CN210390446U

CN210390446U - Net rack lifting device of printing machine

Info

Publication number: CN210390446U
Application number: CN201920873833.7U
Authority: CN
Inventors: 徐小平
Original assignee: Jiangyin City Yongle Printing Co ltd
Current assignee: Jiangyin City Yongle Printing Co ltd
Priority date: 2019-06-12
Filing date: 2019-06-12
Publication date: 2020-04-24
Anticipated expiration: 2029-06-12

Abstract

The utility model discloses a net rack lifting device of a printing machine, which belongs to the technical field of the printing machine and comprises a bottom plate, wherein the left side and the right side of the top of the bottom plate are fixedly connected with a connecting plate, a power mechanism is arranged at the top of the bottom plate, a master controller is arranged at the outer side wall of the connecting plate, a gearbox is electrically input and connected with the master controller, the rotating speed of a motor is controlled through the gearbox, the rotating direction of the motor is controlled through the master controller, the motor drives a driving wheel to rotate, the driving wheel drives a driven wheel to rotate, then a second human-shaped gear rotates a second human-shaped gear, a connecting seat in a threaded rod is conveniently lifted or lowered through a rotating threaded rod of the second human-shaped gear, so that the lifting of the net rack of the printing machine can be adjusted, meanwhile, the threaded rod, the condition of the shaking of the net rack of the printing machine is avoided, and the practicability of the device is improved.

Description

Net rack lifting device of printing machine

Technical Field

The utility model relates to a lithography apparatus technical field specifically is a rack elevating gear of printing machine.

Background

The printing machine is a machine for printing characters and images, and the modern printing machine generally comprises mechanisms such as plate loading, inking, stamping, paper conveying, printing net rack and the like, and the working principle of the printing machine is as follows: the characters and images to be printed are made into printing plate, then it is mounted on the printing machine, then the ink is coated on the position of the characters and images on the printing plate by manual or printing machine, then it is directly or indirectly transferred onto the paper or other printing material (such as textile, metal plate, plastics, leather, wood plate, glass and ceramic) on the net frame of the printing machine, so that the printed matter identical to the printing plate can be reproduced. The invention and the development of the printing machine play an important role in the propagation of human civilization and culture, and the existing net rack lifting device of the printing machine has poor lifting synchronization performance and unstable lifting, so that the net rack is unstable, the product quality is influenced, and the practicability is not strong.

SUMMERY OF THE UTILITY MODEL

This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and in the abstract of the specification and the title of the application to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplifications or omissions are not intended to limit the scope of the invention.

The utility model discloses in view of above-mentioned and/or current printing machine rack goes up and down to lease the problem that exists in giving, provided the utility model.

Therefore, the utility model aims at providing a rack elevating gear of printing machine, the rack elevating gear lift synchronism that can solve current printing machine can be poor, goes up and down steadily inadequately, leads to the rack not steady, influences product quality, problem that the practicality is not strong.

For solving the technical problem, according to the utility model discloses an aspect, the utility model provides a following technical scheme:

a screen frame lifting device of a printing press, comprising: the left side and the right side of the top of the bottom plate are fixedly connected with the connecting plates, threaded rods are respectively installed on the side walls of the inner cavities of the two connecting plates, a first human-shaped gear is sleeved on the outer side wall of each threaded rod, the power mechanism is installed on the top of the bottom plate and consists of an installation frame, a motor, a gearbox, a driving wheel, a driven wheel, a connecting rod and a second human-shaped gear, the installation frame is screwed on the top of the bottom plate, the motor and the gearbox are installed on the side walls of the inner cavities of the installation frame, a motor output shaft is connected with the gearbox through a coupler, the end part of the motor output shaft is sleeved with the driving wheel, the driving wheel is rotatably connected with the driven wheel, the driven wheel is sleeved on the outer side wall of the connecting rod, the two end parts of, the main controller is installed in the connecting plate lateral wall, gearbox electrical property input connection the main controller.

As a net rack lifting device of printing machine an optimal scheme, wherein: two the equal rigid coupling in threaded rod top has the connecting seat, two the threaded rod with connecting plate top junction all is provided with the stopper, and two one side rigid coupling is looked to the threaded rod has the connecting rod.

As a net rack lifting device of printing machine an optimal scheme, wherein: the guide frames are fixed on the left side and the right side of the top of the bottom plate, the two end portions of the connecting rod penetrate through the guide frames, and the two end portions of the connecting rod extend to the outer side wall of the connecting plate.

As a net rack lifting device of printing machine an optimal scheme, wherein: the bottom of the bottom plate is provided with a plurality of rollers which are self-locking caster wheels.

Compared with the prior art: through the slew velocity of gearbox control motor, and simultaneously, direction of rotation through master controller control motor, the motor drives the action wheel and rotates, the action wheel drives from the driving wheel rotation, then two messenger people type gear of people type gear rotate, along with rotating through a rotation threaded rod of people type gear, conveniently promote or descend the connecting seat in the threaded rod, thereby can adjust the lift of printing machine rack, and simultaneously, connect through the connecting rod between the threaded rod, make the threaded rod skew not take place in the motion, the stability of threaded rod when going up and down has been improved, the condition of having avoided printing machine rack shake takes place, the practicality of device has been increased, it is poor to have solved current printing machine's rack elevating gear lift synchronization performance, it is steady inadequately to go up and down, lead to the rack unstable, influence product quality, the not strong problem of practicality.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the present invention will be described in detail with reference to the accompanying drawings and detailed embodiments, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor. Wherein:

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a part of the structure of the present invention;

fig. 3 is a schematic view of the structure of part a of the present invention.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways than those specifically described herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

Next, the present invention will be described in detail with reference to the schematic drawings, and in the detailed description of the embodiments of the present invention, for convenience of explanation, the sectional view showing the device structure will not be enlarged partially according to the general scale, and the schematic drawings are only examples, and should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.

In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

The utility model provides a rack elevating gear of printing machine connects through the connecting rod between the threaded rod for the threaded rod does not take place the skew in the motion, has improved the stability of threaded rod when going up and down, has avoided the condition of printing machine rack shake to take place, has increased the practicality of device, please refer to fig. 1, include, bottom plate 100, connecting plate 200, power unit 300 and master controller 400.

Referring to fig. 1 and 2, the bottom plate 100 has a guide frame 110 and rollers 120, specifically, the bottom plate 100 is a rectangular installation plate made of a metal alloy material, the guide frame 110 is welded on both sides of the top of the outer side wall of the bottom plate 100, the guide frame 110 is used for connecting the connecting rod 360 and plays a role in guiding and supporting the connecting rod 360, the bottom of the outer side wall of the bottom plate 100 is connected with four rollers 120 through fastening screws and threads, the four rollers 120 are self-locking casters, and the rollers 120 are used for moving equipment, so that the use of an operator is facilitated;

referring to fig. 1 and 2, the connecting plate 200 has a threaded rod 210, a connecting seat 211, a first human-shaped gear 220, a limiting block 230 and a connecting rod 240, the connecting plate 200 is installed on the top of the bottom plate 100, specifically, the connecting plate 200 is welded on the left and right sides of the top of the outer side wall of the bottom plate 100, the threaded rod 210 is rotatably connected to the inner side wall of the connecting plate 200, the threaded rod 210 is used for installing the connecting seat 211, the first human-shaped gear 220 and the limiting block 230, the outer side wall of the threaded rod 210 is sleeved with the first human-shaped gear 220, the inner side wall of the first human-shaped gear 220 is provided with threads matched with the threaded rod 210, the first human-shaped gear 220 is used for matching with the second human-shaped gear 361 to drive the threaded rod 210 to move up and down, the connecting seat 211 is welded to the top of, the stability of the net rack is improved, the joint of the threaded rod 210 and the connecting plate 200 is sleeved with a limiting block 230, the limiting block 230 is positioned on the inner side wall of the connecting plate 200, and the limiting block 230 is used for preventing the threaded rod 210 from being separated due to overlarge moving distance;

referring to fig. 1, 2 and 3, the power mechanism 300 includes a mounting frame 310, a motor 320, a transmission case 330, a driving wheel 340, a driven wheel 350, a connecting rod 360 and a second human-shaped gear 361, specifically, the mounting frame 310 is welded at a central position of a top portion of an outer sidewall of the bottom plate 100, the mounting frame 310 is used for mounting the motor 320 and the transmission case 330, four first mounting holes (not shown) are uniformly formed on a mounting plate of the motor 320, four second mounting holes having the same inner diameter as the first mounting holes are formed at positions of a bottom portion of an inner sidewall of the mounting frame 310 corresponding to the four first mounting holes, the motor 320 is fixed to the bottom portion of the inner sidewall of the mounting frame 310 through the four first mounting holes, the four second mounting holes and fastening bolts, the motor 320 is a KSHT-220-SL type servo motor, the motor 320 is used for providing power for up and down movement of the threaded rod 210, four third mounting holes (not, four fourth mounting holes with the same inner diameter as the third mounting holes are formed in the bottom of the inner side wall of the mounting frame 310 at positions corresponding to the four third mounting holes, the gearbox 330 is fixed to the top of the inner side wall of the mounting frame 310 through the four third mounting holes, the four fourth mounting holes and fastening bolts, the output shaft of the motor 320 is in key connection with the gearbox 330 through a coupler, the gearbox 330 is used for changing the rotating speed and torque of the motor 320, the gearbox 300 can change the transmission ratio of the output shaft and the input shaft of the motor 320 in a fixed or stepped manner, so that the rotating speed of the motor 320 is changed, the end part of the output shaft of the motor 320 is in key connection with the driving wheel 340, the driving wheel 340 is used for being matched with the driven wheel 350 to drive the connecting rod 360 to rotate, so that the threaded rod 210 is driven to move up and down, the driven wheel 350 is, two end parts of the connecting rod 360 extend to the outer side wall of the connecting plate 200, two end parts of the connecting rod 360 are in threaded connection with a second human-shaped gear 361 through fastening bolts, and the second human-shaped gear 361 is used for being in rotary connection with the first human-shaped gear 220 and provides power through a motor 320, so that the threaded rod 210 is driven to move up and down;

referring to fig. 1 again, the controller 400 is installed on the right side wall of the connection plate 200, four first thread grooves (not identified in the drawing) are uniformly formed on the installation plate of the master controller 400, four second thread grooves having the same inner diameter as the first thread grooves are formed on the right side wall of the connection plate 200 corresponding to the four first thread grooves, the master controller 400 is fixed on the right side wall of the connection plate 200 through the four first thread grooves, the four second thread grooves and fastening bolts, the master controller 400 is electrically connected to the motor 320 and the transmission case 330 in an output mode, and the master controller 400 is used for controlling the working states of the motor 320 and the transmission case 330.

The working principle is as follows: in the working process of the utility model, when the height of the net rack needs to be adjusted, operators in the field can connect the net rack through the connecting plate seat 211, then send signals to the motor 320 and the gearbox 330 by controlling the master controller 400, the rotating speed of the motor 320 is controlled by the gearbox 330, meanwhile, the rotating direction of the motor 320 is controlled by the master controller 400, the motor 320 drives the driving wheel 340 to rotate, the driving wheel 340 drives the driven wheel to rotate, then the second human-shaped gear 361 rotates the second human-shaped gear 220, the threaded rod 210 rotates along with the rotation through the first human-shaped gear 220, the connecting seat 211 in the threaded rod 210 is convenient to be lifted or lowered, thereby the lifting of the net rack of the printing machine can be adjusted, meanwhile, the threaded rod 210 is connected through the connecting rod 240, the threaded rod 210 does not deviate in the movement, the stability of the threaded rod 210 in the lifting process is, the practicability of the device is increased.

While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the non-exhaustive description of these combinations in this specification is merely for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. A net rack lifting device of a printing machine is characterized by comprising: the connecting plate (200) is fixedly connected to the left side and the right side of the top of the bottom plate (100), threaded rods (210) are mounted on the inner cavity side walls of the two connecting plates (200), a first human-shaped gear (220) is sleeved on the outer side wall of each threaded rod (210), the power mechanism (300) is mounted on the top of the bottom plate (100), the power mechanism (300) is composed of a mounting frame (310), a motor (320), a gearbox (330), a driving wheel (340), a driven wheel (350), a connecting rod (360) and a second human-shaped gear (361), the mounting frame (310) is in threaded connection with the top of the bottom plate (100), the motor (320) and the gearbox (330) are mounted on the inner cavity side walls of the mounting frame (310), an output shaft of the motor (320) is in key connection with the gearbox (330) through a coupler, motor (320) output shaft tip cup joints action wheel (340), action wheel (340) with rotate from driving wheel (350) and be connected, cup joint in from driving wheel (350) connecting rod (360) lateral wall, connecting rod (360) both ends all rigid coupling people type gear two (361), people type gear two (361) with people type gear one (220) rotate and are connected, master controller (400) install in connecting plate (200) lateral wall, gearbox (330) electric input connection master controller (400).

2. The net rack lifting device of the printing machine according to claim 1, wherein the top of each of the two threaded rods (210) is fixedly connected with a connecting seat (211), the joint of the top of each of the two threaded rods (210) and the top of the connecting plate (200) is provided with a limiting block (230), and one side of each of the two threaded rods (210) is fixedly connected with a connecting rod (240).

3. The screen frame lifting device of a printing machine according to claim 1, wherein guide frames (110) are fixed on the left and right sides of the top of the bottom plate (100), both ends of the connecting rod (360) penetrate through the guide frames (110), and both ends of the connecting rod (360) extend to the outer side wall of the connecting plate (200).

4. The screen frame lifting device of a printing machine according to claim 1, wherein a plurality of rollers (120) are arranged at the bottom of the base plate (100) and the rollers (120) are self-locking casters.