CN217169533U

CN217169533U - Auxiliary die opening locking mechanism

Info

Publication number: CN217169533U
Application number: CN202220483192.6U
Authority: CN
Inventors: 丁国强
Original assignee: Shanghai Aerospace Fenghua Technology Co ltd
Current assignee: Shanghai Aerospace Fenghua Technology Co ltd
Priority date: 2022-03-08
Filing date: 2022-03-08
Publication date: 2022-08-12
Anticipated expiration: 2032-03-08

Abstract

The utility model relates to a mould processing technology field specifically is an auxiliary mould opening latch mechanism, and mainly used improves the hasp wearing and tearing, improves life. The utility model discloses a front mould board, back template, the die cavity before having seted up in the front mould board be connected with the nylon fastener on the back template, the nylon fastener is located in the front mould intracavity, be equipped with the one way control structure in the front mould intracavity, the one way control structure is used for plugging up when the nylon fastener has the motion trend in the front mould intracavity the front mould cavity prevents that the air current from flowing towards the die cavity to reinforcing nylon fastener is to the effort of front template. The utility model discloses a die cavity before the singleness control structure makes the back template plug up when the motion, prevents that the air current from flowing forward the die cavity for form relative vacuum in the preceding die cavity, and then improve the pulling force of nylon fastener to preceding template, reduced the frictional force of nylon fastener with preceding die cavity, reduced the impaired dynamics of nylon fastener, eliminated because of the influence of the flying chip that wearing and tearing formed to product quality.

Description

Auxiliary die opening locking mechanism

Technical Field

The utility model relates to a mould processing technology field specifically is an auxiliary mould opening latch mechanism, and mainly used improves the hasp wearing and tearing, improves life.

Background

In the process of demoulding the plastic mould, a plurality of processes are often needed, when the mould is opened, the front template and the rear template need to move backwards at the same time, so as to drive the stripper plate to strip the material rod, and compared with the plastic mould which can strip materials step by step and is disclosed in the patent with the publication number of CN203496223U, one end of the resin shutter (namely, a nylon lock catch) is fixed on the fixed plate of the movable mould (namely, the rear template), and the other end of the resin shutter is sleeved on the base plate of the movable mould (namely, the front template). When the mold is in operation, the mold is withdrawn by the mold opening force of the injection molding machine. The resin shutter pulls the movable mold fixing plate to move together, and the stripper plate moves together with the movable mold fixing plate under the acting force of the linear spring and the flow channel.

The common mould stripper plate is locked and expanded by a nylon lock catch through a screw in use, and generates friction force with a straight-through hole on a front diaphragm plate, so that the stripper plate is driven to strip a material rod. In actual use, the nylon pulling blank is worn quickly, and the locking screw is adjusted frequently to generate nylon flying chips to influence the processing efficiency and the product quality.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an auxiliary die sinking latched device, mainly used improves the hasp wearing and tearing, improves life.

In order to solve the technical problem, the application provides an auxiliary die sinking latch mechanism, including preceding template, back template, seted up in the preceding template preceding die cavity be connected with the nylon lock catch on the back template, the nylon lock catch is located in the preceding die cavity, be equipped with the unidirectional control structure in the preceding die cavity, the unidirectional control structure is used for plugging up when the nylon lock catch has the motion trend in the preceding die cavity prevents that the air current from flowing forward the die cavity to reinforcing nylon lock catch is to the effort of preceding template.

In this application, make the back template plug up when the motion through single control structure preceding die cavity prevents that the air current from flowing towards the die cavity for form relative vacuum in the preceding die cavity, and then improve the pulling force of nylon fastener to preceding template, need not improve the frictional force of nylon fastener and preceding die cavity through bolt in the adjustment nylon fastener, reduced the impaired dynamics of nylon fastener, eliminated simultaneously because of wearing and tearing the influence of the flying chip that forms to product quality.

As preferred, preceding die cavity includes the hasp portion of holding and locates the control installation department of hasp portion of holding front end, the hasp portion of holding is used for holding the nylon fastener, be equipped with in the control installation department the single direction control structure, the single direction control structure is used for stifled when the nylon fastener backward motion the hasp portion of holding front end prevents that the air current from flowing towards the die cavity.

Preferably, the control installation part comprises a first installation part arranged at the front end of the lock catch accommodating part and a second installation part arranged at the front end of the first installation part, and the diameter of the first installation part is smaller than that of the second installation part.

Preferably, the unidirectional control structure is a plug structure.

Preferably, the plug structure comprises a plug seat and a plug body; the cock body is located in the first installation department, the cock seat is located in the second installation department.

Preferably, the diameter of the plug body is smaller than or equal to the diameter of the first mounting part; the diameter of cock seat is greater than the diameter of first installation department, is less than the diameter of second installation department.

Preferably, the plug is made of rubber.

Preferably, the one-way control structure is a one-way valve, and the one-way valve is arranged at the joint of the first installation part and the second installation part.

Preferably, the check valve is a tubular check valve.

The utility model discloses has following technological effect:

1. be equipped with the nylon lock in the hasp holding portion of preceding die cavity, the front end of hasp holding portion is located to the control installation department, be equipped with the one-way control structure in, when the back mould moves, the nylon lock has the trend of backward movement in the die cavity in the front, because the contact of nylon lock with preceding die cavity is inseparable relatively, when the nylon lock moves backward, adsorb the front end at hasp holding portion through single control structure in this application, prevent that the air current from getting into hasp holding portion, make the hasp holding portion form relative vacuum, and then can effectively prevent the nylon lock from taking place relative motion in the die cavity in the front, increase the pulling force of nylon lock to the front mould promptly, the pulling front mould is followed the mould and is moved together, simple structure easily realizes, can effectively reduce the impaired dynamics of nylon lock.

2. The control installation department is including locating the hasp portion of holding the front end the second installation department of first installation department front end, the diameter of first installation department is less than the diameter of second installation department, and the one-way control structure sets up in the second installation department, realizes the relative vacuum in the front mould intracavity through blockking up the less first installation department of diameter completely to improve the pulling force of nylon hasp, the demand of relative vacuum in the front mould intracavity is comparatively simple in this structure realization.

3. The one-way control structure is the stopper structure, and the stopper structure includes stopper seat and cock body, and in the second installation department was located to the cock body, the stopper seat was located in the first installation department, was convenient for make the hasp hold portion form relative vacuum when the back template motion.

4. The diameter of the cock body is less than or equal to the diameter of first installation department, the diameter of cock seat is greater than the diameter of first installation department and is less than the diameter of second installation department, when the back template moves, nylon lock catch has the trend of backward motion in the hasp holding portion, make the front end air current of hasp holding portion flow towards the hasp holding portion, be equivalent to nylon lock catch produces suction to the control installation department promptly, the cock body of absorption stopper gets into in the first installation department, and the cock seat blocks up the front end at first installation department completely, prevent air current to lockhole holding portion, and then realize forming relative vacuum in the hasp holding portion when the back template moves.

5. The stopper is the rubber material, and sealing performance is better, and the quality is light, is convenient for block up first installation department front end entry completely.

6. The one-way control structure is the check valve, and the handing-over department of first installation department and second installation department is located to the check valve, realizes that the air can only be flowed towards control installation department by the hasp portion of holding, and can not realize flowing towards hasp portion of holding by control installation department, is convenient for form relative vacuum and increase nylon lock's pulling force in the hasp portion of holding when the back mould moves.

Drawings

FIG. 1 is a schematic view of the nylon fastener structure.

Wherein, 1-front template; 1-1-front mold cavity; 1-11-a latch receiving portion; 1-12-a control mount; 1-121-a first mounting portion; 1-122-a second mount; 2-rear template; 3-nylon lock catch; 4-one-way control structure; 4-1-plug body; 4-2-plug seat.

Detailed Description

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. Unless otherwise defined, all terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that the conventional terms should be interpreted as having a meaning that is consistent with their meaning in the relevant art and this disclosure. This disclosure is to be considered as an example of the invention and is not intended to limit the invention to the particular embodiments.

The direction of the front template is defined as the front and the direction of the rear template is defined as the rear based on the position relationship of the front template and the rear template, so that the understanding is facilitated.

