CN217434885U

CN217434885U - Injection molding die equipment of cable joint

Info

Publication number: CN217434885U
Application number: CN202220298390.5U
Authority: CN
Inventors: 周胜勇; 叶占旭; 冯文如; 何虎
Original assignee: Sichuan Pulda Electronic Technology Co ltd
Current assignee: Sichuan Pulda Electronic Technology Co ltd
Priority date: 2022-02-15
Filing date: 2022-02-15
Publication date: 2022-09-16
Anticipated expiration: 2032-02-15

Abstract

The utility model discloses a cable joint's injection moulding die equipment, including injection moulding board, stamping die box, the first intracavity wall of moulding in the hole outside of moulding plastics is equipped with convex joint die cover, the guide post activity that stamping die box was equipped with through spacing draw-in groove lateral wall sets up the outside at injection moulding board, rectangular form second mould cavity has been seted up near injection moulding board side surface middle part to stamping die box, the second mould cavity is equipped with a T shape moulding pole rather than between the positioning inslot wall at both ends respectively, the stamping die box side that the second mould cavity one end outside was kept away from to the moulding pole is vertical respectively is equipped with a punching press jar, the stamping die box is kept away from second mould cavity side surface middle part and is transversely run through and be equipped with spring ejector pin. The utility model discloses utilize the punching press jar to promote the circular equipment that the removal realization of die pressing pole connects to accomplish the shaping operation under the cooperation that connects the die cover and thread groove, adopt the pressfitting structure shaping of moulding plastics, improve machining efficiency when guaranteeing the yield, excellent in use effect.

Description

Injection molding die equipment of cable joint

Technical Field

The utility model relates to the technical field of cables, specifically a cable joint's moulding-die equipment that moulds plastics.

Background

In telecommunications terminology, a joint is a device that is installed between cables, has certain insulating and sealing properties, and allows two or more cables to run continuously. The joint is used for locking and fixing the incoming and outgoing lines, and plays a role in water resistance, dust resistance and vibration resistance. It can be divided into indoor type and outdoor type according to installation place. The mounting materials can be classified into a heat shrinkage type (one of the most common materials), a dry bag type, an epoxy resin casting type and a cold shrinkage type. The cable core material can be divided into a copper core power cable head and an aluminum core power cable head. The processing operation of current cable joint passes through the extrusion molding and accomplishes many times, is heated the influence of factors such as hot-pressing and extrusion pressure, and the yield is low and the continuous operation ability is not enough to influence machining efficiency, and the practicality is poor.

Disclosure of Invention

An object of the utility model is to provide a cable joint's moulding-die equipment of moulding plastics to solve the problem among the prior art.

In order to achieve the above object, the utility model provides a following technical scheme: an injection molding die device of a cable connector comprises an injection molding plate and a stamping die box, wherein the middle part of one side surface of the injection molding plate is transversely provided with a round table-shaped injection molding hole in a penetrating way, the middle part of the side surface of the injection molding plate outside the injection molding hole is vertically provided with a rectangular first molding die cavity, the inner wall of the first molding die cavity outside the injection molding hole is fixedly provided with a circular arc-shaped connector die cover, the side surface of the injection molding plate outside the first molding die cavity is fixedly provided with a plurality of fan-shaped embedded blocks, the outer surface of one side of the stamping die box, which is close to the injection molding plate, is provided with a plurality of limiting clamping grooves in a matching way, the stamping die box is movably arranged outside the injection molding plate through a guide column arranged on the side wall of the limiting clamping grooves, the stamping die box is provided with a rectangular second molding die cavity, which is close to the middle part of one side surface of the injection molding plate, the middle part of the side surface of the stamping die box, which is outside the second molding die cavity, is vertically provided with a positioning groove in a penetrating way, the die comprises a first die cavity, a second die cavity and a positioning groove, wherein a T-shaped die rod is movably arranged between the inner walls of the positioning groove at the two ends of the first die cavity and the second die cavity respectively, a stamping cylinder is vertically and fixedly arranged on the side surface of a stamping die box, far away from the outer side of one end of the second die cavity, of the die rod through a flange respectively, and a spring material pushing rod is transversely movably arranged in the middle of the surface of one side, far away from the second die cavity, of the stamping die box in a penetrating mode.

Preferably, the embedded block and the injection molding template are integrated into a whole, and the stamping die box is clamped with the injection molding template through a guide post in the side limiting clamping groove penetrating through the embedded block.

