CN113059499B

CN113059499B - Safety device is used in machine parts processing

Info

Publication number: CN113059499B
Application number: CN202110474789.4A
Authority: CN
Inventors: 陈刚; 王熔
Original assignee: Avic Power Zhuzhou Aviation Parts Manufacturing Co ltd
Current assignee: Hunan Xingtu Aerospace And Spacecraft Manufacturing Co ltd
Priority date: 2021-04-29
Filing date: 2021-04-29
Publication date: 2022-02-18
Anticipated expiration: 2041-04-29
Also published as: CN113059499A

Abstract

The invention belongs to the field of machining, and particularly relates to a safety protection device for machining of mechanical parts. According to the invention, through the enclosure formed by the multiple groups of the first lifting plates and the second lifting plates, shielding protection can be carried out in the working process, so that scraps cannot splash to four sides, meanwhile, in the rotating process, the mechanical arm can trigger the proximity switch when rotating to a specified position, so that information can be fed back to the processing chip, the processing chip starts the first electric push rod at the corresponding position to work, so that the first lifting plate or the second lifting plate at the corresponding position is driven to descend, so that the mechanical arm has enough activity space, shielding can be carried out maximally, and the condition of scrap splashing is avoided.

Description

Safety device is used in machine parts processing

Technical Field

The invention relates to the field of machining, in particular to a safety protection device for machining mechanical parts.

Background

Since the advent of machinery, there have been corresponding mechanical parts. But as a discipline, the mechanical parts are separated from the mechanical structure and mechanics. With the development of the mechanical industry, new design theories and methods, new materials and new processes appear, and mechanical parts enter a new development stage. Theories such as finite element methods, fracture mechanics, elastohydrodynamic lubrication, optimization design, reliability design, computer-aided design, solid modeling, system analysis, and design methodology have been increasingly used in the research and design of mechanical parts. The method has the advantages that the integration of various disciplines is better realized, the combination of macroscopicity and microcosmicity is realized, new principles and structures are sought, more dynamic design and precise design are adopted, an electronic computer is more effectively utilized, and design theories and methods are further developed, so that the important trend of the development of the disciplines is realized.

Present machine parts often need protect when adding man-hour, machine parts is when polishing, in order to avoid the piece to cause the injury to staff on every side, often can utilize the protection casing to protect, but present protection casing structure is more fixed, the condition of influence operation appears easily, current machine parts is at the in-process of polishing, often realize automatic polishing through robotic arm, however, in order to prevent the various angle operations that influence robotic arm, thereby often can set up the great protection casing of opening, the protecting effect is general, the piece that polishes the production can splash at will, and the in-process of polishing, can produce bad smell and harmful gas, thereby can cause the pollution to the surrounding environment, the piece needs later stage clearance simultaneously, the higher working strength of staff has been caused. For this reason, new technical solutions need to be designed to solve the problem.

Disclosure of Invention

The invention aims to provide a safety protection device for machining mechanical parts, which solves the problems in the background art.

In order to achieve the purpose, the invention provides the following technical scheme: a safety protection device for machining mechanical parts comprises a bottom frame, wherein a support plate is fixedly connected to the side wall of the bottom frame, a limiting frame is fixedly connected to the top of the support plate, multiple groups of identical first lifting plates and multiple groups of identical second lifting plates are respectively installed on the inner wall of the limiting frame, first grooves are formed in the tops of the first lifting plates and the second lifting plates, proximity switches are fixedly installed in the inner cavities of the first grooves, second grooves are formed in the bottoms of the first lifting plates and the second lifting plates, a first electric push rod is fixedly installed in the inner cavity of each second groove, the tail end of the first electric push rod is fixedly installed at the top of the bottom frame, and a processing chip is fixedly installed on the outer wall of the support plate;

the cavity has been seted up to the lateral wall of first lifter plate and second lifter plate, the inner chamber upside fixed mounting of cavity has active carbon filter screen and high-efficient HEPA filter screen, the through-hole has been seted up to the inner chamber left side wall downside of cavity, it has the fan to peg graft in the through-hole, the exhaust hole has been seted up to the inner chamber right side wall upside of cavity, the spacing spout of second has been seted up to the inner wall downside of first lifter plate and second lifter plate, the inner chamber of the spacing spout of second is pegged graft and is had spacing slider, the bottom fixedly connected with second electric push rod of spacing slider, the tail end fixed mounting of second electric push rod is in the inner chamber bottom of the spacing spout of second, the outer wall fixedly connected with receipts flitch of spacing slider.

As a preferred embodiment of the present invention, a first guide groove is formed in a position of an inner wall of the limit frame corresponding to the first lifting plate, a first guide strip is connected to an inner cavity of the first guide groove in a limiting and sliding manner, the first guide strip is fixedly connected to the corresponding first lifting plate, a second guide groove is formed in a position of the inner wall of the limit frame corresponding to the second lifting plate, a second guide strip is connected to an inner cavity of the second guide groove in a limiting and sliding manner, and the second guide strip is fixedly connected to the corresponding second lifting plate.

In a preferred embodiment of the present invention, the signal output terminal of the proximity switch is connected to the signal input terminal of the processing chip, and the signal output terminal of the processing chip is connected to the signal input terminals of the first electric push rod and the second electric push rod.

In a preferred embodiment of the present invention, the bottom of the material receiving plate is communicated with a hose, a dust collector is fixedly mounted on the outer wall of the bottom frame, the dust collector is communicated with a dust collecting pipe, and the dust collecting pipe is communicated with the plurality of groups of hoses.

As a preferred embodiment of the present invention, the bottom frame has mounting holes for mounting and fixing at four corners of a surface thereof.

In a preferred embodiment of the present invention, a sealing door for sealing the cavity is hinged to the opening of the cavity by a hinge.

As a preferred embodiment of the present invention, the first guide strip and the second guide strip are both T-shaped strips capable of defining a track, and the lengths of the first guide strip and the second guide strip are the same as the lengths of the first lifting plate and the second lifting plate, respectively.

In a preferred embodiment of the present invention, the width of the first lifting plate and the width of the second lifting plate are both the same as the width of the receiving plate.

Compared with the prior art, the invention has the following beneficial effects:

1. according to the invention, through the enclosure formed by the multiple groups of the first lifting plates and the second lifting plates, shielding protection can be carried out in the working process, so that scraps cannot splash to four sides, meanwhile, in the rotating process, the mechanical arm can trigger the proximity switch when rotating to a specified position, so that information can be fed back to the processing chip, the processing chip starts the first electric push rod at the corresponding position to work, so that the first lifting plate or the second lifting plate at the corresponding position is driven to descend, so that the mechanical arm has enough activity space, shielding can be carried out maximally, and the condition of scrap splashing is avoided.

2. According to the invention, in the process of lifting the first lifting plate or the second lifting plate, the corresponding second electric push rods can drive the corresponding material collecting plates to adjust the positions, so that the positions of the material collecting plates are always kept with those of other material collecting plates, and a space for collecting waste materials can be formed by a plurality of groups of material collecting plates, so that the waste materials impacting on the inner wall of the first lifting plate or the second lifting plate can be collected, and meanwhile, the debris can be collected by the dust collector, so that manual recollection is not needed, the debris collecting efficiency is improved, and the fatigue strength of workers is reduced.

3. The fan arranged in the inner cavities of the first lifting plate and the second lifting plate can extract waste gas, so that the waste gas is filtered by the activated carbon filter screen and the high-efficiency HEPA filter screen, harmful impurities and peculiar smell can be removed, and the pollution to the surrounding environment is avoided.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic view of the overall structure of a safety protection device for machining mechanical parts according to the present invention;

FIG. 2 is a schematic structural view of a limiting frame of the safety protection device for machining mechanical parts according to the present invention;

FIG. 3 is a schematic view of a connection structure of a first lifting plate and a first electric push rod of the safety protection device for machining mechanical parts according to the present invention;

FIG. 4 is a schematic cross-sectional view of a first lifter plate of the safety device for machining mechanical parts according to the present invention;

fig. 5 is a schematic structural view of a bottom frame of the safety device for machining mechanical parts according to the present invention.

In the figure: 1. a bottom frame; 2. a support plate; 3. a limiting frame; 4. a first lifter plate; 5. a second lifter plate; 6. a first electric push rod; 7. processing the chip; 8. a first guide groove; 9. a first guide bar; 10. a second guide groove; 11. a second guide bar; 12. a first groove; 13. a proximity switch; 14. a second groove; 15. a cavity; 16. a high-efficiency HEPA filter screen; 17. an active carbon filter screen; 18. a through hole; 19. a fan; 20. an exhaust hole; 21. a material collecting plate; 22. a second limiting chute; 23. a limiting slide block; 24. a second electric push rod; 25. a hose; 26. a vacuum cleaner; 27. a dust suction pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

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, are merely for convenience in describing the present invention and simplifying the 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 thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can, for example, be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. For those skilled in the art, the specific meaning of the above terms in the present invention can be understood in specific situations, the model of the electrical appliance provided in the present invention is only referred to, and different models of electrical appliances with the same function can be replaced according to the actual use situation.

Referring to fig. 1-5, the present invention provides a technical solution: a safety protection device for machining mechanical parts comprises a bottom frame 1, wherein a support plate 2 is fixedly connected to the side wall of the bottom frame 1, a limit frame 3 is fixedly connected to the top of the support plate 2, a plurality of groups of identical first lifting plates 4 and a plurality of groups of identical second lifting plates 5 are respectively installed on the inner wall of the limit frame 3, the first lifting plates 4 and the second lifting plates 5 form a protection ring in a wrapping mode, so that the protection ring can be protected in an omnibearing manner, first grooves 12 are respectively formed in the tops of the first lifting plates 4 and the second lifting plates 5, proximity switches 13 are fixedly installed in inner cavities of the first grooves 12, second grooves 14 are respectively formed in the bottoms of the first lifting plates 4 and the second lifting plates 5, first electric push rods 6 are fixedly installed in inner cavities of the second grooves 14, tail ends of the first electric push rods 6 are fixedly installed at the top of the bottom frame 1, processing chips 7 are fixedly installed on the outer wall of the support plate 2, the proximity switch 13 can feed back a signal to the processing chip 7 when the mechanical arm approaches, and the processing chip 7 can enable the corresponding first electric push rod 6 to drive the first lifting plate 4 or the second lifting plate 5 to descend;

the side walls of the first lifting plate 4 and the second lifting plate 5 are provided with a cavity 15, the upper side of the inner cavity of the cavity 15 is fixedly provided with an active carbon filter screen 17 and a high-efficiency HEPA filter screen 16 which can filter harmful impurities and remove peculiar smell to avoid causing air pollution, the lower side of the left side wall of the inner cavity of the cavity 15 is provided with a through hole 18, a fan 19 is inserted in the through hole 18, the fan 19 can suck air, the upper side of the right side wall of the inner cavity of the cavity 15 is provided with an exhaust hole 20, the lower sides of the inner walls of the first lifting plate 4 and the second lifting plate 5 are provided with a second limiting sliding groove 22, an inner cavity of the second limiting sliding groove 22 is inserted with a limiting slide block 23, the bottom of the limiting slide block 23 is fixedly connected with a second electric push rod 24, the tail end of the second electric push rod 24 is fixedly arranged at the bottom of the inner cavity of the second limiting sliding groove 22, the outer wall of the limiting slide block 23 is fixedly connected with a material receiving plate 21, the material receiving plate 21 can collect splashed waste materials;

the signal output end of the proximity switch 13 is connected with the signal input end of the processing chip 7, and the signal output end of the processing chip 7 is connected with the signal input ends of the first electric push rod 6 and the second electric push rod 24;

the bottom of the material collecting plate 21 is communicated with a hose 25, a dust collector 26 is fixedly mounted on the outer wall of the bottom frame 1, the dust collector 26 is communicated with a dust collecting pipe 27, the dust collecting pipe 27 is communicated with a plurality of groups of hoses 25, and the dust collector 26 can generate negative pressure to suck and collect the debris on the surface of the material collecting plate 21.

When the device is used, the bottom frame is firstly sleeved outside the workpiece clamping part, so that a protective cover can be formed by a plurality of groups of first lifting plates 4 and second lifting plates 5 for protection, when a mechanical arm needs to rotate and move to each part when operating, when the mechanical arm moves to one position, the first lifting plates 4 or the second lifting plates 5 are in trouble, at the moment, when the mechanical arm approaches to the first lifting plates 4 or the second lifting plates 5, the approach switch 13 feeds back a signal to the processing chip 7, so that the processing chip 7 starts the corresponding first electric push rod 6 to drive the corresponding first lifting plates 4 or the second lifting plates 5 to descend, so that the mechanical arm has enough operating space, and simultaneously, the other first lifting plates 4 or the second lifting plates 5 wrap the mechanical arm, so that the protection is more comprehensive, and simultaneously when the first lifting plates 4 or the second lifting plates 5 descend, second electric putter 24 can drive receipts flitch 21 and promote and other receipts flitch 21 remain same horizontal plane throughout, thereby can guarantee to form and accomodate the space, collect the waste material that the impact dropped behind first lifter plate 4 and second lifter plate 5 surface, dust catcher 26 work simultaneously, can absorb the waste material of collecting, and the in-process of polishing can produce waste gas, can extract waste gas through fan 19 and get into cavity 15, filter through activated carbon filter screen 17 and high-efficient HEPA filter screen 16, thereby avoid harmful gas and pungent smell to cause the pollution to the surrounding environment.

In an optional embodiment, a first guide groove 8 is formed in a position, corresponding to the first lifting plate 4, of an inner wall of the limiting frame 3, a first guide strip 9 is connected to an inner cavity of the first guide groove 8 in a limiting sliding manner, the first guide strip 9 is fixedly connected with the corresponding first lifting plate 4, a second guide groove 10 is formed in a position, corresponding to the second lifting plate 5, of the inner wall of the limiting frame 3, a second guide strip 11 is connected to an inner cavity of the second guide groove 10 in a limiting sliding manner, and the second guide strip 11 is fixedly connected with the corresponding second lifting plate 5.

It should be noted that the lifting tracks of the first lifting plate 4 and the second lifting plate 5 can be defined by the first guide strip 9 and the second guide strip 11, so that the stability of lifting is ensured.

In an optional embodiment, the bottom frame 1 has mounting holes for fixing at four corners of the surface.

It should be noted that, the base 1 is convenient to mount and fix.

In an alternative embodiment, a sealing door for sealing the cavity 15 is hinged to the opening of the cavity 15.

It should be noted that the cavity 15 can be sealed by the sealing door, so as to ensure that the pumped gas can be filtered and then discharged.

In an alternative embodiment, the first guide strip 9 and the second guide strip 11 are both T-shaped strips capable of defining a track, and the lengths of the first guide strip 9 and the second guide strip 11 are the same as the lengths of the first lifting plate 4 and the second lifting plate 5, respectively.

It should be noted that, the arrangement of the T-shaped strips enables limiting, and the length is the same, so that sufficient lifting limiting conditions are ensured.

In an alternative embodiment, the width of the first lifting plate 4 and the second lifting plate 5 is the same as the width of the receiving plate 21.

It should be noted that, the material receiving plate 21 at the joint of the first lifting plate 4 and the second lifting plate 5 needs to be cut, so that it is ensured that the joints can be aligned with each other, and it is ensured that the material receiving plate 21 can form a receiving space without a large gap, and the chips are prevented from falling down.

In addition, the parts included in the safety protection device for machining mechanical parts are all universal standard parts or parts known by technicians in the field, the structure and the principle of the safety protection device are known by technicians in the field through technical manuals or conventional experimental methods, at the idle position of the safety protection device, all the electric devices refer to power elements, electric devices, adaptive monitoring computers and power supplies which are connected through leads, and specific connection means are provided.

