A bracelet pin manufacturing device

Abstract

The application discloses a hand chain pin manufacturing device and belongs to the technical field of jewelry processing and production. The device comprises a rack for supporting and mounting, a feeding structure installed on the rack, which can continuously supply long metal strips, an alternate feeding structure installed on the rack and receiving the long metal strips from the feeding structure, the alternate feeding structure comprising a burning feeding part and a cutting feeding part, the burning feeding part and the cutting feeding part alternately pushing out the long metal strips, a burning structure installed on the rack and located below the alternate feeding structure, the burning structure burning the end part of the long metal strip pushed by the burning feeding part and forming a ball head, and a cutting structure provided with a cutting knife, which can cut the long metal strip fed by the cutting feeding part. The application can solve the technical problems that the ball head type hand chain pins are mostly manually burned, the efficiency is low, the cost is high, and the shapes of the ball heads are inconsistent.

Description

Technical Field

[0001] This invention relates to the field of jewelry processing and production technology, and in particular to a device for making bracelet chain pins. Background Technology

[0002] Bracelets are frequently used in wearable jewelry. There are many forms of bracelets, including watchband-style bracelets, which use multiple pins to connect various movable parts in a long, strap-like shape. One type of bracelet pin has both ends fired into ball heads. The movable parts are then secured within these ball heads. The rounded surface of the ball heads is gentle on the hands and also serves as a decorative element. Bracelets made with ball-head pins are becoming increasingly popular. The assembly process involves first inserting the pin with the ball head into the connector, then firing the other end to create a pin with ball heads at both ends.

[0003] In jewelry factories, traditional ball-shaped bracelet chain pins are mostly hand-fired. The process involves cutting a long strip of metal into small segments, melting one end of each segment with a flame torch to form a spherical shape, and then allowing it to cool and adhere to the end of the metal segment, creating a ball-shaped chain pin, which is then used in bracelet making. This method has the following problems: 1. Manual firing is inefficient and costly. 2. The firing time and areas being fired can vary slightly, resulting in inconsistent ball shapes and affecting the aesthetics.

[0004] Therefore, it is necessary to invent a device for firing the aforementioned bracelet chain pins with a ball at one end, so as to improve the production efficiency of bracelet chain pins and enhance product quality. Summary of the Invention

[0005] The purpose of this invention is to provide a bracelet pin manufacturing device to address the above-mentioned problems, thereby solving the technical issues of low efficiency, high cost, and inconsistent ball shape in ball-shaped bracelet pins, which are mostly manufactured by manual firing.

[0006] To achieve the above objectives, the technical solution adopted by the present invention is as follows:

[0007] A bracelet chain pin making device, comprising

[0008] The frame is used to support the installation.

[0009] A feeding structure, mounted on the frame, is provided to continuously supply long strips of metal.

[0010] An alternating feed structure is mounted on the frame and receives the long strip of metal from the feeding mechanism; the alternating feed structure includes a firing feed section and a cutting feed section for the long strip of metal, the firing feed section and the cutting feed section alternately pushing out the long strip of metal;

[0011] A firing structure is mounted on the frame and located below the alternating feed structure. The firing structure fires the long metal end of the firing feed section and forms a ball head.

[0012] The cutting structure includes a cutting blade that can cut the long strip of metal fed by the cutting feed section.

[0013] Furthermore, the feeding structure includes a material roll and a straightening device. The material roll transfer device is installed on the upper part of the frame, and the straightening device is located between the material roll and the alternating feeding structure. The long strip of metal from the material roll enters the alternating feeding structure through the straightening device.

[0014] Furthermore, both the firing feed unit and the cutting feed unit include a feed base, a feed clamp, a first telescopic structure, and a first reciprocating slide. The first reciprocating slide is mounted on the feed base and slides back and forth at an adjustable distance. The feed clamp is mounted on the first reciprocating slide, and the first telescopic structure drives the first reciprocating slide to reciprocate.

[0015] Furthermore, the feed clamp includes two clamping bodies, a second telescopic structure, and a pair of anti-slip rods. The two clamping bodies can move relative to each other to loosen or clamp. The second telescopic structure drives the clamping bodies to loosen or clamp. The two anti-slip rods are arranged parallel between the clamping bodies. Each end of the anti-slip rod is slidably connected to one of the clamping bodies. The two clamping bodies and the two anti-slip rods form a through hole in a long strip of metal.

