Zipper head positioning mold

Abstract

The utility model relates to a zipper head positioning die, including the bottom plate, both ends of bottom plate are fixedly connected with the baffle, two baffles are fixedly connected with the elastic expansion link in the end of each other, the end of two elastic expansion links is fixedly connected with the limit block of each other, the upper end of bottom plate is equipped with the sliding slot, the upper end fixedly connected with L type fixed block has in the middle part of bottom plate, L type fixed block is located in the upper end of sliding slot, L type fixed block is located between two limit blocks, the upper end fixedly connected with cylinder has in L type fixed block, the two motorized turning shafts are installed to the upper end of bottom plate, two motorized turning shafts are about L type fixed block symmetry, the outer wall of two motorized turning shafts all is provided with the blocking claw, adopt above -mentioned structure, realize the limit fixed of two directions to zipper head, make the positioning of zipper head more stable, simultaneously, the contour of baffle and the shape same of zipper head both sides make the even stress of zipper head when fixed, convenient for subsequent riveting pressure work.

Description

Technical Field

[0001] This utility model relates to a zipper head positioning mold, and more particularly to a zipper head positioning mold applied in the field of zipper processing. Background Technology

[0002] Zippers are connectors that use continuously arranged teeth to join or separate items. They are widely used in clothing, packaging, tents, and other fields. The zipper head is an important component of a zipper, mainly used to engage and disengage the teeth. It is usually located at the top of the zipper and is responsible for connecting and disengaging the zipper teeth.

[0003] Chinese utility model patent CN206046883U discloses a clamp for fixing zipper heads. The device includes a base, a positioning mechanism located at the front end of the base, and a pressing mechanism located at the top of the base. The base is integrally composed of a fixed seat and a positioning seat. The positioning mechanism includes a positioning block and a positioning stud. The positioning block is fixedly installed on the top of the positioning seat, and the front end of the positioning block is provided with a positioning piece that matches the zipper head. The positioning stud is adjustablely located at the front end of the positioning seat. The pressing mechanism includes a connecting seat, a tension spring, and a rotatable pressing head. The connecting seat is fixedly installed on the top of the fixed seat, and the front end of the connecting seat is rotatably connected to the bottom end of the pressing head. The top end of the pressing head is provided with a pressing block. The upper end of the tension spring is fixedly connected to the pressing head, and the lower end of the tension spring is fixedly connected to the fixed seat.

[0004] In the above technical solution, the cap of the zipper head is only pressed and fixed by the pressure block. The unidirectional fixation is limited and it is easy to shift. In addition, the riveting is also in the Z-axis direction, which can easily affect the fixation of the Z-axis. Utility Model Content

[0005] The technical problem to be solved by this utility model is that the zipper head is only fixed in one direction, and the zipper head is prone to displacement during the riveting process.

[0006] To solve the above problems, this utility model provides a zipper head positioning mold, including a base plate with baffles fixedly connected to both ends, elastic telescopic rods fixedly connected to the ends of the two baffles that are close to each other, and limit blocks fixedly connected to the ends of the two elastic telescopic rods that are close to each other. A sliding groove is provided at the upper end of the base plate, and an L-shaped fixing block is fixedly connected to the middle of the upper end of the base plate. The L-shaped fixing block is located at the upper end of the sliding groove and between the two limit blocks. A cylinder is fixedly connected to the upper end of the L-shaped fixing block. Two electric rotating shafts are installed at the upper end of the base plate. The two electric rotating shafts are symmetrical about the L-shaped fixing block, and the outer walls of the two electric rotating shafts are provided with pawls.

[0007] In the aforementioned zipper head positioning mold, two limiting blocks, under the pressure of the elastic telescopic rod, limit and fix the zipper head in the X-axis direction. The L-shaped fixing block, electric rotating shaft, and stop claw limit the zipper head in the Y-axis. The overall device makes the positioning of the zipper head more stable. At the same time, the contour of the stop block is the same as the structure on both sides of the zipper head, so that the zipper head is subjected to uniform force when fixed, reducing the occurrence of uneven force in some areas and thus reducing the occurrence of damage. This facilitates subsequent riveting work.

[0008] As a further improvement of this application, the base plate is provided with a guide groove, and the limiting block is slidably connected in the guide groove, and the guide groove and the sliding groove are connected.

[0009] As a further improvement to this application, the end of the limiting block away from the elastic telescopic rod has an arc surface structure, and the arc surface structure of the two limiting blocks is the same as and fits the shape of the two sides of the zipper head.

[0010] As a further improvement of this application, the front end of the L-shaped fixing block is V-shaped, and a pressure sensor is fixedly connected to the V-shaped end face of the L-shaped fixing block.

[0011] As another improvement of this application, the electric rotating shaft is replaced with a segmented shaft, which includes a cylindrical segment and a polygonal prism segment arranged coaxially. The cylindrical segment and the polygonal prism segment are fixedly connected, and an inner hole is drilled in the pawl. The segmented shaft moves through the inner hole.

[0012] As a further improvement to this application, the shape of the inner hole is the same as and fits the outline of the polygonal prism segment, and the diameter of the cylindrical segment is smaller than the diameter of the inscribed circle of the polygonal prism segment's cross-section.

[0013] In summary, the zipper head slides along the sliding groove towards the L-shaped fixing block. The zipper head presses against the limiting blocks on both sides of the L-shaped fixing block. Under the pressure of the elastic telescopic rod, the limiting blocks press and fix the two sides of the zipper head. The zipper head abuts against the end face of the L-shaped fixing block. The electric rotating shaft drives the stop claw to fix the end face of the zipper head. The entire device limits and fixes the zipper head in two directions, so that the external force of the zipper head is uniform and the fixing is stable, which facilitates the subsequent riveting work. Attached Figure Description

[0014] Figure 1 This is a working assembly drawing of the mold according to the first embodiment of this application; Figure 2 This is an exploded view of the mold in standby state according to the first embodiment of this application; Figure 3 This is a front view of the mold in standby state according to the first embodiment of this application; Figure 4 This is a working diagram of the zipper head riveting according to the first embodiment of this application; Figure 5This is an exploded view of the pawl in the second embodiment of this application; Figure 6 This is a flowchart illustrating the process of the stop claw in the second embodiment of this application.

[0015] Explanation of the labels in the diagram: 1. Base plate, 2. Baffle, 3. Elastic telescopic rod, 4. Pressure sensor, 5. L-shaped fixing block, 6. Limiting block, 7. Electric rotating shaft, 8. Claw, 9. Guide groove, 10. Sliding groove, 11. Cylinder, 121. Cylindrical section, 122. Polygonal prism section. Detailed Implementation

[0016] The following describes in detail the various embodiments of this application with reference to the accompanying drawings.

[0017] Implementation method 1: Figure 1-3 The diagram shows a zipper head positioning mold, comprising a base plate 1, with baffles 2 fixedly connected to both ends of the base plate 1, elastic telescopic rods 3 fixedly connected to the ends of the two baffles 2 that are close to each other, and limit blocks 6 fixedly connected to the ends of the two elastic telescopic rods 3 that are close to each other. A sliding groove 10 is provided on the upper end of the base plate 1, and an L-shaped fixing block 5 is fixedly connected to the middle of the upper end of the base plate 1. The L-shaped fixing block 5 is located at the upper end of the sliding groove 10 and between the two limit blocks 6. A cylinder 11 is fixedly connected to the upper end of the L-shaped fixing block 5. Those skilled in the art can select a suitable model of cylinder 11 according to actual needs, such as a GCYL20 cylinder. After the riveting work is completed, the cylinder 11 is activated, and the push rod on the cylinder pushes the zipper head away from the working position. Two electric rotating shafts 7 are installed on the upper end of the base plate 1. Those skilled in the art can select a suitable model of electric rotating shaft 11 according to actual needs, such as a BZ89 rotating shaft. The two electric rotating shafts 7 are symmetrical about the L-shaped fixing block 5, and the outer walls of the two electric rotating shafts 7 are provided with pawls 8.

[0018] Figure 2 As shown, a guide groove 9 is provided at the upper end of the base plate 1, and a limiting block 6 is slidably connected in the guide groove 9. The guide groove 9 and the sliding groove 10 are connected, so that the limiting block moves along the expected path, reducing the occurrence of offset and thus the phenomenon of unstable positioning.

[0019] Figure 4 As shown, the zipper head includes a zipper head body, a cap, and a pull tab. Under normal conditions, one end of the cap is raised. After riveting, both ends of the cap are completely attached to the upper surface of the zipper head.

[0020] Figure 2 As shown, the end of the limiting block 6 away from the elastic telescopic rod 3 has an arc surface structure. The arc surface structure of the two limiting blocks 6 is the same as and fits the shape of the two sides of the zipper head, so that the zipper head is subjected to uniform force when it is limited and fixed.

[0021] Figure 2 As shown, the front end of the L-shaped fixing block 5 is V-shaped, and a pressure sensor 4 is fixedly connected to the V-shaped end face of the L-shaped fixing block 5. Those skilled in the art can select a suitable model of pressure sensor 4 according to actual needs, such as using an LSB205 sensor. Push the zipper head to fit against the L-shaped fixing block 5. After the pressure data received by the pressure sensor 4 gradually exceeds the set threshold, the electric rotating shaft 7 rotates to drive the stop claw 8 to limit and fix the zipper head.

