阅读说明：本技术 一种压力可调的印刷压纹装置 (Pressure adjustable printing embossing apparatus ) 是由 秦小燕 于 2020-05-15 设计创作，主要内容包括：本发明公开了一种压力可调的印刷压纹装置,包括呈“U”字型的机架,机架内设有上下设置的压辊和底辊,底辊铰接在机架的下端,所述压辊的两端分别铰接在两个升降滑块上,升降滑块插套在机架侧壁上的矩形槽内；两个升降滑块设有均匀受压机构。本发明可以调节对压辊施加的压力大小,且可以调节压辊与底辊之间的间距,提高了压纹装置的实用性。(The invention discloses a printing embossing device with adjustable pressure, which comprises a U-shaped frame, wherein a compression roller and a bottom roller which are arranged up and down are arranged in the frame, the bottom roller is hinged at the lower end of the frame, two ends of the compression roller are respectively hinged on two lifting slide blocks, and the lifting slide blocks are inserted in rectangular grooves in the side walls of the frame; the two lifting slide blocks are provided with uniform compression mechanisms. The embossing device can adjust the pressure applied to the compression roller, can adjust the distance between the compression roller and the bottom roller, and improves the practicability of the embossing device.)

1. A printing embossing device with adjustable pressure comprises a U-shaped frame (1), wherein a compression roller (2) and a bottom roller (3) which are arranged up and down are arranged in the frame (1), and the bottom roller (3) is hinged at the lower end of the frame (1); two ends of the compression roller (2) are respectively hinged to two lifting slide blocks (41), and the lifting slide blocks (41) are inserted into rectangular grooves (11) in the side wall of the rack (1); the two lifting slide blocks (41) are provided with uniform pressure mechanisms (5);

two ends of the frame (1) are respectively provided with a piston hole (12) with an opening at the upper side, and the bottom surface of the piston hole (12) is formed with a through hole (13) communicated with the rectangular groove (11); the uniform compression mechanism (5) comprises pistons (51) respectively inserted in the two piston holes (12) and a base (52) fixed at the upper end of the frame (1), a push rod (511) is formed on the lower bottom surface of the pistons (51), and the push rod (511) penetrates through the through hole (13) and is pressed against the upper bottom surface of the lifting slide block (41); the base (52) is formed with two bosses (521) arranged left and right, and the two bosses (521) are respectively inserted and sleeved at the upper ends of the corresponding piston holes (12); a second cylinder hole (522) and a flow channel (523) communicated with the second cylinder hole (522) are formed in the base (52), and the flow channel (523) is communicated with the two piston holes (12); a second piston (53) is sleeved in the second cylinder hole (522), and an elastic support is arranged on the outer side of the second piston (53); and hydraulic oil (54) is filled in a cavity formed by the second cylinder hole (522), the second piston (53), the flow channel (523), the two piston holes (12) and the two pistons (51).

2. A pressure adjustable print embossing apparatus as claimed in claim 1, wherein: inner wall threads (524) are formed on the inner wall of the outer end of the second cylinder hole (522); the elastic support includes a top block (55) screwed on the inner wall thread (524) and a plurality of disc springs (56) clamped between the top block (55) and the second piston (53).

3. A pressure adjustable print embossing apparatus as claimed in claim 1, wherein: the lifting slide block (41) is connected to two vertically arranged slide rails (42) in a sliding manner, and the slide rails (42) are fixed on the side wall of the rectangular groove (11).

4. A pressure adjustable print embossing apparatus as claimed in claim 1, wherein: a top plate (43) is fixed on the outer side wall of the lifting slide block (41), a telescopic cylinder (44) is arranged below the top plate (43), the telescopic cylinder (44) is fixed on the rack (1), and a piston rod of the telescopic cylinder (44) is over against the top plate (43).

5. A pressure adjustable print embossing apparatus as claimed in claim 2, wherein: a first sealing groove is formed in the outer wall of the piston (51), a first sealing ring (57) is sleeved in the first sealing groove, and the first sealing ring (57) is pressed against the inner wall of the piston hole (12);

a second sealing groove is formed in the outer wall of the boss (521), a second sealing ring (58) is sleeved in the second sealing groove, and the second sealing ring (58) is pressed against the inner wall of the piston hole (12);

and a third sealing groove is formed in the outer wall of the second piston (53), a third sealing ring (59) is sleeved in the second sealing groove, and the third sealing ring (59) is pressed against the inner wall of the second cylinder hole (522).

6. A pressure adjustable print embossing apparatus as claimed in claim 2, wherein: and a hexagonal counter bore (551) with an opening at the outer side is formed in the top block (55).

Technical Field

The invention relates to the technical field of printing machinery, in particular to a printing embossing device with adjustable pressure.

Background

At present, embossing work is required to be carried out on paper box packages such as cigarette box packages, food packaging boxes and the like after printing; the existing embossing device generally comprises two compression rollers which are arranged up and down, wherein the compression rollers are hinged on a frame, and concave grains or convex grains which need to be formed are arranged on the outer wall of one or two of the compression rollers; however, because the two compression rollers are directly hinged on the frame, the distance between the two compression rollers cannot be adjusted, and meanwhile, the pressure of the two compression rollers on a printed product cannot be adjusted, so that the existing embossing device has large limitation.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide a printing embossing device with adjustable pressure, which can adjust the pressure applied to a compression roller, ensure that the two ends of the compression roller are uniformly compressed, adjust the distance between the compression roller and a bottom roller and improve the practicability of the embossing device.

The scheme for solving the technical problems is as follows:

a printing embossing device with adjustable pressure comprises a U-shaped frame, wherein a compression roller and a bottom roller are arranged in the frame from top to bottom, the bottom roller is hinged to the lower end of the frame, two ends of the compression roller are respectively hinged to two lifting slide blocks, and the lifting slide blocks are inserted in rectangular grooves in the side walls of the frame; the two lifting slide blocks are provided with uniform pressure mechanisms;

two ends of the frame are respectively provided with a piston hole with an opening at the upper side, and the bottom surface of the piston hole is formed with a through hole communicated with the rectangular groove; the uniform compression mechanism comprises pistons respectively inserted in the two piston holes and a base fixed at the upper end of the frame, a push rod is formed on the lower bottom surface of the piston, and the push rod penetrates through the through hole and is pressed on the upper bottom surface of the lifting slide block; the base is provided with two bosses which are arranged on the left and the right, and the two bosses are respectively inserted and sleeved at the upper ends of the corresponding piston holes; a second cylinder hole and a flow channel communicated with the second cylinder hole are formed in the base, and the flow channel is communicated with the two piston holes; a second piston is sleeved in the second cylinder hole, and an elastic support is arranged on the outer side of the second piston; and hydraulic oil is filled in a cavity formed by the second cylinder hole, the second piston, the flow channel, the two piston holes and the two pistons.

Inner wall threads are formed on the inner wall of the outer end of the second cylinder hole; the elastic support comprises a top block screwed on the thread of the inner wall and a plurality of disc springs clamped between the top block and the second piston.

The lifting slide block is connected to the two vertically arranged slide rails in a sliding mode, and the slide rails are fixed to the side walls of the rectangular groove.

The outer side wall of the lifting slide block is fixedly provided with a top plate, a telescopic cylinder is arranged below the top plate and fixed on the rack, and a piston rod of the telescopic cylinder is opposite to the top plate.

A first sealing groove is formed in the outer wall of the piston, a first sealing ring is sleeved in the first sealing groove, and the first sealing ring is pressed against the inner wall of the piston hole;

a second sealing groove is formed in the outer wall of the boss, a second sealing ring is sleeved in the second sealing groove, and the second sealing ring is pressed against the inner wall of the piston hole;

and a third sealing groove is formed in the outer wall of the second piston, a third sealing ring is sleeved in the second sealing groove, and the third sealing ring is pressed against the inner wall of the second cylinder hole.

And a hexagonal counter bore with an opening at the outer side is formed in the top block.

The invention has the following outstanding effects: compared with the prior art, the embossing device has the advantages that the pressure applied to the compression roller can be adjusted, the distance between the compression roller and the bottom roller can be adjusted, and the practicability of the embossing device is improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a left side view of the present invention;

FIG. 3 is a cross-sectional view of FIG. 1 taken about A-A;

fig. 4 is a partially enlarged view of fig. 1 about B.

Detailed Description