X-ray bulb tube filament crystallization shaping device

Abstract

The utility model relates to the technical field of X-ray bulb tube filament shaping, in particular to an X-ray bulb tube filament crystallization shaping device. The device comprises a supporting workbench, a shaping box is arranged on the upper end face of the supporting workbench, a shaping table is arranged in the shaping box and used for containing filaments, an opening is formed in one side of the shaping box and used for allowing the filaments to enter and exit from the shaping box, and a sealing door is arranged at the opening and can seal the opening; a plurality of binding posts are arranged in the shaping box, the lower ends of the binding posts extend downwards out of the lower end face of the supporting workbench, the lower ends of the binding posts can be electrically connected with an external power source, and the upper ends of the binding posts can be electrically connected with filaments for crystallization shaping. According to the utility model, the X-ray bulb tube filament can be quickly crystallized and shaped, so that the production efficiency is improved; and hydrogen is used for filament shaping, metal decarburization and surface organic matter removal of the filament are facilitated, and the use performance of the filament is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of X-ray tube filament shaping, in particular to an X-ray tube filament crystallization shaping device. Background Art

[0002] The X-ray tube filament is the core component of the tube core. In the prior art, the common filament crystallization shaping method is to place the cathode assembly with the filament in a vacuum chamber. Then the filament is connected to the power supply, and then the vacuum chamber is evacuated. When the vacuum in the vacuum chamber is higher than 10 -3 Pa, the filament power supply is turned on. The current of the filament and the corresponding energization time are set to achieve the shaping purpose. The existing filament crystallization shaping method requires a high vacuum condition, resulting in low production efficiency. Summary of the Utility Model

[0003] The present application aims at the above-mentioned disadvantages in the existing production technology and provides an X-ray tube filament crystallization shaping device, which can quickly crystallize and shape the X-ray tube filament and improve the production efficiency.

[0004] The technical solution adopted by the utility model is as follows:

[0005] An X-ray tube filament crystallization shaping device includes a support workbench. A shaping box is arranged on the upper end surface of the support workbench. A shaping table is arranged in the shaping box. The shaping table is used to place the filament. An opening is arranged on one side of the shaping box for the filament to enter and exit the shaping box. A sealing door is arranged at the opening, and the sealing door can seal the opening. A plurality of wiring posts are arranged in the shaping box. The lower ends of the plurality of wiring posts extend downward from the lower end surface of the support workbench. The lower ends of the plurality of wiring posts can be electrically connected to an external power supply, and the upper ends of the plurality of wiring posts can be electrically connected to the filament for crystallization shaping. A first air inlet and a second air inlet are respectively arranged on the outer side wall of the shaping box, and an exhaust port is arranged on the top wall of the shaping box.

[0006] Further, one side of the sealing door is connected to the box wall of the shaping box on one side of the opening through a hinge, and a locking structure is arranged on the other side of the sealing door. The locking structure can lock the other side of the sealing door to the box wall of the shaping box on the other side of the opening.

[0007] Further, the locking structure includes a lock block and a lock tongue. The lock block is arranged on the other side of the sealing door. The lock tongue is connected to a rotating shaft, and the rotating shaft is rotatably connected to the box wall of the shaping box on the other side of the opening. A lock groove is arranged on the lock block, and the lock tongue can rotate into the lock groove. A lock handle is connected to the rotating shaft.

[0008] Further, a shaping fixture is detachably connected to the shaping table, and the shaping fixture can clamp the filament.

[0009] Further, the shaping fixture includes clamping plates. A circular clamping cavity is arranged on the clamping plates. The clamping cavity is used for clamping the filament. A locking opening is arranged on one side of the clamping cavity. Ear plates are respectively arranged on the left and right sides at the locking opening. The ear plates are integrally formed with the clamping plates. A locking bolt is arranged at the locking opening. The locking bolt sequentially passes through one ear plate and the locking opening and is threadedly connected to the other ear plate.

[0010] Further, a deformation groove is arranged on the side of the clamping cavity facing away from the locking opening.

[0011] Further, a first air valve is connected to the first air inlet. The opening and closing of the first air inlet can be controlled through the first air valve. A second air valve is connected to the second air inlet. The opening and closing of the second air inlet can be controlled through the second air valve. A third air valve is connected to the exhaust port. The opening and closing of the exhaust port can be controlled through the third air valve.

[0012] The beneficial effects of the present utility model are as follows:

[0013] The structure of the present utility model is compact and reasonable, and the operation is convenient. It can quickly crystallize and shape the filament of the X-ray tube, improving the production efficiency; using hydrogen for filament shaping helps to remove carbon from the metal of the filament and remove surface organic substances, improving the service performance of the filament. Description of the Drawings

[0014] Figure 1 It is a perspective view of the present utility model.

[0015] Figure 2 It is an internal structure diagram of the present utility model.

[0016] Figure 3 It is a structure diagram of the filament shaping fixture of the present utility model.

[0017] Wherein: 1. Support workbench; 2. Shaping box; 3. Sealing door; 4. First air inlet; 5. Second air inlet; 6. Exhaust port; 7. Rotating shaft; 8. Shaping table; 9. Shaping fixture; 10. Terminal; 11. Hinge; 12. Lock block; 13. Lock tongue; 14. Lock handle; 15. Clamping plate; 16. Clamping cavity; 17. Deformation groove; 18. Locking opening; 19. Locking bolt. Specific Embodiments

[0018] The following combines the drawings to illustrate the specific embodiments of the present utility model.

[0019] As Figure 1 and Figure 2 shown, the X-ray tube filament crystallization and shaping device includes a support workbench 1. A shaping box 2 is arranged on the upper end surface of the support workbench 1. A shaping table 8 is arranged in the shaping box 2. The shaping table 8 is used for placing the filament to be crystallized and shaped.

[0020] AsFigure 1 and Figure 2 As shown in and

[0021] , an opening is provided on one side of the shaping box 2 for the filament to enter and exit the shaping box 2. A sealing door 3 is provided at the opening. When the filament is crystallized and shaped, the sealing door 3 can seal the opening to ensure the normal progress of the filament shaping.

[0021] As Figure 1 and Figure 2 shown, one side of the sealing door 3 is connected to the box wall of the shaping box 2 on one side of the opening through a hinge 11, and a locking structure is provided on the other side of the sealing door 3. The locking structure can lock the other side of the sealing door 3 to the box wall of the shaping box 2 on the other side of the opening.

[0022] As Figure 1 and Figure 2 shown, the locking structure includes a lock block 12 and a lock tongue 13. The lock block 12 is provided on the other side of the sealing door 3, and the lock tongue 13 is connected to a rotating shaft 7. The rotating shaft 7 is rotatably connected to the box wall of the shaping box 2 on the other side of the opening. A lock groove is provided on the lock block 12, and the lock tongue 13 can rotate into the lock groove to lock the position of the sealing door 3. A lock handle 14 is connected to the rotating shaft 7, and the rotating shaft 7 can be conveniently driven to rotate through the lock handle 14, and finally the lock tongue 13 is driven to rotate into the lock groove to lock the position of the sealing door 3.

[0023] To fix the position of the filament inside the shaping box 2, as Figure 2 shown, a shaping fixture 9 is detachably connected to the shaping table 8, and the shaping fixture 9 can clamp the filament. When in use, only need to clamp the filament in the shaping fixture 9, and then fix the shaping fixture 9 on the shaping table 8 with bolts.

[0024] As Figure 3 shown, the shaping fixture 9 includes a clamping plate 15. A circular clamping cavity 16 is provided on the clamping plate 15 for clamping the filament. A locking opening 18 is provided on one side of the clamping cavity 16. Ear plates are respectively provided on the left and right sides at the locking opening 18, and the ear plates are integrally formed with the clamping plate 15. A locking bolt 19 is provided at the locking opening 18. The locking bolt 19 passes through an ear plate and the locking opening 18 in sequence and is threadedly connected to the other ear plate. When in use, the opening degree of the locking opening 18 can be adjusted through the locking bolt 19, so as to adjust the size of the clamping cavity 16, and finally realize the clamping or loosening of the filament. A deformation groove 17 is provided on the side of the clamping cavity 16 facing away from the locking opening 18, and the setting of the deformation groove 17 can make the clamping cavity 16 deform in size.

[0025] As Figure 2As shown in the figure, a plurality of terminal posts 10 are arranged in the shaping box 2. The lower ends of the plurality of terminal posts 10 extend downward beyond the lower end surface of the support workbench 1. The lower ends of the plurality of terminal posts 10 can be electrically connected to an external power source, and the upper ends of the plurality of terminal posts 10 can be electrically connected to the filaments for crystallization and shaping, so as to energize and heat the filaments.

[0026] As Figure 1 and Figure 2 shown, a first air inlet 4 and a second air inlet 5 are respectively arranged on the outer side wall of the shaping box 2. The first air inlet 4 can be connected to an external air source through a pipeline. The first air inlet 4 is mainly used for introducing argon. The second air inlet 5 can be connected to an external air source through a pipeline. The second air inlet 5 is mainly used for introducing hydrogen. An exhaust port 6 is arranged on the top wall of the shaping box 2, and the exhaust port 6 can discharge the air in the shaping box 2.

[0027] A first air valve is connected to the first air inlet 4, and the opening and closing of the first air inlet 4 can be controlled through the first air valve. A second air valve is connected to the second air inlet 5, and the opening and closing of the second air inlet 5 can be controlled through the second air valve. A third air valve is connected to the exhaust port 6, and the opening and closing of the exhaust port 6 can be controlled through the third air valve.

[0028] The working process of the crystallization and shaping of the present utility model is as follows:

[0029] First, the filament is clamped in the shaping fixture 9, then the shaping fixture 9 is fixed on the shaping table 8, and the filament and the terminal post are electrically connected, and then the sealing door 3 is closed and locked.

[0030] Open the first air valve connected to the first air inlet 4, so that argon enters the shaping box 2. At the same time, open the third air valve of the exhaust port 6. When argon enters the shaping box 2, the air in the shaping box 2 is gradually discharged.

[0031] After argon is introduced for a period of time, open the second air valve of the second air inlet 5, and introduce hydrogen into the shaping box 2. The hydrogen entering the shaping box 2 gradually discharges the argon.

[0032] After hydrogen is introduced for a period of time, close the first air valve to stop introducing argon, and at the same time energize and heat the filament. After the filament is energized for a period of time, increase the current for a period of time first, and then decrease the current for a period of time.

[0033] After the energizing and heating shaping treatment, open the first air valve to introduce argon into the shaping box 2 again. After argon is introduced for a period of time, close the second air valve to stop introducing hydrogen. After a period of time, close the first air valve and the third air valve to stop introducing argon and discharging gas.

[0034] Wait for the filament to cool to room temperature, open the sealing door 3, and after reinspecting that the filament size is qualified, end the crystallization and shaping process.

[0035] The above description is an explanation of the present utility model, not a limitation thereof. The scope defined by the present utility model is referred to the claims. Any form of modification may be made within the protection scope of the present utility model.

Claims

1. An X-ray tube filament crystallization and shaping device, comprising a support workbench (1), characterized in that: A shaping box (2) is arranged on the upper end surface of the support workbench (1). A shaping table (8) is arranged inside the shaping box (2). The shaping table (8) is used for placing the filament. An opening is arranged on one side of the shaping box (2), and the opening is for the filament to enter and exit the shaping box (2). A sealing door (3) is arranged at the opening, and the sealing door (3) can seal the opening. A plurality of terminal posts (10) are arranged inside the shaping box (2). The lower ends of the plurality of terminal posts (10) extend downward out of the lower end surface of the support workbench (1). The lower ends of the plurality of terminal posts (10) can be electrically connected to an external power supply, and the upper ends of the plurality of terminal posts (10) can be electrically connected to the filament for crystallization shaping. A first air inlet (4) and a second air inlet (5) are respectively arranged on the outer side wall of the shaping box (2), and an exhaust port (6) is arranged on the top wall of the shaping box (2).

2. The X-ray tube filament crystallization and shaping device according to claim 1, characterized in that: One side of the sealing door (3) is connected to the box wall of the shaping box (2) on one side of the opening through a hinge (11). A locking structure is arranged on the other side of the sealing door (3), and the locking structure can lock the other side of the sealing door (3) to the box wall of the shaping box (2) on the other side of the opening.

3. The X-ray tube filament crystallization and shaping device according to claim 2, characterized in that: The locking structure includes a lock block (12) and a lock tongue (13). The lock block (12) is arranged on the other side of the sealing door (3). The lock tongue (13) is connected to a rotating shaft (7). The rotating shaft (7) is rotatably connected to the box wall of the shaping box (2) on the other side of the opening. A lock groove is arranged on the lock block (12), and the lock tongue (13) can rotate into the lock groove. A lock handle (14) is connected to the rotating shaft (7).

4. The X-ray tube filament crystallization and shaping device according to claim 1, characterized in that: A shaping fixture (9) is detachably connected to the shaping table (8), and the shaping fixture (9) can clamp the filament.

5. The X-ray tube filament crystallization and shaping device according to claim 4, characterized in that: The shaping fixture (9) includes a clamping plate (15). A circular clamping cavity (16) is arranged on the clamping plate (15). The clamping cavity (16) is used for clamping the filament. A locking opening (18) is arranged on one side of the clamping cavity (16). Ear plates are respectively arranged on the left and right sides at the locking opening (18). The ear plates are integrally formed with the clamping plate (15). A locking bolt (19) is arranged at the locking opening (18). The locking bolt (19) sequentially passes through an ear plate and the locking opening (18) and is then threadedly connected to the other ear plate.

6. The X-ray tube filament crystallization and shaping device according to claim 5, characterized in that: A deformation groove (17) is arranged on the side of the clamping cavity (16) facing away from the locking opening (18).

7. The X-ray tube filament crystallization and shaping device according to claim 1, characterized in that: A first air valve is connected to the first air inlet (4), and the opening and closing of the first air inlet (4) can be controlled through the first air valve. A second air valve is connected to the second air inlet (5), and the opening and closing of the second air inlet (5) can be controlled through the second air valve. A third air valve is connected to the exhaust port (6), and the opening and closing of the exhaust port (6) can be controlled through the third air valve.

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