CN219028283U - Mould convenient to cup base drawing of patterns - Google Patents

Abstract

The utility model relates to the field of mould manufacturing, and particularly discloses a mould convenient for demoulding a cup base, wherein a movable module can drive a left mould and a right mould to realize elastic lifting, when an upper mould is locked with a lower mould during injection moulding, the movable module, the left mould and the right mould are in an elastic compression state, elastic potential energy is accumulated, after injection moulding is completed, the upper mould is moved, the movable module drives the left mould and the right mould to elastically lift up due to the elastic restoring effect, at the moment, the left mould and the right mould are respectively sleeved on inclined guide posts on corresponding sides, the left mould and the right mould can be opened towards two sides through the guiding effect of the inclined guide posts in cooperation with the pushing effect of the movable module so as to enable the cup base to be separated from a cavity of the cup base of a goblet and to be separated from the lower mould along with the upper mould, and then the goblet is conveniently removed from the upper mould through an external grabbing device.

Description

Mould convenient to cup base drawing of patterns

Technical Field

The utility model relates to the field of mould manufacturing, in particular to a mould which is convenient for demoulding a cup base.

Background

Goblets are seen everywhere in life, which are usually formed by blowing or injection molding. The goblet formed by injection molding is critical to how to demold after injection molding is complete. Aiming at the problems, the patent discloses a goblet mold, which comprises an upper mold, an insert, a module, a lower mold top supporting plate, an inclined guide pillar and a cold water pipeline, wherein the module is movably arranged between the upper mold and the lower mold, the insert is installed on the upper mold, the insert extends downwards, the top supporting plate is installed on the lower mold, the inclined guide pillar is connected with the upper mold and the module so as to drive the module to move, the cold water pipeline is vertically and horizontally arranged in the upper mold and the module in a staggered manner, the mold is provided with a mold cavity and a feed inlet, the feed inlet is communicated with the mold cavity and the outside, the mold cavity is formed between the module and the insert, the shape of the mold cavity is of a goblet, and the upper surface of the module is provided with diamond-shaped surface grains; when the upper die moves upwards, the formed goblet can be taken out, and when the upper die moves downwards, the inclined guide pillar drives the module to move inwards, so that the die cavity is formed by splicing. Therefore, the mold is opened and closed by the mold, so that the goblet is convenient to be demolded. However, it is not clear how the module is opened and the present application is directed to providing a structure capable of urging the module to be opened and closed.

Disclosure of Invention

The utility model aims to solve the technical problem of how to promote the opening and closing of the module in the background technology and provides a die which is convenient for the demolding of a cup base.

The utility model relates to a mold convenient for demolding a cup base, which comprises a lower mold and an upper mold matched with the lower mold, wherein a left mold and a right mold which can be opened and closed left and right and can move up and down are arranged in the lower mold, a plurality of goblet base cavities which are arranged at intervals are formed after the left mold and the right mold are butted together, oblique guide posts are respectively arranged in the lower mold and at the left mold and the right mold, and the left mold and the right mold are respectively sleeved on the oblique guide posts at the corresponding sides and can be lifted and opened and closed along the oblique guide posts; the lower die is also provided with a movable die block which surrounds the left die and the right die and can drive the left die and the right die to elastically lift, the movable die block is provided with goblet body cavities with the same number as goblet base cavities, and the goblet body cavities are overlapped with the axes of the corresponding goblet base cavities; when the upper die and the lower die are locked, the movable die, the left die and the right die are in an elastic compression state.

According to the mold convenient for demolding of the cup base, the goblet body cavity is formed in the movable module, the goblet base cavity is formed after the left mold and the right mold are in butt joint, and the goblet body cavity is overlapped with the axis of the corresponding goblet base cavity, so that the goblet can be formed after injection molding through the cooperation of the movable module, the left mold and the right mold; the movable module can drive the left die and the right die to realize elastic lifting, when the upper die and the lower die are locked, the movable module, the left die and the right die are in an elastic compression state, elastic potential energy is accumulated, after injection molding is completed, the upper die is moved away, the movable module drives the left die and the right die to elastically lift up due to the elastic restoring effect, at the moment, the left die and the right die are respectively sleeved on oblique guide posts on corresponding sides, the left die and the right die can be opened towards two sides when being lifted up through the guiding effect of the oblique guide posts and the pushing effect of the movable module, so that the goblet base is separated from the goblet base cavity, and is separated from the lower die along with the upper die, and then the goblet is conveniently removed from the upper die through an external grabbing device (such as a manipulator).

