CN106640909A - Nut plate mounting device and punching process - Google Patents
Nut plate mounting device and punching process Download PDFInfo
- Publication number
- CN106640909A CN106640909A CN201611217054.9A CN201611217054A CN106640909A CN 106640909 A CN106640909 A CN 106640909A CN 201611217054 A CN201611217054 A CN 201611217054A CN 106640909 A CN106640909 A CN 106640909A
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- China
- Prior art keywords
- nutplate
- location hole
- groove
- lug boss
- positive stop
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000000034 method Methods 0.000 title claims abstract description 10
- 230000008569 process Effects 0.000 title claims abstract description 9
- 238000004080 punching Methods 0.000 title claims abstract description 7
- 239000002184 metal Substances 0.000 claims abstract description 12
- 238000003466 welding Methods 0.000 claims description 13
- 238000005516 engineering process Methods 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 3
- 238000010079 rubber tapping Methods 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- 238000009966 trimming Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B37/00—Nuts or like thread-engaging members
- F16B37/04—Devices for fastening nuts to surfaces, e.g. sheets, plates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Connection Of Plates (AREA)
Abstract
The invention discloses a nut plate mounting device for vehicle door assembly and a punching process, and relates to the technical field of metal punching. The nut plate mounting device realizes separate matching between a nut plate and a mounting plate through forming a first groove and a second groove in the nut plate for connecting with the mounting plate. The mounting plate is not only used for fixing the nut plate to provide convenience to weld a nut, but also reinforces structural strength of the nut plate to bear higher impact external force so as to guarantee reliable connection in a use state and improve the safety coefficient. The nut plate punching process has the characteristics of the nut plate based on the nut plate.
Description
Technical field
The present invention relates to metal stamping techniques field, installs in particular to a kind of nutplate for car door assembling
Device and Sheet Metal Forming Technology.
Background technology
In the manufacture assembling of automobile, car door assembling is directed to, typically is welded in precalculated position to improve by nutplate
The intensity that part is installed.But, the car door hinged place position for installing nutplate is typically all the larger position of holding capacity, existing
Nutplate structural strength is relatively low with rigidity, yielding when by greater impact, causes hinged place to release.And installation nutplate
Precalculated position mostly space it is more narrow and small, welded nut is inconvenient.
The content of the invention
One of purpose of the embodiment of the present invention is to provide a kind of nut board mounting assembly, and it is included for car door assembling
Nutplate and installing plate.By the first groove and the second groove that connection plate is offered in nutplate, nut is realized
Plate separably coordinates with installing plate.Installing plate is applied not only to fixing nut plate, is welded nut provides convenient；And strengthen
The structural strength of nutplate is so as to bearing larger impact external force, it is ensured that connects reliable in a state of use, improves peace
Overall coefficient.
The two of the purpose of the embodiment of the present invention are to provide a kind of nutplate Sheet Metal Forming Technology, based on above-mentioned nutplate, tool
The characteristics of having above-mentioned nutplate.
What embodiments of the invention were realized in：
A kind of nut board mounting assembly, including nutplate and the installing plate that is connected with nutplate.Nutplate is provided with
Symmetrically arranged first positive stop lug boss and the second positive stop lug boss；First positive stop lug boss is offered and positioned through the first of nutplate
Hole, the second positive stop lug boss offers the second location hole through nutplate；First location hole is equal with the second location hole aperture, and
It is equipped with female thread；The relative two ends of nutplate offer respectively the first groove and the second groove.Difference is offered on installing plate
With the first location hole through hole corresponding with the second location hole；Installing plate is provided with the first Access Division with the first groove fit, with
And the second Access Division with the second groove fit.
Inventor has found：The car door hinged place position for installing nutplate is typically all the larger position of holding capacity, existing
Nutplate structural strength is relatively low with rigidity, yielding when by greater impact, causes hinged place to release.And installation nutplate
Precalculated position mostly space it is more narrow and small, welded nut is inconvenient.
