KR20160105738A - X-ray Apparatus for Inspecting Object Automatically Using Controlled Transfer Structure - Google Patents

Abstract

The present invention relates to an X-ray inspection apparatus for automatic inspection by using a transfer control structure and, more specifically, to an X-ray inspection apparatus for automatic inspection by using a transfer control structure to control a transfer speed while being continuously transferred by a transfer means such a conveyer. The X-ray inspection apparatus comprises: a supply module (10) which has at least one input control unit (12) controlling a movement speed of continuously supplied inspection targets (B); an inspection module (20) which includes an alignment unit (27) aligning the inspection targets (B) supplied from the supply module (10), at least one X-ray tube (24a, 24b) for inspection of the inspection targets (B) aligned by the alignment unit (27), and detectors (25a, 25b); and a discharge module (30) which includes a discharge control unit (31) controlling a discharge speed of the inspection targets (B) discharged from the inspection module (20).

Description

TECHNICAL FIELD [0001] The present invention relates to an X-ray inspection apparatus,

The present invention relates to an X-ray inspection apparatus for automatic inspection of a conveyance control structure system, and more particularly, to an X-ray inspection apparatus for automatic inspection of a conveyance control structure system in which a conveyance speed can be controlled while being continuously conveyed by a conveyance means such as a conveyor. To an inspection apparatus.

X-ray inspection is applied to various industrial fields including medical field, and various types of inspection devices according to product types are known in each application field. For example, an x-ray inspection apparatus may be applied to defect inspection of a printed circuit board, defect inspection of a mobile device, defect inspection of a food container, or foreign matter detection of a food to inspect the defect of the product. Generally, an object to be inspected in the X-ray inspection apparatus can be continuously supplied by a conveying means such as a conveyor. And the x-ray transmission image is formed by the x-ray tube and the detector in the shielded inspection chamber. While the X-rays must be shielded during the inspection process, the objects to be inspected need to be aligned properly in the inspection stage. The transport structure of the object to be inspected, the shielding method of the X-ray and the alignment of the object to be inspected are the main factors to be considered for the efficiency of the X-ray inspection.

Prior art relating to x-ray inspection is Patent No. 0978054, 'Battery x-ray inspection device'. The prior art aims to provide an X-ray inspection apparatus capable of rotating an object to be inspected, including an XYZ-axis, at various angles. For this purpose, the prior art includes a fixed table having a sliding door formed on a front surface of the case, a sensor provided on a side surface of the sliding door, a guide between the x-ray tube and the detector to be rotatable by a motor, A Y-axis moving table having a guide rotatable by a motor is disposed at an upper portion thereof, a guide is provided at an upper portion of the Y-axis moving table so as to be rotatable by a motor, An X-axis moving table for moving the X-axis moving table in the Y-axis direction, a coupling opening for moving the Y-axis horizontally along the X-axis moving table, a seating unit formed on both sides of the upper portion, Ray inspection apparatus having a table on which a tray having a plurality of trays is disposed.

Another prior art related to x-ray inspection is Patent Registration No. 0956797, 'X-ray Inspection Device for Plate Pads'. The prior art includes a conveyor for transferring roll-type sheet-like pads from one side to the other inside the main body, an x-ray tube for irradiating x-rays at the top of the conveyor, a detector formed at the lower part of the conveyor, And a driving device or a spring for engaging with the rotating roller and holding the plate-shaped pad stably and transporting the plate-shaped pad stably at the upper part, respectively, And a loading roller configured to roll and take up a roll-type plate-shaped pad, which is conveyed and discharged from the conveyor at the outside of the entrance side of the conveyor, at a constant speed by a motor About X-ray Inspection System for Plate Pads The deadline.

Another prior art related to x-ray inspection apparatus is Patent Registration No. 1133048, 'Battery Inspection Apparatus'. The prior art includes a partition wall for shielding a second stage for inspecting a battery from a first stage for loading and unloading the battery so that the x-ray is interrupted during the inspection of the battery, and an outer wall for shielding the second stage from the outside A chamber; A loading unit for transferring the battery to the first stage, an unloading unit for transferring the battery to the outside of the chamber in the first stage, and an unloading unit for transferring the battery received from the loading unit, And a transfer unit for transferring the battery to the first stage and the transfer unit for transferring the battery to the first stage and the second stage for transferring the battery to the unloading unit when the inspection of the battery is completed, A transfer path portion for forming a path for inspecting the battery between the first and second stages via the first and second stages and the battery may be set respectively, A first stage arranged in a direction from the first stage toward the second stage, And a second conveying jig.

The prior art does not disclose an x-ray inspection apparatus that allows a plurality of inspected objects to be aligned and inspected at the inspection position while being continuously transferred, and to be discharged in a series of orders. For example, products such as electronic components, printed circuit boards or batteries can be assembled in large quantities and can be continuously conveyed through conveying means such as conveyors. It is advantageous to continuously carry out the inspection of the transferring process or the predetermined process of such a product. The prior art applies a transporting and inspecting method using a tray or a fixing jig. However, the conveying and inspecting by trays or fixing jigs has a disadvantage in that the structure is complicated and continuous inspection of a large number of products is difficult.

The present invention has been made to solve the problems of the prior art and has the following purpose.

An object of the present invention is to provide an x-ray inspection apparatus for automatic inspection of a continuous conveyed object which enables continuous inspection while controlling the supply or discharge speed of the object to be inspected in the conveyance path.

According to a preferred embodiment of the present invention, an X-ray inspection apparatus for automatic inspection of a conveyance control structure system comprises: a supply module having at least one input control unit for controlling a conveyance speed of a subject to be inspected continuously supplied; An inspection unit provided with an alignment unit for aligning the object to be inspected supplied from the supply module and at least one X-ray tube and a detector for inspection of the object to be inspected arranged in the alignment unit; And an exhaust module having an exhaust control unit for controlling the exhaust speed of the object to be inspected which is discharged from the inspection module.

According to a preferred embodiment of the present invention, at least one of the at least one x-ray tube is arranged to be movable in a direction perpendicular to the transport direction.

According to another preferred embodiment of the present invention, said supply module, inspection module and discharge module have independent transport means.

According to another preferred embodiment of the present invention, the aligning unit comprises a pressing unit which is in contact with the object to be inspected and can apply a force in a direction perpendicular to the conveying path, and a pressing unit And a position adjusting unit for determining the position of the movable member.

According to another preferred embodiment of the present invention, the discharge control unit includes an exhaust body, an extension arm coupled to the discharge body to be rotatable up and down by a rotary shaft, and a stopper coupled to an end of the extension arm.

According to another preferred embodiment of the present invention, the x-ray inspection apparatus includes a first guide extending along the conveying direction, a second guide movable along the first guide, and a finger unit arranged to be movable up and down along the second guide. And a pickup unit.

The inspection apparatus according to the present invention has an advantage that the inspection efficiency can be improved by allowing the inspection subject to be inspected continuously. So that the process can be automatically performed by controlling the conveying speed of the subject to be inspected according to the present invention. Further, the inspection apparatus according to the present invention has an advantage that inspection reliability can be improved by obtaining an image of the inspection subject in different angles. Further, the inspection apparatus according to the present invention has an advantage that it is possible to classify the objects to be inspected, and to select the defective products from the inspected products.

1 shows an embodiment of an x-ray inspection apparatus according to the present invention.
2A shows an embodiment of an input control unit which can be applied to an inspection apparatus according to the present invention.
FIG. 2B shows an embodiment of a process of transferring an object to be inspected from an input module to an inspection module in an inspection apparatus according to the present invention.
3A shows an embodiment of a test module that can be applied to an inspection apparatus according to the present invention.
FIG. 3B shows an embodiment of an alignment unit that can be applied to an inspection apparatus according to the present invention.
Fig. 4A shows an embodiment of a discharge control unit that can be applied to the inspection apparatus according to the present invention.
4B shows an embodiment of a pick-up unit which can be applied to the inspection apparatus according to the present invention.
Fig. 5 shows another embodiment of the inspection apparatus according to the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail with reference to the embodiments shown in the accompanying drawings, but the present invention is not limited thereto. In the following description, components having the same reference numerals in different drawings have similar functions, so that they will not be described repeatedly unless necessary for an understanding of the invention, and the known components will be briefly described or omitted. However, It should not be understood as being excluded from the embodiment of Fig.

