CN218803648U

CN218803648U - Scalable location structure and mould in mould

Info

Publication number: CN218803648U
Application number: CN202221576109.6U
Authority: CN
Inventors: 李�浩; 钱正军; 蒋绪强; 李水红
Original assignee: Tsp Shanghai Precision Tooling Co ltd
Current assignee: Tsp Shanghai Precision Tooling Co ltd
Priority date: 2022-06-22
Filing date: 2022-06-22
Publication date: 2023-04-07
Anticipated expiration: 2032-06-22

Abstract

The embodiment of the utility model provides a scalable location structure and mould in mould belongs to mould shaping technical field. The positioning structure includes: the fixed die core is arranged above a die cavity of a molded product, and the top of the fixed die core is provided with an injection molding hole so as to perform injection molding on the die cavity to melt the product; the movable mould core is arranged below a mould cavity of a molded product and is used for being matched with the fixed mould core to form the mould cavity; scalable locating module sets up the top of cover half benevolence, scalable locating module's bottom can go deep into in the die cavity, and with the inserts contact in the die cavity, in order to fix a position the inserts, scalable locating module's top is equipped with the shape guide way of falling T, the bottom of the shape guide way of falling T is the inclined plane. The positioning structure can realize positioning of the insert and avoid hollowing of the insert, and improves the electrical performance and the sealing performance of the product.

Description

Scalable location structure and mould in mould

Technical Field

The utility model relates to a mould forming technology field specifically relates to a scalable location structure and mould in mould.

Background

The plastic mold is an important apparatus for mass production of various industrial plastic products. In the age of rapid and efficient development of industry, the dependence and requirements of various industries on plastics are increasing day by day, wherein the industries comprise the fields of aviation, aerospace, electronics, machinery, ships, automobiles, home furnishing and the like. With the rise of the plastic, part of conventional metal and wood parts are replaced by the plastic in a large quantity, and the product needs to keep certain delivery quantity and quality stability due to large market demand, so that the plastic mold has high requirements. Because the product insert molding usually realizes positioning by adding hollows on the product, the requirements of the product on the electrical performance and the sealing performance which are higher and higher cannot be met.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a scalable location structure and mould in mould, this location structure can avoid the inserts fretwork when realizing the location to the inserts, has improved the electrical apparatus performance and the sealing performance of product.

In order to achieve the above object, on the one hand, the utility model provides a scalable location structure in mould, location structure includes:

the fixed die core is arranged above a die cavity of a molded product, and the top of the fixed die core is provided with an injection molding hole so as to perform injection molding on the die cavity to melt the product;

the movable mould core is arranged below a mould cavity of a molded product and is used for being matched with the fixed mould core to form the mould cavity;

the telescopic positioning module is arranged above the fixed die core, the bottom of the telescopic positioning module can penetrate into the cavity and is in contact with the insert in the cavity so as to position the insert, an inverted T-shaped guide groove is formed in the top of the telescopic positioning module, and the bottom of the inverted T-shaped guide groove is an inclined plane;

the first cavity is arranged outside the telescopic positioning module and at the top of the core insert so as to limit the displacement of the telescopic positioning module in the horizontal direction;

the telescopic positioning module comprises a connecting rod, wherein one end of the connecting rod is provided with an inverted T-shaped bulge, the bottom of the inverted T-shaped bulge is an inclined plane with the inclination identical to that of the bottom of the inverted T-shaped guide groove, so that the inverted T-shaped bulge is clamped into the inverted T-shaped guide groove and can move in the horizontal direction to drive the telescopic positioning module to move in the vertical direction;

and the power module is connected with the other end of the connecting rod so as to drive the connecting rod to move in the horizontal direction.

Optionally, the positioning structure includes a fixed mold plate disposed above the fixed mold core, the first cavity is disposed on the fixed mold plate, and a second cavity for accommodating the connecting rod is disposed at the top of the fixed mold plate.

Optionally, the scalable positioning module includes:

the positioning needle penetrates through the fixed template and the fixed die core and can penetrate into the cavity to abut against the insert;

the positioning needle fixing plate is arranged at the bottom of the first cavity, and is provided with a through hole for accommodating the positioning needle to pass through so as to limit the positioning needle in the horizontal direction;

the locating pin guide plate is arranged at the top of the locating pin fixing plate and connected with the top of the locating pin, and the inverted T-shaped guide groove is formed in the top of the locating pin guide plate and driven by the connecting rod to move up and down in the first cavity.

