CN213036889U

CN213036889U - Rotary grabbing device

Info

Publication number: CN213036889U
Application number: CN202021223194.9U
Authority: CN
Inventors: 杨云林
Original assignee: Ningbo Kepler Intelligent Technology Co ltd
Current assignee: Ningbo Kepler Intelligent Technology Co ltd
Priority date: 2020-06-28
Filing date: 2020-06-28
Publication date: 2021-04-23
Anticipated expiration: 2030-06-28

Abstract

The utility model provides a rotatory grabbing device belongs to work piece conveying equipment technical field. The workpiece conveying device solves the problem that workpieces are damaged in the process of conveying the workpieces by the conventional workpiece conveying equipment. The utility model relates to a rotatory grabbing device includes the support, snatchs subassembly, lifting disk and supporting component. The lifting disc moves relative to the support, the supporting component is mounted on the lifting disc, when the grabbing component clamps a workpiece placed on the supporting component or when the grabbing component places the workpiece on the supporting component, the lifting disc drives the supporting component to descend, and then the grabbing component rotates to a preset angle, so that the situation that the grabbing component collides with the workpiece is avoided, and the situation that the workpiece touches the supporting component is also avoided.

Description

Rotary grabbing device

Technical Field

The utility model belongs to the technical field of work piece conveying equipment, a rotatory grabbing device is related to.

Background

In recent years, compared with other processing equipment such as a numerical control processing center and an FMC (flexible manufacturing center), when the industrial robot is applied to the field of mechanical processing, the industrial robot has the advantages of low cost, high automation degree, good flexibility, small installation space and the like, can meet modern production requirements of various types, small batch and field processing, and meets complex processing requirements such as free curved surfaces and complex cavities, particularly, a grabbing device in the industrial robot can efficiently complete grabbing work and conveying work on workpieces, but the grabbing device on the market often adopts a movable grabbing device to grab the workpieces, so that the workpieces on the grabbing device possibly collide with the equipment for placing the workpieces after the grabbing device grabs the workpieces, and the workpieces are damaged.

Disclosure of Invention

The utility model aims at having the above-mentioned problem to current technique, provided a rotatory grabbing device of reducible work piece damage.

The purpose of the utility model can be realized by the following technical proposal: a rotary grasping apparatus comprising:

a support;

the grabbing component is arranged on the bracket and rotates relative to the bracket;

the lifting disc is arranged on the support and moves relative to the support, and the lifting disc is provided with a supporting component which moves relative to the lifting disc.

In the above-mentioned rotary gripping device, the support is provided with a rodless cylinder body for driving the lifting disc to move, the support is provided with at least two guide rods for guiding the lifting disc to move directionally, and each guide rod penetrates through the lifting disc.

In the above-mentioned rotary grabbing device, the support assembly includes a screw rod passing through the lifting disc and a support disc installed at one end of the screw rod, and a wheel disc is arranged at the other end of the screw rod.

In the above-mentioned rotary grabbing device, the grabbing assembly includes a rotating plate, a rotating disk and an inner cylinder body, the inner cylinder body is installed on the support, the rotating plate is installed on the rotating disk, the rotating disk is installed on the inner cylinder body, and the inner cylinder body drives the rotating disk to rotate.

In the above-mentioned rotary grabbing device, the rotary plate includes an inner disc and an outer disc, the outer disc rotates relative to the inner disc, and the outer disc is provided with a rotating shaft for connecting the rotary plate.

In the above-mentioned rotary grabbing device, the border department of outer dish is equipped with left stopper and right stopper, be equipped with the limiting plate on the interior cylinder body.

In the above-mentioned rotary grabbing device, the rotating plate is provided with an outer cylinder body, the outer cylinder body is provided with a plurality of clamping jaws, and the clamping jaws move relative to the outer cylinder body.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses in, the relative support of lifter plate removes, installs supporting component on the lifter plate for when snatching the work piece centre gripping that the subassembly will place on supporting component or when snatching the subassembly and place the back on supporting component with the work piece, the lifter plate drives supporting component and descends, later, snatchs the subassembly and rotates to predetermined angle, so, avoids snatching the condition that subassembly and work piece bump, also avoids the condition that work piece and supporting component take place the touching.

