CN214492024U

CN214492024U - Printing machine net rack lifting device

Info

Publication number: CN214492024U
Application number: CN202021908180.0U
Authority: CN
Inventors: 徐立平; 赵金玲
Original assignee: Guangzhou Horizon Printing Co ltd
Current assignee: Guangzhou Horizon Printing Co ltd
Priority date: 2020-09-04
Filing date: 2020-09-04
Publication date: 2021-10-26
Anticipated expiration: 2030-09-04

Abstract

The utility model discloses a printing machine rack elevating gear, including mounting plate, fixed column, guide bar, lifter plate, lift lead screw and drive assembly, fixed column, guide bar and lift lead screw are all located perpendicularly on the mounting plate, fixed column, guide bar and lift lead screw parallel arrangement, the lift lead screw is located between the fixed column, be equipped with the slide bar in the fixed column and be close to one side of lift lead screw and be equipped with the lifter plate spout, the lifter plate spout runs through the setting of lower extreme on the fixed column, the lifter plate is located on the lift lead screw through the screw thread, lifter plate four corners department is equipped with the protrusion slip end, two slip end covers in the lifter plate outside are located on the slide bar and are slided and locate in the lifter plate spout, two inboard slip end covers of lifter plate are located on the slide bar, drive assembly locates on the installation floor. The utility model relates to a printing machine technical field specifically provides a printing machine rack elevating gear that operates steadily, and supports firmly.

Description

Printing machine net rack lifting device

Technical Field

The utility model relates to a printing machine technical field specifically indicates a printing machine rack elevating gear.

Background

In the prior art, a lifting device of a net rack of a printing machine comprises a machine base, four guide columns, a servo motor, a gearbox and a transmission device, wherein the machine base comprises four hollow upright columns, and the guide columns are matched with the upright columns and the transmission device; the servo motor is connected with the gearbox through a coupler. There are major problems: installation, debugging, maintenance difficulty, the guide pillar synchronous performance of going up and down is poor, goes up and down steadily inadequately, leads to the rack unstably, influences product quality. Meanwhile, the lifting frame is easy to fall under the action of gravity pressure of the silk screen, so that the working state is unstable, and the practicability is reduced.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model provides a printing machine rack elevating gear that operates steadily, and supports firmly.

The utility model adopts the following technical scheme: the utility model relates to a net rack lifting device of a printing machine, which comprises an installation bottom plate, a fixed column, a guide rod, a lifting plate, a lifting screw rod and a driving component, the fixed column, the guide rod and the lifting screw rod are all vertically arranged on the mounting bottom plate, the fixed column, the guide rod and the lifting screw rod are arranged in parallel, the lifting screw rod is arranged between the fixed columns, a slide bar is arranged in each fixed column, a lifting plate sliding groove is arranged on one side close to the lifting screw rod, the lifting plate sliding groove is arranged by penetrating the upper end and the lower end of the fixing column, the lifting plate is arranged on the lifting screw rod through threads, the four corners of the lifting plate are provided with convex sliding ends, two sliding ends outside the lifting plate are sleeved on the sliding rods and are arranged in the sliding grooves of the lifting plate in a sliding manner, the two sliding end heads on the inner side of the lifting plate are sleeved on the sliding rods, the driving assembly is arranged on the installation floor, and the driving assembly drives the lifting screw rod; the driving assembly comprises a driving motor, a driving motor supporting seat, a driving shaft supporting seat, a driven shaft supporting seat, a transmission belt, a driving conical gear and a driven conical gear, the driving motor supporting seat, the driving shaft supporting seat and the driven shaft supporting seat are arranged on the mounting bottom plate, the driving motor is arranged on the driving motor supporting seat, the driving shaft is rotatably arranged on the driving shaft supporting seat and is connected with an output shaft of the driving motor, two ends of the driven shaft are respectively rotatably arranged on the driving shaft supporting seat and the driven shaft supporting seat, the driving shaft and the driven shaft are arranged in parallel, a driving rolling disc is arranged on the driving shaft, a driven rolling disc is arranged on the driven shaft, two ends of the transmission belt are respectively sleeved on the driving rolling disc and the driven rolling disc, the driving conical gear is arranged on the driven shaft, and the driven conical gear is arranged at the lower end of the lifting screw rod, the driving bevel gear and the driven bevel gear are perpendicular to each other and meshed with each other.

