CN214040217U

CN214040217U - Liquid material metering device

Info

Publication number: CN214040217U
Application number: CN202022892804.0U
Authority: CN
Inventors: 杨天波; 毛祖波; 朱勇
Original assignee: Zhejiang Zhongsuo Measurement Technology Co ltd
Current assignee: Zhejiang Zhongsuo Measurement Technology Co ltd
Priority date: 2020-12-03
Filing date: 2020-12-03
Publication date: 2021-08-24
Anticipated expiration: 2030-12-03

Abstract

The utility model relates to the technical field of material metering equipment, a liquid material metering device, including the base, fixed mounting has storage tank, guide jar and guide pump on the base, and fixed mounting has a metering cylinder for measuring the liquid material in the guide jar, and the top of metering cylinder runs through the top of guide jar, and the metering cylinder embeds there is the kicking block, and fixed mounting has the metering rod on the kicking block, and the metering rod slides and runs through the top of metering cylinder, and marks on the metering rod and measures the scale; the inlet end of the material guide pump is connected with a material inlet pipe, the outlet end of the material guide pump is connected with a material outlet pipe, and the material outlet pipe penetrates into the material guide tank and is connected with the metering cylinder. The liquid materials are metered in the metering cylinder which is relatively closed, so that the damage to operators caused by volatilization of the liquid materials can be effectively avoided; the measuring rod moves upwards along with the floating block under the action of buoyancy, the volume of the liquid material can be reflected by observing the scales of the measuring rod exposed outside the measuring cylinder, and the measuring accuracy is improved.

Description

Liquid material metering device

Technical Field

The utility model relates to a material metering equipment technical field especially relates to a liquid material metering device.

Background

The measurement refers to the activities of realizing unity of units and quantity value transmission, is the same as other measurements, is a method and means for people to connect reality theoretically, recognize nature and reform nature, and is an important technical basis essential in scientific and technological, economic and social development.

In the chemical field, in order to fully and completely react chemical raw material components in a reaction kettle, the configuration of each component needs to be accurately calculated, a metering device is adopted to carry out weighing calculation before the components are added into the reaction kettle, and the components are guided into the reaction kettle from the metering device after the components are accurately metered.

In the existing metering device, due to the multi-position open structure, when an operator meters the volatile high-corrosivity and high-toxicity liquid materials, the operator can suck the volatile liquid materials, so that the operator is seriously injured; in addition, in the process of using the existing metering device, an operator hardly sees the position of the internal liquid from the outside, so that a large metering error is easy to occur in the metering process.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a liquid material metering device to improve the security of measurement in-process and the accuracy of measurement.

In order to achieve the above purpose, the basic scheme of the utility model is as follows: a liquid material metering device comprises a base, wherein a material storage tank, a material guide tank and a material guide mechanism are fixedly arranged on the base, a feed port is formed in the top of the material storage tank, and a sealing cover is detachably arranged at the feed port; the material guide tank is of a closed structure, a first liquid outlet pipe is mounted on the material guide tank, an adjusting valve is mounted on the first liquid outlet pipe, a metering cylinder for metering liquid materials is fixedly mounted in the material guide tank, the top of the metering cylinder penetrates through the top of the material guide tank, a floating block is arranged in the metering cylinder, a metering rod is fixedly mounted on the floating block, the metering rod penetrates through the top of the metering cylinder in a sliding mode, and metering scales are marked on the metering rod; guide mechanism is including installing in the guide pump at storage tank top, the inlet end of guide pump is connected with the inlet pipe, and the inlet pipe stretches into in the storage tank, the outlet end of guide pump has the discharging pipe, the discharging pipe runs through and stretches into in the guide tank and be connected with a metering cylinder.

Further, the storage tank bottom installs the rabbling mechanism that is used for stirring liquid material, the rabbling mechanism includes the driving motor of fixed mounting in the storage tank bottom, driving motor's output shaft coaxial coupling has the pivot, the pivot stretches into in the storage tank and is connected with a plurality of puddlers, and each puddler distributes around the pivot equidistance.

