CN120793493B

CN120793493B - A loading and unloading mechanism for an ultrasonic scanning device for sheet substrates

Info

Publication number: CN120793493B
Application number: CN202511309454.1A
Authority: CN
Inventors: 王燕平; 张学玲; 凡金章
Original assignee: Tsugami Auto Intelligent Technology Jiangsu Co ltd
Current assignee: Tsugami Auto Intelligent Technology Jiangsu Co ltd
Priority date: 2025-09-15
Filing date: 2025-09-15
Publication date: 2025-12-23
Anticipated expiration: 2045-09-15
Also published as: CN120793493A

Abstract

This application relates to the technical field of ultrasonic scanning, and in particular to a loading and unloading mechanism for an ultrasonic scanning device for sheet-like substrates. The mechanism includes a frame, a feed belt and a transfer belt on the frame, a clamping frame for carrying the substrate being transported on the feed belt, and a tilting table between the feed belt and the transfer belt. A tilting block is rotatably connected to the tilting table, and a tilting frame is fixedly connected to the tilting block. The tilting frame includes two long rods for supporting a base plate and two short rods for supporting a baffle plate. Several rollers are mounted on the long rods. The substrates are stacked and inserted into the clamping frames, with grooves separating each substrate. The horizontal projected area of the clamping frames is small, and the overall structure is nearly cubic, resulting in a small space occupation and convenient handling.

Description

Loading and unloading mechanism for sheet substrate ultrasonic scanning equipment

Technical Field

The application relates to the technical field of ultrasonic scanning, in particular to a loading and unloading mechanism for a sheet substrate ultrasonic scanning device.

Background

Ultrasonic scanning microscope (SAT) detection is a machine that transmits ultrasonic signals with pure water as a medium, and detects by high-frequency ultrasonic waves with different reflection rates and energies of materials of different densities.

Ultrasonic scanning microscopes are widely used to scan a wide range of materials such as chips, profiles, plates, etc. The sample to be detected is usually carried and transported by a jig, for example, chinese patent publication No. CN104655735A discloses an ultrasonic scanning tool, which comprises a base, wherein a hole is formed in the base, and a drainage groove surrounds the hole. And chinese patent publication No. CN101988916a, which discloses an ultrasonic scanning sample tray, comprising a tray body and a tray frame, the tray body and the tray frame are separated from each other, the tray body and the tray frame have structures for fixing each other, and the tray body has grooves for placing samples to be measured.

The fixture tool is generally used for exposing and tiling the surface to be scanned of the sample to be detected on the fixture so that ultrasonic waves can be scanned. However, when the sheet-shaped base material with smaller thickness and larger surface area is fed in this way, the plane of the jig is larger, the occupied space is larger, and the transportation and the transmission are inconvenient.

Disclosure of Invention

In order to facilitate the conveying of the flaky substrate, the application provides a loading and unloading mechanism for an ultrasonic scanning device for the flaky substrate.

The application provides a loading and unloading mechanism for a sheet substrate ultrasonic scanning device, which adopts the following technical scheme:

a loading and unloading mechanism for ultrasonic scanning equipment of sheet substrate comprises a frame,

The machine frame is provided with a feeding belt and a material conveying belt which are horizontal and positioned on the same straight line, the feeding belt is conveyed towards the material conveying belt, the conveying directions of the feeding belt and the material conveying belt are the same,

The feeding belt is provided with a blocking frame for bearing the base material, the blocking frame comprises a bottom plate contacted with the feeding belt, two ends of the bottom plate are vertically fixed with baffle plates, an avoidance opening is formed in the middle of the baffle plates, two sides of the bottom plate are vertically fixed with side plates, the side plates are parallel to the conveying direction of the feeding belt, a plurality of base grooves for clamping the base material are formed in the two side plates in pairs,

The feeding belt and the material conveying belt are provided with a turnover table, the turnover table is rotationally connected with a turnover block, the turnover block is fixedly connected with a turnover frame, the turnover frame comprises two long rods for bearing a bottom plate and two short rods for bearing a baffle plate, the long rods are provided with a plurality of rollers, when the long rods are in a horizontal state, the upper surfaces of the rollers are flush with the upper surface of the feeding belt, when the short rods are in a horizontal state, the avoidance opening is opposite to the end part of the material conveying belt,

The overturning platform is vertically connected with the frame in a sliding mode, a limiting frame used for supporting the short rod is arranged on one side, facing the material conveying belt, of the overturning platform, and when the short rod is in interference with the limiting frame, the short rod is in a horizontal state.

