CN213646395U

CN213646395U - Mechanical arm for machine-building

Info

Publication number: CN213646395U
Application number: CN202022673318.XU
Authority: CN
Inventors: 全彦
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-18
Filing date: 2020-11-18
Publication date: 2021-07-09
Anticipated expiration: 2030-11-18

Abstract

The utility model relates to a machine-building technical field. The utility model discloses a machinery arm for manufacturing, the swinging boom rotates and installs on the base, be provided with first tuber pipe in the swinging boom upper end, upper end at first festival arm is provided with the second tuber pipe, front end at second festival arm is provided with the third tuber pipe, be provided with first tuber pipe air nozzle on first tuber pipe surface, be provided with second tuber pipe air nozzle on second tuber pipe surface, be provided with third tuber pipe air nozzle on third tuber pipe surface, first tuber pipe air nozzle is towards the rotation installation gap department of swinging boom and first festival arm, second tuber pipe air nozzle is towards the rotation installation gap department of first festival arm and second festival arm, third tuber pipe air nozzle is towards the rotation installation gap department of second festival arm and third festival arm. The utility model discloses can prevent effectively that the smoke and dust granule or the welding slag piece that produce from getting into in the arm joint pivot gap among the welding process.

Description

Mechanical arm for machine-building

Technical Field

The utility model relates to a machine-building technical field, more specifically say, relate to a mechanical arm for machine-building.

Background

With the high development of mechanical automation, the use of mechanical arms in mechanical manufacturing is more and more extensive, and the application of the mechanical arms improves the production efficiency and the processing stability of mechanical manufacturing. Welding is an important link in the mechanical manufacturing process, and a mechanical arm is widely adopted by many enterprises to replace manual welding operation, but during the welding mechanical processing, a large amount of impurities such as smoke dust, welding slag scraps and the like are often generated, so that smoke dust particles are often accumulated at the joint of the mechanical arm, and part of smoke dust particles enter a gap of a rotating shaft along with the rotation of the mechanical arm, so that the flexibility of the mechanical arm is reduced; also often have some welding slag pieces to collapse to the joint department of arm simultaneously in the course of working, along with the rotation of arm, partial welding slag piece can block in the pivot department of arm, causes the arm jamming, can lead to the arm to damage when serious.

SUMMERY OF THE UTILITY MODEL

The utility model provides an arm for machine-building for solve above-mentioned mechanical arm in welding machining process and pile up because of the smoke and dust granule easily and cause the flexibility to descend, and draw the welding slag piece easily and lead to the problem that the arm jamming damaged even.

In order to achieve the above object, the utility model provides an arm for machine-building, including base, swinging boom, first festival arm, second festival arm, third festival arm, centre gripping arm and welder, the swinging boom rotates to be installed on the base, first festival arm rotates to be installed at the swinging boom upper end, second festival arm rotates to be installed at the first festival arm upper end, the coaxial rotation of third festival arm is installed at the front end of second festival arm, centre gripping arm rotates to be installed at the front end of third festival arm, the welder is by the centre gripping of centre gripping arm, be provided with first tuber pipe in the swinging boom upper end, be provided with the second tuber pipe in the upper end of first festival arm, be provided with the third tuber pipe in the front end of second festival arm, be provided with first air nozzle on the surface of first tuber pipe, be provided with the second air nozzle on the surface of second tuber pipe, a third air pipe air nozzle is arranged on the surface of the third air pipe, the first air pipe air nozzle faces the rotary mounting gap between the rotary arm and the first section arm, the second air pipe air nozzle faces the rotary mounting gap between the first section arm and the second section arm, and the third air pipe air nozzle faces the rotary mounting gap between the second section arm and the third section arm; the first air pipe, the second air pipe and the third air pipe are communicated in series through the telescopic corrugated air pipe, one end of the free end of the air path after series connection is connected with an external high-pressure air pipeline, and the other end of the air path is blocked.

