CN116548798A

CN116548798A - Metal wine pot and welding equipment and welding process thereof

Info

Publication number: CN116548798A
Application number: CN202310156126.7A
Authority: CN
Inventors: 吴秋平
Original assignee: Dongguan Ervan Article Co ltd
Current assignee: Dongguan Ervan Article Co ltd
Priority date: 2023-02-22
Filing date: 2023-02-22
Publication date: 2023-08-08
Anticipated expiration: 2043-02-22
Also published as: CN116548798B

Abstract

The invention relates to the technical field of metal welding, in particular to a metal wine pot and welding equipment and a welding process thereof, comprising a wine pot body, wherein the wine pot body consists of an inner layer, a middle layer and an outer layer, the middle layer and the inner layer consist of an upper part and a lower part, a vacuum part is formed by the interval between the middle layer and the inner layer of the metal wine pot, the outer layer is used for protecting an internal vacuum layer, the welding position is protected from the root, the middle layer and the inner layer are not damaged by high temperature or polishing during polishing, the vacuum leakage of the internal vacuum layer is avoided, the reject ratio of wine pot manufacture is reduced, an electric slide block drives a worm to rotate forward or backward, the worm wheel which is meshed with the worm is synchronously driven to rotate during the rotation of the worm wheel, a pushing frame is driven to push and pull during the rotation of the worm wheel, and the pushing frame drives a circular ring to lift through a connecting piece, so that the position of a welding head is regulated, and the welding requirements on different heights are met.

Description

Metal wine pot and welding equipment and welding process thereof

Technical Field

The invention relates to the technical field of metal welding, in particular to a metal wine pot, welding equipment and a welding process thereof.

Background

Wine pots are wine-filled pots, which are produced after wine making by human beings, are various classified and different materials in various parts of the world, and are commonly made of porcelain and metal, so that along with the development of modern industry, the metal wine pots are commonly found in daily life of people, however, the metal wine pots are easy to break when being welded, so that the finished product rate of the metal wine pots is greatly reduced.

Chinese patent (application number is CN202222812017. X) discloses a metal spout kettle body laser welding device, when producing kettles of different types, different profile moulds specially adapted are replaced according to the production type, and flexible production is realized.

However, the welding device has some problems in use:

when welding metal wine pots, because the temperature is higher when the wine pots are welded and the welded parts of the outside are required to be polished and ground after welding, the welded parts are damaged due to high temperature or grinding during polishing, the yield of the metal wine pots is greatly reduced, and when the metal wine pots are welded, the metal wine pots cannot be suitable for welding of the metal wine pots with different scales and sizes due to the diversity of production, so that the metal wine pots have larger limitation in the use process.

Based on the above, a metal wine pot and welding equipment and a welding process thereof are now proposed.

Disclosure of Invention

The invention aims to provide a metal wine pot, a welding device and a welding process thereof, which are used for solving the problems in the background technology.

The aim of the invention can be achieved by the following technical scheme:

the metal wine pot comprises a wine pot body, wherein the wine pot body consists of an inner layer, a middle layer and an outer layer, the middle layer and the inner layer are respectively composed of an upper part and a lower part, welding positions are arranged on one side, close to the upper part and the lower part, of the middle layer and the inner layer, the welding positions are arranged in a circumferential manner, and a vacuum part is formed by the interval between the middle layer and the inner layer;

the welding position is equipped with simultaneously and is connected with the skin through the welding position in the middle level upper portion outside, and the skin is used for protecting the vacuum layer of inside, and the welding position of middle level and inlayer need not to polish, protects the welding position from the root, and the messenger middle level need not to receive high temperature or polish when polishing and lead to the welding position to take place to damage with the inlayer, thereby avoids inside vacuum layer to take place vacuum leakage to reduce the defective rate of wine pot.

The welding equipment for the metal wine pot comprises a bottom plate for contacting the ground, wherein a supporting plate is fixedly arranged on one side of the upper surface of the bottom plate, a worm is arranged in the center of the upper end surface of the supporting plate through an electric sliding block, a plurality of fixing pieces are annularly arranged on the outer side of the worm and fixedly connected with the supporting plate, and the middle part of each fixing piece is of a concave structure;

preferably, the fixing piece middle part transversely rotates and installs the pivot, and pivot middle part fixed mounting has the worm wheel, and the worm wheel both sides are equipped with and are pushed away from the frame with pivot fixed connection, pushes away frame one end and articulates there is the connecting piece, installs the direction unit jointly between a plurality of connecting pieces, and backup pad upper surface opposite side fixed mounting has the fixing unit, and backup pad middle part fixed mounting has the rack, has offered the side groove all around in the rack outside, pushes away the frame and is located the side inslot and adjusts.

Preferably, the outside of the guide unit is provided with a shielding unit fixedly connected with the support plate, the shielding unit comprises support columns, the support columns are provided with a plurality of four corners and are positioned at the shielding unit, traction grooves are symmetrically formed in one side of each support column, a central rod is fixedly arranged in the middle of an inner cavity of each support column, a sliding ring is slidably arranged on the outer side of each central rod, a folding plate is commonly arranged between the surrounding sliding rings, an adjusting opening is formed in the other side of each support column, a handle is slidably arranged in each adjusting opening, and one side of each handle is fixedly connected with each sliding ring.

Preferably, the guide unit comprises a circular ring, a placing groove is formed in the inner side of the upper surface of the circular ring, a guide piece is placed in the placing groove, a dovetail groove is formed in the upper end face of the guide piece in the circumferential direction, a dovetail plate is arranged in the dovetail groove, an arc-shaped frame is fixedly arranged on the upper end face of the dovetail plate, and a T-shaped block is arranged in the middle of the arc-shaped frame through an electric sliding block.

Preferably, T type piece one side fixed mounting has the mount, and mount middle part screw thread rotates installs the steering rod, and steering rod one end fixed mounting has the cross board, and steering rod top is equipped with the movable rod with cross board sliding connection, and movable rod one end fixed mounting has the rectangular plate, and rectangular plate keeps away from movable rod one side fixed mounting and has the welding machine, and fixed mounting has the bonding tool on the welding machine, and mount up end middle part fixed mounting has the setting element, and the setting element is used for fixing the position of bonding tool, avoids taking place to remove when welding the wine kettle.

Preferably, the electric push rods are symmetrically arranged on the inner sides of the guide parts, rubber blocks are fixedly arranged on one sides, away from the guide parts, of the electric push rods, and the rubber blocks are used for stably clamping wine pots during welding, so that better welding operation is achieved.

Preferably, the L-shaped plates are symmetrically arranged on two sides of the upper end face of the circular ring, the sliding block is arranged in the middle of the L-shaped plates in a sliding mode, the fastener is fixedly arranged at the bottom end of the sliding block and used for fixing the guide piece, and the welding head on the guide piece is prevented from shaking when welding operation is carried out on the wine pot.

Preferably, the fixed unit comprises a cylinder, a hanging plate is fixedly arranged on one side of the cylinder, an electric telescopic rod is fixedly arranged in the middle of the lower end face of the hanging plate, a connecting frame is fixedly arranged on the lower end face of the electric telescopic rod, a round box is fixedly arranged on one side of the connecting frame away from the electric telescopic rod, a driving rod is rotatably arranged on the middle of the round box in a threaded manner, a squeezing block is fixedly arranged on one side of the driving rod, a magnetic suction plate is annularly arranged on the middle of the round box in a sliding manner, and anti-sliding blocks are arranged on two sides of the magnetic suction plate through traction rods.

Preferably, another object of the present invention is to provide a welding process of a welding apparatus for a metal wine pot, comprising the steps of:

s1: preparation before welding:

placing a wine pot to be welded on a placing frame, then adjusting the guide unit according to the welding position required by the wine pot, starting the electric sliding block to drive the worm to rotate, driving the worm wheel to rotate when the worm rotates, and driving the circular ring to lift through the pushing frame until the rubber block is leveled with the welding position required by the wine pot;

s2: fixing the wine pot:

starting an electric push rod to push forward to enable rubber blocks on two sides to clamp the outside of the wine kettle, then starting an electric telescopic rod to enable a connecting frame to move downwards to the inside of the wine kettle, then rotating a driving rod clockwise, pushing a magnetic plate through an extrusion block until the magnetic plate is attached to the inner wall of the metal wine kettle when the driving rod rotates, and then controlling a traction rod to enable an upper anti-sliding block and a lower anti-sliding block to be in contact with the upper part and the lower part of the inside of the metal wine kettle;

s3: welding wine pot:

the position of the cross plate is moved by rotating the direction adjusting rod until the welding head is attached to the welding part, the handle is upwards slid, the handle drives the slip ring and the folding plate to rise so as to surround the guide unit, and then the electric sliding block is started to enable the welding head to perform arc welding on the metal wine pot.

The invention has the beneficial effects that:

1. according to the invention, the vacuum part is formed by the interval between the middle layer and the inner layer of the metal wine pot, the outer layer is used for protecting the inner vacuum layer, the welding position is protected from the root, the middle layer and the inner layer are not required to be damaged due to high temperature or polishing during polishing, the vacuum leakage of the inner vacuum layer is avoided, the defective rate of the wine pot is reduced, the worm is driven by the electric sliding block to rotate positively or reversely, the worm wheel engaged with the worm is synchronously driven by the outer side to rotate, the pushing frame is driven to push and pull during rotation of the worm wheel, and the pushing frame drives the circular ring to lift through the connecting piece, so that the position of the welding head is regulated to be high or low, and the welding requirements on different heights are met.

2. According to the invention, the handle is moved upwards through the dial-up handle, the handle slides on the central rod through the slip ring so as to synchronously drive the folding plate to be unfolded upwards, and at the moment, the folding plate shields the periphery of the guide unit above the supporting plate, so that spark splashing caused when the metal wine pot is welded is effectively avoided, the welding head at the front part of the cross plate is driven to move through the sliding of the moving rod, and then the cross plate is fixed through the locating piece, so that the welding operation of metal wine pots with different specifications and sizes is realized, and the applicability of the welding device is wider.

3. According to the invention, the drive rod drives the extrusion block to slide so as to push the magnetic suction plate, the magnetic suction plate contacts with the inner wall of the metal wine kettle and simultaneously performs magnetic suction on the magnetic suction plate, and then the traction rod is controlled to stretch so as to drive the anti-skid block to uniformly contact with the upper part and the lower part of the interior of the metal wine kettle, so that multiple fixing of the metal wine kettle during welding is realized, and welding errors caused by movement of the wine kettle during welding are effectively avoided.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described, and it will be obvious to those skilled in the art that other drawings can be obtained according to these drawings without inventive effort;

FIG. 1 is a schematic view of the structure of the wine pot body of the present invention;

FIG. 2 is a schematic illustration of the front cross-sectional structure of the wine pot body of the present invention;

FIG. 3 is a schematic front view of the welding apparatus of the present invention;

FIG. 4 is a schematic view of the shielding unit structure of the present invention;

FIG. 5 is a schematic view of the structure of the guiding unit and the fixing unit of the present invention;

FIG. 6 is a schematic view of the structure of the support plate and the rack according to the present invention;

FIG. 7 is a schematic view of the lower part of the ring of the present invention;

FIG. 8 is an enlarged schematic view of the portion A of FIG. 7 in accordance with the present invention;

FIG. 9 is a schematic view of the internal structure of the rack of the present invention;

FIG. 10 is a schematic view of the upper structure of the ring of the present invention;

FIG. 11 is a schematic view in partial cross-section of the present invention;

FIG. 12 is an enlarged schematic view of the structure of portion B of FIG. 11 in accordance with the present invention;

FIG. 13 is a schematic view of a partial structure of the present invention;

FIG. 14 is a schematic view of the structure of the fixing unit of the present invention;

fig. 15 is a schematic view of the internal structure of the round box of the present invention.

Reference numerals in the drawings are as follows:

1. a wine pot body; 11. an inner layer; 12. a middle layer; 13. an outer layer; 14. welding positions; 2. a bottom plate; 21. a support plate; 22. a worm; 23. a fixing member; 24. a worm wheel; 25. pushing a frame; 26. a connecting piece; 3. a shielding unit; 31. a support column; 32. a traction groove; 33. a central rod; 34. a slip ring; 35. a folding plate; 36. an adjustment port; 37. a handle; 38. a placing rack; 39. a side groove; 4. a guide unit; 41. a circular ring; 42. a placement groove; 43. a guide member; 44. a dovetail groove; 45. an arc-shaped frame; 46. a T-shaped block; 461. a fixing frame; 462. a steering rod; 463. a cross plate; 464. a moving rod; 465. a rectangular plate; 466. welding head; 467. a positioning piece; 47. an electric push rod; 48. a rubber block; 49. an L-shaped plate; 490. a sliding block; 491. a fastener; 5. a fixing unit; 51. a cylinder; 52. a hanger plate; 53. an electric telescopic rod; 54. a connecting frame; 55. a round box; 56. a driving rod; 57. extruding a block; 58. a magnetic suction plate; 59. an anti-skid block.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

As shown in fig. 1 and 2, the metal wine pot comprises a wine pot body 1, wherein the wine pot body 1 is composed of an inner layer 11, a middle layer 12 and an outer layer 13, the middle layer 12 and the inner layer 11 are composed of an upper part and a lower part, welding positions 14 are arranged on the sides, close to the upper part and the lower part, of the middle layer 12 and the inner layer 11, the welding positions 14 are arranged in a circumferential direction, and a vacuum part is formed by the interval between the middle layer 12 and the inner layer 11;

the welding position 14 is arranged on the outer side of the upper part of the middle layer 12 at the same time and is connected with the outer layer 13 through the welding position 14, the outer layer 13 is used for protecting an internal vacuum layer, the welding position 14 of the middle layer 12 and the inner layer 11 is not required to be polished, the welding position 14 is protected from the root, the welding position 14 is not required to be damaged due to the fact that the middle layer 12 and the inner layer 11 are subjected to high temperature or polished during polishing, and the vacuum leakage of the internal vacuum layer is avoided, so that the reject ratio of the wine pot is reduced.

As shown in fig. 3, 7 and 8, the welding equipment of the metal wine pot comprises a bottom plate 2 for contacting the ground, wherein a supporting plate 21 is fixedly arranged on one side of the upper surface of the bottom plate 2, a worm 22 is arranged at the center of the upper end surface of the supporting plate 21 through an electric sliding block, fixing pieces 23 fixedly connected with the supporting plate 21 are annularly arranged on the outer side of the worm 22, a plurality of fixing pieces 23 are arranged, and the middle part of each fixing piece 23 is of a concave structure;

the middle part of the fixing piece 23 is transversely rotatably provided with a rotating shaft, the middle part of the rotating shaft is fixedly provided with a worm wheel 24, two sides of the worm wheel 24 are provided with pushing frames 25 fixedly connected with the rotating shaft, one end, far away from the fixing piece 23, of each pushing frame 25 is hinged with a connecting piece 26, a guide unit 4 is jointly installed among a plurality of connecting pieces 26, the other side of the upper surface of the supporting plate 21 is fixedly provided with a fixing unit 5, the middle part of the supporting plate 21 is fixedly provided with a placing frame 38, side grooves 39 are formed in the periphery of the outer side of the placing frame 38, the pushing frames 25 are positioned in the side grooves 39 to be adjusted, when welding positions with different heights are performed, an electric sliding block is started, the electric sliding block drives a worm 22 to rotate forwards or reversely, the worm wheel 24 which is meshed with the outer side is synchronously driven to rotate when the worm 22 rotates, the pushing frames 25 are driven to push and pull through the connecting pieces 26, and the positions of the welding heads 466 are lifted, so that the welding heads 466 are adjusted in height, and the welding requirements of different heights are met.

The outside of the guide unit 4 is provided with a shielding unit 3 fixedly connected with the support plate 21, the shielding unit 3 comprises support columns 31, the support columns 31 are provided with a plurality of four corners which are positioned at the shielding unit 3, traction grooves 32 are symmetrically formed in one side of each support column 31, a center rod 33 is fixedly arranged in the middle of an inner cavity of each support column 31, a sliding ring 34 is slidably arranged on the outer side of each center rod 33, folding plates 35 are commonly arranged among the surrounding sliding rings 34, an adjusting opening 36 is formed in the other side of each support column 31, a handle 37 is slidably arranged in the adjusting opening 36, one side of each handle 37 is fixedly connected with each sliding ring 34, when sparks generated during welding are resisted, the handles 37 are pushed upwards, and the handles 37 slide on the center rods 33 through the sliding rings 34 so as to synchronously drive the folding plates 35 to be unfolded upwards, and at the moment, the folding plates 35 cover the periphery of the guide unit 4 above the support plates 21, so that sparks are prevented from splashing during welding of a metal wine pot.

As shown in fig. 10, 11 and 12, the guiding unit 4 comprises a circular ring 41, a placing groove 42 is formed in the inner side of the upper surface of the circular ring 41, a guiding piece 43 is placed in the placing groove 42, a dovetail groove 44 is formed in the upper end face of the guiding piece 43 in a circumferential direction, a dovetail plate is arranged in the dovetail groove 44, an arc-shaped frame 45 is fixedly arranged on the upper end face of the dovetail plate, a T-shaped block 46 is arranged in the middle of the arc-shaped frame 45 through an electric sliding block, the electric sliding block is used for opening and driving the T-shaped block 46 to move in the middle of the arc-shaped frame 45, and a welding machine 466 at the front of the T-shaped block 46 is convenient for arc-shaped welding on a metal wine pot.

The fixed mounting of T type piece 46 one side has mount 461, mount 461 middle part screw thread rotates installs steering rod 462, steering rod 462 one end fixed mounting has cross board 463, steering rod 462 top is equipped with the carriage release lever 464 with cross board 463 sliding connection, carriage release lever 464 one end fixed mounting has rectangular plate 465, rectangular plate 465 is kept away from carriage release lever 464 one side fixed mounting and is had the welding machine, fixed mounting has welding head 466 on the welding machine, mount 461 up end middle part fixed mounting has locating piece 467, locating piece 467 is used for fixing the position of welding head 466, avoid moving when welding the wine kettle, drive the welding head 466 in cross board 463 front portion through the slip of carriage release lever 464 and remove, then fix cross board 463 through locating piece 467, so as to realize the welding operation to the metal wine kettle of different specification sizes, make its suitability more extensive.

Electric putter 47 is installed to guide 43 inboard symmetry, electric putter 47 keeps away from guide 43 one side fixed mounting and has rubber piece 48, and rubber piece 48 is used for carrying out firm centre gripping when welding the wine kettle, makes its better welding operation, through pushing forward electric putter 47 of both sides, electric putter 47 drives the rubber piece 48 of both sides and is close to each other, until the rubber piece 48 of both sides laminating with the metal wine kettle, thereby realize fixing the upper and lower two parts of wine kettle, the stability of metal wine kettle when carrying out the welding has further been strengthened in the setting of rubber piece 48.

As shown in fig. 13, 14 and 15, the upper end surface of the ring 41 is symmetrically provided with an L-shaped plate 49 on both sides, a sliding block 490 is slidably arranged in the middle of the L-shaped plate 49, a fastener 491 is fixedly arranged at the bottom end of the sliding block 490, and the fastener 491 is used for fixing the guide 43, so that the welding head 466 on the guide 43 is prevented from shaking when welding the wine pot.

The fixed unit 5 includes cylinder 51, cylinder 51 one side fixed mounting has hanger plate 52, hanger plate 52 lower terminal surface middle part fixed mounting has electric telescopic handle 53, electric telescopic handle 53 lower terminal surface fixed mounting has link 54, link 54 keeps away from electric telescopic handle 53 one side fixed mounting has round box 55, round box 55 middle part screw thread rotates and installs actuating lever 56, actuating lever 56 one side fixed mounting has extrusion piece 57, round box 55 middle part circumference slidable mounting has magnetic suction plate 58, magnetic suction plate 58 both sides are installed anti-skidding piece 59 through the traction lever, through rotating actuating lever 56, actuating lever 56 drives extrusion piece 57 and slides and make it promote magnetic suction plate 58, magnetic suction plate 58 carries out the magnetism to it simultaneously with the inner wall of metal wine kettle, then the flexible upper and lower part that drives anti-skidding piece 59 and metal wine kettle inside of control lever carries out the uniform contact, thereby multiple fixed when realizing the welding to the metal wine kettle, effectively avoid the wine kettle to take place to remove and cause the welding when welding.

As shown in fig. 1 to 15, another object of the present invention is to provide a welding process of a welding apparatus for a metal wine pot, comprising the steps of:

s1: preparation before welding:

placing a wine pot to be welded on the placement frame 38, then adjusting the guide unit 4 according to the welding position required by the wine pot, starting the electric sliding block to drive the worm 22 to rotate, driving the worm wheel 24 to rotate when the worm 22 rotates, and driving the circular ring 41 to lift through the pushing frame 25 when the worm wheel 24 rotates until the rubber block 48 is leveled with the welding position required;

s2: fixing the wine pot:

the electric push rod 47 is started to push forwards to enable rubber blocks 48 on two sides to clamp the outside of the wine kettle, then the electric telescopic rod 53 is started to enable the connecting frame 54 to move downwards to the inside of the wine kettle, then the driving rod 56 is rotated clockwise, the magnetic plate 58 is pushed by the extrusion block 57 until the magnetic plate 58 is attached to the inner wall of the metal wine kettle when the driving rod 56 rotates, and then the traction rod is controlled to enable the upper anti-sliding block 59 and the lower anti-sliding block 59 to be contacted with the upper part and the lower part inside the metal wine kettle;

s3: welding wine pot:

the steering rod 462 is rotated to move the position of the cross plate 463 until the welding head 466 is attached to the welding part, the handle 37 is slid upwards, the handle 37 drives the slip ring 34 and the folding plate 35 to ascend so as to surround the guide unit 4, and then the electric sliding block is started to enable the welding head 466 to perform arc welding on the metal wine pot.

When the welding machine is used, firstly, a wine pot to be welded is placed on the placement frame 38, then, the electric sliding block is started, the electric sliding block drives the worm 22 to rotate forward or backward, the worm 22 synchronously drives the worm wheel 24 engaged with the worm 22 at the outer side to rotate synchronously, the worm wheel 24 drives the pushing frame 25 to push and pull when rotating, and the pushing frame 25 drives the circular ring 41 to lift through the connecting piece 26, so that the position of the welding head 466 is adjusted to be level with the position to be welded;

the electric push rods 47 on two sides are controlled to push forwards, the electric push rods 47 drive the rubber blocks 48 on two sides to be close to each other until the rubber blocks 48 on two sides are attached to the metal wine pot, then the electric telescopic rods 53 are started to enable the connecting frame 54 to move downwards into the wine pot, then the driving rods 56 are rotated clockwise, the magnetic suction plates 58 are pushed by the extrusion blocks 57 until the magnetic suction plates 58 are attached to the inner wall of the metal wine pot when the driving rods 56 rotate, the magnetic suction plates 58 are contacted with the inner wall of the metal wine pot and magnetically suck the magnetic suction plates, and then the traction rods are controlled to stretch and draw the anti-skid blocks 59 to be evenly contacted with the upper part and the lower part of the metal wine pot, so that multiple fixing of the metal wine pot during welding is achieved, and welding errors caused by movement of the wine pot during welding are effectively avoided;

the sliding of the moving rod 464 drives the welding head 466 at the front part of the cross plate 463 to move, and then the cross plate 463 is fixed through the positioning piece 467, so that welding operation of metal wine pots with different specifications and sizes is realized;

finally, the handle 37 is moved upwards, the handle 37 slides on the central rod 33 through the sliding ring 34 so as to synchronously drive the folding plate 35 to be unfolded upwards, and at the moment, the folding plate 35 shields the periphery of the guide unit 4 above the supporting plate 21, so that spark splashing caused when welding a metal wine kettle is effectively avoided, the electric sliding block is started to drive the T-shaped block 46 to move in the middle of the arc-shaped frame 45, and the welding machine is started to enable the welding head 466 to weld the metal wine kettle in the circumferential direction.

The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims.

Claims

1. The metal wine pot comprises a wine pot body (1), and is characterized in that the wine pot body (1) is composed of an inner layer (11), a middle layer (12) and an outer layer (13), the middle layer (12) and the inner layer (11) are composed of an upper part and a lower part, welding positions (14) are respectively arranged on the sides, close to the upper part and the lower part, of the middle layer (12) and the inner layer (11), the welding positions (14) are arranged in a circumferential mode, and a vacuum part is formed by the interval between the middle layer (12) and the inner layer (11);

the welding position (14) is arranged on the outer side of the upper part of the middle layer (12) at the same time and is connected with the outer layer (13) through the welding position (14), the outer layer (13) is used for protecting an internal vacuum layer, the welding position (14) of the middle layer (12) and the inner layer (11) is not required to be polished, the welding position (14) is protected from the root, the welding position (14) is not required to be damaged due to high temperature or polishing when the middle layer (12) and the inner layer (11) are polished, and the vacuum leakage of the internal vacuum layer is avoided, so that the reject ratio of the wine pot is reduced.

2. The welding equipment for the metal wine pot according to claim 1, which is characterized by comprising a bottom plate (2) for contacting the ground, wherein a supporting plate (21) is fixedly arranged on one side of the upper surface of the bottom plate (2), a worm (22) is arranged in the center of the upper end surface of the supporting plate (21) through an electric sliding block, fixing pieces (23) fixedly connected with the supporting plate (21) are annularly arranged on the outer side of the worm (22), a plurality of fixing pieces (23) are arranged, and the middle part of each fixing piece (23) is of a concave structure;

the utility model discloses a fixed device, including fixing piece (23), rack (38), fixed device (21) upper surface opposite side fixed mounting has pivot, pivot transversely rotates in the middle part of mounting (23), pivot middle part fixed mounting has worm wheel (24), worm wheel (24) both sides are equipped with push away frame (25) with pivot fixed connection, push away frame (25) and keep away from mounting (23) one end and articulate have connecting piece (26), install guide unit (4) jointly between a plurality of connecting pieces (26), fixed device (5) are installed to backup pad (21) upper surface opposite side fixed mounting, backup pad (21) middle part fixed mounting has rack (38), side groove (39) have been seted up all around in the rack (38) outside, push away frame (25) and be located side groove (39) and adjust.

3. The welding equipment for the metal wine pot according to claim 2, wherein shielding units (3) fixedly connected with the supporting plates (21) are arranged on the outer sides of the guide units (4), the shielding units (3) comprise supporting columns (31), the supporting columns (31) are provided with a plurality of four corners and are positioned at the shielding units (3), traction grooves (32) are symmetrically formed in one sides of the supporting columns (31), center rods (33) are fixedly arranged in the middle of inner cavities of the supporting columns (31), sliding rings (34) are slidably arranged on the outer sides of the center rods (33), folding plates (35) are jointly arranged between the surrounding sliding rings (34), adjusting openings (36) are formed in the other sides of the supporting columns (31), handles (37) are slidably arranged in the adjusting openings (36), and one sides of the handles (37) are fixedly connected with the sliding rings (34).

4. The welding equipment for the metal wine pot according to claim 2, wherein the guiding unit (4) comprises a circular ring (41), a placing groove (42) is formed in the inner side of the upper surface of the circular ring (41), a guiding piece (43) is placed in the placing groove (42), a dovetail groove (44) is formed in the upper end face of the guiding piece (43) in the circumferential direction, a dovetail plate is arranged in the dovetail groove (44), an arc-shaped frame (45) is fixedly arranged on the upper end face of the dovetail plate, and a T-shaped block (46) is arranged in the middle of the arc-shaped frame (45) through an electric sliding block.

