CN113638029B - Plug-in type fixing tool and fixing structure of workpiece - Google Patents
Plug-in type fixing tool and fixing structure of workpiece Download PDFInfo
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- CN113638029B CN113638029B CN202110792486.7A CN202110792486A CN113638029B CN 113638029 B CN113638029 B CN 113638029B CN 202110792486 A CN202110792486 A CN 202110792486A CN 113638029 B CN113638029 B CN 113638029B
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D13/00—Electrophoretic coating characterised by the process
- C25D13/22—Servicing or operating apparatus or multistep processes
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D13/00—Electrophoretic coating characterised by the process
- C25D13/12—Electrophoretic coating characterised by the process characterised by the article coated
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- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
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Abstract
The invention discloses a plug-in type fixing tool and a fixing structure of a workpiece, wherein the plug-in type fixing tool is used for installing a second workpiece on a first workpiece and is arranged at intervals, and comprises a spacer body, a first connecting part and a second connecting part, wherein the spacer body is provided with a first end face and a second end face which are oppositely arranged, the first end face and the second end face are correspondingly provided with a first abutting part and a second abutting part, and the first abutting part and the second abutting part are respectively provided with abutting surfaces which are arranged in a curved surface and are respectively abutted with the corresponding first workpiece end face of the first workpiece and the second workpiece end face of the second workpiece; the first connecting part is arranged on the first end surface and is used for being inserted into a first via hole on the end surface of the first workpiece; the second connecting part is arranged on the second end face and used for extending out of a second through hole on the end face of the second workpiece. The butt surface that is the curved surface setting respectively with two work piece terminal surfaces butt, stable in structure and area of contact are little, and two work pieces electrophoresis covers the face extensively, and corrosion resistance is good, and this frock repeatedly usable.
Description
Technical Field
The invention relates to the technical field of electrophoresis, in particular to a plug-in type fixing tool and a workpiece fixing structure.
Background
When the automobile body is in electrophoresis, the water tank upper beam module (common steel) needs to be assembled, the water tank upper beam module needs to be disassembled after the automobile is assembled, and the water tank upper beam is assembled again after the components in the front cabin are assembled. The traditional scheme is that the water tank upper cross beam is assembled on the vehicle body by adopting bolts and electrophoresis is carried out, and electrophoresis shielding exists at the lap joint of the water tank upper cross beam and the vehicle body due to the fact that inner side metal plates are attached, so that no electrophoresis paint exists on the attaching surface between the water tank upper cross beam and the vehicle body. The water tank upper beam is disassembled after final assembly, the water tank upper beam module is reassembled after components in the engine room are assembled, if the water tank upper beam is staggered compared with the original assembly position, the joint surface which is not covered by electrophoretic paint leaks outside by 1.0-2.0 mm, the joint surface which is not protected by the electrophoretic paint contacts with water vapor and air, rust corrosion is easy to occur, quality hidden danger exists, and a series of after-sales problems are brought.
Disclosure of Invention
The invention mainly aims to provide a plug-in type fixing tool and a workpiece fixing structure, and aims to solve the problem that a water tank cross beam and a vehicle body are easy to rust at present.
In order to achieve the above objective, the present invention provides a plug-in type fixture for installing a second workpiece on a first workpiece and being spaced apart from each other, the plug-in type fixture comprising:
the spacer is provided with a first end face and a second end face which are oppositely arranged, a first abutting part and a second abutting part are correspondingly arranged on the first end face and the second end face, free ends of the first abutting part and the second abutting part are respectively provided with abutting faces which are arranged in a curved surface, and the abutting faces of the first abutting part and the second abutting part are respectively used for abutting against the corresponding first workpiece end face of the first workpiece and the corresponding second workpiece end face of the second workpiece;
the first connecting part is arranged on the first end face and is used for being matched with a first through hole on the first workpiece end face; the method comprises the steps of,
the second connecting part is arranged on the second end face and is used for being matched with a second through hole on the second workpiece end face.
