CN114735255A

CN114735255A - Quantitative filling machine for liquid filling

Info

Publication number: CN114735255A
Application number: CN202210353003.8A
Authority: CN
Inventors: 豆保安
Original assignee: Jiangsu Yaoxin Machinery Technology Co ltd
Current assignee: Jiangsu Yaoxin Machinery Technology Co ltd
Priority date: 2022-04-06
Filing date: 2022-04-06
Publication date: 2022-07-12
Anticipated expiration: 2042-04-06
Also published as: CN114735255B

Abstract

The invention discloses a quantitative filling machine for liquid filling, which relates to the technical field of quantitative filling and comprises a filling barrel, wherein a liquid storage mechanism is fixedly installed at the bottom of the filling barrel, the liquid storage mechanism comprises a weighing cavity, a weighing piston is slidably installed on the weighing cavity, a liquid injection telescopic cylinder and a residual telescopic cylinder are fixedly installed on the weighing piston, the top ends of the liquid injection telescopic cylinder and the residual telescopic cylinder are respectively and fixedly connected with a liquid injection cavity and a residual recovery pipe, the top end of the liquid injection cavity is communicated with the bottom end of the filling barrel, and a liquid injection check valve is fixedly installed on the liquid injection cavity. The weighing cavity is arranged to control the one-time filling amount, so that the filling precision is improved; a plurality of groups of filling barrels can be set for independent control; by using a mechanical structure for control, the use of electromagnetic valves is reduced, thereby improving the stability of control.

Description

Quantitative filling machine for liquid filling

Technical Field

The invention relates to the technical field of quantitative filling, in particular to a quantitative filling machine for liquid filling.

Background

The liquid quantitative filling mechanism is a device for filling liquid materials into packages. At present, liquid materials in a filling pump are extruded out by an air cylinder to complete filling of the liquid materials, the existing liquid quantitative filling equipment generally adopts the air cylinder, and automatic quantitative liquid split charging equipment for quantitatively extracting and filling the liquid materials through a piston is suitable for various liquid materials such as liquid medicines and oral liquids, but the existing filling machine cannot weigh the filled liquid, so the accuracy of the filling is not high, and the prior art CN102826243B is quantitative filling equipment. The quantitative filling mechanism comprises a sanitary diaphragm quantitative valve and a metering filling mechanism. The sanitary diaphragm proportional valve comprises a proportional valve body and a telescopic diaphragm sleeve. The quantitative valve body comprises a liquid input pipe, a liquid output pipe, a quantitative valve sleeve and two end panels, and a metering material inlet and a metering material outlet are arranged on the side wall of the quantitative valve sleeve; the telescopic diaphragm sleeve is positioned in the proportional valve body, the edges of openings at two ends of the telescopic diaphragm sleeve are respectively fixed on two end face plates, and the liquid input pipe and the liquid output pipe are respectively communicated with the openings at two ends of the telescopic diaphragm sleeve; the metering and filling mechanism is connected with a metering material inlet and a metering material outlet through a conveying pipe. Filling machines, including a bowl, a filling head, a dosing filling mechanism and two sanitary diaphragm valves, do not solve the above technical problems.

Disclosure of Invention

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a liquid filling machine for filling, includes the filling bucket, the bottom fixed mounting stock solution mechanism of filling bucket, stock solution mechanism weigh the chamber including weighing sliding mounting and weigh the piston on weighing the chamber, weigh on the piston fixed mounting annotate liquid telescopic cylinder and surplus telescopic cylinder, its annotate liquid telescopic cylinder and surplus telescopic cylinder's top respectively fixedly connected with annotate liquid chamber and surplus recovery tube, its top of annotating the liquid chamber communicates with the bottom of filling bucket to fixed mounting has the notes liquid check valve on annotating the liquid chamber.

Preferably, the filling barrel and the weighing cavity are fixedly mounted on a filling barrel support, the filling barrel support is fixedly mounted on the base, a liquid injection port is formed in the top of the filling barrel, a pressurizing piston is slidably mounted on the inner wall of the filling barrel, a pressurizing check valve is fixedly mounted on the pressurizing piston, a pressurizing lead screw is fixedly mounted at a position, deviating from the circle center, of the pressurizing piston, a pressurizing nut block is fixedly connected to the outer surface of the pressurizing lead screw, the pressurizing nut block is rotatably mounted on the filling barrel, and a nut shifting piece is further fixedly mounted on the pressurizing nut block.

Preferably, fixed mounting has three surplus bucket on the base, and the equal sliding connection of inner wall of three surplus bucket has the surplus piston, and fixed mounting has the surplus spring between the bottom surface of surplus piston and surplus bucket inner wall to the inside of three surplus bucket and three groups weigh the chamber and pass through equal surplus recovery tube intercommunication, the bottom in the chamber is weighed to three groups is through the four-way pipe intercommunication, and the four-way pipe with weigh chamber junction fixedly connected with solenoid valve for the control is weighed the liquid flow in the intracavity and is arrived in the four-way pipe.

Preferably, fixed mounting has the storage to press the bucket support on the base, and fixed mounting has the storage to press the bucket on the storage to press the bucket support, and the inner wall sliding connection that stores up the pressure bucket has the storage to press the piston, and fixed mounting has the storage to press the spring with storing up between the ground of pressing the bucket inner wall to the bottom fixed mounting that stores up the pressure bucket has the filter tip, and the inside of storing up the pressure bucket is pressed pipe and is weighed the inside intercommunication in chamber through three storage with corresponding.

Preferably, the top of storing up pressure bucket is provided with the drive support frame, drive support frame and storing up pressure bucket support fixed connection, fixedly connected with top control frame on the drive support frame, and the rotation of the middle part of top control frame installs central band pulley to still rotate on the drive support frame and install the linkage band pulley, rotate through one-level drive belt between central band pulley and the three linkage band pulley and be connected.

Preferably, through control electric jar support fixedly connected with control electric jar on the control frame of top, fixedly connected with switches driving motor on the telescopic link of control electric jar, and fixedly connected with switches driving drive gear on switching driving motor's the output shaft, and the below of switching driving drive gear switches driving drive gear down through connecting axle fixedly connected with, and spline fit has the permanent gear on this connecting axle, permanent gear and this connecting axle sliding connection, the permanent gear is installed on the drive support frame through switching gear support rotation.

Preferably, the drive support frame is further rotatably provided with a middle side rack through a middle side rack support plate, the middle side rack is rotatably connected with a middle side tooth, an upper surface gear of the middle side tooth is meshed with the middle side rack support plate, an insertion shifting piece is fixedly mounted on the middle side rack support plate, the insertion shifting piece is rotatably mounted on the middle side rack, an insertion electric cylinder is arranged on the side of the insertion shifting piece, the insertion electric cylinder is fixedly mounted on the middle side rack, and an insertion block is fixedly connected to a telescopic rod of the insertion electric cylinder.

Preferably, top control frame fixed mounting has three spacing piece, rotate on the drive support frame and install three control lever, the control lever is close to the one end that inserts the plectrum and seted up and insert plectrum complex recess, the one end fixedly connected with control gear that inserts the plectrum is kept away from to the control lever, and control gear rotates and connects on the filling bucket, annotate liquid intracavity slidable mounting and have the notes liquid lead screw, the surface threaded mounting who annotates the liquid lead screw has notes liquid nut gear, annotates liquid nut gear and control gear and toothed wheel meshing.

Preferably, still fixed mounting has bottom drive gear support on the drive support frame, rotates on the bottom drive gear support and is connected with bottom drive gear, and bottom drive gear's middle part is through switching down the fixed antithetical couplet of connecting rod and having the switching lower gear, the top of switching lower connecting rod rotates and is connected with the switching connecting rod, switches the top and central band pulley fixed connection of connecting rod to still fixedly connected with switching upper gear on the switching connecting rod.

Compared with the prior art, the invention has the following beneficial effects: (1) the weighing cavity is arranged to control the one-time filling amount, so that the filling precision is improved; (2) the invention can set a plurality of groups of filling barrels to carry out independent control; (3) the invention reduces the use of the electromagnetic valve by using a mechanical structure for control, thereby improving the stability of control.

Drawings

FIG. 1 is a schematic view I of the structure of the present invention.

FIG. 2 is an enlarged view of the structure of FIG. 1 at A according to the present invention.

FIG. 3 is a schematic view of the centrifugal pick of the present invention.

Fig. 4 is a schematic structural view of the centrifugal motor of the present invention.

FIG. 5 is a schematic diagram II of the present invention.

FIG. 6 is an enlarged view of the structure of FIG. 5 at B in accordance with the present invention.

FIG. 7 is an enlarged view of the structure of FIG. 5 at C.

FIG. 8 is a schematic view of the structure of the present invention III.

FIG. 9 is an enlarged view of the structure of FIG. 8 at D according to the present invention.

FIG. 10 is an enlarged view of the structure of FIG. 8 at E in accordance with the present invention.

FIG. 11 is an enlarged view of the structure of FIG. 8 at F according to the present invention.

FIG. 12 is a schematic diagram IV of the present invention.

FIG. 13 is an enlarged view of the structure of FIG. 12 at G.

FIG. 14 is a schematic view of the structure of the present invention.

FIG. 15 is a schematic view of the structure of the storage and release block of the present invention.

FIG. 16 is a schematic view of the structure of the storage and release block of the present invention II.

FIG. 17 is a schematic view VI of the structure of the present invention.

Fig. 18 is a schematic view of the structure of the constant rotation gear of the present invention.

FIG. 19 is a schematic view VII of the structure of the present invention.

FIG. 20 is a schematic view of the structure of the present invention VIII.

Fig. 21 is a schematic view of the driving support frame of the present invention.

In the figure: 101-filling a barrel; 102-a filling barrel support; 103-centrifugal wheel support; 104-centrifugal wheel; 105-a centrifugal motor; 106-centrifugal plectrum; 107-a pressurizing screw rod; 108-nut paddle; 109-a booster nut block; 110-a booster piston; 111-a pressurized one-way valve; 112-liquid injection chamber; 113-storage nut pulley holder; 114-liquid injection lead screw; 115-injection nut gear; 116-a control lever; 117-control gear; 118-a liquid injection one-way valve; 119-a weighing chamber; 120-liquid injection telescopic cylinder; 121-residual telescopic cylinder; 122-a residue recovery pipe; 123-allowance piston; 124-residue bucket; 125-balance spring; 126-weighing piston; 127-a solenoid valve; 128-a base; 129-pressure storage barrel support; 130-pressure storage barrel; 131-a pressure storage piston; 132-a pressure storage spring; 133-a filter; 134-a drive support; 135-pressure storage tube; 136-a top control rack; 137-control the electric cylinder; 138-control cylinder support; 139-a limiting piece; 140-a linkage pulley; 141-primary transmission belt; 142-a secondary belt; 143-a central pulley; 144-switching gear carrier; 145-switching the drive motor; 146-switching the upper link; 147-switching the upper gear; 148-switching the upper drive gear; 149-allowance control screw; 150-constant rotation gear; 151-switching lower drive gear; 152-switching the lower gear; 153-switching lower link; 154-bottom drive gear; 155-middle side tooth rack; 156-middle side teeth; 157-middle side carrier support plate; 1581-storage release plate; 1582-store release block; 1583 storing and releasing the anti-rotation rod; 1584-store release lead screw; 1585-store release nut gear; 159 — insert block; 160-insert electric cylinder; 161-insert plectrum; 162-bottom drive gear support; 163-headroom control block; 164-balance control board; 165-storage nut pulley; 166-margin control anti-rotation rod; 167-four-way pipe.

Detailed Description

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

Wherein the showings are for the purpose of illustration only and not for the purpose of limiting the same, the same is shown by way of illustration only and not in the form of limitation; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

As shown in fig. 1 to 4, the present invention provides a technical solution: a quantitative filling machine for liquid filling comprises a filling barrel 101, a liquid storage mechanism is fixedly installed at the bottom of the filling barrel 101, the liquid storage mechanism comprises a weighing cavity 119, a weighing piston 126 is slidably installed on the weighing cavity 119, a liquid injection telescopic cylinder 120 and a residue telescopic cylinder 121 are fixedly installed on the weighing piston 126, the top ends of the liquid injection telescopic cylinder 120 and the residue telescopic cylinder 121 are respectively and fixedly connected with a liquid injection cavity 112 and a residue recovery pipe 122, the top end of the liquid injection cavity 112 is communicated with the bottom end of the filling barrel 101, a liquid injection one-way valve 118 is fixedly installed on the liquid injection cavity 112, the filling barrel 101 and the weighing cavity 119 are both fixedly installed on a filling barrel support 102, the filling barrel support 102 is fixedly installed on a base 128, liquid injection ports are formed in the top of the filling barrel 101, three groups of the filling barrel 101 and the weighing cavity 119 are arranged, and the three groups of the filling barrel 101 and the weighing cavity 119 are both fixedly installed on the base 128 through the filling barrel support 102, and is used for respectively quantifying different liquids, the inner wall of the filling barrel 101 is slidably provided with a pressurizing piston 110, the pressurizing piston 110 is fixedly provided with a pressurizing one-way valve 111, the position of the pressurizing piston 110 deviated from the center of the circle is fixedly provided with a pressurizing lead screw 107, the outer surface of the pressurizing lead screw 107 is fixedly connected with a pressurizing nut block 109, the pressurizing nut block 109 is rotatably arranged on the filling barrel 101, the pressurizing nut shifting piece 108 is also fixedly arranged on the pressurizing nut block 109, the rotation of the centrifugal wheel 104 is driven by a centrifugal motor 105 at the bottom, the centrifugal motor 105 is fixedly arranged on a base 128 through a centrifugal wheel bracket 103, that is, the output shaft of the centrifugal motor 105 is fixedly connected with the centrifugal wheel 104, indirectly, the centrifugal wheel 104 is rotatably connected with the upper surface of the centrifugal wheel bracket 103, the centrifugal wheel 104 rotates under the driving of the centrifugal motor 105, the centrifugal shifting piece 106 on the centrifugal wheel 104 can move outwards due to the effect of centrifugal force, when the centrifugal shifting piece 106 is in contact with the nut shifting piece 108, the rotating centrifugal shifting piece 106 drives the nut shifting piece 108 to rotate, the nut shifting piece 108 rotates to drive the pressurizing nut block 109 to rotate, the pressurizing nut block 109 rotates to drive the pressurizing lead screw 107 to vertically move, at the moment, the pressurizing piston 110 extrudes the space inside the filling barrel 101 to discharge the liquid inside the filling barrel outwards, the position of the pressurizing piston 110 during the liquid discharge is below a liquid injection port at the top of the filling barrel 101, then the centrifugal motor 105 rotates the centrifugal wheel 104 in a reverse direction to enable the centrifugal shifting piece 106 to shift the nut shifting piece 108 in an opposite direction, at the moment, the pressurizing piston 110 moves upwards to match with the pressurizing one-way valve 111 to enable air to enter the filling barrel 101, and then the steps are repeated again to fulfill the aim of pressurizing the liquid inside the filling barrel 101 so that the liquid inside the filling barrel 101 flows more smoothly, by controlling the rotation speed of the centrifugal motor 105, the outward movement distance of the centrifugal plectrum 106 is changed, the three groups of filling barrels 101 are provided with corresponding nut plectrums 108, and the diameters of the nut plectrums 108 on different filling barrels 101 are different, so that the rotation speed of the centrifugal motor 105 is controlled, and the centrifugal plectrum 106 can be selected to be in contact with the nut plectrums 108 with different diameters.

As shown in fig. 5-7 and fig. 19, three excess barrels 124 are fixedly mounted on the base 128, the inner walls of the three excess barrels 124 are all connected with an excess piston 123 in a sliding manner, an excess spring 125 is fixedly mounted between the excess piston 123 and the bottom surface of the inner wall of the excess barrel 124, the interiors of the three excess barrels 124 are communicated with the three groups of weighing cavities 119 through an excess recovery pipe 122, the bottom ends of the three groups of weighing cavities 119 are communicated through a four-way pipe 167, an electromagnetic valve 127 is fixedly connected at the joint of the four-way pipe 167 and the weighing cavity 119 and used for controlling liquid in the weighing cavities 119 to flow into the four-way pipe 167, a pressure storage barrel support 129 is fixedly mounted on the base 128, a pressure storage barrel 130 is fixedly mounted on the pressure storage barrel support 129, a pressure storage barrel 131 is connected on the inner wall of the pressure storage barrel 130 in a sliding manner, a pressure storage spring 132 is fixedly mounted between the pressure storage piston 131 and the ground surface of the inner wall of the pressure storage barrel 130, and a filter 133 is fixedly mounted on the bottom end of the pressure storage barrel 130, and the inside of the pressure storage barrel 130 is communicated with the inside of the corresponding weighing cavity 119 through three pressure storage pipes 135, a driving support frame 134 is arranged above the pressure storage barrel 130, the driving support frame 134 is fixedly connected with the pressure storage barrel support 129, a top control frame 136 is fixedly connected onto the driving support frame 134, a central belt wheel 143 is rotatably mounted in the middle of the top control frame 136, a linkage belt wheel 140 is further rotatably mounted on the driving support frame 134, and the central belt wheel 143 and the three linkage belt wheels 140 are rotatably connected through a primary transmission belt 141.

As shown in fig. 8-21, the top control frame 136 is fixedly connected with a control electric cylinder 137 through a control electric cylinder bracket 138, a switching driving motor 145 is fixedly connected to a telescopic rod of the control electric cylinder 137, a switching upper driving gear 148 is fixedly connected to an output shaft of the switching driving motor 145, a switching lower driving gear 151 is fixedly connected to the lower portion of the switching upper driving gear 148 through a connecting shaft, a constant rotation gear 150 is spline-fitted to the connecting shaft, the constant rotation gear 150 is slidably connected to the connecting shaft, the constant rotation gear 150 is rotatably mounted on the driving support frame 134 through a switching gear bracket 144, that is, a user controls the control electric cylinder 137 to make the telescopic rod thereof drive the switching driving motor 145 to move up and down, the switching driving motor 145 moves up and down to drive the switching upper driving gear 148 and the switching lower driving gear 151 on the output shaft thereof to move up and down together, it should be noted that the constant rotation gear 150 and the switching gear bracket 144 are only in a rotational connection, and do not vertically displace with each other, that is, when the switching driving motor 145 is started, the output shaft thereof drives the switching upper driving gear 148, the constant rotation gear 150 and the switching lower driving gear 151 to rotate together.

The driving support 134 is further rotatably provided with a middle side rack 155 through a middle side rack support plate 157, the middle side rack 155 is rotatably connected with a middle side tooth 156, the middle side rack 155 and the middle side tooth 156 are in transition fit, the upper surface of the middle side tooth 156 is engaged with the middle side rack support plate 157, an insertion shifting sheet 161 is fixedly arranged on the middle side rack support plate 157, the insertion shifting sheet 161 is rotatably arranged on the middle side rack 155, an insertion electric cylinder 160 is arranged on the side of the insertion shifting sheet 161, the insertion electric cylinder 160 is fixedly arranged on the middle side rack 155, and an insertion block 159 is fixedly connected on a telescopic rod of the insertion electric cylinder 160.

The top control frame 136 is fixedly provided with three limiting pieces 139, the driving support frame 134 is rotatably provided with three control rods 116, one end of each control rod 116, which is close to the insertion shifting piece 161, is provided with a groove matched with the insertion shifting piece 161, one end of each control rod 116, which is far away from the insertion shifting piece 161, is fixedly connected with a control gear 117, the control gear 117 is rotatably connected to the filling barrel 101, a filling screw 114 is slidably arranged in the filling cavity 112, the outer surface of the filling screw 114 is provided with a filling nut gear 115, the filling nut gear 115 is in gear engagement with the control gear 117, the filling nut gear 115 is rotatably connected with the filling cavity 112, when the control rods 116 rotate, the control gear 117 rotates together, the control gear 117 rotates to drive the filling nut gear 115 to rotate, the filling nut gear 115 rotates to drive the filling screw 114 to linearly move, and the specification is needed, the liquid injection screw 114 is in an eccentric state in the liquid injection cavity 112, so the liquid injection nut gear 115 cannot drive the liquid injection screw 114 to rotate, the liquid injection screw 114 can be moved linearly to control the on-off of the liquid injection cavity 112, a plugging head is arranged at the end of the liquid injection screw 114, and the axis of the plugging head is not overlapped with the axis of the liquid injection screw 114, so that in order to prevent the liquid injection screw 114 from rotating, namely the plugging head is connected to the liquid injection cavity 112 in a sliding manner, when the plugging head moves into the vertical passage of the liquid injection cavity 112, the vertical passage of the liquid injection cavity 112 is cut off, and thus the liquid in the filling barrel 101 is prevented from flowing out downwards.

As shown in fig. 1-21, a bottom driving gear bracket 162 is further fixedly mounted on the driving support frame 134, a bottom driving gear 154 is rotatably connected to the bottom driving gear bracket 162, a middle portion of the bottom driving gear 154 is fixedly connected to a switching lower gear 152 through a switching lower link 153, a top end of the switching lower link 153 is rotatably connected to the switching upper link 146, a top end of the switching upper link 146 is fixedly connected to the central pulley 143, and a switching upper gear 147 is further fixedly connected to the switching upper link 146, wherein the top end of the switching upper link 146 is also rotatably connected to the top control frame 136, the constant rotation gear 150 is in gear engagement with the middle side gear 156, the switching upper driving gear 148 and the switching lower driving gear 151 selectively mesh the switching upper driving gear 148 with the switching upper gear 147 or mesh and do not mesh the switching lower driving gear 151 with the switching lower gear 152 when moving up and down, that is, the output shaft of the switching drive motor 145 will always drive the middle side gear 156 to rotate through the constant rotation gear 150, the rotation of the middle side gear 156 will drive the middle side rack 155 to rotate together due to the action of friction force, the rotation of the middle side rack 155 will drive the insertion shifting plate 161 rotatably mounted thereon to revolve, at this time, the middle side rack support plate 157 will also revolve together with the user and will not rotate, because the middle side rack 155 and the middle side gear 156 are relatively stationary, when one of the injection cavities 112 needs to be in the open state, the insertion shifting plate 161 will revolve to the corresponding control rod 116, the switching drive motor 145 will be turned off, the insertion electric cylinder 160 will be turned on, the insertion block 159 thereof will be inserted into the corresponding stopper 139, the switching drive motor 145 will be turned on again, because the middle side rack 155 is limited by the stopper 139, the middle side gear 156 will not drive the middle side rack 155 to rotate, at this time, the middle side rack 155 and the middle side teeth 156 rotate relatively, so the middle side rack support plate 157 and the inserting shifting piece 161 rotate, at this time, because the inserting shifting piece 161 and the control rod 116 are already engaged, the control rod 116 rotates, the corresponding liquid injection chamber 112 is opened or closed, when the switching upper driving gear 148 is engaged with the switching upper gear 147, the switching upper gear 147 drives the center pulley 143 to rotate through the switching upper connecting rod 146, the center pulley 143 rotates and drives the linkage pulley 140 to rotate through the primary driving belt 141, the linkage pulley 140 rotates and drives the storage nut pulley 165 to rotate through the secondary driving belt 142, it should be noted that the storage nut pulley 165 is rotatably installed on the filling barrel 101 through the storage nut pulley support 113, the storage nut pulley 165 is connected with a margin control lead screw 149 through a thread, the bottom end of the margin control lead screw 149 is fixedly connected with a margin control plate 164, the margin control plate 164 is further fixedly connected with a margin control rotation preventing rod 166, the margin control rotation preventing rod 166 is slidably connected with the storage nut pulley bracket 113, a margin control block 163 is connected in series with the middle of the margin recovery pipe 122, the margin control plate 164 is inserted in the margin control block 163, and a through hole is formed in the margin control plate 164, that is, when the through hole is aligned with the pipe of the margin recovery pipe 122, the margin control block 163 is in an open state, and the margin control plate 164 is provided with three, and the positions of the through holes formed in the three margin control plates 164 are different, so that although the three margin control plates 164 move up and down together, the opening of different margin control blocks 163 is not simultaneous, so that one of the margin control blocks 163 can be selectively opened in sequence, when the lower driving gear 151 is switched to mesh with the lower gear 152, the switching lower gear 152 can drive the bottom driving gear 154 to rotate through the switching lower connecting rod 153, the bottom driving gear 154 can drive the storage and release nut gear 1585 to rotate, the storage and release nut gear 1585 rotates to drive the storage and release screw 1584 in the middle to vertically move, the bottom end of the storage and release screw 1584 is fixedly connected with a storage and release plate 1581, the storage and release plate 1581 is further fixedly connected with a storage and release anti-rotation rod 1583, the storage and release anti-rotation rod 1583 and the storage and release screw 1584 are both in sliding connection with the bottom driving gear support 162, a through hole is also formed in the storage and release plate 1581, a storage and release block 1582 is connected in series in the storage and release pipe 135, the storage and release plate 1581 is inserted into the storage and release block 1582, the working principle and the implementation functions of the storage and release plate are the same as those of the residual control plate 164, the purpose of controlling the on-off of the storage and release block 1582 is not described again here.

When the liquid storage device is used, liquid to be weighed is filled into the filling barrel 101, then the liquid filling cavity 112 is controlled, the liquid flows into the bottom of the weighing cavity 119 through the liquid filling telescopic cylinder 120, meanwhile, the interior of the filling barrel 101 is pressurized by controlling the repeated up-and-down movement of the pressurizing piston 110, the liquid flows into the weighing cavity 119 more easily, the weighing piston 126 moves upwards along with the increase of the liquid, so that the liquid filling telescopic cylinder 120 and the residual telescopic cylinder 121 contract, air on the upper portion of the weighing piston 126 is squeezed into the pressure storage barrel 130 through the pressure storage pipe 135, the pressure storage piston 131 moves downwards, the storage release block 1582 is opened and closed again after use, the pressure storage spring 132 compresses, when the liquid in the weighing cavity 119 is full, if excess liquid exists, the excess liquid flows into the residual telescopic cylinder 121 and the residual recovery pipe 122 for storage, and when the liquid in the subsequent weighing cavity 119 is insufficient, and then the liquid is discharged back, at this time, the allowance control block 163 is in an open state, and is closed again after being used up, the liquid injection cavity 112 is closed, the filling of the weighing cavity 119 is stopped, the electromagnetic valve 127 and the storage release block 1582 are opened, so that the liquid flows into the four-way pipe 167, a user is caught by a container at the water outlet of the four-way pipe 167, the air in the pressure storage barrel 130 reversely flows into the weighing cavity 119 under the action of the pressure storage spring 132, the liquid in the weighing cavity 119 is squeezed out, then the filling and weighing processes of the other two liquids in the filling barrel 101 are the same as the above processes, and the description is omitted here.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a liquid filling is with quantitative filling machine, includes filling bucket (101), its characterized in that: bottom fixed mounting stock solution mechanism of filling bucket (101), stock solution mechanism is including weighing chamber (119), it has weighing piston (126) to weigh sliding mounting on chamber (119), it has liquid telescopic cylinder (120) and surplus telescopic cylinder (121) to weigh on piston (126), it annotates liquid telescopic cylinder (120) and the top of surplus telescopic cylinder (121) fixedly connected with respectively annotates liquid chamber (112) and surplus recovery tube (122), it annotates the top of liquid chamber (112) and the bottom intercommunication of filling bucket (101), and it goes up fixed mounting and annotates liquid check valve (118) to annotate liquid chamber (112).

2. A dosing and filling machine for liquid filling as claimed in claim 1, characterized in that: the filling barrel (101) and the weighing cavity (119) are fixedly mounted on a filling barrel support (102), the filling barrel support (102) is fixedly mounted on a base (128), a liquid injection port is formed in the top of the filling barrel (101), a pressurizing piston (110) is slidably mounted on the inner wall of the filling barrel (101), a pressurizing one-way valve (111) is fixedly mounted on the pressurizing piston (110), a pressurizing lead screw (107) is fixedly mounted at a position, deviating from the circle center, of the pressurizing piston (110), a pressurizing nut block (109) is fixedly connected to the outer surface of the pressurizing lead screw (107), the pressurizing nut block (109) is rotatably mounted on the filling barrel (101), and a nut shifting piece (108) is fixedly mounted on the pressurizing nut block (109).

3. A dosing and filling machine for liquid filling as claimed in claim 2, characterized in that: the utility model discloses a liquid balance weighing device, including base (128), three surplus bucket (124) of last fixed mounting of base (128), the equal sliding connection of inner wall of three surplus bucket (124) has surplus piston (123), and fixed mounting has surplus spring (125) between the bottom surface of surplus piston (123) and surplus bucket (124) inner wall to the inside and the three group of surplus bucket (124) weigh chamber (119) and communicate through equal surplus recovery tube (122), the bottom of weighing chamber (119) of three group is through four-way pipe (167) intercommunication, and four-way pipe (167) and weigh chamber (119) junction fixedly connected with solenoid valve (127) for the liquid flow in chamber (119) is weighed in control reaches four-way pipe (167).

4. A dosing machine for liquid filling as claimed in claim 3, characterized in that: fixed mounting has pressure storage barrel support (129) on base (128), fixed mounting has pressure storage barrel (130) on pressure storage barrel support (129), the inner wall sliding connection of pressure storage barrel (130) has pressure storage piston (131), fixed mounting has pressure storage spring (132) between pressure storage piston (131) and the ground of pressure storage barrel (130) inner wall, and the bottom fixed mounting of pressure storage barrel (130) has filter tip (133), and the inside of pressure storage barrel (130) is through three pressure storage pipe (135) and the inside intercommunication that weighs chamber (119) with corresponding.

5. A dosing and filling machine for liquid filling as claimed in claim 4, characterized in that: the top of storage pressure bucket (130) is provided with drive support frame (134), drive support frame (134) and storage pressure bucket support (129) fixed connection, fixedly connected with top control frame (136) on drive support frame (134), and central band pulley (143) are installed in the rotation of the middle part of top control frame (136) to still rotate on drive support frame (134) and install linkage band pulley (140), rotate through one-level drive belt (141) between central band pulley (143) and three linkage band pulley (140) and be connected.

6. A dosing and filling machine for liquid filling as claimed in claim 5, characterized in that: the top control frame (136) is gone up through control electric jar support (138) fixedly connected with control electric jar (137), fixedly connected with switches driving motor (145) on the telescopic link of control electric jar (137), fixedly connected with switches driving drive gear (148) on the output shaft of switching driving motor (145), switches driving drive gear (151) down through connecting axle fixedly connected with switching in the below of driving drive gear (148), and spline fit has permanent change gear (150) on this connecting axle, permanent change gear (150) rotate through switching gear support (144) and install on drive support frame (134).

7. A dosing and filling machine for liquid filling as claimed in claim 6, characterized in that: the electric bicycle is characterized in that a middle side rack (155) is rotatably mounted on the driving support frame (134) through a middle side rack support plate (157), a middle side tooth (156) is rotatably connected to the middle side rack (155), a middle side rack support plate (157) is meshed with an upper surface gear of the middle side tooth (156), an insertion shifting sheet (161) is fixedly mounted on the middle side rack support plate (157), the insertion shifting sheet (161) is rotatably mounted on the middle side rack (155), an insertion electric cylinder (160) is arranged on the side of the insertion shifting sheet (161), the insertion electric cylinder (160) is fixedly mounted on the middle side rack (155), and an insertion block (159) is fixedly connected to a telescopic rod of the insertion electric cylinder (160).

8. A dosing and filling machine for liquid filling as claimed in claim 7, characterized in that: top control frame (136) fixed mounting has three spacing piece (139), rotate on drive support frame (134) and install three control lever (116), control lever (116) are close to the one end of inserting plectrum (161) and seted up and insert plectrum (161) complex recess, the one end fixedly connected with control gear (117) of inserting plectrum (161) are kept away from in control lever (116), and control gear (117) rotate to be connected on filling bucket (101), annotate slidable mounting in liquid chamber (112) and annotate liquid lead screw (114), the surface threaded mounting who annotates liquid lead screw (114) has notes liquid nut gear (115), annotates liquid nut gear (115) and control gear (117) gear engagement.

9. A dosing and filling machine for liquid filling as claimed in claim 8, characterized in that: still fixed mounting has bottom drive gear support (162) on drive support frame (134), rotates on bottom drive gear support (162) and is connected with bottom drive gear (154), and the middle part of bottom drive gear (154) is through switching connecting rod (153) fixed connection through switching down gear (152) down, the top of switching connecting rod (153) is rotated and is connected with switching connecting rod (146), switches the top and central band pulley (143) fixed connection of connecting rod (146) to it switches gear (147) to go up still fixedly connected with on connecting rod (146) to switch.