CN211662812U

CN211662812U - Net rack lifting device of printing machine

Info

Publication number: CN211662812U
Application number: CN201922180289.0U
Authority: CN
Inventors: 聂胜全
Original assignee: Wenzhou Fengchi Printing Co ltd
Current assignee: Wenzhou Fengchi Printing Co ltd
Priority date: 2019-12-09
Filing date: 2019-12-09
Publication date: 2020-10-13
Anticipated expiration: 2029-12-09

Abstract

The utility model provides a net rack lifting device of a printing machine, which relates to the field of printing machinery and comprises a supporting bottom plate and a supporting column, wherein one side of the supporting column is provided with a chute, a slide block is arranged in the chute, a lifting plate is arranged at the inner side of the supporting column, a net rack connecting plate is arranged at the inner side of the lifting plate, a stable lifting component is arranged between the lower end of the net rack connecting plate and the supporting bottom plate, and a lifting power device is arranged at the upper end of the supporting; the lifting power device comprises a servo motor, a rotating shaft, a first bevel gear and a second bevel gear, a controller is installed on the outer side of the supporting column, and the servo motor is electrically connected with the controller. The utility model discloses in through the cooperation of slider and spout for the lifter plate can steadily reciprocate in the inboard of support column, and steady elevating assembly can guarantee that the lifter plate steadily does not rock at the in-process that goes up and down, and whole utility model structure is simple, guarantees that the rack is even in lift in-process both sides atress, guarantees the production quality of product, and the practicality is high.

Description

Net rack lifting device of printing machine

Technical Field

The utility model relates to a printing machine field especially relates to a rack elevating gear of printing machine.

Background

Machines for printing text and images. Modern printing presses typically consist of mechanisms for plating, inking, stamping, feeding (including folding), etc. The working principle of the method is that characters and images to be printed are made into a printing plate, the printing plate is arranged on a printing machine, then ink is coated on the position, where the characters and the images are arranged, of the printing plate by a person or the printing machine, and then the printing plate is directly or indirectly transferred onto paper or other printing stocks (such as textiles, metal plates, plastics, leather, wood plates, glass and ceramics), so that printed matters identical to the printing plate are copied. The invention and the development of the printing machine play an important role in the propagation of human civilization and culture.

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: debugging, maintenance difficulty, guide pillar lift synchronization performance are poor, and single through servo motor drive lift, can not guarantee the steady of whole mechanism, lead to the rack unstable, influence product quality. In the process of ascending and descending of the net rack of the printing machine, how to fix the net rack placed on the lifting mechanism ensures that the net rack does not displace and shake all the time in the lifting process, and the problem that people need to consider and solve is also solved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rack elevating gear of printing machine to solve above-mentioned technical problem.

The utility model discloses a solve above-mentioned technical problem, adopt following technical scheme to realize: a net rack lifting device of a printing machine comprises a supporting bottom plate and supporting columns, wherein the supporting columns are vertically arranged at four corners of the upper end of the supporting bottom plate, one side, close to a transverse central axis of the supporting bottom plate, of each supporting column is provided with a sliding chute, a sliding block is movably arranged in each sliding chute, a connecting block is arranged in the sliding chute in the opening direction and extends to the outer side of each sliding chute, a lifting plate is arranged between the two connecting blocks on the same transverse side, a net rack connecting plate is horizontally arranged on the inner side wall of each lifting plate, a stable lifting assembly is arranged between the lower end of each net rack connecting plate and the supporting bottom plate, and;

