CN212472275U

CN212472275U - Injection mold demoulding structure

Info

Publication number: CN212472275U
Application number: CN202020356913.8U
Authority: CN
Inventors: 谢国柱
Original assignee: Beijing Shunhuijia Plastic Packaging Products Co ltd
Current assignee: Beijing Shunhuijia Plastic Packaging Products Co ltd
Priority date: 2020-03-20
Filing date: 2020-03-20
Publication date: 2021-02-05
Anticipated expiration: 2030-03-20

Abstract

The utility model discloses an injection mold demoulding structure, including base, die holder, upper die base, the hole of moulding plastics, stand, first demoulding mechanism and second demoulding mechanism, die holder fixed mounting is on the top of base, the upper die base can assemble one side at the die holder, the outer wall at the upper die base can be seted up in the hole of moulding plastics, the stand can fix the bottom left and right sides of installing at the upper die base, first demoulding mechanism assembles the inner chamber at the die holder, one side at die holder and upper die base is installed to second demoulding mechanism. This injection mold demoulding structure can accomplish the drawing of patterns operation at the in-process of upper and lower mould separation, adopts external equipment to carry out drawing of patterns operation alone with the tradition and compares, just accomplishes the drawing of patterns when upper and lower mould separation and has shortened the operating time of drawing of patterns operation greatly, has improved holistic work efficiency and productivity ratio, uses in a flexible way, and the practicality is strong, satisfies the user demand on the existing market.

Description

Injection mold demoulding structure

Technical Field

The utility model relates to an injection mold technical field specifically is an injection mold demoulding structure.

Background

The mold is a variety of molds and tools for obtaining a desired product by injection molding, blow molding, extrusion, die casting or forging molding, smelting, stamping, etc. in industrial production, and in short, the mold is a tool for manufacturing a molded article.

At present, when the existing injection mold is used for demolding, demolding operation is mostly completed through external equipment, for example, the patent numbers are as follows: 201820880878.2, the on-line screen storage device comprises a base, the last side wall fixedly connected with of base decides the membrane, the last side wall laminating of deciding the membrane has the movable mould, decide the membrane and form the die cavity between the movable mould, the below of deciding the membrane is equipped with ejection mechanism, it gets the mechanism to be equipped with the clamp directly over the movable mould, though the device can realize the drawing of patterns operation through ejection mechanism and clamp under the combined action of getting the mechanism, however, because when separating from top to bottom the mould, get the process that the equipment shifted out the finished product cavity and moved away with ejecting and clamp, also need certain time to go to accomplish, the cost is more time goes the drawing of patterns and can directly influence the holistic work efficiency of injection mold, productivity ratio has been reduced, and the practicality is poor, consequently, based on above shortcoming, release an injection mold demoulding structure and improve to this now.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an injection mold demoulding structure can solve and propose the drawing of patterns time overlength and influence whole work efficiency's technical problem among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an injection mold demoulding structure comprises

A base;

the lower die holder can be fixedly arranged at the top end of the base;

the upper die holder can be assembled on one side of the lower die holder;

the injection molding hole can be opened on the outer wall of the upper die holder;

the upright posts can be fixedly arranged on the left side and the right side of the bottom end of the upper die base;

the die further comprises a first demolding mechanism and a second demolding mechanism, wherein the first demolding mechanism is assembled in the inner cavity of the lower die base, and the second demolding mechanism is installed on one side of the lower die base and one side of the upper die base.

Preferably, first demoulding mechanism includes the connecting rod, the quantity of connecting rod is two, and the equal symmetry of two connecting rods sets up the inner chamber left and right sides of base, the connecting seat has been cup jointed to the outer wall of connecting rod, the one end of ejector pin is installed to the equal symmetry in the top left and right sides of connecting seat, the other end of ejector pin extends the top of die holder just is provided with the kicking block, the round bar is installed to the equal symmetry in the top outside of connecting seat, the clamp plate is installed on the top of round bar, the one end of spring is installed to the bottom of clamp plate, and the other end fixed connection of spring is in the inner chamber bottom of die holder.