[0016] Furthermore, a limit block is provided on the feed base, and an adjustable bolt is provided on the first reciprocating slide. The adjustable bolt abuts against the limit block to limit the reciprocating distance of the first reciprocating slide.

[0017] Furthermore, the firing structure includes a firing base, a second reciprocating slide, a flame gun, and a third telescopic structure. The second reciprocating slide is mounted on the firing base and slides back and forth. The flame gun is mounted on the second reciprocating slide, and the third telescopic structure drives the second reciprocating slide to move back and forth.

[0018] Furthermore, the feeding structure, alternating feed structure, and cutting structure are grouped together and there are two sets. The two extreme positions of the reciprocating motion of the flame gun are respectively used in conjunction with one set of the feeding structure, alternating feed structure, and cutting structure to form a dual-station manufacturing device.

[0019] Furthermore, the cutting structure includes a cutting base, a third reciprocating slide, a fourth telescopic structure, and the cutting blade. The third reciprocating slide is mounted on the cutting base and slides back and forth. The cutting blade is mounted on the third reciprocating slide. The fourth telescopic structure drives the third reciprocating slide to move back and forth.

[0020] Furthermore, the cutting structure also includes a positioning guide tube, which is connected to the frame through a fixed base. The positioning guide tube has a guide hole in the middle, and the lower end of the guide tube is flush with the cutting surface of the cutting blade.

[0021] Furthermore, the cutting structure also includes a water-cooling structure, which includes a heat exchange channel located inside the third reciprocating slide. One end of the channel is provided with a water inlet connection end, and the other end is provided with a water outlet connection end.

[0022] By adopting the above technical solution, the present invention has the following beneficial effects:

[0023] 1. This invention features a feeding structure for continuously supplying long strips of metal. The metal strips are alternately fed by a firing feed section and a cutting feed section of an alternating feeding structure. The firing structure fires the ends of the metal strips fed by the firing feed section to form ball heads. The cutting structure then cuts the metal strips fed by the cutting feed section. This achieves automated processing of the raw materials for ball-head bracelet pins, resulting in higher efficiency and better quality consistency compared to manual production. It also solves the technical problems of low efficiency, high cost, and inconsistent ball head shapes that are often caused by manual firing of ball-head bracelet pins.

[0024] 2. This invention, by incorporating a straightening device, can straighten long strips of metal coils, facilitating processing and resulting in straighter chain pins. This makes it easier to insert the chain pins into readily available connectors to form a bracelet, resulting in a smoother and higher-quality finished bracelet.

[0025] 3. Both the firing feed section and the cutting feed section of the present invention are provided with a first reciprocating slide table with adjustable distance. By adjusting the reciprocating sliding distance of the first reciprocating slide table, the feed length of the firing feed section can be adjusted, thereby adjusting the length of the material to be fired into a ball head and realizing the size adjustment of the ball head; on the other hand, the feed length of the cutting feed section can be adjusted, thereby realizing the adjustment of the length of the cut pin body and meeting different needs.

[0026] 4. By grouping the feeding structure, alternating feeding structure, and cutting structure into two sets to form a dual-station manufacturing device, the present invention can improve work efficiency. At the same time, by performing firing at each of the two extremes of the reciprocating motion of the flame gun, fuel waste of the flame gun can be reduced.

[0027] 5. This invention, by incorporating a positioning guide tube, allows for positioning during the firing and cutting processes, thereby improving firing accuracy and cutting stability. The water-cooling structure reduces excessively high temperatures on the cutting structure caused by the flame gun firing process, preventing a decrease in cutting reliability. Attached Figure Description

[0028] Figure 1 This is a three-dimensional structural diagram of the integrated manufacturing device with two dual workstations of the present invention.

[0029] Figure 2 This is a three-dimensional structural diagram of the alternating feed structure of the present invention.

[0030] Figure 3 This is a three-dimensional structural diagram of the firing structure of the present invention.

[0031] Figure 4 This is a three-dimensional structural diagram of the cutting structure of the present invention.

[0032] Figure 5 This is a perspective view of the cut-off structure of the present invention.

[0033] Figure 6 The invention provides a three-dimensional structural diagram of the finished product.

