CN117245186A - Welding protection device - Google Patents

Abstract

The invention discloses a welding protection device, and relates to the technical field of welding devices. Wherein, this welding protection device includes: a base; the feeding mechanisms are oppositely arranged on the upper surface of the base; the feeding mechanisms are respectively connected with the movable ends of the feeding mechanisms; the extension plate is horizontally arranged between the base and the feeding mechanism; the first lifting mechanism is vertically arranged on the upper surface of the extension plate and positioned in the extending direction of the central line among the feeding mechanisms; a plurality of second lifting mechanisms. The invention solves the problems that the existing back protection mode adopts a self-made simple protection cover, and the back protection is carried out in a mode of assisting personnel to lift, align and move along with the arc movement, and has the following defects: auxiliary staff is needed to be equipped, so that labor is wasted, and the auxiliary staff is required to have a certain welding experience to be matched with a welding operator, so that the problem of low efficiency is solved.

Description

Welding protection device

Technical Field

The disclosure relates to the technical field of welding devices, and in particular relates to a welding protection device.

Background

Stainless steel has excellent corrosion resistance and is generally selected as a material for equipment used in chemical, petroleum and other corrosive environments. When stainless steel is welded, argon or other suitable gas is required to be used for back protection to prevent the welding line and the heat affected zone from being oxidized, so that the corrosion resistance of the welding line and the heat affected zone is reduced, and the number of oxide impurities in the welding line metal is increased to adversely affect the mechanical properties of the welding line.

The existing back protection mode generally uses a self-made simple protection cover, and the back protection is carried out by assisting personnel in lifting, aligning and moving along with the arc movement, so that the following defects exist: auxiliary staff is needed to be equipped, so that labor is wasted, and the auxiliary staff is required to have a certain welding experience to be matched with a welding operator, so that the problem of low efficiency is solved. In view of the above-mentioned problems, no effective solution has been proposed yet.

Disclosure of Invention

The invention aims to: a welding protection device is provided to solve the above problems in the prior art.

The technical scheme is as follows: a weld protection device, comprising: a base; the feeding mechanisms are oppositely arranged on the upper surface of the base; the feeding mechanisms are respectively connected with the movable ends of the feeding mechanisms; the extension plate is horizontally arranged between the base and the feeding mechanism; the first lifting mechanism is vertically arranged on the upper surface of the extension plate and positioned in the extending direction of the central line among the feeding mechanisms; the second lifting mechanisms are symmetrically arranged on the extension plate relative to the first lifting mechanism and are respectively positioned outside the feeding mechanisms; the protection cover is connected with the first lifting mechanism; the air outlet channel is arranged on the upper surface of the first lifting mechanism and is communicated with the protective cover; and the product is conveyed to a first preset position through the feeding mechanism and the feeding mechanism respectively, and is adjusted to a second preset position through the first lifting mechanism and the second lifting mechanism respectively, so that the pre-welding channel position of the product is positioned right above the air outlet channel.

Preferably, the base includes: the T-shaped hollowed-out base is positioned on the same horizontal plane.

Preferably, the feeding mechanism includes: the shell is hollow, a plurality of support rods are arranged in the shell, a first driving component is arranged on the support rods along the feeding direction, a first connecting plate is arranged at the output end of the first driving component, L-shaped connecting blocks are respectively arranged at two sides of the first connecting plate, the tops of the two L-shaped connecting blocks are connected through a horizontally arranged mounting plate, the mounting plate is positioned above the shell, sliding rail assemblies are respectively arranged at the bottoms of the two L-shaped connecting blocks, and the sliding rail assemblies are connected with the upper surfaces of the support rods; the first driving part provides driving force to drive the mounting plate to reciprocate along the feeding direction, and the mounting plate drives the product to feed.

Preferably, the feeding mechanism includes: two opposite fixed plates connected with the upper surface of the mounting plate, two rotating shafts are respectively arranged between the two fixed plates and close to one side of the top, rotating wheels are respectively arranged on the rotating shafts, one side of each rotating shaft is provided with a second driving part connected with one fixed plate, and the output ends of the two rotating wheels and the contact surface of the product are positioned on the same horizontal plane.

