CN104760406B - A kind of high speed double width wallpaper line cuts intaglio press - Google Patents

Abstract

The invention discloses a high-speed double-width wallpaper in-line slitting gravure printing machine, which includes a frame, a left support and a right support are arranged on the frame, and a device that can rotate relative to the frame is installed between the left support and the right support. The cutter shaft, the left support and the right support are respectively equipped with spacing adjustment screw rods, one end of the cutter shaft is connected to the cutter shaft motor, and three lower cutters are installed on the cutter shaft, and the sides of the lower cutters are equipped with corresponding Pneumatic cutter, 2 spacing adjustment screw rods are screwed with a linkage plate, one end of the linkage plate is connected to the left lower cutter or right lower cutter, the other end is connected to the pneumatic cutter matched with the left lower cutter or right lower cutter and the pneumatic cutter Sliding mounted above the tool shaft. This structure does not need to add a slitting machine for secondary slitting, which improves production efficiency. The slitting width can be adjusted by adjusting the spacing and adjusting the screw rod. , to prevent the product from producing burrs.

Description

A high-speed double-width wallpaper in-line slitting gravure printing machine

technical field

The invention relates to the technical field of printing machinery and equipment, in particular to a high-speed double-width wallpaper in-line slitting gravure printing machine.

Background technique

Wallpaper in-line slitting gravure printing machine, a kind of gravure printing equipment used for wallpaper decoration. After the wallpaper is printed, it will cut the edge directly online. The printed wallpaper is mainly used for decoration in hotels, homes, offices and other places. The existing The wallpaper connection line slitting gravure printing machine is printed with a single width, mainly including the printing part and the slitting part. The main components of the printing part are gravure printing color group, printing plate roller, high temperature foaming oven, etc. It includes two pneumatic cutters and two lower cutters. The two lower cutters are respectively driven by two speed-regulating motors. The blades of the pneumatic cutters are driven by the blades of the lower cutters. Cutting, although the above structure is simple, it has the following defects: 1. Due to the poor synchronization of the two lower cutters, the product is prone to burrs after slitting; It is necessary to add a slitting machine for secondary slitting when printing, which not only increases the production cost, but also reduces the production efficiency. At the same time, due to the different stretchability of each batch of wallpaper materials after printing, and the difference in the tension matching degree of the slitting machine, As a result, the double-width printed matter is not centered and the cutting accuracy is low; 3, the above structure adjusts the distance between the two groups of cutters by replacing the spacer to cut wallpapers of different widths, which is troublesome to operate.

Contents of the invention

In order to overcome the deficiencies of the prior art, the present invention provides a high-speed double-width wallpaper in-line slitting gravure printing machine that reduces costs, improves production efficiency and production quality, and is easy to operate.

The technical solution adopted by the present invention to solve its technical problems is:

A high-speed double-width wallpaper in-line slitting gravure printing machine includes a frame, a printing mechanism and a slitting mechanism. The slitting mechanism includes a left support and a right support arranged on the frame. The left support and the right support A knife shaft that can rotate relative to the frame is installed between the seats, and a spacing adjustment screw rod is installed on the left support and the right support respectively. One end of the knife shaft is connected with a knife shaft motor that drives it to rotate. 3 lower cutters, the 3 lower cutters include left lower cutter, right lower cutter and middle lower cutter, and the sides of the lower cutters are equipped with matching pneumatic cutters, and the two spacing adjustment screw rods are screwed with linkage One end of the linkage plate is connected with the lower left cutter or the lower right cutter, and the other end is connected with the pneumatic cutter matched with the lower left cutter or the lower right cutter and the pneumatic cutter is slidably installed on the top of the cutter shaft.

As an improvement of the above technical solution, the two spacing adjusting screw rods are connected to the knife shaft through the connecting plate, the spacing adjusting screw rods and the knife shafts are both connected to the connecting plate in rotation, and the pneumatic valves that cooperate with the middle and lower cutters The cutting knife is connected with the connecting plate and moves with the connecting plate. The left support or the right support is rotatably connected with a deviation correction adjustment screw rod, and the deviation correction adjustment screw screw is screwed on the connection plate. The rotating shaft of the cutter shaft motor A sliding sleeve that drives the cutter shaft to rotate and is slidably matched with the cutter shaft is connected.

As a further improvement of the above technical solution, a guide rod for guiding the movement of the linkage plate and the connecting plate is installed between the left support and the right support, and the two ends of the guide rod are supported on the left support and the right support respectively. on the stand.

Further, the pneumatic cutter matched with the middle and lower cutter is connected with a mounting seat fixedly connected with the guide rod, the guide rod is fixedly connected with the connecting plate, and the left support, the right support and the linkage plate are all connected with the guide rod sliding connection

Further, the cutter shaft includes two or three cutter rods, which are detachably connected by fixing sleeves.

Further, the knife rod is provided with a groove along its axial direction, and the inner wall of the fixed sleeve is provided with a protrusion that slides and fits with the groove, and the fixed sleeve is locked on the knife rod by screws.

Further, an included angle A is formed between the lower cutter and the blade of the pneumatic cutter, and 0°<A≤3°.

Further, the pneumatic cutter includes a knife base, the knife base is connected with a bracket that can rotate relative to it, and the bracket is locked on the cutter base by screws, and the blade is rotatably connected to the bracket.

Further, the pneumatic cutter is slidably installed on the fixed seat and locked on the fixed seat by bolts, and the sliding direction of the pneumatic cutter is consistent with the axial direction of the cutter shaft.

Further, the two sides of the cutter shaft perpendicular to the axial direction are respectively provided with conveying guide rollers, and the two ends of the conveying guide rollers are installed on the left support and the right support respectively.

The beneficial effect of the present invention is that: since the present invention is provided with 3 lower cutters and 3 pneumatic cutters matched with them, the double-width printed matter can be cut into two widths through line trimming and middle splitting without adding an independent cutting machine. Secondary slitting reduces the cost and improves the production efficiency; the present invention can adjust the distance between the lower left cutter and the lower middle cutter, the lower right cutter and the lower middle cutter by adjusting two spacing adjustment screw rods, and adjust the distance between the lower left cutter and the lower left cutter accordingly. The position of the pneumatic cutter corresponding to the cutter and the lower right cutter makes the spacing of the cutter group adjustable, so as to apply to the cutting of single and double wallpapers of different widths, without changing the spacer, and the operation is convenient and fast. At the same time, by adjusting the spacing and adjusting the screw rod, it can effectively solve the problem of misalignment of the double-width printed matter caused by the difference in elasticity of the printed wallpaper, and improve the cutting accuracy; and the three lower cutters of the present invention are linked by the knife shaft to ensure The rotation speeds of the three lower cutters are synchronized, and the blades of the three lower cutters drive the blades of the corresponding pneumatic cutters to rotate, ensuring the synchronization of the three sets of cutters and preventing burrs from slitting products.

Description of drawings

Further description will be given below in conjunction with accompanying drawings and examples.

Fig. 1 is a structural representation of the present invention;

Fig. 2 is the back view of the present invention;

Fig. 3 is the bottom view of the present invention;

Fig. 4 is a structural schematic diagram of a fixed sleeve;

Fig. 5 is a schematic structural view of the pneumatic cutter.

Detailed ways

The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments.

Referring to Figures 1 to 5, a high-speed double-width wallpaper in-line slitting gravure printing machine of the present invention includes a frame, a printing mechanism and a slitting mechanism, and the slitting mechanism includes a left support 11 and a right support on the frame. Bearing 12, the cutter shaft 20 that can rotate relative to the frame is installed between described left bearing 11 and the right bearing 12, and spacing adjusting screw mandrel 40 is respectively installed on the left bearing 11 and the right bearing 12, described Both sides of the cutter shaft perpendicular to its axial direction are respectively provided with conveying guide rollers 3, and the two ends of the conveying guide rollers 3 are installed on the left support 11 and the right support 12 respectively, and one end of the cutter shaft 20 is connected with a drive It rotates the cutter shaft motor 211. The cutter shaft motor 211 is preferably a speed-regulating motor, which can easily adjust the rotation speed of the cutter shaft 20 to adapt to different working conditions. In this embodiment, the cutter shaft motor 211 is installed on the right On the support 12, certainly, the cutter shaft motor 211 also can be installed on the left support or on other positions of the frame. 3 lower cutters are installed on the described knife shaft 20, and 3 lower cutters comprise left lower cutter 221, right lower cutter 223 and middle lower cutter 222, and the pneumatic cutter 50 that cooperates with it is all provided with next cutter side. The two spacing adjustment screw rods 40 are both screwed with a linkage plate 41 , and here, the linkage plate 41 is screwed with the spacing adjustment screw rod 40 through a first nut. One end of the linkage plate 41 is connected to the lower left cutter 221 or the lower right cutter 223, and the other end is connected to the pneumatic cutter 50 matched with the lower left cutter 221 or the lower right cutter 223, and the pneumatic cutter 50 is slidably mounted on the top of the cutter shaft 20 .

Since the present invention is provided with 3 lower cutters and 3 pneumatic cutters 50 matched therewith, the double-width printed matter can be cut into two widths with line trimming and middle splitting, and there is no need to add an independent splitting machine for secondary splitting, reducing The cost is reduced and the production efficiency is improved; the present invention can adjust the distance between the lower left cutter 221 and the lower middle cutter 222, the lower right cutter 223 and the lower middle cutter 222 by adjusting 2 spacing adjustment screw rods 40, and correspondingly adjust the distance between the lower left cutter 221 and the lower middle cutter 222, and adjust accordingly. The position of the pneumatic cutter 50 corresponding to the knife 221 and the lower right cutter 223 makes the spacing of the cutter group adjustable, so as to be suitable for the cutting of single-wall paper and double-wall paper with different widths, without changing the spacer, and easy to operate Fast, and at the same time, by adjusting the spacing and adjusting the screw rod 40, it can effectively solve the problem of misalignment of the double-width printed matter caused by the difference in the flexibility of the printed wallpaper, and improve the cutting accuracy; and the three lower cutters of the present invention pass through the knife shaft 20 linkage to ensure that the rotation speeds of the three lower cutters are synchronized, and the blades of the three lower cutters drive the blades of the corresponding pneumatic cutters 50 to rotate, ensuring the synchronization of the three sets of cutters and preventing burrs from slitting products.

Generally, the printing machine will be equipped with a single-roller deviation correction mechanism. Although it can better solve the problem of pattern misalignment during the slitting process caused by the printed matter moving left and right relative to the center after printing is completed, the printed matter enters the center after the single-roller deviation correction is completed. There is still a distance before cutting, and the wallpaper will have a slight deviation relative to the center. In order to improve the cutting accuracy, the two spacing adjustment screw rods 40 are connected to the cutter shaft 20 through the connecting plate 61, and the spacing adjustment screw rods 40. The cutter shafts 20 are all rotatably connected to the connection plate 61, the pneumatic cutter 50 matched with the middle and lower cutter 222 is connected to the connection plate 61 and moves with the connection plate 61, the left support 11 or the right support 12 The upper rotation is connected with a deviation correction adjustment screw 60, and the deviation correction adjustment screw 60 is screwed on the connecting plate 61, and the rotating shaft of the cutter shaft motor 211 is connected with a sliding sleeve that drives the rotation of the cutter shaft 20 and slides with the cutter shaft 20. 212. When correcting the deviation, you only need to adjust the deviation-correcting adjustment screw 60 to move the three groups of cutters to the right or left as a whole to compensate for the deviation of the wallpaper relative to the center position during the transmission process, and there is no need to adjust the two spacing adjustment screws separately 40. It is not only easy to operate, but also can ensure the same width and high adjustment accuracy. In order to improve the adjustment accuracy of the screw rods, the pitch adjusting screw rod 40 and the deviation correction adjusting screw rod 60 are preferably ball screw rods.

Further, a guide rod 7 guiding the movement of the linkage plate 41 and the connecting plate 61 is installed between the left support 11 and the right support 12, and the two ends of the guide rod 7 are respectively supported on the left support 11 and the right support 12. On the right support 12. Here, the guide rod 7 not only guides the linkage plate 41 and the cutter group installed thereon, the connecting plate 61 and the cutter shaft 20 installed thereon, but also supports the cutter shaft 20, Therefore, there is no need to make the two ends of the cutter shaft 20 slide and fit respectively with the left support 11 and the right support 12, thereby avoiding the installation of the cutter shaft 20 due to the sliding fit with the two supports and the rotational connection with the sliding sleeve 212 during the installation process. Interference problem, easy installation and processing. In this embodiment, the pneumatic cutter 50 matched with the middle and lower cutter 222 is connected with a mounting seat 51 fixedly connected with the guide rod 7, the guide rod 7 is fixedly connected with the connecting plate 61, and the left support 11, The right bearing 12 and the linkage plate 41 are all slidably connected with the guide rod 7 . Here, the guide rod 7 also serves as a connecting piece between the middle and lower cutting blade 222 and the connecting plate 61 , so that the number of components is reduced and the structure is simple.

In order to facilitate the replacement of the lower cutter, the cutter shaft 20 includes two or three cutter bars 201 , and the cutter bars 201 are detachably connected by a fixing sleeve 202 . When replacing the lower cutter with this structure, only the fixed sleeve 202 needs to be disassembled, and the lower cutter can be quickly disassembled and replaced at the disconnected position of the cutter shaft 20 without disassembling the two ends of the entire cutter shaft 20, which is easy to operate. In order to simplify the structure and disassembly steps, in this embodiment, the cutter shaft 20 is provided with two cutter bars 201 .

Further, the knife rod 201 is provided with a groove 2011 along its axial direction, and the inner wall of the fixed sleeve 202 is provided with a protrusion 2021 which is slidingly fitted with the groove 2011, and the fixed sleeve 202 is locked on the knife rod 201 by screws . This structure can adjust the length of the entire cutter shaft 20 through the sliding fit between the protrusion 2021 and the groove 2011, thereby widening the width range of the printed matter applicable to the present invention and improving the application range of the present invention. Preferably, the tail end of the screw abuts against the bottom of the groove 2011 to form a surface contact to ensure that the screw is tightened in place and the connection between the fixing sleeve 202 and the tool bar 201 is reliable.

Further, an included angle A is formed between the lower cutter and the blade of the pneumatic cutter 50, 0°<A≤3°, so that the cut edge after slitting is a beveled edge, preventing the wallpaper from undercutting and burring.

In order to facilitate the adjustment of the angle A between the lower cutter and the blade of the pneumatic cutter 50, the pneumatic cutter 50 includes a knife seat 501, the knife seat 501 is connected with a bracket 502 that can rotate relative to it and the bracket 502 is locked by a screw 503 Tightly on the cutter seat 501, the support 502 is rotatably connected with a blade. In this structure, by loosening the screw 503 and rotating the bracket 502, an included angle can be formed between the blade of the pneumatic cutter 50 and the blade of the lower cutter. The user can flexibly adjust the included angle between the lower cutter and the blade of the pneumatic cutter 50 according to the material and thickness of the wallpaper, so as to prevent the wallpaper from undercutting and burring.

Further, the pneumatic cutter 50 is slidably installed on the fixed seat 52 and locked on the fixed seat 52 by bolts, the sliding direction of the pneumatic cutter 50 is consistent with the axial direction of the knife shaft 20, preferably, the fixed seat 52 is provided with A dovetail table that slides with the pneumatic cutter 50. This structure can slide and adjust the position of the pneumatic cutter 50 on the fixed seat 52 by loosening the bolts, thereby adjusting the distance between the pneumatic cutter 50 and the blade of the lower cutter to ensure that the wallpaper is not torn during the cutting process , to ensure the cutting quality.

Of course, the present invention may have other structural modifications besides the above-mentioned embodiments, and these equivalent technical solutions shall also be within the protection scope thereof.

Claims (10)

1. a kind of high speed double width wallpaper line cuts intaglio press, it is characterised in that：Including rack, printing mechanism and cutting machine Structure, cutting mechanism include the left support abutment being arranged in rack（11）And right support abutment（12）, the left support abutment（11）And right support abutment（12） Between be equipped with can be with respect to the cutter shaft of gantry rotation（20）, the left support abutment（11）And right support abutment（12）On be separately installed with spacing Adjust screw（40）, the cutter shaft（20）One end is connected with the knife shaft motor of its rotation of driving（211）, cutter shaft（20）On be equipped with 3 lower cutters, 3 lower cutters include lower-left cutter（221）, bottom right cutter（223）With middle lower cutter（222）, by lower cutter side It is equipped with matched Pneumatic cutter（50）, 2 spacing adjusting screw（40）It is bolted with linkage board（41）, linkage board （41）One end connects lower-left cutter（221）Or bottom right cutter（223）, the other end connects and lower-left cutter（221）Or bottom right cutter （223）The Pneumatic cutter of cooperation（50）And the Pneumatic cutter（50）It is slidably mounted on cutter shaft（20）Top.

2. a kind of high speed double width wallpaper line cutting intaglio press according to claim 1, it is characterised in that：Described 2 A spacing adjusts screw（40）Pass through connecting plate（61）With cutter shaft（20）Connection, the spacing adjust screw（40）, cutter shaft （20）It is rotatably connected on connecting plate（61）On, described and middle lower cutter（222）The Pneumatic cutter of cooperation（50）With connecting plate （61）It connects and follows connecting plate（61）It is mobile, the left support abutment（11）Or right support abutment（12）On be rotatably connected to correction adjust silk Bar（60）, the correction adjusting screw（60）It is screwed onto connecting plate（61）On, the knife shaft motor（211）Shaft be connected with band Movable arbor（20）Rotation and and cutter shaft（20）The sliding sleeve being slidably matched（212）.

3. a kind of high speed double width wallpaper line cutting intaglio press according to claim 2, it is characterised in that：The left side Bearing（11）And right support abutment（12）Between be equipped with to linkage board（41）And connecting plate（61）The guide rod that is oriented to of movement （7）, the guide rod（7）Both ends be respectively supported at left support abutment（11）And right support abutment（12）On.

4. a kind of high speed double width wallpaper line cutting intaglio press according to claim 3, it is characterised in that：It is described with Middle lower cutter（222）The Pneumatic cutter of cooperation（50）It is connected with and guide rod（7）The mounting base being fixedly connected（51）, the guide rod （7）With connecting plate（61）It is fixedly connected, the left support abutment（11）, right support abutment（12）, linkage board（41）And guide rod（7）The company of slip It connects.

5. a kind of high speed double width wallpaper line cutting intaglio press according to any one of claims 1 to 4, feature exist In：The cutter shaft（20）Including two or three knife bars（201）, knife bar（201）Between pass through fixing sleeve（202）Detachably connect It connects.

6. a kind of high speed double width wallpaper line cutting intaglio press according to claim 5, it is characterised in that：The knife Bar（201）It is axially set along it fluted（2011）, the fixing sleeve（202）Inner wall be equipped with and groove（2011）Slip is matched somebody with somebody The protrusion of conjunction（2021）, fixing sleeve（202）By screw lock in knife bar（201）On.

7. a kind of high speed double width wallpaper line cutting intaglio press according to claim 1, it is characterised in that：Under described Cutter and Pneumatic cutter（50）Blade between form included angle A, 0 °<A≤3°.

8. a kind of high speed double width wallpaper line cutting intaglio press according to claim 1, it is characterised in that：The gas Dynamic cutter（50）Including tool apron（501）, tool apron（501）It is connected with the stent that can be rotated to it（502）And the stent（502）It is logical Cross screw（503）It is locked at cutter seat（501）On, stent（502）On be rotatably connected to blade.

9. a kind of high speed double width wallpaper line cutting intaglio press according to claim 1, it is characterised in that：The gas Dynamic cutter（50）It is slidably mounted on fixed seat（52）It goes up and passes through bolt and be locked at fixed seat（52）On, Pneumatic cutter（50）Cunning Dynamic direction and cutter shaft（20）It is axial consistent.

10. a kind of high speed double width wallpaper line cutting intaglio press according to claim 1, it is characterised in that：It is described Cutter shaft is respectively equipped with transfer guide roller perpendicular to its axial both sides（3）, the transfer guide roller（3）Both ends be separately mounted to left branch Seat（11）And right support abutment（12）On.