Spliced chain head penetrating die
By designing a chain-piercing mold that includes support, mold assembly and hook needle assembly, the problem that existing molds cannot be suitable for different specifications of lap heads and cannot be universally handled by different types of zippers, the precise positioning and clamping of lap heads of different specifications is achieved, and different types of zippers can be handled without changing accessories, which improves the versatility of the mold and saves labor costs.
Patent Information
- Application Number
- CN202421709686.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-18
- Publication Date
- 2025-05-09
- Estimated Expiration
- 2034-07-18
AI Technical Summary
The existing chain-piece piercing molds cannot be used for pulling heads and pulling pieces of different specifications, and cannot universally handle uncoded, straight, and oblique zippers, which makes it troublesome to replace the mold and waste labor costs.
A chain-piece piercing mold including support, mold assembly and hook assembly is designed. Through mold clamping cylinders, bifurcation cylinders and hook cylinders, precise positioning and clamping of different specifications of pull heads is achieved, and different types of zippers can be handled through hook assembly without changing accessories.
It realizes accurate positioning and clamping of different sizes of pull-tips and pull-tabs, improves the versatility of the mold, and handles uncoded, straight-coded, and oblique zippers without changing accessories, saving labor costs and trouble of replacing molds.
Smart Images

Figure CN222840580U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of zipper equipment, in particular to a chain-joining head-threading mould. Background Art
[0002] The existing chain piercing mold has the following disadvantages:
[0003] First, it can only be used for some conventional sliders for production. When the pull tab of the slider is too long, it cannot be positioned or demolded. Second, when threading the zipper with no code, straight code, or oblique code, it cannot be used universally. Production can only be carried out by replacing this mold, which is particularly troublesome and wastes a lot of manpower costs.
[0004] It can be seen from this that it is necessary to develop a new type of chain piercing mold with strong versatility. Utility Model Content
[0005] Therefore, in order to solve the above problems, the utility model provides a kind of zipper inserting mold which can realize accurate positioning of zippers and pull tabs of different sizes while improving versatility; and can realize the inserting and chain splicing process for zippers with no code, straight code and oblique code without replacing any accessories.
[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0007] A chain piercing die, comprising a support, a die assembly and a hook needle assembly arranged on the support, the die assembly comprising a first lower die, a second lower die, a hook cylinder, a mold closing cylinder, a forked cylinder, a first hook, a second hook, an adjustment plate, a first slider, a second slider, a spring, a spring seat, a first cylinder connection, a second cylinder connection, a third cylinder connection, a guide rail mechanism, a lower die seat, a sliding seat and a forked rod, the lower die seat is arranged at the lower part of the support, the lower die seat has a first slide groove and a second slide groove distributed in a vertical direction, the first slider is arranged in the first slide groove, the second slider is arranged in the second slide groove, the spring seat is arranged at the lower end of the second slide groove, the spring is arranged between the second slider and the spring The hook cylinder is arranged on the support, the hook cylinder is connected to the first slider through the first cylinder connection, the lower end of the second hook is hinged to the first slider through the first round pin, the middle part of the second hook is hinged to the second slider through the second round pin, the upper end of the second hook is connected to the lower end of the first hook through an adjustment plate, the first lower mold and the guide rail mechanism are arranged on the upper part of the support, the sliding seat is arranged on the guide rail mechanism, the mold closing cylinder is connected to the sliding seat through the second cylinder connection, the second lower mold and the forked cylinder are arranged on the sliding seat, the second lower mold has a third slide groove, the forked cylinder is connected to the forked rod through the third cylinder connection, and the forked rod slides along the third slide groove.
[0008] Furthermore, a strip groove is provided at the lower end of the first hook.
[0009] Furthermore, the piston rod of the mold clamping cylinder is provided with an adjusting nut for adjusting the cylinder stroke.
[0010] Furthermore, the hook needle assembly includes a hook needle cylinder, a hook needle, a tension spring, a hook needle swing plate and a proximity switch. The hook needle swing plate is hinged to the support through a third round pin, the hook needle is arranged on the hook needle swing plate, the hook needle cylinder is connected to the hook needle swing plate, the tension spring connects the hook needle and the support, and the proximity switch is arranged on the side of the hook needle swing plate to detect the amplitude of the counterclockwise swing of the hook needle.
[0011] Furthermore, a pressure plate for limiting the rotation of the hook is provided on the support.
[0012] Furthermore, the hook swing plate is provided with screws, and the free ends of the screws are distributed around the proximity switch.
