CN219169381U

CN219169381U - Cup cover expansion die

Info

Publication number: CN219169381U
Application number: CN202223247634.6U
Authority: CN
Inventors: 赵洪; 彭顺胜; 吕华福; 吴军; 朱兵舰; 谢建飞
Original assignee: Zhejiang Feijian Industry & Trade Co ltd
Current assignee: Zhejiang Feijian Industry & Trade Co ltd
Priority date: 2022-12-05
Filing date: 2022-12-05
Publication date: 2023-06-13
Anticipated expiration: 2032-12-05

Abstract

The utility model discloses a cup cover expansion mould which comprises an expansion upper mould, an expansion lower mould and a male mould, wherein an expansion cavity is formed by encircling the expansion upper mould and the expansion lower mould, one end of the male mould extends into the expansion cavity, and the end of the male mould extending into the expansion cavity is matched with the caliber of a second base material. The shape of the kettle cover in the expansion mode can be limited by the expansion cavity, and the formed kettle cover is convenient to demould by adopting the mode of matching the expansion upper die and the expansion lower die.

Description

Cup cover expansion die

Technical Field

The utility model relates to a cup mold, in particular to a cup cover expansion mold.

Background

In the case of processing a lid, a stretching method is generally used to process the lid, but the stretching method is not suitable for processing a lid having a narrow mouth and a wide middle structure, for example, of a special-shaped lid; and because the height of the kettle cover is smaller, the traditional water expansion method is not well suitable for processing the kettle cover. Therefore, there is an inconvenience in processing the special shape of the pot lid, and improvement is required.

Disclosure of Invention

Aiming at the defects that the processing mode of stretching or water expansion molding cannot be well applied in the prior art, inconvenience exists when the kettle cover is processed in a special shape, and the like, the utility model provides a novel cup cover expansion mold.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model provides a bowl cover expansion mould, includes mould, expansion lower mould, terrace die on the expansion, mould, expansion lower mould surround and form the inflation die cavity on the expansion, the one end of terrace die stretches into in the inflation die cavity, the terrace die stretches into the one end of inflation die cavity with the bore looks adaptation of second substrate.

The shape of the kettle cover in the expansion mode can be limited by the expansion cavity, and the formed kettle cover is convenient to demould by adopting the mode of matching the expansion upper die and the expansion lower die.

Preferably, in the cup cover expansion mold, an extrusion block is disposed at an end portion of the male mold extending into one end of the expansion cavity, and the extrusion block is made of elastic materials.

The extrusion piece provides an outward support on the inner side of the kettle cover in the process that the kettle cover is extruded and formed, so that the kettle cover is fully attached to the inner wall of the expansion cavity, the stress of the kettle cover is uniform, and the thickness of a processed kettle cover product is uniform.

Preferably, in the cup cover expansion mold, the extruded block material is preferably high-strength glue.

The extrusion block is made of the high-strength adhesive, the high-strength adhesive has good elasticity and strong plasticity, the outer surface of the finally formed kettle cover is smooth, the adverse effects of wrinkling of the outer surface, moire and the like are eliminated, when the high-strength adhesive is compressed, the outer surface rubs with the inner surface of a product, the high-strength adhesive is continuously pressed, friction force on the inner surface of the product has the effect of pushing the product to move downwards, and the friction force has the effect of increasing the expansion coefficient of the product and reducing the risk of cracking in the expansion process.

Preferably, the expansion-type die for the cup cover comprises an upper die plate and a female die plate, wherein the female die plate is connected to the upper die plate, and a first arc-shaped groove is formed in the female die plate.

The upper die plate is used as a part connected with external punching equipment, and the female die plate is fixed at the same time; the first arc-shaped groove on the concave template is used as a part of the expansion cavity, so that the upper end of the final formed pot cover finished product has a specific arc-shaped structure.

