CN112518113B

CN112518113B - Vacuum welding system

Info

Publication number: CN112518113B
Application number: CN202011259908.6A
Authority: CN
Inventors: 程关生; 李文清
Original assignee: Beijing Zhongke Hengsheng Technology Co ltd
Current assignee: Beijing Zhongke Hengsheng Technology Co ltd
Priority date: 2020-11-12
Filing date: 2020-11-12
Publication date: 2022-04-15
Anticipated expiration: 2040-11-12
Also published as: CN112518113A

Abstract

The invention discloses a vacuum welding system, comprising: the vacuum negative pressure cavity is arranged on the working rack, the left end of the vacuum negative pressure cavity is provided with a sealing gate which can be opened and closed, the front wall, the rear wall and the right wall of the vacuum negative pressure cavity are respectively provided with a first observation window and two operation holes, the two operation holes are positioned below the first observation window, the operation holes are connected with operation gloves, and a welding operation mechanism is arranged in the vacuum negative pressure cavity; and a vacuum mechanism and a welding machine are arranged below the working table frame, the vacuum mechanism is communicated with the vacuum negative pressure cavity, and the welding machine is electrically connected with the welding operation mechanism. This vacuum negative pressure chamber has a plurality of positions that can supply the weldment at least, makes things convenient for operating personnel to use to operating personnel carries out manual welding to the weldment under vacuum negative pressure environment, makes the difficult oxidation of welded welding bead surface, and the welding splashes few and the welding bead shaping is good, and inside the welding bead can not get into to the welding slag, makes this vacuum welding system have simple structure, advantage easy and simple to handle.

Description

Vacuum welding system

Technical Field

The invention relates to the technical field of welding equipment, in particular to a vacuum welding system.

Background

Vacuum welding, which means that workpieces are heated in a vacuum chamber and is mainly used for welding products with high quality and easily-oxidized materials. The existing vacuum welding system usually uses automatic equipment to process workpieces, the equipment cost is high, and the operation is complex, so that the vacuum welding system for manually welding in a vacuum environment is needed. Accordingly, there is a need for a vacuum welding system that at least partially solves the problems of the prior art.

Disclosure of Invention

In this summary, concepts in a simplified form are introduced that are further described in the detailed description. This summary of the invention is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter.

To at least partially solve the above problems, the present invention provides a vacuum welding system comprising:

the vacuum negative pressure cavity is arranged on the working table frame, a sealing door which can be opened and closed at the left end of the vacuum negative pressure cavity is arranged on the front wall, the rear wall and the right wall of the vacuum negative pressure cavity, a first observation window and two operation holes are arranged on the front wall, the rear wall and the right wall of the vacuum negative pressure cavity, the two operation holes are positioned below the first observation window, the operation holes are connected with operation gloves, and a welding operation mechanism is arranged in the vacuum negative pressure cavity;

and a vacuum mechanism and a welding machine are arranged below the working table frame, the vacuum mechanism is communicated with the vacuum negative pressure cavity, and the welding machine is electrically connected with the welding operation mechanism.

Preferably, a vacuum pipeline is further arranged in the vacuum negative pressure cavity, the vacuum pipeline is selectively communicated with the vacuum mechanism, and the vacuum mechanism performs vacuum pumping on welding through the vacuum pipeline.

Preferably, the vacuum pipeline includes a first vacuum tube, a second vacuum tube, a sealing sleeve and an inner clamping mechanism, the left end of the first vacuum tube is communicated with the vacuum mechanism, the left end of the second vacuum tube is connected with the right end of the first vacuum tube, a first baffle ring is arranged on the outer wall of the second vacuum tube, the sealing sleeve is sleeved on the second vacuum tube, the left end of the sealing sleeve abuts against the first baffle ring, an inner cavity is arranged in the sealing sleeve, a plurality of memory alloy slats are uniformly distributed on the inner top surface of the inner cavity, a first spring is sleeved on the inner surface of the inner clamping mechanism, the inner clamping mechanism includes a second baffle ring, a second spring, an inner ring plate, an outer ring plate, a pull rope and a winding motor, the second baffle ring is arranged in the inner wall of the second vacuum tube and is positioned on the right side of the first baffle ring, a plurality of strip guide holes are arranged on the second vacuum tube, the inner ring plate is arranged in the second vacuum tube and connected with a plurality of guide rods, the guide rods penetrate through the strip-shaped guide holes, the outer ring plate is sleeved on the second vacuum tube and located at the right end of the sealing clamping sleeve, the inner ring wall of the outer ring plate is connected with the guide rods, the second spring is arranged between the second retaining ring and the inner ring plate, the winding motor is arranged on the left side of the second retaining ring, the left end of the pull rope is connected with the winding motor, and the right end of the pull rope penetrates through the second retaining ring and extends to be connected with the inner ring plate.

Preferably, the vacuum pipeline comprises a third vacuum tube, a seat plate, a plurality of telescopic rods and a plurality of clamps, wherein a suction groove is formed in the upper surface of the seat plate, an annular sealing ring is arranged at a notch of the suction groove, the left end of the third vacuum tube is communicated with the vacuum mechanism, the right end of the third vacuum tube penetrates through the left side wall of the seat plate and is communicated with the suction groove, the left end of the telescopic rod is connected to the outer side wall of the seat plate, and the clamps are arranged on the right end of the telescopic rod and used for clamping welding parts.

Preferably, the method further comprises the following steps:

the laser welding machine, the laser welding machine sets up one side of workstation frame, be provided with the laser instrument on the laser welding machine, the top in vacuum negative pressure chamber is provided with the second observation window, be provided with quartz glass in the second observation window, the transmission mouth of laser instrument is located the top of second observation window, through quartz glass carries out laser welding to the welding element.

