CN112606563B

CN112606563B - Printing unit cylinder installation mechanism

Info

Publication number: CN112606563B
Application number: CN202011340924.8A
Authority: CN
Inventors: 孟祥花
Original assignee: Shandong Hengya Packaging Printing Co ltd
Current assignee: Shandong Hengya Packaging Printing Co ltd
Priority date: 2020-11-25
Filing date: 2020-11-25
Publication date: 2022-06-14
Anticipated expiration: 2040-11-25
Also published as: CN112606563A

Abstract

The invention discloses a printing unit roller mounting mechanism which comprises a roller and two mounting frames, wherein the two mounting frames are positioned at two ends of the roller, bearings are arranged on the two mounting frames in a penetrating manner, sleeves are fixedly connected to the inner walls of inner rings of the two bearings, sliding pipes are connected in the two sleeves in a sliding manner, the two shaft levers respectively extend into the sliding pipes at the same side and abut against the inner walls of the sliding pipes, two clamping mechanisms are arranged between the shaft lever and the sliding pipes at the same side, stabilizing mechanisms are arranged among the shaft lever, the sliding pipes and the sleeves at the same side, the outer walls of the opposite ends of the two sliding pipes are fixedly connected with first gears, and the opposite ends of the outer rings of the two bearings are fixedly connected with supports. The roller cooling device is reasonable in structure, not only is convenient for installation of the roller, but also is simple and quick, brings convenience to workers, and meanwhile, the bearing can be cooled, so that stable work of the bearing is guaranteed, and abrasion of the bearing is effectively reduced.

Description

Printing unit cylinder installation mechanism

Technical Field

The invention relates to the technical field of printing machines, in particular to a printing unit roller mounting mechanism.

Background

Machines for printing text and images; modern printing machines generally comprise mechanisms such as plate loading, inking, stamping, paper conveying (including folding) and the like, and the working principle of the modern printing machine is as follows: the characters and images to be printed are made into printing plate, then it is mounted on the printing machine, then the ink is coated on the position of the characters and images on the printing plate by manual or printing machine, then it is directly or indirectly transferred on the paper or other printing material (such as textile, metal plate, plastics, leather, wood plate, glass and ceramic) so as to reproduce the same printed matter as the printing plate. The invention and the development of the printing machine play an important role in the propagation of human civilization and culture.

At present, bearings are required to be arranged on connecting shafts of the roller and are generally arranged in a supporting sleeve; however, when the bearing continuously works, a lot of heat is generated, so that the temperature is increased, and measures beneficial to heat dissipation of the bearing are lacked; and the mounting of the support frame for mounting the roller is inconvenient, the operation is more complicated, and the roller is inconvenient to dismount, so that the roller mounting mechanism of the printing unit is designed to solve the problems.

Disclosure of Invention

The invention aims to solve the defects in the prior art, and provides a printing unit roller mounting mechanism which is convenient, simple and quick to mount a roller and brings convenience to workers, and can also be used for radiating a bearing, so that the stable work of the bearing is ensured, and the abrasion of the bearing is effectively reduced.

In order to achieve the purpose, the invention adopts the following technical scheme:

a printing unit roller mounting mechanism comprises a roller and two mounting frames, wherein the two mounting frames are positioned at two ends of the roller, shaft levers are respectively mounted at two ends of the roller, bearings are respectively mounted on the two mounting frames in a penetrating manner, sleeves are respectively fixedly connected to the inner walls of inner rings of the two bearings, sliding pipes are respectively connected in the two sleeves in a sliding manner, the two shaft levers respectively extend into the sliding pipes at the same side and abut against the inner walls of the sliding pipes, two clamping mechanisms are arranged between the shaft levers and the sliding pipes at the same side, stabilizing mechanisms are arranged between the shaft levers, the sliding pipes and the sleeves at the same side, first gears are respectively fixedly connected to the outer walls of the opposite ends of the two sliding pipes, supports are respectively and fixedly connected to the opposite ends of outer rings of the two bearings, short shafts are respectively and rotatably connected to the two supports, and a plurality of fan blades for dissipating heat of the bearings are respectively mounted on the two short shafts, and a transmission mechanism is arranged between the short shaft and the first gear on the same side.

