CN215849422U - Automatic demoulding mechanism for side baffle of injection mould of three-way pipe fitting - Google Patents

Abstract

An automatic demoulding mechanism for a side baffle of an injection mould of a three-way pipe fitting comprises an upper compound plate and a lower compound plate, wherein a fixed mould plate and an inclined guide post are arranged below the upper compound plate, a fixed mould core is arranged in a fixed mould insert arranged below the fixed mould plate, a mould foot, an upper thimble plate, a lower thimble plate and an ejector pin are arranged on the lower compound plate, a movable mould plate and a movable mould insert are arranged on a backing plate arranged on the mould foot, a side core pulling slide block is arranged on the movable mould plate, an inclined guide hole is formed in the side core pulling slide block, one side of the side core pulling slide block is connected with a side core pulling core, a movable mould core is arranged in the movable mould insert, and the three-way pipe fitting is arranged among the fixed mould insert, the fixed mould core, the movable mould insert, the movable mould core and the side core pulling core, the side walls of the upper compound plate, the fixed template, the movable template and the base plate are provided with a secondary die opening control device of the die, the movable template is provided with a baffle plate, the baffle plate is provided with a core groove, the core groove is matched with the lower part of the side pumping core, and the inner side wall of the baffle plate is matched with a side joint of the three-way pipe fitting.

Description

Automatic demoulding mechanism for side baffle of injection mould of three-way pipe fitting

Technical Field

The utility model relates to an injection mold, in particular to an automatic demolding mechanism for a side baffle of an injection mold of a three-way pipe fitting.

Background

When injection mold makes tee bend pipe fitting, be the tee bend pipe fitting with erect state injection moulding usually, after the mould die sinking, the tee bend pipe fitting follows the movable mould and moves, the cover half core is taken off earlier to the top connection of tee bend pipe fitting, the side joint of tee bend pipe fitting is taken out by the side slider of loosing core again, it is ejecting together upwards through thimble structure with the waste material handle in tee bend pipe fitting and the runner at last, the movable mould core is deviate from to the lower joint of tee bend pipe fitting during ejecting, cut tee bend pipe fitting and waste material handle by the manual work at last, the shortcoming that this structure exists is: the waste material handle needs to be cut off manually, so that the labor intensity of workers is increased, the labor cost is improved, and the production efficiency is reduced.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art and provide the automatic demolding mechanism for the side baffle of the injection mold of the three-way pipe fitting, which reduces the labor intensity of workers, reduces the labor cost and improves the production efficiency.

The technical scheme of the automatic demoulding mechanism for the side baffle of the injection mould of the three-way pipe fitting is as follows: the mold comprises an upper compound plate and a lower compound plate, wherein a fixed mold plate and an inclined guide post are arranged below the upper compound plate, a fixed mold insert is arranged below the fixed mold plate, a fixed mold core is arranged in the fixed mold insert, mold feet are arranged on the lower compound plate, an upper thimble plate, a lower thimble plate and thimbles are arranged on the lower compound plate between the mold feet, a backing plate is arranged on the mold feet, a movable mold plate and a movable mold insert are arranged on the backing plate, a side core-pulling slide block is arranged on the movable mold plate, an inclined guide hole is formed in the side core-pulling slide block and matched with the inclined guide post, one side of the side core-pulling slide block is connected with the side core-pulling core, a movable mold core is arranged in the movable mold insert, injection-molded tee pipe fittings are arranged among the fixed mold insert, the fixed mold core, the movable mold insert, the movable mold core and the side core-pulling core, the tee pipe fittings are provided with an upper joint, a lower joint and a side joint, secondary mold opening control device of the mold is arranged on the side wall of the upper compound plate, a baffle plate is arranged on the movable mold plate, the baffle is provided with a core groove which is matched with the lower part of the side pumping core, and the inner side wall of the baffle is matched with the side joint of the three-way pipe fitting.

The utility model discloses an automatic demoulding mechanism for a side baffle of an injection mould of a three-way pipe fitting, when the three-way pipe fitting is subjected to injection moulding, a lower compound plate drives mould feet, an upper ejector plate, a lower ejector plate, an ejector pin, a base plate, a movable mould insert, a movable mould core and a waste material handle to move downwards, a movable mould plate is kept stationary with a fixed mould plate under the control of a secondary mould opening control device (the specific structure of the secondary mould opening control device is the prior art), the movable mould plate drives a side core-pulling slide block, the side core-pulling core and the three-way pipe fitting to be kept stationary, the mould is firstly subjected to first mould opening from the positions of the movable mould plate and the base plate, a lower joint of the three-way pipe fitting is separated from the movable mould core, the three-way pipe fitting is disconnected with the waste material handle (namely cooled rubber material in a flow channel) to realize automatic breaking, the secondary mould opening control device controls the movable mould plate to move along with the base plate, and then the mould is subjected to second mould opening between the movable mould plate and the fixed mould plate, the movable mould plate drives the side core-pulling slide block, the side core-pulling slide block and the tee pipe fitting to move downwards, so that an upper joint of the tee pipe fitting is separated from the fixed mould core, meanwhile, under the matching of the inclined guide pillar and the inclined guide hole, the side core-pulling slide block is driven to gradually move outwards, the side core-pulling slide block is driven to drive the side core-pulling slide block and the tee pipe fitting to move outwards, when the side joint of the tee pipe fitting is in contact with the baffle, the baffle blocks the tee pipe fitting to stop moving, the side core-pulling slide block is driven to pull out the side joint, after core pulling is completed, the tee pipe fitting automatically falls into the containing box downwards, and the power drives the upper ejector pin plate, the lower ejector pin plate and the ejector pin to move upwards, and the waste handle is ejected out of a mould by the ejector pin. This scheme tee bend pipe fitting injection mold side baffle automatic demoulding mechanism divides the mould twice die sinking, and during the first die sinking, the lower clutch of tee bend pipe fitting just deviate from the movable mould core, realizes automatic snapping with the waste material handle, need not artifical material of cutting, saves the cost of labor, improves production efficiency, and during the secondary die sinking, under the baffle effect, the automatic side of deviating from of tee bend pipe fitting takes out the core to automatic blanking need not ejecting structure, and the structure is simpler.

The utility model discloses an automatic demoulding mechanism for a side baffle of an injection mould of a three-way pipe fitting, wherein a control device comprises a fixed drag hook arranged on the side walls of an upper compound plate and a fixed mould plate, an installation groove is formed in the side wall of a movable mould plate, a spring and a bayonet lock are arranged in the installation groove, the spring is contacted with one end of the bayonet lock, the other end of the bayonet lock is provided with an upper inclined surface and a lower straight surface, the lower straight surface is matched with the fixed drag hook, a pin releasing rod is arranged on the side wall of a base plate, a barb is arranged on the pin releasing rod, the barb is provided with a lower inclined surface, and the lower inclined surface is matched with the upper inclined surface of the bayonet lock. When the lower compound plate drives the die legs, the upper ejector retainer plate, the lower ejector retainer plate, the ejector pins, the base plate, the movable die insert and the movable die core to move downwards, the movable die plate is driven to stop moving through the cooperation of the fixed drag hooks and the lower straight surface of the bayonet pins, so that the die is opened at the position of the driven die plate and the base plate for the first time, the lower joint of the three-way pipe fitting is separated from the movable die core, when the die is opened to a specified position for the first time, the lower inclined surface on the barb of the pin releasing rod is matched with the upper inclined surface of the bayonet pins, the barb pushes the bayonet pins to retract into the mounting groove, the spring is extruded, the bayonet pins are released from the fixed drag hooks, the movable die plate moves downwards along with the base plate at the moment, and the die is opened at the position of the driven die plate and the fixed die plate for the second time.

Drawings

FIG. 1 is a schematic structural diagram of an automatic demolding mechanism for a side baffle of an injection mold for a tee pipe fitting, according to the utility model;

FIG. 2 is a schematic cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is a schematic perspective view showing the fitting state of the movable die plate, the movable die insert, the movable die core, the side core-pulling slide block, the side core-pulling core and the tee pipe fitting;

FIG. 4 is a perspective view of the side draw core drawing the side fitting of the tee through the baffle;

FIG. 5 is a schematic diagram of the construction of a tee.

Detailed Description

The utility model relates to an automatic demoulding mechanism for a side baffle of an injection mould of a three-way pipe fitting, which comprises an upper compound plate 1 and a lower compound plate 2, wherein a fixed mould plate 3 and an inclined guide post 4 are arranged below the upper compound plate, a fixed mould insert 5 is arranged below the fixed mould plate, a fixed mould core 6 is arranged in the fixed mould insert, mould feet 7 are arranged on the lower compound plate, an upper thimble plate 8, a lower thimble plate 9 and thimbles 10 are arranged on the lower compound plate between the mould feet, a backing plate 11 is arranged on the mould feet, a movable mould plate 12 and a movable mould insert 13 are arranged on the backing plate, a side core-pulling slide block 14 is arranged on the movable mould plate, an inclined guide hole 15 is formed in the side core-pulling slide block, the inclined guide hole is matched with the inclined guide post 4, one side of the side core-pulling slide block is connected with a side core 16, a movable mould core 17 is arranged in the movable mould insert 13, an injection-moulded three-way pipe fitting 18 is arranged between the fixed mould insert 5, the fixed mould core 6, the movable mould insert 13, the movable mould insert 17 and the side core 16, the tee pipe fitting is provided with an upper joint 19, a lower joint 20 and a side joint 21, the side walls of the upper compound plate 1, the fixed template 3, the movable template 12 and the base plate 11 are provided with a secondary die opening control device of a die, the movable template 12 is provided with a baffle plate 22, the baffle plate is provided with a core groove 23, the core groove is matched with the lower part of the side core pumping 16, and the inner side wall of the baffle plate is matched with the side joint 21 of the tee pipe fitting 18. After the three-way pipe fitting 18 is injection molded, the lower compound plate 2 drives the die feet 7, the upper ejector plate 8, the lower ejector plate 9, the ejector pins 10, the backing plate 11, the movable die insert 13, the movable die core 17 and the waste material handle to move downwards, the movable die plate 12 is kept stationary with the fixed die plate 3 under the control of a secondary die opening control device (the specific structure of the secondary die opening control device is the prior art), the movable die plate drives the side core-pulling slide block 14, the side core-pulling slide block 16 and the three-way pipe fitting 18 to be kept stationary, so that the die firstly carries out the first die opening on the position of the movable die plate 12 and the backing plate 11, the lower joint 20 of the three-way pipe fitting 18 is separated from the movable die core 17, the three-way pipe fitting is disconnected with the waste material handle (namely cooled rubber material in a flow channel), the automatic die-breaking is realized, at the moment, the secondary die opening control device controls the movable die plate 12 to move along with the backing plate 11, and carries out the second die opening between the movable die plate and the fixed die plate 3, the movable mould plate drives the side core-pulling slide block 14, the side core-pulling slide block 16 and the three-way pipe 18 to move downwards, so that an upper joint 19 of the three-way pipe is separated from the fixed mould core 6, meanwhile, under the matching of the inclined guide post 4 and the inclined guide hole 15, the side core-pulling slide block 14 is driven to gradually move outwards, the side core-pulling slide block drives the side core-pulling slide block 16 and the three-way pipe 18 to move outwards, when the side joint 21 of the three-way pipe is in contact with a baffle 22, the baffle blocks the three-way pipe to stop moving, so that the side core-pulling slide block 16 pulls out the side joint 21, after core pulling is completed, the three-way pipe automatically falls into the containing box downwards, and the upper ejector pin plate, the lower ejector pin plate 8, 9 and the ejector pin 10 are driven by power to move upwards, and the waste material handles are ejected out of the mould. This scheme tee bend pipe fitting injection mold side baffle automatic demoulding mechanism divides the mould twice die sinking, and during the first die sinking, movable mould core 17 just is deviate from to the lower clutch 20 of tee bend pipe fitting 18, realizes automatic snapping with the waste material handle, need not artifical shearing material, saves the cost of labor, improves production efficiency, and during the second die sinking, under baffle 22 effect, the tee bend pipe fitting is automatic deviate from the side and is taken out core 16 to automatic blanking need not ejecting structure, and the structure is simpler. The control device comprises a fixed drag hook 24 arranged on the side wall of the upper compound plate 1 and the side wall of the fixed template 3, a mounting groove 25 is arranged on the side wall of the movable template 12, a spring 26 and a bayonet 27 are arranged in the mounting groove, the spring is contacted with one end of the bayonet, an upper inclined plane 28 and a lower straight plane 29 are arranged at the other end of the bayonet, the lower straight plane is matched with the fixed drag hook 24, a pin releasing rod 30 is arranged on the side wall of the backing plate 11, a barb 31 is arranged on the pin releasing rod, a lower inclined plane 32 is arranged on the barb, and the lower inclined plane is matched with the upper inclined plane 28 of the bayonet. When the lower compound plate 2 drives the die feet 7, the upper ejector retainer plate 8, the lower ejector retainer plate 9, the ejector pins 10, the base plate 11, the movable die insert 13 and the movable die core 17 to move downwards, the movable die plate 12 is driven to stop moving through the cooperation of the fixed drag hooks 24 and the lower straight surfaces 29 of the clamp pins 27, so that the die is opened at the position of the driven die plate and the base plate 11 for the first time, the lower joint 20 of the three-way pipe 18 is separated from the movable die core 17 at the moment, when the die is opened to a specified position for the first time, the lower inclined surfaces 32 on the barb 31 of the pin release rod 30 are matched with the upper inclined surfaces 28 of the clamp pins 27, the barb pushes the clamp pins to retract into the mounting grooves 25, the spring 26 is extruded, the clamp pins are separated from the fixed drag hooks 24, at the moment, the movable die plate 12 moves downwards along with the base plate 11, and the die is opened at the position of the driven die plate and the fixed die plate 3 for the second time.