Above-mentioned situation is aimed to solve the problem that, inventor devises a kind of nut board mounting assembly, by offering in nutplate
Relative the first groove and the second groove, for the first Access Division and the second Access Division that coordinate installing plate to protrude above, so as to two
Person can separably coordinate.Its nutplate is provided with symmetrically arranged first positive stop lug boss and the second positive stop lug boss；First limit
Position boss offers the first location hole through nutplate, and the second positive stop lug boss offers the second location hole through nutplate；
First location hole is equal with the second location hole aperture, and is equipped with female thread.Installing plate in above-mentioned nut board mounting assembly is not
Fixing nut plate is only used for, is welded nut provides convenient；And strengthen the structural strength of nutplate so as to bear compared with
Big impact external force, it is ensured that connect reliable in a state of use, improve safety coefficient.
In an embodiment of the present embodiment：
First groove and the second groove are located between the first location hole and the second location hole, and the first groove is opened with the second groove
The direction of mouth to the outside of nutplate extends.
In an embodiment of the present embodiment：
First groove and the rectangular profile of the second groove, and respectively close to the first location hole and two ends of the second location hole
Angle is knuckle.
In an embodiment of the present embodiment：
First Access Division separably coordinates respectively with the first groove with the second Access Division with the second groove；First Access Division
With the projection that the second Access Division is rectangular profile.
In an embodiment of the present embodiment：
Installing plate opposite end is respectively equipped with welding edge；The two ends of welding edge length direction to the end face away from installing plate prolongs
Stretch, and the side being connected with installing plate forms T-shaped structure.
In an embodiment of the present embodiment：
First location hole and the second location hole have the first chamfering with the junction of nutplate.
In an embodiment of the present embodiment：
First positive stop lug boss and the second positive stop lug boss have the second chamfering away from the end face edge of nutplate.
In an embodiment of the present embodiment：
The junction arc transition of the first positive stop lug boss and the second positive stop lug boss and nutplate.
A kind of nutplate Sheet Metal Forming Technology, comprises the following steps：
S1：Multiple punching is sequentially passed through to tabular section bar and goes out the first location hole and the second location hole；
S2：Central part against the first location hole and the second location hole is stretched, and is sequentially passed through multi-drawing and is formed the first limit
Position boss and the second positive stop lug boss；
S3：Through multiple cold-heading, the wall thickness of the first positive stop lug boss and the second positive stop lug boss is made more than the thickness of nutplate；Subtract
Little first location hole and the second location hole and the chamfering of the junction of nutplate, increase the first positive stop lug boss and the second positive stop lug boss
Away from the chamfering of the end face edge of nutplate；
S4：Tapping is carried out to the first location hole and the second location hole, nutplate is obtained.
In an embodiment of the present embodiment：
After step S4, also include：
S5：Trimming process is carried out to nutplate, is cut out being located at first groove and the second groove of nutplate opposite end；
S6：Flanging process is carried out to nutplate, the burr of the edge of nutplate is removed；
S7：Nutplate is surface-treated, reduces the flatness of nut plate surface.
Embodiments of the invention have the advantages that：
A kind of nut board mounting assembly that embodiments of the invention are provided, by offering connection plate in nutplate
The first groove and the second groove, realize that nutplate separably coordinates with installing plate.Installing plate is applied not only to fixing nut plate,
For welded nut provides convenient；And the structural strength of nutplate is strengthened so as to bear larger impact external force, it is ensured that
Connect reliable in a state of use, improve safety coefficient.
A kind of nutplate Sheet Metal Forming Technology that embodiments of the invention are provided, based on above-mentioned nutplate, with above-mentioned nut
The characteristics of plate.
Description of the drawings
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, below will be attached to what is used needed for embodiment
Figure is briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, thus be not construed as it is right
The restriction of scope, for those of ordinary skill in the art, on the premise of not paying creative work, can be with according to this
A little accompanying drawings obtain other related accompanying drawings.
