CN208867200U

CN208867200U - a holding tool

Info

Publication number: CN208867200U
Application number: CN201821456927.6U
Authority: CN
Inventors: 陈梁远; 郭丽娟; 唐彬; 谢植飚; 黄升平
Original assignee: Electric Power Research Institute of Guangxi Power Grid Co Ltd
Current assignee: Electric Power Research Institute of Guangxi Power Grid Co Ltd
Priority date: 2018-09-06
Filing date: 2018-09-06
Publication date: 2019-05-17
Anticipated expiration: 2028-09-06

Abstract

The utility model discloses a kind of clamping devices, including shell and lower clamping jaw, the top surface at the middle part of shell is equipped with groove, lower clamping jaw is arranged in the groove, the bottom of shell offers the threaded hole of communication groove, matching is provided with drive screw in threaded hole, clamping jaw under the top alignment of drive screw, two guide rods are equipped in shell, two guide rods are fixedly connected on the two sides of lower clamping jaw, the upward side of guide rod is equipped with active block, the top of active block is rake one, the top of active block is equipped with passive grip block, passive grip block one end is the rake two being fitted on rake one, the other end is directed toward groove, connecting rod is connected by tension spring with the shell far from groove side.The utility model structure is simple, can fast clamp object to be clamped, the object that also quick releasable has clamped is high-efficient, easy to operate；And it can be used as robot hand use.

Description

A kind of clamping device

Technical field

The utility model relates to robotic technology field more particularly to a kind of clamping devices.

Background technique

Robot gripper (i.e. the gripper of robot) is that robot manipulator and workpiece, tool etc. are directly contacted and carried out The device of operation is one of critical component of robot, its performance quality is to raising robot efficiency, the effect of performance robot It influences very big.Holder structure in the prior art is complicated, and operating system is complicated, and holding action is slow, inefficient.

Utility model content

For the defects in the prior art, utility model aims to solve shortcoming in the prior art, solutions Certainly inefficient technical problem in the prior art, provides a kind of clamping device.

Purpose of the utility model is realized as follows: a kind of clamping device, including shell and lower clamping jaw, the shell The top surface at middle part is equipped with groove, and the lower clamping jaw is arranged in the groove, and the bottom of the shell offers described in connection The threaded hole of groove, the interior matching of threaded hole are provided with drive screw, and lower clamping jaw described in the top alignment of the drive screw is described Two guide rods moving up and down being laterally arranged are equipped in shell, two guide rods are pierced by the shell described recessed The opening of slot side is fixedly connected on the two sides of the lower clamping jaw, the every upward side of the guide rod be equipped with can on move down Dynamic vertically arranged active block, the active block are set in the shell, and the top of the active block is close to described recessed Slot side is low, far from the high rake one in the groove side, and being equipped at the top of each active block can move left and right Passive grip block, described passive grip block one end are the rake two being fitted on the rake one, described in the other end is directed toward Groove, the shell are provided with the opening for being connected to the groove in horizontal position where the passive grip block, and use is so that institute It states passive grip block and enters the groove, be provided with connecting rod on each rake two, the connecting rod passes through tension spring It is connected with the shell far from the groove side.

Arc groove is provided at the top of the lower clamping jaw as a further improvement of the utility model,.

Center pair of two guide rods about shell in the longitudinal direction as a further improvement of the utility model, Claim setting.

The opposite one end of two passive grip blocks is downward inclined-plane as a further improvement of the utility model,.

Further, the inclined-plane of the passive grip block is cambered surface.

Compared with prior art, the utility model has the beneficial effects that the utility model is withstood by drive screw rotation Lower clamping jaw rises, and to drive guide rod, active block and passive grip block, so that two passive grip blocks are adjacent to each other, leads at this time Passive grip block, lower clamping jaw are crossed to realize the clamping of object to be held, to realize that more firm, fast and efficiently object clamps.This Utility model structure is simple, easy to operate, high-efficient, also can be used as robot hand use.

Detailed description of the invention

It, below will be to required in embodiment description in order to illustrate more clearly of the technical solution of the utility model embodiment The attached drawing used is briefly described.

Fig. 1 is the schematic front view (partial sectional view) of the utility model.

Fig. 2 is the A-A direction view of the utility model shown in FIG. 1.

Wherein, 1: drive screw, 2: guide rod, 3: groove, 4: shell, 5: passive grip block, 51: rake two, 6: main Motion block, 61: rake one, 7: connecting rod, 8: lower clamping jaw, 9: tension spring, 10: arc groove.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts Every other embodiment obtained, fall within the protection scope of the utility model.

