A polishing apparatus for hand sewing needle processing

Abstract

The utility model discloses a kind of polishing equipment for hand sewing needle processing, belong to hand sewing needle polishing technical field, comprising: support frame, polishing mechanism and screening mechanism;Screening mechanism includes screening component and blowing assembly;The screening component includes assembly shell, screen and electric push rod;The blowing assembly includes blowing shell and fan.The limiting guide movement of screen can be carried out using through groove, electric push rod telescopic end rod body is connected with the side of connecting block, when electric push rod drives, it can make screen reciprocating high-frequency micro-amplitude vibration inside assembly shell, the removal rate of diamond sand to needle nose part can be improved by dynamic screening, multiple fans in blowing shell form ladder type air pressure distribution through through hole, both can blow off adhered particle, also avoid needle body to produce collision damage due to excessive wind force, the taper design of through hole can make airflow speed, form focused blowoff effect, effectively improve the residual removal rate of needle tip part.

Description

Technical Field

[0001] This utility model specifically relates to a polishing device for processing hand sewing needles, belonging to the field of hand sewing needle polishing technology. Background Technology

[0002] As one of the oldest tools used by humankind, the manufacturing process of sewing needles has undergone a long evolution from primitive manual methods to modern mechanization. Polishing, as a key process in the manufacture of hand sewing needles, directly affects the surface smoothness, corrosion resistance, and performance of the needle. Currently, there are various sewing machine needle polishing technologies on the market, which can be divided into three main categories according to their principles: mechanical polishing, fluid polishing, and composite polishing.

[0003] Currently, vibratory polishing is a key process in the production of hand sewing needles. By mixing the needle body with machine oil and diamond powder and placing it in a polishing device for vibration and friction, the surface smoothness is improved. However, after polishing, a large amount of machine oil and diamond powder mixture will adhere to the surface of the needle body. It must be effectively separated before it can enter the subsequent process. Although mechanical sieving equipment is simple and has a large processing capacity, it has obvious technical defects. Fine diamond powder will still adhere to the surface of the needle body, especially in complex parts such as the needle eye and needle tip. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies by providing a polishing device for hand sewing needles. This device utilizes four sets of connecting blocks on both sides of a double-layer screen, which pass through corresponding slots inside the assembly shell. These slots guide and limit the movement of the screen. An electric push rod connects to one side of each connecting block via its telescopic end. When driven by the electric push rod, the screen vibrates back and forth at high frequency within the assembly shell, achieving dynamic sieving and improving the removal rate of abrasive particles from the needle eye. Multiple fans within the blowing shell create a stepped air pressure distribution through through-holes, effectively blowing away adhering particles while preventing damage to the needle due to excessive airflow. The gradually narrowing design of the through-holes allows for focused airflow, effectively improving the removal rate of residues at the needle tip.

[0005] A polishing device for processing hand sewing needles includes: a support frame, a polishing mechanism, and a screening mechanism;

[0006] The screening mechanism includes a screening component and a blowing component. The screening component is used to screen and separate the polished needle body, machine oil and diamond powder. The blowing component is used to blow air on the screened needle body to assist in the separation of diamond powder from the needle body.

[0007] The screening assembly includes an assembly shell, a screen, and an electric push rod. The screen has a double-layer design, wherein the screen is movably disposed inside the assembly shell.

[0008] The blowing assembly is located above the screening assembly. The blowing assembly includes a blowing shell and a blower. Multiple blowers are arranged inside the blowing shell. Multiple through holes are opened through the inside of the blowing shell, wherein the diameter of the through holes is gradually reduced. The blowing shell is located above the screen.

[0009] Furthermore, a controller is provided on the front of the support frame, and a guide groove is provided on the top of the support frame.

[0010] Furthermore, the polishing mechanism includes a rotating component and an angle adjusting component. The rotating component includes a primary motor, a mounting frame, and a polishing barrel. The primary motor is disposed on the top inner wall of the support frame, the mounting frame is disposed on the top end of the output shaft of the primary motor, and the polishing barrel is rotatably disposed within the mounting frame.

[0011] Furthermore, the bottom end of the mounting bracket is provided with multiple sets of balls, wherein the balls are arranged in a ring-shaped, equally spaced array, and the multiple sets of balls are inserted into the guide groove.

[0012] Furthermore, the angle adjustment assembly includes a first gear, a second gear, and a second motor. The first gear is located at one end of a shaft on one side of the polishing barrel. A protective shell is provided on one side of the mounting bracket. The second motor is located on one side of the protective shell. The second gear is located at one end of the output shaft of the second motor, wherein the second gear meshes with the first gear.

[0013] Furthermore, the assembly shell is located on the back of the support frame, and multiple sets of through slots are opened through the interior of the assembly shell. Connecting blocks are provided on both sides of the screen, wherein the connecting blocks pass through the interior of the corresponding through slots, and the telescopic end of the electric push rod is connected to one side of the connecting block.

[0014] Furthermore, the assembly shell is provided with three sets of feeding shells inside, wherein the feeding shells are located below the corresponding screens.

[0015] Furthermore, two sets of guide frames are provided on the outer side of the assembly shell, and sliding plates are movably sleeved on the outer side of both sets of guide frames. Both sets of sliding plates are connected to both ends of the blower shell. Bolts are provided inside the sliding plates. Multiple sets of through holes are opened through the interior of the blower shell, and the blower shell is located above the screen. Beneficial effects

[0016] Equipped with a screening mechanism, four sets of connecting blocks on both sides of the double-layer screen pass through corresponding slots inside the assembly shell. These slots guide and limit the movement of the screen. The telescopic end of the electric push rod connects to one side of the connecting block. When driven by the electric push rod, the screen vibrates back and forth at high frequency and micro-amplitude inside the assembly shell. This dynamic screening improves the removal rate of diamond abrasive from the needle nose. Multiple fans inside the blowing shell form a stepped air pressure distribution through the through holes. This not only blows off attached particles but also prevents the needle from being damaged by collision due to excessive airflow. The gradually narrowing design of the through holes allows the airflow speed to form a focused sweeping effect, effectively improving the removal rate of residues at the needle tip.

[0017] By setting a guide frame, a sliding plate is movably sleeved on the outside of the guide frame. The guide frame can limit and guide the movement of the sliding plate, flexibly adjusting the position of the blower shell above the screen. By rotating the bolts to press the guide frame, the sliding plate can be positioned. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0019] Figure 2 This is a schematic diagram of the cross-sectional structure of the polishing bucket of this utility model;

[0020] Figure 3 This is a schematic diagram of the assembly shell structure of this utility model;

[0021] Figure 4 This is a schematic diagram of the exploded structure of the screen and assembly shell of this utility model;

[0022] Figure 5 This is a schematic diagram of the cross-sectional structure of the blower shell of this utility model;

[0023] Figure 6 In this utility model Figure 2 A magnified view of the local structure at point A.

[0024] In the diagram: 1. Support frame; 2. Controller; 3. Guide groove; 4. Motor No. 1; 5. Mounting frame; 6. Ball bearing; 7. Polishing bucket; 8. Gear No. 1; 9. Protective shell; 10. Motor No. 2; 11. Gear No. 2; 12. Assembly shell; 13. Through groove; 14. Screen; 15. Connecting block; 16. Electric push rod; 17. Discharge shell; 18. Guide frame; 19. Sliding plate; 20. Bolt; 21. Blower shell; 22. Blower; 23. Through hole. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] Please see Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, a polishing device for processing hand sewing needles;

[0027] Includes: support frame 1, polishing mechanism and screening mechanism;

[0028] The screening mechanism includes a screening component and a blowing component. The screening component is used to screen and separate the polished needle body, machine oil and diamond powder. The blowing component is used to blow air on the screened needle body to assist in the separation of diamond powder from the needle body.

[0029] The screening assembly includes an assembly housing 12, a screen 14, and an electric push rod 16. The screen 14 has a double-layer design, and the screen 14 is movably disposed inside the assembly housing 12.

