High-durability offset printing rubber roller

Abstract

The utility model relates to the technical field of offset printing rubber rollers, in particular to a high-durability offset printing rubber roller which is characterized in that a rubber roller body is of a hollow structure, a rotating pipe is connected with two ends of the rubber roller body in a penetrating manner, and the rotating pipe is screwed and inserted on a rack through a bearing; a first gear is fixedly arranged on the rotating pipe in a sleeving mode, and a second gear is arranged below the first gear in an engaged mode. The rotating motor is fixed to the rack on the left side through a support and connected with an external power source. An output shaft of the rotating motor is connected with the second gear on the left side. The cooling liquid circulates in the rubber roller, so that the rubber roller can be cooled in time, the service life is prolonged, and the durability is enhanced; and the flow speed of cooling liquid in the heat dissipation pipe is slowed down, heat dissipation is conducted within sufficient time, and practicability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of offset printing rubber rollers, in particular to a high-durability offset printing rubber roller. Background Art

[0002] When the offset rubber roller is in use, the heat generated by it for a long time will affect the service life of the offset rubber roller, so it needs to be cooled in time. The cooling effect of the currently used cooling device is not obvious, and it will affect the use of the offset rubber roller during cooling. Therefore, a highly durable offset rubber roller is proposed. Utility Model Content

[0003] The utility model aims to provide a highly durable offset printing rubber roller for solving the above problems in view of the defects and shortcomings of the prior art.

[0004] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is: it comprises a rubber roller body and a frame; the frames are arranged on the left and right of the rubber roller body;

[0005] It also contains:

[0006] Rotating tubes, the number of the rotating tubes is two, the rubber roller body is a hollow structure, the rotating tube is connected with both ends of the rubber roller body, and the rotating tube is screwed and plugged on the frame through a bearing; a No. 1 gear is fixedly sleeved on the rotating tube, and a No. 2 gear is meshed below the No. 1 gear;

[0007] A rotating motor, wherein the rotating motor is fixed to the frame on the left side through a bracket, and the rotating motor is connected to an external power source; an output shaft of the rotating motor is connected to the No. 2 gear on the left side;

[0008] A No. 1 connecting pipe, wherein the number of the No. 1 connecting pipes is two and each of the connecting pipes is movably inserted in the rotating pipe, and the inner ring wall of the No. 1 connecting pipe is against the outer ring wall of the rotating pipe;

[0009] Sealing swivels, the number of the sealing swivels is two, opposite annular grooves are provided on the inner annular wall of the No. 1 connecting tube and the outer annular wall of the rotating tube, and the sealing swivels are movably embedded in the two annular grooves;

[0010] No. 2 connecting pipes, the number of which is two and which are respectively connected to the outer ends of the No. 1 connecting pipes, and the bottom of the No. 2 connecting pipes is connected to the transition pipe;

[0011] A water pump, the water pump is fixed on the left frame, and the water pump is connected to an external power supply; the water inlet end of the water pump is connected to the transition pipe on the left through a No. 1 water guide pipe;

[0012] The heat dissipation pipe is fixed between the left and right racks; the water outlet of the water pump is connected to the heat dissipation pipe through the No. 2 water guide pipe; the right end of the heat dissipation pipe is connected to the right transition pipe through the No. 3 water guide pipe; the diameter of the heat dissipation pipe is larger than the diameters of the No. 2 water guide pipe and the No. 3 water guide pipe;

[0013] Fans, the number of which is several and which are respectively arranged on the heat dissipation pipes, and the fans are connected to an external power supply;

[0014] The heat dissipation mechanism is connected with the heat dissipation pipe.

[0015] Preferably, the heat dissipation mechanism comprises:

[0016] A bellows, the bellows being fixed between the left and right frames, and the fan being mounted on the bellows; the lower part of the bellows being arranged from wide to narrow from top to bottom;

[0017] The number of the air ducts is several and they are respectively arranged through the bottom of the bellows. The air ducts are arranged one by one with the fans, and two adjacent air ducts are arranged to be inclined outwards relative to each other;

[0018] The heat sinks are in multiple numbers and are respectively arranged in one-to-one correspondence with the air ducts, and the heat sinks are inserted into the heat pipes.

[0019] Preferably, the heat insulation board is fixed between the left and right frames, and the heat insulation board is arranged above the fan.

[0020] Preferably, a triangular slope plate is provided below the heat insulation plate, and wind scoops are connected through both the front and rear sides of the triangular slope plate, and the diameter of the wind scoops is arranged from large to small from top to bottom; the wind scoops are arranged above the fan.

[0021] Preferably, a transfer tube is provided in the rubber roller body, the transfer tube is connected with the left rotating tube through, the transfer tube is a broken line structure, and after the transfer tube winds a circle in the rubber roller body, its outlet is provided below the left rotating tube.

[0022] Compared with the prior art, the utility model has the following beneficial effects: the utility model provides a highly durable offset rubber roller, in which the coolant circulates in the rubber roller, so that the rubber roller can be cooled down in time, the service life is extended, and the durability is enhanced; the flow rate of the coolant in the heat dissipation pipe is slowed down, and sufficient time is provided for heat dissipation, thereby improving the practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0024] Figure 1 It is a structural schematic diagram of the utility model.

[0025] Figure 2 It is a southwest isometric view of the utility model.

[0026] Figure 3 It is a cross-sectional view of the rubber roller body, the rotating tube, the No. 1 connecting tube, the sealing rotating ring and the transfer tube in the utility model.

[0027] Figure 4 yes Figure 3 Enlarged view of part A in .

[0028] Figure 5 The utility model is a schematic diagram of the structure of the heat dissipation pipe, the fan, the bellows box, the air duct and the heat dissipation fin.

[0029] Description of reference numerals:

[0030] Rubber roller body 1, frame 2, rotating tube 3, No. 1 gear 4, No. 2 gear 5, rotating motor 6, No. 1 connecting tube 7, sealing swivel 8, No. 2 connecting tube 9, transition tube 10, water pump 11, No. 1 water pipe 12, heat dissipation pipe 13, No. 2 water pipe 14, No. 3 water pipe 15, fan 16, heat dissipation mechanism 17, bellows 17-1, air duct 17-2, heat sink 17-3, heat insulation board 18, triangular slope board 19, wind bucket 20, transfer tube 21. DETAILED DESCRIPTION

[0031] The utility model is further described below in conjunction with the accompanying drawings. Embodiment 1:

[0032] See also Figure 1-5 , this embodiment 1 comprises a rubber roller body 1 and a frame 2; the frame 2 is provided on the left and right of the rubber roller body 1;

[0033] It also contains:

[0034] Rotating tubes 3, the number of the rotating tubes 3 is two, the rubber roller body 1 is a hollow structure, the rotating tubes 3 are connected with both ends of the rubber roller body 1, and the rotating tubes 3 are screwed and inserted on the frame 2 through bearings; a first gear 4 is sleeved and fixed on the rotating tube 3, and a second gear 5 is meshed below the first gear 4;

[0035] The rotating motor 6 is fixed to the frame 2 on the left side through a bracket, and the rotating motor 6 is connected to an external power source. The specific model of the rotating motor 6 is purchased and installed directly from the market according to actual use requirements; the output shaft of the rotating motor 6 is connected to the No. 2 gear 5 on the left side;

[0036] The first connecting tube 7, the number of the first connecting tube 7 is two, and each of the first connecting tubes 7 is movably inserted in the rotating tube 3, and the inner ring wall of the first connecting tube 7 is against the outer ring wall of the rotating tube 3;

[0037] Sealing swivel 8, the number of the sealing swivel 8 is two, the inner ring wall of the No. 1 connecting tube 7 and the outer ring wall of the rotating tube 3 are provided with opposite ring grooves, and the sealing swivel 8 is movably embedded in the two ring grooves;

[0038] No. 2 connecting pipe 9, the number of the No. 2 connecting pipe 9 is two, and they are respectively connected to the outer end of the No. 1 connecting pipe 7, and the bottom of the No. 2 connecting pipe 9 is connected to the transition pipe 10;

[0039] A water pump 11, the water pump 11 is fixed to the left frame 2 by bolts, the water pump 11 is connected to an external power supply, and the specific model of the water pump 11 is directly purchased and installed from the market according to actual use requirements; the water inlet end of the water pump 11 is connected to the left transition pipe 10 through a No. 1 water guide pipe 12;

[0040] The heat dissipation pipe 13 is fixed between the left and right racks 2; the water outlet of the water pump 11 is connected to the heat dissipation pipe 13 through the No. 2 water guide pipe 14; the right end of the heat dissipation pipe 13 is connected to the right transition pipe 10 through the No. 3 water guide pipe 15; the diameter of the heat dissipation pipe 13 is larger than the diameters of the No. 2 water guide pipe 14 and the No. 3 water guide pipe 15;

[0041] The fans 16 are provided in multiple numbers on the heat dissipation pipes 13 respectively. The fans 16 are connected to an external power source. The specific models of the fans 16 are purchased and installed directly from the market according to actual use requirements.

[0042] The heat dissipation mechanism 17 is connected to the heat dissipation pipe 13; the heat dissipation mechanism 17 comprises:

[0043] The bellows 17-1 is fixed between the left and right frames 2, and the fan 16 is mounted on the bellows 17-1; the lower part of the bellows 17-1 is arranged from wide to narrow from top to bottom;

[0044] The number of the air ducts 17-2 is several and they are respectively arranged through the bottom of the wind box 17-1. The air ducts 17-2 are arranged one by one with the fans 16, and two adjacent air ducts 17-2 are arranged to be inclined outwards relative to each other;

[0045] The heat sink 17-3 is a plurality of heat sinks 17-3, and each of the heat sinks 17-3 corresponds to the air duct 17-2. The heat sink 17-3 is inserted on the heat pipe 13;

[0046] In Example 1, the rubber roller body 1 is filled with coolant, and the water pump 11 is started. The water pump 11 allows the coolant in the rubber roller body 1 to circulate clockwise; the rotating motor 6 is started to rotate the No. 2 gear 5, which drives the No. 1 gear 4 to rotate, so that the rubber roller body 1 rotates, and the sealing swivel 8 does not affect the rotation of the rubber roller body 1; the fan 16 is started to blow air onto the heat sink 17-3 through the air duct 17-2. When the coolant passes through the heat pipe 13, the diameter of the heat pipe 13 is larger than the diameter of the No. 2 water pipe 14 and the No. 3 water pipe 15, so that the flow rate of the coolant in the heat pipe 13 is slowed down, and the heat sink 17-3 has sufficient time to take out the heat. The air duct 17-2 blows air onto the heat sink 17-3 to cool it down, so that the rubber roller body 1 can be cooled down in time, the service life is extended, and the durability is enhanced. Embodiment 2:

[0047] See also Figure 1-2 On the basis of Example 1, a heat insulation board 18 is fixed between the left and right frames 2 by bolts, and the heat insulation board 18 is arranged above the fan 16; a triangular slope board 19 is arranged below the heat insulation board 18, and wind scoops 20 are connected through both the front and rear sides of the triangular slope board 19, and the diameter of the wind scoops 20 is arranged from large to small from top to bottom; the wind scoops 20 are arranged above the fan 16;

[0048] With this embodiment, the heat insulation board 18 reduces the heat generated by the fan 16 when printing, and the diameter of the wind scoop 20 is arranged from large to small from top to bottom, so that the temperature of the gas sucked by the fan 16 is reduced. Embodiment 3:

[0049] See also Figure 3 On the basis of Example 1, a transmission tube 21 is provided in the rubber roller body 1, and the transmission tube 21 is connected with the rotating tube 3 on the left side through the transmission tube 21. The transmission tube 21 is a broken line structure. After the transmission tube 21 winds a circle in the rubber roller body 1, its outlet is arranged below the rotating tube 3 on the left side;

[0050] With this embodiment, the liquid coming out of the rotating tube 3 on the left side passes through the transfer tube 21, rotates once in the rubber roller body 1, comes out from the bottom of the rotating tube 3 on the left side, rotates once again in the rubber roller body 1, and is discharged through the rotating tube 3 on the right side, so that the rubber roller body 1 can dissipate heat evenly.

[0051] The working principle of this specific embodiment is as follows: the rubber roller body 1 is filled with coolant, and the water pump 11 is started. The water pump 11 makes the coolant in the rubber roller body 1 circulate clockwise. The liquid coming out of the left rotating tube 3 passes through the transfer tube 21, rotates one circle in the rubber roller body 1, comes out from the bottom of the left rotating tube 3, rotates one circle in the rubber roller body 1, and is discharged through the right rotating tube 3, so that the rubber roller body 1 can dissipate heat evenly; the rotating motor 6 is started to rotate the No. 2 gear 5, which drives the No. 1 gear 4 to rotate, so that the rubber roller body 1 The sealing swivel 8 rotates so that the rubber roller body 1 does not affect its rotation; the fan 16 is started to blow air onto the heat sink 17-3 through the air duct 17-2. When the coolant passes through the heat pipe 13, the diameter of the heat pipe 13 is larger than the diameter of the second water pipe 14 and the third water pipe 15, so that the flow rate of the coolant in the heat pipe 13 is slowed down, and the heat sink 17-3 has sufficient time to take out the heat. The air duct 17-2 blows air onto the heat sink 17-3 to cool it down, so that the rubber roller body 1 can be cooled in time, the service life is extended, and the durability is enhanced.

[0052] After adopting the above structure, the beneficial effects of this specific implementation are:

[0053] 1. The coolant circulates in the rubber roller body 1, so that the rubber roller body 1 can be cooled in time, prolonging its service life and enhancing its durability;

[0054] 2. A heat dissipation pipe 13 and a fan 16 are provided. The diameter of the heat dissipation pipe 13 is larger than the diameters of the second water pipe 14 and the third water pipe 15, so that the flow rate of the coolant in the heat dissipation pipe 13 is slowed down, and sufficient time is given to dissipate heat, thereby improving practicality.

