CN114413730A - Mechanism and method for simulating detection of plastic back door in welding workshop - Google Patents
Mechanism and method for simulating detection of plastic back door in welding workshop Download PDFInfo
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- CN114413730A CN114413730A CN202210036063.7A CN202210036063A CN114413730A CN 114413730 A CN114413730 A CN 114413730A CN 202210036063 A CN202210036063 A CN 202210036063A CN 114413730 A CN114413730 A CN 114413730A
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- 239000004033 plastic Substances 0.000 title claims abstract description 42
- 229920003023 plastic Polymers 0.000 title claims abstract description 42
- 238000003466 welding Methods 0.000 title claims abstract description 25
- 230000007246 mechanism Effects 0.000 title claims abstract description 18
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000001514 detection method Methods 0.000 title abstract description 9
- 238000004088 simulation Methods 0.000 claims abstract description 110
- 238000004519 manufacturing process Methods 0.000 claims abstract description 5
- 238000005259 measurement Methods 0.000 claims description 4
- 238000007689 inspection Methods 0.000 claims 8
- 230000007547 defect Effects 0.000 abstract description 8
- 239000011248 coating agent Substances 0.000 description 7
- 238000000576 coating method Methods 0.000 description 7
- 239000003973 paint Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000001962 electrophoresis Methods 0.000 description 4
- 230000008439 repair process Effects 0.000 description 4
- 238000005507 spraying Methods 0.000 description 4
- 230000013011 mating Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 2
- 241000887125 Chaptalia nutans Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/20—Measuring arrangements characterised by the use of mechanical techniques for measuring contours or curvatures
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/0025—Measuring of vehicle parts
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/14—Measuring arrangements characterised by the use of mechanical techniques for measuring distance or clearance between spaced objects or spaced apertures
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Abstract
The invention belongs to the technical field of automobile production, and particularly relates to a mechanism and a method for simulating detection of a plastic back door in a welding workshop, wherein the mechanism for simulating detection comprises a support, and the support is used for simulating the appearance contour of the plastic back door; the bracket is provided with a driving piece, a binding surface and a plurality of simulation blocks; the plurality of simulation blocks form a matched side profile of the back door and the body-in-white; one end of the driving piece, which is far away from the support, is connected with the body-in-white, and the driving piece drives the binding surface to be bound with the body-in-white. The detection method measures and records the gap and surface difference between the first simulation block and the white car body top cover, the gap and surface difference between the second simulation block and the white car body left side wall, and the gap and surface difference between the third simulation block and the white car body right side wall. The invention has the defect that the related partial gap and surface difference of the plastic back door are matched, and the problem is found and solved from the front of the assembly workshop to the welding workshop, thereby avoiding the centralized outbreak of the matching problem of the assembly workshop.
Description
Technical Field
The invention belongs to the technical field of automobile production, and particularly relates to a mechanism and a method for simulating detection of a plastic back door in a welding workshop.
Background
In 2017, in 9 months, Ministry of industry and correspondence officially issued management methods for average fuel consumption of passenger vehicle enterprises and new energy automobile credit and expenditure), the policy vigorously advocates the gradual high-energy clean transition of new energy passenger vehicles. The development of new energy automobiles is trending, and the method has positive significance for energy conservation and emission reduction. Because the weight of the battery is increased by hundreds of kilograms, the weight of the vehicle body is reduced for the new energy electric vehicle, and the light weight of the vehicle is important, because the weight is related to the main endurance problem of the new energy electric vehicle, and only means for improving the endurance mileage of the vehicle can only reduce the weight on the premise that the performance of the existing storage battery cannot make fundamental breakthrough. Under the large background, the plastic piece back door is increasingly and widely applied to new energy vehicle types to replace a sheet metal piece back door so as to achieve the purpose of reducing weight.
The strength of the sheet metal part back door is relatively good, the deformation amount of process links such as electrophoresis, paint spraying and baking in a coating workshop is small, and therefore when process path planning is carried out in each large host factory, the sheet metal part back door can be placed on a CP5 line in a welding workshop for assembly, so that the gap/surface difference fit condition between the back door and environment parts such as side walls/top covers can be visually monitored in the welding workshop, the precision of a white automobile body can be timely adjusted, and the defect occurrence frequency of the CP7 line in the assembly workshop can be effectively avoided.
The plastic piece back door is poor in strength and is not suitable for being fed into a coating workshop along with a white car body to participate in technological links such as electrophoresis, paint spraying, baking and the like after being assembled in a welding workshop, so that the assembly technological path of the plastic piece back door needs to be planned to be developed in a final assembly workshop behind the coating workshop. Therefore, the welding workshop cannot visually monitor the gap/surface difference matching condition between the back door and the side wall/top cover and other environment parts, so that the precision of the body-in-white can not be effectively adjusted in time, the problem is delayed to be found in the assembly workshop, and outbreak is concentrated.
Disclosure of Invention
The invention aims to solve the problems and provides a mechanism and a method for simulating the detection of a plastic back door in a welding workshop.
In order to achieve the technical purpose, the invention adopts the following technical scheme:
a mechanism for simulating detection of a plastic back door in a welding workshop comprises a support, a welding machine and a welding machine, wherein the support is used for simulating the appearance contour of the plastic back door; the bracket is provided with a driving piece, a binding surface and a plurality of simulation blocks; the plurality of simulation blocks form a matched side profile of the back door and the body-in-white; the driving piece drives the joint surface to be jointed with the body in white.
The bonding surface comprises a bonding surface A1, a bonding surface A2, a bonding surface A3, a bonding surface A4, a bonding surface B1, a bonding surface B2, a bonding surface C1 and a bonding surface C2; the binding surface A1 and the binding surface A2 are both bound with the matching surface of the white car body top cover in the X direction; the binding surface A3 is bound with the X-direction matching surface of the left side wall of the body-in-white; the binding surface A4 is bound with the X-direction matching surface of the right side wall of the body-in-white; the adhering surface B1 and the adhering surface B2 are adhered to each other through Z-direction tight surfaces of the back door hinge of the vehicle body; the binding surface C1 is bound with the Y-direction matching surface of the left side wall of the body-in-white; the jointing surface C2 is jointed with the Y-direction matching surface of the right side wall of the body-in-white.
Furthermore, the driving part comprises two telescopic parts, and one ends of the two telescopic parts, which are far away from the bracket, are connected with the matching surface of the top cover of the body-in-white vehicle; so that the bracket obtains X-direction tension; the two driving pieces drive the binding surface A1 and the binding surface A2 to be bound with the matching surface of the white vehicle body top cover X, and drive the binding surface A3 to be bound with the matching surface of the white vehicle body left side wall X, and the binding surface A4 to be bound with the matching surface of the white vehicle body right side wall X.
Further, the telescopic piece comprises a first fixing rod, a fixing barrel and a second fixing rod; the bracket is provided with a first mounting seat; one end of the first fixing rod is hinged with the first mounting seat, and the other end of the first fixing rod is connected with the fixing barrel; a spring is arranged in the fixed cylinder; one end of the spring is connected with the fixed cylinder, and the other end of the spring is connected with a second fixed rod; one end of the second fixed rod extending out of the fixed cylinder is a hook.
Furthermore, the driving part also comprises two push-pull parts, and one ends of the two push-pull parts, which are far away from the bracket, are connected with a tightening surface of a back door hinge of the white vehicle body, so that the bracket obtains Z-direction tension; the two push-pull pieces drive the joint surface B1 and the joint surface B2 to be jointed with a Z-direction tightening surface of a back door hinge of a white vehicle body.
Furthermore, the driving piece also comprises two screwing pieces, and one screwing piece drives the jointing surface C1 to be jointed with the Y-direction matching surface of the left side wall of the body-in-white; the other screwing piece drives the abutting surface C2 to abut against the Y-direction matching surface of the white body right side wall.
Further, the push-pull member includes a push-pull rod; the bracket is provided with a second mounting seat, a channel penetrated by the push-pull rod is arranged in the second mounting seat, a spring is arranged in the channel, and the push-pull rod part positioned in the channel is connected with the spring; one end of the push-pull rod extending out of the channel is provided with a hook; the screwing piece comprises a knob, a rotating rod, a sleeve and a moving rod; the bracket is provided with a third mounting seat, and a channel for mounting the sleeve is arranged in the third mounting seat; one end of the rotating rod is connected with the knob, and the other end of the rotating rod extends into the sleeve and is in threaded connection with the sleeve; one end of the movable rod is positioned in the sleeve, and the other end of the movable rod extends out of the sleeve; one end of the movable rod extending out of the sleeve is provided with a joint surface C1; the other moving rod is provided with an abutting surface C2 at one end extending out of the sleeve.
Furthermore, the simulation block comprises a first simulation block, a second simulation block and a third simulation block, wherein the first simulation block is used for simulating the gap and the surface difference between the back door and the white car body top cover; the second simulation block is used for simulating a gap and a surface difference between the back door and the left side wall of the body-in-white; the third simulation block is used for simulating the gap and the surface difference between the back door and the right side wall of the body-in-white.
Furthermore, the bracket comprises a first supporting column, a second supporting column and a third supporting column which are positioned at the outermost periphery of the bracket, the first supporting column and the second supporting column are arranged oppositely, the third supporting column is positioned between the first supporting column and the second supporting column, and a fourth supporting column is also arranged between the first supporting column and the second supporting column; the first mounting seat is positioned on the fourth support column, the second mounting seat of the push-pull piece is fixed on the third support column, the third mounting seat of one screwing piece is fixed on the first support column, and the third mounting seat of the other screwing piece is fixed on the second support column; the attaching surface A1, the attaching surface A2, the attaching surface B1, the attaching surface B2 and the first simulation block are all arranged on the third support; the binding surface A3, the binding surface C1 and the second simulation block are all arranged on the first support; the attaching surface A4, the attaching surface C2 and the third simulation block are all arranged on the second support.
The embodiment also provides a detection method for simulating the plastic back door in the welding workshop, which comprises the following steps,
s1: manufacturing a bracket for simulating the appearance contour of the back door of the plastic piece;
s2: the bracket is provided with an expansion piece, a push-pull piece, a tightening piece, a binding surface A1, a binding surface A2, a binding surface A3, a binding surface A4, a binding surface B1, a binding surface B2, a binding surface C1, a binding surface C2, a first simulation block, a second simulation block and a third simulation block; the first simulation block, the second simulation block and the third simulation block form a matched side profile of the back door and the body-in-white;
s3: assembling the bracket to the body in white; the two telescopic pieces are connected with a white vehicle body top cover matching surface, the two push-pull pieces are connected with a white vehicle body back door hinge tightening surface, so that a binding surface A1 and a binding surface A2 of the bracket are both bound with a white vehicle body top cover X-direction matching surface, a binding surface A3 is bound with a white vehicle body left side wall X-direction matching surface, a binding surface A4 is bound with a white vehicle body right side wall X-direction matching surface, a binding surface B1 and a binding surface B2 are bound with a white vehicle body back door hinge Z-direction tightening surface; rotating the two screwing pieces to enable the attaching surface C1 to be attached to the Y-direction matching surface of the left side wall of the body-in-white and the attaching surface C2 to be attached to the Y-direction matching surface of the right side wall of the body-in-white;
s4: after the support is assembled, measuring and recording the gap and surface difference between the first simulation block and the white car body top cover, the gap and surface difference between the second simulation block and the white car body left side wall, and the gap and surface difference between the third simulation block and the white car body right side wall;
s5: the measurement data is analyzed.
Compared with the prior art, the invention has the beneficial technical effects that:
the invention effectively solves the problem of planning the process assembly path of the plastic back door and avoids the deformation defect of the plastic back door in the process links of electrophoresis, paint spraying, baking and the like in a coating workshop; the problems of matching defects of gaps and surface differences of parts related to the plastic back door are found and solved from the front of a final assembly workshop to a welding workshop, so that centralized outbreak of matching problems of the final assembly workshop is avoided; the problem of matching defects of gaps and surface differences of parts related to the plastic back door is found and solved from a final assembly workshop to a welding workshop, so that a body-in-white with a precision problem is prevented from continuously flowing into a downstream coating workshop and the final assembly workshop; the problems of repair time and possible paint repair color difference caused by adjusting the plastic back door in the assembly workshop are effectively reduced.
Drawings
FIG. 1 is a view showing the structure of the present embodiment;
FIG. 2 is a schematic view of the embodiment connected to a body in white;
FIG. 3 is a schematic structural view of the push-pull member of the present embodiment;
fig. 4 is a schematic view of the tightening member of the present embodiment.
In the figure, 1 a first support column, 2 a second support column, 3 a third support column, 4 a fourth support column, 5 a binding surface A1, 6 a binding surface A2, 7 a binding surface A3, 8 a binding surface A4, 9 a binding surface B1, 10 a binding surface B2, 11 a binding surface C1, 12 a binding surface C2, 13 a simulation block I, 14 a simulation block II, 15 a simulation block III, 16 a simulation block IV, 17 a simulation block V, 18 a simulation block VI, 19 a simulation block seven, 20 a simulation block eight, 21 a simulation block nine, 22 a simulation block ten, 23 a simulation block eleven, 24 a telescopic member, 25 a first fixing rod, 26 a fixing cylinder, 27 a second fixing rod, 28 a push-pull member, 29 a push-pull rod, 30 a fastening member, 31 a top cover, 32 a white back door hinge fastening surface, 33 a left side wall, 34 a right side wall, 35 a rotary rod, 36 a 37 sleeve, 38 a moving rod and 39 a vernier caliper.
Detailed Description
The invention will be further described with reference to specific examples, but the scope of the invention is not limited thereto.
Example one
The embodiment will use the reference system as the coordinate system of the whole vehicle, and for the definition of X, Y, Z coordinate axis directions, the definition of the planes X =0, Y =0 and Z =0 and the definition of the origin of the coordinate system of the whole vehicle are detailed in the document Q/THZ B1-53 "three-dimensional coordinates of the vehicle".
The embodiment is a mechanism that simulation plastics back door detected in welding workshop, including the support, the support is used for simulating the outside appearance profile of working of plastics back door. The bracket is provided with a driving piece, a binding surface and a plurality of simulation blocks. A plurality of simulation blocks form the matching side profile of the back door and the body-in-white. The driving piece drives the joint surface to be jointed with the body in white. The support replaces the back door of working of plastics at welding workshop CP5 line, and wherein, the support passes through the self-align assembly of driving piece to white automobile body, and driving piece drive binding face and the laminating of white automobile body for the support obtains X respectively to pulling force, Z to pulling force, Y to the pulling force. The X-direction tension controls the X-direction of the bracket, the Z-direction tension controls the Z-direction of the bracket, and the Y-direction tension controls the Y-direction of the bracket. After the bracket is assembled on the body-in-white in a self-positioning manner, a measurer measures the gap and the surface difference between the simulation block and the body-in-white and records data. Then analyzing the measured data, and if the measured data are not problematic, releasing the CP5 line; and feeding back the corresponding major with problems to correct the precision of the body in white to form a monitoring closed loop. Therefore, the method effectively solves the problem of planning the process assembly path of the plastic back door, and avoids the problem of deformation defects of the plastic back door in the process links of electrophoresis, paint spraying, baking and the like in a coating workshop; the problems of matching defects of gaps and surface differences of parts related to the plastic back door are found and solved from the front of a final assembly workshop to a welding workshop, so that centralized outbreak of matching problems of the final assembly workshop is avoided; the problem of matching defects of gaps and surface differences of parts related to the plastic back door is found and solved from a final assembly workshop to a welding workshop, so that a body-in-white with a precision problem is prevented from continuously flowing into a downstream coating workshop and the final assembly workshop; the problems of repair time and possible paint repair color difference caused by adjusting the plastic back door in the assembly workshop are effectively reduced.
The attaching surface on the stent of this embodiment includes an attaching surface a 15, an attaching surface a 26, an attaching surface a 37, an attaching surface a 48, an attaching surface B19, an attaching surface B210, an attaching surface C111, and an attaching surface C212. The attachment surface a 15 and the attachment surface a 26 are both attached to the X-direction mating surface of the body shell 31. The attachment surface a 37 is attached to an X-direction mating surface of the body-in-white left side panel 33. The attachment surface a 48 is attached to an X-mating surface of the body-in-white right side panel 34. The adhering surface B19 and the adhering surface B210 are adhered on the Z-direction tight surface of the back door hinge of the white automobile body. The bonding surface C111 is bonded to the Y-direction matching surface of the body-in-white left side panel 33. The contact surface C212 contacts the Y-facing surface of the right side panel 34 of the body-in-white 34. The sticking surface a 15, the sticking surface a 26, the sticking surface a 37, and the sticking surface a 48 control the X direction of the stent together. Abutment surface B19 and abutment surface B210 together control the Z-direction of the stent. The contact surfaces C111 and C212 control the Y direction of the holder.
In order to facilitate the connection of the bracket and the body-in-white, the driving member of the embodiment comprises two telescopic members 24, and one ends of the two telescopic members 24, which are far away from the bracket, are both connected with the matching surface of the body-in-white top cover 31, so that the bracket obtains the tensile force in the X direction. The two driving pieces drive the joint surface A15 and the joint surface A26 to be jointed with the X-direction matching surface of the white car body top cover 31, the joint surface A37 is driven to be jointed with the X-direction matching surface of the white car body left side wall 33, and the joint surface A48 is jointed with the X-direction matching surface of the white car body right side wall 34. The telescopic member 24 includes a first fixing rod 25, a fixing cylinder 26, and a second fixing rod 27. The support is provided with a first mounting seat. One end of the first fixing rod 25 is hinged with the first mounting seat, and the other end is connected with the fixing cylinder 26. One end of the first fixing lever 25 is rotatable around the first mount. A spring is provided in the fixed cylinder 26. One end of the spring is connected with the fixed cylinder 26, and the other end is connected with a second fixed rod 27. The end of the second fixing rod 27 extending out of the fixing cylinder 26 is a hook. When the telescopic piece 24 is used, a body-in-white is hooked through the hook to obtain X-direction tensile force, the spring in the fixed cylinder 26 is stretched, the binding surface A15 and the binding surface A26 are completely bound with the X-direction matching surface of the body-in-white top cover 31, the binding surface A37 is completely bound with the X-direction matching surface of the left side wall 33 of the body-in-white, the binding surface A48 is completely bound with the right side wall 34X of the body-in-white to the matching surface, and the X direction of the support is controlled together.
In order to facilitate the connection of the bracket and the body-in-white, the driving element of the embodiment further comprises two push-pull pieces 28, and one ends of the two push-pull pieces 28, which are far away from the bracket, are connected with a back door hinge tightening surface 32 of the body-in-white, so that the bracket obtains a Z-direction pulling force. The two push-pull pieces 28 drive the joint surface B19 and the joint surface B210 to be jointed by a Z-direction tight surface of the back door hinge of the white car body. The push-pull member 28 comprises a push-pull rod 29. The bracket is provided with a second mounting seat, a channel through which the push-pull rod 29 penetrates is arranged in the second mounting seat, a spring is arranged in the channel, and the part of the push-pull rod 29 positioned in the channel is connected with the spring. One end of the push-pull rod 29 extending out of the channel is provided with a hook. When the push-pull piece 28 is used, when the push-pull rod 29 is pushed downwards, the spring is stretched, the hook hooks the fastening surface of the back door hinge of the body in white to obtain Z-direction tension, and due to the fact that the spring is stretched, tension is generated, the adhering surface B19 and the adhering surface B210 are completely adhered to the Z-direction fastening surface of the back door hinge, and the Z direction of the support is controlled.
To facilitate attachment of the bracket to the body-in-white, the drive member of this embodiment further includes two tightening members 30. A tightening piece 30 is rotated to make the bracket obtain a Y-direction pulling force, and the tightening piece 30 drives the abutting surface C111 to abut against a Y-direction matching surface of the body-in-white left side wall 33. The other tightening member 30 is rotated to apply a Y-direction tension to the bracket, and the tightening member 30 drives the abutment surface C212 to abut the Y-direction mating surface of the right side panel 34 of the right side body shell 34 of the body-in-white.
The tightening member 30 includes a knob 35, a rotating rod 36, a sleeve 37, and a moving rod 38. The support is provided with a third mounting seat, and a channel for mounting the sleeve 37 is arranged in the third mounting seat. One end of the rotating rod 36 is connected with the knob 35, and the other end extends into the sleeve 37 to be connected with the sleeve 37 in a threaded mode. One end of the travel bar 38 is located within the sleeve 37 and the other end extends outside the sleeve 37. An abutment surface C1 is provided at the end of the travel bar 38 that extends beyond the sleeve 37. The other end of the travel bar 38 extending beyond the sleeve 37 is provided with an abutment surface C2. And rotating a screwing piece knob 35 to enable the top of the rotating rod 36 to abut against the moving rod 38, and driving the moving rod 38 through the rotation of the rotating rod 36 to enable the moving rod 38 to obtain Y-direction tension, so that the abutting surface C111 is completely abutted with the Y direction of the white body left side wall 33 in a matching manner, and the Y direction of the support is controlled. And rotating the other screwing piece knob 35 to enable the top of the rotating rod 36 to abut against the moving rod 38, and driving the moving rod 38 through the rotation of the rotating rod 36 to enable the moving rod 38 to obtain Y-direction tension, so that the abutting surface C212 is matched and completely abutted with the Y direction of the white body right side wall 34, and the Y direction of the support is controlled. The third mounting seat is further provided with a vernier caliper 39, and the moving distance of the moving rod 38 is read through the vernier caliper 39, so that the bracket is ensured to be positioned at the center of the connecting line of the symmetrical points of the left side and the right side.
The simulation block of the embodiment comprises a first simulation block, a second simulation block and a third simulation block, wherein the first simulation block is used for simulating the gap and the surface difference between the back door and the white car body top cover 31; the second simulation block is used for simulating the gap and the surface difference between the back door and the white body left side wall 33; the third simulation block is used for simulating the gap and the surface difference between the back door and the white body right side wall 34. The first simulation block, the second simulation block and the third simulation block form a matched side profile of the upper half section of the back door and the body in white.
The stent of the embodiment comprises a first strut 1, a second strut 2 and a third strut 3 which are positioned at the outermost periphery of the stent, wherein the first strut 1 and the second strut 2 are arranged oppositely, the third strut 3 is positioned between the first strut 1 and the second strut 2, and a fourth strut 4 is further arranged between the first strut 1 and the second strut 2. The first mounting seat is located on fourth support column 4, the second mounting seat of push-pull member 28 is fixed to third support column 3, the third mounting seat of one of the tightening members 30 is fixed to first support column 1, and the third mounting seat of the other of tightening members 30 is fixed to second support column 2. The attachment surface a 15, the attachment surface a 26, the attachment surface B19, the attachment surface B210, and the first dummy block are provided on the third pillar 3. The attachment surface a 37, the attachment surface C111, and the second dummy block are all provided on the first pillar 1. The attaching surface a 48, the attaching surface C212, and the third simulation block are all disposed on the second pillar 2.
The first simulation block comprises a first simulation block 13, a second simulation block 14, a third simulation block, a fourth simulation block 16 and a fifth simulation block 17 which are positioned on the third support 3, wherein the first simulation block 13 and the fifth simulation block 17 are respectively positioned at two ends of the third support 3, and the second simulation block 14, the third simulation block and the fourth simulation block 16 are positioned between the first simulation block 13 and the fifth simulation block 17. The second analog block comprises an analog block six 18, an analog block seven 19 and an analog block eight 20 which are positioned on the second support column 2, wherein the analog block six 18 and the analog block eight 20 are positioned at two ends of the second support column 2, and the analog block seven 19 is positioned between the analog block six 18 and the analog block eight 20. The third analog block comprises an analog block nine 21, an analog block ten 22 and an analog block eleven 23 which are positioned on the third support 3, the analog block nine 21 and the analog block eleven 23 are positioned at two ends of the first support 1, and the analog block eleven is positioned between the analog block eleven 23 and the analog block nine 21. The matching side profile of the back door and the body-in-white can be completely simulated by the aid of the simulation blocks which are dispersedly arranged.
The first support 1 is provided with a mounting seat for mounting the dummy block nine 21, and the attachment surface a 37 is located on the mounting seat. The second pillar 2 is provided with a mounting seat for mounting the dummy block eight, and the abutting surface A48 is positioned on the mounting seat. The third support 3 is provided with a mounting seat for mounting the first simulation block 13, and the attachment surface A15, the attachment surface B19 and the push-pull piece 28 are all located on the mounting seat. The third support 3 is also provided with a mounting seat for mounting the simulation block five 17, and the abutting surface A26, the abutting surface B210 and the other push-pull piece 28 are all located on the mounting seat. The abutting surface C111 is located on a third mounting seat corresponding to one fastening member 30, and the abutting surface C212 is located on a third mounting seat corresponding to another fastening member 30. In the embodiment, the simulation block and the binding surface are arranged on the same mounting seat, so that the weight of the support can be reduced, and the cost is reduced. In the embodiment, the simulation block, the plurality of binding surfaces and the driving piece are arranged on the same mounting seat, so that the weight of the support can be reduced, and the cost is reduced.
Example two
The embodiment provides a method for detecting a simulated plastic back door in a welding workshop, which comprises the following steps,
s1: manufacturing a bracket for simulating the appearance contour of the back door of the plastic piece;
s2: the bracket is provided with an expansion piece 24, a push-pull piece 28, a tightening piece 30, a joint surface A15, a joint surface A26, a joint surface A37, a joint surface A48, a joint surface B19, a joint surface B210, a joint surface C111, a joint surface C212, a first simulation block, a second simulation block and a third simulation block; the first simulation block, the second simulation block and the third simulation block form a matched side profile of the back door and the body-in-white;
s3: assembling the bracket to the body in white; the two telescopic pieces 24 are connected with a matching surface of a white vehicle body top cover 31, the two push-pull pieces 28 are connected with a back door hinge tightening surface 32 of the white vehicle body, so that a binding surface A15 and a binding surface A26 of the bracket are both bound with an X-direction matching surface of the white vehicle body top cover 31, a binding surface A37 is bound with an X-direction matching surface of a left side wall 33 of the white vehicle body, a binding surface A48 is bound with an X-direction matching surface of a right side wall 34 of the white vehicle body, and a binding surface B19 and a binding surface B210 are both bound with a Z-direction tightening surface of the back door hinge of the white vehicle body; rotating the two screwing pieces 30 to enable the jointing surface C111 to be jointed with the Y-direction matching surface of the white body left side wall 33, and the jointing surface C212 to be jointed with the Y-direction matching surface of the white body right side wall 34;
s4: after the support is assembled, measuring and recording the gap and surface difference between the first simulation block and the white body top cover 31, the gap and surface difference between the second simulation block and the white body left side wall 33, and the gap and surface difference between the third simulation block and the white body right side wall 34;
s4: the measurement data is analyzed.
In step S1, the stent is planned to be used on the CP5 line of the welding shop.
In step S3, the attaching surface a 15 and the attaching surface a 26 are positioned on the X-direction matching surface of the top cover 31. The abutment surface a 37 is defined on the X-mating surface of the left side wall 33. The binding face A48 is positioned on the right side wall 34X-direction matching face, the binding face A15, the binding face A26, the binding face A37 and the binding face A48 hook the white automobile body through the telescopic pieces 24 with 2 built-in springs to obtain X-direction tension, the binding face A15 and the binding face A26 are completely bound with the X-direction matching face of the top cover 31, the binding face A37 is completely bound with the X-direction matching face of the left side wall 33, the binding face A48 is completely bound with the right side wall 34X-direction matching face, and the X direction of the measuring support is controlled together. The attaching surface B19 and the attaching surface B210 are positioned on a back door hinge Z-direction tightening surface of a white automobile body, the back door hinge tightening surface is hooked through the push-pull pieces 28 with 2 built-in springs to obtain Z-direction pulling force, the attaching surface B19 and the attaching surface B210 are completely attached to the back door hinge Z-direction tightening surface, and the Z direction of the measuring support is controlled. The attaching surface C111 is positioned on the Y-direction matching surface of the left side wall 33, the attaching surface C212 is positioned on the Y-direction matching surface of the right side wall 34, pressure is obtained through rotation of the 2 screwing pieces 30 with scales, the attaching surface C111 is completely attached to the Y-direction matching surface of the left side wall 33, the attaching surface C212 is completely attached to the Y-direction matching surface of the right side wall 34, and the Y direction of the support is controlled.
In step S4, the number of the simulation blocks is eleven, and after the self-positioning assembly of the bracket on the body-in-white is completed, the measurer measures the gap and the surface difference between the simulation blocks on the bracket and the body-in-white and records the measurement data. The first simulation block 13 to the fifth simulation block 17 are gap and surface difference simulation blocks with the top cover 31. Simulation blocks six 18 to eight 20 are clearance and surface difference simulation blocks with the left side wall 33. The simulation blocks nine 21 to eleven 23 are gap and surface difference simulation blocks with the right side wall 34.
In step S5, the problem-free CP5 line releases, and the problem feeds back the corresponding specialty to correct the precision of the white body, so as to form a monitoring closed loop.
While the embodiments of the present invention have been described in detail, it will be apparent to those skilled in the art that variations may be made in the embodiments without departing from the spirit of the invention, and such variations are to be considered within the scope of the invention.
Claims (10)
1. The utility model provides a mechanism that simulation plastics back door detected between welding, its characterized in that:
comprises a bracket, wherein the bracket is used for simulating the appearance contour of a back door of a plastic piece; the bracket is provided with a driving piece, a binding surface and a plurality of simulation blocks; the plurality of simulation blocks form a matched side profile of the back door and the body-in-white; the driving piece drives the joint surface to be jointed with the body in white.
2. The mechanism for simulating the inspection of a plastic back door in a weld shop according to claim 1, wherein:
the bonding surface comprises a bonding surface A1, a bonding surface A2, a bonding surface A3, a bonding surface A4, a bonding surface B1, a bonding surface B2, a bonding surface C1 and a bonding surface C2; the binding surface A1 and the binding surface A2 are both bound with the matching surface of the white car body top cover in the X direction; the binding surface A3 is bound with the X-direction matching surface of the left side wall of the body-in-white; the binding surface A4 is bound with the X-direction matching surface of the right side wall of the body-in-white; the adhering surface B1 and the adhering surface B2 are adhered to each other through Z-direction tight surfaces of the back door hinge of the vehicle body; the binding surface C1 is bound with the Y-direction matching surface of the left side wall of the body-in-white; the jointing surface C2 is jointed with the Y-direction matching surface of the right side wall of the body-in-white.
3. The mechanism for simulating the inspection of a plastic back door in a weld shop according to claim 2, wherein: the driving piece comprises two telescopic pieces, and one ends of the two telescopic pieces, which are far away from the bracket, are connected with the matching surface of the top cover of the body-in-white vehicle; so that the bracket obtains X-direction tension; the two driving pieces drive the binding surface A1 and the binding surface A2 to be bound with the matching surface of the white vehicle body top cover X, and drive the binding surface A3 to be bound with the matching surface of the white vehicle body left side wall X, and the binding surface A4 to be bound with the matching surface of the white vehicle body right side wall X.
4. The mechanism for simulating the inspection of a plastic back door in a weld shop according to claim 1, wherein: the telescopic piece comprises a first fixed rod, a fixed cylinder and a second fixed rod; the bracket is provided with a first mounting seat; one end of the first fixing rod is hinged with the first mounting seat, and the other end of the first fixing rod is connected with the fixing barrel; a spring is arranged in the fixed cylinder; one end of the spring is connected with the fixed cylinder, and the other end of the spring is connected with a second fixed rod; one end of the second fixed rod extending out of the fixed cylinder is a hook.
5. The mechanism for simulating the inspection of a plastic back door in a weld shop according to claim 2, wherein: the driving part also comprises two push-pull parts, and one ends of the two push-pull parts, which are far away from the bracket, are connected with the tightening surfaces of the back door hinges of the white vehicle body, so that the bracket obtains Z-direction tension; the two push-pull pieces drive the joint surface B1 and the joint surface B2 to be jointed with a Z-direction tightening surface of a back door hinge of a white vehicle body.
6. The mechanism for simulating the inspection of a plastic back door in a weld shop according to claim 2, wherein: the driving piece also comprises two screwing pieces, and one screwing piece drives the jointing surface C1 to be jointed with the Y-direction matching surface of the left side wall of the body-in-white; the other screwing piece drives the abutting surface C2 to abut against the Y-direction matching surface of the white body right side wall.
7. The mechanism for simulating the inspection of a plastic back door in a weld shop according to claim 6, wherein: the push-pull piece comprises a push-pull rod; the bracket is provided with a second mounting seat, a channel penetrated by the push-pull rod is arranged in the second mounting seat, a spring is arranged in the channel, and the push-pull rod part positioned in the channel is connected with the spring; one end of the push-pull rod extending out of the channel is provided with a hook;
the screwing piece comprises a knob, a rotating rod, a sleeve and a moving rod; the bracket is provided with a third mounting seat, and a channel for mounting the sleeve is arranged in the third mounting seat; one end of the rotating rod is connected with the knob, and the other end of the rotating rod extends into the sleeve and is in threaded connection with the sleeve; one end of the movable rod is positioned in the sleeve, and the other end of the movable rod extends out of the sleeve; one end of the movable rod extending out of the sleeve is provided with a joint surface C1; the other moving rod is provided with an abutting surface C2 at one end extending out of the sleeve.
8. The mechanism for simulating the inspection of a plastic back door in a weld shop according to claim 2, wherein: the simulation block comprises a first simulation block, a second simulation block and a third simulation block, and the first simulation block is used for simulating the gap and the surface difference between the back door and the white car body top cover; the second simulation block is used for simulating a gap and a surface difference between the back door and the left side wall of the body-in-white; the third simulation block is used for simulating the gap and the surface difference between the back door and the right side wall of the body-in-white.
9. The mechanism for simulating the inspection of a plastic back door in a weld shop according to claim 8, wherein: the bracket comprises a first supporting column, a second supporting column and a third supporting column which are positioned at the outermost periphery of the bracket, the first supporting column and the second supporting column are arranged oppositely, the third supporting column is positioned between the first supporting column and the second supporting column, and a fourth supporting column is also arranged between the first supporting column and the second supporting column;
the first mounting seat is positioned on the fourth support column, the second mounting seat of the push-pull piece is fixed on the third support column, the third mounting seat of one screwing piece is fixed on the first support column, and the third mounting seat of the other screwing piece is fixed on the second support column; the attaching surface A1, the attaching surface A2, the attaching surface B1, the attaching surface B2 and the first simulation block are all arranged on the third support; the binding surface A3, the binding surface C1 and the second simulation block are all arranged on the first support; the attaching surface A4, the attaching surface C2 and the third simulation block are all arranged on the second support.
10. A method for detecting a simulated plastic back door in a welding workshop, which adopts the mechanism for detecting the simulated plastic back door in the welding workshop as claimed in any one of claims 1 to 9, and is characterized by comprising the following steps,
s1: manufacturing a bracket for simulating the appearance contour of the back door of the plastic piece;
s2: the bracket is provided with an expansion piece, a push-pull piece, a tightening piece, a binding surface A1, a binding surface A2, a binding surface A3, a binding surface A4, a binding surface B1, a binding surface B2, a binding surface C1, a binding surface C2, a first simulation block, a second simulation block and a third simulation block; the first simulation block, the second simulation block and the third simulation block form a matched side profile of the back door and the body-in-white;
s3: assembling the bracket to the body in white; the two telescopic pieces are connected with a white vehicle body top cover matching surface, the two push-pull pieces are connected with a white vehicle body back door hinge tightening surface, so that a binding surface A1 and a binding surface A2 of the bracket are both bound with a white vehicle body top cover X-direction matching surface, a binding surface A3 is bound with a white vehicle body left side wall X-direction matching surface, a binding surface A4 is bound with a white vehicle body right side wall X-direction matching surface, a binding surface B1 and a binding surface B2 are bound with a white vehicle body back door hinge Z-direction tightening surface; rotating the two screwing pieces to enable the attaching surface C1 to be attached to the Y-direction matching surface of the left side wall of the body-in-white and the attaching surface C2 to be attached to the Y-direction matching surface of the right side wall of the body-in-white;
s4: after the support is assembled, measuring and recording the gap and surface difference between the first simulation block and the white car body top cover, the gap and surface difference between the second simulation block and the white car body left side wall, and the gap and surface difference between the third simulation block and the white car body right side wall;
s5: the measurement data is analyzed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202210036063.7A CN114413730A (en) | 2022-01-13 | 2022-01-13 | Mechanism and method for simulating detection of plastic back door in welding workshop |
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| CN202210036063.7A CN114413730A (en) | 2022-01-13 | 2022-01-13 | Mechanism and method for simulating detection of plastic back door in welding workshop |
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Address after: 314500 988 Tong Tong Road, Wu Tong Street, Tongxiang, Jiaxing, Zhejiang Applicant after: United New Energy Automobile Co.,Ltd. Address before: 314500 988 Tong Tong Road, Wu Tong Street, Tongxiang, Jiaxing, Zhejiang Applicant before: Hezhong New Energy Vehicle Co.,Ltd. |