[0034] In the attached diagram, 1-frame, 2-feeding structure, 3-alternating feed structure, 4-firing structure, 5-cutting structure, 6-receiving basin, 7-long strip of metal, 8-hand chain pin, 201-material roll, 202-straightening device, 203-transition wheel, 301-firing feed section, 302-cutting feed section, 303-feed base, 304-feed clamp, 305-first telescopic structure, 306-first reciprocating slide, 307-clamp body, 308-second telescopic structure, 309 - Anti-slip rod, 310 - Limiting block, 311 - Adjustable bolt, 401 - Firing base, 402 - Second reciprocating slide, 403 - Flame gun, 404 - Third telescopic structure, 501 - Cutting base, 502 - Third reciprocating slide, 503 - Fourth telescopic structure, 504 - Cutting knife, 505 - Positioning guide tube, 506 - Fixed seat, 507 - Heat exchange channel, 508 - Water inlet connection end, 509 - Water outlet connection end, 801 - Pin body, 802 - Ball head. Detailed Implementation

[0035] The specific implementation of the invention will be further described below with reference to the accompanying drawings.

[0036] In the description of this invention, it should be understood that the terms "center", "length", "width", "upper", "lower", "vertical", "horizontal", "top", "bottom", "inner", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not 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 limiting this invention.

[0037] In this invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., 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 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 invention according to the specific circumstances.

[0038] 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.

[0039] Please see Figures 1 to 5 A bracelet chain pin 8 manufacturing device includes a frame 1, a feeding structure 2, an alternating feeding structure 3, a firing structure 4, a cutting structure 5, and a receiving basin 6. The frame 1 is used for support and installation; the feeding structure 2 is installed on the frame 1 and continuously supplies long strips of metal 7; the alternating feeding structure 3 is installed on the frame 1 and receives the long strips of metal 7 from the feeding mechanism; the alternating feeding structure 3 includes a firing feeding section 301 and a cutting feeding section 302 for the long strips of metal 7, and the firing feeding section 301 and the cutting feeding section 302 alternately push out the long strips of metal 7; the firing structure 4 is installed on the frame 1 and located below the alternating feeding structure 3, and the firing structure 4 fires the end of the long strips of metal 7 pushed by the firing feeding section 301 to form a ball head 802; the cutting structure 5 is provided with a cutting blade 504, which can cut the long strips of metal 7 fed by the cutting feeding section 302; the receiving basin 6 is placed at the lower part of the frame 1, and the finished product of the bracelet chain pin 8 with the ball head 802 cut by the cutting structure 5 can fall directly into the receiving basin 6.

[0040] In this embodiment, the feeding structure 2 includes a wire coil 201 and a straightening device 202. The wire coil 201 is mounted on the upper part of the frame 1, and the straightening device is located between the wire coil 201 and the alternating feed structure 3. The long strip of metal 7 from the wire coil 201 enters the alternating feed structure 3 via the straightening device 202. By providing the straightening device 202, the wire coil of long strip metal 7 can be straightened, facilitating processing and resulting in straighter chain pins. This makes it easier to insert into the connecting parts to form a bracelet, resulting in smoother movement and higher quality bracelets. In addition, the feeding structure 2 also includes an intermediate wheel 203, which is located on the intermediate path of the long strip of metal 7 from the wire coil 201 to the straightening device 202, making the feeding of the long strip of metal 7 smoother and allowing for more gradual bending. It should be noted that there are already mature technology products for straightening devices 202 for metal wires, and the specific configuration of the straightening device 202 will not be described in detail in this application.

[0041] In this embodiment, both the firing feed unit 301 and the cutting feed unit 302 include a feed base 303, a feed clamp 304, a first telescopic structure 305, and a first reciprocating slide 306. The first reciprocating slide 306 is mounted on the feed base 303 and slides back and forth at an adjustable distance. The feed clamp 304 is mounted on the first reciprocating slide 306, and the first telescopic structure 305 drives the first reciprocating slide 306 to reciprocate. Specifically, the feed clamp 304 includes two clamping bodies 307, a second telescopic structure 308, and a pair of anti-slip rods 309. The two clamping bodies 307 can move relative to each other to loosen or tighten. The second telescopic structure 308 drives the clamping bodies 307 to loosen or tighten. The two anti-slip rods 309 are arranged parallel between the clamping bodies 307, and each end of the anti-slip rod 309 is slidably connected to one clamping body 307. The two clamping bodies 307 and the two anti-slip rods 309 form a through hole for a long strip of metal 7.

