CN218089699U - Constant-tension heat treatment furnace - Google Patents
Constant-tension heat treatment furnace Download PDFInfo
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- CN218089699U CN218089699U CN202222036878.3U CN202222036878U CN218089699U CN 218089699 U CN218089699 U CN 218089699U CN 202222036878 U CN202222036878 U CN 202222036878U CN 218089699 U CN218089699 U CN 218089699U
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Abstract
The utility model relates to the technical field of heat treatment, in particular to a constant-tension heat treatment furnace, which comprises a workbench; the heating furnace body is arranged on the workbench, and a feeding hole and a discharging hole are respectively formed in two short sides of the heating furnace body; the unwinding mechanism is arranged in the workbench and is positioned below the feeding hole; the tension monitoring mechanism is arranged above the unwinding mechanism; the speed control mechanism is arranged on the workbench and positioned on one side of the discharge hole; the winding mechanism is arranged on the workbench and is positioned on one side of the speed control mechanism, which is far away from the heating furnace body; the driving mechanism comprises a driving motor and a winding motor, the driving motor is arranged on one side of the speed control mechanism, and the winding motor is arranged on one side of the winding mechanism; the utility model discloses can provide stable tension output and guarantee that the strip keeps invariable tension in whole heat treatment process, the strip uniformity of preparation is better, improves the qualification rate of product, wholly locates on the workstation, and the device is small, practices thrift the space.
Description
Technical Field
The utility model relates to the technical field of heat treatment, in particular to a constant-tension heat treatment furnace.
Background
In recent years, with the increase of power electronic equipment, especially the application of a large number of rectification, frequency conversion and switching power supply equipment, the electromagnetic pollution in the line is increasingly serious, and the direct current component in the power grid is gradually increased. In order to ensure that the mutual inductor can still normally work under the environment containing large direct current components, the iron core of the mutual inductor must be ensured to be unsaturated when alternating current and direct current are superposed and magnetized. For this reason, as a current transformer against a direct current component, an iron core material should have a high saturation magnetic induction, and also should have characteristics of high linearity, low value permeability, and the like.
At present, the heat treatment modes for the high-linearity low-value-permeability strip or the magnetic core mainly include magnetic field heat treatment, tension heat treatment and the like, wherein the tension heat treatment is to unwind a coiled strip and then unwind the coiled strip into a strip to be sent into a heat treatment furnace for continuous heat treatment, the tension to which the strip is subjected in the process has a decisive influence on the performance of the strip, and the larger the variation range of the tension is, the poorer the overall performance and the lower the qualification rate of the obtained strip are, so that the tension of the strip needs to be accurately controlled in the heat treatment process of the coiled strip in the heat treatment furnace, a certain variation range exists in the material quality, thickness and width of the strip generally, and the tension required by the strip in the heat treatment process is greatly different, so that a strip conveying device is required to provide accurate and stable strip tension, but the strip conveying device of the current heat treatment furnace cannot provide accurate and stable strip tension in the larger tension variation range.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a constant tension heat treatment furnace, which solves the technical problems;
a constant tension heat treatment furnace comprises a furnace body,
a work table;
the heating furnace body is arranged on the workbench, and two short sides of the heating furnace body are respectively provided with a feeding hole and a discharging hole;
the unwinding mechanism is arranged in the workbench and is positioned below the feeding hole, the unwinding mechanism comprises an unwinding disc and a magnetic powder brake, the magnetic powder brake is arranged on one side of the unwinding disc, is connected with a controller and receives an unwinding control signal output by the controller;
the tension monitoring mechanism is arranged above the unwinding mechanism, comprises a first guide roller and a second guide roller which are vertically arranged at intervals, and further comprises a detection feedback device arranged between the first guide roller and the second guide roller, and the detection feedback device is connected with the controller and outputs a tension monitoring signal to the controller;
the speed control mechanism is arranged on the workbench and positioned on one side of the discharge hole;
the winding mechanism is arranged on the workbench and is positioned on one side of the speed control mechanism away from the heating furnace body;
the driving mechanism comprises a driving motor and a winding motor, the driving motor is arranged on one side of the speed control mechanism, the winding motor is arranged on one side of the winding mechanism, and the driving motor is connected with the winding motor and is used for receiving the motor driving signal output by the controller.
Preferably, the method also comprises the following steps,
the wire breakage detection mechanism is arranged below the winding mechanism and connected with the controller and outputs a wire breakage detection signal to the controller.
