CN218723410U - Heat pipe evacuating device - Google Patents

Abstract

The utility model discloses a heat pipe evacuating device, include the pedestal and seal the mechanism, the pedestal is inside to be provided with first appearance chamber, and the pedestal still is provided with first connecting hole and the second connecting hole that communicates with first appearance chamber, and first connecting hole is used for with the heat pipe butt joint, and the second connecting hole is used for external vacuum source, seals the mechanism and installs in the pedestal, and the heat pipe part inserts first appearance intracavity, seals the mechanism and is used for sealing the heat pipe that is located first appearance intracavity. The heat pipe is inserted into the first containing cavity for vacuumizing, the sealing mechanism seals the heat pipe in the first containing cavity, the air exhaust end and the sealing end are integrated at one position, the distance between the vacuumizing end and the sealing end of the heat pipe can be greatly shortened, and therefore pipes are saved and production benefits are improved.

Description

Heat pipe evacuating device

Technical Field

The utility model relates to a heat pipe manufacturing correlation technique field, in particular to heat pipe evacuating device.

Background

A typical heat pipe is composed of a pipe shell, a wick, and end caps. The interior of the heat pipe is pumped into a negative pressure state and is added with proper liquid, and under the negative pressure, the boiling point of the liquid is low and the liquid is easy to evaporate. The inner wall of the heat pipe is provided with a liquid absorption core which is made of capillary porous materials. When one end of the heat pipe is heated, the liquid in the capillary tube is quickly vaporized, the vapor flows to the other end under the power of heat diffusion, and is condensed at the cold end to release heat, and the liquid flows back to the evaporation end along the porous material by capillary action, and the circulation is not stopped until the temperatures of the two ends of the heat pipe are equal, so that the semi-finished heat pipe needs to be vacuumized and sealed in the production and manufacturing of the heat pipe.

In the related art, a heat pipe needs to be inserted into a vacuum-pumping device for vacuum pumping, and a sealing mechanism needs to seal the heat pipe below the vacuum-pumping device, so that the gap between the vacuum-pumping end and the sealing end of the heat pipe is large, and a part behind the sealing end of the heat pipe needs to be removed in a subsequent process, thereby causing waste of the pipe.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a heat pipe evacuating device can improve the utilization ratio of tubular product.

According to the utility model discloses a heat pipe evacuating device of first aspect embodiment includes: the pedestal and seal the mechanism, the pedestal is inside to be provided with first appearance chamber, the pedestal still be provided with first connecting hole and the second connecting hole that first appearance chamber intercommunication, first connecting hole is used for with the heat pipe butt joint, the second connecting hole is used for external vacuum source, seal the mechanism install in the pedestal, heat pipe part inserts first appearance intracavity, seal the mechanism and be used for sealing lieing in first heat pipe of holding the intracavity.

According to the utility model discloses heat pipe evacuating device has following beneficial effect at least:

the heat pipe is inserted into the first containing cavity for vacuumizing, the sealing mechanism seals the heat pipe in the first containing cavity, the air exhaust end and the sealing end are integrated at one position, the distance between the vacuumizing end and the sealing end of the heat pipe can be greatly shortened, and therefore pipes are saved and production benefits are improved.

According to the utility model discloses a some embodiments, the pedestal still be provided with the first third connector that holds the chamber intercommunication, seal the mechanism and pass through the third connector to the first heat pipe that holds the intracavity seals.

According to the utility model discloses a some embodiments, seal the mechanism and include drive arrangement, pressing tool and blade holder, drive arrangement install in the pedestal, the drive arrangement drive the pressing tool passes the third connector carries out linear motion, the blade holder be located first appearance chamber and with pressing tool relative distribution, the pressing tool with the shape phase-match of blade holder opposite face.

According to some embodiments of the utility model, the mechanism of sealing still includes the guide, the guide is located first appearance intracavity, the guide with the push type broach cooperation is in order to restrict the lateral movement of push type broach.

According to some embodiments of the utility model, be provided with the second guide part on the blade holder, the second guide part be used for with the axis of heat pipe direction to the heat pipe with the axis coincidence of first connecting hole.

According to some embodiments of the present invention, the seat body includes a sealing mechanism, the sealing mechanism is located at the first connection hole, the sealing mechanism is configured to seal the first cavity when the heat pipe is inserted into the first connection hole.

