CN116833727A - Production line accompanying system and front and rear auxiliary frame connecting bolt torque re-tightening system - Google Patents
Production line accompanying system and front and rear auxiliary frame connecting bolt torque re-tightening system Download PDFInfo
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- CN116833727A CN116833727A CN202310778744.5A CN202310778744A CN116833727A CN 116833727 A CN116833727 A CN 116833727A CN 202310778744 A CN202310778744 A CN 202310778744A CN 116833727 A CN116833727 A CN 116833727A
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- sliding tray
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 59
- 238000007667 floating Methods 0.000 claims abstract description 92
- 230000007246 mechanism Effects 0.000 claims description 60
- 238000005096 rolling process Methods 0.000 claims description 15
- 238000003754 machining Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction 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
- B23P19/04—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 for assembling or disassembling parts
- B23P19/06—Screw or nut setting or loosening machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D65/00—Designing, manufacturing, e.g. assembling, facilitating disassembly, or structurally modifying motor vehicles or trailers, not otherwise provided for
- B62D65/02—Joining sub-units or components to, or positioning sub-units or components with respect to, body shell or other sub-units or components
-
- 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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
Abstract
The invention relates to a production line following system and a front and rear auxiliary frame connecting bolt torque re-tightening system, wherein the production line following system comprises: the pallet system comprises a first track, a pallet body and a first driving piece, wherein the pallet body is arranged above the first track, and the first driving piece is connected with the pallet body and is used for driving the pallet body to move along the first track; the sliding tray system comprises a sliding tray body, wherein the sliding tray body is arranged above the pallet body and can move relative to the pallet body; the floating processing system comprises a floating tray body, wherein the floating tray body is arranged above the sliding tray body, and the floating tray body can move in the horizontal direction relative to the sliding tray body. The invention can adjust the processing position of the floating processing system according to the wheelbase of the vehicle body along with the vehicle, thereby realizing the accurate positioning of the re-tightening station.
Description
Technical Field
The invention relates to the technical field of automobile production and assembly, in particular to a production line following system and a front and rear auxiliary frame connecting bolt torque re-tightening system.
Background
The front auxiliary frame and the rear auxiliary frame are one of main parts on the whole vehicle, and the split charging assembly of the front auxiliary frame and the rear auxiliary frame has large volume, heavy weight and more connection points with the vehicle body and has higher requirements for installation. The auxiliary frame is connected with the vehicle body by bolts, and mainly utilizes the self-locking characteristic of a screw pair formed by screwing internal and external threads to form a connection relationship, so that a certain pretightening force is often given to the connecting bolts in order to ensure the rigidity and the anti-loosening function of the threaded connection and the fatigue strength of the tension bolts.
In the traditional assembly process, the connecting bolt torque re-tightening of the front and rear auxiliary frames is usually carried out by a lifting AGV (Automated Guided Vehicle, AGV for short, namely an automatic guided vehicle) trolley for carrying out follow-up auxiliary pre-tightening, and then manual control of bolt re-tightening equipment is carried out to realize bolt torque re-tightening. The traditional processing mode of tightening the connecting bolts of the front auxiliary frame and the rear auxiliary frame needs to be provided with a large number of workers, so that more manual labor is consumed; in addition, after the traditional bolt torque re-tightening device moves along with the lower part of the automobile production line in place, the bolt torque re-tightening device often has position errors with bolts on the automobile body, the positions of the bolt torque re-tightening device need to be manually further adjusted, the bolts need to be manually re-tightened, and the problem of missing of the bolts during manual re-tightening is easy to occur. Therefore, in view of the above circumstances, there is a need for a follower assembly system capable of precisely adjusting the machining position to tighten the front and rear subframe connection bolts.
