WO2020024164A1 - Calibration piece, calibration assembly and calibration system for automatic welding apparatus - Google Patents

Abstract

A calibration piece (100), a calibration assembly, and a calibration system for an automatic welding apparatus, the calibration part (100) comprising a fixing portion (110), a main body portion (120), and a calibration portion (130); a surface of the fixing portion (110) is provided with a fixing structure (111), the main body portion (120) extends along an end of the fixing portion (110), and the calibration portion (130) extends along an end of the main body portion (120) that is far from the fixing portion (110), wherein the calibration portion (130) comprises a tip (131), and the calibration piece (100) performs location calibration by means of the tip (131).

Description

Calibration piece, calibration component and calibration system of automatic welding device Ranch

[Technical Field]

The present application relates to the technical field of automatic welding, and in particular, to a calibration piece, a calibration component, and a calibration system of an automatic welding device.

 【Background technique】

In modern industrial production, it is usually necessary to use welding and other technologies to join different components together. Nowadays, with the industrial upgrade, more and more joining technologies such as automatic welding are being used in production. When performing automatic welding and other joining operations on different components, in order to ensure that the joining accuracy of the joining parts of different components meets the requirements, it is usually required The welding coordinate system of the welding device is calibrated, and automatic and precise welding is achieved by calibrating the coordinates of the welding position of the welding head.

However, when the existing automatic welding device is used to calibrate the welding coordinates of the welding head, it is usually calibrated by using the end of the wire protruding from the welding head as a reference. Due to the gap between the wire and the welding head, the calibration During the process, the end of the tin wire will shake, which will lead to inaccurate welding coordinate calibration, which will cause the existing automatic welding equipment to have low welding accuracy.

 [Summary of the Invention]

The application provides a calibration piece, a calibration component, and a calibration system for an automatic welding device, so as to solve the position calibration of the welding position through the end of the tin wire in the prior art. Some automatic welding equipment has low welding accuracy.

In order to solve the above technical problem, a technical solution adopted in the present application is to provide a calibration component of an automatic welding device. The calibration part includes: a fixing part including a fixing structure for fixedly connecting the calibration part to the welding device; a main body part extending along one end of the fixing part; a calibration part extending along an end of the main body part away from the fixing part; the calibration part being far from the main body One end of the part is the tip, and the calibration piece performs position calibration through the tip.

In order to solve the above technical problem, another technical solution adopted in the present application is to provide a calibration component of an automatic welding device. The calibration assembly includes: a calibration member and a protective sleeve, wherein the calibration member includes: a fixing portion, a main body portion, and a calibration portion, wherein the fixing portion includes a fixing structure for fixedly connecting the calibration piece with the welding device; the main body portion extends along one end of the fixing portion; The calibration part extends along the end of the main body part away from the fixed part. The end of the calibration part far from the main body part is a tip. The calibration piece is used for position calibration through the tip. Calibration department.

In order to solve the above technical problem, another technical solution adopted in the present application is to provide a calibration system of an automatic welding device. The calibration system includes a welding device, and the welding device includes a welding head mounting portion for mounting the welding head for welding operations; a calibration piece that is fixedly connected to the welding head mounting portion to position the welding position of the welding head, wherein the calibration piece includes any of the foregoing Item calibration items.

The beneficial effect of this application is that, different from the situation of the prior art, this application uses a calibration piece installed on the welding head mounting portion, and uses the tip of the calibration piece as a calibration point to calibrate the coordinates of the welding position of the welding head, thereby improving the calibration. The coordinate position accuracy of the welding position of the welding head improves the welding accuracy.

 [Brief Description of the Drawings]

In order to explain the technical solutions in the embodiments of the present invention more clearly, the drawings used in the description of the embodiments are briefly introduced below. Obviously, the drawings in the following description are just some implementations of the present invention. For example, for those of ordinary skill in the art, other drawings can be obtained according to these drawings without paying creative labor, of which:

FIG. 1 is a schematic structural diagram of an implementation example of a calibration component provided in the present application; FIG.