Preferably, the pressure plate is matched with the upright post and corresponds to the upright post in position.

Preferably, the second demoulding mechanism comprises a backing plate and a shell, the backing plate and the shell are respectively arranged at the left side and the right side of the lower die seat, one end of a rotating rod is arranged at the front side of the inner cavity of the shell through a bearing, the other end of the rotating rod extends out of the rear end face of the shell and is provided with a gear, the outer wall circumference of the rotating rod is provided with racks, one end of the toothed plate is inserted at the right side of the shell, the other end of the toothed plate extends out of the left end surface of the shell, the bottom end of the toothed plate is provided with a sliding chute, one end of a sliding block is embedded in an inner cavity of the sliding chute, the other end of the sliding block extends out of the inner cavity of the sliding chute and is fixedly arranged at the bottom end of the inner cavity of the shell, a push plate is arranged at the left side of the toothed plate, the right side of upper die base is provided with the rectangular block, rectangular rod is installed to the bottom of rectangular block, leave behind one section distance on the right side top of rectangular rod again from last all to being provided with the tooth that links to each other with gear engagement down.

Preferably, the top end of the backing plate is arranged in an inclined manner.

Preferably, the gear and the teeth are matched and correspond in position.

Compared with the prior art, the beneficial effects of the utility model are that: the injection mold demoulding structure can carry out conventional injection mold operation through the matching between the lower die holder, the upper die holder and the injection molding hole, can move an injection molded mold out of a cavity through the matching between the upright post, the connecting rod, the connecting seat, the ejector rod, the ejector block, the round rod, the pressing plate and the spring, can drive the toothed plate and the push plate to move leftwards or rightwards together through the matching between the shell, the rotating rod, the gear, the rack, the sliding chute, the sliding block, the rectangular block, the long rod and the teeth, and further can push the mold out of the cavity to finish demoulding operation, can finish demoulding operation in the process of separating the upper die from the lower die, compared with the traditional method of independently carrying out demoulding operation by adopting external equipment, greatly shortens the working time of demoulding operation when separating the upper die from the lower die, and improves the whole working efficiency and the production rate, the use is nimble, and the practicality is strong, satisfies the user demand on the current market.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A of the present invention;

fig. 3 is a schematic diagram of the right side structure of the gear of the present invention.

In the figure: 1. the demolding device comprises a base, 2, a lower die holder, 3, an upper die holder, 4, an injection molding hole, 5, an upright post, 6, a first demolding mechanism, 61, a connecting rod, 62, a connecting seat, 63, an ejector rod, 64, an ejector block, 65, a round rod, 66, a pressing plate, 67, a spring, 7, a second demolding mechanism, 71, a backing plate, 72, a shell, 73, a rotating rod, 74, a gear, 75, a rack, 76, a toothed plate, 77, a sliding groove, 78, a sliding block, 79, a push plate, 710, a rectangular block, 711, a strip rod, 712 and teeth.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides an injection mold demoulding structure, which comprises a base 1, the die holder 2, the upper die base 3, the hole 4 of moulding plastics, the stand 5, first demoulding mechanism 6 and second demoulding mechanism 7, die holder 2 fixed mounting is on the top of base 1, one side at die holder 2 can be assembled to upper die base 3, the outer wall at die holder 3 can be seted up in hole 4 of moulding plastics, can carry out conventional injection mold operation through hole 4 of moulding plastics, stand 5 fixed mounting is in the bottom left and right sides of die holder 3, first demoulding mechanism 6 assembles the inner chamber at die holder 2, one side at die holder 2 and upper die base 3 is installed to second demoulding mechanism 7.

As a preferable scheme, further, the first demolding mechanism 6 includes two connecting rods 61, the number of the connecting rods 61 is two, and the two connecting rods 61 are symmetrically disposed on the left and right sides of the inner cavity of the base 1, the outer wall of the connecting rod 61 is sleeved with the connecting base 62, one end of the ejector rod 63 is symmetrically mounted on the left and right sides of the top end of the connecting base 62, the other end of the ejector rod 63 extends out of the top end of the lower die base 2 and is provided with an ejector block 64, the round rods 65 are symmetrically mounted on the outer side of the top end of the connecting base 62, the pressing plate 66 is mounted on the top end of the round rods 65, one end of the spring 67 is mounted on the bottom end of the pressing plate 66, the other end of the spring 67 is fixedly connected to the bottom end of the inner cavity of the lower die base 2, the spring 67 is a coil spring, the elastic, when the upright post 5 moves upwards, the upright post 5 props against the pressing plate 66 and the spring 67 extruded by the pressing plate is restored to the initial state, i.e. the pressing plate 66 is pushed to move upwards, the pressing plate 66 drives the round rod 65, the connecting seat 62, the ejector rod 63 and the ejector block 64 to move upwards together, and the finished product after injection molding is ejected out of the cavity by the ejector block 64 which moves upwards.

Preferably, the pressure plate 66 is matched and positioned correspondingly to the upright post 5, so as to clarify the installation relationship and the position relationship between the pressure plate 66 and the upright post 5.

As a preferred scheme, furthermore, the second demolding mechanism 7 includes a backing plate 71 and a housing 72, the backing plate 71 and the housing 72 are respectively installed at the left and right sides of the lower die holder 2, one end of a rotating rod 73 is installed at the front side of an inner cavity of the housing 72 through a bearing, the other end of the rotating rod 73 extends out of the rear end face of the housing 72 and is provided with a gear 74, a rack 75 is arranged on the circumference of the outer wall of the rotating rod 73, one end of a toothed plate 76 is inserted into the right side of the housing 72, the other end of the toothed plate 76 extends out of the left end face of the housing 72, a sliding groove 77 is formed in the bottom end of the toothed plate 76, one end of a sliding block 78 is embedded in the inner cavity of the sliding groove 77, the other end of the sliding block 78 extends out of the inner cavity of the sliding groove 77 and is fixedly installed at the bottom end of the inner cavity of the housing 72, a push plate 79 is arranged on the left side of the toothed plate 76, a rectangular 712, when the upper mold base 3 moves upward by the external driving device and the column 5 and the rectangular block 710 move together, because a distance is left at the top end of the right side of the long bar 711, therefore, when the bar 711 is moved upward by the rectangular block 710, the gear 74 does not rotate with the teeth 712, when the bar 711 continues to move upward and rises to a certain height, the teeth 712 contact the gear 74, and the gear 74 is shifted to drive the rotating rod 73 and the rack 75 to rotate clockwise, the rack 75 rotating clockwise drives the toothed plate 76 and the push plate 79 to move leftward together, at this time, the push plate 79 moving leftward pushes the finished product out of the chamber away from the top end of the ejector block 64, the pushed finished product slides down from the top end of the backing plate 71, a storage box can be placed at the left lower part of the backing plate 71 to store and store the slid finished products, namely the whole demolding process is completed.

Preferably, the top end of the backing plate 71 is inclined, so that the injection-molded product can be conveniently removed from the mold by sliding.

Preferably, the gear 74 and the teeth 712 are matched and correspond to each other in position, so that the installation relationship and the position relationship between the gear 74 and the teeth 712 are defined.

The detailed connection means is a technique known in the art, and the following mainly describes the working principle and process, and the specific operation is as follows.

When the demolding operation is required, the upper die holder 3 moves upwards through the external driving device, the upright post 5 and the rectangular block 710 move together, and a distance is reserved at the top end of the right side of the long rod 711, so when the rectangular block 710 drives the long rod 711 to move upwards, the gear 74 cannot be meshed with the teeth 712 to rotate, in the process that the upright post 5 gradually moves upwards, the upright post 5 supports against the pressing plate 66, the extruded spring 67 returns to the initial state, namely the pressing plate 66 is pushed to move upwards, the pressing plate 66 drives the round rod 65, the connecting seat 62, the ejector rod 63 and the ejector block 64 to move upwards, the upward moving ejector block 64 pushes out the finished product which is subjected to injection molding out of the cavity, at the moment, the upper die holder 3 continuously drives the rectangular block 710 and the long rod 711 to move upwards, when the long rod 711 rises to a certain height, the teeth 712 can be contacted with the gear 74 and shift the gear 74, impel it to drive bull stick 73 and rack 75 clockwise rotation together, clockwise rotation's rack 75 can drive pinion rack 76 and push pedal 79 and remove to the left side together, the push pedal 79 that removes to the left side this moment can push away the finished product that shifts out the cavity from the top of kicking block 64, the finished product that is pushed away can follow the top of backing plate 71 and slide down in the same direction as the trend, can place the containing box in the left side below backing plate 71 and accomodate the finished product of landing and store, accomplish the whole process of drawing of patterns promptly, the device can accomplish the drawing of patterns operation at the in-process of upper and lower mould separation, the operating time of drawing of patterns operation has been shortened greatly, holistic work efficiency and productivity ratio have been improved, therefore, the clothes.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "central position", "other end", "upper", "one side", "top", "inner", "front", "central", "two ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated; also, unless expressly stated or limited otherwise, the terms "snap-fit," "plug-in," "weld," "mount," "set," "interference fit," "screw-on," "pin-on," and the like are to be construed broadly, e.g., as a fixed connection, a removable connection, or an integral whole; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an injection mold demoulding structure which characterized in that: comprises that

A base (1);

the lower die holder (2) can be fixedly arranged at the top end of the base (1);

the upper die holder (3) can be assembled on one side of the lower die holder (2);

the injection molding hole (4) can be opened on the outer wall of the upper die holder (3);

the upright posts (5) can be fixedly arranged on the left side and the right side of the bottom end of the upper die holder (3);

still include first demoulding mechanism (6) and second demoulding mechanism (7), first demoulding mechanism (6) assemble the inner chamber of die holder (2), second demoulding mechanism (7) are installed one side of die holder (2) and upper die base (3).

2. An injection mold release structure according to claim 1, wherein: first demoulding mechanism (6) include connecting rod (61), the quantity of connecting rod (61) is two, and two equal symmetries of connecting rod (61) set up the inner chamber left and right sides of base (1), connecting seat (62) have been cup jointed to the outer wall of connecting rod (61), the one end of ejector pin (63) is installed to the equal symmetry in the top left and right sides of connecting seat (62), the other end of ejector pin (63) extends the top of die holder (2) just is provided with kicking block (64), round bar (65) are installed to the equal symmetry in the top outside of connecting seat (62), clamp plate (66) are installed on the top of round bar (65), the one end of spring (67) is installed to the bottom of clamp plate (66), and the other end fixed connection of spring (67) is in the inner chamber bottom of die holder (2).

3. An injection mold release structure according to claim 2, wherein: the pressing plate (66) is matched with the upright post (5) and corresponds to the upright post in position.

4. An injection mold release structure according to claim 1, wherein: the second demolding mechanism (7) comprises a base plate (71) and a shell (72), the base plate (71) and the shell (72) are respectively installed at the left side and the right side of the lower die holder (2), one end of a rotating rod (73) is installed at the front side of an inner cavity of the shell (72) through a bearing, the other end of the rotating rod (73) extends out of the rear end face of the shell (72) and is provided with a gear (74), the circumference of the outer wall of the rotating rod (73) is provided with a rack (75), one end of a toothed plate (76) is inserted into the right side of the shell (72), the other end of the toothed plate (76) extends out of the left end face of the shell (72), a sliding groove (77) is formed in the bottom end of the toothed plate (76), one end of a sliding block (78) is embedded in the inner cavity of the sliding groove (77), and the other end of the sliding block (78) extends out of the inner cavity of, the left side of pinion rack (76) is provided with push pedal (79), the right side of upper die base (3) is provided with rectangular block (710), rectangular rod (711) is installed to the bottom of rectangular block (710), the right side top of rectangular rod (711) leaves behind a certain distance again from last tooth (712) that link to each other with gear (74) meshing down all to being provided with.

5. An injection mold release structure according to claim 4, wherein: the top end of the backing plate (71) is arranged in an inclined shape.

6. An injection mold release structure according to claim 4, wherein: the gear (74) is matched with and corresponds to the teeth (712).