CN214824485U

CN214824485U - Progressive material supplementing device and material supplementing matching mechanism

Info

Publication number: CN214824485U
Application number: CN202022922692.9U
Authority: CN
Inventors: 段雄斌; 幸雄; 何选民
Original assignee: Shenzhen Biaopu Semiconductor Technology Co ltd
Current assignee: Shenzhen Biaopu Semiconductor Co ltd
Priority date: 2020-12-08
Filing date: 2020-12-08
Publication date: 2021-11-23
Anticipated expiration: 2030-12-08

Abstract

The utility model discloses a progressive material supplementing device and a material supplementing matching mechanism, the progressive material supplementing device comprises a base, a first sliding plate which is arranged on the base and can move back and forth in a first horizontal direction, a second sliding plate which is arranged on the first sliding plate and can move back and forth in a second horizontal direction, a bracket which is vertically arranged on the second sliding plate, a third sliding plate which is arranged on the bracket and can move back and forth in the longitudinal direction along the bracket, a support arm which is arranged on the third sliding plate and can move back and forth in the longitudinal direction along with the third sliding plate, and a material supplementing swing arm which is connected on the support arm and can swing up and down; the first horizontal direction is parallel to the second horizontal direction. The utility model discloses a formula feed supplement device that advances one by one for but, through the upper and lower setting and horizontal migration of different slides, realize having the formula structure that advances one by one of two strokes of two horizontal directions in vertical direction, thereby can realize the feed supplement action of two kinds of displacement strokes in vertical direction, satisfy the action requirement of arranging material and feed supplement simultaneously.

Description

Progressive material supplementing device and material supplementing matching mechanism

Technical Field

The utility model relates to a feed supplement device especially relates to a formula feed supplement device and feed supplement cooperation mechanism that advances one by one for inductance braider.

Background

At present, a feeding structure in an induction braiding machine on the market mainly comprises a three-axis manipulator feeding structure for horizontal feeding and a split two-axis manipulator feeding structure for vertical feeding. In the mechanical arm which runs in two stages in the same direction, a synchronous belt or a screw rod structure is driven by a motor to stop and run at two positions in the same direction.

The feeding mechanism comprises a feeding mechanism, a feeding position and a feeding position. Split type diaxon manipulator feed supplement structure adopts 2 diaxon manipulators to install from beginning to end, and the rear end manipulator is responsible for absorbing the back with bad material in the carrier band, moves to arrange in the material pipe and blows off, and the front end manipulator is responsible for moving the feed supplement position after absorbing the non-defective products material from feed mechanism and moves the material and mend the carrier band in.

The existing split type two-shaft manipulator material supplementing structure needs to occupy the front space and the rear space of a machine table, and a rear-section discharge manipulator part cannot be installed under the condition that the rear space of part of machine types is insufficient. Meanwhile, the back-end discharging manipulator is close to the inner side of the machine table, so that the debugging space is insufficient, and the situation that the back-end manipulator is not easy to debug exists. The structure of motor drive hold-in range or lead screw although only can realize the start motion of two positions of same direction with the unipolar, nevertheless has with high costs, and the structure is complicated, and is bulky, the difficult shortcoming of installation and debugging, especially when the feed supplement was moved at the machine front end, influenced the outward appearance of whole equipment and the work of equipment front end operation debugging.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in providing a compact structure, debugging convenient a formula feed supplement device that advances one by one that is used for inductance braider and have this formula feed supplement device that advances one by one's feed supplement cooperation mechanism.

The utility model provides a technical scheme that its technical problem adopted is: providing a progressive feeding device, which is used for an inductance braider and comprises a base, a first sliding plate, a second sliding plate, a support frame, a third sliding plate, a support arm and a feeding swing arm, wherein the first sliding plate is arranged on the base and can move back and forth along the base in a first horizontal direction, the second sliding plate is arranged on the first sliding plate and can move back and forth along the first sliding plate in a second horizontal direction, the support frame is vertically arranged on the second sliding plate, the third sliding plate is arranged on the support frame and can move back and forth along the support frame in the longitudinal direction, the support arm is arranged on the third sliding plate and can move back and forth along the third sliding plate in the longitudinal direction, and the feeding swing arm is connected to the support arm and can swing up and down relative to the support arm;

the first horizontal direction and the second horizontal direction are parallel.

