CN1970270B - Hook and Loop Manufacturing Method - Google Patents

Abstract

A method for manufacturing a hook and loop fastener is provided with an upper module and a lower module. A groove is provided on the plate body of the upper module, a slide rail is provided in the groove, an extrusion block and a plurality of sliding templates are inserted on the slide rail, an upper mold cavity is provided on the bottom surface of the sliding template; and a lower mold cavity is provided on the top surface of the lower module. When the upper module and the lower module are close together, the sliding templates can be closely close together to form a groove shape with the same blunt-headed hook-shaped body. When the upper and lower modules are molded together, the upper mold cavity of the upper module and the lower mold cavity of the lower module jointly form an injection space to inject elastic material plastic into the upper mold cavity and the lower mold cavity, so as to form a hook and loop fastener plate body with a column and a cone.

Description

Hook and Loop Manufacturing Method

technical field

The invention relates to a method for manufacturing a hook and loop fastener, especially a method for integrally forming a hook and loop fastener with a planar plate body, and a plurality of elastic hook-shaped bodies with protruding hooking effects are combined on the plate body, so that the hook and loop fastener When the belt is used, the noise generated when the hook and loop is torn off can be reduced, and the service life of the hook and loop is increased, and its texture and aesthetic effect are improved.

Background technique

Press, the commonly used Velcro structure includes a male buckle and a female buckle; the surface of the male buckle is evenly distributed with a number of raised felt surfaces with a hook-shaped tail; the surface of the female buckle is evenly distributed with The coiled silk thread forms a fluffy surface, and the felt surface and the fluffy surface of the male and female buckle belts are bonded to each other, so that the hook-shaped body is hooked on the coiled silk thread and fixed. Although the above-mentioned common hook and loop structure can fix the joints that need to be glued to each other, it will make a lot of noise when it is torn off, and the felt surface of the hook-shaped body of the male buckle will form a thorny surface. Its thorn-shaped hook body is easy to scratch the fabric, or hook up the thread ends of the knitted fabric to cause damage. After the hook and loop tape has been used for a period of time, it is easy to break the silk thread on the pile surface due to gravity pulling, or other miscellaneous thread felt sticks to the public. It is still not ideal to reduce the adhesive force on the felt surface of the buckle.

Contents of the invention

The main purpose of the present invention is to provide a method for manufacturing a hook and loop fastener, which uses a special manufacturing mold to make the hook and loop fastener integrally formed on a single plate with a plurality of elastic hooks to form a new type of hook and loop fastener structure.

Another object of the present invention is to provide a method for manufacturing a hook and loop fastener. The structure of the hook and loop fastener is not sewn with a felt surface or a pile surface, so that the hook and loop fastener will not make noise when it is torn off, and becomes a kind of Quiet hook and loop.

Another object of the present invention is to provide a method for manufacturing a hook and loop fastener, which can produce a new type of hook and loop fastener with a soft hook, which will not damage the surface of the clothing fabric, and is not easy to stick foreign matter to the hook and loop fastener. surface, to achieve the advantage of being clean on the Velcro.

Another object of the present invention is to provide a method for manufacturing a hook and loop fastener, which can make the hook and loop bonding effect durable and less likely to have the disadvantage of attenuation of the bonding effect.

For reaching above-mentioned purpose, the present invention is provided with an upper module and lower module, it is characterized in that:

There is a groove on the upper module plate, and a slide rail that runs through the groove horizontally. An extrusion block and a plurality of sliding templates are inserted on the slide rail, and an upper mold cavity is arranged on the bottom surface of the sliding template. , and a slope is provided on the side of the extrusion block;

The lower module is provided with a lower mold cavity on the top surface, and the lower mold cavity has the same groove shape as the hook and loop board body, a stopper is provided on one side of the lower module, and a slope is provided on the side of the stopper;

When the upper module is close to the lower module, the side slope of the extrusion block of the upper module is matched with the side slope of the stopper of the lower module, so that the sliding templates are closely connected together, and the upper mold cavity on each sliding template can be And synthesize the same groove shape as the blunt-shaped hook on the surface of the hook and loop. When the upper and lower modules are closed, an injection space is formed in the upper mold cavity of the upper module and the lower mold cavity of the lower module. To inject elastic material plastic into the upper mold cavity and the lower mold cavity when the upper and lower modules are closed.

The hook and loop buckle can be composed of a pair of male and female buckles that are integrally formed and correspond to each other, or can be combined with a male buckle and a traditional pile surface component. The made hook and loop tape does not damage clothes, and no noisy sound is produced when the stick and buckle tape is torn off.

