CN220146552U - Split die lip matched blank injection die - Google Patents

Abstract

The utility model discloses a split type die lip matched blank injection die which comprises a base and a limiting column, wherein the inside of the base is fixedly connected with the limiting column, the outside of the limiting column is movably sleeved with a left fixing seat and a right fixing seat respectively, the left side of the base is fixedly connected with a mounting wall, the left side and the right side of the base are fixedly connected with mounting walls, and the right side of the left fixing seat is fixedly connected with a left die holder. This split type die lip cooperation notes base mould is through being provided with compound die cylinder, split type die lip, filling opening, and right die holder and left die holder are through the promotion quick compound die of compound die cylinder, annotate the base in the split type die lip of merging through the filling opening after the compound die, and after the die shaping in the die cavity that two sets of split type die lips formed, through controlling two demoulding mechanism and drawing of patterns, this mould has realized quick efficient notes base and drawing of patterns through split type design, has solved the problem that can not quick high-efficient notes base and drawing of patterns.

Description

Split die lip matched blank injection die

Technical Field

The utility model relates to the technical field of injection molds, in particular to a split type die lip matched injection mold.

Background

The injection mould is a mould for molding thermoplastic products, and the products are processed into required shapes through various processing technologies such as injection molding, compression molding, extrusion molding, compression injection molding or hollow molding, and the like, so that the injection mould is particularly suitable for processing complex shapes.

However, many injection molds all adopt monomers to enable mold lips to be ejected after direct injection, and when the molds are combined, gaps are generated at the positions of the molds and the products, so that the edge bonding line of the products is deeper, and meanwhile, the demolding of the products is inconvenient, so that the requirements of efficient injection and demolding cannot be met.

Therefore, a split type die lip matched injection mold is needed to solve the technical defects in the technology.

Disclosure of Invention

The utility model aims to provide a split type die lip matched injection die, which aims to solve the problem that the requirements of efficient injection and demolding cannot be met in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a split type die lip cooperation injection mold, includes base and spacing post, the inside fixedly connected with spacing post of base, left fixing base and right fixing base have been cup jointed to the outside of spacing post activity respectively, the left side fixedly connected with installation wall of base, the equal fixedly connected with installation wall in the left and right sides of base, left fixing base right side fixedly connected with left die holder, right fixing base left side fixedly connected with right die holder, the top of right die holder and left die holder all is provided with the filling opening, the inside equal fixedly connected with split type die lip of right die holder and left die holder, left ejecting groove and right ejecting groove have been seted up respectively to the inside of split type die lip.

Preferably, the outer side wall of the mounting wall is fixedly connected with two combined die cylinders respectively, and the output ends of the combined die cylinders are fixedly connected to the left fixing seat and the right fixing seat through piston rods respectively.

Preferably, the left side wall of the left fixing seat is fixedly connected with an ejection cylinder, the output end of the ejection cylinder is fixedly connected with a single ejector rod, and the single ejector rod penetrates through the left ejection groove.

Preferably, the servo motor is fixedly connected with the top end of the right die holder, the screw is fixedly connected with the output shaft of the servo motor, the screw is movably assembled inside the right die holder, two sets of thread sleeves are movably sleeved outside the screw, a triangular push frame is hinged at the thread sleeve together, a double push rod is hinged at the left side of the triangular push frame, and the double push rod penetrates through the right push-out groove.

Preferably, the screw threads of the upper part and the lower part of the screw are opposite in direction, and the triangular pushing frame, the screw and the threaded sleeve form an isosceles triangular structure.

Preferably, the bottom ends of the right die holder and the left die holder are welded with movable seats, and the movable seats are respectively movably sleeved outside the limiting columns to move.

Compared with the prior art, the utility model has the beneficial effects that: the split type die lip matched injection die not only realizes quick and efficient injection and demoulding, realizes less surface defects such as product bonding lines, air holes and the like, has better product quality, but also realizes simple maintenance and high movement stability;

(1) The mold is characterized in that a mold closing cylinder, a split type mold lip and an injection opening are arranged, a right mold seat and a left mold seat are pushed by the mold closing cylinder to rapidly mold, after mold closing, a blank is injected into the combined split type mold lip through the injection opening, after the mold in a cavity formed by the two split type mold lips is cooled by an external cooling device, the mold is demolded by a left mold seat and a right mold seat, after demolding, the left mold seat and the right mold seat are separated, a molded product automatically falls off, and the product is taken away by a robot, so that the rapid and efficient blank injection and demolding of the mold are realized through split type design;

