阅读说明：本技术 一种具有清洁功能的散热效果好的液压机 (Hydraulic press with good heat dissipation effect and cleaning function ) 是由 董赵卜 于 2019-09-29 设计创作，主要内容包括：本发明涉及一种具有清洁功能的散热效果好的液压机,包括工作台、中间梁、上横梁、液压缸、活塞柱、油箱、输油管和四个立柱,还包括清洁机构和散热机构,清洁机构包括支撑环、环形齿条、转动套管、环形槽、驱动组件、两个橡胶圈、至少两个清洁组件和至少两个支撑杆,散热机构包括气缸、活塞块、排气槽、连接杆和输气管,驱动组件包括电机和齿轮,清洁组件包括安装块、安装槽和清洁刷,该具有清洁功能的散热效果好的液压机中,通过清洁机构可以对活塞柱进行清洁,减少了活塞柱上灰尘和杂质的数量,减轻了活塞柱与液压缸之间的磨损,通过散热机构可以对油箱内部的液压油进行散热,降低了液压油的温度,提升了液压油的品质。(the invention relates to a hydraulic press with a cleaning function and a good heat dissipation effect, which comprises a workbench, a middle beam, an upper beam, a hydraulic cylinder, a piston column, an oil tank, an oil delivery pipe, four upright columns, a cleaning mechanism and a heat dissipation mechanism, wherein the cleaning mechanism comprises a support ring, an annular rack, a rotating sleeve, an annular groove, a driving assembly, two rubber rings, at least two cleaning assemblies and at least two support rods, the heat dissipation mechanism comprises an air cylinder, a piston block, an exhaust groove, a connecting rod and a gas delivery pipe, the driving assembly comprises a motor and a gear, the cleaning assembly comprises a mounting block, a mounting groove and a cleaning brush, in the hydraulic press with the cleaning function and the good heat dissipation effect, the piston column can be cleaned through the cleaning mechanism, the quantity of dust and impurities on the piston column is reduced, the abrasion between the piston column and the hydraulic cylinder is reduced, the hydraulic oil in the oil tank can be dissipated, the temperature of the hydraulic oil is reduced, and the quality of the hydraulic oil is improved.)

1. the hydraulic machine with the cleaning function and the good heat dissipation effect comprises a workbench (11), a middle beam (9), an upper cross beam (3), a hydraulic cylinder (4), a piston column (10), an oil tank (13), an oil delivery pipe (7) and four upright columns (12), wherein the upper cross beam (3) is connected with the workbench (11) through the upright columns (12), the middle beam (9) is installed on the upright columns (12), the hydraulic cylinder (4) is installed on the upper cross beam (3), the piston column (10) is installed inside the hydraulic cylinder (4), the piston column (10) is connected with the middle beam (9), the oil tank (13) is arranged on one side of the workbench (11), the oil tank (13) is connected with the hydraulic cylinder (4) through the oil delivery pipe (7), and is characterized by further comprising a cleaning mechanism and a heat dissipation mechanism, wherein the cleaning mechanism and the heat dissipation mechanism are both arranged on the upper cross beam (3), the cleaning mechanism is connected with the piston column (10), and the heat dissipation mechanism is connected with the oil delivery pipe (7);

the cleaning mechanism comprises a support ring (21), an annular rack (17), a rotating sleeve (19), an annular groove (20), a driving assembly, two rubber rings (18), at least two cleaning assemblies and at least two support rods (14), wherein the rotating sleeve (19), the annular rack (17) and the support ring (21) are coaxially arranged with a piston column (10), the piston column (10) penetrates through the rotating sleeve (19), each cleaning assembly is uniformly arranged on the inner side of the rotating sleeve (19) along the circumferential direction of the axis of the rotating sleeve (19), each cleaning assembly is connected with the piston column (10), the annular groove (20) is arranged on the periphery of the rotating sleeve (19), the support ring (21) is sleeved on the periphery of the rotating sleeve (19), the inner diameter of the support ring (21) is smaller than the outer diameter of the rotating sleeve (19), the inner side of the support ring (21) is arranged inside the annular groove (20), the supporting ring (21) is in sliding connection with the inner wall of the annular groove (20), the supporting ring (21) is fixedly connected with the upper cross beam (3) through support rods (14), the two rubber rings (18) are respectively arranged on the peripheries of two ends of the rotating sleeve (19), the rotating sleeve (19) is in sealing connection with the piston column (10) through the rubber rings (18), the annular rack (17) is arranged on the periphery of one end of the rotating sleeve (19), the driving assembly is arranged on one support rod (14), and the driving assembly is connected with the annular rack (17);

