An on-line oiling device dedicated to lithography

Abstract

A special online oiling device for lithographic printing, the present invention relates to the technical field of oiling devices, which comprises an oiling roller and a frame; the left and right ends of the oiling roller are connected to the left and right frames; an oiling mechanism is arranged above the oiling roller; the oiling mechanism is arranged below the oiling mechanism, and the oiling mechanism is connected to the oiling roller; a tensioning mechanism is respectively arranged on the oiling mechanism and the front and rear sides of the oiling mechanism; it is convenient to adjust the flow range of varnish according to the width of the printed matter, reduce waste and pollution, avoid varnish overflow, make the varnish fully and evenly adhere to the printed matter, and improve the efficiency of oiling.

Description

Technical Field

[0001] The invention relates to the technical field of oiling devices, in particular to an online oiling device dedicated to lithographic printing. Background Art

[0002] After lithographic printing, varnish needs to be applied on the printed matter to make the color of the printed matter more vivid, prolong the shelf life, and prevent corrosion and moisture. The currently used oiling device generally drips varnish on an oiling roller, places the printed matter against the oiling roller, and applies the varnish. This oiling method easily leads to excessive varnish and contamination of the back of the printed matter, and the varnish cannot be evenly adhered to the printed matter. Therefore, an online oiling device dedicated to lithographic printing is proposed. Summary of the Invention

[0003] The purpose of the present invention is to address the defects and shortcomings of the existing technology and propose an online oiling device specifically for lithographic printing, which is convenient for adjusting the flow range of varnish according to the width of the printed matter, reducing waste and pollution; avoiding varnish overflow, so that the varnish is fully and evenly adhered to the printed matter, and improving the efficiency of oiling.

[0004] To achieve the above object, the technical solution adopted by the present invention is as follows: it comprises an oiling roller and a frame; the left and right ends of the oiling roller are connected to the left and right frames;

[0005] It also contains:

[0006] An oiling mechanism is provided above the oiling roller;

[0007] An oiling mechanism, which is arranged below the oiling mechanism and is connected to the oiling roller;

[0008] There are two tensioning mechanisms, which are respectively arranged on the front and rear sides of the oiling mechanism and the oiling mechanism;

[0009] Through the above technical solution design, varnish is added through the oil adding mechanism, the oiling mechanism makes the varnish evenly cover the oiling roller, the printed matter is placed under the oiling roller, and the tensioning mechanism makes the printed matter taut for easy oiling.

[0010] Preferably, the oil adding mechanism comprises:

[0011] An electric telescopic rod, which is arranged on the right side of the right frame, is connected to the rear frame through a bracket, and is connected to an external power supply;

[0012] The oil storage tank is arranged above the right side of the frame and is connected to the bracket of the electric telescopic rod through a support leg; a cover body is embedded in the top opening of the oil storage tank, a connecting rod is fixed to the upper end of the cover body, and the connecting rod is connected to the movable end of the electric telescopic rod; an oil outlet pipe is connected to the bottom of the oil storage tank and has an "L"-shaped structure;

[0013] The drippers are multiple and are evenly distributed and connected to the bottom of the oil outlet pipe; the drippers have a built-in solenoid valve, which is connected to an external power supply;

[0014] Through the above technical solution design, the electric telescopic rod is started to drive the cover body to rise, and varnish is added to the oil storage tank. The electric telescopic rod is started again to drive the cover body to descend, and the varnish is pressed into the oil outlet pipe. According to the width of the printed matter, the solenoid valve of the corresponding dripper is opened to make the varnish drip.

[0015] Preferably, the oiling mechanism comprises:

[0016] An oiling roller, wherein the left and right ends of the oiling roller are respectively connected to the left and right frames, and the oiling roller is driven by a motor; the oiling roller is arranged above and behind the oiling roller; a plurality of drippers are arranged above the oiling roller, and the axis of the oiling roller is arranged behind the drippers;

[0017] The anti-overflow frame is two in number and is an "8"-shaped structure. The upper and lower rings of the anti-overflow frame are respectively embedded in the ring walls of the oil roller and the oil roller; the middle front inner walls of the two anti-overflow frames are fixed with internal threaded tubes, and screws are inserted into the internal threaded tubes through threaded connection. The two screws are respectively connected to the output shaft of the double-headed motor, and the double-headed motor is connected to an external power supply; the double-headed motor is connected to the frames on both sides through a bracket;

[0018] Through the above technical solution design, according to the width of the printed matter, the double-headed motor is started to rotate the screw, driving the internal threaded tube to rotate, so that the two anti-overflow racks move, and the distance between the two anti-overflow racks is consistent with the width of the printed matter; the motor on the oiling roller is started to rotate the oiling roller, and when the varnish in the dripper drips onto the oiling roller, the axis of the oiling roller is set behind the dripper, so that the varnish drips onto the oiling roller and flows forward and downward along the oiling roller, so that the varnish flows on the oiling roller, and the oiling roller rotates to apply the varnish on the printed matter, making it easier to apply oil.

[0019] Preferably, the tensioning mechanism comprises:

[0020] A tensioning roller is provided between the left and right frames, and the front and rear of the tensioning roller are both screwed to a mounting plate via bearings;

[0021] There are two adjusting rods, each of which is fixed to the bottom of the first mounting plate;

[0022] There are two adjusting tubes, each of which is movably sleeved on the bottom of the adjusting rod. A second mounting plate is fixed between the bottoms of the two adjusting tubes, and the left and right ends of the second mounting plate are respectively fixed to the left and right frames; a spring is fixed to the upper end of the adjusting tube, and the spring is movably sleeved on the adjusting rod, and the upper end of the spring is fixed to the bottom of the first mounting plate;

[0023] With the above technical solution, when the printed material rests against the bottom of the oiling roller, the tensioning rollers on both sides lift the printed material under the action of the springs, so that the printed material fits the oiling roller.

[0024] Preferably, a connecting plate is fixed between the outer sides of the bottoms of the two No. 1 mounting plates connected to the same tensioning roller; a connecting rope is fixed to the bottom of the connecting plate by screws; two front and rear rotating motors are fixed to the left wall of the right frame, and the rotating motors are connected to an external power supply; a rotating shaft is fixed to the output shaft of the rotating motor, and the other end of the rotating shaft is screwed to the front frame through a bearing; the other end of the connecting rope is fixed to the rotating shaft;

[0025] Through the above technical solution design, the rotating motor is started and the rotating shaft rotates, so that the connecting rope is wound around the rotating shaft, driving the connecting plate to press down, so that the No. 1 mounting plate moves downward, driving the tensioning roller to move downward, making it easier to insert printed materials.

[0026] Preferably, two adjustment shafts are provided at the bottom between the connecting plate and the rotating shaft, and the two ends of the adjustment shafts are respectively screwed to the frames on both sides; after the connecting rope passes around the lower parts of the two adjustment shafts, the portion of the connecting rope provided at the bottom of the connecting plate and the rotating shaft is vertically arranged;

[0027] Through the above technical solution, the portion of the connecting rope disposed at the bottom of the connecting plate and the rotating shaft is vertically arranged, so that the connecting plate is vertically stressed for easy movement.

[0028] Preferably, a scraper is provided on the front side of the oil roller, and both ends of the scraper are passed through the anti-overflow frames on both sides, and the two ends of the scraper are fixed to the frames on both sides;

[0029] With the above technical solution, when varnish drips onto the oiling roller, the scraper will pre-scrape it flat, so that the varnish will be smoother when it flows onto the oiling roller.

[0030] Compared with the prior art, the present invention has the following beneficial effects:

[0031] 1. Equipped with an oil adding mechanism to adjust the flow range of varnish according to the width of the printed material, reducing waste and pollution;

[0032] 2. Equipped with oiling mechanism and tensioning mechanism to avoid varnish overflow, so that the varnish can be fully and evenly adhered to the printed matter, improving the efficiency of oiling. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0034] Figure 1 It is a southwest isometric view of the present invention.

[0035] Figure 2 It is a schematic structural diagram of the present invention after the front frame is removed.

[0036] Figure 3 yes Figure 2 Enlarged view of part A in .

[0037] Figure 4 yes Figure 2 Enlarged view of part B in .

[0038] Figure 5 yes Figure 2 Enlarged view of part C in .

[0039] Figure 6 It is a structural schematic diagram of the anti-overflow frame in the present invention.

[0040] Description of reference numerals:

[0041] Oiling roller 1, frame 2, oiling mechanism 3, electric telescopic rod 3-1, oil storage tank 3-2, cover 3-3, connecting rod 3-4, oil outlet pipe 3-5, dripper 3-6, oiling mechanism 4, oiling roller 4-1, anti-overflow frame 4-2, internal threaded pipe 4-3, screw 4-4, double-headed motor 4-5, tensioning mechanism 5, tensioning roller 5-1, No. 1 mounting plate 5-2, adjusting rod 5-3, adjusting tube 5-4, No. 2 mounting plate 5-5, connecting plate 5-6, connecting rope 5-7, rotating motor 5-8, rotating shaft 5-9, adjusting shaft 5-10, spring 5-11, scraper 6. DETAILED DESCRIPTION

[0042] The present invention will be further described below with reference to the accompanying drawings.

[0043] Example 1

[0044] See also Figure 1-2 The present embodiment 1 comprises an oiling roller 1 and a frame 2; the left and right ends of the oiling roller 1 are connected to the left and right frames 2, and the driving method of the oiling roller 1 is consistent with the driving principle of the oiling roller 1 of the lithographic printing dedicated online machine in the prior art;

[0045] It also contains:

[0046] The oil adding mechanism 3 is provided above the oiling roller 1;

[0047] The oiling mechanism 4 is provided below the oiling mechanism 3 and is connected to the oiling roller 1;

[0048] There are two tensioning mechanisms 5, which are respectively arranged on the front and rear sides of the oiling mechanism 3 and the oiling mechanism 4;

[0049] In Example 1, varnish is added through the oiling mechanism 3, and the oiling mechanism 4 makes the varnish evenly cover the oiling roller 1. The printed matter is placed under the oiling roller 1, and the tensioning mechanism 5 makes the printed matter taut for easy oiling.

[0050] Example 2

[0051] See also Figure 1-2 On the basis of Example 1, the oil adding mechanism 3 comprises:

[0052] The electric telescopic rod 3-1 is arranged on the right side of the right frame 2. The electric telescopic rod 3-1 is connected to the rear frame 2 through a bracket. The electric telescopic rod 3-1 is connected to an external power supply. The specific model of the electric telescopic rod 3-1 is purchased and installed directly from the market according to actual use requirements.

[0053] The oil storage tank 3-2 is arranged above the frame 2 on the right side. The oil storage tank 3-2 is connected to the bracket of the electric telescopic rod 3-1 through a support leg. A cover 3-3 is embedded in the top opening of the oil storage tank 3-2. A connecting rod 3-4 is fixed to the upper end of the cover 3-3 by bolts. The connecting rod 3-4 is connected to the movable end of the electric telescopic rod 3-1 by bolts. An oil outlet pipe 3-5 is connected to the bottom of the oil storage tank 3-2. The oil outlet pipe 3-5 is an "L"-shaped structure.

[0054] The drippers 3-6 are multiple in number and are evenly spaced and connected to the bottom of the oil outlet pipe 3-5; the drippers 3-6 have a built-in solenoid valve, which is connected to an external power supply;

[0055] In this embodiment, the electric telescopic rod 3-1 is started to drive the cover body 3-3 to rise, and varnish is added to the oil storage tank 3-2. The electric telescopic rod 3-1 is started again to drive the cover body 3-3 to descend, and the varnish is pressed into the oil outlet pipe 3-5. According to the width of the printed matter, the solenoid valve of the corresponding dripper 3-6 is opened to make the varnish drip.

[0056] Example 3

[0057] See also Figure 1 、 Figure 2 、 Figure 3 and Figure 6On the basis of Example 2, the oiling mechanism 4 comprises:

[0058] An oiling roller 4-1, the left and right ends of which are respectively connected to the left and right frames 2, and the oiling roller 4-1 is driven by a motor; the oiling roller 4-1 is arranged above and behind the oiling roller 1; a plurality of drippers 3-6 are arranged above the oiling roller 4-1, and the axis of the oiling roller 4-1 is arranged behind the drippers 3-6;

[0059] Anti-overflow frame 4-2, the number of the anti-overflow frame 4-2 is two, and the anti-overflow frame 4-2 is an "8"-shaped structure, the upper and lower rings of the anti-overflow frame 4-2 are respectively embedded in the ring walls of the oil roller 4-1 and the oil roller 1; the middle front inner walls of the two anti-overflow frames 4-2 are fixed with internal threaded tubes 4-3 by bolts, and the internal threaded tubes 4-3 are provided with screws 4-4 through threaded rotation. The two screws 4-4 are respectively connected to the output shaft of the double-headed motor 4-5, and the double-headed motor 4-5 is connected to an external power supply. The specific model of the double-headed motor 4-5 is directly purchased and installed from the market according to actual use requirements; the double-headed motor 4-5 is connected to the frames 2 on both sides through brackets;

[0060] With this embodiment, according to the width of the printed matter, the double-headed motor 4-5 is started, so that the screw 4-4 rotates, driving the internal threaded tube 4-3 to rotate, so that the two anti-overflow frames 4-2 move, and the distance between the two anti-overflow frames 4-2 conforms to the width of the printed matter; the motor on the oil roller 4-1 is started to rotate the oil roller 4-1, and when the varnish in the dripper 3-6 drips onto the oil roller 4-1, the axis of the oil roller 4-1 is set behind the dripper 3-6, so that the varnish drips onto the oil roller 4-1 and flows forward and downward along the oil roller 4-1, so that the varnish flows on the oiling roller 1, and the oiling roller 1 rotates to apply the varnish on the printed matter to facilitate oiling.

[0061] Example 4

[0062] See also Figure 1 、 Figure 2 and Figure 4 On the basis of Example 3, the tensioning mechanism 5 includes:

[0063] A tensioning roller 5-1 is provided between the left and right frames 2, and the front and rear of the tensioning roller 5-1 are both screwed to a mounting plate 5-2 via bearings;

[0064] Adjustment rods 5-3, there are two adjustment rods 5-3, and each is fixed to the bottom of the first mounting plate 5-2 by a bolt;

[0065] Adjusting tubes 5-4, the number of said adjusting tubes 5-4 is two, and they are movably sleeved on the bottom of the adjusting rod 5-3, and a second mounting plate 5-5 is fixed between the bottoms of the two adjusting tubes 5-4 by bolts, and the left and right ends of the second mounting plate 5-5 are respectively fixed to the left and right frames 2; a spring 5-11 is fixed to the upper end of the adjusting tube 5-4, and the spring 5-11 is movably sleeved on the adjusting rod 5-3, and the upper end of the spring 5-11 is fixed to the bottom of the first mounting plate 5-2;

[0066] With this embodiment, when the printed matter rests against the bottom of the oiling roller 1 , the tension rollers 5 - 1 on both sides lift the printed matter under the action of the springs, so that the printed matter fits the oiling roller 1 .

[0067] Example 5

[0068] See also Figure 1 、 Figure 2 and Figure 5 On the basis of Example 4, a connecting plate 5-6 is fixed between the outer sides of the bottom of the two No. 1 mounting plates 5-2 connected to the same tensioning roller 5-1 by bolts; a connecting rope 5-7 is fixed to the bottom of the connecting plate 5-6 by screws; two front and rear rotating motors 5-8 are fixed to the left side wall of the right frame 2 by bolts, and the rotating motor 5-8 is connected to an external power supply. The specific model of the rotating motor 5-8 is directly purchased and installed on the market according to actual use requirements; a rotating shaft 5-9 is fixed to the output shaft of the rotating motor 5-8 by bolts, and the other end of the rotating shaft 5-9 is screwed to the front frame 2 through a bearing; the other end of the connecting rope 5-7 is fixed to the rotating shaft 5-9;

[0069] With this embodiment, the rotating motor 5-8 is started, and the rotating shaft 5-9 rotates, so that the connecting rope 5-7 is wound around the rotating shaft 5-9, driving the connecting plate 5-6 to press down, so that the No. 1 mounting plate 5-2 moves downward, driving the tensioning roller 5-1 to move downward, so as to facilitate the insertion of printed materials.

[0070] Example 6

[0071] See also Figure 5 On the basis of Example 5, two adjusting shafts 5-10 are provided at the bottom between the connecting plate 5-6 and the rotating shaft 5-9, and the two ends of the adjusting shaft 5-10 are respectively screwed to the frames 2 on both sides; after the connecting rope 5-7 passes around the lower parts of the two adjusting shafts 5-10, the part of the connecting rope 5-7 provided at the bottom of the connecting plate 5-6 and the rotating shaft 5-9 is vertically arranged;

[0072] With this embodiment, the portion of the connecting rope 5-7 disposed at the bottom of the connecting plate 5-6 and the rotating shaft 5-9 is vertically arranged, so that the connecting plate 5-6 is subjected to vertical force and is easy to move.

[0073] Example 7

[0074] See also Figure 1-2 On the basis of Example 3, a scraper 6 is provided on the front side of the oil roller 4-1, and both ends of the scraper 6 are passed through the anti-overflow frame 4-2 on both sides, and the two ends of the scraper 6 are fixed to the frame 2 on both sides;

[0075] With this embodiment, when the varnish drips onto the oiling roller 4 - 1 , the scraper 6 will pre-scrape it flat, so that the varnish flows more evenly onto the oiling roller 1 .

[0076] When the present invention is in use, the electric telescopic rod 3-1 is started to drive the cover body 3-3 to rise, and varnish is added to the oil storage tank 3-2. The electric telescopic rod 3-1 is started again to drive the cover body 3-3 to descend, and the varnish is pressed into the oil outlet pipe 3-5. According to the width of the printed matter, the double-headed motor 4-5 is started to rotate the screw 4-4, which drives the internal threaded tube 4-3 to rotate, so that the two anti-overflow frames 4-2 move, and the distance between the two anti-overflow frames 4-2 meets the width of the printed matter; the rotating motor 5-8 is started, the rotating shaft 5-9 rotates, so that the connecting rope 5-7 is wound around the rotating shaft 5-9, and the connecting plate 5-6 is pressed down, so that the No. 1 mounting plate 5-2 moves downward, and the tensioning roller 5-1 moves downward to facilitate the insertion of printed matter; the oiling roller 1 is driven to rotate, and the oiling roller 4-1 is started. The motor rotates the oil roller 4-1; according to the width of the printed matter, the solenoid valve corresponding to the dripper 3-6 is opened to make the varnish drip. When the varnish in the dripper 3-6 drips onto the oil roller 4-1, the axis of the oil roller 4-1 is set behind the dripper 3-6, so that the varnish drips onto the oil roller 4-1 and flows forward and downward along the oil roller 4-1, so that the varnish flows onto the oiling roller 1. When the varnish drips onto the oiling roller 4-1, the scraper 6 is scraped flat in advance, so that the varnish is smoother when it flows onto the oiling roller 1. The oiling roller 1 rotates, and the printed matter is pressed against the bottom of the oiling roller 1, and the varnish is applied to the printed matter to facilitate oiling. When the printed matter is pressed against the bottom of the oiling roller 1, the tensioning rollers 5-1 on both sides lift the printed matter under the action of the spring, so that the printed matter fits the oiling roller 1.

[0077] After adopting the above structure, the beneficial effects of this specific embodiment are:

[0078] 1. Equipped with an oil adding mechanism 3, it is convenient to adjust the flow range of varnish according to the width of the printed material, reducing waste and pollution;

[0079] 2. An oiling mechanism 4 and a tensioning mechanism 5 are provided to prevent varnish from overflowing, so that the varnish can be fully and evenly adhered to the printed matter, thereby improving the efficiency of oiling.

[0080] The above description is only used to illustrate the technical solution of the present invention and is not intended to limit it. Other modifications or equivalent substitutions made to the technical solution of the present invention by ordinary technicians in this field should be included in the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solution of the present invention.

Claims

1. An online oiling device for lithographic printing, comprising an oiling roller (1) and a frame (2); the left and right ends of the oiling roller (1) are connected to the left and right frames (2); It is characterized by: It also contains: An oiling mechanism (3) is provided above the oiling roller (1); the oiling mechanism (3) comprises: An electric telescopic rod (3-1), the electric telescopic rod (3-1) being arranged on the right side of the right side frame (2), the electric telescopic rod (3-1) being connected to the rear side frame (2) via a bracket, and the electric telescopic rod (3-1) being connected to an external power supply; An oil storage tank (3-2) is provided above the right-side frame (2), and the oil storage tank (3-2) is connected to the bracket of the electric telescopic rod (3-1) via a support leg; a cover body (3-3) is embedded in the top opening of the oil storage tank (3-2), a connecting rod (3-4) is fixed to the upper end of the cover body (3-3), and the connecting rod (3-4) is connected to the movable end of the electric telescopic rod (3-1); an oil outlet pipe (3-5) is connected to the bottom of the oil storage tank (3-2), and the oil outlet pipe (3-5) is an "L"-shaped structure; The drippers (3-6) are multiple in number and are evenly spaced and connected to the bottom of the oil outlet pipe (3-5); the drippers (3-6) have a built-in solenoid valve, which is connected to an external power supply; An oiling mechanism (4), the oiling mechanism (4) is arranged below the oiling mechanism (3), and the oiling mechanism (4) is connected to the oiling roller (1); the oiling mechanism (4) comprises: An oiling roller (4-1), wherein the left and right ends of the oiling roller (4-1) are respectively connected to the left and right frames (2), and the oiling roller (4-1) is driven by a motor; the oiling roller (4-1) is arranged above and behind the oiling roller (1); a plurality of drippers (3-6) are all arranged above the oiling roller (4-1), and the axis of the oiling roller (4-1) is arranged behind the drippers (3-6); The anti-overflow frame (4-2) is provided in two pieces, and the anti-overflow frame (4-2) is an "8"-shaped structure, and the upper and lower rings of the anti-overflow frame (4-2) are respectively embedded in the ring walls of the oil roller (4-1) and the oiling roller (1); an internal threaded tube (4-3) is fixed to the middle front inner side walls of the two anti-overflow frames (4-2), and a screw rod (4-4) is inserted into the internal threaded tube (4-3) through a threaded connection, and the two screw rods (4-4) are respectively connected to the output shaft of the double-headed motor (4-5), and the double-headed motor (4-5) is connected to an external power supply; the double-headed motor (4-5) is connected to the frames (2) on both sides through a bracket; The tensioning mechanism (5) is two in number and is respectively arranged on the front and rear sides of the oiling mechanism (3) and the oiling mechanism (4); the tensioning mechanism (5) comprises: A tensioning roller (5-1), the tensioning roller (5-1) being arranged between the left and right frames (2), and the front and rear ends of the tensioning roller (5-1) being screwed to a mounting plate (5-2) via bearings; Adjustment rods (5-3), there are two adjustment rods (5-3), and each of the adjustment rods (5-3) is fixed to the bottom of the first mounting plate (5-2); The regulating tube (5-4) is provided in two pieces and is respectively movably sleeved on the bottom of the regulating rod (5-3). A second mounting plate (5-5) is fixed between the bottoms of the two regulating tubes (5-4). The left and right ends of the second mounting plate (5-5) are respectively fixed to the left and right frames (2). A spring (5-11) is fixed to the upper end of the regulating tube (5-4). The spring (5-11) is movably sleeved on the regulating rod (5-3). The upper end of the spring (5-11) is fixed to the bottom of the first mounting plate (5-2). The spring (5-11) is movably sleeved on the regulating rod (5-3). The upper end of the spring (5-11) is fixed to the bottom of the first mounting plate (5-2). -1) are connected to the bottom outer sides of the two No. 1 mounting plates (5-2) connected thereto; a connecting plate (5-6) is fixed to the bottom of the connecting plate (5-6) by screws; two front and rear rotating motors (5-8) are fixed to the left side wall of the right side frame (2), and the rotating motors (5-8) are connected to an external power supply; a rotating shaft (5-9) is fixed to the output shaft of the rotating motor (5-8), and the other end of the rotating shaft (5-9) is screwed to the front side frame (2) through a bearing; the other end of the connecting rope (5-7) is fixed to the rotating shaft (5-9).

2. The in-line oiling device for lithographic printing according to claim 1, characterized in that: Two adjustment shafts (5-10) are provided at the bottom between the connecting plate (5-6) and the rotating shaft (5-9), and both ends of the adjustment shafts (5-10) are respectively rotationally connected to the frames (2) on both sides; after the connecting rope (5-7) passes around the lower parts of the two adjustment shafts (5-10), the part of the connecting rope (5-7) provided at the bottom of the connecting plate (5-6) and the rotating shaft (5-9) is vertically arranged.

3. The in-line oiling device for lithographic printing according to claim 1, characterized in that: A scraper (6) is provided on the front side of the oil roller (4-1), and both ends of the scraper (6) are passed through the anti-overflow frames (4-2) on both sides, and the two ends of the scraper (6) are fixed to the frames (2) on both sides.

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