CN203198190U - External fastener type double-ejection device - Google Patents

Abstract

The utility model provides an external fastener type double-ejection device which overcomes the problems and shortcomings of complicated structure, long construction period and high cost of the prior art, avoids the defects of a built-in structure of a double-ejection device of an injection mould and achieves the aims of simplifying the structure, shortening the construction period and reducing the cost. The device comprises an ejection rod, an unlocking block, a lock, a rotary shaft, a spring and a reset pull rod, wherein the ejection rod and the rotary shaft are rotatably connected with the edge of a lower top plate through a shaft hole; the right end of the spring is placed against the left side below the shaft hole of the ejection rod, and the left part of the spring is located in a placing slot formed in the edge of the lower top plate; the lock is correspondingly fixed at the edge of the lower side of an upper top plate; a bayonet of the ejection rod is in sliding contact fastening with a fastening side of the lock; the unlocking block is located above the ejection rod and correspondingly fixed at the edge of a moving die carrier plate; a threaded end of the reset pull rod is fixedly connected on the lower side of the upper top plate; a middle polish rod of the reset pull rod slides vertically downward to pass through the lower top plate; and an internal hexagonal cylindrical head of the reset pull rod is located in a round step counter bore on the lower side of the lower top plate in a sliding manner.

Description

A kind of external buckle-type secondary ejection device

Technical field

The utility model relates to a kind of secondary ejection device of injection mold, specifically refer to for up and down two top boards that drive injection mold, do first for the first time that two plates eject motion synchronously, remake a kind of external buckle-type secondary ejection device that lower roof plate veneer for the second time ejects motion.

Background technology

Injection mold is in order to realize automatically separating of the goods demoulding and goods and cold burden head, secondary ejection device need to be set drive up and down two top boards, doing first for the first time, two plates eject motion synchronously, remaking for the second time, the lower roof plate veneer ejects motion, the secondary ejection device of prior art is arranged on mould inside up and down between two top boards, is called built-in; Built-in structure is complicated, makes processing expense long in time limit high, and built-in need take the mould inside space, because mould inside space compactness is narrow, must not then strengthen the mould body, causes die cost to increase, therefore, prior art exists complex structure, the problems and shortcomings that long in time limit, cost is high.

Summary of the invention

Problems and shortcomings for above-mentioned prior art existence, the utility model adopts the device that is made of knock-pin, solution lock dog, snap close, rotating shaft, spring, reset lever, wherein, knock-pin rotatably is arranged on the edge of lower roof plate by rotating shaft, and resetted by spring action; The snap close correspondence is fixedly installed on the edge of upper plate, and the bayonet socket of knock-pin and snap close fasten; Separate the lock dog correspondence and be fixedly installed on the edge of dynamic model support plate, and be positioned at the top of knock-pin; During work, utilize first the fastening of bayonet socket and snap close, drive through knock-pin, lower roof plate and upper plate eject motion synchronously, finish the phase I to eject; Afterwards, knock-pin is separated the spigot surface effect of lock dog and is rotated along rotating shaft, and bayonet socket separates with snap close, and upper plate stops, and lower roof plate continues independently moving, finishes second stage and ejects; When resetting, make reseting movement with lower roof plate, drive respectively the technical scheme that knock-pin, upper plate reset through spring, reset lever, a kind of external buckle-type secondary ejection device is provided, be intended to not take the mould inside space by the edge that is arranged on dynamic model support plate, upper plate and lower roof plate, make the secondary ejection device of injection mold avoid built-in drawback, reach the purpose of simplified structure, reduction of erection time, reduction cost.

The purpose of this utility model is achieved in that a kind of external buckle-type secondary ejection device, comprise knock-pin, separate lock dog, snap close, rotating shaft, spring, reset lever, wherein: described knock-pin is the steel components of the rectangular bulk of rectangle, middle part, the knock-pin left side is provided with the hook step of protruding left, the top of described hook step is called bayonet socket for horizontal plane, the manhole that the bottom of knock-pin is provided with fore-and-aft direction is called axis hole, is provided with the inclined-plane that upwards is tilted to the right between the top, the left side of knock-pin and knock-pin top and is called the top bevel;

Described solution lock dog is block steel components, is provided with the inclined-plane that upwards is tilted to the right between the bottom, the right side of the following right part of solution lock dog and solution lock dog and is called spigot surface;

Described snap close is the steel components of rectangular block shape, and the following right part of snap close is called buckle side;

Described rotating shaft is cylindrical steel member;

Described spring is cylindroid helical-coil compression spring;

Described reset lever is interior hexagonal cylindrical centriciput polished rod hole bolt;

