CN214562398U

CN214562398U - X-shaped sealing ring die

Info

Publication number: CN214562398U
Application number: CN202022269681.5U
Authority: CN
Inventors: 廖备铨
Original assignee: Xiamen Zhong Han Precision Industrial Co ltd
Current assignee: Xiamen Zhong Han Precision Industrial Co ltd
Priority date: 2020-10-13
Filing date: 2020-10-13
Publication date: 2021-11-02
Anticipated expiration: 2030-10-13

Abstract

The utility model discloses an X-shaped sealing ring mold, which belongs to the technical field of molds and comprises an upper mold and a lower mold which are integrally formed, wherein a plurality of aligned mold cavity units are respectively arranged on the working surfaces of the upper mold and the lower mold, each mold cavity unit comprises a cavity concavely arranged on the working surface and a mold core fixedly connected to the center of the bottom wall of the cavity, a circular boss fixedly connected to the middle of the mold core, a material distribution table arranged along the outer periphery of the mold core and a material storage groove concavely arranged between the boss and the material distribution table are arranged on the top of the mold core, and the tops of the boss and the material distribution table are parallel and level to the working surfaces; work as go up mould and bed die mould closed back, the cavity of going up the mould forms a confined shaping space with the cavity of bed die, and the longitudinal section in shaping space is X-shaped, the utility model discloses can effectively reduce the effect of X type sealing washer overlap, have the advantage that improves production quality.

Description

X-shaped sealing ring die

Technical Field

The utility model relates to the technical field of mold, especially X type seal ring mould.

Background

The X-shaped sealing ring is also called a star-shaped sealing ring, can be arranged in a special groove with smaller compression ratio for reducing friction force, but also can be used in an O-shaped ring groove with the same specification. The X-shaped sealing ring has lower friction force, can better overcome torsion and can obtain better lubrication; the sealing element can be used as a moving sealing element used at a lower speed, and is also suitable for being used as a static seal; at present, a plurality of die cavity units are generally arranged in the production process of the X-shaped ring, and the problems of product edge flash and the like easily occur in the material taking process.

In view of the above, the present inventors have designed an X-shaped seal ring mold, and have resulted in this disclosure.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problem, the technical scheme of the utility model is as follows:

the X-shaped sealing ring die comprises an upper die and a lower die which are integrally formed, wherein a plurality of aligned die cavity units are respectively arranged on the working surfaces of the upper die and the lower die, which are close to each other, the die cavity units comprise a cavity concavely arranged on the working surfaces and a die core fixedly connected to the center of the bottom wall of the cavity, the top of the die core is provided with a circular boss fixedly connected to the middle of the die core, a material distribution table arranged along the outer periphery of the die core and a material storage groove concavely arranged between the boss and the material distribution table, the top of the material distribution table is obliquely provided with a 45-degree chamfer towards the side edge of the boss, and the tops of the boss, the material distribution table and the cavity are flush with the working surfaces; when the upper die and the lower die are closed, a closed forming space is formed by the cavity of the upper die and the cavity of the lower die, and the longitudinal section of the forming space is X-shaped.

Preferably, the plurality of die cavity units are arranged in 6 groups on the working surface, each group is provided with 2 rows, and each row is provided with 14 columns of die cavity units.

Preferably, each group of die cavity units is provided with a flash tank which is concave outwards at the top of each cavity, the flash tank is cylindrical and takes the center line of the cavity as the axis, and a plurality of flash tanks are connected with each other to form a flash space.

Preferably, the height difference between the flash groove and the working surface is 3-5 filaments.

Preferably, the side of the top of the chamber near the overflow trough is provided with a bevel angle of 45-60 degrees.

Preferably, the four corners of the working surface of the lower die are provided with mounting holes, guide posts penetrate through the mounting holes, and guide holes matched with the guide posts are formed in the upper die in a penetrating mode.

Preferably, the mounting hole is provided with a large hole section arranged on the working surface and a small hole section connected with the large hole section, and the axes of the large hole section and the small hole section are overlapped.

The utility model discloses have integrated into one piece's last mould and bed die, last mould and bed die are provided with a plurality of die cavity units that align, die cavity unit includes the cavity that the concave working face that locates and the mold core of rigid coupling in cavity diapire central authorities, the mold core top is provided with the circular boss of rigid coupling in the middle of the mold core, the branch material platform that sets up along the mold core outer peripheral edges and the concave stock chest that locates between boss and branch material platform, divide the material platform top and incline towards the side of boss and be equipped with 45 degrees chamfers; when the production of carrying out X type circle, put the lower mould with solid rubber material, mould and bed die closed in the rethread, carry out hot briquetting to rubber, rubber will become liquid gradually at the process of heating, and rubber will flow to the stock chest on one side under the extrusion of boss this moment, and the cavity will be filled on the other side, owing to divide the material platform with be equipped with the chamfer, can reduce the connected area of stock chest and X type sealing washer, can effectively avoid the production of overlap.

Drawings

The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it.

Wherein:

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

FIG. 2 is a schematic structural view showing the forming space highlighted in the present embodiment, when the upper mold and the lower mold are in a mold closing state;

FIG. 3 is an enlarged schematic view of region A in FIG. 1;

FIG. 4 is an enlarged schematic view of region B in FIG. 1;

FIG. 5 is a schematic view showing the structure of the lower mold of the present embodiment;

fig. 6 is a schematic sectional structure view of a-a in fig. 5.

Description of reference numerals:

1. an upper die; 2. a lower die; 3. a mold cavity unit; 31. a chamber; 32. a mold core; 33. a boss; 34. a material distributing table; 35. oblique angle; 36. a storage tank; 37. chamfering; 38. a forming space; 4. a flash tank; 5. mounting holes; 51. a macroporous section; 52. a small pore section; 6. and (4) a guide hole.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention clearer and more obvious, the following description of the present invention with reference to the accompanying drawings and embodiments is provided for further details. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Please refer to fig. 1 to 6, which are taken as the best embodiment of the present invention, the X-shaped sealing ring mold comprises an upper mold 1 and a lower mold 2, which are integrally formed, wherein a plurality of aligned mold cavity units 3 are respectively disposed on the working surfaces of the upper mold 1 and the lower mold 2, the mold cavity units 3 include a cavity 31 concavely disposed on the working surfaces and a mold core 32 fixedly coupled to the center of the bottom wall of the cavity 31, a circular boss 33 fixedly coupled to the middle of the mold core 32 is disposed on the top of the mold core 32, a material distributing table 34 disposed along the outer periphery of the mold core 32, and a material storage tank 36 concavely disposed between the boss 33 and the material distributing table 34, a 45-degree chamfer 37 is obliquely disposed on the top of the material distributing table 34 and toward the side edge of the boss 33, and the tops of the boss 33, the material distributing table 34 and the cavity 31 are flush with the working surfaces; when the upper mold 1 and the lower mold 2 are closed, the cavity 31 of the upper mold 1 and the cavity 31 of the lower mold 2 form a closed forming space 38, and the longitudinal section of the forming space 38 is in an X shape.

As shown in fig. 3-5, the working surface of the plurality of die cavity units 3 is provided with 6 groups, each group is provided with 2 rows, each row is provided with 14 rows of die cavity units 3, the production of a plurality of X-shaped sealing rings can be synchronously realized by arranging the plurality of die cavity units 3, and the production efficiency can be effectively improved.

As shown in fig. 3-5, each cavity unit 3 is provided with a flash tank 4 at the top of each cavity 31, the flash tank 4 is cylindrical and takes the center line of the cavity 31 as the axis, the flash tanks 4 are connected to each other to form a flash space, the flash space can accommodate the remainder to prevent the remainder from overflowing, and the flash space can be connected to the remainder to remove the remainder when needed.

Further, the side edge of the top of the cavity 31, which is close to the overflow trough 4, is provided with a 45-degree oblique angle 35, and the oblique angle 35 can enable the excess material to be more easily discharged from the top of the cavity 31 to the overflow trough 4, so that the finished product quality is prevented from being influenced when the discharging is not in time.

3-5, the height difference between the flash groove 4 and the working surface is 3-5 wires, the flash groove 4 can be arranged according to the raw materials, and the height difference of the 3-5 wires can not only contain excess materials, but also prevent the waste of the raw materials.

As shown in fig. 6, mounting holes 5 are provided at four corners of the working surface of the lower die 2, guide posts penetrate through the mounting holes 5, guide holes 6 matched with the guide posts are formed through the upper die 1, the mounting holes 5 have a large hole section 51 formed on the working surface and a small hole section 52 connected with the large hole section 51, and the axes of the large hole section 51 and the small hole section 52 are overlapped with each other.

One specific application of this embodiment is:

the utility model discloses have integrated into one piece's top die 1 and bed die 2, top die 1 and bed die 2 are provided with a plurality of die cavity units 3 that align, die cavity unit 3 includes cavity 31 and the mold core 32 of rigid coupling in cavity 31 diapire central that concavely locates the working face, the mold core 32 top is provided with the circular boss 33 of rigid coupling in the middle of mold core 32, along the material separating table 34 that mold core 32 outer peripheral edges set up and concavely locate boss 33 and material separating table 34 between stock chest 36, material separating table 34 top and towards the side slope of boss 33 be equipped with 45 degrees chamfer 37; when the production of X type circle, with solid rubber material place bed die 2, the rethread mould 1 and bed die 2 mould closed, carry out hot briquetting to rubber, rubber will become liquid gradually at the process of heating, rubber will flow to stock chest 36 on one side under the extrusion of boss 33 this moment, and cavity 31 will be filled on the other side, because the branch material platform 34 with be equipped with chamfer 37, can reduce the area of being connected of stock chest 36 and X type sealing washer, can effectively avoid the production of overlap.

To sum up, the utility model discloses can effectively reduce the effect of X type sealing washer overlap, have the advantage that improves production quality.

The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above-mentioned manner, and various insubstantial improvements can be made without modification to the method and technical solution of the present invention, or the present invention can be directly applied to other occasions without modification, all within the scope of the present invention.

Claims

An X-shaped sealing ring die is characterized by comprising an upper die (1) and a lower die (2) which are integrally formed, the working surfaces of the upper die (1) and the lower die (2) which are close to each other are respectively provided with a plurality of aligned die cavity units (3), the die cavity unit (3) comprises a cavity (31) concavely arranged on the working surface and a die core (32) fixedly connected to the center of the bottom wall of the cavity (31), the top of the mold core (32) is provided with a round boss (33) fixedly connected in the middle of the mold core (32), a material distribution table (34) arranged along the outer periphery of the mold core (32) and a material storage groove (36) concavely arranged between the boss (33) and the material distribution table (34), a chamfer (37) with an angle of 45 degrees is obliquely arranged at the top of the material distribution table (34) and towards the side edge of the boss (33), the tops of the boss (33), the material distribution table (34) and the cavity (31) are flush with the working surface; when the upper die (1) and the lower die (2) are closed, a closed forming space (38) is formed by the cavity (31) of the upper die (1) and the cavity (31) of the lower die (2), and the longitudinal section of the forming space (38) is X-shaped.
2. An X-shaped sealing ring die as claimed in claim 1, wherein a plurality of die cavity units (3) are arranged in 6 groups on the working surface, each group is provided with 2 rows, and each row is provided with 14 columns of die cavity units (3).
3. The mold for the X-shaped sealing ring according to claim 2, wherein each set of the cavity units (3) is provided with a flash (4) at the top of each cavity (31) in a concave manner, the flash (4) is cylindrical and takes the center line of the cavity (31) as the axis, and a plurality of the flash (4) are connected with each other to form a flash space.
4. The X-shaped gasket mold according to claim 3, wherein the height difference between the flash groove (4) and the working surface is 3-5 filaments.
5. An X-shaped gasket mold according to claim 3, characterized in that the side of the top of the cavity (31) close to the flash (4) is provided with a bevel (35) of 45-60 degrees.
6. The X-shaped sealing ring die as claimed in claim 1, wherein four corners of the working surface of the lower die (2) are provided with mounting holes (5), guide posts penetrate through the mounting holes (5), and the upper die (1) is provided with guide holes (6) matched with the guide posts in a penetrating manner.
7. The X-shaped seal ring die as claimed in claim 6, wherein the mounting hole (5) is provided with a large hole section (51) arranged on the working surface and a small hole section (52) connected with the large hole section (51), and the axial centers of the large hole section (51) and the small hole section (52) are coincident with each other.