FIG. 2 is a schematic structural view of a front view of a calibration member shown in FIG. 1; FIG.

3 is a schematic structural view of a cross-sectional view of the calibration member shown in FIG. 2 at the A-A 'section;

4 is a schematic structural diagram of another embodiment of a calibration component provided in the present application;

5 is a schematic structural view of a front view of a calibration member shown in FIG. 4;

6 is a schematic structural diagram of an embodiment of a calibration component provided in the present application;

FIG. 7 is a schematic structural diagram of an embodiment of a calibration system for an automatic welding device provided by the present application.

【detailed description】

In order to make the technical problems solved, the technical solutions adopted, and the technical effects achieved in this application clearer, the technical solutions in the embodiments of the present application will be further described in detail below with reference to the accompanying drawings.

The terms “first”, “second”, and the like in this application are used to distinguish different objects, and are not used to describe a specific order. Furthermore, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusion. For example, a process, method, system, product, or device containing a series of steps or units is not limited to the listed steps or units, but optionally also includes steps or units that are not listed, or optionally also includes Other steps or units inherent to these processes, methods, products or equipment.

Reference to "an embodiment" herein means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the present application. The appearances of this phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are they independent or alternative embodiments that are mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

1 to 3, FIG. 1 is a schematic structural diagram of an implementation example of a calibration component provided in the present application, FIG. 2 is a structural schematic view of a front view of the calibration component shown in FIG. 1, and FIG. 3 is a schematic view of the calibration component shown in FIG. A schematic structural view of a cross-sectional view of the AA ′ cross section. The calibration part 100 includes a fixing part 110, a main body part 120, and a calibration part 130. A surface of the fixing part 110 is provided with a fixing structure 111. The fixing structure 111 is used to fix the entire calibration part 100 to a welding device. The main body part 120 follows the fixing part. One end of 110 extends, and the calibration portion 130 extends along the end of the main body portion 120 away from the fixed portion 110. The calibration portion 130 includes a tip 131, which is located on the end of the calibration portion 130 away from the main body portion 120. The tip 131 can be used as a calibration Point, the calibration member 100 performs position calibration through the tip 131.

Therefore, in this embodiment, since the calibration member 100 is firmly fixed to the welding device through the fixing structure 111, it is difficult to shake, and the tip 131 on the calibration portion 130 is used as a calibration point to determine the coordinates of the welding position of the welding device, which can improve the The coordinate position accuracy of the obtained welding position is calibrated, thereby further improving the welding accuracy.

In this embodiment, the calibration member 100 is fixed to the welding device to perform coordinate calibration on the welding position of the welding device. Specifically, the calibration member 100 is fixed to the corresponding welding device through a fixing structure 111 on the surface of the fixing part 110, wherein the fixing structure 111 may be a first thread, and a corresponding second thread may be provided on the corresponding welding device. The first thread and the second thread are matched with each other to fix the calibration member 100 to the welding device. In other embodiments, the fixing structure 111 may also be other fixing structures. For example, the fixing structure 111 is a buckle structure that matches the welding device, and the calibration piece 100 and the welding device are fixed and connected by a snap fit; or the welding device is provided with a clip The claw and the fixing structure 111 is a clamping surface matching the clamping claw, and the fixing structure 111 is clamped by the clamping claw to fix the calibration member 100 to the welding device.

In this embodiment, in order to ensure the calibration accuracy of the calibration piece 100, it is necessary to ensure that the calibration piece 100 is a rigid material, so that the calibration piece 100 will not be bent and deformed during the calibration process. Therefore, the calibration piece 100 may be a metal member, such as The calibration piece 100 can be made of aluminum alloy. The advantage is that the calibration piece 100 made of aluminum alloy has good workability, cheap price, easy processing, good wear resistance, corrosion resistance, oxidation resistance, and can be used repeatedly. In other embodiments, the calibration member 100 may also be a non-metallic member made of a non-metallic rigid material, and the material of the calibration member 100 is not limited herein.