the utility model discloses a lifting power device, including servo motor and shaft coupling, the bearing frame is installed to the left and right sides of supporting baseplate, installs the axis of rotation between two bearing frames, and the axis of rotation passes the shaft coupling, and the both ends fixed mounting of axis of rotation has first bevel gear, the lifter plate is located fixed mounting between two rack connecting plates and has the supporting shoe, runs through from top to bottom the supporting shoe and be provided with the screw hole, and threaded hole internal rotation installs the threaded rod, and the lower extreme of threaded rod passes through the bearing and rotates and install on the supporting baseplate, and the last bearing upside fixed mounting that lies in of threaded rod has second bevel gear, second bevel gear with first bevel gear meshing, the controller is installed in the outside of supporting. Through the cooperation of slider and spout for the lifter plate can steadily reciprocate in the inboard of support column, and the rack is supported to the rack connecting plate, and drives and reciprocates, and steady lifting unit can guarantee that the lifter plate steadily does not rock at the in-process that goes up and down, makes lifter plate left and right sides atress even, thereby guarantees that the rack of whole printing machine goes up and down steadily, and lift power device's setting plays the drive effect of whole device.

Preferably, the length of the net rack connecting plate is greater than that of the supporting block.

Preferably, steady lifting unit includes telescopic tube, telescopic tube's lower extreme fixed mounting is on the supporting baseplate, and telescopic tube's inside movable mounting has telescopic branch, installs electronic jar between telescopic branch and the telescopic tube bottom, and electronic jar's flexible speed is the same with servo motor's drive speed, electronic jar and controller electric connection, and telescopic branch's upper end evenly is provided with damping spring, and damping spring's upper end fixed mounting has the fixed plate, fixed plate and rack connecting plate fixed connection. Through the setting of electronic jar, drive telescopic support and reciprocate in telescopic sleeve is inside, and telescopic support provides a vertical power to the lower extreme of rack connecting plate, guarantees that the lifter plate left and right sides is balanced, guarantees simultaneously that whole lift process is stable, no longer is single to drive the lift by lift power device.

Preferably, the lateral wall of rack connecting plate is improved level and is run through and be provided with the screw, installs the screw rod in the screw, and the end of screw rod is provided with the rotation handle, and the position that the screw rod is close to the rotation handle is provided with the limiting plate. The setting of screw rod is spacing board on the cooperation, according to the length of the rack of placing on the rack connecting plate, carries on spacing fixedly to the rack both ends, guarantees the steady of rack lift process.

Preferably, the screw is parallel to the lifting plate.

Preferably, the limiting plate is of a circular plate-shaped structure, and the highest point of the limiting plate is located above the net rack connecting plate.

The utility model has the advantages that:

in the utility model, the lifting plate can stably move up and down at the inner side of the support column through the matching of the sliding block and the sliding groove, the net rack connecting plate supports the net rack and drives the lifting, the stable lifting component can ensure that the lifting plate is stable and does not shake in the lifting process, so that the left side and the right side of the lifting plate are uniformly stressed, thereby ensuring that the net rack of the whole printing machine can be stably lifted, the lifting power device is arranged to play the driving role of the whole device, the telescopic support rod is driven to move up and down in the telescopic sleeve through the arrangement of the electric cylinder, the telescopic support rod provides a vertical force for the lower end of the net rack connecting plate, the balance of the left side and the right side of the lifting plate is ensured, simultaneously, the whole lifting process is ensured to be stable, the lifting is not only driven to lift by the lifting power device, the arrangement, carry out spacing fixed to the rack both ends, guarantee the steady of rack lift process, whole utility model simple structure guarantees that the rack is even in lift in-process both sides atress, carries steadily, and the rack does not rock, guarantees the production quality of product, and the practicality is high.

Drawings

Fig. 1 is a schematic perspective view of a net rack lifting device of a printing machine according to the present invention;

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

FIG. 3 is a schematic view of the lifting power device of the present invention;

fig. 4 is a sectional view of the chute of the present invention;

FIG. 5 is an enlarged view of part A of FIG. 1 according to the present invention;

FIG. 6 is a schematic structural view of the stable lifting assembly of the present invention;

FIG. 7 is a schematic view of the three-dimensional structure of the net rack connecting plate of the present invention;

reference numerals: 1-a support floor; 2-a support column; 3-a chute; 4-a slide block; 5, connecting blocks; 6-lifting plate; 7-a net rack connecting plate; 8-a steady lifting assembly; 801-telescoping sleeve; 802-telescoping struts; 803-damping springs; 804-fixing plate; 805-electric cylinders; 9-a lifting power device; 901-a servo motor; 902-a coupler; 903-a bearing seat; 904-rotating shaft; 905-a first bevel gear; 906-support block; 907-threaded hole; 908-a threaded rod; 909-second bevel gear; 10-a controller; 11-screw holes; 12-a screw; 13-turning the handle; and 14-a limiting plate.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand, the present invention will be further explained below with reference to the following embodiments and the accompanying drawings, but the following embodiments are only the preferred embodiments of the present invention, and not all embodiments are included. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention.

Specific embodiments of the present invention will be described below with reference to the accompanying drawings.

Example 1

As shown in fig. 1-5, a net rack lifting device of a printing machine comprises a supporting base plate 1 and supporting columns 2, the supporting columns 2 are vertically installed at four corners of the upper end of the supporting base plate 1, a sliding chute 3 is arranged at one side of each supporting column 2 close to a transverse central axis of the supporting base plate 1, a sliding block 4 is movably installed inside each sliding chute 3, a connecting block 5 is arranged in an opening direction of each sliding chute 3 on each sliding block 4, each connecting block 5 extends to the outer side of each sliding chute 3, a lifting plate 6 is installed between the two connecting blocks 5 on the same transverse side, a net rack connecting plate 7 is horizontally installed on the inner side wall of each lifting plate 6, a stable lifting assembly 8 is installed between the lower end of each net rack connecting plate 7 and the;

the lifting power device 9 comprises a servo motor 901 and a coupler 902, bearing seats 903 are installed on the left side and the right side of the supporting base plate 1, a rotating shaft 904 is installed between the two bearing seats 903, the rotating shaft 904 penetrates through the coupler 902, first bevel gears 905 are fixedly installed at the two ends of the rotating shaft 904, a supporting block 906 is fixedly installed between the two net rack connecting plates 7 of the lifting plate 6, threaded holes 907 penetrate through the supporting block 906 from top to bottom, threaded rods 908 are rotatably installed inside the threaded holes 907, the lower ends of the threaded rods 908 are rotatably installed on the supporting base plate 1 through bearings, second bevel gears 909 are fixedly installed on the upper sides of the bearings on the threaded rods 908, the second bevel gears 909 are meshed with the first bevel gears 905, a controller 10 is installed on the outer side of the supporting column 2.

The working principle is as follows: the net rack of the printing machine is arranged between two lifting plates 6 through a net rack connecting plate 7, so that the net rack of the whole printing machine is stably supported, the rotation direction of a servo motor 901 is controlled through a controller 10, when the servo motor 901 rotates, the rotation is transmitted to a rotating shaft 904 through a coupler 902, the rotating shaft 904 rotates on two bearing seats 903, first bevel gears 905 at two ends of the rotating shaft 904 rotate along the same direction of the rotating shaft 904, because the second bevel gears 909 and the first bevel gears 905 are meshed with each other, the second bevel gears 909 rotate synchronously along the first bevel gears 905, the second bevel gears 909 drive threaded rods 908 to rotate, the threaded rods 908 are matched with threaded holes 907 on the supporting blocks 906, so that the supporting blocks 906 can move up and down, the supporting blocks 906 drive the lifting plates 6 to move up and down, and the left and right ends of the lifting plates 6 are matched with sliding chutes 3 through, the inner side of the supporting column 2 slides stably, so that the two ends of the lifting plate 6 are always balanced;

at the in-process that lifter plate 6 reciprocated, through the rotation direction who changes servo motor 901, control the rising or the decline of both sides lifter plate 6, no matter rise or decline, steady lifting unit 8 is all synchronous under rack connecting plate 7, has played fine support and has provided the effect of power, has guaranteed the steady movement of whole device.