[0030] The blowing assembly is located above the screening assembly. The blowing assembly includes a blowing shell 21 and a blower 22. Multiple blowers 22 are arranged inside the blowing shell 21. Multiple through holes 23 are opened through the inside of the blowing shell 21. The diameter of the through holes 23 is gradually reduced. The blowing shell 21 is located above the screen 14. The assembly shell 12 is located on the back of the support frame 1. Multiple through slots 13 are opened through the inside of the assembly shell 12. Connecting blocks 15 are provided on both sides of the screen 14. The connecting blocks 15 pass through the inside of the corresponding through slots 13. The telescopic end of the electric push rod 16 is connected to one side of the connecting block 15. Three sets of discharge shells 17 are provided inside the assembly shell 12. The discharge shells 17 are located below the corresponding screen 14. Two sets of guide frames 18 are provided on the outside of the assembly shell 12. Sliding plates 19 are movably sleeved on the outside of the two sets of guide frames 18. The two sets of sliding plates 19 are connected to both ends of the blowing shell 21. Bolts 20 are provided inside the sliding plates 19.

[0031] The double-layer screen 14 adopts a coarse upper and fine lower aperture configuration (100 mesh upper layer and 200 mesh lower layer) to achieve particle size classification and recycling of corundum, so that the particle size ratio is kept stable when the medium is reused. The non-fixed connection design between the screen 14 and the assembly shell 12, together with the reciprocating motion of the electric push rod 16, can automatically shake off the blocking particles.

[0032] The four sets of connecting blocks 15 on both sides of the double-layer screen 14 pass through the corresponding through slots 13 inside the assembly shell 12. The through slots 13 can limit and guide the movement of the screen 14. The telescopic end of the electric push rod 16 is connected to one side of the connecting block 15. When the electric push rod 16 is driven, the screen 14 can reciprocate back and forth in the assembly shell 12 at high frequency and micro amplitude. Through dynamic screening, the removal rate of diamond at the needle eye can be improved.

[0033] The sliding plate 19 is movably sleeved on the outside of the guide frame 18. The guide frame 18 can limit and guide the sliding plate 19 to move, flexibly adjusting the position of the blower shell 21 above the screen 14. The guide frame 18 can be rotated and pressed by the bolt 20 to position the sliding plate 19.

[0034] Multiple fans 22 inside the blower housing 21 form a stepped air pressure distribution (adjustable from 50 to 200 Pa) through the through holes 23. This can blow off the attached particles and prevent the needle body from being damaged by collision due to excessive air force. The tapered design of the through holes 23 can make the airflow speed form a focused purging effect, effectively improving the residue removal rate of the needle tip.

[0035] Please see Figure 1 , Figure 2 and Figure 6 As shown, a polishing device for processing hand sewing needles;

[0036] The support frame 1 has a controller 2 on its front side and a guide groove 3 at its top. The polishing mechanism includes a rotating component and an angle-adjusting component. The rotating component includes a first motor 4, a mounting frame 5, and a polishing barrel 7. The first motor 4 is located on the top inner wall of the support frame 1. The mounting frame 5 is located at the top of the output shaft of the first motor 4. The polishing barrel 7 is rotatably mounted inside the mounting frame 5. The bottom of the mounting frame 5 is provided with multiple sets of balls 6, which are arranged in a ring with equal spacing. The multiple sets of balls 6 are inserted into the guide groove 3. The angle-adjusting component includes a first gear 8, a second gear 11, and a second motor 10. The first gear 8 is located at one end of the shaft on one side of the polishing barrel 7. A protective shell 9 is provided on one side of the mounting frame 5. The second motor 10 is located on one side of the protective shell 9. The second gear 11 is located at one end of the output shaft of the second motor 10, and the second gear 11 is meshed with the first gear 8.

[0037] The support frame 1 serves as the basic load-bearing structure of the equipment. The controller 2 is electrically connected to the electrical components inside the polishing equipment. The controller 2 can regulate the operation of the electrical components inside the polishing equipment. The mounting frame 5 is connected to the top of the output shaft of the first motor 4. During the drive of the first motor 4, the mounting frame 5 can rotate at the top of the support frame 1. Multiple sets of balls 6 at the bottom of the mounting frame 5 can rotate inside the annular guide groove 3. The guide groove 3 can guide the rotation of the mounting frame 5. The annularly spaced balls 6 not only play a guiding role, but also convert sliding friction into rolling friction, reduce rotational resistance, and save energy, thereby realizing the rotation of the polishing barrel 7. The diamond and machine oil stored inside the polishing barrel 7 can polish the inserted needles.

[0038] Gear 8 and gear 11 adopt a 6-stage precision helical gear design. The second motor 10 can continuously adjust the tilt angle of the polishing barrel 7 from 0 to 110° to meet different polishing requirements from ordinary household needles to medical curved needles. For example, when processing curved surgical needles, a 15° tilt angle can improve the polishing uniformity by 30%. The protective shell 9 not only protects the gear pair, but also has a built-in temperature sensor. When continuous operation is overloaded, it will automatically stop to avoid damage to the equipment. A battery can be installed on one side of the protective shell 9 to power the second motor 10.

[0039] The equipment's workflow follows a continuous process route of "polishing - screening - purging". First, the needle body is vibrated and polished in the polishing tank 7. Then, the material directly enters the screening mechanism for primary separation. Finally, residual particles are removed with the help of wind power. This continuous process avoids cross-contamination and efficiency loss caused by material transfer in traditional processes, and is particularly suitable for the production needs of large batches of hand sewing needles.

[0040] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0041] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A polishing device for processing hand sewing needles, characterized in that, include: Support frame (1), polishing mechanism and screening mechanism; The screening mechanism includes a screening component and a blowing component. The screening component is used to screen and separate the polished needle body, machine oil and diamond powder. The blowing component is used to blow air on the screened needle body to assist in the separation of diamond powder from the needle body. The screening assembly includes an assembly shell (12), a screen (14) and an electric push rod (16). The screen (14) has a double-layer design, wherein the screen (14) is movably disposed inside the assembly shell (12). The blowing assembly is located above the screening assembly. The blowing assembly includes a blowing shell (21) and a blower (22). Multiple blowers (22) are arranged inside the blowing shell (21). Multiple through holes (23) are opened through the inside of the blowing shell (21). The diameter of the through holes (23) is gradually reduced. The blowing shell (21) is located above the screen (14).

2. The polishing equipment for processing hand sewing needles as described in claim 1, characterized in that: The support frame (1) has a controller (2) on its front side and a guide groove (3) on its top.

3. The polishing equipment for processing hand sewing needles as described in claim 1, characterized in that: The polishing mechanism includes a rotating component and an angle adjusting component. The rotating component includes a first motor (4), a mounting frame (5), and a polishing barrel (7). The first motor (4) is located on the top inner wall of the support frame (1). The mounting frame (5) is located at the top of the output shaft of the first motor (4). The polishing barrel (7) is rotatably located inside the mounting frame (5).

4. The polishing equipment for processing hand sewing needles as described in claim 3, characterized in that: The bottom end of the mounting bracket (5) is provided with multiple sets of balls (6), wherein the balls (6) are arranged in a ring-shaped, equally spaced array, and the multiple sets of balls (6) are inserted into the guide groove (3).

5. The polishing equipment for processing hand sewing needles as described in claim 3, characterized in that: The angle adjustment assembly includes a first gear (8), a second gear (11), and a second motor (10). The first gear (8) is located at one end of the shaft on one side of the polishing barrel (7). A protective shell (9) is provided on one side of the mounting bracket (5). The second motor (10) is located on one side of the protective shell (9). The second gear (11) is located at one end of the shaft at the output end of the second motor (10). The second gear (11) meshes with the first gear (8).

6. The polishing equipment for processing hand sewing needles as described in claim 1, characterized in that: The assembly shell (12) is located on the back of the support frame (1). Multiple sets of through slots (13) are opened through the interior of the assembly shell (12). Connecting blocks (15) are provided on both sides of the screen (14). The connecting blocks (15) pass through the interior of the corresponding through slots (13). The telescopic end of the electric push rod (16) is connected to one side of the connecting block (15).

7. The polishing equipment for processing hand sewing needles as described in claim 1, characterized in that: The assembly shell (12) is provided with three sets of feeding shells (17) inside, wherein the feeding shells (17) are located below the corresponding screens (14).

8. The polishing equipment for processing hand sewing needles as described in claim 1, characterized in that: Two sets of guide frames (18) are provided on the outside of the assembly shell (12). Sliding plates (19) are movably sleeved on the outside of the two sets of guide frames (18). The two sets of sliding plates (19) are connected to both ends of the blower shell (21). Bolts (20) are provided inside the sliding plates (19).

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