CN214026925U

CN214026925U - Injection mold capable of being automatically aligned

Info

Publication number: CN214026925U
Application number: CN202022748981.1U
Authority: CN
Inventors: 毕显坤; 董丰睿; 魏新宁; 曲兆刚; 申冬冬; 杨宝华
Original assignee: Qingdao Sanyuan Plastic Technology Co ltd
Current assignee: Qingdao Sanyuan Plastic Technology Co ltd
Priority date: 2020-11-24
Filing date: 2020-11-24
Publication date: 2021-08-24
Anticipated expiration: 2030-11-24

Abstract

The utility model belongs to the technical field of injection mold, in particular to an injection mold capable of automatic alignment, which comprises an upper guide rail and a lower guide rail, wherein the lower guide rail is positioned below the upper guide rail, a driving cylinder is arranged on the left side of the lower end surface of the upper guide rail, an upper mold is arranged on the lower end surface of the driving cylinder, the upper end surface of the lower guide rail is slidably connected with a lower mold, two side plates which are distributed on the left and the right are fixedly connected with the upper end surface of the upper guide rail, and because a positioning ball rolls in a base through a plurality of balls, the positioning ball forces the lower mold to finely adjust the position, so that the positioning ball completely enters into a positioning groove, thereby completing the precise mold closing of the upper mold and the lower mold, improving the injection molding effect and the product quality, solving the problem that the lower mold can not precisely move to a specified position when the existing injection mold capable of automatic alignment is used, leading to the buckling and dislocation of the upper mold groove and the lower mold groove, the molding precision of the product is reduced, and the injection molding effect is affected.

Description

Injection mold capable of being automatically aligned

Technical Field

The utility model relates to an injection mold technical field, concretely relates to but automatic alignment's injection mold.

Background

An injection mold is a tool for producing plastic products; the injection molding is a processing method used for batch production of parts with complex shapes, and particularly relates to a method for injecting heated and melted plastic into a mold cavity from an injection molding machine at high pressure, and obtaining a molded product after cooling and solidification.

When the existing injection mold is used, the lower mold cannot be accurately moved to an appointed position, so that the upper mold groove and the lower mold groove are buckled and staggered, the product forming precision is reduced, and the injection molding effect is influenced.

Disclosure of Invention

For solving the problem that provides among the above-mentioned background art, the utility model provides a but automatic alignment's injection mold has and can pinpoint, and it is accurate to make to go up mould lower mould lock, improves the characteristics of the effect of moulding plastics and product precision.

In order to achieve the above object, the utility model provides a following technical scheme: an injection mold capable of automatically aligning comprises an upper guide rail and a lower guide rail, wherein the lower guide rail is positioned below the upper guide rail, a driving cylinder is arranged on the left side of the lower end face of the upper guide rail, an upper die is arranged on the lower end face of the driving cylinder, the upper end face of the lower guide rail is slidably connected with a lower die, the upper end face of the upper guide rail is fixedly connected with two side plates which are distributed left and right, a lead screw is rotatably connected between the two side plates, a motor is arranged on the right side of the right side plate, the output end of the motor penetrates through the side plates and extends between the two side plates to be fixedly connected with the lead screw, the outer wall of the lead screw is slidably connected with a movable block, the lower end face of the movable block is fixedly connected with a vertical rod, an elongated slot is formed in the upper end face of the upper guide rail in a penetrating manner, the lower end face of the vertical rod penetrates through the upper guide rail and extends to the lower part of the upper guide rail through the elongated slot, and a positioning plate is fixedly connected with the left side wall of the vertical rod, positioner is all installed to the lower terminal surface left and right sides of going up the mould, positioner includes the base, the up end of base and the lower terminal surface fixed connection who goes up the mould, the lower terminal surface fixedly connected with lantern ring of base, the inside fixedly connected with collar of the lantern ring, the inside swing joint of base has the location ball, the lower hemisphere of location ball runs through the collar and extends to the below of base, constitute thin chamber between the episphere of location ball and the inner wall of base, the inside swing joint in thin chamber has a plurality of balls, and is a plurality of the outer wall of ball all with the outer wall butt of location ball, the constant head tank has all been seted up to the up end left and right sides of lower mould.

