CN211250086U

CN211250086U - Clamping mechanism based on carousel feed bin

Info

Publication number: CN211250086U
Application number: CN201922055468.1U
Authority: CN
Inventors: 胥亚林
Original assignee: Xi'an Ketuo Machinery Equipment Co ltd
Current assignee: Xi'an Ketuo Machinery Equipment Co ltd
Priority date: 2019-11-25
Filing date: 2019-11-25
Publication date: 2020-08-14
Anticipated expiration: 2029-11-25

Abstract

The utility model discloses a clamping mechanism based on carousel feed bin, including stand, slide cartridge and cylinder, the slide cartridge cover is located on the stand, the cylinder sets up on the stand, each slide cartridge corresponds to be connected with one of them cylinder, be connected with many guide rails on its periphery wall along stand circumference, it is provided with the slider all to slide on each guide rail, the slide cartridge is located the guide rail top, it has many spliced poles all to articulate on each slide cartridge, the other end of spliced pole articulates on the slider, all be connected with the clamping jaw on each slider; the bottom surface of the upright post is provided with a blind hole, the side wall of the blind hole is provided with a motor, the motor is connected with a bidirectional screw rod, the bidirectional screw rod is sleeved with two lead screw sliding blocks, the top wall of the blind hole is provided with a groove, the top end of each lead screw sliding block is embedded into the groove, the bottom end of each lead screw sliding block is connected with a second air cylinder, and the output end of each second air cylinder is connected with a bottom plate; through using this device, can improve clamping mechanism's the efficiency of snatching, prevent dropping of work piece simultaneously.

Description

Clamping mechanism based on carousel feed bin

Technical Field

The utility model relates to a truss manipulator technical field, concretely relates to clamping mechanism based on carousel feed bin.

Background

The truss manipulator is a full-automatic industrial device which is established on the basis of a rectangular X, Y and Z coordinate system and used for adjusting the station of a workpiece or realizing the functions of the workpiece such as track movement and the like. The control core is realized by an industrial controller (such as a PLC, a motion controller, a singlechip and the like). The controller analyzes and processes various input (various sensors, buttons and the like) signals, and after certain logic judgment is made, an execution command is issued to each output element (a relay, a motor driver, an indicator light and the like) to complete the joint motion among the three axes of X, Y and Z, so that a whole set of full-automatic operation flow is realized.

The truss manipulator grabs the workpiece from the turntable bin through the clamping mechanism arranged on the truss manipulator, a plurality of workpieces are overlapped on a material tray of the turntable bin, but the existing clamping mechanism only grabs one workpiece at a time in the workpiece grabbing process, then the grabbed workpiece is placed on a processing part for reprocessing, each reciprocating motion of the truss manipulator only grabs one workpiece, the grabbing efficiency of the workpieces is low, energy consumed by the reciprocating motion of the truss manipulator is wasted, meanwhile, the clamping mechanism often clamps unstable workpieces to fall off in the workpiece grabbing process, particularly, the workpieces with certain gradients on the outer surfaces, such as spherical workpieces, and the clamping mechanism is easier to fall off in the workpiece clamping and transporting process.

SUMMERY OF THE UTILITY MODEL

To the defect among the prior art, the utility model provides a clamping mechanism based on carousel feed bin to improve the efficiency that clamping mechanism snatchs the work piece, improve the steadiness that clamping mechanism pressed from both sides tight work piece simultaneously.

A clamping mechanism based on a turntable bin comprises an upright post, at least two sliding barrels and at least two cylinders, wherein the sliding barrels are sleeved on the upright post and can slide up and down on the upright post; the clamping unit consisting of the sliding barrel, the connecting column connected with the sliding barrel, the sliding block and the clamping jaws clamps the workpiece, and the height of the clamping jaw in the clamping unit where the sliding barrel above the clamping unit is located is higher than that of the clamping jaw in the clamping unit where the sliding barrel below the clamping unit is located; open the bottom surface at the stand has the blind hole, the lateral wall of blind hole is equipped with the motor that the level was placed, be connected with two-way screw rod on the output of motor, the cover is equipped with two lead screw sliders that match with it screw thread on the two-way screw rod, and it has the recess parallel with two-way screw rod to open at the roof of blind hole, in the top embedding recess of lead screw slider, be connected with the second cylinder in lead screw slider's bottom, be connected with the bottom plate on the output of second cylinder.

In order to solve the problems, the inventor designs the technical scheme, a stand column is arranged in the technical scheme, at least two sliding cylinders are sleeved on the stand column, at least two cylinders are arranged on the stand column, each sliding cylinder is correspondingly connected with the output end of one of the cylinders, the lifting of different sliding cylinders is controlled by different cylinders, a plurality of guide rails are arranged on the outer circumferential wall of the stand column, sliding blocks are arranged on the guide rails in a sliding mode, a plurality of connecting columns are hinged to the outer circumferential wall of each sliding cylinder, the other ends of the connecting columns are hinged to the sliding blocks, the sliding blocks can be driven to move through the lifting of the sliding cylinders, clamping jaws are connected to the sliding blocks, and the sliding blocks drive the clamping jaws to move to clamp and place workpieces. The clamping unit consisting of the sliding barrel, the connecting column, the sliding block and the clamping jaws clamps the workpiece, the clamping jaws in the clamping unit with the sliding barrel positioned above are higher than the clamping jaws in the clamping unit with the sliding barrel positioned below, when the clamping device is used, the sliding barrel slides to the bottom end of the vertical column, then the sliding barrel is lifted from top to bottom in sequence, the sliding barrel drives the corresponding sliding block and the corresponding clamping jaws to move, the workpiece overlapped on the material tray is clamped, therefore, more than two workpieces can be clamped and transported to a reprocessing position simultaneously in the one-time motion process of the truss manipulator, the grabbing efficiency of the truss manipulator is improved, more than two workpieces are transported in the one-time motion process of the truss manipulator, the energy of the reciprocating transportation of the manipulator can be fully utilized, and the energy is saved. In addition, the bottom surface of the upright post is provided with a blind hole, the side wall of the blind hole is provided with a motor, the output end of the motor is connected with a bidirectional screw rod, the bidirectional screw rod is sleeved with two screw rod sliding blocks matched with the screw threads of the bidirectional screw rod, the top wall of the blind hole is provided with a groove parallel to the bidirectional screw rod, the top end of the screw rod sliding block is embedded into the groove, so as to form a bidirectional screw rod, the bottom end of the screw rod sliding block is connected with a second air cylinder, the output end of the second air cylinder is connected with a bottom plate, in an initial state, the two screw rod sliding blocks are both positioned in the middle of the bidirectional screw rod, when a clamping unit clamps a workpiece and lifts the workpiece, the second air cylinder is started to drive the bottom plate to move downwards to penetrate through a through hole in the middle of the workpiece at the bottommost, then the motor is, therefore, the clamping mechanism effectively prevents the workpiece from falling off in the movement process through clamping the workpiece all around and supporting the workpiece by the bottom surface, and when the clamping mechanism is used, the stand column is connected with the mechanical arm of the truss mechanical arm for use, so that redundant description is not provided. This technical scheme mainly carries out the centre gripping to the work piece that the middle part has the hole.

Preferably, still include the loading board, the loading board cover is located on the stand, the guide rail is connected with the loading board. Set up the loading board among this technical scheme, the guide rail is connected with the stand through being connected the realization with the loading board, is convenient for install the guide rail.

Preferably, the bottom surface of the carrier plate is coplanar with the bottom surface of the upright.

Preferably, a plurality of the guide rails are uniformly distributed along the circumferential direction of the upright post. The guide rails are evenly distributed along the circumferential direction of the upright post, so that when a workpiece is clamped, the clamping force of the clamping jaw on the workpiece is more even, and the workpiece is clamped by the grabbing component more tightly.

Preferably, the slide cylinders are provided in two. The sliding cylinders are arranged to be two, the clamping units are also two, the truss manipulator can clamp and transport two workpieces simultaneously, meanwhile, the whole structure of the device is not complex, the workpiece grabbing and transporting efficiency is improved, meanwhile, the structure of the device is simpler, and the production cost is reduced.

Preferably, the number of the connecting columns hinged on the sliding barrel is three, and the three connecting columns are uniformly distributed along the circumferential direction of the sliding barrel. The number of the connecting columns on the sliding barrel is three, and the three connecting columns are uniformly distributed, so that the clamping tightness of a workpiece can be guaranteed, the number of parts can be reduced, and the production cost can be reduced.

Preferably, the inner wall of the clamping jaw is connected with an elastic rubber block. The inner wall is a side wall of the clamping jaw contacted with the workpiece.

Preferably, the upright post and the sliding cylinder are both provided with a bulge, the cylinder is fixed on the bulge on the upright post, and the output end of the cylinder is connected with the bulge on the sliding cylinder. The vertical column and the sliding cylinder are provided with bulges, and the two ends of the cylinder are respectively connected with the bulges on the vertical column and the bulges on the sliding cylinder, so that the cylinder is convenient to install.

The beneficial effects of the utility model are embodied in: the technical scheme includes that an upright post is arranged, at least two sliding cylinders are sleeved on the upright post, at least two cylinders are arranged on the upright post, each sliding cylinder is correspondingly connected with the output end of one of the cylinders, a plurality of guide rails are arranged on the outer circumferential wall of the upright post, sliding blocks are arranged on the guide rails in a sliding mode, a plurality of connecting columns are hinged to the outer circumferential wall of each sliding cylinder, the other ends of the connecting columns are hinged to the sliding blocks, and clamping jaws are connected to the sliding blocks. The clamping units consisting of the sliding barrel, the connecting column, the sliding block and the clamping jaws clamp the workpieces, and by using the device, more than two workpieces can be simultaneously clamped and transported to a reprocessing position through different clamping units in the one-time movement process of the truss manipulator, so that the grabbing efficiency of the clamping mechanism is improved, and meanwhile, more than two workpieces are transported in the one-time movement process of the truss manipulator, so that the energy of the reciprocating transportation of the manipulator can be fully utilized, and the energy is saved; through setting up bottom plate and corresponding structure, clamping mechanism is through the centre gripping of work piece all around and the support of bottom surface to the work piece, prevents effectively that the work piece from dropping at the motion in-process.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a front sectional view of the connection of the inner components of the center pillar of the present invention;

fig. 3 is a schematic structural diagram of a workpiece.

In the attached drawing, 1-upright column, 2-sliding cylinder, 3-bearing plate, 4-connecting column, 5-guide rail, 6-sliding block, 7-clamping jaw, 8-air cylinder, 9-bulge, 10-bottom plate, 11-blind hole, 12-motor, 13-bidirectional screw, 14-lead screw sliding block and 15-second air cylinder.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.

Examples

As shown in fig. 1, 2 and 3, the device comprises an upright post 1, at least two sliding cylinders 2 and at least two cylinders 8, wherein the sliding cylinders 2 are sleeved on the upright post 1 and can slide up and down on the upright post 1, the cylinders 8 are arranged on the upright post 1, the cylinders 8 are positioned above the sliding cylinders 2, each sliding cylinder 2 is correspondingly connected with an output end of one of the cylinders 8, a plurality of guide rails 5 are connected on the outer circumferential wall of the upright post 1 along the circumferential direction thereof, a sliding block 6 is arranged on each guide rail 5 in a sliding manner, the sliding cylinders 2 are positioned above the guide rails 5, a plurality of connecting columns 4 are hinged on each sliding cylinder 2, the other ends of the connecting columns 4 are hinged on the sliding blocks 6, each connecting column 4 is correspondingly hinged on one sliding block 6, and each sliding block 6 is connected with a; the sliding cylinder 2, a connecting column 4 connected with the sliding cylinder 2, a sliding block 6 and a clamping jaw 7 form a clamping unit for clamping a workpiece, and the height of the clamping jaw 7 in the clamping unit where the sliding cylinder 2 is located above is higher than that of the clamping jaw 7 in the clamping unit where the sliding cylinder 2 is located below; open in the bottom surface of stand 1 has blind hole 11, the lateral wall of blind hole 11 is equipped with the motor 12 that the level was placed, be connected with two-way screw 13 on the output of motor 12, the cover is equipped with two screw rod sliders 14 that match with it screw thread on two-way screw 13, and it has the recess parallel with two-way screw rod 13 to open at the roof of blind hole 11, in screw rod slider 14's the top embedding recess, be connected with second cylinder 15 in screw rod slider 14's bottom, be connected with bottom plate 10 on second cylinder 15's the output. In this embodiment, the clamping jaw 7 is connected with the bottom surface of the sliding block 6, the upright column 2 and the cylinder 8 are vertically arranged, the guide rail 5 is horizontally arranged, and the second cylinder 15 is vertically arranged. In order to facilitate the installation of the guide rail 5, the present embodiment further includes a bearing plate 3, the bearing plate 3 is sleeved on the column 1, and the guide rail 5 is connected with the bearing plate 3. In order to save the space occupied by the grabbing component, the bottom surface of the bearing plate 3 is coplanar with the bottom surface of the upright post 1 in the embodiment. In the present embodiment, a plurality of the guide rails 5 are uniformly distributed along the circumferential direction of the column 1. In order to improve the grabbing efficiency and simultaneously reduce the number of parts of the grabbing assembly, in this embodiment, the number of the sliding cylinders 2 is two, the clamping unit where the upper sliding cylinder 2 is located is provided with a first air cylinder on the sliding block 6, and the output end of the first air cylinder is connected with the clamping jaw 7, so that the clamping workpieces of the upper clamping unit can be conveniently placed. In the embodiment, the number of the connecting columns 4 hinged on the sliding barrel 2 is three, and the three connecting columns 4 are uniformly distributed along the circumferential direction of the sliding barrel 2. In this embodiment, the inner wall of the clamping jaw 7 is connected with an elastic rubber block. In this embodiment, the upright post 1 and the sliding barrel 2 are both provided with a protrusion 9, the cylinder 8 is fixed on the protrusion 9 on the upright post 1, and the output end of the cylinder 8 is connected with the protrusion 9 on the sliding barrel 2.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims

1. The utility model provides a clamping mechanism based on carousel feed bin which characterized in that: comprises a vertical column (1), at least two sliding cylinders (2) and at least two cylinders (8), the sliding cylinder (2) is sleeved on the upright post (1) and can slide up and down on the upright post (1), the cylinder (8) is arranged on the upright post (1), the air cylinders (8) are positioned above the sliding cylinders (2), each sliding cylinder (2) is correspondingly connected with the output end of one air cylinder (8), a plurality of guide rails (5) are connected on the outer circumferential wall of each sliding cylinder along the circumferential direction of the upright post (1), a sliding block (6) is arranged on each guide rail (5) in a sliding mode, the sliding cylinders (2) are positioned above the guide rails (5), a plurality of connecting columns (4) are hinged on each sliding cylinder (2), the other ends of the connecting columns (4) are hinged on the sliding blocks (6), each connecting column (4) is correspondingly hinged on one sliding block (6), and each sliding block (6) is connected with a clamping jaw (7); the sliding cylinder (2), a connecting column (4) connected with the sliding cylinder (2), a sliding block (6) and a clamping jaw (7) form a clamping unit to clamp a workpiece, and the height of the clamping jaw (7) in the clamping unit where the sliding cylinder (2) located above is higher than the height of the clamping jaw (7) in the clamping unit where the sliding cylinder (2) located below is located; open the bottom surface at stand (1) has blind hole (11), the lateral wall of blind hole (11) is equipped with motor (12) that the level was placed, be connected with two-way screw rod (13) on the output of motor (12), the cover is equipped with two lead screw slider (14) that match with it screw thread on two-way screw rod (13), and it has the recess parallel with two-way screw rod (13) to open on the roof of blind hole (11), in the top embedding recess of lead screw slider (14), be connected with second cylinder (15) in the bottom of lead screw slider (14), be connected with bottom plate (10) on the output of second cylinder (15).

2. The clamping mechanism based on the turntable bunker of claim 1, wherein: still include loading board (3), on stand (1) was located in the cover of loading board (3), guide rail (5) are connected with loading board (3).

3. The clamping mechanism based on the turntable bunker as claimed in claim 2, wherein: the bottom surface of the bearing plate (3) is coplanar with the bottom surface of the upright post (1).

4. The clamping mechanism based on the turntable bunker of claim 1, wherein: a plurality of guide rails (5) are uniformly distributed along the circumferential direction of the upright post (1).

5. The clamping mechanism based on the turntable bunker of claim 1, wherein: the number of the sliding cylinders (2) is two.

6. The clamping mechanism based on the turntable bunker of claim 1, wherein: the number of the connecting columns (4) hinged to the sliding barrel (2) is three, and the three connecting columns (4) are uniformly distributed along the circumferential direction of the sliding barrel (2).

7. The clamping mechanism based on the turntable bunker of claim 1, wherein: the inner wall of the clamping jaw (7) is connected with an elastic rubber block.

8. The clamping mechanism based on the turntable bunker of claim 1, wherein: all be provided with arch (9) on stand (1) and slide cartridge (2), on arch (9) on cylinder (8) are fixed in stand (1), the output of cylinder (8) is connected with arch (9) on slide cartridge (2).