Knock-pin is rotatably connected at the edge of lower roof plate by described axis hole and rotating shaft, and the right-hand member of spring is against the left side of the described axis hole below that is positioned at knock-pin, and the left part of spring is arranged in the resettlement groove that the lower roof plate edge arranges; The snap close correspondence is fixedly installed on the edge below the upper plate, and the described buckle side sliding-contact of the described bayonet socket of knock-pin and snap close fastens; Separate the edge that top correspondence that lock dog is positioned at knock-pin is fixedly installed on the dynamic model support plate; The end of thread of reset lever be fixedly connected on upper plate below, the middle part polished rod of reset lever slides through lower roof plate vertically downward, hexagonal cylindrical head be positioned at lower roof plate following of sliding is the step cutting pattern counterbore of its setting in the reset lever;

The direction face of structure representation is divided into up, down, left, right, front, rear side, wherein, the front by in the face of the face of statement main body, the back is the face relative with described front.

Operation principle and beneficial effect

During work, lower roof plate is ejected by the effect of injection machine stern post, because the bayonet socket of knock-pin and the fastening of snap close, lower roof plate and upper plate eject movement synchronously, finishes ejecting for the first time; Simultaneously, the effect that the knock-pin that moves with lower roof plate is separated the spigot surface of lock dog turns right along rotating shaft, causes bayonet socket to separate with snap close, and afterwards, upper plate stops mobile, and lower roof plate then continues mobile, ejects for the second time thereby finish; When resetting, be subjected to the effect of mould release link, lower roof plate is made reset movement, and the spring action knock-pin rotates and resets, and lower roof plate affects upper plate to reset by reset lever.

Because this device is arranged on the edge of dynamic model support plate, upper plate and lower roof plate and does not take the mould inside space, makes the secondary ejection device of injection mold avoid built-in drawback, simplifies the structure, has shortened the duration, reduced cost.

Above-mentioned, the utility model adopts the device that is made of knock-pin, solution lock dog, snap close, rotating shaft, spring, reset lever, knock-pin rotatably is arranged on the edge of lower roof plate by rotating shaft, the snap close correspondence is fixedly installed on the edge of upper plate, and the bayonet socket of knock-pin and snap close fasten; Separate the edge that the lock dog correspondence is fixedly installed on the dynamic model support plate; During work, utilize first the fastening of bayonet socket and snap close, lower roof plate and upper plate eject motion synchronously, finish to eject for the first time; Afterwards, knock-pin is separated the effect of lock dog and is rotated along rotating shaft, and bayonet socket separates with snap close, and upper plate stops, and lower roof plate continues mobile finishing and ejects for the second time; When resetting, drive respectively the technical scheme that knock-pin, upper plate reset by spring, reset lever, overcome prior art and had complex structure, the problems and shortcomings that long in time limit, cost is high, a kind of external buckle-type secondary ejection device that provides, make the secondary ejection device of injection mold avoid built-in drawback, reached the purpose of simplified structure, reduction of erection time, reduction cost.

Description of drawings

Fig. 1 is a kind of external buckle-type secondary ejection device of the present utility model, is arranged in the master who uses the mould structure and looks cross-sectional schematic;

Fig. 2 is a kind of external buckle-type secondary ejection device of the present utility model, is operated in lower roof plate and upper plate and makes the principle schematic that eject tense the synchronization-moving first time;

Fig. 3 is a kind of external buckle-type secondary ejection device of the present utility model, is operated in bayonet socket and separates with snap close, and upper plate stops, and lower roof plate continues the mobile principle schematic that ejects tense the second time;

Fig. 4 is a kind of external buckle-type secondary ejection device of the present utility model, is operated in lower roof plate and affects upper plate to reset by reset lever, and spring makes knock-pin rotate the principle schematic of the tense that resets.

Below in conjunction with the embodiment in the accompanying drawing the utility model is described in further detail, but should not be construed as any restriction of the present utility model.

Among the figure: knock-pin 1, top bevel 11, bayonet socket 12, axis hole 13, solution lock dog 2, spigot surface 21, snap close 3, rotating shaft 4, spring 5, reset lever 6, dynamic model support plate 01, upper plate 02, lower roof plate 03, base plate 04.

The specific embodiment

Consult Fig. 1～Fig. 4, a kind of external buckle-type secondary ejection device of the present utility model, comprise knock-pin 1, separate lock dog 2, snap close 3, rotating shaft 4, spring 5, reset lever 6, wherein: described knock-pin 1 is the steel components of the rectangular bulk of rectangle, middle part, knock-pin 1 left side is provided with the hook step of protruding left, the top of described hook step is called bayonet socket 12 for horizontal plane, the manhole that the bottom of knock-pin 1 is provided with fore-and-aft direction is called axis hole 13, is provided with the inclined-plane that upwards is tilted to the right between the top, the left side of knock-pin 1 and knock-pin 1 top and is called top bevel 11;

Described solution lock dog 2 is block steel components, is provided with the inclined-plane that upwards is tilted to the right between the bottom, the right side of the following right part of solution lock dog 2 and solution lock dog 2 and is called spigot surface 21;

Described snap close 3 is the steel components of rectangular block shape, and the following right part of snap close 3 is called buckle side;

Described rotating shaft 4 is cylindrical steel member;

Described spring 5 is cylindroid helical-coil compression spring;

Described reset lever 6 is interior hexagonal cylindrical centriciput polished rod hole bolt;

Knock-pin 1 is rotatably connected at the edge of lower roof plate 03 with rotating shaft 4 by described axis hole 13, and the right-hand member of spring 5 is against the left side of described axis hole 13 belows that are positioned at knock-pin 1, and the left part of spring 5 is arranged in the resettlement groove that lower roof plate 03 edge arranges; Snap close 3 correspondences are fixedly installed on the edge below the upper plate 02, and the described bayonet socket 12 of knock-pin 1 fastens with the described buckle side sliding-contact of snap close 3; Separate the edge that top correspondence that lock dog 2 is positioned at knock-pin 1 is fixedly installed on dynamic model support plate 01; The end of thread of reset lever 6 be fixedly connected on upper plate 02 below, the middle part polished rod of reset lever 6 slides through lower roof plate 03 vertically downward, the interior hexagonal cylindrical heads of reset lever 6 be positioned at lower roof plate 03 following of sliding is the step cutting pattern counterbore of its setting;

The direction face of structure representation is divided into up, down, left, right, front, rear side, wherein, the front by in the face of the face of statement main body, the back is the face relative with described front.

Operation principle and beneficial effect

During work, lower roof plate 03 is ejected by the effect of injection machine stern post, because the bayonet socket 12 of knock-pin 1 and the fastening of snap close 3, lower roof plate 03 ejects movement synchronously with upper plate 02, finishes ejecting for the first time; Simultaneously, the effect that the knock-pin 1 that moves with lower roof plate 03 is separated the spigot surface 21 of lock dog 2 turns right along rotating shaft 4, causes bayonet socket 12 to separate with snap close 3, and afterwards, upper plate 02 stops mobile, and 03 of lower roof plate continues mobile, ejects for the second time thereby finish; When resetting, be subjected to the effect of mould release link, lower roof plate 03 is made reset movement, and spring 5 effect knock-pins 1 rotate and reset, and lower roof plate 03 affects upper plate 02 to reset by reset lever 6.

Claims (1)

1. external buckle-type secondary ejection device, comprise knock-pin (1), separate lock dog (2), snap close (3), rotating shaft (4), spring (5), reset lever (6), it is characterized in that: described knock-pin (1) is the steel components of the rectangular bulk of rectangle, middle part, knock-pin (1) left side is provided with the hook step of protruding left, the top of described hook step is called bayonet socket (12) for horizontal plane, the manhole that the bottom of knock-pin (1) is provided with fore-and-aft direction is called axis hole (13), is provided with the inclined-plane that upwards is tilted to the right between the top, the left side of knock-pin (1) and knock-pin (1) top and is called top bevel (11);

Described solution lock dog (2) is block steel components, is provided with the inclined-plane that upwards is tilted to the right between the bottom, the right side of the following right part of solution lock dog (2) and solution lock dog (2) and is called spigot surface (21);

Described snap close (3) is the steel components of rectangular block shape, and the following right part of snap close (3) is called buckle side;

Described rotating shaft (4) is cylindrical steel member;

Described spring (5) is cylindroid helical-coil compression spring;

Described reset lever (6) is interior hexagonal cylindrical centriciput polished rod hole bolt;

Knock-pin (1) is rotatably connected at the edge of lower roof plate (03) by described axis hole (13) and rotating shaft (4), the right-hand member of spring (5) is against the left side of described axis hole (13) below that is positioned at knock-pin (1), and the left part of spring (5) is arranged in the resettlement groove that lower roof plate (03) edge arranges; Snap close (3) correspondence is fixedly installed on the edge below the upper plate (02), and the described bayonet socket (12) of knock-pin (1) fastens with the described buckle side sliding-contact of snap close (3); Separate the edge that top correspondence that lock dog (2) is positioned at knock-pin (1) is fixedly installed on dynamic model support plate (01); The end of thread of reset lever (6) be fixedly connected on upper plate (02) below, the middle part polished rod of reset lever (6) slides through lower roof plate (03) vertically downward, and the interior hexagonal cylindrical head of reset lever (6) be positioned at lower roof plate (03) following of sliding is the step cutting pattern counterbore of its setting;

The direction face of structure representation is divided into up, down, left, right, front, rear side, wherein, the front by in the face of the face of statement main body, the back is the face relative with described front.

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