Nylon zipper tape two-end taping machine

Abstract

The nylon zipper tape two-end taping machine provided by the present invention is suitable for simultaneously taping the adjacent ends of the front and rear nylon zippers in a nylon zipper tape to form a top stop and a bottom stop, respectively. The nylon zipper tape driving device is used to drive the nylon zipper tape to move along the length direction. The nylon zipper tape positioning device is used to accurately position the nylon zipper tape to a taping processing position where the adjacent ends of the front and rear nylon zippers face the adhesive feeding device and the ultrasonic welding device. The adhesive feeding device is used to feed two adhesive sheets to the vertically outer sides of the adjacent ends of the front and rear nylon zippers in the nylon zipper tape. The ultrasonic welding device, with its welding head and pattern mold located on the upper and lower sides of the nylon zipper tape, respectively moves relative to each other to cut the two adhesive sheets from the adhesive feeding device and weld them to the adjacent ends of the front and rear nylon zippers, respectively, to form the top stop of one nylon zipper and the bottom stop of the adjacent other nylon zipper in one process. The nylon zipper tape two-end taping machine of the present invention can significantly improve production efficiency.

Description

Technical Field

[0001] The invention relates to nylon zipper production equipment, in particular to a nylon zipper tape applicator. Background Art

[0002] During the production process, nylon zippers maintain their original state until they are individually cut. A fixed notch is placed between any two adjacent nylon zipper strips, and the nylon zipper strip processing equipment uses this fixed notch to precisely position the strips, allowing for a variety of processing steps.

[0003] The processing of nylon zipper tapes includes a patching process, in which the ends of any nylon zipper are patched and welded to form the top and bottom stops. To conserve raw materials, the distance between adjacent nylon zippers in a nylon zipper tape is short, resulting in insufficient space. While the zipper tapes are precisely positioned through the slots between them, it's impossible to simultaneously patch and weld the ends of the two adjacent nylon zippers. Therefore, the patching process typically involves welding the top and bottom stops separately, with one welding head welding one top or bottom stop at a time. After each welding, the nylon zipper tape is moved a certain distance before welding the next top or bottom stop.

[0004] Therefore, it is necessary to improve the nylon zipper tape patching device so as to weld the top and bottom stops of two adjacent nylon zippers in the nylon zipper tape at one time to improve production efficiency. Summary of the Invention

[0005] The purpose of the present invention is to provide a nylon zipper tape applicator with an improved structure, which can weld the top and bottom stops of two adjacent nylon zippers in a nylon zipper tape at one time to improve production efficiency.

[0006] In order to achieve the above-mentioned purpose, the present invention discloses a nylon zipper tape two-end taping machine, which is suitable for simultaneously taping the adjacent ends of the front and rear nylon zippers in a nylon zipper tape to form an upper stop and a lower stop respectively; the nylon zipper tape two-end taping machine includes a nylon zipper tape driving device, a glue feeding device, an ultrasonic welding device and a nylon zipper tape positioning device; the nylon zipper tape driving device is used to drive the nylon zipper tape to move along the length direction; the nylon zipper tape positioning device is used to accurately position the nylon zipper tape to the front and rear nylon stops The adjacent ends of the dragon zipper are facing the patch processing positions of the glue feeding device and the ultrasonic welding device; the glue feeding device is used to respectively feed the two films to the vertical outer sides of the adjacent ends of the front and rear nylon zipper tape, and the welding head and the pattern of the ultrasonic welding device respectively located on the upper and lower sides of the nylon zipper tape move relative to each other to cut the two films from the glue feeding device and weld them to the adjacent ends of the front and rear nylon zippers, so as to form the upper stop of one nylon zipper and the lower stop of another adjacent nylon zipper in one-time processing.

[0007] According to the nylon zipper tape two-end taping machine provided by the present invention, the nylon zipper tape positioning device accurately positions the nylon zipper tape to the adjacent ends of the front and rear nylon zippers facing the taping processing positions of the glue feeding device and the ultrasonic welding device respectively. Then, the pattern and welding head of the ultrasonic welding device move relative to each other and simultaneously press and weld the two films to the adjacent ends of the front and rear nylon zippers, thereby forming the upper stop of one nylon zipper and the lower stop of the adjacent other nylon zipper in one process. Compared with the existing technology, the nylon zipper tape two-end taping machine provided by the present invention can simultaneously weld the upper stop and the lower stop of the front and rear nylon zippers in the nylon zipper tape, thereby significantly improving production efficiency.

[0008] Preferably, the two flower molds are spaced apart and respectively face the outer sides of the adjacent ends of the front and rear nylon zippers in the vertical direction; the nylon zipper tape positioning device includes a crochet hook and a crochet hook driving mechanism, and the crochet hook and the two flower molds are located on the same side of the nylon zipper tape in the vertical direction; the crochet hook is inserted into or withdrawn from the fixed size opening between the adjacent ends of the two nylon zippers under the drive of the crochet hook driving mechanism; in the process of the ultrasonic welding device welding the film to the adjacent ends of the front and rear nylon zippers, the crochet hook is located between the two flower molds and inserted into the fixed size opening.

