Pressing disc assembling and positioning tool

Abstract

The invention provides a pressing disc assembling and positioning tool. The pressing disc assembling and positioning tool is used for a rotating device of oral medical CT equipment. The pressing plateassembling and positioning tool comprises a tool positioning device and a tool tightening device. The tool positioning device comprises a body portion and an extension portion. The body portion is provided with a threaded connection part. The threaded connection part is used for penetrating through a central hole. The extension portion extends from the body portion. The extension portion is provided with an upper surface and a plurality of bosses. The upper surface of the extension portion is used for abutting against a rotating disc. The bosses protrude upwards from the extension portion tothe same height and are used for being accommodated in threaded mounting holes. The tool tightening device comprises a pressing part and a threaded joint part. The pressing part is located around thethreaded joint part. The pressing part is used for pressing against the rotating disc. The threaded joint part is used for being jointed with the threaded connection part to position the bosses in thethreaded mounting holes, so that nuts can fix spring plungers and are positioned to the rotating disc before the pressing disc and a dial mounting plate. Therefore, personnel skills are not required,the quality is consistent, the control is easy, and imaging ghosting is avoided during application.

Description

technical field [0001] The invention relates to oral medical CT equipment, in particular to a pressure plate assembly and positioning tool. Background technique [0002] figure 1 It is a partial schematic diagram of dental medical CT equipment. figure 2 It shows an exploded view of the rotating device of the existing oral medical CT equipment, and for the sake of clarity, the first wrench and the second wrench are shown at the same time. [0003] Dental medical CT equipment includes a frame 1 , a support table 2 , a radiation source 3 , a sensor 4 , two ear clips 5 and a rotating device 6 . [0004] The frame 1 is connected to and supports the support platform 2 . The radiation source 3 and the sensor 4 are opposite to each other and respectively arranged under the supporting platform 2 , the radiation source 3 emits radiation, and the sensor 4 is used for sensing the radiation emitted by the radiation source 3 and forming an image. [0005] The rotating device 6 is hor...

AI Technical Summary

Problems solved by technology

[0022] In the above assembly process, after the pressure plate 62 is assembled with the dial mounting plate 64, the height of the pressure plate 62 relative to the turntable 61 depends on the repeated adjustment and measurement of a plurality of spring plungers 65, and the accuracy of this adjustment and measurement depends on the operator. Unqualified experience requires re-adjustment, high skill requirements for operators, time-consuming, difficult to guarantee quality consistency and difficult to control

In addition, if there is a deviation in the gap at the position where the multiple spring plungers 65 are located, since the pressure plate 62 is horizontally connected to the aforementioned driving device and serves as a horizontal reference point, the turntable 61 is relatively pressed by the action of the multiple spring plungers 65 . The disc 62 is deflected (that is, the turntable 61 cannot be kept horizontal), which in turn causes the aforesaid pair of ear clips 5 to deflect and make the positioning of the human oral cavity incorrect. side) scanning, the other side of the oral cavity (such as the right side) may also be scanned and form a ghost image on the imaging side of the previous scanning side, resulting in deviations in the judgment of the disease during oral scanning

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