Preferably, the joint mould cover is close to the one end of moulding plastics the hole and is three hole through-type structures, the hole of moulding plastics is through the inner chamber intercommunication of joint mould cover and first moulding chamber.

Preferably, the first die cavity and the second die cavity have the same size, and the two die pressing rods on the inner walls of the first die cavity and the second die cavity are controlled by the punching cylinder to synchronously move in cooperation with the embedded limiting rod.

Preferably, the middle parts of the surfaces of the two adjacent sides of the die rods are respectively provided with a semicircular external thread groove, and the two external thread grooves are assembled and pressed by the spring pushing rod and the joint die cover to complete the shaping of the cable joint.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the T-shaped die pressing rod is arranged between the second die cavity and the inner walls of the positioning grooves at two ends of the second die cavity, an external thread groove is formed in the surface of one side, which is adjacent to the two die pressing rods, circular assembling of the connector is achieved by pushing the die pressing rods through the stamping cylinder, raw materials in the injection holes are injected into the first die cavity through the hole channel in the surface of the connector die cover and complete forming operation through the external thread groove, the injection die plate and the stamping die box are separated under the matching of the guide post and the embedded block after forming, quick discharging of the cable connector is completed through the spring material pushing rod, and the injection molding press fit structure is adopted for controlling forming, so that the processing efficiency is improved while the yield is ensured, and the use effect is good.

2. Two die pressing rods of the inner walls of the first die cavity and the second die cavity are controlled to synchronously move by the embedded limit rods matched with the stamping cylinders, so that the die assembly speed is improved while the dislocation of the die is avoided, and the practicability is high.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of the present invention;

fig. 2 is a sectional view of the expanded structure of the present invention;

fig. 3 is a schematic view of the surface structure of the stamping die box of the present invention.

In the figure: 1. injection molding a template; 2. stamping a die box; 3. injection molding holes; 4. a first mold cavity; 5. a splice mold cover; 6. a fitting block; 7. a limiting clamping groove; 8. a guide post; 9. a second molding cavity; 10. a positioning groove; 11. a mold pressing rod; 12. stamping a cylinder; 13. a spring pusher bar; 14. a limiting rod is embedded; 15. an external thread groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, 2 and 3, in an embodiment of the present invention, an injection molding and die pressing apparatus for a cable connector includes an injection molding plate 1 and a stamping die box 2, wherein a circular truncated cone-shaped injection hole 3 is transversely formed through a middle portion of a side surface of the injection molding plate 1, a rectangular first molding cavity 4 is vertically formed in a middle portion of a side surface of the injection molding plate 1 outside the injection hole 3, an arc-shaped connector die cover 5 is fixedly disposed on an inner wall of the first molding cavity 4 outside the injection hole 3, a plurality of fan-shaped engaging blocks 6 are fixedly disposed on a side surface of the injection molding plate 1 outside the first molding cavity 4, a plurality of limiting slots 7 are cooperatively formed on an outer surface of the stamping die box 2 near the injection molding plate 1, a guiding post 8 movably disposed on a side wall of the limiting slot 7 is disposed on an outer side of the injection molding plate 1, a rectangular second molding cavity 9 is formed in a middle portion of a side surface of the stamping die box 2 near the injection molding plate 1, a position adjusting groove 10 is vertically formed in the middle of the side surface of the stamping die box 2 on the outer side of the second plastic die cavity 9 in a penetrating mode, a T-shaped stamping rod 11 is movably arranged between the second plastic die cavity 9 and the inner walls of the position adjusting grooves 10 at two ends of the second plastic die cavity respectively, a stamping cylinder 12 is vertically and fixedly arranged on the side surface of the stamping die box 2 on the outer side of one end, far away from the second plastic die cavity 9, of the stamping rod 11 through a flange respectively, and a spring pushing rod 13 is transversely movably arranged on the middle of the side surface of the stamping die box 2 on the outer side, far away from the second plastic die cavity 9 in a penetrating mode; the embedded block 6 and the injection molding template 1 are integrated into a whole, and the stamping die box 2 penetrates through the embedded block 6 and the injection molding template 1 through a guide post 8 in a side limiting clamping groove 7 to be clamped; one end of the joint die cover 5 close to the injection molding hole 3 is of a three-hole through type structure, and the injection molding hole 3 is communicated with the inner cavity of the first plastic die cavity 4 through the joint die cover 5, so that the circulation during injection molding is ensured; the first plastic die cavity 4 and the second plastic die cavity 9 are the same in size, and two die pressing rods 11 on the inner walls of the first plastic die cavity 4 and the second plastic die cavity 9 are controlled by a stamping cylinder 12 to synchronously move in cooperation with an embedded limiting rod 14, so that accurate die closing and positioning are guaranteed; the middle parts of the surfaces of the adjacent sides of the two die pressing rods 11 are respectively provided with a semicircular external thread groove 15, the two external thread grooves 15 are assembled and connected, and the shaping of the cable connector is completed under the press fit of the spring pushing rod 13 and the connector die cover 5, so that the quick discharging is convenient.

The utility model discloses a theory of operation and use flow: utilize punching press jar 12 to promote the removal of die pressing rod 11 and realize the circular equipment of joint, the raw materials in the injection molding hole 3 is injected into first die cavity 4 by the pore on joint die lid 5 surface and is accomplished the shaping operation through external thread groove 15, the separation under leading position post 8 and gomphosis piece 6 cooperation of injection moulding board 1 and punching press die box 2 after the shaping, and accomplish the quick ejection of compact of cable joint through spring ejector pin 13, adopt the pressfitting structure control shaping of moulding plastics, improve machining efficiency when guaranteeing the yield, excellent in use effect.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a cable joint's injection moulding die equipment, includes injection moulding template (1), punching die box (2), its characterized in that: the middle part of the surface of one side of the injection molding plate (1) is transversely provided with a round table-shaped injection molding hole (3) in a penetrating manner, the middle part of the side surface of the injection molding plate (1) at the outer side of the injection molding hole (3) is vertically provided with a rectangular first injection molding cavity (4), the inner wall of the first injection molding cavity (4) at the outer side of the injection molding hole (3) is fixedly provided with a circular arc-shaped joint mold cover (5), the side surface of the injection molding plate (1) at the outer side of the first injection molding cavity (4) is fixedly provided with a plurality of fan-shaped embedded blocks (6), the outer surface of one side of the stamping mold box (2) close to the injection molding plate (1) is provided with a plurality of limiting clamping grooves (7) in a matching manner, the stamping mold box (2) is movably arranged at the outer side of the injection molding plate (1) through guide posts (8) arranged on the side wall of the limiting clamping grooves (7), the stamping mold box (2) is provided with a rectangular second injection molding cavity (9) close to the middle part of the surface of one side of the injection molding plate (1), the stamping die box (2) side middle part in second moulding chamber (9) outside is vertical to be run through and has been seted up positioning groove (10), second moulding chamber (9) is rather than between positioning groove (10) inner wall at both ends activity respectively and is provided with a T shape die pressing rod (11), stamping die box (2) side in second moulding chamber (9) one end outside is kept away from in die pressing rod (11) is through flange vertical fixed one stamping cylinder (12) respectively, stamping die box (2) is kept away from second moulding chamber (9) a side surface middle part and is transversely run through the activity and be provided with spring ejector ram (13).

2. An injection molding apparatus for a cable joint according to claim 1, wherein: the embedded block (6) and the injection molding template (1) are integrated into a whole, and the stamping die box (2) penetrates through the embedded block (6) and the injection molding template (1) through a guide post (8) in a side limiting clamping groove (7) to be clamped.

3. An injection molding apparatus for a cable joint according to claim 1, wherein: the joint mould lid (5) is close to injection molding hole (3) one end and is three hole through structures, injection molding hole (3) is through joint mould lid (5) and the inner chamber intercommunication of first moulding die cavity (4).

4. An injection molding apparatus for a cable joint according to claim 1, wherein: the size of the first molding cavity (4) is the same as that of the second molding cavity (9), and two molding rods (11) on the inner walls of the first molding cavity (4) and the second molding cavity (9) are controlled by the punching cylinder (12) to synchronously move in a matched manner with the embedded limiting rod (14).

5. An injection molding apparatus for a cable joint according to claim 1, wherein: and the middle parts of the surfaces of the adjacent sides of the two die pressing rods (11) are respectively provided with a semicircular external thread groove (15), and the two external thread grooves (15) are assembled and pressed by the spring pushing rod (13) and the joint die cover (5) to complete the shaping of the cable joint.