CN217493169U

CN217493169U - Welding machines is extended base for arm

Info

Publication number: CN217493169U
Application number: CN202220850614.9U
Authority: CN
Inventors: 马文志; 宫晓韵; 马书瑶
Original assignee: Baoding Chengqian Machinery Processing Co ltd
Current assignee: Baoding Chengqian Machinery Processing Co ltd
Priority date: 2022-04-12
Filing date: 2022-04-12
Publication date: 2022-09-27
Anticipated expiration: 2032-04-12

Abstract

The utility model discloses an extended base for welding mechanical arm, which comprises a base, a first driving unit, a switching frame, a second driving unit and a mechanical arm base plate, wherein two first slide rails are arranged at the top of the base in parallel, a slide block matched with the first slide rails is arranged at the bottom of the switching frame, and the first driving unit drives the switching frame to slide along the first slide rails; two second sliding rails are arranged at the top of the switching rack in parallel, a sliding block matched with the second sliding rails is arranged at the bottom of the mechanical arm base plate, the second driving unit drives the mechanical arm base plate to slide along the second sliding rails, and a mechanical arm used for welding is arranged on the mechanical arm base plate; the first slide rail and the second slide rail are vertically arranged. The utility model discloses welding machines arm is with extension base can increase welding machines arm's welding coverage, and a plurality of frock platforms of a welding machines arm weld, have improved welding operation efficiency.

Description

Expansion base for welding mechanical arm

Technical Field

The utility model relates to a welding auxiliary assembly technical field especially relates to a welding machines is extended pedestal for arm.

Background

A welding robot arm is a type of automated equipment in which the arm is a basic component in a robotic manipulator that can perform both rotational and reciprocating motions. The tail end of the welding mechanical arm is provided with a fixed welding gun, so that the function of automatic welding can be realized. The following describes the main advantages of the welding robot: the welding mechanical arm has the advantages of stabilizing, improving the welding quality and ensuring the uniformity of the welding mechanical arm; the welding mechanical arm has the advantages that the labor productivity is improved, and the continuous production can be realized for 24 hours a day; the welding mechanical arm can improve the labor condition of workers and can work in a harmful environment; the requirement on the operation technology of workers is reduced; the preparation period of product reshaping and updating is shortened, and the corresponding equipment investment is reduced.

However, the conventional welding robot is limited by its rotation and arm length, and cannot process large-sized welded parts or weld a plurality of tool tables at the same time, which results in low welding efficiency. If the welding range is to be expanded, only the welding robot arm with higher equipment cost and better performance can be added.

Therefore, it is necessary to develop an extension base for a welding robot arm in view of the above-mentioned drawbacks.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a welding machines is extended base for arm can increase welding machines arm's welding coverage, and a plurality of frock platforms of a welding machines arm weld, have improved welding operation efficiency.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the utility model relates to an extension base for welding mechanical arm, including base, first drive unit, switching frame, second drive unit and robotic arm bed plate, the top of base parallel arrangement has two first slide rails, the bottom of switching frame is provided with the slider with first slide rail complex, first drive unit drive the switching frame slide along first slide rail; two second sliding rails are arranged at the top of the switching rack in parallel, a sliding block matched with the second sliding rails is arranged at the bottom of the mechanical arm base plate, the second driving unit drives the mechanical arm base plate to slide along the second sliding rails, and a mechanical arm for welding is arranged on the mechanical arm base plate; the first slide rail and the second slide rail are vertically arranged.

Furthermore, the first driving unit comprises a first driving motor, a first lead screw, a bearing seat and a nut slider, two ends of the first lead screw are arranged on the base through the bearing seat, the first lead screw is arranged in parallel with the first slide rail, the nut slider is in threaded transmission connection with the first lead screw, and the nut slider is arranged below the adapter rack; the first driving motor is arranged at one end of the first lead screw and drives the first lead screw to rotate.

Further, the first driving motor specifically adopts a servo motor, and a servo driver of the servo motor is electrically connected to the control host of the mechanical arm.

Further, the nut slider specifically adopts a ball screw nut.

Furthermore, the exposed parts of the first lead screw on the two sides of the nut sliding block are shielded and protected by a telescopic shield; the first sliding rail is arranged on exposed parts on two sides of the switching rack and is shielded and protected by a telescopic protective cover.

