Transfer manipulator and secondary product sorting device applying same

Abstract

The utility model discloses a transfer manipulator and a secondary product sorting device applying the transfer manipulator, and the transfer manipulator comprises a motor, a swing arm fixedly arranged at the driving end of the motor, a mounting shaft rotationally connected to the free end of the swing arm, and a bottle suction assembly fixedly arranged on the mounting shaft, and the forced orientation assembly is used for enabling the working end of the bottle suction assembly to face vertically downwards all the time. The second-grade product sorting device comprises a second-grade product transfer packaging line and the transfer manipulator. The bottle taking position of the transfer manipulator corresponds to the bottle body output position of the bottle body quality detection system conveying line, the first bottle unloading position of the transfer manipulator corresponds to the bottle body input position of the secondary product transfer packaging line, and the second bottle unloading position of the transfer manipulator corresponds to the bottle body input position of the bottle unscrambling line. According to the utility model, products with unsmooth surfaces, small size errors and other defects can be sorted out from unqualified products so as to be treated as secondary products subsequently, and the production benefits of enterprises can be improved.

Description

Technical Field

[0001] The utility model relates to the classification and disposal of finished product bottles after quality inspection, in particular to a transfer manipulator and a secondary product sorting device using the same. Background Art

[0002] After the finished bottles made by the bottle making machine are annealed in the annealing furnace, they need to be inspected by the bottle quality inspection system to ensure product quality.

[0003] According to the test results of the bottle quality inspection system, there are generally two ways to dispose of finished bottles: one is for qualified products, the transfer robot transfers the qualified products to the bottle sorting line, and then packs them in boxes after sorting; the other is for unqualified products, which are discharged from the waste tank at the end of the transport line connected to the bottle quality inspection system, and are collected and returned to the furnace for processing. However, this classification and disposal method has the problem of low economic benefits in actual production. The specific reason is that some finished bottles among the unqualified products are just not smooth enough on the outer surface. For example, the dripping of lubricating oil in the machine causes a small amount of oil stains on the bottle body, but there is no obvious glass defect, and there is no crack in any part. This type of unqualified products can be completely processed into qualified products after wiping and cleaning. For this type of unqualified products, the current method of returning them to the furnace as waste cannot bring any benefits to the company. Utility Model Content

[0004] In order to solve the above deficiencies existing in the prior art, the utility model aims to provide a transfer robot and a secondary product sorting device using the same, so as to achieve the purpose of finely classifying products.

[0005] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is as follows: a transfer manipulator, comprising a motor, a swing arm fixedly mounted on the driving end of the motor, a mounting shaft rotatably connected to the free end of the swing arm, and at least one suction bottle assembly fixedly mounted on the mounting shaft;

[0006] Also included is a forced orientation component for making the working end of the suction bottle component always face vertically downward.

[0007] As a limitation of the present utility model, the forced orientation assembly includes a fixed pulley fixedly mounted on the front end cover of the motor, a movable pulley fixedly mounted on the mounting shaft, and a synchronous toothed belt assembled between the fixed pulley and the movable pulley;

[0008] The fixed pulley is coaxial with the motor driving end, and the movable pulley is coaxial with the mounting shaft.

[0009] As a further limitation of the present invention, a synchronous belt tensioning assembly is installed on the swing arm; the synchronous belt tensioning assembly includes a tensioning block fixed on the swing arm and a clamping pin fixed on the tensioning block, and the clamping pin contacts the outer side of the synchronous toothed belt to apply a clamping force to the synchronous toothed belt.

[0010] As a further limitation of the present invention, a long hole is opened on the tension block along the length direction, a through hole is opened on the swing arm, and fasteners are inserted through the long hole and the through hole to fix the tension block on the swing arm.

[0011] The utility model also discloses a secondary product sorting device, including a secondary product transfer packaging line and the transfer manipulator as described above;

[0012] The bottle picking position of the transfer robot corresponds to the bottle output position of the bottle quality inspection system transportation line, the first bottle unloading position of the transfer robot corresponds to the bottle input position of the secondary product transfer packaging line, and the second bottle unloading position of the transfer robot corresponds to the bottle input position of the bottle sorting line.

[0013] As a limitation of the present invention, the secondary product transfer packaging line includes a first horizontal conveyor belt, a material drop trough and a second horizontal conveyor belt connected in sequence, and one side of the second horizontal conveyor belt is connected to a packaging trough for temporarily storing the secondary products;

[0014] Side baffles are fixedly provided on both sides of the first horizontal conveyor belt;

[0015] The inner side of the second horizontal conveyor belt adjacent to the packaging slot is equipped with a gate assembly, and the outer side away from the packaging slot is equipped with a horizontal push assembly for pushing the secondary products into the packaging slot.

[0016] As a further limitation of the present utility model, the push assembly includes a push cylinder fixedly mounted on the outside of the second horizontal conveyor belt and a side push plate assembled on the outside of the second horizontal conveyor belt through a horizontal guide rail, the side push plate being connected to the power output end of the push cylinder and facing the feed port of the packaging trough.

[0017] As a further limitation of the present invention, the gate assembly includes a lifting cylinder fixedly mounted on the top of the side push plate and a gate plate arranged on the inner side of the second horizontal conveyor belt, and the power output end of the lifting cylinder is vertically downward and connected to the gate plate.

[0018] As another limitation of the present invention, the material drop chute is a vertically arranged slideway structure, a material receiving baffle for shielding the front opening of the material drop chute is fixedly provided in the front, and a material receiving assembly for reducing the drop height of the secondary product is installed at the bottom;

[0019] The material receiving assembly comprises a material receiving cushion block located at the bottom of the material dropping trough, and a material receiving cylinder whose power output end is connected to the material receiving cushion block to control the material receiving cushion block to extend out of the bottom of the material dropping trough or return to its original position.

[0020] As a further limitation of the present invention, a material receiving plate is fixedly provided above the input end of the second horizontal conveyor belt, and the material receiving plate is connected to the discharge end of the bottom of the material chute.

[0021] Due to the adoption of the above technical solution, the utility model has the following beneficial effects compared with the prior art:

[0022] (1) The transfer manipulator disclosed in the utility model uses a motor-driven swing arm to control the reciprocating motion of the bottle suction assembly between the bottle picking position and the bottle unloading position. The action execution speed is fast, which can effectively improve the work efficiency of transferring finished bottles. In addition, a forced orientation assembly is also equipped to ensure that the working end of the bottle suction assembly is always vertically downward to avoid twisting and displacement of the working end, thereby ensuring the accuracy of the positioning of the working end of the bottle suction assembly, which can effectively improve the accuracy of transferring finished bottles.

[0023] (2) The secondary product sorting device disclosed in the utility model, when used between the bottle quality inspection system transportation line and the bottle sorting line, can optimize the classification and disposal method of finished bottles after quality inspection, that is, improve the original qualified product / unqualified product classification and disposal method to the first-class product / second-class product / inferior product classification and disposal method, and make the product classification more refined. Products with defects such as rough surface and small size errors can be sorted out from unqualified products and processed as secondary products to obtain profits. Compared with the method of directly recycling them as waste products, it can improve the economic benefits of the enterprise.

[0024] (3) In the secondary product sorting device disclosed in the utility model, the side baffles fixed on both sides of the first horizontal conveyor belt can prevent the secondary finished product bottles from falling from both sides; the material drop chute is designed as a slide structure, and a material receiving baffle is provided in front to prevent the secondary product bottles from leaving the material drop chute; the gate assembly and the horizontal push assembly respectively arranged on both sides of the second horizontal conveyor belt can prevent the secondary finished product bottles from falling from both sides and can also push the secondary finished product bottles arranged in rows into the packaging trough in an orderly manner. The utility model has a reasonable structural design and can stably and reliably transfer the sorted secondary finished product bottles.

[0025] (4) In the secondary product sorting device disclosed in the present invention, the material receiving assembly installed at the bottom of the material drop chute can shorten the falling height of the secondary finished product bottles, so that the secondary finished product bottles first fall on the material receiving pad and then fall onto the material receiving plate, thereby dividing the falling height of the secondary finished product bottles into two gradients, reducing the movement amplitude of the secondary finished product bottles, and further reducing the probability of the secondary finished product bottles tipping over and breaking when falling.

[0026] In addition, a receiving plate is provided at the bottom of the drop chute and above the input end of the second horizontal conveyor belt, which can prevent the secondary finished bottles from falling directly onto the conveyor belt in operation, thereby preventing the secondary finished bottles from tipping over due to unstable center of gravity. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] The present invention is described in further detail below in conjunction with the accompanying drawings and specific embodiments.

[0028] Figure 1This is a schematic diagram of the structure of Embodiment 1 of the present utility model;

[0029] Figure 2 It is the motion trajectory diagram of Example 1 of the utility model;

[0030] Figure 3 This is a schematic diagram of the structure of Embodiment 2 of the present utility model;

[0031] Figure 4 This is a schematic diagram of the structure of the transfer robot and the first horizontal conveyor belt in Example 2 of the utility model;

[0032] Figure 5 This is a schematic diagram of the structure of the material drop chute and the second horizontal conveyor belt in Example 2 of the utility model;

[0033] Figure 6 This is a schematic diagram of the structure of the blanking chute in Example 2 of the utility model;

[0034] Figure 7 This is a schematic diagram of the structure of the second horizontal conveyor belt in Example 2 of the utility model;

[0035] Figure 8 This is a schematic diagram of the application structure of Embodiment 2 of the present utility model;

[0036] In the figure: 1. Motor; 2. Swing arm; 3. Mounting shaft; 4. Vacuum nozzle; 5. Fixed pulley; 6. Movable pulley; 7. Synchronous toothed belt; 8. Tension block; 9. Press pin; 10. Transfer manipulator; 11. First horizontal conveyor belt; 12. Dropping chute; 13. Second horizontal conveyor belt; 14. Packing chute; 15. Side baffle; 16. Receiving baffle; 17. Receiving cylinder; 18. Receiving pad; 19. Receiving plate; 20. Push cylinder; 21. Horizontal guide rail; 22. Side push plate; 23. Lifting cylinder; 24. Gate; 25. Connecting plate; 26. Anti-falling plate; 27. Bottle quality inspection system transportation line; 28. Bottle unscrambling line;

[0037] C1, bottle picking position; C2, first bottle unloading position; C3, second bottle unloading position. DETAILED DESCRIPTION

[0038] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and understand the present invention, and are not used to limit the present invention.

[0039] Example 1 A transfer robot

[0040] This embodiment is a robot for transferring finished bottles (such as vials) from the bottle quality inspection system transportation line 27 to the bottle unscrambling line 28. Figure 1As shown, it includes a motor 1, a swing arm 2, a mounting shaft 3, a suction bottle assembly and a forced orientation assembly.

[0041] Specifically, the motor 1 in this embodiment is a servo motor, which is controlled by a PLC controller; one end of the swing arm 2 is fixedly mounted on the driving end of the motor 1, and is driven by the motor 1 to perform corresponding actions; the mounting shaft 3 is rotatably connected to the free end of the swing arm 2 through a bearing; the bottle suction assembly includes at least one, which is fixedly mounted on the mounting shaft 3 and is used to perform bottle picking and unloading actions. In this embodiment, two bottle suction assemblies are arranged side by side, which are vacuum suction nozzles 4 in the prior art. According to actual conditions, the bottle suction assembly can also use a mechanical clamp in the prior art.

[0042] Under the control of the PLC controller, this embodiment has three working positions, namely, the bottle taking position C1, the first bottle unloading position C2 and the second bottle unloading position C3. Figure 2 It should be noted that, according to the setting height of the bottle quality detection system transportation line 27 and the bottle unscrambling line 28, the bottle picking position C1 and the second bottle unloading position C3 of this embodiment will be adaptively adjusted. Figure 2 This is only one example. Of course, according to actual conditions, the first bottle unloading position C2 can also be adaptively adjusted.

[0043] During operation, the bottle suction assembly in this embodiment reciprocates between the bottle picking position C1 and the first bottle unloading position C2, or reciprocates between the bottle picking position C1 and the second bottle unloading position C3 to perform bottle picking and bottle unloading actions.

[0044] The forced orientation component is used to make the working end of the bottle suction component always face vertically downward, so that the working end of the bottle suction component can be accurately positioned at the bottle picking position C1, the first bottle unloading position C2 or the second bottle unloading position C3. Figure 1 As shown, the forced positioning assembly includes a fixed pulley 5, a movable pulley 6 and a synchronous toothed belt 7. The fixed pulley 5 is fixedly mounted on the front end cover of the motor 1, coaxial with the driving end of the motor 1, and does not rotate with the driving end of the motor 1. During actual assembly, the fixed pulley 5 can also be fixed on the motor mounting seat. The movable pulley 6 is fixedly mounted on the mounting shaft 3, coaxial with the mounting shaft 3. In this embodiment, the movable pulley 6 and the suction bottle assembly are respectively arranged at both ends of the mounting shaft 3, that is, on both sides of the swing arm 2. The synchronous toothed belt 7 is assembled between the fixed pulley 5 and the movable pulley 6.

[0045] In order to prevent the synchronous toothed belt 7 from loosening, a synchronous belt tensioning assembly is also installed on the swing arm 2 in this embodiment. Figure 1As shown, the synchronous belt tensioning assembly includes a tensioning block 8 fixedly mounted on the swing arm 2 and a clamping pin 9 fixedly mounted on the tensioning block 8. Among them, a long hole is provided on the tensioning block 8 along its length direction, and a mounting groove for mounting the tensioning block 8 is provided on the swing arm 2, and a through hole is provided in the mounting groove. The tensioning block 8 is placed in the mounting groove, and fasteners are inserted through the long hole and the through hole to fix the tensioning block 8 on the swing arm 2. In this embodiment, the fasteners are bolts and nuts. The clamping pin 9 is perpendicular to the tensioning block 8, contacts the outer side surface of the synchronous toothed belt 7, and is used to apply a clamping force to the synchronous toothed belt 7. In actual use, the fixing position of the tensioning block 8 on the swing arm 2, that is, the downward extension length of the tensioning block 8 on the swing arm 2, is changed through the long hole, so that the tension of the synchronous toothed belt 7 can be adjusted.

[0046] In this embodiment, the working principle of the forced orientation assembly is as follows: since the fixed pulley 5 is in a fixed state, after the synchronous toothed belt 7 is assembled between the fixed pulley 5 and the movable pulley 6, the movable pulley 6 cannot rotate. During the initial assembly, the working end of the bottle suction assembly on the mounting shaft 3 is adjusted to be vertically downward, and then when the motor 1 drives the bottle suction assembly to rotate through the swing arm 2, under the restriction of the forced orientation assembly, the mounting shaft 3 will not rotate with its axis as the rotation axis, so the working end of the bottle suction assembly will always remain in a vertically downward state.

[0047] Example 2 A secondary product sorting device

[0048] like Figure 3 As shown, this embodiment includes a secondary product transfer packaging line and a transfer robot 10, wherein the transfer robot 10 adopts the structure disclosed in the above-mentioned embodiment 1, which will not be repeated here. The secondary product transfer packaging line includes a first horizontal conveyor belt 11, a material drop trough 12 and a second horizontal conveyor belt 13 connected in sequence, and a packaging trough 14 is connected to one side of the second horizontal conveyor belt 13 to temporarily store the secondary products.

[0049] The first horizontal conveyor belt 11 is used to receive the secondary finished bottles unloaded by the transfer robot 10. Figure 4 As shown, the first horizontal conveyor belt 11 is located below the transfer robot 10, and side baffles 15 are fixed on both sides to prevent the secondary finished bottles from falling from the sides during transfer.

[0050] The feeding chute 12 is used to adjust the secondary finished bottles from a lying state to an upright state and output them to the second horizontal conveyor belt 13. Figure 5 and Figure 6As shown, the chute 12 is a vertically arranged slideway structure, the top of which is connected to the output end of the first horizontal conveyor belt 11, and the bottom of which is connected to the input end of the second horizontal conveyor belt 13. In this embodiment, a material receiving baffle 16 is fixedly provided on the front side of the chute 12 for shielding the front opening of the chute 12, so as to prevent the secondary finished bottles from falling out of the chute 12 from the front opening when falling. A material receiving assembly is installed at the bottom of the chute 12, which is used to shorten the falling height of the secondary finished bottles, so as to reduce the probability of the secondary finished bottles falling or breaking when falling from the chute 12 to the second horizontal conveyor belt 13.

[0051] like Figure 6 As shown, the material receiving assembly includes a material receiving cylinder 17 fixedly mounted on one side of the second horizontal conveyor belt 13 and a material receiving pad 18 fixedly mounted on the power output end of the material receiving cylinder 17. The material receiving pad 18 is located at the bottom of the material chute 12. Under the control of the material receiving cylinder 17, the material receiving pad 18 can extend outward from the bottom of the material chute 12 or return to its original position. In the initial state, the power output end of the receiving cylinder 17 is in a retracted state, at which time the receiving pad 18 is located directly below the drop chute 12, and when the secondary finished bottle falls along the drop chute 12, it will directly fall on the receiving pad 18; then, the power output end of the receiving cylinder 17 extends, and the receiving pad 18 extends outward from the bottom of the drop chute 12, at which time the secondary finished bottle on the receiving pad 18 falls onto the receiving plate 19 of the second horizontal conveyor belt 13; finally, the power output end of the receiving cylinder 17 retracts, and the receiving pad 18 pushes the secondary finished bottle on the receiving plate 19 forward a distance, and returns to the position directly below the drop chute 12 at the same time...

[0052] The second horizontal conveyor belt 13 is located below the drop chute 12 and is used to receive the secondary finished bottles dropped along the drop chute 12. Figure 5 or Figure 7 As shown, the second horizontal conveyor belt 13 is fixedly provided with a receiving plate 19 above the input end, and the receiving plate 19 is connected to the discharge end at the bottom of the drop chute 12, which is used to prevent the secondary finished bottles from being directly pushed into the second horizontal conveyor belt 13 in the running state by the receiving pad block 18, so as to prevent the secondary finished bottles from tipping over due to unstable center of gravity.

[0053] The second horizontal conveyor belt 13 is equipped with a gate assembly on the inner side near the packaging groove 14, and is equipped with a push assembly on the outer side away from the packaging groove 14 for pushing the secondary finished bottles on the second horizontal conveyor belt 13 into the packaging groove 14. Figure 7As shown, the horizontal push assembly includes a horizontal push cylinder 20, a horizontal guide rail 21 and a side push plate 22. The horizontal push cylinder 20 is fixedly mounted on the outside of the second horizontal conveyor belt 13; two groups of horizontal guide rails 21 are arranged in parallel on both sides of the horizontal push cylinder 20, and the sliding blocks in the two groups of horizontal guide rails 21 are connected to the power output end of the horizontal push cylinder 20 through a connecting plate 25; the side push plate 22 is located on the outside of the second horizontal conveyor belt 13 and is fixedly mounted on the sliding blocks of the two groups of horizontal guide rails 21. When the power output end of the horizontal push cylinder 20 is retracted, the sliding block moves along the slideway to the inside of the second horizontal conveyor belt 13, thereby driving the side push plate 22 to be pushed from the outside of the second horizontal conveyor belt 13 to the inside, so as to push the secondary finished product bottles on the second horizontal conveyor belt 13 into the inner packaging groove 14; when the power output end of the horizontal push cylinder 20 is extended, the sliding block moves along the slideway to the outside of the second horizontal conveyor belt 13, thereby driving the side push plate 22 to return to the outside of the second horizontal conveyor belt 13.

[0054] The gate assembly includes a lifting cylinder 23 fixed on the top of the side push plate 22 and a gate plate 24 fixed on the power output end of the lifting cylinder 23. When the power output end of the lifting cylinder 23 is retracted, the gate plate 24 rises to leave space for the side push plate 22 to move forward; when the power output end of the lifting cylinder 23 is extended, the gate plate 24 falls and is located on the inner side of the second horizontal conveyor belt 13.

[0055] The packaging trough 14 is a rectangular structure, one end of which is open and butted against the side of the second horizontal conveyor belt 13. The gate plate 24 is located between the opening of the packaging trough 14 and the second horizontal conveyor belt 13, and the side push plate 22 faces the opening of the packaging trough 14, and the size of the side push plate 22 is adapted to the opening of the packaging trough 14.

[0056] In this embodiment, an anti-falling plate 26 is placed in the packaging groove 14. The length and width of the anti-falling plate 26 are adapted. Whenever a row of secondary finished bottles is pushed into the packaging groove 14, the anti-falling plate 26 will retreat by the distance of a secondary finished bottle. The anti-falling plate 26 is used to prevent the secondary finished bottles from falling when they are pushed into the packaging groove 14.

[0057] like Figure 8 As shown, this embodiment is applied between the bottle quality detection system transportation line 27 and the bottle unscrambling line 28, and the bottle picking position C1 of the transfer robot 10 corresponds to the bottle output position of the bottle quality detection system transportation line 27, the first bottle unloading position C2 of the transfer robot 10 corresponds to the bottle input position of the secondary product transfer packaging line, and the second bottle unloading position C3 of the transfer robot 10 corresponds to the bottle input position of the bottle unscrambling line 28.

[0058] The working process is as follows: when the finished bottle passes through the bottle quality inspection system conveying line 27, the quality of the finished bottle is inspected by taking photos, and then the inspection results are transmitted to the PLC controller; when the finished bottle reaches the output position of the bottle quality inspection system conveying line 27, the PLC controller controls the transfer robot 10 to perform corresponding actions according to the inspection results of the finished bottle:

[0059] If it is a first-level finished bottle, the PLC controller controls the transfer robot 10 to absorb the finished bottle at the bottle picking position C1, transfer it to the second bottle unloading position C3 to unload the finished bottle onto the bottle unscrambling line 28, and then controls the transfer robot 10 to return to the bottle picking position C1;

[0060] If it is a secondary finished bottle, the PLC controller controls the transfer robot 10 to absorb the finished bottle at the bottle picking position C1, transfer it to the first bottle unloading position C2 to unload the finished bottle onto the secondary product transfer packaging line, and then controls the transfer robot 10 to return to the bottle picking position C1; after the finished bottle is received by the secondary product transfer packaging line, it is sorted and arranged with other secondary finished bottles by the secondary product transfer packaging line and then pushed into the packaging tank 14;

[0061] If it is a defective bottle, the PLC controller controls the transfer robot 10 not to move, and the finished bottle falls into the waste tank from the output end of the bottle quality detection system transportation line 27.

[0062] It should be noted that the above is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A transfer robot, characterized in that: It includes a motor, a swing arm fixedly mounted on the driving end of the motor, a mounting shaft rotatably connected to the free end of the swing arm, and at least one suction bottle assembly fixedly mounted on the mounting shaft; Also included is a forced orientation component for making the working end of the suction bottle component always face vertically downward.

2. A transfer robot according to claim 1, characterized in that: The forced orientation assembly includes a fixed pulley fixed on the front end cover of the motor, a movable pulley fixed on the mounting shaft, and a synchronous toothed belt assembled between the fixed pulley and the movable pulley; The fixed pulley is coaxial with the motor driving end, and the movable pulley is coaxial with the mounting shaft.

3. A transfer robot according to claim 2, characterized in that: A synchronous belt tensioning assembly is mounted on the swing arm; the synchronous belt tensioning assembly comprises a tensioning block fixed on the swing arm and a clamping pin fixed on the tensioning block, wherein the clamping pin contacts the outer side of the synchronous toothed belt to apply a clamping force to the synchronous toothed belt.

4. A transfer robot according to claim 3, characterized in that: A long hole is provided on the tension block along the length direction, a through hole is provided on the swing arm, and fasteners are passed through the long hole and the through hole to fix the tension block on the swing arm.

5. A secondary product sorting device, characterized in that: It includes a secondary product transfer packaging line and a transfer robot as claimed in claim 1; The bottle picking position of the transfer robot corresponds to the bottle output position of the bottle quality inspection system transportation line, the first bottle unloading position of the transfer robot corresponds to the bottle input position of the secondary product transfer packaging line, and the second bottle unloading position of the transfer robot corresponds to the bottle input position of the bottle sorting line.

6. A secondary product sorting device according to claim 5, characterized in that: The secondary product transfer packaging line includes a first horizontal conveyor belt, a material drop trough and a second horizontal conveyor belt connected in sequence, and one side of the second horizontal conveyor belt is connected to a packaging trough for temporarily storing the secondary products; Side baffles are fixedly provided on both sides of the first horizontal conveyor belt; The inner side of the second horizontal conveyor belt adjacent to the packaging slot is equipped with a gate assembly, and the outer side away from the packaging slot is equipped with a horizontal push assembly for pushing the secondary products into the packaging slot.

7. A secondary product sorting device according to claim 6, characterized in that: The push assembly includes a push cylinder fixedly mounted on the outside of the second horizontal conveyor belt and a side push plate assembled on the outside of the second horizontal conveyor belt through a horizontal guide rail. The side push plate is connected to the power output end of the push cylinder and faces the inlet of the packaging trough.

8. A secondary product sorting device according to claim 7, characterized in that: The gate assembly comprises a lifting cylinder fixed on the top of the side push plate and a gate plate arranged on the inner side of the second horizontal conveyor belt. The power output end of the lifting cylinder is vertically downward and connected to the gate plate.

9. A secondary product sorting device according to any one of claims 5 to 8, characterized in that: The material drop chute is a vertically arranged slide structure, with a material receiving baffle plate fixed in the front for covering the front opening of the material drop chute, and a material receiving assembly for reducing the drop height of the secondary product at the bottom; The material receiving assembly comprises a material receiving cushion block located at the bottom of the material dropping trough, and a material receiving cylinder whose power output end is connected to the material receiving cushion block to control the material receiving cushion block to extend out of the bottom of the material dropping trough or return to its original position.

10. A secondary product sorting device according to claim 9, characterized in that: A material receiving plate is fixedly arranged above the input end of the second horizontal conveyor belt, and the material receiving plate is connected with the material discharging end at the bottom of the material dropping chute.

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