CN220429610U - Barrel sleeving device of barrel printing machine - Google Patents
Barrel sleeving device of barrel printing machine Download PDFInfo
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- CN220429610U CN220429610U CN202321313032.8U CN202321313032U CN220429610U CN 220429610 U CN220429610 U CN 220429610U CN 202321313032 U CN202321313032 U CN 202321313032U CN 220429610 U CN220429610 U CN 220429610U
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- roller
- guide shaft
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- 238000007639 printing Methods 0.000 title claims abstract description 24
- 230000007246 mechanism Effects 0.000 claims abstract description 22
- 230000006835 compression Effects 0.000 claims description 13
- 238000007906 compression Methods 0.000 claims description 13
- 238000005096 rolling process Methods 0.000 claims description 8
- 230000000712 assembly Effects 0.000 abstract description 2
- 238000000429 assembly Methods 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000010023 transfer printing Methods 0.000 description 2
- 238000003854 Surface Print Methods 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Abstract
The utility model relates to a barrel sleeving device of a barrel printing machine, which comprises a frame, a rotating seat, a rotary driving mechanism for driving the rotating seat to rotate and a plurality of barrel mold assemblies, wherein the rotary driving mechanism is arranged on the frame, the rotating axis of the rotating seat is in a front-back trend, and each barrel mold assembly is arranged on the rotating seat and sequentially arranged along the circumferential direction of the rotating seat, and the barrel sleeving device is characterized in that: the barrel module assembly comprises a roller, a guide shaft, a guide sleeve, a limiting block, an elastic mechanism and a tensioning assembly; the roller is rotatably arranged on the rotary seat, the guide shaft is arranged on the rotary seat and runs forwards and backwards, the limiting block is arranged on the front end of the guide shaft, and the guide sleeve is sleeved on the middle section of the guide shaft and can slide forwards and backwards along the guide shaft; the elastic mechanism is arranged between the guide sleeve and the rotating seat; the tensioning assembly is arranged on the guide sleeve and matched with the roller. The barrel sleeving device can be suitable for positioning barrels with different specifications and diameters, and has a wide application range.
Description
Technical Field
The utility model relates to printing equipment, in particular to a barrel sleeving device of a barrel printing machine.
Background
The barrel printing machine is one of curved surface printing machines, and mainly prints patterns on different barrel surfaces. When in printing, characters and images to be printed are required to be made into printing plates, ink is coated on the printing plates, the printing plates are printed on the transfer printing wheels, and then the transfer printing wheels are printed on the surfaces of the barrels.
The utility model patent of China with the application number of CN201520508219.2 discloses a curved surface barrel printing machine adjusting rod bearing device, which comprises a fixed disc, a mould shaft, an adjusting rod and a barrel, wherein the mould shaft and the adjusting rod are arranged on the fixed disc, and the barrel covers the mould shaft and the adjusting rod in the barrel, and is characterized in that: the adjusting rod is provided with a bearing seat, the bearing seat comprises a bearing and a sliding sleeve, the bearing is connected with the adjusting rod, and the bearing and the adjusting rod are in transition fit. The barrel covers the die shaft, the adjusting rod and the bearing seat in the barrel and is tangent to the outer surface of the bearing seat, so that the barrel body is positioned, and the barrel body is prevented from falling down in the printing process. However, since the distance between the die shaft and the adjusting rod is fixed, positioning of barrels with different specifications and diameters cannot be achieved, and certain limitation exists in the application range.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a barrel sleeving device of a barrel printing machine, which can be suitable for positioning barrels with different specifications and diameters and has wide application range. The technical scheme adopted is as follows:
the utility model provides a barrel sheathing device of seal barrel machine, includes frame, roating seat, is used for driving roating seat pivoted rotary driving mechanism, a plurality of barrel mould subassemblies, and rotary driving mechanism installs in the frame, and the axis of rotation of roating seat is the front and back trend, and each barrel mould subassembly all installs on the roating seat and sets gradually its characterized in that along the circumference of roating seat: the barrel module assembly comprises a roller, a guide shaft, a guide sleeve, a limiting block, an elastic mechanism and a tensioning assembly; the roller is rotatably arranged on the rotary seat, the guide shaft is arranged on the rotary seat and runs forwards and backwards, the limiting block is arranged on the front end of the guide shaft, and the guide sleeve is sleeved on the middle section of the guide shaft and can slide forwards and backwards along the guide shaft; the elastic mechanism is arranged between the guide sleeve and the rotating seat; the tensioning assembly is arranged on the guide sleeve and matched with the roller.
