CN209792921U - Tank body carrying assembly for tank body welding robot - Google Patents
Tank body carrying assembly for tank body welding robot Download PDFInfo
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- CN209792921U CN209792921U CN201822022044.0U CN201822022044U CN209792921U CN 209792921 U CN209792921 U CN 209792921U CN 201822022044 U CN201822022044 U CN 201822022044U CN 209792921 U CN209792921 U CN 209792921U
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Abstract
The utility model discloses a jar body transport subassembly for jar body welding robot, including slidable mounting the transport chassis on the base guide rail, be equipped with transport lift universal wheel on the transport chassis, the top surface on transport chassis is equipped with jar body bracket. The welding machine is suitable for welding the tank body.
Description
Technical Field
The utility model relates to a welding field, in particular to a jar body transport subassembly for jar body welding robot.
Background
at present, in the welding process of some tank bodies, the circular seam welding of the tank bodies generally adopts the automatic welding of a welding positioner, the automatic welding makes great progress in the aspects of solving the problems of manual welding quality and efficiency, but for some larger tank bodies, the automatic welding of circular seams and straight seams is difficult to realize by adopting the welding positioner.
therefore, it is necessary to develop a can welding robot to automatically weld the circular seam and the straight seam of the can. However, during the welding process, the tank body is generally carried by the workers, so that the labor intensity of the workers is greatly improved.
Disclosure of Invention
The utility model aims at overcoming the not enough of above-mentioned background art, provide a jar body transport subassembly for jar body welding robot.
in order to realize above mesh, the utility model provides a pair of a jar body transport subassembly for jar body welding robot, but including slidable mounting the transport chassis on the base guide rail, be equipped with transport lift universal wheel on the transport chassis, the top surface on transport chassis is equipped with a jar body bracket.
Through adding the carrying lifting universal wheels and the tank body bracket on the carrying chassis which is slidably arranged on the base guide rail, the tank body can be carried on the ground after being placed on the assembly and can slide on the base guide rail, so that the operation intensity of workers is greatly reduced, and the efficiency is higher.
in the above scheme, the carrying lifting universal wheel comprises a carrying universal wheel body, a carrying mounting screw is arranged on the top surface of the carrying universal wheel body, the carrying universal wheel body is inserted into the carrying chassis through the carrying mounting screw, and a carrying operating rod is transversely inserted into the top end of the carrying mounting screw. The lifting structure for carrying the lifting universal wheels is combined with the universal wheels, so that the lifting and carrying of the carrying chassis are simply and conveniently realized.
in the above scheme, the number of the tank body brackets is 2, 2 the tank body brackets are arranged on the top surface of the carrying chassis at intervals in parallel, each tank body bracket comprises two vertical support rods arranged at intervals in parallel and an arc-shaped support rod, the arc-shaped inner surface of each arc-shaped support rod is matched with the outer surface of the tank body, the arc-shaped outer surfaces of the arc-shaped support rods are connected with the upper ends of the two vertical support rods, and the lower ends of the two vertical support rods are arranged on the carrying chassis. Through designing into the arc internal surface of arc die-pin and cooperate with the surface of the jar body, can avoid causing the damage to the jar body like this, support moreover more firmly.
In the above scheme, a gasket is arranged on the arc inner surface of the arc-shaped supporting rod. The added gasket can further avoid damaging the tank body and can also play a role in skid resistance.
The utility model provides a beneficial effect that technical scheme brought is:
1. The carrying lifting universal wheels and the tank body bracket are additionally arranged on the carrying chassis which can be slidably arranged on the base guide rail, so that the tank body can be carried on the ground after being placed on the assembly and can also slide on the base guide rail, thereby greatly reducing the operation intensity of workers and having higher efficiency;
2. The lifting structure for carrying the lifting universal wheels is combined with the universal wheels, so that the lifting and carrying of the carrying chassis are simply and conveniently realized;
3. The arc-shaped inner surface of the arc-shaped support rod is designed to be matched with the outer surface of the tank body, so that the tank body can be prevented from being damaged, and the support is more stable;
4. The added gasket can further avoid damaging the tank body and can also play a role in skid resistance.
drawings
FIG. 1 is a schematic structural view of a can welding robot;
FIG. 2 is a schematic view of the structure of FIG. 1 from another perspective;
FIG. 3 is a side view schematic of the structure of FIG. 1;
FIG. 4 is a schematic structural view of a three-jaw chuck;
FIG. 5 is a schematic view of the alternate view structure of FIG. 4;
FIG. 6 is a schematic structural view of a three-jaw chuck in a use state;
FIG. 7 is a schematic structural view of a Z-axis electric slide table;
FIG. 8 is a schematic front view of the structure of FIG. 7;
FIG. 9 is a rear view of the structure of FIG. 7;
fig. 10 is a schematic bottom view of the structure of fig. 7.
In the figure, a base 1, a base guide rail 1a, a tank body support driving assembly 2, a first support table 2a, a first bearing seat 2b, a driving chain wheel 2c, a driving chain 2d, a first three-jaw chuck 2e, a tank body support assembly 3, a support table bottom plate 3a, a second support table 3b, a second bearing seat 3c, a second three-jaw chuck 3d, a support lifting universal wheel 3e, a support universal wheel body 3e1, a support mounting screw 3e2, a support operating rod 3e3, a column 4, an X-axis beam 5, a welding assembly 6, a top surface X-axis guide rail 6a, an L-shaped sliding plate 6b, an X-axis driving motor 6c, an X-axis driving gear 6d, an X-axis rack 6e, a Z-axis electric sliding table 6f, a sliding table base 6f1, a sliding table motor 6f2, a sliding table screw 6f3, a sliding table guide rail 6f4, a sliding table slider 6f5, a welding gun mounting seat 6g, a, 6i of a welding gun, 6j of a lateral X-axis guide rail, 6k of an X-axis sliding seat, 6m of a wire feeding mechanism, 7 of a tank body carrying assembly, 7a of a carrying chassis, 7b of a carrying lifting universal wheel, 7b1 of a carrying universal wheel body, 7b2 of a carrying mounting screw rod, 7b3 of a carrying operating rod, 7c of a tank body bracket, 7c1 of a vertical supporting rod, 7c2 of an arc-shaped supporting rod, 8 of a tank body clamping claw, 8a of an anti-skid gasket and a tank body a.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
Example 1:
as shown in fig. 1, the present embodiment provides a can body transporting assembly for a can body welding robot, which includes a transporting chassis 7a slidably mounted on a base rail 1a, a transporting lifting universal wheel 7b provided on the transporting chassis 7a, and a can body bracket 7c provided on a top surface of the transporting chassis 7 a. Through adding the carrying lifting universal wheels 7b and the tank body bracket 7c on the carrying chassis 7a which is slidably arranged on the base guide rail 1a, the tank body a can be carried on the ground after being placed on the assembly and can slide on the base guide rail 1a, thereby greatly reducing the operation intensity of workers and having higher efficiency.
The carrying lifting universal wheel 7b comprises a carrying universal wheel body 7b1, a carrying mounting screw 7b2 is arranged on the top surface of the carrying universal wheel body 7b1, the carrying universal wheel body 7b1 is inserted into the carrying chassis 7a through the carrying mounting screw 7b2, and a carrying operating rod 7b3 is transversely inserted into the top end of the carrying mounting screw 7b 2. The lifting structure of the carrying lifting universal wheel 7b is combined with the universal wheel, so that the lifting and carrying of the carrying chassis 7a are realized simply and conveniently.
the number of the tank body brackets 7c is 2, 2 the tank body brackets 7c are arranged on the top surface of the carrying chassis 7a at intervals, each tank body bracket 7c comprises two vertical support rods 7c1 and an arc-shaped supporting rod 7c2 which are arranged at intervals in parallel, the arc-shaped inner surface of the arc-shaped supporting rod 7c2 is matched with the outer surface of the tank body a, the arc-shaped outer surface of the arc-shaped supporting rod 7c2 is connected with the upper ends of the two vertical support rods 7c1, and the lower ends of the two vertical support rods 7c1 are arranged on the carrying chassis 7 a. By designing the arc-shaped inner surface of the arc-shaped supporting rod 7c2 to match with the outer surface of the can body a, the damage to the can body a can be avoided, and the support is more stable. The arc-shaped inner surface of the arc-shaped supporting rod 7c2 is provided with a gasket. The added gasket can further avoid damaging the tank body a and can also play a role in skid resistance.
In the embodiment, the conveying lifting universal wheels 7b and the tank body bracket 7c are additionally arranged on the conveying chassis 7a which is slidably arranged on the base guide rail 1a, so that the tank body a can be conveyed on the ground after being placed on the assembly and can also slide on the base guide rail 1a, thereby greatly reducing the operation intensity of workers and having higher efficiency.
meanwhile, the lifting structure of the carrying lifting universal wheel 7b is combined with the universal wheel, so that the lifting and carrying of the carrying chassis 7a are simply and conveniently realized; the arc-shaped inner surface of the arc-shaped supporting rod 7c2 is designed to be matched with the outer surface of the can body a, so that the can body a can be prevented from being damaged, and the supporting is more stable; the added gasket can further avoid damaging the tank body a and can also play a role in skid resistance.
example 2:
As shown in fig. 1, the tank welding robot provided in this embodiment includes a base 1, a tank supporting driving assembly 2 is fixedly mounted at one end of the base 1, the tank supporting driving assembly 2 includes a first supporting platform 2a fixedly mounted on the base 1, a three-jaw chuck driving motor is mounted in the first supporting platform 2a, a first bearing seat 2b is arranged on the top surface of the first supporting platform 2a, a first rotating shaft is mounted in the first bearing seat 2b, a driving sprocket 2c is mounted at one end of the first rotating shaft, the driving sprocket 2c is in transmission connection with an output end of the three-jaw chuck driving motor through a driving chain 2d, and a first three-jaw chuck 2e is mounted at the other end of the first rotating shaft; a base guide rail 1a is respectively installed on two sides of the base 1, a tank body supporting assembly 3 is installed at the other end of the base 1 in a sliding mode through the base guide rail 1a, the tank body supporting assembly 3 comprises a supporting platform bottom plate 3a installed on the base guide rail 1a in a sliding mode and a second supporting platform 3b installed on the supporting platform bottom plate 3a, a second bearing seat 3c is arranged on the top surface of the second supporting platform 3b, a second rotating shaft is installed in the second bearing seat 3c, and a second three-jaw chuck 3d is installed at one end, facing the first three-jaw chuck 2e, of the second rotating shaft; one side of base 1 is along vertically installing X axle crossbeam 5 through stand 4, slidable mounting has welding assembly 6 on X axle crossbeam 5, welding assembly 6 includes top surface X axle guide rail 6a, L type slide 6b, X axle driving motor 6c, X axle drive gear 6d, X axle rack 6e, the electronic slip table of Z axle 6f, welder mount pad 6g, the meticulous adjusting part in position 6h and welder 6i, top surface X axle guide rail 6a is along vertically laying on the top surface of X axle crossbeam 5, vertically laid on the lateral surface of X axle crossbeam 5 the X axle rack 6e, L type slide 6b transverse arrangement, the xarm of L type slide 6b slidable mounting be in on top surface X axle guide rail 6a, correspond on the xarm of L type slide 6b the position of X axle rack 6e is installed X axle driving motor 6c, install on X axle driving motor 6 c's the output shaft X axle driving gear 6d, X axle driving gear 6d with X axle rack 6e meshes, L type slide 6 b's perpendicular arm is arranged towards jar body an, install on L type slide 6 b's the perpendicular arm Z axle electric sliding table 6f, install on Z axle electric sliding table 6 f's the slip table slider welder mount pad 6g, install on welder mount pad 6g the meticulous adjusting part in position 6h, install on the meticulous adjusting part in position 6h welder 6 i.
The specific structure of the position fine adjustment assembly 6h can be referred to in chinese patent CN201611244557.5, and is not described herein again. The supporting table bottom plate 3a is provided with a locking device corresponding to the base guide rail 1a, the locking device is used for fixing the position of the tank body supporting assembly 3, and the locking device can adopt a braking structure and a clamping limiting structure.
The two ends of the tank body a are clamped tightly through the two three-jaw chucks, the three-jaw chucks are driven by the three-jaw chuck driving motor to rotate, the three-jaw chucks drive the tank body a to rotate, welding in the circumferential direction of the tank body a can be achieved, meanwhile, the welding assembly 6 is controlled to move on the X-axis cross beam 5, welding in the axial direction of the tank body a can be achieved, and the whole welding process is simple, convenient and efficient.
the tank body carrying assembly 7 is arranged in the middle of the base 1 in a sliding mode through the base guide rail 1a, the tank body carrying assembly 7 comprises a carrying chassis 7a, the carrying chassis 7a is arranged on the base guide rail 1a in a sliding mode, carrying lifting universal wheels 7b are arranged on the carrying chassis 7a, and a tank body bracket 7c is arranged on the top face of the carrying chassis 7 a. The tank body carrying assembly 7 is added, so that the tank body a can be conveniently carried, the operation intensity of workers is reduced, and the efficiency is higher. The carrying lifting universal wheel 7b comprises a carrying universal wheel body 7b1, a carrying mounting screw 7b2 is arranged on the top surface of the carrying universal wheel body 7b1, the carrying universal wheel body 7b1 is inserted into the carrying chassis 7a through the carrying mounting screw 7b2, and a carrying operating rod 7b3 is transversely inserted into the top end of the carrying mounting screw 7b 2. The lifting structure of the carrying lifting universal wheel 7b is combined with the universal wheel, so that the lifting and carrying of the carrying chassis 7a are realized simply and conveniently.
The quantity of above-mentioned jar body bracket 7c is 2, 2 jar body bracket 7c parallel interval arrangement is in on the top surface of transport chassis 7a, every jar body bracket 7c includes vertical bracing piece 7c1 and an arc die-pin 7c2 of two parallel interval arrangements, the arc internal surface of arc die-pin 7c2 cooperatees with jar external surface of a, the arc external surface of arc die-pin 7c2 with two the upper end of vertical bracing piece 7c1 links to each other, two the lower extreme of vertical bracing piece 7c1 is installed on the transport chassis 7a, be equipped with the gasket on the arc internal surface of arc die-pin 7c 2. The arc-shaped inner surface of the arc-shaped supporting rod 7c2 is designed to be matched with the outer surface of the can body a, so that the can body a can be prevented from being damaged, and the supporting is more stable; the added gasket can further avoid damaging the tank body a and can also play a role in skid resistance.
the three jack catchs of above-mentioned first three-jaw chuck 2e with all install a jar body jack catch 8 on the three jack catch of second three-jaw chuck 3d, jar body jack catch 8 is L type structure, the internal surface of the chucking end of jar body jack catch 8 be with jar body a's surface matched with arc structure. The tank body clamping jaw 8 with the L-shaped structure is additionally arranged on the three-jaw chuck, and the inner surface of the clamping end of the tank body clamping jaw 8 is designed into an arc-shaped structure matched with the outer surface of the tank body a, so that the tank body a is conveniently clamped and is more firmly clamped. And an anti-skid gasket 8a is arranged on the inner surface of the clamping end of the tank body clamping jaw 8. The added anti-slip gasket 8a can clamp the tank body clamping jaw 8 more firmly, and can also avoid damaging the tank body a.
the supporting platform bottom plate 3a is provided with a supporting lifting universal wheel 3e, the supporting lifting universal wheel 3e comprises a supporting universal wheel body 3e1, a supporting mounting screw rod 3e2 is arranged on the top surface of the supporting universal wheel body 3e1, the supporting universal wheel body 3e1 is inserted into the supporting platform bottom plate 3a through the supporting mounting screw rod 3e2, and a supporting operating rod 3e3 is transversely inserted into the top end of the supporting mounting screw rod 3e 2. The combination of the lifting structure for supporting the lifting universal wheels 3e and the universal wheels realizes the lifting and moving of the supporting platform bottom plate 3a simply and conveniently.
The vertical arm of the L-shaped sliding plate 6b is arranged downwards, and a lateral X-axis guide rail 6j is arranged between the vertical arm of the L-shaped sliding plate 6b and the inner side surface of the X-axis beam 5. The added lateral X-axis guide rail 6j can ensure that the welding assembly 6 slides more stably and reliably. An X-axis sliding seat 6k is installed on the top surface of a cross arm of the L-shaped sliding plate 6b, and a wire feeding mechanism 6m for feeding wires to the welding gun 6i is installed on the X-axis sliding seat 6 k. By arranging the X-axis slide 6k and the wire feeder 6m on the top surface of the crossbar of the L-shaped slide 6b, the L-shaped slide 6b is more uniformly stressed, and the sliding of the welding assembly 6 is more stable and reliable.
The Z-axis electric sliding table 6f comprises a sliding table base 6f1, a sliding table motor 6f2, a sliding table screw rod 6f3, a sliding table guide rail 6f4 and a sliding table sliding block 6f5, the sliding table base 6f1 is vertically arranged on the vertical arm of the L-shaped sliding plate 6b, the sliding table motor 6f2 is fixedly arranged on the sliding table base 6f1, the sliding table screw rod 6f3 is arranged on the sliding table base 6f1 in a longitudinal rotatable manner, the sliding table screw rod 6f3 is coaxially connected with an output shaft of the sliding table motor 6f2, two sides of the sliding table base 6f1 are respectively paved with one sliding table guide rail 6f4, two ends of the sliding table slide block 6f5 are respectively and correspondingly arranged on the two sliding table guide rails 6f4 in a sliding way, and the sliding table sliding block 6f5 is sleeved on the sliding table screw rod 6f3 in a threaded mode, and the welding gun mounting seat 6g is mounted on the sliding table sliding block 6f 5.
The two ends of the tank body a are clamped tightly by the two three-jaw chucks, the three-jaw chucks are driven by the three-jaw chuck driving motor to rotate, the three-jaw chucks drive the tank body a to rotate, welding in the circumferential direction of the tank body a can be achieved, meanwhile, the welding assembly 6 is controlled to move on the X-axis beam 5, welding in the axial direction of the tank body a can be achieved, and the whole welding process is simple, convenient and efficient.
Meanwhile, the additional tank body carrying assembly 7 facilitates the carrying of the tank body a, so that the operation intensity of workers is reduced, and the efficiency is higher; the lifting structure of the carrying lifting universal wheel 7b is combined with the universal wheel, so that the lifting and carrying of the carrying chassis 7a are simply and conveniently realized; the arc-shaped inner surface of the arc-shaped supporting rod 7c2 is designed to be matched with the outer surface of the can body a, so that the can body a can be prevented from being damaged, and the supporting is more stable; the added gasket can further avoid damaging the tank body a and can also play a role in skid resistance.
In addition, in the embodiment, the tank body clamping jaw 8 with the L-shaped structure is additionally arranged on the three-jaw chuck, and the inner surface of the clamping end of the tank body clamping jaw 8 is designed into the arc-shaped structure matched with the outer surface of the tank body a, so that the tank body a is conveniently clamped and is clamped more firmly; the added anti-slip gasket 8a can clamp the tank body clamping jaw 8 more firmly, and can also avoid damaging the tank body a.
Finally, the lifting structure for supporting the lifting universal wheels 3e is combined with the universal wheels, so that the lifting and the moving of the supporting platform bottom plate 3a are simply and conveniently realized; the added lateral X-axis guide rail 6j can ensure that the welding assembly 6 slides more stably and reliably; by arranging the X-axis slide 6k and the wire feeder 6m on the top surface of the crossbar of the L-shaped slide 6b, the L-shaped slide 6b is more uniformly stressed, and the sliding of the welding assembly 6 is more stable and reliable.
example 3:
as shown in fig. 1, the welding method of the can body welding robot provided by this embodiment includes the following steps:
(1) Spot welding a can body a1 and two can bottoms a2 together to obtain a can body a to be welded;
(2) Clamping the can body a to be welded between the first three-jaw chuck 2e and the second three-jaw chuck 3 d;
(3) Adjusting the welding gun 6i to the position of the seam between the can body a1 and one can bottom a 2;
(4) rotating the first three-jaw chuck 2e to drive the can body a to be welded to rotate together, and completing the welding between the can body a1 and one can bottom a2 by the welding gun 6 i;
(5) Rotating the first three-jaw chuck 2e to adjust the position of the seam on the can body a1 and to adjust the position of the welding gun 6i so that the welding gun 6i is aligned with the seam on the can body a 1;
(6) The X-axis driving motor 6c drives the welding gun 6i to move along the X axis, and the welding of the abutted seam on the can body a1 is completed;
(7) adjusting the welding gun 6i to the position of the seam splicing of the can body a1 and the other can bottom a 2;
(8) And rotating the first three-jaw chuck 2e to drive the can body a to be welded to rotate together, and completing the welding between the can body a1 and the other can bottom a2 by the welding gun 6 i.
The embodiment further comprises the following steps:
(9) after welding, adjusting the carrying lifting universal wheel 7b to enable the carrying lifting universal wheel 7b to fall to the ground, and enabling the tank bracket 7c to support the welded tank a;
(10) loosening the first three-jaw chuck 2e and the second three-jaw chuck 3d to allow the welded can a to completely rest on the can body bracket 7 c;
(11) Adjusting the carrying lifting universal wheels 7b again to enable the carrying chassis 7a to fall on the base guide rail 1 a;
(12) removing the can body support assembly 3 from the base rails 1a and moving the carrier chassis 7a to the end of the base rails 1 a;
(13) then adjusting the carrying lifting universal wheel 7b to enable the carrying lifting universal wheel 7b to fall to the ground, and enabling the carrying chassis 7a to be completely separated from the base guide rail 1 a;
(14) And moving the welded can body a to a required position through the carrying lifting universal wheel 7 b.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (4)
1. The tank body carrying assembly for the tank body welding robot is characterized by comprising a carrying chassis (7a) which is slidably mounted on a base guide rail (1a), wherein carrying lifting universal wheels (7b) are arranged on the carrying chassis (7a), and a tank body bracket (7c) is arranged on the top surface of the carrying chassis (7 a).
2. the can body carrying assembly for a can body welding robot according to claim 1, wherein said carrying elevating universal wheel (7b) comprises a carrying universal wheel body (7b1), a carrying mounting screw (7b2) is provided on the top surface of said carrying universal wheel body (7b1), said carrying universal wheel body (7b1) is inserted on said carrying chassis (7a) through said carrying mounting screw (7b2), and a carrying operating rod (7b3) is transversely inserted on the top end of said carrying mounting screw (7b 2).
3. the tank handling assembly for a tank welding robot as claimed in claim 1, wherein said tank carriers (7c) are 2 in number, 2 said tank carriers (7c) are arranged in parallel and spaced apart on the top surface of said handling chassis (7a), each of said tank carriers (7c) comprises two vertical support bars (7c1) arranged in parallel and spaced apart and an arc-shaped carrier bar (7c2), the arc-shaped inner surface of said arc-shaped carrier bar (7c2) is fitted to the outer surface of the tank (a), the arc-shaped outer surface of said arc-shaped carrier bar (7c2) is connected to the upper ends of said two vertical support bars (7c1), and the lower ends of said two vertical support bars (7c1) are mounted on said handling chassis (7 a).
4. the can handling assembly for a can welding robot according to claim 3, wherein said arc-shaped lever (7c2) has a spacer on its arc-shaped inner surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822022044.0U CN209792921U (en) | 2018-12-03 | 2018-12-03 | Tank body carrying assembly for tank body welding robot |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822022044.0U CN209792921U (en) | 2018-12-03 | 2018-12-03 | Tank body carrying assembly for tank body welding robot |
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| Publication Number | Publication Date |
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| CN209792921U true CN209792921U (en) | 2019-12-17 |
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| CN201822022044.0U Active CN209792921U (en) | 2018-12-03 | 2018-12-03 | Tank body carrying assembly for tank body welding robot |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115283912A (en) * | 2022-10-09 | 2022-11-04 | 靖江王子橡胶有限公司 | Corrosion-resistant reation kettle interface welding equipment |
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2018
- 2018-12-03 CN CN201822022044.0U patent/CN209792921U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115283912A (en) * | 2022-10-09 | 2022-11-04 | 靖江王子橡胶有限公司 | Corrosion-resistant reation kettle interface welding equipment |
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