Through adopting above-mentioned technical scheme, the substrate is piled up the form and inserts and locate in the stopper frame, and the foundation ditch carries out one-to-one to the substrate and separates, and the horizontal projection area of stopper frame is less, wholly is nearly cube structure, and space occupation volume is less, and convenient transport.

The stopper frame is arranged on the feeding belt, the bottom plate is abutted against the feeding belt, and the opening of the stopper frame faces upwards. When the stopper frame is transported to the overturning platform, the baffle is abutted against the short rod, and the bottom plate rolls onto the long rod along the roller. The roll-over stand turns over 90 degrees, and the short rod is abutted against the limiting frame. The stopper frame stands up, and the bottom plate of stopper frame is vertical state, and the opening of stopper frame is towards the material area of conveying, and the substrate is arranged in the stopper frame in proper order from top to bottom in a horizontal state. The end part of the material conveying belt is positioned in the avoidance opening.

The overturning platform descends step by step, the base material is contacted with the material conveying belt, and the material conveying belt sequentially outputs the base material from the blocking frame, so that the base material is sent into the ultrasonic scanning equipment.

Preferably, the long rod is fixedly provided with a limiting plate for limiting the jam frame, the roll-over stand is slidably connected with two clamping plates positioned on two sides, the sliding direction of the two clamping plates is perpendicular to the transmission direction of the feeding belt, and the limiting plate is provided with a clamping opening opposite to the clamping plate.

Through adopting above-mentioned technical scheme, when the card stopper frame carries to the roll-over table, the card stopper frame is located between two limiting plates, and two limiting plates prescribe a limit to the card stopper frame, improve the position accuracy of card stopper frame. Before the upset of upset piece, two splint press to block the stopper frame, and splint pass the centre gripping mouth and fix the stopper frame, improve the stability of stopper frame.

Preferably, one end of the side plate far away from the bottom plate is slidably connected with a protection plate parallel to the bottom plate, a sliding plane of the protection plate is parallel to a plane where the bottom plate is located, when the two protection plates are far away from each other to the farthest end, the protection plate does not shield the base groove, and when the two protection plates are close to each other to the nearest end, the end part of the protection plate shields the base groove.

Through adopting above-mentioned technical scheme, before the upset of upset piece, the guard plate moves in opposite directions, and the guard plate shelters from the tip of foundation ditch to spacing to the substrate, prevent that the substrate from sliding in the card stopper frame in the upset in-process from falling, the upset piece upset back, the guard plate moves in opposite directions, opens the foundation ditch, is convenient for the substrate shifts out from the card stopper frame.

Preferably, one side of the side plates, which are away from each other, is slidably connected with a clamping plate parallel to the side plates, the clamping plate is fixedly connected with the protection plate, and a plurality of reset springs are arranged between the clamping plate and the side plates.

Through adopting above-mentioned technical scheme, before the upset of upset piece, splint press to block the stopper frame, splint apply pressure to the grip block, and the grip block is pressed and is driven guard plate synchronous slip to shelter from the foundation ditch. After the overturning block overturns, the clamping plate loosens the blocking frame, and the clamping plate and the protection plate reset under the action of the reset spring. The clamping plate can drive the protection plate to synchronously slide to shelter from the base groove when clamping and fixing the clamping plug frame, and the use is convenient.

Preferably, a plurality of clamping rods perpendicular to the side plates are fixed on one surface of the clamping plate facing the side plates, and when the return spring is in a natural state, the clamping rods are separated from the side plates.

Through adopting above-mentioned technical scheme, when the grip block was pressed to the curb plate, the clamping lever was contradicted with the curb plate, and the motion distance of clamping lever to the curb plate was limited on the one hand, and on the other hand, the clamping force of splint was passed through the clamping lever and was given the curb plate, carries out the centre gripping to the jam frame, improves the stability of centre gripping.