In the preferred scheme, the elastic mechanism is a compression spring, the compression spring is sleeved on the guide shaft and is positioned between the guide sleeve and the rotating seat, and the front end and the rear end of the compression spring are respectively connected with or closely contacted with the guide sleeve and the rotating seat.
In the preferred scheme, tensioning assembly includes tensioning seat, at least one back shaft and at least one tensioning wheelset, and the tensioning seat is installed on the uide bushing, the back shaft install on the tensioning seat and with the roller is parallel, and tensioning wheelset is the same and the one-to-one with the quantity of back shaft, and the tensioning wheelset includes at least one take-up pulley, and the take-up pulley is installed on corresponding back shaft and is in the place ahead of roller.
Generally, the rotation axis of the roller is perpendicular to the rotation axis of the rotating base.
When the barrel to be printed is required to be sleeved on the barrel mould assembly for positioning, the guide sleeve can slide backwards along the guide shaft to drive the tensioning seat, the support shaft and the tensioning wheel set to translate towards the roller (at the moment, the compression spring is in a compressed state under the action of the guide sleeve); then, make the bucket that treats the printing cover tensioning assembly in its inside, the uide bushing is in the translation of roller dorsad under compression spring's effect, drive the back shaft and keep away from the roller through the tensioning seat and the tensioning wheelset on it, with the outside tensioning of roller cooperation in the inboard of bucket, and roller, take-up pulley and bucket internal surface are in the roll fit state, realize the location to the bucket from this, and make the bucket can free rotation, so that the printer can carry out better printing work to the bucket, thereby guaranteed the quality of printing. The sleeve barrel device can change the distance between the tensioning wheel set and the roller through adjusting the position of the tensioning seat, and change the diameter or the size of the polygon formed by the tensioning wheel set and the roller through adjusting the position of the tensioning seat according to the principle that any diameter or polygon has a circumcircle, so that the sleeve barrel device is applicable to positioning of barrels with different specifications and diameters and has wide application range.
As a preferable scheme of the utility model, the number of the supporting shafts of the barrel mold assembly is two, and the two supporting shafts are respectively positioned on two symmetrical sides of the roller. The two support shafts are respectively positioned on two symmetrical sides of the roller, namely, the connecting lines of the two support shafts and the position of the roller can form an isosceles triangle, and the size of the triangle formed by the support shafts and the roller is changed by adjusting the position of the support shafts according to the triangle balance principle and the principle that any triangle is provided with an external circle, so that the positioning device can be suitable for positioning barrels with different specifications and diameters.
As a preferred embodiment of the present utility model, the tensioning wheel set includes at least two tensioning wheels sequentially arranged from top to bottom.
As a further preferable mode of the utility model, in one tensioning wheel set, two tensioning wheels are adjacent to each other up and down, and the outer diameter of the tensioning wheel at the upper side is larger than that of the tensioning wheel at the lower side. Therefore, the barrel shape with inconsistent upper and lower widths can be adapted.
As a preferable scheme of the utility model, the guide sleeve is a copper sleeve.
As the preferable scheme of the utility model, the barrel mold assembly further comprises at least one connecting arm and at least one limiting pinch roller, wherein the inner end part of the connecting arm is fixedly arranged on the corresponding supporting shaft, the limiting pinch roller is rotatably arranged on the outer end part of the connecting arm, and the limiting pinch roller is positioned above the corresponding tensioning wheel set. When the barrel to be printed is sleeved outside the tensioning assembly of the barrel die assembly, the limiting pressing wheel is in rolling fit with the surface of the edge of the barrel opening of the barrel, so that the edge of the barrel opening of the barrel is positioned on the same horizontal plane, and therefore the barrel to be printed plays a positive role in the position of the barrel to be printed, and the barrel printer can perform better printing work on the barrel.
