CN219869103U - Novel resistance furnace for sintering grinding tool - Google Patents
Novel resistance furnace for sintering grinding tool Download PDFInfo
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- CN219869103U CN219869103U CN202320691363.9U CN202320691363U CN219869103U CN 219869103 U CN219869103 U CN 219869103U CN 202320691363 U CN202320691363 U CN 202320691363U CN 219869103 U CN219869103 U CN 219869103U
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- 238000005245 sintering Methods 0.000 title claims abstract description 18
- 238000000227 grinding Methods 0.000 title claims abstract description 10
- 238000001035 drying Methods 0.000 claims abstract description 16
- 230000005540 biological transmission Effects 0.000 claims abstract description 14
- 238000005485 electric heating Methods 0.000 claims abstract description 4
- 238000010438 heat treatment Methods 0.000 claims description 15
- 238000002955 isolation Methods 0.000 claims description 12
- 238000011049 filling Methods 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 4
- 239000002274 desiccant Substances 0.000 claims description 3
- 230000007246 mechanism Effects 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000004134 energy conservation Methods 0.000 abstract 1
- 238000007664 blowing Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Polishing Bodies And Polishing Tools (AREA)
Abstract
The utility model provides a novel resistance furnace for sintering a grinding tool, which comprises a furnace body, wherein a furnace door is arranged on the furnace body, and a bearing piece and an electric heating wire are arranged in the furnace body; the top of the furnace body is provided with an air flow transmission assembly, the air flow transmission assembly comprises a shell, an air inlet is arranged on the side surface of the shell, an air outlet is arranged on the top of the shell, a rotating pipe extending into the furnace body is rotationally arranged at the axial position of the shell, blades and an air distribution pipe are arranged on the rotating pipe, air holes are uniformly distributed on the side surface of the air distribution pipe, the air outlet is connected with one end of a connecting pipe, and the other end of the connecting pipe is rotationally connected with the top end of the rotating pipe through a rotary joint; the lower part of the furnace body is provided with an exhaust port, the exhaust port is connected with a gas gathering pipe, the gas gathering pipe is connected with an air inlet of the drying assembly through an exhaust pipe I, an air outlet of the drying assembly is connected with an inlet of an air delivery pump through an exhaust pipe II, and an outlet of the air delivery pump is connected with the air inlet through an exhaust pipe III; the utility model can ensure the sintering efficiency and quality of the workpiece on the premise of energy conservation, and has smart and practical structural design.
Description
Technical Field
The utility model relates to the technical field of resistance furnaces, in particular to a novel resistance furnace for sintering a grinding tool.
Background
The resistance furnace is a heat treatment device frequently used in the heat treatment industry, and mainly utilizes current to enable a heating element in the resistance furnace to emit heat, so that heating and sintering of a workpiece in a furnace body are realized, and the resistance furnace is a necessary device in the production process of a grinding tool (such as a grinding wheel). When the traditional resistance furnace is used, a workpiece is generally placed on a bearing object in the furnace, and in order to ensure uniform heating of the workpiece, the bearing object is generally required to be driven to rotate by a motor, and the workpiece is heated by heat radiated by a heating body on the inner wall of the furnace body. The resistance furnace of this form has the following disadvantages during use: 1. a certain temperature difference exists in a region far away from the heating element compared with a region near to the heating element, so that each workpiece is heated unevenly; 2. the phenomenon of uneven heating exists in different angles of each workpiece, and the sintering quality and the sintering efficiency of the workpiece are affected.
Therefore, there is a need to design a new resistance furnace to solve the above technical problems.
Disclosure of Invention
The utility model aims at overcoming the defects of the prior art, and provides a novel resistance furnace for sintering a grinding tool, which comprises the following specific scheme:
the novel resistance furnace for sintering the grinding tool comprises a furnace body, wherein the front side of the furnace body is hinged with a furnace door, a plurality of groups of bearing pieces for placing workpieces are arranged in the furnace body, and the inner wall of the furnace body is provided with heating wires; the top of the furnace body is provided with an air flow transmission assembly, the air flow transmission assembly comprises a cylindrical shell, an air inlet is formed in the side face of the shell, an air outlet is formed in the top of the shell, a rotating pipe extending into the furnace body is penetrated through the axial position of the shell and is rotationally arranged on the axial position of the shell, a plurality of blades are arranged on the rotating pipe positioned in the shell, a plurality of air distribution pipes are arranged on the rotating pipe positioned in the furnace body, air holes are uniformly distributed in the side face of the air distribution pipes, the air outlet is connected with one end of a connecting pipe, and the other end of the connecting pipe is rotationally connected with the top end of the rotating pipe through a rotary joint; the lower part of the furnace body is provided with a plurality of exhaust ports along the circumferential direction, the exhaust ports are connected with a gas gathering pipe, the gas gathering pipe is connected with an air inlet of a drying assembly through an exhaust pipe I, an air outlet of the drying assembly is connected with an inlet of an air delivery pump through an exhaust pipe II, and an outlet of the air delivery pump is connected with the air inlet through an exhaust pipe III; the electric heating wire and the gas transmission pump are electrically connected with a controller arranged outside the furnace body.
Based on the above, the drying component comprises a shell, the lower end and the upper end of the shell are respectively provided with an air inlet and an air outlet, a first isolation net and a second isolation net are arranged in the shell, a filling area for filling a drying agent is arranged between the first isolation net and the second isolation net, and a material inlet and a material outlet are respectively arranged on the side face of the shell corresponding to the upper part and the lower part of the filling area.
Based on the above, the bearing piece comprises a frame fixedly connected with the inner wall of the furnace body and a cylinder body for the rotary pipe to pass through, and a metal net for placing a workpiece is arranged between the frame and the cylinder body.
Based on the above, the top of the furnace body is provided with a thermocouple in a penetrating way, and the thermocouple is electrically connected with the controller.
Based on the above, the bottom of the furnace body is provided with a plurality of elastic supporting legs, and the bottom of the elastic supporting legs is provided with universal wheels with locking mechanisms.
Compared with the prior art, the utility model has substantial characteristics and progress, and particularly has the following advantages:
the resistance furnace provided by the utility model can circularly flow the hot air flow in the furnace body, and dry the furnace body through the drying component, and then uniformly blow the hot air flow on the surface of a workpiece to be sintered, so that the sintering efficiency and quality of the workpiece are ensured.
Drawings
Fig. 1 is a schematic view of the overall structure of the present utility model.
Fig. 2 is a schematic view of the structure of the drying assembly according to the present utility model.
Fig. 3 is a front view of the present utility model.
In the figure: 1. a furnace body; 2. a furnace door; 3. a carrier; 3-1, a frame; 3-2, a cylinder; 3-3, a metal net; 4. an airflow delivery assembly; 4-1, a shell; 4-2, turning the pipe; 4-3, an air outlet; 4-4, connecting pipes; 4-5, an air inlet; 4-6, blades; 5. a gas gathering tube; 6. an exhaust pipe I; 7. a drying assembly; 7-1, a shell; 7-2, isolating net I; 7-3, isolating net II; 7-4, filling the area; 7-5, a feed inlet; 7-6, a discharge hole; 8. an exhaust pipe II; 9. an air delivery pump; a third exhaust pipe; 11. an air distribution pipe; 12. heating wires; 13. an elastic support leg; 14. a universal wheel; 15. a thermocouple; 16. a controller; 17. a workpiece.
Detailed Description
The technical scheme of the utility model is further described in detail through the following specific embodiments.
Examples
As shown in fig. 1-3, the utility model provides a novel resistance furnace for sintering grinding tools, which comprises a furnace body 1, wherein the front side of the furnace body 1 is hinged with a furnace door 2, a plurality of groups of bearing pieces 3 for placing workpieces 17 are arranged in the furnace body 1, and the inner wall of the furnace body 1 is provided with an electric heating wire 12; the top of the furnace body 1 is provided with an air flow transmission assembly 4, the air flow transmission assembly 4 comprises a cylindrical shell 4-1, an air inlet 4-5 is formed in the side face of the shell 4-1, an air outlet 4-3 is formed in the top of the shell 4-1, a rotating pipe 4-2 extending into the furnace body 1 is penetrated and arranged in a rotating mode at the axis position of the shell 4-1, a plurality of blades 4-6 are arranged on the rotating pipe 4-2 positioned in the shell 4-1, a plurality of air distribution pipes 11 are arranged on the rotating pipe 4-2 positioned in the furnace body 1, air holes are uniformly distributed in the side face of the air distribution pipes 11, the air outlet 4-3 is connected with one end of a connecting pipe 4-4, and the other end of the connecting pipe 4-4 is connected with the top end of the rotating pipe 4-2 in a rotating mode through a rotating joint; the lower part of the furnace body 1 is provided with a plurality of exhaust ports along the circumferential direction, the exhaust ports are all connected with a gas gathering pipe 5, the gas gathering pipe 5 is connected with an air inlet 4-5 of a drying assembly 7 through an exhaust pipe I6, an air outlet 4-3 of the drying assembly 7 is connected with an inlet of a gas transmission pump 9 through an exhaust pipe II 8, and an outlet of the gas transmission pump 9 is connected with the air inlet 4-5 through an exhaust pipe III 10; the heating wire 12 and the air pump 9 are electrically connected with a controller 16 arranged outside the furnace body 1.
The drying assembly 7 comprises a shell 7-1, wherein an air inlet 4-5 and an air outlet 4-3 are respectively arranged at the lower end and the upper end of the shell 7-1, a first isolation net 7-2 and a second isolation net 7-3 are arranged in the shell 7-1, a filling area 7-4 for filling a drying agent is arranged between the first isolation net 7-2 and the second isolation net 7-3, and a feeding opening 7-5 and a discharging opening 7-6 are respectively arranged at the side surface of the shell 7-1 corresponding to the upper part and the lower part of the filling area 7-4.
The bearing piece 3 comprises a frame 3-1 fixedly connected with the inner wall of the furnace body 1 and a cylinder body 3-2 for the rotary pipe 4-2 to pass through, wherein a metal net 3-3 for placing a workpiece 17 is arranged between the frame 3-1 and the cylinder body 3-2.
In order to monitor the internal temperature of the furnace body 1, a thermocouple 15 electrically connected with the controller 16 is arranged on the top of the furnace body 1.
In order to facilitate the movement of the furnace body 1, a plurality of elastic supporting legs 13 are arranged at the bottom of the furnace body 1, and universal wheels 14 with locking mechanisms are arranged at the bottoms of the elastic supporting legs 13.
The utility model has the specific working principle that: when the sintering temperature inside the furnace body 1 is set by the controller 16, the thermocouple 15 transmits the monitored temperature to the controller 16 in real time, and the controller 16 adjusts the heating power of the heating wire 12 according to the actual temperature value.
The air delivery pump 9 is started, air flow in the furnace body 1 is discharged from the exhaust port and enters the air gathering pipe 5, then enters the drying component 7 through the exhaust pipe I6 for drying treatment, then enters the blowing blade 4-6 in the shell 4-1 through the exhaust pipe II 8, the air delivery pump 9 and the exhaust pipe III 10, the rotating pipe 4-2 rotates along with the blowing blade, then the air flow enters the rotating pipe 4-2 through the connecting pipe 4-4 and finally is discharged from the micropores on the air distribution pipe 11 to be blown on the surface of the workpiece 17, and then the air flow is discharged from the exhaust port again, so that the circulation is realized.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same; while the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art will appreciate that: modifications may be made to the specific embodiments of the present utility model or equivalents may be substituted for part of the technical features thereof; without departing from the spirit of the utility model, it is intended to cover the scope of the utility model as claimed.
Claims (5)
1. A novel resistance furnace for sintering grinding tools is characterized in that: the furnace comprises a furnace body (1), wherein the front side of the furnace body (1) is hinged with a furnace door (2), a plurality of groups of bearing pieces (3) for placing workpieces (17) are arranged in the furnace body (1), and the inner wall of the furnace body (1) is provided with an electric heating wire (12); the top of the furnace body (1) is provided with an air flow transmission assembly (4), the air flow transmission assembly (4) comprises a cylindrical shell (4-1), an air inlet (4-5) is formed in the side face of the shell (4-1), an air outlet (4-3) is formed in the top of the shell (4-1), a rotating pipe (4-2) extending into the furnace body (1) is penetrated through the axial position of the shell (4-1) and is rotationally arranged, a plurality of blades (4-6) are arranged on the rotating pipe (4-2) in the shell (4-1), a plurality of air distribution pipes (11) are arranged on the rotating pipe (4-2) in the furnace body (1), air holes are uniformly distributed in the side face of the air distribution pipes (11), the air outlet (4-3) is connected with one end of a connecting pipe (4-4), and the other end of the connecting pipe (4-4) is rotationally connected with the top end of the rotating pipe (4-2) through a rotary joint; the lower part of the furnace body (1) is provided with a plurality of exhaust ports along the circumferential direction, the exhaust ports are all connected with a gas gathering pipe (5), the gas gathering pipe (5) is connected with an air inlet (4-5) of a drying component (7) through an exhaust pipe I (6), an air outlet (4-3) of the drying component (7) is connected with an inlet of a gas transmission pump (9) through an exhaust pipe II (8), and an outlet of the gas transmission pump (9) is connected with the air inlet (4-5) through an exhaust pipe III (10); the heating wire (12) and the gas transmission pump (9) are electrically connected with a controller (16) arranged outside the furnace body (1).
2. The novel resistance furnace for sintering abrasive articles according to claim 1, wherein: the drying assembly (7) comprises a shell (7-1), wherein an air inlet (4-5) and an air outlet (4-3) are respectively arranged at the lower end and the upper end of the shell (7-1), a first isolation net (7-2) and a second isolation net (7-3) are arranged in the shell (7-1), a filling area (7-4) for filling a drying agent is arranged between the first isolation net (7-2) and the second isolation net (7-3), and a feeding opening (7-5) and a discharging opening (7-6) are respectively arranged at the side face of the shell (7-1) corresponding to the upper part and the lower part of the filling area (7-4).
3. The novel resistance furnace for sintering abrasive articles according to claim 1, wherein: the bearing piece (3) comprises a frame (3-1) fixedly connected with the inner wall of the furnace body (1) and a cylinder body (3-2) for the rotary pipe (4-2) to pass through, and a metal net (3-3) for placing a workpiece (17) is arranged between the frame (3-1) and the cylinder body (3-2).
4. The novel resistance furnace for sintering abrasive articles according to claim 1, wherein: the top of the furnace body (1) is provided with a thermocouple (15) which is electrically connected with the controller (16) in a penetrating way.
5. The novel resistance furnace for sintering abrasive articles according to claim 1, wherein: the bottom of the furnace body (1) is provided with a plurality of elastic supporting legs (13), and the bottom of the elastic supporting legs (13) is provided with universal wheels (14) with locking mechanisms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320691363.9U CN219869103U (en) | 2023-03-31 | 2023-03-31 | Novel resistance furnace for sintering grinding tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320691363.9U CN219869103U (en) | 2023-03-31 | 2023-03-31 | Novel resistance furnace for sintering grinding tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219869103U true CN219869103U (en) | 2023-10-20 |
Family
ID=88369885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320691363.9U Active CN219869103U (en) | 2023-03-31 | 2023-03-31 | Novel resistance furnace for sintering grinding tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219869103U (en) |
-
2023
- 2023-03-31 CN CN202320691363.9U patent/CN219869103U/en active Active
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