CN112873879A - Forming method suitable for slender U-shaped metal gluing piece - Google Patents
Forming method suitable for slender U-shaped metal gluing piece Download PDFInfo
- Publication number
- CN112873879A CN112873879A CN202110186909.0A CN202110186909A CN112873879A CN 112873879 A CN112873879 A CN 112873879A CN 202110186909 A CN202110186909 A CN 202110186909A CN 112873879 A CN112873879 A CN 112873879A
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- China
- Prior art keywords
- shaped
- covering piece
- rubber strip
- piece
- adhesives
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Links
- 238000000034 method Methods 0.000 title claims abstract description 29
- 239000002184 metal Substances 0.000 title claims abstract description 18
- 238000004026 adhesive bonding Methods 0.000 title claims description 7
- 239000000853 adhesive Substances 0.000 claims abstract description 29
- 230000001070 adhesive effect Effects 0.000 claims abstract description 29
- 238000004519 manufacturing process Methods 0.000 claims abstract description 14
- 239000011248 coating agent Substances 0.000 claims abstract description 11
- 238000000576 coating method Methods 0.000 claims abstract description 11
- 239000003292 glue Substances 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims abstract description 7
- 238000010438 heat treatment Methods 0.000 claims abstract description 5
- 238000004140 cleaning Methods 0.000 claims abstract description 4
- 238000005238 degreasing Methods 0.000 claims abstract description 4
- 239000007788 liquid Substances 0.000 claims abstract description 4
- 238000003825 pressing Methods 0.000 claims abstract description 4
- 239000011347 resin Substances 0.000 claims abstract description 4
- 229920005989 resin Polymers 0.000 claims abstract description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- 238000012856 packing Methods 0.000 claims description 2
- 238000012797 qualification Methods 0.000 abstract description 3
- 238000010923 batch production Methods 0.000 abstract 1
- 230000001680 brushing effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012946 outsourcing Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009659 non-destructive testing Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
- B29C65/52—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the way of applying the adhesive
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The invention discloses a forming method suitable for a slender U-shaped metal glue joint piece, which comprises the following steps: 1) pre-assembling the U-shaped outer covering piece and the U-shaped inner covering piece; 2) cleaning, decontaminating, degreasing and airing the glued joint for later use; 3) preparing a resin-based liquid adhesive; 4) respectively and uniformly coating the adhesives on the adhesive surfaces of the U-shaped outer covering piece and the U-shaped inner covering piece, and ensuring that all areas are coated with the adhesives; 5) after the last time of coating the adhesive, putting the U-shaped inner covering piece into the U-shaped outer covering piece, and aligning and attaching; 6) manufacturing a technical rubber strip matched with the inner groove of the U-shaped inner covering piece, wrapping an anti-sticking material outside the technical rubber strip, and then pressing the technical rubber strip into the groove; 7) clamping the outer side surface of the craft rubber strip by using a bow-shaped clamp; 8) and (3) placing the workpiece finished in the step 7) in a heating device for curing. By adopting the scheme of the invention, complex equipment is not needed, batch production can be realized simultaneously, the process is simple, the qualification rate is improved, the production cost is reduced, and the productivity is improved.
Description
Technical Field
The invention relates to the field of metal bonding, in particular to a forming method suitable for a slender U-shaped metal bonding piece.
Background
In the manufacturing industry, the metal bonding structural part is widely applied, wherein the bonding of the slender U-shaped metal part is very special and is generally formed by bonding two thick U-shaped metal parts and two thin U-shaped metal parts, the external U-shaped part is a thicker outer wrapping part, the internal U-shaped part is a thin-wall structure made of special materials so as to achieve the effect of enhancing the internal function (attached figure 2), and meanwhile, in order to ensure the structural strength, the bonding glue is medium-high temperature curing glue. Nondestructive testing is required after the glue joint, the phenomenon of glue joint is not allowed to occur, and the glue joint shear strength is required to meet the technical requirements.
The industry generally adopts extremely complicated heating devices and positioning devices for assembly and glue joint forming. The process is complex, the equipment precision is high, great difficulty is brought to engineering, the qualification rate is low, and the manufacturing cost is extremely high.
Disclosure of Invention
In order to solve the problems, the invention provides a forming method suitable for an elongated U-shaped metal glue joint piece.
The invention provides the following technical scheme:
a method of forming a shaped metal member for an elongated U-shaped metal bond comprising the steps of:
1) pre-assembling the U-shaped outer covering piece and the U-shaped inner covering piece, and detecting a fit clearance which is less than or equal to 0.1 mm;
2) cleaning, decontaminating, degreasing and airing the glued joint for later use;
3) preparing a resin-based liquid adhesive according to a proportion;
4) respectively and uniformly coating the adhesives on the adhesive surfaces of the U-shaped outer covering piece and the U-shaped inner covering piece by using a hard brush, wherein the coating direction is vertical every time by 2-3 times, so that the adhesives are coated on all areas, the adhesives are light and uniform when coated every time, and redundant adhesives are scraped by using a scraper;
5) after the last time of coating the adhesive, putting the U-shaped inner covering piece into the U-shaped outer covering piece, and aligning and attaching;
6) manufacturing a technical rubber strip 6 matched with an inner groove of the U-shaped inner covering piece 2, wrapping an anti-sticking agent 4 outside the technical rubber strip 6, and pressing the technical rubber strip 6 into the groove of the U-shaped inner covering piece 2;
7) clamping the technical rubber strip and the U-shaped outer packing piece by using an arch clamp on the outer side surface of the technical rubber strip;
8) and (3) placing the workpiece finished in the step 7) in a heating device for curing.
Wherein, the gluing surfaces in the step 2) are the inner surfaces of the inner grooves of the U-shaped outer covering parts and the outer surfaces of the U-shaped inner covering parts.
Wherein, in the step 7), a gap between the process rubber strip and the chute is checked, the gap is less than or equal to 0.1mm, and if the gap is larger, an anti-sticking material is added locally or integrally.
Compared with the prior art, the invention has the beneficial effects that: by adopting the technical scheme of the invention, complex equipment is not needed, batch simultaneous production can be realized, the process is simple, the yield is improved, the productivity is improved, the production cost is reduced, the process complexity is reduced, and simultaneous production of multiple products can be realized.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic diagram of a conventional structure.
In the figure: 1. adhesive, 2, a U-shaped inner covering piece, 3, a U-shaped outer covering piece, 4, an anti-sticking material, 5, an arch clamp, 6 and an art rubber strip.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, a method for forming an elongated U-shaped metal glue joint according to the present invention includes the following steps:
1) pre-assembling the U-shaped outer covering piece 3 and the U-shaped inner covering piece 2, and detecting a fit clearance which is less than or equal to 0.1 mm;
2) cleaning, decontaminating, degreasing and airing the glued joint for later use, preventing the loose bonding caused by the existence of oil stain and dust, wherein the glued joint is the inner surface of an inner groove of the U-shaped outer covering piece 3 and the outer surface of the U-shaped inner covering piece 2;
3) preparing a resin-based liquid adhesive according to a proportion;
4) the method comprises the following steps of respectively and uniformly coating adhesives on the gluing surfaces of a U-shaped outer covering piece and a U-shaped inner covering piece by using a hard brush, wherein the coating directions are vertical every time 2-3 times, all areas are coated with the adhesives 1, the adhesives are coated uniformly and thinly, the accumulation of part of the adhesives is prevented, the influence on the next operation is avoided, and the surplus adhesives are scraped by using a scraper;
5) after the last time of coating the adhesive, the U-shaped inner covering piece 2 is placed into the U-shaped outer covering piece 3, and alignment and lamination are carried out to prevent deviation and deviation;
6) manufacturing a process rubber strip 6 matched with an inner groove of the U-shaped inner covering piece 2, wherein the process rubber strip 6 can be repeatedly used, then wrapping an anti-sticking agent 4 outside the process rubber strip 6, and pressing the process rubber strip 6 into the groove of the U-shaped inner covering piece 2;
7) clamping the technical rubber strip 6 and the U-shaped outer wrapping piece 3 by using an arch clamp 5, checking a gap between the technical rubber strip 6 and the sliding groove, wherein the gap is less than or equal to 0.1mm, if the gap is larger, the I-shaped clamp 5 can generate stronger solidification on the adhesive surface of the I-shaped clamp by locally or integrally adding an anti-adhesion material, so that the I-shaped clamp is bonded more firmly, and the forming of a metal adhesive connecting piece is accelerated;
8) and (3) placing the workpiece finished in the step 7) in a heating device for curing.
In the invention, the main points of attention in the brushing process are as follows: brush the glued face of covering in U type outsourcing spare and U type uniformly, can guarantee that all areas are brushed the gluing agent with a brush, after brushing the gluing agent for the last time, put into U type outsourcing spare 3 with covering 2 in the U type, the counterpoint laminating prevents to appear skew and deviation.
And manufacturing a process rubber strip 6 matched with the inner groove of the U-shaped inner covering piece 2, and checking a gap between the process rubber strip 6 and the sliding groove to judge whether an anti-sticking material needs to be added or not so as to promote subsequent forming.
The whole process does not need complex equipment, the working procedure is simple, batch simultaneous production can be realized, the qualification rate is improved, the productivity is improved, the production cost is reduced, and simultaneous production of multiple products can be realized.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. A method of forming a shaped metal member for an elongated U-shaped metal bond, comprising the steps of:
1) pre-assembling the U-shaped outer covering piece and the U-shaped inner covering piece, and detecting a fit clearance which is less than or equal to 0.1 mm;
2) cleaning, decontaminating, degreasing and airing the glued joint for later use;
3) preparing a resin-based liquid adhesive according to a proportion;
4) respectively and uniformly coating the adhesives on the adhesive surfaces of the U-shaped outer covering piece and the U-shaped inner covering piece by using a hard brush, wherein the coating direction is vertical every time by 2-3 times, so that the adhesives are coated on all areas, the adhesives are light and uniform when coated every time, and redundant adhesives are scraped by using a scraper;
5) after the last time of coating the adhesive, putting the U-shaped inner covering piece into the U-shaped outer covering piece, and aligning and attaching;
6) manufacturing a process rubber strip matched with the inner groove of the U-shaped inner covering piece, then wrapping an anti-sticking agent outside the process rubber strip, and pressing the process rubber strip into the U-shaped inner covering piece groove;
7) clamping the technical rubber strip and the U-shaped outer packing piece by using an arch clamp on the outer side surface of the technical rubber strip;
8) and (3) placing the workpiece finished in the step 7) in a heating device for curing.
2. A method of forming a shaped member for an elongated U-shaped metal glue joint according to claim 1 wherein: the gluing surfaces in the step 2) are the inner surfaces of the inner grooves of the U-shaped outer covering pieces and the outer surfaces of the U-shaped inner covering pieces.
3. A method of forming a shaped member for an elongated U-shaped metal glue joint according to claim 1 wherein: and 7) checking a gap between the process rubber strip and the sliding chute, wherein the gap is less than or equal to 0.1mm, and if the gap is larger, adding an anti-sticking material locally or integrally.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110186909.0A CN112873879A (en) | 2021-02-18 | 2021-02-18 | Forming method suitable for slender U-shaped metal gluing piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110186909.0A CN112873879A (en) | 2021-02-18 | 2021-02-18 | Forming method suitable for slender U-shaped metal gluing piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112873879A true CN112873879A (en) | 2021-06-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110186909.0A Pending CN112873879A (en) | 2021-02-18 | 2021-02-18 | Forming method suitable for slender U-shaped metal gluing piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112873879A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114311748A (en) * | 2021-12-30 | 2022-04-12 | 成都成维精密机械制造有限公司 | Composite material connecting piece for aviation and preparation method and installation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2056386U (en) * | 1989-09-05 | 1990-04-25 | 肖尝鑫 | Portable electric heating tire repair unit taking along with vehicle |
| CN206376159U (en) * | 2016-12-27 | 2017-08-04 | 上海铁路局科学技术研究所 | A kind of non-porous rail insulating joint |
| CN206616411U (en) * | 2017-02-21 | 2017-11-07 | 李庆杰 | A kind of rail in high speed railway welding point reinforces equipment |
| CN210061732U (en) * | 2019-04-25 | 2020-02-14 | 湖北航天化学技术研究所 | Curing tool for polymer adhesive film |
-
2021
- 2021-02-18 CN CN202110186909.0A patent/CN112873879A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2056386U (en) * | 1989-09-05 | 1990-04-25 | 肖尝鑫 | Portable electric heating tire repair unit taking along with vehicle |
| CN206376159U (en) * | 2016-12-27 | 2017-08-04 | 上海铁路局科学技术研究所 | A kind of non-porous rail insulating joint |
| CN206616411U (en) * | 2017-02-21 | 2017-11-07 | 李庆杰 | A kind of rail in high speed railway welding point reinforces equipment |
| CN210061732U (en) * | 2019-04-25 | 2020-02-14 | 湖北航天化学技术研究所 | Curing tool for polymer adhesive film |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114311748A (en) * | 2021-12-30 | 2022-04-12 | 成都成维精密机械制造有限公司 | Composite material connecting piece for aviation and preparation method and installation method thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210601 |