CN208593169U

CN208593169U - A kind of battery processing detection ink jet numbering machine of Automatic-feeding

Info

Publication number: CN208593169U
Application number: CN201820978131.0U
Authority: CN
Inventors: 邓君; 徐进; 甄超; 孙德凤
Original assignee: Dongguan University of Technology
Current assignee: Dongguan University of Technology
Priority date: 2018-06-25
Filing date: 2018-06-25
Publication date: 2019-03-12
Anticipated expiration: 2028-06-25

Abstract

The utility model relates to a kind of batteries of Automatic-feeding to process detection ink jet numbering machine, including main body, second inkjet mouth, roller and display screen, the first inkjet mouth is provided on the inside of the main body, and the inside of main body is fixed with sliding slot, second inkjet mouth is placed in the inside of main body, and scraping blade is connected in the middle part of the outer wall of main body, the left side bottom end of the main body is equipped with connecting block, and the left end of connecting block is connected with support rod, the roller is set to the top of support rod, the beneficial effects of the utility model are: the utility model passes through to main body, first inkjet mouth, second inkjet mouth, first support frame, the setting of sliding block and sliding slot, and first inkjet mouth coincide with the central axes of the second inkjet mouth and the central axes of main body, pass through the first inkjet mouth, the effect of the position distribution of second inkjet mouth and main body, it enables a device to accurately exist Processing coding work is carried out to the battery on the first support frame to coding area, avoids generating offset, smudgy phenomenon occurs, upset production batch.

Description

A kind of battery processing detection ink jet numbering machine of Automatic-feeding

Technical field

The present invention relates to batteries to process code spraying technology field, and the battery of specially a kind of Automatic-feeding processes detection coding Machine.

Background technique

With the rapid development of electric vehicle and automobile, electrical source of power also rapidly develops on vehicle therewith, but battery exists But there is a problem of many in production, the battery product quality for causing market is very uneven, the capacity later cycles longevity of battery The service life of design is not achieved in life, this has its unique production technology to have very big relationship in production in battery, and to electricity Pond need to carry out coding work to it by ink jet numbering machine, processing is identified to it in process of manufacture.

Existing ink jet numbering machine is in use, it is difficult to carry out Automatic-feeding work, cause device to the coding work of battery Make efficiency decline, and not easily pass through multiple independent code-spraying mechanisms and processing work is carried out to battery, so that the workability of device It can be low.

Summary of the invention

The purpose of the present invention is to provide a kind of batteries of Automatic-feeding to process detection ink jet numbering machine, to solve above-mentioned background The existing ink jet numbering machine proposed in technology is in use, it is difficult to carry out Automatic-feeding work, cause spray of the device to battery Code work efficiency drop, and not easily pass through multiple independent code-spraying mechanisms and processing work is carried out to battery, so that the work of device The problem of making degraded performance.

To achieve the above object, the invention provides the following technical scheme: a kind of battery processing detection spray of Automatic-feeding Ink recorder, including main body, the second inkjet mouth, roller and display screen, are provided with the first inkjet mouth on the inside of the main body, and main body Inside is fixed with sliding slot, and second inkjet mouth is placed in the inside of main body, and is connected with scraping blade in the middle part of the outer wall of main body, described The left side bottom end of main body is equipped with connecting block, and the left end of connecting block is connected with support rod, and the roller is set to support rod Top, and the outer wall activity of roller is mounted with conveyer belt, and support plate, and the top peace of support plate are connected on the outside of the main body Equipped with elevating lever, the top of the elevating lever is mounted with the first support frame, is provided with door-hinge on the outside of the main body, and door-hinge Outer wall activity is mounted with dodge gate, and the display screen is fixed on the inside of dodge gate, and the positioned inside of dodge gate has bar shaped logical The outer wall in air port, first support frame is connected with sliding block.

Preferably, first inkjet mouth matches with the shape of the second inkjet mouth, and the first inkjet mouth and the second ink-jet The central axes of mouth and the central axes of main body coincide, and the first telescopic rod, and the first spray are equipped on the right side of first inkjet mouth For the outer wall of black mouth through the first secondary duct is connected with, the bottom end of first secondary duct is equipped with connector, and the right side of connector Side is connected with main pipeline, and the main pipeline is equipped with liquid outlet far from one end of connector, and the inside of liquid outlet is through there is valve Door rod, is equipped with the second telescopic rod on the right side of second inkjet mouth, and the outer wall of the second inkjet mouth is through being connected with the second pair Pipeline.