Further, the second driving unit and the first driving unit are consistent in composition structure.

Further, the bottom of the base plate of the mechanical arm and the sliding blocks matched with the second sliding rails adopt offset sliding blocks, and the number of the offset sliding blocks is four and the offset sliding blocks are arranged at the positions close to the back.

Compared with the prior art, the utility model discloses a beneficial technological effect:

the utility model relates to a welding machines arm is with extension base's beneficial effect:

the utility model discloses welding machines is extended base for arm through the cross shape extension movable base that comprises base and switching frame to drive by first drive unit and second drive unit respectively, drive the robotic arm bed plate and the robotic arm motion above that, enlarged robotic arm's the scope that can weld the cover, satisfy the clamping of big welding workpiece and take one's place and accomplish the welding jobs requirement, through extension movable base periphery sets up a plurality of welding platforms, and the welding jobs when can guaranteeing a plurality of work pieces has saved and has gone up the unloading time, has improved the operating efficiency. The utility model discloses welding machines arm is with extension base can increase welding machines arm's welding coverage, and a plurality of frock platforms of a welding machines arm weld, have improved welding operation efficiency.

In addition, the first driving unit drives the switching rack to slide along the track in a mode that the lead screw is matched with the lead screw nut, the structure is reliable, the first driving motor specifically adopts the servo motor, integrated control to a control program of a control host of the mechanical arm is facilitated, control is uniformly set, and the automation degree is high. Through the setting of scalable guard shield, can prevent that welding slag, dust from entering into and form wearing and tearing on slide rail and the lead screw, improved the life of this device. Through the off-normal setting of biasing slider, the robotic arm bed plate of being convenient for continues the outside outstanding slip, forms great welding coverage, avoids switching frame outer end too outstanding to interfere with welding frock platform, influences the arranging of welding frock platform.

Drawings

The present invention will be further explained with reference to the accompanying drawings.

Fig. 1 is a schematic front view of an extended base for a welding robot according to the present invention;

fig. 2 is a schematic top view of the extended base for the welding robot according to the present invention;

fig. 3 is a schematic view of a welding station layout of an extended base for a welding robot arm, to which the present invention is applied.

Description of the reference numerals: 1. a base; 101. a first slide rail; 2. a first driving unit; 201. a first drive motor; 202. a first lead screw; 203. a bearing seat; 204. a nut slider; 3. a transfer rack; 301. a second slide rail; 4. a second driving unit; 401. a second drive motor; 402. a second lead screw; 5. a base plate of the mechanical arm; 501. a biasing slide block; 6. a robot arm; 7. a first welding stage; 8. a second welding stage; 9. a third welding stage; 10. a welding machine power supply; 11. a stringing pole.

Detailed Description

The core of the utility model is to provide a welding machines arm uses expansion base, can increase welding machines arm's welding coverage, a plurality of frock platforms of a welding machines arm weld, have improved welding operation efficiency.

In the following, the technical solutions in the embodiments of the present invention will be clearly and completely described with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to the drawings, fig. 1 is a schematic front view of an extended base for a welding robot arm according to the present invention;

fig. 2 is a schematic top view of the extended base for the welding robot according to the present invention; fig. 3 is a schematic view of a welding station layout of an extended base for a welding robot arm, to which the present invention is applied.

In a specific embodiment, as shown in fig. 1 and fig. 2, the robot system includes a base 1, a first driving unit 2, an adaptor rack 3, a second driving unit 4, and a robot base plate 5, wherein two first sliding rails 101 are disposed in parallel on the top of the base 1, a slider engaged with the first sliding rails 101 is disposed on the bottom of the adaptor rack 3, and the first driving unit 2 drives the adaptor rack 3 to slide along the first sliding rails 101. Two second slide rails 301 are arranged in parallel at the top of the switching rack 3, a slide block matched with the second slide rails 301 is arranged at the bottom of the mechanical arm base plate 5, the second driving unit 4 drives the mechanical arm base plate 5 to slide along the second slide rails 301, and the mechanical arm 6 used for welding is arranged on the mechanical arm base plate 5. The first slide rail 101 and the second slide rail 301 are both linear guide rails and are perpendicular to each other.

