CN215050534U - Vacuum annealing furnace - Google Patents
Vacuum annealing furnace Download PDFInfo
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- CN215050534U CN215050534U CN202120577863.0U CN202120577863U CN215050534U CN 215050534 U CN215050534 U CN 215050534U CN 202120577863 U CN202120577863 U CN 202120577863U CN 215050534 U CN215050534 U CN 215050534U
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Abstract
The utility model relates to a heating furnace field discloses a vacuum annealing furnace. The utility model discloses a vacuum annealing furnace, include: the furnace body is provided with a connecting joint connected with a vacuum pump, and the first thermocouple is arranged on the side plate and stretches into the furnace of the furnace body. The vacuum annealing furnace of the utility model is controlled by the controller, vacuum negative pressure is formed in the hearth of the furnace body through the vacuum pump, and the workpiece can keep a bright outer surface after annealing in the hearth; the heating rods are arranged on the inner side wall of the hearth in a surrounding mode, so that the temperature in the hearth is more uniform, and the annealing quality of workpieces is guaranteed.
Description
Technical Field
The embodiment of the utility model provides a relate to the heating furnace field, concretely relates to vacuum annealing stove.
Background
Annealing is a process frequently used in the processing process of metal materials, and mainly refers to a heat treatment process of heating the metal materials in a closed container, preserving heat for a period of time at high temperature, and then slowly cooling, and the main purpose is to release the internal stress of the materials and increase the ductility and toughness of the materials.
The resistance wire for the heater needs to be annealed by an annealing furnace before use, so that the rigidity of the resistance wire is reduced, and the resistance wire is convenient to coil and form.
However, in the annealing furnace in the prior art, generally, nitrogen protection is performed during annealing, and a nitriding color is formed on the surface of the resistance wire, so that the appearance quality of the resistance wire is influenced; and the uniformity of the furnace temperature of the annealing furnace is poor, so that the annealing quality of the resistance wire is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a vacuum annealing furnace to solve the problem among the above-mentioned background art.
The embodiment of the utility model provides a vacuum annealing furnace, include: the device comprises a base, a furnace body, a first thermocouple, a controller and a plurality of heating rods;
the furnace body is cylindrical and is provided with a hearth, and the furnace body is horizontally arranged on the base;
one end of the furnace body is provided with a side plate, the other end of the furnace body is provided with a furnace door, the furnace door seals the furnace body when closed, and a fluid channel is arranged in the circumferential side wall of the furnace body and is used for cooling water to pass through;
the heating rods are arranged on the side plate, the heating rods are arranged on the circumferential outer edge of the side plate at intervals, and the heating ends of the heating rods extend into the hearth;
a connecting joint is arranged on the circumferential side wall of the furnace body, and the connecting joint is communicated with the hearth and is used for being connected with an external vacuum pump;
the first thermocouple is arranged on the side plate, extends into the hearth and is used for detecting the temperature of the hearth;
the first thermocouple and the heating rods are respectively electrically connected with the controller.
According to the above scheme, the utility model discloses a vacuum annealing furnace, through setting up base, furnace body, first thermocouple, controller and many heating rods, the setting of furnace body horizontally is on the base, and many heating rods set up on the curb plate of furnace body, and many heating rod spaced lay on the circumference of curb plate along outward, stretch into the furnace of furnace body in, be equipped with on the circumference lateral wall of furnace body with vacuum pump connection's attach fitting, first thermocouple sets up on the curb plate of furnace body. The vacuum annealing furnace of the utility model is controlled by the controller, vacuum negative pressure is formed in the hearth of the furnace body through the vacuum pump, and the workpiece can keep a bright outer surface after annealing in the hearth; the heating rods are arranged on the inner side wall of the hearth in a surrounding mode, so that the temperature in the hearth is more uniform, and the annealing quality of workpieces is guaranteed.
In one possible embodiment, the method further comprises: a plurality of protection tubes;
the protection pipes penetrate through the side plates and extend into the hearth;
the heating rods are respectively arranged in the protection pipes in a penetrating mode.
In a feasible scheme, a fixed bracket is arranged in the furnace body in the hearth, and the fixed bracket is provided with a fixed hole;
the far end of the protection tube penetrates through the fixing hole.
In one possible embodiment, the proximal end of the protective tube is provided with a fastening flange for connecting to a mounting flange of the heating rod.
In one possible embodiment, the method further comprises: a protective cover;
the circumferential side wall of the fixed flange is provided with a plurality of threaded holes;
the protective cover is arranged on the fixed flange and connected with the fixed flange through a connecting bolt, and the protective cover is used for shielding the heating rod.
In one possible embodiment, the method further comprises: a plurality of second thermocouples;
many second thermocouples set up respectively in many heating rods, and respectively with controller electric connection, the second thermocouple is used for detecting the temperature of heating rod.
In a feasible scheme, the furnace body is provided with two guide rails at the bottom of the hearth;
the two guide rails are arranged in parallel, and one side of the guide rails is V-shaped on the top surface and used for being embedded into a V-shaped groove of the square frame body.
In a feasible scheme, a first circular baffle and a second circular baffle are arranged in the hearth;
the inner side surfaces of the first circular baffle and the second circular baffle are mirror surfaces;
the first circular baffle and the second circular baffle are arranged on the side plate and located between the furnace body and the heating rod, and the furnace body, the second circular baffle and the first circular baffle are arranged at intervals.
In a possible scheme, a third baffle and a fourth baffle are arranged on the furnace door;
the inner side surfaces of the third baffle and the fourth baffle are mirror surfaces;
a plurality of step-shaped first supports are arranged on the inner side surface of the furnace door, and first pin shaft holes are formed in the end parts of the first supports;
the third baffle with the fourth baffle is worn to establish on a plurality of first pillars, through the round pin axle fastening, just first pillar is in the third baffle with the cover is equipped with first pad post between the fourth baffle, makes the third baffle the fourth baffle with the furnace gate interval sets up.
In a feasible scheme, a fifth baffle and a sixth baffle are arranged on the side plate;
the inner side surfaces of the fifth baffle and the sixth baffle are mirror surfaces;
a plurality of step-shaped second supporting columns are arranged on the inner side surfaces of the side plates, and second pin shaft holes are formed in the end parts of the second supporting columns;
the fifth baffle with the sixth baffle is worn to establish on a plurality of second pillars, through the round pin hub fixation, just the second pillar is in the fifth baffle with the cover is equipped with the second pad post between the sixth baffle, makes the fifth baffle the sixth baffle with the curb plate interval sets up.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
FIG. 1 is a schematic view of a vacuum annealing furnace according to an embodiment of the present invention;
fig. 2 is a schematic view of a protection tube in an embodiment of the present invention;
FIG. 3 is a schematic view of a furnace body according to an embodiment of the present invention;
fig. 4 is an enlarged view of a point a in fig. 3 in an embodiment of the present invention;
fig. 5 is a schematic view of a furnace door according to an embodiment of the present invention;
fig. 6 is a schematic view of a first support column in an embodiment of the invention;
fig. 7 is a schematic view of a side plate in an embodiment of the present invention.
Reference numbers in the figures:
1. a base; 2. a furnace body; 21. a side plate; 211. a fifth baffle; 212. a sixth baffle; 213. a second support; 22. a furnace door; 221. a third baffle plate; 222. a fourth baffle; 223. a first support; 224. a first pin shaft hole; 225. a first pad post; 23. connecting a joint; 24. fixing a bracket; 25. a guide rail; 26. a first circular baffle; 27. a second circular baffle; 3. a heating rod; 31. installing a flange; 41. protecting the tube; 411. a fixed flange; 42. a protective cover; 5. a square frame body; 51. and a V-shaped groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present invention and for simplicity in description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention.
In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as a fixed connection, a detachable connection, or an integral part; the connection can be mechanical connection, electrical connection or communication connection; either directly or indirectly through intervening media, either internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The technical solution of the present invention will be described in detail with specific examples. The following several specific embodiments may be combined with each other, and details of the same or similar concepts or processes may not be repeated in some embodiments.
As described in the background of the present application, in the annealing furnace of the prior art, nitrogen gas is generally introduced into the annealing furnace for protection during annealing, so as to prevent the surface of the workpiece from being oxidized during annealing.