5. The welding equipment for the metal wine pot according to claim 4, wherein a fixing frame (461) is fixedly installed on one side of the T-shaped block (46), a direction adjusting rod (462) is rotatably installed in the middle of the fixing frame (461), a cross plate (463) is fixedly installed at one end of the direction adjusting rod (462), a moving rod (464) which is in sliding connection with the cross plate (463) is arranged above the direction adjusting rod (462), a rectangular plate (465) is fixedly installed at one end of the moving rod (464), a welding machine is fixedly installed on one side, far away from the moving rod (464), of the rectangular plate (465), a welding head (466) is fixedly installed on the welding machine, a positioning piece (467) is fixedly installed in the middle of the upper end face of the fixing frame (461), and the positioning piece (467) is used for fixing the position of the welding head (466) and avoiding moving when the wine pot is welded.

6. The welding equipment for the metal wine pot according to claim 4, wherein the electric push rods (47) are symmetrically arranged on the inner sides of the guide members (43), rubber blocks (48) are fixedly arranged on one sides, away from the guide members (43), of the electric push rods (47), and the rubber blocks (48) are used for firmly clamping the wine pot during welding so as to enable the wine pot to be welded better.

7. The welding equipment for the metal wine pot according to claim 4, wherein the L-shaped plates (49) are symmetrically arranged on two sides of the upper end face of the circular ring (41), the sliding block (490) is slidably arranged in the middle of each L-shaped plate (49), the fastener (491) is fixedly arranged at the bottom end of each sliding block (490), and the fastener (491) is used for fixing the guide piece (43) so as to prevent the welding head (466) on the guide piece (43) from shaking during welding operation on the wine pot.

8. The welding equipment for the metal wine pot according to claim 2, wherein the fixing unit (5) comprises a cylinder (51), a hanging plate (52) is fixedly installed on one side of the cylinder (51), an electric telescopic rod (53) is fixedly installed in the middle of the lower end face of the hanging plate (52), a connecting frame (54) is fixedly installed on the lower end face of the electric telescopic rod (53), a round box (55) is fixedly installed on one side of the connecting frame (54) away from the electric telescopic rod (53), a driving rod (56) is rotatably installed on the middle of the round box (55) in a threaded mode, an extrusion block (57) is fixedly installed on one side of the driving rod (56), a magnetic suction plate (58) is installed on the middle of the round box (55) in a sliding mode in an annular mode, and anti-sliding blocks (59) are installed on two sides of the magnetic suction plate (58) through traction rods.

9. A welding process of a welding apparatus for a metal wine kettle, comprising a welding apparatus for a metal wine kettle as claimed in claim 8, wherein said welding process comprises the steps of:

s1: preparation before welding:

placing a wine pot to be welded on a placing frame (38), then adjusting a guide unit (4) according to the welding position required by the wine pot, starting an electric sliding block to drive a worm (22) to rotate, driving a worm wheel (24) to rotate when the worm (22) rotates, and driving a circular ring (41) to lift through a pushing frame (25) when the worm wheel (24) rotates until a rubber block (48) is leveled with the welding position required;

s2: fixing the wine pot:

starting an electric push rod (47) to push forward to enable rubber blocks (48) on two sides to clamp the outside of the wine kettle, then starting an electric telescopic rod (53) to enable a connecting frame (54) to move downwards to the inside of the wine kettle, then rotating a driving rod (56) clockwise, pushing a magnetic suction plate (58) through a squeezing block (57) until the magnetic suction plate (58) is attached to the inner wall of the metal wine kettle when the driving rod (56) rotates, and then controlling a traction rod to enable an upper anti-slip block (59) and a lower anti-slip block (59) to be contacted with the upper part and the lower part inside the metal wine kettle;

s3: welding wine pot:

the steering rod (462) is rotated to enable the position of the cross plate (463) to move until the welding head (466) is attached to a welding part, the handle (37) is upwards slid, the handle (37) drives the slip ring (34) and the folding plate (35) to ascend so as to surround the guide unit (4), and then the electric sliding block is started to enable the welding head (466) to arc-weld the metal wine pot.