A material distribution device and a material handling device

Abstract

This application discloses a material distribution device, including a feeding mechanism, a lifting mechanism, a detection and alignment mechanism, a correction and conveying mechanism, a flipping mechanism, and a transition fixture. The detection and alignment mechanism includes a detection mechanism and an alignment mechanism. The feeding mechanism supplies products to the lifting mechanism, which then pushes the products from the feeding mechanism one by one to the alignment mechanism. The detection mechanism detects the placement orientation of the products and whether they are in the detection position. The alignment mechanism pushes products that are not in the detection position back to the detection position. The correction and conveying mechanism corrects the orientation of products with incorrect placement based on the detection results. The flipping mechanism flips the products with correct placement orientation. The correction and conveying mechanism picks up the flipped products and places them in the transition fixture, thereby facilitating subsequent handling. This application also discloses a conveying device including the above-mentioned material distribution device.

Description

Technical Field

[0001] This utility model relates to the field of material feeding and dispensing technology, and in particular to a material dispensing device and a conveying device. Background Technology

[0002] In existing technologies, automatic feeding or dispensing devices are commonly used for loading and conveying curved iron parts or similar shaped products. However, in practical applications, there are still many shortcomings. Currently, most feeding methods still rely on vibratory feeders, but when the iron parts are large or heavy, the vibratory feeder not only has poor feeding stability but also suffers from limited feeding capacity and frequent refilling, seriously affecting production efficiency. In addition, during the positioning of iron parts, sensors are often used to determine the presence and orientation of the iron parts, but this detection method has a probability of misjudgment, especially when the iron parts do not fall accurately into the detection position, which can easily cause detection failure or correction failure.

[0003] During the calibration phase, traditional structures often use grippers to directly pick up the product for orientation correction. However, if the metal part is not in the accurate position or the orientation is misidentified, gripping may fail, leading to material distribution errors. Furthermore, existing material distribution systems are mostly single-cavity or double-cavity arrangements, which cannot meet the needs of continuous feeding of multiple cavities (e.g., 8 cavities). This causes downstream gripping mechanisms to wait frequently, reducing overall automation efficiency. Utility Model Content

[0004] In view of this, the purpose of this utility model is to provide a material dispensing device that can perform stable, accurate and efficient material dispensing operations on products with curvature.

[0005] This utility model provides a material sorting device for sorting products, including a feeding mechanism, a lifting mechanism, and a detection and pushing mechanism arranged sequentially along the product conveying direction; a correction and conveying mechanism and a flipping mechanism arranged opposite to each other on both sides of the detection and pushing mechanism; and a transition fixture for placing multiple products. The detection and pushing mechanism includes a detection mechanism and a pushing mechanism arranged perpendicular to the product conveying direction. The feeding mechanism supplies products to the lifting mechanism, and the lifting mechanism pushes the products on the feeding mechanism one by one to the pushing mechanism. The detection mechanism detects the placement direction of the products and whether they are in the detection position. The pushing mechanism pushes products that are not in the detection position back to the detection position. The correction and conveying mechanism corrects the orientation of products with incorrect placement based on the detection results. The flipping mechanism flips the products with correct placement. The correction and conveying mechanism also grabs the flipped products and places them in the transition fixture for convenient subsequent handling.

[0006] In one embodiment, the lifting mechanism includes a lifting base, a hopper disposed on top of the lifting base, and a layering assembly. The hopper is inclined relative to the detection mechanism. The hopper includes a base plate, side plates connected to both sides of the base plate, and a plurality of fixed plates disposed between the two side plates. The plurality of fixed plates are arranged in a stepped manner along the inclined direction, and a feed port for the product to pass through is formed between adjacent fixed plates.

[0007] In one embodiment, the layer-pushing assembly includes a layer-pushing cylinder and a layer-pushing structure drivenly connected to the layer-pushing cylinder. The layer-pushing structure includes multiple layer-pushing plates parallel to and corresponding to the fixed plate. The multiple layer-pushing plates are also arranged in a stepped interval. They are used to enter the hopper through the feed port under the drive of the layer-pushing cylinder, lift the product in the hopper, and allow the product to slide down onto the corresponding fixed plate under gravity; and to retract from the hopper under the drive of the layer-pushing cylinder, allowing the product on the corresponding fixed plate to fall from the feed port onto the layer-pushing plate, thereby pushing the product upward step by step until the top fixed plate pushes the product out to the pushing mechanism.

[0008] In one embodiment, the push-alignment mechanism includes two oppositely arranged support blocks for carrying the product, a push-alignment cylinder disposed between the two support blocks, and a push-alignment plate connected to the push-alignment cylinder. The push-alignment plate is used to push the product upward when the detection mechanism does not detect that the product is in the detection position, so that the product slides back to the detection position between the support blocks, thereby ensuring accurate positioning of the product.

[0009] In one embodiment, the correction and handling mechanism includes a fixed bracket, a mounting plate mounted on the bracket, and a correction mechanism and a first handling mechanism mounted on the mounting plate that are movable relative to the bracket. The correction mechanism includes a first extension plate connected to the mounting plate, a first rotary cylinder mounted on the first extension plate, and a first clamping cylinder drivenly connected to the rotary cylinder. The first clamping cylinder is used to clamp products on the material support block, and the first rotary cylinder is used to drive the first clamping cylinder to rotate according to the detection result of the detection mechanism, so as to perform orientation correction processing on products with incorrect placement and to grab products with correct placement to the flipping mechanism.

[0010] In one embodiment, the flipping mechanism includes a fixedly mounted flipping base, a second rotary cylinder mounted on the flipping base, and a second clamping cylinder drively connected to the second rotary cylinder. The second clamping cylinder is used to clamp the product transferred by the first clamping cylinder, and the second rotary cylinder is used to drive the second clamping cylinder to rotate, so that the product is flipped at a preset angle to meet the placement direction required for subsequent handling or assembly.

[0011] In one embodiment, the first conveying mechanism includes a second extension plate connected to the mounting plate and a third clamping cylinder disposed on the second extension plate. The third clamping cylinder is used to clamp the product after it has been flipped by the second rotary cylinder and convey the product to the transition fixture to complete the initial material distribution of the product.

[0012] In one embodiment, the transition fixture includes a support plate and a plurality of positioning holes disposed on the support plate. The plurality of positioning holes are arranged at intervals in a horizontal direction for sequentially receiving a plurality of products transported by a first transport mechanism. It also includes a transverse drive assembly for driving the support plate to move between a plurality of preset positions to cooperate with the first transport mechanism to place the products into each hole one by one.

[0013] This utility model also provides a handling device, including a second handling mechanism, a jig mechanism, and a material distribution device as described in the above embodiment. The transition jig of the material distribution device is disposed between the second handling mechanism and the jig mechanism. The jig mechanism includes multiple jigs having multiple material distribution holes. The second handling mechanism is used to simultaneously pick up at least two flipped products from the transition jig and handle and place the products into the material distribution holes.

[0014] In one embodiment, the second conveying mechanism includes a lateral movement module, a vertical drive component, and a gripping component; the lateral movement module is used to drive the gripping component to reciprocate along a first direction; the vertical drive component is mounted on the lateral movement module and is used to drive the gripping component to move up and down along a second direction; the gripping component includes two gripper structures, which are spaced apart and correspond to multiple holes in the transition fixture, respectively, for simultaneously gripping multiple products and placing them in multiple material distribution holes of the fixture mechanism.

[0015] This utility model provides a material distribution device that can perform stable, accurate and efficient material distribution operations on products with curvature. Through the coordinated use of optimized feeding, lifting, detection, correction, flipping and handling mechanisms, it realizes full automation of the product from stacking and feeding to multi-cavity positioning output. It solves the problems of low feeding efficiency, easy misjudgment of direction recognition, high failure rate of clamping and inability to distribute materials in existing technologies, thereby improving the automation level and operation cycle of the overall assembly production. Attached Figure Description

[0016] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is an overall structural diagram of a material dispensing device provided in a preferred embodiment of the present invention.

[0018] Figure 2 This is a schematic diagram of the feeding mechanism provided in a preferred embodiment of the present invention.

[0019] Figure 3 A schematic diagram of the push-up mechanism provided in a preferred embodiment of this utility model.

[0020] Figure 4 A schematic diagram of the correction and conveying mechanism provided in a preferred embodiment of this utility model.

[0021] Figure 5 This is a schematic diagram of the flipping mechanism provided in a preferred embodiment of the present invention.

[0022] Figure 6 A schematic diagram of the fixture mechanism provided in a preferred embodiment of this utility model.

[0023] Figure label:

[0024] 1. Feeding mechanism; 2. Lifting mechanism; 3. Detection and alignment mechanism; 4. Tilting mechanism; 5. Correction and handling mechanism; 6. Transition fixture; 7. Second handling mechanism; 8. Fixture mechanism; 201. Lifting base; 202. Base plate; 203. Side plate; 204. Fixing plate; 205. Layer push cylinder; 206. Layer push plate; 31. Detection mechanism; 32. Alignment mechanism; 321. Material support block; 322. Alignment plate; 323. Alignment cylinder; 401. Tilting mechanism; 402. Rotary base; 403. Second rotary cylinder; 501. Second clamping cylinder; 502. Bracket; 503. Mounting plate; 504. First extension plate; 505. First rotary cylinder; 506. Second extension plate; 507. Third clamping cylinder; 601. Bearing plate; 602. Positioning hole; 701. Lateral movement module; 702. Vertical drive assembly; 703. Clamping assembly; 801. Fixture; 802. Material distribution hole. Detailed Implementation

[0025] The specific embodiments of this utility model will now be described in detail with reference to the accompanying drawings. Obviously, the described embodiments are merely some, not all, of the embodiments of this utility model. Based on the description of this utility model, all other embodiments obtained by those skilled in the art without inventive effort are within the scope of protection of this utility model.

[0026] In the description of this utility model, unless otherwise explicitly specified and limited, the terms "set," "install," and "connect," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms according to the specific circumstances.

[0027] The terms “upper,” “lower,” “left,” “right,” “front,” “back,” “top,” “bottom,” “inner,” and “outer,” etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product is in use. They are used only for the convenience of description and simplification, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0028] The terms “first,” “second,” “third,” etc., are used merely to distinguish elements with similar properties, not to indicate or imply relative importance or a specific order.

[0029] The terms “include,” “comprising,” or any other variation thereof are intended to cover non-exclusive inclusion, which includes not only the elements listed but also other elements not expressly listed.

[0030] Please refer to Figure 1 The present invention provides a material distribution device for distributing products with curvature, including a feeding mechanism 1, a lifting mechanism 2 and a detection and straightening mechanism 3 arranged sequentially along the product conveying direction, a correction and handling mechanism 5 and a flipping mechanism 4 arranged opposite to each other on both sides of the detection and straightening mechanism 3, and a transition fixture 6 for placing multiple products.

[0031] The detection and alignment mechanism 3 includes a detection mechanism 31 and an alignment mechanism 32 arranged perpendicular to the product conveying direction; the feeding mechanism 1 is used to supply products to the lifting mechanism 2, and the lifting mechanism 2 is used to push the products on the feeding mechanism 1 to the lifting mechanism 32 one by one; the detection mechanism 31 is used to detect the placement direction of the products and whether they are in the detection position, and the alignment mechanism 32 is used to push the products that are not in the detection position back to the detection position; the correction and handling mechanism 5 is used to correct the orientation of products with incorrect placement according to the detection results, the flipping mechanism 4 is used to flip the products with correct placement, and the correction and handling mechanism 5 is also used to grab the flipped products and place them in the transition fixture 6, so as to facilitate subsequent handling.

[0032] like Figure 2 As shown, the lifting mechanism 2 includes a lifting base 201, a hopper mounted on top of the lifting base 201, and a layer-pushing assembly located behind the hopper. The hopper is arranged at an angle relative to the detection mechanism 31 to utilize gravity to assist in product positioning. The hopper includes a base plate 202, with two side plates 203 fixedly connected to both sides of the base plate 202. Multiple fixing plates 204 are arranged between the two side plates 203 in a stepped manner along the inclined direction, forming a feed inlet between adjacent fixing plates 204 for product layer-by-layer transfer.

[0033] The layer-pushing assembly includes a layer-pushing cylinder 205 and a layer-pushing structure. The layer-pushing structure has multiple layer-pushing plates 206 that are spaced apart from the fixed plate 204, and the multiple layer-pushing plates 206 are also arranged in a stepped manner. The layer-pushing cylinder 205 drives the layer-pushing plates 206 to reciprocate between the feed inlets to achieve the layer-by-layer propulsion of the product.

[0034] In actual operation, products enter the hopper from the conveyor belt under gravity and accumulate at the bottom. When the layer-pushing cylinder 205 drives the layer-pushing plate 206 to move, the layer-pushing plate 206 inserts into the product pile through the feed port, pushing the lowest layer of products upwards, causing them to slide down and stop sequentially on the adjacent higher-level fixed plate 204. Subsequently, the layer-pushing cylinder 205 reverses and retracts the layer-pushing plate 206 to its original position. At this time, the products on the fixed plate 204 fall again under gravity onto the next set of layer-pushing plates 206. The layer-pushing plate 206 repeats the above action, pushing the products upwards layer by layer. Each feed port serves as a transfer node, eventually pushing the top layer of products to a position flush with the top fixed plate 204 of the hopper and sending them to the lifting mechanism 32 for further processing. This achieves the individual separation and stable output of the stacked products, ensuring that the single-piece feeding and subsequent inspection rhythm are consistent.

[0035] As shown in Figure 3, the alignment mechanism 32 includes two opposing material support blocks 321, an alignment cylinder 323 positioned between the two material support blocks 321, and an alignment plate 322 connected to the output end of the alignment cylinder 323. The two material support blocks 321 are fixedly installed on both sides of the detection area, each with an inwardly opening V-shaped notch for horizontal positioning and lifting of the product entering the detection area, ensuring the product remains stably at the lowest point of the V-shaped structure for orientation and position detection. The alignment cylinder 323 is fixed below the material support blocks 321, and its output end drives the alignment plate 322 in reciprocating motion via a connecting structure. The alignment plate 322 is located in the space below the material support blocks 321. When the detection mechanism 31 does not detect the product in the detection position, the alignment cylinder 323 activates, pushing the alignment plate 322 upward to lift the product stuck in an improper position, causing the product to slide back down under the guidance of the V-shaped structure, eventually returning to the detection center position between the two material support blocks 321.

[0036] like Figure 4 As shown, the correction and handling mechanism 5 includes a bracket 501, a mounting plate 502 mounted on the bracket 501, and a correction mechanism and a first handling mechanism disposed on the mounting plate 502 and capable of horizontal movement relative to the bracket 501. The correction mechanism is used to correct the orientation of products that are placed in the wrong orientation.

[0037] The correction mechanism includes a first extension plate 503 connected to the front end of the mounting plate 502. A first rotary cylinder 504 is mounted on the first extension plate 503, and the output end of the first rotary cylinder 504 is connected to a first clamping cylinder 505. The first clamping cylinder 505 is arranged facing the detection area and is used to clamp the product located at the detection position of the material support block 321. After the product has been detected, if the detection mechanism 31 determines that the product orientation is incorrect, the first clamping cylinder 505 clamps the product and, driven by the first rotary cylinder 504, performs orientation rotation correction. The rotation angle is automatically controlled according to the detection result until the product reaches the set orientation requirement. After correction is completed, or if the product orientation was originally correct, the first clamping cylinder 505 maintains the clamping state, lifts the product from the material support block 321, and transports it to the position of the flipping mechanism 4 for flipping operation, completing the subsequent material distribution process.

[0038] In this embodiment, as Figure 5As shown, the flipping mechanism 4 includes a fixedly mounted flipping base 401, on which a second rotary cylinder 402 is mounted. The output end of the second rotary cylinder 402 is connected to a second clamping cylinder 403. The second clamping cylinder 403 is arranged towards the correction and conveying mechanism 5 and is used to clamp the product transferred to the flipping position by the first clamping cylinder 505. After the product is clamped, the second rotary cylinder 402 drives the second clamping cylinder 403 to rotate around a horizontal axis, so that the product is flipped at a preset angle, such as 180 degrees, to meet the requirements of the product orientation in subsequent handling or assembly processes.

[0039] Specifically, the first conveying mechanism includes a second extension plate 506 connected to the mounting plate 502 and a third clamping cylinder 506 disposed on the second extension plate 506. The third clamping cylinder 506 is used to clamp the product after it has been flipped by the second rotary cylinder 402 and convey the product to the transition fixture 6 to complete the initial material distribution of the product.

[0040] In this embodiment, as Figure 6 As shown, the transition fixture 6 includes a support plate 601, a plurality of positioning holes 602 disposed on the support plate 601, and a transverse drive assembly. The plurality of positioning holes 602 are arranged at intervals in the horizontal direction for receiving a plurality of products transported by the first transport mechanism in sequence. The transverse drive assembly is used to drive the support plate 601 to move between a plurality of preset positions to cooperate with the first transport mechanism to place the products into each hole one by one.

[0041] This utility model embodiment also provides a handling device, including a second handling mechanism 7, a fixture mechanism 8, and a material distribution device as described in the above embodiment. The transition fixture 6 of the material distribution device is disposed between the second handling mechanism 7 and the fixture mechanism 8. The fixture mechanism 8 includes a plurality of fixtures 801 having a plurality of material distribution holes 802. The second handling mechanism 7 is used to simultaneously pick up at least two flipped products from the transition fixture 6 and handle and place the products into the material distribution holes 802.

[0042] In one embodiment, the second conveying mechanism 7 includes a transverse module 701, a vertical drive component 702, and a gripping component 703; the transverse module 701 is used to drive the gripping component 703 to reciprocate along a first direction (i.e., the horizontal direction); the vertical drive component 702 is mounted on the transverse module 701 and is used to drive the gripping component 703 to move up and down along a second direction (i.e., the vertical direction); the gripping component 703 includes two gripper structures, which are spaced apart and correspond to multiple holes in the transition fixture 6, respectively, for simultaneously gripping multiple products and placing them in multiple material distribution holes 802 of the fixture mechanism 8.

[0043] In summary, this utility model, through the coordinated use of optimized feeding, lifting, detection, correction, flipping, and handling mechanisms, achieves full automation of the product from stacking and feeding to multi-cavity positioning and output. It solves the problems of low feeding efficiency, easy misjudgment of direction recognition, high clamping failure rate, and inability to divide materials into multiple cavities in the prior art, thereby improving the automation level and work cycle of the overall assembly production.

[0044] It should be noted that the various embodiments in this specification are described in a progressive manner, with each embodiment focusing on the differences from other embodiments. The same or similar parts between the various embodiments can be referred to each other.

[0045] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the appended claims.

Claims

1. A dispensing device for dispensing products, characterized in that, It includes a feeding mechanism (1), a lifting mechanism (2) and a detection and straightening mechanism (3) arranged sequentially along the product conveying direction, a correction and handling mechanism (5) and a flipping mechanism (4) arranged opposite to each other on both sides of the detection and straightening mechanism (3), and a transition fixture (6) for placing multiple products; the detection and straightening mechanism (3) includes a detection mechanism (31) and a straightening mechanism (32) arranged perpendicular to the product conveying direction. The feeding mechanism (1) is used to supply products to the lifting mechanism (2), and the lifting mechanism (2) is used to push the products on the feeding mechanism (1) one by one to the pushing mechanism (32); the detection mechanism (31) is used to detect the placement direction of the products and whether they are in the detection position, and the pushing mechanism (32) is used to push the products that are not in the detection position back to the detection position; the correction and handling mechanism (5) is used to correct the orientation of products with incorrect placement according to the detection results, the flipping mechanism (4) is used to flip the products with correct placement, and the correction and handling mechanism (5) is also used to grab the flipped products and place them in the transition fixture (6).

2. The apparatus of claim 1, wherein The lifting mechanism (2) includes a lifting base (201), a hopper disposed on the top of the lifting base (201), and a layering assembly. The hopper is inclined relative to the detection mechanism (31). The hopper includes a base plate (202), side plates (203) connected to both sides of the base plate (202), and multiple fixing plates (204) disposed between the two side plates (203). The multiple fixing plates (204) are arranged in a stepped manner along the inclined direction, and an inlet for the product to pass through is formed between adjacent fixing plates (204).

3. The apparatus of claim 2, wherein The layer pushing assembly includes a layer pushing cylinder (205) and a layer pushing structure connected to the layer pushing cylinder (205). The layer pushing structure includes multiple layer pushing plates (206) that are parallel to and corresponding to the fixed plate (204). The multiple layer pushing plates (206) are also arranged in a stepped manner and are used to lift the product onto the fixed plate (204) through the feed port under the drive of the layer pushing cylinder (205), and to make the product fall to the next layer pushing plate (206) during the retraction process, so as to realize the step-by-step upward push until the product is pushed out to the pushing and straightening mechanism (32).

4. The apparatus of claim 1 wherein, The pushing mechanism (32) includes two oppositely arranged support blocks (321) for carrying products, a pushing cylinder (323) disposed between the two support blocks (321), and a pushing plate (322) connected to the pushing cylinder (323). The pushing plate (322) is used to lift the product and make the product slide back to the detection position between the support blocks (321).

5. The apparatus of claim 4 wherein, The correction and handling mechanism (5) includes a fixed bracket (501), a mounting plate (502) mounted on the bracket (501), and a correction mechanism and a first handling mechanism mounted on the mounting plate (502) that can move relative to the bracket (501). The correction mechanism includes a first extension plate (503) connected to the mounting plate (502), a first rotary cylinder (504) mounted on the first extension plate (503), and a first clamping cylinder (505) connected to the rotary cylinder. The first clamping cylinder (505) is used to clamp the product on the material support block (321). The first rotary cylinder (504) is used to drive the first clamping cylinder (505) to rotate, so as to perform orientation correction processing on the product with incorrect placement and grab the product with correct placement to the flipping mechanism (4).

6. The apparatus of claim 5, wherein, The flipping mechanism (4) includes a fixed flipping base (401), a second rotary cylinder (402) mounted on the flipping base (401), and a second clamping cylinder (403) connected to the second rotary cylinder (402). The second clamping cylinder (403) is used to clamp the product transferred by the first clamping cylinder (505), and the second rotary cylinder (402) is used to drive the second clamping cylinder (403) to rotate, so that the product flips at a preset angle.

7. The apparatus of claim 6 wherein, The first conveying mechanism includes a second extension plate (506) connected to the mounting plate (502) and a third clamping cylinder (506) disposed on the second extension plate (506). The third clamping cylinder (506) is used to clamp the product after it has been flipped by the second rotary cylinder (402) and convey the product to the transition fixture (6).

8. The apparatus of claim 1 wherein, The transition fixture (6) includes a support plate (601) and a plurality of positioning holes (602) disposed on the support plate (601). The plurality of positioning holes (602) are arranged at intervals in the horizontal direction for receiving a plurality of products transported by the first transport mechanism in sequence.

9. A handling device, characterized in that The device includes a second conveying mechanism (7), a jig mechanism (8), and a dispensing device as described in any one of claims 1-8. The transition jig (6) of the dispensing device is disposed between the second conveying mechanism (7) and the jig mechanism (8). The jig mechanism (8) includes a plurality of jigs (801) having a plurality of dispensing slots (802). The second conveying mechanism (7) is used to simultaneously pick up at least two flipped products from the transition jig (6) and transport and place the products into the dispensing slots (802).

10. The handling device of claim 9, wherein, The second conveying mechanism (7) includes a transverse module (701), a vertical drive assembly (702), and a clamping assembly (703); the transverse module (701) is used to drive the clamping assembly (703) to reciprocate along a first direction; the vertical drive assembly (702) is mounted on the transverse module (701) and is used to drive the clamping assembly (703) to rise and fall along a second direction; the clamping assembly (703) is used to clamp multiple products simultaneously and place them respectively in multiple material distribution slots (802) of the fixture mechanism (8).

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