Preferably, the top extended line of the conveyer belt and the top extended line of scraping blade are at the same level, and outside scraping blade and main body The connection type of wall is welding, and the inside of the main body is equipped with the second support frame, and is provided with case on the inside of the second support frame Body, the positioned inside of the cabinet have water pump, and the inner wall of the main body is equipped with draft fan.

Preferably, first support frame constitutes slide construction by sliding block, sliding slot and main body, and sliding slot is about main body Central axes are symmetrical.

Preferably, first secondary duct is equal with the inboard width of the second secondary duct, and the first secondary duct bottom end connects Connector and main pipeline between to be threadedly coupled, multistage rotation axis, and multistage rotation axis are installed on the inside of the connector Outer wall be connected with the first movable plate, demarcation plate is installed, and the outer wall of multistage rotation axis connects on the outside of the multistage rotation axis It is connected to the second movable plate.

Preferably, the perpendicular shape connection in the bottom end of the liquid outlet and cabinet, and be activity between liquid outlet and valve lever Connection, the positioned inside of the valve lever have reserved channel.

Preferably, first movable plate passes through multistage rotation axis and connector constitutes rotational structure, and the first movable plate Thickness it is equal with the thickness of the second movable plate.

Preferably, the outer wall of the right side of the demarcation plate and multistage rotation axis fits, and the transverse axis of demarcation plate with The transverse axis of multistage rotation axis is at the same level.

Preferably, diameter of a circle where the section in the reserved channel is greater than the cross-sectional width of valve lever, and reserved channel Section where circle the center of circle be located on the central axes of liquid outlet.

Compared with prior art, the beneficial effects of the present invention are:

1, the present invention is by the setting to main body, the first inkjet mouth, the second inkjet mouth, the first support frame, sliding block and sliding slot, And first inkjet mouth coincide with the central axes of the second inkjet mouth and the central axes of main body, pass through the first inkjet mouth, the second ink-jet Mouth and the position distribution of main body act on, and enable a device to accurately adding the battery on the first support frame to coding area Work coding work avoids generating offset, smudgy phenomenon occurs, upsets production batch, meanwhile, the first support frame passes through Sliding block, sliding slot and main body constitute slide construction, are acted on by sliding of the sliding block on the inside of sliding slot, enable the first support frame into Row moves back and forth work up and down, it is ensured that multiple code-spraying mechanisms on the inside of device carry out coding work, effective lifting device to battery Flexibility and working efficiency.

2, the present invention is by the setting to conveyer belt, scraping blade, roller and main body, the top extended line of conveyer belt and scraping blade Top extended line is at the same level, and after device starting, roller rotation is transported, automatically so that conveyer belt drives battery mobile Charge motion by the effect of scraping blade, can scrape the battery on conveyer belt when battery is moved at the first support frame Except operation, so that battery smoothly slides into the top of the first support frame, it is ensured that battery can go on smoothly late detection, coding Work.

3, the present invention is by the setting to the first secondary duct, the second secondary duct, connector and main pipeline, and the first secondary duct To be threadedly coupled between the connector and main pipeline of bottom end connection, by the effect respectively of the first secondary duct and the second secondary duct, It enables a device to carry out the battery of different height coding work, the functionality of lifting device, when main pipeline damages, When needing more to change jobs to it, the effect being connected through a screw thread, so that staff more quickly finishes replacement operation, And by main pipeline and the inboard width of the first secondary duct, the second secondary duct it is different, enable main pipeline be continuously its into There is the unclear phenomenon of coding in row ink supply work, avoiding device.

4, the setting of the invention by liquid outlet, cabinet, valve lever, reserved channel and water pump, liquid outlet and cabinet The perpendicular shape connection in bottom end, by the connection function of liquid outlet and cabinet, so that connectivity enhancing between the two, and going out Under the active action of liquid mouth and valve lever, enables liquid outlet to carry out control work to the amount out of ink of box inside, avoid producing Raw wasting phenomenon, meanwhile, diameter of a circle is greater than the cross-sectional width of valve lever where reserving the section in channel, after device starting, So that valve lever rotates, it is ensured that the intersectional region of reserved channel and liquid outlet slowly increases, can be to the amount out of ink of box inside Work is adjusted, the speed for preventing cabinet out of ink is unalterable, and main pipeline is caused obscission occur, and prepared Chinese ink pollutes in main body Portion influences the normal use of device.

5, the present invention is by the setting to the first movable plate, the second movable plate, multistage rotation axis and demarcation plate, and first is living Movable plate passes through multistage rotation axis and connector constitutes rotational structure, when device carries out coding work to battery by the first inkjet mouth When, by the effect of multistage rotation axis, so that the first movable plate rotates, it is ensured that main pipeline is in by connector and the first secondary duct Connected state can carry out ink supply operation to the first secondary duct, it is ensured that processing work of the device to battery under the action of main pipeline Make excellent effect, and the right side of demarcation plate and the outer wall of multistage rotation axis fit, it, can be to first by the effect of demarcation plate Secondary duct and the second secondary duct are separated operation, when the two being avoided to be worked, occur interfering with each other phenomenon, reduce device Working efficiency.

Detailed description of the invention

Fig. 1 is the structural schematic diagram that a kind of battery of Automatic-feeding of the present invention processes detection ink jet numbering machine.

Fig. 2 is the body side structural schematic diagram that a kind of battery of Automatic-feeding of the present invention processes detection ink jet numbering machine.

Fig. 3 is the body interior structural schematic diagram that a kind of battery of Automatic-feeding of the present invention processes detection ink jet numbering machine.

Fig. 4 is the connector schematic diagram of internal structure that a kind of battery of Automatic-feeding of the present invention processes detection ink jet numbering machine.

Fig. 5 is the valve lever structural schematic diagram that a kind of battery of Automatic-feeding of the present invention processes detection ink jet numbering machine.

In figure: 1, main body, the 2, first inkjet mouth, 3, sliding slot, the 4, second inkjet mouth, 5, scraping blade, 6, conveyer belt, 7, roller, 8, support rod, 9, connecting block, 10, support plate, 11, elevating lever, the 12, first support frame, 13, dodge gate, 14, display screen, 15, door Axis, 16, sliding block, 17, bar shaped ventilation opening, the 18, second support frame, the 19, first telescopic rod, the 20, first secondary duct, 21, connector, 22, the second secondary duct, the 23, second telescopic rod, 24, main pipeline, 25, draft fan, 26, liquid outlet, 27, valve lever, 28, water pump, 29, cabinet, the 30, first movable plate, 31, multistage rotation axis, 32, demarcation plate, the 33, second movable plate, 34, reserved channel.

Specific embodiment

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments, is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.

Fig. 1-5 is please referred to, the present invention provides a kind of technical solution: a kind of battery processing detection coding of Automatic-feeding Machine, including main body 1, the first inkjet mouth 2, sliding slot 3, the second inkjet mouth 4, scraping blade 5, conveyer belt 6, roller 7, support rod 8, connecting block 9, support plate 10, elevating lever 11, the first support frame 12, dodge gate 13, display screen 14, door-hinge 15, sliding block 16, bar shaped ventilation opening 17, the second support frame 18, the first telescopic rod 19, the first secondary duct 20, connector 21, the second secondary duct 22, the second telescopic rod 23, Main pipeline 24, draft fan 25, liquid outlet 26, valve lever 27, water pump 28, cabinet 29, the first movable plate 30, multistage rotation axis 31, Demarcation plate 32, the second movable plate 33 and reserved channel 34, the inside of main body 1 are provided with the first inkjet mouth 2, and the inside of main body 1 It is fixed with sliding slot 3, the first inkjet mouth 2 matches with the shape of the second inkjet mouth 4, and the first inkjet mouth 2 and the second inkjet mouth 4 Central axes and the central axes of main body 1 coincide, and are acted on by the first inkjet mouth 2, the second inkjet mouth 4 and the position distribution of main body 1, It enables a device to accurately carrying out processing coding work to the battery on the first support frame 12 to coding area, avoids generating inclined It moves, smudgy phenomenon occurs, upset production batch；

