CN217257996U - Mould with mould core capable of being automatically ejected out during mould opening - Google Patents

Abstract

The utility model discloses a mold core mold opening automatic ejection mold, which comprises a lower mold, a middle mold and an upper mold, wherein a mold core structure capable of automatically ejecting is arranged between the middle mold and the lower mold, the mold core structure comprises a mold body, a push plate, a spring and a positioning bolt, the push plate is arranged in an ejection groove in the lower mold, the spring is arranged between the bottom surface of the push plate and the lower mold, the positioning bolt passes through the lower mold from bottom to top, the thread section at the upper end of the positioning bolt is in threaded connection with the bottom surface of the push plate, and a nut at the lower end of the positioning bolt is arranged in a stroke cavity at the bottom surface of the lower mold; the mould body sets up in the push pedal upside. Owing to be equipped with the push pedal through spring control, thereby be favorable to automatic jack-up push pedal ejecting with the mould body when well mould rises, need not set up ejecting actuating mechanism alone, through the ejecting stroke of positioning bolt control mould, because the upside is equipped with constant head tank and location arch, the downside is equipped with the reference column, is favorable to fixing a position the mould body from both sides, makes the product precision of mould processing obtain guaranteeing.

Description

Mould with mould core capable of being automatically ejected out during mould opening

Technical Field

The utility model relates to the technical field of mold, specifically indicate an automatic ejecting mould of mold core die sinking.

Background

In the current mold core structure in the industry, most of the mold cores and the framework are taken out by a machine top or manually. The top die core has higher requirements on the die and the molding equipment. Firstly, an independently driven ejection mechanism is required to be added to the die, so that the height of the die is increased, the cost of the die is increased, heat loss is easily caused by air flow in a gap (ejection space), the convection of air inside and outside the die is obvious, the heat loss is large, the temperature of the die is unstable, the quality is unstable, and the production efficiency is low; and secondly, the equipment has at least two functions, so that the requirement on forming equipment is high, and the production cost is increased. In view of the above, we propose a mold with a mold core opened and automatically ejected to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is overcome above technical defect, provide a rational in infrastructure, the practicality is strong, can automatic ejecting mold core during the die sinking, need not set up ejecting actuating mechanism alone, the automatic ejecting mould of a mold core die sinking that excellent in use effect.

In order to solve the technical problem, the utility model provides a technical scheme does: a mold with a mold core capable of automatically ejecting when being opened comprises a lower mold, a middle mold and an upper mold which are sequentially stacked, wherein the upper mold and the middle mold can be opened in an upward translation mode relative to the lower mold, a flow channel structure is arranged between the upper mold and the middle mold, a mold core structure capable of automatically ejecting is arranged between the middle mold and the lower mold, the mold core structure comprises a mold body, a push plate, a spring and a positioning bolt, the push plate is arranged in an ejection groove in the lower mold, the spring is arranged between the bottom surface of the push plate and the lower mold, the positioning bolt penetrates through the lower mold from bottom to top, a thread section at the upper end of the positioning bolt is in threaded connection with the bottom surface of the push plate, and a nut at the lower end of the positioning bolt is arranged in a stroke cavity at the bottom surface of the lower mold; the mould body sets up in the push pedal upside.

Further, be equipped with the mould chamber between well mould and the lower mould, the mould intracavity is arranged in to the mould body, and the mould body upside is equipped with the constant head tank of indent, and well mould is equipped with the location arch in mould chamber position, the location arch cooperatees with the constant head tank.

Furthermore, the centre of a circle portion of the die body extends downwards to form a positioning column, the push plate is circular, a through hole for the positioning column to pass through is formed in the center of the push plate, and the positioning column passes through the through hole and is used for positioning.

Further, the runner structure is including setting up the runner groove between last mould and well mould contact surface, the end and the mould chamber intercommunication in runner groove, the initiating terminal intercommunication in runner groove feeds through to last mould top, upward be equipped with the injection hole of connecting the runner groove on the mould, the injection hole periphery is equipped with the holding ring.

Furthermore, three springs and three positioning bolts are arranged in each mold core structure respectively, and the springs and the positioning bolts are arranged alternately.

Compared with the prior art, the utility model the advantage lie in: the utility model discloses automatic ejecting mould, owing to be equipped with the push pedal through spring control, thereby be favorable to automatic jack-up push pedal when well mould rises ejecting with the mould body, need not set up ejecting actuating mechanism alone, through the ejecting stroke of positioning bolt control mould, because the upside is equipped with constant head tank and location arch, the downside is equipped with the reference column, is favorable to fixing a position the mould body from both sides, makes the product precision of mould processing obtain the guarantee.

Drawings

Fig. 1 is an exploded view of the mold with the mold core opened and automatically ejected.

Fig. 2 is the longitudinal section structure schematic diagram of the automatic ejecting mould of mold core die sinking of the utility model.

Fig. 3 is a schematic view of the mold core structure in bottom view.

As shown in the figure: 1. a lower die; 2. a middle mold; 3. an upper die; 4. a mold body; 5. pushing the plate; 6. a spring; 7. positioning the bolt; 8. ejecting the groove; 9. a mold cavity; 10. positioning a groove; 11. positioning a projection; 12. a positioning column; 13. a through hole; 14. a runner groove; 15. an injection hole; 16. a positioning ring; 17. a stroke chamber.

Detailed Description

The following describes the present invention with reference to the accompanying drawings. In which like parts are designated by like reference numerals.

In the description of the present invention, it is to be understood that the terms "center", "lateral", "up", "down", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified. Furthermore, the term "comprises" and any variations thereof is intended to cover non-exclusive inclusions.

A mould with a mould core capable of automatically ejecting out when opening a mould comprises a lower mould 1, a middle mould 2 and an upper mould 3 which are sequentially stacked, wherein the upper mould 3 and the middle mould 2 can be opened by upward translation relative to the lower mould 1, the lower mould 1 is arranged on an electric heating plate so as to provide a heat source for the mould, a flow channel structure is arranged between the upper mould 3 and the middle mould 2, a mould core structure capable of automatically ejecting out is arranged between the middle mould 2 and the lower mould 1, the mould core structure comprises a mould body 4, a push plate 5, a spring 6 and a positioning bolt 7, the push plate 5 is arranged in an ejection groove 8 in the lower mould 1, the spring 6 is arranged between the bottom surface of the push plate 5 and the lower mould 1, when in use, an injection moulding material is injected into a mould cavity 9 through the flow channel structure, when the mould is opened, the middle mould 2 is separated from the lower mould 1, the push plate 5 is ejected upwards under the action of the spring 6, the mould body 4 is arranged on the upper side of the push plate 5 so as to eject out the mould body 4 together, the device automatically ejects out during die opening due to no need of independently arranging an ejection driving mechanism, thereby saving the manufacturing cost of the die and having high use efficiency.

In the process of ejecting the mold core, the ejection stroke of the mold body 4 needs to be controlled, the positioning bolt 7 penetrates through the lower mold 1 from bottom to top, the thread section at the upper end of the positioning bolt 7 is in threaded connection with the bottom surface of the push plate 5, and the nut at the lower end of the positioning bolt 7 is arranged in a stroke cavity 17 at the bottom surface of the lower mold 1;

in order to improve the accuracy of mould processing, need fix a position the position of the mould body 4, be equipped with mould cavity 9 between well mould 2 and lower mould 1, in mould cavity 9 was arranged in to the mould body 4, was equipped with the constant head tank 10 of indent at the mould body 4 upside, well mould 2 was equipped with location arch 11 in mould cavity 9 position, location arch 11 cooperatees with constant head tank 10. A positioning column 12 extends downwards from the circle center of the die body 4, the push plate 5 is circular, a through hole 13 for the positioning column 12 to pass through is formed in the center of the push plate 5, and the positioning column 12 passes through the through hole 13 for positioning; through the location structure that sets up respectively in the upper and lower both sides of the mould body 4, can carry out accurate location to its inside mould body 4 after the mould compound die, effectively improve the precision of processing.

