CN113232244B

CN113232244B - Sealing piece die for high-efficiency automatic production and demolding method thereof

Info

Publication number: CN113232244B
Application number: CN202110575137.XA
Authority: CN
Inventors: 史志华; 崔玉伟
Original assignee: Linyi Huafeng Sealing Technology Co ltd
Current assignee: Linyi Huafeng Sealing Technology Co ltd
Priority date: 2021-05-26
Filing date: 2021-05-26
Publication date: 2022-10-11
Anticipated expiration: 2041-05-26
Also published as: CN113232244A

Abstract

The invention relates to a sealing element mould for high-efficiency automatic production and a demoulding method thereof, wherein the mould comprises a fixed mould and a movable mould, the movable mould comprises a first template, a second template, a third template and a fourth template which are sequentially arranged, a forming mould cavity is arranged on the end surface of the first template, an opening is arranged at the bottom end of the mould cavity, an air sealing needle is fixedly connected onto the fourth template, the third template is connected with the fourth template through a spring, a groove extending towards the third template is arranged on the fourth template, a limiting bolt sliding along the moving direction of the movable mould is arranged in the groove, the limiting bolt is in threaded connection with the third template, a limiting nut on the limiting bolt is positioned in the groove, a vent hole communicated with the opening is arranged on the second template, and a nylon shutter inserted into the fixed mould is arranged on the second template. According to the invention, the opening is sealed by using the air sealing needle, and after the air sealing needle and the nylon shutter are opened, the mold is blown, so that the product can automatically fall off, automatic production is realized, the periodic fixation is ensured, and the product quality and efficiency are improved.

Description

Sealing piece die for high-efficiency automatic production and demolding method thereof

Technical Field

The invention relates to the field of processing and manufacturing, in particular to the technical field of sealing elements, and specifically relates to a sealing element die for high-efficiency automatic production and a demolding method thereof.

Background

A batch of sealing members are produced at present by using an original mould, but the original mould does not have an air needle, an air gun needs to be manually blown, automatic production cannot be realized, meanwhile, the production period is unfixed due to manual blowing, and the product reject ratio is high.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides the sealing element mould for high-efficiency automatic production and the demoulding method thereof, so that the product can automatically fall off, and the automatic production of the product is realized, thereby ensuring the fixation of the period and improving the quality and the efficiency of the product.

The invention is realized by the following technical scheme, the sealing element mould for high-efficiency automatic production comprises a fixed mould and a movable mould, wherein the movable mould comprises a first template, a second template, a third template and a fourth template which are sequentially arranged, a forming mould cavity is formed in the end surface of the first template, which is far away from the second template, an opening is formed in the bottom end of the mould cavity, an air sealing needle which sequentially penetrates through the third template and the second template and seals the opening is fixedly connected to the fourth template, the third template and the fourth template are connected through a spring, a groove extending towards the third template is formed in the fourth template, a limiting bolt sliding along the moving direction of the movable mould is arranged in the groove, the limiting bolt is in threaded connection with the third template, a limiting nut on the limiting bolt is positioned in the groove, a vent hole communicated with the opening is formed in the second template, the top surface of the second template is in contact with the fixed mould, and a nylon shutter inserted into the fixed mould is arranged on the top surface of the second template.

According to the invention, the opening is sealed by using the air sealing needle, and after the air sealing needle and the nylon shutter are opened, the mold is blown, so that the product can automatically fall off, and automatic production can be realized, thus the period fixation is ensured, and the product quality and efficiency are improved; through the arrangement of the spring and the limiting bolt, the air sealing needle is actively separated from the opening, so that compressed air can enter the die cavity more smoothly, and the compressed air directly blows out a product from the die cavity after the fixed die and the movable die are opened; meanwhile, due to the arrangement of the spring, when the pressure of the fourth template is relieved, the spring can push the fourth template to be far away from the third template at the first time, so that the gas sealing needle is separated from the die cavity at the first time, gas can enter the die cavity from the opening, the die structure is simplified, and the cost is saved; through the setting that the gas needle is fixed on the fourth template of sealing, compare with the setting that the gas needle passes through spring top to the die cavity of sealing, avoid the colloid when the pouring, the too big ejecting condition emergence of gas needle follow opening that will seal of pressure.

Preferably, the second template is provided with a second through hole for the air sealing needle to penetrate through, the first template is provided with a deep hole for the air sealing needle to insert into and communicate with the second through hole, a first sealing ring is arranged at the communication position of the deep hole and the second through hole, the second template is further provided with a second sealing ring, the air sealing needle penetrates through the second sealing ring, the diameter of the air sealing needle is matched with the inner diameter of the second sealing ring, and the communication position of the vent hole and the second through hole is located between the first sealing ring and the second sealing ring.

This preferred scheme passes through the setting of first sealing washer, realizes the sealed of deep hole and second perforation intercommunication department, through the setting of second sealing washer, realizes shutoff second perforation, makes compressed air flow in to the deep hole.

Preferably, the gas sealing needle is fixedly connected with a fixing plate, and the fixing plate is fixedly connected with the fourth template through a bolt. This preferred scheme is through the setting of fixed plate, is convenient for seal the loading and unloading of gas needle and fourth template.

Preferably, a pressure plate which is propped against the second sealing ring is further arranged below the second sealing ring. This preferred scheme passes through the setting of clamp plate, and the clamp plate itself convenient to detach to also be convenient for change the second sealing washer.

Preferably, the device further comprises a guide pillar penetrating through the fixed die and the movable die, and a guide sleeve is sleeved on the guide pillar. According to the preferred scheme, the guide sleeve and the guide column are arranged, so that the fixed die can be guided when moving.

A method of demolding a seal, comprising the steps of:

a. after injection is finished, the movable mold needs to move downwards, after extrusion on the fourth template is relieved, the compressed spring recovers deformation, so that the fourth template is driven to move downwards, meanwhile, the bottom of the groove bottom is pushed onto the limit nut, and the air sealing needle moves downwards along with the fourth template, so that an opening is opened;

b. continuously driving the fourth template to move downwards, driving the third template to move downwards through a limiting bolt by the fourth template so as to drive the first template and the second template to move downwards, and driving the nylon shutter to move downwards from the fixed die by the second template so as to open the fixed die and the movable die;

c. compressed air is introduced into the vent holes, enters the second through holes along the vent holes, enters the die cavity from the opening through the first through holes, and pushes the product to automatically separate from the die cavity.

The invention has the beneficial effects that: the opening is sealed through the use of the air sealing needle, after the air sealing needle and the nylon shutter are opened, the mold blows air, the product can automatically fall off, and automatic production can be realized, so that the periodic fixation is ensured, and the product quality and efficiency are improved; through the arrangement of the spring and the limiting bolt, the air sealing needle is actively separated from the opening, so that compressed air can enter the die cavity more smoothly, and the compressed air directly blows out a product from the die cavity after the fixed die and the movable die are opened; meanwhile, due to the arrangement of the spring, when the pressure of the fourth template is relieved, the spring can push the fourth template to be far away from the third template at the first time, so that the gas sealing needle is separated from the die cavity at the first time, gas can enter the die cavity from the opening, the die structure is simplified, and the cost is saved; through the arrangement that the air sealing needle is fixed on the fourth template, compared with the arrangement that the air sealing needle is pushed into the die cavity through the spring, the situation that the air sealing needle is pushed out of the opening under overlarge pressure when the colloid is poured is avoided; and the second through hole is plugged by arranging a second sealing ring, so that compressed air flows into the deep hole.

Drawings

FIG. 1 is a schematic structural view of the present invention;

shown in the figure:

1. the device comprises a first template, a second template, a third template, a fourth template, a spring, a 6, a gas sealing needle, a 7, a fixed seat, a 8, a die cavity, a 9, a deep hole, a 10, a vent hole, a 11, a first sealing ring, a 12, a second sealing ring, a 13, a pressing plate, a 14, a second through hole, a 15, a nylon shutter, a 16, a limit bolt, a 17 and a guide pillar.

Detailed Description

In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.

Referring to the attached drawing 1, the sealing element die for high-efficiency automatic production comprises a fixed die, a movable die and a guide pillar 17 penetrating through the fixed die and the movable die, wherein a guide sleeve is sleeved on the guide pillar 17, the movable die comprises a first die plate 1, a second die plate 2, a third die plate 3 and a fourth die plate 4 which are sequentially arranged, a forming die cavity 8 is formed in the end face, away from the second die plate 2, of the first die plate 1, an opening is formed in the bottom end of the die cavity 8, a fixed seat is fixedly connected to the fourth die plate 4, a gas sealing needle 6 which sequentially penetrates through the third die plate 3 and the second die plate 2 and seals the opening is fixedly connected to the fixed seat, the third die plate 3 is connected to the fourth die plate 4 through a spring 5, a groove extending towards the third die plate 3 is formed in the fourth die plate 4, a limiting bolt 16 sliding along the moving direction of the movable die is arranged in the groove, a limiting screw rod of the limiting bolt 16 extends upwards to penetrate through the fourth die plate 4 and is in threaded connection with the third die plate 3, a limiting nut on the limiting bolt 16 is located in the groove, and an air vent 10 communicated with the opening is formed in the second die plate 2.

The second template 2 is provided with a second through hole 14 through which the air sealing needle 6 penetrates, the first template 1 is provided with a deep hole 9 through which the air sealing needle 6 is inserted and communicated with the second through hole 14, a first sealing ring 11 is arranged at the communication position of the deep hole 9 and the second through hole 14, the second template 2 is further provided with a second sealing ring 12, the air sealing needle 6 penetrates through the second sealing ring 12, the diameter of the air sealing needle 6 is matched with the inner diameter of the second sealing ring 12, and the communication position of the vent hole 10 and the second through hole 14 is positioned between the first sealing ring 11 and the second sealing ring 12.

And the gas sealing needle 6 is fixedly connected with a fixed plate, and the fixed plate is fixedly connected with the fourth template 4 through a bolt.

A pressing plate 13 which is propped against the second sealing ring 12 is arranged below the second sealing ring 12, and a nylon shutter 15 which is inserted into the fixed die is arranged on the top surface of the second template which is contacted with the fixed die.

A heat insulation plate is arranged between the third template 3 and the fourth template 4, a third through hole for the penetration of the spring 5 is formed in the heat insulation plate, and a fourth through hole for the penetration of the limiting bolt 16 is formed in the heat insulation plate.

The demolding method of the sealing element mold for high-efficiency automatic production comprises the following steps of:

a. after injection is completed, the movable mold needs to move downwards, the distance between the limiting nut and the bottom of the groove is 5mm, after the fourth template 4 is extruded, the compressed spring 5 recovers deformation, the fourth template 4 is driven to move downwards by 5mm, meanwhile, the bottom of the groove is propped against the limiting nut, and the air sealing needle 6 moves downwards by 5mm along with the fourth template 4, so that an opening is opened;

b. continuously driving the fourth template 4 to move downwards, driving the third template 3 to move downwards by the fourth template 4 through the limiting bolt 16 so as to drive the first template 1 and the second template 2 to move downwards, and driving the nylon shutter 15 to move downwards from the fixed die by the second template 2 so as to open the fixed die and the movable die;

c. compressed air is let into the ventilation holes 10, which compressed air follows the ventilation holes 10 into the second perforations 14 and from the openings through the first perforations into the mould cavity 8, pushing the product out of the mould cavity 8.

Of course, the above description is not limited to the above examples, and the undescribed technical features of the present invention can be implemented by or using the prior art, and will not be described herein again; the above embodiments and drawings are only for illustrating the technical solutions of the present invention and not for limiting the present invention, and the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that changes, modifications, additions or substitutions within the spirit and scope of the present invention may be made by those skilled in the art without departing from the spirit of the present invention, and shall also fall within the scope of the claims of the present invention.

Claims

1. Sealing member mould is used in high efficiency automatic production, including cover half and movable mould, its characterized in that: the movable mould is including first template (1), second template (2), third template (3) that set gradually to and fourth template (4), set up shaping die cavity (8) on the terminal surface of second template (2) is kept away from in first template (1), the opening has been seted up to the bottom of die cavity (8), and the rigid coupling has to run through third template (3), second template (2) and shutoff open-ended gas seal needle (6) in proper order on fourth template (4), be connected through spring (5) between third template (3) and fourth template (4), set up the recess that extends to third template (3) on fourth template (4), be equipped with in the recess along the gliding spacing bolt (16) of movable mould moving direction, spacing bolt (16) and third template (3) threaded connection, spacing nut on spacing bolt (16) is located the recess, set up intercommunication open-ended air vent (10) on second template (2), the top surface of second template (2) and the top surface that is equipped with on the contact and the second template open-shut gas seal ware (15) that insert on the top surface of second template, nylon gas seal ware (6), and fixed plate (4) have the rigid coupling.

2. The seal mold for high efficiency automatic production according to claim 1, characterized in that: offer on second template (2) and supply to seal second perforation (14) that gas needle (6) run through, offer on first template (1) and supply to seal deep hole (9) that gas needle (6) inserted and communicate second perforation (14), the intercommunication department that deep hole (9) and second perforation (14) is equipped with first sealing washer (11), still be equipped with second sealing washer (12) on second template (2), seal gas needle (6) and run through second sealing washer (12), and the diameter of sealing gas needle (6) and the internal diameter adaptation of second sealing washer (12), air vent (10) and the intercommunication department that second perforation (14) is located between first sealing washer (11) and second sealing washer (12).

3. The seal mold for high efficiency automatic production according to claim 2, characterized in that: a pressure plate (13) which is propped against the second sealing ring (12) is also arranged below the second sealing ring (12).

4. The mold for sealing member of high efficiency automatic production according to claim 3, wherein: the device also comprises a guide post (17) penetrating through the fixed die and the movable die, and a guide sleeve is sleeved on the guide post (17).

5. The method for releasing a mold for a sealing member for high efficiency automatic production according to claim 4, comprising the steps of:

a. after injection is finished, the movable die needs to move downwards, after extrusion on the fourth template (4) is relieved, the compressed spring (5) recovers deformation, so that the fourth template (4) is driven to move downwards, meanwhile, the bottom of the groove is pushed onto the limit nut, the air sealing needle (6) moves downwards along with the fourth template (4), and an opening is opened;

b. continuously driving the fourth template (4) to move downwards, driving the third template (3) to move downwards by the fourth template (4) through a limiting bolt (16), so as to drive the first template (1) and the second template (2) to move downwards, and driving the nylon shutter (15) to move downwards from the fixed die by the second template (2), so as to open the fixed die and the movable die;

c. compressed air is introduced into the vent holes (10), enters the second through holes (14) along the vent holes (10) and enters the die cavity (8) from the opening through the deep holes, and pushes the product to automatically separate from the die cavity (8).