CN220679781U

CN220679781U - Shunt flow adjustable control water-air unit and system

Info

Publication number: CN220679781U
Application number: CN202322368800.6U
Authority: CN
Inventors: 马清海; 李博
Original assignee: Smc Tianjin Manufacturing Co ltd; Smc China Co ltd; SMC Beijing Manufacturing Co Ltd; SMC Corp
Current assignee: Smc Tianjin Manufacturing Co ltd; Smc China Co ltd; SMC Beijing Manufacturing Co Ltd; SMC Corp
Priority date: 2023-08-31
Filing date: 2023-08-31
Publication date: 2024-03-29
Anticipated expiration: 2033-08-31

Abstract

The utility model discloses a water-air unit and a system with adjustable and controllable shunt flow. The water gas unit includes: the electric cabinet, the water inlet pipeline and the water return pipeline; the water inlet pipeline comprises a water inlet main pipeline and a plurality of water inlet branches communicated with the water inlet main pipeline; the water return pipeline comprises a water return main pipeline and a plurality of water return branches communicated with the water return main pipeline; the water inlet branch is correspondingly connected with the water inlet of the part to be cooled, the water return branch is correspondingly connected with the water outlet of the part to be cooled, and the water inlet branch, the part to be cooled and the water return branch are correspondingly communicated in sequence to form a plurality of cooling branches; the cooling branch is provided with an adjusting component, the adjusting component is electrically connected with the electric cabinet and used for detecting the liquid flow of the cooling branch and transmitting the liquid flow information to the electric cabinet so as to control the adjusting component to adjust the liquid flow of the cooling branch based on the liquid flow information. The cooling branch needs can be effectively matched, and the fault point of the equipment can be accurately found.

Description

Shunt flow adjustable control water-air unit and system

Technical Field

The utility model relates to the technical field of robot welding application, in particular to a water-air unit and a system with adjustable and controllable shunt flow.

Background

Currently, in the manufacturing fields of automobiles, aerospace, large machinery and the like, the welding robot is utilized for welding, so that the welding robot has the characteristics of low voltage, high current and short operation time; the application of part welding by utilizing an automatic welding mode is more and more widespread, in the automatic welding process, a welding tongs of a welding robot melts base metal of a pressurizing part of an electrode by utilizing generated resistance heat so as to form a nugget welding spot, and the welding parts are connected at the welding spot; in the automatic welding process, high temperature can be generated on some working parts of the welding robot, such as a welding controller, a transformer and an electrode cap, and cooling water is required to be introduced in the welding process to cool the working parts so as to ensure the normal operation of welding operation. In the prior art, cooling water is introduced into each working part through a cooling pipeline in a water-gas unit to cool each working part, and the tail end of a water inlet pipeline of the existing cooling pipeline is respectively connected with the working part to be cooled so as to cool the working part.

Disclosure of Invention

The inventor of the application finds that the cooling liquid flowing into each part to be cooled from the water inlet pipeline of the existing water-gas unit is randomly uncontrollable, the cooling part cannot be cooled according to the cooling requirement of each part to be cooled, and when the existing water-cooling unit cools the part, the problem that a fault occurs cannot be quickly searched when a certain part to be cooled breaks down.

The present utility model has been made in view of the above problems, and it is an object of the present utility model to provide a branching flow adjustable control water vapor unit and system which overcomes or at least partially solves the above problems.

The embodiment of the utility model provides a water vapor unit with adjustable and controllable shunt flow, which comprises: the electric cabinet, the water inlet pipeline and the water return pipeline;

the water inlet pipeline comprises a water inlet main pipeline and a plurality of water inlet branches communicated with the water inlet main pipeline;

the water return pipeline comprises a water return main pipeline and a plurality of water return branches communicated with the water return main pipeline;

the water inlet branch is used for being correspondingly communicated with a water inlet of the part to be cooled, the water return branch is used for being correspondingly communicated with a water outlet of the part to be cooled, and the water inlet branch, the part to be cooled and the water return branch are sequentially and correspondingly communicated to form a plurality of cooling branches;

the cooling branch is provided with an adjusting component, and the adjusting component can be electrically connected with the electric cabinet and is used for detecting the liquid flow of the cooling branch and transmitting liquid flow information to the electric cabinet so as to control the adjusting component to adjust the liquid flow of the cooling branch based on the liquid flow information.

