CN209141667U - A kind of print roller accurate adjusting device of printing machine - Google Patents
A kind of print roller accurate adjusting device of printing machine Download PDFInfo
- Publication number
- CN209141667U CN209141667U CN201821669039.2U CN201821669039U CN209141667U CN 209141667 U CN209141667 U CN 209141667U CN 201821669039 U CN201821669039 U CN 201821669039U CN 209141667 U CN209141667 U CN 209141667U
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- China
- Prior art keywords
- fixture block
- print roller
- wall
- lower fixture
- drive rod
- Prior art date
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- Expired - Fee Related
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- Inking, Control Or Cleaning Of Printing Machines (AREA)
Abstract
The utility model discloses a kind of print roller accurate adjusting devices of printing machine, including support construction, fixed mechanism and regulating mechanism, support construction includes pedestal, guide post and driving support plate, fixed mechanism is equipped between two columns of guide post, fixed mechanism includes lower fixture block, upper fixture block and fastening bearing, it drives and is equipped with regulating mechanism above support plate, regulating mechanism includes connecting plate, motor, drive rod and adjusts connecting column.Drive rod in the regulating mechanism of the utility model is connect with connecting plate by threaded relation, it is rotated by motor drive drive rod, it can make to be risen or moved down by the fixed mechanism of adjusting connecting column connection below connecting plate, it accurately controls the rising of print roller fixed on fixed mechanism or moves down, and the lower fixture block on fixed mechanism and between pedestal be equipped with spring, lower fixture block can be supported upwards, it prevents from print roller from generating at work to shake in fine clearance, increases printing precision.
Description
Technical field
The utility model relates to printer technology field, the print roller accurate adjusting device of specially a kind of printing machine.
Background technique
The print roller of printing machine is usually assemblied in the bearing in support base by the support shaft of two sides, passes through support shaft and axis
The interference fit held completes the installation to print roller.It is furnished with the different print roller of more length and diameters in some printing machines, with
The printing product of various sizes is obtained, the requirement of printed document specification is adapted to, needs to be arranged in the printing machine for being equipped with more print rollers
The regulating device (such as: the lifting devices such as gear rack arrangement) of print roller, the print roller for choosing suitable dimension is printed
Brush operation, with achieve the purpose that convenient for operation, but it there are still following drawbacks in actual use:
1. existing printing roller regulating device, such as rack-and-pinion regulating device, between having at the transmission connection of device
Gap is easy to produce spacious amount when carrying out the lift adjustment of print roller, so that regulating device is inaccurate, it cannot be to print roller and print
Accurate gap regulation is carried out between part, so that the font of printed document is excessively light or excessively fuzzy；
2. when carrying out replacement maintenance to print roller, since print roller is usually being supported by the support shaft elastic conjunction of two sides
In bearing in seat, it is be easy to cause gap in the disassembly and installation to support shaft and bearing, it cannot be guaranteed that precision；
3. replacing the cumbersome of print roller, it is unfavorable for working efficiency.
Utility model content
The purpose of this utility model is to provide a kind of print roller accurate adjusting devices of printing machine, to solve above-mentioned background
The problem of being proposed in technology.
