Zipper processing equipment

Abstract

The utility model discloses zipper processing equipment. The device is characterized by comprising a punching device, an injection molding device and a feeding device, the punching device is used for punching a single small hole in a zipper cloth belt, the injection molding device is used for synchronous injection molding of a plurality of zipper teeth on the zipper cloth belt, and the feeding device is used for tensioning the zipper cloth belt and driving the zipper cloth belt to be conveyed backwards. The automatic punching machine has the advantages that the zipper cloth belt is conveyed and tensioned through the feeding device, the punching device can punch a small hole in the zipper cloth belt every time the punching device acts, the punching device works continuously, the specified number of small holes which are continuously formed at intervals can be punched, and after the specified number of punched holes are completed, the punching device can punch the small holes continuously at intervals. The zipper teeth directly enter the injection molding device to be subjected to zipper tooth injection molding, manual transfer is not needed, the working efficiency is improved, manual labor is reduced, errors are reduced, positioning is accurate, and the zipper machining quality is guaranteed.

Description

Technical Field

[0001] This utility model relates to the field of zipper manufacturing technology, specifically to a zipper processing equipment. Background Technology

[0002] Zippers are common household items used in daily life, mainly for opening and closing clothing, bags, etc. A zipper usually consists of two fabric strips and teeth on the two fabric strips to achieve engagement and disengagement.

[0003] For example, Chinese utility model patent CN205649052U discloses a waterproof plastic steel zipper, the production process of which is as follows: First, a waterproof adhesive layer and an anti-wrinkle layer are applied to the upper and back surfaces of the fabric strip respectively. After drying, the fabric strip is punched to form continuous and evenly spaced rectangular holes on the left and right fabric strips respectively. Then, the fabric strip is injection molded to form interlocking plastic steel chain teeth on the left and right fabric strips respectively. After injection molding, the plastic steel chain teeth on the left and right fabric strips are engaged. Then, a protective coating is applied to the upper surface of the plastic steel chain teeth. After drying, the waterproof plastic steel zipper is produced.

[0004] However, in the production and processing of the aforementioned waterproof plastic steel zippers, the punching and injection molding processes are completed independently using separate punching and injection molding equipment. This means that the fabric tape is first punched with evenly spaced rectangular holes, and then the punched fabric tape is manually transferred and placed into the injection molding equipment to form the plastic steel zipper teeth. Because this intermediate transfer is necessary, it is not only labor-intensive and time-consuming, but also makes it difficult for the injection molding equipment to accurately align with the holes, thus affecting the zipper quality. Utility Model Content

[0005] In order to overcome the shortcomings of the prior art, this utility model provides a zipper processing equipment.

[0006] The technical solution adopted by this utility model is: a zipper processing equipment, comprising:

[0007] frame;

[0008] A punching device, mounted on a frame, punches a single small hole in the zipper tape;

[0009] The injection molding device, which is mounted on the frame and located behind the punching device, is used for the synchronous injection molding of multiple zipper teeth on the zipper tape.

[0010] The feeding device, which is mounted on the frame, is used to tension the zipper tape and drive the zipper tape to be conveyed backward.

[0011] The punching device uses laser drilling or mechanical punching.

[0012] The punching device includes one or two punches arranged side by side and a first power source that drives the punches to move up and down.

[0013] The punching device further includes:

[0014] A connecting plate is fixedly connected to the output end of the first power source, and the punch is fixedly mounted on the connecting plate;

[0015] An upper pressure plate is located below the connecting plate and is movably connected to the connecting plate. An elastic element that can drive the two to separate is provided between the upper pressure plate and the connecting plate. A first hole corresponding to the punch is formed on the upper pressure plate.

[0016] The lower support plate is located below the upper pressure plate and has a second hole corresponding to the punch.

[0017] The punch is square or round.

[0018] The primary power source can be a pneumatic cylinder, a hydraulic cylinder, or a servo motor.

