CN212245506U - Feeding device of printing machine - Google Patents
Feeding device of printing machine Download PDFInfo
- Publication number
- CN212245506U CN212245506U CN202020132878.1U CN202020132878U CN212245506U CN 212245506 U CN212245506 U CN 212245506U CN 202020132878 U CN202020132878 U CN 202020132878U CN 212245506 U CN212245506 U CN 212245506U
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- bearing plate
- plate
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- bearing
- frame
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Abstract
The utility model belongs to the technical field of the technique of lithography apparatus and specifically relates to a loading attachment of printing machine is related to, including the material loading support, the material loading support rotates and is connected with the pay-off frame, the pay-off frame rotates and is connected with the feed roll, the mounting groove that is used for installing the feed roll is all offered at the both ends of feed roll to the pay-off frame, material loading support department is provided with the shallow, material loading support fixedly connected with guide rail, the length direction of guide rail and the axial direction of feed roll, many guide ways have been seted up along its width direction to the guide rail, the one end of guide way is located the below of feed roll, the one end that the material loading support was kept away from to the guide way sets up for the opening, the shallow includes a plurality of wheels and bearing board, the wheel is connected with the bottom rotation of bearing. The utility model discloses have and be convenient for remove the scroll to between two mounting grooves and with the coaxial effect of mounting groove, be favorable to preventing that the scroll from rolling on ground and causing the scroll wearing and tearing.
Description
Technical Field
The utility model belongs to the technical field of lithography apparatus's technique and specifically relates to a loading attachment of printing machine is related to.
Background
The printing machine is composed of paper feeding, plate loading, inking and impression mechanisms, and its working principle is that the characters and images to be printed are made into printing roller, then the printing roller is mounted on the printing machine, then the ink is coated on the peripheral position of the printing roller with characters and images by means of ink-feeding roller, and then the ink is directly or indirectly transferred onto the paper or other printing material so as to copy the printed matter identical to the raised position of the printing roller.
Chinese patent with grant publication number CN206156436U proposes a printing machine feeding mechanism and a printing machine using the same, including a frame, a guide roller rotatably disposed at one end of the frame, an upper mounting groove and a lower mounting groove disposed at the other end of the frame, wherein the upper mounting groove is disposed above the lower mounting groove, the upper mounting groove is provided with a second feeding rotating shaft, the lower mounting groove is provided with a first feeding rotating shaft, one end of the second feeding rotating shaft is fixed with a second driven gear, one end of the first feeding rotating shaft is fixed with a first driven gear, the frame is provided with a motor, an output shaft of the motor is fixed with a driving gear engaged with the second driven gear or the first driven gear, and the driving mechanism further includes a driving motor moving up and down to enable the driving gear to be engaged with the second driven gear or the first driven gear.
The above prior art solutions have the following drawbacks: the scroll is installed in second pay-off pivot and first pay-off pivot, because the scroll is bulky, operating personnel need roll the scroll between the mounting groove of frame subaerially to because the scroll rolls to the position of mounting groove and need guarantee the axial of scroll and the axial of guide roll parallel, lead to needing to make a round trip to roll the scroll many times in order to adjust the position of scroll, make the side wearing and tearing of scroll week serious, and promote the scroll and roll the operation inconvenience, increased staff's intensity of labour.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a loading attachment of printing machine to the not enough of prior art existence. It has the effect that prevents the scroll wearing and tearing, be convenient for adjust scroll position.
The above object of the present invention can be achieved by the following technical solutions:
a feeding device of a printing machine comprises a feeding support, wherein the feeding support is rotatably connected with a feeding frame, the feeding frame is rotatably connected with a feeding roller, mounting grooves for mounting the feeding roller are formed in two ends of the feeding frame, a trolley convenient for moving paper rolls is arranged at the position of the feeding support, the feeding support is fixedly connected with a guide rail used for moving the trolley, the length direction of the guide rail is parallel to the axial direction of the feeding roller, a plurality of guide grooves are formed in the guide rail along the width direction of the guide rail, one end of each guide groove is positioned below the feeding roller, one end, far away from the feeding support, of each guide groove is provided with an opening, the trolley comprises a plurality of wheels sliding in the guide grooves and a bearing plate used for bearing the paper rolls, the wheels are rotatably connected with the bottom end of the bearing plate, the bearing plate is provided with a blocking component for preventing the paper rolls from being separated from the bearing plate, the bearing plate is provided with a locking piece which is convenient for fixing the wheel.
By adopting the technical scheme, the wheels drive the bearing plate to slide away from the guide rail along the opening end of the guide groove, the wheels are fixed through the locking parts after the bearing plate is moved to the paper roll, the paper roll is favorably moved onto the bearing plate, the paper roll is prevented from being separated from the bearing plate in the moving process of the bearing plate through the blocking assembly, the bearing plate is pushed to drive the paper roll to return to the guide rail through the bearing plate, the effect of conveniently moving the paper roll to adjust the position of the paper roll is realized, the paper roll is prevented from being abraded due to the rolling on the ground, and the labor intensity of workers is reduced; the feed roll that rotates the pay-off frame and make the scroll of needs installation rotates to the one end that is close to the guide rail, takes off the feed roll of the scroll of needs installation in mounting groove department, penetrates the axial center hole back of scroll with the feed roll, moves the bearing board towards the mounting groove along the guide way for the scroll removes to the axial and the coaxial position of mounting groove, realizes being convenient for to remove the scroll to the effect of mounting groove department.
The present invention may be further configured in a preferred embodiment as: the bearing plate is far away from one end of the guide plate is fixedly connected with the blocking frame, the two ends of the bearing plate adjacent to the guide plate are fixedly connected with the limiting plates respectively, and a positioning assembly for fixing the guide plate is arranged between the guide plate and the bearing plate.
Through adopting above-mentioned technical scheme, when the scroll was located the bearing board, locating component made the deflector be fixed in with bearing board vertically position, the one end that the deflector was kept away from to the scroll with separate and keep off the frame conflict, the scroll contradicts with two limiting plates respectively along its axial both ends, realizes preventing that the scroll from breaking away from the effect of bearing board at the in-process that the bearing board removed.
The present invention may be further configured in a preferred embodiment as: the positioning assembly comprises two positioning blocks and a second bolt, the guide plate and the bearing plate are rotatably connected with a second shaft, two ends of the second shaft are fixedly connected with the two positioning blocks respectively, a second through hole is formed in the positioning block, the second bolt and the second through hole are in plug-in fit, second screw holes are formed in two ends of the bearing plate, and when the guide plate swings to be perpendicular to the bearing plate, the positioning block swings to the second through hole and the second screw holes are coaxial and communicated.
Through adopting above-mentioned technical scheme, around the second axle orientation near the direction swing deflector of scroll, when deflector perpendicular to bearing board, the deflector contradicts with the scroll, utilizes the second bolt to pass the second through-hole on the locating piece in the second screw hole with bearing board threaded connection, the realization is fixed in the effect in the position of perpendicular to bearing board with the deflector to the realization prevents that the scroll from rolling out the effect of bearing board by deflector department.
The present invention may be further configured in a preferred embodiment as: and one end of the guide plate, which is far away from the bearing plate, abuts against the ground when swinging to the farthest position in the direction far away from the bearing plate.
Through adopting above-mentioned technical scheme, during deflector and ground butt, the vertical height of deflector reduces gradually towards the direction of keeping away from the bearing board, is favorable to promoting the scroll to the bearing board by deflector department.
The present invention may be further configured in a preferred embodiment as: the bearing plate is provided with an arc-shaped groove along the length direction thereof for preventing the paper roll from rolling on the bearing plate.
Through adopting above-mentioned technical scheme, the length direction of arc wall is the same with the axis of scroll, promotes the scroll to the arc wall of bearing board in, is favorable to preventing the scroll from rolling in the bearing board and guaranteeing that the axis of scroll is the same with the length direction of bearing board, is favorable to removing the scroll to the position coaxial with the mounting groove through the bearing board.
The present invention may be further configured in a preferred embodiment as: the retaining member includes the second bolt, a plurality of connecting plates of bearing board fixedly connected with, the wheel is two relative between the connecting plate with the connecting plate rotates to be connected, the connecting plate runs through to set up first screw and threaded connection has first bolt, a plurality of shrinkage pools that are used for first bolt grafting have been seted up to the wheel.
Through adopting above-mentioned technical scheme, when the bearing board removed to scroll department, rotated the wheel and made shrinkage pool and first screw intercommunication, first bolt and connecting block threaded connection just passed the connecting block and peg graft in the shrinkage pool, realized locking dead effect with the wheel to prevent that the bearing board from rolling the in-process emergence removal to the bearing board on in the scroll, be favorable to removing the scroll to the bearing board on.
The present invention may be further configured in a preferred embodiment as: the vertical height of one end of the guide rail, which is far away from the feeding support, is gradually reduced towards the direction far away from the feeding support.
Through adopting above-mentioned technical scheme, the one end that the material loading support was kept away from to the guide rail sets up for the slope, is favorable to the wheel roll-off and slides in the mounting groove on the guide rail.
The present invention may be further configured in a preferred embodiment as: the baffle frame is fixedly connected with a handle which is convenient for pushing the bearing plate.
Through adopting above-mentioned technical scheme, utilize the handle to be convenient for promote and separate the fender frame to promote the bearing board, be convenient for control wheel drives the bearing board and removes.
To sum up, the utility model discloses a following beneficial technological effect:
1. the bearing plate is driven by the wheels to move the paper roll, and the axial direction of the paper roll on the bearing plate is the same as the length direction of the bearing plate, so that when the bearing plate drives the paper roll to move to the guide rail, the axis of the paper roll is parallel to the axis of the mounting groove, the effect of conveniently moving the paper roll between the two mounting grooves and being coaxial with the mounting grooves is realized, and the paper roll is prevented from rolling on the ground to cause the abrasion of the paper roll;
2. the guide plate rotates around the bearing plate to abut against the ground, so that the effect that the paper roll is convenient to move onto the bearing plate along the guide plate is achieved, the second bolt penetrates through the positioning block to be in threaded connection with the bearing plate, and the guide plate is favorable for being matched with the limiting plate and the blocking frame to achieve the effect of preventing the paper roll from being separated from the bearing plate in the moving process of the bearing plate;
3. through first bolt and connecting block threaded connection and pass the connecting block and peg graft in the concave hole, realize the dead effect of wheel lock to prevent that the bearing board from rolling the in-process that arrives on the bearing board in the scroll and taking place to remove, be favorable to removing the scroll to the bearing board on.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged view at A in FIG. 1;
fig. 3 is an isometric schematic view of the present invention.
In the figure, the device comprises a feeding support 1, a feeding frame 2, a feeding frame 3, a feeding roller 4, a mounting groove 5, a baffle plate 6, a third bolt 7, a guide rail 8, a guide groove 9, a wheel 10, a bearing plate 11, a first shaft 12, a connecting plate 13, a first bolt 14, a concave hole 15, a guide plate 16, a limiting plate 17, a baffle frame 18, an arc-shaped groove 19, a second shaft 20, a positioning block 21, a second bolt 22 and a handle.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, for the utility model discloses a loading attachment of printing machine, including loading support 1, loading support 1 rotates and is connected with pay-off frame 2, rotates between pay-off frame 2 and is connected with feed roll 3, and the mounting groove 4 that is used for installing feed roll 3 is all offered at feed roll 3's both ends to pay-off frame 2, and the opening part of mounting groove 4 is provided with the baffle 5 that is used for preventing feed roll 3 from leaving mounting groove 4, and pay-off frame 2 has two third bolts 6 that are used for fixed stop 5 in mounting groove 4 threaded connection. Through taking off third bolt 6 for baffle 5 and pay-off frame 2 separation, be convenient for take out feed roll 3 in the mounting groove 4, wear insert the axle center hole of scroll with feed roll 3 after, remove the scroll to the position coaxial with mounting groove 4, make the both ends of feed roll 3 get into mounting groove 4 by the opening part of mounting groove 4 respectively, be fixed in the opening part of mounting groove 4 with baffle 5 through third bolt 6, the realization is installed the effect on pay-off frame 2 with the scroll.
Referring to fig. 1 and 2, a cart convenient for moving paper rolls is arranged at a feeding support 1, the feeding support 1 is fixedly connected with a guide rail 7 used for moving the cart, two ends of the guide rail 7 in the length direction are welded and fixed with two opposite ends of the feeding support 1, the length direction of the guide rail 7 is parallel to the axial direction of a feed roller 3 and a mounting groove 4, the guide rail 7 is provided with two guide grooves 8 along the width direction thereof, one ends of the guide grooves 8 are positioned below the feed roller 3 and are in a closed arrangement, one ends of the guide grooves 8 far away from the feeding support 1 are in an open arrangement, one ends of the guide rails 7 far away from the feeding support 1 are inclined planes, the vertical height of the inclined planes is gradually reduced towards the direction far away from the feeding support 1, the cart comprises four wheels 9 sliding in the guide grooves 8 and a bearing plate 10 used for bearing the paper rolls, the length direction of the bearing plate 10 is the same as the length direction of the guide rail 7, the bottom ends of four, a first shaft 11 is rotatably connected between the two opposite connecting plates 12, and the wheel 9 is coaxially and fixedly connected with the first shaft 11 between the two connecting plates 12.
Referring to fig. 1 and 2, when paper rolls need to be installed, the bearing plate 10 is pulled in a direction away from the feeding support 1, so that the wheels 9 slide away from the guide rails 7 along the opening ends of the guide grooves 8, the bearing plate 10 is moved to the paper rolls, the paper rolls are moved onto the bearing plate 10, the axial direction of the paper rolls is the same as the length direction of the bearing plate 10, the bearing plate 10 is pushed to drive the paper rolls to return to the guide rails 7 through the bearing plate 10, an inclined surface is formed at one end of the guide rails 7, which is away from the feeding support 1, so that the wheels 9 can slide out of and into the guide grooves 8, and the bearing plate 10 and the paper rolls are driven to move through the wheels 9, so that the effect of moving the paper rolls to adjust the; the feed roll 3 that rotates pay-off frame 2 and make the scroll of needs installation rotates to the one end that is close to guide rail 7, takes off the feed roll 3 that needs the installation scroll in mounting groove 4 department, penetrates the axle center hole of scroll with feed roll 3 after, moves supporting plate 10 towards mounting groove 4 along guide way 8 for the scroll removes to the axial and the coaxial position of mounting groove 4, realizes being convenient for remove the scroll to the effect between two mounting grooves 4.
Referring to fig. 2, in order to prevent the bearing plate 10 from moving in the process of rolling the paper roll onto the bearing plate 10, the bearing plate 10 is provided with a locking member convenient for fixing the wheel 9, the locking member comprises a first bolt 13, a connecting plate 12 is penetrated through and provided with a first screw hole and is connected with the first bolt 13 through a thread, one end of the wheel 9 close to the feeding support 1 is provided with ten concave holes 14 for inserting the second bolts 21, and the concave holes 14 are formed along the circumferential direction of the wheel 9 at equal intervals.
Referring to fig. 2 and 3, in order to prevent the paper roll from being separated from the bearing plate 10 in the moving process of the bearing plate 10, the bearing plate 10 is provided with a blocking assembly, the blocking assembly comprises two limiting plates 16, a blocking frame 17 and a guide plate 15, the bearing plate 10 is rotatably connected with the guide plate 15 along the length direction of the bearing plate, one end of the guide plate 15, far away from the bearing plate 10, abuts against the ground when swinging to the farthest position in the direction far away from the bearing plate 10, the bearing plate 10 is provided with an arc-shaped groove 18 for preventing the paper roll from rolling on the bearing plate 10 along the length direction of the bearing plate, the two limiting plates 16 are respectively and fixedly connected with two ends, adjacent to the bearing plate 10 and the guide plate 15, of the blocking frame 17 are fixedly connected with one end, far away from the guide plate 15, of the bearing plate 10 along the vertical direction, and the top end of the blocking frame 17 is fixedly connected with;
in order to fix the guide plate 15 at a position perpendicular to the bearing plate 10, a positioning assembly for fixing the guide plate 15 is arranged between the guide plate 15 and the bearing plate 10, the positioning assembly comprises two positioning blocks 20 and a second bolt 21, the guide plate 15 and the bearing plate 10 are rotatably connected with a second shaft 19, the two positioning blocks 20 are respectively fixedly connected with two ends of the second shaft 19, the positioning blocks 20 are provided with second through holes, the second bolts 21 are in plug-in fit with the second through holes, the two ends of the bearing plate 10 are provided with second screw holes, and when the guide plate 15 swings to be perpendicular to the bearing plate 10, the positioning blocks 20 swing to the second through holes and the second screw holes are coaxial and communicated.
Referring to fig. 2 and 3, when the bearing plate 10 moves to the paper roll, the bearing plate 10 is moved to the position where the guide plate 15 abuts against the periphery of the paper roll, two ends of the guide plate 15 in the length direction are aligned with two ends of the paper roll in the axial direction, the bearing plate 10 is slightly lifted, the wheel 9 is rotated, the concave hole 14 in the wheel 9 is communicated with the first screw hole, the first bolt 13 is in threaded connection with the first screw hole, the first bolt 13 is rotated to enable the first bolt 13 to penetrate through the first screw hole and be inserted into the concave hole 14, the effect of locking the wheel 9 is achieved, the bearing plate 10 is prevented from moving in the process that the paper roll rolls on the bearing plate 10, and the paper roll is favorably moved to the bearing plate 10;
the paper roll is pushed to the arc-shaped groove 18 of the bearing plate 10 along the guide plate 15, the axial direction of the paper roll is the same as the length direction of the bearing plate 10 at the moment, one end, far away from the guide plate 15, of the paper roll is abutted against the blocking frame 17, and the two axial ends of the paper roll are abutted against the two limiting plates 16 respectively, so that the paper roll is favorable for being coaxial with the mounting groove 4 when moving to the mounting groove 4 along with the bearing plate 10; the guide plate 15 swings around the second shaft 19 towards the direction close to the paper roll, when the guide plate 15 is perpendicular to the bearing plate 10, the guide plate 15 is abutted against the paper roll, at the moment, the second shaft 19 drives the positioning block 20 to swing to the second through hole to be coaxial and communicated with the second screw hole, the second bolt 21 penetrates through the second through hole in the positioning block 20, the second bolt 21 is in threaded connection with the bearing plate 10 in the second screw hole, the guide plate 15 is fixed, and the effect of preventing the paper roll from being separated from the bearing plate 10 in the moving process of the bearing plate 10 is achieved through the guide plate 15, the two limiting plates 16 and the blocking frame 17.
The implementation principle of the embodiment is as follows:
when paper rolls need to be installed, the bearing plate 10 is pulled to enable the wheels 9 to slide away from the guide rail 7 along the opening end of the guide groove 8, the bearing plate 10 is moved to the paper rolls, the bearing plate 10 is moved to the position where the guide plate 15 abuts against the peripheral sides of the paper rolls, two ends of the guide plate 15 are aligned with two ends of the paper rolls, and the wheels 9 are locked by utilizing the first bolts 13, the first bolts are in threaded connection with the connecting blocks and are inserted into the concave holes 14;
after the paper roll is pushed to the arc-shaped groove 18 of the bearing plate 10 along the guide plate 15, the guide plate 15 swings towards the paper roll to be perpendicular to the bearing plate 10, and a second bolt 21 penetrates through a positioning block 20 to be in threaded connection with the bearing plate 10, so that the guide plate 15 is fixed in position and is abutted against the paper roll, and the paper roll is abutted against a limiting plate 16 and a blocking frame 17, and the paper roll is prevented from being separated from the bearing plate 10 in the moving process of the bearing plate 10;
promote the bearing board 10 through handle 22, realize being convenient for remove the effect of scroll, prevent that the scroll from rolling on ground and causing the scroll wearing and tearing, wheel 9 slides in guide rail 7 in the opening part of guide way 8 for bearing board 10 drives the scroll and removes to guide rail 7 on, the axial of scroll and the axial of mounting groove 4 are parallel this moment, realize being convenient for remove the scroll to the position coaxial with mounting groove 4.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a loading attachment of printing machine, includes material loading support (1), material loading support (1) rotates and is connected with pay-off frame (2), pay-off frame (2) rotate and are connected with feed roll (3), mounting groove (4) that are used for installing feed roll (3) are all offered at the both ends of feed roll (3) to pay-off frame (2), its characterized in that: a trolley convenient for moving paper rolls is arranged at the feeding support (1), the feeding support (1) is fixedly connected with a guide rail (7) used for moving the trolley, the length direction of the guide rail (7) is parallel to the axial direction of the feed roller (3), a plurality of guide grooves (8) are formed in the guide rail (7) along the width direction of the guide rail, one end of each guide groove (8) is positioned below the feeding roller (3), one end of the guide groove (8) far away from the feeding support (1) is provided with an opening, the cart comprises a plurality of wheels (9) sliding in the guide grooves (8) and a supporting plate (10) used for supporting the paper roll, the wheels (9) are rotatably connected with the bottom end of the bearing plate (10), the bearing plate (10) is provided with a blocking component for preventing the paper roll from separating from the bearing plate (10), the bearing plate (10) is provided with a locking piece which is convenient for fixing the wheel (9).
2. A loading device of a printing press according to claim 1, characterized in that: separate keep off the subassembly include two limiting plates (16), separate keep off frame (17) and with bearing board (10) rotate deflector (15) of connecting, bearing board (10) are kept away from the one end of deflector (15) with separate and keep off frame (17) fixed connection, bearing board (10) with the both ends that deflector (15) are adjacent respectively with two limiting plate (16) fixed connection, deflector (15) with be provided with fixedly between bearing board (10) the locating component of deflector (15).
3. A loading device of a printing press according to claim 2, characterized in that: the positioning assembly comprises two positioning blocks (20) and a second bolt (21), the guide plate (15) and the bearing plate (10) are rotatably connected with a second shaft (19), two ends of the second shaft (19) are respectively fixedly connected with the two positioning blocks (20), a second through hole is formed in the positioning block (20), the second bolt (21) is in plug-in fit with the second through hole, second screw holes are formed in two ends of the bearing plate (10), and when the guide plate (15) swings to be perpendicular to the bearing plate (10), the positioning block (20) swings to the second through hole and the second screw holes are coaxial and communicated.
4. A loading device of a printing press according to claim 3, characterized in that: and one end of the guide plate (15) far away from the bearing plate (10) is abutted with the ground when swinging to the farthest position in the direction far away from the bearing plate (10).
5. A loading device of a printing press according to claim 4, characterized in that: the bearing plate (10) is provided with an arc-shaped groove (18) along the length direction thereof for preventing paper rolls from rolling on the bearing plate (10).
6. A loading device of a printing press according to claim 5, characterized in that: the retaining member includes second bolt (21), a plurality of connecting plates (12) of bearing board (10) fixedly connected with, wheel (9) are relative in two between connecting plate (12) with connecting plate (12) rotate to be connected, connecting plate (12) run through and have seted up first screw and threaded connection have first bolt (13), a plurality of being used for have been seted up in wheel (9) shrinkage pool (14) that first bolt (13) were pegged graft.
7. A loading device of a printing press according to claim 6, characterized in that: the vertical height of one end, far away from the feeding support (1), of the guide rail (7) is gradually reduced towards the direction far away from the feeding support (1).
8. A loading device of a printing press according to claim 7, characterized in that: the blocking frame (17) is fixedly connected with a handle (22) which is convenient for pushing the bearing plate (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020132878.1U CN212245506U (en) | 2020-01-19 | 2020-01-19 | Feeding device of printing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020132878.1U CN212245506U (en) | 2020-01-19 | 2020-01-19 | Feeding device of printing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212245506U true CN212245506U (en) | 2020-12-29 |
Family
ID=73989441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020132878.1U Expired - Fee Related CN212245506U (en) | 2020-01-19 | 2020-01-19 | Feeding device of printing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212245506U (en) |
-
2020
- 2020-01-19 CN CN202020132878.1U patent/CN212245506U/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: 20201229 Termination date: 20220119 |
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| CF01 | Termination of patent right due to non-payment of annual fee |