CN106379726B

CN106379726B - Product classification device

Info

Publication number: CN106379726B
Application number: CN201611016053.8A
Authority: CN
Inventors: 蔡群龙; 张文良; 周继刚; 谢东; 崔永彬; 孙佩; 陈建军
Original assignee: Shandong Aiersheng Intelligent Technology Co ltd
Current assignee: Shandong Aiersheng Intelligent Technology Co ltd
Priority date: 2016-11-18
Filing date: 2016-11-18
Publication date: 2022-10-25
Anticipated expiration: 2036-11-18
Also published as: CN106379726A

Abstract

Product classification device belongs to product conveying equipment field. The automatic sorting machine comprises a vision system, an upper conveying mechanism and a lower conveying mechanism, wherein a product separating mechanism for pushing a product to be sorted to be separated from the upper conveying mechanism downwards is arranged on the upper side of the upper conveying mechanism, the lower conveying mechanism is located below the upper conveying mechanism, a buffering mechanism is arranged between the upper conveying mechanism and the lower conveying mechanism, the upper conveying mechanism comprises two oppositely-arranged upper conveying belts (7), the product to be sorted is clamped between the two upper conveying belts (7), and the vision system and the product separating mechanism are connected to a control system. The invention utilizes the visual system to automatically identify the products to be classified, improves the working efficiency, effectively prevents the products from being damaged in the falling process by the buffer mechanism, and improves the yield.

Description

Product classification device

Technical Field

Product classification device belongs to product conveying equipment field.

Background

In the process of classifying fragile products, the products need to fall from an upper conveying line to a lower conveying line, the products are easy to break or crack in the falling process, the work is very unreliable, and the yield is reduced. For example, need classify the product among the ceramic tile production process, need use a ceramic tile sorting equipment at automatic classification in-process, the transfer chain transmission on the ceramic tile was above when this equipment began, when needs put below transfer chain with certain brick, make the ceramic tile fall below the transfer chain through hitting this ceramic tile upper surface or other modes, the ceramic tile receives the impact at the in-process of whereabouts, produce crackle very easily and even breakage, do not have the buffering problem that a structure can solve the ceramic tile whereabouts in-process at present.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: the defects of the prior art are overcome, the product classification device is provided, and the yield and the working efficiency are improved.

The technical scheme adopted by the invention for solving the technical problem is as follows: this product classification device, its characterized in that: including visual system, upper portion conveying mechanism and lower part conveying mechanism, upper portion conveying mechanism's upside is equipped with the product separating mechanism who promotes waiting to classify the product and break away from upper portion conveying mechanism downwards, lower part conveying mechanism is located upper portion conveying mechanism's below, be equipped with buffer gear between upper portion conveying mechanism and lower part conveying mechanism, upper portion conveying mechanism is including two relative upper portion conveyor belts that set up relatively, wait to classify the product and be held between two upper portion conveyor belts, visual system and product separating mechanism all are connected to control system.

Two upper portion conveyor belt centre gripping treat categorised product lateral transport, when vision system finds that one of them article need transfer to lower part conveyor mechanism from upper portion conveyor mechanism, product separating mechanism promotes and treats categorised product and break away from upper portion conveyor mechanism downwards, and buffer gear then effectively prevents that the product from causing the damage at the in-process of whereabouts, has improved yield and work efficiency.

Preferably, the buffer mechanism comprises a buffer wheel rotatably arranged on the lower side of the upper conveying belt, and a plurality of buffer cavities axially penetrating through the buffer wheel body are formed in the inner side of the buffer wheel.

Preferably, a stacking mechanism arranged in a lifting mode is further arranged on the lower side of the buffer wheel, the stacking mechanism is lifted to receive products to be classified between the buffer wheels on the two sides, and the products to be classified are placed on the lower conveying mechanism after the stacking mechanism falls down.

Preferably, an auxiliary supporting mechanism for temporarily supporting the products to be classified is further arranged on the lower side of the buffer wheel.

