CN217047886U - Automatic pressure adjusting device for rubber roller of offset press - Google Patents
Automatic pressure adjusting device for rubber roller of offset press Download PDFInfo
- Publication number
- CN217047886U CN217047886U CN202220444312.1U CN202220444312U CN217047886U CN 217047886 U CN217047886 U CN 217047886U CN 202220444312 U CN202220444312 U CN 202220444312U CN 217047886 U CN217047886 U CN 217047886U
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- offset press
- pressure
- rubber roll
- roller
- printing rubber
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Abstract
The utility model is suitable for a lithography apparatus technical field provides an automatic adjusting device of offset press rubber roll pressure, including the offset press body, the bottom is fixed in the offset press body is provided with the bracing piece, be provided with the conveying axle between the bracing piece, the conveying is epaxial to rotate and is provided with the transfer roller, every the bracing piece outside all is provided with the pressure sensing device that can monitor printing rubber roll pressure in real time, the outside of offset press body is provided with the rotating electrical machines that can adjust printing rubber roll pressure; the printing rubber roll moves downwards to print paper on the conveying roller, the printing rubber roll can generate initial pressure on the pressure sensing device, a pressure value is set on the pressure sensor, when the printing rubber roll changes the pressure of the pressure sensing device, the pressure sensor controls the rotating motor to work through a wireless signal, then the steel wire rope is controlled to contract or transfer, and the purpose of automatically adjusting the pressure of the printing rubber roll is achieved.
Description
Technical Field
The utility model belongs to the technical field of the lithography apparatus, especially, relate to an offset press rubber roll pressure automatic regulating apparatus.
Background
The offset press is one kind of offset press, the printing picture and text is printed on the rubber cylinder from the printing plate first during printing, then transfer to the paper by the rubber cylinder, the offset press is divided into single-sheet offset press and web offset press according to the different paper feeding modes, the printing color number completed by one-time paper feeding can be divided into single-color, double-color, four-color and multi-color press, the printing press can be divided into small offset press, six-opening, four-opening, split and full-sheet press according to the maximum paper breadth of the printing, in addition, a double-side press capable of completing two-side printing by one-time paper feeding is also provided, the single-sheet offset press is an offset press, is used for printing high-grade commercial prints and packaging prints, and is the mainstream of modern paper printing.
In the long-time use process of the offset press, the self pressure of the printing rubber roll can be changed slowly, so that ink marks on printed paper become too much or too little, the paper becomes unqualified, and the device capable of automatically adjusting the pressure of the printing rubber roll is designed for avoiding the situation.
SUMMERY OF THE UTILITY MODEL
The utility model provides an offset press rubber roll pressure automatic regulating apparatus aims at offset press in long-time use, and the pressure of printing rubber roll produces the problem that changes and lead to the printing paper unqualified.
The utility model discloses a realize like this, an offset press rubber roll pressure automatic regulating apparatus, including the offset press body, the bottom is fixed to be provided with the bracing piece in the offset press body, be provided with the conveying axle between the bracing piece, the epaxial rotation of conveying is provided with the transfer roller, every the bracing piece outside all is provided with the pressure sensing device that can real-time supervision printing rubber roll pressure, the outside of offset press body is provided with the adjustable printing rubber roll pressure's rotating electrical machines.
Preferably, the pressure sensing device comprises a sensing device shell, a pressure sensing column penetrates through the upper surface of the sensing device shell, the top end of the pressure sensing column is connected with a pressure touch panel, the bottom of the pressure sensing column is internally provided with a pressure sensor in the sensing device shell, and the bottom of the sensing device shell is in threaded connection with an adjusting screw rod.
Preferably, the printing rubber roll sets up directly over the transfer roller, just the printing rubber roll rotates and sets up on the offset press roller axle, all seted up on offset press body both sides wall with the corresponding first sliding hole of offset press roller axle, the both ends of offset press roller axle extend to the outside in first sliding hole is provided with first limiting plate.
Preferably, a linkage roller is arranged above the rear portion of the printing rubber roller, two ends of the linkage roller are connected with second rotating plates, the outer sides of the second rotating plates are connected with connecting rods in a rotating mode, and second sliding holes corresponding to the connecting rods are formed in two side walls of the offset press body.
Preferably, the two ends of the connecting rod extend to the outside of the second sliding hole and are connected with second limiting plates, first rotating plates corresponding to the second rotating plates are sleeved on the rubber roll shaft, and the first rotating plates are rotatably connected with the second rotating plates through connecting shafts.
Preferably, fixed pulleys are arranged above the connecting rods and on the outer sides of the two side walls of the offset press body through pulley shafts, steel wire ropes are wound on the fixed pulleys, and one ends of the steel wire ropes are wound on the corresponding connecting rods.
Preferably, it is provided with the rotary rod to rotate on the rotating electrical machines, the right-hand member of rotary rod runs through the both sides wall of offset press body, and extend to the right side wall outside of offset press body is provided with the third limiting plate, just the both sides wall outside of offset press body, in all the cover is equipped with the roll runner on the rotary rod, wire rope's the other end twine in on the roll runner.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses an automatic adjusting device of offset press rubber roll pressure, printing rubber roll downstream prints the paper on the conveying roller, and printing rubber roll can produce initial pressure to pressure sensing device simultaneously, and pressure value is set for on the pressure sensor, and when printing rubber roll produced the change to pressure sensing device's pressure, pressure sensor passed through the work of radio signal control rotating electrical machines, then control wire rope shrink or transfer, reach the purpose of automatically regulated printing rubber roll pressure.
Drawings
Fig. 1 is a schematic front sectional view of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic side view of the connection of the first rotating plate and the second rotating plate of the present invention;
fig. 4 is a schematic diagram of the internal structure of the middle pressure sensing device of the present invention;
in the figure: 1. an offset printing machine body; 2. a support bar; 3. a transfer shaft; 4. a conveying roller; 5. a pressure sensing device; 51. a sensing device housing; 52. a pressure touch panel; 53. a pressure sensing column; 54. a pressure sensor; 55. Adjusting the screw rod; 6. printing a rubber roller; 7. a rubber roll shaft; 8. a first rotation plate; 9. a first slide hole; 10. A first limit plate; 11. a linkage roller; 12. a second rotating plate; 13. a connecting shaft; 14. a second sliding hole; 15. a second limiting plate; 16. a wire rope; 17. a fixed pulley; 18. a pulley shaft; 19. rolling the runner; 20. A rotating electric machine; 21. rotating the rod; 22. a third limiting plate; 23. a connecting rod.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides an automatic adjusting device of offset press rubber roll pressure, includes offset press body 1, and the bottom is fixed to be provided with bracing piece 2 in the offset press body 1, is provided with conveying axle 3 between the bracing piece 2, rotates on the conveying axle 3 to be provided with transfer roller 4, but the 2 outsides of every bracing piece all are provided with the pressure sensing device 5 of real-time supervision printing rubber roll 6 pressure, and the outside of offset press body 1 is provided with the rotating electrical machines 20 of adjustable printing rubber roll 6 pressure.
The printing paper passes through the conveying roller 4 and is conveyed by the transmission device, and the printing rubber roller 6 is used for printing the paper.
Further, the pressure sensing device 5 comprises a sensing device shell 51, a pressure sensing column 53 penetrates through the upper surface of the sensing device shell 51, a pressure touch plate 52 is connected to the top end of the pressure sensing column 53, a pressure sensor 54 is arranged in the sensing device shell 51 at the bottom of the pressure sensing column 53, and an adjusting screw 55 is in threaded connection with the bottom of the sensing device shell 51.
When the printing rubber roller 6 prints on paper, downward pressure is generated on the pressure touch plate 52 and is transmitted to the pressure sensor 54 through the pressure sensing column 53, a set value is set on the pressure sensor 54, when the downward pressure of the printing rubber roller 6 changes, the downward pressure of the printing rubber roller 6 is controlled through the rotating motor 20 by transmitting the pressure sensor 54 to the rotating motor 20 through a wireless signal; the adjustment screw 55 allows for manual adjustment of the reading on the pressure sensor 54 as needed.
Specifically, the printing rubber roll 6 is arranged right above the conveying roller 4, the printing rubber roll 6 is rotatably arranged on the rubber roll shaft 7, first sliding holes 9 corresponding to the rubber roll shaft 7 are formed in two side walls of the offset press body 1, and two ends of the rubber roll shaft 7 extend to the outer side of the first sliding holes 9 and are provided with first limiting plates 10.
Usually, a linkage roller 11 is disposed at the rear upper portion of the printing rubber roller 6, two ends of the linkage roller 11 are connected to the second rotating plates 12, the outer sides of the two second rotating plates 12 are rotatably connected to a connecting rod 23, and second sliding holes 14 corresponding to the connecting rod 23 are formed in two side walls of the offset printing machine body 1.
The printing rubber roller 6 can move up and down in the range of the first sliding hole 9, and the width of the first sliding hole 9 is consistent with the diameter of the rubber roller shaft 7, so that the printing rubber roller 6 can only move up and down and cannot move left and right.
In addition, two ends of the connecting rod 23 extend out of the second sliding hole 14 and are connected with a second limiting plate 15, a first rotating plate 8 corresponding to the second rotating plate 12 is sleeved on the glue roller shaft 7, and the first rotating plate 8 is rotatably connected with the second rotating plate 12 through a connecting shaft 13.
The connecting rod 23 can move up and down in the second sliding hole 14, and the width of the second sliding hole 14 is consistent with the diameter of the connecting rod 23, so that the connecting rod 23 can only move up and down in the second sliding hole 14;
the connecting rod 23 can drive the glue roller shaft 7 and the printing glue roller 6 to move up and down through the first rotating plate 8 and the second rotating plate 12; the first rotation plate 8 and the second rotation plate 12 are rotatably connected.
In addition, fixed pulleys 17 are respectively arranged on the outer sides of the two side walls of the offset printing machine body 1 above the connecting rods 23 through pulley shafts 18, steel wire ropes 16 are wound on the fixed pulleys 17, and one ends of the steel wire ropes 16 are wound on the corresponding connecting rods 23.
The connecting rod 23 can be controlled to move up and down through winding and lengthening of the steel wire rope 16, so that the rubber roller shaft 7 and the printing rubber roller 6 can be controlled to move up and down, and the purpose of controlling the downward pressure of the printing rubber roller 6 is achieved.
Further, a rotating rod 21 is rotatably disposed on the rotating motor 20, a right end of the rotating rod 21 penetrates through two side walls of the offset press body 1 and extends to an outer side of a right side wall of the offset press body 1, a third limiting plate 22 is disposed, and outside the two side walls of the offset press body 1, a rolling wheel 19 is sleeved on the rotating rod 21, and the other end of the steel wire rope 16 is wound on the rolling wheel 19.
The rotating motor 20 works to control the rotating rod 21 to drive the rolling wheel 19 to rotate forward or backward, thereby controlling the steel wire rope 16 to contract or lengthen.
The utility model discloses a theory of operation and use flow: after the utility model is installed, the printing paper passes through the conveying roller 4 and is conveyed by the transmission device, the printing rubber roller 6 prints the paper, when the printing rubber roller 6 prints the paper, downward pressure can be generated on the pressure touch plate 52 and is transmitted to the pressure sensor 54 through the pressure sensing column 53, and the pressure sensor 54 generates a reading (the initial reading is a set value);
when the rubber roller machine works for a long time, the downward pressure of the printing rubber roller 6 changes, the indication number on the pressure sensor 54 changes, the pressure sensor 54 can transmit a wireless signal to the rotating motor 20, the rotating motor 20 works, and the rotating rod 21 is controlled to drive the rolling rotating wheel 19 to rotate forwards (pressure is increased) or reversely (pressure is reduced), so that the steel wire rope 16 is controlled to contract or lengthen;
when the steel wire rope 16 contracts or expands, the connecting rod 23 moves upwards or downwards along with the steel wire rope, the rubber roller shaft 7 and the printing rubber roller 6 are controlled to move upwards or downwards through the first rotating plate 8 and the second rotating plate 12, the downward pressure of the printing rubber roller 6 is reduced or increased along with the upward movement of the rubber roller shaft, and the purpose of automatically controlling the downward pressure of the printing rubber roller 6 is achieved.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. The utility model provides an offset press rubber roll pressure automatic regulating apparatus which characterized in that: including offset press body (1), the bottom is fixed in offset press body (1) and is provided with bracing piece (2), be provided with conveying axle (3) between bracing piece (2), it is provided with transfer roller (4) to rotate on conveying axle (3), every bracing piece (2) outside all is provided with pressure sensing device (5) that can real-time supervision printing rubber roll (6) pressure, the outside of offset press body (1) is provided with adjustable rotating electrical machines (20) of printing rubber roll (6) pressure.
2. The automatic pressure adjusting device for the rubber roller of the offset press as claimed in claim 1, wherein: pressure sensing device (5) include sensing device shell (51), the upper surface of sensing device shell (51) runs through and is provided with pressure sensing post (53), the top of pressure sensing post (53) is connected with pressure touch panel (52), the bottom of pressure sensing post (53), in be provided with pressure sensor (54) in sensing device shell (51), the bottom threaded connection of sensing device shell (51) has adjusting screw (55).
3. The automatic pressure adjusting device for the rubber roller of the offset press as claimed in claim 1, wherein: printing rubber roll (6) set up directly over transfer roller (4), just printing rubber roll (6) rotate to set up on offset press roller axle (7), all seted up on offset press body (1) both sides wall with offset press roller axle (7) corresponding first slip hole (9), the both ends of offset press roller axle (7) extend to the outside of first slip hole (9) is provided with first limiting plate (10).
4. The automatic pressure adjustment device for an offset press roller according to claim 3, wherein: the back upper place of printing rubber roll (6) is provided with linkage roller (11), the both ends of linkage roller (11) all are connected with second rotor plate (12), two the outside of second rotor plate (12) all rotates and is connected with connecting rod (23), all seted up on the both sides wall of offset press body (1) with second sliding hole (14) corresponding in connecting rod (23).
5. The automatic pressure adjustment device for an offset press roller according to claim 4, wherein: the both ends of connecting rod (23) extend to outside second sliding hole (14) and be connected with second limiting plate (15), the cover is equipped with on gluey roller axle (7) in second rotor plate (12) corresponding first rotor plate (8), first rotor plate (8) through connecting axle (13) with second rotor plate (12) rotate and are connected.
6. The automatic pressure adjustment device for an offset press roller according to claim 4, wherein: the upper portion of connecting rod (23), in the outside of offset press body (1) both sides wall all is provided with fixed pulley (17) through pulley shaft (18), all around there being wire rope (16) on fixed pulley (17), the one end of wire rope (16) twines in the correspondence on connecting rod (23).
7. The automatic pressure adjustment device for an offset press roller according to claim 6, wherein: rotate on rotating electrical machines (20) and be provided with rotary rod (21), the right-hand member of rotary rod (21) runs through the both sides wall of offset press body (1), and extend to the right side wall outside of offset press body (1) is provided with third limiting plate (22), just the both sides wall outside of offset press body (1), in all overlap on rotary rod (21) and be equipped with roll runner (19), the other end of wire rope (16) twine in roll on runner (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220444312.1U CN217047886U (en) | 2022-03-02 | 2022-03-02 | Automatic pressure adjusting device for rubber roller of offset press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220444312.1U CN217047886U (en) | 2022-03-02 | 2022-03-02 | Automatic pressure adjusting device for rubber roller of offset press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217047886U true CN217047886U (en) | 2022-07-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220444312.1U Active CN217047886U (en) | 2022-03-02 | 2022-03-02 | Automatic pressure adjusting device for rubber roller of offset press |
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| Country | Link |
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| CN (1) | CN217047886U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115682650A (en) * | 2022-11-02 | 2023-02-03 | 西安泰金新能科技股份有限公司 | Lightweight rubber roll capable of monitoring pressing force |
-
2022
- 2022-03-02 CN CN202220444312.1U patent/CN217047886U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115682650A (en) * | 2022-11-02 | 2023-02-03 | 西安泰金新能科技股份有限公司 | Lightweight rubber roll capable of monitoring pressing force |
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