CN217196731U

CN217196731U - Automatic gate mechanism of cutting in mould

Info

Publication number: CN217196731U
Application number: CN202220191607.2U
Authority: CN
Inventors: 吴培林; 谢双安
Original assignee: Xiamen Xingantai Technology Co ltd
Current assignee: Xiamen Xingantai Technology Co ltd
Priority date: 2022-01-24
Filing date: 2022-01-24
Publication date: 2022-08-16
Anticipated expiration: 2032-01-24

Abstract

The utility model relates to an in-mold automatic gate cutting mechanism, which comprises a fixing part, wherein the fixing part is arranged on a corresponding mold fixing plate, the fixing part is respectively provided with a corresponding hydraulic oil diversion hole, and the mold fixing plate is provided with an oil inlet communicated with the hydraulic oil diversion hole; the lower part of the guide piece is fixedly connected to the fixing piece, the upper part of the guide piece is provided with a guide cavity communicated to the hydraulic oil flow guide hole, a corresponding piston is movably arranged in the guide cavity, and the upper part of the piston is upwards provided with a corresponding connecting rod piece; the shearing mechanism comprises a cutter movably arranged in a corresponding template and a cutter mounting assembly used for assembling the cutter, the cutter mounting assembly comprises a fixing device and a cutter bottom plate connected to the upper end of the connecting rod piece, the cutter bottom plate is upwards fixedly connected with a cutter panel, and the cutter fixing device is arranged on the cutter panel. The utility model discloses can realize that automation, high quality, efficient runner cut off.

Description

Automatic gate mechanism of cutting in mould

Technical Field

The utility model relates to an automatic cut runner mechanism in mould, it carries out automatic cut runner in the mainly used mould.

Background

The plastic part processed by the injection molding machine generally needs to be cut off and separated from a side gate, a lap gate, a flash area or a sheet gate, and the like, and the existing gate removing mode generally comprises manual trimming, die cutting of external die tooling equipment, NC processing and the like. The above-mentioned gate removing method has the following defects:

manual trimming: manual trimming is generally adopted under the condition that the sprue is small, so that the continuous labor cost is increased, the appearance of the product is easily damaged in the trimming process, the trimmed sprue has poor appearance quality and high reject ratio;

punching by using an external die tooling device: the gate with larger size and thicker thickness or the gate in the hole which is difficult to trim by manual work is generally punched by adopting tool equipment outside the die, so that the continuous labor cost and the tool and equipment cost are increased, the appearance quality of the punched gate is poor, and potential safety hazards exist;

laser cutting: laser cutting is generally considered for higher requirements on the appearance of some transparent materials, the continuous labor cost is increased, the sprue removing efficiency is low, and the product appearance is influenced by yellowing of the sprue after cutting;

CNC machining: to some big runners, piece runners or ya keli materials that add glass fiber material, generally consider CNC processing, increased the cost of labor and frock, the equipment processing cost of continuation, in addition, the product harms the product easily at clamping positioning process, leads to the outward appearance defective rate high, and the runner is got rid of inefficiency.

Consequently, under the simple and easy prerequisite that is utilized in injection mold in the structure, design a section can be effectively still under the circumstances of molten state in the plastic of die cavity, can effectively carry out ejecting control to the cutter through piston drive mode to it is to realize automatic in-mould automatic cut-off runner mechanism that automatic, high quality, efficient runner cut off that the research purpose of the utility model is.

Disclosure of Invention

To the technical problem that above-mentioned prior art exists, the utility model provides an automatic cut runner mechanism in mould, this automatic cut runner mechanism in mould can effectively solve the technical problem that above-mentioned prior art exists.

The technical scheme of the utility model is that:

an in-mold automatic gate cutting mechanism comprises

The fixing parts are fixedly arranged on corresponding die fixing plates, the fixing parts are respectively provided with corresponding hydraulic oil flow guide holes, and the die fixing plates are provided with oil inlet holes communicated to liquid inlet ends of the hydraulic oil flow guide holes;

the lower end of the guide piece is fixedly abutted to the die fixing plate, the lower part of the guide piece is fixedly connected to the fixing piece, the upper part of the guide piece is provided with a guide cavity communicated to the liquid outlet end of the hydraulic oil flow guide hole, a corresponding piston is movably arranged in the guide cavity, and the upper part of the piston is upwards provided with a corresponding connecting rod piece;

the shearing mechanism comprises a cutter movably installed in a corresponding template and a cutter installation assembly used for assembling the cutter, the cutter installation assembly comprises a fixing device and a cutter bottom plate connected with the upper end of the rod piece, the cutter bottom plate is fixedly connected with a cutter panel upwards, the cutter fixing device is arranged on the cutter panel, and a pushing reset mechanism used for pushing the cutter installation assembly is arranged on the cutter panel.

The pushing reset mechanism comprises a plurality of spring mounting grooves formed in the cutter panel, corresponding elastic pieces are mounted in the spring mounting grooves respectively, and one ends of the elastic pieces, which are not mounted in the spring mounting grooves, are abutted to corresponding templates respectively.

The elastic piece is a spiral spring.

The mounting is hexagon socket head cap screw, hydraulic oil water conservancy diversion hole is L shape set up in hexagon socket head cap screw's rod end.

And corresponding aluminum gaskets are respectively arranged between the head of the inner hexagon bolt and the die fixing plate and between the guide piece and the die fixing plate in an extruding way.

The upper part of the connecting rod piece is locked and installed on the cutter bottom plate through a corresponding connecting screw, and the lower part of the connecting rod piece is abutted to the upper part of the piston.

The cutter comprises a cutter bar part, wherein the upper end of the cutter bar part is integrally formed with a cutter edge part, and the joint of the cutter edge part and the cutter bar part is arc-surface-shaped.

The one end that the cutter arbor portion of cutter was not equipped with cutting edge portion is the outside corresponding protruding edge of locking that is equipped with of L shape, be equipped with on the cutter panel and be used for the installation the cutter arbor portion of cutter and the fixed orifices on the protruding edge of locking.

The cutter bottom plate and the cutter face plate are fixedly connected through corresponding fastening screws, and the rod end parts of the fastening screws are connected to the cutter rod parts of the cutters.

The utility model has the advantages that:

1) the utility model discloses the structure is simple and easy, during the use, only needs to assemble mounting device to the mould fixed plate that is equipped with the inlet port, then with the mechanism of cuting after the assembly assemble to the template of mould on, again to each part assemble one by one can, not only overall structure is simple and easy, and easily applied in injection mold.

During the use, be connected to the oil pipe of injection molding machine function of loosing core with the inlet port of mould fixed plate can. In the gate shearing process, hydraulic oil enters a hydraulic oil flow guide hole of the fixing part through an oil inlet hole of the mold fixing plate and then enters a guide cavity of the guide part, so that the guide part and the piston form a micro oil cylinder with a driving function, and the connecting rod piece is effectively driven to drive the shearing mechanism to move upwards under the pushing action of the piston so as to cut off the gate, so that the gate is cut off when the injection and pressure maintaining are finished, namely the gate is not opened. And the cutting blade panel of the cutting mechanism after cutting is retracted under the action of the pushing reset mechanism, so that the sprue cutting can be completed. Thereby realizing automatic, high-quality and high-efficiency sprue cutting.

2) The utility model discloses a top pushes away canceling release mechanical system contains a plurality of spring mounting groove that sets up on the cutter panel, installs corresponding elastic component in the spring mounting groove respectively, and the elastic component does not install in spring mounting groove's one end respectively the butt to corresponding template on. In the shearing process, the elastic piece is compressed, after the top end face of the cutting blade panel is abutted to the template, the shearing mechanism is integrally limited so as to stably control the cutting stroke, and after the cutting is completed, the elastic piece recovers the shape, so that the pushing and resetting effects on the cutting blade panel can be realized.

3) The utility model discloses a mounting is hexagon socket head cap screw, and hydraulic oil water conservancy diversion hole is the L shape and sets up in hexagon socket head cap screw's rod end to can be convenient at low-cost, installation, and ensure that the setting is effectively installed to the mounting under the smooth and easy prerequisite of hydraulic oil circulation.

4) The utility model discloses a between hexagon socket head cap head and the mould fixed plate and between guide and the mould fixed plate respectively the extrusion install corresponding aluminium gasket, through aluminium gasket's setting, effectively ensure sealed effect to ensure that guide and piston can form "micro cylinder" that has drive function, thereby effectively ensure the utility model discloses a practical effect.

5) The utility model is composed of a knife edge part integrally formed at the upper end of the knife bar part, and the joint of the knife edge part and the knife bar part is arranged in an arc surface shape; the end of the cutter bar part of the cutter, which is not provided with the cutting edge part, is L-shaped and is outwards provided with a corresponding locking convex edge; and the end of the rod of the fastening screw for connecting the cutter bottom plate and the cutter face plate is connected to the cutter rod part of the cutter. Not only can effectively ensure the structural stability of cutter itself, and can effectively ensure the stability of its assembly to can effectively further realize that automatic, high quality, efficient runner cut off.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a cross-sectional view of the present invention.

Fig. 3 is a usage state diagram of the present invention.

Fig. 4 is a schematic view of the guide member.

Detailed Description

To facilitate understanding of those skilled in the art, the structure of the present invention will now be described in further detail with reference to the following examples:

referring to FIGS. 1-4, an in-mold automatic gate cutting mechanism includes

The fixing part 1 is fixedly arranged on the corresponding die fixing plate 2, the fixing part 1 is respectively provided with corresponding hydraulic oil flow guide holes 101, and the die fixing plate 2 is provided with oil inlet holes 201 communicated to liquid inlet ends of the hydraulic oil flow guide holes 101;

the lower end of the guide piece 3 is fixedly abutted to the die fixing plate 2, the lower part of the guide piece 3 is fixedly connected to the fixing piece 1, the upper part of the guide piece 3 is provided with a guide cavity 301 communicated to the liquid outlet end of the hydraulic oil guide hole 101, a corresponding piston 4 is movably arranged in the guide cavity 301, and the upper part of the piston 4 is upwards provided with a corresponding connecting rod piece 5;

the shearing mechanism 6 comprises a cutter 601 movably mounted in the corresponding template 7 and a cutter mounting assembly 602 used for assembling the cutter 601, the cutter mounting assembly 602 comprises a cutter base plate 6021 fixed to the upper end of the connecting rod 5 by a fixing device, the cutter base plate 6021 is fixedly connected with a cutter panel 6022 upwards, the cutter 601 is fixed on the cutter panel 6022, and a pushing reset mechanism 8 used for pushing the cutter mounting assembly 602 is arranged on the cutter panel 6022.

The utility model discloses the structure is simple and easy, during the use, only needs to install mounting 1 to the mould fixed plate 2 that is equipped with inlet port 201, then will assemble the mechanism 6 assembly after the assembly to the template 7 of mould on, again to each part assemble one by one can, not only overall structure is simple and easy, and easily applied in injection mold.

During the use, be connected to the oil pipe of injection molding machine function of loosing core with the inlet port 201 of mould fixed plate 2 can. In the gate shearing process, hydraulic oil enters the hydraulic oil flow guide hole 101 of the fixing part 1 through the oil inlet hole 201 of the mold fixing plate 2 and then enters the guide cavity 301 of the guide part 3, so that the guide part 3 and the piston 4 form a micro oil cylinder with a driving function, under the pushing action of the piston 4, the connecting rod piece 5 is effectively driven to drive the shearing mechanism 6 to move upwards to cut off the gate, and therefore when the injection and pressure maintaining are completed, namely the gate is cut off when the mold is not opened. The cutting knife panel 6022 of the cutting mechanism 6 after cutting is retracted under the action of the pushing reset mechanism 8, and the sprue cutting can be completed. Thereby realizing automatic, high-quality and high-efficiency sprue cutting.

The pushing reset mechanism 8 comprises a plurality of spring installation grooves 801 arranged on the cutter panel 6022, corresponding elastic pieces 802 are respectively installed in the spring installation grooves 801, and one ends of the elastic pieces 802, which are not arranged in the spring installation grooves 801, are respectively abutted to the corresponding templates 7. The elastic member 802 is a coil spring.

In the shearing process, the elastic piece 802 is compressed, after the top end face of the cutter face plate 6022 is abutted to the template 7, the shearing mechanism 6 is integrally limited to stably control the cutting stroke, and after the cutting is finished, the elastic piece 802 recovers the shape to realize the pushing reset effect on the cutter face plate 6022.

The fixing part 1 is an inner hexagon bolt, and the hydraulic oil diversion hole 101 is arranged at the rod end of the inner hexagon bolt in an L shape. The hexagon socket head cap screw is used as the fixing piece 1, so that the cost is low, and the installation is convenient.

Corresponding aluminum gaskets 9 are respectively arranged between the head of the hexagon socket head cap screw and the die fixing plate 2 and between the guide piece 3 and the die fixing plate 2 in an extruding way. Through the setting of aluminium gasket 9, effectively ensure sealed effect to ensure that guide 3 and piston 4 can form "miniature hydro-cylinder" that has drive function, thereby effectively ensure the utility model discloses a practical function.

The upper part of the connecting rod 5 is lockingly mounted to the cutter base plate 6021 by means of respective connecting screws 10, the lower part of the connecting rod 5 abutting against the upper part of the piston 4.

The cutter 601 is formed by integrally molding the upper end of a cutter bar part 6011 and is provided with a cutter blade part 6012, and the joint of the cutter blade part 6012 and the cutter bar part 6011 is in an arc surface shape. The cutter bar part 6011 of the cutter 601 is not provided with the cutter edge part 6012, one end of the cutter bar part 6011 is L-shaped and is provided with a corresponding locking convex edge 11 outwards, and the cutter panel 6022 is provided with a fixing hole for installing the cutter bar part 6011 of the cutter 601 and the locking convex edge 11. The cutter base plate 6021 and the cutter face plate 6022 are fixedly connected by corresponding fastening screws 12, and the rod ends of the fastening screws 12 are connected to the cutter bar portion 6011 of the cutter 601. Not only can effectively ensure the structural stability of cutter 601 itself, and can effectively ensure the stability of its assembly to can effectively further realize that automatic, high quality, efficient runner cut off.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides an automatic cut runner mechanism in mould which characterized in that: comprises that

The fixing part (1) is fixedly arranged on the corresponding die fixing plate (2), the fixing part (1) is respectively provided with corresponding hydraulic oil flow guide holes (101), and the die fixing plate (2) is provided with an oil inlet hole (201) communicated to a liquid inlet end of the hydraulic oil flow guide hole (101);

the lower end of the guide piece (3) is fixedly abutted to the die fixing plate (2), the lower portion of the guide piece (3) is fixedly connected to the fixing piece (1), a guide cavity (301) communicated to a liquid outlet end of the hydraulic oil guide hole (101) is formed in the upper portion of the guide piece (3), a corresponding piston (4) is movably mounted in the guide cavity (301), and a corresponding connecting rod piece (5) is upwards arranged on the upper portion of the piston (4);

shearing mechanism (6) includes cutter (601) of movable mounting in corresponding template (7) and is used for right cutter installation component (602) that cutter (601) assembled, cutter installation component (602) include fixing device to cutter bottom plate (6021) of connecting rod piece (5) upper end, cutter bottom plate (6021) makes progress the rigid coupling has cutter panel (6022), cutter (601) fixing device in on cutter panel (6022), be equipped with on cutter panel (6022) and be used for carrying out the top to push away canceling release mechanical system (8) to cutter installation component (602).

2. The in-mold automatic gate cutting mechanism according to claim 1, wherein: the pushing reset mechanism (8) comprises a plurality of spring installation grooves (801) arranged on the cutter panel (6022), corresponding elastic pieces (802) are respectively installed in the spring installation grooves (801), and one ends of the elastic pieces (802) which are not arranged in the spring installation grooves (801) are respectively abutted to the corresponding templates (7).

3. The in-mold automatic gate cutting mechanism according to claim 2, wherein: the elastic piece (802) is a spiral spring.

4. The in-mold automatic gate cutting mechanism according to claim 1, wherein: the fixing piece (1) is an inner hexagonal bolt, and the hydraulic oil flow guide hole (101) is arranged at the rod end of the inner hexagonal bolt in an L shape.

5. The in-mold automatic gate cutting mechanism according to claim 4, wherein: and corresponding aluminum gaskets (9) are respectively arranged between the head of the inner hexagon bolt and the die fixing plate (2) and between the guide piece (3) and the die fixing plate (2) in an extruding manner.

6. The in-mold automatic gate cutting mechanism according to claim 1, wherein: the upper part of the connecting rod piece (5) is locked and installed on the cutter bottom plate (6021) through a corresponding connecting screw (10), and the lower part of the connecting rod piece (5) abuts against the upper part of the piston (4).

7. The in-mold automatic gate cutting mechanism according to claim 6, wherein: the cutter (601) is formed by integrally forming a cutter blade part (6012) at the upper end of a cutter rod part (6011), and the joint of the cutter blade part (6012) and the cutter rod part (6011) is in an arc surface shape.

8. The in-mold automatic gate cutting mechanism according to claim 7, wherein: the cutter bar part (6011) of the cutter (601) is L-shaped and is provided with a corresponding locking convex edge (11) outwards, and the cutter panel (6022) is provided with a cutter bar part (6011) for mounting the cutter (601) and a fixing hole for the locking convex edge (11).

9. The in-mold automatic gate cutting mechanism according to claim 8, wherein: the cutter base plate (6021) and the cutter face plate (6022) are fixedly connected through corresponding fastening screws (12), and the rod end parts of the fastening screws (12) are connected to the cutter rod part (6011) of the cutter (601).