CN216264388U

CN216264388U - Workpiece grabbing and assembling mechanism

Info

Publication number: CN216264388U
Application number: CN202122566594.0U
Authority: CN
Inventors: 龚航英
Original assignee: Yueqing Yiyu Automatic Machinery Manufacturing Co ltd
Current assignee: Yueqing Yiyu Automatic Machinery Manufacturing Co ltd
Priority date: 2021-10-25
Filing date: 2021-10-25
Publication date: 2022-04-12
Anticipated expiration: 2031-10-25

Abstract

The utility model is suitable for the technical field of automatic assembly, and provides a workpiece grabbing and assembling mechanism which comprises a bottom plate, wherein a linear vibrator is arranged at the top of the bottom plate, a feeding groove driven by the linear vibrator to vibrate is arranged at the top of the linear vibrator, a supporting column is fixedly connected at the front end of the bottom plate, a limiting seat positioned at the rear end of the feeding groove is fixedly connected at the top end of the supporting column, a side plate is arranged at the rear side of the bottom plate, an installation frame is arranged on the inner side wall of the side plate and above the feeding groove, and a rotating mechanism is arranged inside the installation frame. This assembly devices is snatched to work piece snatchs the mechanism through first cylinder drive and snatchs the work piece, and slewing mechanism drives and snatchs the mechanism rotation, and the second cylinder drives and snatchs the mechanism and stretch out forward and assemble, realizes automatic snatching, assembly process, and the precision is high, and assembly efficiency is high.

Description

Workpiece grabbing and assembling mechanism

Technical Field

The utility model belongs to the technical field of automatic assembly, and particularly relates to a workpiece grabbing and assembling mechanism.

Background

The automatic assembly refers to an assembly technology which replaces manual labor with an automatic machine. The automatic assembly technology adopts a robot as an assembly machine, flexible peripheral equipment is required, and the automatic assembly can complete the following operations in the assembly process: parts are transmitted, positioned and connected; the parts are fixed with each other by press fitting or fastening screws and nuts; the assembly size is controlled, and the connection or fixation quality of parts is ensured; the assembled parts or products are transported and packed or stacked in containers, etc.

The industrial plug industry has a plurality of parts and processes, and most of the industry adopts a sectional type production mode. The productivity is low, the labor cost is high, an integrated device is urgently needed by the industry to meet the requirement of automatic production, and a mechanism for installing the spring fastener into the copper part is needed in the device.

SUMMERY OF THE UTILITY MODEL

The utility model provides a workpiece grabbing and assembling mechanism, which aims to solve the problems in the background technology.

The utility model is realized in such a way, the workpiece grabbing and assembling mechanism comprises a bottom plate, wherein a rectilinear vibration device is arranged at the top of the bottom plate, a feeding groove driven by the rectilinear vibration device to vibrate is arranged at the top of the rectilinear vibration device, a supporting column is fixedly connected at the front end of the bottom plate, a limiting seat positioned at the rear end of the feeding groove is fixedly connected at the top end of the supporting column, a side plate is arranged at the rear side of the bottom plate, an installation frame is arranged on the inner side wall of the side plate and positioned above the feeding groove, a rotating mechanism is arranged in the installation frame, a rotating seat driven by the rotating mechanism to rotate is arranged on the rotating mechanism, a grabbing mechanism is fixedly connected on the side wall of the rotating seat, a supporting plate is fixedly connected at the front end of the installation frame, a supporting frame is fixedly connected at the top end of the supporting plate, and a first air cylinder matched with the grabbing mechanism is vertically arranged on the supporting frame, the rear end fixedly connected with fixed plate of installing frame, transversely run through on the fixed plate and be provided with an output and extend to the installing frame inner chamber drive actuating cylinder, keep away from on the fixed plate one side of installing frame transversely run through be provided with snatch the second cylinder of mechanism cooperation work, first cylinder with the second cylinder is in same vertical plane and mutually perpendicular.

