CN211996217U - Gas-containing material packaging device with lifting type air exhaust mechanism - Google Patents

Gas-containing material packaging device with lifting type air exhaust mechanism Download PDF

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Publication number
CN211996217U
CN211996217U CN201922353635.0U CN201922353635U CN211996217U CN 211996217 U CN211996217 U CN 211996217U CN 201922353635 U CN201922353635 U CN 201922353635U CN 211996217 U CN211996217 U CN 211996217U
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China
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bag
bag clamping
chamber
cylinder
platform
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CN201922353635.0U
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Chinese (zh)
Inventor
何海英
耿耀兴
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M & J Machinery Engineer Co ltd
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M & J Machinery Engineer Co ltd
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Abstract

The utility model relates to a gas-containing material packing device with a lifting type air exhaust mechanism, which comprises a frame, wherein a feeding chamber is arranged above the frame, two ends of the feeding chamber are respectively communicated with a feeding port and a blanking chamber, and a conveying auger is arranged in the feeding chamber along the length direction; a platform extends outwards from the top of the frame, and a transition bin is arranged at the bottom of the platform below the blanking chamber; an air pumping rod in the vertical direction is arranged through the platform and the transition bin; the lifting cylinder drives the air extraction rod to move downwards to the bottom in the material bag, the conveying auger conveys materials in the feeding chamber to the blanking chamber from the feeding port and finally falls into the material bag through the transition bin, the air extraction rod extracts air while blanking, the air extraction rod stops synchronously when the material bag is full, and the air extraction rod moves upwards; the residual negative pressure in the material bag prevents the powder from leaking when the material bag falls integrally. The utility model discloses a synchronous online bleeds during the blanking, has realized the smooth bagging-off of gassy material, has practiced thrift manual work and time, and has effectively prevented waste and environmental pollution that the material leaked and caused, and work efficiency is high.

Description

Gas-containing material packaging device with lifting type air exhaust mechanism
Technical Field
The utility model belongs to the technical field of the equipment for packing technique and specifically relates to a take over-and-under type air exhaust mechanism's material packing plant that contains gas.
Background
The packaging of powder, especially the packaging of ultrafine powder, is always a difficult problem discussed in the packaging industry. The powder particles are extremely fine, and a large amount of air mixed in during grinding and conveying operation of the materials forms a physical state with extremely low bulk density and similar to flowing water, and when the powder in the state is packaged, the powder floats and swings in a packaging bag and is difficult to precipitate, so that the bag opening of the packaging bag cannot be sealed in time.
In the prior art, after powder falls into a material bag, the bag opening is manually squeezed to expel gas, and the gas is combined with long-time natural precipitation waiting, and the material in the bag is sealed after precipitation, so that the production efficiency is extremely low. With the progress of production, auxiliary air extraction devices have also appeared; the filled packaging bag is moved to an air extractor, the air extractor replaces manual extrusion, and air in the bag is sucked away to accelerate the precipitation of materials in the bag; compared with manual squeezing, the efficiency of the remote air suction mode is slightly higher, but the manual bag carrying and moving and the extra air suction time are consumed, and the bag needs to be manually held during air suction. On the other hand, when the gas-containing materials fall to the packaging bags, a certain positive pressure in the bags is formed during the falling due to the existence of the original gas in the bags, and the phenomenon of powder leakage and powder spraying is inevitably generated when the full packaging bags fall away from the bag clamping opening.
SUMMERY OF THE UTILITY MODEL
The applicant aims at the defects in the prior art and provides the gas-containing material packaging device with the lifting type air exhaust mechanism, which is reasonable in structure, so that synchronous online air exhaust during material packaging is realized, manpower and time are saved, the efficiency is high, the effect is good, and the influence of material leakage on the environment is reduced.
The utility model discloses the technical scheme who adopts as follows:
a gas-containing material packaging device with a lifting type air exhaust mechanism comprises a rack, wherein a feeding chamber is arranged above the rack, one end of the feeding chamber is provided with a feeding port in a penetrating manner, the other end of the feeding chamber is provided with a blanking chamber in a penetrating manner, the blanking chamber is positioned outside the rack, a conveying auger is arranged in the feeding chamber along the length direction, and the conveying auger conveys materials in the feeding chamber to the blanking chamber from the feeding port; a platform extends outwards from the top of the machine frame below the blanking chamber, and a transition bin is mounted at the bottom of the platform below the blanking chamber; run through platform and transition bin and install the stick of bleeding of vertical direction, the stick of bleeding reciprocates under the lift cylinder drives.
As a further improvement of the above technical solution:
a sensor is arranged on the side wall of the rack below the platform, a support frame is arranged on the side edge of the sensor, a bag holding cylinder is vertically arranged on the support frame, the output end of the bag holding cylinder faces downwards, a bag clamping barrel is arranged at the end part of the bag holding cylinder, and the bag clamping barrel is positioned right below the transition bin; bag clamping arms are symmetrically arranged on two sides of the bag clamping barrel, a material bag is sleeved at a barrel opening in the bottom of the bag clamping barrel, a bag opening of the material bag is clamped by the two bag clamping arms together, and the air pumping rod penetrates through the bag clamping barrel downwards and extends to the bottom in the material bag.
The top of each bag clamping arm is rotatably connected with the outer wall of the bag clamping barrel, and a bag clamping cylinder is mounted in the middle of each bag clamping arm; the bag clamping cylinder is fixedly arranged on one bag clamping arm, and the output end of the bag clamping cylinder is fixedly arranged with the other bag clamping arm; the two bag clamping arms rotate reversely relative to the bag clamping barrel under the driving of the bag clamping cylinder.
The structure of a single bag clamping arm is as follows: the clamping device comprises two clamping jaws with V-shaped structures arranged at intervals, wherein connecting blocks extend inwards from the middle parts of the clamping jaws, and the middle parts of the two clamping jaws are connected through a connecting rod; the equal downwardly extending of single clamping jaw bottom has buckling of "type structure, and the end of buckling is installed the block rubber, is connected with the rubber tape between two block rubbers of single double-layered bag arm.
And a conveying belt is arranged below the bag clamping barrel and conveys the filled material bag to the next procedure.
The platform is provided with a support, two pairs of guide wheels are arranged in the support from top to bottom, and the air pumping rod sequentially penetrates through the two pairs of guide wheels; a lifting cylinder is vertically arranged on the platform positioned outside the bracket, the output end of the lifting cylinder faces upwards, and the end part of the lifting cylinder is fixedly installed with an air pumping rod; the lifting cylinder drives the air pumping rod to move up and down by taking the guide wheel as a guide.
The lower part of the air pumping rod is bent, and the bent lower part of the air pumping rod penetrates through the center of the transition bin.
The blanking chamber is communicated with the transition bin, the rotating shaft seats are symmetrically arranged on a platform located at the joint of the blanking chamber and the transition bin, the rotating shaft is rotatably arranged between the two rotating shaft seats, the turning plate is arranged on the rotating shaft located between the rotating shaft seats, and the rotating shaft is driven by external power to drive the turning plate to rotate, so that the through blanking chamber and the transition bin are separated by the turning plate.
A motor is arranged on the machine frame below the feeding chamber, and a first belt wheel is arranged at the output end of the motor; carry the auger both ends and run through the feeding room, carry auger one end and rotate with the blanking room and be connected, carry the auger other end to extend the feeding room outside, be located the outside transport auger tip of feeding room and install band pulley two, pass through the belt connection transmission between band pulley one and the band pulley two.
The motor is a speed reducing motor, and the diameter of the first belt wheel is larger than that of the second belt wheel.
The utility model has the advantages as follows:
the utility model has the advantages of compact and reasonable structure, convenient operation, through the setting of the stick of bleeding on the platform, and the stick of bleeding runs through the transition storehouse, press from both sides a bag section of thick bamboo and in the bottom in the pocket of lift cylinder drive whereabouts, bleed when the material falls to the bag, effectively form the negative pressure in the bag, go into the bag smoothly and in time seal in the material with the helping hand, work efficiency has been improved greatly, the manual work has been saved, the going on of material packaging process has been promoted, and the influence of material leakage to the environment has been avoided even in the reduction.
The utility model discloses still include following advantage:
the two bag clamping arms are driven by the bag clamping cylinder to open and close, the bottom ends of the bag clamping arms are provided with rubber blocks, the compressible rubber blocks not only prevent the bag opening of the material bag from being damaged when the bag opening is clamped, but also enable the material bag to be clamped more firmly and reliably through the flexible rubber blocks;
when the bag clamping arm clamps the material bag, the rubber belt stretches and clings to the outer edge of the bag clamping cylinder, so that the rubber belt can help tightly cling a circle of the opening of the material bag to the bag clamping cylinder to realize clamping;
the bent lower part of the air pumping rod penetrates through the center of the transition bin, so that the air pumping rod is positioned in the middle of the inner bottom surface of the material bag when air is pumped, and uniform negative pressure is formed in the material bag to facilitate discharging;
the side wall of the frame is provided with a support frame through a sensor, and the real-time weight of the blanking in the material bag is timely obtained through the sensor;
the dun bag cylinder drives the dun bag cylinder, the dun bag arm and the material bag fully loaded with materials to quickly fall to the conveying belt, then the output end of the dun bag cylinder contracts to quickly lift the dun bag cylinder, and the dun bag cylinder repeats falling operation for multiple times, so that the dun bag cylinder has a dun solid effect on the materials in the bag;
the air pumping rod penetrates through the two pairs of guide wheels from top to bottom, the guide wheels play a role in guiding the air pumping rod to move up and down, and the air pumping rod can move up and down more smoothly and stably.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an installation schematic diagram of the air pumping rod and the bag clamping arm of the present invention.
Fig. 3 is a left side view of fig. 2.
Fig. 4 is a schematic structural view of the bag clamping arm of the present invention.
Fig. 5 is a schematic view (top view) of the installation between the bag clamping arm and the bag clamping cylinder according to the present invention.
Fig. 6 is a schematic diagram of the present invention in an initial working state.
Fig. 7 is a schematic diagram of the blanking air-extracting state of the utility model.
Fig. 8 is the working schematic diagram of the utility model after the blanking and air exhaust are finished.
Wherein: 1. a frame; 2. a motor; 3. a first belt wheel; 4. a feeding port; 5. a feeding chamber; 6. conveying the auger; 7. a blanking chamber; 8. turning over a plate; 9. a transition bin; 10. a platform; 11. a lifting cylinder; 12. a support; 13. An air pumping rod; 14. a guide wheel; 15. a dun bag cylinder; 16. a bag clamping cylinder; 17. a bag clamping arm; 18. a bag clamping cylinder; 20. a conveyor belt; 21. a support frame; 22. a sensor; 23. a rotating shaft; 24. material bags; 31. a belt; 32. a second belt wheel; 171. a clamping jaw; 172. a connecting rod; 173. connecting blocks; 174. a rubber block; 175. a rubber belt.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1 and 2, the gas-containing material packaging device with the lifting type air exhaust mechanism of the embodiment includes a frame 1, a feeding chamber 5 is installed above the frame 1, a feeding port 4 is installed at one end of the feeding chamber 5 in a penetrating manner, a blanking chamber 7 is installed at the other end of the feeding chamber 5 in a penetrating manner, the blanking chamber 7 is located outside the frame 1, a conveying auger 6 is installed in the feeding chamber 5 along the length direction, and the conveying auger 6 conveys the material in the feeding chamber 5 from the feeding port 4 to the blanking chamber 7; a platform 10 extends outwards from the top of the frame 1 below the blanking chamber 7, and a transition bin 9 is arranged at the bottom of the platform 10 below the blanking chamber 7; run through platform 10 and transition bin 9 and install the stick 13 of bleeding of vertical direction, bleed stick 13 and reciprocate under the drive of lift cylinder 11.
A sensor 22 is arranged on the side wall of the machine frame 1 below the platform 10, a support frame 21 is arranged on the side edge of the sensor 22, a bag holding cylinder 15 is vertically arranged on the support frame 21, the output end of the bag holding cylinder 15 faces downwards, a bag clamping barrel 16 is arranged at the end part of the bag holding cylinder 15, and the bag clamping barrel 16 is positioned right below the transition bin 9; bag clamping arms 17 are symmetrically arranged on two sides of a bag clamping barrel 16, a material bag 24 is sleeved at a barrel opening at the bottom of the bag clamping barrel 16, a bag opening of the material bag 24 is clamped by the bag clamping arms 17, as shown in fig. 3 and 4, an air pumping rod 13 downwards penetrates through the bag clamping barrel 16 and extends to the bottom in the material bag 24, air is pumped when the material falls into the bag, negative pressure is effectively formed in the bag, the bag is smoothly filled with the materials and is sealed in time in an assisting manner, the work efficiency is greatly improved, manpower is saved, the material packaging process is promoted, and the influence of leakage of the materials on the environment is reduced or even avoided.
The side wall of the frame 1 is provided with a support frame 21 through a sensor 22, and the real-time weight of the blanking in the material bag 24 is timely known through the sensor 22.
The top of each bag clamping arm 17 is rotatably connected with the outer wall of the bag clamping barrel 16, and the middle parts of the two bag clamping arms 17 are provided with a bag clamping cylinder 18 together; the bag clamping cylinder 18 is fixedly arranged on one bag clamping arm 17, and the output end of the bag clamping cylinder 18 is fixedly arranged with the other bag clamping arm 17; the two bag clamping arms 17 are driven by the bag clamping air cylinder 18 to rotate reversely relative to the bag clamping barrel 16, so that the two bag clamping arms 17 are mutually closed to clamp the material bag 24 at the outer edge of the opening of the bag clamping barrel 16.
The structure of the single bag clamping arm 17 is as follows: the bag clamping device comprises two clamping jaws 171 of a V-shaped structure which are arranged at intervals, connecting blocks 173 inwardly extend from the middle parts of the clamping jaws 171, a bag clamping cylinder 18 is arranged between the two connecting blocks 173, and the middle parts of the two clamping jaws 171 are connected through a connecting rod 172; the bottom of the single jaw 171 is bent in a "profile" configuration, with a rubber block 174 attached to the bent end, and a rubber band 175 connected between the two rubber blocks 174 of the single clip arm 17.
The two bag clamping arms 17 are driven by the bag clamping cylinder 18 to open and close, the rubber block 174 is mounted at the bottom end of the clamping jaw 171, the compressible rubber block 174 not only prevents the bag opening of the material bag 24 from being damaged during clamping, but also the flexible rubber block 174 enables the material bag 24 to be clamped more firmly and reliably; the rubber belt 175 between the two rubber blocks 174 of the single bag clamping arm 17 stretches and clings to the outer edge of the bag clamping barrel 16 when the bag clamping arm 17 clamps the material bag 24, so that the clamping is realized by helping the bag opening of the material bag 24 to be tightly clinging to the bag clamping barrel 16 in a circle.
A conveyer belt 20 is disposed below the bag clamping cylinder 16, and the conveyer belt 20 conveys the filled material bag 24 to the next process.
A support 12 is arranged on the platform 10, two pairs of guide wheels 14 are arranged in the support 12 from top to bottom, and an air extraction rod 13 sequentially penetrates through the two pairs of guide wheels 14; a lifting cylinder 11 is vertically arranged on the platform 10 positioned outside the bracket 12, the output end of the lifting cylinder 11 faces upwards, and the end part of the lifting cylinder is fixedly installed with an air pumping rod 13; the lifting cylinder 11 drives the air pumping rod 13 to move up and down by taking the guide wheel 14 as a guide; the guide wheel 14 can guide the up-and-down movement of the air extracting rod 13, and the up-and-down movement of the air extracting rod 13 is more smooth and stable.
The lower part of the air pumping rod 13 is bent, and the bent lower part of the air pumping rod 13 penetrates through the center of the transition bin 9, so that the air pumping rod 13 is positioned in the middle of the inner bottom surface of the material bag 24 during air pumping, and uniform negative pressure is formed in the material bag 24 to facilitate blanking.
Blanking chamber 7 link up with transition bin 9, and the symmetry is installed to the platform 10 that is located blanking chamber 7 and transition bin 9 department of meeting and is gone up to have a pivot seat, rotates between two pivot seats and installs pivot 23, is located to install on the pivot 23 between the pivot seat and turns over board 8, and pivot 23 drives under external power drive and turns over board 8 and rotate for turn over board 8 and separate blanking chamber 7 and the transition bin 9 that link up.
A motor 2 is arranged on the frame 1 below the feeding chamber 5, and a first belt wheel 3 is arranged at the output end of the motor 2; the two ends of the conveying auger 6 penetrate through the feeding chamber 5, one end of the conveying auger 6 is rotatably connected with the blanking chamber 7, the other end of the conveying auger 6 extends to the outside of the feeding chamber 5, the end part of the conveying auger 6 positioned outside the feeding chamber 5 is provided with a second belt wheel 32, and the first belt wheel 3 and the second belt wheel 32 are connected through a belt 31 for transmission.
The motor 2 is a speed reducing motor, and the diameter of the first belt wheel 3 is larger than that of the second belt wheel 32.
The utility model discloses a theory of operation does:
as shown in fig. 6, the output end of the bag clamping cylinder 18 extends outwards to open the two bag clamping arms 17, the bag mouth of the material bag 24 is manually sleeved at the bottom of the bag clamping cylinder 16, and the output end of the bag clamping cylinder 18 contracts to synchronously drive the two bag clamping arms 17 to simultaneously rotate inwards, so that the bag mouth of the material bag 24 is clamped at the bottom opening of the bag clamping cylinder 16;
as shown in fig. 7, the lifting cylinder 11 works to drive the air pumping rod 13 to move downwards by taking the guide wheel 14 as a guide, so that the bottom end of the air pumping rod 13 moves to the inner bottom of the material bag 24 to start air pumping; meanwhile, the rotating shaft 23 is driven by external power to rotate to drive the turning plate 8 to rotate, so that the blanking chamber 7 is communicated with the transition bin 9, and materials fall into the material bag 24 from the blanking chamber 7 through the transition bin 9 and the bag clamping barrel 16 until the materials are full;
as shown in fig. 8, the dun bag cylinder 15 operates to drive the dun bag cylinder 16, the dun bag arm 17 and the material bag 24 fully loaded with materials to fall onto the conveyer belt 20, then the output end of the dun bag cylinder 15 contracts to quickly lift the dun bag cylinder, and the dun bag cylinder repeats falling operation for many times; the power is used for driving the materials in the material bag 24 to fall for multiple times, so that the materials in the bag are firmer;
the output end of the bag clamping cylinder 18 extends out, so that the two bag clamping arms 17 are opened, and the material bag 24 is released from the bottom of the bag clamping cylinder 16; the bag clamping cylinder 15 works reversely to drive the bag clamping barrel 16 and the bag clamping arm 17 to move upwards; the bag 24 moves with the conveyor 20 to the next process.
The utility model is simple in operation, the structure is ingenious, and synchronous online bleeding when feeding has promoted the smooth bagging-off of gassy material and in time seals, has improved packing work efficiency greatly, has saved the manual work, and the bagging-off is effectual.
The above description is for the purpose of explanation and not limitation of the invention, which is defined in the claims, and any modifications may be made within the scope of the invention.

Claims (10)

1. The utility model provides a take gas-containing material packing plant of over-and-under type air exhaust mechanism, includes frame (1), its characterized in that: a feeding chamber (5) is arranged above the rack (1), one end of the feeding chamber (5) is provided with a feeding port (4) in a penetrating manner, the other end of the feeding chamber (5) is provided with a blanking chamber (7) in a penetrating manner, the blanking chamber (7) is positioned outside the rack (1), a conveying auger (6) is arranged in the feeding chamber (5) along the length direction, and the conveying auger (6) conveys materials in the feeding chamber (5) to the blanking chamber (7) from the feeding port (4); a platform (10) extends outwards from the top of the frame (1) below the blanking chamber (7), and a transition bin (9) is arranged at the bottom of the platform (10) below the blanking chamber (7); run through platform (10) and transition bin (9) and install gas extraction stick (13) of vertical direction, gas extraction stick (13) reciprocate under lift cylinder (11) drive.
2. The apparatus for packaging gas-containing materials with elevating pumping mechanism of claim 1, wherein: a sensor (22) is mounted on the side wall of the rack (1) below the platform (10), a support frame (21) is mounted on the side of the sensor (22), a bag holding cylinder (15) is vertically mounted on the support frame (21), the output end of the bag holding cylinder (15) faces downwards, a bag clamping cylinder (16) is mounted at the end of the bag holding cylinder, and the bag clamping cylinder (16) is located right below the transition bin (9); bag clamping arms (17) are symmetrically installed on two sides of the bag clamping barrel (16), a material bag (24) is sleeved at a barrel opening at the bottom of the bag clamping barrel (16), a bag opening of the material bag (24) is clamped by the two bag clamping arms (17) together, and the air pumping rod (13) downwards penetrates through the bag clamping barrel (16) and extends to the bottom in the material bag (24).
3. The apparatus for packaging gas-containing materials with elevating pumping mechanism of claim 2, wherein: the top of each bag clamping arm (17) is rotatably connected with the outer wall of each bag clamping barrel (16), and a bag clamping cylinder (18) is jointly installed in the middle of each bag clamping arm (17); the bag clamping cylinder (18) is fixedly arranged on one bag clamping arm (17), and the output end of the bag clamping cylinder (18) is fixedly arranged with the other bag clamping arm (17); the two bag clamping arms (17) rotate oppositely relative to the bag clamping barrel (16) under the driving of the bag clamping air cylinder (18).
4. The gas-containing material packaging apparatus with elevating type air-extracting mechanism as set forth in claim 2 or 3, wherein: the structure of the single bag clamping arm (17) is as follows: the clamping device comprises two clamping jaws (171) of a V-shaped structure which are arranged at intervals, wherein a connecting block (173) extends inwards from the middle parts of the clamping jaws (171), and the middle parts of the two clamping jaws (171) are connected through a connecting rod (172); the bottoms of the single clamping jaws (171) extend downwardsThe bending end of the bending structure is provided with a rubber block (174), and a rubber belt (175) is connected between the two rubber blocks (174) of the single bag clamping arm (17).
5. The apparatus for packaging gas-containing materials with elevating pumping mechanism of claim 2, wherein: and a conveying belt (20) is arranged below the bag clamping barrel (16), and the conveying belt (20) conveys the filled material bag (24) to the next procedure.
6. The apparatus for packaging gas-containing materials with elevating pumping mechanism of claim 1, wherein: a support (12) is mounted on the platform (10), two pairs of guide wheels (14) are mounted in the support (12) from top to bottom, and the air pumping rod (13) sequentially penetrates through the two pairs of guide wheels (14); a lifting cylinder (11) is vertically arranged on the platform (10) positioned outside the bracket (12), the output end of the lifting cylinder (11) faces upwards, and the end part of the lifting cylinder is fixedly installed with an air pumping rod (13); the lifting cylinder (11) drives the air pumping rod (13) to move up and down by taking the guide wheel (14) as a guide.
7. The gas-containing material packaging apparatus with elevating type air-extracting mechanism as claimed in claim 1 or 6, wherein: the lower part of the air pumping rod (13) is bent, and the bent lower part of the air pumping rod (13) penetrates through the center of the transition bin (9).
8. The apparatus for packaging gas-containing materials with elevating pumping mechanism of claim 1, wherein: blanking chamber (7) link up with transition bin (9), are located on platform (10) that blanking chamber (7) and transition bin (9) meet department and symmetrically install the pivot seat, rotate between two pivot seats and install pivot (23), are located and install on pivot (23) between the pivot seat and turn over board (8), pivot (23) drive under external power drive and turn over board (8) and rotate for turn over board (8) and separate blanking chamber (7) and transition bin (9) that link up.
9. The apparatus for packaging gas-containing materials with elevating pumping mechanism of claim 1, wherein: a motor (2) is arranged on the rack (1) below the feeding chamber (5), and a first belt wheel (3) is arranged at the output end of the motor (2); carry auger (6) both ends to run through and give feed chamber (5), carry auger (6) one end and blanking chamber (7) to rotate and be connected, carry auger (6) other end to extend and give feed chamber (5) outside, be located and install band pulley two (32) at the outside transport auger (6) tip of feeding chamber (5), connect the transmission through belt (31) between band pulley (3) and band pulley two (32).
10. The apparatus for packaging gas-containing materials with elevating pumping mechanism of claim 9, wherein: the motor (2) is a speed reducing motor, and the diameter of the first belt wheel (3) is larger than that of the second belt wheel (32).
CN201922353635.0U 2019-12-24 2019-12-24 Gas-containing material packaging device with lifting type air exhaust mechanism Active CN211996217U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922353635.0U CN211996217U (en) 2019-12-24 2019-12-24 Gas-containing material packaging device with lifting type air exhaust mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922353635.0U CN211996217U (en) 2019-12-24 2019-12-24 Gas-containing material packaging device with lifting type air exhaust mechanism

Publications (1)

Publication Number Publication Date
CN211996217U true CN211996217U (en) 2020-11-24

Family

ID=73409082

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922353635.0U Active CN211996217U (en) 2019-12-24 2019-12-24 Gas-containing material packaging device with lifting type air exhaust mechanism

Country Status (1)

Country Link
CN (1) CN211996217U (en)

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