Preferably, the above-mentioned bowl cover expanding mold, the expanding lower mold includes the die holder, increases the pole, takes off material fixed plate, terrace die pipe position, the terrace die includes terrace die body, stopper, spring, the stopper is fixed on the die holder, it is in to increase the pole setting the outside of stopper, it connects to increase pole one end the die holder, the other end is connected take off material fixed plate, it is located to take off the material fixed plate the top of stopper, be provided with terrace die passageway, second arc wall, terrace die upper limit boss on the terrace die pipe position, the second arc wall surrounds with first arc wall and forms the expanding cavity, be provided with belleville shaped spacing portion on the terrace die body, the upper end of terrace die body is in terrace die passageway internal activity, spacing portion with terrace die upper limit boss cooperation, the lower extreme of terrace die body with stopper swing joint, the both ends of spring respectively with terrace die body and stopper are inconsistent.

The die holder is used as the base of the expansion lower die and the male die, the expansion lower die and the male die are fixed, the male die body moves in the male die pipe under the action of the limiting block and the spring, the upper limit boss of the male die cooperates with the limiting part to limit the upper limit of the movement of the male die body, the limiting block limits the lower limit of the movement of the male die body, the male die body can automatically stretch out and draw back in a male die channel, and the spring can buffer in the processing process, so that the damage to products caused by overlarge impact force is avoided, and meanwhile, the male die body can be reset.

Preferably, in the cup cover expansion die, a guide groove is formed at a joint of the limiting block and the male die body, and the lower end of the male die body is movably connected with the guide groove.

The guide groove further limits the movement of the male die body, and after being matched with the male die channel to limit the upper end and the lower end of the male die body respectively, the male die body can move stably.

Preferably, the above-mentioned bowl cover expanding mold, the terrace die still includes takes off the flitch, take off the flitch and be annular, take off be provided with on the flitch with stopper size looks adaptation's through-hole, take off the lower extreme of flitch and connect the lathe ejector pin, take off the flitch and receive the lathe ejector pin control to follow the periphery of stopper is elevating movement, the upper end of taking off the flitch is provided with the bulge loop, the bulge loop sets up take off the edge of flitch inner ring and with spacing portion cooperation.

The stripper plate is connected with the machine tool ejector rod, and the machine tool ejector rod can control the height of the stripper plate, so that the lower limit of the movement of the male die body is controlled, the downward movement range of the male die body is adjustable, and the final formed kettle cover height is more accurate.

Drawings

FIG. 1 is a schematic diagram of an expansion die according to the present utility model;

FIG. 2 is a schematic diagram of a second expansion die according to the present utility model;

FIG. 3 is a cross-sectional view of an upper and lower inflatable mold of the present utility model;

FIG. 4 is a cross-sectional view of the expansion die of the present utility model prior to operation;

FIG. 5 is a cross-sectional view of the expansion die of the present utility model in operation.

Detailed Description

The utility model is described in further detail below in connection with figures 1-5 and the detailed description, which are not intended to limit the utility model:

example 1

The utility model provides a bowl cover expansion mould, includes expansion upper die 21, expansion lower die 22, terrace die 23, expansion upper die 21, expansion lower die 22 surround and form expansion die cavity 24, the one end of terrace die 23 stretches into in the expansion die cavity 24, the terrace die 23 stretches into expansion die cavity 24's one end with the bore looks adaptation of second substrate.

Preferably, an extrusion block 231 is disposed at an end of the male die 23 extending into the expansion cavity 24, and the extrusion block 231 is made of an elastic material.

Preferably, the extrusion block 231 is made of a high-strength glue.

Preferably, the expansion-type upper die 21 comprises an upper die plate 211 and a female die plate 212, wherein the female die plate 212 is connected to the upper die plate 211, and a first arc-shaped groove 213 is arranged on the female die plate 212.

Preferably, the lower expansion die 22 includes a lower die holder 221, an elevating rod 222, a stripping fixing plate 223, and a male die tube 224, the male die 23 includes a male die body 232, a limiting block 233, and a spring 234, the limiting block 233 is fixed on the lower die holder 221, the elevating rod 222 is disposed on the outer side of the limiting block 233, one end of the elevating rod 222 is connected with the lower die holder 221, the other end of the elevating rod 222 is connected with the stripping fixing plate 223, the stripping fixing plate 223 is disposed above the limiting block 233, a male die channel 225, a second arc-shaped groove 226, and a male die upper limit boss 227 are disposed on the male die tube 224, the second arc-shaped groove 226 and the first arc-shaped groove 213 surround to form the expansion cavity 24, a disc-shaped limiting portion 238 is disposed on the male die body 232, the upper end of the male die body 232 moves in the male die channel 225, the limiting portion 238 is matched with the male die upper limit boss 227, the lower end of the male die body 232 is movably connected with the limiting block 233, and two ends of the spring 234 are respectively abutted against the male die body 232 and the limiting block 233.

