CN211031597U - Spiral groove guide roller assembly of printing machine - Google Patents

Abstract

The utility model provides a spiral groove guide roller component of a printing machine, which solves the problems of insufficient surface friction of a guide roller, difficult temperature control and the like, which comprises a cylindrical guide roller main body, wherein the circumferential outer side of the guide roller main body is a rolling layer with the surface being subjected to H700 anodic treatment, the circumferential outer side of the rolling layer is provided with two spiral groove bodies which are spirally arranged and extend from one end to the other end of the guide roller main body, and the two spiral groove bodies are mutually crossed in sequence, the groove parts of the spiral groove bodies are of V-shaped structures, the width of the groove opening of each spiral groove body is not less than 4mm, the depth of each spiral groove body is not less than 0.4mm, the two ends in the guide roller main body are connected with the splicing mechanisms, the limiting mechanisms connected with the two ends of the guide roller main body are provided with heat dissipation mechanisms communicated with the interior of the guide roller main body, the limiting heads of the limiting mechanisms and the edge of the outer side of the contact surface of the guide roller main body are provided with air guide grooves, and the air guide grooves are communicated. The utility model has the advantages of convenient temperature control, stable rolling guide and the like.

Description

Spiral groove guide roller assembly of printing machine

Technical Field

The utility model belongs to the technical field of the printing machine part, concretely relates to printing machine helicla flute guide roller subassembly.

Background

A printer is a machine that prints text and images. Modern printing machines are generally composed of mechanisms for plate loading, inking, stamping, paper feeding, etc. The working principle is that 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 place with characters and images on the printing plate by manual or printing machine, then it is directly or indirectly transferred onto paper or other printing material, so that the printed matter identical to printing plate can be reproduced. The guide roller is also called a leading guide roller, and is used for keeping a printing object in a normally fixed position in the running process. When the deviation occurs, the printing target is adjusted to the original position again, and the printing target is led to walk on the right road all the time. However, in actual operation, the guide roller in the printing machine often has a problem that the surface friction is too small, and the printing material is liable to slip. In addition, the temperature of the guide rollers is not easily controlled, and the surface temperature is too high to cause deformation of the paper.

In order to solve the defects of the prior art, people have long searched for and put forward various solutions. For example, the chinese patent document discloses a thin film material flattening apparatus [201320532281.6] including a support frame and a flattening guide roller, the support frame supporting and rotatably connecting both ends of the flattening guide roller, spiral grooves being respectively provided on the surface of the flattening guide roller from the center of the flattening guide roller to both ends, the spiral directions of the spiral grooves being opposite.

The scheme solves the problem of insufficient friction force of the surface of the guide roller to a certain extent, but the scheme still has a plurality of defects, such as the problem of overhigh temperature of the surface of the guide roller and the like.

Disclosure of Invention

The utility model aims at the above-mentioned problem, provide a reasonable in design, printing machine helicla flute guide roller subassembly that surface temperature is controlled easily.

In order to achieve the above purpose, the utility model adopts the following technical proposal: this printing machine helicla flute guide roller subassembly, including the deflector roll main part that is the tube-shape, the deflector roll main part circumference outside is the rolling layer of surperficial H700 anodic oxidation treatment, the rolling layer circumference outside has two and is the heliciform setting and extends to the spiral groove body of the other end from deflector roll main part one end, and two spiral groove bodies intercross in proper order, the slot part of spiral groove body is the V-arrangement structure, the degree of depth size of the notch width size of spiral groove body is not less than 4mm and spiral groove body is not less than 0.4mm, the inside both ends of deflector roll main part are connected with grafting mechanism, be equipped with the heat dissipation mechanism with the inside intercommunication of deflector roll main part on the stop gear that deflector roll main part both ends are connected, stop gear's stopper and deflector roll main part contact surface outside edge are. Through increasing heat dissipation mechanism in the deflector roll main part is inside, make deflector roll main part temperature control convenient, avoid the printing material deformation that the high temperature leads to.

In the spiral groove guide roller assembly of the printing machine, the inserting mechanism comprises an inserting block, one end of the inserting block is inserted in the guide roller main body, the other end of the inserting block is inserted in the limiting mechanism, a plurality of inserting plates which are mutually inserted with the inner side of the guide roller main body and the inserting grooves in the limiting mechanism are arranged on the side surface of the inserting block, and a through hole for installing the heating mechanism is formed in the center of the inserting block. The guide roller main body is connected with the limiting head through the inserting block, so that the guide roller main body and the limiting head synchronously rotate.

