CN213321417U - Quick replacement mechanism for moving die core of plastic bottle cap injection mold - Google Patents

Abstract

A quick replacement mechanism for a moving die core of an injection mold of a plastic bottle cap comprises an upper compound plate, a lower compound plate, a runner plate arranged below the upper compound plate, an upper backing plate arranged below the upper backing plate, a set die insert arranged in a set die plate arranged below the lower backing plate, a perforation arranged in the lower compound plate, a die pin, an upper thimble plate and a lower thimble plate arranged on the lower compound plate, an outer moving die core arranged on the upper thimble plate, an inner moving die core arranged on the lower thimble plate, a lower backing plate arranged on the die pin, a moving die plate arranged on the lower backing plate, and an outer sleeve arranged on the moving die plate, the upper ejector pin plate is internally provided with a transverse upper insertion hole, the side wall of the outer movable mold core is provided with a transverse upper side positioning groove, the upper side positioning groove corresponds to the upper insertion hole, the upper insertion hole and the upper side positioning groove are inserted with an upper positioning rod, a transverse lower insertion hole is formed in the lower ejector plate, a transverse lower side positioning groove is formed in the side wall of the inner movable mold core, the lower side positioning groove corresponds to the lower insertion hole, and a lower positioning rod is inserted into the lower insertion hole and the lower side positioning groove.

Description

Quick replacement mechanism for moving die core of plastic bottle cap injection mold

Technical Field

The utility model relates to an injection mold especially relates to plastics bottle lid injection mold movable mould core quick replacement mechanism.

Background

Injection mold is in the shaping production process, and live time has been of a specified duration, and mould accessory just can appear wearing and tearing, damage, consequently need change impaired accessory, guarantees the mould normal operating. The existing fittings (such as a movable mold core, a movable mold insert, a fixed mold core, a fixed mold insert and the like) inside the mold are usually fixed through fasteners such as bolts and the like, when the fittings are required to be replaced and disassembled, the whole mold needs to be disassembled, the fittings can be replaced, the disassembly and the assembly are troublesome, and the production is influenced.

Disclosure of Invention

The utility model aims at overcoming the shortcoming that prior art exists, provide a movable mould core and dismantle, change the convenience for change speed alleviates workman intensity of labour, avoids influencing the plastics bottle lid injection mold movable mould core quick replacement mechanism of production.

The utility model discloses plastic bottle lid injection mold movable mould core quick replacement mechanism's technical scheme is: the die comprises an upper compound plate and a lower compound plate, wherein a runner plate is arranged below the upper compound plate, an upper backing plate is arranged below the runner plate, a fixed die plate is arranged below the upper backing plate, a fixed die insert is arranged in the fixed die plate, a through hole is formed in the lower compound plate, die pins are arranged on the lower compound plate, an upper thimble plate and a lower thimble plate are arranged on the lower compound plate between the die pins, an outer moving die core is arranged on the upper thimble plate, an inner moving die core is arranged on the lower thimble plate, the inner moving die core penetrates through the outer moving die core, a lower backing plate is arranged on the die pins, a moving die plate is arranged on the lower backing plate, an outer sleeve is arranged on the moving die plate, the outer moving die core penetrates through the outer sleeve, a transverse upper insertion hole is formed in the upper thimble plate, a transverse upper side positioning groove is formed in the side wall of the outer moving die core, the upper side positioning groove corresponds to the upper insertion hole, an upper positioning rod is inserted into the upper positioning hole, a transverse lower insertion hole is, the lower side positioning groove corresponds to the lower insertion hole, and the lower positioning rod is inserted into the lower insertion hole and the lower side positioning groove.

The utility model discloses a quick replacement mechanism for a movable mold core of an injection mold of a plastic bottle cap, when an outer movable mold core and an inner movable mold core are worn or damaged after long-term use and need to be replaced, people only need to adopt a tool to transversely draw out an upper positioning rod along an upper jack to enable the upper positioning rod to be separated from an upper side positioning groove of the side wall of the outer movable mold core, a lower positioning rod is transversely drawn out along a lower jack to enable a lower positioning rod to be separated from a lower side positioning groove of the side wall of the inner movable mold core, then a driven mold plate and a fixed mold plate of the mold are opened, an upper ejector pin plate and a lower ejector pin plate are driven by an ejector pin of the injection machine to move upwards, the upper ejector pin plate and the lower ejector pin plate can drive the outer movable mold core and the inner movable mold core to move upwards and expose together, at the moment, people can take out the worn outer movable mold core, and the upper positioning rod and the lower positioning rod are inserted into the upper insertion hole and the lower insertion hole again, the upper positioning rod is clamped in the upper side positioning groove of the side wall of the outer moving die core, and the lower positioning rod is clamped in the lower side positioning groove of the side wall of the inner moving die core to clamp and position the lower positioning rod and prevent the upper positioning rod and the lower positioning rod from loosening and slipping.

