CN215967074U

CN215967074U - Single part delivery device for automatic welding machine

Info

Publication number: CN215967074U
Application number: CN202122519772.4U
Authority: CN
Inventors: 郭天定; 郭天水
Original assignee: Wuxi Haifei Welding Equipment Co ltd
Current assignee: Wuxi Haifei Welding Equipment Co ltd
Priority date: 2021-10-19
Filing date: 2021-10-19
Publication date: 2022-03-08
Anticipated expiration: 2031-10-19

Abstract

The utility model relates to a single part delivery device for an automatic welding machine, which comprises a part conveying device, a delivery positioning device, a delivery hopper and a driving device, wherein the part conveying device is arranged on the delivery positioning device; the part conveying device comprises a conveying pipe; the delivery positioning device is fixed at the front side below the part conveying device; the delivery hopper is arranged at the lower sides of the delivery positioning device and the part conveying device; the delivery hopper is provided with an upward part containing hopper; the driving device is connected to the rear side of the delivery hopper; the delivery hopper is hinged at the tail end of the driving device, and an elastic reset part is arranged at the hinged position. According to the utility model, the elastic reset component is arranged between the delivery hopper and the connecting shaft, so that the delivery hopper not only can linearly receive and deliver the parts under the driving of the linear driving element, but also can have an upward overturning action at the tail end, and thus the overturning posture of the parts is more accurately delivered to a working part; simple structure, the reliability is high.

Description

Single part delivery device for automatic welding machine

Technical Field

The utility model relates to a part delivery device for an automatic welding machine, and belongs to the field of automatic equipment.

Background

With the development of the technology, the automation degree of the welding production process is higher and higher, and the automatic welding operation can be realized according to the program setting; in the process, in order to further improve the welding of the small parts, a part delivery device needs to be additionally arranged on the automatic welding machine, the parts are accurately delivered to the welding electrode, and then the electrode is started to weld.

For example, the chinese patent publication No. CN106945994A discloses a nut conveyor, which is to convey small parts such as nuts onto a lower electrode one by the conveyor for welding.

However, some current production processes are limited by the shape and size of the parts to be welded, so that the small parts are not convenient to weld to the parts to be welded from the lower part, and only the small parts can be welded from the upper part through the upper electrode, so that a special delivery device is needed to deliver the parts to the upper electrode part after the parts are picked up.

SUMMERY OF THE UTILITY MODEL

In order to achieve the above objects, the present invention provides a single part delivery device for an automatic welding machine, which is intended to stably and reliably deliver a single part to an upper electrode portion of the automatic welding machine for facilitating welding.

The utility model provides a single part delivery device for an automatic welding machine, which comprises a part conveying device, a delivery positioning device, a delivery hopper and a driving device, wherein the delivery positioning device is arranged on the part conveying device;

the part conveying device comprises a conveying pipe, the conveying pipe is connected with the part sorting device, and parts to be delivered are arranged in the conveying pipe in sequence; a part guide device is arranged below the part conveying device;

the delivery positioning device is fixed on the front side below the part conveying device, and a positioning part is arranged at the end part of the delivery positioning device;

the delivery hopper is arranged at the lower sides of the delivery positioning device and the part conveying device; the delivery hopper is provided with an upward part containing hopper;

the driving device is connected to the rear side of the delivery hopper; the delivery hopper is hinged at the tail end of the driving device, and an elastic reset part is arranged at the hinged position;

the delivery hopper is driven by the driving device to move from a discharge port of a part guide device of the part conveying device to the front end of the delivery positioning device and exceed the delivery positioning device;

the elastic reset component exerts upward overturning acting force on the lower part of the delivery bucket.

As a further improvement of the utility model, the underside of the delivery positioning device and the part conveying device is a smooth plane.

As a further improvement of the utility model, the driving device comprises a linear driving element, a connecting shaft, a connecting pipe, a guide seat and a guide component;

the linear driving element is provided with a driving rod capable of outputting linearly;

the tail end of the driving rod is connected with the connecting shaft, and the connecting shaft is slidably arranged in the guide seat;

the cylinder body of the linear driving element is fixed on the guide seat through the connecting pipe;

the tail end of the connecting shaft is hinged with the delivery hopper;

and a guide component is arranged between the connecting shaft and the guide seat.

Furthermore, the guide component comprises a sliding shaft sleeve arranged in the guide seat;

the connecting shaft is sleeved in the sliding shaft sleeve in a penetrating manner.

Furthermore, the guide component comprises a slide block, and the slide block is fixed with the guide seat;

the connecting shaft is provided with a guide groove, and the sliding block is clamped in the guide groove.

Still further, the delivery hopper is provided with a yielding area along the guide groove, and the front end of the sliding block can enter the hopper of the delivery hopper through the yielding area.

And furthermore, a part guide sliding surface is arranged at the front end of the sliding block and is connected with a part sliding guide surface in the part guide device.

As a further improvement of the utility model, the end of the delivery positioning device is provided with an avoidance groove.

According to the single part delivery device for the automatic welding machine, the elastic reset component is arranged between the delivery hopper and the connecting shaft, so that the delivery hopper not only can linearly receive and deliver parts under the driving of the linear driving element, but also can have an upward overturning action at the tail end, so that the parts are overturned and delivered to a working position more accurately, and the part pickup requirement of the upper electrode is met.

The single part delivery device for the automatic welding machine has the advantages of small number of parts, simple structure, easy maintenance, mechanical local action realized by the elastic reset part and higher reliability.

Drawings

FIG. 1 is a schematic view of the overall structure of a single part delivery device for an automatic welding machine according to the present invention in a material waiting state;

FIG. 2 is a schematic view showing the overall structure of the feeding state of a single part delivery device for an automatic welding machine according to the present invention;

FIG. 3 is an exploded view of the components of the single part delivery apparatus for an automatic welding machine of the present invention;

FIG. 4 is a schematic view of a single part delivery device for an automatic welding machine of the present invention in a partially cut-away view of parts in a feed state;

FIG. 5 is a schematic view of FIG. 4 with portions broken away;

FIG. 6 is an enlarged partial schematic view of FIG. 5;

fig. 7 is a partially broken-away view 2 showing a state of feeding a single part feeding device for an automatic welding machine according to the present invention.

Detailed Description

The utility model is further described below with reference to the following figures and specific examples.

Compared with the single part delivering device for the automatic welding machine, the single part delivering device for the automatic welding machine delivers the single part to the lower electrode, and has the difficulty that the part absorbing surface of the upper electrode is arranged below, so the part cannot directly slide down to the upper electrode by utilizing the gravity of the part, a special device is needed for pushing the part to the upper electrode from the lower part of the upper electrode absorbing surface, but if 1 driving element is added because of one more degree of freedom, the driving difficulty of the system is increased, and the reliability is poor.

As shown in fig. 1-2, which are schematic diagrams of the overall structure of a single part delivering device for an automatic welding machine according to the present invention, the delivering device mainly includes a part conveying device 1, a delivering positioning device 2, a delivering hopper 3, and a driving device 4. The exploded view of the components of fig. 3 and the connection between the above components and each other are further described below with reference to fig. 4-7.

The part conveying device 1 comprises a conveying pipe 11 which is connected with an output channel of a part sorting device, such as a vibrating screen, a sorting machine and the like, and is used for sequentially discharging parts into the conveying pipe 11; the end of the conveying pipe 11 is preferably provided with a part guide 12, which can fix the end of the conveying pipe 11 on one hand and adjust the angle of the part according to the requirement to output the part to the outside on the other hand. Can set up a plurality of fixing bases 13 as required on the conveyer pipe 11, consolidate conveyer pipe 11, fixing base 13 can be fixed to equipment, also can be fixed to other fixed parts.

The delivery positioning device 2 is an auxiliary positioning plate; in a material waiting state, the delivery positioning device 2 is fixed at the forefront and the lowermost end of the single part delivery device for the automatic welding machine. The lower side of the delivery positioning device 2 is planar.

The delivery positioning device 2 and the part guide 12 can be fixed together or fixed on other fixed parts respectively; and partial functional areas can extend and overlap with each other; in the present embodiment, only one combination is provided for convenience of manufacture.

The delivery hopper 3 is located on the lower side of the delivery positioning device 2 and the part guide 12, and can move straight along the lower side. The delivery hopper 3 has a hopper 31 for holding parts, in this embodiment, flange nuts are used as the parts to be delivered.

The driving device 4 is installed at the rear side of the delivery hopper 3 and provides a straight conveying force for the delivery hopper 3; the driving device 4 includes a linear driving element 41, a connecting shaft 42, a connecting pipe 43, a guide holder 44, and a guide member. The linear driving element 41 is a pneumatic cylinder, a hydraulic cylinder, or a linear driving motor, and is provided with a driving rod 411 capable of outputting linearly. The end of the driving rod 411 may be directly connected to the delivery bucket 3, but since the driving rod 411 generally has a small diameter, an installation space is insufficient, and there is a possibility of rotation around an axis, a guide member is required. The end of the driving rod 411 is connected with the connecting shaft 42, and the connecting shaft 42 is slidably mounted in the guide seat 44; a fixed member such as a cylinder of the linear driving element 41 is also fixed to the guide base 44 through the connection pipe 43; meanwhile, the delivery positioning device 2, the part guiding device 12 and the fixing seat 13 may also be fixed on the guiding seat 44, in this embodiment, the outer shell of the guiding seat 44 is an integrated fixed mounting platform, and then the guiding seat 44 may be connected through other components to integrally mount the present invention on an automatic welding machine.

In order to improve the moving smoothness and reliability of the connecting shaft 42 in the guide seat 44, a guide component is arranged between the guide seat 44 and the connecting shaft 42; the guide component comprises a guide seat 44, a sliding shaft sleeve 45 is arranged in the guide seat 44, and the sliding shaft sleeve 45 lubricates the straight movement of the connecting shaft 42; the guide component further includes a sliding block 46, the sliding block 46 is fixed below the part guide device 12 in this embodiment, and may also be fixed in the guide seat 44 as required, the connecting shaft 42 is provided with a guide groove 421, and the sliding block 46 is clamped in the guide groove 421 to prevent the connecting shaft 42 from rotating around a shaft in the process of straight movement.

The important improvement of the utility model is that the delivery bucket 3 is hinged at the end of the connecting shaft 42 through a hinged shaft 32, and an elastic resetting component 33 is arranged between the delivery bucket 3 and the connecting shaft 42. As shown in fig. 6, the elastic restoring member 33 is a torsion spring, the coil thereof is sleeved on the

hinge shaft

32, 1 torsion arm is fixed on the bottom of the delivery hopper 3, the other 1 torsion arm is fixed on the connecting shaft 42, the axis of the connecting shaft 42 is fixed, so the torsion arm of the torsion spring applies force upwards from the lower part of the delivery hopper 3, when the linear driving element 41 is in an extending state, i.e. as shown in fig. 2, 4 and 7, the delivery hopper 3 is driven to pass over the delivery positioning device 2, at this time, no limit is provided above the delivery hopper 3, and the parts in the hopper 31 are overturned upwards under the driving of the elastic restoring member 33, so as to overturn the parts to a designated position for welding and picking up. When the linear driving element 41 retracts, the delivery positioning device 2 presses the delivery hopper 3, at this time, the elastic resetting component 33 stores energy, the delivery hopper 3 returns to the waiting area along with the delivery positioning device 2, namely moves to the position below the part guide device 12, the

empty hopper

31 and 1 new part butted to the part guide device 12 fall into the hopper 31 under the action of gravity, and the waiting preparation is completed.

Further, in order to reduce the installation space, the delivery hopper 3 is also provided with a relief area 34 along the guide groove 421, and the relief area is free from the sliding block 46; the sliding block 46 is correspondingly provided with a part guiding and sliding surface 461, which is engaged with a guiding surface in the part guiding device 12, so that the parts can be accurately slid into the hopper 31.

Further, the end of the delivery positioning device 2 has an arc-shaped avoiding groove 21, which is used for avoiding shielding of a part with an arc-shaped flange, such as a flange nut in the embodiment, during the extending and turning process.

According to the utility model, the elastic reset component 33 is arranged between the delivery hopper 3 and the connecting shaft 42, so that the delivery hopper 3 not only can linearly receive and send the parts under the driving of the linear driving element 41, but also can have an upward overturning action at the tail end, so that the parts are overturned and delivered to a working position more accurately, and the part picking requirement of an upper electrode is met.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the utility model as defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The single part delivery device for the automatic welding machine is characterized by comprising a part conveying device, a delivery positioning device, a delivery hopper and a driving device;

2. The single part delivery apparatus for an automatic welding machine as claimed in claim 1, wherein the underside of said delivery positioning means and said part transfer means is a smooth flat surface.

3. The single part delivery apparatus for an automatic welding machine according to claim 1, wherein said driving means comprises a linear driving element, a connecting shaft, a connecting pipe, a guide holder, and a guide member;

the tail end of the connecting shaft is hinged with the delivery hopper;

4. The single part delivery apparatus for automatic welding machines of claim 3 wherein said guide means comprises a sliding sleeve disposed within said guide housing;

5. The single part delivery apparatus for automatic welding machines according to claim 3, wherein said guide member comprises a slide block fixed to said guide seat;

6. The single part delivery apparatus for an automatic welding machine according to claim 5, wherein the delivery hopper is provided with a relief area along the guide groove, and the front end of the slider can enter the hopper of the delivery hopper through the relief area.

7. The single part delivery apparatus for an automatic welding machine as claimed in claim 5, wherein said slider has a part guide surface at a front end thereof, said part guide surface being engaged with a part slide-down guide surface in said part guide means.

8. The single part delivery apparatus for an automatic welding machine as claimed in claim 1, wherein an end of said delivery positioning means has an escape groove.