The right side of first inkjet mouth 2 is equipped with the first telescopic rod 19, and the outer wall of the first inkjet mouth 2 is through being connected with first Secondary duct 20, the first secondary duct 20 is equal with the inboard width of the second secondary duct 22, and the company of 20 bottom end of the first secondary duct connection To be threadedly coupled between connector 21 and main pipeline 24, by the effect respectively of the first secondary duct 20 and the second secondary duct 22, so that Device can carry out coding work to the battery of different height, and the functionality of lifting device is needed when main pipeline 24 damages When more being changed jobs to it, the effect being connected through a screw thread, so that staff more quickly finishes replacement operation, and And it is different by main pipeline 24 and the inboard width of the first secondary duct 20, the second secondary duct 22, main pipeline 24 is continued Ink supply work is carried out for it, there is the unclear phenomenon of coding in avoiding device, and the inside of connector 21 is equipped with multistage rotation axis 31, and The outer wall of multistage rotation axis 31 is connected with the first movable plate 30, and the first movable plate 30 passes through multistage rotation axis 31 and 21 structure of connector At rotational structure, and the thickness of the first movable plate 30 is equal with the thickness of the second movable plate 33, when device passes through the first inkjet mouth 2 When carrying out coding work to battery, by the effect of multistage rotation axis 31, so that the first movable plate 30 rotates, it is ensured that main pipeline 24 Be in connected state by connector 21 and the first secondary duct 20, under the action of main pipeline 24, can to the first secondary duct 20 into Row ink supply operation, it is ensured that device is equipped with demarcation plate 32 to the processing work excellent effect of battery, the outside of multistage rotation axis 31, And the outer wall of multistage rotation axis 31 is connected with the second movable plate 33, the right side of demarcation plate 32 and the outer wall of multistage rotation axis 31 are affixed It closes, and the transverse axis of demarcation plate 32 and the transverse axis of multistage rotation axis 31 are at the same level, it, can by the effect of demarcation plate 32 Operation is separated to the first secondary duct 20 and the second secondary duct 22, when the two being avoided to be worked, occurs interfering with each other phenomenon, Reduce the working efficiency of device；

The bottom end of first secondary duct 20 is equipped with connector 21, and the right side of connector 21 is connected with main pipeline 24, supervisor Road 24 is equipped with liquid outlet 26 far from one end of connector 21, and the inside of liquid outlet 26 is through having valve lever 27, liquid outlet 26 Connect with the perpendicular shape in the bottom end of cabinet 29, and to be flexibly connected between liquid outlet 26 and valve lever 27, by liquid outlet 26 and The connection function of cabinet 29, so that connectivity enhancing between the two, and in the active action of liquid outlet 26 and valve lever 27 Under, enable liquid outlet 26 to carry out control work to the amount out of ink of 29 inside of cabinet, avoids generating wasting phenomenon, valve lever 27 Positioned inside have reserved channel 34, reserve channel 34 section where diameter of a circle be greater than valve lever 27 cross-sectional width, and The center of circle of circle is located on the central axes of liquid outlet 26 where the section in reserved channel 34, after device starting, so that valve lever 27 Rotation, it is ensured that reserved channel 34 and the intersectional region of liquid outlet 26 slowly increase, and can carry out to the amount out of ink of 29 inside of cabinet Work is adjusted, the speed for preventing cabinet 29 out of ink is unalterable, and main pipeline 24 is caused obscission occur, and prepared Chinese ink pollutes main body 1 Inside influences the normal use of device, and the right side of the second inkjet mouth 4 is equipped with the second telescopic rod 23, and the second inkjet mouth 4 is outer For wall through the second secondary duct 22 is connected with, the second inkjet mouth 4 is placed in the inside of main body 1, and is connected in the middle part of the outer wall of main body 1 Scraping blade 5, the left side bottom end of main body 1 is equipped with connecting block 9, and the left end of connecting block 9 is connected with support rod 8, and roller 7 is set to branch The top of strut 8, and the outer wall activity of roller 7 is mounted with conveyer belt 6, the top extended line of conveyer belt 6 and the top of scraping blade 5 are prolonged Long line is at the same level, and the connection type of scraping blade 5 and 1 outer wall of main body is welding, and after device starting, roller 7 is rotated, so that passing It send band 6 to drive battery mobile, is transported, Automatic-feeding work, when battery is moved at the first support frame 12, pass through scraping blade 5 Effect, can to the battery on conveyer belt 6, carry out stripping operation so that battery smoothly slides into the first support frame 12 Top, it is ensured that battery can go on smoothly late detection, coding work；

