CN220763435U - Forced reset full-periphery core-pulling injection mold - Google Patents

Abstract

The utility model provides a forced reset full-circle core-pulling injection mold, and belongs to the technical field of injection molds. The problem of current equipment after the mould is ejecting, when carrying out the compound die, cause the impact that the thimble received too big easily, cause the thimble to damage is solved. The hot runner mold comprises a panel, a fixed mold plate, a hot runner interface, a movable mold plate, a forced reset rod, a cooling water interface, a first lateral sliding block, a first inward shrinking sliding block, a second lateral sliding block and a third lateral sliding block, wherein a push plate is arranged in a space formed by a bottom plate and a mold foot, an ejector plate is arranged on the upper end face of the push plate, one end of a connecting rod is connected with the movable mold plate, the other end of the connecting rod is connected with one end of the rotating rod, the other end of the rotating rod is connected with the push plate, the forced reset rod is positioned on one side of the connecting end of the rotating rod and the connecting rod, the forced reset rod is arranged on the fixed mold plate, and the sliding blocks are uniformly distributed on the upper end face of the movable mold plate by taking the center of a product as the center of a circle. It is mainly used for core-pulling mould.

Description

Forced reset full-periphery core-pulling injection mold

Technical Field

The utility model belongs to the technical field of injection molds, and particularly relates to a forced reset full-circle core-pulling injection mold.

Background

With the improvement of living standard, various electrical products are increasingly increased, the structural design of the products is varied, and the requirements on the design and manufacturing capability of the die are higher.

At present, aiming at the requirement of forming a multidirectional barb structure of a product, the product is formed and realized in two ways, wherein the first way is to modify the structure of the product and disassemble the product into unidirectional back-off, however, the way influences the realization of the structural intention of the product, and the space for designing the product is limited; the second way is to put the mould in the front and back mould direction to solve the back-off in one direction, then to take out the back-off in the other direction by adopting other structures such as the conventional inclined top or the inner line position, but the design space of the mould structure is limited in this way, and when the product structure is complex, the problem is solved by no space conversion of the mould-out direction.

The traditional Chinese patent with publication number of CN208035235U discloses a lateral core-pulling injection mold, which comprises a fixed mold part and a movable mold part, wherein the fixed mold part and the movable mold part can be opened and closed, the movable mold part comprises a movable mold plate, an inclined ejector rod, an inclined ejector slider, a slide seat and a locking assembly, and the surface of the movable mold plate is provided with a transverse direction and a longitudinal direction which are mutually perpendicular; the inclined ejector rod is provided with a first end and a second end; the inclined top sliding block is provided with a sliding groove, and the second end of the inclined top rod is arranged in the sliding groove in a sliding way; the slide seat is arranged on the movable template in a sliding way, and is provided with a containing groove and an inclined guide hole, and the inclined top sliding block is arranged in the containing groove in a sliding way; the locking assembly is used for maintaining the relative position of the inclined top sliding block and the movable mould plate when the mould is opened, and releasing the maintaining after the row position is slid outwards for a preset distance. Compared with the prior art, the lateral core-pulling injection mold provided by the utility model realizes the molding of a plurality of trend back-off structures on the same projection surface on the same mold, ensures the quality of molded products, reduces the production cost, but the device easily causes overlarge impact on the ejector pins and damage the ejector pins when the mold is assembled after the mold is ejected.

Disclosure of Invention

In view of the above, the utility model aims to provide a forced reset full-circle core-pulling injection mold, so as to solve the problem that the ejector pins are easily damaged due to overlarge impact on the ejector pins when the existing equipment is used for die assembly after the mold is ejected.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a forced return all-round loose core injection mold, includes panel, fixed die plate, hot runner interface, movable mould board, mould foot, ejector pin board, push pedal, bottom plate, connecting rod, dwang, forced return pole, cooling water interface, first side slider, second side slider and third side slider, the fixed die plate is connected with the movable mould board, the panel is installed to the up end of fixed die plate, the mould foot is installed to the bottom of movable mould board, the bottom plate is installed to the bottom plate bottom, install the push pedal in the space that bottom plate and mould foot formed, the ejector pin board is installed to the push pedal up end, the one end of connecting rod is connected with the movable mould board, the other end and the push pedal of dwang are connected, forced return pole is located one side of dwang and connecting rod link, forced return pole installs on the fixed die plate, be equipped with the goods between fixed die plate and the movable mould board, install at the up end of product center at the movable mould board, the movable mould board is equipped with the hot runner interface, the movable mould board is equipped with to the cooling water interface.

Further, a first shovel base, an inward shrinking sliding block shovel base, a second shovel base and a third shovel base are arranged on the lower end face of the fixed die plate, the first shovel base corresponds to the first lateral sliding block in position and is internally provided with a first oblique guide post, the inward shrinking sliding block shovel base corresponds to the first inward shrinking sliding block in position and is internally provided with an inward shrinking sliding block oblique guide post, the second shovel base corresponds to the second lateral sliding block in position and is internally provided with a second oblique guide post, the third shovel base corresponds to the third lateral sliding block in position and is internally provided with a third oblique guide post, the lower end face of the fixed die plate is also provided with a fixed die core, a first positioning block, a second positioning block and a third positioning block, the top ends of the first oblique guide post, the second oblique guide post and the third oblique guide post are connected with oblique guide post positioning blocks through fastening bolts, the first lateral sliding block, the second lateral sliding block and the third lateral sliding block are internally provided with a sliding block waterway, the waterway is communicated with a cooling water interface, the first lateral sliding block, the second lateral sliding block and the second sliding block are internally provided with a third sliding block, the second sliding block is internally provided with a third sliding block, the sliding block is internally provided with a third sliding block and a third sliding block is internally provided with a third sliding block, and is internally provided with a third sliding block, a first molding member group and a second molding member group are respectively arranged above and below the product.

Furthermore, the two ends of the inner side of the first shrinking sliding block are provided with second shrinking sliding blocks through T-shaped structures, shrinking inserts are arranged in the second shrinking sliding blocks, follow-up sliding blocks are arranged on the outer sides of the shrinking inserts, and positioning columns are arranged at the bottoms of the first shrinking sliding blocks.

Further, the upper end face of the panel is provided with a first heat insulation plate, and the lower end face of the bottom plate is provided with a second heat insulation plate.

Furthermore, a positioning ring is arranged above the first heat insulation plate.

Furthermore, a hot runner pipe is arranged between the positioning ring and the product, and the hot runner pipe is communicated with the hot runner interface.

Furthermore, a mold lock is arranged on the outer sides of the fixed mold plate and the movable mold plate, a hanging ring is arranged on the mold lock, and a reinforcing block is arranged on one side of the forced reset rod.

Furthermore, mould guide posts are arranged at four corners of the fixed template, and a protection block is arranged at the outer side of the movable template.

Furthermore, a fixed die waterway is arranged in the fixed die plate, and a movable die waterway is arranged in the movable die plate.

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

1. the utility model avoids the damage risk of the thimble during the die assembly by forcing the reset rod.

2. The utility model can mold products difficult to mold by arranging the first lateral sliding block, the second lateral sliding block and the third lateral sliding block.

3. The melt is sheared and plasticized in the injection molding machine to obtain a good flowing state, but once the melt enters the mold, the external environment is changed, the state of the melt is changed, a hot runner pipe is arranged, the state of the melt in the hot runner pipe is consistent with the state of the melt in the injection molding machine, the distance between the injection molding machine and a mold cavity is shortened to the greatest extent, and the hot runner pipe directly extends to the surface of a product.

4. The surface of the product is provided with a plurality of concave features, if the integral fixed die core is adopted, the processing difficulty of the fixed die core is huge, and the production cost is uncontrollable, so that the processing difficulty is reduced by disassembling the features of the product surface, which are difficult to mold, into a first molding member group and a second molding member group.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

FIG. 1 is a schematic structural view of a forced-resetting full-periphery core-pulling injection mold according to the utility model;

FIG. 2 is a schematic diagram of a movable mold plate according to the present utility model;

FIG. 3 is a schematic structural view of a stationary platen according to the present utility model;

FIG. 4 is a schematic view of a hot runner structure;

FIG. 5 is a schematic view of a lateral slider;

FIG. 6 is a schematic view of the structure of the retracted slider;

FIG. 7 is a schematic view of a sectional structure of a retracted slider;

FIG. 8 is a schematic distribution diagram of a molding set;

FIG. 9 is a schematic view of a waterway structure.