Fig. 1 is the first structural representation of nut board mounting assembly in the embodiment of the present invention；
Fig. 2 is the first structural representation of nutplate in the embodiment of the present invention；
Fig. 3 is second structural representation of nutplate in the embodiment of the present invention；
Fig. 4 is second structural representation of nut board mounting assembly in the embodiment of the present invention；
Fig. 5 is the third structural representation of nut board mounting assembly in the embodiment of the present invention.
Icon：100- nut board mounting assemblies；10- nutplates；The positive stop lug boss of 101- first；The positive stop lug boss of 102- second；
The location holes of 103- first；The location holes of 104- second；The grooves of 105- first；The grooves of 106- second；20- installing plates；201- through holes；
The Access Divisions of 202- first；The Access Divisions of 203- second；204- welding edges；The chamferings of 301- first；The chamferings of 302- second.
Specific embodiment
To make purpose, technical scheme and the advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
The a part of embodiment of the present invention, rather than the embodiment of whole.Present invention enforcement generally described and illustrated in accompanying drawing herein
The component of example can be arranged and designed with a variety of configurations.
Therefore, the detailed description of embodiments of the invention below to providing in the accompanying drawings is not intended to limit claimed
The scope of the present invention, but be merely representative of the present invention selected embodiment.Based on the embodiment in the present invention, this area is common
The every other embodiment that technical staff is obtained under the premise of creative work is not made, belongs to the model of present invention protection
Enclose.
It should be noted that in the case where not conflicting, the embodiment and the feature in embodiment in the present invention can phase
Mutually combination.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then it need not be further defined and is explained in subsequent accompanying drawing.
In describing the invention, in addition it is also necessary to explanation, unless otherwise clearly defined and limited, term " setting " should
It is interpreted broadly, for the ordinary skill in the art, can understands above-mentioned term in the present invention with concrete condition
Concrete meaning.
Embodiment
Refer to Fig. 1, a kind of nut board mounting assembly 100 that Fig. 1 is provided for the present embodiment, it includes nutplate 10 with peace
Dress plate 20.
Nutplate 10 is provided with the positive stop lug boss 102 of symmetrically arranged first positive stop lug boss 101 and second；First positive stop lug boss
101 have the second chamfering 302, and the first positive stop lug boss with second positive stop lug boss 102 away from the end face edge of nutplate 10
101 and second positive stop lug boss 102 and the junction of nutplate 10 be arc transition.
Wherein the first positive stop lug boss 101 offers the first location hole 103 through nutplate 10, the second positive stop lug boss 102
Offer the second location hole 104 through nutplate 10.First positive stop lug boss 101 is highly equal with the second positive stop lug boss 102；The
One location hole 103 is equal with the aperture of the second location hole 104, is equipped with female thread；Refer to Fig. 2, the first location hole 103 and second
Location hole 104 has the first chamfering 301 with the junction of nutplate 10.In the present embodiment, processing and manufacturing for convenience, nut
Plate 10 is shaped as rectangle；In other specific embodiments, nutplate 10 can be the other shapes such as circle, ellipse, rhombus.
In order to realize separable cooperation with installing plate 20, in nutplate 10 the first groove 105 and the second groove are offered
106.Wherein the first positive stop lug boss 101 and the second positive stop lug boss 102 are located on the axis on the length direction of nutplate 10；And first
The groove 106 of groove 105 and second is symmetrically positioned in the two ends on the width of nutplate 10, and positioned at the first positive stop lug boss
101 and second between positive stop lug boss 102.
In the present embodiment, processing and manufacturing for convenience, the first groove 105 and the rectangular profile of the second groove 106；
In other specific embodiments, the first groove 105 and the second groove 106 can be the other shapes such as circle, ellipse, rhombus.Need
It is noted that the opening direction of the first groove 105 and the second groove 106 has the trend extended to the outside of nutplate 10.
With reference to Fig. 1, the first groove 105 and the second groove 106 limit the inner side for being opened in nutplate 10；The design of this closed can be with
More accurate cooperation is reached with installing plate 20, and it is difficult for drop-off.
