阅读说明：本技术 一种高精度灌装设备 (High-precision filling equipment ) 是由 陈苑平 梁浩伟 于 2019-11-20 设计创作，主要内容包括：本发明公开了一种高精度灌装设备,涉及包装作业机械领域,针对完成灌装后管道内的残留液体继续滴落至分装瓶的问题,提供了以下技术方案,包括箱体和装有待灌装流体的灌装室,灌装室开有出料口,箱体内设置有控制系统,箱体外设有重量传感器,重量传感器与控制系统联接,出料口连接有加压接头,加压接头朝向灌装室的方向连接有导气管,加压接头连通有气泵,气泵与控制系统联接,气泵经加压接头与导气管连通,加压接头远离灌装室的一端连接有导流管,箱体的外表面设有控制导流管的控流钳,控流钳朝向导流管的端部沿水平面倾斜向上设置,达到提高灌装精度的目的。(The invention discloses high-precision filling equipment, which relates to the field of packaging operation machinery and aims at solving the problem that residual liquid in a pipeline continuously drops into a split bottle after filling is finished.)

1. The utility model provides a high accuracy filling equipment, includes the box and is equipped with the filling room of treating the filling fluid, the filling room is opened there is the discharge gate, be provided with control system in the box, be equipped with weighing transducer outside the box, weighing transducer and control system hookup, its characterized in that: the discharge port is connected with a pressurizing connector, the pressurizing connector is connected with an air guide pipe in the direction towards the filling chamber, the pressurizing connector is communicated with an air pump, the air pump is connected with a control system, the air pump is communicated with the air guide pipe through the pressurizing connector, one end, far away from the filling chamber, of the pressurizing connector is connected with a flow guide pipe, flow control pliers for controlling the flow guide pipe are arranged on the outer surface of the box body, and the flow control pliers are obliquely and upwards arranged towards the end part of the flow guide pipe along the horizontal plane.

2. A high accuracy filling apparatus according to claim 1, wherein: the box is internally provided with a double-shaft extension screw rod stepping motor, the double-shaft extension screw rod stepping motor is connected with a control system, and one end of the flow control clamp, far away from the flow guide pipe, is connected with the double-shaft extension screw rod stepping motor.

3. A high accuracy filling apparatus according to claim 1, wherein: the outer surface of the box body is provided with a touch panel, and the touch panel is connected with a control system in the box body.

4. A high accuracy filling apparatus according to claim 1, wherein: the surface of the box body is provided with an upper clamp for fixing the pressurizing connector, the upper clamp is provided with a first through hole for accommodating the pressurizing connector along the vertical direction, a first compression screw penetrates through the side surface of the upper clamp, and one end of the first compression screw protrudes out of the inner wall of the first through hole through the upper clamp.

5. A high accuracy filling apparatus according to claim 1, wherein: the one end that the honeycomb duct kept away from the pressurization and connects can be dismantled and be connected with and penetrate the mouth, the internal diameter that penetrates the mouth is less than the internal diameter of honeycomb duct.

6. A high accuracy filling apparatus according to claim 5, wherein: the surface of the box body is provided with a lower clamp for fixing the nozzle, the lower clamp is provided with a second through hole for accommodating the nozzle along the vertical direction, the side surface of the upper clamp is provided with a second compression screw in a penetrating manner, and one end of the second compression screw protrudes out of the inner wall of the second through hole through the lower clamp.

7. A high accuracy filling apparatus according to claim 1, wherein: the one end that the discharge gate was kept away from to the pressurization joint is connected with the ejection of compact house steward, the pressurization connects through ejection of compact house steward and honeycomb duct intercommunication, the surface of box is equipped with the peristaltic pump, the ejection of compact house steward is connected with the peristaltic pump.

8. A high accuracy filling apparatus according to claim 7, wherein: and a power switch circuit is arranged in the peristaltic pump, and the control system is connected with the power switch circuit of the peristaltic pump.

Technical Field

The invention relates to the field of packaging operation machinery, in particular to high-precision filling equipment.

Background

The filling machine is a packaging machine, widely applied to the industries of food, cosmetics, medicines and the like, and generally performs split charging on liquid products according to the packaging requirements of the products after the liquid products are subjected to mass production by the filling machine on a production line.

Chinese patent with application number CN201820210775.5 discloses a liquid filling machine with accurate measurement, including filling room, frame and the fixed part of setting in the frame bottom, be provided with the weight inductor on the fixed part, the weight inductor is connected with control panel, and when the filling reachd required weight, control panel control lid closed the filling bottle, accomplishes the filling.

Although the filling machine realizes the automatic control of filling to a certain extent through the weight sensor, the liquid in the guide pipe still can continuously drip into the filling bottle under the action of self gravity after the filling is finished, and the filling amount error of the filling is improved.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide high-precision filling equipment which has the advantage of improving the filling precision.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a high accuracy filling equipment, includes the box and is equipped with the filling room of treating the filling fluid, the filling room is opened there is the discharge gate, be provided with control system in the box, the box is equipped with weighing transducer outward, weighing transducer and control system hookup, the discharge gate is connected with the pressurization and connects, the direction that the pressurization connects towards the filling room is connected with the air duct, the pressurization connects the intercommunication to have the air pump, the air pump is linked with control system, the air pump connects through the pressurization and communicates with the air duct, the one end that the filling room was kept away from to the pressurization connects is connected with the honeycomb duct, the surface of box is equipped with the accuse of control honeycomb duct and flows pincers, accuse flows pincers and upwards sets up along the horizontal plane.

By adopting the technical scheme, the control system sends a working instruction to the air pump, so that the air pump provides leading-in gas into the filling chamber through the air guide pipe, the air pressure of the inner cavity of the filling chamber is improved, liquid in the filling chamber sequentially flows through the discharge port and the pressurizing connector under the action of the air pressure and the self gravity and finally enters the sub-filling bottle on the weight sensor, when the weight of the sub-filling bottle reaches a set value in the control system in advance, the weight sensor sends a signal to the control system, so that the control system stops the work of the air pump, and meanwhile, the flow control pliers are extruded towards the middle direction of the flow guide pipe, so that the liquid in the flow.

Gas is pumped into the filling chamber through the gas pump, so that the pressure in the filling chamber is improved, the kinetic energy of the liquid to be filled is increased, and the filling efficiency is improved; the air pump is connected with the control system, so that the starting and stopping of the air pump and the speed of introducing air are controlled by the control system, and automatic work is realized; because the density of the gas introduced by the gas pump is less than that of the liquid with filling, one end of the gas guide pipe, which is far away from the pressurizing connector, is arranged towards the inside of the filling chamber, so that the gas can rapidly move towards the top of the inner cavity of the filling chamber after entering the filling chamber, and the situation that the filling is blocked due to the retention of the gas at the pressurizing connector is reduced; the split charging bottles are arranged on the weight sensors, on one hand, the weight sensors play a role in fixing the split charging bottles, on the other hand, the weight of the split charging bottles is monitored in real time in the process of filling the split charging bottles, and the filling progress is adjusted through the control device, so that the accurate regulation and control of the filling work are realized; the partial liquid still exists in the water conservancy diversion pipe after stopping the work of air pump, this moment accuse flow pincers make the honeycomb duct be in the confined state through the extrusion honeycomb duct, the liquid in the restriction honeycomb duct continues to drip, because accuse flow pincers upwards set up along the horizontal plane slope towards the tip of honeycomb duct, there is the ascending motion trend along vertical direction at the tip of the in-process accuse flow pincers extrusion honeycomb duct contact of accuse flow pincers, thereby drive the liquid in the honeycomb duct along honeycomb duct length direction upward movement thereupon, the inside atmospheric pressure of honeycomb duct vertical direction lower extreme has been reduced, prevent the inside liquid of honeycomb duct lower extreme from dripping under self gravity, reduce the liquid in the honeycomb duct and continue to drip the probability in the split charging bottle, the precision of filling has been improved.

Preferably, a double-shaft lead screw stepping motor is arranged in the box body, the double-shaft lead screw stepping motor is connected with the control system, and one end of the flow control clamp, far away from the flow guide pipe, is connected with the double-shaft lead screw stepping motor.

Adopt above-mentioned technical scheme, stretch lead screw step motor through the biax and provide the power supply for accuse flow pincers, utilize control system to regulate and control the motion state of accuse flow pincers, control system controls accuse flow pincers immediately when receiving the signal of weight inductor and extrudees the honeycomb duct, and the liquid in the restriction honeycomb duct continues to drip, realizes the accurate regulation and control of filling process, improves the precision of filling.

Preferably, the outer surface of the box body is provided with a touch panel, and the touch panel is connected with a control system in the box body.

By adopting the technical scheme, the parameters of the control system are set through the touch panel, the preset program is displayed in the touch panel, so that the operating personnel can directly operate the filling equipment in the scheme, the operation difficulty is reduced, and the application range of the filling equipment is expanded.

Preferably, the surface of the box body is provided with an upper clamp for fixing the pressurizing connector, the upper clamp is provided with a first through hole for accommodating the pressurizing connector along the vertical direction, a first compression screw penetrates through the side surface of the upper clamp, and one end of the first compression screw protrudes out of the inner wall of the first through hole through the upper clamp.

Adopt above-mentioned technical scheme, the pressurization connects and runs through to set up in first through-hole, through the effect of first housing screw to the effect of applying force to the pressurization joint, has increased the effort between pressurization joint and the first through-hole inner wall to increased the frictional force of first through-hole inner wall to the pressurization joint, reduced the pressurization and connect the probability that drops in following first through-hole, improved the stability that goes up anchor clamps centre gripping pressurization joint.

Preferably, one end of the flow guide pipe, which is far away from the pressurizing connector, is detachably connected with a nozzle, and the inner diameter of the nozzle is smaller than that of the flow guide pipe.

By adopting the technical scheme, the inner diameter of the nozzle is smaller than that of the flow guide pipe, so that the unit flow of liquid entering the nozzle from the flow guide pipe is reduced, the liquid in the flow guide pipe can be stopped from dripping into the split charging bottle in time when the filling is finished, and the filling precision is improved; the nozzle is detachably connected with the flow guide pipe, and the amount of the split charging is changed according to production requirements at different moments when the split charging is required, so that the application range of the filling equipment is expanded.

Preferably, the surface of the box body is provided with a lower clamp for fixing the nozzle, the lower clamp is provided with a second through hole for accommodating the nozzle along the vertical direction, the side surface of the upper clamp is provided with a second compression screw in a penetrating manner, and one end of the second compression screw protrudes out of the inner wall of the second through hole through the lower clamp.

By adopting the technical scheme, the nozzle penetrates through the second through hole, and the acting force between the nozzle and the inner wall of the second through hole is increased by applying the action of the second compression screw on the nozzle, so that the friction force of the inner wall of the second through hole on the nozzle is increased, the probability of dropping the nozzle from the second through hole is reduced, and the stability of the lower clamp for clamping the nozzle is improved; because the inner wall of the nozzle can be impacted by the flowing fluid on the inner wall of the nozzle in the filling process, the probability of the dislocation of the nozzle and the bottle opening of the split bottle is reduced by fixing the nozzle by the lower clamp.

Preferably, the end of the pressurizing connector, which is far away from the discharge port, is connected with a discharge main pipe, the pressurizing connector is communicated with the guide pipe through the discharge main pipe, the outer surface of the box body is provided with a peristaltic pump, and the discharge main pipe is connected with the peristaltic pump.

Adopt above-mentioned technical scheme, liquid in the drive discharge main through the peristaltic pump flows towards the direction of honeycomb duct to make the interior liquid of filling chamber continuously flow towards the direction of discharge main under the effect of atmospheric pressure, improved the kinetic energy of liquid when carrying out the filling, drive liquid when the liquid viscosity of treating the filling great and flow towards in the split charging bottle, accomplish the partial shipment, enlarge the liquid scope that this filling equipment was suitable for.

Preferably, a power switch circuit is arranged in the peristaltic pump, and the control system is connected with the power switch circuit of the peristaltic pump.

By adopting the technical scheme, the power switch circuit of the peristaltic pump is controlled by the control system, the peristaltic pump is started and stopped, the control system sends signals through the weight sensor, the control system controls the peristaltic pump to start and stop, the peristaltic speed of the peristaltic pump is adjusted according to the filling work progress, the control system controls the peristaltic pump to be more accurate compared with the manual control of starting and stopping the peristaltic pump, and the filling quantity difference of the sub-filling bottles after filling is reduced.

In conclusion, the invention has the following beneficial effects:

1. the atmospheric pressure in the filling chamber is improved through the air pump, the liquid is driven to fill in the direction of the split filling bottles, and the influence of the viscosity of the liquid on the filling precision is reduced;

2. the liquid in the flow guide pipe continuously drips when the filling work is finished through the flow control pliers, so that the filling precision is improved;

3. through the connection of the weight sensor and the control system, the weight of the split charging bottle is monitored in real time in the filling process, and an instruction is sent to the control system according to the weight, so that the control system regulates and controls the power source of the equipment according to the filling condition, the automatic filling is realized, and the split charging difference is reduced.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment 1 of a high-precision filling apparatus according to the present invention.

Fig. 2 is an enlarged schematic view of a in fig. 1.

Fig. 3 is a schematic structural diagram of a flow control clamp 8 in a high-precision filling device according to the present invention.

Fig. 4 is a schematic structural diagram of a high-precision filling apparatus in embodiment 2 of the present invention.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the device comprises a box body 1, a filling chamber 2, a weight sensor 3, a pressurizing connector 4, an air pump guide pipe 5, a guide pipe 6, a touch panel 7, a flow control clamp 88, a material receiving elastic sheet 9, a double-shaft lead screw stretching rod stepping motor 10, a linear bearing 11, an upper clamp 12, a first through hole 13, a first compression bolt 14, a nozzle 15, a lower clamp 16, a second through hole 17, a second compression bolt 18, a discharge main pipe 19, a peristaltic pump 20, a discharge branch pipe 21, a barrel body hanger 22, a split charging bottle 23 and a push plate 24.