The mechanical arm for machine manufacturing provided by the technical proposal of the utility model is connected with an external high-pressure air pipeline through the arranged first air pipe, the second air pipe and the third air pipe which are connected in series, can ensure that high-pressure air is sprayed out from the first air pipe air nozzle, the second air pipe air nozzle and the third air pipe air nozzle, and because the first air pipe air nozzle faces the rotary mounting gap between the rotary arm and the first section arm, the second air pipe air nozzle faces the rotary mounting gap between the first section arm and the second section arm, and the third air pipe air nozzle faces the rotary mounting gap between the second section arm and the third section arm, therefore, the high-pressure air ejected from the three air nozzles can prevent the dust particles or welding slag scraps from falling to the three gaps, or the fallen soot particles are blown away quickly, so that the situation that the flexibility of the mechanical arm is reduced or the mechanical arm is stuck and damaged due to the fact that the soot particles enter a gap of the rotating shaft is effectively avoided; and meanwhile, the three air pipes are communicated through the telescopic corrugated air pipes, so that when the mechanical arm works, the telescopic corrugated air pipes can extend or shorten along with the movement of the mechanical arm.

Additionally, the utility model discloses above-mentioned technical scheme provides a mechanical arm for machine-building still has following technical characteristic:

as a preferred scheme of the utility model, the first tuber pipe of first tuber pipe give vent to anger the end with the second tuber pipe inlet end of second tuber pipe is through scalable ripple trachea series connection intercommunication, the second tuber pipe of second tuber pipe give vent to anger the end with the third tuber pipe inlet end of third tuber pipe is through scalable ripple trachea series connection intercommunication, simultaneously the first tuber pipe inlet end of first tuber pipe is connected through scalable ripple trachea and external high-pressure air pipeline, the third tuber pipe of third tuber pipe gives vent to anger the end and carries out the shutoff through the stopcock.

As another preferred scheme of the utility model be provided with air compressor on the base, air compressor's gas outlet through scalable ripple trachea with first tuber pipe inlet end is connected.

As another preferable scheme of the present invention, a dust suction port is provided on the side wall of the third arm, and a dust suction pipe is provided at the rear end of the dust suction port; a dust collection connecting pipe is arranged on the side wall of the second section arm, and the rear end port of the dust collection connecting pipe is connected with the dust collection pipe through a telescopic corrugated air pipe; the base is provided with an exhaust fan and a dust removal box, the air inlet of the exhaust fan is communicated with the rear end pipe of the dust removal box, and the front end pipe of the dust removal box is communicated with the front port of the dust collection connecting pipe through a telescopic corrugated air pipe.

As another preferable scheme of the utility model, a dust collecting box is arranged at the lower side of the dust collecting box, and a filter element is movably arranged above the dust collecting box.

As another preferred embodiment of the present invention, an insertion groove is provided inside the dust-removing box, the filter element is slidably inserted into the insertion groove, and the filter element is inclined toward the front end pipe.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the utility model discloses a first tuber pipe, second tuber pipe, third tuber pipe that set up can be in the arm course of work, and the high-pressure air of continuous output to the rotation installation gap department of arm to avoid the smoke and dust granule that produces in the arm carries out welding work to fall into the gap department and cause the arm flexibility to descend, also avoid the welding slag piece that the arm produced in welding work to collapse to the rotation installation gap department of arm simultaneously, thereby avoided it to cause the jamming to the arm, reduced the fault rate of arm; simultaneously the utility model discloses a dust absorption mouth, dust absorption pipe and air exhauster, the dust removal box that set up can filter the waste gas that the welding produced in the course of working of arm in through dust absorption mouth suction dust removal box to can improve arm work area's air quality, reduce the harm that brings peripheral staff's health.

Drawings

Fig. 1 is a schematic diagram of the right-view overall structure of the present invention;

fig. 2 is a left-side view of the overall structure of the present invention;

fig. 3 is a schematic structural view of the rotating arm of the present invention;

fig. 4 is a schematic structural view of a first arm section of the present invention;

fig. 5 is a schematic view of the internal structure of the dust-removing box of the present invention.

