CN214026968U

CN214026968U - Injection mold with automatic cutout mechanism

Info

Publication number: CN214026968U
Application number: CN202023107565.XU
Authority: CN
Inventors: 刘淼; 陈春辉; 刘华; 刘兵兴; 戴传义
Original assignee: Shenzhen Shixing Industrial Co ltd
Current assignee: Shenzhen Shixing Industrial Co ltd
Priority date: 2020-12-21
Filing date: 2020-12-21
Publication date: 2021-08-24
Anticipated expiration: 2030-12-21

Abstract

The utility model discloses an injection mold with automatic cutout mechanism relates to injection mold technical field, including the workstation, the lower mould is installed through the bolt in the inside of workstation, and the die cavity has been seted up at the top of lower mould. The utility model discloses a be provided with first motor, two-way screw rod, the thread bush, the rotation axis, connecting rod and mounting panel, when installing the mould of different specification models on the workstation, user's accessible operating panel starts first motor just reversing, make two-way screw rod rotate, thereby make the thread bush remove on two-way screw rod, the thread bush is at the in-process that removes and then make the connecting rod rotate under the effect of rotation axis, thereby make the connecting rod drive the mounting panel and move from top to bottom, thereby it reciprocates to drive the fixed plate at the in-process that reciprocates through the mounting panel, thereby adjust the high position of cutting plate, with the injection mold who is applicable to different specification models, this shutdown mechanism's suitability has been promoted.

Description

Injection mold with automatic cutout mechanism

Technical Field

The utility model relates to an injection mold technical field specifically is an injection mold with automatic cutout mechanism.

Background

The injection molding method has the advantages of high production speed, high efficiency, automation operation, various colors, shapes from simple to complex, sizes from large to small, accurate product size, easy product updating, capability of forming products with complex shapes, suitability for the fields of mass production, complex-shaped products and other molding and processing, and is suitable for mass production of complex-shaped components.

According to chinese patent publication No. CN210733153U, an injection mold with an automatic cutting mechanism is disclosed, comprising: an upper fixed plate, last mould, lower mould, ejection mechanism, bottom plate, cutting device, an upper fixed plate, last mould, lower mould, the compound mechanism in top, bottom plate from the top down set gradually, cutting device sets up in ejection mechanism's side, cutting device includes: the cutting device comprises an air cylinder, a cutter and a support frame, wherein the air cylinder is arranged above the support frame, and the cutter is arranged at the end part of a piston rod of the air cylinder.

According to the utility model, the collecting box is arranged at the side of the ejection mechanism and is arranged at one side opposite to the cutting device, so that the cut residual gates can be collected in a concentrated manner, and the residual plastic rubber at the gates is directly removed before the injection molding product is demoulded, so that the production process is reduced; however, the cutting mechanism in the device is arranged at one side of the corresponding injection mold, so that the injection molds of different specifications are difficult to cut, and the cutting mechanism needs to be correspondingly arranged after the injection molds of different specifications and models are used for injection molding, so that a large amount of economy and labor force needs to be consumed, and the applicability of the structure is further reduced; meanwhile, the injection molding part is automatically ejected out through the spring, so that the elastic potential energy of the spring is possibly reduced when the spring is extruded under high pressure for a long time, the injection molding part is difficult to eject, meanwhile, the injection molding part is possibly closely connected to the inside of the cavity, and the elastic potential energy of the spring is difficult to eject the injection molding part.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problems that the cutting mechanism is difficult to cut injection molds of different specifications and models, the applicability of the cutting mechanism is reduced, and the injection molding piece is difficult to jack up due to the possibility of insufficient elasticity of a spring after long-time use, the injection mold with the automatic cutting mechanism is provided.

In order to achieve the above object, the utility model provides a following technical scheme: an injection mold with an automatic cutting mechanism comprises a workbench, wherein a lower mold is installed inside the workbench through bolts, a cavity is formed in the top of the lower mold, an ejector plate is installed inside the cavity, a second motor is installed on two sides inside the lower mold, a reel is installed at the output end of the second motor through a driving shaft, sliding grooves are formed in two sides inside the lower mold, sliding blocks are installed inside the sliding grooves, ejector rods extending to the bottom of the ejector plate are connected to the tops of the sliding blocks, pull ropes extending to the tops of the sliding blocks are connected to the outer surfaces of the reel, a transverse plate is installed at the top of the workbench through supporting columns, a second air cylinder is installed at the top of the transverse plate, an upper mold is installed at the output end of the second air cylinder through a second piston rod, an injection molding pipeline is arranged at the top of the upper mold, a cavity and a through hole are formed in the top of the workbench, first motor is installed to one side of workstation, the output of first motor is connected with the two-way screw rod that extends to the cavity inside, the thread bush is all installed to the surface both sides of two-way screw rod, the connecting rod is installed through the rotation axis in the top of thread bush, the mounting panel is installed on the top of connecting rod, the top of mounting panel is fixed with the fixed plate, first cylinder is installed to one side of fixed plate, the cutting board is installed through first piston rod to the output of first cylinder.

Preferably, the connecting rods are provided with two, the two connecting rods are rotatably connected with the threaded sleeve and the mounting plate through rotating shafts, and the threaded sleeve is in threaded connection with the bidirectional screw.

Preferably, the cutting plate is positioned on one side of the lower die, and the bottom of the cutting plate is in contact with the top of the workbench.

Preferably, the sliding block is connected with the lower die in a sliding mode through a sliding groove, and the sliding block is located right below the die cavity.

Preferably, the number of the pull ropes is two, and the two pull ropes are symmetrically distributed along the center line of the longitudinal axis of the lower die.

Preferably, the injection molding pipeline is positioned right above the cavity.

Preferably, the outer surface of the workbench is provided with an operation panel, and the operation panel is respectively electrically connected with the first cylinder, the second cylinder, the first motor and the second motor.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model is provided with a first motor, a two-way screw, a thread bush, a rotating shaft, a connecting rod and a mounting plate, when the moulds with different specifications and models are arranged on the workbench, a user can start the first motor to rotate forward and backward through the operation panel to rotate the bidirectional screw rod, thereby leading the two thread sleeves to move oppositely on the bidirectional screw rod, leading the thread sleeves to rotate under the action of the rotating shaft in the moving process, thereby leading the connecting rod to drive the mounting plate to move up and down, driving the fixing plate to move up and down in the process of moving up and down through the mounting plate, thereby adjusting the height position of the cutting plate to be suitable for injection molds of different specifications and models, therefore, the cutting-off mechanisms do not need to be installed in a one-to-one correspondence mode, the economical use is reduced, and the applicability of the cutting-off mechanisms is improved;

2. the utility model discloses a be provided with the second motor, the reel, the stay cord, a slide block, spout and ejector pin, after the completion of moulding plastics current injection molding, the user alright start the second motor corotation through operating panel, thereby make the second motor drive the reel corotation, thereby reel corotation back carries out the rolling to the stay cord, the stay cord slides the slider in the spout with the pulling slider in the in-process of rolling, thereby make the slider drive the ejector pin rebound, jack-up through the ejector pin to the ejector plate, thereby make the ejector plate ejecting to the injection molding, make the ejecting high accessible second motor adjustment to the injection molding, the precision is high and convenient.

Drawings

FIG. 1 is a schematic view of a three-dimensional structure of a workbench according to the present invention;

FIG. 2 is a schematic view of a front cross-section structure of the workbench of the present invention;

fig. 3 is an enlarged view of a point a in fig. 2 according to the present invention;

fig. 4 is an enlarged view of the point B in fig. 2 according to the present invention.

In the figure: 1. a work table; 2. a lower die; 3. an upper die; 4. injecting a pipeline; 5. a chute; 6. a slider; 7. pulling a rope; 8. a top rod; 9. ejecting the plate; 10. a cavity; 11. a first motor; 12. a bidirectional screw; 13. a threaded sleeve; 14. a rotating shaft; 15. a connecting rod; 16. mounting a plate; 17. a first cylinder; 18. a first piston rod; 19. cutting off the plate; 20. a fixing plate; 21. a second cylinder; 22. a second piston rod; 23. An operation panel; 24. a transverse plate; 25. a second motor; 26. a reel; 27. a cavity; 28. and a through hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "disposed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. The following describes an embodiment of the present invention according to its overall structure.

Referring to fig. 1-4, an injection mold with an automatic cutting mechanism includes a working table 1, a lower mold 2, an upper mold 3, an injection pipeline 4, a chute 5, a slider 6, a pull rope 7, a push rod 8, a push plate 9, a cavity 10, a first motor 11, a two-way screw 12, a thread bushing 13, a rotating shaft 14, a connecting rod 15, a mounting plate 16, a first cylinder 17, a first piston rod 18, a cutting plate 19, a fixing plate 20, a second cylinder 21, a second piston rod 22, an operation panel 23, a transverse plate 24, a second motor 25, a reel 26, a cavity 27 and a through hole 28; the lower die 2 is installed inside the workbench 1 through bolts, the top of the lower die 2 is provided with a cavity 10, the cavity 10 is internally provided with an ejector plate 9, two sides inside the lower die 2 are both provided with second motors 25, the output ends of the second motors 25 are provided with reels 26 through drive shafts, two sides inside the lower die 2 are both provided with chutes 5, the chutes 5 are internally provided with sliders 6, the tops of the sliders 6 are connected with ejector rods 8 extending to the bottoms of the ejector plates 9, the outer surfaces of the reels 26 are connected with pull ropes 7 extending to the tops of the sliders 6, the top of the workbench 1 is provided with a transverse plate 24 through a support column, the top of the transverse plate 24 is provided with a second cylinder 21, the output ends of the second cylinder 21 are provided with an upper die 3 through a second piston rod 22, the top of the upper die 3 is provided with an injection molding pipeline 4, the top of the workbench 1 is provided with a cavity 27 and a through hole 28, one side of the workbench 1 is provided with a first motor 11, the output end of the first motor 11 is connected with a bidirectional screw 12 extending into the cavity 27, both sides of the outer surface of the bidirectional screw 12 are provided with a threaded sleeve 13, the top of the threaded sleeve 13 is provided with a connecting rod 15 through a rotating shaft 14, the top end of the connecting rod 15 is provided with a mounting plate 16, the top of the mounting plate 16 is fixed with a fixing plate 20, one side of the fixing plate 20 is provided with a first air cylinder 17, and the output end of the first air cylinder 17 is provided with a cutting plate 19 through a first piston rod 18.

Please refer to fig. 1, fig. 2 and fig. 4, two connecting rods 15 are provided, both connecting rods 15 are rotatably connected with the threaded sleeves 13 and the mounting plate 16 through the rotating shaft 14, the threaded sleeves 13 are threadedly connected with the two-way screw 12, so that the connecting rods 15 rotate through the rotating shaft 14, and the two threaded sleeves 13 move towards each other on the two-way screw 12; the cutting plate 19 is positioned on one side of the lower die 2, and the bottom of the cutting plate 19 is in contact with the top of the workbench 1, so that the pouring opening can be cut by the cutting plate 19 after the injection molding part is ejected to the same horizontal plane with the workbench.

Please refer to fig. 2-3, the sliding block 6 is connected with the lower die 2 through the sliding groove 5, the sliding block 6 is located right below the cavity 10, so that the sliding block 6 slides in the sliding groove 5, and the sliding block 6 drives the ejector rod 8 to jack; the stay cord 7 is provided with two, and two stay cords 7 are along the axis of ordinates central line symmetric distribution of lower mould 2, through two stay cords 7 pulling slider 6 for slider 6's connection is more stable.

Referring to fig. 1-2, the injection pipe 4 is located right above the cavity 10, so that the injection raw material is injected into the cavity 10 through the injection pipe 4; an operation panel 23 is installed on the outer surface of the workbench 1, and the operation panel 23 is electrically connected with the first cylinder 17, the second cylinder 21, the first motor 11 and the second motor 25 respectively, so that a user can open or close the first cylinder 17, the second cylinder 21, the first motor 11 and the second motor 25 through the operation panel 23.