While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a safety device is used in machine parts processing, includes underframe (1), its characterized in that: a support plate (2) is fixedly connected to the side wall of the bottom frame (1), a limit frame (3) is fixedly connected to the top of the support plate (2), a plurality of groups of identical first lifting plates (4) and a plurality of groups of identical second lifting plates (5) are respectively slidably mounted on the inner wall of the limit frame (3), a protective ring for wrapping is formed by the first lifting plates (4) and the second lifting plates (5) which are slidably mounted on the inner wall of the limit frame (3) in a surrounding manner, first grooves (12) are respectively formed in the tops of the first lifting plates (4) and the second lifting plates (5), proximity switches (13) are fixedly mounted in the inner cavities of the first grooves (12), second grooves (14) are respectively formed in the bottoms of the first lifting plates (4) and the second lifting plates (5), first electric push rods (6) are fixedly mounted in the inner cavities of the second grooves (14), the tail end of the first electric push rod (6) is fixedly arranged at the top of the bottom frame (1), and a processing chip (7) is fixedly arranged on the outer wall of the support plate (2);

the side walls of the first lifting plate (4) and the second lifting plate (5) are provided with a cavity (15), an active carbon filter screen (17) and a high-efficiency HEPA filter screen (16) are fixedly arranged on the upper side of the inner cavity of the cavity (15), a through hole (18) is arranged at the lower side of the left side wall of the inner cavity of the cavity (15), a fan (19) is inserted in the through hole (18), the upper side of the right side wall of the inner cavity of the cavity (15) is provided with an exhaust hole (20), a second limiting sliding groove (22) is arranged at the lower side of the inner wall of the first lifting plate (4) and the second lifting plate (5), a limit slide block (23) is inserted into the inner cavity of the second limit chute (22), the bottom of the limiting slide block (23) is fixedly connected with a second electric push rod (24), the tail end of the second electric push rod (24) is fixedly arranged at the bottom of the inner cavity of the second limiting sliding groove (22), the outer wall of the limiting sliding block (23) is fixedly connected with a material receiving plate (21);

the signal output end of the proximity switch (13) is connected with the signal input end of the processing chip (7), and the signal output end of the processing chip (7) is connected with the signal input ends of the first electric push rod (6) and the second electric push rod (24);

the width of the first lifting plate (4) and the width of the second lifting plate (5) are the same as the width of the material receiving plate (21).

2. The safety protection device for machining the mechanical part according to claim 1, wherein: spacing frame (3) inner wall corresponds first lead groove (8) have been seted up to the position of first lifter plate (4), the spacing sliding connection in inner chamber of first lead groove (8) has first gib block (9), first gib block (9) and corresponding first lifter plate (4) fixed connection, the inner wall of spacing frame (3) corresponds second lifter plate (5) department has seted up second guide groove (10), the spacing sliding connection in inner chamber of second gib block (10) has second gib block (11), second gib block (11) and corresponding second lifter plate (5) fixed connection.

3. The safety protection device for machining the mechanical part according to claim 1, wherein: the bottom of the material collecting plate (21) is communicated with a hose (25), the outer wall of the bottom frame (1) is fixedly provided with a dust collector (26), the dust collector (26) is communicated with a dust collecting pipe (27), and the dust collecting pipe (27) is communicated with a plurality of groups of hoses (25).

4. The safety protection device for machining the mechanical part according to claim 1, wherein: and the four corners of the surface of the bottom frame (1) are provided with mounting holes for mounting and fixing.

5. The safety protection device for machining the mechanical part according to claim 1, wherein: the opening of the cavity (15) is hinged with a sealing door used for sealing the cavity (15) through a hinge.

6. The safety protection device for machining the mechanical part according to claim 2, wherein: the first guide strip (9) and the second guide strip (11) are both T-shaped strips capable of defining tracks, and the lengths of the first guide strip (9) and the second guide strip (11) are respectively the same as those of the first lifting plate (4) and the second lifting plate (5).