According to some embodiments of the present invention, the sealing mechanism includes a driving part, a supporting plate and a sealing member, the driving part is located in the first connecting hole, the supporting plate is connected to the driving part output end, the sealing member is located the supporting plate and between the first connecting holes, one end of the sealing member is abutted to the supporting plate, and the other end is abutted to the first connecting hole, and the supporting plate is provided with a first through hole opposite to the first connecting hole.

According to some embodiments of the present invention, the support plate is provided with a first guide portion, an axis of the first guide portion coincides with an axis of the first through hole.

According to the utility model discloses a some embodiments, the pedestal still includes axial positioning mechanism, axial positioning mechanism is located first appearance intracavity, axial positioning mechanism carries out axial positioning when being used for the heat pipe evacuation.

According to the utility model discloses a some embodiments, axial positioning mechanism includes position sleeve, location head and elastic component, the position sleeve is located first appearance chamber with between the first connecting hole, the location head set up in the position sleeve and can slide in the position sleeve, it is porose to set up on the position head, elastic component one end butt in the position head, other end butt in the position sleeve, the axis of position sleeve with the axis of location head all with the dead in line of first connecting hole.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a general schematic diagram of some embodiments of the present invention;

FIG. 2 is a partial schematic view of some embodiments of FIG. 1;

FIG. 3 is a schematic view of the seat sealing mechanism of FIG. 1;

FIG. 4 is an exploded view of the base and the sealing mechanism of FIG. 1;

fig. 5 is a cross-sectional view of the base and the sealing mechanism in fig. 1.

Reference numerals:

the base body 100, the first cavity 110, the first connection hole 120, the second connection hole 130, the third connection hole 140, the sealing mechanism 150, the driving part 151, the support plate 152, the sealing member 153, the first through hole 154, the first guide part 155, the axial positioning mechanism 160, the positioning sleeve 161, the positioning head 162, and the elastic member 163;

a driving device 210, a pressing knife 220, a push rod 221, a sealing ring 222, a knife holder 230, a second guide part 231, a guide 240 and a guide groove 241;

a vacuum pump 310, an air tank 320, a first robot 330, and a second robot 340.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 5, according to the utility model discloses a heat pipe evacuating device of first aspect embodiment, including pedestal 100 and seal the mechanism, pedestal 100 is inside to be provided with first appearance chamber 110, pedestal 100 still is provided with first connecting hole 120 and second connecting hole 130 with first appearance chamber 110 intercommunication, first connecting hole 120 is used for with the heat pipe butt joint, second connecting hole 130 is used for external vacuum source, seal the mechanism and install in pedestal 100, a part of heat pipe inserts in first appearance chamber 110, another part is located outside first appearance chamber 110, seal the mechanism and be used for sealing the heat pipe that is located first appearance chamber 110, the heat pipe is inserted in first appearance chamber 110 and is evacuated, and seal the heat pipe in first appearance chamber 110 through sealing the mechanism, can shorten the heat pipe evacuation end greatly and seal the interval of end, thereby save tubular product, the productivity effect is improved. The traditional sealing point is generally located on the heat pipe outside the first accommodating cavity 110, and compared with the technical scheme of the embodiment, the sealing point is obviously far away from the opening of the heat pipe for vacuumizing, so that the materials required to be cut off in the later period are obviously more than the scheme of the embodiment, and a large amount of pipes can be saved.

Specifically, the second connection hole 130 is used for externally connecting a vacuum source, the vacuum source may be a vacuum pump 310, and in addition, in order to maintain stable pumping, an air storage tank 320 is generally provided behind the vacuum pump 310, the air storage tank 320 is communicated with a pumping end of the vacuum pump 310 through a pipeline, the second connection hole 130 is communicated with the air storage tank 320, the stability of pumping can be improved through the air storage tank 320, the first robot 330 clamps the heat pipe from the previous process and inserts part of the heat pipe into the first connection hole 120, an end portion of the heat pipe with an opening is extended into the first cavity 110, the externally connected vacuum pump 310 operates to vacuum the air storage tank 320, the first cavity 110 is vacuumized through the second connection hole 130, the inside of the heat pipe is also vacuumized, after the vacuumization of the heat pipe is completed, the sealing mechanism seals the opening end of the heat pipe in the first cavity 110, after the sealing is completed, the first robot 330 extracts the heat pipe from the base body 100, and then transports the heat pipe to the second robot 340, and the second robot 340 transports the heat pipe from the first robot 330 to the next process. The sealing mechanism arranged on the base body 100 can greatly shorten the distance between the vacuum pumping end and the sealing end of the heat pipe, thereby saving pipes and improving the production benefit.

The above-mentioned vacuum source is merely an exemplary illustration of the present invention, and does not represent that the present invention must use the vacuum pump 310 and the air storage tank 320, and the present invention is not particularly limited to the external vacuum source.

In some embodiments of the present invention, as shown in fig. 5, the first receiving cavity 110 is substantially long and narrow, the first connecting hole 120 and the second connecting hole 130 are both holes opened on the base 100 and are both communicated with the first receiving cavity 110, the first connecting hole 120 and the second connecting hole 130 are distributed relatively along the thickness direction of the first receiving cavity, the base 100 is further provided with a third connecting port 140 communicated with the first receiving cavity 110, the sealing mechanism seals the heat pipe in the first receiving cavity 110 through the third connecting port 140, because the component for sealing the opening of the sealing mechanism directly seals the heat pipe in the first receiving cavity 110 through the third connecting port 140, and the first receiving cavity 110 is a vacuum pumping cavity, the pumping end and the sealing end of the heat pipe are integrated in one place, and the sealing mechanism on the conventional device is generally not connected with the base 100, and the base 100 and the sealing mechanism are separately disposed, therefore, the technical solution of this embodiment can improve the integration level of the device, and reduce the occupied volume of the device.

In some embodiments of the present invention, as shown in fig. 4 to 5, the sealing mechanism includes a driving device 210, a pressing tool 220 and a tool post 230, the driving device 210 is installed on the base 100, the driving device 210 drives the pressing tool 220 to pass through the third connection port 140 to perform linear motion, the tool post 230 is located in the first accommodation cavity 110 and is distributed relative to the pressing tool 220, the pressing tool 220 matches with the shape of the opposite surface of the tool post 230, specifically, the driving device 210 may be a hydraulic cylinder, the pressing tool 220 is connected to a push rod 221 at the output end of the hydraulic cylinder, the push rod 221 is also inserted into the third connection port 140, a sealing ring 222 is sleeved on the push rod 221, the sealing ring 222 contacts with the inner wall of the third connection port 140, the third connection port 140 is sealed, the hydraulic cylinder drives the pressing tool 220 to perform linear motion, the pressing tool 220 extends into the first accommodation cavity 110 to cooperate with the tool post 230 to press the heat pipe, so as to seal the heat pipe after vacuuming, and the sealing process is completed in the first accommodation cavity 110.

It should be noted that the driving device 210 is not limited to the above embodiment, and other embodiments may be adopted, for example, the driving device 210 may also be an electric cylinder or an air cylinder.

In some embodiments of the present invention, as shown in fig. 4, the sealing mechanism further includes a guide 240, the guide 240 is located in the first accommodating cavity 110, the guide 240 cooperates with the pressing knife 220 to limit the lateral movement of the pressing knife 220, specifically, the guide 240 may be a guide block with a guide groove 241, the guide groove 241 of the guide block matches with the shape of the side of the pressing knife 220, the guide block is disposed on both sides of the pressing knife 220, the pressing knife 220 is driven by the driving device 210 to make a linear movement, and the guide groove 241 limits the fine lateral movement generated when the pressing knife 220 moves, so that the pressing knife 220 can accurately align the knife holder 230, reduce the situation that the gap is generated between the pressing knife 220 and the knife holder 230 due to the deviation of the pressing knife 220, and enable the heat pipe to be more smoothly sealed.

In some embodiments of the present invention, as shown in fig. 4, the tool post 230 is provided with a second guiding portion 231, the second guiding portion 231 is used for guiding the heat pipe to the axis of the heat pipe to coincide with the axis of the first connecting hole 120, specifically, the tool post 230 has the second guiding portion 231 on one side close to the first connecting hole 120, the second guiding portion 231 is in the shape of a half cone with a diameter reduced from the first connecting hole 120 to the second connecting hole 130, when the axis of the heat pipe slightly deviates from the axis of the first connecting hole 120 through the second guiding portion 231, the heat pipe firstly touches the conical surface of the second guiding portion 231, and then the conical surface guides to the correct position, so that no large gap is generated between the tool post 230 and the heat pipe, thereby the heat pipe can be pressed more tightly when the pressing knife 220 seals, and the sealing performance of the heat pipe can be improved.

In some embodiments of the present invention, as shown in fig. 4 to 5, the base 100 includes a sealing mechanism 150, the sealing mechanism 150 is located at one end of the first connecting hole 120 away from the first cavity 110, in order to insert a part of the heat pipe into the first cavity 110, the aperture of the first connecting hole 120 needs to be slightly larger than the maximum outer diameter of the heat pipe, the sealing mechanism 150 is used to seal the first cavity 110 when the heat pipe is inserted into the first connecting hole 120, and when a part of the heat pipe is inserted into the first connecting hole 120, the sealing mechanism located at one end of the first connecting hole 120 seals the gap between the part of the heat pipe inserted into the first connecting hole 120 and the inner wall of the first connecting hole 120, so as to seal the first cavity 110. The sealing mechanism 150 can improve the sealing performance of the first cavity 110 during vacuum pumping, thereby improving the vacuum pumping efficiency and reducing the occurrence of air leakage.

In some embodiments of the present invention, as shown in fig. 4 to 5, the sealing mechanism 150 includes a driving part 151, a supporting plate 152 and a sealing member 153, the driving part 151 is located at the first connecting hole 120 and connected to the outer wall of the base 100, the supporting plate 152 is connected to the output end of the driving part 151, the driving part 151 drives the supporting plate 152 to move linearly, the sealing member 153 is located between the supporting plate 152 and the first connecting hole 120, one end of the sealing member 153 abuts against the supporting plate 152, and the other end of the sealing member abuts against the first connecting hole 120, the supporting plate 152 is provided with a first through hole 154 opposite to the first connecting hole 120, the driving part 151 can be a cylinder, the heat pipe is inserted into the first connecting hole 120 through the first through hole 154, before insertion, the cylinder drives the supporting plate 152 to move outward, the sealing member 153 is not deformed by axial compression, after the heat pipe is inserted into the first through hole 154 and the sealing member 153, the cylinder drives the supporting plate 152 to move inward, the supporting plate 152 compresses the sealing member 153, the sealing member 153 deforms radially by axial compression, the gap between the heat pipe and the first connecting hole 120 is filled and sealed, thereby improving the vacuum efficiency and reducing the gas leakage of the situation.

It should be noted that the driving member 151 is not limited to the above-mentioned embodiment, and other embodiments may be adopted, for example, the driving member 151 may also be a screw motor.

In some embodiments of the present invention, as shown in fig. 4 to 5, the supporting plate 152 is provided with a first guiding portion 155, the axis of the first guiding portion 155 coincides with the axis of the first through hole 154, the first guiding portion 155 is in a shape of a cone with a small top and a large bottom, when the heat pipe is inserted, if the axis of the heat pipe slightly deviates from the axis of the first through hole 154, the cone will contact the first guiding portion 155 first, and the cone guides to the correct position, so that the heat pipe can be inserted into the first connecting hole 120, and the jamming condition is reduced.

In some embodiments of the present invention, as shown in fig. 4 to 5, the base 100 further includes an axial positioning mechanism 160, the axial positioning mechanism 160 is located in the first accommodating cavity 110, the axial positioning mechanism 160 is used for axial positioning when the heat pipe is vacuumized, the heat pipe is inserted into the first accommodating cavity 110 from the first connecting hole 120, the first connecting hole 120 limits radial movement of the heat pipe, and the axial positioning element can limit axial movement of the heat pipe, so that the heat pipe does not generate axial movement when vacuumized, thereby reducing air leakage.

In some embodiments of the present invention, as shown in fig. 4 to 5, the axial positioning mechanism 160 includes a positioning sleeve 161, a positioning head 162 and an elastic member 163, the positioning sleeve 161 is located between the first accommodating cavity 110 and the first connecting hole 120, the positioning head 162 is disposed in the positioning sleeve 161 and can slide in the positioning sleeve 161, the positioning head 162 is provided with a hole for air suction, one end of the elastic member 163 abuts against the positioning head 162, the other end abuts against the positioning sleeve 161, the elastic member 163 can be a coil spring, the axis of the positioning sleeve 161 and the axis of the positioning head 162 all coincide with the axis of the first connecting hole 120, the heat pipe abuts against the positioning head 162 after being inserted from the first connecting hole 120, the positioning head 162 slides to compress the coil spring to form an outward elastic force, when a vacuum is extracted, the elastic force and the pressure difference between the inside and the outside of the heat pipe generate an inward suction force, so that the heat pipe does not generate axial movement when the vacuum is extracted, thereby reducing the air leakage situation.

It should be noted that the elastic member 163 is not limited to the above embodiment, and other embodiments may be adopted, for example, the elastic member 163 may also be rubber or silicone.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or 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, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A heat pipe evacuation apparatus, comprising:

the base body (100) is internally provided with a first cavity (110), the base body (100) is also provided with a first connecting hole (120) and a second connecting hole (130) which are communicated with the first cavity (110), the first connecting hole (120) is used for being in butt joint with a heat pipe, and the second connecting hole (130) is used for being externally connected with a vacuum source;

the sealing mechanism is installed on the base body (100), the heat pipe part is inserted into the first containing cavity (110), and the sealing mechanism is used for sealing the heat pipe located in the first containing cavity (110).

2. A heat pipe vacuum pumping apparatus according to claim 1, wherein the base (100) is further provided with a third connection port (140) communicating with the first cavity (110), and the sealing mechanism seals the heat pipe in the first cavity (110) through the third connection port (140).

3. A heat pipe vacuum extractor according to claim 2, wherein the sealing mechanism includes a driving device (210), a pressing blade (220), and a blade seat (230), the driving device (210) is installed on the base (100), the driving device (210) drives the pressing blade (220) to pass through the third connection port (140) for linear movement, the blade seat (230) is located in the first cavity (110) and distributed opposite to the pressing blade (220), and the shapes of the opposite surfaces of the pressing blade (220) and the blade seat (230) are matched.

4. A heat pipe vacuum pumping apparatus according to claim 3, wherein the sealing mechanism further comprises a guiding member (240), the guiding member (240) is located in the first cavity (110), and the guiding member (240) cooperates with the pressing blade (220) to limit the lateral movement of the pressing blade (220).

5. A heat pipe vacuum pumping apparatus according to claim 3, wherein the tool holder (230) is provided with a second guiding portion (231), and the second guiding portion (231) is used for guiding the heat pipe until the axis of the heat pipe coincides with the axis of the first connection hole (120).

6. A heat pipe vacuum pumping apparatus according to claim 1, wherein the base body (100) comprises a sealing mechanism (150), the sealing mechanism (150) is located at the first connection hole (120), and the sealing mechanism (150) is used for sealing the first cavity (110) when the heat pipe is inserted into the first connection hole (120).

7. A heat pipe vacuum pumping apparatus according to claim 6, wherein the sealing mechanism (150) comprises a driving member (151), a supporting plate (152), and a sealing member (153), the driving member (151) is located at the first connecting hole (120), the supporting plate (152) is connected to an output end of the driving member (151), the sealing member (153) is located between the supporting plate (152) and the first connecting hole (120), one end of the sealing member (153) abuts against the supporting plate (152), the other end abuts against the first connecting hole (120), and a first through hole (154) opposite to the first connecting hole (120) is disposed on the supporting plate (152).

8. A heat pipe vacuum pumping apparatus according to claim 7, wherein the support plate (152) is provided with a first guide portion (155), and an axis of the first guide portion (155) coincides with an axis of the first through hole (154).

9. A heat pipe vacuum pumping apparatus according to claim 1, wherein the base body (100) further comprises an axial positioning mechanism (160), the axial positioning mechanism (160) is located in the first cavity (110), and the axial positioning mechanism (160) is used for performing axial positioning during vacuum pumping of the heat pipe.

10. A heat pipe vacuum extractor according to claim 9, wherein the axial positioning mechanism (160) includes a positioning sleeve (161), a positioning head (162) and an elastic member (163), the positioning sleeve (161) is located between the first cavity (110) and the first connection hole (120), the positioning head (162) is disposed in the positioning sleeve (161) and can slide in the positioning sleeve (161), a hole is disposed on the positioning head (162), one end of the elastic member (163) abuts against the positioning head (162), the other end abuts against the positioning sleeve (161), and an axis of the positioning sleeve (161) and an axis of the positioning head (162) are both coincident with an axis of the first connection hole (120).

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