Furthermore, the fixed column is hollow structure setting, the slide bar runs through and locates in the fixed column cavity, fixed column inside wall bilateral symmetry is equipped with prevents weighing down the subassembly, prevent weighing down the subassembly and be equipped with two sets ofly, two sets ofly prevent weighing down subassembly one and prevent weighing down subassembly two respectively, prevent weighing down subassembly one and prevent weighing down subassembly two symmetries and locate the slip end both sides.

Further, prevent weighing down subassembly one and include elastic component, linkage plate and prevent weighing down the electro-magnet, the elastic component is located on the fixed column inside wall, the linkage plate is located on the elastic component, prevent weighing down the electro-magnet and locate on the linkage plate.

Further, prevent weighing down subassembly two and include elastic component, joint fishplate bar and iron piece, the elastic component is located on the fixed column inside wall, the joint fishplate bar is located on the elastic component, the iron piece symmetry is located on the joint fishplate bar.

Furthermore, the anti-falling electromagnets and the iron blocks are arranged in a one-to-one correspondence manner, and the number of the anti-falling electromagnets is equal to that of the iron blocks.

Further, the elastic part includes sleeve, traveller and expanding spring, the sleeve is located on the fixed column inside wall, expanding spring locates in the sleeve, the traveller slides and locates in the sleeve and be connected with expanding spring, the traveller expansion end is located on the linkage plate.

Further, the lifting screw rod is provided with two sets of driving bevel gears and two sets of driven bevel gears, the two sets of driving bevel gears and the two sets of driven bevel gears are symmetrically arranged at two ends of the mounting bottom plate respectively, the two sets of driving bevel gears are arranged at two ends of the driven shaft respectively, and the driving bevel gears, the driven bevel gears and the lifting screw rod are correspondingly arranged.

Furthermore, four fixing columns are arranged along four corners of the installation bottom plate, and the guide rods are arranged corresponding to the fixing columns.

Further, the driving motor is a forward and reverse double-rotation motor.

Furthermore, a lifting button and an anti-falling button are arranged on the mounting bottom plate, the lifting button is electrically connected with the driving motor, and the anti-falling button is electrically connected with the anti-falling electromagnet.

Adopt above-mentioned structure the utility model discloses the beneficial effect who gains as follows: this scheme a printing machine rack elevating gear cooperatees through the drive effect of lift lead screw and the guide effect of guide bar, play spacing fixed action to the motion of lifter plate at the lift in-process to this guarantees the steady lift of lifter plate, avoid the shake skew that the lift in-process produced because of moment, and simultaneously, prevent weighing down the subassembly through setting up in the fixed column, under the adsorption of electro-magnet and iron matter piece, realize the fixed of slip end, support the lifter plate with this cooperation lift lead screw is firm, guarantee silk screen job stabilization nature.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of the overall structure of a net rack lifting device of a printing machine of the present invention;

FIG. 2 is a front view of the net rack lifting device of the printing machine of the present invention;

fig. 3 is a top view of the net rack lifting device of the printing machine of the present invention;

FIG. 4 is a cross-sectional view of the anti-falling assembly of the net rack lifting device of the printing machine of the present invention;

fig. 5 is a partial enlarged view of a portion a of the net rack lifting device of the printing machine of the present invention shown in fig. 4.

The device comprises a mounting base plate 1, a mounting base plate 2, a fixing column 3, a guide rod 4, a lifting plate 5, a lifting screw rod 6, a sliding rod 7, a lifting plate sliding groove 8, a sliding end 9, a driving motor 10, a driving motor supporting seat 11, a driving shaft 12, a driving shaft supporting frame 13, a driven shaft 14, a driven shaft supporting frame 15, a transmission belt 16, a driving bevel gear 17, a driven bevel gear 18, a driving rolling disc 19, a driven rolling disc 20, an elastic part 21, a connecting plate 22, an anti-falling electromagnet 23, an iron block 24, a sleeve 25, a sliding column 26 and a telescopic spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

As shown in figures 1-5, the utility model relates to a net rack lifting device of a printing machine, which comprises a mounting base plate 1, a fixed column 2, a guide rod 3, a lifting plate 4, a lifting screw rod 5 and a driving component, wherein the fixed column 2, the guide rod 3 and the lifting screw rod 5 are all vertically arranged on the mounting base plate 1, the fixed column 2, the guide rod 3 and the lifting screw rod 5 are arranged in parallel, the lifting screw rod 5 is arranged between the fixed columns 2, a slide rod 6 is arranged in the fixed column 2, a lifting plate chute 7 is arranged at one side close to the lifting screw rod 5, the lifting plate chute 7 is arranged through the upper end and the lower end of the fixed column 2, the lifting plate 4 is arranged on the lifting screw rod 5 through threads, a convex sliding end 8 is arranged at the four corners of the lifting plate 4, two sliding ends 8 at the outer side of the lifting plate 4 are sleeved on the slide rod 6 and are arranged in the lifting plate chute 7 in a sliding manner, two sliding ends 8 at the inner side of the lifting plate 4 are sleeved on the slide rod 6, the driving component is arranged on the mounting base plate, the driving component drives the lifting screw rod 5; the driving assembly comprises a driving motor 9, a driving motor support seat 10, a driving shaft 11, a driving shaft support seat 12, a driven shaft 13, a driven shaft support seat 14, a transmission belt 15, a driving bevel gear 16 and a driven bevel gear 17, the driving motor support seat 10, the driving shaft support seat 12 and the driven shaft support seat 14 are arranged on the mounting base plate 1, the driving motor 9 is arranged on the driving motor support seat 10, the driving shaft 11 is rotatably arranged on the driving shaft support seat 12 and is connected with an output shaft of the driving motor 9, two ends of the driven shaft 13 are respectively rotatably arranged on the driving shaft support seat 12 and the driven shaft support seat 14, the driving shaft 11 and the driven shaft 13 are arranged in parallel, a driving rolling disc 18 is arranged on the driving shaft 11, a driven rolling disc 19 is arranged on the driven shaft 13, two ends of the transmission belt 15 are respectively sleeved on the driving rolling disc 18 and the driven rolling disc 19, and the driving bevel gear 16 is arranged on the driven shaft 13, the driven bevel gear 17 is arranged at the lower end of the lifting screw rod 5, and the driving bevel gear 16 and the driven bevel gear 17 are mutually vertical and meshed.

Wherein, the fixed column 2 is hollow structure setting, and in the slide bar 6 runs through and locates 2 hollow cavities of fixed column, 2 inside wall bilateral symmetry of fixed column were equipped with prevents weighing down the subassembly, prevent weighing down the subassembly and be equipped with two sets ofly, two sets ofly respectively prevent weighing down subassembly one and prevent weighing down subassembly two, prevent weighing down subassembly one and prevent weighing down subassembly two symmetry and locate 8 both sides of slip end. Prevent weighing down subassembly one and include elastic component 20, joint board 21 and prevent weighing down electro-magnet 22, elastic component 20 locates on 2 inside walls of fixed column, and joint board 21 locates on elastic component 20, prevents weighing down electro-magnet 22 and locates on joint board 21. Prevent weighing down subassembly two and include elastic component 20, link up fishplate bar 21 and iron piece 23, elastic component 20 locates on 2 inside walls of fixed column, and link up fishplate bar 21 locates on elastic component 20, and iron piece 23 symmetry is located on linking up fishplate bar 21. The anti-falling electromagnets 22 and the iron blocks 23 are arranged in a one-to-one correspondence manner and are equal in number. Elastic component 20 includes sleeve 24, traveller 25 and expanding spring 26, and on fixed column 2 inside wall was located to sleeve 24, expanding spring 26 located in sleeve 24, traveller 25 slided and locates in sleeve 24 and be connected with expanding spring 26, and traveller 25 expansion end is located on linking up board 21. The lifting screw rods 5 are provided with two groups, the two groups are symmetrically arranged at two ends of the mounting bottom plate 1 respectively, the driving bevel gears 16 and the driven bevel gears 17 are both provided with two groups, the two groups of driving bevel gears 16 are arranged at two ends of the driven shaft 13 respectively, and the driving bevel gears 16, the driven bevel gears 17 and the lifting screw rods 5 are correspondingly arranged. Four fixing columns 2 are arranged along four corners of the mounting base plate 1, and the guide rods 3 are arranged corresponding to the fixing columns 2. The driving motor 9 is a forward and reverse double-rotation motor. The installation bottom plate 1 is provided with a lifting button and an anti-falling button, the lifting button is electrically connected with the driving motor 9, and the anti-falling button is electrically connected with the anti-falling electromagnet 22.

When the lifting device is used, the lifting key is pressed down, the driving motor 9 starts to work, the driving motor 9 drives the driving shaft 11 to rotate, the driving shaft 11 drives the driving rolling disc 18 to rotate, the driving rolling disc 18 drives the driven rolling disc 19 to rotate through the transmission belt 15, the driven rolling disc 19 drives the driven shaft 13 to rotate, the driven shaft 13 drives the driving bevel gear 16 to rotate, the driving bevel gear 16 drives the driven bevel gear 17 to rotate, the driven bevel gear 17 drives the lifting screw rod 5 to rotate, the lifting screw rod 5 drives the lifting plate 4 to lift, the lifting plate 4 lifts and simultaneously, under the guiding and limiting effects of the guide rod 3 and the fixed column 2 internal slide rod 6, the vertical mounting bottom plate 1 lifts and avoids the shaking deviation of the lifting plate 4 caused by the moment generated by the rotation of the lifting screw rod 5, when the lifting plate 4 lifts to a proper working height, the lifting key is pressed down, the driving motor 9 stops working, then, the anti-falling button is pressed down, the anti-falling electromagnet 22 is electrified, the anti-falling electromagnet 22 adsorbs the iron block 23, the anti-falling electromagnet 22 and the iron block 23 are close to the slide rod 6 from two sides, the sliding end 8 of the lifting plate 4 is fastened, the lifting plate 4 is fixedly supported by matching with the lifting screw rod 5, and the working stability of the lifting plate 4 is improved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a printing machine rack elevating gear which characterized in that: the lifting plate comprises a mounting bottom plate, fixing columns, guide rods, a lifting plate, a lifting screw rod and a driving assembly, wherein the fixing columns, the guide rods and the lifting screw rod are vertically arranged on the mounting bottom plate, the fixing columns, the guide rods and the lifting screw rod are arranged in parallel, the lifting screw rod is arranged between the fixing columns, a sliding rod is arranged in each fixing column, a lifting plate sliding groove is formed in one side, close to the lifting screw rod, of each fixing column, the lifting plate sliding groove penetrates through the upper end and the lower end of each fixing column, the lifting plate is arranged on the lifting screw rod through threads, protruding sliding end heads are arranged at four corners of the lifting plate, two sliding end heads on the outer side of the lifting plate are sleeved on the sliding rod and are slidably arranged in the lifting plate sliding groove, two sliding end heads on the inner side of the lifting plate are sleeved on the sliding rod, and the driving assembly is arranged on the mounting floor; the driving assembly comprises a driving motor, a driving motor supporting seat, a driving shaft supporting seat, a driven shaft supporting seat, a transmission belt, a driving conical gear and a driven conical gear, the driving motor supporting seat, the driving shaft supporting seat and the driven shaft supporting seat are arranged on the mounting bottom plate, the driving motor is arranged on the driving motor supporting seat, the driving shaft is rotatably arranged on the driving shaft supporting seat and is connected with an output shaft of the driving motor, two ends of the driven shaft are respectively rotatably arranged on the driving shaft supporting seat and the driven shaft supporting seat, the driving shaft and the driven shaft are arranged in parallel, a driving rolling disc is arranged on the driving shaft, a driven rolling disc is arranged on the driven shaft, two ends of the transmission belt are respectively sleeved on the driving rolling disc and the driven rolling disc, the driving conical gear is arranged on the driven shaft, and the driven conical gear is arranged at the lower end of the lifting screw rod, the driving bevel gear and the driven bevel gear are perpendicular to each other and meshed with each other.