Claims (2)

1. An automatic demoulding mechanism for a side baffle of an injection mould of a three-way pipe fitting comprises an upper compound plate (1) and a lower compound plate (2), wherein a fixed mould plate (3) and an inclined guide post (4) are arranged below the upper compound plate, a fixed mould insert (5) is arranged below the fixed mould plate, a fixed mould core (6) is arranged in the fixed mould insert, mould feet (7) are arranged on the lower compound plate, an upper thimble plate (8), a lower thimble plate (9) and thimbles (10) are arranged on the lower compound plate between the mould feet, a backing plate (11) is arranged on the mould feet, a movable mould plate (12) and a movable mould insert (13) are arranged on the backing plate, a side core-pulling slide block (14) is arranged on the movable mould plate, an inclined guide hole (15) is formed in the side core-pulling slide block, the inclined guide hole is matched with the inclined guide post (4), one side of the side core-pulling slide block is connected with the side core (16), a movable mould core (17) is arranged in the movable mould insert (13), the fixed mould insert (5), the fixed mould core (6), There are injection moulding's tee bend pipe fitting (18) between movable mould insert (13), movable mould core (17), the core (16) is taken out to the side, and the tee bend pipe fitting system has top connection (19), lower clutch (20) and side joint (21), its characterized in that: the side walls of the upper compound plate (1), the fixed template (3), the movable template (12) and the base plate (11) are provided with a secondary die opening control device of a die, the movable template (12) is provided with a baffle (22), the baffle is provided with a core groove (23), the core groove is matched with the lower part of the side pumping core (16), and the inner side wall of the baffle is matched with a side joint (21) of the three-way pipe (18).

2. The automatic demolding mechanism for the side baffle plate of the injection mold of the three-way pipe fitting as claimed in claim 1, wherein: controlling means include that the lateral wall at last compound board (1) and fixed die plate (3) sets up fixed drag hook (24), lateral wall at movable mould board (12) is opened has mounting groove (25), set up spring (26) and bayonet lock (27) in the mounting groove, the spring contacts with one end of bayonet lock, another system of bayonet lock has inclined plane (28) and straight face (29) down, straight face cooperatees with fixed drag hook (24) down, set up in backing plate (11) lateral wall and take off pin pole (30), it has barb (31) to take off to make on the pin pole, barb system has inclined plane (32) down, the last inclined plane (28) of lower inclined plane and bayonet lock cooperate.

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