CN114932388B - Hood assembly positioning device and application method thereof - Google Patents
Hood assembly positioning device and application method thereof Download PDFInfo
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- CN114932388B CN114932388B CN202210349171.XA CN202210349171A CN114932388B CN 114932388 B CN114932388 B CN 114932388B CN 202210349171 A CN202210349171 A CN 202210349171A CN 114932388 B CN114932388 B CN 114932388B
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- 238000000034 method Methods 0.000 title claims description 17
- 230000000712 assembly Effects 0.000 claims abstract description 15
- 238000000429 assembly Methods 0.000 claims abstract description 15
- 230000009471 action Effects 0.000 claims description 7
- 230000008859 change Effects 0.000 claims description 6
- 230000008602 contraction Effects 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 description 13
- 239000004973 liquid crystal related substance Substances 0.000 description 10
- 125000006850 spacer group Chemical group 0.000 description 6
- 238000009434 installation Methods 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 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
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- 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
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
- B25B11/02—Assembly jigs
-
- 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
- B23P2700/00—Indexing scheme relating to the articles being treated, e.g. manufactured, repaired, assembled, connected or other operations covered in the subgroups
- B23P2700/50—Other automobile vehicle parts, i.e. manufactured in assembly lines
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Abstract
The application discloses an assembling and positioning device of an engine hood, which relates to the technical field of assembling and positioning of automobile opening parts, and comprises an assembling and positioning device of an engine hood, comprising: the two sides of the mounting platform are used for being assembled on a fender of an automobile; the vertical positioning assembly is arranged on the mounting platform and can be used for adjusting the assembly height of the vertical positioning assembly through stretching; the at least two rotary positioning assemblies are arranged at two ends of the mounting platform in a group mode, and the rotary positioning assemblies can be rotated to switch the assembly positions of the rotary positioning assemblies. According to the hood assembly positioning device, the vertical positioning device is used for carrying out reference positioning on the vertical directions of the engine hood and the lower mounting platform, and the first positioning pin structure and the rotary positioning assembly capable of being adjusted in a rotating mode are used for carrying out reference positioning on the horizontal directions of the engine hood and the lower mounting platform.
Description
Technical Field
The application relates to the technical field of assembly and positioning of automobile opening parts, in particular to a hood assembly and positioning device and a using method thereof.
Background
With the continuous maturity of the automobile market, consumers' requirements on the commodity of the automobile appearance are continuously improved, and enterprises are promoted to pay attention to the practicability of the product and improve the commodity appearance quality. The hood, which is one of the important components of the automobile exterior cover, has the characteristics of large area, small pivot, horizontal placement and the like, and the matching problem of the hood and the surrounding environment is the part which is most easily observed outside the automobile, and determines the first impression of the quality of the whole automobile by consumers. However, when the engine cover is used as a front cover of a vehicle body, the engine cover needs to be accurately positioned with an automobile underframe platform and left and right fenders. Therefore, a worker needs to position the hood mounting position by using the hood assembly positioning tool.
However, with the continuous evolution of the vehicle model, multiple products with different modeling styles are often derived on the same vehicle model platform. The underfills of these products may vary. This varied development will lead to the redesign and development of the vehicle opening part assembly positioning strategy and tooling equipment with the change of the modeling structure. Therefore, the hood positioning tool matched with the hood positioning tool also needs to be changed to different degrees according to the hood style and the style of the lower mounting platform of the automobile. The number of tooling equipment is increased along with the increase of products, so that the difficulty in management of production field equipment is increased, and the production and manufacturing efficiency is affected.
Disclosure of Invention
Aiming at the defects in the prior art, the application aims to provide a hood assembly positioning device and a using method thereof, which are used for solving the problems that the number of tooling equipment is increased along with the increase of products, so that the management difficulty of production field equipment is increased and the production and manufacturing efficiency is influenced.
In order to achieve the above object, the present application provides an assembling and positioning device for an engine cover, comprising:
the two sides of the mounting platform are used for being assembled on a fender of an automobile;
the vertical positioning assembly is arranged on the mounting platform and can be used for adjusting the assembly height of the vertical positioning assembly through telescoping;
the at least two rotary positioning assemblies are arranged at two ends of the mounting platform in a group mode, and the rotary positioning assemblies can be rotated to switch the assembly positions of the rotary positioning assemblies.
In some embodiments, the rotational positioning assembly comprises:
the positioning pin shaft device is assembled on the top surface of the mounting platform;
the second locating pin is assembled on the locating pin shaft device and can rotate around the locating pin shaft device to switch the assembling position of the rotary locating assembly in the horizontal direction.
In some embodiments, the rotational positioning assembly further comprises:
the longitudinal connecting piece is detachably assembled on the positioning pin shaft device;
the transverse connecting piece is detachably assembled on the side face of the longitudinal connecting piece, and the second locating pin is arranged on the transverse connecting piece.
In some embodiments, at least one first spacer is disposed between the longitudinal connector and the positioning pin device, and at least one second spacer is disposed between the transverse connector and the longitudinal connector.
In some embodiments, the positioning pin device comprises:
the fixed block is assembled on the top surface of the mounting platform;
the positioning pin shaft is assembled on the fixed block;
the rotating block is assembled on the fixed block, the rotating block can rotate around the positioning pin shaft, and the longitudinal connecting piece is connected with the rotating block.
In some embodiments, the assembly positioning device includes two vertical positioning components, where two vertical positioning components are respectively disposed on a bottom surface or a top surface of the mounting platform, one of the vertical positioning components is used to prop against a lower mounting platform of the automobile to support the mounting platform, and the other vertical positioning component is used to prop against an engine cover, and the vertical positioning components can stretch and retract to change an assembly distance between the engine cover and the lower mounting platform in a vertical direction.
In some embodiments, the vertical positioning assembly comprises:
the fixed seat is assembled on the side surface of the mounting platform;
the adjusting block is assembled on the fixed seat and can slide along the fixed seat;
one end of the spring piece is assembled on the fixed seat, the other end of the spring piece penetrates through the adjusting block and is connected with the positioning block, the spring piece is always in a stretching state so that the positioning block is propped against the adjusting block, and one end, away from the adjusting block, of the positioning block is used for propping against the engine cover or the lower mounting platform;
the adjusting block can extend or retract in the fixing seat through sliding.
In some embodiments, the adjustment block is stepped.
In another aspect, the present application provides a method of use for assembling a positioning device, comprising the steps of:
the mounting platform is respectively connected with the fenders on two sides of the automobile, and the vertical positioning assembly is supported on the lower mounting platform;
after the assembly height of the vertical positioning component is adjusted according to the shape and the size of the engine cover, the assembly position of the rotary positioning component is switched;
the rotational positioning assembly is fitted over the fixing hole of the hood and the hood is supported to the vertical positioning assembly.
In some embodiments, the switching the assembly position of the rotational positioning assembly comprises:
and controlling the second locating pin of the rotary locating assembly to rotate around the locating pin shaft device so as to correspond to the position of the fixing hole of the engine cover.
Compared with the prior art, the application has the advantages that:
(1) According to the hood assembly positioning device, the vertical positioning device is used for carrying out reference positioning on the vertical directions of the engine hood and the lower mounting platform, and the first positioning pin structure and the rotary positioning assembly capable of being adjusted in a rotating mode are used for carrying out reference positioning on the horizontal directions of the engine hood and the lower mounting platform.
(2) The rotary positioning assembly can be rotated to conveniently switch the installation posture, and at least can adapt to the positioning installation of two different engine hoods.
(3) The assembly positioning device can ensure the matching precision of the hood and the fender, and has high assembly positioning efficiency; and the assembly and positioning of the hoods of different vehicle types on the same platform can realize quick switching (switching of at least two vehicle types), so that the universality of the positioning device is realized, the investment cost of the tooling device is saved, the field device management difficulty is reduced, and the equipment use efficiency is effectively improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a hood assembly positioning device according to an embodiment of the present application;
FIG. 2 is a schematic diagram of a structure of a rotary positioning device before and after switching in an embodiment of the present application;
FIG. 3 is a schematic diagram of the structure of the vertical positioning assembly before and after adjustment according to the embodiment of the present application;
FIG. 4 is a schematic view of a hood assembly positioning device according to an embodiment of the present application in an assembled positioning state;
FIG. 5 is a schematic view of the structure of the underframe according to the embodiment of the present application;
fig. 6 is a schematic view of the hood according to the embodiment of the present application.
In the figure: 1. a mounting platform; 2. a vertical positioning assembly; 21. a fixing seat; 22. adjusting the block; 23. a spring member; 24. a positioning block; 3. an engine cover; 31. a fixing hole; 4. a lower loading platform; 41. profile datum point; 5. a first locating pin structure; 6. a rotational positioning assembly; 61. positioning pin shaft device; 611. a fixed block; 612. positioning pin shafts; 613. a rotating block; 62. a second positioning pin; 63. a longitudinal connector; 64. a transverse connector; 65. a first gasket; 66. a second gasket; 7. a fender; 8. a handle.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Embodiments of the present application are described in further detail below with reference to the accompanying drawings. The application provides an assembling and positioning device for an engine cover, which aims to solve the problem that in the related art, vehicle models with different modeling structures on the same platform are newly developed and designed by using the assembling and positioning device for the engine cover and a positioning method according to the modeling style change of the whole vehicle. The development strategy causes poor universality of the hood assembly positioning device, development cost is increased, the more devices are, the more equipment management difficulty of the subsequent production and manufacturing field devices is increased, and the production and manufacturing efficiency is affected.
As shown in fig. 1 and 4, the hood assembly positioning device of the present application includes: the device comprises a mounting platform 1, at least two vertical positioning components, at least two first positioning pin structures 5 and at least two rotary positioning components 6; wherein, the liquid crystal display device comprises a liquid crystal display device,
the mounting platform 1 is arranged on two sides of the mounting platform in a group manner on a fender 7 of an automobile;
at least one vertical positioning component 2 arranged on the mounting platform 1, wherein the vertical positioning component 2 can adjust the assembly height of the vertical positioning component 2 through telescoping;
at least two rotating and positioning components 6 are assembled at two ends of the mounting platform 1, and the rotating and positioning components 6 can be rotated to switch the assembling positions of the rotating and positioning components 6.
It will be appreciated that the rotary positioning assembly 6 requires a fixed aperture 31 fitted to the bonnet 3 to relate the datum of the fender 7 to the datum of the bonnet 3.
It should be noted that, a practitioner will develop a plurality of types of hoods 3 (i.e., body front hoods) for the underframe 4 of the same type of automobile, and typically at least two hoods will be provided. This results in the production personnel also having to redesign the positioning fixture when assembling the two hoods 3, and in the present application, the positioning adjustment in the vertical and horizontal directions is achieved by the adjustable rotary positioning assembly 6 and the vertical positioning assembly 2, so that the operator can adjust the position of the positioning device according to the need, so that different hoods 3 can be accurately assembled to the automobile by the same positioning device, without redesigning and producing a new positioning fixture.
Specifically, as shown in fig. 2, the rotational positioning assembly 6 includes: a positioning pin device 61 and a second positioning pin 62; wherein, the liquid crystal display device comprises a liquid crystal display device,
the positioning pin shaft device 61 is assembled on the top surface of the mounting platform 1; the second positioning pin 62 is assembled to the positioning pin device 61, and the second positioning pin 62 can rotate around the positioning pin device 61 so as to correspond to the position of the fixing hole 31.
It should be noted that, the second positioning pin 62 is used to be inserted into the fixing hole 31 of the engine cover 3, and generally, the diameter of the second positioning pin 62 is slightly smaller than that of the fixing hole 31 for fine adjustment. As shown in fig. 1 and 4, the present application provides a specific embodiment, which includes two rotary positioning assemblies 6 respectively located near the connection points of the left and right ends of the mounting platform 1 and the fender 7. The positioning device associates the positioning reference of the engine cover 3 with the positioning reference of the fender panels 7 on the two sides of the automobile through the two first positioning pin structures 5 and the two rotary positioning assemblies 6 so as to realize the positioning in the horizontal direction.
It will be appreciated that the rotary positioning assembly 6 further comprises: a longitudinal connector 63 and a transverse connector 64; wherein, the liquid crystal display device comprises a liquid crystal display device,
the longitudinal connecting piece 63 is detachably assembled on the positioning pin shaft device 61, and the longitudinal distance between the longitudinal connecting piece 63 and the positioning pin shaft device 61 is adjustable; the transverse connecting piece 64 is detachably assembled on the side surface of the longitudinal connecting piece 63, the transverse distance between the transverse connecting piece 64 and the longitudinal connecting piece 63 is adjustable, and the transverse connecting piece 64 is provided with the second positioning pin 62.
It is understood that the longitudinal direction is the vehicle body longitudinal direction, and the transverse direction (i.e., the left-right direction) is the vehicle body width direction.
Preferably, at least one first spacer 65 is provided between the longitudinal connecting member 63 and the positioning pin device 61, and at least one second spacer 66 is provided between the transverse connecting member 64 and the longitudinal connecting member 63.
It should be noted that, since the longitudinal connecting member 63 may be conveniently assembled to the positioning pin device 61, an operator may adjust the longitudinal position of the second positioning pin 62 to fit the engine cover 3 by disposing one or more first gaskets 65 therebetween. Likewise, one or more second shims 66 may be provided between the transverse connector 64 and the longitudinal connector 63 to change the position of the second locating pin 62 in the transverse direction.
Specifically, the positioning pin device 61 includes: a fixed block 611, a positioning pin 612 and a rotating block 613; wherein, the liquid crystal display device comprises a liquid crystal display device,
a fixed block 611 assembled on the top surface of the mounting platform 1;
the positioning pin shaft 612 is assembled on the fixed block 611;
the rotating block 613 is assembled on the fixed block 611, the rotating block 613 can rotate around the positioning pin 612, and the longitudinal connecting piece 63 is assembled on the rotating block 613.
Preferably, two fixing bolts are provided on the rotating block 613, and when the fixing bolts are tightened, the rotating block 613 is locked with the fixing block 611, and the rotating block 613 does not perform a rotating action.
Alternatively, the positioning pin device 61 has a high applicability. It is thus also possible to replace the first locating pin structure 5 with a locating pin arrangement 61 to complete the hole pin locating fit of the mounting platform 1 and the fender 7, as the mounting hole location on the fender 7 changes when facing a different fender 7.
In some embodiments, as shown in fig. 1, the vertical positioning component 2 may optionally be a telescopic device to be abutted against the engine cover 3 or the underframe 4, so as to adjust the vertical distance between the two.
Preferably, as shown in fig. 3, the vertical positioning assembly 2 comprises: the device comprises a fixed seat 21, an adjusting block 22, a spring piece 23 and a positioning block 24; wherein, the liquid crystal display device comprises a liquid crystal display device,
the fixed seat 21 is assembled on the side surface of the mounting platform 1;
the adjusting block 22 is assembled on the fixed seat 21, and the adjusting block 22 can slide relative to the fixed seat 21; one end of the spring piece 23 is assembled on the fixed seat 21, the other end of the spring piece passes through the adjusting block 22 and is connected with the positioning block 24, the spring piece 23 is always in a stretching state so as to enable the positioning block 24 to be propped against the adjusting block 22, and one end of the positioning block 24, which is far away from the adjusting block 22, is used for being propped against the engine cover 3 or the lower mounting platform 4; the adjusting block 22 can slide to extend or retract the positioning block 24 in the fixing seat 21.
Preferably, the adjusting block 22 is stepped, and a top surface of the adjusting block 22 is used for abutting against the positioning block 24. Because the adjusting block 22 is in a ladder shape, the positioning block 24 is always propped against the adjusting block 22 under the action of the tension of the spring piece 23, when the adjusting block 22 slides, the positioning block 24 is propped against the adjusting block 22 with different thickness, and the positioning block 24 stretches under the action of the tension of the spring piece 23 along with the thickness change of the adjusting block 22. The positioning block 24 is in an extended state when the positioning block 24 is abutted against the thicker portion of the adjustment block 22, and the positioning block 24 is in a contracted state when the positioning block 24 is abutted against the thinner portion of the adjustment block 22.
In some embodiments, assembling the positioning device comprises: 4 vertical positioning assemblies 2 which are uniformly arranged in the middle of the mounting platform 1. It should be noted that, as shown in fig. 5, four vertical positioning assemblies 2 correspond to four profile datum points 41 on the underframe 1.
Preferably, as shown in fig. 6, two fixing holes 31 of the hood 3 are used for connection with the second positioning pins 62.
It will be appreciated that the mounting platform 1 is a frame structure to save manufacturing materials and facilitate manufacturing and handling. The mounting platform 1 is provided with a handle 8 which is convenient for an operator to install the positioning device.
In some embodiments, the mounting platform 1 is constructed as a split piece, and the shape of the mounting platform 1 can be changed to adapt and continue the positioning assembly when dealing with different engine hoods 3 and even the underframe platform 4.
Further, the application provides an engine hood hinge, which comprises a bracket, a fixed hinge and a movable hinge movably hinged on the fixed hinge, wherein the bracket is used for being fixed with a fender 7, the fixed hinge comprises a connecting plate and a first flanging extending from the edge of the connecting plate, the first flanging is provided with a first positioning hole, a second positioning hole and a third positioning hole which are arranged at intervals are arranged on the bracket, the first positioning hole and the second positioning hole are positioned on the same axis, and the bracket can be welded on the first flanging through the cooperation of the second positioning hole, the third positioning hole and the first positioning hole. Before welding the bracket to the first flanging, the bracket and the first flanging need to be positioned, firstly, two positioning pins on the positioning tool respectively penetrate through a second positioning hole and a third positioning hole on the bracket, so that the bracket is fixed on the positioning tool, the positioning pins penetrating through the second positioning hole then penetrate through a first positioning hole on the first flanging, and the first positioning hole is overlapped with the second positioning hole, so that the bracket and the first flanging are fixed together.
When the fender is installed to different motorcycle types, the engine hood hinge in the prior art extends out of the fixed hinge to form a longer cantilever, the cantilever is connected with the fender, and the engine hood hinge is formed by one-time stamping, so that the engine hood hinge is manufactured by replacing a preparation mould, the preparation moulds of the fixed hinge and the movable hinge are not required to be replaced, and the preparation mould of the bracket is only required to be replaced, so that the bracket suitable for installing different fender is manufactured.
In a second aspect, the present application provides a method of use for assembling a positioning device, comprising the steps of:
s1, mounting the assembly positioning device on an automobile.
Specifically, the two first positioning pin structures 5 are respectively connected with the fenders 7 at two sides of the automobile, and the vertical positioning assembly 2 positioned at the bottom surface of the mounting platform 1 is propped against the lower mounting platform 4 of the automobile so that the mounting platforms 1 are arranged on the lower mounting platform 4 at intervals.
Further, in the hood assembly positioning device, the first positioning pin structures 5 positioned at the left side and the right side of the mounting platform 1 are in positioning fit with the pin holes of the left fender 7 and the right fender 7. The vertical positioning component 2 on the hood assembly positioning device and the four profile datum points 41 on the lower part of the platform form profile positioning; positioning assembly of the hood assembly positioning device is realized based on hole pin positioning and profile positioning.
