CN217529729U - Welding robot arm for automobile production - Google Patents

Abstract

The utility model discloses a welding robot arm for automobile production, which relates to the field of welding technology. Aiming at the problem of the poor working environment of the existing automobile production welding, the following scheme is proposed. It includes a body, and the upper end of the body is provided with connection The end of the connecting arm is connected with a welding gun, and the end of the connecting arm is rotatably connected with a mounting sleeve through a bearing, and the outer side of the mounting sleeve is provided with symmetrically distributed longitudinal sliding grooves. The utility model adopts the protective cover arranged on the outside of the welding torch, and the protective cover can be adjusted according to the needs of use, so as to block most of the high-intensity light and welding sparks, avoid the strong light and welding sparks from injuring the operator, and improve the welding working environment. The opening is convenient for the staff to check the welding torch and absorb welding fumes.

Description

A welding robot arm for automobile production

technical field

The utility model relates to the technical field of welding, in particular to a welding robot arm for automobile production.

Background technique

With the development of electronic technology, computer technology, numerical control and robot technology, automatic welding robots have been used in production since the 1960s. Advantages such as the preparation cycle for the replacement.

The production welding work of automobiles usually requires the use of welding robots to improve and stabilize the welding quality and improve production efficiency. Due to the high intensity of light and welding sparks generated during welding, it may cause harm to staff and other equipment, resulting in a relatively harsh welding working environment. There is an urgent need for a welding robot arm for automobile production to improve welding working conditions.

Utility model content

The utility model proposes a welding robot arm for automobile production, which solves the problem of poor working environment of the existing automobile production welding.

In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

A welding robot arm for automobile production includes a fuselage, a connecting arm is arranged on the upper end of the fuselage, a welding torch is connected to the end of the connecting arm, and a mounting sleeve is rotatably connected to the end of the connecting arm through a bearing. The outer side of the sleeve is provided with a symmetrically distributed longitudinal chute, the inside of the chute is fixedly connected with a first spring, the outside of the mounting sleeve is movable with a protective cover, the welding torch is located inside the protective cover, and the outer side of the protective cover is provided with a protective cover. For the observation port, symmetrically distributed sliding blocks are fixedly connected inside the protective cover, the sliding blocks slide in the longitudinal sliding grooves, and the other end of the first spring is fixedly connected to the sliding blocks.

Preferably, a support plate is fixedly connected to a side of the connecting arm close to the mounting sleeve, a stepper motor is fixedly connected to a side of the support plate close to the protective cover, and an output end of the stepper motor is fixedly connected to a driving gear, An annular rack is fixedly connected to the outer side of the mounting sleeve, and the driving gear is engaged with the annular rack.

Preferably, a filter box is fixedly connected to a side of the support plate close to the fuselage, an activated carbon layer and a filter plate are arranged in the filter box in sequence from top to bottom, and a blower is fixedly connected inside the filter box, and the blower Located under the filter plate, the input end of the blower is installed with a duct, the side of the support plate close to the stepper motor is fixedly connected with a dust hood, and the other end of the duct extends to the outside of the filter box and is connected to the dust hood , the upper side of the filter box is provided with a plurality of through holes.

Preferably, an installation groove is formed on the side of the filter box, a sealing plate is horizontally slidably connected in the installation groove, the activated carbon layer and the filter plate are fixedly connected to the sealing plate, and symmetrically distributed steps are arranged inside the sealing plate. The stepped groove is longitudinally slidably connected with a clamping plate, the installation groove is provided with a symmetrically distributed restriction groove, the clamping plate is slidably matched with the restriction groove, and a second spring is fixedly connected in the stepped groove, so The other end of the second spring is fixedly connected to the card plate, and a handle is fixedly connected to the side of the card plate away from the filter plate.

Preferably, a connecting rod is provided between the activated carbon layer and the filter plate, two ends of the connecting rod are fixedly connected to the corresponding activated carbon layer and the filter plate respectively, and the activated carbon layer and the filter plate are both arranged in a V shape.

Preferably, a vertical plate is fixedly connected to one side of the connecting arm close to the support plate, and the output end of the stepping motor is rotatably connected to the vertical plate through a bearing.

In this utility model:

Through the cooperative use of various components, the beneficial effects are as follows:

1. The utility model adopts the protective cover arranged on the outside of the welding torch, and the protective cover can be adjusted according to the use requirements to block most of the high-intensity light and welding sparks, avoid the strong light and welding sparks from harming the operator, and improve the working environment of welding. The observation port is convenient for the staff to check the welding torch and absorb welding fumes.

2. The utility model is provided with a welding fume filtering device, which can suck the welding fume into the filter box through the blower, and remove the harmful particles and odors in the welding fume through the purification of the filter plate and the activated carbon layer, so as to prevent the welding fume from affecting the health of workers. , to further improve working conditions.

Description of drawings

Fig. 1 is the structural representation of a kind of welding robot arm for automobile production proposed by the utility model;

2 is a schematic structural diagram of a welding torch in a welding robot arm for automobile production proposed by the utility model;

FIG. 3 is a partial enlarged view of part A in FIG. 2 .

Symbols in the figure: 1. Body; 2. Connecting arm; 3. Welding torch; 4. Mounting sleeve; 5. First spring; 6. Protective cover; 7. Observation port; 8. Slider; 9. Support plate; 10 , stepping motor; 11, driving gear; 12, ring rack; 13, filter box; 14, activated carbon layer; 15, filter plate; 16, blower; 17, dust cover; 18, sealing plate; 19, stepped groove ; 20, card plate; 21, limiting slot; 22, second spring; 23, vertical plate.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example.

1-3, a welding robot arm for automobile production includes a fuselage 1, the upper end of the fuselage 1 is provided with a connecting arm 2, the end of the connecting arm 2 is connected with a welding torch 3, and the end of the connecting arm 2 is The end is rotatably connected with a mounting sleeve 4 through a bearing. The outer side of the mounting sleeve 4 is provided with a symmetrically distributed longitudinal chute, a first spring 5 is fixedly connected to the inside of the chute, and a protective cover is provided on the outside of the mounting sleeve 4. 6. The welding torch 3 is located inside the protective cover 6, the outer side of the protective cover 6 is provided with an observation port 7, the inside of the protective cover 6 is fixedly connected with a symmetrically distributed slider 8, and the slider 8 is in the longitudinal chute. Sliding, the other end of the first spring 5 is fixedly connected to the slider 8, the connecting arm 2 is activated, and the connecting arm 2 drives the welding torch 3 to move to the welding processing place, drives the welding torch 3 to move downward, contacts the welding piece, performs welding, and protects the The cover 6 is in contact with the welding piece and squeezes the first spring 5 so that the protective cover 6 slides on the mounting sleeve 4 .

A support plate 9 is fixedly connected to the side of the connecting arm 2 close to the mounting sleeve 4 , a stepper motor 10 is fixedly connected to the side of the support plate 9 close to the protective cover 6 , and the output end of the stepper motor 10 is fixedly connected There is a driving gear 11, the outer side of the mounting sleeve 4 is fixedly connected with a ring gear 12, the driving gear 11 meshes with the ring gear 12, the stepping motor 10 drives the driving gear 11 to rotate, and the driving gear 11 rotates to drive the ring gear The rod 12 rotates, the ring rack 12 rotates to drive the installation sleeve 4 to rotate, and the installation sleeve 4 rotates to drive the protective cover 6 to move until the observation port 7 cooperates with the dust cover 17 so that the smoke is discharged from the observation port 7, which is convenient for subsequent absorption and filtration.

A filter box 13 is fixedly connected to the side of the support plate 9 close to the fuselage 1. The inside of the filter box 13 is sequentially provided with an activated carbon layer 14 and a filter plate 15 from top to bottom, and a blower is fixedly connected inside the filter box 13. 16. The blower 16 is located under the filter plate 15, the input end of the blower 16 is installed with a duct, the side of the support plate 9 close to the stepping motor 10 is fixedly connected with a dust hood 17, and the other end of the duct extends To the outside of the filter box 13, and connected to the dust hood 17, the upper side of the filter box 13 is provided with a number of through holes, the blower 16 is activated, and the welding fumes are sucked into the filter box 13 through the dust hood 17, and the welding fumes are sequentially filtered. The plate 15 and the activated carbon layer 14 remove harmful particles and odors in the welding fumes, and finally remove them through the through holes, so as to prevent the welding fumes from affecting the health of workers and further improve working conditions.

The side of the filter box 13 is provided with an installation groove, and a sealing plate 18 is horizontally slidably connected in the installation groove. Distributed stepped grooves 19, the stepped grooves 19 are longitudinally slidably connected with a clamping plate 20, and symmetrically distributed restricting grooves 21 are opened in the installation groove, and the clamping plate 20 is slidably matched with the restricting grooves 21, and the stepped grooves 19 is fixedly connected with a second spring 22, the other end of the second spring 22 is fixedly connected to the card plate 20, and the side of the card plate 20 away from the filter plate 15 is fixedly connected with a handle, when the filter plate 15 and the activated carbon need to be replaced When layer 14, hold the handle and press the handle to drive the clamping plate 20 to disengage from the limiting groove 21, pull the handle to drive the sealing plate 18 to move horizontally, take out the filter plate 15 and the activated carbon layer 14, and the replacement process is relatively simple.

A connecting rod is arranged between the activated carbon layer 14 and the filter plate 15 , and both ends of the connecting rod are fixedly connected to the corresponding activated carbon layer 14 and the filter plate 15 respectively, and the activated carbon layer 14 and the filter plate 15 are both V-shaped. The setting can increase the area for filtering and adsorbing smoke and dust, and improve the purification effect.

A vertical plate 23 is fixedly connected to the side of the connecting arm 2 close to the support plate 9 , and the output end of the stepping motor 10 is connected to the vertical plate 23 through the bearing rotation. The output is more stable.

working principle:

When the utility model is in use, the connecting arm 2 and the stepping motor 10 are activated, the stepping motor 10 drives the driving gear 11 to rotate, the driving gear 11 rotates to drive the ring rack 12 to rotate, the ring rack 12 rotates to drive the installation sleeve 4 to rotate, and the installation sleeve 4. Rotate to drive the protective cover 6 to move until the observation port 7 cooperates with the dust cover 17, the connecting arm 2 drives the welding torch 3 to move to the welding process, drives the welding torch 3 to move downward, and contacts the welding piece for welding. The welding parts contact and squeeze the first spring 5. During the welding process, the protective cover 6 can block most of the high-intensity light and welding sparks, avoid the strong light and welding sparks from harming the operator, improve the working environment of welding, start the blower 16, and start the welding process. The fumes are sucked into the filter box 13 through the dust hood 17, and the welding fumes pass through the filter plate 15 and the activated carbon layer 14 in turn to remove the harmful particles and odors in the welding fumes, and finally are eliminated through the through holes to prevent the welding fumes from affecting the health of workers and further improve the Working conditions, when it is necessary to replace the filter plate 15 and the activated carbon layer 14, hold the handle and press the handle to drive the clamping plate 20 to disengage from the limiting groove 21, pull the handle, drive the sealing plate 18 to move horizontally, and move the filter plate 15 and the activated carbon layer horizontally. 14 Take out, the replacement process is relatively simple.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Clockwise", "Counterclockwise" etc. Or the positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed in a specific orientation and operation, so it cannot be construed as a limitation to the present invention.

In addition, the terms "first" and "second" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature defined as "first" or "second" may expressly or implicitly include one or more of that feature. In the description of the present invention, "plurality" means two or more, unless otherwise expressly and specifically defined.

The above description is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited to this. Equivalent replacement or modification of the new technical solution and its utility model concept shall be included within the protection scope of the present utility model.

Claims (6)

1. A welding robot arm for automobile production, comprising a fuselage (1), wherein the upper end of the fuselage (1) is provided with a connecting arm (2), and the end of the connecting arm (2) is connected with a welding torch (3), the end of the connecting arm (2) is rotatably connected with a mounting sleeve (4) through a bearing, the outer side of the mounting sleeve (4) is provided with a symmetrically distributed longitudinal chute, and the inside of the chute is fixedly connected with a first A spring (5), a protective cover (6) is provided on the outside of the mounting sleeve (4), the welding torch (3) is located inside the protective cover (6), and an observation port is provided on the outside of the protective cover (6). (7), symmetrically distributed sliders (8) are fixedly connected inside the protective cover (6), the sliders (8) slide in the longitudinal chute, and the other end of the first spring (5) is fixedly connected on the slider (8). 2 . The welding robot arm for automobile production according to claim 1 , wherein a support plate ( 9 ) is fixedly connected to one side of the connecting arm ( 2 ) close to the mounting sleeve ( 4 ). A stepper motor (10) is fixedly connected to the side of the plate (9) close to the protective cover (6), the output end of the stepper motor (10) is fixedly connected with a driving gear (11), and the mounting sleeve (4) A ring gear rack (12) is fixedly connected to the outer side of the gear, and the driving gear (11) is meshed with the ring gear rack (12). 3. The welding robot arm for automobile production according to claim 2, wherein a filter box (13) is fixedly connected to one side of the support plate (9) close to the fuselage (1), and the filter box (13) is The inside of the box (13) is sequentially provided with an activated carbon layer (14) and a filter plate (15) from top to bottom, a blower (16) is fixedly connected inside the filter box (13), and the blower (16) is located in the filter plate (16). 15) Below, a conduit is installed at the input end of the blower (16), a dust hood (17) is fixedly connected to one side of the support plate (9) close to the stepper motor (10), and the other end of the conduit extends to the outside of the filter box (13) and connected to the dust hood (17), the filter box (13) is provided with a plurality of through holes on the upper side. 4. The welding robot arm for automobile production according to claim 3, wherein a mounting groove is provided on the side of the filter box (13), and a sealing plate (18) is horizontally slidably connected in the mounting groove, Both the activated carbon layer (14) and the filter plate (15) are fixedly connected to the sealing plate (18), the sealing plate (18) is provided with symmetrically distributed stepped grooves (19) inside the stepped grooves (19) A clamping plate (20) is slidably connected in the longitudinal direction, symmetrically distributed restricting grooves (21) are opened in the mounting groove, the clamping plate (20) is slidably matched with the restricting groove (21), and the stepped groove (19) is in a sliding fit. A second spring (22) is fixedly connected, the other end of the second spring (22) is fixedly connected to the clamping plate (20), and a handle is fixedly connected to the side of the clamping plate (20) away from the filter plate (15). 5. The welding robot arm for automobile production according to claim 3, wherein a connecting rod is provided between the activated carbon layer (14) and the filter plate (15), and the two ends of the connecting rod are respectively It is fixedly connected to the corresponding activated carbon layer (14) and the filter plate (15), and the activated carbon layer (14) and the filter plate (15) are both arranged in a V shape. 6. The welding robot arm for automobile production according to claim 2, wherein a vertical plate (23) is fixedly connected to one side of the connecting arm (2) close to the support plate (9), and the step The output end of the intake motor (10) is rotatably connected to the vertical plate (23) through a bearing.

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