CN211057158U - Alloy steel casting annealing equipment - Google Patents
Alloy steel casting annealing equipment Download PDFInfo
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- CN211057158U CN211057158U CN201921867632.2U CN201921867632U CN211057158U CN 211057158 U CN211057158 U CN 211057158U CN 201921867632 U CN201921867632 U CN 201921867632U CN 211057158 U CN211057158 U CN 211057158U
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- nitrogen
- alloy steel
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- pipe
- nitrogen gas
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Abstract
The utility model discloses an alloy steel foundry goods annealing equipment, a serial communication port, including support frame (11), install annealing stove (1) on support frame (11), set up electric heating net (2) on annealing stove (1) inner wall, the end of giving vent to anger is located inside annealing stove (1), the inlet end stretches out the outside nitrogen gas feeding mechanism of annealing stove (1) to and be located inside and the work rest of installing on nitrogen gas feeding mechanism of annealing stove (1). The utility model discloses a motor drives the nitrogen gas reposition of redundant personnel storehouse rotatory to make nitrogen gas injection pipe at annealing stove internal rotation, make nitrogen gas even spout into the annealing stove in, better protection alloy steel casting prevents alloy steel casting oxidation. The utility model discloses a work rest can follow the nitrogen gas reposition of redundant personnel storehouse rotatory to can be more even heat the alloy steel foundry goods, improve the annealing effect of alloy steel foundry goods.
Description
Technical Field
The utility model relates to an alloy steel casting equipment field specifically provides an alloy steel foundry goods annealing equipment.
Background
The annealing is an important process in the production process of alloy steel castings, and the main annealing equipment at present is an annealing furnace, wherein the alloy steel castings are placed into the annealing furnace, heat treatment is carried out on the alloy steel castings through the annealing furnace, nitrogen is introduced into the annealing furnace, the alloy steel castings are isolated from oxygen through the nitrogen, and the surface of the alloy steel castings is prevented from being oxidized during the heat treatment. However, in the existing annealing furnace, the concentration of nitrogen is not uniformly distributed in the annealing furnace, so that the alloy steel casting with lower nitrogen concentration is very easy to contact oxygen to be oxidized, and finally the alloy steel casting cannot achieve the effect after annealing.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned defect, provide an alloy steel foundry goods annealing equipment that can make nitrogen gas evenly distributed.
The purpose of the utility model is realized through the following technical scheme: an alloy steel casting annealing device comprises a support frame, an annealing furnace arranged on the support frame, an electric heating net arranged on the inner wall of the annealing furnace, a nitrogen supply device with an air outlet end positioned inside the annealing furnace and an air inlet end extending out of the annealing furnace, and a workpiece frame positioned inside the annealing furnace and arranged on the nitrogen supply device; the nitrogen supply device comprises a gas pipe, a nitrogen flow dividing bin, a plurality of nitrogen injection pipes, a driving device and a nitrogen heating device, wherein the gas outlet end of the gas pipe is positioned in the annealing furnace, and the gas inlet end of the gas pipe extends out of the annealing furnace; the workpiece frame is arranged on the nitrogen shunting bin; the driving device can drive the nitrogen shunting bin to rotate, and the nitrogen injection pipe is provided with a nitrogen injection hole.
Furthermore, the driving device comprises a driven wheel arranged on the gas pipe and a motor arranged on the support frame; the motor is connected with the driven wheel through a belt and drives the gas transmission pipe to rotate.
The nitrogen heating device comprises an outer box, an inner box arranged in the outer box, a heating wire wound on the outer side wall of the inner box, a nitrogen flowing structure arranged in the inner box, a nitrogen input pipe with an air outlet end extending into the outer box and communicated with the inner box, and a nitrogen output pipe with an air inlet end extending into the outer box and communicated with the inner box; and the air outlet end of the nitrogen output pipe is connected with the air inlet end of the air delivery pipe through a rotary joint.
The nitrogen flowing structure comprises a plurality of partition plates which are arranged on two opposite side walls of the inner box in a staggered mode; the length of the partition plates is smaller than the width of the inner box, and a nitrogen channel is formed between every two adjacent partition plates.
The workpiece frame comprises a bottom plate arranged on the nitrogen gas distribution bin, a connecting shaft connected to the bottom plate, and a plurality of workpiece placing discs arranged on the connecting shaft; the workpiece rack can rotate along with the nitrogen shunting bin.
And meshes are uniformly arranged on the workpiece placing plate.
The upper surface in nitrogen gas reposition of redundant personnel storehouse is provided with the lug, the cavity has been seted up to the lower surface of bottom plate, the lug card is gone into in the cavity.
The annealing furnace comprises a furnace body and a furnace cover arranged at the upper end of the furnace body.
Compared with the prior art, the utility model, have following advantage and beneficial effect:
(1) the utility model discloses a motor drives the nitrogen gas reposition of redundant personnel storehouse rotatory to make nitrogen gas injection pipe at annealing stove internal rotation, make nitrogen gas even spout into the annealing stove in, better protection alloy steel casting prevents alloy steel casting oxidation.
(2) The utility model discloses a work rest can follow the nitrogen gas reposition of redundant personnel storehouse rotatory to can be more even heat the alloy steel foundry goods, improve the annealing effect of alloy steel foundry goods.
(3) The utility model discloses nitrogen gas is heated by nitrogen gas heating device before letting in the annealing stove, and in the nitrogen gas after the heating reentered into the annealing stove, consequently can reduce the difference in temperature in nitrogen gas and the annealing stove, the temperature in the nitrogen gas of guaranteeing to get into does not influence the annealing stove, and the effectual furnace temperature that utilizes the annealing stove has improved energy utilization.
Drawings
Fig. 1 is a sectional view of the present invention.
Fig. 2 is a cross-sectional view of the nitrogen heating device of the present invention.
Fig. 3 is a top view of the workpiece placing tray of the present invention.
Fig. 4 is a cross-sectional view of the bottom plate of the present invention.
The reference numbers in the drawings are:
1-annealing furnace, 2-electric heating net, 3-workpiece placing plate, 4-connecting shaft, 5-nitrogen gas injection pipe, 6-lug, 7-bottom plate, 8-nitrogen gas shunt bin, 9-driven wheel, 10-motor, 11-support frame, 12-mesh, 13-nitrogen gas heating device, 14-outer box, 15-nitrogen gas input pipe, 16-partition plate, 17-nitrogen gas channel, 18-inner box, 19-nitrogen gas output pipe, 20-heating wire, 21-rotary joint, 22-cavity, 23-nitrogen gas jet hole, 24-gas pipe.
Detailed Description
The present invention will be described in further detail with reference to examples, but the embodiments of the present invention are not limited thereto.
Examples
As shown in figure 1, the utility model discloses an alloy steel foundry goods annealing equipment, including support frame 11, install the annealing stove 1 on support frame 11, set up the electric heating net 2 on annealing stove 1 inner wall, the end of giving vent to anger is located inside annealing stove 1, the inlet end stretches out the outside nitrogen gas supply device of annealing stove 1 to and be located inside and the work rest of installing on nitrogen gas supply device of annealing stove 1. The electric heating net 2 is connected to an external controller (not shown), and the electric heating net 2 is operated to heat the annealing furnace 1.
The nitrogen supply device comprises a gas conveying pipe 24, a nitrogen flow dividing bin 8, a nitrogen injection pipe 5, a driving device and a nitrogen heating device 13. During specific installation, the end of giving vent to anger of this gas-supply pipe 24 stretches into inside 1 annealing stove, its inlet end then is located 1 outsides of annealing stove, and nitrogen gas reposition of redundant personnel storehouse 8 is installed in the end of giving vent to anger of gas-supply pipe 24 and is linked together with gas-supply pipe 24, and nitrogen gas injection pipe 5 is linked together with nitrogen gas reposition of redundant personnel storehouse 8, and drive arrangement and nitrogen gas heating device 13 are located 1 outsides of annealing stove and are connected with gas-supply pipe 24.
This drive arrangement can drive the gas-supply pipe 24 rotatory, and the gas-supply pipe 24 then can drive nitrogen gas reposition of redundant personnel storehouse 8 rotatory, and this work rest is installed on nitrogen gas reposition of redundant personnel storehouse 8, and the work rest is then followed rotatoryly when nitrogen gas reposition of redundant personnel storehouse 8 is rotatory. The inside in nitrogen gas reposition of redundant personnel storehouse 8 is formed with the cavity, and the quantity of nitrogen gas injection pipe 5 sets up to 4 to every nitrogen gas injection pipe 5 all shunts storehouse 8 with nitrogen gas and links as an organic whole. When the nitrogen spraying device works, nitrogen enters the cavity of the nitrogen shunting bin 8 from the gas conveying pipe 24 and then is shunted to each nitrogen spraying pipe 5 through the cavity; nitrogen gas injection pipe 5 extends to the top for the work rest is located 4 nitrogen gas injection pipe 5's central authorities, every utmost point nitrogen gas injection pipe 5 goes up from top to bottom and is provided with a plurality of nitrogen gas jet orifices 23, and nitrogen gas jet orifice 23 all sets up towards the work rest direction, so, can follow nitrogen gas jet orifice 23 blowout after nitrogen gas enters into nitrogen gas injection pipe 5, because nitrogen gas injection pipe 5 follows nitrogen gas reposition of redundant personnel storehouse 8 rotatory, therefore nitrogen gas can be even distribution inside annealing stove 1, thereby better protection alloy steel casting.
In order to better drive the air pipe 24 to rotate, the driving device comprises a driven wheel 9 arranged on the air pipe 24 and a motor 10 arranged on the supporting frame 11. Specifically, a driving wheel is arranged on the motor 10, and the driving wheel is connected with the driven wheel 9 through a belt; when the motor is started, the belt drives the driven wheel 9 to rotate, so that the air pipe 24 rotates.
The nitrogen heating device 13 is used for heating nitrogen before entering the annealing furnace 1, as shown in fig. 2, the nitrogen heating device 13 comprises an outer box 14, an inner box 18 arranged inside the outer box 14, a heating wire 20 wound on the outer side wall of the inner box 18, a nitrogen flowing structure arranged inside the inner box 18, a nitrogen input pipe 15 with an air outlet end extending into the outer box 14 and communicated with the inner box 18, and a nitrogen output pipe 19 with an air inlet end extending into the outer box 14 and communicated with the inner box 18; the air outlet end of the nitrogen output pipe 19 is connected with the air inlet end of the air pipe 24 through a rotary joint 21.
During operation, nitrogen enters the inner box 18 from the nitrogen input pipe 15, the heating wire 20 heats the inner box 18, and then heats the nitrogen, and the heated nitrogen is input into the gas pipe 24 from the nitrogen output pipe 19. The heating wire 20 is controlled by an external controller (not shown in the figure).
In order to enhance the heating effect of the nitrogen gas, the nitrogen gas flow structure includes a plurality of partitions 16 disposed alternately on opposite sidewalls of the inner case 18. The nitrogen input pipe 15 and the nitrogen output pipe 19 are respectively positioned at two ends of the inner box 18, a nitrogen channel 17 is formed between two adjacent partition plates 16, and the length of each partition plate 16 is smaller than the width of the inner box 18, so that nitrogen can enter the other nitrogen channel 17 from one nitrogen channel 17 through a gap between the partition plates 16 and the inner wall of the inner box 18 until the nitrogen enters the nitrogen output pipe 19, the retention time of the nitrogen in the inner box 18 can be prolonged, and the heating efficiency of the nitrogen is improved.
The workpiece frame comprises a bottom plate 7 arranged on the nitrogen gas diversion bin 8, a connecting shaft 4 connected to the bottom plate 7, and a plurality of workpiece placing discs 3 arranged on the connecting shaft 4; the workpiece holder can rotate along with the nitrogen shunting bin 8. Specifically, as shown in fig. 1 and 4, a convex block 6 is arranged on the upper surface of the nitrogen shunting bin 8, a concave cavity 22 is formed in the lower surface of the bottom plate 7, and the convex block 6 is clamped into the concave cavity 22, so that the workpiece holder and the nitrogen shunting bin 8 are connected together. When the nitrogen shunting bin 8 rotates, the workpiece frame also rotates along with the nitrogen shunting bin, and because the alloy steel casting is placed on the workpiece placing disc 3 during working, and because the nitrogen shunting bin 8 slowly rotates during working, the workpiece frame cannot fall off from the nitrogen shunting bin 8, and the alloy steel casting cannot fall off from the workpiece placing disc 3. When the workpiece frame is lifted upwards, the workpiece frame can be separated from the nitrogen shunting bin 8, so that the workpiece frame can be replaced conveniently.
As shown in fig. 3, the workpiece placing tray 3 is uniformly provided with meshes 12 to improve the heating efficiency of the workpiece. The annealing furnace 1 comprises a furnace body and a furnace cover covering the upper end of the furnace body, and the furnace body can be maintained by opening the furnace cover.
As described above, the present invention can be implemented well.
Claims (8)
1. The annealing equipment for the alloy steel castings is characterized by comprising a support frame (11), an annealing furnace (1) arranged on the support frame (11), an electric heating net (2) arranged on the inner wall of the annealing furnace (1), a nitrogen supply device with an air outlet end positioned inside the annealing furnace (1) and an air inlet end extending out of the annealing furnace (1), and a workpiece frame positioned inside the annealing furnace (1) and arranged on the nitrogen supply device; the nitrogen supply device comprises a gas pipe (24) with a gas outlet end positioned inside the annealing furnace (1) and a gas inlet end extending out of the annealing furnace (1), a nitrogen diversion bin (8) which is arranged at the top end of the gas pipe (24) and is communicated with the gas pipe (24), a plurality of nitrogen injection pipes (5) which are communicated with the nitrogen diversion bin (8), and a driving device and a nitrogen heating device (13) which are positioned outside the annealing furnace (1) and are connected with the gas pipe (24); the workpiece frame is arranged on the nitrogen shunting bin (8); the driving device can drive the nitrogen shunting bin (8) to rotate, and the nitrogen injection pipe (5) is provided with a nitrogen injection hole (23).
2. An alloy steel casting annealing equipment according to claim 1, wherein the driving device comprises a driven wheel (9) installed on the gas pipe (24), and a motor (10) installed on the support frame (11); the motor (10) is connected with the driven wheel (9) through a belt and drives the air conveying pipe (24) to rotate.
3. An alloy steel casting annealing equipment according to claim 2, characterized in that the nitrogen heating device (13) comprises an outer box (14), an inner box (18) arranged inside the outer box (14), a heating wire (20) wound on the outer side wall of the inner box (18), a nitrogen flowing structure arranged inside the inner box (18), a nitrogen inlet pipe (15) with an air outlet end extending into the outer box (14) and communicated with the inner box (18), and a nitrogen outlet pipe (19) with an air inlet end extending into the outer box (14) and communicated with the inner box (18); the air outlet end of the nitrogen output pipe (19) is connected with the air inlet end of the air delivery pipe (24) through a rotary joint (21).
4. An alloy steel casting annealing equipment according to claim 3, wherein said nitrogen flow structure comprises a plurality of partitions (16) staggered on opposite side walls of the inner box (18); the length of the partition plates (16) is smaller than the width of the inner box (18), and a nitrogen channel (17) is formed between every two adjacent partition plates (16).
5. An alloy steel casting annealing equipment according to any one of claims 1 to 4, characterized in that the workpiece holder comprises a bottom plate (7) installed on the nitrogen gas shunt bin (8), a connecting shaft (4) connected to the bottom plate (7), and a plurality of workpiece placing trays (3) arranged on the connecting shaft (4); the workpiece rack can rotate along with the nitrogen shunting bin (8).
6. An annealing apparatus for alloy steel castings according to claim 5, characterized in that said workpiece placing tray (3) is uniformly provided with meshes (12).
7. An alloy steel casting annealing equipment according to claim 6, characterized in that the upper surface of the nitrogen diversion bin (8) is provided with a convex block (6), the lower surface of the bottom plate (7) is provided with a concave cavity (22), and the convex block (6) is clamped into the concave cavity (22).
8. An annealing apparatus for alloy steel castings according to claim 7, characterized in that said annealing furnace (1) comprises a furnace body and a furnace cover provided at an upper end of the furnace body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921867632.2U CN211057158U (en) | 2019-10-31 | 2019-10-31 | Alloy steel casting annealing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921867632.2U CN211057158U (en) | 2019-10-31 | 2019-10-31 | Alloy steel casting annealing equipment |
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| Publication Number | Publication Date |
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| CN211057158U true CN211057158U (en) | 2020-07-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921867632.2U Active CN211057158U (en) | 2019-10-31 | 2019-10-31 | Alloy steel casting annealing equipment |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113201639A (en) * | 2021-04-06 | 2021-08-03 | 燕山大学 | Device for annealing pipe and using method |
| CN113637821A (en) * | 2021-05-22 | 2021-11-12 | 江苏兴海特钢有限公司 | Processing method of nitrogen-containing stainless steel welding material |
| CN114410897A (en) * | 2021-12-31 | 2022-04-29 | 青岛万宝海益达电机有限公司 | Annealing device and driving device and protection method thereof |
| CN115896651A (en) * | 2022-11-16 | 2023-04-04 | 江苏亚太安信达铝业有限公司 | Material storage tool rack for annealing of aluminum alloy materials |
-
2019
- 2019-10-31 CN CN201921867632.2U patent/CN211057158U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113201639A (en) * | 2021-04-06 | 2021-08-03 | 燕山大学 | Device for annealing pipe and using method |
| CN113637821A (en) * | 2021-05-22 | 2021-11-12 | 江苏兴海特钢有限公司 | Processing method of nitrogen-containing stainless steel welding material |
| CN113637821B (en) * | 2021-05-22 | 2022-12-20 | 江苏兴海特钢有限公司 | Processing method of nitrogen-containing stainless steel welding material |
| CN114410897A (en) * | 2021-12-31 | 2022-04-29 | 青岛万宝海益达电机有限公司 | Annealing device and driving device and protection method thereof |
| CN115896651A (en) * | 2022-11-16 | 2023-04-04 | 江苏亚太安信达铝业有限公司 | Material storage tool rack for annealing of aluminum alloy materials |
| CN115896651B (en) * | 2022-11-16 | 2024-03-29 | 江苏亚太安信达铝业有限公司 | Storage tool frame for annealing aluminum alloy material |
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