CN218383745U

CN218383745U - Liquid level detection equipment, liquid level control system and processing equipment

Info

Publication number: CN218383745U
Application number: CN202222502382.0U
Authority: CN
Inventors: 袁朗; 王成兵; 张双琳; 王建鹏; 靳炜
Original assignee: Shaanxi Nobet Automation Technology Co ltd
Current assignee: Shaanxi Nobet Automation Technology Co ltd
Priority date: 2022-09-21
Filing date: 2022-09-21
Publication date: 2023-01-24
Anticipated expiration: 2032-09-21

Abstract

The utility model relates to the technical field of machine tools, in particular to a liquid level detection device, a liquid level control system and a processing device, which comprises a linkage piece, wherein one end of the linkage piece is connected with a floater, and the other end of the linkage piece sequentially passes through a lower limiting piece and an upper limiting piece; the fixing piece is positioned between the lower limiting piece and the upper limiting piece and is detachably connected with the linkage piece; the signal trigger piece is used for being matched with the signal sensing piece to generate a trigger signal, and one of the signal trigger piece and the signal sensing piece is arranged on the linkage piece and located between the fixing pieces. The utility model discloses utilize the mounting, down the cooperation between spacing and the last spacing, can let signal trigger spare and signal response spare keep long trigger state, let trigger signal continuously send, and then guarantee that the liquid level detection signal can not be because of the problem production that can not effectively detect of the too short time when the signal lasts, realize that continuation, the stability of coolant liquid cycle work go on.

Description

Liquid level detection equipment, liquid level control system and processing equipment

Technical Field

The utility model belongs to the technical field of the lathe technique and specifically relates to a liquid level detection equipment, liquid level control system and processing equipment are related to.

Background

When a metal cutting machine tool is used for processing a workpiece, cooling liquid is needed, the cooling liquid can be recycled for improving the utilization rate of the cooling liquid, and the liquid level of the cooling liquid needs to be accurately monitored for realizing the recycling of the cooling liquid. In the existing technology for detecting and controlling the liquid level of machine tool coolant, for example, a liquid level detection control device of a water tank disclosed in chinese patent publication No. CN210515048U includes a liquid level detection device, which includes a vertical connecting conduit, a metal floating ball disposed in the vertical connecting conduit and capable of moving up and down along the vertical connecting conduit, a plurality of pipe clamp brackets disposed on the vertical connecting conduit in sequence from bottom to top, and proximity switches disposed on the pipe clamp brackets and used for detecting the metal floating ball, so as to implement multi-stage liquid level control.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a liquid level detection equipment, liquid level control system and processing equipment solve the above-mentioned technical problem who exists among the prior art, mainly include following three aspect:

the utility model discloses the first aspect provides a liquid level detection equipment, include:

one end of the linkage piece is connected with the floater, and the other end of the linkage piece sequentially penetrates through the lower limiting piece and the upper limiting piece;

the fixing piece is positioned between the lower limiting piece and the upper limiting piece and is detachably connected with the linkage piece;

the signal trigger piece is used for being matched with the signal induction piece to generate a trigger signal; one of the signal triggering part and the signal sensing part is arranged on the linkage part and is positioned between the fixing parts.

Further, the liquid level detection equipment comprises a plurality of signal trigger pieces which are sequentially arranged along the longitudinal direction.

Further, the upper limiting part is provided with a locking part, and the locking part is detachably connected with the linkage part.

Further, the liquid level detection equipment still includes the installed part, and one in signal trigger part and the signal response piece sets up on the linkage, and the other in signal trigger part and the signal response piece is connected with the installed part.

Further, lower spacing piece and last spacing piece are connected with the installed part respectively.

Further, a sliding groove is formed in the mounting piece, a sliding piece in sliding fit with the sliding groove is arranged in the sliding groove, and the signal triggering piece or the signal sensing piece is fixedly connected with the sliding piece.

Further, one of the signal trigger piece and the signal induction piece is connected with the linkage piece in a sliding mode.

Furthermore, the liquid level detection equipment further comprises an avoiding cavity matched with the floater, the avoiding cavity is located below the lower limiting part, and the linkage part penetrates through the avoiding cavity.

The utility model discloses the second aspect provides a liquid level control system, including container, pump machine and foretell liquid level detection equipment, the container includes the inlet, the float sets up in the container, the input and the container bottom intercommunication of pump machine.

The utility model discloses the third aspect provides a processing equipment, including foretell liquid level detection equipment, or foretell liquid level control system.

The utility model discloses relative to prior art have following technological effect at least:

the utility model discloses utilize the mounting, down spacing and go up the cooperation between the spacing, can let signal trigger spare and signal response spare keep long trigger state, let trigger signal continuously send, and then guarantee that the problem that liquid level detection signal can not be left out because of the signal is too short when lasting produces, realize that continuation, the stability of coolant liquid circulation work goes on.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments of the present invention or the description of the prior art will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of the construction of a liquid level detecting apparatus in embodiment 1;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a schematic structural view of a liquid level control system in embodiment 2;

FIG. 4 is a schematic view of the structure of a processing apparatus in example 3;

in the figure: 10. a float; 20. a linkage member; 210. a fixing member; 220. a signal sensing member; 230. a first signal trigger; 240. a second signal trigger; 250. a third signal trigger; 30. an avoidance cavity; 40. a locking member; 510. a mounting member; 520. an upper limiting member; 530. a lower retainer; 540. a chute; 550. a slider; 60. a container; 610. a pump machine; 620. a liquid inlet; 630. a liquid discharge port; 70. a circulation box; 710. A circulation pump; 80. a machine tool; 810. and (4) a cutter.

Detailed Description

The following description provides many different embodiments, or examples, for implementing different features of the invention. The particular examples set forth below are illustrative only and are not intended to be limiting.

To make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the attached drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the described embodiments are part of the embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

In the present disclosure, unless otherwise expressly stated or limited, the first feature may comprise both the first and second features directly contacting each other, and also may comprise the first and second features not being directly contacting each other but being in contact with each other by means of further features between them. Also, the first feature being above, on or above the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is at a higher level than the second feature. A first feature that underlies, and underlies a second feature includes a first feature that is directly under and obliquely under a second feature, or simply means that the first feature is at a lesser level than the second feature.

The first embodiment is as follows:

the embodiment of the utility model provides a liquid level detection equipment is provided, as shown in FIG. 1, include:

a linkage 20, one end of the linkage 20 is connected with the float 10, and the other end of the linkage 20 sequentially passes through the lower limiting member 530 and the upper limiting member 520;

at least two fixing pieces 210, the fixing piece 210 is positioned between the lower limiting piece 530 and the upper limiting piece 520, and the fixing piece 210 is detachably connected with the linkage piece 20;

the signal triggering part is used for generating a triggering signal by being matched with the signal sensing part 220; one of the signal triggering part and the signal sensing part 220 is disposed on the linkage part 20 and between the fixing parts 210.

In practical application, as the liquid level fluctuates, when the fluctuation speed of the liquid level is too high, the duration of a trigger signal generated by the metal floating ball and proximity switch type matching is shortened, and even the problem that the signal cannot be effectively detected due to too short triggering time is possibly generated, so that the abnormal circulation work of the cooling liquid is caused; in the embodiment, the signal triggering part or the signal sensing part 220 is arranged between the two fixing parts 210, and when the liquid level detection device is applied to the relay cooling liquid tank, the signal triggering part and the signal sensing part can be kept in a long triggering state by utilizing the matching among the fixing parts 210, the lower limiting part 530 and the upper limiting part 520, and the triggering signal is continuously sent out; when the liquid level of cooling tank in the cooling liquid incasement reachs the lower limit, mounting 210 and lower spacing piece 530 butt under, can with realize signal trigger piece and the signal response piece cooperation that the liquid level lower limit detected, let signal trigger piece and signal response piece be in long trigger state, continuously send the trigger signal that the liquid level reached the lower limit, and then guarantee that the liquid level detects the problem production that the upper and lower limit signal can not miss because of the signal lasts for a long time for a short time, realize that coolant liquid circulation work lasts, go on steadily.

