CN212128273U - Intermediate frequency induction heating equipment for bright annealing of copper tube - Google Patents
Intermediate frequency induction heating equipment for bright annealing of copper tube Download PDFInfo
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- CN212128273U CN212128273U CN202020579722.8U CN202020579722U CN212128273U CN 212128273 U CN212128273 U CN 212128273U CN 202020579722 U CN202020579722 U CN 202020579722U CN 212128273 U CN212128273 U CN 212128273U
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 84
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 84
- 239000010949 copper Substances 0.000 title claims abstract description 84
- 230000006698 induction Effects 0.000 title claims abstract description 40
- 238000000137 annealing Methods 0.000 title claims abstract description 39
- 238000010438 heat treatment Methods 0.000 title claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims abstract description 30
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 17
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 17
- 241001330002 Bambuseae Species 0.000 claims description 17
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 17
- 239000011425 bamboo Substances 0.000 claims description 17
- 230000008878 coupling Effects 0.000 claims description 16
- 238000010168 coupling process Methods 0.000 claims description 16
- 238000005859 coupling reaction Methods 0.000 claims description 16
- 230000006835 compression Effects 0.000 claims description 11
- 238000007906 compression Methods 0.000 claims description 11
- 238000003754 machining Methods 0.000 claims 1
- 230000005012 migration Effects 0.000 abstract 1
- 238000013508 migration Methods 0.000 abstract 1
- 230000007105 physical stamina Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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Abstract
The utility model discloses a bright annealing intermediate frequency induction heating equipment of copper pipe, comprising a base plate, the upper surface left side of bottom plate is equipped with the box, the inside of box is equipped with the intermediate frequency current induction coil, the top of bottom plate is equipped with the roof, the lower surface left and right sides of roof all is equipped with actuating mechanism. This bright annealing intermediate frequency induction heating equipment of copper tubing, through the bottom plate, the roof, the box, the intermediate frequency current induction coil, cooperation between actuating mechanism and the copper tubing, will be connected with the below of copper tubing and a plurality of second gears more, insert the inside of intermediate frequency current induction coil with a plurality of copper tubing, then start intermediate frequency current induction coil and motor, the copper tubing can carry out the circular migration simultaneously keeping the rotation, and then can make the annealing operation of copper tubing comparatively succinct, need not to operate handheld clamp and carry out the operation, can promote the annealing operation speed of copper tubing simultaneously, easily satisfy the high-efficient processing of enterprise.
Description
Technical Field
The utility model relates to a red copper pipe annealing operation technical field specifically is a red copper pipe bright annealing intermediate frequency induction heating equipment.
Background
The working principle of the medium-frequency induction heating equipment is that a metal cylinder is placed in a temperature induction coil with alternating medium-frequency current, the metal cylinder is not in direct contact with the induction coil, the temperature of an electrified electric coil is very low, but the surface of the cylinder is heated to be reddish, and the reddish speed can be realized only by adjusting the frequency and the intensity of current, wherein, a copper tube can reach the good plasticity state of soft copper through annealing, the annealing temperature is generally 550-600 ℃, the medium-frequency induction heating equipment can meet the annealing operation of the copper tube, but when the medium-frequency induction heating equipment is used for annealing operation of the copper tube in the prior art, an operator needs to clamp and position one end of the outer wall of the copper tube by holding a clamp, then the other end of the copper tube is inserted into the inner side of the medium-frequency current induction coil for local annealing operation of the copper tube, then still need carry out upper and lower position to the copper pipe and exchange, carry out annealing operation to its opposite side, the whole operation is comparatively troublesome, and is great to operating personnel's physical stamina consumption, and the annealing efficiency of copper pipe is lower with criticizing simultaneously, can't satisfy the high-efficient processing of enterprise.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a bright annealing intermediate frequency induction heating equipment of copper pipe, in order to solve and use intermediate frequency induction heating equipment to carry out the annealing operation to the copper pipe among the prior art that proposes in the above-mentioned background art, need the handheld clamp of operating personnel to press from both sides the location of getting to the outer wall one end of copper pipe, then it is inboard to insert the intermediate frequency current induction coil with the other end of copper pipe, carry out the local annealing operation to the copper pipe, then still need to carry out upper and lower position to the copper pipe and exchange, anneal the operation to its opposite side, overall operation is comparatively troublesome, physical stamina consumption to operating personnel is great, simultaneously with criticizing the annealing efficiency of copper pipe lower, can't satisfy the high-efficient processing problem of enterprise.
In order to achieve the above object, the utility model provides a following technical scheme: the intermediate frequency induction heating equipment for bright annealing of the copper tubes comprises a bottom plate, wherein a box body is arranged on the left side of the upper surface of the bottom plate, an intermediate frequency current induction coil is arranged inside the box body, a top plate is arranged above the bottom plate, driving mechanisms are arranged on the left side and the right side of the lower surface of the top plate, and a plurality of copper tubes are connected below the driving mechanisms;
the driving mechanism comprises a trapezoidal column, a circular ring, a short cylinder, teeth, a tooth column, a motor, a tooth ring, a first gear, a short rod and a second gear;
two the top of trapezoidal post rigid coupling respectively has the lower surface left and right sides of roof, the outer wall of trapezoidal post rotates and is connected with the ring, the outer wall of ring rotates and is connected with short section of thick bamboo, the upper surface processing of short section of thick bamboo has tooth, the meshing of the top outside of tooth is connected with tooth post, the right side center rigid coupling of tooth post has the motor, the top of motor links to each other with the lower fixed surface of roof, the lower surface rigid coupling of short section of thick bamboo has tooth ring, the outer wall bottom of trapezoidal post is fixed to be cup jointed the second gear, the outside of second gear is the annular meshing and is connected with first gear, the upper surface center rigid coupling of first gear has the quarter butt, the top of quarter butt rotates with the ring and links to each other, the bottom center of first gear is connected with the copper tubing.
Preferably, a handle is fixedly connected to the center of the upper surface of the top plate.
Preferably, a transverse pipe is fixedly connected to the bottom end of the right side of the box body.
Preferably, the second gear is connected with the copper tube through a connecting mechanism;
the connecting mechanism comprises a cavity block, a pressing block, an inserting rod, a sleeve ring, an inclined rod, a compression spring and an arc-shaped plate;
the top of cavity piece links to each other with the lower surface center of first gear is fixed, the inside of cavity piece is equipped with two down tube, two rotate through the round pin axle between the down tube and link to each other, the top of down tube articulates there is the briquetting, the cavity piece is run through to a part of briquetting, the bottom of down tube articulates there is the lantern ring, the inner wall rigid coupling of lantern ring has the inserted bar, the cavity piece is run through to a part of inserted bar, the outer wall of inserted bar and the contact surface clearance fit of cavity piece, two the rigid coupling has compression spring between the inserted bar, the arc is installed to the outside end of inserted bar, the outside surface of arc offsets tightly with the inner wall of copper pipe.
Preferably, the radian of the outer wall of the arc-shaped plate is the same as that of the inner wall of the copper tube.
Preferably, the bottom plate is connected with the top plate through a support rod;
the supporting rods comprise vertical cylinders, vertical rods, square grooves and trapezoidal square rods;
the bottom of erecting a section of thick bamboo links to each other with the last fixed surface center of bottom plate, the montant has been inserted to the inside of erecting a section of thick bamboo, the top of montant links to each other with the lower fixed surface center of roof, the outer wall of montant and the inner wall clearance fit of erecting a section of thick bamboo, the square groove has been seted up at the bottom center of montant, trapezoidal square bar has been inserted to the inside of square groove, the bottom of trapezoidal square bar is fixed with the inside bottom of erecting a section of thick bamboo and is linked to each other, the outer wall of trapezoidal square bar is laminated with the inner wall of square.
Compared with the prior art, the beneficial effects of the utility model are that: this bright annealing intermediate frequency induction heating equipment of copper pipe, for traditional technology, has following advantage:
through the bottom plate, the roof, the box, the intermediate frequency current induction coil, cooperation between actuating mechanism and the copper tubing, will be connected with the below of copper tubing and a plurality of second gears more, insert the inside of intermediate frequency current induction coil with a plurality of copper tubing, then start intermediate frequency current induction coil and motor, the copper tubing can carry out the circular motion simultaneously keeping the rotation, and then can make the annealing operation of copper tubing comparatively succinct, need not to operate handheld clamp and carry out the operation, physical stamina consumption to operating personnel can reduce, can promote the annealing operation speed of copper tubing simultaneously, easily satisfy the high-efficient processing of enterprise.
Through passing through the bottom plate, the roof, the box, the intermediate frequency current induction coil, actuating mechanism, coupling mechanism and copper tubing, when being connected between copper tubing and the first gear, operating personnel all presses two briquetting to the inboard and moves, insert the inside of copper tubing with two arcs, then slow loosening the effort to the briquetting, accomplish the connection installation operation to copper tubing then, the clearance distance can be adjusted between two arcs during, can make coupling mechanism be applicable to the copper tubing of different internal diameters and carry out the erection joint, application scope is comparatively extensive, do benefit to and use widely.
