Filling and pushing device

Abstract

A filling and pushing device is characterized in that a filling nozzle assembly is arranged at the upper end of a rack, a filling nozzle is arranged on one side of the filling nozzle assembly, the other side of the filling nozzle assembly is connected with the discharging ends of three rotary valves, the upper ends of the three rotary valves are communicated with corresponding three-color feeding pipes respectively, and the three rotary valves are connected with rotary valve cams through rotary valve switch rod assemblies; the rotary valves are driven by the rotary valve cams to be communicated with the three-color feeding pipe, the rear ends of the three rotary valves are correspondingly connected with the three-color filling pump assemblies, and driving parts of the three-color filling pump assemblies are driven by the servo motors, so that the three-color filling pump assemblies drive materials in the corresponding rotary valves to be sprayed out through filling nozzles of the filling nozzle assemblies. The three-color filling machine has the advantages of high running speed, high efficiency, simple structure, high stability, low failure rate, small occupied space and capability of effectively realizing three-color filling.

Description

Technical Field

[0001] The present invention relates to a filling and pushing device. Background Art

[0002] When the existing filling and pushing device alternately or simultaneously pushes three kinds of materials, it is prone to problems such as poor running stability, high failure rate, insufficient pushing, and easy leakage. Summary of the Invention

[0003] The purpose of the present invention is to solve the deficiencies in the prior art and propose a filling and pushing device.

[0004] To achieve the above purpose, the present invention adopts the following technical solutions: A filling and pushing device includes a frame, a servo motor, a filling nozzle assembly, a three-color feeding pipe, a three-color filling pump assembly, a rotary valve, a rotary valve cam, and a rotary valve switch rod assembly. The filling nozzle assembly is provided at the upper end of the frame. One side of the filling nozzle assembly is a filling nozzle, and the other side of the filling nozzle assembly is connected to the discharge ends of three rotary valves. The upper ends of the three rotary valves are respectively communicated with the corresponding three-color feeding pipes. The three rotary valves are connected to the rotary valve cam through the rotary valve switch rod assembly. The rotary valve is driven by the rotary valve cam to communicate with the three-color feeding pipe. The rear ends of the three rotary valves are correspondingly connected to the three-color filling pump assembly. The driving part of the three-color filling pump assembly is driven by the servo motor, so that the three-color filling pump assembly drives the materials in the corresponding rotary valve to be ejected from the filling nozzle of the filling nozzle assembly.

[0005] Further, the rotary valve includes an inner bladder, an outer bladder, a rotary valve spool, a housing, a rotary valve seat, and a rotary valve shaft. The rear end of the housing is provided with a first connection port. The lower side of the front end of the housing is provided with an inclined discharge end. The upper end of the housing is provided with a feed port. The rear end of the inner bladder is rotatably and sealingly connected to the first connection port. The rotary valve spool is arranged on the rotary valve seat. The front end of the inner bladder is connected to the rotary valve spool and is rotationally sealed by the rotary valve seat. The rotary valve shaft passes through the housing and the rotary valve seat and is connected to the rotary valve spool. The rotation of the rotary valve shaft drives the rotary valve spool, driving the inner bladder to rotate. The outer bladder is arranged outside the inner bladder. The inner wall of the outer bladder is slidably sealed with the outer wall of the inner bladder. The rear end of the outer bladder is sealingly connected to the first connection port. The upper end of the outer bladder is provided with an outer bladder feed port communicated with the feed port. The lower end of the outer bladder is provided with an outer bladder discharge port communicated with the inclined discharge end. The inner bladder is provided with an inner bladder feed port and an inner bladder discharge port. The inner bladder feed port and the inner bladder discharge port are selectively communicated with the outer bladder feed port and the outer bladder discharge port.

[0006] Further, the inner bladder feed port and the inner bladder discharge port form a 90-degree angle on the outer bladder. The outer bladder feed port and the outer bladder discharge port are on the vertical axis of the outer bladder. Both the inner bladder and the outer bladder are cylindrical.

[0007] Furthermore, the rotary valve switch rod assembly includes a rotary valve swing arm, a switch connecting rod, a fixed arm, a rotary valve switch slider, and a lifting rod assembly. One end of the rotary valve swing arm is connected to the outside of the rotary valve rotating shaft, and the other end of the rotary valve swing arm is rotatably connected to the switch connecting rod. Both ends of the switch connecting rod are respectively connected to the upper ends of the corresponding fixed arms. The lower ends of the two fixed arms are fixedly connected to both sides of the rotary valve switch slider. The front end of the rotary valve switch slider is fitted on the first track on the front end wall of the frame. The lower ends of both sides of the rotary valve switch slider are connected to the upper end of the lifting rod assembly. The upper and lower ends of the lifting rod assembly are rotatably connected to one side of the rotary valve cam swing arm. The other side of the rotary valve cam swing arm is rotatably connected to the swing arm shaft. Both ends of the swing arm shaft are connected to the two side walls of the frame. A convex cam slider is provided in the middle of the rotary valve cam swing arm. The rotary valve cam is arranged on the cam rotating shaft. Both ends of the cam rotating shaft are arranged on the two side walls of the frame and are driven to rotate by a motor. The cam slider is fitted in the irregular track of the rotary valve cam. By rotating the rotary valve cam, the lifting rod assembly is driven to lift and lower, driving the inner tank in the rotary valve to rotate.

[0008] Furthermore, a horizontal long hole is provided on the switch connecting rod, and a rocker roller is provided at the other end of the rotary valve swing arm. The rocker roller is limited in the long hole.

[0009] Furthermore, the three-color filling pump assembly includes a piston rod, a piston head, a piston cylinder, a V-shaped swing arm, a V-shaped swing arm shaft, a V-shaped swing arm connecting rod, a motor base, a servo motor, a driving screw, and a driving slider. One end of the piston cylinder is connected to the first connection port. A piston head is provided in the piston cylinder. One end of the piston rod extends into the piston cylinder from the other end and is connected to the piston head to drive the piston head to perform a piston movement. One end of the V-shaped swing arm is rotatably connected to the other end of the piston rod, and the other end of the V-shaped swing arm is rotatably connected to the upper end of the V-shaped swing arm connecting rod. The V-shaped lower end of the V-shaped swing arm passes through the V-shaped swing arm shaft and is rotatably connected to the V-shaped swing arm. The lower end of the V-shaped swing arm connecting rod is rotatably connected to the driving slider. The driving slider is penetrated by the driving screw and is threadedly connected to the driving screw. The lower end of the driving screw is connected to the servo motor. The servo motor drives the driving screw to rotate. A motor base is provided on the servo motor. The driving screw passes through the motor base. A second track is provided on the side wall of the motor base. One end of the driving slider is fitted with the second track and moves up and down along the second track.

[0010] Furthermore, the side wall of the motor base is connected to the two side walls of the frame, and both ends of the V-shaped swing arm shaft are arranged on the two side walls of the frame.

[0011] Furthermore, three three-color filling pump assemblies are respectively connected to the corresponding three rotary valves. The orientations of the V-shaped swing arms of the three-color filling pump assemblies in the middle among the three three-color filling pump assemblies are opposite to those of the V-shaped swing arms of the three-color filling pump assemblies on both sides. Moreover, the servo motor of the middle three-color filling pump assembly is arranged in front of the servo motors of the three-color filling pump assemblies on both sides, and the three servo motors are in a triangular formation.

[0012] Furthermore, the lifting rod assembly is also provided with a limiting component.

[0013] A mechanism with a filling and lifting device, where at least two filling and lifting devices are provided on the frame, and the lower ends of the three-color feeding pipes are bifurcated and connected to the two filling and lifting devices respectively.

[0014] The beneficial effects of the present invention are: fast operating speed, high efficiency, simple and stable structure, low failure rate, small occupied space, and can effectively achieve three-color perfusion. Description of the Drawings

[0015] Figure 1 It is a structural schematic Figure 1 .

[0016] Figure 2 It is a side view.

[0017] Figure 3 It is a front view.

[0018] Figure 4 It is a structural schematic Figure 2 .

[0019] Figure 5 It is a structural schematic Figure 3 .

[0020] Figure 6 It is a structural schematic Figure 4 .