Preferably, the heating furnace body comprises a furnace body,
locate on the workstation lower cover and with a long avris of lower cover can turn an upper cover of connection, in the upper cover with be equipped with at least one heating chamber in the cavity that the lower cover lock formed, in at least one heating intracavity is equipped with the quartz capsule, be equipped with solenoid on the quartz capsule.
Preferably, telescopic support rods are arranged on two short side sides of the heating furnace body, two ends of each support rod are respectively fixed on the upper cover and the lower cover, and a pull rod is arranged on one side, capable of being opened and closed, of the upper cover and the lower cover.
Preferably, the speed control mechanism comprises a base arranged on the workbench, a first support frame and a second support frame arranged opposite to the first support frame are arranged on the base, a first roller and a second roller are arranged between the first support frame and the second support frame side by side from top to bottom, and two ends of the first roller and the second roller are respectively arranged on the first support frame and the second support frame.
Preferably, the speed control mechanism further comprises a cooling device, the cooling device is arranged on the first support frame and the second support frame and close to one side of the heating furnace body, and an air outlet of the cooling device faces to the outer strips.
Preferably, a roller separating handle is further arranged on the first support frame or the second support frame.
Preferably, winding mechanism includes a rolling dish and a plurality of pulley, the pulley is located the below of rolling dish, the pulley includes leading pulley and movable pulley at least, leading pulley is close to the setting of rolling dish, the movable pulley is kept away from the setting of rolling dish.
Preferably, the winding mechanism further comprises a winding mechanism,
the elastic pressing wheel is arranged on the winding disc;
and the position sensor is arranged on the side surface of the movable pulley and is connected with the controller.
The utility model has the advantages that: since the technical scheme is used, the utility model discloses can provide stable tension output and guarantee that the strip keeps invariable tension in whole heat treatment process, the strip uniformity of preparation is better, improves the qualification rate of product greatly to wholly locate on the workstation, the device is small, practices thrift the space.
Drawings
FIG. 1 is a schematic structural view of a constant tension heat treatment furnace according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a heating furnace body according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an unwinding mechanism in an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a speed control mechanism in an embodiment of the present invention;
fig. 5 is a schematic structural view of a winding mechanism in an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a tension monitoring mechanism according to an embodiment of the present invention.
In the drawings: 1. a work table; 2. heating the furnace body; 21. a lower cover; 22. an upper cover; 23. a heating cavity; 24. a quartz tube; 25. a stay bar; 26. a pull rod; 27. a feed inlet; 28. a discharge port; 3. an unwinding mechanism; 31. releasing the reel; 32. a magnetic powder brake; 4. a speed control mechanism; 41. a base; 42. a first support frame; 43. a second support frame; 44. a first drum; 45. a second drum; 46. a cooling device; 47. a roller release handle; 5. a winding mechanism; 51. a winding disc; 52. a pulley; 521. a guide pulley; 522. a movable pulley; 53. an elastic pinch roller; 54. a position sensor; 61. a drive motor; 62. a winding motor; 7 a tension monitoring mechanism; 71. a first guide roller; 72. a second guide roller; 73. detecting a feedback device; 8. a wire breakage detection mechanism; 9. and a controller.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
The present invention will be further described with reference to the accompanying drawings and specific embodiments, which are not intended to limit the present invention.
A constant tension heat treatment furnace, as shown in FIGS. 1 to 5, comprises,
a work table 1;
the heating furnace body 2 is arranged on the workbench 1, and two short sides of the heating furnace body 2 are respectively provided with a feeding hole 27 and a discharging hole 28;
the unwinding mechanism 3 is arranged in the workbench 1 and positioned below the feeding hole 27, and comprises a unwinding disc 31 and a magnetic powder brake 32, wherein the magnetic powder brake 32 is arranged on one side of the unwinding disc 31, is connected with the controller 9, and receives an unwinding control signal; specifically, tension is provided to the strip material by a magnetic particle brake 32;
specifically, the unwinding disc 31 is used for unwinding a strip to be heat-treated, the magnetic powder brake 32 is fixedly connected with a rotating shaft of the unwinding disc 31, and during unwinding, the magnetic powder brake 32 can provide constant tension output and is applied to the strip unwound by the unwinding disc 31 through the rotating shaft;
the speed control mechanism 4 is arranged on the workbench 1 and positioned at one side of the discharge hole 28;
the winding mechanism 5 is arranged on the workbench 1 and is positioned on one side of the speed control mechanism 4 away from the heating furnace body 2;
the driving mechanism comprises a driving motor 61 and a winding motor 62, the driving motor 61 is arranged on one side of the speed control mechanism 4, the winding motor 62 is arranged on one side of the winding mechanism 5, and the driving motor 61 and the winding motor 62 are connected with the controller 9 and receive the motor driving signal output by the controller 9.
