CN214514446U - Quantitative dosing device - Google Patents
Quantitative dosing device Download PDFInfo
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- CN214514446U CN214514446U CN202120274425.7U CN202120274425U CN214514446U CN 214514446 U CN214514446 U CN 214514446U CN 202120274425 U CN202120274425 U CN 202120274425U CN 214514446 U CN214514446 U CN 214514446U
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- quantitative
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- quantitative box
- liquid level
- level meter
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Abstract
The utility model provides a quantitative charge device belongs to circuit board production facility technical field, include: add bucket, ration box, add pipe, level gauge, bush and elasticity knock pin. The adding pipe is respectively communicated with the adding barrel and the quantitative box; the liquid level meter is arranged inside the quantitative box along the vertical direction, and the top end of the liquid level meter penetrates through the quantitative box and extends to the outside of the quantitative box; the lining is sleeved on the liquid level meter, and the outer wall of the lining is provided with a slot; the elastic ejector pin is arranged on the quantitative box; the elastic ejector pin is matched with the slot in a clamping manner and used for limiting and fixing the liquid level meter on the quantitative box. The utility model provides a pair of quantitative charge device has installed the bush on the level gauge, through the cooperation of the slot joint on the elasticity knock pin on the ration box and the bush to the realization is to the installation of level gauge. The liquid level meter is fixedly installed on the quantitative box in a clamping mode, the structure is simple, the operation is convenient, the assembly efficiency is greatly improved, and meanwhile, the manufacturing cost is reduced.
Description
Technical Field
The utility model belongs to the technical field of circuit board production facility, more specifically say, relate to a quantitative charge device.
Background
In the process of manufacturing the printed circuit board, various liquid medicines are required to be added for reaction. Generally, a quantitative chemical feeder is required to improve the accuracy of the amount of chemical to be added. The quantitative dosing device generally comprises a dosing barrel, a dosing tube, a dosing box and a liquid level meter; the liquid medicine in the adding barrel enters the quantitative box through the adding pipe, and the liquid medicine amount added into the quantitative box is measured through the liquid level meter. But the mounting structure of current level gauge is complicated, has the inconvenient problem of dismouting.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a quantitative charge device aims at solving the mounting structure of level gauge complicacy among the current quantitative charge device, has the inconvenient problem of dismouting.
In order to achieve the above object, the utility model adopts the following technical scheme: there is provided a dosing device comprising:
adding a barrel;
a dosing cartridge;
the adding pipe is respectively communicated with the adding barrel and the quantitative box, and a transmission pump is mounted on the adding pipe and used for injecting the liquid medicine into the quantitative box from the adding barrel;
the liquid level meter is arranged inside the quantitative box along the vertical direction, and the top end of the liquid level meter penetrates through the quantitative box and extends to the outside of the quantitative box;
the bushing is sleeved on the liquid level meter, and a slot is formed in the outer wall of the bushing; and
the elastic ejector pin is arranged on the quantitative box; the elastic ejector pin is in clamping fit with the slot and used for limiting and fixing the liquid level meter on the quantitative box.
As another embodiment of the present application, the fluid level gauge is threadably connected to the bushing.
As another embodiment of the application, a sealing ring is arranged between the quantitative box and the liquid level meter.
As another embodiment of the application, the top of the quantitative box is provided with a fixed seat for installing the elastic ejector pin.
As another embodiment of this application, the locating pin is installed to the bottom of fixing base, the top surface correspondence of ration box be equipped with the locating hole of locating pin cooperation installation.
As another embodiment of the application, the quantitative box is provided with a rotary pressing block for pressing and fixing the fixed seat on the quantitative box.
As another embodiment of the application, the fixed seat is an annular member and is installed in cooperation with the bushing.
As another embodiment of the application, the number of the elastic knock pins is at least two, and the elastic knock pins are uniformly arranged along the circumferential direction of the fixed seat.
As another embodiment of the present application, the elastic knock pin includes a knock pin body and a compression spring; the ejector pin body is arranged along the radial direction of the fixed seat, and the compression spring is positioned on the outer side of the ejector pin body; and the fixed seat is provided with an accommodating cavity for accommodating the ejector pin body and the compression spring.
As another embodiment of this application, the bottom of ration box is equipped with the drain pipe, be equipped with the valve on the drain pipe.
The utility model provides a pair of quantitative charge device's beneficial effect lies in: compared with the prior art, the utility model relates to a quantitative charge device has installed the bush on the level gauge, through the cooperation of the elasticity knock pin on the ration box and the slot joint on the bush to the realization is to the installation of level gauge. The liquid level meter is fixedly installed on the quantitative box in a clamping mode, the structure is simple, the operation is convenient, the assembly efficiency is greatly improved, and meanwhile, the manufacturing cost is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural view of a quantitative dosing device provided in an embodiment of the present invention;
fig. 2 is a partial cross-sectional view of a quantitative medicine adding device provided by the embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view taken along line A-A of FIG. 2;
fig. 4 is a partially enlarged view of fig. 2 at B.
In the figure: 1. a dosing cartridge; 101. a seal ring; 102. a fixed seat; 103. positioning pins; 104. rotating the pressing block; 105. a limiting bulge; 106. a flexible member; 107. an accommodating chamber; 108. a limiting chute; 109. a liquid outlet pipe; 2. a liquid level meter; 3. a bushing; 301. a slot; 4. an elastic knock pin; 401. a knock pin body; 402. a compression spring; 5. adding a barrel; 6. a transfer pump; 7. an addition pipe; 8. a valve; 9. a tank body.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to fig. 3, a quantitative medicine adding device provided by the present invention will be described. A dosing device comprising: an addition bucket 5, a quantitative box 1, an addition pipe 7, a liquid level meter 2, a bushing 3 and an elastic knock pin 4. The adding pipe 7 is respectively communicated with the adding barrel 5 and the quantifying box 1, a transmission pump 6 is arranged on the adding pipe 7, and the transmission pump 6 is used for injecting the liquid medicine into the quantifying box 1 from the adding barrel 5; the liquid level meter 2 is arranged inside the quantitative box 1 along the vertical direction, and the top end of the liquid level meter 2 penetrates through the quantitative box 1 and extends to the outside of the quantitative box 1; the lining 3 is sleeved on the liquid level meter 2, and the outer wall of the lining 3 is provided with a slot 301; the elastic ejector pin 4 is arranged on the quantitative box 1; the elastic ejector pin 4 is matched with the slot 301 in a clamping manner and used for limiting and fixing the liquid level meter 2 on the quantitative box 1.
The utility model provides a pair of quantitative charge device compares with prior art, has installed bush 3 on level gauge 2, through the cooperation of the elastic knock pin 4 on the ration box 1 and the slot 301 joint on the bush 3 to realize the installation to level gauge 2. The liquid level meter 2 is fixedly installed on the quantitative box 1 in a clamping mode, the structure is simple, the operation is convenient, the assembly efficiency is greatly improved, and meanwhile, the manufacturing cost is reduced.
In this embodiment, the transfer pump 6 is a magnetic pump. The measuring cassette 1 is located above the side of the addition tub 5, i.e., there is a height difference between the inlet and the outlet of the addition tube 7, and the inlet height of the addition tube 7 is lower than the outlet height of the addition tube 7. The liquid level meter 2 and the addition pipe 7 can be moved up and down on the quantitative box 1. This ration charge device adopts the siphon principle, and its theory of operation is: according to the requirement of single liquid medicine adding amount, the outlet height L1 of the adding pipe 7 is well adjusted, and meanwhile, the height L2 of one end, extending into the quantitative box 1, of the liquid level meter 2 is adjusted, and L2 is larger than L1. After starting the magnetic drive pump, with liquid medicine injection to in the ration box 1 when the lower extreme of level gauge 2 (liquid level height is L2 this moment), the lower extreme of level gauge 2 is equipped with the inductor, the inductor is with signal transmission to PLC controller, send out the instruction by the PLC controller, control magnetic drive pump stop work, utilize siphon principle to inhale back to adding bucket 5 with the interior liquid medicine that is more than of ration box 1 (being the liquid between L1 to L2) this moment, the position of L1 is reached until the liquid level, thereby guarantee the accuracy of the interior liquid medicine injection volume of ration box 1.
As a specific embodiment of the quantitative dosing device provided by the present invention, please refer to fig. 2, the liquid level meter 2 is connected to the bushing 3 through a screw thread. In this embodiment, scales are provided on the outer wall of the liquid level meter 2. The height of the liquid level meter 2 can be adjusted by rotating the liquid level meter 2, so that the control of different amounts of liquid medicine is met.
As a specific embodiment of the quantitative dosing device provided by the present invention, please refer to fig. 2, a sealing ring 101 is disposed between the quantitative box 1 and the liquid level meter 2. In this embodiment, the top of the dosing cartridge 1 is provided with a through hole for mounting the level gauge 2, which is smaller than the contour dimension of the bushing 3. In order to improve the sealing performance of the quantitative reagent cartridge 1, a packing 101 is fitted into the through hole, and the packing 101 is made of rubber and has characteristics such as corrosion resistance and aging resistance.
Referring to fig. 1 to 3, a fixing seat 102 for installing an elastic pin 4 is disposed at the top of the quantitative box 1. In this embodiment, the fixing base 102 is detachably connected to the quantitative box 1, and the installation structure of the elastic knock pin 4 on the quantitative box 1 is not required, so that the difficulty in manufacturing the quantitative box 1 is reduced. An operator can directly install the fixing seat 102 provided with the elastic knock pin 4 on the quantitative box 1, so that the installation time is saved, and the assembly efficiency is improved.
As a specific embodiment of the quantitative dosing device provided by the present invention, please refer to fig. 3 and 4, the positioning pin 103 is installed at the bottom of the fixing base 102, and the top surface of the quantitative box 1 is correspondingly provided with a positioning hole installed in cooperation with the positioning pin 103. In this embodiment, the number of the positioning pins 103 is two, and the positioning pins are symmetrically arranged on the bottom surface of the fixing base 102. The positioning pin 103 has a positioning function on the fixing seat 102, and the accuracy of the position of the fixing seat 102 on the quantitative box 1 is ensured.
As a specific embodiment of the quantitative dosing device provided by the present invention, please refer to fig. 1 to 4, the quantitative box 1 is provided with a rotary pressing block 104 for pressing the fixing base 102 to the quantitative box 1. In this embodiment, the number of the rotating pressing blocks 104 is at least two, and the rotating pressing blocks are uniformly arranged along the periphery of the fixing base 102. The rotating pressing block 104 is located outside the fixed seat 102, and a limiting sliding groove 108 installed in cooperation with the rotating pressing block 104 is correspondingly arranged on the side wall of the fixed seat 102. The fixed seat 102 is slidably engaged with the top and bottom surfaces of the position-limiting sliding groove 108. By rotating the rotary pressing block 104, the rotary pressing block 104 is screwed into or out of the limit sliding groove 108, so that the fixed seat 102 is pressed and fixed on the quantitative box 1. In order to improve the stability of the rotating pressing block 104 in the limiting sliding groove 108, the rotating pressing block 104 is provided with a limiting protrusion 105, and the limiting sliding groove 108 is correspondingly provided with a groove in clamping fit with the limiting protrusion 105. The flexible piece 106 is arranged between the rotary pressing block 104 and the top surface of the quantitative box 1, and the distance between the rotary pressing block 104 and the top surface of the quantitative box 1 can be conveniently adjusted by arranging the flexible piece 106, so that the rotary pressing block 104 can smoothly enter the limiting sliding groove 108.
As a specific embodiment of the quantitative dosing device provided by the present invention, please refer to fig. 1 to 3, the fixing base 102 is a ring-shaped member, and is installed in cooperation with the bushing 3. In this embodiment, the inner contour of the fixing seat 102 matches with the outer contour of the bushing 3, so that the contact area between the bushing 3 and the fixing seat 102 is increased, the supporting strength of the fixing seat 102 on the bushing 3 is improved, and the stability of the liquid level meter 2 on the quantitative box 1 is ensured.
As a specific embodiment of the quantitative dosing device provided by the present invention, please refer to fig. 1 to 3, the number of the elastic pins 4 is at least two, and the elastic pins are uniformly arranged along the circumferential direction of the fixing base 102. In this embodiment, a plurality of elasticity knock pins 4 carry out spacing fixed to bush 3 simultaneously along fixing base 102's circumference, have promoted the joint strength between bush 3 and the ration box 1.
As a specific embodiment of the quantitative dosing device provided by the present invention, please refer to fig. 1 and 2, the elastic ejector pin 4 includes an ejector pin body 401 and a compression spring 402; the ejector pin body 401 is arranged along the radial direction of the fixed seat 102, and the compression spring 402 is positioned on the outer side of the ejector pin body 401; the fixing seat 102 is provided with an accommodating cavity 107 for accommodating the knock pin body 401 and the compression spring 402. In this embodiment, install knock pin body 401 and compression spring 402 in holding chamber 107, not only played the guard action to knock pin body 401 and compression spring 402, still promoted this quantitative medicine device's pleasing to the eye degree. A through groove in sliding fit with the ejector pin body 401 is formed in the side wall, close to the bush 3, of the accommodating cavity 107, and the end of the ejector pin body 401 penetrates through the through groove and is in inserted fit with the slot 301 in the bush 3; one end of the accommodating cavity 107 far away from the bushing 3 is an opening, a plug is arranged at the opening, and two ends of the compression spring 402 are respectively abutted against the plug and the ejector pin body 401. In the process of installing liquid level meter 2, knock pin body 401 removes the inside to fixing base 102 under the drive effect of bush 3, and compression spring 402 is in compression state this moment, and after liquid level meter 2 installed to target in place, knock pin body 401 just right slot 301, and knock pin body 401 removes to the slot 301 in under compression spring 402's elastic force effect to the realization is spacing to the joint of bush 3.
As a specific embodiment of the quantitative dosing device provided by the present invention, please refer to fig. 1, a liquid outlet pipe 109 is disposed at the bottom end of the quantitative box 1, and a valve 8 is disposed on the liquid outlet pipe 109. In this embodiment, a tank 9 is provided below the quantifying box 1, and when the liquid medicine to be injected into the quantifying box 1 reaches a set value, the valve 8 is opened to add the liquid medicine into the tank 9. The valve 8 adopts a pneumatic diaphragm valve, and automatic control is conveniently realized.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A dosing device, comprising:
adding a barrel;
a dosing cartridge;
the adding pipe is respectively communicated with the adding barrel and the quantitative box, and a transmission pump is mounted on the adding pipe and used for injecting the liquid medicine into the quantitative box from the adding barrel;
the liquid level meter is arranged inside the quantitative box along the vertical direction, and the top end of the liquid level meter penetrates through the quantitative box and extends to the outside of the quantitative box;
the bushing is sleeved on the liquid level meter, and a slot is formed in the outer wall of the bushing; and
the elastic ejector pin is arranged on the quantitative box; the elastic ejector pin is in clamping fit with the slot and used for limiting and fixing the liquid level meter on the quantitative box.
2. The dosing device of claim 1, wherein the level gauge is threadably connected to the bushing.
3. The quantitative dosing device of claim 1, wherein a sealing ring is provided between the dosing box and the level gauge.
4. The quantitative medicine adding device as claimed in claim 1, wherein the top of the quantitative box is provided with a fixing seat for mounting the elastic ejector pin.
5. The quantitative medicine adding device as claimed in claim 4, wherein a positioning pin is installed at the bottom of the fixing base, and a positioning hole matched with the positioning pin is correspondingly formed on the top surface of the quantitative box.
6. A quantitative medicine adding device as claimed in claim 5, wherein the quantitative box is provided with a rotary press block for pressing and fixing the fixing base on the quantitative box.
7. A dosing device as claimed in claim 4, wherein the holder is an annular member which is mounted to co-operate with the hub.
8. The quantitative medicine adding device as claimed in claim 7, wherein the number of the elastic pins is at least two, and the elastic pins are uniformly arranged along the circumferential direction of the fixed seat.
9. The dosing device of claim 8, wherein the resilient pin comprises a pin body and a compression spring; the ejector pin body is arranged along the radial direction of the fixed seat, and the compression spring is positioned on the outer side of the ejector pin body; and the fixed seat is provided with an accommodating cavity for accommodating the ejector pin body and the compression spring.
10. A quantitative dosing device as claimed in claim 1, wherein a liquid outlet pipe is provided at the bottom end of the dosing box, and a valve is provided on the liquid outlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120274425.7U CN214514446U (en) | 2021-01-29 | 2021-01-29 | Quantitative dosing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120274425.7U CN214514446U (en) | 2021-01-29 | 2021-01-29 | Quantitative dosing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214514446U true CN214514446U (en) | 2021-10-29 |
Family
ID=78313059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120274425.7U Active CN214514446U (en) | 2021-01-29 | 2021-01-29 | Quantitative dosing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214514446U (en) |
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2021
- 2021-01-29 CN CN202120274425.7U patent/CN214514446U/en active Active
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