In an alternative embodiment, the water intake main includes: the first switch valve, the filter, the electromagnetic valve and the plurality of first three-way connectors are connected in sequence through the connecting pipeline;

the electromagnetic valve is electrically connected with the electric control box so as to control the opening and closing of the electromagnetic valve through the electric control box;

the first three-way joint is used for being connected with a water inlet of the part to be cooled through a connecting pipe so as to form a water inlet branch.

In an alternative embodiment, the water return main path includes: the second switch valve and the plurality of second three-way connectors are connected through the connecting pipeline in sequence;

the second three-way joint is used for being connected with a water outlet of the part to be cooled through a connecting pipe so as to form a backwater branch.

In an alternative embodiment, the end of the second three-way joint remote from the second switching valve is connected with a one-way valve or a two-position two-way valve.

In an alternative embodiment, the adjusting component is arranged on each water inlet branch for detecting the liquid flow rate of each water inlet branch;

or, the adjusting component is arranged on each return branch path and is used for detecting the liquid flow of each return branch path.

In an alternative embodiment, the regulating assembly is a flow switch or a waterway balancing valve.

In an alternative embodiment, the water gas unit further comprises: the air circuit assembly is electrically connected with the electric cabinet.

In an alternative embodiment, the water gas unit further comprises a bracket;

the air circuit assembly, the electric cabinet, the water inlet pipeline and the water return pipeline are all arranged on the support.

An embodiment of the present utility model provides a welding system including: the water source device, the welding robot, the upper computer and the water-air unit with adjustable and controllable shunt flow;

the water outlet of the water source device, the water outlet, the water inlet main channel, the water inlet branch channel, the part to be cooled of the welding robot, the water return branch channel, the water return main channel and the water inlet of the water source device are sequentially communicated;

the upper computer is electrically connected with the electric cabinet, and is used for receiving the liquid flow information transmitted by the electric cabinet, and controlling the regulating component to regulate the liquid flow of the cooling branch circuit based on the liquid flow information.

In an alternative embodiment, the part to be cooled of the welding robot includes: welding the controller, the transformer and the electrode cap;

the water inlet branch comprises: the first water inlet branch, the second water inlet branch and the third water inlet branch;

the backwater branch circuit comprises: the first water return branch, the second water return branch and the third water return branch;

the first water inlet branch, the transformer and the first water return branch are sequentially communicated to form a first cooling branch;

the second water inlet branch, the electrode cap and the second water return branch are sequentially communicated to form a second cooling branch;

the third water inlet branch, the welding controller and the third water return branch are sequentially communicated to form a third cooling branch.

The technical scheme provided by the embodiment of the utility model has the beneficial effects that at least:

the water inlet pipeline comprises a water inlet main pipeline and a plurality of water inlet branches communicated with the water inlet main pipeline, the water return pipeline comprises a water return main pipeline and a plurality of water return branches communicated with the water return main pipeline, and the water inlet branches, the components to be cooled and the water return branches can be sequentially communicated to form a plurality of cooling branches so as to cool the corresponding components to be cooled through the cooling branches; compared with the existing water-air unit, the multiple cooling branches arranged in the water-air unit are not mutually influenced, the corresponding connected parts to be cooled can be cooled through the cooling branches, and the adjusting assemblies are arranged on the cooling branches to monitor and control the liquid flow of the cooling branches, so that the cooling liquid flow of the cooling branches is effectively matched with the requirements of the cooling branches, and meanwhile, when the parts to be detected are in failure, the failed cooling branches and parts can be judged according to the liquid flow data detected by the adjusting assemblies, the failure point position of equipment can be accurately found, the failure diagnosis downtime is reduced, the equipment maintenance cost is effectively reduced, and the productivity is improved.

Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. The objectives and other advantages of the utility model will be realized and attained by the structure particularly pointed out in the written description and claims thereof as well as the appended drawings.

The technical scheme of the utility model is further described in detail through the drawings and the embodiments.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic diagram of a hydro-pneumatic unit according to an embodiment of the utility model.

Reference numerals illustrate:

1-a water inlet main path, 2-a water return main path, 3-a gas path assembly, 4-an electric cabinet, 5-a bracket and 6-a water source device;

11-a first water inlet branch, 12-a second water inlet branch, 13-a third water inlet branch, 14-a first switch valve, 15-a filter, 16-an electromagnetic valve and 17-a first three-way joint;

21-a first backwater branch, 22-a second backwater branch, 23-a third backwater branch, 24-a second switch valve, 25-a one-way valve, 26-an adjusting component and 27-a second three-way joint.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The inventor of the application finds that the cooling liquid flowing into each part to be cooled from the water inlet pipeline is randomly uncontrollable, the cooling part cannot be cooled according to the cooling requirement of each part to be cooled, and when the existing water vapor unit cools the part, the problem that a fault occurs cannot be quickly searched when a certain part to be cooled breaks down.

When the existing water-gas unit is applied to the working parts of the welding robot, such as a transformer, an electrode cap and the like for cooling, the following problems may occur: (1) the insufficient water flow of the transformer leads to insufficient cooling and overheating burnout of the transformer, thereby needing to stop production and replace the transformer and affecting production operation; (2) the cooling water of the electrode cap is insufficient, high-temperature alarm occurs, and the shutdown is caused; or the cooling water of the electrode cap is excessively cooled by the excessive flow, so that poor welding quality, cold joint occurrence and the like are caused.

In order to solve the problems in the prior art, the embodiment of the utility model provides a water-air unit and a system with adjustable and controllable shunt flow.

The water vapor unit with adjustable and controllable shunt flow provided by the embodiment of the utility model, referring to fig. 1, comprises: the electric cabinet 4, a water inlet pipeline and a water return pipeline;

the water inlet pipeline comprises a water inlet main pipeline 1 and a plurality of water inlet branches communicated with the water inlet main pipeline 1;

the water return pipeline comprises a water return main pipeline 2 and a plurality of water return branches communicated with the water return main pipeline 2;

the water inlet branch is used for being correspondingly communicated with the water inlet of the part to be cooled, the water return branch is used for being correspondingly communicated with the water outlet of the part to be cooled, and the water inlet branch, the part to be cooled and the water return branch are sequentially and correspondingly communicated to form a plurality of cooling branches;

the cooling branch is provided with an adjusting component 26, and the adjusting component 26 can be electrically connected with the electric cabinet 4 and is used for detecting the liquid flow of the cooling branch and transmitting the liquid flow information to the electric cabinet 4 so as to control the adjusting component 26 to adjust the liquid flow of the cooling branch based on the liquid flow information.

Wherein, for the corresponding setting of number of water inlet branch road and return branch road, for example refer to the fig. 1 and show, water inlet branch road sets up to 3, includes: when the first water inlet branch 11, the second water inlet branch 12 and the third water inlet branch 13 are corresponding, the number of water return branches is correspondingly 3, namely, the water return branches comprise: a first return branch 21, a second return branch 22 and a third return branch 23; and the number of the water inlet branches and the water return branches is corresponding to the number of the parts to be cooled, namely, each cooling branch is used for cooling one part to be cooled.