Example 2

As shown in fig. 1-6, a net rack lifting device of a printing machine comprises a supporting base plate 1 and supporting columns 2, the supporting columns 2 are vertically installed at four corners of the upper end of the supporting base plate 1, a sliding chute 3 is arranged at one side of each supporting column 2 close to a transverse central axis of the supporting base plate 1, a sliding block 4 is movably installed inside each sliding chute 3, a connecting block 5 is arranged in an opening direction of each sliding chute 3 on each sliding block 4, each connecting block 5 extends to the outer side of each sliding chute 3, a lifting plate 6 is installed between the two connecting blocks 5 on the same transverse side, a net rack connecting plate 7 is horizontally installed on the inner side wall of each lifting plate 6, a stable lifting assembly 8 is installed between the lower end of each net rack connecting plate 7 and the;

The stable lifting assembly 8 comprises a telescopic sleeve 801, the lower end of the telescopic sleeve 801 is fixedly mounted on the supporting base plate 1, a telescopic support rod 802 is movably mounted inside the telescopic sleeve 801, an electric cylinder 805 is mounted between the telescopic support rod 802 and the bottom of the telescopic sleeve 801, the telescopic speed of the electric cylinder 805 is the same as the driving speed of the servo motor 901, the electric cylinder 805 is electrically connected with the controller 10, damping springs 803 are uniformly arranged at the upper ends of the telescopic support rods 802, a fixing plate 804 is fixedly mounted at the upper ends of the damping springs 803, and the fixing plate 804 is fixedly connected with the net rack connecting plate 7.

The working principle is as follows: in the ascending process of the lifting plate 6, when the controller 10 controls the servo motor 901 to rotate, the electric cylinder 805 is controlled and extends, the extending speed of the electric cylinder 805 is the same as the speed of the lifting plate 6 driven by the servo motor 901, so when the lifting plate 6 is driven by the lifting power device 9 to ascend, the electric cylinder 805 pushes the telescopic support rod 802 to move upwards along the telescopic sleeve 801, the telescopic support rod 802 vertically and upwards applies a thrust force to the net rack connecting plate 7, the force acting on the net rack connecting plate 7 is transmitted to the lifting plate 6, the left side and the right side of the lifting plate 6 are pushed to move upwards by the vertical thrust force, the ascending of the whole device is not driven by the lifting power device 9 singly, and the stability of the whole device is ensured;

meanwhile, in the descending process of the lifting plate 6, the principle is the same, the controller 10 controls the servo motor 901 to rotate, the electric cylinder 805 is controlled and contracted, the contraction speed of the electric cylinder 805 is the same as the descending speed of the lifting plate 6 driven by the servo motor 901, and the damping spring 803 can play a damping effect in the ascending or descending process to ensure the stability of the whole lifting plate 6.

Example 3

As shown in fig. 1, 2, 3, 4, 5 and 7, a net rack lifting device of a printing machine comprises a supporting base plate 1 and supporting columns 2, wherein the supporting columns 2 are vertically installed at four corners of the upper end of the supporting base plate 1, a sliding chute 3 is arranged at one side of each supporting column 2 close to a transverse central axis of the supporting base plate 1, a sliding block 4 is movably installed inside each sliding chute 3, a connecting block 5 is arranged in the opening direction of each sliding chute 3 on each sliding block 4, each connecting block 5 extends to the outer side of each sliding chute 3, a lifting plate 6 is installed between two connecting blocks 5 at the same transverse side, a net rack connecting plate 7 is horizontally installed on the inner side wall of each lifting plate 6, a stable lifting assembly 8 is installed between the lower end of each net rack connecting plate 7 and the;

The lateral wall of the net rack connecting plate 7 is horizontally provided with a screw hole 11 in a penetrating manner, a screw rod 12 is installed in the screw hole 11, the tail end of the screw rod 12 is provided with a rotating handle 13, and a limiting plate 14 is arranged at the position, close to the rotating handle 13, of the screw rod 12.

The working principle is as follows: keep flat the rack of printing machine after the upper end of four rack connecting plates 7, both ends are if extending to the outside of rack connecting plate 7 about the rack of printing machine, handheld rotation handle 13 earlier, rotate screw rod 12 until being in the longest position, then the rack of printing machine is placed after rack connecting plate 7 upper end again, rotate screw rod 12 along the shrink of screw 11, the both ends outside of the rack of printing machine is tightly pasted to limiting plate 14 on up to screw rod 12, play a tight effect of clamp to the rack both ends, guarantee to rise or descend the steady of process rack, can not take place to rock and the displacement.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a rack elevating gear of printing machine, includes supporting baseplate (1) and support column (2), its characterized in that:

the supporting columns (2) are vertically arranged at four corners at the upper end of the supporting base plate (1), a sliding groove (3) is formed in one side, close to a transverse central axis of the supporting base plate (1), of each supporting column (2), a sliding block (4) is movably arranged inside the sliding groove (3), a connecting block (5) is arranged in the opening direction of the sliding groove (3) on each sliding block (4), each connecting block (5) extends to the outer side of the corresponding sliding groove (3), a lifting plate (6) is arranged between every two connecting blocks (5) on the same transverse side, a net rack connecting plate (7) is horizontally arranged on the inner side wall of each lifting plate (6), a stable lifting assembly (8) is arranged between the lower end of each net rack connecting plate (7) and the supporting base plate (1), and a lifting power device (;

the lifting power device (9) comprises a servo motor (901) and a coupler (902), bearing seats (903) are installed on the left side and the right side of the supporting base plate (1), a rotating shaft (904) is installed between the two bearing seats (903), the rotating shaft (904) penetrates through the coupler (902), first bevel gears (905) are fixedly installed at two ends of the rotating shaft (904), a supporting block (906) is fixedly installed between the two net rack connecting plates (7) of the lifting plate (6), threaded holes (907) penetrate through the supporting block (906) up and down, a threaded rod (908) is rotatably installed inside the threaded holes (907), the lower end of the threaded rod (908) is rotatably installed on the supporting base plate (1) through a bearing, a second bevel gear (909) is fixedly installed on the upper side of the bearing on the upper portion of the threaded rod (908), and the second bevel gear (909) is meshed with, the controller (10) is installed in the outside of support column (2), servo motor (901) and controller (10) electric connection.

2. The screen frame lifting device of a printing machine according to claim 1, wherein: the length of the net rack connecting plate (7) is greater than that of the supporting block (906).

3. The screen frame lifting device of a printing machine according to claim 1, wherein: steady lifting unit (8) are including telescopic sleeve (801), the lower extreme fixed mounting of telescopic sleeve (801) is on supporting baseplate (1), the inside movable mounting of telescopic sleeve (801) has telescopic branch (802), install electronic jar (805) between telescopic branch (802) and telescopic sleeve (801) bottom, the flexible speed of electronic jar (805) is the same with servo motor (901)'s drive speed, electronic jar (805) and controller (10) electric connection, the upper end of telescopic branch (802) evenly is provided with damping spring (803), the upper end fixed mounting of damping spring (803) has fixed plate (804), fixed plate (804) and rack connecting plate (7) fixed connection.

4. The screen frame lifting device of a printing machine according to claim 1, wherein: the lateral wall of rack connecting plate (7) is improved level and is run through and be provided with screw (11), installs screw rod (12) in screw (11), and the end of screw rod (12) is provided with rotates handle (13), and the position that screw rod (12) are close to and rotate handle (13) is provided with limiting plate (14).

5. The screen frame lifting device of a printing machine according to claim 4, wherein: the screw (12) is parallel to the lifting plate (6).

6. The screen frame lifting device of a printing machine according to claim 4, wherein: the limiting plate (14) is of a disc-shaped structure, and the highest point of the limiting plate (14) is located above the net rack connecting plate (7).