Injection molding magic hook insert and mold structure

Abstract

The utility model relates to the field of magic hook injection molding equipment, in particular to an injection molding magic hook insert which comprises a first locking block, a second locking block, N magic hook mold plates and N + 1 fixing plates, the magic hook model plates and the fixing plates are arranged at intervals in an abutting connection mode, the fixing plates clamp the magic hook model plate in the middle, and the first locking block and the second locking block fix an assembly of the magic hook model plates and the fixing plates by clamping the fixing plates at the two ends; a plurality of spaced hook-shaped grooves are formed in one end part of the magic hook mold plate; an exhaust groove communicated with the end surface is formed in the plate surface of the magic hook model plate; a vent groove communicated with the hook-shaped groove and the exhaust groove is further formed in the magic hook mold plate; the hook-and-loop model plate and the fixing plate are prevented from being melted by the unformed hook-and-loop, and the melting point of the hook-and-loop model plate and the fixing plate is far higher than that of injection molding. The hook-and-loop fastener is simple in process, low in manufacturing cost, convenient to clean, high in percent of pass and beneficial to economic development.

Description

TECHNICAL FIELD

[0001] The utility model relates to magic hook injection molding equipment field especially injection molding magic hook insert and mould structure. BACKGROUND

[0002] With the improvement of people's living standards, the pursuit of material is also increasing. Magic paste structure is simple, low cost, convenient to use, so it is widely used in clothing, shoes, hats, gloves, bags, sofas, ships, seat cushions, aviation supplies, raincoats, curtains, toys, sleeping bags, sports equipment, audio equipment, medical equipment, tents, small wheeled vehicle sheath, various military products, electronic wires, chargers, display appliances, etc. Magic paste includes flexible surface and thorn surface, wherein the magic hook of the thorn surface needs to be injection molded.

[0003] However, the existing magic hook forming injection molding insert structure is complex, and the exhaust is poor during the injection molding process due to the structural limitation, which leads to incomplete magic hook forming and a large number of defective products, and the magic hook often breaks. At the same time, the magic hook insert is integrated based on high-precision machining equipment and high-precision diffusion welding process, and the process is complex, the manufacturing cost is high, if the foregoing welding process is not used, the quality of the injection molded magic hook cannot be guaranteed, the waste rate is high, which is not conducive to economic development, and the magic hook insert is difficult to clean.

[0004] Therefore, it is necessary to provide an injection molding magic hook insert and mold structure to solve the above technical problems. SUMMARY

[0005] In order to overcome the problems of complex manufacturing process, high manufacturing cost, defective structure leading to high waste rate of injection molded magic hook, not conducive to economic development and difficult to clean magic hook insert of the existing magic hook insert, the utility model provides an injection molding magic hook insert and mold structure.

[0006] To solve the above technical problems, the embodiments of the utility model provide the following technical schemes:

[0007] An injection molding magic hook insert, comprising 1 piece of first locking block, 1 piece of second locking block, N pieces of magic hook model plate and N+1 pieces of fixed plate; the magic hook model plate and the fixed plate are connected and arranged by mutual spacing, the fixed plate clamps the magic hook model plate in the middle, the first locking block and the second locking block fix the combination of the magic hook model plate and the fixed plate by clamping the fixed plate at both ends; one end of the magic hook model plate is provided with a plurality of spaced hook grooves; the magic hook model plate is provided with an exhaust groove communicated with the end face; the magic hook model plate is further provided with an air passage groove communicated with the hook groove and the exhaust groove; the magic hook model plate and the fixed plate are high melting point metal materials with a melting point much higher than the injection molding melting point, which can avoid melting the magic hook model plate and the fixed plate before the magic hook is formed.

[0008] As a further scheme of the utility model: the corresponding positions of the thickness direction of the first locking block, the second locking block, the magic hook model plate and the fixed plate are provided with fixing holes, the first locking block and the second locking block fix the combination of the magic hook model plate and the fixed plate by clamping the fixed plate at both ends through bolts.

[0009] As a further scheme of the utility model: the material of the magic hook model plate and the fixed plate is stainless steel.

[0010] As a further scheme of the utility model: the corresponding positions of the thickness direction of the first locking block, the second locking block, the magic hook model plate and the fixed plate are provided with positioning pin holes.

[0011] As a further scheme of the utility model: the exhaust groove is double letter T type in close contact and communication.

[0012] As a further scheme of the utility model: the magic hook model plate and the fixed plate are both convex, are respectively provided with model plate boss and fixed plate boss, and the outer side of the first locking block and the second locking block is respectively provided with the first locking block boss and the second locking block boss.

[0013] A mold structure corresponds to the injection molding magic hook insert of any of the above.

[0014] As a further scheme of the utility model: the mold structure includes a mold main body and a support, and the mold main body and the support are detachably connected; the mold structure is provided with at least one insert mounting hole.

[0015] As a further scheme of the utility model: the support is provided with a plurality of columns of forward buckles and a plurality of columns of reverse buckles corresponding to the position of the injection molding magic hook insert, and each adjacent column of the forward buckles is spaced apart by the column of the reverse buckles.

[0016] As a further scheme of the utility model: the mold main body is provided with a heat flow channel hole in the center thickness direction; the heat flow channel hole is provided with a waterway hole and a plurality of mounting holes for mounting the injection molding magic hook insert around the heat flow channel hole.

[0017] The injection molding magic hook insert and the mold structure have the beneficial effects that:

[0018] Because the magic hook model plate and the fixed plate are provided with the parallel structure, the exhaust groove in communication with the hook groove is arranged on the magic hook model plate, and the problem of injection molding exhaust difficulty is solved. The process is simple, the manufacturing cost is low, the cleaning is convenient, the magic hook qualified rate is high, and it is conducive to economic development. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is a stereogram of the injection molding magic hook inlay structure of the utility model;

[0020] Figure 2 is the utility model Figure 1 A enlarged view;

[0021] Figure 3 is the utility model Figure 2 B enlarged view;

[0022] Figure 4 is the utility model fixed plate main view;

[0023] Figure 5 is the utility model magic hook model plate main view;

[0024] Figure 6 is the utility model Figure 5 C enlarged view;

[0025] Figure 7 is the utility model injection molding magic hook inlay assembly drawing;

[0026] Figure 8 is the utility model mold structure exploded view;

[0027] Figure 9 is the utility model Figure 8 D enlarged view.

[0028] In the drawing: 100-injection molding magic hook inlay, 110-first locking block, 111-first locking block fixed hole, 112-first locking block positioning pin hole, 113-first locking block boss, 120-second locking block, 130-magic hook model plate, 131-model plate main body, 132-model plate boss, 133-model plate fixed hole, 134-model plate positioning pin hole, 135-exhaust groove, 136-hook groove, 137-ventilation groove, 140-fixed plate, 141-fixed plate main body, 142-fixed plate boss, 143-fixed plate fixed hole, 144-fixed plate positioning pin hole, 200-mold structure, 210-mold main body, 211-inlay mounting hole, 212-mounting hole, 213-heat flow passage hole, 214-waterway hole, 220-supporting piece, 221-positive buckle, 222-negative buckle. DETAILED DESCRIPTION

[0029] In order to make the utility model's purpose, technical scheme and advantage more clearly and clearly, the following is combined with the drawing and example, and the injection molding magic hook inlay and mold structure of the utility model are further detailedly explained.It should be understood that the specific example described here is only used to explain the utility model, and is not used to limit the utility model.

[0030] In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more than two;The orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second", "third" and the like are only for the purpose of description and cannot be understood as indicating or implying relative importance.

[0031] In the description of the utility model, it is necessary to point out that, unless otherwise specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, can also be detachably connected, or integrally connected;It can be mechanically connected, or electrically connected;It can be directly connected, or indirectly connected through an intermediate medium, or it can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0032] As Figures 1 to 6As shown, an injection molding magic hook insert 100 includes one piece of first locking block 110, one piece of second locking block 120, N pieces of magic hook model plate 130 and N+1 pieces of fixed plate 140; the magic hook model plate 130 and the fixed plate 140 are arranged in parallel and are connected by holding each other, the fixed plate 140 clamps the magic hook model plate 130 in the middle, the first locking block 110 and the second locking block 120 fix the combination of the magic hook model plate 130 and the fixed plate 140 by clamping the fixed plate 140 at both ends; the first locking block 110 and the second locking block 120 are arranged in axial symmetry; one end of the magic hook model plate 130 is provided with a plurality of spaced hook grooves 136; the magic hook model plate 130 is provided with an exhaust groove 135 communicated with the end face, the exhaust groove 135 becomes an exhaust hole after the magic hook model plate 130 and the fixed plate 140 are reinforced into a combination; the magic hook model plate 130 is also provided with an air passage 137 communicated with the hook groove 136 and the exhaust groove 135; to avoid the melting of the magic hook that has not yet formed from melting the magic hook model plate 130 and the fixed plate 140, the magic hook model plate 130 and the fixed plate 140 are high melting point metal materials with melting points much higher than the melting point of injection molding, such as copper, gold, iron and other metals. When used, a layer of lubricating oil is coated on the magic hook model plate 130 and the fixed plate 140, and the injection molding effect is better. Preferably, the material of the magic hook model plate 130 and the fixed plate 140 is stainless steel, and the thickness is 0.3mm-6.0mm, preferably 0.3mm, 0.4mm and 0.5mm.

[0033] Because the magic hook model plate 130 and the fixed plate 140 with a sheet structure are reinforced into a parallel holding combination, and the exhaust groove 135 communicated with the hook groove 136 is arranged on the magic hook model plate 130, the problem of injection molding exhaust difficulty is solved. The process is simple, the manufacturing cost is low, the disassembly is simple, the cleaning is convenient, the problem of magic hook breakage in the injection molding process is solved, the injection molding qualified rate of magic hook is greatly improved, which is conducive to economic development.

[0034] As Figures 1 to 6As shown, as a further embodiment of this utility model: the first locking block 110, the second locking block 120, the magic hook model plate 130, and the fixing plate 140 are all provided with fixing holes at corresponding positions in the thickness direction; the first locking block 110 is provided with at least one first locking block fixing hole 111, and the second locking block 120 is provided with a second locking block fixing hole (not shown in the figure) that is symmetrically arranged with the first locking block fixing hole 111; the magic hook model plate 130 and the fixing plate 140 are respectively provided with model plate fixing holes 133 and fixing plate fixing holes 143 corresponding to the positions of the first locking block fixing holes 111; the first locking block 110 and the second locking block 120 are fixed with bolts by the fixing plate 140 clamping both ends to the assembly of the magic hook model plate 130 and the fixing plate 140.

[0035] In addition, existing magic hook inserts are large in size and expensive; due to their large size, cooling water channel space is sacrificed, resulting in a longer production cycle. Compared with the traditional complex welding process, the injection-molded magic hook insert 100 has a simple structure, small size, low cost, and short order response cycle.

[0036] like Figures 1 to 6 As shown, as a further embodiment of this utility model: the first locking block 110, the second locking block 120, the magic hook model plate 130, and the fixing plate 140 are all provided with positioning pin holes at corresponding positions in the thickness direction. The first locking block 110 is provided with at least one first locking block positioning pin hole 112, and the second locking block 120 is provided with a second locking block positioning pin hole (not shown in the figure) symmetrically arranged with respect to the first locking block positioning pin hole 112; the magic hook model plate 130 and the fixing plate 140 are respectively provided with model plate positioning pin holes 134 and fixing plate positioning pin holes 144 corresponding to the positions of the first locking block positioning pin holes 112.

[0037] like Figures 1 to 6 As shown, as a further embodiment of this utility model, the exhaust groove 135 is a double-letter T-shaped structure that is adjacent to each other and connected.

[0038] Preferably, the depth of the venting groove 137 is shallower than the depth of the exhaust groove 135 and the hook-shaped groove 136.

[0039] like Figures 1 to 6As shown in the further scheme of the utility model: the magic hook model plate 130 includes a model plate main body 131, the fixed plate 140 includes a fixed plate main body 141, the magic hook model plate 130 and fixed plate 140 are all convex characters, and are respectively provided with model plate boss 132 and fixed plate boss 142;The first locking block 110 and the second locking block 120 outside are respectively provided with first locking block boss 113 and second locking block boss (not shown in the drawing), and the first locking block boss 113 and the second locking block boss are arranged in axial symmetry structure.Set the model plate boss 132, fixed plate boss 142, first locking block boss 113 and second locking block boss purpose is to limit the height of injection magic hook insert 100 when injection molding.

[0040] As shown in the further scheme of the utility model: Figures 7 to 9 The mold structure 200 corresponds to any of the injection magic hook inserts 100 described above.

[0041] When using, the injection magic hook insert 100 is loaded into the mold structure 200.The first locking block 110 and the second locking block 120 are fixed to the magic hook model plate 130 and the fixed plate 140, and also serve as wedges in the mold structure 200, firmly fixing the injection magic hook insert 100.

[0042] As shown in the further scheme of the utility model: Figures 7 to 9 The mold structure 200 includes a mold main body 210 and a support 220, and the mold main body 210 is detachably connected to the support 220.The detachable support 220 is provided to facilitate the disassembly and replacement of the injection magic hook insert 100, which is low in cost, compact in space, and convenient for increasing the cooling waterway, thereby shortening the production cycle and improving the production efficiency.The mold structure 200 is provided with at least one insert mounting hole 211.When the insert mounting hole 211 is multiple, they are spaced apart from each other, facilitating the installation and disassembly of the injection magic hook insert 100.

[0043] As shown in the further scheme of the utility model: Figures 7 to 9 The support 220 is provided with a plurality of columns of forward buckles 221 and a plurality of columns of reverse buckles 222 corresponding to the position of the injection magic hook insert 100, and each adjacent column of forward buckles 221 is spaced apart by a column of reverse buckles 222.

[0044] A plurality of columns of forward buckles 221 and reverse buckles 222 are provided to lock and fasten the injection magic hook insert 100 during installation, which is more secure and convenient for injection molding.

[0045] As shown in the further scheme of the utility model: Figures 7 to 9As shown, as further scheme of the utility model: the mold main part 210 center thickness direction is provided with hot flow passage hole 213, hot flow passage hole 213 around is provided with waterway hole 214 and several installation injection molding magic hook insert part 100's mounting hole 212.

[0046] Setting hot flow passage hole 213 and waterway hole 214 are favorable for prolonging the working time of mold structure 200, improve production efficiency.

[0047] The above utility model is only the preferred embodiment of the utility model, and does not limit the utility model in any form, although the utility model has disclosed as above with the preferred embodiment, however, is not used to limit the utility model, any person skilled in the art, without departing from the technical scheme range of the utility model, when can utilize the technical content disclosed above make a little more change or modification for equivalent embodiment of equivalent change, but whatever is not departing from the technical scheme content of the utility model, according to the technical essence of the utility model to the above embodiment of any simple modification, equivalent change and modification, still belong to the range of the technical scheme of the utility model.

Claims

1. A type of injection-molded magic hook insert (100), characterized in that: It includes one first locking block (110), one second locking block (120), N magic hook model plates (130), and N+1 fixing plates (140); the magic hook model plates (130) and the fixing plates (140) are arranged in abutting connection with each other at intervals, the fixing plates (140) clamp the middle magic hook model plate (130), and the first locking block (110) and the second locking block (120) fix the assembly of the magic hook model plate (130) and the fixing plates (140) by clamping the fixing plates (140) at both ends; the magic hook model plate (130) is a type of magic hook model plate (130) and the fixing plates (140). The hook model plate (130) has several spaced hook-shaped grooves (136) at one end; the surface of the magic hook model plate (130) is provided with an exhaust groove (135) that communicates with the end face; the magic hook model plate (130) is also provided with a ventilation groove (137) that connects the hook-shaped groove (136) and the exhaust groove (135); to prevent the magic hook that has not yet been formed from melting, the magic hook model plate (130) and the fixing plate (140) are melted. The magic hook model plate (130) and the fixing plate (140) are made of high melting point metal material with a melting point much greater than that of injection molding.

2. The injection-molded magic hook insert (100) according to claim 1, characterized in that: The first locking block (110), the second locking block (120), the magic hook model plate (130), and the fixing plate (140) are all provided with fixing holes at corresponding positions in the thickness direction. The first locking block (110) and the second locking block (120) are fixed with bolts by the fixing plate (140) clamping both ends of the magic hook model plate (130) and the fixing plate (140) assembly.

3. The injection-molded magic hook insert (100) according to claim 2, characterized in that: The magic hook model plate (130) and the fixing plate (140) are made of stainless steel.

4. The injection-molded magic hook insert (100) according to claim 3, characterized in that: Positioning pin holes are provided at corresponding positions in the thickness direction of the first locking block (110), the second locking block (120), the magic hook model plate (130), and the fixing plate (140).

5. The injection-molded magic hook insert (100) according to claim 4, characterized in that: The exhaust vent (135) is a double-letter T-shaped structure that is connected side by side.

6. The injection-molded magic hook insert (100) according to claim 5, characterized in that: The magic hook model plate (130) and the fixing plate (140) are both convex, and are respectively provided with a model plate boss (132) and a fixing plate boss (142); the first locking block (110) and the second locking block (120) are respectively provided with a first locking block boss (113) and a second locking block boss on their outer sides.

7. A mold structure (200), characterized in that, Corresponding to the injection-molded magic hook insert (100) as described in any one of claims 1-6.

8. The mold structure (200) according to claim 7, characterized in that: The mold structure (200) includes a mold body (210) and a support member (220), and the mold body (210) and the support member (220) are detachably connected; the mold structure (200) is provided with at least one insert mounting hole (211).

9. The mold structure (200) according to claim 8, characterized in that: The support member (220) is provided with a number of columns of forward buckles (221) and a number of columns of reverse buckles (222) corresponding to the position of the injection-molded magic hook insert (100). Each column of adjacent forward buckles (221) is separated by a column of reverse buckles (222).

10. The mold structure (200) according to claim 8 or 9, characterized in that: The mold body (210) has a hot flow channel hole (213) in the center thickness direction; the hot flow channel hole (213) is surrounded by a water channel hole (214) and a number of mounting holes (212) for mounting the injection molding magic hook insert (100).

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