The inside of main body 1 is equipped with the second support frame 18, and the inside of the second support frame 18 is provided with cabinet 29, cabinet 29 Positioned inside have a water pump 28, the inner wall of main body 1 is equipped with draft fan 25, and the outside of main body 1 is connected with support plate 10, and supports The top of plate 10 is equipped with elevating lever 11, and the top of elevating lever 11 is mounted with the first support frame 12, and the first support frame 12 passes through cunning Block 16, sliding slot 3 and main body 1 constitute slide construction, and sliding slot 3 is symmetrical about the central axes of main body 1, by sliding block 16 in sliding slot 3 The sliding of inside acts on, so that the first support frame 12 is able to carry out moves back and forth work up and down, it is ensured that multiple sprays on the inside of device Ink recorder structure carries out coding work to battery, and the flexibility of effective lifting device and working efficiency, the outside of main body 1 are provided with door-hinge 15, and the outer wall activity of door-hinge 15 is mounted with dodge gate 13, display screen 14 is fixed on the inside of dodge gate 13, and dodge gate 13 Positioned inside has bar shaped ventilation opening 17, and the outer wall of the first support frame 12 is connected with sliding block 16.

The working principle of the present embodiment: the battery of the Automatic-feeding processes detection ink jet numbering machine, passes through starter first, Roller 7 rotates, so that conveyer belt 6 drives battery mobile, is transported, Automatic-feeding work, when battery is moved to the first support At frame 12, by the effect of scraping blade 5, stripping operation can be carried out, so that battery is smoothly slided to the battery on conveyer belt 6 Then start elevating lever 11, by the effect of increasing of elevating lever 11, to the first support frame 12 to the top of the first support frame 12 It carries out propping up operation, meanwhile, sliding effect of first support frame 12 by sliding block 16 in 3 inside of sliding slot allows for Get off back mobile working, then, is rotated by valve lever 27, it is ensured that reserved channel 34 and the intersectional region of liquid outlet 26 slowly increase Greatly, work can be adjusted to the amount out of ink of 29 inside of cabinet, the speed for preventing cabinet 29 out of ink is unalterable, causes to be responsible for There is obscission in road 24, and prepared Chinese ink pollutes inside main body 1, influences the normal use of device, and pass through 26 bottom end of liquid outlet Main pipeline 24 and the inboard width of the first secondary duct 20, the second secondary duct 22 are different, enable main pipeline 24 be continuously its into Row ink supply work, and when device carries out coding work to battery by the first inkjet mouth 2, pass through the work of multistage rotation axis 31 With so that the first movable plate 30 rotates, it is ensured that main pipeline 24 is in connected state by connector 21 and the first secondary duct 20, is promoted Speed out of ink, and pipeline of the first secondary duct 20 as soft materials, extend it by the first telescopic rod 19 When operation, so that coding excellent effect of first inkjet mouth 2 to battery similarly carries out coding to battery by the second inkjet mouth 4 Work, it is ensured that multiple code-spraying mechanisms on the inside of device carry out coding work, the flexibility and work of effective lifting device to battery Efficiency.

Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc. With replacement, all within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in this Within the protection scope of invention.

Claims

1. the battery of Automatic-feeding a kind of processes detection ink jet numbering machine, including main body (1), the second inkjet mouth (4), roller (7) and Display screen (14), it is characterised in that: be provided with the first inkjet mouth (2) on the inside of the main body (1), and the inside of main body (1) is solid Surely have sliding slot (3), second inkjet mouth (4) is placed in the inside of main body (1), and is connected with and scrapes in the middle part of the outer wall of main body (1) The left side bottom end of piece (5), the main body (1) is equipped with connecting block (9), and the left end of connecting block (9) is connected with support rod (8), The roller (7) is set to the top of support rod (8), and the outer wall activity of roller (7) is mounted with conveyer belt (6), the main body (1) it is connected on the outside of support plate (10), and elevating lever (11) is installed at the top of support plate (10), the elevating lever (11) Top is mounted with the first support frame (12), is provided with door-hinge (15) on the outside of the main body (1), and the outer wall activity of door-hinge (15) It is mounted with dodge gate (13), the display screen (14) is fixed on the inside of dodge gate (13), and the positioned inside of dodge gate (13) Have bar shaped ventilation opening (17), the outer wall of first support frame (12) is connected with sliding block (16).

2. the battery of Automatic-feeding according to claim 1 a kind of processes detection ink jet numbering machine, it is characterised in that: described the One inkjet mouth (2) matches with the shape of the second inkjet mouth (4), and the central axes of the first inkjet mouth (2) and the second inkjet mouth (4) It coincides with the central axes of main body (1), is equipped with the first telescopic rod (19) on the right side of first inkjet mouth (2), and the first spray For the outer wall of black mouth (2) through being connected with the first secondary duct (20), the bottom end of first secondary duct (20) is equipped with connector (21), it and on the right side of connector (21) is connected with main pipeline (24), the main pipeline (24) is pacified far from the one end of connector (21) Equipped with liquid outlet (26), and the inside of liquid outlet (26), through having valve lever (27), the right side of second inkjet mouth (4) is installed Have the second telescopic rod (23), and the outer wall of the second inkjet mouth (4) is through being connected with the second secondary duct (22).

3. a kind of battery of Automatic-feeding according to claim 1 processes detection ink jet numbering machine, it is characterised in that: the biography The top extended line and the top extended line of scraping blade (5) for sending band (6) are at the same level, and the connection side of scraping blade (5) and main body (1) outer wall Formula is welding, and the inside of the main body (1) is equipped with the second support frame (18), and is provided with case on the inside of the second support frame (18) The positioned inside of body (29), the cabinet (29) has water pump (28), and the inner wall of the main body (1) is equipped with draft fan (25).

4. the battery of Automatic-feeding according to claim 1 a kind of processes detection ink jet numbering machine, it is characterised in that: described the One support frame (12) constitutes slide construction by sliding block (16), sliding slot (3) and main body (1), and sliding slot (3) is about main body (1) Central axes are symmetrical.

5. the battery of Automatic-feeding according to claim 2 a kind of processes detection ink jet numbering machine, it is characterised in that: described the One secondary duct (20) is equal with the inboard width of the second secondary duct (22), and the connector of the first secondary duct (20) bottom end connection (21) multistage rotation axis (31) are installed on the inside of the connector (21), and more between main pipeline (24) to be threadedly coupled The outer wall of grade rotation axis (31) is connected with the first movable plate (30), is equipped with demarcation plate on the outside of the multistage rotation axis (31) (32), and the outer wall of multistage rotation axis (31) is connected with the second movable plate (33).

6. the battery of Automatic-feeding according to claim 2 a kind of processes detection ink jet numbering machine, it is characterised in that: it is described go out Liquid mouth (26) is connect with the perpendicular shape in bottom end of cabinet (29), and to be flexibly connected between liquid outlet (26) and valve lever (27), The positioned inside of the valve lever (27) has reserved channel (34).

7. the battery of Automatic-feeding according to claim 5 a kind of processes detection ink jet numbering machine, it is characterised in that: described the One movable plate (30) passes through multistage rotation axis (31) and connector (21) constitute rotational structure, and the thickness of the first movable plate (30) It is equal with the thickness of the second movable plate (33).

8. a kind of battery of Automatic-feeding according to claim 1 processes detection ink jet numbering machine, it is characterised in that: described point The right side of partition (32) and the outer wall of multistage rotation axis (31) fit, and the transverse axis of demarcation plate (32) and multistage rotation axis (31) transverse axis is at the same level.

9. a kind of battery of Automatic-feeding according to claim 6 processes detection ink jet numbering machine, it is characterised in that: described pre- Diameter of a circle where staying the section in channel (34) is greater than the cross-sectional width of valve lever (27), and where the section of reserved channel (34) The round center of circle is located on the central axes of liquid outlet (26).