CN216661831U - Raw material barrel loading attachment of medicine - Google Patents

Raw material barrel loading attachment of medicine Download PDF

Info

Publication number
CN216661831U
CN216661831U CN202123270050.6U CN202123270050U CN216661831U CN 216661831 U CN216661831 U CN 216661831U CN 202123270050 U CN202123270050 U CN 202123270050U CN 216661831 U CN216661831 U CN 216661831U
Authority
CN
China
Prior art keywords
storage rack
raw material
material barrel
conveying channel
rack
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202123270050.6U
Other languages
Chinese (zh)
Inventor
刘钟泉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shandong Penglai Pharmaceutical Machinery Factory Co ltd
Original Assignee
Shandong Penglai Pharmaceutical Machinery Factory Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shandong Penglai Pharmaceutical Machinery Factory Co ltd filed Critical Shandong Penglai Pharmaceutical Machinery Factory Co ltd
Priority to CN202123270050.6U priority Critical patent/CN216661831U/en
Application granted granted Critical
Publication of CN216661831U publication Critical patent/CN216661831U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)

Abstract

The utility model relates to a medicine raw material barrel feeding device which comprises a rack, wherein a conveying channel is arranged in the rack, one end of the conveying channel extends out of the rack, a storage rack is arranged beside the conveying channel, a raw material barrel is placed on the storage rack, a motor box is arranged on the side surface of the storage rack, a servo motor is arranged in the motor box and close to the top of the motor box, an output shaft of the servo motor is fixedly connected with the top end of the storage rack, and the servo motor can drive the storage rack to turn over; one end of the conveying channel, which is close to the storage rack, is provided with a stirring rod, one end of the stirring rod extends out of the conveying channel, and the extending end of the stirring rod is connected with a driving motor; the raw materials barrel opening part is provided with the adapter sleeve, and the adapter sleeve accessible upset is linked together with transfer passage, and transfer passage rotates and is connected with locking screw, has seted up the locking groove on the adapter sleeve, and locking screw can insert in the locking groove. The utility model has the effects of fast feeding, saving manpower and improving efficiency.