[0009] In one embodiment, in the length direction of the nylon zipper tape, the end of the crochet hook used to insert into the fixed size slot is smaller than the size of the fixed size slot; after the crochet hook is vertically moved and inserted into the fixed size slot under the drive of the crochet hook driving mechanism, the nylon zipper tape moves under the drive of the nylon zipper tape driving device until the crochet hook and the end of the fixed size slot hit against each other to limit the continued movement of the nylon zipper tape. At this time, the nylon zipper tape is accurately positioned to the patch processing position for patching.

[0010] In another embodiment, in the length direction of the nylon zipper tape, the end of the crochet hook used to insert into the fixed size slot is smaller than the size of the fixed size slot, and after the crochet hook is inserted into the fixed size slot, the crochet hook moves between the upper end of the stroke on the upstream side and the lower end of the stroke on the downstream side in the moving direction of the nylon zipper tape; the crochet hook driving mechanism includes a vertical driving member, a horizontal driving member, and a rebound driving member, the vertical driving member drives the crochet hook to insert or exit the fixed size slot, the rebound driving member drives the crochet hook to always have a movement tendency to move toward the upper end of the stroke, and the horizontal driving member is used to drive the crochet hook from the upper end of the stroke to the lower end of the stroke; when the horizontal driving member stops driving the crochet hook, the crochet hook moves toward the upper end of the stroke under the drive of the rebound driving member until it is dragged to the lower end of the stroke through the fixed size slot by the nylon zipper tape driving mechanism, and at this time the nylon zipper tape is in the patch processing position.

[0011] Furthermore, the hook drive mechanism also includes a limit sensor, which is used to detect whether the hook has moved to the lower end of its travel. When the hook is dragged to the lower end of its travel by the nylon zipper tape drive mechanism through the nylon zipper tape, the limit sensor feedbacks a signal to control the nylon zipper tape end-to-end patching machine to perform corresponding actions. The purpose of providing this limit sensor is to detect whether the hook has moved to the lower end of its travel, thereby determining whether the nylon zipper tape has moved to the target patch processing position. When the nylon zipper tape reaches the patch processing position, the various mechanisms of the nylon zipper tape end-to-end patching machine are controlled to operate, including the glue feeding device to feed glue, the ultrasonic welding device to perform welding, etc.

[0012] Specifically, after the crochet hook is dragged to the lower end of the stroke by the nylon zipper tape driving mechanism, the transverse driving member is controlled to push the crochet hook toward the lower end of the stroke according to the feedback signal of the limit sensor, so that the crochet hook is reliably positioned at the lower end of the stroke for patching the nylon zipper tape; when the nylon zipper tape moves to the target patching processing position, the transverse driving member pushes the crochet hook toward the lower end of the stroke, so that the nylon zipper tape can be reliably positioned at the patching processing position for patching the nylon zipper tape.

[0013] Specifically, during the movement of the hook needle between the upper end and the lower end of the stroke, the pattern is away from the nylon zipper tape, and the distance between the hook needle and the nylon zipper tape in the vertical direction is smaller than the distance between the pattern and the nylon zipper tape; when the hook needle moves to the lower end of the stroke and the two pattern molds move toward the nylon zipper tape to the welding position, the hook needle is located between the two pattern molds. It is understood that the hook needle can move vertically to approach the nylon zipper tape and insert it into the fixed size slot, or move away from the nylon zipper tape to exit the fixed size slot; wherein, during the movement of the hook needle between the upper end and the lower end of the stroke, the hook needle is in a state of approaching the nylon zipper tape and inserting it into the fixed size slot in the vertical direction, and when the hook needle moves to the lower end of the stroke, the hook needle is horizontally between the two pattern molds. At this time, when the pattern film moves toward the nylon zipper tape to the welding position, the hook needle is located between the two pattern molds.

[0014] Preferably, the nylon zipper tape two-end applicator further includes a fixed-size opening detection device; the fixed-size opening detection device is arranged on the upstream side of the applicator processing position, and the fixed-size opening detection device includes a detection rotating arm, the detection rotating arm is inclined toward the moving direction of the nylon zipper tape, and the lower end of the detection rotating arm is facing the moving path of the nylon zipper tape; the lower end of the detection rotating arm detects the height change of the passing nylon zipper tape, and when it detects that the height becomes lower, it determines that the fixed-size opening has been passed, and then delays the control of the crochet drive mechanism to drive the crochet hook to insert into the fixed-size opening; further, the fixed-size opening detection device can control the nylon zipper tape drive device to slow down the moving speed when it determines that the fixed-size opening has been passed, so as to ensure that the crochet hook can be accurately inserted into the fixed-size opening.

