Oxygen isolation carrier for quenching

Abstract

The utility model discloses an oxygen isolation carrier for quenching, which relates to the technical field of quenching processing, and comprises a bottom frame, four upright posts distributed in a rectangular shape are fixedly arranged on the upper surface of the bottom frame, a plurality of carrier plates are arranged above the bottom frame, and the carrier plates are positioned among the four upright posts; the oxygen isolation carrier comprises a carrier plate, aluminum foil paper is detachably arranged on the upper surface of the carrier plate, clamping rings are symmetrically and fixedly arranged on the two sides of the carrier plate, the clamping rings are movably arranged on the corresponding stand columns in a sleeving mode, a plurality of gaskets are movably connected to the outer surfaces of the stand columns in a sleeving mode, and the gaskets are located under the corresponding clamping rings. According to the carrier, the distance between the carrier plates can be adjusted through the multiple carrier plate structures which can be mounted and dismounted according to actual requirements, workpieces of different heights can be adapted, the universality and practicability of the carrier are improved, the carrier plates are covered with aluminum-foil paper, contact of trace oxygen can be further reduced, and color spots on the surfaces of products are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to quenching processing technical field, concretely to a oxygen -proof carrier for quenching. BACKGROUND

[0002] The oxygen -proof carrier prevents the workpiece from excessive contact with oxygen during heating and cooling, and the metal workpiece usually needs to be treated at high temperature and then rapidly cooled to change its material performance during quenching, if the workpiece contacts with a large amount of oxygen during the process, oxidation reaction may occur, and an oxide layer is formed on the surface of the workpiece, which will affect the quality of the workpiece, such as dimensional accuracy, surface hardness and internal structure.

[0003] However, the prior art still has the following problems:

[0004] Firstly, the oxygen -proof carrier for quenching of the prior art is usually inconvenient to adjust, and most of them adopt fixed structure design, which will lead to the inability to flexibly change according to the actual demand of the workpiece, and for large workpieces, the size of the carrier plate may be fixed and cannot be placed, and special size carriers need to be specially customized, increasing the cost and production cycle.

[0005] Secondly, although the vacuum furnace can extract vacuum and fill nitrogen inside during quenching, the actual vacuum degree is not complete vacuum, and there will still be some oxygen inside, and when some products are quenched, there will be color spots on the surface of the products after quenching, affecting the quality of the products.

[0006] In view of the above problems, the inventors propose an oxygen -proof carrier for quenching to solve the above problems. CONTENT OF THE UTILITY MODEL

[0007] In order to solve the problems of inconvenient adjustment of the oxygen -proof carrier for quenching and color spots on the surface of the quenched products, the purpose of the utility model is to provide an oxygen -proof carrier for quenching.

[0008] In order to solve the above technical problems, the utility model adopts the following technical scheme: an oxygen -proof carrier for quenching, comprising a bottom frame, the upper surface of the bottom frame is fixedly provided with four rectangularly distributed stand columns, a plurality of carrier plates are arranged above the bottom frame, and the carrier plates are located between the four stand columns, the upper surface of the carrier plate is detachably provided with aluminum foil paper, a clasp is fixedly arranged on the both sides of the carrier plate, and the clasp is movably sleeved on the corresponding stand column, a plurality of washers are movably sleeved on the outer surface of the stand column, and the washers are located directly below the corresponding clasp, a clamping groove is symmetrically formed on the outer surface of the stand column, and a clamping block is fixedly arranged in the clamping groove.

[0009] Preferably, the two sides of the aluminum foil paper are symmetrically provided with end portions, the two sides of the carrier plate are symmetrically and fixedly provided with L-shaped plates, the end portions are located on the corresponding L-shaped plates, a lead screw is threadedly penetrated and connected on the L-shaped plate, a knob is fixedly arranged on the end of the lead screw away from the carrier plate, and a moving plate is rotatably arranged on the end of the lead screw close to the carrier plate.

[0010] Compared with the prior art, the utility model has the advantages that:

[0011] 1、The utility model discloses a plurality of carrier plate structures can be installed and disassembled according to actual demand, and different sizes and quantities of workpieces can be conveniently placed, the spacing between the carrier plates can be adjusted through the snap ring, the clamping groove and the washer, different height workpieces can be adapted, and the versatility and practicality of the carrier are improved.

[0012] 2、The setting of the aluminum foil paper can effectively isolate oxygen, reduce oxidation of the workpiece during quenching heating and cooling, improve the quenching quality of the workpiece, further reduce the contact of trace oxygen and reduce the surface color spots of the product. ACCURACY

[0013] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creating labor.

[0014] Figure 1 It is a whole structure schematic view of the utility model.

[0015] Figure 2 It is an explosion view of one of the carrier plates and part of the structure of the utility model.

[0016] Figure 3 It is the utility model Figure 2 It is an enlarged schematic view of the structure at A in the utility model.

[0017] Figure 4 It is an explosion view of one of the columns and part of the related structure of the utility model.

[0018] Figure 5 It is a sectional structure schematic view of the snap ring and the washer of the utility model.

[0019] In the drawing: 1, bottom frame; 11, reinforcing rod; 2, column; 21, clamping groove; 3, carrier plate; 31, aluminum foil paper; 311, end portion; 32, snap ring; 33, clamping block; 4, washer; 41, column groove; 42, positioning column; 5, L-shaped plate; 51, lead screw; 52, knob; 53, moving plate; 54, anti-skid pad; 55, limiting column. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Example: Figures 1-5 As shown, this utility model provides an oxygen-barrier carrier for quenching, including a base frame 1. Several reinforcing rods 11 are fixedly arranged inside the base frame 1, and these reinforcing rods 11 are evenly spaced, enhancing the strength of the base frame 1. Four rectangularly arranged columns 2 are fixedly arranged on the upper surface of the base frame 1. Several carrier plates 3 are arranged above the base frame 1. The carrier plates 3 have a honeycomb structure, which reduces weight and saves materials while providing good heat exchange performance. The carrier plates 3 are located between the four columns 2. Aluminum foil 31 is detachably provided on the upper surface of the carrier plates 3. Clamping rings 32 are symmetrically fixed on both sides of the carrier plates 3. Four clamping rings 32 are located on one of the carrier plates 3, and the four clamping rings 32 are rectangularly arranged. The clamping rings 32 are movably sleeved on the corresponding columns 2. Several washers 4 are movably sleeved on the outer surface of the columns 2, and the washers 4 are located directly below the corresponding clamping rings 32. The outer surface of the columns 2 has symmetrically formed grooves 2. 1. Both the retaining ring 32 and the washer 4 are symmetrically fixed with retaining blocks 33, which are engaged in the corresponding slots 21. The lower surfaces of the washer 4 and the retaining ring 32 are symmetrically provided with column grooves 41. The upper surface of the washer 4 is symmetrically fixed with positioning posts 42, which are inserted into the corresponding column grooves 41. The carrier plate 3 is fitted onto the column 2 by the retaining rings 32 on both sides, and the retaining blocks 33 in the retaining rings 32 are engaged in the slots 21 on the outer surface of the column 2. This can stably position the carrier plate 3 on the column 2 and prevent the carrier plate 3 from rotating or shifting laterally. The washer 4 is also fitted onto the column 2 by its retaining blocks 33 being engaged in the slots 21. The positioning posts 42 on the washer 4 are inserted into the column grooves 41 on the lower surface of the retaining ring 32. This allows the washer 4 and the retaining ring 32 to be positioned against each other, ensuring a stable distance between the carrier plates 3. Multiple carrier plates 3 can be flexibly installed according to the number and size of the workpieces to adapt to different quenching requirements.

[0022] Two sides of the aluminum foil paper 31 are symmetrically provided with end portions 311, and the two sides of the carrier plate 3 are symmetrically and fixedly provided with L-shaped plates 5, the end portions 311 are located on the corresponding L-shaped plates 5, the L-shaped plates 5 are threadedly connected with lead screws 51, one end of the lead screw 51 away from the carrier plate 3 is fixedly provided with a knob 52, one end of the lead screw 51 close to the carrier plate 3 is rotatably provided with a moving plate 53, one side of the moving plate 53 close to the carrier plate 3 is fixedly provided with a non-slip pad 54, and the non-slip pad 54 is movably attached to the corresponding end portion 311, first, the aluminum foil paper 31 is laid on the carrier plate 3, the aluminum foil paper plays a role of oxygen isolation, then the workpiece to be quenched is placed on the aluminum foil paper, the knob 52 drives the lead screw 51 to rotate by rotating the knob 52, since the lead screw 51 is threadedly connected with the L-shaped plate 5, the lead screw 51 pushes the moving plate 53 to move close to the carrier plate 3, and the non-slip pad 54 on the moving plate 53 presses the end portion 311 of the aluminum foil paper 31, so that the aluminum foil paper is fixed on the carrier plate 3, preventing the aluminum foil paper from moving in the quenching process, and thus ensuring the oxygen isolation effect.

[0023] The side of the moving plate 53 away from the carrier plate 3 is symmetrically and fixedly provided with limiting columns 55, and the limiting columns 55 penetrate through the corresponding L-shaped plates 5, the limiting columns 55 limit the movement of the moving plate 53, and the fixing stability of the aluminum foil paper 31 is improved.

[0024] Working principle: first, the aluminum foil paper 31 is laid on the carrier plate 3, the aluminum foil paper plays a role of oxygen isolation, then the workpiece to be quenched is placed on the aluminum foil paper, the knob 52 drives the lead screw 51 to rotate by rotating the knob 52, since the lead screw 51 is threadedly connected with the L-shaped plate 5, the lead screw 51 pushes the moving plate 53 to move close to the carrier plate 3, and the non-slip pad 54 on the moving plate 53 presses the end portion 311 of the aluminum foil paper 31, so that the aluminum foil paper is fixed on the carrier plate 3, preventing the aluminum foil paper from moving in the quenching process, and thus ensuring the oxygen isolation effect;

[0025] The carrier plate 3 is sleeved on the stand column 2 through the clamping rings 32 on the two sides of the carrier plate 3, and the clamping blocks 33 in the clamping rings 32 are clamped into the clamping grooves 21 on the outer surface of the stand column 2, so that the carrier plate 3 can be stably positioned on the stand column 2, preventing the carrier plate 3 from rotating or transversely deviating, the gaskets 4 are also sleeved on the stand column 2 through the clamping blocks 33 clamped into the clamping grooves 21, and the positioning columns 42 on the gaskets 4 are inserted into the column grooves 41 on the lower surfaces of the clamping rings 32, so that the gaskets 4 and the clamping rings 32 can be positioned relative to each other, ensuring the stability of the spacing between the carrier plates 3, and a plurality of carrier plates 3 can be flexibly installed according to the number and size of the workpieces to adapt to different quenching requirements;

[0026] After the oxygen isolation carrier with the workpiece is assembled, the whole is put into the quenching furnace for heating, since the aluminum foil paper has the oxygen isolation effect, the workpiece is isolated from oxygen during heating, reducing oxidation. After being heated to a specified temperature, the carrier is transferred to a quenching medium for cooling, and in the whole quenching process, the carrier can effectively protect the workpiece from being affected by oxygen, ensuring the quenching quality.

[0027] It will be apparent to those skilled in the art that various modifications and variations can be made to the present application without departing from the spirit or scope of the application. Thus, it is intended that the present application cover modifications and variations of this application provided they come within the scope of the appended claims and their equivalents.

Claims

1. A quenching oxygen-barrier carrier, comprising a base frame (1), characterized in that: The upper surface of the base frame (1) is fixed with four rectangular columns (2). Several carrier plates (3) are provided above the base frame (1) and the carrier plates (3) are located between the four columns (2). The upper surface of the carrier plate (3) is detachably provided with aluminum foil (31). The two sides of the carrier plate (3) are symmetrically fixed with retaining rings (32) and the retaining rings (32) are movably sleeved on the corresponding columns (2). Several washers (4) are movably sleeved on the outer surface of the column (2) and the washers (4) are located directly below the corresponding retaining rings (32).

2. The oxygen-barrier carrier for quenching as described in claim 1, characterized in that: The aluminum foil (31) has symmetrical end pieces (311) on both sides. The carrier plate (3) has symmetrical L-shaped plates (5) fixed on both sides. The end pieces (311) are located on the corresponding L-shaped plates (5). A lead screw (51) is threaded through the L-shaped plate (5). A knob (52) is fixed at the end of the lead screw (51) away from the carrier plate (3). A movable plate (53) is rotatably provided at the end of the lead screw (51) close to the carrier plate (3).

3. The oxygen-barrier carrier for quenching as described in claim 1, characterized in that: The bottom frame (1) is fixed with several reinforcing rods (11), and the several reinforcing rods (11) are distributed at equal intervals.

4. The oxygen-barrier carrier for quenching as described in claim 1, characterized in that: Four retaining rings (32) are provided on one of the carrier plates (3), and the four retaining rings (32) are arranged in a rectangular shape.

5. The oxygen-barrier carrier for quenching as described in claim 1, characterized in that: The outer surface of the column (2) is symmetrically provided with slots (21), and the retaining ring (32) and the washer (4) are symmetrically fixed with blocks (33), and the blocks (33) are locked in the corresponding slots (21).

6. The oxygen-barrier carrier for quenching as described in claim 1, characterized in that: The lower surfaces of the washer (4) and the retaining ring (32) are symmetrically provided with column grooves (41), and the upper surface of the washer (4) is symmetrically fixed with positioning columns (42), and the positioning columns (42) are inserted into the corresponding column grooves (41).

7. The oxygen-barrier carrier for quenching as described in claim 2, characterized in that: The movable plate (53) is fixedly provided with an anti-slip pad (54) on the side near the carrier plate (3), and the anti-slip pad (54) is movably attached to the corresponding end (311).

8. The oxygen-barrier carrier for quenching as described in claim 2, characterized in that: The movable plate (53) is symmetrically fixed with limiting posts (55) on the side away from the carrier plate (3), and the limiting posts (55) penetrate the corresponding L-shaped plate (5).

Images