Needle base feeding mechanism and medical needle tube feeding production line

Abstract

The utility model discloses a needle seat feeding mechanism and a medical needle tube feeding production line. The feeding mechanism comprises a machine frame, a material returning platform is arranged above the machine frame, the feeding platform is composed of a plurality of material conveying channels arranged side by side, each material conveying channel is composed of a material arranging section, a material distributing section, a material selecting section and a material discharging section which are sequentially connected, and a feeding port of the material arranging section is connected with a feeding device. The material distributing section comprises a first feeding channel and a second feeding channel which are sequentially connected and arranged in a step shape, and an air blowing device is arranged above the material distributing section. Material supplying and material screening are combined, material arranging, material distributing and material selecting can be achieved in the material supplying process, finally, material taking is matched, the effect of controlling the number, the direction and the orientation of the materials can be achieved in the material supplying process, and the material distributing efficiency is improved. A traditional feeding structure is simplified, and the effects of reducing the production cost, reducing the occupied area of the feeding device, being easy to operate and increasing the feeding speed and efficiency are achieved.

Description

Technical Field

[0001] The utility model relates to a needle seat feeding mechanism, in particular to a needle seat feeding mechanism and a medical syringe feeding production line. Background Art

[0002] The feeding mechanism is the start of production equipment or production lines, involved in various industries, with a wide variety and complex styles. Therefore, various feeding mechanisms have emerged. Its ultimate goal is to supply the materials to be fed to the whole machine according to the directions and paths required by the equipment. For example, one end needs to be arranged along the conveying direction of the material, or it needs to be discharged at a certain angle, etc.

[0003] Nowadays, the most common method is to use a combination of circular vibration and linear vibration for automatic feeding. The vibrating disk can only meet ordinary feeding requirements. The special mechanism on the circular vibrating disk is used to distinguish the direction of the materials, and the materials required by the equipment are screened out. The linear vibrating chute is used to store the materials to meet the requirements of the equipment beat. The cooperation of the circular vibration and the linear vibration achieves the purpose of automatic feeding.

[0004] However, due to the limitation of the shape of the conventional circular vibrating disk, the amplitudes of the inner and outer channels are inconsistent. Therefore, it is impossible to ensure the consistency of the feeding direction and quantity. The structure is complex, it does not have the function of screening materials, and the feeding efficiency is low, resulting in a decrease in production efficiency and inability to meet the more efficient production requirements. Summary of the Invention

[0005] The purpose of the utility model is to solve the above-mentioned deficiencies of the prior art, and provide a needle seat feeding mechanism and a medical syringe feeding production line. What this application solves is that the existing feeding device has a complex structure, low efficiency in screening and feeding materials, and low production efficiency.

[0006] A needle seat feeding mechanism includes a frame. A return material platform is arranged above the frame, and a feeding platform is fixedly installed on the return material platform. The feeding platform is composed of multiple parallel arranged feeding chutes. Each feeding chute is composed of a material arranging section, a material distributing section, a material selecting section, and a discharging section connected in sequence. The feeding port of the material arranging section is connected to a feeding device. The material distributing section includes a first feeding channel and a second feeding channel which are connected in sequence and arranged in a stepped manner. A blowing device is arranged above the material distributing section. The blowing device includes multiple blowing components that blow air towards the connection of the first feeding channel and the second feeding channel.

[0007] In this application, the materials are respectively conveyed into the feeding chutes through the feeding device. The materials pass through the material arranging section, the material distributing section, the material selecting section, and the discharging section in sequence in the feeding chutes, and finally are taken out through the material taking part, so as to carry out the next working step.

[0008] When the material enters the material sorting section, a part of the material will fall onto the return material platform, and another part of the material will enter the material sorting channel and move within the material sorting channel, playing the role of material sorting and guiding, so that the material enters the sorting section in sequence along the specified direction for sorting;

[0009] During sorting, since the first feeding channel and the second feeding channel are arranged in a stepped manner, a height difference will be formed between the first feeding channel and the second feeding channel. When the material is being transported, it falls from the first feeding channel with a higher height to the second feeding channel with a lower height. The blowing assembly blows air towards the height difference. During this process, in one case, the material is a single piece of material. When the single piece of material is transported to the height difference position, the end of the single piece of material will instantaneously drop, thus avoiding the gas blown by the blowing assembly and being unaffected by its blowing, so that the single piece of material can continue to be transported towards the material selection section;

[0010] In another case, the materials are inserted into each other to form inter-inserted materials. When the inter-inserted materials are transported to the height difference position, the ends of the inter-inserted materials will not drop immediately, thus being unable to avoid the gas blown by the blowing assembly. At this time, the gas blows towards the ends of the inter-inserted materials, and the inter-inserted materials will immediately fall onto the return material platform, so that the inter-inserted materials that do not meet the requirements can be picked out. The inter-inserted materials that fall onto the return material platform will enter the material conveying channel again through the feeding device, and thus are screened and fed again.

[0011] Furthermore, the feeding device includes a hoist and a storage device that are connected in sequence. The hoist is connected to the return material platform through a material conveying channel.

[0012] In this application, the hoist transports the material into the storage device, and the material drops inside the storage device. During this process, due to the extremely high height difference, it has the function of dispersing the material. The inter-inserted materials are scattered by the free fall of the material, reducing the situation of material inter-insertion. The hoist transports the material to be fed into the storage device, and at the same time transports the material on the return material platform into the storage device again for re-dispersing and transporting.

[0013] Furthermore, the material selection section is composed of multiple sets of material selection channels. Each set of material selection channels includes multiple screening channels. The ends of adjacent screening channels are arranged at different heights, forming a stepped structure. A material dropping opening that is only large enough for one material to drop and is connected to the return material platform is provided between two adjacent screening channels. The opening width of the feeding end of the material dropping opening is smaller than the opening width of the discharging end of the material dropping opening.

[0014] In this application, the length of the discharging end with a larger opening in the blanking opening is less than the overall length of the material. The shape of the needle base is such that one end has a larger port and the other end has a smaller port. Only the end with a smaller port of the needle base can slide through the part of the blanking opening with a smaller width. When the end with a larger port of the needle base is conveyed into it, the needle base will continue to move forward without falling. The part of the blanking opening with a larger width can ensure that the end with a larger port of the needle base falls. There are two situations for a single needle base material during transportation. One is that the end with a larger port faces forward, and the other is that the end with a smaller port faces forward. During transportation, the end with a smaller port needs to face forward. Therefore, it is necessary to screen out the single materials with the larger-port end facing forward through the material selection section. The single material first passes through the part with a smaller opening width during transportation and then passes through the part with a larger opening width. Since the sorting channel adopts a stepped structure, when the large-end of the single material faces forward, the large-end of the material first enters the part with a smaller opening. Since the width of the opening part is less than the width of the large-end of the material, the material is normally conveyed at the blanking opening at this time. Then, the large-end of the material will continue to move forward and run to the part with a larger opening. The part with a larger opening allows the large-end to fall. Therefore, the material will lose the supporting part. At this time, the large-end will fall from the part with a larger opening, and the small-end will fall from the part with a smaller opening and be conveyed to the feeding device through the return material platform for re-feeding.

[0015] When the small-end of the single material faces forward, the small-end of the material first enters the part with a smaller opening. Since the width of the opening part is less than the width of the large-end of the material, the material is normally conveyed at the blanking opening at this time. Then, the small-end of the material will continue to move forward and run to the part with a larger opening. Although the part with a larger opening can cause the whole material to fall, the large-end of the material will support the whole material. Therefore, the material continues to move forward without being affected. Since the length of the discharging end with a larger opening is less than the overall length of the material, the small-end will preferentially enter the next screening channel and play a supporting role, thereby driving the whole material through, achieving the functions of screening and distinguishing the large-end and small-end orientations of the material. The structure is simple, the distinguishing effect is obvious, and the distinguishing efficiency is high.

[0016] Further, the material arranging section is composed of multiple juxtaposed material arranging channels. The discharging ports of the material arranging channels correspond to the feeding ports of the first feeding channel one by one, and there are material arranging convex bars between adjacent material arranging channels.