As a further preferable scheme of the utility model, the limit pinch roller adopts a bearing.
As a preferable scheme of the utility model, the rotating seat is provided with a guide hole which runs forwards and backwards, and the middle section of the guide shaft is positioned in the guide hole; the rear end of the guide shaft is provided with a roller; the rotary seat is provided with an annular track in rolling fit with each roller, and the annular track is provided with an arched section arched forwards. When the rotary seat is driven by the rotary driving mechanism to rotate, each roller is positioned in the annular track and is in rolling fit with the annular track, so that the position of the guide shaft in the guide hole is controlled; when the roller wheels walk to the arched section of the annular track, the guide shaft moves backwards along the guide hole under the drive of the roller wheels, the guide sleeve is pushed to slide backwards along the guide shaft by the limiting block, and the tensioning seat, the support shaft and the tensioning wheel set are driven to move towards the roller in a translation mode, so that the distance between the tensioning wheel set and the roller is reduced, and barrel taking-off (i.e. taking-down of a barrel from the upper surface of the barrel die assembly) and barrel feeding (i.e. taking-in of a barrel to be printed on the upper surface of the barrel die assembly) are facilitated.
As a specific scheme of the utility model, the rotary driving mechanism comprises a rotating shaft, a rotating motor and a speed reduction transmission mechanism, wherein the rotating shaft is rotatably arranged on the frame and runs forwards and backwards; the rotating seat is fixedly arranged on the rotating shaft; the rotating motor is arranged on the frame, and an output shaft of the rotating motor is in transmission connection with the rotating shaft through a reduction transmission mechanism. When the rotary machine works, the rotary motor drives the rotary shaft to rotate through the reduction transmission mechanism, and the rotary seat and each barrel module on the rotary seat are driven to rotate together.
Compared with the prior art, the utility model has the following advantages:
the sleeve barrel device can change the distance between the tensioning wheel set and the roller through adjusting the position of the tensioning seat, and change the diameter or the size of the polygon formed by the tensioning wheel set and the roller through adjusting the position of the tensioning seat according to the principle that any diameter or polygon has a circumcircle, so that the sleeve barrel device is applicable to positioning of barrels with different specifications and diameters and has wide application range.
Drawings
Fig. 1 is a schematic structural view of a preferred embodiment of the present utility model.
Fig. 2 is a left side view of fig. 1.
Fig. 3 is a schematic view of the tensioning assembly of the barrel mold assembly mated with the barrel in a preferred embodiment of the present utility model.
Detailed Description
As shown in fig. 1-3, the barrel sleeving device of the barrel printing machine comprises a frame 1, a rotary seat 2, a rotary driving mechanism (not shown in the figure) for driving the rotary seat 2 to rotate and a plurality of barrel module assemblies 4, wherein the rotary driving mechanism is arranged on the frame 1, the rotation axis of the rotary seat 2 is in a front-back trend, and each barrel module assembly 4 is arranged on the rotary seat 2 and is sequentially arranged along the circumferential direction of the rotary seat 2; the barrel module 4 comprises a roller 41, a guide shaft 42, a guide sleeve 43, a limiting block 44, a compression spring 45 and a tensioning assembly 46; the roller 41 is rotatably arranged on the rotary seat 2, and the rotation axis of the roller 41 is vertical to the rotation axis of the rotary seat 2; the guide shaft 42 is arranged on the rotary seat 2 and runs forwards and backwards, the limiting block 44 is arranged at the front end of the guide shaft 42, and the guide sleeve 43 is sleeved on the middle section of the guide shaft 42 and can slide forwards and backwards along the guide shaft 42; the compression spring 45 is sleeved on the guide shaft 42 and is arranged between the guide sleeve 43 and the rotating seat 2, and the front end and the rear end of the compression spring 45 are respectively in close contact with the guide sleeve 43 and the rotating seat 2; the tensioning assembly 46 comprises a tensioning seat 461, two supporting shafts 462 and two tensioning wheel sets 463, the tensioning seat 461 is arranged on the guide sleeve 43, the two supporting shafts 462 are arranged on the tensioning seat 461 and are parallel to the roller 41, and the two supporting shafts 462 are respectively arranged on two symmetrical sides of the roller 41; the two tensioning wheel sets 463 are in one-to-one correspondence with the two supporting shafts 462, the tensioning wheel sets 463 comprise at least two tensioning wheels 4631 which are sequentially arranged from top to bottom, the tensioning wheels 4631 are arranged on the corresponding supporting shafts 462, and the tensioning wheels 4631 are located in front of the rollers 41 and are matched with the rollers 41.
