CN210634248U - Offset lithographic printing apparatus with flip structure - Google Patents
Offset lithographic printing apparatus with flip structure Download PDFInfo
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- CN210634248U CN210634248U CN201821775845.8U CN201821775845U CN210634248U CN 210634248 U CN210634248 U CN 210634248U CN 201821775845 U CN201821775845 U CN 201821775845U CN 210634248 U CN210634248 U CN 210634248U
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- guide plate
- over
- turn
- conveyer belt
- printing device
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Abstract
The utility model discloses a lithographic plate offset printing device with turn-over structure, which comprises a bracket, positive printing device and reverse side printing device of setting at the support both ends, be provided with first conveyer belt and second conveyer belt on the support, middle part border department at the support is fixed with the support frame, be provided with semi-circular turn-over guide plate on the support frame, first conveyer belt sets up the top at the second conveyer belt, the blanking plate under the turn-over of the bottom surface downward sloping of semi-circular turn-over guide plate, be provided with the unloading slotted hole between the blanking plate behind semi-circular turn-over guide plate and turn-over, the tip of first conveyer belt is provided with the clearance in the semi-circular turn-over guide plate and between the tip of semi-circular turn-over guide plate and first conveyer belt. The utility model discloses a structure sets up rationally, uses reliable and stable, is favorable to guaranteeing the mobility stability of paper, adopts the turn-over back lower feed plate cooperation unloading slotted hole, can prevent that the condition of off normal from appearing in the paper, is favorable to improving the quality of printing, and the suitability is strong and the practicality is good.
Description
Technical Field
The utility model belongs to the technical field of offset printing device, concretely relates to lithographic plate offset printing device with turn-over structure.
Background
An offset printing machine is a kind of offset printing machine, when printing, the printing image and text are printed on a rubber cylinder from a printing plate, then the paper is transferred to the rubber roller, the offset press is divided into a lithographic offset press and a web offset press according to the difference of the paper feeding modes, the lithographic offset press is a more mainstream printing device, however, most of the offset lithographic presses in the prior art are single-sided printing, so that the paper is always required to be turned over by turning over when the double-sided printing is realized, the situation of paperboard deviation is easy to occur when the offset printing machine is turned over, so that the printing quality and the printing effect are influenced, and the applicability is limited, Chinese patent CN201720842660.3 discloses a lithographic offset printing machine for double-sided printing, the paper turning operation can be realized by matching the supporting frame with the turning device, but the paper is lighter in weight, so that the deviation condition is very easy to occur during turning, and the printing quality is influenced.
Disclosure of Invention
The utility model aims at providing a lithographic plate offset printing device that has turn-over structure that structure setting is reasonable and the suitability is strong.
The technical proposal for realizing the purpose of the utility model is that the offset lithographic printing device with the turnover structure comprises a bracket, a front printing device and a back printing device which are arranged at the two end parts of the bracket, a first conveyor belt and a second conveyor belt are arranged on the support, the first conveyor belt is positioned under the front printing device, the second conveyor belt is arranged under the back printing device, a support frame is fixed at the middle edge of the support frame, a semicircular turn-over guide plate is arranged on the support frame, the first conveyor belt is arranged above the second conveyor belt, a turnover rear blanking plate which is inclined downwards at the bottom surface of the semicircular turnover guide plate, a blanking slot hole is arranged between the semicircular turnover guide plate and the turnover rear blanking plate, the end part of the first conveyor belt is positioned in the semicircular turn-over material guide plate, and a gap is formed between the semicircular turn-over material guide plate and the end part of the first conveyor belt.
The length of the blanking plate after turning over is larger than that of the printing paper.
A drying cavity is arranged on the side wall of the semicircular turn-over guide plate, an electric heating column is arranged in the drying cavity, and a power supply interface and a control switch are fixed on the outer side surface of the semicircular turn-over guide plate.
And a smooth rubber adhesive layer is arranged on the top surface of the turned-over rear blanking plate.
The working principle is briefly described as follows: when the front-side printing device is used, paper printed by the front-side printing device is conveyed on the first conveyor belt, the end edge of the paper can move on the inner circle surface of the semicircular turnover guide plate after the end of the first conveyor belt, the bottom end of the paper can continuously move on the turnover rear blanking plate along the semicircular turnover guide plate, the turnover is completed after the paper completely enters the turnover rear blanking plate from the semicircular turnover guide plate, and then the paper on the inclined surface enters the second conveyor belt from the blanking groove hole after the turnover to continuously move to complete the back-side printing.
The utility model discloses has positive effect: the utility model discloses a structure sets up rationally, uses reliable and stable, is favorable to guaranteeing the mobility stability of paper, adopts the circumstances of off normal to prevent that the paper from appearing in blanking plate cooperation unloading slotted hole after the turn-over, is favorable to improving the quality of printing, uses reliable and stable, and the suitability is strong and the practicality is good.
Drawings
In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is provided in connection with the following specific embodiments, taken in conjunction with the accompanying drawings, in which:
fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
(example 1)
Fig. 1 shows a specific embodiment of the present invention, wherein fig. 1 is a schematic structural diagram of the present invention.
Referring to fig. 1, a lithographic offset printing apparatus with a turn-over structure includes a support 1, a front printing device 2 and a back printing device 3 disposed at two ends of the support, which is a structure of the prior art, a first conveyor belt 4 and a second conveyor belt 5 are disposed on the support, the first conveyor belt is disposed under the front printing device, the second conveyor belt is disposed under the back printing device, a support frame 6 is fixed at a middle edge of the support, a semicircular turn-over guide plate 7 is disposed on the support frame, in this embodiment, the semicircular turn-over guide plate has a width identical to that of the first conveyor belt and the second conveyor belt, and baffles may be disposed at two sides of the semicircular turn-over guide plate to further prevent paper deviation, the first conveyor belt is disposed above the second conveyor belt, and a turn-over rear blanking plate 8 whose bottom surface is inclined downward is disposed on the semicircular turn-over guide plate, in this embodiment, the width of the turned-over blanking plate is the same as the widths of the first conveyor belt and the second conveyor belt, and baffles may be disposed on both sides of the turned-over blanking plate to further prevent deviation of paper.
The length of the blanking plate after turning over is larger than that of the printing paper.
A drying cavity 11 is arranged on the side wall of the semicircular turn-over guide plate, an electric heating column 12 is arranged in the drying cavity, and a power interface 13 and a control switch 14 are fixed on the outer side surface of the semicircular turn-over guide plate.
And a smooth rubber adhesive layer 15 is arranged on the top surface of the turned-over rear blanking plate.
The working principle is briefly described as follows: when the front-side printing device is used, paper printed by the front-side printing device is conveyed on the first conveyor belt, the end edge of the paper can move on the inner circle surface of the semicircular turnover guide plate after the end of the first conveyor belt, the bottom end of the paper can continuously move on the turnover rear blanking plate along the semicircular turnover guide plate, the turnover is completed after the paper completely enters the turnover rear blanking plate from the semicircular turnover guide plate, and then the paper on the inclined surface enters the second conveyor belt from the blanking groove hole after the turnover to continuously move to complete the back-side printing.
The utility model discloses a structure sets up rationally, uses reliable and stable, is favorable to guaranteeing the mobility stability of paper, adopts the circumstances of off normal to prevent that the paper from appearing in blanking plate cooperation unloading slotted hole after the turn-over, is favorable to improving the quality of printing, uses reliable and stable, and the suitability is strong and the practicality is good.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And such obvious changes and modifications which fall within the spirit of the invention are deemed to be covered by the present invention.
Claims (4)
1. The utility model provides a lithographic offset printing device with turn-over structure, includes the support, sets up in positive printing device and reverse side printing device at support both ends be provided with first conveyer belt and second conveyer belt on the support, first conveyer belt is in under the positive printing device, the second conveyer belt sets up under reverse side printing device its characterized in that: the automatic feeding device is characterized in that a support frame is fixed at the middle edge of the support frame, a semicircular turnover guide plate is arranged on the support frame, the first conveyor belt is arranged above the second conveyor belt, a turnover rear blanking plate is arranged on the bottom surface of the semicircular turnover guide plate and inclines downwards, a blanking slotted hole is formed between the semicircular turnover guide plate and the turnover rear blanking plate, the end portion of the first conveyor belt is located in the semicircular turnover guide plate, and a gap is formed between the semicircular turnover guide plate and the end portion of the first conveyor belt.
2. The offset lithographic printing apparatus having a flip structure according to claim 1, wherein: the length of the blanking plate after turning over is larger than that of the printing paper.
3. The offset lithographic printing apparatus having a flip structure according to claim 2, wherein: a drying cavity is arranged on the side wall of the semicircular turn-over guide plate, an electric heating column is arranged in the drying cavity, and a power supply interface and a control switch are fixed on the outer side surface of the semicircular turn-over guide plate.
4. The offset lithographic printing apparatus having a flip structure according to claim 3, wherein: and a smooth rubber adhesive layer is arranged on the top surface of the turned-over rear blanking plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821775845.8U CN210634248U (en) | 2018-10-31 | 2018-10-31 | Offset lithographic printing apparatus with flip structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821775845.8U CN210634248U (en) | 2018-10-31 | 2018-10-31 | Offset lithographic printing apparatus with flip structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210634248U true CN210634248U (en) | 2020-05-29 |
Family
ID=70780150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821775845.8U Expired - Fee Related CN210634248U (en) | 2018-10-31 | 2018-10-31 | Offset lithographic printing apparatus with flip structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210634248U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112374255A (en) * | 2020-11-04 | 2021-02-19 | 贵州电网有限责任公司 | Power grid intelligent scheduling operation ticket generating system |
| CN112829482A (en) * | 2020-12-18 | 2021-05-25 | 滨州学院 | Be applied to financial management's equipment of stamping |
| CN113043717A (en) * | 2021-03-10 | 2021-06-29 | 胡军强 | Offset press capable of intermittently supplementing ink and turning printing paper |
-
2018
- 2018-10-31 CN CN201821775845.8U patent/CN210634248U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112374255A (en) * | 2020-11-04 | 2021-02-19 | 贵州电网有限责任公司 | Power grid intelligent scheduling operation ticket generating system |
| CN112829482A (en) * | 2020-12-18 | 2021-05-25 | 滨州学院 | Be applied to financial management's equipment of stamping |
| CN113043717A (en) * | 2021-03-10 | 2021-06-29 | 胡军强 | Offset press capable of intermittently supplementing ink and turning printing paper |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200529 Termination date: 20211031 |