CN210617554U

CN210617554U - Gap adjusting device of digital offset press

Info

Publication number: CN210617554U
Application number: CN201920835221.9U
Authority: CN
Inventors: 王伟; 陈美佳; 陈书肖; 焦雪刚; 薛俊英
Original assignee: Shijiazhuang Wanxin Printing Co Ltd
Current assignee: Shijiazhuang Wanxin Printing Co Ltd
Priority date: 2019-06-04
Filing date: 2019-06-04
Publication date: 2020-05-26
Anticipated expiration: 2029-06-04

Abstract

The utility model discloses a clearance adjusting device of a digital offset press, which comprises a swing arm, a rubber head arm, a horizontal adjusting mechanism and a vertical adjusting mechanism, wherein the horizontal adjusting mechanism comprises a clearance adjusting plate which is fixedly connected with the upper surface of the bottom of the rubber head arm, the clearance adjusting plate penetrates through the upper surface and the lower surface and is provided with a clearance groove, the clearance adjusting plate is fixedly clamped and connected with a fastening knob through the clearance groove, the bottom of the rubber head arm is positioned at two ends of the clearance adjusting plate and is provided with a rectangular groove, and the rectangular groove is connected with the clearance adjusting plate in a sliding and clamping way; through clearance adjustment board and glue the design of the connection of the slip block between the first arm for clearance adjustment board can remove the fine setting in the horizontal direction, has solved the fixed difficult problem of fine setting of seting up the leading to of clearance groove, through the design of the spacing round hole of second, first spacing round hole and gag lever post, is convenient for carry out spacing fastening to the clearance adjustment board after the fine setting.

Description

Gap adjusting device of digital offset press

Technical Field

The utility model belongs to the technical field of offset press, concretely relates to clearance adjustment device of digital offset press.

Background

An offset printing press is a kind of offset printing press, in which printing images are first printed on a blanket cylinder from a printing plate and then transferred to paper by the blanket cylinder. The offset press needs to adjust the printing gap of the offset head during printing, and the gap adjusting device of the existing offset press on the market still has various defects and is difficult to meet the requirement of actual production

Although the offset printing machine disclosed in the publication No. CN208376212U achieves the purpose of emergency use, it does not solve the problem that the gap adjustment of the offset head of the existing digital offset printing machine is not easy to perform fine adjustment in the horizontal and vertical directions and adjustment at any position, and therefore we propose a gap adjustment device for the digital offset printing machine.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a clearance adjustment device of digital offset press to be difficult for carrying out the fine setting of level and vertical direction and carry out the problem of adjusting in the optional position when solving the current digital offset press offset head clearance adjustment that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a clearance adjustment device of digital offset press, includes swing arm, rubber head arm, level (l) ing mechanism and vertical adjustment mechanism, level (l) ing mechanism includes the clearance adjustment board, clearance adjustment board fixed connection is in the bottom upper surface of rubber head arm, the clearance groove has been seted up to the surface about the clearance adjustment board runs through, the clearance adjustment board is connected with the fastening knob through clearance groove fixed block, the bottom of rubber head arm is located the both ends of clearance adjustment board and has been seted up the rectangle recess, the rectangle recess is connected with clearance adjustment board sliding block.

Preferably, vertical adjustment mechanism is including gluing first connecting axle, it cup joints in the inside of gluing first arm to glue first connecting axle, just the fixed box-attach in the inboard surface of fastening knob in the top of gluing first connecting axle, the inside of gluing first connecting axle is provided with the spacing axle of a pair of L shape, just the inside of gluing first connecting axle is located fixedly connected with spring between the spacing axle of two L shapes.

Preferably, one end of the swing arm is movably connected with the main body of the digital offset press through a rotating shaft, the other end of the swing arm is connected with the top end of the rubber head arm, and the bottom end of the rubber head connecting shaft is fixedly connected with a rubber head.

Preferably, the inside of rubber head arm is located the tip distribution of the spacing axle of L shape and has seted up the shaft hole, just the shaft hole matches the block with the tip of the spacing axle of L shape.