Preferably, a guide groove 235 is provided at the connection between the stopper 233 and the punch body 232, and the lower end of the punch body 232 is movably connected with the guide groove 235.

Preferably, the male die 23 further includes a stripper plate 236, the stripper plate 236 is annular, a through hole adapted to the size of the limiting block 233 is provided on the stripper plate 236, a machine tool ejector rod is connected to the lower end of the stripper plate 236, the stripper plate 236 is controlled by the machine tool ejector rod to perform lifting motion along the periphery of the limiting block 233, a convex ring 237 is provided at the upper end of the stripper plate 236, and the convex ring 237 is provided at the edge of the inner ring of the stripper plate 236 and is matched with the limiting portion 238.

In summary, the foregoing description is only of the preferred embodiments of the present utility model, and all equivalent changes and modifications that come within the scope of the present utility model are desired to be covered thereby.

Claims

1. The utility model provides a bowl cover bulge mould, includes bulge upper die (21), bulge lower die (22), terrace die (23), its characterized in that: the upper expansion die (21) and the lower expansion die (22) are surrounded to form an expansion die cavity (24), one end of the male die (23) stretches into the expansion die cavity (24), and one end of the male die (23) stretches into the expansion die cavity (24) to be matched with the caliber of the second base material.

2. The lid bulge-forming mold according to claim 1, wherein: the end part of one end of the male die (23) extending into the expansion cavity (24) is provided with an extrusion block (231), and the extrusion block (231) is made of elastic materials.

3. The lid bulge-forming mold of claim 2, wherein: the extrusion block (231) is made of high-strength glue.

4. A cap bulge mould according to claim 3, wherein: the expansion-type upper die (21) comprises an upper die plate (211) and a female die plate (212), wherein the female die plate (212) is connected to the upper die plate (211), and a first arc-shaped groove (213) is formed in the female die plate (212).

5. The lid bulge-forming die of claim 4, wherein: the expanding lower die (22) comprises a lower die holder (221), an heightening rod (222), a stripping fixed plate (223) and a male die pipe position (224), the male die (23) comprises a male die body (232), a limiting block (233) and a spring (234), the limiting block (233) is fixed on the lower die holder (221), the heightening rod (222) is arranged on the outer side of the limiting block (233), one end of the heightening rod (222) is connected with the lower die holder (221), the other end of the heightening rod is connected with the stripping fixed plate (223), the stripping fixed plate (223) is positioned above the limiting block (233), a male die channel (225), a second arc-shaped groove (226) and a male die upper limit boss (227) are arranged on the male die pipe position (224), the second arc-shaped groove (226) and the first arc-shaped groove (213) are encircled to form the expanding die cavity (24), a limiting part (238) is arranged on the male die body (232), the upper end of the male die body (232) is movably arranged in the channel (225), the limiting part (238) is matched with the upper limit boss (233) and the movable end of the male die body (232), both ends of the spring (234) are respectively abutted against the male die body (232) and the limiting block (233).

6. The lid bulge-forming die of claim 5, wherein: the limiting block (233) is provided with a guide groove (235) at the joint of the male die body (232), and the lower end of the male die body (232) is movably connected with the guide groove (235).

7. The lid bulge-forming die of claim 6, wherein: the male die (23) further comprises a stripper plate (236), the stripper plate (236) is annular, a through hole matched with the limit block (233) in size is formed in the stripper plate (236), the lower end of the stripper plate (236) is connected with a machine tool ejector rod, the stripper plate (236) is controlled by the machine tool ejector rod to move up and down along the periphery of the limit block (233), a convex ring (237) is arranged at the upper end of the stripper plate (236), and the convex ring (237) is arranged at the edge of the inner ring of the stripper plate (236) and is matched with the limit part (238).