CN214717891U

CN214717891U - Gloss oil coating mechanism of offset printing equipment

Info

Publication number: CN214717891U
Application number: CN202120286095.3U
Authority: CN
Inventors: 王斌; 汪文元; 李开发; 程俊
Original assignee: Changde Goldroc Printing Co ltd
Current assignee: Changde Goldroc Printing Co ltd; Changde Jinpeng Printing Co Ltd
Priority date: 2021-02-01
Filing date: 2021-02-01
Publication date: 2021-11-16
Anticipated expiration: 2031-02-01

Abstract

The utility model belongs to the technical field of offset printing equipment, in particular to a gloss oil coating mechanism of offset printing equipment, which comprises a rubber roll, a gloss oil groove and an oil return groove which are arranged in sequence, wherein the gloss oil groove is provided with an oil inlet and an oil overflow port which are respectively arranged on two opposite sides of the gloss oil groove, and the oil overflow port is connected with the oil return groove; the rubber roll scraper is characterized by also comprising a scraper frame and a scraper arranged on the scraper frame, wherein a scraper tool bit is arranged in an upward inclined manner towards the rubber roll and is flush with the axis of the rubber roll, a baffle is arranged at one side of the scraper close to the rubber roll, and one end of the baffle, which is far away from the scraper, is arranged in an inclined manner towards the direction of the rubber roll; the redundant gloss oil of the utility model can directly flow back to the gloss oil groove along the space between the scraper and the rubber roller, can not be accumulated due to the blockage of the rubber roller, and can be convenient for recovering the gloss oil adhered on the rubber roller; the gloss oil flowing along the scraper can flow towards the gloss oil groove under the blocking of the baffle, and the gloss oil flowing along the scraper cannot flow out of the gloss oil groove, so that the waste of the gloss oil can be reduced.

Description

Gloss oil coating mechanism of offset printing equipment

Technical Field

The utility model belongs to the technical field of offset printing equipment, specifically relate to a gloss oil mechanism of offset printing equipment.

Background

In the process of printing paper, a printing factory usually adopts offset printing equipment to perform a single paper printing process, gloss oil is usually used in some printing processes, for example, gloss oil is used in a cigarette label printing process, and mainly for the purpose of increasing the glossiness, the wear resistance and the water resistance of the cigarette label printing process, but the printing thickness of the gloss oil has certain process requirements, and various problems of products can be caused by the fact that the gloss oil is too thin or too thick, so that the excessive gloss oil on a rubber roller is scraped by a scraper in the printing process, while the installation position of the scraper of the existing gloss oil coating mechanism is higher, and the rubber roller is generally cylindrical, so after the excessive gloss oil is scraped by the scraper, the excessive gloss oil is usually accumulated at the position between the scraper and the rubber roller, so that the gloss oil is wasted, and part of the gloss oil attached to the surface of the scraper easily flows to the connection position between the scraper and a scraper frame along the surface of the scraper, not only can cause the waste of gloss oil, but also is not convenient for cleaning.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a gloss oil mechanism of offset printing equipment convenient to retrieve unnecessary gloss oil on the rubber roll.

The content of the utility model comprises a rubber roller, a smooth oil groove and an oil return groove which are arranged in sequence, wherein the smooth oil groove is provided with an oil inlet and an oil overflow port, the oil inlet and the oil overflow port are respectively arranged on two opposite sides of the smooth oil groove, and the oil overflow port is connected with the oil return groove through a pipeline; still including scraping the knife rest and setting up the scraper on scraping the knife rest, the scraper tool bit sets up towards the rubber roll tilt up, and the axis of scraper tool bit and rubber roll flushes, one side that the scraper is close to the rubber roll is provided with the baffle, the one end that the baffle deviates from the scraper sets up towards the rubber roll slope.

Furthermore, the bottoms of the two sides of the gloss oil groove are arranged in an inward inclined mode.

Furthermore, an arc-shaped surface is arranged at the joint of the baffle and the scraper, and the arc-shaped surface is positioned on one surface of the baffle close to the rubber roller.

Furthermore, one end of the scraper knife head facing the rubber roll is provided with an arc-shaped chamfer.

