CN113546876A

CN113546876A - Automatic blanking machine for chip detection

Info

Publication number: CN113546876A
Application number: CN202110884611.7A
Authority: CN
Inventors: 孙征
Original assignee: Qixin Suzhou Intelligent Technology Co ltd
Current assignee: Qixin Suzhou Intelligent Technology Co ltd
Priority date: 2021-08-03
Filing date: 2021-08-03
Publication date: 2021-10-26

Abstract

The invention relates to the technical field of chip detection, and discloses an automatic blanking machine for chip detection. Can treat the chip that detects through two sets of fixture and carry out the centre gripping, prevent that the chip from rocking and influencing final testing result, the chip detection precision has been improved, and two sets of fixture simultaneous workings, can accomplish the centre gripping work in the short time, centre gripping efficiency is showing and is promoting, can cushion the treatment to the buffer board through buffer gear, prevent that the chip from dropping and appear damaging the phenomenon after the striking in the storage compartment, and protect the chip through the mode of multistage buffering, can avoid the tradition to carry out the unicity that cushions through the blotter, buffering protective effect is better.

Description

Automatic blanking machine for chip detection

Technical Field

The invention relates to the technical field of chip detection, in particular to an automatic blanking machine for chip detection.

Background

A chip, also called microcircuit, refers to a silicon chip containing integrated circuits, which is very small in volume and is often a part of a computer or other electronic devices, a chip is a way of miniaturizing circuits (mainly including semiconductor devices and passive components) in electronics and is usually manufactured on the surface of a semiconductor wafer, the integrated circuits manufactured on the surface of the semiconductor chip are also called thin film integrated circuits, another thick film hybrid integrated circuit is a miniaturized circuit composed of independent semiconductor devices and passive components and integrated on a substrate or a circuit board, after the chip is produced, the comprehensive performance of the chip needs to be detected, and after the detection process, the chip needs to be blanked by a blanking machine.

The Chinese patent discloses a blanking device (No. CN 212768068U) for an automatic optical detector, which is provided with a storage bin, a guide plate and a buffer pad, when a workpiece is conveyed to a second conveyor belt, the second conveyor belt respectively conveys the workpiece to the storage bins at two sides of a main body of the device, the top of the guide plate is smooth, the workpiece can conveniently and quickly slide into the storage bin, a buffer pad is bonded on the inner wall of the storage bin, and the buffer pad is made of foam cotton material, so that the buffer pad can buffer the workpiece, the workpiece is prevented from being collided and damaged with the storage bin, the device automatically classifies and stores the workpiece, manual sorting by a user is avoided, the use of the user is more convenient, and the working efficiency of the user is greatly improved, however, when the blanking device is used, on one hand, the chip to be detected is difficult to be clamped, and the chip is easy to shake to influence the final detection result, on the other hand needs two sets of conveyer belts just can accomplish the work piece classification and deposit, and manufacturing cost is higher to storage compartment only carries out single buffering through the blotter among the above-mentioned unloader, and buffering protective effect is not good enough. Accordingly, one skilled in the art provides an automatic chip testing feeder to solve the above problems in the prior art.

Disclosure of Invention

The invention aims to provide an automatic blanking machine for chip detection, which can clamp a chip to be detected through two groups of clamping mechanisms, prevent the chip from shaking to influence the final detection result, improve the detection accuracy of the chip, and can complete the clamping work in a short time by the simultaneous working of the two groups of clamping mechanisms, the clamping efficiency is obviously improved, two groups of scraping rods can be driven to rotate simultaneously through a driving mechanism, so that the qualified chips and the unqualified chips on the two sides of an aggregate plate can be collected in two groups of storage bins respectively, the classification efficiency of the chip is improved, the mode replaces the defect that the classification storage is completed by using two groups of conveying belts in the prior art, the classification collection can be completed by only using one stepping motor as the driving force, the required cost is lower, the efficiency is higher, the buffer plate can be buffered through the buffer mechanism, and the damage phenomenon after the chip falls into the storage bins is prevented, and protect the chip through the mode of multistage buffering, can avoid the tradition to carry out the unicity that cushions through the blotter, the buffering protective effect is better, has ensured the follow-up use of chip.

In order to achieve the purpose, the invention provides the following technical scheme:

an automatic blanking machine for chip detection comprises a supporting seat, wherein the upper surface of the supporting seat is fixedly connected with a detection machine body, storage bins are fixedly connected with the two sides of the supporting seat, a first servo motor is fixedly connected with the upper surface of the detection machine body, a sliding rod and a detection head are fixedly connected with the lower surface of the detection machine body, the driving end of the first servo motor movably penetrates through the detection machine body and is connected with a lead screw, a mounting plate is sleeved outside the sliding rod and the lead screw, a placing plate is fixedly connected with one end of the mounting plate, a controller is fixedly connected with the rear surface of the detection machine body, a material collecting plate is fixedly connected with the front surface of the placing plate, a sliding groove is transversely formed in the upper surface of the placing plate, two clamping mechanisms are installed inside the placing plate, fastening plates are fixedly connected with the two side edges of the upper surface of the supporting seat, a driving mechanism is installed inside the supporting seat, and buffer plates are movably connected with the insides of the two storage bins, the bottom of the buffer plate is provided with a buffer mechanism;

the clamping mechanism comprises a metal rod, a second servo motor, an adjusting rod, a limiting plate, anti-skidding blocks and a clamping plate, wherein the second servo motor is fixedly connected inside the placing plate, the driving end of the second servo motor is connected with the metal rod, one end of the metal rod is movably connected with the adjusting rod, one end of the adjusting rod is rotatably connected with the limiting plate through a bearing, the top end of the limiting plate is fixedly connected with the clamping plate, and the inner wall of the clamping plate is fixedly connected with the three anti-skidding blocks;

actuating mechanism includes transfer line, second gyro wheel, belt, gear wheel, step motor, first gyro wheel, links up pole, transmission support, pinion and scrapes the material pole, the step motor rigid coupling is in the inside of supporting seat, and is connected with on step motor's the drive end and links up the pole, and the outside of linking the pole is fixed to cup joint first gyro wheel and gear wheel, and links up the both sides of pole and install transfer line and transmission support respectively, and the external fixation of transfer line has cup jointed the second gyro wheel, and the outside of transmission support is fixed to cup joint the pinion, and the equal rigid coupling in top of transfer line and fixing base has scraped the material pole, be connected with the belt between first gyro wheel and the second gyro wheel.

As a still further scheme of the invention: the limiting plate is connected inside the sliding groove in a sliding mode, the anti-slip blocks are of triangular structures, and the anti-slip blocks are members made of rubber materials.

As a still further scheme of the invention: the metal rod, the adjusting rod, the limiting plate, the anti-skidding block and the clamping plate are symmetrically distributed by taking the central axis of the placing plate as a reference.

As a still further scheme of the invention: the gear wheel and the pinion are meshed with each other, the top ends of the transmission rod and the transmission support movably penetrate through the top of the supporting seat and extend to the upper portion of the supporting seat, and the bottom ends of the transmission rod and the transmission support are rotatably connected inside the supporting seat through bearings.

As a still further scheme of the invention: the material collecting plate and the fastening plates are equal in thickness, and the material collecting plate is located between the two fastening plates.

As a still further scheme of the invention: two scrape the material pole and be "L" type structure, and two scrape the material pole and be relative distribution, two scrape the material pole and be located two respectively the top department of mounting plate.

As a still further scheme of the invention: buffer gear includes second spring, installation piece, metal shrapnel, first branch pipe, fixing base, first spring and second branch pipe, the both sides of fixing base are movable laminating respectively has first branch pipe and second branch pipe, is connected with first spring between first branch pipe and the second branch pipe, and the equal movable laminating in bottom of first branch pipe and second branch pipe has the installation piece, two all be connected with the second spring between installation piece and the storage bin, equal rigid coupling has metal shrapnel between first branch pipe and the buffer board and between second branch pipe and the buffer board.

As a still further scheme of the invention: the top of first branch pipe and second branch pipe all swing joint is at the lower surface of buffer board, and first branch pipe and second branch pipe are relative distribution.

As a still further scheme of the invention: the fixing seat is of a semicircular structure, the mounting block is movably attached to the bottom surface of the interior of the storage bin, and the two metal elastic pieces are arc-shaped.

