CN219007339U

CN219007339U - Alignment structure for double-sided printing machine

Info

Publication number: CN219007339U
Application number: CN202223211142.1U
Authority: CN
Inventors: 陈晓建
Original assignee: Rugao Debao Printing Machinery Co ltd
Current assignee: Rugao Debao Printing Machinery Co ltd
Priority date: 2022-12-01
Filing date: 2022-12-01
Publication date: 2023-05-12
Anticipated expiration: 2032-12-01

Abstract

The utility model discloses an alignment structure for a double-sided printing machine, which comprises a support frame, wherein four corners of the bottom end of the support frame are respectively provided with an adjusting structure, the top end of the support frame is provided with an auxiliary structure, a printing roller is arranged in the support frame, two ends of the outer part of the printing roller are respectively provided with a limiting structure, and the limiting structures comprise movable blocks. According to the printing press, the limiting structure is arranged, the pressing block is rotated to drive the pressing block to rotate in the threaded hole, the pressing block is driven to be separated from the threaded hole, the movable block is moved to the middle or two sides outside the printing roller according to the width of paper, the distance between the limiting blocks is slightly larger than the width of the paper, the pressing block is rotatably arranged in the threaded hole, one end of the pressing block is tightly attached to the outer part of the printing roller, the limiting block can be limited, the two sides of the paper can be limited by the limiting block, and the stability of the paper in the printing process is improved.

Description

Alignment structure for double-sided printing machine

Technical Field

The utility model relates to the technical field of printers, in particular to an alignment structure for a double-sided printer.

Background

The printer is a machine for printing characters and images, the working principle of the printer is that characters and images to be printed are firstly made into printing plates, the printing plates are arranged on the printer, then ink is coated on places where the characters and the images exist on the printing plates by manpower or the printer, and then the printing plates are directly or indirectly transferred onto paper or other printing stock, so that the printed matter which is the same as the printing plates is copied, if gaps exist between a printing roller and copied paper in the using process of the printer, the phenomenon of missing printing can be generated, the copying effect is influenced, and therefore, an alignment structure is needed to improve the laminating degree between the paper and the printing roller during copying;

according to the bulletin number: CN 217197341U discloses an alignment structure for a duplex printing machine, which comprises a fixing base plate, printing rollers and an L-shaped support, two support side plates are fixedly connected with two ends of the upper portion of the fixing base plate, mounting holes are formed in the support side plates, bearings are fixedly mounted in the mounting holes, round shafts are fixedly connected with two ends of a printing spoke, the round shafts and inner rings of the bearings are fixedly connected with the L-shaped support symmetrically, sliding holes are formed in the bottoms of the two L-shaped supports and the upper portion of the L-shaped support fixedly connected with the top of the support side plates, sliding columns are slidably mounted in the sliding holes, gaps are formed in the bottom ends of the sliding columns, round rollers are mounted in the gaps in an rotating mode, and side walls of the round rollers are in contact with side walls of the printing rollers. The utility model has the advantages that the condition of missing printing or incomplete printing caused by gaps between the printing wheel and the printing paper can be avoided, the printing effect is effectively improved, and certain economic loss is avoided. However, if the two sides of the paper to be printed are not limited during the use process, the paper can deviate along with the rotation of the printing roller, so that deviation of printing is caused, and there is room for improvement.

Disclosure of Invention

1. Technical problem to be solved

The utility model aims to provide an alignment structure for a double-sided printing machine, which is used for solving the problems in the prior art.

2. Summary of the utility model

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides an alignment structure for double-sided printing machine, includes the support frame, four corners of support frame bottom all are provided with adjustment structure, the top of support frame is provided with auxiliary structure, the internally mounted of support frame has the printing roller, and the outside both ends of printing roller all are provided with limit structure, limit structure includes movable block, the both sides outside the printing roller are all installed to the movable block, the stopper is installed to one side of movable block, and the inside of stopper all installs the rubber circle, the inside both ends of movable block all are provided with the screw hole, and the briquetting is all installed to the inside of screw hole.

Preferably, the auxiliary structure comprises a movable rod, the movable rod is uniformly arranged at the top end of the inside of the supporting frame, the pull plate is arranged at the top end of the movable rod, the bottom end of the outside of the movable rod is provided with a telescopic spring, the bottom end of the movable rod is provided with a movable frame, and the inside of the movable frame is movably provided with a limiting roller.

Preferably, the lengths of the movable rods are equal, and the movable rods are distributed at equal intervals in the top end of the support frame.

Preferably, the internal thread inside the threaded hole and the external thread outside the pressing block are mutually matched, and the internal thread inside the threaded hole and the external thread outside the pressing block form threaded connection.

Preferably, the sizes of the threaded holes are equal, and the threaded holes are symmetrically distributed about the central axis of the movable block.

Preferably, the adjusting structure comprises fixing blocks, the fixing blocks are all installed at four corners of the bottom end of the supporting frame, preformed holes are formed in the fixing blocks, threaded blocks are all installed in the preformed holes, supporting blocks are all installed at the bottom ends of the threaded blocks, and rubber pads are all installed at the bottom ends of the supporting blocks.

Preferably, the internal thread is arranged in the preformed hole, the internal thread in the preformed hole and the thread block are mutually matched, and the internal thread in the preformed hole and the thread block form threaded connection.

3. Advantageous effects

The alignment structure for the double-sided printing machine has the advantages that:

through being provided with limit structure, rotate the briquetting, can drive the briquetting and rotate in the inside of screw hole, just can drive the briquetting and break away from the inside of screw hole thereupon, according to the width of paper, move the movable block to the centre or both sides in the outside of printing roller, make the distance between the stopper slightly greater than the width of paper, install the inside of screw hole at the pressurization piece rotation, make the outside of printing roller of the inseparable laminating of one end of briquetting, can carry out spacingly to the stopper, the stopper can carry out spacingly to the both sides of paper, increase the stability of paper in the printing process, make the device be convenient for carry out spacingly to the both sides of paper;

through being provided with the regulation structure, rotate the supporting shoe, can drive the screw thread piece and reciprocate in the inside of preformed hole, according to the levelness of placing the face, adjust four supporting shoes to suitable position, make supporting shoe support frame be in horizontal position, the rubber pad can improve the frictional force of supporting shoe bottom, the stability of increasing the support frame and placing, prevent that the support frame from producing the slope, influence the effect that needs printing paper, make the device be convenient for adjust the levelness of placing of support frame;

through being provided with auxiliary structure, upwards pulling arm-tie can drive the movable rod and upwards remove, consequently alright drive spacing roller along with movable frame upwards remove, with the paper centre gripping that needs the printing between printing roller and spacing roller, loosen the arm-tie of pulling, can drive spacing roller along with the extension spring resets, the printing roller is at the in-process of printing, under the effect of extension spring, can drive spacing roller closely laminating on the top of printing paper, can make the bottom of paper closely laminate the top of printing roller, prevent to produce the clearance between paper and the printing roller, cause the phenomenon of skip printing, make the device be convenient for spacing to the paper, increase the laminating degree of paper and printing roller.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic cross-sectional elevation view of the present utility model;

FIG. 2 is a schematic side sectional view of the present utility model;

FIG. 3 is a schematic view of a partial perspective cross-sectional structure of a limiting structure according to the present utility model;

fig. 4 is a schematic perspective sectional view of an adjusting structure of the present utility model.

Reference numerals in the drawings illustrate:

1. a support frame; 2. an auxiliary structure; 201. a movable rod; 202. pulling a plate; 203. a telescopic spring; 204. a movable frame; 205. a limit roller; 3. a limit structure; 301. a movable block; 302. a limiting block; 303. a rubber ring; 304. a threaded hole; 305. briquetting; 4. an adjustment structure; 401. a fixed block; 402. a preformed hole; 403. a screw block; 404. a support block; 405. a rubber pad; 5. and (3) a printing roller.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by one of ordinary skill in the art without inventive faculty, are intended to be within the scope of the present utility model, based on the embodiments of the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-4, an embodiment of the present utility model is provided: the utility model provides an alignment structure for double-sided printing machine, including support frame 1, four corners of support frame 1 bottom all are provided with adjustment structure 4, the top of support frame 1 is provided with auxiliary structure 2, the internally mounted of support frame 1 has printing roller 5, and the outside both ends of printing roller 5 all are provided with limit structure 3, limit structure 3 includes movable block 301, the both sides outside printing roller 5 are all installed to movable block 301, stopper 302 is installed to one side of movable block 301, and the rubber circle 303 is all installed to stopper 302's inside, the both ends of movable block 301 inside all are provided with screw hole 304, and the briquetting 305 is all installed to screw hole 304's inside, the internal thread of screw hole 304 inside and the external screw of briquetting 305 are mutually adapted, the internal thread of screw hole 304 and the external screw of briquetting 305 constitute threaded connection, the size of screw hole 304 equals, screw hole 304 is symmetrical distribution about the axis of movable block 301, be convenient for fix;

specifically, as shown in fig. 1 and 3, when the structure is used, the pressing block 305 is rotated to drive the pressing block 305 to separate from the inside of the movable frame 204, the movable block 301 is moved to the middle or middle position, so that the limiting blocks 302 are positioned at two sides of paper, the pressing block 305 is reversely rotated to drive the pressing block 305 to be screwed into the threaded holes 304, one end of the pressing block 305 is regulated to be closely attached to one end of the printing roller 5, the movable block 301 can be fixed, the printing roller 5 rotates to print the paper at the top end, and in the printing process, the limiting blocks 302 limit two sides of the paper, so that the stability of the paper is increased, and the phenomenon of paper deviation is prevented;

the auxiliary structure 2 comprises movable rods 201, wherein the movable rods 201 are uniformly arranged at the top end of the inside of the support frame 1, pull plates 202 are arranged at the top ends of the movable rods 201, extension springs 203 are arranged at the bottom ends of the outside of the movable rods 201, movable frames 204 are arranged at the bottom ends of the movable rods 201, limit rollers 205 are movably arranged in the movable frames 204, the lengths of the movable rods 201 are equal, and the movable rods 201 are distributed at equal intervals in the inside of the top end of the support frame 1 so as to be convenient to support;

specifically, as shown in fig. 1 and fig. 2, when the structure is used, the pull plate 202 is pulled upwards, the movable rod 201 is driven to move upwards, the limit roller 205 is driven to move upwards along with the movable frame 204, the paper to be printed is placed between the limit roller 205 and the printing roller 5, and under the tension of the telescopic spring 203, the limit roller 205 is driven to tightly press the top end of the paper, so that the paper is more attached to the top end of the printing roller 5;

the adjusting structure 4 comprises fixing blocks 401, the fixing blocks 401 are all arranged at four corners of the bottom end of the supporting frame 1, reserved holes 402 are formed in the fixing blocks 401, threaded blocks 403 are all arranged in the reserved holes 402, supporting blocks 404 are all arranged at the bottom ends of the threaded blocks 403, rubber pads 405 are all arranged at the bottom ends of the supporting blocks 404, internal threads are arranged in the reserved holes 402, the internal threads in the reserved holes 402 are mutually matched with the threaded blocks 403, and the internal threads in the reserved holes 402 are in threaded connection with the threaded blocks 403, so that levelness can be conveniently adjusted;

specifically, as shown in fig. 1 and fig. 4, when the structure is used, the support frame 1 is placed at a position where the support frame is required to be used, if the placement surface is inclined, the support block 404 at the lower position is rotated to drive the screw block 403 to rotate, and as the screw block 403 is mutually matched with the internal threads inside the reserved hole 402, the screw block 403 can be driven to move downwards inside the reserved hole 402, the support block 404 is adjusted to support the support frame 1 at a horizontal position, so that the support frame 1 is horizontal, the stability of subsequent printing is improved, the friction force between the support block 404 and the placement surface is increased by the rubber pad 405, and the placement is more stable.

Working principle: when the printing machine is used, firstly, the support frame 1 is placed at a position to be used, if the placement surface is inclined, the support block 404 at the lower position is rotated to drive the thread block 403 to rotate, and as the thread block 403 and the internal threads in the reserved hole 402 are mutually matched, the thread block 403 can be driven to move downwards in the reserved hole 402, the support block 404 is adjusted to support the support frame 1 at the horizontal position, so that the support frame 1 is horizontal, the stability of subsequent printing is improved, the friction force between the support block 404 and the placement surface is increased by the rubber pad 405, and the placement is more stable; secondly, when the pull plate 202 is pulled upwards, the movable rod 201 is driven to move upwards, namely the limit roller 205 is driven to move upwards along with the movable frame 204, paper to be printed is placed between the limit roller 205 and the printing roller 5, and under the tension of the telescopic spring 203, the limit roller 205 is driven to tightly press the top end of the paper, so that the paper is more attached to the top end of the printing roller 5; finally, the pressing block 305 is rotated to drive the pressing block 305 to separate from the inside of the movable frame 204, the movable block 301 is moved to the middle or middle position, so that the limiting blocks 302 are positioned at the two sides of the paper, the pressing block 305 is reversely rotated to drive the pressing block 305 to be screwed into the threaded holes 304, one end of the pressing block 305 is adjusted to be tightly attached to one end of the printing roller 5, the movable block 301 can be fixed, the printing roller 5 rotates, the paper at the top end can be printed, the limiting blocks 302 limit the two sides of the paper in the printing process, the stability of the paper is increased, and the paper is prevented from being deviated.

The apparatus embodiments described above are merely illustrative, wherein the elements illustrated as separate elements may or may not be physically separate, and the elements shown as elements may or may not be physical elements, may be located in one place, or may be distributed over a plurality of network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art will understand and implement the present utility model without undue burden.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. The utility model provides an alignment structure for double-sided printing machine, includes support frame (1), its characterized in that: four corners of support frame (1) bottom all are provided with adjustment structure (4), the top of support frame (1) is provided with auxiliary structure (2), internally mounted of support frame (1) has printing roller (5), and all is provided with limit structure (3) at the outside both ends of printing roller (5), limit structure (3) are including movable block (301), the both sides outside printing roller (5) are all installed in movable block (301), stopper (302) are installed to one side of movable block (301), and rubber circle (303) are all installed to the inside of stopper (302), the inside both ends of movable block (301) all are provided with screw hole (304), and briquetting (305) are all installed to the inside of screw hole (304).

2. The alignment structure for a duplex printer according to claim 1, wherein: auxiliary structure (2) are including movable rod (201), the top in support frame (1) is evenly installed to movable rod (201), arm-tie (202) are installed on the top of movable rod (201), extension spring (203) are all installed to the outside bottom of movable rod (201), movable frame (204) are installed to the bottom of movable rod (201), and the inside movable mounting of movable frame (204) has spacing roller (205).

3. An alignment structure for a duplex printer according to claim 2, wherein: the lengths of the movable rods (201) are equal, and the movable rods (201) are distributed at equal intervals in the top end of the supporting frame (1).

4. The alignment structure for a duplex printer according to claim 1, wherein: the internal thread inside the threaded hole (304) and the external thread outside the pressing block (305) are mutually matched, and the internal thread inside the threaded hole (304) and the external thread outside the pressing block (305) form threaded connection.

5. The alignment structure for a duplex printer according to claim 1, wherein: the sizes of the threaded holes (304) are equal, and the threaded holes (304) are symmetrically distributed relative to the central axis of the movable block (301).

6. The alignment structure for a duplex printer according to claim 1, wherein: the adjusting structure (4) comprises fixing blocks (401), the fixing blocks (401) are all installed at four corners of the bottom end of the supporting frame (1), preformed holes (402) are formed in the fixing blocks (401), threaded blocks (403) are all installed in the preformed holes (402), supporting blocks (404) are all installed at the bottom ends of the threaded blocks (403), and rubber pads (405) are all installed at the bottom ends of the supporting blocks (404).

7. The alignment structure for a duplex printer according to claim 6, wherein: the inside of preformed hole (402) is provided with the internal thread, the internal thread and the screw thread piece (403) in preformed hole (402) inside are mutually adapted, the internal thread and the screw thread piece (403) in preformed hole (402) inside constitute threaded connection.