[0015] Furthermore, the rotation axis of the detection rotating arm is located in the middle of the detection rotating arm, and the distance L1 between the upper end of the detection rotating arm and the rotation axis is greater than the distance L2 between the lower end of the detection rotating arm and the rotation axis.

[0016] Preferably, the nylon zipper tape two-end applicator further includes a feeding limit device, which is arranged on the upstream side of the applicator processing position; the feeding limit device includes a limiting cantilever, which is rotatably inclined, and the lower end of the limiting cantilever is provided with a limiting groove corresponding to the chain tooth portion of the nylon zipper tape, and when the slider on the nylon zipper tape passes by, the lower end of the limiting cantilever rotates in a direction away from the moving path of the nylon zipper tape to allow the slider to pass through. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 Schematic diagram of the structure of a nylon zipper tape.

[0018] Figure 2 The figure is a schematic structural diagram of a nylon zipper tape two-end applicator according to the present invention.

[0019] Figure 3 This is a structural schematic diagram of the nylon zipper tape two-end applicator from another angle of the present invention.

[0020] Figure 4 The figure is an exploded schematic diagram of the nylon zipper tape two-end applicator of the present invention.

[0021] Figure 5 It is a structural diagram of the feeding limit device.

[0022] Figure 6 It is a structural diagram of the glue feeding device.

[0023] Figure 7 It is a structural schematic diagram of the ultrasonic welding device.

[0024] Figure 8This is a schematic diagram of the structure of a nylon zipper tape positioning device.

[0025] Figure 9 This is a structural diagram of the nylon zipper tape positioning device from another angle.

[0026] Figure 10 It is a cross-sectional view of the nylon zipper tape two-end applicator of the present invention.

[0027] Figure 11 This is a cross-sectional view of the nylon zipper tape two-end applicator from another angle of the present invention.

[0028] Figure 12 for Figure 10 Enlarged view of part A in the middle.

[0029] Figure 13 for Figure 11 Enlarged view of part A in the middle.

[0030] Figure 14 and Figure 15 for Figure 11 Schematic diagram of the state of area A in the middle under different working conditions. DETAILED DESCRIPTION

[0031] In order to explain the technical content, structural features, achieved objectives and effects of the present invention in detail, the following is a detailed description in conjunction with the embodiments and the accompanying drawings.

[0032] like Figures 1-4 As shown, the present invention discloses a nylon zipper tape two-end taping machine, which is suitable for simultaneously taping the adjacent ends of the front and rear nylon zippers in a nylon zipper tape A00 to form an upper stop A10 and a lower stop A20 respectively; the nylon zipper tape two-end taping machine includes a nylon zipper tape driving device 300, a glue feeding device 400, an ultrasonic welding device 500 and a nylon zipper tape positioning device 600; the nylon zipper tape driving device 300 is used to drive the nylon zipper tape A00 to move along the length direction; the nylon zipper tape positioning device 600 is used to accurately position the nylon zipper tape A00 to the front and rear nylon zippers. The adjacent ends of the chains are facing the patch processing position B00 of the glue feeding device 400 and the ultrasonic welding device 500; the glue feeding device 400 is used to feed the two films to the vertical outside of the adjacent ends of the front and rear nylon zipper tape A00, and the ultrasonic welding device 500 is respectively located at the upper and lower sides of the nylon zipper tape A00. The welding head 510 and the pattern 520 move relatively to cut the two films from the glue feeding device 400 and weld them to the adjacent ends of the front and rear nylon zippers, so as to form the upper stop A10 of one nylon zipper and the lower stop A20 of another adjacent nylon zipper in one-time processing.

[0033] According to the nylon zipper tape two-end applicator provided by the present invention, the nylon zipper tape positioning device 600 accurately positions the nylon zipper tape A00 to the adjacent ends of the front and rear nylon zippers, respectively facing the applicator processing position B00 at the glue feeding device 400 and the ultrasonic welding device 500. Then, the welding head 510 and the pattern 520 of the ultrasonic welding device 500 move relative to each other and simultaneously press and weld the two adhesive strips to the adjacent ends of the front and rear nylon zippers, thereby forming the upper stop A10 of one nylon zipper and the lower stop A20 of the adjacent other nylon zipper in one process. Compared with the existing technology, the nylon zipper tape two-end applicator provided by the present invention can simultaneously weld the upper stop A10 and the lower stop A20 of the front and rear nylon zippers in the nylon zipper tape, thereby significantly improving production efficiency.

[0034] Figure 1 As shown, the nylon zipper tape end-taping machine provided by the present invention processes nylon zipper tape A00, a semi-finished nylon zipper. Nylon zipper tape A00 is threaded with a slider (not shown) and has a slit A30 between two adjacent nylon zippers for positioning during processing. The nylon zipper tape end-taping machine provided by the present invention is used to apply adhesive tape to the ends of two adjacent nylon zippers in nylon zipper tape A00 and weld them to form a top stop A10 of one nylon zipper and a bottom stop A20 of the other nylon zipper. The process of applying adhesive tape to the ends of nylon zipper tape A00 and welding them to form the top stop A10 and bottom stop A20 is known in the industry as taping. The taping processing position B00 corresponds to the adhesive feeding device 400, ultrasonic welding device 500, and nylon zipper tape positioning device 600, and is used for taping nylon zipper tape A00.

[0035] Combine Figure 5-Figure 15 As shown, the structure of the nylon zipper tape two-end applicator provided by the present invention is described in more detail:

[0036] The nylon zipper tape two-end applicator provided by the present invention includes a frame 100; a nylon zipper tape loading rack 200 is located on the left side of the frame 100, and a nylon zipper tape driving device 300 is provided on the right side of the frame 100. The nylon zipper tape A00 loaded from the nylon zipper tape loading rack 200 to the frame 100 is driven by the nylon zipper tape driving device 300 and moves from the left side to the right side of the frame 100. The "front and back nylon zippers" referred to above refer to the front and back nylon zippers in the direction of movement of the nylon zipper tape, and specifically in this embodiment, they are equivalent to "left and right nylon zippers."

[0037] A glue feeding device 400 is provided above the frame 100 at the rear side of the moving path of the nylon zipper tape A00, a nylon zipper tape positioning device 600 is provided at the front side of the moving path of the nylon zipper tape A00, and an ultrasonic welding device 500 is provided above the moving path of the nylon zipper tape A00. The nylon zipper tape positioning device 600 is used to accurately position the nylon zipper tape A00 to the patch processing position B00 where the ends of the front and rear nylon zippers are facing the glue feeding device 400 and the ultrasonic welding device 500; the glue feeding device 400 positions the two nylon zippers. The films are respectively fed to the outer sides of the adjacent ends of the front and rear nylon zipper tape A00 in the vertical direction; the welding head 510 and the pattern 520 of the ultrasonic welding device 500 are respectively located on the upper and lower sides of the adjacent ends of the front and rear nylon zippers in the vertical direction, and the welding head 510 and the pattern 520 are driven to move relative to each other to cut the two films from the glue feeding device 400 and weld them to the adjacent ends of the front and rear nylon zippers, so as to form the upper stop A10 of one nylon zipper and the lower stop A20 of another adjacent nylon zipper in one-time processing.

[0038] After the upper stop A10 and the lower stop A20 are processed, the nylon zipper tape driving device 300 drives the nylon zipper tape A00 to move to the right so that the ends of the other two adjacent nylon zippers in the nylon zipper tape A00 are facing the glue feeding device 400 and the ultrasonic welding device 500 to carry out the patching of the next two adjacent nylon zipper ends.

[0039] Combine Figure 2-Figure 5As shown, the nylon zipper tape two-end patching machine also includes a fixed-size opening detection device 700; the fixed-size opening detection device 700 is arranged on the upstream side of the patch processing position B00, and the fixed-size opening detection device 700 includes a detection rotating arm 710, the detection rotating arm 710 is inclined toward the moving direction of the nylon zipper tape A00, and the lower end 711 of the detection rotating arm 710 is opposite to the moving path of the nylon zipper tape A00; the lower end 711 of the detection rotating arm 710 detects the height change of the passing nylon zipper tape A00, and when it is detected that the height becomes lower, it is determined that the fixed-size opening A30 has passed, and then the crochet drive mechanism is controlled to delay and drive the crochet 610 to insert the fixed-size opening A30. It is understandable that in the nylon zipper tape A00, the portion with the chain elements and the slider is higher, while the fixed slot A30 area located between the front and rear nylon zippers is lower because it has no chain elements. The lower end 711 of the detection rotating arm 710 contacts the upper side of the passing nylon zipper tape A00, and when the lower end 711 of the detection rotating arm 710 rotates downward, it is determined that the fixed slot A30 has passed, and a delay is preset based on the moving speed of the nylon zipper tape A00. When the fixed slot A30 moves to the bottom of the hook 610, the hook drive mechanism drives the hook 610 to insert into the fixed slot A30. Furthermore, when the fixed slot detection device 700 determines that the fixed slot A30 has passed, it controls the nylon zipper tape drive device 300 to slow down its moving speed to ensure that the hook 610 can accurately insert into the fixed slot A30. Preferably, the lower end 711 of the detection rotating arm 710 is provided with a roller structure to reduce the friction between the lower end 711 and the nylon zipper tape A00.

[0040] Furthermore, the height difference between the area with chain teeth and the fixed-size opening A30 without chain teeth in the nylon zipper tape A00 is not large. To ensure that the fixed-size opening detection device 700 can accurately detect the fixed-size opening A30, the present invention also provides a preferred solution: Specifically, the rotation axis 713 of the detection rotating arm 710 is located in the middle of the detection rotating arm 710, and the distance L1 between the upper end 712 of the detection rotating arm 710 and the rotation axis 713 is greater than the distance L2 between the lower end 711 of the detection rotating arm 710 and the rotation axis 713. In this way, using the principle of leverage, when the lower end 711 of the detection rotating arm 710 moves a smaller distance, it can be magnified to a larger distance at the upper end 712 of the detection rotating arm 710. Furthermore, the ratio of L1 to L2 is greater than or equal to 2.

[0041] Better, such as Figure 5As shown, the nylon zipper tape two-end patching machine also includes a feeding limit device 800, which is arranged on the upstream side of the patch processing position B00; the feeding limit device 800 includes a limiting cantilever 810, which is rotatably inclined, and the lower end of the limiting cantilever 810 is provided with a limiting groove 811 corresponding to the chain tooth part of the nylon zipper tape A00, and when the slider on the nylon zipper tape A00 passes by, the lower end of the limiting cantilever 810 rotates in the direction away from the moving path of the nylon zipper tape A00 to allow the slider to pass through.

[0042] Further, such as Figure 5 As shown, in this embodiment, the fixed-size opening detection device 700 and the feeding limit device 800 are integrated into one structural unit.

[0043] refer to Figure 2 、 Figure 3 、 Figure 10-13 As shown, a left-right movement path for the nylon zipper tape A30 is formed above the frame 100, from the left side to the nylon zipper tape loading rack 200 to the rear nylon zipper tape driving device 300. The sizing detection device 700 and the feeding limit device 800 are located on the left side, while the glue feeding device 400, the ultrasonic welding device 500, and the nylon zipper tape positioning device 600 are located on the right side. The patch processing position B00 on the right side is suspended. The nylon zipper tape A00, which has passed through the sizing detection device 700 and the feeding limit device 800, moves rightward under the drive of the nylon zipper tape driving device 300 to the patch processing position B00. The glue feeding device 400 and the ultrasonic welding device 500 perform patch processing on the suspended nylon zipper tape A30 at the patch processing position B00.

[0044] See also Figure 2 、 Figure 3 、 Figure 8 and Figure 9 As shown, the nylon zipper tape positioning device 600 is located in front of the patch processing station B00. The nylon zipper tape positioning device 600 includes a hook 610 and a hook drive mechanism. Driven by the hook drive mechanism, the hook 610 is inserted into or out of the fixed slot A30 between the adjacent ends of the two nylon zippers. The hook 610 is inserted into the fixed slot A30 to accurately position the nylon zipper tape A00 at the patch processing station B00.

[0045] Further, combined Figure 10-13As shown, two pattern molds 520 are spaced apart and face the vertically outer sides of the adjacent ends of the front and rear nylon zippers, respectively. A hook 610 and the two pattern molds 520 are located on the same vertical side of the nylon zipper tape A00. Driven by a hook drive mechanism, the hook 610 is inserted into or out of the fixed slot A30 between the adjacent ends of the two nylon zippers. During the process of the ultrasonic welding device 500 welding the film to the adjacent ends of the front and rear nylon zippers, the hook 610 is located between the two pattern molds 520 and inserted into the fixed slot A30. According to this structure, during the patching process, the hook 610 is always inserted into the fixed slot A30 to keep the nylon zipper tape A00 in the prepared position. At the same time, the hook 610 is located between the two pattern molds 520 and does not interfere with the welding action of the ultrasonic welding device 500 during the patching process.

[0046] Better, combined Figure 8 and Figure 9 As shown, in the length direction of the nylon zipper tape A00, the end of the crochet hook 610 used for inserting into the fixed size opening A30 is smaller than the size of the fixed size opening A30; after the crochet hook 610 is driven by the crochet hook driving mechanism to move vertically and insert into the fixed size opening A30, the nylon zipper tape A00 is driven by the nylon zipper tape driving device 300 to move until the crochet hook 610 and the end of the fixed size opening A30 hit each other to limit the continued movement of the nylon zipper tape A00. At this time, the nylon zipper tape A00 is accurately positioned to the patch processing position for patching. It can be understood that in this embodiment, the hook 610 can be moved only in the vertical direction to insert into or exit the fixed size opening A30, and is limited in other directions; relying on the detection of the fixed size opening detection device 700 and the setting of the delay switch, when the fixed size opening A30 roughly moves to the hook 610, the hook drive mechanism drives it to move vertically and insert into the fixed size opening A30, and during this process, the nylon zipper tape A00 continues to move until the end on the left side of the fixed size opening A30 hits the hook 610, at which time the nylon zipper tape drive device 300 stops moving, and the glue feeding device 400 and the ultrasonic welding device 500 operate to apply the nylon zipper tape A00. After the nylon zipper tape A00 moves to the patch processing position B00, the signal source for controlling the nylon zipper tape drive device 300 to stop can be a tension detection element (not shown). The tension detection element detects a sudden increase in the tension of the nylon zipper tape A00, and determines that the hook needle 610 and the left side of the fixed slot A30 have abutted, and the nylon zipper tape A00 has reached the patch processing position B00. Those skilled in the art can also use a visual detection device or other well-known technology in the art, or other readily conceivable solutions, to control the nylon zipper tape drive device 300 to stop when the nylon zipper tape A00 reaches the patch processing position B00.

[0047] In another preferred embodiment, Figure 2 、 Figure 3 、 Figure 10-13As shown, similarly, in the length direction of the nylon zipper tape A00, the end portion of the hook 610 for inserting into the fixed size opening A30 is smaller than the size of the fixed size opening A30; the difference is that after the hook 610 is inserted into the fixed size opening A30, the hook 610 can move between the upper end of the stroke on the upstream side and the lower end of the stroke on the downstream side in the moving direction of the nylon zipper tape A00; the hook drive mechanism includes a vertical drive member 620, a horizontal drive member 630, and a rebound drive member, and the vertical drive member 620 drives the hook 610 When inserting or withdrawing from the fixed-size opening A30, the rebound drive member drives the hook needle 610 to always have a movement tendency to move toward the upper end of the stroke, and the transverse drive member is used to drive the hook needle 610 from the upper end of the stroke to the lower end of the stroke; when the transverse drive member 630 stops driving the hook needle 610, the hook needle 610 moves toward the upper end of the stroke under the drive of the rebound drive member until it is dragged to the lower end of the stroke through the fixed-size opening A30 by the nylon zipper tape drive mechanism 300. At this time, the nylon zipper tape A00 is in the patch processing position B00. According to this preferred embodiment, after the hook needle 610 is inserted into the fixed-size opening A30, the cooperation between the transverse drive member 630 and the rebound drive member makes the process of the hook needle 610 moving to the left end of the fixed-size opening A30 relatively slow, avoiding a large impact force between the hook needle 610 and the left end of the fixed-size opening A30, which may cause the nylon zipper tape A00 to be pulled and deformed.

[0048] Furthermore, the hook needle drive mechanism includes a limit sensor for detecting whether the hook needle 610 has reached the lower limit of its travel. When the hook needle 610 is dragged to the lower limit by the nylon zipper tape drive mechanism 300, the limit sensor provides a feedback signal to control the nylon zipper tape drive mechanism 300 to stop. According to this preferred embodiment, the nylon zipper tape drive mechanism 300 is controlled to stop by the feedback signal from the limit sensor, and further controls the operation of the glue feeding device 400 and the ultrasonic welding device 500 to achieve the patching, resulting in a relatively ideal control effect.

[0049] Furthermore, when the hook 610 is dragged to the lower end of the stroke by the nylon zipper tape driving mechanism 300, the transverse driving member 630 pushes the hook 610 toward the lower end of the stroke, so that the hook 610 is reliably positioned at the lower end of the stroke to perform patch processing on the nylon zipper tape A00.

[0050] Furthermore, when the crochet needle 610 moves between the upper end and the lower end of the stroke, the pattern 520 moves away from the nylon zipper tape A00, and the distance between the crochet needle 610 and the nylon zipper tape A00 in the vertical direction is smaller than the distance between the pattern 520 and the nylon zipper tape A00. When the crochet needle 610 moves to the lower end of the stroke and the two pattern molds 520 move toward the nylon zipper tape A00 to the welding position, the crochet needle 610 is located between the two pattern molds 520. It can be understood that the distance between the two nylon zippers in the nylon zipper tape A00 is relatively short, and the size of the fixed size opening A30 is also not large, usually only 3 cm or even smaller, and the position used to attach the film to form the upper stop A10 and the lower stop A20 is close to the end of the fixed size opening A30, so there is not much space for the crochet hook 610 to move. In this preferred embodiment, the crochet hook 610 can have a larger space for movement, and the crochet hook 610 does not interfere with the pattern 520 during the movement between the upper end and the lower end of the stroke.

[0051] Furthermore, an avoidance groove 511 for avoiding the hook needle 610 is provided on the inner wall of the welding head 510 on the left side, so that the welding head 510 and the hook needle 610 do not interfere with each other when the welding head 510 moves downward for welding and the hook needle 610 moves vertically to exit the fixed size mouth A30.

[0052] like Figure 2 、 Figure 3 and Figure 6 As shown, the glue feeding device 400 is arranged at the rear side of the patch processing position B00, and the glue feeding device 400 is provided with two protruding film feeding ends 410 on the side facing the patch processing position B00. The film feeding ends 410 are used to feed the film to the top of the patch processing position B00.

[0053] See also Figure 2 、 Figure 3 and Figure 7 As shown, the ultrasonic welding device 500 includes a welding head 510 and a pattern 520. The welding head 510 and the pattern 520 are respectively located at the upper and lower sides of the patch processing position B00. After the zipper tape positioning device 600 accurately positions the nylon zipper tape A00 to the patch processing position B00, the welding head 510 and the pattern 520 move relatively to approach the nylon zipper tape A00 and thus realize the welding of the two films to the nylon zipper tape A00. Specifically in this embodiment, combined with Figure 7As shown, the welding head 510 is arranged below the patch processing position B00, and the welding surface on the upper side is a flat plate structure; two flower molds 520 are arranged above the patch processing position B00, and the two flower molds 520 are an integrated structure, and the overall shape is an inverted U; the two flower molds 520 cut the two films and press them against the upper side of the nylon zipper tape A00, and the welding head 510 on the lower side of the nylon zipper tape A00 realizes the welding of the two films to the nylon zipper tape A00, thereby forming the upper stop A10 and the lower stop A20. Of course, in other embodiments different from this embodiment, the flower film 520 can also be located below the patch processing position B00 and the welding head 510 can be arranged above the patch processing position B00, and the nylon zipper tape A00 can be patched by relying on the vertical movement of the welding head 510.

[0054] Combine Figures 1-15 As shown in the figure, the working process of the nylon zipper tape two-end applicator of the present invention is described in detail:

[0055] The nylon zipper tape A00 loaded from the nylon zipper tape loading rack 200 to the frame 100 is driven by the nylon zipper tape driving device 300 and moves from the left side to the right side of the frame 100. During the movement, the nylon zipper tape A00 passes through the fixed-size detection device 700, the feeding limit device 800 and the patch processing position B00 in sequence;

[0056] When the nylon zipper tape A00 passes through the fixed-size opening detection device 700, the lower end 711 of the detection rotating arm 710 detects the height change of the nylon zipper tape A00 passing through. When the height is detected to be lower, it is determined that the fixed-size opening A30 has passed. The hook drive mechanism is controlled by delay to drive the hook 610 to insert the fixed-size opening A30.

[0057] When the nylon zipper tape A00 passes through the feeding limiting device 800, the teeth of the nylon zipper tape A00 pass through the corresponding limiting grooves 811 at the lower end of the limiting cantilever 810, thereby limiting the position of the nylon zipper tape A00. When the slider on the nylon zipper tape A00 passes through, the lower end of the limiting cantilever 810 rotates in a direction away from the moving path of the nylon zipper tape A00 to allow the slider to pass through.

[0058] The nylon zipper tape A00 continues to move to the right until it passes under the hook 610 at a certain opening A30. At this time, the delay switch controlled by the fixed opening detection device 700 is activated, and the vertical driving member 620 is controlled to drive the hook 610 to insert into the fixed opening A30. Figure 14 Then the horizontal drive member 630 releases the force on the hook 610, and the hook 610 moves toward the upper end of the stroke under the drive of the rebound drive member until the hook 610 and the left and right sides of the fixed inch opening A30 are against each other, as shown. Figure 15Then the nylon zipper drive mechanism 300 drags the hook 610 to the lower end of the stroke through the fixed inch port A30, at which time the position of the hook 610 Figure 14 As shown, at this time, the nylon zipper tape A00 is in the patch processing position B00;

[0059] When the limit sensor detects that the hook needle 610 moves and is dragged to the lower end of the stroke by the nylon zipper tape driving mechanism 300, the limit sensor feedback signal is used to control the nylon zipper tape driving device 300 to stop moving and start the glue feeding device 400 and the ultrasonic welding device 500, wherein the glue feeding device 400 feeds two films above the nylon zipper tape A00, and the welding head 510 and the pattern 520 of the ultrasonic welding device 500 move relative to each other, wherein the two pattern dies 520 above the nylon zipper tape A00 cut the two films during the movement and press them against the upper side of the nylon zipper tape A00, and the two films are welded to the nylon zipper tape A00 through the welding head 510 on the lower side of the nylon zipper tape A00, thereby forming an upper stop A10 and a lower stop A20.

[0060] After the patching is completed, the pattern mold 520 moves upward away from the nylon zipper tape A00, and the crochet hook 610 moves upward and exits the fixed size opening A30 under the drive of the vertical drive member 620. The nylon zipper tape driving mechanism 300 drives the nylon zipper tape A00 to move to the right for unloading, until the fixed size opening A30 between the two zipper tapes on the left side of the nylon zipper tape A00 moves to the patching processing position B00.

[0061] The above disclosure is only the preferred embodiment of the present invention, which certainly cannot be used to limit the scope of the present invention. Therefore, equivalent changes made according to the scope of the patent application of the present invention are still within the scope of the present invention.

Claims

1. A nylon zipper tape two-end applicator, characterized in that: The nylon zipper tape is adapted to simultaneously adhere adhesive tape to the adjacent ends of the front and rear nylon zippers in the nylon zipper tape to form an upper stop and a lower stop respectively; the nylon zipper tape two-end taping machine comprises a nylon zipper tape driving device, a glue feeding device, an ultrasonic welding device and a nylon zipper tape positioning device; the nylon zipper tape driving device is used to drive the nylon zipper tape to move in the length direction; the nylon zipper tape positioning device is used to accurately position the nylon zipper tape to the adjacent ends of the front and rear nylon zippers facing the taping processing position of the glue feeding device and the ultrasonic welding device; the glue feeding device is used to respectively feed the two films to the outer sides of the adjacent ends of the front and rear nylon zippers in the nylon zipper tape in the vertical direction, and the welding heads and the pattern molds of the ultrasonic welding device, which are respectively located on the upper and lower sides of the nylon zipper tape, move relative to each other to cut the two films from the glue feeding device and weld them to the adjacent ends of the front and rear nylon zippers respectively, so as to form a nylon zipper upper stop in one-time processing. and a lower stop portion of another adjacent nylon zipper; the nylon zipper tape positioning device includes a hook needle and a hook needle driving mechanism, the hook needle driving mechanism includes a vertical driving member, a horizontal driving member, and a rebound driving member, the vertical driving member drives the hook needle to insert or withdraw from the fixed size slot between the adjacent ends of the two nylon zippers, and when the hook needle is inserted into the fixed size slot, the hook needle moves between the upper end of the stroke on the upstream side and the lower end of the stroke on the downstream side in the moving direction of the nylon zipper tape; wherein, the rebound driving member drives the hook needle to always have a movement tendency to move toward the upper end of the stroke, and the horizontal driving member is used to drive the hook needle from the upper end of the stroke to the lower end of the stroke; when the horizontal driving member stops driving the hook needle, the hook needle moves in the direction of the upper end of the stroke under the drive of the rebound driving member until it is dragged to the lower end of the stroke by the nylon zipper tape driving mechanism through the fixed size slot, and at this time the nylon zipper tape is in the patch processing position.

2. The nylon zipper tape two-end applicator according to claim 1, characterized in that: The two flower molds are arranged at intervals and are respectively facing the outer sides of the adjacent ends of the front and rear nylon zippers in the vertical direction; the crochet hook and the two flower molds are located on the same side of the nylon zipper tape in the vertical direction; when the ultrasonic welding device welds the film to the adjacent ends of the front and rear nylon zippers, the crochet hook is located between the two flower molds and inserted into the fixed size opening.

3. The nylon zipper tape two-end applicator according to claim 2, characterized in that: In the length direction of the nylon zipper tape, the end portion of the crochet needle used for inserting into the fixed-size opening is smaller than the size of the fixed-size opening.

4. The nylon zipper tape two-end applicator according to claim 3, characterized in that: The crochet needle driving mechanism also includes a limit sensor, which is used to detect whether the crochet needle moves to the lower end of the stroke. When the crochet needle moves and is dragged to the lower end of the stroke by the nylon zipper tape driving mechanism through the nylon zipper tape, the limit sensor feedback signal is used to control the nylon zipper tape two-end applicator to perform corresponding actions.

5. The nylon zipper tape two-end applicator according to claim 4, characterized in that: When the crochet hook is dragged to the lower end of the stroke by the nylon zipper tape driving mechanism, the transverse driving member is controlled to push the crochet hook toward the lower end of the stroke according to the feedback signal of the limit sensor, so that the crochet hook is reliably positioned at the lower end of the stroke to perform patch processing on the nylon zipper tape.

6. The nylon zipper tape two-end applicator according to claim 3, characterized in that: During the movement of the crochet hook between the upper end and the lower end of the stroke, the pattern is away from the nylon zipper tape, and the distance between the crochet hook and the nylon zipper tape in the vertical direction is smaller than the distance between the pattern and the nylon zipper tape; when the crochet hook moves to the lower end of the stroke and the two pattern molds move toward the nylon zipper tape to the welding position, the crochet hook is located between the two pattern molds.

7. The nylon zipper tape two-end applicator according to claim 1, characterized in that: The nylon zipper tape two-end patching machine also includes a fixed-size opening detection device; the fixed-size opening detection device is arranged on the upstream side of the patching processing position, and the fixed-size opening detection device includes a detection rotating arm, the detection rotating arm is inclined toward the moving direction of the nylon zipper tape, and the lower end of the detection rotating arm is facing the moving path of the nylon zipper tape; the lower end of the detection rotating arm detects the height change of the passing nylon zipper tape, and when it is detected that the height becomes lower, it is determined that the fixed-size opening has passed, and then the hook drive mechanism is delayed to control the hook to insert the hook into the fixed-size opening.

8. The nylon zipper tape two-end applicator according to claim 7, characterized in that: The rotation axis of the detection rotating arm is located in the middle of the detection rotating arm, and the distance L1 between the upper end of the detection rotating arm and the rotation axis is greater than the distance L2 between the lower end of the detection rotating arm and the rotation axis.

9. The nylon zipper tape two-end applicator according to claim 1, characterized in that: The nylon zipper tape two-end applicator also includes a feeding limit device, which is arranged on the upstream side of the applicator processing position; the feeding limit device includes a limiting cantilever, which is rotatably inclined, and the lower end of the limiting cantilever is provided with a limiting groove corresponding to the chain tooth portion of the nylon zipper tape, and when the slider on the nylon zipper tape passes by, the lower end of the limiting cantilever rotates in a direction away from the moving path of the nylon zipper tape to allow the slider to pass through.

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