CN113401251B - Finished automobile door surface difference fine adjustment tool and finished automobile door surface difference fine adjustment method - Google Patents
Finished automobile door surface difference fine adjustment tool and finished automobile door surface difference fine adjustment method Download PDFInfo
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- CN113401251B CN113401251B CN202110737831.7A CN202110737831A CN113401251B CN 113401251 B CN113401251 B CN 113401251B CN 202110737831 A CN202110737831 A CN 202110737831A CN 113401251 B CN113401251 B CN 113401251B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D65/00—Designing, manufacturing, e.g. assembling, facilitating disassembly, or structurally modifying motor vehicles or trailers, not otherwise provided for
- B62D65/005—Inspection and final control devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D65/00—Designing, manufacturing, e.g. assembling, facilitating disassembly, or structurally modifying motor vehicles or trailers, not otherwise provided for
Abstract
The invention provides a finished vehicle door surface difference fine adjustment tool applied to the technical field of finished vehicle assembly, and also relates to a finished vehicle door surface difference fine adjustment method, wherein a base (2) of the finished vehicle door surface difference fine adjustment tool is arranged to be in a U-shaped structure, a mounting position (14) at the bottom of the base (2) is provided with a scale plate body (15) of a scale plate (7), a scale plate piece (16) extends towards the outer side of the mounting position (14) in a way of being vertical to the scale plate body (15), one end of a sliding ruler (1) is provided with a sliding sleeve (17), and the sliding sleeve (17) is movably sleeved on the scale plate piece (16). And the adjustment requirement can be met by one-time adjustment, the labor intensity is reduced, and the efficiency is improved.
Description
Technical Field
The invention belongs to the technical field of finished automobile assembly, and particularly relates to a finished automobile door surface difference fine adjustment tool and a finished automobile door surface difference fine adjustment method.
Background
The clearance surface difference between the front door and the rear door of the whole vehicle belongs to a high-sensitivity area for appearance perception of the whole vehicle, and the good surface difference can embody the precision and the benefit of the manufacture of the whole vehicle, improve the quality of the whole vehicle and improve the market acceptance. The surface differences of the front door, the rear door and the side wall of the whole automobile are directly determined by the positions of the door lock catches after assembly, and the lock catch installation is basically set and adjustable in consideration of manufacturing and assembly deviation. At present most host computer factories all directly use the hammer frock to correct the hasp repeatedly in the poor conventionality of adjustment whole car door face to satisfy qianmen and back door, back door and side wall face are poor, and this process exists adjustment time long, and factors such as panel beating and lacquer coat damage risk are big reduce whole car efficiency of inserting production line and whole car quality, bring higher cost loss, under this kind of condition, a can accurate debugging and can avoid the frock of whole car damage very have the design necessity. In conclusion, the conventional poor routine of whole car door face among the prior art all directly uses hammer frock to correct the hasp repeatedly to satisfy qianmen and back door, back door and side wall face are poor, and this process has the adjustment time long, and panel beating and lacquer painting damage risk factor such as big.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the tool is simple in structure, convenient to operate and capable of accurately adjusting the door surface difference of the whole vehicle conveniently and quickly, error control is conducted within a set standard surface difference numerical range, the assembly precision of the whole vehicle is improved, surface and structural damage to the whole vehicle and accessories of the whole vehicle can be avoided in the debugging process, adjustment requirements can be met through one-time adjustment, labor intensity is reduced, and efficiency is improved.
To solve the technical problems, the invention adopts the technical scheme that:
the invention relates to a finished automobile door surface difference fine adjustment tool which comprises a sliding ruler and a base, wherein the base is arranged to be in a U-shaped structure, a scale plate body of a scale plate is installed at an installation position at the bottom of the base, the scale plate extends towards the outer side of the installation position and is perpendicular to the scale plate body, a sliding sleeve is arranged at one end of the sliding ruler and movably sleeved on the scale plate, and a magnet with a rubber pad is arranged on the back of the base.
The scale plate and the sliding ruler are arranged in parallel, and the sliding sleeve is arranged in a structure capable of sliding relative to the scale plate.
The installation position of base bottom set up adjustable gasket, the scale plate body passes through scale plate fastening screw fixed mounting in the installation position.
The scale plate body is further provided with a scale plate positioning pin, and the scale plate positioning pin penetrates through the scale plate body and extends into the positioning hole in the adjustable gasket.
The outer side of the installation position of the base is provided with a handle rope.
Each end part of the base is provided with a bent small foot stand.
The scale plate body and the scale plate part of the scale plate are of an integrated structure, and the sliding ruler and the sliding sleeve are of an integrated structure.
The invention also relates to a fine adjustment method for the difference of the car door surfaces, which has simple steps and convenient operation, can conveniently and quickly carry out accurate adjustment on the difference of the car door surfaces, ensures that the error is controlled in the set standard difference numerical range, improves the assembly precision of the whole car, does not bring surface and structural damage to the whole car and accessories thereof in the debugging process, can meet the adjustment requirement by one-time installation and adjustment, reduces the labor intensity and improves the efficiency, and the fine adjustment steps of the fine adjustment method for the difference of the car door surfaces are as follows:
s1, assembling a vehicle door to a vehicle body, enabling the vehicle body with the vehicle door to flow to a door cover assembling and adjusting station, using a corresponding lock catch fastening screw to fasten a lock catch to the vehicle body, then closing the vehicle door once, enabling a lock body to be in contact with a lock pin on the outer side of the lock catch in the motion process of the vehicle door to perform self balancing, finding the Z-direction position of the lock catch, and recording the surface difference value from the vehicle door to a corresponding matching piece by using a surface difference ruler;
s2, opening the vehicle door, positioning the tool on the vehicle body, wherein the positioning mode is as follows: a U-shaped groove formed by a scale plate and a sliding ruler is used for clamping a lock pin on the outer side of a lock catch, the Z direction of the tool is limited, two small footstools on a base are in contact with a flanging surface on the side part of the side wall of the vehicle body, the Y direction of the tool is limited, meanwhile, the back surface of the base is in contact with the surface of the side wall of the vehicle body, the X direction of the tool is limited, a magnet with a rubber pad is adsorbed on the side wall of the vehicle body, and the tool is installed in place;
s3, sliding a sliding ruler on the tool, enabling the sliding ruler to be in contact with a lock pin on the outer side of the lock catch, checking the alignment position of the sliding ruler and scale marks on the scale plate piece, loosening a fastening screw of the lock catch, adjusting the Y-direction position of the lock catch, taking down the tool, closing the car door, and checking the matching state;
and S4, if the surface difference value does not reach the set standard numerical value range, repeating the step S2, the step S3 and the step S4, and continuing to adjust until the actual value meets the set standard numerical value requirement.
In the step S1, after the vehicle door is assembled with the accessories in the separate loading line, the vehicle door is assembled to the vehicle body by the vehicle door hinge, and the vehicle body with the vehicle door flows to the door cover assembling and adjusting station by the line body.
By adopting the technical scheme of the invention, the following beneficial effects can be obtained:
the invention provides a brand-new improvement scheme for the finished vehicle door surface difference fine adjustment tool, aiming at the defects in the prior art. In order to stably position the tool in the using process, a 3-2-1 mode is adopted for limiting, namely 6 degrees of freedom are restrained, a U-shaped groove formed by a scale plate and a sliding ruler is designed for limiting the Z direction, the U-shaped groove in the middle of the scale plate and the sliding ruler is matched with a lock pin on the outer side of a lock catch, and the gap amount of 0.1mm on one side is kept (namely the width size of the U-shaped groove = the diameter of the lock pin of the lock catch plus 0.2 mm), so that the design aim is that the position of the lock catch in the Z direction after the vehicle door is mounted is determined, a vehicle door can be closed by adopting self-balancing force, and a larger Z-direction position is found; a U-shaped base imitating the shape of a side wall sheet metal surface is designed, the large surface of the base is matched with the mounting surface of a lock catch, the X direction of the tool is limited, meanwhile, two small foot platforms with bent turned edges are extended out of the base and matched with the seam allowance edge surface (turned edge surface) of the side wall of the vehicle body, and the Y direction of the tool is limited; meanwhile, the lower part of the base is provided with one or more round magnets with rubber cushions, so that the tool can be adsorbed to the side wall metal plate surface installed by the lock catch. Because the condition that the tool is not taken down possibly exists in the debugging process, the gap between the vehicle door and the side wall metal plate is smaller after the vehicle door is closed, and the connecting gasket is designed between the scale plate and the base and can be adjusted according to the actual condition; in order to accurately identify the position of the lock pin, the tool is provided with the sliding ruler which can slide in two directions relative to the scale plate, when the sliding ruler is contacted with the lock pin on the outer side of the lock catch, the scale of the position of the lock pin on the outer side of the lock catch can be accurately identified, and meanwhile, in order to prevent the sliding ruler from accidentally marking the scale plate, the scale plate is provided with a sliding ruler limiting block; in addition, in order to easily take off the frock after the adjustment finishes, there is design handle rope on the frock base. The finish turning tool for the vehicle door surface difference of the whole vehicle is simple in structure and convenient to operate, can be used for conveniently and quickly performing finish turning on the vehicle door surface difference, enables an error to be controlled in a set standard surface difference numerical range, improves the assembly precision of the whole vehicle, meanwhile does not bring surface and structural damage to the whole vehicle and accessories in the debugging process, can meet the adjustment requirement through one-time adjustment, reduces the labor intensity and improves the efficiency.
Drawings
The contents of the description and the references in the drawings are briefly described as follows:
FIG. 1 is a schematic structural diagram of a finished vehicle door surface difference fine adjustment tool provided by the invention;
FIG. 2 is a schematic structural view of the back surface of the finished vehicle door surface difference fine adjustment tool;
FIG. 3 is a schematic diagram of the finished vehicle door surface difference fine adjustment tool in use;
in the drawings, the reference numbers are respectively: 1-sliding ruler; 2-a base; 3-positioning pins of the scale plate; 4-handle rope; 5-fastening screws by using the scale plate; 6-adjustable spacer; 7-a scale plate; 8-a sliding ruler limiting block; 9-magnet with rubber pad; 10-body side wall; 11-assembling; 12-locking and buckling; 13-locking fastening screws; 14-a mounting location; 15-scale plate body; 16-a scale plate member; 17-a sliding sleeve; 18-small foot platform; 19-a locking pin; 20-flanging surface.
Detailed Description
The following detailed description of the embodiments of the present invention, such as the shapes and structures of the components, the mutual positions and connection relations among the components, the functions and operation principles of the components, will be made by referring to the accompanying drawings and the description of the embodiments:
the invention discloses a finished automobile door surface difference fine adjustment tool, which comprises a sliding ruler 1 and a base 2, wherein the base 2 is set to be in a U-shaped structure, a scale plate body 15 of a scale plate 7 is installed at an installation position 14 at the bottom of the base 2, the scale plate 16 extends towards the outer side of the installation position 14 perpendicular to the scale plate body 15, a sliding sleeve 17 is arranged at one end of the sliding ruler 1, the sliding sleeve 17 is movably sleeved on the scale plate 16, and a magnet 9 with a rubber pad is arranged at the back of the base 2. The structure provides a brand new improvement scheme aiming at the defects in the prior art. In order to stably position the tool in the using process, a 3-2-1 mode is adopted for limiting, namely 6 degrees of freedom are restrained, a U-shaped groove formed by a scale plate 16 and a sliding ruler 1 is designed for limiting the Z direction, the U-shaped groove in the middle of the scale plate 16 and the sliding ruler 1 is matched with a lock pin on the outer side of a lock catch, and the gap amount of 0.1mm on one side is kept (namely the width size of the U-shaped groove = the diameter of the lock pin of the lock catch +0.2 mm), the design aim is that the position of the lock catch in the Z direction after the car door is mounted is determined, the car door can be closed once by large force, self-balancing is carried out, and the Z-direction position is accurately found; a U-shaped base 2 imitating the shape of a side wall sheet metal surface is designed, the large surface of the base 2 is matched with the mounting surface of a lock catch, and the X direction of a limiting tool 11 is realized, meanwhile, two small foot platforms bent by flanging extend out of the base and are matched with the seam allowance edge surface (flanging surface) of the side wall of the vehicle body, and the Y direction of the limiting tool is realized; meanwhile, 4 or more round magnets with rubber pads are designed on the lower portion of the base, and the tool can be adsorbed to the side wall metal plate surface installed by the lock catch. Because the tool is not taken down in the debugging process, and the gap between the car door and the side wall metal plate is small after the car door is closed, a connecting gasket (with the thickness of 0.1mm-0.5 mm) is designed between the scale plate and the base and can be adjusted according to the actual condition; in order to accurately identify the position of the lock pin, the tool is provided with a sliding ruler which can slide in two directions relative to the scale plate, when the sliding ruler is contacted with the lock pin on the outer side of the lock catch, the scale of the position of the lock pin on the outer side of the lock catch can be accurately identified, and meanwhile, in order to prevent the sliding ruler 7 from accidentally marking the scale plate 16, the scale plate is provided with a sliding ruler limiting block 8; in addition, in order to easily take off the frock after the adjustment finishes, there is design handle rope 4 on the frock base. The tool for accurately adjusting the surface difference of the whole vehicle door is simple in structure and convenient to operate, can be used for conveniently and quickly accurately adjusting the surface difference of the whole vehicle door, enables an error to be controlled in a set standard surface difference numerical range, improves the assembly accuracy of the whole vehicle, meanwhile does not bring surface and structural damage to the whole vehicle and accessories in the debugging process, can meet the adjustment requirement by once installation and adjustment, reduces the labor intensity and improves the efficiency.