Other characteristics and specific embodiments of the present invention can be further understood in the following detailed description with accompanying drawings.

Description of drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is a three-dimensional appearance view of the present invention after bonding.

Fig. 3 is a cross-sectional view of the present invention after bonding.

Fig. 4 is a schematic diagram of the setting method of the hook-shaped body of the present invention.

Fig. 5 is a three-dimensional appearance view of the manufacturing mold of the present invention.

Fig. 6 is a cross-sectional view of the clamping state of the manufacturing mold of the present invention.

Fig. 7 is a cross-sectional view of the partial structure of the mold cavity of the manufacturing mold of the present invention.

Fig. 8 is a schematic diagram of another embodiment of the present invention for setting the hook-shaped body.

Fig. 9 is a schematic diagram of the shapes of different hook-like bodies of the hook and loop fastener according to the present invention.

Fig. 10 is a cross-sectional view of the hook-shaped body of the present invention.

Fig. 11 is a sectional view of a hook-shaped body according to another embodiment of the present invention.

Fig. 12 is a cross-sectional view of a hook-shaped body according to yet another embodiment of the present invention.

Fig. 13 is a schematic diagram of a series of hook-shaped head ends of the present invention.

Fig. 14 is a schematic diagram of a series of triangular head ends of the hook-shaped body of the present invention.

Fig. 15 is a series of schematic diagrams of the circular head end of the hook-shaped body of the present invention.

Fig. 16 is a schematic diagram of a series of rectangular head ends of the hook-shaped body of the present invention.

Fig. 17 is an exploded schematic diagram of a male buckle and a traditional felt surface structure of the present invention.

Fig. 18 is a schematic diagram of a male buckle of the present invention combined with a traditional pile surface component.

Fig. 19 is an appearance view of a hook-shaped body according to another embodiment of the present invention.

Fig. 20 is a side view of the hook-shaped body according to another embodiment of the present invention.

Fig. 21 is a top view of a hook-shaped body according to another embodiment of the present invention.

Detailed ways

Please refer to Figures 1 to 3, the hook and loop fastener manufactured by the present invention is mainly made of elastic material, and is composed of a male buckle 10 and a female buckle 20 that are integrally formed and correspond to each other. The structure 10 is that a plurality of cylinders 12 are uniformly arranged on the plane of a plate 11 , and a cone 13 with a larger diameter is arranged on the end surface of the cylinders 12 to form a hook-shaped body 14 .

The female buckle 20 is configured to be the same as the male buckle 10, so that the female buckle 20 and the male buckle 10 face each other when combined, so that the hooks 14 of the male buckle 10 are staggered in the female. Between the hook-shaped body 24 of the buckle 20, the female buckle 20 is provided with evenly distributed cylinders 22 on the surface of the plate body 21, and the end surface of the cylinder 22 is provided with a cone 23 with a larger diameter and a blunt head shape. , making it a hook-shaped body 24.

And in the embodiment of this figure, its cylinder 12 is made as a circle, and the cone 13 is made as a conical shape, and the top of the cone is slightly inclined plane pointed, as shown in Figure 3, and if the design is changed so that the top of the cone 13 is umbrella Shape, as Fig. 10, make umbrella-shaped portion diameter greater than cylinder 12 diameters, can become a hook likewise.

Please refer to Fig. 3 and Fig. 4, the space between the cylinders 12a, 12b, and 12c provided on the male buckle 10 must be larger than the diameter of the cone 23, so as to accommodate the cone 23 on the female buckle 20 when mating. Inserting, relatively, the columns 22a, 22b, and 22c provided on the female buckle 20 are spaced apart from each other, and can relatively accommodate the insertion of the cone 13 on the male buckle 10 when the male buckle 10 is engaged. When the cone 13 is forced to squeeze When pressing and hooking into the corresponding end cone 23, the two elastic deformations are formed on the cones 13, 23, and a hooking and positioning effect is maintained after hooking in.

Please refer to Fig. 3, and the height X between the bottom end of the hook-shaped body 14 on the male button body 10 of the present invention and the plate body 11 must be greater than or equal to the thickness Y of the cone 23 on the corresponding side hook-shaped body 24, so when When the male buckle 10 and the female buckle 20 are fastened together, the cones 13, 23 on each other's plates can be accommodated in the spaces 15, 25. In this way, the male and female buckle belts 10, 20 can be hooked and bonded to each other, and the hook-shaped bodies 14, 24 on the surfaces of the two can be buckled together.

Please refer to Fig. 5～shown in Fig. 7, for the production of hook and loop fastener mold equipment of the present invention, be provided with an upper module 30 and lower module 40, a groove 31 is set on the board body of the upper module 30, and a groove 31 is set in the groove 31. A horizontally penetrating slide rail 32, an extrusion block 33 and a plurality of sliding templates 34 are inserted on the slide rail 32, and the bottom surface of the extrusion block 33 and the sliding template 34 is provided with hooks on the surface of the hook and loop. 14, 24 have the same groove-shaped upper mold cavity 35, and an inclined surface 36 is provided on the side of the extrusion block 33.

The lower module 40 is provided with a lower mold cavity 41 with the same groove shape as the hook and loop board body 11, 12 on the top surface, and a stopper 42 is screwed on one side of the lower module, and a slope 43 is provided on the side of the stopper 42 , the inclined surface 43 and the inclined surface 36 can be matched correspondingly, so when the upper module 30 and the lower module 40 are close together, the extrusion block 33 will be pushed horizontally, and the sliding templates 34 will be closely connected together, and each sliding template Upper die cavity 35 on the 34 just can and synthesize blunt shape hook shape body 14, identical groove shape, refer to Fig. 2. Wherein the blunt hook-shaped body 14 includes a cylinder 12 and a cone 13 with a larger diameter is arranged on the end surface of the cylinder, see FIG. 2 .

When the upper and lower modules are clamped, an injection space is formed in the upper mold cavity 35 of the upper module 30 and the lower mold cavity 41 of the lower module 40, and the stopper 42 of the lower module 40 is embedded in the upper module 30. Extrude the side edge of the block 33 so that the slope 43 of the block 42 fits with the slope 36 of the extrusion block 33, as shown in FIG. Fitting into the slot 44 to keep the central axis positioned. Thereby, the extruding block 33 can squeeze a plurality of sliding templates 34 close together, making it difficult to produce burrs when injecting the material; The extruding block 33 of the module 30 does not fit on the inclined plane, so that the extruding block 33 of the upper module 30 and the plurality of sliding templates 34 form a loose state, and then the finished product is easy to tear off the upper mold cavity 35 and then taken out.

Please refer to Fig. 4 and Fig. 8, which are the layout and arrangement of the hooks 14, 24 on the male buckle 10 and the female buckle 20 of the present invention. Three hooks 14 correspond to one hook 24. They are arranged in a manner of interlacing and evenly distributed, as shown in FIG. 4 , or 4 hook-shaped bodies 14 corresponding to one hook-shaped body 24 are arranged in a manner of interlacing and evenly distributed, as shown in FIG. 8 . According to this principle, of course, it is also possible to change the design such that 6 hook-shaped bodies 14 correspond to 1 hook-shaped body 24, or 8 hook-shaped bodies 14 correspond to 1 hook-shaped body 24. The effect of combining the male buckle and the female buckle.

Please refer to Figure 9. The male and female buckles in the shape of hook and loop in diagram a. are designed to have the same structure. The figure shows that the structure of the male buckle can be evenly arranged with multiple columns on the plane of a board. Body 12, a triangular cone 16 with a larger diameter is arranged on the end face of the cylinder 12, making it a hook-shaped body. The triangular cones of the male buckle and the female buckle can be combined with each other. The shape of the hook and loop in the diagram b. can make the cylinder 12 be set as a quadrangular cone 17 . The shape of the hook and loop in Figure c. can make the cylinder 12 be set as a hexagonal cone 18 . The shape of the hook and loop in Figure d. can make the irregular cylinder 12a be set as an irregular cone 19a. The shape of the hook and loop in Figure e. can make the cylinder 12b be set as an irregular cone 19b. The hook-shaped body of the male buckle and the hook-shaped body of the female buckle designed in the diagram f. are not the same structural design, wherein the male buckle 10 is provided with an irregular column 12c, and the three columns 12c are spaced The space provided can accommodate the irregular taper 19c on the female buckle 20 to be inserted and fastened.

Please refer to Fig. 10, the present invention is provided with the hooks 14, 24 on the male buckle 10 and the female buckle 20, the structure of the hook 14 is taken as an example, and the top of the cylinder 12 is set to have a slanted periphery. The umbrella surface 50 on the edge, the interface between the top of the cylinder 12 and the bottom of the cone 13 can be set at a right angle 51, and now when the hooks 14, 24 are hooked together, the cohesive force is moderate. Please refer to FIG. 11 , when the interface between the top of the cylinder 12 and the bottom of the cone 13 is set to form an acute angle 52, the bonding force is the strongest when the hook-shaped bodies 14 and 24 of the two are connected with each other. Please refer to Fig. 12 again, when the interface between the top of the cylinder 12 and the bottom of the cone 13 is set at an obtuse angle 53, the bonding force is the weakest when the two hook-like bodies 14, 24 are connected with each other. It can be designed and matched according to the occasion where the hook and loop fastener is intended to be used.

The hook-shaped body 14 or 24 designed by the present invention is characterized in that a blunt head is provided on the cylinder, and this blunt head can be designed as a series of square head ends a to e, as shown in FIG. 13 . The blunt head can also be designed as triangular head end series a~c, as shown in Figure 14. The blunt head can also be designed as a round head end series a to d, as shown in Figure 15. The blunt head can also be designed as rectangular head end series a to e, as shown in Figure 16.

Please refer to Fig. 17 and shown in Fig. 18, and the size of the hook-shaped body 14 is not limited in the present invention, but if the hook-shaped body 14 is made to be very small and evenly distributed, it can also be made as in this invention. The male buckle in the invention is hooked with a traditional pile surface component 54, so that the hook-shaped body 14 can be hooked to the silk thread 55 when combined, and becomes a new type of hook and loop structure.

Please refer to Figures 19 to 21, another embodiment of the present invention is that the umbrella surface 56 of the hook-shaped body 14, 24 is made into a non-circular shape, and there are multiple gaps 57 around the umbrella surface 56, and the umbrella surface The periphery of the surface is an arc surface, so that the cylinder 58 is connected to the lower end of the umbrella surface 56 . Overall, after the male buckle and the female buckle are hooked together by the hooks 14, 24, the transverse adhesive force has high tensile strength, and the longitudinal adhesive force can be easily torn apart.

To sum up, the hook and loop fastener provided by the present invention has a structure in which the integrally formed elastic hooks are fastened to each other, so that no noise will be made when it is torn apart, or it can be made of a single male with a hook. The buckle and the fleece surface components are combined to form a hook and loop fastener, which greatly reduces the noise when it is torn off, and does not damage the surface of the combination such as clothing fabrics. It has the effect of improving texture and appearance, and has industrial application value.

But the above is only a preferred embodiment of the present invention, and should not limit the scope of the present invention; All should still belong to the scope that the patent of the present invention covers.

Claims (4)

1. a process for manufacturing linking tape is provided with a upper module and a lower module, it is characterized in that:

Establish a groove cave on the upper module plate body, in the groove cave, establish a slide rail that laterally runs through, on this slide rail, be inserted in a crushing block and a plurality of sleiding form, and be provided with upper mould cave, and be provided with the inclined-plane in the crushing block side in the bottom surface of sleiding form;

Lower module is provided with down die cavity in end face, and this time die cavity has the flute profile identical with the linking tape plate body, is provided with a block in a side of lower module, is provided with the inclined-plane in the side of this block;

When upper module and lower module closing, make the inclined-plane, crushing block side of upper module agree with mutually with the inclined-plane, block side of lower module, closely closing is together to make each sleiding form, upper mould cave on each sleiding form just can and synthesize the flute profile identical with the blunt nose hook on linking tape surface, when upper and lower module matched moulds, in the common material feeding space that forms of the following die cavity of the upper mould cave of this upper module and lower module, to inject the elastic material plastics when the upper and lower module matched moulds in upper mould cave and die cavity down.

2. a kind of process for manufacturing linking tape as claimed in claim 1, it is characterized in that: the blunt nose hook of the linking tape that upper mould cave is shaped, include cylinder and be provided with the bigger cone of diameter in the end face of this cylinder, this cylinder is by the height of bottom plate body to cone, greater than the thickness of cone.

3. a kind of process for manufacturing linking tape as claimed in claim 1, it is characterized in that: upper mould cave injects the blunt nose hook of the linking tape of elastic material plastics forming, include cylinder and be provided with the bigger cone of diameter in the end face of this cylinder, this cylinder equals the thickness of cone by the height of bottom plate body to cone.

4. a kind of process for manufacturing linking tape as claimed in claim 1, it is characterized in that: upper mould cave injects the blunt nose hook of the linking tape of elastic material plastics forming, include cylinder and be provided with the bigger cone of diameter in the end face of this cylinder, the cylinder clearance space that is provided with on this linking tape, must be greater than cone diameter, and each cone clearance space needs less than cone diameter, keeps a location effect in colluding into the back.

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