2. The supporting component moves relative to the lifting disc, and before people place the supporting component on the workpiece, people need to adjust the distance between the top surface of the supporting component and the lifting disc according to the thickness of the workpiece, so that the height of the supporting component can be within the grabbing range of the grabbing component, and the grabbing component can grab the workpiece smoothly.

3. When the left limiting block just supports one end of the limiting plate or the right limiting block just supports one end of the limiting plate, the outer disc does not rotate relative to the inner disc any more, and therefore the rotating plate can be prevented from rotating beyond the range relative to the support.

Drawings

Fig. 1 is a schematic structural diagram of a preferred embodiment of the present invention.

Fig. 2 is a schematic view of the structure of fig. 1 from another view angle.

Fig. 3 is a schematic structural view of fig. 1 with the rotating plate removed.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1-3, the present invention relates to a rotary gripping device, which comprises a support 100, a gripping assembly 200, a lifting plate 300 and a supporting assembly 310.

The grabbing component 200 is installed on the bracket 100, the grabbing component 200 rotates relative to the bracket 100, the lifting plate 300 is installed on the bracket 100, the lifting plate 300 moves relative to the bracket 100, the supporting component 310 is installed on the lifting plate 300, in the working process of the rotary grabbing device, when the grabbing component 200 clamps a workpiece, the lifting plate 300 drives the supporting component 310 to ascend to a preset height, then the grabbing component 200 overturns to enable the workpiece to be just above the supporting component 310, then the grabbing component 200 is loosened to enable the workpiece to just fall on the supporting component 310, then the lifting plate 300 drives the supporting component 310 to descend, the grabbing component 200 rotates reversely until the grabbing component 200 is reset to an initial state, thus, the grabbing component 200 is prevented from touching the supporting component 310 in the resetting process, and further, when the grabbing component 200 takes away the workpiece placed on the supporting component 310, firstly, people need to rotate the grabbing component 200 to a preset position, open the grabbing component 200, control the lifting disc 300 to ascend so that a workpiece placed on the supporting component 310 is just embedded into the grabbing component 200, clamp the workpiece by the grabbing component 200, drive the supporting component 310 to descend by the lifting disc 300, and drive the workpiece to rotate to a preset angle by the grabbing component 200, so that the situation that the workpiece touches the supporting component 310 in the process of driving the workpiece to rotate by the grabbing component 200 is avoided; further, the supporting component 310 moves relative to the lifting plate 300, and before people place the workpiece on the supporting component 310, people need to properly adjust the distance between the top surface of the supporting component 310 and the lifting plate 300 according to the thickness of the workpiece, so that the height of the supporting component 310 can be within the grabbing range of the grabbing component 200, and the grabbing component 200 can grab the workpiece smoothly.

The support 100 is provided with a rodless cylinder 110 for driving the lifting disc 300 to move, the support 100 is provided with at least two guide rods 120 for guiding the lifting disc 300 to move directionally, each guide rod 120 penetrates through the lifting disc 300, and when the rodless cylinder 110 drives the lifting disc 300 to move relative to the support 100, each guide rod 120 penetrates through the lifting disc 300, so that the lifting disc 300 can move along the track of the guide rod 120, and thus, the motion stability of the lifting disc 300 can be ensured, namely, the motion stability of the support assembly 310 is ensured.

The supporting component 310 comprises a screw rod 311 penetrating through the lifting disc 300 and a supporting disc 312 installed at one end of the screw rod 311, the other end of the screw rod 311 is provided with a wheel disc 313, when the supporting component 310 is adjusted, because the screw rod 311 is in threaded connection with the lifting disc 300, when people rotate the wheel disc 313, the supporting disc 312 moves relative to the lifting disc 300, namely, the distance between the supporting disc 312 and the lifting disc 300 can be adjusted, namely, the height of the supporting disc 312 can be adjusted, so that the height of the supporting component 310 can be within the grabbing range of the grabbing component 200, and the grabbing component 200 can grab a workpiece smoothly.