In other specific embodiments, refer to shown in Fig. 3, the first groove 105 and the second groove 106 opening direction to
The outside of nutplate 10 extends up to form breach, and this open type design is conducive to forming cooperation with installing plate 20；Concrete table
Now for installing plate 20 can from it is arbitrarily angled and need not can be with the opening of alignment indentation at, it is possible to easily with nutplate 10
Link together.Also it should be noted that whether Fig. 1 or Fig. 3, the first groove 105 presented in figure and the second groove
106 is knuckle near two ends angle of the first location hole 103 and the second location hole 104；Its radiused design is to keep away
Cracks caused by exempting from during the first groove 105 and the second groove 106 are stamped and formed out due to stress concentration；Using fillet
Not only so that coordinating more convenient, it is also possible to so that stress distribution is uniform, improve the intensity and fatigue peace of monoblock nutplate 10
Overall coefficient.
Offer on installing plate 20 respectively with the first location hole 103 and the corresponding through hole 201 of the second location hole 104, through hole
The equal diameters of 201 diameter and the first location hole 103 or the second location hole 104.In the present embodiment, for convenience processing is made
Make, installing plate 20 is shaped as rectangle so as to adaptably coordinate with nutplate 10；In other specific embodiments, installing plate 20
Can be the other shapes such as circle, ellipse, rhombus.
Be additionally provided with installing plate 20 and embedded the first Access Division 202 for coordinating of the first groove 105, and with the second groove
106 embedded the second Access Divisions 203 for coordinating.Specifically refer to Fig. 4, Fig. 4 shows specifically connecting for installing plate 20 and nutplate 10
Binding structure.In order to preferably coordinate with the first groove 105 and the second groove 106, the first Access Division 202 and the second Access Division 203
For the projection of rectangular profile.The projection edge has chamfering, the angle of its chamfering and the first groove 105 or the second groove
106 fillet angle is consistent, so as in the first Access Division 202 or embedded first groove 105 in the second Access Division 203 or the second groove
When 106, closely connection is formed between the two.
The opposite end of installing plate 20 is respectively equipped with welding edge 204；Welding edge 204 be rectangular plate-like structure, its length direction
On two ends to away from installing plate 20 end face extend, and be connected with installing plate 20 side formation T-shaped structure.The T-shaped structure
Design increases the weld length of welding edge 204, advantageously ensures that welding quality, improves structural strength.In the present embodiment, it is
The further connectivity for improving installing plate 20 and nutplate 10, welding edge 204 can protrude from the end face of installing plate 20, be
Welding edge 204 has certain difference in height with installing plate 20；Please with specific reference to Fig. 5, Fig. 5 is matching somebody with somebody for installing plate 20 and nutplate 10
Close schematic diagram.The difference in height between the two shown in figure is equal with the thickness of nutplate 10 itself, can reach nutplate
10 are completely embedded in installing plate 20.In other specific embodiments, above-mentioned difference in height is not limited.It should be noted that welding edge 204
Can be connected with installing plate 20 by welding, it is also possible to be integrally formed with installing plate 20.
In sum, by the nutplate 10 of nut board mounting assembly 100 and the structure and annexation of installing plate 20
Explanation.In order to further enable those skilled in the art to be more clearly understood from the present embodiment, the present embodiment also provides one
Plant based on the Sheet Metal Forming Technology of above-mentioned nutplate 10.
A kind of Sheet Metal Forming Technology of nutplate 10, comprises the following steps：
S1：Tabular section bar with thickness as 3.5mm sequentially passes through multiple punching to sheet material and goes out directly making nutplate 10
Footpath is 5mm, centre-to-centre spacing is 26mm the first location hole 103 and the second location hole 104；
S2：Centre against the first location hole 103 and the second location hole 104 is stretched, and sequentially passes through repeatedly drawing
Stretch to form overall diameter 13mm, the first positive stop lug boss 101 of outer depth 7mm and the second positive stop lug boss 102, wherein the first positive stop lug boss
101 and second positive stop lug boss 102 and the chamfering of board joints be 2mm, the first positive stop lug boss 101 and the second positive stop lug boss 102
It is 1mm away from the second chamfering 302 of the end face edge of nutplate 10；And the first location hole 103 and the second location hole 104 and nut
First chamfering 301 of the junction of plate 10 is 1.5mm；
S3：Cold-heading is carried out against the first positive stop lug boss 101 and the second positive stop lug boss 102, multiple cold-heading is sequentially passed through, first
The overall diameter of the positive stop lug boss 102 of positive stop lug boss 101 and second is increased to 14mm, and its second chamfering 302 is increased to 1.5mm so that
The wall thickness of the first positive stop lug boss 101 and the second positive stop lug boss 102 increases；
S4：Cold-heading is carried out to the first location hole 103 and the second location hole 104, multiple cold-heading is sequentially passed through；First location hole
103 and second first chamfering 301 of location hole 104 be reduced to 1mm, further such that the first positive stop lug boss 101 is spacing with second
The wall thickness of boss 102 increases to 4.5mm, about the 1.3 of sheet metal thickness times；
S5：Tapping is carried out to the first location hole 103 and the second location hole 104, nutplate 10 is obtained；
S6：Trimming process is carried out to the nutplate 10 of basic shaping, is cut out being located at the first of the opposite end of nutplate 10
The groove 106 of groove 105 and second, then the corner for cutting off the surrounding of nutplate 10；
S7：Flanging process is carried out to nutplate 10, the burr of the edge of nutplate 10 is removed；
S8：Nutplate 10 is surface-treated, reduces the flatness on the surface of nutplate 10.
The preferred embodiments of the present invention are the foregoing is only, the present invention is not limited to, for the skill of this area
For art personnel, the present invention can have various modifications and variations.It is all within the spirit and principles in the present invention, made any repair
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of nut board mounting assembly, it is characterised in that：
Including nutplate and the installing plate being connected with the nutplate；
The nutplate is provided with symmetrically arranged first positive stop lug boss and the second positive stop lug boss；First positive stop lug boss is opened up
There is the first location hole through the nutplate, second positive stop lug boss is offered and positioned through the second of the nutplate
Hole；First location hole is equal with the second location hole aperture, and is equipped with female thread；The relative two ends of the nutplate
The first groove and the second groove are offered respectively；
Offer on the installing plate respectively with first location hole through hole corresponding with second location hole；The installation
Plate is provided with the first Access Division with first groove fit, and the second Access Division with second groove fit.
2. a kind of nut board mounting assembly according to claim 1, it is characterised in that：First groove and described second
Groove is located between first location hole and second location hole, the side of first groove and second slot opening
To the extension of the outside of the nutplate.
3. a kind of nut board mounting assembly according to claim 2, it is characterised in that：First groove and described second
The rectangular profile of groove, and hold angles to be knuckle with two of second location hole respectively close to first location hole.
4. a kind of nut board mounting assembly according to claim 3, it is characterised in that：First Access Division and described
Two Access Divisions separably coordinate respectively with first groove with second groove；First Access Division and described second
Access Division is the projection of rectangular profile.
5. a kind of nut board mounting assembly according to claim 1, it is characterised in that：The installing plate opposite end difference
It is provided with welding edge；The two ends of the welding edge length direction to away from the installing plate end face extend, and with the installing plate
The side of connection forms T-shaped structure.
6. a kind of nut board mounting assembly according to claim 1, it is characterised in that：First location hole and described
Two location holes have the first chamfering with the junction of the nutplate.
7. a kind of nut board mounting assembly according to claim 1, it is characterised in that：First positive stop lug boss with it is described
Second positive stop lug boss has the second chamfering away from the end face edge of the nutplate.
8. a kind of nut board mounting assembly according to claim 1, it is characterised in that：First positive stop lug boss with it is described
The junction arc transition of the second positive stop lug boss and the nutplate.
9. a kind of nutplate Sheet Metal Forming Technology, it is characterised in that comprise the following steps：
S1：Multiple punching is sequentially passed through to tabular section bar and goes out the first location hole and the second location hole；
S2：Central part against first location hole and second location hole is stretched, and is sequentially passed through multi-drawing and is formed the
One positive stop lug boss and the second positive stop lug boss；
S3：Through multiple cold-heading, first positive stop lug boss is set to be more than the nutplate with the wall thickness of second positive stop lug boss
Thickness；Reduce first location hole and second location hole and the chamfering of the junction of the nutplate, increase described
The chamfering of first positive stop lug boss and second positive stop lug boss away from the end face edge of the nutplate；
S4：Tapping is carried out with second location hole to first location hole, nutplate is obtained.
10. a kind of nutplate Sheet Metal Forming Technology according to claim 9, it is characterised in that：
After step S4, also include：
S5：Trimming process is carried out to the nutplate, is cut out being located at first groove and second of the nutplate opposite end
Groove；
S6：Flanging process is carried out to the nutplate, the burr of the edge of the nutplate is removed；
S7：The nutplate is surface-treated, reduces the flatness of the nut plate surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611217054.9A CN106640909A (en) | 2016-12-26 | 2016-12-26 | Nut plate mounting device and punching process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611217054.9A CN106640909A (en) | 2016-12-26 | 2016-12-26 | Nut plate mounting device and punching process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106640909A true CN106640909A (en) | 2017-05-10 |
Family
ID=58827923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611217054.9A Pending CN106640909A (en) | 2016-12-26 | 2016-12-26 | Nut plate mounting device and punching process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106640909A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107035754A (en) * | 2017-06-05 | 2017-08-11 | 浙江长华汽车零部件有限公司 | High-accuracy high-efficiency nutplate and forming method |
| CN107237801A (en) * | 2017-07-14 | 2017-10-10 | 青岛荣安机械有限公司 | A kind of novel furniture fixing device |
| CN107504024A (en) * | 2017-06-28 | 2017-12-22 | 宝沃汽车（中国）有限公司 | A kind of nutplate assembly |
| CN107514417A (en) * | 2017-10-18 | 2017-12-26 | 北京汽车研究总院有限公司 | A kind of buckle nut and clamping assembly |
| CN109093329A (en) * | 2018-08-16 | 2018-12-28 | 乐清市永成机械有限公司 | A kind of processing technology of Water pump head inner flow passage inserts |
| CN112958676A (en) * | 2021-04-08 | 2021-06-15 | 重庆百钰顺科技有限公司 | Application of stretching nut to computer keyboard top support |
| CN113997038A (en) * | 2021-11-12 | 2022-02-01 | 苏州施米特机械有限公司 | Self-piercing riveting die and self-piercing riveting equipment |
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| CN107035754A (en) * | 2017-06-05 | 2017-08-11 | 浙江长华汽车零部件有限公司 | High-accuracy high-efficiency nutplate and forming method |
| CN107504024A (en) * | 2017-06-28 | 2017-12-22 | 宝沃汽车（中国）有限公司 | A kind of nutplate assembly |
| CN107237801A (en) * | 2017-07-14 | 2017-10-10 | 青岛荣安机械有限公司 | A kind of novel furniture fixing device |
| CN107514417A (en) * | 2017-10-18 | 2017-12-26 | 北京汽车研究总院有限公司 | A kind of buckle nut and clamping assembly |
| CN109093329A (en) * | 2018-08-16 | 2018-12-28 | 乐清市永成机械有限公司 | A kind of processing technology of Water pump head inner flow passage inserts |
| CN109093329B (en) * | 2018-08-16 | 2020-10-23 | 乐清市永成机械有限公司 | Processing technology of runner insert in water pump head |
| CN112958676A (en) * | 2021-04-08 | 2021-06-15 | 重庆百钰顺科技有限公司 | Application of stretching nut to computer keyboard top support |
| CN113997038A (en) * | 2021-11-12 | 2022-02-01 | 苏州施米特机械有限公司 | Self-piercing riveting die and self-piercing riveting equipment |
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