CN213231378U - Eccentric lifting roller bed for welding white car body - Google Patents
Eccentric lifting roller bed for welding white car body Download PDFInfo
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- CN213231378U CN213231378U CN202021592793.8U CN202021592793U CN213231378U CN 213231378 U CN213231378 U CN 213231378U CN 202021592793 U CN202021592793 U CN 202021592793U CN 213231378 U CN213231378 U CN 213231378U
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- lifting
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Abstract
The utility model discloses an eccentric lifting roller bed for welding a body-in-white, which comprises a supporting component, an eccentric lifting component, a roller bed component and a detection component; the supporting assembly is used for supporting the eccentric lifting assembly, the roller bed assembly and the detection assembly, the eccentric lifting assembly comprises an eccentric driving device, a synchronous belt wheel set, a rotating main shaft, an eccentric block and a lifting roller wheel, the eccentric driving device drives the rotating main shaft to rotate through the synchronous belt wheel set, a through hole for mounting the rotating main shaft and the lifting roller wheel is formed in the eccentric block, the roller bed assembly falls on the lifting roller wheel, the lifting roller wheel rotates around the rotating main shaft along with the eccentric block in the process that the eccentric block rotates along with the rotating main shaft to achieve lifting movement of the roller bed assembly, and the roller bed assembly comprises a table top and a horizontal transmission mechanism arranged on the table top; the detection assembly is arranged on the table top of the roller bed assembly and used for detecting in-place signals of the horizontal direction of the product. The utility model discloses the lift stroke is less, and the transmission precision is high.
Description
Technical Field
The utility model relates to an automobile manufacturing equipment field, concretely relates to an eccentric formula lift roller bed that is used for white automobile body to weld dress.
Background
The automobile body-in-white refers to an automobile sheet metal part, namely an automobile shell, which is welded, is not painted yet, and is named because the steel automobile body is generally silvery white. In a welding workshop of automobile manufacturing, a lifting roller bed mainly realizes high-speed conveying or position conversion between vehicle parts, drives the vehicle parts to descend and position after the vehicle parts are in place, and drives the vehicle parts to ascend and convey the vehicle parts to a next station after station operation (loading, welding and the like) is completed.
In the prior art, the lifting roller bed is a belt swing arm type or a pull rod swing arm type, and because the swing arm is stressed too much, the lifting roller bed is generally restricted by lifting strokes and generally more than 600mm, and is not suitable for lifting roller beds of the prior art with a plurality of stations with smaller lifting strokes.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to provide an eccentric formula lift roller bed of automobile body welding dress realizes carrying at the high speed of work piece between the vehicle parts station and position conversion, and the lift stroke is less, and transmission precision is high.
In order to solve the technical problem, the utility model provides an eccentric lifting roller bed for welding a body-in-white, which comprises a supporting component, an eccentric lifting component, a roller bed component and a detection component; the supporting assembly is used for supporting the eccentric lifting assembly, the roller bed assembly and the detection assembly, the eccentric lifting assembly comprises an eccentric driving device, a synchronous belt wheel set, a rotating main shaft, an eccentric block and a lifting roller wheel, the eccentric driving device drives the rotating main shaft to rotate through the synchronous belt wheel set, a through hole for mounting the rotating main shaft and the lifting roller wheel is formed in the eccentric block, the roller bed assembly falls on the lifting roller wheel, the lifting roller wheel rotates around the rotating main shaft along with the eccentric block in the process that the eccentric block rotates along with the rotating main shaft to achieve lifting movement of the roller bed assembly, and the roller bed assembly comprises a table board and a horizontal transmission mechanism arranged on the table board; the detection assembly is arranged on the table top of the roller bed assembly and used for detecting in-place signals of products in the horizontal direction.
The utility model discloses a preferred embodiment, further include eccentric lifting unit includes two sets of rotation main shafts, and is two sets of the rotation main shaft is followed the direction distribution that roller bed subassembly transmitted sets up in the below both sides of roller bed subassembly, every all be provided with two eccentric blocks on the rotation main shaft, two eccentric blocks set up respectively at the both ends of rotating the main shaft, and two sets of four eccentric blocks that rotate the main shaft rotate in step, control the lift removal of roller bed subassembly jointly.
The utility model discloses a preferred embodiment, further include synchronous pulley group includes that the action wheel of being connected with eccentric drive device overlaps with the cover and establishes two on two rotation main shafts from the driving wheel, the action wheel passes through the hold-in range and drives two from the synchronous rotations of driving wheel.
In a preferred embodiment of the present invention, the synchronous belt further comprises a tension wheel disposed below the synchronous belt, and the tension wheel is fixedly disposed on the tension wheel support.
The utility model discloses a preferred embodiment, further include still be provided with bolt support and bolt on the eccentric lifting unit, eccentric lifting unit pushes the roller bed subassembly and rises or reduces the back, can insert the bolt in the roller bed subassembly.
The utility model discloses a preferred embodiment, further include horizontal transmission mechanism includes horizontal transmission motor, synchronous conveyor belt, supporting roller and locating pin, horizontal transmission motor passes through synchronous conveyor belt and drives a plurality of supporting roller synchronous rotations, sled has been placed on the supporting roller, the locating pin is used for restricting sled place the position.
In a preferred embodiment of the present invention, the table further comprises a buffer, wherein the buffer is arranged on the table top and is reversely suspended along the conveying direction of the horizontal conveying mechanism.
In a preferred embodiment of the present invention, the table further comprises guide wheels protruding from the table top, the guide wheels limiting the position of the sled moving on the table top.
In a preferred embodiment of the present invention, the support assembly further comprises a support frame for supporting the eccentric drive and the roller bed assembly.
The utility model discloses a preferred embodiment, further include the detection component still includes the lift sensor that targets in place, the lift sensor that targets in place sets up on the rotation main shaft.
The utility model has the advantages that:
the utility model discloses an eccentric block on the eccentric lifting unit promotes the lift of roller bed subassembly, the eccentric block has rotated the main shaft and has rotated for the center pin rotation, drive the lift running roller on the eccentric block and reciprocate around rotating the main shaft, thereby drive the roller bed subassembly height position that falls on the lift running roller and remove, compare in the lift roller bed of prior art, can control the lift stroke of roller bed subassembly through the size of control eccentric block, the lift stroke is less, can more satisfy the high beat requirement in welding workshop, and because adopt the mechanical lift control, the position after every time goes up and down is more accurate;
the mechanical eccentric block and the servo control lifting motion are adopted, so that the reliability of the equipment is improved;
compared with the lifting roller bed in the prior art, the eccentric lifting component of the lifting roller bed of the utility model is easier to design standardization and serialization;
the utility model discloses a load is higher than prior art's lift roller bed, under the high requirement background of performance, the optimization that can reach the cost is gone up and down in little stroke.
Drawings
FIG. 1 is a schematic view of the overall structure of an eccentric lifting roller bed for welding a body-in-white according to the present invention;
fig. 2 is a schematic structural view of the eccentric lifting assembly of the present invention;
fig. 3 is a schematic structural diagram of the roller bed assembly of the present invention.
The reference numbers in the figures illustrate: 1. a support assembly; 2. an eccentric lifting assembly; 21. an eccentric drive device; 22. a synchronous pulley group; 23. lifting rollers; 24. rotating the main shaft; 25. an eccentric block; 26. a synchronous belt; 27. a tension wheel; 28. a latch bracket; 29. a bolt; 3. a roller bed assembly; 31. a table top; 32. a horizontal transfer motor; 33. a synchronous conveyor belt; 34. supporting rollers; 35. positioning pins; 4. a guide wheel; 5. a buffer.
Detailed Description
The present invention is further described with reference to the following drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.
Referring to fig. 1-2, an embodiment of an eccentric lifting roller bed welded on a body-in-white according to the present invention includes a supporting assembly 1, an eccentric lifting assembly 2, a roller bed assembly 3 and a detecting assembly; the supporting assembly 1 is used for supporting the eccentric lifting assembly 2, the roller bed assembly 3 and the detection assembly, the eccentric lifting assembly 2 comprises an eccentric driving device 21, a synchronous belt wheel set 22, a rotating main shaft 24, an eccentric block 25 and a lifting roller wheel 23, the eccentric driving device 21 drives the rotating main shaft 24 to rotate through the synchronous belt wheel set 22, a through hole for mounting the rotating main shaft 24 and the lifting roller wheel 23 is formed in the eccentric block 25, the roller bed assembly 3 falls on the lifting roller wheel 23, in the process that the eccentric block 25 rotates along with the rotating main shaft 24, the lifting roller wheel 23 rotates along with the eccentric block 25 around the rotating main shaft 24 to achieve lifting movement of the roller bed assembly, when the lifting roller wheel 23 rotates above the rotating main shaft 24, the lifting roller wheel 23 jacks up the roller bed assembly 3, and the roller bed assembly 3 is in a high-position state; when the lifting roller 23 rotates to the position below the rotating main shaft 24, the roller bed assembly 3 is placed down by the lifting roller 23, the roller bed assembly 3 is in a low position state, and the high-low position change of the roller bed assembly 3 can be realized along with the rotation of the rotating main shaft 24; the roller bed component 3 comprises a table top 31 and a horizontal transmission mechanism arranged on the table top, the roller bed component 3 completes horizontal transportation of the body in white, and the detection component is arranged on the table top of the roller bed component 3 and is used for detecting in-place signals of the horizontal direction of products and lifting in-place signals.
Specifically, eccentric lifting unit 2 includes two sets of main shafts 24 that rotate, and is two sets of main shafts 24 are followed the direction distribution that roller bed subassembly 3 transmitted sets up in the below both sides of roller bed subassembly 3, every rotate and all be provided with two eccentric blocks 25 on the main shaft 24, two eccentric blocks 25 set up respectively at the both ends of rotating main shaft 24, and the initial condition of four eccentric blocks 25 of two sets of main shafts 24 that rotate is the same, and rotates along with rotating main shaft 24 is synchronous, can control the lifting and dropping of roller bed subassembly 3 jointly.
In order to ensure that the two rotating main shafts 24 can synchronously rotate, the synchronous pulley set 22 comprises a driving wheel connected with the eccentric driving device 21 and two driven wheels sleeved on the two rotating main shafts 24, the driving wheel drives the two driven wheels to synchronously rotate through a synchronous belt 26, so that the two rotating main shafts 24 are driven by the same eccentric driving device 21, and the rotating state of the rotating main shafts 24 is ensured to be the same.
Specifically, hold-in range 26 below still is provided with take-up pulley 27, take-up pulley 27 is fixed to be set up on the take-up pulley support, sticiss hold-in range 26 on the hold-in range wheelset through take-up pulley 27, prevents that the condition of sliding sleeve from appearing in hold-in range 26.
Specifically, still be provided with bolt support 28 and bolt 29 on the eccentric lifting unit 2, after eccentric lifting unit 2 promoted roller bed subassembly 3 and rises or reduces, can insert bolt 28 in roller bed subassembly 3, insert the roller bed subassembly back with bolt 28, can guarantee the fixed of roller bed subassembly 3 and eccentric lifting unit 2 relative position, when equipment need maintain in high low level to the guarantee safety.
Referring to fig. 3, the horizontal transmission mechanism includes a horizontal transmission motor 32, a synchronous transmission belt 33, support rollers 34 and a positioning pin 35, the horizontal transmission motor 32 drives a plurality of support rollers 34 to rotate synchronously through the synchronous transmission belt 33, skis are placed on the support rollers 34, the positioning pin 35 is used for limiting the placement positions of the skis, the horizontal transmission mechanism can realize the stable transportation of the skis in the horizontal direction, guide wheels 4 protruding from the table 31 are arranged on two sides of the table 31, and the guide wheels 4 limit the positions of the skis moving on the table 31.
Specifically, still be provided with buffer 5 on the mesa 31, buffer 5 sets up along horizontal transmission mechanism direction of transfer reverse overhang, adopts buffer 5 to be used for buffering the inertial impact of white automobile body after the horizontal transportation targets in place, compares in the rigidity structure that targets in place, and buffer 5 can be to white automobile body protect after target in place.
Specifically, the supporting assembly 1 is divided into two parts, and comprises a supporting frame for supporting an eccentric driving device and a roller bed assembly.
In this embodiment, the detection assembly further comprises a lifting in-place sensor, the lifting in-place sensor is arranged on the rotating main shaft, and the lifting in-place sensor detects a high-low in-place signal.
The specific working actions of the lifting roller bed in the embodiment include:
firstly, a white automobile body is transported to the other side from one side by a horizontal transmission mechanism on the roller bed component 3, after a positioning sensor detects an in-place signal, an eccentric driving device 21 of an eccentric lifting component 2 is started, a rotating main shaft 24 is driven to rotate through a synchronous pulley set, the rotating main shaft 24 drives an eccentric block 25 to rotate 180 degrees, so that the transmission from a low position to a high position of the roller bed component 3 is completed, after the transmission is completed, the rotating main shaft 24 drives the eccentric block 25 to rotate 180 degrees, the roller bed component 3 returns to the state again, when the high position and the low position are lifted, the stroke is ensured to be unchanged, and the accurate in-place of the roller bed component 3 is ensured.
The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.
Claims (10)
1. An eccentric lifting roller bed for welding a body-in-white is characterized by comprising a supporting assembly, an eccentric lifting assembly, a roller bed assembly and a detection assembly; the supporting assembly is used for supporting the eccentric lifting assembly, the roller bed assembly and the detection assembly, the eccentric lifting assembly comprises an eccentric driving device, a synchronous belt wheel set, a rotating main shaft, an eccentric block and a lifting roller wheel, the eccentric driving device drives the rotating main shaft to rotate through the synchronous belt wheel set, a through hole for mounting the rotating main shaft and the lifting roller wheel is formed in the eccentric block, the roller bed assembly falls on the lifting roller wheel, the lifting roller wheel rotates around the rotating main shaft along with the eccentric block in the process that the eccentric block rotates along with the rotating main shaft to achieve lifting movement of the roller bed assembly, and the roller bed assembly comprises a table board and a horizontal transmission mechanism arranged on the table board; the detection assembly is arranged on the table top of the roller bed assembly and used for detecting in-place signals of products in the horizontal direction.
2. The eccentric lifting roller bed for welding the body in white according to claim 1, wherein the eccentric lifting assembly comprises two groups of rotating main shafts, the two groups of rotating main shafts are distributed on two sides below the roller bed assembly along the conveying direction of the roller bed assembly, two eccentric blocks are arranged on each rotating main shaft, the two eccentric blocks are respectively arranged at two ends of the rotating main shafts, and the four eccentric blocks of the two groups of rotating main shafts rotate synchronously to jointly control the lifting movement of the roller bed assembly.
3. The eccentric lifting roller bed for welding and assembling white car bodies as claimed in claim 2, wherein the synchronous pulley set comprises a driving wheel connected with the eccentric driving device and two driven wheels sleeved on the two main rotating shafts, and the driving wheel drives the two driven wheels to rotate synchronously through a synchronous belt.
4. The eccentric lifter roller bed for body-in-white welding of claim 3, wherein a tensioner is further provided under the synchronous belt, the tensioner being fixedly disposed on a tensioner bracket.
5. The eccentric lifting roller bed for body-in-white welding of claim 1, wherein the eccentric lifting assembly is further provided with a pin support and a pin, and the eccentric lifting assembly pushes the roller bed assembly to be lifted or lowered so that the pin can be inserted into the roller bed assembly.
6. The eccentric lifting roller bed for welding of body-in-white according to claim 1, wherein the horizontal transmission mechanism comprises a horizontal transmission motor, a synchronous transmission belt, a plurality of supporting rollers and a positioning pin, the horizontal transmission motor drives the plurality of supporting rollers to rotate synchronously through the synchronous transmission belt, the supporting rollers are provided with sledges, and the positioning pin is used for limiting the placement positions of the sledges.
7. The eccentric lifting roller bed for body-in-white welding of claim 1, wherein a buffer is further provided on the table, said buffer being cantilevered in a direction opposite to the direction of conveyance of the horizontal transport mechanism.
8. An eccentric lifting roller bed for body-in-white welding as claimed in claim 1, characterized in that guide wheels protruding from the table are provided on both sides of the table, said guide wheels limiting the position of the sledge moving on the table.
9. The eccentric lift roller bed for a body-in-white weld of claim 1, wherein the support assembly includes a support bracket supporting the eccentric drive and the roller bed assembly.
10. The eccentric lift roller bed for body-in-white welding of claim 1, wherein said detection assembly further comprises a lift-in-place sensor disposed on the rotating spindle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021592793.8U CN213231378U (en) | 2020-08-04 | 2020-08-04 | Eccentric lifting roller bed for welding white car body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021592793.8U CN213231378U (en) | 2020-08-04 | 2020-08-04 | Eccentric lifting roller bed for welding white car body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213231378U true CN213231378U (en) | 2021-05-18 |
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ID=75893164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021592793.8U Active CN213231378U (en) | 2020-08-04 | 2020-08-04 | Eccentric lifting roller bed for welding white car body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213231378U (en) |
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2020
- 2020-08-04 CN CN202021592793.8U patent/CN213231378U/en active Active
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