In this embodiment, for the convenience of processing, the calibration portion 130 may be a cone extending in a direction in which the main body portion 120 is away from the fixing portion 110, and the tip 131 is a top end of the cone. A receiving hole 140 extending from the fixing portion 110 to the main body portion 120 may be provided from one end of the fixing portion 110. The diameter of the receiving hole 140 may be slightly larger than the diameter of the welding wire. The function of the receiving hole 140 is to receive the welding wire. That is, when the calibration member 100 is installed on the welding device, the welding wire protruding from the welding device enters the accommodation hole 140, and the welding wire is received through the accommodation hole 140 to prevent the welding wire from being bent or broken. The welding wire may be a tin wire or other wire-shaped flux for welding, which is not limited herein. At the same time, the accommodation hole 140 may be provided at the center of the calibration member 100. In this embodiment, the calibration member 100 is provided in the shape of a round rod. The center line of the accommodation hole 140 may coincide with the axis of the calibration member 100, and the tip 131 may be located on an extension of the center line of the accommodation hole 140.

Further, in this embodiment, in order to facilitate the mounting of the entire calibration piece 100 to the welding device, a clamping fitting portion 121 may also be provided on the main body portion 120 of the calibration piece 100, and the clamping fitting portion 121 may be any easy to clamp Structure. Specifically, the clamping and mating portion 121 may have a clamping surface, and the clamping surface includes at least two relatively parallel planes. Please further refer to FIGS. 1-3, wherein a cross-section of the clamping and fitting portion 121 in a direction perpendicular to the axis of the calibration member 100 may be a regular polygon. In this embodiment, the cross-section of the clamping and mating portion 121 in a direction perpendicular to the axis of the calibration member 100 is square. The corners of the clamping and mating portion 121 need to be rounded to prevent injuries. In other embodiments, the cross-section of the clamping and fitting portion 121 in a direction perpendicular to the axis of the calibration member 100 may be other polygons, which is not limited herein.

In this embodiment, in a direction perpendicular to the axis of the calibration member 100, the cross-sectional size of the clamping and mating portion 121 is larger than the cross-sectional dimensions of the other portions of the main body portion 120; The grooves provided on the opposite sides of the main body portion, that is, in the direction perpendicular to the axis of the calibration member, the cross-sectional size of the clamping and fitting portion is smaller than the cross-sectional size of the other portions of the main body portion.

Please refer to FIG. 4 and FIG. 5, FIG. 4 is a schematic structural diagram of another embodiment of a calibration member provided in the present application, and FIG. 5 is a schematic structural diagram of a front view of the calibration member shown in FIG. 4. Wherein, the calibration member 200 has the same structure as the calibration member 100 described in the foregoing embodiment, and the difference is that the clamping and fitting portions 221 of the calibration member 200 are grooves provided on opposite sides of the main body portion 220, that is, perpendicular to the calibration member In the axial direction of 200, a cross-sectional size of the clamping and fitting portion 221 is smaller than a cross-sectional size of other portions of the main body portion 220. Wherein, the clamping and fitting portion 221 may be subjected to groove milling processing on opposite sides of the main body portion 220 so that the clamping and fitting portion 221 has two clamping surfaces disposed in parallel.

The calibration parts provided in this application perform position calibration through the tip of the calibration part. Therefore, in order to ensure the accuracy of the calibration part, it is necessary to ensure that the tip of the calibration part is not damaged. Therefore, a protective structure may be provided to protect the tip of the calibration part .

This application also provides a calibration component. Please refer to FIG. 6, which is a schematic structural diagram of an embodiment of a calibration component provided in this application. The calibration assembly 30 includes a calibration piece 300 and a protective sleeve 400 The calibration member 300 may be the calibration member described in any one of the foregoing embodiments. The difference is that the end of the main body portion 320 of the calibration member 300 near the calibration portion 330 is provided with a protective sleeve mounting portion 322. The protective sleeve mounting portion 322 is used for Matches the protective cover 400 to fix the protective cover 400. The surface of the protective cover mounting portion 322 may also be provided with a thread, and the protective cover 400 may be provided with a matching thread, so that the protective cover 400 is partially sleeved on the protective cover mounting portion 322 to protect the tip 331 of the calibration portion 330.

