CN118081092B - Welding device for circular seam of frying furnace - Google Patents
Welding device for circular seam of frying furnace Download PDFInfo
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- CN118081092B CN118081092B CN202410501267.2A CN202410501267A CN118081092B CN 118081092 B CN118081092 B CN 118081092B CN 202410501267 A CN202410501267 A CN 202410501267A CN 118081092 B CN118081092 B CN 118081092B
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- 238000003466 welding Methods 0.000 title claims abstract description 69
- 238000003825 pressing Methods 0.000 claims abstract description 46
- 230000007246 mechanism Effects 0.000 claims abstract description 21
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000003921 oil Substances 0.000 abstract description 24
- 239000008157 edible vegetable oil Substances 0.000 abstract description 7
- 238000012545 processing Methods 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 22
- 230000008569 process Effects 0.000 description 21
- 230000005489 elastic deformation Effects 0.000 description 3
- 230000003028 elevating effect Effects 0.000 description 3
- 238000005381 potential energy Methods 0.000 description 3
- 230000008093 supporting effect Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Abstract
The application provides a welding device for a circular seam of a frying furnace, which belongs to the technical field of processing of catering equipment and comprises the following components: the frying furnace bearing die is detachably connected to the welding table, a cylindrical cavity which can be matched with the oil discharge pipe orifice is formed in the frying furnace bearing die, a vertical plate is fixedly connected to the bottom of the frying furnace bearing die, and a fixing piece for fixing the bent pipe is arranged at the top of the vertical plate; the outer cambered surface of the top seat is provided with a plurality of ball spring plungers for concentrically positioning the bent pipe and the oil discharge pipe orifice; the side wall of the lifting platform is movably inserted with a U-shaped handle, a plurality of locking holes are formed in the vertical plate, a rack plate is arranged at the bottom of the lifting platform, the bottom of the vertical plate is rotationally connected with a rope shaft, a traction rope is wound on the rope shaft, and a gear is arranged on the rope shaft; the edge pressing mechanism is arranged on the lifting table; a welding mechanism arranged on the welding table; the application can reduce the probability of leakage of edible oil caused by the failure of effective sealing between the bent pipe and the frying furnace after welding.
Description
Technical Field
The application relates to the technical field of processing of catering equipment, in particular to a welding device for a circular seam of a frying furnace.
Background
An ultrasonic fryer is an apparatus for heating and frying food using ultrasonic technology, in which molecules of a substance are accelerated by ultrasonic vibration, thereby generating friction and heat energy. The frying stove needs to discharge and collect the edible oil after being used, so that the bottom of the frying stove needs to be provided with an oil discharge pipe orifice, and then the right-angle bent pipe is welded to the oil discharge pipe orifice at the bottom of the frying stove.
The annular skirt edge is reserved in the manufacturing process of the frying furnace when the oil drain pipe orifice is punched, the annular skirt edge can be melted in subsequent laser welding and serves as a welding material to connect the bent pipe with the frying furnace, and only the welding part is heated by laser in the laser welding without adding the welding material.
At present, the welding work of the bent pipe and the frying furnace needs to be manually clamped together and the alignment state is guaranteed, then the annular skirt edge is pressed to be attached to the outer wall of the bent pipe, but the alignment precision is difficult to guarantee during manual operation, the aligned bent pipe and the annular skirt edge on the frying furnace are easy to deviate and misplace again along with the development of the edge pressing work, the attaching degree of the annular skirt edge and the outer wall of the bent pipe is not easy to control, the bent pipe and the frying furnace are not effectively sealed after welding, and the situation that edible oil leaks in the frying furnace in the subsequent use process possibly occurs is possibly caused.
Disclosure of Invention
In view of the above, the application provides a welding device for a circular seam of a frying furnace, which adopts a flexible centering mode to enable an elbow pipe to be aligned with an oil discharge pipe orifice on the frying furnace rapidly, and can simultaneously provide support for an annular skirt in the edge pressing process, so that the bonding degree of the annular skirt and the outer wall of the elbow pipe is improved to a certain extent, and the probability of leakage of edible oil caused by ineffective sealing of the elbow pipe and the frying furnace after welding is completed is reduced.
