CN118088588B - Coupling structure for rubber roller of digital printing machine - Google Patents
Coupling structure for rubber roller of digital printing machine Download PDFInfo
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- CN118088588B CN118088588B CN202410506401.8A CN202410506401A CN118088588B CN 118088588 B CN118088588 B CN 118088588B CN 202410506401 A CN202410506401 A CN 202410506401A CN 118088588 B CN118088588 B CN 118088588B
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- coupling structure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/02—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive adapted to specific functions
- F16D3/06—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive adapted to specific functions specially adapted to allow axial displacement
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/50—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive with the coupling parts connected by one or more intermediate members
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The invention relates to a coupling structure for a rubber roller of a digital printing machine, which relates to the technical field of textile printing and dyeing equipment and comprises a servo motor; the output shaft of the servo motor is connected with the roll shaft through a coupling structure, the roll shaft is arranged in the middle of the rubber roll, and the rubber roll synchronously rotates along with the roll shaft. Through setting up the shaft coupling structure, electric putter is second to be elongated, makes the interval increase between movable disk one and the movable disk two, increases the overall length of shaft coupling structure, and the same reason electric putter is second to be shortened, can reduce the overall length of shaft coupling structure, is convenient for make the rubber roll deal with the mounting bracket of different width, deals with different installation environment, increases the convenience of rubber roll installation; the first electric push rod stretches to enable the first movable frame to be inclined, so that the servo motor can be arranged in an inclined mode or in a vertical mode, the installation length of the servo motor is reduced, and wiring of the servo motor is facilitated.
Description
Technical Field
The present disclosure relates to the technical field of textile printing equipment, and more particularly, to a coupling structure for a rubber roller of a digital printing machine, which is used for connecting a roller shaft of the rubber roller of the digital printing machine with an output shaft of a servo motor.
Background
Digital printers are an industry of large format printers, such as plotters, which are similar in the CAD field, and whose ink characteristics are aqueous dispersion inks. Is printed on a transfer paper and then transferred to a cloth (artificial chemical fiber cloth) by high temperature. The method is mainly applied to the printing and dyeing of clothing and cloth.
For example, publication No.: the document CN218377373U discloses a coupling for a rubber roll of a rotary screen transfer printing machine, which is arranged on a second end opposite to the first end of the base body and is constructed as one piece with the base body; and at least one pair of connecting bolts penetrating the first half-shell and the second half-shell, respectively, to fix the first and second half-shells to each other by means of bolting. The disclosed coupler can remarkably improve the replacement efficiency of the rubber roller of the rotary screen transfer printing machine.
As another example, publication No.: the document of US7497781B2 discloses a variable stiffness flexible joint that reduces the adverse effects of torque or torsional transients on the rotational positioning and continuous transmission of rotational motion and reduces vibration caused by linear or other angular displacement on both sides of the joint. The structure is comprised of opposed outer and inner plates, each of which is engaged with a respective shaft or shaft segment. The plates define a plurality of apertures that support the flexible member. The flexible member passes through the plate on the adjacent shaft or the shaft section around the shaft end. Torque may be transferred from one shaft to the other shaft through a flexible member.
But in the rubber roll installation, because the connection length of shaft coupling is fixed for the rubber roll installation has various restrictions, sometimes needs to increase the length of rubber roll, perhaps adjusts the position of bearing frame on the digital printing machine, can install the rubber roll, leads to the installation to waste time and energy, and the position that the shaft coupling is connected with the motor is mostly to flush the setting, in some narrow and small spaces, and be unfavorable for servo motor's installation, lead to influencing the normal use of rubber roll, when the maintenance simultaneously, need dismantle holistic shaft coupling and servo motor, dismantle inefficiency.
Disclosure of Invention
(One) solving the technical problems
In order to solve the technical problems, the invention provides a coupling structure for a rubber roller of a digital printing machine.
(II) technical scheme
Based on the above, the invention provides the following technical scheme: a coupling structure for a rubber roller of a digital printing machine comprises a servo motor;
the output shaft of the servo motor is connected with a roll shaft by adopting a coupling structure, the roll shaft is arranged in the middle of the rubber roll, the rubber roll synchronously rotates along with the roll shaft, the other end of the roll shaft is arranged on a frame of the digital printing machine, and a movable frame II of the coupling structure is also arranged on the frame of the digital printing machine;
The coupling structure comprises a first movable frame, a movable groove, a movable shaft, a second movable frame, a telescopic swing mechanism, a first movable disk, a first shaft lever structure, a second shaft lever structure and a second movable disk, wherein the second movable disk is in transmission connection with an output shaft of the servo motor, the rear end of the first movable frame is provided with the telescopic swing mechanism, and the right end of the first movable disk is movably connected with the second movable frame;
The left end edge of the first movable disk is circumferentially distributed with a first shaft lever structure, the first shaft lever structure is contacted with a second shaft lever structure, and the right end edge of the second movable disk is circumferentially distributed with a second shaft lever structure.
In another embodiment, the first movable frame and the second movable frame have the same structure, the joint of the first movable frame and the second movable frame is provided with a movable groove, the first movable frame is movably connected with the left end of the second movable frame by a movable shaft, and the movable shaft penetrates through the inner side of the movable groove.
In another embodiment, the first movable disk and the second movable disk are symmetrically arranged, the first shaft lever structure and the second shaft lever structure are arranged in a staggered mode and are nested with each other, and the number of the first shaft lever structures is identical to the number of the second shaft lever structures.
In another embodiment, a protruding shaft is arranged at the right end of the second movable disc, and the protruding shaft is connected with the left end of the roll shaft.
In another embodiment, the telescopic swing mechanism comprises a first positioning rod, a cross rod, a rotating seat, a connecting plate, a first electric push rod, a second electric push rod and a second positioning rod, wherein the front end of the first positioning rod is fixed with the first movable frame, the first positioning rod is inserted into the left end of the cross rod, the right end of the cross rod is movably connected with the inner side of the rotating seat, the rotating seat is fixed with the top of the connecting plate, one end of the first electric push rod is rotatably connected with the rear side of the connecting plate, the other end of the first electric push rod is rotatably connected with the rear end of the cross rod, and the right end of the rotating seat is provided with the second electric push rod.
In another embodiment, the first positioning rod and the second positioning rod are arranged in parallel, the front end of the second positioning rod is fixed with the second movable frame, the right end of the second electric push rod is fixedly connected with the second positioning rod, and the left end of the cross rod is provided with a locking mechanism; the locking mechanism comprises a locating plate, a first guide seat, a second guide seat, a bolt and a pressure spring, wherein the right end of the locating plate is fixed with a cross rod, the first guide seat and the second guide seat are oppositely arranged on the left side and the right side of the front end of the locating plate, the cross section of the bolt is of a shaped structure, the bolt is in sliding fit with the inner sides of the first guide seat and the second guide seat, the right end of the bolt is spliced with the first locating rod, the bolt penetrates through the middle of the pressure spring, the pressure spring is positioned between the first guide seat and the second guide seat, and the bolt is elastically connected with the right end of the first guide seat by the pressure spring.
In another embodiment, the center of the circle of the rotating seat and the circle of the movable shaft are in the same horizontal direction, and the cross rod, the connecting plate and the first electric push rod mutually form a triangle structure.
In another embodiment, the first shaft rod structure comprises a round rod, an anti-slip layer, a threaded rod and a top bead, the top bead is movably nested at the right end of the threaded rod, the anti-slip layer is distributed on the round rod at equal intervals, the round rod and the left end of the threaded rod are of an integrated structure, the threaded rod is in threaded fit with the inner side of the first movable disc, and the anti-slip layer is concave.
In another embodiment, the first shaft structure is matched with the second shaft structure, and the first shaft structure and the second shaft structure are nested with each other, so that the second movable disk rotates while the first shaft structure pushes the second shaft structure to synchronously rotate, and then the first movable disk is driven to rotate.
