CN211390551U - Printing device - Google Patents
Printing device Download PDFInfo
- Publication number
- CN211390551U CN211390551U CN201921823924.6U CN201921823924U CN211390551U CN 211390551 U CN211390551 U CN 211390551U CN 201921823924 U CN201921823924 U CN 201921823924U CN 211390551 U CN211390551 U CN 211390551U
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- Prior art keywords
- printing
- roller
- transfer
- gear
- printing roller
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Abstract
The utility model discloses a printing device, including printing roller, transfer roller, be used for driving printing roller and transfer roller pivoted drive mechanism and be used for adjusting the adjustment mechanism of printing roller and transfer roller interval, adjustment mechanism includes the swing arm and drives swing arm pivoted power unit. An object of the utility model is to provide a printing device drives through the swing arm and rotates printing roller, is convenient for adjust the interval between printing roller and the transfer roller.
Description
Technical Field
The utility model relates to a printing field specifically is a printing device.
Background
The prior art printing machines generally include an ink transfer roller for transferring ink from an ink reservoir to a plate roller, a plate roller for transferring the characters to a transfer roller, and a transfer roller for printing the characters on the object to be printed. In the prior art, the distance between the letterpress roller and the transfer roller cannot be changed.
In order to facilitate the adjustment of the distance between the printing roller and the transfer roller, an ampoule bottle printing mechanism is disclosed in the patent application with the application number of CN201910088825.6, and comprises a printing support, wherein an ink transfer roller, a printing roller and a printing roller are sequentially arranged in the printing support from left to right, one end of the ink transfer roller is meshed with a gear, the printing support comprises two printing support plates which are arranged oppositely, the two printing support plates are connected with a connecting plate A through a connecting rod, a printing plate structure for mounting the printing roller is arranged in the printing support, the printing plate structure comprises an ink transfer structure for mounting the ink transfer roller, two ends of a central shaft of the printing roller are hinged on the two printing support plates, a bearing structure positioned below the printing plate structure is arranged between the two printing support plates, and the distance between the printing roller, the printing plate roller and the ink transfer roller can be adjusted by adjusting the printing plate structure and the ink transfer structure, and the ink transfer structure is arranged on the lettering structure, and the distance between the ink transfer roller and the lettering roller is kept unchanged when the distance between the lettering roller and the lettering roller is adjusted. The adjustment mechanism of this patent application is relatively complex and inconvenient to maintain.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a printing device drives through the swing arm and rotates printing roller, is convenient for adjust the interval between printing roller and the transfer roller.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a printing device comprises a printing roller, a transfer roller, a transmission mechanism for driving the printing roller and the transfer roller to rotate and an adjusting mechanism for adjusting the distance between the printing roller and the transfer roller, wherein the adjusting mechanism comprises a swing arm and a power mechanism for driving the swing arm to rotate.
The transmission mechanism comprises a transfer gear, a power gear, a borrowing wheel and a printing roller gear, wherein the transfer gear and the borrowing wheel are meshed with the power gear, the printing roller gear is meshed with the borrowing wheel, the printing roller gear drives the printing roller to rotate, and the transfer gear drives the transfer roller to rotate. The power gear is meshed with the transfer gear and the two transfer gears, so that the use of the gears is reduced, the maintenance is convenient, the structure of the transmission mechanism is relatively simple, and the mechanical transmission stability is reliable through gear transmission.
The printing roller is in including printing roll body and setting printing plate on the printing roll body is global, the printing roll body is including printing roller and drive printing roller pivoted printing roller axle, the printing roller gear is coaxial to be fixed on the printing roller axle. The printing roller gear drives the printing roller shaft to rotate, and the transmission is stable.
In order to adjust the distance between the printing roller and the transfer roller, the swing arm is U-shaped, and the printing roller is rotatably connected to an opening of the swing arm. The design reduces the influence of the swing arm on the printing roller and the transfer roller.
The swing arm includes two radial supports and connects the axial brace that two radial supports are inner, the both ends of printing roller axle rotate with two radial support outer ends respectively and are connected. The axial support plays a supporting role for the printing roller shaft, and the work between the printing roller and the transfer roller cannot be influenced.
The transfer roller includes the rendition roll body and drives rendition roll body pivoted rendition roller, the printing roller gear is coaxial to be fixed on the rendition roller. The transfer printing roller shaft drives the printing roller gear to rotate, and the transmission is stable.
The power gear is coaxially fixed on the power shaft, and the power shaft is supported by the power bearing seat, so that the stable transmission of the power shaft is ensured; the transfer printing roller shaft is supported by the transfer printing roller bearing seat, so that the transmission stability of the transfer printing roller shaft is ensured.