The scale plate 16 and the sliding ruler 1 are arranged in parallel, and the sliding sleeve 17 is arranged in a structure capable of sliding relative to the scale plate 16. Above-mentioned structure, through the slip sliding sleeve, the sliding sleeve removes for the scale plate, and the sliding scale takes place the position for the scale plate and removes, like this, can the accurate lockpin position scale who discerns the hasp outside.
The installation position 14 of base 2 bottom set up adjustable gasket 6, scale plate body 15 passes through scale plate fastening screw 5 fixed mounting at installation position 14. According to the structure, the condition that the tool is not taken down probably exists in the debugging process, and the gap between the closed rear door of the vehicle door and the side wall metal plate is small, so that the connecting gasket (with the thickness of 0.1-0.5 mm) is designed between the scale plate and the base, the adjusting can be carried out according to the actual condition, and the number of the adjustable gaskets is variable.
The scale plate body 15 on still set up scale plate locating pin 3, scale plate locating pin 3 passes scale plate body 15 and extends to the locating hole on adjustable gasket 6 in.
The outer side of the installation position 14 of the base 2 is provided with a handle rope 4.
Each end part of the base 2 is provided with a small bending footstool 18.
The scale plate body 15 and the scale plate 16 of the scale plate 7 are of an integrated structure, and the sliding ruler 1 and the sliding sleeve 17 are of an integrated structure.
The invention also relates to a fine adjustment method for the difference of the car door surfaces, which has simple steps and convenient operation, can conveniently and quickly carry out accurate adjustment on the difference of the car door surfaces, ensures that the error is controlled in the set standard difference numerical range, improves the assembly precision of the whole car, does not bring surface and structural damage to the whole car and accessories thereof in the debugging process, can meet the adjustment requirement by one-time installation and adjustment, reduces the labor intensity and improves the efficiency, and the fine adjustment steps of the fine adjustment method for the difference of the car door surfaces are as follows:
s1, assembling a vehicle door to a vehicle body, enabling the vehicle body with the vehicle door to flow to a door cover assembling and adjusting station, using a corresponding lock catch fastening screw 13 to semi-fasten a lock catch 12 to the vehicle body, then closing the vehicle door once, performing self-balancing by contacting a lock body with a lock pin 19 on the outer side of the lock catch 12 in the motion process of the vehicle door, finding the Z-direction position of the lock catch 12, and simultaneously recording the surface difference value (from the vehicle door to a corresponding matching piece, namely front vehicle door and side wall of the vehicle body or rear vehicle door and side wall of the vehicle body or front vehicle door and rear vehicle door of the vehicle) from the vehicle door to the corresponding matching piece by using a surface difference ruler; s2, open the door, fix a position frock 11 on the automobile body, the locate mode: a U-shaped groove formed by a scale plate 16 and a sliding ruler 1 is used for clamping a lock pin 19 on the outer side of a lock catch 12, the Z direction of the tool 11 is limited, two small footstools 18 on a base 2 are in contact with a flanging surface 20 on the side part of a side wall 10 of a vehicle body, the Y direction of the tool 11 is limited, meanwhile, the back surface of the base 2 is in contact with the surface of the side wall 10 of the vehicle body, the X direction of the tool 11 is limited, a magnet 9 with a rubber pad is adsorbed on the side wall 10 of the vehicle body, and the tool 11 is installed in place; s3, sliding the sliding ruler 1 on the tool 11, enabling the sliding ruler 1 to be in contact with the lock pin 19 on the outer side of the lock catch 12, checking the alignment position of the sliding ruler 1 and the scale marks on the scale plate piece 16, loosening the lock catch fastening screw 13, adjusting the Y-direction position of the lock catch 12, taking down the tool 11, closing the car door, and checking the matching state; and S4, if the surface difference value does not reach the set standard numerical value range, repeating the step S2, the step S3 and the step S4, and continuing to adjust until the actual value meets the set standard numerical value requirement.
And S1, assembling the vehicle door on the vehicle body by the vehicle door hinge after the vehicle door completes the accessory assembly on the split charging line, and enabling the vehicle body with the vehicle door to flow to the door cover assembly and adjustment station by the line body.
The invention provides a brand-new improvement scheme for the finished vehicle door surface difference fine adjustment tool, aiming at the defects in the prior art. In order to stably position the tool in the using process, a 3-2-1 mode is adopted for limiting, namely 6 degrees of freedom are restrained, a U-shaped groove formed by a scale plate and a sliding ruler is designed for limiting the Z direction, the U-shaped groove in the middle of the scale plate and the sliding ruler is matched with a lock pin on the outer side of a lock catch, and the gap amount of 0.1mm on one side is kept (namely the width size of the U-shaped groove = the diameter of the lock pin of the lock catch +0.2 mm), the design aim is that the position of the lock catch in the Z direction after the car door is mounted is determined, the car door can be closed once by adopting larger force, self balancing is carried out, and the Z direction position is found; a U-shaped base imitating the shape of a side wall sheet metal surface is designed, the large surface of the base is matched with the mounting surface of a lock catch, the X direction of the tool is limited, meanwhile, two small foot platforms with bent turned edges are extended out of the base and matched with the seam allowance edge surface (turned edge surface) of the side wall of the vehicle body, and the Y direction of the tool is limited; meanwhile, the lower part of the base is provided with one or more round magnets with rubber cushions, so that the tool can be adsorbed to the side wall metal plate surface installed by the lock catch. Because the condition that the tool is not taken down possibly exists in the debugging process, the gap between the vehicle door and the side wall metal plate is smaller after the vehicle door is closed, and the connecting gasket is designed between the scale plate and the base and can be adjusted according to the actual condition; in order to accurately identify the position of the lock pin, the tool is provided with the sliding ruler which can slide in two directions relative to the scale plate, when the sliding ruler is contacted with the lock pin on the outer side of the lock catch, the scale of the position of the lock pin on the outer side of the lock catch can be accurately identified, and meanwhile, in order to prevent the sliding ruler from accidentally marking the scale plate, the scale plate is provided with a sliding ruler limiting block; in addition, in order to easily take off the frock after the adjustment finishes, there is design handle rope on the frock base. The finished automobile door surface difference fine adjustment tool is simple in structure and convenient to operate, can be used for conveniently and quickly performing fine adjustment on the door surface difference, enables the error to be controlled in a set standard surface difference numerical range, improves the finished automobile assembly precision, meanwhile, the finished automobile and accessories of the finished automobile cannot be damaged in surface and structure in the adjustment process, can meet the adjustment requirement through one-time adjustment, reduces the labor intensity and improves the efficiency.
The present invention has been described in detail with reference to the accompanying drawings, and it is to be understood that the invention is not limited to the specific embodiments, and that various modifications may be made without departing from the spirit and scope of the invention.
