A feeding device for nuts and pin pins

Abstract

The utility model relates to a material loading device technology field discloses a material loading device for nut and PIN, include: frame, and set up nut feeding mechanism, PIN feeding mechanism and the conveying track of frame, and set up the material loading fixture of the top of frame. Nut feeding mechanism, including auxiliary block and top nut post, the inside of auxiliary block is equipped with input passageway and auxiliary passageway, the axis of input passageway and the axis of auxiliary passageway are opposite and are wrong in position, and auxiliary passageway is communicated with input passageway, and top nut post carries out telescopic movement along auxiliary passageway, and top nut post is used for pushing nut from auxiliary passageway to the set nut push-out position, PIN feeding mechanism, including top PIN material needle and slider, and top PIN material needle carries out reciprocating motion on the frame, and the side surface of slider is seted up with the gap for top PIN material needle activity, and the slider with the gap carries out to and fro movement on the frame to the reciprocating position of top PIN material needle.

Description

Technical Field

[0001] This utility model relates to the technical field of feeding devices, specifically a feeding device for nuts and pins. Background Technology

[0002] In modern electronic manufacturing, precision machining, and automated assembly industries, nuts and pins are key connecting and fixing components. The accuracy and stability of their feeding, positioning, and assembly directly affect the performance, reliability, and production efficiency of the final product.

[0003] The existing material feeding methods still have some problems: the traditional method is manual feeding, which is not only labor-intensive and inefficient, but also makes it difficult to guarantee the consistency and precision of assembly. Especially in the high-precision and high-speed production line environment, manual operation can hardly meet the ever-increasing production demand.

[0004] Therefore, there is an urgent need for a feeding device for nuts and pins to solve the above problems. Utility Model Content

[0005] Based on the above, the purpose of this utility model is to provide a feeding device for nuts and pins to solve the problem of manual feeding.

[0006] To solve the above-mentioned technical problems, this utility model adopts the following technical solution: a feeding device for nuts and pins, comprising:

[0007] A frame, and a nut feeding mechanism, a PIN feeding mechanism and a conveying track disposed on the frame, and a loading fixture disposed on the top of the frame;

[0008] The nut feeding mechanism includes an auxiliary block and a top nut column. The auxiliary block has an input channel and an auxiliary channel. The axis of the input channel is offset from the axis of the auxiliary channel. The auxiliary channel is connected to the input channel. The top nut column moves telescopically along the auxiliary channel. The top nut column is used to push the nut out of the auxiliary channel to a set nut push-out position.

[0009] The PIN feeding mechanism includes a top PIN needle and a slider. The top PIN needle reciprocates on the frame. The slider has a notch on its side for the movement of the top PIN needle. The slider, with the notch, reciprocates on the frame towards the reciprocating position of the top PIN needle.

[0010] The feeding fixture includes a nut clamping source and a pin positioning component. The nut clamping source reciprocates along the feeding fixture. The clamping end of the nut clamping source can open or close. When the clamping end of the nut clamping source is closed, it forms a mounting hole. When the nut clamping source reciprocates with the mounting hole, the axis of motion of the mounting hole is coaxially aligned with the axis of motion of the nut ejection position. The pin positioning component reciprocates on the frame. The end of the pin positioning component is provided with the positioning hole. When the pin positioning component reciprocates with the positioning hole, the axis of motion of the positioning hole is aligned with the axis of motion of the top pin. The pin positioning component, the notch of the slider, and the top pin are arranged in sequence.

[0011] The conveying track is provided in several parts, and the conveying track is provided with a conveying channel, which is connected to the input channel and the gap respectively.

[0012] As a preferred embodiment of a feeding device for nuts and pins, it further includes an upper plate, which is reciprocally disposed on the top of the frame along the frame, the nut clamping source reciprocates on the upper plate, and the pin positioning component reciprocates on the upper plate.

[0013] As a preferred embodiment of a feeding device for nuts and pins, the upper plate is provided with a push plate and a guide post. The guide post is erected on the upper plate, the push plate is slidably disposed on the guide post, and the push plate reciprocates along the guide post on the upper plate. The pin positioning component is positioned on the side of the push plate.

[0014] As a preferred embodiment of a feeding device for nuts and pins, a mounting block is connected between the nut clamping source and the upper plate. The mounting block reciprocates on the upper plate. The nut clamping source is fixed to the mounting block. The mounting block is provided with a limiting post. One end of the limiting post extends into the mounting hole. The limiting post, the mounting hole, and the nut ejection position are arranged in sequence.

[0015] As a preferred embodiment of a feeding device for nuts and pins, it further includes a vibratory feeding component and a linear vibratory feeding component disposed on the frame, wherein the top surface of the linear vibratory feeding component is configured as the conveying track, and the vibratory feeding component and the conveying track are interconnected.

[0016] As a preferred embodiment of a feeding device for nuts and pins, it further includes a suction cup disposed on the upper plate, the suction cup being used to pick up materials.

[0017] As a preferred embodiment of a feeding device for nuts and pins, the clamping end of the nut clamping source is composed of clamping blocks, and at least two clamping blocks are provided. The opposing clamping blocks can move closer to each other or be spread apart, and when the clamping blocks move closer to each other, they form a mounting hole.

[0018] As a preferred embodiment of a feeding device for nuts and pins, it further includes an auxiliary sliding mechanism, which is provided to assist the top nut column in its telescopic movement.

[0019] As a preferred embodiment of a feeding device for nuts and pins, the auxiliary sliding mechanism includes a bracket, a slide rail, and a sliding block. The bracket is positioned on the top surface of the frame, the slide rail is disposed on the top surface of the frame, the sliding block slides on the slide rail, one end of the top nut post is fixed to the side of the sliding block, and the other end of the top nut post extends and retracts along the slide rail.

[0020] As a preferred embodiment of a feeding device for nuts and pins, the frame is provided with an elastic element along the motion axis of the nut clamping source, the motion axis of the nut clamping source is coaxially aligned with the center line of the elastic element, and the two ends of the elastic element respectively abut against the nut clamping source and the frame.

[0021] The beneficial effects of this utility model are as follows: By opening an input channel and an auxiliary channel axis within the auxiliary block, with the two relatively offset, and coordinating with the telescopic movement of the top nut column, the nut is stably and accurately pushed out to the set position, avoiding jamming and deviation, thus improving accuracy and stability. Orderly feeding is achieved through the reciprocating motion of the top PIN needle and the reciprocating motion of the slider with the notch towards the top PIN needle's reciprocating position, reducing positional deviation and improving feeding accuracy. The clamping end of the nut clamping source can open or close; when closed, the mounting hole is coaxially aligned with the nut's push-out position axis, ensuring the accuracy and consistency of nut assembly. The positioning hole is aligned with the top PIN needle's axis, accurately positioning and conveying the PIN needle, improving assembly accuracy. The conveyor rail connects the various mechanisms, and the internal conveyor channels are respectively connected to the input channel and the notch, achieving smooth conveying of nuts and PIN needles. This utility model's feeding device for nuts and PIN needles, through the coordinated operation of various mechanisms, achieves orderly, efficient, and precise feeding of nuts and PIN needles, improving production efficiency and product quality. Attached Figure Description

[0022] Figure 1 A schematic diagram of the overall structure of a feeding device for nuts and pins provided by this utility model;

[0023] Figure 2 A top view of a feeding device for nuts and pins provided by this utility model, with the protective baffle removed;

[0024] Figure 3 This utility model provides a schematic diagram of a feeding device for nuts and pins, which includes a PIN pin installation. Figure 2 Cross-sectional view of AA in the middle;

[0025] Figure 4 This utility model provides a schematic diagram of a nut installation device for feeding nuts and pins. Figure 2 Cross-sectional view of BB in the middle;

[0026] Figure 5 A schematic diagram of the overall structure of a nut feeding mechanism and a PIN feeding mechanism in a feeding device for nuts and PINs provided by this utility model;

[0027] Figure 6 A three-dimensional cross-sectional view of a PIN feeding mechanism in a nut and PIN feeding device provided by this utility model;

[0028] Figure 7 A three-dimensional cross-sectional view of a nut feeding mechanism for a nut and pin feeding device provided by this utility model;

[0029] Figure 8 A schematic diagram of the overall structure of the PIN feeding mechanism and the nut feeding mechanism in the first direction of a feeding device for nuts and PINs provided by this utility model;

[0030] Figure 9 A schematic diagram of the overall structure of the PIN feeding mechanism and the nut feeding mechanism in the second direction of a feeding device for nuts and PINs provided by this utility model;

[0031] Figure 10 A three-dimensional cross-sectional view of the PIN pin installation in a feeding fixture for a nut and PIN pin feeding device provided by this utility model;

[0032] Figure 11 This is a three-dimensional cross-sectional view of the feeding fixture for installing nuts in a feeding device for nuts and pins provided by this utility model.

[0033] The following are the labeling elements in the figure:

[0034] 1. Rack;

[0035] 2. Nut feeding mechanism; 201. Auxiliary block; 202. Input channel; 203. Auxiliary channel; 204. Nut top column;

[0036] 3. PIN feeding mechanism; 301. Pin feeding pin; 302. Slider; 3021. Notch;

[0037] 4. Conveying track; 401. Conveying channel;

[0038] 5. Nut extension position;

[0039] 6. Feeding fixture; 601. Nut clamping source; 602. Mounting hole; 603. Pin positioning component; 604. Positioning hole;

[0040] 8. Protective baffle;

[0041] 9. Auxiliary sliding mechanism; 901. Bracket; 902. Slide rail; 903. Sliding block;

[0042] 10. Upper plate; 11. Guide post; 12. Push plate; 13. Mounting block; 14. Limiting post; 15. Clamping block; 16. Elastic element; 17. Vibrating feeding component; 18. Straight vibration feeding component; 19. Suction cup. Detailed Implementation

[0043] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present invention and not intended to limit it. Furthermore, it should be noted that, for ease of description, the accompanying drawings show only the parts relevant to the present invention, not the entire structure.

[0044] In the description of this utility model, unless otherwise explicitly specified and limited, the terms "connected," "linked," and "fixed" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; 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; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0045] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0046] In the description of this embodiment, terms such as "upper," "lower," "left," and "right" are based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of description and simplification of operation, and are not intended to 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.

[0047] In the description of this utility model, unless otherwise stated, "a plurality of" means two or more. Furthermore, the terms "first" and "second" are used merely for descriptive distinction and have no specific meaning.

[0048] In one embodiment of this utility model, as shown in 1-11, a feeding device for nuts and pins is provided, comprising: a frame 1, a nut feeding mechanism 2, a pin feeding mechanism 3 and a conveying track 4 disposed on the frame 1, and a feeding fixture 6 disposed on the top of the frame 1. Nut feeding mechanism 2 includes an auxiliary block 201 and a top nut post 204. The auxiliary block 201 has an input channel 202 and an auxiliary channel 203. The axis of the input channel 202 is offset from the axis of the auxiliary channel 203. The auxiliary channel 203 is connected to the input channel 202. The top nut post 204 moves along the auxiliary channel 203 and is used to push the nut out of the auxiliary channel 203 to a set nut push-out position 5. PIN feeding mechanism 3 includes a top PIN needle 301 and a slider 302. The top PIN needle 301 reciprocates on the frame 1. The slider 302 has a notch 3021 on its side for the movement of the top PIN needle 301. The slider 302 with the notch 3021 moves back and forth on the frame 1 towards the reciprocating position of the top PIN needle 301. Loading fixture 6 includes a nut clamping source 601 and a PIN needle positioning component 603. The nut clamping source 601 moves along the loading fixture 6. The clamping end of the nut clamping source 601 can open or close during reciprocating motion. When the clamping end of the nut clamping source 601 is closed, it forms a mounting hole 602. When the nut clamping source 601 reciprocates with the mounting hole 602, the axis of motion of the mounting hole 602 is coaxially aligned with the axis of motion of the nut ejection position 5. The PIN pin positioning component 603 reciprocates on the frame 1. The end of the PIN pin positioning component 603 is provided with a positioning hole 604. When the PIN pin positioning component 603 reciprocates with the positioning hole 604, the axis of motion of the positioning hole 604 is aligned with the axis of motion of the top PIN pin 301. The PIN pin positioning component 603, the notch 3021 of the slider 302, and the top PIN pin 301 are arranged in sequence. There are several conveying tracks 4. The conveying track 4 is provided with a conveying channel 401. The conveying channel 401 is connected to the input channel 202 and the notch 3021 respectively.

[0049] The feeding device for nuts and pins provided by this utility model uses an input channel 202 and an auxiliary channel 203 with their axes offset within an auxiliary block 201. This, combined with the telescopic movement of the top nut column 204, ensures stable and precise feeding of the nut to a set position, preventing jamming and deviation, and improving accuracy and stability. Orderly feeding is achieved through the reciprocating motion of the top pin 301 and the reciprocating motion of the slider 302 with notch 3021 towards the top pin 301, reducing positional deviation and improving feeding accuracy. The clamping end of the nut clamping source 601 can open or close; when closed, the mounting hole 602 is coaxially aligned with the nut ejection position 5, ensuring accurate and consistent nut assembly. The positioning hole 604 is aligned with the axial movement path of the top pin 301, precisely positioning and conveying the pin, improving assembly accuracy. The conveying track 4 connects the various mechanisms, and the internal conveying channel 401 is connected to the input channel 202 and notch 3021, enabling smooth feeding of the nut and pin. This utility model relates to a feeding device for nuts and pins. Through the coordinated operation of various mechanisms, it achieves orderly, efficient and precise feeding of nuts and pins, thereby improving production efficiency and product quality.

[0050] Preferably, a protective baffle 8 is installed on the frame 1 to effectively prevent limbs or other foreign objects from entering the work area, reducing safety accidents caused by misoperation or interference from foreign objects.

[0051] Preferably, the feeding device for nuts and pins further includes an auxiliary sliding mechanism 9, which is configured to assist the top nut post 204 in its telescopic movement. The sliding track ensures smooth and efficient telescopic movement of the top nut post 204, reducing wear on the device.

[0052] Specifically, the auxiliary sliding mechanism 9 includes a bracket 901, a slide rail 902, and a sliding block 903. The bracket 901 is positioned on the top surface of the frame 1, and the slide rail 902 is disposed on the top surface of the frame 1. The sliding block 903 slides on the slide rail 902, and the slide rail 902 and the sliding block 903 form a sliding pair to provide a high-precision guiding path for the top nut column 204. One end of the top nut column 204 is fixed to the side of the sliding block 903, and the other end of the top nut column 204 extends and retracts along the slide rail 902. This reduces vibration and impact during the movement of the top nut column 204, ensuring that the nut can be accurately pushed out from the auxiliary channel 203 to the set position, avoiding misalignment and jamming problems caused by movement deviation, and improving feeding accuracy and consistency.

[0053] Preferably, the feeding device for nuts and pins further includes an upper plate 10. The upper plate 10 is reciprocally mounted on the top of the frame 1, and the nut clamping source 601 and the pin positioning component 603 reciprocate on the upper plate 10. The reciprocating motion of the upper plate 10 along the frame 1 allows the nut clamping source 601 and the pin positioning component 603 to work collaboratively on a unified platform, avoiding the coordination difficulties and waiting time associated with independent movements in traditional devices, shortening the feeding cycle, and improving feeding efficiency.

[0054] Preferably, the feeding device for nuts and PINs has a guide post 11 and a push plate 12 on the upper plate 10. The guide post 11 is erected on the upper plate 10, and the push plate 12 is slidably mounted on the guide post 11. The push plate 12 reciprocates along the guide post 11 on the upper plate 10. The guiding effect of the guide post 11 makes the movement of the push plate 12 more stable, reducing impact and vibration. The PIN positioning component 603 is positioned on the side of the push plate 12. As the push plate 12 moves, the push plate 12, carrying the PIN positioning component 603, slides on the guide post 11, ensuring the accuracy of straightness and avoiding inaccurate PIN positioning due to movement deviation.

[0055] Preferably, a mounting block 13 connects the nut clamping source 601 to the upper plate 10. A guide rail can be installed on the upper plate 10 to assist the movement of the mounting block 13, which reciprocates on the upper plate 10. The nut clamping source 601 is fixed to the mounting block 13. The mounting block 13 is provided with a limiting post 14, one end of which extends into the mounting hole 602. The limiting post 14, the mounting hole 602, and the nut ejection position 5 are arranged in sequence. As the mounting block 13 moves the nut clamping source 601, once the nut contacts the limiting post 14 at the end of the mounting hole 602, it will prevent the nut from moving further, thereby precisely controlling the movement stroke of the nut.

[0056] Preferably, the clamping end of the nut clamping source 601 is composed of clamping blocks 15. At least two clamping blocks 15 are provided, and the opposing clamping blocks 15 can move closer together or swing apart. The clamping blocks 15 are configured to move closer together or swing apart to accommodate nuts of different sizes and shapes. When the clamping blocks 15 move closer together, they form mounting holes 602. The multiple clamping blocks 15 forming mounting holes 602 provide a uniform and stable clamping force, preventing damage to the nut, reducing the possibility of the nut shifting or loosening during clamping, and enhancing structural stability. The moving closer together or swinging apart of the clamping blocks 15 can be achieved by a cylinder.

[0057] Preferably, the frame 1 is provided with an elastic element 16 along the motion axis of the nut clamping source 601. The motion axis of the nut clamping source 601 is coaxially aligned with the centerline of the elastic element 16, and the two ends of the elastic element 16 abut against the nut clamping source 601 and the frame 1, respectively. The elastic element 16 absorbs and disperses external force impacts, converting the external force into its own elastic potential energy, reducing the direct impact on the nut clamping source 601 and the frame 1. Moreover, the coaxial alignment of the centerline with the motion axis ensures uniform buffering.

[0058] Preferably, the feeding device for nuts and pins further includes a vibratory feeding component 17 and a linear vibratory feeding component 18 disposed on the frame 1. The top surface of the linear vibratory feeding component 18 (which may be composed of a linear vibrator) is configured as a conveying track 4, and the vibratory feeding component 17 and the conveying track 4 are interconnected. The vibratory feeding component 17 (which may be composed of a vibratory plate) conveys the nuts or pins to the linear vibratory feeding component 18 in an orderly manner through vibration, and the top surface of the linear vibratory feeding component 18 is configured as a conveying track 4 to ensure that the material can move smoothly and stably along the track, ensuring a seamless connection of the material from the vibratory feeding component 17 to the conveying track 4.

[0059] Preferably, it also includes a suction cup 19, which is disposed on the upper plate 10 and is used to pick up materials.

[0060] Preferably, the upper plate 10 and the frame 1 can also be guided and fitted by the guide post 11. When the upper plate 10 is lowered to the frame 1 by the cylinder or other power source, the guide post 11 will be aligned with the hole on the frame 1, further improving the accuracy of the mounting nut and PIN pin.

[0061] In this embodiment, the reciprocating motion of each component can be achieved by installing a cylinder. Specifically, the use of suction cup 19 ensures the accuracy and stability of material during the picking, handling, and placement processes, thereby improving production efficiency.

[0062] In this embodiment, the nut installation process is as follows: The vibratory feeding component 17 starts working, arranging the scattered nuts in an orderly manner through vibration, and conveying them along a predetermined path to the conveying track 4 in the linear vibratory feeding component 18, and then sequentially entering the input channel 202 and auxiliary channel 203 in the auxiliary block 201. The top nut post 204 performs telescopic movement along the auxiliary channel 203, pushing the nut out of the auxiliary channel 203 to the set nut push-out position 5.

[0063] The upper plate 10 drives the nut clamping source 601 to move, and the nut clamping source 601 moves along the frame 1 to the nut ejection position 5. Then the clamping end of the nut clamping source 601 opens and closes to form a complete mounting hole 602, clamping and storing the nut at the ejection position during this process.

[0064] In other embodiments, the mounting hole 602 may be aligned with the nut ejection position 5 first, and then the top nut post 204 may be pushed out of the nut into the mounting hole 602 along the auxiliary channel 203.

[0065] The PIN installation process in this embodiment is as follows: the vibrating feeding component 17 starts working, and through vibration, the scattered PINs are arranged in an orderly manner and transported along a predetermined path to the conveying track 4 in the direct vibration feeding component 18, and directly to the notch 3021 position.

[0066] The PIN needles fed from the vibrating feeder 17 enter the interior of the slider 302 through the notch 3021 on the side of the slider 302. The slider 302 moves back and forth towards the top PIN needle 301 through the notch 3021. The top PIN needle 301 moves on the frame 1 to the notch 3021, at which point the PIN needle is pushed from the notch 3021 in the slider 302 into the positioning hole 604 of the top PIN needle 301.

Claims

1. A feeding device for nuts and pins, characterized in that, include: A frame, and a nut feeding mechanism, a PIN feeding mechanism and a conveying track disposed on the frame, and a loading fixture disposed on the top of the frame; The nut feeding mechanism includes an auxiliary block and a top nut column. The auxiliary block has an input channel and an auxiliary channel. The axis of the input channel is offset from the axis of the auxiliary channel. The auxiliary channel is connected to the input channel. The top nut column moves telescopically along the auxiliary channel. The top nut column is used to push the nut out of the auxiliary channel to a set nut push-out position. The PIN feeding mechanism includes a top PIN needle and a slider. The top PIN needle reciprocates on the frame. The slider has a notch on its side for the movement of the top PIN needle. The slider, with the notch, reciprocates on the frame towards the reciprocating position of the top PIN needle. The feeding fixture includes a nut clamping source and a pin positioning component. The nut clamping source reciprocates along the feeding fixture. The clamping end of the nut clamping source can open or close. When the clamping end of the nut clamping source is closed, it forms a mounting hole. When the nut clamping source reciprocates with the mounting hole, the axis of motion of the mounting hole is coaxially aligned with the axis of motion of the nut ejection position. The pin positioning component reciprocates on the frame. The end of the pin positioning component is provided with a positioning hole. When the pin positioning component reciprocates with the positioning hole, the axis of motion of the positioning hole is aligned with the axis of motion of the top pin. The pin positioning component, the notch of the slider, and the top pin are arranged in sequence. The conveying track is provided in several parts, and the conveying track is provided with a conveying channel, which is connected to the input channel and the gap respectively.

2. The feeding device for nuts and pins according to claim 1, characterized in that, It also includes an upper plate, which is reciprocally mounted on the top of the frame, the nut clamping source reciprocates on the upper plate, and the PIN pin positioning component reciprocates on the upper plate.

3. The feeding device for nuts and pins according to claim 2, characterized in that, The upper plate is provided with a push plate and a guide post. The guide post is erected on the upper plate, and the push plate is slidably disposed on the guide post. The push plate reciprocates along the guide post on the upper plate, and the PIN pin positioning component is positioned on the side of the push plate.

4. A feeding device for nuts and pins according to claim 2 or 3, characterized in that, A mounting block is connected between the nut clamping source and the upper plate. The mounting block reciprocates on the upper plate. The nut clamping source is fixed to the mounting block. The mounting block is provided with a limiting post. One end of the limiting post extends into the mounting hole. The limiting post, the mounting hole, and the nut ejection position are arranged in sequence.

5. A feeding device for nuts and pins according to any one of claims 1-3, characterized in that, It also includes a vibratory feeding component and a linear vibratory feeding component disposed on the frame, the top surface of the linear vibratory feeding component being configured as the conveying track, and the vibratory feeding component and the conveying track being interconnected.

6. A feeding device for nuts and pins according to claim 2 or 3, characterized in that, It also includes a suction cup, which is disposed on the upper plate and is used to pick up materials.

7. A feeding device for nuts and pins according to claim 2 or 3, characterized in that, The clamping end of the nut clamping source is composed of clamping blocks, and there are at least two clamping blocks. The opposing clamping blocks can move closer to each other or be spread apart. When the clamping blocks move closer to each other, they form a mounting hole.

8. A feeding device for nuts and pins according to claim 2 or 3, characterized in that, It also includes an auxiliary sliding mechanism, which is provided in the auxiliary sliding mechanism to assist the top nut column in telescopic movement.

9. A feeding device for nuts and pins according to claim 8, characterized in that, The auxiliary sliding mechanism includes a bracket, a slide rail, and a sliding block. The bracket is positioned on the top surface of the frame, the slide rail is disposed on the top surface of the frame, the sliding block slides on the slide rail, one end of the top nut column is fixed to the side of the sliding block, and the other end of the top nut column extends and retracts along the slide rail.

10. A feeding device for nuts and pins according to claim 2 or 3, characterized in that, The frame is provided with an elastic element along the movement axis of the nut clamping source. The movement axis of the nut clamping source is coaxially aligned with the center line of the elastic element. The two ends of the elastic element respectively abut against the nut clamping source and the frame.

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