(2) The left die holder and the right die holder are separated by a certain distance during demolding, the single ejector rod is pushed into the left ejection groove by the ejection cylinder at the left die holder, a product at the split die lip is pushed to the right, the servo motor is started, the driving screw rod rotates to drive the two groups of threaded sleeves to relatively move, the triangular ejector rack pushes the double ejector rod to the left to eject the product from the right ejection groove, at the moment, the product is separated from the split die lip, the screw rod is reversed, the double ejector rod is recycled, the split die lip is pulled inwards, the product is completely separated from the die, the demolding success rate is improved through the left and right demolding mechanisms, the surface defects such as product bonding lines and air holes are reduced, and the product quality is better;

(3) Through being provided with movable seat, spacing post, base, left fixing base, right die holder and left die holder bottom all weld and have movable seat, and base department transversely is fixed with spacing post, and two sets of movable seat cup joints in spacing post outsidely, and when left die holder and right die holder moved along with left fixing base and right fixing base, then movable seat moved in spacing post outside, only need provide the lubrication to spacing post, can guarantee stability and smoothness degree that the die holder removed, and it is simple to maintain, and movement stability is high.

Drawings

FIG. 1 is a schematic cross-sectional elevation view of the present utility model;

FIG. 2 is a schematic diagram of a front view of a left die holder according to the present utility model;

FIG. 3 is a schematic view of a right die holder according to the present utility model;

fig. 4 is a schematic cross-sectional front view of the base of the present utility model.

In the figure: 1. a right die holder; 2. a left die holder; 3. installing a wall; 4. a die closing cylinder; 5. a left fixing seat; 6. an ejection cylinder; 7. a base; 8. a limit column; 9. a movable seat; 10. a right fixing seat; 11. an injection port; 12. a left ejection groove; 13. a split die lip; 14. a single ejector rod; 15. a right ejection slot; 16. double ejector rods; 17. a servo motor; 18. a thread sleeve; 19. a screw; 20. triangular pushing frame.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1: referring to fig. 1-4, a split type die lip matching injection mold comprises a base 7 and a limit post 8, wherein the left side of the base 7 is fixedly connected with a mounting wall 3, the left side and the right side of the base 7 are fixedly connected with the mounting wall 3, the right side of a left fixing seat 5 is fixedly connected with a left mold seat 2, the left side of a right fixing seat 10 is fixedly connected with a right mold seat 1, the top ends of the right mold seat 1 and the left mold seat 2 are respectively provided with an injection port 11, the inside of the right mold seat 1 and the inside of the left mold seat 2 are respectively fixedly connected with a split type die lip 13, the inside of the split type die lip 13 is respectively provided with a left ejection groove 12 and a right ejection groove 15, the outer side wall of the mounting wall 3 is respectively fixedly connected with two combined mold cylinders 4, and the output ends of the combined mold cylinders 4 are respectively fixedly connected to the left fixing seat 5 and the right fixing seat 10 through piston rods;

specifically, as shown in fig. 1, 2 and 3, the right die holder 1 and the left die holder 2 are pushed by a die clamping cylinder 4 to rapidly clamp, after clamping, a blank is injected into a combined split die lip 13 through an injection port 11, after the dies in the cavities formed by the two split die lips 13 are molded, after the dies are cooled by an external cooling device, demolding is performed by a left-right demolding mechanism, after demolding, the left die holder 2 and the right die holder 1 are separated, a molded product automatically falls, and the product is taken away by a robot.

Example 2: the left side wall of the left fixed seat 5 is fixedly connected with an ejection cylinder 6, the output end of the ejection cylinder 6 is fixedly connected with a single ejector rod 14, the single ejector rod 14 penetrates through the left ejection groove 12, the top end of the right die holder 1 is fixedly connected with a servo motor 17, the output shaft of the servo motor 17 is fixedly connected with a screw rod 19, the screw rod 19 is movably assembled in the right die holder 1, two groups of thread sleeves 18 are movably sleeved outside the screw rod 19, the thread sleeves 18 are jointly hinged with a triangular pushing frame 20, the left side of the triangular pushing frame 20 is hinged with a double ejector rod 16, the double ejector rod 16 penetrates through the right ejection groove 15, the upper thread direction and the lower thread direction of the screw rod 19 are opposite, and the triangular pushing frame 20, the screw rod 19 and the thread sleeve 18 form an isosceles triangle structure;

specifically, as shown in fig. 1, 2 and 3, during demolding, the right die holder 1 and the left die holder 2 are separated by a certain distance, the ejection cylinder 6 at the left die holder 2 pushes the single ejector rod 14 into the left ejection groove 12, the product at the split die lip 13 is pushed to the right, the servo motor 17 is started, the driving screw 19 rotates to drive the two sets of threaded sleeves 18 to relatively move, the triangular pushing frame 20 pushes the double ejector rod 16 to the left to eject the product from the right ejection groove 15, at the moment, the product is separated from the split die lip 13, the screw 19 is reversed, the double ejector rod 16 is recovered, the split die lip 13 is pulled inwards, the product is completely separated from the die, the demolding can be completed, the demolding success rate is improved through the left and right double demolding mechanism, and surface defects such as product bonding lines and air holes are reduced.

Example 3: the inside of the base 7 is fixedly connected with a limit post 8, the outside of the limit post 8 is respectively and movably sleeved with a left fixed seat 5 and a right fixed seat 10, the bottom ends of the right die holder 1 and the left die holder 2 are welded with a movable seat 9, and the movable seat 9 is respectively and movably sleeved outside the limit post 8 for movement;

specifically, as shown in fig. 1, 2, 3 and 4, the bottom ends of the right die holder 1 and the left die holder 2 are welded with a movable seat 9, a limit post 8 is transversely fixed at the base 7, two groups of movable seats 9 are sleeved outside the limit post 8, when the left die holder 2 and the right die holder 1 move along with the left fixed seat 5 and the right fixed seat 10, the movable seat 9 moves outside the limit post 8, and the stability and smoothness of the movement of the die holder can be ensured only by providing lubrication for the limit post 8.

Working principle: when the die is used, the right die holder 1 and the left die holder 2 are rapidly matched by pushing of the die clamping cylinder 4, after the die is matched, the combined split type die lips 13 are internally injected with blanks through the injection opening 11, after the dies in the cavities formed by the two split type die lips 13 are formed, the dies are cooled by an external cooling device, and are demolded by a left double demolding mechanism and a right double demolding mechanism, during demolding, the right die holder 1 and the left die holder 2 are separated by a certain distance, the ejection cylinder 6 at the left die holder 2 pushes the single ejector rod 14 into the left ejection groove 12, the products at the split type die lips 13 are pushed to the right, the servo motor 17 is started, the driving screw 19 rotates to drive the two sets of thread sleeves 18 to relatively move, the triangular ejector rack 20 pushes the double ejector rods 16 to the left to eject the products from the right ejection groove 15, at the moment, the products are separated from the split type die lips 13, the screw 19 is reversed, the double ejector rods 16 are recovered, the split type die lips 13 are pulled inwards, and the demolding can be completed, after demolding, the left die holder 2 and the right die holder 1 are separated, and the molded products are automatically dropped by a robot.

Claims (6)

1. The utility model provides a split type die lip cooperation injection mold, includes base (7) and spacing post (8), its characterized in that: the novel plastic injection molding machine is characterized in that a limit column (8) is fixedly connected inside the base (7), a left fixing seat (5) and a right fixing seat (10) are movably sleeved outside the limit column (8) respectively, a mounting wall (3) is fixedly connected to the left side of the base (7), a mounting wall (3) is fixedly connected to the left side and the right side of the base (7), a left die holder (2) is fixedly connected to the right side of the left fixing seat (5), a right die holder (1) is fixedly connected to the left side of the right fixing seat (10), an injection port (11) is formed in the top ends of the right die holder (1) and the left die holder (2), split die lips (13) are fixedly connected to the right die holder (1) and the left die holder (2), and a left ejection groove (12) and a right ejection groove (15) are respectively formed in the split die lips (13).

2. The split lip mating injection mold of claim 1, wherein: the outer side wall of the mounting wall (3) is fixedly connected with two combined die cylinders (4) respectively, and the output ends of the combined die cylinders (4) are fixedly connected to a left fixing seat (5) and a right fixing seat (10) through piston rods respectively.

3. The split lip mating injection mold of claim 1, wherein: the left side wall of left fixing base (5) fixedly connected with ejecting cylinder (6), the output fixedly connected with single ejector pin (14) of ejecting cylinder (6), single ejector pin (14) run through left ejection groove (12).

4. The split lip mating injection mold of claim 1, wherein: the novel die comprises a right die holder (1), wherein a servo motor (17) is fixedly connected to the top end of the right die holder (1), a screw rod (19) is fixedly connected to an output shaft of the servo motor (17), the screw rod (19) is movably assembled inside the right die holder (1), two groups of threaded sleeves (18) are movably sleeved outside the screw rod (19), triangular pushing frames (20) are hinged to the threaded sleeves (18) together, double ejector rods (16) are hinged to the left side of each triangular pushing frame (20), and the double ejector rods (16) penetrate through right ejection grooves (15).

5. The split lip mating injection mold of claim 4, wherein: the screw threads of the upper portion and the lower portion of the screw rod (19) are opposite in direction, and the triangular pushing frame (20), the screw rod (19) and the threaded sleeve (18) form an isosceles triangular structure.

6. The split lip mating injection mold of claim 1, wherein: the bottom ends of the right die holder (1) and the left die holder (2) are welded with movable bases (9), and the movable bases (9) are respectively movably sleeved outside the limiting columns (8) to move.