Preferably, wherein, the workstation frame has set rotatory telescopic machanism, rotatory telescopic machanism includes electric telescopic handle, flat board, vertical dwang, welding seat and driving motor, electric telescopic handle sets up in the workstation frame, the flat board sets up electric telescopic handle's upper end, be provided with the rotation support on the flat board, the lower extreme of vertical dwang is rotated and is connected in the rotation support, driving motor sets up flat on the board and with vertical dwang rotates to be connected, the upper end of vertical dwang is passed vacuum negative pressure chamber extends to in the vacuum negative pressure chamber, vertical dwang with rotate sealing connection between the vacuum negative pressure chamber, the welding seat sets up the upper end of vertical dwang.

Preferably, the vacuum mechanism includes a base, an outer casing, a vacuum negative pressure pump and a plurality of bearing supports, the outer casing is disposed on the base, the vacuum negative pressure pump is disposed in the outer casing through the plurality of bearing supports, the vacuum negative pressure pump is selectively communicated with the vacuum negative pressure cavity and the vacuum pipeline, the bearing supports include a support sleeve, a first ring plate, a second ring plate and a plurality of intermediate support frames, the first ring plate is sleeved on the vacuum negative pressure pump, the second ring plate is sleeved outside the first ring plate, the plurality of intermediate support frames are uniformly distributed between the second ring plate and the first ring plate, the support sleeve is sleeved on the second ring plate, and the support sleeve is sleeved on the inner wall of the outer casing;

the middle support frame comprises a first support body, a second support body and four-side movable frames, the first support body is arranged on the outer wall of the first annular plate, the second support body is arranged on the inner wall of the second annular plate, the first ends of the four-side movable frames are connected with the first support body, the second ends of the four-side movable frames are connected with the second support body, a third spring is arranged between the third end and the fourth end of the four-side movable frames, the inner wall area of the first support body is smaller than that of the outer wall of the first support body, the first support body is conical, an arc-shaped groove corresponding to the first annular plate is arranged on the inner wall of the first support body, a plurality of plate holes are formed in the arc-shaped groove, a convex groove is formed in the outer wall of the first support body, a convex body is arranged in the convex groove, and a plurality of first elastic blocks are arranged between the convex body, A plurality of second bullet pieces and a plurality of third bullet piece, be provided with on the outer wall of convex body with the first hinge section of thick bamboo of the first end articulated of four sides movable frame.

Preferably, the second supporting body is also provided with a cone, and a second hinge tube hinged to the second end of the four-side movable frame is arranged on the outer wall of the second supporting body.

Preferably, wherein, be provided with the internal stay skeleton in supporting the cover, the internal stay skeleton includes a plurality of frameworks, four skeleton loop bars, four the skeleton loop bar sets up respectively four interior angle departments of framework.

Preferably, the vacuum mechanism is provided with a T-shaped pipe, a first end of the T-shaped pipe penetrates through the outer shell and extends to a working end connected with the vacuum negative pressure pump, a second end of the T-shaped pipe is connected with a first electromagnetic valve, the first electromagnetic valve is communicated with the vacuum negative pressure cavity, a third end of the T-shaped pipe is connected with a second electromagnetic valve, and the second electromagnetic valve is communicated with the vacuum pipeline.

Compared with the prior art, the invention at least comprises the following beneficial effects:

the invention provides a vacuum welding system which comprises a working table frame and a vacuum negative pressure cavity, wherein the vacuum negative pressure cavity is at least provided with a position for welding parts, so that the vacuum negative pressure cavity is convenient for operators to use, and the operators manually weld the welding parts in a vacuum negative pressure environment, so that the surface of a welded welding bead is not easy to oxidize, the welding spatter is less, the welding bead is well formed, welding slag does not enter the inside of a workpiece, the cleaning is easy, meanwhile, the diffusion of smoke is convenient, and the vacuum welding system has the advantages of simple structure and simplicity and convenience in operation.

The vacuum welding system of the present invention, together with additional advantages, objects, and features thereof, will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural diagram of a vacuum welding system according to the present invention.

FIG. 2 is a schematic diagram of a vacuum line of the vacuum welding system according to the present invention in a normal state.

Fig. 3 is a schematic structural diagram of a vacuum pipeline in the vacuum welding system according to the present invention when the vacuum pipeline is clamped to a pillar pipe weldment.

FIG. 4 is another schematic diagram of a vacuum line in the vacuum welding system according to the present invention.

FIG. 5 is a schematic view of a laser welder for a vacuum welding system according to the present invention.

Fig. 6 is a schematic structural diagram of a vacuum mechanism in the vacuum welding system according to the present invention.

Fig. 7 is a schematic structural diagram of a first support in the vacuum welding system according to the present invention.

FIG. 8 is a schematic structural view of a T-tube in the vacuum welding system of the present invention.

Detailed Description

The present invention is further described in detail below with reference to the drawings and examples so that those skilled in the art can practice the invention with reference to the description.

It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.

As shown in fig. 1-8, the present invention provides a vacuum welding system comprising:

the vacuum negative pressure cavity comprises a working table frame 9 and a vacuum negative pressure cavity 1, wherein the vacuum negative pressure cavity 1 is arranged on the working table frame 9, a sealing door 4 which can be opened and closed is arranged at the left end of the vacuum negative pressure cavity 1, a first observation window 2 and two operation holes 3 are respectively arranged on the front wall, the rear wall and the right wall of the vacuum negative pressure cavity 1, the two operation holes 3 are positioned below the first observation window 2, the operation holes 3 are connected with operation gloves, and a welding operation mechanism is arranged in the vacuum negative pressure cavity 1;

a vacuum mechanism 7 and a welding machine 5 are arranged below the workbench frame 9, the vacuum mechanism 7 is communicated with the vacuum negative pressure cavity 1, and the welding machine 5 is electrically connected with the welding operation mechanism.