Further, a pushing pressure spring is arranged between the movable module and the lower die, and is in a compressed state when the upper die and the lower die are locked. When the upper die leaves the lower die, the pressure spring is pushed to push the movable die to rise along with gradual reduction of pressure, meanwhile, the movable die drives the left die and the right die to rise, and meanwhile, the left die and the right die are opened to two sides, so that the goblet base is separated from the goblet base cavity, and goblets subjected to injection molding can conveniently leave the lower die along with the upper die; in addition, under the action of the pressure spring, in the locking process of the upper die and the lower die, a buffer force can be given to the movable die block, so that the movable die block and the lower die are prevented from directly generating larger rigid collision; when the upper die leaves the lower die, the pushing pressure spring elastically resets, the movable module, the left die and the right die can be pushed to ascend, and the injection molded goblet base can be quickly separated from the lower die to be used for jacking the top supporting plate of the lower die.

Further, a pushing plate for directly pushing the left die and the right die to rise is respectively arranged at two ends of the left die and the right die, and the pushing plate is connected to the movable module. The movable module drives the pushing plate to rise, so that the pushing plate pushes the left die and the right die to rise.

Further, the two sides of the left die and the right die are respectively provided with a step surface, and the step surfaces are lapped on the pushing plates at the corresponding sides. When the push plate is lifted, the left die and the right die are driven to lift by the force of the stepped surfaces of the left die and the right die.

Further, the lower die is provided with a pressing block at the side of the left die and the right die respectively, and when the left die and the right die are clamped, the left die and the right die are pressed against each other by the pressing blocks at the corresponding sides. Because the fluid pressure is large during injection molding, in order to avoid that the left die and the right die are not tightly closed under the condition of large pressure, the injection molding product is unqualified, and therefore the left die and the right die are propped against the middle through the propping block, and the left die and the right die are ensured not to be separated.

Further, one surface of the abutting block facing the left die or the right die is an inclined surface inclined outwards. Avoid obstructing the lifting of the left die and the right die.

Further, a strip-shaped boss is arranged at the top of the abutting block, a strip-shaped groove matched with the strip-shaped boss on the abutting block at the corresponding side is arranged on the movable module, and the strip-shaped groove is sleeved on the strip-shaped boss at the corresponding side when the upper die and the lower die are locked. Through the structure, the movable module can be fixed through the abutting block at the same time, so that the movable module is prevented from moving due to high fluid pressure in the injection molding process, and the quality of a final injection molded finished product is ensured.

Further, the top surface of the movable module is provided with a bulge, the goblet body cavity is positioned at the bulge, and a plurality of adjusting plates for adjusting the superposition of the goblet model of the upper die, the goblet base cavity and the goblet body cavity are arranged at the periphery of the outer side surface of the bulge at intervals. When the goblet model of the upper die is not overlapped with the axes of the goblet base cavity and the goblet body cavity, an upper base plate is padded at the corresponding adjusting plate according to the offset position, and when the upper die is locked with the lower die, the adjusting plate is abutted against the inner wall of the upper die, so that the position of the goblet model of the upper die is pushed, the axes of the goblet model of the upper die, the corresponding goblet body cavity and the goblet base cavity are overlapped, and the quality of injection molding finished products is ensured.

Further, a push plate capable of elastically lifting is arranged in the upper die, after the goblet model penetrates through the push plate, the top of the goblet model is connected to the upper die, and when the upper die and the lower die are locked, the push plate is in an elastic compression state. Through the structure, when the upper die and the lower die are separated, the push plate is pushed to move due to elastic reset, so that the goblet sleeved on the goblet model is separated from the corresponding model, and a subsequent grabbing device is convenient to grab and remove the molded goblet.

Furthermore, a demoulding pressure spring is arranged between the upper die and the push plate, and is in a compressed state when the upper die and the lower die are locked. When the upper die leaves the lower die, the demoulding pressure spring pushes the push plate to move along with the gradual reduction of pressure, so that a goblet sleeved on the goblet model is mutually separated from the corresponding model, and the injection molding finished product can be conveniently removed subsequently; in addition, through the action of the demoulding pressure spring, the upper die and the lower die can be given a buffer force in the locking process, so that the upper die, the lower die and the movable die are further prevented from directly generating larger rigid collision.

