CN1199670A - Workpiece printing equipment and method - Google Patents
Workpiece printing equipment and method Download PDFInfo
- Publication number
- CN1199670A CN1199670A CN 98101284 CN98101284A CN1199670A CN 1199670 A CN1199670 A CN 1199670A CN 98101284 CN98101284 CN 98101284 CN 98101284 A CN98101284 A CN 98101284A CN 1199670 A CN1199670 A CN 1199670A
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- CN
- China
- Prior art keywords
- printing
- speed
- along
- preset distance
- printing unit
- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F17/00—Printing apparatus or machines of special types or for particular purposes, not otherwise provided for
- B41F17/001—Pad printing apparatus or machines
Landscapes
- Inking, Control Or Cleaning Of Printing Machines (AREA)
Abstract
The printing equipment includes at least one printing cushion capable of moving downward, one optoelectronic sensor to measure the speed of downward moving cushion and one integrated circuit, which compares the average speed of the downward moving cushion passing through the first preset distance with the speed of the cushion beyond the first preset distance and makes the cushion move along the second preset distance when the speed beyond the first preset distance is lower than the average speed.
Description
The present invention relates to the equipment and the method for Workpiece printing, relate in particular to a buffering printing equipment and be used for the method for this buffering printing equipment with Workpiece printing.
Conventional buffering printing equipment is provided with the specific stroke degree of depth (that is: the printing cushion pad is gone up the distance that move to printing action completing place the fixed position most by it) to each print job.When new print job, print stroke must be adjusted so that adapt to size or the shape that is printed workpiece.If the amount of each print job is little, needs is often adjusted the degree of depth of stroke, thereby reduced the efficient of printing process, and increased its cost.
Therefore, various methods for designing provide the printing equipment of the buffering with stroke changeable degree of depth, wish to address this problem.In this scheme, the printing cushion pad engages by the standing part of some springs with the buffering printing equipment.The compression spring that moves through of printing cushion pad is measured by mechanical pick-up device.In the time will printing cushion pad and move a preset distance, it moves and stops and making its reverse movement.When new print job, must arrange manually to adjust at every turn.Because spring causes mechanical failure also will cause the damage apace of this executive system through using.
Alternative plan is an electron pressure sensing element to be set with the pressure in the pneumatic cylinder of monitoring driving printing cushion pad.In theory, the input and output pressure of pneumatic cylinder is identical, does not so just have pressure reduction.Yet, when the printing cushion pad is run into the workpiece that will print, causing different pressure with producing back pressure, this pressure is read by pressure-sensing device.Then, corresponding signal is sent to integrated circuit, makes the counter motion of printing cushion pad.Experience shows that this scheme is unreliable, and especially, pressure-sensing device usually damages.
Therefore, one object of the present invention is to provide the method for a printing equipment and printing one workpiece, and wherein having overcome above-mentioned shortcoming or being at least common crowd provides another available selection.
According to a first aspect of the invention, provide a printing equipment to comprise that at least one printing unit that can move along every direction is with Workpiece printing, it is characterized in that: described printing equipment also comprises: measurement mechanism, it is used to measure the speed along the described folder of described first direction: comparison means, it is used for described printing unit is compared along the speed that described first direction exceeds described first preset distance with described printing unit by the average speed of initial first preset distance along described first direction, wherein, when printing unit exceeds speed that described first preset distance falls to falling when the described average speed of printing unit is following along described first direction, described printing unit can move along described first direction second preset distance again.
According to a second aspect of the invention, provide the one side of Workpiece printing, its step comprises: (a) printing unit with printing equipment moves towards described workpiece along first direction; It is characterized in that: the step of this method also comprises: (b) measure the speed of described printing unit along described first direction; (c) calculate described printing unit along the average speed of described first direction through initial first preset distance; (d) the described average speed of described printing unit is compared along the speed that described first direction exceeds described first preset distance with printing unit; And (e) fall to falling described average speed when following, described printing unit is moved to print described workpiece along described first direction second preset distance again when described printing unit exceeds described first preset distance along the speed of described first direction.
Referring now to accompanying drawing, one embodiment of the invention are described, wherein:
Fig. 1 wherein prints cushion pad in its fixed position of going up most for the side view of buffering printing equipment parts;
Fig. 2 wherein prints cushion pad just to contact with workpiece for cushioning a side view again of printing equipment parts as shown in Figure 1;
Fig. 3 is for cushioning the another side view of printing equipment parts as shown in Figure 1, wherein prints cushion pad on its position under; And
Fig. 4 is the corresponding side view that also has black source with Fig. 1.
For very clear and definite purpose, the parts that the buffering printing equipment is correlated with are shown in Fig. 1 to 4.This class that this associated components can be used for shown in GB2305633A1 cushions in printing equipment, to form printing equipment of the present invention.Especially, this associated components also can be used for the buffering printing equipment of pneumatic, hydraulic pressure, electric operation.
As shown in Figure 1, pneumatic cylinder 2 and fixed rack 4 fixed engagement.Pneumatic cylinder 2 is by bar 8 exercisable mobile printing cushion pads 6.Under the printing cushion pad 6 is object 10, and it can be the workpiece that is printed.Printing cushion pad 6 and optical scale 12 fixed engagement, the stroke of its motion is read by an optical sensing element 14 that is connected with the CPU (not shown), and central processing unit can be selected for use as the integrated circuit as a controller.Simultaneously, many different microprocessors (integrated circuit) can be used as controller and use, and can select the 89C52 type of the peculiar limit of U.S.'s English company for use.In addition, many different optical sensing elements can be adopted, the EE-SX672 type device of Japanese Ao Mulong industrial group can be selected for use.
The operational mode of buffering printing equipment is as described below.When getting off, cause optical scale 12 1 corresponding downward moving by uppermost position in fig-ure (as shown in Figure 1) when printing cushion pad 6, this shift motion is measured by optical sensing element 14.Then, by first preset distance, as: 20mm, the shift motion of optical sensing element 14 monitoring optical scales 12.This preset distance is set by the producer of printing equipment.By initial 20mm, the average speed of printing cushion pad 6 will be calculated and be stored as a reference speed by central processing unit.Printing cushion pad 6 moves downward again, will reach position as shown in Figure 2, and its rigidity contacts with object 10.At this device, because the resistance of object 10, printing cushion pad 6 downward translational speeds will drop to below the reference speed.
When the speed that moves downward of printing cushion pad 6 when reference speed is following, this speed is measured by optical sensing element and signal is sent to controller.Then, controller will send a signal makes the printing cushion pad move down one second preset distance, and this distance can be set by the user, to be fit to the needs of each print job.Behind the shift motion by second preset distance, printing cushion pad 6 returns to position as shown in Figure 1.
The upper surface that clearly shows set object 10 in above discussion is to be positioned at the below of printing cushion pad 6 greater than first preset distance (20mm).When in its uppermost position in fig-ure, do not consider by the actual range of printing cushion pad 6 to object 10, determine distance to be called as one of second preset distance, printing cushion pad 6 is set to press object 10.If object 10 workpiece for being printed is not considered itself and the distance of printing cushion pad 6, just can be thereon with the image printing of uniformity.
As shown in Figure 4, below the printing cushion pad 6 is a black source, for example: a disc 16, its can along the direction of arrow be positioned at printing below the cushion pad 6 primary importance (shown in dotted line) and the second place (shown in solid line) between reciprocating motion, disc is when the second place, and printing cushion pad 6 can descend with Workpiece printing 10.When in its primary importance, disc 16 is putting greater than 20mm below printing cushion pad 6.In this scheme, disc 16 at first moves to primary importance, and then, printing cushion pad 6 is descended to pick up a printing ink image by the position of disc 16, rises then and gets back to the position of going up most, prepares beginning circulation once more.Because the described scheme of last joint, simultaneously, when picking up image and Workpiece printing 10, applied identical pressure, therefore, the image that picks up by disc 16 in fact be printed on workpiece 10 on visual identical.
Should be realized that above description only illustrates can effective one embodiment of the invention, in addition, can carry out various modifications and conversion does not break away from scope of patent protection of the present invention.
Claims (18)
1. a printing equipment comprises that at least one prints the removable print-member of a workpiece along first direction, and it is characterized in that: described printed apparatus also comprises: determinator is used to measure the speed along described the above print-member of first direction; Comparison means, be used for Workpiece printing is compared along the speed that described first direction exceeds described first distance with described print-member by the average speed of initial first preset distance along described first direction, wherein, when described printing unit exceeds speed that described first preset distance falls to falling when described average speed is following along described first direction, described printing unit also can move along second preset distance of first direction.
2. printing equipment according to claim 1 is characterized in that: can move said second preset distance along second direction after print-member moves along described first direction.
3. printing equipment according to claim 2 is characterized in that: described first direction is in fact opposite with described second direction.
4. according to claim 2 or 3 described printing equipments, it is characterized in that: described first direction is actually downward.
5. according to the described printing equipment of above-mentioned each claim, it is characterized in that: described determinator comprises an electron-optical sensing element.
6. according to the described printing equipment of above-mentioned each claim, it is characterized in that: described print-member directly or indirectly with the scale fixed engagement.
7. printing equipment according to claim 6 is characterized in that: described determinator is measured the described translational speed of described printing unit by measuring said scale member translational speed.
8. according to the described printing equipment of above-mentioned each claim, it is characterized in that: described equipment is air-operated control.
9. according to each described printing equipment of claim 1 to 7, it is characterized in that: described equipment is hydraulic operation.
10. according to each described printing equipment of claim 1 to 7, it is characterized in that: described equipment is electric operating.
11. according to the described printing equipment of above-mentioned each claim, it is characterized in that: described printing equipment is a buffering printing equipment.
12. the method for printing one workpiece is characterized in that its step includes:
(a) along first direction the printing unit of printing equipment is moved towards described workpiece;
(b) measure the speed of described printing unit along described first direction;
(c) by first an initial preset distance, calculate the average speed of said first member along first direction;
(d) average speed of described printing unit speed is compared with the speed that exceeds described first preset distance at said first direction; And
(e) exceed speed that described first preset distance falls to falling when described average speed is following along described first direction when described printing unit, described printing unit is moved to print described workpiece along second preset distance of described first direction again.
13. a method according to claim 12 is characterized in that: the step that comprises has: print-member moves print-member on second direction after first direction moves second preset distance again.
14. a method according to claim 13 is characterized in that: described first direction is relative with described second direction in fact.
15. according to the described a kind of method of claim 12,13 or 14, it is characterized in that: described first direction comes down to downward.
16. according to claim 12,13,14 or 15 described methods, it is characterized in that: the step that comprises has:
(f) described printing unit is moved towards Mo Yuan at described first direction;
(g) measure the speed of described printing unit along described first direction;
(h) calculate by the average speed of described initial first preset distance calculating printing unit along described first direction;
(i) described average speed is compared with the speed that exceeds described first preset distance along described first direction; And
(j) exceed speed that described first preset distance falls to falling when described average speed is following along described first direction when printing unit, move again described printing unit along described second preset distance of described first direction to pick up described ink.
17. a method according to claim 16 is characterized in that: the step that comprises has: after described printing unit moved along described second preset distance of described first direction, more described printing unit is moved along described second direction.
18. according to claim 12 or 17 described methods, it is characterized in that: printing equipment is a buffering printing equipment.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB97104509 | 1997-05-21 | ||
| GB9710450A GB2325434A (en) | 1997-05-21 | 1997-05-21 | An apparatus and a method of printing a workpiece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1199670A true CN1199670A (en) | 1998-11-25 |
Family
ID=10812793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98101284 Withdrawn CN1199670A (en) | 1997-05-21 | 1998-04-15 | Workpiece printing equipment and method |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP0879698A1 (en) |
| CN (1) | CN1199670A (en) |
| GB (1) | GB2325434A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE1015961A3 (en) * | 2004-03-26 | 2005-12-06 | Volder Laurent De | Device for printing products with mutual significant variations product with tampon and method for this. |
| EP2746050B1 (en) * | 2012-12-20 | 2017-02-01 | Teca-Print AG | Pad printing machine and method for operating a pad printing machine |
| CN107264013A (en) * | 2017-07-20 | 2017-10-20 | 苏州市烨铭塑胶制品厂 | A kind of intelligent pad printer system of automatic adaptation |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1303850A (en) * | 1970-11-03 | 1973-01-24 | ||
| US4407193A (en) * | 1980-06-16 | 1983-10-04 | International Business Machines Corporation | Solenoid impact print hammer with uniform free flight time |
| DE4025359A1 (en) * | 1990-08-10 | 1992-02-13 | Triumph Adler Ag | METHOD FOR ADJUSTING THE IMPRINT ENERGY OF A TYPE AND TYPEWRITER, PRINTER OR THE LIKE. FOR IMPLEMENTING THE PROCEDURE |
| DE4026331A1 (en) * | 1990-08-21 | 1992-02-27 | Schirnding Porzellan | STAMPING MACHINE FOR APPLYING AN UNDER GLAZED PRINT |
| US5392706A (en) * | 1992-07-30 | 1995-02-28 | Markem Corporation | Pad transfer printing method |
| US5383399A (en) * | 1993-09-27 | 1995-01-24 | Ncr Corporation | Zero hammer adjustment drum printer control technique |
| DE4412599C2 (en) * | 1994-04-13 | 1996-07-18 | Alexander Dipl In Muehlhaeuser | Printing machine, in particular pad printing machine |
| DE19510677A1 (en) * | 1995-03-27 | 1996-10-02 | Alexander Dipl In Muehlhaeuser | Rotary printing machine with round printing head |
| GB2305633A (en) * | 1995-09-29 | 1997-04-16 | Ho Wang Man David | A printing apparatus |
-
1997
- 1997-05-21 GB GB9710450A patent/GB2325434A/en not_active Withdrawn
-
1998
- 1998-04-01 EP EP98302411A patent/EP0879698A1/en not_active Withdrawn
- 1998-04-15 CN CN 98101284 patent/CN1199670A/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| EP0879698A1 (en) | 1998-11-25 |
| GB2325434A (en) | 1998-11-25 |
| GB9710450D0 (en) | 1997-07-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C03 | Withdrawal of patent application (patent law 1993) | ||
| WW01 | Invention patent application withdrawn after publication |