Preferably, supplementary bearing mechanism includes swing supporting seat and interim bearing unit, and the swing supporting seat is connected with its wobbling swing mechanism of drive, and interim bearing unit goes up and down to set up on the swing supporting seat through elevating system.

Preferably, the lifting mechanism comprises a lifting cylinder, a rack, a gear shaft and a lifting shaft, the lifting cylinder is fixed on the swing support seat, the lifting cylinder is connected with the rack, the gear shaft is meshed with the rack, the lifting shaft is provided with teeth meshed with the gear shaft, and the temporary bearing unit is fixed at the upper end of the lifting shaft.

Preferably, product separating mechanism includes separation cylinder, lift seat and hits the gyro wheel, and separation cylinder fixes on the fixed plate and connects the lift seat, hits the gyro wheel rotation setting on the lift seat.

Preferably, the inner side of the upper conveying belt is provided with a horizontally arranged belt supporting wheel, and the belt supporting wheel is connected with an elastic resetting mechanism for pushing the belt supporting wheel and the upper conveying belt to horizontally move towards one side of the product to be classified.

Preferably, the sorting machine is also provided with a detection switch for detecting products to be sorted, the belt pulley of the upper conveying belt is connected with an encoder, and the detection switch is connected with the encoder through a control system.

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

1. two upper portion conveyor belt centre gripping treat categorised product lateral transport, when vision system finds that one of them article need transfer to lower part conveyor mechanism from upper portion conveyor mechanism, product separating mechanism promotes and treats categorised product and break away from upper portion conveyor mechanism downwards, and buffer gear then effectively prevents that the product from causing the damage at the in-process of whereabouts, has improved yield and work efficiency.

2. The buffering wheel accepts the products to be classified of whereabouts, and the slow whereabouts of the products to be classified of centre gripping is treated to the buffering wheel when rotatory, falls on lower part conveying mechanism gradually, just so can avoid treating that the products to be classified directly drop on lower part conveying mechanism, and the mode of utilizing the buffering of buffering wheel avoids treating that the products to be classified receive the impact at the in-process of whereabouts, has improved the yield to do not influence the transport of the last article of upper portion conveying mechanism, guaranteed upper portion conveying mechanism's normal work, improve work efficiency.

Drawings

Fig. 1 is a schematic perspective view of the product sorting apparatus.

Fig. 2 is a partially enlarged view of a portion a in fig. 1.

Fig. 3 is a partially enlarged view of B in fig. 1.

Fig. 4 is a front view of the product sorting apparatus.

Fig. 5 is a partially enlarged view of C in fig. 4.

Fig. 6 is a schematic perspective view of the stacking mechanism.

Figure 7 is a perspective view of the auxiliary support mechanism.

Fig. 8 is a schematic structural diagram of the elastic return mechanism.

Fig. 9 is a schematic structural view of the buffer wheel.

Wherein: 1. the device comprises a frame 2, an adjusting screw rod 3, a swing cylinder 4, a detection switch 5, a buffer wheel 501, a buffer cavity 6, an encoder 7, an upper conveying belt 8, a lower conveying belt 9, an adjusting hand wheel 10, a fixing plate 11, a separation cylinder 12, a lifting seat 13, a rolling bearing 14, a belt supporting frame 15, a positioning block 16, a striking roller 17, a temporary supporting unit 18, a laminated motor 19, a laminated bracket 20, a gear rack mechanism 21, a grooved wheel 22, a swing shaft 23, a connecting rod 24, a swing supporting seat 25, a lifting cylinder 26, a rack 27, a gear shaft 28, a lifting shaft 29, a connecting plate 30 and a return spring.

Detailed Description

FIG. 1~9 is a preferred embodiment of the product sorting apparatus, and the present invention is further described with reference to FIG. 1~9.