Preferably, a limiting rod parallel to the long rod is vertically fixed on one side of the short rod, which faces the baffle, and a limiting hole opposite to the limiting rod is formed on one side of the baffle, which faces the short rod.

Through adopting above-mentioned technical scheme, when the baffle moved to the roll-over table, the gag lever post inserts in the spacing hole, and gag lever post and spacing hole mutually support, inject the position of jam frame, improve the position accuracy.

Preferably, the limiting hole penetrates through the baffle plate and extends into the side plate, a locking hole which is perpendicular to and communicated with the limiting hole is formed in the side plate, a locking rod is connected in the locking hole in a sliding mode, a limiting cylinder is connected in the limiting hole in a rotating mode, a spiral groove is formed in the inner wall of the limiting cylinder, threads matched with the spiral groove are fixed on the outer wall of the limiting rod, a worm is coaxially fixed on the limiting cylinder, a worm wheel meshed with the worm is connected in the locking hole in a rotating mode, a through hole is formed in the worm wheel in a coaxial mode, a thread groove is formed in the through hole, and threads matched with the thread groove are formed in the outer wall of the locking rod.

Through adopting above-mentioned technical scheme, before the jam frame carried to the roll-over table, the tip of locking lever was contradicted with the lateral wall of grip block, and the locking lever prescribes a limit to the grip block, and the grip block can't press to the curb plate this moment to guarantee that the foundation trench is in open condition all the time, so that the installation of substrate. When the stopper clamping frame is conveyed to the overturning platform, the limiting rod is inserted into the limiting hole and matched with the limiting cylinder, the limiting rod drives the limiting cylinder and the worm to rotate, the worm drives the worm wheel to rotate, and the worm wheel drives the locking rod to slide and retract into the locking hole through the thread groove. At this time, the locking rod is separated from the clamping plate, the clamping plate is unlocked, and the clamping plate can apply pressure to the clamping plate to drive the clamping plate to slide.

Preferably, a reset torsion spring is arranged on the worm, and when the reset torsion spring is in a natural state, the end part of the locking rod is abutted against the clamping plate.

Through adopting above-mentioned technical scheme, reset torsion spring provides reset force to the worm, when guaranteeing to block the normal use of stopper frame, the locking lever is to the restriction effect of grip block to guarantee the opening of foundation trench.

Preferably, the locking holes are formed in the side plates in pairs, the two locking holes are respectively positioned at two ends of the side plates, and the worms in the two locking holes are coaxially and fixedly connected.

Through adopting above-mentioned technical scheme, the locking hole is offered in pairs on the curb plate, and the locking lever of setting in pairs supports the grip block at the both ends of curb plate, improves the supporting effect.

In summary, the present application includes at least one of the following beneficial technical effects:

1. Through the arrangement of the blocking frame and the overturning platform, the flaky base materials can be transmitted in a stacked mode, so that the occupied space volume of the base materials during transmission is reduced, the transmission is also more convenient, the overturning platform can transmit the base materials in the blocking frame in a mode that the surface to be detected faces upwards again, the normal scanning of the base materials is convenient, the base materials and the overturning platform are matched, and the use is convenient;

2. Through the setting of guard plate and grip block, guard plate and grip block mutually support and open and close the opening of foundation ditch, when normally loading and unloading substrate, the guard plate does not shelter from the foundation ditch to make things convenient for the substrate business turn over to block the stopper frame, when the upset piece upset is followed to the stopper frame, the guard plate shelters from the opening of foundation ditch, thereby shelter from the protection to the substrate, in order to prevent that the substrate from deviating from in the stopper frame, stability when improving the substrate upset.

Drawings

FIG. 1 is a schematic overall structure of an embodiment;

FIG. 2 is a schematic view of the structure of a jam frame in the embodiment;

FIG. 3 is a schematic view showing an internal structure of a jam frame in the embodiment;

FIG. 4 is an enlarged schematic view of portion A of FIG. 3;

FIG. 5 is a schematic view showing the internal structure of the side plate in the embodiment;

FIG. 6 is a schematic diagram of a structure for embodying a flipping table in an embodiment;

FIG. 7 is an enlarged schematic view of portion B of FIG. 6;

Fig. 8 is a schematic structural view of the embodiment in which the jam frame is turned over to be in a vertical state.