The inventor of the application finds that the resistance wire for the heater can form a nitrogenization color on the surface of the resistance wire during annealing, so that the appearance quality of the resistance wire is influenced; in addition, in the prior art, the furnace temperature uniformity of the annealing furnace is poor, and when the resistance wire is annealed, the annealing performances of the resistance wire at different positions in the annealing furnace are different, so that the annealing quality of the resistance wire is influenced.
In order to solve the above problems, the inventor of the present application proposes a technical solution of the present application, and specific embodiments are as follows:
fig. 1 is a schematic view of a vacuum annealing furnace in an embodiment of the present invention, fig. 2 is a schematic view of a protection tube in an embodiment of the present invention, fig. 3 is a schematic view of a furnace body in an embodiment of the present invention, fig. 4 is an enlarged view of a place a in fig. 3 in an embodiment of the present invention, fig. 5 is a schematic view of a furnace door in an embodiment of the present invention, fig. 6 is a schematic view of a first support column in an embodiment of the present invention, and fig. 7 is a schematic view of a side plate in an embodiment of the present invention. As shown in fig. 1 to 7, the vacuum annealing furnace of the present embodiment includes: the furnace comprises a base 1, a furnace body 2, a heating rod 3, a first thermocouple and a controller.
The furnace body 2 is cylindrical, a hearth is arranged in the furnace body 2, and the furnace body 2 is horizontally arranged on the base 1, namely, the central axis of the cylindrical furnace body 2 is horizontally arranged.
One end (rear end) of the furnace body 2 is provided with a side plate 21, the other end (front end) of the furnace body 2 is provided with a furnace door 22, one side of the furnace door 22 is hinged on the furnace body 2, when the furnace door 22 is closed, the other side of the furnace door 22 is locked by a lock hook arranged on the furnace body 2, and when the furnace door 22 is closed, the hearth of the furnace body 2 is sealed. The side wall of the furnace body 2 is internally provided with a fluid channel, and the fluid channel of the furnace body 2 is used for circulating cooling water to pass through so as to reduce the temperature of the furnace wall and prevent the temperature of the side wall of the furnace body 2 from being overhigh.
The heating rods 3 are provided with a plurality of heating rods, one ends (cold ends) of the plurality of heating rods 3 are fixedly arranged on the side plates 21 of the furnace body 2, and the plurality of heating rods 3 are arranged on the outer edges of the circumferences of the side plates 21 in a circular shape and at intervals. The heating ends of the heating rods 3 extend into the hearth of the furnace body 2, namely the heating rods 3 are arranged around the inner wall of the furnace body 2 at intervals, the heating rods 3 are electrically connected with an external power supply, and workpieces (heating wires) placed in the hearth of the furnace body 2 are heated when the power is on, so that the hearth has better temperature uniformity.
The circumferential side wall of the furnace body 2 is provided with a connecting joint 23, and the connecting joint 23 is communicated with the hearth of the furnace body 2. The connection joint 23 is connected with an external vacuum pump (not shown in the figure) through a connection pipeline, and vacuum negative pressure is generated in the hearth of the furnace body 2 through the vacuum pump so as to prevent the workpiece in the hearth from being oxidized at high temperature and annealing temperature reduction and keep the bright outer surface of the workpiece after annealing.
The first thermocouples (not shown in the figure) can be provided with a plurality of first thermocouples, the side plate 21 is provided with a flange hole, the plurality of first thermocouples are fixedly arranged in the flange hole of the side plate 21 in a penetrating way, and the temperature measuring ends of the first thermocouples extend into the hearth of the furnace body 2 to detect the temperature in the hearth.
The first thermocouple and the heating rods are respectively electrically connected with the controller, the first thermocouple sends detected temperature signals to the controller, and the controller receives the temperature signals of the first thermocouple and controls the on-off of a power supply of the heating rods according to a preset program.
Through the above, it is not difficult to find that the vacuum annealing furnace of the embodiment, through setting up base, furnace body, first thermocouple, controller and many heating rods, the horizontally setting of furnace body is on the base, and many heating rods set up on the curb plate of furnace body, stretch into the furnace of furnace body in, and many spaced laying of heating rod are in the inner wall department of furnace body, are equipped with the attach fitting with vacuum pump connection on the circumference lateral wall of furnace body, and first thermocouple sets up on the curb plate of furnace body. The vacuum annealing furnace of the embodiment is controlled by the controller, vacuum negative pressure is formed in the hearth of the furnace body through the vacuum pump, and a workpiece can keep a bright outer surface after being annealed in the hearth; the heating rods are arranged on the inner side wall of the hearth in a surrounding mode, so that the temperature in the hearth is more uniform, and the uniformity of annealing performance of workpieces is guaranteed.
