阅读说明：本技术 链片检测系统用送料装置 (Feeding device for chain piece detection system ) 是由 冯辰 洪婷婷 许晓东 朱文超 徐文龙 刘杰 于 2021-07-14 设计创作，主要内容包括：本发明公开了一种链片检测系统用送料装置,包括：支架,其作为支撑基础框架,与链片检测系统固定连接；直线振动送料器,其安装在支架上,用以提供动力源,使得链片从缓存料盒送入链片检测系统；缓存料盒,其安装在直线振动送料器的顶部,用以缓存链片,并调节链片方向与角度；滑道,其固定在支架上,接收链片,并将其滑动送入缓存料盒；推料装置,其安装在缓存料盒上,用以带动链片从缓存料盒逐层叠放在缓存料盒内,同时辅助直线振动送料器推动链片进入链片检测系统,通过使用本发明可实现链片在检测前,通过缓存料盒的作用实现了链片自动摆阵方向,再通过直线振动器配合推料装置将链片推出,从而保证送出的链片方向与角度满足检测要求。(The invention discloses a feeding device for a chain sheet detection system, which comprises: the bracket is used as a supporting base frame and is fixedly connected with the chain sheet detection system; the linear vibration feeder is arranged on the bracket and used for providing a power source so that the chain sheets are conveyed into the chain sheet detection system from the buffer storage box; the buffer storage material box is arranged at the top of the linear vibration feeder and used for buffering the chain sheets and adjusting the direction and the angle of the chain sheets; the slideway is fixed on the bracket, receives the chain sheet and sends the chain sheet into the buffer material box in a sliding way; the pushing device is arranged on the cache material box and used for driving the chain sheets to be stacked in the cache material box layer by layer from the cache material box, meanwhile, the auxiliary linear vibration feeder pushes the chain sheets to enter the chain sheet detection system, the chain sheet automatic arrangement direction can be realized through the action of the cache material box before detection, and then the chain sheets are pushed out through the linear vibrator matched with the pushing device, so that the direction and the angle of the sent chain sheets meet the detection requirements.)

1. The utility model provides a material feeding unit for chain piece detecting system which characterized in that includes:

the bracket (1) is used as a supporting base frame and is fixedly connected with the chain sheet detection system;

the linear vibration feeder (2) is arranged on the bracket (1) and used for providing a power source so that the chain sheets (6) are conveyed into the chain sheet detection system from the buffer material box (3);

the buffer storage box (3) is arranged at the top of the linear vibration feeder (2) and used for buffering the chain sheet (6) and adjusting the direction and the angle of the chain sheet (6);

the slide way (4) is fixed on the bracket (1), receives the chain sheet (6) and sends the chain sheet into the buffer material box (3) in a sliding way;

and the pushing device (5) is arranged on the buffer storage material box (3) and used for driving the chain sheets (6) to be stacked in the buffer storage material box (3) layer by layer from the buffer storage material box (3), and meanwhile, the linear vibration feeder (2) is assisted to push the chain sheets (6) to enter the chain sheet detection system.

2. The feeding device for the chain link detection system according to claim 1, wherein the buffer magazine (3) comprises a trough bottom plate (31), a trough vertical plate (32), a first trough side plate (33), a second trough side plate (34) and a material distribution plate (35), and magazines are formed among the trough bottom plate (31), the trough vertical plate (32), the first trough side plate (33), the second trough side plate (34) and the material distribution plate (35);

the trough bottom plate (31) is fixed to the top of the linear vibration feeder (2), the trough vertical plate (32) is fixed to the trough bottom plate (31), the first trough side plate (33) is mounted on the trough vertical plate (32) through the first adjusting assembly (36), the second trough side plate (34) is mounted beside the first trough side plate (33) through the second adjusting assembly (37), and the second adjusting assembly (37) drives the second trough side plate (34) to move and adjust a gap between the second trough side plate (34) and the first trough side plate (33); the material distribution plate (35) is arranged between the first material groove side plate (33) and the second material groove side plate (34) and is installed on the first material groove side plate (33) through a third adjusting assembly (38), a material outlet is formed by the bottom of the material distribution plate (35) and the material groove bottom plate (31), and the third adjusting assembly (38) drives the material distribution plate (35) to move up and down and adjust the size of the material outlet; the first adjusting assembly (36) drives the first trough side plate (33) to move relative to the vertical plate and adjusts the gap between the material distributing plate (35) and the vertical plate; the upper part and the bottom of the trough vertical plate (32) are both provided with an upper slotted hole (321) and a lower slotted hole (322) which are matched with the material pushing device (5).

