CN217293279U

CN217293279U - Three-way injection mold

Info

Publication number: CN217293279U
Application number: CN202220347581.6U
Authority: CN
Inventors: 张占东; 张静敏; 罗新军
Original assignee: Guangdong Wasung Cable Co ltd
Current assignee: Guangdong Wasung Cable Co ltd
Priority date: 2022-02-21
Filing date: 2022-02-21
Publication date: 2022-08-26
Anticipated expiration: 2032-02-21

Abstract

The utility model discloses an injection mold for three-way, which relates to the technical field of injection mold, comprising a lower die holder and an upper die holder, wherein the middle part of the lower die holder is provided with a die cavity, the side surface of the middle part of the lower die holder is provided with a lower edge cavity, one end of the lower edge cavity is provided with a grid cavity, the side surface of the lower die holder is provided with a side baffle groove, two ends of the inner side of the lower die holder are respectively provided with a demoulding component at one side of the side baffle groove, the design utilizes the design of the semicircular die cavity and the triangular lower edge cavity, so that the upper part of a tee joint of the lamp holder formed by injection molding can be in circular design, the lower part of the tee joint can be in triangular design, the bad phenomenon of easily exposing a wire core can be solved, rainwater can be prevented from entering the tee joint to cause short circuit and safety hidden danger is generated, secondly, the tail end of the lower edge cavity is provided with the grid type tail baffle, the tail baffle of the tee joint finished product formed by injection molding can be in a grid type tail baffle, and the bad phenomenon of exposing the wire core can be avoided, and the application of drawing of patterns subassembly, the drawing of patterns after more conveniently moulding plastics improves the efficiency of moulding plastics.

Description

Three-way injection mold

Technical Field

The utility model relates to an injection mold technical field specifically is a three-way injection mold.

Background

The light supplementary system is applied to dragon fruit light filling to outdoor lamp stand tee bend, and the tee key technical indicator of lamp stand is waterproof, and waterproof key control point is the design of mould, and the gap easily produces along the junction of the tail shelves of the tee bend of lamp stand on the existing market and cable, and the rainwater easily gets into the tee bend of lamp stand department of working a telephone switchboard along the gap, causes the short circuit of lamp stand tee bend, produces the potential safety hazard.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a tee bend is with injection mold has solved the tee bend tail shelves of lamp stand on the existing market and the easy gap that produces of combination department of cable, and the rainwater easily gets into the tee bend wiring department of lamp stand along the gap, causes the short circuit of lamp stand tee bend, produces the problem of potential safety hazard.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a three-way injection mold, includes die holder and upper die base, the die cavity has been seted up at the middle part of die holder, the middle part side of die holder is opened and is established down along the chamber, the net chamber has been seted up along the one end in chamber down, the side of die holder has been seted up and has been kept off the groove, the equal fixed mounting in both ends of die cavity has the effect post, the inboard both ends of die holder are located side and keep off groove one side department and all are provided with drawing of patterns subassembly.

As a further technical scheme of the utility model, the quantity that the side kept off the groove is two, two the side keeps off the groove and is located the both ends of die cavity, and two the lower part in side fender groove is higher than the bottom of die cavity.

As a further technical scheme of the utility model, drawing of patterns subassembly includes that die holder upper surface both ends are located the mounting groove that side wall groove one side department corresponds and sets up, the inside correspondence of mounting groove is provided with two roofs, the inner wall of mounting groove closes on every two corresponding mounting holes, two are all seted up in the one end department of roof the connecting rod is installed jointly to the piece of mounting hole, install the torsional spring on the connecting rod.

As a further technical scheme of the utility model, the one end of torsional spring is connected with the connecting rod, and the other end of torsional spring is fixed mutually with a terminal surface of roof, arc mouth, two have been seted up to a roof upper surface side the length sum of roof and the length looks adaptation of mounting groove.

As a further technical scheme of the utility model, the last fixed surface of die holder installs the locating lever, the lower fixed surface of upper die base installs the locating hole, the position of locating lever and locating hole corresponds each other.

As a further technical scheme of the utility model, detachable mould strip is all installed to the inboard of die holder and upper die base, the lead wire groove has been seted up on the surface of mould strip, die holder side bottom fixed mounting has the pipe of moulding plastics.

As a further technical scheme of the utility model, the lower edge chamber is the triangle-shaped structure, and is linked together along chamber and die cavity down.

Advantageous effects

The utility model provides a three-way injection mold. Compared with the prior art, the method has the following beneficial effects:

1. the utility model provides a tee bend injection mold, this design utilizes semi-circular die cavity and triangle-shaped lower edge chamber design, and then can make the lamp stand tee bend upper portion of moulding plastics into be circular design, the lower part is the triangle-shaped design, can solve the bad phenomenon of easy exposure sinle silk, also can avoid the rainwater to get into inside the tee bend, cause the tee bend short circuit, produce the potential safety hazard, secondly, the tail end along the chamber is provided with the net check chamber down, the off-the-shelf tail shelves of tee bend that conveniently mould plastics into can be the grid formula tail shelves, the gap of tail shelves and the bad phenomenon of exposure sinle silk have been avoided.