Preferably, the first lifting mechanism includes: the base plate that links to each other with extension board upper surface, be provided with two first backup pads on the base plate perpendicularly, two first backup pad sets up along the perpendicular to feeding direction is relative, two first backup pad top is provided with the second connecting plate, be provided with two first lifting assembly along feeding direction relatively on the second connecting plate, the height of first lifting assembly is higher than feeding mechanism's height.

Preferably, the first lifting assembly includes: the feeding device comprises a first linear bearing, two first linear bearings and two second linear bearings, wherein the first linear bearings are arranged on two sides of a second connecting plate along the feeding direction, the two first linear bearings are respectively positioned on the outer sides of a first supporting plate, two first guide posts are respectively and vertically arranged on the first linear bearings, a first workbench is horizontally arranged at the top of each first guide post, a third driving part is arranged at the bottom of the second connecting plate, and the output end of each third driving part is connected with the center of the corresponding first workbench through a bearing.

Preferably, the second lifting mechanism includes: the two second support plates connected with the upper surface of the extension plate are oppositely arranged along the direction perpendicular to the feeding direction, a third connecting plate is arranged at the top of the second support plate, second linear bearings are arranged on two sides of the third connecting plate along the feeding direction, the second linear bearings are respectively located at the outer sides of the second support plate, two second guide posts are respectively vertically arranged on the second linear bearings, a second workbench is horizontally arranged at the top of each second guide post, a fourth driving part is arranged at the bottom of the third connecting plate, and the output end of the fourth driving part is connected with the center of the second workbench through a second bearing.

Preferably, the protective cover includes: the first protection shell and the second protection shell are respectively connected with the bottoms of the first working tables of the two first lifting assemblies, the first protection shell and the second protection shell are oppositely arranged and enclose to form a hollow accommodating cavity, sealing parts are arranged at adjacent junctions of the first protection shell and the second protection shell, a gas outlet pipe corresponding to the position of the gas outlet channel is arranged in the hollow accommodating cavity, and one end of the gas outlet pipe is communicated with the gas inlet.

Preferably, the top of the two second lifting mechanisms is respectively provided with a clamping mechanism, and the clamping mechanism comprises: the bending plate, the bending plate top is provided with spacing part towards the second connecting plate.

Preferably, a vertical support is arranged on the base and adjacent to the first lifting mechanism, and a manipulator is arranged on the vertical support.

The beneficial effects are that: in this application embodiment, adopt the mode of mechanical clamping welding protection, respectively through feed mechanism with feed mechanism carries the product to first preset position, and respectively through first elevating system with second elevating system adjusts the product to second preset position, so that the pre-weld way position of product is located directly over the passageway of giving vent to anger has reached the purpose of adjusting the product to required welding position, thereby has realized the technical effect of automatic welding protection, and then has solved the back protection mode that adopts at present, generally uses self-made simple and easy safety cover, carries out the back protection through auxiliary personnel lift, aim at and follow electric arc removal and remove the mode, has following shortcoming: auxiliary staff is needed to be equipped, so that labor is wasted, and the auxiliary staff is required to have a certain welding experience to be matched with a welding operator, so that the technical problem of low efficiency is caused.

Drawings

FIG. 1 is a schematic perspective view of a welding protector of the present invention;

FIG. 2 is a front view of the weld protection device of the present invention;

FIG. 3 is a right side view of the weld protection device of the present invention;

FIG. 4 is a top view of the weld protection device of the present invention;

FIG. 5 is a schematic perspective view of the lifting mechanism of the welding protection device of the present invention;

FIG. 6 is a rear view of the lift mechanism of the weld protection device of the present invention;

FIG. 7 is a schematic view of the inside of the lifting mechanism of the welding protection device of the present invention;

FIG. 8 is a right side view of the inside of the lifting mechanism of the welding protection device of the present invention;

FIG. 9 is a front view of a first lift mechanism of the weld protecting apparatus of the present invention;

fig. 10 is a schematic view showing the internal structure of a casing of the welding protector of the present invention.