Claims (8)
1. The fine adjustment method for the surface difference of the whole vehicle door is characterized by comprising the following steps: the vehicle door difference fine adjustment tool used in the vehicle door difference fine adjustment method comprises a sliding ruler (1) and a base (2), wherein the base (2) is arranged to be of a U-shaped structure, a mounting position (14) at the bottom of the base (2) is provided with a scale plate body (15) of a scale plate (7), a scale plate piece (16) is perpendicular to the scale plate body (15) and extends to the outer side of the mounting position (14), one end of the sliding ruler (1) is provided with a sliding sleeve (17), the sliding sleeve (17) is movably sleeved on the scale plate piece (16), and the back of the base (2) is provided with a magnet (9) with a rubber pad;
the fine adjustment method for the surface difference of the whole vehicle door comprises the following steps:
s1, assembling a vehicle door to a vehicle body, enabling the vehicle body with the vehicle door to flow to a door cover assembling and adjusting station, semi-fastening a lock catch (12) to the vehicle body by using a corresponding lock catch fastening screw (13), then closing the vehicle door once, carrying out self balancing by enabling a lock body to be in contact with a lock pin (19) on the outer side of the lock catch (12) in the motion process of the vehicle door, finding the Z-direction position of the lock catch (12), and simultaneously recording the surface difference value from the vehicle door to a corresponding matching piece by using a surface difference ruler;
s2, open the door, fix a position frock (11) on the automobile body, the locate mode: a U-shaped groove formed by a scale plate (16) and a sliding ruler (1) is used for clamping a lock pin (19) on the outer side of a lock catch (12) to limit the Z direction of a tool (11), two small footstools (18) on a base (2) are in contact with a flanging surface (20) on the side part of a vehicle body side wall (10) to limit the Y direction of the tool (11), meanwhile, the back surface of the base (2) is in contact with the surface of the vehicle body side wall (10), the X direction of the tool (11) is limited, a magnet (9) with a rubber pad is adsorbed on the vehicle body side wall (10), and the tool (11) is installed in place;
s3, sliding a sliding ruler (1) on the tool (11), enabling the sliding ruler (1) to be in contact with a lock pin (19) on the outer side of the lock catch (12), checking the alignment position of the sliding ruler (1) and scale marks on a scale plate piece (16), loosening a lock catch fastening screw (13), adjusting the Y-direction position of the lock catch (12), taking down the tool (11), closing a car door, and checking the matching state;
and S4, if the surface difference value does not reach the set standard numerical value range, repeating the step S2, the step S3 and the step S4, and continuing to adjust until the actual value meets the set standard numerical value requirement.
2. The finished vehicle door surface difference fine adjustment method according to claim 1, characterized in that: and S1, assembling the vehicle door on the vehicle body by the vehicle door hinge after the vehicle door completes the accessory assembly on the split charging line, and enabling the vehicle body with the vehicle door to flow to the door cover assembly and adjustment station by the line body.
3. The finished vehicle door surface difference fine adjustment method according to claim 1, characterized in that: the scale plate part (16) and the sliding ruler (1) are arranged in parallel, and the sliding sleeve (17) is arranged in a structure capable of sliding relative to the scale plate part (16).
4. The finished vehicle door surface difference fine-tuning method according to claim 1 or 3, characterized in that: the adjustable scale plate is characterized in that an adjustable gasket (6) is arranged at a mounting position (14) at the bottom of the base (2), and the scale plate body (15) is fixedly mounted at the mounting position (14) through a scale plate fastening screw (5).
5. The finished vehicle door surface difference fine adjustment method according to claim 4, characterized in that: the scale plate is characterized in that the scale plate body (15) is further provided with a scale plate positioning pin (3), and the scale plate positioning pin (3) penetrates through the scale plate body (15) and extends into a positioning hole in the adjustable gasket (6).
6. The finished vehicle door surface difference fine-tuning method according to claim 1 or 3, characterized in that: the outer side of the installation position (14) of the base (2) is provided with a handle rope (4).
7. The finished vehicle door surface difference fine adjustment method according to claim 1 or 3, characterized in that: each end part of the base (2) is respectively provided with a bent small footstool (18).
8. The finished vehicle door surface difference fine-tuning method according to claim 1 or 3, characterized in that: the scale plate body (15) of the scale plate (7) and the scale plate piece (16) are of an integrated structure, and the sliding ruler (1) and the sliding sleeve (17) are of an integrated structure.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110737831.7A CN113401251B (en) | 2021-06-30 | 2021-06-30 | Finished automobile door surface difference fine adjustment tool and finished automobile door surface difference fine adjustment method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110737831.7A CN113401251B (en) | 2021-06-30 | 2021-06-30 | Finished automobile door surface difference fine adjustment tool and finished automobile door surface difference fine adjustment method |
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| CN113401251A CN113401251A (en) | 2021-09-17 |
| CN113401251B true CN113401251B (en) | 2022-07-15 |
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