The utility model discloses plastic bottle lid injection mold movable mould core quick replacement mechanism, one end or both ends of last locating lever and lower locating lever system have interior screw hole respectively. When the positioning rod is disassembled, the bolt can be screwed into the inner screw hole, and the upper positioning rod and the lower positioning rod can be taken out by pulling the bolt with hands or tools, so that the positioning rod is convenient to take out.

The upper positioning rod and the lower positioning rod are circular, the corresponding upper insertion hole and the corresponding lower insertion hole are circular, and the upper side positioning groove and the lower side positioning groove are arc-shaped.

The lateral wall of outer movable mould core open and to have about two upside constant head tanks, open in the corresponding thimble board about having two last jacks, insert the locating lever in last jack and upside constant head tank, the lateral wall of interior movable mould core is opened has about two downside constant head tanks, opens about having in the corresponding thimble board down about having two lower jacks, inserts the lower locating lever in jack and downside constant head tank down. The left and right groups of positioning rods are matched with the positioning grooves, so that the positioning effect on the movable mold core is better.

Drawings

FIG. 1 is a schematic structural view of a quick replacement mechanism for a moving mold core of an injection mold for plastic bottle caps of the present invention;

FIG. 2 is a schematic perspective view showing the fitting state of the upper ejector plate, the lower ejector plate and the external movable mold core;

FIG. 3 is a perspective view showing the fitting state of the outer moving die core, the inner moving die core, the upper positioning rod and the lower positioning rod;

FIG. 4 is a perspective view showing the state where the outer mold core and the inner mold core are engaged with each other.

Detailed Description

The utility model relates to a quick replacement mechanism for a movable mould core of an injection mould of a plastic bottle cap, which comprises an upper compound plate 1 and a lower compound plate 2, wherein a runner plate 3 is arranged below the upper compound plate, an upper backing plate 4 is arranged below the runner plate, a fixed mould plate 5 is arranged below the upper backing plate, a fixed mould insert 6 is arranged in the fixed mould plate, mould feet 8 are arranged on the lower compound plate, an upper thimble plate 9 and a lower thimble plate 10 are arranged on the lower compound plate between the mould feet, an outer movable mould core 11 is arranged on the upper thimble plate, an inner movable mould core 12 is arranged on the lower thimble plate, the inner movable mould core passes through the outer movable mould core, a lower backing plate 13 is arranged on the mould feet 8, a movable mould plate 14 is arranged on the lower backing plate, an outer sleeve 15 is arranged on the movable mould plate, the outer movable mould core passes through the outer sleeve, a transverse upper jack 16 is arranged in the upper thimble plate 9, a transverse upper jack 17 is arranged on the side wall of the outer movable mould core 11, an upper positioning rod 18 is inserted into the upper insertion hole and the upper side positioning groove, a transverse lower insertion hole 19 is formed in the lower ejector plate 10, a transverse lower side positioning groove 20 is formed in the side wall of the inner moving die core 12, the lower side positioning groove corresponds to the lower insertion hole, and a lower positioning rod 21 is inserted into the lower insertion hole and the lower side positioning groove. When the outer movable mold core 11 and the inner movable mold core 12 are worn or damaged after long-term use and need to be replaced, people only need to use tools to transversely draw out the upper positioning rod 18 along the upper insertion hole 16, so that the upper positioning rod is taken out of the upper positioning groove 17 on the side wall of the outer movable mold core 11, the lower positioning rod 21 is transversely drawn out along the lower insertion hole 19, so that the lower positioning rod is taken out of the lower positioning groove 20 on the side wall of the inner movable mold core 12, then the space between the mold driven template 14 and the fixed template 5 is opened, the upper ejector pin plate 9 and the lower ejector pin plate 10 are driven to move upwards through the ejector pin of the injection machine, the upper ejector pin plate and the lower ejector pin plate can drive the outer movable mold core 11 and the inner movable mold core 12 to move upwards and expose together, at the moment, people can take out the worn outer movable mold core and the inner movable mold core from the mold and replace the new outer movable mold core and, 21 are inserted into the upper and lower insertion holes 16, 19 again, the upper positioning rod is clamped in the upper positioning groove 17 on the side wall of the outer moving die core 11, and the lower positioning rod is clamped in the lower positioning groove 20 on the side wall of the inner moving die core 12, so as to clamp and position the upper positioning rod and prevent the upper positioning rod and the lower positioning rod from loosening and slipping. One end or two ends of the upper positioning rod 18 and the lower positioning rod 21 are respectively provided with an inner screw hole 22. When the device is disassembled, the bolt can be screwed into the inner screw hole 22, and then the bolt is pulled by hands or tools to take out the upper positioning rod 18 and the lower positioning rod 21, so that the device is convenient to take out. The upper positioning rod 18 and the lower positioning rod 21 are circular, the corresponding upper insertion hole 16 and the corresponding lower insertion hole 19 are circular, and the upper positioning groove 17 and the lower positioning groove 20 are circular arc-shaped. The side wall of the outer movable mold core 11 is provided with a left upper side positioning groove 17 and a right upper side positioning groove 17, a left upper insertion hole 16 and a right upper insertion hole 16 are formed in the corresponding upper ejector plate 9, an upper positioning rod 18 is inserted into the upper insertion hole and the upper side positioning groove, a left lower side positioning groove 20 and a right lower side positioning groove 20 are formed in the side wall of the inner movable mold core 12, a left lower insertion hole 19 and a right lower insertion hole 19 are formed in the corresponding lower ejector plate 10, and a lower positioning rod 21 is inserted into. The left and right groups of positioning rods are matched with the positioning grooves, so that the positioning effect on the movable mold core is better.

