CN212469606U

CN212469606U - Upper die rotary buckle type connecting structure of automobile gear precision forging die

Info

Publication number: CN212469606U
Application number: CN202021205171.5U
Authority: CN
Inventors: 陈祖勇
Original assignee: Yuhuan Kingtime Machinery Forging Co ltd
Current assignee: Yuhuan Kingtime Machinery Forging Co ltd
Priority date: 2020-06-24
Filing date: 2020-06-24
Publication date: 2021-02-05
Anticipated expiration: 2030-06-24

Abstract

The utility model belongs to the technical field of mechanical connection structures, in particular to an upper die rotary buckle type connection structure of an automobile gear precision forging die, which comprises a die core, a die sleeve, an inner core, a pressing ring, a die holder and a die head, an inner rotary buckle is arranged outside the die sleeve, an outer rotary buckle is arranged outside the pressing ring, a first tooth block and a second tooth block are respectively welded and fixed on the wall surfaces of the inner rotary buckle and the outer rotary buckle, the contact area between the first tooth block and the second tooth block is increased through the clamping action of the arc-shaped clamping block between the first tooth block and the second tooth block in the clamping groove, thereby the connection stability when interior spiral shell and the locking of outer spiral shell has been improved, simultaneously through the second sealing washer of installing additional in the circle groove between interior spiral shell, the outer spiral shell and the first sealing washer of installing additional in the circle groove between outer spiral shell and the clamping ring, effectively promoted between No. two tooth pieces and No. one tooth piece and between outer spiral shell and the clamping ring the connection leakproofness.

Description

Upper die rotary buckle type connecting structure of automobile gear precision forging die

Technical Field

The utility model belongs to the technical field of mechanical connection structure, concretely relates to mould spiral shell formula connection structure on car gear finish forging mould.

Background

The automobile gear has relatively small overall dimension, and the rigidity of a matched finish forging forming die is not strong enough, so the die is generally designed by adopting a combined connecting structure in the industry. The connection between each component of prior art's last mould, the mostly adopts suit plus connection structure of screw thread structure locking, this kind of connection structure is conventional structure, moreover, the steam generator is simple in structure, reliable, can satisfy the precision forging quality requirement completely, however, this kind of suit connection structure's mould, need make the components of a whole that can function independently when changing the mould at every turn and dismantle and just can realize the replacement, consequently, it is big to upgrade mould dismantlement work load, consuming time is many, to the production line, prior art's precision forging mould connection structure and production beat are not adapted, can not have too much downtime to be used for changing the dress mould, in present technical means, bulletin no: CN207695553U discloses an automotive gear precision forging die upper die rotary buckle type connection structure, which effectively improves the above problems, but still has some problems, the locking stability between the inner rotary buckle and the outer rotary buckle on the connection structure is not good, and the connection sealing performance between the inner rotary buckle and the outer rotary buckle and the connection sealing performance between the inner rotary buckle and the pressing ring are both poor, so that the application operation of the automotive gear precision forging die upper die rotary buckle type connection structure is reduced to a certain extent.

SUMMERY OF THE UTILITY MODEL

For solving the above-mentioned problem that exists among the prior art, the utility model provides an mould spiral shell formula connection structure on car gear finish forging mould has interior spiral shell and detains the characteristics that comparatively stability of locking and junction possess better leakproofness outward between the spiral shell.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an automobile gear finish forging mould goes up mould spiral shell formula connection structure, includes mold core, die sleeve, inner core, clamp ring, die holder and die head, interior spiral shell has been installed to the outside of die sleeve, the outside of clamp ring is provided with outer spiral shell, interior spiral shell with it also has a tooth piece and No. two tooth pieces to weld respectively on the wall of outer spiral shell, the top integrated into one piece of a tooth piece has the arc fixture block, in No. two tooth pieces with the draw-in groove has been seted up to the corresponding position department of arc fixture block, No. two the avris of tooth piece has seted up a circle groove, No. one circle inslot block is connected with the second sealing washer, the upper surface bonding of outer spiral shell is connected with first sealing washer, just seted up in the clamp ring with No. two circle grooves of first sealing washer assorted.

As the utility model discloses a go up mould rotary buckle formula connection structure preferred technical scheme of car gear finish forging mould, the butt fusion is fixed with the stop lever piece on the inner wall of outer rotary buckle, just the spacing groove has been seted up to the position that is close to the stop lever piece on the compact heap limit wall.

As the utility model discloses a go up mould rotary buckle formula connection structure preferred technical scheme of car gear finish forging mould, the size of arc fixture block with size phase-match in the draw-in groove.

As the utility model discloses a go up mould rotary buckle formula connection structure preferred technical scheme of car gear finish forging mould, a tooth piece with No. two tooth pieces all are provided with threely.

As the utility model discloses a preferred technical scheme of mould thread formula connection structure on car gear finish forging mould, the line that distributes on the inner circle table wall of interior thread and the screw thread that is equipped with on the die sleeve outer wall agrees with mutually.

As the utility model discloses a preferred technical scheme of mould spiral shell formula connection structure on car gear finish forging mould, the second sealing washer with first sealing washer is the rubber component.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses when using, through the joint effect of arc fixture block in the draw-in groove between a tooth piece and No. two tooth pieces, area of contact between a tooth piece and No. two tooth pieces has been increased, thereby the connection stability when having improved interior spinner and the locking of outer spinner, simultaneously through interior spinner, the second sealing washer of installing additional in the circle groove between the outer spinner and the first sealing washer of installing additional in the circle groove between outer spinner and the clamping ring, effectively promoted between No. two tooth pieces and a tooth piece and the connection leakproofness between outer spinner and the clamping ring, guaranteed to the high-efficient stable application operation of mould spinner knot formula connection structure on the car gear finish forging mould.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

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

FIG. 2 is a schematic structural view of a pressing ring portion of the present invention;

FIG. 3 is a schematic structural view of the connection portion between the inner turnbuckle and the outer turnbuckle of the present invention;

FIG. 4 is an enlarged schematic view of the structure at A in FIG. 2;

fig. 5 is an enlarged schematic view of the structure at B in fig. 2.

In the figure: 1. a mold core; 2. die sleeve; 3. an inner core; 4. a compression ring; 5. screwing in; 6. screwing out; 7. a die holder; 8. a die head; 9. a first tooth block; 10. an arc-shaped fixture block; 11. a second tooth block; 12. a card slot; 13. a limit rod block; 14. a first seal ring; 15. a second seal ring; 16. a first ring groove; 17. and a second ring groove.

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.

Examples

Referring to fig. 1-5, the present invention provides the following technical solutions: an upper die rotary buckle type connecting structure of an automobile gear finish forging die comprises a die core 1, a die sleeve 2, an inner core 3, a pressing ring 4, a die holder 7 and a die head 8, wherein an inner rotary buckle 5 is arranged outside the die sleeve 2, an outer rotary buckle 6 is arranged outside the pressing ring 4, a first tooth block 9 and a second tooth block 11 are respectively welded and fixed on the wall surfaces of the inner rotary buckle 5 and the outer rotary buckle 6, an arc-shaped clamping block 10 is integrally formed above the first tooth block 9, a clamping groove 12 is formed in the position, corresponding to the arc-shaped clamping block 10, in the second tooth block 11, a first ring groove 16 is formed in the side of the second tooth block 11, a second sealing ring 15 is connected in the first ring groove 16 in a clamping manner, a first sealing ring 14 is bonded and connected to the upper surface of the outer rotary buckle 6, and a second ring groove 17 matched with the first sealing ring 14 is formed in the pressing ring 4, the efficient and stable application operation of the upper die rotary buckle type connecting structure of the automobile gear precision forging die is ensured.

Specifically, the butt fusion is fixed with the gag lever post piece 13 on the inner wall of detaining 6 outward soon, and 4 limit grooves have been seted up near the position of gag lever post piece 13 on the wall to the clamping ring, and in this embodiment, certain restriction has been carried out for the position of detaining 6 outward soon to the cooperation of gag lever post piece 13, makes the removal process of detaining 6 outward soon more stable, difficult drift.

Specifically, the size of arc fixture block 10 and the size phase-match in the draw-in groove 12, in this embodiment, arc fixture block 10 increased the contact between a tooth piece 9 and No. two tooth pieces 11 in the in-process joint that locks into corresponding draw-in groove 12 to the stability of being connected when interior spiral shell 5 and the locking of outer spiral shell 6 has been improved.

Specifically, No. one tooth piece 9 and No. two tooth pieces 11 all are provided with threely, and in this embodiment, three tooth piece 9 and three No. two tooth pieces 11 all are the triangle-shaped and distribute, have guaranteed that follow-up ann tears the normal convenient going on of process open.

Specifically, the line that distributes on the inner circle table wall of interior spiral shell 5 agrees with mutually with the screw thread that is equipped with on the 2 outer walls of die sleeve, in this embodiment, utilizes the cooperation of connecing soon of line and screw thread, has guaranteed the normal fastening stable operation of interior spiral shell 5 on die sleeve 2.

Specifically, the second seal ring 15 and the first seal ring 14 are both rubber members, and in this embodiment, the second seal ring 15 and the first seal ring 14 made of rubber effectively improve the connection sealing performance between the second tooth block 11 and the first tooth block 9 and between the outer turnbuckle 6 and the pressing ring 4.

The utility model discloses a theory of operation and use flow: in the using process of the utility model, the upper die rotary buckle type connecting structure of the automobile gear precision forging die comprises a die core 1, a die sleeve 2, an inner core 3, a pressing ring 4, an inner rotary buckle 5, an outer rotary buckle 6, a die holder 7 and a die head 8, wherein the axial shapes of the teeth of a first tooth block 9 and a second tooth block 11 are arc blocks which radially extend out, when the die head 8 of the upper die needs to be replaced, the positioning and installation of the pressing ring 4 on the die holder 7 can be realized only by spirally adjusting the inner rotary buckle 5 to ensure that the part of the first tooth block 9 on the inner rotary buckle 5 is partially superposed with the part of the second tooth block 11 on the outer rotary buckle 6, wherein the part of the arc block 10 is clamped into a corresponding clamping groove 12, the contact between the first tooth block 9 and the second tooth block 11 is increased, thereby improving the connection stability when the inner rotary buckle 5 and the outer rotary buckle 6 are locked, otherwise, when the old die head 8 is disassembled, only the inner rotary buckle 5 is reversely rotated, the first tooth block 9 of the inner rotary buckle 5 and the second tooth block 11 of the outer rotary buckle 6 are staggered, the outer rotary buckle 6 can be moved axially downwards, the pressing ring 4 loses axial restraint, the pressing ring 4 is convenient to be drawn out quickly, an old die head 8 can be taken out easily, and a new die head 8 is replaced, in the connection process, the second sealing ring 15 additionally arranged in the first ring groove 16 between the inner rotary buckle 5 and the outer rotary buckle 6 and the first sealing ring 14 additionally arranged in the second ring groove 17 between the outer rotary buckle 6 and the pressing ring 4 effectively improve the connection sealing performance between the second tooth block 11 and the first tooth block 9 and between the outer rotary buckle 6 and the pressing ring 4, and the efficient and stable application operation of the rotary buckle type connection structure on the automobile gear precision forging die is guaranteed.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an mould revolves knot formula connection structure on car gear finish forging mould, includes mold core (1), die sleeve (2), inner core (3), clamp ring (4), die holder (7) and die head (8), its characterized in that: an inner rotary buckle (5) is arranged outside the die sleeve (2), an outer rotary buckle (6) is arranged outside the pressing ring (4), the wall surfaces of the inner rotary buckle (5) and the outer rotary buckle (6) are respectively welded and fixed with a first tooth block (9) and a second tooth block (11), an arc-shaped clamping block (10) is integrally formed above the first tooth block (9), a clamping groove (12) is formed in the position, corresponding to the arc-shaped clamping block (10), in the second tooth block (11), a first ring groove (16) is formed in the side of the second tooth block (11), a second sealing ring (15) is connected in a clamping manner in the first ring groove (16), the upper surface of the external turnbuckle (6) is bonded and connected with a first sealing ring (14), and a second ring groove (17) matched with the first sealing ring (14) is formed in the pressing ring (4).

2. The automotive gear precision forging die upper die thread type connecting structure according to claim 1, wherein: the inner wall of the outer rotary buckle (6) is fixedly provided with a limiting rod block (13) in a welding mode, and a limiting groove is formed in the position, close to the limiting rod block (13), on the side wall of the pressing ring (4).

3. The automotive gear precision forging die upper die thread type connecting structure according to claim 1, wherein: the size of the arc-shaped clamping block (10) is matched with the size in the clamping groove (12).

4. The automotive gear precision forging die upper die thread type connecting structure according to claim 1, wherein: the number of the first tooth blocks (9) and the number of the second tooth blocks (11) are three.

5. The automotive gear precision forging die upper die thread type connecting structure according to claim 1, wherein: the lines distributed on the inner ring surface wall of the inner turn buckle (5) are matched with the threads arranged on the outer wall of the die sleeve (2).

6. The automotive gear precision forging die upper die thread type connecting structure according to claim 1, wherein: the second seal ring (15) and the first seal ring (14) are both rubber members.