CN217265875U

CN217265875U - Double-layer efficient air-cooled quenching device

Info

Publication number: CN217265875U
Application number: CN202221120919.0U
Authority: CN
Inventors: 李海龙; 岳云辉
Original assignee: SHENYANG NEU-SANKEN INDUSTRIAL FURNACE MANUFACTURE CO LTD
Current assignee: SHENYANG NEU-SANKEN INDUSTRIAL FURNACE MANUFACTURE CO LTD
Priority date: 2022-05-11
Filing date: 2022-05-11
Publication date: 2022-08-23
Anticipated expiration: 2032-05-11

Abstract

The utility model discloses a double-layer efficient air-cooled quenching device, which belongs to the technical field of heat treatment and comprises an air inlet channel, a quenching chamber, a charging basket, a conveying mechanism, a drainage chamber and an air outlet channel, wherein a first station and a second station are arranged in the quenching chamber; the bottom areas of the first station and the second station are both larger than the bottom area of the charging basket, the heights of the first station and the second station are both larger than twice the height of the charging basket, and lifting splitting mechanisms are arranged on two sides of the first station and two sides of the second station; the lifting and disassembling mechanism comprises a guide rod, a lifting part and an electric push rod; the lifting part is provided with an extension arm and a bearing rod; the extension arms are vertical to the lifting part and extend into the quenching chamber, and the number of the extension arms is two; the bearing rod is fixed at one end of the two extension arms far away from the lifting part; jacking supports are arranged on two sides of the charging basket, so that the requirement of simultaneous air cooling quenching production of a large number of workpieces can be met; the heat treatment production line has high productivity, the layout of the heat treatment equipment occupies smaller space, and the production line is shorter.

Description

Double-layer efficient air-cooled quenching device

Technical Field

The utility model belongs to the technical field of heat treatment, in particular to a double-layer high-efficiency air-cooled quenching device.

Background

The air-cooled quenching is taken as a key technology in the heat treatment process, and has the advantages of small deformation, small residual stress, good stability of the processed workpiece and no rebound of geometric dimension; therefore, the method is widely applied to heat treatment of structural members with complex shapes, such as aluminum alloy thin-wall members, engine cylinder covers and the like, and has the advantage that other quenching modes cannot be replaced.

But the single-layer air-cooled quenching technology is limited, only single-layer single-basket workpieces can be processed at a time, and in order to ensure the quenching effect, cooling air gaps are left among the workpieces, so that the single-basket loading capacity is limited, the capacity of the whole heat treatment production line is low, the layout of heat treatment equipment matched with the single-basket loading capacity occupies a large space, the production line is long, the equipment investment is high, and the energy consumption is high.

Therefore, there is a need in the art for a new solution to solve this problem.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects in the prior art, the utility model provides a double-layer high-efficiency air-cooled quenching device which is used for solving the problems that the production line capacity of the whole heat treatment is lower and the production line is longer.

In order to realize the purpose, the utility model discloses a technical scheme be: a double-layer efficient air-cooled quenching device comprises an air inlet channel, a quenching chamber, a charging basket, a conveying mechanism, a drainage chamber and an air outlet channel, wherein a first station and a second station are arranged in the quenching chamber; the bottom areas of the first station and the second station are both larger than the bottom area of the charging basket, the heights of the first station and the second station are both larger than twice the height of the charging basket, and lifting splitting mechanisms are arranged on two sides of the first station and two sides of the second station; the lifting and disassembling mechanism comprises a guide rod, a lifting part and an electric push rod; the lifting part is provided with an extension arm and a bearing rod; the extension arms are perpendicular to the lifting part and extend into the quenching chamber, and the number of the extension arms is two; the bearing rod is fixed at one end of each extension arm far away from the lifting part; and jacking supports are arranged on two sides of the charging basket.

Preferably, the lifting part is connected with the guide rod in a sliding fit manner through the guide wheel, the lifting part is of a rectangular frame structure, an upper frame of the lifting part is fixed to the top end of the electric push rod, and a lower frame of the lifting part is provided with an extension arm and a bearing rod; the jacking support of the charging basket is of a groove structure, and the jacking support of the charging basket is arranged on the lower portions of two sides of the charging basket.

The air inlet channel is communicated with the upper end of the quenching chamber; the lower end of the quenching chamber is communicated with the drainage chamber, and the quenching chamber is provided with a feeding door and a discharging door; a first arc-shaped guide plate and a second arc-shaped guide plate are arranged in the drainage chamber, the drainage chamber is communicated with the air outlet channel, and a conveying mechanism is arranged on the upper surface of the drainage chamber; and fans are arranged in the air outlet channel and the air inlet channel.

The feeding door and the discharging door are both connected with a direct connection cylinder.

Preferably, the conveying mechanism is conveying rollers arranged at intervals.

Preferably, the quenching chamber is provided with an inner partition layer; the lifting splitting mechanism is arranged between the inner interlayer and the outer wall of the quenching chamber; the inner interlayer is provided with a notch for the extension arm to lift and slide; the extension arm passes through the notch and extends towards the quenching chamber.

Through the above design scheme, the utility model discloses following beneficial effect can be brought:

1. the layout of the top fan is designed to meet the high-yield design of a large charging basket, so that the requirement of simultaneous air cooling and quenching production of a large number of workpieces can be met;

2. double-basket loading cooling is adopted, the productivity of a heat treatment production line is high, the layout of heat treatment equipment occupies smaller space, and the production line is shorter;

3. the arc-shaped guide plate is arranged, so that the wind resistance of the system is reduced, the wind speed flowing through the surface of the workpiece is high during quenching, and the quenching effect is good;

drawings

FIG. 1 is a front sectional view of the double-layer high-efficiency air-cooled quenching device of the utility model.

Fig. 2 is a cross-sectional view A-A of the double-layer high-efficiency air-cooled quenching device of the utility model.

FIG. 3 is a B-B sectional view of the double-layer high-efficiency air-cooled quenching device of the utility model.

Fig. 4 is a top cross-sectional view of the double-layer high-efficiency air-cooled quenching device of the utility model.

In the drawing, the air inlet channel is 1, the quenching chamber is 2, the quenching chamber is 21, the first station is 22, the second station is 23, the feeding door is 24, the discharging door is 24, the direct-connected air cylinder is 25, the inner partition layer is 26, the charging basket is 3, the jacking bracket is 31, the conveying mechanism is 4, the drainage chamber is 5, the first arc-shaped guide plate is 51, the second arc-shaped guide plate is 52, the air outlet channel is 6, the lifting and splitting mechanism is 7, the guide rod is 71, the lifting part is 72, the extension arm is 721, the bearing rod is 722, the guide wheel is 723, the upper frame is 724, the lower frame is 725, the electric push rod is 73, and the fan is 8.

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings

It should be noted that, the terms "front and back, up and down, left and right" and the like in the text are only a simplified description for visually describing the positional relationship based on the drawings, and are not a limitation on the technical solution.

In order to more clearly illustrate the invention, the invention is further described below in connection with preferred embodiments. As will be appreciated by those skilled in the art. The following detailed description is to be construed as illustrative and not restrictive, and various changes may be made in the following parameters by a user without departing from the spirit and scope of the invention as set forth in the appended claims. Well-known methods and procedures have not been described in detail so as not to obscure the present invention.

Shown in attached figures 1-4: a double-layer efficient air-cooled quenching device comprises an air inlet channel 1, a quenching chamber 2, a charging basket 3, a conveying mechanism 4, a drainage chamber 5 and an air outlet channel 6, wherein a first station 21 and a second station 22 are arranged in the quenching chamber 2; the bottom areas of the first station 21 and the second station 22 are both larger than the bottom area of the charging basket 3, the heights of the first station 21 and the second station 22 are both larger than twice the height of the charging basket 3, and the two sides of the first station 21 and the second station 22 are both provided with lifting splitting mechanisms 7; the lifting and disassembling mechanism 7 comprises a guide rod 71, a lifting part 72 and an electric push rod 73; the lifting part 72 is provided with an extension arm 721 and a bearing rod 722; the two extension arms 721 are perpendicular to the lifting part 72 and extend into the quenching chamber 2; the bearing rod 722 is fixed at one end of the two extension arms 721 away from the lifting part 72; and jacking supports 31 are arranged on two sides of the charging basket 3.

The lifting and lowering mechanism 7 can lift and lower the charging basket 3 by any known method, and in order to obtain a more stable lifting and lowering structure, it is preferable that the lifting and lowering part 72 is connected with the guide rods 71 in a sliding fit manner through guide wheels 723, two guide rods 71 are provided, the lifting and lowering part 72 is of a rectangular frame structure, an upper frame 724 of the lifting and lowering part 72 is fixed to the top end of the electric push rod 73, and a lower frame 725 of the lifting and lowering part 72 is provided with an extension arm 721 and a bearing rod 722; jacking support 31 of charging basket 3 is groove structure, and jacking support 31 of charging basket 3 sets up the lower part in charging basket 3 both sides.

The air flow path can be a known conventional air-cooled quenching path, and in order to obtain a more excellent air-cooled quenching effect, the preferable scheme is that the air inlet channel 1 is communicated with the upper end of the quenching chamber 2; the lower end of the quenching chamber 2 is communicated with the drainage chamber 5, and the quenching chamber 2 is provided with a feeding door 23 and a discharging door 24; a first arc-shaped guide plate 51 and a second arc-shaped guide plate 52 are arranged in the drainage chamber 5, the drainage chamber 5 is communicated with the air outlet channel 6, and the upper surface of the drainage chamber 5 is provided with a conveying mechanism 4; and fans 8 are arranged in the air outlet channel 6 and the air inlet channel 1. The layout of the top fan is designed to meet the high-yield design of a large charging basket, and the requirement of simultaneous air cooling quenching production of a large number of workpieces can be met; the arc-shaped guide plate is arranged, so that the wind resistance of the system is reduced, the wind speed flowing through the surface of the workpiece is high during quenching, and the quenching effect is good.

Further inlet gates 23 and outlet gates 24 are connected to direct connected cylinders 25.

The conveying mechanism 4 is further a conveying roller arranged at intervals. The conveying roller is driven by a speed reduction variable frequency motor in a chain way and the like; the variable frequency motor has two working frequencies of high speed and low speed, wherein when the charging basket 3 enters the quenching chamber quickly, the driving motor is in a high-speed running state; the rest time is that the material basket is stably conveyed and is in a low-speed state;

in order to make the space inside the quenching chamber 2 more compact and facilitate the circulation of accelerated wind, it is preferable that the quenching chamber 2 is provided with an inner partition 26; the lifting splitting mechanism 7 is arranged between the inner interlayer 26 and the outer wall of the quenching chamber 2; the inner partition layer 26 is provided with a notch for the extension arm 721 to lift and slide; the extension arms 721 extend through the slots into the quenching chamber 2.

In actual operation, all the fans 8 are started in advance before the charging basket 3 enters the air-cooled quenching chamber 2, and before the charging basket 3 is transported, the fans 8 reach a set rotating speed, the air volume reaches the maximum, and the air speed in the quenching chamber 2 is further guaranteed to reach the maximum; before the charging basket 3 enters the quenching chamber 2, the electric push rods 73 at the two stations push the bearing rods 722 to reach the preset positions, so that preparation is made for disassembling the charging basket 3; on the premise that the discharge door 24 is closed, the feed door 23 is opened, the variable-frequency conveying motor is switched to a high-frequency high-speed state, and the conveying rollers are driven to quickly transfer the two stacked charging baskets 3 to the first station 21 of the quenching chamber 2; the superposed baskets are separated from the interference area of the feeding door 23 and reach the designated position of the first station 21; the feed gate 23 is closed quickly; the electric push rod 73 of the first station 21 drives the bearing rod 722 to prop against the lower edge of the jacking bracket 31 of the upper charging basket 3, so as to lift the upper charging basket 3; after the upper and lower charging baskets are completely separated, the lower charging basket 3 is conveyed to a second station 22 through a conveying roller in a high-frequency and high-speed state of a variable-frequency conveying motor; the charging basket 3 rises to the upper part of the second station 22 under the combined action of the electric push rod 73 and the bearing rod 722 of the second station 22, reaches the position which is flush with the charging basket 3 of the first station 21 and is close to the air outlet of the air inlet channel 1, and the two basket workpieces are kept at the height position until the whole air-cooled quenching process is completed;

when the quenching time reaches a set value, the air supply and exhaust fans of the two stations gradually reduce the rotating speed until the quenching time is completely stopped; after quenching is finished, the charging basket 3 at the upper part of the second station 22 is kept still, the electric push rod 73 of the first station 21 lowers the bearing rod 722, and then the charging basket 3 is lowered onto the conveying roller, then the variable-frequency conveying motor drives the conveying roller to convey the charging basket 3 to the position at the lower part of the second station 22 in a low-frequency and low-speed state, and the charging basket 3 is ensured to be positioned right below the charging basket 3 lifted by the second station 22 through a photoelectric and positioning device; then, the lifting splitting mechanism 7 of the second station 22 puts down the upper charging basket 3 and superposes the upper charging basket 3 on the lower charging basket 3, so that the superposition work of the double-layer charging basket is smoothly completed; the discharge door 24 is opened, and the stacked charging basket as a whole is conveyed to the outside of the air-cooled quenching chamber 2 by a conveying roller driven by a variable-frequency conveying motor; the whole air cooling quenching process and the superposition conveying process are finished.

The utility model discloses a let cooling air blow in air-cooled quenching room 2 from the top, be favorable to the fixed of frivolous work piece and steady, can not lead to the work piece incline to drop because of the wind speed is too high, the layout of two fans in top simultaneously corresponds the high energy production design of large-scale basket, can satisfy the simultaneous air-cooled quenching production of a large amount of work pieces, this double-deck high-efficient air-cooled quenching device still because the charging basket 3 is the stack state when entering air-cooled quenching room 2, carry out the split air-cooled quenching in quenching room 2 through the transport charging basket elevating gear of two stations, stack again in quenching room 2 after quenching is accomplished, the charging basket still is the double-deck stack state when leaving; subsequent stacking devices and procedures are omitted, the number of devices and the occupied area of the heat treatment line are reduced, and the whole heat treatment line is compact and efficient.

It is obvious that the above-described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Claims

1. The utility model provides a double-deck high-efficient forced air cooling guenching unit, includes inlet air channel (1), quenching chamber (2), charging basket (3), transport mechanism (4), drainage room (5) and air-out passageway (6), its characterized in that: a first station (21) and a second station (22) are arranged in the quenching chamber (2); the bottom areas of the first station (21) and the second station (22) are both larger than the bottom area of the charging basket (3), the heights of the first station (21) and the second station (22) are both larger than twice the height of the charging basket (3), and two sides of the first station (21) and the second station (22) are both provided with lifting splitting mechanisms (7); the lifting splitting mechanism (7) comprises a guide rod (71), a lifting part (72) and an electric push rod (73); the lifting part (72) is provided with an extension arm (721) and a bearing rod (722); the extension arms (721) are perpendicular to the lifting part (72) and extend into the quenching chamber (2), and the number of the extension arms (721) is two; the bearing rod (722) is fixed at one end of each of the two extension arms (721) far away from the lifting part (72); and jacking supports (31) are arranged on two sides of the charging basket (3).

2. The double-layer efficient air-cooled quenching device as claimed in claim 1, wherein: the lifting part (72) is connected with the guide rod (71) in a sliding fit manner through a guide wheel (723), the lifting part (72) is of a rectangular frame structure, an upper frame (724) of the lifting part (72) is fixed to the top end of the electric push rod (73), and a lower frame (725) of the lifting part (72) is provided with an extension arm (721) and a bearing rod (722); jacking support (31) of charging basket (3) are groove structure, and jacking support (31) of charging basket (3) set up the lower part in charging basket (3) both sides.

3. The double-layer efficient air-cooled quenching device as claimed in claim 1, wherein: the air inlet channel (1) is communicated with the upper end of the quenching chamber (2); the lower end of the quenching chamber (2) is communicated with the drainage chamber (5), and the quenching chamber (2) is provided with a feeding door (23) and a discharging door (24); a first arc-shaped guide plate (51) and a second arc-shaped guide plate (52) are arranged in the drainage chamber (5), the drainage chamber (5) is communicated with the air outlet channel (6), and a conveying mechanism (4) is arranged on the upper surface of the drainage chamber (5); and fans (8) are arranged in the air outlet channel (6) and the air inlet channel (1).

4. The double-layer efficient air-cooled quenching device as claimed in claim 3, wherein: the feeding door (23) and the discharging door (24) are both connected with a direct connection cylinder (25).

5. The double-layer efficient air-cooled quenching device as claimed in claim 1, wherein: the conveying mechanism (4) is conveying rollers arranged at intervals.

6. The double-layer efficient air-cooled quenching device as claimed in claim 1, wherein: the quenching chamber (2) is provided with an inner interlayer (26); the lifting and disassembling mechanism (7) is arranged between the inner interlayer (26) and the outer wall of the quenching chamber (2); the inner interlayer (26) is provided with a notch for the extension arm (721) to lift and slide; the extension arm (721) passes through the notch and extends into the quenching chamber (2).