Through the cooperation between bottom plate, roof, box, intermediate frequency current induction coil, actuating mechanism, coupling mechanism, bracing piece and the copper tubing, in the time quantum of the inside copper tubing of box annealing operation, operating personnel can utilize in this period of time, treats the annealing copper tubing with the mounting of coupling mechanism below on roof bottom right side and prepares, can further promote the annealing operating efficiency to copper tubing in same batch.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the connection of the top plate, the drive mechanism and the connection mechanism of FIG. 1;
FIG. 3 is a schematic view of a connection structure of the first gear, the copper tube and the connection mechanism in FIG. 1;
fig. 4 is a schematic view of a coupling structure of the bottom plate, the top plate and the support rods of fig. 1.
In the figure: 1. bottom plate, 2, roof, 3, box, 4, medium frequency current induction coil, 5, actuating mechanism, 501, trapezoidal post, 502, ring, 503, short section of thick bamboo, 504, tooth, 505, tooth post, 506, motor, 507, tooth ring, 508, first gear, 509, quarter butt, 510, second gear, 6, copper tubing, 7, coupling mechanism, 701, cavity piece, 702, briquetting, 703, inserted bar, 704, lantern ring, 705, down tube, 706, compression spring, 707, arc board, 8, bracing piece, 801, vertical section of thick bamboo, 802, montant, 803, square groove, 804, trapezoidal square pole, 9, handle, 10, violently manage.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a bright annealing intermediate frequency induction heating device for a copper tube comprises a bottom plate 1, a box body 3 is arranged on the left side of the upper surface of the bottom plate 1, an intermediate frequency current induction coil 4 is arranged inside the box body 3, a top plate 2 is arranged above the bottom plate 1, driving mechanisms 5 are arranged on the left side and the right side of the lower surface of the top plate 2, a plurality of copper tubes 6 are connected below the driving mechanisms 5, each driving mechanism 5 comprises a trapezoidal column 501, a circular ring 502, a short cylinder 503, teeth 504, a teeth column 505, a motor 506, a teeth ring 507, a first gear 508, a short rod 509 and a second gear 510, the top ends of the two trapezoidal columns 501 are fixedly connected with the left side and the right side of the lower surface of the top plate 2 respectively, the outer wall of the trapezoidal column 501 is rotatably connected with the circular ring 502, the circular ring 502 is rotatably connected with the trapezoidal column 501 and the short cylinder 503 through two ball bearings with different sizes, the outer wall of the circular ring 502 is rotatably connected, a tooth column 505 is engaged and connected with the outer side of the top end of the tooth 504, a motor 506 is fixedly connected with the right side center of the tooth column 505, an output shaft of the motor 506 is fixedly connected with the tooth column 505, the model of the motor 506 is 42JSF330AS, a power cord of the motor 506 is butted with an external supply device, the top end of the motor 506 is fixedly connected with the lower surface of the top plate 2, a tooth ring 507 is fixedly connected with the lower surface of the short cylinder 503, a second gear 510 is fixedly connected with the bottom end of the outer wall of the trapezoidal column 501, a first gear 508 is annularly engaged and connected with the outer side of the second gear 510, a short rod 509 is fixedly connected with the upper surface center of the first gear 508, the top end of the short rod 509 is rotatably connected with the circular ring 502, the short rod 509 is rotatably connected with the circular ring 502 through a ball bearing, the bottom end center of the first gear 508 is connected with the red copper tube 6, a handle 9 is fixedly connected with the upper surface center of the top plate 2, the handle, violently pipe 10 and box 3 are each other intercommunication, and violently the other end of pipe 10 docks with external waste heat utilization device, can utilize the heat that the annealing operation of copper pipe 6 produced.