Referring to fig. 1, the product classification device comprises a product separation mechanism, an upper conveying mechanism, a buffer mechanism and a lower conveying mechanism which are sequentially arranged from top to bottom, and further comprises a vision system, wherein the vision system and the product separation mechanism are both connected to a control system, the vision system automatically identifies products to be classified, the product separation mechanism downwards strikes the products to be classified to enable the products to be separated from the upper conveying mechanism, the upper conveying mechanism is provided with a conveying channel for transversely conveying the products to be classified, the buffer mechanism comprises buffer wheels 5 which are rotatably arranged on two sides of the lower portion of the conveying channel, the rotation axis of each buffer wheel 5 is parallel to the conveying direction of the products to be classified in the upper conveying mechanism, each buffer wheel 5 is made of elastic materials, the distance between the buffer wheels 5 on two sides is smaller than the width of the conveying channel, the distance between the axes of the buffer wheels 5 on two sides is larger than the width of the conveying channel, the products to be classified on the upper conveying mechanism fall between the buffer wheels 5 on the two sides, and the products to be classified are placed on the lower conveying mechanism while the buffer wheels 5 rotate. The product to be classified is transversely transmitted on the upper conveying mechanism, when one of the articles needs to be transferred from the upper conveying mechanism to the lower conveying mechanism, the articles fall down by means of striking or other modes, the products to be classified falling are received by the buffer wheels 5 on two sides at the moment, the products to be classified are clamped slowly while the buffer wheels 5 rotate and gradually fall onto the lower conveying mechanism, so that the products to be classified can be prevented from directly falling onto the lower conveying mechanism, the products to be classified are prevented from being impacted in the falling process by means of buffering of the buffer wheels 5, the yield is improved, the conveying of the articles on the upper conveying mechanism is not influenced, the normal work of the upper conveying mechanism is guaranteed, and the working efficiency is improved. Control system can be PLC in this application, and visual system can set up the station just by the processing completion waiting to classify the product, also can set up the entrance at upper portion conveying mechanism, and visual system transmits the product data that detects for control system, and control system transmits the product that needs classification downwards from upper portion conveying mechanism for lower part conveying mechanism according to setting for.

The present invention is further described with reference to the following detailed description, however, it should be understood by those skilled in the art that the detailed description given herein with respect to the accompanying drawings is for better explanation and that the present invention is not necessarily limited to the specific embodiments, but rather, for equivalent alternatives or common approaches, may be omitted from the detailed description, while still remaining within the scope of the present application.

In this embodiment, the adjusting screw rod 2 is arranged on the frame 1, two ends of the adjusting screw rod 2 are respectively connected with the upper conveying mechanisms on two sides, the screw thread directions of two ends of the adjusting screw rod 2 are opposite, one end of the adjusting screw rod 2 is connected with the adjusting hand wheel 9, and the adjusting hand wheel 9 is used for adjusting the distance between the upper conveying mechanisms on two sides, so that the adjusting screw rod is suitable for products with different sizes. Further, the buffer wheel 5 is moved laterally in synchronization with the upper conveying mechanism to be adjusted in size in synchronization.

Referring to fig. 1 and 2, the upper conveying mechanism clamps two sides of a product to be classified for transmission, the product separating mechanism downwards strikes the product to be classified to enable the product to be classified to fall onto the buffer wheel 5 from the upper conveying mechanism, the product to be classified falls in a striking mode, normal operation of the upper conveying mechanism is further guaranteed, and stopping is not needed during classification. Specifically, product separating mechanism is including separation cylinder 11, lift seat 12 and hit and beat gyro wheel 16, separation cylinder 11 is fixed on fixed plate 10 and is connected lift seat 12, fixed plate 10 is fixed in frame 1, it rotates to set up on lift seat 12 to hit gyro wheel 16, separation cylinder 11 drives lift seat 12 and goes up and down, lift seat 12 drives and hits the gyro wheel 16 and hit the categorised product of treating and hit, utilize in this embodiment to hit and hit the gyro wheel 16 and hit the product of treating categorised, hit and hit gyro wheel 16 and can also produce relative rolling at the in-process of hitting and hitting of beating the product of treating categorised, can hit and beat and do not harm the product of treating categorised at the in-process of treating the horizontal transmission of categorised product. In this embodiment, the tile is taken as an example, and the four separating mechanisms are respectively used for striking four corners of the square tile. Further, two separating mechanism of rear side still include a locating piece 15 respectively, locating piece 15 is located the rear side of lift seat 12, this embodiment adopts two preceding separating mechanism to move earlier, two separating mechanism lags behind hit the ceramic tile, because when separating mechanism hit the ceramic tile, the time interval that can not guarantee the separating mechanism action around completely must be the time of settlement, if the time interval surpasss the time of settlement, the problem of side perk can probably take place behind the ceramic tile, locating piece 15 fixes a position the ceramic tile this moment, even guarantee that the ceramic tile perk, still fall in the position of settlement behind the fall, be favorable to piling up the ceramic tile like this, pack.