When the liquid flow information control and regulation component 26 regulates the liquid flow of the cooling branch, the liquid flow of the cooling branch can be regulated by the manual regulation and regulation component 26 based on the liquid flow information collected by the electric cabinet 4; the liquid flow information can also be transmitted to a remote upper computer controller (PLC controller) through the electric control box 4, a control signal is output through the PLC controller, the electric control box 4 controls the regulating component 26 to regulate the liquid flow of the cooling branch based on the control signal, wherein the electric control box 4 serves as a relay control box of the PLC controller and terminal use elements (such as an electromagnetic valve, a flow switch and the like in the water-gas unit); the manner in which the embodiments of the present utility model control the adjustment assembly 26 to adjust the flow of liquid is not particularly limited.

The water vapor unit with the adjustable and controllable shunt flow provided by the embodiment of the utility model has the advantages that the water inlet branch, the to-be-cooled component and the water return branch can be sequentially communicated to form a plurality of cooling branches, so that the correspondingly connected to-be-cooled component is cooled through the cooling branches; compared with the existing water-air unit, the multiple cooling branches arranged in the embodiment are not mutually influenced, the corresponding connected parts to be cooled can be cooled through the cooling branches, the adjusting assemblies 26 are arranged on the cooling branches to monitor and control the liquid flow of the cooling branches, the cooling liquid flow of the cooling branches is further effectively matched with the requirements of the cooling branches, meanwhile, when the parts to be detected are failed, the failed cooling branches and parts can be judged according to the liquid flow data detected by the adjusting assemblies 26, the failure point positions of equipment can be accurately found, the failure diagnosis downtime is reduced, the equipment maintenance cost is effectively reduced, and the productivity is improved.

Optionally, the water inlet main channel 1 of the embodiment of the present utility model includes: a first switch valve 14, a filter 15, an electromagnetic valve 16 and a plurality of first three-way connectors 17 which are connected in sequence through connecting pipelines;

the electromagnetic valve 16 is electrically connected with the electric cabinet 4 so as to control the opening and closing of the electromagnetic valve 16 through the electric cabinet 4;

the first three-way connection 17 is intended to be connected to the water inlet of the component to be cooled by means of a connecting pipe, so as to form a water inlet branch.

Wherein the electromagnetic valve 16 can be used for controlling the liquid flow of the water inlet main channel 1; specifically, solenoid valve 16 may be a two-position, two-way solenoid valve.

The return water main path 2 includes: a second switch valve 24 and a plurality of second three-way connectors 27 which are connected in sequence through connecting pipelines;

the second three-way joint 27 is used for being connected with a water outlet of the part to be cooled through a connecting pipeline so as to form a backwater branch.

Wherein the first switch valve 14 and the second switch valve 24 may be manual shut-off valves; the number of the water inlet branches and the water return branches which can be set according to the needs can be set for the first three-way joint 16 and the second three-way joint 27, and when the number of the water inlet branches and the water return branches is 3 respectively, the number of the first three-way joint 26 and the second three-way joint 27 is 2 and are connected in sequence as shown in the figure 1; namely, a water inlet branch and a water return branch are led out from the water inlet main path 1 or the water return main path 2 by arranging a three-way joint. The filter on the water inlet main path 1 is not particularly limited as long as the filter can achieve the filtering effect on the introduced cooling liquid, and for example, the filter can be a Y-type filter.

Further, the end of the second three-way joint 27 far away from the second switch valve 24 is connected with a one-way valve 25 or a two-position two-way valve, so that the cooling liquid entering from the water inlet pipeline can only enter the water return main pipeline 2 from the water return branch, and the water flowing from the water return branch into the water return main pipeline 2 is prevented from flowing into other water return branches.

In an alternative embodiment, the adjustment assembly 26 is disposed on each inlet leg for detecting the flow of liquid from each inlet leg;

alternatively, the adjusting component 26 is disposed on each return branch for detecting the liquid flow rate of each return branch.

That is, when the adjusting component 26 is disposed in the water-air unit, the specific disposition position of the adjusting component 26 in the water-air unit is not set in the embodiment of the present utility model, for example, the adjusting component may be disposed on the water inlet branch or the water return pipe; accordingly, when the regulating assembly 26 is disposed in the inlet branch, it is used to detect the liquid flow rate of the inlet branch; when the liquid flow detection device is arranged on the backwater branch, the liquid flow detection device is used for detecting the liquid flow of the backwater branch.

