CN210954246U - Plate testing device capable of automatically identifying intelligent servo driver - Google Patents

Abstract

The utility model discloses an automatic discern plate testing arrangement of intelligent servo driver, wherein, be provided with upper ledge tucking subassembly on the automatic discern plate testing arrangement of intelligent servo driver, upper ledge tucking subassembly includes framework and tucking, and the tucking can be sliding connection on the installation face of framework, when more trading the plate of different models, only need to tuck to suitable position through sliding, just can detect the plate, and need not to change another detection device, has improved the automatic utilization ratio of discerning plate testing arrangement of intelligent servo driver.

Description

Plate testing device capable of automatically identifying intelligent servo driver

Technical Field

The utility model relates to a circuit board plate detection area, in particular to automatic discern plate testing arrangement of intelligent servo driver.

Background

At present, the production and manufacturing links of various circuit boards all have a detection link, and most of the existing plate detection devices adopt a detection method of a single plate, namely, one plate detection device can only detect plates of one type, so that the plate detection device needs to be replaced every time one plate is replaced, and the problem of low utilization rate of the detection device exists.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims at providing an automatic discern plate testing arrangement of intelligent servo driver aims at solving the problem that plate detection device utilization ratio is low.

In order to achieve the above object, the utility model provides an automatic discern plate testing arrangement of intelligent servo driver, include:

a housing;

the needle bed assembly is connected with the machine shell and used for placing a plate to be detected;

the upper frame needle pressing assembly is connected with the shell and located above the needle bed assembly, the upper frame needle pressing assembly comprises a frame body and a pressing needle, the pressing needle is installed to be close to the installation surface of the needle bed assembly with the frame body, and the pressing needle is connected with the installation surface in a sliding mode so that the pressing needle slides on the installation surface.

Optionally, the frame body includes:

the outer frame is connected with the shell and provided with a guide rail;

the sliding rod is connected with the guide rail in a sliding mode and provided with the mounting surface.

Optionally, the pressing pin is connected with the sliding rod in a sliding manner, and the pressing pin slides along the extending direction of the sliding rod.

Optionally, the slide bar is provided with a first sliding groove, the first sliding groove extends along the extending direction of the slide bar, a first bolt is arranged in the first sliding groove, the head of the first bolt is installed in the first sliding groove, a first screw of the first bolt is arranged outside the first sliding groove, and the pressing pin is slidably connected with the slide bar through the first bolt.

Optionally, one end of the pressing pin is provided with a screw hole corresponding to the first screw rod, the depth of the screw hole is greater than the length of the first screw rod extending out of the first sliding groove, and the diameter of the pressing pin close to the end face of the first screw rod is greater than the width of the first sliding groove.

Optionally, the frame further includes a connection portion, one end of the connection portion is rotatably connected to the slide rod, and the other end of the connection portion is slidably connected to the guide rail, so that the slide rod is slidably connected to the guide rail through the connection portion.

Optionally, the frame body includes two guide rails disposed at an interval, the two guide rails have the same extending direction, the frame body includes two connecting portions, the two connecting portions are respectively rotatably connected to two ends of the sliding rod, and the two connecting portions are respectively slidably connected to the two guide rails.

Optionally, the guide rail is equipped with the second spout, the second spout is followed the extending direction of guide rail extends, the second spout is the T groove, connecting portion are equipped with the mounting hole, the mounting hole is equipped with the second bolt, be equipped with the nut in the second spout, the diameter of nut is greater than second spout open-ended width, the second bolt has the second screw rod, the second screw rod passes the mounting hole stretches into in the second spout with the nut is twisted and is connect, the length of second screw rod is less than the degree of depth of second spout.

Optionally, the upper frame pressing pin assembly is detachably connected with the casing.

