CN117087311A - Plate roller runout measuring device of plate engraving machine for plate making and plate engraving machine - Google Patents
Plate roller runout measuring device of plate engraving machine for plate making and plate engraving machine Download PDFInfo
- Publication number
- CN117087311A CN117087311A CN202311207959.8A CN202311207959A CN117087311A CN 117087311 A CN117087311 A CN 117087311A CN 202311207959 A CN202311207959 A CN 202311207959A CN 117087311 A CN117087311 A CN 117087311A
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- China
- Prior art keywords
- plate
- engraving machine
- engraving
- measuring device
- plate roller
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- 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.)
- Pending
Links
- 238000006073 displacement reaction Methods 0.000 claims abstract description 19
- 238000005259 measurement Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41C—PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
- B41C1/00—Forme preparation
- B41C1/02—Engraving; Heads therefor
- B41C1/04—Engraving; Heads therefor using heads controlled by an electric information signal
- B41C1/045—Mechanical engraving heads
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Manufacture Or Reproduction Of Printing Formes (AREA)
Abstract
The invention relates to a plate roller runout measuring device of an electric engraving machine for plate making and the electric engraving machine, wherein the runout measuring device comprises: the engraving head is arranged on the engraving head bottom plate fixed on the rotating shaft, and the sliding feet of the engraving head are contacted with the outer circle surface of the plate roller; one end of the engraving head bottom plate, which is close to the plate roller, is fixed on the rotating shaft and can rotate around the rotating shaft; the rotary shaft is arranged on the electric engraving machine body, and a displacement sensor for measuring the upper and lower swing of the engraving head bottom plate is arranged at one end of the engraving head bottom plate opposite to the rotary shaft. Compared with the prior art, the method has the advantages of simplicity in operation, safety, reliability, accurate result and the like.
Description
Technical Field
The invention relates to the technical field of plate making measurement, in particular to a plate roller runout measuring device of an electric engraving machine for plate making and the electric engraving machine.
Background
At present, an electric engraving machine for plate making needs to install a plate roller on a top or a claw disc of a head and tail seat before engraving, and needs to detect circle run-out of the plate roller by using a dial indicator, and can start processing after reaching standards. The dial indicator is used for detecting the plate roller jump, the operation is complex, the manual operation is performed, and the problem that the dial indicator needle scratches the layout is easy to occur.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a plate roller runout measuring device of an electric engraving machine for plate making and the electric engraving machine.
The aim of the invention can be achieved by the following technical scheme:
as a first aspect of the present invention, there is provided a plate roller runout measuring device for a plate making engraving machine, the device comprising:
the engraving head is arranged on the engraving head bottom plate fixed on the rotating shaft, and the sliding feet of the engraving head are contacted with the outer circle surface of the plate roller;
one end of the engraving head bottom plate, which is close to the plate roller, is fixed on the rotating shaft and can rotate around the rotating shaft;
the rotary shaft is arranged on the electric engraving machine body, and a displacement sensor for measuring the upper and lower swing of the engraving head bottom plate is arranged at one end of the engraving head bottom plate opposite to the rotary shaft.
Further, the displacement sensor is arranged between the electric engraving machine body and the engraving head bottom plate.
Further, the horizontal distance between the contact point of the displacement sensor and the bottom plate of the engraving head and the center of the rotating shaft is equal to the vertical distance between the contact point of the outer circle surfaces of the slipper and the plate roller and the center of the rotating shaft.
Further, the displacement sensor is a magnetic grid ruler type sensor.
Furthermore, a reset supporting device is arranged between the electric engraving machine body and the engraving head bottom plate.
Further, the measuring device further comprises a display instrument which is connected with the displacement sensor in a data mode and used for displaying measurement data.
Further, the radius of the rotating shaft is larger than the maximum jumping amplitude of the plate roller.
Further, the measuring device further comprises an alarm device for prompting an alarm when the measured data exceeds the standard.
Further, the plate roller is arranged on the top of the tail seat of the machine body head or the three-jaw disc.
As a second aspect of the present invention, there is provided an engraving machine for plate making, on which the plate roller runout measuring device as described above is provided.
Compared with the prior art, the invention has the following beneficial effects:
1) The engraving head is arranged on the engraving head base plate with the rotating shaft, one end of the base plate is fixed on the rotating shaft, when the plate roller rotates, the engraving head swings back and forth along the axis direction of the sliding foot if a circle is jumped, the base plate drives the rotating shaft to rotate, and the other end of the opposite base plate swings up and down. The circular runout of the plate roller can be measured by reading the swing amplitude of the bottom plate of the engraving head through the magnetic grid ruler type sensor, the measurement is simpler and more convenient, the manual measurement of the dial indicator is not used, and the result is more accurate.
2) The invention is non-contact measurement, no potential safety hazard is generated, no extra contact is generated with the layout in the measurement process, and scratch is avoided.
Drawings
FIG. 1 is a schematic diagram of a plate roller runout measuring device of an electric engraving machine for plate making;
FIG. 2 is a first perspective view of the plate roller runout measuring device of the engraving machine for plate making of the present invention;
FIG. 3 is a second perspective view of the engraving machine plate roller runout measuring device for plate making according to the present invention;
the reference numerals in the figures indicate: 1. the device comprises a machine body, 2, a carving head, 21, a slipper, 22, a carving head bottom plate, 23, a rotating shaft, 3, a plate roller, 4, a displacement sensor, 5, a supporting reset device, 6 and a display instrument.
Detailed Description
The invention will now be described in detail with reference to the drawings and specific examples. The present embodiment is implemented on the premise of the technical scheme of the present invention, and a detailed implementation manner and a specific operation process are given, but the protection scope of the present invention is not limited to the following examples.
Example 1
The plate roller runout measuring device of the electric engraving machine for plate making is characterized in that an engraving head 2 is arranged on an engraving head bottom plate with a rotating shaft, a plate roller 3 for engraving is arranged on a tailstock center, and a sliding foot 21 on the engraving head is in contact with the outer circle surface of the plate roller 3. When the plate roller 3 rotates, if a circle is jumped, the engraving head 2 swings back and forth along the axis direction of the slipper 21, the engraving head 2 is fixed on a bottom plate, and one end of the bottom plate is fixed on the rotating shaft 23. The horizontal swinging of the engraving head 2 drives the bottom plate to rotate around the rotating shaft, and the opposite end of the bottom plate swings up and down. The measuring device is provided with a displacement sensor 4 at the other end of the bottom plate to measure the vertical swing. The radius of the rotating shaft 23 is larger than the maximum circle run-out amplitude of the plate roller 3.
The vertical distance between the contact point of the engraving head sliding foot 21 and the outer circular surface of the plate roller 3 and the center of the rotating shaft is a, and the horizontal distance between the contact point of the displacement sensor 4 and the engraving head bottom plate 22 and the center of the rotating shaft is b. When the bottom plate is affected by the circle runout, the bottom plate swings horizontally back and forth along the axis direction of the slipper 21, and the ratio of the upper and lower swing amplitude measured at the other end of the bottom plate to the circle runout of the rotation of the plate roller 3 caused by the horizontal swing is b/a. The measurement of the runout of the plate roller 3 can be realized through the structure.
The invention is provided with a supporting and resetting device 6 between the machine body 1 and the engraving head bottom plate 21, which is used for supporting the engraving head bottom plate 22, can deform along with the rotation of the bottom plate when the plate roller is in circular run-out, and does not drive the bottom plate 21 to return to the initial position when the plate roller is in circular run-out.
The invention is also provided with a display instrument 6 connected to the displacement sensor 4 via a data line and displaying measurement data thereon.
Example 2
In this embodiment, the other parts are the same as those of the above embodiment except that in this embodiment, the vertical distance a between the contact point of the engraving head shoe 21 and the outer circumferential surface of the plate roller 3 and the center of the rotation shaft is equal to the horizontal distance b between the contact point of the displacement sensor 4 and the engraving head bottom plate 22 and the center of the rotation shaft. And the displacement sensor 4 is a magnetic grating ruler type sensor.
The principle that the distance of displacement of one long end is equal to the distance of displacement of the other long end under the condition that the two sides of the triangle are the same and the angle is unchanged is utilized. When a=b, the circle run-out size of the plate roller 3 is equal to the up-down swing size of the line segment end point of the bottom plate b of the engraving head, and the magnetic grating ruler type sensor is arranged at the position, so that the measured original run-out of the plate roller 3 is obtained.
Meanwhile, the invention can also be added with an alarm device, and prompt alarm is carried out when the measured data exceeds the standard.
The foregoing describes in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be made in accordance with the concepts of the invention by one of ordinary skill in the art without undue burden. Therefore, all technical solutions which can be obtained by logic analysis, reasoning or limited experiments based on the prior art by the person skilled in the art according to the inventive concept shall be within the scope of protection defined by the claims.
Claims (10)
1. Plate roller runout measuring device of plate engraving machine for plate making, which is characterized in that the device comprises:
the engraving head (2) is arranged on an engraving head bottom plate (22) fixed on the rotating shaft (23), and a sliding foot (21) of the engraving head (2) is contacted with the outer circle surface of the plate roller (3);
one end of the engraving head bottom plate (22) close to the plate roller (3) is fixed on a rotating shaft (23) and can rotate around the rotating shaft (23);
the rotary shaft (23) is arranged on the electric engraving machine body (1), and a displacement sensor (4) for measuring the upper swing and the lower swing of the engraving head bottom plate (22) is arranged at one end of the engraving head bottom plate (22) opposite to the rotary shaft (23).
2. The engraving machine plate roller runout measuring device for plate making according to claim 1, characterized in that the displacement sensor (4) is installed between the engraving machine body (1) and the engraving head bottom plate (22).
3. The plate roller runout measuring device of the engraving machine for plate making according to claim 1 or 2, wherein the horizontal distance between the contact point of the displacement sensor (4) and the bottom plate (22) of the engraving head and the center of the rotating shaft (23) is equal to the vertical distance between the contact point of the outer circle surfaces of the slipper (21) and the plate roller (3) and the center of the rotating shaft (23).
4. A plate roller runout measuring device for plate making engraving machine according to claim 3, characterized in that said displacement sensor (4) is a magnetic grid ruler type sensor.
5. The engraving machine plate roller runout measuring device for plate making according to claim 1, characterized in that a reset supporting device (5) is further arranged between the engraving machine body (1) and the engraving head bottom plate (22).
6. The engraving machine plate roller runout measuring device for plate making according to claim 1, characterized in that said measuring device further comprises a display instrument (5) in data connection with said displacement sensor (4) for displaying measurement data.
7. The engraving machine plate roller runout measuring device for plate making according to claim 1, characterized in that the radius of the rotating shaft (23) is larger than the maximum runout amplitude of the plate roller (3).
8. A plate roller runout measuring device for plate making engraving machine according to claim 1, characterized in that said measuring device further comprises an alarm device for prompting an alarm when the measured data exceeds the standard.
9. The plate roller runout measuring device of the engraving machine for plate making according to claim 1, wherein the plate roller (3) is arranged on a head and tail seat center or a three-jaw disc of the engraving machine body (1).
10. An engraving machine for platemaking, characterized in that the engraving machine is provided with the plate roller runout measuring device as defined in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311207959.8A CN117087311A (en) | 2023-09-19 | 2023-09-19 | Plate roller runout measuring device of plate engraving machine for plate making and plate engraving machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311207959.8A CN117087311A (en) | 2023-09-19 | 2023-09-19 | Plate roller runout measuring device of plate engraving machine for plate making and plate engraving machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117087311A true CN117087311A (en) | 2023-11-21 |
Family
ID=88775115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311207959.8A Pending CN117087311A (en) | 2023-09-19 | 2023-09-19 | Plate roller runout measuring device of plate engraving machine for plate making and plate engraving machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117087311A (en) |
-
2023
- 2023-09-19 CN CN202311207959.8A patent/CN117087311A/en active Pending
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