In order to solve the technical problems, the application provides a welding device for a circular seam of a frying furnace, comprising: the frying furnace bearing die is detachably connected to the welding table, a cylindrical cavity which can be matched with the oil discharge pipe orifice is formed in the frying furnace bearing die, a vertical plate is fixedly connected to the bottom of the frying furnace bearing die, and a fixing piece for fixing the bent pipe is arranged at the top of the vertical plate; the top seat is vertically and slidably connected inside the cylindrical cavity through a first elastic piece, and a plurality of ball spring plungers are arranged on the outer cambered surface of the top seat at equal angles and are used for concentrically positioning the bent pipe and the oil discharge pipe orifice; the lifting platform is vertically and slidably connected to the side wall of the vertical plate, the side wall is movably inserted with a U-shaped handle, the vertical plate is provided with a plurality of locking holes for the U-shaped handle to be inserted, the bottom of the lifting platform is provided with a rack plate, the bottom of the vertical plate is rotationally connected with a rope shaft, a traction rope penetrating through a cylindrical cavity and fixedly connected with a top seat is wound on the rope shaft, and a gear capable of being meshed with the rack plate is arranged on the rope shaft; the edge pressing mechanism is arranged on the lifting table and used for pressing the annular skirt edge on the outer wall of the bent pipe; and the welding mechanism is arranged on the welding table and is used for welding the bent pipe at the oil discharge pipe orifice of the frying furnace.
Through adopting above-mentioned technical scheme, under initial condition, the U-shaped handle should insert in the locking hole that is located the eminence, personnel will fry the stove back-up earlier on frying stove carrier die, then place the oil extraction mouth of pipe department of frying stove with the return bend, the footstock can insert the return bend inside thereupon this moment, a plurality of ball spring plungers can carry out the self-adaptation and stretch out and draw back, utilize the even elastic deformation of a plurality of ball spring plungers to accomplish the centering of return bend and prop tightly and return bend and the concentric positioning of oil extraction mouth of pipe, then the return bend is fixed through the mounting. Then the annular skirt edge on the frying furnace is pressed and stuck on the outer wall of the bent pipe through the matching of the edge pressing mechanism, and the top seat can provide a certain supporting effect for edge pressing work in the process, so that the probability that the annular skirt edge is sunken to the inside of the oil discharge pipe orifice due to overlarge edge pressing acting force is reduced. After the blank pressing is completed, personnel manually withdraw the U-shaped handle from the locking hole located at the high position, and simultaneously force is applied to drive the lifting table to move downwards through the U-shaped handle until the U-shaped handle can be inserted into the locking hole located at the low position, at the moment, due to the influence of meshing relationship of the rack plate and the gear, the rope shaft can rotate along with the U-shaped handle to enable the traction rope to be wound, and then the top seat slides downwards in the cylindrical cavity, so that the top seat is not contacted with the frying furnace any more, and the top seat and the frying furnace are prevented from being connected together in the subsequent welding process of the welding mechanism.
The oil discharge pipe orifice on the return bend and the frying furnace is aligned fast in an elastic centering mode, meanwhile, the support can be provided for the annular skirt edge in the edge pressing process, the fitting degree of the annular skirt edge and the outer wall of the return bend is improved to a certain extent, and the probability of edible oil leakage caused by the fact that the return bend and the frying furnace are not sealed effectively after welding is finished is reduced.
Optionally, the mounting includes the bracket of fixed connection at riser top, has the briquetting that is used for compressing tightly the return bend through vertical sliding connection of second elastic component on the bracket.
Through adopting above-mentioned technical scheme, personnel accomplish the centering work to the return bend after, the briquetting can be accomplished to the pressure of return bend and hold fixedly because of the elastic potential energy influence of second elastic component cooperation bracket to follow-up blank pressing or welding in-process return bend take place the position skew.
Optionally, the blank holder mechanism is including rotating the swing arm of connection at the elevating platform top, and the arc spout sliding connection who sets up on the swing arm has the arc pressure disk, and the inside third elastic component that is used for making the arc pressure disk retract to the inside of arc spout that is provided with of arc spout.
Optionally, a spring pin is arranged on the lifting platform, and a positioning hole for inserting the spring pin is formed in the swing arm.
Through adopting above-mentioned technical scheme, when carrying out the blank holder during operation, the grab handle application of force that independent setting was gone up to personnel's accessible swing arm and arc pressure disk makes the swing arm rotatory earlier until arc pressure disk and annular shirt rim align, then manually makes the arc pressure disk overcome the elasticity of third elastic component and take place to slide at the arc spout again, and then makes annular shirt rim pressurized and laminate on the return bend outer wall. The position of the swing arm can be locked through the cooperation of the spring pin and the positioning hole in the process, and meanwhile, a person can judge whether the swing arm is in place or not through observing the inserting state of the spring pin and the positioning hole, so that the person can conveniently control the edge pressing process.
Optionally, the welding mechanism includes a multi-axis mechanical arm disposed on the welding table, and a laser welding gun is disposed at an execution end of the multi-axis mechanical arm.
In summary, compared with the prior art, the application has at least one of the following beneficial technical effects:
1. The oil discharge pipe orifice on the return bend and the frying furnace is aligned fast in an elastic centering mode, meanwhile, the support can be provided for the annular skirt edge in the edge pressing process, the fitting degree of the annular skirt edge and the outer wall of the return bend is improved to a certain extent, and the probability of edible oil leakage caused by the fact that the return bend and the frying furnace are not sealed effectively after welding is finished is reduced.
2. After the edge pressing work is completed, the top seat and the lifting table can synchronously move downwards, so that motion interference is avoided to follow-up welding work by the top seat and the lifting table, and the probability that the annular skirt edge is difficult to sufficiently melt due to blocking of the top seat and the lifting table by the laser welding gun in the welding process is reduced.
3. Compared with the conventional lifting and lowering side pressing mode, the rotary side pressing mode can reduce motion interference suffered by subsequent welding work. The position of the swing arm can be locked through the cooperation of the spring pin and the positioning hole, and meanwhile, a person can judge whether the swing arm is in place or not through observing the inserting state of the spring pin and the positioning hole, so that the person can conveniently control the edge pressing process.
Drawings
FIG. 1 is a schematic structural view of a welding device for a circular seam of a frying oven according to the present application;
FIG. 2 is a schematic view of the structure of the carrying mold of the frying oven according to the present application;
FIG. 3 is an enlarged view of a portion of area A of FIG. 2 in accordance with the present application;
FIG. 4 is an enlarged view of a portion of region B of FIG. 2 in accordance with the present application;
FIG. 5 is a cross-sectional view of the fryer carrier mold of the application;
FIG. 6 is an enlarged view of a portion of region C of FIG. 5 in accordance with the present application;
fig. 7 is a cross-sectional view of the elevating platform of the present application.
Reference numerals illustrate: 1. a welding table; 2. carrying a mold for the frying oven; 21. a cylindrical cavity; 22. a vertical plate; 23. a first elastic member; 3. a fixing member; 31. a bracket; 32. a second elastic member; 33. briquetting; 4. a top base; 41. ball spring plunger; 5. a lifting table; 51. a U-shaped handle; 52. a locking hole; 53. rack plate; 54. a rope shaft; 55. a traction rope; 56. a gear; 6. edge pressing mechanism; 61. swing arms; 62. an arc chute; 63. an arc-shaped pressure plate; 64. a third elastic member; 7. a welding mechanism; 71. a multi-axis mechanical arm; 72. a laser welding gun; 8. a spring pin; 81. and positioning holes.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to fig. 1 to 7 of the embodiments of the present application. It will be apparent that the described embodiments are some, but not all, embodiments of the application. All other embodiments, which are obtained by a person skilled in the art based on the described embodiments of the application, fall within the scope of protection of the application.
Referring to fig. 1,2, 3, 5 and 6, the present embodiment provides a welding device for a circular seam of a fryer, which includes a fryer bearing die 2 detachably connected to a welding table 1, a cylindrical cavity 21 capable of matching with an oil drain pipe orifice is formed inside the fryer bearing die 2, a vertical plate 22 is fixedly connected to the bottom of the fryer bearing die 2, and a fixing member 3 for fixing an elbow is arranged at the top of the vertical plate 22; the inside of the cylindrical cavity 21 is vertically and slidably connected with a top seat 4 through a first elastic piece 23, and a plurality of ball spring plungers 41 are arranged on the outer cambered surface of the top seat 4 at equal angles and are used for concentrically positioning an elbow pipe and an oil discharge pipe orifice; the side wall of the vertical plate 22 is vertically and slidably connected with a lifting table 5, the side wall of the lifting table 5 is movably inserted with a U-shaped handle 51, a plurality of locking holes 52 for inserting the U-shaped handle 51 are formed in the vertical plate 22, a rack plate 53 is arranged at the bottom of the lifting table 5, a rope shaft 54 is rotatably connected to the bottom of the vertical plate 22, a traction rope 55 penetrating through the cylindrical cavity 21 and fixedly connected with the top seat 4 is wound on the rope shaft 54, and a gear 56 capable of being meshed with the rack plate 53 is arranged on the rope shaft 54; the lifting table 5 is provided with a blank holder mechanism 6 for pressing and pasting the annular skirt edge on the outer wall of the bent pipe; the welding table 1 is provided with a welding mechanism 7 for welding the bent pipe at the oil discharge pipe orifice of the frying furnace.
In the initial state, the U-shaped handle 51 is inserted into the locking hole 52 at the high position, a person firstly reversely buckles the frying oven on the frying oven bearing die 2, then places the bent pipe at the oil discharge pipe orifice of the frying oven, at the moment, the top seat 4 is inserted into the bent pipe along with the inside of the bent pipe, the ball spring plungers 41 are self-adaptively telescopic, the uniform elastic deformation of the ball spring plungers 41 is utilized to complete centering and tightening of the bent pipe and concentric positioning of the bent pipe and the oil discharge pipe orifice, and then the bent pipe is fixed through the fixing piece 3.
Then the annular skirt edge on the frying furnace is pressed and stuck on the outer wall of the bent pipe through the matching of the edge pressing mechanism 6, and the top seat 4 can provide a certain supporting effect for edge pressing work in the process, so that the probability that the annular skirt edge is sunken to the inside of the oil discharge pipe orifice due to overlarge edge pressing acting force is reduced.
After the edge pressing is finished, a person manually pulls the U-shaped handle 51 out of the locking hole 52 at a high position, and drives the lifting table 5 to move downwards through the force applied by the U-shaped handle 51 until the U-shaped handle 51 can be inserted into the locking hole 52 at a low position, and at the moment, due to the influence of the meshing relationship of the rack plate 53 and the gear 56, the rope shaft 54 rotates along with the U-shaped handle, so that the traction rope 55 is wound, the top seat 4 is further slid down in the cylindrical cavity 21, the top seat 4 is not contacted with the frying furnace any more, and the top seat 4 and the frying furnace are prevented from being connected together in the subsequent welding process of the welding mechanism 7.
The oil discharge pipe orifice on the return bend and the frying furnace is aligned fast in an elastic centering mode, meanwhile, the support can be provided for the annular skirt edge in the edge pressing process, the fitting degree of the annular skirt edge and the outer wall of the return bend is improved to a certain extent, and the probability of edible oil leakage caused by the fact that the return bend and the frying furnace are not sealed effectively after welding is finished is reduced.
Referring to fig. 2 and 4, the fixing member 3 includes a bracket 31 fixedly coupled to the top of the riser 22, and a pressing block 33 for pressing the bent pipe is vertically slidably coupled to the bracket 31 through a second elastic member 32.
After the centering of the bent pipe is completed, the pressing block 33 can be matched with the bracket 31 to complete the clamping and fixing of the bent pipe due to the influence of the elastic potential energy of the second elastic piece 32, so that the bent pipe is prevented from being shifted in the subsequent edge pressing or welding process.
Referring to fig. 2,4 and 7, the edge pressing mechanism 6 includes a swing arm 61 rotatably connected to the top of the lifting platform 5, an arc-shaped slide groove 62 formed on the swing arm 61 is slidably connected with an arc-shaped pressure plate 63, and a third elastic member 64 for retracting the arc-shaped pressure plate 63 into the arc-shaped slide groove 62 is disposed in the arc-shaped slide groove 62.