Reference numerals illustrate:

1. The device comprises a frame, a feeding belt, a material conveying belt, a clamping frame, 41, a bottom plate, 42, a baffle, 43, an avoidance opening, 44, a side plate, 441, a base groove, 45, a protection plate, 46, a clamping plate, 461, a clamping rod, 47, a return spring, 48, a limit hole, 49, a locking hole, 5, a turnover table, 51, a turnover block, 52, a limit frame, 53, a clamping plate, 6, a turnover frame, 61, a long rod, 62, a short rod, 63, a roller, 64, a limiting plate, 641, a clamping opening, 71, a limit rod, 72, a limiting cylinder, 721, a spiral groove, 73, a worm, 74, a worm wheel, 75, a locking rod, 76 and a return torsion spring.

Detailed Description

The application is described in further detail below with reference to all the accompanying drawings.

The embodiment of the application discloses a loading and unloading mechanism for a sheet substrate ultrasonic scanning device, which comprises a frame 1, wherein a feeding belt 2 and a material conveying belt 3 are horizontally arranged on the frame 1, the feeding belt 2 and the material conveying belt 3 are positioned on the same straight line, the transmission directions of the feeding belt 2 and the material conveying belt 3 are consistent, and the feeding belt 2 is conveyed towards the material conveying belt 3. A turnover table 5 is arranged between the feeding belt 2 and the material conveying belt 3, and a clamping plug frame 4 filled with base materials is conveyed on the feeding belt 2.

Referring to fig. 2, the overall stopper frame 4 is in a cube shape, the stopper frame 4 includes a rectangular bottom plate 41, two ends of the bottom plate 41 are vertically fixed with a baffle plate 42, the baffle plate 42 is fixed on a wide edge of the bottom plate 41, and an avoidance port 43 is formed in the center of the baffle plate 42. Side plates 44 are vertically fixed to both sides of the bottom plate 41, the side plates 44 are fixed to long sides of the bottom plate 41, and the side plates 44 are perpendicular to the baffle plates 42. The side of the stopper frame 4 opposite to the bottom plate 41 is an opening for picking and placing the substrate. When the stopper frame 4 is placed on the feeding belt 2 for conveying, the bottom plate 41 is in contact with the feeding belt 2, and the opening of the stopper frame 4 faces upwards.

Referring to fig. 2, opposite sides of the two side plates 44 are provided with a plurality of base grooves 441 for holding the substrate in pairs along the length direction of the side plates 44. The operator inserts the substrate into the stopper frame 4 in order, and the both sides of substrate are located in the base groove 441, and the base groove 441 restricts the substrate, and the substrate is stacked and placed in the stopper frame 4.

Referring to fig. 2 and 3, the clamping frame 4 is horizontally and slidably connected to clamping plates 46 parallel to the side plates 44 on both sides of the side plates 44, a plurality of return springs 47 are provided between the clamping plates 46 and the side plates 44, a plurality of clamping rods 461 perpendicular to the side plates 44 are fixed to one surface of the clamping plates 46 facing the side plates 44, and the sliding direction of the clamping plates 46 is consistent with the axial direction of the clamping rods 461. The clamp lever 461 is separated from the side plate 44 when the return spring 47 is in a natural state.

Referring to fig. 2 and 3, a shielding plate 45 for opening and closing the opening of the base groove 441 is horizontally fixed to the upper end of the clamping plate 46 above the side plate 44, and the shielding plate 45 is parallel to the bottom plate 41. When the return spring 47 is in a natural state, the shielding plate 45 opens the opening of the base groove 441. When the base material is normally taken and placed, the clamping plate 46 and the protection plate 45 are far away from the side plate 44 under the action of the reset spring 47, the opening of the base groove 441 is opened by the protection plate 45, and the base material can be taken and placed by an operator. When the stopper frame 4 is turned over, the protection plate 45 and the clamping plate 46 are pressed towards the side plates 44, and the opening of the base groove 441 is shielded by the protection plate 45, so that the base material is blocked in the stopper frame 4, the base material is prevented from falling off, and the stability of the base material is improved.

Referring to fig. 2 and 5, a top and bottom limiting hole 48 is formed in an end portion of the side plate 42, and the limiting hole 48 extends through the plate 42 into the side plate 44. Two locking holes 49 which are perpendicular to the limiting holes 48 and are communicated with each other are formed in the side plate 44, the two locking holes 49 are respectively located at two ends of the side plate 44, and openings of the locking holes 49 face the clamping plate 46. The locking hole 49 is rotatably connected with a worm wheel 74 coaxial with the locking hole 49, a through hole is coaxially formed in the center of the worm wheel 74, a thread groove is formed in the inner wall of the through hole, a locking rod 75 is slidably connected in the locking hole 49, and threads matched with the thread groove are fixed on the outer wall of the locking rod 75. The worm wheel 74 rotates and the lock lever 75 slides along the lock hole 49.

Referring to fig. 2 and 5, two worms 73 are rotatably connected to the limiting hole 48, and the two worms 73 are engaged with two worm wheels 74. The worm 73 rotates to drive the worm wheel 74 to rotate, thereby driving the locking lever 75 to slide. The worm 73 is provided with a reset torsion spring 76. When the reset torsion spring 76 is in a natural state, the end of the limit lever 71 abuts against the holding plate 46.

Referring to fig. 2 and 5, a limiting cylinder 72 coaxially and fixedly connected with the worm 73 is rotatably connected to the limiting hole 48 near the port, and a spiral groove 721 is formed in the inner wall of the limiting cylinder 72.

Referring to fig. 6 to 8, a vertically arranged lifting cylinder is arranged in the frame 1, and an output shaft of the lifting cylinder is fixedly connected with the overturning platform 5 and is used for driving the overturning platform 5 to move up and down. The overturning platform 5 is provided with an overturning cylinder, an output shaft of the overturning cylinder is connected with an overturning block 51 which is rotationally connected with the overturning platform 5, and the overturning block 51 is fixedly connected with an overturning frame 6 which is used for bearing the jam frame 4.

Referring to fig. 6 to 8, the jam frame 4 is transferred from the feed belt 2 to the roll-over stand 6 of the roll-over table 5, and the roll-over cylinder drives the roll-over block 51 to roll over, thereby driving the jam frame 4 to roll over.

Referring to fig. 6 to 8, the roll-over stand 6 includes two long bars 61 for carrying the bottom plate 41 and two short bars 62 for carrying the baffle 42. The long rod 61 is provided with a plurality of rollers 63, the overturning platform 5 is positioned at the uppermost part, and when the long rod 61 is in a horizontal state, the upper surface of the rollers 63 is flush with the upper surface of the feeding belt 2 so as to facilitate the transmission of the jam frame 4.

Referring to fig. 6 to 8, when the jam frame 4 is transferred to the roll-over stand 6, the bottom plate 41 collides with the long rod 61, the baffle 42 collides with the short rod 62, and at this time, the jam frame 4 is in a horizontal state, and the opening of the jam frame 4 is vertically upward. The overturning cylinder is started, and the overturning block 51 drives the blocking frame 4 to rotate by 90 degrees, so that the blocking frame 4 is in a vertical state, and at the moment, the opening of the blocking frame 4 is horizontal and faces the material conveying belt 3. At this time, the avoiding opening 43 is positioned on the lower surface of the jam frame 4, and the end of the material conveying belt 3 is opposite to the avoiding opening 43.

Referring to fig. 6 to 8, the lifting cylinder drives the jam frame 4 to descend step by step, when the jam frame 4 descends, the part of the substrate exposed to the avoidance opening 43 contacts with the material conveying belt 3, the material conveying belt 3 conveys away the substrate, the jam frame 4 descends step by step, and the material conveying belt 3 conveys away the substrate one by one.

Referring to fig. 6 to 8, a stopper 52 for supporting a short rod 62 is fixed to the side of the overturning table 5 facing the conveyor belt 3, and the short rod 62 is in a horizontal state when the short rod 62 collides with the stopper 52. The limiting frame 52 limits the turning angle of the roll-over stand 6 on the one hand, and supports the roll-over stand 6 on the other hand, thereby improving the stability of the roll-over stand 6.

