CN214221673U

CN214221673U - Hydraulic cylinder with water-cooled heat radiation structure for oil press

Info

Publication number: CN214221673U
Application number: CN202120055333.XU
Authority: CN
Inventors: 吴志炫; 吴志良
Original assignee: Jinjiang Bohong Machinery Co ltd
Current assignee: Jinjiang Bohong Machinery Co ltd
Priority date: 2021-01-11
Filing date: 2021-01-11
Publication date: 2021-09-17
Anticipated expiration: 2031-01-11

Abstract

The utility model discloses an oil press is with hydraulic cylinder that has water-cooled heat radiation structure, including cylinder body, output shaft, valve plate and liquid pipe, install the output shaft in the cylinder body, and the bottom and the valve plate of output shaft link to each other to the valve plate closely laminates and sliding connection is in the inside of cylinder body, install liquid pipe on the cylinder body, and the internally mounted of cylinder body has first cooling tube and second cooling tube, the first connecting tube of avris and second connecting tube of cylinder body, and end play between them is linked together with the output and the input of circulating pump respectively, the water cavity has been seted up to the inside of valve plate, and the up end and the lower terminal surface in water cavity are linked together with first cooling tube and second cooling tube respectively. This hydraulic cylinder with water-cooled heat radiation structure for hydraulic press through the mode of pipe at the cold night of setting up in the cylinder body inside, improves the contact efficiency of water-cooling region and inner area, great improvement the radiating efficiency, can not influence the normal removal of valve plate moreover, structural design is more reasonable.

Description

Hydraulic cylinder with water-cooled heat radiation structure for oil press

Technical Field

The utility model relates to a hydraulic cylinder technical field specifically is a hydraulic cylinder with water-cooled heat radiation structure for oil press.

Background

The hydraulic press utilizes hydraulic oil as main power, carries out the pressfitting operation to the article, and wherein main power equipment is hydraulic cylinder, commonly known as the hydraulic stem, utilizes the hydraulic pressure principle, through the flow control to hydraulic oil, drive inside valve plate and move along the axis in the cylinder body to make the corresponding extension of output shaft on the valve plate or retract, thereby realize the purpose of the corresponding removal of external article of control, but current hydraulic cylinder has following problem when in actual use:

because piston/valve plate frequently moves in the cylinder body, hydraulic oil frequently flows in the cylinder body, can lead to the inside production of a large amount of heats of cylinder body, uses for a long time and leads to the carbonization easily, reduces work efficiency, and current heat radiation structure, generally directly encircle and carry out air-cooling or water-cooling in device periphery, when the cylinder body is bulky, cold and hot exchange efficiency is lower, and the radiating effect is not good.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an oil press is with hydraulic cylinder that has water-cooled heat radiation structure, with solve and propose in the above-mentioned background art because piston/valve plate frequently moves in the cylinder body, hydraulic oil frequently flows in the cylinder body, can lead to the inside a large amount of heats that produces of cylinder body, long-time use leads to the carbonization easily, reduce work efficiency, and current heat radiation structure, generally directly encircle and carry out forced air cooling or water-cooling in the device periphery, when the cylinder body volume is great, cold and hot exchange efficiency is lower, the not good problem of radiating effect.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an oil press is with hydraulic cylinder that has water-cooled heat radiation structure, includes cylinder body, output shaft, valve plate and leads to the liquid pipe, install the output shaft in the cylinder body, and the bottom and the valve plate of output shaft link to each other to the valve plate closely laminates and sliding connection is in the inside of cylinder body, install on the cylinder body and lead to the liquid pipe, and the internally mounted of cylinder body has first cooling tube and second cooling tube, the first connecting pipe of avris and the second connecting pipe of cylinder body, and end play between them is linked together with the output and the input of circulating pump respectively, the water cavity has been seted up to the inside of valve plate, and the up end and the lower terminal surface in water cavity are linked together with first cooling tube and second cooling.

Preferably, first cooling tube and second cooling tube are the heliciform and distribute, and first cooling tube is around the peripheral and the bottom mounting at the up end of valve plate of output shaft to the lower terminal surface at the valve plate is fixed on the top of second cooling tube, and the material structure homogeneous phase of second cooling tube and first cooling tube is the same, and the spiral connection joint department between them all is provided with the connecting piece.

Preferably, the two ends of the connecting piece are fixed with annular bulges, and the connecting piece is internally provided with a cavity.

Preferably, two ends of the cavity are respectively communicated with two ends of a break-off part of the first cooling pipe, and the inner wall of the break-off part of the first cooling pipe is tightly attached to the annular bulge and forms a movable connection structure.

Preferably, the first connecting pipe and the second connecting pipe are both distributed in a continuously bent serpentine shape and are respectively communicated with the first cooling pipe and the second cooling pipe.

Compared with the prior art, the beneficial effects of the utility model are that: according to the hydraulic oil cylinder with the water-cooled heat dissipation structure, the contact efficiency between a water-cooled area and an internal area is improved in a mode of arranging the cooling liquid pipe inside the cylinder body, the heat dissipation efficiency is greatly improved, the normal movement of a valve plate cannot be influenced, the structural design is more reasonable, and the hydraulic oil cylinder can run more efficiently;

1. by means of the mode that the water cavity is formed in the valve plate and the cooling pipes are arranged in the cylinder body, cooling liquid can be in contact with the interior of the oil cylinder more fully, the heat dissipation efficiency is improved, and meanwhile, the whole thickness of each cooling pipe can be automatically adjusted correspondingly according to the movement of the valve plate through the use of the connecting piece;

2. the use of first connecting pipe and second connecting pipe makes the coolant liquid in each cooling tube can be in circulation flow under the effect of circulating pump to the self structural design of connecting pipe can make the coolant liquid after the absorption heat fully the heat transfer with the external world.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is an enlarged cross-sectional view taken along line A of FIG. 1 according to the present invention;

FIG. 3 is a schematic side view of the present invention;

fig. 4 is the schematic view of the valve plate structure of the present invention.

In the figure: 1. a cylinder body; 2. an output shaft; 3. a valve plate; 4. a liquid pipe is communicated; 5. a first cooling pipe; 6. a second cooling pipe; 7. a connecting member; 8. an annular projection; 9. a cavity; 10. a first connecting pipe; 11. a second connecting pipe; 12. a circulation pump; 13. a water chamber.

Detailed Description

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

Referring to fig. 1-4, the present invention provides a technical solution: a hydraulic cylinder with a water-cooled heat dissipation structure for an oil press comprises a cylinder body 1, an output shaft 2, a valve plate 3, a liquid through pipe 4, a first cooling pipe 5, a second cooling pipe 6, a connecting piece 7, an annular bulge 8, a cavity 9, a first connecting pipe 10, a second connecting pipe 11, a circulating pump 12 and a water cavity 13, wherein the output shaft 2 is installed in the cylinder body 1, the bottom end of the output shaft 2 is connected with the valve plate 3, the valve plate 3 is closely attached and is connected in the cylinder body 1 in a sliding way, the cylinder body 1 is provided with a liquid through pipe 4, and a first cooling pipe 5 and a second cooling pipe 6 are installed inside the cylinder body 1, a first connecting pipe 10 and a second connecting pipe 11 are installed at the side of the cylinder body 1, the end outlets of the two are respectively communicated with the output end and the input end of a circulating pump 12, a water cavity 13 is arranged inside the valve plate 3, and the upper end surface and the lower end surface of the water cavity 13 are respectively communicated with the first cooling pipe 5 and the second cooling pipe 6.

The first cooling pipe 5 and the second cooling pipe 6 are distributed spirally, the first cooling pipe 5 surrounds the output shaft 2, the bottom end of the first cooling pipe 5 is fixed on the upper end surface of the valve plate 3, the top end of the second cooling pipe 6 is fixed on the lower end surface of the valve plate 3, the material structures of the second cooling pipe 6 and the first cooling pipe 5 are the same, the spiral connecting joints of the first cooling pipe 5 and the second cooling pipe 5 are respectively provided with a connecting piece 7, two ends of the connecting piece 7 are fixed with annular bulges 8, a cavity 9 is arranged inside the connecting piece 7, two ends of the cavity 9 are respectively communicated with two ends of the disconnected part of the first cooling pipe 5, the inner wall of the disconnected part of the first cooling pipe 5 is tightly attached to the annular bulges 8 and forms a movable connecting structure, when the valve plate 3 moves up and down, the first cooling pipe 5 and the second cooling pipe 6 respectively rotate relative to the connected part of the connecting piece 7 with the tubular structure, the cavity 9 arranged inside the connecting piece 7 is used for normal passing of cooling liquid, the annular protrusion 8 is used to ensure the sealing property of the connection between the connecting member 7 and the cooling pipe, so that when the valve plate 3 moves up and down, the overall thickness of the first cooling pipe 5 and the second cooling pipe 6 is increased or decreased accordingly.

The first connecting pipe 10 and the second connecting pipe 11 are both in continuous bent serpentine distribution and are respectively communicated with the first cooling pipe 5 and the second cooling pipe 6, the operation of the circulating pump 12 enables cooling liquid in the first cooling pipe 5 and the second cooling pipe 6 to circularly flow, and when the cooling liquid flows in the first cooling pipe 5 and the second cooling pipe 6, the cooling liquid correspondingly passes through the water cavity 13 inside the valve plate 3 shown in fig. 4, so that the synchronous heat dissipation operation is performed on the hydraulic oil inside the valve plate 3 and the cylinder body 1, when the cooling liquid flows in the first connecting pipe 10 and the second connecting pipe 11, the heat is dissipated again after absorbing heat, and the cooling liquid flows into each cooling pipe again after exchanging heat with outside air.

The working principle is as follows: firstly, hydraulic oil flows in the cylinder body 1 through the liquid through pipe 4, the position of the valve plate 3 is controlled through the control flow direction, so that the movement of the output shaft 2 is controlled, the operation of the circulating pump 12 enables the cooling liquid in the first cooling pipe 5 and the second cooling pipe 6 to circularly flow, when the cooling liquid flows in the first cooling pipe 5 and the second cooling pipe 6, the cooling liquid correspondingly passes through the water cavity 13 inside the valve plate 3 shown in figure 4, so that the synchronous heat dissipation operation is carried out on the hydraulic oil inside the valve plate 3 and the cylinder body 1, when the cooling liquid flows in the first connecting pipe 10 and the second connecting pipe 11, the heat dissipation is carried out again after absorbing heat, when the cooling liquid exchanges heat with the outside air and then flows into each cooling pipe, correspondingly, when the valve plate 3 moves up and down, the joints of the first cooling pipe 5 and the second cooling pipe 6 and the connecting piece 7 with the tubular structure rotate relatively, the cavity 9 that the inside was seted up of connecting piece 7 is used for the normal traffic of coolant liquid, and annular protrusion 8 is then in order to guarantee the leakproofness that connecting piece 7 and cooling tube are connected, therefore when valve plate 3 reciprocated, the whole thickness of first cooling tube 5 and second cooling tube 6 can corresponding improvement or reduce, ensures that the removal of valve plate 3 can normally go on and the normal realization of cooling function.

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

Claims

1. The utility model provides an oil press is with hydraulic cylinder that has water-cooled heat radiation structure, includes cylinder body (1), output shaft (2), valve plate (3) and leads to liquid pipe (4), its characterized in that: install output shaft (2) in cylinder body (1), and the bottom and valve plate (3) of output shaft (2) link to each other to valve plate (3) closely laminate and sliding connection is in the inside of cylinder body (1), install on cylinder body (1) and lead to liquid pipe (4), and the internally mounted of cylinder body (1) has first cooling tube (5) and second cooling tube (6), the first connecting pipe of avris (10) and second connecting pipe (11) of cylinder body (1), and end play between them is linked together with the output and the input of circulating pump (12) respectively, water cavity (13) have been seted up to the inside of valve plate (3), and the up end and the lower terminal surface of water cavity (13) are linked together with first cooling tube (5) and second cooling tube (6) respectively.

2. The hydraulic cylinder with the water-cooled heat dissipation structure for the oil press according to claim 1, characterized in that: first cooling tube (5) and second cooling tube (6) are the heliciform and distribute, and first cooling tube (5) are around the periphery of output shaft (2) and the up end of bottom mounting at valve plate (3) to the lower terminal surface at valve plate (3) is fixed on the top of second cooling tube (6), and the material structure homogeneous phase of second cooling tube (6) and first cooling tube (5) is the same, and the spiral connection joint department between them all is provided with connecting piece (7).

3. The hydraulic cylinder with the water-cooled heat dissipation structure for the oil press according to claim 2, characterized in that: annular bulges (8) are fixed at two ends of the connecting piece (7), and a cavity (9) is arranged in the connecting piece (7).

4. The hydraulic cylinder with the water-cooled heat dissipation structure for the oil press according to claim 3, characterized in that: the two ends of the cavity (9) are respectively communicated with the two ends of the disconnected part of the first cooling pipe (5), and the inner wall of the disconnected part of the first cooling pipe (5) is tightly attached to the annular bulge (8) to form a movable connecting structure.

5. The hydraulic cylinder with the water-cooled heat dissipation structure for the oil press according to claim 1, characterized in that: the first connecting pipe (10) and the second connecting pipe (11) are distributed in a continuously bent snake shape and are respectively communicated with the first cooling pipe (5) and the second cooling pipe (6).