Specifically, the feed inlet 27 and the discharge outlet 28 transversely penetrate through the entire heating furnace body 2, in this embodiment, the feed inlet 27 is disposed on the left side of the heating furnace body 2, and the discharge outlet 28 is disposed on the right side of the discharge outlet 28.
In a preferred embodiment, as shown in fig. 6, further comprising,
the tension monitoring mechanism 7 is arranged above the unwinding mechanism 3, the tension monitoring mechanism 7 comprises a first guide roller 71 and a second guide roller 72 which are vertically arranged at intervals, and further comprises a detection feedback device 73 arranged between the first guide roller 71 and the second guide roller 72, the detection feedback device 73 is connected with the controller 9, and outputs a tension monitoring signal to the controller 9
The broken wire detection mechanism 8 is arranged below the winding mechanism 5, the broken wire detection mechanism 8 is connected with the controller 9, and the broken wire detection mechanism 8 is connected with the controller 9 and outputs a broken wire detection signal to the controller 9.
Specifically, the first guide roller 71 is disposed on a side close to the unwinding mechanism 3, and the second guide roller 72 is disposed on a side close to the heating furnace body 2; further, the strip is unreeled by unreeling the dish 31, from up passing through first guide roll 71 and second guide roll 72 in proper order down, second guide roll 72 can be horizontal by vertical adjustment with the strip direction of motion, the strip passes through feed inlet 27 and gets into heating furnace body 2 inside afterwards, and finally wear out from discharge gate 28, wherein, the level of second guide roll 72 upper end and the level of the feed inlet 27 on the heating furnace body 2 looks adaptation, guarantee that the strip can not take place the touching with heating furnace body 2 in the motion process, detect feedback device 73 and set up between first guide roll 71 and second guide roll 72, can carry out real-time detection and make timely feedback to the tension that passes through the strip.
In a preferred embodiment, further referring to fig. 2, the furnace body 2 comprises,
a lower cover 21 arranged on the workbench 1 and an upper cover 22 connected with a long side of the lower cover 21 in a turning way, at least one heating cavity 23 is arranged in a cavity formed by buckling the upper cover 22 and the lower cover 21, a quartz tube 24 is arranged in the at least one heating cavity 23, and an electromagnetic coil is arranged on the quartz tube 24.
Preferably, 3 heating cavities 23 are arranged in the heating furnace body 2, wherein a quartz tube 24 is arranged in the heating cavity 23 close to one side of the discharge hole 28, an electromagnetic coil is arranged on the quartz tube 24, and the strip material can have better soft magnetic characteristics by introducing a magnetic field.
In a preferred embodiment, the two short sides of the heating furnace body 2 are provided with retractable support rods 25, two ends of each support rod 25 are respectively fixed on the upper cover 22 and the lower cover 21, and one side of the upper cover 22 and the lower cover 21 which can be opened and closed is provided with a pull rod 26.
Preferably, the stay bar 25 is a telescopic stay bar 25, when the upper cover 22 is opened, the stay bar 25 extends upwards and props the upper cover 22, when the upper cover 22 is closed, the stay bar 25 contracts to an initial state, and the joint of the upper cover 22 and the lower cover 21 can be connected through a movable connection assembly, in the embodiment, the movable connection assembly can be a plurality of groups of high-temperature-resistant turnover hinges, and the pull rod 26 is arranged on one side, which can be opened and closed, of the upper cover 22, so that the opening and closing operations of the upper cover 22 are facilitated.
In a preferred embodiment, as shown in fig. 4, the speed control mechanism 4 includes a base 41 disposed on the worktable 1, a first supporting frame 42 and a second supporting frame 43 disposed opposite to the first supporting frame 42 are disposed on the base 41, a first roller 44 and a second roller 45 disposed side by side up and down are disposed between the first supporting frame 42 and the second supporting frame 43, and two ends of the first roller 44 and the second roller 45 are disposed on the first supporting frame 42 and the second supporting frame 43, respectively.
In a preferred embodiment, the speed control mechanism 4 further comprises a cooling device 46, the cooling device 46 is disposed on one side of the first support frame 42 and the second support frame 43 close to the heating furnace body 2, and an air outlet of the cooling device 46 faces the outer strip.
In this embodiment, the cooling device 46 is disposed on the left side of the second roller 45, and the air outlet is disposed downward, so that cooling of the strip can be accelerated, and subsequent coil material is convenient.
In a preferred embodiment, a roller release handle 47 is further provided on the first support bracket 42 or the second support bracket 43; preferably, the second roller 45 can be separated from the first roller 44 by pressing the roller separating handle 47 to the horizontal position during feeding, so that the strip can be conveniently threaded.
In a preferred embodiment, as shown in fig. 5, the winding mechanism 5 includes a winding disc 51 and a plurality of pulleys 52, the pulleys 52 are disposed below the winding disc 51, the pulleys 52 include at least a guide pulley 521 and a movable pulley 522, the guide pulley 521 is disposed near the winding disc 51, and the movable pulley 522 is disposed far from the winding disc 51;
in this embodiment, the pulley 52 specifically includes a first guide pulley, a second guide pulley and a movable pulley 522, the first guide pulley and the second guide pulley are disposed close to the winding disc 51, and the movable pulley 522 is disposed far from the winding disc 51;
specifically, the first guide pulley is disposed on one side close to the speed control mechanism 4, the second guide pulley is disposed on one side far away from the speed control mechanism 4, and the movable pulley 522 is disposed below the first guide pulley and the second guide pulley, so that when the speed of the speed control mechanism 4 changes, the movable pulley 522 can play a role in buffering, the winding mechanism 5 has sufficient time to adjust the speed, and the whole heat treatment process can be performed more orderly.
Specifically, the driving motor 61 is disposed at one side of the first roller 44 and the second roller 45, and is connected to one side of the first roller 44 and the second roller 45 through a gear box, and when the driving motor 61 is started, the first roller 44 and the second roller 45 rotate relatively in opposite rotation directions at the same speed; the winding motor 62 is arranged on one side of the winding disc 51 and can control the rotation speed of the winding disc 51 to be matched with the rotation speed of the first roller 44 and the second roller 45;
further, the rolling surfaces of the first rollers 44 and the second rollers 45 are mutually attached, the horizontal height of the attachment position of the two rollers is close to the horizontal height of the discharge hole 28 of the heating furnace body 2, and after the strip passes through the discharge hole 28 of the heating furnace body 2, the strip passes through the attachment position of the rolling surfaces of the first rollers 44 and the second rollers 45, then passes through the first guide pulley, the movable pulley 522 and the second guide pulley in sequence, and is finally wound by the winding disc 51.
Specifically, the controller 9 is respectively connected with the magnetic powder brake 32, the detection feedback device 73, the driving motor 61 and the winding motor 62; the controller 9 controls the magnetic powder brake 32 to provide tension output during discharging, and the tension output is monitored in real time by the detection feedback device 73 and fed back to the controller 9, so that the tension of the strip material in the whole heat treatment process is ensured to be constant; the controller 9 is connected with the driving motor 61 and the winding motor 62, and the conveying speed can be set on the controller 9 according to requirements, so that the preparation requirements of the strips with different specifications and different performance requirements are met.
In a preferred embodiment, the winding mechanism 5 further comprises,
the elastic pressing wheel 53, the elastic pressing wheel 53 locates on the rolling disc 51;
and a position sensor 54 provided on a side surface of the movable pulley 522, the position sensor 54 being connected to the controller 9.
Specifically, the position sensor 54 is arranged on the side surface of the movable pulley 522, the motor speed of the winding mechanism 5 is adjusted through the position change of the movable pulley 522, so that the speed of the material receiving mechanism is matched with that of the speed control mechanism 4, the broken line detection mechanism 8 is arranged at the lower limit of the movable pulley 522, the broken line detection mechanism 8 is adopted as the broken line sensor in the embodiment, after the broken line sensor detects that a broken belt is broken, information can be fed back to the controller 9 in time and an alarm is given out, the elastic pressing wheel 53 is arranged on the winding disc 51, the condition that the belt which is wound is loosened can be prevented after the belt is broken, and the continuity of the winding process is ensured.
In conclusion, the magnetic powder brake 32 and the tension monitoring mechanism 7 are arranged, so that stable tension output can be provided, the strip can be ensured to keep constant tension in the whole heat treatment process, the consistency of the prepared strip is better, and the qualification rate of products is greatly improved;
the heating furnace body 2 adopts a flip design, so that the penetration of a strip and the cleaning of the interior of the furnace body are facilitated; the heating cavities 23 are arranged in the furnace body, different parameters can be set according to the requirements of the strip heat treatment process, the length of the furnace body is increased, higher rotating speed can be set, and the overall preparation efficiency is improved on the premise of ensuring sufficient heat treatment; the magnetic field is additionally arranged in the furnace body, so that the soft magnetic performance of the strip can be further improved;
a cooling device 46 is arranged on one side of the discharge hole 28 of the heating furnace body 2 and used for rapidly cooling the strip materials so as to facilitate subsequent coil materials, and a broken wire detection mechanism 8 is arranged so as to ensure the continuity of production; the unwinding mechanism 3 and part of the winding mechanism 5 are arranged in the workbench 1 below the side of the furnace body, so that the device is miniaturized and the space is saved.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope and embodiments of the present invention, and it should be appreciated by those skilled in the art that various equivalent and obvious modifications can be made in the present invention and the description and drawings, and all such modifications are intended to be included within the scope and spirit of the present invention.
