CN217021867U - Automatic net rack lifting mechanism of printing machine - Google Patents
Automatic net rack lifting mechanism of printing machine Download PDFInfo
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- CN217021867U CN217021867U CN202123306307.9U CN202123306307U CN217021867U CN 217021867 U CN217021867 U CN 217021867U CN 202123306307 U CN202123306307 U CN 202123306307U CN 217021867 U CN217021867 U CN 217021867U
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- screw rod
- mounting plate
- net rack
- base
- printing machine
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Abstract
The application provides a net rack automatic lifting mechanism of a printing machine, which comprises a base; two supporting plates are distributed on the top surface of the base along a first direction; the upper part of the base is provided with a mounting plate for fixing the net rack and a lifting component which is connected with the base and is used for driving the mounting plate to lift; the lifting component comprises: the bidirectional screw rod is connected between the two support plates; two ends of the bidirectional screw rod are symmetrically provided with screw rod nut blocks; the bottom end of the screw rod nut block is connected with the base in a sliding manner, and the top end of the screw rod nut block is hinged with a supporting rod; the free end of the supporting rod is hinged with the mounting plate; one end of the bidirectional screw rod is connected with a driving device for driving the bidirectional screw rod to rotate; the two lead screw nut blocks can slide towards the middle or two ends of the bidirectional lead screw simultaneously under the driving of the bidirectional lead screw; the application provides a net rack automatic lifting mechanism of printing machine has realized the synchronous rising and the decline of net rack bi-polar, is favorable to preventing that the phenomenon such as skew and shake from appearing in the net rack at the lift in-process, is favorable to promoting net rack lift adjustment's stability.
Description
Technical Field
The utility model relates to a printing machine technical field especially relates to a net rack automatic lifting mechanism 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-setting, 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.
A piston cylinder is arranged between a base of a printing machine in the prior art and four corners of a net rack. Realize the lift adjustment of rack vertical direction and handle, but this elevation structure needs four groups of piston cylinder synchronization work, when the piston cylinder had the transmission abnormal, can lead to the rack to shake in the lift in-process and the production of skew phenomenon, the stability of lift is relatively poor.
Disclosure of Invention
The utility model provides a net rack automatic lifting mechanism of printing machine is provided to above problem.
The application provides a net rack automatic lifting mechanism of a printing machine, which comprises a base; two supporting plates are distributed on the top surface of the base along a first direction; an installation plate for fixing the net rack and a lifting assembly which is connected with the base and used for driving the installation plate to lift are arranged above the base;
the lifting assembly comprises: the bidirectional screw rod is connected between the two support plates; two ends of the bidirectional screw rod are symmetrically provided with screw rod nut blocks; the bottom end of the screw rod nut block is connected with the base in a sliding mode, and the top end of the screw rod nut block is hinged with a supporting rod; the free end of the supporting rod is hinged with the mounting plate; one end of the bidirectional screw rod is connected with a driving device for driving the bidirectional screw rod to rotate; the two lead screw nut blocks can slide towards the middle or two ends of the bidirectional lead screw simultaneously under the driving of the bidirectional lead screw.
According to the technical scheme provided by some embodiments of the application, the top end of the screw rod nut block is fixedly connected with a connecting plate; the connecting plate extends along a second direction; the second direction is perpendicular to the first direction; and two ends of the connecting plate are respectively connected with the mounting plate through one supporting rod.
According to the technical scheme provided by some embodiments of the application, hollow support columns are respectively arranged at two ends of the top of the support plate; the corresponding position of the bottom of the mounting plate is provided with a plug-in column; the free end of the inserting column is movably inserted into the supporting column at the corresponding position.
According to the technical scheme provided by some embodiments of the application, the bottom end of the lead screw nut block is fixedly connected with a first sliding block; the top of the base is provided with a first sliding chute extending along the first direction; the first sliding block is connected in the first sliding groove in a sliding mode.
According to the technical scheme provided by some embodiments of the application, a clamping mechanism for clamping the net rack is arranged at the top of the mounting plate; the clamping mechanism comprises two U-shaped clamping pieces which are symmetrically arranged; the open ends of the two U-shaped clamping pieces are oppositely arranged, and the distance between the two U-shaped clamping pieces is adjustable.
According to the technical scheme provided by some embodiments of the application, a second sliding block is arranged on one side, relatively close to the mounting plate, of the U-shaped clamping piece; the top of the mounting plate is provided with a second sliding groove extending along the first direction; the second sliding block is connected in the second sliding groove in a sliding manner; the second sliding block is provided with a first through hole which is communicated with the first sliding block; a plurality of second through holes distributed along the first direction are formed in the side surface of the mounting plate; and the second sliding block is fixed in the second sliding groove by penetrating a bolt through the first through hole and any one of the second through holes.
