Automatic insertion structure of a needle body

By combining vibration source delivery and visual inspection with an automatic gripper system, the problem of low efficiency in manual needle insertion has been solved, realizing the automation of needle insertion and improving production efficiency and quality consistency.

CN224384775UActive Publication Date: 2026-06-19PULITE PRECISION MANUFACTURING (GUANGDONG) CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
PULITE PRECISION MANUFACTURING (GUANGDONG) CO LTD
Filing Date
2025-06-13
Publication Date
2026-06-19

AI Technical Summary

Technical Problem

The existing method of inserting the pins relies on manual operation, which leads to low efficiency, poor accuracy, and affects the consistency and pass rate of product quality.

Method used

The needle is fed by a vibration source, and the needle is automatically inserted by combining visual inspection and an automatic gripper system. The system includes a flexible vibratory plate, a light source and an image acquisition device for detection, and the gripper moves back and forth between the needle holes. The carrier and the needle holes are periodically aligned, and the clamping components ensure accurate positioning.

Benefits of technology

The automation of pin insertion has been achieved, which has improved production efficiency and the stability and consistency of insertion quality, reduced human error, and improved the overall quality and production efficiency of the products.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224384775U_ABST
    Figure CN224384775U_ABST
Patent Text Reader

Abstract

This utility model relates to the field of mechanical needle insertion technology, and discloses an automatic needle insertion structure, including: a worktable, a vibration source, a detection component, a needle clamping device, grippers, a sliding block, and a carrier. The vibration source, disposed on the worktable, is used to orderly transport the needles. The detection component, also disposed on the worktable, is used to visually inspect the needles on the vibration source. The detection unit includes a light source and an image acquisition device, both disposed on the worktable, the image acquisition device acquiring images along the illumination position of the light source. The needle clamping device is movably disposed on the worktable, and has a relatively movable clamping end capable of performing a clamping action to hold the needle, forming a needle hole for needle insertion in the clamped state.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of mechanical insertion needle technology, specifically an automatic insertion structure for a needle. Background Technology

[0002] In current manufacturing production, pin connectors are used to build complex circuit systems and mechanical structures, and their quality and stability directly affect the safety and service life of products.

[0003] Existing methods for inserting needles still have several problems: Needle insertion often relies on manual operation, which is susceptible to worker fatigue and distraction, leading to issues such as misaligned or missed insertions, resulting in lower product yield and increased rework costs. Furthermore, manual feeding lacks precision and stability, making it difficult to ensure each needle is in optimal insertion condition, thus affecting product quality consistency.

[0004] Therefore, there is an urgent need for an automatic needle insertion structure to solve the above problems. Utility Model Content

[0005] Based on the above, the purpose of this utility model is to provide an automatic needle insertion structure to solve the problem of low efficiency of manual needle insertion.

[0006] To solve the above-mentioned technical problems, the present invention adopts the following technical solution:

[0007] An automatic insertion structure for a needle body includes:

[0008] Workbench;

[0009] A vibration source is provided on the worktable, and the vibration source is used to orderly convey the needle body;

[0010] A detection component, disposed on the worktable, is used for visual inspection of needles on a vibration source; the detection unit includes a light source and an image acquisition device both disposed on the worktable, and the image acquisition device acquires images along the illumination position of the light source;

[0011] A needle clamp is movably mounted on the worktable. The needle clamp has a relatively movable clamping end, which can perform a clamping action to clamp the needle and form a needle hole for inserting the needle in the clamped state.

[0012] The gripper can open or clamp the needle body and is movably disposed on the worktable, and reciprocates between the discharge end of the vibration source, the irradiation position of the light source and the needle hole;

[0013] A movable slider is disposed on the worktable, capable of reciprocating along the axial direction of the pinhole.

[0014] The surface of the motion slider is provided with mounting slots for positioning parts;

[0015] A carrier is movably mounted on the worktable. The surface of the carrier is provided with a placement groove for accommodating needles. One side of the placement groove is provided with an open end. The open end can periodically align with the needle hole and the mounting slot as the carrier moves. The needle clamp can be adjusted and aligned along the placement groove.

[0016] As a preferred embodiment of an automatic needle insertion structure, the vibration source includes a flexible vibratory plate and a hopper that cooperates with the flexible vibratory plate. The flexible vibratory plate is installed on the worktable and is used to vibrate the needles out to the hopper. The gripper reciprocates between the hopper and the needle hole.

[0017] As a preferred embodiment of an automatic needle insertion structure, a connecting component is further provided, disposed between the worktable and the gripper, and between the worktable and the needle clamping device. The connecting component is used to drive the gripper to reciprocate between the discharge end of the vibration source and the needle hole, and to drive the needle clamping device to place the needle into the placement groove.

[0018] As a preferred embodiment of an automatic needle insertion structure, the connecting components are provided in at least two sets. Each set of the connecting components includes an X-axis drive source and a mechanical needle insertion drive source. The X-axis drive source is mounted on the worktable, and the mechanical needle insertion drive source is mounted on the moving end of the X-axis drive source. The needle clamp and the gripper are respectively mounted on the moving ends of different sets of mechanical needle insertion drive sources. A Z-axis drive source is connected between the mechanical needle insertion drive source and the gripper.

[0019] A preferred embodiment of an automatic insertion structure for a needle body further includes a clamping component disposed on the motion slider, the clamping component clamping or opening along the mounting slot.

[0020] As a preferred embodiment of an automatic insertion structure for a needle, the clamping assembly includes a clamping source and a clamping plate. The clamping source is mounted on the motion slider, and the clamping plate is mounted on the clamping motion end of the clamping source. The clamping source drives the clamping plate to clamp or open along the mounting slot.

[0021] As a preferred embodiment of an automatic insertion structure for a needle body, a pin is provided inside the needle hole, which is used to restrict the movement of the needle body.

[0022] As a preferred embodiment of an automatic needle insertion structure, a mounting plate is installed on the worktable, the surface of the mounting plate is provided with slots, a power source is installed on the bottom surface of the mounting plate, the carrier is disposed on the top surface of the mounting plate, the bottom of the carrier extends into the slots and is connected to the moving end of the power source, and the power source drives the carrier to move.

[0023] As a preferred embodiment of an automatic insertion structure for a needle, the top surface of the mounting plate is provided with a slide rail and a sliding block, the sliding block is slidably disposed on the slide rail, and the carrier is mounted on the sliding block.

[0024] As a preferred embodiment of an automatic needle insertion structure, a positioning block is provided in the placement groove. The positioning block is partially embedded in the placement groove and is used to limit the needle. The positioning block is provided with a mating surface for contacting and engaging with the needle, and the mating surface faces the groove wall of the placement groove.

[0025] The beneficial effects of this invention are as follows: The vibration source orderly conveys the needles, reducing the tediousness and errors of manual feeding; the detection component performs visual inspection of the needles to ensure that their quality and condition meet the insertion requirements; the gripper reciprocates between the discharge end of the vibration source and the needle hole, accurately grasping and transferring the needles; the moving slider can move along the needle hole axis, facilitating part positioning; the carrier works in conjunction to periodically align the placement slot with the needle hole and mounting slot, achieving automatic docking of the needles and parts. This automates needle insertion, improves production efficiency, and ensures the stability and consistency of insertion quality. Attached Figure Description

[0026] Figure 1 A schematic diagram of the overall structure of an automatic insertion structure for a needle body provided by this utility model;

[0027] Figure 2 for Figure 1 A partially enlarged schematic diagram of the automatic insertion structure of the middle needle body;

[0028] Figure 3 A top view of an automatic insertion structure for a needle body provided by this utility model;

[0029] Figure 4 A schematic diagram of the overall structure of the needle clamping fixture installation and connection assembly in the automatic needle insertion structure provided by this utility model;

[0030] Figure 5 for Figure 4 A schematic diagram of the overall structure from the other direction;

[0031] Figure 6 A schematic diagram of the state of the inserted pin in an automatic insertion structure for a pin body provided by this utility model;

[0032] Figure 7 A reference diagram showing the needle body pressing against the ejector pin in an automatic needle body insertion structure provided by this utility model.