Optionally, the needle bed assembly comprises:

the lower detection plate is connected with the shell, and a probe is arranged on the upward plate surface of the lower detection plate;

the upper detection plate is located above the lower detection plate, the lower detection plate is provided with a positioning pin, the positioning pin extends upwards, the upper detection plate is provided with a positioning hole, the positioning pin penetrates through the positioning hole so that the upper detection plate is connected with the lower detection plate in a sliding mode, a spring is arranged between the upper detection plate and the lower detection plate, a placing area is arranged on the upward plate surface of the upper detection plate, and a detection hole for the probe to penetrate through movably is formed in the placing area of the upper detection plate so that the probe can detect the plate.

The utility model discloses technical scheme sets up the upper frame tucking subassembly through adopting on the automatic plate testing arrangement who discerns intelligent servo driver, the upper frame tucking subassembly includes framework and tucking, the tucking can be sliding connection on the installation face of framework, the plate includes the plate body and sets up stitch and the components and parts on the plate body, the big or small position diverse of these stitch and components and parts, consequently, when more trading the plate of different models, through sliding tucking to plate body position, avoid stitch and components and parts, just can detect the plate, and need not to change another detection device, the plate testing arrangement's of automatic discerning intelligent servo driver utilization ratio has been improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an embodiment of a plate testing device for automatically identifying an intelligent servo driver according to the present invention;

FIG. 2 is a schematic structural diagram of an upper frame pin pressing assembly of the board testing apparatus of the auto-recognition intelligent servo driver in FIG. 1;

FIG. 3 is a bottom view of the upper frame pressing pin assembly of the board testing apparatus of the auto-discrimination intelligent servo driver in FIG. 1;

fig. 4 is a cross-sectional view of a guide rail and a pressing pin of the board testing apparatus of the automatic recognition intelligent servo driver in fig. 1.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				100	Casing (CN)	200	Needle bed assembly
210	Upper detection board	220	Lower detection board
				230	Locating pin	240	Spring
300	Upper frame pressing pin assembly	310	Frame body
				311	Outer frame	312	Guide rail
313	Connecting part	314	Second chute
				315	Second bolt	320	Sliding bar
321	First chute	322	First bolt
				330	Pressing needle	331	Screw hole

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, if appearing throughout the text, "and/or" is meant to include three juxtaposed aspects, taking "A and/or B" as an example, including either the A aspect, or the B aspect, or both A and B satisfied aspects. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides an automatic discern plate testing arrangement of intelligent servo driver.

In the embodiment of the present invention, as shown in fig. 1, fig. 2 and fig. 3, the plate testing apparatus for automatically identifying an intelligent servo driver includes: a housing 100; the needle bed assembly 200 is connected with the machine shell 100, and the needle bed assembly 200 is used for placing a plate to be detected; the upper frame needle pressing assembly 300 is connected with the housing 100, the upper frame needle pressing assembly 300 is located above the needle bed assembly 200, the upper frame needle pressing assembly 300 includes a frame body 310 and a pressing needle 330, the pressing needle 330 is installed close to the installation surface of the needle bed assembly 200 with the frame body 310, and the pressing needle 330 is in sliding connection with the installation surface, so that the pressing needle 330 slides on the installation surface. Specifically, an electrical cabinet is arranged in the housing 100, and the electrical cabinet includes elements such as an industrial display screen, a programmable logic device, a universal meter, and a signal adapter plate, which are used for performing circuit detection on a plate; the needle bed assembly 200 is detachably connected with the housing 100, the needle bed assembly 200 is provided with a placing area, the placing area is used for placing plates, different plates have different structures, each plate comprises a plate body and pins and components arranged on the plate body, the sizes and the positions of the pins and the components are different, the upper frame needle pressing assembly 300 comprises a frame body 310 and a pressing needle 330, the frame body 310 is provided with an installing surface, the installing surface faces the needle bed assembly 200, the pressing needle 330 is installed on the installing surface, and the pressing needle 330 can slide on the installing surface, so that when plates of different types are replaced, the pins, the components and the like on the plates can be avoided only by sliding the pressing needle 330, when the pressing needle 330 slides to the plate body position, the upper frame needle pressing assembly 300 is pressed downwards, and the pressing needle 330 and the plates are in contact with the plate body position, so that the plates can be detected; when another plate is replaced, the pressing pin 330 is slid to the plate position, so that another detection device is not replaced.

