CN210148648U

CN210148648U - Plastic box mould

Info

Publication number: CN210148648U
Application number: CN201921096188.9U
Authority: CN
Inventors: 吴建升; 夏天佐
Original assignee: Zhejiang Kerida Plastic Co Ltd
Current assignee: Zhejiang Kerida Plastic Co Ltd
Priority date: 2019-07-12
Filing date: 2019-07-12
Publication date: 2020-03-17
Anticipated expiration: 2029-07-12

Abstract

The utility model discloses a plastic box mould, which comprises a box body mould and a cover body mould, wherein the box body mould comprises a box body upper mould base and a box body lower mould base, the bottom of the box body upper mould base is provided with a mould core, the box body lower mould base is provided with a box body forming cavity matched with the mould core, the bottom of the box body upper mould base is provided with a box body positioning column, and the box body lower mould base is provided with a box body positioning slot matched with the box body positioning column; the cover body die comprises a slide rail and a slide seat connected to the bottom of the slide rail in a sliding manner, a transversely-arranged mounting plate is fixedly mounted at the bottom of the slide seat, the bottom of the mounting plate is connected with a cover body upper die base through a lifting mechanism, a cover body lower die base is arranged right below the upper die base, and four cover body positioning columns are uniformly mounted at four corners of the bottom of the cover body upper die base. The utility model discloses made things convenient for and carried the lid upper die base and drawn to the injection mold operating procedure that the lid closed again directly over the lid lower bolster, the practicality is strong.

Description

Plastic box mould

Technical Field

The utility model belongs to the technical field of injection mold, especially, relate to a plastic box mould.

Background

The plastic box chooses for use HDPE and PP that have high impact strength to form as the raw materials to mould plastics more, the in-process of moulding plastics, box technology is mostly for once moulding plastics and forms, some plastic box still form a complete set case lid (flat lid and flip are two kinds), and present plastic box mould has the circumstances that the drawing of patterns is not smooth and the upper die base removes the lid and closes inconvenience, produce harmful effects and make the product yield descend to fashioned product easily at the drawing of patterns in-process from this, there is very big limitation.

SUMMERY OF THE UTILITY MODEL

The purpose of the utility model is to solve the shortcoming that exists among the prior art, if: the existing plastic box mold has the problems of unsmooth demolding and inconvenient moving and covering of an upper mold base, and the plastic box mold is further provided.

According to the utility model discloses an aim at, a plastic box mould is provided, it includes box mould and lid mould, wherein, the lid mould includes slide rail and the slide of sliding connection in the slide rail bottom, the bottom fixed mounting of slide has the mounting panel of horizontal setting, the bottom of mounting panel is connected with the lid upper die base through carrying the mechanism, be provided with the lid die holder under the upper die base, four lid reference columns are evenly installed in the bottom four corners of lid upper die base, the upper surface of lid die holder has been seted up and has been matchd the setting respectively with four lid reference columns and obtain four lid positioning slots, be provided with convex module in the lid positioning slot, convex module comprises a plurality of boxed pieces jointly, and there is the clearance between every boxed piece.

From this, there is the clearance between every case piece to make the plastics case lid inner face after the shaping form the strengthening rib, has increased the structural strength of plastics case lid, and the exhaust and the demoulding of the mould of being convenient for of the case piece formula that a plurality of case pieces make up jointly is designed to protruding module simultaneously, and wherein, the gas that comes is then discharged in the gap between lid upper die base and the die holder.

In some embodiments, the lid upper mold base includes a bottom plate and a stripper plate, wherein the shape of the stripper plate determines the shape of the molded lid.

In some embodiments, a rotating shaft transversely arranged is inserted between the supports in a penetrating manner, a servo motor is fixedly mounted at the bottom of the mounting plate, the output end of the servo motor is fixedly connected with the right end of the rotating shaft, two rotating rollers are symmetrically and fixedly sleeved on the rotating shaft, steel wire ropes are wound outside the two rotating rollers, and suckers are fixedly connected to the lower ends of the two steel wire ropes. Therefore, the cover body upper die holder is sucked through the sucking disc, the rotating shaft can be driven to rotate by opening a switch of the servo motor, and the cover body upper die holder is conveniently lifted.

In some embodiments, an air pump is installed on the front side of the installation plate, two air ducts are fixedly connected to the output end of the air pump, and one ends of the air ducts, which are far away from the air pump, are respectively communicated with the interiors of the two suckers. Therefore, the two suckers can be vacuumized by the air pump, and the cover body upper die base is convenient to fix through the two suckers.

In some embodiments, an air blowing valve is installed at the center of the bottom of the lower die base of the cover body, and a plurality of air blowing holes communicated with the air blowing valve are formed in the lower die base of the cover body along the edge of the convex module. From this, when the drawing of patterns, the air valve of blowing inputs the air in to the die holder through a plurality of blow holes that the border of edge convex module was seted up in the lid die holder, produces the effect of thrust upwards with the ejecting die holder of product to the shaping product in the die holder, not only can improve the drawing of patterns efficiency of product, can also make the product not fragile when the drawing of patterns to a certain extent.

