Cable wiring shell injection mold and injection molding device

Abstract

The utility model discloses a cable wiring shell injection mold and injection molding device, the cable wiring shell injection mold comprises a base, a pillar, a rear mold base, a front mold plate, a runner mold plate and a top mold plate which are sequentially arranged from bottom to top, the rear mold base is provided with a lower end part molding piece and a side edge mold core, the front mold plate is provided with an upper end part molding piece, and the side edge mold core is provided with an upper end part molding piece. The lower end forming part is of a cylinder structure and used for forming the inner surface of the cable wiring shell, a first thread groove is formed in the peripheral wall of the lower end forming part and used for forming internal threads, the two side edge mold cores are arranged and provided with semicircular grooves, second thread grooves are partially formed in the semicircular grooves and used for forming external threads, the two side edge mold cores are spliced to form a circular groove, and the circular groove is used for forming the inner surface of the cable wiring shell. The circular groove is used for forming the outer surface of the cable wiring shell, the upper end forming piece is embedded in the front mold plate and is of a circular tube structure, and a tooth groove is formed in the inner wall of the bottom end of the upper end forming piece and used for forming a tooth-shaped groove.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molds, in particular to an injection mold for a cable connection housing and an injection molding device. Background Art

[0002] Reference Figure 1 , a cable wiring housing is proposed, which is in the shape of a circular tube, one end of which is provided with an internal thread, and the other end is provided with a toothed groove and an external thread, the toothed groove is located at the end and is arranged around a circle, and the external thread is located near the inner side of the toothed groove. In the related art, it is necessary to manufacture the circular tube structure and then process the thread and toothed groove structure separately, which requires additional labor and manufacturing costs, and has low efficiency and does not meet production needs. Utility Model Content

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model proposes a cable connection housing injection mold, which can single-shot injection mold a cable connection housing with internal and external threads and toothed grooves, saving the cost caused by additional processing and improving production efficiency.

[0004] The utility model also provides an injection molding device having the cable connection housing injection mold.

[0005] According to the cable wiring housing injection mold of the first aspect embodiment of the utility model, the cable wiring housing is in a circular tube shape, one end of which is provided with an internal thread, and the other end is provided with a toothed groove and an external thread, the toothed groove is located at the end and is arranged around a circle, and the external thread is located on the inner side close to the toothed groove. The cable wiring housing injection mold includes a base, a pillar, a rear mold base, a front mold base, a flow channel mold base and a top mold base arranged in sequence from bottom to top, the pillars are arranged on both sides of the top surface of the base, the rear mold base is supported and connected to the base by the pillars, and there is a gap between the rear mold base and the base, the top mold base is provided with a glue injection nozzle, and a flow channel connected to the glue injection nozzle is provided in the flow channel mold base. The rear mold base is provided with a lower end molding piece and a side core, and the front mold base is provided with an upper end molding piece. The lower end molding piece is a cylindrical structure for molding the inner surface of the cable wiring housing, and a first thread groove is provided on its peripheral wall for molding the internal thread. Two side cores are provided, and the two side cores are provided with semicircular grooves. The semicircular grooves are partially provided with second thread grooves for molding the external thread. The two side cores are spliced ​​to form a circular groove, and the circular groove is used to mold the outer surface of the cable wiring housing. The upper end molding piece is embedded in the front mold base. When the front mold base is connected to the rear mold base, the bottom end of the upper end molding piece just abuts the side core, and cooperates with the lower end molding piece and the circular groove to form a closed cavity. The upper end molding piece is a circular tubular structure, and the inner wall of the bottom end of the upper end molding piece is provided with a tooth groove for molding the toothed groove.

[0006] The cable connection housing injection mold according to the embodiment of the utility model has at least the following beneficial effects: the rear mold base, the front mold plate and the two side mold cores are assembled to form a cylindrical space, and the upper end molding piece, the lower end molding piece and other inserts are arranged inside to form a cavity that adapts to the inner and outer surface shape structure of the cable connection housing, wherein the lower end molding piece is used to mold the inner surface, and the first spiral groove forms the corresponding internal thread, and the cylindrical structure corresponds to the internal channel of the circular tube structure, the semicircular grooves of the side mold core are assembled to form a cylindrical circular groove, and the second spiral groove forms the external thread, and the circular groove is used to cooperate with the lower end molding piece to form a circular tube cavity, and the front mold plate is mainly used for the structural molding of the toothed groove of the cable connection housing by arranging the upper end molding piece. The cable connection housing injection mold proposed by the utility model can realize single injection molding, without the need to process the internal thread, external thread and toothed groove separately, which can reduce labor and material costs and improve production efficiency.

[0007] According to some embodiments of the utility model, two circular grooves are arranged in the side core, and two upper end forming pieces and two lower end forming pieces are arranged, which are assembled, positioned and installed by the side core to form two cavities for simultaneously forming the two cable connection housings.

[0008] According to some embodiments of the utility model, the flow channel is in a tapered tubular shape and is located between the two cavities. Flow guide pipes are provided on both sides of the flow channel, and the flow guide pipes are respectively connected to the two cavities.

[0009] According to some embodiments of the utility model, both ends of the flow guide tube are connected to a semicircular tube, the semicircular tube is arranged around the outside of the cavity, and both ends of the semicircular tube are connected to the cavity.

[0010] According to some embodiments of the utility model, two glue injection ports are symmetrically arranged on the side wall of the upper end molding near the bottom end, and both ends of the semicircular tube are connected with conical glue inlet nozzles, which pass through the glue injection ports and extend into the mold cavity, and the outer wall of the glue inlet nozzle is tightly fitted with the inner wall of the glue injection port.

[0011] According to some embodiments of the present invention, a third cavity is provided between the two cavities for simultaneously molding the three cable connection housings.

[0012] According to some embodiments of the utility model, the bottom end of the lower end molding piece passes through the rear mold base and extends into the gap, and the base is provided with a driving member, which extends into the gap and connects to the lower end molding piece, driving the lower end molding piece to rotate to disengage from the cable wiring housing.

[0013] According to some embodiments of the utility model, a guide rod is provided on the side wall of the rear mold base, and the guide rod extends obliquely toward the outer side of the rear mold base. A slide plate is connected to the side of the side core facing away from the flow channel, and the slide plate is provided with a guide groove, which is inserted into the guide rod to guide the side cores to separate from or gather together.

[0014] According to some embodiments of the utility model, the groove wall of the semicircular groove is further provided with a through channel, and the channel is used to embed a character forming part for forming characters on the outer side surface of the cable connection housing.

[0015] The injection molding device according to the second embodiment of the utility model comprises the cable connection housing injection mold as described in any one of the above items.

[0016] The injection molding device according to the embodiment of the utility model has at least the following beneficial effects: a cable wiring housing with internal and external threads and toothed grooves can be injection molded in a single step through an adapted injection mold, thereby saving the cost caused by additional processing and improving production efficiency.

[0017] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The present invention is further described below with reference to the accompanying drawings and embodiments, wherein:

[0019] Figure 1 A schematic diagram of a cable connection housing according to an embodiment of the utility model;

[0020] Figure 2 A schematic diagram of an injection mold for a cable connection housing according to an embodiment of the utility model;

[0021] Figure 3 This is a schematic diagram of the internal structure of the injection mold for the cable connection housing according to an embodiment of the utility model;

[0022] Figure 4 It is a schematic diagram of the inner flow channel and the flow guide tube part of the injection mold of the cable connection housing according to the embodiment of the utility model;

[0023] Figure 5 A schematic diagram of an upper end molding of a cable connection housing injection mold according to an embodiment of the utility model;

[0024] Figure 6 It is a schematic diagram of a lower end molding of a cable connection housing injection mold according to an embodiment of the utility model;

[0025] Figure 7 It is a schematic diagram of a side core of an injection mold for a cable connection housing according to an embodiment of the utility model.

[0026] Reference numerals:

[0027] Toothed groove 10; internal thread 20; external thread 30;

[0028] Base 100; gap 101; driving member 110;

[0029] Pillar 200;

[0030] rear mold base 300; guide plate 301; lower end molding piece 310; first spiral groove 311; side core 320; semicircular groove 321; second spiral groove 322; through hole 323; slide plate 330;

[0031] Front template 400; upper end molding 410; tooth groove 411; glue injection port 412;

[0032] Flow channel template 500; flow channel 510; flow guide tube 520; semicircular tube 530; glue inlet nozzle 540;

[0033] Top mold plate 600; glue injection nozzle 610. DETAILED DESCRIPTION

[0034] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0035] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0036] In the description of the present utility model, "several" means one or more, "more" means more than two, "greater than", "less than", "exceed" etc. are understood to exclude the number itself, and "above", "below", "within" etc. are understood to include the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0037] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0038] Reference Figure 1 , a cable connection housing is proposed, which is in the shape of a circular tube, one end of which is provided with an internal thread 20, and the other end is provided with a toothed groove 10 and an external thread 30, wherein the toothed groove 10 is located at the end and is arranged around a circle, and the external thread 30 is located on the inner side close to the toothed groove 10. In the related art, it is necessary to manufacture the circular tube structure and then process the thread and the toothed groove 10 structure separately, which requires additional labor and manufacturing costs, and has low efficiency and does not meet production needs.

[0039] 2. To this end, refer to Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6, which is an injection mold for a cable wiring housing proposed by the utility model, includes a base 100, a pillar 200, a rear mold base 300, a front mold plate 400, a flow channel mold plate 500 and a top mold plate 600 arranged in sequence from bottom to top, the pillars 200 are arranged on both sides of the top surface of the base 100, the rear mold base 300 is supported and connected to the base 100 through the pillars 200, and there is a gap 101 between the rear mold base 300 and the base 100, the top mold plate 600 is provided with a glue injection nozzle 610, and the flow channel 510 connected to the glue injection nozzle 610 is provided in the flow channel mold plate 500. The rear mold base 300 is provided with a lower end molding piece 310 and a side core 320, and the front mold plate 400 is provided with an upper end molding piece 410. The lower end molding piece 310 is a cylindrical structure, which is used to mold the inner surface of the cable connection housing, and its peripheral wall is provided with a first thread groove for molding the internal thread 20. Two side cores 320 are provided, and the two side cores 320 are provided with semicircular grooves 321. The semicircular grooves 321 are partially provided with second thread grooves for molding the external thread 30. The two side cores 320 are provided with a semicircular groove 321. The semicircular grooves 321 are partially provided with second thread grooves for molding the external thread 30. The core 320 is assembled to form a circular groove, which is used to shape the outer surface of the cable wiring housing. The upper end molding piece 410 is embedded in the front template 400. When the front template 400 is connected to the rear mold base 300, the bottom end of the upper end molding piece 410 just abuts against the side core 320, and cooperates with the lower end molding piece 310 and the circular groove to form a closed cavity. The upper end molding piece 410 is a circular tubular structure, and the inner wall of the bottom end of the upper end molding piece 410 is provided with a tooth groove 411 for molding the toothed groove 10. It can be understood that the rear mold base 300, the front mold plate 400 and the two side cores 320 are assembled to form a cylindrical space, and the upper end molding piece 410, the lower end molding piece 310 and other inserts are arranged inside to form a cavity that adapts to the inner and outer surface shape structure of the cable wiring housing, wherein the lower end molding piece 310 is used to shape the inner surface, and the internal thread 20 is correspondingly formed through the first spiral groove 311, and the cylindrical structure corresponds to the internal channel of the circular tube structure, the semicircular grooves 321 of the side core 320 are assembled with each other to form a cylindrical circular groove, and the external thread 30 is formed through the second spiral groove 322, and the circular groove is used to cooperate with the lower end molding piece 310 to form a circular tube cavity, and the front mold plate 400 is mainly used for the structural molding of the toothed groove 10 of the cable wiring housing by setting the upper end molding piece 410. The cable connection housing injection mold proposed by the utility model can realize single injection molding, without the need to process the internal thread 20, the external thread 30 and the toothed groove 10 separately, which can reduce labor and material costs and improve production efficiency. It is easy to understand that the top template 600 is provided with a glue injection nozzle 610, the flow channel template 500 is provided with a flow channel 510, and the base 100, the support 200, etc. are conventional settings in the field, and no unnecessary details are given here.

[0040] Reference Figure 3 and Figure 7In some embodiments, two circular grooves are provided in the side core 320, and two upper end molding pieces 410 and two lower end molding pieces 310 are provided, both of which are assembled, positioned and installed through the side core 320 to form two cavities for simultaneously molding two cable wiring housings and molding two products at the same time, which can further increase production efficiency.

[0041] Further, refer to Figure 4 and Figure 5 The flow channel 510 is in a conical tubular shape and is located between the two cavities. The two sides of the flow channel 510 are provided with flow guide pipes 520, which are connected to the two cavities respectively. The two ends of the flow guide pipe 520 are connected to a semicircular pipe 530, which is arranged around the outside of the cavity, and the two ends of the semicircular pipe 530 are connected to the cavity. Two glue injection ports 412 are symmetrically arranged on the side wall near the bottom end of the upper end molding part 410, and conical glue inlet nozzles 540 are connected to both ends of the semicircular tube 530. The glue inlet nozzles 540 pass through the glue injection ports 412 and extend into the mold cavity. The outer wall of the glue inlet nozzle 540 fits tightly with the inner wall of the glue injection port 412. The glue enters the guide tube 520 through the glue injection nozzle 610 and the flow channel 510. Under the drive of high pressure, there is sufficient power to enter the mold cavity through the semicircular tube 530 and the glue inlet nozzles 540 at both ends, thereby meeting the molding conditions for molding two shells at the same time.

[0042] Optionally, a third cavity is provided between the two cavities for simultaneously molding three cable connection housings. The third cavity can be provided directly below the flow channel 510, and the glue can directly enter the cavity through the flow channel 510, further improving production efficiency.

[0043] Reference Figure 2 , Figure 3 and Figure 6 The bottom end of the lower end molding part 310 passes through the rear mold base 300 and extends into the gap 101. The base 100 is provided with a driving part 110. The driving part 110 extends into the gap 101 and connects to the lower end molding part 310, driving the lower end molding part 310 to rotate so as to be separated from the cable connection housing. The driving part 110 is a motor. A plurality of transmission gears are provided in the gap 101, and a keyway is provided on the bottom side wall of the lower end molding part 310 to cooperate with each other. The motor rotates to drive the lower end molding part 310 to rotate, and the first spiral groove 311 and the internal thread 20 rotate relatively, so that the lower end molding part 310 and the cable connection housing are separated from each other, ensuring that the demoulding is completed without damaging the structure of the internal thread 20 and the external thread 30.

[0044] Refer to Tuhe Figure 3The side wall of the rear mold base 300 is provided with a guide rod, which extends obliquely toward the outside of the rear mold base 300. The side of the side core 320 away from the flow channel 510 is connected to a slide plate 330, and the slide plate 330 is provided with a guide groove, which is plugged into the guide rod to guide the side cores 320 to separate or gather together. When the rear mold base 300 and the front mold plate 400 are separated from each other, the slider, the side core 320 and the rear mold base 300 are not tightly connected. At this time, the guide plate 301 will move relative to the drawing board, and the guide plate 301 can guide the drawing board to move horizontally toward the outside, thereby driving the side cores 320 to separate from each other, thereby quickly completing the demoulding action.

[0045] Reference Figure 7 The groove wall of the semicircular groove 321 is also provided with a through channel, and the channel is used to embed the character molding part for molding the characters on the outer side surface of the cable connection housing.

[0046] The utility model also provides an injection molding device, including any of the cable connection housing injection molds as above. The cable connection housing with internal and external threads 30 and toothed grooves 10 can be injection molded in a single step through the adapted injection mold, saving the cost caused by additional processing and improving production efficiency.

[0047] Reference Figure 7 The groove wall of the semicircular groove 321 is also provided with a through channel, and the channel is used to embed the character molding part for molding the characters on the outer side surface of the cable connection housing.

[0048] The utility model also provides a cable injection molding device, including any of the cable connection housing injection molds as above. The cable connection housing with internal and external threads 30 and toothed grooves 10 can be injection molded in a single step through the adapted injection mold, saving the cost caused by additional processing and improving production efficiency.

[0049] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A cable connection housing injection mold, the cable connection housing is in a round tube shape, one end of which is provided with an internal thread, and the other end is provided with a toothed groove and an external thread, the toothed groove is located at the end and is arranged around a circle, and the external thread is located near the inner side of the toothed groove, characterized in that: The mold base comprises a base, a support, a rear mold base, a front mold base, a flow channel mold base and a top mold base which are sequentially arranged from bottom to top, wherein the support is arranged on both sides of the top surface of the base, the rear mold base is supported by the support and connected to the base, and a gap is formed between the rear mold base and the base, the top mold base is provided with a glue injection nozzle, and a flow channel connected to the glue injection nozzle is provided in the flow channel mold base; The rear mold base is provided with a lower end molding piece and a side core, and the front mold base is provided with an upper end molding piece. The lower end molding piece is a cylindrical structure for molding the inner surface of the cable wiring housing, and a first thread groove is provided on its peripheral wall for molding the internal thread. Two side cores are provided, and the two side cores are provided with semicircular grooves. The semicircular grooves are partially provided with second thread grooves for molding the external thread. The two side cores are spliced ​​to form a circular groove, and the circular groove is used to mold the outer surface of the cable wiring housing. The upper end molding piece is embedded in the front mold base. When the front mold base is connected to the rear mold base, the bottom end of the upper end molding piece just abuts the side core, and cooperates with the lower end molding piece and the circular groove to form a closed cavity. The upper end molding piece is a circular tubular structure, and the inner wall of the bottom end of the upper end molding piece is provided with a tooth groove for molding the toothed groove.

2. The cable connection housing injection mold according to claim 1, characterized in that: Two circular grooves are arranged in the side core, and two upper end forming pieces and two lower end forming pieces are arranged, which are assembled, positioned and installed by the side core to form two cavities for simultaneously forming two cable connection housings.

3. The cable connection housing injection mold according to claim 2, characterized in that: The flow channel is in a tapered tubular shape and is located between the two cavities. Flow guide pipes are arranged on both sides of the flow channel, and the flow guide pipes are connected to the two cavities respectively.

4. The cable connection housing injection mold according to claim 3, characterized in that: Both ends of the flow guide pipe are connected with semicircular pipes, the semicircular pipes are arranged around the outside of the cavity, and both ends of the semicircular pipes are connected with the cavity.

5. The cable connection housing injection mold according to claim 4, characterized in that: The side wall of the upper end molding part near the bottom end is symmetrically provided with two injection ports, and both ends of the semicircular tube are connected with a conical injection nozzle, which passes through the injection port and extends into the mold cavity, and the outer wall of the injection nozzle is tightly fitted with the inner wall of the injection port.

6. The cable connection housing injection mold according to claim 2, characterized in that: A third cavity is arranged between the two cavities for simultaneously molding the three cable connection housings.

7. The cable connection housing injection mold according to claim 1, characterized in that: The bottom end of the lower end molding passes through the rear mold base and extends into the gap. The base is provided with a driving member, which extends into the gap and connects the lower end molding, driving the lower end molding to rotate to detach from the cable wiring housing.

8. The cable connection housing injection mold according to claim 1, characterized in that: The side wall of the rear mold base is provided with a guide rod, and the guide rod extends obliquely toward the outside of the rear mold base. The side of the side core facing away from the flow channel is connected with a slide plate, and the slide plate is provided with a guide groove, and the guide groove is inserted into the guide rod to guide the side cores to separate or gather from each other.

9. The cable connection housing injection mold according to claim 1, characterized in that: The groove wall of the semicircular groove is also provided with a through channel, and the channel is used for embedding a character forming part for forming characters on the outer side surface of the cable connection housing.

10. An injection molding device, characterized in that: It comprises the cable connection housing injection mold as claimed in any one of claims 1 to 9.

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