Optionally, a through connection hole is formed in the first end face, a connection rod is fixedly sleeved in the connection hole, a portion, extending out of the first end face, of the connection rod forms the first connection portion, and a portion, extending out of the second end face, of the connection rod forms the second connection portion.
Optionally, the first abutment and the second abutment are both provided in plurality;
the outer side of the spacer is provided with a plurality of spheres, the parts of the spheres protruding the first end face form a plurality of first abutting parts, and the parts of the spheres protruding the second end face form a plurality of second abutting parts.
Optionally, a first limiting portion is disposed at a free end of the first connection portion, and the first limiting portion is configured to limit the first connection portion from sliding out of the first via hole.
Optionally, the first connecting portion includes two elastic arms disposed at the free end of the first connecting portion, and the two elastic arms are disposed at intervals, where at least one elastic arm is disposed at the first limiting portion.
Optionally, in the extending direction of the first connecting portion away from the spacer, the two elastic arms include a first elastic section and a second elastic section that are tapered, and the first limiting portion is disposed on the second elastic section.
Optionally, a second limiting portion is disposed at a free end of the second connecting portion, and the second limiting portion is configured to limit the second workpiece from being separated from the second connecting portion.
Optionally, the second limiting portion is disposed in a long shape on a plane where a cross section of the second limiting portion is located, so as to protrude laterally from the second connecting portion at least in a direction where a long side of the second limiting portion is located.
The invention also provides a plug-in type fixing tool, which comprises:
a first workpiece;
the second workpiece is arranged on the first workpiece and is arranged at intervals with the first workpiece; the method comprises the steps of,
foretell fixed frock of plug-in, fixed frock of plug-in includes:
the spacer is provided with a first end face and a second end face which are oppositely arranged, a first abutting part and a second abutting part are correspondingly arranged on the first end face and the second end face, free ends of the first abutting part and the second abutting part are respectively provided with abutting faces which are arranged in a curved surface, and the abutting faces of the first abutting part and the second abutting part are respectively used for abutting against the corresponding first workpiece end face of the first workpiece and the corresponding second workpiece end face of the second workpiece;
the first connecting part is arranged on the first end face and is used for being matched with a first through hole on the first workpiece end face; the method comprises the steps of,
the second connecting part is arranged on the second end face and is used for being matched with a second through hole on the second workpiece end face.
Optionally, the first workpiece is a vehicle body, and the second workpiece is a water tank cross beam.
According to the technical scheme, the first connecting part is inserted into the first through hole to avoid loosening, the first abutting part abuts against the end face of the first workpiece, the plug-in type fixing tool is stably installed on the first workpiece, then the second workpiece is sleeved into the second connecting part through the second through hole to avoid loosening, the second abutting part abuts against the end face of the second workpiece, the second workpiece is installed completely, and as the abutting surfaces of the first abutting part and the second abutting part are arranged in a curved surface, the curved surface contacts with the end face, the contact area is small, the electrophoresis coverage is sufficient when the first workpiece and the second workpiece are subjected to electrophoresis, the corrosion resistance of the first workpiece and the second workpiece is improved, and the tool is in a plug-in type fixing mode, even if electrophoresis paint is adhered, the function is not affected, and the tool can be reused.
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 only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of an embodiment of a pluggable fixing tool provided by the present invention;
fig. 2 is a front view of the pluggable fixture of fig. 1;
FIG. 3 is a schematic side view of the pluggable fixture of FIG. 1;
FIG. 4 is a schematic top view of the pluggable fixture of FIG. 1;
FIG. 5 is a schematic structural view of the pluggable fixture of FIG. 1 installed in cooperation with a first workpiece and a second workpiece;
fig. 6 is a schematic structural diagram of the pluggable fixing tool in fig. 1, the water tank cross beam and the vehicle body in a matched installation mode.
Reference numerals illustrate:
the achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. 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.
In the case where a directional instruction is involved in the embodiment of the present invention, the directional instruction is merely used to explain the relative positional relationship, movement condition, etc. between the components in a specific posture, and if the specific posture is changed, the directional instruction is changed accordingly.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.
When the automobile body is in electrophoresis, the water tank upper beam module (common steel) needs to be assembled, the water tank upper beam module needs to be disassembled after the automobile is assembled, and the water tank upper beam is assembled again after the components in the front cabin are assembled. The traditional scheme is that the water tank upper cross beam is assembled on the vehicle body by adopting bolts and electrophoresis is carried out, and electrophoresis shielding exists at the lap joint of the water tank upper cross beam and the vehicle body due to the fact that inner side metal plates are attached, so that no electrophoresis paint exists on the attaching surface between the water tank upper cross beam and the vehicle body. The water tank upper beam is disassembled after final assembly, the water tank upper beam module is reassembled after components in the engine room are assembled, if the water tank upper beam is staggered compared with the original assembly position, the joint surface which is not covered by electrophoretic paint leaks outside by 1.0-2.0 mm, the joint surface which is not protected by the electrophoretic paint contacts with water vapor and air, rust corrosion is easy to occur, quality hidden danger exists, and a series of after-sales problems are brought.
In view of the above, the invention provides a plug-in type fixing tool and a fixing structure of a workpiece, which solve the problem that the existing water tank cross beam and a vehicle body are easy to rust. Fig. 1 to 5 are diagrams illustrating an embodiment of a pluggable fixing tool according to the present invention, and fig. 6 is a diagram illustrating an embodiment of a water tank beam according to the present invention mounted on a vehicle body by the pluggable fixing tool.
Referring to fig. 1, the pluggable fixing tool 100 is configured to mount a second workpiece 300 on a first workpiece 200 and is disposed at a distance from each other, and includes a spacer 1, a first connecting portion 2, and a second connecting portion 3, wherein the spacer 1 has a first end surface 11 and a second end surface 12 that are disposed opposite to each other, the first end surface 11 and the second end surface 12 are correspondingly provided with a first abutting portion 111 and a second abutting portion 121, the first abutting portion 111 and the second abutting portion 121 each have an abutting surface disposed in a curved surface, and the abutting surfaces are respectively configured to abut against the corresponding first workpiece end surface 201 of the first workpiece 200 and the corresponding second workpiece end surface 301 of the second workpiece 300; the first connecting portion 2 is disposed on the first end surface 11, and the first connecting portion 2 is configured to be inserted into a first via 202 on the first workpiece end surface 201; the second connecting portion 3 is disposed on the second end surface 12, and the second connecting portion 3 is configured to extend out of the second via hole 302 on the second workpiece end surface 301.
In the solution of the present invention, the first connection portion 2 is inserted into the first via hole 202 to avoid loosening, the first abutment portion 111 abuts against the first workpiece end surface 201, the pluggable fixing tool 100 is stably mounted on the first workpiece 200, then the second workpiece 300 is sleeved into the second connection portion 3 through the second via hole 302 to avoid loosening, the second abutment portion 121 abuts against the second workpiece end surface 301, and the second workpiece 300 is mounted, and since the abutment of the first abutment portion 111 and the second abutment portion 121 is a curved surface, the curved surface contacts the end surface, the contact area is small, and when the first workpiece 200 and the second workpiece 300 are subjected to electrophoresis, the electrophoretic coverage is sufficient, thereby improving the corrosion resistance of the first workpiece 200 and the second workpiece 300, and since the tooling is a pluggable fixing method, even if the electrophoretic paint is adhered, the function is not affected, and the tooling can be reused.
Specifically, referring to fig. 1 to 4, a through connection hole is disposed on the first end face 11, the connection hole is fixedly sleeved on a connection rod, a portion of the connection rod extending out of the first end face 11 forms the first connection portion 2, and a portion of the connection rod extending out of the second end face 12 forms the second connection portion 3. Simple structure, small and exquisite, simple manufacture can be by the in-plant self-control according to the demand, and the rational utilization in-plant resource reduces outsourcing cost and commodity circulation turnover cost.