When the calibration piece 300 is required for the calibration operation, remove the protective sleeve 400 so that the tip 331 of the calibration portion 330 leaks out, and then perform calibration through the tip 331. When the calibration operation is not required, the protective sleeve 400 can be set on the protective sleeve. The mounting portion 322 is used to protect the calibration portion 330 and its tip 331.

Different from the prior art, the present application also provides a calibration system for an automatic welding device. Please refer to FIG. 7, which is a schematic structural diagram of an embodiment of a calibration system for an automatic welding device provided by the present application. The calibration system 500 includes a welding device 510 and a calibration piece 520. The welding device 510 includes a welding head mounting portion 511. The welding head mounting portion 511 can be used to install a welding head for welding operations, and the welding head mounting portion 511 can also be used. The calibration piece 520 is fixedly installed, and the coordinates of the welding position are calibrated by the calibration piece 520. The calibration piece 520 may include the calibration piece described in any of the foregoing embodiments, and details are not described herein. The calibration process of the calibration system 500 is specifically: fixedly mounting the calibration piece 520 on the welding head mounting portion 511, and then performing coordinate position calibration on the welding position through the calibration piece 520; when the coordinate position calibration of the welding position is completed, the calibration piece is 520 is removed from the welding head mounting portion 511, and the welding head is mounted on the welding head mounting portion 511 for fixing the calibration piece 520, and then automatic welding is performed according to the marked welding position by an automatic welding device.

In this embodiment, the welding head mounting portion 511 may be provided with a second thread, and the calibration piece 520 may be provided with a first thread matching the second thread. Further, the welding head may also be provided with the same first thread as the calibration piece 520 That is, the calibrating member 520 and the welding head can be detachably connected to the same position of the welding head mounting portion 511. In this embodiment, the welding head mounting portion 511 is a part for setting a welding head on the welding device. The welding device can be fixedly connected to a robot, and the welding head fixed to the welding device is driven by the robot to perform automatic welding. Among them, the robot can obtain the welding position coordinates calibrated by the calibration piece 520, thereby driving the welding device to weld the product on the welding position coordinates.

In summary, the present application provides a calibration piece, a calibration assembly, and a calibration system for an automatic welding device. Since the calibration piece is firmly fixed to the welding device through a fixed structure, it is not easy to shake, and automatic welding is performed through the tip of the calibration piece Coordinate calibration of the welding position of the device can make the coordinate precision of the welding position obtained by the calibration higher, thereby improving the welding accuracy of the automatic welding device.

The above are only examples of the present application, and thus do not limit the patent scope of the present application. Any equivalent structure or equivalent process transformation made using the contents of the description and drawings of the application, or directly or indirectly applied to other related technologies The fields are equally included in the patent protection scope of this application.

Claims (22)

1. A calibration piece for an automatic welding device, characterized in that the calibration piece includes:

   A fixing part including a fixing structure for fixedly connecting the calibration piece with a welding device;

   A main body portion extending along one end of the fixed portion;

   A calibration portion extends along an end of the main body portion away from the fixed portion, an end of the calibration portion remote from the main body portion is a tip, and the calibration member performs position calibration through the tip.
2. The calibrating member according to claim 1, wherein the calibrating member has a receiving hole extending along the fixing portion toward the main body portion, and an end point of the tip is located on a center line of the receiving hole. Extension line.
3. The calibrating element according to claim 1, wherein the calibrating portion is a cone extending along a direction away from the fixing portion of the main body portion.
4. The calibration member according to claim 1, wherein the main body portion includes at least one clamping and mating portion, and the clamping and mating portion is disposed on a side of the main body portion close to the fixing portion and is used for mounting. A tool cooperates to fix the calibration piece to the welding device.
5. The calibration member according to claim 4, wherein the clamping and fitting portion has a clamping surface, and the clamping surface includes at least two relatively parallel planes.
6. The calibration member according to claim 4, wherein a cross-section of the clamping and fitting portion in a direction perpendicular to an axis of the calibration member is a regular polygon.
7. The calibrating member according to claim 4, wherein the clamping and fitting portions are grooves provided on opposite sides of the main body portion.
8. A calibration component of an automatic welding device includes:

