CN209810110U - Quantitative feeding device - Google Patents

Abstract

The utility model provides a quantitative feeding device, include: storage silo, bracing piece, first movable support piece, second movable support piece, pressure sensor and control mechanism. The storage bin comprises a supporting bottom plate and a bin body side wall, the supporting bottom plate is movably abutted against the bin body side wall, a semi-spherical clamping groove is formed in the center of the supporting bottom plate, the supporting rod comprises a rod body and a semi-spherical clamping block, one end of the rod body is arranged on the pressure sensor, the other end of the rod body is connected with the clamping block, the clamping block is matched with the clamping groove, and the clamping block is inserted into the clamping groove and movably connected with the supporting bottom plate; the size of the cross section of the rod body parallel to the bearing bottom plate is far smaller than that of the clamping block; one ends of the first movable supporting piece and the second movable supporting piece are abutted to the bearing bottom plate, and the other ends of the first movable supporting piece and the second movable supporting piece are arranged on the pressure sensor. The pressure sensor, the first movable supporting piece and the second movable supporting piece are respectively electrically connected with the control mechanism.

Description

Quantitative feeding device

Technical Field

The utility model relates to an ink stirring field especially relates to a ration feeding device.

Background

The ink is a homogeneous mixture of color body, binder, filler, additive, etc. The printing ink can print a pasty adhesive body with a certain fluidity on a body to be printed. Color, viscosity and drying properties are the three most important properties of an ink. There are many kinds of inks, and there are also large differences in physical properties. Some inks have a very high viscosity and some inks have a very low viscosity. In order to uniformly stir various raw materials for forming the printing ink, a quantitative feeding device is available in the fields of coating, printing and the like. In the process of processing and manufacturing the printing ink, the quantitative feeding device is used for uniformly stirring various raw materials for forming the printing ink to obtain the printing ink with uniform viscosity.

With the continuous promotion and deepening of the industrial development process, the traditional quantitative feeding device has low stirring speed and small stirring amount and can not meet the requirement of the market on the stirring of the printing ink raw materials. However, the volumetric capacity of the quantitative charging device is increased, which seriously affects the stirring effect of the quantitative charging device on the raw materials of various components of the ink. In addition, it is a difficult problem in the ink manufacturing industry to control the metering ratio of each raw material for a large-capacity mixing tank.

SUMMERY OF THE UTILITY MODEL

Based on this, there is a need for a dosing device.

A dosing device comprising: storage silo, bracing piece, first movable support piece, second movable support piece, pressure sensor and control mechanism.

The storage bin comprises a supporting bottom plate and a bin body side wall, the supporting bottom plate is movably abutted against the bin body side wall, a clamping groove which is over hemispherical is formed in the center of the supporting bottom plate, the supporting rod comprises a rod body and a clamping block which is over hemispherical, one end of the rod body is arranged on the pressure sensor, the other end of the rod body is connected with the clamping block, the clamping block is matched with the clamping groove, and the clamping block is inserted into the clamping groove and is movably connected with the supporting bottom plate; the size of the cross section of the rod body parallel to the bearing bottom plate is far smaller than that of the clamping block;

one ends of the first movable supporting piece and the second movable supporting piece are abutted to the bearing bottom plate, and the other ends of the first movable supporting piece and the second movable supporting piece are arranged on the pressure sensor.

The pressure sensor, the first movable supporting piece and the second movable supporting piece are electrically connected with the control mechanism respectively.

In one embodiment, the slot is opened in the center of the receiving bottom plate.

In one embodiment, the slot is opened at a portion of the receiving bottom plate close to the second movable support.

In one embodiment, the first movable supporting member, the second movable supporting member and the supporting rod are located on the same straight line.

In one embodiment, the first movable supporting member is an air cylinder, the air cylinder includes a cylinder body and a push rod, the cylinder body is in driving connection with the push rod, the cylinder body is arranged on the pressure sensor, and the push rod is abutted to the receiving bottom plate.

In one embodiment, the second movable supporting member is an air cylinder, the air cylinder includes a cylinder body and a push rod, the cylinder body is in driving connection with the push rod, the cylinder body is arranged on the pressure sensor, and the push rod is abutted to the receiving bottom plate.

In one embodiment, a push plate is arranged at one end of the push rod close to the bearing bottom plate.

In one embodiment, a soft rubber is arranged on one surface of the push plate close to the bearing bottom plate.

In one embodiment, a soft plastic is arranged on one surface of the push plate close to the bearing bottom plate.

In one embodiment, the quantitative charging device is further provided with a material conveying pipe, and the material conveying pipe is arranged on one side of the bottom of the bearing bottom plate close to the first movable support piece and used for conveying the raw materials in the storage bin.

In the working process of the quantitative feeding device, a user can add the printing ink raw materials into the storage bin, the receiving bottom plate in the storage bin is used for receiving the printing ink raw materials in the storage bin, and the receiving bottom plate transmits the mass of the printing ink raw materials in the storage bin to the pressure sensor through the first movable supporting piece, the second movable supporting piece and the supporting rod. The pressure sensor communicates a mass value of the ink stock in the storage bin to the control mechanism. When the mass of the ink raw materials in the storage bin is larger than or equal to a mass preset value set on the control mechanism by a user, the control mechanism controls the first movable supporting piece to contract, the second movable supporting piece extends, so that the receiving bottom plate rotates to be a slope around the supporting rod, and the ink raw materials in the discharging bin flow out along the inclined receiving bottom plate. The quantitative feeding device is high in reaction speed, accurate and quantitative feeding can be achieved for solid ink raw materials, and the quality of the ink in the mass production and manufacturing processes is greatly improved.

Drawings

FIG. 1 is a schematic view showing the construction of an ink quantitative material stirring barrel in one embodiment;

FIG. 2 is a schematic diagram of the construction of the stirring assembly in one embodiment;

FIG. 3 is a schematic structural view of a control mechanism in one embodiment;

FIG. 4 is a schematic view of the structure of the dosing device in one embodiment;

FIG. 5 is a schematic view of a portion of the structure of the metering device in one embodiment;

FIG. 6 is a schematic diagram of a portion of a first movable support in one embodiment;

FIG. 7 is a schematic view showing the structure of an ink quantitative material stirring barrel in another embodiment.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

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; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Referring to fig. 1 and 2 together, in order to increase the efficiency of the large-capacity mixing barrel for mixing a large amount of ink raw materials, an embodiment of a mixing barrel 10 for mixing ink quantitative raw materials includes: barrel 100, two stirring assemblies 200, metering pump 400 and infusion tube 410. The various ink raw materials are stirred and mixed in the barrel 100, and the two stirring assemblies 200 stir the various ink raw materials in the barrel 100. In this embodiment, the metering pump 400 is a mechanical diaphragm metering pump. In one embodiment, the metering pump is a hydraulic diaphragm metering pump. In another embodiment, the metering pump is a plunger type metering pump. In yet another embodiment, the metering pump is a piston-type metering pump.

Specifically, referring to fig. 1 and 2, the barrel 100 is provided with a stirring chamber 101, a feeding port (not shown), a discharging port (not shown), and an infusion port (not shown). The various ink raw materials are stirred and mixed in the stirring chamber 101. The feeding port, the discharge port and the infusion port are respectively communicated with the stirring cavity 101. The user puts various ink raw materials into the stirring cavity 101 through the feeding port, and puts liquid raw materials into the stirring cavity 101 through the infusion port. The amount of the liquid material fed into the stirring chamber 101 is precisely controlled by controlling the metering pump. And after the various printing ink raw materials are stirred, collecting the printing ink which is uniformly stirred and mixed by the user through the discharge hole. The barrel 100 is provided with a feeding switch 110 at the feeding port, and the feeding switch 110 is used for opening and closing the feeding port. When a user adds various ink raw materials into the barrel 100, the feeding switch 110 is turned on, and when the addition of various solid ink raw materials is completed, the feeding switch 110 is turned off. The part of the barrel 100 at the infusion port is provided with an infusion switch 130. The infusion switch 130 is turned on when a user inputs liquid material into the tub 100, and the infusion switch 130 is turned off when the addition of liquid material is completed. The output end of the metering pump 400 is communicated with the input end of the infusion tube 410, and the output end of the infusion tube 410 is communicated with the infusion port. The part of the barrel body 100 at the discharge port is provided with a discharge switch 120, and the discharge switch 120 is used for opening and closing the discharge port. After the various ink raw materials in the barrel 100 are completely stirred, a user can turn on the discharge switch 120 to collect the stirred ink. After the collection is completed, the discharge switch 120 is closed. It should be noted that, in this embodiment, the ink quantitative material mixing barrel 10 includes two mixing assemblies 220, and the two mixing assemblies 220 are respectively located at the top and the bottom of the barrel 100, so as to facilitate adding ink raw materials and collecting mixed ink.