The grabbing assembly 200 includes a rotating plate 210, a rotating plate 220 and an inner cylinder 230, the inner cylinder 230 is mounted on the bracket 100, the rotating plate 210 is mounted on the rotating disk 220, the rotating plate 220 is mounted on an inner cylinder 230, the inner cylinder 230 drives the rotating plate 220 to rotate, an outer cylinder 211 is provided on the rotating plate 210, a plurality of jaws 211a are installed on the outer cylinder 211, the jaws 211a move with respect to the outer cylinder 211, in the process of grabbing the workpiece, one needs to operate the outer cylinder body 211 first, so that the outer cylinder body 211 controls the jaws 211a to move outward, and then, operates the inner cylinder body 230, so that the inner cylinder 230 controls the rotation plate 220 to move, since the rotation plate 210 is mounted on the rotation plate 220, when the rotating disc 220 works, the rotating plate 210 also moves, and the outer cylinder 211 is mounted on the rotating plate 210, so that the jaws 211a can rotate relative to the bracket 100.

The rotating plate 220 comprises an inner plate 221 and an outer plate 222, the outer plate 222 rotates relative to the inner plate 221, the outer plate 222 is provided with a rotating shaft 222a for connecting the rotating plate 210, the edge of the outer plate 222 is provided with a left limiting block 222b and a right limiting block 222c, the inner cylinder 230 is provided with a limiting plate 231, the limiting plate 231 is integrally in a circular arc shape, the limiting plate 231 is positioned on one side of the rotating plate 220, when the outer plate 222 rotates to a certain angle relative to the inner plate 221, the left limiting block 222b just abuts against one end of the limiting plate 231 or the right limiting block 222c just abuts against one end of the limiting plate 231, at this time, the outer plate 222 does not rotate relative to the inner plate 221 any more, thus the workpiece grabbing angle adjustment of the claw 211a to the workpiece can be completed, when the workpiece is clamped by the claw 211a, the outer plate 222 rotates to a certain angle in the opposite direction relative to the inner plate 221, that is, when the right limiting block 222, the two jaws 211a are released to place the workpiece at a designated position, thereby preventing the rotating plate 210 from rotating over a range with respect to the stand 100.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. A rotary gripping device, comprising:

a support;

2. The rotary grabbing device of claim 1, wherein the support is provided with a rodless cylinder for driving the lifting plate to move, the support is provided with at least two guide rods for guiding the lifting plate to move directionally, and each guide rod penetrates through the lifting plate.

3. The rotary grabbing device of claim 1, wherein the supporting assembly comprises a screw rod penetrating through the lifting disc and a supporting disc mounted at one end of the screw rod, and a wheel disc is arranged at the other end of the screw rod.

4. The rotary grabbing device of claim 1, wherein the grabbing assembly comprises a rotating plate, a rotating disk and an inner cylinder body, the inner cylinder body is mounted on the bracket, the rotating plate is mounted on the rotating disk, the rotating disk is mounted on the inner cylinder body, and the inner cylinder body drives the rotating disk to rotate.

5. The rotary grab apparatus of claim 4, wherein the rotary plate comprises an inner plate and an outer plate, the outer plate rotates relative to the inner plate, and the outer plate is provided with a rotating shaft for connecting the rotary plate.

6. The rotary grabbing device of claim 5, wherein a left limiting block and a right limiting block are arranged at the edge of the outer disc, and a limiting plate is arranged on the inner cylinder body.

7. The rotary grab apparatus of claim 4, wherein the rotating plate has an outer cylinder, and the outer cylinder has a plurality of jaws mounted thereon, the jaws moving relative to the outer cylinder.