CN210679581U

CN210679581U - Watch window card inserting hole pulling plate injection molding die

Info

Publication number: CN210679581U
Application number: CN201921014400.2U
Authority: CN
Inventors: 孙铭东
Original assignee: Dalian Yuanqing Electrical Appliance Equipment Manufacturing Co ltd
Current assignee: Dalian Yuanqing Electrical Appliance Equipment Manufacturing Co ltd
Priority date: 2019-07-02
Filing date: 2019-07-02
Publication date: 2020-06-05
Anticipated expiration: 2029-07-02

Abstract

The utility model discloses an injection molding die for a watch window card-inserting hole pull plate, which comprises a static die, a movable die and an ejection device; the static mould comprises a static mould plate, a plurality of static mould cores and a pouring gate, wherein the middle part of the static mould plate is provided with a plurality of long through holes; the lower part of the static mold core is provided with a plurality of upper mold grooves which are arranged in parallel; the movable mold comprises a movable mold cavity plate with a plurality of long through holes in the middle, and a movable mold base plate which is arranged in the long through holes of the movable mold cavity plate, is provided with a plurality of movable mold cores and is detachably connected to the lower part of the movable mold cavity plate. The utility model discloses a according to the one shot forming mould of novel table window plug card hole arm-tie design, easy operation, convenient and fast during the assembly, production efficiency is high, satisfies the demand of a plurality of table window plug card hole arm-ties of coproduction.

Description

Watch window card inserting hole pulling plate injection molding die

Technical Field

The invention relates to the field of part injection molding equipment facilities, in particular to an injection molding die for a watch window card inserting hole pull plate.

Background

At present, a power supply department in the market applies a meter box, and a single-phase power load meter adopts a prepayment electric card meter. Because the batch meter is sealed by the electric industry department, the user is through using the IC-card of electricity department purchase to collect fee, and the IC-card must be in the card-inserting hole that the inside gauging table of case corresponds is inserted to the chamber door outside after the purchase, pulls out IC-card batch meter after continuing the fee and just can normally supply power and use, and the outage can not normally use on the contrary. The utility model discloses a power supply department adopts the electric card strapping table several years, each production box producer mostly adopts former table window to correspond strapping table card inserting hole and processes rectangular square hole according to the IC-card size, or process little metal door plug-in card and use on the table window, former kind of method is because use in the open air, rainwater and dust penetrate very easily, latter kind of method switch wicket processing is complicated, a plug-in card watch window has been developed again afterwards, for watch and plug-in card integral type, through PC material heat injection one shot forming, watch window card inserting hole arm-tie is the improvement of upgrading on former plug-in card watch window basis, the integrative use of assembly, prevent permeating water more effectively, the dust phenomenon permeates, the outward appearance is scientific pleasing to the eye. However, no special die for manufacturing the watch window card-inserting hole pulling plate exists at present, so that mass production cannot be carried out.

Disclosure of Invention

The invention aims to design a special die for a card inserting hole pull plate of a watch window to ensure the production of the novel card inserting watch window.

In order to achieve the aim, the invention provides an injection molding die for a watch window card inserting hole pull plate, which comprises a static die, a movable die and an ejection device, wherein the ejection device comprises a first guide plate and a second guide plate;

the static mould comprises a static mould plate, a plurality of static mould cores and a pouring gate, wherein the middle part of the static mould plate is provided with a plurality of long through holes;

the lower part of the static mold core is provided with a plurality of mold upper grooves which are arranged in parallel;

the movable mold comprises a movable mold cavity plate, a plurality of movable mold cores and a movable mold base plate, wherein the middle part of the movable mold cavity plate is provided with a plurality of long through holes, and the movable mold cores are arranged in the long through holes of the movable mold cavity plate and are detachably connected to the lower part of the movable mold cavity plate;

the upper part of the movable mould core is provided with a lower mould groove corresponding to the upper mould groove;

and the corresponding group of the upper model grooves and the lower model grooves form a workpiece forming cavity;

the ejection device comprises a plurality of ejector rods penetrating through the movable die base plate and the movable die core, material-carrying rods penetrating through the middle parts of the movable die base plate and the movable die core, and the top ends of the material-carrying rods are positioned at the lower part of the pouring gate, a plurality of return rods arranged at two sides of the lower part of the movable die base plate, and an ejection plate and an ejection base plate which are positioned at the lower part of the movable die base plate and used for clamping and fixing the material-carrying rods and the return rods of the ejection rods; the two sides of the ejection base plate are provided with mold feet, and the upper parts of the mold feet are fixedly connected with the movable mold base plate;

the ejection rods are divided into two parts, one part of the ejection rods is ejected to the head end of the workpiece forming cavity, and the other part of the ejection rods is ejected to the tail end of the workpiece forming cavity.

Preferably, the pouring gate is a trapezoidal pouring gate, and the upper part of the pouring gate is narrow and the lower part of the pouring gate is wide.

Preferably, a guide post is arranged between the static template and the movable cavity plate.

The one-step forming die designed according to the novel watch window card-inserting hole pull plate is simple to operate, convenient and quick to assemble and high in production efficiency, and meets the requirement of producing a plurality of watch window card-inserting hole pull plates simultaneously.

Drawings

Fig. 1 is a schematic top view of the present invention.

Fig. 2 is a schematic view of the structure of fig. 1 at section a-a.

Fig. 3 is a schematic view of the cross-sectional structure of fig. 1 at B-B.

Wherein: 1. a pouring gate; 2. a stationary mold core; 3. a static template; 4. a workpiece; 5. moving the cavity plate; 6. a movable mold core; 7. ejecting the rod; 8. a movable die base plate; 9. a belt rod; 10. a return link; 11. ejecting the plate; 12. ejecting the backing plate; 13. a guide post; 14. a mould leg; 15. a groove is arranged on the model; 16. a groove under the model; 17. and a workpiece forming cavity.

Detailed Description

Example (b):

as shown in fig. 1 to 3, the watch window card-inserting hole pulling plate injection molding die comprises a static die, a movable die and an ejection device. The static mold comprises a static mold plate 3, six static mold cores 2 and a pouring gate 1, wherein the middle part of the static mold plate 3 is provided with three rows of long through holes which correspond to each other in pairs (six in total), the six static mold cores are arranged in the long through holes of the static mold plate 3, and the pouring gate 1 penetrates through the middle of the static mold plate 3; the pouring gate 1 is a trapezoidal pouring gate, and is narrow at the top and wide at the bottom. The gate 1 is positioned to meet the requirements for injecting hot PC material into the six workpiece forming cavities 17. The lower part of the static mould core 2 is provided with a plurality of mould upper grooves 15 which are arranged in parallel. The movable mould comprises a movable mould cavity plate 5, six movable mould cores 6 and a movable mould base plate 8, wherein the middle part of the movable mould cavity plate 5 is provided with three rows of elongated through holes corresponding to each other (six in all), the six movable mould cores are arranged in the elongated through holes of the movable mould cavity plate 5, and the movable mould base plate is detachably connected to the lower part of the movable mould cavity plate 5. The upper portion of the movable mold core 6 is provided with a mold lower groove 16 corresponding to the mold upper groove 15. And, a corresponding set of the upper mold groove 15 and the lower mold groove 16 form a workpiece forming cavity 17.

As shown in fig. 2 to 3, the ejection device includes twelve ejector rods 7 penetrating through the movable mold base plate 8 and the movable mold core 6, a material carrying rod 9 penetrating through the middle parts of the movable mold base plate 8 and the movable mold core 6 and having a top end located at the lower part of the pouring gate 1, four return rods 10 arranged at two sides of the lower part of the movable mold base plate 8, and an ejection plate 11 and an ejection base plate 12 located at the lower part of the movable mold base plate 8 and used for clamping and fixing the material carrying rod 9 and the return rods 10 of the ejector rods 7; the two sides of the ejection backing plate 12 are provided with mold feet 14, and the upper parts of the mold feet 14 are fixedly connected with the movable mold backing plate 8; since the return rod 10 is a common part in the field of casting molding, and is well known to those skilled in the art, its structure will not be described herein.

Twelve of the ejector rods 7 are divided into two parts, six of which respectively abut against the head ends of the six workpiece forming cavities 17, and the rest of which respectively abut against the tail ends of the six workpiece forming cavities 17. And a guide column 13 is arranged between the static template 3 and the movable mould cavity plate 5.

The using method of the invention comprises the following steps: and after the static mold core 2 is assembled on the static mold plate 3, the sprue gate 1 is installed. And after the movable mold core 6 and the guide post 13 are assembled on the movable mold cavity plate 5, the movable mold cavity plate is fixedly connected with the movable mold base plate 8. Then, the ejector plate 11, the strip rod 9, the ejector rod 7 and the return rod 10 are assembled, the ejector backing plate 12 is fixedly connected with the ejector plate 11, and the top ends of the die pins 14 are fixedly connected with the movable die backing plate 8. The whole movable mould part moves along the guide post 13, the ejection part is in clearance fit with the movable mould part, and the moving direction of the ejection part is the same as that of the movable mould part and moves up and down. After the movable mould part, the static mould part and the ejection part are assembled, the static mould plate can be further provided with a cooling water nozzle, and after the whole mould is assembled, the whole mould is arranged on an injection machine and then provided with a cooling water device which is a common device in an injection moulding mould. The injection molding is carried out by aligning the head of the injection machine with the sprue gate, the injection machine moves to open the parting surface after the injection is finished, and the ejector plate drives the ejector rod to move to eject the workpiece 4 when the injection machine moves in place, namely, the drawing plate for inserting and clamping the hole of the watch window is seen. The invention has the advantages of one-step forming, simple operation, convenient and fast assembly and high production efficiency.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.

Claims

1. A watch window card-inserting hole pulling plate injection molding die comprises a static die and a movable die, and is characterized by also comprising an ejection device;

the static mould comprises a static mould plate (3) with a plurality of long through holes in the middle, a plurality of static mould cores (2) arranged in the long through holes of the static mould plate (3), and a pouring gate (1) arranged in the middle of the static mould plate (3) in a penetrating manner;

the lower part of the static mould core (2) is provided with a plurality of upper mould grooves (15) which are arranged in parallel;

the movable mould comprises a movable mould cavity plate (5) with a plurality of long through holes in the middle, a plurality of movable mould cores (6) arranged in the long through holes of the movable mould cavity plate (5), and a movable mould base plate (8) detachably connected to the lower part of the movable mould cavity plate (5);

the upper part of the movable mould core (6) is provided with a mould lower groove (16) corresponding to the mould upper groove (15);

and a corresponding group of the upper model grooves (15) and the lower model grooves (16) form a workpiece forming cavity (17);

the ejection device comprises a plurality of ejection rods (7) penetrating through the movable mold base plate (8) and the movable mold core (6), a material taking rod (9) penetrating through the movable mold base plate (8) and the movable mold core (6) and having the top end positioned at the lower part of the pouring gate (1), a plurality of return rods (10) arranged at two sides of the lower part of the movable mold base plate (8), and an ejection plate (11) and an ejection base plate (12) which are positioned at the lower part of the movable mold base plate (8) and are used for clamping and fixing the material taking rod (9) and the return rods (10) of the ejection rods (7); the two sides of the ejection backing plate (12) are provided with mold feet (14), and the upper parts of the mold feet (14) are fixedly connected with the movable mold backing plate (8);

the ejector rods (7) are divided into two parts, one part is propped against the head end of the workpiece forming cavity (17), and the other part is propped against the tail end of the workpiece forming cavity (17).

2. The watch window bayonet pull plate injection molding mold according to claim 1, wherein the sprue gate (1) is a trapezoidal sprue gate with a narrow top and a wide bottom.

3. The watch window card-inserting hole pulling plate injection molding mold according to claim 1, wherein a guide column (13) is provided between the stationary mold plate (3) and the movable mold cavity plate (5).