A CT tube bearing assembly device

Abstract

The utility model relates to a CT bulb bearing assembly device. Including: base, press down subassembly, support frame, pressure head, pressure detection module, support frame sets up at the top of base, is provided with the locating groove on the base, pressure detection module installs at the bottom of locating groove, press down subassembly installs on support frame, pressure head installs on press down subassembly, the center of pressure head, the center of press down subassembly and the center of locating groove are on the same center line, the bottom of pressure head is provided with pressure lever, the bottom of pressure lever and the baffle ring upper surface of bulb bearing assembly body abut. The utility model increases press down guide structure, guarantees the concentricity of installation process, increases pressure sensor, real -time monitoring pressure size, through the controller control press down servo system, can real -time adjustment press down distance and speed, improves the stability and consistency of assembly process. The utility model in press down process, the stress point is bearing outer ring, bearing core is not under pressure, the same ball is not under pressure, avoids the risk of ball damage.

Description

Technical Field

[0001] This utility model belongs to the field of CT tube technology, and in particular relates to a CT tube bearing assembly device. Background Technology

[0002] As the core imaging component of computed tomography (CT) equipment, the operational stability of the CT tube directly determines the scanning speed, image resolution, and clinical diagnostic reliability of the CT machine. The anode target of the CT tube needs to operate under high-speed rotation (typically 3000-10000 rpm) and continuous high-load conditions. The bearing, as a key component supporting the rotation of the anode target, directly determines the quality of the tube, and the assembly quality between the bearing and the bearing sleeve directly affects the rotational stability and service life of the CT tube. Excessive rotational eccentricity of the CT tube anode target can cause X-ray fluctuations during scanning, leading to image artifacts and severely affecting the accuracy of lesion detection.

[0003] Bearings and bearing assembly fittings such as Figure 1 As shown, 71 is the bearing sleeve, 72 is the buffer spring, 73 is part of the bearing, 74 is the baffle, and 75 is the retaining circlip. Currently, in CT tube production, the installation of bearings and bearing sleeves mostly follows traditional dedicated tooling or manual assisted assembly methods. This involves pressing down the bearing core 732 to compress the buffer spring 72, and then inserting the retaining circlip into the bearing sleeve 71. This method has three major drawbacks: First, insufficient positioning accuracy. The current process is mostly manual pressing without a precision guiding device, making it impossible to guarantee the concentricity of the bearing 73 and bearing sleeve 71 during assembly. Second, lack of process monitoring. The current manual installation method cannot monitor the pressure and distance during the pressing process, which may lead to excessive pressure on the bearing 73 and buffer spring 72, affecting product performance. Third, the bearing balls 731 and 734 are at risk of damage. In the current installation method, the pressure point is the bearing core 732, and the pressure is transmitted to the buffer spring 72 through the balls 731 and 734. If excessive force is applied during the pressing process, the balls are at risk of damage. Summary of the Invention

[0004] This utility model provides a CT ball bearing assembly device to solve the technical problems mentioned in the background art, such as the inability of existing manual installation methods to monitor the pressure and distance during the pressing process, and the risk of damage to the balls due to excessive force during the pressing process.

[0005] The technical solution of this utility model is as follows: a CT tube bearing assembly device, comprising: a base, a pressing component, a support frame, a pressing head, and a pressure detection module; The support frame is disposed above the base, and the base is provided with a positioning groove for positioning the ball bearing assembly to be assembled. The pressure detection module is installed at the bottom of the positioning groove, the pressing component is installed on the support frame, and the pressure head is installed on the pressing component. The center of the pressure head, the center of the pressing component, and the center of the positioning groove are on the same center line. A pressure rod is provided at the bottom of the pressure head, and the bottom of the pressure rod abuts against the upper surface of the retaining ring of the ball bearing assembly.

[0006] Furthermore, an indicator arrow is provided on one side of the pressure head, and a scale is vertically mounted on the support frame, with the indicator arrow pointing towards the scale.

[0007] Furthermore, the pressing assembly includes an electric actuator and a bushing. The main body of the electric actuator is mounted above the top of the support frame, and the bushing is mounted below the top of the support frame. The push rod of the electric actuator passes through the bushing.

[0008] Furthermore, it also includes a main controller, which is connected to both the pressing component and the pressure detection module. The main controller is used to control the pressing speed and pressure of the pressing component based on the detection parameters of the pressure detection module.

[0009] The beneficial effects of this utility model are as follows: Through structural innovation, this utility model adds a downward guiding structure to ensure concentricity during installation. Simultaneously, a pressure sensor is added to monitor the pressure in real time. The downward pressing mechanism uses a servo electric push rod, and the controller controls the downward pressing servo system based on the pressure sensor data. This allows for real-time adjustment of the pressing distance and speed based on pressure feedback, improving the stability and consistency of assembly process parameters. Regarding the issue of ball bearing compression, the new device ensures that the force point during pressing is the outer ring of the bearing, while the bearing core is not compressed, thus preventing ball bearing damage. Furthermore, the control system can be set with multiple formulas to accommodate the installation of various bearing models, significantly improving assembly efficiency and quality. Attached Figure Description

[0010] Figure 1 It is a bearing and bearing assembly structure.

[0011] Figure 2 This is a cross-sectional structural diagram of the present invention.

[0012] Figure 3 This is a schematic diagram of the appearance structure of this utility model.

[0013] Figure 4 This is a schematic diagram of the pressing point of this utility model. Detailed Implementation

[0014] To enable those skilled in the art to better understand the present invention, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments. The described embodiments are merely some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort should fall within the protection scope of the present invention.

[0015] In the technical solution of this utility model, Figure 2 and Figure 3 This is a schematic diagram illustrating the specific structure of a CT ball tube bearing assembly device according to this utility model, as shown below. Figure 2 and Figure 3 As shown, this utility model includes: Base 9, pressing component, support frame 2, pressure head 6, pressure detection module 3; The support frame 2 is disposed above the base 9. The base 9 is provided with a positioning groove 91, which is used to position the ball bearing assembly 7 to be assembled. The pressure detection module 3 is installed at the bottom of the positioning groove 91. The pressing component is installed on the support frame 2. The pressure head is installed on the pressing component. The center of the pressure head, the center of the pressing component and the center of the positioning groove 91 are on the same center line. The bottom of the pressure head 6 is provided with a pressure rod 61, and the bottom of the pressure rod 61 abuts against the upper surface of the retaining ring 74 of the ball bearing assembly 7.

[0016] In one embodiment of this utility model, an indicator arrow 62 is provided on one side of the pressure head 6, and a scale 4 is vertically installed on the support frame 2, with the indicator arrow 62 pointing to the scale 4.

[0017] In one embodiment of this utility model, the pressing assembly includes an electric actuator 1 and a bushing 5. The main body of the electric actuator 1 is mounted above the top of the support frame 2, and the bushing 5 is mounted below the top of the support frame 2. The push rod of the electric actuator 1 passes through the bushing 5. The electric actuator 1 can be a servo electric actuator, equipped with a servo motor and its controller. This technology is a conventional technique in the field and will not be described in detail here.

[0018] In one embodiment of the present invention, a main controller 8 is further included. The main controller 8 is connected to the pressing component and the pressure detection module 3 respectively. The main controller 8 is used to control the pressing speed and pressure of the pressing component according to the detection parameters of the pressure detection module 3.

[0019] It should be noted that the main controller 8 can be a PLC controller, a microcontroller or other chip or module with logic processing capabilities. The controller itself is a conventional technology in this field, so it will not be described in detail here.

[0020] In one embodiment of this utility model, the pressure detection module 3 is a pressure sensor.

[0021] This utility model provides a CT tube bearing and bearing assembly device, specifically as follows: Figure 2 In this invention, a servo actuator can be used as the electric actuator 1. The servo actuator can press down the pressure head at a set speed and stroke. The pressure sensor 3 can monitor the pressure, distance, and speed during the pressing process and feed this data back to the main controller 88. The main controller 88 can control the pressing speed and distance of the electric actuator 1 based on the feedback data. The closed-loop control system can monitor the pressing parameters to prevent excessive pressure or pressing distance, while ensuring consistency in each pressing process and guaranteeing the stability of product quality.

[0022] The bushing 5 is made of engineering plastic or low-hardness metal, ensuring the accuracy and concentricity of the pressure head during the pressing process. Furthermore, the engineering plastic or low-hardness metal has a self-lubricating function, eliminating the need for additional lubricating oil and ensuring the cleanliness of the bearing components.

[0023] like Figure 4 This time, the point of force for the pressure head to press down has been changed from the top of the bearing core 732 to the upper part of the retaining ring 74. The pressure is transmitted to the spacer 733 through the retaining ring 74, and then the spacer 733 acts on the buffer spring 72. Throughout the process, the balls 731 and 734 are in a free state and will not be subjected to pressure, thus avoiding damage to the balls.

[0024] A scale 4 is installed on frame 2. During the pressing process, the operator can directly observe the pressing distance and check the accuracy of the pressing process.

[0025] The device operates as follows: The bearing and bearing sleeve 7 to be installed are placed on the pressure sensor 3. The servo electric actuator 1 operates, and the pressure head 6 presses down a set distance. After contacting the retaining ring 74, it continues to press down. The retaining ring 74 pushes the spacer 733 downwards, pressing down the buffer spring 72. After the electric actuator 1 reaches the set stroke, the retaining ring 75 is fixed, and the bearing and bearing sleeve are installed. If the pressure sensor 3 detects an abnormal pressure during the pressing process, it will send a feedback signal to the main controller 8. The main controller 8 sends a signal to the servo electric actuator control system, and the servo electric actuator will change its speed and pressing distance according to the system signal.

[0026] Finally, it should be noted that the above specific embodiments are only used to illustrate the technical solution of this utility model and not to limit it. Although this utility model has been described in detail with reference to examples, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of the technical solution of this utility model, and all such modifications and substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A CT tube bearing assembly device, characterized in that, include: Base (9), pressing component, support frame (2), pressure head (6), pressure detection module (3); The support frame (2) is located above the base (9). The base (9) is provided with a positioning groove (91). The positioning groove (91) is used to position the ball bearing assembly (7) to be assembled. The pressure detection module (3) is installed at the bottom of the positioning groove (91). The pressing component is installed on the support frame (2). The pressure head is installed on the pressing component. The center of the pressure head, the center of the pressing component and the center of the positioning groove (91) are on the same center line. The bottom of the pressure head (6) is provided with a pressure rod (61). The bottom of the pressure rod (61) abuts against the upper surface of the retaining ring (74) of the ball bearing assembly (7).

2. The CT tube bearing assembly device as described in claim 1, characterized in that, An indicator arrow (62) is provided on one side of the pressure head (6), and a scale (4) is vertically installed on the support frame (2), with the indicator arrow (62) pointing to the scale (4).

3. The CT tube bearing assembly device as described in claim 1, characterized in that, The pressing assembly includes an electric push rod (1) and a bushing (5). The main body of the electric push rod (1) is installed above the top of the support frame (2), and the bushing (5) is installed below the top of the support frame (2). The push rod of the electric push rod (1) passes through the bushing (5).

4. The CT tube bearing assembly device as described in claim 1, characterized in that, It also includes a main controller (8), which is connected to the pressing component and the pressure detection module (3) respectively. The main controller (8) is used to control the pressing speed and pressure of the pressing component according to the detection parameters of the pressure detection module (3).

5. The CT tube bearing assembly device as described in claim 1, characterized in that, The pressure detection module (3) is a pressure sensor.

Images