CN214873379U - Device for adjusting image-text transfer printing pressure of offset press - Google Patents
Device for adjusting image-text transfer printing pressure of offset press Download PDFInfo
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- CN214873379U CN214873379U CN202121061606.8U CN202121061606U CN214873379U CN 214873379 U CN214873379 U CN 214873379U CN 202121061606 U CN202121061606 U CN 202121061606U CN 214873379 U CN214873379 U CN 214873379U
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- offset press
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Abstract
The utility model relates to a device for adjusting offset press picture and text rendition pressure, including fixed plate, U type groove, pivot, eccentric shaft, lock nut, above the fixed plate one end fixed connection axle sleeve, the fixed plate other end is opened there is U type groove, and the rotatable run-through of pivot is installed on the curb plate support, and pivot one end design has the eccentric shaft, and the design of pivot other end has the lead screw, and the eccentric shaft is located U type inslot, and the eccentric shaft contacts with the inner wall in U type groove, and the rotatory tip design who installs lock nut and lead screw of lead screw has two boss bayonet sockets. The advantages are ingenious design, convenient use, reasonable structure, low cost and high precision; the eccentric shaft is driven to rotate by rotating the adjusting rotating shaft, so that the eccentric shaft acts on the U-shaped groove, the fixed plate drives the shaft sleeve to rotate, the shaft sleeve rotates, the distance between the axis of the plate cylinder arranged in the eccentric hole and the axis of the blanket cylinder changes, and the relative pressure between the plate cylinder and the blanket cylinder also changes correspondingly.
Description
Technical Field
The utility model relates to an offset press machinery, concretely relates to a device for adjusting offset press picture and text rendition pressure.
Background
The offset press comprises a plate cylinder, a blanket cylinder and side plate supports, wherein two ends of the blanket cylinder are respectively rotatably mounted on the side plate supports on two sides, the plate cylinder is positioned above the blanket cylinder in an inclined mode and is in interference fit with the blanket cylinder, two ends of the plate cylinder are respectively mounted on the side plate supports on two sides through shaft sleeves, an eccentric hole is formed in each shaft sleeve, two ends of the plate cylinder are respectively rotatably mounted in the eccentric holes, and then the shaft sleeves are adjusted to rotate through a worm and gear assembly to adjust the pressure between the plate cylinder and the blanket cylinder.
Disclosure of Invention
In order to solve the technical problem, the utility model provides a device for adjusting offset press picture and text rendition pressure, design benefit, convenient to use, it is rational in infrastructure, with low costs, the precision is high.
The technical scheme of the utility model:
a device for adjusting the image-text transfer printing pressure of an offset press comprises a plate cylinder, a blanket cylinder, side plate supports, two ends of the blanket cylinder are respectively and rotatably mounted on the side plate supports on two sides, the plate cylinder is positioned above the blanket cylinder in an oblique manner and is in interference fit with the blanket cylinder, two ends of the plate cylinder are respectively mounted on the side plate supports on two sides through shaft sleeves, an eccentric hole is formed in each shaft sleeve, two ends of the plate cylinder are respectively and rotatably mounted in the eccentric holes, the offset press further comprises a device for adjusting the image-text transfer printing pressure of the offset press, the device for adjusting the image-text transfer printing pressure of the offset press comprises a fixed plate, a U-shaped groove, a rotating shaft, an eccentric shaft and a locking nut, one end of the fixed plate is fixedly connected to the upper surface of each shaft sleeve, the other end of the fixed plate is provided with a U-shaped groove, the rotating shaft is rotatably mounted on the side plate supports in a penetrating manner, and one end of the rotating shaft is provided with an eccentric shaft, the other end of the rotating shaft is provided with a screw rod, the eccentric shaft is positioned in the U-shaped groove and is in contact with the inner wall of the U-shaped groove, the screw rod is rotatably provided with a locking nut, and the end part of the screw rod is provided with two boss bayonets.
And a guide sleeve is rotatably arranged on the outer side of the eccentric shaft, and the outer side of the guide sleeve is abutted in the U-shaped groove.
The eccentric shaft is arranged on the side, close to the eccentric shaft, of the rotating shaft, an annular boss is designed on one side, a through hole is also formed in the side plate support, an annular step is formed in the end portion of the through hole, one end of the rotating shaft penetrates through the through hole, the annular boss is clamped on the annular step, a gasket is sleeved on the outer side of the screw rod after the other end of the rotating shaft penetrates through the through hole, a locking nut is screwed on the screw rod and is tightly pressed on the side plate support through the gasket, and a boss bayonet at the end portion of the screw rod extends out of the locking nut.
The device for adjusting the image-text transfer printing pressure of the offset press is designed into two groups, is respectively arranged on the side plate brackets at two sides, and is respectively and adjustably connected with the shaft sleeves at two sides.
The utility model has the advantages of ingenious design, convenient use, reasonable structure, low cost and high precision; the eccentric shaft is driven to rotate by rotating the adjusting rotating shaft, so that the eccentric shaft acts on the U-shaped groove, the fixed plate drives the shaft sleeve to rotate, the shaft sleeve rotates, the distance between the axis of the plate cylinder arranged in the eccentric hole and the axis of the blanket cylinder changes, and the relative pressure between the plate cylinder and the blanket cylinder also changes correspondingly.
Drawings
Fig. 1 is a schematic side view of the present invention.
Fig. 2 is a vertical cross-sectional view of the present invention.
Fig. 3 is a partially enlarged schematic view of fig. 2.
Fig. 4 is a horizontal cross-sectional view of the present invention.
Fig. 5 is a partial schematic view of the eccentric shaft and the rotating shaft of the present invention.
Detailed Description
Referring to the attached drawings 1-5, the offset press comprises a plate cylinder 1, a blanket cylinder 2 and a side plate support 3, wherein two ends of the blanket cylinder 2 are respectively and rotatably mounted on the side plate supports 3 at two sides, the plate cylinder 1 is positioned above the blanket cylinder 2 in an inclined manner and is in interference fit with the blanket cylinder 2, two ends of the plate cylinder 1 are respectively mounted on the side plate supports 3 at two sides through a shaft sleeve 4, an eccentric hole 5 is designed on the shaft sleeve 4, two ends of the plate cylinder 1 are respectively and rotatably mounted in the eccentric hole 5, the offset press further comprises a device for adjusting the image-text transfer pressure of the offset press, the device for adjusting the image-text transfer pressure of the offset press comprises a fixing plate 6, a U-shaped groove 7, a rotating shaft 8, an eccentric shaft 9 and a locking nut 10, one end of the fixing plate 6 is fixedly connected onto the shaft sleeve 4, and the other end of the fixing plate 6 is provided with the U-shaped groove 7, the rotating shaft 8 is rotatably installed on the side plate support 3 in a penetrating mode, an eccentric shaft 9 is designed at one end of the rotating shaft 8, a screw rod 11 is designed at the other end of the rotating shaft 8, the eccentric shaft 9 is located in the U-shaped groove 7, the eccentric shaft 9 is in contact with the inner wall of the U-shaped groove 7, a locking nut 10 is installed on the screw rod 11 in a rotating mode, and two boss bayonets 12 are designed at the end portion of the screw rod 11.
And a guide sleeve 13 is rotatably arranged on the outer side of the eccentric shaft 9, and the outer side of the guide sleeve 13 is abutted in the U-shaped groove 7.
An annular boss 14 is designed on one side, close to the eccentric shaft 9, of the rotating shaft 8, a through hole is also formed in the side plate support 3, an annular step is formed in the end portion of the through hole, one end of the rotating shaft 8 penetrates through the through hole, the annular boss 14 is clamped on the annular step, after the other end of the rotating shaft 8 penetrates through the through hole, the gasket is sleeved on the outer side of the screw rod 11, the locking nut 10 is screwed on the screw rod 11, the locking nut 10 is tightly pressed on the side plate support 3 through the gasket 15, and a boss bayonet 12 in the end portion of the screw rod 11 extends out of the locking nut 10.
The device for adjusting the image-text transfer printing pressure of the offset press is designed into two groups, is respectively arranged on the side plate brackets 3 at two sides, and is respectively and adjustably connected with the shaft sleeves 4 at two sides.
The utility model discloses during the use, loosen lock nut 10, through the spanner card on boss bayonet 12, it is rotatory to make the eccentric shaft 9 that pivot 8 drove the tip rotatory, eccentric shaft 9 direct eccentric rotation or indirect U type groove 7 that acts on fixed plate 6 through guide pin bushing 13 eccentric rotation, it is rotatory to make fixed plate 6 rotatory drive axle sleeve 4, axle sleeve 4 is rotatory then rotatory the distance of installing printing plate cylinder 1 at eccentric orfice 5 between for rubber cylinder changes, adjust the axle center distance size between printing plate cylinder 1 for rubber cylinder through forward rotation pivot 8 or reverse rotation pivot 8, thereby realize adjusting relative pressure between the two and satisfy picture and text rendition demand, the printing quality improves, the printed matter is clear, full color and luster.
Claims (4)
1. A device for adjusting the image-text transfer printing pressure of an offset press comprises a plate cylinder, a blanket cylinder, side plate supports, two ends of the blanket cylinder are respectively and rotatably mounted on the side plate supports on two sides, the plate cylinder is positioned above the blanket cylinder in an oblique manner and is in interference fit with the blanket cylinder, two ends of the plate cylinder are respectively mounted on the side plate supports on two sides through shaft sleeves, an eccentric hole is formed in each shaft sleeve, two ends of the plate cylinder are respectively and rotatably mounted in the eccentric holes, the offset press further comprises a device for adjusting the image-text transfer printing pressure of the offset press, and the device for adjusting the image-text transfer printing pressure of the offset press is characterized by comprising a fixing plate, a U-shaped groove, a rotating shaft, an eccentric shaft and a locking nut, one end of the fixing plate is fixedly connected with the shaft sleeves, the other end of the fixing plate is provided with the U-shaped groove, the rotating shaft is rotatably mounted on the side plate supports, and one end of the rotating shaft is provided with the eccentric shaft, the other end of the rotating shaft is provided with a screw rod, the eccentric shaft is positioned in the U-shaped groove and is in contact with the inner wall of the U-shaped groove, the screw rod is rotatably provided with a locking nut, and the end part of the screw rod is provided with two boss bayonets.
2. The device for regulating the image-text transfer pressure of an offset press as claimed in claim 1, wherein a guide sleeve is rotatably mounted on the outer side of the eccentric shaft, and the outer side of the guide sleeve abuts against the inside of the U-shaped groove.
3. The device for adjusting the image-text transfer pressure of an offset press according to claim 1, wherein the side of the rotating shaft close to the eccentric shaft is provided with an annular boss, the side plate bracket is also provided with a through hole, the end part of the through hole is provided with an annular step, one end of the rotating shaft passes through the through hole, the annular boss is clamped on the annular step, after the other end of the rotating shaft passes through the through hole, the gasket is sleeved on the outer side of the screw rod, the locking nut is screwed on the screw rod and is tightly pressed on the side plate bracket through the gasket, and a boss bayonet at the end part of the screw rod extends out of the outer side of the locking nut.
4. The device for adjusting the image-text transfer pressure of the offset press as claimed in claim 1, wherein the device for adjusting the image-text transfer pressure of the offset press is designed into two groups, which are respectively installed on the side plate supports at both sides and respectively adjustably connect the shaft sleeves at both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121061606.8U CN214873379U (en) | 2021-05-18 | 2021-05-18 | Device for adjusting image-text transfer printing pressure of offset press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121061606.8U CN214873379U (en) | 2021-05-18 | 2021-05-18 | Device for adjusting image-text transfer printing pressure of offset press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214873379U true CN214873379U (en) | 2021-11-26 |
Family
ID=78891341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121061606.8U Active CN214873379U (en) | 2021-05-18 | 2021-05-18 | Device for adjusting image-text transfer printing pressure of offset press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214873379U (en) |
-
2021
- 2021-05-18 CN CN202121061606.8U patent/CN214873379U/en active Active
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