High-speed crawler type nut material color sorter with anti-drop air curtain structure

Abstract

The present invention relates to the field of sorting equipment, and in particular to a high-speed crawler type nut material color sorter with an anti-drop air curtain structure, wherein a conveying mechanism is arranged on a frame, a hopper is fixedly installed on the frame at the head end of the conveying mechanism, a discharging pipe is fixedly installed at the bottom of the hopper, the end of the discharging pipe away from the hopper is inclined and lowered, and the lower end of the discharging pipe extends to the upper part of the head end of the conveying mechanism; a discharging roller extending along the width direction of the discharging pipe is rotatably installed in the discharging pipe, the discharging roller blocks the discharging pipe, and a plurality of conveying trough groups evenly spaced along the length direction of the discharging roller are arranged on the outer peripheral surface thereof, each conveying trough group includes a plurality of conveying troughs evenly spaced around the circumference of the discharging roller; as the discharging roller rotates slowly, the nuts are intermittently discharged onto the conveying belt, so that the nuts are evenly dispersed along the length direction of the conveying belt.

Description

Technical Field

[0001] The invention relates to the field of sorting equipment, and in particular to a high-speed crawler-type nut material color sorter with an anti-drop air curtain structure. Background Art

[0002] The detection of bad nuts is one of the indispensable processes in nut processing.

[0003] In the prior art, the utility model patent with application number CN202322626255.6 discloses a device for detecting bad nuts, including a frame, a stirring assembly installed on the top of the frame, the stirring assembly is used to stir the nut raw materials, the stirring assembly includes a top plate, six motors are installed at the bottom of the top plate, a Y-shaped frame is installed at the bottom of the output end of the motor, and three stirring rods are installed at the bottom of the Y-shaped frame; a conveying device is installed on the inner side of the frame, a detector is installed on the top of one end of the conveying device, a top shell is provided on the top of the other end of the conveying device, and a bottom shell is installed at the bottom of the top shell. Pour the nut raw materials into the inner side of the top shell, so that the nut raw materials fall to the top of the conveying device through the opening at the bottom of the bottom shell under the action of their own gravity, so that the conveying device can move the nut raw materials to the inner side of the detector to detect the nut raw materials using near-infrared spectroscopy technology.

[0004] The above detection device stirs the nut raw materials moving on the conveying device through three stirring rods, and can stir the nut raw materials stacked together. However, it is inconvenient for the upper detection device to control the rate at which the nuts are discharged through the bottom shell, so it is not convenient to efficiently disperse the nuts on the conveying device, and it is easy to cause a large number of nuts to be discharged onto the conveying device at the same time, causing congestion. The spacing between the nut particles is small, which makes it inconvenient for the detection device to accurately detect each nut. Summary of the invention

[0005] The object of the present invention is to provide a high-speed crawler-type nut material color sorter with an anti-drop air curtain structure, which can disperse and discharge the nuts onto a conveyor belt to solve the defects mentioned in the above-mentioned background technology.

[0006] To achieve the above object, the present invention provides the following technical solutions:

[0007] A high-speed crawler-type nut material color sorter with an anti-drop air curtain structure comprises a frame, a conveying mechanism is arranged on the frame, a detection mechanism is also arranged on the frame, and the tail end of the conveying mechanism passes through the detection mechanism; a hopper is fixedly installed on the frame at the head end of the conveying mechanism, a discharge pipe is fixedly installed at the bottom of the hopper, the discharge pipe is inclined and lowered at one end away from the hopper, and the lower end of the discharge pipe extends to the top of the head end of the conveying mechanism; a discharge roller extending along the width direction is rotatably installed in the discharge pipe, and the discharge roller blocks the discharge pipe The outer circumferential surface of the discharge roller is provided with a plurality of conveying trough groups evenly spaced along its length direction, and each of the conveying trough groups includes a plurality of conveying troughs evenly spaced around the circumference of the discharge roller; a plurality of guide plates evenly spaced along its width direction are fixedly installed in the lower end of the discharge pipe, and the guide plates extend along the length direction of the discharge pipe, and one end of the guide plates is in contact with the outer circumferential surface of the discharge roller, and the plurality of guide plates divide the lower end inner cavity of the discharge pipe into a plurality of evenly spaced discharge channels, and the discharge channels correspond one to one with the conveying trough groups.

[0008] As a preferred technical solution, the conveying mechanism includes a mounting frame, on which two parallel conveying shafts are rotatably mounted, and a conveyor belt is connected between the two conveying shafts.

