CN201124606Y - Front and back printing chromatography compensating mechanism - Google Patents
Front and back printing chromatography compensating mechanism Download PDFInfo
- Publication number
- CN201124606Y CN201124606Y CNU2007203029261U CN200720302926U CN201124606Y CN 201124606 Y CN201124606 Y CN 201124606Y CN U2007203029261 U CNU2007203029261 U CN U2007203029261U CN 200720302926 U CN200720302926 U CN 200720302926U CN 201124606 Y CN201124606 Y CN 201124606Y
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- axle
- wallboard
- fixed
- positive
- hand member
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Abstract
The utility model discloses a perfecting press chromatic compensation device, which comprises a left half shaft (2) fixed with a motor (1) and a right half shaft (3) connected with the left half shaft (2); a worm-and-gear assembly (41, 42) mounted on the screw mandrels (61, 62) of a ball screw assembly (51, 52) is respectively fixed on the right ends of the left and the right half shafts (2, 3); the screw caps (71, 72) of the ball screw assembly (51, 52) are respectively fixed with connecting bases (81, 82); the connecting bases (81, 82) are respectively connected with the two ends of a shaft (9); the shaft (9) is rotationally connected with a movable roller (10); the left and the right half shafts (2, 3) are rotationally supported on a left and a right wall panels (111, 112) respectively; a left and a right brackets (121, 122) are fixed on the left and the right wall panels (111, 112) respectively; the screw mandrels (61, 62) are rotationally supported on the the left and the right brackets (121, 122) respectively. The compensation device has the advantages of short compensation circuit, rapid chromatic response and small fluctuation, and high chromatic precision.
Description
Technical field:
The utility model relates to a kind of positive and negative trapping printing compensation arrangement that can eliminate chromatography error when positive and negative intaglio press carries out process printing.
Background technology:
The positive and negative trapping printing compensation arrangement of prior art generally is mounted on the connection crossbeam that prints between the unit, it needs a pair of little wallboard and support shelves as mounting base, though the working space of this chromatography compensation arrangement is broader, but since its to move roller far away from the printing plate cylinder of printing machine, therefore particularly back face printing compensation route is very long for its compensation route, thereby cause the slow and big defective that fluctuates of cover colour response, influenced the precision of positive and negative trapping printing greatly.
The utility model content:
The technical problems to be solved in the utility model is that a kind of positive and negative trapping printing compensation arrangement that route is short, chromatography is swift in response and it is little to fluctuate and the chromatography precision is higher that compensates is provided.
Technical solution of the present utility model is that a kind of positive and negative trapping printing compensation arrangement with following structure is provided: it comprises the left half axle and the right axle shaft that with left half axle right-hand member be connected fixedly connected with motor; Described left half axle and right axle shaft are fixed with a pair of worm couple respectively near their right-hand member place; Described two pairs of worm couples are installed in respectively on the screw mandrel of two cover ball screw assembly,s; The nut of described two ball screw assembly,s is fixedlyed connected with two Connection Blocks respectively; Described two Connection Blocks are fixedlyed connected with the two ends of axle respectively; Described axle is rotatably connected with mobile roller; Described left half axle and right axle shaft are supported on respectively on the left and right wallboard of printing machine rotationally; Be fixed with left and right support respectively on the described left and right wallboard; Described two rhizoid bars are supported on the left and right support respectively rotationally.
After adopting above structure, compared with prior art, the utlity model has following advantage: be installed on the connection crossbeam that prints between the unit different with the positive and negative trapping printing compensation arrangement of prior art, the utility model does not need extra support shelves and a pair of little wallboard to be used as mounting base, left half axle in the utility model and right axle shaft directly are rotatably connected on the wallboard of printing machine itself, therefore the length that the distance between mobile roller and the printing plate cylinder promptly compensates route in the utility model has been shortened greatly, thereby make the utility model not only increase the speed of cover colour response, reduce the chromatography fluctuation, and improved the precision of chromatography.
As a kind of improvement of the present utility model, described left half axle can adopt following concrete structure respectively with on the left and right wallboard that is supported on printing machine rotationally with right axle shaft: the left end of described left half axle is connected with left wallboard by two bearings; The right-hand member of described right axle shaft is connected with right wallboard by two bearings; Be respectively equipped with a positioning spacer between two bearings of described every end; Be fixed with a capping that can stop right axle shaft to move right on the described right wallboard.The setting of positioning spacer and capping is in order to prevent the left and right half move left and right, guarantees that left and right half can rotate neatly, thereby has further improved the precision of the utility model chromatography.
As another kind of improvement the of the present utility model, be provided with the stopping means that to control the nut shift position between described left wallboard and the ball screw assembly.Stopping means can be used for controlling the i.e. shift position of mobile roller, shift position of the nut of ball screw assembly,, thereby avoid the miscellaneous part of nut and mobile roller and printing machine to collide, thereby further reduced the chromatography fluctuation of the positive and negative trapping printing compensation arrangement of the utility model, improved the precision of chromatography.
As of the present utility model another improve, being connected to can relatively rotate between described left half axle right-hand member and the right axle shaft left end is connected.Relatively rotating between left half axle right-hand member and the right axle shaft left end can guarantee that mobile roller is in installation of the present utility model and use during run-off the straight, can be by relatively rotating left half axle or right axle shaft is regulated, promptly can allow wherein a pair of worm couple and the screw mandrel on the ball screw assembly, in the utility model rotate, thereby make the nut initial position on the ball screw assembly, identical, guarantee that mobile roller is parallel with the printing unit, further reduce the precision of chromatography fluctuation and raising chromatography.
Also have a kind of improvement as of the present utility model, described axle is rotatably connected with mobile roller and can adopts following concrete structure: described two ends are connected with the two ends of mobile roller by bearing respectively; The left and right both ends of the surface of described mobile roller are respectively equipped with a back-up ring and a jump ring is fixed on the axle.Back-up ring and jump ring can prevent that mobile roller from arbitrarily moving, thereby have further guaranteed chromatography precision of the present utility model.
Description of drawings:
Fig. 1 is the broken section structural representation of the positive and negative trapping printing compensation arrangement of the utility model when being installed on the printing press wall board.
Fig. 2 is the plan structure schematic diagram of Fig. 1.
Fig. 3 is the sectional structure enlarged diagram along " A-A " line among Fig. 1.
Fig. 4 is the structure for amplifying schematic diagram of " B " among Fig. 1.
Fig. 5 is the structure for amplifying schematic diagram of " C " among Fig. 1.
Shown in the figure: 1, motor, 2, left half axle, 3, right axle shaft, 41,42, worm couple, 51,52, ball screw assembly,, 61,62, screw mandrel, 71,72, nut, 81,82, Connection Block, 9, axle, 10, mobile roller, 111, left wallboard, 112, right wallboard, 121, left socle, 122, right support, 13, small rack, 14, limited block, 151,152, bearing, 16, positioning spacer, 17, capping, 181,182, half a coupler, 19, bolt, 20, bearing, 21, back-up ring, 22, jump ring.
Specific embodiment:
The utility model is described in further detail below in conjunction with the drawings and specific embodiments:
As Fig. 1, Fig. 2 and shown in Figure 3, in this specific embodiment, described motor 1 is fixed on the left wallboard 111, and its rotating shaft is fixedlyed connected with the left half axle 2 in the utility model by a shaft coupling.As Fig. 2 and shown in Figure 4, described left half axle 2 left ends are supported on the left wallboard 111 rotationally by two bearings 151; Be provided with a positioning spacer 16 between described two bearings 151.In order to realize can relatively rotating between left half axle 2 right axle shafts 3 is that connected mode between left half axle 2 and the right axle shaft 3 is for can relatively rotate mode, the left end of described left half axle 2 right-hand members and right axle shaft 3 is connected with two half a couplers 181,182 by flat key respectively, and described two half a couplers 181,182 interconnect by bolt 19.Described left half axle 2 is fixed with a pair of worm couple 41 near half a coupler 181 places, and described worm couple 41 is installed on the screw mandrel 61 of ball screw assembly, 51, and described ball screw assembly, 51 is supported on the left socle 121 rotationally.A Connection Block 81 is fixed on the nut 71 of ball screw assembly, 51 by screw.Described Connection Block 81 is fixedlyed connected with the left end of axle 9 by screw; The two ends of described axle 9 are rotatably connected by the two ends of bearing 20 with mobile roller 10 respectively; The left and right both ends of the surface of described mobile roller 10 are respectively equipped with a back-up ring 21 and a jump ring 22 is fixed on the axle 9, as shown in Figure 5.In this specific embodiment, be provided with the stopping means that can control nut 71 shift positions between described left wallboard 111 and the ball screw assembly, 51, its concrete structure is: be fixed with a small rack 13 on the described left wallboard 111; The right-hand member of described small rack 13 is fixed with two limited blocks 14; Described nut 71 is between two limited blocks 14.
As shown in Figure 5, described right axle shaft 3 right-hand members are supported on the right wallboard 112 rotationally by two bearings 152; Be respectively equipped with a positioning spacer 16 between described two bearings 152; Be screwed a capping 17 that can stop right axle shaft 3 to move right on the described right wallboard 112.Fix a pair of worm couple 42 near on the right axle shaft 3 of right wallboard 112, described worm couple 42 is installed on the screw mandrel 62 of ball screw assembly, 52, and described ball screw assembly, 52 is supported on the right support 122 rotationally.A Connection Block 82 is fixed on the nut 72 of ball screw assembly, 52 by screw.Described Connection Block 82 is fixedlyed connected with the right-hand member of axle 9 by screw.
Operation principle of the present utility model is: when motor 1 rotated, the rotating shaft meeting of motor 1 drives left half axle 2 by shaft coupling and right axle shaft 3 rotates simultaneously; Rotate thereby drive with the worm screw of its fixing worm couple 41,42, worm screw drives worm gear and rotates, the screw mandrel 61,62 of worm gear drives ball screw assembly, 51,52 rotates simultaneously, will straight line move with the Connection Block 81,82 that links together of nut 71,72 on the ball screw assembly, 51,52 this moment, because axle 9 is fixedlyed connected with Connection Block 81,82, therefore axle 9 also follows Connection Block 81,82 straight lines to move, and drive mobile roller 10 and move, change to walk to expect length thereby reach, play compensating action, finish the chromatography requirement.
Claims (7)
1, a kind of positive and negative trapping printing compensation arrangement comprises the left half axle (2) and the right axle shaft (3) that with left half axle (2) right-hand member be connected fixedly connected with motor (1); Described left half axle (2) and right axle shaft (3) are fixed with worm couple (41,42) respectively near their right-hand member place; Described worm couple (41,42) is installed in respectively on the screw mandrel (61,62) of ball screw assembly, (51,52); The nut (71,72) of described ball screw assembly, (51,52) is fixedlyed connected with Connection Block (81,82) respectively; Connection Block (81,82) is fixedlyed connected with the two ends of axle (9) respectively; Described axle (9) is rotatably connected with mobile roller (10), and it is characterized in that: described left half axle (2) and right axle shaft (3) are supported on respectively on the left and right wallboard (111,112) of printing machine rotationally; Be fixed with left and right support (121,122) on the described left and right wallboard (111,112) respectively; Described screw mandrel (61,62) is supported on respectively on the left and right support (121,122) rotationally.
2, positive and negative trapping printing compensation arrangement according to claim 1, it is characterized in that: the left and right wallboard (111,112) that described left half axle (2) and right axle shaft (3) are supported on printing machine respectively rotationally refers to that upward the left end of described left half axle (2) is connected with left and right wallboard (111,112) with two bearings (152) by two bearings (151) respectively with the right-hand member of described right axle shaft (3); Be respectively equipped with a positioning spacer (16) between described two bearings (151) and between two bearings (152); Be fixed with a capping (17) that can stop right axle shaft (3) to move right on the described right wallboard (112).
3, positive and negative trapping printing compensation arrangement according to claim 1 is characterized in that: be provided with the stopping means that can control nut (71) shift position between described left wallboard (111) and the ball screw assembly, (51).
4, positive and negative trapping printing compensation arrangement according to claim 2, it is characterized in that: be provided with the stopping means that to control nut (71) shift position between described left wallboard (111) and the ball screw assembly, (51) and refer to, be fixed with a small rack (13) on the described left wallboard (111); The right-hand member of described small rack (13) is fixed with two limited blocks (14); Described nut (71) is positioned between two limited blocks (14).
5, positive and negative trapping printing compensation arrangement according to claim 1 is characterized in that: being connected to can relatively rotate between described left half axle (2) right-hand member and right axle shaft (3) left end is connected.
6, positive and negative trapping printing compensation arrangement according to claim 5, it is characterized in that: being connected to can relatively rotate be connected between described left half axle (2) right-hand member and right axle shaft (3) left end refers to that the left end of described left half axle (2) right-hand member and right axle shaft (3) is connected with two half a couplers (181,182) by flat key respectively; Described two half a couplers (181,182) interconnect by bolt (19).
7, positive and negative trapping printing compensation arrangement according to claim 1 is characterized in that: described axle (9) and mobile roller (10) fingers that be rotatably connected, and the two ends of described axle (9) are passed through bearing (20) respectively and are connected with the two ends of mobile roller (10); The left and right both ends of the surface of described mobile roller (10) are respectively equipped with a back-up ring (21) and a jump ring (22) is fixed on the axle (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007203029261U CN201124606Y (en) | 2007-12-21 | 2007-12-21 | Front and back printing chromatography compensating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007203029261U CN201124606Y (en) | 2007-12-21 | 2007-12-21 | Front and back printing chromatography compensating mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201124606Y true CN201124606Y (en) | 2008-10-01 |
Family
ID=39998022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007203029261U Expired - Lifetime CN201124606Y (en) | 2007-12-21 | 2007-12-21 | Front and back printing chromatography compensating mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201124606Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105437732A (en) * | 2015-12-28 | 2016-03-30 | 亚龙纸制品（昆山）有限公司 | Overprinting structure of ruling machine |
-
2007
- 2007-12-21 CN CNU2007203029261U patent/CN201124606Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105437732A (en) * | 2015-12-28 | 2016-03-30 | 亚龙纸制品（昆山）有限公司 | Overprinting structure of ruling machine |
| CN105437732B (en) * | 2015-12-28 | 2018-01-09 | 亚龙纸制品（昆山）有限公司 | A kind of chromatography structure of pen machine |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20081001 |
|
| CX01 | Expiry of patent term |