[0055] The above description is only used to illustrate the technical solution of the utility model rather than to limit it. Other modifications or equivalent substitutions made to the technical solution of the utility model by ordinary technicians in this field should be included in the scope of the claims of the utility model as long as they do not depart from the spirit and scope of the technical solution of the utility model.

Claims

1. A highly durable offset rubber roller, comprising a rubber roller body (1) and a frame (2); the frame (2) is provided on the left and right of the rubber roller body (1); It is characterized in that It also contains: A rotating tube (3), wherein the number of the rotating tubes (3) is two, the rubber roller body (1) is a hollow structure, the rotating tube (3) is connected to the rubber roller body (1) at both ends, and the rotating tube (3) is screwed and plugged onto the frame (2) via a bearing; a first gear (4) is sleeved and fixed on the rotating tube (3), and a second gear (5) is meshed below the first gear (4); A rotating motor (6), wherein the rotating motor (6) is fixed to the left frame (2) via a bracket, and the rotating motor (6) is connected to an external power source; an output shaft of the rotating motor (6) is connected to the left second gear (5); A No. 1 connecting tube (7), wherein the number of the No. 1 connecting tubes (7) is two and each of the connecting tubes (7) is movably inserted into the rotating tube (3), and the inner annular wall of the No. 1 connecting tube (7) is abutted against the outer annular wall of the rotating tube (3); A sealing swivel (8), wherein the number of the sealing swivel (8) is two, and opposite annular grooves are provided on the inner annular wall of the No. 1 connecting tube (7) and the outer annular wall of the rotating tube (3), and the sealing swivel (8) is movably embedded in the two annular grooves; No. 2 connecting pipe (9), the number of the No. 2 connecting pipe (9) is two, and they are respectively connected to the outer end of the No. 1 connecting pipe (7), and the bottom of the No. 2 connecting pipe (9) is connected to the transition pipe (10); A water pump (11), wherein the water pump (11) is fixed on the left frame (2), and the water pump (11) is connected to an external power supply; a water inlet end of the water pump (11) is connected to the left transition pipe (10) via a No. 1 water guide pipe (12); A heat dissipation pipe (13), wherein the heat dissipation pipe (13) is fixed between the left and right frames (2); the water outlet end of the water pump (11) is connected to the heat dissipation pipe (13) via the No. 2 water guide pipe (14); the right end of the heat dissipation pipe (13) is connected to the right transition pipe (10) via the No. 3 water guide pipe (15); the diameter of the heat dissipation pipe (13) is larger than the diameters of the No. 2 water guide pipe (14) and the No. 3 water guide pipe (15); Fans (16), wherein the number of the fans (16) is plural and they are respectively arranged on the heat dissipation pipes (13), and the fans (16) are connected to an external power supply; A heat dissipation mechanism (17), wherein the heat dissipation mechanism (17) is connected to the heat dissipation pipe (13).

2. The highly durable offset rubber roller according to claim 1, characterized in that: The heat dissipation mechanism (17) comprises: A bellows (17-1), wherein the bellows (17-1) is fixed between the left and right frames (2), and the fan (16) is mounted on the bellows (17-1); the lower portion of the bellows (17-1) is arranged from wide to narrow from top to bottom; Air ducts (17-2), the number of the air ducts (17-2) being several and respectively penetrating the bottom of the wind box (17-1), the air ducts (17-2) being arranged in one-to-one correspondence with the fans (16), and two adjacent air ducts (17-2) being arranged to be inclined outwards relative to each other; The heat sink (17-3) is a plurality of heat sinks (17-3) and is respectively arranged in one-to-one correspondence with the air ducts (17-2). The heat sink (17-3) is inserted into the heat radiating duct (13).

3. The highly durable offset rubber roller according to claim 1, characterized in that: The heat insulation board (18) is fixed between the left and right frames (2), and the heat insulation board (18) is arranged above the fan (16).

4. The highly durable offset rubber roller according to claim 3, characterized in that: A triangular slope plate (19) is provided below the heat insulation plate (18), and wind scoops (20) are connected through both the front and rear sides of the triangular slope plate (19), and the diameter of the wind scoop (20) is arranged from large to small from top to bottom; the wind scoop (20) is arranged above the fan (16).

5. The highly durable offset rubber roller according to claim 1, characterized in that: A transfer tube (21) is provided in the rubber roller body (1), and the transfer tube (21) is connected to the rotating tube (3) on the left side through the transfer tube (21). The transfer tube (21) is a broken line structure. After the transfer tube (21) winds a circle in the rubber roller body (1), its outlet is provided below the rotating tube (3) on the left side.

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