In another embodiment, the anti-skid layer is in an annular protruding structure and is distributed along the surface of the round rod at equal intervals, so that the attaching area of the first shaft lever structure and the second shaft lever structure is increased, and an anti-skid effect is achieved.
In another embodiment, the anti-slip layer is arc concave with the two ends being variable in diameter and the middle being variable in diameter, and is distributed along the surface of the round rod at equal intervals, and the first shaft rod structure and the second shaft rod structure are tightly attached together through staggered arrangement of the first shaft rod structure and the second shaft rod structure, so that the stability of transmission of the first shaft rod structure and the second shaft rod structure is improved, and the roll shaft is enabled to rotate stably.
(III) beneficial effects
Compared with the prior art, the invention provides the coupling structure for the rubber roller of the digital printing machine, which has the following beneficial effects:
according to the coupling structure for the rubber roller of the digital printing machine, the coupling structure is arranged, the second electric push rod is extended, so that the distance between the first movable disc and the second movable disc is increased, the overall length of the coupling structure is increased, the second electric push rod is shortened in the same way, the overall length of the coupling structure can be reduced, the rubber roller can be conveniently used for mounting frames with different widths, different mounting environments can be conveniently used, and the convenience of rubber roller mounting is improved;
The first electric push rod stretches to enable the first movable frame to be inclined, so that the servo motor can be arranged in an inclined mode or in a vertical mode, the installation length of the servo motor is reduced, the wiring of the servo motor is facilitated, the traditional mode of flexible adjustment is changed, the coupling angle is changed, and the range of the adjustment angle is greatly increased;
When the coupling structure needs to be disassembled, the bolt is pulled to the left end, the plug-in state of the bolt and the first positioning rod is released, the first positioning rod can be taken down from the left end positioning seat of the cross rod, then the first movable frame and the second movable frame can be separated, the coupling is quickly separated and maintained, and the maintenance efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic perspective view of a coupling structure according to the present invention;
FIG. 3 is an enlarged schematic view of the structure of FIG. 2 according to the present invention;
FIG. 4 is a schematic view of a coupling structure of the present invention;
FIG. 5 is a schematic perspective view of the telescopic swing mechanism of the present invention;
FIG. 6 is a schematic perspective view of a locking mechanism according to the present invention;
FIG. 7 is a schematic view of a shaft structure according to one aspect of the present invention;
FIG. 8 is a schematic diagram of a second embodiment of a shaft structure according to the present invention;
FIG. 9 is a schematic diagram of a shaft structure according to one aspect of the present invention;
FIG. 10 is a schematic view of a coupling configuration adjustment structure according to the present invention;
Fig. 11 is a schematic diagram of two structural modes for adjusting the coupling structure of the present invention.
In the figure: the device comprises a servo motor-1, a coupling structure-2, a roll shaft-3, a rubber roll-4, a movable frame-21, a movable groove-22, a movable shaft-23, a movable frame-two-24, a telescopic swing mechanism-25, a movable disc-26, a shaft rod structure-27, a shaft rod structure-28, a movable disc-two-29, a convex shaft-210, a positioning rod-251, a cross rod-252, a rotating seat-253, a connecting plate-254, an electric push rod-255, an electric push rod-256, a positioning rod-257, a locking mechanism-258, a positioning plate-25 a, a guide seat-25 b, a guide seat-two-25 c, a bolt-25 d, a pressure spring-25 e, a round rod-271, an anti-skid layer-272, a threaded rod-273 and a top bead-274.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1, a coupling structure for a rubber roll of a digital printing machine comprises a servo motor 1; the output shaft of the servo motor 1 is connected with a roll shaft 3 through a coupling structure 2, the roll shaft 3 is arranged in the middle of a rubber roll 4, the rubber roll 4 synchronously rotates along with the roll shaft 3, the other end of the roll shaft 3 is arranged on a frame of the digital printing machine, and a second movable frame 24 of the coupling structure 2 is also arranged on the frame of the digital printing machine.
Referring to fig. 2,3, 4, 10 and 11, a coupling structure for a rubber roll of a digital printing machine is shown, wherein the coupling structure 2 comprises a first movable frame 21, a movable groove 22, a movable shaft 23, a second movable frame 24, a telescopic swing mechanism 25, a first movable disk 26, a first shaft rod structure 27, a second shaft rod structure 28 and a second movable disk 29, the second movable disk 29 is in transmission connection with an output shaft of a servo motor 1, the rear end of the first movable frame 21 is provided with the telescopic swing mechanism 25, and the right end of the first movable disk 26 is movably connected with the second movable frame 24; the left end edge of the first movable disk 26 is circumferentially provided with a first shaft lever structure 27, the first shaft lever structure 27 is contacted with a second shaft lever structure 28, the right end edge of the second movable disk 29 is circumferentially provided with a second shaft lever structure 28, the first movable rack 21 and the second movable rack 24 are identical in structure, the joint of the first movable rack 21 and the second movable rack 24 is provided with a movable groove 22, the first movable rack 21 is movably connected with the left end of the second movable rack 24 by adopting a movable shaft 23, the movable shaft 23 penetrates through the inner side of the movable groove 22, the first movable disk 26 and the second movable disk 29 are symmetrically arranged, the first shaft lever structure 27 and the second shaft lever structure 28 are arranged in a staggered mode and are mutually nested, the number of the first shaft lever structure 27 is identical with the number of the second shaft lever structure 28, the right end of the second movable disk 29 is provided with a convex shaft 210, and the convex shaft 210 is connected with the left end of the roll shaft 3.
Referring to fig. 5-6, a coupling structure for a rubber roll of a digital printing machine, the telescopic swing mechanism 25 includes a first positioning rod 251, a cross rod 252, a rotating seat 253, a connecting plate 254, a first electric push rod 255, a second electric push rod 256, and a second positioning rod 257, wherein the front end of the first positioning rod 251 is fixed with the first movable frame 21, the first positioning rod 251 is inserted into the left end of the cross rod 252, the right end of the cross rod 252 is movably connected with the inner side of the rotating seat 253, the rotating seat 253 is fixed with the top of the connecting plate 254, one end of the first electric push rod 255 is rotatably connected with the rear side of the connecting plate 254, the other end of the first electric push rod 255 is rotatably connected with the rear end of the cross rod 252, the right end of the rotating seat 253 is provided with a second electric push rod 256, the first positioning rod 251 and the second positioning rod 257 are arranged in parallel, the front end of the second positioning rod 257 is fixed with the second movable frame 24, the right end of the second electric push rod 256 is fixedly connected with the second positioning rod 257, and the left end of the cross rod 252 is provided with a locking mechanism 258; the locking mechanism 258 comprises a positioning plate 25a, a first guide seat 25b, a second guide seat 25c, a bolt 25d and a pressure spring 25e, wherein the right end of the positioning plate 25a is fixed with the transverse rod 252, the left side and the right side of the front end of the positioning plate 25a are oppositely provided with the first guide seat 25b and the second guide seat 25c, the cross section of the bolt 25d is of an L-shaped structure, the bolt 25d is in sliding fit with the inner sides of the first guide seat 25b and the second guide seat 25c, the right end of the bolt 25d is inserted with the first positioning rod 251, the bolt 25d penetrates through the middle part of the pressure spring 25e, the pressure spring 25e is positioned between the first guide seat 25b and the second guide seat 25c, the bolt 25d is elastically connected with the right end of the first guide seat 25b by adopting the pressure spring 25e, the circle center of the rotating seat 253 and the circle of the movable shaft 23 are positioned in the same horizontal direction, and the transverse rod 252, the connecting plate 254 and the electric push rod 255 mutually form a triangle structure.
Referring to fig. 7, a coupling structure for a rubber roller of a digital printing machine, the first shaft structure 27 includes a round rod 271, an anti-slip layer 272, a threaded rod 273 and a top bead 274, the right end of the threaded rod 273 is movably nested with the top bead 274, the anti-slip layer 272 is equidistantly distributed on the round rod 271, the round rod 271 and the left end of the threaded rod 273 are of an integrated structure, the threaded rod 273 is in threaded engagement with the inner side of the first movable disk 26, the anti-slip layer 272 is concave, the structure of the first shaft structure 27 is matched with the structure of the second shaft structure 28, the first shaft structure 27 and the second shaft structure 28 are nested with each other, the first shaft structure 29 rotates, the second shaft structure 28 is pushed to synchronously rotate through the first shaft structure 27, the first movable disk 26 is driven to rotate, the spiral direction of the threaded rod 273 is opposite to the rotation direction of the first movable disk 26, the threaded rod 273 cannot be loosened when the first movable disk 26 rotates, the top bead 274 can make the threaded rod 273 enter the first movable disk 26 at the inner side to prop the first shaft structure 27.
Example 2
Referring to fig. 8, this embodiment has a partially identical structure to embodiment 1, and identical elements are given identical reference numerals and their description is omitted. The difference between the present embodiment and embodiment 1 is that the anti-slip layer 272 of the present embodiment is in an annular protrusion structure, and is equidistantly distributed along the surface of the round rod 271, and the number of the protrusions is greater than that of the concave structures in embodiment 1, so as to increase the bonding area between the first shaft structure 27 and the second shaft structure 28, and thus, the anti-slip effect is achieved.
Example 3
Referring to fig. 9, this embodiment has a partially identical structure to embodiment 1, and identical elements are given identical reference numerals and their description is omitted. The difference between this embodiment and embodiment 1 is that the anti-slip layer 272 of this embodiment has an arc-shaped concave shape with a long diameter at the left and right ends and a short diameter at the middle, and the number of the arc-shaped concave shapes is smaller than the number of the concave structures. Through the staggered arrangement of the first shaft lever structure 27 and the second shaft lever structure 28, the first shaft lever structure 27 and the second shaft lever structure 28 are tightly attached together, and the roller shaft 3 is stably rotated due to the stability of the transmission of the first shaft lever structure 27 and the second shaft lever structure 28.
To sum up, when in use, the second movable frame 24 is installed at a proper position on the frame of the digital printing machine, and then the overall output length of the coupling structure 2 is adjusted according to the lengths of the rubber roller and the upper bearing seat of the digital printing machine, specifically:
The electric push rod II 256 stretches, the transverse rod 252 and the positioning rod I251 are pushed to move to the left end through the rotating seat 253, the first positioning rod 251 moves and simultaneously drives the first movable frame 21 to move to the left end synchronously, so that the distance between the first movable disc 26 and the second movable disc 29 is increased, but the first shaft rod structure 27 and the second shaft rod structure 28 are always kept in a jogged state, so that the whole length of the coupling structure 2 can be increased, the electric push rod II 256 shortens, the whole length of the coupling structure 2 can be reduced, the rubber roll 4 can be conveniently used for mounting frames with different widths, different mounting environments can be conveniently used for mounting the rubber roll 4, and convenience in mounting the rubber roll 4 is improved;
The servo motor 1 drives the second movable disk 29 to drive through the output shaft, so that the second shaft lever structure 28 on the second movable disk 29 is meshed with the first shaft lever structure 27 to drive the roll shaft 3 to synchronously drive through the first movable disk 26, and the rubber roll 4 is rotated to realize printing operation;
When the installation space reserved for the servo motor 1 is limited or the wiring is inconvenient, the electric push rod 255 can be extended to drive the cross rod 252 to swing around the rotating seat 253, so that the cross rod 252 drives the movable frame 21 to synchronously swing through the positioning rod 251, the movable frame 21 is inclined, at the moment, the shaft lever structure 28 is in an inclined state, but the shaft lever structure 28 and the shaft lever structure 27 are still in an embedded state, as shown in fig. 10 and 11, so that the meshing transmission of the shaft lever structure 27 and the shaft lever structure 28 is not influenced, the servo motor 1 can be arranged in an inclined state or in a vertical state, the installation length of the servo motor 1 is reduced, the wiring of the servo motor 1 is facilitated, the included angle between the shaft lever structure 28 and the shaft lever structure 27 is adjusted, the uniform meshing transmission between the shaft lever structure 28 and the shaft lever structure 27 is always kept, the shaft lever structure 21 and the movable frame 24 can be adjusted by ninety degrees, the coupling angle is changed in a flexible adjustment mode, and the range of the adjustment angle is greatly increased in the conventional mode;
when the coupling structure needs to be disassembled, the bolt 25d is pulled towards the left end, the bolt 25d presses the dynamic pressure spring 25e to deform and shrink, the plugging state of the bolt 25d and the first locating rod 251 is released, the first locating rod 251 can be taken down from the left locating seat of the cross rod 252, then the first movable frame 21 and the second movable frame 24 can be separated, the coupling is quickly separated and maintained, the maintenance efficiency is improved, the inconvenience in disassembly between the traditional coupling or the flexible joint is changed, and the inconvenient maintenance condition is caused.
The control mode of the invention is controlled by manually starting and closing the switch, the wiring diagram of the power element and the supply of the power supply are common knowledge in the field, and the invention is mainly used for protecting the mechanical device, so the invention does not explain the control mode and the wiring arrangement in detail.
The control mode of the invention is automatically controlled by the controller, the control circuit of the controller can be realized by simple programming of a person skilled in the art, the supply of power also belongs to common knowledge in the art, and the invention is mainly used for protecting a mechanical device, so the invention does not explain the control mode and circuit connection in detail.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a coupling structure for digital calico printing machine rubber roll which characterized in that: comprises a servo motor (1);
The output shaft of the servo motor (1) is connected with the roll shaft (3) through a coupling structure (2), the roll shaft (3) is arranged in the middle of the rubber roll (4), and the rubber roll (4) synchronously rotates along with the roll shaft (3);
The coupling structure (2) comprises a first movable frame (21), a movable groove (22), a movable shaft (23), a second movable frame (24), a telescopic swing mechanism (25), a first movable disk (26), a first shaft rod structure (27), a second shaft rod structure (28) and a second movable disk (29), wherein the second movable disk (29) is in transmission connection with an output shaft of the servo motor (1), the rear end of the first movable frame (21) is provided with the telescopic swing mechanism (25), and the right end of the first movable disk (26) is movably connected with the second movable frame (24); the left end edge of the movable first disk (26) is circumferentially distributed with a first shaft lever structure (27), and the first shaft lever structure (27) is contacted with a second shaft lever structure (28);
The telescopic swing mechanism (25) comprises a first positioning rod (251), a cross rod (252), a rotating seat (253), a connecting plate (254), a first electric push rod (255), a second electric push rod (256), a second positioning rod (257) and a locking mechanism (258), wherein the front end of the first positioning rod (251) is fixed with the first movable frame (21), the first positioning rod (251) is inserted into the left end of the cross rod (252), the right end of the cross rod (252) is movably connected with the inner side of the rotating seat (253), the rotating seat (253) is fixed with the top of the connecting plate (254), one end of the first electric push rod (255) is rotatably connected with the rear side of the connecting plate (254), the other end of the first electric push rod (255) is rotatably connected with the rear end of the cross rod (252), the right end of the rotating seat (253) is provided with the second electric push rod (256), and the left end of the cross rod (252) is provided with the locking mechanism (258).
The locking mechanism (258) comprises a positioning plate (25 a), a first guide seat (25 b), a second guide seat (25 c), a bolt (25 d) and a pressure spring (25 e), wherein the right end of the positioning plate (25 a) is fixed with a transverse rod (252), the first guide seat (25 b) and the second guide seat (25 c) are oppositely arranged on the left side and the right side of the front end of the positioning plate (25 a), the cross section of the bolt (25 d) is of an L-shaped structure, the bolt (25 d) is in sliding fit with the inner sides of the first guide seat (25 b) and the second guide seat (25 c), the right end of the bolt (25 d) is inserted with the first positioning rod (251), the bolt (25 d) penetrates through the middle of the pressure spring (25 e), the pressure spring (25 e) is positioned between the first guide seat (25 b) and the second guide seat (25 c), and the bolt (25 d) is elastically connected with the right end of the first guide seat (25 b) by the pressure spring (25 e);
The movable frame I (21) and the movable frame II (24) have the same structure, the joint of the movable frame I (21) and the movable frame II (24) is provided with a movable groove (22), the movable frame I (21) is movably connected with the left end of the movable frame II (24) by adopting a movable shaft (23), the movable shaft (23) penetrates through the inner side of the movable groove (22), shaft rod structures II (28) are circumferentially distributed at the edge of the right end of the movable disk II (29), the shaft rod structures I (27) and the shaft rod structures II (28) are arranged in a staggered manner, the shaft rod structures I (27) and the shaft rod structures II (28) are tightly attached together, the stability of the transmission of the shaft rod structures I (27) and the shaft rod structures II (28) is improved, and the roller shaft (3) can rotate stably;
The first positioning rod (251) and the second positioning rod (257) are arranged in parallel, the front end of the second positioning rod (257) is fixed with the second movable frame (24), the right end of the second electric push rod (256) is fixedly connected with the second positioning rod (257), the circle center of the rotating seat (253) and the circle of the movable shaft (23) are positioned in the same horizontal direction, and the cross rod (252), the connecting plate (254) and the first electric push rod (255) form a triangle structure;
the first shaft rod structure (27) comprises a round rod (271), an anti-slip layer (272), a threaded rod (273) and a top bead (274), the right end of the threaded rod (273) is movably nested with the top bead (274), the anti-slip layer (272) is distributed on the round rod (271) at equal intervals, the round rod (271) and the left end of the threaded rod (273) are of an integrated structure, the threaded rod (273) is in threaded fit with the inner side of the first movable disk (26), and the anti-slip layer (272) is concave.
2. The coupling structure for a rubber roll of a digital printing machine according to claim 1, wherein: the first movable disk (26) and the second movable disk (29) are symmetrically arranged, the first shaft lever structure (27) and the second shaft lever structure (28) are arranged in a staggered mode and are mutually nested, and the number of the first shaft lever structures (27) is identical to the number of the second shaft lever structures (28).
3. The coupling structure for a rubber roll of a digital printing machine according to claim 1, wherein: the right end of the movable disc II (29) is provided with a protruding shaft (210), and the protruding shaft (210) is connected with the left end of the roll shaft (3).
4. The coupling structure for a rubber roll of a digital printing machine according to claim 1, wherein: the anti-slip layer (272) is in an annular protruding structure and is distributed along the surface of the round rod (271) at equal intervals.
5. The coupling structure for a rubber roll of a digital printing machine according to claim 1, wherein: the anti-slip layer (272) is arc-shaped concave with the variable diameter at the left end and the right end and the variable diameter at the middle part, and is distributed along the surface of the round rod (271) at equal intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410506401.8A CN118088588B (en) | 2024-04-25 | 2024-04-25 | Coupling structure for rubber roller of digital printing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410506401.8A CN118088588B (en) | 2024-04-25 | 2024-04-25 | Coupling structure for rubber roller of digital printing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN118088588A CN118088588A (en) | 2024-05-28 |
| CN118088588B true CN118088588B (en) | 2024-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410506401.8A Active CN118088588B (en) | 2024-04-25 | 2024-04-25 | Coupling structure for rubber roller of digital printing machine |
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| CN (1) | CN118088588B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106200317A (en) * | 2014-08-27 | 2016-12-07 | 株式会社理光 | Drive transmission device and image forming device |
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Denomination of invention: A coupling structure for a roller of a digital printing machine Granted publication date: 20240709 Pledgee: Bank of China Limited by Share Ltd. Jinjiang branch Pledgor: FUJIAN JILONG MACHINE TECHNOLOGIES Co.,Ltd. Registration number: Y2025980044595 |