Preferably, slewing mechanism includes one rotationally transversely sets up the axis of rotation of installing frame inner chamber, the fixed surface of axis of rotation is connected with the gear, the inner chamber slidable of installing frame transversely be provided with one with the rack plate of gear meshing, the one end of rack plate with drive actuating cylinder's output fixed connection, the front end of axis of rotation rotationally run through extremely the outside front side of installing frame and with rotate seat fixed connection.

Preferably, the grabbing mechanism comprises an outer frame, a first sleeve penetrates through the inner portion of the outer frame in a sliding mode, a first spring is arranged on the surface of the first sleeve and located between the top of the outer frame and the top of the outer wall of the first sleeve, a second sleeve is sleeved on the inner cavity of the first sleeve in a sliding mode, two ends of the second sleeve extend to the outside of the first sleeve, and a second spring is arranged on the surface of the second sleeve and located between the top end of the first sleeve and the top end of the outer wall face of the second sleeve.

Preferably, the rear end of axis of rotation rotationally runs through to the rear side of installing frame, the rear end fixedly connected with of axis of rotation has a bellied spacing tooth, the rear side wall fixedly connected with stopper of installing frame, seted up a confession on the stopper spacing tooth rotates 90 spacing chamber.

Preferably, the height of the rear end of the feeding groove is greater than that of the front end of the feeding groove, and the whole feeding groove is obliquely arranged.

Preferably, the upper surface of the limiting seat is fixedly provided with two elastic blocks, and an accommodating cavity matched with the workpiece is formed between the two elastic blocks.

Advantageous effects

Compared with the prior art, the utility model has the beneficial effects that: according to the workpiece grabbing and assembling mechanism, a first air cylinder drives the grabbing mechanism to grab a workpiece, the rotating mechanism drives the grabbing mechanism to rotate, a second air cylinder drives the grabbing mechanism to extend forwards for assembling, automatic grabbing and assembling procedures are achieved, accuracy is high, assembling efficiency is high, the driving air cylinder and the rotating mechanism are arranged to drive the grabbing mechanism to rotate, the defect that a conventional rotating air cylinder is prone to failure in a high-dust environment is overcome, the limit teeth and the limit blocks are arranged to limit the rotating angle, the limit teeth and the limit blocks are matched with the stroke of the driving air cylinder, accuracy positioning is achieved, and the problem that accurate assembling cannot be achieved due to the fact that the rotating angle is too large is avoided.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic perspective view of the present invention;

FIG. 3 is a schematic structural view of a rotating mechanism according to the present invention;

FIG. 4 is a schematic structural view of a limiting tooth and a limiting block according to the present invention;

FIG. 5 is a schematic structural view of a grasping mechanism according to the present invention;

fig. 6 is a schematic structural view of the spacing block of the present invention.

In the figure: 1-bottom plate, 2-vertical vibration device, 3-feeding trough, 4-side plate, 5-mounting frame, 6-rotating mechanism, 61-rotating shaft, 62-gear, 63-rack plate, 7-fixing plate, 8-driving cylinder, 9-supporting column, 10-limiting seat, 11-supporting plate, 12-supporting frame, 13-first cylinder, 14-second cylinder, 15-rotating seat, 16-grabbing mechanism, 161-outer frame, 162-first sleeve, 163-first spring, 164-second sleeve, 165-second spring, 17-limiting tooth, 18-limiting block, 19-limiting cavity and 20-elastic block.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides a workpiece grabbing assembly mechanism, includes bottom plate 1, and the top of bottom plate 1 is provided with straight oscillator 2, and the top of straight oscillator 2 is provided with the last silo 3 by the drive vibration of straight oscillator 2, and the front end fixedly connected with of bottom plate 1 supports column 9, and the top fixedly connected with of support column 9 is located the spacing seat 10 of 3 rear ends of last silo.

During operation, the work piece is from the material loading of material loading tank 3, and under the effect of straight oscillator 2, material loading tank 3 continuously vibrates, drives the orderly forward motion of work piece, and a work piece in the forefront enters into on spacing seat 10.