   Calibration parts, including:

    A fixing part including a fixing structure for fixedly connecting the calibration piece with a welding device;

   A main body portion extending along one end of the fixed portion;

   A calibration portion extending along an end of the main body portion remote from the fixed portion, an end of the calibration portion remote from the main body portion being a tip, and the calibration member performing position calibration through the tip;

   A protective sleeve is sleeved on the main body portion, and the protective sleeve is detachably connected to the calibration member for protecting the calibration portion.
9. The calibrating element according to claim 8, wherein the calibrating element has a receiving hole extending along the fixing portion toward the main body portion, and an end point of the tip is located on a center line of the receiving hole. Extension line.
10. The calibrating member according to claim 8, wherein the calibrating portion is a cone extending along the main body portion away from the fixing portion.
11. The calibrating element according to claim 8, wherein the main body portion includes at least one clamping and mating portion, and the clamping and mating portion is disposed on a side of the main body portion close to the fixing portion and is used for mounting. A tool cooperates to fix the calibration piece to the welding device.
12. The calibration member according to claim 11, wherein the clamping and fitting portion has a clamping surface, and the clamping surface includes at least two relatively parallel planes.
13. The calibration member according to claim 11, wherein a cross-section of the clamping and fitting portion in a direction perpendicular to an axis of the calibration member is a regular polygon.
14.  The calibrating member according to claim 11, wherein the clamping and engaging portions are grooves provided on opposite sides of the main body portion.
15. A calibration system for an automatic welding device includes:

    A welding device, including a welding head mounting portion for mounting the welding head to perform a welding operation;

    A calibration piece fixedly connected to the welding head mounting portion to position the welding position of the welding head,

    The calibration parts include:

    A fixing part including a fixing structure for fixedly connecting the calibration piece and the welding head mounting part;

    A main body portion extending along one end of the fixed portion;

    A calibration portion extends along an end of the main body portion away from the fixed portion, an end of the calibration portion remote from the main body portion is a tip, and the calibration member performs position calibration through the tip.
16. The calibration system according to claim 15, wherein:

    The calibration member has an accommodation hole extending along the fixing portion toward the main body portion, and an end point of the tip is located on an extension line of a center line of the accommodation hole;

    The receiving hole is used for receiving a welding wire protruding from the welding head mounting portion.
17. The calibration system according to claim 15, wherein the calibration portion is a cone extending along the main body portion away from the fixed portion.
18. The calibration system according to claim 15, wherein the main body portion includes at least one clamping and mating portion, and the clamping and mating portion has a clamping surface for cooperating with an installation tool to fix the positioning device to Preset position.
19. The calibration system according to claim 18, wherein:

    The main body portion includes at least one clamping and mating portion, and the clamping and mating portion is disposed on a side of the main body portion near the fixing portion and is used to cooperate with an installation tool to connect the calibration member and the welding device. fixed.
20. The calibration system according to claim 18, wherein a cross-section of the clamping and fitting portion in a direction perpendicular to an axis of the calibration member is a regular polygon.
21. The calibration system according to claim 18, wherein the clamping and fitting portions are grooves provided on opposite sides of the main body portion.
22. The calibration system according to any one of claims 15-21, wherein:

    The welding head mounting portion is used to install the welding head or the calibration piece;

    When performing position calibration, the welding head mounting portion is used to install the calibration component;

    When performing a welding operation, the welding head mounting portion is used to mount the welding head.