CN221209019U - Product inner hole detection device - Google Patents

Abstract

The utility model relates to a product inner hole detection device which comprises an electric control cabinet and an operation table arranged at the top of the electric control cabinet, wherein a carrier is arranged at the top of the operation table, a Tray for bearing detected products is placed at the top of the carrier, a camera detection mechanism is arranged at the position, located at the rear side of the carrier, of the top of the operation table, a detection table is arranged at the position, located between the camera detection mechanism and the carrier, of the operation table, a Y-direction carrying module is arranged at one side, located at the top of the operation table, a linear guide rail is fixed at the other side, the Y-direction carrying module and the top of the linear guide rail are in sliding fit with an X-direction carrying module crossing the top of the carrier, and a carrying gripper capable of moving along the length direction of the X-direction carrying module is arranged at one side, corresponding to the camera detection mechanism. The product inner hole detection device can realize batch rapid inner hole detection of products with inner holes, ensures the detection precision of the inner holes of the products, has high detection efficiency, is suitable for detection of the hole walls of various products with inner holes, and has strong adaptability.

Description

Product inner hole detection device

Technical Field

The utility model relates to hole part inner hole detection, in particular to a product inner hole detection device.

Background

Flanges are widely used as a kind of connection member in many devices. Some flanges have an internal bore in the center for communication between two mating parts. In order to ensure the assembly accuracy, the flange as the connecting member itself has a relatively high structural accuracy, and therefore, it is necessary to detect dimensional accuracy and appearance defects after the flange is finished. For the detection of dimensional accuracy, related detection tools such as vernier calipers are generally used for detection, for the detection of defects such as scratches on the surface of a product, an operator usually observes whether the surface of the product has defects in a visual manner under the condition that the product is irradiated by a light source (such as a lighting lamp), and for the detection of the surface condition of a flange plate with an inner hole structure, the detection of the surface condition of the inner hole is usually carried out by visual detection by a linear small probe extending into the inner hole or by a flaw detection device. The detection mode of the inner hole easily causes missed detection or repeated detection on partial areas of the inner hole, and influences the detection precision and the detection effect.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a product inner hole detection device capable of detecting the surface condition of an inner hole in 360-degree dead angle-free mode.

In order to solve the technical problems, the utility model is realized by the following technical scheme: the product inner hole detection device comprises an electric control cabinet and an operation table arranged at the top of the electric control cabinet, wherein a carrier is arranged at the center of the top of the operation table, a Tray for bearing detected products is arranged at the top of the carrier, a camera detection mechanism is arranged at the position, located at the rear side of the carrier, of the top of the operation table, the camera detection mechanism corresponds to the center of the rear side of the carrier in a front-back manner, and a prism capable of rotating is arranged on the camera detection mechanism; a detection table is arranged at a position between the camera detection mechanism and the carrier table on the operation table, a detection carrier for placing and positioning a detected product is fixed at the top of the detection table, a detection hole penetrating through the bottom surface of the detection carrier and the bottom surface of the detection table is formed in a top cavity of the detection carrier, and the prism is positioned in the detection hole; the operation panel top is located the Y that longitudinal setting around being located one side of microscope carrier to transport the module, and the opposite side is fixed with length and Y and to transport the linear guide that the length was unanimous and control parallel and tip flushes around the module, Y is to transport the module and linear guide top sliding fit has the X to transport the module that spanes the microscope carrier top, X is to transport the module and can back and forth rectilinear movement through the drive of Y to transport the module, and X is to being provided with on the transport module one side that corresponds camera detection mechanism and to the transport tongs that can control the removal along with its length direction.

Preferably, the camera detection mechanism comprises a bracket, the front surface of the bracket) is provided with a Z-direction lifting module which is vertically arranged, an industrial camera is fixed on a sliding table of the Z-direction lifting module, a camera shooting port of the industrial camera is downward and corresponds to a detection carrier at the top of the detection table up and down, and the industrial camera can lift up and down through the sliding table of the Z-direction lifting module; the prism is movably connected to the bottom of the front face of the bracket in an up-down and rotatable mode.