The runner structure comprises a runner groove 14 arranged between the contact surfaces of the upper die 3 and the middle die 2, the tail end of the runner groove 14 is communicated with the die cavity 9, the starting end of the runner groove 14 is communicated to the top of the upper die 3, the upper die 3 is provided with an injection hole 15 connected with the runner groove 14, and the periphery of the injection hole 15 is provided with a positioning ring 16; during processing, molten injection molding raw material is injected into the runner groove 14 through the injection hole 15 and flows into the corresponding mold cavity 9 to complete the injection molding operation, and the positioning ring 16 is used for connecting and positioning the raw material on the upper part of the upper mold 3.

In order to enable the mold to be ejected out stably, three springs 6 and three positioning bolts 7 are arranged in each mold core structure respectively, and the springs 6 and the positioning bolts 7 are arranged alternately; so that the push plate 5 can be horizontally ejected.

The present invention and the embodiments thereof have been described above, but the present invention is not limited thereto, and the embodiments shown in the detailed description are only some examples, not all examples, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.

Claims (5)

1. A mold with a mold core capable of automatically ejecting when being opened comprises a lower mold (1), a middle mold (2) and an upper mold (3) which are sequentially stacked, wherein the upper mold (3) and the middle mold (2) can be opened by being translated upwards relative to the lower mold (1), it is characterized in that a flow passage structure is arranged between the upper die (3) and the middle die (2), a die core structure capable of automatically ejecting is arranged between the middle die (2) and the lower die (1), the die core structure comprises a die body (4), a push plate (5), a spring (6) and a positioning bolt (7), the push plate (5) is arranged in an ejection groove (8) in the lower die (1), a spring (6) is arranged between the bottom surface of the push plate (5) and the lower die (1), a positioning bolt (7) penetrates through the lower die (1) from bottom to top, a thread section at the upper end of the positioning bolt (7) is in threaded connection with the bottom surface of the push plate (5), and a nut at the lower end of the positioning bolt (7) is arranged in a stroke cavity (17) at the bottom surface of the lower die (1); the die body (4) is arranged on the upper side of the push plate (5).

2. The mold for automatically ejecting the mold core opened mold according to claim 1, wherein a mold cavity (9) is arranged between the middle mold (2) and the lower mold (1), the mold body (4) is arranged in the mold cavity (9), an inward concave positioning groove (10) is arranged on the upper side of the mold body (4), a positioning protrusion (11) is arranged on the middle mold (2) at the mold cavity (9), and the positioning protrusion (11) is matched with the positioning groove (10).

3. The mold according to claim 1, wherein a positioning column (12) extends downwards from the center of the mold body (4), the push plate (5) is annular, a through hole (13) for the positioning column (12) to pass through is formed in the center of the push plate (5), and the positioning column (12) passes through the through hole (13) for positioning.

4. The mold for mold core opening and automatic ejection as claimed in claim 2, wherein the runner structure comprises a runner groove (14) arranged between the contact surfaces of the upper mold (3) and the middle mold (2), the tail end of the runner groove (14) is communicated with the mold cavity (9), the starting end of the runner groove (14) is communicated to the top of the upper mold (3), the upper mold (3) is provided with an injection hole (15) connected with the runner groove (14), and the periphery of the injection hole (15) is provided with a positioning ring (16).

5. The mold for mold core opening automatic ejection as claimed in claim 1, wherein there are three springs (6) and three positioning bolts (7) in each mold core structure, and the springs (6) and the positioning bolts (7) are alternately arranged.

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