Description

Raw material barrel loading attachment of medicine
Technical Field
The utility model relates to the technical field of feeding devices, in particular to a medicine raw material barrel feeding device.
Background
In the pharmaceutical process, raw materials of the medicine need to be collected and mixed, so that the medicine with qualified mixture ratio is formed, and then filling and packaging are carried out. The raw materials of the medicine are stored in the raw material barrel, and the raw materials in the raw material barrel are uniformly collected to complete the feeding process of the medicine.
The utility model discloses a utility model patent that grant publication number is CN214582179U discloses a feed arrangement for medicine processing, comprising a base plate, the top of bottom plate is fixed with box and support column, one side of box is fixed with the conveyer pipe that the slope set up, the one end of conveyer pipe is fixed with the feeder hopper, the top and the conveyer pipe fixed connection of support column, the steam discharge pipe is installed at the top of box, the support column internal fixation has the horizontal plate, slidable mounting has the lifter on the horizontal plate, the top of horizontal plate is equipped with the stoving box that the top was uncovered setting, the top and the stoving box fixed connection of lifter, be equipped with the drive plate in the box, the drive plate is located the below of horizontal plate.
The feeding device can feed materials and play a role in drying, but adding the raw materials in the raw material barrel into the feeding hopper is a very laborious thing, and especially, a lot of women in a pharmaceutical factory participate in production and cannot move the heavy raw material barrel at all. Simultaneously along with scientific and technological development, also appeared full-automatic vacuum material loading machine on the existing market, can carry out the automatic feeding process, but this kind of equipment cost is expensive, and is simultaneously bulky, needs to change whole medicine production line's overall arrangement according to equipment, causes the production stagnation. Therefore, how to convey the raw materials in the raw material barrel in a labor-saving manner is easy to modify, and the key point of improving the feeding efficiency is not influenced by the production progress.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide a medicine raw material barrel feeding device.
The above object of the present invention is achieved by the following technical solutions:
a medicine raw material barrel feeding device comprises a rack, wherein a conveying channel is arranged in the rack, one end of the conveying channel extends out of the rack, a storage rack is arranged beside the conveying channel, a raw material barrel is placed on the storage rack, a motor box is arranged on the side face of the storage rack, a servo motor is arranged in the motor box and close to the top of the motor box, an output shaft of the servo motor is fixedly connected with the top end of the storage rack, and the servo motor can drive the storage rack to turn over; one end of the conveying channel, which is close to the storage rack, is provided with a stirring rod, one end of the stirring rod extends out of the conveying channel, and the extending end of the stirring rod is connected with a driving motor; the raw material barrel opening part is provided with a connecting sleeve, the connecting sleeve can be communicated with a conveying channel through overturning, the conveying channel is rotatably connected with a locking screw rod, a locking groove is formed in the connecting sleeve, and the locking screw rod can be inserted into the locking groove.
Through adopting above-mentioned technical scheme, place after the adapter sleeve is installed to the opening of former storage bucket and carry out the upset behind the storage rack, the former storage bucket opening is linked together with transfer passage's opening after the upset, during the raw materials entering transfer passage in the former storage bucket, the stirring rod that sets up in the transfer passage simultaneously can stir the raw materials, avoids the raw materials to pile up. The locking screw rod ensures the connection effect between the raw material barrel and the conveying channel. The whole process does not need manual carrying and lifting, time and labor are saved, and the feeding efficiency is greatly improved.
The present invention in a preferred example may be further configured to: the adapter sleeve includes the lantern ring, conflict portion and sealing, the lantern ring cover is established on former storage bucket, conflict portion and transfer passage are inconsistent, the sealing sets up between the lantern ring and conflict portion.
Through adopting above-mentioned technical scheme, the lantern ring is used for being connected with former storage bucket, and conflict portion is used for being connected with transfer passage, and sealing portion is used for opening and closes the connected state between former storage bucket and the transfer passage, avoids the leakage of raw materials.
The utility model in a preferred example may be further configured to: the lantern ring includes first semi-ring and second semi-ring, first semi-ring one end is rotated with second semi-ring one end and is connected, the connection can be dismantled to the first semi-ring other end and second semi-ring other end.
Through adopting above-mentioned technical scheme, establish first semi-ring and second semi-ring cover in raw materials bucket open-ended both sides, then can accomplish the installation of the lantern ring with first semi-ring and second semi-ring fixed connection, it is swift convenient.
The present invention in a preferred example may be further configured to: the sealing part is provided with a limiting seat, the end part of the limiting seat is provided with a clamping block, and the clamping block is sleeved on the storage rack.
Through adopting above-mentioned technical scheme, stopper and fixture block can help former storage bucket to fix a position, have played spacing effect simultaneously, have guaranteed the stability of former storage bucket on the storage rack.
The present invention in a preferred example may be further configured to: the sealing part is internally provided with a sealing turning plate, the outer wall of the sealing part is provided with a switching handle, and the switching handle is connected with the sealing turning plate through a connecting rod.
Through adopting above-mentioned technical scheme, rotate and switch the rotation that the handle can drive the sealed board that turns over to the switching of the state of sealing and intercommunication has swift convenient advantage equally.