The reference numerals are: 10. a base; 101. a first section steel; 102. a second section steel; 20. a feeding mechanism; 201. a housing; 202. a support rod; 203. a first driving part; 204. a first connection plate; 205. an L-shaped connecting block; 206. a mounting plate; 207. a slide rail assembly; 30. a feeding mechanism; 301. a fixing plate; 302. a rotating shaft; 303. a rotating wheel; 304. a second driving part; 40. an extension plate; 50. a first lifting mechanism; 501. a substrate; 502. a first support plate; 503. a second connecting plate; 504. a first lifting assembly; 505. a first linear bearing; 506. a first work table; 507. a first guide post; 508. a third driving part; 509. a bearing; 60. a second lifting mechanism; 601. a second support plate; 602. a third connecting plate; 603. a second linear bearing; 604. a second guide post; 605. a second work table; 606. a fourth driving part; 607. a second bearing; 70. a protective cover; 701. a first protective housing; 702. a second protective housing; 703. a gas outlet pipe; 704. a gas inlet; 80. an air outlet channel; 90. a clamping mechanism; 901. a bending plate; 902. a limiting member; 100. a vertical bracket; 110. and a manipulator.

Detailed Description

In order to make the present application solution better understood by those skilled in the art, the following description will clearly and completely describe the technical solution in the embodiments of the present application with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, shall fall within the scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe the embodiments of the present application described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Furthermore, the terms "mounted," "configured," "provided," "connected," "coupled," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

As shown in fig. 1-4, the present application relates to a welding protection device. The welding protection device includes: a base 10; the base 10 is a bottom supporting seat, and can achieve good bottom fixing and supporting effects; meanwhile, the assembly effect of other parts can be realized, so that a good part matching effect is realized. Preferably, the base 10 is made of section steel; can provide good physical properties, thereby ensuring structural stability.

The feeding mechanisms 20 are oppositely arranged on the upper surface of the base 10; by respectively assembling a plurality of feeding mechanisms 20 on the base 10, a good automatic feeding effect can be realized, so that the effect of improving the production efficiency is realized; meanwhile, by providing the feeding mechanism 20, it is possible to convey the product to be processed from the initial position to the designated position, thereby achieving the effect of facilitating other operations. In the present application, the running direction of the feeding mechanism 20 is the feeding direction; the effect of increasing the feeding stroke can be achieved, thereby achieving the effect of improving the space utilization rate. It should be understood that the effect of synchronous feeding can be achieved by arranging the plurality of feeding mechanisms 20 on the base 10 in a relative manner. Preferably, the number of the feeding mechanisms 20 is two; the effect of synchronous conveying of products can be realized. Of course, the specific number of applications may be adjusted according to the application requirements, and is not limited in this application.

The feeding mechanisms 30 are respectively connected with the movable ends of the two feeding mechanisms 20; through be provided with feed mechanism 30 on a plurality of feed mechanism 20 respectively, can realize good material and feed the effect to realize the effect of horizontal position adjustment, and then adjust the position of product to required position, finally realize the effect of being convenient for weld. Preferably, the number of the feeding mechanisms 30 is two, wherein one group consists of the feeding mechanisms 30 which are oppositely arranged, and the feeding directions are the same; in addition, the feeding directions of a group of feeding mechanisms 30 which are adjacently arranged are in the same direction, and the feeding directions of the feeding mechanisms 30 of two adjacent groups are opposite; the two-direction position adjustment can be realized, so that the effect of flexible adjustment is realized. Of course, the specific number of applications may be adjusted according to the application requirements, and is not limited in this application.

The extension plate 40 is horizontally arranged between the base 10 and the feeding mechanism 20; by assembling the extension plate 40 on the base 10, an effect of increasing a contact area can be achieved, thereby achieving a good assembly effect; simultaneously, the effect of other parts firm installation can also be convenient for to realize improving the stability of structure.

