CN211371820U

CN211371820U - Lifting device for photocopier

Info

Publication number: CN211371820U
Application number: CN201922386386.5U
Authority: CN
Inventors: 吴天红; 付艳
Original assignee: Xingying Digital Technology Shenzhen Co ltd
Current assignee: Xingying Digital Technology Shenzhen Co ltd
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-08-28
Anticipated expiration: 2029-12-25

Abstract

The utility model provides a lifting device for a photocopier, which comprises a servo motor, a speed reducer, a transmission mechanism, a guide sliding mechanism and a safety protection mechanism. The driving mechanism is composed of a servo motor and a speed reducer, the servo motor can ensure the precision and the efficiency of the whole device in the operation process, and the speed reducer reduces the rotating speed of the servo motor, so that the precision can be further improved, and meanwhile, the working load of the whole driving mechanism can be increased. The safety protection mechanism is arranged on the lifting device of the photocopier, and the safety protection mechanism monitors the running state of the device by using the photoelectric sensor, so that the device can be ensured to be in a controllable range in the running process, and the safety of the device and the whole system using the device is guaranteed. The locking device is arranged on the positioning component, so that the positioning stability of the device in use can be further improved. The utility model provides a photocopier elevating gear can solve the problem of efficiency, precision, security and stability when photocopier elevating system used.

Description

Lifting device for photocopier

Technical Field

The utility model belongs to the technical field of automatic photocopy and specifically relates to indicate a photocopier elevating gear.

Background

Along with the rapid development of the industry in China, the mechanical industry also presents a positive and upward development trend. The continuous improvement of the automation degree of various mechanical devices also causes the update of a plurality of traditional devices. In the field of elevators, various new structures are also continuously replacing the original hydraulic or pneumatic transmission devices.

The elevator can be divided according to the structure: scissor lifts, lead screw lifts, crank arm lifts, cylinder direct-lift type lifts, rail chain lifts, cable hydraulic lifts, and the like. At present, the precision of a screw rod elevator is higher, but the lifting efficiency is limited, the flexibility is not high enough, and the phenomenon of wire sliding can occur after long-time use. The scissor lift is high in lifting efficiency during working, but is insufficient in precision, and occupies a large space during movement. The load of the cylinder and the hydraulic lifter is large, but the accuracy is insufficient.

In the field of photocopiers, the lifting speed of a photocopying mechanism determines the printing efficiency, and simultaneously, the printing quality and the precision and the safety in the printing process are ensured. Therefore, the problems of efficiency, precision and safety of the lifting mechanism need to be solved during the operation of the photocopying mechanism.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: to provide a lifting device for a photocopier which can give consideration to efficiency, accuracy and safety

In order to solve the technical problem, the utility model discloses a technical scheme be: the utility model provides a photocopier elevating gear, includes servo motor, speed reducer, drive mechanism, direction slide mechanism and safety protection mechanism, servo motor connect in the speed reducer, the speed reducer connect in drive mechanism, drive mechanism connect in direction slide mechanism, safety protection mechanism install in direction slide mechanism.

Further, drive mechanism includes the transfer line, links a bearing, leading wheel, drive chain, first ball bearing and second ball bearing, the transfer line connect in the speed reducer, the transfer line is connected two at least and is linked a bearing, a leading wheel is respectively connected at the transfer line both ends, the leading wheel has two guide ways, the first end of a drive chain is connected respectively to the guide way, drive chain follows first ball bearing and second ball bearing slide.

Further, the direction slide mechanism includes connecting plate, slide bar, linear bearing and locating component, the connecting plate connect in drive chain's second end, the connecting plate connect in the one end of slide bar, linear bearing install in the locating component, the slide bar run through in linear bearing, the slide bar is followed the gliding direction of linear bearing with the direction that drive chain second end moved is unanimous.

Further, safety protection mechanism includes first photoelectric switch, second photoelectric switch, third photoelectric switch and tablet, the tablet install in the connecting plate, first photoelectric switch install in the down safe limit position of slide bar, second photoelectric switch install in the original point reference position of slide bar, third photoelectric switch install in the up safe limit position of slide bar.