In the above-mentioned printing machine helicla flute guide roller subassembly, stop gear is including setting up at deflector roll main part both ends and the step face of laminating mutually with grafting piece one end, and the grafting piece other end is pegged graft mutually with spacing head.

In the spiral groove guide roller assembly of the printing machine, the heat dissipation mechanism comprises a vent hole arranged at one end of the limiting head far away from the guide roller main body, the outer side of the vent hole is connected with an air pipe, the inner side of the vent hole is communicated with a heat dissipation cavity in the limiting head, and the heat dissipation cavity is communicated with a heat dissipation channel in the guide roller main body.

In the spiral groove guide roller assembly of the printing machine, the heating mechanism is connected between the inserting mechanisms and comprises a heating pipe inserted into a through hole in the inserting block, two ends of the heating pipe are fixed on the inserting block, the middle part of the heating pipe is in contact with a heat dissipation channel in the guide roller body, and a wire at one end of the heating pipe penetrates through a wire hole in one side, away from the guide roller body, of the limiting head.

In the spiral groove guide roller assembly of the printing machine, the outer side of the middle section of the heating pipe is sleeved with the heat-conducting silica gel cylinder, the heat-conducting silica gel cylinder is filled in the heat-radiating channel, the inner side and the outer side of the heat-conducting silica gel cylinder are respectively attached to the heating pipe and the guide roller main body, two ends of the heat-conducting silica gel cylinder are respectively attached to the end face, located inside the guide roller main body, of the insertion block in the insertion mechanism, a plurality of axially extending air guide holes are formed in the heat-conducting silica gel cylinder, and the air guide holes communicate. The heat conduction silica gel can conduct the heating pipe heat to the surface of the guide roller main body fast, and meanwhile, the temperature of the guide roller main body can be reduced fast through the air guide holes in the heat conduction silica gel.

In the above spiral groove guide roller assembly of the printing machine, the end of the outer side of the limiting head connected with the guide roller main body is an arc limiting part, and the bottom of the arc limiting part is jointed with the edge of the guide roller main body. The arc-shaped limiting part on the limiting head can keep the advancing direction of the printing material and prevent the printing material from deviating in the transportation process.

In the spiral groove guide roller assembly of the printing machine, the center of one side of the limiting head, which is far away from the guide roller main body, is provided with the connecting column, and the end of the connecting column is connected with the rotating assembly through the positioning assembly.

In the spiral groove guide roller assembly of the printing machine, the rotating assembly comprises a ball bearing inserted on the end head of the connecting column, the ball bearing is externally wrapped with an assembly, and the assembly comprises an assembly block wrapping the outer side and two ends of the ball bearing. The ball bearing is fixed in the assembly block, makes things convenient for the installation of deflector roll main part to arrange.

In the spiral groove guide roller assembly of the printing machine, the positioning assembly comprises a bolt arranged on the end of the connecting column of the limiting head and a pin groove arranged on the inner side of the ball bearing, a positioning sleeve used for fixing the ball bearing is sleeved on the outer side of the connecting column between the ball bearing and the limiting head, and the end of the connecting column is in threaded connection with a positioning nut.

Compared with the prior art, the utility model has the advantages of: the surface of the guide roller main body is provided with the spiral groove body, so that the surface friction force is increased, and the slippage of a printing material is reduced; the spiral groove heads are arranged in a crossed manner, and arc-shaped limiting parts are arranged on two sides of the guide roller main body, so that stable transportation of printing materials can be guaranteed, and deviation in the transportation process is avoided; a heat dissipation structure is arranged in the guide roller main body, so that the temperature stability of the guide roller main body is ensured, and the deformation of a printing material caused by overhigh temperature of the guide roller is avoided; the air guide groove is formed in the outer edge of the contact surface of the limiting head and the guide roller body, air in the spiral groove body can be discharged, and foaming of printing materials is avoided.

