CN220136066U - Auxiliary electrode clamping device of vacuum consumable furnace - Google Patents
Auxiliary electrode clamping device of vacuum consumable furnace Download PDFInfo
- Publication number
- CN220136066U CN220136066U CN202321637533.1U CN202321637533U CN220136066U CN 220136066 U CN220136066 U CN 220136066U CN 202321637533 U CN202321637533 U CN 202321637533U CN 220136066 U CN220136066 U CN 220136066U
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- Prior art keywords
- pull rod
- auxiliary electrode
- clamping
- clamping device
- vacuum consumable
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- 210000000078 claw Anatomy 0.000 claims description 32
- 239000004020 conductor Substances 0.000 claims description 12
- 239000000498 cooling water Substances 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000001125 extrusion Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 10
- 229910000831 Steel Inorganic materials 0.000 description 8
- 239000010959 steel Substances 0.000 description 8
- 230000009471 action Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model relates to the technical field of auxiliary equipment of a vacuum consumable furnace, and discloses an auxiliary electrode clamping device of the vacuum consumable furnace, which comprises a pull rod assembly and two clamping jaws, wherein the pull rod assembly is arranged in a conductive pipe of the vacuum consumable furnace in a sliding manner, the clamping jaws are respectively connected to the pull rod assembly through pin shafts in a rotating manner, the two clamping jaws are connected through springs, a clamping inner boss is arranged at the bottom of each clamping jaw, a connecting round table is arranged at the top of an auxiliary electrode, the connecting round table is connected with a clamping outer boss, the conductive pipe is connected with an annular conductive body, and an inner conical surface matched with the connecting round table is arranged on the conductive body. The utility model increases the clamping contact surface of the auxiliary electrode, avoids extrusion scratch, and ensures the stability and conductivity of clamping.
Description
Technical Field
The utility model relates to the technical field of auxiliary equipment of a vacuum consumable furnace, in particular to an auxiliary electrode clamping device of the vacuum consumable furnace.
Background
A vacuum consumable electrode furnace is an electric furnace for smelting metal in a vacuum chamber, and in use, an auxiliary electrode is usually clamped by a clamping device.
The upper end of the existing auxiliary electrode is neck-shaped, and the clamping device (see fig. 1) comprises: auxiliary electrode 1, steel ball 2, electric conductor 3, pull rod 4, clamping process is as follows: the pull rod moves downwards, the steel ball moves outwards, the electrode loading and unloading space is vacated, and the auxiliary electrode is placed into the clamping device; the pull rod moves upwards to drive the steel balls to move upwards to lift the auxiliary electrode, the auxiliary electrode reaches the limit position to continuously apply force, and the auxiliary electrode is in contact with the conductor to conduct electricity. The clamping device is only supported by two steel balls in a tensioning process, the stressed area is too small, the surface of the auxiliary electrode can be deeply compacted and scratched in a long-time working state, and the service life of the auxiliary electrode is shortened; secondly, once the pull rod suddenly loses the air source, the auxiliary electrode can fall down due to dead weight, and in the process, the steel balls can retract, so that the auxiliary electrode falls off the clamping jaws and a safety accident is caused; in addition, the conductive contact surface of the auxiliary electrode is a plane, and in the actual tensioning process, the conductive surface is possibly not well contacted due to uneven stress of the plane.
Therefore, based on the above technical problems, improvements are required.
Disclosure of Invention
Aiming at the technical problems existing in the prior art, the utility model provides an auxiliary electrode clamping device of a vacuum consumable furnace.
In order to achieve the above purpose, the present utility model provides the following technical solutions: auxiliary electrode clamping device of vacuum consumable stove, including sliding the pull rod subassembly of locating in the electric pipe of vacuum consumable stove and two jack catch of being connected on the pull rod subassembly through the round pin axle rotation respectively, through spring coupling, the bottom of jack catch is equipped with boss in the joint between two jack catch, and auxiliary electrode's top is equipped with connects the round platform, connects the round platform and is connected with the outer boss of joint, and the electric pipe is connected with annular electric conductor, is equipped with on the electric conductor with connect round platform assorted interior conical surface.
