CN210633949U

CN210633949U - Traceless ejection mechanism

Info

Publication number: CN210633949U
Application number: CN201921700333.XU
Authority: CN
Inventors: 徐俊; 徐伟; 吴敏
Original assignee: Kunshan Tailide Precision Machinery Co Ltd
Current assignee: Kunshan Tailide Precision Machinery Co Ltd
Priority date: 2019-10-12
Filing date: 2019-10-12
Publication date: 2020-05-29
Anticipated expiration: 2029-10-12

Abstract

The utility model relates to the technical field of dies, in particular to a traceless ejection mechanism, which solves the defect of low yield in the prior art and comprises a base and an upper die fixing plate, wherein the top of the base is connected with a die pin through a screw, the top of the die pin is fixed with a lower die through a bolt, the bottom of the upper die fixing plate is connected with an upper die through a screw, the top of the lower die is fixed with symmetrically arranged fixing seats through a screw, the inside of the fixing seat is provided with a demoulding baffle in a sliding way, and through the arrangement of the structures such as the fixing seat, the demoulding baffle, a spring, a push rod, a lock rod and the like, when a product is ejected out by a thimble after the die is opened, the lock rods at both sides are pulled out by the push plate, the demoulding baffle is ejected out through the elasticity of the spring, after the thimble is reset, the, the damage is avoided, and the yield is obviously improved.

Description

Traceless ejection mechanism

Technical Field

The utility model relates to the technical field of mold, especially, relate to a no trace ejection mechanism.

Background

The present invention relates to a mould, various moulds and tools for obtaining required products by using injection moulding, blow moulding, extrusion, die-casting or forging forming, smelting and stamping methods in industrial production.

The mould in the prior art has the following problems during demoulding: during mould demoulding, the ejector pin and the back-off part still remain in the product, and the manipulator is forcibly adopted to strip the product at the moment, so that the ejector pin and the back-off part can scratch or damage the product, and the yield of the equipment is not high.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that the yield is not high among the prior art, and the traceless ejection mechanism who provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a traceless ejection mechanism comprises a base and an upper mold fixing plate, wherein the top of the base is connected with a mold foot through a screw, the top of the mold foot is fixed with a lower mold through a bolt, the bottom of the upper mold fixing plate is connected with an upper mold through a screw, the top of the lower mold is fixed with symmetrically arranged fixing seats through screws, the inside of the fixing seats is slidably provided with a demolding baffle, the top of the base is provided with a driving mechanism, the inside of the driving mechanism is provided with a piston rod, the other end of the piston rod is connected with a push plate through a nut and a bolt, the top of the push plate is fixed with a thimble through screws, connecting plates are welded on two sides of the push plate, the top of the connecting plates is fixed with a push rod through screws, the other end of the push rod is movably hinged with a connecting, the lock rod is arranged in the lower die in a sliding mode.

Preferably, the upper die and the lower die are arranged oppositely, a groove is formed in the bottom of the upper die, and the groove is located right above the fixed seat.

Preferably, the fixing base is provided with a telescopic groove inside, the telescopic groove is welded with a spring, the other end of the spring is fixedly connected with one side of the demoulding baffle plate through a buckle, and the demoulding baffle plate is embedded in the telescopic groove.

Preferably, the top of the lower die is provided with a cavity.

Preferably, the die foot and the lower die are internally provided with an inner groove together, one side of the swing rod is movably hinged with one side of the inner wall of the inner groove, the side wall of the inner groove is welded with a guide block, a guide hole is formed in the guide block, and the lock rod is connected with the inner part of the guide hole in a sliding manner.

Preferably, the fixing seat and the demoulding baffle plate are respectively provided with a through hole and a locking hole which are matched with the locking rod.

The utility model has the advantages that:

the utility model discloses in through the setting of fixing base, drawing of patterns baffle, spring, push rod, locking lever isotructure, the mould is after the die sinking, when the thimble is ejecting with the product completely, because the push pedal pulls out the locking lever of both sides, makes drawing of patterns baffle pop out through the elasticity of spring, and after the thimble resets, the product falls on drawing of patterns baffle, takes out the product this moment, can not produce the scratch on the product, can not damage yet, makes the yield obtain promoting remarkably.

Drawings

Fig. 1 is a front view of a traceless ejection mechanism according to the present invention;

fig. 2 is an enlarged view of a mark a of the traceless ejection mechanism of the present invention.

In the figure: the device comprises a base 1, a die leg 2, a lower die 3, an upper die fixing plate 4, an upper die 5, a groove 51, a push plate 6, a driving mechanism 7, a connecting plate 8, an ejector pin 9, a push rod 10, an inner groove 11, a connecting rod 12, a die cavity 13, a swing rod 14, a lock rod 15, a fixed seat 16, a guide block 17, a through hole 18, a spring 19, a telescopic groove 20, a demoulding baffle 21 and a locking hole 22.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-2, a traceless ejection mechanism comprises a base 1 and an upper mold fixing plate 4, wherein the top of the base 1 is connected with a mold foot 2 through a screw, the top of the mold foot 2 is fixed with a lower mold 3 through a bolt, the bottom of the upper mold fixing plate 4 is connected with an upper mold 5 through a screw, the top of the lower mold 3 is fixed with symmetrically arranged fixing seats 16 through screws, the inside of the fixing seat 16 is slidably provided with a mold release baffle 21, the top of the base 1 is provided with a driving mechanism 7, the inside of the driving mechanism 7 is provided with a piston rod, the other end of the piston rod is connected with a push plate 6 through a nut and a bolt, the top of the push plate 6 is fixed with a thimble 9 through a screw, connecting plates 8 are welded on two sides of the push plate 6, the top of the connecting plate 8 is fixed with a, the other end of the swing rod 14 is movably hinged with a lock rod 15, the lock rod 15 is arranged inside the lower die 3 in a sliding mode, through the arrangement of structures such as a fixed seat 16, a demoulding baffle plate 21, a spring 19, a push rod 10 and the lock rod 15, after the die is opened, when the ejector pin 9 completely ejects a product, the push plate 6 pulls out the lock rods 15 on two sides, the demoulding baffle plate 21 is ejected through the elasticity of the spring 19, after the ejector pin 9 is reset, the product falls on the demoulding baffle plate 21, the product is taken out at the moment, no scratch is generated on the product, no damage is generated, the yield is obviously improved, the upper die 5 and the lower die 3 are arranged oppositely, a groove 51 is formed in the bottom of the upper die 5, the groove 51 is positioned right above the fixed seat 16, a telescopic groove 20 is formed in the fixed seat 16, the spring 19 is welded in the telescopic groove 20, and the other end, and the demoulding baffle 21 is embedded in the telescopic groove 20, the top of the lower die 3 is provided with a cavity 13, the die leg 2 and the lower die 3 are provided with an inner groove 11 together, one side of the swing rod 14 is movably hinged with one side of the inner wall of the inner groove 11, the side wall of the inner groove 11 is welded with a guide block 17, the guide block 17 is provided with a guide hole inside, the lock rod 15 is connected with the guide hole inside in a sliding manner, and the fixed seat 16 and the demoulding baffle 21 are respectively provided with a through hole 18 and a locking hole 22 which are matched with the lock rod 15.

In the embodiment, after the mold is injection molded, the mold is opened, after the upper mold 4 slides upwards to a certain position, the driving mechanism 7 enables the piston rod to push the push plate 6 to move upwards, the driving mechanism 7 is a cylinder, the push plate 6 acts on the thimble 9 to eject the product, meanwhile, the push plate 6 drives the connecting plate 8, two sides of which are rigidly connected with the push plate, to move upwards in the inner groove 11, the connecting plate 8 drives the push rod 10 to push upwards, the push rod 10 presses the connecting rod 12 and the swing rod 14 to rotate, and the other end of the swing rod 14 pulls the lock rod 15 to slide downwards;

further, after the product is completely ejected by the ejector pin 9, the lock rod 15 is pulled to pass through the through hole 18 and the locking hole 22, the lock rod 15 is completely separated from the inside of the locking hole 22, the demoulding baffles 21 on the two sides slide towards the middle under the pushing of the spring 19 and slide to the bottom of the product, then the ejector pin 9 is reset and separated from the product, the product slightly falls on the two demoulding baffles 21, and then the manipulator takes down the product for stripping.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The traceless ejection mechanism comprises a base (1) and an upper fixing plate (4), and is characterized in that the top of the base (1) is connected with a mold foot (2) through a screw, the top of the mold foot (2) is fixed with a lower mold (3) through a bolt, the bottom of the upper fixing plate (4) is connected with an upper mold (5) through a screw, the top of the lower mold (3) is fixed with symmetrically arranged fixing seats (16) through a screw, the inside of the fixing seats (16) is provided with a demolding baffle plate (21) in a sliding manner, the top of the base (1) is provided with a driving mechanism (7), the inside of the driving mechanism (7) is provided with a piston rod, the other end of the piston rod is connected with a push plate (6) through a nut and a bolt, the top of the push plate (6) is fixed with a thimble (9) through a screw, the top of connecting plate (8) is fixed with push rod (10) through the screw, the other end activity of push rod (10) articulates there is connecting rod (12), the other end activity of connecting rod (12) articulates there is pendulum rod (14), the other end activity of pendulum rod (14) articulates there is locking lever (15), locking lever (15) slide to set up the inside of lower mould (3).

2. The traceless ejection mechanism of claim 1, wherein the upper die (5) and the lower die (3) are arranged oppositely, a groove (51) is formed in the bottom of the upper die (5), and the groove (51) is located right above the fixed seat (16).

3. The traceless ejection mechanism of claim 1, wherein a telescopic groove (20) is formed in the fixed seat (16), a spring (19) is welded in the telescopic groove (20), the other end of the spring (19) is fixedly connected with one side of the demolding baffle (21) through a buckle, and the demolding baffle (21) is embedded in the telescopic groove (20).

4. The traceless ejection mechanism according to claim 1, wherein a cavity (13) is formed at the top of the lower die (3).

5. The traceless ejection mechanism of claim 1, wherein the mold foot (2) and the lower mold (3) are provided with an inner groove (11) in a common manner, one side of the swing rod (14) is movably hinged with one side of the inner wall of the inner groove (11), the side wall of the inner groove (11) is welded with a guide block (17), the guide block (17) is provided with a guide hole in the inner portion, and the lock rod (15) is connected with the inner portion of the guide hole in a sliding manner.

6. The traceless ejection mechanism of claim 1, wherein the fixed seat (16) and the stripper plate (21) are respectively provided with a through hole (18) and a locking hole (22) which are matched with the lock rod (15).