Vacuum heat treatment tool for locking cup

Abstract

The utility model provides a vacuum heat treatment tool for a locking cup. The vacuum heat treatment tool comprises a bottom layer frame, stand columns, a top layer frame, a middle layer frame, bearing wires and sleeves. The stand columns are arranged on the bottom-layer frame, the top-layer frame and the middle-layer frame are arranged on the stand columns at intervals from top to bottom, bearing wires are arranged between the opposite side walls of the top-layer frame and between the opposite side walls of the middle-layer frame, the sleeves are arranged on the bearing wires, and the sleeves are used for storing locking cups. A space for placing the sleeve is formed between the two layers of bearing wires; the middle-layer frames and the top-layer frames are detachably installed on the stand columns, the number of the middle-layer frames can be adjusted according to the number of the locking cups, universality is high, assembling is convenient, the sleeves can protect the locking cups, the mechanical performance of the locking cups can be kept during heat treatment, meanwhile, it is guaranteed that the locking cups are placed stably in the heat treatment process, and the service life of the locking cups is prolonged. And the quality of the locking cup after heat treatment is improved.

Description

Technical Field

[0001] The present application belongs to the field of heat treatment technology, and specifically relates to a locking cup vacuum heat treatment tooling. Background Art

[0002] The locking cup of the nuclear main pump suction duct cap screw is made of 304 type austenitic stainless steel, with the thinnest wall thickness of 0.63mm and the side wall thickness of 0.72mm. According to the requirements, the locking cup needs to be solution treated at a temperature above 1066℃ after processing to eliminate work hardening and ensure the bright color of the metal. The heat treatment method of vacuum gas quenching can ensure that the locking cup maintains the bright color of the metal, but during the air cooling process, due to the small size and light weight of the locking cup, it is easy to be blown away by nitrogen and hit the furnace body, affecting the quality of the locking cup and even damaging the furnace body. Utility Model Content

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art or related technology.

[0004] In order to solve the above problems, the present application provides a locking cup vacuum heat treatment tooling, including: a bottom frame, a column, a top frame, a middle frame, a load-bearing wire and a sleeve;

[0005] The column is arranged on the bottom frame, the top frame and the middle frame are arranged on the column from top to bottom, and a load-bearing wire is arranged between the opposite side walls of the top frame and between the opposite side walls of the middle frame. The sleeve is arranged on the load-bearing wire, and the sleeve is used to store the locking cup. There is a space for placing the sleeve between the two layers of the load-bearing wire.

[0006] Optionally, a plurality of air holes are provided at the bottom of the sleeve.

[0007] Optionally, the sleeve is detachably disposed on the supporting wire.

[0008] Optionally, the sleeve is provided with a hanging hole through which the load-bearing wire can pass.

[0009] Optionally, a first clamping plate is further included, a plurality of first clamping holes are opened on the column, and the first clamping plate is arranged in the first clamping holes to support the middle frame.

[0010] Optionally, a second clamping plate is further included. A second clamping plate is provided on the column. The second clamping plate is arranged in the second clamping hole and located on both sides of the top frame for fixing the top frame.

[0011] Optionally, a first mounting hole is opened at a corresponding position of the side wall relative to the top frame, and a second mounting hole is opened at a corresponding position of the side wall relative to the middle frame. The load-bearing wire is connected to the top frame through the first mounting hole, and the load-bearing wire is connected to the middle frame through the second mounting hole.

[0012] Optionally, the top frame is provided with hanging ears.

[0013] Optionally, the number of the columns is four, and fixing grooves are provided at the four corners of the bottom frame, and the columns are snap-connected in the fixing grooves.

[0014] Optionally, a limiting plate is further included, the fixing groove is an inverted T-shaped structure, the limiting plate is arranged at the bottom of the column, and the bottom of the column and the limiting plate are arranged in the fixing groove.

[0015] Beneficial Effects

[0016] A locking cup vacuum heat treatment tooling provided in the embodiment of the utility model has a middle frame and a top frame which are detachably mounted on a column. The number of middle frames can be adjusted according to the number of locking cups. The tooling has strong versatility and is easy to assemble. The sleeve can protect the locking cup. While maintaining the mechanical properties of the locking cup during heat treatment, the locking cup can be stably placed during the heat treatment, thereby improving the quality of the locking cup after heat treatment. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a structural diagram of the vacuum heat treatment tooling for the locking cup of the utility model;

[0018] Figure 2 The utility model is a vacuum heat treatment tool for locking cups Figure 1 Structure diagram at A in the middle;

[0019] Figure 3 This is a sleeve structure diagram of the vacuum heat treatment tooling for the locking cup of the utility model;

[0020] Figure 4 This is a structural diagram of the sleeve bottom of the vacuum heat treatment tooling for the locking cup of the utility model;

[0021] Figure 5 This is a structural diagram of the interior of the sleeve after the locking cup of the vacuum heat treatment tooling for the locking cup of the utility model is placed therein;

[0022] Figure 6 This is a top frame structure diagram of the vacuum heat treatment tooling for the locking cup of the utility model;

[0023] Figure 7 This is a middle frame structure diagram of the vacuum heat treatment tooling for the locking cup of the utility model;

[0024] Figure 8 This is a bottom frame structure diagram of the vacuum heat treatment tooling for the locking cup of the utility model;

[0025] Fig. 9 This is a cross-sectional structural diagram of the bottom frame of the vacuum heat treatment tooling for the locking cup of the utility model;

[0026] Fig.10 This is a structural diagram of the connection between the column and the limit plate of the vacuum heat treatment tooling of the locking cup of the utility model.

[0027] The reference numerals are:

[0028] 1. Bottom frame; 2. Vertical column; 3. Top frame; 4. Middle frame; 5. Load-bearing wire; 6. Sleeve; 7. Air hole; 8. Hanging hole; 9. First clamping plate; 10. Second clamping plate; 11. First mounting hole; 12. Second mounting hole; 13. Hanging ear; 14. Limiting plate. DETAILED DESCRIPTION

[0029] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0030] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0031] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0032] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0033] See also Figure 1-10 As shown, according to an embodiment of the present application, a locking cup vacuum heat treatment tool is provided, comprising: a bottom frame 1, a column 2, a top frame 3, a middle frame 4, a load-bearing wire 5 and a sleeve 6;

[0034] The column 2 is arranged on the bottom frame 1, and the top frame 3 and the middle frame 4 are arranged on the column 2 from top to bottom. A supporting wire 5 is arranged between the opposite side walls of the top frame 3 and between the opposite side walls of the middle frame 4. The sleeve 6 is arranged on the supporting wire 5. The sleeve 6 is used to store the locking cup, and there is space for placing the sleeve 6 between the two layers of the supporting wire 5.

[0035] Specifically, the locking cup that needs to be heat treated can be placed in the sleeve 6, and the sleeve 6 can protect the locking cup from the outside during the heat treatment to prevent it from being blown away by nitrogen during the heat treatment, causing damage to the locking cup and the vacuum furnace. Multiple sleeves 6 can be placed on each load-bearing wire 5 to fix multiple locking cups, and then the two ends of the load-bearing wire 5 are respectively fixed between the opposite side walls of the middle frame 4 and the top frame 3. In this way, by adjusting the number of middle frames 4, different numbers of locking cups can be fixed, and the operation is convenient; before heat treatment, the column 2 is installed on the bottom frame 1, and the bottom frame 1 can fix the column 2. The middle frame 4 and the top frame 3 are installed on the column 2 in sequence from bottom to top. There is space for placing the sleeve 6 between the upper and lower layers of the load-bearing wire 5. After installation, it is moved into a vacuum furnace for heat treatment. At this time, locking cups to be heat treated are placed on the middle frame 4 and the top frame 3, which can protect and fix the locking cups, improve the quality of the locking cups after production, and through flexible assembly, it can meet the protection of different numbers of locking cups. It has strong versatility and is more convenient to operate.

[0036] Among them, after the middle frame 4 and the top frame 3 are installed, there is space for placing the sleeve 6 between each upper and lower layers of load-bearing wires 5. When the upper and lower layers of load-bearing wires 5 are arranged correspondingly, the distance between the upper and lower layers of load-bearing wires 5 is not less than the height of the sleeve 6, so that the sleeve 6 can be placed; at the same time, the upper and lower layers of load-bearing wires 5 can also be arranged alternately. At this time, the width between the load-bearing wires 5 in the same layer is not less than the diameter of the sleeve 6, which meets the requirements for placing the sleeve 6 during heat treatment.

[0037] Among them, the inner diameter of the sleeve 6 is larger than the outer diameter of the locking cup, which is convenient for placing the locking cup into the sleeve 6 before heat treatment and also convenient for taking the locking cup out of the sleeve 6 after heat treatment.

[0038] There are at least two columns 2, which can provide more stable support for the middle frame 4 and the top frame 3 after installation.

[0039] The load-bearing wire 5 is a steel wire.

[0040] The bottom of the sleeve 6 is provided with a plurality of air holes 7 .

[0041] Specifically, a plurality of air holes 7 are provided at the bottom of each sleeve 6 to improve the flow of gas inside the sleeve 6 during heat treatment, thereby improving the heat treatment efficiency and the quality of the locking cup.

[0042] The sleeve 6 is detachably disposed on the supporting wire 5 .

[0043] The sleeve 6 is provided with a hanging hole 8 through which the supporting wire 5 can pass.

[0044] Specifically, each sleeve 6 is provided with a hanging hole 8 near the top. After the locking cup is placed into the sleeve 6, the sleeve 6 can be detachably hung on the supporting wire 5 through the hanging hole 8, which facilitates the installation and disassembly of the sleeve 6. Multiple sleeves 6 can be hung on each supporting wire 5, so that multiple locking cups can be hung.

[0045] The load-bearing wire 5 passes through the hanging hole 8 of the sleeve 6, and also limits the locking cup placed inside the sleeve 6, thereby reducing the probability of it escaping from the sleeve 6 during heat treatment.

[0046] It also includes a first clamping plate 9 . The column 2 is provided with a plurality of first clamping holes. The first clamping plate 9 is disposed in the first clamping holes to support the middle frame 4 .

[0047] Specifically, a plurality of first clamping holes are spaced apart from top to bottom on the column 2, and a first clamping plate 9 matching the size of the first clamping hole is installed inside the first clamping hole, so that the middle frame 4 can be fixed from the bottom, and disassembly and assembly are convenient. By adjusting the number of installed middle frames 4, heat treatment of different numbers of locking cups can be required, and the system has strong adaptability and is easy to use.

[0048] It also includes a second clamping plate 10 . The column 2 is provided with a second clamping hole. The second clamping plate 10 is arranged in the second clamping hole and located at both sides of the top frame 3 for fixing the top frame 3 .

[0049] Specifically, there are two second card plates 10. After the middle frame 4 is installed, the top frame 3 is installed on the column 2, and the second card plates 10 are respectively installed in the second card holes. The second card plates 10 can fix the top frame 3 from the upper and lower sides, and the fixing stability is strong, which reduces the probability of the top frame 3 detaching from the top of the column 2 during its movement.

[0050] A first mounting hole 11 is opened at a corresponding position of the side wall relative to the top frame 3, and a second mounting hole 12 is opened at a corresponding position of the side wall relative to the middle frame 4. The load-bearing wire 5 is connected to the top frame 3 through the first mounting hole 11, and the load-bearing wire 5 is connected to the middle frame 4 through the second mounting hole 12.

[0051] Specifically, a plurality of first mounting holes 11 and second mounting holes 12 are opened at corresponding positions of the relative side walls of the top frame 3 and the middle frame 4. The two ends of the load-bearing wire 5 after the sleeve 6 is installed pass through the first mounting holes 11 or the second mounting holes 12 respectively, and the load-bearing wire 5 is fixed in the top frame 3 or the middle frame 4, which is easy to operate and has strong fixing stability.

[0052] The top frame 3 is provided with a hanging ear 13 .

[0053] Specifically, the top frame 3 is provided with a hanging ear 13. Through the provision of the hanging ear 13, it is convenient to put the locking cup and the tooling into the vacuum furnace together, and the lifting is convenient.

[0054] There are four hanging ears 13 , which are symmetrically installed in pairs on both sides of the top frame 3 to make the hanging more stable.

[0055] There are four columns 2 , and fixing grooves are provided at four corners of the bottom frame 1 , and the columns 2 are snap-fitted into the fixing grooves.

[0056] It also includes a limiting plate 14. The fixing groove is an inverted T-shaped structure. The limiting plate 14 is arranged at the bottom of the column 2. The bottom of the column 2 and the limiting plate 14 are arranged in the fixing groove.

[0057] Specifically, there are four columns 2, which are installed at the four corners of the bottom frame 1 through fixing grooves. The fixing grooves are inverted T-shaped structures. A limiting plate 14 is set at the bottom of the column 2. The limiting plate 14 and the column 2 are installed in the fixing groove to achieve a snap-fit ​​fixation between the column 2 and the bottom frame 1, which is convenient for installation and disassembly.

[0058] The above are only preferred embodiments of the present application and are not intended to limit the present application. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present application shall be included in the protection scope of the present application. The above are only preferred implementations of the present application. It should be pointed out that for ordinary technicians in this technical field, several improvements and variations can be made without departing from the technical principles of the present application, and these improvements and variations should also be regarded as the protection scope of the present application.

Claims

1. A locking cup vacuum heat treatment tool, characterized in that: include: A bottom frame (1), a column (2), a top frame (3), a middle frame (4), a load-bearing wire (5) and a sleeve (6); The column (2) is arranged on the bottom frame (1), the top frame (3) and the middle frame (4) are arranged on the column (2) at intervals from top to bottom, a load-bearing wire (5) is arranged between the opposite side walls of the top frame (3) and between the opposite side walls of the middle frame (4), the sleeve (6) is arranged on the load-bearing wire (5), the sleeve (6) is used to store the locking cup, and there is a space for placing the sleeve (6) between the two layers of the load-bearing wire (5).

2. The locking cup vacuum heat treatment tooling according to claim 1, characterized in that: The bottom of the sleeve (6) is provided with a plurality of air holes (7).

3. The locking cup vacuum heat treatment tooling according to claim 2, characterized in that: The sleeve (6) is detachably arranged on the supporting wire (5).

4. The locking cup vacuum heat treatment tooling according to claim 3, characterized in that: The sleeve (6) is provided with a hanging hole (8) through which the supporting wire (5) can pass.

5. The locking cup vacuum heat treatment tooling according to claim 4, characterized in that: It also comprises a first clamping plate (9), a plurality of first clamping holes are provided on the upright column (2), and the first clamping plate (9) is arranged in the first clamping holes to support the middle frame (4).

6. The locking cup vacuum heat treatment tooling according to claim 5, characterized in that: It also includes a second clamping plate (10), a second clamping hole is opened on the column (2), and the second clamping plate (10) is arranged in the second clamping hole and located on both sides of the top frame (3) for fixing the top frame (3).

7. The locking cup vacuum heat treatment tooling according to claim 6, characterized in that: A first mounting hole (11) is provided at a corresponding position of the side wall of the top frame (3), and a second mounting hole (12) is provided at a corresponding position of the side wall of the middle frame (4); the support wire (5) is connected to the top frame (3) through the first mounting hole (11), and the support wire (5) is connected to the middle frame (4) through the second mounting hole (12).

8. The locking cup vacuum heat treatment tooling according to claim 7, characterized in that: The top layer frame (3) is provided with a hanging ear (13).

9. The locking cup vacuum heat treatment tooling according to claim 8, characterized in that: The number of the upright posts (2) is four, and fixing grooves are provided at the four corners of the bottom frame (1), and the upright posts (2) are snap-fitted into the fixing grooves.

10. The locking cup vacuum heat treatment tooling according to claim 9, characterized in that: It also comprises a limiting plate (14), the fixing groove is an inverted T-shaped structure, the limiting plate (14) is arranged at the bottom of the column (2), and the bottom of the column (2) and the limiting plate (14) are arranged in the fixing groove.

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