[0013] By adopting the above technical solution, the beneficial effects of the utility model are:
[0014] 1) The chain head insertion mold is placed in the mold, and the hook cylinder drives the first slider to move downward, so that the first hook rotates clockwise around the second round pin to hook the pull tab of the slider, and then drives the second slider to pull down and lock after overcoming the tension of the spring, so as to achieve better positioning;
[0015] 2) The mold clamping cylinder drives the second lower mold to advance through the sliding seat, so that the first lower mold and the second lower mold clamp the slider, which is suitable for clamping and fixing sliders of different specifications;
[0016] 3) The bifurcated cylinder moves, extending the bifurcated rod and separating the zipper tape to facilitate the insertion of the slider;
[0017] 4) The hook cylinder moves, the hook is extended, the zipper tape is pulled, the slider is inserted, and the hook cylinder pushes up, the first hook rotates, and the pull tab of the slider is released;
[0018] 5) The chain-threading mold can accurately position the sliders and pull tabs of different sizes while improving versatility; and the chain-threading process can be achieved for zippers with no code, straight code, or oblique code without replacing any accessories. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 It is a schematic diagram of the three-dimensional structure of the embodiment of the utility model in a front view state;
[0020] Figure 2 It is a schematic diagram of the three-dimensional structure in the rear view state of the embodiment of the utility model;
[0021] Figure 3It is a three-dimensional structural schematic diagram of the mold assembly in the embodiment of the utility model;
[0022] Figure 4 It is a front view structural schematic diagram of the mold assembly in the embodiment of the utility model;
[0023] Figure 5 It is a schematic diagram of the top view of the mold assembly in the embodiment of the utility model;
[0024] Figure 6 It is a schematic cross-sectional structural diagram of the mold assembly in the embodiment of the utility model in a closed state;
[0025] Figure 7 It is a schematic cross-sectional structural diagram of the mold assembly in the embodiment of the utility model in an open state;
[0026] Figure 8 It is a three-dimensional structural schematic diagram of the hook needle assembly in the embodiment of the utility model;
[0027] Fig. 9 It is a front view structural schematic diagram of the hook needle assembly in the embodiment of the utility model;
[0028] Fig.10 It is a schematic diagram of the top view of the hook needle assembly in the embodiment of the utility model. DETAILED DESCRIPTION
[0029] The utility model is now further described in conjunction with the accompanying drawings and specific implementation methods.
[0030] The utility model embodiment is:
[0031] refer to Figures 1 to 10As shown, a chain piercing die comprises a support 1, a die assembly 2 arranged on the support 1 and a hook needle assembly 4, wherein the die assembly 2 comprises a first lower die 21, a second lower die 22, a hook cylinder 23, a clamping cylinder 24, a forked cylinder 25, a first hook 26, a second hook 27, an adjustment plate 28, a first slider 29, a second slider 30, a spring 31, a spring seat 32, a first cylinder connecting tool 33, a second cylinder connecting tool 34, a third cylinder connecting tool 35, a guide The rail mechanism 36, the lower die seat 37, the sliding seat 38 and the bifurcated rod 39, the lower die seat 37 is arranged at the lower part of the support 1, and the lower die seat 37 has a first slide groove 371 and a second slide groove 372 distributed in the vertical direction, the first slider 29 is arranged in the first slide groove 371, the second slider 30 is arranged in the second slide groove 372, the spring seat 32 is arranged at the lower end of the second slide groove 372, and the spring 31 is arranged between the second slider 30 and the spring seat 32. The hook cylinder 23 is arranged on the support 1, and the hook cylinder 23 is connected to the first slider 29 through the first cylinder connector 33. The lower end of the second hook 27 is hinged to the first slider 29 through the first round pin 51, and the middle part of the second hook 27 is hinged to the second slider 30 through the second round pin 52. The upper end of the second hook 27 is connected to the lower end of the first hook 26 through the adjustment plate 28. The first lower mold 21 and the guide rail mechanism 36 are arranged on the support 1. The upper part of the slide seat 38 is arranged on the guide rail mechanism 36, the mold closing cylinder 24 is connected to the slide seat 38 through the second cylinder connector 34, the second lower mold 22 and the fork cylinder 25 are arranged on the slide seat 38, the second lower mold 22 has a third slide groove 221, the fork cylinder 25 is connected to the fork rod 39 through the third cylinder connector 35, the fork rod 39 slides along the third slide groove 221, and the lower end of the first hook 26 is provided with a strip groove 261.
[0032] In this embodiment, the piston rod of the mold clamping cylinder 24 is provided with an adjusting nut 241 for adjusting the cylinder stroke.
[0033] In addition, the hook needle assembly 4 includes a hook needle cylinder 41, a hook needle 42, a tension spring 43, a hook needle swing plate 44 and a proximity switch 45. The hook needle swing plate 44 is hinged to the support 1 through a third round pin 53. The hook needle 42 is arranged on the hook needle swing plate 44. The hook needle cylinder 41 is connected to the hook needle swing plate 44. The tension spring 43 connects the hook needle 42 and the support 1. The proximity switch 45 is arranged on the side of the hook needle swing plate 44 for detecting the amplitude of the counterclockwise swing of the hook needle 42. The hook needle cylinder 41 is a precision slide cylinder.
[0034] At the same time, a pressing plate 46 for limiting the rotation of the hook needle 42 is provided on the support 1.
[0035] Furthermore, a screw 47 is provided on the hook swing plate 44 , and a free end of the screw 47 is distributed around the proximity switch 45 .
[0036] When the present chain piercing mould is used, the slider is pressed into the mould, and the mould closing cylinder 24 drives the second lower mould 22 to advance through the sliding seat 38, so that the first lower mould 21 and the second lower mould 22 clamp the slider, and at the same time, the hook cylinder 23 drives the first slide block 29 to move downward, so that the first hook 26 rotates clockwise around the second round pin 52 to hook the pull tab of the slider, and then drives the second slide block 30 to pull down and lock it after overcoming the tension of the spring 31; the fork cylinder 25 is actuated to extend the fork rod 39; the hook needle cylinder 41 is actuated to extend the hook needle 42, and the first hook 26 rotates by pushing up the hook cylinder 23 to release the pull tab of the slider. The chain piercing mould can achieve precise positioning of sliders and pull tabs of different sizes while improving versatility; and the zipper piercing process can be achieved for zippers with no code, straight code and oblique code without replacing any accessories.
[0037] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.
[0038] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0039] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.
[0040] Although the present invention has been specifically shown and described in conjunction with the preferred embodiments, it should be understood by those skilled in the art that various changes may be made to the present invention in form and details without departing from the spirit and scope of the present invention as defined by the appended claims, all of which are within the scope of protection of the present invention.
Claims
1. A chain link head die, characterized in that: It includes a support, a mold assembly and a hook needle assembly arranged on the support, the mold assembly includes a first lower mold, a second lower mold, a hook cylinder, a mold closing cylinder, a forked cylinder, a first hook, a second hook, an adjustment plate, a first slider, a second slider, a spring, a spring seat, a first cylinder connection, a second cylinder connection, a third cylinder connection, a guide rail mechanism, a lower mold base, a sliding seat and a forked rod, the lower mold base is arranged at the lower part of the support, and the lower mold base has a first slide groove and a second slide groove distributed in the vertical direction, the first slider is arranged in the first slide groove, the second slider is arranged in the second slide groove, the spring seat is arranged at the lower end of the second slide groove, and the spring is arranged between the second slider and the spring seat. The hook cylinder is arranged on the support, the hook cylinder is connected to the first slider through the first cylinder connection, the lower end of the second hook is hinged to the first slider through the first round pin, the middle part of the second hook is hinged to the second slider through the second round pin, the upper end of the second hook is connected to the lower end of the first hook through an adjustment plate, the first lower mold and the guide rail mechanism are arranged on the upper part of the support, the sliding seat is arranged on the guide rail mechanism, the mold closing cylinder is connected to the sliding seat through the second cylinder connection, the second lower mold and the fork cylinder are arranged on the sliding seat, the second lower mold has a third slide groove, the fork cylinder is connected to the fork rod through the third cylinder connection, and the fork rod slides along the third slide groove.
2. The chain assembly head inserting mold according to claim 1, characterized in that: A strip groove is provided at the lower end of the first hook.
3. The chain assembly head inserting mold according to claim 1, characterized in that: The piston rod of the mold clamping cylinder is provided with an adjusting nut for adjusting the cylinder stroke.
4. The chain assembly threading mold according to any one of claims 1 to 3, characterized in that: The hook needle assembly includes a hook needle cylinder, a hook needle, a tension spring, a hook needle swing plate and a proximity switch. The hook needle swing plate is hinged to the support through a third round pin, the hook needle is arranged on the hook needle swing plate, the hook needle cylinder is connected to the hook needle swing plate, the tension spring connects the hook needle and the support, and the proximity switch is arranged on the side of the hook needle swing plate to detect the amplitude of the counterclockwise swing of the hook needle.
5. The chain assembly threading mold according to claim 4, characterized in that: The support is provided with a pressing plate for limiting the rotation of the hook needle.
6. The chain assembly threading mold according to claim 4, characterized in that: The hook swing plate is provided with screws, and the free ends of the screws are distributed around the proximity switch.