CN214645109U

CN214645109U - Die for preparing air bag

Info

Publication number: CN214645109U
Application number: CN202023040155.8U
Authority: CN
Inventors: 孙德友
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-17
Filing date: 2020-12-17
Publication date: 2021-11-09
Anticipated expiration: 2030-12-17

Abstract

The utility model relates to the technical field of dies, in particular to a die for preparing an air bag, which comprises a die core, an upper die base and a lower die base which are arranged oppositely, wherein the upper die base and the lower die base both comprise a limiting ring and a clamping ring, and the clamping ring is arranged at the periphery of the limiting ring; a cavity is arranged in the center of the mold core, and the limiting ring is arranged in the cavity in an attaching manner; the upper side and the lower side of the mold core are respectively provided with an annular clamping groove, and the clamping ring is clamped in the clamping grooves; a plurality of lug plates are arranged on the limiting ring of the lower die holder along the circumferential direction, grooves matched with the lug plates are formed in the clamping ring of the lower die holder, the lug plates are arranged in the grooves, and the lug plates are in threaded connection with the grooves. The lower die base is designed into a detachable structure, the limiting ring of the lower die base can be detached, and the die can be smoothly drawn out by horizontally sliding the cutting core, so that the abrasion of the cutting core is avoided; the limiting ring is movably connected with an adjusting block, and the fine adjustment of the position of the segmentation core can be realized through the adjusting block; the whole structure and design are optimized, so that the structure is more stable and the use is more convenient.

Description

Die for preparing air bag

Technical Field

The utility model discloses mould technical field specifically is a mould is used in gasbag preparation.

Background

The handling of the air bag is an important tool for handling large-scale equipment, and during the production and processing of the air bag, a mold needs to be put into a vulcanizing machine to assist the forming of the air bag. The existing air bag mold is mostly composed of a split core, the split core is placed on a mold base when an air bag is processed, after rubber is laid in the mold and vulcanization molding is carried out, the split core needs to be drawn out in an inward mode, namely the center point of the mold in a sliding mode, and the split core is taken out of the air bag in a split mode. However, when the split core is extracted, the split core needs to be lifted upwards, the split core is separated from the die holder and then is extracted in a sliding mode, the extraction process is troublesome, in addition, in the past, the split core and the die holder can generate large abrasion, large gaps can be generated between cutting seams of the split core, the quality of products is affected, in addition, certain errors can be generated in splicing accuracy, the outer edges of the split core cannot be aligned, and the shape of an air bag product is irregular.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mould is used in gasbag preparation, its characteristics are convenient for cut apart the core and take out the die holder smoothly, avoid cutting apart and produce great wearing and tearing between core and the die holder, can finely tune the relative position of cutting apart the core according to actual conditions simultaneously, guarantee to cut apart the outward flange accuracy alignment of core.

In order to achieve the above object, the utility model provides a following technical scheme: the die for preparing the air bag comprises a die core, an upper die base and a lower die base, wherein the die core is composed of a plurality of split cores distributed along the circumferential direction, the upper die base and the lower die base are arranged oppositely, the upper die base and the lower die base respectively comprise a limiting ring and a clamping ring, and the clamping ring is arranged on the periphery of the limiting ring; a cavity is formed in the center of the mold core, and the limiting ring is arranged in the cavity in an attaching mode; the upper side and the lower side of the mold core are respectively provided with an annular clamping groove, and the clamping ring is clamped in the clamping grooves; the limiting ring of lower bolster is last to be provided with a plurality of otic placodes along circumference, be provided with on the snap ring of lower bolster with otic placode assorted recess, the otic placode sets up in the recess, just otic placode and recess threaded connection. The spacing ring and the snap ring of the lower die holder are connected through the bolt, when the core is detached and cut, the spacing ring can be disassembled, the core can be conveniently cut and drawn out through sliding, and abrasion caused by the fact that the core needs to be lifted upwards and cut is avoided compared with the prior art.

As optimization, still be provided with one end open-ended adjustment tank on the spacing ring, be provided with a plurality of regulating blocks in the adjustment tank, it is connected with first bolt to rotate on the regulating block, one side that the opening was kept away from to the adjustment tank is provided with first screw hole, first screw hole runs through the spacing ring, and first bolt setting is in first screw hole. When the edges of the split cores are not aligned and need to be adjusted, the adjusting block slides out of the adjusting groove through the first rotating bolt, the split cores are pushed to move, and the relative positions of the split cores are finely adjusted.

As an optimization, the adjusting groove is arranged on the lower die base and is positioned above the lug plate.

And optimally, second threaded holes are vertically formed in the limiting rings of the upper die holder and the lower die holder, second bolts are arranged in the second threaded holes, and the upper die holder and the lower die holder are connected through the second bolts, so that the stability of the whole die is ensured.

Preferably, the cross section of the adjusting block is in a fan shape and is matched with the shape of the segmentation core.

As optimization, the number of the adjusting blocks is the same as that of the dividing cores, so that each dividing core can be finely adjusted accurately.

As optimization, the limiting ring is provided with a connecting rod, so that the upper die base and the lower die base can be conveniently grabbed in the process of disassembling and splicing the die.

Compared with the prior art, the beneficial effects of the utility model are as follows: the lower die base is designed into a detachable structure, when the cutting core is taken out, the limiting ring of the lower die base can be disassembled, and then the cutting core is horizontally slid to smoothly draw out the air bag from the die, so that the abrasion between the cutting core and the die is avoided; the limiting ring is movably connected with an adjusting block, and the fine adjustment of the position of the segmentation core can be realized through the adjusting block; the whole structure and design are optimized, so that the structure is more stable and the use is more convenient.

Drawings

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

FIG. 2 is a schematic sectional view of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2;

FIG. 4 is a schematic view of an exploded structure of the lower die holder;

FIG. 5 is a schematic structural diagram of an adjusting block;

fig. 6 is a schematic structural view of the mold core.

The die comprises a die core 1, a die core 2, an upper die holder 3, a lower die holder 4, a limiting ring 5, a clamping ring 6, a cavity 7, a clamping groove 8, an ear plate 9, a groove 10, an adjusting groove 11, an adjusting block 12, a first bolt 13, a first threaded hole 14, a second threaded hole 15, a second bolt 16, a connecting rod 17 and a cutting core.

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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1, 2 and 6, the die for preparing the air bag comprises a die core 1, wherein the die core 1 is composed of a plurality of split cores 17 distributed along the circumferential direction, the die further comprises an upper die holder 2 and a lower die holder 3 which are opposite to each other, the upper die holder 2 and the lower die holder 3 respectively comprise a limiting ring 4 and a clamping ring 5, and the clamping ring 5 is arranged on the periphery of the limiting ring 4. A cavity 6 is arranged in the center of the mold core 1, and the limiting ring 4 is arranged in the cavity 6 in an attaching mode and used for limiting the left position and the right position of the mold core 1; the upper and lower both sides of mold core 1 are provided with annular draw-in groove 7 respectively, 5 joints of snap ring are in draw-in groove 7, carry on spacingly about the mold core 1. The mold core 1 is fixed and limited on the upper mold base 2 and the lower mold base 3 through the clamping connection of the clamping ring 5 and the clamping groove 7.

As shown in fig. 3 and 4, the limiting ring 4 and the snap ring 5 of the upper die holder 2 are fixedly connected, and may also be designed as an integrally formed structure. The snap ring 5 and the spacing ring 4 of the lower die holder 3 are detachably connected, and the specific detachable connection mode is as follows: be provided with a plurality of otic placodes 8 along circumference on the spacing ring 4 of die holder 3, be provided with on the snap ring 5 of die holder 3 with 8 assorted recesses 9 of otic placode, otic placode 8 sets up in recess 9, just otic placode 8 and recess 9 threaded connection, for the ease of dismantling, the bolt is from the below screw in of die holder 3.

As shown in fig. 3-5, an adjusting groove 10 with an open end is further provided on the limit ring 4, the adjusting groove 10 surrounds the limit ring 4 for a circle, a plurality of adjusting blocks 11 are provided in the adjusting groove 10, first bolts 12 are rotatably connected to the adjusting blocks 11, first threaded holes 13 are provided on one side of the adjusting groove 10 away from the open end, the first threaded holes 13 penetrate through the limit ring 4, and the first bolts 12 are provided in the first threaded holes 13. When the position of the division core 17 needs to be finely adjusted, the first bolt 12 is rotated, and the adjustment block 11 can move in the adjustment groove 10 because the first bolt 12 and the adjustment block 11 are rotatably connected. When adjustment is not required, the adjusting block 11 is a part of the limiting ring 4, and when adjustment is required, the adjusting block 11 is moved out of the adjusting groove 10 by a certain distance to finely adjust the position of the split core 17.

As shown in fig. 3 and 4, the adjusting groove 10 is provided on the lower die holder 3, and the adjusting groove 10 is located above the ear plate 8.

As shown in fig. 1 and 4, second threaded holes 14 are vertically formed in the limiting rings 4 of the upper die holder 2 and the lower die holder 3, second bolts 15 are arranged in the second threaded holes 14, and the upper die holder 2 and the lower die holder 3 are connected through the second bolts 15. The upper die base 2 and the lower die base 3 are connected through the second bolt 15, the die is clamped between the two die bases, and the die is integrally and stably fixed.

As shown in fig. 4 and 5, the cross section of the adjusting block 11 is fan-shaped, and is matched with the shape of the dividing core 17, so that the contact area is increased, and the adjustment is more labor-saving.

As shown in fig. 4, the number of the adjusting blocks 11 is the same as that of the division cores 17, so that the adjusting blocks 11 can be finely adjusted when the position of any one division core 17 needs to be adjusted.

As shown in fig. 1 and 4, the stop collar 4 is provided with a connecting rod 16 for facilitating gripping.

The working principle is as follows: when the die for preparing the air bag is used, the limiting ring 4 of the lower die holder 3 is connected with the clamping ring 5, the lug plates 8 correspond to the grooves 9 one by one, then the bolts are screwed, and the clamping ring 5 of the lower die holder 3 is matched with the clamping groove 7 of the mold core 1 to be installed into the mold core 1; when the edges of the mold core 1 are not aligned, the first bolt 12 is screwed to enable the adjusting block 11 to slide out of the adjusting groove 10 for a certain distance, a certain thrust is generated on the segmentation core 17, and the segmentation core 17 is pushed to move so as to carry out fine adjustment; then, the upper die holder 2 is installed, and the upper die holder 2 is connected with the lower die holder 3 through a second bolt 15; when the die is required to be dismounted, the process is only required to be operated reversely, after the upper die holder 2 is dismounted, the first bolt 12 for connecting the lug plate 8 and the groove 9 is unscrewed, the limiting ring 4 is firstly dismounted, and the segmentation core 17 can be horizontally drawn out in a sliding mode.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a mould is used in gasbag preparation, includes mold core (1), mold core (1) comprises a plurality of cores (17) of cutting apart that distribute along circumference, its characterized in that: the die comprises an upper die holder (2) and a lower die holder (3), wherein the upper die holder (2) and the lower die holder (3) are arranged oppositely, the upper die holder (2) and the lower die holder (3) respectively comprise a limiting ring (4) and a clamping ring (5), and the clamping ring (5) is arranged on the periphery of the limiting ring (4); a cavity (6) is formed in the center of the mold core (1), and the limiting ring (4) is attached to and arranged in the cavity (6); the upper side and the lower side of the mold core (1) are respectively provided with an annular clamping groove (7), and the clamping ring (5) is clamped in the clamping groove (7); be provided with a plurality of otic placodes (8) along circumference on spacing ring (4) of die holder (3), be provided with on snap ring (5) of die holder (3) with otic placode (8) assorted recess (9), otic placode (8) set up in recess (9), just otic placode (8) and recess (9) threaded connection.

2. The air bag preparation mold according to claim 1, wherein the limit ring (4) is further provided with an adjusting groove (10) with an opening at one end, a plurality of adjusting blocks (11) are arranged in the adjusting groove (10), the adjusting blocks (11) are rotatably connected with first bolts (12), one side, away from the opening, of the adjusting groove (10) is provided with first threaded holes (13), the first threaded holes (13) penetrate through the limit ring (4), and the first bolts (12) are arranged in the first threaded holes (13).

3. The airbag preparation mold according to claim 2, wherein the adjustment groove (10) is provided on the lower mold base (3), and the adjustment groove (10) is located above the ear plate (8).

4. The die for preparing the airbag according to claim 3, wherein a second threaded hole (14) is vertically formed in each of the limiting rings (4) of the upper die holder (2) and the lower die holder (3), a second bolt (15) is arranged in each second threaded hole (14), and the upper die holder (2) and the lower die holder (3) are connected through each second bolt (15).

5. A mould for the preparation of airbags according to claim 4, characterized in that said adjustment block (11) has a sector-shaped cross section.

6. The mold for preparation of an airbag according to claim 5, wherein the number of the regulating blocks (11) is the same as the number of the division cores (17).

7. A mould for the preparation of an airbag according to claim 4, characterised in that a connecting rod (16) is arranged on the stop collar (4).