CN213767716U - Pressure type material feeding unit for intermittent rotary press - Google Patents
Pressure type material feeding unit for intermittent rotary press Download PDFInfo
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- CN213767716U CN213767716U CN202021740223.9U CN202021740223U CN213767716U CN 213767716 U CN213767716 U CN 213767716U CN 202021740223 U CN202021740223 U CN 202021740223U CN 213767716 U CN213767716 U CN 213767716U
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Abstract
The utility model discloses a pressure type material feeding unit for intermittent type formula rotary press, material feeding unit include blowing roller unit and feed roll unit, and material feeding unit still includes a tension unit, the beneficial effects of the utility model are that: before printing, paper passes through a discharging roller unit and enters a tension unit, and after passing through a plurality of tension rollers and a paper guide roller at intervals, the paper is pulled by a feeding roller unit and enters a printing area; during printing, the feed roller unit feeds paper forwards, and the paper drives the tension roller to ascend along the first guide structure and the second guide structure under the action of gravity, so that the paper is in a tensioned state, and certain tension is kept between the paper; when the feeding roller unit retreats the paper backwards, the tension roller descends along the first guide structure and the second guide structure under the action of gravity, so that the paper is in a tensioned state, and certain tension is kept between the paper; the tension roller can keep a certain tension between the paper sheets in the process of ascending or descending.
Description
Technical Field
The utility model relates to a material feeding unit especially relates to a pressure type material feeding unit for intermittent type formula rotary press.
Background
The working principle of the feeding device of the intermittent rotary printing machine in the prior art is shown in fig. 1, and paper 17 to be fed is drawn into a paper storage box 4 through a feeding roller 3 and a nip roller 6, and then is drawn into a printing area through a nip roller 2 and a feeding roller 1 to realize printing; the paper discharging speed of the discharging roller 3 is controlled by detecting the position of the paper by the photoelectric detection switch 5; the feed roller 1 is driven by a servo motor 13 (as shown in fig. 3) to realize the forward and reverse intermittent movement of the paper. Because the paper between the discharge roller and the feed roller of the traditional intermittent rotary printing machine has no tension, the paper is easy to slip left and right during paper feeding, and the printing speed and the printing precision of the printing machine are influenced. Therefore, a press type feeding device for an intermittent rotary press capable of improving printing speed and precision has to be developed, and the same technical scheme as the present invention has not been found through search.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves provides a can improve the intermittent type formula rotary press pressure type material feeding unit for machine of printing speed and precision, solves one or more among the above-mentioned prior art problem.
In order to solve the technical problem, the utility model discloses a technical scheme be: the utility model provides a pressure type material feeding unit for intermittent type formula rotary press, material feeding unit include blowing roller unit and feed roll unit, and its innovation point lies in: the feeding device also comprises a tension unit, and the tension unit is arranged between the discharging roller unit and the feeding roller unit;
the tension unit comprises a tension frame, a plurality of tension rollers which are parallel to each other are arranged on the tension frame, the tension unit also comprises a plurality of paper guide rollers, and the paper guide rollers are arranged above the tension frame;
the bottom of the tension bracket is also provided with a first guide structure and a second guide structure which are symmetrically arranged at two ends of the tension bracket;
the first guide structure comprises a first guide pipe and a first guide column which can be embedded into the first guide pipe, the first guide column is fixed at the end part of the tension bracket, and the first guide pipe is arranged below the first guide column;
the second guide structure comprises a second guide pipe and a second guide column which can be embedded into the second guide pipe, the second guide column is fixed at the end part of the tension bracket, and the second guide pipe is arranged below the second guide column;
the two ends of the tension frame are respectively provided with a counterweight structure, the counterweight structure comprises a counterweight box, the counterweight box is fixed with the tension frame, and the counterweight structure also comprises at least one counterweight block arranged in the counterweight box;
the tension unit further comprises a plurality of tension sensors, and the tension sensors are electrically connected with the first guide structure and the second guide structure.
In some embodiments, the diameter of the tension roller is equal to the diameter of the paper guide roller;
the distance between two adjacent tension rollers is equal to the diameter of the tension roller;
the distance between two adjacent paper guide rollers is equal to the diameter of the paper guide roller.
In some embodiments, the tension roller is offset from the horizontal position of the paper guide roller.
In some embodiments, the tension rollers are offset from the paper guide rollers by a distance equal to the spacing between adjacent tension rollers or the spacing between adjacent paper guide rollers.
In some embodiments, the tension unit further comprises a detection eye for detecting a position of the tension bracket.
In some embodiments, the discharge roll unit comprises a discharge roll and a first nip roll cooperating with the discharge roll; the feeding roller unit comprises a feeding roller and a second material pressing roller matched with the feeding roller.
In some embodiments, the discharge roller and the feed roller are both driven by servo motors.
The utility model has the advantages that: before printing, paper passes through a discharging roller unit and enters a tension unit, and after passing through a plurality of tension rollers and a paper guide roller at intervals, the paper is pulled by a feeding roller unit and enters a printing area; during printing, the feed roller unit feeds paper forwards, and the paper drives the tension roller to ascend along the first guide structure and the second guide structure under the action of gravity, so that the paper is in a tensioned state, and certain tension is kept between the paper; when the feeding roller unit retreats the paper backwards, the tension roller descends along the first guide structure and the second guide structure under the action of gravity, so that the paper is in a tensioned state, and certain tension is kept between the paper; because the tension roller can keep a certain tension between the paper sheets in the process of ascending or descending, the paper sheets cannot slide left and right during paper feeding, and the printing speed and the printing precision of the printing machine are ensured.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:
fig. 1 is a background technical schematic diagram of the pressure type feeding device for the intermittent rotary printing machine of the present invention.
Fig. 2 is a schematic diagram of the pressure feeding device for the intermittent rotary press of the present invention.
Fig. 3 is a schematic diagram of the transmission structure of the feed roller of the pressure feeding device for the intermittent rotary press.
Fig. 4 is a schematic diagram of the discharging roller transmission structure of the pressure feeding device for the intermittent rotary press.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1 to 4, the embodiment of the present invention includes:
a pressure type feeding device for an intermittent rotary printing machine comprises an emptying roller unit, a feeding roller unit and a tension unit, wherein the tension unit is arranged between the emptying roller unit and the feeding roller unit; the tension unit comprises a tension frame 9, a plurality of tension rollers 8 which are parallel to each other are arranged on the tension frame 9, the tension unit also comprises a plurality of paper guide rollers 7, and a first guide structure and a second guide structure which are symmetrically arranged at two ends of the tension frame 9 are also arranged at the bottom of the tension frame 9; the first guide structure comprises a first guide tube 911 and a first guide post 912 which can be embedded into the first guide tube 911, the first guide post 912 is fixed at the end part of the tension bracket 9, and the first guide tube 911 is arranged below the first guide post 912; the second guide structure comprises a second guide pipe 921 and a second guide column 922 capable of being embedded into the second guide pipe 921, the second guide column 922 is fixed at the end of the tension bracket 9, and the second guide pipe 921 is arranged below the second guide column 922; two ends of the tension frame 9 are respectively provided with a counterweight structure, the counterweight structure comprises a counterweight box 941, the counterweight box 941 is fixed with the tension frame 9, and the counterweight structure further comprises at least one counterweight 942 arranged in the counterweight box 941; in the technical scheme, a proper counter weight 942 can be added into the counter weight box 941 according to different paper conditions to keep proper paper tension; the tension unit further includes a plurality of tension sensors 93, and the tension sensors 93 are electrically connected to the first guide structure 91 and the second guide structure 92.
Before printing, paper passes through a discharging roller unit and enters a tension unit, and after passing through a plurality of tension rollers 8 and a paper guide roller 7 at intervals, the paper is drawn by a feeding roller unit and enters a printing area; during printing, the feed roller unit feeds forward, and the paper drives the tension roller 8 to ascend along the first guide structure 91 and the second guide structure 92 under the action of gravity, so that the paper is in a tensioned state, and certain tension is kept between the paper; when the feeding roller unit retreats the paper backwards, the tension roller 8 descends along the first guide structure 91 and the second guide structure 92 under the action of gravity, so that the paper is in a tensioned state, and certain tension is kept between the paper; because the tension roller 8 can keep a certain tension between the paper sheets in the rising or falling process, the paper sheets cannot slide left and right during paper feeding, and the printing speed and the printing precision of the printing machine are ensured; this technical scheme can stretch out and draw back first guide structure 91 and second guide structure 92 by tension sensor 93's data and make paper tension be in the fixed value, can avoid tension too big or undersize.
The diameter of the tension roller 8 is equal to that of the paper guide roller 7; the distance between two adjacent tension rollers 8 is equal to the diameter of the tension roller 8; the distance between two adjacent paper guide rollers 7 is equal to the diameter of the paper guide rollers 7; the horizontal positions of the tension roller 8 and the paper guide roller 7 are distributed in a staggered mode, the technical scheme effectively keeps paper smooth, and the transmission distance of the paper is increased.
The tension roller 8 and the paper guide roller 7 are staggered by a distance equal to the distance between the adjacent tension rollers 8 or the distance between the adjacent paper guide rollers 7.
The tension unit also comprises a detection electric eye for detecting the position of the tension bracket 9, and the technical scheme can monitor the position of the tension bracket 9 in real time and effectively control the tension range.
The discharging roller unit comprises a discharging roller and a first pressure roller matched with the discharging roller; the feeding roller unit comprises a feeding roller and a second material pressing roller matched with the feeding roller; the discharging roller and the feeding roller are driven by a servo motor.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all of which utilize the equivalent structure or equivalent flow transformation made by the content of the specification of the present invention, or directly or indirectly applied to other related technical fields, all included in the same way in the patent protection scope of the present invention.
Claims (7)
1. The utility model provides a pressure type material feeding unit for intermittent type formula rotary press, material feeding unit includes blowing roller unit and feed roll unit, its characterized in that: the feeding device also comprises a tension unit, and the tension unit is arranged between the discharging roller unit and the feeding roller unit;
the tension unit comprises a tension frame (9), a plurality of tension rollers (8) which are parallel to each other are arranged on the tension frame (9), the tension unit further comprises a plurality of paper guide rollers (7), and the paper guide rollers (7) are arranged above the tension frame (9);
the bottom of the tension bracket (9) is also provided with a first guide structure and a second guide structure which are symmetrically arranged at two ends of the tension bracket (9);
the first guide structure comprises a first guide pipe (911) and a first guide column (912) which can be embedded into the first guide pipe (911), the first guide column (912) is fixed at the end part of the tension bracket (9), and the first guide pipe (911) is arranged below the first guide column (912);
the second guide structure comprises a second guide pipe (921) and a second guide column (922) capable of being embedded into the second guide pipe (921), the second guide column (922) is fixed at the end part of the tension bracket (9), and the second guide pipe (921) is arranged below the second guide column (922);
the two ends of the tension frame (9) are respectively provided with a counterweight structure, the counterweight structure comprises a counterweight box (941), the counterweight box (941) is fixed with the tension frame (9), and the counterweight structure further comprises at least one counterweight block (942) arranged in the counterweight box (941);
the tension unit further comprises a plurality of tension sensors (93), and the tension sensors (93) are electrically connected with the first guide structures (91) and the second guide structures (92).
2. A press feeder for an intermittent rotary press according to claim 1, characterised in that: the diameter of the tension roller (8) is equal to that of the paper guide roller (7);
the distance between two adjacent tension rollers (8) is equal to the diameter of each tension roller (8);
the distance between two adjacent paper guide rollers (7) is equal to the diameter of the paper guide rollers (7).
3. A press feeder for an intermittent rotary press according to claim 1 or 2, wherein: the horizontal positions of the tension roller (8) and the paper guide roller (7) are distributed in a staggered manner.
4. A press feeder for an intermittent rotary press according to claim 3, characterised in that: the staggered distance between the tension rollers (8) and the paper guide rollers (7) is equal to the distance between the adjacent tension rollers (8) or the distance between the adjacent paper guide rollers (7).
5. A press feeder for an intermittent rotary press according to claim 1, characterised in that: the tension unit further comprises a detection electric eye for detecting the position of the tension bracket (9).
6. A press feeder for an intermittent rotary press according to claim 1, characterised in that: the discharging roller unit comprises a discharging roller and a first material pressing roller (6) matched with the discharging roller; the feeding roller unit comprises a feeding roller and a second material pressing roller (2) matched with the feeding roller.
7. A press feeder for an intermittent rotary press according to claim 1, characterised in that: the discharging roller and the feeding roller are driven by a servo motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021740223.9U CN213767716U (en) | 2020-08-19 | 2020-08-19 | Pressure type material feeding unit for intermittent rotary press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021740223.9U CN213767716U (en) | 2020-08-19 | 2020-08-19 | Pressure type material feeding unit for intermittent rotary press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213767716U true CN213767716U (en) | 2021-07-23 |
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ID=76902690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021740223.9U Active CN213767716U (en) | 2020-08-19 | 2020-08-19 | Pressure type material feeding unit for intermittent rotary press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213767716U (en) |
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2020
- 2020-08-19 CN CN202021740223.9U patent/CN213767716U/en active Active
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