Referring to fig. 4 and 7, the elevating platform 5 is provided with a spring pin 8, and the swing arm 61 is provided with a positioning hole 81 into which the spring pin 8 is inserted.
When the edge pressing work is performed, a person can apply force through the handles independently arranged on the swing arm 61 and the arc-shaped pressure plate 63, the swing arm 61 is firstly rotated until the arc-shaped pressure plate 63 is aligned with the annular skirt edge, then the arc-shaped pressure plate 63 overcomes the elastic force of the third elastic piece 64 and slides in the arc-shaped chute 62 manually, and the annular skirt edge is pressed to be attached to the outer wall of the elbow. In the process, the position of the swing arm 61 can be locked through the cooperation of the spring pin 8 and the positioning hole 81, and meanwhile, a person can judge whether the swing arm 61 is in place or not by observing the inserting state of the spring pin 8 and the positioning hole 81, so that the person can conveniently control the edge pressing process.
Referring to fig. 1, the welding mechanism 7 includes a multi-axis robot arm 71 provided on the welding table 1, and a laser welding gun 72 is provided at an execution end of the multi-axis robot arm 71.
The multi-axis mechanical arm 71 comprises three linear motors capable of driving the laser welding gun 72 to move in the horizontal, vertical and vertical linear directions respectively and two rotating motors for enabling the laser welding gun 72 to change in circumferential angle or inclination angle, so that the spatial position of the laser welding gun 72 can be freely adjusted to meet welding work with different requirements.
The embodiment of the application provides a welding device for a circular seam of a frying furnace, which comprises the following implementation principle:
In the initial state, the U-shaped handle 51 is inserted into the locking hole 52 at the high position, a person firstly reversely buckles the frying oven on the frying oven carrying die 2, then places the bent pipe at the oil discharge pipe orifice of the frying oven, at the moment, the top seat 4 is inserted into the bent pipe along with the bent pipe, the ball spring plungers 41 are self-adaptively telescopic, and the uniform elastic deformation of the ball spring plungers 41 is utilized to finish centering and tightening of the bent pipe and concentric positioning of the bent pipe and the oil discharge pipe orifice.
Then, the pressing block 33 cooperates with the bracket 31 to fix the bent pipe due to the elastic potential energy of the second elastic member 32, so as to prevent the bent pipe from being shifted in position in the subsequent edge pressing or welding process.
When the edge pressing work is performed, a person can apply force through the handles independently arranged on the swing arm 61 and the arc-shaped pressure plate 63, the swing arm 61 is firstly rotated until the arc-shaped pressure plate 63 is aligned with the annular skirt edge, then the arc-shaped pressure plate 63 overcomes the elastic force of the third elastic piece 64 and slides in the arc-shaped chute 62 manually, and the annular skirt edge is pressed to be attached to the outer wall of the elbow. In the process, the position of the swing arm 61 can be locked through the cooperation of the spring pin 8 and the positioning hole 81, and meanwhile, a person can judge whether the swing arm 61 is in place or not by observing the inserting state of the spring pin 8 and the positioning hole 81, so that the person can conveniently control the edge pressing process.
The footstock 4 can provide certain supporting role for the blank pressing work in the blank pressing process, reduces the probability that the annular skirt edge is sunken to the inside of the oil drain pipe orifice due to overlarge blank pressing acting force.
After the edge pressing is finished, a person manually pulls the U-shaped handle 51 out of the locking hole 52 at a high position, and drives the lifting table 5 to move downwards through the force applied by the U-shaped handle 51 until the U-shaped handle 51 can be inserted into the locking hole 52 at a low position, and at the moment, due to the influence of the meshing relationship of the rack plate 53 and the gear 56, the rope shaft 54 rotates along with the U-shaped handle, so that the traction rope 55 is wound, the top seat 4 is further slid down in the cylindrical cavity 21, the top seat 4 is not contacted with the frying furnace any more, and the top seat 4 and the frying furnace are prevented from being connected together in the subsequent welding process of the welding mechanism 7.