Compared with the prior art, the invention has the beneficial effects that:

1. the chip to be detected can be clamped through the two groups of clamping mechanisms, the chip is prevented from shaking to influence the final detection result, the detection accuracy of the chip is improved, the two groups of clamping mechanisms work simultaneously, the clamping work can be finished in a short time, and the clamping efficiency is obviously improved;

2. the two groups of scraping rods can be driven to rotate simultaneously through the driving mechanism, so that qualified chips and unqualified chips on two sides of the material collecting plate can be collected in the two groups of storage bins respectively, the classification efficiency of the chips is improved, the defect that the classification storage is finished by utilizing two groups of conveying belts in the prior art is overcome, the classification collection can be finished only by using one stepping motor as the driving force, the required cost is lower, and the efficiency is higher;

3. can cushion the processing to the buffer board through buffer gear, prevent that the chip from dropping and appear damaging the phenomenon after the striking in the storage compartment, protect the chip through the mode of multistage buffering moreover, can avoid the tradition to carry out the unicity that cushions through the blotter, the buffering protective effect is better, has ensured the follow-up use of chip.

Drawings

FIG. 1 is a schematic structural view of an automatic chip detecting and feeding machine;

FIG. 2 is a schematic structural diagram of a driving mechanism in an automatic chip detecting and feeding machine;

FIG. 3 is a schematic structural view of a buffering mechanism in an automatic chip detecting and feeding machine;

FIG. 4 is a schematic structural view of a clamping mechanism in an automatic chip detecting and feeding machine;

fig. 5 is a schematic view of an installation structure of a detection head in the automatic chip detection blanking machine.

In the figure: 1. a first servo motor; 2. a slide bar; 3. a screw rod; 4. a detection head; 5. a controller; 6. a supporting seat; 7. a storage bin; 8. a fastening plate; 9. a material collecting plate; 10. placing the plate; 11. mounting a plate; 12. detecting a body; 13. a transmission rod; 14. a second roller; 15. a belt; 16. a bull gear; 17. a stepping motor; 18. a first roller; 19. a connecting rod; 20. a transmission bracket; 21. a pinion gear; 22. a scraping rod; 23. a drive mechanism; 24. a buffer plate; 25. a second spring; 26. mounting blocks; 27. a metal spring sheet; 28. a first branch pipe; 29. a fixed seat; 30. a first spring; 31. a second branch pipe; 32. a buffer mechanism; 33. a metal rod; 34. a second servo motor; 35. adjusting a rod; 36. a limiting plate; 37. anti-skid blocks; 38. a clamping plate; 39. a chute; 40. a clamping mechanism.

Detailed Description

Example 1

Referring to fig. 1, 2, 4 and 5, an automatic chip feeding machine includes a supporting seat 6, a detecting body 12 is fixedly connected to an upper surface of the supporting seat 6, a storage bin 7 is fixedly connected to both sides of the supporting seat 6, a first servo motor 1 is fixedly connected to an upper surface of the detecting body 12, a slide bar 2 and a detecting head 4 are fixedly connected to a lower surface of the detecting body 12, a driving end of the first servo motor 1 movably penetrates through the detecting body 12 and is connected to a lead screw 3, a mounting plate 11 is slidably connected to the slide bar 2, the mounting plate 11 is in threaded connection with the lead screw 3, the mounting plate 11 is sleeved outside the slide bar 2 and the lead screw 3, a placing plate 10 is fixedly connected to one end of the mounting plate 11, a controller 5 is fixedly connected to a rear surface of the detecting body 12, a material collecting plate 9 is fixedly connected to a front surface of the placing plate 10, a sliding groove 39 is transversely formed in an upper surface of the placing plate 10, two clamping mechanisms 40 are installed inside the placing plate 10, the clamping mechanism 40 comprises a metal rod 33, a second servo motor 34, an adjusting rod 35, a limiting plate 36, anti-skidding blocks 37 and a clamping plate 38, the second servo motor 34 is fixedly connected inside the placing plate 10, the metal rod 33 is connected on the driving end of the second servo motor 34, one end of the metal rod 33 is movably connected with the adjusting rod 35, one end of the adjusting rod 35 is rotatably connected with the limiting plate 36 through a bearing, the top end of the limiting plate 36 is fixedly connected with the clamping plate 38, three anti-skidding blocks 37 are fixedly connected on the inner wall of the clamping plate 38, the limiting plate 36 is slidably connected inside the sliding groove 39, the anti-skidding blocks 37 are of a triangular structure, the anti-skidding blocks 37 are rubber members, the metal rod 33, the adjusting rod 35, the limiting plate 36, the anti-skidding blocks 37 and the clamping plate 38 are symmetrically distributed by taking the central axis of the placing plate 10 as the reference, and the chips to be detected can be clamped through the two groups of clamping mechanisms 40, prevent that the chip from rocking and influencing final testing result, improved the chip and detected the precision, two sets of fixture 40 simultaneous workings moreover can accomplish clamping work in the short time, and clamping efficiency is showing and is promoting.

