CN203048981U - Vertical tempering furnace - Google Patents
Vertical tempering furnace Download PDFInfo
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- CN203048981U CN203048981U CN 201220645248 CN201220645248U CN203048981U CN 203048981 U CN203048981 U CN 203048981U CN 201220645248 CN201220645248 CN 201220645248 CN 201220645248 U CN201220645248 U CN 201220645248U CN 203048981 U CN203048981 U CN 203048981U
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- tempering stove
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Abstract
The utility model discloses a vertical tempering furnace comprising a shell (1), a fire protection layer (2), a driving motor (3), a bearing platform (4), heating devices (5) and a control cabinet (6). The vertical tempering furnace is characterized in that the inner wall of the shell (1) is provided with the fire protection layer (2); a thermal insulation layer (8) is arranged between the fire protection layer (2) and the shell (1); the tempering furnace is provided with a bearing block (9) and a main shaft (10) which are matched with each other; the driving motor (3) is connected with the main shaft (10) through a driving chain (11); the bearing platform (4) is connected with the main shaft (10) through a driving flange (12); the left side, the right side and the rear side of the tempering furnace are respectively provided with one of the heating devices (5); and all actions of the tempering furnace are controlled by the control cabinet (6). Through the innovation realized by combining the driving motor, the bearing platform and the heating devices, the vertical tempering furnace with high efficiency, uniformity in tempering and good quality obtained after tempering is provided.
Description
Technical field:
The utility model relates to the heat treatment technics field, relates to a kind of miniature parts vertical tempering stove of tempering in batches that adapts in particular.
Background technology:
Tempering is that hardened steel is heated to below the austenite transformation temperature, the technology of cooling off after insulation for some time.Through tempering, the tissue of steel tends towards stability, and the fragility of hardened steel reduces, and toughness and plasticity improve, and eliminates or the minimizing quenching stress, and the shape of stabilized steel and size prevent quench part distortion and cracking, and high tempering can also improve machinability.Tempering stove is the usefulness of carrying out light alloy parts quenchings such as tempering and aluminum alloy die casting, piston, aluminium sheet, annealing, timeliness thermal treatment for common metal parts in air.But miniature parts, for example screw, nut etc., the inhomogeneous phenomenon of part tempering appears in their batch tempering process easily, has the low problem of working efficiency.And general tempering stove of the prior art does not effectively address this problem yet.Chinese patent Granted publication CN 2804116 Y for example, open day on 08 09th, 2006, the name of innovation and creation is called well formula tempering stove, this patent disclosure a kind of tempering stove, structure innovation by heating unit, ventilating duct and hot air circulating system, efficiently solve the problem that general well formula tempering stove energy-saving effect is poor, thermo-efficiency is low, but this patent is not fit to the container that miniature parts holds, when the batch tempering, part can only be deposited in together, occurs the inhomogeneous phenomenon of part tempering easily.Chinese patent application publication No. CN 102168234 A for example and for example, at on 08 31st, 2011 Shen Qing Publication day, the name of innovation and creation is called box tempering stove, this application case discloses a kind of tempering stove, combined innovation by thermopair and temperature controller, realized that low plumbous reed copper is consistent with the hardness of low plumbous grill after the tempering, but this application case needs the tempering parts are steadily evenly put into stove, be applicable to the tempering of single part, batch tempering for miniature parts, waste man-hour, increase labour intensity.Chinese patent application publication No. CN 102213544 A for example and for example, October 12 2011 Shen Qing Publication day, the name of innovation and creation is called tempering stove, this application case discloses a kind of tempering stove, pass through bell, the combined innovation of inner bag and air cycle heating unit, realized the even heating of furnace gas, hang on the comprehensive tempering of bell below workpiece, efficiently solve general tempering stove and the problem at tempering dead angle in the stove occurs, improved the tempering quality of workpiece, but for the batch tempering process of miniature parts, suspension method is wasted man-hour, has ineffective problem.The utility model provides a kind of cost low by the combined innovation of driving motor, plummer and heating unit, the efficient height, and the part tempering is even, the measured vertical tempering stove of matter after the tempering.
The utility model content:
The utility model solves ineffective the miniature parts inhomogeneous and ineffective problem of tempering in batches that solves of general tempering stove in the prior art, a kind of vertical tempering stove is provided, combined innovation by driving motor, plummer and heating unit, realize that this vertical tempering stove cost is low, the efficient height, the part tempering is even, and quality is good after the tempering.
In order to solve the technical problem of above-mentioned existence, the utility model is taked following technical proposals: a kind of vertical tempering stove, comprise shell, fireproofing, driving motor, plummer, heating unit and controlling box, it is characterized in that, described shell is provided with footing, inwall is provided with fireproofing, be provided with thermal insulation layer between described fireproofing and the shell, the bottom of described tempering stove is provided with bearing support and the main shaft that cooperatively interacts, described driving motor links to each other by transmission chain with main shaft, described plummer links to each other by driving flange with main shaft, the front side of described tempering stove is provided with relief door, the left side of tempering stove, right side and rear side are respectively equipped with heating unit, and the everything of tempering stove is controlled by controlling box.
When operation, evenly be placed in miniature parts in batches in the plummer earlier, open the relief door of tempering stove, by auxiliary means plummer is placed on the driving flange then, start driving motor by controlling box, the action of driving motor makes transmission chain move, the drive main shaft rotates, driving flange rotates, because the gravity of plummer self, plummer is along with driving flange rotates, start the start button of heating unit afterwards again at controlling box, the closed safe door heats the gas in the stove, because controlling box is to the control action kou of heating unit, make the temperature in the stove keep within the specific limits, tempering stove to stove in behind the part tempering one-period, opening safety door draws off plummer, and the plummer of again another being filled miniature parts is placed on the driving flange, carry out tempering, and it is to be cooled to normal temperature to finish the miniature parts that draws off tempering stove, sends into next process.Thermal insulation layer reduces the loss of vertical tempering furnace heat, saves energy dissipation, reduces cost; The left side of tempering stove, right side and rear side are respectively equipped with heating unit, and part is carried out multi-faceted tempering, prevent the phenomenon at tempering dead angle; Being used in combination of driving motor, transmission chain, bearing support, main shaft and driving flange, in the process of tempering, make plummer rotate in stove, the tempering degree that the part in the plummer is subjected to three orientation heating units is even, reduce the fraction defective of part tempering, improve the quality of products; Controlling box improves the automatic capability of this vertical tempering stove, reduces hand labor intensity, increases work efficiency.
Preferably, described each heating unit is formed by well heater, frame and fan, described well heater is fixed on the frame, frame is fixed on the fireproofing inwall, fan is fixedlyed connected with shell by support, the maximum height of described tempering stove left side well heater is identical with the maximum height of plummer, and the minimum altitude of tempering stove right side well heater is identical with the minimum altitude of plummer, and the height of the central position of tempering stove rear side well heater is identical with the height of plummer central position.Fan, the heat that well heater was produced scatters fast, and the protection well heater is strengthened gas flow in the tempering stove again, and furnace gas is heated evenly, and the part tempering is even; The different distributions of three side heater in the tempering stove when plummer rotates, is heated evenly the part in the plummer, reduces the otherness of tempering between part and the part, improves the stability of part tempering, guarantees tempering quality.
Preferably, the temperature in the described controlling box control tempering stove is between 180 ℃-220 ℃.Particularly miniature parts such as screw, nut reduces their fragility, improves hardness.
Preferably, described plummer is the circular multilayer structure, is provided with hopper, and the center of plummer is provided with axis, and described axis is fixedlyed connected with driving flange, and described every layer of plummer arranges impartial the branch, forms fan-shaped slot, and the shape of described hopper is consistent with slot.There is not the dead angle problem in the circular configuration of plummer during rotation, safe and reliable; The multilayered structure of plummer increases the circulation of at all levels gas, when tempering, reduces the tempering velocity contrast opposite sex of feed hopper bottom part and hopper upper parts, improves tempering efficient, guarantees tempering quality.Hopper is applicable to holding of various miniature parts, the having wide range of applications of this vertical tempering stove.
Preferably, described tempering stove also comprises rotating disk, and described rotating disk is provided with the bolt hole that fixes with driving flange, and the center of rotating disk is provided with the top of cone, and the lower end of described axis is engraved structure, with top grafting.Rotating disk, the frictional force of increase plummer and transmission rig guarantees the plummer normal rotation, improves the stability of tempering; Cone top makes things convenient for plummer to load onto rotating disk.
Preferably, described driving flange and main shaft socket fix by keyway and limited block.Simple in structure, easy for installation.
Preferably, the centre of described bearing support is provided with double-row bearing, and the upper end is provided with first single-row bearing, is provided with first pad between first single-row bearing and the double-row bearing, the lower end of described bearing support is provided with second single-row bearing, and the lower end of second single-row bearing is provided with second pad and step cover.When this vertical tempering stove operates, reduce the frictional force of rotating shaft, reduce power waste, reduce cost.
Preferably, described tempering stove also comprises water tank, water pump and adapter thereof, and described adapter is inserted in the tempering stove, and the everything of described water pump is controlled by controlling box.When the temperature of this tempering stove is too high, start water pump by controlling box, the interior temperature of stove is reduced rapidly, prevent unexpected generation, the security that improves this tempering stove.
Preferably, to finish a minimum work period of all process steps be 24 hours to described tempering stove.The long work period guarantees all the part complete temperings in the tempering stove, reduces the fraction defective of part, guarantees tempering quality.
Owing to take above-mentioned technical scheme, a kind of vertical tempering stove that the utility model provides has such beneficial effect: cost is low, stable performance, safe and reliable, by the combined innovation of driving motor, plummer and heating unit, realize this vertical tempering stove efficient height, the part tempering is even, quality is good after the tempering, is widely used.
Description of drawings:
Accompanying drawing 1 is vertical view of the present utility model;
Accompanying drawing 2 is the A-A sectional view of the utility model accompanying drawing 1;
Accompanying drawing 3 is that the B of the utility model accompanying drawing 2 is to enlarged view;
Accompanying drawing 4 is a kind of structural representation of the utility model heating unit;
Accompanying drawing 5 is a kind of structural representation of the utility model plummer;
Accompanying drawing 6 is the structural representation of the utility model rotating disk.
Among the figure: shell 1 fireproofing 2 driving motors 3 plummers 4 heating units 5 controlling boxs 6 footing 7 thermal insulation layers 8 bearing supports 9 main shafts 10 transmission chains 11 driving flanges 12 relief doors 13 well heaters 14 frames 15 fans 16 supports 17
Left side well heater 18 right side well heaters 19 rear side well heaters 20 hoppers 21 axis 22
Double-row bearing 29 first single-row bearings 30 first pads 31 second single-row bearings 32 second pads 33 step covers 34 water tanks 35 water pumps 36 take over 37
Embodiment:
Consult accompanying drawing, describe in further detail of the present utility model:
Embodiment one: by reference to the accompanying drawings 1,2, a kind of vertical tempering stove, comprise shell 1, fireproofing 2, driving motor 3, plummer 4, heating unit 5 and controlling box 6, shell 1 is provided with footing 7, inwall is provided with fireproofing 2, be provided with thermal insulation layer 8 between fireproofing 2 and the shell 1, the bottom of tempering stove is provided with bearing support 9 and the main shaft 10 that cooperatively interacts, driving motor 3 links to each other by transmission chain 11 with main shaft 10, plummer 4 links to each other by driving flange 12 with main shaft 10, the front side of tempering stove is provided with relief door 13, the left side of tempering stove, right side and rear side are respectively equipped with heating unit 5, and the everything of tempering stove is by controlling box 6 controls.
When operation, evenly be placed in miniature parts in batches in the plummer earlier, open the relief door of tempering stove, by auxiliary means plummer is placed on the driving flange then, start driving motor by controlling box, the action of driving motor makes transmission chain move, the drive main shaft rotates, driving flange rotates, because the gravity of plummer self, plummer is along with driving flange rotates, start the start button of heating unit afterwards again at controlling box, the closed safe door heats the gas in the stove, because controlling box is to the control action kou of heating unit, make the temperature in the stove keep within the specific limits, tempering stove to stove in behind the part tempering one-period, opening safety door draws off plummer, and the plummer of again another being filled miniature parts is placed on the driving flange, carry out tempering, and it is to be cooled to normal temperature to finish the miniature parts that draws off tempering stove, sends into next process.
Embodiment two: by reference to the accompanying drawings 1,2,4, a kind of vertical tempering stove, comprise shell 1, fireproofing 2, driving motor 3, plummer 4, heating unit 5 and controlling box 6, shell 1 is provided with footing 7, inwall is provided with fireproofing 2, be provided with thermal insulation layer 8 between fireproofing 2 and the shell 1, the bottom of tempering stove is provided with bearing support 9 and the main shaft 10 that cooperatively interacts, driving motor 3 links to each other by transmission chain 11 with main shaft 10, plummer 4 links to each other by driving flange 12 with main shaft 10, the front side of tempering stove is provided with relief door 13, the maximum height of tempering stove left side well heater 18 is identical with the maximum height of plummer 4, the minimum altitude of tempering stove right side well heater 19 is identical with the minimum altitude of plummer 4, the height of the central position of tempering stove rear side well heater 20 is identical with the height of plummer 4 central positions, each heating unit 5 is by well heater 14, frame 15 and fan 16 are formed, well heater 14 is fixed on the frame 15, frame 15 is fixed on fireproofing 2 inwalls, fan 16 is fixedlyed connected with shell 1 by support 17, temperature in the controlling box 6 control tempering stoves is between 180 ℃-220 ℃, the minimum work period that tempering stove is finished all process steps is 24 hours, and the everything of tempering stove is by controlling box 6 controls.
When operation, evenly be placed in miniature parts in batches in the plummer earlier, open the relief door of tempering stove, by auxiliary means plummer is placed on the driving flange then, start driving motor by controlling box, the action of driving motor makes transmission chain move, the drive main shaft rotates, driving flange rotates, because the gravity of plummer self, plummer is along with driving flange rotates, start the start button of well heater and blower fan afterwards again at controlling box, the closed safe door, at this moment, left side well heater in the tempering stove, right side well heater and rear side well heater are worked simultaneously, gas in the stove and the part in the plummer are heated simultaneously, because controlling box is to the control action kou of heating unit, make the temperature in the stove remain between 180 ℃-220 ℃, tempering stove to stove in one of part tempering after 24 hours, opening safety door draws off plummer, and the plummer of again another being filled miniature parts is placed on the driving flange, carry out tempering, and it is to be cooled to normal temperature to finish the miniature parts that draws off tempering stove, sends into next process.
Embodiment three: by reference to the accompanying drawings 1,2,4,5,6, a kind of vertical tempering stove, comprise shell 1, fireproofing 2, driving motor 3, the plummer 4 of circular multilayer structure, heating unit 5, controlling box 6 and rotating disk 24, shell 1 is provided with footing 7, inwall is provided with fireproofing 2, be provided with thermal insulation layer 8 between fireproofing 2 and the shell 1, the bottom of tempering stove is provided with bearing support 9 and the main shaft 10 that cooperatively interacts, driving motor 3 links to each other by transmission chain 11 with main shaft 10, plummer 4 is provided with hopper 21, the center of plummer 4 is provided with axis 22, every layer of plummer arranges for 4 impartial branches, form fan-shaped slot 23, the shape of hopper 21 is consistent with slot 23, rotating disk 24 is provided with the bolt hole 25 that fixes with driving flange 12, the center of rotating disk 24 is provided with top 26 of cone, the lower end of axis 22 is engraved structure, with top 26 grafting, driving flange 12 and main shaft 10 sockets, fix by keyway 27 and limited block 28, the front side of tempering stove is provided with relief door 13, the maximum height of tempering stove left side well heater 18 is identical with the maximum height of plummer 4, the minimum altitude of tempering stove right side well heater 19 is identical with the minimum altitude of plummer 4, the height of the central position of tempering stove rear side well heater 20 is identical with the height of plummer 4 central positions, each heating unit 5 is by well heater 14, frame 15 and fan 16 are formed, well heater 14 is fixed on the frame 15, frame 15 is fixed on fireproofing 2 inwalls, fan 16 is fixedlyed connected with shell 1 by support 17, temperature in the controlling box 6 control tempering stoves is between 180 ℃-220 ℃, the minimum work period that tempering stove is finished all process steps is 24 hours, and the everything of tempering stove is by controlling box 6 controls.
When operation, evenly be placed in miniature parts in batches in the hopper earlier, and hopper is inserted successively the slot of plummer, open the relief door of tempering stove, by auxiliary means plummer is placed on the rotating disk then, make the openwork part of axis lower end insert the top position of rotating disk, start driving motor by controlling box, the action of driving motor makes transmission chain move, the drive main shaft rotates, because the effect of keyway and limited block, driving flange rotates, rotating disk is along with driving flange rotates, because the gravity of plummer self, plummer is along with dial rotation, start the start button of well heater and blower fan afterwards again at controlling box, the closed safe door, at this moment, left side well heater in the tempering stove, right side well heater and rear side well heater are worked simultaneously, gas in the stove and the part in the plummer are heated simultaneously, because controlling box is to the control action kou of heating unit, make the temperature in the stove remain between 180 ℃-220 ℃, tempering stove to stove in one of part tempering after 24 hours, opening safety door draws off plummer, and the plummer of again another being filled miniature parts is placed on the driving flange, carry out tempering, and it is to be cooled to normal temperature to finish the miniature parts that draws off tempering stove, sends into next process.
Embodiment four: by reference to the accompanying drawings 1,2,3,4,5,6, a kind of vertical tempering stove, comprise shell 1, fireproofing 2, driving motor 3, the plummer 4 of circular multilayer structure, heating unit 5, controlling box 6, rotating disk 24, water tank 35, water pump 36 and take over 37, shell 1 is provided with footing 7, inwall is provided with fireproofing 2, be provided with thermal insulation layer 8 between fireproofing 2 and the shell 1, the bottom of tempering stove is provided with bearing support 9 and the main shaft 10 that cooperatively interacts, the centre of bearing support 9 is provided with double-row bearing 29, the upper end is provided with first single-row bearing 30, be provided with first pad 31 between first single-row bearing 30 and the double-row bearing 29, the lower end of bearing support 9 is provided with second single-row bearing 32, the lower end of second single-row bearing 32 is provided with second pad 33 and step cover 34, driving motor 3 links to each other by transmission chain 11 with main shaft 10, plummer 4 is provided with hopper 21, the center of plummer 4 is provided with axis 22, every layer of plummer arranges for 4 impartial branches, form fan-shaped slot 23, the shape of hopper 21 is consistent with slot 23, rotating disk 24 is provided with the bolt hole 25 that fixes with driving flange 12, the center of rotating disk 24 is provided with top 26 of cone, the lower end of axis 22 is engraved structure, with top 26 grafting, driving flange 12 and main shaft 10 sockets, fix by keyway 27 and limited block 28, the front side of tempering stove is provided with relief door 13, the maximum height of tempering stove left side well heater 18 is identical with the maximum height of plummer 4, the minimum altitude of tempering stove right side well heater 19 is identical with the minimum altitude of plummer 4, the height of the central position of tempering stove rear side well heater 20 is identical with the height of plummer 4 central positions, each heating unit 5 is by well heater 14, frame 15 and fan 16 are formed, well heater 14 is fixed on the frame 15, frame 15 is fixed on fireproofing 2 inwalls, fan 16 is fixedlyed connected with shell 1 by support 17, taking over 37 inserts in the tempering stove, temperature in the controlling box 6 control tempering stoves is between 180 ℃-220 ℃, the minimum work period that tempering stove is finished all process steps is 24 hours, and the everything of tempering stove is by controlling box 6 controls.
When operation, evenly be placed in miniature parts in batches in the hopper earlier, and hopper is inserted successively the slot of plummer, open the relief door of tempering stove, by auxiliary means plummer is placed on the rotating disk then, make the openwork part of axis lower end insert the top position of rotating disk, start driving motor by controlling box, the action of driving motor makes transmission chain move, because first single-row bearing, the acting in conjunction of double-row bearing and second single-row bearing, being easy to drive main shaft rotates, because the effect of keyway and limited block, driving flange rotates, rotating disk is along with driving flange rotates, because the gravity of plummer self, plummer is along with dial rotation, start the start button of well heater and blower fan afterwards again at controlling box, the closed safe door, at this moment, left side well heater in the tempering stove, right side well heater and rear side well heater are worked simultaneously, gas in the stove and the part in the plummer are heated simultaneously, because controlling box, makes that the temperature in the stove remains between 180 ℃-220 ℃ to the control action kou of well heater, tempering stove to stove in one of part tempering after 24 hours, opening safety door, draw off plummer, and the plummer of again another being filled miniature parts is placed on the driving flange, carries out tempering, and it is to be cooled to normal temperature to finish the miniature parts that draws off tempering stove, sends into next process.When temperature was too high in the tempering stove, controlling box sent alarm, and the staff starts the pump switch on the controlling box, spray water in tempering stove by taking over, cooling rapidly, treat safety after, opening safety door overhauls tempering stove.
Above-described four specific embodiments are described in detail the utility model.Used specific embodiment herein principle of the present utility model and embodiment are set forth, the explanation of embodiment just is used for helping to understand core concept of the present utility model.Should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model core concept; can also carry out some modifications to the utility model; for example quantity of the number of plies of the parameter of driving motor, well heater and blower fan, plummer and every layer of slot thereof etc. is carried out some modifications or combination, should drop within the protection domain of the utility model claim.
Claims (9)
1. vertical tempering stove, comprise shell (1), fireproofing (2), driving motor (3), plummer (4), heating unit (5) and controlling box (6), it is characterized in that, described shell (1) is provided with footing (7), inwall is provided with fireproofing (2), be provided with thermal insulation layer (8) between described fireproofing (2) and the shell (1), the bottom of described tempering stove is provided with bearing support (9) and the main shaft (10) that cooperatively interacts, described driving motor (3) links to each other by transmission chain (11) with main shaft (10), described plummer (4) links to each other by driving flange (12) with main shaft (10), the front side of described tempering stove is provided with relief door (13), the left side of tempering stove, right side and rear side are respectively equipped with heating unit (5), and the everything of tempering stove is controlled by controlling box (6).
2. a kind of vertical tempering stove according to claim 1, it is characterized in that, described each heating unit (5) is by well heater (14), frame (15) and fan (16) are formed, described well heater (14) is fixed on the frame (15), frame (15) is fixed on fireproofing (2) inwall, fan (16) is fixedlyed connected with shell (1) by support (17), the maximum height of described tempering stove left side well heater (18) is identical with the maximum height of plummer (4), the minimum altitude of tempering stove right side well heater (19) is identical with the minimum altitude of plummer (4), and the height of the central position of tempering stove rear side well heater (20) is identical with the height of plummer (4) central position.
3. a kind of vertical tempering stove according to claim 1 and 2 is characterized in that, the temperature in described controlling box (6) the control tempering stove is between 180 ℃-220 ℃.
4. a kind of vertical tempering stove according to claim 1, it is characterized in that, described plummer (4) is the circular multilayer structure, be provided with hopper (21), the center of plummer (4) is provided with axis (22), and described axis (22) is fixedlyed connected with driving flange (12), and described every layer of plummer (4) arranges impartial the branch, form fan-shaped slot (23), the shape of described hopper (21) is consistent with slot (23).
5. according to claim 1 or 4 described a kind of vertical tempering stoves, it is characterized in that, described tempering stove also comprises rotating disk (24), described rotating disk (24) is provided with the bolt hole (25) that fixes with driving flange (12), the center of rotating disk (24) is provided with top (26) of cone, the lower end of described axis (22) is engraved structure, pegs graft with top (26).
6. according to claim 4 or 5 described a kind of vertical tempering stoves, it is characterized in that described driving flange (12) and main shaft (10) socket fix by keyway (27) and limited block (28).
7. a kind of vertical tempering stove according to claim 1, it is characterized in that, the centre of described bearing support (9) is provided with double-row bearing (29), the upper end is provided with first single-row bearing (30), be provided with first pad (31) between first single-row bearing (30) and the double-row bearing (29), the lower end of described bearing support (9) is provided with second single-row bearing (32), and the lower end of second single-row bearing (32) is provided with second pad (33) and step cover (34).
8. a kind of vertical tempering stove according to claim 1, it is characterized in that, described tempering stove also comprises water tank (35), water pump (36) and takes over (37) that in described adapter (37) the insertion tempering stove, the everything of described water pump (36) is controlled by controlling box (6).
9. a kind of vertical tempering stove according to claim 1 is characterized in that, the minimum work period that described tempering stove is finished all process steps is 24 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220645248 CN203048981U (en) | 2012-11-30 | 2012-11-30 | Vertical tempering furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220645248 CN203048981U (en) | 2012-11-30 | 2012-11-30 | Vertical tempering furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203048981U true CN203048981U (en) | 2013-07-10 |
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ID=48731958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220645248 Expired - Fee Related CN203048981U (en) | 2012-11-30 | 2012-11-30 | Vertical tempering furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203048981U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103088188A (en) * | 2012-11-30 | 2013-05-08 | 宁波雪波特紧固件有限公司 | Vertical tempering furnace |
| CN105458563A (en) * | 2015-12-05 | 2016-04-06 | 重庆市庆颖摩托车配件有限公司 | Thermal insulation device for storing welding parts |
-
2012
- 2012-11-30 CN CN 201220645248 patent/CN203048981U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103088188A (en) * | 2012-11-30 | 2013-05-08 | 宁波雪波特紧固件有限公司 | Vertical tempering furnace |
| CN103088188B (en) * | 2012-11-30 | 2014-09-17 | 宁波雪波特紧固件有限公司 | Vertical tempering furnace |
| CN105458563A (en) * | 2015-12-05 | 2016-04-06 | 重庆市庆颖摩托车配件有限公司 | Thermal insulation device for storing welding parts |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130710 Termination date: 20151130 |
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| EXPY | Termination of patent right or utility model |