[0033] The reference numerals in the figures are as follows: 1. Workbench; 2. Vibration source; 3. Flexible vibratory feeder; 4. Hopper; 5. Detection component; 6. Light source; 7. Image acquisition device; 8. Needle clamp; 9. Gripper; 10. Slide table; 11. Motion slider; 12. Mounting slot; 13. Carrier; 14. Placement slot; 15. Ejector pin; 16. X-axis drive source; 17. Mechanical insertion needle body drive source; 18. Z-axis drive source; 19. Clamping component; 20. Clamping source; 21. Clamping plate; 22. Mounting plate; 23. Hole / slot; 24. Power source; 25. Slide rail; 26. Sliding block; 27. Telescopic cylinder; 28. Positioning block; 29. ​​Mating surface. Detailed Implementation

[0034] 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.

[0035] 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.

[0036] 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.

[0037] 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.

[0038] 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.

[0039] In one embodiment of this utility model, such as Figure 1-7 As shown, an automatic needle insertion structure is provided, including: a worktable 1, a vibration source 2, a detection component 5, a needle clamping device 8, grippers 9, a sliding block 11, and a carrier 13. The vibration source 2, disposed on the worktable 1, is used for the orderly feeding of needles. The detection component 5, disposed on the worktable 1, is used for visual inspection of the needles on the vibration source 2. The detection unit includes a light source 6 and an image acquisition device 7, both disposed on the worktable 1. The image acquisition device 7 acquires images along the illumination position of the light source 6. The needle clamping device 8 is movably disposed on the worktable 1, and has a relatively movable clamping end capable of clamping to hold the needle, forming a needle hole for needle insertion in the clamped state. The grippers 9 can open or clamp the needle and are movably disposed on the worktable 1. The worktable 1 reciprocates between the discharge end of the vibration source 2, the irradiation position of the light source 6, and the needle hole; the motion slider 11 is reciprocally mounted on the worktable 1 along the axial direction of the needle hole, and the surface of the motion slider 11 is provided with a mounting slot 12 for positioning parts; the carrier 13 is movably mounted on the worktable 1, and the surface of the carrier 13 is provided with a placement slot 14 for accommodating the needle body, and one side of the placement slot 14 is provided with an open end, which can periodically align with the needle hole and the mounting slot 12 as the carrier 13 moves, and the needle body clamping device 8 can be adjusted and aligned along the placement slot 14.

[0040] The automatic needle insertion structure provided by this utility model uses a vibration source 2 to orderly transport needles, reducing the tediousness and errors of manual feeding; the detection component 5 performs visual inspection of the needles to ensure that the quality and condition of the needles meet the insertion requirements; the gripper 9 reciprocates between the discharge end of the vibration source 2 and the needle hole, accurately gripping and transferring the needles; the moving slider 11 can move along the needle hole axis to facilitate part positioning; the carrier 13 cooperates to periodically align the placement groove 14 with the needle hole and the mounting slot 12, realizing automatic docking of the needles and parts. This achieves automation of needle insertion, improves production efficiency, and ensures the stability and consistency of insertion quality.

[0041] Preferably, the vibration source 2 includes a flexible vibratory feeder 3 and a hopper 4 that cooperates with the flexible vibratory feeder 3. The flexible vibratory feeder 3 is installed on the worktable 1 and is used to vibrate and discharge the needle body into the hopper 4. The gripper 9 reciprocates between the hopper 4 and the needle hole. Through the flexible vibratory feeder 3, the vibration parameters can be flexibly adjusted to adapt to needle bodies of different specifications, efficiently and orderly conveying the needle body to the hopper 4, reducing needle body damage, and facilitating precise gripping by the gripper 9, thereby effectively improving the efficiency and stability of the overall insertion operation.

[0042] Preferably, the light source 6 is composed of an aperture, and the image acquisition device 7 is composed of a camera and a lens. The image acquisition device 7 acquires images along the illumination position of the light source 6. The combination of the aperture and the camera lens achieves precise lighting and clear imaging, ensuring the accuracy and reliability of needle visual inspection. Two sets of parallel light sources 6 and lenses can be arranged in parallel to achieve uniform illumination and synchronous detection, improving needle detection accuracy. In other embodiments, multiple sets can also be arranged accordingly.

[0043] Preferably, the needle clamping device 8 (such as a cylinder) is used. The cylinder-driven clamping mechanism can quickly and stably clamp the needle.

[0044] Preferably, a pin 15 is provided inside the pin hole. The pin 15 restricts the movement of the pin body, prevents misalignment during insertion, and ensures accurate positioning of the pin body.

[0045] The automatic needle insertion structure also includes a connecting component disposed between the worktable 1 and the gripper 9, and between the worktable 1 and the needle clamping device 8. The connecting component drives the gripper 9 to reciprocate between the discharge end of the vibration source 2 and the needle hole, and drives the needle clamping device 8 to place the needle into the placement groove 14. Through the connecting component, the movement of the gripper 9 and the needle clamping device 8 can be precisely controlled, enabling rapid needle transfer and accurate needle placement by the needle clamping device 8, effectively shortening the operation cycle and improving the efficiency and accuracy of automatic needle insertion.

[0046] Specifically, the connecting components are provided in at least two sets, each set including an X-axis drive source 16 (such as a slide table 10) and a mechanical insertion needle body drive source 17 (such as a slide table 10 or a motor). The X-axis drive source 16 is mounted on the worktable 1, and the mechanical insertion needle body drive source 17 is mounted on the moving end of the X-axis drive source 16. The needle clamping device 8 and the gripper 9 are respectively mounted on the moving ends of different sets of mechanical insertion needle body drive sources 17. A Z-axis drive source 18 (such as a slide table 10) is connected between the mechanical insertion needle body drive source 17 and the gripper 9. Through at least two sets of connecting components, the X-axis, the mechanical insertion needle body, and the Z-axis drive source 18 work together to independently and precisely control the movement of the needle clamping device 8 and the gripper 9, realizing multi-station synchronous operation and effectively improving the efficiency and accuracy of automatic needle insertion.

[0047] In this embodiment, the connecting assembly installed between the needle clamp 8 and the worktable 1 can perform vertical Z-axis movement and horizontal mechanical insertion needle movement. The connecting assembly installed between the gripper 9 and the worktable 1 can perform vertical Z-axis movement and horizontal X-axis mechanical insertion needle movement. In other embodiments, the X-axis, mechanical insertion needle movement, and Z-axis movement can be adjusted as needed.

[0048] Preferably, the worktable 1 is equipped with a slide 10, and the moving slider 11 cooperates with the slide 10 to move back and forth precisely and smoothly along the axis of the needle hole, and finally aligns and inserts with the placement groove 14. This achieves precise docking between the part and the needle body, reduces manual alignment errors, effectively improves the efficiency and accuracy of automatic insertion, and ensures consistent product quality.

[0049] The automatic insertion structure of the needle body also includes a clamping component 19, which is disposed on the moving slider 11. The clamping component 19 on the moving slider 11 can flexibly clamp or open along the mounting slot 12 to accurately fix the parts, prevent displacement during insertion, and effectively improve the stability and reliability of the assembly of the needle body and the parts.

[0050] Specifically, the clamping assembly 19 includes a clamping source 20 and a clamping plate 21. The clamping source 20 (such as a cylinder) is mounted on the moving slider 11, and the clamping plate 21 is mounted on the clamping movement end of the clamping source 20. By using a cylinder as the clamping source 20, the clamping plate 21 can be precisely and quickly driven to perform clamping or opening movements. When the part is placed in the mounting slot 12, the clamping plate 21 quickly clamps and firmly fixes the part, preventing it from shifting during needle insertion. This effectively ensures the accuracy of the part-needle connection and improves product assembly quality and production efficiency.

[0051] Preferably, a mounting plate 22 is installed on the workbench 1. The surface of the mounting plate 22 has holes and slots 23. A power source 24 is installed on the bottom surface of the mounting plate 22. The carrier 13 is set on the top surface of the mounting plate 22. The bottom of the carrier 13 extends into the holes and slots 23 and connects to the moving end of the power source 24 (such as a cylinder). The power source 24 drives the carrier 13 to move. By driving the carrier 13 with a cylinder and using the holes and slots 23 of the mounting plate 22 for guidance, the placement slot 14 on the top surface of the carrier 13 is precisely aligned with the pinhole and mounting slot 12, improving the insertion accuracy. The structure is compact and the movement is reliable.

[0052] Specifically, the top surface of the mounting plate 22 is provided with a slide rail 25 and a sliding block 26. The sliding block 26 is slidably mounted on the slide rail 25, and the carrier 13 is mounted on the sliding block 26. The slide rail 25 and the sliding block 26 cooperate to ensure that the carrier 13 slides smoothly and improves the alignment accuracy.

[0053] Preferably, a telescopic cylinder 27 is installed on the top of the carrier 13 to block the placement slot 14 and prevent the needle from falling off during the movement of the carrier 13.

[0054] Preferably, a positioning block 28 is provided in the placement groove 14. The positioning block 28 is partially embedded in the placement groove 14 and is used to limit the needle body. The positioning block 28 is provided with a mating surface 29 for contacting and engaging with the needle body. The mating surface 29 faces the groove wall of the placement groove 14. By limiting the needle body with the positioning block 28, the mating surface 29 ensures accurate positioning of the needle body, effectively improving the assembly accuracy.

[0055] When installing needles of different lengths, the positioning block 28 can be adjusted to accommodate the differences in needle length, precisely restrict the position of the needle, and ensure that needles of different specifications can be stably and accurately assembled with the parts.

[0056] In this practical example, when installing two needles on a single part, one motion slider 11 is provided, and two sets of connecting components can be symmetrically arranged on the worktable 1. Correspondingly, two sets of vibration source 2, detection component 5, needle clamp 8, gripper 9, motion slider 11, and carrier 13 can also be used in conjunction. Through two sets of symmetrically matched components, the feeding, detection, and insertion of the two needles can be achieved simultaneously, reducing the processing time for a single part, improving production efficiency, reducing equipment space occupation, and optimizing the overall structural layout.

[0057] The automatic needle insertion and installation process in this example is as follows: First, the flexible vibratory feeder 3 transports the needles to the hopper 4 in an orderly manner; the gripper 9, driven by the connecting component, grabs the needle and moves it to the light source 6, where the detection component 5 performs visual inspection; after passing the inspection, the gripper 9 inserts the needle into the needle hole of the needle clamping device 8 and clamps it. Subsequently, the carrier 13, driven by the power source 24, aligns the placement slot 14 with the needle hole to receive the needle; the clamping component 19 fixes the parts, and the moving slider 11 moves along the slide table 10, causing the parts in the mounting slot 12 to insert into the needle in the moving placement slot 14.

[0058] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Although the present utility model has been disclosed above with reference to a preferred embodiment, it is not intended to limit the present utility model. Any person skilled in the art can make some changes or modifications to the above-disclosed technical content to create equivalent embodiments without departing from the scope of the present utility model. Any simple modifications, equivalent changes, and modifications made to the above embodiments based on the present utility model without departing from the scope of the present utility model shall fall within the scope of the present utility model.

Claims

1. An automatic insertion structure for a needle body, characterized in that, include: Workbench; A vibration source is provided on the worktable, and the vibration source is used to orderly convey the needle body; A detection component, disposed on the worktable, is used for visual inspection of needles on a vibration source; the detection unit includes a light source and an image acquisition device both disposed on the worktable, and the image acquisition device acquires images along the illumination position of the light source; A needle clamp is movably mounted on the worktable. The needle clamp has a relatively movable clamping end, which can perform a clamping action to clamp the needle and form a needle hole for inserting the needle in the clamped state. The gripper can open or clamp the needle body and is movably disposed on the worktable, and reciprocates between the discharge end of the vibration source, the irradiation position of the light source and the needle hole; A movable slider is disposed on the worktable, capable of reciprocating along the axial direction of the pinhole. The surface of the motion slider is provided with mounting slots for positioning parts; A carrier is movably mounted on the worktable. The surface of the carrier is provided with a placement groove for accommodating needles. One side of the placement groove is provided with an open end. The open end can periodically align with the needle hole and the mounting slot as the carrier moves. The needle clamp can be adjusted and aligned along the placement groove.

2. The automatic insertion structure for a needle body according to claim 1, characterized in that, The vibration source includes a flexible vibrating plate and a hopper that cooperates with the flexible vibrating plate. The flexible vibrating plate is installed on the worktable and is used to vibrate the needle body to discharge it into the hopper. The gripper reciprocates between the hopper and the needle hole.

3. The automatic insertion structure for a needle body according to claim 1 or 2, characterized in that, It also includes a connecting component disposed between the worktable and the gripper, and between the worktable and the needle clamping device. The connecting component is used to drive the gripper to reciprocate between the discharge end of the vibration source and the needle hole, and to drive the needle clamping device to place the needle into the placement groove.

4. The automatic insertion structure for a needle body according to claim 3, characterized in that, The connecting components are provided in at least two sets. Each set of the connecting components includes an X-axis drive source and a mechanical insertion needle body drive source. The X-axis drive source is mounted on the worktable, and the mechanical insertion needle body drive source is mounted on the moving end of the X-axis drive source. The needle clamp and the gripper are respectively mounted on the moving ends of different sets of mechanical insertion needle body drive sources. A Z-axis drive source is connected between the mechanical insertion needle body drive source and the gripper.

5. An automatic insertion structure for a needle body according to claim 1, 2, or 4, characterized in that, It also includes a clamping component disposed on the motion slider, the clamping component clamping or opening along the mounting slot.

6. The automatic insertion structure for a needle body according to claim 5, characterized in that, The clamping assembly includes a clamping source and a clamping plate. The clamping source is mounted on the moving slider, and the clamping plate is mounted on the clamping moving end of the clamping source. The clamping source drives the clamping plate to clamp or open along the mounting slot.

7. An automatic insertion structure for a needle body according to claim 1, 2, 4, or 6, characterized in that, The needle hole is equipped with a pin, which is used to restrict the movement of the needle body.

8. An automatic insertion structure for a needle body according to claim 1, 2, 4, or 6, characterized in that, A mounting plate is installed on the workbench. The surface of the mounting plate has holes and slots. A power source is installed on the bottom surface of the mounting plate. The carrier is set on the top surface of the mounting plate. The bottom of the carrier extends into the holes and slots and is connected to the moving end of the power source. The power source drives the carrier to move.

9. The automatic insertion structure for a needle body according to claim 8, characterized in that, The top surface of the mounting plate is provided with a slide rail and a sliding block. The sliding block is slidably disposed on the slide rail, and the carrier is mounted on the sliding block.

10. An automatic insertion structure for a needle body according to claim 1, 2, 4, 6, or 9, characterized in that, The placement groove is provided with a positioning block, which is partially embedded in the placement groove and used to limit the needle body. The positioning block is provided with a mating surface for contacting and engaging with the needle body, and the mating surface faces the groove wall of the placement groove.