CN109573908B

CN109573908B - Automatic lifting and overturning device

Info

Publication number: CN109573908B
Application number: CN201811526749.4A
Authority: CN
Inventors: 杨平
Original assignee: Jiangsu Fenghesheng Technology Co ltd
Current assignee: Jiangsu Fenghesheng Technology Co ltd
Priority date: 2018-12-13
Filing date: 2018-12-13
Publication date: 2024-03-15
Anticipated expiration: 2038-12-13
Also published as: CN109573908A

Abstract

The invention discloses an automatic lifting turnover device, which comprises a lifting mechanism, a turnover mechanism and a clamping mechanism, wherein the lifting mechanism comprises a lifting gear motor, a motor commutator, 2 turbine screw rods which are symmetrically arranged and are in transmission connection with the motor commutator, and a turnover mechanism mounting frame which is connected with screw nuts, the turnover mechanism comprises a turnover gear motor and a turnover shaft which is connected with an output shaft of the turnover gear motor, the clamping mechanism comprises two clamping block assemblies which are symmetrically arranged at two sides of the turnover shaft and can relatively move, a clamping driving device positioned in the middle of the turnover shaft and two connecting rods, the clamping driving device comprises a sliding assembly which can move along the length direction perpendicular to the turnover shaft, a driving cylinder and a sliding locking assembly, and two ends of each connecting rod are respectively and rotatably connected with the clamping block assembly and the sliding assembly. The device can realize high-speed, high-precision and high-load automatic lifting and overturning.

Description

Automatic lifting and overturning device

Technical Field

The invention relates to an automatic lifting and overturning device, and belongs to the technical field of automatic production.

Background

The existing lifting turnover device has the following problems: the movement speed is slower, and the requirement of high-speed production is difficult to reach; the running load is small, and the requirement of a complex heavy-duty lifting turnover structure is difficult to meet; the repeated positioning accuracy of operation is not enough, and the production requirement of high accuracy is difficult to meet; the lifting distance travel of the structure is short, and the requirement of picking, placing, assembling and production at different heights is difficult to meet; the above drawbacks limit the development of the existing demand to some extent.

Disclosure of Invention

The invention aims to solve the technical problem of providing a high-speed, high-precision and high-load automatic lifting and overturning device.

In order to solve the technical problems, the invention adopts the following technical scheme:

the utility model provides an automatic lifting turning device, includes elevating system, tilting mechanism and clamping mechanism, elevating system include lift gear motor, motor commutator, 2 symmetry set up with worm wheel lead screw that motor commutator transmission is connected and the tilting mechanism mounting bracket that is connected with screw-nut, tilting mechanism include tilting gear motor and with tilting gear motor output shaft's tilting shaft, clamping mechanism includes two symmetry settings but tilting shaft both sides relative movement's clamping block subassembly, be located clamping drive device and two connecting rods in the middle of the tilting shaft, clamping drive device includes can be followed perpendicularly tilting shaft length direction removal slip subassembly, actuating cylinder and slip locking subassembly, the connecting rod both ends respectively with clamping block subassembly and slip subassembly rotatable coupling.

The clamping block assembly comprises a base I, a slide rail I, a slide block limiting plate opposite to the slide block I and a clamping block positioned on the slide block I, wherein the clamping block comprises a U-shaped bayonet and limiting shafts positioned on two sides in the bayonet.

The sliding assembly comprises a base II, a sliding rail II, a sliding block II and a buffer opposite to the sliding block II, wherein the output end of the driving cylinder is connected with the sliding block II, and the sliding locking assembly is a sliding rail lock connected with the sliding block II.

The lifting mechanism further comprises at least one guide shaft which is arranged in parallel with the screw rod, and the turnover mechanism mounting frame is further sleeved on the guide shaft.

The turnover mechanism further comprises a turnover limiting device, a first sensor for detecting the height, a second sensor for detecting the turnover degree and a third sensor for detecting whether a product to be clamped exists or not.

The overturning limiting device is a limiting switch.

The invention has the beneficial effects that: the mechanism adopts a compact modularized design, realizes uniform layout under different structures, adopts a servo motor to directly drive a worm gear and a worm to drive a screw rod to move up and down, and the self-locking structure of the mechanism can prevent products from falling down and the like under unexpected conditions, can ensure stable lifting of the products, and reduces the shaking of the mechanism to generate adverse effects; the turnover of the mechanism is directly driven by a servo motor, the clamping mechanism drives the connecting rod to clamp the carrier by one cylinder, and then the servo motor rotates, so that the turnover of the product is realized, and the loading capacity and the clamping efficiency of the device can be improved. The mechanism can also rapidly realize a layout structure according to the actual use requirement of the equipment, and has flexible practicability and interchange adjustability.

Drawings

FIG. 1 is an isometric view of an embodiment;

FIG. 2 is a front view of an embodiment;

FIG. 3 is an enlarged view of a portion of FIG. 1;

fig. 4 is a partial enlarged view of fig. 1.

Detailed Description

The invention is further described below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present invention, and are not intended to limit the scope of the present invention.

As shown in fig. 1 and 2, an automatic lifting and turning device comprises a lifting mechanism, a turning mechanism and a clamping mechanism, and the specific structure is as follows: the lifting mechanism comprises a lifting gear motor 11, a motor commutator 12, a coupler 13, a connecting rod 14, a worm wheel screw 15 which is arranged in bilateral symmetry, a guide shaft 2, a polished rod 3 and a turnover mechanism mounting frame which is connected with a screw nut 151 and sleeved on the guide shaft 2 and the polished rod 3, and a lifting grating sensing piece which is used for detecting the height is further arranged on the turnover mechanism mounting frame.

The turnover mechanism comprises a turnover speed reducing motor 42, a turnover shaft 41, a turnover grating sheet, a turnover limit switch and a turnover sensor, wherein the turnover speed reducing motor 42 is arranged on a turnover mechanism mounting frame, the turnover shaft 41 is connected with an output shaft of the turnover speed reducing motor, the turnover grating sheet is sleeved at the end part of the turnover shaft 41 and used for detecting turnover degree, and the turnover sensor is used for detecting whether a target product is in place.

The clamping mechanism comprises two clamping block assemblies 52 symmetrically arranged at two sides of the turnover shaft 41, a clamping driving device 51 positioned in the middle of the turnover shaft and two connecting rods 53, as shown in fig. 3, the clamping block assemblies comprise a first base 521, a first slide rail 522, a first slide block 523, a slide block limiting plate opposite to the first slide block and clamping blocks 524 positioned on the first slide block, the clamping blocks 52 are provided with U-shaped bayonets, limiting shafts 525 are arranged at two sides in the bayonets, pin shafts 526 hinged with the connecting rods 53 are further arranged on the first slide block, the clamping blocks 52 at two sides can relatively move on the slide rails to clamp a target product, the limiting shafts 525 can avoid shifting, sliding out and the like in the turnover process, and shaft sleeves can be further arranged on the limiting shafts 525 to protect the product.

As shown in FIG. 4, the clamping driving device comprises a sliding component moving in the length direction perpendicular to the turning shaft, a driving cylinder 511, and a slide rail lock 515. The sliding component 51 comprises a second base 512, a second slide rail 514, a second slide block 513, and a buffer 516 opposite to the second slide block 513. The bottom of the second slide block 513 is provided with a connecting seat 5131 connected with the output end of the driving cylinder, the cylinder 511 and the second base 512 are distributed on two sides of the turning shaft 41, so that the reasonable layout is facilitated, the second slide block 513 is also provided with a pin roll 517 hinged with a connecting rod 53, and the second slide block 513 moves along the slide rail under the driving of the cylinder 511, and the connecting rod 53 drives a clamping block 524 to move relatively or reversely to clamp and release a product.

The specific using method is as follows:

i: firstly, the lifter is in a descending position, a target product is conveyed to a position to be clamped by a conveying device, and then a turnover sensor detects that the target product is in place;

II: the clamping cylinder 511 extends out, the clamping block 524 is driven to shrink by the connecting rod 53, the target product is clamped and clamped by the clamping block limiting shaft 525, at the moment, the sliding rail is locked by the sliding rail lock 515 locking block, the target product cannot move, and the conveying device exits;

III: the lifting gear motor 11 rotates, the motor commutator 12 drives the worm wheel screw 15 to enable the target product to rise to a specific position to stop, the overturning gear motor 42 rotates, and the target product is overturned for 180 degrees;

IV: the conveyor is in, the clamping cylinder 511 is retracted, and the clamping block 524 is released to place the target product into the conveyor belt for the next station.

The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and variations could be made by those skilled in the art without departing from the technical principles of the present invention, and such modifications and variations should also be regarded as being within the scope of the invention.

Claims

1. The automatic lifting turnover device is characterized by comprising a lifting mechanism, a turnover mechanism and a clamping mechanism, wherein the lifting mechanism comprises a lifting gear motor, a motor commutator, 2 worm wheel screw rods which are symmetrically arranged and are in transmission connection with the motor commutator, and a turnover mechanism mounting frame which is connected with screw rod nuts, the turnover mechanism comprises a turnover gear motor and a turnover shaft which is connected with the output end of the turnover gear motor, the clamping mechanism comprises two clamping block assemblies which are symmetrically arranged at two sides of the turnover shaft and can relatively move, a clamping driving device positioned in the middle of the turnover shaft and two connecting rods, the clamping driving device comprises a sliding assembly which can move along the length direction perpendicular to the turnover shaft, a driving cylinder and a sliding locking assembly, and two ends of each connecting rod are respectively and rotatably connected with the clamping block assembly and the sliding assembly;

the clamping block assembly comprises a base I, a slide rail I, a slide block limiting plate opposite to the slide block I and a clamping block positioned on the slide block I, wherein the clamping block comprises a U-shaped bayonet and limiting shafts positioned at two sides in the bayonet;

the sliding assembly comprises a base II, a sliding rail II, a sliding block II and a buffer opposite to the sliding block II, the output end of the driving cylinder is connected with the sliding block II, and the sliding locking assembly is a sliding rail lock connected with the sliding block II;

2. The automatic lifting and turning device according to claim 1, wherein the turning mechanism further comprises a turning limiting device, a first sensor for detecting the height, a second sensor for detecting the turning degree and a third sensor for detecting whether a product to be clamped is present or not.

3. The automatic lifting and turning device according to claim 2, wherein the turning limit device is a limit switch.