CN212372614U

CN212372614U - Simple die

Info

Publication number: CN212372614U
Application number: CN202020653472.8U
Authority: CN
Inventors: 吴军军; 史月宏; 陈爱化
Original assignee: Shenzhen Jincaihong Precision Manufacturing Co ltd
Current assignee: Shenzhen Jincaihong Precision Manufacturing Co ltd
Priority date: 2020-04-26
Filing date: 2020-04-26
Publication date: 2021-01-19
Anticipated expiration: 2030-04-26

Abstract

The utility model relates to the technical field of mold, a simple and easy mould, including cope match-plate pattern, lower bolster, mold core assembly, ejecting subassembly, reset spring and cooling device. The upper die plate and the lower die plate are respectively provided with a cooling rod perpendicular to the die opening direction in the upper mounting position and the lower mounting position corresponding to the die core assembly, the upper die core and the lower die core are provided with mounting grooves corresponding to the cooling rods, the injection molding machine pulls the lower die plate to be far away from the upper die plate during die opening, and the ejection assembly is fixed relative to the upper die plate. The utility model discloses in through setting up the cooling rod in cope match-plate pattern and lower bolster, realized the installation positioning action that corresponds the mold core promptly, solved the too high problem of temperature control cost in the fast mould simultaneously, combine the oblique guide pillar that sets up along die sinking direction circumference simultaneously to make the product in the die cavity can complete the drawing of patterns. The air holes communicated with the cavity and the die core connecting surface can avoid the resistance of the equipment to the die sinking caused by the negative pressure state. Has the characteristics of convenient use and installation and low use cost.

Description

Simple die

Technical Field

The utility model relates to the technical field of mold, concretely relates to simple and easy mould.

Background

The simple die is produced by using low-cost die materials and simplifying die processing procedures. The method is mainly characterized by short manufacturing period, low cost and short service life of the die, and is mainly suitable for manufacturing low-cost small-batch products.

The simple mold has a limitation in use function since it omits and simplifies most of the structure. Demolding is usually a crucial link in the injection molding process, and a thimble group plate or a special thimble mechanism is usually adopted for ejection during demolding, and a taking-out mechanism is arranged for taking out a product. The structure has larger space limitation and higher cost when being applied in a simple die. In addition, the mold cavity of the simple mold is usually molded by gypsum, plastic and the like, and has the advantages of convenient use and easily obtained raw materials. However, in the using process, the injection molding is mostly in a hot processing mode, so that the mold cavity is easily heated to generate deformation, and the product quality is affected.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the not enough and defect of prior art, providing a simple and easy mould, can in time dispel the heat to the mould, improve the qualification rate of product.

The purpose of the utility model is realized through the following technical scheme:

a simple die comprises an upper die plate, a lower die plate, a die core assembly, an ejection assembly, a return spring and a cooling device, wherein the upper die plate and the lower die plate are oppositely arranged along a die opening direction, the die core assembly is arranged between the upper die plate and the lower die plate and comprises an upper die core and a lower die core, the upper die plate and the lower die plate are correspondingly provided with an upper mounting position and a lower mounting position, the upper mounting position and the lower mounting position are respectively provided with a cooling rod, the cooling rods are arranged perpendicular to the die opening direction and are respectively and fixedly connected with the upper die plate and the lower die plate, the upper die core and the lower die core are correspondingly provided with mounting grooves for the cooling rods, a die cavity is arranged between the upper die core and the lower die core, the center of the upper die plate;

the ejection assembly comprises an ejector plate, an inclined guide post and an ejector pin, one end of the ejector pin is fixedly connected with the ejector plate, the other end of the ejector pin is connected with a cavity, a plurality of inclined guide posts are symmetrically distributed by taking the central axis of the cavity as a center and gradually diverge from one end of the ejector plate to one end of an upper mold core, a positioning block is arranged in the middle of each inclined guide post and is fixed with a lower mold plate, each inclined guide post penetrates through the positioning block and is in sliding connection with the positioning block, two ends of each inclined guide post are respectively in sliding connection with the ejector plate and the upper mold core and do reciprocating motion of diffusion or contraction around an axis, a clamping hook facing the axis is arranged at one end, close to the upper mold core, of each inclined guide post, an inverted buckle is arranged at the position of the cavity corresponding to the clamping hook, so that a product is clamped with one end of each inclined guide post through the clamping hook after injection molding, an, the reset spring is arranged between the lower template and the ejector plate.

Specifically, all be equipped with the draw-in groove on the lateral wall of cope match-plate pattern and lower bolster, the cope match-plate pattern can be dismantled through the draw-in groove injection molding machine and be connected, and the lower bolster passes through the draw-in groove and can dismantle with the injection molding machine and be connected.

Specifically, the upper die core is provided with a sliding groove corresponding to the clamping hook of the inclined guide pillar, and the inclined guide pillar slides in the sliding groove.

Specifically, a limiting column is arranged between the lower template and the ejector plate.

Specifically, the cooling rod is of a hollow tubular structure with two sealed ends, the side wall is made of copper alloy, and cooling liquid is filled inside the cooling rod.

Compared with the prior art, the utility model following advantage and beneficial effect are included: the utility model discloses in through setting up the cooling rod in cope match-plate pattern and lower bolster, realized the installation positioning action that corresponds the mold core promptly, solved the too high problem of temperature control cost in the fast mould simultaneously, combine the oblique guide pillar that sets up along die sinking direction circumference simultaneously to make the product in the die cavity can complete the drawing of patterns. The air holes communicated with the cavity and the die core connecting surface can avoid the resistance of the equipment to the die sinking caused by the negative pressure state. Has the characteristics of convenient use and installation and low use cost.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a front view of the present invention.

Fig. 3 is a cross-sectional view of the cross-section a-a in fig. 2.

In the figure: 1-upper die plate, 12-glue injection port, 13-glue injection hole, 14-clamping groove, 2-lower die plate, 3-upper die core, 31-sliding groove, 32-mounting groove, 4-lower die core, 5-die cavity, 51-reverse buckle, 52-air hole, 6-ejector plate, 7-inclined guide column, 71-positioning block, 72-clamping hook, 8-ejector pin, 9-reset spring, 10-limiting column and 11-cooling rod.

Detailed Description

The present invention will be described in further detail with reference to the following examples and drawings, but the present invention is not limited thereto.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and the specific meanings of the above terms in the present invention can be understood in specific situations by those skilled in the art.

Furthermore, the terms "center", "upper", "lower", "left", "right", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but 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 thus, should not be construed as limiting the present invention.

As shown in fig. 1 to 3, the specific implementation process of the present invention is as follows:

the utility model provides a simple and easy mould, including cope match-plate pattern 1, lower bolster 2, mold core assembly, ejecting subassembly, reset spring 9 and cooling device, cope match-plate pattern 1 and lower bolster 2 set up along the die sinking direction relatively, mold core assembly sets up between cope match-plate pattern 1 and lower bolster 2, including cope match-plate pattern 3 and lower mold core 4, cope match-plate pattern 1 and lower bolster 2 correspond and are equipped with installation position and installation position down, it is equipped with cooling rod 11 respectively with installation position down to go up the installation position, 11 perpendicular die sinking directions of cooling rod set up, respectively with cope match-plate pattern 1 and lower bolster 2 fixed connection, it is equipped with mounting groove 32 to go up mold core 3 and lower mold core 4 and correspond cooling rod 11, set up die cavity 5 between cope match-plate pattern 3 and the lower mold core 4, the center of cope match-plate pattern 1 is equipped with injecting glue mouth 12, injecting.

The outer side walls of the upper template 1 and the lower template 2 are respectively provided with a clamping groove 14, the upper template 1 is detachably connected with the injection molding machine through the clamping groove 14, and the lower template 2 is detachably connected with the injection molding machine through the clamping groove 14. The opening and closing of the mold can be controlled by the clamping groove 14 of the injection molding machine, meanwhile, the mold can be replaced conveniently by the detachable module, and the applicability is stronger.

Specifically, the cooling rod 11 has a hollow tubular structure with two sealed ends, the side wall is made of copper alloy, and the cooling liquid is filled inside the cooling rod. The heat exchanger is suitable for narrow positions such as a slender core and a region which can not be reached by common cooling water, has good heat transfer performance, can rapidly transfer heat from one end to the other end, and realizes an optimal heat conversion process by connecting the cooling water at a proper position. Preferably, before the mold core assembly is installed, a thermal paste should be applied to the surface of the cooling rod 11 to fill the gap between the installation groove 32 and the heat pipe as much as possible.

Reset spring 9 sets up between

lower bolster

2 and 8 boards of thimble 6, and reset spring 9 makes lower bolster 2 realize automatic re-setting after a manufacturing procedure accomplishes to process next time. And the outer side surfaces of the upper template 1 and the lower template 2 are provided with positioning buckles for limiting the degree of freedom of the upper template 1 and the lower template 2 in the direction vertical to the opening direction.

The ejection assembly comprises an ejector 8 plate 6, inclined guide pillars 7 and an ejector 8, one end of the ejector 8 is fixedly connected with the ejector 8 plate 6, the other end of the ejector 8 plate is connected with the cavity 5, a plurality of inclined guide pillars 7 are symmetrically distributed by taking the central axis of the cavity 5 as a center, one end of the ejector 8 plate 6 gradually diverges towards one end of the upper mold core 3, a positioning block 71 is arranged in the middle of each inclined guide pillar 7, the positioning block 71 is fixed with the lower mold plate 2, each inclined guide pillar 7 penetrates through the positioning block 71 to be slidably connected with the positioning block 71, two ends of each inclined guide pillar 7 are respectively slidably connected with the ejector 8 plate 6 and the upper mold core 3 to perform reciprocating motion of axial diffusion or contraction, one end, close to the upper mold core 3, of each inclined guide pillar 7 is provided with a clamping hook 72 facing the axis, and a reverse buckle 51 is arranged.

When the mold is opened, the upper template 1 is fixed, the lower template 2 is pulled to move in the direction far away from the upper template 1, and the product is demoulded in the mold opening direction; meanwhile, the thimble 8 plate 6 is fixed relative to the upper die plate 1, the inclined guide post 7 moves in the vertical die opening direction under the limitation of the positioning block 71, the smaller the distance between the lower die plate 2 and the thimble 8 plate 6 is, the larger the opening distance of one end of the product clamped by the inclined guide post 7 is, when the opening distance is enlarged to the point that the clamping hook 72 is separated from the back-off 51, the product finishes the demoulding process in the vertical die opening direction, and is separated from the die completely until the product is separated from the die, and is separated from the die under the action of gravity.

The lower surface of the cavity 5 is provided with an air hole 52, two ends of the air hole 52 are respectively communicated with the cavity 5 and contact surfaces between the upper die core 3 and the lower die core 4, the lower surface of the upper die core 3 and the upper surface of the lower die core 4 are non-flat surfaces which are not mutually attached, and the attachment flat surfaces are prevented from obstructing die opening or forming air bubbles on the surface of a product due to the action of vacuum negative pressure.

The upper die core 3 is provided with a sliding groove 31 corresponding to the hook 72 of the inclined guide post 7, and the inclined guide post 7 slides in the sliding groove 31.

Be equipped with spacing post 10 between lower bolster 2 and the 8 templates 6 of thimble and be used for restricting the motion range of lower bolster 2, can prevent when promoting the operation standardization that the die sinking action is too big, influence equipment work efficiency.

The above-mentioned embodiments only express the embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a simple and easy mould which characterized in that: the mold comprises an upper template, a lower template, a mold core assembly, an ejection assembly, a return spring and a cooling device, wherein the upper template and the lower template are oppositely arranged along the mold opening direction, the mold core assembly is arranged between the upper template and the lower template and comprises an upper mold core and a lower mold core, the upper template and the lower template are correspondingly provided with an upper mounting position and a lower mounting position, the upper mounting position and the lower mounting position are respectively provided with a cooling rod, the cooling rods are arranged vertical to the mold opening direction and are respectively fixedly connected with the upper template and the lower template, the upper mold core and the lower mold core are correspondingly provided with mounting grooves for the cooling rods, a mold cavity is arranged between the upper mold core and the lower mold core, the center of the upper template is provided with a glue injection port;

2. The simple mold as claimed in claim 1, wherein: the clamping grooves are formed in the outer side walls of the upper template and the lower template, the upper template is detachably connected with the injection molding machine through the clamping grooves, and the lower template is detachably connected with the injection molding machine through the clamping grooves.

3. The simple mold as claimed in claim 1, wherein: the upper die core is provided with a sliding groove corresponding to the clamping hook of the inclined guide post, and the inclined guide post slides in the sliding groove.

4. The simple mold as claimed in claim 1, wherein: and a limiting column is arranged between the lower template and the ejector plate.

5. The simple mold as claimed in claim 1, wherein: the cooling rod is of a hollow tubular structure with two sealed ends, the side wall is made of copper alloy, and cooling liquid is filled inside the cooling rod.