CN210082217U

CN210082217U - Disposable bowl mold ejector

Info

Publication number: CN210082217U
Application number: CN201920846906.3U
Authority: CN
Inventors: 周培峰
Original assignee: Tianjin Zhengjin Environmental Protection Technology Co Ltd
Current assignee: Tianjin Zhengjin Environmental Protection Technology Co Ltd
Priority date: 2019-06-06
Filing date: 2019-06-06
Publication date: 2020-02-18
Anticipated expiration: 2029-06-06

Abstract

The utility model provides a disposable bowl mould liftout piece, includes lug, bottom plate, outer loop, its characterized in that, the lug is located the bottom plate top, bottom plate and lug cambered surface outside cover have the outer loop, the outer loop cambered surface outside is equipped with a plurality of gas pockets, gas pocket align to grid is around outer loop cambered surface round, bottom plate bottom surface center is equipped with main through-hole, the bottom plate bottom surface is equipped with a plurality of vice through-holes. The beneficial effects are as follows: the novel ejection mechanism is ejected out during die opening, so that ejection area is increased, product deformation caused by uneven stress in the ejection process is prevented, material utilization rate is increased, and the production efficiency is higher.

Description

Disposable bowl mold ejector

Technical Field

The utility model relates to a disposable tableware field of making, especially a disposable bowl mould liftout piece.

Background

In daily disposable bowl processing, materials are molded and then ejected out, and due to the fact that tension exists between a plastic part and a mold cavity and the wall of the disposable bowl is thin, the disposable bowl is frequently scrapped due to product deformity caused by uneven stress during ejection, resources are wasted, and time is consumed.

Disclosure of Invention

The utility model aims at solving the above problem, designed a disposable bowl mould liftout piece, concrete design is:

the utility model provides a disposable bowl mould liftout piece, includes lug, bottom plate, outer loop, the lug is located the bottom plate top, lug and bottom plate rely on the screw connection, bottom plate and lug outside cover have the outer loop, bottom plate, lug and outer loop interference are connected, the outer loop cambered surface outside is equipped with a plurality of gas pockets, gas pocket align to grid is around outer loop cambered surface round, bottom plate bottom surface center is equipped with main through-hole, the bottom plate bottom surface is equipped with a plurality of vice through-holes. The plurality of auxiliary through holes are uniformly and annularly arranged on the bottom surface around the center of the bottom surface.

The convex block is of a columnar step structure and is composed of a plurality of coaxial cylinders, the coaxial cylinders are one-step casting forming mechanisms, the innermost cylinder of the convex block is the highest, and the heights of other cylinders are gradually reduced outwards.

The top of the outer ring is of an arc-shaped structure, and the outer side of the arc-shaped structure is higher than the inner side of the arc-shaped structure. The axial section of the top of the outer ring is arc-edge triangle.

The center of the bottom surface of the convex block is provided with a thread groove, the bottom surface of the convex block is provided with a plurality of grooves, the thread groove is coupled with the main through hole of the bottom plate, and the grooves are coupled with the auxiliary through hole of the bottom plate.

The bottom surface of the outer ring is higher than that of the bottom plate.

Through the utility model discloses an above-mentioned technical scheme obtains a disposable bowl mould liftout piece, its beneficial effect is:

when the mold is opened, the ejection piece of the disposable bowl mold is ejected, so that the ejection area is increased, the product deformation caused by uneven stress in the ejection process is prevented, the material utilization rate is increased, and the production efficiency is higher.

Drawings

Fig. 1 is a schematic view of a projection structure of a disposable bowl mold ejector according to the present invention;

FIG. 2 is a schematic view of the bottom plate structure of the disposable bowl mold ejector of the present invention;

FIG. 3 is a schematic view of an outer ring structure of the disposable bowl mold ejector of the present invention;

FIG. 4 is a schematic structural view of the disposable bowl mold ejector of the present invention installed in the lower mold;

FIG. 5 is a schematic view of the structure of the disposable bowl mold ejector of the present invention mounted to a mold and connected to a machine tool;

FIG. 6 is a schematic structural view of a conventional push block mounted on a machine tool;

in the figure, 1, a bump; 1a, a thread groove; 1b, a groove; 2. a base plate; 2a, main through holes; 2b, auxiliary through holes; 3. an outer ring; 3a, air holes; 4. a top rod; 5. an upper die; 6. a lower die; 7. a cutter; 8. a core; 9. a push block; 10. a fixed table; 11. a lifting platform.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings

The utility model provides a disposable bowl mould liftout piece, includes lug 1, bottom plate 2, outer loop 3, lug 1 is located 2 tops of bottom plate, lug 1 relies on screw connection with bottom plate 2, bottom plate 2 has outer loop 3 with 1 cambered surface outside cover of lug, bottom plate 2, lug 1 are connected with 3 interference of outer loop, the 3 cambered surface outsides of outer loop are equipped with a plurality of

gas pockets

3a, 3a align to grid of gas pocket is around 3 cambered surface rounds of outer loop, 2 bottom surface centers of bottom plate are equipped with main through-

hole

2a, 2 bottom surfaces of bottom plate are equipped with a plurality of vice through-holes 2 b. The plurality of auxiliary through holes 2b are uniformly and annularly arranged on the bottom surface around the center of the bottom surface, the auxiliary through holes 2b are used for embedding screws, the screws are used for fixing the lug 1 and the bottom plate 2, and the screws are preferably but not limited to hexagon socket head cap screws.

The convex block 1 is of a columnar step structure, the convex block 1 is composed of a plurality of coaxial cylinders, the coaxial cylinders are one-step casting forming mechanisms, the innermost cylinder of the convex block 1 is the highest, and the heights of other cylinders are gradually reduced outwards.