The utility model discloses technical scheme sets up upper frame tucking subassembly 300 on automatic identification intelligent servo driver's plate testing arrangement through the adoption, upper frame tucking subassembly 300 includes framework 310 and tucking 330, tucking 330 can slide on framework 310's installation face, when the plate of different models is changed, through sliding tucking 330 to plate body position, avoid stitch and components and parts on the plate, just can detect the plate, and need not to change another detection device, thereby improved automatic identification intelligent servo driver's plate testing arrangement's utilization ratio and versatility, and simple structure need not complicated operation, also improved automatic identification intelligent servo driver's plate testing arrangement's practicality.

Further, referring to fig. 1, fig. 2, and fig. 3, in this embodiment, the frame 310 includes: the outer frame 311, the outer frame 311 is connected with the casing 100, and the outer frame 311 is provided with a guide rail 312; the sliding rod 320 is connected with the guide rail 312 in a sliding mode, and the sliding rod 320 is provided with the mounting surface. Specifically, the outer frame 311 is located above the needle bed assembly 200, the outer frame 311 is provided with a guide rail 312, the sliding rod 320 can slide along the guide rail 312, and the pressing needle 330 is arranged on the mounting surface of the sliding rod 320, so that the pressing needle 330 can slide along the guide rail 312 along with the sliding rod 320. The pressing needle 330 can slide in the extending direction of the guide rail 312 by arranging the guide rail 312 and the sliding rod, the structure is simple, the position of the pressing needle 330 can be clearly seen in the sliding process of the sliding rod 320 by arranging the outer frame 311, the pressing needle 330 can be conveniently slid to the plate body position of the plate, and the operation is convenient. It should be noted that the technical solution of the present invention may be to provide a guide rail 312, or to provide two guide rails 312, and the present invention does not limit the number of the guide rails 312.

Further, referring to fig. 1, fig. 2, and fig. 3, in the present embodiment, the needle bar 330 is slidably connected to the sliding bar 320, and the needle bar 330 slides along the extending direction of the sliding bar 320. Specifically, the guide rail 312 and the slide bar 320 are arranged to enable the pressing pin 330 to slide in the direction of the guide rail 312, and the pressing pin 330 is connected with the slide bar 320 in a sliding manner, so that the pressing pin 330 can also slide in the direction of the slide bar 320, and therefore, the sliding area of the pressing pin 330 covers the whole plate, the pressing pin 330 is ensured to slide to any position of the plate, and the versatility and the utilization rate of the plate testing device for automatically identifying the intelligent servo driver are improved.

Further, referring to fig. 1, fig. 2, fig. 3, and fig. 4, in this embodiment, the sliding rod 320 is provided with a first sliding slot 321, the first sliding slot 321 extends along an extending direction of the sliding rod 320, a first bolt 322 is disposed in the first sliding slot 321, a head of the first bolt 322 is installed in the first sliding slot 321, a screw of the first bolt 322 is disposed outside the first sliding slot 321, and the pressing pin 330 is slidably connected to the sliding rod 320 through the first bolt 322. Specifically, the first sliding groove 321 is located on the mounting surface of the sliding rod 320 and extends along the length direction of the sliding rod 320, the first bolt 322 is arranged in the first sliding groove 321, the diameter of the head of the first bolt 322 is greater than the width of the first sliding groove 321, and the diameter of the first screw of the first bolt 322 is smaller than the width of the first sliding groove 321, so that the first bolt 322 can be mounted in the first sliding groove 321, the first sliding groove 321 can slide, the first bolt 322 cannot fall off from the first sliding groove 321, and the pressing pin 330 is connected with the first bolt 322, so that the pressing pin 330 can slide along the sliding rod 320 along with the first bolt 322 and cannot fall off from the first sliding rod 320.

Further, referring to fig. 2 and fig. 3, in fig. 4, a screw hole 331 corresponding to the first screw rod is disposed at one end of the pressing pin 330, a depth of the screw hole 331 is greater than a length of the first screw rod extending out of the first sliding groove 321, and a diameter of an end surface of the pressing pin 330 close to the first screw rod is greater than a width of the first sliding groove 321. Specifically, a screw hole 331 is formed in one end of the pressing pin 330 connected with the first bolt 322, and the specification of the screw hole 331 is matched with that of the first bolt 322, so that the pressing pin 330 can be screwed to the first bolt 322, the diameters of the head portions of the pressing pin 330 and the first bolt 322 are larger than the width of the sliding groove, and the depth of the screw hole 331 is larger than the length of the first screw rod extending out of the first sliding groove 321, so that the end portion of the pressing pin 330 can be ensured to be abutted against the outer surface of the first sliding groove 321 by screwing the pressing pin 330, when the pressing pin 330 needs to slide, the pressing pin 330 is loosened to separate from the first sliding groove 321, and when the pressing pin 330 slides to a proper position, the pressing pin 330 is screwed to abut against the first sliding groove 321 to play a role in fixing; the structure is simple, the pressing needle 330 can be fixed at a proper position while the pressing needle 330 slides along the sliding rod 320, the operation is simple, and the use is convenient.

Further, referring to fig. 1, fig. 2 and fig. 3, in this embodiment, the frame 310 further includes a connection portion 313, one end of the connection portion 313 is rotatably connected to the sliding rod 320, and the other end of the connection portion 313 is slidably connected to the guide rail 312, so that the sliding rod 320 is slidably connected to the guide rail 312 through the connection portion 313. Specifically, in the present embodiment, a plurality of sliding rods 320 are provided, a plurality of pressing pins 330 are provided on the same sliding rod 320, during the sliding process, the sliding distance of the sliding rod 320 can be reduced, so as to achieve the purpose of quickly finding the proper position of the pressing pin 330, and a connection part 313 is provided at an end of the sliding bar 320, the connection part 313 is rotatably connected with the sliding bar 320, the sliding rod 320 can change its own angle by rotating, the coverage of a single sliding rod 320 is enlarged, when only fine adjustment is needed, the sliding rod 320 is not needed to slide, the purpose can be achieved only by rotating the angle of the sliding rod 320 and matching with the sliding of the pressing pin 330, not only the number of the sliding rod 320 can be reduced, but also the pressing pin 330 can be quickly moved to a proper position, of course, the connection portion 313 is slidably connected to the guide rail 312, and the sliding of the sliding rod 320 can be achieved through the sliding connection portion 313 when necessary, so that the structure saves cost and improves working efficiency.

Further, referring to fig. 1, fig. 2 and fig. 3, in this embodiment, the frame 310 includes two guide rails 312 disposed at an interval, the extending directions of the two guide rails 312 are the same, the frame 310 includes two connecting portions 313, the two connecting portions 313 are respectively rotatably connected to two ends of the sliding rod 320, and the two connecting portions 313 are respectively slidably connected to the two guide rails 312. Specifically, two guide rails 312 arranged at intervals are arranged on the frame body 310, and two connecting portions 313 are arranged, the sliding rod 320 slides between the two guide rails 312 through the two connecting portions 313, namely, both ends of the sliding rod 320 are connected with the guide rails 312 in a sliding manner, the sliding process can be smoother in this way, the two connecting portions 313 are connected with both ends of the sliding rod 320 in a rotating manner, the coverage range of a single sliding rod 320 is further expanded, the pressing pin 330 can cover a larger range by rotating the sliding rod 320 under the condition that the sliding rod 320 does not need to slide, and the practicability and the utilization rate of the plate testing device of the intelligent servo driver are further improved.

Further, referring to fig. 1, fig. 2, and fig. 3, in this embodiment, the guide rail 312 is provided with a second sliding groove 314, the second sliding groove 314 extends along an extending direction of the guide rail 312, the second sliding groove 314 is a T-shaped groove, the connecting portion 313 is provided with a mounting hole, the mounting hole is provided with a second bolt 315, a nut is disposed in the second sliding groove 314, a diameter of the nut is greater than a width of an opening of the second sliding groove 314, the second bolt 315 is provided with a second screw, the second screw penetrates through the mounting hole and extends into the second sliding groove to be screwed with the nut, and a length of the second screw is smaller than a depth of the second sliding groove 314. Specifically, set up the nut in second spout 314 in advance during the installation, the nut is located the T inslot, and the diameter of nut is greater than the opening width of T inslot, so the nut can not deviate from the T inslot, the second screw rod of second bolt 315 passes the mounting hole of connecting portion 313 and stretches into in second spout 314, it should be noted that, the length of second screw rod will be less than the degree of depth of second spout 314 to guarantee to can make connecting portion 313 and the surface butt of second spout 314 through screwing up second bolt 315 and nut, when needs slide, not hard up second bolt 315, screw up second bolt 315 when needs are fixed, simple structure easily operates.

Further, referring to fig. 1, fig. 2, and fig. 3, in the present embodiment, the upper frame pressing pin assembly 300 is detachably connected to the housing 100. The upper frame needle pressing assembly 300 is detachably connected with the casing 100, so that the upper frame needle pressing assembly 300 can be conveniently detached, repaired or replaced with a new one when a fault occurs, and the design is more reasonable. It should be noted that the detachable connection here can be detachable connection through a screw, or can be detachable connection through a magnetic attraction type, and the technical solution of the present invention is not limited to the specific detachable mode.

Further, referring to fig. 1, fig. 2, and fig. 3, in the present embodiment, the needle bed assembly 200 includes: the lower detection plate 220 is connected with the casing 100, and a probe is arranged on the upward plate surface of the lower detection plate 220; the upper detection plate 210 is located above the lower detection plate 220, the lower detection plate 220 is provided with a positioning pin 230, the positioning pin 230 extends upwards, the upper detection plate 210 is provided with a positioning hole, the positioning pin 230 penetrates through the positioning hole so that the upper detection plate 210 is in sliding connection with the lower detection plate 220, a spring 240 is arranged between the upper detection plate 210 and the lower detection plate 220, an upward plate surface of the upper detection plate 210 is provided with a placement area, and the placement area of the upper detection plate 210 is provided with a detection hole for the probe to penetrate through movably so that the probe can detect the plate. Specifically, lower pick-up plate 220 is equipped with four ascending locating pins 230, go up pick-up plate 210 wear to establish four locating pins 230 realize with locating plate sliding connection down, go up pick-up plate 210 and be equipped with spring 240 down between the pick-up plate 220, the head of locating pin 230 is equipped with the nut, the nut can play limiting displacement, prevent that go up pick-up plate 210 from droing from locating pin 230, when upper ledge tucking needle subassembly 300 is to the tucking spare, spring 240 compresses, it is put to go up pick-up plate 210 downward slip to the probe, begin to detect the plate, remove the pressure of upper ledge tucking needle subassembly 300 to the plate after finishing detecting, under the effect of spring 240, go up pick-up plate 210 spare and return to original position, make things convenient for operating personnel to take to change down one. It should be noted that four positioning pins are provided in the present embodiment, and 3 positioning pins may be provided in other embodiments.

The technical scheme of the utility model is that the guide rail 312 and the slide bar 320 are arranged on the plate testing device for automatically identifying the intelligent servo driver, when plates of different types are replaced, the plate can be detected only by sliding the pressing pin 330 to the position of the plate body to avoid pins and components on the plate without replacing another detecting device, thereby improving the utilization rate and the versatility of the plate testing device for automatically identifying the intelligent servo driver; by arranging the connecting part 313, the coverage area of the single sliding rod 320 can be increased, the cost is reduced, the practicability of the plate testing device for automatically identifying the intelligent servo driver is improved, and the operation is convenient; by arranging the two guide rails 312, the whole sliding process can be smoother, and the operation is convenient; through the connected mode who adopts first bolt 322 and second bolt 315, not only satisfied the slip and realized fixed effect, simple structure, the simple operation.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims (10)

1. The utility model provides an automatic discern board testing arrangement of intelligent servo driver which characterized in that includes:

a housing;

the needle bed assembly is connected with the machine shell and used for placing a plate to be detected;

the upper frame needle pressing assembly is connected with the shell and located above the needle bed assembly, the upper frame needle pressing assembly comprises a frame body and a pressing needle, the pressing needle is installed to be close to the installation surface of the needle bed assembly with the frame body, and the pressing needle is connected with the installation surface in a sliding mode so that the pressing needle slides on the installation surface.

2. The board testing apparatus for automatically recognizing a smart servo driver as claimed in claim 1, wherein the frame body comprises:

the outer frame is connected with the shell and provided with a guide rail;

the sliding rod is connected with the guide rail in a sliding mode and provided with the mounting surface.

3. The apparatus of claim 2, wherein the pressing pin is slidably connected to the sliding rod, and the pressing pin slides along an extending direction of the sliding rod.

4. The apparatus for testing plate members of an automatic identification smart servo driver as claimed in claim 3, wherein the sliding rod is provided with a first sliding slot, the first sliding slot extends along an extending direction of the sliding rod, a first bolt is disposed in the first sliding slot, a head of the first bolt is installed in the first sliding slot, a first screw of the first bolt is disposed outside the first sliding slot, and the pressing pin is slidably connected to the sliding rod through the first bolt.

5. The apparatus for testing plate members of an automatic identification smart servo driver as claimed in claim 4, wherein one end of the pressing pin is provided with a screw hole corresponding to the first screw rod, the screw hole has a depth greater than the length of the first screw rod extending out of the first sliding slot, and the diameter of the pressing pin near the end surface of the first screw rod is greater than the width of the first sliding slot.

6. The apparatus of claim 2, wherein the frame further comprises a connecting portion, one end of the connecting portion is rotatably connected to the slide rod, and the other end of the connecting portion is slidably connected to the guide rail, so that the slide rod is slidably connected to the guide rail through the connecting portion.

7. The apparatus of claim 6, wherein the frame comprises two spaced rails extending in the same direction, the frame comprises two connecting portions, the two connecting portions are rotatably connected to two ends of the sliding rod, and the two connecting portions are slidably connected to the two rails.

8. The apparatus for testing plate members of an automatic identification smart servo driver as claimed in claim 7, wherein the guide rail is provided with a second sliding slot extending along an extending direction of the guide rail, the second sliding slot is a T-slot, the connecting portion is provided with a mounting hole, the mounting hole is provided with a second bolt, a nut is disposed in the second sliding slot, a diameter of the nut is larger than a width of an opening of the second sliding slot, the second bolt is provided with a second screw rod, the second screw rod passes through the mounting hole and extends into the second sliding slot to be screwed with the nut, and a length of the second screw rod is smaller than a depth of the second sliding slot.

9. The apparatus of claim 1, wherein the upper frame pin pressing assembly is detachably connected to the housing.

10. The panel testing apparatus for automatically recognizing a smart servo driver as claimed in any one of claims 1 to 9, wherein the needle bed assembly comprises:

the lower detection plate is connected with the shell, and a probe is arranged on the upward plate surface of the lower detection plate;

the upper detection plate is located above the lower detection plate, the lower detection plate is provided with a positioning pin, the positioning pin extends upwards, the upper detection plate is provided with a positioning hole, the positioning pin penetrates through the positioning hole so that the upper detection plate is connected with the lower detection plate in a sliding mode, a spring is arranged between the upper detection plate and the lower detection plate, a placing area is arranged on the upward plate surface of the upper detection plate, and a detection hole for the probe to penetrate through movably is formed in the placing area of the upper detection plate so that the probe can detect the plate.

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