CN212638749U - Lifting platform device for automobile production line - Google Patents
Lifting platform device for automobile production line Download PDFInfo
- Publication number
- CN212638749U CN212638749U CN202020226665.5U CN202020226665U CN212638749U CN 212638749 U CN212638749 U CN 212638749U CN 202020226665 U CN202020226665 U CN 202020226665U CN 212638749 U CN212638749 U CN 212638749U
- Authority
- CN
- China
- Prior art keywords
- eccentric
- shaft
- roller
- lifting
- production line
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
Abstract
The utility model relates to a lifting platform device for an automobile production line, which comprises a base, a roller bed and a lifting driving mechanism, wherein the lifting driving mechanism comprises a pair of symmetrically arranged lifting transmission units and a driving part, the lifting transmission units are arranged at two sides of the base and comprise a short shaft, a long shaft, a first eccentric part, a second eccentric part and a connecting shaft; the two ends of the long shaft are respectively in transmission connection with the first eccentric part and the connecting shaft, and a first roller for supporting the roller bed is arranged on the connecting shaft; the long shaft and the short shaft are in transmission connection through the first eccentric part, the connecting shaft and the second eccentric part in sequence, and under the action of the first eccentric part and the second eccentric part, the connecting shaft and the first roller swing up and down to drive the roller bed to move up and down. Compared with the prior art, the lifting driving mechanism of the device is flexibly connected, so that the stress concentration of the shaft is avoided, the fatigue strength is reduced, and the service life is prolonged.
Description
Technical Field
The utility model relates to an automobile production line technique, concretely relates to elevating platform device for automobile production line.
Background
In a modern automobile production line, a speed-multiplying chain conveyor is often used, and as an auxiliary line body is usually required to convey a carrier, namely a tray, the conveying of an empty tray is mostly carried out through the speed-multiplying chain body. When doubly fast chain assembly line need turn to, lifting sideslip mechanism need be used, lifting sideslip mechanism plays transitional effect in car automation line, flow to lifting sideslip machine department through the line body when the tray, proximity sensor signals, pass to the other electronic valve of cylinder through total control box, promote the cylinder lifting, the tray stops on the lifting sideslip machine, again through the lifting mechanism lifting to the distance of crossing the line body upper surface, at this moment the sideslip machine action, the sideslip tray transports on another automation line.
Patent CN108545408A discloses a lifting device for doubly fast chain line body, the on-line screen storage device comprises a base, a lifting rack, a lifting mechanism and a guiding mechanism for controlling lifting rack reciprocates, lifting mechanism includes a pair of parallel mount and can carry out the pivoted pivot on the base, connect through the connecting rod between the pivot, drive unit is connected to one of them pivot, the both ends fixed mounting of pivot has the eccentric wheel board, the other end fixed mounting of eccentric wheel board has support bearing, lifting rack places on support bearing, drive unit drive pivot and drive the rotation of eccentric wheel board, and then drive lifting rack reciprocates under guiding mechanism's guide effect. The device drives the rotating shaft and drives the eccentric wheel plate to rotate through the driving unit, and then the lifting frame is driven to move up and down under the guiding effect of the guiding mechanism, the rotating shaft is rigidly connected with the eccentric wheel plate, stress concentration is easily caused, the fatigue strength of the shaft is increased, and the service life of the shaft is shortened.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a lifting platform device for automobile production line in order to solve above-mentioned problem, lift actuating mechanism is flexonics, avoids the stress concentration of axle, alleviates fatigue strength, increase of service life.
The purpose of the utility model is realized through the following technical scheme:
a lifting platform device for an automobile production line comprises a base, a roller bed movably arranged on the upper portion of the base and a lifting driving mechanism for driving the roller bed to move up and down, wherein the lifting driving mechanism comprises a pair of lifting transmission units and a driving part which are symmetrically arranged, the lifting transmission units are arranged on two sides of the base and comprise a short shaft, a long shaft, a first eccentric part, a second eccentric part and a connecting shaft;
the long shaft is arranged at the lower part of the roller bed, two ends of the long shaft are respectively in transmission connection with the first eccentric part and the connecting shaft, and the connecting shaft is provided with a first roller for supporting the roller bed;
the long shaft and the short shaft are in transmission connection through the first eccentric part, the connecting shaft and the second eccentric part in sequence, the short shaft is driven by the driving part to rotate, and under the action of the first eccentric part and the second eccentric part, the connecting shaft and the first roller swing up and down to drive the roller bed to move up and down.