Disclosure of Invention
The invention aims to provide a production line following system to solve the problem that the torque re-tightening equipment is easy to miss the printing when being manually controlled; the second purpose of the invention is to provide a torque re-tightening system for the connecting bolts of the front auxiliary frame and the rear auxiliary frame.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
a production line follower system comprising:
the pallet system comprises a first track, a pallet body and a first driving piece, wherein the pallet body is arranged above the first track, and the first driving piece is connected with the pallet body and is used for driving the pallet body to move along the first track;
the sliding tray system comprises a sliding tray body, wherein the sliding tray body is arranged above the following tray body, and the sliding tray body can move relative to the following tray body;
the floating processing system comprises a floating tray body, wherein the floating tray body is arranged above the sliding tray body, and the floating tray body can move in the horizontal direction relative to the sliding tray body.
Further, the pallet system further comprises a second rail mounted above the pallet body, and the sliding pallet body is movably mounted on the second rail.
Further, the pallet system further comprises a second driving member, the second driving member is mounted on the pallet body, the second driving member is connected with the sliding pallet body, and the second driving member is used for driving the sliding pallet body to move on the second track.
Further, a rolling device is arranged above the sliding tray body and used for supporting the floating tray body, and the floating tray body can move in the horizontal direction relative to the sliding tray body under the support of the rolling device.
Further, the rolling device comprises a plurality of rollers, and each roller is distributed above the sliding tray body.
Further, a plurality of limiting mechanisms are distributed around the floating tray body, each limiting mechanism is installed above the sliding tray body, and each limiting mechanism is used for limiting the floating tray body.
The utility model provides a front and back sub vehicle frame connecting bolt moment of torsion system of screwing up, includes the automobile production line, the automobile production line is used for driving the automobile body and removes along the automobile production line, still includes foretell production line retinue system, production line retinue system sets up the automobile production line below.
Further, the floating pallet further comprises bolt tightening equipment, wherein the bolt tightening equipment is arranged above the floating pallet body and is used for tightening bolts on the vehicle body.
Further, the floating pallet further comprises a vehicle body clamp and a clamping mechanism, wherein the clamping mechanism is arranged above the floating pallet body; the car body holding tool is suspended below the car production line and is used for fixing the car body; the clamping mechanism is matched with the vehicle body holding tool and used for clamping the vehicle body holding tool.
Further, the lifting mechanism is arranged above the floating tray body and is used for supporting the vehicle body.
The invention has the beneficial effects that:
(1) The invention is provided with the following tray system, and the first track of the following tray system can be laid under the automobile production line, so that the following tray body in the following tray system can move along the automobile production line on the first track. The floating processing system and the sliding tray system are sequentially arranged from top to bottom, the sliding tray system comprises a sliding tray body, the floating processing system comprises a floating tray body, the sliding tray body and the floating tray body can synchronously follow an automobile production line, bolt tightening equipment is arranged on the floating tray body during use, when front and rear auxiliary frame connecting bolt torque tightening is carried out, the bolt tightening equipment arranged on the floating tray body can follow the automobile production line, front and rear auxiliary frame connecting bolts are tightened, the whole automobile assembly period is shortened, and the working efficiency is improved; (2) According to the invention, the sliding tray body is slidably arranged on the following tray body and can move back and forth relative to the following tray body, so that the floating processing system on the sliding tray body is driven to move back and forth relative to the automobile production line, and when the front and back auxiliary frame connecting bolt torque is used for carrying out the back and forth fastening, the bolt fastening equipment arranged on the floating tray body can move back and forth to adapt to the automobile bodies with various wheelbases on the automobile production line, so that the accurate positioning of the front and back auxiliary frame bolt fastening stations is realized;
(3) The floating processing system is arranged on the sliding tray body in a floating mode, so that position errors between the floating tray body and the horizontal direction of the car body during processing can be eliminated, and meanwhile, the position of the floating processing system can be finely adjusted, and bolt tightening equipment is aligned with corresponding assembly positions of the car body to be processed on an automobile production line.
Drawings
FIG. 1 is an exploded view of the overall structure of the present invention;
FIG. 2 is a schematic view of a pallet mechanism according to the present invention;
FIG. 3 is a schematic diagram of the installation structure of the sliding tray system and the pallet system according to the present invention;
FIG. 4 is an isometric view of the sliding tray system construction of the present invention;
FIG. 5 is a bottom view of the sliding tray system of the present invention;
FIG. 6 is a schematic diagram of the overall structure installation of the present invention;
FIG. 7 is a schematic view of a floating processing system according to the present invention;
FIG. 8 is a schematic view of a bolt tightening apparatus of the present invention;
FIG. 9 is a schematic view of a clamping mechanism according to the present invention;
FIG. 10 is a schematic view of a jack-up mechanism according to the present invention;
FIG. 11 is a schematic view of the present invention in use.