In this embodiment, in the same tension pulley group 463, two adjacent tension pulleys 463 are arranged up and down, and the outer diameter of the tension pulley 463 at the upper side is larger than the outer diameter of the tension pulley 463 at the lower side. Thereby being capable of adapting to the shape of the barrel 50 with inconsistent upper and lower widths.
In this embodiment, the guide sleeve 43 is a copper sleeve.
In the embodiment, the rotary seat 2 is provided with a guide hole 21 running back and forth, and the middle section of the guide shaft 42 is positioned in the guide hole 21; the rear end of the guide shaft 42 is provided with a roller 47; the rotary base 2 is provided with an annular rail (not shown) in rolling engagement with the rollers 47, the annular rail having forwardly arched segments 221.
In this embodiment, the barrel module 4 further includes two connecting arms 48 and two limiting pinch rollers 49, wherein inner ends of the two connecting arms 48 are fixedly mounted on corresponding supporting shafts 462, the two limiting pinch rollers 49 are in one-to-one correspondence with the two connecting arms 48, and the limiting pinch rollers 49 are rotatably mounted at outer ends of the connecting arms 48 and above corresponding tensioning wheel sets 463. The limit pinch roller 49 adopts a bearing, and the outer ring of the bearing is in rolling fit with the edge surface of the barrel mouth of the barrel 50.
The working principle of the barrel sleeving device of the barrel printing machine is briefly described below:
when in operation, the rotating motor 32 drives the rotating shaft 31 to rotate through the reduction transmission mechanism 33, and drives the rotating seat 2 and each barrel module 4 on the rotating seat to rotate together; the rollers 47 of each barrel mold assembly 4 roll along the circular track during this process, thereby controlling the position of the guide shaft 42 in the guide hole 21; when the roller 47 of the barrel mold assembly 4 walks to the arched section 221 of the annular track, the corresponding guide shaft 42 moves backwards along the guide hole 21 under the drive of the roller 47, the guide sleeve 43 is pushed by the limiting block 44 to slide backwards along the guide shaft 42, the tensioning assembly 46 is driven to move downwards towards the roller 41 (the compression spring 45 is in a compressed state under the action of the guide sleeve 43 at the moment), the distance between the tensioning wheel set 463 and the roller 41 is reduced, and the barrel taking-off work (namely, the barrel 50 is taken off from the barrel mold assembly 4) and the barrel feeding work (namely, the barrel 50 to be printed is taken on the barrel mold assembly 4) are facilitated; when the barrel feeding work is performed, the barrel 50 to be printed is sleeved outside the roller 41, the supporting shaft 462 and the tensioning wheel set 463 of the barrel module 4; when the roller 47 leaves the arched section 221 of the annular track, the guide sleeve 43 translates away from the roller 41 under the action of the compression spring 45, the supporting shaft 462 and the tensioning wheel set 463 on the supporting shaft are driven by the tensioning seat 461 to be far away from the roller 41, and are matched with the roller 41 to be tensioned outwards at the inner side of the barrel 50 until the roller 41, the tensioning wheel 4631 and the inner surface of the barrel 50 are in rolling fit state, and the limiting pressing wheel 49 is in rolling fit with the barrel edge surface of the barrel 50, so that the barrel edge part of the barrel 50 is positioned on the same horizontal plane, the barrel 50 to be printed plays a role in pipe positive action, positioning of the barrel 50 is realized, the barrel 50 can be freely rotated, so that the barrel 50 can be printed better, and the printing quality is ensured.
In addition, it should be noted that, in the specific embodiments described in the present specification, names of various parts and the like may be different, and all equivalent or simple changes of the structures, features and principles described in the conception of the present utility model are included in the protection scope of the present utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions in a similar manner without departing from the scope of the utility model as defined in the accompanying claims.
Claims (9)
1. The utility model provides a barrel sheathing device of seal barrel machine, includes frame, roating seat, is used for driving roating seat pivoted rotary driving mechanism, a plurality of barrel mould subassemblies, and rotary driving mechanism installs in the frame, and the axis of rotation of roating seat is the front and back trend, and each barrel mould subassembly all installs on the roating seat and sets gradually its characterized in that along the circumference of roating seat: the barrel module assembly comprises a roller, a guide shaft, a guide sleeve, a limiting block, an elastic mechanism and a tensioning assembly; the roller is rotatably arranged on the rotary seat, the guide shaft is arranged on the rotary seat and runs forwards and backwards, the limiting block is arranged on the front end of the guide shaft, and the guide sleeve is sleeved on the middle section of the guide shaft and can slide forwards and backwards along the guide shaft; the elastic mechanism is arranged between the guide sleeve and the rotating seat; the tensioning assembly is arranged on the guide sleeve and matched with the roller.
2. A barrel fitting apparatus of a barrel printing machine as claimed in claim 1, wherein: the elastic mechanism is a compression spring, the compression spring is sleeved on the guide shaft and is positioned between the guide sleeve and the rotating seat, and the front end and the rear end of the compression spring are respectively connected with the guide sleeve and the rotating seat or are in close contact with each other.
3. A barrel fitting apparatus of a barrel printing machine as claimed in claim 1, wherein: the tensioning assembly comprises a tensioning seat, at least one supporting shaft and at least one tensioning wheel set, the tensioning seat is arranged on the guide sleeve, the supporting shaft is arranged on the tensioning seat and parallel to the roller, the tensioning wheel sets are identical in number with the supporting shafts and correspond to the supporting shafts one by one, the tensioning wheel sets comprise at least one tensioning wheel, and the tensioning wheels are arranged on the corresponding supporting shafts and are arranged in front of the roller.
4. A barrel assembly for a barrel printer according to claim 3, wherein: the number of the supporting shafts of the barrel mold assembly is two, and the two supporting shafts are respectively positioned on two symmetrical sides of the roller.
5. A barrel assembly for a barrel printer according to claim 3, wherein: the tensioning wheel group comprises at least two tensioning wheels which are sequentially arranged from top to bottom.
6. The barrel fitting device of a barrel printer according to claim 5, wherein: in one tensioning wheel set, two upper and lower adjacent tensioning wheels, and the outer diameter of the tensioning wheel at the upper side is larger than that of the tensioning wheel at the lower side.
7. A barrel fitting device of a barrel printing machine according to any one of claims 3 to 6, wherein: the barrel mold assembly further comprises at least one connecting arm and at least one limiting pressing wheel, the inner end part of the connecting arm is fixedly arranged on the corresponding supporting shaft, the limiting pressing wheel is rotatably arranged on the outer end part of the connecting arm, and the limiting pressing wheel is located above the corresponding tensioning wheel set.
8. The barrel assembly of claim 7, wherein: the limiting pinch roller adopts a bearing.
9. A barrel fitting device of a barrel printing machine according to any one of claims 1 to 6, wherein: the rotary seat is provided with a guide hole which runs forwards and backwards, and the middle section of the guide shaft is positioned in the guide hole; the rear end of the guide shaft is provided with a roller; the rotary seat is provided with an annular track in rolling fit with each roller, and the annular track is provided with an arched section arched forwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321313032.8U CN220429610U (en) | 2023-05-29 | 2023-05-29 | Barrel sleeving device of barrel printing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321313032.8U CN220429610U (en) | 2023-05-29 | 2023-05-29 | Barrel sleeving device of barrel printing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220429610U true CN220429610U (en) | 2024-02-02 |
Family
ID=89691263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321313032.8U Active CN220429610U (en) | 2023-05-29 | 2023-05-29 | Barrel sleeving device of barrel printing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220429610U (en) |
-
2023
- 2023-05-29 CN CN202321313032.8U patent/CN220429610U/en active Active
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