Referring to fig. 2, in the present embodiment, the upper conveying mechanism includes two upper conveying belts 7 disposed oppositely, and the products to be sorted are held between the two upper conveying belts 7, so that the products to be sorted can be very conveniently hit onto the buffer wheel 5 by the separating mechanism. Still be provided with the detection switch 4 that detects the product of waiting to classify, the belt pulley of upper portion conveyor belt 7 is connected with encoder 6, and detection switch 4 is connected with encoder 6 through control system, and detection switch 4 detects and waits to classify the product and enter into upper portion conveyor belt 7 after, and encoder 6 begins to work, just can know the length and size of the product of waiting to classify. In order to prevent the upper conveying belt 7 from generating height position deviation when conveying products to be classified, a belt supporting mechanism is arranged on the lower side of the upper conveying belt 7, and horizontal conveying of the products to be classified is guaranteed. Specifically, the belt supporting mechanism comprises a rolling bearing 13 and a belt supporting frame 14, the rolling bearing 13 is arranged on the upper side of the belt supporting frame 14, and the upper conveying belt 7 is supported on the rolling bearing 13. The belt supporting mechanisms are arranged on two sides of the separating mechanism, namely on two sides of the separating station, so that the falling of the products to be classified is prevented from being blocked. The lower conveying mechanism comprises two lower conveying belts 8, a belt supporting mechanism is arranged on the lower side of each lower conveying belt 8, and the belt is supported by the belt supporting mechanism to keep the belt to move horizontally.

Referring to fig. 4 and 6, this embodiment still is equipped with the stacking mechanism that goes up and down to set up at buffering wheel 5 downside, stacking mechanism accepts the product of treating classification between the both sides buffering wheel 5 after rising, stacking mechanism will treat after falling that the product of classifying is placed on lower part conveying mechanism, through stacking mechanism after rising, accept a ceramic tile, then stacking mechanism descends the distance of a ceramic tile thickness, the second ceramic tile falls on stacking mechanism again, can be with two or more than two ceramic tiles stacking together, be convenient for follow-up pack the ceramic tile. Specifically, the stacking mechanism comprises a stacking bracket 19, a stacking motor 18 and a transmission mechanism, wherein the stacking bracket 19 is arranged between the two lower conveying belts 8, the stacking motor 18 drives the stacking bracket 19 to lift through the transmission mechanism to receive the tiles falling on the buffer wheel 5, and then the stacking bracket 19 is placed on the lower conveying belts 8 after falling. The transmission mechanism adopts a gear rack mechanism 20.

Referring to fig. 3 to 5 and fig. 7, as a further improvement, in this embodiment, an auxiliary supporting mechanism for temporarily supporting the products to be sorted is further disposed at the lower side of the buffer wheel 5, the products to be sorted on the upper conveying mechanism are continuously conveyed, however, in the sorting process, the buffer wheel 5 needs to slowly place the products to be sorted on the stacking mechanism, the stacking mechanism stacks the products to be sorted, when the stacking mechanism places the stacked products to be sorted downward onto the lower conveying belt 8, if there is a new product to be sorted, the stacking mechanism is not lifted up yet, a machine halt will be caused, the whole machine can continue to operate until the stacking mechanism is lifted up, and in this embodiment, the auxiliary supporting mechanism can temporarily support the products to be sorted falling from the buffer wheel 5 in the lifting process of the stacking mechanism, thereby ensuring the continuous operation of the whole machine, improving the operating efficiency, and increasing the yield.

Specifically, supplementary bearing mechanism includes swing supporting seat 24 and interim bearing unit 17, and swing supporting seat 24 is connected with its wobbling swing mechanism of drive, and interim bearing unit 17 goes up and down to set up on swing supporting seat 24 through elevating system. After the swing mechanism swings in place, the temporary bearing unit 17 is lifted by the lifting mechanism to bear products to be classified, space can be saved, the lifting mechanism can descend by the height of one product after the temporary bearing unit 17 bears one product, two products can be borne at least, more time can be won for the stacking mechanism, and normal and continuous operation of equipment is guaranteed. The swing mechanism in this embodiment includes a swing cylinder 3 and a swing fixing plate 10, at least two swing supporting seats 24 are fixed on a swing shaft 22, and the swing cylinder 3 is connected through a connecting rod 23 and drives the swing shaft 22 to rotate, so as to drive the swing supporting seats 24 to swing. The lifting mechanism comprises a lifting cylinder 25, a rack 26, a gear shaft 27 and a lifting shaft 28, the lifting cylinder 25 is fixed on the swing support seat 24, the lifting cylinder 25 is connected with the rack 26, the gear shaft 27 is meshed with the rack 26, the lifting shaft 28 is provided with teeth meshed with the gear shaft 27, and the temporary bearing unit 17 is fixed at the upper end of the lifting shaft 28.

Referring to fig. 5 and 8, a horizontally arranged belt supporting wheel is arranged on the inner side of the upper conveying belt 7, the belt supporting wheel is connected with an elastic resetting mechanism which pushes the belt supporting wheel and the upper conveying belt 7 to move horizontally to one side of a product to be classified, when the product to be classified is conveyed by the upper conveying mechanism, the product to be classified must be clamped, and in the embodiment, the product to be classified is constantly clamped by pushing the upper conveying belt 7 through the elastic resetting mechanism. Specifically, elasticity canceling release mechanical system includes reset spring 30 and connecting plate 29, the belt supporting wheel is sheave 21, connecting plate 29 rotates and sets up in frame 1, reset spring 30 one end and frame 1 fixed connection, connecting plate 29 is connected to the other end, sheave 21 rotates and sets up on connecting plate 29, reset spring 30 drives connecting plate 29 and rotates, thereby promote sheave 21 to remove, after waiting to classify the product and getting into upper portion conveyor belt 7, can make the upper portion conveyor belt 7 of both sides expand to the outside, the belt gets into the groove of sheave 21 this moment, hold in the palm the belt mechanism at this moment and no longer support upper portion conveyor belt 7, but sheave 21 can fix upper portion conveyor belt 7's upper and lower position, and make upper portion conveyor belt 7 press from both sides tightly the product of waiting to classify all the time.

Referring to fig. 9, a plurality of buffer wheels 5 are installed at both sides of the frame 1, a hexagonal rotary shaft installation hole is formed in the middle of the buffer wheel 5, the plurality of buffer wheels 5 are connected in series to one rotary shaft, and the rotary shaft drives the plurality of buffer wheels 5 to rotate synchronously. The inside buffer gear 5 of seting up a plurality of axial buffer chamber 501 that run through the buffer gear body, a plurality of buffer chamber 501 are around 5 axis heliciform alignments of buffer gear, and the spiral direction of buffer chamber 501 is opposite with the direction of rotation of buffer gear 5. The contour line of cushion chamber 501 comprises first contour line, second contour line, third contour line and the fourth contour line that connects gradually, the contour line is the section line of perpendicular to buffering wheel body axis, and wherein first contour line is located the outside, and third contour line is located the innermost, and first contour line is the arc concentric with buffering wheel body.

The working process is as follows: taking a ceramic tile as an example, when the ceramic tile enters the upper conveying belt 7, the upper conveying belt 7 clamps the ceramic tile for transverse conveying, the detection switch 4 detects that a product to be classified enters the upper conveying belt 7, the encoder 6 starts to work, the length size and the position of the ceramic tile are calculated, the system judges whether to classify the ceramic tile according to the detection result of the vision system, if the classification is needed, the separation cylinder 11 drives the hitting roller 16 to fall and hit four corners of the ceramic tile, the ceramic tile falls on the rotating buffer wheel 5 from the upper conveying belt 7, the buffer wheel 5 rotates and holds the ceramic tile to slowly fall, the ceramic tile is placed on the stacking bracket 19, then the stacking bracket 19 falls by a distance of the thickness of the ceramic tile, waiting for the second ceramic tile to fall, when two or three ceramic tiles are stacked on the stacking bracket 19, the stacking motor 18 drives the stacking bracket 19 to fall, when the height of the stacking bracket 19 is lower than that of the lower conveying belt 8, the lower conveying belt 8 continues to convey the stacked ceramic tile to the next station, in the process, if the air cylinder continues to enter the upper conveying belt 7, the swinging cylinder 3 drives the temporary support shaft 23 to swing the temporary support unit 17 to lift and lift the temporary support carrier 17 to lift the temporary support.

The foregoing is directed to preferred embodiments of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow. However, any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention are within the protection scope of the technical solution of the present invention.

Claims

1. A product sorting device, characterized by: the device comprises a vision system, an upper conveying mechanism and a lower conveying mechanism, wherein a product separating mechanism for pushing a product to be classified to be separated from the upper conveying mechanism downwards is arranged on the upper side of the upper conveying mechanism, the lower conveying mechanism is positioned below the upper conveying mechanism, a buffering mechanism is arranged between the upper conveying mechanism and the lower conveying mechanism, the upper conveying mechanism comprises two oppositely arranged upper conveying belts (7), the product to be classified is clamped between the two upper conveying belts (7), the vision system and the product separating mechanism are both connected to a control system, the buffering mechanism comprises a buffering wheel (5) rotatably arranged on the lower side of the upper conveying belt (7), the buffering wheel (5) is made of elastic materials, a plurality of buffering cavities (501) axially penetrating through a buffering wheel body are formed in the inner side of the buffering wheel (5), an auxiliary supporting mechanism for temporarily supporting the product to be classified is further arranged on the lower side of the buffering wheel (5), the auxiliary supporting mechanism comprises a swinging supporting seat (24) and a temporary supporting unit (17), the swinging supporting seat (24) is connected with a swinging mechanism for driving the swinging of the swinging supporting seat (24), the temporary supporting unit (17) is arranged on the swinging support (24) through a lifting mechanism, the lifting mechanism comprises a lifting rack (25) and a lifting cylinder (26), and a lifting cylinder (26) connected with a lifting cylinder (26), gear shaft (27) and rack (26) meshing are equipped with the tooth with gear shaft (27) meshing on lift axle (28), and interim bearing unit (17) are fixed in lift axle (28) upper end, product separating mechanism includes separation cylinder (11), lift seat (12) and hits and beat gyro wheel (16), and separation cylinder (11) are fixed on fixed plate (10) and are connected lift seat (12), hit and beat gyro wheel (16) and rotate the setting on lift seat (12).

2. The product sorting device of claim 1, wherein: the lower side of the buffer wheel (5) is also provided with a stacking mechanism which is arranged in a lifting way, the stacking mechanism is lifted to receive products to be classified between the buffer wheels (5) at two sides, and the products to be classified are placed on the lower conveying mechanism after the stacking mechanism is lowered.

3. The product sorting device of claim 1, wherein: the inner side of the upper conveying belt (7) is provided with a belt supporting wheel which is horizontally arranged, and the belt supporting wheel is connected with an elastic reset mechanism which pushes the belt supporting wheel and the upper conveying belt (7) to horizontally move towards one side of a product to be classified.