Vehicle door three-coordinate measuring device

Abstract

The utility model discloses a three-coordinate measuring device for a vehicle door, and the device comprises a bottom plate which is provided with a first support, a second support, and a third support; the first driving unit drives the first bracket to move along a first preset path; the second driving unit drives the second support to move in the first direction; the supporting unit comprises a first supporting part; the third driving unit drives the first supporting part to move in the first direction; the clamping unit is used for clamping the vehicle door; the fourth driving unit drives the clamping unit to move in the second direction; the fifth driving unit drives the fourth driving unit to move in the third direction; and the sixth driving unit drives the third bracket to move along a second preset path. According to the utility model, the second driving unit, the third driving unit, the fourth driving unit, the fifth driving unit, the supporting unit and the clamping unit are utilized to fix the vehicle door, and then the position of the vehicle door is adjusted through the first driving unit and the sixth driving unit, so that the three-coordinate size of the vehicle door is accurately measured.

Description

TECHNICAL FIELD

[0001] The utility model relates to vehicle structure measurement frock technical field, especially a vehicle door three -coordinate measuring device. BACKGROUND

[0002] In modern vehicle manufacturing technology, vehicle door manufacturing process is a very important component in vehicle manufacturing link. The manufacturing capacity and manufacturing level of vehicle door become increasingly important, which will directly affect the assembly accuracy of the whole vehicle in later period. How to ensure the size precision of vehicle door and monitor the size deviation of vehicle door manufacturing needs three -coordinate measurement data for analysis and acquisition, and the vehicle door measurement / scanning frame is an important carrier for vehicle door precision measurement and evaluation, which ensures the reliability of vehicle door installation, positioning and data acquisition accuracy during measurement / scanning. SUMMARY

[0003] The utility model discloses a vehicle door three -coordinate measuring device, to solve the problem in prior art, improve vehicle door three -coordinate data's measurement precision.

[0004] The utility model provides a vehicle door three -coordinate measuring device, it includes:

[0005] Bottom plate, be equipped with first support, second support, third support and fourth support on the bottom plate,

[0006] First drive unit, the first drive unit is located on the bottom plate, and the first drive unit is used for driving the first support moves along first predetermined path,

[0007] Second drive unit, the second drive unit is located on the first support, and the second drive unit is used for driving the second support reciprocatingly moves along first direction,

[0008] Support unit, the support unit includes first support part and second support part, the first support part is located on the third support, the second support part is located on the fourth support, and the fourth support is located on the second support,

[0009] Third drive unit, the third drive unit is located on the third support, and the third drive unit is used for driving the first support part reciprocatingly moves along the first direction,

[0010] Clamping unit, the third support and the fourth support all are equipped with the clamping unit, and the clamping unit is used for clamping vehicle door,

[0011] Fourth drive unit, the third support and the fourth support all are equipped with the fourth drive unit, and the fourth drive unit is used for driving corresponding clamping unit reciprocatingly moves along second direction,

[0012] A fifth driving unit is arranged on the third support and the fourth support, and is used to drive the corresponding fourth driving unit to move back and forth along a third direction.

[0013] A sixth driving unit is arranged on the first support, and is used to drive the third support to move along a second preset path, and the fourth support moves synchronously along the second preset path when the third support moves along the second preset path.

[0014] The vehicle door three-coordinate measuring device as described above, preferably, the first driving unit comprises a first cylinder, a first gear and a second gear, the piston rod end of the first cylinder is connected with the first gear, the second gear is connected with the first support, and the first gear is engaged with the second gear.

[0015] The vehicle door three-coordinate measuring device as described above, preferably, the second driving unit comprises a second cylinder, and the piston rod end of the second cylinder is connected with the second support.

[0016] The vehicle door three-coordinate measuring device as described above, preferably, the third driving unit comprises a first motor, a lead screw and a lead screw nut, the output end of the first motor is connected with the lead screw, and the first support part is arranged on the lead screw nut.

[0017] The vehicle door three-coordinate measuring device as described above, preferably, the fourth support comprises a first plate body and a second plate body, the first plate body is connected with the second support, the second plate body is arranged on the third support, and the second support part is arranged on the second plate body.

[0018] The vehicle door three-coordinate measuring device as described above, preferably, the clamping unit comprises a third cylinder and a clamping piece, and the third cylinder is used to drive the clamping piece to clamp or release the vehicle door.

[0019] The vehicle door three-coordinate measuring device as described above, preferably, the fourth driving unit comprises a fourth cylinder, and the piston rod end of the fourth cylinder is connected with the clamping unit.

[0020] The vehicle door three-coordinate measuring device as described above, preferably, the fifth driving unit comprises a fifth cylinder, and the piston rod end of the fifth cylinder is connected with the fourth driving unit.

[0021] The sixth driving unit preferably comprises a second motor, a third gear and a fourth gear, the output end of the second motor is connected with the third gear, the fourth gear is arranged on the third support, and the third gear is engaged with the fourth gear.

[0022] The bottom plate is further provided with a plurality of universal wheels.

[0023] Compared with the prior art, the second driving unit, the third driving unit, the fourth driving unit, the fifth driving unit, the supporting unit and the clamping unit are utilized to realize accurate positioning of the vehicle door, the position of the vehicle door is adjusted through the first driving unit and the sixth driving unit, and then the three-coordinate size of the vehicle door is accurately measured, and the measurement accuracy is improved. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 is a perspective view of the vehicle door three-coordinate measurement device provided by the embodiment of the utility model.

[0025] BRIEF DESCRIPTION OF DRAWINGS

[0026] 10-bottom plate, 11-first support, 12-second support, 13-third support, 131-fourth guide rail, 14-fourth support, 141-first plate body, 142-second plate body, 143-fourth sliding block;

[0027] 20-first driving unit, 21-first cylinder, 22-first gear, 23-second gear, 24-first guide rail, 25-first sliding block, 26-connection block;

[0028] 30-second driving unit, 31-second cylinder, 32-second guide rail, 33-second sliding block;

[0029] 40-supporting unit, 41-first supporting part, 42-second supporting part;

[0030] 50-third driving unit, 51-first motor, 52-screw rod, 53-screw rod nut, 54-third guide rail, 55-third sliding block;

[0031] 60-clamping unit, 61-third cylinder, 62-clamping part;

[0032] 70-fourth driving unit, 71-fourth cylinder;

[0033] 80-fifth driving unit, 81-fifth cylinder;

[0034] 90-sixth driving unit, 91-second motor, 92-third gear, 93-fourth gear;

[0035] 100 - caster wheel

[0036] D1 - first direction, D2 - second direction, D3 - third direction. DETAILED DESCRIPTION

[0037] The embodiments described below with reference to the drawings are exemplary and are intended to explain the present application only, and are not intended to be construed as limiting the present application.

[0038] Referring to Figure 1 As shown in the drawings, the present application provides a kind of car door three coordinate measuring device, including bottom plate 10, first drive unit 20, second drive unit 30, support unit 40, third drive unit 50, clamping unit 60, fourth drive unit 70, fifth drive unit 80 and sixth drive unit 90, wherein:

[0039] First support 11, second support 12, third support 13 and fourth support 14 are sequentially arranged from bottom to top along gravity direction on bottom plate 10.

[0040] First drive unit 20 is arranged on bottom plate 10, and first drive unit 20 is used to drive first support 11 to move along first preset path, first preset path is the path of rotation with gravity direction as rotation axis, and first drive unit 20 can drive first support 11 to rotate.

[0041] Second drive unit 30 is arranged on first support 11, and second drive unit 30 is used to drive second support 12 to reciprocate along first direction D1, first direction D1 is horizontal left-right direction in the drawing, and second drive unit 30 can drive second support 12 to move left and right, and then the distance of second support 12 relative to first support 11 in horizontal left-right direction can be adjusted.

[0042] Support unit 40 includes first support part 41 and second support part 42, first support part 41 is arranged on third support 13, and second support part 42 is arranged on fourth support 14, fourth support 14 is arranged on second support 12, and first support part 41 and second support part 42 are used to support the car door to be measured together, when second support 12 moves along first direction D1, fourth support 14 and second support part 42 move along first direction D1 synchronously with the movement of second support 12.

[0043] The third driving unit 50 is arranged on the third support 13, and is configured to drive the first support part 41 to reciprocate along the first direction D1, and further, under the joint action of the third driving unit 50 and the second driving unit 30, to adjust the distance between the first support part 41 and the second support part 42, so that the distance between the first support part 41 and the second support part 42 can be adjusted to a suitable range according to the specification of the vehicle door, so as to provide stable support force to the vehicle door.

[0044] The third support 13 and the fourth support 14 are oppositely arranged along the first direction D1, and each of the third support 13 and the fourth support 14 is provided with a clamping unit 60, and the two clamping units 60 are configured to clamp the vehicle door at the opposite ends along the first direction D1.

[0045] The third support 13 and the fourth support 14 are each provided with a fourth driving unit 70, and the two fourth driving units 70 are correspondingly arranged with the two clamping units 60, and the fourth driving unit 70 is configured to drive the corresponding clamping unit 60 to reciprocate along the second direction D2, the second direction D2 being the horizontal front-back direction in the figure, and according to the position of the vehicle door on the support unit 40, the fourth driving unit 70 adjusts the clamping unit 60 to the two ends of the vehicle door along the horizontal front-back direction, so as to accurately clamp the two ends of the vehicle door.

[0046] The third support 13 and the fourth support 14 are each provided with a fifth driving unit 80, and the two fifth driving units 80 are correspondingly arranged with the two fourth driving units 70, and the fifth driving unit 80 is configured to drive the corresponding fourth driving unit 70 to reciprocate along the third direction D3, the third direction D3 being the direction of gravity, and the fifth driving unit 80 can drive the fourth driving unit 70 to move up and down along the direction of gravity, so as to adjust the position of the clamping unit 60 along the direction of gravity, and further adjust the clamping unit 60 to a position suitable for clamping the vehicle door.

[0047] The sixth driving unit 90 is arranged on the first support 11, and is configured to drive the third support 13 to move along a second preset path, and when the third support 13 moves along the second preset path, the fourth support 14 synchronously moves along the second preset path. The second preset path is a path of turning over with the first direction D1 as the turning axis, and when the third support 13 and the fourth support 14 move along the second preset path, the vehicle door can be turned over along the second preset path.

[0048] In the embodiments provided in the present application, the first driving unit 20 comprises a first cylinder 21, a first gear 22 and a second gear 23, the piston rod end of the first cylinder 21 is connected with the first gear 22, the second gear 23 is connected with the first support 11, and the first gear 22 is engaged with the second gear 23.

[0049] Preferably, the first gear 22 is a straight rack, the second gear 23 is a rotating gear, the first cylinder 21 drives the straight rack to move reciprocatingly along the first direction D1, when the straight rack moves, the rotating gear rotates, and in turn drives the first support 11 to rotate. A connecting block 26 is arranged between the rotating gear and the first support 11, so as to fasten the connection between the rotating gear and the first support 11, thereby improving the stability of the device as a whole.

[0050] Further, the bottom plate 10 is provided with a first guide rail 24, and the straight rack is provided with a first sliding block 25, the first sliding block 25 can be guided and matched with the first guide rail 24, so that the straight rack can move stably along the first direction D1.

[0051] The second driving unit 30 includes a second cylinder 31, the piston rod end of the second cylinder 31 is connected with the second support 12, and the second cylinder 31 includes two, which are arranged on the front and back sides of the first support 11 in the drawing, and the piston rods of the two second cylinders 31 are connected with the second support 12 respectively, so that the second support 12 can move stably along the horizontal left-right direction.

[0052] In order to further improve the stability of the movement of the second support 12, the first support 11 is provided with two second guide rails 32, and the second support 12 is provided with a plurality of second sliding blocks 33, the second sliding blocks 33 can be guided and matched with the second guide rails 32, so that the second support 12 can move more stably.

[0053] The third driving unit 50 includes a first motor 51, a lead screw 52 and a lead screw nut 53, the output end of the first motor 51 is connected with the lead screw 52, the first support part 41 is arranged on the lead screw nut 53, and when the first motor 51 is started, it drives the lead screw 52 to rotate, under the cooperation of the lead screw nut 53 and the lead screw 52, the lead screw nut 53 can be driven to move on the lead screw 52, and in turn drives the first support part 41 to move.

[0054] The third support 13 is further provided with a third guide rail 54, and the lead screw nut 53 is provided with a third sliding block 55, the third sliding block 55 can be guided and matched with the third guide rail 54, so that the lead screw nut 53 can move stably.

[0055] Further, the fourth support 14 includes a first plate body 141 and a second plate body 142, the first plate body 141 is connected with the second support 12, and the first plate body 141 is rotationally connected with the second support 12, the second plate body 142 is arranged on the third support 13, and the second support part 42 is arranged on the second plate body 142.

[0056] The third support 13 is further provided with a fourth guide rail 131, and the second plate body 142 is provided with a fourth sliding block 143 which is guided by the fourth guide rail 131, so that when the second support 12 moves along the first direction D1, the fourth support 14 moves synchronously, and the fourth support 14 can stably move under the guidance of the fourth guide rail 131 and the fourth sliding block 143.

[0057] In an embodiment, the clamping unit 60 comprises a third cylinder 61 and a clamping piece 62, the third cylinder 61 is used to drive the clamping piece 62 to clamp or release the door. When the clamping unit 60 is adjusted to the corresponding position of the door, the third cylinder 61 drives the clamping piece 62 to clamp the door, and after the measurement is completed, the third cylinder 61 drives the clamping piece 62 to release the door, so as to facilitate the removal of the door.

[0058] Further, the fourth driving unit 70 is a fourth cylinder 71, the piston rod end of the fourth cylinder 71 is connected with the clamping unit 60, and the fifth driving unit 80 comprises a fifth cylinder 81, the piston rod end of the fifth cylinder 81 is connected with the fourth driving unit 70.

[0059] When the fourth cylinder 71 is started, the piston rod of the fourth cylinder 71 is extended or retracted to drive the clamping unit 60 to reciprocate along the second direction D2, when the fifth cylinder 81 is started, the piston rod of the fifth cylinder 81 is extended or retracted to drive the fourth cylinder 71 to reciprocate along the third direction D3, so that the clamping unit 60 is synchronously moved along the third direction D3.

[0060] The sixth driving unit 90 comprises a second motor 91, a third gear 92 and a fourth gear 93, the output end of the second motor 91 is connected with the third gear 92, the fourth gear 93 is arranged on the third support 13, and the third gear 92 is engaged with the fourth gear 93.

[0061] In an embodiment, the third gear 92 and the fourth gear 93 are both rotary gears, when the second motor 91 is started, the third gear 92 is driven to rotate, under the action of the third gear 92 and the fourth gear 93, the fourth gear 93 rotates, and then drives the third support 13 and the fourth support 14 to synchronously rotate with the fourth gear 93, so as to realize the overturning of the door.

[0062] The bottom plate 10 is further provided with a plurality of universal wheels 100, so as to move the door three-coordinate measuring device to a suitable position for installing and measuring the door.

[0063] Based on the above embodiment, the working principle of the door three-coordinate measuring device is as follows:

[0064] 1. Based on the size of the car door, activate the second cylinder 31 to drive the second bracket 12 to move along the first direction D1, thereby driving the fourth bracket 14 to move synchronously along the first direction D1, so as to adjust the position of the second support part 42.

[0065] 2. Based on the width of the car door, start the first motor 51 to drive the lead screw 52 to rotate, which in turn moves the lead screw nut 53, thereby adjusting the position of the first support part 41. After the positions of the first support part 41 and the second support part 42 are adjusted, place the bottom of the car door on the first support part 41 and the second support part 42.

[0066] 3. Activate the fourth cylinder 71 and the fifth cylinder 81 on the third bracket 13 to adjust the position of the clamping unit 60 according to the position of the car door. When the clamping unit 60 is in contact with a certain point on the side of the car door, activate the third cylinder 61 to drive the clamping member 62 to clamp the side of the car door. Then, in the same way, activate the third cylinder 61, the fourth cylinder 71 and the fifth cylinder 81 on the fourth bracket 14 to clamp the other side of the car door, thereby fixing the car door on the coordinate measuring device.

[0067] 4. When measuring the three coordinates of the car door, if the car door needs to be rotated at a certain angle, the first cylinder 21 is activated to drive the rack to move along the first direction D1, thereby driving the rotating gear to rotate, which in turn drives the first bracket 11 to rotate around the axis of the rotating gear as the center line, so that the car door rotates accordingly.

[0068] 5. When it is necessary to rotate the car door at a certain angle, the second motor 91 is started to drive the third gear 92 to rotate, which in turn drives the fourth gear 93 to rotate, so that the third bracket 13 and the fourth bracket 14 rotate synchronously around the axis of the fourth gear 93 to achieve the rotation of the car door.

[0069] The above description, based on the embodiments shown in the drawings, details the structure, features, and effects of this utility model. The above description is only a preferred embodiment of this utility model, but the scope of implementation of this utility model is not limited to what is shown in the drawings. Any changes made in accordance with the concept of this utility model, or modifications to equivalent embodiments, that do not exceed the spirit covered by the specification and drawings, shall be within the protection scope of this utility model.

Claims

1. A three coordinate measuring device for a vehicle door, characterized by, include: A base plate, wherein a first bracket, a second bracket, a third bracket, and a fourth bracket are provided on the base plate; A first driving unit is disposed on the base plate and is used to drive the first bracket to move along a first preset path. The second drive unit is disposed on the first bracket and is used to drive the second bracket to reciprocate along the first direction. The support unit includes a first support part and a second support part, the first support part is disposed on the third bracket, the second support part is disposed on the fourth bracket, and the fourth bracket is disposed on the second bracket; The third drive unit is disposed on the third bracket and is used to drive the first support part to reciprocate along the first direction; The clamping unit is provided on both the third bracket and the fourth bracket, and the clamping unit is used to clamp the car door; The fourth driving unit is provided on both the third bracket and the fourth bracket. The fourth driving unit is used to drive the corresponding clamping unit to reciprocate along the second direction. The fifth drive unit is provided on both the third bracket and the fourth bracket. The fifth drive unit is used to drive the corresponding fourth drive unit to reciprocate along a third direction. A sixth driving unit is disposed on the first bracket. The sixth driving unit is used to drive the third bracket to move along the second preset path. When the third bracket moves along the second preset path, the fourth bracket moves synchronously along the second preset path.

2. The vehicle door three-coordinate measuring device according to claim 1, characterized in that The first drive unit includes a first cylinder, a first gear, and a second gear. The piston rod end of the first cylinder is connected to the first gear, and the second gear is connected to the first bracket. The first gear and the second gear mesh with each other.

3. The vehicle door three-coordinate measuring device according to claim 1, characterized in that, The second drive unit includes a second cylinder, and the piston rod end of the second cylinder is connected to the second bracket.

4. The vehicle door three-dimensional measuring apparatus according to claim 1, characterized by The third drive unit includes a first motor, a lead screw, and a lead screw nut. The output end of the first motor is connected to the lead screw, and the first support is disposed on the lead screw nut.

5. The vehicle door three-dimensional measuring apparatus according to claim 1, characterized by The fourth support includes a first plate and a second plate. The first plate is connected to the second support, the second plate is disposed on the third support, and the second support portion is disposed on the second plate.

6. The vehicle door three-dimensional measuring apparatus according to claim 1, characterized by The clamping unit includes a third cylinder and a clamping member. The third cylinder is used to drive the clamping member to clamp or release the vehicle door.

7. The vehicle door three-dimensional measuring apparatus according to claim 1, characterized by The fourth drive unit includes a fourth cylinder, and the piston rod end of the fourth cylinder is connected to the clamping unit.

8. The vehicle door three-dimensional measuring apparatus according to claim 1, characterized by The fifth drive unit includes a fifth cylinder, and the piston rod end of the fifth cylinder is connected to the fourth drive unit.

9. The vehicle door three-dimensional measuring apparatus according to claim 1, characterized by The sixth drive unit includes a second motor, a third gear, and a fourth gear. The output end of the second motor is connected to the third gear, and the fourth gear is mounted on the third bracket. The third gear meshes with the fourth gear.

10. The vehicle door three-dimensional measuring apparatus according to claim 1, characterized by The base plate is also equipped with multiple casters.

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