1 shows an embodiment of an x-ray inspection apparatus according to the present invention.

Referring to Fig. 1, the inspection apparatus according to the present invention comprises a supply module 10 having at least one closing control unit 12 for controlling the feeding speed of a continuously-inspected object B to be inspected; An alignment unit 27 for aligning the subject B to be inspected supplied from the supply module 10 and at least one X-ray tube 24a for inspecting the subject B to be aligned with the alignment unit 27 , 24b) and detectors (25a, 25b); And an exhaust control unit (31) having an exhaust control unit (31) for controlling the exhaust speed of the object to be inspected (B) discharged from the inspection module (20).

The inspection apparatus according to the present invention can be applied to inspection of any product requiring non-destructive inspection, which should be inspected while being continuously transported. Continuous transfer is, for example, continuous feeding through a production process, supply in a predetermined order from, for example, a unit such as a magazine in which a plurality of products can be accommodated, or continuously supplied in a predetermined order to a storage space It says. And the continuous inspection means that the inspection for a plurality of products is sequentially performed in a sequential order.

The inspection apparatus according to the present invention can be applied to any product capable of continuous supply, including, but not limited to, inspection of electronic components, containers, or batteries. Although a battery test is shown below as an example, this is exemplary and the invention is not limited to the embodiments shown.

The supply module 10 may have a function of adjusting the supply speed of each inspected object B while continuously supplying the inspected object B such as a battery. The subject B to be inspected can be accommodated in a device such as the magazine M in a plurality of, for example, a series of orders. And may be supplied to the conveying means C1 such as a conveyor in a predetermined order by an apparatus such as an appropriate push unit as necessary. The magazine M may have its own transportable structure or may be transported by the first transporting means C1 and moved to a predetermined position. The push unit can discharge the object B to be inspected contained in the magazine B in a predetermined order and load it on the conveying means C1. However, the subject B to be inspected can be loaded on the conveying means C1 in various ways, and the present invention is not limited to the conveyance by the magazine B. For example, the object B to be inspected may be conveyed through the conveyor line of the process line.

The first conveying means C1 may be a conveyor belt rotating by a driving means such as a motor and each battery may be moved in turn along the conveying means C1. When the subject B to be inspected is loaded on the conveying means C1, it can be detected by the loading sensor S1 and transmitted to the control module (not shown). The control module can control the operation of the entire device and identify each battery to detect or control the transfer and inspection process.

The feed rate of each inspected object B conveyed by the first conveying means C1 or whether or not the inspected object B is fed into the inspection module 20 can be controlled by the input control unit 12. [ As shown in Fig. 1, the feed control unit 12 may be installed in the feed path and the feeding of the subject B to be inspected by the feed control unit 12 may be stopped or permitted. At least one input control unit 12 can be installed in the conveyance path and each of the input control units 12 can determine whether the object B is to be inspected at a predetermined position.

An identification sensor S2 may be installed in the transport path. The identification sensor S2 may be, for example, but is not limited to, a bar code reader or a quick response (QR) code reader. The identification sensor S2 is for reading a unique identification mark given to each inspected object B and can be installed at a position where the inspected object B is input to the inspection module 20. [ The unique identification number of the subject B to be inspected detected by the identification sensor S2 can be transmitted to the control module. The object B to be inspected can be transferred to the inspection module 20.

The inspection module 20 can be composed of a sealable chamber R and includes a second conveying means C2 for conveying the object B to be inspected in the chamber R and a second conveying means C2 for conveying at least one At least one detector 25a, 25b corresponding to the x-ray tube 24a, 24b and each x-ray tube 24a, 24b can be arranged. The display unit can be installed outside the chamber R as occasion demands, but the display unit can be installed at an arbitrary position.

The second conveyance path C2 may be connected to the first conveyance path C1 or may have an independent structure and may operate separately from the first conveyance path C1. The second conveyance means C2 can be connected to the first conveyance path C1 and the conveyance path to be inspected can be formed to pass through the inlet 21 formed in the chamber C. [ A door that can be opened and closed can be installed in the charging port 21 and a charging sensor 22 can be installed in the charging port 21. [ When the door is opened, the object B to be inspected can be introduced into the inspection module 20 through the inlet 21. When the subject B is detected by the closing sensor 22, the door can be closed. Thereafter, the subject B to be inspected can be conveyed to the inspection position by the second conveying means C2. The second conveying means C2 can be, for example, a conveyor belt and can be operated by a rotating roller rotating by a motor.

The alignment unit 27 may be provided at the inspection position so as to be aligned at a predetermined position of the object to be inspected such as a battery. When the subject B to be inspected is aligned with the inspection position of the second conveying means C2, an x-ray image is formed by the x-ray tubes 24a and 24b and the detectors 25a and 25b and transmitted to the control module or the display unit . The X-ray units 24a and 24b or the detectors 25a and 25b can be made to be movable along the X, Y, and Z-axes, if necessary.

The x-ray tubes 24a and 24b can be at least one and accordingly the detectors 25a and 25b and the inspection position can be at least one and the alignment unit 27 can be arranged at each inspection position. In the embodiment shown in Fig. 1, the embodiments in which the x-ray tubes 24a and 24b are arranged at the upper side and the detectors 25a and 25b are arranged at the lower side are shown, but they may be arranged in reverse. When the X-ray tubes 24a and 24b are arranged in two or more numbers, each of the X-ray tubes 24a and 24b may be disposed at different positions and installed to irradiate the subject B to be inspected at different angles . Alternatively, each of the X-ray tubes 24a and 24b can inspect different objects B to be inspected. When an image of the subject B to be inspected at different angles is obtained by at least two X-ray tubes 24a and 24b, a stereoscopic image can be substantially obtained, thereby enabling an accurate inspection of the subject to be inspected . At least one x-ray tube (for example, Fig. 24b) may be provided so as to be movable vertically with respect to the transport direction, if necessary. For example, the first x-ray tube 24a may be fixed at a predetermined position and the second x-ray tube 24b may be arranged to be movable by the tube moving unit 241 in a direction perpendicular to the transport direction . Such a structure has an advantage that the alignment of the subject B to be inspected can be simplified while allowing inspection of different positions along the moving direction. Specifically, the object to be inspected B can be inspected by the first x-ray tube 24a while the object to be inspected B is arranged along one edge along the transfer direction. On the other hand, the second examination part of the subject B to be inspected can be inspected by moving the second X-ray tube 24b in the vertical direction. Such a structure has the advantage that inspection of the object B to be inspected having different sizes is possible without changing the apparatus.

The positional movement of the x-ray tubes 24a, 24b or the detectors 25a, 25b along the XYZ-axis or the adjustment of the projection angle of the x-rays can be achieved by various methods, and the present invention is limited by the moving structure or the tilting structure It does not.

When the inspection is completed in the inspection module 20, the related image is transmitted to the control module, and the determination result of the normal / bad status of each inspected object B can be stored in the control module. The object B to be inspected can be transferred to the discharge module 30 through the discharge port 29 provided in the chamber R. [ The discharge port 29 may be provided with a shielding door which is the same as or similar to the charging port 21. The opening and closing of the shielding door can be controlled by the control module.

The discharging module 20 can transport the subject B to be inspected through the third conveying means C3 independent of the second conveying means C2 and the third conveying means C2 can convey the subject B with the first conveying means C1, Or the second conveying means C22. The first conveying means C1, the conveying means C2 and the third conveying means C3 may form a conveyance path connected to each other and may be formed as separate structures separated from each other or formed integrally. When each of the conveying means C1, C2, and C3 is formed as an independent structure, the operation can be controlled by independent driving means, and the operation can be independently controlled by the control module. And the operation can be appropriately adjusted according to the conveying condition of the subject B to be inspected. On the other hand, when the conveying means C1, C2, and C3 are integrally formed, the input, inspection, or discharge of the inspected object B needs to be adjusted as a whole. The conveying means C1, C2, C3 may have various structures, and the present invention is not limited to the embodiments shown.

The discharge module 30 includes a discharge control unit 31 for controlling the conveyance speed of the inspected object B which has been inspected, a pick-up unit 31 for separating and discharging each inspected object B according to whether it is normal or defective, (32) and an exhaust unit (33).

The discharge unit 31 may have a structure for restricting or allowing the transfer of each inspected object B and the pickup unit 32 may pick up the inspected object B determined to be defective, It can be transported through the transport path. Then, the discharge unit 33 can cause the object B to be inspected to be discharged to be accommodated in the receiving unit such as the magazine M in turn, for example.

The control module stores the inspection results for the respective objects to be inspected B divided by the identification sensor S2 and controls the pickup unit 32 in accordance with the inspection results so that the object B to be inspected, As shown in FIG.

The inspection result for each inspected object B can be stored in the storage unit and the inspected object B accommodated in the magazine M after the inspection is completed can be transferred for later processing.

The embodiment shown in FIG. 1 is illustrative and the inspection apparatus according to the present invention may have various transport structures or inspection structures, and the present invention is not limited to the embodiments shown.

Hereinafter, a unit applicable to the inspection apparatus according to the present invention will be described.

FIG. 2A shows an embodiment of the input control unit 12 that can be applied to the inspection apparatus according to the present invention.

2B, the closing control unit 12 includes a fixing member 124 fixed to a frame, a cylinder body 121 coupled to the fixing member 124, and a cylinder body 121 installed to be movable along the inside of the cylinder body 121 And a stopper 122 coupled to an end portion of the guide member 123. As shown in FIG.

The insertion control unit 12 can be installed above the transfer path and the movement of the subject to be inspected can be restricted or allowed to be allowed according to the upward and downward movement of the guide member 123. [ The control module can move the guide member 123 so that the stopper 122 is positioned on the conveyance path. When the inspected object is transferred to the inspection module and the detection signal is transmitted, the guide member 123 can be moved to the inside of the cylinder body 121. Accordingly, Or may be injected into the inspection module.

The injection control unit 12 allows the subject to be inspected to be conveyed to a predetermined position in accordance with the rotation control of the conveying means while the subject to be inspected is positioned at a predetermined position. At the same time, the plurality of input control units 12 are arranged at regular intervals, so that the distance between the objects to be inspected can be maintained at a predetermined level. Thus, for example, the subject to be inspected can be accurately placed in the inspection module and placed at a predetermined position.

A plurality of input control units 12 can be arranged at regular intervals and each can control the movement of the object to be inspected. Each of the objects to be inspected can be input to the inspection module step by step and at predetermined intervals by the input control unit 12.

FIG. 2B shows an embodiment of a process of transferring an object to be inspected from an input module to an inspection module in an inspection apparatus according to the present invention.

Referring to FIG. 2B, one injection control unit 12 may be installed in the chamber R. [ The conveying means C1 can be rotated by the rotation of the rotating member C11 so that the subject B can be moved. If the inspected object B is not inspected in the inspection module during the movement of the inspected object B through the inlet 21 formed in the chamber R, The movement of the inspection object is restricted. Thereafter, the object to be inspected can be moved into the chamber R as the stopper 122 moves upward. And the object B to be inspected can be aligned at a predetermined position of the second conveying means.

The input limitation of the object B to be inspected can be achieved by various methods, and the present invention is not limited to the embodiments shown.

3A shows an embodiment of a test module that can be applied to an inspection apparatus according to the present invention.

3A, the inspection module 20 includes a second conveying means C2, which can be a closed chamber (R) structure and is connected to the first conveying means, at least one x-ray tube (24a, 24b), at least one detector disposed below the transport path and an alignment unit arranged in the second transport means (C2). And an inlet 21 and an outlet 29 may be formed in front of and behind the conveying path. And doors (211, 291) which can be opened and closed by the inlet (21) or the outlet (29)) or a shielding means. Further, a control module having a display unit or input means on the outside of the chamber R may be disposed.

The object to be inspected which has been put in through the first conveying means C1 can be transferred to the second conveying means C2 and can be arranged in a predetermined position of the second conveying means C2 by the aligning unit described below . The subject to be inspected aligned can be inspected by the respective X-ray tubes 24a and 24b, and after the inspection is completed, the door 291 is opened and discharged through the discharge port 29, and the third conveying means C3 ). ≪ / RTI > As described above, the first x-ray tube 24a can be fixed to a predetermined position and installed to be movable up and down. The second x-ray tube 24b can be moved in the direction perpendicular to the movement path or in the Y-axis direction by the tube moving unit 241 and can be moved up and down at the same time. Such a structure has an advantage that alignment of an object to be inspected can be simplified while enabling inspection of objects to be inspected having different specifications.

Described below is the alignment unit arranged in the second conveyance means C2.

Fig. 3B shows an embodiment of an alignment unit 27 which can be applied to an inspection apparatus according to the present invention.

3B, the aligning unit 27 can be installed in the second conveying unit C2 and includes a first aligning unit 27a for aligning the object B to be inspected such as a battery in the Y-axis direction, for example, And a second aligning unit 27b for aligning the battery units in the X-axis direction corresponding to the conveying direction. The first aligning unit 27a is disposed in front of the aligning plate 271 and the aligning plate 271 which are moved in the Y-axis direction by a device such as a screw, for example, And a control unit 272 that is movable in the direction of the arrow. The alignment plate 271 can be set to have a relatively large moving distance and the adjusting unit 272 can have a relatively small moving distance. Such a double regulating structure has the advantage that the accuracy of alignment is improved and the maintenance of the apparatus is facilitated.

The aligning plate 271 may be moved by a predetermined distance by the movement control unit 273 in order to align the subject B to be inspected along the Y-axis direction. Thereafter, each subject to be inspected can be accurately aligned to the alignment reference line BX by the adjustment unit 272. [ The plurality of control units 272 may be controlled together with the motion control unit 273 or independently by a separate control unit.

The restricted alignment unit 274 can be operated to align the object B to be inspected along the conveying direction or the X-axis direction. The restriction aligning unit 274 can be installed so as to be movable up and down by the movement control unit 275. The movement control unit 275 can be installed to be movable along the X-axis direction, and at the same time, the limit alignment unit 274 can be set such that the front part is rotated about the rotation axis. A plurality of constrained alignment units 274 can be installed and each movement controlled to allow inspection of different specifications or different inspection portions.

When the inspection of the subject to be inspected is completed, the restriction aligning unit 274 can be moved upward, and thus the subject to be inspected can be moved to the discharging module. The feed rate in the discharge module can be properly controlled.

4A shows an embodiment of an emission control unit 31 that can be applied to an inspection apparatus according to the present invention.

4A, the discharge control unit 31 may be disposed in the third transfer means C3 and may be coupled to the discharge body 311 and the discharge body 311 so as to be vertically rotatable by the rotary shaft 314 And a stopper 313 coupled to an end of the elongate arm 312. The elongate arm 312 may be formed of a flexible material.

The discharge speed needs to be adjusted in the process of discharging the inspected object B to be inspected from the inspection module and transferring it along the third conveyance means C3. The discharge body 311 may be fixed to a suitable frame and the elongated arm 312 may have a structure that extends a certain length and may be fixed to the discharge body 311 by a rotational axis 314. [ The stopper 313 formed on the front side of the extension arm 313 can contact the object B to be inspected to restrict the transfer.

The discharge control unit 31 may be formed in various structures and may have a structure similar to the injection control unit of the injection module, for example. The structure of the emission control unit 31 shown in Fig. 4A is illustrative, and the present invention is not limited to the illustrated embodiment.

The object B to be inspected which has passed through the discharge control unit 31 can be classified by the pickup unit.

4B shows an embodiment of a pick-up unit 32 which can be applied to the inspection apparatus according to the present invention.

It is possible to determine whether the object B to be inspected is normal or defective in the process of being inspected in the inspection module and each object B to be inspected can be identified by the identification sensor. The test result can be classified by the identification sensor and stored in the control module. The control module can detect the conveying process of the subject to be inspected and discharge the subject B to be inspected determined as bad by the pick-up unit 32 through a separate path. Or the picked up object B determined to be normal by controlling the pick-up unit 32 can be accommodated in a predetermined magazine.

4B, the pick-up unit 32 includes a first guide 322 extending along the conveying direction, a second guide 321 movable along the first guide 322, And a finger unit 323 arranged to be movable up and down.

The first guide 322 may be, for example, a linear guide (LM) and may have a suitable structure in which the second guide 321 can be moved along the transport path. The finger unit 323 can be coupled to the second guide 321 and the finger unit 323 can be coupled to the Z-axis member capable of moving along the second guide 321 in the vertical direction or the Z- And a pair of fingers capable of adjusting the separation interval. The fingers may have a suitable structure to hold the object B to be inspected. If necessary, the third guide may be disposed in a direction perpendicular to the first guide 322.

The object B to be inspected to be conveyed along the third conveying unit C3 is picked up by the pick-up unit 32 and can be conveyed to a predetermined conveying path depending on whether it is normal or defective.

An apparatus similar to the pick-up unit 32 shown in Fig. 4B can be arranged inside the inspection module.

Fig. 5 shows another embodiment of the inspection apparatus according to the present invention.

Referring to Fig. 5, a pick-up arm unit 50 similar to the embodiment of the pick-up unit shown in Fig. 4b can be arranged in the inspection module 20. Fig. When the object B to be inspected is judged to be defective in the inspection process, the arm unit 52 moves along the guide unit 51 and can grip the object B to be inspected using the finger unit 53 . And the inspected object B determined to be defective can be discharged to the outside of the inspection module 20. [ In this manner, discharging the object B to be inspected, which is judged to be defective by the pick-up arm unit 50 in advance, has an advantage of preventing an unnecessary inspection process from proceeding.

The discharge arm unit 50 can be applied to the inspection apparatus according to the present invention in various ways, and the present invention is not limited to the embodiments shown.

The inspection apparatus according to the present invention has an advantage that the inspection efficiency can be improved by allowing the inspection subject to be inspected continuously. So that the process can be automatically performed by controlling the conveying speed of the subject to be inspected according to the present invention. Further, the inspection apparatus according to the present invention has an advantage that inspection reliability can be improved by obtaining an image of the inspection subject in different angles. Further, the inspection apparatus according to the present invention has an advantage that it is possible to classify the objects to be inspected, and to select the defective products from the inspected products.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention . The invention is not limited by these variations and modifications, but is limited only by the claims appended hereto.

10: Supply module 12: Input control unit
20: inspection module 24a, 24b: x-ray tube
25a, 25b: detector 27: alignment unit
27a: pressure unit 27b: adjusting unit
30: exhaust module 31: exhaust control unit
32: pick-up unit 311: exhaust body
312: extension arm 313: stopper
314: rotation shaft 322: first guide
321: second guide 323: finger unit

Claims (3)

A supply module (10) having at least one closing control unit (12) for controlling a conveying speed of a subject (B) to be inspected continuously supplied;
An alignment unit 27 for aligning the subject B to be inspected supplied from the supply module 10 and at least one X-ray tube 24a for inspecting the subject B to be aligned with the alignment unit 27 , 24b) and detectors (25a, 25b);
A discharge module (30) having a discharge control unit (31) for controlling the discharge speed of the object to be inspected (B) discharged from the inspection module (20);
And a stopper 313 coupled to an end portion of the extension arm 312. The discharge arm 311 includes a discharge body 311, an extension arm 312 coupled to the discharge body 311 to be rotatable up and down by a rotary shaft 314, And a control unit (31). The apparatus according to claim 1, wherein at least one of the at least one x-ray tube (24a, 24b) is arranged to be movable in a direction perpendicular to the transport direction. The image forming apparatus according to claim 1, further comprising a first guide (322) extending along the transport direction, a second guide (321) movable along the first guide (322), and a second guide Further comprising a pick-up unit (32) including a finger unit (323).

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