Preferably, the inner wall of the sleeve is rectangular, the outer wall of the sliding tube is rectangular and abuts against the sleeve, and the inner wall of the sliding tube is cylindrical.

Preferably, the clamping mechanism includes running through the sliding tube and rather than sliding connection's bolt, be equipped with the keyway on the axostylus axostyle, the bolt extends to in the keyway, the one end fixedly connected with that the keyway was kept away from to the bolt draws the piece, the outside of drawing the piece is equipped with anti-skidding line, draw the first spring of fixedly connected with between piece and the sliding tube, first spring housing is in the outside of bolt.

Preferably, the stabilizing mechanism comprises two clamping blocks which penetrate through the sliding pipe and are connected with the sliding pipe in a sliding manner, the inner wall of the sleeve is provided with two clamping grooves, the two clamping blocks respectively extend into the clamping grooves at the same side, the opposite ends of the two clamping blocks are fixedly connected with wedge-shaped blocks, second springs are fixedly connected between the two wedge-shaped blocks and the inner wall of the sliding pipe, the two second springs are respectively sleeved outside the two clamping blocks, the inner wall of the sliding tube is fixedly connected with a rectangular frame, a rectangular telescopic rod which is connected with the rectangular frame in a sliding way is arranged on the rectangular frame in a penetrating way, one end of the rectangular telescopic rod is pressed against the shaft lever, the other end of the rectangular telescopic rod is fixedly connected with a trapezoidal block, the trapezoidal block with two wedge-shaped piece offsets and offset the face phase-match, fixedly connected with third spring between trapezoidal block and the rectangle frame, the third spring housing is in the outside of rectangle telescopic link.

Preferably, drive mechanism is including fixing the montant on the support, transversely run through on the montant and be equipped with rather than the dwang of being connected of rotating, the both ends outer wall of dwang is fixedly connected with second gear and third gear respectively, the second gear meshes with first gear mutually, fixedly connected with fourth gear on the minor axis, fourth gear meshes with the third gear mutually.

Preferably, the radius of the first gear is three times the radius of the second gear, and the radius of the third gear is two times the radius of the fourth gear.

Preferably, the support is J-shaped, the support is made of stainless steel, and the support is fixedly connected with an outer ring of the bearing through welding.

Preferably, the minor axis coincides with the axial centre line of the shaft.

Compared with the prior art, the invention has the beneficial effects that:

1. the pull block is required to be pulled to move, so that the bolt is not in the sliding pipe, the shaft lever can be installed in the sliding pipe, then the pull block is loosened, under the action of the first spring, the bolt is abutted against the shaft lever or inserted into the pin groove, if the bolt is abutted against the shaft lever, a worker can manually rotate the roller, when the pin groove is met with the bolt, under the action of the first spring, the bolt is inserted into the pin groove, so that the installation of the shaft lever is realized, the installation of the roller is also realized, the operation is convenient and fast, when the shaft lever is installed in the sliding pipe, the shaft lever is abutted against the rectangular telescopic lever and abuts against the rectangular telescopic lever to move, the rectangular telescopic lever is limited through the shaft lever, the rectangular telescopic lever and the trapezoidal block can move, the trapezoidal block moves to push the two wedge blocks to move back to back, so that the clamping block can move and abut against the clamping groove, so that the sliding pipe can be stably connected with the sleeve, the first gear and the second gear are meshed at this time.

2. Can drive the axostylus axostyle when the cylinder rotates, the sliding tube, the sleeve pipe, bearing and first gear revolve, first gear revolve drives the second gear, dwang and third gear revolve, third gear revolve drives fourth gear and minor axis and rotates, the realization is to the variable speed of minor axis, thereby can realize the flabellum and rotate fast, through the pivoted flabellum, not only can dispel the heat to the bearing, reduce its wearing and tearing of during operation, also can dispel the heat to first gear simultaneously, the second gear, fourth gear and third gear.

3. When dismantling the cylinder, the staff draws two pull blocks back to the back of the body pulling, thereby can realize that the bolt removes, make the bolt break away from the keyway, so the axostylus axostyle is no longer spacing, can be with axostylus axostyle and slip tube split, then to one side removal cylinder, the rectangle telescopic link of so opposite side is no longer spacing, when the axostylus axostyle is no longer offseted with the rectangle telescopic link, under the effect of third spring, can realize trapezoidal piece and remove to rectangle frame direction, then the wedge is no longer spacing, under the effect of second spring, two fixture block relative movement break away from the draw-in groove of homonymy, so can realize slip tube and sheathed tube dismantlement, then remove the slip tube that has dismantled, make its and axostylus axostyle separation, then at reverse movement cylinder again, so can dismantle it with the cylinder, and high convenience and high speed.

In conclusion, the roller cooling device is reasonable in structure, not only is convenient to install the roller, but also is simple and quick, brings convenience to workers, and meanwhile, can be used for cooling the bearing, ensures stable work of the bearing and effectively reduces abrasion of the bearing.

Drawings

FIG. 1 is a schematic diagram illustrating a connection of a part of a structure of a cylinder mounting mechanism of a printing unit according to the present invention;

FIG. 2 is a schematic view of the connection between a cylinder and a bracket in a cylinder mounting mechanism of a printing unit according to the present invention;

FIG. 3 is a schematic view of a structure at A position in a cylinder mounting mechanism of a printing unit according to the present invention;

fig. 4 is a schematic structural diagram of a position B in a cylinder mounting mechanism of a printing unit according to the present invention.

In the figure: the device comprises a roller 1, a mounting rack 2, a bearing 3, a support 4, fan blades 5, a shaft rod 6, a sliding tube 7, a rectangular telescopic rod 8, a rectangular frame 9, a third spring 10, a vertical rod 11, a first gear 12, a second gear 13, a rotating rod 14, a fourth gear 15, a third gear 16, a short shaft 17, a bolt 18, a pulling block 19, a first spring 20, a pin slot 21, a sleeve 22, a clamping slot 23, a trapezoidal block 24, a wedge block 25, a clamping block 26 and a second spring 27.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Referring to fig. 1-4, a printing unit cylinder installation mechanism, including cylinder 1 and two mounting brackets 2, two mounting brackets 2 are located the both ends of cylinder 1, axostylus axostyle 6 is all installed at the both ends of cylinder 1, all run through on two mounting brackets 2 and install bearing 3, the equal fixedly connected with sleeve pipe 22 of the inner ring inner wall of two bearing 3, equal sliding connection has sliding tube 7 in two sleeve pipe 22, sleeve pipe 22's inner wall is the rectangle setting, sliding tube 7's outer wall sets up the rectangle shape that offsets with sleeve pipe 22, and sliding tube 7's inner wall is cylindricly, so sliding tube 7 can rotate with sleeve pipe 22 is synchronous.

Two axostylus axostyles 6 extend respectively to in the sliding tube 7 of homonymy and offset rather than the inner wall, be equipped with two latch mechanism between the axostylus axostyle 6 of homonymy and the sliding tube 7, latch mechanism including running through sliding tube 7 and rather than sliding connection's bolt 18, be equipped with keyway 21 on the axostylus axostyle 6, bolt 18 extends to in the keyway 21, the one end fixedly connected with who keeps away from keyway 21 of bolt 18 draws piece 19, the outside of drawing piece 19 is equipped with anti-skidding line, draw first spring 20 of fixedly connected with between piece 19 and the sliding tube 7, first spring 20 cover is in the outside of bolt 18.

The bolt 28 can stably abut against the inner wall of the pin slot 21 through the first spring 20, so that the shaft lever 6 and the sliding tube 7 can be stably connected together; when needs are with axostylus axostyle 6 and slip pipe 7 separation, the staff can pull two pull blocks 19 back to can realize that bolt 18 removes, make bolt 18 break away from keyway 21, so axostylus axostyle 6 no longer by spacing, can be with axostylus axostyle 6 and slip pipe 7 split.

A stabilizing mechanism is arranged among the shaft lever 6, the sliding pipe 7 and the sleeve 22 which are arranged at the same side, the stabilizing mechanism comprises two clamping blocks 26 which penetrate through the sliding pipe 7 and are connected with the sliding pipe in a sliding way, the inner wall of the sleeve 22 is provided with two clamping grooves 23, the two clamping blocks 26 respectively extend into the clamping grooves 23 at the same side, one ends of the two clamping blocks 26 which are opposite are fixedly connected with wedge blocks 25, second springs 27 are fixedly connected between the two wedge blocks 25 and the inner wall of the sliding pipe 7, the two second springs 27 are respectively sleeved outside the two clamping blocks 26, the inner wall of the sliding pipe 7 is fixedly connected with a rectangular frame 9, a rectangular telescopic rod 8 which is connected with the rectangular frame 9 in a sliding way is arranged on the rectangular frame 9 in a penetrating way, one end of the rectangular telescopic rod 8 is abutted against the shaft lever 6, the other end of the rectangular telescopic rod 8 is fixedly connected with a trapezoidal block 24, the trapezoidal block 24 is abutted against the two wedge blocks 25 and is matched with the abutting surfaces, and a third spring 10 is fixedly connected between the trapezoidal block 24 and the rectangular frame 9, the third spring 10 is sleeved outside the rectangular telescopic rod 8.

Specifically, the rectangular telescopic rod 8 and the trapezoidal block 24 can move by limiting the rectangular telescopic rod 8 through the shaft rod 6, and the trapezoidal block 24 moves to push the two wedge blocks 25 to move back to back, so that the clamping block 26 can move and abut against the clamping groove 23, and the sliding pipe 7 can be stably connected with the sleeve 22; when the shaft lever 6 is no longer abutted against the rectangular telescopic rod 8, under the action of the third spring 10, the trapezoidal block 24 can move towards the rectangular frame 9, the wedge block 25 is no longer limited, and under the action of the second spring 27, the two clamping blocks 26 move relatively and are separated from the clamping grooves 23 on the same side, so that the sliding tube 7 and the sleeve 22 can be detached.

The outer walls of the back ends of the two sliding pipes 7 are fixedly connected with a first gear 12, the back ends of the outer rings of the two bearings 3 are fixedly connected with a support 4, the support 4 is J-shaped, the support 4 is made of stainless steel, and the support 4 is fixedly connected with the outer rings of the bearings 3 through welding; all rotate on two supports 4 and be connected with minor axis 17, the axial centerline coincidence of minor axis 17 and axostylus axostyle 6 all installs a plurality of flabellums 5 to the heat dissipation of bearing 3 on two minor axes 17, can dispel the heat to bearing 3.

A transmission mechanism is arranged between the short shaft 17 and the first gear 12 on the same side, the transmission mechanism comprises a vertical rod 11 fixed on the support 4, a rotating rod 14 rotatably connected with the vertical rod 11 transversely penetrates through the vertical rod 11, the outer walls of the two ends of the rotating rod 14 are fixedly connected with a second gear 13 and a third gear 16 respectively, the second gear 13 is meshed with the first gear 12, a fourth gear 15 is fixedly connected onto the short shaft 17, the fourth gear 15 is meshed with the third gear 16, the radius of the first gear 12 is three times that of the second gear 13, and the radius of the third gear 16 is two times that of the fourth gear 15, so that speed change can be realized, and rotation of the fan blades 5 can be accelerated.

Specifically, first gear 12 rotates and drives second gear 13, dwang 14 and third gear 16 and rotate, and third gear 16 rotates and drives fourth gear 15 and stub axle 17 and rotate, realizes the variable speed to stub axle 17 to can realize flabellum 5 fast turn, through pivoted flabellum 5, not only can dispel the heat to bearing 3, reduce its wearing and tearing during operation, also can dispel the heat to first gear 12, second gear 13, fourth gear 15 and third gear 16 simultaneously.

In the invention, when the roller 1 is installed, a worker can place the roller 1 between the two installation frames 2, then relatively push the two sliding pipes 7 to move, so that the two sliding pipes 7 are sleeved on the outer wall of the shaft lever 6, and it is noted that the pulling block 19 needs to be pulled to move, so that the bolt 18 is not in the sliding pipes 7, so that the shaft lever 6 can be installed in the sliding pipes 7, then the pulling block 19 is loosened, the bolt 18 is abutted against the shaft lever 6 or inserted into the pin groove 21 under the action of the first spring 20, if the bolt is abutted against the shaft lever 6, the worker can manually rotate the roller 1, when the pin groove 21 is abutted against the bolt 18, under the action of the first spring 20, the bolt 18 is inserted into the pin groove 21, so that the installation of the shaft lever 6 is realized, and the installation of the roller 1 is also realized, and the installation is convenient and rapid;

when the shaft lever 6 is installed in the sliding tube 7, the shaft lever 6 abuts against the rectangular telescopic rod 8 and abuts against the rectangular telescopic rod 8 to move, the rectangular telescopic rod 8 is limited by the shaft lever 6, the rectangular telescopic rod 8 and the trapezoidal block 24 can move, the trapezoidal block 24 moves to push the two wedge blocks 25 to move back and forth, so that the clamping block 26 can move and abut against the clamping groove 23, the sliding tube 7 can be stably connected with the sleeve 22, and the first gear 12 and the second gear 13 are meshed at the moment;

when the roller 1 rotates, the shaft lever 6, the sliding pipe 7, the sleeve 22, the bearing 3 and the first gear 12 are driven to rotate, the first gear 12 rotates to drive the second gear 13, the rotating rod 14 and the third gear 16 to rotate, the third gear 16 rotates to drive the fourth gear 15 and the short shaft 17 to rotate, and speed change of the short shaft 17 is realized, so that the fan blades 5 can rotate quickly, the bearing 3 can be cooled through the rotating fan blades 5, abrasion of the bearing during working is reduced, and meanwhile, the first gear 12, the second gear 13, the fourth gear 15 and the third gear 16 can be cooled;

when the roller 1 is disassembled, a worker pulls the two pull blocks 19 back to back, so that the bolt 18 can move, the bolt 18 is separated from the pin groove 21, the shaft lever 6 is not limited any more, the shaft lever 6 and the sliding pipe 7 can be disassembled, then the roller 1 is moved to one side, so that the rectangular telescopic rod 8 at the other side is not limited any more, when the shaft 6 is not abutted against the rectangular telescopic rod 8 any more, under the action of the third spring 10, the trapezoidal block 24 can move towards the rectangular frame 9, the wedge block 25 is not limited any more, under the action of the second spring 27, the two blocks 26 move relatively and are separated from the same side of the clamping groove 23, so that the sliding tube 7 and the sleeve 22 can be detached, then move the sliding tube 7 that has already dismantled, make it separate with axostylus axostyle 6, then in reverse movement cylinder 1 again, so can dismantle cylinder 1, convenient and fast.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The printing unit roller mounting mechanism comprises a roller (1) and two mounting frames (2), and is characterized in that the two mounting frames (2) are positioned at two ends of the roller (1), shaft levers (6) are mounted at two ends of the roller (1), bearings (3) are mounted on the two mounting frames (2) in a penetrating manner, sleeves (22) are fixedly connected to inner walls of inner rings of the bearings (3), sliding pipes (7) are slidably connected into the two sleeves (22), the two shaft levers (6) extend into the sliding pipes (7) at the same side respectively and abut against inner walls of the sliding pipes, two clamping mechanisms are arranged between the shaft levers (6) and the sliding pipes (7) at the same side, stabilizing mechanisms are arranged between the shaft levers (6), the sliding pipes (7) and the sleeves (22) at the same side, first gears (12) are fixedly connected to outer walls of opposite back ends of the two sliding pipes (7), the back ends of the outer rings of the two bearings (3) are fixedly connected with supports (4), the two supports (4) are rotatably connected with short shafts (17), the two short shafts (17) are respectively provided with a plurality of fan blades (5) for radiating the bearings (3), and a transmission mechanism is arranged between the short shafts (17) and the first gear (12) on the same side;

the stabilizing mechanism comprises two clamping blocks (26) which penetrate through the sliding pipe (7) and are in sliding connection with the sliding pipe, the inner wall of the sleeve (22) is provided with two clamping grooves (23), the two clamping blocks (26) respectively extend into the clamping grooves (23) on the same side, the opposite ends of the two clamping blocks (26) are fixedly connected with wedge blocks (25), second springs (27) are fixedly connected between the two wedge blocks (25) and the inner wall of the sliding pipe (7), the two second springs (27) are respectively sleeved outside the two clamping blocks (26), the inner wall of the sliding pipe (7) is fixedly connected with a rectangular frame (9), a rectangular telescopic rod (8) which is in sliding connection with the rectangular frame (9) is arranged on the rectangular frame (9) in a penetrating manner, one end of the rectangular telescopic rod (8) is abutted against the shaft rod (6), and the other end of the rectangular telescopic rod (8) is fixedly connected with a trapezoidal block (24), trapezoidal piece (24) with two wedge blocks (25) offset and the face phase-match that offsets, fixedly connected with third spring (10) between trapezoidal piece (24) and rectangle frame (9), third spring (10) cover is in the outside of rectangle telescopic link (8).

2. Printing unit cylinder mounting mechanism according to claim 1, characterized in that the inner wall of the sleeve (22) is rectangular, the outer wall of the sliding tube (7) is rectangular against the sleeve (22), and the inner wall of the sliding tube (7) is cylindrical.

3. The printing unit cylinder mounting mechanism according to claim 1, wherein the clamping mechanism comprises a plug pin (18) penetrating through the sliding tube (7) and slidably connected with the sliding tube, a pin groove (21) is formed in the shaft rod (6), the plug pin (18) extends into the pin groove (21), a pull block (19) is fixedly connected to one end of the plug pin (18) far away from the pin groove (21), anti-skid grains are formed in the outer portion of the pull block (19), a first spring (20) is fixedly connected between the pull block (19) and the sliding tube (7), and the first spring (20) is sleeved on the outer portion of the plug pin (18).

4. The printing unit cylinder mounting mechanism according to claim 1, wherein the transmission mechanism comprises a vertical rod (11) fixed on the support (4), a rotating rod (14) rotatably connected with the vertical rod (11) transversely penetrates through the vertical rod (11), the outer walls of two ends of the rotating rod (14) are respectively and fixedly connected with a second gear (13) and a third gear (16), the second gear (13) is meshed with the first gear (12), a fourth gear (15) is fixedly connected with the short shaft (17), and the fourth gear (15) is meshed with the third gear (16).

5. Printing unit cylinder mounting mechanism according to claim 4, characterized in that the radius of the first gear wheel (12) is three times the radius of the second gear wheel (13) and the radius of the third gear wheel (16) is two times the radius of the fourth gear wheel (15).

6. The printing unit cylinder mounting mechanism according to claim 1, wherein the bracket (4) is J-shaped, the material of the bracket (4) is stainless steel, and the bracket (4) is fixedly connected with the outer ring of the bearing (3) by welding.

7. Printing unit cylinder mounting mechanism according to claim 1, characterized in that the stub axle (17) coincides with the axial centre line of the shaft (6).