CN114311717B - Bonding device and bonding method applied to bonding of airbag corners - Google Patents
Bonding device and bonding method applied to bonding of airbag corners Download PDFInfo
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- CN114311717B CN114311717B CN202210006709.7A CN202210006709A CN114311717B CN 114311717 B CN114311717 B CN 114311717B CN 202210006709 A CN202210006709 A CN 202210006709A CN 114311717 B CN114311717 B CN 114311717B
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Abstract
The invention provides a bonding device and a bonding method applied to bonding of airbag corners, wherein the bonding device comprises a cloth cutting die, an inner supporting die and an outer fastening clamp; the internal support die comprises a corner die, a connecting bolt, a threaded connecting block and a centering plate; one end face of the corner mold is an inclined plane, two threaded holes I are formed in the side wall of the other end of the corner mold, and two ends of the centering plate are fixedly connected with the corner mold respectively; a centering hole is formed in the center of the centering plate; the inclined planes of the two corner molds are connected and fixed; the threaded connecting block is fixedly arranged on the inner wall of one corner die, and the connecting bolt penetrates through the centering hole and is fixedly arranged on the threaded connecting block; the upper edge line of the cloth cutting die is a sine curve formed by expanding an intersecting line at the joint of the two corner dies; the external fastening clamp is a clamp ring with elasticity. By adopting the bonding device and the bonding method, the bonding position can be more accurate.
Description
Technical Field
The invention relates to the field of production of air-assisted membrane structures, in particular to a bonding device and a bonding method applied to bonding of air bag corners.
Background
In the corner bonding field in the production process of the air-assisted film structure, the prior art has no standardized die for cutting cloth temporarily, and the cutting process is easy to deviate to different degrees, so that the butt joint quality of bonding positions is influenced, and the bonding quality of a final corner is further influenced; meanwhile, the traditional corner bonding lacks a positioning die, and the corner cloth on two sides is easy to deflect when being butted so that the expected bonding shape cannot be obtained; in addition, the traditional corner bonding is formed by adopting a heat sealing machine to bond along the intersecting line small sections in a heat sealing mode, the operation is complex, and errors are easy to generate due to manual operation.
Disclosure of Invention
According to the technical problems of the prior art, the bonding device and the bonding method applied to bonding of the airbag corner are provided.
The invention adopts the following technical means:
an adhesive device applied to bonding of air bag corners comprises a cloth cutting die, an inner supporting die and an outer fastening clamp;
the internal support die comprises two hollow cylindrical corner dies, a connecting bolt, a threaded connecting block and a centering plate;
one end face of the corner mold is an inclined plane, an included angle between the inclined plane and the cross section of the corner mold is alpha, an air bag corner to be bonded is beta, alpha is an acute angle, and beta=2×alpha; two threaded holes I are formed in the side wall of the other end of the corner die along the diameter direction of the end face, and two ends of the centering plate are respectively matched with the threaded holes I through screws and fixedly connected with the corner die; a centering hole is formed in the center of the centering plate;
the inclined planes of the two corner molds are connected and fixed;
the threaded connecting block is a metal block and is fixedly arranged on the inner wall of one corner die, a threaded hole II coaxial with the axis of the other corner die is formed in the surface of the threaded connecting block, and the connecting bolt penetrates through the centering hole of the corner die, on which the threaded connecting block is not arranged, and is matched with the threaded hole II to be fixedly arranged on the threaded connecting block;
the cloth cutting die is a metal plate, the upper edge line of the cloth cutting die is a sine curve formed by expanding intersecting lines at the joint of the two corner dies, and the edge lines positioned on the left side and the right side of the upper edge line on the cloth cutting die are mutually perpendicular to the lower edge line of the cloth cutting die;
the external fastening clamp is a clamp ring with elasticity and is sleeved at the joint of the two corner molds; the inner surface of the clamp ring can be tightly attached to the joint of the two corner molds.
Further, a pin hole is formed in the inclined surface of the corner die, and the two corner dies are fixedly connected with the pin hole through guide pins.
Further, the two ends of the centering plate are provided with step structures, the surfaces of the step structures are arc-shaped, and the step structures are used for being mutually attached and positioned with the inner wall of the corner die.
Further, the clamp ring is made of Teflon.
Further, the outer side ring of the clamp ring is milled with a countersink for mounting fasteners along the circumference of the clamp ring.
Further, the threaded connecting block is fixedly installed on the inner wall of one of the corner molds through bolts, and the installation surface is an arc-shaped surface.
The invention also provides an adhesive method applied to the corner adhesion of the air bag, which adopts the adhesive device and specifically comprises the following steps:
step 1: cutting corner cloth along the edge line of the cloth cutting die, cutting a rectangular bonding cloth strip capable of enclosing a corner bonding area, and assembling the internal supporting die;
step 2: surrounding corner cloth on one of the corner molds of the internal support mold and fixing the corner cloth in an adhesive manner;
step 3: gluing the corner joints of the corner cloth and the bonding cloth strips, and bonding the bonding cloth strips to the corner joints of the corner cloth;
step 4: sleeving the clamp ring on the outer sides of corner cloth and bonding cloth strips at the joint of the two corner molds, and installing fasteners (such as clamps) along the circumferential direction of the clamp ring for fastening;
step 5: and after the clamp ring is clamped for a period of time, the fastener is unfastened to take down the clamp ring, and then the internal supporting die is taken out to finish corner bonding.
Compared with the prior art, the invention has the following advantages:
1. according to the bonding device applied to bonding of the air bag corners, the cloth cutting die is unfolded according to the intersecting lines of the two corner dies, so that the actual condition of corner lines can be correctly reflected, and the corner cloth cutting is standardized; the intersecting state of the two corner molds in the internal support mold can provide a correct bonding position for corner cloth, so that the corner bonding can stably obtain an expected effect; the cloth cutting dies and the internal supporting dies with different specifications can meet the packaging requirements of different specifications, and the size of the corner and the diameter are not limited; the internal supporting die and the external fastening clamp are combined for use, so that the bonding can be completed by applying force at the same time in the circumferential direction of the intersecting line at one time, the stress in the whole process is uniform, and the operation is simple and convenient.
2. The bonding method applied to the corner bonding of the air bag, provided by the invention, is simple to operate, accurate in bonding position and excellent in bonding quality; the fastening force is applied to the whole circumference at one time in the bonding process, so that the method has the characteristics of tight connection and excellent bonding effect, and compared with the traditional heat seal small-section bonding, the complicated degree of operation is reduced, and errors caused by manual operation are reduced; and a standardized cutting mode of corner cloth is also provided.
Based on the reasons, the invention can be widely popularized in the field of production of gas-assisted membrane structures.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings may be obtained according to the drawings without inventive effort to a person skilled in the art.
FIG. 1 is a schematic view of the internal support mold structure according to the present invention.
Fig. 2 is a schematic view of the internal structure of the internal support mold according to the present invention.
Fig. 3 is a schematic view of the centering plate according to the present invention.
FIG. 4 is a schematic view of a clamp ring according to the present invention.
Fig. 5 is a schematic structural view of the cloth cutting die.
In the figure: 1. a connecting bolt; 2. a centering plate; 3. a corner mold; 4. a clamp ring; 5. a threaded connecting block; 6. a step structure; 7. centering the hole.
Detailed Description
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other. The invention will be described in detail below with reference to the drawings in connection with embodiments.
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present invention. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless it is specifically stated otherwise. Meanwhile, it should be clear that the dimensions of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
In the description of the present invention, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present invention and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present invention: the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present invention.
Example 1
As shown in fig. 1 to 5, the present invention provides an adhesive device for bonding corners of an airbag, comprising a cloth cutting die, an inner supporting die and an outer fastening jig;
the internal support die comprises two metal hollow cylindrical corner dies 3, a connecting bolt 1, a threaded connecting block 5 and a centering plate 2;
one end face of the corner mold 3 is an inclined plane, an included angle between the inclined plane and the cross section of the corner mold 3 is alpha, an air bag corner to be bonded is beta, alpha is an acute angle, and beta=2×alpha; two threaded holes I are formed in the side wall of the other end of the corner mold 3 along the diameter direction of the end face, and two ends of the centering plate 2 are respectively matched with the threaded holes I through screws and fixedly connected with the corner mold 3; the centering plate 2 is a metal plate, a centering hole 7 is formed in the center of the centering plate, and the centering plate 2 can facilitate the carrying of the internal supporting die;
the inclined planes of the two corner molds 3 are connected and fixed;
the threaded connection blocks 5 are metal blocks, the threaded connection blocks 5 are fixedly arranged on the inner wall of one corner mold 3, a threaded hole II coaxial with the axis of the other corner mold 3 is formed in the surface of the threaded connection blocks, and the connection bolts 1 penetrate through the centering holes 7 of the corner molds 3, on which the threaded connection blocks 5 are not arranged, and are fixedly arranged on the threaded connection blocks 5 in a matched mode through the threaded holes II; the centering hole 7 is used for positioning the connecting bolt 1;
the cloth cutting die is a metal plate with a certain thickness, the upper edge line of the cloth cutting die is a sine curve formed by expanding intersecting lines at the joint of the two corner dies 3, the edge lines positioned at the left side and the right side of the upper edge line on the cloth cutting die are mutually perpendicular to the lower edge line of the cloth cutting die, and cloth for bonding the corners of the air bags can be rapidly and accurately cut by using the cloth cutting die;
the external fastening clamp is a clamp ring 4 with elasticity and is sleeved at the joint of the two corner molds 3; the clamp ring 4 is an elliptical ring; the inner surface of the clamp ring 4 can be tightly attached to the joint of the two corner molds 3.
Further, a pin hole is formed in the inclined surface of the corner mold 3, and the two corner molds 3 are fixedly connected through the guide pin matched with the pin hole; the two corner molds can be butted in the correct working posture by using the guide pins.
Further, step structures 6 are arranged at two ends of the centering plate 2, the surfaces of the step structures 6 are arc-shaped, and the step structures 6 are used for being mutually attached to and positioned on the inner wall of the corner mold 3.
Further, the material of the clamp ring 4 may be selected from, but not limited to, elastoplastic material of teflon.
Further, the outer side of the clamp ring 4 is milled with a countersink, which is used for installing a fastener along the circumferential direction of the clamp ring 4, and the fastening force applied by the fastener can enable the joint of the inner surface of the clamp ring 4 and the two corner molds 3 to be tightly attached.
Further, the threaded connection block 5 is fixedly mounted on the inner wall of one of the corner molds 3 through bolts, and the mounting surface is an arc-shaped surface and is completely attached to the inner wall of the corner mold.
Further, through connecting bolt 1, threaded connection piece 5 and centering plate 2 that this application set up, can make two corner moulds 3 dock closely, the bonding in-process is not to the separation.
The invention also provides an adhesive method applied to the corner adhesion of the air bag, which adopts the adhesive device and specifically comprises the following steps:
step 1: cutting corner cloth along the edge line of the cloth cutting die, cutting a rectangular bonding cloth strip capable of enclosing a corner bonding area, and assembling the internal supporting die;
step 2: the corner cloth is surrounded on one corner mold 3 of the internal support molds and fixed in an adhesive mode;
step 3: gluing the corner joints of the corner cloth and the bonding cloth strips, and bonding the bonding cloth strips to the corner joints of the corner cloth;
step 4: the clamp ring 4 is sleeved on the outer sides of corner cloth and bonding cloth strips at the joint of the two corner molds 3, and fasteners (such as clamps) are arranged along the circumferential direction of the clamp ring 4 for fastening;
step 5: after the clamp ring 4 is clamped for a period of time, the fastener is unfastened to take down the clamp ring 4, and then the internal supporting die is taken out, so that corner bonding is completed.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced with equivalents; such modifications and substitutions do not depart from the spirit of the technical solutions according to the embodiments of the present invention.
Claims (7)
1. The bonding device for bonding the airbag corner is characterized by comprising a cloth cutting die, an inner supporting die and an outer fastening clamp;
the internal support die comprises two hollow cylindrical corner dies, a connecting bolt, a threaded connecting block and a centering plate;
one end face of the corner mold is an inclined plane, an included angle between the inclined plane and the cross section of the corner mold is alpha, an air bag corner to be bonded is beta, alpha is an acute angle, and beta=2×alpha; two threaded holes I are formed in the side wall of the other end of the corner die along the diameter direction of the end face, and two ends of the centering plate are respectively matched with the threaded holes I through screws and fixedly connected with the corner die; a centering hole is formed in the center of the centering plate;
the inclined planes of the two corner molds are connected and fixed;
the threaded connecting block is a metal block and is fixedly arranged on the inner wall of one corner die, a threaded hole II coaxial with the axis of the other corner die is formed in the surface of the threaded connecting block, and the connecting bolt penetrates through the centering hole of the corner die, on which the threaded connecting block is not arranged, and is matched with the threaded hole II to be fixedly arranged on the threaded connecting block;
the cloth cutting die is a metal plate, the upper edge line of the cloth cutting die is a sine curve formed by expanding intersecting lines at the joint of the two corner dies, and the edge lines positioned on the left side and the right side of the upper edge line on the cloth cutting die are mutually perpendicular to the lower edge line of the cloth cutting die;
the external fastening clamp is a clamp ring with elasticity and is sleeved at the joint of the two corner molds; the inner surface of the clamp ring can be tightly attached to the joint of the two corner molds.
2. The bonding device applied to bonding of airbag corners according to claim 1, wherein a pin hole is formed in an inclined surface of the corner mold, and the two corner molds are fixedly connected through a guide pin matched with the pin hole.
3. The bonding device applied to bonding of air bag corners according to claim 1, wherein step structures are arranged at two ends of the centering plate, the surfaces of the step structures are arc-shaped, and the step structures are used for being mutually attached and positioned with the inner walls of the corner molds.
4. The bonding device for bonding an airbag corner according to claim 1, wherein the clamp ring is made of teflon.
5. The bonding device for airbag corner bonding according to claim 1, wherein the clamp ring outer ring is milled with a countersink for mounting fasteners along the circumference of the clamp ring.
6. The bonding device for bonding the corner of the airbag according to claim 1, wherein the threaded connecting block is fixedly mounted on the inner wall of one of the corner molds through bolts, and the mounting surface is an arc surface.
7. An adhesive method applied to the corner adhesion of an air bag, which is characterized by adopting the adhesive device as claimed in claim 1, and specifically comprising the following steps:
step 1: cutting corner cloth along the edge line of the cloth cutting die, cutting a rectangular bonding cloth strip capable of enclosing a corner bonding area, and assembling the internal supporting die;
step 2: surrounding corner cloth on one of the corner molds of the internal support mold and fixing the corner cloth in an adhesive manner;
step 3: gluing the corner joints of the corner cloth and the bonding cloth strips, and bonding the bonding cloth strips to the corner joints of the corner cloth;
step 4: sleeving the clamp ring on the outer sides of corner cloth and bonding cloth strips at the joint of the two corner molds, and installing fasteners along the circumferential direction of the clamp ring for fastening;
step 5: and after the clamp ring is clamped for a period of time, the fastener is unfastened to take down the clamp ring, and then the internal supporting die is taken out to finish corner bonding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210006709.7A CN114311717B (en) | 2022-01-05 | 2022-01-05 | Bonding device and bonding method applied to bonding of airbag corners |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210006709.7A CN114311717B (en) | 2022-01-05 | 2022-01-05 | Bonding device and bonding method applied to bonding of airbag corners |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114311717A CN114311717A (en) | 2022-04-12 |
| CN114311717B true CN114311717B (en) | 2023-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210006709.7A Active CN114311717B (en) | 2022-01-05 | 2022-01-05 | Bonding device and bonding method applied to bonding of airbag corners |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008062918A (en) * | 2006-08-08 | 2008-03-21 | Seiren Co Ltd | Method of manufacturing airbag |
| DE102008060392A1 (en) * | 2008-12-03 | 2010-06-17 | Takata-Petri Ag | Inflatable air bag for use in air bag module for passenger restraint system, has two air bag layers and adhesive unit, where intermediate layer is arranged between adhesive unit and air bag layers |
| CN113829628A (en) * | 2021-09-27 | 2021-12-24 | 大连海事大学 | Packaging device for bonding end faces of air bags |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6776949B2 (en) * | 2002-03-28 | 2004-08-17 | Scimed Life Systems, Inc. | Polymer welding using ferromagnetic particles |
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2022
- 2022-01-05 CN CN202210006709.7A patent/CN114311717B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008062918A (en) * | 2006-08-08 | 2008-03-21 | Seiren Co Ltd | Method of manufacturing airbag |
| DE102008060392A1 (en) * | 2008-12-03 | 2010-06-17 | Takata-Petri Ag | Inflatable air bag for use in air bag module for passenger restraint system, has two air bag layers and adhesive unit, where intermediate layer is arranged between adhesive unit and air bag layers |
| CN113829628A (en) * | 2021-09-27 | 2021-12-24 | 大连海事大学 | Packaging device for bonding end faces of air bags |
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| Publication number | Publication date |
|---|---|
| CN114311717A (en) | 2022-04-12 |
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