Lifting platform assembly with multiplied short guide rail stroke
By designing a lifting platform assembly with short guide rail stroke double, the stroke of the workbench is doubled by gears and chain mechanisms, the problem of insufficient space for the fork arm in the flexible production line is solved, the space utilization rate and component compactness are improved, and the space is achieved in limited space workpiece loading and unloading work.
Patent Information
- Application Number
- CN202420470441.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-12
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-03-12
AI Technical Summary
In the flexible production line of the mechanical processing industry, the fork arm of the lifting platform assembly is insufficient in the direction of telescopic motion, resulting in low loading and unloading work efficiency and inability to effectively utilize the limited production space.
Design a lifting platform assembly with doubled stroke of short guide rails. The rack is driven by the gear shaft and transmission gear to drive the middle guide rails forward and backward translation. Combined with the chain and sprocket mechanism, the front and back translation of the workbench is realized, shortening the length of the middle guide rails, saving space. And roller fit is used to improve structural compactness.
The workpiece loading and unloading work is achieved under limited space conditions, which improves the utilization rate of factory space, optimizes the structure of the lifting platform components, shortens the telescopic stroke of the wishbone, and improves the compactness of the overall structure.
Smart Images
Figure CN222249936U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to lifting platform equipment used in a flexible production line of the mechanical processing industry, and in particular relates to a lifting platform component with a short guide rail stroke multiplied. Background Art
[0002] In the flexible production line of the mechanical processing industry, the loading and unloading of the processed parts is realized by the lifting platform equipment. In the actual loading and unloading process, the lifting platform components need to be lifted and lowered, and the fork arm needs to be telescopic. In this process, the telescopic stroke of the fork arm is relatively large. In actual production work, due to the limitation of the actual production space, there is a problem of insufficient space in the telescopic movement direction of the fork arm. Utility Model Content
[0003] The technical problem to be solved by the utility model is to provide a lifting platform assembly with doubled short guide rail stroke in view of the shortcomings of the prior art. The lifting platform assembly can save the space occupied by the flexible production line, effectively improve the utilization rate of the factory space, and at the same time realize the loading and unloading of workpieces in the flexible production line under limited space conditions.
[0004] The technical solution adopted by the utility model to solve the above technical problems is: a lifting platform assembly with short guide rail stroke multiplication, including a chassis assembly, a fork arm assembly, a lifting platform power assembly, a lifting platform stroke multiplication mechanism and a first roller, the chassis assembly includes a chassis, a first mounting plate, a second mounting plate and a third mounting plate, the first mounting plate is vertically and symmetrically fixed on the left and right sides of the chassis, a plurality of the first rollers are installed on the first mounting plate, and the plurality of the first rollers are used to roll up and down when the lifting platform is lifted, and the second mounting plate is horizontal and opposite to the first mounting plate. The fork arm assembly comprises a support plate, a workbench, an upper guide rail, a middle guide rail, a lower guide rail, a rack and a fork arm connecting bracket. The middle guide rail and the lower guide rail are respectively arranged symmetrically on the left and right sides. The lower guide rail is fixed to the second mounting plate. The middle guide rail can be installed on the inner side of the lower guide rail in a forward and backward translational manner. The upper guide rail can be installed on the upper side of the middle guide rail in a forward and backward translational manner. The support plate is fixed on the workbench. The upper side of the upper guide rail, the workbench is installed on the upper side of the support plate, the rack is fixed on the length direction of the middle guide rail on one side, the fork arm connecting bracket is symmetrically arranged front and back, and the left and right ends of the fork arm connecting bracket are respectively fixed to the middle guide rail, the power output by the lifting platform power assembly is transmitted to the rack via a gear shaft and two transmission gears, the two transmission gears are arranged at intervals front and back, the left sides of the two transmission gears are respectively meshed with the gear shaft, and the right sides of the two transmission gears are respectively meshed with the rack, the lifting platform stroke multiplication mechanism includes two lifting platform stroke multiplication units, each of the lifting platform stroke multiplication units includes a chain, a sprocket, a first bracket, a second bracket and a third bracket, the first bracket is fixed to the third mounting plate, the second bracket is fixed to the support plate, the third bracket is fixed to the fork arm connecting bracket, the sprocket is installed on the third bracket, the fixed end of the chain is installed on the first bracket, the movable end of the chain is installed on the second bracket, and the chain is meshed with the sprocket.
