Source end glove box

Abstract

The utility model discloses a source end glove box, which belongs to the field of vertical vacuum furnaces and comprises a box body, a cavity is arranged in the box body, side plates are fixedly mounted on two side surfaces of the box body, and a top protective plate and a bottom protective plate are fixedly mounted on the upper end surface and the lower end surface of the box body respectively. According to the source end glove box, wrapped materials are placed on the material frame storage rack in the feeding cavity by opening the front door, and a low-oxygen environment in the glove box is created; the two hands of an operator are inserted into glove holes formed in the front door and carry gloves to unpack the outer part of the material, and the material frame storage rack is driven to lift through the lifting mechanism and is matched with the reaction cavity to carry out sintering and quenching processes; therefore, the whole technological process is kept in a low-oxygen environment, materials are convenient to take and use, the situation that the precision magnetic material is directly exposed in the atmosphere, consequently, the performance of the precision magnetic material is affected is avoided, and the machining technological quality of the precision magnetic material is improved.

Description

Technical Field

[0001] The utility model belongs to the field of vertical vacuum sintering furnaces, and in particular relates to a source end glove box. Background Art

[0002] The vacuum induction sintering furnace is a complete set of equipment that uses the principle of medium-frequency induction heating to sinter cemented carbide tool heads and various metal powder compacts under vacuum or protective atmosphere conditions. It is designed for the industrial production of cemented carbide, metal dysprosium, and ceramic materials.

[0003] The vertical double-chamber vacuum sintering furnace is mainly used for sintering, quenching and heat treatment of precision magnetic materials such as NdFeB and SmCo. Similar products currently produced in the industry are usually not equipped with glove boxes, which is inconvenient for taking and placing precision magnetic materials, resulting in the precision magnetic materials being easily exposed to the atmosphere, affecting the performance of the precision magnetic materials and reducing the quality of the processing technology. In this regard, a source-end glove box is proposed for improvement. Utility Model Content

[0004] In response to one or more of the above defects or improvement needs in the prior art, the utility model provides a source-end glove box, which has the advantages of keeping the entire process in a low-oxygen environment while facilitating the access to materials.

[0005] To achieve the above-mentioned purpose, the utility model provides a source end glove box, comprising a box body, the box body has a cavity and a side plate is fixedly installed on both sides, the upper end face and the lower end face of the box body are respectively fixedly installed with a top guard plate and a bottom guard plate, the front end face and the rear end face of the box body are respectively provided with a front door and a rear door, and a feeding panel is installed on the rear door;

[0006] The upper surface pipeline of the top guard plate is connected to an air filling port, and the bottom of the bottom guard plate is fixedly installed with a support frame;

[0007] A collecting chamber is provided in the cavity of the box body, a feeding chamber is embedded in the collecting chamber, a reaction chamber is connected through the top of the feeding chamber, and a material frame rack is movably provided inside the feeding chamber;

[0008] During the sintering and quenching process, the wrapped material is placed on the upper end surface of the material frame shelf, and nitrogen is introduced from the inflation port after the front door is closed to create a low-oxygen environment, thereby preventing the material from contacting with oxygen in the atmosphere and affecting the material properties.

[0009] As a further improvement of the utility model, a one-way inflation valve is fixedly installed at the end of the inflation port, and nitrogen is filled into the glove box through the one-way inflation valve and the inflation port after the materials are placed.

[0010] As a further improvement of the utility model, there is a gap between the upper end surface of the support frame and the bottom guard plate, and an oxygen analyzer is fixedly installed in the gap. The oxygen analyzer is connected to the inner cavity of the glove box through a pipeline and is used to detect the oxygen content in the inner cavity of the glove box.

[0011] As a further improvement of the utility model, two latch clips are installed on the sides of one of the side panels and the opening and closing of the front door are controlled by the latch clips, and sealing rings are provided on the edges of the inner facades of the front door and the rear door.

[0012] As a further improvement of the utility model, the opening on the outer facade of the front door is provided with three glove holes and three rubber gloves are installed.

[0013] As a further improvement of the present invention, a lifting mechanism is provided on the inner side wall of the feeding chamber, and the lifting mechanism drives the material frame rack to lift and lower in the vertical direction. The material frame rack is adapted to the bottom caliber of the reaction chamber and the side walls of the material frame rack are provided with sealing gaskets to fit the inner wall of the reaction chamber.

[0014] In general, compared with the prior art, the above technical solutions conceived by the utility model have the following beneficial effects:

[0015] The source-end glove box of the utility model opens the front door to place the wrapped materials on the material frame storage rack in the feeding chamber, then closes the front door and introduces nitrogen into the glove box through the inflation port and the one-way ventilation valve at the end of the inflation port, so as to create a low-oxygen environment inside the glove box; the operator inserts both hands into the glove holes opened on the front door and puts on gloves to dismantle the outer packaging of the materials, and drives the material frame storage rack to be lifted and lowered by the lifting mechanism, and cooperates with the reaction chamber to carry out sintering and quenching processes; thereby keeping the entire process in a low-oxygen environment while facilitating the use of materials, avoiding direct exposure of precision magnetic materials to the atmosphere, which affects the performance of the precision magnetic materials, and improving the processing quality of the precision magnetic materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the side cross-sectional structure of the utility model.

[0018] In all the drawings, the same figure marks represent the same technical features, specifically: 1. Box body; 2. Side panel; 3. Top guard plate; 4. Bottom guard plate; 5. Front door; 6. Rear door; 7. Inflation port; 8. Support frame; 9. Oxygen analyzer; 10. Latch clip; 11. Feed panel; 12. Feed chamber; 13. Reaction chamber; 14. Collection chamber; 15. Lifting mechanism; 16. Material frame rack. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] Example

[0021] Depend on Figure 1-2 A source end glove box is provided, comprising a box body 1, the box body 1 has a cavity inside and a side plate 2 is fixedly installed on both sides, a top guard plate 3 and a bottom guard plate 4 are fixedly installed on the upper end surface and the lower end surface of the box body 1, respectively, a front door 5 and a rear door 6 are respectively provided on the front end surface and the rear end surface of the box body 1, and a feeding panel 11 is installed on the rear door 6;

[0022] The top end surface of the top guard plate 3 is connected to an air inlet 7 by a pipeline, and the bottom of the bottom guard plate 4 is fixedly mounted with a support frame 8;

[0023] A collecting chamber 14 is provided in the cavity of the box body 1, a feeding chamber 12 is embedded in the collecting chamber 14, a reaction chamber 13 is connected to the top of the feeding chamber 12, and a material frame rack 16 is movably provided inside;

[0024] During the sintering and quenching process, the wrapped materials are placed on the upper end surface of the material frame shelf 16, and nitrogen is introduced from the inflation port 7 after the front door 5 is closed to create a low-oxygen environment to prevent the materials from contacting with oxygen in the atmosphere and affecting the material properties.

[0025] In this embodiment, the front door 5 is opened to place the wrapped material on the material frame rack 16 in the feeding chamber 12, and then the front door 5 is closed and nitrogen is introduced into the glove box through the inflation port 7 and the one-way ventilation valve at the end of the inflation port 7 to create a low-oxygen environment inside the glove box; the operator inserts both hands into the glove holes opened on the front door 5 and puts on gloves to unwrap the outer packaging of the material, and drives the material frame rack 16 to be lifted and lowered by the lifting mechanism 15, and cooperates with the reaction chamber 13 to carry out sintering and quenching processes.

[0026] Specifically, refer to Figure 1-2 A one-way inflation valve is fixedly installed at the end of the inflation port 7, and nitrogen is filled into the glove box through the one-way inflation valve and the inflation port 7 after the materials are placed.

[0027] In this embodiment, a charging port 7 is provided to inject nitrogen into the glove box from the outside, and a one-way charging valve is used to maintain the unidirectional nature of nitrogen injection to prevent nitrogen from flowing back from the charging port 7, so that the nitrogen content in the glove box is maintained sufficient to create a low-oxygen environment.

[0028] Specifically, refer to Figure 1-2 There is a gap between the upper end surface of the support frame 8 and the bottom guard plate 4, and an oxygen analyzer 9 is fixedly installed in the gap. The oxygen analyzer 9 is connected to the inner cavity of the glove box through a pipeline and is used to detect the oxygen content in the inner cavity of the glove box.

[0029] In this embodiment, an oxygen analyzer 9 is installed between the support frame 8 and the gap between the bottom guard plate 4, and the oxygen analyzer 9 is connected to the inner cavity of the glove box by a pipeline to detect the oxygen content in the inner cavity of the glove box. Therefore, materials can be taken in and out after the oxygen content in the glove box reaches a specified range to prevent the materials from reacting with oxygen and affecting the material properties.

[0030] Specifically, refer to Figure 1-2 Two latch clips 10 are installed on the side of one side panel 2, and the opening and closing of the front door 5 is controlled by the latch clips 10. Sealing rings are provided at the edges of the inner facades of the front door 5 and the rear door 6.

[0031] In this embodiment, a latch clip 10 is provided to control the opening of the front door 5, and sealing rings are provided at the edges of the inner facades of the front door 5 and the rear door 6 to maintain the sealing of the glove box, thereby preventing the nitrogen in the glove box from leaking and exchanging gas with the outside of the glove box, thereby affecting the oxygen content in the glove box and affecting the stability of the low-oxygen environment.

[0032] Specifically, refer to Figure 1-2 The front door 5 is opened on the outer surface with three glove holes and three rubber gloves are installed.

[0033] In this embodiment, three glove holes are opened on the outer facade of the front door 5 and three rubber gloves are installed, so that the operator can insert both hands into the gloves from the outside to perform subsequent operations on the materials in the glove box, so as to remove the external wrapping of the materials and facilitate the subsequent sintering and quenching processes.

[0034] Specifically, refer to Figure 1-2 A lifting mechanism 15 is provided on an inner wall of the feeding chamber 12, and the lifting mechanism 15 drives the material frame rack 16 to lift in the vertical direction. The material frame rack 16 is adapted to the bottom diameter of the reaction chamber 13, and the side walls of the material frame rack 16 are provided with sealing gaskets to fit the inner wall of the reaction chamber 13.

[0035] In this embodiment, a lifting mechanism 15 is provided to drive the material frame rack 16 to be lifted and lowered in the vertical direction, thereby driving the material placed on the material frame rack 16 to be lifted and lowered synchronously, and then the material is sent into the reaction chamber 13 for sintering and quenching processes; and the material frame rack 16 is provided to be compatible with the bottom diameter of the reaction chamber 13, and the side walls of the material frame rack 16 are provided with sealing gaskets to fit the inner wall of the reaction chamber 13, thereby improving the sealing effect during the sintering and quenching processes in the reaction chamber 13.

[0036] Working principle:

[0037] In the source-end glove box of the utility model, when the process starts to discharge materials, the latch clip 10 installed on the glove box body 1 is opened, the front door 5 of the glove box is opened, the glove box is connected to the feeding chamber 12 through the rear door 6, the wrapped materials are placed on the material frame storage rack 16 in the feeding chamber 12, and then the front door 5 is closed and nitrogen is introduced into the glove box through the inflation port 7 and the one-way vent valve at the end of the inflation port 7 to create a low-oxygen environment inside the glove box; and after the oxygen analyzer 9 detects that the low-oxygen requirement is met, the operator inserts both hands into the opening on the front door 5 The sintering process is carried out by inserting the gloves into the glove hole and putting on gloves to unpack the outer package of the material, placing the processed material on the material frame rack 16, and then starting the lifting mechanism 15 in the feeding chamber 12 to perform the lifting operation, driving the material frame rack 16 to rise to the reaction chamber 13 for the sintering process; after the process is completed, the lifting mechanism 15 is driven to perform the descending operation, driving the material frame rack 16 to descend to the original position, and after the material is cooled, gloves are put on to further process the material; thereby, the entire process is ensured to be carried out in a low-oxygen environment to avoid contact with the atmosphere, thereby maintaining the performance of the material.

[0038] Although the 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 source end glove box, characterized in that: include: A box body (1), the box body (1) has a cavity inside and a side plate (2) is fixedly installed on both sides, a top guard plate (3) and a bottom guard plate (4) are fixedly installed on the upper end surface and the lower end surface of the box body (1), a front door (5) and a rear door (6) are respectively provided on the front end surface and the rear end surface of the box body (1), and a feeding panel (11) is installed on the rear door (6); The upper end surface pipeline of the top guard plate (3) is connected to an air charging port (7), and the bottom of the bottom guard plate (4) is fixedly mounted with a support frame (8); A collecting chamber (14) is provided in the cavity of the box body (1), a feeding chamber (12) is embedded in the collecting chamber (14), a reaction chamber (13) is connected through the top of the feeding chamber (12), and a material frame storage rack (16) is movably provided inside.

2. The source end glove box according to claim 1, characterized in that: A one-way inflation valve is fixedly mounted at the end of the inflation port (7), and after the materials are placed, nitrogen is filled into the glove box through the one-way inflation valve and the inflation port (7) to create a low-oxygen environment.

3. The source end glove box according to claim 1, characterized in that: A gap is provided between the upper end surface of the support frame (8) and the bottom guard plate (4), and an oxygen analyzer (9) is fixedly installed in the gap. The oxygen analyzer (9) is connected to the inner cavity of the glove box via a pipeline and is used to detect the oxygen content in the inner cavity of the glove box.

4. The source end glove box according to claim 1, characterized in that: Two latch clips (10) are installed on the sides of one of the side panels (2) and the opening and closing of the front door (5) are controlled by the latch clips (10). Sealing rings are provided at the edges of the inner facades of the front door (5) and the rear door (6).

5. The source end glove box according to claim 1, characterized in that: The outer surface opening of the front door (5) is provided with three glove holes and three rubber gloves are installed.

6. The source end glove box according to claim 1, characterized in that: A lifting mechanism (15) is arranged on the inner side wall of the feeding chamber (12), and the lifting mechanism (15) drives the material frame storage rack (16) to be lifted and lowered in the vertical direction. The material frame storage rack (16) is adapted to the bottom caliber of the reaction chamber (13), and the side walls of the material frame storage rack (16) are provided with sealing gaskets to fit the inner wall of the reaction chamber (13).

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