CN221089779U

CN221089779U - Injection molding mold for in-mold hot cutting system

Info

Publication number: CN221089779U
Application number: CN202322527452.2U
Authority: CN
Inventors: 张先宇
Original assignee: Wuxi Haoqi Intelligent Technology Co ltd
Current assignee: Wuxi Haoqi Intelligent Technology Co ltd
Priority date: 2023-09-18
Filing date: 2023-09-18
Publication date: 2024-06-07
Anticipated expiration: 2033-09-18

Abstract

The utility model discloses an injection molding processing mold for an in-mold hot cutting system, which comprises two fixing pieces, wherein a male mold and a female mold are respectively arranged on opposite sides of the front end fixing piece and the rear end fixing piece, a forming area is formed in the middle of the front end of the male mold, a plurality of limiting rollers are inserted into the upper end and the lower end of the forming area, a pushing structure is arranged in the middle of each limiting roller, sliding rails are arranged on two sides of the bottom end of the male mold, a receiving basket is arranged in each sliding rail and connected through the limiting structure, a baffle is rotatably connected above the front end of the receiving basket, a partition is arranged below the baffle, a drawer is partitioned, and a rear baffle is arranged at the rear end of the drawer. The utility model has the advantages that: the basket is additionally arranged under the male die, and the pushing structure designed in the male die is additionally arranged, so that the injection molded finished product can be directly pushed down, and then falls into the basket to be collected, thereby avoiding the low efficiency and the risk of injury of workers, which are all required to be collected manually each time.

Description

Injection molding mold for in-mold hot cutting system

Technical Field

The utility model relates to the field of injection molding, in particular to an injection molding mold for an in-mold hot cutting system.

Background

In-mold hot cutting systems are an efficient cutting technique for use in plastic injection molding processes. In an in-mold hot cutting system, the cutting and forming processes are performed simultaneously, simplifying the conventional secondary operation (injection molding followed by cutting) into a single operation. By installing the hot cutting device in the mold, the plastic material is cut into a required shape by utilizing the high temperature of the mold, thereby improving the production efficiency, reducing the cost and improving the product quality.

The main advantages of in-mold hot cutting systems include:

Saving materials: in the injection molding process, the in-mold hot cutting can accurately control the cutting size, and the waste is effectively reduced.

The production efficiency is improved: by simplifying the production process, time and cost are saved.

The product quality is improved: the in-mold hot cutting can realize accurate cutting, and the edge quality and the overall accuracy of the product are improved.

And (3) reducing post-treatment procedures: the cutting and forming processes are carried out simultaneously, so that the subsequent cutting, polishing and other processing procedures can be reduced.

Therefore, it is widely used in the injection molding industry today, thereby creating a great practical need for molds designed for in-film hot cutting systems.

For example, the utility model patent with publication number CN219564018U discloses an in-mold hot cutting die, which comprises an upper die, wherein an injection molding pipe is fixedly connected to the inner part of the upper die, and a feeding pipe is movably connected to the inner part of the injection molding pipe. The utility model has the advantages that: through setting up the mounting panel, inlet pipe swing joint is in the top of mounting panel, and the inlet pipe is located the inside of moulding plastics the pipe, when using, get into the die cavity of mould and lower mould with the material through the inlet pipe, in the die cavity shaping formation work piece, after the completion of moulding plastics, at first start the cylinder, make the piston rod pull the mounting panel downwards, drive the inlet pipe and move down, make the bottom of cutter and the bottom of moulding plastics the pipe on the coplanar, afterwards drive the cutter through the inlet pipe rotation and in the intraductal rotation of moulding plastics, make the cutter carry out hot cutting to the runner junction of product and moulding plastics the pipe for incision department is parallel with the bottom of moulding plastics the pipe.

According to the utility model, through the design mode, the product incision can be tidy, re-trimming is not needed, the use is convenient, the practicability is improved, but the prior art still has room for improvement:

After the in-mold hot cutting die designed by the prior art is formed and cut, a finished product piece is required to be manually taken off from the die by a worker and then collected, the collection mode is time-consuming and labor-consuming, and because the machine needs to reserve enough time for the worker to take the finished product, the efficiency cannot be effectively improved, the in-mold hot cutting die is greatly influenced by human factor interference, the damage to the worker is easy to cause, and the improvement is required.

Disclosure of utility model

The utility model aims to overcome the defects, and discloses an injection processing mould for an in-mould hot cutting system.

In order to solve the technical problems, the technical scheme includes that the injection molding processing mold for the in-mold hot cutting system comprises a fixing piece, wherein the fixing piece is two in front and rear end opposite use, through holes are formed in the upper and lower parts and two sides of the fixing piece, sliding columns are connected inside the through holes in a sliding mode, fixing seats are fixedly connected to the middle parts of the top ends of the fixing piece, the front and rear ends of the fixing pieces are connected with each other through telescopic cylinders, a male mold is fixedly connected to the middle parts of the front ends of the fixing piece, female molds are fixedly connected to the middle parts of the rear ends of the fixing piece, forming areas are formed in the middle parts of the front ends of the male molds, a plurality of limiting rollers which are in circular arc shapes are uniformly distributed are inserted into the upper and lower ends of the forming areas, pushing structures are arranged in the middle parts of the limiting rollers, sliding rails are fixedly connected to the two sides of the bottom ends of the male mold, baskets are connected with the basket in a sliding mode, the basket is connected with the basket through the limiting structures, the upper ends of the basket is connected with the basket, the basket is connected with the basket through the aid of the limiting structures, the basket is connected with the basket through the mode, the upper end of the fixing portion, the front end is fixedly connected with a female mold, the female mold is fixedly connected with a female mold, and the lower end of the female mold is fixedly connected with a partition frame, and the partition frame through the partition plate.

As an improvement, the pushing structure comprises a first cavity which is formed in the upper end and the lower end of the inside of the male die, a second cavity is formed in the rear end of the first cavity, fixing blocks are fixedly connected to the front portion and the rear portion of the top end of the first cavity, the front end fixing blocks and the rear end fixing blocks are connected through threaded rods, and the threaded rods are connected with the fixing blocks in a rotating mode.

As an improvement, threaded blocks are connected to the threaded rods in a threaded mode, ejector pins are fixedly connected to the front portions of the bottom ends of the threaded blocks, motors are arranged in the second cavities, and the output ends of the motors penetrate through the second cavities and the fixing blocks to be fixedly connected with the threaded rods.

As an improvement, limit structure is including opening in the cavity four of accepting the L font of basket one side front and back end, four inside rotations of cavity are connected with the poking rod, be provided with the spacer pin that cooperates its use on the poking rod.

As an improvement, a cavity III matched with the limiting pin is formed in the sliding rail, telescopic rods are fixedly connected to two sides of the middle of the top end of the limiting pin, the top ends of the telescopic rods are fixedly connected with the cavity III, springs are sleeved outside the telescopic rods, and the top ends and the bottom ends of the springs are fixedly connected to the cavity III and the limiting pin respectively.

Compared with the prior art, the utility model has the advantages that: according to the utility model, the receiving basket is additionally arranged under the male die, and the pushing structure designed in the male die is additionally arranged, so that an injection molded finished product can be directly pushed down and then falls into the receiving basket to be collected, and the risks of low efficiency and injury of workers due to manual collection are avoided.

Drawings

FIG. 1 is a perspective view of an injection mold for an in-mold hot cutting system according to the present utility model;

FIG. 2 is an internal structural view of an injection mold for an in-mold hot cutting system according to the present utility model;

FIG. 3 is a side cross-sectional view of a push structure of an injection mold for an in-mold hot cutting system according to the present utility model;

FIG. 4 is a side cross-sectional view of a limiting structure of an injection mold for an in-mold hot cutting system according to the present utility model;

As shown in the figure: 1. a fixing member; 2. a through hole; 3. a spool; 4. a fixing seat; 5. a telescopic cylinder; 6. a male mold; 7. a master mold; 8. a molding zone; 9. a limit roller; 10. a pushing structure; 11. a slide rail; 12. a receiving basket; 13. a limit structure; 14. a baffle; 15. partition; 16. a drawer; 17. a mold cavity; 18. a module; 19. a first cavity; 20. a cavity II; 21. a fixed block; 22. a threaded rod; 23. a screw block; 24. a thimble; 25. a motor; 26. a cavity IV; 27. a toggle rod; 28. a limiting pin; 29. a third cavity; 30. a telescopic rod; 31. a spring; 32. a rear baffle.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings.

The working principle of the utility model is as shown in figures 1-4: the utility model provides an injection mold processing mould that in-mould hot-cutting system used, this mould uses public mould 6 and master model 7 as the main part, all fixedly connected with mounting 1 at the rear end of public mould 6 and the front end of master model 7, all open on the four corners of mounting 1 has through-hole 2, can control the mutual being close to and keeping away from of two mountings 1 through the traveller 3 in it, thereby realize the cooperation work between public mould 6 and the master model 7, in order to control the motion of these two mountings 1, top middle part fixedly connected with fixing base 4 at mounting 1, be provided with telescopic cylinder 5 between two fixing bases 4 of front and back ends, provide power for it through telescopic cylinder 5.

On the other hand, the four corners of the front end of the male die 6 are provided with die cavities 17, the corresponding positions of the rear end of the female die 7 are provided with matched die modules 18, the middle part of the front end of the male die 6 is provided with a forming area 8, the upper end and the lower end of the forming area 8 are inserted with a plurality of uniformly circular arc-shaped limiting rollers 9, and the limiting rollers 9 can stretch and retract relative to the male die 6 so as to bring out a finished product, and then the finished product is pushed out by a pushing structure 10 arranged in the middle part of the pushing structure.

In order to receive the finished product pushed out by the pushing structure 10, the two sides of the bottom end of the male die 6 are fixedly connected with the sliding rail 11, the sliding rail 11 is connected with the receiving basket 12 in a sliding manner, the receiving basket 12 and the sliding rail 11 are connected with each other through the limiting structure 13, the baffle 14 is connected above the front end of the receiving basket 12 in a rotating manner, the partition 15 fixedly connected to the receiving basket 12 is arranged below the baffle 14, the drawer 16 is arranged below the partition 15 and is connected in the receiving basket 12 in a sliding manner, the rear end of the drawer 16 is fixedly connected with the rear baffle 32 matched with the partition 15, and when the drawer 16 is about to be completely pulled out, the partition 15 can abut against the rear baffle 32, so that the drawer 16 is limited and is not dropped in the receiving basket 12.

The components together form the approximate appearance structure of the injection molding processing mold for the in-mold hot cutting system.

In order to further explain the detailed working principle of the injection molding processing mold for the in-mold hot cutting system of the utility model, the pushing structure 10 comprises a first cavity 19 which is opened at the upper end and the lower end inside the male mold 6, a second cavity 20 is arranged at the rear end of the first cavity 19, fixed blocks 21 are fixedly connected at the front and rear parts of the top end of the first cavity 19, the front and rear fixed blocks 21 are mutually connected through threaded rods 22, and the threaded rods 22 are rotationally connected with the fixed blocks 21; the threaded rod 22 is in threaded connection with a threaded block 23, the front part of the bottom end of the threaded block 23 is fixedly connected with a thimble 24, a motor 25 is arranged in the cavity II 20, and the output end of the motor 25 passes through the cavity II 20 and the fixed block 21 to be fixedly connected with the threaded rod 22.

The technical scheme composed of the technical characteristics has the following technical effects: when the finished product is injection molded and needs to be pushed and collected, the motor 25 is started to control the threaded rod 22 connected with the output shaft of the motor to rotate, and under the influence of threaded connection, the threaded block 23 on the threaded rod 22 starts to move to drive the thimble 24 connected below to move out of the cavity I19, so that the finished product clamped and limited by the limiting roller 9 is ejected out and falls into the receiving basket 12 below.

In order to further explain the detailed working principle of the injection molding processing mold for the in-mold hot cutting system of the utility model, the limiting structure 13 comprises an L-shaped cavity IV 26 which is opened at the front end and the rear end of one side of the receiving basket 12, a poking rod 27 is rotatably connected in the cavity IV 26, and a limiting pin 28 matched with the poking rod 27 is arranged on the poking rod 27; the sliding rail 11 is provided with a cavity III 29 matched with the limiting pin 28, two sides of the middle of the top end of the limiting pin 28 are fixedly connected with a telescopic rod 30, the top end of the telescopic rod 30 is fixedly connected with the cavity III 29, a spring 31 is sleeved outside the telescopic rod 30, and the top end and the bottom end of the spring 31 are respectively and fixedly connected to the cavity III 29 and the limiting pin 28.

The technical scheme composed of the technical characteristics has the following technical effects: when the receiving basket 12 needs to be replaced, the user only needs to stretch fingers or other hard objects into the cavity IV 26 to stir the stirring rod 27, and at the moment, the stirring rod 27 starts pushing the limiting pin 28 to enable the limiting pin to move and return to the cavity III 29, and compresses the spring 31 and the telescopic rod 30 until the limiting pin completely returns to the cavity III 29, and at the moment, an operator can slide the receiving basket 12 out of the sliding rail 11 to replace.

It should be particularly noted herein that the components described and identified herein and in the drawings of the present utility model are all key components forming the present utility model, and that the remaining non-key components or obvious components of the prior art include, but are not limited to: the screws, nuts, rotating parts and their associated support structures, as well as technical features similar to the prior art, are not shown, but are not meant to indicate that the above mentioned parts are not present in the present utility model nor are they to be construed as practical limitations of the present utility model.

It should be noted that the driving of each component and the effect achieved by the driving of the component in the present utility model, including but not limited to the driving of the motor 25, the driving of the telescopic cylinder 5, the driving of the limiting roller 9, and any other components or devices that need to be driven by electric power, all require additional wiring, or the installation of a power source, a driving motor, and other components to achieve the driving, and if it is desired to obtain parameters such as a pushing speed, the driving of the limiting roller needs additional installation of a control module or a singlechip and programming of the driving motor, and because the wiring, the power source, the driving motor, the control module, the singlechip, and other components all belong to existing mature technologies in the market, and are also known to those of ordinary skill in the art, they are not described and identified in the present utility model and in the drawings, and the technical principles thereof are not described herein.

The specific embodiments of the present utility model have been explained by the explanation of the technical effects described above, and thus are omitted herein.

The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.

Claims

1. Injection molding mould for in-mould hot cutting system, including mounting (1), its characterized in that: the utility model is characterized in that the fixing piece (1) is two used in opposite directions of front and back ends, a through hole (2) longitudinally arranged is formed in the upper and lower parts and two sides of the fixing piece (1), a slide column (3) is connected in a sliding manner in the through hole (2), a fixing seat (4) is fixedly connected in the middle of the top end of the fixing piece (1), the front and back ends are fixedly connected with a male die (6) through telescopic cylinders (5) arranged between the fixing seats (4), the back ends are fixedly connected with a female die (7) in the middle of the front end of the fixing piece (1), a forming area (8) is formed in the middle of the front end of the male die (6), a plurality of limit rollers (9) which are uniformly distributed in an arc shape are connected in an inserted manner are arranged in the upper and lower ends of the forming area (8), pushing structures (10) are arranged in the middle of the limit rollers (9), sliding rails (11) are fixedly connected to the two sides of the bottom end of the male die (6), a supporting basket (12) are connected in a sliding manner, a supporting basket (12) is connected with a supporting basket (14) through the supporting basket (12) in a rotating manner, a supporting basket (14), the utility model discloses a mould, including female mould (7), partition wall (15) below is provided with sliding connection in accepting drawer (16) of basket (12) inside, the rear end fixedly connected with of drawer (16) cooperates backplate (32) that partition wall (15) used, die cavity (17) are all opened to the front end upper and lower part and both sides of male mould (6), the rear end fixedly connected with cooperation die cavity (17) used module (18).

2. An injection mold for an in-mold hot cutting system according to claim 1, wherein: the pushing structure (10) comprises a first cavity (19) which is formed in the upper end and the lower end of the inside of the male die (6), a second cavity (20) is formed in the rear end of the first cavity (19), fixed blocks (21) are fixedly connected to the front and the rear of the top end of the first cavity (19), the front and the rear fixed blocks (21) are connected with each other through threaded rods (22), and the threaded rods (22) are connected with the fixed blocks (21) in a rotating mode.

3. An injection mold for an in-mold hot cutting system according to claim 2, wherein: threaded rod (22) are gone up threaded connection and are had screw thread piece (23), screw thread piece (23) bottom front portion fixedly connected with thimble (24), cavity second (20) inside is provided with motor (25), the output of motor (25) passes cavity second (20) and fixed block (21) and threaded rod (22) fixed connection.

4. An injection mold for an in-mold hot cutting system according to claim 1, wherein: the limiting structure (13) comprises a cavity IV (26) which is formed in the shape of an L and is arranged at the front end and the rear end of one side of the receiving basket (12), a poking rod (27) is rotatably connected in the cavity IV (26), and a limiting pin (28) matched with the poking rod (27) for use is arranged on the poking rod.

5. An injection mold for in-mold hot cutting systems as defined in claim 4, wherein: the sliding rail (11) is provided with a cavity III (29) matched with the limiting pin (28), telescopic rods (30) are fixedly connected to two sides of the middle of the top end of the limiting pin (28), the top ends of the telescopic rods (30) are fixedly connected with the cavity III (29), springs (31) are sleeved on the outer parts of the telescopic rods (30), and the top ends and the bottom ends of the springs (31) are fixedly connected to the cavity III (29) and the limiting pin (28) respectively.