[0017] In this application, when the feeding speed of the feeding device is relatively fast, there may be a situation of material accumulation on the material arranging section. Once accumulation occurs, the feeding speed and efficiency will be greatly reduced. Therefore, it is necessary to control the materials to enter the material arranging channels one by one through the material arranging convex bars. While scraping off the excess materials, it can correct the materials discharged in abnormal directions, effectively accelerating the material arranging speed and efficiency and ensuring the feeding effect.

[0018] Further, the channel depth of the second feeding channel is smaller than that of the first feeding channel.

[0019] In this application, there are two situations during the conveying process of the materials. One is a single material, and the other is that multiple materials are interspersed with each other. Since the channel depth of the second feeding channel is greater than that of the first feeding channel, a height difference can be formed during the conveying process, so as to effectively distinguish and separate the single material and the interspersed materials. The height difference between the first feeding channel and the second feeding channel can better assist the blowing device to sort the single material and the interspersed materials, improve the sorting accuracy and efficiency of the blowing assembly, ensure the stability and accuracy during the falling process of the materials, and also improve the feeding accuracy of the blowing assembly. There is a certain probability of separating the interspersed materials. At the same time, when too many materials accumulate in the feeding section, the blowing device can also blow the excess materials to the return material platform for re-sorting, avoiding affecting the sorting and feeding effect and accuracy, improving the sorting efficiency and accuracy of the sorting section, and achieving the effect of efficient sorting.

[0020] Further, the discharging section is composed of a plurality of discharging channels arranged in parallel, and the feeding ports of the discharging channels correspond to the discharging ports of the sorting channels one by one.

[0021] In this application, the discharging channels are communicated with the sorting channels. The materials are aligned through the aligning section to ensure that the running directions of the materials entering the feeding section are the same and are conveyed one by one. The materials enter the feeding section to distinguish and screen the single material and the interspersed materials. The interspersed materials are blown by the blowing assembly to the return material platform, and the single material continues to the material selection section. The material selection section distinguishes the ends of the materials to ensure that when all the materials are conveyed to the discharging section, the small head ends face forward and the large head ends face backward. Finally, the materials on the discharging channels are taken out through the material taking part.

[0022] Further, the blowing assembly includes a plurality of main blowing nozzles supplied with gas by a gas supply device. Blowing needles are communicated at the air outlets of the main blowing nozzles, and the inner diameter of the blowing needles is smaller than the inner diameter of the main blowing nozzles.

[0023] In this application, the gas is gathered by using the blowing needles with a smaller inner diameter, so that the blowing range is more concentrated after the gas is blown out, avoiding the mutual influence between adjacent blowing assemblies due to too large a blowing range, resulting in poor effect of the blowing assembly, improving the feeding accuracy of the blowing assembly, and better improving the feeding effect.

[0024] A medical syringe feeding production line includes a material taking part and the above-mentioned needle seat feeding mechanism. The material taking part includes a main pressing device and an auxiliary pressing device. The main pressing device includes an upper pressing mechanism that can be longitudinally adjusted independently. Below the upper pressing mechanism, there is a lower pressing mechanism that can be longitudinally and laterally adjusted independently. The upper pressing mechanism includes a plurality of upper pressing components and an upper control mechanism for controlling the movement of the upper pressing components. The lower pressing mechanism includes a lower pressing component and a lower control mechanism for controlling the movement of the lower pressing component. The lower pressing components correspond to the upper pressing components one by one, forming multiple groups of material transfer groups, and each group of material transfer groups corresponds to an outlet material channel;

[0025] The auxiliary pressing component includes a plurality of auxiliary pressing components and an auxiliary control mechanism for controlling the movement of the auxiliary pressing components. Each main pressing head corresponds to an outlet material channel.

[0026] The medical syringe feeding production line of this application applies the above-mentioned needle seat feeding mechanism. The feeding mechanism has the functions of feeding and screening materials, ensuring that the taking direction of the material taking part meets the requirements of production feeding, with higher cooperation and greatly increased feeding efficiency. The main pressing device presses one material to be stationary, and the auxiliary pressing device presses another material to be stationary. Then, the main pressing device is driven to move forward. If the material is a single material, the main pressing device drives the single material to move forward a certain distance. Finally, the main pressing device moves upward, driving the material to move upward into the next working station to complete the feeding work. If the material is an interlocking material, the main pressing device drives one of the interlocking materials forward, and the other corresponding inserted material remains stationary to achieve mutual separation, thereby forming a single material. Then, the main pressing device moves upward, driving the material to move upward into the next working station to complete the feeding work.

[0027] Beneficial effects:

[0028] This application combines feeding and screening materials. During the feeding process, the materials can be sorted, separated, and selected, and finally cooperate with the material taking, achieving the effects of controlling the number, direction, and orientation of the materials during the feeding process, simplifying the traditional feeding structure, reducing production costs, reducing the floor area of the feeding device, being easy to operate, and accelerating the feeding speed and efficiency.

[0029] This application sets a first feeding channel and a second feeding channel connected in a stepped manner, which can form a height difference during the conveying process and cooperate with the blowing component, thereby effectively distinguishing and separating single materials and interlocking materials, improving the sorting accuracy and efficiency of the blowing component. At the same time, when too many materials accumulate in the material separation section, the blowing device can also blow the excess materials to the return material platform for re-selection, avoiding affecting the sorting and feeding effect and accuracy, improving the sorting efficiency and accuracy of the sorting section, achieving the effect of high-efficiency sorting, with a simple structure, helping to accelerate the screening efficiency, realizing circular feeding, and meeting the high-output requirements of the feeding equipment. Description of the drawings

[0030] Figure 1 is the overall structure diagram of the medical syringe feeding production line;

[0031] Figure 2 is the front structure diagram of the feeding mechanism;

[0032] Figure 3 is the top view of the feeding mechanism;

[0033] Figure 4 is the partial enlarged view of the material distribution section;

[0034] Figure 5 is the top view layout plan of the material selection section;

[0035] Figure 6 is the three-dimensional structure diagram of the material taking part;

[0036] Figure 7 is the plane layout plan of the material taking part;

[0037] Figure 8 is the partial three-dimensional structure diagram of the feeding mechanism.

[0038] In the figure, 1. elevator; 2. storage device; 3. frame; 4. return material platform; 5. material arranging section; 6. blowing device; 61. blowing assembly; 62. blowing needle; 7. material selection section; 8. discharging section; 9. material distribution section; 91. first feeding channel; 92. second feeding channel; 10. screening material channel; 11. material arranging material channel; 12. auxiliary material pressing device; 121. auxiliary material pressing assembly; 122. auxiliary control mechanism; 13. main material pressing device; 131. lower material pressing mechanism; 132. upper material pressing mechanism; 133. upper material pressing assembly; 134. upper control mechanism; 135. lower control mechanism; 136. lower material pressing assembly; 14. blanking opening. Specific embodiments

[0039] To deepen the understanding of the present utility model, the present utility model will be further described in detail below in combination with embodiments and drawings. The embodiments are only used to explain the present utility model and do not constitute a limitation to the protection scope of the present utility model.

[0040] Embodiment 1

[0041] As Figures 1 to 8Shown as a specific embodiment of the present utility model, a needle seat feeding mechanism and a medical syringe feeding production line include a hoist 1, a stock storage device 2, a frame 3, a return material platform 4, a sorting section 5, a blowing device 6, a blowing assembly 61, a blowing needle 62, a material selection section 7, a discharging section 8, a material distribution section 9, a first feeding channel 91, a second feeding channel 92, a screening material channel 10, a sorting material channel 11, an auxiliary pressing device 12, an auxiliary pressing assembly 121, an auxiliary control mechanism 122, a main pressing device 13, a lower pressing mechanism 131, an upper pressing mechanism 132, an upper pressing assembly 133, an upper control mechanism 134, a lower control mechanism 135, a lower pressing assembly 136, and a blanking opening 14.

[0042] In this embodiment, the needle seat feeding mechanism includes a frame 3. Above the frame 3, there is a return material platform 4. A feeding platform is fixedly installed on the return material platform 4. The feeding platform is composed of a plurality of parallel arranged material conveying channels. Each material conveying channel is composed of a material arranging section 5, a material separating section 9, a material selecting section 7, and a discharging section 8 connected in sequence. The feeding port of the material arranging section 5 is connected to the feeding device. The material separating section 9 includes a first feeding channel 91 and a second feeding channel 92 that are connected in sequence and arranged in a stepped manner. Above the material separating section 9, there is a blowing device 6. The blowing device includes a plurality of blowing components 61 that blow air towards the connection of the first feeding channel 91 and the second feeding channel 92. Materials are respectively conveyed into the material conveying channels through the feeding device. The materials sequentially pass through the material arranging section 5, the material separating section 9, the material selecting section 7, and the discharging section 8 in the material conveying channels and are finally taken out through the material taking part, so as to carry out the next working step. When the materials enter the material arranging section 5, some materials will fall onto the return material platform 4, and the other part of the materials will enter the material arranging channel 11 and move in the material arranging channel 11, so that the materials sequentially enter the sorting section along the specified direction for sorting. During sorting, since the first feeding channel 91 and the second feeding channel 92 are arranged in a stepped manner, a height difference will be formed between the first feeding channel 91 and the second feeding channel 92. During the conveying process, the materials fall from the first feeding channel 91 with a higher height into the second feeding channel 92 with a lower height. The blowing component 61 blows air towards the height difference. In this process, in one case, the material is a single material. When the single material is conveyed to the height difference position, the end of the single material will instantaneously descend, so as to avoid the gas blown out by the blowing component 61 and is not affected by its blowing, so that the single material can continue to be conveyed to the material selecting section 7. In another case, the materials are inserted into each other to form inter-inserted materials. When the inter-inserted materials are conveyed to the height difference position, the ends of the inter-inserted materials will not immediately descend, so that they cannot avoid the gas blown out by the blowing component 61. At this time, the gas blows towards the ends of the inter-inserted materials, and the inter-inserted materials will immediately fall onto the return material platform 4, so that the non-conforming inter-inserted materials can be picked out. The inter-inserted materials falling onto the return material platform 4 will enter the material conveying channels again through the feeding device, so as to carry out re-screening and feeding again. By adding a distinguishing structure for single materials and inter-inserted materials, the structure is simple. Cooperating with material selection and arrangement can ensure the feeding direction and quantity of the materials, meet the feeding requirements, improve the feeding efficiency and accuracy, and greatly improve the entire feeding production capacity.

[0043] During the conveying process of the materials, two situations may occur. One is single materials, and the other is that multiple materials are interspersed with each other. Therefore, the height difference is effectively used to distinguish and separate single materials and interspersed materials. The height difference between the first feeding channel 91 and the second feeding channel 92 can better assist the blowing device 6 in sorting single materials and interspersed materials, improving the sorting accuracy and efficiency of the blowing assembly 61. At the same time, when too many materials accumulate on the material distribution section 9, the blowing device 6 can also blow the excess materials to the return material platform 4 for re-sorting, avoiding affecting the sorting and feeding effect and accuracy, improving the sorting efficiency and accuracy of the sorting section, and achieving the effect of efficient sorting.

[0044] The feeding device includes a hoist 1 and a storage device 2 that are connected in sequence. The hoist 1 is connected to the return material platform 4 through a feeding channel. In this application, the hoist 1 conveys the materials into the storage device 2, and the materials fall inside the storage device 2. During this process, due to the extremely high height difference, it has the function of dispersing the materials. The interspersed materials are scattered by the free falling of the materials, reducing the situation of material interspersion. The hoist 1 conveys the materials to be fed into the storage device 2, and at the same time conveys the materials on the return material platform 4 into the storage device 2 again for re-dispersing and conveying.

[0045] The material selection section 7 is composed of multiple-component material selection channels. Each component material selection channel includes multiple screening channels 10. The ends of adjacent screening channels 10 are arranged at different heights, forming a stepped structure. A blanking opening 14 that only allows one material to fall and is connected to the return material platform 4 is provided between two adjacent screening channels 10. The opening width of the feeding end of the blanking opening 14 is smaller than the opening width of the discharging end of the blanking opening 14. The length of the discharging end with a larger opening in the blanking opening 14 is smaller than the overall length of the material. The shape of the needle base is that one end port is larger and the other end port is smaller. Only the smaller end of the upper port of the needle base can slide through the end with a smaller width of the blanking opening 14. When the larger end of the upper port of the needle base is conveyed into it, the needle base will continue to move forward without falling. The end with a larger width of the blanking opening 14 can ensure that the larger end of the upper port of the needle base falls. There are two situations for a single needle base material during transportation. One is that the larger port is facing forward, and the other is that the smaller port is facing forward. During transportation, the smaller port needs to face forward. Therefore, it is necessary to screen the single material with the larger port facing forward through the material selection section 7. The single material first passes through the part with a smaller opening width during transportation and then passes through the part with a larger opening width. Since the sorting channel adopts a stepped structure, when the single material has its larger end facing forward, the larger end of the material first enters the part with a smaller opening. Since the width of the opening part is smaller than the width of the larger end of the material, the material is normally conveyed at the blanking opening 14 at this time. Then, the larger end of the material will continue to move forward and run to the part with a larger opening. The part with a larger opening allows the larger end to fall. Therefore, the material will lose support. At this time, the larger end will fall from the part with a larger opening, and the smaller end will fall from the part with a smaller opening and be conveyed to the feeding device through the return material platform 4 for re-feeding. When the single material has its smaller end facing forward, the smaller end of the material first enters the part with a smaller opening. Since the width of the opening part is smaller than the width of the larger end of the material, the material is normally conveyed at the blanking opening 14 at this time. Then, the smaller end of the material will continue to move forward and run to the part with a larger opening. Although the part with a larger opening can make the whole material fall, the larger end of the material will support the whole material. Therefore, the material continues to move forward without being affected. Since the length of the discharging end with a larger opening is smaller than the overall length of the material, the smaller end will enter the next screening channel 10 first and play a supporting role, thus driving the whole material through, achieving the functions of screening and distinguishing the larger and smaller ends of the material. The structure is simple, the distinguishing effect is obvious, and the distinguishing efficiency is high.

[0046] The material arranging section 5 is composed of a plurality of material arranging channels 11 arranged side by side. The discharge ports of the material arranging channels 11 correspond to the feed ports of the first feeding channel 91 one by one. There are material arranging convex rods between adjacent material arranging channels 11. When the feeding speed of the feeding device is relatively fast, there may be a situation of material accumulation on the material arranging section 5. Once accumulation occurs, the feeding speed and efficiency will be greatly reduced. Therefore, it is necessary to control the materials to enter the material arranging channels 11 one by one through the material arranging convex rods, which can scrape off the redundant materials and correct the materials discharged in abnormal directions at the same time, effectively accelerating the material arranging speed and efficiency and ensuring the feeding effect.

[0047] The channel depth of the second feeding channel 92 is smaller than that of the first feeding channel 91, that is, the channel height of the first feeding channel 91 is higher than that of the second feeding channel 92. Therefore, it can ensure the stability and accuracy during the falling process of the materials, and can also improve the accuracy of material separation by the air blowing assembly 61, and has a certain probability of separating the interpenetrated materials.

[0048] The discharging section 8 is composed of a plurality of discharging channels arranged side by side. The feed ports of the discharging channels correspond to the discharge ports of the sorting channels one by one. The discharging channels are communicated with the sorting channels. The materials are aligned through the material arranging section 5 to ensure that the running directions of the materials entering the material separating section 9 are the same and are conveyed one by one. The materials enter the material separating section 9 to distinguish and screen single materials and interpenetrated materials. The interpenetrated materials are blown by the air blowing assembly 61 onto the return material platform 4. The single materials continue to the material selecting section 7. The material selecting section 7 distinguishes the ends of the materials to ensure that when all the materials are conveyed to the discharging section 8, the small head ends face forward and the big head ends face backward. Finally, the materials on the discharging channels are taken out by the material taking part.

[0049] The air blowing assembly 61 includes a plurality of main air blowing nozzles supplied with air by an air supply device. Air blowing needles 62 are communicated at the air outlet of each main air blowing nozzle. The inner diameter of the air blowing needle 62 is smaller than that of the main air blowing nozzle. The air is gathered by the air blowing needle 62 with a smaller inner diameter, so that the blowing range of the air is more concentrated after being blown out, avoiding the mutual influence between adjacent air blowing assemblies 61 due to an overly large blowing range, thus resulting in a poor effect of the air blowing assembly 61, improving the accuracy of material separation by the air blowing assembly 61, and better improving the material separation effect.

[0050] The medical syringe feeding production line includes a material taking part and a feeding mechanism. The feeding mechanism has the functions of feeding and screening materials, ensuring that the taking direction of the material taking part meets the requirements of production feeding, with higher cooperation degree and greatly increased feeding efficiency.

[0051] The material taking part includes a main material pressing device 13 and an auxiliary material pressing device 12. The main material pressing device 13 includes an upper material pressing mechanism 132 that can be longitudinally adjusted independently. Below the upper material pressing mechanism 132, there is a lower material pressing mechanism 131 that can be longitudinally and laterally adjusted independently. The upper material pressing mechanism 132 includes a plurality of upper material pressing components 133 and an upper control mechanism 134 that controls the movement of the upper material pressing components 133. The lower material pressing mechanism 131 includes a lower material pressing component 136 and a lower control mechanism 135 that controls the movement of the lower material pressing component 136. The lower material pressing component 136 corresponds to the upper material pressing component 133 one by one, forming multiple groups of material transferring groups, and each group of material transferring groups corresponds to an outlet material channel. The auxiliary material pressing component 121 includes a plurality of auxiliary material pressing components 121 and an auxiliary control mechanism 122 that controls the movement of the auxiliary material pressing components 121. Each auxiliary material pressing component 121 corresponds to an outlet material channel. The main material pressing device 13 presses the small end of the material and keeps it stationary, and the auxiliary material pressing device 12 presses the large end of the material and keeps it stationary. Then, the main material pressing device 13 is driven to move forward. If the material is a single material, the main material pressing device 13 drives the single material to move forward for a certain distance. Finally, the main material pressing device 13 moves upward, driving the material to move upward into the next working station to complete the feeding work. If the material is an interlocking material, the main material pressing device 13 drives the interlocking materials to separate from each other, thus forming single materials. Then, the main material pressing device 13 moves upward, driving the materials to move upward into the next working station to complete the feeding work.

[0052] Working process:

[0053] The material is first conveyed to the inside of the storage device 2 by the elevator 1, and then the storage device 2 is used to disperse the material and convey it to the material sorting section 5. After the material enters the material sorting section 5, the direction of the material is first changed by the sorting protrusions between adjacent sorting channels 11. During this process, part of the material enters the sorting channels 11 and continues to move forward for feeding, and the other part of the material drops onto the return platform 4 for re-feeding. The material advances through the sorting channels 11 to the material distribution section 9. The material distribution section 9 uses the height difference and the blowing assembly 61 to distinguish between single materials and interlaced materials, ensuring that single materials enter the next stage of conveying, and interlaced materials return to the return platform 4 for re-feeding. The single materials left after screening continue to be conveyed into the material selection section 7. The material selection section 7 can perform multiple screenings and cooperate with the blanking opening 14 to achieve screening of the end orientation of the material. The materials that meet the conveying requirements have the small head end facing forward and the large head end facing backward. Finally, the material is conveyed to the material taking part through the discharging section 8. If the material is a single material, the main pressing device 13 drives the single material to move forward a certain distance, and finally the main pressing device 13 moves upward, driving the material to move upward into the next working station to complete the feeding work. If the material is an interlaced material, the main pressing device 13 drives one end of the interlaced material to move forward a certain distance to achieve mutual separation, thus forming single materials, and then the main pressing device 13 moves upward, driving the material to move upward into the next working station to complete the feeding work. Using multiple material screening ensures that the conveyed materials meet the conveying requirements, with a simple structure, fast feeding speed and high efficiency.

[0054] Embodiment 2

[0055] This is the second material sorting method of the present application. In this embodiment, other structures are basically the same as those in Embodiment 1, except that: the length of the sorting section is extended, the first feeding channel 91 is extended, the second feeding channel 92 is shortened, and at the same time, the two sections of the first feeding channel 91 are divided into two widths. The width of the feeding end of the first feeding channel 91 is equal to the width of the sorting channel 11 and is connected to the discharging port of the sorting channel 11. The width of the discharging end of the first sorting channel 11 is greater than the width of the second feeding channel 92, achieving the effect of enhancing the sorting length and meeting the production needs to effectively improve the feeding efficiency.

[0056] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention. In addition, in the description of the present invention, the meaning of "a plurality of" is two or more, unless otherwise specifically defined.

[0057] The embodiments described above are only used to illustrate the technical solutions of the present application, rather than to limit it; although the present application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the various embodiments of the present application, and should all be included in the protection scope of the present application.

Claims

1. A needle holder feeding mechanism, comprising a frame (3), a material return platform (4) is arranged above the frame (3), a material feeding platform is fixedly installed on the material return platform (4), the material feeding platform is composed of a plurality of material feeding channels arranged in parallel, each material feeding channel is composed of a material sorting section (5), a material dividing section (9), a material selection section (7), and a material discharging section (8) connected in sequence, the material inlet of the material sorting section (5) is connected to the feeding device, characterized in that: The material distribution section (9) comprises a first feeding channel (91) and a second feeding channel (92) which are connected in sequence and arranged in a step-like manner. A blowing device (6) is provided above the material distribution section (9), and the blowing device comprises a plurality of blowing components (61) for blowing toward the connection between the first feeding channel (91) and the second feeding channel (92).

2. A needle holder feeding mechanism according to claim 1, characterized in that: The feeding device comprises an elevator (1) and a material storage device (2) which are connected in sequence, and the elevator (1) is connected to a material return platform (4) through a material conveying channel.

3. A needle holder feeding mechanism according to claim 1, characterized in that: The material selection section (7) is composed of a plurality of material selection channels, each of which comprises a plurality of screening channels (10). The ends of adjacent screening channels (10) are arranged at different heights to form a stepped structure. A material drop opening (14) for only one material to drop and connected to the material return platform (4) is provided between two adjacent screening channels (10). The opening width of the material drop opening (14) at the feeding end is smaller than the opening width of the material drop opening (14) at the discharging end.

4. A needle holder feeding mechanism according to claim 1, characterized in that: The material sorting section (5) is composed of a plurality of material sorting channels (11) arranged in parallel, the discharge ports of the material sorting channels (11) correspond one to one with the feed ports of the first feeding channel (91), and there are material sorting protrusions between adjacent material sorting channels (11).

5. A needle holder feeding mechanism according to claim 1, characterized in that: The channel depth of the second feeding channel (92) is less than the channel depth of the first feeding channel (91).

6. A needle holder feeding mechanism according to claim 1, characterized in that: The discharging section (8) is composed of a plurality of discharging channels arranged in parallel, and the feed openings of the discharging channels correspond one to one with the discharging openings of the sorting channels.

7. The needle holder feeding mechanism according to claim 1, characterized in that: The blowing assembly (61) comprises a plurality of main blowing nozzles supplied with air by an air supply device, the air outlets of the main blowing nozzles are all connected to blowing needles (62), and the inner diameter of the blowing needles (62) is smaller than the inner diameter of the main blowing nozzles.

8. A medical needle tube feeding production line, characterized in that: The invention comprises a material taking part and a needle seat feeding mechanism as described in any one of claims 1 to 7, wherein the material taking part comprises a main material pressing device (13) and an auxiliary material pressing device (12), the main material pressing device (13) comprises an upper material pressing mechanism (132) which can be adjusted longitudinally independently, a lower material pressing mechanism (131) which can be adjusted longitudinally and transversely independently is arranged below the upper material pressing mechanism (132), the upper material pressing mechanism (132) comprises a plurality of upper material pressing assemblies (133) and an upper control mechanism (134) for controlling the movement of the upper material pressing assemblies (133), the lower material pressing mechanism (131) comprises a lower material pressing assembly (136) and a lower control mechanism (135) for controlling the movement of the lower material pressing assembly (136), the lower material pressing assembly (136) corresponds to the upper material pressing assembly (133) one by one, so as to form a plurality of material moving groups, and each material moving group corresponds to a material discharge channel; The auxiliary material pressing component (121) comprises a plurality of auxiliary material pressing components (121) and an auxiliary control mechanism (122) for controlling the movement of the auxiliary material pressing components (121), and each auxiliary material pressing component (121) corresponds to a material discharge channel.

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