Referring to fig. 6 to 8, a limiting plate 64 for limiting the jam frame 4 is fixed on the long rod 61, two clamping plates 53 located on two sides are slidably connected on the roll-over stand 6, the sliding direction of the two clamping plates 53 is perpendicular to the conveying direction of the feeding belt 2, and a clamping opening 641 opposite to the clamping plate 46 is formed in the limiting plate 64. Before the turnover block 51 turns over, the two clamping plates 53 are pressed against the clamping block frame 4, and the clamping plates 53 penetrate through the clamping openings 641 to fix the clamping block frame 4, so that the stability of the clamping block frame 4 is improved.

Referring to fig. 2 to 8, the opening of the limiting hole 48 is disposed toward the short rod 62, a limiting rod 71 parallel to the long rod 61 is vertically fixed to one side of the short rod 62 toward the baffle 42, the limiting rod 71 faces the limiting hole 48, and a thread matching with the spiral groove 721 is fixed to the outer wall of the limiting rod 71.

Referring to fig. 2 to 8, before the jam frame 4 is turned over, the protection plate 45 and the clamping plate 46 are restricted by the locking lever 75, and the clamping plate 46 and the protection plate 45 cannot slide, so that the base groove 441 is always in an open state, thereby facilitating the installation of the base material.

Referring to fig. 2 to 8, when the jam frame 4 moves onto the overturning platform 5, the jam frame 4 collides with the short rod 62, the limit rod 71 is inserted into the limit hole 48, the limit rod 71 drives the limit cylinder 72 to rotate, the limit cylinder 72 drives the locking rod 75 to slide through the worm wheel 74 and the worm 73, and the locking rod 75 is retracted into the locking hole 49, so that the clamping plate 46 is unlocked.

At this time, the clamping plates 53 are pressed against the clamping plates 46 from both sides of the jam frame 4 to clamp the clamping plates 46, the two clamping plates 46 and the protection plate 45 move in opposite directions, the clamping plates 46 clamp the side plates 44 through the clamping rods 461, and the protection plate 45 shields the opening of the base groove 441 to protect the base material.

At this time, the turning block 51 is turned over to raise the jam frame 4, the clamping plate 46 is released by the clamping plate 53, the clamping plate 46 and the protection plate 45 are reset, the base groove 441 is opened again, and the base material can be output from the jam frame 4 by the material conveying belt 3.

The embodiment of the application provides a loading and unloading mechanism for a sheet substrate ultrasonic scanning device, which is implemented by the principle that an operator places a blocking frame 4 with a substrate upwards on a feeding belt 2, the feeding belt 2 conveys the blocking frame 4 to a turnover table 5, a clamping plate 53 clamps the blocking frame 4, a turnover block 51 turns the blocking frame 4 up, the turnover table 5 descends step by step, and a material conveying belt 3 outputs the substrates one by one.

The above embodiments are not intended to limit the scope of the application, so that the equivalent changes of the structure, shape and principle of the application are covered by the scope of the application.

Claims

1. The utility model provides a slice substrate ultrasonic scanning equipment is with last unloading mechanism, includes frame (1), its characterized in that:

The machine frame (1) is provided with a feeding belt (2) and a material conveying belt (3) which are horizontal and positioned on the same straight line, the feeding belt (2) is conveyed towards the material conveying belt (3), the conveying directions of the feeding belt (2) and the material conveying belt (3) are the same,

The feeding belt (2) is provided with a blocking frame (4) for bearing a substrate, the blocking frame (4) comprises a bottom plate (41) contacted with the feeding belt (2), two ends of the bottom plate (41) are vertically fixed with baffle plates (42), an avoidance opening (43) is formed in the middle of each baffle plate (42), two sides of the bottom plate (41) are vertically fixed with side plates (44), the side plates (44) are parallel to the conveying direction of the feeding belt (2), a plurality of base grooves (441) for clamping the substrate are formed in pairs on the two side plates (44),

The feeding belt (2) and the conveying belt (3) are provided with a turnover table (5), the turnover table (5) is rotationally connected with a turnover block (51), the turnover block (51) is fixedly connected with a turnover frame (6), the turnover frame (6) comprises two long rods (61) used for bearing a bottom plate (41) and two short rods (62) used for bearing a baffle plate (42), the long rods (61) are provided with a plurality of rollers (63), when the long rods (61) are in a horizontal state, the upper surfaces of the rollers (63) are flush with the upper surface of the feeding belt (2), when the short rods (62) are in a horizontal state, the avoidance openings (43) are opposite to the end parts of the conveying belt (3),

The overturning platform (5) is vertically and slidably connected with the frame (1), a limiting frame (52) for supporting a short rod (62) is arranged on one side, facing the material conveying belt (3), of the overturning platform (5), and when the short rod (62) is in interference with the limiting frame (52), the short rod (62) is in a horizontal state;

One end of the side plate (44) far away from the bottom plate (41) is connected with a protection plate (45) parallel to the bottom plate (41) in a sliding manner, a sliding plane of the protection plate (45) is parallel to a plane where the bottom plate (41) is located, when the two protection plates (45) are far away from each other to the farthest end, the protection plate (45) does not shield the base groove (441), and when the two protection plates (45) are close to each other to the nearest end of the protection plate (45) shields the base groove (441);

the side that curb plate (44) deviate from each other is connected with grip block (46) parallel with curb plate (44) in sliding mode, grip block (46) are fixed continuous with guard plate (45), be equipped with a plurality of reset springs (47) between grip block (46) and curb plate (44).

2. The feeding and discharging mechanism for the sheet substrate ultrasonic scanning equipment according to claim 1, wherein a limiting plate (64) used for limiting the stopper frame (4) is fixed on the long rod (61), two clamping plates (53) positioned on two sides are connected to the turnover frame (6) in a sliding mode, the sliding direction of the two clamping plates (53) is perpendicular to the conveying direction of the feeding belt (2), and a clamping opening (641) opposite to the clamping plate (46) is formed in the limiting plate (64).

3. The loading and unloading mechanism for a sheet substrate ultrasonic scanning apparatus according to claim 1, wherein a plurality of holding rods (461) perpendicular to the side plate (44) are fixed to a surface of the holding plate (46) facing the side plate (44), and the holding rods (461) are separated from the side plate (44) when the return spring (47) is in a natural state.

4. The loading and unloading mechanism for the sheet substrate ultrasonic scanning equipment according to claim 1, wherein a limiting rod (71) parallel to the long rod (61) is vertically fixed on one side of the short rod (62) facing the baffle plate (42), and a limiting hole (48) opposite to the limiting rod (71) is formed on one side of the baffle plate (42) facing the short rod (62).

5. The feeding and discharging mechanism for the sheet substrate ultrasonic scanning device according to claim 4, wherein the limiting hole (48) penetrates through the baffle (42) and extends into the side plate (44), a locking hole (49) which is perpendicular to and communicated with the limiting hole (48) is formed in the side plate (44), a locking rod (75) is connected in the locking hole (49) in a sliding mode, a limiting cylinder (72) is connected in a rotating mode in the limiting hole (48), a spiral groove (721) is formed in the inner wall of the limiting cylinder (72), threads matched with the spiral groove (721) are fixed on the outer wall of the limiting rod (71), a worm (73) is coaxially fixed on the limiting cylinder (72), a worm wheel (74) meshed with the worm (73) is connected in a rotating mode in the locking hole (49), a through hole is formed in a coaxial mode, a thread groove is formed in the inner wall of the locking rod (75), and threads matched with the thread groove are formed in the outer wall of the locking rod (75).

6. The feeding and discharging mechanism for the sheet substrate ultrasonic scanning device according to claim 5, wherein a reset torsion spring (76) is arranged on the worm (73), and when the reset torsion spring (76) is in a natural state, the end part of the locking rod (75) is abutted against the clamping plate (46).

7. The loading and unloading mechanism for the ultrasonic scanning equipment for the sheet-shaped substrate is characterized in that the locking holes (49) are formed in the side plates (44) in pairs, the two locking holes (49) are respectively positioned at two ends of the side plates (44), and the worms (73) in the two locking holes (49) are coaxially and fixedly connected.