The top of the outer ring 3 is an arc-shaped structure, and the outer side of the arc-shaped structure is higher than the inner side of the arc-shaped structure. The top radial section of the outer ring 3 is arc-edge triangle.

The center of the bottom surface of the lug 1 is provided with a thread groove 1a, the bottom surface of the lug 1 is provided with a plurality of grooves 1b, the thread groove 1a is coupled with a main through hole 2a of the bottom plate, and the grooves 1b are coupled with an auxiliary through hole 2b of the bottom plate. The screw is inserted into the lug groove 1b through the bottom plate auxiliary through hole 2b and is screwed down, and the lug 1 and the bottom plate 2 are fixed.

Example 1

Step 1, mounting a lower die 6 of a die on a machine tool fixing table 10, fixing an upper die 5 of the die on a press machine above the lower die 6 of the die at a certain distance, and calibrating the position to ensure accurate alignment during die assembly;

step 2, fixing the sheet material between the upper die 5 and the lower die 6 and ensuring that the sheet material can move between the upper die 5 and the lower die 6;

step 3, connecting one end of a mandril 4 with the lug 1 through threads, and enabling the other end of the mandril 4 to penetrate through a machine tool fixing table 10 and be connected with a machine tool lifting table 11;

step 4, pressing the upper die 5 of the die by a machine tool press;

step 5, the lower die 6 and the upper die 5 clamp the sheet material in the middle for fixing;

step 6, a cutter 7 positioned in the upper die 5 cuts the sheet material into a circle with a proper size;

step 7, extending out a mold core 8 positioned in the upper mold 5, and pressing the sheet material into a cavity of the lower mold 6;

step 8, exhausting gas in the die cavity from the outer ring air hole 3a through a gap between the outer ring 3 and the bump 1;

step 9, after staying for a period of time, the mold core 8 is drawn out and reset;

step 10, the material stays in the cavity of the lower die 6 of the die due to the action of tension;

step 11, resetting the press machine of the machine tool to drive the upper die 5 of the die to move upwards;

step 12, the machine tool lifting table 11 moves upwards to drive the ejector rod 4 to move upwards together;

step 13, the ejector rod 4 drives the ejector piece to move upwards together;

step 14, ejecting the product by the outer ring 3 and the lug 1;

step 15, taking out the product by a mechanical arm;

step 16, the sheet material moves forwards;

and step 17, the lifting platform 11 moves downwards to drive the ejector rod 4 and the ejector piece to reset, and the previous steps 4-16 are repeated.

Example 2

Adopt the disposable bowl mould of traditional ejector pad to carry out the shaping material, its shaping step is:

step 3, connecting one end of a mandril 4 with the bottom end of a push block 9 through threads, and connecting the other end of the mandril 4 with a machine tool lifting table 11 after penetrating through a machine tool fixing table 10;

step 4, pressing the upper die 5 of the die by a machine tool press;

step 8, exhausting gas in the die cavity from a gap between the push block 9 and the lower die 6;

step 13, the ejector rod 4 drives the push block 9 to move upwards together;

step 14, ejecting the product by the pushing block 9;

step 15, taking out the product by a mechanical arm;

step 16, the sheet material moves forwards;

and step 17, the lifting platform 11 moves downwards to drive the ejector rod 4 and the push block 9 to reset, and the previous steps 4-16 are repeated.

Comparative example

Comparison of example 1 with example 1:

the main difference between embodiment 1 and embodiment 2 is that embodiment 1 uses the ejector to contact the lower surface of the product, and embodiment 2 uses the push block 9 to contact the lower surface of the product. Through comparison, the following results can be obtained: in the embodiment 2, the push block 9 is adopted to prop against the center of the bottom surface of the product, and in the process of pushing the product out, the bottom surface of the product is easy to deform and is inwards sunken to scrap due to the friction force between the outer wall of the product and the cavity and the thinness of the outer wall of the product; in the embodiment 1, the ejector is adopted to abut against the whole bottom surface of the product, the bottom surface is not deformed in the process of pushing the product out, and the demolding success rate is high.

Above-mentioned technical scheme has only embodied the utility model discloses technical scheme's preferred technical scheme, some changes that this technical field's technical personnel probably made to some parts wherein have all embodied the utility model discloses a principle belongs to within the protection scope of the utility model.

Claims

1. The disposable bowl die ejecting piece comprises a convex block [1], a bottom plate [2] and an outer ring [3], and is characterized in that the convex block [1] is positioned at the top of the bottom plate [2], the outer ring [3] is sleeved outside the bottom plate [2] and the cambered surface of the convex block [1], a plurality of air holes [3a ] are arranged outside the cambered surface of the outer ring [3], the air holes [3a ] are uniformly arranged around the cambered surface of the outer ring [3] for one circle, a main through hole [2a ] is arranged at the center of the bottom surface of the bottom plate [2], and a plurality of auxiliary through holes [2b ] are arranged at the bottom surface of the bottom.

2. The disposable bowl mold ejector according to claim 1, wherein the protrusion (1) has a thread groove (1 a) in the center of the bottom surface, and the bottom surface has a plurality of grooves (1 b).

3. The disposable bowl mold ejector according to claim 1, wherein the top of the outer ring (3) is of an arc-shaped configuration with a high outer side and a low inner side.

4. The disposable bowl mold ejector according to claim 2, wherein the protrusion [1] has a cylindrical step structure, the protrusion [1] is composed of a plurality of coaxial cylinders, the innermost cylinder of the protrusion [1] is the highest, and the heights of the other cylinders decrease gradually as the cylinders go outward.

5. A disposable bowl mold ejector according to claim 3, wherein the bottom surface of the outer ring (3) is higher than the bottom surface of the bottom plate (2).