According to the technical scheme provided by some embodiments of the application, an elastic component is arranged in the U-shaped clamping piece; the elastic component is arranged on one side wall of the U-shaped clamping piece.
According to the technical scheme provided by some embodiments of the application, the elastic component comprises a buffer plate and a first spring which is connected with the buffer plate and the side wall of the U-shaped clamping piece.
Compared with the prior art, the beneficial effect of this application: according to the automatic net rack lifting mechanism of the printing machine, the bidirectional screw rods are arranged between the two supporting plates on the base, the two ends of each bidirectional screw rod are symmetrically provided with the screw rod nut blocks, and the screw rod nut blocks are connected with the mounting plate for fixing the net rack through the supporting rods; the net rack automatic lifting mechanism of the printing machine realizes synchronous rising and falling of double ends of the net rack of the printing machine, is beneficial to preventing the net rack from deviating and shaking in the lifting process, and is beneficial to improving the stability of lifting regulation of the net rack.
Drawings
Fig. 1 is a schematic structural view of an automatic rack lifting mechanism of a printing machine according to an embodiment of the present application;
fig. 2 is a schematic top view of a lifting assembly of an automatic rack lifting mechanism of a printing machine according to an embodiment of the present disclosure;
fig. 3 is a schematic structural view of a U-shaped clamping member of an automatic rack lifting mechanism of a printing machine according to an embodiment of the present application;
fig. 4 is a schematic structural diagram of a mounting plate of an automatic rack lifting mechanism of a printing machine according to an embodiment of the present application.
The text labels in the figures are represented as:
1. a base; 2. a support plate; 3. mounting a plate; 4. a bidirectional screw rod; 5. a lead screw nut block; 6. a support bar; 7. a drive device; 8. a connecting plate; 9. a support column; 10. inserting the column; 11. a first slider; 12. a first chute; 13. a U-shaped clamp; 14. a second slider; 15. a second chute; 16. a second through hole; 17. a buffer plate; 18. a first spring.
Detailed Description
The following detailed description of the present application is given for the purpose of enabling those skilled in the art to better understand the technical solutions of the present application, and the description in this section is only exemplary and explanatory, and should not be taken as limiting the scope of the present application in any way.
Referring to fig. 1, the present embodiment provides an automatic rack lifting mechanism for a printing machine, which includes a base 1; two support plates 2 are distributed on the top surface of the base 1 along a first direction; the two supporting plates 2 are respectively and vertically arranged at two ends of the base 1; the lifting device is characterized in that a mounting plate 3 for fixing a net rack (not shown) and a lifting assembly connected with the base 1 and used for driving the mounting plate 3 to lift are arranged right above the base 1.
The lifting assembly comprises a bidirectional screw rod 4 connected between the two support plates 2; two ends of the bidirectional screw rod 4 are respectively rotatably connected with the two supporting plates 2 through bearings; a driving device 7 for driving the bidirectional screw rod 4 to rotate is installed on one of the supporting plates 2, the driving device 7 is a rotating motor, and an output shaft of the rotating motor is in transmission connection with one end of the bidirectional screw rod 4 through a coupler; the left part and the right part of the bidirectional screw rod 4 are symmetrically provided with screw rod nut blocks 5; the screw rod nut block 5 is in threaded connection with the bidirectional screw rod 4.
The bottom end of the lead screw nut block 5 is connected with the base 1 in a sliding manner, and specifically, the lead screw nut block 5 is connected with the base 1 in a sliding manner through a first sliding block 11 and a first sliding groove 12 which are matched with each other; the first sliding block 11 and the first sliding groove 12 limit the screw rod nut block 5, namely, limit the screw rod nut block from rotating; the first sliding block 11 is fixedly connected to the bottom end of the lead screw nut block 5, the first sliding groove 12 is formed in the top surface of the base 1, and the length direction of the first sliding groove is parallel to the first direction; the first sliding block 11 is slidably connected in the first sliding groove 12.
The top end of the lead screw nut block 5 is hinged with a support rod 6; the free end of the support rod 6 is hinged with the mounting plate 3.
When the bidirectional screw rod driving device is used, the driving device 7 drives the bidirectional screw rod 4 to rotate, so that the two screw rod nut blocks 5 slide towards the middle or two ends of the bidirectional screw rod 4 simultaneously under the driving of the bidirectional screw rod 4, and when the two screw rod nut blocks 5 move towards the middle of the bidirectional screw rod 4 simultaneously, the supporting rod 6 correspondingly rotates and drives the mounting plate 3 to correspondingly descend, so that the net rack mounted on the mounting plate correspondingly descends; when the two lead screw nut blocks 5 move towards the two ends of the bidirectional lead screw 4 simultaneously, the support rod 6 correspondingly rotates and drives the mounting plate 3 to correspondingly rise, so that the net rack mounted on the mounting plate is correspondingly driven to rise.
By arranging the bidirectional screw rod and symmetrically arranging the screw rod nut blocks at two ends of the bidirectional screw rod, the screw rod nut blocks are connected with the mounting plate for fixing the net rack through the supporting rod, when the bidirectional screw rod fixing device is used, the net rack can be lifted and lowered only by one driving device, and particularly, the driving device drives the bidirectional screw rod to rotate, so that the two screw rod nut blocks slide towards the middle or two ends of the bidirectional screw rod simultaneously under the driving of the bidirectional screw rod, and the mounting plate is lowered and lifted; the lifting unit that this embodiment provided has realized the synchronous rising and the decline of rack bi-polar, is favorable to preventing that the rack from appearing phenomenons such as skew and shake in the lift in-process, is favorable to promoting the stability that rack lift was adjusted.
Further, referring to fig. 2, in order to enhance the stability of the support of the mounting plate 3, a connecting plate 8 is fixedly connected to the top end of the lead screw nut block 5; the connecting plate 8 extends in a second direction; the second direction is perpendicular to the first direction; two ends of the connecting plate 8 are respectively connected with the mounting plate 3 through one supporting rod 6, namely, each lead screw nut block 5 is hinged with the two supporting rods 6 through one connecting plate 8; two support rods 6 are respectively connected at two corners of the same side of the mounting plate 3.
The connecting plate is arranged at the top of the screw rod nut block, the two ends of the connecting plate are respectively hinged with the supporting rods, the two supporting rods are respectively hinged with the two corners of the mounting plate, the mounting plate can be stably supported, and the stable ascending and descending of the net rack mounted on the mounting plate are facilitated.
Furthermore, two ends of the top of the support plate 2 are respectively provided with a hollow support column 9; two supporting columns 9 positioned on the same supporting plate 2 are distributed along the direction parallel to the second direction; the corresponding position of the bottom of the mounting plate 3 is provided with a plug-in column 10; the free end of the inserting column 10 is movably inserted into the supporting column 9 at the corresponding position.
Set up hollow support column and correspond the position in the bottom of mounting panel and set up the post of pegging graft through the top at the backup pad, when lifting unit drive mounting panel rises or descends, the cooperation of support column and peg graft post is used, is favorable to the mounting panel to go up and down steadily, prevents skew or slope.
Furthermore, a clamping mechanism for clamping the net rack is arranged at the top of the mounting plate 3; the clamping mechanism comprises two U-shaped clamping pieces 13 which are symmetrically arranged; the length direction of the U-shaped clamp 13 is parallel to the second direction, i.e., perpendicular to the first direction; the two U-shaped clamps 13 are distributed along a direction parallel to the first direction; the open ends of the two U-shaped clamps 13 are arranged opposite to each other, and the distance between the two U-shaped clamps 13 is adjustable.
When the clamping device is used, two ends of the net rack are respectively clamped in the openings of the U-shaped clamping pieces 13 at the adjacent sides, and the distance between the two U-shaped clamping pieces 13 is adjustable, so that the mounting plate 3 can clamp and mount the net racks with different sizes.
With further reference to fig. 3 and 4, at least two second sliding blocks 14 are disposed on a side of the U-shaped clamping member 13 relatively close to the mounting plate 3, and specifically, the second sliding blocks 14 are disposed on an outer side wall of the U-shaped clamping member 13 relatively close to the mounting plate 3; the top of the mounting plate 3 is provided with a second sliding chute 15 extending along the first direction; the number of the second sliding grooves 15 is matched with that of the second sliding blocks 14; the second sliding block 14 is slidably connected in the second sliding groove 15 at the corresponding position; a first through hole is formed in the second sliding block 14; the central axis direction of the first through hole is parallel to the second direction; a plurality of second through holes 16 distributed along the first direction are formed in the side surface of the mounting plate 3; the central axis direction of the second through hole 16 is parallel to the second direction.
In use, the U-shaped clamping members 13 are slid to a proper position by sliding the second slider 14, the first through hole is aligned with one of the second through holes 16, and the second slider 14 is fixed in the second sliding groove 15 by passing a bolt through the aligned first through hole and the aligned second through hole 16, so that the distance between the two U-shaped clamping members 13 is adjustable.
Furthermore, an elastic component is arranged in the U-shaped clamping piece 13; the elastic component is arranged on one side wall of the U-shaped clamping piece 13; specifically, the elastic assembly includes a buffer plate 17, and a first spring 18 connecting the buffer plate 17 and a side wall of the U-shaped clamp 13; the elastic component can be arranged to realize better clamping of the net rack.
The principles and embodiments of the present application are explained herein using specific examples, which are provided only to help understand the method and the core idea of the present application. The foregoing is only a preferred embodiment of the present application, and it should be noted that there are no specific structures which are objectively limitless due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes can be made without departing from the principle of the present invention, and the technical features mentioned above can be combined in a suitable manner; such modifications, variations, combinations, or adaptations of the invention in other instances, which may or may not be practiced, are intended to be within the scope of the present application.
Claims (7)
1. An automatic net rack lifting mechanism of a printing machine is characterized by comprising a base (1); two supporting plates (2) are distributed on the top surface of the base (1) along a first direction; a mounting plate (3) for fixing the net rack and a lifting assembly which is connected with the base (1) and used for driving the mounting plate (3) to lift are arranged above the base (1);
the lifting assembly comprises: the bidirectional screw rod (4) is connected between the two support plates (2); screw rod nut blocks (5) are symmetrically arranged at two ends of the bidirectional screw rod (4); the bottom end of the screw rod nut block (5) is connected with the base (1) in a sliding manner, and the top end of the screw rod nut block is hinged with a support rod (6); the free end of the supporting rod (6) is hinged with the mounting plate (3); one end of the bidirectional screw rod (4) is connected with a driving device (7) for driving the bidirectional screw rod (4) to rotate; the two lead screw nut blocks (5) can slide towards the middle or two ends of the bidirectional lead screw (4) simultaneously under the driving of the bidirectional lead screw (4);
the top of the mounting plate (3) is provided with a clamping mechanism for clamping the net rack; the clamping mechanism comprises two U-shaped clamping pieces (13) which are symmetrically arranged; the open ends of the two U-shaped clamping pieces (13) are arranged oppositely, and the distance between the two U-shaped clamping pieces (13) is adjustable.
2. The automatic lifting mechanism of the net rack of the printing machine according to claim 1, characterized in that the top end of the lead screw nut block (5) is fixedly connected with a connecting plate (8); the connecting plate (8) extends in a second direction; the second direction is perpendicular to the first direction; the two ends of the connecting plate (8) are respectively connected with the mounting plate (3) through the supporting rod (6).
3. The automatic net rack lifting mechanism of the printing machine according to claim 1, wherein hollow support columns (9) are respectively arranged at two ends of the top of the support plate (2); the bottom of the mounting plate (3) is provided with a plug column (10) at a corresponding position; the free end of the inserting column (10) is movably inserted into the supporting column (9) at the corresponding position.
4. The automatic net rack lifting mechanism of the printing machine according to claim 1, wherein a first sliding block (11) is fixedly connected to the bottom end of the lead screw nut block (5); the top of the base (1) is provided with a first sliding chute (12) extending along the first direction; the first sliding block (11) is connected in the first sliding groove (12) in a sliding mode.
5. The automatic rack lifting mechanism of a printing machine according to claim 1, characterized in that the side of the U-shaped clamp (13) relatively close to the mounting plate (3) is provided with a second slider (14); a second sliding groove (15) extending along the first direction is formed in the top of the mounting plate (3); the second sliding block (14) is connected in the second sliding groove (15) in a sliding manner; a first through hole which is communicated with the second sliding block (14) is formed in the second sliding block; a plurality of second through holes (16) distributed along the first direction are formed in the side surface of the mounting plate (3); the second slider (14) is fixed in the second runner (15) by passing a bolt through the first through hole and any one of the second through holes (16).
6. The automatic rack lifting mechanism of a printing machine according to claim 1, characterized in that an elastic component is arranged in the U-shaped clamping piece (13); the elastic component is arranged on one of the side walls of the U-shaped clamping piece (13).
7. The automatic rack lifting mechanism of a printing press according to claim 6, wherein the elastic member includes a buffer plate (17), and a first spring (18) connecting the buffer plate (17) and a side wall of the U-shaped clamp (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123306307.9U CN217021867U (en) | 2021-12-27 | 2021-12-27 | Automatic net rack lifting mechanism of printing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123306307.9U CN217021867U (en) | 2021-12-27 | 2021-12-27 | Automatic net rack lifting mechanism of printing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217021867U true CN217021867U (en) | 2022-07-22 |
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ID=82443490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123306307.9U Active CN217021867U (en) | 2021-12-27 | 2021-12-27 | Automatic net rack lifting mechanism of printing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217021867U (en) |
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2021
- 2021-12-27 CN CN202123306307.9U patent/CN217021867U/en active Active
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