the needle bar device 2 comprises a needle bar body 201, a round chamfer 202 is arranged at one end of the needle bar body 201, a baffle 204 is arranged at one end of the needle bar body 201 far away from the round chamfer 202, and a return spring 203 is arranged on the needle bar body 201.

Further: the power device 3 comprises an air pump 302, an electric control valve 301 is arranged above the air pump 302, an exhaust pipe 305 is arranged below the

electric control valve

301, 2 air conveying pipes 303 are symmetrically arranged on the electric control valve 301, an air bag 304 is arranged at one end of each air conveying pipe 303, the air conveying pipes 303 are respectively connected with the electric control valve 301 and the air bag 304 in a clamping mode, the exhaust pipe 305 is in sealing threaded connection with the electric control valve 301, and the air bag 304 is arranged between the baffle 204 and the cover plate 102; the cover plate 102 is connected with the box frame body 101 through bolts, and the connecting seat 103 is welded with the box frame body 101; the round chamfer 202, the baffle 204 and the needle bar body 201 are integrally formed, and the needle bar body 201 and the box frame body 101 are connected in a sliding manner.

Example 2

As shown in fig. 5, embodiment 2 differs from embodiment 1 in that: the power device 3 comprises a hydraulic pump 307, a hydraulic tank 308 is arranged behind the hydraulic pump 307, a hydraulic valve 306 is arranged above the hydraulic pump 307, an oil return pipe 309 is arranged below the

hydraulic valve

306, 2 infusion pipes 310 are symmetrically arranged on the hydraulic valve 306, a hydraulic bag 311 is arranged at one end of each infusion pipe 310, the infusion pipes 310 are respectively connected with the hydraulic valve 306 and the hydraulic bag 311 in a clamping manner, the oil return pipe 309 is respectively connected with the hydraulic valve 306 and the hydraulic tank 308 in a clamping manner, and the hydraulic bag 311 is arranged between the baffle plate 204 and the cover plate 102.

The utility model discloses a theory of operation and use flow: the box frame body 101 is connected with the mechanical arm through the connecting seat 103 by using bolts, the air pump 302 sucks air to compress and then conveys the air to the electric control valve 301, the electric control valve 301 conveys the compressed air into the air bag 304 through the air conveying pipe 303, the air bag 304 expands and pushes all the needle rod bodies 201 to extend outwards through the baffle plate 204 to clamp objects along the outer surfaces of the objects, the compressed air is discharged through the exhaust pipe 305 when the objects are released, and the reset spring 203 pushes the baffle plate 204 to drive the needle rod bodies 201 to retract into the box frame body 101 under the action of elasticity;

or the hydraulic pump 307 sucks hydraulic oil in the hydraulic tank 308 and conveys the hydraulic oil to the hydraulic valve 306, the hydraulic valve 306 conveys the hydraulic oil into the hydraulic bag 311 through the infusion tube 310, the hydraulic bag 311 expands and pushes all the needle bar bodies 201 to extend outwards through the baffle plate 204 and clamp articles along the outer surfaces of the articles, when the articles are loosened, the hydraulic oil flows back to the hydraulic tank 308 through the oil return tube 309, and the return spring 203 pushes the baffle plate 204 to drive the needle bar bodies 201 to retract into the tank frame body 101 under the action of elasticity.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.

Claims

1. The utility model provides a tool is got to flexible clamp which characterized in that: the box rack device comprises a box rack device (1) for supporting, wherein a plurality of needle bar devices (2) for fixing and clamping articles are symmetrically and uniformly distributed on the inner side of the box rack device (1), and a power device (3) for providing clamping force is arranged below the box rack device (1);

the box frame device (1) comprises a box frame body (101), wherein 2 cover plates (102) are symmetrically installed at two ends of the box frame body (101), a connecting seat (103) is arranged at the back of the box frame body (101), and a plurality of through holes (104) are symmetrically and uniformly distributed on the inner side of the box frame body (101);

needle bar device (2) are including the needle body of rod (201), needle body of rod (201) one end is provided with round chamfer (202), the needle body of rod (201) is kept away from round chamfer (202) one end is provided with baffle (204), install reset spring (203) above the needle body of rod (201).

2. The flexible clamping jig of claim 1, wherein: power device (3) include air pump (302), air pump (302) top is provided with automatically controlled valve (301), install blast pipe (305) below automatically controlled valve (301), 2 air pipes (303) are installed to the symmetry above automatically controlled valve (301), gasbag (304) are installed to air pipe (303) one end, air pipe (303) respectively with automatically controlled valve (301) with gasbag (304) clamp connection, blast pipe (305) with automatically controlled valve (301) seal threaded connection, gasbag (304) set up baffle (204) with between apron (102).

3. The flexible clamping jig of claim 1, wherein: power device (3) include hydraulic pump (307), hydraulic pump (307) are provided with hydraulic pressure case (308) at the back, hydraulic pump (307) top is provided with hydrovalve (306), install back oil pipe (309) below hydrovalve (306), 2 transfer line (310) are installed to symmetry above hydrovalve (306), hydraulic bag (311) are installed to transfer line (310) one end, transfer line (310) respectively with hydrovalve (306) with hydraulic bag (311) clamp is connected, return oil pipe (309) respectively with hydrovalve (306) with hydraulic pressure case (308) clamp is connected, hydraulic bag (311) set up baffle (204) with between apron (102).

4. The flexible clamping jig of claim 1, wherein: the cover plate (102) is connected with the box frame body (101) through bolts, and the connecting seat (103) is welded with the box frame body (101).

5. The flexible clamping jig of claim 1, wherein: the round chamfer angle (202), baffle (204) with the needle bar body (201) integrated into one piece, the needle bar body (201) with box support body (101) sliding connection.