CN220201988U - Workpiece annealing mechanism - Google Patents
Workpiece annealing mechanism Download PDFInfo
- Publication number
- CN220201988U CN220201988U CN202321478453.6U CN202321478453U CN220201988U CN 220201988 U CN220201988 U CN 220201988U CN 202321478453 U CN202321478453 U CN 202321478453U CN 220201988 U CN220201988 U CN 220201988U
- Authority
- CN
- China
- Prior art keywords
- electric
- workpiece
- base
- annealing
- smooth
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000137 annealing Methods 0.000 title claims abstract description 56
- 230000007246 mechanism Effects 0.000 title claims abstract description 18
- 238000001816 cooling Methods 0.000 claims abstract description 38
- 239000000463 material Substances 0.000 claims abstract description 37
- 230000003014 reinforcing effect Effects 0.000 claims description 12
- 238000005498 polishing Methods 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 abstract description 8
- 239000000498 cooling water Substances 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 description 7
- 239000000779 smoke Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 238000010583 slow cooling Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 229910000859 α-Fe Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 229910001567 cementite Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- KSOKAHYVTMZFBJ-UHFFFAOYSA-N iron;methane Chemical compound C.[Fe].[Fe].[Fe] KSOKAHYVTMZFBJ-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910001562 pearlite Inorganic materials 0.000 description 1
Classifications
-
- 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
- Y02P10/20—Recycling
Landscapes
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
Abstract
The utility model relates to the technical field of heat treatment equipment, in particular to a workpiece annealing mechanism, which comprises a base, an annealing furnace, a furnace door, a cooling tank and a material taking plate, wherein the annealing furnace is arranged at the top end of the base, the furnace door is arranged on the annealing furnace, the cooling tank is arranged at the top end of the base, the annealing furnace further comprises a moving assembly and a lifting assembly, the moving assembly is arranged at the top end of the base, the lifting assembly is arranged on the moving assembly, and the material taking plate is arranged on the lifting assembly. When the annealing furnace is used, the supporting frame containing the workpiece is placed on the material taking plate, the work moving assembly enables the material taking plate to place the supporting frame and the workpiece into the annealing furnace, the furnace door is closed, the annealing furnace is opened after the workpiece is heated and kept for a period of time, the moving assembly drives the material taking plate to take the supporting frame and the workpiece out of the annealing furnace, and then the lifting assembly is operated to enable the material taking plate to be lowered into the cooling tank, so that cooling water in the cooling tank is used for continuously cooling the workpiece, and annealing efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of heat treatment equipment, in particular to a workpiece annealing mechanism.
Background
At present, in the production process of mechanical workpiece casting, heat treatment is an important link, the heat treatment process is generally divided into four stages, namely a heating stage, a heat preservation stage, a quick cooling stage and a slow cooling stage, the heating stage is used for heating a workpiece to the temperature required by the process in a certain time, the workpiece enters the heat preservation stage, the workpiece is kept for a certain time in a stable temperature range, the transformation from cementite in a metallographic structure to ferrite is completed, then the workpiece enters the quick cooling stage, the temperature is quickly cooled to a certain temperature, the workpiece enters the slow cooling stage, and the transformation from pearlite to ferrite is completed at a stable cooling speed. After the heat treatment process, the workpiece forms a stable metallographic structure to achieve the required performance.
In the prior art, the patent document with the bulletin number of CN107574288B discloses a workpiece annealing device, which comprises a furnace body, wherein the bottom of the furnace body is provided with an air inlet, the top of the furnace body is provided with a chimney, a chimney outlet is provided with a transverse smoke outlet pipe, the middle part of the upper wall of the smoke outlet pipe is provided with a preheater, a preheating pipe leading to the air inlet is arranged on the preheater, a first pulley and a second pulley are rotatably arranged on the lower wall of the smoke outlet pipe, the first pulley is arranged at the inlet of the smoke outlet pipe, the second pulley is arranged at the outlet of the smoke outlet pipe, a conveyor belt is sleeved between the first pulley and the second pulley, a plurality of transmission plates are arranged on the conveyor belt, the transmission rods are hinged to the outlet of the preheating pipe, the top of the transmission rods is provided with a swing fan, and the mass of the transmission rods is larger than that of the swing fan; the bottom of the transmission rod is propped against a transmission plate on the transmission belt, which is close to the second pulley.
In the use process, the workpiece is heated in the furnace body at a certain temperature and kept for a period of time, the workpiece is required to be cooled extremely quickly, and the workpiece is required to be transferred by other tools, so that the annealing efficiency of the workpiece is reduced.
Disclosure of Invention
The utility model aims to provide a workpiece annealing mechanism for improving the annealing efficiency so as to solve the technical problems.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a work piece annealing mechanism, includes base, annealing stove, furnace gate, cooling tank and gets material board, and the base top is provided with the annealing stove, installs the furnace gate on the annealing stove, and the base top is provided with the cooling tank, still includes moving assembly and lifting unit, and the base top is provided with moving assembly, and lifting unit installs on moving assembly, gets material board and installs on lifting unit.
Preferably, the moving assembly comprises an electric rail, an electric rail car, a notch, L-shaped supporting rods and polished rods, two groups of electric rails are arranged at the top end of a base, a cooling groove is arranged between the two groups of electric rails, the electric rail car is in sliding connection with the two groups of electric rails, the notches are respectively arranged at the front end and the rear end of the electric rail car, two rows of L-shaped supporting rods are arranged at the top end of the base, the two rows of L-shaped supporting rods are in mirror symmetry, one group of polished rods are connected at the other end of each group of L-shaped supporting rods, the polished rods are matched with the notches, and the lifting assembly is arranged on the electric rail car; the electric rail car moves in the horizontal direction left and right on the electric rail, meanwhile, the notch is in sliding contact with the polished rod, and the L-shaped supporting rod is matched with the polished rod to enable the electric rail car to keep horizontal, so that the moving stability is improved.
Preferably, the lifting assembly comprises an upper smooth rod, a lower smooth rod, an upper sliding plate, a lower sliding plate, a connecting plate, hydraulic cylinders and L-shaped support plates, wherein a plurality of groups of upper smooth rods are arranged at the top end of the electric rail car, a plurality of groups of lower smooth rods are arranged at the bottom end of the electric rail car, the upper sliding plate is in sliding connection with a plurality of groups of upper smooth rods, the lower sliding plate is in sliding connection with a plurality of groups of lower smooth rods, the left ends of the upper sliding plate and the lower sliding plate are all connected with the right end of the connecting plate, the upper sliding plate, the lower sliding plate and the connecting plate are shaped like a Chinese character '', the left end of the connecting plate is provided with a material taking plate, the front end and the rear end of the upper sliding plate are respectively provided with L-shaped support plates, two groups of hydraulic cylinders are arranged at the top end of the electric rail car, and the top movable ends of the two groups of hydraulic cylinders are respectively connected with the inner top ends of the L-shaped support plates; when the device is used, the hydraulic cylinders drive the upper sliding plate and the lower sliding plate to adjust the heights through the L-shaped supporting plates under the cooperation of the corresponding upper polishing rod and the lower polishing rod, the connecting plates are further used for driving the material taking plates to adjust the heights, when the workpiece is required to be cooled at a high speed, the two groups of hydraulic cylinders are shortened, the upper sliding plate and the lower sliding plate drive the connecting plates to descend, the material taking plates drive the supporting frames and the workpiece to enter the cooling tank, so that cooling water inside the cooling tank is used for cooling the workpiece at the high speed, and the annealing efficiency is improved.
Preferably, the device further comprises a reinforcing plate, wherein the top ends of the plurality of groups of upper bars are connected with the bottom ends of the reinforcing plate; the firmness of connection is improved through the reinforcing plate to the multiunit upper polish rod.
Preferably, the outer side wall of the polish rod is provided with a smooth coating; the polished rod reduces the sliding friction force of the polished rod to the electric rail car when the polished rod carries out balance positioning to the electric rail car through the notch.
Preferably, the electric rail car further comprises stay wires, and a plurality of groups of stay wires are arranged between the top end of the electric rail car and the right end of the reinforcing plate; the multiunit is acted as go-between and is consolidated multiunit upper polish rod through the reinforcing plate, improves stability.
Preferably, the L-shaped supporting rod is connected with the polish rod in a welding mode; the L-shaped supporting rod is connected with the polished rod in a welding mode, so that the connection firmness is improved.
The beneficial effects are that: compared with the prior art, the utility model has the advantages that: placing the supporting frame containing the workpiece on the material taking plate, operating the moving assembly to enable the material taking plate to place the supporting frame and the workpiece into the annealing furnace, closing the furnace door, opening the furnace door after the annealing furnace heats and holds the workpiece for a period of time, driving the material taking plate to take the supporting frame and the workpiece out of the annealing furnace, driving the material taking plate to move to a position right above the cooling tank by the moving assembly, and then operating the lifting assembly to enable the material taking plate to be lowered into the cooling tank, so that cooling water in the cooling tank can continuously cool the workpiece, and annealing efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of an explosive structure of the present utility model;
FIG. 2 is a first enlarged schematic view of the structure of the take-off plate and the electric railcar;
FIG. 3 is a second enlarged schematic view of the structure of the take-off plate and the electric railcar;
FIG. 4 is a schematic illustration of an axially measured structure of the present utility model;
fig. 5 is a partially enlarged schematic view of the portion a in fig. 4.
The marks in the figure: 1. a base station; 2. annealing furnace; 3. a furnace door; 4. a cooling tank; 5. a material taking plate; 7. an electric track; 8. an electric railcar; 9. a notch; 10. an L-shaped supporting rod; 11. a polish rod; 12. a smooth bar is arranged; 13. a lower light bar; 14. an upper slide plate; 15. a lower slide plate; 16. a connecting plate; 17. a hydraulic cylinder; 18. an L-shaped support plate; 19. a reinforcing plate; 20. and (5) pulling wires.
Detailed Description
In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. This utility model may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Example 1
As shown in fig. 1 and 4, the workpiece annealing mechanism according to the embodiment includes a base 1, an annealing furnace 2, a furnace door 3, a cooling tank 4 and a material taking plate 5, wherein the annealing furnace 2 is arranged at the top end of the base 1, the furnace door 3 is arranged on the annealing furnace 2, the cooling tank 4 is arranged at the top end of the base 1, the workpiece annealing mechanism further includes a moving component and a lifting component, the moving component is arranged at the top end of the base 1, the lifting component is arranged on the moving component, and the material taking plate 5 is arranged on the lifting component.
As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the moving assembly comprises an electric rail 7, an electric rail car 8, a notch 9, L-shaped supporting rods 10 and a polished rod 11, two groups of electric rails 7 are arranged at the top end of a base 1, a cooling groove 4 is arranged between the two groups of electric rails 7, the electric rail car 8 is in sliding connection with the two groups of electric rails 7, the notches 9 are respectively arranged at the front end and the rear end of the electric rail car 8, two rows of L-shaped supporting rods 10 are arranged at the top end of the base 1, the two rows of L-shaped supporting rods 10 are in mirror symmetry, a group of polished rods 11 are connected to the other end of each group of L-shaped supporting rods 10, the polished rods 11 are matched with the notches 9, and the lifting assembly is arranged on the electric rail car 8.
In this embodiment, during the use, will hold the carriage of work piece and place on getting the material board 5, remove electric railcar 8 and control the removal of horizontal direction on electric track 7, breach 9 at polished rod 11 sliding contact simultaneously, L type branch 10 and polished rod 11 cooperation make electric railcar 8 keep the level, electric railcar 8 makes getting the material board 5 put into annealing stove 2 inside with carriage and work piece through lifting assembly, close furnace gate 3, annealing stove 2 heats the work piece and keeps after a period, furnace gate 3 is opened, afterwards electric railcar 8 drives getting the material board 5 through lifting assembly and takes out carriage and work piece from annealing stove 2 inside, afterwards electric railcar 8 makes getting the material board 5 drive carriage and work piece and remove to cooling tank 4 directly over, afterwards operation lifting assembly makes getting the material board 5 reduce to cooling tank 4 inside, thereby make cooling water inside cooling tank 4 continue the cooling to the work piece, improve annealing efficiency.
Example 2
As shown in fig. 1 and 4, the workpiece annealing mechanism according to the embodiment includes a base 1, an annealing furnace 2, a furnace door 3, a cooling tank 4 and a material taking plate 5, wherein the annealing furnace 2 is arranged at the top end of the base 1, the furnace door 3 is arranged on the annealing furnace 2, the cooling tank 4 is arranged at the top end of the base 1, the workpiece annealing mechanism further includes a moving component and a lifting component, the moving component is arranged at the top end of the base 1, the lifting component is arranged on the moving component, and the material taking plate 5 is arranged on the lifting component.
As shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the moving assembly comprises an electric rail 7, an electric rail car 8, a notch 9, an L-shaped supporting rod 10 and a polished rod 11, two groups of electric rails 7 are arranged at the top end of a base 1, a cooling groove 4 is arranged between the two groups of electric rails 7, the electric rail car 8 is in sliding connection with the two groups of electric rails 7, notches 9 are respectively arranged at the front end and the rear end of the electric rail car 8, two rows of L-shaped supporting rods 10 are arranged at the top end of the base 1, the two rows of L-shaped supporting rods 10 are in mirror symmetry, a group of polished rods 11 are connected to the other end of each group of L-shaped supporting rods 10, the polished rod 11 is matched with the notches 9, and the lifting assembly is arranged on the electric rail car 8.
As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the lifting assembly comprises an upper smooth 12, a lower smooth 13, an upper slide plate 14, a lower slide plate 15, a connecting plate 16, hydraulic cylinders 17 and an L-shaped support plate 18, wherein a plurality of groups of upper smooth 12 are arranged at the top end of the electric railcar 8, a plurality of groups of lower smooth 13 are arranged at the bottom end of the electric railcar 8, the upper slide plate 14 is in sliding connection with a plurality of groups of upper smooth 12, the lower slide plate 15 is in sliding connection with a plurality of groups of lower smooth 13, the left ends of the upper slide plate 14 and the lower slide plate 15 are connected with the right end of the connecting plate 16, the upper slide plate 14, the lower slide plate 15 and the connecting plate 16 form a shape, the left end of the connecting plate 16 is provided with a material taking plate 5, the front end and the rear end of the upper slide plate 14 are respectively provided with an L-shaped support plate 18, the top end of the electric railcar 8 is provided with two groups of hydraulic cylinders 17, and the top movable ends of the two groups of hydraulic cylinders 17 are respectively connected with the inner top ends of the L-shaped support plate 18.
As shown in fig. 4, the electric rail car further comprises a reinforcing plate 19 and stay wires 20, wherein the top ends of the groups of upper light bars 12 are connected with the bottom ends of the reinforcing plate 19, and a plurality of groups of stay wires 20 are arranged between the top end of the electric rail car 8 and the right end of the reinforcing plate 19.
In this embodiment, during the use, will hold the carriage of work piece and place on getting the material board 5, remove electric railcar 8 and carry out the removal of controlling the horizontal direction on electric track 7, breach 9 at polished rod 11 sliding contact simultaneously, L type branch 10 and polished rod 11 cooperation make electric railcar 8 keep the level, electric railcar 8 makes the material board 5 put into annealing stove 2 inside with carriage and work piece through lifting assembly, close furnace gate 3, annealing stove 2 heats the work piece and keeps after a period, furnace gate 3 is opened, afterwards electric railcar 8 drives material board 5 through lifting assembly and takes out carriage and work piece from annealing stove 2 inside, afterwards electric railcar 8 makes material board 5 drive carriage and work piece remove to cooling tank 4 directly over, hydraulic cylinder 17 drives top slide 14 and bottom slide 15 through L type extension board 18 under the cooperation of corresponding top slide 12 and bottom slide 13, further make link plate 16 drive material board 5 carry out the adjustment of height, when need carry out the extremely fast cooling to the work piece, two sets of hydraulic cylinders 17 shorten, thereby make top slide 14 and bottom slide 16 drive link plate 16 and make the work piece drive the work piece and take out the cooling tank 4, thereby make material board 5 drive the cooling tank 4 and carry out the cooling tank, thereby cooling efficiency, thereby material is cooled down in the work piece is cooled down.
The annealing furnace 2, the furnace door 3, the cooling tank 4, the electric rail 7, the electric rail car 8 and the hydraulic cylinder 17 in the workpiece annealing mechanism are purchased in the market, and a person skilled in the art only needs to install and operate according to the attached use instruction without creative labor of the person skilled in the art.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.
Claims (7)
1. A workpiece annealing mechanism, characterized in that: including base (1), annealing stove (2), furnace gate (3), cooling tank (4) and get material board (5), base (1) top is provided with annealing stove (2), installs furnace gate (3) on annealing stove (2), and base (1) top is provided with cooling tank (4), its characterized in that: the device further comprises a moving assembly and a lifting assembly, wherein the moving assembly is arranged at the top end of the base (1), the lifting assembly is arranged on the moving assembly, and the material taking plate (5) is arranged on the lifting assembly.
2. A workpiece annealing mechanism as defined in claim 1, wherein: the movable assembly comprises an electric rail (7), an electric rail car (8), a notch (9), L-shaped supporting rods (10) and polished rods (11), wherein two groups of electric rails (7) are arranged at the top end of a base (1), a cooling groove (4) is formed between the two groups of electric rails (7), the electric rail car (8) is slidably connected with the two groups of electric rails (7), notches (9) are respectively formed in the front end and the rear end of the electric rail car (8), two rows of L-shaped supporting rods (10) are arranged at the top end of the base (1), mirror symmetry is achieved between the two rows of L-shaped supporting rods (10), a group of polished rods (11) are connected to the other end of each group of L-shaped supporting rods (10), the polished rods (11) are matched with the notch (9), and the lifting assembly is mounted on the electric rail car (8).
3. A workpiece annealing mechanism as defined in claim 2, wherein: lifting assembly includes smooth (12), smooth (13) down, upward slide (14), slide (15) down, even board (16), pneumatic cylinder (17) and L type extension board (18), electric railcar (8) top is provided with smooth (12) in the multiunit, electric railcar (8) bottom is provided with smooth (13) down in the multiunit, upward slide (14) and smooth (12) sliding connection in the multiunit, slide (15) and smooth (13) sliding connection down in the multiunit down, upward slide (14) and slide (15) left end all are connected with even board (16) right-hand member, upward slide (14), slide (15) and even board (16) form "" style of calligraphy, even board (16) left end is provided with gets material board (5), upward slide (14) front and back both ends are provided with L type extension board (18) respectively, electric railcar (8) top is provided with two sets of pneumatic cylinders (17), the top removal end of two sets of pneumatic cylinders (17) are connected with the inside of L type extension board (18) respectively.
4. A workpiece annealing mechanism as defined in claim 3, wherein: the multifunctional polishing device further comprises a reinforcing plate (19), and the top ends of the groups of polishing bars (12) are connected with the bottom ends of the reinforcing plates (19).
5. A workpiece annealing mechanism as defined in claim 2, wherein: the outer side wall of the polish rod (11) is provided with a smooth coating.
6. A workpiece annealing mechanism as defined in claim 4, wherein: the electric railway car further comprises stay wires (20), and a plurality of groups of stay wires (20) are arranged between the top end of the electric railway car (8) and the right end of the reinforcing plate (19).
7. A workpiece annealing mechanism as defined in claim 2, wherein: the L-shaped supporting rod (10) is connected with the polish rod (11) in a welding mode.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321478453.6U CN220201988U (en) | 2023-06-12 | 2023-06-12 | Workpiece annealing mechanism |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321478453.6U CN220201988U (en) | 2023-06-12 | 2023-06-12 | Workpiece annealing mechanism |
Publications (1)
Publication Number | Publication Date |
---|---|
CN220201988U true CN220201988U (en) | 2023-12-19 |
Family
ID=89143413
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202321478453.6U Active CN220201988U (en) | 2023-06-12 | 2023-06-12 | Workpiece annealing mechanism |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN220201988U (en) |
-
2023
- 2023-06-12 CN CN202321478453.6U patent/CN220201988U/en active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US3476540A (en) | Method of bending glass sheets | |
CN109439865A (en) | Leaf spring constrains hardening robot automatic charging production line | |
CN101993193A (en) | Heat treatment apparatus for tempered glass | |
HU213488B (en) | Method and apparatus for conveying heated, formed glass sheets in a glass treatment system | |
CN105571319B (en) | High temperature process furnances with sliding equipment | |
CN201338987Y (en) | Horizontal swing device of horizontal roller track style glass toughening windshield mold | |
CN101927543A (en) | Plastic box water-cooling forming machine | |
US5340375A (en) | Method and apparatus for bending and tempering a glass sheet | |
CN220201988U (en) | Workpiece annealing mechanism | |
CN209602593U (en) | Leaf spring constrains hardening robot automatic charging production line | |
US5974836A (en) | Device used for the bending of plate glass into convex shapes | |
CN113943851B (en) | Full-automatic heat treatment system and heat treatment method for large workpiece | |
CN201300510Y (en) | Automatic plastic dip-coating machine for protecting sleeves | |
CN217179238U (en) | Trolley furnace | |
KR20030053400A (en) | Device for changing hearth roll of annealing furnace | |
CN110091025B (en) | Continuous brazing apparatus and method | |
CN112179146B (en) | Automatic feeding device of heating furnace | |
US4830649A (en) | Method & apparatus for bending glass sheets | |
CN211316179U (en) | Cantilever trackless device | |
CN210215471U (en) | Drawer type tempering furnace | |
CN220869418U (en) | Tunnel advance support pipe canopy preheats slip casting construction equipment | |
CN218666179U (en) | Heat treatment furnace with furnace body convenient to adjust | |
CN214792538U (en) | Curing oven for casting dry type transformer coil | |
CN219772190U (en) | Material conveying assembly of heat treatment furnace | |
CN220230013U (en) | Track changing device for graphite roasting tunnel kiln |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |