CN210284668U

CN210284668U - Double-screw filling and packaging machine

Info

Publication number: CN210284668U
Application number: CN201920702834.5U
Authority: CN
Inventors: 刘洪金; 邓建国; 刘保; 刘平
Original assignee: Ningxia Zhonghua Lithium Battery Material Co Ltd
Current assignee: Ningxia Zhonghua Lithium Battery Material Co Ltd
Priority date: 2019-05-16
Filing date: 2019-05-16
Publication date: 2020-04-10
Anticipated expiration: 2029-05-16

Abstract

The utility model provides a twin-screw fills packagine machine, include: the material buffer bin is used for storing materials; the double-screw feeding device is positioned below the material buffer bin and used for conveying materials in the material buffer bin; the weighing device comprises a bag clamping mechanism and a weighing sensor, the bag clamping mechanism is positioned below the double-screw feeding device and is used for clamping a material bag for placing materials, and the weighing sensor is used for metering the materials in the material bag; and the belt conveying mechanism is positioned below the weighing device and used for conveying the material bags filled with the materials, and the upper and lower positions of the belt conveying mechanism relative to the weighing device are adjustable.

Description

Double-screw filling and packaging machine

Technical Field

The utility model relates to a packaging system, concretely relates to twin-screw fills packagine machine.

Background

Traditional powder material packing adopts manual work and mechanical semi-automatization's work pattern that combines together, and the staff need constantly the bagging-off reinspection until reaching appointed weight, and the operation is not only hard but also consuming time.

The traditional powder material has high packaging working strength, can meet the use requirements of customers with small using amount, but has higher labor cost and can not meet the requirements of customers with larger demand.

SUMMERY OF THE UTILITY MODEL

In order to solve the above-mentioned technical problem that exists among the prior art, the utility model provides a twin-screw fills packagine machine, it can satisfy the mechanized packing needs of large capacity, can practice thrift the cost, can reduce artifical intensity of labour again.

For this reason, according to the utility model discloses a twin-screw fills packagine machine includes: the material buffer bin is used for storing materials; the double-screw feeding device is positioned below the material buffer bin and used for conveying materials in the material buffer bin; the weighing device comprises a bag clamping mechanism and a weighing sensor, the bag clamping mechanism is positioned below the double-screw feeding device and is used for clamping a material bag for placing materials, and the weighing sensor is used for metering the materials in the material bag; and the belt conveying mechanism is positioned below the weighing device and used for conveying the material bags filled with the materials, and the upper and lower positions of the belt conveying mechanism relative to the bag clamping mechanism are adjustable.

Optionally, the twin screw feed device comprises: the spiral material pipe is provided with a feeding end and a discharging end, and the feeding end is communicated with the material buffer bin; the first screw rod is positioned in the spiral material pipe, one end of the first screw rod is positioned in the first cavity, the other end of the first screw rod is provided with a first speed reducing motor for driving the first screw rod to rotate, and the first cavity is communicated with the discharge end of the spiral material pipe; and the second screw is positioned in the spiral material pipe, one end of the second screw is positioned in a second cavity, the other end of the second screw is provided with a second speed reducing motor for driving the second screw to rotate, and the second cavity is communicated with the discharge end of the spiral material pipe, wherein the conveying capacity of the first screw is 5-10 times of that of the second screw under the condition of the same rotating speed.

Optionally, the twin-screw filling and packaging machine further comprises a frame provided with a fixed upright.

Optionally, the material buffer storage bin comprises a bin, a bin upper cover, a feeding port, a breather and a pneumatic arch breaking device, wherein the bin upper cover is installed on the bin, the feeding port and the breather are located on the bin upper cover, and the pneumatic arch breaking device is installed on the side surface of the bin.

Optionally, the twin-screw feeding device is provided with a dust hood, and the dust hood is located outside the discharge end of the spiral material pipe.

Optionally, the double-screw feeding device is provided with a door turning device, the door turning device comprises a door turning for sealing the discharge end of the spiral material pipe, a turning shaft connected with the door turning, and a door turning cylinder, and the door turning cylinder drives the turning shaft to rotate to realize the opening and closing action of the door turning so as to fix the material bag.

Optionally, the bag clamping device comprises a frame, and a middle material pipe, a left clamping hand, a right clamping hand and a bag clamping cylinder which are arranged on the frame, wherein the material bag is placed below the middle material pipe, and the bag clamping cylinder drives the left clamping hand and the right clamping hand to move, so that the opening and closing actions of the left clamping hand and the right clamping hand are realized.

Optionally, the twin-screw filling and packaging machine further comprises a touch screen operating device installed on one side of the machine frame and/or an electrical cabinet installed inside the machine frame.

Optionally, an adjustable universal foot shoe is mounted to the bottom of the frame.

Optionally, the twin screw filling and packaging machine further comprises a sealing device.

Compared with the prior art, the utility model discloses technical scheme has following beneficial effect:

adopt double screw material feeding unit, realize a large amount of quick conveying of material through big hob, realize the accurate conveying of trace of material through little hob, both can guarantee higher material feeding speed, can guarantee the accuracy of the weight of feeding well again.

Due to the adoption of the door turning device, the blanking amount can be conveniently controlled by controlling the opening and closing angle of the door turning device, and the door turning device is simple in structure and high in reliability.

According to the utility model discloses a double screw fills packagine machine can greatly reduced artifical intensity of labour, improves packing work efficiency, can keep better operational environment simultaneously.

Drawings

Other features and advantages of the present invention will be better understood from the following detailed description of alternative embodiments, taken in conjunction with the accompanying drawings, in which like reference characters designate the same or similar parts, and in which:

figure 1 shows a front view of a twin screw filling and packaging machine according to one embodiment of the present invention;

figure 2 shows a side view of the twin screw filling and packaging machine of figure 1;

fig. 3 shows a side view of the twin screw feed of the twin screw filling and packaging machine of fig. 1;

fig. 4 shows a top view of the twin-screw feed device in fig. 3.

Detailed Description

The practice and use of the embodiments are discussed in detail below. It should be understood, however, that the specific embodiments discussed are merely illustrative of specific ways to make and use the invention, and do not limit the scope of the invention. The description herein of the structural positions of the respective components, such as the directions of upper, lower, top, bottom, etc., is not absolute, but relative. When the respective components are arranged as shown in the drawings, these direction expressions are appropriate, but when the positions of the respective components in the drawings are changed, these direction expressions are changed accordingly.

Fig. 1 shows a front view of a twin-screw filling and packaging machine according to an embodiment of the present invention, and fig. 2 shows a side view of the twin-screw filling and packaging machine of fig. 1. Specifically, according to the utility model discloses a twin-screw fills packagine machine mainly includes material buffer storage 10, twin-screw material feeding unit 20, weighing device 30, belt conveyor 40, frame 50.

Material buffering storehouse 10 is installed in twin-screw filling packaging machine's the top, including feed bin 11, feed bin upper cover 12, feed inlet 13, respirator 14 and pneumatic broken device 15 that encircles, feed bin 11 has wide structure down, and feed bin upper cover 12 is installed on feed bin 11, and feed inlet 13 and respirator 14 are located feed bin upper cover 12, and pneumatic broken device 15 that encircles is installed in the side of feed bin 11. The respirator 14 can guarantee the gas circulation, can block again that the dust granule looses from the material buffering storehouse 10 outward, and the pneumatic broken device of encircleing 15 can prevent that the material from encircleing the putty phenomenon that leads to of becoming the bridge in the material buffering storehouse 10. In one embodiment, the pneumatic arch breaking device 15 uses compressed air as power to push a hammer inside the pneumatic arch breaking device to strike the bottom in an instant release manner, and the generated strong impact is transmitted to the wall surface of the feeding bin, so that an arch bridge formed by materials is effectively struck, accumulated materials are loosened, and the purpose of smooth discharging is achieved.

Referring to fig. 3 and 4, the twin-screw feeding device 20 is located below the material buffer bin 10. The twin-screw feeding device 20 comprises a screw pipe 21 and a first screw 22 and a second screw 23 located inside the screw pipe 21. The spiral pipe 21 has a feeding end 211 and a discharging end 212, and the feeding end 211 is communicated with the lower end of the material buffer bin 10. The first screw 22 may be located at a side of the second screw 23, discharge ends of the first screw 22 and the second screw 23 respectively extend into a first chamber 221 and a second chamber 231 which are separated from each other, and outlets of the first chamber 221 and the second chamber 231 are both communicated with the discharge end 212 of the spiral pipe 21. The first screw 22 and the second screw 23 are controlled to rotate by a first speed reduction motor 222 and a second speed reduction motor 232 which are independent of each other, and the first speed reduction motor 222 and the second speed reduction motor 232 are installed at the rear end of the spiral pipe 21, for example, the first screw 22 is a large screw having a large diameter and a large pitch, and the second screw 23 is a small screw having a small diameter and a small pitch. The conveying amount of the first screw 22 is 5 to 10 times, for example, 7 times or 8 times, the conveying amount of the second screw 23 at the same rotation speed.

The weighing device 30 is located below the discharge end of the twin-screw feeder 20. The weighing device 30 comprises a bag clamping mechanism 31 and a weighing sensor 32, the bag clamping mechanism 31 is used for clamping a material bag for placing materials, and the weighing sensor 32 is used for measuring the materials in the material bag in real time. The belt conveying mechanism 40 is located below the weighing device 30 and is used for conveying bags filled with materials.

The frame 50 is provided with a fixed upright 51, and the weighing sensor 32 is mounted on the fixed upright 51. The upper end of the fixed upright 51 is provided with a horizontal arm support 52, and the bag clamping mechanism 31 is arranged on the horizontal arm support 52. The belt conveyor 40 is mounted at the lower end of the fixed upright 51, and the mounting position is adjustable up and down along the fixed upright 51, that is, the up and down position of the belt conveyor 40 relative to the bag clamping mechanism 31 of the weighing device 30 is adjustable. In actual use, the height of the belt conveying mechanism 40 can be adjusted appropriately according to the size of the pocket.

In practical use, when feeding is started, the first screw 22 and the second screw 23 can work rapidly at the same time, the weighing sensor 32 of the weighing device 30 measures the weight of the material in the material bag in real time, and when the weight of the material in the material bag measured by the weighing sensor 32 is close to a certain weight, for example, close to 90% of a standard weight, the first screw 22 and the second screw 23 are controlled to decelerate; when the required weight is approached, for example, to 98% of the standard weight, the first screw 22 is stopped and the second screw 23 is slowly fed until the standard weight is reached, and the second screw 23 is also stopped. By adopting the double-screw feeding device, a large amount of materials can be quickly conveyed through the large screw rods, and the trace amount of materials can be accurately conveyed through the small screw rods, so that higher feeding speed can be ensured, and the accuracy of the loading weight can be well ensured.

In some embodiments, the twin-screw feeding device 20 further comprises a dust hood 24 and a door-turning device 25, the dust hood 24 is located outside the discharge end 212 of the spiral pipe 21, and the dust hood 24 is connected with a dust remover through a hose to ensure that no dust can pollute the workshop environment during the packaging process. The flap device 25 is mounted inside the discharge end 212 of the coil pipe 21. The door turning device 25 comprises a turning door for sealing the discharge end 212 of the spiral material pipe 21, a turning shaft connected with the turning door and a door turning cylinder, and the opening and closing actions of the turning door are realized by driving the turning shaft to rotate through the door turning cylinder. When the double-screw feeding device is not bagged, the cylinder rod of the flap cylinder retracts, and the flap blocks the discharge end 212 of the double-screw feeding device 20; after bagging starts, the cylinder rod of the flap cylinder extends out to drive the flap to turn downwards, the flap is opened, and the material falls into the material bag on the bag clamping mechanism 31 from the discharge end 212. By controlling the opening and closing angle of the turnover door, the material blanking amount can be conveniently controlled.

In some embodiments, the bag clamping mechanism 31 includes a frame 311, and a middle material pipe 312, a left clamping hand 313, a right clamping hand 314, and a bag clamping cylinder (not shown) mounted on the frame 311, where the material bag is placed on the frame 311 and below the middle material pipe 312, and the bag clamping cylinder drives the left clamping hand 313 and the right clamping hand 314 to move, so as to realize opening and closing actions of the left clamping hand 313 and the right clamping hand 314, so that the left clamping hand 313 and the right clamping hand 314 clamp an edge of the material bag for placing the material to fix the material bag. The bag clamping mechanism 31 is closed, so that the material bag cannot fall off and dust cannot overflow from the bag opening in the filling process, and after filling is completed, the bag clamping mechanism 31 is opened.

In some embodiments, the twin screw filling and packaging machine is further provided with a touch screen operating device 60 and an electrical cabinet 70. The electrical cabinet 70 is arranged inside the rack, so that the space occupied by equipment is saved. The touch screen operating device 60 can be installed on one side of the rack 50 or on the electrical cabinet 70, and the material weight of the material bag can be monitored in real time through the touch screen operating device 60.

In some embodiments, the frame 50 is a stainless steel frame, and the bottom of the frame 50 is provided with stainless steel adjustable universal feet 80 that can be adjusted for specific plant conditions.

In some embodiments, the twin-screw filling and packaging machine further comprises a sealing device for sealing the material bag by means of automatic sewing or automatic heat sealing.

The utility model discloses a theory of operation is:

an operator places the material bag on the belt conveying mechanism 40, adjusts the height of the belt conveying mechanism 40, sleeves the upper opening of the material bag into the bag clamping mechanism 31, fixes the material bag after the bag clamping mechanism 31 is closed, and the material bag is in an open state waiting for charging. And a cylinder rod of the door turning cylinder extends downwards to drive the turning door to turn downwards, and the turning door is opened. The twin screw feeder 20 transports material from its feed end 211 to its discharge end 212 a long distance and the material falls into the bag and the load cell 32 begins metering. When the weight of the double-screw feeding device is close to a certain weight, the speed of the double-screw feeding device is reduced, when the weight of the double-screw feeding device is close to the required weight, the large screw rod stops, the small screw rod slowly feeds the standard weight, then the air cylinder rod of the door turning air cylinder retracts, the door turning is closed, and the feeding is stopped. The bag clamping mechanism 31 loosens the material bag, and an operator firmly ties up the material bag opening, so that the packaging operation is completed. After that, the packed bags can be conveyed away by the belt conveyor 40, and the packing station is vacated to wait for the packing and packing of the next bag. In this embodiment, the bag filled with material is manually closed by an operator. Alternatively, in other embodiments, after the bag clamping mechanism releases the bag, the belt conveyor 40 conveys the bag containing the material to the sealing device, and the bag is automatically sealed by automatic sewing or automatic heat sealing.

In the embodiment described above, the twin-screw feeding device is adopted, a large amount of materials are quickly conveyed by the large screw rods, and a small amount of materials are accurately conveyed by the small screw rods, so that the high feeding speed can be ensured, and the accuracy of the loading weight can be well ensured.

The technical content and technical features of the present invention have been disclosed above, but it should be understood that various changes and modifications can be made to the concept disclosed above by those skilled in the art under the inventive concept of the present invention, and all fall within the scope of the present invention. The above description of embodiments is intended to be illustrative, and not restrictive, and the scope of the invention is defined by the appended claims.

Claims

1. A twin screw filling and packaging machine, comprising:

the material buffer bin (10) is used for storing materials;

the double-screw feeding device (20) is positioned below the material buffer bin (10) and is used for conveying materials in the material buffer bin (10);

the weighing device (30) comprises a bag clamping mechanism (31) and a weighing sensor (32), the bag clamping mechanism (31) is positioned below the double-screw feeding device (20) and is used for clamping a material bag for placing materials, and the weighing sensor (32) is used for metering the materials in the material bag; and

the belt conveying mechanism (40) is located below the weighing device (30) and used for conveying the material bags filled with the materials, and the upper and lower positions of the belt conveying mechanism (40) relative to the bag clamping mechanism (31) are adjustable.

2. The twin-screw filling and packaging machine according to claim 1, characterised in that the twin-screw feeding device (20) comprises:

the spiral material pipe (21) is provided with a feeding end (211) and a discharging end (212), and the feeding end (211) is communicated with the material buffer bin (10);

the first screw rod (22) is positioned in the spiral material pipe (21), one end of the first screw rod (22) is positioned in a first chamber (221), the other end of the first screw rod is provided with a first speed reducing motor (222) for driving the first screw rod (22) to rotate, and the first chamber (221) is communicated with the discharge end (212) of the spiral material pipe (21); and

the second screw (23) is located in the spiral material pipe (21), one end of the second screw (23) is located in a second chamber (231), a second speed reduction motor (232) for driving the second screw (23) to rotate is mounted at the other end of the second screw, the second chamber (231) is communicated with the discharge end (212) of the spiral material pipe (21), and under the condition that the rotating speeds are the same, the conveying capacity of the first screw (22) is 5-10 times that of the second screw (23).

3. The twin-screw filling and packaging machine according to claim 1 or 2, further comprising a frame (50) provided with a fixed upright (51).

4. The twin-screw filling and packaging machine according to claim 1 or 2, characterized in that the material buffer bin (10) comprises a bin (11), a bin upper cover (12), a feed inlet (13), a breather (14) and a pneumatic arch breaking device (15), the bin upper cover (12) is mounted on the bin (11), the feed inlet (13) and the breather (14) are located on the bin upper cover (12), and the pneumatic arch breaking device (15) is mounted at the side of the bin (11).

5. The twin-screw filling and packaging machine according to claim 2, characterised in that the twin-screw feeding device (20) is provided with a dust hood (24), the dust hood (24) being located outside the discharge end (212) of the screw pipe (21).

6. The twin-screw filling and packaging machine according to claim 2, wherein the twin-screw feeding device (20) is provided with a flap device (25), the flap device (25) comprises a flap for closing the discharge end (212) of the spiral pipe (21), a turning shaft connected with the flap, and a flap cylinder, and the flap cylinder drives the turning shaft to rotate so as to realize the opening and closing action of the flap.

7. The twin-screw filling and packaging machine according to claim 1 or 2, wherein the bag clamping mechanism (31) comprises a frame (311) and a middle material pipe (312), a left clamping hand (313), a right clamping hand (314) and a bag clamping cylinder which are arranged on the frame (311), the material bag is placed below the middle material pipe (312), and the bag clamping cylinder drives the left clamping hand (313) and the right clamping hand (314) to move so as to realize the opening and closing action of the left clamping hand (313) and the right clamping hand (314) to fix the material bag.

8. The twin screw filling and packaging machine according to claim 3, further comprising a touch screen operating device (60) mounted on one side of the machine frame (50) and/or an electrical cabinet (70) mounted inside the machine frame (50).

9. The twin screw filling and packaging machine according to claim 3, characterised in that the bottom of the frame (50) is fitted with an adjustable universal foot shoe (80).

10. The twin screw filling and packaging machine of claim 1 or 2 further comprising a sealing device.