Drawings

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

fig. 2 is a schematic structural diagram of the plugging mechanism and the heating mechanism of the present invention;

fig. 3 is a structural sectional view of the guide roller main body of the present invention;

FIG. 4 is a cross-sectional view of the structure at the end of the present invention;

fig. 5 is a schematic structural view of the heat-conducting silicone cylinder of the present invention;

fig. 6 is a schematic structural view of the spacing head of the present invention;

in the figure, the guide roller comprises a main roller body 1, a rolling layer 11, a spiral groove body 12, an inserting mechanism 2, an inserting block 21, an inserting plate 22, a through hole 23, a heating mechanism 3, a heating pipe 31, a lead wire 32, a lead wire hole 33, a heat-conducting silica gel cylinder 34, a limiting mechanism 4, a limiting head 41, an inserting groove 42, a step surface 43, an arc-shaped limiting part 44, a connecting column 45, an air guide groove 46, a heat dissipation mechanism 5, a vent hole 51, an air pipe 52, a heat dissipation cavity 53, a heat dissipation channel 54, an air guide hole 55, a positioning component 6, a plug 61, a pin groove 62, a positioning sleeve 63, a positioning nut 64, a rotating component 7, a ball bearing 71, an assembling component 8.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1-6, the spiral groove guide roller assembly of the printing machine comprises a cylindrical guide roller main body 1, it is characterized in that the circumferential outer side of the guide roller main body 1 is a rolling layer 11 with the surface H700 being anodized, the circumferential outer side of the rolling layer 11 is provided with two spiral groove bodies 12 which are spirally arranged and extend from one end to the other end of the guide roller main body 1, and two spiral groove bodies 12 are intercrossed in proper order, the groove part of spiral groove body 12 is the V-arrangement structure, the notch width size of spiral groove body 12 is not less than 4mm and the degree of depth size of spiral groove body 12 is not less than 0.4mm, the inside both ends of deflector roll main part 1 are connected with grafting mechanism 2, be equipped with on the stop gear 4 of connecting at deflector roll main part 1 both ends with the inside heat dissipation mechanism 5 that communicates of deflector roll main part 1, the limit head 41 of stop gear 4 and deflector roll main part 1 contact surface outside edge open have air guide groove 46, air guide groove 46 communicates with the end of spiral groove body 12. The guide roller main body 1 is internally penetrated with a heat dissipation mechanism 5 to reduce the temperature of the guide roller main body 1 and avoid the deformation of printing materials caused by overhigh temperature.

Specifically, the inserting mechanism 2 comprises an inserting block 21, one end of the inserting block 21 is inserted into the guide roller body 1, the other end of the inserting block 21 is inserted into the limiting mechanism 4, a plurality of inserting plates 22 which are mutually inserted into the inserting grooves 42 in the inner side of the guide roller body 1 and the limiting mechanism 4 are arranged on the side face of the inserting block 21, and a through hole 23 for installing the heating mechanism 3 is formed in the center of the inserting block 21. Two ends of the insertion block 21 are respectively connected with the guide roller body 1 and a limiting head 41 in the limiting mechanism 4, and the function of transmitting torque is achieved.

In addition, the limiting mechanism 4 comprises step surfaces 43 which are arranged at two ends of the guide roller body 1 and are mutually attached to one end of the insertion block 21, the other end of the insertion block 21 is mutually inserted into the limiting head 41, and the insertion groove 42 is arranged on the side surface where the step surfaces 43 are connected.

Further, the heat dissipation mechanism 5 comprises a vent hole 51 arranged at one end of the limiting head 41 far away from the guide roller main body 1, an air pipe 52 is connected to the outer side of the vent hole 51, the inner side of the vent hole 51 is communicated with a heat dissipation cavity 53 in the limiting head 41, and the heat dissipation cavity 53 is communicated with a heat dissipation channel 54 in the guide roller main body 1. When the temperature of the guide roller body 1 is too high, cooling gas is introduced into the limiting head 41 from the gas pipe 52 and then is led out from the limiting head 41 at the other end, so that the temperature of the guide roller body 1 is rapidly reduced.

Furthermore, a heating mechanism 3 is connected between the splicing mechanisms 2, the heating mechanism 3 comprises a heating pipe 31 inserted into the through hole 23 on the splicing block 21, two ends of the heating pipe 31 are fixed on the splicing block 21, the middle part of the heating pipe is contacted with the heat dissipation channel 54 in the guide roller main body 1, and a lead 32 at one end of the heating pipe 31 passes through a lead hole 33 at one side of the limiting head 41, which is far away from the guide roller main body 1. When the temperature is too low, the heating pipe 31 is electrified to heat, and the heat is transferred to the surface of the guide roller main body 1 through the heat-conducting silica gel cylinder 34.

Visibly, the heat-conducting silica gel cylinder 34 is sleeved outside the middle section of the heating pipe 31, the heat-conducting silica gel cylinder 34 is filled in the heat dissipation channel 54, the inner side and the outer side of the heat-conducting silica gel cylinder 34 are respectively attached to the heating pipe 31 and the guide roller main body 1, two ends of the heat-conducting silica gel cylinder 34 are respectively attached to the end surface, located inside the guide roller main body 1, of the insertion block 21 in the insertion mechanism 2, a plurality of axially extending air guide holes 55 are formed in the heat-conducting silica gel cylinder 34, and the heat dissipation cavities 53 in the limiting heads 41 at two ends of the guide roller main body 1 are communicated. Air vents 55 are disposed within the thermally conductive silicone cylinder 34, the air vents 55 ensuring that cooling air can pass from the heat dissipating cavity 53 at one end to the other.

Specifically, it is apparent that the end of the limiting head 41 connected to the guide roller body 1 is an arc-shaped limiting part 44, and the bottom of the arc-shaped limiting part 44 is engaged with the edge of the guide roller body 1. The arc-shaped limiting part 44 can reset the printing material when the printing material deviates, and in addition, the air guide groove 46 at the bottom edge of the arc-shaped limiting part 44 can guide out air of the spiral groove body 12, so that air bubbles in the printing process are reduced.

In addition, the center of one side of the limiting head 41 far away from the guide roller body 1 is provided with a connecting column 45, and the end of the connecting column 45 is connected with the rotating assembly 7 through the positioning assembly 6.

Further, the rotating unit 7 includes a ball bearing 71 inserted into the end of the connecting column 45, the ball bearing is externally wrapped with a fitting unit 8, and the fitting unit 8 includes a fitting block 81 wrapping the outer side and both ends of the ball bearing 71. The mounting assembly 8 outside the turning assembly 7 facilitates fixing the guide roller body 1 to the printing line.

Preferably, the positioning assembly 6 comprises a bolt 61 arranged at the end of the connecting column 45 of the limiting head 41 and a bolt groove 62 arranged inside the ball bearing 71, a positioning sleeve 63 for fixing the ball bearing 71 is sleeved outside the connecting column 45 between the ball bearing 71 and the limiting head 41, and a positioning nut 64 is connected to the end of the connecting column 45 in a threaded manner. The positioning assembly 6 ensures that the spacing head 41 rotates synchronously with the inner race of the ball bearing 71.

The principle of the embodiment is as follows: the guide roller comprises a guide roller body 1, wherein spiral groove bodies 12 which are arranged in a crossed mode are additionally arranged on the outer surface of the guide roller body 1, the width of each spiral groove body 12 is 4mm, the depth of each spiral groove body 12 is 0.4mm, friction force is improved, and meanwhile due to the combined action of centripetal force provided by the two spiral groove bodies 12 and arc-shaped limiting parts 44 fixed at the two ends of the guide roller body 1, a printing material on the guide roller body 1 keeps a fixed advancing direction; when the temperature is too high, cooling gas is introduced into the limiting head 41, so that the surface temperature of the guide roller main body 1 is quickly reduced.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the terms of the guide roller main body 1, the rolling layer 11, the spiral groove body 12, the inserting mechanism 2, the inserting block 21, the inserting plate 22, the through hole 23, the heating mechanism 3, the heating pipe 31, the lead wire 32, the lead wire hole 33, the heat-conducting silicone cylinder 34, the limiting mechanism 4, the limiting head 41, the inserting slot 42, the step surface 43, the arc-shaped limiting part 44, the connecting column 45, the air guide groove 46, the heat dissipation mechanism 5, the vent hole 51, the air pipe 52, the heat dissipation cavity 53, the heat dissipation channel 54, the air guide hole 55, the positioning component 6, the plug 61, the pin groove 62, the positioning sleeve 63, the positioning nut 64, the rotating component 7, the ball bearing 71, the assembling component 8, the assembling block 81 and the like are used more often, the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims (10)

1. The utility model provides a printing machine helicla flute guide roller subassembly, includes the deflector roll main part (1) that is the tube-shape, its characterized in that, the deflector roll main part (1) circumference outside be surperficial H700 anodic oxidation treatment's roll layer (11), roll layer (11) circumference outside have two spiral groove body (12) that are the heliciform setting and extend to the other end from deflector roll main part (1) one end, and two spiral groove body (12) intercross in proper order, the slot part of spiral groove body (12) be the V-arrangement structure, the notch width size of spiral groove body (12) be not less than 4mm and the degree of depth size of spiral groove body (12) be not less than 0.4mm, the inside both ends of deflector roll main part (1) be connected with grafting mechanism (2), stop gear (4) that deflector roll main part (1) both ends are connected on be equipped with the inside heat dissipation mechanism (5) that communicate with deflector roll main, the outer edge of the contact surface of the limiting head (41) of the limiting mechanism (4) and the guide roller main body (1) is provided with an air guide groove (46), and the air guide groove (46) is communicated with the end of the spiral groove body (12).

2. A spiral groove guide roller assembly for a printing machine according to claim 1, wherein said inserting means (2) comprises an inserting block (21), one end of said inserting block (21) is inserted into the guide roller body (1) and the other end is inserted into the limiting mechanism (4), a plurality of inserting plates (22) are arranged on the side of said inserting block (21) and are inserted into the slots (42) inside the guide roller body (1) and the limiting mechanism (4), and a through hole (23) is opened in the center of said inserting block (21).

3. The spiral groove guide roller assembly of the printing machine as claimed in claim 2, wherein the limiting mechanism (4) comprises a step surface (43) which is arranged at two ends of the guide roller body (1) and is mutually attached to one end of the insertion block (21), and the other end of the insertion block (21) is mutually inserted into the limiting head (41).

4. A spiral groove guide roller assembly for printing machine according to claim 1, 2 or 3, wherein said heat dissipating mechanism (5) comprises a vent hole (51) disposed at an end of the position limiting head (41) away from the guide roller body (1), an air pipe (52) is connected to an outer side of said vent hole (51), an inner side of said vent hole (51) is communicated with a heat dissipating cavity (53) in the position limiting head (41), and said heat dissipating cavity (53) is communicated with a heat dissipating channel (54) in the guide roller body (1).

5. The spiral groove guide roller assembly of the printing machine according to claim 4, wherein a heating mechanism (3) is connected between the plugging mechanisms (2), the heating mechanism (3) comprises a heating pipe (31) inserted into the through hole (23) on the plugging block (21), two ends of the heating pipe (31) are fixed on the plugging block (21) and the middle part of the heating pipe is contacted with the heat dissipation channel (54) in the guide roller body (1), and a lead wire (32) at one end of the heating pipe (31) passes through the lead wire hole (33) at one side of the limiting head (41) far away from the guide roller body (1).

6. The spiral groove guide roller assembly of the printing machine according to claim 5, wherein a heat-conducting silica gel cylinder (34) is sleeved outside the middle section of the heating pipe (31), the heat-conducting silica gel cylinder (34) is filled in the heat dissipation channel (54), the inner side and the outer side of the heat-conducting silica gel cylinder are respectively attached to the heating pipe (31) and the guide roller main body (1), two ends of the heat-conducting silica gel cylinder (34) are respectively attached to the end surface, located inside the guide roller main body (1), of the insertion block (21) in the insertion mechanism (2), a plurality of axially extending air guide holes (55) are formed in the heat-conducting silica gel cylinder (34), and the air guide holes (55) communicate with heat dissipation cavities (53) in the limiting heads (41) at two ends of the guide roller main body (1).

7. A spiral groove guide roller assembly of a printing machine according to claim 5, wherein the end of the limiting head (41) connected with the guide roller body (1) at the outer side is an arc-shaped limiting part (44), and the bottom of the arc-shaped limiting part (44) is jointed with the edge of the guide roller body (1).

8. The spiral groove guide roller assembly of the printing machine according to claim 7, wherein a connecting column (45) is arranged at the center of one side of the limiting head (41) far away from the guide roller body (1), and the end of the connecting column (45) is connected with the rotating assembly (7) through the positioning assembly (6).

9. A spiral groove guide roller assembly of a printing machine according to claim 8, wherein said rotating assembly (7) comprises a ball bearing (71) inserted on the end of the connecting column (45), said ball bearing is externally wrapped with a fitting assembly (8), said fitting assembly (8) comprises a fitting block (81) wrapping the outer side and both ends of the ball bearing (71).

10. The spiral groove guide roller assembly of the printing machine as claimed in claim 9, wherein the positioning assembly (6) comprises a bolt (61) arranged at the end of the connecting column (45) of the limiting head (41) and a pin groove (62) arranged at the inner side of the ball bearing (71), a positioning sleeve (63) used for fixing the ball bearing (71) is sleeved at the outer side of the connecting column (45) between the ball bearing (71) and the limiting head (41), and a positioning nut (64) is in threaded connection with the end of the connecting column (45).

Images