Furthermore, scrape knife rest one side and be provided with the mounting groove, and scrape and lie in the mounting groove top on the knife rest and be provided with fixed orifices one, the scraper sword tail is pegged graft in the mounting groove, fixed orifices one has retaining member one through screw-thread fit, and the terminal and the scraper sword tail butt of retaining member one.

Furthermore, a positioning groove is formed in the scraper tail, and one tail end of the locking piece is abutted to the positioning groove.

Still further, the scraper frame comprises a mounting seat arranged on one side of the gloss oil groove, and the scraper frame is arranged on the mounting seat.

Furthermore, the both ends of mount pad respectively are provided with a mounting panel, respectively are provided with a cooperation groove on two mounting panels, scrape and respectively be provided with a radical axis on the relative both sides of knife rest, two axles rotate the setting respectively at two cooperation inslots, it is provided with fixed orifices two to lie in cooperation groove top on the mounting panel, the fixed orifices two-way screw-thread fit has retaining member two, the end of retaining member two stretches into cooperation inslot and axle butt.

Furthermore, one end of the scraper frame, which is far away from the scraper, is in a circular arc shape.

Furthermore, a heating element is arranged at the bottom of the gloss oil tank.

The utility model has the advantages that the scraper is arranged in an upward inclined manner, the cutter head of the scraper is flush with the axis of the rubber roll, the gloss oil adhered on the rubber roll rotates to be flush with the axis of the rubber roll and can be evenly scraped by the scraper, the redundant gloss oil can directly flow back to the gloss oil groove along the space between the scraper and the rubber roll, and can not be accumulated due to the blockage of the rubber roll, so that the gloss oil adhered on the rubber roll can be conveniently recovered; through setting up the baffle towards the rubber roll slope in one side that the scraper is close to the rubber roll, when the scraper scrapes unnecessary gloss oil on with the rubber roll, the gloss oil that flows on the scraper can flow towards gloss oil groove under the blockking of baffle, and can not flow to the scraper and the junction of scraping the knife rest, and it is more convenient to clean, and under the blockking of baffle, the gloss oil that flows on the scraper can not flow outside the gloss oil groove, consequently reducible gloss oil's waste.

Drawings

Fig. 1 is a front view of a gloss oil applying mechanism of the offset printing apparatus of the present invention.

Fig. 2 is a side view of the gloss oil applying mechanism of the offset printing apparatus of the present invention.

Fig. 3 is the assembly schematic diagram of the middle scraper and the scraper holder of the present invention.

In the figure, 10-rubber roller; 20-smooth oil groove; 21-an oil inlet; 22-oil overflow port; 30-an oil return groove; 40-a scraper frame; 41-axis; 42-mounting grooves; 43-locking member one; 50-a scraper; 51-a baffle; 52-positioning grooves; 53-arc chamfering; 60-a mounting seat; 61-a mounting plate; 611-mating grooves; 62-locking member two.

Detailed Description

As shown in fig. 1-3, the utility model discloses a rubber roll 10, gloss oil groove 20 and oil return groove 30 that from the top set gradually, be provided with oil inlet 21 and oil spilling mouth 22 on the gloss oil groove 20, oil inlet 21 and oil spilling mouth 22 set up respectively on the relative both sides of gloss oil groove 20, oil spilling mouth 22 passes through the pipeline and is connected with oil return groove 30, and oil inlet 21 is connected with outside oil storage bucket, and outside oil storage bucket carries gloss oil to gloss oil groove 20 in through oil inlet 21, and oil spilling mouth 22 is arranged in discharging unnecessary gloss oil in the gloss oil groove 20 to oil return groove 30 and collects, and wherein, the position of oil inlet 21 is higher than oil spilling mouth 22, the input and the discharge of gloss oil of being convenient for. The utility model discloses still including scraping knife rest 40 and setting up scraper 50 on scraping knife rest 40, scraper 50 is located smooth oil groove 20 tops, scraper 50 inclines to set up, specifically is that scraper 50's tool bit sets up towards the direction tilt up of rubber roll 10, and scraper 50 tool bit flushes with the axis of rubber roll 10, and scraper 50 tool bit is the same for the height of horizontal plane and rubber roll 10 axis height for the horizontal plane promptly, one side that scraper 50 is close to rubber roll 10 is provided with baffle 51, baffle 51 slope sets up, specifically is baffle 51 and deviates from scraper 50's one end towards the direction slope setting that is close to rubber roll 10.

The utility model provides a gloss oil coating mechanism, through setting up hydraulic fluid port 21 and oil spilling mouth 22 respectively on gloss oil groove 20 relative both sides, when inputing gloss oil to gloss oil groove 20, gloss oil flows to the other end along one end of gloss oil groove 20, can avoid gloss oil to pile up in gloss oil groove 20 middle part, when rubber roll 10 rotates clockwise along the reverse direction shown in figure 1, the gloss oil in gloss oil groove 20 of rubber roll 10 surface adhesion, the utility model discloses an incline the setting upwards with scraper 50, and the tool bit of scraper 50 flushes with the axis of rubber roll 10, the gloss oil of adhesion on rubber roll 10 rotates to and will be scraped the leveling with the rubber roll 10 axis and will be scraped the even by scraper 50, because the position that flushes with the axis on rubber roll 10 is the widest position of rubber roll 10, unnecessary gloss oil can follow and directly fall back to gloss oil groove 20 between scraper 50 and the rubber roll 10, can not stop because of rubber roll 10 and pile up, can be convenient for retrieve the gloss oil of adhesion on rubber roll 10, through set up the baffle 51 towards the rubber roll 10 slope in one side that scraper 50 is close to rubber roll 10, when scraper 50 scrapes unnecessary gloss oil on the rubber roll 10, the gloss oil that flows on along scraper 50 can flow towards gloss oil groove 20 under the blocking of baffle 51, and can not flow to the junction of scraper 50 with scraper frame 40, for the cleanness of the junction of scraper 50 with scraper frame 40, it is more convenient that baffle 51 cleans, and under the blocking of baffle 51, the gloss oil that flows on along scraper 50 can not flow outside gloss oil groove 20, not only be more convenient for retrieve the gloss oil of adhesion on the rubber roll 10, also can reduce the waste of gloss oil.

The utility model discloses in, light oil groove 20 both sides bottom leanin sets up, under the prerequisite of guaranteeing the normal adhesion gloss oil of rubber roll 10, reduces light oil groove 20's volume, reduces the light oil mass of required storage in the light oil groove 20.

The utility model discloses in, baffle 51 is provided with the arcwall face with scraper 50's junction, the arcwall face is located the one side that baffle 51 is close to rubber roll 10. The arc-shaped surface is arranged at the joint of the baffle plate 51 and the scraper 50, so that the gloss oil flows more smoothly, and the joint is convenient to clean.

The utility model discloses in, 50 tool bits of scraper are provided with arc chamfer 53 towards the one end of rubber roll 10. The arc-shaped chamfer 53 is arranged, so that the surface of the rubber roller 10 is not easy to scratch, and the service life of the rubber roller 10 is prolonged.

The utility model discloses in, scraper frame 40 one side is provided with mounting groove 42, and scrapes and lie in the mounting groove 42 top on the scraper frame 40 and be provided with fixed orifices one, 50 sword tails of scraper are pegged graft in mounting groove 42, fixed orifices one has retaining member 43 through screw-thread fit, and the end of retaining

member

43 and 50 sword tails butt of scraper. The scraper 50 is positioned more conveniently and quickly when mounted by providing the mounting groove 42 on the scraper frame 40, and preferably, the first locking member 43 is a bolt and the first fixing hole is a threaded hole. Wherein, the convenience of location when further improving the installation to and retaining member 43 improves the spacing effect to scraper 50, be provided with constant head tank 52 on the scraper 50 sword tail, retaining member 43 is terminal and constant head tank 52 butt.

The utility model discloses still including setting up mount pad 60 on gloss oil groove 20 one side, scrape the setting of knife rest 40 on mount pad 60, through scraping the setting of knife rest 40 on gloss oil groove 20, make the utility model discloses overall structure is more compact. The both ends of mount pad 60 respectively are provided with a mounting panel 61, respectively are provided with a cooperation groove 611 on two mounting panels 61, respectively be provided with a radical axis 41 on the both sides that scrape the relative of knife rest 40, two radical axes 41 rotate respectively and set up in two cooperation grooves 611, it is provided with fixed orifices two to lie in the cooperation groove 611 top on the mounting panel 61, the fixed orifices two-way screw-thread fit has retaining member two 62, the end of retaining member two 62 stretches into in the cooperation groove 611 and the axle 41 butt. Preferably, the second locking member 62 is a bolt, and the second fixing hole is a screw hole. Make two 62 of retaining members and axle 41 butt through two 62 of retaining members of screwing, can fix the position of scraper frame 40, make two 62 of retaining members leave axle 41 through two 62 of unscrewing retaining members, axle 41 can be at the internal rotation of cooperation groove 611 to make scraper frame 40 to the direction upset of keeping away from rubber roll 10, be convenient for clean the rubber roll. Wherein, the end of the scraper frame 40 departing from the scraper 50 is arc-shaped, which is convenient for the scraper frame 40 to turn over.

The utility model discloses in, light oil groove 20 bottom is provided with the piece that generates heat, and the piece that generates heat is preferably the heating wire, generates heat after the heating wire circular telegram to the gloss oil to being located light oil groove 20 inside keeps warm or heats, avoids the gloss oil solidification in the light oil groove 20.

Claims

1. A gloss oil coating mechanism of offset printing equipment is characterized by comprising a rubber roll (10), a gloss oil groove (20) and an oil return groove (30) which are sequentially arranged, wherein the gloss oil groove (20) is provided with an oil inlet (21) and an oil overflow port (22), the oil inlet (21) and the oil overflow port (22) are respectively arranged on two opposite sides of the gloss oil groove (20), and the oil overflow port (22) is connected with the oil return groove (30) through a pipeline; still including scraping knife rest (40) and setting scraper (50) on scraping knife rest (40), scraper (50) tool bit sets up towards rubber roll (10) tilt up, and scraper (50) tool bit flushes with the axis of rubber roll (10), one side that scraper (50) are close to rubber roll (10) is provided with baffle (51), the one end that baffle (51) deviate from scraper (50) sets up towards rubber roll (10) slope.

2. The varnish coating mechanism for an offset printing apparatus according to claim 1, wherein the bottoms of both sides of the varnish tank (20) are inclined inward.

3. The varnish coating mechanism of the offset printing device as claimed in claim 1, wherein the joint of the baffle (51) and the scraper (50) is provided with an arc-shaped surface, and the arc-shaped surface is positioned on one surface of the baffle (51) close to the rubber covered roller (10).

4. The varnish coating mechanism of the offset printing apparatus as recited in claim 1, wherein an end of the blade (50) facing the rubber covered roller (10) is provided with an arc-shaped chamfer (53).

5. The varnish coating mechanism of the offset printing apparatus according to claim 1, wherein a mounting groove (42) is provided on one side of the scraper holder (40), and a first fixing hole is provided in the scraper holder (40) above the mounting groove (42), the first blade end of the scraper (50) is inserted into the mounting groove (42), the first fixing hole is threadedly fitted with a first locking member (43), and the distal end of the first locking member (43) abuts against the first blade end of the scraper (50).

6. The varnish coating mechanism for the offset printing apparatus as recited in claim 5, wherein the scraper (50) is provided with a positioning groove (52) at a blade end thereof, and an end of the first locking member (43) abuts against the positioning groove (52).

7. The varnish mechanism of the offset printing apparatus according to any one of claims 1 to 6, further comprising a mounting seat (60) provided on a side of the varnish tank (20), the doctor blade holder (40) being provided on the mounting seat (60).

8. The varnish coating mechanism of the offset printing apparatus according to claim 7, wherein a mounting plate (61) is provided at each of both ends of the mounting base (60), a fitting groove (611) is provided in each of the two mounting plates (61), a shaft (41) is provided on each of opposite sides of the doctor blade holder (40), the two shafts (41) are rotatably provided in the two fitting grooves (611), a second fixing hole is provided in the mounting plate (61) above the fitting groove (611), the second fixing hole is threadedly fitted with a second locking member (62), and a distal end of the second locking member (62) extends into the fitting groove (611) to abut against the shaft (41).

9. The varnish mechanism of the offset printing apparatus as recited in claim 8, wherein an end of the doctor blade holder (40) facing away from the doctor blade (50) is formed in a circular arc shape.

10. The offset printing apparatus varnish coating mechanism according to any one of claims 1 to 6, wherein a heat generating member is provided at the bottom of the varnish tank (20).