Full-automatic needle changing mechanism of sewing machine needle
By designing a fully automatic sewing machine needle replacement mechanism, using split needle box structure and embedded steel bar technology, the existing sewing machine needle replacement mechanism has solved the problem of high cost and low efficiency, and achieved efficient, safe and low-cost needle management.
Patent Information
- Application Number
- CN202421717838.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-19
- Publication Date
- 2025-06-17
- Estimated Expiration
- 2034-07-19
AI Technical Summary
Due to the uniqueness of the needle size specifications of the existing sewing machine needle change mechanism, the equipment cost is high, the market acceptance is limited, and the operation efficiency and safety are insufficient.
A fully automatic needle changing mechanism for sewing machine needles is designed, and the split needle box structure is combined with a push rod motor and needle conveying slider. The automatic arrangement and movement of the needles are achieved through the extrusion of the counterweight block, and the embedded steel bar technology is used to enhance the structural strength of the needle box.
It realizes efficient automatic needle change, significantly improving the speed and accuracy of needle change, reducing the operator's working strength and operation difficulty, improving the production efficiency and convenience of the sewing machine, and reducing costs and extending the service life of the equipment.
Smart Images
Figure CN222990364U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of sewing machine needles, in particular to a full-automatic needle-changing mechanism for sewing machine needles. Background Art
[0002] In the process of clothing production, different categories require different sewing equipment, and different sewing equipment requires corresponding sewing machine needles. In order to meet the needle-changing needs of various sewing machine needles, the previous needle-changing mechanism, due to the uniqueness of the needle size specifications, had to set up a huge needle base, and some had up to 36 needle-out groups. Against this background, in recent years, several needle management products have emerged on the market. One relatively large device uses face recognition to confirm identity and then performs automatic needle changing. Although the efficiency is high, due to the high cost and dependence on traditional local communication and embedded chips or PIC development, the market acceptance is limited. It uses traditional local communication, plus some hardware costs, so the market cannot accept it in large quantities.
[0003] Therefore, we propose a full-automatic needle-changing mechanism for sewing machine needles. Content of the Utility Model
[0004] The utility model mainly solves the above-mentioned existing technical problems and provides a full-automatic needle-changing mechanism for sewing machine needles.
[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme. A full-automatic needle-changing mechanism for sewing machine needles includes a base table. A row of sewing machine needles is arranged on the base table. A vertical needle box 1 and a horizontal needle box 2 are arranged on the base table. The vertical connection of the vertical needle box 1 and the horizontal needle box 2 is movably connected through a fastener.
[0006] The horizontal needle box 2 is composed of two groups of parallel plates, and three circular hole channels are symmetrically arranged on the inner side wall surfaces between the two groups of horizontal needle box 2. Two reinforcing bar bodies are inserted into two holes in each group of circular hole channels. The sewing machine needles are sequentially placed between the two parallel reinforcing bar bodies from top to bottom. A needle box base is installed at the top of the base table below the horizontal needle box 2. A needle support plate main body is installed on the needle box base. A needle transporting slider is arranged below the needle support plate main body. A needle transporting groove corresponding to the needle stopping groove up and down is arranged on the needle transporting slider. A push rod motor rod is arranged on the base table, and the output rod of the push rod motor rod is connected to the needle transporting slider.
[0007] Preferably, the two holes in each group of circular hole channels are combined to form a cylindrical channel with a radius of 3 mm.
[0008] Preferably, the vertical needle box is divided into left and right parts. Through the connection of fasteners, the two parts are combined into an integral vertical needle box 1. There is a high-precision flat space inside the vertical needle box 1. The shank of the sewing needle descends in the flat space, and the tip part is located outside the vertical needle box 1.
[0009] Preferably, the round hole channel has an opening of 30 degrees on the surface where the needle box contacts the sewing needle.
[0010] Preferably, the spring steel balls are provided on the inner sides of both sides of the needle box base. When the vertical needle box 1 is inserted into the needle box base, the spring steel balls lock the vertical needle box 1 on the needle box base.
[0011] Preferably, the edge of the main body of the needle support plate is thick, and a 15-degree slope is formed in the middle. A needle stop groove is provided in the middle of the main body of the needle support plate. Mother-and-son buckles are provided at the four corners of the main body of the needle support plate. Two main bodies of the needle support plate are buckled to form a closed needle box.
[0012] Preferably, a layer of needle box side plates is symmetrically installed on the outside of the vertical needle box 1.
[0013] Preferably, a counterweight block is arranged inside the vertical needle box 1. The counterweight block slides up and down inside the vertical needle box 1 and is located in the flat space of the vertical needle box 1. The sewing needle is pressed downward by the counterweight block.
[0014] Beneficial effects
[0015] The present utility model provides a full-automatic needle-changing mechanism for a sewing machine needle. It has the following beneficial effects:
[0016] 1. The full-automatic needle-changing mechanism for a sewing machine needle has an efficient automatic needle-changing function: The full-automatic needle-changing mechanism adopts a split-type needle box structure, combined with a push rod motor and a needle-moving slider, to achieve an efficient automatic needle-taking function. Through the extrusion of the counterweight block, the sewing needles are successfully arranged and moved to the groove at the bottom of the needle box, and then pushed to the needle outlet by the needle-moving slider. This automated process significantly improves the speed and accuracy of needle changing, effectively reduces the working intensity and operation difficulty of the operator, and greatly improves the production efficiency and use convenience of the sewing machine.
[0017] 2. The full-automatic needle-changing mechanism for a sewing machine needle has improved structural strength and durability: The present utility model significantly improves the physical properties and durability of the needle box by embedding three steel bars in the plastic needle box. The addition of the steel bars not only enhances the load-bearing capacity of the overall structure but also ensures the stability and anti-deformation ability of the needle box during repeated use. This design enables the mechanism to withstand continuous and high-frequency use, extending the service life of the equipment.
[0018] 3. The full-automatic needle-changing mechanism for a sewing machine needle has remarkable cost-effectiveness: This design adopts embedded steel bar technology, enabling the originally single-material plastic needle box to achieve high strength through one-time molding, significantly saving material and subsequent processing costs. It reduces additional processing steps and material waste, maximizing cost efficiency and providing a more economical option for manufacturers and users.
[0019] 4. The full-automatic needle-changing mechanism for a sewing machine needle enhances operation safety: The new mechanism uses a needle slot horizontal needle exit design to replace the traditional needle tip outward needle exit method, reducing the risk of injury caused by the needle tip during operation. In addition, this needle exit method makes the needle replacement process smoother and safer, reducing needle breakage and flying-off accidents caused by improper operation and enhancing the safety of the working environment. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only exemplary, and for those of ordinary skill in the art, without creative efforts, other implementation drawings can also be obtained based on the provided drawings.
[0021] The structures, ratios, sizes, etc. disclosed in this specification are only used to cooperate with the content disclosed in the specification for those familiar with this technology to understand and read, and are not used to limit the limiting conditions for the implementation of the present utility model. Therefore, they do not have technical substance. Any modification of the structure, change of the proportional relationship, or adjustment of the size, without affecting the effects that the present utility model can produce and the purposes that can be achieved, should still fall within the scope covered by the technical content disclosed in the present utility model.
[0022] Figure 1 It is a front view of the installation of the needle-changing mechanism of the present utility model;
[0023] Figure 2 It is a side view of the needle-changing mechanism of the present utility model;
[0024] Figure 3 It is a side view of the main body of the needle support plate of the present utility model;
[0025] Figure 4 It is a bottom view of the main body of the needle support plate of the present utility model.
[0026] Legend Explanation:
[0027] 1. Base platform; 2. Vertical needle box one; 3. Horizontal needle box two; 301. Needle box side plate; 4. Round hole channel; 5. Steel bar body; 6. Needle box base; 601. Needle support plate main body; 602. Needle stop groove; 603. Mother and son buckle; 604. Spring steel ball; 7. Needle transporting slider; 701. Needle transporting groove; 702. Push rod motor rod; 8. Counterweight block. Detailed implementation manners
[0028] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
[0029] Embodiment: A fully automatic needle changing mechanism for sewing machine needles, as Figure 1 - Figure 4 shown, includes a base platform 1, a row of sewing machine needles are arranged on the base platform 1, a vertical needle box one 2 and a horizontal needle box two 3 are arranged on the base platform 1, and the vertical connection part of the vertical needle box one 2 and the horizontal needle box two 3 is movably connected through a fastener; the horizontal needle box two 3 is composed of two groups of parallel plates, and three round hole channels 4 are symmetrically arranged on the inner side wall surfaces between the two groups of horizontal needle box two 3, and a steel bar body 5 is inserted into each of the two holes in each group of round hole channels 4, and the sewing machine needles are sequentially placed from top to bottom between the two parallel steel bar bodies 5; a needle box base 6 is installed at the top of the base platform 1 and is located below the horizontal needle box two 3, a needle support plate main body 601 is installed on the needle box base 6, a needle transporting slider 7 is arranged below the needle support plate main body 601, a needle transporting groove 701 corresponding to the needle stop groove 602 up and down is arranged on the needle transporting slider 7, and a push rod motor rod 702 is arranged on the base platform 1, and the output rod of the push rod motor rod 702 is connected to the needle transporting slider 7.