The present invention in a preferred example may be further configured to: blocking plates are arranged on the periphery of the rack, and operation ports are formed in the blocking plates.
Through adopting above-mentioned technical scheme, the inside raw materials of outside environmental pollution frame can be avoided to the baffler, can control the frame inside through the operation mouth.
The present invention in a preferred example may be further configured to: the storage rack is provided with a fixing belt, one end of the fixing belt is fixedly connected with one side of the storage rack, the other end of the fixing belt is provided with a hook, and the hook can be hung on the other side of the storage rack.
Through adopting above-mentioned technical scheme, the fixed band can be tied up former storage bucket on the storage rack, has further improved the stability of former storage bucket on the storage rack.
The present invention in a preferred example may be further configured to: one side of the storage rack is provided with a conveying platform, one end of the conveying platform is close to the storage rack, and the other end of the conveying platform is an inclined plane.
Through adopting above-mentioned technical scheme, the conveying platform is transported on to the inclined plane through transporting the platform to former storage bucket, then can directly place on the storage rack, has further saved the manpower transport, has further improved material loading efficiency.
In summary, the utility model includes at least one of the following beneficial technical effects:
1. the servo motor drives the storage rack to turn over so as to carry out the feeding process, and the labor and the time are saved;
2. the connecting sleeve communicates the raw material barrel with the conveying channel, and meanwhile, the connecting sleeve can be switched between a sealing state and a communicating state according to needs, so that raw materials are prevented from leaking;
3. the stirring rod is arranged in the conveying channel, so that the raw materials can be stirred all the time in the falling process, and the raw materials are prevented from being accumulated to influence the feeding process
4. The floor area is small, the layout of other equipment of the production line is not influenced, the refitting time is short, the production can be rapidly put into production, and the production efficiency is influenced.
Drawings
Fig. 1 is a schematic view of the overall structure of the charging device in this embodiment.
Fig. 2 is a schematic view showing the internal structure of the charging device (the blocking plate is omitted).
Fig. 3 is a schematic sectional view showing the storage shelf (the partition plate is omitted).
Fig. 4 is a partially enlarged schematic view of a portion a in fig. 3.
Fig. 5 is a schematic sectional view showing the transfer passage and the connection sleeve (the baffle plate is omitted).
Fig. 6 is a partially enlarged schematic view of a portion B in fig. 5.
Fig. 7 is a schematic sectional view showing the fastening band.
Fig. 8 is a partially enlarged schematic view of a portion C in fig. 2.
In the figure, 1, a frame; 2. a barrier plate; 3. an operation port; 4. a delivery channel; 5. a storage rack; 51. a column; 52. a cross post; 53. a support beam; 54. a turning shaft; 55. fixing belts; 56. hooking; 6. a motor case; 7. connecting sleeves; 71. a collar; 711. a first half ring; 712. a second half ring; 72. a contact part; 721. a locking groove; 73. a sealing part; 731. closing the turning plate; 732. switching a handle; 733. a connecting rod; 734. a limiting seat; 735. a clamping block; 8. locking the screw rod; 9. a stirring rod; 10. a drive motor; 11. a motor frame; 12. a transport platform; 13. a raw material barrel.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 to 2, the medicine raw material barrel feeding device disclosed by the utility model comprises a frame 1, wherein the frame 1 is used for supporting the feeding device. Frame 1 is provided with baffler 2 all around, and baffler 2 adopts glass's material, makes 1 inside and external environment of frame keep apart through baffler 2, guarantees aseptic condition, avoids the medicine raw materials to be polluted, has seted up a plurality of operation mouth 3 on the baffler 2 simultaneously, and operating personnel wears gloves and stretches into from operation mouth 3 and can operate. The center position of the plane of the frame 1 is provided with a conveying channel 4, the conveying channel 4 is used for conveying medicine raw materials, and the conveying channel 4 is arranged along the width direction of the frame 1. The side of transfer passage 4 is provided with storage rack 5, and storage rack 5 can set up to one, also can set up to a pair of, sets up respectively in transfer passage 4's both sides, can carry out depositing of raw materials bucket 13 in turn, and in this embodiment, storage rack 5 sets up to one.
Referring to fig. 3, the storage rack 5 includes two side columns 51, the ends of the two columns 51 far from the conveying passage 4 are connected by a cross column 52, and meanwhile, a plurality of support beams 53 are uniformly arranged between the two columns 51, and the support beams 53 are arc-shaped and can be better attached to the raw material barrel 13. The side of storage rack 5 is provided with motor case 6, and motor case 6 is provided with servo motor near the position on storage rack 5 top, and the other end of the both sides stand 51 of storage rack 5 is connected through trip shaft 54, and trip shaft 54 outwards extends, and the one end that trip shaft 54 extends is connected through the shaft coupling with servo motor's output shaft to make servo motor can drive storage rack 5 and overturn.
Referring to fig. 4, how the raw material barrel 13 is placed on the storage rack 5 will be described, the opening of the raw material barrel 13 is provided with a sealing cover, after the sealing cover of the raw material barrel 13 is unscrewed, a connecting sleeve 7 is installed at the original sealing cover, the connecting sleeve 7 is used for positioning the raw material barrel 13 and the storage rack 5, and meanwhile, the raw material barrel 13 can be communicated with the conveying channel 4. The connecting sleeve 7 comprises a sleeve ring 71, a collision part 72 and a sealing part 73, the sleeve ring 71 is used for fixing the connecting sleeve 7 to an opening of the raw material barrel 13, the collision part 72 is used for colliding with the conveying channel 4, the sealing part 73 is used for forming a closed environment inside the connecting sleeve 7 to avoid raw material leakage, one end of the sealing part 73 is fixedly connected with the sleeve ring 71, and the other end of the sealing part is fixedly connected with the collision part 72.
