MIM product mixing, sorting and packaging device

Abstract

The utility model discloses an MIM product mixing, sorting and packaging device which comprises a machine frame and a platform arranged on the machine frame, a first conveyor, a second conveyor, a third conveyor and a fourth conveyor are sequentially connected end to end in the material conveying direction on the platform, an unstacking mechanism is arranged at the feeding end of the first conveyor, and a discharging mechanism is arranged at the discharging end of the fourth conveyor. A detection three-axis mechanical arm is arranged on one side of the discharging end of the first conveyor, a camera is arranged at the working end of the detection three-axis mechanical arm, a sorting and filling three-axis mechanical arm, a material supplementing disc and an unqualified product collecting box are arranged on one side of the feeding end of the second conveyor, and a suction cup assembly is arranged at the working end of the sorting and filling three-axis mechanical arm. A stacking mechanism is arranged at the discharging end of the second conveyor, a feeding pressing disc mechanism is arranged above the discharging end of the third conveyor, and a film winding mechanism and a discharging pressing disc mechanism are sequentially arranged at the feeding end of the fourth conveyor. In conclusion, the device has the advantages of being high in automation degree, high in working efficiency and capable of conducting accurate sorting.

Description

TECHNICAL FIELD

[0001] The utility model relates to MIM product mixing sorting and packing technical field, concretely relates to a MIM product mixing sorting and packing device. BACKGROUND

[0002] The main principle of MIM technology is that metal powder and binder are mixed according to certain proportion, then the mixed raw materials are injected into corresponding mould through injection molding technology, the shape and green body required are formed, then the green body is sequentially subjected to a series of processing technology such as degreasing, sintering and post-processing, and finally the MIM product is formed, after the MIM product is formed, suction tray, also known as suction tray, plastic inner tray or Tray tray, is used to store the MIM product in the corresponding groove of the suction tray, and then subsequent operations such as carrying and transporting are carried out.

[0003] The tray arranging operation after the MIM product is formed is often carried out manually, but due to the small size of the MIM product and the influence of manual factors during manual operation, when the MIM product is arranged in the groove of the suction tray, the MIM product may be reversed or the model number may be mixed, which affects the use of the subsequent MIM product, so the MIM product after tray arranging needs to be checked one by one, then the reversed MIM product is placed correctly, the MIM product with mixed model number is removed, and the MIM product with correct model number is replaced, and the film is wound, which is carried out manually, and there are problems of low work efficiency, high labor intensity, easy to miss detection and replacement, which affect the production progress of the MIM product and cannot meet the needs of the current large-scale and batch production of the MIM product. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a MIM product mixing sorting and packing device with high automation degree, high work efficiency and accurate sorting.

[0005] The utility model aims at providing a MIM product mixing sorting and packing device with high automation degree, high work efficiency and accurate sorting.

[0006] Furthermore, the film wrapping mechanism includes an annular mounting plate and a gear ring. The side of the gear ring is slidably and rotatably connected to the annular mounting plate. The annular mounting plate and the gear ring are fitted onto the feed end of the fourth conveyor. A film frame is provided on the other side of the gear ring. A film wrapping motor is installed on the support of the fourth conveyor. A drive gear that meshes with the gear ring is installed on the output shaft of the film wrapping motor.

[0007] Furthermore, the first and second conveyors are belt conveyors with the same structure. The conveyor belt of the belt conveyor is a hollow structure with a break in the middle. Baffles are provided below the first conveyor near the detection three-axis robot, below the second conveyor near the sorting and filling three-axis robot, and below the discharge end of the second conveyor. Positioning cylinders that drive the baffles to move up and down are installed on the frame.

[0008] Furthermore, the feeding pressure plate mechanism and the discharging pressure plate mechanism have the same structure, both including a mounting frame and a pressure plate cylinder mounted on the mounting frame. The mounting frame is fixed on the machine frame, and a pressure block is provided at the working end of the pressure plate cylinder.

[0009] Furthermore, the destacking mechanism and the stacking mechanism have the same structure, both including a lifting cylinder and a U-shaped frame installed at the working end of the lifting cylinder. The lifting cylinder is installed on the frame below the conveyor. The two vertical frames of the U-shaped frame are located on both sides of the conveyor. A translation cylinder is installed at the upper end of the vertical frame. A horizontal bar is installed at the working end of the translation cylinder. Vertical bars are installed at both ends of the horizontal bar. A lifting plate is installed on the inner side of the horizontal bar.

[0010] Furthermore, the cross-sectional shape of the vertical strip is L-shaped.

[0011] Furthermore, the ends of the lifting plates are serrated.

[0012] Furthermore, a protective shield is installed on the platform.

[0013] This utility model is used for sorting and packaging MIM (Metal Injection Molding) products. During operation, the blister packs are stacked sequentially in a destacking mechanism. The destacking mechanism destacking the stacked blister packs allows the first conveyor to carry away the bottommost blister pack. When the blister pack reaches the station of the three-axis robot, a camera records images of the MIM products placed in the blister pack. Through visual imaging, incorrectly packaged MIM products are identified, and this information is transmitted to the sorting and filling three-axis robot. Then, the first and second conveyors transport the blister pack to the sorting and filling three-axis robot's station. The suction cup assembly sorts out incorrectly packaged MIM products, placing the defective ones into the defective product collection box. Then, qualified MIM products are picked up from the replenishment tray to fill the missing grooves, completing the mixing and sorting of MIM products. The above steps are repeated continuously, mixing, sorting, and replenishing each blister pack in turn. Qualified blister packs are continuously conveyed to the palletizing mechanism, which stacks the blister packs according to the required number of layers. The stacked MIM products are conveyed to the discharge end of the third conveyor, and the wrapping mechanism is started to begin wrapping the MIM products. At the same time, the feeding pressure plate mechanism presses down to hold the stacked MIM products in place, preventing the MIM products from being unstable during wrapping and affecting the wrapping quality. The fourth conveyor is started, the feeding pressure plate mechanism is released, and the stacked MIM products are conveyed and wrapped simultaneously. Then, the discharge pressure plate mechanism presses down to hold the MIM products in place for the final wrapping. After wrapping is completed, the discharge pressure plate mechanism is retracted, and the wrapped MIM products are conveyed out by the fourth conveyor. In this invention, two three-axis robotic arms are used to capture image information of MIM products on a blister pack using a camera. The captured image information is compared with images of qualified MIM products using existing technology to identify mis-packed MIM products. A suction cup assembly then places the defective products into a defective product collection box. Qualified MIM products are then picked up from a replenishment tray to fill in the missing grooves, completing the mixing and sorting of MIM products. This process eliminates manual operation and the influence of human factors, resulting in more accurate and efficient MIM product sorting. The products are then stacked and wrapped sequentially. The entire process of mixing, sorting, and packaging MIM products is mechanical, with a high degree of automation and high efficiency. This significantly reduces the labor intensity of workers and eliminates problems such as missed inspections and replacements that occur during manual sorting, ensuring the production schedule of MIM products and effectively meeting the needs of current large-scale and batch production of MIM products. In summary, this invention has the advantages of high automation, high efficiency, and accurate sorting. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the main structure of this utility model;

[0015] Figure 2 This is a top view of the structure of this utility model;

[0016] Figure 3 for Figure 2 A magnified structural diagram of node A in the middle;

[0017] Figure 4 This is a schematic diagram of the destacking mechanism 7 and the stacking mechanism 14 in this utility model;

[0018] Figure 5 This is a schematic diagram of the film wrapping mechanism 21 in this utility model;

[0019] In the diagram: 1-Frame, 2-Platform, 3-First conveyor, 4-Second conveyor, 5-Third conveyor, 6-Fourth conveyor, 7-Depalletizing mechanism, 8-Detection three-axis robot, 9-Camera, 10-Sorting and filling three-axis robot, 11-Replenishment tray, 12-Defective product collection box, 13-Suction cup assembly, 14-Palletizing mechanism, 15-Feeding pressure plate mechanism, 16-Wrapping mechanism, 17-Discharge pressure plate mechanism, 18-Annular mounting plate, 19-Gear ring, 20-Film frame, 21-Wrapping motor, 22-Drive gear, 23-Stop bar, 24-Positioning cylinder, 25-Mounting frame, 26-Pressure plate cylinder, 27-Pressure block, 28-Lifting cylinder, 29-U-shaped frame, 30-Transfer cylinder, 31-Horizontal bar, 32-Vertical bar, 33-Lifting plate, 34-Protective cover, 35-Blister tray. Detailed Implementation

[0020] The present invention will be further described below with reference to the accompanying drawings, but this description is not intended to limit the present invention in any way. Any changes or improvements made based on the present invention shall fall within the protection scope of the present invention.

[0021] like Figures 1-5As shown, this utility model includes a frame 1 and a platform 2 mounted on the frame 1. A first conveyor 3, a second conveyor 4, a third conveyor 5, and a fourth conveyor 6 are sequentially connected along the material conveying direction on the platform 2. All four conveyors are existing technology and are used for conveying blister packs 35. The feeding end of the first conveyor 3 is equipped with a destacking mechanism 7, which is also existing technology, used for destacking stacked blister packs 35 and continuously conveying them out one by one. A three-axis inspection machine is installed on one side of the discharge end of the first conveyor 3. The robotic arm 8, a three-axis inspection robotic arm 8, has a camera 9 at its working end. A sorting and filling three-axis robotic arm 10, a replenishment tray 11, and a defective product collection box 12 are located on one side of the feeding end of the second conveyor 4. The replenishment tray 11 is a separate blister tray 35 containing qualified MIM products, used to pick up qualified MIM products and replenish them to the blister tray 35 on the second conveyor 4. The defective product collection box 12 is used to collect defective or mis-packaged MIM products. The working end of the sorting and filling three-axis robotic arm 10 is equipped with... The suction cup assembly 13, the inspection three-axis robot 8, and the sorting and filling three-axis robot 10 are all existing technologies. A three-axis robot refers to a robot that has the ability to move in the X, Y, and Z directions. Its typical structure includes a main arm pulling axis (X-axis), a main arm vertical axis (Z-axis), and a horizontal axis (Y-axis), which can realize linear motion in three-dimensional space. The inspection three-axis robot 8 is used to install the camera 9 to inspect MIM products, and the sorting and filling three-axis robot 10 is used to install the suction cup assembly 13 to sort MIM products. The suction cup assembly 13 is used for gripping and placing MIM products. The discharge end of the second conveyor 4 is equipped with a stacking mechanism 14, which is used to stack the sorted and filled blister trays 35. The discharge end of the third conveyor 5 is equipped with an infeed pressing plate mechanism 15. The infeed end of the fourth conveyor 6 is equipped with a wrapping mechanism 16 and a discharge pressing plate mechanism 17 in sequence. The infeed pressing plate mechanism 15 and the discharge pressing plate mechanism 17 are used to press the stacked multi-layer blister trays 35 tightly to facilitate the wrapping operation of the wrapping mechanism 16.

[0022] This invention is used for sorting and packaging MIM (Metal Injection Molding) products. During operation, the blister packs 35 are stacked sequentially in the destacking mechanism 7. The destacking mechanism 7 destackings the stacked blister packs 35, and the first conveyor 3 sequentially carries away the bottommost blister pack 35. When the blister pack 35 reaches the station of the three-axis robot 8, the camera 9 records images of the MIM products placed in the blister pack 35. Through visual imaging, incorrectly packaged MIM products are identified, and the information is transmitted to the sorting and filling three-axis robot 10. Then, the first conveyor 3 and the second conveyor 4 transport the blister pack 35 to the station of the sorting and filling three-axis robot 10. The suction cup assembly 13 sorts out the incorrectly packaged MIM products, placing the defective ones into the defective product collection box 12. Then, the qualified MIM products are picked up from the replenishment tray 11 and the empty tray is filled. Missing grooves are filled in to complete the mixing and sorting of MIM products. The above steps are repeated continuously to mix, sort, and fill each blister pack 35 in turn. Qualified blister packs 35 are continuously conveyed to the stacking mechanism 14, which stacks the blister packs 35 according to the required number of layers. The stacked MIM products are conveyed to the discharge end of the third conveyor 5. The wrapping mechanism 16 is started to wrap the MIM products. At the same time, the feeding pressure plate mechanism 15 presses down to hold the stacked MIM products to prevent the MIM products from being unstable during wrapping and affecting the wrapping quality. The fourth conveyor 6 is started, the feeding pressure plate mechanism 15 is released, and the stacked MIM products are conveyed and wrapped at the same time. Then, the discharge pressure plate mechanism 17 presses down to hold the MIM products for the final wrapping. After the wrapping is completed, the discharge pressure plate mechanism 17 is retracted, and the wrapped MIM products are conveyed out by the fourth conveyor 6.

[0023] In this invention, relying on two three-axis robotic arms, a camera 9 is used to capture image information of MIM products on a blister pack 35. The captured image information is compared with images of qualified MIM products using existing technology to identify mis-packed MIM products. Then, a suction cup assembly 13 is used to place the unqualified products into a non-qualified product collection box 12 for storage. Qualified MIM products are then picked up from a replenishment tray 11 to fill in the missing grooves, completing the mixing and sorting of MIM products. No manual operation is required, eliminating the influence of human factors. The sorting of MIM products is more accurate and efficient. Then, stacking and wrapping are carried out in sequence. The entire sorting and packaging process of MIM product mixing is mechanical, with a high degree of automation and high work efficiency. It significantly reduces the labor intensity of workers and eliminates problems such as missed inspections and replacements that occur during manual sorting, ensuring the production progress of MIM products and meeting the current needs of large-scale and batch production of MIM products.

[0024] The wrapping mechanism 16 includes an annular mounting plate 18 and a gear ring 19. The annular mounting plate 18 is mounted on the support of the fourth conveyor 6. The side of the gear ring 19 is slidably and rotatably connected to the annular mounting plate 18. The annular mounting plate 18 and the gear ring 19 are fitted onto the feed end of the fourth conveyor 6. A film holder 20 is provided on the other side of the gear ring 19. A wrapping motor 21 is mounted on the support of the fourth conveyor 6. A drive gear 22 that meshes with the gear ring 19 is mounted on the output shaft of the wrapping motor 21. The wrapping mechanism 16 is used to wrap and package MIM products after sorting and stacking. During operation, the wrapping motor 21 drives the drive gear 22, which in turn drives the gear ring 19. The gear ring 19 rotates on the annular mounting plate 18 and drives the film holder 20 to rotate as well. The packaging film is mounted on the film holder 20. The packaging film is continuously pulled out and wrapped around the multi-layer blister tray 35 after stacking, thereby completing the packaging of the blister tray 35.

[0025] The first conveyor 3 and the second conveyor 4 are identical belt conveyors. The conveyor belt of the belt conveyor is a hollow structure with a break in the middle. Baffles 23 are installed below the first conveyor 3 near the inspection three-axis robot 8, below the second conveyor 4 near the sorting and filling three-axis robot 10, and below the discharge end of the second conveyor 4. Positioning cylinders 24 are installed on the support of the conveyors to drive the baffles 23 up and down. The baffles 23 below the first conveyor 3 near the inspection three-axis robot 8 are used to position the blister pack 35, facilitating photography and image acquisition by the camera 9 on the inspection three-axis robot 8, ensuring the accuracy of the inspection. Similarly, the baffles 23 below the second conveyor 4 near the sorting and filling three-axis robot 10 are used to position the blister pack 35, facilitating precise sorting and gripping of mis-filled MIM products by the sorting and filling three-axis robot 10, and also facilitating the filling of qualified MIM products into the empty grooves of the blister pack 35.

[0026] The feeding pressing mechanism 15 and the discharging pressing mechanism 17 have the same structure, both including a mounting frame 25 and a pressing cylinder 26 mounted on the mounting frame 25. The mounting frame 25 is fixed on the support of the conveyor. The working end of the pressing cylinder 26 is provided with a pressing block 27. When running, the working end of the pressing cylinder 26 moves down, thereby driving the pressing block 27 to move down, pressing and tightening the neatly stacked blister trays 35, preventing loosening during the wrapping process and affecting the wrapping effect.

[0027] The destacking mechanism 7 and the stacking mechanism 14 have the same structure, both including a lifting cylinder 28 and a U-shaped frame 29 installed at the working end of the lifting cylinder 28. The lifting cylinder 28 is installed on the support of the conveyor. The two vertical frames of the U-shaped frame 29 are located on both sides of the conveyor. A translation cylinder 30 is provided at the upper end of the vertical frame. A horizontal bar 31 is provided at the working end of the translation cylinder 30. Vertical bars 32 are provided at both ends of the horizontal bar 31. A lifting plate 33 is provided on the inner side of the horizontal bar 31. The destacking mechanism 7 and the stacking mechanism 14 have the same structure. The operating principle of the destacking mechanism 7 is as follows: First, the blister trays 35 are stacked in the area enclosed by the four vertical bars 32. The lifting cylinder 28 is activated to adjust the height of the U-shaped frame 29, and then the height of the lifting plate 33 is adjusted so that the end of the lifting plate 33 is aligned with the position between the bottom layer blister tray 35 and the next bottom layer blister tray 35. Then, the translation cylinder 30 is activated so that the end of the lifting plate 33 is inserted into the bottom layer blister tray 35 and the next bottom layer blister tray 35. Between the trays 35, the lifting cylinder 28 is activated again. The lifting plate 33 lifts all the blister trays 35 above and below the bottom layer to a certain height, leaving only the bottom layer of blister trays 35. This layer of blister trays 35 is then conveyed forward by the first conveyor 3. Subsequently, the lifting cylinder 28 moves the remaining blister trays 35 down, and the lifting plate 33 is retracted, so that the neatly stacked blister trays 35 are placed on the first conveyor 3. By continuously repeating the above steps, the bottom layer of blister trays 35 can be continuously conveyed out in sequence. The stacking mechanism 14 operates as follows: The lifting cylinder 28 is activated to adjust the height of the U-shaped frame 29, thereby adjusting the height of the lifting plate 33 so that the end of the lifting plate 33 is positioned between the bottommost blister pack 35 and the surface of the second conveyor 4. Then, the translation cylinder 30 is activated, causing the end of the lifting plate 33 to insert between the bottommost blister pack 35 and the surface of the second conveyor 4. The lifting cylinder 28 is activated again, and the lifting plate 33 lifts all the blister packs 35 onto the conveyor belt. After being moved to a certain height, the second conveyor 4 transports the new blister tray 35 to the position of the stacking mechanism 14, placing it below the lifted blister tray 35. Subsequently, the lifting cylinder 28 drives the blister tray 35 down, retracting the lifting plate 33. All the blister trays 35 are now on the new blister tray 35, which becomes the bottom layer. By continuously repeating the above steps, new blister trays 35 can be continuously stacked below the remaining blister trays 35, completing the stacking of the blister trays 35. The above embodiment is only one structure of the destacking mechanism 7 and the stacking mechanism 14. In actual use, other forms of destacking and stacking structures can also be used to meet the requirements of this device.

[0028] The vertical strip 32 has an L-shaped cross-section. In actual use, the vertical strip 32 can be installed at the four corners of the blister tray 35. The two sides of the L-shaped vertical strip 32 simultaneously limit and fix the two sides of the blister tray 35, further ensuring that the blister tray 35 can be stacked neatly during destacking and stacking, which facilitates subsequent operations.

[0029] The end of the lifting plate 33 is toothed. When in use, the end of the lifting plate 33 extends under the corresponding blister tray 35 and then lifts the blister tray 35 upward. The toothed structure allows the end of the lifting plate 33 to be easily inserted under the blister tray 35, making the operation and running smoother and preventing jamming.

[0030] Platform 2 is equipped with a protective cover 34, which can be a metal frame structure. The protective cover 34 covers all the mechanisms and components set on and next to the first conveyor 3 to the fourth conveyor 6, the destacking mechanism 7, the three-axis detection robot 8, etc., effectively protecting them. It has the functions of dust prevention, dirt prevention, and collision prevention, ensuring that the device is not damaged by the outside world.

Claims

1. A MIM product mix sorting and packaging apparatus comprising a frame (1) and a platform (2) disposed on the frame (1), characterized in that: The first conveyor (3), the second conveyor (4), the third conveyor (5) and the fourth conveyor (6) are sequentially and sequentially connected in the material conveying direction on the platform (2), the first conveyor (3) is provided with a unstacking mechanism (7) at the feeding end, one side of the first conveyor (3) is provided with a detection three-axis manipulator (8) at the discharging end, the working end of the detection three-axis manipulator (8) is provided with a camera (9), one side of the feeding end of the second conveyor (4) is provided with a sorting and filling three-axis manipulator (10), a material supplementing disc (11) and an unqualified product collecting box (12), the working end of the sorting and filling three-axis manipulator (10) is provided with a suction disc assembly (13), the discharging end of the second conveyor (4) is provided with a stacking mechanism (14), the feeding end of the third conveyor (5) is provided with a feeding pressure disc mechanism (15), and the feeding end of the fourth conveyor (6) is sequentially provided with a film winding mechanism (16) and a discharging pressure disc mechanism (17).

2. A MIM product sorting and packaging apparatus as defined in claim 1, wherein: The film winding mechanism (16) comprises an annular mounting plate (18) and a gear ring (19), the side surface of the gear ring (19) is slidably and rotatably connected with the annular mounting plate (18), the annular mounting plate (18) and the gear ring (19) are sleeved on the feeding end of the fourth conveyor (6), the other side surface of the gear ring (19) is provided with a film rack (20), the support of the fourth conveyor (6) is provided with a film winding motor (21), and the output shaft of the film winding motor (21) is provided with a driving gear (22) engaged with the gear ring (19).

3. A MIM product sorting and packaging apparatus as defined in claim 1, wherein: The first conveyor (3) and the second conveyor (4) are the same structure belt conveyors, the conveying belt of the belt conveyor is a hollow structure with a middle part broken, a blocking strip (23) is arranged below the first conveyor (3) close to the detection three-axis manipulator (8), below the second conveyor (4) close to the sorting and filling three-axis manipulator (10) and below the discharging end of the second conveyor (4), and a positioning cylinder (24) for driving the blocking strip (23) to move up and down is arranged on the support of the conveyor.

4. The MIM product sorting and packaging apparatus of claim 1 wherein: The feeding pressure disc mechanism (15) and the discharging pressure disc mechanism (17) are the same structure, and each comprises a mounting frame (25) and a pressure disc cylinder (26) arranged on the mounting frame (25), the mounting frame (25) is fixed on the support of the conveyor, and the working end of the pressure disc cylinder (26) is provided with a pressing block (27).

5. The MIM product sorting and packaging apparatus of claim 1 wherein: The unstacking mechanism (7) and the stacking mechanism (14) are the same structure, each comprising a lifting cylinder (28) and a U-shaped frame (29) arranged at the working end of the lifting cylinder (28), the lifting cylinder (28) is arranged on the support of the conveyor, the two vertical frames of the U-shaped frame (29) are respectively located on the two sides of the conveyor, the upper end of the vertical frame is provided with a translation cylinder (30), the working end of the translation cylinder (30) is provided with a horizontal bar (31), the two ends of the horizontal bar (31) are provided with vertical bars (32), and a lifting plate (33) is arranged on the inner side of the horizontal bar (31).

6. A MIM product sorting and packaging apparatus as defined in claim 5, wherein: The vertical bar (32) has an L-shaped cross section.

7. A MIM product sorting and packaging apparatus as defined in claim 5, wherein: The end of the lifting plate (33) is a sharp tooth.

8. A MIM product sorting and packaging apparatus as defined in claim 1, wherein: The platform (2) is provided with a protective cover (34).

Images