Claims (4)

1. Plastics bottle lid injection mold movable mould core quick replacement mechanism, including upper compound plate (1) and lower compound plate (2), set up runner plate (3) under the upper compound plate, set up under the runner plate upper padding plate (4), set up fixed die plate (5) under the upper padding plate, set up cover half insert (6) in the fixed die plate, set up on the lower compound plate moulding foot (8), set up thimble board (9) and thimble board (10) down on the lower compound plate between the moulding foot, set up outer movable mould core (11) on the last thimble board, set up interior movable mould core (12) down on the thimble board, interior movable mould core passes outer movable mould core, set up lower backing plate (13) on moulding foot (8), set up movable mould board (14) on the lower backing plate, set up overcoat (15) on the movable mould board, outer movable mould core passes the overcoat, its characterized in that: go up thimble board (9) in open and to have horizontal last jack (16), the lateral wall of outer movable mould core (11) is opened and is had horizontal upside constant head tank (17), the upside constant head tank is corresponding with last jack, go up jack and upside constant head tank in insert locating lever (18), open horizontal lower jack (19) in thimble board (10) down, the lateral wall of interior movable mould core (12) is opened and is had horizontal downside constant head tank (20), downside constant head tank is corresponding with lower jack, insert down locating lever (21) in lower jack and the downside constant head tank.

2. The plastic bottle cap injection mold moving mold core quick-change mechanism of claim 1, wherein: one end or two ends of the upper positioning rod (18) and the lower positioning rod (21) are respectively provided with an inner screw hole (22).

3. The plastic bottle cap injection mold moving mold core quick-change mechanism of claim 1, wherein: the upper positioning rod (18) and the lower positioning rod (21) are circular, the corresponding upper insertion hole (16) and the corresponding lower insertion hole (19) are circular, and the upper positioning groove (17) and the lower positioning groove (20) are circular.

4. The plastic bottle cap injection mold moving mold core quick-change mechanism of claim 1, wherein: the lateral wall of outer movable mould core (11) open and to have about two upside constant head tanks (17), open in corresponding last thimble board (9) about having two last jacks (16), insert in last jack and upside constant head tank and go up locating lever (18), the lateral wall of interior movable mould core (12) is opened and is had about two downside constant head tanks (20), open in corresponding lower thimble board (10) about having two lower jacks (19), insert in lower jack and downside constant head tank and down locating lever (21).

Images