CN211389964U

CN211389964U - Gap bridge bending forming injection mold with movable insert

Info

Publication number: CN211389964U
Application number: CN201922082878.5U
Authority: CN
Inventors: 王君利
Original assignee: Taizhou Yikun Mould Co ltd
Current assignee: Taizhou Yikun Mould Co ltd
Priority date: 2019-11-27
Filing date: 2019-11-27
Publication date: 2020-09-01
Anticipated expiration: 2029-11-27

Abstract

The utility model provides a bent forming injection mold of passing a bridge with portable inserting belongs to the mould and makes technical field. It has solved the trouble scheduling problem of loosing core of current bent mould of passing a bridge. This cross bridge bend forming injection mold with portable insert, including the movable mould and with movable mould matched with cover half, be formed with a plurality of between cover half and the movable mould and become the die cavity, be provided with the mouth of moulding plastics that is linked together with becoming the die cavity on the movable mould, the symmetry is provided with two drive assembly on the cover half, two drive assembly all link firmly and extend to be used for the inside fashioned insert of pipe fitting cavity in every becomes the die cavity towards the tip in die cavity, two corresponding complex inserts opposite ends and docks each other. The utility model has the advantage of convenient core pulling.

Description

Gap bridge bending forming injection mold with movable insert

Technical Field

The utility model belongs to the technical field of the mould is made, a bent forming injection mold of gap bridge with portable inserting is related to.

Background

The injection mould is a tool for producing plastic products, and is also a tool for endowing the plastic products with complete structures and accurate sizes, the injection moulding is a processing method used when producing some parts with complex shapes in batches, and specifically, the injection mould is used for injecting heated and melted plastics into a mould cavity by an injection moulding machine at high pressure, and obtaining a formed product after cooling and solidification.

Curved being the common product among the injection mold of passing a bridge, to the curved processing of passing a bridge, most all directly accomplish through moulding plastics, hollow when owing to the curved inside of passing a bridge, need set up the pellet in the die cavity when injection moulding, then loose core to the pellet when processing is accomplished, current pellet is all integrated into one piece mostly, has the problem of the difficulty of loosing core.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above-mentioned problem, a convenient bent forming injection mold of passing a bridge that has movably to insert of loosing core is provided.

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

the utility model provides a cross bridge bend forming injection mold with portable insert, includes the movable mould and with movable mould matched with cover half, cover half and movable mould between be formed with a plurality of shaping chamber, the movable mould on be provided with the mouth of moulding plastics that is linked together with the shaping chamber, the cover half on the symmetry be provided with two drive assembly, two drive assembly all link firmly and extend to be used for the inside fashioned insert of pipe fitting cavity in every shaping chamber towards the tip in shaping chamber, two corresponding complex inserts opposite ends and dock each other.

In the injection mold for gap bridge bending molding with the movable insert, each driving assembly comprises a driving seat and a driver arranged at the outer end of the driver, and a first sliding structure for the insert to slide transversely is arranged between the driver and the insert.

In the injection mold for bending and molding of gap bridge with the movable insert, the first sliding structure includes a traverse plate disposed on the driving seat and capable of sliding along the axial direction of the driving seat, two side end walls of the driving seat are provided with transverse sliding grooves matched with the side portions of the traverse plate, the outer end portion of the traverse plate is connected to the output end of the driver, and the outer end portion of the insert is fixed on the traverse plate.

In the gap bridge bending injection mold with the movable insert, the insert comprises a fixing part fixed on the traverse plate and a forming part extending into the forming cavity, and the traverse plate is provided with a sliding plate which is sleeved on the fixing part and can slide along the axial direction of the fixing part.

In the gap bridge bending injection mold with the movable insert, the sideslip plate is provided with the sideslip groove for the sliding plate to slide, and the sideslip groove is horizontally and obliquely arranged on the sideslip plate.

In the gap bridge bending injection mold with the movable insert, the movable mold is provided with the guide column matched with the sliding plate, and the lower end of the guide column is obliquely inserted into the sliding plate.

In the injection mold for bending and molding the gap bridge with the movable insert, the guide post is inclined, the upper end of the guide post is close to one side of the molding cavity, and the lower end of the guide post is close to one side of the driver.

In the gap bridge bending injection mold with the movable insert, each driving seat is horizontally and obliquely connected to the fixed mold.

In the injection mold for bending and molding the gap bridge with the movable insert, a transition flow channel is arranged between the injection port and the molding cavity, a buffer groove which is recessed downwards is arranged in the middle of the transition flow channel, and a drainage channel which guides injection molding liquid in the transition flow channel into the molding cavity is arranged on the side part of the transition flow channel.

In the injection mold for forming the gap bridge bend with the movable insert, the front end of the drainage channel is provided with an injection channel communicated with the forming cavity, the diameter of the injection channel is smaller than that of the drainage channel, and the intersection joint of the drainage channel and the injection channel is provided with an arc-shaped guide edge.

Compared with the prior art, the utility model has the advantages of:

1. the utility model discloses the symmetry is provided with two drive assembly on the cover half, two drive assembly all link firmly and extend to and be used for the inside fashioned of pipe fitting cavity to insert in every shaping chamber towards the tip of shaping chamber, two of corresponding complex are inserted opposite tip and are docked each other, it forms a complete shaping of inserting that is used for the overbridge to bend to insert through two butt joints of inserting, when loosing core, remove it and take out it through two not equidirectional removal separately, accomplish the work of loosing core, the advantage that has convenient operation.

2. The utility model discloses an insert including fixing the fixed part on the sideslip board and stretching into the shaping portion in the shaping chamber, be provided with the cover on the sideslip board and establish the slide on the fixed part, because fixed part length is longer, promote the joint strength of fixed part through the slide on the fixed part.

3. The utility model discloses the front end of drainage way is provided with the way of moulding plastics that is linked together with the shaping chamber, and the diameter that the way of moulding plastics is less than the diameter of drainage way, and drainage way and the crossing junction of moulding plastics have and be circular-arc guiding edge, reduce the velocity of flow of the liquid of moulding plastics of flowing through for the liquid of moulding plastics that flows into in the shaping chamber has comparatively stable state.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

Fig. 1 is a cross-sectional view of the whole mechanism of the present invention.

Fig. 2 is a schematic view of the overall structure of the driving assembly of the present invention.

Fig. 3 is a schematic structural diagram of the first sliding structure of the present invention.

Fig. 4 is a schematic view of a partial structure of the middle fixed mold of the present invention.

In the figure, 1, a moving die; 2. a molding cavity; 3. an injection molding port; 4. a drive assembly; 5. an insert; 6. a driving seat; 7. a driver; 8. a first sliding structure; 9. transversely moving the plate; 10. a horizontal chute; 11. a fixed part; 12. a molding section; 13. a slide plate; 14. a side chute; 15. a guide post; 16. a transition flow channel; 17. a buffer tank; 18. a drainage duct; 19. injection molding; 20. a guide edge; 21. and (5) fixing the mold.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

As shown in fig. 1 and 4, the gap bridge bending injection mold with the movable insert 5 comprises a movable mold 1 and a fixed mold 21 matched with the movable mold 1, wherein a plurality of molding cavities 2 are formed between the fixed mold 21 and the movable mold 1, an injection molding opening 3 communicated with the molding cavities 2 is formed in the movable mold 1, two driving assemblies 4 are symmetrically arranged on the fixed mold 21, the end parts, facing the molding cavities 2, of the two driving assemblies 4 are fixedly connected with the insert 5 extending into each molding cavity 2 and used for molding the hollow inner part of a pipe fitting, and the opposite end parts of the two corresponding matched inserts 5 are mutually butted.

In this embodiment, the symmetry is provided with two drive assembly 4 on the cover half 21, two drive assembly 4 all link firmly to extend to and are used for the inside fashioned insert 5 of pipe fitting cavity in every shaping chamber 2 towards the tip of shaping chamber 2, two corresponding complex inserts 5 butt joint each other in opposite directions, it forms the shaping that a complete insert 5 is used for the overbridge bend to realize the concatenation combination through two 5 butt joints of inserting, when loosing core, remove it and take out it through two not equidirectional insert 5 respectively, accomplish the work of loosing core, the advantage that has convenient operation.

As shown in fig. 1, each driving assembly 4 includes a driving seat 6 and a driver 7 disposed on an outer end of the driver 7, and a first sliding structure 8 for sliding the insert 5 laterally is disposed between the driver 7 and the insert 5. When the insert 5 is subjected to core-pulling movement, the operation of the driver 7 drives the first sliding structure 8 to move so as to drive the insert 5 to move towards one side far away from the molding cavity 2.

Referring to fig. 2 and 3, in the present embodiment, the first sliding structure 8 includes a traverse plate 9 disposed on the driving seat 6 and capable of sliding along the axial direction of the driving seat 6, two side end walls of the driving seat 6 are provided with lateral sliding grooves 10 engaged with the lateral portions of the traverse plate 9, an outer end of the traverse plate 9 is connected to an output end of the driver 7, and an outer end of the insert 5 is fixed on the traverse plate 9.

In this embodiment, the insert 5 includes a fixing portion 11 fixed on the traverse plate 9 and a forming portion 12 extending into the forming cavity 2, a sliding plate 13 is disposed on the traverse plate 9 and sleeved on the fixing portion 11 and capable of sliding along the axial direction of the fixing portion 11, a guiding column 15 matched with the sliding plate 13 is disposed on the movable mold 1, and a lower end of the guiding column 15 is obliquely inserted into the sliding plate 13.

Referring to fig. 2 and 3, the fixing portion 11 is long, in order to maintain the strength of the fixing portion 11, a slidable sliding plate 13 is sleeved on the fixing portion 11, the direction of movement of the sliding plate 13 is controlled by a guide post 15, the guide post 15 is inclined to be disposed, the upper end of the guide post 15 is close to one side of the molding cavity 2, the lower end of the guide post 15 is close to one side of the driver 7, the upper end of the guide post 15 is fixed on the movable mold 1, when the movable mold 1 moves downward, the guide post 15 arranged in an inclined manner pushes the sliding plate 13 to one side of the fixing portion 11, which is far away from the molding portion 12, so as to protect the end of the portion, and when the movable mold 1 moves upward, the sliding plate 13 is pushed to one side, which is near to the.

In the present embodiment, in order to save more space, the traverse plate 9 is provided with side sliding grooves 14 for sliding the sliding plates 13, the side sliding grooves 14 are horizontally and obliquely arranged on the traverse plate 9, the sliding plates 13 horizontally and obliquely move relative to the traverse plate 9 relative to the sliding track of the traverse plate 9 relative to the driving seats 6, and each driving seat 6 is also horizontally and obliquely connected to the fixed mold 21.

Referring to fig. 4, in the present embodiment, a transition flow channel 16 is disposed between the injection port 3 and the molding cavity 2, a buffer groove 17 recessed downward is disposed in the middle of the transition flow channel 16, and a drainage channel 18 for guiding the injection liquid in the transition flow channel 16 into the molding cavity 2 is disposed at the side of the transition flow channel 16. Through the transition flow channel 16, the injection liquid introduced from the injection port 3 can be uniformly branched into each molding cavity 2.

Preferably, the front end of the drainage channel 18 is provided with an injection channel 19 communicated with the molding cavity 2, the diameter of the injection channel 19 is smaller than that of the drainage channel 18, and the intersection of the drainage channel 18 and the injection channel 19 is provided with an arc-shaped guide edge 20, which is beneficial to reducing the flow velocity of the injection liquid flowing through, so that the injection liquid flowing into the molding cavity 2 has a stable state.

The utility model discloses a theory of operation does: before injection molding, the drivers 7 on both sides respectively drive the connected inserts 5 to move towards the molding cavity 2, so that the two mutually matched inserts 5 are butted in the molding cavity 2, then injection liquid is introduced through the injection port 3, the injection liquid enters the molding cavity 2 through the transition flow passage 16 and the injection passage 19, a hollow pipe fitting is formed by injection molding along the outer surface of the insert 5, when demolding is needed, the drivers 7 drive the respectively connected inserts 5 to move towards the direction far away from the molding cavity 2, in the whole processing process, when the movable mold 1 moves downwards, the obliquely arranged guide columns 15 can push the sliding plate 13 to the side, far away from the molding part 12, of the fixing part 11 for protecting the end part of the position, and when the movable mold 1 moves upwards, the sliding plate 13 can be pushed to the side, close to the molding part 12, for protecting the end part of the position.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the terms of the movable mold 1, the molding cavity 2, the injection port 3, the driving assembly 4, the insert 5, the driving seat 6, the driver 7, the first sliding structure 8, the traverse plate 9, the transverse sliding grooves 10, the fixing portion 11, the molding portion 12, the sliding plate 13, the side sliding grooves 14, the guide posts 15, the transition flow passage 16, the buffer grooves 17, the flow guide passages 18, the injection passage 19, the guide edges 20, the fixed mold 21, and the like are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention and should not be interpreted as imposing any additional limitations that are contrary to the spirit of the present invention.

Claims

1. The utility model provides a cross bridge bend forming injection mold with portable insert, includes movable mould (1) and with movable mould (1) matched with cover half (21), cover half (21) and movable mould (1) between be formed with a plurality of shaping chamber (2), movable mould (1) on be provided with the mouth (3) of moulding plastics that are linked together with shaping chamber (2), its characterized in that, cover half (21) on the symmetry be provided with two drive assembly (4), two drive assembly (4) all link firmly towards the tip that becomes shaping chamber (2) and extend to every shaping chamber (2) in be used for the inside fashioned insert of pipe fitting cavity (5), two corresponding complex inserts (5) the tip in opposite directions and dock each other.

2. A gap bridge bending injection mould with a movable insert according to claim 1, wherein each driving assembly (4) comprises a driving seat (6) and a driver (7) arranged at the outer end of the driver (7), and a first sliding structure (8) for the transverse sliding of the insert (5) is arranged between the driver (7) and the insert (5).

3. The gap bridge bending injection mold with the movable insert as claimed in claim 2, wherein the first sliding structure (8) comprises a traverse plate (9) which is arranged on the driving seat (6) and can slide along the axial direction of the driving seat (6), two side end walls of the driving seat (6) are provided with transverse sliding grooves (10) which are matched with the side parts of the traverse plate (9), the outer side end part of the traverse plate (9) is connected to the output end of the driver (7), and the end part of the outer side of the insert (5) is fixed on the traverse plate (9).

4. A gap bridge bending injection mould with a movable insert according to claim 3, wherein the insert (5) comprises a fixing part (11) fixed on the traverse plate (9) and a forming part (12) extending into the forming cavity (2), and the traverse plate (9) is provided with a sliding plate (13) which is sleeved on the fixing part (11) and can slide along the axial direction of the fixing part (11).

5. A gap bridge bending injection mould with a movable insert according to claim 4, wherein the traverse plate (9) is provided with side sliding grooves (14) for sliding the sliding plate (13), and the side sliding grooves (14) are horizontally and obliquely arranged on the traverse plate (9).

6. A gap bridge bending injection mould with a movable insert according to claim 4, wherein the movable mould (1) is provided with a guide column (15) matched with the sliding plate (13), and the lower end of the guide column (15) is obliquely inserted into the sliding plate (13).

7. A gap bridge bending injection mould with a movable insert according to claim 6, wherein the guide post (15) is inclined, the upper end of the guide post (15) is close to one side of the forming cavity (2), and the lower end of the guide post (15) is close to one side of the driver (7).

8. A bridge bend injection mould with movable insert according to claim 2 characterised in that each of said driving seats (6) is horizontally and obliquely connected to the stationary mould (21).

9. The bridge bending injection mold with the movable insert according to claim 1, wherein a transition flow channel (16) is arranged between the injection port (3) and the molding cavity (2), the middle part of the transition flow channel (16) is provided with a buffer groove (17) which is concave downwards, and the side part of the transition flow channel (16) is provided with a drainage channel (18) which guides the injection liquid in the transition flow channel (16) into the molding cavity (2).

10. The bridge crossing bend forming injection mold with the movable insert according to claim 9, wherein the front end of the flow guide channel (18) is provided with an injection channel (19) communicated with the forming cavity (2), the diameter of the injection channel (19) is smaller than that of the flow guide channel (18), and the intersection of the flow guide channel (18) and the injection channel (19) is provided with a guide edge (20) in an arc shape.