CN215661628U

CN215661628U - Integrated demoulding device for injection moulding thin-walled part

Info

Publication number: CN215661628U
Application number: CN202121281218.0U
Authority: CN
Inventors: 杨连军; 范伟伟
Original assignee: Suzhou Endu Molding Technology Co ltd
Current assignee: Suzhou Endu Molding Technology Co ltd
Priority date: 2021-06-09
Filing date: 2021-06-09
Publication date: 2022-01-28
Anticipated expiration: 2031-06-09

Abstract

The utility model discloses an integrated demoulding device for injection moulding of thin-walled parts, and particularly relates to the technical field of injection moulding demoulding, wherein the integrated demoulding device comprises a positioning seat, wherein an injection moulding mechanism is arranged on one side of the positioning seat; the injection molding mechanism comprises an outer mold, a pouring gate is arranged at the top of the outer mold, two first L-shaped fixing plates are fixedly arranged on one side of the outer mold, an inner mold is arranged inside the outer mold, two second L-shaped fixing plates are fixedly arranged on one side of the inner mold, and two guide rods are arranged at the bottom of the positioning seat. The injection molding mechanism is arranged, the second fixing seat is matched with the guide rod to fix the sliding block, and the positioning seat is fixed at the top of the sliding block, so that the injection molding mechanism is fixed on the guide rod, the inner mold is separated from the outer mold only by moving the sliding block, the effect of sliding mold stripping is achieved, the first L-shaped fixing plate and the second L-shaped fixing plate are matched with the L-shaped grooves in the two positioning seats, the effect of replacing the mold is effectively achieved, and the efficiency of mold stripping and injection molding is greatly improved.

Description

Integrated demoulding device for injection moulding thin-walled part

Technical Field

The utility model relates to the technical field of injection molding and demolding, in particular to an integrated demolding device for an injection molding thin-walled piece.

Background

The injection mold consists of a movable mold and a fixed mold, wherein the movable mold is arranged on a movable template of the injection molding machine, and the fixed mold is arranged on a fixed template of the injection molding machine. And when the mold is opened, the movable mold is separated from the fixed mold so as to take out the plastic product. The structure of the mold may vary widely depending on the type and properties of the plastic, the shape and structure of the plastic product, and the type of injection machine, but the basic structure is consistent. The mold mainly comprises a pouring system, a temperature adjusting system, a forming part and a structural part.

However, in actual use, when the existing mold is used for injection molding, one mold mechanism can only be used with one mold, cannot be used for a plurality of molds, and demolding is very inconvenient.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above defects in the prior art, embodiments of the present invention provide an integrated demolding device for injection molding of a thin-walled part, and an injection molding mechanism is provided to solve the problems that one mold mechanism provided in the above background art can only be used with one mold, cannot be used for multiple molds, and is very inconvenient to demold.

In order to achieve the purpose, the utility model provides the following technical scheme: an integrated demoulding device for injection moulding of thin-walled parts comprises a positioning seat, wherein an injection moulding mechanism is arranged on one side of the positioning seat;

the injection molding mechanism comprises an outer mold, the top of the outer mold is provided with a sprue gate, two first L-shaped fixing plates are fixedly arranged on one side of the outer mold, an inner mold is arranged inside the outer mold, two second L-shaped fixing plates are fixedly arranged on one side of the inner mold, two guide rods are arranged at the bottom of the positioning seat, a fixing block is fixedly arranged on one side of the positioning seat, a rotary pull rod is arranged inside the fixing block, a first helical gear is arranged on the outer side of the rotary pull rod, a first fixing seat is arranged outside the first helical gear, a second helical gear is arranged on one side of the first helical gear, and a motor is fixedly arranged on one side of the second helical gear.

In a preferred embodiment, a first circular groove is formed in the bottom surface of the outer die, a push-pull rod is arranged inside the first circular groove, the push-pull rod penetrates through the outer die and extends to the outside of the positioning seat, threads are formed in the surface of one side of the push-pull rod, a spring is arranged on the outside of the push-pull rod, fixing ring plates are arranged on two sides of the spring and fixedly connected with the threads of the push-pull rod, and a fixing handle is arranged on the outside of the push-pull rod and fixedly connected with the threads of the push-pull rod.

In a preferred embodiment, the number of the positioning seats is two, two L-shaped grooves are formed in the surfaces of the two positioning seats, the first L-shaped fixing plate and the second L-shaped fixing plate are respectively arranged inside the L-shaped grooves, and the outer mold and the inner mold are respectively and fixedly connected with the positioning seats in a sliding manner.

In a preferred embodiment, the outer sides of the two guide rods are fixedly provided with a second fixed seat, the bottoms of the two fixed seats are fixedly provided with sliding blocks, and the sliding blocks are connected with the guide rods in a sliding manner.

In a preferred embodiment, the first helical gear is in gear connection with the second helical gear, and the first helical gear is in threaded movable connection with the rotary pull rod.

In a preferred embodiment, the rotary pull rod penetrates through the first fixing seat, the rotary pull rod is in threaded movable connection with the first fixing seat, a second circular groove is formed in the surface of one side of the fixing block, and a stop block is fixedly arranged at the bottom of the rotary pull rod.

The utility model has the technical effects and advantages that:

1. through the arrangement of the injection molding mechanism, the second fixing seat is matched with the guide rod to fix the sliding block, and meanwhile, the positioning seat is fixed at the top of the sliding block, so that the injection molding mechanism is fixed on the guide rod, only the sliding block needs to be moved, the inner mold is separated from the outer mold, and therefore the sliding and demolding effects are achieved;

2. the push-pull rod is fixed by matching the groove on the outer die with the positioning seat, so that the positioning and fixing effects are achieved, the fixed ring plate is in threaded connection with the threads on the push-pull rod, the fixed ring plate is matched with the spring to achieve the effects of fixing and limiting the push-pull rod, the fixing handle is matched with the push-pull rod to achieve the effect of facilitating push-pull, and the effect of quickly demolding is effectively achieved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic front view of the present invention.

FIG. 3 is a schematic view of the structure at A in FIG. 1 according to the present invention.

Fig. 4 is a perspective view of the power structure of the present invention.

The reference signs are: 1. positioning seats; 2. an outer mold; 3. a pouring gate; 4. a first L-shaped fixing plate; 5. an inner mold; 6. a second L-shaped fixing plate; 7. a guide bar; 8. a fixed block; 9. rotating the pull rod; 10. a first helical gear; 11. a first fixed seat; 12. a second helical gear; 13. a motor; 14. a first circular groove; 15. a push-pull rod; 16. a spring; 17. a stationary ring plate; 18. a fixed handle; 19. an L-shaped groove; 20. a second fixed seat; 21. a slider; 22. a second circular groove; 23. and a stop block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The integrated demoulding device for the injection moulding thin-wall part shown in the attached figures 1-4 comprises a positioning seat 1, wherein one side of the positioning seat 1 is provided with an injection moulding mechanism;

injection molding mechanism includes

external mold

2, 2 tops of external mold are equipped with

sprue gate

3, 2 one sides of external mold are fixed and are equipped with two first L type

fixed plates

4, 2 inside centre forms 5 that are equipped with of external mold, 5 one sides of centre forms are fixed and are equipped with two second L type fixed

plates

6, 1 bottom of positioning seat is equipped with two

guide arms

7, 1 one side of positioning seat is fixed and is equipped with

fixed block

8, 8 inside rotating pull rod 9 that is equipped with of fixed block, the rotating pull rod 9 outside is equipped with first helical gear 10, first helical gear 10 outside is equipped with first fixing base 11, first helical gear 10 one side is equipped with second helical gear 12, the fixed motor 13 that is equipped with in second helical gear 12 one side.

As shown in fig. 1, a first circular groove 14 is formed in the bottom surface of the outer mold 2, a push-pull rod 15 is arranged inside the first circular groove 14, the push-pull rod 15 penetrates through the outer mold 2 and extends to the outer side of the positioning seat 1, threads are formed in the surface of one side of the push-pull rod 15, a spring 16 is arranged on the outer side of the push-pull rod 15, fixing ring plates 17 are arranged on two sides of the spring 16, the fixing ring plates 17 are fixedly connected with the push-pull rod 15 through the threads, a fixing handle 18 is arranged on the outer side of the push-pull rod 15, and the fixing handle 18 is fixedly connected with the push-pull rod 15 through the threads, so that the rapid demolding effect is achieved.

As shown in the attached drawing 1, the number of the positioning seats 1 is two, two L-shaped grooves 19 are formed in the surfaces of the two positioning seats 1, the first L-shaped fixing plate 4 and the second L-shaped fixing plate 6 are respectively arranged in the L-shaped grooves 19, and the outer mold 2 and the inner mold 5 are respectively and fixedly connected with the positioning seats 1 in a sliding manner, so that the mold replacement function is conveniently realized.

As shown in fig. 2, the outer sides of the two guide rods 7 are fixedly provided with a second fixing seat 20, the bottoms of the two positioning seats 1 are fixedly provided with sliding blocks 21, the sliding blocks 21 are slidably connected with the guide rods 7, and the sliding blocks 21 are slidably connected with the guide rods 7 so as to have a sliding function.

As shown in fig. 1 and 4, the first helical gear 10 is in gear connection with the second helical gear 12, and the first helical gear 10 is in threaded movable connection with the rotary pull rod 9 so as to transmit power to enable the positioning seat 1 to move.

As shown in fig. 1 and fig. 3, the rotating pull rod 9 penetrates through the first fixing seat 11, the rotating pull rod 9 is movably connected with the first fixing seat 11 through threads, a second round groove 22 is formed in the surface of one side of the fixing block 8, a stop block 23 is fixedly arranged at the bottom of the rotating pull rod 9, and the first fixing seat 11 is used for fixing the rotating pull rod 9 and the rotating pull rod 9 to move.

The working principle of the utility model is as follows: during injection molding, by replacing the proper outer mold 2 and the proper inner mold 5, the motor 13 is started to work, the motor 13 drives the second bevel gear 12 to rotate, the second bevel gear 12 drives the first bevel gear 10 to rotate, the first bevel gear 10 rotates to drive the rotary pull rod 9 to move left and right, the rotary pull rod 9 drives the fixed block 8 to move left and right, thereby driving the positioning seat 1 to move left and right, when the outer die 2 is combined and fixed with the inner die, the raw material enters the space where the outer die 2 is combined with the inner die 5 through the pouring gate 3, after the inner space is filled with the raw materials, the injection molding is finished, after a period of cooling and solidification, the motor 13 is started again to separate the inner mold 5 from the outer mold 2, after the push-pull rod 15 is moved by the fixing handle 18, so that the mold inside the outer mold 2 moves to be separated from the outer mold 2, the moved push-pull rod 15 returns to the original position through the pressure of the spring 16, thereby performing the functions of quick mold release and injection molding.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the utility model, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the utility model can be combined with each other without conflict;

and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.

Claims

1. The utility model provides an integrative shedder of injection moulding thin wall spare, includes positioning seat (1), its characterized in that: one side of the positioning seat (1) is provided with an injection molding mechanism;

injection molding mechanism includes external mold (2), external mold (2) top is equipped with sprue gate (3), external mold (2) one side is fixed and is equipped with two first L type fixed plates (4), external mold (2) inside is equipped with centre form (5), centre form (5) one side is fixed and is equipped with two second L type fixed plates (6), positioning seat (1) bottom is equipped with two guide arms (7), positioning seat (1) one side is fixed and is equipped with fixed block (8), fixed block (8) inside is equipped with rotatory pull rod (9), the rotatory pull rod (9) outside is equipped with first helical gear (10), first helical gear (10) outside is equipped with first fixing base (11), first helical gear (10) one side is equipped with second helical gear (12), second helical gear (12) one side is fixed and is equipped with motor (13).

2. The integrated demolding device for the injection-molded thin-walled part according to claim 1, characterized in that: the positioning device is characterized in that a first circular groove (14) is formed in the surface of the bottom of the outer die (2), a push-pull rod (15) is arranged inside the first circular groove (14), the push-pull rod (15) penetrates through the outer die (2) and extends to the outer side of the positioning seat (1), threads are arranged on the surface of one side of the push-pull rod (15), a spring (16) is arranged on the outer side of the push-pull rod (15), fixing ring plates (17) are arranged on two sides of the spring (16), the fixing ring plates (17) are fixedly connected with the push-pull rod (15) through threads, a fixing handle (18) is arranged on the outer side of the push-pull rod (15), and the fixing handle (18) is fixedly connected with the push-pull rod (15) through threads.

3. The integrated demolding device for the injection-molded thin-walled part according to claim 1, characterized in that: the number of the positioning seats (1) is two, two L-shaped grooves (19) are formed in the surface of the positioning seat (1), the first L-shaped fixing plate (4) and the second L-shaped fixing plate (6) are arranged inside the L-shaped grooves (19) respectively, and the outer mold (2) and the inner mold (5) are fixedly connected with the positioning seat (1) in a sliding mode respectively.

4. The integrated demolding device for the injection-molded thin-walled part according to claim 1, characterized in that: two guide arm (7) outside is fixed and is equipped with second fixing base (20), two fixing base (1) bottom is fixed and is equipped with sliding block (21), sliding block (21) and guide arm (7) sliding connection.

5. The integrated demolding device for the injection-molded thin-walled part according to claim 1, characterized in that: the first helical gear (10) is in gear connection with the second helical gear (12), and the first helical gear (10) is movably connected with the rotary pull rod (9) through threads.

6. The integrated demolding device for the injection-molded thin-walled part according to claim 1, characterized in that: rotatory pull rod (9) run through first fixing base (11), rotatory pull rod (9) and first fixing base (11) screw thread swing joint, fixed block (8) side surface is equipped with second circle recess (22), rotatory pull rod (9) bottom is fixed and is equipped with dog (23).