[0022] Working principle: During the assembly of the zipper head, the zipper head is pushed along the sliding groove 10 towards the L-shaped fixing block 5 until the inside of the zipper head and the end face of the L-shaped fixing block 5 come into contact. This causes the data from the pressure sensor 4 to gradually increase until it exceeds the set pressure threshold. Then, the electric rotating shaft 7 rotates, driving the stop 8 to rotate and come into contact with the end face of the zipper head, thus limiting and fixing the zipper head in the Y-axis direction. At the same time, during the process of pushing the zipper head, the zipper head presses against the limiting blocks 6 on both sides of the L-shaped fixing block 5. Under the pressure of the elastic telescopic rod 3, the two limiting blocks 6 are pressed outward against the outer wall of the zipper head. When the zipper head comes into contact with the L-shaped fixing block 5, the two limiting blocks 6 are completely in contact with the outer wall of the zipper head, thus pressing and fixing the zipper head in the X-axis direction. The whole device limits and fixes the zipper head in two directions, so that the external force of the zipper head is even and the fixing is stable. At this time, the pull tab is snapped in from the raised part of the cap, and the riveting device located directly above the zipper head can perform subsequent riveting work.

[0023] The second implementation method: Figure 5-6 As shown, the electric rotating shaft 7 is replaced with a segmented shaft, which includes a cylindrical segment 121 and a polygonal prism segment 122 arranged coaxially. The stop claw 8 has an inner hole, through which the segmented shaft moves. The shape of the inner hole is the same as the outline of the polygonal prism segment 122. The cylindrical segment 121 and the polygonal prism segment 122 are fixedly connected. The diameter of the cylindrical segment 121 is smaller than the diameter of the inscribed circle of the polygonal prism segment 122. When fixing the zipper head, the stop claw 8 can be stably fixed due to the structure of the polygonal prism segment 122 and is not easy to loosen. After riveting, the worker can lift the stop claw 8 and rotate it to the open position at the position of the cylindrical segment 121. Then, the cylinder 11 is activated, and the zipper head is pushed out of the worktable by the push rod.

[0024] Compared with the first embodiment, replacing the electric rotating shaft 7 with a segmented shaft and using a mechanical structure effectively reduces the possibility of the zipper head hitting the zipper head and causing damage to the device due to the zipper head hitting the zipper head 8 because the zipper head 8 fails to rotate in time due to a power system failure.

[0025] In light of current practical needs, the above-described embodiments adopted in this application are not limited to these. Any changes made within the scope of knowledge possessed by those skilled in the art without departing from the concept of this application still fall within the protection scope of this utility model.

Claims

1. A zipper head positioning mold, comprising a base plate (1), characterized in that: Both ends of the base plate (1) are fixedly connected to baffles (2). Both ends of the two baffles (2) are fixedly connected to elastic telescopic rods (3). Both ends of the two elastic telescopic rods (3) are fixedly connected to limit blocks (6). The upper end of the base plate (1) is provided with a sliding groove (10). The middle of the upper end of the base plate (1) is fixedly connected to an L-shaped fixing block (5). The L-shaped fixing block (5) is located at the upper end of the sliding groove (10). The L-shaped fixing block (5) is located between the two limit blocks (6). The upper end of the L-shaped fixing block (5) is fixedly connected to a cylinder (11). The upper end of the base plate (1) is equipped with two electric rotating shafts (7). The two electric rotating shafts (7) are symmetrical about the L-shaped fixing block (5). The outer walls of the two electric rotating shafts (7) are provided with pawls (8).

2. The zipper head positioning mold according to claim 1, characterized in that: The bottom plate (1) has a guide groove (9) at its upper end. The limiting block (6) is slidably connected in the guide groove (9). The guide groove (9) and the sliding groove (10) are connected.

3. The zipper head positioning mold according to claim 1, characterized in that: The end of the limiting block (6) away from the elastic telescopic rod (3) has an arc surface structure, and the arc surface structure of the two limiting blocks (6) is the same as and fits the two sides of the zipper head.

4. The zipper head positioning mold according to claim 1, characterized in that: The front end of the L-shaped fixing block (5) is V-shaped, and a pressure sensor (4) is fixedly connected to the V-shaped end face of the L-shaped fixing block (5).

5. A zipper head positioning mold according to claim 1, characterized in that: The electric rotating shaft (7) is replaced with a segmented shaft, which includes a cylindrical segment (121) and a polygonal prism segment (122) arranged coaxially. The cylindrical segment (121) and the polygonal prism segment (122) are fixedly connected. The pawl (8) has an inner hole, and the segmented shaft moves through the inner hole.

6. A zipper head positioning mold according to claim 5, characterized in that: The shape of the inner hole is the same as and fits the outline of the polygonal prism segment (122), and the diameter of the cylindrical segment (121) is smaller than the diameter of the inscribed circle of the cross section of the polygonal prism segment (122).

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