Preferably, the position of the front surface of the support, which is close to the bottom, is provided with a prism lifting sliding table, the prism lifting sliding table is connected with a rotary stepping motor, the prism lifting sliding table can drive the rotary stepping motor to lift up and down, a transmission shaft of the rotary stepping motor is vertically upwards, and the prism is connected with the transmission shaft of the rotary stepping motor through a diaphragm coupler.

Preferably, the carrying gripper comprises a fixed seat, the fixed seat is fixedly arranged on a sliding table of the X-direction carrying module, the front surface of the carrying gripper is provided with a vertically arranged gripper lifting sliding table, the gripper lifting sliding table is connected with a clamping jaw cylinder, the clamping jaw of the clamping jaw cylinder is downward, and the clamping jaw cylinder can move up and down through the gripper lifting sliding table.

Preferably, the gripper lifting sliding table is provided with two groups, which are arranged in parallel left and right, and each group of gripper lifting sliding table is connected with a group of clamping jaw air cylinders.

Preferably, the clamping jaw is a V-shaped clamping jaw.

Preferably, the NG runner moving longitudinally back and forth is arranged at the top of the operating platform at the position between the carrying platform and the linear guide rail.

Preferably, the top cover of the operating platform is provided with a protective cover, and the front surface of the protective cover is provided with a split protective door.

Compared with the prior art, the utility model has the following advantages: the product inner hole detection device can realize batch rapid inner hole detection of products with inner holes, feedback on the surface condition of the inner holes of the products is realized by the mode of matching with prism reflection by an industrial camera, the rotating prism can realize detection of 360-degree dead angles around the inner holes of the products, the detection precision of the inner holes of the products is ensured, the detection efficiency is high, and the device is suitable for detection and use of various product hole walls with inner holes and has strong adaptability.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is an isometric view of a product bore detection apparatus of the present utility model;

FIG. 2 is a schematic diagram of the internal structure of a device for detecting the inner hole of a product according to the present utility model;

FIG. 3 is a schematic view of the top structure of an operation table in a product inner hole detection device according to the present utility model;

FIG. 4 is a schematic view of a camera detection mechanism in a product inner hole detection device according to the present utility model;

FIG. 5 is a schematic diagram of a handling module in a product inner hole inspection device according to the present utility model;

Fig. 6 is a schematic structural view of a carrying gripper in the product inner hole detection device according to the present utility model.

In the figure: 1. an electric control cabinet; 11. an operation table; 2. a protective cover; 3. a carrier; 31. a Tray disk; 4. a camera detection mechanism; 41. a bracket; 42. a Z-direction lifting module; 43. an industrial camera; 44. a prism lifting sliding table; 45. rotating the stepper motor; 46. a prism; 5. a detection table; 51. detecting a carrier; 52. a detection hole; 6. a Y-direction carrying module; 7. an X-direction carrying module; 71. a linear guide rail; 8. carrying grippers; 81. a fixing seat; 82. the gripper lifts the sliding table; 83. a clamping jaw cylinder; 84. v-shaped clamping jaw; 9. NG flow channel.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures. In the description of the embodiments of the present utility model, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate an azimuth or a positional relationship based on that shown in the drawings, or an azimuth or a positional relationship in which the product of the present utility model is conventionally put when used, it is merely for convenience of describing the present utility model and simplifying the description, and it does not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal," "vertical," and the like, if any, do not denote a requirement that the component be absolutely horizontal or vertical, but rather may be slightly inclined. As "horizontal" merely means that its orientation is more horizontal than "vertical" and does not mean that the structure or component must be entirely horizontal, but may be slightly inclined.

In the description of the embodiments of the present utility model, "plurality" means at least 2.

In the description of the embodiments of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Examples

Referring to fig. 1 and 2 of the specification, in the specific embodiment of the product inner hole detection device of the present utility model shown in fig. 1 and 2 of the specification, the product inner hole detection device is provided with an electric control cabinet 1 and an operation table 11 arranged at the top of the electric control cabinet 1, and an industrial personal computer is arranged in the electric control cabinet 1; referring to fig. 3 in the specification, a carrier 3 is arranged in the center of the top of the operation table 11, the carrier 3 is fixedly arranged on the top of the operation table 11 through bolts, and a Tray 31 for bearing the detected products is arranged on the top of the carrier 3; in order to facilitate the quick assembly and disassembly of the Tray 31, four limit blocks in a rectangular structure array are arranged at the top of the carrier 3, limit grooves which correspond to the limit blocks on the carrier 3 in position and number up and down are arranged at the bottom of the Tray 31, and the grooves at the bottom of the Tray 31 can be embedded and matched with limit protrusions on the carrier 3 after the Tray 31 is placed on the carrier 3, so that the horizontal position of the Tray 31 on the carrier 3 is limited; In order to further ensure the accuracy of the mounting position of the Tray disk 31 on the carrier 3, at least one vertically upward quick-change positioning pin shaft is arranged on the carrier 3, a pin shaft guide sleeve corresponding to the quick-change positioning pin shaft is arranged on the Tray disk 31, the pin shaft guide sleeve can be sleeved outside the quick-change positioning pin shaft, the position accuracy during the assembly between the Tray disk 31 and the carrier 3 can be ensured through the mutually matched quick-change positioning pin shaft and pin shaft guide sleeve, and different product Tray disks with inner hole structures can be placed on the carrier 3, so that batch detection is convenient to realize; the top of the operation table 1 is provided with a camera detection mechanism 4 at the position of the rear side of the carrying table 3, the camera detection mechanism 4 corresponds to the center of the rear side of the carrying table 3 from front to back, the camera detection mechanism 4 is provided with a prism 46 capable of rotating, the prism 46 can realize 360-degree rotation in the horizontal direction, in order to ensure that the wall surface of an inner hole of a product can be turned over in a light path, the camera detection mechanism 4 is convenient for shooting and collecting information of the inner wall surface of the hole, the prism 46 is a right-angle prism, the right-angle prism is easier to install, has better stability and strength for mechanical stress, and is used for turning over the light path; Referring to fig. 4 of the specification, the camera detection mechanism 4 includes a bracket 41, the bracket 41 is fixed on an upper frame, the upper frame is formed by splicing profiles, and is fixedly mounted on the electric control cabinet 1, a guard plate and a door plate are arranged outside the upper frame to form a protective cover 2, namely, the top of the operation table 11 is covered with the protective cover 2, the bottom of the protective cover 2 is fixedly connected with the electric control cabinet 1, a Tray 31 loaded with an inner hole product is fed on the carrying table 3 for convenience, and the front surface of the protective cover 2 is provided with a split type protective door which corresponds to the front surface of the carrying table 3; the front of the protective cover 2 is fixedly provided with a display at a position above the protective door, and the display is electrically connected with an industrial personal computer arranged in the electric control cabinet 1, so that detection information can be conveniently collected through the industrial personal computer; The front of the bracket 41 is provided with a vertically arranged Z-direction lifting module 42, an industrial camera 43 is fixed on a sliding table of the Z-direction lifting module 42, the industrial camera 43 is electrically connected with an industrial computer, and the acquired image can be fed back to a display through the industrial computer, so that the observation of operators is facilitated; The camera port of the industrial camera 43 is downward and vertically corresponds to the detection carrier 51 at the top of the detection table 5, the industrial camera 43 is provided with a light supplementing source, so that the collected part of the product is abundant in light, the image effect is ensured, in addition, in order to conveniently adjust the height of the industrial camera 43 and ensure the optimal image collecting height between the industrial camera 43 and the detected product, the industrial camera 43 can vertically move up and down through the sliding table of the Z-direction lifting module 42, the Z-direction lifting module 42 is a vertically arranged linear module, the Z-direction lifting module can drive the industrial camera connected with the Z-direction lifting module to vertically move, the height position is convenient to adjust, the prism 46 is vertically and rotatably movably connected at the bottom of the front surface of the bracket 41, in order to adjust the height of the prism 46 and facilitate 360-degree rotation of the prism 46 in the horizontal direction, a prism lifting sliding table 44 is arranged at the position, close to the bottom, of the front surface of the bracket 41, the prism lifting sliding table 44 is an air cylinder sliding table, a piston rod of the prism lifting sliding table is connected with a rotating stepping motor 45, the prism lifting sliding table 44 can drive the rotating stepping motor 45 to move up and down to realize the height adjustment of the rotating stepping motor 45, a transmission shaft of the rotating stepping motor 45 is vertically upwards, the prism 46 is connected with the transmission shaft of the rotating stepping motor 45 through a diaphragm coupler, and the back surface of the bracket 41 is fixedly connected with an upper frame through bolts, The lower end of the prism lifting sliding table 44 and the rotary stepping motor 45 are positioned in the electric control cabinet 1 at the bottom surface of the operation table 11; In order to facilitate the detection of the products one by one, referring to fig. 2 and 3 of the specification, a detection table 5 is disposed at the position between the camera detection mechanism 4 and the carrier 3 on the operation table 11, four corners of the bottom of the detection table 55 are erected on the operation table 11 through bolts, a detection carrier 51 for placing and positioning the detected products is fixed on the top of the detection table, a cavity matching with the outline shape of the products is provided at the center of the top of the detection carrier 51, it is noted that, the detection carrier 51 and the carrier 3 are quick-change carriers, in order to facilitate the corresponding up-down matching of the prism 46 and the industrial camera 43, a detection hole 52 penetrating the bottom surface of the detection carrier 51 and the bottom surface of the detection table 5 is provided in the top cavity of the detection carrier 51, The prism 46 is located in the detection hole 52, the prism 46 can realize the up-down height adjustment in the detection hole 52 by driving the prism lifting sliding table 44, and can realize the horizontal rotation in the detection hole 52 by rotating the stepper motor 45, and likewise, when a product with an inner hole is placed in a cavity of the detection carrier 51, the prism 46 can ascend into the inner hole of the product, the industrial camera 43 uses the refraction surface of the prism 46 to realize the image shooting of the inner hole wall surface of the product, and when the prism 46 drives the prism to rotate at a constant speed by rotating the stepper motor 45, the image shooting of the inner hole wall surface 360 of the product can be realized, so that the detection of the inner hole wall surface of the product is facilitated; Referring to fig. 2, 3 and 5 of the specification, in order to facilitate clamping and placing the products in the Tray 31 on the carrier 3 into the cavity of the detection carrier 51, a Y-direction carrying module 6 longitudinally arranged front and back is arranged at one side of the top of the operation table 1 on the carrier 3, a linear guide rail 71 with the length consistent with the front and back length of the Y-direction carrying module 6 and parallel to the left and right and with the end flush is fixed at the other side, an X-direction carrying module 7 crossing the top of the carrier 3 is slidably matched at the tops of the Y-direction carrying module 6 and the linear guide rail 71, the X-direction carrying module 7 and the Y-direction carrying module 6 are both linear modules, one end of the bottom of the X-direction carrying module 7 is installed on the Y-direction carrying module 6, The linear guide rail 71 is composed of a slide rail and a slide block, the slide rail is longitudinally fixed on the operation table 11, the slide block is fixedly arranged at the other end of the bottom surface of the X-direction carrying module 7, which is far away from the Y-direction carrying module 6, the slide block is in sliding fit with the slide rail, the X-direction carrying module 7 can linearly move forwards and backwards through the driving of the Y-direction carrying module 6, the linear guide rail 71 can ensure the stability of the front and back operation of the X-direction carrying module 7, a carrying grip 8 which can move leftwards and rightwards along with the length direction of the carrying grip 8 is arranged on one side of the X-direction carrying module 7 corresponding to the camera detection mechanism 4, the X-direction carrying module 7 can drive the carrying grip 8 to move leftwards and rightwards, correspondingly, the front and back movement of the carrying grippers 8 can be realized by combining the Y-direction carrying module 6; In order to facilitate the grabbing and placing of the product, referring to fig. 6 of the specification, the carrying gripper 8 includes a fixing seat 81, the fixing seat 81 is fixedly installed on a sliding table of the X-direction carrying module 7, the fixing seat 81 can move linearly in the left-right direction through the X-direction carrying module 7, the front surface of the carrying gripper is provided with a vertically arranged gripper lifting sliding table 82, the gripper lifting sliding table 82 is a cylinder sliding table, a gripper cylinder 83 is connected to the gripper lifting sliding table 82, the gripper lifting sliding table 82 can drive the gripper cylinder 83 to move up and down, in order to realize the grabbing and placing of the product, the gripping jaws of the gripper cylinder 83 are downward, the gripping jaws are V-shaped gripping jaws, the grabbing and clamping effects on the product are guaranteed; In order to improve the working efficiency, the gripper elevating sliding table 82 has two groups, which are arranged side by side, each group of gripper elevating sliding table 82 is connected with a group of clamping jaw air cylinders 83, when in operation, one group of clamping jaw air cylinders 83 grasp the product to be detected from the Tray 31, the other group of clamping jaw air cylinders 83 take the detected product out of the detection carrier 51, the other clamping jaw air cylinder 83 grasp the product to be detected simultaneously places the product to be detected on the detection carrier 51, the industrial camera 43 detects the product in the detection carrier 51, the clamping jaw air cylinders 83 clamp the detected product to judge the placing position according to the product detection result through the linkage of the Y-direction carrying module 7 and the X-direction carrying module 6, If the product detection is unqualified, the clamping jaw air cylinders 83 move to the position above the NG runner 9, unqualified products are placed on the NG runner 9 and output, then the empty carrying grippers 8 move to the Traya disc 31 again, and the products are grabbed by one group of clamping jaw air cylinders 83; if the product is detected to be qualified, the carrying gripper 8 moves the product to the position above the Tray 31, places the detected qualified product in an empty cavity in the Tray 31, and controls a group of empty clamping jaw cylinders 83 to grasp a new product to be detected from the Tray 31 again, so that the next round of detection is facilitated.

In order to facilitate the additional transportation of the unqualified products after detection, referring to fig. 1-3 of the specification, the part of the top of the operating platform 11 between the carrying platform 3 and the linear guide rail 71 is provided with a NG runner 9 moving longitudinally back and forth, the NG runner 9 is a conveyor belt, the front end of the NG runner 9 moves forward from back to front, passes through the front surface of the protecting cover 2 and extends outside the protecting cover 2, the protecting cover 2 is provided with a discharging hole facilitating the connection of the NG runner 9, and when the unqualified products are grabbed and placed on the NG runner 9 by the carrying grippers 8, the unqualified products are transported to the outer side of the protecting cover 2 through the NG runner 9 and are placed in sequence by an operator.

The product inner hole detection device can realize batch rapid inner hole detection of products with inner holes, feedback on the surface condition of the inner holes of the products is realized by the mode of matching with prism reflection by an industrial camera, the rotating prism can realize detection of 360-degree dead angles around the inner holes of the products, the detection precision of the inner holes of the products is ensured, the detection efficiency is high, and the device is suitable for detection and use of various product hole walls with inner holes and has strong adaptability.

It is emphasized that: the above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (8)

1. A product hole detection device, its characterized in that: the automatic detection device is characterized by comprising an electric control cabinet (1) and an operation table (11) arranged at the top of the electric control cabinet (1), wherein a carrying table (3) is arranged at the center of the top of the operation table (11), a Tray (31) for carrying detected products is arranged at the top of the carrying table (3), a camera detection mechanism (4) is arranged at the position, located at the rear side of the carrying table (3), of the top of the operation table (11), the camera detection mechanism (4) corresponds to the center of the rear side of the carrying table (3) in a front-back mode, and a prism (46) capable of rotating is arranged on the camera detection mechanism (4); a detection table (5) is arranged at a position between the camera detection mechanism (4) and the carrier (3) on the operation table (11), a detection carrier (51) for placing and positioning a detected product is fixed at the top of the detection table (5), a detection hole (52) penetrating through the bottom surface of the detection carrier (51) and the bottom surface of the detection table (5) is formed in a top cavity of the detection carrier (51), and the prism (46) is positioned in the detection hole (52); the top of the operating table (11) is provided with a Y-direction carrying module (6) longitudinally arranged in the front-back direction on one side of the carrying table (3), the other side is fixed with a linear guide rail (71) with the length consistent with the front-back length of the Y-direction carrying module (6) and parallel to the left and right and with the end part flush, the X-direction carrying module (7) stretches across the X-direction carrying module (7) at the top of the carrying platform (3) in a sliding fit mode through the tops of the Y-direction carrying module (6) and the linear guide rail (71), the X-direction carrying module (7) can move forwards and backwards in a linear mode through driving of the Y-direction carrying module (6), and a carrying gripper (8) capable of moving leftwards and rightwards along with the length direction of the carrying gripper is arranged on one side, corresponding to the camera detection mechanism (4), of the X-direction carrying module (7).

2. The product bore detection apparatus of claim 1, wherein: the camera detection mechanism (4) comprises a bracket (41), a Z-direction lifting module (42) which is vertically arranged is arranged on the front surface of the bracket (41), an industrial camera (43) is fixed on a sliding table of the Z-direction lifting module (42), a shooting port of the industrial camera (43) is downward and corresponds to a detection carrier (51) at the top of the detection table (5) up and down, and the industrial camera (43) can move up and down through the sliding table of the Z-direction lifting module (42); the prism (46) is movably connected to the front bottom of the bracket (41) up and down in a rotatable manner.

3. A product inner bore detection apparatus as claimed in claim 2, wherein: the position that support (41) openly is close to the bottom is provided with prism lift slip table (44), is connected with rotatory step motor (45) on prism lift slip table (44), prism lift slip table (44) can drive rotatory step motor (45) and go up and down the activity, the transmission shaft of rotatory step motor (45) is vertically upwards, prism (46) are in the same place with the transmission shaft of rotatory step motor (45) through the diaphragm shaft coupling.

4. The product bore detection apparatus of claim 1, wherein: the carrying gripper (8) comprises a fixing seat (81), the fixing seat (81) is fixedly arranged on a sliding table of the X-direction carrying module (7), the front surface of the carrying gripper is provided with a vertically arranged gripper lifting sliding table (82), the gripper lifting sliding table (82) is connected with a clamping jaw cylinder (83), clamping jaws of the clamping jaw cylinder (83) are downward, and the clamping jaw cylinder (83) can move up and down through the gripper lifting sliding table (82).

5. The product inner bore detection device of claim 4, wherein: the gripper lifting sliding table (82) is provided with two groups, which are arranged in parallel left and right, and each group of gripper lifting sliding table (82) is connected with a group of clamping jaw air cylinders (83).

6. The product inner bore detection device of claim 4, wherein: the clamping jaw is a V-shaped clamping jaw.

7. The product bore detection apparatus of claim 1, wherein: the top of the operating platform (11) is provided with an NG runner (9) which longitudinally moves back and forth at the position between the carrying platform (3) and the linear guide rail (71).

8. The product bore detection apparatus of claim 1, wherein: the top of the operating table (11) is covered with a protective cover (2), and the front surface of the protective cover (2) is provided with a split protective door.