CN218785763U

CN218785763U - Mold delay core-pulling structure with double sliding blocks

Info

Publication number: CN218785763U
Application number: CN202223126573.8U
Authority: CN
Inventors: 姬永龙; 施沫村
Original assignee: Iv Techmould Suzhou Co ltd
Current assignee: Iv Techmould Suzhou Co ltd
Priority date: 2022-11-24
Filing date: 2022-11-24
Publication date: 2023-04-04
Anticipated expiration: 2032-11-24

Abstract

A mold delayed core-pulling structure with double sliding blocks comprises a panel, a hot runner plate, an A plate, a B plate, a first core-pulling assembly and a delayed core-pulling assembly, wherein the first core-pulling assembly and the delayed core-pulling assembly are arranged between the A plate and the B plate; the delayed core pulling assembly comprises a first sliding block, a straight guide pillar and a first inclined guide pillar, the straight guide pillar and the first inclined guide pillar are connected together, the straight guide pillar and the first inclined guide pillar are arranged in a V shape, the straight guide pillar is arranged along the opening and closing direction of the mold, and the straight guide pillar and the first inclined guide pillar are both in sliding connection with the first sliding block. Mould of double slide block delay structure of loosing core, have following advantage: 1. generally, the oil cylinder is large in size and high in requirements on the motion sequence of the oil cylinder, and the oil cylinder is not beneficial to being realized on a multi-cavity die, and the structure can effectively solve the problem. 2. The optimized structure can effectively avoid the problem that the oil cylinder structure is easy to produce oil stains to cause defects on the appearance surface of a product. 3. The later-stage mould maintenance cost of the structure is low.

Description

Mold delay core-pulling structure with double sliding blocks

Technical Field

The utility model belongs to the technical field of advanced production manufacturing and automation, specifically, relate to a mould of double slide blocks postpones structure of loosing core.

Background

As shown in figure 1, the product is provided with the back-off in the two directions of the arrow directions A and B in the figure, in the structure, the product displacement is increased and the product yield in the corresponding injection molding machine is reduced if an oil cylinder to be designed is separated from a fixed die core pulling slide block under normal conditions, if the yield is required to be achieved, a die needs to be increased for replacing a large injection molding machine, and the oil cylinder used for an automobile type die with high appearance requirement easily causes the oil stain on the appearance of the product to bring adverse factors to the product quality, so that the requirement of a client cannot be met.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the utility model aims at providing a structure of loosing core is delayed to mould of double slide block has solved among the structure that the both directions back-off was loosed core among the prior art, adopts the hydro-cylinder to loose core and can only increase the mould structure, causes the higher problem of manufacturing cost.

The technical scheme is as follows: the utility model provides a mould of double slide blocks postpones structure of loosing core, including panel, hot runner plate, A board, B board, the subassembly of loosing core earlier and postpone the subassembly of loosing core, panel, hot runner plate, A board and B board set up according to the order from top to bottom, the subassembly of loosing core earlier and postpone the subassembly of loosing core to set up between A board and B board; the delaying core pulling assembly comprises a first sliding block, a straight guide pillar and a first inclined guide pillar, the straight guide pillar is connected with the first inclined guide pillar together, the straight guide pillar and the first inclined guide pillar are arranged in a V shape, the straight guide pillar is arranged along the opening and closing direction of the mold, and the straight guide pillar and the first inclined guide pillar are connected with the first sliding block in a sliding mode. The utility model discloses the mould of double slide blocks postpones structure of loosing core, to the complicated outward appearance of structure requirement higher car class mould utilization optimize the slider structure make not equidirectional back-off order demolding, practiced thrift the hydro-cylinder structure after optimizing, mould actual size obtains optimizing, the product quantity of the mould production of the same size increases by a wide margin, effectual solution is requiring great the requirement of pursuing small-size quantity production saving cost again to product output, the board utilization efficiency of moulding plastics has all obtained very big promotion. Wins competitive advantage for enterprises and clients.

Furthermore, according to the mold core pulling delaying structure with the double sliding blocks, the first sliding block is provided with the first through hole, the inner wall of the lower end part of the first through hole is provided with the first inclined surface, the straight guide pillar penetrates through the first through hole, and the first inclined guide pillar is in contact with the first inclined surface.

Further, foretell double-slider's mould postpones structure of loosing core, be connected with slider mold insert and slider on the slider one and inlay the needle, be equipped with the shaping clearance between slider mold insert and the slider inlay the needle, the shaping clearance is used for the shaping product, the slider mold insert contacts with the outer wall of product, the slider inlays the needle and sets up in the back-off of product one.

Further, forever the mould of double-slider structure of loosing core of delaying, the subassembly of loosing core earlier includes oblique guide pillar two, oblique guide pillar seat two, take-up housing two, slider mold insert two and inlays needle two, guide pillar seat two and A board are connected to one side, the upper end and the oblique guide pillar seat two of guide pillar two are connected to one side, take-up housing two sets up on the B board, slider mold insert two and inlay needle two all are connected with take-up housing two, two sliding connection of oblique guide pillar and take-up housing, slider mold insert two contacts with the outer wall of product, inlay in the back-off two of needle two insertion product.

Furthermore, in the mold delay core pulling structure with the double sliders, the second slider seat is provided with the second through hole, the second inclined guide post and the second through hole are both obliquely arranged, and the second inclined guide post is slidably connected with the second through hole.

Furthermore, in the mold core pulling delaying structure with the double sliders, the upper end of the inclined guide pillar seat II is provided with the through hole III, the upper end of the through hole III is provided with the concave platform I, the upper end of the inclined guide pillar II is provided with the boss I, the inclined guide pillar II penetrates through the through hole III, and the boss I is in contact with the concave platform I.

Furthermore, in the mold delayed core pulling structure with the double sliders, the upper end of the straight guide pillar is fixedly connected with the A plate through a screw.

Above-mentioned technical scheme can find out, the utility model discloses following beneficial effect has: mould of double slide block postpones structure of loosing core, optimize oblique guide block and make the motion of loosing core delay, thereby utilize drawing of patterns order time difference to reach different angles and loose core normal demolding. Brings more reasonable direction for the quality of the product and provides qualified products for customers.

Mould of double slide block delay structure of loosing core, have following advantage:

1. generally, the oil cylinder is large in size and high in requirements on the motion sequence of the oil cylinder, and the oil cylinder is not beneficial to being realized on a multi-cavity die, and the structure can effectively solve the problem.

2. The optimized structure can effectively avoid the problem that the oil cylinder structure is easy to produce oil stains to cause defects on the appearance surface of a product. (often highly demanding appearance parts need to avoid the use of cylinders)

3. The later-stage mould maintenance cost of the structure is low.

The development of this structure becomes the function and effectively solves many cave product (4 caves) and uses the hydro-cylinder to lead to the too big cost of mould too high, and many caves mould hydro-cylinder control too loaded down with trivial details problem. Saves the cost for the company and greatly enhances the competitiveness of the enterprise.

Drawings

Fig. 1 is a schematic structural diagram of the product of the present invention;

fig. 2 is a schematic structural view of the mold delayed core pulling structure of the double-slider of the present invention;

fig. 3 is a schematic structural view of the delayed core pulling assembly of the present invention during mold closing;

fig. 4 is a partial enlarged view of the utility model at B in fig. 3;

fig. 5 is a schematic structural view of the delayed core pulling assembly when the mold is opened according to the present invention;

fig. 6 is a schematic structural view of the core-pulling assembly of the present invention during mold closing;

fig. 7 is an enlarged view of a portion of fig. 6C according to the present invention;

fig. 8 is the structure schematic diagram of the prior core-pulling assembly during die sinking.

In the figure: the device comprises a panel 1, a hot runner plate 2, a plate A3, a plate B4, a first core pulling assembly 5, a second inclined guide post 51, a second inclined guide post seat 52, a second slider seat 53, a second slider insert 54, a second insert pin 55, a second through hole 56, a third through hole 57, a first concave table 58, a first boss 59, a delayed core pulling assembly 7, a first slider 71, a straight guide post 72, a first inclined guide post 73, a first through hole 74, a first inclined surface 75, a slider insert 76, a slider insert pin 77 and a forming gap 78.

Detailed Description

Examples

The mold delayed core pulling structure with the double sliding blocks as shown in fig. 2 and 3 comprises a panel 1, a hot runner plate 2, an A plate 3, a B plate 4, a core pulling assembly 5 and a delayed core pulling assembly 7, wherein the panel 1, the hot runner plate 2, the A plate 3 and the B plate 4 are arranged in sequence from top to bottom, and the core pulling assembly 5 and the delayed core pulling assembly 7 are arranged between the A plate 3 and the B plate 4.

The 3-5 delayed core pulling assembly 7 shown in fig. 2 and 3 comprises a first slider 71, a straight guide post 72 and a first inclined guide post 73, wherein the straight guide post 72 and the first inclined guide post 73 are connected together, the straight guide post 72 and the first inclined guide post 73 are arranged in a V shape, the straight guide post 72 is arranged along the mold opening and closing direction of the mold, and the straight guide post 72 and the first inclined guide post 73 are both connected with the first slider 71 in a sliding manner. The upper end of the straight guide post 72 is fixedly connected with the A plate 3 through a screw. The first slider 71 is provided with a first through hole 74, the inner wall of the lower end of the first through hole 74 is provided with a first inclined surface 75, the straight guide post 72 penetrates through the first through hole 74, and the first inclined guide post 73 is in contact with the first inclined surface 75. The first sliding block 71 is connected with a sliding block insert 76 and a sliding block insert pin 77, a forming gap 78 is formed between the sliding block insert 76 and the sliding block insert pin 77, the forming gap 78 is used for forming a product, the sliding block insert 76 is in contact with the outer wall of the product, and the sliding block insert pin 77 is arranged in the first reverse buckle of the product.

The first core pulling assembly 5 shown in fig. 6-8 comprises a second diagonal guide post 51, a second diagonal guide post seat 52, a second slider seat 53, a second slider insert 54 and a second insert pin 55, the second diagonal guide post seat 52 is connected with the a plate 3, the upper end of the second diagonal guide post 51 is connected with the second diagonal guide post seat 52, the second slider seat 53 is arranged on the B plate 4, both the second slider insert 54 and the second insert pin 55 are connected with the second slider seat 53, the second diagonal guide post 51 is connected with the second slider seat 53 in a sliding manner, the second slider insert 54 is in contact with the outer wall of a product, and the second insert pin 55 is inserted into the second reverse buckle of the product. The second slider seat 53 is provided with a second through hole 56, the second inclined guide post 51 and the second through hole 56 are both obliquely arranged, and the second inclined guide post 51 is in sliding connection with the second through hole 56. The upper end of the second inclined guide post seat 52 is provided with a third through hole 57, the upper end of the third through hole 57 is provided with a first concave platform 58, the upper end of the second inclined guide post 51 is provided with a first convex platform 59, the second inclined guide post 51 penetrates through the third through hole 57, and the first convex platform 59 is in contact with the first concave platform 58.

The utility model discloses the theory of operation of the mould of two sliders postpones the structure of loosing core does:

the panel 1, the hot runner plate 2 and the A plate 3 are connected through screws, and the first core pulling assembly 5 and the delayed core pulling assembly 7 are arranged between the A plate 3 and the B plate 4, so that the normal injection molding product is molded through mold closing.

When the product finishes the mold opening process by injection molding, in the delayed core pulling assembly 7, the straight guide post 72 moves in the through hole one 74 along the mold opening direction of the mold, and at this time, the slider one 71 cannot be driven to move, but in the process, mold opening and transverse bidirectional movement are performed between the inclined guide post two 51 and the slider seat two 53 in the core pulling assembly 5, so that the slider seat two 53 is separated from the product, the inclined guide post two 51 moves for 32.0mm and is completely separated from the product, the forming of the inverted buckle two in one direction is finished, when the mold is opened to 85.0mm (as shown in fig. 5 and 8, the mold opening state is performed), the inclined guide post one 73 is in contact with the inclined surface one 75, and thus, the slider one 71 can be driven to move, and the forming of the inverted buckle one in the other direction is finished.

And continuously opening the mold, and finally, ejecting the product under the action of an ejection system after the mold is completely opened.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications can be made without departing from the principle of the present invention, and these modifications should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a mould of two sliders delays structure of loosing core which characterized in that: the core pulling device comprises a panel (1), a hot runner plate (2), an A plate (3), a B plate (4), a core pulling assembly (5) and a core pulling delaying assembly (7), wherein the panel (1), the hot runner plate (2), the A plate (3) and the B plate (4) are arranged in sequence from top to bottom, and the core pulling assembly (5) and the core pulling delaying assembly (7) are arranged between the A plate (3) and the B plate (4);

the delayed core pulling assembly (7) comprises a first sliding block (71), a first straight guide post (72) and a first inclined guide post (73), the first straight guide post (72) and the first inclined guide post (73) are connected together, the first straight guide post (72) and the first inclined guide post (73) are arranged in a V shape, the straight guide post (72) is arranged along the mold opening and closing direction of the mold, and the first straight guide post (72) and the first inclined guide post (73) are both in sliding connection with the first sliding block (71).

2. The mold delayed core pulling structure of the double-slider according to claim 1, characterized in that: the first sliding block (71) is provided with a first through hole (74), the inner wall of the lower end part of the first through hole (74) is provided with a first inclined surface (75), the straight guide post (72) penetrates through the first through hole (74), and the first inclined guide post (73) is in contact with the first inclined surface (75).

3. The mold delayed core-pulling structure of the double-slider according to claim 1 or 2, characterized in that: the die is characterized in that a slide block insert (76) and a slide block insert pin (77) are connected to the slide block I (71), a forming gap (78) is formed between the slide block insert (76) and the slide block insert pin (77), the forming gap (78) is used for forming a product, the slide block insert (76) is in contact with the outer wall of the product, and the slide block insert pin (77) is arranged in a reverse buckle I of the product.

4. The mold delayed core pulling structure of the double-slider according to claim 1, characterized in that: the first core pulling assembly (5) comprises a second inclined guide post (51), a second inclined guide post seat (52), a second slider seat (53), a second slider insert (54) and a second insert pin (55), the second inclined guide post seat (52) is connected with the plate A (3), the upper end of the second inclined guide post (51) is connected with the second inclined guide post seat (52), the second slider seat (53) is arranged on the plate B (4), the second slider insert (54) and the second insert pin (55) are both connected with the second slider seat (53), the second inclined guide post (51) is connected with the second slider seat (53) in a sliding mode, the second slider insert (54) is in contact with the outer wall of a product, and the second insert pin (55) is inserted into the second reverse buckle of the product.

5. The mold delayed core pulling structure of the double-slider according to claim 4, characterized in that: and a second through hole (56) is formed in the second slider seat (53), the second inclined guide post (51) and the second through hole (56) are obliquely arranged, and the second inclined guide post (51) is in sliding connection with the second through hole (56).

6. The mold delayed core pulling structure of the double-slider according to claim 5, wherein: the upper end of the second inclined guide post seat (52) is provided with a third through hole (57), the upper end of the third through hole (57) is provided with a first concave platform (58), the upper end of the second inclined guide post (51) is provided with a first convex platform (59), the second inclined guide post (51) penetrates through the third through hole (57), and the first convex platform (59) is in contact with the first concave platform (58).

7. The mold delayed core pulling structure of the double-slider according to claim 1, characterized in that: the upper end part of the straight guide post (72) is fixedly connected with the A plate (3) through a screw.