CN220548617U - Injection mold - Google Patents

Abstract

The application relates to the technical field of injection molds, in particular to an injection mold. The injection molding machine comprises a lower die plate, an upper die plate is arranged on the lower die plate, a first cavity is arranged on one side surface of the lower die plate, the upper die plate is arranged on the other side surface of the lower die plate, a second cavity is arranged on the other side surface of the lower die plate, corresponding to the first cavity, a first injection molding groove for injecting materials into the first cavity is arranged on the lower die plate, a second injection molding groove for injecting materials into the second cavity is arranged on the upper die plate, and a clamping groove is arranged in the first injection molding groove or the second injection molding groove. The application has the effect of accurately and effectively controlling stable setting of injection molding products during mold opening and reducing damage risks.

Description

Injection mold

Technical Field

The application relates to the technical field of injection molds, in particular to an injection mold.

Background

The power line plug is formed by placing the power line plug on an injection molding machine by an embedded embedding method. The power line and the hardware (plug) are welded, the injection mold is designed according to the product, the hardware (plug) and the power line are placed at the position fixed in the injection mold, the upper template and the lower template of the injection mold are combined to form a film, the hardware and the connection part of the hardware and the power line are placed in a cavity formed in the injection mold, and the hardware and the connection part are wrapped by plastic to form the power line plug through injection molding in the cavity.

In the prior art, when the upper die plate and the lower die plate are opened after injection molding is finished, the upper die plate is usually fixed, the lower die plate is moved to open the die or the lower die plate is fixed, and the upper die plate and the lower die plate are moved to open the die. Because the injection molding molten material enters the cavity through the runner formed by combining the upper template and the lower template, when the upper template and the lower template are separated, the injection molding molten material is easy to adhere to the corresponding upper template or lower template, and the structure is fragile, the stable setting of the injection molding product during the die opening can not be accurately and effectively controlled, and the risk of damage caused by the separation of the injection molding product from the corresponding template is easily caused.

The prior art is therefore subject to improvement based on the above-mentioned problems.

Disclosure of Invention

The purpose of this application is accurate effective control injection molding product stable setting when the die sinking, reduces the risk of damage.

The technical aim of the application is achieved through the following technical scheme: the utility model provides an injection mold, includes the lower bolster, be equipped with the cope match-plate pattern on the lower bolster, the lower bolster is close to cope match-plate pattern one side is equipped with first die cavity, the cope match-plate pattern is close to a lower bolster side corresponds first die cavity position is equipped with the second die cavity, be equipped with the first groove of moulding plastics of annotating the material in the first die cavity on the lower bolster, correspond on the cope match-plate pattern first injection groove is equipped with the second groove of moulding plastics of annotating the material to the second die cavity, first annotate the silo or be equipped with the joint groove in the second annotate the silo.

Through adopting above-mentioned technical scheme, cope match-plate pattern and lower bolster close the membrane, and the first die cavity on the lower bolster and the second die cavity on the cope match-plate pattern make up the cavity that forms the melt and mould plastics, and first injection molding groove and second injection molding groove make up and form the circulation passageway, and one end switches on and injection molding machine switches on, and the other end switches on to the cavity that first die cavity and second die cavity make up and forms, and injection molding machine pours into the melt and flows through first injection molding groove and second injection molding groove back entering first die cavity and second die cavity and carries out injection molding. When the first injection groove is internally provided with the clamping groove, the molten material is molded after flowing through the first injection channel, when the upper die plate and the lower die plate are opened, the molded molten material and the clamping groove are clamped, so that the injection molding product is stably mounted on the lower die plate, when the second injection groove is internally provided with the clamping groove, the molten material is molded after flowing through the second injection channel, when the upper die plate and the lower die plate are opened, the molded molten material and the clamping groove are clamped, so that the injection molding product is stably mounted on the upper die plate, the stable setting of the injection molding product during the die opening is accurately and effectively controlled, and the damage risk is reduced.

Optionally, the clamping groove is provided with a plurality of clamping grooves.

Through adopting above-mentioned technical scheme, through melt injection moulding when a plurality of joint grooves, injection molding product multiple spot position and joint groove joint, the setting position when fully stabilizing injection molding finished product at last template and lower bolster die sinking, injection molding product drawing of patterns easily when avoiding the die sinking, inconvenient workman's arrangement is received, causes the damage to injection molding product simultaneously easily.

Optionally, the adjacent clamping grooves are uniformly spaced.

Through adopting above-mentioned technical scheme, injection molding product and joint groove joint are firm, and a plurality of joint grooves increase with injection molding product's joint area, and the joint point distributes evenly, can bear great force and pressure, is difficult for becoming flexible or fracture, can guarantee the stability of joint.

Optionally, the first cavity and the second cavity are provided with a plurality of cavities.

Through adopting above-mentioned technical scheme, can carry out the injection molding to a plurality of work pieces simultaneously, promote the efficiency of injection molding processing.

Optionally, the first groove of moulding plastics is including first main groove of moulding plastics and first branch groove of moulding plastics, first main groove one end of moulding plastics with the lower bolster side switches on, and the other end is connected with at least one first branch groove of moulding plastics, first branch the groove of moulding plastics keep away from first main one end of moulding plastics the groove with first die cavity switches on, the second is moulded plastics the groove including second main groove of moulding plastics and second branch the groove of moulding plastics, second main groove both ends of moulding plastics with the cope match-plate pattern side switches on, and the other end is connected with at least one second branch and moulds plastics the groove, the second branch mould plastics the groove keep away from second main one end of moulding plastics the groove with second die cavity switches on.

Through adopting above-mentioned technical scheme, the melt flows through the main groove of moulding plastics to many branches in the groove of moulding plastics and gets into the die cavity, and convenient and fast workman moulds plastics in to a plurality of die cavities, and judges easily whether the melt is full under the circumstances that reduces the melt use, reduces production input saving cost. Simultaneously, the speed of the molten material entering the cavity is slowed down through the diversion, so that the molten material fully and uniformly fills the cavity, and the injection molding product is excellent in effect.

Optionally, the first cavity is connected with a first wire placing groove in a conducting mode, and the second cavity is connected with a second wire placing groove in a conducting mode.

Through adopting above-mentioned technical scheme, when first wire casing and second wire casing of putting are at cope match-plate pattern and lower bolster laminating, can constitute the passageway, fully hold the wiring position of work piece into the passageway, prevent that wiring setting position from producing the skew, cause spacing make cope match-plate pattern and lower bolster unable laminating, and influence the precision of moulding plastics easily and lead to moulding plastics the effect poor, accurate position that the wiring was placed, reduce the extrusion or the friction of mould to the wiring.

Optionally, a fixing hole is concavely formed at the bottom of the first cavity.

By adopting the technical scheme, the workpieces such as the fixed hardware head and the like can be installed in the cavity, and the risk of bad products caused by workpiece displacement in the injection molding process is reduced.

Optionally, the lower template is provided with a first guide piece, the upper template is provided with a second guide piece, and the first guide piece and the second guide piece are matched and guided.

Through adopting above-mentioned technical scheme, through the cooperation direction between first guide and the second guide, make cope match-plate pattern and lower bolster align laminating or separation setting, the direction precision between first guide and the second guide, make the cope match-plate pattern can follow the orbit that first guide and second guide self cooperation set for when laminating or separating with the lower bolster and remove, make cope match-plate pattern and lower bolster accurate laminating, the second die cavity of cope match-plate pattern and the first die cavity on the lower bolster pass through accurate laminating, constitute accurate cavity, make the mould when moulding plastics, can mould plastics according to accurate cavity that makes up, reduce the risk that the unqualified product of production influences product performance.

In summary, the present application at least includes the following beneficial effects:

1. when the first injection groove is internally provided with the clamping groove, the molten material is molded after flowing through the first injection channel, when the upper die plate and the lower die plate are opened, the molded molten material and the clamping groove are clamped, so that the injection molding product is stably mounted on the lower die plate, when the second injection groove is internally provided with the clamping groove, the molten material is molded after flowing through the second injection channel, when the upper die plate and the lower die plate are opened, the molded molten material and the clamping groove are clamped, so that the injection molding product is stably mounted on the upper die plate, the stable setting of the injection molding product during the die opening is accurately and effectively controlled, and the damage risk is reduced.

2. The injection molding product and the clamping grooves are clamped firmly, the clamping areas of the clamping grooves and the injection molding product are increased, the clamping points are distributed uniformly, larger force and pressure can be born, the clamping grooves are not easy to loosen or break, and the clamping stability can be ensured.

3. Through the cooperation direction between first guide and the second guide, make cope match-plate pattern and lower bolster align laminating or separation setting, the direction between first guide and the second guide is accurate, make the cope match-plate pattern can follow the orbit removal that first guide and second guide self cooperation were set for when laminating or separating with the lower bolster, make cope match-plate pattern and the accurate laminating of lower bolster, the second die cavity of cope match-plate pattern and the first die cavity on the lower bolster pass through accurate laminating, constitute accurate cavity, make the mould when moulding plastics, can mould plastics according to accurate cavity that makes up, reduce the risk that production unqualified product influences product performance.

Drawings

Fig. 1 is a schematic structural view of an injection mold.

Fig. 2 is a schematic diagram of the upper die plate structure.

Fig. 3 is a schematic view of the lower die plate structure.

Fig. 4 is a schematic view of the structure of an injection molded product.

Reference numerals

1. A lower template; 2. an upper template; 3. a first cavity; 4. a second cavity; 5. a first injection molding groove; 51. a first main injection molding groove; 52. a first sub-injection molding groove; 6. a second injection molding groove; 61. a second main injection molding groove; 62. a second injection molding groove; 7. a clamping groove; 8. a first wire placing groove; 9. a second wire placing groove; 10. a fixing hole; 11. a first guide; 12. a second guide; 13. and (5) injection molding of a product.

Detailed Description

The present application is described in further detail below with reference to the accompanying drawings.

In this embodiment, referring to fig. 1 and 2, an injection mold includes a lower mold plate 1 and an upper mold plate 2, wherein the lower mold plate 1 is provided with the upper mold plate 2, a side surface of the lower mold plate 1, which is close to the upper mold plate 2, is provided with a first cavity 3, a side surface of the upper mold plate 2, which is close to the lower mold plate 1, is provided with a second cavity 4, and when the lower mold plate 1 and the upper mold plate 2 are combined, the first cavity 3 and the second cavity 4 can be combined to form a cavity for filling molten material, so that the molten material is matched with the shape of the cavity for injection molding. The lower bolster 1 is close to a side of cope match-plate pattern 2 and still is equipped with first groove 5 of moulding plastics, and a side of cope match-plate pattern 2 is close to lower bolster 1 is equipped with second groove 6 of moulding plastics, and first groove 5 of moulding plastics and second groove 6 of moulding plastics can be combined when lower bolster 1 and cope match-plate pattern 2 close the membrane and form the passageway that is used for the melt to flow, and first groove 5 of moulding plastics and first die cavity 3 switch on, and second groove 6 of moulding plastics and second die cavity 4 switch on, and the other end and the external world of first groove 5 of moulding plastics and second groove 6 of moulding plastics switch on, and external melt gets into in first groove 5 of moulding plastics and the second groove 6 of moulding plastics, and injection molding is accomplished in first die cavity 3 and the second die cavity 4.

Referring to fig. 3, a clamping groove 7 is formed in the first injection molding groove 5 or the second injection molding groove 6, when the clamping groove 7 is formed in the first injection molding groove 5, the molten material is formed after flowing through the first injection molding channel, when the upper die plate 2 and the lower die plate 1 are opened, the formed molten material and the clamping groove 7 are clamped, so that the injection molding product 13 is stably mounted on the lower die plate 1, when the clamping groove 7 is formed in the second injection molding groove 6, the molten material is formed after flowing through the second injection molding channel, when the upper die plate 2 and the lower die plate 1 are opened, the formed molten material and the clamping groove 7 are clamped, so that the injection molding product 13 is stably mounted on the upper die plate 2, the stable setting of the injection molding product 13 during opening is accurately and effectively controlled, the injection molding product 13 is fixed on the lower die plate 1 or the upper die plate 2, the demolding and the collection are facilitated for subsequent workers, and the risk of damaging the injection molding product 13 is reduced.

Referring to fig. 3 and 4, the preferred clamping groove 7 is arranged in the first injection molding groove 5 of the lower die plate 1, a plurality of clamping grooves 7 are arranged in the first injection molding groove 5 in a concave manner, six clamping grooves 7 are preferred, the adjacent clamping grooves 7 are uniformly arranged at intervals, the injection molding product 13 and the clamping grooves 7 are firmly clamped, the clamping area of the injection molding product 13 is increased by the plurality of clamping grooves 7, the clamping points are uniformly distributed, larger force and pressure can be borne, the loosening or fracture is difficult, and the stability of the clamping can be ensured.

In this embodiment, referring to fig. 2 and 3, the lower die plate 1 is provided with a plurality of first cavities 3, the upper die plate 2 is provided with a plurality of second cavities 4, and a plurality of workpieces can be processed and injection molded simultaneously through a plurality of first cavities 3 and second cavities 4, so that injection molding efficiency is improved.