Furthermore, it should be noted that, in the description of the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application can be understood by those skilled in the art according to the specific circumstances.
While the foregoing is directed to the preferred embodiments of the present application, it will be appreciated by those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present application, and such modifications and adaptations are intended to be comprehended within the scope of the present application.
Claims (4)
1. Welding set of frying stove girth, its characterized in that includes:
The frying furnace bearing die (2) is detachably connected to the welding table (1), a cylindrical cavity (21) which can be matched with the oil discharge pipe orifice is formed in the frying furnace bearing die, a vertical plate (22) is fixedly connected to the bottom of the frying furnace bearing die (2), and a fixing piece (3) for fixing the bent pipe is arranged at the top of the vertical plate (22);
the top seat (4) is vertically and slidably connected inside the cylindrical cavity (21) through a first elastic piece (23), and a plurality of ball spring plungers (41) are arranged on the outer cambered surface of the top seat (4) at equal angles and are used for concentrically positioning the bent pipe and the oil discharge pipe orifice;
The lifting platform (5) is vertically and slidingly connected to the side wall of the vertical plate (22), a U-shaped handle (51) is movably inserted into the side wall, a plurality of locking holes (52) for the U-shaped handle (51) to be inserted into are formed in the vertical plate (22), rack plates (53) are arranged at the bottom of the lifting platform (5), a rope shaft (54) is rotatably connected to the bottom of the vertical plate (22), a traction rope (55) penetrating through the cylindrical cavity (21) and fixedly connected with the top seat (4) is wound on the rope shaft (54), and gears (56) capable of being meshed with the rack plates (53) are arranged on the rope shaft (54);
the edge pressing mechanism (6) is arranged on the lifting table (5) and used for pressing the annular skirt edge on the outer wall of the bent pipe;
A welding mechanism (7) arranged on the welding table (1) and used for welding the bent pipe at the oil discharge pipe orifice of the frying furnace;
The edge pressing mechanism (6) comprises a swing arm (61) rotatably connected to the top of the lifting table (5), an arc-shaped sliding groove (62) formed in the swing arm (61) is slidably connected with an arc-shaped pressing plate (63), and a third elastic piece (64) used for enabling the arc-shaped pressing plate (63) to retract into the arc-shaped sliding groove (62) is arranged in the arc-shaped sliding groove (62).
2. The fryer annular seam welding device according to claim 1, wherein: the fixing piece (3) comprises a bracket (31) fixedly connected to the top of the vertical plate (22), and a pressing block (33) for pressing the bent pipe is vertically and slidably connected to the bracket (31) through a second elastic piece (32).
3. The fryer annular seam welding device according to claim 1, wherein: the lifting table (5) is provided with a spring pin (8), and the swing arm (61) is provided with a positioning hole (81) for inserting the spring pin (8).
4. The fryer annular seam welding device according to claim 1, wherein: the welding mechanism (7) comprises a multi-axis mechanical arm (71) arranged on the welding table (1), and a laser welding gun (72) is arranged at the execution end of the multi-axis mechanical arm (71).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410501267.2A CN118081092B (en) | 2024-04-25 | Welding device for circular seam of frying furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410501267.2A CN118081092B (en) | 2024-04-25 | Welding device for circular seam of frying furnace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN118081092A CN118081092A (en) | 2024-05-28 |
| CN118081092B true CN118081092B (en) | 2024-06-28 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202020000985U1 (en) * | 2020-03-11 | 2020-04-06 | Gea Tds Gmbh | Auxiliary device for a method for welding connections between inner tubes and tube support plates of a tube bundle for a product-to-product tube bundle heat exchanger |
| CN215200469U (en) * | 2021-06-18 | 2021-12-17 | 胜利油田渤海管具有限责任公司 | High-precision large drilling tool girth welding device |
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202020000985U1 (en) * | 2020-03-11 | 2020-04-06 | Gea Tds Gmbh | Auxiliary device for a method for welding connections between inner tubes and tube support plates of a tube bundle for a product-to-product tube bundle heat exchanger |
| CN215200469U (en) * | 2021-06-18 | 2021-12-17 | 胜利油田渤海管具有限责任公司 | High-precision large drilling tool girth welding device |
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