阅读说明：本技术 一种水冷机组用缓冲机构及其制造工艺 (Buffer mechanism for water cooling unit and manufacturing process thereof ) 是由 丁小洪 于 2021-07-27 设计创作，主要内容包括：本发明涉及一种水冷机组用缓冲机构,水冷机组包括一水冷机架,在水冷机架上安装有冷凝器、蒸发器,冷凝器包括一冷凝筒体,在冷凝筒体内具有一冷凝空腔,冷凝空腔内安装有换热管,在冷凝筒体上还开有与换热管相连通的物料进口、物料出口,所述冷凝筒体上还开有与冷凝空腔相连通的换热进口、换热出口,在冷凝筒体的冷凝空腔中还安装有一挡风板；还涉及上述缓冲机构的制造工艺。本发明的优点在于：通过在换热管与换热进口之间增设一挡风板,利用挡风板来对换热进口吹向换热管的换热气体进行阻挡缓冲,有效的降低了换热气体对换热管的冲击力,相对应的,也就降低了对换热管的损伤,提高了换热管的使用寿命。(The invention relates to a buffer mechanism for a water-cooling unit, wherein the water-cooling unit comprises a water-cooling rack, a condenser and an evaporator are arranged on the water-cooling rack, the condenser comprises a condensation cylinder, a condensation cavity is arranged in the condensation cylinder, a heat exchange tube is arranged in the condensation cavity, a material inlet and a material outlet which are communicated with the heat exchange tube are also arranged on the condensation cylinder, a heat exchange inlet and a heat exchange outlet which are communicated with the condensation cavity are also arranged on the condensation cylinder, and a wind shield is also arranged in the condensation cavity of the condensation cylinder; also relates to a manufacturing process of the buffer mechanism. The invention has the advantages that: through add a deep bead between heat exchange tube and heat transfer import, utilize the deep bead to come to block the buffering to the heat transfer gas of heat transfer import blow to the heat exchange tube, the effectual impact force that has reduced the heat transfer gas to the heat exchange tube, it is corresponding, just also reduced the damage to the heat exchange tube, improved the life of heat exchange tube.)

1. The utility model provides a buffer gear for water chiller, water chiller include a water cooling frame, install condenser, evaporimeter on the water cooling frame, the condenser includes a condensation barrel, has a condensation cavity in the condensation barrel, install the heat exchange tube in the condensation cavity, still open material import, the material export that is linked together with the heat exchange tube on the condensation barrel, still open the heat transfer import, the heat transfer export that are linked together with the condensation cavity on the condensation barrel, its characterized in that:

the buffer mechanism comprises a wind shield arranged in a condensation cavity of the condensation cylinder, the wind shield is positioned between the heat exchange tube and the heat exchange inlet, and the wind shield faces the heat exchange inlet.

2. The buffer mechanism for the water chiller unit according to claim 1, wherein: the area of the wind shield is larger than that of the heat exchange inlet.

3. The buffer mechanism for the water chiller unit according to claim 1, wherein: the wind shield is rectangular, two sides of the wind shield are both provided with V-shaped notches, and the distance between the vertexes of the two V-shaped notches is larger than the diameter of the heat exchange inlet.

4. The buffer mechanism for the water chiller unit according to claim 3, wherein: the opening degree of the V-shaped notch is between 100 and 160 degrees.

5. A manufacturing process of the buffer mechanism for the water chilling unit as claimed in claims 1-4, wherein: comprises the following steps

S1 material selection: firstly, selecting a plate with a corresponding thickness according to the size, shape and thickness requirements of the windshield;

s2 marking: secondly, marking a rectangular outer contour line of the wind shield to be molded on a plate, wherein the outer contour line comprises a rectangular rough machining outer contour line and a rectangular finish machining outer contour line, and the distance between the rough machining outer contour line and the finish machining outer contour line is 0.5cm-1 cm;

s3 initial cut: cutting off the plate along the rough machining outer contour line of the plate in a plasma cutting mode, so as to obtain a required plate initial sample;

s4 fine cut: cutting the plate blank again in a laser cutting mode, and cutting off along the finish machining outer contour line to obtain a required rectangular wind shield semi-finished product;

s5 secondary scribing: carrying out secondary scribing on the semi-finished product of the wind deflector to scribe a required V-shaped notch contour line, wherein the V-shaped notch contour line comprises a primary processing V-shaped opening contour line and a finish processing V-shaped opening contour line, and the distance between the primary processing V-shaped opening contour line and the finish processing V-shaped opening contour line is 0.2cm-0.4 cm;

S6V-shaped opening primary processing: cutting the semi-finished wind deflector along the contour line of the initially processed V-shaped opening of the semi-finished wind deflector in a laser cutting mode, so as to cut two V-shaped openings except for forming;

finish machining of the V-shaped opening of S7: carrying out secondary cutting on the semi-finished product of the wind deflector along the contour line of the finish-machined V-shaped opening of the semi-finished product of the wind deflector in a linear cutting mode, so as to cut two required V-shaped openings, and then obtaining a finished product of the wind deflector;

roughly milling an S7 wind shield: roughly milling the surface of the wind shield product except the finished product by adopting a disc-shaped cutter with a four-edge blade, wherein the rotating speed of the disc-shaped cutter is 80r/min and the feed speed is 0.25mm/r in the rough milling process;

finish milling of an S8 wind shield: and then, carrying out finish milling on the plane of the wind shield finished product by adopting a disc-shaped cutter with a three-edge blade, wherein the rotating speed of the disc-shaped cutter is 200r/min and the feed speed is 0.1mm/r in the finish milling process, so that the required wind shield finished product is obtained.

Technical Field

The invention relates to the field of refrigeration systems, in particular to a buffer mechanism for a water-cooling unit and a manufacturing process of the buffer mechanism.

Background

In the refrigeration industry, the water chiller is divided into an air-cooled water chiller and a water-cooled water chiller, and is further divided into a screw water chiller, a scroll water chiller and a centrifugal water chiller according to a compressor. The temperature control is divided into a low-temperature industrial water chiller and a normal-temperature water chiller, and the temperature of the normal-temperature unit is generally controlled within the range of 0-35 ℃. The temperature of the low-temperature unit is controlled to be about 0 to-100 ℃.

The water chilling unit is also called as: a refrigerator, a refrigerating unit, a water chiller, a cooling apparatus, and the like are widely used in various industries, and therefore, the requirements for the water chiller are different. The working principle is a multifunctional machine, eliminating the passage of liquid vapor through a compression or heat absorption refrigeration cycle.

The water chilling unit comprises four main components: the compressor, the evaporator, the condenser and the expansion valve, thereby realizing the refrigerating and heating effects of the unit.

The condenser structure in the water chilling unit generally comprises a condensation cylinder body, a condensation cavity is formed in the condensation cylinder body, a heat exchange tube is installed in the condensation cavity, a material inlet and a material outlet which are communicated with the heat exchange tube are further formed in the condensation cylinder body, and a heat exchange inlet and a heat exchange outlet which are communicated with the condensation cavity are further formed in the condensation cylinder body. In the condensation process, materials to be condensed are introduced into the heat exchange pipe, and heat exchange gas for heat exchange is introduced from the heat exchange inlet. And in traditional condenser structure, its heat transfer import is through facing the heat exchange tube, consequently, at the in-process of carrying out the condensation, heat transfer gas is all directly to blow to the outer wall of heat exchange tube, and the gaseous impact force of this kind of heat transfer is great, long-term the back of using, can lead to the outer wall of heat exchange tube to cause the damage, influences the life of heat exchange tube.

Disclosure of Invention

The invention aims to provide a buffer mechanism for a water cooling unit, which can reduce the impact on a heat exchange pipe, and a manufacturing process of the buffer mechanism.

In order to solve the technical problems, the technical scheme of the invention is as follows: the utility model provides a buffer gear for water chiller, water chiller include a water cooling frame, install condenser, evaporimeter on the water cooling frame, the condenser includes a condensation barrel, has a condensation cavity in the condensation barrel, install the heat exchange tube in the condensation cavity, still open material import, the material export that is linked together with the heat exchange tube on the condensation barrel, still open heat transfer import, the heat transfer export that are linked together with the condensation cavity on the condensation barrel, its innovation point lies in:

the buffer mechanism comprises a wind shield arranged in a condensation cavity of the condensation cylinder, the wind shield is positioned between the heat exchange tube and the heat exchange inlet, and the wind shield faces the heat exchange inlet.

Furthermore, the area of the wind shield is larger than that of the heat exchange inlet.

Furthermore, the wind shield is rectangular, two sides of the wind shield are both provided with a V-shaped notch, and the distance between the vertexes of the two V-shaped notches is larger than the diameter of the heat exchange inlet.

Further, the opening degree of the V-shaped notch is between 100 and 160 degrees.

The manufacturing process of the buffer mechanism for the water cooling unit has the innovation points that: comprises the following steps

S1 material selection: firstly, selecting a plate with a corresponding thickness according to the size, shape and thickness requirements of the windshield;

s2 marking: secondly, marking a rectangular outer contour line of the wind shield to be molded on a plate, wherein the outer contour line comprises a rectangular rough machining outer contour line and a rectangular finish machining outer contour line, and the distance between the rough machining outer contour line and the finish machining outer contour line is 0.5cm-1 cm;

s3 initial cut: cutting off the plate along the rough machining outer contour line of the plate in a plasma cutting mode, so as to obtain a required plate initial sample;

s4 fine cut: cutting the plate blank again in a laser cutting mode, and cutting off along the finish machining outer contour line to obtain a required rectangular wind shield semi-finished product;

s5 secondary scribing: carrying out secondary scribing on the semi-finished product of the wind deflector to scribe a required V-shaped notch contour line, wherein the V-shaped notch contour line comprises a primary processing V-shaped opening contour line and a finish processing V-shaped opening contour line, and the distance between the primary processing V-shaped opening contour line and the finish processing V-shaped opening contour line is 0.2cm-0.4 cm;

S6V-shaped opening primary processing: cutting the semi-finished wind deflector along the contour line of the initially processed V-shaped opening of the semi-finished wind deflector in a laser cutting mode, so as to cut two V-shaped openings except for forming;

finish machining of the V-shaped opening of S7: carrying out secondary cutting on the semi-finished product of the wind deflector along the contour line of the finish-machined V-shaped opening of the semi-finished product of the wind deflector in a linear cutting mode, so as to cut two required V-shaped openings, and then obtaining a finished product of the wind deflector;

roughly milling an S7 wind shield: roughly milling the surface of the wind shield product except the finished product by adopting a disc-shaped cutter with a four-edge blade, wherein the rotating speed of the disc-shaped cutter is 80r/min and the feed speed is 0.25mm/r in the rough milling process;

finish milling of an S8 wind shield: and then, carrying out finish milling on the plane of the wind shield finished product by adopting a disc-shaped cutter with a three-edge blade, wherein the rotating speed of the disc-shaped cutter is 200r/min and the feed speed is 0.1mm/r in the finish milling process, so that the required wind shield finished product is obtained.

The invention has the advantages that: according to the invention, the wind shield is additionally arranged between the heat exchange tube and the heat exchange inlet, and the wind shield is used for blocking and buffering the heat exchange gas blown to the heat exchange tube from the heat exchange inlet, so that the impact force of the heat exchange gas on the heat exchange tube is effectively reduced, correspondingly, the damage to the heat exchange tube is reduced, and the service life of the heat exchange tube is prolonged.

The area of the wind shield is designed to be larger than that of the heat exchange inlet, so that all heat exchange gases can be blocked as far as possible, and the impact force of the heat exchange gases on the heat exchange pipe is further reduced.

And set up the V-arrangement breach in the both sides of deep bead, then be for the convenient heat transfer gas after the buffering can be quick flow out from the deep bead, avoid because of the existence of deep bead, and lead to heat transfer gas to take place to block up in heat transfer import department, and then lead to the pressure increase, guarantee the smooth work of condenser.

For the manufacturing of the wind shield, the wind shield is processed by matching the procedures of material selection, scribing, primary cutting, fine cutting, secondary scribing, primary processing of a V-shaped opening, fine processing of the V-shaped opening and the like, the wind shield with higher requirement on size precision is processed, and finally the procedures of rough milling and fine milling of the wind shield are matched, so that the mode of rough milling and fine milling is adopted, the subsequent finishing work is not needed by matching the rotating speed and the feed speed of a disc cutter, the flatness of the plane of the wind shield is ensured, the heat exchange gas is conveniently buffered, and the processing efficiency is greatly improved.

Drawings

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

Fig. 1 is a schematic view of a buffer mechanism for a water chiller according to the present invention.

Fig. 2 is a plan view of the damper mechanism for a water chiller according to the present invention.

Fig. 3 is a sectional view a-a of fig. 2.

Fig. 4 is a schematic view of the cooperation between the wind deflector and the air inlet pipe in the present invention.

Fig. 5 is a top view of fig. 4.

Fig. 6 is a front view of fig. 4.

Detailed Description

The following examples are presented to enable one of ordinary skill in the art to more fully understand the present invention and are not intended to limit the scope of the embodiments described herein.

As shown in fig. 1-6, the water-cooling unit comprises a water-cooling frame 1, a condenser 3 and an evaporator 2 are mounted on the water-cooling frame 1, the condenser comprises a condensation cylinder 3, a condensation cavity 31 is arranged in the condensation cylinder 3, a heat exchange tube is mounted in the condensation cavity 31, a material inlet and a material outlet which are communicated with the heat exchange tube are further formed in the condensation cylinder 3, a heat exchange inlet and a heat exchange outlet which are communicated with the condensation cavity 31 are further formed in the condensation cylinder 3, and an air inlet pipe 4 is connected to the heat exchange inlet.

A wind shield 5 is further installed in the condensation cavity 31 of the condensation cylinder 3, the wind shield 5 is located between the heat exchange tube and the heat exchange inlet, and the wind shield 5 faces the heat exchange inlet. In this embodiment, the wind deflector 5 may be directly welded to the inner wall of the condensation cylinder 3, or may be fixed to the inner wall of the condensation cylinder 3 with the aid of a connecting rod.

The area of the wind shield 5 is larger than that of the heat exchange inlet. The area of the wind shield 5 is designed to be larger than that of the heat exchange inlet, so that all heat exchange gases can be blocked as far as possible, and the impact force of the heat exchange gases on the heat exchange pipe is further reduced.

As can be seen from the schematic view shown in fig. 4, the wind deflector 5 is rectangular, two V-shaped notches 51 are formed on two sides of the wind deflector 5, and the distance between the vertexes of the two V-shaped notches 51 is larger than the diameter of the heat exchange inlet. V-arrangement breach 51 is seted up in the both sides of deep bead 5, then be for the convenient heat transfer gas after the buffering can be quick flow out from the deep bead, avoid because of the existence of deep bead, and lead to heat transfer gas to take place to block up in heat transfer import department, and then lead to the pressure increase, guarantee the smooth work of condenser, and the interval between the summit of control and two V-arrangement breachs 51, then be to avoid because of the existence of V-arrangement breach 51, and lead to partial heat transfer gas to directly strike at the heat exchange tube on the surface from V-arrangement breach 51.

The opening degree of the V-shaped notch 51 is between 100 and 160 degrees. The opening of the V-shaped notch 51 is designed to facilitate the buffered air to flow out quickly, and the buffering effect of the wind deflector 5 on the heat exchange air is not affected.

According to the buffer mechanism for the water cooling unit, the wind shield 5 is additionally arranged between the heat exchange tube and the heat exchange inlet, and the wind shield 5 is used for blocking and buffering heat exchange gas blown to the heat exchange tube from the heat exchange inlet, so that the impact force of the heat exchange gas on the heat exchange tube is effectively reduced, correspondingly, the damage to the heat exchange tube is reduced, and the service life of the heat exchange tube is prolonged.

The wind deflector of the above structure is realized by the following steps:

s1 material selection: firstly, according to the size, shape and thickness requirements of the windshield, a plate with a corresponding thickness is selected.

S2 marking: and then, marking a rectangular outer contour line of the wind shield to be molded on the plate, wherein the outer contour line comprises a rectangular rough machining outer contour line and a rectangular finish machining outer contour line, and the distance between the rough machining outer contour line and the finish machining outer contour line is 0.5cm-1 cm.

S3 initial cut: and cutting the plate along the rough machining outer contour line of the plate in a plasma cutting mode, so as to obtain a required plate initial sample.

S4 fine cut: and cutting the plate blank again in a laser cutting mode, and cutting off the plate blank along the finish machining outer contour line to obtain the required rectangular semi-finished wind shield.

S5 secondary scribing: and carrying out secondary scribing on the semi-finished product of the wind deflector to draw a required V-shaped notch contour line, wherein the V-shaped notch contour line comprises a primary processing V-shaped opening contour line and a finish processing V-shaped opening contour line, and the distance between the primary processing V-shaped opening contour line and the finish processing V-shaped opening contour line is 0.2cm-0.4 cm.

S6V-shaped opening primary processing: and cutting the semi-finished wind deflector along the profile line of the initially processed V-shaped opening of the semi-finished wind deflector in a laser cutting mode, thereby cutting two V-shaped openings except for forming.

Finish machining of the V-shaped opening of S7: and carrying out secondary cutting on the semi-finished product of the wind deflector along the contour line of the finish-machined V-shaped opening of the semi-finished product of the wind deflector in a linear cutting mode so as to cut two required V-shaped openings, and obtaining a finished product of the wind deflector.

Roughly milling an S7 wind shield: the method is characterized in that a disc-shaped cutter of a four-edge blade is adopted to roughly mill the surface of a finished product of the wind shield, in the rough milling process, the disc-shaped cutter of the four-edge blade adopts an alloy cutter, and for the selection of the disc-shaped cutter, the alloy cutter is adopted, and the smooth milling is ensured by utilizing the characteristics of high hardness, good toughness, wear resistance and heat resistance of the alloy cutter, the rotating speed of the disc-shaped cutter is 80r/min, and the feed speed is 0.25 mm/r.

Finish milling of an S8 wind shield: and then, carrying out finish milling on the plane of the finished product of the wind shield by adopting a disc-shaped cutter with a three-edge blade, wherein in the finish milling process, the disc-shaped cutter with the three-edge blade adopts an alloy cutter, and for the selection of the disc-shaped cutter, the alloy cutter is adopted, and the smooth milling processing is ensured by utilizing the characteristics of high hardness, good toughness, wear resistance and heat resistance of the alloy cutter, the rotating speed of the disc-shaped cutter is 200r/min, and the feed speed is 0.1mm/r, so that the required finished product of the wind shield is obtained.

For the manufacturing of the wind shield, the wind shield is processed by matching the procedures of material selection, scribing, primary cutting, fine cutting, secondary scribing, primary processing of a V-shaped opening, fine processing of the V-shaped opening and the like, the wind shield with higher requirement on size precision is processed, and finally the procedures of rough milling and fine milling of the wind shield are matched, so that the mode of rough milling and fine milling is adopted, the subsequent finishing work is not needed by matching the rotating speed and the feed speed of a disc cutter, the flatness of the plane of the wind shield is ensured, the heat exchange gas is conveniently buffered, and the processing efficiency is greatly improved.

It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.