In this embodiment, referring to fig. 2 and 3, the first injection molding groove 5 and the second injection molding groove 6 are correspondingly disposed, the first injection molding groove 5 includes a first main injection molding groove 51 and a first sub injection molding groove 52, one end of the first main injection molding groove 51 is conducted with the side surface of the lower mold plate 1, the other end is connected with at least one first sub injection molding groove 52, one end of the first sub injection molding groove 52 far away from the first main injection molding groove 51 is conducted with the first cavity 3, the second injection molding groove 6 includes a second main injection molding groove 61 and a second sub injection molding groove 62, two ends of the second main injection molding groove 61 are conducted with the side surface of the upper mold plate 2, the other end is connected with at least one second sub injection molding groove 62, and one end of the second sub injection molding groove 62 far away from the second main injection molding groove 61 is conducted with the second cavity 4. The melt flows into the die cavity through the main injection molding groove to the plurality of sub injection molding grooves, so that a convenient and quick worker performs injection molding on the plurality of die cavities, and whether the melt is full or not is easily judged under the condition of reducing the use of the melt, thereby reducing the production investment and saving the cost. Simultaneously, the speed of the molten material entering the cavity is slowed down by the diversion, so that the molten material fully and uniformly fills the cavity, and the injection molding product 13 is excellent in effect.

In this embodiment, referring to fig. 2 and 3, the lower die plate 1 is provided with a first wire placing groove 8, the first wire placing groove 8 is communicated with the first cavity 3, the plug hardware is partially installed into the first cavity 3, the wiring for connecting the hardware is initially and stably arranged through the first wire placing groove 8, dislocation arrangement caused by loosening is avoided, the upper die plate 2 is provided with a second wire placing groove 9, the second wire placing groove 9 is communicated with the second cavity 4, and the lower die plate 1 and the upper die plate are in film combination. The second wire placing groove 9 and the first wire placing groove 8 are fully sleeved with wires, and the wires are stably arranged in the injection molding process.

In this embodiment, referring to fig. 3, the bottom of the first cavity 3 is concavely provided with a fixing hole 10, and the plug hardware part is fixed through the fixing hole 10, so as to stabilize the plug hardware, and reduce the risk of bad products caused by workpiece displacement in the injection molding process.

In this embodiment, referring to fig. 2 and 3, a first guide member 11 is provided on the lower die plate 1, a second guide member 12 is provided on the upper die plate 2 corresponding to the first guide member 11, and the first guide member 11 and the second guide member 12 are cooperatively guided. The preferable first guide piece 11 is a cylindrical embedding channel formed by the concave conduction of the lower die plate 1, the second guide piece 12 is a cylindrical fixed column, and the second guide piece 12 is inserted into the first guide piece 11 in a penetrating way, so that the lower die plate 1 and the upper die plate 2 can stably and accurately close the film when the film is closed, and the possibility of poor injection molding products 13 caused by dislocation of the closed film is avoided.

The embodiments of the present utility model are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in this way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (8)

1. The utility model provides an injection mold, its characterized in that, includes lower bolster (1), be equipped with cope match-plate pattern (2) on lower bolster (1), lower bolster (1) is close to cope match-plate pattern (2) one side is equipped with first die cavity (3), cope match-plate pattern (2) are close to a side of lower bolster (1) corresponds first die cavity (3) position is equipped with second die cavity (4), be equipped with on lower bolster (1) to first injection molding groove (5) of material to first die cavity (3) internal injection molding, correspond on cope match-plate pattern (2) first injection molding groove (5) are equipped with second injection molding groove (6) of material to second die cavity (4), first injection molding groove (5) or be equipped with joint groove (7) in second injection molding groove (6).

2. An injection mould according to claim 1, characterized in that the clamping groove (7) is provided in plurality.

3. An injection mould according to claim 2, characterized in that adjacent clamping grooves (7) are arranged at even intervals.

4. An injection mould according to claim 1, characterized in that the first cavity (3) and the second cavity (4) are provided in plurality.

5. An injection mould according to claim 4, wherein the first injection groove (5) comprises a first main injection groove (51) and a first sub injection groove (52), one end of the first main injection groove (51) is communicated with the side surface of the lower mould plate (1), at least one first sub injection groove (52) is connected to the other end of the first sub injection groove (52), one end of the first sub injection groove (52) far away from the first main injection groove (51) is communicated with the first cavity (3), the second injection groove (6) comprises a second main injection groove (61) and a second sub injection groove (62), two ends of the second main injection groove (61) are communicated with the side surface of the upper mould plate (2), at least one second sub injection groove (62) is connected to the other end of the second sub injection groove (62) far away from the second main injection groove (61) and is communicated with the second cavity (4).

6. An injection mould according to claim 5, characterized in that the first mould cavity (3) is connected in a conductive manner to a first wire-laying groove (8), and the second mould cavity (4) is connected in a conductive manner to a second wire-laying groove (9).

7. An injection mould according to claim 6, characterized in that the first cavity (3) is provided with a fixing hole (10) in a concave manner at the bottom.

8. An injection mould according to claim 1, characterized in that the lower mould plate (1) is provided with a first guide member (11), the upper mould plate (2) is provided with a second guide member (12), and the first guide member (11) and the second guide member (12) are guided in a matched manner.