The first lifting mechanism 50 is vertically arranged on the upper surface of the extension plate 40 and is positioned in the extending direction of the central line among the feeding mechanisms 20; through the first elevating system 50 of being assembled at the upper surface of extension board 40, can realize good lift effect to realize the effect of welding position adjustment, and then can satisfy the effect of multiple service scenario. At the same time, the first elevating mechanism 50 is provided at the intermediate position of the plurality of loading mechanisms 20, and the effect of facilitating centering can be achieved.

A plurality of second lifting mechanisms 60 symmetrically disposed on the extension plate 40 with respect to the first lifting mechanism 50, and respectively located outside the plurality of feeding mechanisms 30; by arranging a plurality of second lifting mechanisms 60 on the upper surface of the extension plate 40 and respectively positioned on the outer sides of the plurality of feeding mechanisms 30, a good auxiliary position adjusting effect can be realized, so that the products to be welded are ensured to be positioned at the same horizontal position; the stability of placing the product can be improved, so that guarantee is provided for improving welding precision. Preferably, the number of the second lifting mechanisms 60 is two; the stability of product placement can be improved. Of course, the specific number of applications may be adjusted according to the application requirements, and is not limited in this application.

A protective cover 70 connected to the first elevating mechanism 50; by providing the protective cover 70 on the first elevating mechanism 50, a good welding gas containing effect can be achieved, and thus a good backing gas protecting effect can be achieved at the time of welding. Preferably, the protective cover 70 has a rectangular parallelepiped shape; good component and shielding gas accommodating effects can be ensured.

The air outlet channel 80 is arranged on the upper surface of the first lifting mechanism 50 and is communicated with the protective cover 70; through offer the passageway of giving vent to anger 80 at the upper surface of first elevating system 50, can realize good shielding gas circulation effect to realize accurate effect on the welding product back, and then realize good back gas protection effect.

The product is conveyed to a first preset position by the feeding mechanism 20 and the feeding mechanism 30, and is adjusted to a second preset position by the first lifting mechanism 50 and the second lifting mechanism 60, so that a pre-welding channel position of the product is located right above the air outlet channel 80. Firstly, the positions of the products to be welded are respectively adjusted to be right above the air outlet channel 80 of the first lifting mechanism 50 along the feeding direction and along the horizontal direction and perpendicular to the feeding direction by the feeding mechanisms 20 and 30, and are lifted to preset positions by the second lifting mechanisms 60, so that the products to be welded are positioned on the same horizontal plane and cannot be displaced in the horizontal direction, and further, the guarantee is provided for the subsequent welding precision.

From the above description, it can be seen that the following technical effects are achieved:

in this embodiment of the present application, a mechanical clamping and welding protection manner is adopted, products are conveyed to a first preset position through two feeding mechanisms 20 and two feeding mechanisms 30 respectively, and the products are adjusted to a second preset position through the first lifting mechanism 50 and two second lifting mechanisms 60 respectively, so that the position of a pre-welding channel of the products is located right above the air outlet channel 80, the purpose of adjusting the products to a required welding position is achieved, the technical effect of automatic welding protection is achieved, the technical effect of the automatic welding protection is further solved, the existing adopted back protection manner is generally implemented through a self-made simple protection cover 70, and the following disadvantages exist in the back protection manner that auxiliary personnel lift, align and move along with an arc: auxiliary staff is needed to be equipped, so that labor is wasted, and the auxiliary staff is required to have a certain welding experience to be matched with a welding operator, so that the technical problem of low efficiency is caused.

Further, the base 10 includes: the T-shaped hollowed-out base 10 is located on the same horizontal plane and comprises a plurality of first section steels 101 and a plurality of second section steels 102, wherein the plurality of first section steels 101 are respectively arranged between the plurality of second section steels 102. It will be appreciated that by arranging several first and second sections 101, 102 in parallel and/or vertically staggered, a base 10 with a stable support structure can be formed, thereby facilitating the effect of assembling other components. Meanwhile, by adopting the T-shaped hollowed-out structure, the effect of reducing weight and production cost can be realized while ensuring good structural strength.