In some embodiments, the injection molding opening is arranged at the central position of the top of the upper die base of the cover body. Thus, the material is injected into the covered mold body through the injection port to facilitate molding thereof.

In some embodiments, the bottom of the lower die base of the cover is provided with legs. Therefore, a certain space is formed between the integral structure of the lower die holder of the cover body and the ground, and the input of the air blowing valve is facilitated.

In some embodiments, the box body die further comprises a box body upper die base and a box body lower die base, wherein the bottom of the box body upper die base is provided with a die core, the box body lower die base is provided with a box body forming cavity matched with the die core, the bottom of the box body upper die base is provided with a box body positioning column, and the box body lower die base is provided with a box body positioning slot matched with the box body positioning column. Therefore, the mold core is arranged in the box body forming cavity, and the box body positioning column is inserted into the box body positioning slot, so that the box body upper mold base and the box body lower mold base are covered conveniently.

In some embodiments, the outer edge of the lower cover die holder and the outer edge of the lower box die holder are respectively provided with a nylon die opener and a counter bore for fixing the nylon die opener, and the upper cover die holder and the upper box die holder are respectively provided with a reaming hole adapted to the nylon die opener. Therefore, the upper end of the nylon mold opener is arranged in the reaming hole, and the lower end of the nylon mold opener is arranged in the counter bore, so that the upper mold base and the lower mold base are stably assembled.

In some embodiments, the nylon mold opener is composed of a bolt and a nylon bolt sleeved outside the bolt.

The utility model provides a plastic box mould, it is laminated two sucking discs on the lid upper die base, take out to the vacuum in with two sucking discs through air pump work, just can realize through the fixed action of two sucking discs to the lid upper die base, later drive the pivot through the switch of opening servo motor and rotate and just can realize carrying to the drawing of lid upper die base, the slide slides on the slide rail and has further improved the removal ability of equipment to the lid upper die base, made things convenient for carry the lid upper die base and carried to the injection mold operating procedure that covers the lid again directly over the lid lower bolster, therefore, the clothes hanger is strong in practicability.

And simultaneously, the utility model discloses a plastic box mould adopts the ejecting shaping product of the pneumatic valve of blowing and adopts the dual demoulding structure of nylon mold opener for the product is changeed the demoulding, has increased the yield of demoulding after-yield.

Drawings

Fig. 1 is a schematic structural view of a cover body mold in a plastic box of the present invention;

FIG. 2 is a top view of the internal structure of the lower base of the cover mold shown in FIG. 1;

FIG. 3 is a schematic structural view of the middle box mold of the present invention;

fig. 4 is a schematic structural view of the middle mold opening device of the present invention.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.

As shown in fig. 1-3, the plastic box mold comprises a box body mold and a cover body mold, the box body mold comprises a box body upper mold base 24 and a box body lower mold base 25, a mold core 26 is arranged at the bottom of the box body upper mold base 24, a box body forming cavity 27 matched with the mold core 26 is arranged on the box body lower mold base 25, a box body positioning column is arranged at the bottom of the box body upper mold base 24, and a box body positioning slot matched with the box body positioning column is arranged on the box body lower mold base 25;

the cover body die comprises a slide rail 1 and a slide seat 2 connected to the bottom of the slide rail 1 in a sliding manner, a mounting plate 3 transversely arranged is fixedly mounted at the bottom of the slide seat 2, the bottom of the mounting plate 3 is connected with a cover body upper die base 13 through a lifting mechanism, a cover body lower die base 15 is arranged under the upper die base 13, four cover body positioning columns 14 are uniformly mounted at four corners of the bottom of the cover body upper die base 13, four cover body positioning slots 16 are formed by respectively matching and setting the four cover body positioning columns 14 on the upper surface of the cover body lower die base 15, a convex module 20 is arranged in each cover body positioning slot 16, the convex module 20 is formed by a plurality of box blocks 22 together, and a gap.

The lifting mechanism comprises two supports 4 symmetrically arranged at the bottom of the mounting plate 3, a rotating shaft 5 transversely arranged is inserted between the two supports 4, a servo motor 9 is fixedly arranged at the bottom of the mounting plate 3, the output end of the servo motor 9 is fixedly connected with the right end of the rotating shaft 5, two rotating rollers 6 are symmetrically and fixedly sleeved on the rotating shaft 5, steel wire ropes 7 are wound on the two rotating rollers 6, and suckers 8 are fixedly connected with the lower ends of the two steel wire ropes 7.

An air pump 10 is installed on the front side of the mounting plate 3, two air ducts 11 are fixedly connected to the output end of the air pump 10, and one ends, far away from the air pump 10, of the two air ducts 11 are respectively communicated with the insides of the two suckers 8.

