CN217454803U

CN217454803U - Long-distance delay ejection structure for injection molding thimble of precision mold

Info

Publication number: CN217454803U
Application number: CN202221425361.7U
Authority: CN
Inventors: 竺艳晨
Original assignee: Hengyisheng Mould Injection Huizhou Co ltd
Current assignee: Hengyisheng Mould Injection Huizhou Co ltd
Priority date: 2022-06-09
Filing date: 2022-06-09
Publication date: 2022-09-20
Anticipated expiration: 2032-06-09

Abstract

The utility model discloses a long-distance time-delay ejection structure of an injection thimble of a precision mould, which relates to the field of precision moulds and comprises a discharge bottom plate, wherein a forming top groove is horizontally arranged on the top surface of the discharge bottom plate, a guide upright post is vertically inserted into the top surface of the discharge bottom plate, and a connecting cross rod is horizontally welded at the bottom end of the guide upright post, the utility model is provided with a guide rod structure to ensure that the movement stroke of the mould is longer, and provides effective conditions for long-distance ejection and time-delay ejection under the action of longer movement stroke, and simultaneously, when the extension ejection structure is provided, the mould can be completely demolded without causing the condition that materials can not be removed by adhesion in the mould, thereby greatly improving the safety factor of a demolding type, avoiding the dangerous condition caused by manual operation due to the inefficient demolding, and designing a long thimble structure of the device to ensure that the demoulding is more thorough, meanwhile, the demoulding operation can be carried out according to the designated time under the time delay structure.

Description

Long-distance delay ejection structure for injection molding thimble of precision mold

Technical Field

The utility model relates to an accurate mould technical field specifically is accurate mould injection moulding thimble long distance time delay ejection structure.

Background

Injection molding, also known as injection molding, is a method of molding by injection and molding. The injection molding method has the advantages of high production speed, high efficiency, automation of operation, various colors, various shapes from simple to complex, small sizes, accurate product size, easy replacement of products, capability of forming products with complex shapes, and suitability for the molding processing fields of mass production, products with complex shapes and the like.

For the existing mold used for injection molding, a short-stroke thimble is adopted to eject the material after molding in the traditional demolding process, the direct effect brought by the short thimble is that the ejecting range of the molded material is small, the material is slightly separated from a bottom mold to complete the demolding process, the complete demolding effect of the molded material cannot be met, the material is ejected upwards just when a top mold plate is lifted, a certain space is not formed between the top mold and the bottom surface to meet the separation and accommodation of the material, the material is possibly adsorbed on the bottom surface of the top mold to move upwards together when being separated, a certain workload is formed to be separately eliminated subsequently, the subsequent loading injection molding treatment is influenced, the short-stroke thimble structure is adopted to ensure that the demolding is not thorough, and the length of the thimble is singly prolonged, the ejection stroke cannot be prolonged, and the molded materials are required to be manually taken, so that certain danger is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a long-distance delay ejection structure of an injection thimble of a precision mold, which aims to solve the problems that the prior injection mold provided in the background art adopts a short-stroke thimble to eject the material when demolding is carried out after molding, the directness effect brought by the short thimble is that the ejection range of the molded material is small, the material is slightly separated from a bottom mold to finish a demolding process, the complete demolding effect of the molded material cannot be met, the top mold plate is ejected upwards when being lifted, a certain distance is not formed between the top mold and the bottom surface to meet the separation and accommodation of the material, the material is possibly adsorbed on the bottom surface of the top mold to move upwards together when being separated, the follow-up process also needs to independently shovel off the top mold to increase a certain workload, and the follow-up injection molding treatment of the material is influenced, and the ejector pin structure with a short stroke is adopted, so that the demolding is not thorough, the length of the ejector pin alone cannot be prolonged, the ejection stroke cannot be prolonged, and the molded material is required to be manually taken, so that certain danger is caused.

In order to achieve the above object, the utility model provides a following technical scheme:

the long-distance time-delay ejection structure of the injection thimble of the precision mold comprises a discharge bottom plate, wherein a forming top groove is horizontally formed in the top surface of the discharge bottom plate, a guide upright post is vertically inserted into the top surface of the discharge bottom plate in an inserting manner, a connecting cross rod is horizontally welded at the bottom end of the guide upright post, a supporting middle rod is horizontally welded at the side edge between the connecting cross rods, a top vertical connecting vertical rod is vertically and upwards butted with the top surface of the supporting middle rod, a fixed top disc is welded at the top end of the guide upright post, a connecting inserted rod is vertically and upwards butted with the top surface of the fixed top disc, a connecting sleeve block is sleeved at the outer side edge of the connecting inserted rod, a blocking top plate is horizontally butted at the top end of the connecting inserted rod, a sleeving through hole is vertically formed in the top surface of the discharge bottom plate, a middle through hole is vertically formed in the bottom surface of the inner side of the forming top groove, and a matching top groove is horizontally formed in the bottom surface of the inner side of the forming top groove, the top surface of the middle support rod is vertically provided with a top screw hole, the top end of the top connection vertical rod is horizontally welded with a sealing top disc, the bottom end of the top connection vertical rod is vertically and downwards welded with a bottom screw rod, the top surface of the connecting sleeve block is provided with a sleeving hole, two ends of the connecting inserted rod are symmetrically provided with end screw holes, and one side edge of the fixed top disc and one side edge of the blocking top plate are vertically welded with connecting screw rods.

As a preferred embodiment of the present invention: the shaping top groove level is seted up and is put at the top surface central point of ejection of compact bottom plate, and the number of guide post is four, and four guide post parallel arrangement settings each other, and four guide post are all vertical to the one-to-one through-going type grafting setting in the inboard side of cup jointing the through-hole.

As a preferred embodiment of the present invention: the number of connecting the horizontal pole is two, and two top surface both ends rigidity settings of connecting the horizontal pole are in the bottom of two sets of guide post, and the both ends vertical fixation who supports the king-rod sets up connecting horizontal pole side central point and puts, and the bottom of top grafting pole setting is butt joint perpendicularly downwards and is set up at the top open end of top screw, and the top of top grafting pole setting is perpendicular upwards pegged graft and is set up the inboard side of through-hole in.

As a preferred embodiment of the present invention: the bottom surface central point of fixed top dish puts and the fixed setting in top of guide post, and the number of connecting the cover piece is four, and the fixed setting in the side position of top mould of one end of four connecting the cover piece, connects the inboard side of the hole of cup jointing of a corresponding vertical grafting setting of inserted bar homogeneous, blocks roof and fixed top dish stack formula parallel arrangement setting each other.

As a preferred embodiment of the present invention: the cup joint through hole is seted up at the top surface of ejection of compact bottom plate near four corners positions to the through-type, and the bottom surface central point that sets up at ejection of compact bottom plate is seted up to well through-hole vertical to the through-type, and the inside of well through-hole and the inside of cooperation top groove keep leading to each other to connect the setting, and the top screw is seted up and is put at the top surface central point that supports the king-rod.

As a preferred embodiment of the present invention: sealed top disc horizontal joint sets up at the inboard side of cooperation top groove, and the perpendicular downward grafting setting of bottom screw passes through the thread fixed connection setting in the inboard side of top screw hole, and the both ends central point that connects the inserted bar is all seted up to the end screw, and the one end correspondence of connecting screw is pegged graft and is set up through the thread fixed connection setting in the inboard side of end screw hole.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model has the advantages that the top die plate is horizontally and fixedly arranged at the position between the connecting sleeve blocks, the connecting sleeve blocks are enabled to downwards extrude the fixed top disc under the downward movement of the top die plate, so that the guide upright post vertically moves at the inner side of the sleeve through hole, the guide post can be set to be longer according to the requirement to meet the requirement of longer stroke, the top die plate is buckled at the top surface position of the discharging bottom plate, when the material is extruded into the inner part of the forming top groove for forming, the top die plate is lifted upwards to drive the connecting sleeve blocks to upwards move at the outer side of the connecting inserted bar, after the bottom surface of the blocking top plate is reached, the guide upright post is driven to upwards move from the inner side of the sleeve through hole, the extending and ejecting time can be met according to the requirement when the length of the connecting inserted bar is set, and the time delay is longer when the length of the connecting inserted bar is longer, short then vice versa for the support king-rod drives and connects pole setting and sealed drawing of patterns upward movement, and the principle of having adopted the guide arm to drive makes the stroke of overall motion longer, or the length of extension thimble alone, carry out ejecting processing at sealed drawing of patterns to the inside material in shaping grooving, complete ejecting formation thorough drawing of patterns effect has been satisfied, the function of time delay drawing of patterns has also been had simultaneously, the device has designed long thimble structure and can let drawing of patterns more thorough, can carry out drawing of patterns operation according to the appointed time simultaneously under time delay structure.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic perspective view of a long-distance delayed ejection structure of an injection thimble of a precision mold;

FIG. 2 is a schematic structural view of a connection detail of a front view section of a discharging bottom plate of a long-distance delay ejection structure of an injection molding thimble of a precision mold;

FIG. 3 is a schematic structural view of a connecting detail of a supporting middle rod front view section of a long-distance delay ejection structure of an injection molding thimble of a precision mold;

FIG. 4 is a schematic structural view of a connection detail of a jacking upright rod of a long-distance delay ejection structure of an injection thimble of a precision mold;

fig. 5 is a schematic structural view of a connection section of a connection insert rod of a long-distance delay ejection structure of an injection molding thimble of a precision mold.

In the figure: 1. a discharge bottom plate; 2. forming a top groove; 3. a guide upright post; 4. connecting the cross bars; 5. supporting the middle rod; 6. the vertical rod is connected in a jacking mode; 7. fixing the top plate; 8. connecting the inserted link; 9. connecting the sleeve blocks; 10. a blocking top plate; 11. sleeving the through hole; 12. a middle through hole; 13. matching with the top groove; 14. a top screw hole; 15. sealing the top disc; 16. a bottom screw; 17. sleeving a hole; 18. an end screw hole; 19. and connecting the screw rod.

Detailed Description

Referring to fig. 1, in the embodiment of the present invention, a long-distance delay ejection structure for an injection molding thimble of a precision mold comprises a discharge bottom plate 1, a forming top groove 2 is horizontally formed on a top surface of the discharge bottom plate 1, guide pillars 3 are vertically inserted into the top surface of the discharge bottom plate 1, the forming top groove 2 is horizontally formed at a central position of the top surface of the discharge bottom plate 1, four guide pillars 3 are arranged in parallel, the four guide pillars 3 are vertically inserted into an inner side of a sleeve hole 11 in a one-to-one correspondence manner, connecting cross rods 4 are horizontally welded at bottom ends of the guide pillars 3, supporting middle rods 5 are horizontally welded at side edges between the connecting cross rods 4, top surfaces of the supporting middle rods 5 are vertically and upwardly butted with abutting vertical rods 6, the number of the connecting cross rods 4 is two, and two ends of the top surfaces of the two connecting cross rods 4 are fixedly arranged at bottom ends of two sets of the guide pillars 3, two ends of the supporting middle rod 5 are vertically and fixedly arranged at the center of the side edge of the connecting cross rod 4, the bottom end of the top connecting vertical rod 6 is vertically and downwards butted with the top opening end of the top screw hole 14, the top end of the top connection upright rod 6 is vertically and upwards inserted and arranged at the inner side edge of the middle through hole 12, the top end of the guide upright post 3 is welded with a fixed top plate 7, the top surface of the fixed top plate 7 is vertically and upwards butted with a connection inserted rod 8, the outer side edge of the connection inserted rod 8 is sleeved with a connection sleeve block 9, the top end of the connection inserted rod 8 is horizontally butted with a blocking top plate 10, the central position of the bottom surface of the fixed top plate 7 is fixedly arranged with the top end of the guide upright post 3, the number of the connection sleeve blocks 9 is four, one end of each of the four connecting sleeve blocks 9 is fixedly arranged at the side edge of the top die, the connecting inserted rods 8 are correspondingly vertically inserted into the inner side edge of the sleeve hole 17 in a corresponding mode, and the blocking top plate 10 and the fixed top disc 7 are arranged in a stacked parallel mode;

referring to fig. 2-5, in the embodiment of the present invention, a long-distance delay ejection structure for an injection molding thimble of a precision mold is provided, wherein a socket hole 11 is vertically formed in a top surface of a discharge bottom plate 1, a middle hole 12 is vertically formed in a bottom surface of the discharge bottom plate 1, a matching top groove 13 is horizontally formed in an inner bottom surface of a molding top groove 2, a top screw hole 14 is vertically formed in a top surface of a support middle rod 5, the socket hole 11 is vertically and penetratingly formed in a top surface of the discharge bottom plate 1 near a quadrilateral angle position, the middle hole 12 is vertically and penetratingly formed in a center position of the bottom surface of the discharge bottom plate 1, an inner portion of the middle hole 12 and an inner portion of the matching top groove 13 are connected to each other, the top screw hole 14 is formed in a center position of the top surface of the support middle rod 5, a sealing top plate 15 is horizontally welded to a top end of the top connection vertical rod 6, a bottom end of the top connection vertical rod 6 is welded downwards with a bottom screw 16, connect the top surface of cover piece 9 and seted up cup joint hole 17, connect the both ends symmetry of inserted bar 8 and seted up end screw 18, a fixed top dish 7 and the perpendicular welding of a side that blocks roof 10 have connecting screw 19, sealed top dish 15 horizontal joint sets up the inboard side at cooperation top groove 13, the perpendicular downward grafting setting of bottom screw 16 passes through the screw thread fixed connection setting in the inboard side of top screw 14, end screw 18 is all seted up at the both ends central point of connecting inserted bar 8 and is put, connecting screw 19's one end corresponds the grafting setting and passes through the screw thread fixed connection setting in the inboard side of end screw 18.

The components are all standard parts or parts known to the person skilled in the art, the structure and the principle of which are known to the person skilled in the art from technical manuals or by routine experimentation.

The utility model discloses a theory of operation is:

with the fixed setting of top mould board level in the position of connecting the end position between the cover piece 9, make connecting the cover piece 9 to fixed liftout dish 7 extrusion motion downwards under the downstream of top mould board, thereby make guide post 3 cup joint the inboard side vertical motion of through-hole 11, let top mould board lock joint in the top surface position of ejection of compact bottom plate 1, after the inside shaping of shaping overhead slot 2 is extruded to the material, when the top mould board upwards lifts, connect the outside limit upward movement of inserted bar 8 at connecting cover piece 9, after the bottom surface that blocks roof 10 is arrived, thereby make and driving guide post 3 and follow the inboard side upward motion of cup jointing through-hole 11, make support king rod 5 drive top and connect pole 6 and sealed overhead disk 15 upward movement, carry out ejecting processing at sealed overhead disk 15 to the inside material of shaping overhead slot 2.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The long-distance time-delay ejection structure of the injection molding thimble of the precision mold comprises a discharge bottom plate (1) and is characterized in that a forming ejection slot (2) is horizontally formed in the top surface of the discharge bottom plate (1), a guide upright post (3) is vertically inserted into the top surface of the discharge bottom plate (1), a connecting cross rod (4) is horizontally welded at the bottom end of the guide upright post (3), a supporting middle rod (5) is horizontally welded at the side edge between the connecting cross rods (4), a jacking upright rod (6) is vertically and upwardly butted on the top surface of the supporting middle rod (5), a fixed top plate (7) is welded at the top end of the guide upright post (3), a connecting inserted rod (8) is vertically and upwardly butted on the top surface of the fixed top plate (7), a connecting sleeve block (9) is sleeved at the outer side of the connecting inserted rod (8), and a blocking top plate (10) is horizontally butted at the top end of the connecting inserted rod (8), the top surface of ejection of compact bottom plate (1) is vertical to having seted up cup joint through-hole (11), the bottom surface of ejection of compact bottom plate (1) is vertical to having seted up well through-hole (12), cooperation top groove (13) have been seted up to the inboard bottom surface level of shaping top groove (2), the top surface of supporting king-rod (5) is vertical to having seted up top screw hole (14), the top horizontal welding that the top connects pole setting (6) has sealed overhead pan (15), the bottom of overhead pole setting (6) is welded perpendicularly downwards has end screw rod (16), cup joint hole (17) have been seted up to the top surface of connecting sleeve piece (9), connect the both ends symmetry of inserted bar (8) and seted up end screw hole (18), fixed overhead pan (7) and the perpendicular welding of one side that blocks roof (10) have connecting screw rod (19).

2. The long-distance delay ejection structure of the injection molding thimble of the precision mold according to claim 1, wherein the molding top groove (2) is horizontally formed in the center of the top surface of the discharge bottom plate (1), the number of the guide columns (3) is four, the four guide columns (3) are arranged in parallel, and the four guide columns (3) are vertically inserted into the inner side of the sleeve-joint through hole (11) in a one-to-one corresponding penetrating manner.

3. The long-distance delay ejection structure of the injection molding thimble of the precision mold as claimed in claim 1, wherein the number of the connecting cross rods (4) is two, the two ends of the top surface of the two connecting cross rods (4) are fixedly arranged at the bottom ends of the two groups of guide columns (3), the two ends of the supporting middle rod (5) are vertically and fixedly arranged at the center of the side edges of the connecting cross rods (4), the bottom ends of the jacking upright rods (6) are vertically and downwardly butted with each other and arranged at the top opening end of the top screw hole (14), and the top ends of the jacking upright rods (6) are vertically and upwardly plugged with each other and arranged at the inner side edge of the middle through hole (12).

4. The long-distance delay ejection structure of the injection molding thimble of the precision mold as claimed in claim 1, wherein the center of the bottom surface of the fixed top plate (7) is fixedly arranged at the top end of the guide upright post (3), the number of the connecting sleeve blocks (9) is four, one end of each of the four connecting sleeve blocks (9) is fixedly arranged at the side edge of the top mold, the connecting rods (8) are vertically inserted into the inner side of the sleeve hole (17) in a corresponding manner, and the blocking top plate (10) and the fixed top plate (7) are arranged in a stacked parallel manner.

5. The long-distance delay ejection structure of the injection thimble of the precision mold as claimed in claim 1, wherein the sleeving through hole (11) is vertically and penetratingly formed at the position close to the four-side angle of the top surface of the discharging bottom plate (1), the middle through hole (12) is vertically and penetratingly formed at the center position of the bottom surface of the discharging bottom plate (1), the inner part of the middle through hole (12) and the inner part of the matching top groove (13) are in through connection with each other, and the top screw hole (14) is formed at the center position of the top surface of the supporting middle rod (5).

6. The long-distance delay ejection structure of the injection molding thimble of the precision mold as claimed in claim 1, wherein the sealing top plate (15) is horizontally clamped and arranged at an inner side edge of the matching top groove (13), a bottom end of the bottom screw (16) is vertically inserted and arranged at an inner side edge of the top screw hole (14) downwards through a thread fixing connection, end screw holes (18) are formed at center positions of two ends of the connecting insert rod (8), and one end of the connecting screw (19) is correspondingly inserted and arranged at an inner side edge of the end screw hole (18) through a thread fixing connection.