The heat dissipation mechanism comprises a cylinder (1), a piston block (25), an exhaust groove (5), a connecting rod (8) and a gas pipe (2), the cylinder (1) is parallel to the upright post (12), the bottom end of the cylinder (1) is fixedly connected with one side of the upper cross beam (3), the bottom end of the cylinder (1) is provided with an opening, the piston block (25) is arranged in the cylinder (1), the piston block (25) is connected with the inner wall of the cylinder (1) in a sliding and sealing way, the connecting rod (8) and the cylinder (1) are coaxially arranged, the middle beam (9) is fixedly connected with the piston block (25) through the connecting rod (8), the top end of the air cylinder (1) is communicated with one end of the air pipe (2), the air pipe (2) is fixedly connected with the hydraulic cylinder (4), the exhaust groove (5) is arranged on one side of the oil delivery pipe (7), and the exhaust pipe is communicated with the gas delivery pipe (2).

2. The hydraulic machine with the cleaning function and the good heat dissipation effect as claimed in claim 1, wherein a control box is arranged on one side of the workbench (11), a PLC is arranged inside the control box, a display screen and at least two control keys are arranged on the control box, and the display screen and the control keys are electrically connected with the PLC.

3. the hydraulic machine with the cleaning function and the good heat dissipation effect as recited in claim 1, wherein the driving assembly comprises a motor (15) and a gear (16), the motor (15) is fixedly connected with one of the support rods (14), the motor (15) is in transmission connection with the gear (16), and the gear (16) is meshed with the annular rack (17).

4. The hydraulic machine with the cleaning function and the good heat dissipation effect as recited in claim 1, wherein the cleaning assembly comprises a mounting block (23), a mounting groove (22) and a cleaning brush (24), the mounting groove (22) is parallel to the axis of the rotating sleeve (19), the mounting groove (22) is arranged on the inner wall of the rotating sleeve (19), the length of the mounting groove (22) is smaller than the height of the rotating sleeve (19), the top end of the mounting groove (22) is communicated with the outside, the mounting block (23) is matched with the mounting groove (22), the mounting block (23) is arranged inside the mounting groove (22), the cleaning brush (24) is fixedly connected with the mounting block (23), and the cleaning brush (24) abuts against the piston column (10).

5. The hydraulic machine with cleaning function and good heat dissipation effect according to claim 4, characterized in that the mounting groove (22) is a dovetail groove.

6. The hydraulic machine with cleaning function and good heat dissipation effect according to claim 1, characterized in that at least two fins (6) are arranged on the oil delivery pipe (7).

7. the hydraulic machine with cleaning function and good heat dissipation effect according to claim 1, characterized in that an opening at one side of the exhaust groove (5) is covered with a dust screen.

8. the hydraulic machine with cleaning function and good heat dissipation effect according to claim 1, characterized in that the piston block (25) is coated with sealing grease.

9. The hydraulic machine with cleaning function and good heat dissipation effect according to claim 1, characterized in that the inner wall of the annular groove (20) is coated with grease.

10. The hydraulic machine with the cleaning function and the good heat dissipation effect as recited in claim 1, wherein the inner walls of the two sides of the annular groove (20) are uniformly provided with at least two balls in the circumferential direction, and the annular groove (20) is in rolling connection with the support ring (21) through the balls.

Technical Field

The invention relates to the field of hydraulic equipment, in particular to a hydraulic machine with a cleaning function and a good heat dissipation effect.

Background

The hydraulic equipment is a carrier of the hydraulic system, a complete hydraulic system consists of five parts, namely a power element, an executive element, a control element, an auxiliary element and hydraulic oil, the hydraulic equipment is a combination of the parts, the transmission force of the hydraulic equipment is large, the transmission and the configuration are easy, the hydraulic equipment is widely applied to industrial and civil industries, the executive element hydraulic cylinder and the hydraulic motor of the hydraulic system are used for converting the pressure energy of liquid into mechanical energy to obtain required linear reciprocating motion or rotary motion, and the elements can be modified at will according to the action to be designed to achieve the work to be finished.

the hydraulic machine is one kind of hydraulic equipment, and in its in-process of working, if the temperature of hydraulic oil is too high, will cause the hydraulic oil viscosity to change, reduce the transmission efficiency and the lubricated effect of hydraulic oil, moreover, the hydraulic machine of prior art is in the in-process of working, if the piston post is stained with debris, will accelerate the wearing and tearing between piston post and the pneumatic cylinder, reduces the sealing performance between pneumatic cylinder and the piston and live, has increased the fault rate of hydraulic machine.