[0009] As a preferred technical solution, one of the conveying shafts is connected to a power device; a small pulley is fixedly installed on one of the conveying shafts, a large pulley is fixedly installed on one end of the discharge roller, and a transmission belt is connected between the small pulley and the large pulley.

[0010] As a preferred technical solution, the mounting frame includes an elongated bottom plate, and upwardly extending side plates are fixedly mounted on both sides of the bottom plate along the width direction, and the two conveying shafts are rotatably mounted between the two side plates.

[0011] As a preferred technical solution, a transverse plate is fixedly installed between the two side plates above the conveyor belt, and a plurality of baffles evenly spaced along the width direction of the conveyor belt are fixedly installed at the bottom of the transverse plate. The baffles extend along the length direction of the conveyor belt, and the plurality of baffles divide the top of the conveyor belt between the two side plates into a plurality of evenly spaced conveying channels, and the conveying channels correspond one-to-one to the discharge channels, and the discharge channels are opposite to the head ends of the corresponding conveying channels.

[0012] As a preferred technical solution, a first material receiving box is fixedly installed on the frame located at the tail end of the conveying mechanism. When there is no external force, the nuts falling through the tail end of the conveying mechanism fall into the first material receiving box in a parabola; a second material receiving box is also fixedly installed on the frame downstream of the first material receiving box along the nut conveying direction, and a first bellows is fixedly installed on the frame below the tail end of the conveying mechanism. The first bellows is equipped with a nozzle for blowing the nuts falling through the tail end of the conveying mechanism into the second material receiving box, and the nozzle corresponds one-to-one to the conveying channel.

[0013] As a preferred technical solution, a second bellows located above the second material receiving box is fixedly installed on the frame, and a plurality of evenly distributed air outlets are provided at the bottom of the second bellows. The plurality of air outlets blow air downward to form a wind curtain for preventing nuts from being blown out of the second material receiving box by the nozzle.

[0014] As a preferred technical solution, a discharge pipe is fixedly installed on the bottom of the first material receiving box and the bottom of the second material receiving box, and the two discharge pipes extend in different directions.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] 1. As the discharging roller rotates slowly, the nuts are intermittently discharged onto the conveyor belt, so that the nuts are evenly dispersed along the length direction of the conveyor belt; when the nuts are discharged onto the conveyor belt along the corresponding discharging channel, they will move forward along the corresponding conveying channel following the conveyor belt, so that the nuts are dispersed along the width direction of the conveyor belt. The dispersion of the nuts on the conveyor belt is higher, thus ensuring that the detection mechanism can accurately detect each nut;

[0017] 2. Several guide plates divide the lower end inner cavity of the discharge pipe into multiple discharge channels evenly spaced on the left and right. The discharge channels correspond to the conveying trough groups one by one. When the discharge roller drives the conveying trough to rotate in the lower end of the discharge pipe, the nuts carried in the conveying trough will be discharged along the corresponding discharge channel to the conveyor belt, so that the nuts discharged from the discharge pipe remain dispersed;

[0018] 3. The bottom of the second bellows is provided with a plurality of evenly distributed air outlet holes. When the nuts are moved to the bottom of the second bellows under the blowing of the nozzle, they will fall accurately into the second receiving box along with the wind curtain blown downward by the second bellows, thereby preventing the lighter nuts from being blown out of the second receiving box by the nozzle. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0020] Figure 1 is a schematic structural diagram of an embodiment of the present invention;

[0021] Figure 2 is a schematic structural diagram of a conveying mechanism according to an embodiment of the present invention;

[0022] Figure 3 It is a schematic diagram of the structure inside the discharge pipe of an embodiment of the present invention;

[0023] Figure 4 is a schematic structural diagram of a discharge roller according to an embodiment of the present invention;

[0024] Figure 5 is a schematic structural diagram of a detection mechanism according to an embodiment of the present invention;

[0025] Figure 6 It is a schematic structural diagram of a second material receiving box according to an embodiment of the present invention.

[0026] In the figure: 1-conveying mechanism; 2-mounting frame; 3-conveying shaft; 4-conveying belt; 5-motor; 6-driving belt; 7-hopper; 8-discharging pipe; 9-frame; 10-discharging roller; 11-installing cavity; 12-conveying trough group; 13-conveying trough; 14-small pulley; 15-large pulley; 16-driving belt; 17-guide plate; 18-discharging channel; 19-bottom plate; 20-side plate; 21-cross plate; 22-baffle; 23-conveying channel; 24-detection mechanism; 25-chassis; 26-X-ray source; 27-detector; 28-first material receiving box; 29-second material receiving box; 30-first bellows; 31-nozzle; 32-discharging pipe; 33-second bellows; 34-air outlet. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0028] like Figures 1 to 6As shown, a high-speed crawler type nut material color sorter with an anti-drop air curtain structure includes a frame 9, on which a conveying mechanism 1 for driving nuts to move from back to front is provided. The conveying mechanism 1 includes a mounting frame 2, on which two parallel conveying shafts 3 are rotatably mounted, the conveying shafts 3 extend transversely, the two conveying shafts 3 are arranged in parallel front and back, and a conveyor belt 4 is sleeved on the outer side of the two conveying shafts 3; one of the conveying shafts 3 is connected to a power device, which is specifically a motor 5 installed at the bottom of the frame 9 by bolts, a driving pulley is fixedly installed on the rotating shaft of the motor 5, and a driven pulley is fixedly installed on the left end of the conveying shaft 3 located at the rear end of the conveyor belt 4, and a driving belt 6 is connected between the driving pulley and the driven pulley, and the motor 5 drives the corresponding conveying shaft 3 to rotate through the driving belt 6, and then the conveying shaft 3 drives the conveyor belt 4 to rotate to transport the nuts from back to front.

[0029] A hopper 7 for storing nuts is fixedly mounted on a frame 9 at the head end of the conveying mechanism 1 by bolts, and a discharge pipe 8 is welded to the bottom of the hopper 7. The front end of the discharge pipe 8 is tilted and lowered, and the lower end of the discharge pipe 8 extends forward to the top of the head end of the conveyor belt 4. The nuts in the hopper 7 can slide forward to the conveyor belt 4 through the tilted discharge pipe 8 and be transported from back to front by the conveyor belt 4.

[0030] like Figure 2 and Figure 3 As shown, a discharging roller 10 extending transversely along the width direction is rotatably installed in the discharging tube 8. The left and right ends of the discharging roller 10 are rotatably connected to the left and right side walls of the discharging tube 8 through bearings respectively. The discharging roller 10 blocks the discharging tube 8. A mounting cavity 11 is provided in the middle of the discharging tube 8. The mounting cavity 11 is in the shape of a transversely extending cylindrical body. The diameter of the mounting cavity 11 is larger than the vertical distance between the inclined side walls of the discharging tube 8. The discharging roller 10 fits the inner wall of the mounting cavity 11. Figure 4As shown, a plurality of conveying trough groups 12 are provided on the outer peripheral surface of the discharge roller 10 and are evenly spaced along the length direction thereof, and each conveying trough group 12 includes a plurality of conveying troughs 13 evenly spaced around the circumference of the discharge roller 10, each conveying trough 13 can accommodate one nut, and the size of the conveying trough 13 can be set according to the type of nut; a small pulley 14 is fixedly installed on the right end of the conveying shaft 3 located at the rear end of the conveyor belt 4, and the right end of the discharge roller 10 extends to the outside of the discharge pipe 8 and is fixedly installed with a large pulley 15, and a transmission belt 16 is connected between the small pulley 14 and the large pulley 15. While the conveyor shaft 3 rotates at high speed, the discharging roller 10 is driven to rotate at low speed through the transmission belt 16. When the discharging roller 10 drives the conveying trough 13 to rotate to the high end of the discharging pipe 8, the nuts located in the high end of the discharging pipe 8 enter the conveying trough 13. When the discharging roller 10 drives the conveying trough 13 to rotate to the low end of the discharging pipe 8, the nuts carried in the conveying trough 13 are discharged through the low end of the discharging pipe 8 onto the conveyor belt 4. As the discharging roller 10 rotates slowly, the nuts are intermittently discharged onto the conveyor belt 4, so that the nuts are evenly dispersed along the length direction of the conveyor belt 4.

[0031] like Figure 3 As shown, a plurality of guide plates 17 are welded inside the lower end of the discharge pipe 8 and are evenly spaced from side to side along the width direction thereof. The guide plates 17 extend along the length direction of the discharge pipe 8, one end of the guide plates 17 is in contact with the outer peripheral surface of the discharge roller 10, and the other end extends to the lower end of the discharge pipe 8. The guide plates 17 divide the lower end inner cavity of the discharge pipe 8 into a plurality of discharge channels 18 evenly spaced from side to side, and the discharge channels 18 correspond to the conveying trough groups 12 one by one. When the discharge roller 10 drives the conveying trough 13 to rotate inside the lower end of the discharge pipe 8, the nuts carried in the conveying trough 13 will be discharged along the corresponding discharge channel 18 to the conveyor belt 4, so that the nuts discharged from the discharge pipe 8 remain dispersed.

[0032] like Figure 2As shown, the mounting frame 2 includes a long strip-shaped bottom plate 19, and the left and right sides of the bottom plate 19 along the width direction are respectively fixedly installed with side plates 20 extending upward, and the two conveying shafts 3 are rotatably installed between the two side plates 20; a cross plate 21 is fixedly installed between the two side plates 20 above the conveyor belt 4 by bolts, and a plurality of cross plates 21 are evenly spaced front and back along the conveying direction of nuts, and the bottoms of the plurality of cross plates 21 are fixedly installed with a plurality of baffles 22 evenly spaced left and right along the width direction of the conveyor belt 4 by bolts or welding. The baffles 22 extend front and back along the length direction of the conveyor belt 4, and the bottoms of the baffles 22 are close to the top of the conveyor belt 4. The plurality of baffles 22 divide the top of the conveyor belt 4 between the two side plates 20 into a plurality of evenly spaced conveying channels 23, and the conveying channels 23 correspond to the discharge channels 18 one by one, and the discharge channels 18 are directly opposite to the head ends of the corresponding conveying channels 23. When the nuts are discharged onto the conveyor belt 4 along the corresponding discharge channel 18 , they will move forward along the corresponding conveying channel 23 following the conveyor belt 4 , so that the nuts are kept dispersed along the width direction of the conveyor belt 4 .

[0033] The frame 9 is also provided with a detection mechanism 24 for detecting whether there are bad nuts inside the nuts, and the tail end of the conveying mechanism 1 passes through the detection mechanism 24. The detection mechanism 24 can be a near infrared spectrum detection mechanism; or Figure 5 As shown, the detection mechanism 24 is provided with a chassis 25, and the front and rear side walls of the chassis 25 are provided with openings for the conveying mechanism 1 to pass through, and the mounting frame 2 and the conveyor belt 4 both pass through the openings; an X-ray source 26 corresponding to the conveying channel 23 is installed on the inner side of the top wall of the chassis 25, and a detector 27 corresponding to the X-ray source 26 is installed on the inner side of the bottom wall of the chassis 25 or on the mounting frame 2 located below the conveyor belt 4.

[0034] A first receiving box 28 is fixedly mounted on the frame 9 at the tail end of the conveying mechanism 1 by bolts. When there is no external force, the intact nuts dropped from the tail end of the conveying mechanism 1 fall into the first receiving box 28 in a parabola.

[0035] A second receiving box 29 is also fixedly installed on the frame 9 located downstream of the first receiving box 28 along the nut conveying direction by bolts, and a first bellows 30 is fixedly installed on the frame located below the tail end of the conveying mechanism 1. A nozzle 31 for blowing nuts dropped from the tail end of the conveying mechanism 1 into the second receiving box 29 is installed on the front side of the first bellows 30, and the nozzle 31 corresponds to the conveying channel 23 one by one. The first bellows 30 is connected to the air source, the nozzle 31 is connected to the first bellows 30, and a solenoid valve is arranged in the nozzle 31; when the detection mechanism 24 detects that there are bad nuts among the nuts passing through the corresponding conveying channel 23, when the nuts drop from the tail end of the conveying mechanism 1, the corresponding nozzle 31 is opened and the bad nuts are blown forward into the second receiving box 29, thereby achieving the separation of intact nuts from bad nuts. In addition, the bottom of the first receiving box 28 and the bottom of the second receiving box 29 are both funnel-shaped, and discharge pipes 32 are fixedly installed at the bottom of the first receiving box 28 and the bottom of the second receiving box 29, and the two discharge pipes extend in different directions to collect intact nuts and bad nuts respectively.

[0036] Since the weight of each nut is different, in order to prevent the lighter nuts from being blown by the nozzle 31 and moving a long horizontal distance and falling to the outside of the second receiving box 29, as shown in FIG. Figure 6 As shown, a second bellows 33 located above the second material receiving box 29 is fixedly installed on the frame 9 through a support plate. The second bellows 33 is connected to an air source. The second bellows 33 is in the shape of a long strip extending along the width direction of the conveying mechanism 1. A plurality of evenly distributed air outlets 34 are provided at the bottom of the second bellows 33. The plurality of air outlets 34 blow air downward to form a wind curtain for preventing nuts from being blown out of the second material receiving box 29 outside the nozzle 31. When the nuts move to the bottom of the second bellows 33 under the blowing of the nozzle 31, they will accurately fall into the second material receiving box 29 along with the wind curtain blown downward by the second bellows 33.