[0005] During the operation of the lifting platform assembly of the utility model, the lifting platform power assembly drives the rack to move forward and backward through a gear shaft and two transmission gears, and the rack drives the middle guide rail to move forward and backward along the lower guide rail for a certain stroke. At the same time, the fork arm connecting bracket and the third bracket move forward and backward with the middle guide rail for a certain stroke, driving the sprocket to move forward and backward, so that the moving end of the chain drives the second bracket and the support plate fixed on the second bracket to move forward and backward, and finally realizes the forward and backward translation of the workbench, and the moving stroke of the workbench is twice that of the middle guide rail, thereby saving space in the fork arm assembly in the forward and backward moving direction (i.e., the telescopic stroke direction), realizing structural optimization and size reduction of the lifting platform assembly. While realizing the doubling of the stroke of the workbench, the lifting platform assembly of the utility model adopts two transmission gears spaced front and back to drive the rack to move forward and backward, which is conducive to shortening the length of the middle guide rail, further saving space, and improving the compactness of the overall structure of the lifting platform assembly.
[0006] The lifting platform assembly of the utility model can save the space occupied by the flexible production line, effectively improve the utilization rate of the factory space, and at the same time can realize the loading and unloading of workpieces in the flexible production line under the condition of limited space.
[0007] Preferably, a second roller is installed on the upper guide rail, a third roller is installed on the middle guide rail, the second roller cooperates with the middle guide rail, and the third roller cooperates with the lower guide rail. The second roller is used to realize relative translation between the upper guide rail and the middle guide rail, and the third roller is used to realize relative translation between the middle guide rail and the lower guide rail. The structure is simple, reliable, and easy to maintain.
[0008] Preferably, the lifting platform power assembly includes a reduction motor and a motor mounting seat, the gear shaft is connected to the output end of the reduction motor, the reduction motor is installed in the motor mounting seat, the motor mounting seat is fixed on the lower side of the lower guide rail, and the two transmission gears are installed on the motor mounting seat with a front and rear interval.
[0009] Compared with the prior art, the utility model has the following advantages: the utility model short guide rail stroke multiplied lifting platform assembly can realize the doubling of the worktable stroke, while shortening the length of the middle guide rail, further saving space, and improving the compactness of the overall structure of the lifting platform assembly. The utility model lifting platform assembly can save the space occupied by the flexible production line, effectively improve the utilization rate of the factory space, and at the same time realize the loading and unloading of workpieces in the flexible production line under the condition of limited space. BRIEF DESCRIPTION OF THE DRAWINGS
[0010] Figure 1 This is a front view of the lifting platform assembly after installation in the embodiment;
[0011] Figure 2 for Figure 1Middle AA section view;
[0012] Figure 3 for Figure 1 Middle BB section view;
[0013] Figure 4 for Figure 3 Middle CC section view;
[0014] Figure 5 This is an appearance diagram of the fork arm assembly in the embodiment;
[0015] The specific reference numerals in the figure are as follows:
[0016] 1-chassis, 11-first mounting plate, 12-second mounting plate, 13-third mounting plate, 14-first roller, 21-pallet, 22-workbench, 23-upper guide rail, 24-middle guide rail, 25-lower guide rail, 26-rack, 27-fork arm connecting bracket, 28-second roller, 29-third roller, 31-gear shaft, 32-transmission gear, 41-chain, 42-sprocket, 43-first bracket, 44-second bracket, 45-third bracket, 51-reduction motor, 52-motor mounting seat. DETAILED DESCRIPTION
[0017] The present invention is further described in detail below in conjunction with the embodiments of the drawings. All devices or components not limited in the present invention adopt conventional technical means in the art.
[0018] The lifting platform assembly with short guide rail travel multiplication of the embodiment, such as Figure 1 to Figure 5 As shown, it includes a chassis assembly, a fork arm assembly, a lifting platform power assembly, a lifting platform stroke multiplication mechanism and a first roller 14.
[0019] The chassis assembly includes a chassis 1, a first mounting plate 11, a second mounting plate 12 and a third mounting plate 13. The first mounting plate 11 is vertically and symmetrically fixed on the left and right sides of the chassis 1. A plurality of first rollers 14 are installed on the first mounting plate 11. The plurality of first rollers 14 are used to roll up and down when the lifting platform is raised or lowered. The second mounting plate 12 is horizontally and symmetrically fixed on the left and right sides of the chassis 1 and is located on the inner side of the first mounting plate 11. The third mounting plate 13 is horizontally and asymmetrically fixed on the front and rear sides of the chassis 1.
[0020] The fork arm assembly includes a support plate 21, a workbench 22, an upper guide rail 23, a middle guide rail 24, a lower guide rail 25, a rack 26 and a fork arm connecting bracket 27. The middle guide rail 24 and the lower guide rail 25 are respectively arranged symmetrically on the left and right. The lower guide rail 25 is fixed to the second mounting plate 12. The middle guide rail 24 can be installed on the inner side of the lower guide rail 25 for translation forward and backward. The upper guide rail 23 can be installed on the upper side of the middle guide rail 24 for translation forward and backward. Specifically, a second roller 28 is installed on the upper guide rail 23, and a third roller 29 is installed on the middle guide rail 24. The second roller 28 cooperates with the middle guide rail 24, and the third roller 29 cooperates with the lower guide rail The rail 25 is matched, the support plate 21 is fixed on the upper side of the upper guide rail 23, the workbench 22 is installed on the upper side of the support plate 21, the rack 26 is fixed in the length direction of the middle guide rail 24 on one side, the fork arm connecting bracket 27 is symmetrically arranged front and back, and the left and right ends of the fork arm connecting bracket 27 are respectively fixed to the middle guide rail 24. The power output by the lifting platform power assembly is transmitted to the rack 26 through a gear shaft 31 and two transmission gears 32. The two transmission gears 32 are arranged at intervals front and back, and the left sides of the two transmission gears 32 are respectively meshed with the gear shaft 31, and the right sides of the two transmission gears 32 are respectively meshed with the rack 26.
[0021] The lifting platform stroke multiplication mechanism includes two lifting platform stroke multiplication units, each lifting platform stroke multiplication unit includes a chain 41, a sprocket 42, a first bracket 43, a second bracket 44 and a third bracket 45. The first bracket 43 is fixed to the third mounting plate 13, the second bracket 44 is fixed to the support plate 21, the third bracket 45 is fixed to the fork arm connecting bracket 27, the sprocket 42 is installed on the third bracket 45, the fixed end of the chain 41 is installed on the first bracket 43, the movable end of the chain 41 is installed on the second bracket 44, and the chain 41 is meshed with the sprocket 42.
[0022] The lifting platform power assembly includes a reduction motor 51 and a motor mounting seat 52. The gear shaft 31 is connected to the output end of the reduction motor 51. The reduction motor 51 is installed in the motor mounting seat 52. The motor mounting seat 52 is fixed to the lower side of the lower guide rail 25. Two transmission gears 32 are installed on the motor mounting seat 52 at intervals in front and back.