Furthermore, the inner wall of the metering cylinder is symmetrically provided with guide sliding chutes, sliding parts are formed on the floating blocks, and the sliding parts are arranged in the guide sliding chutes in a built-in manner and are in sliding fit with the guide sliding chutes.

Furthermore, an opening for the metering rod to pass through is formed in the top of the metering cylinder, a hollowed annular ring is fixedly mounted on the inner edge of the opening, and adsorption particles for adsorbing volatile liquid materials are filled in the annular ring.

Furthermore, the inner walls of the material storage tank, the material guide tank and the metering cylinder are coated with anti-adhesion polytetrafluoroethylene coatings.

Further, a second liquid outlet pipe is installed at a position, close to the bottom, of the outer wall of the metering cylinder, an electromagnetic valve is installed on the second liquid outlet pipe, a controller used for controlling the electromagnetic valve is installed on the outer wall of the material guide tank, a pressure sensor electrically connected with the controller is installed on the top wall of the metering cylinder, and when the liquid material pushes the floating block to abut against the pressure sensor, the controller controls the electromagnetic valve to be opened so that the liquid material flows into the material guide tank.

Further, install the display screen on the controller, dispose the count module in the controller, when the kicking block contradicts pressure sensor, the count module count and with the numerical value display of count on the display screen.

Compared with the prior art, the scheme has the beneficial effects that:

1. the storage tank and the material guide tank are both of a closed structure, so that the volatilization of liquid materials can be effectively avoided; the opening at metering cylinder top is equipped with the adsorption particle who is used for adsorbing volatile liquid material to can effectually avoid the injury that volatile of liquid material brought operating personnel.

2. The liquid material that will treat the measurement is leading-in to the metering cylinder through the guide pump, along with gushing into liquid material in the metering cylinder constantly, the floating block in the metering cylinder slides to the direction at the top place of metering cylinder constantly under the buoyancy of liquid material's effect, and simultaneously, the metering rod on the floating block also synchronous motion thereupon, the scale of exposing in the outside metering rod of metering cylinder through observing can reflect the volume of holding the liquid material in the metering cylinder, improves the accuracy of measurement.

3. When the liquid material in the metering cylinder reaches the maximum measuring range of the metering cylinder, the floating block is mutually abutted with the pressure sensor at the top of the metering cylinder, the liquid material originally contained in the metering cylinder is discharged by the controller, and the vacated space can be continuously introduced into the liquid material for continuous metering.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic top view of the measuring cylinder of the present invention.

Reference numerals in the drawings of the specification include: the device comprises a base 1, a universal wheel 11, a material storage tank 2, a first support frame 21, a sealing cover 22, a driving motor 3, a rotating shaft 31, a stirring rod 32, a material guide pump 4, a material inlet pipe 41, a material outlet pipe 42, a material guide tank 5, a second support frame 51, a controller 52, a first liquid outlet pipe 6, an adjusting valve 61, a metering cylinder 7, a second liquid outlet pipe 71, an electromagnetic valve 72, a pressure sensor 73, an annular ring 74, a floating block 8 and a metering rod 81.

Detailed Description

The invention will be described in further detail by means of specific embodiments with reference to the accompanying drawings:

example (b):

a liquid material metering device is shown in figure 1 and comprises a base 1, wherein universal wheels 11 are installed on the base 1, a material storage tank 2, a material guide tank 5 and a material guide mechanism are fixedly installed on the base 1, a feeding hole is formed in the top of the base 1, and a sealing cover 22 is detachably installed at the feeding hole; be connected with first support frame 21 between 2 bottoms of storage tank and the base 1, the rabbling mechanism that is used for stirring liquid material is installed to 2 bottoms of storage tank, the rabbling mechanism includes the driving motor 3 of fixed mounting in 2 bottoms of storage tank, driving motor 3's output shaft coaxial coupling has pivot 31, pivot 31 stretches into in the storage tank 2 and is connected with a plurality of puddlers 32, and each puddler 32 distributes around pivot 31 equidistance.

As shown in fig. 1 and 2, the material guiding tank 5 is of a closed structure, a second supporting frame 51 is connected between the bottom of the material guiding tank 5 and the base 1, a first liquid outlet pipe 6 is mounted on the material guiding tank 5, an adjusting valve 61 is mounted on the first liquid outlet pipe 6, a metering cylinder 7 for metering liquid materials is fixedly mounted in the material guiding tank 5, and anti-adhesion polytetrafluoroethylene coatings are coated on the inner walls of the metering cylinder 7, the material guiding tank 5 and the material storage tank 2; the top of the metering cylinder 7 penetrates through the top of the material guide tank 5, a floating block 8 is arranged in the metering cylinder 7, guide sliding grooves are symmetrically formed in the inner wall of the metering cylinder 7, a sliding part is formed on the floating block 8, and the sliding part is arranged in the guide sliding grooves and is in sliding fit with the guide sliding grooves; a measuring rod 81 is fixedly arranged on the floating block 8, the measuring rod 81 penetrates through the top of the measuring cylinder 7 in a sliding manner, and measuring scales are marked on the measuring rod 81; an opening for the metering rod 81 to pass through is formed in the top of the metering cylinder 7, a hollow annular ring 74 is fixedly mounted on the inner edge of the opening, and adsorption particles for adsorbing volatile liquid materials are filled in the annular ring 74.

As shown in fig. 1, a second liquid outlet pipe 71 is installed on the outer wall of the metering cylinder 7 near the bottom, a solenoid valve 72 is installed on the second liquid outlet pipe 71, a controller 52 for controlling the solenoid valve 72 is installed on the outer wall of the material guiding tank 5, a pressure sensor 73 electrically connected with the controller 52 is installed on the top wall of the metering cylinder 7, and when the liquid material pushes the floating block 8 to abut against the pressure sensor 73, the controller 52 controls the solenoid valve 72 to open so that the liquid material flows into the material guiding tank 5. The controller 52 is provided with a display screen, a counting module is arranged in the controller 52, and when the floating block 8 collides with the pressure sensor 73, the counting module counts and displays the counted numerical value on the display screen.

As shown in fig. 1, the material guiding mechanism includes a material guiding pump 4 installed on the top of the material storage tank 2, an inlet end of the material guiding pump 4 is connected to a material feeding pipe 41, the material feeding pipe 41 extends into the material storage tank 2, an outlet end of the material guiding pump 4 is connected to a material discharging pipe 42, and the material discharging pipe 42 penetrates through the material guiding tank 5 and is connected to the metering cylinder 7.

The specific implementation mode of the scheme is as follows:

during the use, will treat that the liquid material of measurement fills in storage tank 2 through the feed inlet, then closes the feed inlet department with sealed lid 22 lid, avoids volatilizing of liquid material. The driving motor 3 is started, the output shaft of the driving motor 3 drives each stirring rod 32 to rotate around the rotating shaft 31 through the rotating shaft 31 and stir the liquid material, and the liquidity of the liquid material is improved.

The guide pump 4 is started, the liquid material in the storage tank 2 is guided into the metering cylinder 7 through the feeding pipe 41 and the discharging pipe 42 by the guide pump 4 in sequence, along with the liquid material continuously gushes into the metering cylinder 7, the floating block 8 in the metering cylinder 7 continuously slides towards the top of the metering cylinder 7 under the action of the buoyancy of the liquid material, meanwhile, the metering rod 81 on the floating block 8 also synchronously moves along with the floating block, and the volume of the liquid material contained in the metering cylinder 7 can be reflected by observing the scale of the metering rod 81 exposed outside the metering cylinder 7. When the floating block 8 continuously rises to be abutted against the pressure sensor 73 at the top of the metering cylinder 7 under the action of the liquid material, the maximum range of the liquid material in the metering cylinder 7 is indicated, the counting module in the controller 52 counts and displays the liquid material on the display screen, meanwhile, the controller 52 controls the electromagnetic valve 72 to be opened so that the liquid material in the metering cylinder 7 flows into the material guiding tank 5, the material guiding pump 4 temporarily stops guiding the liquid material into the metering cylinder 7, and after the liquid material in the metering cylinder 7 is exhausted, the material guiding pump 4 is started again to continuously guide the liquid material into the metering cylinder 7 for metering; finally, the volume of the liquid material can be reflected according to the numerical value on the display screen, the maximum measuring range of the measuring cylinder 7 and the scale of the measuring rod 81 exposed outside the measuring cylinder 7.

The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. A liquid material metering device is characterized in that: the material storage device comprises a base, wherein a material storage tank, a material guide tank and a material guide mechanism are fixedly arranged on the base, a material inlet is formed in the top of the material storage tank, and a sealing cover is detachably arranged at the material inlet; the material guide tank is of a closed structure, a first liquid outlet pipe is mounted on the material guide tank, an adjusting valve is mounted on the first liquid outlet pipe, a metering cylinder for metering liquid materials is fixedly mounted in the material guide tank, the top of the metering cylinder penetrates through the top of the material guide tank, a floating block is arranged in the metering cylinder, a metering rod is fixedly mounted on the floating block, the metering rod penetrates through the top of the metering cylinder in a sliding mode, and metering scales are marked on the metering rod; guide mechanism is including installing in the guide pump at storage tank top, the inlet end of guide pump is connected with the inlet pipe, and the inlet pipe stretches into in the storage tank, the outlet end of guide pump has the discharging pipe, the discharging pipe runs through and stretches into in the guide tank and be connected with a metering cylinder.

2. A liquid material metering device as claimed in claim 1, characterized in that: the utility model discloses a storage tank, including storage tank bottom, stirring mechanism, driving motor, pivot, stirring rod, stirring tank bottom, the stirring mechanism that is used for stirring liquid material is installed to storage tank bottom, stirring mechanism includes the driving motor of fixed mounting in storage tank bottom, driving motor's output shaft coaxial coupling has the pivot, the pivot is stretched into in the storage tank and is connected with a plurality of puddlers, and each puddler distributes around the pivot equidistance.

3. A liquid material metering device as claimed in claim 1, characterized in that: the inner wall of the metering cylinder is symmetrically provided with guide sliding grooves, sliding parts are formed on the floating blocks, and the sliding parts are arranged in the guide sliding grooves and are in sliding fit with the guide sliding grooves.

4. A liquid material metering device as claimed in claim 1, characterized in that: the top of the metering cylinder is provided with an opening through which the metering rod passes, a hollowed annular ring is fixedly mounted on the inner edge of the opening, and adsorption particles for adsorbing volatile liquid materials are filled in the annular ring.

5. A liquid material metering device as claimed in claim 1, characterized in that: and anti-adhesion polytetrafluoroethylene coatings are coated on the inner walls of the material storage tank, the material guide tank and the metering cylinder.

6. A liquid material metering device as claimed in claim 1, characterized in that: the utility model discloses a liquid material guiding device, including a measuring section of thick bamboo, a controller electricity is connected with the controller, and when liquid material promotes the floating block and contradicts pressure sensor, controller control solenoid valve is opened so that liquid material flows into in the baffle box, the second drain pipe is installed to the position that measuring section of thick bamboo outer wall is close to the bottom, install the solenoid valve on the second drain pipe, the controller that is used for controlling the solenoid valve is installed to the outer wall of guide box, install the pressure sensor who is connected with the controller electricity on the roof of measuring section of thick bamboo, when liquid material promotes the floating block and contradicts pressure sensor, controller control solenoid valve is opened so that liquid material flows into in the guide box.

7. A liquid material metering device as claimed in claim 6, characterized in that: install the display screen on the controller, dispose the count module in the controller, when the kicking block contradicts pressure sensor, the count module count and with the numerical value display of count on the display screen.