CN216462773U

CN216462773U - Automatic assembling and spot welding equipment for watch body

Info

Publication number: CN216462773U
Application number: CN202123131202.4U
Authority: CN
Inventors: 邹英平; 戚清; 李健源
Original assignee: WEIHAI PLOUMETER CO Ltd; Shandong Institute of Metrology
Current assignee: WEIHAI PLOUMETER CO Ltd; Shandong Institute of Metrology
Priority date: 2021-12-14
Filing date: 2021-12-14
Publication date: 2022-05-10
Anticipated expiration: 2031-12-14

Abstract

The utility model relates to a meter body automatic assembly spot welding equipment, which solves the technical problems of large labor intensity, high production cost, low assembly spot welding quality and low working efficiency of the existing meter body pipe and flange welding process, and comprises an assembly workbench, a pneumatic three-jaw chuck, a manipulator, a welding gun, a fixed frame and a six-axis robot, wherein the pneumatic three-jaw chuck is connected with the assembly workbench, the fixed frame is fixedly connected with the tail end of the arm of the six-axis robot, the manipulator is connected with the fixed frame, and the welding gun is connected with the fixed frame; the manipulator comprises a cylinder body, two clamping jaws and two tail end plates, wherein the two clamping jaws are connected with the cylinder body, the inner sides of the clamping jaws are provided with V-shaped grooves, the two V-shaped grooves are symmetrically arranged, the tail end plates are fixedly connected with the clamping jaws, and the outer surfaces of the tail end plates are cambered surfaces; the cylinder body is fixedly connected with the fixing frame. The utility model discloses extensively be used for calorimeter and water gauge manufacturing technical field.

Description

Automatic assembling and spot welding equipment for watch body

Technical Field

The utility model relates to an automatic welding equipment particularly, relates to a table body automatic assembly spot welding equipment.

Background

In the technical field of heat meter and water meter production and manufacture, a large-caliber heat meter and a large-caliber water meter are generally realized by assembling and welding a flange and a meter body pipe, because some parts need to be welded on the meter body pipe, the meter body pipe is changed into an ellipse in the welding process, the current process is to enlarge a flange hole, place the meter body pipe into the flange, because the gap is large, an iron sheet needs to be added between the outer wall of the meter body pipe and the inner hole wall of the flange to reduce the gap, and because the flange holes on two sides need to be aligned, in order to meet the requirement, the hole position needs to be ensured to be accurate by four lead screws and nuts, and the distance between the end surfaces of the two flanges reaches the pattern requirement by continuous measurement and adjustment, an auxiliary tool is also needed to ensure the parallelism of the two flanges, in order to ensure the perpendicularity between the meter body pipe and the flanges, the cut meter body pipe needs to be placed on a lathe for processing, after spot welding is completed, the nuts on the four lead screws need to be unscrewed to take out the workpiece, the working efficiency is low, the labor intensity is high, the production cost is high, and the quality of the assembled spot welding cannot be well ensured.

Disclosure of Invention

The utility model discloses it is big exactly to solve current table body pipe and flange welding process intensity of labour, and manufacturing cost is high, and equipment spot welding quality is low, and technical problem that work efficiency is low provides a work efficiency height, low in production cost, and the table body automatic assembly spot welding equipment that equipment spot welding quality is high.

The utility model provides a meter body automatic assembly spot welding device, which comprises an assembly workbench, a pneumatic three-jaw chuck, a manipulator, a welding gun, a fixed frame and six robots, wherein the pneumatic three-jaw chuck is connected with the assembly workbench, the fixed frame is fixedly connected with the tail ends of the robot arms of the six robots, the manipulator is connected with the fixed frame, and the welding gun is connected with the fixed frame; the manipulator comprises a cylinder body, two clamping jaws and two tail end plates, wherein the two clamping jaws are connected with the cylinder body, the inner sides of the clamping jaws are provided with V-shaped grooves, the two V-shaped grooves are symmetrically arranged, the tail end plates are fixedly connected with the clamping jaws, and the outer surfaces of the tail end plates are cambered surfaces; the cylinder body is fixedly connected with the fixed frame.

Preferably, the end plate is fixedly connected to the clamping jaw by means of screws.

The beneficial effects of the utility model are that, the utility model discloses an adopt the robot directly to install the flange one and fix the position in the air chuck and press from both sides tightly, pack into the flange mouth with the table body pipe again in, carry out spot welding because the central line of air-actuated three-jaw chuck and two clamping jaw central lines of manipulator coincide, consequently can guarantee that table body pipe and flange one hang down straightness, can direct practicality after the cutting of table body pipe both ends.

After welding a flange, the second flange is installed in the pneumatic three-jaw chuck and positioned and clamped by the manipulator, the meter body assembly is installed in the flange port after the first spot welding, spot welding is carried out, the perpendicularity of the meter body tube and the second flange can be guaranteed in the same way, and the parallelism of the flange and the sizes of two end faces of the flange are better guaranteed because the flange sealing face is used as a reference.

The assembly does not need artificial participation, thereby greatly reducing the production cost, improving the production efficiency and assembling the spot-welded product quality. In addition, the safety is improved, and personal injury is avoided.

Drawings

FIG. 1 is a schematic structural view of an automatic assembling spot welding apparatus for a watch body;

FIG. 2 is a schematic view of the robot;

FIG. 3 is a schematic view of a robot;

fig. 4 is a schematic view of a state in which the robot grips the gauge tube;

FIG. 5 is a schematic view of a robot grasping flange of the automatic spot welding device for watch body assembly;

FIG. 6 is a schematic view of a pneumatic three-jaw chuck positioning and clamping flange;

FIG. 7 is a schematic view of a to-be-processed watch body tube grabbed by a manipulator of the automatic watch body assembling spot welding equipment;

FIG. 8 is a schematic view of the mounting of the watch body tube to the flange in an inner bore position, first spot weld;

FIG. 9 is a schematic view of a robot grasping a first spot weld to complete a watch body assembly of the automatic watch body assembly spot welding device;

FIG. 10 is a schematic view of the first spot weld completed watch body assembly being placed on the assembly table alignment plate;

FIG. 11 is a schematic view of a robot grabbing flange II of the automatic spot welding equipment for assembling the watch body;

FIG. 12 is a schematic view of a pneumatic three-jaw chuck positioning and clamping flange II;

FIG. 13 is a schematic view of a robot grasping a first spot weld to complete a watch body assembly of the automatic watch body assembly spot welding apparatus;

FIG. 14 is a schematic view of a first spot weld to complete the positioning of the watch body assembly in the second bore of the flange and a second spot weld.

Symbolic illustration in the drawings:

1. assembling a workbench, 2, a pneumatic three-jaw chuck, 3, a manipulator, 3-1, a cylinder body, 3-2, a clamping jaw and 3-2-1, a V-shaped groove; 3-3, a tail end plate, and 3-3-1, an arc surface; 4. the welding gun comprises a welding gun body, 5 parts of a fixing frame, 6 parts of a six-axis robot, 7 parts of a first flange, 8 parts of a meter pipe, 9 parts of a second flange, 11 parts of a meter pipe and 12 parts of a flange.

Detailed Description

The present invention will be described in further detail with reference to the following detailed description of the preferred embodiments with reference to the accompanying drawings.

As shown in fig. 1, the automatic spot welding equipment for assembling a watch body comprises an assembling workbench 1, a pneumatic three-jaw chuck 2, a manipulator 3, a welding gun 4, a fixing frame 5 and a six-axis robot 6, wherein the pneumatic three-jaw chuck 2 is fixedly installed on the assembling workbench 1, the fixing frame 5 is fixedly connected with the tail end of a robot arm of the six-axis robot 6, the manipulator 3 is connected with the fixing frame 5, and the welding gun 4 is fixedly installed on the fixing frame 5.

As shown in fig. 2, 3 and 4, the manipulator 3 is an improvement on the finger cylinder products sold in the market at present, the manipulator 3 comprises a cylinder 3-1 and two clamping jaws 3-2, the two clamping jaws 3-2 are parallel, and the connection relationship between the two clamping jaws 3-2 and the cylinder 3-1 is the prior art and is not described in detail. The inner side of the clamping jaw 3-2 is provided with a V-shaped groove 3-2-1, and the two V-shaped grooves are symmetrically arranged; and two end plates 3-3 are arranged, the end plates 3-3 are fixedly connected with the clamping jaws 3-2 through screws, and the outer surfaces of the end plates 3-3 are cambered surfaces 3-3-1. When the flange grabbing device is used, as shown in figure 3, the flange 12 is positioned and grabbed, the two clamping jaws 3-2 are outwards opened, and the cambered surfaces 3-3-1 of the tail end plates 3-3 move outwards to prop against the inner hole of the flange 12 so as to grab the flange 12. After the flange is placed at a designated position, the meter body tube 11 is clamped by the two clamping jaws 3-2, as shown in figure 4, the meter body tube 11 is locked by the two V-shaped grooves 3-2-1 along the radial direction of the meter body tube 11, the oval meter body tube is extruded into a round shape, the round meter body tube is placed into an inner hole of the flange 5, finally the two clamping jaws 2 are loosened and removed, the meter body tube is automatically tensioned, the outer wall of the meter body tube is tightly attached to the inner hole of the flange, the inner surface of the flange is not scratched to the outer surface of the meter body tube, and the assembling quality is improved. Therefore, the assembly process is quick, the efficiency is high, the safety is high, and personal injury is avoided. The cylinder body 3-1 is fixedly arranged on the fixed frame 5.

The working process of the automatic assembling spot welding equipment for the watch body is described as follows:

the six-axis robot 6 moves to drive the manipulator 3 to move to the position of the flange to be grabbed, and the manipulator 3 grabs the first flange 7, as shown in fig. 5; the flange one 7 is placed in the pneumatic three-jaw chuck 2, and the jaws on the pneumatic three-jaw chuck 2 automatically position and clamp the flange one 7 as shown in fig. 6.

As shown in fig. 7, the six-axis robot 6 moves to drive the manipulator 3 to move to the position of the meter pipe to be processed, the manipulator 3 picks the meter pipe 8, and the meter pipe 8 is placed into the inner hole of the first flange 7 along the vertical direction, as shown in fig. 8. Then, the manipulator is loosened, the six-axis robot rotates, the welding gun 4 is aligned to the position between the outer wall of the meter body pipe 8 and the inner hole of the first flange 7 to carry out first spot welding, and the meter body pipe 8 and the first flange 7 are welded together.

After the first spot welding is completed, the hand of the six-axis robot 6 grips the watch body assembly subjected to the first spot welding, as shown in fig. 9, and next, the six-axis robot places the watch body assembly subjected to the first spot welding on the positioning plate of the assembly table 1, as shown in fig. 10.

Next, the six-axis robot drives the manipulator to grab the second flange 9, as shown in fig. 11; the second flange 9 is placed in the pneumatic three-jaw chuck 2, and the jaws on the pneumatic three-jaw chuck 2 are automatically positioned and clamped with the second flange, as shown in fig. 12.

Next, the six-axis robot drives the manipulator to grab the first spot welding to complete the meter body assembly, as shown in fig. 13, and locks the meter body tube at the clamping part of the meter body into the second inner hole of the flange (i.e., the other end of the meter body, which is not welded with the flange, is placed into the second inner hole of the flange), as shown in fig. 14. And loosening the manipulator, rotating the mechanical arm of the robot, and aligning the welding gun 4 to the position between the outer wall of the meter body pipe 8 and the inner hole of the second flange 9 for second spot welding. And after spot welding is completed, the robot puts the assembled spot-welded finished products on the tray in order.

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 present invention, as various modifications and variations will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the scope defined by the claims of the present invention shall be within the protection scope of the present invention.

Claims

1. The spot welding equipment for automatically assembling the meter body is characterized by comprising an assembling workbench, a pneumatic three-jaw chuck, a manipulator, a welding gun, a fixed frame and a six-axis robot, wherein the pneumatic three-jaw chuck is connected with the assembling workbench, the fixed frame is fixedly connected with the tail end of a robot arm of the six-axis robot, the manipulator is connected with the fixed frame, and the welding gun is connected with the fixed frame; the manipulator comprises a cylinder body, two clamping jaws and two end plates, wherein the two clamping jaws are connected with the cylinder body, the inner sides of the clamping jaws are provided with V-shaped grooves, the two V-shaped grooves are symmetrically arranged, the end plates are fixedly connected with the clamping jaws, and the outer surfaces of the end plates are cambered surfaces; the cylinder body is fixedly connected with the fixing frame.

2. Watch body automatic assembly spot welding device according to claim 1, characterised in that the tip plate is fixedly connected with the jaws by means of screws.