[0037] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the present invention and are not intended to limit the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. High-speed crawler type nut material color sorter with anti-drop air curtain structure, characterized by: The machine comprises a frame, a conveying mechanism is arranged on the frame, a detection mechanism is also arranged on the frame, and the tail end of the conveying mechanism passes through the detection mechanism; a hopper is fixedly installed on the frame at the head end of the conveying mechanism, a discharge pipe is fixedly installed at the bottom of the hopper, the discharge pipe is inclined and lowered at one end away from the hopper, and the lower end of the discharge pipe extends to the top of the head end of the conveying mechanism; a discharge roller extending along the width direction is rotatably installed in the discharge pipe, the discharge roller blocks the discharge pipe, and the outer peripheral surface of the discharge roller A plurality of conveying trough groups are arranged evenly at intervals along the length direction thereof, and each of the conveying trough groups includes a plurality of conveying troughs evenly at intervals around the circumference of the discharge roller; a plurality of guide plates evenly at intervals along the width direction thereof are fixedly installed inside the lower end of the discharge pipe, and the guide plates extend along the length direction of the discharge pipe, and one end of the guide plates is in contact with the outer peripheral surface of the discharge roller, and the plurality of guide plates divide the lower end inner cavity of the discharge pipe into a plurality of evenly at intervals discharge channels, and the discharge channels correspond one to one with the conveying trough groups.

2. The high-speed crawler type nut material color sorter with an anti-drop air curtain structure as claimed in claim 1, characterized in that: The conveying mechanism comprises a mounting frame, on which two parallel conveying shafts are rotatably mounted, and a conveying belt is connected between the two conveying shafts.

3. The high-speed crawler type nut material color sorter with an anti-drop air curtain structure as claimed in claim 2, characterized in that: One of the conveying shafts is connected to a power device; a small pulley is fixedly installed on one of the conveying shafts, a large pulley is fixedly installed at one end of the discharging roller, and a transmission belt is connected between the small pulley and the large pulley.

4. The high-speed crawler type nut material color sorter with an anti-drop air curtain structure as claimed in claim 2, characterized in that: The mounting frame comprises a long strip bottom plate, and side plates extending upward are respectively fixedly mounted on both sides of the bottom plate in the width direction, and the two conveying shafts are rotatably mounted between the two side plates.

5. The high-speed crawler type nut material color sorter with an anti-drop air curtain structure as claimed in claim 4, characterized in that: A transverse plate is fixedly installed between the two side plates above the conveyor belt, and a plurality of baffles evenly spaced along the width direction of the conveyor belt are fixedly installed at the bottom of the transverse plate. The baffles extend along the length direction of the conveyor belt, and the baffles divide the top of the conveyor belt between the two side plates into a plurality of evenly spaced conveying channels, and the conveying channels correspond one-to-one to the discharge channels, and the discharge channels are opposite to the head ends of the corresponding conveying channels.

6. The high-speed crawler type nut material color sorter with an anti-drop air curtain structure as claimed in claim 5, characterized in that: A first material receiving box is fixedly installed on the frame located at the tail end of the conveying mechanism. When there is no external force, the nuts falling through the tail end of the conveying mechanism fall into the first material receiving box in a parabola; a second material receiving box is also fixedly installed on the frame downstream of the first material receiving box along the nut conveying direction, and a first bellows is fixedly installed on the frame below the tail end of the conveying mechanism. The first bellows is equipped with a nozzle for blowing the nuts falling through the tail end of the conveying mechanism into the second material receiving box, and the nozzle corresponds one-to-one to the conveying channel.

7. The high-speed crawler type nut material color sorter with an anti-drop air curtain structure as claimed in claim 6, characterized in that: A second bellows located above the second material receiving box is fixedly mounted on the frame, and a plurality of evenly distributed air outlets are provided at the bottom of the second bellows. The plurality of air outlets blow air downward to form a wind curtain for preventing nuts from being blown out of the second material receiving box by the nozzle.

8. The high-speed crawler type nut material color sorter with an anti-drop air curtain structure as claimed in claim 6, characterized in that: A discharge pipe is fixedly installed on the bottom of the first material receiving box and the bottom of the second material receiving box, and the two discharge pipes extend in different directions.

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