To achieve the above object, the utility model provides the following technical solutions: a kind of print roller of printing machine is precisely adjusted
Device, including support construction, fixed mechanism and regulating mechanism, the support construction include pedestal, guide post and driving support plate, bottom
Seat is two plate bodys symmetrical and disposed in parallel, and two plate body upper surfaces of pedestal are equipped with vertical guide post, and guide post is by two
The symmetrically arranged column of root is constituted, and two guide post upper ends are connected with the driving support plate of plate, and the two of two guide posts
Fixed mechanism is equipped between root column, fixed mechanism includes lower fixture block, upper fixture block and fastening bearing, lower fixture block and upper fixture block
Two sides and guide post two column sliding contacts, the centre of lower fixture block and upper fixture block, lower fixture block is arranged in fastening bearing
Vertical threaded hole, lower fixture block and upper fixture block is equipped with two sides inside upper fixture block to connect by being equipped with dormant bolt with threaded hole,
The lower end surface of lower fixture block is equipped with holddown spring, and lower fixture block is connected by the upper surface of holddown spring and pedestal, described two tight
Gu being equipped with print roller between bearing, the two sides of print roller are equipped with support shaft, and support shaft is connect with the inside of two fastening bearings,
Regulating mechanism is equipped with above the driving support plate, regulating mechanism includes connecting plate, motor, drive rod and adjusts connecting column,
Motor is arranged among the upper surface of driving support plate, and motor upper end is equipped with vertical drive rod, drive rod and plate
Vertical connection, connecting plate lower surface two sides are equipped with the adjusting connecting column of vertical cylindrical in the middle part of connecting plate, adjust connecting column and wear
It is connect through the lower end correspondence of driving support plate, and two adjusting connecting columns with the upper surface of two upper fixture blocks.
Preferably, the fastener shaft, which is contracted, includes outer housing, inner housing, elastomer block and retaining ring, and retaining ring is set in print roller institute
If the two sides outer wall of shaft, elastomer block is coniform body, and the conus portion of elastomer block is inwardly arranged, and elastomer block outer cover is equipped with
Inner housing, the inner wall of inner housing are equipped with circular conical surface cooperate with elastomer block, elastomer block outer cover equipped with outer housing, outer housing it is interior
Wall is contacted with the rotation of the outer wall of inner housing, and the contact position of outer housing and inner housing is equipped with ball, is close to the lateral wall of elastomer block
Retaining ring equipped with annulus plate, retaining ring are connected by the lateral wall of bolt and inner housing.
Preferably, the upper surface of the lower fixture block offers semi-circular recesses, and the lower end surface of upper fixture block offers semicircle
Groove, and limiting slot is offered in the semi-circular recesses that are opened up of lower fixture block and upper fixture block, the outer wall of limiting slot and fastening bearing
Cooperation contact.
Preferably, the lower fixture block and upper fixture block two sides are equipped with vertically disposed square slider, two columns set by guide post
The inner wall of shape body offers vertically disposed sliding slot, two columns of sliding block set by lower fixture block and upper fixture block and guide post it is interior
Sliding slot that wall is opened up cooperates sliding, and the lower surface of lower fixture block sets that there are two holddown springs, and two holddown springs are symmetrical arranged
In the two sides of lower fixture block lower surface.
Preferably, the driving support plate upper surface two sides offer through-hole vertically downward, and adjust connecting column along drive
The through hole that dynamic support plate is opened up penetrates downwards, and the inner wall of the outer wall and driving the opened up through-hole of support plate that adjust connecting column is sliding
Dynamic contact.
Preferably, the drive rod outer wall is equipped with external screw thread, and the junction of connecting plate and drive rod is equipped with internal screw thread, driving
The external screw thread that bar outer wall is equipped with is engaged with internal screw thread set by drive rod.
Preferably, the print roller is equipped with the first print roller and the second print roller two, the first print roller and the second printing
The cylindrical body that roller is length, diameter is different.
Compared with prior art, the utility model has the beneficial effects that the utility model structure setting is reasonable, it is functional
By force, it has the advantage that
1. the drive rod in the regulating mechanism of the utility model is connect with connecting plate by threaded relation, driven by motor
Dynamic drive rod rotation can make to be risen or moved down by the fixed mechanism of adjusting connecting column connection below connecting plate
It the rising of fixed print roller or moves down, and the lower fixture block on fixed mechanism and is set between pedestal on accurate control fixed mechanism
There is spring, lower fixture block can be supported upwards, prevents print roller from generating at work and shaken in fine clearance, increase printing
Precision；
2. the fastening bearing in the utility model fixed mechanism, can the support shaft to print roller carry out firm connection,
Retaining ring in fastening bearing is bolted with inner housing, clamps to elastomer block, the tapering of elastomer block and inner housing inner cone
Face contact is shunk, and is gripped to the support shaft outer wall of print roller, still guarantees stability after replacing print roller；
It is placed in limiting slot set by lower fixture block and upper fixture block 3. the utility model holds fastener shaft, lower fixture block and upper fixture block
Sandwiched is carried out to fastening bearing by bolt, fastening bearing is placed and generates axial offset.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the utility model front view；
Fig. 3 is the enlarged drawing in Fig. 2 at B；
Fig. 4 is the sectional view that A-A goes out in Fig. 2；
Fig. 5 is the enlarged drawing in Fig. 4 at C；
Fig. 6 is the structural schematic diagram of fixed mechanism in the utility model.
