CN213288583U

CN213288583U - Pull rod mold structure

Info

Publication number: CN213288583U
Application number: CN202021168600.6U
Authority: CN
Inventors: 徐永君; 徐水道
Original assignee: Shanghai Langhua Mould Technology Co ltd
Current assignee: Shanghai Langhua Mould Technology Co ltd
Priority date: 2020-06-22
Filing date: 2020-06-22
Publication date: 2021-05-28
Anticipated expiration: 2030-06-22

Abstract

The utility model discloses a pull rod mould structure, including the pull rod mould main part, the pull rod mould main part includes upper die base and die holder, the bottom of upper die base is provided with the support template, the below of going up the support template is provided with dynamic template. This pull rod mould structure, be provided with the atmospheric pressure chamber way, the atmospheric pressure chamber way is located one side of blank runner, link to each other with the atmospheric pressure valve pipe, fill the pull rod die cavity in-process gradually at the blank, the inside air of die cavity can be crowded into the atmospheric pressure chamber way, can avoid the unable discharge of air like this, thereby form the bubble in the inside of blank, after the blank has filled the pull rod die cavity, will some clouts enter into and press the chamber way, at this moment alright pour into the blank into, at last inflate the pump to the atmospheric pressure chamber way through inflating, with the atmospheric pressure chamber say during clout discharges into the pull rod die cavity, play the effect of compensation, avoid the inside blank of die cavity to have hollow area, the solid quality of guarantee pull rod.

Description

Pull rod mold structure

Technical Field

The utility model relates to a pull rod mould technical field specifically is a pull rod mould structure.

Background

The pull rod is formed by pre-tightening combination, and the structure form, pre-tightening force selection, shoulder arrangement mode and the like of the pull rod can greatly influence the overall dynamic characteristics of the rotor. There are often a number of construction structures or materials in the construction of one type of construction material, and many construction structures or materials are constructed in the tie rod type. Such as single-layer cylindrical reticulated shells, diffraction grating rulers, and the like;

the existing pull rod is designed into an integrated casting structure, but the overall shape of the pull rod is irregular, and once the air in the die is not completely discharged, the interior of the pull rod is hollow after molding, so that the quality of a finished product of the pull rod is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pull rod mould structure to solve the founding structural design of the pull rod as an organic whole that proposes in the above-mentioned background art, but the whole shape of pull rod is irregular, in case the inside air of mould does not discharge completely, the pull rod will appear hollowly inside after the shaping, thereby influences the problem of the finished product quality of pull rod.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a pull rod mould structure, includes the pull rod mould main part, the pull rod mould main part includes upper die base and die holder, the bottom of upper die base is provided with the upper support template, the below of upper support template is provided with dynamic template, and dynamic template and upper support template pass through the screw rod with the upper die base and be connected, the bottom of dynamic template is provided with core insert, and core insert passes through the screw rod with dynamic template and is connected, the top of die holder is provided with the under bracing template, the top of under bracing template is provided with static template, and static template and under bracing template pass through the screw rod with the die holder and be connected, the bottom of static template is provided with cavity insert, and cavity insert and static template pass through the screw rod with and be connected.

Preferably, guide sleeves are arranged on two sides of the lower portion of the upper die base and connected with the upper die base through clamping grooves, guide pillars are arranged on two sides of the upper portion of the lower die base and connected with the lower die base through clamping grooves, and the guide sleeves are connected with the guide pillars in a sliding mode.

Preferably, the outer surfaces of the female mold core and the male mold core are provided with pull rod mold cavities, the two sides of the female mold core and the male mold core are provided with radiating fins, and the radiating fins extend into the female mold core and the male mold core.

Preferably, the top of upper die base is provided with the sprue, and one side of sprue is provided with the plenum pump, the plenum pump passes through pneumatic valve union coupling with the dynamic template.

Preferably, a blank runner is arranged inside the injection port, and the blank runner penetrates through the dynamic template and the core insert and extends to the surface of the pull rod die cavity.

Preferably, one side of the blank runner is provided with an air pressure cavity channel, the air pressure cavity channel is of an inclined structure, one end of the air pressure cavity channel extends to the surface of one side of the dynamic template, and the other end of the air pressure cavity channel extends to the surface of the pull rod die cavity.

Compared with the prior art, the beneficial effects of the utility model are that: this pull rod mould structure, be provided with the atmospheric pressure chamber way, the atmospheric pressure chamber way is located one side of blank runner, link to each other with the atmospheric pressure valve pipe, fill the pull rod die cavity in-process gradually at the blank, the inside air of die cavity can be crowded into the atmospheric pressure chamber way, can avoid the unable discharge of air like this, thereby form the bubble in the inside of blank, after the blank has filled the pull rod die cavity, will some clouts enter into and press the chamber way, at this moment alright pour into the blank into, at last inflate the pump to the atmospheric pressure chamber way through inflating, with the atmospheric pressure chamber say during clout discharges into the pull rod die cavity, play the effect of compensation, avoid the inside blank of die cavity to have hollow area, the solid quality of guarantee pull rod.

Drawings

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

FIG. 2 is a schematic view of the overall side-sectional structure of the present invention;

fig. 3 is a schematic view of the cavity insert of the present invention.

In the figure: 1. a tie rod mold body; 2. an upper die holder; 3. a lower die holder; 4. a lower supporting template; 5. an upper supporting template; 6. a static template; 7. a dynamic template; 8. a material injection port; 9. a pressurizing air pump; 10. a pneumatic valve tube; 11. a guide sleeve; 12. a guide post; 13. a cavity insert; 14. a core insert; 15. a heat dissipating fin; 16. a pull rod die cavity; 17. an air pressure cavity; 18. and (4) a blank runner.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a pull rod die structure comprises a pull rod die main body 1, wherein the pull rod die main body 1 comprises an upper die base 2 and a lower die base 3, an upper supporting template 5 is arranged at the bottom of the upper die base 2, a dynamic template 7 is arranged below the upper supporting template 5, the dynamic template 7 and the upper supporting template 5 are connected with the upper die base 2 through screws, a core insert 14 is arranged at the bottom of the dynamic template 7, the core insert 14 is connected with the dynamic template 7 through screws, the stability of the die is guaranteed, a lower supporting template 4 is arranged above the lower die base 3, a static template 6 is arranged above the lower supporting template 4, the static template 6 and the lower supporting template 4 are connected with the lower die base 3 through screws, a cavity insert 13 is arranged at the bottom of the static template 6, and the cavity insert 13 is connected with the static template 6 through screws, so that the stability;

the guide sleeves 11 are arranged on two sides below the upper die holder 2, the guide sleeves 11 are connected with the upper die holder 2 through clamping grooves, guide pillars 12 are arranged on two sides above the lower die holder 3, the guide pillars 12 are connected with the lower die holder 3 through clamping grooves, the guide sleeves 11 are connected with the guide pillars 12 in a sliding mode, pull rod die cavities 16 are arranged on the outer surfaces of the cavity insert 13 and the core insert 14, heat dissipation fins 15 are arranged on two sides of the cavity insert 13 and the core insert 14, the heat dissipation fins 15 extend into the cavity insert 13 and the core insert 14, the heat dissipation fins 15 are located on two sides of the cavity insert 13 and the core insert 14, heat of a blank can enter the cavity insert 13 and the core insert 14 in the cooling process, and then the heat can be dissipated through the heat dissipation fins 15 on the two sides, and the forming speed of;

the top of the upper die holder 2 is provided with a feeding port 8, one side of the feeding port 8 is provided with a pressurizing air pump 9, the pressurizing air pump 9 is connected with the dynamic template 7 through an air pressure valve tube 10, the other end of the air pressure valve tube 10 is connected with an air pressure cavity channel 17, a blank runner 18 is arranged inside the feeding port 8, the melted blank enters the blank runner 18 from the feeding port 8, the blank runner 18 is positioned at the top of the pull rod die cavity 16 on the male die core 14, so that the melt finally enters the pull rod die cavity 16 through the blank runner 18, the blank runner 18 penetrates through the dynamic template 7 and the male die core 14 and extends to the surface of the pull rod die cavity 16, one side of the blank runner 18 is provided with the air pressure cavity channel 17, the air pressure cavity channel 17 is of an inclined structure, the inclined air pressure cavity channel 17 structure can prevent the blank from flowing backwards, one end of the air pressure channel 17 extends to the surface of one side of, and the other end extends to the surface of the pull rod die cavity 16, the air pressure cavity channel 17 is positioned at one side of the blank runner 18 and is connected with the air pressure valve pipe 10, in the process that the blank is gradually filled into the pull rod die cavity 16, air in the die cavity can be extruded into the air pressure cavity channel 17, so that the air cannot be discharged, bubbles are formed in the blank, after the blank is filled into the pull rod die cavity 16, some residual materials enter the air pressure cavity channel 17, the blank can be stopped from being injected, finally, the air pressure cavity channel 17 is pressurized through the pressurizing air pump 9, the residual materials in the air pressure cavity channel 17 are discharged into the pull rod die cavity 16, the compensation effect is achieved, the blank in the die cavity is prevented from having a hollow area, and the solid quality of the pull rod is guaranteed.

The working principle is as follows: after the female die core 13 and the male die core 14 are attached, the melted blank enters the blank runner 18 from the injection port 8, the blank runner 18 is positioned at the top of the tie rod die cavity 16 on the male die core 14, then the melted material enters the tie rod die cavity 16 through the blank runner 18, the heat dissipation fins 15 are arranged on both sides of the female die core 13 and the male die core 14, the heat dissipation fins 15 extend to the interiors of the female die core 13 and the male die core 14, when the blank is cooled in the die cavity, the heat can enter the interiors of the female die core 13 and the male die core 14, at this time, the heat can be dissipated through the heat dissipation fins 15 on both sides, the forming speed of the blank is accelerated, meanwhile, in the process that the blank gradually fills the tie rod die cavity 16, the air in the die cavity can be squeezed into the air pressure cavity channel 17, so that the air can be prevented from being unable to be discharged, thereby forming air bubbles in the blank, and after the blank is filled in, some residual materials enter the air pressure cavity channel 17, the blank can be stopped being injected at this time, finally, the air pressure cavity channel 17 is pressurized through the pressurizing air pump 9, the residual materials in the air pressure cavity channel 17 are discharged into the pull rod die cavity 16, the compensation effect is achieved, the blank in the die cavity is prevented from having a hollow area, and the solid quality of the pull rod is guaranteed.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a pull rod mould structure, includes pull rod mould main part (1), its characterized in that: the pull rod die main body (1) comprises an upper die holder (2) and a lower die holder (3), an upper supporting template (5) is arranged at the bottom of the upper die holder (2), a dynamic template (7) is arranged below the upper supporting template (5), the dynamic template (7) and the upper supporting template (5) are connected with the upper die base (2) through screws, the bottom of the dynamic template (7) is provided with a male die core (14), the core insert (14) is connected with the dynamic template (7) through a screw, a lower supporting template (4) is arranged above the lower die seat (3), a static template (6) is arranged above the lower supporting template (4), the static template (6) and the lower supporting template (4) are connected with the lower die holder (3) through a screw rod, the bottom of the static template (6) is provided with a female die core (13), and the female die core (13) is connected with the static template (6) through a screw rod.

2. A tie rod die structure according to claim 1, wherein: guide sleeves (11) are arranged on two sides of the lower portion of the upper die base (2), the guide sleeves (11) are connected with the upper die base (2) through clamping grooves, guide pillars (12) are arranged on two sides of the upper portion of the lower die base (3), the guide pillars (12) are connected with the lower die base (3) through clamping grooves, and the guide sleeves (11) are connected with the guide pillars (12) in a sliding mode.

3. A tie rod die structure according to claim 1, wherein: the outer surfaces of the cavity insert (13) and the core insert (14) are provided with a pull rod die cavity (16), the two sides of the cavity insert (13) and the core insert (14) are provided with heat dissipation fins (15), and the heat dissipation fins (15) extend to the inner parts of the cavity insert (13) and the core insert (14).

4. A tie rod die structure according to claim 1, wherein: the top of upper die base (2) is provided with sprue (8), and one side of sprue (8) is provided with plenum pump (9), plenum pump (9) are connected through pneumatic valve pipe (10) with dynamic template (7).

5. The tie bar mold structure of claim 4, wherein: and a blank runner (18) is arranged in the injection port (8), and the blank runner (18) penetrates through the dynamic template (7) and the core insert (14) and extends to the surface of the pull rod die cavity (16).

6. The tie bar mold structure of claim 5, wherein: one side of the blank runner (18) is provided with an air pressure cavity channel (17), the air pressure cavity channel (17) is of an inclined structure, one end of the air pressure cavity channel (17) extends to the surface of one side of the dynamic template (7), and the other end of the air pressure cavity channel extends to the surface of the pull rod die cavity (16).