CN108036638B - Curing assembly line for ignition coil - Google Patents
Curing assembly line for ignition coil Download PDFInfo
- Publication number
- CN108036638B CN108036638B CN201810089153.6A CN201810089153A CN108036638B CN 108036638 B CN108036638 B CN 108036638B CN 201810089153 A CN201810089153 A CN 201810089153A CN 108036638 B CN108036638 B CN 108036638B
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- CN
- China
- Prior art keywords
- curing
- curved
- tray
- transverse
- chain
- 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.)
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- 238000010438 heat treatment Methods 0.000 claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims description 12
- 238000007599 discharging Methods 0.000 claims description 11
- 239000003638 chemical reducing agent Substances 0.000 claims description 10
- 238000009413 insulation Methods 0.000 claims description 4
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 238000007711 solidification Methods 0.000 abstract description 4
- 230000008023 solidification Effects 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 2
- 238000005336 cracking Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/02—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity of multiple-track type; of multiple-chamber type; Combinations of furnaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/06—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity heated without contact between combustion gases and charge; electrically heated
- F27B9/10—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity heated without contact between combustion gases and charge; electrically heated heated by hot air or gas
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/14—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/30—Details, accessories or equipment specially adapted for furnaces of these types
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/30—Details, accessories or equipment specially adapted for furnaces of these types
- F27B9/36—Arrangements of heating devices
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/12—Ignition, e.g. for IC engines
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
Abstract
The invention discloses a curing assembly line for an ignition coil, which is characterized by comprising a plurality of curing units and a conveying system: each curing unit comprises a cavity, a heating plate and a blower; all the curing units are orderly stacked in a row-by-row mode, distributed side by side and spliced into a whole; the conveying system comprises a transverse conveying belt and a curved conveying belt, and the transverse conveying belt and the curved conveying belt cooperate to enable a tray loaded with the ignition coil to pass through the cavities of all the curing units along an up-and-down reciprocating path for curing. The requirement of continuously heating up when the ignition coil is solidified is met; the length of the assembly line is shortened, and the field utilization rate is greatly improved; the heating energy consumption of equipment materials and solidification is reduced; the curing quality is effectively improved, and the occurrence of cracking phenomenon inside the product is avoided.
Description
Technical Field
The invention relates to pipeline operation equipment suitable for curing an ignition coil.
Background
The ignition coil belongs to automobile parts, and the production process comprises the following steps: winding, assembling, glue filling, curing, post-loading, detecting and packaging the primary and secondary winding. The horizontal curing furnace (also called tunnel furnace) in the curing process in the prior art is formed by connecting a plurality of temperature areas in parallel and horizontally, the ignition coil sequentially passes through the temperature areas under the conveying of a conveyor belt, and the temperature is heated from low to high, so that the encapsulation insulating glue in the ignition coil is cured. Generally, the length of a curing oven is about 22 meters, which is one procedure of the ignition coil manufacturer which occupies most of the production field, and the curing oven occupies more than 30% of the whole factory production field, so that the field cost is greatly increased; meanwhile, the existing curing equipment has the defects of high equipment cost and high energy consumption.
Disclosure of Invention
In order to solve the defects, the technical problem to be solved by the invention is to provide the assembly line operation equipment suitable for curing the ignition coil, so that the utilization rate of a production field is greatly improved on the basis of meeting the production requirement, and the curing energy consumption is effectively reduced. In order to solve the technical problems, the invention adopts the technical scheme that the curing assembly line for the ignition coil is characterized by comprising a plurality of curing units and a conveying system: each curing unit comprises a cavity provided with a heat insulation outer wall, a heating disc and an air blower are arranged on the outer wall at one end of the cavity, and the air blower is fixedly arranged on the heating disc and feeds hot air into the cavity; all the curing units are orderly stacked in a row-by-row mode, distributed side by side and spliced into a whole; the cavities of the two curing units at the two ends of the bottommost layer are respectively provided with a feed inlet and a discharge outlet;
the conveying system comprises a transverse conveying belt and a curved conveying belt, wherein the transverse conveying belt passes through the cavity inner cavities of all the curing units at the bottommost layer along a horizontal path, and the feeding port and the discharging port, and the curved conveying belt passes through the cavity inner cavities of all the curing units along an up-and-down reciprocating path; corresponding to the passing paths of the transverse conveyor belt and the curved conveyor belt, the cavities of the corresponding curing units are communicated up and down or left and right;
the curved conveyor belt is respectively intersected with the transverse conveyor belt at the positions close to the feed inlet and the discharge outlet and is respectively called a feed intersection point and a discharge intersection point;
the transverse transmission belt conveys the tray loaded with the ignition coil to the feeding intersection point, the curved transmission belt drives the tray to ascend through the hook to take away when passing through the feeding intersection point, the curved transmission belt conveys the tray to the discharging intersection point along an up-and-down reciprocating path, and the transverse transmission belt horizontally pushes the tray to separate from the hook and take away when passing through the discharging intersection point to be sent out of the discharging hole.
Preferably, the conveying system comprises two parallel transverse conveying belts and two parallel curved conveying belts, wherein the transverse conveying belts are composed of a chain M and chain plates fixedly connected to the chain M, and the curved conveying belts are composed of a chain N and hooks hinged to the chain N; the two parallel transverse conveyor belts are positioned at the bottom of the tray, the speed reducer M drives the chain plate to move through the driving chain M, and the chain plate pushes the tray with the bottom clamped between the chain plate and the speed reducer M to move; the two parallel curved conveyor belts are respectively positioned at two sides of the tray, the speed reducer N drives the hooks to move through the driving chain N, and the two hooks corresponding to the two curved conveyor belts hook the edges of the two side plates of the tray to drive the tray to move.
Preferably, the twelve curing units are orderly stacked in a 4-column x 3-row mode, are distributed side by side and are spliced into a whole, and the curved conveyor belt moves at a constant speed of 55-65 cm/800 seconds.
The invention has the beneficial effects that: 1. the curing unit with independent temperature adjusting capability can correspondingly form different temperature areas to meet the requirement of continuously heating up when the ignition coil is cured; the plurality of curing units which are distributed in a three-dimensional way shortens the length of a production line and greatly improves the field utilization rate;
2. a large number of shared cavity walls or parts exist among a plurality of curing units which are distributed in a three-dimensional way, so that the materials for equipment are reduced, and the resource loss and the equipment cost are reduced; the stacked and juxtaposed curing units reduce heat loss and effectively reduce heating energy consumption for curing;
3. in each solidification unit along upper and lower reciprocating path distribution, based on the hot air intersection influence of inner chamber intercommunication and based on the radiation conduction influence of chamber wall laminating for along the temperature rise curve that ignition coil passed through the route and be smooth, this kind of temperature gradual change mode can let ignition coil better solidification, can not lead to inside fracture of product because of thermal expansion coefficient difference between silicon steel sheet, copper line, skeleton and the resin that constitutes ignition coil, effectively improved the solidification quality, thoroughly stopped the emergence of the inside fracture phenomenon of product, make the reliability of product improve, insulating properties strengthen, temperature characteristic promotes.
In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the invention, whereby the invention is not limited to the specific embodiments disclosed below.
Drawings
FIG. 1 is a schematic view of the external structure of the apparatus of the present invention;
FIG. 2 is a schematic view of the internal structure of the apparatus of the present invention;
fig. 3 is a schematic view of a tray structure.
Reference numerals illustrate: the device comprises a 1-blower, a 2-ignition coil, a 3-tray, a 301-tray edge, a 4-chain M, a 5-chain plate, a 6-large gear, a 7-chain N, an 8-speed reducer N, a 9-speed reducer M, a 10-heating tray, a 11-pinion, a 12-hook, a 13-cavity, a 14-heat insulation layer, a 15-feed inlet and a 16-discharge outlet.
Detailed Description
Referring to the drawings, reflecting one specific configuration of the present invention, the curing line for an ignition coil includes twelve curing units and a conveyor system.
Each curing unit comprises a cuboid cavity 13, and a heat insulation layer 14 is arranged on the outer wall of the cavity 13. The outer wall of one end of the cavity 13 is provided with a heating disc 10 and a blower 1, the blower 1 is fixedly arranged on the heating disc 13, and hot air is fed into the cavity 13; the heating plate 10 and the blower 1 of each curing unit are adjusted to form different temperature areas correspondingly, and the single curing unit is set with different temperatures from low to high so as to form twelve different temperature areas, thereby meeting the requirement of continuously heating up when the ignition coil is cured.
Twelve curing units are orderly stacked in a 4-column and 3-row mode, are distributed side by side and are spliced into a whole, and the side faces of the cavities 13 of the two curing units at the two ends of the bottommost layer are respectively provided with a feed inlet 15 and a discharge outlet 16. The space above 1.5 meters of the production field can be utilized while the length of the curing oven is shortened through assembly and fixation.
The conveying system comprises two parallel transverse conveying belts and two parallel curved conveying belts, wherein each transverse conveying belt consists of a chain M4 and a chain plate 5 fixedly connected to the chain M4, and each curved conveying belt consists of a chain N7 and a hook 12 hinged to the chain N7. Two parallel transverse conveyor belts are positioned at the bottom of the tray 3, and a speed reducer M9 drives a chain plate 5 to move through a driving chain M4, and the chain plate 5 pushes the tray 3 with the bottom clamped between the two conveyor belts to move. Two parallel curved conveyor belts are respectively positioned at two sides of the tray 3, a speed reducer N8 drives a hook 12 to move at a uniform speed of 60 cm/800 seconds through a driving chain N7, and a right-angle turning place is driven through a large gear 6 and a small gear 11. Two hooks 12 corresponding to the two curved conveyor belts hook the two side disc edges 301 of the tray 3 to drive the tray 3 to move. The hook 12 hinged on the chain N7 can rotate when passing through the quarter turn position, ensuring that the tray 3 always maintains a horizontal posture avoiding the ignition coil 2 from falling.
The transverse conveyor belt passes along a horizontal path through the inner cavities of the cavities 13 of the bottom-most curing units and the feed inlet 15 and the discharge outlet 16. As shown in fig. 2, in the 4 column×3 row curing unit, the transverse conveyor belt follows a horizontal path through the inner cavities of the four cavities 13 of the bottom row and the inlet 15 and outlet 16. The four cavities 13 of the bottom row are communicated left and right corresponding to the passing path of the transverse conveyor belt.
The curved conveyor belt follows a reciprocating path up and down through the inner cavities of the cavities 13 of the twelve curing units. As shown in fig. 2, in the curing unit of 4 columns×3 rows, the curved conveyor belt moves upward in the inner cavities of the first column of the cavities 13 on the left side, then moves downward in the inner cavities of the second column of the cavities 13, then moves upward in the inner cavities of the third column of the cavities 13, and then moves downward in the inner cavities of the fourth column of the cavities 13. The cavities 13 in each row are communicated up and down corresponding to the passing path of the curved conveyor belt, and the cavities 13 at the traversing position are communicated left and right.
The curved conveyor belt is respectively intersected with the transverse conveyor belt at a position A near the feed inlet 15 and a position B near the discharge outlet 16, and the curved conveyor belt is respectively called a feed intersection point and a discharge intersection point;
the transverse transmission belt conveys the tray 3 loaded with the ignition coil 2 to a feeding intersection point (A position), then the tray 3 is driven to rise and take away by the hook 12 when the transverse transmission belt passes through the feeding intersection point, then the transverse transmission belt conveys the tray 3 to a discharging intersection point (B position) along an up-and-down reciprocating path, and the chain plate 5 horizontally pushes the tray 3 to be separated from the hook 12 and take away and send out the discharging hole 16 when the transverse transmission belt passes through the discharging intersection point. Curing of the ignition coil 2 is completed.
Sampling the product cured by the method for high-low temperature cycle experiments, and sampling the same samples of the products obtained by two curing modes in the prior art for comparison, wherein the experimental data are shown in the following table:
the foregoing implementations are merely illustrative of the present invention and are not to be construed as limiting thereof. The invention has a plurality of alternatives or variants known in the technical field, and all fall into the protection scope of the invention without departing from the essential meaning of the invention.
Claims (3)
1. A curing line for an ignition coil, comprising a plurality of curing units and a conveyor system: each curing unit comprises a cavity provided with a heat insulation outer wall, a heating disc and an air blower are arranged on the outer wall at one end of the cavity, and the air blower is fixedly arranged on the heating disc and feeds hot air into the cavity; all the curing units are orderly stacked in a row-by-row mode, distributed side by side and spliced into a whole; the cavities of the two curing units at the two ends of the bottommost layer are respectively provided with a feed inlet and a discharge outlet;
the conveying system comprises a transverse conveying belt and a curved conveying belt, wherein the transverse conveying belt passes through the cavity inner cavities of all the curing units at the bottommost layer along a horizontal path, and the feeding port and the discharging port, and the curved conveying belt passes through the cavity inner cavities of all the curing units along an up-and-down reciprocating path; corresponding to the passing paths of the transverse conveyor belt and the curved conveyor belt, the cavities of the corresponding curing units are communicated up and down or left and right;
the curved conveyor belt is respectively intersected with the transverse conveyor belt at the positions close to the feed inlet and the discharge outlet and is respectively called a feed intersection point and a discharge intersection point;
the transverse transmission belt conveys the tray loaded with the ignition coil to the feeding intersection point, the curved transmission belt drives the tray to ascend through the hook to take away when passing through the feeding intersection point, the curved transmission belt conveys the tray to the discharging intersection point along an up-and-down reciprocating path, and the transverse transmission belt horizontally pushes the tray to separate from the hook and take away when passing through the discharging intersection point to be sent out of the discharging hole.
2. A curing line for ignition coils according to claim 1, characterized in that said conveyor system comprises two parallel transverse conveyors and two parallel curved conveyors, said transverse conveyors being constituted by a chain M and a link plate fixedly connected to the chain M, said curved conveyors being constituted by a chain N and hooks hinged to the chain N; the two parallel transverse conveyor belts are positioned at the bottom of the tray, the speed reducer M drives the chain plate to move through the driving chain M, and the chain plate pushes the tray with the bottom clamped between the chain plate and the speed reducer M to move; the two parallel curved conveyor belts are respectively positioned at two sides of the tray, the speed reducer N drives the hooks to move through the driving chain N, and the two hooks corresponding to the two curved conveyor belts hook the edges of the two side plates of the tray to drive the tray to move.
3. A curing line for ignition coils as claimed in claim 1 or 2, characterized in that twelve curing units are arranged in a 4-column x 3-row array and are joined together in a single unit, the curved conveyor moving at a constant speed of 55-65 cm/800 sec.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810089153.6A CN108036638B (en) | 2018-01-30 | 2018-01-30 | Curing assembly line for ignition coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810089153.6A CN108036638B (en) | 2018-01-30 | 2018-01-30 | Curing assembly line for ignition coil |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108036638A CN108036638A (en) | 2018-05-15 |
| CN108036638B true CN108036638B (en) | 2023-08-01 |
Family
ID=62097097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810089153.6A Active CN108036638B (en) | 2018-01-30 | 2018-01-30 | Curing assembly line for ignition coil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108036638B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201093861Y (en) * | 2007-09-06 | 2008-07-30 | 云南常青树化工有限公司 | Double assembling energy saving type industry tunnel kiln |
| CN201644354U (en) * | 2010-03-25 | 2010-11-24 | 广州汇侨电子有限公司 | Continuous electronic component solidifying device |
| JP2016125086A (en) * | 2014-12-26 | 2016-07-11 | 株式会社三井ハイテック | Heat treatment method and plate |
| CN107062894A (en) * | 2017-03-31 | 2017-08-18 | 东莞市科隆威自动化设备有限公司 | A double-line drying and sintering furnace |
| CN206609283U (en) * | 2017-02-28 | 2017-11-03 | 江苏冠达通电子科技有限公司 | A kind of online vertical storage type oven |
| CN207831909U (en) * | 2018-01-30 | 2018-09-07 | 长沙奥斯凯汽车零部件有限公司 | A kind of solidification assembly line for ignition coil |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008144427A1 (en) * | 2007-05-18 | 2008-11-27 | Coopervision International Holding Company, Lp | Thermal curing methods and systems for forming contact lenses |
-
2018
- 2018-01-30 CN CN201810089153.6A patent/CN108036638B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201093861Y (en) * | 2007-09-06 | 2008-07-30 | 云南常青树化工有限公司 | Double assembling energy saving type industry tunnel kiln |
| CN201644354U (en) * | 2010-03-25 | 2010-11-24 | 广州汇侨电子有限公司 | Continuous electronic component solidifying device |
| JP2016125086A (en) * | 2014-12-26 | 2016-07-11 | 株式会社三井ハイテック | Heat treatment method and plate |
| CN206609283U (en) * | 2017-02-28 | 2017-11-03 | 江苏冠达通电子科技有限公司 | A kind of online vertical storage type oven |
| CN107062894A (en) * | 2017-03-31 | 2017-08-18 | 东莞市科隆威自动化设备有限公司 | A double-line drying and sintering furnace |
| CN207831909U (en) * | 2018-01-30 | 2018-09-07 | 长沙奥斯凯汽车零部件有限公司 | A kind of solidification assembly line for ignition coil |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108036638A (en) | 2018-05-15 |
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