The system comprises a 1-pallet system, a 11-first track, a 12-pallet body, a 13-first driving piece, a 14-second track, a 15-second driving piece, a 16-limiting block and a 17-limiting sensor, wherein the first track is provided with a first driving piece and a second driving piece;
2-sliding tray system, 21-sliding tray body, 22-rolling device, 23-limit
A positioning mechanism, 24-second slider;
3-floating processing system, 31-floating tray body;
41-automobile production line, 42-automobile body and 43-automobile body holding tool;
the device comprises a 5-bolt tightening device, a 51-first moving mechanism, a 52-second moving mechanism, a 53-third moving mechanism, a 54-bolt tightening tool, a 55-visual camera, a 56-upper computer and a 57-inductive switch;
6-clamping mechanisms, 61-first bases, 62-first sliding rails, 63-lifting cylinders, 64-clamping cylinders, 65-first clamps and 66-second clamps;
7-jacking mechanism, 71-crossbeam, 72-second slide rail, 73-jacking cylinder, 74-jacking bracket.
Detailed Description
Further advantages and effects of the present invention will become readily apparent to those skilled in the art from the disclosure herein, by referring to the accompanying drawings and the preferred embodiments. The invention may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present invention. It should be understood that the preferred embodiments are presented by way of illustration only and not by way of limitation.
It should be noted that the illustrations provided in the following embodiments merely illustrate the basic concept of the present invention by way of illustration, and only the components related to the present invention are shown in the drawings and are not drawn according to the number, shape and size of the components in actual implementation, and the form, number and proportion of the components in actual implementation may be arbitrarily changed, and the layout of the components may be more complicated.
As shown in fig. 1, this embodiment proposes a production line follower system, including: the pallet system 1, the pallet system 1 includes a first rail 11, a pallet body 12 and a first driving member 13, the pallet body 12 is installed above the first rail 11, and the first driving member 13 is connected with the pallet body 12 for driving the pallet body 12 to move along the first rail 11; a sliding tray system 2, the sliding tray system 2 including a sliding tray body 21, the sliding tray body 21 being mounted above the pallet body 12, the sliding tray body 21 being movable relative to the pallet body 12; floating processing system 3, floating processing system 3 includes floating tray body 31, floating tray body 31 is installed in the slip tray body 21 top, and floating tray body 31 can be moved in the horizontal direction relative to slip tray body 21.
As shown in fig. 2, in this embodiment, the pallet system 1 further includes a first slider (not shown) adapted to the first rail 11, and the first slider is fixed to the underside of the pallet body 12, so that the pallet body 12 is connected to the first rail 11 through the first slider and slides on the first rail 11. In this embodiment, the first driving member 13 is a motor, and the motor drives the pallet body 12 to run synchronously with the production line on the first track 11, so that the floating processing system 3 on the pallet body 12 processes the workpiece to be processed on the production line.
Before the production line following system moves, the moving speed of the following tray body 12 is controlled according to the whole information of the to-be-machined parts on the production line, so that the following tray body 12 can synchronously follow the to-be-machined parts on the production line. During the follow-up processing, the movement position of the sliding tray body 21 on the follow-up tray body 12 can be adjusted according to the size of the workpiece, so that the sliding tray body 21 moves back and forth relative to the workpiece to be processed on the production line while following the production line. The floating machining system 3 is used for placing a machining tool, and by floating on the sliding tray body 21, the position of the machining tool is further finely tuned so that it can be aligned with the station of the workpiece to be machined.
In this embodiment, the first rail 11 of the pallet system 1 may be laid under the car line 41 in use, so that the pallet body 12 in the pallet system 1 can move on the first rail 11 following the car line 41. The following tray system 1 is provided with the floating processing system 3 and the sliding tray system 2 from top to bottom in sequence, the sliding tray system 2 comprises a sliding tray body 21, the floating processing system 3 comprises a floating tray body 31, and then the sliding tray body 21 and the floating tray body 31 can follow up with the automobile production line 41 synchronously, so (as shown in fig. 6) when the front and rear auxiliary frame connecting bolt torque is used for re-tightening, the bolt re-tightening equipment 5 arranged on the floating tray body 31 can follow up with the automobile production line 41 and re-tightening the front and rear auxiliary frame connecting bolts, the whole automobile assembly period is shortened, and the working efficiency is improved.
In this embodiment, the sliding tray body 21 is slidably mounted on the pallet body 12, and can move back and forth relative to the pallet body 12, so as to drive the floating processing system 3 on the sliding tray body 21 to move back and forth relative to the automobile production line 41, so that when the front and back sub-frame connecting bolt torque is recovered, as shown in fig. 6, the bolt recovering device 5 mounted on the floating tray body 31 can be used for accurately positioning the front and back sub-frame recovering station by moving back and forth to adapt to the automobile bodies 42 with various wheelbases on the automobile production line 41.
In this embodiment, the floating processing system 3 is mounted on the sliding tray body 21 in a floating manner, so that a position error between the floating tray body 31 and the vehicle body 42 in a horizontal direction during processing can be eliminated, and meanwhile, the position of the floating processing system 3 can be finely adjusted, so that the bolt tightening device 5 is aligned with a corresponding assembly position of the vehicle body 42 to be processed on the automobile production line 41.
As shown in fig. 2 and 3, the pallet system 1 further includes a second rail 14, the second rail 14 being mounted above the pallet body 12, and a sliding pallet body 21 being movably mounted on the second rail 14. Further, as shown in fig. 5, the pallet system 1 further includes a plurality of second sliders 24, where the plurality of second sliders 24 are uniformly distributed on the lower side of the sliding pallet body 21 along the extending direction of the second rail 14, and the second sliders 24 and the second rail 14 can be mutually matched, so that the sliding pallet body 21 is slidably mounted on the second rail 14.
As shown in fig. 3, the pallet system 1 further includes a second driving member 15, where the second driving member 15 is mounted on the pallet body 12, and the second driving member 15 is connected to the sliding pallet body 21, and the second driving member 15 is used to drive the sliding pallet body 21 to move on the second rail 14. In this embodiment, the second driving member 15 is a cylinder, and the cylinder is fixed on the pallet body 12 and connected with the sliding pallet body 21, and the cylinder can push the sliding pallet body 21 to move back and forth on the pallet body 12, so as to meet the torque re-tightening requirements of the front and rear sub-frame connecting bolts of different vehicle types. It will be appreciated that the second drive member 15 may also be provided by other power means, such as an electric motor or the like.
Further, in order to ensure safe operation of the pallet system 1, as shown in fig. 2, in this embodiment, the pallet system 1 is further provided with a limiting block 16 and a limiting sensor 17, where the limiting block 16 is disposed at the front end and the rear end of the first track 11, and is used to limit the movement path of the pallet body 12 on the first track 11, so as to avoid the pallet body 12 from rushing out of the first track 11; limit sensors 17 are provided on both sides of the first rail 11 for sensing the movement position of the pallet body 12 and prompting that the pallet body 12 has reached a designated position or limit position.
As shown in fig. 3 and 4, a rolling device 22 is provided above the sliding tray body 21, the rolling device 22 is used for supporting a floating tray body 31, and the floating tray body 31 can move in a horizontal direction relative to the sliding tray body 21 under the support of the rolling device 22. In this embodiment, the rolling device 22 is arranged to compensate for the dislocation of the mounting surface caused by the machining error of the workpiece, so as to improve the efficiency and success rate of the re-tightening operation. It is understood that the rolling device 22 may be mounted on the lower surface of the floating tray body 31, not limited to being mounted on the sliding tray body 21, and may also be configured to slide relative to the floating tray body 31 and the sliding tray body 21.
As shown in fig. 3 and 4, the rolling device 22 includes a plurality of rollers, a plurality of mounting holes are distributed on the upper surface of the sliding tray body 21, each roller is distributed on the sliding tray body 21 and is mounted in the mounting hole, in this embodiment, the rollers are universal rollers, so that the floating tray body 31 can move in any direction of a horizontal plane relative to the sliding tray body 21, when the front and rear subframe connecting bolt torque is recovered, the second driving member 15 pushes the sliding tray body 21, the floating tray body 31 rolls on the universal rollers to enable the bolt recovering device 5 to move relative to the sliding tray body 21, dislocation is eliminated, and meanwhile, the friction resistance of the floating tray body 31 during movement is greatly reduced due to the arrangement of the universal rollers, so that the position of the floating tray body 31 can be adjusted during the recovering of the connecting bolt torque.
Further, in order to prevent the floating tray body 31 from being separated from the sliding tray body 21 due to vibration, as shown in fig. 3 and 4, a plurality of limiting mechanisms 23 are distributed around the floating tray body 31, each limiting mechanism 23 is installed above the sliding tray body 21, and each limiting mechanism 23 is used for limiting the floating tray body 31. In this embodiment, the limiting mechanism 23 adopts a limiting plate, and the limiting plate is disposed around the floating tray body 31, so as to limit the rolling range of the floating tray body 31 relative to the sliding tray body 21, and further limit the moving range of the bolt tightening device 5 relative to the sliding tray body 21, so that the bolt tightening device 5 floats within a certain range.
Example two
As shown in fig. 6, the present embodiment provides a front-rear sub-frame connecting bolt torque tightening system, which includes an automobile production line 41, wherein the automobile production line 41 is used for driving a vehicle body 42 to move along the automobile production line 41, and further includes a production line follower system of the first embodiment, and the production line follower system is disposed below the automobile production line 41.
As shown in fig. 11, before the torque of the front and rear sub-frame connecting bolts is re-tightened, the moving speed of the pallet body 12 is controlled according to the whole vehicle information to be re-tightened on the vehicle production line 41, so that the pallet body 12 can follow the whole vehicle on the vehicle production line 41 synchronously. When the front and rear auxiliary frame connecting bolts are torqued and re-tightened, the moving position of the sliding tray body 21 on the following tray body 12 is adjusted according to the wheelbase of the vehicle, the floating processing system 3 is used for placing the bolt re-tightening equipment 5, and the position of the bolt re-tightening equipment 5 is further finely adjusted by floating on the sliding tray body 21 so as to be aligned with a station to be re-tightened of the vehicle body 42.
As shown in fig. 7, the front and rear sub-frame connecting bolt torque tightening system further includes a bolt tightening device 5, the bolt tightening device 5 being installed above the floating tray body 31 for bolt tightening of the vehicle body 42. As shown in fig. 8, the bolt tightening device 5 includes a first moving mechanism 51, a second moving mechanism 52, a third moving mechanism 53, and a bolt tightening tool 54, the bolt tightening tool 54 is slidably connected to the first moving mechanism 51, and the first moving mechanism 51 can drive the bolt tightening tool 54 to move along a first direction; the first moving mechanism 51 is slidably connected with the second moving mechanism 52, and the second moving mechanism 52 can drive the first moving mechanism 51 to move along the second direction, so that the bolt tightening tool 54 can also move along the second direction; the third moving mechanism 53 is installed above the floating tray body 31, and is slidably connected with the third moving mechanism 53 in the second moving mechanism 52, and the third moving mechanism 53 can drive the second moving mechanism 52 to move along a third direction, so that the bolt tightening tool 54 can also move along the third direction; the first direction, the second direction and the third direction are perpendicular to each other, so that the bolt tightening tool 54 can move in three directions, and further accurately position the machining position, so that the torque tightening of the front and rear auxiliary frame connecting bolts of the vehicle body 42 is realized.
In this embodiment, the bolt tightening device 5 further includes a vision camera 55 and an upper computer 56, the vision camera 55 is in communication connection with the upper computer 56, the vision camera 55 is installed on the bolt tightening tool 54 and is used for collecting and uploading the characteristics of the vehicle body 42 to the upper computer 56, so that a worker can adjust the processing position of the bolt tightening tool 54 according to the characteristic information of the vehicle body 42, and accurate bolt tightening is realized.
Further, in order to prevent the movement of the bolt tightening tool 54 beyond the range of each moving mechanism, as shown in fig. 8, position sensing switches 57 are mounted on the first moving mechanism 51, the second moving mechanism 52, and the third moving mechanism 53, respectively, and when the bolt tightening tool 54 moves close to the position sensing switches 57, an alarm or a sudden stop of the bolt tightening tool 54 can be generated.
As shown in fig. 6 and 7, the front and rear subframe connecting bolt torque tightening system further includes a vehicle body holding tool 43 and a clamping mechanism 6, the clamping mechanism 6 being mounted above the floating tray body 31; the car body holding tool 43 is suspended below the car production line 41, and the car body holding tool 43 is used for fixing the car body 42; the clamping mechanism 6 is matched with the body clamp 43, and the clamping mechanism 6 is used for clamping the body clamp 43 to fix the body 42. As shown in fig. 9, the clamping mechanism 6 includes a first base 61, a first slide rail 62, a lifting cylinder 63, a clamping cylinder 64, a first clamp 65, and a second clamp 66, the clamping mechanism 6 is mounted on the floating tray body 31 through the first base 61, and the first slide rail 62 is mounted on the side of the first base 61 in the height direction of the first base 61. The second clamp 66 is mounted on the first slide rail 62 and connected to the lifting cylinder 63, and the lifting cylinder 63 can drive the second clamp 66 to move up and down along the height direction of the first base 61. The first clamp 65 and the second clamp 66 are connected, so that the first clamp 65 and the second clamp 66 can be moved up and down synchronously, the first clamp 65 is connected with the clamping cylinder 64, and the first clamp 65 can be driven by the clamping cylinder 64 to be close to the second clamp 66 or to be far from the second clamp 66. In the following process of the floating tray body 31, after the lifting cylinder 63 drives the first clamp 65 and the second clamp 66 to rise to the position of the vehicle body holding tool 43, the clamping cylinder 64 drives the first clamp 65 to be close to the second clamp 66 and clamps the vehicle body holding tool 43 so as to limit the relative position between the floating tray body 31 and the vehicle body holding tool 43. In this embodiment, the number of the clamping mechanisms 6 is two, and the two clamping mechanisms 6 are respectively mounted on two sides above the floating tray body 31, so that the clamping between the floating tray body 31 and the vehicle body holding tool 43 is more stable.
As shown in fig. 7, the front and rear subframe connection bolt torque re-tightening system further includes a jacking mechanism 7, the jacking mechanism 7 being mounted above the floating tray body 31, the jacking mechanism 7 being for supporting the vehicle body 42. As shown in fig. 10, the lifting mechanism 7 includes a cross beam 71, a second slide rail 72, a lifting cylinder 73 and a lifting bracket 74, the lifting bracket 74 is installed above the floating tray body 31, and the second slide rail 72 is installed at one side of the lifting bracket 74 along the height direction of the lifting bracket 74; the cross beam 71 is mounted on the second slide rail 72 and connected with a jacking cylinder 73, and the jacking cylinder 73 can drive the cross beam 71 to move up and down along the second slide rail 72. In the following process of the floating tray body 31, the jacking cylinder 73 drives the cross beam 71 to ascend to the bottom of the vehicle body 42 and to be tightly pressed with the bottom of the vehicle body 42, so that the floating tray body 31 and the vehicle body 42 are kept relatively static, and the stability of the floating tray body 31 is improved.
The above embodiments are merely preferred embodiments for fully explaining the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutions and modifications will occur to those skilled in the art based on the present invention, and are intended to be within the scope of the present invention.
Claims (10)
1. A production line follower system, comprising:
a pallet system (1), wherein the pallet system (1) comprises a first track (11), a pallet body (12) and a first driving piece (13), the pallet body (12) is arranged above the first track (11), and the first driving piece (13) is connected with the pallet body (12) and is used for driving the pallet body (12) to move along the first track (11);
-a sliding tray system (2), the sliding tray system (2) comprising a sliding tray body (21), the sliding tray body (21) being mounted above the pallet body (12), the sliding tray body (21) being movable relative to the pallet body (12);
the floating machining system (3), the floating machining system (3) comprises a floating tray body (31), the floating tray body (31) is installed above the sliding tray body (21), and the floating tray body (31) can move in the horizontal direction relative to the sliding tray body (21).
2. A production line pallet system according to claim 1, characterized in that the pallet system (1) further comprises a second track (14), the second track (14) being mounted above the pallet body (12), the sliding pallet body (21) being movably mounted on the second track (14).
3. A production line pallet system according to claim 2, characterized in that the pallet system (1) further comprises a second driving member (15), the second driving member (15) being mounted on the pallet body (12), and the second driving member (15) being connected to the pallet body (21), the second driving member (15) being adapted to drive the pallet body (21) to move on the second track (14).
4. A production line follower system according to claim 1, wherein a rolling device (22) is arranged above the sliding tray body (21), the rolling device (22) is used for supporting the floating tray body (31), and the floating tray body (31) can move in a horizontal direction relative to the sliding tray body (21) under the support of the rolling device (22).
5. A production line follower system as claimed in claim 4, wherein the rolling means (22) comprise a plurality of rollers, each of said rollers being distributed over the sliding tray body (21).
6. A production line following system according to claim 1, wherein a plurality of limiting mechanisms (23) are distributed around the floating tray body (31), each limiting mechanism (23) is installed above the sliding tray body (21), and each limiting mechanism (23) is used for limiting the floating tray body (31).
7. The front and rear auxiliary frame connecting bolt torque re-tightening system comprises an automobile production line (41), wherein the automobile production line (41) is used for driving a vehicle body (42) to move along the automobile production line (41), and the front and rear auxiliary frame connecting bolt torque re-tightening system is characterized by further comprising the production line following system according to any one of claims 1-6, and the production line following system is arranged below the automobile production line (41).
8. The front and rear subframe connection bolt torque tightening system according to claim 7, further comprising a bolt tightening device (5), said bolt tightening device (5) being mounted above said floating tray body (31) for bolt tightening said vehicle body (42).
9. The front and rear subframe connection bolt torque re-tightening system according to claim 7, further comprising a body clamp (43) and a clamping mechanism (6), said clamping mechanism (6) being mounted above said floating tray body (31); the vehicle body clamp (43) is suspended below the automobile production line (41), and the vehicle body clamp (43) is used for fixing the vehicle body (42); the clamping mechanism (6) is matched with the vehicle body clamp (43), and the clamping mechanism (6) is used for clamping the vehicle body clamp (43).
10. The front and rear subframe connection bolt torque re-tightening system according to claim 7, further comprising a jacking mechanism (7), said jacking mechanism (7) being mounted above said floating tray body (31), said jacking mechanism (7) being for supporting said vehicle body (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310778744.5A CN116833727A (en) | 2023-06-28 | 2023-06-28 | Production line accompanying system and front and rear auxiliary frame connecting bolt torque re-tightening system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310778744.5A CN116833727A (en) | 2023-06-28 | 2023-06-28 | Production line accompanying system and front and rear auxiliary frame connecting bolt torque re-tightening system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116833727A true CN116833727A (en) | 2023-10-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310778744.5A Pending CN116833727A (en) | 2023-06-28 | 2023-06-28 | Production line accompanying system and front and rear auxiliary frame connecting bolt torque re-tightening system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117508421A (en) * | 2024-01-03 | 2024-02-06 | 菲特（天津）检测技术有限公司 | Follow-up positioning mechanism and vehicle assembly production line |
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2023
- 2023-06-28 CN CN202310778744.5A patent/CN116833727A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117508421A (en) * | 2024-01-03 | 2024-02-06 | 菲特（天津）检测技术有限公司 | Follow-up positioning mechanism and vehicle assembly production line |
| CN117508421B (en) * | 2024-01-03 | 2024-03-08 | 菲特（天津）检测技术有限公司 | Follow-up positioning mechanism and vehicle assembly production line |
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