The second gear 510 is connected with the copper tube 6 through a connecting mechanism 7, the connecting mechanism 7 comprises a cavity block 701, a pressing block 702, an inserted rod 703, a lantern ring 704, an inclined rod 705, a compression spring 706 and an arc-shaped plate 707, the top end of the cavity block 701 is fixedly connected with the center of the lower surface of the first gear 508, two inclined rods 705 are arranged inside the cavity block 701, the two inclined rods 705 are rotatably connected through a pin shaft, the top end of the inclined rod 705 is hinged with the pressing block 702, a part of the pressing block 702 penetrates through the cavity block 701, the bottom end of the inclined rod 705 is hinged with the lantern ring 704, the inner wall of the lantern ring 704 is fixedly connected with the inserted rod 703, a part of the inserted rod 703 penetrates through the cavity block 701, the outer wall of the inserted rod is in clearance fit with the contact surface of the cavity block 701, the compression spring 706 is fixedly connected between the two inserted rods 703, the coefficient of the compression spring 706 is 10-30N/CM, the arc-shaped plate 707 is arranged, and the outside surface processing has the grinding line that increases frictional force, and the outside surface of arc 707 offsets tightly with the inner wall of copper pipe 6, and the outer wall radian of arc 707 is the same with the inner wall radian of copper pipe 6, can make the outer wall of arc 707 fully contact with the inner wall of copper pipe 6, utilizes the stability of copper pipe 6.
When the intermediate frequency induction heating equipment for bright annealing of the copper tube is used, firstly, two pressing blocks 702 are pressed inwards, two inserting rods 703 can be moved inwards through the transmission of two inclined rods 705, a compression spring 706 is in a compression state, then two arc-shaped plates 707 are inserted into the copper tube 6, then the acting force on the pressing blocks 702 is slowly released, the compression spring 706 can rebound to enable the arc-shaped plates 707 to be abutted against the inner wall of the copper tube 6, then the connection and installation operation of the copper tube 6 is completed, a plurality of copper tubes 6 are inserted into an intermediate frequency current induction coil 4, then a motor 506 and the intermediate frequency current induction coil 4 are started simultaneously, a tooth column 505 can be rotated, a short tube 503 and a tooth ring 507 can be rotated, and during the process, because of the meshing connection relationship between the tooth ring 407 and a first gear 508 and the meshing relationship between the first gear 508 and a second gear 510, each first gear 508 can be moved around the second gear, while the first gears 508 can be made to rotate at a constant speed, namely, the copper tube 6 can carry out circular movement while keeping autorotation, does not need to operate the handheld clamp for operation, the physical consumption of operators is reduced, the annealing operation efficiency of the copper tube 6 is improved, in the time period of annealing operation of the red copper tube 6 in the box body 3, an operator can use the time period to prepare the red copper tube 6 to be annealed below the connecting mechanism 7 at the right side of the bottom end of the top plate 2, after the copper tube 6 in the box body 3 is annealed, the top plate 2 is lifted upwards and rotated for 180 degrees, the top plate 2 is reset, can make reserve treat that annealing copper tube 6 places 4 inboards of the inside intermediate frequency current induction coil of box 3, can further promote the annealing operating efficiency to copper tube 6 of same batch.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a bright annealing intermediate frequency induction heating equipment of copper pipe, includes bottom plate (1), its characterized in that: a box body (3) is arranged on the left side of the upper surface of the bottom plate (1), a medium-frequency current induction coil (4) is arranged inside the box body (3), a top plate (2) is arranged above the bottom plate (1), driving mechanisms (5) are arranged on the left side and the right side of the lower surface of the top plate (2), and a plurality of copper tubes (6) are connected below the driving mechanisms (5);
the driving mechanism (5) comprises a trapezoidal column (501), a circular ring (502), a short cylinder (503), teeth (504), a tooth column (505), a motor (506), a tooth ring (507), a first gear (508), a short rod (509) and a second gear (510);
two the top of trapezoidal post (501) is the lower surface left and right sides that the rigid coupling has roof (2) respectively, the outer wall of trapezoidal post (501) rotates and is connected with ring (502), the outer wall of ring (502) rotates and is connected with short section of thick bamboo (503), the last surface machining of short section of thick bamboo (503) has tooth (504), the meshing of the top outside of tooth (504) is connected with tooth post (505), the right side center rigid coupling of tooth post (505) has motor (506), the top of motor (506) links to each other with the lower fixed surface of roof (2), the lower surface rigid coupling of short section of thick bamboo (503) has tooth ring (507), the outer wall bottom fixed cup of trapezoidal post (501) has second gear (510), the outside of second gear (510) is the annular meshing and is connected with first gear (508), the upper surface center rigid coupling of first gear (508) has short pole (509), the top end of the short rod (509) is rotationally connected with the circular ring (502), and the center of the bottom end of the first gear (508) is connected with the copper tube (6).
2. The intermediate frequency induction heating equipment for bright annealing of the copper pipe according to claim 1, characterized in that: the center of the upper surface of the top plate (2) is fixedly connected with a handle (9).
3. The intermediate frequency induction heating equipment for bright annealing of the copper pipe according to claim 1, characterized in that: a transverse pipe (10) is fixedly connected to the bottom end of the right side of the box body (3).
4. The intermediate frequency induction heating equipment for bright annealing of the copper pipe according to claim 1, characterized in that: the second gear (510) is connected with the copper tube (6) through a connecting mechanism (7);
the connecting mechanism (7) comprises a cavity block (701), a pressing block (702), an inserting rod (703), a lantern ring (704), an inclined rod (705), a compression spring (706) and an arc-shaped plate (707);
the top end of the cavity block (701) is fixedly connected with the center of the lower surface of the first gear (508), two inclined rods (705) are arranged inside the cavity block (701), the two inclined rods (705) are rotatably connected through a pin shaft, the top end of the inclined rod (705) is hinged with a pressing block (702), one part of the pressing block (702) penetrates through the cavity block (701), the bottom end of the diagonal rod (705) is hinged with a lantern ring (704), the inner wall of the lantern ring (704) is fixedly connected with an inserted rod (703), one part of the inserted bar (703) penetrates through the cavity block (701), the outer wall of the inserted bar (703) is in clearance fit with the contact surface of the cavity block (701), a compression spring (706) is fixedly connected between the two inserted bars (703), an arc-shaped plate (707) is installed at the outer side end of the inserted rod (703), and the outer side surface of the arc-shaped plate (707) is abutted against the inner wall of the copper tube (6).
5. The intermediate frequency induction heating equipment for bright annealing of the copper pipe according to claim 4, characterized in that: the radian of the outer wall of the arc-shaped plate (707) is the same as that of the inner wall of the copper tube (6).
6. The intermediate frequency induction heating equipment for bright annealing of the copper pipe according to claim 1, characterized in that: the bottom plate (1) is connected with the top plate (2) through a support rod (8);
the supporting rod (8) comprises a vertical cylinder (801), a vertical rod (802), a square groove (803) and a trapezoidal square rod (804);
the bottom of a vertical cylinder (801) is fixedly connected with the upper surface center of a bottom plate (1), a vertical rod (802) is inserted into the interior of the vertical cylinder (801), the top end of the vertical rod (802) is fixedly connected with the lower surface center of a top plate (2), the outer wall of the vertical rod (802) is in clearance fit with the inner wall of the vertical cylinder (801), a square groove (803) is formed in the bottom center of the vertical rod (802), a trapezoidal square rod (804) is inserted into the interior of the square groove (803), the bottom end of the trapezoidal square rod (804) is fixedly connected with the inner bottom end of the vertical cylinder (801), and the outer wall of the trapezoidal square rod (804) is fitted with the inner wall of the square groove (803).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020579722.8U CN212128273U (en) | 2020-04-17 | 2020-04-17 | Intermediate frequency induction heating equipment for bright annealing of copper tube |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020579722.8U CN212128273U (en) | 2020-04-17 | 2020-04-17 | Intermediate frequency induction heating equipment for bright annealing of copper tube |
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| CN212128273U true CN212128273U (en) | 2020-12-11 |
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| CN202020579722.8U Expired - Fee Related CN212128273U (en) | 2020-04-17 | 2020-04-17 | Intermediate frequency induction heating equipment for bright annealing of copper tube |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112553418A (en) * | 2021-01-26 | 2021-03-26 | 东风汽车紧固件有限公司 | Local high-frequency annealing device for sleeve part and processing method thereof |
| CN113637927A (en) * | 2021-07-16 | 2021-11-12 | 渤海造船厂集团有限公司 | Red copper straight pipe annealing device and method |
| CN114854973A (en) * | 2022-04-26 | 2022-08-05 | 赵银峰 | Vertical annealing equipment for nodular cast iron pipe |
| CN114854973B (en) * | 2022-04-26 | 2024-05-31 | 赵银峰 | Vertical annealing equipment for spheroidal graphite cast tube |
-
2020
- 2020-04-17 CN CN202020579722.8U patent/CN212128273U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112553418A (en) * | 2021-01-26 | 2021-03-26 | 东风汽车紧固件有限公司 | Local high-frequency annealing device for sleeve part and processing method thereof |
| CN113637927A (en) * | 2021-07-16 | 2021-11-12 | 渤海造船厂集团有限公司 | Red copper straight pipe annealing device and method |
| CN114854973A (en) * | 2022-04-26 | 2022-08-05 | 赵银峰 | Vertical annealing equipment for nodular cast iron pipe |
| CN114854973B (en) * | 2022-04-26 | 2024-05-31 | 赵银峰 | Vertical annealing equipment for spheroidal graphite cast tube |
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Granted publication date: 20201211 |