Through the cross-shaped expansion movable base formed by the base 1 and the switching rack 3 and driven by the first driving unit 2 and the second driving unit 4 respectively, the mechanical arm base plate 5 and the mechanical arm 6 on the mechanical arm base plate are driven to move, the welding coverage range of the mechanical arm 6 is expanded, the requirement of completing welding operation of large welding workpieces by clamping in place at one time is met, welding operation of a plurality of workpieces can be guaranteed by arranging a plurality of welding platforms on the periphery of the expansion movable base, the feeding and discharging time is saved, and the operation efficiency is improved. The utility model discloses welding machines arm is with extension base can increase welding machines arm's welding coverage, and a plurality of frock platforms of a welding machines arm weld, have improved welding operation efficiency.

In a specific embodiment of the present invention, as shown in fig. 1 and fig. 2, the first driving unit 2 includes a first driving motor 201, a first lead screw 202, a bearing seat 203, and a nut slider 204. The two ends of the first lead screw 202 are erected on the base 1 through the bearing seat 203, the first lead screw 202 is arranged in parallel to the first slide rail 101, the nut slider 204 is in threaded transmission connection with the first lead screw 202, and the nut slider 204 is installed below the adapter rack 3. The first driving motor 201 is disposed at one end of the first lead screw 202 and drives the first lead screw 202 to rotate through a coupling. Obviously, the first driving unit 2 may also adopt other forms to drive the adaptor frame 3 to slide, such as a hydraulic cylinder or a linear motor. Similar deformation modes all fall into the protection scope of the utility model.

Specifically, as shown in fig. 1 and 2, the first driving motor 201 is specifically a servo motor, and a servo driver of the servo motor is electrically connected to the control host of the robot arm 6.

Specifically, as shown in fig. 1 and 2, the nut slider 204 is specifically a ball screw nut.

Specifically, the exposed parts of the first lead screw 202 on the two sides of the nut slider 204 are shielded and protected by using a retractable shield. The exposed parts of the first slide rail 101 at the two sides of the adapter rack 3 are shielded and protected by a telescopic shield. The telescopic shield is made of refractory fiber cloth.

Adopt lead screw cooperation screw nut's mode drive switching frame 3 to slide along the track through first drive unit 2, the structure is reliable, and first driving motor 201 specifically adopts servo motor moreover, and the integrated control of being convenient for sets up control in unison on the control program of robotic arm 6's control host computer, and degree of automation is high. Through the setting of scalable guard shield, can prevent that welding slag, dust from entering into and form wearing and tearing on slide rail and the lead screw, improved the life of this device.

In a specific embodiment of the present invention, as shown in fig. 1 and fig. 2, the second driving unit 4 and the first driving unit 2 have the same structure.

In a specific embodiment of the present invention, as shown in fig. 1, the bottom of the base plate 5 of the robot arm and the slider engaged with the second slide rail 301 are offset sliders 501, and the number of the offset sliders 501 is four and is set at the position close to the back. Specifically, the robot arm 6 is mounted on the outer top surface of the robot base plate 5, and can better approach a workpiece to be welded.

Through biasing slider 501's off normal setting, the robotic arm bed plate 5 of being convenient for continues outside outstanding slip, forms great welding coverage, avoids the 3 outer ends of switching frame too outstanding to interfere with welding frock platform, influences arranging of welding frock platform.

In a specific embodiment of the present invention, as shown in fig. 3, along the length direction of the base 1, the outer side of the base 1 is provided with a first welding stage 7 and a second welding stage 8, and one end of the base 1 is further provided with a third welding stage 9. Robotic arm 6 passes through the utility model discloses welding robotic arm is with extension base's load, can be a clamping back, accomplish the welding operation of work piece on first welding bench 7, second welding bench 8 and the third welding bench 9.

Further, the welding machine power supply 10 is arranged on the other side of the base 1 opposite to the first welding table 7, and space is reasonably utilized. Meanwhile, a stringing pole 11 is arranged, a downward lifting appliance is arranged on an upper swing arm of the stringing pole 11, and the pipeline used for welding of the mechanical arm 6 is lifted by the lifting appliance. Can adapt to the welding action coverage of the mechanical arm 6 flexibly, and is not easy to be dragged and damaged.