The working principle of the technical scheme is as follows: an operator opens the sealing door 4, fixes the welding on a welding station, closes the sealing door 4, starts the vacuum mechanism 7 by using a controller (not shown) to extract air in the vacuum negative pressure cavity 1, closes the vacuum mechanism 7 after air extraction is finished, sleeves hands into operating gloves (not shown) from the two operating holes 3, visually observes through the first observation window 2, starts the welding machine 5 and welds a welding piece by using the welding operating mechanism (welding gun), opens the sealing door 4 after welding is finished, and takes out the welding piece; in addition, the operator uses the controller to activate a welding shielding gas device (not shown) to supply welding shielding gas into the vacuum negative pressure chamber 1 so that the welding shielding gas surrounds the weldment, thus performing the welding operation for the welding using the welding operation mechanism.

Wherein, the sealing door 4 that the left end of vacuum negative pressure chamber 1 can open and shut, all be provided with first observation window 2, two handle holes 3 on the antetheca, the back wall and the right wall in vacuum negative pressure chamber 1, two handle holes 3 are located the below of first observation window 2 for this vacuum negative pressure chamber 1 has 3 positions that can supply the weldment at least, makes things convenient for operating personnel to use.

The beneficial effects of the above technical scheme are that: through the design of the structure, the invention provides a vacuum welding system which comprises a working rack 9 and a vacuum negative pressure cavity 1, wherein the vacuum negative pressure cavity 1 at least has 3 positions for welding pieces, so that the vacuum negative pressure cavity is convenient for an operator to use, and the operator manually welds the welding pieces in a vacuum negative pressure environment, so that the surface of a welded welding bead is not easy to oxidize, welding spatters are less, the welding bead is well formed, welding slag cannot enter the inside of the welding bead, the welding bead is easy to clean, and meanwhile, the diffusion of smoke is convenient, so that the vacuum welding system has the advantages of simple structure and simplicity and convenience in operation.

In one embodiment, a vacuum pipeline 6 is further disposed in the vacuum negative pressure cavity 1, the vacuum pipeline 6 is selectively communicated with the vacuum mechanism 7, and the vacuum mechanism 7 vacuumizes the welding through the vacuum pipeline 6.

The working principle of the technical scheme is as follows: after the weldment operation is completed on the weldment, the weld bead on the weldment needs to be detected, and sometimes the weld bead has a micro-leakage defect, so that the weld bead part with the micro-leakage defect needs to be subjected to repair welding, and the weld bead part is dug out of the whole weld bead; in practice, the repair welding is performed again by adopting the welding mode, and the welding is in a state of vacuum negative pressure and welding shielding gas, so that the occurrence of micro-leakage defects still cannot be avoided, so that the repair welding is completed by adopting a welding mode of double vacuum negative pressure in the embodiment, the vacuum pipeline 6 is designed in the embodiment, the vacuum mechanism 7 performs vacuum pumping on the welding through the vacuum pipeline 6, that is, the vacuum pipeline 6 enables the pipeline weldment and the plate weldment to be in a vacuum negative pressure state, then the repair welding is performed on the outgoing part of the welding channel, and at this time, the welding material at the welding channel can be better filled in the excavated welding channel part under the action of the negative pressure.

The beneficial effects of the above technical scheme are that: through the design of above-mentioned structure, provided vacuum line 6 in this embodiment, can accomplish the repair welding to the welding member through this vacuum line 6, avoid the existence of the leak defect a little in the welding bead.

In one embodiment, the vacuum pipeline 6 includes a first vacuum tube 601, a second vacuum tube 602, a sealing sleeve 603, and an inner clamping mechanism, the left end of the first vacuum tube 601 is communicated with the vacuum mechanism 7, the left end of the second vacuum tube 602 is connected with the right end of the first vacuum tube 601, a first stop ring 604 is disposed on the outer wall of the second vacuum tube 602, the sealing sleeve 603 is disposed on the second vacuum tube 602, the left end of the sealing sleeve 603 abuts against the first stop ring 604, an inner cavity 605 is disposed in the sealing sleeve 603, a plurality of memory alloy slats 606 are uniformly distributed on the inner top surface of the inner cavity 605, a first spring 607 is sleeved on the inner surface, the inner clamping mechanism includes a second stop ring 608, a second spring 609, an inner ring plate 610, an outer ring plate 611, a pull rope 614, and a winding motor 615, the second stop ring 608 is disposed in the inner wall of the second vacuum tube 602 and is located on the right side of the first stop ring 604, the second vacuum tube 602 is provided with a plurality of strip guide holes 612, the inner ring plate 610 is disposed inside the second vacuum tube 602 and connected with a plurality of guide rods 613, the guide rods 613 pass through the strip guide holes 612, the outer ring plate 611 is sleeved on the second vacuum tube 602 and located at the right end of the sealing sleeve 603, the inner ring wall of the outer ring plate 611 is connected with the plurality of guide rods 613, the second spring 609 is disposed between the second retaining ring 608 and the inner ring plate 610, the winding motor 615 is disposed at the left side of the second retaining ring 608, the left end of the pulling rope 614 is connected with the winding motor 615, and the right end passes through the second retaining ring 608 and extends to be connected with the inner ring plate 610.

The working principle of the technical scheme is as follows: taking a pipeline weldment as an example, specifically, the right end of the pipeline weldment is sealed firstly, then the right end of the second vacuum tube 602 is connected with the left end of the pipeline weldment, an operator uses a controller to start the vacuum mechanism 7, the vacuum mechanism 7 performs vacuum negative pressure pumping on the pipeline weldment through the first vacuum tube 601 and the second vacuum tube 602, so that the pipeline weldment is in a vacuum negative pressure state, then repair welding is performed on a part where a welding channel is going out, and at the moment, welding materials at the welding channel can be better filled in the dug-out welding channel part under the action of negative pressure inside the pipeline weldment;

in addition, since the inner diameters of different pipeline weldments are different, the second vacuum tube 602 needs to be suitable for pipeline weldments with different inner diameters within a certain range, so in this embodiment, a sealing sleeve 603 is disposed on the second vacuum tube 602, the inner locking mechanism includes a second blocking ring 608, a second spring 609, an inner ring plate 610, an outer ring plate 611, a pulling rope 614 and a winding motor 615, an operator uses a controller to start the winding motor 615, the winding motor 615 drives the pulling rope 614 to move leftward, the inner ring plate 610 in the second vacuum tube 602 is pulled leftward by the pulling rope 614, the inner ring plate 610 moves leftward to compress the second spring 609, since the inner ring plate 610 is connected to the outer ring plate 611 through a plurality of guide rods 613, the inner ring plate 610 drives the outer ring plate 611 to move leftward along a strip-shaped guide hole 612 at the same time, the inner ring plate 610 presses the right end of the sealing sleeve 603, and the left end of the sealing sleeve 603 is blocked by the first blocking ring 604, because the inner cavity 605 is designed in the sealing cutting sleeve 603, the plurality of memory alloy slats 606 and the first springs 607 are designed in the inner cavity 605, the first springs 607 contract after being extruded, and the memory alloy slats 606 arch upwards after being extruded, the sealing cutting sleeve 603 expands outwards while contracting inwards, the outer wall of the sealing cutting sleeve 603 is tightly attached to the inner wall of the pipeline weldment to achieve the sealing effect, and then the operator starts the vacuum mechanism 7 to work;

after the vacuum mechanism 7 stops working, under the action of the first spring 607, the memory alloy strip 606 and the second spring 609, the inner ring plate 610 drives the pull rope 614 to move rightwards, the sealing clamp sleeve 603 and the inner clamp mechanism return to the original state, and the second vacuum tube 602 is conveniently taken out from the pipeline weldment.

The beneficial effects of the above technical scheme are that: through the design of the above structure, the present embodiment provides a specific structure of the vacuum pipeline 6, the vacuum pipeline 6 includes a first vacuum tube 601, a second vacuum tube 602, a sealing sleeve 603 and an inner clamping mechanism, the inner clamping mechanism includes a second stop ring 608, a second spring 609, an inner ring plate 610, an outer ring plate 611, a pull rope 614 and a winding motor 615, and the inner clamping mechanism and the sealing sleeve 603 cooperate with each other to make the second vacuum tube 602 suitable for pipeline weldments with different inner diameters, which facilitates the completion of repair welding of the pipeline weldments by an operator.

In one embodiment, the vacuum pipeline 6 includes a third vacuum tube 620, a seat plate 621, a plurality of telescopic rods 622 and a plurality of clamps 623, wherein a suction groove 624 is disposed on an upper surface of the seat plate 621, a notch of the suction groove 624 is provided with an annular sealing ring 625, a left end of the third vacuum tube 620 is communicated with the vacuum mechanism 7, a right end of the third vacuum tube 620 penetrates through a left side wall of the seat plate 621 and is communicated with the suction groove 624, a left end of the telescopic rod 622 is connected to an outer side wall of the seat plate 621, and the clamps 623 are disposed on a right end of the telescopic rod 622 and are used for clamping a welding part.

The working principle of the technical scheme is as follows: in order to be suitable for repair welding of micro-leakage defects of a plate weldment, the vacuum pipeline 6 in the embodiment comprises three vacuum pipes 620, a seat plate 621, a plurality of telescopic rods 622 and a plurality of clamps 623, the plate is placed on the seat plate 621, so that the welding bead is above the suction groove 624, an annular sealing ring 625 on the suction groove 624 can enable the suction groove 624 and the lower surface of the seat plate 621 to be in a sealing state, an operator adjusts the telescopic rods 622 to enable the clamps 623 to be close to the edges of the plate, and then the plate is clamped by the clamps 623; therefore, when an operator uses the controller to start the vacuum mechanism 7, the vacuum mechanism 7 sucks the suction groove 624 through the third vacuum tube 620, so that the suction groove 624 is in a negative pressure state, the operator carries out welding on the weld bead again, and the space between the weldment and the vacuum negative pressure cavity 1 is continuously filled with welding protective gas, so that repair welding on the weld bead can be well completed.

The beneficial effects of the above technical scheme are that: through the design of the above structure, the present embodiment provides another structure of the vacuum pipeline 6, and the vacuum pipeline 6 of the structure includes the third vacuum tube 620, the seat plate 621, the plurality of telescopic rods 622, and the plurality of clamps 623, which can be suitable for repairing the micro-leakage defect of the plate weldment, and increase the application range of the vacuum welding system of the present invention.