In fig. 1 and 2, fastening plates 8 are fixedly connected to edges of two sides of the upper surface of the supporting seat 6, a driving mechanism 23 is installed inside the supporting seat 6, the driving mechanism 23 includes a transmission rod 13, a second roller 14, a belt 15, a gearwheel 16, a stepping motor 17, a first roller 18, a connecting rod 19, a transmission bracket 20, a pinion 21 and a scraping rod 22, the stepping motor 17 is fixedly connected inside the supporting seat 6, the driving end of the stepping motor 17 is connected with the connecting rod 19, the connecting rod 19 is fixedly connected with the first roller 18 and the gearwheel 16, the transmission rod 13 and the transmission bracket 20 are respectively installed on two sides of the connecting rod 19, the second roller 14 is fixedly connected to the outside of the transmission rod 13, the pinion 21 is fixedly connected to the outside of the transmission bracket 20, the scraping rods 22 are fixedly connected to the top ends of the transmission rod 13 and the fixing seat 29, the belt 15 is connected between the first roller 18 and the second roller 14, the bull gear 16 and the pinion 21 are meshed with each other, the top ends of the transmission rod 13 and the transmission bracket 20 movably penetrate through the top of the supporting seat 6 and extend to the upper part of the supporting seat 6, the bottom ends of the transmission rod 13 and the transmission bracket 20 are rotatably connected inside the supporting seat 6 through bearings, the thicknesses of the material collecting plate 9 and the fastening plate 8 are equal, the material collecting plate 9 is positioned between the two fastening plates 8, the two material scraping rods 22 are both in an L-shaped structure, the two material scraping rods 22 are oppositely distributed, the two material scraping rods 22 are respectively positioned above the two fastening plates 8, the two material scraping rods 22 can be driven to simultaneously rotate through the driving mechanism 23, qualified chips and unqualified chips on the two sides of the material collecting plate 9 can be respectively collected in the two groups of storage bins 7, the chip classification efficiency is improved, the mode replaces the defect that the component storage is conventionally completed by utilizing two groups of conveyor belts, the component collection can be completed only by using one stepping motor 17 as the driving force, lower cost is required and at the same time higher efficiency.

In fig. 3, the interior of the two storage bins 7 are movably connected with a buffer plate 24, the bottom of the buffer plate 24 is provided with a buffer mechanism 32, the buffer mechanism 32 comprises a second spring 25, a mounting block 26, a metal elastic sheet 27, a first branch pipe 28, a fixed seat 29, a first spring 30 and a second branch pipe 31, two sides of the fixed seat 29 are movably attached with the first branch pipe 28 and the second branch pipe 31 respectively, the first spring 30 is connected between the first branch pipe 28 and the second branch pipe 31, the bottom of the first branch pipe 28 and the bottom of the second branch pipe 31 are movably attached with the mounting block 26, the two mounting blocks 26 and the storage bins 7 are connected with the second spring 25 respectively, the metal elastic sheets 27 are fixedly connected between the first branch pipe 28 and the buffer plate 24 and between the second branch pipe 31 and the buffer plate 24, the top ends of the first branch pipe 28 and the second branch pipe 31 are movably connected to the lower surface of the buffer plate 24, and the first branch pipe 28 and the second branch pipe 31 are distributed oppositely, fixing base 29 is semi-circular structure, installation piece 26 activity laminating is on the inside bottom surface of storage compartment 7, two metal shrapnel 27 are circular-arcly, can cushion buffer plate 24 through buffer gear 32 and handle, prevent that the chip from dropping and appear damaging the phenomenon after the striking in storage compartment 7, and the mode through multistage buffering protects the chip, can avoid the tradition to carry out the unicity of buffering through the blotter, and the buffering protective effect is better, has ensured the follow-up use of chip.

