Graphite tooling for heat treatment

Abstract

This utility model relates to the field of heat treatment processing, and more particularly to graphite tooling for heat treatment processing, including an upper clamp; it also includes a through groove, a mounting frame, a bidirectional lead screw, a movable seat, and a clamping plate. A lower clamp is provided on the bottom surface of the upper clamp, and a through groove is provided through the middle of the upper surface of the upper clamp. A mounting frame is provided on the upper surface of the upper clamp corresponding to the through groove. The bidirectional lead screw is rotatably connected to the left and right sides of the inner surface of the mounting frame. Two symmetrical movable seats are threadedly connected to the outer surface of the bidirectional lead screw, and a clamping plate is installed on the bottom surface of the movable seats. This utility model uses a mounting frame to install the bidirectional lead screw. When the bidirectional lead screw rotates, it can drive the two movable seats that are threaded with it to move synchronously in opposite directions. When the movable seats move, they can drive the clamping plate at their bottom to move, so that the clamping plate can limit the left and right sides of the magnetic core and prevent the magnetic core from slipping off the side of the tooling.

Description

Technical Field

[0001] This utility model relates to the field of heat treatment processing, and in particular to graphite tooling for heat treatment processing. Background Technology

[0002] Traditional heat treatment tooling requires materials with extremely high temperature resistance and deformation resistance. Heat-resistant stainless steel is usually chosen as the preferred material. This type of stainless steel has excellent high-temperature strength, oxidation resistance and thermal stability, and can maintain structural integrity in long-term high-temperature environments, avoiding tooling deformation due to thermal expansion or creep.

[0003] Existing magnetic core heat treatment fixtures lack side-limiting structures. During high-temperature treatment, when the furnace temperature rises to the required process temperature, the magnetic core often shifts due to thermal vibration and material expansion. In severe cases, it may even slip off the fixture, causing scratches on the magnetic core surface. This can lead to an increase in product scrap rate and directly affect the stability of the heat treatment process and product consistency.

[0004] Therefore, the existing tooling for heat treatment of magnetic cores does not have a limiting structure on both sides of the magnetic core during use, and the magnetic core is prone to slipping during the heat treatment process. There is an urgent need to design a new type of graphite tooling for heat treatment. Utility Model Content

[0005] In order to overcome the problem that existing tooling for heat treatment of magnetic cores does not have a limiting structure on both sides of the magnetic core during use, the magnetic core is prone to slipping during the heat treatment process.

[0006] The technical solution of this utility model is as follows: a graphite tooling for heat treatment processing, including an upper clamp; it also includes a through groove, a mounting frame, a two-way lead screw, a movable seat, and a clamping plate. A lower clamp is provided on the bottom surface of the upper clamp, and a through groove is provided through the middle of the upper surface of the upper clamp. A mounting frame is provided on the upper surface of the upper clamp corresponding to the position of the through groove. A two-way lead screw is rotatably connected to the left and right sides of the inner surface of the mounting frame. Two symmetrical movable seats are threadedly connected to the outer surface of the two-way lead screw, and a clamping plate is installed on the bottom surface of the movable seats.

[0007] Preferably, an installation frame is provided for installing the bidirectional lead screw. When the bidirectional lead screw rotates, it can drive two moving seats that are threaded with it to move synchronously in opposite directions. When the moving seats move, they can drive the clamping plates at their bottom to move, so that the clamping plates can limit the left and right sides of the magnetic core and prevent the magnetic core from slipping off the side of the tooling. This solves the problem that the existing tooling for heat treatment of magnetic cores does not have a limiting structure for the two sides of the magnetic core, and the magnetic core is prone to slipping off during the heat treatment process.

[0008] Preferably, a rotating shaft is connected to the right side surface of the mounting frame, and the left end of the rotating shaft passes through the right side wall of the mounting frame and is connected to the right end of the double-acting lead screw. A knob is installed on the right side surface of the rotating shaft.

[0009] Preferably, the upper surface of the upper clamp is provided with fixing screw holes at the corners, the fixing screw holes penetrate the lower clamp, and fixing screws are connected to the inner surface of the fixing screw holes.

[0010] Preferably, a fixing nut is connected to the lower part of the outer surface of the fixing screw, and the upper clamp and the lower clamp are fixed to the fixing nut by the fixing screw.

[0011] Preferably, the upper surface of the lower fixture is machined with mating blocks on both the front and rear sides, and the bottom surface of the upper fixture is provided with mating grooves corresponding to the positions of the mating blocks, with the mating blocks and mating grooves being compatible.

[0012] Preferably, the front and rear surfaces of the movable seat slide in contact with the front and rear surfaces of the inner surface of the mounting frame.

[0013] Preferably, both the inner sides of the upper and lower clamps are rounded.

[0014] The beneficial effects of this utility model are:

[0015] 1. By setting a bidirectional lead screw, the bidirectional lead screw can drive two moving seats to move synchronously in opposite directions under the cooperation of the external thread of the bidirectional lead screw. The movement of the moving seats will drive the clamping plate at its bottom to move, so that the clamping plate can limit the left and right sides of the magnetic core and prevent the magnetic core from slipping off the side of the tooling. This solves the problem that the existing tooling for magnetic core heat treatment does not have a limiting structure on both sides of the magnetic core, and the magnetic core is prone to slipping off during the heat treatment process. Attached Figure Description

[0016] Figure 1 The diagram shown is a three-dimensional structural schematic of the graphite tooling used in the heat treatment process of this utility model.

[0017] Figure 2 The diagram shown is a three-dimensional structural schematic of the graphite tooling bidirectional lead screw for heat treatment processing according to this utility model.

[0018] Figure 3 The diagram shown is a three-dimensional structural schematic of the graphite tooling fixture for heat treatment processing according to this utility model.

[0019] Figure 4 The diagram shown is a three-dimensional structural schematic of the graphite tooling lower fixture for heat treatment processing according to this utility model.

[0020] Explanation of reference numerals in the attached drawings: 1. Upper clamp; 2. Lower clamp; 3. Through groove; 4. Mounting frame; 5. Two-way lead screw; 6. Moving seat; 7. Clamping plate; 8. Rotating shaft; 9. Knob; 10. Fixing screw hole; 11. Fixing screw; 12. Fixing nut; 13. Connecting block; 14. Connecting groove. Detailed Implementation

[0021] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0022] Please see Figures 1-4 This utility model provides an embodiment of a graphite fixture for heat treatment, including an upper clamp 1; it also includes a through groove 3, a mounting frame 4, a bidirectional lead screw 5, a movable seat 6, and a clamping plate 7. A lower clamp 2 is provided on the bottom surface of the upper clamp 1, and a through groove 3 is provided through the middle of the upper surface of the upper clamp 1. A mounting frame 4 is provided on the upper surface of the upper clamp 1 corresponding to the position of the through groove 3. The bidirectional lead screw 5 is rotatably connected to the left and right sides of the inner surface of the mounting frame 4. Two symmetrical movable seats 6 are threadedly connected to the outer surface of the bidirectional lead screw 5. A clamping plate 7 is installed on the bottom surface of the movable seats 6. The mounting frame 4 is used to install the bidirectional lead screw 5. When the bidirectional lead screw 5 rotates, it can drive the two movable seats 6 that are threaded with it to move synchronously in opposite directions. When the movable seats 6 move, they can drive the clamping plate 7 at their bottom to move, so that the clamping plate 7 can limit the left and right sides of the magnetic core and prevent the magnetic core from slipping off the side of the fixture.

[0023] Please see Figures 1-4 In this embodiment, a rotating shaft 8 is connected to the right side surface of the mounting frame 4. The left end of the rotating shaft 8 passes through the right side wall of the mounting frame 4 and connects to the right end of the bidirectional lead screw 5. A knob 9 is installed on the right side surface of the rotating shaft 8. By setting the knob 9 and the rotating shaft 8, rotating the knob 9 can cause the rotating shaft 8 to drive the bidirectional lead screw 5 to rotate, thereby facilitating the operator to rotate the bidirectional lead screw 5. Fixing screw holes 10 are opened at the corners of the upper surface of the upper clamp 1. The fixing screw holes 10 pass through the lower clamp 2. The inner surface of 10 is connected to a fixing screw 11. By setting the fixing screw 11 and the fixing screw hole 10, the upper clamp 1 and the lower clamp 2 can be fixed together, thereby clamping the magnetic core inside the cavity formed by the upper clamp 1 and the lower clamp 2. The outer surface of the fixing screw 11 is connected to a fixing nut 12 at the lower position. The upper clamp 1 and the lower clamp 2 are fixed together by the fixing screw 11 and the fixing nut 12. By setting the fixing nut 12, the fixing screw 11 can be fixed, thereby improving the positioning effect and preventing loosening.

[0024] Please see Figures 1-4In this embodiment, the upper surface of the lower clamp 2 is machined with docking blocks 13 on both the front and rear sides. The bottom surface of the upper clamp 1 is provided with docking grooves 14 corresponding to the positions of the docking blocks 13. The docking blocks 13 and the docking grooves 14 are adapted to each other. By setting the docking blocks 13 and the docking grooves 14, the docking accuracy between the upper clamp 1 and the lower clamp 2 can be improved, thereby improving the clamping accuracy. The front and rear sides of the movable seat 6 are in contact with the front and rear sides of the inner surface of the mounting frame 4. By contacting the outer surface of the movable seat 6 with the inner surface of the mounting frame 4, the mounting frame 4 can limit the movable seat 6, avoiding the problem of the bidirectional lead screw 5 causing the movable seat 6 to rotate when rotating, which would lead to a decrease in transmission efficiency. The inner two sides of the upper clamp 1 and the lower clamp 2 are both rounded. By designing the inner sides of the upper clamp 1 and the lower clamp 2 as rounded, they can better fit with the outer surface of the magnetic core, improving the clamping and positioning effect.

[0025] During operation, the knob 9 and the rotating shaft 8 are configured so that rotating the knob 9 causes the rotating shaft 8 to rotate the bidirectional lead screw 5, thus facilitating the operator's rotation of the bidirectional lead screw 5. The upper clamp 1 and the lower clamp 2 are fixed together by the fixing screw 11 and the fixing screw hole 10, thereby clamping the magnetic core inside the cavity formed by the upper clamp 1 and the lower clamp 2. The fixing nut 12 is used to fix the fixing screw 11, thereby improving the positioning effect and preventing loosening. The mating block 13 and the mating groove 14 are used to improve the upper clamping... The docking accuracy between the upper clamp 1 and the lower clamp 2 is improved to enhance clamping accuracy. By fitting the outer surface of the movable seat 6 to the inner surface of the mounting frame 4, the mounting frame 4 can limit the movement of the movable seat 6, preventing the bidirectional lead screw 5 from rotating and causing the movable seat 6 to rotate, thus reducing transmission efficiency. By designing the inner sides of the upper clamp 1 and the lower clamp 2 as rounded corners, they can better fit with the outer surface of the magnetic core, improving the clamping and positioning effect. The upper clamp 1 and the lower clamp 2 are made of graphite material, which is lighter and easier to assemble than the traditional stainless steel structure.

[0026] Through the above steps, by setting a bidirectional lead screw 5, when the bidirectional lead screw 5 rotates, it can drive two moving seats 6 to move synchronously in opposite directions under the cooperation of the external thread of the bidirectional lead screw 5. The movement of the moving seats 6 will drive the clamping plate 7 at its bottom to move, so that the clamping plate 7 can limit the left and right sides of the magnetic core and prevent the magnetic core from slipping off the side of the tooling. This solves the problem that the existing tooling for heat treatment of magnetic cores does not have a limiting structure for the two sides of the magnetic core, and the magnetic core is prone to slipping off during the heat treatment process.

Claims

1. Graphite tooling for heat treatment processing comprising an upper clamp (1); characterized in that: It also includes a through groove (3), a mounting frame (4), a two-way screw (5), a movable seat (6), and a clamping plate (7). The bottom surface of the upper clamp (1) is provided with a lower clamp (2). The upper surface of the upper clamp (1) is provided with a through groove (3) in the middle. The upper surface of the upper clamp (1) is provided with a mounting frame (4) corresponding to the position of the through groove (3). The inner surface of the mounting frame (4) is rotatably connected to the left and right sides with a two-way screw (5). The outer surface of the two-way screw (5) is threadedly connected to two symmetrical movable seats (6). The bottom surface of the movable seat (6) is provided with a clamping plate (7).

2. The graphite tooling for heat treatment processing according to claim 1, characterized in that: A rotating shaft (8) is connected to the right side surface of the mounting frame (4). The left end of the rotating shaft (8) passes through the right side wall of the mounting frame (4) and is connected to the right end of the double-acting screw (5). A knob (9) is installed on the right side surface of the rotating shaft (8).

3. The graphite tooling for heat treatment processing according to claim 1, characterized in that: Fixing screw holes (10) are provided at the corners of the upper surface of the upper clamp (1). The fixing screw holes (10) pass through the lower clamp (2). Fixing screws (11) are connected to the inner surface of the fixing screw holes (10).

4. The graphite tooling for heat treatment processing according to claim 3, characterized in that: A fixing nut (12) is connected to the lower part of the outer surface of the fixing screw (11). The upper clamp (1) and the lower clamp (2) are fixed to the fixing nut (12) by the fixing screw (11).

5. The graphite tooling for heat treatment processing according to claim 1, characterized in that: The upper surface of the lower fixture (2) is machined with docking blocks (13) on both the front and rear sides. The bottom surface of the upper fixture (1) is provided with docking grooves (14) corresponding to the docking blocks (13). The docking blocks (13) and docking grooves (14) are compatible.

6. The graphite tooling for heat treatment processing according to claim 1, characterized in that: The front and rear sides of the movable seat (6) slide against the front and rear sides of the inner surface of the mounting frame (4).

7. The graphite tooling for heat treatment processing according to claim 1, characterized in that: The inner two sides of the upper clamp (1) and the lower clamp (2) are both rounded.

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