Preferably, the outer surface of the rubber head connecting shaft is provided with an external thread, the inner side surface of the fastening knob is provided with an internal thread, and the internal thread is matched and clamped with the external thread.

Preferably, the bottom surface of rubber head arm is located the tip outside distribution of clearance adjustment board and has seted up the spring groove, the spacing spring of inside fixedly connected with in spring groove, the top fixedly connected with gag lever post of spacing spring, the bottom upper surface of rubber head arm is located one side distribution in spring groove and has seted up the spacing round hole of second, just the one end and the spacing round hole matching block of second of gag lever post.

Preferably, the two ends of the gap adjusting plate are both provided with first limiting round holes in a distributed manner, and the first limiting round holes are equal to the second limiting round holes in size, same in shape and corresponding in position.

Preferably, a joint rod is fixedly connected between two adjacent limiting rods, and the joint rod is of a shaft-shaped structure.

Preferably, the diameters of the transverse groove and the vertical groove of the clearance groove are equal, and the diameter of the clearance groove is equal to the diameter of the bottom of the rubber head connecting shaft.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) through clearance adjustment board and glue the design of the connection of the slip block between the first arm for clearance adjustment board can remove the fine setting in the horizontal direction, has solved the fixed difficult problem of fine setting of seting up the leading to of clearance groove, through the design of the spacing round hole of second, first spacing round hole and gag lever post, is convenient for carry out spacing fastening to the clearance adjustment board after the fine setting, through the design of linking up the pole, is convenient for upwards mention in the lump to all gag lever posts.

(2) Through the design of the spacing axle of L shape and shaft hole, be convenient for realize gluing first connecting axle and gluing the spacing fixed of first arm inside through the spacing axle of L shape, close the connection soon through the screw thread of gluing between first connecting axle and the fastening knob, be convenient for carry out the fine setting of vertical direction to gluing the head.

Drawings

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

FIG. 2 is a top view of the gap-adjusting plate of the present invention;

FIG. 3 is a schematic view of the connection between the limiting rod and the rubber head arm of the present invention;

FIG. 4 is a schematic view of the connection between the rubber head and the rubber head arm according to the present invention;

fig. 5 is a schematic structural view of the L-shaped spacing shaft of the present invention.

In the figure: 1. swinging arms; 2. a rubber head arm; 3. fastening a knob; 4. a gap adjusting plate; 5. gluing heads; 6. a limiting rod; 7. a clearance groove; 8. a connecting rod; 9. a first limit round hole; 10. a limiting spring; 11. a second limit round hole; 12. a spring slot; 13. a rubber head connecting shaft; 14. an L-shaped limiting shaft; 15. a spring; 16. and the shaft hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a clearance adjusting device of a digital offset press comprises a swing arm 1, a rubber head arm 2, a horizontal adjusting mechanism and a vertical adjusting mechanism, wherein the horizontal adjusting mechanism comprises a clearance adjusting plate 4, the clearance adjusting plate 4 is fixedly connected to the upper surface of the bottom of the rubber head arm 2, a clearance groove 7 is formed in the upper surface and the lower surface of the clearance adjusting plate 4 in a penetrating way, the clearance adjusting plate 4 is fixedly clamped and connected with a fastening knob 3 through the clearance groove 7, rectangular grooves are formed in the two ends, located at the clearance adjusting plate 4, of the bottom of the rubber head arm 2 and are in sliding clamping connection with the clearance adjusting plate 4, through the sliding clamping connection design between the clearance adjusting plate 4 and the rubber head arm 2, the clearance adjusting plate 4 can move and finely adjust in the horizontal direction, the problem that fine adjustment is difficult to adjust due to the fixed arrangement of the clearance groove 7 is solved, through the design of a second, the gap adjusting plate 4 after fine adjustment is convenient to limit and fasten, and all the limiting rods 6 are convenient to lift upwards together through the design of the connecting rods 8.

In order to facilitate the fine adjustment of the vertical direction of the rubber head 5, in this embodiment, preferably, the vertical adjusting mechanism includes the rubber head connecting shaft 13, the rubber head connecting shaft 13 is sleeved in the inside of the rubber head arm 2, the top end of the rubber head connecting shaft 13 is fixedly sleeved on the inner side surface of the fastening knob 3, the inside of the rubber head connecting shaft 13 is provided with a pair of L-shaped limiting shafts 14, and the inside of the rubber head connecting shaft 13 is located between the two L-shaped limiting shafts 14 and is fixedly connected with a spring 15.

In order to facilitate fine adjustment of the rubber head gap of the digital offset printing machine, in this embodiment, preferably, one end of the swing arm 1 is movably connected with the main body of the digital offset printing machine through a rotating shaft, the other end of the swing arm 1 is connected with the top end of the rubber head arm 2, and the bottom end of the rubber head connecting shaft 13 is fixedly connected with the rubber head 5.

In order to facilitate the realization of gluing first connecting axle 13 and gluing the spacing fixed of first arm 2 inside through the spacing axle 14 of L-shaped, in this embodiment, preferably, the inside of gluing first arm 2 is located the tip distribution of the spacing axle 14 of L-shaped and has seted up shaft hole 16, and shaft hole 16 and the spacing axle 14's of L-shaped tip matching block.

In order to facilitate the screwing connection of the threads between the rubber head connecting shaft 13 and the fastening knob 3, in the embodiment, preferably, the outer surface of the rubber head connecting shaft 13 is provided with an external thread, the inner side surface of the fastening knob 3 is provided with an internal thread, and the internal thread is matched with the external thread to be clamped.

In order to facilitate the spacing connection of gap adjustment plate 4 on gluing first arm 2, in this embodiment, it is preferred, the bottom surface of gluing first arm 2 is located the tip outside distribution of gap adjustment plate 4 and has seted up spring groove 12, the inside fixedly connected with spacing spring 10 of spring groove 12, the top fixedly connected with gag lever post 6 of spacing spring 10, the bottom upper surface of gluing first arm 2 is located one side distribution of spring groove 12 and has seted up the spacing round hole 11 of second, and the one end and the spacing round hole 11 matching block of second of gag lever post 6.

In order to facilitate the tip of gag lever post 6 to clearance adjustment board 4 with glue and run through when first arm 2, in this embodiment, preferred, first spacing round hole 9 has been seted up to the both ends equal distribution of clearance adjustment board 4, and first spacing round hole 9 equals with the spacing round hole 11 size of second, the shape is the same, the position corresponds.

In order to facilitate the simultaneous lifting of the position-limiting rods 6, in this embodiment, preferably, an engaging rod 8 is fixedly connected between two adjacent position-limiting rods 6, and the engaging rod 8 has a shaft-shaped structure.

In order to facilitate the adjustment of the fastening knob 3 through the clearance groove 7, in the present embodiment, it is preferable that the diameters of the horizontal groove and the vertical groove of the clearance groove 7 are equal, and the diameter of the clearance groove 7 is equal to the bottom diameter of the glue head connecting shaft 13.

The utility model discloses a theory of operation and use flow: after the device is installed, when the glue head 5 is horizontally adjusted through the clearance groove 7, fine adjustment cannot be realized only through the movement of the fastening knob 3 on the clearance groove 7, at the moment, the clearance adjusting plate 4 can be horizontally moved to a proper position, so that the horizontal clearance fine adjustment of the glue head 5 is realized together with the clearance groove 7, when the clearance adjusting plate 4 is moved, the limiting rod 6 is lifted upwards through the connecting rod 8, one end of the limiting rod 6 is separated from the second limiting round hole 11, then the clearance adjusting plate 4 is moved to a proper position, the limiting rod 6 is put down, the end part of the limiting rod 6 is clamped into the second limiting round hole 11 and the first limiting round hole 9 again under the elastic action of the limiting spring 10, so that the limiting fixation of the clearance adjusting plate 4 on the glue head arm 2 is realized, when the glue head 5 is vertically adjusted upwards, the fastening knob 3 is rotated through threads, the bottom surface of the fastening knob 3 is separated from the upper surface of the glue head arm 2, and then the L-shaped limiting shaft 14 is extruded to enable one end of the L-shaped limiting shaft 14 to be separated from the shaft hole 16, then the glue head connecting shaft 13 is moved upwards or downwards to a proper position, then the L-shaped limiting shaft 14 is released to enable the end part of the L-shaped limiting shaft 14 to be clamped into the shaft hole 16 again, and then the fastening knob 3 is reversely rotated again to enable the bottom surface of the fastening knob 3 to be attached to the upper surface of the glue head arm 2 again.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a clearance adjustment device of digital offset press, includes swing arm (1), glues first arm (2), horizontal adjustment mechanism and vertical adjustment mechanism, its characterized in that: horizontal adjustment mechanism includes clearance adjusting plate (4), clearance adjusting plate (4) fixed connection is in the bottom upper surface of rubber head arm (2), clearance groove (7) have been seted up to surface about clearance adjusting plate (4) runs through, clearance adjusting plate (4) are connected with fastening knob (3) through clearance groove (7) fixed block, the rectangle recess has been seted up at the both ends that the bottom of rubber head arm (2) is located clearance adjusting plate (4), the rectangle recess is connected with clearance adjusting plate (4) sliding block.

2. The gap adjusting apparatus of a digital offset press according to claim 1, wherein: vertical adjustment mechanism is including gluing first connecting axle (13), it cup joints in the inside of gluing first arm (2) to glue first connecting axle (13), just the fixed cover in the inboard surface of fastening knob (3) in the top of gluing first connecting axle (13), the inside of gluing first connecting axle (13) is provided with spacing axle (14) of a pair of L shape, just the inside of gluing first connecting axle (13) is located fixedly connected with spring (15) between two spacing axles (14) of L shape.

3. The gap adjusting apparatus of a digital offset press according to claim 2, wherein: the one end of swing arm (1) is through pivot and digital offset press's main part swing joint, the other end of swing arm (1) is connected with the top of gluing first arm (2), the bottom fixedly connected with of gluing first connecting axle (13) glues first (5).

4. The gap adjusting apparatus of a digital offset press according to claim 2, wherein: the end part of the inner part of the rubber head arm (2) located on the L-shaped limiting shaft (14) is provided with a shaft hole (16), and the shaft hole (16) is matched and clamped with the end part of the L-shaped limiting shaft (14).

5. The gap adjusting apparatus of a digital offset press according to claim 2, wherein: the outer surface of the rubber head connecting shaft (13) is provided with an external thread, the inner side surface of the fastening knob (3) is provided with an internal thread, and the internal thread is matched and clamped with the external thread.

6. The gap adjusting apparatus of a digital offset press according to claim 1, wherein: the utility model discloses a rubber head arm, including rubber head arm (2), tip outside distribution that the bottom surface of rubber head arm is located clearance adjustment board (4) has seted up spring groove (12), the spacing spring of inside fixedly connected with (10) of spring groove (12), top fixedly connected with gag lever post (6) of spacing spring (10), the bottom upper surface of rubber head arm (2) is located one side distribution of spring groove (12) and has seted up spacing round hole of second (11), just the one end and the spacing round hole of second (11) of gag lever post (6) match the block.

7. The gap adjusting apparatus of a digital offset press according to claim 6, wherein: first spacing round hole (9) have been seted up in the both ends equal distribution of clearance adjusting plate (4), just first spacing round hole (9) are equal, the shape is the same, the position corresponds with second spacing round hole (11) size.

8. The gap adjusting apparatus of a digital offset press according to claim 6, wherein: two adjacent fixedly connected with links up pole (8) between gag lever post (6), link up pole (8) and be axle shape structure.

9. The gap adjusting apparatus of a digital offset press according to claim 1, wherein: the diameters of the transverse groove and the vertical groove of the clearance groove (7) are equal, and the diameter of the clearance groove (7) is equal to the diameter of the bottom of the rubber head connecting shaft (13).