CN209904247U - Positive and negative color transmission device of flexographic printing machine - Google Patents
Positive and negative color transmission device of flexographic printing machine Download PDFInfo
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- CN209904247U CN209904247U CN201920197363.7U CN201920197363U CN209904247U CN 209904247 U CN209904247 U CN 209904247U CN 201920197363 U CN201920197363 U CN 201920197363U CN 209904247 U CN209904247 U CN 209904247U
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- end cover
- switching
- anilox roller
- way bearing
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Abstract
The utility model discloses a positive reverse drive arrangement of flexographic printing machine, including setting up the reticulation roller drive gear on the reticulation roller, its characterized in that, be provided with the switching-over device on the reticulation roller drive gear, the switching-over device includes corotation switching-over device, reversal switching-over device and round pin axle, corotation switching-over device comprises first end cover and first one-way bearing, first one-way bearing install in the first end cover hole, reversal switching-over device comprises second end cover and second one-way bearing, second one-way bearing install in the second end cover hole, the round pin axle runs through reticulation roller drive gear, first end cover and the second end cover to with sliding fit between reticulation roller drive gear, first end cover and the second end cover; the utility model discloses having optimized reticulation roller drive gear's switching-over mode, having not needed dismouting reticulation roller just can realize the reverse color printing, do not influence the machine precision, simple structure, with low costs has improved production efficiency greatly, has reduced intensity of labour.
Description
Technical Field
The utility model belongs to the technical field of the flexographic printing machine, especially, relate to a flexographic printing machine tow-color transmission.
Background
At present, the transmission device of range upon range of formula flexographic printing machine usefulness when carrying out just reversal transform adopts cylinder straight-teeth gear or cylinder helical gear to realize the corotation (positive seal) or the contrarotation (negative seal) of output shaft and input shaft through manual dismantlement, and the transmission device of this kind of structure requires very high to the machining precision of cylinder straight-teeth gear or cylinder helical gear, and the structure is complicated, and is with high costs.
The prior art patent number is ZL 201110147633.1's printing machine anilox roller is toggle gear just reversing, including establishing drive gear and the fortune black gear of axle head about the anilox roller, its characterized in that: the transmission gear and the ink conveying gear are rotatably sleeved on the left shaft end and the right shaft end of the anilox roller, the left shaft end and the right shaft end of the anilox roller are respectively and fixedly connected with a fixed sleeve, pawls which can be shifted left and right are arranged on the end surfaces of the transmission gear and the ink conveying gear, a clamping groove for clamping the ratchet of the pawl is arranged on the fixed sleeve, the pawl is provided with two ratchets, and the two ratchets respectively push the fixed sleeve to rotate clockwise and anticlockwise through the clamping groove; however, the toggle device for the positive and negative rotation of the anilox roller of the printing machine has the following problems:
1. the pawl is clamped in the clamping groove, the pawl is not easy to pull out after long-time use, and the ratchet is even clamped in the clamping groove;
2. when the pawl is reversed, the anilox roller needs to rotate in an excessive way;
3. idle running of the anilox roller causes the ratchet teeth of the pawl to wear.
Accordingly, a flexographic printing press is presented herein for use with a positive and negative color drive.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a flexographic printing machine just reverses color transmission, its switching-over mode of having optimized anilox roller drive gear need not dismouting anilox roller, does not influence the machine precision, and simple structure, with low costs have not only improved production efficiency greatly, have reduced intensity of labour moreover.
The utility model discloses a solve above technical problem, adopt following technical scheme: the utility model provides a flexographic printing machine just reverse color transmission, is including setting up the reticulation roller drive gear on the reticulation roller, its characterized in that, be provided with the switching-over device on the reticulation roller drive gear, the switching-over device includes corotation switching-over device, reversal switching-over device and round pin axle, corotation switching-over device comprises first end cover and first one-way bearing, first one-way bearing install in the first end cover hole, reversal switching-over device comprises second end cover and the one-way bearing of second, the one-way bearing of second install in the second end cover hole, the round pin axle runs through reticulation roller drive gear first end cover with the second end cover, and with reticulation roller drive gear first end cover with sliding fit between the second end cover.
Technical scheme more than adopting, the utility model has the advantages of it is following:
the utility model discloses optimized reticulation roller drive gear's switching-over mode, the switching-over device includes corotation switching-over device, reversal switching-over device and round pin axle, and the motor stall can be dialled the round pin axle and realize quick positive reverse switching-over, can not produce the idle phenomenon of reticulation roller, need not to dismantle reticulation roller drive gear and just can realize the reverse color printing, neither can influence the machine precision, has also improved production efficiency greatly, has reduced intensity of labour moreover.
As the utility model discloses a further optimization, first end cover with the second end cover install respectively in reticulation roller drive gear both sides, first one-way bearing with the one-way bearing of second and reticulation roller shaft interference fit.
As the utility model discloses a further optimization, install two deep groove ball bearings in the reticulation roller drive gear, two deep groove ball bearing separates through the jump ring, deep groove ball bearing with reticulation roller interference fit.
By adopting the technical scheme, the used interference fit mode enables the first one-way bearing, the second one-way bearing, the deep groove ball bearing and the reticulate pattern roller shaft surface to generate elastic pressure after assembly, thereby obtaining the fastening connection.
As a further optimization of the utility model, the epaxial ball head elasticity pin that is provided with of round pin, ball head elasticity pin with the recess cooperation in the reticulation roller drive gear.
Technical scheme more than adopting, when reticulation roller operational drive, reticulation roller drive gear receives radial centrifugal force's influence, makes the round pin axle can not take place about the skew, and ball elasticity pin and the recess cooperation in the reticulation roller drive gear further guarantee that the position of round pin axle can not remove to promote the utility model discloses a reliability in operation.
As a further optimization of the utility model, anilox roller drive gear is located between anilox roller and the four directions block seat, just first end cover with be provided with certain clearance between the anilox roller, the second end cover with be provided with certain clearance between the four directions block seat.
Technical scheme more than adopting, the utility model discloses an anilox roller drive gear is located between anilox roller and the four directions block seat, because anilox roller drive gear need not to dismantle in anilox roller drive gear's switching-over, so set up anilox roller gear between anilox roller and four directions block seat, occupation space not, and be provided with certain clearance between first end cover and the anilox roller, be provided with certain clearance between second end cover and the four directions block seat, prevent to take place the friction and lead to the precision to descend.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1. the device comprises an anilox roller, 2, a pin shaft, 3, a first end cover, 4, an anilox roller transmission gear, 5, a ball head elastic pin, 6, a second end cover, 7, a first one-way bearing, 8, a deep groove ball bearing, 9, a second one-way bearing, 10 and a square block seat.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the present embodiment, as shown in fig. 1, the present invention provides a positive and negative color transmission device of a flexographic printing machine, comprising an anilox roller transmission gear 4 provided on an anilox roller 1, it is characterized in that a reversing device is arranged on the anilox roller transmission gear 4, the reversing device comprises a forward reversing device, a reverse reversing device and a pin shaft 2, the forward rotation reversing device consists of a first end cover 3 and a first one-way bearing 7, the first one-way bearing 7 is arranged in an inner hole of the first end cover 1, the reverse reversing device consists of a second end cover 6 and a second one-way bearing 9, the second one-way bearing 9 is arranged in an inner hole of the second end cover 6, the pin shaft 2 penetrates through the anilox roller transmission gear 4, the first end cover 3 and the second end cover 9, and is in sliding fit with the anilox roller drive gear 4, the first end cap 3 and the second end cap 9.
Through the setting, the utility model discloses optimized anilox roller drive gear 4's switching-over mode, the switching-over device includes corotation switching-over device, reversal switching-over device and round pin axle 2, and the motor stall can stir round pin axle 2 and realize quick positive reverse switching-over, can not produce the phenomenon of anilox roller 1 idle running, need not to dismantle anilox roller drive gear 4 and just can realize the reverse color printing, neither can influence the machine precision, has also improved production efficiency greatly, has reduced intensity of labour moreover.
In order to obtain a tight coupling, the first end cap 3 and the second end cap 6 are respectively mounted on two sides of the anilox roller transmission gear 4, and the first one-way bearing 7 and the second one-way bearing 7 are in interference fit with the anilox roller 1 shaft; two deep groove ball bearings 8 are installed in the anilox roller transmission gear 4, the two deep groove ball bearings 8 are separated through clamp springs, the deep groove ball bearings 8 are in interference fit with the anilox roller 1 shaft, and the used interference fit mode enables elastic pressure to be generated among the first one-way bearing 6, the second one-way bearing 9, the deep groove ball bearings 8 and the anilox roller 1 shaft surface after assembly, so that fastening connection is obtained.
A ball head elastic pin 5 is arranged on the pin shaft 2, and the ball head elastic pin 5 is matched with a groove in the anilox roller transmission gear 4; through above setting, when 1 work transmission of reticulation roller, reticulation roller drive gear 4 receives radial centrifugal force's influence, makes round pin axle 2 can not take place to control the skew, and ball elasticity pin 5 and the recess cooperation in the reticulation roller drive gear 4 further guarantee that the position of round pin axle 2 can not remove to promote the utility model discloses a reliability in operation.
The anilox roller transmission gear 4 is positioned between the anilox roller 1 and the square block seat 10, a certain gap is formed between the first end cover 3 and the anilox roller 1, and a certain gap is formed between the second end cover 6 and the square block seat 10; through the setting, the utility model discloses an anilox roller drive gear 4 is located between anilox roller 1 and the four directions block seat 10, because anilox roller drive gear 4 need not to dismantle in the switching-over of anilox roller drive gear 4, so set up anilox roller gear 4 between anilox roller and four directions block seat, occupation space not, and be provided with certain clearance between first end cover 3 and the anilox roller 1, be provided with certain clearance between second end cover 6 and the four directions block seat 10, prevent to take place the friction and lead to the precision to descend.
The working principle is as follows: when the positive color printing is needed, the motor is stopped, the pin shaft 2 is shifted to the positions of the first end cover 3 and the anilox roller transmission gear 4, the motor drives the anilox roller 1 to rotate, the anilox roller 1 drives the first one-way bearing 7 and the first end cover 3 to rotate, and the first end cover 3 drives the anilox roller transmission gear 4 to rotate through the pin shaft 2, so that the positive color printing of the printing machine is realized; when reverse color printing is needed, the motor is stopped, the pin shaft 2 is toggled to the positions of the second end cover 6 and the anilox roller transmission gear 4, the motor drives the anilox roller 1 to rotate, the anilox roller 1 drives the second one-way bearing 9 and the second end cover 6 to rotate, and the second end cover 6 drives the anilox roller transmission gear 4 to rotate through the pin shaft 2, so that reverse color printing of the printing machine is achieved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a flexographic printing machine just reverse color transmission, is including setting up reticulation roller drive gear (4) on reticulation roller (1), its characterized in that, be provided with the switching-over device on reticulation roller drive gear (4), the switching-over device includes corotation switching-over device, reversal reversing device and round pin axle (2), corotation switching-over device comprises first end cover (3) and first one-way bearing (7), first one-way bearing (7) install in first end cover (3) hole, reversal reversing device comprises second end cover (6) and second one-way bearing (9), second one-way bearing (9) install in second end cover (6) hole, round pin axle (2) run through reticulation roller drive gear (4), first end cover (3) and second end cover (6), and with reticulation roller drive gear (4), The first end cover (3) and the second end cover (6) are in sliding fit.
2. The flexographic printing press positive and negative color transmission device according to claim 1, wherein the first end cap (3) and the second end cap (6) are respectively installed on two sides of the anilox roller transmission gear (4), and the first one-way bearing (7) and the second one-way bearing (9) are in interference fit with the anilox roller (1) shaft.
3. The flexographic printing machine positive and negative color transmission device according to claim 1, characterized in that two deep groove ball bearings (8) are installed in the anilox roller transmission gear (4), the two deep groove ball bearings (8) are separated by a snap spring, and the deep groove ball bearings (8) are in interference fit with the anilox roller (1) shaft.
4. A flexographic printing machine positive and negative color transmission device according to claim 1, characterized in that a ball-end elastic pin (5) is provided on the pin (2), said ball-end elastic pin (5) being fitted with a groove in the anilox roller transmission gear (4).
5. The flexographic printing press positive and negative color transmission device according to claim 1, wherein the anilox roller transmission gear (4) is located between the anilox roller (1) and the square block seat (10), a certain gap is arranged between the first end cover (3) and the anilox roller (1), and a certain gap is arranged between the second end cover (6) and the square block seat (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920197363.7U CN209904247U (en) | 2019-02-14 | 2019-02-14 | Positive and negative color transmission device of flexographic printing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920197363.7U CN209904247U (en) | 2019-02-14 | 2019-02-14 | Positive and negative color transmission device of flexographic printing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209904247U true CN209904247U (en) | 2020-01-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920197363.7U Active CN209904247U (en) | 2019-02-14 | 2019-02-14 | Positive and negative color transmission device of flexographic printing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209904247U (en) |
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2019
- 2019-02-14 CN CN201920197363.7U patent/CN209904247U/en active Active
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