2. A printing press frame lifting device as defined in claim 1, wherein: the anti-falling device is characterized in that the fixed column is of a hollow structure, the slide rod penetrates through the hollow cavity of the fixed column, anti-falling assemblies are symmetrically arranged on two sides of the inner side wall of the fixed column, the anti-falling assemblies are two groups, namely an anti-falling assembly I and an anti-falling assembly II, and the anti-falling assembly I and the anti-falling assembly II are symmetrically arranged on two sides of the sliding end.

3. A printing press frame lifting device as defined in claim 2, wherein: prevent weighing down subassembly one and include elastic component, linkage plate and prevent weighing down the electro-magnet, the elastic component is located on the fixed column inside wall, the linkage plate is located on the elastic component, prevent weighing down the electro-magnet and locate on the linkage plate.

4. A printing press frame lifting device as defined in claim 3, wherein: the anti-falling assembly II comprises an elastic piece, a connecting plate and an iron block, the elastic piece is arranged on the inner side wall of the fixing column, the connecting plate is arranged on the elastic piece, and the iron block is symmetrically arranged on the connecting plate.

5. A printing press rack lifting device as defined in claim 4, wherein: the anti-falling electromagnets are arranged in one-to-one correspondence with the iron blocks, and the number of the anti-falling electromagnets is equal to that of the iron blocks.

6. A printing press frame lifting device according to claim 3 or 4, wherein: the elastic piece comprises a sleeve, a sliding column and a telescopic spring, the sleeve is arranged on the inner side wall of the fixed column, the telescopic spring is arranged in the sleeve, the sliding column is arranged in the sleeve in a sliding mode and connected with the telescopic spring, and the movable end of the sliding column is arranged on the connecting plate.

7. A printing press frame lifting device as defined in claim 1, wherein: the lifting screw rod is provided with two groups, two groups of the lifting screw rods are symmetrically arranged at two ends of the mounting bottom plate respectively, the driving bevel gears and the driven bevel gears are provided with two groups, two groups of the driving bevel gears are arranged at two ends of the driven shaft respectively, and the driving bevel gears, the driven bevel gears and the lifting screw rods are correspondingly arranged.

8. A printing press frame lifting device as defined in claim 1, wherein: the fixed column is equipped with four along mounting plate four corners, the guide bar corresponds the setting with the fixed column.

9. A printing press frame lifting device as defined in claim 1, wherein: the driving motor is a forward and reverse double-rotation motor.

10. A printing press frame lifting device as defined in claim 9, wherein: the anti-falling device is characterized in that a lifting key and an anti-falling key are arranged on the mounting bottom plate, the lifting key is electrically connected with the driving motor, and the anti-falling key is electrically connected with the anti-falling electromagnet.