3. The feeding device for the chain link detection system as claimed in claim 2, wherein the first adjusting assembly (36) comprises a first adjusting rod (361), a first guide rod (362) and a first linear bearing (363), the middle section of the first adjusting rod (361) is in threaded connection with the trough vertical plate (32), the end of the first adjusting rod (361) is movably connected to the first trough side plate (33), the first guide rod (362) is connected to the first trough side plate (33) through the first linear bearing (363), and the end of the first guide rod (362) is fixed to the trough vertical plate (32);

the second adjusting assembly (37) comprises a second adjusting rod (371), a second guide rod (372) and a second linear bearing (373), the middle section of the second adjusting rod (371) is movably connected to the first trough side plate (33), the end part of the second adjusting rod (371) is in threaded connection with the second trough side plate (34), the second guide rod (372) is connected to the second trough side plate (34) through the second linear bearing (373), and the second guide rod (372) is fixed to the first trough side plate (33);

third regulation subassembly (38) are including third regulation pole (381), third guide arm (382), divide material mounting panel (383) and baffle (384), baffle (384) set up between first silo curb plate (33) and second silo curb plate (34), and fix on first silo curb plate (33), divide material mounting panel (383) to set up in first silo curb plate (33) top, divide material board (35) to fix on dividing material mounting panel (383), the middle section swing joint of third regulation pole (381) divides material mounting panel (383), the tip and the baffle (384) threaded connection of third regulation pole (381), the tip of third guide arm (382) is fixed on dividing material mounting panel (383), the other end of third guide arm (382) inserts first silo curb plate (33) and sets up.

4. The feeding device for the chain piece detection system as claimed in claim 3, wherein an air passage (3843) is arranged in the baffle plate (384), an air injection hole (3842) communicated with the air passage (3843) is formed in the bottom of the baffle plate (384), an air inlet hole (3841) communicated with the air passage (3843) is formed in the upper portion of the baffle plate (384), and the air inlet hole (3841) is connected with an air source.

5. The feeding device for the chain piece detection system as claimed in claim 3, wherein the pushing device (5) comprises a cylinder bracket (51), a pushing cylinder (59), an upper pushing plate (52), a lower pushing plate (53) and a proximity sensor (54); the device is characterized in that the cylinder support (51) is fixed on the trough vertical plate (32), the pushing cylinder (59) is installed on the cylinder support (51), one end of the upper push plate (52) is connected to a piston rod of the cylinder, the other end of the upper push plate (52) is inserted into the upper slotted hole (321) in arrangement, one end of the lower push plate (53) is connected with one end of the upper push plate (52) through a synchronizing rod (55), the other end of the lower push plate (53) is inserted into the lower slotted hole (322) in arrangement, and the proximity sensor (54) is installed in the middle of the trough vertical plate (32) and used for detecting the height of the chain sheet (6) in the cache material box (3).

6. The feeding device for the chain piece detecting system according to claim 5, wherein a push plate positioning plate (58) is arranged on the trough bottom plate (31) beside the trough vertical plate (32), a positioning hole is formed in the bottom of the push plate positioning plate (58), the positioning hole is communicated with the lower slotted hole (322), and the lower push plate (53) is inserted into the positioning hole.

7. The feeding device for the chain sheet detection system as claimed in claim 5, wherein the upper pushing plate (52) is connected with a piston rod of a pushing cylinder (59) through an upper fixing block (56), one end of the lower pushing plate (53) is connected with a lower fixing block (57), and the upper fixing block (56) is connected with the lower fixing block (57) through a synchronizing rod (55).

8. The feeding device for the chain piece detection system according to any one of claims 1 to 7, wherein the bracket (1) comprises a vibrator mounting plate, a pair of supporting plates are mounted on two sides of the vibrator mounting plate, a top plate is fixed on the supporting plates, and the slide way (4) is mounted on the top plate.

Technical Field

The invention relates to a chain sheet detection system, and belongs to the technical field of visual detection.

Background

Most chains are composed of chain pieces, chain pins, shaft sleeves and other components, wherein the existing chain pieces mainly comprise chain piece bodies and two through holes formed in the chain piece bodies; similarly, the feeding in the detection process is generally manual operation, which is not convenient enough, and the feeding link can be realized for the angle placement of the chain sheet in the detection process without the prior art even if a professional detection device is used for detection.

Disclosure of Invention

The invention aims to provide a feeding device for a chain sheet detection system, aiming at the problem that the angle adjustment function cannot be realized during feeding of chain sheets in the chain sheet detection process in the prior art.

In order to solve the technical problems, the invention provides the following technical scheme: a material feeding unit for chain piece detecting system includes:

the bracket is used as a supporting base frame and is fixedly connected with the chain sheet detection system;

the linear vibration feeder is arranged on the bracket and used for providing a power source so that the chain sheets are conveyed into the chain sheet detection system from the buffer storage box;

the buffer storage material box is arranged at the top of the linear vibration feeder and used for buffering the chain sheets and adjusting the direction and the angle of the chain sheets;

the slideway is fixed on the bracket, receives the chain sheet and sends the chain sheet into the buffer material box in a sliding way;

and the pushing device is arranged on the buffer material box and used for driving the chain sheets to be stacked in the buffer material box layer by layer from the buffer material box, and meanwhile, the linear vibration feeder is assisted to push the chain sheets to enter the chain sheet detection system.

When the chain sheet stacking device works, the chain sheets to be detected are placed in the slide way, the chain sheets to be detected slide into the buffer material box under the action of gravity and are matched with the linear vibration feeder, the chain sheets to be detected are stacked one by one, the chain sheets at the bottom are reliably and stably fed into the conveying belt under the action of the linear vibration feeder and the material pushing device, and then the chain sheets enter the next detection link, and meanwhile, the chain sheets can be ensured to be stacked layer by layer under the action of the material pushing device, so that blockage is avoided.

The invention has the beneficial effects that:

by using the chain piece aligning device, the chain piece can be automatically aligned in direction under the action of the buffer storage material box before detection, and then the chain piece is pushed out by the linear vibrator matched with the material pushing device, so that the chain piece is prevented from being clamped, the direction and the angle of the sent chain piece meet the detection requirements, and the detection efficiency is further improved.

As a preferable scheme of the feeding device for the chain sheet detection system of the present invention, wherein: the buffer material box comprises a material groove bottom plate, a material groove vertical plate, a first material groove side plate, a second material groove side plate and a material distribution plate, and material boxes are formed among the material groove bottom plate, the material groove vertical plate, the first material groove side plate, the second material groove side plate and the material distribution plate;

the trough bottom plate is fixed at the top of the linear vibration feeder, the trough vertical plate is fixed on the trough bottom plate, the first trough side plate is mounted on the trough vertical plate through a first adjusting assembly, the second trough side plate is mounted beside the first trough side plate through a second adjusting assembly, and the second adjusting assembly drives the second trough side plate to move and adjust a gap between the second trough side plate and the first trough side plate; the material distribution plate is arranged between the first material groove side plate and the second material groove side plate and is installed on the first material groove side plate through a third adjusting assembly, a material outlet is formed between the bottom of the material distribution plate and the material groove bottom plate, and the third adjusting assembly drives the material distribution plate to move up and down and adjusts the size of the material outlet; the first adjusting assembly drives the first material groove side plate to move relative to the vertical plate and adjusts the gap between the material distributing plate and the vertical plate; and the upper part and the bottom of the vertical plate of the trough are both provided with an upper slotted hole and a lower slotted hole which are matched with the material pushing device.

In the actual detection process, because detecting system needs the different specifications of adaptation, the chain piece of size, if the mode through changing the buffer memory magazine is comparatively loaded down with trivial details, efficiency is lower, consequently can easily realize the adjustment of buffer memory magazine inner space through above-mentioned design, can easily realize through first adjusting part, second adjusting part, third adjusting part during concrete operation to further promote detection efficiency.

As a preferable scheme of the feeding device for the chain sheet detection system of the present invention, wherein: the first adjusting assembly comprises a first adjusting rod, a first guide rod and a first linear bearing, the middle section of the first adjusting rod is in threaded connection with the trough vertical plate, the end part of the first adjusting rod is movably connected to the first trough side plate, the first guide rod is connected to the first trough side plate through the first linear bearing, and the end part of the first guide rod is fixed on the trough vertical plate;

the second adjusting assembly comprises a second adjusting rod, a second guide rod and a second linear bearing, the middle section of the second adjusting rod is movably connected to the first trough side plate, the end part of the second adjusting rod is in threaded connection with the second trough side plate, the second guide rod is connected to the second trough side plate through the second linear bearing, and the second guide rod is fixed to the first trough side plate;

the third adjusting assembly comprises a third adjusting rod, a third guide rod, a material distributing mounting plate and a baffle plate, the baffle plate is arranged between the first trough side plate and the second trough side plate and fixed on the first trough side plate, the material distributing mounting plate is arranged above the first trough side plate, the material distributing plate is fixed on the material distributing mounting plate, the middle section of the third adjusting rod is movably connected onto the material distributing mounting plate, the end part of the third adjusting rod is connected with the baffle plate through threads, the end part of the third guide rod is fixed on the material distributing mounting plate, and the other end of the third guide rod is inserted into the first trough side plate.

The structure designed specifically further ensures the convenience of adjusting the internal space of the buffer storage box.

As a preferred scheme of the feeding device for the chain sheet detection system, an air passage is arranged in the baffle, an air injection hole communicated with the air passage is formed in the bottom of the baffle, an air inlet hole communicated with the air passage is formed in the upper part of the baffle, and the air inlet hole is connected with an air source.

The structural design can effectively remove dust or other impurities on the surface of the material sheet, and the detection precision of the next link is further improved.

As a preferable scheme of the feeding device for the chain sheet detection system of the present invention, wherein: the pushing device comprises a cylinder bracket, a pushing cylinder, an upper push plate, a lower push plate and a proximity sensor; the device comprises a cylinder support, a pushing cylinder, an upper push plate, a lower push plate, a synchronizing rod, a proximity sensor and a cylinder support, wherein the cylinder support is fixed on a silo vertical plate, the pushing cylinder is installed on the cylinder support, one end of the upper push plate is connected to a piston rod of the cylinder, the other end of the upper push plate is inserted into an upper slotted hole, one end of the lower push plate is connected with one end of the upper push plate through the synchronizing rod, the other end of the lower push plate is inserted into a lower slotted hole, and the proximity sensor is installed in the middle of the silo vertical plate and used for detecting the height of a chain sheet in a cache material box.

The structural design can ensure that the feeding device can conveniently and reliably drive the chain pieces to be stacked in the buffer material box from the buffer material box layer by layer, and meanwhile, the auxiliary linear vibration feeder pushes the chain pieces to enter the chain piece detection system.

As a preferable scheme of the feeding device for the chain sheet detection system of the present invention, wherein: and a push plate positioning plate is arranged on the trough bottom plate and beside the trough vertical plate, a positioning hole is formed in the bottom of the push plate positioning plate and communicated with the lower groove hole, and the lower push plate is inserted into the positioning hole.

The design can make the lower push plate work more stable.

As a preferable scheme of the feeding device for the chain sheet detection system of the present invention, wherein: the upper push plate is connected with a piston rod of the pushing cylinder through an upper fixing block, one end of the lower push plate is connected with a lower fixing block, and the upper fixing block is connected with the lower fixing block through a synchronizing rod.

The structural design further improves the stability and the reliability of the whole pushing device during working.

As a preferable scheme of the feeding device for the chain sheet detection system of the present invention, wherein: the support includes the vibrator mounting panel, and a pair of backup pad is installed to the both sides of vibrator mounting panel, is fixed with the roof in the backup pad, the slide is installed on the roof.

The installation frame of the slideway is separated from the top of the linear vibration feeder, so that on one hand, the vibration effect of the linear vibration feeder is ensured to have a certain promotion effect on the feeding of the slideway, and on the other hand, the excessive interference of the top of the linear vibration feeder on the slideway is conveniently avoided.

Drawings

Fig. 1 is a schematic perspective view of a first embodiment of the present invention.

Fig. 2 is a schematic perspective view of the second embodiment.

Fig. 3 is a schematic perspective view of a first buffer magazine and a pushing device in this embodiment.

Fig. 4 is a schematic perspective view of a buffer magazine and a pushing device in this embodiment.

Fig. 5 is a side view of the buffer magazine and the pushing device in this embodiment.

Fig. 6 is a sectional view of the buffer magazine and the pushing device in this embodiment.

Fig. 7 is a schematic structural view of the chute riser in this embodiment.

Fig. 8 is a schematic diagram of a baffle structure in this embodiment.