The utility model discloses welding is expansion base for robotic arm through the cross shape extension movable base that comprises base 1 and switching frame 3 to drive by first drive unit 2 and second drive unit 4 respectively, drive robotic arm bed plate 5 and robotic arm 6 motion above that, enlarged robotic arm 6 can weld the scope of covering, satisfy big welding workpiece clamping and take one's place and accomplish the welding jobs requirement, through extension movable base periphery sets up a plurality of welding platforms, can guarantee the welding jobs when a plurality of work pieces, has saved last unloading time, has improved the operating efficiency. The utility model discloses welding machines arm is with extension base can increase welding machines arm's welding coverage, and a plurality of frock platforms of a welding machines arm weld, have improved welding operation efficiency. In addition, the first driving unit 2 drives the adapter rack 3 to slide along the track in a mode that a lead screw is matched with a lead screw nut, the structure is reliable, the first driving motor 201 specifically adopts a servo motor, integrated control to a control program of a control host of the mechanical arm 6 is facilitated, control is uniformly set, and the automation degree is high. Through the setting of scalable guard shield, can prevent that welding slag, dust from entering into and form wearing and tearing on slide rail and the lead screw, improved the life of this device. Through the off-normal setting of biasing slider 501, the robotic arm bed plate 5 of being convenient for continues the outside outstanding slip, forms great welding coverage, avoids switching frame 3 outer end too outstanding to interfere with welding frock platform, influences the arranging of welding frock platform.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed in the embodiment corresponds to the method disclosed in the embodiment, so that the description is simple, and the relevant points can be referred to the description of the method part.

The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall into the protection scope defined by the claims of the present invention.

Claims

1. An expansion base for a welding mechanical arm is characterized by comprising a base (1), a first driving unit (2), a switching rack (3), a second driving unit (4) and a mechanical arm base plate (5), wherein two first sliding rails (101) are arranged on the top of the base (1) in parallel, a sliding block matched with the first sliding rails (101) is arranged at the bottom of the switching rack (3), and the switching rack (3) is driven by the first driving unit (2) to slide along the first sliding rails (101); two second sliding rails (301) are arranged at the top of the switching rack (3) in parallel, a sliding block matched with the second sliding rails (301) is arranged at the bottom of the mechanical arm base plate (5), the second driving unit (4) drives the mechanical arm base plate (5) to slide along the second sliding rails (301), and a mechanical arm (6) for welding is arranged on the mechanical arm base plate (5); the first sliding rail (101) and the second sliding rail (301) are vertically arranged.

2. The docking station as claimed in claim 1, wherein: the first driving unit (2) comprises a first driving motor (201), a first lead screw (202), a bearing seat (203) and a nut sliding block (204), two ends of the first lead screw (202) are erected on the base (1) through the bearing seat (203), the first lead screw (202) is arranged in parallel to the first sliding rail (101), the nut sliding block (204) is in threaded transmission connection with the first lead screw (202), and the nut sliding block (204) is arranged below the adapter rack (3); the first driving motor (201) is arranged at one end of the first lead screw (202) and drives the first lead screw (202) to rotate.

3. The docking station as claimed in claim 2, wherein: the first driving motor (201) is a servo motor, and a servo driver of the servo motor is electrically connected to a control host of the mechanical arm (6).

4. The docking station as claimed in claim 2, wherein: the nut sliding block (204) is a ball screw nut.

5. The extended base for the welding robot arm according to any one of claims 2 to 4, wherein: the exposed parts of the first lead screw (202) on the two sides of the nut sliding block (204) are shielded and protected by a telescopic shield; the exposed parts of the two sides of the switching rack (3) are shielded and protected by the first sliding rail (101) through a telescopic shield.

6. The docking station as claimed in claim 5, wherein: the second driving unit (4) and the first driving unit (2) are consistent in composition structure.

7. The docking station as claimed in claim 1, wherein: the bottom of the mechanical arm base plate (5) and the sliding blocks matched with the second sliding rails (301) adopt offset sliding blocks (501), and the number of the offset sliding blocks (501) is four and is arranged at the position behind.