Referring to fig. 4, the collar 71 is composed of two parts, namely a first half ring 711 and a second half ring 712, one end of the first half ring 711 is rotatably connected with one end of the second half ring 712, and the other end of the first half ring 711 is detachably connected with the other end of the second half ring 712, and the detachable connection mode may be a clamp mode or a screw connection mode, and in this embodiment, the screw connection mode is adopted. The collar 71 is fitted over the opening of the raw material barrel 13 and then the first half ring 711 and the second half ring 712 are fixedly coupled to complete the fitting of the collar 71.
Referring to fig. 5 and 6, the sealing portion 73 is cylindrical and hollow, a sealing flap 731 is disposed inside the sealing portion 73, and the shape of the sealing flap 731 is adapted to the shape of the inner cavity of the sealing portion 73. When the closing flap 731 is in a horizontal state, the sealing portion 73 can be filled, and the raw material in the raw material barrel 13 cannot pass through the sealing portion 73. Meanwhile, the outer wall of the sealing part 73 is also provided with a switching handle 732, the switching handle 732 is connected with the sealing turning plate 731 through a connecting rod 733, and the switching handle 732 is rotated to drive the sealing turning plate 731 to rotate, so that the inner cavity of the sealing part 73 is closed and opened, and the cut-off and the circulation of raw materials are controlled. The outer wall of sealing portion 73 still is provided with a spacing seat 734, and the tip of spacing seat 734 is provided with fixture block 735, and fixture block 735 is the U type, and after former storage bucket 13 placed on storage rack 5, fixture block 735 just in time can insert storage rack 5 top on the trip shaft 54, forms spacingly to former storage bucket 13 this moment, and former storage bucket 13 can't move on storage rack 5.
Referring to fig. 4 to 6, the interference portion 72 is also cylindrical, and the interference portion 72 is also hollow. Conveying channel 4's one end is connected with raw materials collection device, and the other end upwards extends and forms the opening, and open-ended one end sets up to the shape in sky circle place, and conflict portion 72's shape and conveying channel 4's opening shape looks adaptation, conflict portion 72 can closely laminate with the opening.
Referring to fig. 3 and 7, in order to further enhance the placing effect of the raw material barrel 13 on the storage rack 5, the storage rack 5 is further provided with fixing belts 55, and the number of the fixing belts 55 can be set to one to three as required, in this embodiment, one fixing belt 55 is provided. One end of the fixing belt 55 is fixedly connected with the upright 51 at one side of the storage rack 5, and the other end is provided with a hook 56, and the hook 56 can be hung on the upright 51 at the other side of the storage rack 5. After the fixing band 55 is hung and is established, can tie up former storage bucket 13 on storage rack 5, further strengthened fixed effect.
Referring to fig. 8, a locking screw 8 is disposed at one side of the opening of the conveying channel 4, and the locking screw 8 is rotatably connected with the conveying channel 4. Meanwhile, one side, close to the locking screw 8, of the abutting part 72 is provided with a locking groove 721, the shape of the locking groove 721 corresponds to that of the locking screw 8, the locking rod can be embedded into the locking groove 721, the abutting part 72 and the conveying channel 4 can be fastened by screwing the locking screw 8, and the connecting effect is guaranteed.
Referring to fig. 5, after the raw material enters the conveying channel 4 from the raw material barrel 13 through the connecting sleeve 7, a pile may be formed, which may cause a blockage, and affect the conveying of the raw material, so that a stirring rod 9 is provided at one end of the conveying channel 4 close to the storage rack 5, and a helical blade is provided on the stirring rod 9. One end of the stirring rod 9 is arranged inside the conveying channel 4, the other end of the stirring rod extends out of the conveying channel 4, one end of the stirring rod 9 extending out is connected with a driving motor 10 through a coupler, and the driving motor 10 is fixed on the plane of the rack 1 through a motor frame 11. The driving motor 10 can drive the stirring rod 9 to rotate, and the raw materials can not be blocked by the rotation of the stirring rod 9, so that the conveying effect is ensured.
With reference to fig. 1 and 2, the above arrangement solves the laborious process of releasing raw materials from the raw material bucket 13, but in order to further improve the efficiency of feeding, the frame 1 is further provided with a transport platform 12, the transport platform 12 is provided on one side of the storage rack 5, and if the storage rack 5 is provided with two, the transport platform 12 is also provided with two. The one end that transports platform 12 is close to storage rack 5, and the other end sets up to the inclined plane, and former storage bucket 13 can push away to transport platform 12 through the inclined plane on, then transport storage rack 5 by, directly place storage rack 5 on can, labour saving and time saving more.
The implementation principle of the embodiment is as follows: with former storage bucket 13 along the inclined plane propelling movement that transports platform 12 transport platform 12 on, then along transporting platform 12 propelling movement to storage rack 5 by side, take off the sealed lid of former storage bucket 13, then establish the lantern ring 71 cover of adapter sleeve 7 on the opening of former storage bucket 13, later insert the fixture block 735 of stopper on the trip shaft 54 of storage rack 5 to hang fixed band 55 and establish, guarantee the fixed effect of former storage bucket 13. Then, the switching handle 732 is rotated to ensure that the sealing part 73 is in a sealing state, and then the servo motor is started manually or by a remote controller to drive the storage rack 5 to start to turn over until the contact part 72 contacts with the opening of the conveying channel 4, and the servo motor is turned off. The locking screw 8 is rotated until the locking screw 8 is inserted into the locking groove 721, the locking screw 8 is screwed down to fix the conveying channel 4 and the connecting sleeve 7, the driving motor 10 is started at the moment to drive the stirring rod 9 to rotate, then the switching handle 732 is rotated to open the inner cavity of the sealing part 73, at the moment, the raw material is poured into the conveying channel 4 from the raw material barrel 13 through the connecting sleeve 7, and then the raw material is conveyed into the raw material collecting device through the conveying channel 4, so that the feeding process is completed.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered by the protection scope of the utility model.

Claims (8)

1. The utility model provides a raw material barrel loading attachment of medicine, includes frame (1), its characterized in that: a conveying channel (4) is arranged in the rack (1), one end of the conveying channel (4) extends out of the rack (1), a storage rack (5) is arranged beside the conveying channel (4), a raw material barrel (13) is placed on the storage rack (5), a motor box (6) is arranged on the side face of the storage rack (5), a servo motor is arranged in the motor box (6) and close to the top of the motor box, an output shaft of the servo motor is fixedly connected with the top end of the storage rack (5), and the servo motor can drive the storage rack (5) to turn over; one end of the conveying channel (4) close to the storage rack (5) is provided with a stirring rod (9), one end of the stirring rod (9) extends out of the conveying channel (4), and the extending end of the stirring rod is connected with a driving motor (10); the opening part of the raw material barrel (13) is provided with a connecting sleeve (7), the connecting sleeve (7) can be turned over to be communicated with the conveying channel (4), the conveying channel (4) is rotatably connected with a locking screw rod (8), a locking groove (721) is formed in the connecting sleeve (7), and the locking screw rod (8) can be inserted into the locking groove (721).
2. A pharmaceutical raw material barrel loading unit according to claim 1, wherein: adapter sleeve (7) are including lantern ring (71), conflict portion (72) and sealing part (73), lantern ring (71) cover is established on former storage bucket (13), conflict portion (72) are inconsistent with transfer passage (4), sealing part (73) set up between lantern ring (71) and conflict portion (72).
3. A pharmaceutical raw material drum charging device according to claim 2, characterized in that: the lantern ring (71) comprises a first half ring (711) and a second half ring (712), one end of the first half ring (711) is rotatably connected with one end of the second half ring (712), and the other end of the first half ring (711) is detachably connected with the other end of the second half ring (712).
4. A pharmaceutical raw material barrel loading unit according to claim 2, characterized in that: the sealing portion (73) is provided with a limiting seat (734), a clamping block (735) is arranged at the end portion of the limiting seat (734), and the clamping block (735) is sleeved on the storage rack (5).
5. A pharmaceutical raw material barrel loading unit according to claim 2, characterized in that: a sealing turning plate (731) is arranged in the sealing part (73), a switching handle (732) is arranged on the outer wall of the sealing part (73), and the switching handle (732) is connected with the sealing turning plate (731) through a connecting rod (733).
6. A pharmaceutical raw material barrel loading unit according to claim 1, wherein: the frame (1) is provided with baffler (2) all around, operation mouth (3) have been seted up on baffler (2).
7. A pharmaceutical raw material barrel loading unit according to claim 1, wherein: the storage rack (5) is provided with a fixing belt (55), one end of the fixing belt is fixedly connected with one side of the storage rack (5), the other end of the fixing belt is provided with a hook (56), and the hook (56) can be hung on the other side of the storage rack (5).
8. A pharmaceutical raw material barrel loading unit according to claim 1, wherein: and a conveying platform (12) is arranged on one side of the storage rack (5), one end of the conveying platform (12) is close to the storage rack (5), and the other end of the conveying platform is an inclined plane.
CN202123270050.6U 2021-12-24 2021-12-24 Raw material barrel loading attachment of medicine Active CN216661831U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202123270050.6U CN216661831U (en) 2021-12-24 2021-12-24 Raw material barrel loading attachment of medicine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202123270050.6U CN216661831U (en) 2021-12-24 2021-12-24 Raw material barrel loading attachment of medicine