[0042] In this embodiment, a limit block 310 is provided on the feed base 303, and an adjustable bolt 311 is provided on the first reciprocating slide 306. The adjustable bolt 311 abuts against the limit block 310 to limit the reciprocating distance of the first reciprocating slide 306. Both the firing feed section 301 and the cutting feed section 302 are provided with adjustable distance first reciprocating slides 306. By adjusting the reciprocating sliding distance of the first reciprocating slide 306, the feed length of the firing feed section 301 can be adjusted, thereby adjusting the length of the material to be fired into a ball head 802, and realizing the size adjustment of the ball head 802; on the other hand, the feed length of the cutting feed section 302 can be adjusted, thereby realizing the adjustment of the length of the cut pin body 801 to meet different needs.

[0043] In this embodiment, the firing structure 4 includes a firing base 401, a second reciprocating slide 402, a flame gun 403, and a third telescopic structure 404. The second reciprocating slide 402 is mounted on the firing base 401 and slides back and forth. The flame gun 403 is mounted on the second reciprocating slide 402. The third telescopic structure 404 drives the second reciprocating slide 402 to move back and forth.

[0044] In this embodiment, the feeding structure 2, the alternating feed structure 3, and the cutting structure 5 are arranged in two groups. The two extreme positions of the reciprocating motion of the flame gun 403 are used in conjunction with one group of the feeding structure 2, the alternating feed structure 3, and the cutting structure 5 to form a dual-station manufacturing device. Arranging the feeding structure 2, the alternating feed structure 3, and the cutting structure 5 in two groups to form a dual-station manufacturing device can improve work efficiency. At the same time, by performing firing at each of the two extreme positions of the reciprocating motion of the flame gun 403, fuel waste of the flame gun 403 is reduced.

[0045] In this embodiment, the cutting structure 5 includes a cutting base 501, a third reciprocating slide 502, a fourth telescopic structure 503, and a cutting blade 504. The third reciprocating slide 502 is mounted on the cutting base and slides back and forth. The cutting blade 504 is mounted on the third reciprocating slide 502. The fourth telescopic structure 503 drives the third reciprocating slide 502 to reciprocate. Additionally, the cutting structure 5 includes a positioning guide cylinder 505, which is connected to the frame via a fixed base 506. The positioning guide cylinder 505 has a guide hole in its middle, and its lower end is flush with the cutting surface of the cutting blade 504. Furthermore, the cutting structure 5 includes a water-cooling structure, which includes a heat exchange channel 507 located inside the third reciprocating slide 502. One end of the channel has a water inlet connection 508, and the other end has a water outlet connection 509. By providing the positioning guide cylinder 505, positioning can be achieved during firing and cutting, thus improving the accuracy of firing and the stability of cutting. By incorporating a water-cooling structure, the excessively high temperature of the cutting structure 5 caused by the flame gun 403 firing process can be reduced, preventing a decrease in cutting reliability.

[0046] It should also be noted that in this embodiment, the first telescopic structure 305, the second telescopic structure 308, the third telescopic structure 404 and the fourth telescopic structure 503 are all pneumatic telescopic rods. Pneumatic telescopic rods are already mature products, and their specific structures will not be described in detail in this application.

[0047] The working principle of this embodiment is as follows:

[0048] 1. The feeding structure 2 is used to continuously supply long strip metal 7, so that the long strip metal 7 is transferred from the coil 201 to the hanging transition roller 203, then from the transition roller 203 to the straightening device 202, then from the straightening device 202 into the clamping hole of the firing feed section 301, then into the clamping hole of the cutting feed section 302, and finally out from the guide hole of the positioning guide cylinder 505.

[0049] 2. The firing feed section 301 pushes the long strip of metal 7 downward, so that the flame gun 403 of the firing structure 4 fires the lower end of the long strip of metal 7 and forms a ball head 802, and then removes the flame gun 403.

[0050] 3. The cutting feed section 302 pushes the long strip of metal 7 downwards, and the cutting blade 504 of the cutting structure 5 cuts the long strip of metal 7 from the lower part of the positioning guide cylinder 505. The finished product falls into the receiving basin 6, completing the production of a single finished product. The finished product is as follows... Figure 6 This includes the main body 801 and the ball head 802.

[0051] 4. Repeat steps 2 and 3 to achieve automated processing and production of multiple bracelet chain pins 8.

[0052] The above description is a detailed description of the preferred embodiments of the present invention. However, the embodiments are not intended to limit the scope of the patent application of the present invention. All equivalent changes or modifications made under the technical spirit of the present invention should fall within the patent scope covered by the present invention.

Claims

1. A bracelet chain pin making device, characterized in that: include The frame is used to support the installation. A feeding structure, mounted on the frame, is provided to continuously supply long strips of metal. An alternating feed structure is mounted on the frame and receives the long strip of metal from the feeding mechanism; the alternating feed structure includes a firing feed section and a cutting feed section for the long strip of metal, the firing feed section and the cutting feed section alternately pushing out the long strip of metal; A firing structure is mounted on the frame and located below the alternating feed structure. The firing structure fires the long metal end of the firing feed section and forms a ball head. The cutting structure includes a cutting blade that can cut the long strip of metal fed by the cutting feed section.

2. The bracelet chain pin making device according to claim 1, characterized in that: The feeding structure includes a material roll and a straightening device. The material roll transfer device is installed on the upper part of the frame. The straightening device is located between the material roll and the alternating feeding structure. The long strip of metal from the material roll enters the alternating feeding structure through the straightening device.

3. The bracelet chain pin making device according to claim 1, characterized in that: Both the firing feed section and the cutting feed section include a feed base, a feed clamp, a first telescopic structure, and a first reciprocating slide. The first reciprocating slide is mounted on the feed base and slides back and forth at an adjustable distance. The feed clamp is mounted on the first reciprocating slide. The first telescopic structure drives the first reciprocating slide to reciprocate.

4. A bracelet chain pin making device according to claim 3, characterized in that: The feed clamp includes two clamping bodies, a second telescopic structure, and a pair of anti-slip rods. The two clamping bodies can move relative to each other to loosen or clamp. The second telescopic structure drives the clamping bodies to loosen or clamp. The two anti-slip rods are arranged in parallel between the clamping bodies. Each end of the anti-slip rod is slidably connected to one of the clamping bodies. The two clamping bodies and the two anti-slip rods form a through hole in a long strip of metal.

5. A bracelet chain pin making device according to claim 3, characterized in that: The feed base is provided with a limit block, and the first reciprocating slide is provided with an adjustable bolt. The adjustable bolt abuts against the limit block to limit the reciprocating distance of the first reciprocating slide.

6. The bracelet chain pin making device according to claim 1, characterized in that: The firing structure includes a firing base, a second reciprocating slide, a flame gun, and a third telescopic structure. The second reciprocating slide is mounted on the firing base and slides back and forth. The flame gun is mounted on the second reciprocating slide, and the third telescopic structure drives the second reciprocating slide to move back and forth.

7. A bracelet chain pin making device according to claim 6, characterized in that: The feeding structure, alternating feed structure, and cutting structure are arranged in groups, and there are two groups. The two extreme positions of the reciprocating motion of the flame gun are used in conjunction with one group of the feeding structure, alternating feed structure, and cutting structure to form a dual-station manufacturing device.

8. A bracelet chain pin making device according to claim 1, characterized in that: The cutting structure includes a cutting base, a third reciprocating slide, a fourth telescopic structure, and the cutting blade. The third reciprocating slide is mounted on the cutting base and slides back and forth. The cutting blade is mounted on the third reciprocating slide. The fourth telescopic structure drives the third reciprocating slide to move back and forth.

9. A bracelet chain pin making device according to claim 8, characterized in that: The cutting structure also includes a positioning guide tube, which is connected to the frame through a fixed base. The positioning guide tube has a guide hole in the middle, and the lower end of the guide tube is flush with the cutting surface of the cutting blade.

10. A bracelet chain pin making device according to claim 9, characterized in that: The cutting structure also includes a water-cooling structure, which includes a heat exchange channel located inside the third reciprocating slide. One end of the channel is provided with a water inlet connection end, and the other end is provided with a water outlet connection end.

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