CN211542799U - Transfer swing arm device and printing machine - Google Patents
Transfer swing arm device and printing machine Download PDFInfo
- Publication number
- CN211542799U CN211542799U CN201921914283.5U CN201921914283U CN211542799U CN 211542799 U CN211542799 U CN 211542799U CN 201921914283 U CN201921914283 U CN 201921914283U CN 211542799 U CN211542799 U CN 211542799U
- Authority
- CN
- China
- Prior art keywords
- transmission
- swing arm
- cylinder
- rendition
- transmission device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Rotary Presses (AREA)
Abstract
The transfer printing swing arm device is in transmission connection with the driving device, the rack is also provided with an auxiliary positioning mechanism, the auxiliary positioning mechanism comprises a positioning rod, a fixed seat and a transmission device, the fixed seat is provided with a mounting hole, and the transmission device comprises a transmission wheel; the mounting hole is in threaded transmission fit connection with the positioning rod and is provided with a transmission hole in axial direction and rotation transmission fit with the positioning rod, or the mounting hole is in axial direction fit with the positioning rod and is provided with a transmission hole in the transmission wheel in threaded transmission fit connection with the positioning rod. The swing of rendition swing arm is driven by drive arrangement, and auxiliary positioning mechanism's locating lever axial displacement is adjusted, can cooperate drive arrangement to carry out auxiliary positioning to the rendition swing arm to can adjust the cooperation pressure between rendition cylinder and the version cylinder, and make the cooperation pressure between rendition cylinder and the version cylinder more stable, more even, the printing effect is better. The influence on the quality of a printed product caused by the micro-jitter of the plate roller during printing is avoided.
Description
Technical Field
The utility model relates to a rendition swing arm device and printing machine.
Background
Have transfer printing cylinder 4 cooperation version cylinder 1, impression cylinder crimping in the printing machine that contains the offset printing mechanism and roll and be used for printing, version cylinder and impression cylinder are supported by the frame wallboard and are rotated, and transfer printing cylinder sets up on the rendition swing arm, is rotated by the rendition swing arm and supports, and the rendition swing arm is carried out the swing back and forth by the drive arrangement transmission. When the transfer printing cylinders with different specifications and outer diameters are selected, the rotary swing arm changes the position through rotation, the position of the transfer printing cylinder arranged on the rotary swing arm can be adjusted, and the transfer printing cylinders with different specifications and outer diameters can be kept matched with the plate cylinder and the impression cylinder 2.
When version cylinder and transfer printing cylinder contact printing, receive the drive arrangement of rendition swing arm to transmit the effort of rendition cylinder (great), the rotation of version cylinder device also can drive the version cylinder when printing a little beat with fit clearance under this effect of power, and this kind of little beat reacts and influences the printed matter quality in the printed matter.
SUMMERY OF THE UTILITY MODEL
In view of the technical problem who exists among the background art, the utility model aims at providing a make the rendition swing arm device and the printing machine that cooperation pressure between rendition cylinder and the version cylinder on the rendition swing arm is adjustable and stable, the printing effect is better.
In order to solve the technical problem, the utility model discloses a following technical scheme: rendition swing arm device, including the rendition swing arm that the swing set up in the frame, the rendition swing arm is connected its characterized in that with the drive arrangement transmission: the rack is also provided with an auxiliary positioning mechanism, the auxiliary positioning mechanism comprises a positioning rod, a fixed seat and a transmission device, the fixed seat is connected to the rack, the fixed seat is provided with a mounting hole, and the transmission device comprises a transmission wheel; the mounting hole is in threaded transmission fit connection with the positioning rod and is provided with a transmission hole in axial direction and rotation transmission fit with the positioning rod, or the mounting hole is in axial direction fit with the positioning rod and is provided with a transmission hole in the transmission wheel in threaded transmission fit connection with the positioning rod.
The locating lever is located the front side of rendition swing arm.
The transmission device adopts a worm gear transmission device, the worm gear transmission device comprises a worm wheel and a worm, the worm wheel is in transmission connection with the worm, the worm is in transmission connection with a motor, and the transmission wheel adopts the worm wheel.
The transmission device adopts a gear transmission device, the gear transmission device comprises a gear, the gear is in transmission connection with the motor, and the transmission wheel adopts the gear.
The driving device comprises a push rod, an ejector rod, a cylinder transmission device and a lifting transmission device, wherein the cylinder transmission device comprises a cylinder, the lifting transmission device comprises a lifting sliding plate, the push rod is hinged to a transfer printing swing arm, the ejector rod is hinged to the lifting sliding plate, the push rod is hinged to the ejector rod, one end of the cylinder is hinged to the push rod and the ejector rod, and the other end of the cylinder is hinged to the lifting sliding plate.
The lifting slide plate is connected to a lifting track of the frame and is in transmission connection with a lifting driving system, and the air cylinder adopts a double-stroke air cylinder or a double-air cylinder.
Printing machine, including offset printing mechanism, its characterized in that: the offset printing mechanism comprises the transfer printing swing arm device.
The beneficial effects of the utility model are that, this rendition swing arm device's rendition swing arm swing is driven by drive arrangement, and assistance-localization real-time mechanism's locating lever axial displacement is adjusted, can cooperate drive arrangement to carry out assistance-localization real-time to the rendition swing arm to can adjust the cooperation pressure between rendition cylinder and the version cylinder, and make the cooperation pressure between rendition cylinder and the version cylinder more stable, more even, the printing effect is better. The influence on the quality of a printed product caused by the micro-jitter of the plate roller during printing is avoided.
Secondly, when changing the rendition cylinder of installing different specification external diameters on the rendition swing arm, drive arrangement can be better the matching drive rendition swing arm swing, the better rendition cylinder that is suitable for different specification external diameters on the rendition swing arm.
Therefore, compared with the prior art, the utility model has substantive characteristics and progress.
Drawings
The following describes details and operational principles of embodiments and examples of the present invention with reference to the drawings.
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
In the embodiment, the printing machine comprises an offset printing mechanism, and the offset printing mechanism comprises a transfer printing swing arm device.
Referring to the drawings, the transfer swing arm device in the present embodiment includes a transfer swing arm 5, where the transfer swing arm 5 swings on the frame 1, and in this embodiment, the transfer swing arm is connected to a rotating shaft 25, and the rotating shaft supports the transfer swing arm to swing. The two ends of the rotating shaft can be supported by eccentric inner holes of the eccentric sleeves respectively, the eccentric sleeves are supported and rotated on the rack (on the mounting seat of the rack), and the position of the axis of the rotating shaft can be adjusted and changed by adjusting the eccentric sleeves, so that the position of the rotating axis of the transfer printing swing arm can be changed.
The transfer swing arm 5 is in transmission connection with a driving device, the driving device drives the transfer swing arm 5 to rotate back and forth, the transfer swing arm swings forwards and leans against the plate roller 1, and the transfer swing arm swings backwards and is far away from the plate roller 1.
In order to enable the matching pressure between the transfer printing roller 4 on the transfer printing swing arm and the plate roller 1 to be adjustable and stable after adjustment, the printing effect is better, and the transfer printing swing arm can stably meet the requirement of the printing matching pressure after being replaced and installed with the transfer printing rollers with different sizes and specifications. The influence on the quality of a printed product caused by the micro-jitter of the plate roller during printing is avoided. In this embodiment, still be equipped with auxiliary positioning mechanism in the frame, carry out auxiliary positioning to the rendition swing arm through auxiliary positioning mechanism, this auxiliary positioning mechanism includes locating lever 17, fixing base 18 and transmission, and fixing base 18 is connected in frame 3, is equipped with the mounting hole on the fixing base 18, and transmission includes drive wheel 20. Mounting hole, locating lever and drive wheel can adopt any one of following two kinds of structure cooperation modes: (1) in one mode, the mounting hole in the fixed seat 18 is in threaded transmission fit connection with the positioning rod 17, and the transmission wheel 20 is provided with a transmission hole which is in axial guiding and rotation transmission fit with the positioning rod 17; the mounting hole is in threaded transmission fit connection with the positioning rod, for example, the mounting hole adopts a threaded hole, and the positioning rod is provided with a threaded part; the transmission wheel is matched with the positioning shaft in an axial direction and in rotating transmission, a transmission hole can be formed in the transmission wheel, the positioning rod is provided with a matching part which is matched and sleeved with the transmission hole in an axial sliding mode, and the transmission hole is a square hole, a triangular hole, a polygonal hole, a guide key hole, a spline hole, a plane hole and the like, so that the rotating transmission requirement can be met, and the axial sliding fit can be met. (2) In another mode, not shown in the figure, the mounting hole is axially matched with the positioning rod in a guiding way, and the driving wheel is in threaded transmission fit connection with the positioning rod; the locating lever carries out axial sliding fit by the mounting hole direction, and the mounting hole can adopt the hole of similar above-mentioned transmission hole shape, has the screw hole on the drive wheel and carries out screw thread drive cooperation with the screw thread portion on the locating lever, is rotated by the drive wheel and drives locating lever axial displacement. Therefore, the positioning rod can be adjusted in axial displacement and is abutted against the transfer swing arm to assist in positioning the transfer swing arm, and the force transmitted to the transfer cylinder by the driving device of the transfer swing arm also acts on the positioning rod, so that the plate cylinder is kept to be uniformly and stably impressed.
The positioning rod 17 is matched with the transfer printing swing arm 5 in an abutting mode, the axial position of the positioning rod 17 is adjusted, and the positioning rod is matched for positioning. The transfer printing swing arm 5 is driven by a driving device to swing forwards, abuts against the plate roller 1, is propped against the rotating swing arm at the front side by a positioning rod to be matched and positioned, and the position of the matched and positioned position is changed by adjusting the axial position of the positioning rod 17 forwards and backwards; the front and back adjustment of the axial position of the positioning rod of the auxiliary positioning mechanism can be matched with the driving device to perform auxiliary positioning on the transfer printing swing arm, so that the matching pressure between the transfer printing roller and the plate roller can be adjusted, the matching pressure between the transfer printing roller and the plate roller is more stable and uniform, the axial adjustment stability of the positioning rod on the fixing seat is high, the printing effect is better, and the structure is compact.
The positioning rod 17 is positioned at the front side of the transfer printing swing arm 5, the transfer printing swing arm 5 is driven by the driving device to swing forwards, and is close to the plate roller 1, and the rotating swing arm is propped against the positioning rod at the front side to be matched and positioned. That is, the positioning rod is located on the opposite side of the nip pressure of the transfer cylinder 4.
The transmission device adopts a gear transmission device, the gear transmission device comprises a gear, the gear is in transmission connection with the motor, and the transmission wheel adopts the gear. Or, referring to the drawings, the transmission device adopts a worm gear and worm transmission device, the worm gear and worm transmission device comprises a worm wheel and a worm 21, the worm wheel is in transmission connection with the worm 21, the worm is in transmission connection with a motor, the transmission wheel 20 adopts the worm wheel, and the worm wheel and the worm are arranged in the box body 16.
Referring to the drawings, as a preferred structure, the positioning rod 17 has a threaded portion which is located in a mounting hole of the fixing seat 18 for threaded fit, the positioning rod 17 is sleeved in a transmission hole of a worm wheel (as a transmission wheel 20) to slide and rotate in a guiding direction, the worm wheel is in transmission connection with a worm, the worm is driven by a motor, and the worm wheel and the worm can be arranged in the box 16.
Be equipped with cooperation portion on the rendition swing arm 5, the cooperation portion and the locating lever top of rendition swing arm lean on the cooperation, and the rendition swing arm sets up the backing plate in cooperation portion, and life is longer.
Preferably, the driving device comprises a push rod 6, a push rod 8, a cylinder transmission device 22 and a lifting transmission device, the cylinder transmission device 23 comprises a cylinder (a large-stroke cylinder 14 for plate changing and a small-stroke cylinder 15 for combined pressing are adopted in the drawing), the lifting transmission device comprises a lifting sliding plate 13, the cylinder transmission device is arranged on the lifting sliding plate 13 and driven by the lifting sliding plate to lift, the push rod 6 is hinged on the transfer printing swing arm 5, the push rod 8 is hinged on the lifting sliding plate 13, the push rod 6 is hinged with the push rod 7, one end of the cylinder is hinged with the push rod and the push rod, and the other end of the cylinder is hinged on the lifting sliding plate 13. The cylinder leads to the air supply pressurization and withstands the rendition swing arm, and the atmospheric pressure through the cylinder changes the regulation, can cooperate the rendition cylinder of adjusting on the rendition swing arm to keep with impression cylinder and edition cylinder crimping to the cooperation pressure who rolls. Through the lift of lift slide, can the position of overall adjustment drive arrangement, make drive arrangement better satisfy the demand of changing the rendition cylinder of different specification and dimension on the rendition swing arm. The lifting slide plate 13 is connected to the lifting track 7 of the rack, the lifting slide plate can lift on the rack and lift along the lifting track 7 on the rack, and the slide block 9 can be arranged on the lifting plate to be matched with the lifting track, so that the lifting slide plate is more stable. The lifting slide plate is in transmission connection with the lifting driving system, and the lifting driving system drives the lifting slide plate to lift. The lifting driving system can adopt a motor with a screw rod transmission device (comprising a screw rod 11 and a screw nut 10) and a worm and gear transmission box 12 to drive the lifting slide plate to lift, so that the stability is high, and the shaking is avoided. The cylinder adopts a double-stroke cylinder or a double-cylinder.
Claims (7)
1. Rendition swing arm device, including rendition swing arm (5) that the swing set up on frame (3), rendition swing arm (5) are connected with drive arrangement transmission, its characterized in that: an auxiliary positioning mechanism is also arranged on the rack and comprises a positioning rod (17), a fixed seat (18) and a transmission device, the fixed seat (18) is connected to the rack, a mounting hole is formed in the fixed seat, and the transmission device comprises a transmission wheel (20);
the mounting hole is in threaded transmission fit connection with the positioning rod (17) and is in transmission fit with the axial guide and the rotation transmission of the positioning rod (17) through a transmission hole in the transmission wheel (20), or the mounting hole is in axial guide fit with the positioning rod (17) and is in transmission fit connection with the positioning rod (17) through a transmission hole in the transmission wheel.
2. The transfer swing arm apparatus according to claim 1, wherein: the positioning rod (17) is positioned at the front side of the transfer printing swing arm (5).
3. The transfer swing arm apparatus according to claim 1, wherein: the transmission device adopts a worm gear transmission device, the worm gear transmission device comprises a worm wheel and a worm (21), the worm wheel is in transmission connection with the worm, the worm is in transmission connection with a motor, and the transmission wheel (20) adopts the worm wheel.
4. The transfer swing arm apparatus according to claim 1, wherein: the transmission device adopts a gear transmission device, the gear transmission device comprises a gear, the gear is in transmission connection with the motor, and the transmission wheel adopts the gear.
5. The transfer swing arm apparatus according to claim 1, wherein: the driving device comprises a push rod (6), an ejector rod (8), a cylinder transmission device (22) and a lifting transmission device, wherein the cylinder transmission device comprises a cylinder, the lifting transmission device comprises a lifting sliding plate (13), the push rod is hinged on a transfer printing swing arm, the ejector rod is hinged on the lifting sliding plate, the push rod is hinged with the ejector rod, one end of the cylinder is hinged with the push rod and the ejector rod, and the other end of the cylinder is hinged on the lifting sliding plate.
6. The transfer swing arm apparatus according to claim 5, wherein: the lifting slide plate is connected to a lifting track of the frame and is in transmission connection with a lifting driving system, and the air cylinder adopts a double-stroke air cylinder or a double-air cylinder.
7. Printing machine, including offset printing mechanism, its characterized in that: the offset printing mechanism comprises the transfer swing arm device according to any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921914283.5U CN211542799U (en) | 2019-11-08 | 2019-11-08 | Transfer swing arm device and printing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921914283.5U CN211542799U (en) | 2019-11-08 | 2019-11-08 | Transfer swing arm device and printing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211542799U true CN211542799U (en) | 2020-09-22 |
Family
ID=72499821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921914283.5U Active CN211542799U (en) | 2019-11-08 | 2019-11-08 | Transfer swing arm device and printing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211542799U (en) |
-
2019
- 2019-11-08 CN CN201921914283.5U patent/CN211542799U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6694877B1 (en) | Device for exchangeably supporting and positioning printing cylinders of an offset printing press | |
| CN100457454C (en) | Ink fountain device | |
| CN211106183U (en) | Printing pressure adjusting device of flexographic printing machine | |
| CN211416590U (en) | Pressure adjusting device of paperboard printing roller | |
| CN211542799U (en) | Transfer swing arm device and printing machine | |
| EP3632684B1 (en) | Printing mechanism of offset printing machine | |
| CN109514992B (en) | Inking roller mechanism and printer | |
| JP2002188708A (en) | Gear mechanism and printing device | |
| CN111070859B (en) | Water ink roller clutch device of variable-specification printing machine | |
| CN208930909U (en) | A kind of pressure regulation of interchangeable roller full rotating wheel printing machine and combined pressure device | |
| EP3750711B1 (en) | Inking mechanism for offset printing device and printing machine | |
| CN201092136Y (en) | Edition-touching roller pressure regulating device for curved press | |
| CN210026609U (en) | Even water mechanism and printing machine of offset printing equipment | |
| CN210026610U (en) | Inking mechanism of offset printing equipment and printing machine | |
| CN210026604U (en) | Printing pressure adjusting mechanism of offset printing equipment and printing machine | |
| CN211997949U (en) | Pressing and compacting device of jigsaw printing machine | |
| CN211222549U (en) | Ink roller pressure adjusting device | |
| CN208247699U (en) | Accurate linkage printing pressure regulating device | |
| CN107584861B (en) | Printing unit comprising offset printing unit and flexo printing unit | |
| CN221213027U (en) | Printing machine impression cylinder convenient to pressure regulation | |
| CN115027126B (en) | Bottom die quick-change assembly and rotary printing machine | |
| CN214873379U (en) | Device for adjusting image-text transfer printing pressure of offset press | |
| JPH0734670Y2 (en) | Nip pressure adjustment mechanism | |
| CN221253279U (en) | Discharging traction structure for flexible printing machine | |
| CN219820915U (en) | Plate cylinder mechanism of flexo printing machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 325400 No.1 Farm No.4 Cropping Area, Pingyang County, Wenzhou City, Zhejiang Province Patentee after: Zhejiang Weigang Technology Co.,Ltd. Address before: 325200 No.4 working area, No.1 farm, Pingyang County, Wenzhou City, Zhejiang Province Patentee before: Zhejiang Weigang Machinery Co.,Ltd. |