In figure: support construction 1, fixed mechanism 2, print roller 3, the first print roller 31, the second print roller 32, regulating mechanism 4,
Pedestal 5, guide post 6, driving support plate 7, lower fixture block 8, upper fixture block 9, fastening bearing 10, connecting plate 11, motor 12, drive rod
13, holddown spring 14, dormant bolt 15, outer housing 16, inner housing 17, elastomer block 18, retaining ring 19, adjusting connecting column 20, limit
Slot 21.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Please refer to Fig. 1 to Fig. 6, the utility model provides a kind of technical solution: a kind of print roller of printing machine is precisely adjusted
Device, including support construction 1, fixed mechanism 2 and regulating mechanism 4, support construction 1 include pedestal 5, guide post 6 and driving support plate
7, as shown in Figure 1, pedestal 5 is two plate bodys symmetrical and disposed in parallel, 5 two plate body upper surfaces of pedestal are equipped with vertically
Guide post 6, guide post 6 is made of two symmetrically set column, and two 6 upper ends of guide post are all connected with the support of the driving equipped with plate
Plate 7, is equipped with fixed mechanism 2 between two columns of two guide posts 6, and fixed mechanism 2 includes lower fixture block 8, upper fixture block 9 and tight
Gu two column sliding contacts of the two sides of bearing 10, lower fixture block 8 and upper fixture block 9 and guide post 6, so that lower fixture block 8 and upper
Fixture block 9 can slide up and down, and fastening bearing 10 is arranged in the centre of lower fixture block 8 and upper fixture block 9, in lower fixture block 8 and upper fixture block 9
Portion two sides are equipped with vertical threaded hole, lower fixture block 8 and upper fixture block 9 and are connect by being equipped with dormant bolt 15 with threaded hole, countersunk head spiral shell
15 lower fixture block 8 of bolt and upper fixture block 9 are closed, and are clamped to fastening bearing 10, and the lower end surface of lower fixture block 8 is equipped with holddown spring
14, and lower fixture block 8 is connect by holddown spring 14 with the upper surface of pedestal 5, and print roller 3 is equipped between two fastening bearings 10,
The two sides of print roller 3 are equipped with support shaft, and support shaft is connect with the inside of two fastening bearings 10, drive and set above support plate 7
There is regulating mechanism 4, regulating mechanism 4 includes connecting plate 11, motor 12, drive rod 13 and adjusts connecting column 20, and motor 12 is set
It sets among the upper surface of driving support plate 7,12 upper end of motor is equipped with vertical drive rod 13, the company of drive rod 13 and plate
The vertical connection in 11 middle part of fishplate bar, 11 lower surface two sides of connecting plate are equipped with the adjusting connecting column 20 of vertical cylindrical, adjust connection
Column 20 penetrates support plate 7 of overdriving, and the lower end correspondence of two adjusting connecting columns 20 is connect with the upper surface of two upper fixture blocks 9.
As shown in figure 3, fastening bearing 10 includes outer housing 16, inner housing 17, elastomer block 18 and retaining ring 19, retaining ring 19 is arranged
The two sides outer wall of the shaft set by print roller 3, elastomer block 18 are coniform body, and the conus portion of elastomer block 18 is inwardly arranged, elasticity
18 outer cover of block is equipped with inner housing 17, and the inner wall of inner housing 17 is equipped with the circular conical surface cooperated with elastomer block 18, elastomer block 18
Outer cover is equipped with outer housing 16, and the inner wall of outer housing 16 is contacted with the rotation of the outer wall of inner housing 17, and outer housing 16 and inner housing
17 contact position is equipped with ball, and the lateral wall for being close to elastomer block 18 is equipped with the retaining ring 19 of annulus plate, and retaining ring 19 is equal by four
The bolt of even setting stock is connect with the lateral wall of inner housing 17, by the taper-face contact in the tapering of elastomer block 18 and inner housing 17, gear
Circle 19 is bolted with inner housing 17, clamps to elastomer block 18, and tapering and the 17 inside conical surface of inner housing of elastomer block 18 connect
Touching is shunk, and is gripped to the support shaft outer wall of print roller 3, guarantees stability.
As shown in fig. 6, the upper surface of lower fixture block 8 offers semi-circular recesses, the lower end surface of upper fixture block 9 offers semicircle
Groove, and limiting slot 21 is offered in the semi-circular recesses that are opened up of lower fixture block 8 and upper fixture block 9, limiting slot 21 and fastening bearing
10 outer wall cooperates contact, and fastening bearing 10 is placed in limiting slot 21 set by lower fixture block 8 and upper fixture block 9, lower fixture block 8 and upper
Fixture block 9 carries out sandwiched to fastening bearing 10 by bolt, places fastening bearing 10 and generates axial offset.
As shown in fig. 6, lower fixture block 8 and 9 two sides of upper fixture block are equipped with vertically disposed square slider, two set by guide post 6
The inner wall of column offers vertically disposed sliding slot, sliding block set by lower fixture block 8 and upper fixture block 9 and 6 two columns of guide post
The sliding slot that the inner wall of body is opened up cooperates sliding, so that lower fixture block 8 and upper fixture block 9 can be slided up and down along guide post 6, lower fixture block 8
Lower surface is set there are two holddown spring 14, and the lower end surface of lower fixture block 8 is equipped with holddown spring 14, can carry out to lower fixture block 8 upwards
Support prevents print roller 3 from generating at work and shakes in fine clearance, increases printing precision, and two holddown springs 14 are symmetrical
The two sides of 8 lower surface of lower fixture block are set, guarantee that support is uniform.
As shown in figure 4, driving 7 upper surface two sides of support plate offer through-hole vertically downward, and adjust 20 edge of connecting column
The through hole that driving support plate 7 is opened up penetrates downwards, adjusts the outer wall of connecting column 20 and drives the opened up through-hole of support plate 7
Inner wall sliding contact.
13 outer wall of drive rod is equipped with external screw thread, and connecting plate 11 and the junction of drive rod 13 are equipped with internal screw thread, drive rod 13
The external screw thread that outer wall is equipped with is engaged with internal screw thread set by drive rod 13, due to the threaded relation of drive rod 13 and connecting plate 11,
When starting motor 12 rotates drive rod 13, connecting plate 11 may make to carry out accurate up and down adjustment.
Print roller 3 is equipped with the first print roller 31 and the second print roller 32 two, the first print roller 31 and the second print roller 32
It, to obtain the printing product of various sizes, is fitted for the different cylindrical body of length, diameter convenient for switching various sizes of print roller
Answer the requirement of printed document specification.
Working principle: it needs the first print roller 31 performing handover to the second print roller 32 in utility model works and works
When, drive rod 13 is connected through a screw thread with connecting plate 11, and the adjusting connecting column 20 of 11 lower surface two sides of connecting plate and driving support
7 sliding contact of plate, so that connecting plate 11 can move up and down when drive rod 13 rotates, 31 top of the first print roller of starting
Motor 12 rotate drive rod 13, become to making connecting plate 11 and adjust connecting column 20 ramp up, adjust connecting column 20
The fixed mechanism 2 that is connected of lower end be raised above, the first print roller 31 is detached from operating position, is started in the second print roller 32
Square motor 12 moves down connecting plate 11 and motor 12, until the second print roller 32 enters operating position, passes through drive
Lever 13 and the threaded relation of connecting plate 11, which control, to be gone up and down, and is reduced the generation in up and down direction gap, is increased degree of regulation, lower fixture block
8 lower end surface is equipped with holddown spring 14, can be supported upwards to lower fixture block 8, prevent print roller 3 from generated at work thin
Microgap shake, increases printing precision；
When replacing to print roller 3, elastic lower fixture block 8 and upper fixture block 9 can be made by carrying out to dormant bolt 15
Separation, can take out print roller 3, by unclamping the bolt of elastomer block 18 and the connection of retaining ring 19, take out retaining ring 19, elastomer block
The support shaft outer wall of 18 pairs of print rollers 3 reduces clamping force, convenient for taking out elastomer block 18, makes entirely to fasten bearing 10 convenient for more
It changes, when installation, by the taper-face contact in the tapering of elastomer block 18 and inner housing 17, retaining ring 19 is bolted with inner housing 17,
Elastomer block 18 is clamped, the tapering of elastomer block 18 and 17 inside taper-face contact of inner housing are shunk, to the support shaft outer wall of print roller 3
It is gripped, guarantees stability, fastening bearing 10 is placed in limiting slot 21 set by lower fixture block 8 and upper fixture block 9, lower fixture block 8
Sandwiched is carried out to fastening bearing 10 by bolt with upper fixture block 9, fastening bearing 10 is placed and generates axial offset.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (7)
1. a kind of print roller accurate adjusting device of printing machine, including support construction (1), fixed mechanism (2) and regulating mechanism
(4), it is characterised in that: the support construction (1) includes pedestal (5), guide post (6) and driving support plate (7), and pedestal (5) is two
Item is symmetrical and plate body disposed in parallel, (5) two plate body upper surfaces of pedestal are equipped with vertical guide post (6), guide post (6) by
Two symmetrically set column is constituted, and two guide post (6) upper ends are connected with the driving support plate (7) of plate, described in two
Be equipped with fixed mechanism (2) between two columns of guide post (6), fixed mechanism (2) include lower fixture block (8), upper fixture block (9) and
It fastens bearing (10), two column sliding contacts of the two sides and guide post (6) of lower fixture block (8) and upper fixture block (9) fasten bearing
(10) setting is equipped with vertical spiral shell in the centre of lower fixture block (8) and upper fixture block (9), lower fixture block (8) and the internal two sides of upper fixture block (9)
Pit, lower fixture block (8) and upper fixture block (9) are connect by being equipped with dormant bolt (15) with threaded hole, and the lower end surface of lower fixture block (8) is set
Have holddown spring (14), and lower fixture block (8) is connect by holddown spring (14) with the upper surface of pedestal (5), described two fastenings
Print roller (3) are equipped between bearing (10), the two sides of print roller (3) are equipped with support shaft, and support shaft and two fastening bearings
(10) inside connection, driving support plate (7) top are equipped with regulating mechanism (4), and regulating mechanism (4) includes connecting plate
(11), motor (12), drive rod (13) and adjusting connecting column (20), motor (12) setting is in the upper of driving support plate (7)
Among surface, motor (12) upper end is equipped with vertical drive rod (13), connecting plate (11) middle part of drive rod (13) and plate
Vertical connection, connecting plate (11) lower surface two sides are equipped with the adjusting connecting column (20) of vertical cylindrical, adjust connecting column (20)
It penetrates support plate of overdriving (7), and two corresponding upper surfaces with two upper fixture blocks (9) in lower end for adjusting connecting column (20) connect
It connects.
2. a kind of print roller accurate adjusting device of printing machine according to claim 1, it is characterised in that: the fastener shaft
Holding (10) includes outer housing (16), inner housing (17), elastomer block (18) and retaining ring (19), and retaining ring (19) is set in print roller (3)
The two sides outer wall of set shaft, elastomer block (18) are coniform body, and the conus portion of elastomer block (18) is inwardly arranged, elastomer block (18)
Outer cover is equipped with inner housing (17), and the inner wall of inner housing (17) is equipped with the circular conical surface cooperated with elastomer block (18), elastomer block
(18) outer cover is equipped with outer housing (16), and the inner wall of outer housing (16) is contacted with the rotation of the outer wall of inner housing (17), and outer housing
(16) and the contact position of inner housing (17) is equipped with ball, and the lateral wall for being close to elastomer block (18) is equipped with the retaining ring of annulus plate
(19), retaining ring (19) is connect by bolt with the lateral wall of inner housing (17).
3. a kind of print roller accurate adjusting device of printing machine according to claim 1, it is characterised in that: the lower fixture block
(8) upper surface offers semi-circular recesses, and the lower end surface of upper fixture block (9) offers semi-circular recesses, and lower fixture block (8) and upper
It is offered in the semi-circular recesses that fixture block (9) is opened up limiting slot (21), limiting slot (21) and the outer wall of fastening bearing (10) are matched
Splice grafting touching.
4. a kind of print roller accurate adjusting device of printing machine according to claim 1, it is characterised in that: the lower fixture block
(8) and upper fixture block (9) two sides are equipped with vertically disposed square slider, and the inner wall of two columns set by guide post (6) opens up
There is vertically disposed sliding slot, the inner wall of (6) two columns of sliding block set by lower fixture block (8) and upper fixture block (9) and guide post is opened
If sliding slot cooperate sliding, the lower surface of lower fixture block (8) is set there are two holddown spring (14), and two holddown springs (14) are symmetrical
Two sides in lower fixture block (8) lower surface are set.
5. a kind of print roller accurate adjusting device of printing machine according to claim 1, it is characterised in that: the driving branch
Fagging (7) upper surface two sides offer through-hole vertically downward, and adjust what connecting column (20) edge driving support plate (7) was opened up
Through hole penetrates downwards, adjusts the inner wall sliding contact of the outer wall and driving support plate (7) opened up through-hole of connecting column (20).
6. a kind of print roller accurate adjusting device of printing machine according to claim 1, it is characterised in that: the drive rod
(13) outer wall is equipped with external screw thread, and connecting plate (11) and the junction of drive rod (13) are equipped with internal screw thread, and drive rod (13) outer wall is set
Some external screw threads are engaged with internal screw thread set by drive rod (13).
7. a kind of print roller accurate adjusting device of printing machine according to claim 1, it is characterised in that: the print roller
(3) it is equipped with the first print roller (31) and the second print roller (32) two, the first print roller (31) and the second print roller (32) are length
The different cylindrical body of degree, diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821669039.2U CN209141667U (en) | 2018-10-15 | 2018-10-15 | A kind of print roller accurate adjusting device of printing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821669039.2U CN209141667U (en) | 2018-10-15 | 2018-10-15 | A kind of print roller accurate adjusting device of printing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209141667U true CN209141667U (en) | 2019-07-23 |
Family
ID=67269878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821669039.2U Expired - Fee Related CN209141667U (en) | 2018-10-15 | 2018-10-15 | A kind of print roller accurate adjusting device of printing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209141667U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110978746A (en) * | 2019-12-23 | 2020-04-10 | 兰州石化职业技术学院 | Printing pressure adjusting mechanism of flexographic printing machine |
-
2018
- 2018-10-15 CN CN201821669039.2U patent/CN209141667U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110978746A (en) * | 2019-12-23 | 2020-04-10 | 兰州石化职业技术学院 | Printing pressure adjusting mechanism of flexographic printing machine |
| CN110978746B (en) * | 2019-12-23 | 2022-02-22 | 兰州石化职业技术学院 | Printing pressure adjusting mechanism of flexographic printing machine |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190723 Termination date: 20211015 |
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| CF01 | Termination of patent right due to non-payment of annual fee |