Preferably, the pull rod assembly comprises a pull rod head and a pull rod, the pull rod head is slidably arranged in the conductive pipe, an internal threaded hole is formed in the pull rod head, external threads matched with the pull rod head are arranged on the pull rod, the pull rod is connected with a hydraulic cylinder, and the pin shaft is arranged on the pull rod head.
Preferably, the pull rod head and the pull rod are correspondingly provided with limiting holes, and limiting pins are arranged in the limiting holes. The setting of spacer pin can carry out spacing locking to the connection of pull rod and pull rod head, prevents that the screw thread from becoming flexible from causing the pull rod to drop in the pull rod head.
Preferably, the claw is hollow semi-cylindrical, and the auxiliary electrode is provided with a conical connecting part. The clamping jaw can increase the stress area of the auxiliary electrode during clamping, and the surface scratch of the auxiliary electrode is avoided. The conical connection facilitates the placement of the auxiliary electrode between the two jaws.
Preferably, the two pin shafts are respectively connected with connecting parts, and the connecting parts are provided with meshing teeth distributed in an arc shape, and the meshing teeth of the two connecting parts are meshed with each other.
When one of the clamping claws is forced to open, the other clamping claw is also opened simultaneously under the action of the meshing teeth of the connecting part, so that the labor is saved and the operation is convenient. In addition, the arrangement of the meshing teeth can ensure the synchronism of the two jaws when the two jaws are opened, avoid the holding phenomenon caused by the asynchronous opening of the two jaws, limit the maximum opening angle of the jaws, and avoid the deformation of the spring caused by the overlarge opening of the jaws and exceeding the elastic limit of the spring.
Preferably, a force-applying breaking block is arranged at the bottom of the clamping jaw. The claw can be forced by the force-applying breaking-off block, so that the claw is broken off, and the operation is convenient.
Preferably, the outer side of the conductive pipe is provided with a stainless steel cooling water jacket.
The clamping process is as follows: the pull rod assembly is driven to move downwards through the hydraulic cylinder, so that the pin shaft extends out of the conductor, the clamping jaws are manually broken off, and the auxiliary electrode is placed between the two clamping jaws; releasing the clamping jaw, closing the clamping jaw under the action of the spring, and clamping the clamping outer boss of the auxiliary electrode above the clamping inner boss of the clamping jaw; and then the lifting claw of the pull rod assembly rises to enable the outer conical surface of the connecting round table to be pressed with the inner conical surface of the conductor to conduct electricity.
The utility model also comprises other components which can enable the auxiliary electrode clamping device of the vacuum consumable furnace to be used normally, and the auxiliary electrode clamping device is a conventional technical means in the field. In addition, the devices or components not defined in the present utility model are all conventional in the art.
The utility model optimizes and solves the following three problems existing in the prior art: firstly, the clamping force is exerted by the steel balls in the clamping operation, so that the auxiliary electrode tightening surface is extruded and scratched; secondly, once the pull rod loses the air source, the safety risk of auxiliary electrode falling occurs; thirdly, in the tensioning process, the conductive contact surface of the auxiliary electrode is a plane, and in the actual tensioning process, the conductive surface is possibly not well contacted due to uneven stress of the plane.
The utility model increases the clamping contact surface of the auxiliary electrode, avoids extrusion scratch, and ensures the stability and conductivity of clamping.
Drawings
Fig. 1 is a schematic view of a prior art clamping device.
Fig. 2 is a schematic structural view of the present embodiment.
Fig. 3 is a schematic view of the structure of the pull rod assembly and the pawl in this embodiment.
Fig. 4 is a schematic view of the structure of a single claw in this embodiment.
Fig. 5 is a schematic structural view of the auxiliary electrode in the present embodiment.
