CN109229234B - High-precision centering and positioning structure for machine cover hinge - Google Patents
High-precision centering and positioning structure for machine cover hinge Download PDFInfo
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- CN109229234B CN109229234B CN201811107334.3A CN201811107334A CN109229234B CN 109229234 B CN109229234 B CN 109229234B CN 201811107334 A CN201811107334 A CN 201811107334A CN 109229234 B CN109229234 B CN 109229234B
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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
- B62D65/02—Joining sub-units or components to, or positioning sub-units or components with respect to, body shell or other sub-units or components
- B62D65/024—Positioning of sub-units or components with respect to body shell or other sub-units or components
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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
- B62D65/02—Joining sub-units or components to, or positioning sub-units or components with respect to, body shell or other sub-units or components
- B62D65/06—Joining sub-units or components to, or positioning sub-units or components with respect to, body shell or other sub-units or components the sub-units or components being doors, windows, openable roofs, lids, bonnets, or weather strips or seals therefor
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- Chemical & Material Sciences (AREA)
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- Transportation (AREA)
- Mechanical Engineering (AREA)
- Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
- Automatic Assembly (AREA)
Abstract
The invention discloses a high-precision centering and positioning structure of a hood hinge, and relates to the technical field of positioning structures. The invention directly takes the front and the side of the left and the right doors as the positioning reference, and reduces the space size error between the engine compartment longitudinal beam and the left and the right doors when the mounting hole on the engine compartment longitudinal beam is taken as the tool positioning reference, thereby reducing the matching error between the hinge of the cover and the door and further reducing the gap error between the cover and the door.
Description
Technical Field
The invention relates to the technical field of positioning structures, in particular to a positioning structure for positioning a hinge of a machine cover.
Background
The cover hinge is a common automobile part and is mainly used for connecting an engine compartment cover and an automobile body of an automobile. At present, the cover hinge assembly time is more than that both sides set up split type location structure, and the frock realizes the location through the hole that finds current on the cabin longeron and knead dough. In addition, the existing split type tool mostly adopts a locating pin structure, the limit in two directions is realized through the matching of pin holes, and the limit in the third direction is carried out through the structure of the supporting and pressing block. Obviously, when the existing split type positioning mechanism is adopted to position the cover hinge, the positioning precision is limited by the integral forming precision of the engine room; simultaneously, the purpose of fixing a position the cover hinge is that realize the unanimity of cover, fender and left and right sides door fit clearance to and eliminate the face poor, the split type location structure that prior art adopted adopts the current hole face of cabin longeron as the benchmark, does not have closely related with cover, fender, can't realize optimizing the location.
Disclosure of Invention
The invention provides a high-precision centering and positioning structure of a cover hinge, aiming at overcoming the defects in the prior art.
The invention adopts the following technical scheme for solving the technical problems: a high-precision centering and positioning structure of a machine cover hinge comprises an XZ-direction positioning mechanism and a Y-direction centering mechanism, wherein the XZ-direction positioning mechanism, the Y-direction centering mechanism and a hinge positioning cylinder are installed on an installation frame, two ends of the Y-direction centering mechanism are respectively provided with a Y-direction nylon positioning block facing to the middle part, the two Y-direction nylon positioning blocks are respectively clung to the outer side surfaces of two front doors of a vehicle, and the Y-direction centering mechanism is used for realizing Y-direction centering by taking the outer side surfaces of the two front doors as a reference;
two ends of the XZ-direction positioning mechanism are respectively provided with an X-direction nylon positioning block facing the front side of the vehicle, the middle part of the XZ-direction positioning mechanism is symmetrically provided with two cam guides, the two X-direction nylon positioning blocks are respectively clung to the rear side edges of two front doors of the vehicle, the two cam guides are clung to the rear side surface of the front upper part assembly of the cabin, two ball head bolts are respectively and symmetrically arranged between the two X-direction nylon positioning blocks and the two cam guides, the ball head bolts are arranged facing downwards and are positioned at the lap joint edge right above the front upper part assembly of the cabin; the X-direction nylon positioning block and the cam guider are used for jointly realizing X-direction positioning by taking the rear side edges of the two front doors as a reference, and the ball stud is used for realizing Z-direction positioning.
Furthermore, the mounting frame is arranged in the middle of the XZ-direction positioning mechanism, two ends of the mounting frame are respectively connected with an X-direction nylon positioning block, a pair of pressing cylinders and a pair of holding cylinders are symmetrically arranged in the middle from inside to outside, two pressing arms are respectively connected to the tail ends of the pair of holding cylinders through two pressing blocks, and two ball bolts are respectively connected to the tail ends of the two pressing arms; the holding cylinder is used for driving the corresponding pressure arm and the corresponding ball head bolt to tightly press the lap joint edge right above the front wall upper part assembly of the automobile body plate and the engine room; the two cam guides are respectively connected to the tail ends of the pair of pressing cylinders, and the pressing cylinders are used for driving the corresponding cam guides to press the rear side face of the front wall upper assembly of the engine room.
Furthermore, two ends of the installation frame are respectively connected with an X-direction nylon positioning block through slide rail slide blocks, and the slide rail slide blocks are used for enabling the X-direction nylon positioning blocks and the installation frame to form Y-direction sliding pairs.
Furthermore, the Y-shaped joint is rotationally connected with the mounting frame through a pin shaft, the two connecting rods are arranged in central symmetry and are rotationally connected to the Y-shaped joint, and the tail ends of the connecting rods are connected with a Y-direction nylon positioning block through nylon block pressing arms; the centering cylinder is connected with the Y-shaped joint and used for driving the two Y-shaped nylon positioning blocks to rotate along with the two connecting rods through the Y-shaped joint and the nylon block pressing arm.
Furthermore, clamping cylinders are arranged at two ends of the installation frame, the tail ends of the clamping cylinders are connected with positioning arms, and the clamping cylinders are used for driving the positioning arms to clamp and lock for positioning after XZ-direction positioning and Y-direction centering are respectively realized by the XZ-direction positioning mechanism and the Y-direction centering mechanism.
The invention provides a high-precision centering and positioning structure of a cover hinge, which has the following beneficial effects:
1. the front and the side of the left and the right vehicle doors are directly used as positioning references, and when the mounting hole on the engine compartment longitudinal beam is used as a tool positioning reference, the space size error between the engine compartment longitudinal beam and the left and the right vehicle doors is reduced, so that the matching error between a hinge of the cover and the vehicle doors is reduced, and the gap error between the cover and the vehicle doors is further reduced;
2. the front and the side of the left and the right vehicle doors are directly used as positioning references, so that the direct transmission of precision is realized, the uniform and consistent fit clearance between the vehicle doors and the machine cover is ensured, and the optimal relative precision of hinges of the left and the right vehicle doors and the machine cover is ensured;
3. the integrated structure is adopted, so that external errors are eliminated, and the relative positions of the left cover hinge and the right cover hinge can be consistent;
4. the positioning structure is driven by the air cylinder, a connecting rod mechanism is used, the positioning synchronization is guaranteed, the quick response and the quick positioning are realized, and the manual operation is simplified.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of an XZ-direction positioning mechanism according to the present invention;
FIG. 3 is a schematic structural view of the Y-direction centering mechanism of the present invention.
In the figure:
1. the device comprises an XZ-direction positioning mechanism, 11, a mounting frame, 12, a sliding rail sliding block, 141, a pressing cylinder, 142, a cam guider, 143, X-direction nylon positioning blocks, 151, a holding cylinder, 152, a pressing block, 16 and ball studs; 2. y-direction centering mechanism 21, centering cylinder 22, connecting rod 23, Y-shaped joint 24, nylon block pressing arm 25 and Y-direction nylon positioning block; 3. a hinge positioning cylinder; 4. a clamping cylinder; 51. the outer side face 52 of the front door, the rear side edge 53 of the front door, the lap edge 54, and the cabin front wall enclose the rear side face of the upper assembly.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to fig. 3, the structural relationship is: the device comprises an XZ-direction positioning mechanism 1 and a Y-direction centering mechanism 2, wherein the XZ-direction positioning mechanism 1, the Y-direction centering mechanism 2 and a hinge positioning cylinder 3 are installed on an installation frame 11, two ends of the Y-direction centering mechanism 2 are respectively provided with a Y-direction nylon positioning block 25 facing to the middle part, the two Y-direction nylon positioning blocks 25 are respectively clung to the outer side surfaces 51 of two front doors of the vehicle, and the Y-direction centering mechanism 2 is used for realizing Y-direction centering by taking the outer side surfaces of the two front doors as a reference;
two ends of the XZ-direction positioning mechanism 1 are respectively provided with an X-direction nylon positioning block 143 facing the front side of the vehicle, the middle part of the XZ-direction positioning mechanism is symmetrically provided with two cam guides 142, the two X-direction nylon positioning blocks 143 are respectively clung to the rear side edges 52 of two front doors of the vehicle, the two cam guides 142 are clung to the rear side surface 54 of the front upper assembly of the cabin, the two ball bolts 16 are respectively symmetrically arranged between the two X-direction nylon positioning blocks 143 and the two cam guides 142, the ball bolts 16 are arranged downwards and positioned at the lap joint edge 53 right above the front upper assembly of the cabin; the X-nylon locating block 143 and the cam guide 142 are used to achieve X-positioning with reference to the rear sides 52 of the two front doors, and the ball stud 16 is used to achieve Z-positioning.
Preferably, the middle part of the XZ-direction positioning mechanism 1 is provided with an installation frame 11, two ends of the installation frame 11 are respectively connected with an X-direction nylon positioning block 143, the middle part is symmetrically provided with a pair of pressing cylinders 141 and a pair of clasping cylinders 151 from inside to outside, two pressing arms are respectively connected to the tail ends of the pair of clasping cylinders 151 through two pressing blocks 152, and two ball head bolts 16 are respectively connected to the tail ends of the two pressing arms; the holding cylinder 151 is used for driving the corresponding pressure arm and the ball stud 16 to press the lap joint edge 53 right above the assembly of the front wall upper part of the car body panel and the cabin; the two cam guides 142 are connected to the ends of a pair of pressing cylinders 141, respectively, and the pressing cylinders 141 are used for driving the corresponding cam guides 142 to press the rear side 54 of the front wall upper assembly of the cabin.
Preferably, two ends of the mounting frame 11 are respectively connected to an X-direction nylon positioning block 143 through a slide rail slider 12, and the slide rail slider 12 is used for enabling the X-direction nylon positioning block 143 and the mounting frame 11 to form a Y-direction sliding pair, so as to eliminate the influence of the X-direction positioning process on the Y-direction positioning accuracy.
Preferably, the Y-shaped joint 23 is rotationally connected with the mounting frame 11 through a pin, the two connecting rods 22 are arranged in central symmetry and rotationally connected to the Y-shaped joint 23, and the tail ends of the connecting rods 22 are connected with a Y-direction nylon positioning block 25 through nylon block pressing arms 24; the centering cylinder 21 is connected with a Y-shaped joint 23 and is used for driving two Y-direction nylon positioning blocks 25 to rotate along with the two connecting rods 22 through the Y-shaped joint 23 and a nylon block pressing arm 24.
Preferably, clamping cylinders are arranged at two ends of the mounting frame 11, the tail ends of the clamping cylinders are connected with positioning arms, and the clamping cylinders are used for driving the positioning arms to clamp and lock and position after the XZ-direction positioning mechanism 1 and the Y-direction centering mechanism 2 respectively realize XZ-direction positioning and Y-direction centering.
During specific use, the centering and positioning structure is moved to the position right above the vehicle under manual operation and slowly descends until the ball stud 16 is in contact with the lap joint edge 53 to be pressed, and the centering and positioning structure is in place in the Z direction. At this time, the centering cylinder 21 drives the Y-joint 23 to rotate, the two connecting rods 22 are forced to expand outwards, and then the nylon block pressing arm 24 connected with the centering cylinder through the pin shaft is driven to drive the Y-direction nylon positioning blocks 25 to press the rear side edges 52 of the front doors of the left front door and the right front door, so that Y-direction positioning of the centering and positioning structure is realized. After that, the pressing cylinder 141 drives the cam guider 142 to press the rear side 54 of the front wall upper assembly of the cabin, the centering and positioning structure is subjected to lateral force and moves reversely along the X direction, and the X-direction nylon fixed blocks 143 at two sides of the centering and positioning structure are subjected to force to press the outer sides 51 of the left front door and the right front door, so that the centering and positioning structure is positioned in the X direction relative to the doors. Finally, the clamping cylinder drives the positioning arm connected to the tail end of the clamping cylinder to clamp the front wall upper assembly of the cabin, so that the final position of the centering and positioning structure is fixed, and the hinge positioning cylinder mounted on the mounting frame 11 is accurately positioned.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (5)
1. The utility model provides a machine lid hinge high accuracy centering location structure, includes that XZ is to positioning mechanism (1) and Y to centering mechanism (2), XZ is to positioning mechanism (1) Y is installed on installation frame (11) to centering mechanism (2) and hinge location cylinder (3), its characterized in that: two ends of the Y-direction centering mechanism (2) are respectively provided with a Y-direction nylon positioning block (25) facing to the middle part, the two Y-direction nylon positioning blocks (25) are respectively clung to the outer side surfaces (51) of two front doors of the vehicle, and the Y-direction centering mechanism (2) is used for realizing Y-direction centering by taking the outer side surfaces of the two front doors as a reference;
two ends of an XZ-direction positioning mechanism (1) are respectively provided with an X-direction nylon positioning block (143) facing the front side of the vehicle, the middle of the XZ-direction positioning mechanism is symmetrically provided with two cam guides (142), the two X-direction nylon positioning blocks (143) are respectively clung to the rear side edges (52) of two front doors of the vehicle, the two cam guides (142) are clung to the rear side surface (54) of the front upper assembly of the cabin, two ball studs (16) are respectively symmetrically arranged between the two X-direction nylon positioning blocks (143) and the two cam guides (142), and the ball studs (16) are arranged downwards and positioned at a joint edge (53) right above the front upper assembly of the cabin; the X-direction nylon positioning block (143) and the cam guide (142) are used for jointly realizing X-direction positioning by taking the rear side edges (52) of the two front doors as reference, and the ball stud (16) is used for realizing Z-direction positioning.
2. The cover hinge high-precision centering and positioning structure of claim 1, characterized in that: the mounting frame (11) is arranged in the middle of the XZ-direction positioning mechanism (1), two ends of the mounting frame (11) are respectively connected with an X-direction nylon positioning block (143), the middle of the XZ-direction positioning mechanism is symmetrically provided with a pair of pressing cylinders (141) and a pair of holding cylinders (151) from inside to outside, two pressing arms are respectively connected to the tail ends of the pair of holding cylinders (151) through two pressing blocks (152), and two ball head bolts (16) are respectively connected to the tail ends of the two pressing arms; the holding cylinder (151) is used for driving the corresponding pressure arm and the corresponding ball stud (16) to press a lap joint edge (53) right above a front wall upper assembly of a car body panel and a cabin; the two cam guides (142) are respectively connected to the tail ends of a pair of pressing cylinders (141), and the pressing cylinders (141) are used for driving the corresponding cam guides (142) to press the rear side surface (54) of the front wall upper assembly of the cabin.
3. The cover hinge high-precision centering and positioning structure of claim 2, characterized in that: the two ends of the installation frame (11) are respectively connected with an X-direction nylon positioning block (143) through a sliding rail sliding block (12), and the sliding rail sliding block (12) is used for enabling the X-direction nylon positioning block (143) and the installation frame (11) to form a Y-direction sliding pair.
4. The cover hinge high-precision centering and positioning structure of claim 1, characterized in that: the Y-shaped joint (23) is rotationally connected with the mounting frame (11) through a pin shaft, the two connecting rods (22) are arranged in central symmetry and are rotationally connected to the Y-shaped joint (23), and the tail ends of the connecting rods (22) are connected with a Y-direction nylon positioning block (25) through a nylon block pressing arm (24); and the centering cylinder (21) is connected with the Y-shaped joint (23) and is used for driving the two Y-shaped nylon positioning blocks (25) to rotate along with the two connecting rods (22) through the Y-shaped joint (23) and the nylon block pressing arm (24).
5. The cover hinge high-precision centering and positioning structure of claim 1, characterized in that: and clamping cylinders are arranged at two ends of the mounting frame (11), the tail ends of the clamping cylinders are connected with positioning arms, and the clamping cylinders are used for respectively realizing XZ-direction positioning and Y-direction centering back driving of the XZ-direction positioning mechanism (1) and the Y-direction centering mechanism (2) and the positioning arms clamp the longitudinal beams of the engine room and are locked and positioned.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811107334.3A CN109229234B (en) | 2018-09-21 | 2018-09-21 | High-precision centering and positioning structure for machine cover hinge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811107334.3A CN109229234B (en) | 2018-09-21 | 2018-09-21 | High-precision centering and positioning structure for machine cover hinge |
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| Publication Number | Publication Date |
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| CN109229234A CN109229234A (en) | 2019-01-18 |
| CN109229234B true CN109229234B (en) | 2021-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811107334.3A Active CN109229234B (en) | 2018-09-21 | 2018-09-21 | High-precision centering and positioning structure for machine cover hinge |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111776111B (en) * | 2019-04-04 | 2022-11-15 | 上汽通用五菱汽车股份有限公司 | Car door hinge positioning fixture |
| CN112621628B (en) * | 2020-12-18 | 2022-02-01 | 东风汽车集团有限公司 | Fender positioning tool and fender positioning method |
| CN116787103B (en) * | 2023-08-28 | 2023-11-10 | 巨硕精密机械(常熟)有限公司 | High-precision adjusting device for tail door hinge |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010274745A (en) * | 2009-05-27 | 2010-12-09 | Honda Motor Co Ltd | Vehicle body front portion structure |
| CN202783417U (en) * | 2012-08-30 | 2013-03-13 | 浙江吉利汽车研究院有限公司杭州分公司 | Fixing structure for automobile engine cover hinge |
| KR20140090000A (en) * | 2013-01-08 | 2014-07-16 | 동희오토주식회사 | Zig for mounting of hood |
| CN105799811B (en) * | 2014-12-08 | 2018-09-21 | 奇瑞汽车股份有限公司 | A kind of hood harness and the installation method using the harness |
| DE102015109128B3 (en) * | 2015-04-10 | 2016-07-21 | KINEMATIXX GmbH | Front flap hinge with rotatable unlocking mechanism |
| CN104985559B (en) * | 2015-07-15 | 2016-08-17 | 神龙汽车有限公司 | The assembling location instrument of a kind of double leval jib hood hinge and assembly method |
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- 2018-09-21 CN CN201811107334.3A patent/CN109229234B/en active Active
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Effective date of registration: 20210305 Address after: No.5821, Fanfu Avenue, Baohe District, Hefei City, Anhui Province Applicant after: Anhui Juyi Technology Co., Ltd Address before: 230051 Shanghai Road East Dalian Road North, Baohe Industrial Park, Baohe District, Hefei City, Anhui Province Applicant before: ANHUI JEE AUTOMATION EQUIPMENT Co.,Ltd. |
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