The middle position of the bottom of the lower cover die holder 15 is provided with a gas blowing valve 18, a plurality of gas blowing holes 19 communicated with the gas blowing valve 18 are formed in the lower cover die holder 15 along the edge of the convex module 20, the middle position of the top of the upper cover die holder 13 is provided with an injection molding port 12, and the bottom of the lower cover die holder 15 is provided with a supporting leg 17.

As shown in fig. 4, four nylon mold openers 23 and counter bores 151 for fixing the nylon mold openers 23 are arranged at the outer edge of the lower cover mold base 15, and the upper cover mold base 13 is provided with a hinge hole 131 adapted to the nylon mold openers 23; the nylon mold opener 23 is composed of a bolt 231 and a nylon bolt 232 sleeved outside the bolt 231.

The utility model provides an among the plastics case mould, laminate two sucking discs 8 on lid upper die base 13, work through air pump 10 is with two sucking discs 8 interior evacuation, just can realize through the fixed action of two sucking discs 8 to lid upper die base 13, later drive pivot 5 through the switch of opening servo motor 9 and rotate and just can realize carrying to lid upper die base 13 and carry, slide 2 slides on slide rail 1 and has further improved the removal ability of equipment to lid upper die base 13, made things convenient for and carried lid upper die base 13 and drawn to the injection mold operating procedure that lid lower die base 15 is covered directly over again, therefore, the clothes hanger is strong in practicability.

Of course, the person skilled in the art can also easily derive a scheme that the lifting mechanism of the cover body mold is arranged on the box body mold, and the design of the air blowing valve in the cover body mold is used in the box body mold.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The plastic box mold comprises a box body mold and a cover body mold, and is characterized in that the cover body mold comprises a sliding rail (1) and a sliding seat (2) connected to the bottom of the sliding rail (1) in a sliding manner, a transversely arranged mounting plate (3) is fixedly mounted at the bottom of the sliding seat (2), the bottom of the mounting plate (3) is connected with a cover body upper mold base (13) through a lifting mechanism, a cover body lower mold base (15) is arranged under the upper mold base (13), four cover body positioning columns (14) are uniformly mounted at four corners of the bottom of the cover body upper mold base (13), four cover body positioning slots (16) are formed in the upper surface of the cover body lower mold base (15) and are respectively matched with the four cover body positioning columns (14) in arrangement, a convex module (20) is arranged in the cover body positioning slots (16), and the convex module (20) is formed by a plurality, and a gap (21) exists between each box block (22).

2. The plastic box mold as claimed in claim 1, wherein the lifting mechanism comprises two brackets (4) symmetrically installed at the bottom of the mounting plate (3), a transversely-arranged rotating shaft (5) is inserted between the two brackets (4), a servo motor (9) is fixedly installed at the bottom of the mounting plate (3), the output end of the servo motor (9) is fixedly connected with the right end of the rotating shaft (5), the rotating shaft (5) is symmetrically and fixedly sleeved with two rotating rollers (6), the two rotating rollers (6) are wound and connected with a steel wire rope (7), and the lower ends of the steel wire rope (7) are fixedly connected with suckers (8).

3. The plastic box mold as recited in claim 2, wherein an air pump (10) is installed at the front side of the mounting plate (3), two air pipes (11) are fixedly connected to the output end of the air pump (10), and one ends of the two air pipes (11) far away from the air pump (10) are respectively communicated with the insides of the two suckers (8).

4. The plastic box mold as recited in claim 1, wherein an air blowing valve (18) is installed at the bottom center of the lower mold base (15) of the cover body, and a plurality of air blowing holes (19) communicated with the air blowing valve (18) are formed in the lower mold base (15) of the cover body along the edge of the convex module (20).

5. A plastic tank mould according to claim 1, characterized in that an injection opening (12) is provided at a top central position of the lid upper mould base (13).

6. A plastic tank mould according to claim 1, characterised in that the lower mould cover holder (15) is fitted at its bottom with legs (17).

7. The plastic box mold as recited in claim 1, further comprising an upper box mold base (24) and a lower box mold base (25), wherein the mold core (26) is disposed at the bottom of the upper box mold base (24), the lower box mold base (25) is provided with a box forming cavity (27) matched with the mold core (26), the upper box mold base (24) is provided with a box positioning column (28), and the lower box mold base (25) is provided with a box positioning slot (29) matched with the box positioning column.

8. The plastic box mold as recited in claim 7, characterized in that a nylon mold opener (23) and a counter bore (151) for fixing the nylon mold opener (23) are respectively disposed on the outer edge of the lower cover mold base (15) and the outer edge of the lower box mold base (25).

9. The plastic box mold as claimed in claim 8, wherein the cover upper mold base (13) and the box upper mold base (24) are respectively provided with a hinge hole (131) adapted to the nylon mold opener (23).

10. The plastic box mold as recited in claim 8 or 9, wherein the nylon mold opener (23) is composed of a bolt (231) and a nylon bolt (232) sleeved outside the bolt (231).