CN214000347U - High-efficient production mould of double-colored injection moulding product - Google Patents

Abstract

The utility model discloses a high-efficient production mould of double-colored injection molding product, including cover half, drive shaft, movable mould and conversion system, the cover half all is equipped with once moulds plastics the groove, its characterized in that with the lateral wall top that the movable mould is close to one side each other: the conversion system comprises a fixed disc arranged on the movable die, and the rotary disc is positioned between the primary injection molding groove and the secondary injection molding groove. The utility model discloses a be equipped with the fixed column between fixed disk and drive shaft, and be equipped with the extrusion spring between fixed column and drive shaft, the fixed disk extending structure that the extrusion spring formed utilizes the elasticity of extrusion spring to be automatic with the ejecting movable mould and the cover half that drop of fixed disk and injection moulding's product at the in-process that the movable mould was opened, it needs to recycle the drive structure behind movable mould and the cover half die sinking and compare the fixed disk with the product is ejecting to compare in traditional double-colored injection mold, the time that utilizes the die sinking is just carrying out the ejecting of product, the process time of injection moulding product has been saved, and the work efficiency is increased.

Description

High-efficient production mould of double-colored injection moulding product

Technical Field

The utility model relates to a double-colored injection mold technical field specifically is a high-efficient production mould of double-colored injection moulding product.

Background

The double-color mold is a mold in which two plastic materials are injected on the same injection molding machine and are molded in two times, but a product is only subjected to mold stripping once, generally, the molding process is also called double-material injection molding, is usually completed by one set of mold and needs a special double-color injection molding machine.

The injection principle of the double-color injection mold is that injection cavities for primary injection molding and secondary injection molding are respectively arranged on a movable mold and a fixed mold, the injection cavities for the primary injection molding and the secondary injection molding are symmetrically arranged, a conversion system for converting the position of the injection product into the cavity is arranged between the primary injection molding cavity and the secondary injection molding cavity on the movable mold, for example, a primary molded product after the injection molding of the mold needs to move into the secondary injection cavity and enter the secondary injection molding again, at the moment, the conversion system needs to firstly eject the product after the primary injection molding after the mold opening and rotate 180 degrees, the ejection is used for separating from the fixed mold and the movable mold so as to enable the rotation of the fixed mold and the movable mold to be not influenced, the primary molded product moves to the position of the secondary injection cavity after the rotation of 180 degrees, and the finished product of the original secondary injection product moves to the position of the primary molding cavity after the unloading for the next injection molding of the product, the mold is closed for injection molding production after rotation, so that the injection molding of double-color products can be continuously carried out.

Its conversion system of double-colored injection mold at present arranges on the movable mould mostly, ejecting and rotatory behind the follow-up die sinking in the conversion process, just so influenced the required time of conversion when the product is moulded plastics production, and conversion system needs ejecting rotation and returns and contracts, ejecting rotation and the stability when returning the in-process and all taking place wearing and tearing easily and influencing the use, and the injection mold of general double-colored product does not possess the function of automatic unloading, the slow efficiency that then further influences double-colored product injection moulding production of unloading.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high-efficient production mould of double-colored injection moulding product to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high-efficient production mould of double-colored injection moulding product, includes cover half, drive shaft, movable mould and transition system, the cover half all is equipped with once moulds plastics the groove with the lateral wall top that the movable mould is close to one side each other, the cover half all is equipped with the groove of once moulding plastics with the lateral wall bottom that the movable mould is close to one side each other, and the groove of twice moulding plastics and the mutual symmetrical arrangement in groove of once moulding plastics, its characterized in that: the conversion system comprises a fixed disk arranged on a movable mold, the fixed disk is positioned between a primary injection molding groove and a secondary injection molding groove, a clamping groove matched with the fixed disk is arranged on the movable mold, workpiece taking rods are uniformly arranged at the upper end and the lower end of the fixed disk at equal intervals, a fixed column is vertically welded on one side of the outer side wall of the fixed disk, one end of the fixed column, far away from the fixed disk, extends into the movable mold, a telescopic groove matched with the fixed column is arranged on the movable mold, a connecting port is arranged at one end of the fixed column, far away from the fixed disk, a movable groove is arranged in the fixed column at the connecting port, one end of a driving shaft extends into the connecting port and is provided with a limiting block, an extrusion spring is arranged between the limiting block and the movable groove, the cross sections of the driving shaft and the connecting port are both square, a sliding sleeve is sleeved on the outer side of the fixed column on one side of the fixed disk, and an unloading mechanism is vertically arranged on one side of the outer side of the sliding sleeve, the discharging mechanism is used for discharging after injection molding, and a limiting mechanism used for guiding the discharging mechanism to move is arranged between the discharging mechanism and the movable mold.

Preferably, the discharging mechanism comprises a fixed cylinder which is vertically welded to the outer side of the sliding sleeve and vertically arranged downwards, an air cylinder is vertically installed downwards in the fixed cylinder, and an output end of the air cylinder extends to the outer side of the fixed cylinder and is provided with an extruding plate.

Preferably, stop gear is including arranging the guide bar in the movable mould is inside, the guide bar is on a parallel with the fixed disk and arranges, be equipped with on the movable mould with guide bar matched with recess, the recess is located the inboard of draw-in groove and is linked together with the draw-in groove, the outside cover of guide bar is equipped with the slide, and articulates between slide and the solid fixed cylinder has the connecting rod.

Preferably, a pair of supporting gaskets are symmetrically arranged at the upper end and the lower end of the inner side wall of the fixing column at the connecting port part, the supporting gaskets are embedded on the inner side wall of the fixing column at the connecting port part, embedding grooves matched with the supporting gaskets are formed in the fixing column, and balls are uniformly arranged on the supporting gaskets in a rectangular array shape.

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

1: through arranging the fixed column between the fixed disc and the driving shaft and arranging the extrusion spring between the fixed column and the driving shaft, in the process of injection molding of a double-color product, after a primary injection groove for molding a hard injection product is processed, the mold needs to be opened, the hard product which is injected and molded in the primary injection groove is driven to move to the secondary injection groove for secondary injection molding through the rotation of the fixed disc, a fixed disc telescopic structure formed by the extrusion spring automatically ejects the fixed disc and the product which is subjected to primary injection molding out of a movable mold and a fixed mold by utilizing the elasticity of the extrusion spring in the process of opening the movable mold, and drives the fixed disc and the injection product to rotate by utilizing the rotation of the driving shaft, compared with the traditional double-color injection mold which needs to eject the fixed disc and the product by utilizing a driving structure after the movable mold and the fixed mold are opened, the product is ejected by utilizing the mold opening time, the processing time of the injection molding product is saved, and the working efficiency is increased.

2: through all arranging the connector and drive shaft squarely, and inlay a pair of support gasket that has the ball on the fixed column of connector position symmetry, square connector is convenient for with the drive shaft on the one hand and does not influence the flexible sliding connection of fixed column when keeping rotating the connection relation, be favorable to ejecting use when double-colored injection molding, on the other hand because the fixed column can receive certain wearing and tearing with the in-process that the drive shaft position removed that stretches out and draws back, and support gasket can play wear-resisting effect, avoid producing wearing and tearing to fixed column and drive shaft, the ball on the support gasket is favorable to reducing the frictional force of slip in-process, and be convenient for dismantle the change to support gasket, the life of extension mould promotes the long-time stability of using of transition system.

3: through being equipped with the structure of unloading, and be equipped with the stop gear who is used for shedding mechanism motion direction between structure of unloading and movable mould, shedding mechanism establishes in the fixed column outside through the sliding sleeve during use, dead weight flagging shedding mechanism does not receive the fixed column rotation to influence, remain vertical decurrent state throughout, then can move the product crowded push that the secondary was moulded plastics to below one end to the fixed disk and unload, be favorable to the accurate use of unloading to the product that the secondary was moulded plastics and is accomplished, reduce the time of unloading of product injection moulding production, be favorable to increasing the production efficiency that double-colored injection moulding produced, and stop gear articulated formula's mounting structure is favorable to folding shrink, reduce and occupy the inside volume of movable mould.

Drawings

FIG. 1 is a schematic view of the internal structure of the lower side surface in the mold-opened state of the present invention;

FIG. 2 is a schematic view of the internal structure of the lower side surface in the mold closing state of the present invention;

FIG. 3 is a schematic view of the enlarged structure inside the side of the fixed disk of the present invention;

FIG. 4 is a schematic view of the internal structure of the side surface of the fixing disc during the unloading process of the present invention;

fig. 5 is a schematic view of the back structure of the fixing plate of the present invention;

fig. 6 is a schematic structural diagram of the position limiting mechanism of the present invention.

In the figure: 1. primary injection molding of the groove; 2. a workpiece taking rod; 3. fixing the disc; 4. a discharge mechanism; 5. fixing a mold; 6. Secondary injection molding of the groove; 7. a drive shaft; 8. a telescopic groove; 9. a card slot; 10. moving the mold; 11. a sliding sleeve; 12. A fixed cylinder; 13. a connecting rod; 14. a cylinder; 15. extruding a plate; 16. fixing a column; 17. a movable groove; 18. A ball bearing; 19. a connecting port; 20. a support pad; 21. a limiting block; 22. a compression spring; 23. a guide bar; 24. a groove; 25. a slide carriage.

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.

Referring to fig. 1-6, the present invention provides an embodiment: the utility model provides a high-efficient production mould of double-colored injection moulding product, includes cover half 5, drive shaft 7, movable mould 10 and transition system, cover half 5 and movable mould 10 are close to the lateral wall top of one side each other and all are equipped with once mould plastics groove 1, and cover half 5 and movable mould 10 are close to the lateral wall bottom of one side each other and all are equipped with the groove 6 of moulding plastics of secondary, and the groove 6 of moulding plastics of secondary and the mutual symmetrical arrangement in groove 1 of once moulding plastics, its characterized in that: the conversion system comprises a fixed disk 3 arranged on a movable mold 10, the fixed disk 3 is positioned between a primary injection molding groove 1 and a secondary injection molding groove 6, a clamping groove 9 matched with the fixed disk 3 is arranged on the movable mold 10, the upper end and the lower end of the fixed disk 3 are uniformly provided with a pickup rod 2 at equal intervals, one side of the outer side wall of the fixed disk 3 is vertically welded with a fixed column 16, one end of the fixed column 16 far away from the fixed disk 3 extends into the movable mold 10, a telescopic groove 8 matched with the fixed column 16 is arranged on the movable mold 10, one end of the fixed column 16 far away from the fixed disk 3 is provided with a connecting port 19, a pair of supporting gaskets 20 are symmetrically arranged at the upper end and the lower end of the inner side wall of the fixed column 16 at the connecting port 19, the supporting gaskets 20 are embedded on the inner side wall of the fixed column 16 at the connecting port 19, embedding grooves matched with the supporting gaskets 20 are arranged on the fixed column 16, and balls 18 are uniformly arranged on the supporting gaskets 20 in a rectangular array shape, a movable groove 17 is arranged in a fixed column 16 at the position of the connecting port 19, one end of a driving shaft 7 extends into the connecting port 19 and is provided with a limit block 21, an extrusion spring 22 is arranged between the limit block 21 and the movable groove 17, the cross sections of the driving shaft 7 and the connecting port 19 are both square, a sliding sleeve 11 is sleeved outside the fixed column 16 at one side of a fixed disc 3, a discharging mechanism 4 is vertically arranged at one side of the outer side wall of the sliding sleeve 11, the discharging mechanism 4 is used for discharging after injection molding, the discharging mechanism 4 comprises a fixed cylinder 12 which is vertically welded at the outer side of the sliding sleeve 11 and is vertically arranged downwards, an air cylinder 14 is vertically arranged downwards in the fixed cylinder 12, the output end of the air cylinder 14 extends to the outer side of the fixed cylinder 12 and is provided with an extrusion plate 15, a limit mechanism used for guiding the movement of the discharging mechanism 4 is arranged between the discharging mechanism 4 and the movable mould 10, and the limit mechanism comprises a guide rod 23 arranged in the movable mould 10, the guide rod 23 is arranged in parallel to the fixed disc 3, a groove 24 matched with the guide rod 23 is arranged on the movable die 10, the groove 24 is located on the inner side of the clamping groove 9 and communicated with the clamping groove 9, a sliding seat 25 is sleeved on the outer side of the guide rod 23, and a connecting rod 13 is hinged between the sliding seat 25 and the fixed cylinder 12.