The working principle is as follows: firstly, a user places an injection mold on a workbench 1, then the injection mold can drive an upper mold 3 to move through a second air cylinder 21 and a second piston rod 22, after the upper mold 3 and a lower mold 2 are closed, injection raw materials can be injected into a cavity 10 through an injection pipeline 4, after injection is completed, the upper mold 3 is lifted through the second air cylinder 21 and the second piston rod 22, then a second motor 25 can be started to rotate forwards through an operation panel 23, so that the second motor 25 drives a reel 26 to rotate forwards, the reel 26 rotates forwards and then winds a pull rope 7, the pull rope 7 pulls a sliding block 6 to slide upwards in a sliding groove 5 in the winding process, so that the sliding block 6 drives a mandril 8 to move upwards, the mandril 8 jacks up a jacking plate 9, so that the jacking plate 9 jacks out an injection molding piece, and then the first air cylinder 17 is started, make first cylinder 17 drive first piston rod 18 extension, thereby make cutting off board 19 cut off pouring opening, when installing the mould of different specification models on workstation 1, user's accessible operating panel 23 starts first motor 11 and just reverses, make two-way screw rod 12 rotate, thereby make two thread bush 13 move on two-way screw rod 12 in opposite directions, thread bush 13 is at the in-process that removes and then makes connecting rod 15 rotate under the effect of rotation axis 14, thereby make connecting rod 15 drive mounting panel 16 move from top to bottom, thereby drive fixed plate 20 through mounting panel 16 at the in-process that reciprocates and reciprocate, thereby adjust the high position of cutting off board 19.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. An injection mold with automatic shutdown mechanism, includes workstation (1), its characterized in that: the utility model discloses a novel hydraulic mould, including workstation (1), lower mould (2) are installed through the bolt to the inside of workstation (1), die cavity (10) have been seted up at the top of lower mould (2), the internally mounted of die cavity (10) has liftout plate (9), second motor (25) are all installed to the inside both sides of lower mould (2), reel (26) are installed through the drive shaft to the output of second motor (25), spout (5) have all been seted up to the inside both sides of lower mould (2), the internally mounted of spout (5) has slider (6), the top of slider (6) is connected with ejector pin (8) that extend to liftout plate (9) bottom, the surface of reel (26) is connected with stay cord (7) that extend to slider (6) top, diaphragm (24) are installed through the pillar at the top of workstation (1), second cylinder (21) are installed at the top of diaphragm (24), the output end of the second cylinder (21) is provided with an upper die (3) through a second piston rod (22), the top of the upper die (3) is provided with an injection molding pipeline (4), the top of the workbench (1) is provided with a cavity (27) and a through hole (28), a first motor (11) is arranged on one side of the workbench (1), the output end of the first motor (11) is connected with a bidirectional screw rod (12) extending into the cavity (27), both sides of the outer surface of the bidirectional screw rod (12) are provided with thread sleeves (13), the top of the threaded sleeve (13) is provided with a connecting rod (15) through a rotating shaft (14), a mounting plate (16) is arranged at the top end of the connecting rod (15), a fixing plate (20) is fixed at the top of the mounting plate (16), a first air cylinder (17) is installed on one side of the fixing plate (20), and a cutting plate (19) is installed at the output end of the first air cylinder (17) through a first piston rod (18).

2. An injection mold having an automatic shut off mechanism as defined in claim 1, wherein: the connecting rods (15) are arranged in two, the connecting rods (15) are rotatably connected with the threaded sleeve (13) and the mounting plate (16) through rotating shafts (14), and the threaded sleeve (13) is in threaded connection with the bidirectional screw (12).

3. An injection mold having an automatic shut off mechanism as defined in claim 1, wherein: the cutting plate (19) is positioned on one side of the lower die (2), and the bottom of the cutting plate (19) is in contact with the top of the workbench (1).

4. An injection mold having an automatic shut off mechanism as defined in claim 1, wherein: the sliding block (6) is in sliding connection with the lower die (2) through the sliding groove (5), and the sliding block (6) is located under the die cavity (10).

5. An injection mold having an automatic shut off mechanism as defined in claim 1, wherein: the two pull ropes (7) are symmetrically distributed along the center line of the longitudinal axis of the lower die (2).

6. An injection mold having an automatic shut off mechanism as defined in claim 1, wherein: the injection molding pipeline (4) is positioned right above the cavity (10).

7. An injection mold having an automatic shut off mechanism as defined in claim 1, wherein: the outer surface mounting of workstation (1) has operating panel (23), just operating panel (23) respectively with first cylinder (17), second cylinder (21), first motor (11) and second motor (25) electric connection.