In one embodiment, further comprising:

the laser welding machine 10, the laser welding machine 10 sets up one side of workstation 9, be provided with laser instrument 11 on the laser welding machine 10, the top in vacuum negative pressure chamber 1 is provided with second observation window 12, be provided with quartz glass in the second observation window 12, the transmission port of laser instrument 11 is located the top of second observation window 12, through the quartz glass carries out laser welding to the welding member.

The working principle of the technical scheme is as follows: in order to further increase the application range of the vacuum welding system of the invention, a laser welding machine 10 is arranged on one side of the workbench frame 9, a second observation window 12 is arranged on the top of the vacuum negative pressure cavity 1, quartz glass 13 is arranged in the second observation window 12, and a laser 11 on the laser welding machine 10 is arranged on the second observation window 12, so that a transmitting port of the laser 11 emits laser to the second observation window 12, and welding is carried out on a welding piece after passing through the quartz glass.

The beneficial effects of the above technical scheme are that: through the design of the structure, the laser welding machine 10 is provided in the embodiment, and the second observation window 12 is arranged at the top of the vacuum negative pressure cavity 1, so that the laser welding machine 10 can be used in cooperation, and the application range of the vacuum welding system of the invention is enlarged.

In one embodiment, the working platform 9 is equipped with a rotary telescopic mechanism, the rotary telescopic mechanism comprises an electric telescopic rod 901, a horizontal plate 902, a vertical rotating rod 903, a welding seat 904 and a driving motor 905, the electric telescopic rod 901 is arranged in the working stand 9, the flat plate 902 is arranged at the upper end of the electric telescopic rod 901, a rotating support is arranged on the flat plate 902, the lower end of the vertical rotating rod 903 is rotatably connected in the rotating support 906, the driving motor 905 is disposed on the flat plate 902 and is rotatably connected to the vertical rotating rod 903, the upper end of the vertical rotating rod 903 penetrates through the vacuum negative pressure cavity 1 and extends into the vacuum negative pressure cavity 1, vertical dwang 903 with rotate sealing connection between the vacuum negative pressure chamber 1, the setting of welding seat 904 is in the upper end of vertical dwang 903.

The working principle of the technical scheme is as follows: the weldment is welded in the vacuum negative pressure cavity 1 by an operator, and the welding bead has length, so that the operation space of the operator in the vacuum negative pressure cavity 1 is limited, and the weldment sometimes needs to be rotated; moreover, sometimes a linear weld bead between two plates is welded, sometimes an annular weld bead between pipelines is welded, so in order to facilitate welding operation for an operator, a rotary telescopic mechanism is provided in the embodiment, specifically, the operator uses a controller to start a driving motor 905, the driving motor 905 drives a vertical rotating rod 903 to rotate, the vertical rotating rod 903 drives a welding seat 904 to rotate, and weldments on the welding seat 904 are rotated together, so that the weldments are convenient for the operator; when the height needs to be adjusted, an operator uses the controller to start the electric telescopic rod 901, the electric telescopic rod 901 pushes the flat plate 902 to move upwards, and then the weldment is lifted, so that the operator can conveniently adjust the weldment;

wherein, the vertical dwang 903 and vacuum negative pressure chamber 1 between rotate sealing connection, prevent to appear leaking the phenomenon between the two, specific principle is not being repeated.

The beneficial effects of the above technical scheme are that: through the design of above-mentioned structure, provide the concrete structure of rotatory telescopic machanism in this embodiment, this rotatory telescopic machanism includes electric telescopic handle 901, flat board 902, vertical dwang 903, welding seat 904 and driving motor 905, makes things convenient for operating personnel to carry out position control, the welding of better completion weldment.

In one embodiment, the vacuum mechanism 7 comprises a base 701, an outer housing 702, a vacuum suction pump 703 and a plurality of carrying brackets, the outer shell 702 is arranged on the base 701, the vacuum negative pressure pump 703 is arranged in the outer shell 702 through a plurality of bearing brackets, the vacuum negative pressure pump 703 is selectively communicated with the vacuum negative pressure cavity 1 and the vacuum pipeline 6 respectively, the bearing bracket comprises a supporting sleeve 704, a first ring plate 705, a second ring plate 706 and a plurality of intermediate supporting frames, the first ring plate 705 is sleeved on the vacuum negative pressure pump 703, the second ring plate 706 is sleeved outside the first ring plate 705, a plurality of intermediate support frames are uniformly distributed between the second ring plate 706 and the first ring plate 705, the support sleeve 704 is sleeved on the second ring plate 706, and the support sleeve 704 is sleeved on the inner wall of the outer shell 702;

the middle support frame comprises a first support body 707, a second support body 708 and a four-side movable frame 709, the first support body 707 is arranged on the outer wall of the first annular plate 705, the second support body 708 is arranged on the inner wall of the second annular plate 706, a first end of the four-side movable frame 709 is connected with the first support body 707, a second end of the four-side movable frame 709 is connected with the second support body 708, a third spring 724 is arranged between a third end and a fourth end of the four-side movable frame 709, the inner wall area of the first support body 707 is smaller than the outer wall area of the first support body 707, the first support body 707 is conical, an arc-shaped groove 710 corresponding to the first annular plate 705 is arranged on the inner wall of the first support body 707, a plurality of plate holes 711 is arranged in the arc-shaped groove 710, a convex-shaped groove 712 is arranged in the outer wall of the first support body 707, a convex body 713 is arranged in the convex groove 712, a plurality of first spring blocks 714, a plurality of second spring blocks 715 and a plurality of third spring blocks 716 are arranged between the convex groove 712 and the convex body 713, and a first hinge 717 hinged with the first end of the four-side movable frame 709 is arranged on the outer wall of the convex body 713.