The working principle is as follows: when the double-color product is produced by injection molding, the fixed die 5 and the movable die 10 are mutually attached and injected, the raw material in a molten state is injected into the primary injection molding groove 1 for molding, the injection molding raw material is injected into the secondary injection molding groove 6 for molding, the die is opened after injection molding and cooling are finished, the movable die 10 moves away from the fixed die 5 in the die opening process, the fixed die 3 and the injection molding product on the pickup rod 2 are kept connected with the fixed die 5 under the extrusion action of the extrusion spring 22 in the moving process, the fixed die 3 and the injection molding product are separated from the fixed die 5 when the movable die 10 moves to drive the driving shaft 7 to move to the farthest end of the fixed post 16, the separated cylinder 14 works to drive the extrusion push plate 15 to press downwards, the secondary injection molding product on the pickup rod 2 is extruded and pushed to fall, the cylinder 14 contracts and resets after unloading, and the fixed die 3 and the workpiece are driven to rotate 180 degrees by the driving shaft 7 in the resetting process, at the moment, the primary injection molding product at the primary injection molding groove 1 moves to the secondary injection molding groove 6, the workpiece taking rod 2 which is originally positioned at the secondary injection molding groove 6 after unloading moves to the primary injection molding groove 1 to prepare for production of the primary injection molding product again, then the die is closed, the movable die 10 is also utilized to move towards one side of the fixed die 5 and extrude the fixed plate 3 during die closing, the die closing and the reset of the conversion system are completed, and the injection molding production of the bicolor product is conveniently carried out in a high-efficiency circulating mode.

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 (4)

1. The utility model provides a high-efficient production mould of double-colored injection moulding product, includes cover half (5), drive shaft (7), movable mould (10) and transition system, the lateral wall top that cover half (5) and movable mould (10) are close to one side each other all is equipped with once moulds plastics groove (1), the lateral wall bottom that cover half (5) and movable mould (10) are close to one side each other all is equipped with the twice groove (6) of moulding plastics, and the twice groove (6) of moulding plastics and the mutual symmetrical arrangement of once groove (1) of moulding plastics, its characterized in that: the conversion system comprises a fixed disk (3) arranged on a movable mold (10), the fixed disk (3) is positioned between a primary injection molding groove (1) and a secondary injection molding groove (6), a clamping groove (9) matched with the fixed disk (3) is formed in the movable mold (10), the upper end and the lower end of the fixed disk (3) are uniformly provided with a workpiece taking rod (2) at equal intervals, a fixed column (16) is vertically welded at one side of the outer side wall of the fixed disk (3), one end, away from the fixed disk (3), of the fixed column (16) extends into the movable mold (10), a telescopic groove (8) matched with the fixed column (16) is formed in the movable mold (10), one end, away from the fixed disk (3), of the fixed column (16) is provided with a connecting port (19), a movable groove (17) is formed in the fixed column (16) at the position of the connecting port (19), one end of a driving shaft (7) extends into the connecting port (19) and is provided with a limiting block (21), be equipped with extrusion spring (22) between stopper (21) and activity groove (17), and drive shaft (7) all are square with the cross section of connector (19), fixed column (16) outside cover of fixed disk (3) one side is equipped with sliding sleeve (11), shedding mechanism (4) are installed perpendicularly to sliding sleeve (11) lateral wall one side, shedding mechanism (4) are used for unloading behind the injection moulding, and are equipped with the stop gear who is used for shedding mechanism (4) motion direction to use between shedding mechanism (4) and movable mould (10).

2. The mold for efficiently producing a two-color injection molded product according to claim 1, wherein: discharge mechanism (4) are including vertical welding in sliding sleeve (11) outside and vertical fixed cylinder (12) of arranging downwards, cylinder (14) are installed to the vertical downward in inside of fixed cylinder (12), the output of cylinder (14) extends to the fixed cylinder (12) outside and is equipped with crowded push pedal (15).

3. The mold for efficiently producing a two-color injection molded product according to claim 1, wherein: stop gear is including arranging guide bar (23) in movable mould (10) inside, guide bar (23) are on a parallel with fixed disk (3) and arrange, be equipped with on movable mould (10) with guide bar (23) matched with recess (24), recess (24) are located the inboard of draw-in groove (9) and are linked together with draw-in groove (9), the outside cover of guide bar (23) is equipped with slide (25), and articulates between slide (25) and fixed cylinder (12) has connecting rod (13).

4. The mold for efficiently producing a two-color injection molded product according to claim 1, wherein: the supporting device is characterized in that a pair of supporting gaskets (20) are symmetrically arranged at the upper end and the lower end of the inner side wall of the fixing column (16) at the connecting port (19), the supporting gaskets (20) are embedded on the inner side wall of the fixing column (16) at the connecting port (19), an embedding groove matched with the supporting gaskets (20) is formed in the fixing column (16), and balls (18) are uniformly arranged on the supporting gaskets (20) in a rectangular array shape.

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