Specifically, the liquid level detection equipment comprises a plurality of signal trigger parts which are sequentially arranged along the longitudinal direction. In some embodiments, the signal triggers may be sequentially disposed on the linkage member 20 along a longitudinal direction, and the signal sensing member 220 is disposed close to a path along which the signal triggers follow the float to move synchronously, during operation, along with circulation of the cooling liquid, the cooling liquid in the relay cooling liquid tank continuously accumulates, the float 10 floats upwards along with the accumulation process of the cooling liquid along with the liquid level of the cooling liquid, and simultaneously the signal triggers follow the float 10 to move longitudinally synchronously, and further along the longitudinal movement path, the signal triggers sequentially pass through the signal sensing member 220, and when the cooling liquid levels are different, the signal triggers sequentially trigger the signal sensing member 220 to generate sensing signals, which indicate different liquid levels of the cooling liquid, and further can cooperate with the processing equipment to trigger corresponding operations.

In other embodiments, the signal sensing element 220 may be disposed on the linkage element 20, a connection line of the plurality of signal triggering elements is parallel to a path along which the signal sensing element moves synchronously with the float, during operation, the signal sensing element 220 floats up and down synchronously with the float 10, and the plurality of signal triggering elements are sequentially disposed along the longitudinal direction, and the connection line of the plurality of signal triggering elements is parallel to the movement path of the signal sensing element, so that when the float floats up along with the liquid level of the cooling liquid, the signal sensing element 220 moves synchronously along the movement path along with the float 10 and sequentially triggers the plurality of signal triggering elements to generate triggering signals corresponding to different liquid level heights of the cooling liquid, thereby being capable of cooperating with the cooling liquid control system to trigger corresponding operations.

Specifically, a locking member 40 is disposed above the upper limiting member 520, and the locking member 40 is detachably connected to the linkage member 20. In the installation process, the linkage member 20 can pass through the lower limiting member 530 from bottom to top, then the fixing member 210, the signal triggering member or the signal sensing member 220 are sequentially installed on the linkage member 20 according to a preset sequence, then the top of the linkage member 20 passes through the upper limiting member 520 from bottom to top, and then the locking member 40 is connected with the top end of the linkage member 20, so that the fixing member 210, the signal triggering member or the signal sensing member 220 can be installed between the upper limiting member 520 and the lower limiting member 530; in addition, the float 10 may be integrally provided with the link 20, or the float 10 may be detachably connected to the bottom end of the link 20, and preferably, the float 10 is screwed, bolted, or snapped to the link 20.

Specifically, the liquid level detection device further comprises a mounting part 510, one of the signal triggering part and the signal sensing part 220 is arranged on the linkage part 20, and the other of the signal triggering part and the signal sensing part 220 is connected with the mounting part 510.

In some embodiments, when a plurality of signal triggering members may be sequentially disposed on the linkage member 20 in the longitudinal direction, the signal sensing member 220 is disposed near a path along which the signal triggering member follows the synchronous movement of the float 10, and the signal sensing member 220 may be disposed on the mounting member 510; when the signal sensing member 220 is provided on the link member 20, a plurality of signal triggering members may be provided on the mounting member 510, and the connection lines of the plurality of signal triggering members are parallel to the path along which the signal sensing member 220 moves synchronously with the float 10.

Specifically, the lower and

upper stoppers

530 and 520 are respectively coupled to the mounting member 510. Preferably, the lower stopper 530, the upper stopper 520, and the mounting member 510 are integrally provided.

In some embodiments, the fixing member 210, the linkage member 20 and the float 10 are disposed on the same axis, and the plurality of signal triggering members are disposed on the same straight line, which is parallel to the axis.

Specifically, as shown in fig. 2, a sliding groove 540 is disposed on the mounting member 510, a sliding member 550 slidably engaged with the sliding groove 540 is disposed in the sliding groove 540, and the signal triggering member or the signal sensing member 220 is fixedly connected to the sliding member 550.

In some embodiments, when the signal triggering part is disposed on the linkage part 20 and the signal sensing part 220 is disposed on the mounting part 510, the signal sensing part 220 is slidably connected with the mounting part 510.

In some embodiments, when the signal sensing member 220 is disposed on the linkage member 20 and the mounting member 510 is disposed with a plurality of signal triggering members, at least one of the signal triggering members is slidably connected to the mounting member 510.

In some embodiments, three signal triggering parts are sequentially disposed on the mounting part 510 from bottom to top, a first signal triggering part 230, a second signal triggering part 240 and a third signal triggering part 250 are sequentially disposed from bottom to top, a signal sensing part 220 is disposed on the linkage part 20, the first signal triggering part 230 can serve as a triggering signal for a lower liquid level limit in the relay cooling box, the second signal triggering part 240 can serve as a triggering signal for a cooling liquid in the relay cooling box to be introduced into the circulation box 70, and the third signal triggering part 250 can serve as a triggering signal for an upper liquid level limit in the relay cooling box, so as to facilitate automatic circulation control of the cooling liquid; preferably, a sliding groove 540 is formed in the mounting member 510, a sliding member 550 in sliding fit with the sliding groove 540 is arranged in the sliding groove 540, the first signal trigger 230 is fixedly connected with the sliding member 550, the second signal trigger 240 and the third signal trigger 250 are respectively and fixedly mounted on the mounting member 510, the first signal trigger 230, the second signal trigger 240 and the third signal trigger 250 are sequentially arranged from bottom to top, when the fixing member 210 located at the lowermost position abuts against the lower limiting member 530, the first signal trigger 230 is in a state of generating a trigger signal in cooperation with the signal sensing member 220, and when the fixing member 210 located at the uppermost position abuts against the upper limiting member 520, the third signal trigger 250 is in a state of generating a trigger signal in cooperation with the signal sensing member 220.

Specifically, the liquid level detection device further comprises an avoidance cavity 30 matched with the float 10, the avoidance cavity 30 is positioned below the lower limiting member 530, and the linkage member 20 is arranged through the avoidance cavity 30. By arranging the avoidance cavity 30 matched with the floater 10, when the device is applied to the relay cooling liquid tank, even if the volume of the cooling liquid in the relay cooling liquid tank is about to or reaches the upper limit, the floater 10 can float to the avoidance cavity 30 to finish the accurate detection of the liquid level in the relay cooling liquid tank.

It should be noted that the signal triggering and sensing element 220 may be an existing proximity switch, such as a passive proximity switch, an eddy current proximity switch, a capacitive proximity switch, a hall proximity switch, a photoelectric proximity switch, or the like; the fixing member 210 is connected or clamped with the linkage member by a bolt, preferably, the fixing member 210 is of an annular structure, and when the fixing member is installed, the fixing member 210 is sleeved on the linkage member 20 and is fixed with the linkage member 20 by the bolt.

The second embodiment:

the embodiment two of the utility model provides a liquid level control system, as shown in fig. 3, including container 60, pump machine 610 and the liquid level detection equipment in embodiment 1, container 60 includes inlet 620, float 10 sets up in container 60, the input and the container 60 bottom intercommunication of pump machine 610.

Specifically, the container 60 is a relay cooling liquid tank, the liquid level detection device includes three signal triggers sequentially arranged from bottom to top, a first signal trigger 230, a second signal trigger 240 and a third signal trigger 250 are sequentially arranged from bottom to top, a signal sensing element 220 is arranged on the linkage element 20, the first signal trigger 230 can be used as a trigger signal of a lower liquid level limit in the relay cooling tank, the second signal trigger 240 can be used as a trigger signal of a cooling liquid in the relay cooling tank introduced into the circulation tank 70, the third signal trigger 250 can be used as a trigger signal of an upper liquid level limit in the relay cooling tank, the first signal trigger 230 and the second signal trigger 240 are respectively linked with the pump 610, when the second signal trigger 240 generates a sensing signal, the circulation control condition is indicated, the pump 610 is started, the liquid in the container 60 is led out to enter the circulation tank 70, when the first signal trigger 230 generates a sensing signal, the lower liquid level limit in the container 60 is indicated, and the pump 610 stops working.

Specifically, the fluid level control system further includes a drain port 630, the drain port 630 being in communication with the container 60. When the system is cleaned and maintained, after the cleaning of the container 60 is completed, the waste cleaning liquid in the container 60 can be discharged through the liquid discharge port 630.

In some embodiments, the third signal triggering member 250 is linked to the liquid discharge port 630, and when the liquid level in the container 60 reaches the sensing signal for triggering the third signal triggering member 250, indicating that the upper limit of the liquid level is reached, the liquid discharge port 630 linked to the third signal triggering member 250 can be controlled to open, so as to discharge the excessive liquid through the liquid discharge port 630; in the cooling liquid circulation control process, the third signal trigger 250 and the liquid discharge port 630 can be used for linkage matching, so that excessive accumulation of the cooling liquid in the relay cooling liquid tank is avoided, and the use safety of the equipment is improved.

Example three:

the embodiment two of the utility model provides a processing equipment, as shown in fig. 4, including the liquid level detection equipment in embodiment 1, or the liquid level control system in embodiment 2.

Specifically, the processing equipment is including lathe 80, circulation case 70 and the circulating pump 710 that is equipped with cutter 810, and the input and the circulation case 70 intercommunication of circulating pump 710, the output of circulating pump 710 and the coolant liquid delivery outlet intercommunication of cutter 810, and the output and the circulation case 70 intercommunication of pump machine 610 are provided with the collecting tank on the lathe 80, the collecting tank is used for collecting the coolant liquid of cooling cutter 810, and the collecting tank passes through the liquid outlet and communicates with inlet 620 of container 60 (relay cooling liquid case), and relay cooling liquid case is located the below of liquid outlet, makes things convenient for the automatic relay cooling liquid case that flows into through the liquid outlet of collecting tank cooling liquid under the influence of gravity, improves the use convenience of processing equipment.

In the process of controlling the circulation of the cooling liquid, when the cutter 810 is in a working state, the circulation pump 710 works, the cooling liquid is introduced to the cutter 810, the cutter 810 in working is cooled, meanwhile, the liquid collecting tank collects the cooling liquid for cooling the cutter 810, the cooling liquid is discharged into the container 60 (relay cooling liquid tank) through the liquid outlet, the liquid level of the cooling liquid in the container 60 (relay cooling liquid tank) rises to trigger the second signal trigger 240, the pump 610 starts working, the container 60 (relay cooling liquid tank) is introduced into the circulation tank 70 for replenishment, when the pump 610 works, under normal conditions, the output amount of the cooling liquid in the container 60 (relay cooling liquid tank) is larger than the input amount, the liquid level in the container 60 (relay cooling liquid tank) is reduced, when the liquid level in the container 60 (relay cooling liquid tank) is reduced to trigger the first signal trigger 230, the pump 610 stops working, at this time, only the cooling liquid in the container 60 (relay cooling liquid tank) is input, the liquid level continues rising until the second signal trigger triggers the second signal trigger 240, and the pump 610 starts working cycle again.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and any modifications, equivalents, improvements, etc. made within the spirit and principles of the present invention should be included within the scope of the present invention.

Claims

1. A liquid level detecting apparatus, comprising:

the signal trigger piece is used for being matched with the signal induction piece to generate a trigger signal; one of the signal triggering part and the signal sensing part is arranged on the linkage part and positioned between the fixing parts.

2. The fluid level detection apparatus of claim 1, comprising a plurality of signal triggers arranged in a longitudinal sequence.

3. The liquid level sensing apparatus of claim 1, wherein a locking member is disposed above the upper limiting member, the locking member being detachably connected to the linkage member.

4. The apparatus of any of claims 1 to 3, further comprising a mounting member, wherein one of the signal-activating member and the signal-sensing member is disposed on the linkage member, and the other of the signal-activating member and the signal-sensing member is coupled to the mounting member.

5. The fluid level sensing apparatus of claim 4, wherein the lower and upper stops are each connected to a mounting member.

6. The liquid level detecting apparatus according to claim 4, wherein the mounting member has a sliding groove, a sliding member is disposed in the sliding groove and slidably engaged with the sliding groove, and the signal triggering member or the signal sensing member is fixedly connected to the sliding member.

7. The apparatus of any of claims 1 to 3, wherein one of the signal-triggering member and the signal-sensing member is slidably coupled to the linkage member.

8. The liquid level detection apparatus of any one of claims 1 to 3, further comprising an avoidance chamber mated with the float, the avoidance chamber being located below the lower stop, the linkage member being disposed through the avoidance chamber.

9. A liquid level control system is characterized by comprising a container, a pump and the liquid level detection device as claimed in any one of claims 1 to 8, wherein the container comprises a liquid inlet, the floater is arranged in the container, and the input end of the pump is communicated with the bottom of the container.

10. A processing apparatus comprising the liquid level detection apparatus of any one of claims 1 to 8 or the liquid level control system of claim 9.