As shown in fig. 5-8, the feeding mechanism 20 includes: the shell 201 is hollow, a plurality of support rods 202 are arranged in the shell 201, a first driving component 203 is arranged on the support rods 202 along the feeding direction, a first connecting plate 204 is arranged at the output end of the first driving component 203, L-shaped connecting blocks 205 are respectively arranged at two sides of the first connecting plate 204, the tops of the two L-shaped connecting blocks 205 are connected through a horizontally arranged mounting plate 206, the mounting plate 206 is positioned above the shell 201, sliding rail components 207 are respectively arranged at the bottoms of the two L-shaped connecting blocks 205, and the sliding rail components 207 are connected with the upper surfaces of the support rods 202;

wherein, the first driving part 203 provides driving force to drive the mounting plate 206 to reciprocate along the feeding direction, and the mounting plate 206 drives the product feeding and supplying. It can be understood that by horizontally providing the first driving member 203 in the feeding direction within the housing 201, a good horizontal driving effect can be achieved; the first driving member 203 may be a servo motor or a stepper motor combined with a lead screw, which is not limited in this application. Preferably, the slide rail assembly 207 may be in the form of a slider and a slide rail.

Further, the feeding mechanism 30 includes: two oppositely arranged fixing plates 301 connected with the upper surface of the mounting plate 206, two rotating shafts 302 are respectively arranged between the two fixing plates 301 and near the top, rotating wheels 303 are respectively arranged on the two rotating shafts 302, a second driving part 304 connected with one fixing plate 301 is arranged on one side of each rotating shaft 302, and the output ends of the two rotating wheels 303 and the contact surface of the product are positioned on the same horizontal plane. It can be appreciated that the second driving component 304 is used to provide driving force to drive the rotating shaft 302 to rotate, so as to drive the rotating wheel 303 to rotate, further drive the product to be welded to move to a designated position, and finally achieve the effect of accurate welding. Through adopting this structure, can realize along the effect of perpendicular to feed direction position adjustment to realize the effect of being convenient for welding position adjustment, and then avoid manual position adjustment's loaded down with trivial details. Wherein the second driving part 304 includes, but is not limited to: a servo motor or a stepping motor is of course easy to think of, and a conventional mechanical structure is easy to think of and will not be described in detail in this application when using components with which the corresponding motor is matched, such as a motor matched speed reducer or the like.

Further, the number of the feeding mechanisms 30 is plural, and the plurality of feeding mechanisms 30 are sequentially arranged on the mounting plate 206 in an array manner; good product movement and feeding effects can be achieved.

Preferably, the feeding mechanisms 30 are oppositely arranged with respect to the first lifting mechanism 50, and the feeding directions of the feeding mechanisms are opposite; through setting up the direction of feeding that is provided with two differences in the horizontal direction, can realize good back-and-forth movement effect to realize convenient position adjustment effect. In the present application, the front-rear direction is a horizontal direction and is perpendicular to the feeding direction.

Further, the first lifting mechanism 50 includes: the base plate 501 connected with the upper surface of the extension plate 40, two first support plates 502 are vertically arranged on the base plate 501, two first support plates 502 are oppositely arranged along the direction perpendicular to the feeding direction, a second connecting plate 503 is arranged at the top of each first support plate 502, two first lifting components 504 are oppositely arranged on the second connecting plate 503 along the feeding direction, and the height of each first lifting component 504 is higher than that of the feeding mechanism 30. It can be understood that by relatively arranging the two first lifting assemblies 504, a good lifting effect can be achieved, so that an effect of driving a product to move up and down is achieved, and a position adjusting effect is achieved; meanwhile, the effect of matching with other components can be realized.

Still further, the first lifting assembly 504 includes: the first linear bearings 505 are arranged on two sides of the second connecting plate 503 along the feeding direction, the two first linear bearings 505 are respectively located on the outer sides of the two first supporting plates 502, two first guide columns 507 are respectively and vertically arranged on the two first linear bearings 505, a first workbench 506 is horizontally arranged at the top of each first guide column 507, a third driving part 508 is arranged at the bottom of the second connecting plate 503, and the output end of each third driving part 508 is connected with the center of the first workbench 506 through a bearing 509. It can be understood that the second connecting plate 503 is driven to move upwards by the upward driving force provided by the third driving component 508, and two first guide posts 507 are respectively arranged at two sides of the bottom of the second connecting plate 503, so that the effect of stable movement of the second connecting plate 503 can be realized, and a good matching effect can be realized. Wherein the third drive component 508 includes, but is not limited to: and (3) a cylinder.

Preferably, a sliding component is arranged at the bottom of the first lifting mechanism 50 along the feeding direction; by providing the first elevating mechanism 50 with a sliding assembly, a good sliding effect can be achieved, thereby achieving a good movable back air protection effect.

Further, the second elevating mechanism 60 includes: the two second support plates 601 connected with the upper surface of the extension plate 40, the two second support plates 601 are oppositely arranged along the direction perpendicular to the feeding direction, a third connecting plate 602 is arranged at the top of the two second support plates 601, two second linear bearings 603 are arranged at two sides of the third connecting plate 602 along the feeding direction, the two second linear bearings 603 are respectively located at the outer sides of the two second support plates 601, two second guide posts 604 are respectively and vertically arranged on the two second linear bearings 603, a second workbench 605 is horizontally arranged at the top of the two second guide posts 604, a fourth driving part 606 is arranged at the bottom of the third connecting plate 602, and the output end of the fourth driving part 606 is connected with the center of the second workbench 605 through a second bearing 607. It can be understood that, by symmetrically arranging a plurality of second lifting mechanisms 60 on the upper surface of the extension plate 40 with respect to the first lifting mechanism 50, the effect of synchronous lifting or lowering with the first lifting mechanism 50 can be achieved, thereby achieving the effect of adjusting the position of the product to be welded; at the same time, the product can be separated from the feeding mechanism 30 by lifting the height of the product, thereby avoiding influencing the welding effect of the product due to misoperation of the feeding mechanism 30. Of course, the product may be in contact with the top of the feed mechanism 30, thereby achieving a good supporting effect. Further, a plurality of soft protrusions are disposed on top of the third connecting plate 602; the effect of increasing the frictional resistance can be achieved. It is easily conceivable that the dimensions of the third connection plate 602 may be chosen according to the actual use requirements.

Preferably, the initial height of the second elevating mechanism 60 is lower than the top height of the feeding mechanism 30; the interference can be avoided, thereby ensuring a good moving effect.

Preferably, the bottom of the second lifting mechanism 60 is provided with a sliding assembly; good sliding adjustment effect can be realized, through setting up the slip subassembly, required interval can be realized adjusting according to multiple use occasion to can adapt to diversified user demand. The sliding component can adopt the form of spout and slider, can realize good position adjustment, when sliding to predetermineeing the position after, carries out spacing and fixed its position through the stopper.

As shown in fig. 9 to 10, the protective cover 70 includes: the first protection casing 701 and the second protection casing 702 that link to each other respectively with two respectively with the first lifting assembly 504 the first workstation 506 bottom, first protection casing 701 with the second protection casing 702 sets up relatively and encloses and closes and form the cavity accommodation chamber, first protection casing 701 with the adjacent juncture of second protection casing 702 is provided with sealing member, be provided with in the cavity accommodation chamber with the gas outlet pipe 703 that the position of gas outlet channel 80 corresponds, gas outlet pipe 703 one end is linked together with gas inlet 704. It can be understood that, by respectively arranging the first protective housing 701 and the second protective housing 702 at the bottoms of the two second connecting plates 503, the hollow cavity can be formed by enclosing by adjusting the positions of the two first lifting assemblies 504, so that a good component or gas accommodating effect is achieved, and further, a guarantee is provided for subsequent directional gas circulation; meanwhile, the dislocation effect can be realized, so that the installation or replacement of other parts is facilitated; such as: in order to improve the tightness of the boundary of the edge of the protection shell, the effect of improving the air tightness can be realized by arranging the sealing part. Wherein, the material of the sealing component includes but is not limited to: o-rings or other forms of wear washers.

