CN220148356U - Printing vacuum box tensioning device and printing slotting die-cutting machine - Google Patents
Printing vacuum box tensioning device and printing slotting die-cutting machine Download PDFInfo
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- CN220148356U CN220148356U CN202321375427.0U CN202321375427U CN220148356U CN 220148356 U CN220148356 U CN 220148356U CN 202321375427 U CN202321375427 U CN 202321375427U CN 220148356 U CN220148356 U CN 220148356U
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- 238000007639 printing Methods 0.000 title claims abstract description 122
- 230000001360 synchronised effect Effects 0.000 claims abstract description 85
- 230000005540 biological transmission Effects 0.000 claims abstract description 57
- 238000004378 air conditioning Methods 0.000 claims description 6
- 238000009736 wetting Methods 0.000 claims description 6
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
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Abstract
The utility model discloses a printing vacuum box tensioning device and a printing slotting die-cutting machine, wherein the printing vacuum box tensioning device comprises a box body, a driving assembly, a transmission assembly and a tensioning adjustment assembly, and the box body is provided with a transmission slot; the driving component is fixed on the outer wall of the box body; the transmission assembly comprises a lower printing roller, a plurality of driven shafts, a first synchronous belt and a second synchronous belt, and the lower printing roller and the driven shafts are both rotationally connected in the transmission groove; the driving assembly is in transmission connection with the lower printing roller, the first synchronous belt is sleeved at one ends of the lower printing roller and the driven shafts, and the second synchronous belt is sleeved at the other ends of the lower printing roller and the driven shafts; the tensioning adjusting assembly comprises a first adjusting mechanism and a second adjusting mechanism, and the first adjusting mechanism is rotationally connected to the box body and is in transmission connection with the first synchronous belt; the second adjusting mechanism is rotatably connected to the box body and is in transmission connection with the second synchronous belt. According to the technical scheme, the tensioning degree of the synchronous belt can be improved, so that the printing vacuum box tensioning device can normally operate.
Description
Technical Field
The utility model relates to the technical field of printing equipment, in particular to a printing vacuum box tensioning device and a printing slotting die-cutting machine.
Background
The printing slotting die-cutting machine is used for cutting corrugated boards, in the paper feeding process of the printing slotting die-cutting machine, the printing overprinting precision is required to be within +/-0.5 mm, and if a customer requires full-process vacuum adsorption paper feeding, the paper feeding speeds of a lower printing roller, a paper feeding ceramic wheel and an upper printing roller in a vacuum box of the printing slotting die-cutting machine are required to be highly synchronous.
The tooth-shaped synchronous belt has the characteristics of stable transmission, accurate transmission ratio, high linear speed, strong bearing capacity and the like, so that the vacuum box generally selects the circular arc tooth synchronous belt for meshing transmission. The phenomena of heating deformation, fatigue strength increase, looseness of a transmission chain and the like of the synchronous belt can be caused in the long-time high-speed operation of the printing equipment; therefore, the problems of running position, inaccurate overprinting precision and the like of the line printing can be solved; moreover, the synchronous belt is replaced at random, so that the production efficiency of the machine is seriously affected, and the printing quality of the corrugated board is reduced.
Disclosure of Invention
The utility model mainly aims to provide a printing vacuum box tensioning device and a printing slotting die-cutting machine, which aim to improve the tensioning degree of a synchronous belt so as to ensure the normal operation of the printing vacuum box tensioning device.
To achieve the above object, the present utility model provides a printing vacuum box tensioning device, including:
the box body is provided with a transmission groove;
the driving assembly is fixed on the outer wall of the box body;
the transmission assembly comprises a lower printing roller, a plurality of driven shafts, a first synchronous belt and a second synchronous belt, wherein the lower printing roller and the driven shafts are both rotationally connected in the transmission groove, and the lower printing roller and the driven shafts are arranged at intervals; the driving assembly is in transmission connection with the lower printing roller, the first synchronous belt is sleeved at one ends of the lower printing roller and the driven shafts, and the second synchronous belt is sleeved at the other ends of the lower printing roller and the driven shafts; each driven shaft is provided with a plurality of driving wheels; a kind of electronic device with high-pressure air-conditioning system
The tensioning adjusting assembly comprises a first adjusting mechanism and a second adjusting mechanism, and the first adjusting mechanism is rotatably connected to the outer wall of the box body and is in transmission connection with the first synchronous belt; the second adjusting mechanism is rotatably connected to the outer wall of the box body and is in transmission connection with the second synchronous belt.
In one embodiment, the first adjustment mechanism comprises:
the self-lubricating shaft sleeve is detachably connected to the outer wall of the box body and is positioned at one side of the first synchronous belt;
the eccentric shaft is arranged in the self-lubricating shaft sleeve and is eccentrically arranged with the self-lubricating shaft sleeve; a kind of electronic device with high-pressure air-conditioning system
The tensioning belt wheel is sleeved on the eccentric shaft, and the outer wall of the tensioning belt wheel is connected with the inner wall of the first synchronous belt in a meshed mode.
In one embodiment, the self-lubricating shaft sleeve comprises a shaft cylinder and a convex edge arranged at one end of the shaft cylinder, and the convex edge is arranged around the periphery of the shaft cylinder in a extending way; the convex edge is provided with a plurality of mounting holes, and the mounting holes are arranged at intervals;
the first adjusting mechanism further comprises a plurality of locking screws, and the locking screws sequentially penetrate through the mounting holes and the outer wall of the box body, so that the self-lubricating shaft sleeve is detachably connected to the outer wall of the box body.
In an embodiment, the first adjusting mechanism further comprises a first retainer ring, wherein the first retainer ring is sleeved at one end of the eccentric shaft away from the box body, and covers one side of the tensioning belt wheel away from the box body.
In an embodiment, the transmission assembly includes three driven shafts, the three driven shafts being a first driven shaft, a second driven shaft, and a third driven shaft, respectively; the first driven shaft and the second driven shaft are respectively positioned at the left side and the right side of the lower printing roller, and the third driven shaft is positioned at one side of the first driven shaft or the second driven shaft far away from the lower printing roller;
the first synchronous belt is sleeved on one end of the first driven shaft, one end of the second driven shaft and one end of the third driven shaft and the first adjusting mechanism, and the second synchronous belt is sleeved on the other end of the third driven shaft and the second adjusting mechanism.
In an embodiment, the transmission assembly further comprises a first idler shaft rotatably connected in the transmission groove, and the first idler shaft is positioned between the second driven shaft and the third driven shaft; the outer wall of the first synchronous belt is in transmission connection with the first idler shaft; the second synchronous belt is sleeved on the third driven shaft, the other end of the first idler shaft and the second adjusting mechanism; and the shaft body of the first idler shaft is provided with a plurality of driving wheels.
In an embodiment, the tensioning adjustment assembly further includes two tensioning wheels, the two tensioning wheels are rotatably connected to one side of the box body, where the first synchronous belt is arranged, and the two tensioning wheels are located at two sides of one end of the lower printing roller and below the first driven shaft and the second driven shaft; and the two tensioning wheels are in transmission connection with the outer wall of the first synchronous belt.
In one embodiment, the tensioner comprises:
the second idler shaft is rotationally connected to one side of the box body, provided with the first synchronous belt, and is positioned outside the transmission groove;
the gear is sleeved on the second idler shaft, and the outer wall of the first synchronous belt is in meshed connection with the outer wall of the gear; a kind of electronic device with high-pressure air-conditioning system
The second retaining ring is sleeved at one end, far away from the box body, of the second idler shaft, and covers one side, far away from the box body, of the gear.
In an embodiment, the idler pulley further comprises a first bearing disposed between the second idler shaft and the gear.
The utility model also provides a printing slotting die-cutting machine which comprises a printing device and the printing vacuum box tensioning device, wherein the printing device is connected with the printing vacuum box tensioning device and is positioned above the printing vacuum box tensioning device.
The printing vacuum box tensioning device comprises a box body, a driving assembly, a transmission assembly and a tensioning adjusting assembly, wherein the box body is provided with a transmission groove; the driving component is fixed on the outer wall of the box body; the transmission assembly comprises a lower printing roller, a plurality of driven shafts, a first synchronous belt and a second synchronous belt, wherein the lower printing roller and the driven shafts are both rotationally connected in the transmission groove, and the lower printing roller and the driven shafts are arranged at intervals; the driving assembly is in transmission connection with the lower printing roller, the first synchronous belt is sleeved at one ends of the lower printing roller and the driven shafts, and the second synchronous belt is sleeved at the other ends of the lower printing roller and the driven shafts; each driven shaft is provided with a plurality of driving wheels; the tensioning adjusting assembly comprises a first adjusting mechanism and a second adjusting mechanism, and the first adjusting mechanism is rotatably connected to the outer wall of the box body and is in transmission connection with the first synchronous belt; the second adjusting mechanism is rotationally connected to the outer wall of the box body and is in transmission connection with the second synchronous belt; therefore, the operator can adjust the tensioning degree of the first synchronous belt through the first adjusting mechanism, and the second adjusting mechanism adjusts the tensioning degree of the second synchronous belt, so that the first synchronous belt and the second synchronous belt can be kept in a tensioning state during use, and the transmission assembly in the printing vacuum box tensioning device can stably transmit corrugated boards for a long time.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a top view of a printing vacuum box tensioner of the present utility model;
FIG. 2 is a left side view of the printing vacuum box tensioner of the present utility model;
FIG. 3 is a right side view of the printing vacuum box tensioner of the present utility model;
FIG. 4 is a schematic view of a first adjustment mechanism of the printing vacuum box tensioning device of the present utility model;
fig. 5 is a schematic view of the structure of the tensioner of the printing vacuum box tensioner of the present utility model.
Reference numerals illustrate:
| reference numerals | Name of the name | Reference numerals | Name of the name |
| 10 | Box body | 39a | Second idler shaft |
| 20 | Driving assembly | 39b | Gear wheel |
| 30 | Transmission mechanismAssembly | 39c | Second retainer ring |
| 31 | Lower printing roller | 40 | Tensioning adjustment assembly |
| 32 | A first driven shaft | 41 | First adjusting mechanism |
| 33 | Second driven shaft | 42 | Second adjusting mechanism |
| 34 | Third driven shaft | 411 | Self-lubricating shaft sleeve |
| 35 | First synchronous belt | 412 | Eccentric shaft |
| 36 | Second synchronous belt | 413 | Tensioning belt wheel |
| 37 | Driving wheel | 414 | Locking screw |
| 38 | First idler shaft | 415 | First check ring |
| 39 | Tensioning wheel |
The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.
The utility model provides a printing vacuum box tensioning device.
In an embodiment of the present utility model, referring to fig. 1 to 5, the printing vacuum box tensioning device comprises a box 10, a driving assembly 20, a transmission assembly 30 and a tensioning adjustment assembly 40, wherein the box 10 is provided with a transmission groove; the driving assembly 20 is fixed on the outer wall of the box body 10; the transmission assembly 30 comprises a lower printing roller 31, a plurality of driven shafts, a first synchronous belt 35 and a second synchronous belt 36, wherein the lower printing roller 31 and the driven shafts are both rotationally connected in a transmission groove, and the lower printing roller 31 and the driven shafts are arranged at intervals; the driving assembly 20 is in transmission connection with the lower printing roller 31, a first synchronous belt 35 is sleeved at one end of the lower printing roller 31 and one end of a plurality of driven shafts, and a second synchronous belt 36 is sleeved at the other end of the lower printing roller 31 and the other end of the plurality of driven shafts; each driven shaft is provided with a plurality of driving wheels 37; the tensioning adjustment assembly 40 comprises a first adjustment mechanism 41 and a second adjustment mechanism 42, wherein the first adjustment mechanism 41 is rotatably connected to the outer wall of the box body 10 and is in transmission connection with the first synchronous belt 35; the second adjusting mechanism 42 is rotatably connected to the outer wall of the case 10 and is in driving connection with the second timing belt 36.
Specifically, the box body 10 comprises a small wallboard A, a small wallboard B, two sealing plates and a bottom plate which are sequentially connected, and the small wallboard A, the small wallboard B, the two sealing plates and the bottom plate are enclosed to form a transmission groove; the lower printing roller 31 and the two ends of the driven shafts are respectively connected to the small wall plate A and the small wall plate B in a rotating way, and the free rotation of the small wall plate A and the small wall plate B is realized through the arrangement of bearings. The driving assembly 20 drives the lower printing roller 31 to rotate, and the lower printing roller 31 drives the driven shafts to rotate through the first synchronous belt 35 and the second synchronous belt 36, so that the driving wheels 37 positioned on the lower printing roller 31 and the driven shafts rotate, and the aim of synchronously conveying corrugated boards is fulfilled.
After the printing vacuum box tensioning device is used for a period of time, the first synchronous belt 35 and the second synchronous belt 36 have a loosening problem, at this time, a worker can adjust the tensioning degree of the first synchronous belt 35 through the first adjusting mechanism 41, and the second adjusting mechanism 42 adjusts the tensioning degree of the second synchronous belt 36, so that the first synchronous belt 35 and the second synchronous belt 36 can be kept in a tensioned state during use, and the transmission assembly 30 in the printing vacuum box tensioning device can stably transmit corrugated boards for a long time.
Optionally, the driving assembly 20 includes a driving motor, a coupling and a lower printing roller gear, the coupling is fixed at an end of the lower printing roller 31 where the second synchronous belt 36 is disposed, the lower printing roller gear is sleeved at an end of the lower printing roller 31 where the second synchronous belt 36 is disposed, and is movably connected with the coupling, and the driving motor is in transmission connection with the lower printing roller gear through the disposed driving belt, so that the driving motor drives the lower printing roller gear and the lower printing roller 31 to rotate.
In an embodiment, referring to fig. 1 to 5, the first adjusting mechanism 41 includes a self-lubricating sleeve 411, an eccentric shaft 412 and a tensioning pulley 413, wherein the self-lubricating sleeve 411 is detachably connected to the outer wall of the case 10 and is located at one side of the first synchronization belt 35; the eccentric shaft 412 is installed in the self-lubricating shaft sleeve 411 and is eccentrically arranged with the self-lubricating shaft sleeve 411; the tensioning pulley 413 is sleeved on the eccentric shaft 412, and the outer wall of the tensioning pulley 413 is in meshed connection with the inner wall of the first synchronous belt 35.
Specifically, the self-wetting sleeve 411 may be detachably connected to the outer wall of the case 10 in various manners, and when the tensioning degree of the first synchronous belt 35 needs to be adjusted, only the connecting piece of the self-wetting sleeve 411 needs to be detached, so that the self-wetting sleeve 411 may rotate on the outer wall of the case 10, and the tensioning pulley 413 is in a loose state; then, the eccentric shaft 412 is clamped by a spanner, the eccentric shaft 412 is slowly rotated, and the adjusting tensioning belt wheel 413 is continuously rotated along with the eccentric shaft 412 to adjust the pretightening force; the tension of the first timing belt 35 is gradually increased from the tight to the tight, and the tension adjustment of the first timing belt 35 and the second timing belt 36 is completed after the tension is adjusted to the proper degree.
Alternatively, the self-wetting sleeve 411 includes a sleeve and a flange disposed at one end of the sleeve, the flange extending around the periphery of the sleeve; the convex edge is provided with a plurality of mounting holes which are arranged at intervals; the first adjusting mechanism 41 further includes a plurality of locking screws 414, and the locking screws 414 sequentially penetrate through the mounting hole and the outer wall of the case 10, so that the self-wetting sleeve 411 is detachably connected to the outer wall of the case 10. Thus, the use of the removable connection of the locking screw 414 with the mounting hole of the collar is more convenient for the user.
In an embodiment, referring to fig. 1 to 5, the first adjusting mechanism 41 further includes a first retainer 415, where the first retainer 415 is sleeved on an end of the eccentric shaft 412 away from the case 10, and covers a side of the tensioning pulley 413 away from the case 10. In this way, the position of the end of the eccentric shaft 412 away from the casing 10 in the casing 10 is defined by the first retainer 415, thereby allowing the tension pulley 413 to more stably adjust the tension degree of the first timing belt 35.
The second regulating mechanism 42 has the same structure as the first regulating mechanism 41.
In one embodiment, referring to fig. 1 to 5, the transmission assembly 30 includes three driven shafts, a first driven shaft 32, a second driven shaft 33, and a third driven shaft 34, respectively; the first driven shaft 32 and the second driven shaft 33 are respectively positioned at the left side and the right side of the lower printing roller 31, and the third driven shaft 34 is positioned at one side of the first driven shaft 32 or the second driven shaft 33 far away from the lower printing roller 31; the first synchronous belt 35 is sleeved on one end of the first driven shaft 32, the second driven shaft 33 and the third driven shaft 34 and the first adjusting mechanism 41, and the second synchronous belt 36 is sleeved on the other end of the third driven shaft 34 and the second adjusting mechanism 42.
Specifically, a first belt wheel is respectively arranged at two ends of the first driven shaft 32, the second driven shaft 33 and the third driven shaft 34, a second belt wheel is respectively arranged at two ends of the lower printing roller 31, and the diameter of the second belt wheel is larger than that of the first belt wheel; the first driven shaft 32, the second driven shaft 33 and the third driven shaft 34 rotate synchronously with the lower printing roller 31, so that the transmission area is further increased, and the transmission efficiency of the transmission assembly 30 is further improved.
In one embodiment, referring to fig. 1-5, the drive assembly 30 further includes a first idler shaft 38 rotatably coupled within the drive slot, the first idler shaft 38 being positioned between the second driven shaft 33 and the third driven shaft 34; the outer wall of the first synchronous belt 35 is in transmission connection with a first idler shaft 38; the second synchronous belt 36 is sleeved on the third driven shaft 34, the other end of the first idler shaft 38 and the second regulating mechanism 42; and the shaft body of the first idler shaft 38 is provided with a plurality of driving wheels 37.
Specifically, by arranging the first idler shaft 38 between the second driven shaft 33 and the third driven shaft 34, the second driven shaft 33, the first idler shaft 38 and the third driven shaft 34 are arranged side by side, two ends of the first idler shaft 38 are arranged in this way, the first idler shaft 38 can press down the first synchronous belt 35 between the second driven shaft 33 and the third driven shaft 34, on one hand, the contact area between the second driven shaft 33, the third driven shaft 34 and the first synchronous belt 35 is further increased, the transmission force between the lower printing roller 31 and the second driven shaft 33 and the third driven shaft 34 is enabled, and on the other hand, the tensioning degree of the first synchronous belt 35 is also increased.
In an embodiment, referring to fig. 1 to 5, the tensioning adjustment assembly 40 further includes two tensioning wheels 39, the two tensioning wheels 39 are rotatably connected to one side of the case 10 where the first synchronous belt 35 is disposed, and the two tensioning wheels 39 are located at two sides of one end of the lower printing roller 31 and below the first driven shaft 32 and the second driven shaft 33; both tensioning wheels 39 are in driving connection with the outer wall of the first synchronization belt 35.
Specifically, the two tensioning wheels 39 are respectively located below the pulleys of the first driven shaft 32 and the second driven shaft 33, and the two tensioning wheels 39 are both arranged close to the pulleys of the lower printing roller 31, that is, the two tensioning wheels 39 are located at the left side and the right side of the pulleys of the lower printing roller 31; the tensioning wheel 39 is used for supporting the first synchronous belt 35 to be in contact with the belt wheel of the lower printing roller 31, the contact area of the first synchronous belt 35 and the belt wheel of the lower printing roller 31 is further increased, and the wrap angle of the belt wheel of the lower printing roller 31 is increased, so that the lower printing roller 31 can better drive the first synchronous belt 35 to move.
Alternatively, referring to fig. 1 to 5, the tension pulley 39 includes a second idler shaft 39a, a gear 39b, and a second check ring 39c, and the second idler shaft 39a is rotatably connected to a side of the case 10 where the first timing belt 35 is disposed, and is located outside the transmission groove; the gear 39b is sleeved on the second idler shaft 39a, and the outer wall of the first synchronous belt 35 is in meshed connection with the outer wall of the gear 39 b; the second check ring 39c is sleeved on one end of the second idler shaft 39a away from the case 10, and covers one side of the gear 39b away from the case 10. The idler 39 also includes a first bearing disposed between the second idler shaft 39a and the gear 39 b.
The utility model also provides a printing slotting die-cutting machine, which comprises a printing device and the printing vacuum box tensioning device, wherein the printing device is connected with the printing vacuum box tensioning device and is positioned above the printing vacuum box tensioning device, and the specific structure of the printing vacuum box tensioning device refers to the embodiment.
The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.
Claims (10)
1. A printing vacuum box tensioner, the printing vacuum box tensioner comprising:
the box body is provided with a transmission groove;
the driving assembly is fixed on the outer wall of the box body;
the transmission assembly comprises a lower printing roller, a plurality of driven shafts, a first synchronous belt and a second synchronous belt, wherein the lower printing roller and the driven shafts are both rotationally connected in the transmission groove, and the lower printing roller and the driven shafts are arranged at intervals; the driving assembly is in transmission connection with the lower printing roller, the first synchronous belt is sleeved at one ends of the lower printing roller and the driven shafts, and the second synchronous belt is sleeved at the other ends of the lower printing roller and the driven shafts; each driven shaft is provided with a plurality of driving wheels; a kind of electronic device with high-pressure air-conditioning system
The tensioning adjusting assembly comprises a first adjusting mechanism and a second adjusting mechanism, and the first adjusting mechanism is rotatably connected to the outer wall of the box body and is in transmission connection with the first synchronous belt; the second adjusting mechanism is rotatably connected to the outer wall of the box body and is in transmission connection with the second synchronous belt.
2. The printing vacuum box tensioner of claim 1, wherein the first adjustment mechanism comprises:
the self-lubricating shaft sleeve is detachably connected to the outer wall of the box body and is positioned at one side of the first synchronous belt;
the eccentric shaft is arranged in the self-lubricating shaft sleeve and is eccentrically arranged with the self-lubricating shaft sleeve; a kind of electronic device with high-pressure air-conditioning system
The tensioning belt wheel is sleeved on the eccentric shaft, and the outer wall of the tensioning belt wheel is connected with the inner wall of the first synchronous belt in a meshed mode.
3. The printing vacuum box tensioner of claim 2, wherein the self-wetting sleeve comprises a sleeve and a collar disposed at one end of the sleeve, the collar extending around the periphery of the sleeve; the convex edge is provided with a plurality of mounting holes, and the mounting holes are arranged at intervals;
the first adjusting mechanism further comprises a plurality of locking screws, and the locking screws sequentially penetrate through the mounting holes and the outer wall of the box body, so that the self-lubricating shaft sleeve is detachably connected to the outer wall of the box body.
4. The printing vacuum box tensioner of claim 3, wherein the first adjustment mechanism further comprises a first stop ring that is sleeved on an end of the eccentric shaft that is remote from the box and that covers a side of the tensioner pulley that is remote from the box.
5. The printing vacuum box tensioner of claim 1, wherein the drive assembly comprises three of the driven shafts, the three driven shafts being a first driven shaft, a second driven shaft, and a third driven shaft, respectively; the first driven shaft and the second driven shaft are respectively positioned at the left side and the right side of the lower printing roller, and the third driven shaft is positioned at one side of the first driven shaft or the second driven shaft far away from the lower printing roller;
the first synchronous belt is sleeved on one end of the first driven shaft, one end of the second driven shaft and one end of the third driven shaft and the first adjusting mechanism, and the second synchronous belt is sleeved on the other end of the third driven shaft and the second adjusting mechanism.
6. The printing vacuum box tensioner of claim 5, wherein the drive assembly further comprises a first idler shaft rotatably coupled within the drive slot, the first idler shaft being positioned between the second driven shaft and the third driven shaft; the outer wall of the first synchronous belt is in transmission connection with the first idler shaft; the second synchronous belt is sleeved on the third driven shaft, the other end of the first idler shaft and the second adjusting mechanism; and the shaft body of the first idler shaft is provided with a plurality of driving wheels.
7. The printing vacuum box tensioner of claim 5, wherein the tensioning adjustment assembly further comprises two tensioning wheels rotatably connected to a side of the box body on which the first timing belt is disposed, and the two tensioning wheels are located on two sides of one end of the lower printing roller and below the first driven shaft and the second driven shaft; and the two tensioning wheels are in transmission connection with the outer wall of the first synchronous belt.
8. The printing vacuum box tensioner of claim 7, wherein the tensioner comprises:
the second idler shaft is rotationally connected to one side of the box body, provided with the first synchronous belt, and is positioned outside the transmission groove;
the gear is sleeved on the second idler shaft, and the outer wall of the first synchronous belt is in meshed connection with the outer wall of the gear; a kind of electronic device with high-pressure air-conditioning system
The second retaining ring is sleeved at one end, far away from the box body, of the second idler shaft, and covers one side, far away from the box body, of the gear.
9. The printing vacuum box tensioner of claim 8, wherein the tensioner further comprises a first bearing disposed between the second idler shaft and the gear.
10. A printing slot die cutter comprising a printing device and a printing vacuum box tensioner of any one of claims 1 to 9, the printing device being connected to and located above the printing vacuum box tensioner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321375427.0U CN220148356U (en) | 2023-05-31 | 2023-05-31 | Printing vacuum box tensioning device and printing slotting die-cutting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321375427.0U CN220148356U (en) | 2023-05-31 | 2023-05-31 | Printing vacuum box tensioning device and printing slotting die-cutting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220148356U true CN220148356U (en) | 2023-12-08 |
Family
ID=89018486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321375427.0U Active CN220148356U (en) | 2023-05-31 | 2023-05-31 | Printing vacuum box tensioning device and printing slotting die-cutting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220148356U (en) |
-
2023
- 2023-05-31 CN CN202321375427.0U patent/CN220148356U/en active Active
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