Cyclotron target sheet extrusion device

Abstract

The utility model relates to the field of radiation medical equipment, in particular to a cyclotron target sheet extrusion device which comprises a cyclotron outlet and further comprises a target sheet body, a containing groove is formed in the upper side of the interior of the cyclotron outlet, and an installation box is fixedly installed at the upper end of the cyclotron outlet. An electric telescopic rod is fixedly mounted in the mounting box, the output end of the electric telescopic rod extends to the inner side of the containing groove and is fixedly provided with a connecting shifting piece, a flexible protection pad is fixedly mounted on the inner side of the connecting shifting piece, and a spherical buffering cavity is formed in the flexible protection pad; the flexible protection pad is driven by the electric telescopic rod to be attached to and extruded out of the target piece body, vibration force is absorbed and converted by means of air pressure change in the spherical buffering cavity in cooperation with the elastic deformation capacity of the buffering spring, the flexible protection pad is made of natural rubber, and the inner surface of the flexible protection pad is completely attached to the side of the target piece body. Therefore, the target sheet body can be extruded in a relatively fitting and soft manner.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of radiotherapy equipment, especially to cyclotron target plate extrusion device. BACKGROUND

[0002] The cyclotron target plate extrusion device is a device used in a cyclotron, and the medical cyclotron is a basic and core device for producing diagnostic radionuclides. Among them, the medical cyclotron equipped with a solid target can produce solid target nuclides to make up for the shortcomings of conventional liquid target nuclides, and become a representative of new radionuclides.

[0003] At present, the cyclotron target plate extrusion device has certain limitations in the extrusion structure, and the target plate is poorly fitted. In the extrusion process, the contact surface may slide, which easily causes wear between the target plate and the extrusion structure.

[0004] Therefore, in view of the poor fitting of the cyclotron target plate extrusion device extrusion structure and the target plate, and the sliding of the contact surface in the extrusion process, which easily causes wear between the target plate and the extrusion structure, a more flexible cyclotron target plate extrusion device can be designed. SUMMARY

[0005] In order to overcome the poor fitting of the cyclotron target plate extrusion device extrusion structure and the target plate, and the sliding of the contact surface in the extrusion process, which easily causes wear between the target plate and the extrusion structure.

[0006] The technical scheme of the utility model discloses a cyclotron target plate extrusion device, which comprises a cyclotron outlet, a target plate body, a receiving groove formed in the upper side of the cyclotron outlet, an installation box fixedly installed at the upper end of the cyclotron outlet, an electric telescopic rod fixedly installed in the installation box, a connecting tab fixedly installed at the output end of the electric telescopic rod and extending to the inside of the receiving groove, a flexible protective pad fixedly installed at the inside of the connecting tab, a spherical buffer cavity formed in the inside of the flexible protective pad, a connecting air hole formed in the left and right sides of the spherical buffer cavity, a stabilizing sleeve fixedly installed at the upper end of the cyclotron outlet and located at the front and rear ends of the installation box, and a lifting slide rod fixedly installed at the front and rear sides of the upper end of the connecting tab.

[0007] Preferably, the electric telescopic rod can drive the flexible protective pad to adhere to the extrusion target body, the spherical buffer cavity cooperates with the connecting air hole to realize the change of the internal air pressure, and the buffer spring can absorb and convert the vibration force through the elastic deformation capacity.

[0008] Preferably, the accommodating groove and the connecting tab are both arc-shaped in structure.

[0009] Preferably, the spherical buffer cavity and the connecting air hole are both distributed at equal intervals, and the flexible protective pad is made of natural rubber.

[0010] Preferably, the upper end and the lower end of the spherical buffer cavity are both fixedly installed with a connecting block, and the two connecting blocks are fixedly installed with a buffer spring.

[0011] Preferably, the output end of the electric telescopic rod is in sliding connection with the cyclotron outlet, the target body is matched with the cyclotron outlet, and the flexible protective pad is adhered to the target body.

[0012] Preferably, the stable sleeve is in communication with the cyclotron outlet, and the upper end of the lifting sliding rod is fixedly installed with a lifting sliding block on the inner side of the stable sleeve.

[0013] Preferably, the lifting sliding block is in sliding connection with the stable sleeve, the lifting sliding rod is in sliding connection with the stable sleeve, and the lifting sliding rod is in sliding connection with the cyclotron outlet.

[0014] The utility model discloses the beneficial effects of:

[0015] The cyclotron target extrusion device drives the flexible protective pad to adhere to the extrusion target body through the electric telescopic rod, utilizes the air pressure change in the spherical buffer cavity, cooperates with the elastic deformation capacity of the buffer spring to absorb and convert the vibration force, and the flexible protective pad is made of natural rubber, and the inner surface is completely adhered to the side of the target body, so that sliding friction with the target body is avoided during the extrusion process, the flexible and soft extrusion target body is realized, wear of the target and the extrusion structure is avoided, the service life of the equipment is prolonged, and when the extrusion work is carried out, the lifting sliding rod moves synchronously with the connecting tab, and the lifting of the connecting tab and other structures is assisted, so that the stability of the cyclotron target extrusion operation is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1The utility model discloses a cyclotron target plate extrusion device three-dimensional structure schematic diagram Figure 1 ;

[0017] Figure 2 The utility model discloses a cyclotron target plate extrusion device three-dimensional structure schematic diagram Figure 2 ;

[0018] Figure 3 The utility model discloses a flexible protective pad three-dimensional structure schematic diagram Figure 1 ;

[0019] Figure 4 The utility model discloses a flexible protective pad three-dimensional structure schematic diagram Figure 2 ;

[0020] Figure 5 The utility model discloses a stable sleeve three-dimensional structure schematic view.

[0021] Mark explanation: 1, cyclotron outlet, 2, target body, 3, containing groove, 4, installation box, 5, electric telescopic handle, 6, connecting tab, 7, flexible protective pad, 8, spherical buffer cavity, 9, connecting air hole, 10, stable sleeve, 11, lifting slide bar, 12, connecting block, 13, buffer spring, 14, lifting slide block. Specific implementation

[0022] The utility model is further explained below in connection with the drawings and examples.

[0023] Please refer to Figures 1-5 The utility model provides a kind of example: cyclotron target plate extrusion device, including cyclotron outlet 1, still including target body 2, the upper side of cyclotron outlet 1 inside is provided with containing groove 3, the upper end of cyclotron outlet 1 is fixedly installed with installation box 4, the inside of installation box 4 is fixedly installed with electric telescopic handle 5, the output end of electric telescopic handle 5 extends to the inside of containing groove 3 and is fixedly installed with connecting tab 6, the inside of connecting tab 6 is fixedly installed with flexible protective pad 7, the inside of flexible protective pad 7 is provided with spherical buffer cavity 8, the left and right sides of spherical buffer cavity 8 inside are provided with connecting air hole 9, the upper end of cyclotron outlet 1 is located at the front and rear ends of installation box 4 and is fixedly installed with stable sleeve 10, the front and rear sides of the upper end of connecting tab 6 are fixedly installed with lifting slide bar 11.

[0024] Please refer to Figures 1-5In the embodiment, the accommodating groove 3 and the connecting tab 6 are both arc-shaped in structure, the accommodating groove 3 and the connecting tab 6 are matched with each other, the spherical buffer cavities 8 and the connecting air holes 9 are both distributed at equal intervals, the flexible protective pad 7 is made of natural rubber, the upper and lower ends of the spherical buffer cavities 8 are both fixedly installed with the connecting blocks 12, the two connecting blocks 12 are fixedly installed with the buffer springs 13, the output end of the electric telescopic rod 5 is in sliding connection with the cyclotron outlet 1, the target body 2 is matched with the cyclotron outlet 1, the flexible protective pad 7 is matched with the target body 2, the flexible protective pad 7 is moved to the direction of the target body 2 by the electric telescopic rod 5, so that the flexible protective pad 7 is extruded to the target body 2, when the flexible protective pad 7 contacts and collides with the target body 2, the pressure change in the spherical buffer cavities 8 is utilized to absorb and convert the vibration force by the elastic deformation capacity of the buffer springs 13, so that the influence on the target body 2 is reduced, the flexible protective pad 7 is made of natural rubber, the inner surface of the flexible protective pad 7 is completely matched with the side of the target body 2, sliding friction between the target body 2 and the flexible protective pad 7 is avoided in the extrusion process, the target body 2 is extruded softly and closely, and the wear on the target and the extrusion structure is avoided, so that the service life of the equipment is prolonged.

[0025] Please refer to Figure 1 , Figure 2 and Figure 5 In the embodiment, the stable sleeve 10 is in communication with the cyclotron outlet 1, the upper end of the lifting slide rod 11 extends to the inner side of the stable sleeve 10 and is fixedly installed with the lifting slide block 14, the lifting slide block 14 is in sliding connection with the stable sleeve 10, the lifting slide rod 11 is in sliding connection with the stable sleeve 10, and the lifting slide rod 11 is in sliding connection with the cyclotron outlet 1, when the extrusion work is performed, the lifting slide rod 11 is fixedly connected with the connecting tab 6, the movement space direction is limited by the stable sleeve 10, the lifting slide rod 11 is conveniently moved synchronously with the connecting tab 6, the connecting tab 6 and other structures are lifted, and the stability of the cyclotron target extrusion operation is improved.

[0026] In the work, the connecting piece 6 is driven by the electric telescopic rod 5 to move towards the target body 2, so that the flexible protective pad 7 is attached to the target body 2. When the flexible protective pad 7 contacts the target body 2, the pressure change in the spherical buffer cavity 8 and the elastic deformation of the buffer spring 13 are used to absorb and convert the vibration force, thereby reducing the influence on the target body 2. The flexible protective pad 7 is made of natural rubber, and the inner surface completely adheres to the side of the target body 2, so as to avoid sliding friction with the target body 2 during extrusion, realize soft extrusion of the target body 2, and avoid wear of the target and the extrusion structure, thereby prolonging the service life of the equipment. During extrusion, the lifting slide rod 11 is fixedly connected with the connecting piece 6, and the stable sleeve 10 limits the movement space direction, so that the lifting slide rod 11 moves synchronously with the connecting piece 6, and the lifting of the connecting piece 6 and other structures is facilitated, thereby improving the stability of the cyclotron target extrusion operation.

[0027] Through the above steps, the pressure change in the spherical buffer cavity 8 and the elastic deformation of the buffer spring 13 are used to absorb and convert the vibration force, and the flexible protective pad 7 is soft and the inner surface completely adheres to the side of the target body 2, so as to avoid sliding friction with the target body 2 during extrusion, realize soft extrusion of the target body 2, and solve the problem that the cyclotron target extrusion device has poor adhesion between the extrusion structure and the target, and the contact surface may slide during extrusion, which easily causes wear between the target and the extrusion structure.

Claims

1. Extrusion device for a target plate of a cyclotron comprising an outlet (1) of the cyclotron, characterized in that: Also include the target body (2), the upper side of the cyclotron exit (1) inside is provided with containing groove (3), the upper end of the cyclotron exit (1) is fixedly installed with installation box (4), the inside of installation box (4) is fixedly installed with electric telescopic rod (5), the output end of electric telescopic rod (5) extends to the inside of containing groove (3) and is fixedly installed with connecting tab (6), the inside of connecting tab (6) is fixedly installed with flexible protective pad (7), the inside of flexible protective pad (7) is provided with spherical buffer cavity (8), the left and right sides in spherical buffer cavity (8) are both provided with connecting air hole (9), the upper end of cyclotron exit (1) is fixedly installed with stabilizing sleeve (10) at the front and rear ends of installation box (4), the front and rear sides of the upper end of connecting tab (6) are both fixedly installed with lifting slide bar (11).

2. The cyclotron target sheet extrusion device of claim 1, wherein: Containing groove (3) and connecting tab (6) are both arc structure design, containing groove (3) and connecting tab (6) are mutually adapted.

3. The cyclotron target sheet extrusion device of claim 1, wherein: Spherical buffer cavity (8) and connecting air hole (9) are both equidistant distribution, flexible protective pad (7) is natural rubber material.

4. The cyclotron target sheet extrusion device of claim 3, wherein: The upper and lower ends in spherical buffer cavity (8) are both fixedly installed with connecting block (12), two connecting blocks (12) are fixedly installed with buffer spring (13) between.

5. The cyclotron target sheet extrusion device of claim 1, wherein: The output end of electric telescopic rod (5) is slidably connected with cyclotron exit (1), target body (2) and cyclotron exit (1) are mutually adapted, flexible protective pad (7) and target body (2) are mutually attached.

6. The cyclotron target sheet extrusion device of claim 5, wherein: Stabilizing sleeve (10) and cyclotron exit (1) are mutually connected, the upper end of lifting slide bar (11) extends to the inside of stabilizing sleeve (10) and is fixedly installed with lifting slider (14).

7. The cyclotron target sheet extrusion device of claim 6, wherein: Lifting slider (14) and stabilizing sleeve (10) are slidably connected, lifting slide bar (11) and stabilizing sleeve (10) are slidably connected, lifting slide bar (11) and cyclotron exit (1) are slidably connected.

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