CN220763217U

CN220763217U - Mould convenient to drawing of patterns

Info

Publication number: CN220763217U
Application number: CN202322191821.5U
Authority: CN
Inventors: 杨亮; 张顺喆
Original assignee: Langfang Heteng Auto Parts Co ltd
Current assignee: Langfang Heteng Auto Parts Co ltd
Priority date: 2023-08-15
Filing date: 2023-08-15
Publication date: 2024-04-12
Anticipated expiration: 2033-08-15

Abstract

The utility model discloses a mould convenient for demoulding, which comprises; the lower die holder is fixedly provided with a lower die, the lower die is provided with a protruding part, the protruding part is provided with a groove, the lower die is provided with an upper die, the upper die is provided with a feed hopper, and the bottom of the upper die is provided with a concave part; the driving structure is fixedly provided with a push rod, a top plate is fixedly arranged on the push rod, and the top plate is arranged in a groove of the lower die holder. The transmission structure comprises a driving gear, transition gears are arranged on two sides of the driving gear, and driven gears are arranged on one sides of the transition gears. The insert is formed at the bottom of the top plate integrally and is positioned in the groove. The bottom of the top plate is fixedly provided with a bearing which is fixedly arranged on the ejector rod. Through installing the inserted block on the roof, can effectively solve ejector pin and the phenomenon of work piece surface contact scratch work piece when ejecting the work piece to the contact surface of inserted block is bigger, can reduce the rocking that takes place in-process of ejecting the work piece.

Description

Mould convenient to drawing of patterns

Technical Field

The utility model relates to the technical field of dies, in particular to a die convenient to demold.

Background

The mould is used for various moulds and tools for injection molding, blow molding, extrusion, die casting or forging, smelting, stamping and other methods to obtain the required products in industrial production, wherein the car lamp mould is used for manufacturing car lamps.

The Chinese patent with publication number CN207224389U discloses a car lamp mold, which comprises an upper mold and a lower mold matched with the upper mold for use, and is characterized in that the upper mold comprises an upper mold base and a first female mold arranged in a cavity of the upper mold base; the first female die is connected with the upper die holder through a detachable connecting device; the lower die comprises a lower die base and a second female die arranged on the lower die base, and a cavity is arranged in the center of the second female die; and the top surface of the second female die outside the cavity is detachably connected with a grinding device.

The beneficial effects of the car lamp die are that: the upper die is divided into two parts, namely the upper die base and the female die, and the upper die base and the female die are connected in a detachable mode, so that the upper die base and the female die can be made of different materials, and the female die is convenient to replace a new female die after being worn after being used for a long time, thereby saving production cost; by arranging the grinding device, the periphery of the formed die is ground conveniently, and the smooth transition of the surface is improved.

The existing car lamp die generally releases the workpiece from the lower die through the ejector rod on the lower die after the workpiece is machined, and the ejector rod contacts with the surface of the workpiece when ejecting the workpiece, so that the workpiece is easy to scratch, and in addition, the workpiece is also rocked in the process of ejecting the workpiece.

Disclosure of Invention

The utility model aims to provide a mould convenient for demoulding so as to solve the problems in the prior art.

In order to achieve the above purpose, the main technical scheme adopted by the utility model comprises the following steps:

a mould facilitating demoulding: the lower die holder is fixedly provided with a lower die, the lower die is provided with a protruding part, the protruding part is provided with a groove, the lower die is provided with an upper die, the upper die is provided with a feed hopper, and the bottom of the upper die is provided with a concave part;

the device comprises a transmission structure, wherein a push rod is fixedly arranged on the transmission structure, a top plate is fixedly arranged on the push rod, and the top plate is arranged in a groove of a lower die holder.

As a preferable technical scheme of the utility model, the transmission structure comprises a driving gear, transition gears are arranged on two sides of the driving gear, and driven gears are arranged on one side of the transition gears.

As a preferable technical scheme of the utility model, a bearing is fixedly arranged at the bottom of the top plate, and the bearing is fixedly arranged on the ejector rod.

As a preferable technical scheme of the utility model, the bottom of the top plate is integrally formed with the insert block, and the insert block is positioned in the groove.

As a preferable technical scheme of the utility model, the top plate is a polyurethane rubber block.

As a preferable technical scheme of the utility model, a plurality of second guide rods are uniformly distributed on the periphery of the upper die.

As a preferable technical scheme of the utility model, a plurality of first guide rods are uniformly distributed on the periphery of the lower die.

The utility model has at least the following beneficial effects:

through installing the inserted block on the roof, can effectively solve ejector pin and the phenomenon of scraping the colored work piece with the work piece surface contact when ejecting the work piece to the contact surface of inserted block is bigger, can reduce the rocking that takes place in-process of ejecting the work piece.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:

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

FIG. 2 is a schematic cross-sectional view of FIG. 1 according to the present utility model;

fig. 3 is a schematic top view of the transmission structure of the present utility model.

Reference numerals illustrate:

100. a lower die holder; 200. a lower die; 201. a first guide bar; 202. a groove; 300. a protruding portion; 400. an upper die; 401. a recessed portion; 410. a second guide bar; 420. a feed hopper; 500. a transmission structure; 510. a drive gear; 520. a transition gear; 530. a driven gear; 540. a push rod; 550. a top plate; 551. a bearing; 552. and (5) inserting blocks.

Detailed Description

The embodiments of the present application will be described in detail below with reference to the accompanying drawings and examples, so that the implementation process of how the technical means are applied to solve the technical problems and achieve the technical effects of the present application can be fully understood and implemented accordingly.

Example 1

The utility model provides a mold convenient for demolding, as shown in FIG. 1, comprising: the die holder 100 and transmission structure 500, the installation mode of die holder 100: the lower die holder 100 is fixedly provided with a lower die 200, the lower die 200 is provided with a protruding part 300, the protruding part 300 is provided with a groove 202, the lower die 200 is provided with an upper die 400, the upper die 400 is provided with a feed hopper 420, and the bottom of the upper die 400 is provided with a concave part 401.

Referring to fig. 1, the transmission structure 500 is installed in the following manner: the driving structure 500 is fixedly provided with a top rod 540, the top rod 540 is fixedly provided with a top plate 550, and the top plate 550 is arranged in the groove 202 of the lower die holder 100.

Referring to fig. 1-3, the transmission structure 500 includes a driving gear 510, two sides of the driving gear 510 are provided with a transition gear 520, one side of the transition gear 520 is provided with a driven gear 530, a plurality of ejector rods 540 are made to rotate simultaneously through gear transmission, the ejector rods are controlled to eject a workpiece, a bearing 551 is fixedly installed at the bottom of a top plate 550, the bearing 551 is fixedly installed on the ejector rods 540, an insert 552 is integrally formed at the bottom of the top plate 550, the insert 552 is located in a groove 202, the guidance quality is increased, the ejector rods 540 and the top plate 550 are enabled to reduce shaking, the top plate 550 is a polyurethane rubber block and can further prevent the scratching workpiece, a plurality of second guide rods 410 are uniformly distributed on the periphery of the upper die 400, a plurality of first guide rods 201 are uniformly distributed on the periphery of the lower die 200, and the guidance quality of the lower die 200 and the upper die 400 is enhanced through the second guide rods 410 and the first guide rods 201.

The working principle of the utility model is as follows: the driving gear 510, the driven gear 530, and the transition gear 520 are all located on a carrier. Meshing with each other by providing a carrier to hold the driving gear 510, the driven gear 530, and the transition gear 520; the drive gear 510, driven gear 530, and transition gear 520 are tangential to the carrier.

The driving gear 510 is used for driving the driven gears 530 on two sides to rotate together through the transition gear 520, and the three ejector rods 540 rotate together to push the top plate 550 so as to eject the workpiece from the lower die 200.

The utility model is not described in terms of mechanisms, and is well known to those skilled in the art.

While the foregoing description illustrates and describes the preferred embodiments of the present utility model, it is to be understood that the utility model is not limited to the forms disclosed herein, but is not to be construed as limited to other embodiments, and is capable of numerous other combinations, modifications and environments and is capable of changes or modifications within the scope of the inventive concept, either as a result of the foregoing teachings or as a result of the knowledge or skills of the relevant art. And that modifications and variations which do not depart from the spirit and scope of the utility model are intended to be within the scope of the appended claims.

Claims

1. A mold facilitating demolding, comprising:

the die comprises a lower die holder (100), wherein a lower die (200) is fixedly arranged on the lower die holder (100), a protruding part (300) is arranged on the lower die (200), a groove (202) is formed in the protruding part (300), an upper die (400) is arranged on the lower die (200), a feeding hopper (420) is formed in the upper die (400), and a concave part (401) is formed in the bottom of the upper die (400);

the device comprises a transmission structure (500), wherein a push rod (540) is fixedly installed on the transmission structure (500), a top plate (550) is fixedly installed on the push rod (540), and the top plate (550) is arranged in a groove (202) of a lower die holder (100).

2. A mold for facilitating demolding as claimed in claim 1, wherein: the transmission structure (500) comprises a driving gear (510), transition gears (520) are arranged on two sides of the driving gear (510), driven gears (530) are arranged on one sides of the transition gears (520), and ejector rods (540) are fixedly arranged on the driving gear (510) and the driven gears (530).

3. A mold for facilitating demolding as claimed in claim 1, wherein: the bottom of the top plate (550) is fixedly provided with a bearing (551), and the bearing (551) is fixedly arranged on the ejector rod (540).

4. A mold for facilitating demolding as claimed in claim 3, wherein: the bottom of the top plate (550) is integrally formed with an insert (552), and the insert (552) is positioned in the groove (202).

5. A mold for facilitating demolding as claimed in claim 3, wherein: the top plate (550) is a polyurethane rubber block.

6. A mold for facilitating demolding as claimed in claim 1, wherein: a plurality of second guide rods (410) are uniformly distributed on the periphery of the upper die (400).

7. A mold for facilitating demolding as claimed in claim 1, wherein: a plurality of first guide rods (201) are uniformly distributed on the periphery of the lower die (200).