Optionally, the injection molding hole penetrates through the fixed mold plate.

Optionally, the positioning structure includes a fixing block for fixing the connecting rod, and the fixing block is disposed above the second cavity to limit the displacement of the connecting rod in the vertical direction.

Optionally, the power module comprises:

one end of the piston rod is connected with the other end of the connecting rod so as to drive the connecting rod to move in the horizontal direction;

and the oil cylinder is connected with the other end of the piston rod to drive the piston rod to move in the horizontal direction.

Optionally, the positioning structure includes an oil cylinder fixing block, and the oil cylinder fixing block is arranged on the side surface of the fixed die plate and arranged at the joint of the piston rod and the oil cylinder to fix the oil cylinder.

Optionally, the number of the connecting rod fixing blocks is two, and the two connecting rod fixing blocks are respectively arranged above the second cavity.

On the other hand, the utility model also provides a mould, including the mould body and the location structure as described above.

Through the technical scheme, the embodiment of the utility model provides a pair of scalable location structure in mould and mould is through merging the cover half benevolence with movable mould benevolence together in order to form the die cavity to be equipped with the hole of moulding plastics in order to mould plastics the melting product to the die cavity at the top of this cover half benevolence. Scalable orientation module can set up the top at the fixed die core, make the bottom of this scalable orientation module can go deep into the die cavity in order to fix the inserts in the die cavity, can be equipped with the type of falling T guide way at the top of this scalable orientation module, and the bottom of the type of falling T guide way is the inclined plane, the one end of connecting rod can be equipped with the type of falling T arch of the type of falling T guide way complex, make when power module pulling connecting rod is at the horizontal direction displacement, this scalable orientation module can reciprocate in first cavity, and then can make the bottom and the inserts contact or separation of this scalable orientation module. The bottom of the telescopic positioning module can be separated from the insert during the injection molding of the tail section, the hollow exposure of the insert is avoided, the electrical performance and the sealing performance of the product are effectively improved, and the product quality is greatly improved.

Other features and advantages of embodiments of the present invention will be described in detail in the detailed description which follows.

Drawings

The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the embodiments of the invention, but do not constitute a limitation of the embodiments of the invention. In the drawings:

fig. 1 is an overall schematic view of an in-mold retractable positioning structure according to an embodiment of the present invention;

fig. 2 is a partial cross-sectional view of an in-mold retractable positioning structure according to an embodiment of the present invention;

fig. 3 is a schematic view of a core insert of an in-mold retractable positioning structure according to an embodiment of the present invention;

fig. 4 is a top view of an in-mold retractable positioning structure according to an embodiment of the present invention;

fig. 5 isbase:Sub>A cross-sectional viewbase:Sub>A-base:Sub>A of fig. 4, according to an embodiment of the present invention;

fig. 6 is a schematic view of a retractable positioning module of an in-mold retractable positioning structure according to an embodiment of the present invention;

fig. 7 is a schematic view of a stationary platen of an in-mold retractable positioning structure according to an embodiment of the present invention;

fig. 8 is a schematic view of a connecting rod of an in-mold retractable positioning structure according to an embodiment of the present invention;

fig. 9 is a schematic view of a locator pin guide plate of an in-mold retractable positioning structure according to an embodiment of the present invention.

Description of the reference numerals

1. Core 2 and cavity

3. Movable mould core 4 and telescopic positioning module

40. Positioning needle 41 and positioning needle fixing plate

42. Positioning pin guide plate 5 and insert

6. Inverted T-shaped guide groove 7 and first cavity

8. Connecting rod 9, inverted T-shaped bulge

10. Power module 100, piston rod

101. Oil cylinder 11 and fixed die plate

12. Second cavity 13 and connecting rod fixing block

14. Oil cylinder fixing block 15 and injection molding hole

Detailed Description

The following describes in detail embodiments of the present invention with reference to the accompanying drawings. It is to be understood that the description herein is provided for purposes of illustration and explanation, and is not intended to limit the embodiments of the invention.

Fig. 1 is an overall schematic view of an in-mold retractable positioning structure according to an embodiment of the present invention. Fig. 4 is a top view of an in-mold retractable positioning structure according to an embodiment of the present invention. Fig. 5 isbase:Sub>A cross-sectional view atbase:Sub>A-base:Sub>A in fig. 5, according to an embodiment of the present invention. Fig. 6 is a schematic diagram of a retractable positioning module of an in-mold retractable positioning structure according to an embodiment of the present invention. Fig. 8 is a schematic view of a connecting rod of an in-mold retractable positioning structure according to an embodiment of the present invention. Fig. 9 is a schematic view of a positioning pin guide plate of an in-mold retractable positioning structure according to an embodiment of the present invention. The utility model discloses in, this location structure can include: the die core comprises a fixed die core 1, a movable die core 3, a telescopic positioning module 4, a first cavity 7, a connecting rod 8 and a power module 10. The fixed mold core 1 can be arranged above a mold cavity 2 of a molded product, and the top of the fixed mold core 1 can be provided with an injection molding hole 15 so as to perform injection molding on the mold cavity 2 to melt the product. The movable mold core 3 may be disposed below the cavity 2 of the molded product, for cooperating with the fixed mold core 1 to form the cavity 2. The retractable positioning module 4 can be disposed above the core insert 1, and the bottom of the retractable positioning module 4 can extend into the cavity 2 and can contact with the insert 4 in the cavity 2 to fix the insert 5. An inverted T-shaped guide slot 6 may be provided at the top of the retractable positioning module 4, and the bottom of the inverted T-shaped guide slot 6 may be a slope. A first cavity 7 may be provided outside the retractable positioning module 4 and on top of the stationary core 1. The first cavity 7 can limit the displacement of the retractable positioning module 4 in the horizontal direction, so that the retractable positioning module 4 can only move in the vertical direction. One end of the connecting rod 8 may be provided with an inverted T-shaped protrusion 9. The bottom of the inverted T-shaped protrusion 9 may be an inclined plane consistent with the inclination of the bottom of the inverted T-shaped guide slot 6, so that the inverted T-shaped protrusion 9 can be clamped into the inverted T-shaped guide slot 6, and the displacement of the inverted T-shaped protrusion 9 in the horizontal direction can drive the retractable positioning module 4 to move in the vertical direction. The power module 10 may be connected to the other end of the connecting rod 8 so as to move the connecting rod 8 in the horizontal direction.

When injection molding is needed, the power module 10 can be started to drive the connecting rod 8 to move towards the telescopic positioning module 4, because the inverted-T-shaped guide groove 6 at the top of the telescopic positioning module 4 can be clamped with the inverted-T-shaped protrusion 9, when the inverted-T-shaped protrusion 9 is clamped into the inverted-T-shaped guide groove 6, because the inverted-T-shaped guide groove 6 is matched with the bottom of the inverted-T-shaped protrusion 9, the telescopic positioning module 4 provided with the inverted-T-shaped guide groove 6 can move along with the movement of the connecting rod 8, and because the first cavity 7 blocks the movement of the telescopic positioning module 4 in the horizontal direction, the telescopic positioning module 4 can only move downwards along with the first cavity 7, so that the bottom of the telescopic positioning module 4 can contact with the insert 5, and the insert 5 is positioned. When the end section is carried out to the injection molding work of die cavity 2 through injection molding hole 15, can drive this connecting rod 8 through this power module 10 to keeping away from the direction of first cavity 7 removes, then this scalable orientation module 4 and the protruding 9 of type of falling T and the cooperation of first cavity 7, can be so that this scalable orientation module 4 is driven the rebound, and then inserts 5 can be kept away from to the bottom of this scalable orientation module 4, the space that this scalable orientation module 4 bottom occupied can be filled to the melting product, avoid inserts 5's fretwork to expose, the effectual electric property and the sealing performance that promote the product, great promotion the quality of product.

In an embodiment of the present invention, as shown in fig. 2 and 7, the positioning structure may further include a fixed mold plate 11. The fixed die plate 11 can be arranged above the fixed die core 1, and the fixed die plate 11 can fix the fixed die core 1, so that the fixed die core 1 is prevented from shaking during injection molding to influence the quality of a product. The first cavity 7 may be provided on a stationary plate 11, and a second cavity 12 for receiving the connecting rod 8 may be provided on the top of the stationary plate 11. The first cavity 7 and the second cavity 12 can be communicated with each other to form a whole, so that the telescopic positioning module 4 and the connecting rod 8 can be displaced in a space formed by the first cavity 7 and the second cavity 12, and the displacement of the telescopic positioning module 4 and the connecting rod 8 in the horizontal direction can be limited, thereby preventing the telescopic positioning module 4 and the connecting rod 8 from being separated from the fixed die plate 11 and influencing the injection molding work.

In an embodiment of the present invention, as shown in fig. 3, 4, 6 and 9, the retractable positioning module 4 may include: a positioning needle 40, a positioning needle fixing plate 41 and a positioning needle guide plate 42. The positioning pins can pass through the fixed die plate 11 and the fixed die core 1 and can penetrate into the die cavity 2 to abut against the insert 5. A pilot pin fixing plate 41 may be provided at the bottom of the first cavity 7, and a through hole for receiving the pilot pin 40 therethrough may be provided on the pilot pin fixing plate 41 to restrict the pilot pin 40 in a horizontal direction. The bottom diameter of the positioning pin 40 is smaller than the top diameter thereof, so that when the positioning pin 40 positions the insert 5, the insert 5 can be fixed, and the insert 5 cannot be damaged, and because the positioning pin 40 is needle-shaped, the occupied volume is small, when the injection molding is carried out, the positioning pin 40 cannot influence the molding of the product, and at the end of the injection molding, the positioning pin 40 is pulled away, so that the influence of the positioning on the molding of the product is smaller. The positioning pin fixing plate 41 can limit the movement of the positioning pin 40 in the horizontal direction and can guide the movement of the positioning pin 40 in the vertical direction, so that the positioning pin 41 does not deviate when penetrating into the cavity 2, and the situation that the insert 5 is not positioned in place is avoided. The positioning pin guide plate 42 may be disposed on the top of the positioning pin fixing plate 41 and may be connected to the top of the positioning pin 40, so as to move the positioning pin 40. The inverted T-shaped guide slot 6 may be disposed at the top of the pilot pin guide plate 42 so as to be moved up and down in the first cavity 7 by the connecting rod 8. Since the pilot pin guide plate 42 is connected to the top of the pilot pin 40. As the needle guide 42 moves up and down within the first cavity 7, the needle 40 is also caused to move in a vertical direction to contact or move away from the insert 5.

In one embodiment of the present invention, as shown in fig. 7 and 2, the injection hole 15 may pass through the stationary platen 11. When the injection hole 15 penetrates through the fixed die plate 11, a worker injects a molten product into the cavity 2 through the injection hole 15 of the fixed die plate 11 during the injection molding process.

In one embodiment of the present invention, as shown in fig. 1 and 3, the positioning structure may include a connecting rod fixing block 13. The tie-bar fixing block 13 may be disposed above the second cavity 7. Because the second cavity 12 can accommodate the connecting rod 8, the positioning of the connecting rod fixing block 13 above the second cavity 7 can limit the displacement of the connecting rod 8 in the vertical direction, so that the connecting rod 8 can only move along the second cavity 12, and the connecting rod 8 is prevented from being separated from the second cavity 12.

In one embodiment of the present invention, as shown in fig. 4, the power module 10 may include a piston rod 100 and an oil cylinder 101. One end of the piston rod 100 may be connected to the other end of the connecting rod 8 to move the connecting rod 8 in the horizontal direction. The cylinder 101 may be connected to the other end of the piston rod 100, so that the piston rod 100 may be moved in the horizontal direction.

In an embodiment of the present invention, as shown in fig. 1, 3 and 6, the positioning structure may include a cylinder fixing block 14. The cylinder fixing block 14 may be disposed at a side of the fixed die plate 11 and may be disposed at a connection of the piston rod 100 and the cylinder 101, so that the cylinder 101 may be fixed. The cylinder fixing block 14 can fix the cylinder 101 on the side of the fixed die plate 11, and can enable the cylinder 101 to stably drive the piston rod 100 to move in the horizontal direction.

In an embodiment of the present invention, the number of the connecting rod fixing blocks 13 may be two, and may be respectively disposed above the second cavities 12. Compared with the case of one, the two connecting rod fixing blocks 13 can better limit the displacement of the connecting rod 8 in the vertical direction, so that the connecting rod 8 can only move in the second cavity 7.

On the other hand, the utility model also provides a mould, including the mould body with as above-mentioned location structure.

Through the technical scheme, the embodiment of the utility model provides a pair of scalable location structure in mould and mould is through merging the cover half benevolence with movable mould benevolence together in order to form the die cavity to be equipped with the hole of moulding plastics in order to mould plastics the melting product to the die cavity at the top of this cover half benevolence. Scalable locating module can set up the top at the die core, make scalable locating module's bottom can go deep into the die cavity in order to fix the inserts of die cavity, top at this scalable locating module can be equipped with the type of falling T guide way, and the bottom of the type of falling T guide way is the inclined plane, the one end of connecting rod can be equipped with the type of falling T arch of the type of falling T guide way complex, make when power module pulling connecting rod is at the horizontal direction displacement, this scalable locating module can reciprocate in first cavity, and then can make this scalable locating module's bottom and inserts contact or separation. The bottom of the telescopic positioning module can be separated from the insert when the end of injection molding is carried out, the hollow exposure of the insert is avoided, the electric appliance performance and the sealing performance of the product are effectively improved, and the quality of the product is greatly improved.

It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional identical elements in the process, method, article, or apparatus comprising the element.

The above are merely examples of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims

1. An in-mold telescopic positioning structure, characterized in that the positioning structure comprises:

the injection molding die comprises a fixed die core (1) and a die cavity (2) which are arranged above a molded product, wherein the top of the fixed die core (1) is provided with an injection molding hole (15) so as to inject a molten product into the die cavity (2);

the movable mould core (3) is arranged below the mould cavity (2) of the formed product and is used for being matched with the fixed mould core (1) to form the mould cavity (2);

the retractable positioning module (4) is arranged above the fixed die core (1), the bottom of the retractable positioning module (4) can penetrate into the die cavity (2) and is in contact with the insert (5) in the die cavity (2) to position the insert (5), an inverted T-shaped guide groove (6) is formed in the top of the retractable positioning module (4), and the bottom of the inverted T-shaped guide groove (6) is an inclined plane;

the first cavity (7) is arranged outside the telescopic positioning module (4) and at the top of the fixed die core (1) to limit the displacement of the telescopic positioning module (4) in the horizontal direction;

the telescopic positioning module comprises a connecting rod (8), wherein an inverted T-shaped bulge (9) is arranged at one end of the connecting rod (8), the bottom of the inverted T-shaped bulge (9) is an inclined plane with the inclination consistent with that of the bottom of the inverted T-shaped guide groove (6) so as to be clamped into the inverted T-shaped guide groove (6), and the connecting rod can move in the horizontal direction to drive the telescopic positioning module (4) to move in the vertical direction;

and the power module (10) is connected with the other end of the connecting rod (8) to drive the connecting rod (8) to move in the horizontal direction.

2. The positioning structure according to claim 1, wherein the positioning structure comprises a fixed mold plate (11) disposed above the fixed mold core (1), the first cavity (7) is disposed on the fixed mold plate (11), and a second cavity (12) for accommodating the connecting rod (8) is disposed at the top of the fixed mold plate (11).

3. The positioning structure according to claim 2, characterized in that said telescopic positioning module (4) comprises:

the positioning needle (40) penetrates through the fixed die plate (11) and the fixed die core (1) and can penetrate into the cavity (2) to abut against the insert (5);

the positioning needle fixing plate (41) is arranged at the bottom of the first cavity (7), and a through hole for accommodating the positioning needle (40) to pass through is formed in the positioning needle fixing plate (41) so as to limit the positioning needle (40) in the horizontal direction;

the positioning needle guide plate (42) is arranged at the top of the positioning needle fixing plate (41) and connected with the top of the positioning needle (40), the inverted T-shaped guide groove (6) is arranged at the top of the positioning needle guide plate (42) so as to be driven by the connecting rod (8) to move up and down in the first cavity (7).

4. The positioning structure according to claim 2, wherein the injection hole (15) passes through the stationary platen (11).

5. The positioning structure according to claim 2, characterized in that it comprises a connecting rod fixing block (13), arranged above said second cavity (12), to limit the displacement of said connecting rod (8) in the vertical direction.

6. The positioning structure according to claim 2, wherein the power module (10) comprises:

one end of the piston rod (100) is connected with the other end of the connecting rod (8) so as to drive the connecting rod (8) to move in the horizontal direction;

and the oil cylinder (101) is connected with the other end of the piston rod (100) to drive the piston rod (100) to move in the horizontal direction.

7. The positioning structure according to claim 6, characterized in that the positioning structure comprises a cylinder fixing block (14) arranged at the side of the fixed die plate (11) and at the connection of the piston rod (100) and the cylinder (101) to fix the cylinder (101).

8. The positioning structure according to claim 5, wherein the number of the connecting rod fixing blocks (13) is two, and the two connecting rod fixing blocks are respectively arranged above the second cavities (12).

9. A mold comprising a mold body and the positioning structure according to any one of claims 1 to 8.