Wherein, the correspondence between the reference numbers and the part names in fig. 1 to 5 is:

1 base, 2 swinging arms, 201 first tuber pipe, 2011 first tuber pipe inlet end, 2012 first tuber pipe outlet end, 2013 first tuber pipe air nozzle, 3 first festival arm, 301 second tuber pipe, 3011 second tuber pipe outlet end, 3012 second tuber pipe inlet end, 3013 second tuber pipe air nozzle, 4 second festival arm, 401 third tuber pipe, 4011 third tuber pipe inlet end, 4012 third tuber pipe outlet end, 4013 third tuber pipe air nozzle, 402 dust absorption connecting pipe, 4021 rear port, 4022 front port, 5 third festival arm, 501 dust absorption port, 502 dust absorption pipe, 6 centre gripping arms, 7 welder, 8 first motor, 9 second motor, 10 third motor, 11 air compressor, 1101 gas outlet, 12 exhaust fan, 13 dust removal box, 1301 front end pipe, 1302 rear end pipe, 1303 filter core, 1304 dust collection box.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

Embodiments of the present invention are described below with reference to fig. 1 to 5.

As shown in fig. 1, the mechanical arm for machine manufacturing includes a base 1, a rotating arm 2, a first arm 3, a second arm 4, a third arm 5, a clamping arm 6 and a welding gun 7, wherein the rotating arm 2 is rotatably installed on the base 1, the first arm 3 is rotatably installed at the upper end of the rotating arm 2, a first motor 8 is arranged on a rotating shaft which is rotatably installed, the second arm 4 is rotatably installed at the upper end of the first arm 3, a second motor 9 is arranged on the rotating shaft which is rotatably installed, the third arm 5 is coaxially rotatably installed at the front end of the second arm 4, a motor is arranged inside the second arm 4, the clamping arm 6 is rotatably installed at the front end of the third arm 5, a third motor 10 is arranged on the rotating shaft which is rotatably installed, and the welding gun 7 is clamped by the clamping arm 6. Here, the above structure is the prior art, and will not be described in detail herein.

As shown in fig. 1, 3 and 4, a first air duct 201 is disposed at the upper end of the rotating arm 2, a second air duct 301 is disposed at the upper end of the first arm section 3, a third air duct 401 is disposed at the front end of the second arm section 4, a plurality of first air duct air nozzles 2013 are disposed on the surface of the first air duct 201, a plurality of second air duct air nozzles 3013 are disposed on the surface of the second air duct 301, a plurality of third air duct air nozzles 4013 are disposed on the surface of the third air duct 401, each first air duct air nozzle 2013 faces the rotating installation gap between the rotating arm 2 and the first arm section 3, each second air nozzle 3013 faces the rotating installation gap between the first arm section 3 and the second arm section 4, and each third air duct air nozzle 4013 faces the rotating installation gap between the second arm section 4 and the third arm section 5. The first air pipe air outlet end 2012 of the first air pipe 201 and the second air pipe air inlet end 3012 of the second air pipe 301 are communicated in series through a telescopic corrugated air pipe, the second air pipe air outlet end 3011 of the second air pipe 301 and the third air pipe air inlet end 4011 of the third air pipe 401 are communicated in series through a telescopic corrugated air pipe, meanwhile, the first air pipe air inlet end 2011 of the first air pipe 201 is connected with an external high-pressure air pipeline through a telescopic corrugated air pipe, and the third air pipe air outlet end 4012 of the third air pipe 401 is plugged through a pipe plug, so that high-pressure air in the external high-pressure air pipeline can enter through the first air pipe air inlet end 2011, then the second air pipe 301 and the third air pipe 401 are sequentially connected in series and sprayed out of each first air pipe air nozzle 2013, each second air nozzle 3013 and each third air pipe air nozzle 4013, and therefore, the air is sprayed out of a rotating mounting gap between the rotating arm 2 and the first knuckle arm 3, High-pressure air flow is formed at the rotating installation gap between the first section arm 3 and the second section arm 4 and at the rotating installation gap between the second section arm 4 and the third section arm 5, so that smoke particles produced when the mechanical arm clamps a welding gun 7 for welding operation are prevented from falling to the gap, and the mechanical arm is plugged into the gap along with the rotation of the mechanical arm, so that the flexibility of the mechanical arm is reduced; meanwhile, the broken welding slag can be prevented from falling into the gap, and the situation that the broken welding slag is blocked to the rotating shaft along with the rotation of the mechanical arm to cause the clamping stagnation of the mechanical arm is further avoided.