The automatic feeding device comprises a support 1, a linear vibration feeder 2, a buffer material box 3, a trough bottom plate 31, a trough vertical plate 32, an upper slotted hole 321, a lower slotted hole 322, a first trough side plate 33, a second trough side plate 34, a material distribution plate 35, a first adjusting assembly 36, a second adjusting assembly 37, a third adjusting assembly 38, a first adjusting rod 361, a first guide rod 362, a first linear bearing 363, a second linear bearing 371, a second adjusting rod 372, a second linear bearing 373, a synchronous plate 374, a third adjusting rod 381, a third guide rod 382, a material distribution mounting plate 383, a 384 baffle, an air inlet hole 3841, an air jet hole 3842, an air flue 3843, a 4 slideway, a 5 pushing device, a 51 cylinder support, an upper pushing plate 52, a lower pushing plate 53, a proximity sensor, a synchronous rod 55, an upper fixing block 56, a lower fixing block 57, a positioning plate 58 pushing positioning plate, a 59 cylinder and a 6 chain sheet.

Detailed Description

Examples

A feeding device for a chain sheet detecting system as shown in fig. 1 to 8, comprising:

the support 1 is used as a supporting base frame and is fixedly connected with the chain sheet 6 detection system, a conveying belt is arranged in the chain sheet 6 detection system, and the front end of the conveying belt is arranged right below the outlet of the cache material box 3;

the linear vibration feeder 2 is arranged on the support 1 and used for providing a power source, so that the chain sheet 6 is fed into the chain sheet 6 detection system from the buffer material box 3, and meanwhile, vibration is also transmitted to the slide way 4, so that the slide way 4 can conveniently discharge materials;

the buffer memory material box 3 is arranged at the top of the linear vibration feeder 2 and used for buffering the chain sheet 6 and adjusting the direction and the angle of the chain sheet 6;

the slideway 4 is fixed on the bracket 1, receives the chain sheet 6 (fed by a vibrating feeder) and sends the chain sheet into the buffer material box 3 in a sliding manner;

and the pushing device 5 is arranged on the cache material box 3 and used for driving the chain pieces 6 to be stacked in the cache material box 3 layer by layer from the cache material box 3, and meanwhile, the linear vibration feeder 2 is assisted to push the chain pieces 6 to enter the chain piece 6 detection system.

The buffer storage material box 3 comprises a trough bottom plate 31, a trough vertical plate 32, a first trough side plate 33, a second trough side plate 34 and a material distribution plate 35, wherein material boxes are formed among the trough bottom plate 31, the trough vertical plate 32, the first trough side plate 33, the second trough side plate 34 and the material distribution plate 35; the trough bottom plate 31 is fixed at the top of the linear vibration feeder 2, the trough vertical plate 32 is fixed on the trough bottom plate 31, the first trough side plate 33 is installed on the trough vertical plate 32 through the first adjusting assembly 36, the second trough side plate 34 is installed beside the first trough side plate 33 through the second adjusting assembly 37, and the second adjusting assembly 37 drives the second trough side plate 34 to move and adjust the gap between the second trough side plate 34 and the first trough side plate 33; the material distributing plate 35 is arranged between the first material groove side plate 33 and the second material groove side plate 34 and is installed on the first material groove side plate 33 through a third adjusting assembly 38, a material outlet is formed by the bottom of the material distributing plate 35 and the material groove bottom plate 31, and the third adjusting assembly 38 drives the material distributing plate 35 to move up and down and adjust the size of the material outlet; the first adjusting component 36 drives the first trough side plate 33 to move relative to the opposite plate, and adjusts the gap between the material distributing plate 35 and the vertical plate; the upper part and the bottom of the trough vertical plate 32 are both provided with an upper slot hole 321 and a lower slot hole 322 which are matched with the pushing device 5, and the upper slot hole 321 is matched with a slope surface.

The first adjusting assembly 36 comprises a first adjusting rod 361, a first guide rod 362 and a first linear bearing 363, the middle section of the first adjusting rod 361 is in threaded connection with the trough vertical plate 32, the end part of the first adjusting rod 361 is movably connected to the first trough side plate 33, the first guide rod 362 is connected to the first trough side plate 33 through the first linear bearing 363, the end part of the first guide rod 362 is fixed on the trough vertical plate 32, and the first guide rod 362 and the first linear bearing 363 are arranged on two sides of the first adjusting rod 361 in pairs;

the second adjusting assembly 37 comprises a second adjusting rod 371, a second guide rod 372 and a second linear bearing 373, the middle section of the second adjusting rod 371 is movably connected to the first trough side plate 33, the end part of the second adjusting rod 371 is in threaded connection with the second trough side plate 34, the second guide rod 372 is connected to the second trough side plate 34 through the second linear bearing 373, the second guide rod 372 is fixed to the first trough side plate 33, the second guide rod 372 and the second linear bearing 373 are arranged in pairs, and the end parts are connected through a synchronizing plate 374;

