CN216267372U

CN216267372U - Mould for forming inner buckle

Info

Publication number: CN216267372U
Application number: CN202123000437.XU
Authority: CN
Inventors: 夏美平; 彭重霄; 王卫光
Original assignee: Xiamen Xinhuite Precision Mould Co ltd
Current assignee: Xiamen Xinhuite Precision Mould Co ltd
Priority date: 2021-12-01
Filing date: 2021-12-01
Publication date: 2022-04-12
Anticipated expiration: 2031-12-01

Abstract

The utility model relates to a detain in shaping and use mould, it includes the mould and with last mould matched with lower mould, go up the end in opposite directions of mould and lower mould and seted up a plurality of die cavities, wear to be equipped with the mold core in the die cavity, the mold core is connected in the lower mould, the mold core is along radially wearing to establish and sliding and being connected with a plurality of shaping pieces that are used for detaining in the shaping, the mold core is worn to establish and slides along the axial and is connected with the promotion post that is used for ordering about shaping piece removal, promote the post and set up a plurality of spouts that extend along the mold core axial, and the spout is close to the slope of mold core axis towards the one end of die cavity and sets up, and is a plurality of shaping piece one-to-one-up respectively the card establishes and slides and connects in a plurality of spouts. This application has the effect of interior knot on the through-hole inner wall of the shaping work piece of being convenient for.

Description

Mould for forming inner buckle

Technical Field

The application relates to the field of injection molds, in particular to a mold for forming an inner buckle.

Background

Generally, an injection mold includes an upper mold and a lower mold, and opposite ends of the lower mold and the upper mold are opened with a plurality of cavities for molding a product. When a workpiece with a through hole needs to be molded, a mold core is often arranged in a mold cavity in a penetrating mode.

However, a plurality of inner buckles are required to be formed on the inner wall of the through hole of part of the workpieces, the inner buckles are formed by protruding the inner wall of the through hole towards the axis, and the inner buckles are distributed around the axis of the through hole. At the moment, if a groove for forming the inner buckle is directly formed in the mold core, the inner buckle is easy to interfere with the groove in the mold in the demolding process, so that the workpiece is difficult to demold, and the workpiece is inconvenient to produce.

SUMMERY OF THE UTILITY MODEL

In order to facilitate the interior knot on the through-hole inner wall of shaping work piece, this application provides a mould for knot in shaping.

The application provides a detain in shaping and use mould adopts following technical scheme:

the utility model provides a detain in shaping and use mould, includes and goes up mould and last mould matched with lower mould, go up the end in opposite directions of mould and lower mould and seted up a plurality of die cavities, wear to be equipped with the mold core in the die cavity, the mold core is connected in the lower mould, the mold core is along radially wearing to establish and sliding and be connected with a plurality of shaping pieces that are used for the shaping interior knot, the mold core is worn to establish and slides along the axial and is connected with the promotion post that is used for ordering about the shaping piece and removes, promote the post and set up a plurality of spouts along mold core axial extension, and the spout is close to the slope of mold core axis towards the one end of die cavity and sets up, and is a plurality of shaping piece difference one-to-card is established and slides and is connected in a plurality of spouts.

By adopting the technical scheme, the pushing column slides towards the cavity during injection molding, the forming block is limited by the sliding groove on the pushing column at the moment, and the forming block can slide towards the direction far away from the axis of the mold core, so that the forming block can form the inner buckle in the cavity; when needs drawing of patterns, will promote the post and slide towards the direction of keeping away from the die cavity, the shaping piece receives the restriction of spout equally this moment, and the shaping piece can slide towards the direction of being close to the mold core axis, and then removes the restriction of interior knot of shaping piece on to the work piece to it is comparatively convenient when making the work piece drawing of patterns.

Optionally, one side of the lower die, which is far away from the upper die, is provided with a bottom die in a sliding manner, and the pushing columns are connected to the bottom die simultaneously.

Through adopting above-mentioned technical scheme, can slide with a plurality of promotion posts of simultaneous control through the die block that slides to it is comparatively convenient when making control promotion post slide.

Optionally, the die block is provided with a plurality of fixing bolts, and a plurality of fixing bolts respectively one-to-one set up in a plurality of promotion posts, fixing bolt wears to establish simultaneously and threaded connection in die block and promotion post.

Through adopting above-mentioned technical scheme, the fastening bolt who sets up can make to promote the post and can dismantle with the die block mutually and be connected to be convenient for promote the installation and the change of post.

Optionally, the lower die includes a forming die and a clamping die detachably connected to each other, the forming die is located between the upper die and the clamping die, the cavity is opened at one end of the forming die facing the upper die, the die core includes a core column and an installation block fixedly connected to each other, the core column passes through the forming die and extends into the cavity, the forming block is inserted into and slidably connected to the core column, and the installation block is clamped between the forming die and the clamping die.

By adopting the technical scheme, during installation, the core column is firstly penetrated through the forming die, and then the clamping die is connected with the forming die, so that the installation block is clamped between the forming die and the clamping die, the die core is fixed, and the installation and the replacement of the die core are facilitated.

Optionally, the mounting block is embedded in the forming die, and the mounting block has a prism structure.

Through adopting above-mentioned technical scheme, the installation piece is prismatic structure, can restrict the circumferential direction of installation piece, and then increases the stability at the in-process of moulding plastics, stem.

Optionally, the forming block is integrally formed with a sliding block, the sliding block extends along the radial direction of the core column, and the sliding block is arranged in the mounting block or the core column in a penetrating and sliding manner.

Through adopting above-mentioned technical scheme, at the in-process that the shaping piece slided, can pull the slider and slide in step, and then stability when increasing the shaping piece and slided.

Optionally, the sliding block is inserted into and slidably connected to the mounting block, and the sliding block is located on one side of the forming block away from the axis of the core column.

Through adopting above-mentioned technical scheme, the slider sets up in the one side that deviates from the stem axis in the shaping piece to make when increasing shaping piece stability of sliding, can also reduce the possibility that produces mutual interference between a plurality of sliders.

Optionally, the slider shaping has a stopper, the installation piece is seted up and is used for restricting the spacing groove of stopper scope of sliding, the stopper card is established and is slided and connect in the spacing inslot.

Through adopting above-mentioned technical scheme, the displacement range of stopper can be restricted to the spacing groove to make when control shaping piece slides and stop, comparatively more accurate.

In summary, the present application includes at least one of the following beneficial technical effects:

when demoulding is needed, the pushing column slides towards the direction far away from the cavity, the forming block is limited by the sliding chute at the moment, the forming block can slide towards the direction close to the axis of the mold core, and the limitation of the forming block on the inner buckle on the workpiece is further removed, so that the workpiece is relatively convenient and fast to demould;

the slider that sets up on the shaping piece, and the slider sets up in the one side that the shaping piece deviates from the stem axis to make when increasing shaping piece stability of sliding, can also reduce the possibility that produces mutual interference between a plurality of sliders.

Drawings

FIG. 1 is a schematic illustration of an explosive structure according to an embodiment of the present application;

FIG. 2 is a schematic illustration in partial cross-sectional view of an embodiment of the present application;

fig. 3 is a schematic view of a partial explosion structure of the mold core according to the embodiment of the present application.

Description of reference numerals: 1. an upper die; 2. a lower die; 21. forming a mould; 22. clamping the die; 3. a mold core; 31. a stem; 32. mounting blocks; 4. forming a block; 41. a slider; 411. a limiting block; 412. a limiting groove; 5. pushing the column; 51. a chute; 6. bottom die; 61. and (5) fixing the bolt.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a mould for forming an inner buckle. Referring to fig. 1, a mold for forming an inner buckle includes an upper mold 1 and a lower mold 2 located below the upper mold 1, and the two are matched. Go up the mould 1 and the end in opposite directions of lower mould 2 and seted up a plurality of die cavities, wear to be equipped with the mold core 3 of vertical setting in the die cavity, and mold core 3 connects in lower mould 2.

Referring to fig. 1 and 2, the mold core 3 is provided with a plurality of forming blocks 4, and the forming blocks 4 penetrate through the mold core 3 in the radial direction and are connected to the mold core 3 in a sliding manner. The mold core 3 is axially penetrated and slidably connected with a pushing column 5, the pushing column 5 is penetrated and arranged inside the mold core 3 by the lower end of the mold core 3, and the upper end of the pushing column 5 is wedge-shaped. The outer wall of the pushing column 5 is provided with a plurality of vertically extending sliding grooves 51, the sliding grooves 51 are dovetail grooves, and the top ends of the sliding grooves 51 are obliquely arranged towards the direction of the axis of the mold core 3. The forming blocks 4 are respectively clamped and connected in the sliding grooves 51 in a one-to-one correspondence manner.

Referring to fig. 1 and 2, a bottom mold 6 is slidably disposed on a side of the lower mold 2 away from the upper mold 1, and the pushing column 5 is located above the bottom mold 6. Wear to establish and threaded connection has a plurality of fixing bolt 61 from the lower extreme of die block 6, and a plurality of fixing bolt 61 respectively one-to-one wear to establish and threaded connection in a plurality of promotion posts 5 to make a plurality of promotion posts 5 can dismantle simultaneously and connect in die block 6.

During injection molding, the bottom die 6 slides upwards to control the plurality of pushing columns 5 to slide upwards simultaneously. At this time, the forming block 4 is limited by the sliding groove 51 on the pushing column 5, and the pushing column 5 can push the lathe forming block 4 to slide towards the direction far away from the axis of the mold core 3, so that the forming block 4 can form the inner buckle in the mold cavity.

When the drawing of patterns needs, only need control die block 6 to slide towards the direction of keeping away from lower mould 2 to pull and promote the direction that post 5 was kept away from the die cavity and slide, become one-tenth shape piece 4 and receive spout 51's restriction equally this moment, make and promote post 5 and can order about become one-tenth shape piece 4 and slide towards the direction of being close to mold core 3 axis, and then remove the restriction of the interior knot of one-tenth shape piece 4 on to the work piece, thereby make the work piece comparatively convenient when the drawing of patterns.

Referring to fig. 1 and 2, in order to facilitate installation or replacement of the mold core 3, in the present embodiment, the mold core 3 includes a stem 31 vertically arranged and a mounting block 32 fixedly connected to a lower end of the stem 31, and a diameter of the mounting block 32 is larger than a diameter of the stem 31. The lower die 2 comprises a forming die 21 and a clamping die 22, wherein the clamping die 22 is positioned on one side of the forming die 21, which is far away from the upper die 1, and the forming die 21 and the clamping die are detachably connected through bolts. The cavity is opened at one end of the forming die 21 facing the upper die 1.

Referring to fig. 1 and 2, the stem 31 passes through the forming die 21 from the lower end of the forming die 21 and extends into the cavity, and the mounting block 32 is clamped between the forming die 21 and the clamping die 22, at this time, the forming block 4 is inserted and slidably connected to the stem 31, and the pushing column 5 is inserted through both the stem 31 and the mounting block 32. Meanwhile, the mounting block 32 is embedded in the forming die 21, and the mounting block 32 has a prism structure, so that the possibility of rotation of the mounting block 32 in the injection molding process is reduced.

Referring to fig. 2 and 3, in order to increase the stability of the forming block 4 when pushed by the pushing column 5 to slide during the film assembling or demolding process, a sliding block 41 is integrally formed at the lower end of the forming block 4, and the sliding block 41 extends along the radial direction of the core column 31. The sliding block 41 is positioned on one side of the forming block 4 departing from the axis of the core column 31, and the sliding block 41 penetrates through the core column 31 in the radial direction and is connected to the mounting block 32 in a sliding manner, so that the sliding block 41 can be pulled to synchronously slide in the sliding process of the forming block 4, and the stability of the forming block 4 in the sliding process is further improved; at this time, since the sliding blocks 41 are arranged on the side of the forming block 4 away from the axis of the stem 31, the sliding stability of the forming block 4 is increased, and the possibility of mutual interference among the sliding blocks 41 is reduced.

Referring to fig. 2 and 3, the two sides of the sliding block 41 are both formed with a limiting block 411, the mounting block 32 is provided with a plurality of limiting grooves 412, and the limiting block 411 is clamped and slidably connected to the limiting grooves 412. The limiting groove 412 can limit the sliding range of the limiting block 411, so that the sliding of the forming block 4 and the stopping of the sliding are controlled relatively accurately.

The implementation principle of the mold for forming the inner buckle in the embodiment of the application is as follows: during injection molding, the bottom die 6 slides upwards to control the plurality of pushing columns 5 to slide upwards simultaneously. At this time, the forming block 4 is limited by the sliding groove 51 on the pushing column 5, and the pushing column 5 can push the lathe forming block 4 to slide towards the direction far away from the axis of the mold core 3, so that the forming block 4 can form the inner buckle in the mold cavity. Meanwhile, in the process of sliding the forming block 4, the sliding block 41 can be pulled to synchronously slide, and the stability of the forming block 4 in sliding is further improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a detain in shaping and use mould, includes last mould (1) and with last mould (1) matched with lower mould (2), go up the end in opposite directions of mould (1) and lower mould (2) and seted up a plurality of die cavities, wear to be equipped with in the die cavity mold core (3), mold core (3) are connected in lower mould (2), its characterized in that: mould core (3) are along radially wearing to establish and slide and be connected with a plurality of shaping pieces (4) that are used for the shaping interior knot, mould core (3) are worn to establish and slide along the axial and are connected with promotion post (5) that are used for ordering about shaping piece (4) and remove, promote post (5) and set up a plurality of spout (51) that extend along mould core (3) axial, and spout (51) are close to mould core (3) axis slope setting towards the one end of die cavity, and are a plurality of shaping piece (4) respectively the one-to-one card establish and slide and connect in a plurality of spout (51).

2. The mold for molding an inner buckle according to claim 1, wherein: one side of lower mould (2) keeping away from last mould (1) slides and is provided with die block (6), and is a plurality of promote post (5) and connect in die block (6) simultaneously.

3. The mold for molding an inner buckle according to claim 2, wherein: die block (6) are provided with a plurality of fixing bolt (61), and a plurality of fixing bolt (61) respectively one-to-one sets up in a plurality of promotion post (5), fixing bolt (61) wear to establish simultaneously and threaded connection in die block (6) and promotion post (5).

4. The mold for molding an inner buckle according to claim 1, wherein: the lower die (2) comprises a forming die (21) and a clamping die (22) which are detachably connected, the forming die (21) is located between the upper die (1) and the clamping die (22), a cavity is formed in one end, facing the upper die (1), of the forming die (21), the die core (3) comprises a core column (31) and an installation block (32) which are fixedly connected, the core column (31) penetrates through the forming die (21) and extends into the cavity, the forming block (4) penetrates through and is connected to the core column (31) in a sliding mode, and the installation block (32) is clamped between the forming die (21) and the clamping die (22).

5. The mold for molding an inner buckle according to claim 4, wherein: the mounting block (32) is embedded in the forming die (21), and the mounting block (32) is in a prism structure.

6. The mold for molding an inner buckle according to claim 4, wherein: the forming block (4) is integrally formed with a sliding block (41), the sliding block (41) extends along the radial direction of the core column (31), and the sliding block (41) penetrates through and is connected to the mounting block (32) or the core column (31) in a sliding mode.

7. The mold for molding an inner buckle according to claim 6, wherein: the sliding block (41) penetrates through and is connected to the mounting block (32) in a sliding mode, and the sliding block (41) is located on one side, away from the axis of the core column (31), of the forming block (4).

8. The mold for molding an inner buckle according to claim 7, wherein: the slider (41) shaping stopper (411), spacing groove (412) that are used for restricting the stopper (411) scope of sliding are seted up in installation piece (32), stopper (411) card is established and is slided and connect in spacing groove (412).