Preferably, the support arm is horizontally arranged on the third sliding plate, and the extending direction of the support arm is parallel to the first horizontal direction.

Preferably, the arm is fixed on the third sliding plate at one end, and the feeding swing arm is swingably connected to the opposite end of the arm through a rotating shaft.

Preferably, the progressive feeding device further comprises a first driving unit and a first guide rail arranged on the base;

the extending direction of the first guide rail is parallel to the first horizontal direction, and the first sliding plate is matched on the first guide rail; the first driving unit is connected with and drives the first sliding plate to move back and forth along the first guide rail in the first horizontal direction.

Preferably, the progressive feeding device further comprises a buffer unit arranged on the base and used for providing a buffer effect for the running of the first driving unit.

Preferably, the progressive feeding device further comprises a movement sensing component;

the mobile induction assembly comprises induction pieces and photoelectric switches which are positioned in the first horizontal direction and are oppositely arranged at intervals; the sensing piece is arranged on the body of the first sliding plate or the first driving unit, and the photoelectric switch is arranged on the base and corresponds to one side of the piston rod of the first driving unit.

Preferably, the progressive feeding device further comprises a second driving unit and a second guide rail arranged on the first sliding plate;

the extending direction of the second guide rail is parallel to the second horizontal direction, and the second sliding plate is matched on the second guide rail; the second driving unit is connected with and drives the second sliding plate to move back and forth along the second guide rail in the second horizontal direction.

Preferably, the progressive feeding device further comprises a third driving unit and a third guide rail arranged on the bracket;

the third guide rail extends vertically on the bracket, and the third sliding plate is matched on the third guide rail; the third driving unit is connected with and drives the third sliding plate to move back and forth along the third guide rail in the longitudinal direction.

Preferably, the progressive feeding device further comprises a fine adjustment assembly for adjusting at least one of the position of the base on the supporting platform and the position of the bracket on the second sliding plate;

the fine adjustment assembly comprises a supporting seat and an adjusting bolt which is rotatably arranged on the supporting seat.

The utility model also provides a feed supplement cooperation mechanism, which is used for the inductance braider and comprises a progressive feed supplement device, a feeding device with a carrier band track and a feeding device;

the feeding device is provided with a material supplementing station and a material discharging station; the material supplementing station is positioned on the carrier tape track, and the material discharging station is positioned on one side of the carrier tape track and is opposite to the material supplementing station;

the feeding device is arranged on one side of the feeding device, and a material taking station is arranged on the feeding device; the material taking station, the material supplementing station and the material discharging station are positioned on the same straight line; the progressive material supplementing device is arranged on one side of the feeding device, a material supplementing swing arm of the progressive material supplementing device can move back and forth among the material taking station, the material supplementing station and the material discharging station along a first horizontal direction and a second horizontal direction, unqualified materials on the material supplementing station are taken out and placed on the material discharging station, and new materials on the feeding device are taken out and supplemented on the material supplementing station.

The utility model discloses a formula feed supplement device that advances one by one for but inductance braider through the upper and lower setting and horizontal migration of different slides, realize the formula structure that advances one by one at two horizontal direction's double-stroke, thereby realize the feed supplement action of two kinds of displacement strokes, satisfy the action requirement of row material and feed supplement simultaneously.

The utility model discloses a formula feed supplement device that advances one by one uses in the feed supplement cooperation mechanism of inductance braider, realizes moving in the advancing one by one of the double-stroke of horizontal direction, satisfies the action requirement of arranging material and feed supplement.

Drawings

The invention will be further explained with reference to the drawings and examples, wherein:

FIG. 1 is a schematic view of a progressive feeding device according to an embodiment of the present invention in a three-dimensional structure in one direction;

FIG. 2 is a schematic view of the progressive feeding device according to an embodiment of the present invention in a three-dimensional structure in another direction;

fig. 3 is a schematic structural diagram of a feed supplement coordination mechanism according to an embodiment of the present invention.

Detailed Description

In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 1 and 2, the progressive feeding device 1 of an embodiment of the present invention is used for an inductance braider to realize feeding operation, and the progressive feeding device 1 may include a base 10, and a first sliding plate 20, a second sliding plate 30, a support 40, a third sliding plate 50, a support arm 60, and a feeding swing arm 70 disposed on the base 10.

The first sliding plate 20 is movably disposed on the base 10 and can move back and forth along the base 10 in a first horizontal direction. The second slide plate 30 is arranged on the first slide plate 20 to be movable back and forth along the first slide plate 20 in a second horizontal direction. The bracket 40 is vertically arranged on the second sliding plate 30; the third slide plate 50 is movably disposed on the bracket 40 to be movable back and forth in a longitudinal direction (vertical direction) along the bracket 40. The arm 60 is disposed on the third slide plate 50 to move back and forth in the longitudinal direction with the third slide plate 50. The feeding swing arm 70 is used for taking and placing materials, is connected to the support arm 60 and can swing up and down relative to the support arm 60.

The first horizontal direction and the second horizontal direction are parallel, so the directions of the two horizontal directions are the same, so that the first sliding plate 20 and the second sliding plate 30 thereon form an integral module and can move back and forth along the base 10 in the horizontal direction in a first-level horizontal manner, and the second sliding plate 30 and the upper support 40, the support arm 60 and other parts thereof further form an integral body and can further move back and forth along the first sliding plate 20 in the horizontal direction in a second-level horizontal manner, thereby realizing progressive movement.

Specifically, the base 10 serves as a supporting bottom of the whole feeding device and is used for being mounted on a supporting platform of the inductance braiding machine through a fastening assembly and the like, and the base is convenient to detach and adjust.

The first slide 20 is movably disposed on the base 10 and can move back and forth along the surface of the base 10 in a first horizontal direction. Correspondingly, the progressive feeding device of the present invention further comprises a first driving unit 81 for connecting and driving the first sliding plate 20 to move back and forth in the first horizontal direction, and a first guide rail 91 for guiding the first sliding plate 20 to move back and forth on the base 10 along the first horizontal direction. The first driving unit 81 and the first guide rail 91 are both disposed on the base 10, and the extending direction of the first guide rail 91 on the base 10 is parallel to the first horizontal direction. The first sliding plate 20 is fitted on the first guide rail 91 and driven by the first driving unit 81 to move back and forth along the first guide rail 91, so that the first sliding plate 20 and the second sliding plate 30, the bracket 40, the third sliding plate 50, the support arm 60 and the feeding swing arm 70 thereon move back and forth in a first horizontal direction relative to the base 10.

Alternatively, the first driving unit 81 may include, but is not limited to, an air cylinder; the opposite ends of the cylinder (the body and the end of the piston rod) may be secured to the base 10 by support blocks 811, respectively. The first guide rail 91 is parallel to and located at one side of the cylinder, and the first slide plate 20 is fitted on the first guide rail 91 and connected to the cylinder. When the cylinder is operated, a driving force is provided to drive the first sliding plate 20 to move back and forth on the first guide rail 91.

In order to reduce the impact force generated by the sudden stop when the first driving unit 81 is in place, and improve the stability and accuracy of feeding, the progressive feeding device 1 further comprises a buffering unit 101 arranged on the base 10, and the buffering unit provides a buffering effect for the in-place operation of the first driving unit 81. In this embodiment, as shown in fig. 1, the buffer unit 101 includes a buffer, which is disposed opposite to the body of the cylinder and can be fixed on the base 10 by a mounting seat.

The second slide 30 is movably disposed on the first slide 20 and is movable back and forth in a second horizontal direction along the surface of the first slide 20. Correspondingly, the progressive feeding device of the present invention further includes a second driving unit 82 connected to and driving the second sliding plate 30 to move back and forth in the second horizontal direction, and a second guide rail 92 guiding the second sliding plate 30 to move back and forth along the second horizontal direction on the first sliding plate 20. The first drive unit 81 and the second guide rail 92 are both provided on the first slide plate 20, and the extending direction of the second guide rail 92 on the first slide plate 20 is parallel to the second horizontal direction. The second sliding plate 30 is engaged on the second guide rail 92 and driven by the second driving unit 82 to move back and forth along the second guide rail 92, so that the second sliding plate 20 and the upper bracket 40, the third sliding plate 50, the support arm 60 and the feed swing arm 70 thereof move back and forth in a second horizontal direction relative to the first sliding plate 20.

Alternatively, the second driving unit 82 may include, but is not limited to, a cylinder. The cylinder is connected to the second slide plate 30 and provides a driving force to move the second slide plate 30 back and forth on the second guide rail 92.

The bracket 40 is mounted on the second sliding plate 30 through a fastening assembly, so that the disassembly and adjustment are convenient. The bracket 40 may be a plate of unitary construction; alternatively, as shown in fig. 1 and 2, in the present embodiment, the bracket 40 includes a support 41 mounted on the second sliding plate 30, and a mounting plate 42 vertically mounted on the support 41. The mounting plate 42 and the support 41 are connected through a fastening assembly, so that the mounting plate is convenient to disassemble, and the relative position can be finely adjusted as required.

The third slide plate 50 is movably disposed on the bracket 40 and can move back and forth in the longitudinal direction along the bracket 40. The third sliding plate 50 is mainly disposed on the mounting plate 42 of the bracket 40 corresponding to the split arrangement of the bracket 40. Correspondingly, the progressive feeding device 1 of the present invention further comprises a third driving unit 83 connected to and driving the third sliding plate 50 to move back and forth in the longitudinal direction, and a third guide rail 93 guiding the third sliding plate 50 to move back and forth. The third driving unit 83 and the third guide rail 93 are provided on the bracket 40, and the third guide rail 93 extends vertically on the bracket 40, parallel to the vertical moving direction of the third slide plate 50. The third sliding plate 50 is engaged on the third guide rail 93 and driven by the third driving unit 83 to move back and forth along the third guide rail 93 in the longitudinal direction, so that the third sliding plate 50 and the supporting arm 60 thereon and the feeding swing arm 70 move back and forth in the longitudinal direction relative to the bracket 40.

Similarly to the first and

second driving units

81 and 82, the third driving unit 83 may include, but is not limited to, an air cylinder. The cylinder is connected to the third slide plate 50 and provides a driving force to drive the third slide plate 50 to move back and forth on the third guide rail 93.

The arm 60 is disposed on the third slide plate 50 and fixed relative thereto. Preferably, in this embodiment, the supporting arm 60 is horizontally disposed on the third sliding plate 50, and the extending direction of the supporting arm 60 is parallel to the first horizontal direction. The arm 60 is fixed to the third slide plate 50 at one end and extends horizontally away from the third slide plate 50 at the opposite end.

The feed swing arm 70 is pivotally connected to the opposite end of the arm 60 from the third slide plate 50. It will be appreciated that a return spring 72, such as a spring, is connected between the feed swing arm 70 and the arm 60 to allow the feed swing arm 70 to return after swinging in one direction (e.g., downward). The elastic restoring element 72 can make the feeding swing arm 70 return to the initial position, so as to prevent the feeding process from being damaged due to collision with other mechanisms when the feeding process is not operated in place due to faults.

In addition, at least one adjusting bolt 73 can be vertically inserted into the supporting arm 60, and the lower end of the adjusting bolt 73 abuts against the feeding swing arm 70 to adjust the initial position and the horizontal state of the feeding swing arm 70.

Further, the progressive feeding device 1 of the present invention may further include a movement sensing assembly for sensing the movement of the first driving unit 81 or the first sliding plate 20 on the base 10, so as to provide signal support for the operation thereof, and ensure the operation thereof.

In this embodiment, as shown in fig. 1, the movement sensing assembly includes a sensing member 102 and a photoelectric switch 103 which are cooperatively disposed. The sensing element 102 and the photoelectric switch 103 are disposed on the base 10, and are located in a first horizontal direction and arranged at intervals relatively. Wherein, the sensing member 102 is disposed on the first sliding plate 20 or the body (e.g. the cylinder body) of the first driving unit 81, and the photoelectric switch 103 is disposed at a side of the piston rod of the first driving unit 81.

Of course, the sensor 102 and the photoelectric switch 103 may be replaced by other sensors such as a motion sensor, as long as the same function can be achieved.

The progressive feeding device 1 of the present invention may further include a fine adjustment assembly for adjusting at least one of the position of the base 10 on the supporting platform and the position of the support 40 on the second sliding plate 30. The fine setting subassembly includes supporting seat, rotatable adjusting bolt who sets up on the supporting seat.

In the present embodiment, as shown in fig. 1, the fine adjustment assembly includes a first fine adjustment assembly for fine adjustment of the position of the base 10 on the support platform. The first fine adjustment assembly comprises a first supporting seat 104 fixed on the supporting platform, and a first adjusting bolt 105 rotatably arranged on the first supporting seat 104; the end of the first adjusting bolt 105 abuts against the side of the base 10 for adjusting the left and right or front and rear positions of the base 10.

The fine adjustment assembly further includes a second fine adjustment assembly and a third fine adjustment assembly that adjust the position of the carriage 40. Specifically, the second support seat 106 of the second fine adjustment assembly is fixed on the second sliding plate 30, the second adjusting bolt 107 is horizontally and rotatably disposed on the second support seat 106, the end portion of the second adjusting bolt abuts against the support 41 of the bracket 40, and the axial movement is realized by rotating relative to the second support seat 106 to adjust the horizontal left-right or front-back position of the support 41. The third fine adjustment assembly is disposed below the mounting plate 42 of the bracket 40, the third support seat 108 is fixed on the support 41, the third adjustment bolt 109 is vertically and rotatably disposed on the third support seat 108, the end portion of the third adjustment bolt abuts against the mounting plate 42 of the bracket 40, and the vertical position of the mounting plate 42 on the support 41 is adjusted by rotating relative to the third support seat 108 to realize axial movement.

It will be appreciated that the above-described fine adjustment assembly is not limited to a combination of a support seat and an adjustment bolt.

Further, the utility model discloses a formula feed supplement device 1 that advances one by one still gets subassembly 100 including the feed supplement of setting on feed supplement swing arm 70 for get the material from feed arrangement, remove and swing at feed supplement swing arm 70 and transfer the material to the feed supplement position. The feed material pick-and-place assembly 100 can be configured on the feed material swing arm 70, or can be manufactured separately and installed for use as needed on site.

The feeding material taking and placing assembly 100 can be a feeding material suction nozzle for taking the material in a suction mode. The feed supplement suction nozzle passes through connecting pieces such as screws detachable and installs on feed supplement swing arm 70, and it can be selected according to different materials and demand, and convenient customization and change reduce the debugging time.

The feeding material taking and placing assembly 100 can also be in a structural form such as an openable included angle and the like, and can be selected according to materials.

As shown in fig. 3, the progressive feeding device 1 of the present invention is used in an inductance braiding machine, and forms a feeding matching mechanism by matching with the feeding device 2 and the feeding device 3.

The feeding device 2 is provided with a carrying track 4, and a carrying belt on the carrying track 4 is used for receiving and conveying materials. The feeding device 2 is provided with a material supplementing station 5 and a material discharging station 6; the feeding station 5 is positioned on the carrier track, and the discharging station 6 is positioned on one side of the carrier track 4 and opposite to the feeding station 5.

The progressive material supplementing device 1 and the feeding device 3 are both arranged on one side of the feeding device 2, and the feeding device 3 is positioned between the feeding device 2 and the progressive material supplementing device 1. The feeding device 3 is provided with a material taking station 7; the material taking station 7, the material supplementing station 5 and the material discharging station 6 are positioned on the same straight line.

Preferably, the feeding device 3 employs a boomerang.

The feeding device 2 is provided with a detection assembly for detecting the materials on the material supplementing station 5, and when the materials are detected to be unqualified, the progressive material supplementing device 1 operates to take out the unqualified materials and supplement new materials.

Specifically, referring to fig. 1-3, when the progressive feeding device 1 operates, each driving unit drives the corresponding sliding plate to move, so as to drive the feeding swing arm 70 to move to the feeding station 5 along the first horizontal direction, take out the unqualified material on the feeding station 5, move to the discharging station 6 along the second horizontal direction, and place the material on the discharging station 6. And then the feeding swing arm 70 reversely moves to the feeding station 7 along the second horizontal direction and the first horizontal direction, takes a new material, moves along the first horizontal direction to feed the new material to the feeding station 5 for feeding, and the whole feeding device 1 simultaneously realizes feeding and discharging actions of the manipulator.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A progressive feeding device for an inductance braider, which is characterized in that, the progressive material supplementing device (1) comprises a base (10), a first sliding plate (20) which is arranged on the base (10) and can move back and forth along the base (10) in a first horizontal direction, a second sliding plate (30) which is arranged on the first sliding plate (20) and can move back and forth along the first sliding plate (20) in a second horizontal direction, a support (40) which is vertically arranged on the second sliding plate (30), a third sliding plate (50) which is arranged on the support (40) and can move back and forth along the support (40) in a longitudinal direction, a support arm (60) which is arranged on the third sliding plate (50) and can move back and forth along with the third sliding plate (50) in the longitudinal direction, and a material supplementing swing arm (70) which is connected to the support arm (60) and can swing up and down relative to the support arm (60);

2. The progressive feeding device of claim 1, wherein the arm (60) is horizontally disposed on the third sliding plate (50), and the extension direction of the arm (60) is parallel to the first horizontal direction.

3. The progressive feeding device of claim 2, wherein the arm (60) is fixed at one end to the third sliding plate (50), and the feeding swing arm (70) is swingably connected to the opposite end of the arm (60) via a rotating shaft (71).

4. The progressive feeding device according to claim 1, wherein the progressive feeding device (1) further comprises a first driving unit (81) and a first guide rail (91) provided on the base (10);

the extension direction of the first guide rail (91) is parallel to the first horizontal direction, and the first sliding plate (20) is matched on the first guide rail (91); the first driving unit (81) is connected to and drives the first sliding plate (20) to move back and forth along the first guide rail (91) in the first horizontal direction.

5. The progressive feeding device according to claim 4, wherein the progressive feeding device (1) further comprises a buffer unit (101) provided on the base (10) for providing a buffer function for the first driving unit (81) to run in place.

6. The progressive feeding device according to claim 4, wherein the progressive feeding device (1) further comprises a movement sensing assembly;

the movement sensing assembly comprises sensing pieces (102) and photoelectric switches (103) which are positioned in the first horizontal direction and are oppositely arranged at intervals; the sensing piece (102) is arranged on the body of the first sliding plate (20) or the first driving unit (81), and the photoelectric switch (103) corresponds to one side of a piston rod of the first driving unit (81) and is arranged on the base (10).

7. The progressive feeding device of claim 1, further comprising a second drive unit (82) and a second guide rail (92) disposed on the first sled (20);

the second guide rail (92) extends in a direction parallel to the second horizontal direction, and the second slider (30) is fitted on the second guide rail (92); the second driving unit (82) is connected to and drives the second slide plate (30) to move back and forth along the second guide rail (92) in the second horizontal direction.

8. The progressive feeding device according to claim 1, wherein the progressive feeding device (1) further comprises a third driving unit (83) and a third rail (93) provided on the carriage (40);

the third guide rail (93) extends vertically on the bracket (40), and the third slide plate (50) is fitted on the third guide rail (93); the third driving unit (83) is connected with and drives the third sliding plate (50) to move back and forth along the third guide rail (93) in the longitudinal direction.

9. The progressive feeding device according to any one of claims 1 to 8, wherein the progressive feeding device (1) further comprises a fine adjustment assembly for adjusting at least one of the position of the base (10) on the support platform and the position of the carriage (40) on the second sliding plate (30);

10. A feeding and matching mechanism for an induction braider, which is characterized in that the feeding and matching mechanism comprises a progressive feeding device (1) as claimed in any one of claims 1 to 9, a feeding device (2) with a carrying track (4), and a feeding device (3);

a material supplementing station (5) and a material discharging station (6) are arranged on the feeding device (2); the material supplementing station (5) is positioned on the carrier tape track (4), and the discharging station (6) is positioned on one side of the carrier tape track (4) and is opposite to the material supplementing station (5);

the feeding device (3) is arranged on one side of the feeding device (2), and a material taking station (7) is arranged on the feeding device (3); the material taking station (7), the material supplementing station (5) and the material discharging station (6) are positioned on the same straight line; the progressive material supplementing device (1) is arranged on one side of the feeding device (3), a material supplementing swing arm (70) of the progressive material supplementing device (1) can move back and forth among the material taking station (7), the material supplementing station (5) and the material discharging station (6) along a first horizontal direction and a second horizontal direction, unqualified materials on the material supplementing station (5) are taken out and placed on the material discharging station (6), and new materials on the feeding device (3) are taken out and supplemented on the material supplementing station (5).