Preferably, the protective cover 70 may be an open-top one-piece structure; by adopting the structural form, the sealing performance of the gas can be improved, so that the installation and the use of components are reduced; by detachably disposing the protective cover 70 at the bottom of the second connection plate 503, the effect of facilitating the disassembly and assembly of other components can be achieved. Meanwhile, a driving cylinder is arranged at the center of the bottom of the protection, and at the moment, the situation that a plurality of cylinders are used can be avoided by adopting one driving cylinder.

Further, the top of the two second lifting mechanisms 60 are respectively provided with a clamping mechanism 90, and the clamping mechanism 90 includes: the top of the bending plate 901 is provided with a limiting part 902 facing the second connecting plate 503. It can be appreciated that the clamping mechanism 90 is arranged on one side, away from the feeding mechanism 30, of the second lifting mechanisms 60, so that the effect of clamping and limiting the product can be achieved, the product is ensured to be in a good stable state, and abnormal movement is avoided. Wherein, bending plate 901 can be L shape, can realize through installing the part on it to can realize exerting decurrent force, thereby realize good both sides centre gripping effect. Preferably, the limiting part may be a limiting cylinder.

Still further, the clamping mechanism may be a bolt and nut fit. An effect of easy operation can be achieved.

Further, a vertical support 100 is disposed on the base 10 and adjacent to the first lifting mechanism 50, and a manipulator 110 is disposed on the vertical support 100. It can be appreciated that by providing the vertical bracket 100 at one side of the base 10, a good component mounting and fixing effect can be achieved; meanwhile, by providing the robot 110 on the vertical stand 100, an effect of automatic welding can be achieved. Of course, the model and the specification of the manipulator 110 may be changed according to actual use requirements, which is not limited in this application.

Further, a plurality of limit sensors can be arranged and matched with a plurality of driving components for control; accurate position control effect can be realized.

The invention also has the following beneficial effects:

1. by adopting the welding protection device, auxiliary personnel necessary for an original mode are not needed, so that the labor cost is saved, and the potential safety hazard of narrow and limited space operation is avoided;

2. the welding machine is not limited by workpiece specifications and welding positions, and is suitable for welding applications of all products needing back gas protection;

3. the degree of automation is improved, and the tedious and low-efficiency of manual operation are avoided.

The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the present invention is not limited to the specific details of the above embodiments, and various equivalent changes can be made to the technical solutions of the present invention within the scope of the technical concept of the present invention, and these equivalent changes all fall within the scope of the present invention.

Claims (10)

1. Welding protection device, its characterized in that includes:

a base (10);

the feeding mechanisms (20) are oppositely arranged on the upper surface of the base (10);

the feeding mechanisms (30) are respectively connected with the movable ends of the feeding mechanisms (20);

the extension plate (40) is horizontally arranged between the base (10) and the feeding mechanism (20);

the first lifting mechanisms (50) are vertically arranged on the upper surface of the extension plate (40) and are positioned in the extending direction of the central line among the feeding mechanisms (20);

a plurality of second lifting mechanisms (60) which are symmetrically arranged on the extension plate (40) about the first lifting mechanism (50) and are respectively positioned outside the plurality of feeding mechanisms (30);

a protective cover (70) connected with the first lifting mechanism (50); and

The air outlet channel (80) is arranged on the upper surface of the first lifting mechanism (50) and is communicated with the protective cover (70);

the product is conveyed to a first preset position through the feeding mechanism (20) and the feeding mechanism (30), and is adjusted to a second preset position through the first lifting mechanism (50) and the second lifting mechanism (60) respectively, so that a pre-welding channel position of the product is located right above the air outlet channel (80).

2. The welding protection device according to claim 1, characterized in that the base (10) comprises: the T-shaped hollowed-out base (10) is located on the same horizontal plane and comprises a plurality of first section steel (101) and a plurality of second section steel (102), wherein the plurality of first section steel (101) are respectively arranged between the plurality of second section steel (102).

