CN211489999U

CN211489999U - Welding device for machining fan impeller

Info

Publication number: CN211489999U
Application number: CN201921924267.4U
Authority: CN
Inventors: 沈余良
Original assignee: Shanghai De Hui Specific Fan Co ltd
Current assignee: Shanghai De Hui Specific Fan Co ltd
Priority date: 2019-11-05
Filing date: 2019-11-05
Publication date: 2020-09-15
Anticipated expiration: 2029-11-05

Abstract

The utility model relates to a welding set is used in fan wheel processing, including robotic arm, robotic arm includes base, first swinging boom, second swinging boom, third swinging boom and installing support, rotate on the base and be connected with the first swinging boom, the first swinging boom is connected rotate on the opposite end of base and be connected with the second swinging boom, the second swinging boom is connected rotate on the opposite end of first swinging boom and be connected with the third swinging boom, be connected with the installing support on the third swinging boom, the installing support is used for installing welding tool; the first rotating arm rotates around a first axis, the second rotating arm rotates around a second axis, the third rotating arm rotates around a third axis, the first axis is parallel to the second axis, the third axis is perpendicular to the first axis and the second axis respectively, and by adopting the structure, the requirements of different movements are effectively increased.

Description

Welding device for machining fan impeller

Technical Field

The utility model relates to a fan technical field especially relates to a welding set is used in fan wheel processing.

Background

The impeller blades are core components of the impeller, the shape, the size and the angle of the impeller blades are all related to important parameters of the impeller, and the welding position and the angle of the impeller blades directly influence the service performance of the impeller during the machining process.

Patent No. CN201810951897.4 entitled invention patent for impeller welding equipment discloses a workbench for fixing an impeller and a welding mechanism for welding the impeller fixed on the workbench. The welding mechanism comprises a welding tool, a mechanical arm and a walking frame, wherein the mechanical arm is used for fixing the welding tool, the welding tool is fixed at one end of the mechanical arm, the other end of the mechanical arm is slidably mounted on the walking frame, and the mechanical arm moves along the length direction of the walking frame through a driving device. During welding, the impeller is locked on the workbench, and the mechanical arm drives the welding tool to move to the welding position of the impeller so as to weld the impeller.

Therefore, the mechanical arm needs to drive the welding tool to move to a position opposite to the impeller to weld each welding position of the impeller, and therefore the mechanical arm needs to meet different moving requirements, including driving the welding tool to rotate, linearly move and the like.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a welding set is used in fan wheel processing, including robotic arm, robotic arm includes base, first swinging boom, second swinging boom, third swinging boom and installing support, rotate on the base and be connected with the first swinging boom, rotate on the opposite end that the first swinging boom connects the base and be connected with the second swinging boom, rotate on the opposite end that the second swinging boom connects the first swinging boom and be connected with the third swinging boom, be connected with the installing support on the third swinging boom, the installing support is used for installing welding tool;

the first rotating arm rotates around a first axis, the second rotating arm rotates around a second axis, the third rotating arm rotates around a third axis, the first axis is parallel to the second axis, and the third axis is perpendicular to the first axis and the second axis respectively.

Optionally, the robot arm further includes a telescopic arm, the telescopic arm is telescopic along the first axial direction, and the telescopic arm is connected between the second rotating arm and the third rotating arm.

Optionally, the telescopic arm comprises a telescopic rod body and a cylinder, the cylinder is embedded inside the second rotating arm, an output shaft of the cylinder is parallel to the direction of the first axis, and an output shaft of the cylinder is in transmission connection with the telescopic rod body.

Optionally, a guide groove is formed in the second rotating arm, and the telescopic rod body is located in the guide groove.

Optionally, the mounting bracket includes a socket for receiving the welding tool, and the socket axis is perpendicular to the third axis.

Optionally, a horizontal height of the first rotating arm to the base connection end is lower than a horizontal height of the first rotating arm to the second rotating arm connection end.

Optionally, the mechanical arm further includes a first power mechanism, the first power mechanism includes a first motor and a gear assembly, the gear assembly includes a driving wheel and a driven wheel, the driving wheel is engaged with the driven wheel, the first motor is disposed on the base, an output shaft of the first motor is connected to the driving wheel, the first rotating arm is connected to an end face of the driven wheel, and an axis of the driven wheel is located in the first axis direction.

Optionally, the gear assembly is recessed within the base.

Optionally, the mechanical arm further includes a second power mechanism, the second power mechanism includes a second motor, an axis of an output shaft of the second motor is located in the direction of the second axis, the second motor is embedded inside the first rotating arm, and an output shaft of the second motor penetrates through the first rotating arm and is in transmission connection with the second rotating arm.

Optionally, the mechanical arm further comprises a third power mechanism, the third power mechanism comprises a third motor, an output shaft of the third motor is located in the direction of a third axis, the third motor is installed on the telescopic rod body, and the output shaft of the third motor penetrates through the telescopic rod body to be in transmission connection with the third rotating arm.

The embodiment of the utility model provides a technical scheme can include following beneficial effect:

the embodiment of the utility model provides a welding set is used in fan wheel processing installs behind the installing support when welding tool, can rotate round the primary shaft along with first swinging boom, can rotate round the secondary shaft along with the second swinging boom, can also rotate round the triaxial direction along with the third swinging boom along with the second swinging boom, through adopting above-mentioned structure, has effectively increased the demand of different removals.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention as claimed.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.

Fig. 1 is a schematic structural view of a welding device for machining a fan impeller provided in an embodiment of the present invention;

FIG. 2 is a perspective view of a welding device for machining a fan impeller shown in FIG. 1;

fig. 3 is a schematic structural diagram of a gear assembly of the welding device for machining the fan impeller shown in fig. 1.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the invention, as detailed in the appended claims.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which the invention belongs. The use of the terms "a" or "an" and the like in the description and in the claims does not denote a limitation of quantity, but rather denote the presence of at least one. The word "comprising" or "comprises", and the like, means that the element or item listed as preceding "comprising" or "includes" covers the element or item listed as following "comprising" or "includes" and its equivalents, and does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. As used in the specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

Fig. 1 is a structural schematic diagram of a welding device for machining a fan impeller provided by an embodiment of the present invention. As shown in fig. 1, a welding device for machining a fan impeller includes a robot arm 100, where the robot arm 100 includes a base 110, a first rotating arm 120, a second rotating arm 130, a third rotating arm 140, and a mounting bracket 150, the base 110 is rotatably connected with the first rotating arm 120, the opposite end of the base 110 connected with the first rotating arm 120 is rotatably connected with the second rotating arm 130, the opposite end of the first rotating arm 120 connected with the second rotating arm 130 is rotatably connected with the third rotating arm 140, the third rotating arm 140 is connected with the mounting bracket 150, and the mounting bracket 150 is used for mounting a welding tool; the first rotating arm 120 is rotatable around a first axis 161, the second rotating arm 130 is rotatable around a second axis 162, the third rotating arm 140 is rotatable around a third axis 163, the first axis 161 and the second axis 162 are parallel, and the third axis 163 is perpendicular to the first axis 161 and the second axis 162.

After the welding tool is installed on the mounting bracket 150, the welding tool can rotate around the first axis 161 along with the first rotating arm 120, can rotate around the second axis 162 along with the second rotating arm 130, and can also rotate around the direction of the third axis 163 along with the third rotating arm 140.

As shown in fig. 1 and 3, the robot arm 100 further includes a first power mechanism 181, the first power mechanism 181 includes a first motor 1811 and a gear assembly 1812, the first motor 1811 is mounted on the base 110 and is in transmission connection with the first rotating arm 120 through the gear assembly 1812, specifically, referring to fig. 3, the gear assembly 1812 includes a driving wheel 18121 and a driven wheel 18122, the driving wheel 18121 is engaged with the driven wheel 18122, the driving wheel 18121 is sleeved on an output shaft of the first motor 1811, and the first rotating arm 120 is connected to the driven wheel 18122. It should be noted that the base 110 is fixedly provided with a rotating shaft 111, the driven wheel 18122 is sleeved on the rotating shaft 111, and the first rotating arm 120 may be connected to an end surface of the driven wheel 18122. The axis of the rotating shaft 111 and the axis of the driven wheel 18122 are both located on the first axis 161, and the axis of the output shaft of the first motor 1811 and the axis of the driving wheel 18121 are both parallel to the first axis 161.

The first motor 1811 drives the driving wheel 18121 to rotate, the driving wheel 18121 drives the driven wheel 18122 to rotate, and the driven wheel 18122 drives the first rotating arm 120 to rotate around the first axis 161.

In a preferred embodiment, the gear assembly 1812 is embedded inside the base 110 to make the robot arm 100 more compact.

The mechanical arm 100 further includes a second power mechanism, the second power mechanism includes a second motor, the second motor is installed at one end of the first rotating arm 120 connected to the second rotating arm 130, and an output shaft of the second motor is connected to the second rotating arm 130. The axis of the output shaft of the second motor is located on the second axis 162, so that the second motor drives the second rotating arm 130 to rotate around the second axis 162.

In a preferred embodiment, the second motor is embedded inside the first rotating arm 120, so that the structure of the robot arm 100 is more compact.

As shown in fig. 1, the first rotating arm 120 includes a first rod 121 and two bases 122, the two bases 122 are respectively connected to two ends of the first rod 121, and the bases 122 are both cylindrical, wherein an axis of the base 122 connected to the base 110 is located on a first axis 161, and an axis of the base 122 connected to the second rotating arm 130 is located on a second axis 162, that is, axes of the two bases 122 are parallel. By providing the base 122, the first rotary arm 120 is connected to the base 110 and the second rotary arm 130.

Further, the base 122 is connected to the base 110 and is disposed on the upper portion of the base 110, and the base 122 may extend into the base 110 to connect with the driven wheel 18122.

Further, the base 122 connected to the second rotary arm 130 is located at a lower portion of the second rotary arm 130. A second motor may be embedded in the base platform 122, and an output shaft of the second motor penetrates through the base platform 122 and is connected to the second rotating arm 130.

Further, the level of the connection end of the first rotating arm 120 to the base 11 is lower than the level of the connection end of the first rotating arm 120 and the second rotating arm 130. That is, the first rod 121 is disposed obliquely.

As shown in fig. 1, the robot arm 100 further includes a third power mechanism 183, where the third power mechanism includes a third motor, the third motor is installed on the second rotating arm 130, and an output shaft of the third motor is connected to the third rotating arm 140, and an axis of the output shaft of the third motor is located on the third axis 163, so that the third motor can drive the third rotating arm 140 to rotate around the third axis 163.

As shown in fig. 1, the robot arm 100 further includes a telescopic arm 170, the telescopic arm 170 is telescopic along the first axis 161, and the telescopic arm 170 is connected between the second rotating arm 130 and the third rotating arm 140. Thus, the welding tool can extend and retract along the first axis 161 with the telescopic arm 170, and requirements of different welding positions are met.

The telescopic arm 170 includes a telescopic rod 171 and a cylinder, the cylinder is mounted on the second rotating arm 130, an output shaft of the cylinder is in transmission connection with the telescopic rod 171, an axis of the output shaft of the cylinder is parallel to the first axis 161, and thus, the cylinder pushes and pulls the telescopic rod 171, so that the welding tool can move in the direction of the first axis 161.

In a preferred embodiment, the cylinder is embedded inside the second rotating arm 130, and the output shaft thereof penetrates through the outside of the second rotating arm 130 and is in transmission connection with the telescopic rod 171.

It should be noted that the cylinder driving the telescopic rod 171 to move may also be a motor.

As shown in fig. 1, the second rotating arm 130 is provided with a limiting groove 131, an axis of the limiting groove 131 is parallel to the first axis 161, and one end of the telescopic rod 171 is located in the limiting groove 131, so as to effectively improve the moving stability of the telescopic rod 171 and ensure that the telescopic rod 171 can only move along the first axis 161.

When the robot 100 further includes the telescopic arm 170, the third power mechanism 183 is disposed at an opposite end of the telescopic rod 171 connected to the limiting groove 131, and the third motor of the third power mechanism 183 passes through the telescopic rod 171 and is connected to the third rotating arm 140.

Fig. 2 is a perspective view of a welding device for machining a fan impeller shown in fig. 1. As shown in fig. 2, the mounting bracket 150 is provided with a sleeve hole 151, an axis of the sleeve hole 151 is perpendicular to a third axis 163, and a welding tool can be sleeved in the sleeve hole 151.

The soldering tool includes a soldering iron or the like. The soldering iron can be sleeved in the sleeve hole 151. By determining the moving track of the welding tool, the first motor 1811, the second motor, the third motor, the cylinder and the like are determined. After the stroke is determined, the impeller to be welded is fixed on the workbench, the mechanical arm is started to weld the impeller, the automation degree is high, and the working efficiency is effectively improved. In addition, through adopting above-mentioned structure, effectively increased the demand that different removed.

Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. The invention is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.

It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims

1. The welding device for machining the fan impeller comprises a mechanical arm and is characterized in that the mechanical arm comprises a base, a first rotating arm, a second rotating arm, a third rotating arm and a mounting support, the base is rotatably connected with the first rotating arm, the opposite end, connected with the base, of the first rotating arm is rotatably connected with the second rotating arm, the opposite end, connected with the first rotating arm, of the second rotating arm is rotatably connected with the third rotating arm, the third rotating arm is connected with the mounting support, and the mounting support is used for mounting a welding tool;

2. The welding device for machining the fan impeller according to claim 1, wherein the mechanical arm further comprises a telescopic arm, the telescopic arm is telescopic along the first axial direction, and the telescopic arm is connected between the second rotating arm and the third rotating arm.

3. The welding device for machining the fan impeller according to claim 2, wherein the telescopic arm comprises a telescopic rod body and a cylinder, the cylinder is embedded inside the second rotating arm, an output shaft of the cylinder is parallel to the first axis direction, and the output shaft of the cylinder is in transmission connection with the telescopic rod body.

4. The welding device for machining the fan impeller according to claim 3, wherein a guide groove is formed in the second rotating arm, and the telescopic rod body is located in the guide groove.

5. The welding device for machining the fan impeller according to claim 1, wherein the mounting bracket comprises a sleeve hole for sleeving the welding tool, and an axis of the sleeve hole is perpendicular to the third axis.

6. The welding device for machining the fan impeller according to claim 1, wherein the horizontal height of the connecting end of the first rotating arm and the base is lower than the horizontal height of the connecting end of the first rotating arm and the second rotating arm.

7. The welding device for machining the fan impeller as claimed in claim 1, wherein the mechanical arm further comprises a first power mechanism, the first power mechanism comprises a first motor and a gear assembly, the gear assembly comprises a driving wheel and a driven wheel, the driving wheel is meshed with the driven wheel, the first motor is arranged on the base, an output shaft of the first motor is connected with the driving wheel, the first rotating arm is connected with an end face of the driven wheel, and an axis of the driven wheel is located in the first axis direction.

8. The welding device for machining of the fan impeller according to claim 7, wherein the gear assembly is embedded inside the base.

9. The welding device for machining the fan impeller according to claim 1, wherein the mechanical arm further comprises a second power mechanism, the second power mechanism comprises a second motor, an axis of an output shaft of the second motor is located in the direction of the second axis, the second motor is embedded inside the first rotating arm, and the output shaft of the second motor penetrates through the first rotating arm and is in transmission connection with the second rotating arm.

10. The welding device for machining the fan impeller according to claim 3, wherein the mechanical arm further comprises a third power mechanism, the third power mechanism comprises a third motor, an output shaft of the third motor is located in the direction of the third axis, the third motor is mounted on the telescopic rod body, and the output shaft of the third motor penetrates through the telescopic rod body to be in transmission connection with the third rotating arm.