Compared with the prior art, the utility model has the following beneficial technical effects:

according to the utility model, through the mutual matching of the pushing pressure spring, the left die, the right die, the movable die block and the inclined guide post, the left die and the right die are lifted and opened, and the demolding of the goblet base is facilitated; meanwhile, the left die, the right die and the movable die cannot displace in the injection molding process through the action of the abutting blocks, so that the quality of injection molding finished products is ensured; the adjusting plate is arranged, so that the axes of the goblet model at the upper die, the goblet base cavity and the goblet body cavity are effectively adjusted to coincide, and the quality of injection molding finished products is ensured; in addition, through setting up drawing of patterns pressure spring, be convenient for with the goblet that injection molding was accomplished and goblet's model separation, be convenient for follow-up grabbing device removes the finished product of moulding plastics.

Drawings

FIG. 1 is a schematic diagram of a mold structure in an embodiment of the present utility model.

Fig. 2 is a schematic view of a die structure (with the upper and lower die holders removed and the upper and lower die bottom plates maintained) in an embodiment of the present utility model.

Fig. 3 is a cross-sectional view of fig. 1.

FIG. 4 is a schematic diagram of the connection structure of the left die, the right die, the oblique guide post, the abutting block and the pushing plate in the embodiment of the utility model.

Fig. 5 is a schematic diagram of a push plate connection structure according to an embodiment of the present utility model.

Fig. 6 is a schematic diagram of a movable module structure according to an embodiment of the utility model.

1, a left die; 2. a right die; 3. a goblet base cavity; 4. oblique guide posts; 5. a movable module; 6. a goblet body cavity; 7. a lower die bottom plate; 8. a lower die holder; 9. an upper die top plate; 10. an upper die holder; 11. demolding the compression spring; 12. pushing the compression spring; 13. a push plate; 14. a goblet model; 15. a tightening block; 16. a strip-shaped boss; 17. a protrusion; 18. an adjustment plate; 19. a push plate.

Detailed Description

For the purposes, technical solutions and advantages of the embodiments of the present application, the technical solutions of the present application will be clearly and completely described below with reference to the drawings of the embodiments of the present application. It will be apparent that the described embodiments are some, but not all, of the embodiments of the present application. All other embodiments, based on the described embodiments, which a person of ordinary skill in the art would obtain without inventive faculty, are within the scope of protection of the present application.

Unless otherwise defined, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs. The terms "first," "second," and the like, as used herein, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.

Example 1

The embodiment discloses a mold convenient for demolding of a cup base, as shown in fig. 1 to 4 and 6, the mold comprises a lower mold and an upper mold matched with the lower mold, a left mold 1 and a right mold 2 which can be opened and closed left and right and can move up and down are arranged in the lower mold, a plurality of goblet base cavities 3 which are arranged at intervals are formed after the left mold 1 and the right mold 2 are butted together, oblique guide posts 4 are respectively arranged in the lower mold and at the left mold 1 and the right mold 2, and the left mold 1 and the right mold 2 are respectively sleeved on the oblique guide posts 4 at the corresponding sides and can be lifted and opened and closed along the oblique guide posts 4; the lower die is also provided with a movable die block 5 which surrounds the left die 1 and the right die 2 and can drive the left die 1 and the right die 2 to elastically lift, the movable die block 5 is provided with goblet body cavities 6 which are consistent with goblet base cavities 3 in number, and the goblet body cavities 6 are overlapped with the axes of the corresponding goblet base cavities 3; when the upper die and the lower die are locked, the movable die block 5, the left die 1 and the right die 2 are in an elastic compression state.