S2, adjusting the assembly positioning device according to the shape and the size of the engine cover 3.
In some embodiments, the rotational position of the rotational positioning assembly 6 is adjusted to accommodate the hood 3 ready to be assembled after adjusting the telescopic distance of the vertical positioning assembly 2 according to the shape and size of the hood 3.
Specifically, a first spacer 65 is provided between the longitudinal link 63 and the positioning pin device 61 to adjust the longitudinal position of the second positioning pin 62, a second spacer 66 is provided between the lateral link 64 and the longitudinal link 63 to adjust the lateral position of the second positioning pin 62, and finally the second positioning pin 62 is rotated to correspond to the position of the fixing hole 31 of the hood.
S3, mounting an engine cover 3.
Specifically, the rotary positioning assembly 6 is connected to the fixing hole 31 of the hood 3, and the hood 3 is supported to the vertical positioning assembly 2 on the top surface of the mounting platform 1. The installation is completed as shown in fig. 4.
It should be noted that, as shown in fig. 4, after positioning of the hood 3 is completed, the hood (i.e., the hood 3) is fastened to the hinge by bolts, thereby being mounted to the vehicle body, and finally positioning and assembling of the hood are completed. After the assembly is completed, the connecting parts of the positioning device, the engine cover 3, the fender 7 and the lower mounting platform 4 can be manually disassembled, and then the positioning device is moved to a new assembly site for reuse.
In general, the positioning holes on the left and right of the fender 7 and the positioning surface of the lower mounting platform 4 shared by the platform vehicle type are used for realizing positioning and assembly of the hood assembly positioning device; meanwhile, the hood assembly positioning device uses a positioning pin/positioning surface quick switching structure device (namely a vertical positioning component 2) to realize the positioning assembly of the hoods of different vehicle types on the same platform.
In view of the above, a hood assembly positioning device and a hood assembly positioning method are developed to address the drawbacks of the prior art. The method and the device have good positioning precision, can ensure the matching precision of the hood and the fender, and have high assembly positioning efficiency; and the assembly and positioning of the hoods of different vehicle types on the same platform can realize quick switching (switching of at least two vehicle types), so that the universality of the positioning device is realized, the investment cost of the tooling device is saved, the field device management difficulty is reduced, and the equipment use efficiency is effectively improved. According to the hood assembly positioning device, the vertical positioning device is used for carrying out reference positioning on the vertical directions of the engine hood and the lower mounting platform, and the first positioning pin structure and the rotary positioning assembly capable of being adjusted in a rotating mode are used for carrying out reference positioning on the horizontal directions of the engine hood and the lower mounting platform. The rotary positioning assembly can be rotated to conveniently switch the installation posture, and at least can adapt to the positioning installation of two different engine hoods. The assembly positioning device can ensure the matching precision of the hood and the fender, and has high assembly positioning efficiency; and the assembly and positioning of the hoods of different vehicle types on the same platform can realize quick switching (switching of at least two vehicle types), so that the universality of the positioning device is realized, the investment cost of the tooling device is saved, the field device management difficulty is reduced, and the equipment use efficiency is effectively improved.
In the description of the present application, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present application and simplifying the description, and are not indicative or implying that the apparatus or element in question must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present application. Unless specifically stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
It should be noted that in the present application, relational terms such as "first" and "second" and the like are 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. Moreover, 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 one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The foregoing is only a specific embodiment of the application to enable those skilled in the art to understand or practice the application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (4)
1. An assembly positioning device of an engine cover, characterized by comprising:
the two sides of the mounting platform (1) are used for being assembled on a fender (7) of an automobile;
at least one vertical positioning component (2) arranged on the mounting platform (1), wherein the vertical positioning component (2) can adjust the assembly height of the vertical positioning component (2) through expansion and contraction;
the rotary positioning assemblies (6) are assembled at two ends of the mounting platform (1), and the rotary positioning assemblies (6) can be rotated to switch the assembly positions of the rotary positioning assemblies (6);
the rotational positioning assembly (6) comprises:
the positioning pin shaft device (61) is assembled on the top surface of the mounting platform (1);
a second positioning pin (62) which is assembled to the positioning pin device (61) and the second positioning pin (62) can rotate around the positioning pin device (61) to switch the assembling position of the rotary positioning assembly (6) in the horizontal direction;
the rotational positioning assembly (6) further comprises:
a longitudinal connecting piece (63) detachably assembled on the positioning pin shaft device (61);
the transverse connecting piece (64) is detachably assembled on the side surface of the longitudinal connecting piece (63), and the second positioning pin (62) is arranged on the transverse connecting piece (64);
at least one first gasket (65) is arranged between the longitudinal connecting piece (63) and the positioning pin shaft device (61), and at least one second gasket (66) is arranged between the transverse connecting piece (64) and the longitudinal connecting piece (63);
the assembly positioning device comprises two vertical positioning assemblies (2), wherein the two vertical positioning assemblies (2) are respectively arranged on the bottom surface or the top surface of the mounting platform (1), one vertical positioning assembly (2) is used for being propped against a lower mounting platform (4) of an automobile to support the mounting platform (1), the other vertical positioning assembly (2) is used for being propped against an engine cover (3), and the vertical positioning assembly (2) can be used for changing the assembly distance between the engine cover (3) and the lower mounting platform (4) in the vertical direction through expansion and contraction;
the vertical positioning assembly (2) comprises:
the fixed seat (21) is assembled on the side surface of the mounting platform (1);
the adjusting block (22) is assembled on the fixed seat (21), and the adjusting block (22) can slide along the fixed seat (21);
one end of the spring piece (23) is assembled on the fixed seat (21), the other end of the spring piece passes through the adjusting block (22) and is connected with the positioning block (24), the spring piece (23) is always in a stretching state so as to enable the positioning block (24) to be propped against the adjusting block (22), and one end of the positioning block (24) far away from the adjusting block (22) is used for being propped against the engine cover (3) or the lower mounting platform (4);
the adjusting block (22) can extend or retract the positioning block (24) in the fixed seat (21) through sliding;
the adjusting block (22) is in a step shape, when the adjusting block (22) slides, the positioning block (24) is abutted against the adjusting block (22) with different thickness, and the positioning block (24) stretches under the action of the tensile force of the spring piece (23) along with the thickness change of the adjusting block (22).
2. The assembly positioning device according to claim 1, wherein said positioning pin means (61) comprises:
the fixed block (611) is assembled on the top surface of the mounting platform (1);
the positioning pin shaft (612) is assembled on the fixed block (611);
the rotating block (613) is arranged on the fixed block (611), the rotating block (613) can rotate around the positioning pin shaft (612), and the longitudinal connecting piece (63) is connected with the rotating block (613).
3. A method of using the assembly positioning device of claim 1 or 2, comprising the steps of:
the mounting platform (1) is respectively connected with the fenders (7) at two sides of the automobile, and the vertical positioning assembly (2) is supported on the lower mounting platform (4);
after adjusting the assembly height of the vertical positioning component (2) according to the shape and the size of the engine cover (3), switching the assembly position of the rotary positioning component (6);
the rotary positioning assembly (6) is assembled on a fixing hole (31) of the engine cover (3), and the engine cover (3) is supported on the vertical positioning assembly (2).
4. A method of use according to claim 3, wherein said switching the assembly position of the rotary positioning assembly (6) comprises:
the second positioning pin (62) of the rotary positioning assembly (6) is controlled to rotate around the positioning pin shaft device (61) so as to correspond to the position of the fixing hole (31) of the engine cover (3).
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| CN114932388A (en) | 2022-08-23 |
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