[0021] Figure 7 It is a structural schematic of the filling nozzle assembly Figure 1 .

[0022] Figure 8 It is a structural schematic of the filling nozzle assembly Figure 2 .

[0023] Figure 9 It is a structural schematic of the filling nozzle assembly Figure 3 .

[0024] Figure 10 It is a structural schematic of the filling nozzle assembly Figure 4 .

[0025] Figure 11 It is an assembly schematic of this patent Figure 1 .

[0026] Figure 12 It is an assembly schematic of this patent Figure 2 .

[0027] 1 is a three-color feed pipe, 2 is a filling nozzle assembly, 21 is a filling nozzle, 22 is a third track, 3 is a rotary valve switch rod assembly, 31 is a rotary valve swing arm, 32 is a switch connecting rod, 33 is a fixed arm, 34 is a rotary valve switch slider, 35 is a lifting rod assembly, 36 is a first track, 311 is a rocker roller, 321 is a long slot, 351 is a limit assembly,

[0028] 4 is a rotary valve cam, 41 is a rotary valve cam swing arm, 42 is a swing arm shaft, 43 is a cam slider, 44 is a cam rotating shaft, 45 is an irregular track,

[0029] 5 is a servo motor, 6 is a driving screw,

[0030] 7 is a three-color filling pump assembly, 71 is a piston rod, 72 is a piston head, 73 is a piston cylinder, 74 is a V-shaped swing arm, 75 is a V-shaped swing arm shaft, 76 is a V-shaped swing arm connecting rod, 77 is a motor seat, 78 is a driving slider, 79 is a second track,

[0031] 8 is a frame, 9 is a rotary valve, 91 is an inner tank, 92 is an outer tank, 93 is a rotary valve spool, 94 is a housing, 95 is a rotary valve seat, 96 is a rotary valve rotating shaft, 97 is a discharge end, 98 is a feed port, 99 is a first connection port, 911 is an inner tank feed port, 912 is an inner tank discharge port, 921 is an outer tank feed port, 922 is an outer tank discharge port, A is a filling and pushing device. Detailed implementation manners

[0032] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying Figure 1-12 drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments.

[0033] Embodiment 1 Refer to Figure 1-12 a filling and pushing device, which includes a frame 8, a servo motor 5, a filling nozzle assembly 2, a three-color feed pipe 1, a three-color filling pump assembly 7, a rotary valve 9, a rotary valve cam 4, and a rotary valve switch rod assembly 3. The upper end of the frame 8 is provided with a filling nozzle assembly 2. One side of the filling nozzle assembly 2 is a filling nozzle 21, and the other side of the filling nozzle assembly is connected to the discharge ends of three rotary valves 9. The upper ends of the three rotary valves are respectively communicated with the corresponding three-color feed pipes 1. The three rotary valves are connected to the rotary valve cam 4 through the rotary valve switch rod assembly 3. The rotary valve 9 is driven by the rotary valve cam 4 to communicate with the three-color feed pipe 1. The rear ends of the three rotary valves 9 are correspondingly connected to the three-color filling pump assembly 7. The driving part of the three-color filling pump assembly is driven by the servo motor, so that the three-color filling pump assembly drives the materials in the corresponding rotary valve to be ejected from the filling nozzle of the filling nozzle assembly. The filling and pushing device is marked as A.

[0034] A filling and pushing device. The rotary valve includes an inner tank 91, an outer tank 92, a rotary valve spool 93, a housing 94, a rotary valve seat 95 and a rotary valve rotating shaft 96. A first connection port 99 is provided at the rear end of the housing. An inclined discharge end 97 is provided at the lower side of the front end of the housing. A feed port 98 is provided at the upper end of the housing. The rear end of the inner tank 91 is rotatably and sealingly connected to the first connection port 99. The rotary valve spool 93 is arranged on the rotary valve seat 95. The front end of the inner tank 91 is connected to the rotary valve spool 93 and is rotationally sealed by the rotary valve seat 95. The rotary valve rotating shaft 96 passes through the housing 94 and the rotary valve seat and is connected to the rotary valve spool. The rotary valve rotating shaft rotates to drive the rotary valve spool and drive the inner tank to rotate. The outer tank is arranged outside the inner tank. The inner wall of the outer tank is slidably sealed with the outer wall of the inner tank. The rear end of the outer tank is sealingly connected to the first connection port. An outer tank feed port 921 is provided at the upper end of the outer tank and is communicated with the feed port. An outer tank discharge port 922 is provided at the lower end of the outer tank and is communicated with the inclined discharge end 97. The inner tank is provided with an inner tank feed port 911 and an inner tank discharge port 912. The inner tank feed port and the inner tank discharge port are selectively communicated with the outer tank feed port and the outer tank discharge port. It has good sealing performance and high filling efficiency.

[0035] A filling and pushing device. The inner tank feed port and the inner tank discharge port form a 90-degree angle on the outer tank. The outer tank feed port and the outer tank discharge port are on the vertical axis of the outer tank. Both the inner tank and the outer tank are cylindrical. Only by rotating 90 degrees can the switch be realized, reducing the stroke and occupying less space.

[0036] A filling and pushing device. The rotary valve switch rod assembly 3 includes a rotary valve swing arm 31, a switch connecting rod 32, a fixed arm 33, a rotary valve switch slider 34 and a lifting rod assembly 35. One end of the rotary valve swing arm is connected to the outside of the rotary valve rotating shaft. The other end of the rotary valve swing arm is rotatably connected to the switch connecting rod. Both ends of the switch connecting rod are respectively connected to the upper ends of the corresponding fixed arms. The lower ends of the two fixed arms are fixedly connected to both sides of the rotary valve switch slider. The front end of the rotary valve switch slider is fitted in the first track 36 on the front end wall of the frame. The upper and lower ends of both sides of the rotary valve switch slider are connected to the upper end of the lifting rod assembly. The upper and lower ends of the lifting rod assembly are rotatably connected to one side of the rotary valve cam swing arm 41. The other side of the rotary valve cam swing arm is rotatably connected to the swing arm shaft 42. Both ends of the swing arm shaft are connected to the two side walls of the frame. A convex cam slider 43 is provided in the middle of the rotary valve cam swing arm. The rotary valve cam is arranged on the cam rotating shaft 44. Both ends of the cam rotating shaft are arranged on the two side walls of the frame and are driven to rotate by a motor. The cam slider is fitted in the irregular track 45 of the rotary valve cam. By rotating the rotary valve cam, the lifting rod assembly is driven to lift and lower, driving the inner tank in the rotary valve to rotate. The irregular track is a convex track.

[0037] The filling nozzle assembly 2 is provided with a third track 22. The middle of the switch connecting rod is fitted in the third track.

[0038] A filling and pushing device. The switch connecting rod is provided with a horizontal long hole 321. The other end of the rotary valve swing arm is provided with a rocker roller 311. The rocker roller is limited in the long hole.

[0039] A filling and pushing device, the three-color filling pump assembly 7 includes a piston rod 71, a piston head 72, a piston cylinder 73, a V-shaped swing arm 74, a V-shaped swing arm shaft 75, a V-shaped swing arm connecting rod 76, a motor base 77, a servo motor 5, a driving screw 6 and a driving slider 78; one end of the piston cylinder 73 is connected to the first connection port, the piston head 72 is arranged inside the piston cylinder, one end of the piston rod extends into the piston cylinder from the other end and is connected to the piston head, driving the piston head to perform a piston movement; one end of the V-shaped swing arm is rotatably connected to the other end of the piston rod, the other end of the V-shaped swing arm is rotatably connected to the upper end of the V-shaped swing arm connecting rod, the V-shaped lower end of the V-shaped swing arm passes through the V-shaped swing arm shaft and is rotatably connected to the V-shaped swing arm; the lower end of the V-shaped swing arm connecting rod is rotatably connected to the driving slider, the driving slider is passed through by the driving screw and is threadedly connected to the driving screw 6, the lower end of the driving screw is connected to the servo motor, and the servo motor drives the driving screw to rotate; the servo motor is provided with a motor base, the driving screw passes through the motor base, and a second track 79 is arranged on the side wall of the motor base, and one end of the driving slider is engaged with the second track and moves up and down along the second track.

[0040] A filling and pushing device, the side wall of the motor base is connected to the two side walls of the frame, and both ends of the V-shaped swing arm shaft are arranged on the two side walls of the frame.

[0041] A filling and pushing device, there are 3 three-color filling pump assemblies which are respectively connected to the corresponding three rotary valves. The V-shaped swing arms of the middle three-color filling pump assembly among the 3 three-color filling pump assemblies are oriented in the opposite direction to the V-shaped swing arms of the three-color filling pump assemblies on both sides, and the servo motor of the middle three-color filling pump assembly is arranged in front of the servo motors of the three-color filling pump assemblies on both sides, and the 3 servo motors are in a triangular shape.

[0042] A filling and pushing device, the lifting rod assembly is further provided with a limiting assembly 351.

[0043] A mechanism with a filling and lifting device, at least 2 filling and lifting devices are arranged on the frame, and the lower ends of the three-color feeding pipes are respectively bifurcated and connected to the 2 filling and lifting devices.

[0044] Working principle: When the material flows into the three-color feeding pipe 1, at the same time, the rotary valve cam 4 reaches the lowest point, causing the rotary valve switch rod assembly 3 to descend. At this time, the rotary valve is in an open state. Subsequently, the servo motor 5 rotates, driving the driving screw 6 to perform a lifting movement, causing the three-color filling pump assembly 7 to perform a pushing and pulling action, pushing the material flowing into the rotary valve into the filling nozzle assembly 2, and realizing multi-color filling.

[0045] The above is only the preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and inventive concept of the present invention, makes equivalent substitutions or changes, and should be covered by the protection scope of the present invention.

Claims

1. A filling and pushing device, comprising a frame, a servo motor, a filling nozzle assembly, a three-color feeding pipe, a three-color filling pump assembly, a rotary valve, a rotary valve cam and a rotary valve switch rod assembly, characterized in that: At the upper end of the frame, there is a filling nozzle assembly. One side of the filling nozzle assembly is the filling nozzle, and the other side of the filling nozzle assembly is connected to the discharge ends of three rotary valves. The upper ends of the three rotary valves are respectively communicated with the corresponding three-color feeding pipes. The three rotary valves are connected to the rotary valve cam through the rotary valve switch rod assembly. The rotary valve is driven by the rotary valve cam to communicate with the three-color feeding pipe. The rear ends of the three rotary valves are correspondingly connected to the three-color filling pump assembly. The driving part of the three-color filling pump assembly is driven by a servo motor, so that the three-color filling pump assembly drives the materials in the corresponding rotary valve to be ejected from the filling nozzle of the filling nozzle assembly.

2. The filling and pushing device according to claim 1, characterized in that: The rotary valve includes an inner liner, an outer liner, a rotary valve spool, a housing, a rotary valve seat and a rotary valve rotating shaft. The rear end of the housing is provided with a first connection port. The lower side of the front end of the housing is provided with an inclined discharge end. The upper end of the housing is provided with a feeding port. The rear end of the inner liner is rotatably and sealedly connected to the first connection port. The rotary valve spool is arranged on the rotary valve seat. The front end of the inner liner is connected to the rotary valve spool and is rotationally sealed by the rotary valve seat. The rotary valve rotating shaft passes through the housing and the rotary valve seat and is connected to the rotary valve spool. The rotary valve rotating shaft rotates to drive the rotary valve spool and drives the inner liner to rotate. The outer liner is arranged outside the inner liner. The inner wall of the outer liner is slidably sealed with the outer wall of the inner liner. The rear end of the outer liner is sealedly connected to the first connection port. The upper end of the outer liner is provided with an outer liner feeding port communicated with the feeding port. The lower end of the outer liner is provided with an outer liner discharge port communicated with the inclined discharge end. The inner liner is provided with an inner liner feeding port and an inner liner discharge port. The inner liner feeding port and the inner liner discharge port are selectively communicated with the outer liner feeding port and the outer liner discharge port.

3. The filling and pushing device according to claim 2, characterized in that: The inner liner feeding port and the inner liner discharge port form a 90-degree angle on the outer liner. The outer liner feeding port and the outer liner discharge port are on the vertical axis of the outer liner. Both the inner liner and the outer liner are cylindrical.

4. A filling and pushing device according to claim 3, characterized in that: The rotary valve switch rod assembly includes a rotary valve swing arm, a switch connecting rod, a fixed arm, a rotary valve switch slider and a lifting rod assembly. One end of the rotary valve swing arm is connected to the outside of the rotary valve rotating shaft. The other end of the rotary valve swing arm is rotatably connected to the switch connecting rod. Both ends of the switch connecting rod are respectively connected to the upper ends of the corresponding fixed arms. The lower ends of the two fixed arms are fixedly connected to both sides of the rotary valve switch slider. The front end of the rotary valve switch slider is fitted in the first track on the front wall of the frame. The lower ends of both sides of the rotary valve switch slider are connected to the upper ends of the lifting rod assembly. The upper and lower ends of the lifting rod assembly are rotatably connected to one side of the rotary valve cam swing arm. The other side of the rotary valve cam swing arm is rotatably connected to the swing arm shaft. Both ends of the swing arm shaft are connected to the two side walls of the frame. A convex cam slider is arranged in the middle of the rotary valve cam swing arm. The rotary valve cam is arranged on the cam rotating shaft. Both ends of the cam rotating shaft are arranged on the two side walls of the frame and are driven to rotate by a motor. The cam slider is fitted in the irregular track of the rotary valve cam. The lifting rod assembly is lifted and lowered by the rotation of the rotary valve cam, driving the inner liner in the rotary valve to rotate.

5. The filling and pushing device according to claim 4, characterized in that: The switch connecting rod is provided with a horizontal long hole. The other end of the rotary valve swing arm is provided with a rocker roller, and the rocker roller is limited in the long hole.

6. The filling and pushing device according to claim 5, characterized in that: The three-color filling pump assembly includes a piston rod, a piston head, a piston cylinder, a V-shaped swing arm, a V-shaped swing arm shaft, a V-shaped swing arm connecting rod, a motor base, a servo motor, a driving screw rod, and a driving slider; one end of the piston cylinder is connected to the first connection port, a piston head is arranged inside the piston cylinder, one end of the piston rod extends into the piston cylinder from the other end and is connected to the piston head to drive the piston head to perform a piston movement; one end of the V-shaped swing arm is rotatably connected to the other end of the piston rod, the other end of the V-shaped swing arm is rotatably connected to the upper end of the V-shaped swing arm connecting rod, the V-shaped lower end of the V-shaped swing arm passes through the V-shaped swing arm shaft and is rotatably connected to the V-shaped swing arm; the lower end of the V-shaped swing arm connecting rod is rotatably connected to the driving slider, the driving slider is penetrated by the driving screw rod and is threadedly connected to the driving screw rod, the lower end of the driving screw rod is connected to the servo motor, and the servo motor drives the driving screw rod to rotate; the servo motor is provided with a motor base, the driving screw rod passes through the motor base, a second track is arranged on the side wall of the motor base, and one end of the driving slider is engaged with the second track and moves up and down along the second track.

7. The filling and pushing device according to claim 6, characterized in that: The side walls of the motor base are connected to the two side walls of the frame, and both ends of the V-shaped swing arm shaft are arranged on the two side walls of the frame.

8. The filling and pushing device according to claim 6, wherein: The three three-color filling pump assemblies are respectively connected to the corresponding three rotary valves. The orientation of the V-shaped swing arm of the middle three-color filling pump assembly among the three three-color filling pump assemblies is opposite to the orientation of the V-shaped swing arms of the three-color filling pump assemblies on both sides, and the servo motor of the middle three-color filling pump assembly is arranged in front of the servo motors of the three-color filling pump assemblies on both sides, and the three servo motors are in a triangular shape.

9. The filling and pushing device according to claim 4, characterized in that: The lifting rod assembly is further provided with a limiting assembly.

10. A mechanism having the filling and lifting device described in claim 1, characterized in that: At least two filling lifting devices are arranged on the frame, and the lower ends of the three-color feeding pipes are respectively bifurcated and connected to the two filling lifting devices.

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