The rear side of bottom plate 1 is provided with curb plate 4, the inside wall of curb plate 4 and the top that is located silo 3 are provided with an installing frame 5, the inside of installing frame 5 is provided with a slewing mechanism 6, be provided with on the slewing mechanism 6 by slewing mechanism 6 drive pivoted rotation seat 15, fixedly connected with snatchs mechanism 16 on the lateral wall of rotation seat 15, the front end fixedly connected with a backup pad 11 of installing frame 5, the top fixedly connected with support frame 12 of backup pad 11, the vertical first cylinder 13 that has one and snatchs the cooperation of mechanism 16 and use that is provided with on support frame 12, the rear end fixedly connected with fixed plate 7 of installing frame 5, transversely run through being provided with a drive actuating cylinder 8 that the output extends to the inner chamber of installing frame 5 on the fixed plate 7, the one side of keeping away from installing frame 5 on the fixed plate transversely runs through being provided with and snatchs mechanism 16 cooperation work's second cylinder 14, first cylinder 13 and second cylinder 14 are in same vertical plane and mutually perpendicular.

In this embodiment, the first cylinder 13 and the second cylinder 14 are not connected with the grabbing mechanism 16, and until the workpieces fall into the limiting seat 10, the first cylinder 13 extends, after the grabbing mechanism 16 is pushed to grab the workpieces, the first cylinder 13 contracts, the grabbing mechanism 16 resets, the driving cylinder 8 drives the rotating mechanism 6 to work, the grabbing mechanism 16 is driven to rotate 90 degrees to be in a horizontal state, then the second cylinder 14 works, the grabbing mechanism 16 is pushed to move forwards, the grabbed workpieces are installed on another workpiece, then the second cylinder 14 resets, the rotating mechanism 6 drives the grabbing mechanism 16 to rotate and reset, and the grabbing assembly process is repeated.

Further, the rotating mechanism 6 comprises a rotating shaft 61 which is rotatably and transversely provided with an inner cavity of the mounting frame 5, a gear 62 is fixedly connected to the surface of the rotating shaft 61, a rack plate 63 which is meshed with the gear 62 is slidably and transversely arranged in the inner cavity of the mounting frame 5, one end of the rack plate 63 is fixedly connected with the output end of the driving cylinder 8, and the front end of the rotating shaft 61 rotatably penetrates through the front side of the outer part of the mounting frame 5 and is fixedly connected with the rotating seat 15.

In this embodiment, the direction of axis of rotation 61 is perpendicular with the direction that drives actuating cylinder 8, when needing to rotate, drives actuating cylinder 8 extension and drives rack plate 63 and move forward to drive gear 62 and rotate, and then drive axis of rotation 61 and rotate 90, drive through rotating seat 15 and snatch mechanism 16 and rotate 90 to the horizontality, after the assembly is accomplished, drive actuating cylinder 8 and reset, drive rack plate 63 and reset, thereby drive axis of rotation 61 and snatch mechanism 16 and revolve 90 degrees and reset.

Further, snatch mechanism 16 includes frame 161, and the inside slidable of frame 161 runs through and is provided with a first sleeve pipe 162, and the surface of first sleeve pipe 162 just is located and is provided with first spring 163 between the top of frame 161 and the top of first sleeve pipe 162 outer wall, and the inner chamber slidable cover of first sleeve pipe 162 is equipped with second sleeve pipe 164, and the both ends of second sleeve pipe 164 all extend to the outside of first sleeve pipe 162, and the surface of second sleeve pipe 164 just is located and is provided with second spring 165 between the top of first sleeve pipe 162 and the top of the outer wall surface of second sleeve pipe 164.

In this embodiment, the workpiece is an elastic annular mechanism, when the workpiece is grasped, the first cylinder 13 extends to push the second sleeve 164 to extend, so that the second spring 165 is compressed, the second sleeve 164 moves downward to the position-limiting seat 10, the annular workpiece on the position-limiting seat 10 is nested at the bottom end of the second sleeve 164, then the first cylinder 13 is reset, under the elastic force of the second spring 165, the second sleeve 164 moves upward to reset, at this time, the annular workpiece is located on the portion, located outside the bottom end of the first sleeve 162, on the second sleeve 164, then the driving cylinder 8 drives the rotating mechanism 6 to work, drives the grasping mechanism 16 to rotate 90 degrees to the horizontal state, at this time, the grasping mechanism 16 corresponds to the second cylinder 14, the second cylinder 14 extends to push the first sleeve 162 to move, so that the first spring 163 is compressed, and drives the first sleeve 162 and the second sleeve 164 inside thereof to extend forward synchronously, when the second sleeve 164 abuts against the workpiece and cannot move, the second cylinder 14 continuously extends to push the first sleeve 162 to move forwards, the annular workpiece is ejected out from the bottom end of the second sleeve 164 and is installed to a specified installation position, then the second cylinder 14 resets, the first sleeve 162 drives the second sleeve 164 to reset simultaneously, the assembly is completed, then the second sleeve is rotated to be in a vertical state, the next workpiece is continuously grabbed, and the grabbing and assembling work is more efficient and accurate.

The top end of the outer surface of the first sleeve 162 and the second sleeve 164 is fixedly connected with an outward-expanding limiting ring, so that the first spring 163 and the second spring 165 can be conveniently installed, and the springs are prevented from falling off.

The first spring 163 and the second spring 165 are compression springs, and the elastic force of the first spring 163 is greater than that of the second spring 165, so that when the first cylinder 13 pushes the second sleeve 164 to extend out to grab a workpiece, the first sleeve 162 does not move synchronously to affect grabbing.

The diameter of the first sleeve 162 is larger than that of the second sleeve 164, and the output end of the second cylinder 14 is a hollow cylinder shape matched with the first sleeve 162, so that when the second cylinder 14 extends, the second sleeve 164 is not pushed alone, but the first sleeve 162 is pushed, and the first sleeve 162 drives the second sleeve 164 to move synchronously.

The bottom end of the second sleeve 164 is tapered to facilitate nesting of the workpieces.

Further, the rear end of axis of rotation 61 rotationally runs through to the rear side of installing frame 5, and the rear end fixedly connected with of axis of rotation 61 has a bellied spacing tooth 17, and a rear side wall fixedly connected with stopper 18 of installing frame 5 has seted up one on the stopper 18 and has supplied spacing tooth 17 to rotate 90 spacing chamber 19.

In this embodiment, when the rotation axis 61 drives the grabbing mechanism 16 to rotate 90 ° to the horizontal angle, the limit tooth 17 butts against one end of the limit cavity 19, so that the grabbing mechanism cannot continue to rotate, and the grabbing mechanism cooperates with the stroke of the driving cylinder 8 to realize accurate positioning.

Drive 8 output ends of actuating cylinder and slewing mechanism 6 and install inside installing frame 5, prevent to break down under high dust environment, reduce the fault rate.

Furthermore, the height of the rear end of the feeding groove 3 is greater than that of the front end, and the whole feeding groove is obliquely arranged.

In this embodiment, the continuous forward conveyance of the workpiece is facilitated.

Further, two elastic blocks 20 are fixedly mounted on the upper surface of the limiting seat 10, and an accommodating cavity matched with the workpiece is formed between the two elastic blocks 20.

In the present embodiment, the accommodating cavity formed by the two elastic blocks 20 has a certain interference, which is convenient for adapting to workpiece differences.

The working principle and the using process of the utility model are as follows: after the workpiece grabbing device is installed, workpieces are fed from a feeding groove 3, the feeding groove 3 continuously vibrates under the action of a straight vibrator 2 to drive the workpieces to move forwards in order, the foremost workpiece enters a limiting seat 10, when the workpieces fall onto the limiting seat 10, a first air cylinder 13 extends to push a grabbing mechanism 16 to grab the workpieces, the first air cylinder 13 contracts, the grabbing mechanism 16 resets, then an air cylinder 8 is driven to drive a rotating mechanism 6 to work, the grabbing mechanism 16 is driven to rotate 90 degrees to be in a horizontal state, then a second air cylinder 14 works to push the grabbing mechanism 16 to move forwards, the grabbed workpieces are installed on the other workpieces, then the second air cylinder 14 resets, the rotating mechanism 6 drives the grabbing mechanism 16 to rotate to reset, and the grabbing and assembling processes are repeated.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a work piece snatchs assembly devices which characterized in that: comprises a bottom plate (1), a rectilinear vibration device (2) is arranged at the top of the bottom plate (1), a feeding groove (3) driven to vibrate by the rectilinear vibration device (2) is arranged at the top of the rectilinear vibration device (2), a supporting column (9) is fixedly connected at the front end of the bottom plate (1), a limiting seat (10) positioned at the rear end of the feeding groove (3) is fixedly connected at the top end of the supporting column (9), a side plate (4) is arranged at the rear side of the bottom plate (1), an installation frame (5) is arranged on the inner side wall of the side plate (4) and above the feeding groove (3), a rotating mechanism (6) is arranged inside the installation frame (5), a rotating seat (15) driven to rotate by the rotating mechanism (6) is arranged on the rotating mechanism (6), a grabbing mechanism (16) is fixedly connected on the side wall of the rotating seat (15), the front end fixedly connected with a backup pad (11) of installing frame (5), the top fixedly connected with support frame (12) of backup pad (11), vertically on support frame (12) be provided with one with snatch first cylinder (13) that mechanism (16) cooperation was used, the rear end fixedly connected with fixed plate (7) of installing frame (5), transversely run through on fixed plate (7) be provided with an output and extend to drive actuating cylinder (8) of installing frame (5) inner chamber, keep away from on fixed plate (7) one side of installing frame (5) transversely run through be provided with snatch second cylinder (14) of mechanism (16) cooperation work, first cylinder (13) with second cylinder (14) just mutually perpendicular in same vertical plane.

2. A workpiece gripping and assembling mechanism as recited in claim 1, wherein: slewing mechanism (6) include one rotationally transversely set up axis of rotation (61) of installing frame (5) inner chamber, the fixed surface of axis of rotation (61) is connected with gear (62), the inner chamber slidable ground of installing frame (5) transversely be provided with one with rack plate (63) of gear (62) meshing, the one end of rack plate (63) with drive the output fixed connection of actuating cylinder (8), the front end of axis of rotation (61) rotationally run through extremely the outside front side of installing frame (5) and with rotate seat (15) fixed connection.

3. A workpiece gripping and assembling mechanism as recited in claim 1, wherein: the grabbing mechanism (16) comprises an outer frame (161), a first sleeve (162) is slidably arranged in the outer frame (161), a first spring (163) is arranged between the top of the outer frame (161) and the top of the outer wall of the first sleeve (162) in a penetrating mode, a second sleeve (164) is slidably sleeved in an inner cavity of the first sleeve (162), two ends of the second sleeve (164) extend to the outer portion of the first sleeve (162), and a second spring (165) is arranged between the top end of the first sleeve (162) and the top end of the outer wall of the second sleeve (164) on the surface of the second sleeve (164).

4. A workpiece gripping and assembling mechanism as recited in claim 2, wherein: the rear end of axis of rotation (61) rotationally runs through extremely the rear side of installing frame (5), the rear end fixedly connected with of axis of rotation (61) has a bellied spacing tooth (17), the back lateral wall fixedly connected with stopper (18) of installing frame (5), seted up one on stopper (18) and supplied spacing tooth (17) rotate 90 spacing chamber (19).

5. A workpiece gripping and assembling mechanism as recited in claim 1, wherein: the height of the rear end of the feeding groove (3) is greater than that of the front end, and the whole feeding groove is obliquely arranged.

6. A workpiece gripping and assembling mechanism as recited in claim 1, wherein: the upper surface fixed mounting of spacing seat (10) has two elastic blocks (20), two form the chamber that holds with work piece looks adaptation between elastic block (20).