In the concrete implementation process, the lower die is formed by a lower die bottom plate 7 and a lower die holder 8, the upper die is formed by an upper die top plate 9 and an upper die holder 10, and two inclined guide posts 4 connected to the lower die holder 8 are respectively arranged on the left die 1 side and the right die 2 side so as to ensure that the left die 1 and the right die 2 are lifted more stably; a pushing pressure spring 12 is arranged between the movable module 5 and the lower die holder 8, when the upper die and the lower die are locked, the pushing pressure spring 12 is in a compressed state, four pushing pressure springs 12 are arranged in a matrix and are respectively sleeved on the guide posts, and the left die 1, the right die 2 and the movable module 5 can be lifted more stably through the four groups of pushing pressure springs 12; the two sides of the left die 1 and the right die 2 are respectively provided with a pushing plate 13 for directly pushing the left die 1 and the right die 2 to rise, the pushing plates 13 are connected to the movable die block 5, the two sides of the left die 1 and the right die 2 are respectively provided with a step surface, and the pushing plates 13 on the corresponding sides are lapped through the step surfaces.

When the upper die and the lower die are locked, the pressure spring 12 is pushed to compress under force, the left die 1, the right die 2 and the movable die 5 are lowered, so that the left die 1 and the right die 2 are clamped to form the goblet base cavity 3, the goblet body cavity 6 is overlapped with the corresponding goblet base cavity 3 and the axes of the goblet model 14 connected to the upper die holder 10, injection molding can be prepared, after injection molding is finished, the upper die leaves the lower die, at the moment, the movable die 5 drives the left die 1 and the right die 2 to rise elastically due to the elastic restoring action of the pressure spring 12, the left die 1 and the right die 2 are sleeved on oblique guide posts 4 on the corresponding sides respectively, the left die 1 and the right die 2 can be opened towards two sides when rising through the guiding action of the oblique guide posts 4 in cooperation with the pushing action of the movable die 5, so that the goblet base is separated from the goblet base cavity 3 along with the upper die, and then the goblet is removed from the upper die through an external grabbing device (such as a manipulator).

Example two

In the first embodiment, the lower die is provided with the abutting blocks 15 on the sides of the left die 1 and the right die 2, respectively, and when the left die 1 and the right die 2 are clamped, the left die 1 and the right die 2 are abutted by the abutting blocks 15 on the corresponding sides.

In the concrete implementation process, the abutting block 15 is connected to the lower die holder 8 through fasteners such as screws, one surface of the abutting block 15 facing the left die 1 or the right die 2 is an inclined surface inclined outwards, a strip-shaped boss 16 is arranged at the top of the abutting block 15, a strip-shaped groove matched with the strip-shaped boss 16 on the abutting block on the corresponding side is arranged on the movable die 5, and the strip-shaped groove is sleeved on the strip-shaped boss 16 on the corresponding side when the upper die and the lower die are locked.

When the injection molding machine works, after the upper die and the lower die are locked, the left die 1 and the right die 2 are clamped, meanwhile, the movable die 5 returns to an injection molding state, the two side abutting blocks 15 abut against the left die 1 and the right die 2 towards the middle, and the movable die 5 is fixed through the matching of the strip-shaped boss 16 and the strip-shaped groove, so that the movable die 5, the left die 1 and the right die 2 are prevented from being displaced in the injection molding process.

Example III

On the basis of the second embodiment, in this embodiment, the top surface of the movable module 5 is provided with a protrusion 17, the goblet body cavity 6 is located at the protrusion 17, and a plurality of adjusting plates 18 for adjusting the axis superposition of the goblet model 14 of the upper mold, the goblet base cavity 3 and the goblet body cavity 6 are arranged around the outer side surface of the protrusion 17 at intervals.

In the specific implementation process, when the axes of the goblet model 14, the goblet base cavity 3 and the goblet body cavity 6 of the upper die are not coincident, a base plate is padded at the corresponding adjusting plate 18 according to the offset position, and when the upper die is locked with the lower die, the adjusting plate 18 is abutted against the inner wall of the upper die, so that the position of the goblet model 14 at the upper die is pushed, and the axes of the goblet model 14, the goblet body cavity 6 and the goblet base cavity 3 of the upper die are coincident.

Example IV

In the third embodiment, in the present embodiment, a push plate 19 capable of being lifted elastically is provided in the upper mold, and after the goblet model 14 penetrates through the push plate 19, the top of the goblet model is connected to the upper mold, and when the upper mold and the lower mold are locked, the push plate 19 is in an elastically compressed state.

In the concrete implementation process, after the goblet model 14 penetrates through the push plate 19, the top of the goblet model is connected to the upper die top plate 9, a demoulding pressure spring 11 is arranged between the upper die and the push plate 19, two demoulding pressure springs 11 are arranged and are respectively positioned at two ends of the push plate 19, so that the push plate 19 is ensured to be stably lifted; when the upper die and the lower die are locked, the demoulding pressure spring 11 is in a compressed state.

During operation, when the injection molding operation is performed, the upper die and the lower die are locked, the demolding pressure spring 11 is in a compressed state at the moment, and when the upper die leaves the lower die, the demolding pressure spring 11 pushes the push plate 19 to move along with gradual reduction of pressure, so that goblets sleeved on the goblet models 14 are separated from corresponding models.

It is to be understood that the above examples of the present utility model are provided by way of illustration only and not by way of limitation of the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims (8)

1. The utility model provides a mould convenient to cup base drawing of patterns, includes the lower mould and goes up the mould that cooperates with the lower mould, is provided with left mould (1) and right mould (2) that can open and shut about and can reciprocate in the lower mould, and left mould (1) and right mould (2) dock together and form a plurality of goblet base die cavities (3) that set up at intervals, are provided with oblique guide pillar (4) in the lower mould and respectively in left mould (1) and right mould (2), left mould (1) and right mould (2) overlap respectively and establish on oblique guide pillar (4) of corresponding side and can go up and down along oblique guide pillar (4); the high-foot cup body mold is characterized in that a movable module (5) which surrounds the left mold (1) and the right mold (2) and can drive the left mold (1) and the right mold (2) to elastically lift is further arranged in the lower mold, high-foot cup body cavities (6) which are consistent with the high-foot cup base cavities (3) in number are arranged on the movable module (5), and the high-foot cup body cavities (6) are overlapped with the axes of the corresponding high-foot cup base cavities (3); when the upper die and the lower die are locked, the movable die (5), the left die (1) and the right die (2) are in an elastic compression state;

a pushing pressure spring (12) is arranged between the movable module (5) and the lower die, and the pushing pressure spring (12) is in a compression state when the upper die and the lower die are locked;

the two ends of the left die (1) and the right die (2) are respectively provided with a pushing plate (13) for directly pushing the left die and the right die to rise, and the pushing plates (13) are connected to the movable module (5).

2. The mold for facilitating demolding of a cup base according to claim 1, wherein both sides of the left mold (1) and the right mold (2) are provided with stepped surfaces which are lapped on the pushing plates (13) on the corresponding sides.

3. Mould for facilitating the demoulding of a cup base according to claim 1 or 2, characterized in that on the lower mould and laterally of the left mould (1) and the right mould (2) respectively a tightening block (15) is provided, when the left mould (1) and the right mould (2) are clamped, they are tightened by the tightening blocks (15) of their corresponding sides.

4. A mould for facilitating demoulding of a cup base according to claim 3, characterised in that the abutment block (15) is inclined with an outwards inclined face facing the left mould (1) or the right mould (2).

5. A mould for facilitating demoulding of a cup base according to claim 3, characterised in that a strip-shaped boss (16) is arranged at the top of the abutting block (15), a strip-shaped groove matched with the strip-shaped boss (16) on the abutting block (15) on the corresponding side is arranged on the movable module (5), and the strip-shaped groove is sleeved on the strip-shaped boss (16) on the corresponding side when the upper mould and the lower mould are locked.

6. The mold for facilitating demolding of the cup base according to claim 1, 2, 4 or 5, wherein the top surface of the movable module (5) is provided with a protrusion (17), the goblet cup body cavity (6) is located at the protrusion (17), and a plurality of adjusting plates (18) for adjusting the superposition of the goblet cup mold (14) of the upper mold with the axes of the goblet base cavity (3) and the goblet cup body cavity (6) are arranged around the outer side surface of the protrusion (17) at intervals.

7. A mold for facilitating demolding of a cup base according to claim 1 or 2 or 4 or 5,

a push plate (19) capable of elastically lifting is arranged in the upper die, after the goblet model (14) penetrates through the push plate (19), the top of the goblet model is connected to the upper die, and when the upper die and the lower die are locked, the push plate (19) is in an elastic compression state.

8. Mould for facilitating the demoulding of a cup base according to claim 7, characterised in that a demoulding pressure spring (11) is arranged between the upper mould and the push plate (19), said demoulding pressure spring (11) being in a compressed state when the upper mould is locked with the lower mould.

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