Disclosure of Invention

the technical problem to be solved by the invention is as follows: in order to overcome the defects of the prior art, the hydraulic machine with the cleaning function and the good heat dissipation effect is provided.

The technical scheme adopted by the invention for solving the technical problems is as follows: a hydraulic machine with a cleaning function and a good heat dissipation effect comprises a workbench, a middle beam, an upper cross beam, a hydraulic cylinder, a piston column, an oil tank, an oil delivery pipe and four stand columns, wherein the upper cross beam is connected with the workbench through the stand columns, the middle beam is installed on the stand columns, the hydraulic cylinder is installed on the upper cross beam, the piston column is installed inside the hydraulic cylinder, the piston column is connected with the middle beam, the oil tank is arranged on one side of the workbench, the oil tank is connected with the hydraulic cylinder through the oil delivery pipe, the hydraulic machine further comprises a cleaning mechanism and a heat dissipation mechanism, the cleaning mechanism and the heat dissipation mechanism are both arranged on the upper cross beam, the cleaning mechanism is connected with the piston column, and the heat dissipation mechanism is connected with the oil;

The cleaning mechanism comprises a support ring, an annular rack, a rotating sleeve, an annular groove, a driving assembly, two rubber rings, at least two cleaning assemblies and at least two support rods, wherein the rotating sleeve, the annular rack and the support ring are coaxially arranged with a piston column, the piston column penetrates through the rotating sleeve, each cleaning assembly is uniformly arranged on the inner side of the rotating sleeve in the circumferential direction around the axis of the rotating sleeve, each cleaning assembly is connected with the piston column, the annular groove is arranged on the periphery of the rotating sleeve, the support ring is sleeved on the periphery of the rotating sleeve, the inner diameter of the support ring is smaller than the outer diameter of the rotating sleeve, the inner side of the support ring is arranged in the annular groove, the support ring is in sliding connection with the inner wall of the annular groove, the support ring is fixedly connected with an upper cross beam through the support rods, and the two rubber rings are respectively arranged, the rotating sleeve is hermetically connected with the piston column through a rubber ring, the annular rack is arranged on the periphery of one end of the rotating sleeve, the driving assembly is arranged on one of the supporting rods, and the driving assembly is connected with the annular rack;

The heat dissipation mechanism includes cylinder, piston block, air discharge duct, connecting rod and gas-supply pipe, the cylinder is parallel with the stand, the bottom of cylinder and one side fixed connection of entablature, the bottom of cylinder is equipped with the opening, the piston block sets up the inside at the cylinder, the inner wall slip and sealing connection of piston block and cylinder, the connecting rod sets up with the cylinder is coaxial, the centre sill passes through connecting rod and piston block fixed connection, the top of cylinder and the one end intercommunication of gas-supply pipe, gas-supply pipe and pneumatic cylinder fixed connection, the air discharge duct sets up in one side of defeated oil pipe, blast pipe and gas-supply pipe intercommunication.

Preferably, in order to improve the automation degree of the hydraulic press, a control box is arranged on one side of the workbench, a PLC is arranged in the control box, a display screen and at least two control keys are arranged on the control box, and the display screen and the control keys are electrically connected with the PLC.

Preferably, in order to provide power for the rotating sleeve, the driving assembly comprises a motor and a gear, the motor is fixedly connected with one of the supporting rods, the motor is in transmission connection with the gear, and the gear is meshed with the annular rack.

Preferably, in order to clean the piston column, the cleaning assembly comprises an installation block, an installation groove and a cleaning brush, the installation groove is parallel to the axis of the rotating sleeve, the installation groove is formed in the inner wall of the rotating sleeve, the length of the installation groove is smaller than the height of the rotating sleeve, the top end of the installation groove is communicated with the outside, the installation block is matched with the installation groove, the installation block is arranged inside the installation groove, the cleaning brush is fixedly connected with the installation block, and the cleaning brush is abutted to the piston column.

Preferably, in order to improve the stability of the mounting block, the mounting groove is a dovetail groove.

Preferably, in order to improve the heat dissipation efficiency of the oil delivery pipe, at least two fins are arranged on the oil delivery pipe.

preferably, in order to improve the dustproof performance of the exhaust groove, the opening at one side of the exhaust groove is covered with a dustproof net.

Preferably, the piston block is coated with a sealing grease in order to improve the sealing performance of the piston block.

Preferably, in order to improve the smoothness of the rotation of the rotary sleeve, the inner wall of the annular groove is coated with grease.

preferably, in order to further improve the smoothness of the rotation of the rotating sleeve, at least two balls are uniformly arranged on the inner walls of the two sides of the annular groove in the circumferential direction, and the annular groove is in rolling connection with the support ring through the balls.

The hydraulic press with the cleaning function and the good heat dissipation effect has the advantages that the piston column can be cleaned through the cleaning mechanism, the quantity of dust and impurities on the piston column is reduced, abrasion between the piston column and the hydraulic cylinder is reduced, and the failure rate of the hydraulic press is reduced.

drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic structural diagram of a hydraulic press with a cleaning function and a good heat dissipation effect, provided by the invention;

FIG. 2 is a schematic structural diagram of a cleaning mechanism of the hydraulic press with a cleaning function and a good heat dissipation effect, provided by the invention;

FIG. 3 is a cross-sectional view of the cleaning mechanism of the hydraulic press with good heat dissipation of the cleaning function of the present invention;

FIG. 4 is a cross-sectional view of the cylinder of the hydraulic press with good heat dissipation of the cleaning function of the present invention;

in the figure: 1. the air cylinder, 2, an air pipe, 3, an upper cross beam, 4, a hydraulic cylinder, 5, an exhaust groove, 6, a fin, 7, an oil pipe, 8, a connecting rod, 9, a middle beam, 10, a piston column, 11, a workbench, 12, an upright column, 13, an oil tank, 14, a support rod, 15, a motor, 16, a gear, 17, an annular rack, 18, a rubber ring, 19, a rotating sleeve, 20, an annular groove, 21, a support ring, 22, an installation groove, 23, an installation block, 24, a cleaning brush and 25, a piston block.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

As shown in fig. 1, a hydraulic machine with a cleaning function and a good heat dissipation effect comprises a workbench 11, a middle beam 9, an upper beam 3, a hydraulic cylinder 4, a piston column 10, an oil tank 13, an oil delivery pipe 7 and four upright columns 12, wherein the upper beam 3 is connected with the workbench 11 through the upright columns 12, the middle beam 9 is installed on the upright columns 12, the hydraulic cylinder 4 is installed on the upper beam 3, the piston column 10 is installed inside the hydraulic cylinder 4, the piston column 10 is connected with the middle beam 9, the oil tank 13 is arranged on one side of the workbench 11, and the oil tank 13 is connected with the hydraulic cylinder 4 through the oil delivery pipe 7;

The piston column 10 can be cleaned through the cleaning mechanism, the quantity of dust and impurities on the piston column 10 is reduced, abrasion between the piston column 10 and the hydraulic cylinder 4 is reduced, the fault rate of the hydraulic machine is reduced, hydraulic oil in the oil tank 13 can be radiated through the radiating mechanism, the temperature of the hydraulic oil is reduced, and the quality of the hydraulic oil is improved;

As shown in fig. 2-3, the cleaning mechanism includes a support ring 21, an annular rack 17, a rotary sleeve 19, an annular groove 20, a driving assembly, two rubber rings 18, at least two cleaning assemblies, and at least two support rods 14, the rotary sleeve 19, the annular rack 17, and the support ring 21 are all coaxially disposed with the piston post 10, the piston post 10 passes through the rotary sleeve 19, each cleaning assembly is circumferentially and uniformly disposed on the inner side of the rotary sleeve 19 around the axis of the rotary sleeve 19, each cleaning assembly is connected with the piston post 10, the annular groove 20 is disposed on the outer periphery of the rotary sleeve 19, the support ring 21 is sleeved on the outer periphery of the rotary sleeve 19, the inner diameter of the support ring 21 is smaller than the outer diameter of the rotary sleeve 19, the inner side of the support ring 21 is disposed inside the annular groove 20, the support ring 21 is slidably connected with the inner wall of the annular groove 20, the support ring 21 is fixedly connected with the upper beam, the two rubber rings 18 are respectively arranged on the periphery of two ends of the rotating sleeve 19, the rotating sleeve 19 is hermetically connected with the piston column 10 through the rubber rings 18, the annular rack 17 is arranged on the periphery of one end of the rotating sleeve 19, the driving assembly is arranged on one of the supporting rods 14, and the driving assembly is connected with the annular rack 17;

Through the supporting function of the supporting rod 14, the stability of the supporting ring 21 is improved, through the mutual limiting function between the annular groove 20 and the supporting ring 21, the stability of the rotating sleeve 19 is improved through the supporting ring 21, the driving assembly provides power, the rotating sleeve 19 is driven to rotate through the annular rack 17, each cleaning assembly is driven to rotate around the piston column 10 through the rotating sleeve 19, the cleaning range of the cleaning assembly is expanded, when the piston column 10 is lifted or is static, the piston column 10 can be cleaned through the cleaning assembly, the cleanliness of the piston column 10 is improved, meanwhile, in the lifting process of the piston column 10, dust and impurities on the piston column 10 can be scraped through the rubber strip 18, the cleanliness of the piston column 10 is further improved, the rubber strip 18 is driven to rotate through the rotating sleeve 19, and the dust and impurities accumulated on the rubber strip 18 can be thrown away under the action of centrifugal force, the rubber strip 18 is cleaned, and the service life of the rubber strip 18 is prolonged;

As shown in fig. 1 and 4, the heat dissipation mechanism includes a cylinder 1, a piston block 25, an exhaust groove 5, a connecting rod 8 and a gas pipe 2, the cylinder 1 is parallel to an upright post 12, the bottom end of the cylinder 1 is fixedly connected with one side of an upper cross beam 3, an opening is arranged at the bottom end of the cylinder 1, the piston block 25 is arranged inside the cylinder 1, the piston block 25 is slidably and hermetically connected with the inner wall of the cylinder 1, the connecting rod 8 is coaxially arranged with the cylinder 1, the middle cross beam 9 is fixedly connected with the piston block 25 through the connecting rod 8, the top end of the cylinder 1 is communicated with one end of the gas pipe 2, the gas pipe 2 is fixedly connected with a hydraulic cylinder 4, the exhaust groove 5 is arranged at one side of a gas pipe 7, and the exhaust pipe is communicated with the gas pipe 2;

At the in-process of middle beam 9 lift, reciprocate along the axis of cylinder 1 through connecting rod 8 drive piston block 25, then under piston block 25's effect, the pump-out gas release of 5 departments of air discharge duct has been realized through gas-supply pipe 2, the speed that air flows around defeated oil pipe 7 has been accelerated through the flow of 5 departments of air discharge duct air current, the speed that the heat distributes around defeated oil pipe 7 has been accelerated, then the radiating speed of the inside hydraulic oil of defeated oil pipe 7 has been improved, the temperature of hydraulic oil has been reduced, the quality of hydraulic oil has been promoted.

preferably, in order to improve the automation degree of the hydraulic press, a control box is arranged on one side of the workbench 11, a PLC is arranged in the control box, a display screen and at least two control keys are arranged on the control box, and the display screen and the control keys are electrically connected with the PLC;

the PLC is a programmable logic controller, it adopts a kind of programmable memory, it is used for its internal storage program, implement logic operation, sequence control, timing, counting and arithmetic operation, etc. and control various kinds of machinery or production process by digital or analog input/output, it is a computer specially used for industrial control, its hardware structure is basically the same as microcomputer, generally used for the processing of data and receiving and outputting of the order, used for realizing central control, the operator sends the control signal to PLC through the control key, then control the operation of the hydraulic press through PLC, can display the working condition of the hydraulic press through the display screen at the same time, then has improved the automaticity of the hydraulic press.

As shown in fig. 1, the driving assembly comprises a motor 15 and a gear 16, the motor 15 is fixedly connected with one of the support rods 14, the motor 15 is in transmission connection with the gear 16, and the gear 16 is meshed with an annular rack 17;

The gear 16 is driven to rotate by the motor 15, and then the annular rack 17 is driven to rotate by the gear 16, and further the rotary sleeve 19 is driven to rotate by the annular rack 17.

Preferably, in order to clean the piston column 10, the cleaning assembly comprises a mounting block 23, a mounting groove 22 and a cleaning brush 24, wherein the mounting groove 22 is parallel to the axis of the rotating sleeve 19, the mounting groove 22 is arranged on the inner wall of the rotating sleeve 19, the length of the mounting groove 22 is smaller than the height of the rotating sleeve 19, the top end of the mounting groove 22 is communicated with the outside, the mounting block 23 is matched with the mounting groove 22, the mounting block 23 is arranged inside the mounting groove 22, the cleaning brush 24 is fixedly connected with the mounting block 23, and the cleaning brush 24 is abutted against the piston column 10;

through the sliding connection between installation piece 23 and mounting groove 22, realized the dismouting of installation piece 23 in the inside mounting groove 22, then improved the convenient degree of cleaning brush 24 dismouting through installation piece 23, rotate through rotating sleeve 19 drive cleaning brush 22, then clean piston post 10 through cleaning brush 22.

Preferably, in order to improve the stability of the mounting block 23, the mounting groove 22 is a dovetail groove;

because the dovetail groove has a stable connection structure, the firmness of the connection between the mounting groove 22 and the mounting block 23 is improved, and the stability of the cleaning brush 24 is further improved.

Preferably, in order to improve the heat dissipation efficiency of the oil delivery pipe 7, at least two fins 6 are arranged on the oil delivery pipe 7;

the heat dissipation area of the oil delivery pipe 7 is increased through the fins 6, and the heat dissipation efficiency of the oil delivery pipe 7 is improved.

Preferably, in order to improve the dustproof performance of the exhaust duct 5, a dustproof net covers an opening on one side of the exhaust duct 5;

The probability that dust enters the cylinder 1 through the exhaust duct 5 is reduced through the dustproof net, and the dustproof performance of the exhaust duct 5 is improved.

preferably, in order to improve the sealing performance of the piston block 25, the piston block 25 is coated with sealing grease;

The clearance between the piston block 25 and the inner wall of the cylinder 1 is reduced by the sealing grease, and the sealing performance of the piston block 25 is improved.

Preferably, in order to improve the smoothness of the rotation of the rotating sleeve 19, the inner wall of the annular groove 20 is coated with grease;

The smooth degree of rotation of the rotary sleeve 19 is improved by reducing the frictional force between the support ring 21 and the inner wall of the annular groove 20 by the grease.

Preferably, in order to further improve the smoothness of the rotation of the rotating sleeve 19, at least two balls are uniformly arranged on the inner walls of the two sides of the annular groove 20 in the circumferential direction, and the annular groove 20 is in rolling connection with the support ring 21 through the balls;

The smooth degree of rotation of the rotary sleeve 19 is further improved by reducing the frictional force between the support ring 21 and the inner wall of the annular groove 20 by the balls.

the cleaning range of the cleaning assembly is enlarged by driving the cleaning assemblies to rotate around the piston column 10 through the rotating sleeve 19, when the piston column 10 is lifted or is static, the piston column 10 can be cleaned through the cleaning assemblies, the cleanliness of the piston column 10 is improved, meanwhile, in the lifting process of the piston column 10, dust and impurities on the piston column 10 can be scraped through the rubber strip 18, the cleanliness of the piston column 10 is further improved, in the lifting process of the middle beam 9, the piston block 25 is driven to move up and down along the axis of the cylinder 1 through the connecting rod 8, the air pumping and discharging at the exhaust groove 5 are realized through the air pipe 2 under the action of the piston block 25, the air flowing speed around the oil pipeline 7 is accelerated through the air flow at the exhaust groove 5, and the heat dissipation speed around the oil pipeline 7 is accelerated, the heat dissipation speed of the hydraulic oil in the oil conveying pipe 7 is increased, the temperature of the hydraulic oil is reduced, and the quality of the hydraulic oil is improved.

Compared with the prior art, in this hydraulic press that radiating effect is good with clean function, can clean piston post 10 through cleaning mechanism, the quantity of dust and impurity has been reduced on the piston post 10, the wearing and tearing between piston post 10 and pneumatic cylinder 4 have been alleviateed, the fault rate of hydraulic press has been reduced, compare with current cleaning mechanism, this cleaning mechanism passes through the connecting action between mounting groove 22 and the installation piece 23, the convenience of cleaning brush 24 change has been improved, the convenience of hydraulic press maintenance has been improved, moreover, can dispel the heat to the inside hydraulic oil of oil tank 13 through heat dissipation mechanism, the temperature of hydraulic oil has been reduced, the quality of hydraulic oil has been promoted, compare with current heat dissipation mechanism, this heat dissipation mechanism provides power through the removal of centre sill 9, the consumption of the hydraulic press energy has been reduced, the energy-saving performance of hydraulic press has been promoted.

in light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.