It should be noted that, the manner in which the first connecting portion 2 and the second connecting portion 3 are disposed in the spacer 1 is not limited, a plug may be inserted into the connecting hole and then welded, or the connecting hole is threaded and is connected with a connecting rod by threads, or of course, two connecting rods may be welded on the first end face 11 and the second end face 12 respectively, and the two connecting rods may be coaxial or not coaxial, so long as the first connecting portion 2 may be inserted into the first via 202 and the second via 302 respectively corresponding to the second connecting portion 3, so as to ensure that the pluggable fixture 100 is not easy to shake.
Referring to fig. 1 to 4, in an embodiment of the invention, a plurality of first abutting portions 111 and a plurality of second abutting portions 121 are provided; the outer side of the spacer 1 is provided with a plurality of balls 13, the portions of the balls 13 protruding the first end face 11 constitute the first abutting portions 111, the portions of the balls 13 protruding the second end face 12 constitute the second abutting portions 121, and the spherical surfaces of the balls 13 constitute the curved surface. So set up, simple structure, the orbit that supports the pressure formation between sphere and the terminal surface is a plurality of points, and area of contact is little, will second work piece 300 install in behind the first work piece 200, electrophoresis of first work piece 200 and breaker second work piece 300 covers fully, has reduced the possibility of taking place the corrosion.
In the present invention, the number of the balls 13 is not limited, and the balls 13 may be three, so that the first abutting portion 111 abuts against the first workpiece end surface 201, and the second workpiece end surface 301 abuts against the second abutting portion 121, and is not easy to shake, so that electrophoresis of the first workpiece 200 and the second workpiece 300 is stably performed.
The specific form of the first abutting portion 111 and the second abutting portion 121 is not limited, and may have an abutting surface with a curved surface, for example, the first abutting portion 111 and the second abutting portion 121 may be circular columns, the curved surfaces of the circular columns are abutting surfaces, and the track formed by abutting the abutting surfaces with the first workpiece end surface 201 and the second workpiece end surface 301 is a line, so that compared with the prior art, the electrophoresis coverage surface of the first workpiece 200 and the second workpiece 300 is improved, and the corrosion resistance is improved.
Referring to fig. 1 and fig. 5, in order to avoid the first connecting piece from sliding out of the first via 202, a first limiting portion 22 is disposed at a free end of the first connecting portion 2, and the first limiting portion 22 is used to limit the first connecting portion 2 from sliding out of the first via 202, so as to ensure that electrophoresis of the first workpiece 200 and the second workpiece 300 is performed smoothly.
Further, referring to fig. 1 to 4, the first connecting portion 2 includes two elastic arms 21 disposed at the free end of the first connecting portion 2, the two elastic arms 21 are disposed at intervals, and at least one elastic arm 21 is disposed with the first limiting portion 22. So set up, two elastic arms 21 are at the in-process of inserting first via hole 202, warp and be close to each other, make first spacing portion 22 follow one end of first via hole 202 moves to the other end, when need demolish, exert certain pulling force can, simple structure, easy dismounting.
Referring to fig. 1 to 5, in order to facilitate the first connecting piece to be inserted into the first via hole 202, in the extending direction of the first connecting portion 2 away from the spacer 1, the two elastic arms 21 include a first elastic section 211 and a second elastic section 212 that are tapered, and the first limiting portion 22 is disposed on the second elastic section 212. So configured, the second elastic segment 212 can be quickly inserted into the first via 202, thereby improving the mounting efficiency.
Referring to fig. 5, in order to ensure that the first connecting piece slides stably in the first via hole 202, a limiting sleeve 203 is disposed on the first workpiece end surface 201, and an inner hole of the limiting sleeve 203 is disposed opposite to the first via hole 202, so as to avoid larger shaking of the first connecting piece due to smaller thickness of the first workpiece end surface 201 and larger aperture of the first via hole 202.
Referring to fig. 1 and fig. 5, in order to facilitate the second via 302 being sleeved on the second connecting portion 3, the second workpiece 300 is not separated from the second connecting portion 3, and a second limiting portion 31 is disposed at a free end of the second connecting portion 3, where the second limiting portion 31 is used to limit the second workpiece 300 from being separated from the second connecting portion 3. Ensuring that the electrophoresis of the first work-piece 200 and the second work-piece 300 proceeds smoothly.
Specifically, referring to fig. 2 to 5, the second limiting portion 31 is disposed in a long shape on a plane of a cross section thereof, so as to protrude laterally from the second connecting portion 3 at least in a direction of a long side thereof. So set up, when needs are installed second work piece 300, make second via hole 302 just to second spacing portion 31 guarantees second spacing portion 31 can pass second via hole 302, after the installation, rotate second spacing portion 31 for the long limit of second spacing portion 31 has the projection on the second work piece terminal surface 301, the installation and the fixed mode of second work piece 300 are simple, raise the efficiency.
The invention also provides a fixing structure of the workpiece, which comprises all the technical features of the pluggable fixing tool 100, so that the fixing structure also has the technical effects brought by all the technical features, and the technical effects are not repeated here.
Specifically, referring to fig. 6, in an embodiment of the fixing structure of the workpiece in the present invention, the first workpiece 200 is a vehicle body, the second workpiece 300 is a tank beam, so as to ensure that the vehicle body and the tank beam have wide electrophoretic coverage, and improve corrosion resistance of the vehicle body and the tank beam.
It should be emphasized that, compared with the prior art that the first workpiece 200 and the second workpiece 300 are fixedly connected by threads, the method avoids the situation that the electrophoretic paint is stuck on the threaded connection, and cannot be used continuously.
Referring to fig. 2 to 5, the dimensions of the pluggable fixing tool 100 provided by the present invention are described and limited. In the present invention, the inner diameter of the limiting sleeve/nut 203 is r, the long side of the second via 302 is H, and the short side of the second via 302 is K. Specifically, a requirement (D 1 －d 6 )<r，d 2 < r ensures that the first connector can be inserted into the inner bore of the limit sleeve/nut 203; (D) 1 +h 1 -d 1 )<r，d 2 < r ensures that the first stop 22 can pass smoothly through the stop sleeve/nut 203; l (L) 1 ＜L 2 The weight of the first connecting part 2 can be reduced, the rigidity of the elastic arms 21 can be reduced, the two elastic arms 21 can be deformed conveniently and are mutually close, the connection strength between the first connecting part and the second end face 12 of the spacer body can be ensured, and the welding is facilitated; d (D) 1 ＞r，(D 1 －d 6 )<r，d 2 And r, ensuring that the first connecting part 2 can clamp the limit sleeve 203 and the first connecting part 2 can slide in the first through hole 202 smoothly. K (K)<L 8 <H，L 9 <K, so as to ensure that the second limiting part 31 can pass through the second through hole 302, and simultaneously ensure that the second limiting part 31 can clamp the second workpiece 300 after rotating.
The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, and all equivalent structural changes made by the description of the present invention and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the invention.
Claims (5)
1. The utility model provides a fixed frock of plug-in for install the second work piece in first work piece and mutual interval sets up, its characterized in that, fixed frock of plug-in includes:
the spacer is provided with a first end face and a second end face which are oppositely arranged, a first abutting part and a second abutting part are correspondingly arranged on the first end face and the second end face, free ends of the first abutting part and the second abutting part are respectively provided with abutting faces which are arranged in a curved surface, and the abutting faces of the first abutting part and the second abutting part are respectively used for abutting against the corresponding first workpiece end face of the first workpiece and the corresponding second workpiece end face of the second workpiece;
the first connecting part is arranged on the first end face and is used for being matched with the first through hole on the first workpiece end face, a first limiting part is arranged at the free end of the first connecting part, and the first limiting part is used for limiting the first connecting part to slide out of the first through hole; the method comprises the steps of,
the second connecting part is arranged on the second end face and is used for being matched with a second through hole on the second workpiece end face, a second limiting part is arranged at the free end of the second connecting part, and the second limiting part is used for limiting the second workpiece to be separated from the second connecting part;
the connecting rod is fixedly sleeved with a connecting rod, the part of the connecting rod extending out of the first end face forms the first connecting part, and the part of the connecting rod extending out of the second end face forms the second connecting part;
the first connecting part comprises two elastic arms arranged at the free end of the first connecting part, and the two elastic arms are arranged at intervals, wherein at least one elastic arm is provided with the first limiting part;
the second limiting part is arranged in a long shape on a plane where the cross section of the second limiting part is located, so that the second connecting part is arranged at least in the direction where the long side of the second limiting part is located and protrudes laterally.
2. The pluggable fixation fixture of claim 1, wherein the first abutment and the second abutment are provided in plurality;
the outer side of the spacer is provided with a plurality of spheres, the parts of the spheres protruding the first end face form a plurality of first abutting parts, and the parts of the spheres protruding the second end face form a plurality of second abutting parts.
3. The pluggable fixation fixture of claim 1, wherein the two elastic arms include a first elastic section and a second elastic section that are tapered in an extending direction of the first connection portion away from the spacer, and the first limiting portion is disposed on the second elastic section.
4. A fixing structure of a workpiece, characterized by comprising:
a first workpiece;
the second workpiece is arranged on the first workpiece and is arranged at intervals with the first workpiece; the method comprises the steps of,
a plug-in fixture according to any one of claims 1 to 3.
5. The workpiece fixing structure according to claim 4, wherein the first workpiece is a vehicle body, and the second workpiece is a tank cross member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110792486.7A CN113638029B (en) | 2021-07-13 | 2021-07-13 | Plug-in type fixing tool and fixing structure of workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110792486.7A CN113638029B (en) | 2021-07-13 | 2021-07-13 | Plug-in type fixing tool and fixing structure of workpiece |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113638029A CN113638029A (en) | 2021-11-12 |
| CN113638029B true CN113638029B (en) | 2023-07-28 |
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| CN202110792486.7A Active CN113638029B (en) | 2021-07-13 | 2021-07-13 | Plug-in type fixing tool and fixing structure of workpiece |
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Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202482464U (en) * | 2012-03-16 | 2012-10-10 | 王语瑶 | Interval supporting frame for automobile frame painting |
| CN203899879U (en) * | 2014-05-29 | 2014-10-29 | 安徽江淮汽车股份有限公司 | Coating clamp for front enclosure panel of commercial vehicle |
| CN205024336U (en) * | 2015-09-08 | 2016-02-10 | 北京汽车研究总院有限公司 | Frock is fixed to electrophoresis |
| CN206897702U (en) * | 2017-06-09 | 2018-01-19 | 浙江世宏实业有限公司 | Full-automatic blanking device |
| CN208944420U (en) * | 2018-09-12 | 2019-06-07 | 北京长城华冠汽车技术开发有限公司 | Novel fastening tooling for Painting Shop |
| CN209600638U (en) * | 2018-12-07 | 2019-11-08 | 上汽通用五菱汽车股份有限公司 | A kind of mounting surface structure of fender |
| CN112609233B (en) * | 2020-12-14 | 2022-12-30 | 杭州沃丰过滤设备有限公司 | Net surface roller for electroplating |
| CN113200089A (en) * | 2021-03-31 | 2021-08-03 | 安徽江淮汽车集团股份有限公司 | Water tank entablature mounting structure and car |
| CN215507598U (en) * | 2021-03-31 | 2022-01-14 | 上汽通用五菱汽车股份有限公司 | Supporting device for coating automobile engine hood |
| CN215757693U (en) * | 2021-08-10 | 2022-02-08 | 奇瑞商用车（安徽）有限公司 | Automobile back door electrophoresis tool |
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