2. The utility model provides a three-way injection mold, through the application of drawing of patterns subassembly, the convenience is after the completion of moulding plastics, and when upper die base and die holder separation, utilize the torsion reset effect of torsional spring, can be with the adjacent one end perk of two roofs to can realize quick drawing of patterns effect to injection moulding's lamp stand tee bend jack-up that the lamp stand cable is connected.

Drawings

FIG. 1 is a schematic view of a lower assembly structure of a three-way injection mold;

FIG. 2 is a schematic view of an overall structure of a three-way injection mold;

FIG. 3 is a schematic view of the inner side structure of the upper part of a three-way injection mold;

FIG. 4 is a schematic view of a lower portion of a three-way injection mold;

figure 5 is through the utility model discloses lamp stand tee bend product structure sketch map that moulds plastics.

In the figure: 1. a lower die holder; 101. a mold cavity; 102. a lower edge cavity; 103. a grid cavity; 104. an action column; 105. a side baffle groove; 2. an upper die holder; 3. positioning a rod; 4. positioning holes; 5. molding strips; 6. a lead slot; 7. mounting grooves; 8. mounting holes; 9. a connecting rod; 10. a torsion spring; 11. a top plate; 12. and (5) injection molding of the pipe.

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. 1-5, the utility model provides a three-way injection mold technical scheme: a three-way injection mold comprises a lower die holder 1 and an upper die holder 2, wherein a mold cavity 101 is formed in the middle of the lower die holder 1, a lower edge cavity 102 is formed in the side surface of the middle of the lower die holder 1, a grid cavity 103 is formed in one end of the lower edge cavity 102, side baffle grooves 105 are formed in the side surface of the lower die holder 1, action columns 104 are fixedly mounted at two ends of the mold cavity 101, a positioning rod 3 is fixedly mounted on the upper surface of the lower die holder 1, a positioning hole 4 is fixedly mounted on the lower surface of the upper die holder 2, the positioning rod 3 corresponds to the positioning hole 4 in position, detachable die strips 5 are mounted on the inner sides of the lower die holder 1 and the upper die holder 2, lead grooves 6 are formed in the surfaces of the die strips 5, the detachable die strips 5 are designed to be conveniently replaced according to different sizes of cables so as to be suitable for connecting cables with different sizes, injection molding pipes 12 are fixedly mounted at the bottoms of the side surfaces of the lower die holder 1, and the side baffle grooves 105 are two, two side fender grooves 105 are located at two ends of the mold cavity 101, and the lower parts of the two side fender grooves 105 are higher than the bottom of the mold cavity 101, as shown in fig. 5, the diameter of the tail end of the injection molded cable tee joint is smaller than that of the tee joint, the gap of the joint of the tail fender and the cable is reduced, the waterproof performance is improved, and the tightness of connection of the cable and two ends of the mold is ensured.

The lower edge cavity 102 is of a triangular structure, the lower edge cavity 102 is communicated with the cavity 101, the cavity 101 is of a semicircular design, namely the upper die base 2 and the cavity 101 in the lower die base 1 are combined to form a cylinder shape, and further, a circular lamp holder formed by injection molding is designed, so that the bad phenomenon that a wire core is easy to expose can be solved, and the lower edge cavity 102 is of a triangular design, so that the lower edge of the tee formed by injection molding can be triangular (as shown in figure 5), the tee of the lamp holder can conveniently prevent rainwater from entering the tee to cause short circuit of the tee, and potential safety hazards are generated;

both ends of the inner side of the lower die holder 1 are positioned at one side of the side baffle groove 105, the demolding component comprises a mounting groove 7 correspondingly formed at the position of both ends of the upper surface of the lower die holder 1 at one side of the side baffle groove 105, two top plates 11 are correspondingly arranged inside the mounting groove 7, two corresponding mounting holes 8 are formed at one end of the inner wall of the mounting groove 7 close to each top plate 11, a connecting rod 9 is jointly installed on the two mounting holes 8, a torsion spring 10 is installed on the connecting rod 9, one end of the torsion spring 10 is connected with the connecting rod 9, the other end of the torsion spring 10 is fixed with one end surface of each top plate 11, an arc-shaped opening is formed at one side edge of the upper surface of each top plate 11, the sum of the lengths of the two top plates 11 is matched with the length of the mounting groove 7, it needs to be explained that the arc-shaped openings at the upper surfaces of the two top plates 11 arranged in the mounting groove 7 can be combined to form a semicircular opening, and the size of the semicircular opening is the same as that of the side baffle groove 105, when the injection molding machine is not used, one end, adjacent to the two top plates 11, in the mounting groove 7 is in a tilting state, when the injection molding machine is used, a lamp holder cable is connected into the side blocking groove 105 of the injection mold from a semicircular opening formed in the upper surfaces of the two top plates 11, after the upper mold base 2 and the lower mold base 1 are pressed, the top plates 11 are extruded by the lamp holder cable, the two top plates 11 move downwards, the inner bottom of the semicircular opening formed in the upper surfaces of the two top plates 11 is flush with the inner bottom of the side blocking groove 105, at the moment, the top plates 11 generate torsion to the torsion spring 10, and after the injection molding is completed, when the upper mold base 2 is separated from the lower mold base 1, the end, adjacent to the two top plates 11, is tilted under the torsion resetting effect of the torsion spring 10, so that the injection molded lamp holder tee joint connected with the lamp holder cable can be jacked, and the quick demolding effect is realized;

the utility model discloses a theory of operation: before moulding plastics, the inside of die cavity 101 is placed from side retaining groove 105 and lower edge chamber 102 respectively to the cable that the lamp stand tee bend is connected, make the cable be located side retaining groove 105 and lead wire groove 6 respectively, the cable inner core is connected simultaneously, utilize the injection molding machine to move down upper die base 2 and laminate the back with lower die base 1, mould plastics die cavity 101 and lower edge chamber 102 inside through injection molding pipe 12, because of the inside fixed mounting in die cavity 101 has effect post 104, when mould injection moulding, take out the model, can make the lamp stand tee bend tip of moulding plastics into be formed with the stress hole through effect post 104, because of having seted up net chamber 103 along the one end in chamber 102 down simultaneously, can make the lamp stand tee bend of moulding plastics and cable closely laminate, avoid the lamp stand tee bend tail shelves of moulding plastics into to have the gap and expose the bad phenomenon of sinle silk.

In addition, when the lamp stand cable inserts injection mold's side retaining groove 105 from the semicircular mouth that two roof 11 upper surfaces formed, after upper die base 2 and die holder 1 pressfitting, the lamp stand cable can extrude roof 11, make two roof 11 move down, and then the interior bottom of the semicircular mouth that two roof 11 upper surfaces formed is with the interior bottom of side retaining groove 105 keep flat, at this moment, roof 11 can produce torsion to torsional spring 10, after the completion of moulding plastics, when upper die base 2 and die holder 1 separate, receive torsional spring 10's torsion reset action, can be with the adjacent one end perk of two roof 11, thereby can be to the injection moulding's that the lamp stand cable is connected lamp stand tee bend jack-up, realize quick drawing of patterns effect.

Claims

1. The utility model provides a three-way injection mold, includes die holder (1) and upper die base (2), its characterized in that, die cavity (101) have been seted up at the middle part of die holder (1), the middle part side of die holder (1) is opened and is established down along chamber (102), grid chamber (103) have been seted up along the one end in chamber (102) down, side fender groove (105) have been seted up to the side of die holder (1), the equal fixed mounting in both ends of die cavity (101) has effect post (104), the inboard both ends of die holder (1) are located side fender groove (105) one side department and are provided with the drawing of patterns subassembly.

2. The three-way injection mold according to claim 1, wherein the number of the side retaining grooves (105) is two, two side retaining grooves (105) are located at two ends of the mold cavity (101), and the lower parts of the two side retaining grooves (105) are higher than the bottom of the mold cavity (101).

3. The three-way injection mold according to claim 1, wherein the demolding assembly comprises mounting grooves (7) correspondingly formed in positions, located on one side of the side blocking groove (105), of two ends of the upper surface of the lower mold base (1), two top plates (11) are correspondingly arranged inside the mounting grooves (7), two corresponding mounting holes (8) are formed in positions, close to one end of each top plate (11), of the inner wall of each mounting groove (7), a connecting rod (9) is installed between the two mounting holes (8), and a torsion spring (10) is installed on the connecting rod (9).

4. The three-way injection mold according to claim 3, wherein one end of the torsion spring (10) is connected with the connecting rod (9), the other end of the torsion spring (10) is fixed with one end face of the top plate (11), an arc-shaped opening is formed in one side edge of the upper surface of the top plate (11), and the sum of the lengths of the two top plates (11) is matched with the length of the mounting groove (7).

5. The three-way injection mold according to claim 1, wherein a positioning rod (3) is fixedly mounted on the upper surface of the lower mold base (1), a positioning hole (4) is fixedly mounted on the lower surface of the upper mold base (2), and the positioning rod (3) and the positioning hole (4) correspond to each other in position.

6. The three-way injection mold according to claim 1, wherein the lower mold base (1) and the upper mold base (2) are both provided with detachable mold strips (5) on the inner sides, the surface of each mold strip (5) is provided with a lead groove (6), and the bottom of the side surface of the lower mold base (1) is fixedly provided with an injection molding pipe (12).

7. The three-way injection mold according to claim 1, wherein the lower edge cavity (102) is triangular in structure, and the lower edge cavity (102) is communicated with the mold cavity (101).