[0019] The injection molding device includes an upper injection mold and a lower injection mold, and a second power source that drives the upper injection mold to move up and down. The upper injection mold and the lower injection mold have one or two sets of injection mold cavities that are evenly spaced along a straight line and used to form chain teeth.

[0020] The feeding device includes:

[0021] The feeding mechanism, located in front of the punching device, is used for feeding the zipper tape.

[0022] The length adjustment mechanism is located between the punching device and the injection molding device to keep the zipper tape taut.

[0023] The traction mechanism, located behind the injection molding unit, is used to drive the zipper tape to be conveyed backward.

[0024] The length adjustment mechanism includes:

[0025] The slide bar is arranged longitudinally;

[0026] A slider, which is slidably mounted on a slider rod;

[0027] The adjusting wheel is fixedly mounted on the slider.

[0028] The punching device is used to punch holes in the left and right zipper tapes one by one at the same time; the injection molding device is used to inject zipper teeth into the left and right zipper tapes at the same time.

[0029] The beneficial effects of this utility model are as follows: With the above solution, the zipper tape is conveyed and tensioned by the feeding device, and the punching device can punch a small hole in the zipper tape with each action. The continuous operation of the punching device can punch a specified number of continuously spaced small holes. After the specified number of punches are completed, the zipper tape is directly fed into the injection molding device for zipper tooth injection molding. There is no need for manual transfer, which not only improves work efficiency and reduces manual labor, but also reduces errors, ensures accurate positioning, and guarantees the quality of zipper processing. Attached Figure Description

[0030] Figure 1 This is a schematic diagram of the zipper processing equipment according to an embodiment of the present invention.

[0031] Figure 2 This is a schematic diagram of the punching device according to an embodiment of the present invention.

[0032] Figure 3 This is a schematic diagram of the length adjustment mechanism according to an embodiment of the present invention. Detailed Implementation

[0033] The embodiments of this utility model will be further described below with reference to the accompanying drawings.

[0034] As shown in the figure, a zipper processing equipment includes a frame 1, on which a punching device 2, an injection molding device 3, and a feeding device are provided.

[0035] The punching device 2 includes two punches 21 arranged side by side and a first power source 22 that drives the punches 21 to move up and down, which can be used to punch holes one by one on the left and right zipper tapes simultaneously. Of course, only one punch can be set, which can be used to punch holes one by one on one zipper tape.

[0036] The punch can be square, and the corresponding small hole punched on the zipper tape is also square. Alternatively, the punch can be round, and the corresponding small hole punched on the zipper tape is also square.

[0037] The first power source 22 is preferably a cylinder or a hydraulic cylinder, which has a simple structure, fast action speed, and high efficiency. Of course, other mechanical structures, such as cam-driven operation, can also be used.

[0038] In addition, the punching device 2 also includes a connecting plate 23, an upper pressure plate 24, and a lower support plate 26. The connecting plate 23 is fixedly connected to the output end of the first power source 22, and the punch 21 is fixedly mounted on the connecting plate 23. The upper pressure plate 24 is located below the connecting plate 23 and is slidably connected to the connecting plate 23 by several guide posts. A spring is sleeved on the guide posts between the upper pressure plate 24 and the connecting plate 23, and the spring can drive the upper pressure plate 24 to separate from the connecting plate 23. A first hole 25 corresponding to the punch 21 is formed on the upper pressure plate 24, and the punch 21 can pass through the first hole 25. The lower support plate 26 is located below the upper pressure plate 24, and the lower support plate 26 is fixed relative to the frame. A second hole 27 corresponding to the punch 21 is formed on the lower support plate 26.