In a preferred embodiment, shown in FIG. 1, an air compressor 11 is provided on the base 1, and the air compressor 11 may be of the Ruitou RTZC-B2-C500 type. The air outlet 1101 of the air compressor 11 is connected with the air inlet 2011 of the first air duct through a telescopic corrugated air pipe. Therefore, high-pressure air can be provided for the first air pipe 201, the second air pipe 301 and the third air pipe 401 through the operation of the air compressor 11, and the workshop without laying high-pressure air pipelines can be used more conveniently.

In a preferred embodiment, as shown in fig. 2, a dust suction port 501 is provided on the side wall of the third arm section 5, and a dust suction pipe 502 is provided at the rear end of the dust suction port 501; a dust collection connecting pipe 402 is arranged on the side wall of the second arm section 4, and a rear port 4021 of the dust collection connecting pipe 402 is connected with a dust collection pipe 502 through a telescopic corrugated air pipe; an exhaust fan 12 and a dust collection box 13 are arranged on the base 1, the air inlet of the exhaust fan 12 is communicated with a rear end pipe 1302 of the dust collection box 13, and a front end pipe 1301 of the dust collection box 13 is communicated with a front port 4022 of the dust collection connecting pipe 402 through a telescopic corrugated air pipe. The exhaust fan 12 works, so that negative pressure suction is generated at the position of the dust suction port 501, waste gas generated by welding the welding gun 7 of the mechanical arm is sucked, the waste gas is filtered by the dust removal box 13, micro particles in the waste gas are effectively filtered, the waste gas is discharged to the outside again, and the air quality in a workshop or a factory building can be effectively improved. As shown in fig. 5, a dust collecting box 1304 is arranged on the lower side of the dust collecting box 13, an insertion groove is arranged above the dust collecting box 1304, a filter element 1303 is inserted in the insertion groove in a sliding manner, the filter element 1303 is obliquely arranged in the direction of the front end pipe 1301, the dust collecting box 1304 is positioned below the filter element 1303, so that waste gas entering from the front end pipe 1301 can enter the rear end pipe 1302 after being filtered by the filter element 1303, filtered particles can fall into the dust collecting box 1304 below after stopping working, and the side wall of the dust collecting box 13 can be taken down to clean the dust collecting box 1304 or replace the filter element 1303.

The working principle is as follows:

when the mechanical arm works, the first air pipe air inlet end 2011 of the first air pipe 201 is connected with the air outlet 1101 of the external high-pressure air pipeline or the air compressor 11, so that high-pressure air can be sprayed out of each rotating installation gap through the first air pipe air nozzle 2013, the second air pipe air nozzle 3013 and the third air pipe air nozzle 4013, and therefore smoke dust particles or welding slag chips are prevented from falling into the rotating installation gaps, and meanwhile, accumulated dust can be blown away when the mechanical arm does not work.

By starting the exhaust fan 12, waste gas generated by the welding gun 7 can be sucked into the dust removal box 13 through the dust removal port 501, and after being filtered by the filter element 1303 in the dust removal box 13, micro particles in the waste gas can be greatly reduced, so that the air quality in a workshop is improved.

In the present application, the terms "first", "second", and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art. The terms "upper surface", "lower surface", "front", "rear", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be construed as limiting.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a mechanical arm for machine-building, includes base (1), swinging boom (2), first festival arm (3), second festival arm (4), third festival arm (5), centre gripping arm (6) and welder (7), swinging boom (2) rotate to be installed on base (1), first festival arm (3) rotate to be installed swinging boom (2) upper end, second festival arm (4) rotate to be installed first festival arm (3) upper end, third festival arm (5) coaxial rotation is installed the front end of second festival arm (4), centre gripping arm (6) rotate to be installed the front end of third festival arm (5), welder (7) by centre gripping arm (6) centre gripping, its characterized in that: a first air pipe (201) is arranged at the upper end of the rotating arm (2), a second air pipe (301) is arranged at the upper end of the first section of arm (3), a third air pipe (401) is arranged at the front end of the second section arm (4), a first air pipe air nozzle (2013) is arranged on the surface of the first air pipe (201), a second air duct air nozzle (3013) is arranged on the surface of the second air duct (301), a third air duct air nozzle (4013) is arranged on the surface of the third air duct (401), the first air pipe air nozzle (2013) faces to a rotating installation gap between the rotating arm (2) and the first section arm (3), the second air pipe air nozzle (3013) faces to the rotating installation gap of the first section arm (3) and the second section arm (4), the third air pipe air nozzle (4013) faces to a rotary mounting gap between the second section arm (4) and the third section arm (5); first tuber pipe (201), second tuber pipe (301) and establish ties the intercommunication through scalable ripple trachea between third tuber pipe (401), the one end and the external high-pressure air pipeline of the gas circuit free end after establishing ties are connected simultaneously, other end shutoff.

2. The robot arm for machine building according to claim 1, wherein: first tuber pipe of first tuber pipe (201) give vent to anger end (2012) with second tuber pipe inlet end (3012) of second tuber pipe (301) establish ties the intercommunication through scalable ripple trachea, the second tuber pipe of second tuber pipe (301) give vent to anger end (3011) with third tuber pipe inlet end (4011) of third tuber pipe (401) establish ties the intercommunication through scalable ripple trachea, simultaneously first tuber pipe inlet end (2011) of first tuber pipe (201) are connected through scalable ripple trachea and external high-pressure air pipeline, the third tuber pipe of third tuber pipe (401) gives vent to anger end (4012) and carries out the shutoff through the stopcock.

3. The robot arm for machine building according to claim 2, wherein: the air compressor (11) is arranged on the base (1), and an air outlet (1101) of the air compressor (11) is connected with an air inlet end (2011) of the first air pipe through a telescopic corrugated air pipe.

4. A robot arm for machine building according to claim 1 or 3, wherein: a dust suction port (501) is formed in the side wall of the third arm (5), and a dust suction pipe (502) is arranged at the rear end of the dust suction port (501); a dust collection connecting pipe (402) is arranged on the side wall of the second section arm (4), and a rear port (4021) of the dust collection connecting pipe (402) is connected with the dust collection pipe (502) through a telescopic corrugated air pipe; be provided with air exhauster (12) and dust removal box (13) on base (1), the air inlet of air exhauster (12) with rear end pipe (1302) of dust removal box (13) are linked together, dust removal box's (13) front end pipe (1301) through scalable ripple trachea with front port (4022) of dust absorption connecting pipe (402) are linked together.

5. The robot arm for machine-building according to claim 4, wherein: a dust collecting box (1304) is arranged at the lower side of the dust removing box (13), and a filter element (1303) is movably arranged above the dust collecting box (1304).

6. The robot arm for machine-building according to claim 5, wherein: an inserting groove is formed in the dust removal box (13), the filter element (1303) is inserted in the inserting groove in a sliding mode, and meanwhile the filter element (1303) is obliquely arranged towards the front end pipe (1301).