Claims (9)
1. A constant tension heat treatment furnace is characterized by comprising,
a work table;
the heating furnace body is arranged on the workbench, and two short sides of the heating furnace body are respectively provided with a feeding hole and a discharging hole;
the unwinding mechanism is arranged in the workbench and is positioned below the feeding hole, the unwinding mechanism comprises an unwinding disc and a magnetic powder brake, the magnetic powder brake is arranged on one side of the unwinding disc, is connected with a controller and receives an unwinding control signal output by the controller;
the tension monitoring mechanism is arranged above the unwinding mechanism, comprises a first guide roller and a second guide roller which are vertically arranged at intervals, and further comprises a detection feedback device arranged between the first guide roller and the second guide roller, and the detection feedback device is connected with the controller and outputs a tension monitoring signal to the controller;
the speed control mechanism is arranged on the workbench and positioned on one side of the discharge hole;
the winding mechanism is arranged on the workbench and is positioned on one side of the speed control mechanism away from the heating furnace body;
the driving mechanism comprises a driving motor and a winding motor, the driving motor is arranged on one side of the speed control mechanism, the winding motor is arranged on one side of the winding mechanism, and the driving motor and the winding motor are connected with the controller and receive the motor driving signal output by the controller.
2. The constant tension heat treatment furnace as claimed in claim 1, further comprising,
the wire breakage detection mechanism is arranged below the winding mechanism and connected with the controller and outputs a wire breakage detection signal to the controller.
3. The constant tension heat treatment furnace according to claim 1, wherein the heating furnace body includes,
locate on the workstation lower cover and with a long avris of lower cover can turn an upper cover of connection, in the upper cover with be equipped with at least one heating chamber in the cavity that the lower cover lock formed, in at least one heating intracavity is equipped with the quartz capsule, be equipped with solenoid on the quartz capsule.
4. The constant tension heat treatment furnace according to claim 3, wherein the two short sides of the heating furnace body are provided with retractable support rods, the two ends of each support rod are respectively fixed on the upper cover and the lower cover, and one side of the upper cover and one side of the lower cover, which can be opened and closed, are provided with a pull rod.
5. The constant-tension heat treatment furnace according to claim 1, wherein the speed control mechanism comprises a base arranged on the worktable, the base is provided with a first support frame and a second support frame arranged opposite to the first support frame, a first roller and a second roller are arranged between the first support frame and the second support frame in parallel, and two ends of the first roller and the second roller are respectively arranged on the first support frame and the second support frame.
6. The constant tension heat treatment furnace according to claim 5, wherein the speed control mechanism further comprises a cooling device, the cooling device is disposed on one side of the first support frame and the second support frame close to the heating furnace body, and an air outlet of the cooling device faces the outer strip.
7. The constant tension heat treatment furnace of claim 5, wherein a roller separating handle is further provided on the first support frame or the second support frame.
8. The constant-tension heat treatment furnace according to claim 1, wherein the winding mechanism comprises a winding disc and a plurality of pulleys, the pulleys are arranged below the winding disc and comprise at least a guide pulley and a movable pulley, the guide pulley is arranged close to the winding disc, and the movable pulley is arranged far away from the winding disc.
9. The constant tension heat treatment furnace as claimed in claim 8, wherein the take-up mechanism further comprises,
the elastic pressing wheel is arranged on the winding disc;
and the position sensor is arranged on the side surface of the movable pulley and is connected with the controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222036878.3U CN218089699U (en) | 2022-08-02 | 2022-08-02 | Constant-tension heat treatment furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222036878.3U CN218089699U (en) | 2022-08-02 | 2022-08-02 | Constant-tension heat treatment furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218089699U true CN218089699U (en) | 2022-12-20 |
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ID=84486495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222036878.3U Active CN218089699U (en) | 2022-08-02 | 2022-08-02 | Constant-tension heat treatment furnace |
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| Country | Link |
|---|---|
| CN (1) | CN218089699U (en) |
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2022
- 2022-08-02 CN CN202222036878.3U patent/CN218089699U/en active Active
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