When the chip detection device is used, a chip is placed between the two groups of clamping plates 38, then the controller 5 controls the second servo motor 34 to work, the second servo motor 34 drives the metal rod 33 to rotate forwards when rotating forwards, at the same time, the adjusting rod 35 drives the limiting plate 36 to move rightwards along the sliding groove 39, and further drives the clamping plate 38 to move rightwards, the other group of clamping plates 38 can be driven to move leftwards by the same principle, the chip can be clamped through the relative movement of the two groups of clamping plates 38, the chip to be detected can be clamped through the two groups of clamping mechanisms 40, the chip is prevented from shaking to influence the final detection result, the chip detection accuracy is improved, the two groups of clamping mechanisms 40 work simultaneously, the clamping work can be completed in a short time, the clamping efficiency is obviously improved, then the controller 5 controls the first servo motor 1 to work, at the moment, the screw rod 3 can be driven to rotate, and the mounting plate 11 is connected with the slide rod 2 in a sliding way, the mounting plate 11 is connected with the screw rod 3 by screw thread, so the mounting plate 11 and the placing plate 10 can be driven to move upwards at this time, the clamped chips can be conveniently moved to the position below the detection head 4 for detection, after the detection is finished, the controller 5 controls the first servo motor 1 to rotate in the opposite direction, the mounting plate 11, the placing plate 10 and the material collecting plate 9 can be driven to move downwards at this time until the material collecting plate 9 moves downwards between the two groups of fastening plates 8, the controller 5 controls the step motor 17 to work, the step motor 17 is electrified to drive the connecting rod 19 to rotate, and further drive the first roller 18 and the big gear 16 to rotate, as the belt 15 is connected between the first roller 18 and the second roller 14, and the big gear 16 and the small gear 21 are meshed with each other, the transmission rod 13 and the transmission bracket 20 can be driven to rotate in the opposite direction, and then the user only needs to place the qualified chips and the unqualified chips at the two sides of the material collecting plate 9 respectively, at this time, the qualified chips and the unqualified chips can be respectively collected in the two storage bins 7 through the two sets of scraping rods 22 which rotate oppositely, so that the two sets of scraping rods 22 can be driven by the driving mechanism 23 to rotate simultaneously, which is beneficial to respectively collecting the qualified chips and the unqualified chips on the two sides of the aggregate plate 9 in the two storage bins 7, thereby improving the classification efficiency of the chips, the defect of traditionally completing classification storage by using two sets of conveyor belts is replaced by the mode, the classification collection can be completed only by using one stepping motor 17 as the driving force, the required cost is lower, the efficiency is higher, when the chips fall in the storage bins 7, the buffer plate 24 can be pressed, the buffer plate 24 is forced to move downwards, at this time, under the action of the fixing seat 29, the first branch pipe 28 and the second branch pipe 31 can be driven to move oppositely, the first branch pipe 28 and the second branch pipe 31 can be pressed to the mounting block 26 after moving oppositely, can cause the extrusion to second spring 25 this moment, can also make first spring 30 be in tensile state after first branch pipe 28 and the opposite removal of second branch pipe 31 simultaneously, and can also cause the extrusion to two sets of metal shrapnel 27 after first branch pipe 28 and the opposite removal of second branch pipe 31, thereby the purpose of buffering has been played, so can cushion treatment to buffer board 24 through buffer gear 32, prevent that the chip from dropping and appearing damaging the phenomenon after the striking in storage compartment 7, and protect the chip through the mode of multistage buffering, can avoid the tradition to carry out the unicity that cushions through the blotter, buffering protective effect is better, the subsequent use of chip has been ensured.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Claims

1. The utility model provides a chip detects automatic blanking machine, including supporting seat (6), the upper surface rigid coupling of supporting seat (6) has detection organism (12), and the equal rigid coupling in both sides of supporting seat (6) has storage compartment (7), the upper surface rigid coupling of detection organism (12) has first servo motor (1), and the lower surface rigid coupling of detection organism (12) has slide bar (2) and detection head (4), the drive end activity of first servo motor (1) runs through detection organism (12) and is connected with lead screw (3), the outside of slide bar (2) and lead screw (3) has cup jointed mounting panel (11), the one end rigid coupling of mounting panel (11) has place board (10), the rear surface rigid coupling of detection organism (12) has controller (5), a serial communication port, the front surface rigid coupling of placing board (10) has material collecting plate (9), and place the upper surface of board (10) and transversely seted up spout (39), two clamping mechanisms (40) are installed inside the placing plate (10), fastening plates (8) are fixedly connected to edges of two sides of the upper surface of the supporting seat (6), a driving mechanism (23) is installed inside the supporting seat (6), buffer plates (24) are movably connected inside the two storage bins (7), and buffer mechanisms (32) are installed at the bottoms of the buffer plates (24);

