CN213387067U

CN213387067U - Paper crease-resist structure for printing equipment

Info

Publication number: CN213387067U
Application number: CN202022393744.8U
Authority: CN
Inventors: 顾锦源; 唐伟
Original assignee: Wuxi Haiboyuan Packaging Technology Co ltd
Current assignee: Wuxi Haiboyuan Packaging Technology Co ltd
Priority date: 2020-10-23
Filing date: 2020-10-23
Publication date: 2021-06-08
Anticipated expiration: 2030-10-23

Abstract

The utility model belongs to the technical field of the packing printing and specifically relates to a paper crease-resistant structure for lithography apparatus is related to, and it includes the frame, be connected with crease-resistant mechanism in the frame, crease-resistant mechanism is including two mounting panels that are located frame width direction both sides, the installing frame that is used for supporting tight roller and is used for the bearing to support tight roller of tight paper, the mounting panel is vertical connection in the frame, the installing frame is connected between the top of two mounting panels, it connects in the installing frame to support tight roller rotation, it is parallel with the width direction of frame to support tight roller, be connected with in the frame and be used for carrying out the hold-down mechanism that compresses tightly to the both sides of paper, hold-down mechanism is connected with on the length direction of frame and is no less than two sets ofly, and. The paper conveying device has the effects of reducing the occurrence of wrinkles or uneven surface conditions generated in the conveying process of paper and improving the printing precision and the product quality.

Description

Paper crease-resist structure for printing equipment

Technical Field

The application relates to the field of package printing, in particular to a paper crease-resistant structure for printing equipment.

Background

In the production process in the technical field of packaging and printing, printing equipment is often adopted to process paper, labels and the like due to a plurality of printing processes. The printing equipment comprises a letterpress printing machine, an intaglio printing machine, a screen printing machine, a digital printing machine and the like, and the production efficiency of printing and packaging products is greatly improved.

Chinese patent publication No. CN109334238A discloses an inkjet digital printing machine for intaglio printing, which comprises a control system, and an unwinding device, a printing device, a curing device, and a winding device connected to the control system, and breaks the structure of the traditional single intaglio printing mechanism, and an inkjet digital printing mechanism is arranged between the winding device and the intaglio printing mechanism.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: the requirements for the thickness of paper are different under different application scenes, and when a thin or easily-deformed paper tape is processed, the paper is easy to wrinkle or have uneven surface in the conveying process, so that the printing effect is influenced, and the product quality is reduced.

SUMMERY OF THE UTILITY MODEL

In order to reduce the occurrence of the condition that the paper generates wrinkles or surface unevenness in the conveying process and improve the printing precision and the product quality, the application provides a paper crease-resistant structure for printing equipment.

The application provides a paper crease-resistance structure for lithography apparatus adopts following technical scheme:

the utility model provides a paper crease-resistance structure for lithography apparatus, includes the frame, be connected with crease-resistance mechanism in the frame, crease-resistance mechanism is including two mounting panels that are located frame width direction both sides, the installing frame that is used for supporting tight roller of tight paper and is used for the bearing to support tight roller, the mounting panel is vertical connection in the frame, the installing frame is connected between the top of two mounting panels, support tight roller and rotate to be connected in the installing frame, it is parallel with the width direction of frame to support tight roller, be connected with the hold-down mechanism who is used for compressing tightly the both sides of paper in the frame, hold-down mechanism is connected with on the length direction of frame and is no less than two sets ofly, and is located the both sides of supporting tight.

Through adopting above-mentioned technical scheme, in the course of the work, the paper gets into and compresses tightly the subassembly, compresses tightly by compressing tightly the subassembly to the both sides limit of paper, and the paper laminating continues forward conveying in the upper surface that supports the tight roller afterwards, and the paper has eliminated surperficial fold and unevenness under the tight expansion effect of supporting the tight roller simultaneously to reach the paper and carry out the purpose of crease-resistance in printing process, improved printing precision and product quality.

Optionally, the pressing mechanism comprises two pressing assemblies which are arranged in a mirror image mode in the width direction of the rack, each pressing assembly comprises a supporting plate, a first pressing roller and a second pressing roller, the supporting plates are fixedly connected to the rack in a vertical mode, the first pressing rollers and the second pressing rollers are sequentially connected to the supporting plates in a rotating mode from bottom to top, and the paper is pressed between the first pressing rollers and the second pressing rollers.

Through adopting above-mentioned technical scheme, after the paper got into crease-resistance mechanism, two sides were compressed tightly jointly by first pinch roller and second pinch roller for the paper is in the state of tightening, reduces the possibility that the fold appears among the paper transportation process.

Optionally, the support plate is sequentially connected with a first installation shaft and a second installation shaft from bottom to top, the first installation shaft is fixedly connected to the support plate and is perpendicular to the support plate, and the first pinch roller is installed on the first installation shaft; the supporting plate is provided with a yielding port, the yielding port is located above the first installation shaft, the second installation shaft slides in the yielding port and is perpendicular to the supporting plate, the second pressing roller is installed on the second installation shaft, and one end, away from the second pressing roller, of the second installation shaft penetrates through the clamping block fixedly connected with the yielding port.

Through adopting above-mentioned technical scheme, when the paper of printing different thickness, the position of second pinch roller can be in letting the mouth in, adjust down for equipment can process the paper of different thickness, and the pressure that compresses tightly the subassembly when preventing the paper from being too thin is not enough, can't place the condition between first pinch roller and second pinch roller when the paper is too thick.

Optionally, a first connecting sleeve is in threaded connection with the first mounting shaft, and the first compression roller is rotatably sleeved on the first connecting sleeve; and a second connecting sleeve is connected to the second mounting shaft in a threaded manner, and the second pinch roller is rotatably sleeved on the second connecting sleeve.

Through adopting above-mentioned technical scheme, the threaded connection of first adapter sleeve and first installation axle, second adapter sleeve and second installation axle for it is more convenient to compress tightly the dismantlement of subassembly, is convenient for change when the subassembly damages.

Optionally, be vertical wearing to be equipped with the guide bar in the second installation axle, guide bar and second installation axle sliding connection, the one end fixed connection of guide bar is in first installation axle, and other end fixedly connected with separation blade, the extrusion has the application of force pressure spring between separation blade and the second installation axle.

Through adopting above-mentioned technical scheme, the application of force pressure spring is owing to receive the compression, and itself produces the elasticity of below, and elasticity acts on second installation axle, and second installation axle drives the second pinch roller and receives decurrent effort, has improved the effect that compresses tightly to the paper.

Optionally, two sides of the first compression roller are respectively provided with a first fixing ring, and the first fixing rings are fixedly sleeved on the first connecting sleeve; and two sides of the second compression roller are respectively provided with a second fixing ring, and the second fixing rings are fixedly sleeved on the second connecting sleeve.

By adopting the technical scheme, the first fixing ring reduces the possibility that the first compression roller falls off from the first connecting sleeve in the working process; the second fixing ring reduces the possibility that the second pressure roller falls off from the second connecting sleeve in the working process.

Optionally, the both sides of mounting panel are the vertical connecting plate that is equipped with respectively, connecting plate fixed connection is in the frame, the axis of rotation is worn to be equipped with on the mounting panel fixedly, the axis of rotation rotates respectively and connects in the mounting panel, wear to be equipped with the fastening bolt who is used for supporting the tight mounting panel on the connecting plate, fastening bolt threaded connection is in the connecting plate.

Through adopting above-mentioned technical scheme, the axis of rotation drives the mounting panel and can rotate angle regulation between two connecting plates for support tight roller can correspondingly carry out the adjustment of height, not the tight expansion of supporting to the paper of equidimension.

Optionally, the installation height of the abutting roller is higher than that of the second pressing roller.

Through adopting above-mentioned technical scheme, support tight roller and be higher than second pinch roller for the paper furthest is supported tightly and is expanded, has improved crease-resistance effect.

In summary, the present application includes at least one of the following beneficial technical effects:

1. after the paper enters the device, two side edges are pressed and fixed by the pressing component, then the paper is conveyed forwards continuously along the pressing roller, the pressing roller presses and expands the paper attached to the pressing roller, wrinkles and unevenness on the surface of the paper are eliminated, and the effects of preventing wrinkles and improving the product quality are achieved;

2. the distance between the first pressing roller and the second pressing roller can be adjusted in the abdicating opening, so that the device can be applied to paper with different thicknesses;

3. the angle of the mounting plate is adjusted and then the mounting plate is fixed and locked, so that the paper can be tightly supported and unfolded to different degrees in different application scenes.

Drawings

Fig. 1 is a schematic structural diagram for embodying an embodiment of the present application.

Fig. 2 is a partially enlarged schematic view for embodying point a in fig. 1.

Description of reference numerals: 1. a frame; 12. a hold-down mechanism; 2. a compression assembly; 21. a support plate; 211. a let position port; 22. a first pressure roller; 221. a first mounting shaft; 222. a first connecting sleeve; 23. a second pressure roller; 231. a second mounting shaft; 2311. a clamping block; 232. a second connecting sleeve; 241. a first retaining ring; 242. a second retaining ring; 25. applying a force to compress the spring; 251. a guide bar; 252. a baffle plate; 3. a crease-resist mechanism; 31. mounting a plate; 311. a connecting plate; 312. a rotating shaft; 313. fastening a bolt; 32. a tightening roller; 33. and (5) installing the frame.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses a paper crease-resistance structure for printing equipment. Referring to fig. 1, the paper wrinkle preventing structure for a printing apparatus includes a frame 1, and a pressing mechanism 12 for pressing both sides of paper and a wrinkle preventing mechanism 3 for spreading the paper are connected to the frame 1. Wherein, two groups of pressing mechanisms 12 are arranged in the width direction of the frame 1 and are respectively positioned at two sides of the anti-creasing mechanism 3.

Referring to fig. 1, the pressing mechanism 12 includes two pressing assemblies 2 arranged in a mirror image in the width direction of the frame 1, and the pressing assemblies 2 include a support plate 21, a first pressing roller 22, and a second pressing roller 23. Wherein the backup pad 21 is vertical fixed connection in frame 1, and sets up with the upper surface of frame 1 vertical, and first pressure roller 22 and second pressure roller 23 rotate in proper order from bottom to top and connect in frame 1, and the paper compresses tightly between first pressure roller 22 and second pressure roller 23.

Referring to fig. 1, a first mounting shaft 221 is fixedly connected to the support plate 21, the first mounting shaft 221 is perpendicular to the support plate 21, and two first mounting shafts 221 of the same set of pressing assemblies 2 are located between the two support plates 21. One end of the first mounting shaft 221, which is far away from the support plate 21, is connected with a first connecting sleeve 222 in a threaded manner, and the first pinch roller 22 is rotatably sleeved outside the first connecting sleeve 222.

Referring to fig. 1, first fixing rings 241 are respectively disposed on two sides of the first pressure roller 22, the first fixing rings 241 are fixedly sleeved on the first connection sleeve 222, and the first fixing rings 241 are used for preventing the first pressure roller 22 from falling off from the first connection sleeve 222.

Referring to fig. 1, the support plate 21 is vertically provided with a yielding opening 211, the yielding opening 211 is located above the first mounting shaft 221, a second mounting shaft 231 slides in the yielding opening 211, and the second mounting shaft 231 is parallel to the first mounting shaft 221. One end of the second mounting shaft 231 penetrating the abdicating hole 211 is fixedly connected with a circular clamping block 2311, and when the distance between the second mounting shaft 231 and the first mounting shaft 221 needs to be adjusted, the second mounting shaft 231 can be moved up and down in the abdicating hole 211.

Referring to fig. 1, a second connecting sleeve 232 is threadedly connected to the second mounting shaft 231, and the second pinch roller 23 is rotatably sleeved outside the second connecting sleeve 232. The two sides of the second pressure roller 23 are respectively provided with a second fixing ring 242, the second fixing ring 242 is fixedly sleeved on the second connecting sleeve 232, and the second fixing ring 242 is used for preventing the second pressure roller 23 from falling off from the second connecting sleeve 232.

Referring to fig. 1, the second pressure roller 23 is located above the first pressure roller 22, and is attached to the first pressure roller 22. When the first pressing roller 22 is damaged after being used for a period of time, the first connecting sleeve 222 in threaded connection with the first pressing roller 22 can be unscrewed, and then the first pressing roller 22 is detached and replaced; when the second pressure roller 23 is damaged after being used for a period of time, the second connecting sleeve 232 connected with the second pressure roller 23 can be loosened, and then the second pressure roller 23 is detached and replaced.

Referring to fig. 1, a guide rod 251 vertically penetrates through the second mounting shaft 231, and the guide rod 251 is slidably connected with the second mounting shaft 231. One end of the guide rod 251 is fixedly connected to the first mounting shaft 221, the other end is fixedly connected to the blocking piece 252, and a force application pressure spring 25 is squeezed between the blocking piece 252 and the second mounting shaft 231.

Referring to fig. 1, when paper needs to be clamped between a first pressure roller 22 and a second pressure roller 23, a worker lifts the second pressure roller 23 upward, so that a gap is left between the first pressure roller 22 and the second pressure roller 23, the paper is placed in the gap, and then external force is removed to enable the second pressure roller 23 to be attached to the paper. At this time, the force application pressure spring 25 is in a compressed state, downward elastic force is applied to the second mounting shaft 231, and the second mounting shaft 231 drives the second pinch roller 23 to simultaneously receive downward acting force, so that the paper compression effect is improved.

Referring to fig. 1, the wrinkle preventing mechanism 3 includes two mounting plates 31 located on both sides of the frame 1 in the width direction, a resist roller 32 for resisting paper, and a mounting frame 33 for supporting the resist roller 32. Wherein the mounting panel 31 is vertical rotation and connects the upper surface in frame 1, and mounting frame 33 fixed connection is between the top of two mounting panels 31, supports tight roller 32 and rotates to be connected in mounting frame 33. The length direction of the abutting roller 32 is parallel to the width direction of the frame 1, and the installation height of the abutting roller 32 is higher than that of the second pressing roller 23.

Referring to fig. 1, in operation, after passing through the pressing assembly 2 located in front of the abutting roller 32, the paper is attached to the surface of the abutting roller 32, is unfolded by the abutting roller 32, and then continues to enter the pressing assembly 2 located behind the abutting roller 32.

Referring to fig. 2, two sides of the mounting plate 31 are respectively provided with a connecting plate 311, the connecting plate 311 is fixedly connected to the frame 1, and the connecting plate 311 is perpendicular to the upper surface of the frame 1. A rotating shaft 312 is fixedly arranged in the mounting plate 31 in a penetrating manner, the rotating shaft 312 is rotatably connected to the two connecting plates 311, and fastening bolts 313 used for abutting against the mounting plate 31 are connected to the connecting plates 311 in a threaded manner.

Referring to fig. 2, the worker may rotate the angle of the mounting plate 31 according to the requirement of processing the paper, thereby adjusting the mounting height of the abutment roller 32. When the mounting plate 31 is rotated to a desired angle, the fastening bolt 313 is tightened to fix.

The implementation principle of the paper crease-resistance structure for the printing equipment is as follows: after the paper enters the device, the side edges are simultaneously pressed from the upper and lower surfaces by the first pressing roller 22 and the second pressing roller 23 of the first row of pressing assemblies 2, so that the paper continues to advance in a stretched state. Then, the paper is attached to the upper surface of the abutting roller 32 upwards and continues to advance, the abutting roller 32 transversely abuts the paper, after wrinkles and unevenness on the surface of the paper are eliminated, the paper is conveyed forwards continuously and enters the second row of pressing components 2, and the two side edges are pressed continuously.

When the paper is thick, the second installation shaft 231 can move upwards along the abdicating opening 211, and the second installation shaft 231 drives the second connection sleeve 232 and the second pressure roller 23 to move upwards at the same time, so that the pressure assembly 2 is adapted to the thickness of the paper. When the height of the abutting roller 32 needs to be adjusted, the fastening bolts 313 are loosened to rotatably adjust the angle of the mounting plate 31, and when the angle is adjusted to the required angle, the fastening bolts 313 on the two sides of the mounting plate 31 are screwed to lock and fix the mounting plate 31.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a paper crease-resistance structure for lithography apparatus, includes frame (1), its characterized in that: be connected with crease-resistance mechanism (3) on frame (1), crease-resistance mechanism (3) are including two mounting panels (31) that are located frame (1) width direction both sides, are used for supporting tight roller (32) and be used for the bearing to support mounting frame (33) of tight roller (32), mounting panel (31) are vertical connection in frame (1), mounting frame (33) are connected between the top of two mounting panels (31), it rotates to connect in mounting frame (33) to support tight roller (32), it is parallel with the width direction of frame (1) to support tight roller (32), be connected with on frame (1) and be used for carrying out the hold-down mechanism (12) that compresses tightly to the both sides of paper, hold-down mechanism (12) are connected with on the length direction of frame (1) and are no less than two sets ofly, and are located the both sides of supporting tight roller (32).

2. The paper wrinkle preventing structure for printing apparatus as claimed in claim 1, wherein: hold-down mechanism (12) include two hold-down assembly (2) that are the mirror image setting on the width direction of frame (1), hold-down assembly (2) are including backup pad (21), first pinch roller (22) and second pinch roller (23), backup pad (21) are vertical fixed connection in frame (1), first pinch roller (22) and second pinch roller (23) from top to bottom rotate in proper order and connect in backup pad (21), and the paper compresses tightly between first pinch roller (22) and second pinch roller (23).

3. The paper wrinkle preventing structure for printing apparatus as claimed in claim 2, wherein: the supporting plate (21) is sequentially connected with a first mounting shaft (221) and a second mounting shaft (231) from bottom to top, the first mounting shaft (221) is fixedly connected to the supporting plate (21) and is perpendicular to the supporting plate (21), and the first pressing roller (22) is mounted on the first mounting shaft (221); the supporting plate (21) is provided with a yielding port (211), the yielding port (211) is located above the first mounting shaft (221), the second mounting shaft (231) slides in the yielding port (211) and is perpendicular to the supporting plate (21), the second pressing roller (23) is mounted on the second mounting shaft (231), and one end, far away from the second pressing roller (23), of the second mounting shaft (231) penetrates through the yielding port (211) and then is fixedly connected with a clamping block (2311).

4. The paper wrinkle preventing structure for printing apparatus as claimed in claim 3, wherein: a first connecting sleeve (222) is connected to the first mounting shaft (221) in a threaded manner, and the first pressing roller (22) is rotatably sleeved on the first connecting sleeve (222); and a second connecting sleeve (232) is connected to the second mounting shaft (231) in a threaded manner, and the second pressing roller (23) is rotatably sleeved on the second connecting sleeve (232).

5. The paper wrinkle preventing structure for printing apparatus as claimed in claim 3, wherein: be vertical guide bar (251) of wearing to be equipped with in second installation axle (231), guide bar (251) and second installation axle (231) sliding connection, the one end fixed connection in first installation axle (221) of guide bar (251), other end fixedly connected with separation blade (252), it has application of force pressure spring (25) to extrude between separation blade (252) and second installation axle (231).

6. The paper wrinkle preventing structure for printing apparatus as claimed in claim 4, wherein: two sides of the first compression roller (22) are respectively provided with a first fixing ring (241), and the first fixing ring (241) is fixedly sleeved on the first connecting sleeve (222); and two sides of the second compression roller (23) are respectively provided with a second fixing ring (242), and the second fixing ring (242) is fixedly sleeved on the second connecting sleeve (232).

7. The paper wrinkle preventing structure for printing apparatus as claimed in claim 1, wherein: the both sides of mounting panel (31) are vertical connecting plate (311) of being equipped with respectively, connecting plate (311) fixed connection is on frame (1), fixed axis of rotation (312) of wearing to be equipped with on mounting panel (31), axis of rotation (312) rotate respectively and connect in mounting panel (31), wear to be equipped with fastening bolt (313) that are used for supporting tight mounting panel (31) on connecting plate (311), fastening bolt (313) threaded connection is in connecting plate (311).

8. The paper wrinkle preventing structure for printing apparatus as claimed in claim 2, wherein: the installation height of the abutting roller (32) is higher than that of the second pressing roller (23).