1-locating ring, 2-first heat insulation plate, 3-panel, 4-fixed die plate, 5-hot runner interface, 6-die lock, 7-hanging ring, 8-movable die plate, 9-die foot, 10-ejector plate, 11-push plate, 12-bottom plate, 13-second heat insulation plate, 14-connecting rod, 15-rotating rod, 16-forced reset rod, 17-reinforcing block, 18-cooling water interface, 19-die guide post, 20-protecting block, 21-first lateral slide block, 22-first inward shrinking slide block, 23-second lateral slide block, 24-third lateral slide block, 25-product, 21-1: first oblique guide post, 21-2: first shovel base, 22-1: shrink slider oblique guide pillar, 22-2: retracted slider spade base, 23-1: second oblique guide post, 23-2: second shovel base, 24-1: third diagonal column, 24-2: third shovel base, 26-1: first positioning block, 26-2: second positioning block, 26-3: the third positioning block, 27-fixed die core, 28-hot runner pipe, 29-first molding member group, 30-inclined guide pillar positioning block, 31-fastening bolt, 32-slide water channel, 33-first slide press bar, 34-second slide press bar, 35-limit post, 40-third slide press bar, 41-first slide insert, 42-second retracted slide, 44-retracted slide press bar, 42-1: introns, 42-2: t-shaped structure, 42-3: the device comprises a follow-up slide block, a 47-positioning column, a 49-second slide block insert, a 50-third slide block insert, a 51-second molding piece set, a 52-fixed die waterway and a 53-movable die waterway.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. It should be noted that, in the case of no conflict, embodiments of the present utility model and features of the embodiments may be combined with each other, and the described embodiments are only some embodiments of the present utility model, not all embodiments.

The first embodiment is as follows: referring to fig. 1-9 for describing the present embodiment, a forced-reset full-circle core-pulling injection mold comprises a panel 3, a fixed mold plate 4, a hot runner interface 5, a movable mold plate 8, mold legs 9, a thimble plate 10, a push plate 11, a bottom plate 12, a connecting rod 14, a rotating rod 15, a forced reset rod 16, a cooling water interface 18, a first lateral sliding block 21, a first inward-shrinking sliding block 22, a second lateral sliding block 23 and a third lateral sliding block 24, wherein the fixed mold plate 4 is connected with the movable mold plate 8, the upper end surface of the fixed mold plate 4 is provided with the panel 3, the bottom of the movable mold plate 8 is provided with the mold legs 9, the bottom of the mold legs 9 is provided with the bottom plate 12, a push plate 11 is arranged in a space formed by the bottom plate 12 and the mold legs 9, the upper end surface of the push plate 11 is provided with the thimble plate 10, one end of the connecting rod 14 is connected with the movable mold plate 8, and the other end of the connecting rod 15 is connected with one end of the rotating rod 15, the other end of the rotating rod 15 is connected with the push plate 11, the forced return rod 16 is positioned at one side of the connecting end of the rotating rod 15 and the connecting rod 14, the forced return rod 16 is installed on the fixed die plate 4, a product 25 is arranged between the fixed die plate 4 and the movable die plate 8, the first lateral sliding block 21, the first inward shrinking sliding block 22, the second lateral sliding block 23 and the third lateral sliding block 24 are uniformly arranged on the upper end surface of the movable die plate 8 by taking the center of the product 25 as the center, the side end of the movable die plate 8 is provided with a cooling water interface 18, the side end of the fixed die plate 4 is provided with a hot runner interface 5, the lower end surface of the fixed die plate 4 is provided with a first shovel base 21-2, a inward shrinking sliding block shovel base 22-2, a second shovel base 23-2 and a third shovel base 24-2, the first shovel base 21-2 corresponds to the first lateral sliding block 21 and is internally provided with a first oblique guide post 21-1, the inside shrinkage slide block shovel base 22-2 corresponds to the position of the first inside shrinkage slide block 22, the inside is provided with an inside shrinkage slide block oblique guide post 22-1, the second shovel base 23-2 corresponds to the position of the second side slide block 23, the inside is provided with a second oblique guide post 23-1, the third shovel base 24-2 corresponds to the position of the third side slide block 24, the inside is provided with a third oblique guide post 24-1, the lower end surface of the fixed die plate 4 is also provided with a fixed die core 27, a first positioning block 26-1, a second positioning block 26-2 and a third positioning block 26-3, the top ends of the first oblique guide post 21-1, the second oblique guide post 23-1 and the third oblique guide post 24-1 are connected with an oblique guide post positioning block 30 through a fastening bolt 31, the inside of the first side slide block 21, the first inside shrinkage slide block 22, the second side slide block 23 and the third side slide block 24 are provided with a slide block waterway 32, the slide waterway 32 is communicated with the cooling water interface 18, the bottom ends of the first lateral slide 21, the first retracted slide 22, the second lateral slide 23 and the third lateral slide 24 are respectively provided with a limit post 35, the two sides of the first lateral slide 21 are respectively provided with a first slide trim 33, the two sides of the second lateral slide 23 are respectively provided with a second slide trim 34, the two sides of the third lateral slide 24 are respectively provided with a third slide trim 40, the two sides of the first retracted slide 22 are respectively provided with a retracted slide trim 44, the first slide trim 33, the retracted slide trim 44, the third slide trim 40 and the second lateral slide 23 are respectively arranged on the fixed die plate 4, the third lateral slide 24 is provided with a first slide insert 41, the first lateral slide 21 is provided with a second slide insert 49, the second lateral sliding block 23 is provided with a third sliding block insert 50, and a first molding member group 29 and a second molding member group 51 are respectively arranged above and below the product 25.

Firstly, a mould is arranged on an injection molding machine through a locating ring 1, the height of a mould foot 9 is set according to ejection formation of a product 25, mould closing is carried out, the product 25 is molded, after the product 25 is molded, a push plate 11 drives an ejector plate 10 to eject the molded product 25, product 25 molding is completed, after the mould is ejected, a rotating rod 15 deviates from the initial position of illustration and is folded inwards, during mould closing, a forced reset rod 16 drives the rotating rod 15 to open outwards, the ejector pins are ensured not to be impacted, and the risk of damage of the ejector pins is avoided.

Wherein, connecting rod 14 one end is fixed on movable mould board 8, and the other end sets up 3/4 circular arc groove, and it is spacing with the gasket on it, and dwang 15 one end is connected with connecting rod 14, and the other end is connected with push pedal 11, also is provided with 3/4 circular arc groove on the push pedal 11, and dwang 15 can rotate, and during the mould ejecting, dwang 15 inwards folds.

The fixed die plate 4 is internally provided with a fixed die waterway 52, the movable die waterway 53 arranged in the movable die plate 8, and the movable die and the sliding block are provided with cooling waterways, so that the product forming beat is optimized, and the production efficiency is improved.

The first lateral sliding block 21, the second lateral sliding block 23 and the third lateral sliding block 24 are used for forming the characteristic difficult to form, and the second-stage sliding block at the top end is contracted inwards in the movement process of the first inward-contracted sliding block 22, so that core pulling is realized.

Wherein, oblique guide pillar is used for driving the slider to do horizontal movement, and the shovel base is used for accurate location slider position, is equipped with first locating piece 26-1, second locating piece 26-2 and third locating piece 26-3, can further improve mould compound die precision, sets up the cover half benevolence 27, reduces the mould and wholly processes the degree of difficulty, and cover half benevolence 27 adopts the cooperation of inlaying with the cover half, further reduces the mould and wholly processes the degree of difficulty.

The limiting post 35 limits the maximum movement distance of the sliding block, the sliding block is prevented from being separated from the die, the sliding block moves along the set direction under the action of the pressing bar, the gap between the sliding block and the pressing bar of the sliding block is uniform, and the phenomenon of movement of the sliding block cannot occur in the moving process of the sliding block.

The second embodiment is as follows: referring to fig. 1-9 for illustrating the present embodiment, two ends of the inner side of the first retraction slider 22 are both provided with a second retraction slider 42 through a T-shaped structure 42-2, an retraction slider 42-1 is disposed in the second retraction slider 42, a follower slider 42-3 is disposed on the outer side of the retraction slider 42-1, a positioning column 47 is disposed at the bottom of the first retraction slider 22, the retraction slider 42-1 is configured to be identical with the inner surface of the product 25, so that the forming quality is improved, and the T-shaped structure 42-2 can switch the movement direction.

And a third specific embodiment: referring to fig. 1-9 for describing the present embodiment, the upper end surface of the panel 3 is provided with a first heat insulation board 2, the lower end surface of the bottom plate 12 is provided with a second heat insulation board 13, and the heat insulation board is provided in order to prevent heat conduction to the injection molding machine from causing thermal deformation.

The specific embodiment IV is as follows: referring to fig. 1-9, in this embodiment, a positioning ring 1 is disposed above the first heat insulation board 2, and a mold can be quickly installed through the positioning ring 1.

Fifth embodiment: referring to fig. 1-9 for illustrating the present embodiment, a hot runner pipe 28 is disposed between the positioning ring 1 and the product 25, the hot runner pipe 28 is communicated with the hot runner interface 5, the melt is sheared and plasticized in the injection molding machine, a good flowing state is obtained, but once the melt enters the mold, the external environment changes, the melt state changes, the hot runner pipe 28 is disposed, so that the melt state in the hot runner pipe 28 is consistent with the melt state in the injection molding machine, the distance between the injection molding machine and the mold cavity is shortened to the greatest extent, and the hot runner pipe 28 extends directly to the surface of the product.

Specific embodiment six: referring to fig. 1-9 for describing the present embodiment, the mold lock 6 is installed on the outer sides of the fixed mold plate 4 and the movable mold plate 8, the lifting ring 7 is installed on the mold lock 6, a reinforcing block 17 is disposed on one side of the forced reset lever 16, mold guide posts 19 are all installed at four corners of the fixed mold plate 4, a protecting block 20 is disposed on the outer side of the movable mold plate 8, the mold can be prevented from being separated by the mold lock 6 during transportation and mold supporting, and the lifting ring 7 is provided for rapid transfer of the mold.

The embodiments of the utility model disclosed above are intended only to help illustrate the utility model. The examples are not intended to be exhaustive or to limit the utility model to the precise forms disclosed. Many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model.

Claims (10)

1. A forced reset full-circle core-pulling injection mold is characterized in that: including panel (3), fixed die plate (4), hot runner interface (5), movable die plate (8), mould foot (9), thimble board (10), push pedal (11), bottom plate (12), connecting rod (14), dwang (15), forced return lever (16), cooling water interface (18), first side direction slider (21), first side direction slider (22), second side direction slider (23) and third side direction slider (24), fixed die plate (4) are connected with movable die plate (8), panel (3) are installed to the up end of fixed die plate (4), mould foot (9) are installed to the bottom of movable die plate (8), bottom plate (12) are installed to mould foot (9) bottom, install push pedal (11) in the space that bottom plate (12) and mould foot (9) formed, thimble board (10) are installed to push pedal (11) up end, the one end of connecting rod (14) is connected with movable die plate (8), the other end and the one end of dwang (15), the other end and push pedal (11) are connected, forced return lever (16) are located on one side of fixed die plate (4) are installed to the forced return lever (16), the fixed die plate (4) and the movable die plate (8) are provided with products (25), the first lateral sliding block (21), the first inward shrinking sliding block (22), the second lateral sliding block (23) and the third lateral sliding block (24) are uniformly distributed on the upper end face of the movable die plate (8) by taking the center of the products (25) as the center of a circle, the side end of the movable die plate (8) is provided with a cooling water interface (18), and the side end of the fixed die plate (4) is provided with a hot runner interface (5).

2. The forced resetting full-circle core-pulling injection mold according to claim 1, wherein: the fixed die plate (4) lower end face is provided with a first shovel base (21-2), an inward shrinking sliding block shovel base (22-2), a second shovel base (23-2) and a third shovel base (24-2), the first shovel base (21-2) corresponds to the first lateral sliding block (21) in position and is internally provided with a first oblique guide post (21-1), the inward shrinking sliding block shovel base (22-2) corresponds to the first inward shrinking sliding block (22) in position and is internally provided with an inward shrinking sliding block oblique guide post (22-1), the second shovel base (23-2) corresponds to the second lateral sliding block (23) in position and is internally provided with a second oblique guide post (23-1), the third shovel base (24-2) corresponds to the third lateral sliding block (24) in position and is internally provided with a third oblique guide post (24-1), the fixed die core (27), a first positioning block (26-1), a second positioning block (26-2) and a third positioning block (26-3) are further arranged on the lower end face of the fixed die plate (4), and the first oblique guide post (21-1) and the third oblique guide post (24-1) are connected with the first oblique guide post (24-1) in a fastening mode, and the third oblique guide post (24-1) are connected to the first oblique guide post (21-1) and the second oblique guide post (30-1), the second side direction slider (23) and all be equipped with slider water route (32) in third side direction slider (24), slider water route (32) and cooling water interface (18) intercommunication, the bottom of first side direction slider (21), first side direction slider (22), second side direction slider (23) and third side direction slider (24) all is equipped with spacing post (35), first side direction slider (21) both sides all are equipped with first slider layering (33), second side direction slider (23) both sides all are equipped with second slider layering (34), third side direction slider (24) both sides all are equipped with third slider layering (40), first side direction slider (22) both sides all are equipped with interior slider layering (44), first slider layering (33), interior slider layering (44), third slider layering (40) and second side direction slider (23) all install on fixed die plate (4), be equipped with first slider insert (41) on third side direction slider (24), be equipped with second insert (49) on first side direction slider (21), be equipped with second insert (29) on second side direction slider (25) and second side direction slider (50) and shaping article (50) respectively.

3. The forced-resetting full-circle core-pulling injection mold according to claim 2, wherein: the two ends of the inner side of the first retraction slide block (22) are provided with second retraction slide blocks (42) through T-shaped structures (42-2), retraction sub-blocks (42-1) are arranged in the second retraction slide blocks (42), follow-up slide blocks (42-3) are arranged on the outer sides of the retraction sub-blocks (42-1), and positioning columns (47) are arranged at the bottoms of the first retraction slide blocks (22).

4. The forced resetting full-circle core-pulling injection mold according to claim 1, wherein: the upper end face of the panel (3) is provided with a first heat insulation plate (2), and the lower end face of the bottom plate (12) is provided with a second heat insulation plate (13).

5. The forced resetting full-circle core-pulling injection mold of claim 4, wherein: a positioning ring (1) is arranged above the first heat insulation plate (2).

6. The forced resetting full-circle core-pulling injection mold of claim 5, wherein: a hot runner pipe (28) is arranged between the positioning ring (1) and the product (25), and the hot runner pipe (28) is communicated with the hot runner interface (5).

7. The forced resetting full-circle core-pulling injection mold according to claim 1, wherein: the mold lock (6) is arranged on the outer sides of the fixed mold plate (4) and the movable mold plate (8), and the lifting ring (7) is arranged on the mold lock (6).

8. The forced resetting full-circle core-pulling injection mold according to claim 1, wherein: one side of the forced reset rod (16) is provided with a reinforcing block (17).

9. The forced resetting full-circle core-pulling injection mold according to claim 1, wherein: the four corners of the fixed template (4) are provided with mould guide posts (19), and the outer side of the movable template (8) is provided with a protection block (20).

10. The forced resetting full-circle core-pulling injection mold according to claim 1, wherein: a fixed die waterway (52) is arranged in the fixed die plate (4), and a movable die waterway (53) is arranged in the movable die plate (8).