CN114453647B

CN114453647B - Heat dissipation oil storage bin of hydraulic plate shearing machine

Info

Publication number: CN114453647B
Application number: CN202111634947.4A
Authority: CN
Inventors: 储伯生
Original assignee: Jiangsu Xinyi Machinery Co ltd
Current assignee: Jiangsu Xinyi Machinery Co ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2023-05-05
Anticipated expiration: 2041-12-29
Also published as: CN114453647A

Abstract

The invention discloses a heat dissipation oil storage bin of a hydraulic plate shearing machine, and relates to the technical field of plate shearing machine components. The invention comprises a plate shearing machine, wherein an oil storage bin is arranged at the bottom of the plate shearing machine and comprises a channel, fins and a sealing block, the channel comprises a pipe body, an oil inlet opening and an oil outlet opening, and two ends of the pipe body are respectively communicated with the oil inlet opening and the oil outlet opening; the middle part of the pipe body is provided with a sealing block in a sealing way, and the bottom surface of the pipe body and an opening groove arranged in the sealing block form an oil liquid channel; the fin is installed to the outside of sealing block, forms the wind channel between the inboard of fin and the lateral surface of sealing block. According to the invention, the external air flows through the air duct through the air vent groove and exchanges heat with the oil passing through the oil channel, so that the hydraulic oil is cooled.

Description

Heat dissipation oil storage bin of hydraulic plate shearing machine

Technical Field

The invention belongs to the technical field of plate shearing machine components, and particularly relates to a heat dissipation oil storage bin of a hydraulic plate shearing machine.

Background

The plate shearing machine is characterized in that a reasonable blade gap is adopted by virtue of a movable upper blade and a fixed lower blade to apply shearing force to metal plates with various thicknesses, so that the plates are broken and separated according to the required size. The plate shearing machine belongs to one of forging and pressing machines, and has the main function of metal processing industry. With the rapid development of the mechanical industry, the plate shearing machine has been developed from original mechanical transmission to hydraulic transmission, and the temperature of oil in the hydraulic transmission is generally controlled to be about 60-80 ℃ and should not exceed 85 ℃ at most. If the oil temperature is too high, the hydraulic system will have the following adverse effects: (1) The viscosity of the oil is reduced, the cohesion of the oil is reduced, the leakage is increased, and the running speed of the machine is unstable; (2) The pressure of the hydraulic transmission system is reduced, the stability of the system is affected, and the working precision is reduced; (3) The lubricating oil film on the relative motion surface is thinned, the hydraulic element is heated and expanded, and mechanical abrasion is increased, so that the abrasion of the pump valve element is increased, and even the pump valve element is easy to be blocked, and great inconvenience is brought to production. How to control the increase of the oil temperature of a hydraulic system of a hydraulic plate shearing machine is a problem which needs to be paid attention to in the processing and production of the hydraulic plate shearing machine. The oil storage bin for the hydraulic plate shearing machine in the prior art is generally hidden inside equipment, and the heat dissipation effect is poor, so that the service life of the equipment is influenced.

Disclosure of Invention

The invention aims to provide a heat dissipation oil storage bin of a hydraulic plate shearing machine, which is used for cooling hydraulic oil by enabling external air to flow through an air duct and to exchange heat with oil passing through an oil channel, so that the related problems in the background art are solved.

In order to solve the technical problems, the invention is realized by the following technical scheme:

the invention relates to a heat dissipation oil storage bin of a hydraulic plate shearing machine, which comprises a plate shearing machine, wherein the bottom of the plate shearing machine is provided with an oil storage bin, the oil storage bin comprises a channel, fins and a sealing block, the channel comprises a pipe body, an oil inlet opening and an oil outlet opening, and two ends of the pipe body are respectively communicated with the oil inlet opening and the oil outlet opening; the middle part of the pipe body is provided with a sealing block in a sealing way, and the bottom surface of the pipe body and an opening groove arranged in the sealing block form an oil liquid channel; the fin is installed to the outside of sealing block, form the wind channel between the medial surface of fin and the lateral surface of sealing block, form the wind channel between the medial surface of the fin that is equipped with and the lateral surface of sealing block, the oil passageway is constituteed to the open slot that is equipped with in the bottom surface of body and the sealing block, cuts off through the metal sidewall of passageway between wind channel and the constitution oil passageway, and the outside air that is equipped with flows through the wind channel and carries out the heat exchange with the fluid through the oil passageway through the ventilation groove to realize cooling hydraulic oil.

Further, both sides at the middle part of the channel are upwards extended to form side plates, and sealing blocks are clamped between the side plates.

Further, the sealing block is of a hollow structure, a plurality of open grooves are symmetrically formed in the end face of the sealing block, a valve body is arranged in each open groove, and a deep groove is formed in the middle of the upper end face of the sealing block; a sliding block is arranged in the deep groove, a U-shaped groove is formed in the sliding block, and the U-shaped groove is separated from the pipe body through a valve body; the hydraulic expansion device is installed on the bottom surface inside the sealing block, and the expansion end of the hydraulic expansion device is fixedly connected with the sliding block. The sealing block that is equipped with cuts off the inside that the passageway was equipped with, the cavity of wall and the U type groove intercommunication that installs the sliding block in the sealing block constitute the fluid passageway, when hydraulic oil flowed to the oil outlet opening through the oil feed opening, through the U type groove that is equipped with, because cut off through the valve body that is equipped with between U type groove and the body, hydraulic oil can not flow by oneself, the hydraulic telescoping device that is equipped with realizes the cavity volume increase that sliding block and fin bottom surface constitute, the inboard fluid of oil feed opening promotes corresponding valve body and opens and get into in the cavity that sliding block and fin bottom surface constitute under the effect of negative pressure, carry out the heat exchange, realize the cavity volume reduction that sliding block and fin bottom surface constitute at the in-process that hydraulic telescoping device elongates, the fluid is opened through the oil outlet opening discharge through promoting corresponding valve body.

Further, the valve body is opened to the oil outlet opening.

Further, a guide plate is fixed on the bottom surface of the fin, and the installed guide plate extends into the sliding block and equally divides the U-shaped groove; the middle part of fin has seted up the air flue, the opening that the air flue downside was equipped with is located the terminal surface of sliding block.

Further, a plurality of drainage channels that constitutes on the fin all communicate with the air flue, the check valve is installed to air flue and drainage channel intercommunication department, and the hydraulic telescoping device that is equipped with is at flexible in-process, and the air chamber volume that fin bottom surface, deflector and sliding block constitute increases, realizes admitting air, effectual improvement heat exchange area, improves the heat transfer effect, and at the in-process that hydraulic telescoping device extends, the air chamber volume that fin bottom surface, deflector and sliding block constitute reduces, is convenient for gaseous discharge, carries out the heat transfer next time.

Further, the telescopic length of the hydraulic telescopic device is smaller than the height of the guide plate.

The invention has the following beneficial effects:

an air channel is formed between the inner side of the fin and the outer side face of the sealing block, the bottom face of the pipe body and the open slot arranged in the sealing block form an oil channel, the air channel is separated from the oil channel by the metal side wall of the channel, and the arranged external air flows through the air channel and exchanges heat with the oil passing through the oil channel, so that the hydraulic oil is cooled.

According to the invention, the sealing block is arranged to separate the inside of the channel, the separated cavity is communicated with the U-shaped groove provided with the sliding block in the sealing block to form an oil channel, when hydraulic oil flows to the oil outlet opening through the oil inlet opening, the hydraulic oil can not flow automatically due to the separation of the U-shaped groove and the pipe body through the valve body arranged between the U-shaped groove, the chamber volume formed by the sliding block and the bottom surface of the fin is increased by the arranged hydraulic telescopic device in the telescopic process, the corresponding valve body is pushed to be opened into the chamber formed by the sliding block and the bottom surface of the fin by the oil inside the oil inlet opening under the action of negative pressure, the heat exchange is carried out, the chamber volume formed by the sliding block and the bottom surface of the fin is reduced by the hydraulic telescopic device in the extending process, and the oil is discharged through the oil outlet opening by pushing the corresponding valve body.

According to the hydraulic telescopic device, in the telescopic process, the volume of the air chamber formed by the bottom surfaces of the fins, the guide plates and the sliding blocks is increased, air inlet is realized, the heat exchange area is effectively increased, the heat exchange effect is improved, and in the telescopic process of the hydraulic telescopic device, the volume of the air chamber formed by the bottom surfaces of the fins, the guide plates and the sliding blocks is reduced, so that air is conveniently discharged, and the next heat exchange is performed.

Of course, it is not necessary for any one product to practice the invention to achieve all of the advantages set forth above at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of the present invention;

FIG. 2 is a schematic view of a heat exchange assembly according to the present invention;

FIG. 3 is a schematic cross-sectional view of a heat exchange assembly according to the present invention;

FIG. 4 is a schematic cross-sectional view of a heat exchange assembly according to the present invention;

FIG. 5 is a schematic view of a channel structure according to the present invention;

in the drawings, the list of components represented by the various numbers is as follows:

the novel hydraulic plate shearing machine comprises a plate shearing machine body, an 11-ventilation groove, a 2-channel, a 21-pipe body, a 22-oil inlet opening, a 23-oil outlet opening, a 24-side plate, a 3-fin, a 31-air passage, a 4-hydraulic telescopic device, a 5-sliding block, a 51-U-shaped groove, a 6-guide plate, a 7-sealing block, a 71-opening groove, a 72-valve body and a 73-deep groove.

Description of the embodiments

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In the description of the present invention, it should be understood that the terms "open," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like indicate orientation or positional relationships, merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

Examples

As shown in 1-2, the invention relates to a heat dissipation oil storage bin of a hydraulic plate shearing machine, which comprises a plate shearing machine 1, wherein the bottom of the plate shearing machine 1 is provided with the oil storage bin, the oil storage bin comprises a channel 2, fins 3 and a sealing block 7, the channel 2 comprises a pipe body 21, an oil inlet opening 22 and an oil outlet opening 23, and two ends of the pipe body 21 are respectively communicated with the oil inlet opening 22 and the oil outlet opening 23; the middle part of the pipe body 21 is provided with a sealing block 7 in a sealing way, and the bottom surface of the pipe body 21 and an open slot 71 arranged in the sealing block 7 form an oil liquid channel; the fin 3 is installed to the outside of sealing block 7, forms the wind channel between the inboard of fin 3 and the lateral surface of sealing block 7.

An air channel is formed between the inner side of the fin 3 and the outer side face of the sealing block 7, the bottom face of the pipe body 21 and the open slot 71 formed in the sealing block 7 form an oil channel, the air channel is separated from the oil channel by the metal side wall of the channel 2, and the outside air passes through the air channel 11 and exchanges heat with the oil passing through the oil channel, so that the hydraulic oil is cooled.

Examples

As shown in 3-5, the invention relates to a heat dissipation oil storage bin of a hydraulic plate shearing machine, which comprises a plate shearing machine 1, wherein the bottom of the plate shearing machine 1 is provided with the oil storage bin, the oil storage bin comprises a channel 2, fins 3 and a sealing block 7, the channel 2 comprises a pipe body 21, an oil inlet opening 22 and an oil outlet opening 23, and two ends of the pipe body 21 are respectively communicated with the oil inlet opening 22 and the oil outlet opening 23; the middle part of the pipe body 21 is provided with a sealing block 7 in a sealing way, and the bottom surface of the pipe body 21 and an open slot 71 arranged in the sealing block 7 form an oil liquid channel; the fin 3 is installed to the outside of sealing block 7, forms the wind channel between the inboard of fin 3 and the lateral surface of sealing block 7.

Two side edges of the middle part of the channel 2 are respectively extended upwards to form side plates 24, and sealing blocks 7 are clamped between the two side plates 24.

The sealing block 7 is of a hollow structure, a plurality of open grooves 71 are symmetrically formed in the end face of the sealing block 7, a valve body 72 is arranged in each open groove 71, and a deep groove 73 is formed in the middle of the upper end face of the sealing block 7; a sliding block 5 is arranged in the deep groove 73, a U-shaped groove 51 is formed in the sliding block 5, and the U-shaped groove 51 is separated from the pipe body 21 through a valve body 72;

the hydraulic telescoping device 4 is installed to the inside bottom surface of sealing block 7, and the flexible end and the sliding block 5 fixed connection of hydraulic telescoping device 4.

The valve body 72 is turned open to the oil outlet opening 23 provided.

The bottom surface of the fin 3 is fixed with a guide plate 6, and the guide plate 6 extends into the sliding block 5 and equally divides the U-shaped groove 51; the air flue 31 has been seted up at the middle part of fin 3, and the opening that the air flue 31 downside was equipped with is located the terminal surface of sliding block 5. The drainage channels formed on the fins 3 are communicated with the air channel 31, and a one-way valve is arranged at the communication part of the air channel 31 and the drainage channels. The telescopic length of the hydraulic telescopic device 4 is smaller than the height of the guide plate 6, so that air leakage of the air chamber is avoided.

The sealing block 7 is arranged to separate the inside of the channel 2, the separated cavity is communicated with the U-shaped groove 51 provided with the sliding block 5 in the sealing block 7 to form an oil channel, when hydraulic oil flows to the oil outlet opening 23 through the oil inlet opening 22, the hydraulic oil can not flow automatically through the U-shaped groove 51 due to the separation between the U-shaped groove 51 and the pipe body 21 through the valve body 72 arranged, the volume of a cavity formed by the sliding block 5 and the bottom surface of the fin 3 is increased in the telescopic process of the hydraulic telescopic device 4, the oil inside the oil inlet opening 22 pushes the corresponding valve body 72 to be opened into the cavity formed by the sliding block 5 and the bottom surface of the fin 3 under the action of negative pressure to perform heat exchange, the volume of the cavity formed by the sliding block 5 and the bottom surface of the fin 3 is reduced in the extending process of the hydraulic telescopic device 4, and the oil is discharged through the oil outlet opening 23 by pushing the corresponding valve body 72;

in addition, the hydraulic telescoping device 4 that is equipped with is in the in-process that stretches out and draws back, and the air chamber volume that fin 3 bottom surface, deflector 6 and sliding block 5 constitute increases, realizes admitting air, and effectual improvement heat exchange area improves the heat transfer effect, and in the in-process that hydraulic telescoping device 4 extends, the air chamber volume that fin 3 bottom surface, deflector 6 and sliding block 5 constitute reduces, is convenient for gaseous discharge, carries out the heat transfer next time.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.

Claims

1. The utility model provides a hydraulic plate shearing machine heat dissipation oil storage storehouse, includes plate shearing machine (1), oil storage storehouse, its characterized in that are installed to the bottom of plate shearing machine (1):

the oil storage bin comprises a channel (2), fins (3) and a sealing block (7), wherein the channel (2) comprises a pipe body (21), an oil inlet opening (22) and an oil outlet opening (23), and the two ends of the pipe body (21) are respectively communicated with the oil inlet opening (22) and the oil outlet opening (23);

the middle part of the pipe body (21) is provided with a sealing block (7) in a sealing way, and the bottom surface of the pipe body (21) and an open slot (71) arranged in the sealing block (7) form an oil liquid channel;

the fin (3) is arranged on the outer side of the sealing block (7), and an air channel is formed between the inner side of the fin (3) and the outer side surface of the sealing block (7);

two side edges of the middle part of the channel (2) are respectively extended upwards to form side plates (24), and sealing blocks (7) are clamped between the two side plates (24);

the sealing block (7) is of a hollow structure, a plurality of open grooves (71) are symmetrically formed in the end face of the sealing block (7), a valve body (72) is installed in the open grooves (71), a deep groove (73) is formed in the middle of the upper end face of the sealing block (7), a sliding block (5) is installed in the deep groove (73), a U-shaped groove (51) is formed in the sliding block (5), the U-shaped groove (51) is separated from the pipe body (21) through the valve body (72) which is arranged, a hydraulic telescopic device (4) is installed on the inner bottom face of the sealing block (7), and the telescopic end of the hydraulic telescopic device (4) is fixedly connected with the sliding block (5);

the valve body (72) is turned open to the oil outlet opening (23) provided.

2. The heat dissipation and oil storage bin of the hydraulic plate shearing machine according to claim 1, wherein a guide plate (6) is fixed on the bottom surface of the fin (3), and the guide plate (6) extends into the sliding block (5) and equally divides the U-shaped groove (51);

an air passage (31) is formed in the middle of the fin (3), and an opening formed in the lower side of the air passage (31) is located on the end face of the sliding block (5).

3. The heat dissipation and oil storage bin of the hydraulic plate shearing machine according to claim 2, wherein a plurality of drainage channels formed on the fin (3) are communicated with the air channel (31), and a one-way valve is arranged at the communication part of the air channel (31) and the drainage channels.

4. A hydraulic plate shearing machine heat dissipating oil reservoir according to claim 3, characterized in that the telescopic length of the hydraulic telescopic device (4) is smaller than the height of the guide plate (6).