In the figure: 1. an auxiliary electrode; 2. steel balls; 3. an electric conductor; 4. a pull rod; 5. a pin shaft; 6. a claw; 7. a spring; 8. the inner boss is clamped; 9. connecting a round table; 10. the outer boss is clamped; 11. a conductive tube; 12. a pull rod head; 13. a limiting hole; 14. a tapered connection portion; 15. meshing teeth; 16. force-applying breaking-off blocks; 17. stainless steel cooling water jacket.
Detailed Description
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, 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 utility model will be understood in specific cases by those of ordinary skill in the art.
Examples
Referring to fig. 2-5, the auxiliary electrode clamping device of the vacuum consumable furnace comprises a pull rod assembly and two clamping claws 6, wherein the pull rod assembly is arranged in a conductive pipe of the vacuum consumable furnace in a sliding mode, the clamping claws 6 are respectively connected onto the pull rod 4 assembly through pin shafts 5 in a rotating mode, the two clamping claws 6 are connected through springs 7, inner clamping bosses 8 are arranged at the bottoms of the clamping claws 6, a connecting round table 9 is arranged at the top of the auxiliary electrode 1, the connecting round table 9 is connected with outer clamping bosses 10, the conductive pipe 11 is connected with an annular conductive body 3, and inner conical surfaces matched with the connecting round table 9 are arranged on the conductive body 3.
The conductive pipe is provided with a flange, the conductive pipe and the flange are made of copper materials, and the conductive body 3 and the conductive pipe are connected through bolts on the flange.
The pull rod assembly comprises a pull rod head 12 and a pull rod 4, the pull rod head is slidably arranged in the conductive pipe 11, an internal threaded hole is formed in the pull rod head 5, external threads matched with the pull rod head are formed in the pull rod 4, the pull rod 4 is connected with a hydraulic cylinder, and the pin shaft 5 is arranged on the pull rod head. In this embodiment, the claw 6 is provided with a receiving hole for receiving the spring.
Limiting holes 13 are correspondingly formed in the pull rod head and the pull rod 4, and limiting pins are arranged in the limiting holes. The setting of spacer pin can carry out spacing locking to the connection of pull rod 4 and pull rod head, prevents that the screw thread from becoming flexible from causing pull rod 4 to drop in the pull rod head.
The claw 6 is hollow semi-cylindrical, and the auxiliary electrode 1 is provided with a conical connecting part 14. The clamping jaw can increase the stress area of the auxiliary electrode 1 during clamping, and avoid surface scratch. The conical connection 14 facilitates the insertion of the auxiliary electrode 1 between the two jaws 6.
The two pin shafts 5 are respectively connected with connecting parts, the connecting parts are provided with meshing teeth 15 distributed in an arc shape, and the meshing teeth of the two connecting parts are meshed with each other.
In this embodiment, a plurality of slots are formed in the bottom of the pull rod head, and connecting portions are respectively disposed in the corresponding slots of the jaws and inserted into the slots.
When one of the clamping claws is forced to open, the other clamping claw is also opened simultaneously under the action of the meshing teeth of the connecting part, so that the labor is saved and the operation is convenient. In addition, the arrangement of the meshing teeth can ensure the synchronism of the two clamping claws 6 when being opened on one hand, avoid the holding and locking phenomena caused by the asynchronous opening of the two clamping claws 6, limit the maximum opening angle of the clamping claws on the other hand, and avoid the deformation of the spring 7 caused by overlarge opening of the clamping claws and exceeding the elastic limit of the spring 7.
The bottom of the claw 6 is provided with a force-applying breaking block 16. The claw 6 can be forced by the force-applying breaking block 16, so that the claw 6 is broken off, and the operation is convenient.
The outer side of the conductive pipe is provided with a stainless steel cooling water jacket 17. In this embodiment, a water blocking sleeve is provided between the cooling water jacket and the conductive pipe.
The clamping process is as follows: the pull rod assembly is driven to move downwards through the hydraulic cylinder, so that the pin shaft 5 extends out of the conductor 3, the clamping jaws are manually broken off, and the auxiliary electrode 1 is placed between the two clamping jaws 6; releasing the clamping jaw, closing the clamping jaw under the action of the spring 7, and clamping the clamping outer boss 10 of the auxiliary electrode above the clamping inner boss of the clamping jaw; the lifting claw of the pull rod assembly is lifted up, so that the outer conical surface of the connecting round table 9 and the inner conical surface of the conductor 3 are pressed for conduction.
The claw is acted by the gravity of the auxiliary electrode and the gravity of the claw in the ascending process or the descending process, so that the claw is always in a locking state and is further tensioned by the spring 7, the safety effect is achieved, and the risk that the claw is easy to fall off when the steel ball is clamped in the prior art can be avoided; meanwhile, as the contact surface of the claw and the auxiliary electrode 1 is large, the pressure born by the auxiliary electrode is reduced in multiple, and the ultra-deep indentation and scratch are avoided; the contact surface between the auxiliary electrode 1 and the conductor 3 is tapered, has a centering effect, is uniformly stressed and has a large area, so that the stability of conduction is further enhanced.
The embodiments of the present utility model have been described above, the description is illustrative, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.
Claims (7)
1. Auxiliary electrode clamping device of vacuum self-consuming stove, its characterized in that: including sliding the pull rod subassembly of locating in the electric pipe of vacuum consumable stove and two respectively through the claw of round pin axle rotation connection on the pull rod subassembly, through spring coupling, the bottom of claw is equipped with boss in the joint, and auxiliary electrode's top is equipped with connects the round platform, connects the round platform and is connected with the outer boss of joint, and the electric pipe is connected with annular electric conductor, is equipped with on the electric conductor with connect round platform assorted interior conical surface.
2. The auxiliary electrode clamping device of a vacuum consumable furnace according to claim 1, wherein: the pull rod assembly comprises a pull rod head and a pull rod, the pull rod head is slidably arranged in the conductive pipe, an internal threaded hole is formed in the pull rod head, external threads matched with the pull rod head are formed in the pull rod, the pull rod is connected with a hydraulic cylinder, and the pin shaft is arranged on the pull rod head.
3. The auxiliary electrode clamping device of a vacuum consumable furnace according to claim 2, wherein: limiting holes are correspondingly formed in the pull rod head and the pull rod, and limiting pins are arranged in the limiting holes.
4. The auxiliary electrode clamping device of a vacuum consumable furnace according to claim 1, wherein: the claw is hollow semi-cylindrical, and the auxiliary electrode is provided with a conical connecting part.
5. The auxiliary electrode clamping device of a vacuum consumable furnace according to claim 1, wherein: the two pin shafts are respectively connected with connecting parts, the connecting parts are provided with meshing teeth distributed in an arc shape, and the meshing teeth of the two connecting parts are meshed with each other.
6. The auxiliary electrode clamping device of a vacuum consumable furnace according to claim 1, wherein: the bottom of the clamping jaw is provided with a force-applying breaking block.
7. The auxiliary electrode clamping device of a vacuum consumable furnace according to claim 1, wherein: the outer side of the conductive tube is provided with a stainless steel cooling water jacket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321637533.1U CN220136066U (en) | 2023-06-26 | 2023-06-26 | Auxiliary electrode clamping device of vacuum consumable furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321637533.1U CN220136066U (en) | 2023-06-26 | 2023-06-26 | Auxiliary electrode clamping device of vacuum consumable furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220136066U true CN220136066U (en) | 2023-12-05 |
Family
ID=88952280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321637533.1U Active CN220136066U (en) | 2023-06-26 | 2023-06-26 | Auxiliary electrode clamping device of vacuum consumable furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220136066U (en) |
-
2023
- 2023-06-26 CN CN202321637533.1U patent/CN220136066U/en active Active
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