[0023] During the operation of the above-mentioned lifting platform assembly, the lifting platform power assembly drives the rack 26 to move forward and backward through a gear shaft 31 and two transmission gears 32, and the rack 26 drives the middle guide rail 24 to move forward and backward along the lower guide rail 25 for a certain stroke. At the same time, the fork arm connecting bracket 27 and the third bracket 45 move forward and backward with the middle guide rail 24 for a certain stroke, driving the sprocket 42 to move forward and backward, so that the moving end of the chain 41 drives the second bracket 44 and the support plate 21 fixed on the second bracket 44 to move forward and backward, and finally realizes the forward and backward translation of the workbench 22, and the moving stroke of the workbench 22 is twice that of the middle guide rail 24, thereby saving space in the fork arm assembly in the forward and backward moving direction (i.e., the telescopic stroke direction), realizing the structural optimization and size reduction of the lifting platform assembly. While realizing the doubling of the stroke of the workbench 22, the above-mentioned lifting platform assembly adopts two transmission gears 32 spaced front and back to drive the rack 26 to move forward and backward, which is conducive to shortening the length of the middle guide rail 24, further saving space, and improving the compactness of the overall structure of the lifting platform assembly.
Claims
1. A lifting platform assembly with short guide rail travel multiplication, characterized in that: The invention comprises a chassis assembly, a fork arm assembly, a lifting platform power assembly, a lifting platform stroke multiplication mechanism and a first roller. The chassis assembly comprises a chassis, a first mounting plate, a second mounting plate and a third mounting plate. The first mounting plate is vertically and symmetrically fixed on the left and right sides of the chassis. A plurality of first rollers are mounted on the first mounting plate. The plurality of first rollers are used to roll up and down when the lifting platform is lifted or lowered. The second mounting plate is horizontally and symmetrically fixed on the left and right sides of the chassis and is located on the inner side of the first mounting plate. The third mounting plate is horizontally and asymmetrically fixed on the front and rear sides of the chassis. The fork arm assembly comprises a support plate, a workbench, an upper guide rail, a middle guide rail, a lower guide rail, a rack and a fork arm connecting bracket. The middle guide rail and the lower guide rail are respectively arranged symmetrically on the left and right sides. The lower guide rail is fixed to the second mounting plate. The middle guide rail can be installed on the inner side of the lower guide rail for forward and backward translation. The upper guide rail can be installed on the upper side of the middle guide rail for forward and backward translation. The support plate is fixed on the upper side of the upper guide rail. The workbench is installed on the The upper side of the support plate, the rack is fixed to the length direction of the middle guide rail on one side, the fork arm connecting bracket is symmetrically arranged front and back, the left and right ends of the fork arm connecting bracket are respectively fixed to the middle guide rail, the power output by the lifting platform power assembly is transmitted to the rack via a gear shaft and two transmission gears, the two transmission gears are arranged at intervals front and back, the left sides of the two transmission gears are respectively meshed with the gear shaft, and the right sides of the two transmission gears are respectively meshed with the rack, the lifting platform stroke multiplication mechanism includes two lifting platform stroke multiplication units, each of the lifting platform stroke multiplication units includes a chain, a sprocket, a first bracket, a second bracket and a third bracket, the first bracket is fixed to the third mounting plate, the second bracket is fixed to the support plate, the third bracket is fixed to the fork arm connecting bracket, the sprocket is installed on the third bracket, the fixed end of the chain is installed on the first bracket, the movable end of the chain is installed on the second bracket, and the chain is meshed with the sprocket.
2. A lifting platform assembly with short guide rail stroke multiplication according to claim 1, characterized in that: A second roller is installed on the upper guide rail, a third roller is installed on the middle guide rail, the second roller cooperates with the middle guide rail, and the third roller cooperates with the lower guide rail.
3. A lifting platform assembly with short guide rail stroke multiplication according to claim 1, characterized in that: The lifting platform power assembly includes a reduction motor and a motor mounting seat. The gear shaft is connected to the output end of the reduction motor. The reduction motor is installed in the motor mounting seat. The motor mounting seat is fixed on the lower side of the lower guide rail. The two transmission gears are installed on the motor mounting seat at a front and rear interval.