Referring to fig. 1 and 2, the stirring assembly 200 includes a stirring motor 210, a stirring axle 220, a blade connector 230, and a plurality of stirring blades 240. The stirring motor 210 is drivingly connected to the stirring wheel shaft 220, and the plurality of stirring blades 240 are connected to the stirring wheel shaft 220 through the blade connection member 230. The blade connector 230, the stirring blades 240 and at least a portion of the stirring shaft 220 are received in the stirring chamber 101. During the operation of the quantitative ink material mixing barrel 10, the mixing motor 210 drives the mixing blades 240 to rotate via the mixing wheel 220, so as to mix and mix the various ink materials in the barrel 100. The two stirring assemblies 200 are respectively disposed at the top and the bottom of the tub 100. In the case of a large-capacity ink raw material stirring barrel, the conventional stirring mechanism is inefficient in stirring a large amount of ink raw materials, and the effect is poor. In the present embodiment, since the same two stirring assemblies 200 are respectively located at the top and the bottom of the barrel 100, during the stirring process, the various ink raw materials will form two opposite rotational flows in the stirring cavity 101 between the same two stirring assemblies 200, and the two opposite rotational flows collide with each other to fully mix the various ink raw materials in the quantitative ink raw material stirring barrel 10. The portion of the agitating hub 220 remote from the blade connection 230 is provided with a helical blade 250. The spiral blade 250 provided to the portion of the agitating hub 220 distant from the blade connection member 230 increases the impact force to form the counter-rotating flow. In addition, in the present embodiment, the portion of the two stirring shafts 220 received in the stirring chamber 101 is located at the center of the stirring chamber 101. The rotational flows formed by the two stirring assemblies 200 are oppositely flushed, so that the mixing effect of various printing ink raw materials in the printing ink quantitative raw material stirring barrel 10 is improved.

A user can put various solid ink raw materials into the ink quantitative raw material mixing tank 10 through the material feeding port, and control the metering pump 400 to accurately and quantitatively input liquid raw materials into the barrel 100 through the liquid conveying pipe 410. After the ink raw materials are put in, a user controls the two stirring assemblies 200 to work, and the driving motor 210 in the stirring assembly 200 drives the stirring wheel shaft 220 to rotate so as to drive the stirring blades 240 and the helical blades 250 to rotate. Since the two identical stirring assemblies 200 are respectively located at the top and the bottom of the barrel 100, during the stirring process, the various ink raw materials form two opposite rotational flows in the stirring cavity 101 between the two identical stirring assemblies 200, and the two opposite rotational flows collide with each other to fully mix the various ink raw materials in the quantitative ink raw material stirring barrel 10. The spiral blade 250 disposed at the portion of the agitating hub 220 distant from the blade connection member 230 increases the impact force to the swirling flow formed. After the ink quantitative raw material mixing tank 10 is used for uniformly mixing various ink raw materials, a user can open the discharge switch 120 to perform sub-packaging, collection and utilization on the well-mixed ink in the ink quantitative raw material mixing tank 10. Above-mentioned printing ink ration raw materials agitator 10 stirring speed is fast, the stirring is efficient, the printing ink raw materials volume of stirring is big, can be to liquid raw materials realize adding accurately quantitatively, has greatly improved the stirring effect of the huge quantitative feeding device of capacity to a large amount of printing ink raw materials.

In order to increase the structural strength of the stirring assembly 200, in one embodiment, the stirring blade 240 is made of stainless steel. The stirring blade made of stainless steel has high structural strength. Increasing the useful life of the stirring assembly 200. In order to reduce the workload of the ink quantitative material mixing tank 10, in another embodiment, the mixing blade is made of plastic. The stirring blade made of plastic has light weight, the working load of the stirring motor 210 is small, and the electric energy is saved. Thus, the working cost of the ink quantitative raw material stirring barrel 10 is reduced. In other embodiments, the stirring blade is made of aluminum alloy. The blade of aluminum alloy material is light for stainless steel's blade quality, and is structural strength big durable for the stirring vane of plastics material.

In this embodiment, the two stirring motors 210 are stepping motors. The stepping motor is an open-loop control motor which converts an electric pulse signal into angular displacement or linear displacement, and is a main executive component in a modern digital program control system. In the case of non-overload, the motor speed and the stopping position only depend on the frequency and the pulse number of the pulse signal and are not influenced by load change. When the step driver in the step motor receives a pulse signal, it drives the step motor to rotate a fixed angle according to the set direction. The rotation of the device runs in one step at a fixed angle, the angular displacement can be controlled by controlling the number of pulses, so that the aim of accurate positioning is fulfilled, and meanwhile, the rotating speed and acceleration of the motor can be controlled by controlling the pulse frequency, so that the aim of speed regulation is fulfilled. In another embodiment, the two stirring motors are servo motors. The rotation speed of the servo motor rotor is controlled by the input signal and can quickly respond, and in an automatic control system, the servo motor rotor is used as an actuating element, has the characteristics of small motor time constant, high linearity, starting voltage and the like, and can convert the received electric signal into angular displacement or angular speed on a motor shaft for output.

In order to improve the convenience of the user in controlling the ink quantitative material mixing barrel 10, in this embodiment, the feeding switch 110 is an electric valve. In one embodiment, the output switch 120 is an electrically operated valve. The infusion switch 130 is an electrically operated valve. Referring to fig. 3, in one embodiment, the ink quantitative material mixing tank 10 is further provided with a control mechanism 300, and the two mixing motors 210, the feeding switch 110, the infusion switch 130 and the discharging switch 120 are respectively electrically connected to the control mechanism 300. In this way, the user can control the opening and closing of the material feeding switch 110 and the material discharging switch 120 through the control mechanism 300, and the rotation time and the rotation speed of the two stirring motors 210 are controlled through the control mechanism 300. Accurate stirring of various printing ink raw materials in the printing ink quantitative raw material stirring barrel 10 is achieved, and uneven printing ink caused by insufficient stirring time is avoided.

In order to realize the alarm prompting function of the ink quantitative raw material mixing tank 10, please refer to fig. 3, in one embodiment, the control mechanism 300 is further provided with an alarm 310. In this embodiment, the alarm 310 is a buzzer alarm, and the control mechanism 300 detects the operating conditions of the feeding switch 110, the discharging switch 120, and the stirring motor 210. The control means 300 controls the alarm 310 to sound different alarm signals according to different abnormal conditions. In this embodiment, the control mechanism 300 further includes an alarm switch 311 and an alarm indicator 312. The display color of the alarm indicator lamp 312 corresponds to different alarm signal sounds, and after the user receives the alarm signal, the alarm switch 311 can turn off the alarm operation of the alarm, that is, turn off the alarm indicator lamp 312 and control the alarm 320 to stop sending the alarm signal sounds. Therefore, the quantitative ink raw material stirring barrel 10 is convenient to monitor, and the abnormal working condition of the quantitative ink raw material stirring barrel 10 is mastered in real time.

In order to increase the application range of the ink quantitative material mixing tank 10, in one embodiment, referring to fig. 3, the control mechanism 300 is further provided with a step switch 320. In the present embodiment, the step switch 320 is provided with a high gear and a low gear. The printing ink quantitative raw material stirring barrel 10 is characterized in that the working power of the two stirring motors 210 in the high-speed gear and the low-speed gear is different, and the rotating speeds of the two stirring motors 210 in the high-speed gear and the low-speed gear are different. In other embodiments, the step switch 320 corresponds to a plurality of gears, the operation power of the stirring motor 210 in a plurality of different gears of the ink quantitative material stirring barrel 10 is different, and the rotation speeds of the two stirring motors 210 in a plurality of different gears are different. Therefore, the working requirements of the ink quantitative raw material stirring barrel 10 under different conditions are met, and the application range of the ink quantitative raw material stirring barrel 10 is expanded.

In order to facilitate the user to obtain the working time and the rotation speed of the two stirring motors 210 in the ink quantitative material stirring barrel 10, in one embodiment, please refer to fig. 2, the control mechanism 300 is provided with a display 330. In the working process of the ink quantitative raw material mixing tank 10, the working powers of the two mixing motors 210, the working time of the mixing motor 210 set by the user, and the rotating speed of the mixing motor 210 are displayed on the display 330. In this way, the user can conveniently read the working power of the two stirring motors 210 in the ink quantitative raw material stirring barrel 10, the working time of the stirring motors 210 set by the user, and the rotating speeds of the two stirring motors 210 through the display 330 on the control mechanism 300.

To extend the service life of the infusion tube 410, in one embodiment, the infusion tube 410 is stainless steel. The inner and outer surfaces of the infusion tube 410 are passivated. In other embodiments, the outer surface of the infusion tube is provided with a paint layer. The paint layer is made of raw lacquer. The raw lacquer has strong adhesive force, tough lacquer film, good luster and strong corrosion resistance. In yet another embodiment, the inner side wall of the infusion tube is provided with a polyurethane coating. In this embodiment, the inner side wall of the infusion tube is provided with a heavy anti-corrosion coating. Specifically, the heavy anti-corrosion coating is an epoxy mortar heavy anti-corrosion coating. Thus, the anti-corrosion performance of the infusion tube 410 is greatly improved, and the service life of the infusion tube 410 is prolonged.

To achieve precise addition of ink material, please refer to fig. 4, which is a quantitative charging device 500 in an embodiment, wherein the quantitative charging device 500 includes a storage bin 510, a supporting rod 520, a first movable supporting member 530, a second movable supporting member 540, a pressure sensor 550, and a control mechanism 300. The storage bin 510 is used for storing ink raw materials. The support rod 520, the first movable support 530 and the second movable support 540 are used for supporting the bottom of the storage bin 510, and the pressure sensor 550 measures the mass of the raw material added into the storage bin 510 through the support rod 520, the first movable support 530 and the second movable support 540. The pressure sensor 550 communicates the measured mass value of the material in the storage bin 510 to the control mechanism 300 in real time.

Specifically, referring to fig. 4 and 5, the storage bin 510 includes a receiving bottom plate 511 and a bin sidewall 512, the receiving bottom plate 511 is movably abutted against the bin sidewall 512, a clamping groove 501 with a semi-sphere shape is formed in the center of the receiving bottom plate 511, the support rod 520 includes a rod 521 and a clamping block 522 with a semi-sphere shape, one end of the rod 521 is disposed on the pressure sensor 550, the other end of the rod 521 is connected with the clamping block 522, the clamping block 522 is engaged with the clamping groove 501, and the clamping block 522 is inserted into the clamping groove 501 and is movably connected with the receiving bottom plate 511. The dimension of the cross section of the rod 521 parallel to the bottom receiving plate 511 is much smaller than the dimension of the engaging block 522, so that the bottom receiving plate 511 can rotate around the engaging block 522 to form a slope. In this embodiment, the card slot 501 is opened in the center of the receiving bottom plate 511. Further, the first movable support 530, the second movable support 540 and the support rod 520 are located on the same line. In another embodiment, the slot is opened at a portion of the receiving bottom plate close to the second movable support. So as to control and adjust the inclination angle of the supporting bottom plate 511. One end of the first movable supporting member 530 and one end of the second movable supporting member 540 abut against the receiving bottom plate 511, and the other ends of the first movable supporting member 530 and the second movable supporting member 540 are provided on the pressure sensor 550. The pressure sensor 550, the first movable support 530, and the second movable support 540 are electrically connected to the control mechanism 300, respectively.

During the operation of the quantitative charging device 500, a user can add ink raw material into the storage bin 510, the receiving bottom plate 511 of the storage bin 510 is used for receiving the ink raw material in the storage bin 510, and the receiving bottom plate 511 transfers the mass of the ink raw material in the storage bin 510 to the pressure sensor 550 through the first movable support 530, the second movable support 540 and the supporting rod 520. The pressure sensor 550 communicates a mass value of the ink stock in the reservoir 510 to the control mechanism 300. When the mass of the ink raw material in the storage bin 510 is greater than or equal to the preset mass value set by the user on the control mechanism 300, the control mechanism 300 displays the mass of the ink raw material in the storage bin 510 on the display 330, and the control mechanism 300 controls the alarm 310 to give an alarm prompt that the loading of the raw material is finished. The control mechanism 300 controls the first movable support 530 to contract and the second movable support 540 to extend, so that the receiving bottom plate 511 rotates to form a slope around the support rod 520, and the ink material in the discharging bin 510 flows out along the inclined receiving bottom plate 511. The quantitative feeding device 500 has high reaction speed, can realize accurate quantitative feeding of solid ink raw materials, and greatly improves the quality of the ink in the mass production and manufacturing processes.

In order to facilitate the control of the inclination of the receiving bottom plate 511, please refer to fig. 1 and fig. 6 together, in one embodiment, the first movable supporting member 530 is an air cylinder, the air cylinder includes a cylinder 531 and a push rod 532, the cylinder 531 is in driving connection with the push rod 532, the cylinder 531 is disposed on the pressure sensor 550, and the push rod 532 abuts against the receiving bottom plate 511. In one embodiment, the second movable supporting member is an air cylinder, the air cylinder includes a cylinder body and a push rod, the cylinder body is in driving connection with the push rod, the cylinder body is arranged on the pressure sensor, and the push rod is abutted to the receiving bottom plate. In another embodiment, the first movable supporting member and the second movable supporting member are both air cylinders, the push rod is arranged on the pressure sensor, and the cylinder body is abutted to the receiving bottom plate. In this way, when the control mechanism 300 dumps the ink material in the storage bin 510, the control mechanism 300 controls the second movable support 540 to shake strongly within a small range, so that the ink material on the receiving bottom plate 511 is entirely dumped and shaken out.

To facilitate tilt control of the receiving floor 511 by the first movable support 530 and the second movable support 540. Referring to fig. 6, in one embodiment, a push plate 533 is disposed at an end of the push rod 532 close to the receiving bottom plate 511. The large contact area of the push plate 533 with the receiving bottom plate 511 facilitates adjustment of the receiving bottom plate 511 while alleviating mutual abrasion of the first movable support 530, the second movable support 540, and the receiving bottom plate 511. In order to further protect the pushing plate 533 and the receiving bottom plate 511, in one embodiment, a soft rubber is disposed on a surface of the pushing plate 533 close to the receiving bottom plate 511. In another embodiment, a soft plastic is disposed on a surface of the push plate 533 close to the receiving bottom plate 511. Therefore, the friction force between the push plate 533 and the receiving bottom plate 511 is buffered, and the friction damage between the push plate 533 and the receiving bottom plate 511 in the working process of the quantitative charging device is avoided.

In order to facilitate the collection of the ink material in the quantitative charging device 500, please refer to fig. 1 and fig. 7, in one embodiment, the quantitative charging device 500 further includes a material conveying pipe 560, and the material conveying pipe 560 is disposed at a side of the bottom of the receiving bottom plate 511 close to the first movable support 530 for conveying the material in the storage bin 510. The output end of the conveying pipe 560 is communicated with the feeding port. In this way, the ink material in the quantitative charging device 500 flows into the ink quantitative material mixing tank 10 in a slope manner by the receiving bottom plate 511 controlled by the control mechanism 300.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. A dosing device, comprising: the device comprises a storage bin, a support rod, a first movable support piece, a second movable support piece, a pressure sensor and a control mechanism;

the storage bin comprises a supporting bottom plate and a bin body side wall, the supporting bottom plate is movably abutted against the bin body side wall, a clamping groove which is over hemispherical is formed in the center of the supporting bottom plate, the supporting rod comprises a rod body and a clamping block which is over hemispherical, one end of the rod body is arranged on the pressure sensor, the other end of the rod body is connected with the clamping block, the clamping block is matched with the clamping groove, and the clamping block is inserted into the clamping groove and is movably connected with the supporting bottom plate; the size of the cross section of the rod body parallel to the bearing bottom plate is far smaller than that of the clamping block;

one ends of the first movable supporting piece and the second movable supporting piece are abutted against the bearing bottom plate, and the other ends of the first movable supporting piece and the second movable supporting piece are arranged on the pressure sensor;

the pressure sensor, the first movable supporting piece and the second movable supporting piece are electrically connected with the control mechanism respectively.

2. A dosing device as claimed in claim 1, characterized in that the clamping groove opens in the centre of the receiving floor.

3. A dosing device as claimed in claim 1, wherein the catch opens into a portion of the receiving floor adjacent the second movable support.

4. The dosing device of claim 1, wherein the first movable support, the second movable support, and the support bar are located on a common line.

5. The quantitative charging device according to claim 1, wherein the first movable supporting member is an air cylinder, the air cylinder comprises a cylinder body and a push rod, the cylinder body is in driving connection with the push rod, the cylinder body is arranged on the pressure sensor, and the push rod is abutted against the receiving bottom plate.

6. The quantitative charging device according to claim 1, wherein the second movable supporting member is an air cylinder, the air cylinder comprises a cylinder body and a push rod, the cylinder body is in driving connection with the push rod, the cylinder body is arranged on the pressure sensor, and the push rod is abutted against the receiving bottom plate.

7. A dosing device as claimed in claim 5 or 6, characterised in that a push plate is provided at the end of the push rod adjacent the receiving floor.

8. A dosing device as claimed in claim 7, characterised in that a soft rubber is provided on the face of the pusher adjacent the receiving base plate.

9. A dosing device as claimed in claim 7, characterised in that a soft plastics material is provided on a face of the pusher adjacent the receiving base plate.

10. The quantitative charging device as claimed in claim 1, further comprising a feed delivery pipe disposed at a side of the bottom of the receiving bottom plate adjacent to the first movable supporting member for delivering the raw material in the storage bin.