As depicted in figs. 1 and 2, this preferred embodiment provides a kind of clamping device, including shell 4 and lower clamping jaw 8, shell The top surface at 4 middle part is equipped with groove 3, and lower clamping jaw 8 is set in groove 3, and the bottom of shell 4 offers the spiral shell of communication groove 3 Pit, the interior matching of threaded hole are provided with drive screw 1, the bottom of clamping jaw 8 under the top alignment of drive screw 1, are equipped in shell 4 Two guide rods 2 moving up and down being laterally arranged, two guide rods 2 are pierced by the fixed company of opening of the shell in 3 side of groove The two sides of lower clamping jaw 8 are connected to, the every upward side of guide rod 2 is equipped with vertically arranged active block 6 moving up and down, main Motion block 6 is set in shell 4, and the top of active block 6 is the high rake one in 3 side of groove low close to 3 side of groove, separate 61, the top of each active block 6 is equipped with the passive grip block 5 that can be moved left and right, and passive 5 one end of grip block is to be fitted in inclination Rake 2 51 in portion 1, the other end are directed toward groove 3, and shell 4 is provided with connection in passive 5 place horizontal position of grip block The opening of groove 3 is provided with connecting rod 7 on each rake 2 51, is connected with so that passive grip block 5 enters groove 3 Bar 7 is connected by tension spring 9 with the shell 4 far from 3 side of groove, and tension spring 9 makes passive grip block 5 have becoming far from groove 3 Gesture.

When it is implemented, object to be held to be placed on to the top or top of lower clamping jaw 8, shell 4 is fixed, at this time Rotation drive screw 1 moves upwards drive screw 1 and withstands lower clamping jaw 8 to move upwards, and drive screw 1 can be driven by motor It is dynamic, when lower clamping jaw 8 moves upwards, while two active blocks 6 on the guide rod 2 and guide rod 2 of two sides being driven to move upwards, The rake 1 of two active blocks 6 pushes two passive grip blocks 5 to move toward one another, and two passive grip blocks 5 are constantly close, under Clamping jaw 8 constantly rises, two passive grip blocks 5 are constantly close, and lower clamping jaw 8 and two passive grip blocks 5 are eventually clamped wait press from both sides The object held, the bottom for clamping object to be held at this time are contacted with lower clamping jaw 8, the bottom side of top and passive grip block 5 or End face contact, when realizing clamping, stop operating drive screw 1, completes entire clamping process；When the object for needing release clamped When body, opposite direction rotates drive screw 1, and passive grip block 5 retracts under the action of tension spring 9 at this time, in the work of passive grip block 5 It is moved downward with lower active block 6 and guide rod 2, lower clamping jaw 8 moves downward therewith, realizes the release of clamped object.

In this preferred embodiment, center symmetric setting of two guide rods 2 about shell 4 in the longitudinal direction, with reality Existing balanced transmission.

The top of lower clamping jaw 8 is provided with arc groove 10, and arc groove 10 can increase the contact point with object to be held, when wait press from both sides When object position column, tubulose or the face contacted with lower clamping jaw 8 held are arc, arc groove 10 can be matched well, Realize firm clamping.

Two opposite one end of passive grip block 5 are downward inclined-plane, and the inclined-plane of preferred passive grip block 5 is cambered surface. When inclined-plane (especially cambered surface) setting can be adapted to column, tubulose or the face that contact with lower clamping jaw 8 preferably as arc to The clamping of the object of clamping.

The utility model structure is simple, can fast clamp object to be clamped, the object that also quick releasable has clamped, effect Rate is high, easy to operate；And it can be used as robot hand use.

Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to In this, anyone skilled in the art within the technical scope disclosed by the utility model, the change that can be readily occurred in Change or replace, should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with described Subject to scope of protection of the claims.

Claims

1. A clamping tool, characterized in that it comprises a casing (4) and a lower clamping jaw (8), a groove (3) is provided on the top surface of the middle of the casing (4), and the lower The clamping jaw (8) is arranged in the groove (3), the bottom of the casing (4) is provided with a threaded hole communicating with the groove (3), and a driving screw (1) is matched in the threaded hole. , the top of the drive screw (1) is aligned with the lower jaw (8), the housing (4) is provided with two horizontally arranged guide rods (2) that can move up and down, two of the The guide rod (2) passes through the opening of the casing on one side of the groove (3) and is fixedly connected to both sides of the lower jaw (8). The upward side of each guide rod (2) Both are provided with a vertically arranged active block (6) that can move up and down, the active block (6) is arranged in the housing (4), and the top of the active block (6) is close to the groove (3) A slope part one (61) with a low side and a high side away from the groove (3), the top of each active block (6) is provided with a passive clamping block (5) that can move left and right ), one end of the passive clamping block (5) is the inclined part two (51) that is attached to the inclined part one (61), and the other end points to the groove (3), the casing (4) ) an opening communicating with the groove (3) is provided at the horizontal position of the passive clamping block (5), so that the passive clamping block (5) enters the groove (3), each A connecting rod (7) is provided on the two inclined parts (51), and the connecting rod (7) is connected to the casing (4) on the side away from the groove (3) through a tension spring (9). connected.

2 . The clamping tool according to claim 1 , wherein a circular arc groove ( 10 ) is formed on the top of the lower clamping jaw ( 8 ). 3 .

3 . The clamping tool according to claim 1 , wherein the two guide rods ( 2 ) are symmetrically arranged with respect to the center of the housing ( 4 ) in the longitudinal direction. 4 .

4. The clamping tool according to any one of claims 1 to 3, wherein the opposite ends of the two passive clamping blocks (5) are inclined downwards.

5 . The clamping tool according to claim 4 , wherein the inclined surface of the passive clamping block ( 5 ) is an arc surface. 6 .