Optionally, as shown in fig. 1 and fig. 2, the vacuum annealing furnace in this embodiment further includes: the tube 41 is protected.
The number of the protection tubes 41 is plural, and the number of the protection tubes 41 corresponds to the number of the heating rods 3. The near end of the protection tube 41 is arranged through and fixed on the side plate 21 of the furnace body 2, and is positioned on the circumference outer edge of the side plate 21, the near end of the protection tube 41 extends out of the furnace body 2, and the other end (far end) of the protection tube 41 extends into the hearth of the furnace body 2.
The heating rods 3 are respectively arranged in the protection tubes 41 in a penetrating way, and the annealed workpiece is prevented from colliding with the heating rods 3 when entering and exiting the hearth of the furnace body 2 to cause the damage of the heating rods 3 through the protection of the protection tubes 41.
Further, as shown in fig. 3, in the vacuum annealing furnace of the present embodiment, the furnace body 2 is provided with a fixing bracket 24 in the hearth.
The fixed bracket 24 is arranged at one end of the furnace body 2 close to the furnace door 22, and a plurality of fixed holes are arranged on the fixed bracket 24.
The proximal end of the protection tube 41 is arranged on the side plate 21 of the furnace body 2 in a penetrating way, and the distal end of the protection tube 41 is arranged in the fixing hole of the fixing bracket 24 in a penetrating way, so that the protection tube 41 is more stable, and the heating rod 3 is better protected.
Further, in the vacuum annealing furnace in this embodiment, the end portion of the proximal end of the protection tube 41 is provided with the fixing flange 411, the heating rod 3 is inserted into the protection tube 41, and the mounting flange 31 at the cold end of the heating rod 3 is connected with the fixing flange 411 of the protection tube 41, so that the heating rod 3 can be conveniently mounted and fixed.
Further, the vacuum annealing furnace in this embodiment further includes: a protective cover 42.
A plurality of threaded holes 412 are provided on the circumferential side wall of the fixing flange 411 at the proximal end of the protective tube 41.
The end side wall of the protection cover 42 is provided with a through hole, the protection cover 42 is sleeved on the fixing flange 411 of the protection tube 41, the connecting bolt penetrates through the through hole of the protection cover 42 and is screwed and meshed in the threaded hole 412 of the fixing flange 411, so that the protection cover 42 is fixed on the fixing flange 411 of the protection tube 41, the protection cover 42 completely shields the cold end of the heating rod 3, and the safe use of the heating rod is ensured. Of course, the end face of the protective cover 42 is provided with a through hole for the power supply line to pass through, so that the heating rod is conveniently connected with an external power supply.
Optionally, the vacuum annealing furnace in this embodiment further includes: a second thermocouple.
The second thermocouples (not shown) are provided in plural numbers, and the number of the second thermocouples corresponds to the number of the heating rods 33. The second thermocouples are respectively arranged in the heating rods 3 and are respectively electrically connected with the controller. The second thermocouple detects the temperature of heating rod 3 when the circular telegram is heated to send the temperature signal who detects to the controller, the temperature signal that the second thermocouple takes place is accepted to the controller, and according to presetting the switching-on of the circular telegram of procedure control each heating rod, with better regulation furnace temperature, make furnace have better temperature homogeneity.
Alternatively, as shown in fig. 3 and 4, in the vacuum annealing furnace of the present embodiment, the furnace body 2 is provided with two guide rails 25 at the bottom of the hearth.
The two guide rails 25 are arranged in parallel in the hearth, and the top surface of the guide rail 25 on one side is V-shaped.
The workpiece (heating wire) is placed on the square frame body 5 during annealing, the square frame body 5 is placed on the guide rail 25 of the furnace body 2, and the bottom of the square frame body 5 is provided with a V-shaped groove 51. When the square frame body 5 is placed, the V-shaped groove 51 of the square frame body is embedded in the V-shaped top surface of the guide rail 25, so that the square frame body 5 is kept stable in a hearth of a furnace body.
Further, in the vacuum annealing furnace of the present embodiment, a first circular baffle 26 and a second circular baffle 27 are provided in the furnace chamber of the furnace body 2.
The inner side surfaces of the first circular baffle 26 and the second circular baffle 27 are smooth mirror surfaces.
The ends of the first circular baffle 26 and the second circular baffle 27 are fixedly arranged on the side plate 21 of the furnace body 2, the first circular baffle 26 and the second circular baffle 27 are arranged between the heating rod 3 (the protection pipe 41) and the inner wall of the furnace body 2, the second circular baffle 27 and the first circular baffle 26 are arranged at intervals.
In the embodiment, the first circular baffle and the second circular baffle form a heat-insulating isolation layer between the side wall of the furnace body and the heating rod, so that heat loss is reduced; meanwhile, the smooth inner side surfaces of the first circular baffle and the second circular baffle reflect heat of the heating rod to the hearth, so that the temperature of the circular side wall of the furnace body is reduced.
Further, as shown in fig. 5 and 6, in the vacuum annealing furnace of the present embodiment, a third baffle 221 and a fourth baffle 222 are provided on the inner side of the furnace door 22.
The inner side surfaces of the third baffle 221 and the fourth baffle 222 are smooth mirror surfaces.
A plurality of first support posts 223 having a stepped shape are provided on the inner side surface of the door 22, and a first pin shaft hole 224 is provided at an end of the first support posts 223.
The third shutter 221 and the fourth shutter 222 are inserted into a plurality of first pillars 223 of the oven door 22, and the first pin shaft passes through the first pin shaft hole 224, so that the third shutter 221 is fixed, and the third shutter 221 is prevented from slipping out. And the first support column 223 is sleeved with a first pad column 225 between the third baffle 221 and the fourth baffle 222, and the third baffle 221, the fourth baffle 222 and the inner side surface of the oven door 22 are arranged at intervals through the step of the first support column 223 and the first pad column 225.
The third baffle 221 and the fourth baffle 222 form a heat insulation layer between the furnace door and the hearth of the furnace body, so as to reduce the heat loss of the hearth.
Further, as shown in fig. 7, in the vacuum annealing furnace of the present embodiment, a fifth baffle 211 and a sixth baffle 212 are provided on the side plate 21 of the furnace body 2.
The inner side surfaces of the fifth baffle 211 and the sixth baffle 212 are smooth mirror surfaces.
A plurality of stepped second support columns 213 are provided on the inner surface of the side plate 21, and second pin shaft holes are provided at the ends of the second support columns 213.
The fifth baffle 211 and the sixth baffle 212 are disposed on the plurality of second support posts 213 of the side plate 21, and fixed by the second pins, and the second support posts 213 are sleeved with second pad posts between the fifth baffle 211 and the sixth baffle 212. The second support column 213 and the second pad column have the same structure as the first support column 223 and the second pad column 225, respectively, so that the fifth baffle 211, the sixth baffle 212 and the inner side surface of the side plate 21 are spaced apart from each other.
The fifth baffle 211 and the sixth baffle 212 form a heat-insulating isolation layer between the furnace side plate and the hearth of the furnace body, so that the heat loss of the hearth is reduced.
In the present application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first feature or the second feature or indirectly contacting the first feature or the second feature through an intermediate.
Also, a first feature "on," "above," and "over" a second feature may mean that the first feature is directly above or obliquely above the second feature, or that only the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lower level than the second feature.
In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example" or "some examples," or the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. A vacuum annealing furnace, comprising: the device comprises a base, a furnace body, a first thermocouple, a controller and a plurality of heating rods;
the furnace body is cylindrical and is provided with a hearth, and the furnace body is horizontally arranged on the base;
one end of the furnace body is provided with a side plate, the other end of the furnace body is provided with a furnace door, the furnace door seals the furnace body when closed, and a fluid channel is arranged in the circumferential side wall of the furnace body and is used for cooling water to pass through;
the heating rods are arranged on the side plate, the heating rods are arranged on the circumferential outer edge of the side plate at intervals, and the heating ends of the heating rods extend into the hearth;
a connecting joint is arranged on the circumferential side wall of the furnace body, and the connecting joint is communicated with the hearth and is used for being connected with an external vacuum pump;
the first thermocouple is arranged on the side plate, extends into the hearth and is used for detecting the temperature of the hearth;
the first thermocouple and the heating rods are respectively electrically connected with the controller.
2. The vacuum annealing furnace according to claim 1, further comprising: a plurality of protection tubes;
the protection pipes penetrate through the side plates and extend into the hearth;
the heating rods are respectively arranged in the protection pipes in a penetrating mode.
3. The vacuum annealing furnace according to claim 2, characterized in that the furnace body is provided with a fixed bracket in the hearth, the fixed bracket being provided with a fixed hole;
the far end of the protection tube penetrates through the fixing hole.
4. The vacuum annealing furnace according to claim 2, wherein the proximal end of the protective tube is provided with a fixing flange for connection with a mounting flange of the heating rod.
5. The vacuum annealing furnace according to claim 4, further comprising: a protective cover;
the circumferential side wall of the fixed flange is provided with a plurality of threaded holes;
the protective cover is arranged on the fixed flange and connected with the fixed flange through a connecting bolt, and the protective cover is used for shielding the heating rod.
6. The vacuum annealing furnace according to claim 1, further comprising: a plurality of second thermocouples;
many second thermocouples set up respectively in many heating rods, and respectively with controller electric connection, the second thermocouple is used for detecting the temperature of heating rod.
7. The vacuum annealing furnace according to claim 1, wherein the furnace body is provided with two guide rails at the bottom of the hearth;
the two guide rails are arranged in parallel, and one side of the guide rails is V-shaped on the top surface and used for being embedded into a V-shaped groove of the square frame body.
8. The vacuum annealing furnace according to any one of claims 1 to 7, wherein a first circular baffle and a second circular baffle are provided in the hearth;
the inner side surfaces of the first circular baffle and the second circular baffle are mirror surfaces;
the first circular baffle and the second circular baffle are arranged on the side plate and located between the furnace body and the heating rod, and the furnace body, the second circular baffle and the first circular baffle are arranged at intervals.
9. The vacuum annealing furnace according to any one of claims 1 to 7, wherein a third baffle and a fourth baffle are provided on the furnace door;
the inner side surfaces of the third baffle and the fourth baffle are mirror surfaces;
a plurality of step-shaped first supports are arranged on the inner side surface of the furnace door, and first pin shaft holes are formed in the end parts of the first supports;
the third baffle with the fourth baffle is worn to establish on a plurality of first pillars, through the round pin axle fastening, just first pillar is in the third baffle with the cover is equipped with first pad post between the fourth baffle, makes the third baffle the fourth baffle with the furnace gate interval sets up.
10. The vacuum annealing furnace according to any one of claims 1 to 7, wherein a fifth baffle and a sixth baffle are provided on the side plate;
the inner side surfaces of the fifth baffle and the sixth baffle are mirror surfaces;
a plurality of step-shaped second supporting columns are arranged on the inner side surfaces of the side plates, and second pin shaft holes are formed in the end parts of the second supporting columns;
the fifth baffle with the sixth baffle is worn to establish on a plurality of second pillars, through the round pin hub fixation, just the second pillar is in the fifth baffle with the cover is equipped with the second pad post between the sixth baffle, makes the fifth baffle the sixth baffle with the curb plate interval sets up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120577863.0U CN215050534U (en) | 2021-03-22 | 2021-03-22 | Vacuum annealing furnace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120577863.0U CN215050534U (en) | 2021-03-22 | 2021-03-22 | Vacuum annealing furnace |
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| CN215050534U true CN215050534U (en) | 2021-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120577863.0U Active CN215050534U (en) | 2021-03-22 | 2021-03-22 | Vacuum annealing furnace |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116970881A (en) * | 2023-09-22 | 2023-10-31 | 连云港天舒热处理科技有限公司 | Heat treatment equipment for nonferrous metal processing |
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2021
- 2021-03-22 CN CN202120577863.0U patent/CN215050534U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116970881A (en) * | 2023-09-22 | 2023-10-31 | 连云港天舒热处理科技有限公司 | Heat treatment equipment for nonferrous metal processing |
| CN116970881B (en) * | 2023-09-22 | 2023-12-19 | 连云港天舒热处理科技有限公司 | Heat treatment equipment for nonferrous metal processing |
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