CN212498528U

CN212498528U - Molding ring forming tool

Info

Publication number: CN212498528U
Application number: CN202020946981.XU
Authority: CN
Inventors: 庞雪彬; 耿子明
Original assignee: Qingdao Hilywill Advanced Materials Technology Co ltd
Current assignee: Qingdao Hilywill Advanced Materials Technology Co ltd
Priority date: 2020-05-29
Filing date: 2020-05-29
Publication date: 2021-02-09
Anticipated expiration: 2030-05-29

Abstract

The utility model discloses a molding ring forming tool, which belongs to the technical field of forming tools, and the key points of the technical proposal are that the molding ring forming tool comprises an upper die and a lower die, wherein the middle part of the lower die is provided with a positioning column for sleeving a ring type rubber blank, and the lower surface of the upper die is provided with a positioning groove for being spliced with the positioning column; a plurality of annular cavities which are distributed around the positioning column are arranged between the lower die and the upper die, and annular communicating cavities which are respectively communicated with the two annular cavities are arranged between the adjacent annular cavities; the utility model discloses a setting of reference column, constant head tank and a plurality of cyclic annular die cavity, what can high-efficient guarantee the quality carries out the contour machining to the die ring.

Description

Molding ring forming tool

Technical Field

The utility model relates to a shaping frock technical field, in particular to mold ring shaping frock.

Background

In sealed trade application, type circle class sealing member occupies a large amount of markets, and in type circle class sealing member production process, its frock is a type circle in every chamber, when a large amount of a plurality of type circle products are produced simultaneously, not only needs a plurality of shaping frocks, occupies many production facility, a plurality of operating personnel, type circle need produce the gluey embryo of a plurality of different specifications moreover, and product dimensional stability is relatively poor. Therefore, the production efficiency of the ring is low, and the ring is high in energy consumption and low in output.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a type circle shaping frock, what can high-efficient guarantee the quality carries out contour machining to the type circle.

The above technical purpose of the present invention can be achieved by the following technical solutions: a molding ring forming tool comprises an upper die and a lower die, wherein a positioning column for sleeving a ring-type rubber blank is arranged in the middle of the lower die, and a positioning groove for being spliced with the positioning column is formed in the lower surface of the upper die; a plurality of annular cavities distributed around the positioning column are arranged between the lower die and the upper die, and annular communicating cavities respectively communicated with the two annular cavities are arranged between the adjacent annular cavities.

Through adopting above-mentioned scheme, through the setting of reference column and constant head tank, when carrying out the shaping man-hour to the type circle, adopt circle formula rubber blank, utilize around the cyclic annular die cavity and the cyclic annular intercommunication chamber that distribute around the reference column, will add the even extrusion of fused glue solution to each cyclic annular intercommunication intracavity to utilize one set of mould can a plurality of type circles of one shot forming, machining efficiency is high, the dimensional stability of shaping product is high.

Preferably, the cross-sections of the respective annular cavities are the same or different.

By adopting the scheme, the annular cavities with different cross sections are arranged, so that a group of tools can be used for producing various different specifications of the annular cavities at the same time, and the production efficiency is high.

Preferably, the cross sections of the upper die and the lower die are circular or regular polygons, and the number of sides of the regular polygons is at least four.

By adopting the scheme, the shape of the die with the cross section being circular or regular polygon is compact in arrangement and high in space utilization rate when a plurality of annular cavities are arranged.

Preferably, a mold locking mechanism is arranged between the upper mold and the lower mold, and comprises a plurality of upper positioning blocks positioned on the side surface of the upper mold and a plurality of lower positioning blocks positioned on the side surface of the lower mold; the lower positioning block is fixedly connected with the lower die, a connecting block is fixed on one side of the upper positioning block, which is close to the upper die, and the connecting block is fixedly connected with the upper die; the positioning structure is characterized in that a positioning groove is formed in the surface of one side, far away from the lower die, of the lower positioning block, a mounting hole is formed in the surface of one side, close to the lower positioning block, of the upper positioning block, a positioning convex column which is connected with the mounting hole in a sliding mode along the axis direction of the mounting hole is arranged in the mounting hole, and when the upper die and the lower die are buckled, the positioning convex column is connected with the positioning groove in an inserting.

Through adopting above-mentioned scheme, when last mould removes to setting up the position, peg graft through the location projection on the last connecting block and the positioning groove on the connecting block down, and then will go up mould and lower mould and carry out relatively fixed to mould and lower mould keep the compound die state, and then can better carry out contour machining to the type circle.

Preferably, the mounting hole is a blind hole, a positioning spring with the length direction along the length direction of the positioning convex column is fixed on the surface of one side, close to the upper positioning block, of the positioning convex column, and the other end of the positioning spring is fixedly connected with the hole bottom of the mounting hole; the bottom of the mounting hole is provided with an operating hole which axially penetrates through the upper positioning block, one end of the positioning convex column, which is far away from the lower positioning block, is fixedly provided with an operating handle, and the operating handle axially penetrates through the operating hole.

Through adopting above-mentioned scheme, through the setting of positioning spring, and then when going up the mould motion to setting up the position, the location projection is automatic to be pegged graft with the locating hole, through the setting of handle hole and operating handle, and then drags operating handle through the direction to keeping away from down the locating piece to make location projection and locating hole break away from, and then will go up mould and lower mould separation.

To sum up, the utility model discloses following beneficial effect has:

1. through the setting of reference column and constant head tank, when carrying out the shaping man-hour to the type circle, adopt the circle formula to glue the embryo, utilize around the cyclic annular die cavity and the cyclic annular intercommunication chamber that distribute of reference column, will heat the even extrusion of fused glue solution to each cyclic annular intercommunication intracavity to utilize one set of mould can a plurality of type circles of one shot forming, machining efficiency is high, the dimensional stability of shaping product is high.

2. Through the setting of locking module mechanism, after last mould and lower mould carry out the compound die, under positioning spring's effect, during the location projection inserted positioning groove to make last mould and lower mould keep the compound die state, and then better carry out the shaping to the type circle.

Drawings

FIG. 1 is a schematic structural view of example 1;

FIG. 2 is a schematic structural view of example 2;

fig. 3 is a schematic structural diagram of a mold clamping mechanism.

In the figure, 1, an upper die; 11. positioning a groove; 2. a lower die; 21. a positioning column; 3. an annular cavity; 4. an annular communicating cavity; 5. a mold locking mechanism; 51. an upper positioning block; 511. mounting holes; 512. an operation hole; 52. a lower positioning block; 521. a positioning groove; 53. connecting blocks; 54. positioning the convex column; 55. a positioning spring; 56. a handle is operated.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Example 1:

the utility model provides a section ring shaping frock, includes mould 1 and lower mould 2, goes up the cross section of mould 1 and lower mould 2 and is circular or regular polygon, and regular polygon's limit number is four at least. The middle part of lower mould 2 is provided with the reference column 21 that is used for cup jointing ring type rubber embryo, and the lower surface of last mould 1 is seted up the constant head tank 11 that is used for pegging graft with reference column 21. A plurality of annular cavities 3 which are distributed around the positioning column 21 are arranged between the lower die 2 and the upper die 1, and the cross sections of the annular cavities 3 are the same or different. An annular communicating cavity 4 which is respectively communicated with the two annular cavities 3 is arranged between the adjacent annular cavities 3. The ring-shaped rubber blank is sleeved on the positioning column 21, the upper die 1 and the lower die 2 are aligned and then are matched, the ring-shaped rubber blank is heated and melted, and after the rubber blank is melted, the rubber solution sequentially enters the annular cavities 3 through the annular communicating cavities 4, so that a plurality of connected ring-shaped rings are formed in one step. And taking out the molded ring from the ring molding tool, and then cutting and separating the rings.

Example 2:

a clamping mechanism 5 is arranged between the upper die 1 and the lower die 2. The mold clamping mechanism 5 includes a plurality of upper positioning blocks 51 located on the side of the upper mold 1 and a plurality of lower positioning blocks 52 located on the side of the lower mold 2. The lower positioning block 52 is fixedly connected with the lower die 2, a connecting block 53 is fixed on one side of the upper positioning block 51 close to the upper die 1, and the connecting block 53 is fixedly connected with the upper die 1. The surface of one side of the lower positioning block 52 far away from the lower die 2 is provided with a positioning groove 521, the surface of one side of the upper positioning block 51 near the lower positioning block 52 is provided with a mounting hole 511, and a positioning convex column 54 which is connected with the mounting hole 511 in a sliding manner along the axial direction of the mounting hole 511 is arranged in the mounting hole 511. The mounting hole 511 is a blind hole, a positioning spring 55 with the length direction along the length direction of the positioning convex column 54 is fixed on the surface of one side of the positioning convex column 54 close to the upper positioning block 51, and the other end of the positioning spring 55 is fixedly connected with the hole bottom of the mounting hole 511; an operation hole 512 axially penetrating through the upper positioning block 51 is formed in the bottom of the mounting hole 511, an operation handle 56 is fixed to one end, far away from the lower positioning block 52, of the positioning convex column 54, and the operation handle 56 axially penetrates through the operation hole 512.

After the upper die 1 is moved to the setting position, the positioning convex column 54 is inserted into the positioning groove 521 under the action of the positioning spring 55, and then the upper die 1 and the lower die 2 are relatively fixed in the die parting direction, so that the forming of the ring is better performed. After the molding process of the mold ring is completed, the operating handle 56 is pulled in a direction away from the lower mold 2, so that the positioning boss 54 is separated from the positioning groove 521, thereby performing a mold splitting operation on the upper mold 1 and the lower mold 2.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a section ring shaping frock, includes mould (1) and lower mould (2), its characterized in that: a positioning column (21) for sleeving a ring-shaped rubber blank is arranged in the middle of the lower die (2), and a positioning groove (11) for being spliced with the positioning column (21) is formed in the lower surface of the upper die (1); a plurality of annular cavities (3) distributed around the positioning column (21) are arranged between the lower die (2) and the upper die (1), and annular communicating cavities (4) respectively communicated with the two annular cavities (3) are arranged between the adjacent annular cavities (3).

2. The mold ring forming tool according to claim 1, characterized in that: the cross sections of the annular cavities (3) are the same or different.

3. The mold ring forming tool according to claim 1, characterized in that: the cross sections of the upper die (1) and the lower die (2) are circular or regular polygons, and the number of the sides of the regular polygons is at least four.

4. The mold ring forming tool according to claim 1, characterized in that: a mold locking mechanism (5) is arranged between the upper mold (1) and the lower mold (2), and the mold locking mechanism (5) comprises a plurality of upper positioning blocks (51) positioned on the side surface of the upper mold (1) and a plurality of lower positioning blocks (52) positioned on the side surface of the lower mold (2); the lower positioning block (52) is fixedly connected with the lower die (2), a connecting block (53) is fixed on one side, close to the upper die (1), of the upper positioning block (51), and the connecting block (53) is fixedly connected with the upper die (1); the surface of one side, far away from the lower die (2), of the lower positioning block (52) is provided with a positioning groove (521), the surface of one side, close to the lower positioning block (52), of the upper positioning block (51) is provided with a mounting hole (511), a positioning convex column (54) which is in sliding connection with the mounting hole (511) along the axis direction of the mounting hole (511) is arranged in the mounting hole (511), and when the upper die (1) and the lower die (2) are buckled, the positioning convex column (54) is connected with the positioning groove (521) in an inserting mode.

5. A type ring shaping frock according to claim 4, characterized in that: the mounting hole (511) is a blind hole, a positioning spring (55) with the length direction along the length direction of the positioning convex column (54) is fixed on the surface of one side, close to the upper positioning block (51), of the positioning convex column (54), and the other end of the positioning spring (55) is fixedly connected with the hole bottom of the mounting hole (511); an operation hole (512) axially penetrating through the upper positioning block (51) is formed in the bottom of the mounting hole (511), an operation handle (56) is fixed to one end, far away from the lower positioning block (52), of the positioning convex column (54), and the operation handle (56) axially penetrates through the operation hole (512).