the third adjustment assembly 38 includes a third adjustment rod 381, a third guide rod 382, the material distributing mounting plate 383 and the baffle 384 are arranged, the third guide rods 382 are arranged on two sides of the third adjusting rod 381 in pairs, the baffle 384 is arranged between the first trough side plate 33 and the second trough side plate 34 and fixed on the first trough side plate 33, the material distributing mounting plate 383 is arranged above the first trough side plate 33, the material distributing plate 35 is fixed on the material distributing mounting plate 383, the middle section of the third adjusting rod 381 is movably connected to the material distributing mounting plate 383, the end part of the third adjusting rod 381 is in threaded connection with the baffle 384, the end part of the third guide rod 382 is fixed on the material distributing mounting plate 383, the other end of the third guide rod 382 is inserted into the first trough side plate 33, an air passage 3843 is arranged in the baffle 384, the bottom of the baffle 384 is provided with an air ejecting hole 3842 communicated with the air passage 3843, the upper part of the baffle 384 is provided with an air inlet hole 3841 communicated with the air passage 3843, and the air inlet hole 3841 is connected with an air source.

The pushing device 5 comprises a cylinder bracket 51, a pushing cylinder 59, an upper push plate 52, a lower push plate 53 and a proximity sensor 54; the cylinder bracket 51 is fixed on the silo vertical plate 32, the pushing cylinder 59 is arranged on the cylinder bracket 51, one end of the upper push plate 52 is connected on the piston rod of the cylinder, the other end of the upper push plate 52 is inserted into the upper slotted hole 321, one end of the lower push plate 53 is connected with one end of the upper push plate 52 through the synchronizing rod 55, the other end of the lower push plate 53 is inserted into the lower slotted hole 322, the proximity sensor 54 is arranged in the middle of the silo vertical plate 32, the buffer memory material box 3 inner chain sheet 6 height detection device is used for detecting the height of a buffer memory material box 3 inner chain sheet 6, a push plate positioning plate 58 is arranged on a trough bottom plate 31 and beside a trough vertical plate 32, a positioning hole is formed in the bottom of the push plate positioning plate 58 and communicated with a lower groove hole 322, a lower push plate 53 is inserted into the positioning hole, an upper push plate 52 is connected with a piston rod of a material pushing cylinder 59 through an upper fixing block 56, one end of the lower push plate 53 is connected with a lower fixing block 57, and the upper fixing block 56 is connected with the lower fixing block 57 through a synchronizing rod 55.

The support 1 comprises a vibrator mounting plate, a pair of supporting plates are mounted on two sides of the vibrator mounting plate, a top plate is fixed on each supporting plate, and a slide 4 is mounted on each top plate.

When the chain sheet feeding device works, a disc vibration feeder at the front end sends chains 6 to be detected into a slideway 4, the chains 6 to be detected slide into a buffer material box 3 under the action of gravity in cooperation with a linear vibration feeder 2 and are stacked together one by one, and the chains 6 at the bottom are reliably and stably sent into a conveying belt under the action of the linear vibration feeder 2 and a material pushing device 5 to enter the next detection link;

in the working process, when the material sheets are stacked to a certain height, the material sheets are easy to block at the top, the pushing cylinder 59 is used for controlling the upper pushing plate 52 to push out from the upper slotted hole 321 to assist the chain sheet 6 to be in the right position, and meanwhile, the lower pushing plate 53 connected with the synchronizing rod 55 and the upper pushing plate 52 synchronously act to push out the chain sheet 6 at the bottom of the cache material box 3 to enter the next detection link.

In the working process, when the chain pieces 6 with different specifications need to be processed, the space size in the cache material box 3 can be adjusted by adjusting the first adjusting component 36, the second adjusting component 37 and the third adjusting component 38, specifically: the first adjusting rod 361 is rotated to drive the first trough side plate 33 to be close to/far away from the trough vertical plate 32 under the threaded connection relationship, so that the distance between the trough vertical plate 32 and the material distributing plate 35 is adjusted; the second adjusting rod 371 is rotated, and the second trough side plate 34 is driven to be close to/far away from the first trough side plate 33 under the threaded connection relationship, so that the distance between the first trough side plate 33 and the second trough side plate 34 is adjusted, and the synchronization plate 374 can play a role in enhancing the stability at the moment because the first trough side plate 33 and the second trough side plate 34 are relatively long; the third adjusting rod 381 is rotated to drive the material distributing plate 35 to ascend and descend under the threaded connection relationship, so that the discharging height is adjusted.