CN211968303U

CN211968303U - Shedder is used in plastic part production

Info

Publication number: CN211968303U
Application number: CN201921797147.2U
Authority: CN
Inventors: 罗松
Original assignee: Anhui Gangteng Plastic Mold Technology Co ltd
Current assignee: Anhui Gangteng Plastic Mold Technology Co ltd
Priority date: 2019-10-24
Filing date: 2019-10-24
Publication date: 2020-11-20
Anticipated expiration: 2029-10-24

Abstract

The utility model relates to a shedder technical field, and a shedder is used in plastic part production is disclosed, including die holder and lower mould, the lower mould is fixed to be set up in the upper surface of die holder, the upper surface of lower mould is provided with down the mold core, the inside of lower mould and the below that is located down the mold core are equipped with the cavity, the vertical cavity pole that is equipped with of inside symmetry of cavity, the lower extreme of cavity pole is all fixed to be set up in the bottom of cavity for two, the inside of cavity pole all slides and is provided with the piston for two, the bottom of lower mold core and correspond the department with the position of two cavity poles and all set up flutedly, the inside of two recesses all is equipped with ejector piece, the lower surface center department of two ejector pieces all fixes and is equipped with the catch bar, the lower extreme of two catch bars all runs through to the inside of cavity and run through. The utility model discloses the staff of being convenient for takes out, and can not appear causing the phenomenon of damage to the plastic part.

Description

Shedder is used in plastic part production

Technical Field

The utility model relates to a shedder technical field especially relates to a shedder is used in plastic part production.

Background

The die is various dies and tools for obtaining required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production. In short, a mold is a tool used to make a shaped article, the tool being made up of various parts, different molds being made up of different parts. The processing of the appearance of an article is realized mainly through the change of the physical state of a formed material.

The patent number is CN110216816A, and discloses a plastic mold demoulding device, which comprises an installation base, two fixed support plates, a fixed frame, a mold mechanism, an ejection mechanism, a top plate, a buffer member and an auxiliary buffer mechanism, wherein the top of the installation base is symmetrically and fixedly provided with the two fixed support plates, the ejection mechanism is fixedly arranged at the top of the installation base, the fixed frame is positioned above the ejection mechanism, the two sides of the fixed frame are respectively and fixedly connected with the two fixed support plates, the mold mechanism is fixedly arranged in the fixed frame, the plastic mold demoulding device can effectively limit an upper mold when a plastic mold is demoulded, and simultaneously provides buffer capacity, so that the upper mold is prevented from being cracked or popped out when the plastic mold is demoulded, the potential safety hazard of demoulding of the plastic mold is effectively reduced, and meanwhile, when the elasticity of a spring is insufficient after the, so as to ensure efficient buffering and effectively avoid the upper die from being cracked or popped.

However, the plastic part in the above patent is difficult to separate from the mold after molding, and the plastic part is easily damaged in the manual plastic part separating process, thereby affecting the qualification rate of the produced plastic part. Therefore, the utility model discloses a shedder is used in plastic part production.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art plastic part and mould separation difficulty after the shaping, and the plastic part is fragile to manual separation plastic part in-process to cause the problem of influence to the qualification rate of the plastic part that produces, and the shedder is used in production of a plastic part that provides.

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

a demoulding device for plastic part production comprises a lower die holder and a lower die, wherein the lower die is fixedly arranged on the upper surface of the lower die holder, the upper surface of the lower die is provided with a lower die core, the inside of the lower die is provided with a cavity below the lower die core, two hollow rods are symmetrically and vertically arranged in the cavity, the lower ends of the two hollow rods are fixedly arranged at the bottom of the cavity, pistons are arranged in the two hollow rods in a sliding manner, grooves are formed in the bottom of the lower die core and corresponding to the positions of the two hollow rods, ejector blocks are arranged in the two grooves, push rods are fixedly arranged at the centers of the lower surfaces of the two ejector blocks, the lower ends of the two push rods penetrate through the inside of the cavity and penetrate through the insides of the two hollow rods respectively and are fixedly connected with the upper sides of the two pistons respectively, two transversely be equipped with the connecting pipe between the pole wall downside of well cavity pole, and the both ends of connecting pipe respectively with two the pole wall intercommunication of well cavity pole sets up, is located the right side the pole wall downside intercommunication of well cavity pole has the intake pipe, the other end of intake pipe runs through the top of cavity and extends to the top of lower mould, two the pole wall of catch bar all is equipped with canceling release mechanical system.

Preferably, canceling release mechanical system includes fixed plate and reset spring, the fixed plate level is fixed to be set up in the pole wall of catch bar and to be located the top of cavity pole, the reset spring symmetry is fixed to be set up in the upper surface left and right sides of fixed plate, two reset spring's upper end all with the top fixed connection of cavity.

Preferably, a pipe joint is fixedly arranged at one end, located outside the lower die, of the air inlet pipe.

Preferably, seamless processing is adopted between the jacking block and the groove.

Preferably, the top block is a circular block.

Preferably, the air inlet pipe is connected with external air supply equipment through a pipe joint.

Compared with the prior art, the utility model provides a shedder is used in plastic part production possesses following beneficial effect:

1. this shedder is used in plastic part production, through setting up at the inside cavity pole of lower mould, the piston, ejector pad, the catch bar, connecting pipe and intake pipe, outside air supply lets in gas and lets in to the inside of two cavity poles through the coupling to the inside of intake pipe, thereby can promote two piston rebound and upwards and push up ejector pad through the catch bar, and then can be ejecting from the inside of lower mould core with the plastic part after the shaping, the staff of being convenient for takes out, and the phenomenon that causes the damage to the plastic part can not appear.

2. This shedder is used in plastic part production through setting up fixed plate and reset spring on the catch bar, after plastic part takes out, stops letting in gas in the air inlet pipe, receives extruded reset spring this moment and can exert decurrent power for the fixed plate to can make the ejector block reset and remove to the inside of recess, the plastic part of moulding plastics once more of being convenient for.

The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses the staff of being convenient for takes out, and can not appear causing the phenomenon of damage to the plastic part.

Drawings

Fig. 1 is a schematic structural view of a demolding device for plastic part production according to the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

fig. 3 is a top view of fig. 1.

In the figure: 1 lower die holder, 2 lower dies, 3 lower die cores, 4 hollow rods, 5 pistons, 6 ejector blocks, 7 push rods, 8 connecting pipes, 9 air inlet pipes, 10 fixing plates, 11 return springs and 12 pipe joints.

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. 1-3, a demolding device for plastic part production comprises a lower die holder 1 and a lower die 2, wherein the lower die 2 is fixedly arranged on the upper surface of the lower die holder 1, the upper surface of the lower die 2 is provided with a lower die core 3, a cavity is arranged inside the lower die 2 and below the lower die core 3, two hollow rods 4 are symmetrically and vertically arranged inside the cavity, the lower ends of the two hollow rods 4 are fixedly arranged at the bottom of the cavity, pistons 5 are slidably arranged inside the two hollow rods 4, grooves are formed in the bottom of the lower die core 3 and correspond to the two hollow rods 4, ejector blocks 6 are arranged inside the two grooves, seamless processing is adopted between the ejector blocks 6 and the grooves, the technology is solved in actual production, too much description is not given here, the ejector blocks 6 are round blocks, and a push rod 7 is fixedly arranged at the center of the lower surfaces of the two ejector blocks 6, the lower extreme of two catch bars 7 all runs through to the inside of cavity and run through respectively to the inside of two cavity poles 4 and respectively with the upside fixed connection of two pistons 5, transversely be equipped with connecting pipe 8 between the pole wall downside of two cavity poles 4, and the both ends of connecting pipe 8 set up with the pole wall intercommunication of two cavity poles 4 respectively, the pole wall downside intercommunication that is located cavity pole 4 in the right side has intake pipe 9, the other end of intake pipe 9 runs through the top of cavity and extends to the top of lower mould 2, the pole wall of two catch bars 7 all is equipped with canceling release mechanical system.

Canceling release mechanical system includes fixed plate 10 and reset spring 11, fixed plate 10 level is fixed to be set up in the pole wall of catch bar 7 and is located the top of cavity pole 4, reset spring 11 symmetry is fixed to be set up in the upper surface left and right sides of fixed plate 10, the upper end of two reset springs 11 all with the top fixed connection of cavity, after the plastic part takes out, stop letting in gas in the intake pipe 9, receive extruded reset spring 11 this moment and can apply decurrent power for fixed plate 10, thereby can make the inside that the ejector block 6 resets and removes to the recess, the plastic part of moulding plastics once more is convenient for.

The one end that intake pipe 9 is located the outside of lower mould 2 is fixed to be equipped with coupling 12, and intake pipe 9 passes through coupling 12 and is connected with outside air supply equipment.

In the utility model, when in use, an external air source leads in air to the inside of the air inlet pipe 9 through the pipe joint 12 and leads in the two hollow rods 4, thereby pushing the two pistons 5 to move upwards and push up the material ejecting block 6 through the pushing rod 7, further ejecting the molded plastic part from the inside of the lower mold core 3, being convenient for a worker to take out the plastic part, and avoiding the phenomenon of damaging the plastic part; after the plastic part is taken out, stop letting in gas in the intake pipe 9, receive extruded reset spring 11 and can exert decurrent power for fixed plate 10 this moment to can make the inside that the ejector block 6 resets and remove to the recess, the plastic part of being convenient for to mould plastics once more.

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 demolding device for plastic part production comprises a lower die holder (1) and a lower die (2) and is characterized in that the lower die (2) is fixedly arranged on the upper surface of the lower die holder (1), the upper surface of the lower die (2) is provided with a lower die core (3), the inside of the lower die (2) is provided with a cavity below the lower die core (3), two hollow rods (4) are symmetrically and vertically arranged in the cavity, the lower ends of the two hollow rods (4) are fixedly arranged at the bottom of the cavity, pistons (5) are arranged in the two hollow rods (4) in a sliding manner, grooves are formed in the bottoms of the lower die cores (3) and correspond to the positions of the two hollow rods (4), ejector blocks (6) are arranged in the two grooves, and push rods (7) are fixedly arranged in the centers of the lower surfaces of the ejector blocks (6), two the lower extreme of catch bar (7) all runs through to the inside of cavity and runs through to two respectively the inside of cavity pole (4) and respectively with two the upside fixed connection of piston (5), two transversely be equipped with connecting pipe (8) between the pole wall downside of cavity pole (4), and the both ends of connecting pipe (8) respectively with two the pole wall intercommunication of cavity pole (4) sets up, is located the right side the pole wall downside intercommunication of cavity pole (4) has intake pipe (9), the other end of intake pipe (9) runs through the top of cavity and extends to the top of lower mould (2), two the pole wall of catch bar (7) all is equipped with canceling release mechanical system.

2. The demolding device for plastic part production according to claim 1, wherein the return mechanism comprises a fixing plate (10) and return springs (11), the fixing plate (10) is horizontally and fixedly arranged on the rod wall of the push rod (7) and located above the hollow rod (4), the return springs (11) are symmetrically and fixedly arranged on the left side and the right side of the upper surface of the fixing plate (10), and the upper ends of the two return springs (11) are fixedly connected with the top of the cavity.

3. The demolding device for plastic part production according to claim 1, wherein a pipe joint (12) is fixedly arranged at one end of the air inlet pipe (9) located outside the lower mold (2).

4. The demolding device for plastic part production as recited in claim 1, wherein the ejector block (6) and the groove are processed seamlessly.

5. The demolding device for plastic parts production as claimed in claim 1, wherein the ejector piece (6) is a circular piece.

6. The demolding device for plastic part production according to claim 1, wherein the air inlet pipe (9) is connected with an external air supply device through a pipe joint (12).