Further, the transmission chain is a double-row chain.

Further, the speed reducer is connected to the middle of the transmission rod.

Further, the slide bar penetrates through the linear bearings, and the number of the linear bearings is at least two.

Furthermore, a locking device is installed on the positioning assembly.

Further, the locking device is an ultra-thin cylinder.

Furthermore, a lubricating oil replenishing port is arranged on the guide sliding mechanism.

The beneficial effects of the utility model reside in that: the utility model provides a photocopier elevating gear, actuating mechanism comprise servo motor and speed reducer, and servo motor can ensure the precision and the efficiency of whole device operation in-process, and the speed reducer reduces servo motor's rotational speed, and consequently the precision can obtain further promotion, can increase whole actuating mechanism's work load simultaneously. The safety protection mechanism is arranged on the lifting device of the photocopier, so that the device can be ensured to be in a controllable range in the operation process, and the safety of the device and the whole system using the device is ensured. To sum up, the utility model provides a photocopier elevating gear can solve the problem of elevating system's efficiency, precision and security.

Drawings

The specific structure of the present invention is detailed below with reference to the accompanying drawings:

fig. 1 is a perspective view of the present invention;

FIG. 2 is a partial enlarged view of the first embodiment of the present invention;

fig. 3 is a second partial enlarged view of the present invention.

Detailed Description

In order to explain technical contents, structural features, and objects and effects of the present invention in detail, the following description is given in conjunction with the embodiments and the accompanying drawings.

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

Referring to fig. 1 and 3, the present invention provides a lifting device for a photocopier, which comprises a driving mechanism, a transmission mechanism, a guiding and sliding mechanism and a safety protection mechanism. The driving mechanism adopts a servo motor 11 and a speed reducer 12, the movement precision of the whole device is controlled by controlling the rotation of the servo motor 11, and the running speed of the whole device can be controlled by adjusting the running speed of the servo motor 11, namely the working efficiency is adjustable. The speed reducer 12 reduces the rotation speed of the servo motor, so that the precision can be further improved, and the working load of the whole driving mechanism can be increased. The speed reducer 12 is connected with a transmission mechanism, the transmission mechanism is connected with a guide sliding mechanism, and the transmission mechanism converts the rotation action of the servo motor 11 and the speed reducer 12 into the lifting action of the guide sliding mechanism. The guide sliding mechanism is connected with the printing assembly, and then the lifting function during printing is realized. In the automation field, security when guarantee equipment operation is crucial, consequently, the utility model discloses the safety protection mechanism has been installed to the structure on direction slide mechanism for ensure the security of device at the operation in-process, avoid the device operation in-process to surmount the station, cause the damage to other mechanisms in coordination, increased device self and used the entire system's of this device security.

The transmission mechanism comprises a transmission rod 21, a connecting seat bearing 22, a guide wheel 23, a transmission chain 24, a first ball bearing 25 and a second ball bearing 26. Wherein the transmission rod 21 is connected with a speed reducer 12 in the driving mechanism, and the speed reducer 12 drives the transmission rod 21 to rotate. The transmission rod 21 is connected with the connecting seat bearings 22, in order to guarantee the stability of the transmission rod 21 during rotation, the transmission rod 21 is at least connected with the two connecting seat bearings 22, and the rotating axes of the two connecting seat bearings 22 are on the same line. The transmission rod 21 is connected with two guide wheels 23, the two guide wheels 23 are respectively arranged at two ends of the transmission rod 21, and the guide wheels 23 are provided with two guide grooves with the same inner diameter. Each guide groove is connected with one end of one transmission chain 24, so that when the servo motor 11 rotates, the four transmission chains 24 are driven to synchronously move in the same size. The drive chain 24 slides around the first and

second ball bearings

25 and 26, and the first and

second ball bearings

25 and 26 function to change the direction of movement of the drive chain 24, which can be connected to the guide slide mechanism.

The guiding sliding mechanism comprises a connecting plate 31, a sliding rod 32, a linear bearing 33 and a positioning component 34. The driving chain 24 has one end connected to the guide slot and the other end connected to the connecting plate 31, so that the connecting plate 31 can move with the rotation of the guide wheel 23. One end of the slide rod 32 is connected to the connecting plate 31, the slide rod 32 penetrates through the linear bearing 33 and can slide along the linear bearing 33, and the linear bearing 33 is installed in the positioning assembly 34. As can be seen from the above, the slide rod 32 can slide along the linear bearing 33 in the positioning assembly 34 under the driving of the servo motor 11, and the moving direction of the end of the transmission chain 24 connected to the connecting plate 31 is the same as the moving direction of the slide rod 32.

The safety protection mechanism comprises a first photoelectric switch 41, a second photoelectric switch 42, a third photoelectric switch 43 and an induction plate 44. The sensor plate 44 is mounted on the connecting plate 31 of the guide slide mechanism, the first photoelectric switch 41 is mounted at the lower safety limit position of the slide bar 32, the second photoelectric switch 42 is mounted at the origin reference position of the slide bar 32, and the third photoelectric switch 43 is mounted at the upper safety limit position of the slide bar 32. The sliding rod 32 and the connecting plate 31 move synchronously, the induction plate 44 and the photoelectric switch generate induction signals when approaching, when the connecting plate 31 is at a descending safety limit position, the first photoelectric switch 41 and the induction plate 44 immediately generate signals for stopping operation, the device stops operating, and the parts of the device are prevented from exceeding a station to damage the device and a system using the device. Similarly, when the connection board 31 is at the upper safety limit position, the third photoelectric switch 43 and the sensing board 44 immediately generate a signal for stopping the operation, and the device stops the operation. When the connection plate 31 is at the origin reference position, the second photoelectric switch 42 generates a normal operation signal, and at the same time, performs position correction for the mechanism itself, ensuring the operation accuracy of the apparatus.

From the above description, the beneficial effects of the present invention are: the driving mechanism is composed of a servo motor and a speed reducer, the servo motor can ensure the precision and the efficiency of the whole device in the operation process, and the speed reducer reduces the rotating speed of the servo motor, so that the precision can be further improved, and meanwhile, the working load of the whole driving mechanism can be increased. The safety protection mechanism is arranged on the lifting device of the photocopier, so that the device can be ensured to be in a controllable range in the operation process, and the safety of the device and the whole system using the device is ensured. To sum up, the utility model provides a photocopier elevating gear can solve the problem of elevating system's efficiency, precision and security.

Example 1

In order to ensure the utility model provides a photocopier elevating gear's security and stability when moving further promote, the utility model discloses some improvement measures have still been provided to increase the fail safe nature when device moves.

The utility model provides an among the photocopier elevating gear, the motion of drive chain 24 in drive mechanism is comparatively frequent, and difficult exemption has wearing and tearing fracture even after long-time use, for the emergence that reduces this kind of condition, reduces prosthetic frequency, and drive chain 24 can adopt double chain, the pulling force distribution when reducing the transmission to it is more firm durable.

The utility model provides an among the photocopier elevating gear, speed reducer 12 drives transfer line 21 and rotates, for further simplifying the mechanism, can install speed reducer 12 in the middle part of transfer line 21, reduces occupation space alone when speed reducer 12 is located one end, and when speed reducer 12 is located the middle part operation of transfer line 21, moment balance has reduced the vibration of device.

The utility model provides an among the photocopier elevating gear, slide bar 32 runs through in linear bearing 33, and slide bar 32 can follow linear bearing 33 directional slip. In order to increase the stability of the slide bar 32 when sliding, the number of the linear bearings 33 may be one or more, and when the number of the linear bearings 33 is two or more, the stability of the slide bar 32 when directionally sliding in the linear bearings 33 is increased.

The utility model provides a photocopier elevating gear is difficult to avoid having wearing and tearing at long-time operation in-process, and direction slide mechanism can cause wearing and tearing to slide bar 32 and linear bearing 33 at long-time upper and lower slip in-process, and then the reduction stability. Therefore, the utility model provides a device is provided with lubricating oil and supplyes the mouth on direction slide mechanism, the ox oil nozzle promptly. The lubricating oil is periodically added by supplementing the lubricating oil, so that the abrasion of the device is reduced, and the failure rate is reduced.

Example 2

The utility model provides a photocopier elevating gear promotes the back with the printing element, need fix a position, and then changes the printing material or carries out other operations, when printing mechanism is in the promotion position, can be fixed with the printing element, increases the stability of location.

The utility model discloses the structure has set up locking device 50 on locating component 34, promotes the position back that needs the location when printing unit, and locking device 50 further retrains the printing unit, has ensured the stability of location. In this embodiment, the locking device 50 is an ultra-thin cylinder, and the printing element is positioned and locked by the expansion and contraction of the ultra-thin cylinder.

To sum up, the utility model provides a photocopier elevating gear, actuating mechanism comprise servo motor and speed reducer, and servo motor can ensure the precision and the efficiency of whole device operation in-process, and the speed reducer reduces servo motor's rotational speed, therefore the precision can obtain further promotion, can increase whole actuating mechanism's work load simultaneously. The safety protection mechanism is arranged on the lifting device of the photocopier, and the safety protection mechanism monitors the running state of the device by using the photoelectric sensor, so that the device can be ensured to be in a controllable range in the running process, and the safety of the device and the whole system using the device is guaranteed. The locking device is arranged on the positioning component, so that the positioning stability of the device in use can be further improved. In view of the above, the present invention provides a lifting device for a photocopier, which can solve the problems of efficiency, accuracy and safety of the lifting mechanism.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A lifting device for a photocopier is characterized in that: including servo motor, speed reducer, drive mechanism, direction slide mechanism and safety protection mechanism, servo motor connect in the speed reducer, the speed reducer connect in drive mechanism, drive mechanism connect in direction slide mechanism, safety protection mechanism install in direction slide mechanism.

2. The photocopier lifting device of claim 1, wherein: the transmission mechanism comprises a transmission rod, a connecting seat bearing, a guide wheel, a transmission chain, a first ball bearing and a second ball bearing, the transmission rod is connected with the speed reducer, the transmission rod is connected with at least two connecting seat bearings, two ends of the transmission rod are respectively connected with the guide wheel, the guide wheel is provided with two guide grooves, the guide grooves are respectively connected with the first end of the transmission chain, and the transmission chain is arranged along the sliding of the first ball bearing and the second ball bearing.

3. The photocopier lifting device of claim 2, wherein: the guide sliding mechanism comprises a connecting plate, a sliding rod, a linear bearing and a positioning assembly, the connecting plate is connected to the second end of the transmission chain, the connecting plate is connected to one end of the sliding rod, the linear bearing is installed in the positioning assembly, the sliding rod penetrates through the linear bearing, and the sliding direction of the linear bearing is consistent with the moving direction of the second end of the transmission chain.

4. The photocopier lifting device of claim 3, wherein: safety protection mechanism includes first photoelectric switch, second photoelectric switch, third photoelectric switch and tablet, the tablet install in the connecting plate, first photoelectric switch install in the down safe extreme position of slide bar, second photoelectric switch install in the initial point reference position of slide bar, third photoelectric switch install in the safe extreme position of going upward of slide bar.

5. The photocopier lifting device of claim 2, wherein: the transmission chain is a double-row chain.

6. The photocopier lifting device of claim 2, wherein: the speed reducer is connected to the middle of the transmission rod.

7. The photocopier lifting device of claim 3, wherein: the number of the linear bearings is at least two.

8. The photocopier lifting device of claim 3, wherein: and the positioning assembly is provided with a locking device.

9. The photocopier lifting device of claim 8, wherein: the locking device is an ultrathin cylinder.

10. The photocopier lifting device of any one of claims 1-9, wherein: and a lubricating oil replenishing port is arranged on the guide sliding mechanism.