CN107161598B - Servo lifting rolling machine - Google Patents
Servo lifting rolling machine Download PDFInfo
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- CN107161598B CN107161598B CN201710346290.9A CN201710346290A CN107161598B CN 107161598 B CN107161598 B CN 107161598B CN 201710346290 A CN201710346290 A CN 201710346290A CN 107161598 B CN107161598 B CN 107161598B
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- lifting
- servo
- fixedly connected
- ball screw
- vertical base
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G13/00—Roller-ways
- B65G13/11—Roller frames
- B65G13/12—Roller frames adjustable
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Invalid Beds And Related Equipment (AREA)
- Transmission Devices (AREA)
Abstract
The utility model discloses a servo lifting rolling machine, which comprises a horizontal conveying rolling machine and a servo lifting device; the servo lifting device comprises a vertical base, a servo motor, a guide rail sliding block mechanism, a ball screw and a lifting bracket; the guide rail sliding block mechanism and the ball screw are fixedly connected with the vertical base along the vertical direction; the fixed end of the servo motor is fixedly connected with the vertical base, and the output end of the servo motor is connected with the driving screw of the ball screw; the lifting bracket is connected with a sliding block of the guide rail sliding block mechanism and a driven nut of the ball screw; the horizontal conveying roller bed is fixedly connected with the lifting bracket. The utility model has simple structure and convenient installation and debugging, effectively reduces the occupied area of the lifting mechanism of the rolling bed by avoiding using a mechanical swing rod type lifting or cam type lifting structure, and can realize the rapid lifting of the rolling bed in a limited space.
Description
Technical Field
The utility model relates to a lifting rolling machine, belongs to the technical field of conveying and positioning forming stations of a white car body welding line, and particularly relates to a servo lifting rolling machine.
Background
At present, in the working procedures of conveying and positioning and forming a white car body welding line in China, a lifting rolling machine is generally used for rapid automatic production and processing of the car body, and the lifting rolling machine in the prior art mainly generally adopts a common motor to drive a mechanical swing rod type lifting or cam type lifting, so that the structure is complex, the maintenance is inconvenient, and the occupied bottom space is large.
For example, in chinese patent specification CN103662695a, a high-speed rolling machine is disclosed, which includes a base, wherein a vertical lifting mechanism is provided on the base, a supporting surface is formed at the upper end of the vertical lifting mechanism, a horizontal conveying mechanism is provided on the supporting surface, the horizontal conveying mechanism is configured with a ball screw driving mechanism, the vertical lifting mechanism includes a lifting motor, a lifting arm, a travel switch and a limit structure, the travel switch is disposed on the lifting motor, the lifting motor is disposed on the base, a lifting rod of the lifting motor is connected with the lifting arm, and the limit structure is disposed at the lower end of the lifting arm. The lifting structure has the following technical problems: 1. when different types of vehicle bodies are required to be continuously processed, the different types of vehicle bodies need different height stations, so that the roller bed needs to be quickly lifted to different heights, and the lifting arm needs to be replaced in the utility model, so that a large amount of replacing time is consumed, and the structural design of the lifting arm is not facilitated; 2. the lifting mechanism of the utility model occupies a larger area, so that under the working condition of limited field, a pit is required to be dug in a factory building for installing the lifting mechanism, thereby being unfavorable for the construction of the rolling machine production line.
Similarly, in chinese patent specification CN103738660B, a lifting rolling machine is disclosed, which includes a sled frame, a transmission frame, a lifting device and a base sequentially disposed from top to bottom. The lifting device consists of at least one crank-rocker mechanism, wherein the crank-rocker mechanism comprises a supporting plate, a swinging arm, a swinging block, a rotating shaft, a crank, a connecting rod and a bearing seat. The backup pad is connected with the drive frame sliding, installs the axis of rotation on the bearing frame. The swing arm is hinged with the support plate and is fixed on the rotating shaft together with the swing block, and the connecting rod is respectively hinged with the crank and the swing block. The crank can rotate around the driving shaft, and when the crank rotates around the driving shaft, the swing arm can swing, so that the supporting plate is displaced in the vertical direction, and the lifting of the rolling machine is realized. The utility model also has the following technical problems: 1. when different types of vehicle bodies are required to be continuously processed, the different types of vehicle bodies need different height stations, so that the roller bed needs to be quickly lifted to different heights, and the lifting arm needs to be replaced in the utility model, so that a large amount of replacing time is consumed, and the structural design of the lifting arm is not facilitated; 2. the lifting mechanism of the utility model occupies a larger area, so that under the working condition of limited field, a pit is required to be dug in a factory building for installing the lifting mechanism, thereby being unfavorable for the construction of the rolling machine production line.
The utility model patent specification CN 202379659U also discloses a high-speed roller bed lifting mechanism which consists of a base frame, a lifting driving unit and a lifting upper frame, and is characterized in that the base frame is fixedly arranged, and a driving motor is fixedly arranged on the base frame; the first crank shaft and the second crank shaft which are arranged in parallel are respectively and fixedly arranged on the base frame through bearing blocks, and synchronous toothed belt transmission mechanisms are respectively arranged between the first crank shaft and the driving motor and between the second crank shaft and the driving motor; the two ends of the first crank shaft and the second crank shaft are fixedly connected with a crank respectively, the end parts of the crank are provided with support bearings, and the upper frame takes each support bearing as a support piece; guide assemblies are respectively arranged at four corner positions of the upper frame. The utility model has the following technical problems: 1. when different types of vehicle bodies are required to be continuously processed, the different types of vehicle bodies need different height stations, so that the roller bed needs to be quickly lifted to different heights, and the lifting arm needs to be replaced in the utility model, so that a large amount of replacing time is consumed, and the structural design of the lifting arm is not facilitated; 2. the lifting mechanism of the utility model occupies a larger area, so that under the working condition of limited field, a pit is required to be dug in a factory building for installing the lifting mechanism, thereby being unfavorable for the construction of the rolling machine production line.
Disclosure of Invention
The utility model aims to provide a servo lifting rolling machine which is simple in structure, convenient to maintain, small in occupied space and flexible and variable in lifting stroke.
In order to solve the technical problems, the utility model provides the following technical scheme:
the utility model provides a servo lifting rolling machine, which comprises a horizontal conveying rolling machine and a servo lifting device, wherein the servo lifting device is used for lifting the horizontal conveying rolling machine along the vertical direction; the servo lifting device comprises a vertical base, a servo motor, a guide rail sliding block mechanism, a ball screw and a lifting bracket; the guide rail sliding block mechanism and the ball screw are fixedly connected with the vertical base along the vertical direction; the fixed end of the servo motor is fixedly connected with the vertical base, and the output end of the servo motor is connected with the driving screw of the ball screw; the lifting bracket is connected with a sliding block of the guide rail sliding block mechanism and a driven nut of the ball screw; the horizontal conveying roller bed is fixedly connected with the lifting bracket.
As a preferable technical scheme of the utility model, the output end of the servo motor is connected with the driving screw rod of the ball screw through a synchronous toothed belt for transmission.
As a preferable technical scheme of the utility model, the fixed end of the servo motor is fixedly connected with the tensioning slide plate; the tensioning sliding plate is connected with the vertical base in a sliding fit manner along the horizontal direction; the distance between the central axis of the servo motor and the central axis of the ball screw is adjustable.
As an optimized technical scheme of the utility model, the vertical base is also provided with a falling-preventing mechanism, and the lifting bracket is provided with a limiting block matched with the falling-preventing mechanism
As a preferable technical scheme of the utility model, the anti-falling mechanism comprises an electromagnet, a mounting seat, a compression spring and a movable supporting block; the mounting seat is fixedly connected with the vertical base; the movable supporting block is hinged with the mounting seat; one end of the compression spring is fixedly connected with the movable supporting block, and the other end of the compression spring is fixedly connected with the mounting seat; the electromagnet is fixedly connected to the mounting seat and is arranged opposite to the movable supporting block.
As a preferable technical scheme of the utility model, a plurality of anti-falling mechanisms are provided.
As a preferable technical scheme of the utility model, the vertical base is provided with a plurality of travel switches.
The beneficial effects achieved by the utility model are as follows: the utility model has simple structure and convenient installation and debugging, effectively reduces the occupied area of the lifting mechanism of the rolling bed by avoiding using a mechanical swing rod type lifting or cam type lifting structure, and can realize the rapid lifting of the rolling bed in a limited space; according to the utility model, the accurate and stable lifting of the rolling machine is realized by designing the servo motor to be matched with the guide rail sliding block mechanism and the ball screw; meanwhile, through designing anti-falling mechanisms with different heights on the vertical base according to different working conditions, the rolling machine can be quickly adjusted to the designated height according to different requirements, and a crank or a lifting rod of the lifting mechanism is not required to be redesigned; according to the utility model, the lifting stability of the rolling machine in the vertical direction is effectively ensured by designing the synchronous toothed belt to be matched with the tensioning sliding plate.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model.
In the drawings:
FIG. 1 is a front view of a servo lift roller bed according to an embodiment of the present utility model;
FIG. 2 is a left side view of a servo lift roller bed according to an embodiment of the present utility model;
FIG. 3 is a top view of a servo lift roller bed according to an embodiment of the present utility model;
FIG. 4 is a schematic view of a servo lifting device of a servo lifting roller machine according to an embodiment of the present utility model;
FIG. 5 is a schematic diagram of a drop prevention mechanism of a servo lifting roller machine according to an embodiment of the present utility model (the dotted installation seat is in a limited state, i.e. the electromagnet is not energized);
FIG. 6 is a schematic view of a synchronous toothed belt of a servo lifting roller machine according to an embodiment of the present utility model;
reference numerals in the drawings: the device comprises a horizontal conveying roller machine, a 2-servo lifting device, a 3-travel switch, a 21-vertical base, a 22-servo motor, a 23-synchronous toothed belt, a 24-guide rail sliding block mechanism, a 25-ball screw, a 26-lifting bracket, a 27-anti-falling mechanism, 271-electromagnets, 272-mounting seats, 273-compression springs, 274-movable supporting blocks, 28-limiting blocks and 29-tensioning sliding plates.
Detailed Description
The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.
As can be seen from the drawings of the specification of the present utility model, the servo lifting roller machine of the present utility model comprises a horizontal conveying roller machine 1 and a servo lifting device 2 for lifting the horizontal conveying roller machine 1 in the vertical direction, wherein the servo lifting device 2 comprises at least 2 servo lifting devices and is symmetrically arranged relative to the central axis of the horizontal conveying roller machine 1; each servo-lift device 2 comprises a vertical base 21, a servo motor 22, a rail-slider mechanism 24, a ball screw 25 and a lift bracket 26; the guide rail of the guide rail sliding block mechanism 24 and the screw of the ball screw 25 are fixedly connected with the vertical base 21 along the vertical direction; the fixed end of the servo motor 22 is connected with the vertical base 21, and the output end of the servo motor 22 is connected with the driving screw of the ball screw 25; the lifting bracket 26 is connected with a slide block of the guide rail slide block mechanism 24 and a driven nut of the ball screw 25; the horizontal conveying roller machine 1 is fixedly connected with a lifting bracket 26; the vertical base 21 is also provided with a falling-preventing mechanism 27, the lifting bracket 26 is provided with a limiting block 28 which is used for being matched with the falling-preventing mechanism 27, and the output end of the servo motor 22 is connected with the driving screw of the ball screw 25 through a synchronous toothed belt for transmission; the fixed end of the servo motor 22 is fixedly connected with the tensioning slide plate 29; the tensioning slide plate 29 is connected with the vertical base 21 in a sliding fit manner along the horizontal direction, and a plurality of waist-shaped holes are formed in the tensioning slide plate 29; the distance between the central axis of the servo motor 22 and the central axis of the ball screw 25 is adjustable; the anti-falling mechanism 27 comprises an electromagnet 271, a mounting seat 272, a compression spring 273 and a movable supporting block 274; the mounting seat 272 is fixedly connected with the vertical base 21; the movable support block 274 is hinged with the mounting seat 272; one end of the compression spring 273 is fixedly connected with the movable supporting block 274, and the other end is fixedly connected with the mounting seat 272; the electromagnet 271 is fixedly connected to the mounting seat 272 and is arranged opposite to the movable supporting block 274, when the electromagnet 271 is electrified, the movable supporting block 274 is adsorbed to shrink, so that the lifting bracket 26 can accurately lift without interference, when the lifting bracket 26 is lifted in place, the travel switch 3 is triggered to power off the electromagnet 271, the movable supporting block 274 returns under the action of the compression spring 273, the whole lifting bracket 26 is supported by the limiting block 28, and a secondary protection effect is achieved under the condition that the motor is locked; the anti-falling mechanism 27 can be arranged in a plurality of ways or one way, and the installation height of the anti-falling mechanism can be adjusted in real time according to the working condition; the vertical base 21 is provided with a plurality of travel switches 3.
When the utility model is used, the servo lifting mechanism 2 drives the ball screw 25 to rotate through the synchronous toothed belt 23 by the servo motor 22, and drives the lifting bracket 26 to move up and down in the direction of the guide rail sliding block mechanism 24; the anti-falling mechanism 27 stretches out to carry out mechanical secondary protection when reaching a preset position; the whole lifting mechanism is arranged on the vertical base 21; the standard horizontal conveying roller machine 1 is supported by a front servo lifting device 2 and a rear servo lifting device 2, and the two servo lifting devices are driven by respective servo motors to synchronously lift, so that the lifting purpose of the standard horizontal conveying roller machine is achieved.
The anti-falling mechanism 27 consists of an installation seat 272, an electromagnet 271, a spring 273 and a movable supporting block 274; in the lifting process, the electromagnet is electrified to enable the movable supporting block to be in a retracted state, when the rolling machine reaches a preset position, the electromagnet is powered off and the movable supporting block is enabled to extend out to support the rolling machine by means of spring force, and the secondary protection function is achieved under the condition that the motor is locked.
Finally, it should be noted that: the above is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that the present utility model is described in detail with reference to the foregoing embodiments, and modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (3)
1. The utility model provides a servo lift rolls bed, includes horizontal conveying roll bed (1), its characterized in that: the device also comprises a servo lifting device (2) for lifting the horizontal conveying roller bed (1) along the vertical direction; the servo lifting device (2) comprises a vertical base (21), a servo motor (22), a guide rail sliding block mechanism (24), a ball screw (25) and a lifting bracket (26); the guide rail sliding block mechanism (24) and the ball screw (25) are fixedly connected with the vertical base (21) along the vertical direction; the fixed end of the servo motor (22) is connected with the vertical base (21), and the output end of the servo motor (22) is connected with the driving screw of the ball screw (25); the lifting bracket (26) is connected with a sliding block of the guide rail sliding block mechanism (24) and a driven nut of the ball screw (25); the horizontal conveying roller machine (1) is fixedly connected with the lifting bracket (26); the vertical base (21) is also provided with a falling prevention mechanism (27), and the lifting bracket (26) is provided with a limiting block (28) matched with the falling prevention mechanism (27); the anti-falling mechanism (27) comprises an electromagnet (271), a mounting seat (272), a compression spring (273) and a movable supporting block (274); the mounting seat (272) is fixedly connected with the vertical base (21); the movable supporting block (274) is hinged with the mounting seat (272); one end of the compression spring (273) is fixedly connected with the movable supporting block (274), and the other end of the compression spring is fixedly connected with the mounting seat (272); the electromagnet (271) is fixedly connected to the mounting seat (272) and is arranged opposite to the movable supporting block (274); the electromagnet is electrified to enable the movable supporting block to be in a retracted state in the lifting process, and when the rolling machine reaches a preset position, the electromagnet is powered off and depends on spring force to enable the movable supporting block to extend out to support the rolling machine, so that a secondary protection effect is achieved under the condition that the motor is locked; the output end of the servo motor (22) is connected with the driving screw rod of the ball screw (25) through a synchronous toothed belt for transmission; the fixed end of the servo motor (22) is fixedly connected with the tensioning sliding plate (29); the tensioning sliding plate (29) is connected with the vertical base (21) in a sliding fit manner along the horizontal direction; the distance between the central axis of the servo motor (22) and the central axis of the ball screw (25) is adjustable.
2. A servo lifting roller according to claim 1, characterized in that: the number of the anti-falling mechanisms (27) is plural.
3. A servo lifting roller according to claim 1, characterized in that: a plurality of travel switches (3) are arranged on the vertical base (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710346290.9A CN107161598B (en) | 2017-05-17 | 2017-05-17 | Servo lifting rolling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710346290.9A CN107161598B (en) | 2017-05-17 | 2017-05-17 | Servo lifting rolling machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107161598A CN107161598A (en) | 2017-09-15 |
| CN107161598B true CN107161598B (en) | 2023-06-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710346290.9A Active CN107161598B (en) | 2017-05-17 | 2017-05-17 | Servo lifting rolling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107161598B (en) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2539732Y (en) * | 2002-03-27 | 2003-03-12 | 涂翼民 | Falling-proof device for lift equipment |
| CN203021613U (en) * | 2012-12-31 | 2013-06-26 | 郑州科创电子有限公司 | Quench machining tool |
| CN204097029U (en) * | 2014-08-05 | 2015-01-14 | 无锡普天铁心股份有限公司 | Companion ladder lockable mechanism |
| CN104370067B (en) * | 2014-09-11 | 2016-09-07 | 安徽瑞祥工业有限公司 | A kind of lifting High-speed roller machine conveying mechanism |
| EP3138807A1 (en) * | 2015-09-04 | 2017-03-08 | Siemens Aktiengesellschaft | Lifting device |
| CN106125948A (en) * | 2016-08-30 | 2016-11-16 | 吴中区横泾博尔机械厂 | The keyboard button framework feed mechanism of keyboard of notebook computer structural riveting machine |
| CN106276704A (en) * | 2016-10-24 | 2017-01-04 | 中国兵器装备集团自动化研究所 | A kind of vehicle-mounted Two axle drive lifting device |
| CN207090286U (en) * | 2017-05-17 | 2018-03-13 | 东风设备制造有限公司 | A kind of servo lifts rolling bed |
-
2017
- 2017-05-17 CN CN201710346290.9A patent/CN107161598B/en active Active
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| CN107161598A (en) | 2017-09-15 |
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