Further, the regulating assembly 26 may be a flow switch or a waterway balancing valve.

Specifically, when the adjustment component 26 is selected, if feedback is required to be performed on the liquid flow information of the branch, and corresponding adjustment is required to be performed on the liquid flow of the branch according to the feedback information, the flow switch is selected; when the flow feedback is not needed for the information of a certain branch, and the liquid flow of the branch is only needed to be in a preset range, the adjusting component 26 of the branch can be set as a waterway balance valve, and the fluid passing through the waterway balance valve is in the preset range.

Optionally, the water gas unit according to the embodiment of the present utility model further includes: the air circuit assembly 3, the air circuit assembly 3 is connected with the electric cabinet 4 electricity. The gas path component 3 serving as a gas path part of the water vapor unit is mainly used for blowing water during reconstruction and maintenance of a water inlet pipeline and a water outlet pipeline; when the water-gas unit is applied to cool the welding robot, the water-gas unit can provide gas supply for the equipment fixture, and the gas circuit assembly 3 comprises a pressure sensor electrically connected with the electric cabinet 4 for detecting whether the equipment fixture clamps in place an article to be welded and transmitting detected information to the electric cabinet 4 for subsequent processing.

Further, the water-air unit of the embodiment of the utility model further comprises a bracket 5;

the air circuit component 3, the electric cabinet 4, the water inlet pipeline and the water return pipeline can be arranged on the bracket 5.

For the water-air unit provided by the embodiment of the utility model, when welding work is performed and the adjusting component 26 is arranged on the water return branch, the working principle of the water-air unit is described as follows: when the pressure sensor of the air circuit assembly 3 detects that the equipment clamp is clamped on an article to be welded, the welding work of the part to be welded is started, at the moment, the cooling liquid entering the water inlet main circuit 1 enters the water inlet main circuit 1 through the opened first switch valve 14, the filter 15 and the two-position two-way electromagnetic valve, and flows into the part to be cooled of the welding robot connected with the water inlet main circuit through the water inlet branch circuit after flowing into the water inlet branch circuit, the cooling liquid takes away heat of the relevant part after circulating in the part to be cooled, flows into the water return branch circuit connected with the part to be cooled, and returns to the water return main circuit 2 through the adjusting assembly 26, the one-way valve or the two-position two-way valve.

The water-gas unit of the embodiment of the utility model reasonably arranges pipeline distribution and effectively matches the pipeline flow requirements, and adds the monitoring and adjusting module (namely the adjusting component) to realize the visualization of the liquid flow information in the pipeline, thereby realizing the open-loop control to closed-loop control of the liquid flow, defining the liquid flow flowing through each cooling branch and realizing the verifiability of the functional effect.

Based on the same inventive concept, an embodiment of the present utility model further provides a welding system, as shown in fig. 1, including: the water source device 6, the welding robot, the upper computer (not shown in the figure) and the water-air unit with adjustable and controllable shunt flow;

the water outlet of the water source device 6, the water inlet main path 1, the water inlet branch path, a part to be cooled of the welding robot, the water return branch path, the water return main path 2 and the water inlet of the water source device 6 are sequentially communicated;

the upper computer is electrically connected with the electric cabinet 4, and is used for receiving the liquid flow information transmitted by the electric cabinet 4 and controlling the adjusting component 26 to adjust the liquid flow of the cooling branch based on the liquid flow information.

In an alternative embodiment, referring to fig. 1, a part to be cooled of a welding robot includes: welding the controller, the transformer and the electrode cap;

the water inlet branch comprises: a first water inlet branch 11, a second water inlet branch 12 and a third water inlet branch 13;

the backwater branch circuit includes: a first return branch 21, a second return branch 22 and a third return branch 23;

wherein, the first water inlet branch 11, the transformer and the first water return branch 21 are sequentially communicated to form a first cooling branch;

the second water inlet branch 12, the electrode cap and the second water return branch 22 are sequentially communicated to form a second cooling branch;

the third water inlet branch 13, the welding controller and the third water return branch 23 are sequentially communicated to form a third cooling branch.

The precise control of the liquid flow rates of the transformer, the electrode cap and the welding controller is distributed by a flow switch 26 (or a waterway balance valve), so that the quality of welding and the continuity of production are effectively ensured according to the water flow rate of each component, which is required to provide stable flow rate. And when a certain part in the transformer, the electrode cap and the welding controller fails, the equipment failure point position can be accurately found according to the liquid flow passing through each cooling branch, the failure diagnosis downtime is reduced, the cost is effectively reduced, and the productivity is improved.

The water source device 6 of the welding system can be a cooling pipeline connected from a welding workstation or a water chiller arranged near the welding robot so as to be connected with a water inlet pipeline of the water-gas unit to provide a power source for the water-gas unit.

The specific implementation of the water vapor unit for cooling the component to be cooled in the welding system of the above embodiment has been described in detail in the embodiment related to the water vapor unit, and will not be described in detail herein.

It should be understood that the specific order or hierarchy of steps in the processes disclosed are examples of exemplary approaches. Based on design preferences, it is understood that the specific order or hierarchy of steps in the processes may be rearranged without departing from the scope of the present disclosure. The accompanying method claims present elements of the various steps in a sample order, and are not meant to be limited to the specific order or hierarchy presented.

In the foregoing detailed description, various features are grouped together in a single embodiment for the purpose of streamlining the disclosure. This method of disclosure is not to be interpreted as reflecting an intention that the claimed embodiments of the subject matter require more features than are expressly recited in each claim. Rather, as the following claims reflect, utility model lies in less than all features of a single disclosed embodiment. Thus the following claims are hereby expressly incorporated into this detailed description, with each claim standing on its own as a separate preferred embodiment of this utility model.

The foregoing description includes examples of one or more embodiments. It is, of course, not possible to describe every conceivable combination of components or methodologies for purposes of describing the aforementioned embodiments, but one of ordinary skill in the art may recognize that many further combinations and permutations of various embodiments are possible. Accordingly, the embodiments described herein are intended to embrace all such alterations, modifications and variations that fall within the scope of the appended claims. Furthermore, as used in the specification or claims, the term "comprising" is intended to be inclusive in a manner similar to the term "comprising," as interpreted when employed as a transitional word in a claim. Furthermore, any use of the term "or" in the specification of the claims is intended to mean "non-exclusive or".

Claims

1. A shunt flow adjustable controlled hydro-pneumatic unit comprising: the electric cabinet, the water inlet pipeline and the water return pipeline;

2. The water gas cell of claim 1, wherein the water inlet main circuit comprises: the first switch valve, the filter, the electromagnetic valve and the plurality of first three-way connectors are connected in sequence through the connecting pipeline;

3. The water gas cell of claim 2, wherein the water return primary path comprises: the second switch valve and the plurality of second three-way connectors are connected through the connecting pipeline in sequence;

4. The water gas cell of claim 3, wherein a check valve or a two-position two-way valve is connected to the end of the second three-way connection remote from the second switch valve.

5. The water gas cell of claim 1, wherein the adjustment assembly is disposed on each of the water inlet branches for detecting a flow rate of the liquid in each of the water inlet branches;

6. The water gas cell of claim 5, wherein the regulating component is a flow switch or a waterway balancing valve.

7. The water gas cell of any one of claims 1-6, further comprising: the air circuit assembly is electrically connected with the electric cabinet.

8. The water gas cell of claim 7, further comprising a bracket;

9. A welding system, comprising: a water source device, a welding robot, an upper computer and the branching flow-adjustable and controllable water-air unit according to any one of claims 1 to 7;

10. The system of claim 9, wherein the component to be cooled of the welding robot comprises: welding the controller, the transformer and the electrode cap;