CN219486467U - T-shaped indent transverse core pulling mechanism of injection mold - Google Patents

Abstract

The utility model discloses a T-shaped concave transverse core pulling mechanism of an injection mold, and relates to the technical field of molds. Including movable mould, oblique top, connecting piece and product main part reset, the oblique top sets up in the inside of movable mould, and the inside of oblique top has set gradually horizontal loose core piece I, horizontal loose core piece II, and the inside of product main part is common with movable mould, oblique top, horizontal loose core piece I, horizontal loose core piece two cup joints, and one side of product main part inner wall is equipped with T type indent, and horizontal loose core piece I all is provided with curved protruding with the opposite end of horizontal loose core piece II. Through setting up movable mould, oblique top, horizontal loose core piece first, horizontal loose core piece second and reset connecting piece, can be applied to the injection mold of the inside plastics product that has back-off, mould loose core action range is little or take out dead angle structure to one side, the whole action is coherent, nimble, can not appear blocking the condition, can wide application in household electrical appliances, car injection mold, accords with economic benefits, and application prospect is wide.

Description

T-shaped indent transverse core pulling mechanism of injection mold

Technical Field

The utility model relates to the technical field of molds, in particular to a T-shaped concave transverse core pulling mechanism of an injection mold.

Background

Injection molding refers generally to injection molding. Injection molding, also known as injection molding, is a method of injection and molding. The injection molding method has the advantages of high production speed, high efficiency, automation in operation, multiple colors and varieties, simplified and complex shapes, large size and small size, accurate product size and easy updating of products.

Some plastic products on the market are internally provided with structures such as arc grooves and inner hooks, and as the injection mold is not provided with a demoulding mechanism specially aiming at the structures, a common demoulding method is to modify the demoulding inclination of the structures such as the arc grooves and the inner hooks in the products, and the method needs to redesign the structures of the products, so that the development period is prolonged and the design cost is increased.

Disclosure of Invention

The utility model provides a T-shaped concave transverse core pulling mechanism of an injection mold, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an injection mold T type indent transversely mechanism of loosing core, includes movable mould, oblique top, connecting piece and product main part of loosing core, the oblique top sets up in the inside of movable mould, the inside of oblique top has set gradually horizontal piece first, the horizontal piece second of loosing core, the inside of product main part is common with movable mould, oblique top, horizontal piece first, the horizontal piece two cup joints of loosing core, one side of product main part inner wall is equipped with T type indent, the opposite ends of horizontal piece first and the horizontal piece second of loosing core all are provided with curved protruding, the shape after horizontal piece first, horizontal piece second of loosing core and the combination of oblique top one side is unanimous with the shape of the inside of T type indent, horizontal piece first of loosing core, horizontal piece second of loosing core keep away from curved bellied one end and all are provided with the connecting piece that resets.

Further, the reset connecting piece comprises a spring embedded in the inclined roof, a stop block fixedly arranged on the first transverse core-pulling block and the second transverse core-pulling block through bolts and a stop block arranged in the inclined roof through bolts.

Further, one ends of the two stop blocks are respectively abutted against one ends of the first transverse core pulling block and the second transverse core pulling block, and one end of the spring, which is far away from the inclined top, is abutted against one end of the pressure block.

Further, a die transverse surface for accommodating two reset connecting pieces is arranged on the movable die, one side of the die transverse surface is provided with a die guide surface, and one die guide surface is used for transition between the two die transverse surfaces.

Furthermore, inclined planes matched with the two die guide surfaces are respectively arranged on the two pressure blocks.

Compared with the prior art, the utility model provides the T-shaped concave transverse core pulling mechanism of the injection mold, which has the following beneficial effects:

the T-shaped indent transverse core-pulling mechanism of the injection mold can be applied to the injection mold of plastic products with back-off, small mold core-pulling action range or inclined drawing dead angle structure inside the products by arranging the movable mold, the inclined ejection, the transverse core-pulling block I, the transverse core-pulling block II and the reset connecting piece, has coherent and flexible overall actions, can not cause clamping, can be widely applied to household appliances and automobile injection molds, accords with economic benefits, and has wide application prospect.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a transverse core pulling mechanism according to the present utility model;

FIG. 3 is an exploded view of the structure of the present utility model;

FIG. 4 is a schematic diagram of a core pulling process of the transverse core pulling mechanism of the utility model;

fig. 5 is a schematic view showing a state in which the lateral core pulling mechanism of the present utility model is completely separated from the main body.

In the figure: 1. a movable mold; 11. a mold lateral surface; 12. a die guide surface; 2. a pitched roof; 3. a transverse core pulling block I; 4. a transverse core pulling block II; 5. resetting the connecting piece; 51. a spring; 52. a pressure block; 53. a stop block; 6. a product body; 61. t-shaped inner groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the utility model discloses a T-shaped concave transverse core pulling mechanism of an injection mold, which comprises a movable mold 1, an inclined top 2, a reset connecting piece 5 and a product main body 6, wherein the inclined top 2 is arranged in the movable mold 1, a transverse core pulling block I3 and a transverse core pulling block II 4 are sequentially arranged in the inclined top 2, the interior of the product main body 6 is sleeved with the movable mold 1, the inclined top 2, the transverse core pulling block I3 and the transverse core pulling block II 4 together, one side of the inner wall of the product main body 6 is provided with a T-shaped inner groove 61, the opposite ends of the transverse core pulling block I3 and the transverse core pulling block II 4 are respectively provided with a curved protrusion, the shape of the combined transverse core pulling block I3, the combined transverse core pulling block II 4 and one side of the inclined top 2 is consistent with the shape of the interior of the T-shaped inner groove 61, and one ends of the transverse core pulling block I3 and the transverse core pulling block II 4, which are far from the curved protrusions, are respectively provided with the reset connecting piece 5.

Specifically, the reset connecting piece 5 includes a spring 51 embedded in the inclined top 2, a stop block 53 fixedly installed on the first transverse core-pulling block 3 and the second transverse core-pulling block 4 through bolts, and a stop block 53 installed in the inclined top 2 through bolts, one ends of the two stop blocks 53 respectively collide with one ends of the first transverse core-pulling block 3 and the second transverse core-pulling block 4, one end of the spring 51 far away from the inclined top 2 collides with one end of the pressure block 52, the first transverse core-pulling block 3 and the second transverse core-pulling block 4 are installed in the inclined top 2, then the spring 51 is placed, the pressure block 52 is connected with the first transverse core-pulling block 3 and the second transverse core-pulling block 4 through bolts, the stop block 53 is abutted against the spring 51, the stop block 53 is installed on the inclined top 2 through bolts, the reset distance between the first transverse core-pulling block 3 and the second transverse core-pulling block 4 is limited, the first transverse core-pulling block 3, the second transverse core-pulling block 4, the reset connecting piece 5 and the inclined top 2 form a transverse core-pulling mechanism, and the transverse core-pulling mechanism is installed in the movable mold 1.

Specifically, the movable mold 1 is provided with a mold transverse surface 11 for accommodating two reset connectors 5, one side of the mold transverse surface 11 is provided with a mold guide surface 12, one of the mold guide surfaces 12 is used for transition between the two mold transverse surfaces 11, when mold cavity opening is finished, the mold transverse surface 11 pushes the pressure block 52 to enable the transverse core-pulling block I3 and the transverse core-pulling block II 4 to move and transversely separate from the T-shaped inner groove 61 during ejection movement of the inclined roof 2, referring to fig. 4, the inclined roof 2 continuously ejects, the pressure block 52 moves onto the mold guide surface 12, the spring 51 pushes the pressure block 52 to enable the transverse core-pulling block I3 and the transverse core-pulling block II 4 to reset and completely separate from the T-shaped inner groove 61, and the two pressure blocks 52 are respectively provided with inclined surfaces matched with the two mold guide surfaces 12, and due to the inclined surfaces arranged on the pressure block 52, the original return of the original movement is kept without interference or collision phenomenon during mold closing, referring to fig. 1.

In summary, the T-shaped indent transverse core pulling mechanism of the injection mold can be applied to the injection mold of plastic products with back-off, small mold core pulling action range or inclined drawing dead angle structure inside the products by arranging the movable mold 1, the inclined top 2, the transverse core pulling block I3, the transverse core pulling block II 4 and the reset connecting piece 5, has consistent and flexible overall action, can not cause clamping, can be widely applied to household appliances and automobile injection molds, accords with economic benefits, and has wide application prospect.

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

Claims (5)

1. The utility model provides a horizontal loose core mechanism of injection mold T type indent, includes movable mould (1), oblique top (2), connecting piece (5) and product main part (6) reset, its characterized in that: the oblique top (2) is arranged in the movable die (1), a first transverse core-pulling block (3) and a second transverse core-pulling block (4) are sequentially arranged in the oblique top (2), the interior of the product main body (6) is sleeved with the movable die (1), the oblique top (2), the first transverse core-pulling block (3) and the second transverse core-pulling block (4), a T-shaped inner groove (61) is formed in one side of the inner wall of the product main body (6), curved protrusions are arranged at the opposite ends of the first transverse core-pulling block (3) and the second transverse core-pulling block (4), the shape of the first transverse core-pulling block (3), the second transverse core-pulling block (4) and the inner side of the oblique top (2) after being combined is consistent with the shape of the inner groove (61) of the T-shaped inner groove, and reset connecting pieces (5) are arranged at one ends, far away from the curved protrusions, of the first transverse core-pulling block (3) and the second transverse core-pulling block (4).

2. The injection mold T-shaped concave transverse core pulling mechanism according to claim 1, wherein: the reset connecting piece (5) comprises a spring (51) embedded in the inclined top (2), a stop block (53) fixedly installed on the first transverse core-pulling block (3) and the second transverse core-pulling block (4) through bolts and a stop block (53) installed in the inclined top (2) through bolts.

3. The injection mold T-shaped concave transverse core pulling mechanism according to claim 2, wherein: one end of each of the two stop blocks (53) is respectively abutted against one end of the corresponding one of the transverse core pulling block I (3) and the corresponding one of the transverse core pulling block II (4), and one end of the spring (51) away from the inclined top (2) is abutted against one end of the corresponding one of the pressure blocks (52).

4. The injection mold T-shaped concave transverse core pulling mechanism according to claim 3, wherein: the movable die (1) is provided with a die transverse surface (11) for accommodating two reset connecting pieces (5), one side of the die transverse surface (11) is provided with a die guide surface (12), and one die guide surface (12) is used for transition between the two die transverse surfaces (11).

5. The injection mold T-shaped concave transverse core pulling mechanism according to claim 4, wherein: inclined surfaces matched with the two die guide surfaces (12) are respectively arranged on the two pressure blocks (52).