Bending wire corner sr wire buckle injection mold

Abstract

A kind of bending wire corner SR line buckle injection mould, including upper die and lower die, upper die and lower die mould form forming cavity, lower die includes support seat and lower die plate, support seat is equipped with installation groove, lower die plate is clamped in installation groove;Two wiring grooves of horizontal wiring groove and vertical wiring groove arranged vertically are arranged on lower die plate and are communicated at forming cavity;Lower die plate is equipped with sliding slot, one end of sliding slot is communicated with vertical wiring groove, one end of sliding slot penetrates one side of lower die plate, clamping block is arranged in sliding slot, one end of clamping block is in contact with the inner side wall of installation groove, the other end of clamping block is equipped with first clamping groove, second clamping groove is arranged in vertical wiring groove, first clamping groove and second clamping groove are oppositely arranged and located below forming cavity, for sealing clamping wire.Compared with prior art, the injection mould of the utility model can form SR line buckle at the bending wire corner.

Description

Technical Field

[0001] This utility model relates to SR wire buckle injection molds, specifically to an SR wire buckle injection mold for bending wire corners. Background Technology

[0002] During use, the cable is prone to fatigue damage at the outlet or bend. Therefore, SR wire clips are installed on the cable to reduce fatigue damage during use.

[0003] The injection molding system authorized by CN212920191U for manufacturing headphone cables with SR clips directly injection molds the SR clips onto the cable. Currently, some cables are used at corners, and to protect the cable and for better cable routing, the cable needs to be kept bent; therefore, SR clips are placed at the corners of the cable. The aforementioned injection molding system can only injection mold SR clips onto straight cables, and cannot injection mold clips onto the corners of bent cables. Utility Model Content

[0004] The purpose of this invention is to overcome the shortcomings of the existing technology and provide an injection mold for bending wire corner SR wire buckles.

[0005] To achieve the above objectives, this utility model discloses an injection mold for a bend corner SR wire buckle, comprising an upper mold and a lower mold, wherein the upper mold and the lower mold are closed to form a cavity;

[0006] The lower mold includes a support base and a lower template. The support base is provided with a mounting groove, and the lower template is engaged in the mounting groove.

[0007] The lower template is provided with a horizontal wiring groove and a vertical wiring groove. The horizontal wiring groove is located on the top surface of the lower template. One end of the horizontal wiring groove passes through one side of the lower template, and the other end of the horizontal wiring groove extends to the cavity. One end of the vertical wiring groove is connected to the cavity, and the other end of the vertical wiring groove extends vertically downward.

[0008] The lower template is provided with a sliding groove. One end of the sliding groove is connected to the vertical wiring groove and the other end of the sliding groove passes through one side of the lower template. A wire clamping block is provided in the sliding groove. One end of the wire clamping block abuts against the inner side wall of the mounting groove. The other end of the wire clamping block is provided with a first wire clamping groove. A second wire clamping groove is provided in the vertical wiring groove. The first wire clamping groove and the second wire clamping groove are arranged opposite to each other and located below the cavity for sealing and clamping the wire.

[0009] Furthermore, the mounting groove extends through both sides of the support base along its length.

[0010] Furthermore, the limiting block in the mounting groove extends along the width direction of the mounting groove;

[0011] The lower template is provided with a slot, which is horizontally limited by the limiting block, and the lower template can move vertically up and down along the limiting block.

[0012] Furthermore, the lower template includes a first template and a second template, and the two sides of the first template and the second template that are positioned opposite each other are respectively provided with a first groove and a second groove, and the first groove and the second groove are arranged opposite to each other;

[0013] The first module is provided with the slot, and the second module is provided with the sliding groove and the clamping block;

[0014] The second module is connected to the first module, and the second groove and the first groove form the vertical wiring groove;

[0015] The side of the first mold strip away from the second mold strip and the side of the second mold strip away from the first mold strip respectively abut against the two inner sidewalls of the mounting groove.

[0016] Furthermore, the first module is provided with a positioning pin, and the second module is provided with a pin hole that engages with the positioning line.

[0017] Furthermore, the other end of the vertical wiring groove extends through the bottom of the lower template.

[0018] Furthermore, the support base is provided with a clearance hole, which is arranged opposite to the vertical wiring groove.

[0019] Furthermore, the support base has an opening on its side, which penetrates the top and bottom surfaces of the corresponding side and connects to the mounting groove and the clearance hole.

[0020] Furthermore, a wire-clamping block is provided inside the horizontal wiring groove.

[0021] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0022] The lower template incorporates horizontal and vertical wiring channels. The horizontal channels secure the horizontal sections of the wire, while the vertical channels secure the vertical sections. The cavity is located between these two channels. This dual wiring channel design accommodates the shape of bent wires, and the wire's turning point is precisely positioned within the cavity, allowing for the formation of an SR wire clip at the wire's corner.

[0023] After the upper and lower molds are closed, the cavity is sealed around its perimeter. Since the vertical section of the wire needs to extend downwards into the cavity, the bottom of the cavity also needs to be sealed. This invention uses a first and second wire clamping groove to clamp the vertical section of the wire. On one hand, this fixes the vertical section of the wire, ensuring good stability during the forming process and guaranteeing forming quality. On the other hand, the first and second wire clamping grooves seal and clamp the wire, blocking the vertical wire channel, thus achieving a seal at the bottom of the cavity. Attached Figure Description

[0024] Figure 1 A three-dimensional structural schematic diagram of the injection mold for the corner bend of the bent wire, SR wire buckle, as an example;

[0025] Figure 2 for Figure 1 A three-dimensional exploded view of the injection mold for the SR wire buckle at the corner of the bent wire;

[0026] Figure 3 for Figure 1 The main view of the injection mold for the SR wire buckle at the corner of the bent wire;

[0027] Figure 4 for Figure 3 Sectional view of section AA;

[0028] Figure 5 for Figure 4 A magnified view of a portion of point A in the middle;

[0029] Figure 6 for Figure 2 A three-dimensional structural diagram of the central support base;

[0030] Figure 7 for Figure 2 A three-dimensional exploded view of the first module and the wire-locking block;

[0031] Figure 8 for Figure 7 Schematic diagram of the structure of wire containing SR wire clips;

[0032] Figure 9 for Figure 8 Schematic diagram of the structure of wire containing SR wire clips;

[0033] Figure 10 for Figure 2 A three-dimensional exploded view of the first module strip and the clamping block;

[0034] Upper mold 100; heating nozzle 110; connecting plate 120; upper template 130; third slot 131; fourth slot 132; upper mold strip 140; wire clamping strip 150; fourth wire clamping slot 151;

[0035] Lower mold 200; base plate 210; support block 220; support base 230; mounting groove 231; limiting block 2311; opening 232; lower template 240; first mold strip 241; horizontal wiring groove 2411; second wire clamping groove 2412; first wire groove 2413; positioning pin 2414; second slot 2415; second mold strip 242; sliding groove 2421; first slot 2422; second wire groove 2423; pin hole 2424; vertical wiring groove 250; wire clamping block 260; first wire clamping groove 261; wire clamping block 270; third wire clamping groove 271;

[0036] Cavity 300;

[0037] Cable 400; SR cable clip 410. Detailed Implementation

[0038] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0039] A type of injection mold for bending wire corner SR wire buckle, see [link / reference] Figures 1-10 It includes an upper mold 100 and a lower mold 200. The upper mold 100 and the lower mold 200 are closed to form a cavity 300. Material is injected into the cavity 300 through the hot nozzle 110 in the upper mold 100 for injection molding.

[0040] The lower mold 200 includes a base plate 210, support blocks 220, support base 230, and lower template 240. There are two support blocks 220, which are fixedly connected to the bottom sides of the support base 230. The support base 230 is then fixedly connected to the base plate 210 via the two support blocks 220. The support base 230 is provided with a mounting groove 231, and the lower template 240 is fitted into the mounting groove 231. The lower template 240 is provided with a horizontal wiring groove 2411 and a vertical wiring groove 250. The horizontal wiring groove 2411 is located on the top surface of the lower template 240. One end of the horizontal wiring groove 2411 extends through to one side of the lower template 240, and the other end of the horizontal wiring groove 2411 extends to the cavity 300. One end of the vertical wiring groove 250 is connected to the cavity 300, and the other end of the vertical wiring groove 250 extends vertically downward. Preferably, the bottom of the vertical wiring groove 250 penetrates the bottom surface of the support base 230. In this way, for some wires 400 with longer vertical sections, the vertical wiring groove 250 has enough space to accommodate the vertical section of the wire 400. More preferably, the support base 230 is provided with a clearance hole, which is opposite to the vertical wiring groove 250. By further providing the clearance hole, the wire can extend downward out of the support base 230 and be located in the space between the two support blocks 220 at the bottom of the support base 230. This can accommodate the vertical section of the wire with a longer length.

[0041] The lower template 240 is provided with a sliding groove 2421. One end of the sliding groove 2421 is connected to the vertical wiring groove 250, and the other end of the sliding groove 2421 extends to one side of the lower template 240. A wire clamping block 260 is clamped in the sliding groove 2421. One end of the wire clamping block 260 abuts against the inner side wall of the mounting groove 231. The other end of the wire clamping block 260 is provided with a first wire clamping groove 261. The vertical wiring groove 250 is provided with a second wire clamping groove 2412. The first wire clamping groove 261 and the second wire clamping groove 2412 are arranged opposite to each other and located below the cavity 300. Both are semi-circular to clamp the wire and seal the bottom of the cavity 300 after clamping the wire. When forming the SR wire clip 410, after bending the wire, the horizontal section of the wire is placed on the horizontal wiring groove 2411, and the vertical section of the wire is extended vertically downward into the vertical wiring groove 250. The corner of the wire groove is exactly located in the cavity 300. Then, the wire clamping block 260 is pushed, so that the first wire clamping groove 261 and the second wire clamping groove 2412 together clamp the vertical section of the wire. The cooperation of the first wire clamping groove 261 and the second wire clamping groove 2412 can not only fix the vertical section of the wire, so that the wire has good stability during the forming process and ensures the forming quality, but also seal the wire. The vertical wiring groove 250 is blocked by the first wire clamping groove 261 and the second wire clamping groove 2412, thereby achieving a seal at the bottom of the cavity 300. Then, the lower template 240 is placed in the mounting groove 231. At this time, the wire clamping block 260 is limited by the inner side wall of the mounting groove 231, so as to continuously and stably clamp the vertical section of the wire. Then, the upper mold 100 moves downward to close and form the cavity 300. The hot nozzle 110 of the upper mold 100 injects material into the cavity 300 for injection molding to form the SR wire buckle at the corner of the wire. After molding, the upper mold 100 moves upward, the lower mold plate 240 is removed, and then the wire is taken out.

[0042] In this embodiment, a limiting block 2311 extends within the mounting groove 231 along its width. A first slot 2422 penetrates the top and bottom surfaces of the lower template 240, allowing it to be secured to the limiting block 2311 via the first slot 2422. Simultaneously, the lower template 240 abuts against the two inner sidewalls of the limiting groove on both sides along its width, thus horizontally limiting the lower template 240 within the mounting groove 231. When assembling or removing the lower template 240, it can be moved vertically up and down along the limiting block 2311.

[0043] To facilitate the removal and removal of the lower template 240, the mounting groove 231 extends through both sides of the support base 230 along its length, allowing workers to operate the lower template 240 from both ends to remove and place it.

[0044] In this embodiment, the lower template 240 includes a first template 241 and a second template 242. The first template 241 and the second template 242 have a first groove 2413 and a second groove 2423 respectively on their opposite sides. The first groove 2413 and the second groove 2423 are arranged opposite to each other. The second template 242 is connected to the first template 241. The second groove 2423 and the first groove 2413 form the aforementioned vertical wiring groove 250. The lower template 240 is configured as two separate templates. This design facilitates the design of the cavity 300 structure for some irregularly shaped SR wire clips, and allows the product to be removed by separating the two templates during demolding, thus facilitating product demolding.

[0045] The first module 241 is provided with the first slot 2422 and the horizontal wiring slot 2411, and the second module 242 is provided with the sliding groove 2421 and the wire clamping block 260. The side of the first module 241 away from the second module 242 and the side of the second module 242 away from the first module 241 respectively abut against the two inner side walls of the mounting groove 231.

[0046] The first mold strip 241 is equipped with a positioning pin 2414, and the second mold strip 242 is equipped with a pin hole 2424 that mates with the positioning line. During molding, the wire is first placed on the first mold strip 241, and then the second mold strip 242 achieves initial positioning through the engagement of the positioning pin 2414 and the pin hole 2424. Next, the upper mold strip 100 and the lower mold strip 200 are placed into the mounting groove 231 and fixed in the mounting groove 231. Finally, the molding process is carried out.

[0047] In this embodiment, the support base 230 has an opening 232 on its side, which extends through the top and bottom surfaces of the side and connects to the mounting groove 231 and the clearance hole. The opening 232 allows the wire to be placed on the support base 230 without passing through the clearance hole when the vertical section of the wire is long, making operation convenient. Additionally, the opening 232 can also be used to lift the lower template from the bottom for material unloading.

[0048] In this embodiment, the first mold strip 241 is provided with a second slot 2415 that is perpendicular to and communicates with the horizontal wiring groove 2411. A wire-clamping block 270 is provided in the second slot 2415 at the position of the horizontal wiring groove 2411. The wire-clamping block 270 is provided with a third wire-clamping groove 271. The upper mold 100 includes a connecting plate 120, an upper template 130, an upper mold strip 140, and a wire-clamping strip 150. A heating nozzle 110 is connected to the connecting plate 120. The upper template 130 is fixedly connected to the bottom of the connecting plate 120 by screws. The bottom surface of the upper template 130 is provided with a third slot 131 and a fourth slot 132. The upper mold strip 140 and the wire-clamping strip 150 are respectively clamped in the third slot 131 and the fourth slot 132 and fastened with screws. The wire clamping mold strip 150 is positioned opposite to the first mold strip 241, and the upper mold strip 140 is positioned opposite to the second mold strip 242. A portion of the bottom surfaces of the upper mold plate 130, the upper mold strip 140, and the wire clamping mold strip 150 together form the inner wall of the cavity 300. The bottom of the wire clamping mold strip 150 is provided with a fourth wire clamping groove 151. The third wire clamping groove 271 and the fourth wire clamping groove 151 are positioned opposite each other. During mold closing, the third wire clamping groove 271 and the fourth wire clamping groove 151 together clamp the wire groove, thereby achieving a seal at the wire position.

[0049] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating this utility model, and are not intended to limit the implementation of this utility model. Those skilled in the art can make other variations or modifications based on the above description. It is neither necessary nor possible to exhaustively describe all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the protection scope of the claims of this utility model.

Claims

1. A bendable wire corner SR wire buckle injection mold, comprising an upper mold and a lower mold, wherein the upper mold and the lower mold are closed to form a cavity, characterized in that: The lower mold includes a support base and a lower template. The support base is provided with a mounting groove, and the lower template is engaged in the mounting groove. The lower template is provided with a horizontal wiring groove and a vertical wiring groove. The horizontal wiring groove is located on the top surface of the lower template. One end of the horizontal wiring groove passes through one side of the lower template, and the other end of the horizontal wiring groove extends to the cavity. One end of the vertical wiring groove is connected to the cavity, and the other end of the vertical wiring groove extends vertically downward. The lower template is provided with a sliding groove. One end of the sliding groove is connected to the vertical wiring groove and the other end of the sliding groove passes through one side of the lower template. A wire clamping block is provided in the sliding groove. One end of the wire clamping block abuts against the inner side wall of the mounting groove. The other end of the wire clamping block is provided with a first wire clamping groove. A second wire clamping groove is provided in the vertical wiring groove. The first wire clamping groove and the second wire clamping groove are arranged opposite to each other and located below the cavity for sealing and clamping the wire.

2. The injection mold for the corner bend of the SR wire buckle according to claim 1, characterized in that: The mounting groove extends through both sides of the support base along its length.

3. The injection mold for bending wire corner SR wire buckle according to claim 1, characterized in that: The limiting block in the mounting groove extends along the width direction of the mounting groove; The lower template is provided with a slot, which is horizontally limited by the limiting block, and the lower template can move vertically up and down along the limiting block.

4. The injection mold for bending wire corner SR wire buckle according to claim 3, characterized in that: The lower template includes a first template strip and a second template strip. The first template strip and the second template strip are respectively provided on two opposite sides. The first template strip and the second template strip are arranged opposite to each other. The first module is provided with the slot, and the second module is provided with the sliding groove and the clamping block; The second module is connected to the first module, and the second groove and the first groove form the vertical wiring groove; The side of the first mold strip away from the second mold strip and the side of the second mold strip away from the first mold strip respectively abut against the two inner sidewalls of the mounting groove.

5. The injection mold for bending wire corner SR wire buckle according to claim 4, characterized in that: The first module is provided with a positioning pin, and the second module is provided with a pin hole that is positioned and engaged with the positioning line.

6. The injection mold for bending wire corner SR wire buckle according to claim 1, characterized in that: The other end of the vertical wiring groove extends through the bottom of the lower template.

7. The injection mold for bending wire corner SR wire buckle according to claim 6, characterized in that: The support base is provided with a clearance hole, which is arranged opposite to the vertical wiring groove.

8. The injection mold for bending wire corner SR wire buckle according to claim 7, characterized in that: The support base has an opening on its side, which extends through the top and bottom surfaces of the corresponding side and connects to the mounting groove and the clearance hole.

9. The injection mold for bending wire corner SR wire buckle according to claim 1, characterized in that: The horizontal wiring channel is equipped with a wire clamping block.

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