[0039] During zipper processing, the zipper tape passes between the upper pressure plate 24 and the lower support plate 26. During punching, the first power source 22 drives the connecting plate 23 downwards. The connecting plate 23 then drives the upper pressure plate 24 and the punch 21 downwards synchronously. The upper pressure plate 24 first contacts the zipper tape and clamps it with the lower support plate 26. Then, the connecting plate 23 overcomes the spring force and continues downwards, driving the punch 21 through the first hole 25 and into the second hole 27, punching a small hole in the zipper tape. After punching, the first power source 22 drives the connecting plate 23 upwards. Under the spring force, the connecting plate 23 and the punch 21 move first, then move synchronously with the upper pressure plate 24 to reset.

[0040] The punching device 2 with the above structure ensures that the zipper tape is fixed and clamped during punching, thus ensuring punching quality and improving production quality.

[0041] Of course, in addition to the aforementioned mechanical punching method, other methods such as laser drilling can also be used to replace mechanical punching.

[0042] The injection molding device 3 is located behind the punching device 2. It includes an upper injection mold 31 and a lower injection mold 32, and a second power source 33 that drives the upper injection mold 31 to move up and down. The upper injection mold 31 and the lower injection mold 32 have two sets of injection mold cavities for forming zipper teeth, which can be used for the synchronous injection molding of zipper teeth for two zipper tapes on the left and right sides. Of course, only one set of injection mold cavities can be provided, which can be used for the injection molding of zipper teeth for one zipper tape.

[0043] Each set of injection mold cavities contains several injection mold cavities arranged at even intervals along a straight line, enabling simultaneous injection molding of multiple chain teeth.

[0044] The second power source 33 is preferably a cylinder or a hydraulic cylinder, which has a simple structure, fast action speed, and high efficiency. Of course, other mechanical structures, such as cam-driven operation, can also be used.

[0045] In addition, both the upper injection mold 31 and the lower injection mold 32 are detachable structures, such as by screws or clips, so as to facilitate replacement and adaptation according to different zippers.

[0046] During the zipper manufacturing process, the zipper tape passes between the upper injection mold 31 and the lower injection mold 32. During injection, the second power source 33 can drive the upper injection mold 31 to move downward, so that the upper injection mold 31 and the lower injection mold 32 fit together to form a mold. Then, thermoplastic material is injected into the injection mold to fill the injection cavity. After cooling and solidification to form zipper teeth, the second power source 33 can drive the upper injection mold 31 to move upward, so that the upper injection mold 31 and the lower injection mold 32 separate.

[0047] The feeding device includes a feeding mechanism 4, a length adjustment mechanism 5, a traction mechanism 6, and several guide pulleys.

[0048] The feeding mechanism 4 is located in front of the punching device 2 and is used to actively feed the zipper tape.

[0049] The traction mechanism 6 is located behind the injection molding device 3 and is used to drive the zipper tape to be conveyed backward.

[0050] Both the feeding mechanism 4 and the traction mechanism 6 are conventional technologies, with the motor driving the drive wheel to rotate. The drive wheel actively pulls the zipper belt to achieve feeding and conveying of the zipper belt.

[0051] The length adjustment mechanism 5 is located between the punching device 2 and the injection molding device 3. It includes a longitudinally arranged slide bar 51, a slider 52 slidably mounted on the slide bar, and an adjusting wheel 53 mounted on the slider. Since the punching device 2 punches holes one by one at a high speed, while the injection molding device 3 can simultaneously inject multiple zipper teeth, but each injection takes time, the two actions cannot be perfectly synchronized. However, the length adjustment mechanism 5 allows punching to continue while the injection molding process is in progress. Under the influence of gravity, the slider 52 and the adjusting wheel 53 maintain the tension of the zipper tape, thus coordinating the punching and injection molding processes and improving work efficiency.

[0052] Of course, to ensure tension, additional elastic elements or active traction structures can be added to drive the slider downwards. Additionally, contact switches can be installed at both ends of the slide bar 51 to create limit positions and prevent malfunctions caused by excessive differences in the working speeds of punching and injection molding.

[0053] The working steps of the above-mentioned zipper processing equipment are as follows:

[0054] 1. The zipper tape is fed through the punching device and the injection molding device in sequence.

[0055] 2. The feeding mechanism continuously feeds the zipper tape, while the length adjustment mechanism keeps the zipper tape taut. During the continuous feeding of the zipper tape, the punching device moves quickly to punch small holes arranged in a continuous interval on the zipper tape.

[0056] 3. The traction mechanism pulls the punched zipper tape backward to the injection molding device to achieve zipper tooth injection molding.

[0057] The advantages of using the above-mentioned zipper processing equipment are as follows: the zipper tape is conveyed and tensioned by the feeding device, and after a specified number of punches are completed, it directly enters the injection molding device for zipper tooth injection molding. There is no need for manual transfer, which not only improves work efficiency and reduces manual labor, but also reduces errors, ensures accurate positioning, and guarantees the quality of zipper processing.

[0058] In the description of this utility model, it should be noted that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description. They 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, and therefore should not be construed as a limitation on this utility model. In addition, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0059] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; 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; and they can refer to the internal connection of 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. Furthermore, in the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0060] Attention all technical personnel: Although this utility model has been described according to the specific embodiments above, the inventive concept of this utility model is not limited to this utility model. Any modification that utilizes the inventive concept will be included within the scope of protection of this patent.

Claims

1. A zipper processing equipment, characterized in that: include: Rack (1); A punching device (2), which is mounted on a frame (1), is used to punch a single small hole in the zipper tape; The injection molding device (3) is set on the frame (1) and located behind the punching device (2) for the synchronous injection molding of multiple zipper teeth on the zipper tape. The feeding device is set on the frame (1) and is used to tension the zipper tape and drive the zipper tape to be conveyed backward; The punching device (2) includes a punch (21) and a first power source (22) that drives the punch (21) to move up and down; the punching device (2) also includes: A connecting plate (23) is fixedly connected to the output end of the first power source (22), and the punch (21) is fixedly mounted on the connecting plate (23); The upper pressure plate (24) is located below the connecting plate (23) and is movably connected to the connecting plate (23) in the upper and lower positions. An elastic element that can drive the two to separate is provided between the upper pressure plate (24) and the connecting plate (23). A first hole (25) corresponding to the punch (21) is formed on the upper pressure plate (24). The lower support plate (26) is located below the upper pressure plate (24) and has a second hole (27) corresponding to the punch (21). The feeding device includes: The feeding mechanism (4) is located in front of the punching device (2) and is used for feeding the zipper tape; The length adjustment mechanism (5) is located between the punching device (2) and the injection molding device (3) to keep the zipper tape taut; The traction mechanism (6) is located behind the injection molding device (3) and is used to drive the zipper tape to be conveyed backward.

2. The zipper processing equipment according to claim 1, characterized in that: The punch (21) is square or round.

3. The zipper processing equipment according to claim 1, characterized in that: The first power source (22) is a cylinder, a hydraulic cylinder, or a servo motor.

4. The zipper processing equipment according to claim 1, characterized in that: The injection molding device (3) includes an upper injection mold (31) and a lower injection mold (32) respectively, and a second power source (33) that drives the upper injection mold (31) to move up and down. The upper injection mold (31) and the lower injection mold (32) are respectively formed with one or two sets of injection mold cavities arranged evenly along a straight line and used to form chain teeth.

5. The zipper processing equipment according to claim 1, characterized in that: The length adjustment mechanism (5) includes: The slide bar (51) is arranged longitudinally; The slider (52) is mounted on the slider (51) in a sliding manner; Adjustment wheel (53) is fixedly mounted on slider (52).

6. The zipper processing equipment according to claim 1, characterized in that: The punching device (2) is used to punch holes in the left and right zipper tapes at the same time; the injection molding device (3) is used to inject zipper teeth into the left and right zipper tapes at the same time.

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