CN111844630A

CN111844630A - Injection mold with surplus limit cutting function

Info

Publication number: CN111844630A
Application number: CN201910359156.1A
Authority: CN
Inventors: 查国东; 储振亚; 储亮; 李云雷; 程志刚
Original assignee: Anhui Keruite Molding Co ltd
Current assignee: Anhui Keruite Molding Co ltd
Priority date: 2019-04-30
Filing date: 2019-04-30
Publication date: 2020-10-30

Abstract

The invention discloses an injection mold with a surplus edge cutting function, which comprises a left mold, a demolding cavity, a demolding plate, a right mold and a top plate, wherein the demolding cavity is arranged inside the left mold, demolding cylinders with equal intervals are arranged inside the demolding cavity, the demolding plate is arranged inside the demolding cavity on one side of the demolding cylinder, a pressing frame is arranged inside the left mold on one side of the demolding cavity, the right mold is arranged on one side of the left mold, a pressing tool is fixed on the outer wall of the right mold close to one side of the left mold, buffering sinking grooves are formed in the corner positions outside the pressing tool, liquid injection grooves are formed in the outer walls of the right mold and one side of the left mold, and a cutting structure is arranged inside the right mold on one side of a flow channel. The invention not only realizes the function of cutting the residual edge when the injection mold performs injection molding, shortens the demoulding time of the injection mold, but also improves the convenience degree when the injection mold is used.

Description

Injection mold with surplus limit cutting function

Technical Field

The invention relates to the technical field of injection molding, in particular to an injection mold with a residual edge cutting function.

Background

The injection mold is a tool for producing plastic products and also a tool for endowing the plastic products with complete structures and accurate dimensions, and the injection molding is a processing method used for batch production of parts with complex shapes, in particular to a method for injecting heated and melted plastics into a mold cavity from an injection molding machine at high pressure and obtaining a formed product after cooling and solidification.

The existing injection molds have more types, but still have certain problems, and the specific problems are as follows:

1. the traditional injection mold is not provided with a residual edge cutting function during injection molding, so that the use range of the injection mold is seriously reduced;

2. the traditional injection mold is complicated in demolding, so that the working efficiency of the injection mold is greatly reduced;

3. the traditional injection mold is not provided with buffering and indicating functions during injection molding, so that the convenience degree of the injection mold during use is greatly influenced.

Disclosure of Invention

The present invention is directed to an injection mold with a function of cutting a residual edge, so as to solve the problems mentioned in the background art.

In order to achieve the purpose, the invention provides the following technical scheme: an injection mold with a surplus edge cutting function comprises a left mold, a demolding cavity, a demolding plate, a right mold and a top plate, wherein the demolding cavity is arranged inside the left mold, demolding cylinders with equal intervals are arranged inside the demolding cavity, the demolding plate is arranged inside the demolding cavity on one side of the demolding cylinder, the surface of the demolding plate is fixedly connected with the output end of the demolding cylinder, a pressing frame is arranged inside the left mold on one side of the demolding cavity, limiting sinking grooves are formed in the corner positions of the left mold outside the pressing frame, a right mold is arranged on one side of the left mold, a pressing tool is fixed on the outer wall, close to one side of the left mold, of the right mold, the pressing tool and the pressing frame are matched with each other, buffering sinking grooves are formed in the corner positions outside the pressing tool, a limiting rod is installed in the center position inside the buffering sinking grooves, and a copper sheet is installed on the surface of the limiting rod, the outer wall of one side of the right die and the outer wall of one side of the left die are both provided with liquid injection grooves, the surfaces of the right die and the left die at the positions of the liquid injection grooves are both provided with runners, and cutting structures are arranged inside the right die on one side of the runners.

Preferably, a top plate is fixed at one end, far away from the demoulding cylinder, of the demoulding plate, one end of the top plate extends into the pressing frame, and the end, located inside the pressing frame, of the top plate and the bottom of the pressing frame are located on the same plane.

Preferably, the inside in spacing heavy groove is fixed with the touching inductor, and the touching inductor is mutually supported with the touching copper sheet.

Preferably, the surface cover of gag lever post is equipped with buffer spring, and buffer spring's maximum diameter is less than the internal diameter that the heavy groove of buffering to buffer spring's maximum length is greater than the degree of depth that the heavy groove of buffering, and buffer spring's minimum length is less than the degree of depth that the heavy groove of buffering.

Preferably, the cutting structure has set gradually cutting chamber, cutting jar, cutting blade and blade groove from the right side to a left side, the inside of right side mould is provided with the cutting chamber, and installs the cutting jar on the inside wall in cutting chamber, cutting blade is installed to the output of cutting jar.

Preferably, a blade groove is formed in the right die on one side of the cutting cavity, one end of the cutting blade penetrates through the blade groove and extends into the flow channel, and the width and height of the blade groove are equal to those of the cutting blade.

Compared with the prior art, the invention has the beneficial effects that: the injection mold with the excess edge cutting function not only realizes the excess edge cutting function during injection molding of the injection mold, shortens the demolding time of the injection mold, but also improves the convenience degree of the injection mold during use;

1. the cutting cavity is arranged in the right die, the cutting cylinder is arranged on the inner side wall of the cutting cavity, the cutting blade is arranged at the output end of the cutting cylinder, and the blade groove is arranged in the right die on one side of the cutting cavity, so that the function of cutting the residual edge of the injection die during injection is realized, and the application range of the injection die is expanded;

2. the demoulding cavity is arranged in the left mould, the demoulding cylinder is arranged in the demoulding cavity, the demoulding plate is arranged in the demoulding cavity on one side of the demoulding cylinder, and the end, far away from the demoulding cylinder, of the demoulding plate is used for fixing the top plate, so that the demoulding time of the injection mould is shortened, and the working efficiency of the injection mould during use is improved;

3. set up spacing heavy groove through the left mould corner position department in the suppression frame outside, the fixed touching inductor in inside in spacing heavy groove to through the central point department of putting in the heavy inslot of buffering and installing the gag lever post, the surface mounting touching copper sheet of gag lever post, buffer spring is established to the surface cover of gag lever post, buffering and indicating function when having realized injection mold and having moulded plastics, thereby the convenience when having improved injection mold and using.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic view of a clamping structure of the present invention;

FIG. 3 is a side view of the left mold of the present invention;

fig. 4 is an enlarged structural diagram of the cutting structure of the present invention.

In the figure: 1. a left mold; 2. a demoulding cavity; 3. stripping the membrane plate; 4. a demoulding cylinder; 5. limiting the sink groove; 6. a liquid injection groove; 7. a buffer sink tank; 8. a right mold; 9. a pressing tool; 10. a buffer spring; 11. a limiting rod; 12. touching the copper sheet; 13. pressing a frame; 14. touching the sensor; 15. a top plate; 16. a flow channel; 17. cutting the structure; 1701. cutting the cavity; 1702. cutting the cylinder; 1703. a cutting blade; 1704. an insert pocket.

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.

Referring to fig. 1-4, an embodiment of the present invention is shown: an injection mold with a surplus edge cutting function comprises a left mold 1, a demolding cavity 2, a demolding plate 3, a right mold 8 and a top plate 15, wherein the demolding cavity 2 is arranged inside the left mold 1, demolding cylinders 4 are arranged inside the demolding cavity 2 at equal intervals, the types of the demolding cylinders 4 can be DSBC, the demolding plate 3 is arranged inside the demolding cavity 2 on one side of the demolding cylinder 4, the surface of the demolding plate 3 is fixedly connected with the output end of the demolding cylinder 4, the top plate 15 is fixed at one end, away from the demolding cylinder 4, of the demolding plate 3, one end of the top plate 15 extends into a pressing frame 13, and the end, located inside the pressing frame 13, of the top plate 15 and the bottom of the pressing frame 13 are located on the same plane, so that injection molding work is facilitated;

A pressing frame 13 is arranged inside the left die 1 on one side of the demoulding cavity 2, a limiting sinking groove 5 is arranged at the corner position of the left die 1 on the outer side of the pressing frame 13, a touch sensor 14 is fixed inside the limiting sinking groove 5, the type of the touch sensor 14 can be TS-013, the touch sensor 14 is matched with a touch copper sheet 12 for touch sensing work, a right die 8 is arranged on one side of the left die 1, a pressing tool 9 is fixed on the outer wall of the right die 8 close to one side of the left die 1, the pressing tool 9 is matched with the pressing frame 13, buffering sinking grooves 7 are arranged at the corner positions on the outer side of the pressing tool 9, a limiting rod 11 is arranged at the central position inside the buffering sinking grooves 7, and the touch copper sheet 12 is arranged on the surface of the limiting rod 11;

the surface of the limiting rod 11 is sleeved with a buffer spring 10, the maximum diameter of the buffer spring 10 is smaller than the inner diameter of the buffer sinking groove 7, the maximum length of the buffer spring 10 is larger than the depth of the buffer sinking groove 7, the minimum length of the buffer spring 10 is smaller than the depth of the buffer sinking groove 7 and is used for buffer work, liquid injection grooves 6 are formed in the outer walls of one sides of the right die 8 and the left die 1, flow channels 16 are formed in the surfaces of the right die 8 and the left die 1 at the positions of the liquid injection grooves 6, and cutting structures 17 are arranged in the right die 8 on one side of the flow channels 16;

The cutting structure 17 is provided with a cutting cavity 1701, a cutting cylinder 1702, a cutting blade 1703 and a blade groove 1704 from right to left in sequence, the cutting cavity 1701 is arranged in the right die 8, the cutting cylinder 1702 is mounted on the inner side wall of the cutting cavity 1701, the cutting cylinder 1702 can be of a JINGE-1601 type, the cutting blade 1703 is mounted at the output end of the cutting cylinder 1702, the blade groove 1704 is arranged in the right die 8 on one side of the cutting cavity 1701, one end of the cutting blade 1703 penetrates through the blade groove 1704 and extends to the inside of the runner 16, and the width and the height of the blade groove 1704 are equal to the width and the height of the cutting blade 1703;

in use, the cutting cylinder 1702 is controlled to operate inside the cutting chamber 1701 by operating an externally connected control switch, and the cutting cylinder 1702 pushes the cutting blade 1703 to move along the blade groove 1704 to cut the excess injection edge, in the process, because the width and height of the blade groove 1704 are equal to those of the cutting blade 1703, and the cutting blade 1703 is always positioned inside the blade groove 1704, the pouring liquid is prevented from flowing into the cutting chamber 1701.

The working principle is as follows: when the die is used, firstly, the right die 8 and the left die 1 are matched, in the process of matching the die, the limiting sinking groove 5 at the corner position of the left die 1 and the touch sensor 14 in the limiting sinking groove 5 are respectively matched with the limiting rod 11 at the central position in the buffering sinking groove 7 and the touch copper sheet 12 on the surface of the limiting rod 11, so that the limiting and indicating functions in the process of matching the die are realized, in the process, the buffering work in the process of matching the die is realized through the elastic action of the buffer spring 10 on the surface of the limiting rod 11, the rigid collision phenomenon in the process of matching the die is avoided, the pouring liquid is filled into the liquid filling groove 6 after matching the die, the pouring liquid flows into a cavity formed by matching the pressing frame 13 and the pressing tool 9 through the runner 16 for injection molding, after injection molding, the control switch connected with the outside is operated to control the cutting cylinder 1702 in the cutting cavity 1701 to work, the cutting cylinder 1702 pushes the cutting blade 1703 to move along the blade groove 1704 to cut, in the process, the width and the height of the blade groove 1704 are equal to those of the cutting blade 1703, and the cutting blade 1703 is always positioned in the blade groove 1704, so that the pouring liquid is prevented from flowing into the cutting cavity 1701, and finally, the demoulding plate 3 in the demoulding cavity 2 on one side of the demoulding cylinder 4 is pushed to move by the demoulding cylinder 4 in the demoulding cavity 2, and the demoulding plate 3 drives the top plate 15 to eject out an injection molding part, so that the use work of the injection mold is completed.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. 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. The utility model provides an injection mold with surplus limit cutting function, includes left mould (1), demoulding chamber (2), demoulding board (3), right mould (8) and roof (15), its characterized in that: a demoulding cavity (2) is arranged in the left mould (1), demoulding cylinders (4) with equal intervals are arranged in the demoulding cavity (2), a demoulding plate (3) is arranged in the demoulding cavity (2) on one side of the demoulding cylinder (4), the surface of the demoulding plate (3) is fixedly connected with the output end of the demoulding cylinder (4), a pressing frame (13) is arranged in the left mould (1) on one side of the demoulding cavity (2), limiting sinking grooves (5) are arranged at the corner positions of the left mould (1) on the outer side of the pressing frame (13), a right mould (8) is arranged on one side of the left mould (1), a pressing tool (9) is fixed on the outer wall of the right mould (8) on the side close to the left mould (1), the pressing tool (9) is matched with the pressing frame (13), and buffering sinking grooves (7) are arranged at the corner positions of the outer side of the pressing tool (9), and the inside central point of buffering heavy groove (7) puts the department and installs gag lever post (11) to the surface mounting of gag lever post (11) has touching copper sheet (12), all be provided with on the outer wall of right side mould (8) and left mould (1) one side and annotate liquid groove (6), and annotate right side mould (8) and left mould (1) surface of liquid groove (6) position department and all be provided with runner (16), right side mould (8) inside of runner (16) one side is provided with cutting structure (17).

2. The injection mold with the fillet cutting function as claimed in claim 1, wherein: the one end that takes off membrane plate (3) and keep away from taking off membrane jar (4) is fixed with roof (15), and the one end of roof (15) extends to the inside of pressing frame (13) to roof (15) are located the one end of pressing frame (13) inside and pressing frame (13) bottom and are located the coplanar.

3. The injection mold with the fillet cutting function as claimed in claim 1, wherein: and a touch sensor (14) is fixed in the limiting sinking groove (5), and the touch sensor (14) is matched with the touch copper sheet (12).

4. The injection mold with the fillet cutting function as claimed in claim 1, wherein: the surface cover of gag lever post (11) is equipped with buffer spring (10), and buffer spring (10) the maximum diameter is less than the internal diameter that the heavy groove of buffering (7) to buffer spring (10) the maximum length is greater than the degree of depth that the heavy groove of buffering (7), and buffer spring (10) the minimum length is less than the degree of depth that the heavy groove of buffering (7).

5. The injection mold with the fillet cutting function as claimed in claim 1, wherein: cutting structure (17) are from right-to-left side and are set gradually cutting chamber (1701), cutting cylinder (1702), cutting blade (1703) and blade groove (1704), the inside of right mould (8) is provided with cutting chamber (1701), and installs cutting cylinder (1702) on the inside wall of cutting chamber (1701), cutting blade (1703) are installed to the output of cutting cylinder (1702).

6. The injection mold with the fillet cutting function as claimed in claim 1, wherein: a blade groove (1704) is formed in the right die (8) on one side of the cutting cavity (1701), one end of the cutting blade (1703) penetrates through the blade groove (1704) and extends into the flow channel (16), and the width and the height of the blade groove (1704) are equal to those of the cutting blade (1703).