CN212193911U

CN212193911U - Fragile cover forming tool

Info

Publication number: CN212193911U
Application number: CN202020760495.9U
Authority: CN
Inventors: 邓光辉; 王华权; 周萍; 黄蓉
Original assignee: Guizhou Aerospace Tianma Electrical Technology Co Ltd
Current assignee: Guizhou Aerospace Tianma Electrical Technology Co Ltd
Priority date: 2020-05-09
Filing date: 2020-05-09
Publication date: 2020-12-22
Anticipated expiration: 2030-05-09

Abstract

The utility model provides a forming tool for a fragile cover, which comprises a lower female die and an upper male die; the middle part of the lower female die is provided with a downward recess, the middle part of the upper male die is provided with a downward protrusion, the shape of the recess part of the lower female die is matched with that of the protrusion part of the upper male die, and the lower female die and the upper male die are overlapped in vertical projection; a fixed rod is movably connected on the upper male die; the upper male die is arranged on the peripheral die, the peripheral die is positioned between the lower female die and the upper male die and is fixed on the lower female die, and the fixing rod locks the upper male die on the peripheral die. The utility model has the advantages of convenient and rapid accurate positioning, die assembly locking and die sinking unlocking; the redundant foaming melt can be smoothly discharged and carbonized, and the foaming quality and the appearance of the product are not influenced; the adaptability to foaming products with different thickness specifications is strong.

Description

Fragile cover forming tool

Technical Field

The utility model relates to a breakable lid shaping frock.

Background

The conventional gas-heated foaming technology is an injection molding technology in which a gas in a critical state is injected into a heated melt in a molding machine to generate tiny pores in the molten material. Although the method is widely applied to the field of civil commercial manufacturing at present, the method is greatly influenced by the thermal expansion change of bubbles in a molten mass and only can be suitable for hot-air foaming forming of thin-wall plastic products.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a breakable lid shaping frock, this breakable lid shaping frock can effectively solve in the aspect of compound die location locking and the die sinking unblock swift, can adapt to the breakable lid product scheduling problem of many thickness specifications.

The utility model discloses a following technical scheme can realize.

The utility model provides a fragile cover forming tool, which comprises a lower female die and an upper male die; the middle part of the lower female die is provided with a downward recess, the middle part of the upper male die is provided with a downward protrusion, the shape of the recess part of the lower female die is matched with that of the protrusion part of the upper male die, and the lower female die and the upper male die are overlapped in vertical projection; a fixed rod is movably connected on the upper male die; the upper male die is arranged on the peripheral die, the peripheral die is positioned between the lower female die and the upper male die and is fixed on the lower female die, and the fixing rod locks the upper male die on the peripheral die.

And an adaptive mold is arranged between the peripheral mold and the lower concave mold, and the adaptive mold and the peripheral mold are connected with the frame.

The upper male die is provided with a plurality of vertical through holes as drain holes.

The upper male die is provided with a through hole, a guide sleeve is arranged in the through hole, the top surface of the peripheral die is provided with a blind hole, a positioning taper pin is arranged in the blind hole, and the upper end of the positioning taper pin is arranged in the guide sleeve.

The fixed rod comprises a screw rod and a handle, the screw rod penetrates through the upper male die and is fixed in the peripheral die, the handle is sleeved on the upper portion of the screw rod, and the lower end of the screw rod is provided with a conical head thread.

On the top surface of the upper male die, a baffle is fixed beside the screw.

And a lifting ring screw is fixed on the top surface of the upper male die.

And a lifting rod is arranged on the side surface of the lower female die.

The beneficial effects of the utility model reside in that: the accurate positioning, the die assembly locking and the die opening unlocking are convenient and quick; the redundant foaming melt can be smoothly discharged and carbonized, and the foaming quality and the appearance of the product are not influenced; the adaptability to foaming products with different thickness specifications is strong.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a top view of FIG. 1;

fig. 3 is a partially enlarged schematic view of the adaptive mode of fig. 1.

In the figure: 1-lifting rod, 2-peripheral die, 3-adaptive die, 4-lower female die, 5-fixing rod, 6-upper male die, 7-lifting bolt, 8-positioning taper pin, 9-guide sleeve, 10-screw, 11-baffle and 12-handle.

Detailed Description

The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.

The forming tool for the fragile cover shown in fig. 1 to 3 comprises a lower female die 4 and an upper male die 6; the middle part of the lower female die 4 is provided with a downward recess, the middle part of the upper male die 6 is provided with a downward protrusion, the shape of the recess of the lower female die 4 is matched with that of the protrusion of the upper male die 6, and the lower female die 4 and the upper male die 6 are overlapped in vertical projection; a fixed rod 5 is movably connected on the upper male die 6; the upper male die 6 is arranged on the peripheral die 2, the peripheral die 2 is positioned between the lower female die 4 and the upper male die 6 and is fixed on the lower female die 4, and the fixing rod 5 locks the upper male die 6 on the peripheral die 2.

A adapting die 3 is arranged between the peripheral die 2 and the lower concave die 4, and the adapting die 3 and the peripheral die 2 are connected with the frame.

The upper punch 6 is provided with a plurality of vertical through holes as drain holes.

The upper male die 6 is provided with a through hole, a guide sleeve 9 is arranged in the through hole, the top surface of the peripheral die 2 is provided with a blind hole, a positioning taper pin 8 is arranged in the blind hole, and the upper end of the positioning taper pin 8 is arranged in the guide sleeve 9.

The fixing rod 5 comprises a screw rod 10 and a handle 12, the screw rod 10 penetrates through the upper male die 6 to be fixed in the peripheral die 2, the handle 12 is sleeved on the upper portion of the screw rod 10, and the lower end of the screw rod 10 is provided with a conical head thread.

On the top face of the upper punch 6, a baffle 11 is fixed beside the screw 10.

And a lifting ring screw 7 is fixed on the top surface of the upper male die 6.

The side surface of the lower concave die 4 is provided with a suspender 1.

The utility model discloses the use in production does: selecting adaptive dies 3 with corresponding specification and quantity according to the thickness requirement of a product, and fixing the adaptive dies 3, the lower concave die 4 and the peripheral die 2 into a whole; quantitatively calculating and checking by using a special vessel, and quickly injecting the amount of the composite organic melt into the cavity of the lower female die 4; the upper male die 6 is quickly lifted, so that the guide sleeve 9 on the upper male die is quickly aligned to the positioning taper pin 8 on the lower female die 4; a screw 10 connected with the upper male die 6 is quickly pressed downwards, and a handle 12 is quickly pulled to tightly connect the upper male die 6 and the lower male die 4; hanging a suspender 1 to send the whole of the material injection rear mould into a heating box for heating and foaming; and taking out the foaming mold after the specified thermal foaming time is reached, cooling to normal temperature, pulling the handle 12, hanging the upper male mold 6 away, taking out the foamed fragile cover product from the lower female mold 4, and finishing the working process.

Generally, the adaptive die 3 has various different thickness specifications such as 1mm, 2mm, 5mm and the like, and the adaptive die (3) with corresponding thickness is selected to be overlapped and combined together according to the different thickness specifications of the fragile cover so as to meet the requirements of different wall thickness specifications of the foaming product.

The injection amount of the melt is determined according to the volume of the product, the material expansion coefficient and the release coefficient of about 5 percent. In order to eliminate the influence of the excessive materials in the foaming process, a plurality of discharge holes on the upper male die 6 can ensure that the excessive melts can be squeezed out of the discharge holes and immediately carbonized at high temperature to disappear.

The whole lower die is complex in shape and high in processing difficulty, the lower die is divided into the lower female die 4 and the peripheral die 2 for facilitating processing and coordinating installation of the adaptive die 3, the lower die is fixedly connected through screws, the structure of the lower die is simplified step by step, and the problem that the whole lower die is difficult to process is solved.

Claims

1. The utility model provides a breakable lid shaping frock, includes lower die (4), cope match-plate pattern (6), its characterized in that: the middle part of the lower female die (4) is provided with a downward recess, the middle part of the upper male die (6) is provided with a downward protrusion, the shape of the recess part of the lower female die (4) is matched with that of the protrusion part of the upper male die (6), and the lower female die (4) and the upper male die (6) are overlapped on the vertical projection; a fixed rod (5) is movably connected on the upper male die (6); the upper male die (6) is arranged on the peripheral die (2), the peripheral die (2) is positioned between the lower female die (4) and the upper male die (6) and is fixed on the lower female die (4), and the upper male die (6) is locked on the peripheral die (2) by the fixing rod (5).

2. The tooling for forming the frangible cover of claim 1, wherein: and an adaptive die (3) is arranged between the peripheral die (2) and the lower concave die (4), and the adaptive die (3) and the peripheral die (2) are connected with the frame.

3. The tooling for forming the frangible cover of claim 1, wherein: the upper male die (6) is provided with a plurality of vertical through holes as drain holes.

4. The tooling for forming the frangible cover of claim 1, wherein: the upper male die (6) is provided with a through hole, a guide sleeve (9) is arranged in the through hole, the top surface of the peripheral die (2) is provided with a blind hole, a positioning taper pin (8) is arranged in the blind hole, and the upper end of the positioning taper pin (8) is arranged in the guide sleeve (9).

5. The tooling for forming the frangible cover of claim 1, wherein: the fixing rod (5) comprises a screw rod (10) and a handle (12), the screw rod (10) penetrates through the upper male die (6) to be fixed in the peripheral die (2), the handle (12) is sleeved on the upper portion of the screw rod (10), and the lower end of the screw rod (10) is provided with a conical head thread.

6. The tooling for forming the frangible cover of claim 5, wherein: a baffle (11) is fixed beside the screw (10) on the top surface of the upper male die (6).

7. The tooling for forming the frangible cover of claim 1, wherein: and a lifting ring screw (7) is fixed on the top surface of the upper male die (6).

8. The tooling for forming the frangible cover of claim 1, wherein: and a suspension rod (1) is arranged on the side surface of the lower female die (4).