3. The welding protection device according to claim 1, characterized in that the feeding mechanism (20) comprises: the novel automatic feeding device comprises a shell (201), wherein the shell (201) is hollow, a plurality of supporting rods (202) are arranged in the shell (201), a first driving component (203) is arranged on the supporting rods (202) along the feeding direction, a first connecting plate (204) is arranged at the output end of the first driving component (203), L-shaped connecting blocks (205) are respectively arranged on two sides of the first connecting plate (204), the tops of the two L-shaped connecting blocks (205) are connected through a horizontally arranged mounting plate (206), the mounting plate (206) is positioned above the shell (201), sliding rail assemblies (207) are respectively arranged at the bottoms of the two L-shaped connecting blocks (205), and the sliding rail assemblies (207) are connected with the upper surfaces of the supporting rods (202);

the first driving component (203) provides driving force to drive the mounting plate (206) to reciprocate along the feeding direction, and the mounting plate (206) drives the product to feed.

4. A welding protection device according to claim 3, characterized in that the feed mechanism (30) comprises: two oppositely arranged fixing plates (301) connected with the upper surface of the mounting plate (206), two rotating shafts (302) are respectively arranged between the two fixing plates (301) and close to one side of the top, rotating wheels (303) are respectively arranged on the two rotating shafts (302), one side of each rotating shaft (302) is provided with a second driving part (304) connected with one fixing plate (301), and the contact surfaces of the output ends of the two rotating wheels (303) and products are located on the same horizontal plane.

5. The welding protection device according to claim 1, wherein the first lifting mechanism (50) comprises: the base plate (501) that links to each other with extension board (40) upper surface, be provided with two first backup pad (502) perpendicularly on base plate (501), two first backup pad (502) are along being perpendicular to feeding direction set up relatively, two first backup pad (502) top is provided with second connecting plate (503), be provided with two first lifting assembly (504) along feeding direction relatively on second connecting plate (503), the height of first lifting assembly (504) is higher than the height of feed mechanism (30).

6. The welding protection device of claim 5, wherein the first lift assembly (504) comprises: the feeding device comprises a first linear bearing (505) arranged on two sides of a second connecting plate (503) along a feeding direction, wherein the two first linear bearings (505) are respectively arranged on the outer sides of a first supporting plate (502), two first guide posts (507) are respectively and vertically arranged on the first linear bearings (505), a first workbench (506) is horizontally arranged on the top of each first guide post (507), a third driving part (508) is arranged at the bottom of the second connecting plate (503), and the output end of each third driving part (508) is connected with the center of each first workbench (506) through a bearing (509).

7. The welding protection device according to claim 1, wherein the second lifting mechanism (60) comprises: two second backup pad (601) that link to each other with extension board (40) upper surface, two second backup pad (601) are along being perpendicular to feeding direction relative setting, two second backup pad (601) top is provided with third connecting plate (602), third connecting plate (602) both sides are provided with second linear bearing (603) along feeding direction, two second linear bearing (603) are located two respectively second backup pad (601) outside, two be provided with two second guide pillar (604) on second linear bearing (603) respectively perpendicularly, two second guide pillar (604) top level is provided with second workstation (605), third connecting plate (602) bottom is provided with fourth drive part (606), the output of fourth drive part (606) is through second bearing (607) and the center department of second workstation (605) links to each other.

8. The welding protection device according to claim 6, characterized in that the protective cover (70) comprises: the device comprises a first protection shell (701) and a second protection shell (702) which are respectively connected with the bottoms of first work tables (506) of two first lifting assemblies (504), wherein the first protection shell (701) and the second protection shell (702) are oppositely arranged and enclose to form a hollow accommodating cavity, a sealing part is arranged at the adjacent juncture of the first protection shell (701) and the second protection shell (702), a gas outlet pipe (703) corresponding to the position of an air outlet channel (80) is arranged in the hollow accommodating cavity, and one end of the gas outlet pipe (703) is communicated with a gas inlet (704).

9. Welding protection device according to claim 5, characterized in that the tops of the two second lifting mechanisms (60) are respectively provided with a clamping mechanism (90), the clamping mechanism (90) comprising: the bending plate (901) is provided with a limiting part (902) facing the second connecting plate (503) at the top of the bending plate (901).

10. The welding protection device according to claim 1, characterized in that a vertical support (100) is provided on the base (10) and adjacent to the first lifting mechanism (50), and a manipulator (110) is provided on the vertical support (100).