The printing plate is the ink-absorbable printing plate, be equipped with in the printing roll body and store up the china ink structure, it is in to store up the china ink structure through setting up the hole of bleeding on the printing roll body periphery does the printing plate supplies the china ink, it is by to go out the hole of bleeding the printing plate covers. The ink storage structure is arranged in the printing roller body and is relatively isolated from the external environment, and ink is located inside the printing roller body and is not easy to volatilize, so that the pollution to the environment is reduced.
The printing roller body is provided with an ink adding hole communicated with the ink storage structure, the ink adding hole is convenient for adding ink for the ink storage structure, and the ink adding hole is sealed through a plug wire.
In order to ensure the printing quality, the transfer roller is a transfer rubber roller, the power mechanism is composed of a power motor and a speed reducing motor assembly, and a motor shaft of the speed reducing motor is connected with the inner end of the swing arm.
The utility model drives the rotary printing roller to rotate through the swing arm, which is convenient for adjusting the distance between the printing roller and the transfer roller; the transmission mechanism of the utility model has reliable mechanical stability, relatively simple structure and convenient maintenance; the ink storage structure is arranged inside the printing roller, so that an ink tank which is arranged outside independently and an ink transfer roller in the prior art are omitted, the cost is low, and the occupied space is small; and the printing ink is positioned in the printing roller, so that the printing ink is not easy to volatilize, and the pollution to the environment is reduced.
Drawings
Fig. 1 is a perspective view of the present invention;
fig. 2 is a top view of the present invention;
FIG. 3 is a top view of the swing arm of FIG. 2;
fig. 4 is a perspective view of a printing roller according to the present invention;
fig. 5 is an exploded view of a printing roll according to the present invention;
fig. 6 is a front view of a printing roller according to the present invention;
fig. 7 is a sectional view taken along a-a in fig. 6.
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description. It should be understood that the structures, ratios, sizes, etc. shown in the drawings of the present application are only used for matching with the contents disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any modification of the structures, change of the ratio relationship or adjustment of the sizes should still fall within the scope of the present invention without affecting the functions and the achievable purposes of the present invention. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
As shown in fig. 1 to 7, a printing apparatus includes a printing roller 33, a transfer roller 19, a transmission mechanism for driving the printing roller 33 and the transfer roller 19 to rotate, and an adjustment mechanism for adjusting a distance between the printing roller 33 and the transfer roller 19, wherein the adjustment mechanism includes a swing arm 20 and an actuating mechanism 32 for driving the swing arm 20 to rotate.
The transmission mechanism comprises a transfer gear 21, a power gear 22, a borrowing wheel 23 and a printing roller gear 24, wherein the transfer gear 21 and the borrowing wheel 23 are meshed with the power gear 22, the printing roller gear 24 is meshed with the borrowing wheel 23, the printing roller gear 24 drives the printing roller 33 to rotate, and the transfer gear 21 drives the transfer roller 19 to rotate.
The swing arm 20 is U-shaped, and the printing roller 33 is rotatably connected to an opening of the swing arm 20.
The swing arm 20 comprises two radial supports 26 and an axial support 27 connecting the inner ends of the two radial supports 26, and two ends of the printing roller shaft 7 are respectively rotatably connected with the outer ends of the two radial supports 26. The radial direction of the radial support 26 is the same as the radial direction of the printing roller 33, and the axial direction of the axial support 27 is the same as the axial direction of the printing roller 33.
The transfer roller 19 includes a transfer roller 28 and a transfer roller shaft 25 for driving the transfer roller 28 to rotate, and the printing roller gear 24 is coaxially fixed on the transfer roller shaft 25.
The power gear 22 is coaxially fixed on a power shaft 29, and the power shaft 29 is supported by a power bearing block 30; the transfer roller shaft 25 is supported by a transfer roller bearing housing 31.
The printing plate 1 is an ink-absorbable printing plate 1, an ink storage structure is arranged in the printing roller body, the ink storage structure is arranged through ink outlet holes 18 in the outer peripheral surface of the printing roller body, the ink outlet holes 18 are used for supplying ink for the printing plate 1, and the printing plate 1 covers the ink outlet holes 18.
The printing roller body is provided with an ink adding hole 15 communicated with the ink storage structure, and the ink adding hole 15 is sealed through a blocking wire 17.
The transfer roller 19 is a transfer rubber roller, the power mechanism 32 is composed of a power motor and a speed reduction motor assembly, a motor shaft of the speed reduction motor is connected with the inner end of the swing arm 20, the inner end of the swing arm 20 is an axial support 27, namely, the motor shaft of the speed reduction motor drives the swing arm 20 to rotate through the axial support 27. The power motor is a fine-tuning stepping motor or a servo motor, and the speed reducing motor is a turbine speed reducing motor.
The printing plate 1 is pressed and attached to the outer peripheral surface of the printing roller body through the tabletting structure 2, the tabletting structure 2 is provided with printing plate holes 3 which are matched with the printing plate 1 in shape, and the main body of the printing plate 1 extends out of the printing plate holes 3.
The periphery of the inner side of the printing plate 1 is provided with a convex edge 4, the convex edge 4 is positioned on the inner side of the tabletting structure 2 and is pressed and attached to the outer peripheral surface of the printing roller body by the tabletting structure 2, and the outer side surface of the printing plate 1 is positioned on the outer side of the tabletting structure 2.
Printing roll body still includes roller core 6, roller core 6 is located print roller 5 is interior and drive print roller 5 rotates, printing roller 7 runs through roller core 6 and drive roller core 6 rotates.
The front fixing block 8 is arranged on the front side surface of the roller core 6 and is arranged along the radial direction of the roller core 6, and the front fixing lug 9 is arranged at the front end of the tabletting structure and is positioned on the front side of the roller core 6; the rear fixing block is arranged on the rear side face of the roller core 6 and along the roller core 6 in the radial direction, the rear fixing lugs are arranged at the rear end of the tabletting structure and located on the rear side of the roller core 6, and the front fixing lugs 9 and the rear fixing lugs are arranged along the roller 5 in the radial direction.
And a first open slot 10 matched with the front fixing block 8 is arranged on the front fixing lug 9, and a second open slot matched with the rear fixing block is arranged on the rear fixing lug. The front fixing lugs 9 are fixed through a front fastening component, and the rear fixing lugs are fixed through a rear fastening component. The front fastening assembly comprises a front supporting platform 11, a jackscrew 12 and a front buckle 13, the front buckle 13 is L-shaped and comprises a transverse part and a vertical part, the front buckles 13 are used in pairs and are oppositely arranged, the front supporting platform 11 is fixed at the inner end of the front fixing lug 9 and is arranged between the two front buckles 13 used in pairs along the axial direction of the printing roller body, the vertical part of the front buckle 13 is fixed on the front end surface of the roller core 6 through a screw along the axial direction of the printing roller body, and the transverse part of the front buckle 13 is tightly pressed on the front side surface of the front fixing lug 9; the jackscrew 12 of the front fastening assembly vertically penetrates through the transverse part of the front buckle 13, and the inner end of the jackscrew 12 is pressed against the front support platform 11. The rear end of the front supporting platform 11 is provided with a third opening groove matched with the front fixing block 8, the third opening groove is communicated with the first opening groove 10, the third opening groove and the first opening groove 10 jointly form an L-shaped hole matched with the front fixing block 8, and the L-shaped hole can be seen in fig. 5. The rear fastening assembly comprises a rear supporting platform, a jackscrew 12 and a rear buckle, the rear buckle is L-shaped and comprises a transverse part and a vertical part, the rear buckles are used in pairs and are arranged oppositely, the rear supporting platform is fixed at the inner end of the rear fixing lug and is arranged between the two rear buckles used in pairs along the axial direction of the printing roller body, the vertical part of the rear buckle is fixed on the rear end surface of the roller core 6 through a screw along the axial direction of the printing roller body, and the transverse part of the rear buckle is tightly pressed on the rear side surface of the rear fixing lug; the jackscrew 12 of the rear fastening assembly vertically penetrates through the transverse part of the rear buckle, and the inner end of the jackscrew 12 is pressed on the rear supporting platform; the front end of the rear supporting platform is provided with a fourth opening groove matched with the rear fixing block, the fourth opening groove is communicated with the second opening groove, the fourth opening groove and the second opening groove jointly form an L-shaped hole matched with the rear fixing block, and the L-shaped hole can be seen in fig. 4.
Be equipped with circumference recess 14 on the roller core 6 outer peripheral face, both ends around the roller core 6 with 5 inner chamber sealing connection of printing roller, the cover is equipped with sealing washer 16 all at both ends around the roller core 6, circumference recess 14 with the corresponding part of 5 inner chambers of printing roller constitutes jointly store up the china ink structure.
The printing plate 1 is a photosensitive printing plate which is a high-density sponge body. The utility model discloses a photosensitive printing plate uses with photosensitive printing ink cooperation, and printing ink on the printed matter is done soon.
The working principle is as follows:
when the distance between the printing roller 33 and the transfer roller 19 needs to be increased, the transmission mechanism stops operating, the power mechanism 32 is started, the power mechanism 32 drives the printing roller 33 to rotate anticlockwise by taking the central line of the axial support 27 as an axis through the swing arm 20, in the process, the printing roller gear 24 rotates anticlockwise around the borrowing wheel 23, the printing roller gear 24 and the borrowing wheel 23 play a role in supporting and orienting, the stability of the rotation of the printing roller 33 is ensured, and when the distance between the printing roller 33 and the transfer roller 19 reaches a proper size, the power mechanism 32 stops operating; when the distance between the printing roller 33 and the transfer roller 19 needs to be reduced, the transmission mechanism stops operating, the power mechanism 32 is started, the power mechanism 32 drives the printing roller 33 to rotate clockwise by taking the central line of the axial support 27 as an axis through the swing arm 20, in the process, the printing roller gear 24 rotates clockwise around the borrowing wheel 23, at the moment, the printing roller gear 24 and the borrowing wheel 23 also play a role in supporting and orienting, the stability of the rotation of the printing roller 33 is ensured, and when the distance between the printing roller 33 and the transfer roller 19 reaches a proper size, the power mechanism 32 stops operating.
When the ink storage structure needs to be filled with ink, photosensitive ink is added to the ink storage structure through the ink adding hole 15, after the photosensitive ink is filled, the ink adding hole 15 is sealed through the blocking wire 17, and when the ink outlet hole 18 rotates to the lower side of the printing roller body, the photosensitive ink passes through the ink outlet hole 18 under the action of gravity and then is absorbed by the printing plate 1.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. The utility model provides a printing device, includes printing roller, transfer roller, is used for driving the drive mechanism that printing roller and transfer roller rotated and is used for adjusting the adjustment mechanism of printing roller and transfer roller interval which characterized in that: the adjusting mechanism comprises a swing arm and a power mechanism for driving the swing arm to rotate.
2. A printing device according to claim 1, wherein: the transmission mechanism comprises a transfer gear, a power gear, a borrowing wheel and a printing roller gear, wherein the transfer gear and the borrowing wheel are meshed with the power gear, the printing roller gear is meshed with the borrowing wheel, the printing roller gear drives the printing roller to rotate, and the transfer gear drives the transfer roller to rotate.
3. A printing device according to claim 2, wherein: the printing roller is in including printing roll body and setting printing plate on the printing roll body is global, the printing roll body is including printing roller and drive printing roller pivoted printing roller axle, the printing roller gear is coaxial to be fixed on the printing roller axle.
4. A printing device according to claim 3, wherein: the swing arm becomes the U type, the printing roller rotates to be connected the opening part of swing arm.
5. A printing device according to claim 4, wherein: the swing arm includes two radial supports and connects the axial brace that two radial supports are inner, the both ends of printing roller axle rotate with two radial support outer ends respectively and are connected.
6. A printing device as claimed in claim 5, wherein: the transfer roller includes the rendition roll body and drives rendition roll body pivoted rendition roller, the printing roller gear is coaxial to be fixed on the rendition roller.
7. A printing device as claimed in claim 5, wherein: the power gear is coaxially fixed on a power shaft, and the power shaft is supported by a power bearing seat; the transfer roller shaft is supported by a transfer roller bearing housing.
8. A printing device according to claim 3, wherein: the printing plate is the ink-absorbable printing plate, be equipped with in the printing roll body and store up the china ink structure, it is in to store up the china ink structure through setting up the hole of bleeding on the printing roll body periphery does the printing plate supplies the china ink, it is by to go out the hole of bleeding the printing plate covers.
9. A printing device according to claim 8, wherein: and the printing roller body is provided with an ink adding hole communicated with the ink storage structure.
10. A printing device according to claim 1, wherein: the transfer roller is a transfer rubber roller, the power mechanism is composed of a power motor and a speed reducing motor assembly, and a motor shaft of the speed reducing motor is connected with the inner end of the swing arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921823924.6U CN211390551U (en) | 2019-10-28 | 2019-10-28 | Printing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921823924.6U CN211390551U (en) | 2019-10-28 | 2019-10-28 | Printing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211390551U true CN211390551U (en) | 2020-09-01 |
Family
ID=72210143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921823924.6U Expired - Fee Related CN211390551U (en) | 2019-10-28 | 2019-10-28 | Printing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211390551U (en) |
-
2019
- 2019-10-28 CN CN201921823924.6U patent/CN211390551U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200901 Termination date: 20211028 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |