Quenching furnace for metal heat treatment

Abstract

The utility model discloses a quenching furnace for metal heat treatment. The quenching furnace comprises a furnace body, a furnace door and an adjusting assembly, the adjusting assembly is arranged, a workpiece is placed on the transverse rod, the electric telescopic rod is used for driving the first sealing plate and the second sealing plate to move, the workpiece can be driven to move left and right, under the arrangement of the partition plate and the penetrating opening, the space in the furnace body can be divided, and heat in the furnace body is prevented from being lost when the workpiece is taken and placed; a driving motor is used for driving a transmission lead screw to rotate, the transmission lead screw rotates to drive two groups of lead screw nuts to get close to or away from each other, the lead screw nuts move to drive a connecting rod to move, and the connecting rod can move to drive an adjusting plate to ascend or descend, so that the space in the furnace body is adjusted; and the space of the furnace body can be conveniently adjusted according to workpieces of different sizes, the situation that the workpieces of different sizes need to be heated in the same space is avoided, the quenching efficiency of the workpieces is improved, and energy consumption is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field related to metal heat treatment, in particular to a quenching furnace for metal heat treatment. Background Art

[0002] Quenching can greatly improve the strength, hardness, wear resistance, fatigue strength and toughness of steel, so as to meet the different use requirements of various mechanical parts and tools. The quenching furnace is a furnace for heating the workpiece before quenching. Quenching is to put the workpiece into the furnace and heat it to a quenching temperature above the critical point and maintain it for a period of time, and then quickly take the workpiece out of the furnace and put it into the quenching liquid for quenching.

[0003] The prior art has the following deficiencies: the prior art "A quenching furnace for metal heat treatment" with publication number CN218372412U "includes a support frame, a furnace body is arranged on the support frame, a fire supply groove is arranged at the bottom of the furnace body, a gas pipe for conveying gas is connected to the fire supply groove, a plurality of gas nozzles are arranged on the gas pipe, and flames are sprayed through the gas nozzles to quench the metal products in the furnace body; an exhaust pipe is connected to one side of the furnace body, a pressure gauge and a control valve are arranged on the exhaust pipe, and the pressure gauge and the control valve are electrically connected to the controller";

[0004] When the above equipment is in use, the sealed door needs to be opened to obtain the workpiece. The high temperature in the furnace body poses a safety hazard. At the same time, when the sealed door is opened, the heat energy in the furnace body will dissipate rapidly. When the next quenching is performed, it will take a lot of time and energy to heat up. The volume in the furnace body is fixed. When quenching workpieces of different sizes, it is necessary to heat up the fixed space, which affects the quenching efficiency of the workpiece and causes a waste of resources. Utility Model Content

[0005] The purpose of the utility model is to provide a quenching furnace for metal heat treatment to solve the problems raised in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical solution: a quenching furnace for metal heat treatment, comprising a furnace body, a furnace door and an adjustment component, wherein the furnace door is rotatably mounted on the side wall of the furnace body, and the adjustment component is mounted in the furnace body;

[0007] The adjustment assembly includes a fixed plate, a driving motor, a transmission screw, two sets of screw nuts, a connecting rod, an adjustment plate and a moving part. The fixed plate is installed on the side wall of the furnace body by bolts, the driving motor is installed on the top of the fixed plate by bolts, the transmission screw is installed on the output end of the driving motor, the two sets of screw nuts are symmetrically sleeved and installed on the outside of the transmission screw, the connecting rod is rotatably installed at the bottom end of the screw nut, the adjustment plate is rotatably installed at one end of the connecting rod, and the moving part is installed in the furnace body.

[0008] As a further preferred embodiment of the present technical solution, the movable part includes a partition, a through-hole, two groups of electric telescopic rods, a No. 1 sealing plate and a No. 2 sealing plate, the partition is installed on the inner wall of the furnace body by bolts, the through-hole is opened on the surface of the partition, the two groups of electric telescopic rods are installed on the inner wall of the furnace body by bolts, the No. 1 sealing plate is installed on the output end of the electric telescopic rod, and the No. 2 sealing plate is installed on one side of the No. 1 sealing plate.

[0009] As a further preferred embodiment of the present technical solution, the transmission screw is provided with two groups of external threads on the outside, the two groups of external threads are arranged oppositely, the screw nut is slidably connected to the top of the furnace body, the connecting rod is inclined, and the adjustment plate is slidably connected to the inner wall and partition of the furnace body.

[0010] As a further preferred embodiment of the present technical solution, the partition is made of a heat-insulating material, and the No. 1 sealing plate and the No. 2 sealing plate are both arranged corresponding to the through-holes.

[0011] As a further preferred embodiment of the technical solution, a plurality of groups of support columns are symmetrically mounted on the bottom end of the furnace body by means of bolts, and stabilizing rods are mounted between the support columns by means of bolts.

[0012] As a further preferred embodiment of the present technical solution, a plurality of groups of cross bars are installed between the No. 1 sealing plate and the No. 2 sealing plate by bolts, and the plurality of groups of cross bars are evenly distributed.

[0013] As a further preferred embodiment of the present technical solution, a vacuum pump is installed at the bottom end of the furnace body by bolts, and the inner bottom of the furnace body and the bottom of the adjustment plate are both embedded in the heating plate.

[0014] The utility model provides a quenching furnace for metal heat treatment, which has the following beneficial effects:

[0015] (1) The utility model is provided with an adjustment component, the workpiece is placed on the cross bar, and the electric telescopic rod is used to drive the No. 1 sealing plate and the No. 2 sealing plate to move, which can drive the workpiece to move left and right. Under the setting of the partition and the through-hole, the space inside the furnace body can be divided to avoid the loss of heat inside the furnace body when the workpiece is taken and placed, and to avoid repeated long-term heating. The driving motor is used to drive the transmission screw to rotate, and the rotation of the transmission screw drives the two sets of screw nuts to move closer or farther from each other. The movement of the screw nut drives the connecting rod to move, and the movement of the connecting rod can drive the adjustment plate to rise or move down, so as to adjust the space inside the furnace body, which is convenient for adjusting the furnace body space according to workpieces of different sizes, avoiding the need to heat up the same space for workpieces of different sizes, improving the quenching efficiency of the workpiece, and reducing energy consumption.

[0016] (2) The utility model can use a vacuum pump to ventilate or relieve pressure in the furnace, use a heating plate to heat the workpiece to complete the quenching of the workpiece, and use a cross bar to place and support the workpiece to facilitate subsequent quenching. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the internal structure of the furnace body of the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the adjustment component of the utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the regulating plate and the heating plate of the utility model.

[0021] In the figure: 1. furnace body; 2. furnace door; 3. adjustment assembly; 4. fixing plate; 5. driving motor; 6. transmission screw; 7. screw nut; 8. connecting rod; 9. adjustment plate; 10. moving part; 11. partition; 12. through-hole; 13. electric telescopic rod; 14. No. 1 sealing plate; 15. No. 2 sealing plate; 16. support column; 17. stabilizing rod; 18. cross bar; 19. vacuum pump; 20. heating plate. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0023] The utility model provides a technical solution: Figure 2 and Figure 3As shown, in this embodiment, a quenching furnace for metal heat treatment includes a furnace body 1, a furnace door 2 and an adjusting assembly 3, wherein the furnace door 2 is rotatably mounted on the side wall of the furnace body 1, the adjusting assembly 3 is mounted in the furnace body 1, the adjusting assembly 3 includes a fixing plate 4, a driving motor 5, a transmission screw 6, two sets of screw nuts 7, a connecting rod 8, an adjusting plate 9 and a moving part 10, the fixing plate 4 is mounted on the side wall of the furnace body 1 by bolts, the driving motor 5 is mounted on the top of the fixing plate 4 by bolts, and the transmission screw 6 is mounted on the driving motor 5. The output end, two groups of the screw nuts 7 are symmetrically sleeved and installed on the outside of the transmission screw 6, the connecting rod 8 is rotatably installed at the bottom end of the screw nut 7, the adjusting plate 9 is rotatably installed at one end of the connecting rod 8, the moving part 10 is installed in the furnace body 1, the moving part 10 includes a partition 11, a through hole 12, two groups of electric telescopic rods 13, a first sealing plate 14 and a second sealing plate 15, the partition 11 is installed on the inner wall of the furnace body 1 by bolts, the through hole 12 is opened on the surface of the partition 11, and the two groups of electric telescopic rods 13 are installed by bolts. The first sealing plate 14 is installed on the inner wall of the furnace body 1, the first sealing plate 14 is installed on the output end of the electric telescopic rod 13, the second sealing plate 15 is installed on one side of the first sealing plate 14, the transmission screw 6 is provided with two sets of external threads on the outside, the two sets of external threads are arranged oppositely, the screw nut 7 is slidably connected with the top of the furnace body 1, the connecting rod 8 is inclined, the adjusting plate 9 is slidably connected with the inner wall of the furnace body 1 and the partition 11, the partition 11 is made of heat-insulating material, the first sealing plate 14 and the second sealing plate 15 are aligned with the through opening 12 It should be arranged that the workpiece is placed on the cross bar 18, and the electric telescopic rod 13 is used to drive the No. 1 sealing plate 14 and the No. 2 sealing plate 15 to move, which can drive the workpiece to move left and right. Under the setting of the partition 11 and the through-hole 12, the space inside the furnace body 1 can be divided, and the driving motor 5 is used to drive the transmission screw 6 to rotate. The rotation of the transmission screw 6 drives the two sets of screw nuts 7 to move closer to or away from each other. The movement of the screw nut 7 drives the connecting rod 8 to move. The movement of the connecting rod 8 can drive the adjustment plate 9 to rise or move down, thereby adjusting the space inside the furnace body 1.

[0024] like Figure 2 and Figure 4 As shown, multiple groups of cross bars 18 are installed between the No. 1 sealing plate 14 and the No. 2 sealing plate 15 by bolts, and the multiple groups of cross bars 18 are evenly distributed. A vacuum pump 19 is installed at the bottom of the furnace body 1 by bolts. The bottom of the furnace body 1 and the bottom of the adjustment plate 9 are embedded in a heating plate 20. The vacuum pump 19 can be used to ventilate or relieve pressure in the furnace body 1, and the heating plate 20 can be used to heat and heat the workpiece to complete the quenching of the workpiece. The cross bar 18 can be used to place and support the workpiece.

[0025] The utility model provides a quenching furnace for metal heat treatment, and the specific working principle is as follows:

[0026] When using the quenching furnace, the vacuum pump 19 can be used to ventilate or relieve the pressure in the furnace body 1, the heating plate 20 can be used to heat and raise the temperature of the workpiece to complete the quenching of the workpiece, and the cross bar 18 can be used to place and support the workpiece for subsequent quenching. By providing an adjustment component 3, the workpiece is placed on the cross bar 18, and the electric telescopic rod 13 is used to drive the No. 1 sealing plate 14 and the No. 2 sealing plate 15 to move, which can drive the workpiece to move left and right. Under the setting of the partition 11 and the through-hole 12, the space in the furnace body 1 can be divided to avoid the workpiece being taken and placed. The heat inside the furnace body 1 is lost at the same time, and repeated long-term heating is avoided. The driving motor 5 is used to drive the transmission screw 6 to rotate. The rotation of the transmission screw 6 drives the two sets of screw nuts 7 to move closer to or away from each other. The movement of the screw nut 7 drives the connecting rod 8 to move. The movement of the connecting rod 8 can drive the adjustment plate 9 to rise or move down, so as to adjust the space in the furnace body 1, which is convenient for adjusting the space of the furnace body 1 according to workpieces of different sizes, avoiding the need to heat up the same space for workpieces of different sizes, improving the quenching efficiency of the workpieces, and reducing energy consumption.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A quenching furnace for metal heat treatment, characterized in that: It comprises a furnace body (1), a furnace door (2) and an adjustment component (3), wherein the furnace door (2) is rotatably mounted on a side wall of the furnace body (1), and the adjustment component (3) is mounted inside the furnace body (1); The adjustment assembly (3) comprises a fixed plate (4), a drive motor (5), a transmission screw (6), two sets of screw nuts (7), a connecting rod (8), an adjustment plate (9) and a moving part (10); the fixed plate (4) is mounted on the side wall of the furnace body (1) by means of bolts; the drive motor (5) is mounted on the top of the fixed plate (4) by means of bolts; the transmission screw (6) is mounted on the output end of the drive motor (5); the two sets of screw nuts (7) are symmetrically sleeved and mounted on the outside of the transmission screw (6); the connecting rod (8) is rotatably mounted on the bottom end of the screw nut (7); the adjustment plate (9) is rotatably mounted on one end of the connecting rod (8); and the moving part (10) is mounted inside the furnace body (1).

2. A quenching furnace for metal heat treatment according to claim 1, characterized in that: The moving part (10) comprises a partition (11), a through-hole (12), two groups of electric telescopic rods (13), a first sealing plate (14) and a second sealing plate (15); the partition (11) is mounted on the inner wall of the furnace body (1) by means of bolts; the through-hole (12) is provided on the surface of the partition (11); the two groups of electric telescopic rods (13) are mounted on the inner wall of the furnace body (1) by means of bolts; the first sealing plate (14) is mounted on the output end of the electric telescopic rod (13); and the second sealing plate (15) is mounted on one side of the first sealing plate (14).

3. A quenching furnace for metal heat treatment according to claim 1, characterized in that: The transmission screw (6) is provided with two groups of external threads on the outside, and the two groups of external threads are arranged opposite to each other. The screw nut (7) is slidably connected to the top of the furnace body (1), the connecting rod (8) is arranged at an angle, and the adjustment plate (9) is slidably connected to the inner wall of the furnace body (1) and the partition (11).

4. A quenching furnace for metal heat treatment according to claim 2, characterized in that: The partition (11) is made of a heat-insulating material, and the first sealing plate (14) and the second sealing plate (15) are both arranged corresponding to the through opening (12).

5. The quenching furnace for metal heat treatment according to claim 1, characterized in that: A plurality of groups of support columns (16) are symmetrically mounted on the bottom end of the furnace body (1) via bolts, and stabilizing rods (17) are mounted between the support columns (16) via bolts.

6. A quenching furnace for metal heat treatment according to claim 2, characterized in that: A plurality of groups of cross bars (18) are installed between the first sealing plate (14) and the second sealing plate (15) by means of bolts, and the plurality of groups of cross bars (18) are evenly distributed.

7. A quenching furnace for metal heat treatment according to claim 1, characterized in that: A vacuum pump (19) is installed at the bottom of the furnace body (1) by means of bolts, and the bottom of the furnace body (1) and the bottom of the adjustment plate (9) are both embedded in a heating plate (20).

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