CN220784563U - Bottle cap machine mould with dual limit structure - Google Patents

Abstract

The utility model provides a bottle lid machine mould with dual limit structure, including bottle lid upper die and bottle lid lower mould, the bottle lid upper die includes mould fixing base and shell fixing base, go up mould connecting seat on the mould fixing base, the spring is pressed the cover, go up mould mobile jib, plug ejector pin and return spring in the mould, set up the shell on the shell fixing base, go up mould mobile jib and plug ejector pin stretch out the shell in the mould, and set up the facing between last mould mobile jib and the plug ejector pin in the mould, set up interior plug spacing groove on the plug ejector pin in the mould, set up corresponding facing spacing groove on the facing, set up corresponding constant head tank and perforation on last mould mobile jib, set up the locating piece in the constant head tank, be made with the stopper on the locating piece, the stopper passes in perforation stretch into interior plug spacing groove and facing spacing groove, the stopper is fixed a position in the radial of interior plug spacing groove and facing spacing groove, and carry out the spacing to interior plug spacing groove and facing the axial.

Description

Bottle cap machine mould with dual limit structure

Technical Field

The utility model relates to a bottle cap machine die with a double limiting structure, and belongs to the field of plastic machinery.

Background

The bottle cap machine die comprises an upper die and a lower die, wherein the upper die comprises an upper die fixing plate, an upper die main rod, a die inner plug ejector rod, a die stripping sleeve fixing seat, a tooth sleeve, a die stripping spring, a spring pressing sleeve and the like. The main rod of the upper die is a core component of a bottle cap machine die and is mutually matched and connected with the tooth socket and the inner plug ejector rod of the die, under normal conditions, the main rod of the upper die is fixed on the machine, the tooth socket and the inner plug ejector rod of the die can conduct guiding (radial) movement in the main rod of the upper die and can also freely generate axial movement, and when the bottle caps such as irregular shapes (pentagon, triangle, square) are pressed, the die is damaged due to the fact that the main rod of the upper die and the tooth socket are in alignment fit. Meanwhile, the traditional tooth socket is positioned by using bolts for tightening, but the compression molding of the bottle cap machine for manufacturing the cap is a continuous high-frequency production process, the fit clearance between all parts of the die is small, and when the bolts are tightened and loosened, the die can be clamped immediately and damaged, so that a double limiting structure capable of radially positioning the tooth socket and axially limiting the main rod of the upper die needs to be designed, and the high-frequency production process of the bottle cap machine is met.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provides a bottle cap machine die with a double limiting structure, which can axially position a tooth socket and radially limit a plug ejector rod in the die.

The utility model relates to a bottle cap machine mould with a double limiting structure, which comprises the following technical scheme: including bottle lid upper die and bottle lid lower mould, the bottle lid upper die includes mould fixing base and drawing of patterns cover fixing base, upward sets up the mould connecting seat on the mould fixing base, upward sets up the spring and presses the cover outward, upward connects the mould mobile jib in the mould connecting seat, upward sets up the interior plug ejector pin of mould in the mould mobile jib, is equipped with return spring in the mould on the plug ejector pin, sets up the drawing of patterns cover on the drawing of patterns cover fixing base, sets up the mould spring between drawing of patterns cover and the spring and presses the cover, upward mould mobile jib and the interior plug ejector pin of mould stretch out the drawing of patterns cover to set up tooth cover between last mould mobile jib and the interior plug ejector pin of mould, its characterized in that: the double limiting structure comprises an inner plug limiting groove arranged on the inner plug ejector rod of the die, a corresponding tooth socket limiting groove arranged on the tooth socket, wherein the axial distance L1 of the tooth socket limiting groove is greater than the axial distance L2 of the inner plug limiting groove, the radial distance L3 of the tooth socket limiting groove is identical with the radial distance L4 of the inner plug limiting groove, a corresponding positioning groove and a perforation are arranged on the upper die main rod, a positioning block is arranged in the positioning groove, a limiting block is arranged on the positioning block, the limiting block penetrates through the perforation to extend into the inner plug limiting groove and the tooth socket limiting groove, the limiting block radially positions the inner plug limiting groove and the tooth socket limiting groove, and the axial directions of the inner plug limiting groove and the tooth socket limiting groove are limited.

According to the bottle cap machine die with the double limiting structure, the positioning block and the limiting block can be integrally manufactured, can be assembled together in a split mode, and adopt high-hardness ground steel, so that the bottle cap machine die is wear-resistant, and when being installed, the positioning block is inlaid in the positioning groove of the upper die main rod, the limiting block penetrates through the perforation and stretches into the inner plug limiting groove and the tooth socket limiting groove to radially position the inner plug limiting groove and the tooth socket limiting groove, and the inner plug limiting groove and the tooth socket limiting groove are axially limited, and when the die is opened and closed to move up and down, the radial positioning ensures that the die cannot be worn in a single side, is accurate in positioning and long in service life. The axial limit enables the die to be die-removed at a uniform position, so that the optimal die-removing distance between the main rod of the upper die and the tooth socket as well as between the main rod of the upper die and the inner plug ejector rod of the die is achieved, and the consistency of products is ensured. In actual production, the die demolding strokes of different products are also different, and the axial distance L1 of the tooth socket limiting groove of the scheme is greater than the axial distance L2 of the inner plug limiting groove, so that the die demolding strokes of different products can be adapted.

The bottle cap machine mold with the double limiting structure is arranged on one side wall of the upper mold main rod, the mold inner plug ejector rod and the tooth socket or on two symmetrical side walls of the upper mold main rod, the mold inner plug ejector rod and the tooth socket, and can be determined according to practical conditions. The positioning block and the positioning groove are respectively provided with a fixing hole, and the two fixing holes are fixed by screws and are firmly fixed.

Drawings

FIG. 1 is a schematic diagram of a bottle cap machine mold with a dual limiting structure according to the present utility model;

FIG. 2 is a cross-sectional view of a dual limiting structure of the present utility model;

FIG. 3 is a schematic view of the upper mold main bar of the present utility model;

FIG. 4 is a schematic view of an in-mold plug ejector pin of the present utility model;

fig. 5 is a schematic view of a mouthpiece of the present utility model.

Detailed Description

The utility model relates to a bottle cap machine die with a double limiting structure, as shown in figures 1-5, comprising a bottle cap upper die 01 and a bottle cap lower die 02, wherein the bottle cap upper die 01 comprises an upper die fixing seat 1 and a demolding sleeve fixing seat 2, an upper die connecting seat 3 is arranged on the upper die fixing seat 1, a spring pressing sleeve 4 is arranged outside the upper die connecting seat, an upper die main rod 5 is connected in the upper die connecting seat, a die inner plug ejector rod 6 is arranged in the upper die main rod 5, a return spring is arranged on the die inner plug ejector rod 6, a demolding sleeve 7 is arranged on the demolding sleeve fixing seat 2, a die spring 8 is arranged between the demolding sleeve 7 and the spring pressing sleeve 4, the upper die main rod 5 and the die inner plug ejector rod 6 extend out of the demolding sleeve 7, a tooth sleeve 9 is arranged between the upper die main rod 5 and the die inner plug ejector rod 6, a double limiting structure is arranged among the upper die main rod 5, the die inner plug ejector rod 6 and the tooth sleeve 9, the double limiting structure comprises an inner plug limiting groove 10 arranged on an inner plug ejector rod 6 of a die, a corresponding tooth socket limiting groove 11 arranged on a tooth socket 9, wherein the axial distance L1 of the tooth socket limiting groove 11 is larger than the axial distance L2 of the inner plug limiting groove 10, the radial distance L3 of the tooth socket limiting groove 11 is identical with the radial distance L4 of the inner plug limiting groove 10, a corresponding positioning groove 12 and a perforation 13 are arranged on an upper die main rod 5, a positioning block 15 is arranged in the positioning groove 12, a limiting block 16 is arranged on the positioning block, the limiting block 16 penetrates through the perforation 13 and stretches into the inner plug limiting groove 10 and the tooth socket limiting groove 11, and the limiting block is used for positioning the inner plug limiting groove 10 and the tooth socket limiting groove 11 in the radial direction and limiting the axial direction of the inner plug limiting groove 10 and the tooth socket limiting groove 11.

The locating piece 15 and stopper 16 can be made as an organic whole, also can the components of a whole that can function independently assemble together to adopt high hardness to grind steel, stand wear and tear, during the installation, locating piece 15 inlay in the constant head tank 12 of last mould mobile jib 5, stopper 16 pass perforation 13, stretch into in stopper spacing groove 10 and the facing spacing groove 11, radially fix a position stopper spacing groove 10 and facing spacing groove 11, and carry out spacingly to the axial of stopper spacing groove 10 and facing spacing groove 11, when opening and closing the mould up-and-down motion, radial location guarantees that unilateral wearing and tearing can not appear, the location is accurate, long service life to the mould. The axial limit enables the die to be die-removed at a uniform position, so that the optimal die-removing distance between the main rod of the upper die and the tooth socket as well as between the main rod of the upper die and the inner plug ejector rod of the die is achieved, and the consistency of products is ensured. In actual production, the demolding strokes of the molds of different products are also different, and the axial distance L1 of the tooth socket limiting groove 11 in the scheme is greater than the axial distance L2 of the inner plug limiting groove 10, so that the tooth socket limiting groove can adapt to the demolding strokes of different products.

The double limiting structure is arranged on one side wall of the upper die main rod 5, the inner die plug ejector rod 6 and the tooth socket 9, or on two symmetrical side walls of the upper die main rod 5, the inner die plug ejector rod 6 and the tooth socket 9, and can be determined according to practical conditions.

The positioning block 15 and the positioning groove 12 are respectively provided with a fixing hole 17, and the two fixing holes are fixed by screws and are firmly fixed.

Claims (3)

1. The utility model provides a bottle lid machine mould with dual limit structure, includes bottle lid upper die (01) and bottle lid lower mould (02), bottle lid upper die (01) are including last mould fixing base (1) and drawing of patterns cover fixing base (2), go up mould connection seat (3) on mould fixing base (1), go up mould connection seat and set up spring pressure cover (4) outward, go up mould mobile jib (5) in connecting the connection, go up mould mobile jib (5) and set up in the mould stopper ejector pin (6), be equipped with return spring on mould stopper ejector pin (6), set up on drawing of patterns cover fixing base (2) and take off mould cover (7), set up mould spring (8) between drawing of patterns cover (7) and the spring pressure cover (4), go up mould mobile jib (5) and mould in stopper ejector pin (6) stretch out take off mould cover (7), and set up tooth cover (9) between last mould mobile jib (5) and mould inner stopper ejector pin (6), its characterized in that: the novel automatic feeding device is characterized in that a double limiting structure is arranged between the upper die main rod (5), the die inner plug ejector rod (6) and the tooth socket (9), the double limiting structure comprises an inner plug limiting groove (10) arranged on the die inner plug ejector rod (6), a corresponding tooth socket limiting groove (11) is arranged on the tooth socket (9), the axial distance L1 of the tooth socket limiting groove (11) is larger than the axial distance L2 of the inner plug limiting groove (10), the radial distance L3 of the tooth socket limiting groove (11) is identical to the radial distance L4 of the inner plug limiting groove (10), a corresponding positioning groove (12) and a perforated hole (13) are arranged on the upper die main rod (5), a positioning block (15) is arranged in the positioning block, a limiting block (16) penetrates through the perforated hole (13) to extend into the inner plug limiting groove (10) and the tooth socket limiting groove (11), and the limiting block radially positions the inner plug limiting groove (10) and the tooth socket limiting groove (11) and axially limits the inner plug limiting groove (10) and the tooth socket limiting groove (11).

2. The bottle cap machine mold with the double limiting structure according to claim 1, characterized in that the double limiting structure is arranged on one side wall of the upper mold main rod (5), the mold inner plug ejector rod (6) and the tooth socket (9) or on two symmetrical side walls of the upper mold main rod (5), the mold inner plug ejector rod (6) and the tooth socket (9).

3. The bottle cap machine mold with the double limiting structure according to claim 1, wherein the positioning block (15) and the positioning groove (12) are respectively provided with a fixing hole (17), and the two fixing holes are fixed by screws.