The working principle of the technical scheme is as follows: in the embodiment, the vacuum mechanism 7 comprises a base 701, an outer shell 702, a vacuum negative pressure pump 703 and a plurality of bearing supports, wherein the outer shell 702 is installed on the base 701, the base 701 is fixed in the workbench frame 9, and the vacuum negative pressure pump 703 is installed in the outer shell 702, so that the outer shell 702 can reduce the noise transmission because the vacuum negative pressure pump 703 can generate noise and vibration during working; the plurality of bearing supports are designed between the vacuum negative pressure pump 703 and the outer shell 702 to play a role in buffering and counteracting the vibration of the vacuum negative pressure pump 703, specifically, each bearing support comprises a support sleeve 704, a first annular plate 705, a second annular plate 706 and a plurality of intermediate support frames, the support sleeve 704 is sleeved on the outer wall of the vacuum negative pressure pump 703, the support sleeve 704 is connected with the first annular plate 705, the first annular plate 705 is connected with the second annular plate 706 through a plurality of intermediate support frames, that is, the bearing supports the vacuum negative pressure pump 703 inside the outer shell 702, and the plurality of intermediate support frames are uniformly designed, so when the vacuum negative pressure pump 703 vibrates, the plurality of intermediate support frames restrict and counteract the vibration 703 generated by the vacuum negative pressure pump, specifically,

the middle support frame comprises a first support body 707, a second support body 708 and a four-side movable frame 709, wherein the four-side movable frame 709 is a quadrilateral frame body formed by hinging four support rods, and has better deformation capacity, the four-side movable frame 709 is positioned between the first support body 707 and the second support body 708, a third spring 724 is arranged between a third end and a fourth end of the four-side movable frame 709, the third spring 724 is a pressure spring, and the phenomenon that the distance between the third end and the fourth end is too large, so that the four-side movable frame 709 has an inward deformation tendency, and the whole middle support frame has better support effect; an arc-shaped groove 710 is designed on the inner wall of the first supporting body 707, so that the arc-shaped groove 710 is attached and fixed on the first annular plate 705, and then a stud penetrates through the first annular plate 705 to be connected in the plate hole 711 to fix the first supporting body 707 on the first annular plate 705;

the outer wall of the first supporting body 707 is provided with a convex groove 712, the convex groove 712 is internally provided with a convex body 713, the convex body 713 is supported and fixed in the convex groove 712 through a plurality of first elastic blocks 714, a plurality of second elastic blocks 715 and a plurality of third elastic blocks 716, so that the convex body 713 and the first supporting body 707 have a good elastic buffering effect, the outer wall of the convex body 713 is provided with a first hinge 717, the first hinge 717 is hinged with the first end of the four-side movable frame 709, the deformation buffering effect of the four-side movable frame 709 is further increased, and further when the vacuum negative pressure pump 703 vibrates, the bearing support plays a good vibration buffering and offsetting effect, and the influence of the vibration on the vacuum negative pressure pump 703 is reduced.

The beneficial effects of the above technical scheme are that: through the design of the above structure, the present embodiment provides a specific structure of the vacuum mechanism 7, and the vacuum mechanism 7 of the structure includes a base 701, an outer shell 702, a vacuum negative pressure pump 703 and a plurality of bearing supports, wherein the outer shell 702 can reduce the propagation of noise; the multiple bearing supports are designed between the vacuum negative pressure pump 703 and the outer shell 702, and each bearing support comprises a support sleeve 704, a first ring plate 705, a second ring plate 706 and multiple intermediate support frames, so that the vibration buffering and offsetting effect on the vacuum negative pressure pump 703 is achieved, and the influence of vibration on the vacuum negative pressure pump 703 is reduced.

In one embodiment, the second supporting body 708 is also tapered, and a second hinge cylinder 718 hinged to the second end of the four-sided movable frame 709 is disposed on an outer wall of the second supporting body 708.

The working principle of the technical scheme is as follows: in this embodiment, a specific structure of the second supporting body 708 is provided, the second hinge cylinder 718 is designed on the outer wall of the second supporting body 708, and the second end of the four-side movable frame 709 is hinged to the second hinge cylinder 718, so as to facilitate the contraction and deformation of the four-side movable frame 709.

The beneficial effects of the above technical scheme are that: through the design of the above structure, the specific structure of the second supporting body 708 is provided in this embodiment, the second hinge cylinder 718 is designed on the outer wall of the second supporting body 708, so as to facilitate the contraction and deformation of the four-side movable frame 709, and the second supporting body 708 is fixedly connected with the inner wall of the outer shell 702, so as to prevent the play of the middle supporting frame.

In one embodiment, an inner supporting framework is disposed in the supporting sleeve 704, the inner supporting framework includes a plurality of frame bodies 719 and four framework sleeve rods 720, and the four framework sleeve rods 720 are disposed at four inner corners of the frame bodies 719 respectively.

The working principle of the technical scheme is as follows: because the supporting sleeve 704 is sleeved on the outer wall of the vacuum negative pressure pump 903, in order to prevent the supporting sleeve 704 from deforming and shifting circumferentially, an inner supporting framework is designed in the supporting sleeve 704 in the embodiment, the inner supporting framework comprises a plurality of framework bodies 716 and four framework sleeve rods 720, the framework bodies 716 are uniformly distributed along the circumference of the supporting sleeve 704, and the four framework sleeves 720 are respectively arranged at four inner corners of the framework bodies 719, so that the supporting sleeve 704 has better deformation resistance;

the support sleeve 704 can be made of wear-resistant rubber material, and the stud penetrates through the first ring plate and the support sleeve 704 to the plate hole, so that the first support body 707, the support sleeve 704 and the first ring plate 705 are connected.

The beneficial effects of the above technical scheme are that: through the design of above-mentioned structure, provided the concrete structure of support cover 704 in this embodiment, the support cover 704 of this structure plays the effect of preapring for an unfavorable turn of events through the internal stay skeleton for this support cover 704 has better anti deformability, and can prolong the life of support cover 704.

In one embodiment, the vacuum mechanism 7 is provided with a T-shaped pipe 721, a first end of the T-shaped pipe 721 passes through the outer shell 702 and extends to be connected with a working end of the vacuum negative pressure pump 703, a second end of the T-shaped pipe 721 is connected with a first electromagnetic valve 722, the first electromagnetic valve 722 is communicated with the vacuum negative pressure chamber 1, a third end of the T-shaped pipe 721 is connected with a second electromagnetic valve 723, and the second electromagnetic valve 723 is communicated with the vacuum pipeline 6.

The working principle of the technical scheme is as follows: in this embodiment, a T-shaped pipe 721 is provided for the vacuum mechanism 7, the T-shaped pipe 721 is a three-way pipe, specifically, when the vacuum mechanism is used, an operator starts the vacuum negative pressure pump 703 and the first electromagnetic valve 722 through the controller (the second electromagnetic valve 723 is in a closed state), the vacuum negative pressure pump 703 enables the vacuum negative pressure chamber 1 to be in a vacuum negative pressure state through the T-shaped pipe 721 and the first electromagnetic valve 722, then the vacuum negative pressure pump 703 and the first electromagnetic valve 722 are closed, the operator supplies welding protection gas into the vacuum negative pressure tank 1, so that the welding protection gas surrounds the welded part, and then the welding operation mechanism is used to perform welding operation on the welded part;

when a weld bead of the weldment has a micro-leakage defect and the weldment needs to be subjected to repair welding, an operator uses the vacuum negative pressure pump 703, the second electromagnetic valve 723 (the first electromagnetic valve 722 is in a closed state) and the vacuum pipeline 6 to vacuumize and reduce the inside or the bottom of the weld at the moment, and then uses the welding operation mechanism to perform welding operation on the weld bead needing repair welding on the weld, so that the weld of the weldment is sequentially completed.

The beneficial effects of the above technical scheme are that: through the design of the above structure, the structures such as the T-shaped pipe 721, the first electromagnetic valve 722, the second electromagnetic valve 723 and the like provided in the present embodiment specifically realize the communication between the vacuum mechanism 7 and the vacuum negative pressure cavity 1, the vacuum pipeline 6, and further facilitate the welding of the welding parts by the operator.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

While embodiments of the invention have been disclosed above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.

Claims

1. A vacuum welding system, comprising:

the vacuum negative pressure cavity comprises a workbench frame (9) and a vacuum negative pressure cavity (1), wherein the vacuum negative pressure cavity (1) is arranged on the workbench frame (9), a sealing door (4) capable of being opened and closed is arranged at the left end of the vacuum negative pressure cavity (1), a first observation window (2) and two operation holes (3) are arranged on the front wall, the rear wall and the right wall of the vacuum negative pressure cavity (1), the two operation holes (3) are positioned below the first observation window (2), the operation holes (3) are connected with operation gloves, and a welding operation mechanism is arranged in the vacuum negative pressure cavity (1);

a vacuum mechanism (7) and a welding machine (5) are arranged below the working table frame (9), the vacuum mechanism (7) is communicated with the vacuum negative pressure cavity (1), and the welding machine (5) is electrically connected with the welding operation mechanism;

a vacuum pipeline (6) is further arranged in the vacuum negative pressure cavity (1), the vacuum pipeline (6) is selectively communicated with the vacuum mechanism (7), and the vacuum mechanism (7) is used for vacuumizing the vacuum negative pressure cavity (1) through the vacuum pipeline (6);

the vacuum pipeline (6) comprises a first vacuum pipe (601), a second vacuum pipe (602), a sealing clamp sleeve (603) and an inner clamping mechanism, the left end of the first vacuum pipe (601) is communicated with the vacuum mechanism (7), the left end of the second vacuum pipe (602) is connected with the right end of the first vacuum pipe (601), a first retaining ring (604) is arranged on the outer wall of the second vacuum pipe (602), the sealing clamp sleeve (603) is arranged on the second vacuum pipe (602), the left end of the sealing clamp sleeve (603) is abutted against the first retaining ring (604), an inner cavity (605) is arranged in the sealing clamp sleeve (603), a plurality of memory alloy slats (606) are uniformly distributed on the inner top surface of the inner cavity (605), a first spring (607) is sleeved on the inner bottom surface, and the inner clamping mechanism comprises a second retaining ring (608), a second spring (609), an inner ring plate (610), An outer ring plate (611), a pull rope (614) and a winding motor (615), wherein the second baffle ring (608) is arranged in the inner wall of the second vacuum tube (602) and is positioned at the right side of the first baffle ring (604), a plurality of strip-shaped guide holes (612) are arranged on the second vacuum tube (602), the inner ring plate (610) is arranged in the second vacuum tube (602) and is connected with a plurality of guide rods (613), the guide rods (613) penetrate through the strip-shaped guide holes (612), the outer ring plate (611) is sleeved on the second vacuum tube (602) and is positioned at the right end of the sealing clamping sleeve (603), the inner ring wall of the outer ring plate (611) is connected with the plurality of guide rods (613), the second spring (609) is arranged between the second baffle ring (608) and the inner ring plate (610), and the winding motor (615) is arranged at the left side of the second baffle ring (608), and the left end of the pull rope (614) is connected with the winding motor (615), and the right end of the pull rope passes through the second baffle ring (608) and extends to be connected with the inner ring plate (610).

2. The vacuum welding system of claim 1, characterized in that the vacuum pipeline (6) comprises a third vacuum tube (620), a seat plate (621), a plurality of telescopic rods (622) and a plurality of clamps (623), wherein a suction groove (624) is arranged on the upper surface of the seat plate (621), a ring-shaped sealing ring (625) is arranged on the notch of the suction groove (624), the left end of the third vacuum tube (620) is communicated with the vacuum mechanism (7), the right end of the third vacuum tube (620) penetrates through the left side wall of the seat plate (621) and is communicated with the suction groove (624), the left end of the telescopic rod (622) is connected to the outer side wall of the seat plate (621), and the clamps (623) are arranged on the right end of the telescopic rod (622) and are used for clamping welding parts.

3. The vacuum welding system of claim 1, further comprising:

laser welding machine (10), laser welding machine (10) set up one side of work bench (9), be provided with laser instrument (11) on laser welding machine (10), the top of vacuum negative pressure chamber (1) is provided with second observation window (12), be provided with quartz glass in second observation window (12), the transmission opening of laser instrument (11) is located the top of second observation window (12), through quartz glass carries out laser welding to the weldment.

4. The vacuum welding system according to claim 1, characterized in that the work bench (9) is equipped with a rotary telescoping mechanism, the rotary telescoping mechanism comprises an electric telescopic rod (901), a horizontal plate (902), a vertical rotating rod (903), a welding seat (904) and a driving motor (905), the electric telescopic rod (901) is arranged in the work bench (9), the horizontal plate (902) is arranged at the upper end of the electric telescopic rod (901), a rotating support is arranged on the horizontal plate (902), the lower end of the vertical rotating rod (903) is rotatably connected in the rotating support, the driving motor (905) is arranged on the horizontal plate (902) and rotatably connected with the vertical rotating rod (903), the upper end of the vertical rotating rod (903) passes through the vacuum negative pressure chamber (1) and extends into the vacuum negative pressure chamber (1), vertical dwang (903) with rotate sealing connection between vacuum negative pressure chamber (1), welding seat (904) set up the upper end of vertical dwang (903).

5. The vacuum welding system of claim 1, characterized in that the vacuum mechanism (7) comprises a base (701), an outer shell (702), a vacuum negative pressure pump (703) and a plurality of carrying supports, the outer shell (702) is arranged on the base (701), the vacuum negative pressure pump (703) is arranged in the outer shell (702) through the plurality of carrying supports, the vacuum negative pressure pump (703) is selectively communicated with the vacuum negative pressure chamber (1) and the vacuum pipeline (6), respectively, the carrying supports comprise a supporting sleeve (704), a first ring plate (705), a second ring plate (706) and a plurality of intermediate supporting frames, the first ring plate (705) is sleeved on the vacuum negative pressure pump (703), the second ring plate (706) is sleeved outside the first ring plate (705), and the plurality of intermediate supporting frames are uniformly distributed between the second ring plate (706) and the first ring plate (705), the supporting sleeve (704) is sleeved on the first ring plate (705), and the supporting sleeve (704) is sleeved on the inner wall of the first ring plate (705);

the middle support frame comprises a first support body (707), a second support body (708) and a four-side movable frame (709), the first support body (707) is arranged on the outer wall of the first annular plate (705), the second support body (708) is arranged on the inner wall of the second annular plate (706), the first end of the four-side movable frame (709) is connected with the first support body (707), the second end of the four-side movable frame (709) is connected with the second support body (708), a third spring (724) is arranged between the third end and the fourth end of the four-side movable frame (709), the area of the inner wall of the first support body (707) is smaller than that of the outer wall of the first support body (707), the first support body (707) is conical, an arc-shaped groove (710) corresponding to the first annular plate (705) is arranged on the inner wall of the first support body (707), and a plurality of plate holes (711) are arranged in the arc-shaped groove (710), be provided with convex groove (712) in the outer wall of first supporter (707), be provided with convex body (713) in convex groove (712), and convex groove (712) with be provided with a plurality of first bullet pieces (714), a plurality of second bullet piece (715) and a plurality of third bullet piece (716) between convex body (713), be provided with on the outer wall of convex body (713) with the first end articulated first hinge section of thick bamboo (717) of four sides movable frame (709).

6. The vacuum welding system of claim 5, wherein the second supporting body (708) is also tapered, and a second hinge cylinder (718) hinged to the second end of the four-sided movable frame (709) is provided on an outer wall of the second supporting body (708).

7. The vacuum welding system of claim 5, characterized in that an inner supporting framework is arranged in the supporting sleeve (704), the inner supporting framework comprises a plurality of frame bodies (719) and four framework sleeve rods (720), and the four framework sleeve rods (720) are respectively arranged at four inner corners of the frame bodies (719).

8. Vacuum welding system according to claim 5, characterized in that the vacuum mechanism (7) is provided with a T-shaped pipe (721), a first end of the T-shaped pipe (721) passes through the outer shell (702) and extends to be connected with a working end of the vacuum negative pressure pump (703), a second end of the T-shaped pipe (721) is connected with a first electromagnetic valve (722), the first electromagnetic valve (722) is communicated with the vacuum negative pressure cavity (1), a third end of the T-shaped pipe (721) is connected with a second electromagnetic valve (723), and the second electromagnetic valve (723) is communicated with the vacuum pipeline (6).