Publications (1)

Publication Number Publication Date
CN216661831U true CN216661831U (en) 2022-06-03

Family

ID=81792952

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202123270050.6U Active CN216661831U (en) 2021-12-24 2021-12-24 Raw material barrel loading attachment of medicine

Country Status (1)

Country Link
CN (1) CN216661831U (en)

Similar Documents

Publication Publication Date Title
CN104996168B (en) Intelligent bagging charger
CN106964276A (en) A kind of automatic fertilizer compounding machine and its fertilizer management method
CN209089648U (en) A kind of feeding live pig slot
CN216661831U (en) Raw material barrel loading attachment of medicine
CN109625738A (en) Canning material automatic discharge apparatus
CN205773258U (en) A kind of glycerin filling apparatus
CN110481913B (en) Automatic medicine filling machine
CN110905208A (en) Mud transfer device for construction
CN205525252U (en) Likepowder condiment automatic -mixing package system
CN2904911Y (en) Multifunctional full-automatic food processor
CN220411075U (en) Rice packing liquid filling machine
CN210419795U (en) Fertilizer fermentation cylinder ejection of compact machine
CN211253176U (en) Tablet split charging device for pharmacy
CN208813538U (en) A kind of seed packaging scale with elevator
CN209791401U (en) Pig feed stirring device
CN210001561U (en) automatic bottle cap mounting equipment
CN207479589U (en) A kind of automatic charging system for stopper production
CN219821880U (en) Tea making and canning equipment
CN219215450U (en) Granule medicine filling equipment
CN205274744U (en) Stirring batching conveyor
CN206024565U (en) Open granary stores up grain system and seed grain harvester
CN220445646U (en) Automatic assembly machine for culture tubes
CN215480878U (en) Mixed fermentation device
CN220280154U (en) Batching conveyor of PVC tubular product production line
CN215155851U (en) Agalloch eaglewood tealeaves split packing mechanism is exclusively used in

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant