Industrial CT objective table

By introducing a lifting and self-locking rotating structure into the industrial CT stage, the problem of inflexible height and angle adjustment in existing technologies has been solved, enabling efficient multi-angle scanning imaging and improving detection efficiency and image quality.

CN223656976UActive Publication Date: 2025-12-12SHANGHAI ZHIFU TECH SERVICE CO LTD
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Patent Information

Application Number
CN202423060062.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-11
Publication Date
2025-12-12
Estimated Expiration
2034-12-11

AI Technical Summary

Technical Problem

The existing industrial CT stage cannot be flexibly adjusted in height, which means that workpieces of different heights cannot be placed in the appropriate scanning position. It cannot guarantee that the X-ray source and detector of the CT scanning equipment maintain the optimal scanning distance and angle relationship with the workpiece, resulting in low detection efficiency and the inability to accurately rotate to a specific angle for multi-angle scanning.

Method used

A lifting stage was designed, which adjusts the height of the stage by means of positive and negative lead screws and motor drive, and is equipped with a self-locking rotating structure. It uses a worm gear mechanism to achieve precise angle rotation, ensuring that CT rays can penetrate the critical parts of the workpiece at the optimal angle.

Benefits of technology

It enables flexible adjustment of the stage height and precise rotation, improving the loading and unloading speed and inspection efficiency of workpieces, and obtaining high-quality scanning images.

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Abstract

The utility model relates to the technical field of industrial CT, and provides an industrial CT objective table which comprises a bottom shell, a carrying shell is movably embedded in the inner surface of the bottom shell, the interior of the bottom shell is rotationally connected with a positive and negative screw rod and extends out of one end, through grooves are formed in the two sides of the carrying shell, the outer surface of the positive and negative screw rod is arranged in the two through grooves, and the two ends of the positive and negative screw rod are fixedly connected with the bottom shell. And the outer surface of the positive and negative screw rod is in threaded connection with two internal thread blocks, the bottoms of the internal thread blocks are fixedly connected with limiting plates, and limiting grooves are formed in the bottom of the inner surface of the bottom shell. The device is provided with the lifting structure, so that the height of the objective table can be flexibly adjusted, workpieces with different heights can be positioned at proper scanning positions, and the optimal scanning distance and angle relation between a radiation source and a detector of CT scanning equipment and the workpieces can be kept, so that high-quality scanning images can be obtained, the workpiece loading and unloading speed is high, and the working efficiency is high. Therefore, the detection efficiency is high.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of industrial CT, especially to an industrial CT object table. BACKGROUND

[0002] The industrial CT object table is a key component in the industrial CT equipment, which mainly has the following purposes: during the industrial CT scanning process, the object table provides a stable support platform for the detected object, and the object table can ensure that these parts are relatively fixed in position during the scanning process, avoiding the generation of scanning artifacts due to object shaking, thereby ensuring the accuracy and clarity of the scanning image and ensuring that they do not displace during the scanning process. It is like a display stand that places the observed object steadily in the right position, facilitating the smooth development of subsequent CT scanning work, so that the object can be scanned by CT in the best posture.

[0003] However, the prior art such as the authorized announcement number: CN217068954U, "an industrial CT object table", the utility model provides an industrial CT object table, including rotating device, object table and clamping assembly, rotating device includes support frame, power mechanism and turntable, the lower surface of support frame is installed with power mechanism, power mechanism is used for driving turntable rotation, turntable sets up support frame top, object table and turntable are detachably connected, clamping assembly sets up on object table. The industrial CT object table of the utility model has the advantages of simple structure, clamping assembly clamping the workpiece to be measured, which can stably install different shapes of workpieces to be measured on the object table, avoid the workpiece position offset and movement due to the rotation of the object table, make the detection result of the industrial CT accurate and the detection efficiency high.

[0004] However, this device does not set up a lifting structure, and the height of the object table cannot be flexibly adjusted. Different height workpieces cannot be placed in the appropriate scanning position, and the optimal scanning distance and angle relationship between the CT scanning device's ray source and the detector and the workpiece cannot be maintained, so that high-quality scanning images cannot be obtained. The workpiece loading and unloading speed is slow, resulting in low detection efficiency. The device does not set up a self-locking rotary structure, and the object table cannot be accurately rotated to a specific angle, so that the CT ray can penetrate the key parts of the workpiece at the best angle. The object table cannot be rotated at fixed angle intervals to perform multi-angle scanning imaging of the workpiece. UTILITY MODEL CONTENTS

[0005] The utility model discloses a purpose is to solve the prior art, cannot flexibly adjust the height of the object table, the workpiece of different height can not all be in the appropriate scanning position, cannot guarantee the optimal scanning distance and angle relation between the ray source and the detector of CT scanning equipment and workpiece, thereby obtaining high quality scanning image, the workpiece's loading and unloading speed is slow, lead to detection efficiency is lower, cannot rotate the object table to the specific angle accurately, thereby make CT ray can penetrate the key position of workpiece with the best angle, cannot rotate the object table according to fixed angle interval, multi-angle scanning imaging to workpiece problem.

[0006] In order to realize the above-mentioned purpose, the utility model discloses the following technical scheme: an industrial CT object table, including bottom shell, the inner surface movable embedding of bottom shell is equipped with the object shell, the inside rotation of bottom shell is connected with positive and negative screw rod and extends one end, the both sides of object shell are all set with through slot, the outer surface of positive and negative screw rod is arranged in the inside of two through slots, the outer surface screw thread of positive and negative screw rod is connected with two internal thread blocks, the bottom fixed connection of internal thread block is equipped with the limiting plate, the bottom of the inner surface of bottom shell is equipped with the limiting groove, the outer surface movable embedding of two limiting plates is in the inside of limiting groove, the top fixed connection of internal thread block is equipped with first axle block, the inside rotation of first axle block is connected with connecting rod, the rotation connecting of the one end of connecting rod away from first axle block is equipped with second axle block, the top fixed connection of two second axle blocks is in the inner surface of object shell, and the rotation screw will drive internal thread block, and the limiting plate of internal thread block bottom can only move in the inside of limiting groove, so that the rotation screw can drive two internal thread blocks, and mutually far away along the slotting direction of limiting groove.

[0007] As a preferred implementation, one side of the bottom shell is fixedly connected with a mounting sleeve, the inner surface of the mounting sleeve is fixedly embedded with a first motor, the output end of the first motor is fixedly connected to the one end of the positive and negative screw rod extending out, and the first motor is energized to drive the positive and negative screw rod to rotate in the bottom shell.

[0008] As a preferred implementation, the top of the object shell is rotatably connected with a rotating rod, the top of the rotating rod is fixedly connected with a pressure bearing plate, the top of the pressure bearing plate is fixedly connected with a stop plate, and the rotating rod and the pressure bearing plate rotate at the top of the object shell, so that the CT rays can penetrate the key position of the workpiece at the best angle.

[0009] As a preferred implementation, the pressure bearing plate is provided with a wedge groove, a wedge block is movably embedded in the wedge groove, the top of the wedge block is fixedly connected with a clamping plate, and the clamping plate and the wedge block at the bottom move along the slotting direction of the wedge groove.

[0010] As a preferred implementation form, the top of the pressure plate is fixedly connected with an internally threaded plate, the internally threaded plate is internally threadedly connected with a threaded rod, one end of the threaded rod is fixedly connected with a rocker, and the end of the threaded rod away from the rocker is rotationally connected to one side of the clamping plate.

[0011] As a preferred implementation form, the bottom of the rotating rod is fixedly connected with a worm gear, and the outer surface of the worm gear is meshingly connected with a worm.

[0012] As a preferred implementation form, the outer surface of the worm is rotationally connected with two shaft plates and extends one end, the top of the two shaft plates is fixedly connected to the inner surface of the object carrier shell, and the worm can rotate in the shaft plate.

[0013] As a preferred implementation form, the inner surface of the object carrier shell is fixedly connected with a second motor at the bottom, and the output end of the second motor is fixedly connected to the extended end of the worm.

[0014] Compared with the prior art, the advantages and positive effects of the utility model are that:

[0015] The device is provided with a lifting structure, the height of the object carrier table can be flexibly adjusted, workpieces of different heights can be in a suitable scanning position, the optimal scanning distance and angle relationship between the ray source and the detector of the CT scanning equipment and the workpiece are maintained, high-quality scanning images are obtained, the workpiece loading and unloading speed is relatively fast, and the detection efficiency is relatively high.

[0016] The device is provided with a self-locking rotary structure, the object carrier table can be accurately rotated to a specific angle, the CT ray can penetrate the key part of the workpiece at the optimal angle, the object carrier table can be rotated at fixed angle intervals, and multi-angle scanning imaging of the workpiece can be performed. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 A three-dimensional structure schematic view of the industrial CT object carrier table is provided.

[0018] Figure 2 A back structure schematic view of the industrial CT object carrier table is provided.

[0019] Figure 3 A disassembly structure schematic view of the industrial CT object carrier table is provided.

[0020] Figure 4 A cross-sectional structure schematic view of the industrial CT object carrier table is provided.

[0021] Figure 5 The utility model provides a kind of sectional structure schematic diagram of industrial CT object table.

[0022] Legend:

[0023] 1, bottom shell;2, object shell;3, positive and negative screw;4, through slot;5, internal thread block;6, limit plate;7, limit slot;8, first axle block;9, connecting rod;10, second axle block;11, mounting sleeve;12, first motor;13, rotating rod;14, pressure plate;15, stop plate;16, wedge groove;17, wedge block;18, clamping plate;19, internal thread plate;20, threaded rod;21, rocker;22, worm wheel;23, worm;24, axle plate;25, second motor. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0025] Please refer to Figures 1 to 5 The utility model provides a kind of technical schemes: a kind of industrial CT object table, including bottom shell 1, the inner surface of bottom shell 1 is movably embedded with object shell 2, the inside rotation of bottom shell 1 is connected with positive and negative screw 3 and extends one end, the both sides of object shell 2 are all set with through slot 4, the outer surface of positive and negative screw 3 is set in the inside of two through slots 4, the outer surface of positive and negative screw 3 is connected with two internal thread blocks 5, the bottom of internal thread block 5 is fixedly connected with limit plate 6, the inside bottom of bottom shell 1 is set with limit slot 7, the outer surface of two limit plates 6 is movably embedded in the inside of limit slot 7, the top of internal thread block 5 is fixedly connected with first axle block 8, the inside rotation of first axle block 8 is connected with connecting rod 9, the end of connecting rod 9 away from first axle block 8 is rotationally connected with second axle block 10, the top of two second axle blocks 10 is fixedly connected in the inner surface of object shell 2, when internal thread block 5 moves, one end of connecting rod 9 will be driven by first axle block 8, the other end of connecting rod 9 will promote object shell 2 by second axle block 10, to adjust the height of bottom shell 1 and object shell 2.

[0026] As Figures 1 to 5 Indicated, one side of bottom shell 1 is fixedly connected with mounting sleeve 11, the inner surface of mounting sleeve 11 is fixedly embedded with first motor 12, the output end of first motor 12 is fixedly connected in the one end of positive and negative screw 3 extension, and first motor 12 is fixed on one side of bottom shell 1 by mounting sleeve 11.

[0027] As Figures 1 to 5 shown, the top of the carrier shell 2 is rotatably connected with a rotating rod 13, the top of the rotating rod 13 is fixedly connected with a pressure plate 14, the top of the pressure plate 14 is fixedly connected with a stop plate 15, the rotating rod 13 and the pressure plate 14 rotate at the top of the carrier shell 2, so that the CT ray can penetrate the key parts of the workpiece at the best angle.

[0028] As Figures 1 to 5 shown, the pressure plate 14 is provided with a wedge groove 16, the wedge groove 16 is movably embedded with a wedge block 17, the top of the wedge block 17 is fixedly connected with a clamping plate 18, the clamping plate 18 and the bottom wedge block 17 move along the slotting direction of the wedge groove 16.

[0029] As Figures 1 to 5 shown, the top of the pressure plate 14 is fixedly connected with an internally threaded plate 19, the internally threaded plate 19 is screwedly connected with a threaded rod 20, one end of the threaded rod 20 is fixedly connected with a rocker 21, the end of the threaded rod 20 away from the rocker 21 is rotatably connected to one side of the clamping plate 18, the threaded rod 20 is rotated in the internally threaded plate 19 by the rocker 21, the rotating thread pushes the clamping plate 18, so that the clamping plate 18 and the bottom wedge block 17 move along the slotting direction of the wedge groove 16.

[0030] As Figures 1 to 5 shown, the bottom of the rotating rod 13 is fixedly connected with a worm gear 22, the outer surface of the worm gear 22 is meshingly connected with a worm 23, the worm 23 drives the rotating rod 13 to rotate at the top of the carrier shell 2 under the meshing action of the worm gear 22.

[0031] As Figures 1 to 5 shown, the outer surface of the worm 23 is rotatably connected with two shaft plates 24 and extends one end, the top of the two shaft plates 24 is fixedly connected to the inner surface of the carrier shell 2, and the worm 23 can rotate in the shaft plate 24.

[0032] As Figures 1 to 5 shown, the inner surface of the carrier shell 2 is fixedly connected with a second motor 25 at the bottom, the output end of the second motor 25 is fixedly connected to the extended end of the worm 23, and the second motor 25 drives the worm 23 to rotate in the shaft plate 24 after being electrified.

[0033] Working principle: first need to detect the workpiece placed in the pressure plate 14 above, then through the rocker 21 drive screw rod 20 in the inner thread plate 19 rotation, rotation screw will push the clamping plate 18, so that the clamping plate 18 and the bottom wedge 17, along the wedge groove 16 slotting direction of movement, and the workpiece clamping between the stop plate 15 and clamping plate 18, then according to the height of the workpiece adjustment bottom shell 1 and the height of the carrier shell 2, can start the first motor 12 power supply, the first motor 12 model: Y90, rated power: 2000W, the first motor 12 through the installation of sleeve 11 fixed in the bottom shell 1 side, the first motor 12 after electrification will drive the positive and negative screw rod 3 in the bottom shell 1 rotation, rotation screw will drive the inner thread block 5, the limit plate 6 at the bottom of the inner thread block 5 can only move in the limit groove 7, so the rotation screw can drive two inner thread block 5, away from each other along the slotting direction of limit groove 7, the inner thread block 5 in the movement will drive the one end of the connecting rod 9 through the first shaft block 8, the other end of the connecting rod 9 will push the carrier shell 2 through the second shaft block 10, so as to adjust the height of the bottom shell 1 and the carrier shell 2, the carrier shell 2 opening through groove 4 can facilitate the carrier shell 2 up and down movement, then in order to rotate the carrier accurately to a specific angle, can start the second motor 25 power supply, the second motor 25 model: Y80, rated power: 750W, the second motor 25 after electrification will drive the worm 23 in the shaft plate 24 rotation, at the same time the worm 23 will be in the meshing effect of worm gear 22, drive the rotating rod 13 in the carrier shell 2 top rotation, so that the CT ray can penetrate the key parts of the workpiece at the best angle.

[0034] The above is only the preferred embodiment of the present application, not other forms of the present application is limited, any skilled in the art of technical personnel may use the above disclosed technology content to change or modification of equivalent changes in equivalent embodiments applied to other fields, but any simple modification, equivalent changes and modification of the above embodiments, which do not deviate from the technical scheme of the present application, according to the technical essence of the present application, still belongs to the protection scope of the present application technical scheme.

Claims

1. An industrial CT object table comprising a bottom housing (1), characterized in that, The inner surface of the bottom shell (1) is movably embedded with the object carrying shell (2), the inside of the bottom shell (1) is rotatably connected with the positive and negative screw rod (3) and extends out one end, both sides of the object carrying shell (2) are provided with the through slot (4), the outer surface of the positive and negative screw rod (3) is arranged in the inside of the two through slots (4), the outer surface of the positive and negative screw rod (3) is screwedly connected with the two internal threaded blocks (5), the bottom of the internal threaded block (5) is fixedly connected with the limiting plate (6), the bottom of the inner surface of the bottom shell (1) is provided with the limiting groove (7), the outer surfaces of the two limiting plates (6) are movably embedded in the inside of the limiting groove (7), the top of the internal threaded block (5) is fixedly connected with the first shaft block (8), the inside of the first shaft block (8) is rotatably connected with the connecting rod (9), the end, away from the first shaft block (8), of the connecting rod (9) is rotatably connected with the second shaft block (10), and the tops of the two second shaft blocks (10) are fixedly connected to the inner surface of the object carrying shell (2).

2. An industrial CT stage according to claim 1, characterized in that: One side of the bottom shell (1) is fixedly connected with the mounting sleeve (11), the inner surface of the mounting sleeve (11) is fixedly embedded with the first motor (12), and the output end of the first motor (12) is fixedly connected to the end, extending out of the positive and negative screw rod (3).

3. An industrial CT stage according to claim 2, wherein: The top of the object carrying shell (2) is rotatably connected with the rotating rod (13), the top of the rotating rod (13) is fixedly connected with the pressure bearing plate (14), and the top of the pressure bearing plate (14) is fixedly connected with the stop plate (15).

4. An industrial CT stage according to claim 3, wherein: The pressure bearing plate (14) is provided with the wedge groove (16), the inside of the wedge groove (16) is movably embedded with the wedge block (17), and the top of the wedge block (17) is fixedly connected with the clamping plate (18).

5. An industrial CT stage according to claim 4, wherein: The top of the pressure bearing plate (14) is fixedly connected with the internally threaded plate (19), the inside of the internally threaded plate (19) is screwedly connected with the threaded rod (20), one end of the threaded rod (20) is fixedly connected with the rocker (21), and the end, away from the rocker (21), of the threaded rod (20) is rotatably connected to one side of the clamping plate (18).

6. An industrial CT stage according to claim 5, wherein: The bottom of the rotating rod (13) is fixedly connected with the worm gear (22), and the outer surface of the worm gear (22) is meshedly connected with the worm (23).

7. An industrial CT stage according to claim 6, wherein: The outer surface of the worm (23) is rotatably connected with the two shaft plates (24) and extends out one end, and the tops of the two shaft plates (24) are fixedly connected to the inner surface of the object carrying shell (2).

8. An industrial CT stage according to claim 7, characterized in that: The inside of the object carrying shell (2) is fixedly connected with the second motor (25), and the output end of the second motor (25) is fixedly connected to the end, extending out of the worm (23).

Citation Information

Patent Citations

  • Industrial CT objective table

    CN217068954U