the clamping mechanism (40) comprises a metal rod (33), a second servo motor (34), an adjusting rod (35), a limiting plate (36), anti-skidding blocks (37) and a clamping plate (38), the second servo motor (34) is fixedly connected inside the placing plate (10), the driving end of the second servo motor (34) is connected with the metal rod (33), one end of the metal rod (33) is movably connected with the adjusting rod (35), one end of the adjusting rod (35) is rotatably connected with the limiting plate (36) through a bearing, the top end of the limiting plate (36) is fixedly connected with the clamping plate (38), and the inner wall of the clamping plate (38) is fixedly connected with the three anti-skidding blocks (37);

the driving mechanism (23) comprises a transmission rod (13), a second idler wheel (14), a belt (15), a gearwheel (16), a stepping motor (17), a first idler wheel (18), a connecting rod (19), a transmission bracket (20), a pinion (21) and a scraping rod (22), the stepping motor (17) is fixedly connected inside the supporting seat (6), the driving end of the stepping motor (17) is connected with the connecting rod (19), the first idler wheel (18) and the gearwheel (16) are fixedly sleeved on the outer portion of the connecting rod (19), the transmission rod (13) and the transmission bracket (20) are respectively installed on two sides of the connecting rod (19), the second idler wheel (14) is sleeved on the outer portion of the transmission rod (13), the pinion (21) is sleeved on the outer portion of the transmission bracket (20), the scraping rod (22) is fixedly connected to the top ends of the transmission rod (13) and the fixing seat (29), a belt (15) is connected between the first roller (18) and the second roller (14).

2. The automatic chip detecting blanking machine according to claim 1, wherein the limiting plate (36) is slidably connected inside the sliding groove (39), the anti-slip block (37) is of a triangular structure, and the anti-slip block (37) is a rubber member.

3. The automatic chip detection blanking machine according to claim 1, wherein the metal rods (33), the adjusting rods (35), the limiting plates (36), the anti-slip blocks (37) and the clamping plates (38) are symmetrically distributed with the central axis of the placing plate (10) as a reference.

4. The automatic chip detection blanking machine according to claim 1, wherein the large gear (16) and the small gear (21) are engaged with each other, the top ends of the transmission rod (13) and the transmission bracket (20) movably penetrate through the top of the supporting seat (6) and extend to the upper part of the supporting seat (6), and the bottom ends of the transmission rod (13) and the transmission bracket (20) are rotatably connected inside the supporting seat (6) through bearings.

5. The automatic chip detecting blanking machine according to claim 1, characterized in that the thickness of the material collecting plate (9) and the fastening plate (8) are equal, and the material collecting plate (9) is located between two fastening plates (8).

6. The automatic chip detecting blanking machine according to claim 1, wherein the two scraping rods (22) are both of an "L" shape, and the two scraping rods (22) are oppositely distributed, and the two scraping rods (22) are respectively located above the two fastening plates (8).

7. The automatic blanking machine for chip detection according to claim 1, characterized in that the buffer mechanism (32) comprises a second spring (25), a mounting block (26), a metal spring sheet (27), a first branch pipe (28), a fixed seat (29), a first spring (30) and a second branch pipe (31), a first branch pipe (28) and a second branch pipe (31) are respectively and movably attached to two sides of the fixed seat (29), a first spring (30) is connected between the first branch pipe (28) and the second branch pipe (31), the bottoms of the first branch pipe (28) and the second branch pipe (31) are movably jointed with mounting blocks (26), a second spring (25) is connected between the two mounting blocks (26) and the storage bin (7), and metal elastic sheets (27) are fixedly connected between the first branch pipe (28) and the buffer plate (24) and between the second branch pipe (31) and the buffer plate (24).

8. The automatic chip detecting and blanking machine according to claim 7, wherein the top ends of the first branch pipe (28) and the second branch pipe (31) are movably connected to the lower surface of the buffer plate (24), and the first branch pipe (28) and the second branch pipe (31) are distributed oppositely.

9. The automatic blanking machine for chip detection according to claim 7, wherein the fixing seat (29) is of a semicircular structure, the mounting block (26) is movably attached to the inner bottom surface of the storage bin (7), and the two metal elastic sheets (27) are both arc-shaped.