[0030] Furthermore, the two holes in each group of round hole channels 4 are combined to form a cylindrical channel with a radius of 3 mm. Among them, the effects of the steel bar body 5 are:
[0031] A. According to the changes of different models of sewing machine needles, set the tail needle seam distance, which greatly saves molds.
[0032] B. During the downward sliding of the sewing machine needle, the overall contact points are all metal surfaces, and the sewing machine needle descends smoothly and reliably.
[0033] Further, the vertical needle box 1 is divided into two parts on the left and right. Through the connection of fasteners, the two parts are combined into an integral vertical needle box 1. There is a high-precision flat space inside the vertical needle box 1. The shank of the sewing needle descends in the flat space, and the tip part is located outside the vertical needle box 1.
[0034] Further, the circular hole channel 4 is provided with an opening of 30 degrees on the surface where the needle box contacts the sewing needle.
[0035] Further, the spring steel balls 604 are provided on the inner sides of both sides of the needle box base 6. When the vertical needle box 1 is inserted into the needle box base 6, the spring steel balls 604 lock the vertical needle box 1 on the needle box base 6. In this technical solution, users can replace the needle boxes corresponding to different needle models according to different needle models. Because the new structure is modular design, the needle boxes can be interchanged without changing the needle box base. That is to say, for several needles of different categories, as long as a corresponding needle box of a different model is replaced, all categories of needles can be replaced, which greatly saves production costs, transportation costs, site costs, and usage costs.
[0036] Further, the edge of the needle support plate body 601 is thick and forms a 15-degree slope with the middle. A needle stop groove 602 is provided in the middle of the needle support plate body 601. Mother-child buckles 603 are provided at the four corners of the needle support plate body 601. Two needle support plate bodies 601 are buckled to form a closed needle box.
[0037] Further, a layer of needle box side plates 301 is symmetrically installed on the outside of the vertical needle box 1 to protect the outside of the vertical needle box 1.
[0038] Further, a counterweight block 8 is arranged inside the vertical needle box 1. The counterweight block 8 slides up and down inside the vertical needle box 1 and the counterweight block 8 is located in the flat space of the vertical needle box 1. The sewing needle is extruded downward by the counterweight block 8. In the case of this utility model, a counterweight block 8 is provided in the vertical needle box 1. In the flat space of the vertical needle box 1, the gravity of natural drooping is used to extrude the sewing needle downward to help the sewing needles be neatly arranged. Inside the vertical needle box 1, a limiting groove is provided. When the needle box runs out of the last sewing needle, the counterweight block 8 cannot continue to fall.
[0039] The embodiment of the utility model discloses an automatic needle taking structure in the management of sewing machine needles, including a split needle box structure, through steel bars on both sides of the plastic needle box needle outlet, a through metal limiting rod inside the needle box, and the arranged needles are extruded by the counterweight block and reach the groove at the bottom of the needle box. The push rod motor works to drive the needle moving slider to bring the sewing needle in the groove to the needle outlet to complete the needle taking. The three embedded steel bars of the utility model change the properties of the plastic, saving the material cost to the greatest extent, especially the later processing cost, achieving one-time molding, beauty, high strength, and high precision.
[0040] The design of needle ejection in the horizontal direction of the needle groove replaces the original needle ejection method with the needle tip facing outward with a new innovative structure.
[0041] The working principle of the present utility model: Main effects and the realized structure
[0042] Automatic needle picking and efficient needle changing:
[0043] The split-type needle box structure cooperates with the push rod motor and the needle moving slider to achieve the function of automatic needle picking. This combination allows the sewing needles to be squeezed by the counterweight block after being arranged, smoothly move to the groove at the bottom of the needle box, and then be pushed to the needle ejection port by the needle moving slider. This automated process significantly improves the speed and accuracy of needle changing, while reducing the need for manual operation.
[0044] Savings in material costs and processing costs:
[0045] Plastic parts embedded with steel bars technology. This design not only enhances the structural strength of the needle box, but also effectively saves material and processing costs. The embedded steel bars enhance the physical properties of the plastic, enabling the needle box to withstand greater operating pressures without deformation, and at the same time achieving one-time molding, reducing the need for multiple processing.
[0046] High strength and high precision:
[0047] The plastic structure reinforced with steel bars not only improves the mechanical strength, but also ensures the high precision of the sewing needle manager through precise mold design and manufacturing process. This helps to improve the overall performance and sewing quality of the sewing machine.
[0048] Technological innovation
[0049] Plastic parts embedded with steel bars technology:
[0050] This technology changes the mechanical properties and durability of the traditional plastic needle box by embedding steel bars into the plastic needle box. This structural innovation not only strengthens the needle box, but also improves its durability and load-bearing capacity.
[0051] Horizontal needle ejection design:
[0052] The innovative needle ejection method in the horizontal direction of the needle groove replaces the traditional needle ejection method with the needle tip facing outward. This design reduces the risk of needle tip damage, and at the same time makes the needle ejection process smoother, improving safety and operation convenience.
[0053] The combination of these technologies and designs not only improves the performance of the sewing machine, but also ensures higher production efficiency and cost-effectiveness. Through these innovations, the sewing machine needle manager of the present utility model significantly optimizes the operation process and cost structure of the sewing machine, making it more suitable for the modern high-efficiency sewing environment.
[0054] The above has shown and described the basic principles, main features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principles of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.
Claims
1. A fully automatic needle changing mechanism for sewing machine needles, comprising a base (1), on which a row of needles is arranged, characterized in that: The base platform (1) is provided with a vertical needle box (2) and a horizontal needle box (3), and the vertical connection between the vertical needle box (2) and the horizontal needle box (3) is movably connected by a fastener; The second transverse needle box (3) is composed of two groups of parallel plates, and three groups of circular hole channels (4) are symmetrically opened on the inner wall surface between the two groups of transverse needle boxes (3), and the two holes in each group of circular hole channels (4) are inserted with steel bar bodies (5), and the sewing machine needles are sequentially placed between the two parallel groups of steel bar bodies (5) from top to bottom; a needle box base (6) located below the second transverse needle box (3) is installed on the top of the base platform (1), a needle support plate body (601) is installed on the needle box base (6), and a needle moving slide block (7) is arranged below the needle support plate body (601), and a needle moving groove (701) corresponding to the needle stop groove (602) is opened on the needle moving slide block (7), and a push rod motor rod (702) is arranged on the base platform (1), and the output rod of the push rod motor rod (702) is connected to the needle moving slide block (7).
2. The fully automatic needle changing mechanism for sewing machine needles according to claim 1, characterized in that: The two holes in each group of circular hole channels (4) are combined to form a cylindrical channel with a radius of 3 mm.
3. The fully automatic needle changing mechanism for sewing machine needles according to claim 1, characterized in that: The vertical needle box (2) is divided into two parts, left and right, which are connected by fasteners to combine the two parts into an integral vertical needle box (2). The interior of the vertical needle box (2) has a high-precision flat space, the needle handle of the machine needle moves downward in the flat space, and the needle tip is located outside the vertical needle box (2).
4. The fully automatic needle changing mechanism for sewing machine needles according to claim 1, characterized in that: The circular hole channel (4) is provided with a thirty-degree opening on the surface where the needle box and the machine needle contact.
5. The fully automatic needle changing mechanism for sewing machine needles according to claim 1, characterized in that: Spring steel balls (604) are arranged on the inner sides of both sides of the needle box base (6). When the vertical needle box one (2) is inserted into the needle box base (6), the spring steel balls (604) lock the vertical needle box one (2) on the needle box base (6).
6. The fully automatic needle changing mechanism for sewing machine needles according to claim 1, characterized in that: The edge of the needle support plate body (601) is thick and forms a 15-degree slope in the middle. A needle stop groove (602) is provided in the middle of the needle support plate body (601). Snap buckles (603) are provided on the four corners of the needle support plate body (601). Two needle support plate bodies (601) are buckled together to form a closed needle box.
7. The fully automatic needle changing mechanism for sewing machine needles according to claim 1, characterized in that: A layer of needle box side panels (301) is symmetrically mounted on the outer side of the vertical needle box 1 (2).
8. The fully automatic needle changing mechanism for sewing machine needles according to claim 1, characterized in that: A counterweight (8) is arranged inside the vertical needle box (2). The counterweight (8) slides up and down inside the vertical needle box (2) and the counterweight (8) is located in the flat space of the vertical needle box (2). The machine needle is pressed downward by the counterweight (8).