Example one

This embodiment provides an supplementary die sinking latched device, including preceding template, back template, preceding die cavity has been seted up in the preceding template be connected with the nylon fastener on the back template, the nylon fastener is located in the preceding die cavity, be equipped with the one-way control structure in the preceding die cavity, the one-way control structure is used for plugging up when the nylon fastener has the trend of motion in the preceding die cavity prevents that the air current from flowing towards the die cavity to reinforcing nylon fastener is to the effort of preceding template.

In the embodiment, one end of the nylon lock catch is fixedly connected with the rear template, and the other end of the nylon lock catch is movably connected with the front template; when the back template moves backward, strengthen the pulling force of nylon lock catch to the front template under the effect of unidirectional control structure, the template moves before the pulling, unidirectional control structure in this embodiment can only prevent that the air from flowing to the front die cavity in the front, does not cause the influence to flowing to the front die cavity from the rear for the front template can move forward alone, can not form the pulling force to the back template. The nylon fastener is equipped with the screw in for, and the screw overcoat is equipped with the bush, generally through the compressive capacity of adjusting the screw, adjusts the frictional force of nylon fastener and preceding die cavity inner wall, and then when making back template motion, the template moved together before the nylon fastener pulling. And then in this embodiment through make the interior relative vacuum that forms of preceding die cavity when the back mould moves and strengthen the effort of nylon lock catch to preceding template, reduce the demand to with preceding die cavity inner wall frictional force, and then reduce the impaired dynamics of nylon lock catch, prevent that the flying chips from influencing product quality.

Specifically, in this embodiment, preceding die cavity includes hasp holding portion and locates the control installation department of hasp holding portion front end, hasp holding portion is used for holding nylon lock buckle, be equipped with in the control installation department the one-way control structure, the one-way control structure is used for nylon lock buckle is stifled when moving backward the hasp holding portion front end prevents that the air current from flowing forward the die cavity. The front end of the hasp holding portion at nylon lock buckle place is located to the control installation department, and mainly used places the one-way control structure, and at the in-process of die sinking, the back template in this embodiment of at first control is whole with preceding template rearward movement together to the material pole is deviate from in the drive stripper plate, and in this embodiment, the utilization is placed the one-way control structure at hasp holding portion front end, and the realization preceding template is along with the rearward movement together of back template, and concrete principle is: when the back template rearward movement, be equivalent to "cylinder" structure between nylon fastener and the hasp portion of holding, the follow-up template rearward movement of nylon fastener necessarily produces the air of hasp portion of holding front end and flows towards hasp portion of holding direction, and the front end of hasp portion of holding is located to the one-way control structure in this embodiment, it flows towards hasp portion of holding direction to block up the air in other words, form the relative vacuum condition in the hasp portion of holding, and then restricted the nylon fastener and taken place relative motion in the hasp portion of holding, and nylon fastener and back template fixed connection, necessarily along with the back template rearward movement together, under the condition that the nylon fastener can not take place relative motion in the hasp portion of holding, the front template can only be along with the nylon fastener rearward movement together, the demand of the whole rearward movement of front template and back template has been realized promptly. The structure in this embodiment compares in the whole structure of backward motion together of template around realizing through the principle that utilizes the nylon lock to expand and increase the frictional force between the portion that holds with the hasp, and the frictional force demand between the chamber is less to nylon lock and hasp, and not fragile nylon lock has reduced nylon lock's maintenance consuming time, and has reduced the appearance of nylon flying chip for the product does not receive the influence of nylon flying chip, is favorable to product quality's improvement.

In this embodiment, in order to facilitate the air flow into the front end of the lock accommodating portion to form a relative vacuum structure through a single control structure, the control mounting portion includes a first mounting portion disposed at the front end of the lock accommodating portion and a second mounting portion disposed at the front end of the first mounting portion, and the diameter of the first mounting portion is smaller than that of the second mounting portion. The one-way control structure is arranged in the larger second installation part, and the air at the end of the second installation part is prevented from flowing towards the direction of the first installation part by plugging the smaller first installation part, so that the relative vacuum between the lock hole accommodating part and the nylon lock catch is ensured.

In this embodiment, the unidirectional control structure is a plug structure. Wherein the plug structure comprises a plug seat and a plug body; the cock body is located in the first installation department, the cock seat is located in the second installation department. Further, the diameter of the plug body is smaller than or equal to the diameter of the first mounting part; the diameter of cock seat is greater than the diameter of first installation department, is less than the diameter of second installation department. The concrete working mode of the one-way control structure of the plug structure is as follows: when the back template rearward movement, according to "cylinder" principle between nylon lock catch and the hasp portion of holding, the air that nylon lock catch template rearward movement produced hasp portion of holding front end afterwards flows towards hasp portion of holding direction, nylon lock catch produces suction to the control installation department direction towards the rearward movement promptly, the stopper structure is located in the second installation department in the control installation department, diameter because of its stopper seat is greater than the diameter of first installation department, the stopper is adsorbed to the front end of stifled at first installation department, can realize preventing that the air of second installation department direction from flowing towards first installation department direction, and then realize the relative vacuum structure in the lockhole portion of holding when nylon lock catch rearward movement through the stopper structure. In this embodiment, the plug is made of rubber. The relative quality of stopper of rubber material is lighter, is easily adsorbed, and the pliability of comparing the material is better, can attach closely in the front end of first installation department, and is better to the effect that prevents air admission lockhole portion of holding. In order to further reduce the mass of the plug so as to be better absorbed, the plug can be provided with a hollow structure in the embodiment, and the hollow structure can also ensure better blocking effect.

Example two

In this embodiment, the difference from the first embodiment is that the one-way control structure is a one-way valve, and the one-way valve is disposed at a joint of the first mounting portion and the second mounting portion. Check valve direct control air current can not follow the second installation department and flow towards first installation department, and it is better to block up the effect, can realize better when the nylon fastener moves backward that the formation of hasp holding portion is relative vacuum, increases the stability of being connected between nylon fastener and the preceding template. In order to facilitate the installation of the check valve in the tubular second installation part, in this embodiment, the check valve is a tubular check valve.

Although embodiments of the present invention have been described, various changes or modifications may be made by one of ordinary skill in the art within the scope of the appended claims.

Claims

1. The utility model provides an auxiliary die sinking latched device, includes front bezel, back template, set up in the front bezel the die cavity before the back template is last to be connected with the nylon fastener, the nylon fastener is located in the front bezel, its characterized in that:

the front mold cavity is internally provided with a one-way control structure, and the one-way control structure is used for blocking the front mold cavity when the nylon lock catch has a movement trend in the front mold cavity, so that air flow is prevented from flowing towards the front mold cavity, and the acting force of the nylon lock catch on the front mold plate is enhanced.

2. The auxiliary mold opening locking mechanism of claim 1, wherein:

preceding die cavity includes hasp holding portion and locates the control installation department of hasp holding portion front end, hasp holding portion is used for holding the nylon lock buckle, be equipped with in the control installation department the single direction control structure, the single direction control structure is used for stifled when the nylon lock buckle backward motion is in hasp holding portion front end prevents that the air current from flowing forward the die cavity.

3. The auxiliary mold opening locking mechanism of claim 2, wherein:

the control installation department is including locating the first installation department of hasp holding portion front end, locating the second installation department of first installation department front end, the diameter of first installation department is less than the diameter of second installation department.

4. The auxiliary mold opening locking mechanism of claim 3, wherein:

the one-way control structure is a plug structure.

5. The auxiliary mold opening locking mechanism of claim 4, wherein:

the plug structure comprises a plug seat and a plug body;

the cock body is located in the first installation department, the cock seat is located in the second installation department.

6. The auxiliary mold opening locking mechanism of claim 5, wherein:

the diameter of the plug body is smaller than or equal to that of the first mounting part;

the diameter of cock seat is greater than the diameter of first installation department, is less than the diameter of second installation department.

7. The auxiliary mold opening locking mechanism of claim 6, wherein:

the plug is made of rubber.

8. The auxiliary mold opening locking mechanism of claim 3, wherein:

the one-way control structure is a one-way valve, and the one-way valve is arranged at the joint of the first installation part and the second installation part.

9. The auxiliary mold opening locking mechanism of claim 8, wherein:

the check valve is a tubular check valve.