As the utility model relates to a but the injection mold of automatic alignment is preferred in order not to fall out the location ball joint in the base inside, the part that the location ball extends the base accounts for the third of location ball total volume.

In order to fix a position conveniently through location ball and constant head tank, as the utility model relates to a but automatic alignment's injection mold is preferred, the constant head tank is the hemisphere groove with location ball matched with.

In order to tentatively confirm the fixed position of lower mould, as the utility model relates to a but automatic alignment's injection mold is preferred, the locating plate sets up with the lower rail is perpendicular.

For the convenience with the lower mould alignment, as the utility model relates to a but injection mold of automatic alignment is preferred, the lower terminal surface of going up the mould is provided with the die cavity, the up end of lower mould is provided with down the die cavity, go up the die cavity and be located same vertical line with the right side wall of lower mould when the die cavity aligns the state with lower die cavity.

In order to prolong the service life of the positioning ball, the utility model relates to a but automatic alignment's injection mold is preferred, the positioning ball is stainless steel.

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

by arranging the positioning plate, before the die assembly is carried out, the starting motor drives the screw rod to rotate, the screw rod drives the movable block on the outer wall of the screw rod to move left and right, so as to drive the vertical rod on the lower end surface of the movable block and the positioning plate to move left and right, the positioning plate is moved to the left side wall to abut against the right side wall of the upper die, then the lower die is driven to move right through the lower guide rail until the right side wall of the lower die abuts against the left side of the positioning plate, when the upper die groove and the lower die groove are aligned, the right side walls of the upper die and the lower die are positioned on the same vertical line, so as to initially position the upper die and the lower die, then the upper die is driven to move downwards gradually through the driving cylinder, if small errors still exist in the positioning of the positioning plate, two positioning balls at the bottom of the upper die and the positioning groove at the upper end of the lower die have deviations, the positioning balls cannot enter the positioning groove, because the positioning balls roll in the base through a plurality of balls, so as to force the lower die to finely adjust the position, the positioning ball completely enters the positioning groove, so that the precise die assembly of the upper die and the lower die is completed, and the injection molding effect and the product quality are improved.

In conclusion, the injection mold capable of being automatically aligned has the characteristics of being capable of accurately positioning, enabling the upper mold and the lower mold to be accurately buckled, and improving the injection molding effect and the product precision.

Drawings

FIG. 1 is an overall structure diagram of the present invention;

FIG. 2 is an enlarged structural view of an upper die and a lower die of the utility model;

FIG. 3 is a cross-sectional structural view of the positioning device of the present invention;

fig. 4 is a three-dimensional structure diagram of the positioning device of the present invention.

In the figure, 1, an upper guide rail; 2. a lower guide rail; 3. a driving cylinder; 4. an upper die; 5. a lower die; 6. a side plate; 7. a screw rod; 8. a motor; 9. a movable block; 10. a vertical rod; 11. positioning a plate; 12. a positioning device; 13. A base; 14. a collar; 15. a mounting ring; 16. a thin cavity; 17. a ball bearing; 18. a positioning ball; 19. and (6) positioning a groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-4, the present invention provides the following technical solutions: an injection mold capable of automatically aligning comprises an upper guide rail 1 and a lower guide rail 2, wherein the lower guide rail 2 is positioned below the upper guide rail 1, a driving cylinder 3 is arranged on the left side of the lower end face of the upper guide rail 1, an upper die 4 is arranged on the lower end face of the driving cylinder 3, a lower die 5 is connected on the upper end face of the lower guide rail 2 in a sliding manner, two side plates 6 distributed left and right are fixedly connected on the upper end face of the upper guide rail 1, a screw rod 7 is rotatably connected between the two side plates 6, a motor 8 is arranged on the right side of the right side plate 6, the output end of the motor 8 penetrates through the side plates 6 and extends to a position between the two side plates 6 to be fixedly connected with the screw rod 7, a movable block 9 is connected on the outer wall of the screw rod 7 in a sliding manner, a vertical rod 10 is fixedly connected on the lower end face of the movable block 9, an elongated slot is formed in a penetrating manner on the upper end face of the upper guide rail 1, and the lower end face of the vertical rod 10 penetrates through the upper guide rail 1 and extends to the lower part of the upper guide rail 1, the left lateral wall fixedly connected with locating plate 11 of montant 10, positioner 12 is all installed to the lower terminal surface left and right sides of last mould 4, positioner 12 includes base 13, the up end of base 13 and the lower terminal surface fixed connection who goes up mould 4, the lower terminal surface fixedly connected with lantern ring 14 of base 13, the inside fixedly connected with collar 15 of lantern ring 14, the inside swing joint of base 13 has location ball 18, the lower hemisphere of location ball 18 runs through collar 15 and extends to the below of base 13, constitute thin chamber 16 between the episphere of location ball 18 and the inner wall of base 13, the inside swing joint of thin chamber 16 has a plurality of balls 17, the outer wall of a plurality of balls 17 all with the outer wall butt of location ball 18, constant head tank 19 has all been seted up to the up end left and right sides of lower mould 5.

In this embodiment: through the arrangement of the positioning plate 11, before the die assembly is carried out, the starting motor 8 drives the screw rod 7 to rotate, the screw rod 7 drives the movable block 9 on the outer wall of the screw rod 7 to move left and right, so as to drive the vertical rod 10 on the lower end surface of the movable block 9 and the positioning plate 11 to move left and right, the positioning plate 11 is moved to the left side wall to be abutted against the right side wall of the upper die 4, then the lower die 5 is driven to move right through the lower guide rail 2 until the right side wall of the lower die 5 is abutted against the left side of the positioning plate 11, when the upper die groove is aligned with the lower die groove, the right side walls of the upper die 4 and the lower die 5 are positioned on the same vertical line, so as to preliminarily position the upper die 4 and the lower die 5, then the upper die 4 is driven to gradually move downwards through the driving cylinder 3, if small errors still exist in the positioning through the positioning plate 11, two positioning balls 18 at the bottom of the upper die 4 have deviations with the positioning grooves 19 at the upper end of the lower die 5, and the positioning balls 18 can not enter the positioning grooves 19, because the locating ball 18 rolls in the base 13 through a plurality of balls 17, the locating ball 18 forces the lower die 5 to finely adjust the position, so that the locating ball 18 completely enters the locating groove 19, the precise die assembly of the upper die 4 and the lower die 5 is completed, and the injection molding effect and the product quality are improved.

As a technical optimization scheme of the utility model, the part that positioning ball 18 extends out of base 13 accounts for one third of the total volume of positioning ball 18.

In this embodiment: the part of the positioning ball 18 extending out of the base 13 accounts for one third of the total volume of the positioning ball 18, so that the positioning ball 18 is conveniently clamped inside the base 13, and the positioning ball 18 is prevented from falling out of the base 13.

As a technical optimization scheme of the utility model, the positioning groove 19 is a hemispherical groove matched with the positioning ball 18.

In this embodiment: the locating slot 19 matches with the locating ball 18, so that the locating ball 18 can be perfectly attached when entering the locating slot 19, and the locating effect is realized.

As a technical optimization scheme of the utility model, locating plate 11 sets up with lower guide rail 2 is perpendicular.

In this embodiment: the positioning plate 11 is perpendicular to the lower guide rail 2, and the vertically arranged positioning plate 11 ensures that the upper die 4 and the lower die 5 which are both attached to the left side wall of the positioning plate 11 can keep alignment, so that die assembly is facilitated.

As a technical optimization scheme of the utility model, the lower terminal surface of going up mould 4 is provided with the die cavity, and the up end of lower mould 5 is provided with down the die cavity, goes up the die cavity and goes up the right side wall of mould 4 and lower mould 5 when the die cavity aligns the state with lower die cavity and be located same vertical line.

In this embodiment: when the right side walls of the upper die 4 and the lower die 5 are aligned through the positioning plate 11, the alignment of the upper die groove and the lower die groove is ensured, and the die assembly precision is improved.

As a technical optimization scheme of the utility model, the locating ball 18 is made of stainless steel.

In this embodiment: the stainless steel positioning ball 18 is high in hardness, not prone to abrasion and rusting, positioning accuracy is improved, and meanwhile the service life of equipment is prolonged.

The utility model discloses a theory of operation and use flow: before the die assembly is carried out, a starting motor 8 drives a screw rod 7 to rotate, the screw rod 7 drives a movable block 9 on the outer wall of the screw rod 7 to move left and right, so as to drive a vertical rod 10 on the lower end surface of the movable block 9 and a positioning plate 11 to move left and right, the positioning plate 11 is moved to the left side wall to be abutted against the right side wall of an upper die 4, then the lower die 5 is driven to move right through a lower guide rail 2 until the right side wall of the lower die 5 is abutted against the left side of the positioning plate 11, when the upper die groove is aligned with the lower die groove, the right side walls of the upper die 4 and the lower die 5 are positioned on the same vertical line, so as to preliminarily position the upper die 4 and the lower die 5, then the upper die 4 is driven to move downwards gradually through a driving cylinder 3, if the positioning through the positioning plate 11 still has small errors, two positioning balls 18 at the bottom of the upper die 4 have deviations with a positioning groove 19 of the lower die 5, the positioning balls 18 can not enter the positioning groove 19, and the positioning balls 18 roll inside a base 13 through a plurality of balls 17, thereby the location ball 18 forces the lower mould 5 to carry out slight adjustment position, makes the location ball 18 get into the constant head tank 19 inside completely to accomplish the accurate compound die of last mould 4 lower mould 5, improve the effect of moulding plastics and product quality.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. An injection mold capable of automatically aligning, comprising an upper guide rail (1) and a lower guide rail (2), wherein the lower guide rail (2) is positioned below the upper guide rail (1), and is characterized in that: a driving cylinder (3) is installed on the left side of the lower end face of the upper guide rail (1), an upper die (4) is installed on the lower end face of the driving cylinder (3), a lower die (5) is connected to the upper end face of the lower guide rail (2) in a sliding manner, two side plates (6) distributed left and right are fixedly connected to the upper end face of the upper guide rail (1), a lead screw (7) is rotatably connected between the two side plates (6), a motor (8) is installed on the right side of the side plate (6), the output end of the motor (8) penetrates through the side plates (6) and extends to a position between the two side plates (6) to be fixedly connected with the lead screw (7), a movable block (9) is connected to the outer wall of the lead screw (7) in a sliding manner, a vertical rod (10) is fixedly connected to the lower end face of the movable block (9), an elongated slot is formed in a penetrating manner through the upper end face of the upper guide rail (1), and the lower end face of the vertical rod (10) penetrates through the elongated slot and extends to the lower portion of the upper guide rail (1), the utility model discloses a positioning device, including montant (10), last mould (4), last mould (10) and locating device (12) are all installed to the lower terminal surface left and right sides, locating device (12) include base (13), the up end of base (13) and the lower terminal surface fixed connection of last mould (4), the lower terminal surface fixed connection of base (13) encircles ring (14), the inside fixedly connected with collar (15) of lantern ring (14), the inside swing joint of base (13) has location ball (18), the lower hemisphere of location ball (18) runs through collar (15) and extends to the below of base (13), constitute thin chamber (16) between the upper hemisphere of location ball (18) and the inner wall of base (13), the inside swing joint of thin chamber (16) has a plurality of balls (17), and a plurality of the outer wall of ball (17) all with the outer wall butt of location ball (18), and the left side and the right side of the upper end surface of the lower die (5) are provided with positioning grooves (19).

2. A self-alignable injection mold according to claim 1, wherein: the part of the positioning ball (18) extending out of the base (13) accounts for one third of the total volume of the positioning ball (18).

3. A self-alignable injection mold according to claim 1, wherein: the positioning groove (19) is a semi-spherical groove matched with the positioning ball (18).

4. A self-alignable injection mold according to claim 1, wherein: the positioning plate (11) is perpendicular to the lower guide rail (2).

5. A self-alignable injection mold according to claim 1, wherein: the lower end face of the upper die (4) is provided with an upper die cavity, the upper end face of the lower die (5) is provided with a lower die cavity, and the right side walls of the upper die (4) and the lower die (5) are located on the same vertical line when the upper die cavity and the lower die cavity are aligned.

6. A self-alignable injection mold according to claim 1, wherein: the positioning ball (18) is made of stainless steel.