Through first eccentric member, connecting axle and second eccentric member transmission are connected between major axis and the minor axis in the device, the continuity transmission of power has been guaranteed, when drive component drove the minor axis and rotates, the second eccentric member then rotates, the major axis also then rotates, the connecting axle that has realized the major axis both ends and the vertical motion about the first gyro wheel above, be flexonics between minor axis and the transmission shaft, but non-rigid connection, the stress concentration of axle has been avoided, the fatigue strength of axle has been alleviateed, the life of extension axle.
Furthermore, both ends of the long shaft and the short shaft are fixedly arranged on the base through bearings and bearing seats.
Furthermore, the first eccentric part is an eccentric block, the long shaft and the connecting shaft are eccentrically arranged on two sides of the first eccentric part, and the distance between the long shaft and the connecting shaft is the lifting height of the roller bed.
Furthermore, the second eccentric part is an eccentric groove, the eccentric groove is connected to the end part of the short shaft, a second roller is arranged at the end part of a connecting shaft between the long shaft and the short shaft, the second roller is matched with the eccentric groove and is positioned in the eccentric groove, and flexible connection between the short shaft and the transmission shaft is achieved.
Further, the eccentric groove is a concave slot. The eccentric groove can realize intermittent power transmission in the rotating process along with the short shaft, and can cut off or transmit a power source according to needs, so that the lifting swing is realized, and the safety is higher.
Furthermore, the driving part is a driving motor and is arranged in the middle of the lifting transmission unit; the short shaft is provided with a synchronous belt wheel, and the driving motor drives the short shaft to rotate through a transmission belt and the synchronous belt wheel.
Furthermore, the roller bed is a four-roller bed and comprises a supporting frame, roller sets and cover plates, wherein the roller sets and the cover plates are arranged on the supporting frame in rows, the cover plates are arranged on the upper portion of the supporting frame in a covering mode, and rollers of the roller sets are exposed out of the cover plates.
Further, the roller set comprises 4 rollers, the rollers are arranged on the supporting frame in parallel at intervals, rollers are arranged at two ends of each roller, the roller set is driven by a driving motor and a synchronous transmission belt wheel mechanism, and the driving motor is connected with an operating handle to control the motor to be opened and closed.
Furthermore, a pair of guide mechanisms for vertically guiding the lifting of the roller bed is further arranged on the base, each guide mechanism is a guide rail bearing assembly and consists of three guide bearings, the three guide bearings form a shape like a Chinese character 'pin', a guide rail is formed in the middle of each guide bearing, a guide rod is arranged on the roller bed and is positioned in the guide rail and vertically moves along the guide rail.
Further, the base is a rectangular frame structure, and the lower portion of the base is further provided with adjusting feet.
The concrete working principle of the device is that when the sledge in the previous process flows into the roller bed of the device, the sledge stays at the preset position of the roller bed under the action induction of the sensor arranged on the roller bed, and the roller bed stops moving. At the moment, a driving motor of the lifting driving mechanism acts to drive the lifting transmission unit to move, when the driving part drives the short shaft to rotate, the second eccentric part rotates along with the short shaft, the long shaft also rotates along with the short shaft, the vertical motion of the connecting shafts at the two ends of the long shaft and the first roller on the long shaft is realized, and the first roller is supported on the lower part of the roller bed, so that the lifting of the roller bed is realized, and the sledges on the four roller bed reach the specified height. The guide mechanisms arranged on both sides of the roller bed play a role of vertical guide during the lifting or lowering movement. The motion is circularly reciprocated, so that the circular lifting motion of the roller bed is realized.
Compared with the prior art, the device has the advantages of simple structure, low cost requirement, high motion accuracy, time saving, greatly improved station beat, suitability for high repeatability and low skill performance work, replacement of manual operation, improvement of efficiency and saving of human resource cost.
Drawings
Fig. 1 and 2 are schematic diagrams of the overall structure of the device of the present invention with the cover plate removed;
FIG. 3 is a schematic view of the overall structure of the device of the present invention with a cover plate;
FIG. 4 is a schematic structural view of the device of the present invention with the roller bed removed;
fig. 5 is a schematic perspective view of the lifting transmission unit of the present invention;
FIG. 6 is a front view of FIG. 5;
FIG. 7 is a top view of FIG. 5;
FIG. 8 is a cross-sectional view of the elevating transmission unit;
fig. 9 and 10 are sectional views of the elevation drive unit at the highest and lowest positions, respectively;
fig. 11 and 12 are partially enlarged schematic views of the guide mechanism.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Examples
Referring to fig. 1 to 4, a lifting table apparatus for an automobile production line includes a base 100, a roller bed 200 movably disposed on an upper portion of the base 100, and a lifting driving mechanism 300 for driving the roller bed 200 to move up and down, wherein the base 100 has a rectangular frame structure, and a lower portion of the base 100 is further provided with an adjusting foot.
As shown in fig. 2 and 3, the roller bed 200 is a four-roller bed, and includes a supporting frame 201, a roller set 202 and a cover plate 203 arranged on the supporting frame 201 in a row, the cover plate 203 is covered on the upper portion of the supporting frame 201, the rollers of the roller set 202 are exposed out of the cover plate 203, the roller set 202 is composed of 4 rollers, the rollers are arranged on the supporting frame 201 in a row at intervals, the rollers are arranged at two ends of the rollers, the roller set is driven by a driving motor 204 and a synchronous driving belt wheel mechanism, a sensor can be arranged on the roller bed 200, the driving motor is connected with an operating handle, and the opening and closing.
The lifting driving mechanism 300 includes a pair of lifting transmission units 301 and a driving component 302, which are symmetrically arranged, the lifting transmission units 301 are disposed on two sides of the base 100, as shown in fig. 5-8, and include a short axis 3011, a long axis 3015, a first eccentric 3014, a second eccentric 3012 and a connecting shaft 3013, the long axis 3015 is disposed at the lower portion of the roller bed 200, two ends of the long axis 3015 are respectively connected with the first eccentric 3014 and the connecting shaft 3013 in a driving manner, and the connecting shaft 3013 is provided with a first roller 3017 for supporting the roller bed 200; the long axis 3015 and the short axis 3011 are in transmission connection through a first eccentric component 3014, a connecting shaft 3013 and a second eccentric component 3012 in sequence, the short axis 3011 is driven by the driving component 302 to rotate, and under the action of the first eccentric component 3014 and the second eccentric component 3012, the connecting shaft 3013 and the first roller 3017 swing up and down, and further the roller bed 200 is driven to move up and down.
In the device, a long shaft 3015 is in transmission connection with a short shaft 3011 through a first eccentric part 3014, a connecting shaft 3013 and a second eccentric part 3012, power continuity transmission is guaranteed, when a driving part 302 drives the short shaft 3011 to rotate, the second eccentric part 3012 rotates along with the rotation, the long shaft 3015 also rotates along with the rotation, vertical movement of the connecting shaft 3013 at two ends of the long shaft 3015 and a first roller 3017 on the connecting shaft 3013 is achieved, the short shaft 3011 is in flexible connection with a transmission shaft instead of rigid connection, stress concentration of the shaft is avoided, fatigue strength of the shaft is relieved, and service life of the shaft is prolonged.
Referring to fig. 5 to 8, both ends of the long axis 3015 and the short axis 3011 are fixedly mounted on the base 100 through bearings and bearing blocks 3016. The first eccentric component 3014 is an eccentric block, the long axis 3015 and the connecting axis 3013 are eccentrically disposed on two sides of the first eccentric component 3014, and the distance between the long axis 3015 and the connecting axis 3013 is the height of the roller bed 200. The second eccentric component 3012 is an eccentric slot, the eccentric slot is connected to the end of the short shaft 3011, a second roller 3018 is arranged at the end of a connecting shaft 3013 between the long shaft 3015 and the short shaft 3011, the second roller 3018 is matched with the eccentric slot and is located in the eccentric slot, and flexible connection between the short shaft 3011 and the transmission shaft is achieved. The eccentric groove is a concave slot, and the eccentric groove can realize intermittent power transmission in the rotating process along with the short shaft 3011, can cut off or transmit a power source as required, and is safer while realizing lifting and swinging.
The driving part 302 is specifically a driving motor and is arranged in the middle of the lifting transmission unit 301; the short shaft 3011 is provided with a synchronous belt wheel 3019, the driving motor drives the short shaft 3011 to rotate through a transmission belt and the synchronous belt wheel, and spacer 3010 is arranged between the first roller and the second roller and between the second eccentric part and the synchronous belt wheel 3019 and the bearing seat.
As shown in fig. 11 and 12, a pair of guide mechanisms 400 for vertically guiding the pair of roller beds 200 is further disposed on the base 100, the guide mechanisms 400 are guide rail bearing assemblies and are composed of three guide bearings 401, the three guide bearings form a shape of a Chinese character pin, a guide rail is formed in the middle of the guide rail, guide rods 205 are disposed on the roller beds 200, and the guide rods 205 are disposed in the guide rails and vertically move along the guide rails.
The concrete working principle of the device is that when the sledge in the previous process flows into the roller bed of the device, the sledge stays at the preset position of the roller bed under the action induction of the sensor arranged on the roller bed, and the roller bed stops moving. At this time, the driving motor of the lifting driving mechanism 300 operates to drive the lifting transmission unit 301 to move, when the driving component 302 drives the short shaft 3011 to rotate, the second eccentric component 3012 rotates accordingly, the long shaft 3015 also rotates accordingly, the connecting shaft 3013 at both ends of the long shaft 3015 and the first roller 3017 on the connecting shaft 3013 move vertically up and down, and the first roller 3017 is pressed against the lower part of the roller bed 200, so as to realize the lifting of the roller bed 200, and the sled on the four-roller bed reaches the specified height (the highest position in fig. 9 and the lowest position in fig. 10). The guide mechanisms arranged on both sides of the roller bed play a role of vertical guide during the lifting or lowering movement. This motion is cyclically reciprocated to effect cyclic lifting and lowering of the roller bed 200.
The device is simple in structure, low in cost demand, high in motion accuracy, time-saving, capable of greatly improving the station beat, applicable to high-repeatability and low-skill work, capable of replacing manual operation, and capable of improving efficiency and saving human resource cost.
The embodiments described above are intended to facilitate the understanding and use of the invention by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention according to the disclosure of the present invention.
Claims (10)
1. A lifting platform device for an automobile production line comprises a base (100), a roller bed (200) movably arranged at the upper part of the base (100) and a lifting driving mechanism (300) for driving the roller bed (200) to move up and down, and is characterized in that,
the lifting driving mechanism (300) comprises a pair of lifting transmission units (301) and a driving component (302) which are symmetrically arranged, the lifting transmission units (301) are arranged on two sides of the base (100) and comprise a short shaft (3011), a long shaft (3015), a first eccentric part (3014), a second eccentric part (3012) and a connecting shaft (3013),
the long shaft (3015) is arranged at the lower part of the roller bed (200), two ends of the long shaft (3015) are respectively in transmission connection with the first eccentric part (3014) and the connecting shaft (3013), and the connecting shaft (3013) is provided with a first roller (3017) for supporting the roller bed (200);
the long shaft (3015) and the short shaft (3011) are in transmission connection sequentially through the first eccentric piece (3014), the connecting shaft (3013) and the second eccentric piece (3012), the short shaft (3011) is driven to rotate by the driving part (302), and under the action of the first eccentric piece (3014) and the second eccentric piece (3012), the connecting shaft (3013) and the first roller (3017) swing up and down, so that the roller bed (200) is driven to move up and down.
2. The lifting platform device for the automobile production line as claimed in claim 1, wherein both ends of the long axis (3015) and the short axis (3011) are fixedly mounted on the base (100) through bearings and bearing seats (3016).
3. The lifting platform device for the automobile production line as claimed in claim 2, wherein the first eccentric component (3014) is an eccentric block, the long axis (3015) and the connecting axis (3013) are eccentrically arranged on two sides of the first eccentric component (3014), and the distance between the long axis (3015) and the connecting axis (3013) is the lifting height of the roller bed (200).
4. A lifting platform device for automobile production line according to claim 2, characterized in that the second eccentric (3012) is an eccentric slot connected to the end of the short shaft (3011),
and a second roller (3018) is arranged at the end part of the connecting shaft (3013) between the long shaft (3015) and the short shaft (3011), and the second roller (3018) is matched with the eccentric groove and is positioned in the eccentric groove.
5. The elevating platform device for automobile production line according to claim 4, wherein the eccentric groove is a concave slot.
6. The lifting table device for the automobile production line according to claim 2, wherein the driving member (302) is a driving motor provided in the middle of the lifting transmission unit (301);
a synchronous belt wheel (3019) is arranged on the short shaft (3011), and the driving motor drives the short shaft (3011) to rotate through a transmission belt and the synchronous belt wheel.
7. The lifting platform device for the automobile production line according to claim 1, characterized in that the roller bed (200) is a four-roller bed, and comprises a supporting frame (201), a roller set (202) arranged on the supporting frame (201) in a row and a cover plate (203), wherein the cover plate (203) is arranged on the upper part of the supporting frame (201), and rollers of the roller set (202) leak out of the cover plate (203).
8. A lifting platform device for automobile production line according to claim 7 characterized in that the roller set (202) is composed of 4 rollers, the rollers are arranged on the supporting frame (201) in parallel at intervals, rollers are arranged at two ends of the rollers, and the roller set is driven by a driving motor (204) and a synchronous driving pulley mechanism.
9. The elevating platform device for automobile production line according to claim 1, wherein a pair of guide mechanisms (400) for vertically guiding the elevating of the roller bed (200) is further provided on the base (100),
the guide mechanism (400) is a guide rail bearing assembly and is composed of three guide bearings (401), the three guide bearings form a shape like a Chinese character 'pin', a guide rail is formed in the middle of the guide rail, a guide rod (205) is arranged on the roller bed (200), and the guide rod (205) is positioned in the guide rail and vertically moves along the guide rail.
10. The elevating platform device for the automobile production line according to claim 1, wherein the base (100) is a rectangular frame structure, and the lower portion of the base (100) is further provided with an adjusting foot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020226665.5U CN212638749U (en) | 2020-02-28 | 2020-02-28 | Lifting platform device for automobile production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020226665.5U CN212638749U (en) | 2020-02-28 | 2020-02-28 | Lifting platform device for automobile production line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212638749U true CN212638749U (en) | 2021-03-02 |
Family
ID=74768722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020226665.5U Active CN212638749U (en) | 2020-02-28 | 2020-02-28 | Lifting platform device for automobile production line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212638749U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111332682A (en) * | 2020-02-28 | 2020-06-26 | 上海苏腾机械设备有限公司 | Lifting platform device for automobile production line |
| CN114955593A (en) * | 2022-06-29 | 2022-08-30 | 东风汽车股份有限公司 | Separation and diversion device and method for carriage and prying body |
-
2020
- 2020-02-28 CN CN202020226665.5U patent/CN212638749U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111332682A (en) * | 2020-02-28 | 2020-06-26 | 上海苏腾机械设备有限公司 | Lifting platform device for automobile production line |
| CN114955593A (en) * | 2022-06-29 | 2022-08-30 | 东风汽车股份有限公司 | Separation and diversion device and method for carriage and prying body |
| CN114955593B (en) * | 2022-06-29 | 2023-05-26 | 东风汽车股份有限公司 | Separation and diversion device and method for carriage and pry body |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105328988B (en) | Vial bottle spinning printing equipment | |
| CN212638749U (en) | Lifting platform device for automobile production line | |
| CN205202448U (en) | Glass bottle autogyration lithography apparatus | |
| CN206024276U (en) | Panel turnover mechanism | |
| CN110539334A (en) | code scanning recognition robot for logistics and code scanning method | |
| CN209835522U (en) | Scissor lift | |
| CN213922663U (en) | Belt type clip jig conveying mechanism | |
| CN220722746U (en) | Synchronous clamping mechanism of fungus mushroom bottle frame separating centrifuge and fungus mushroom bottle frame separating centrifuge | |
| CN111332682A (en) | Lifting platform device for automobile production line | |
| CN217859476U (en) | Laser marking device for ball valve | |
| CN112591216B (en) | Step-by-step conveyor | |
| CN213415301U (en) | Lifting rolling machine | |
| CN213504822U (en) | Diode handling device | |
| CN214058798U (en) | Synchronous jacking mechanism of bidirectional conveying guide wheel assembly | |
| CN212638924U (en) | Eccentric driving mechanism for automobile production line lifting platform | |
| CN210283419U (en) | Transmission device of bag making machine | |
| CN105346221B (en) | Vial surface printing equipment | |
| CN221454688U (en) | Copper alloy sheet cutting device | |
| CN220680810U (en) | Truss manipulator | |
| CN220765594U (en) | Elevator for mine ore lifting | |
| CN221165851U (en) | Level adjustment jacking device | |
| CN210393593U (en) | Lifting movement system for glass conveying line substrate receiving equipment | |
| CN214909991U (en) | Massage machine core capable of transversely scanning and accurately positioning | |
| CN219301311U (en) | Loading and unloading device for vacuum furnace | |
| CN219258625U (en) | Section bar handling device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |