CN209749070U - active demoulding type residual film recycling machine - Google Patents
active demoulding type residual film recycling machine Download PDFInfo
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- CN209749070U CN209749070U CN201920451520.2U CN201920451520U CN209749070U CN 209749070 U CN209749070 U CN 209749070U CN 201920451520 U CN201920451520 U CN 201920451520U CN 209749070 U CN209749070 U CN 209749070U
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- film
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- wheel
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Abstract
The utility model relates to the field of agricultural machinery, in particular to an active demoulding type plastic film residue recycling machine, which comprises a frame (3) and a speed reducer (4), wherein the frame (3) comprises an upper beam and a lower beam which are horizontally arranged, the speed reducer (4) is connected with a speed reducer power output shaft (18), and the plastic film residue recycling machine also comprises a soil screening and plastic film residue conveying device (2) and a plastic film picking and demoulding device (7); the utility model discloses an initiative deciduate formula plastic film residue collector is rational in infrastructure, think about ingenious, will be attached to the soil and the fertilizer sieve of plastic film residue through chain sieve soil area and fall, the film picking tooth is because self action of gravity initiative swing deciduate, and the plastic film residue directly falls into in the collection membrane case and the landing is to collection membrane case rear portion to the operation is retrieved to disposable incomplete membrane of accomplishing, has effectively improved the reliability and the deciduate efficiency of equipment, and reliable operation time is long in succession.
Description
Technical Field
The utility model relates to the field of agricultural machinery, in particular to initiative drawing of patterns formula plastic film residue collector.
Background
At present, the plastic film mulching cultivation technology is widely popularized and applied to crop cultivation to solve the yield increase problem of cold and dry lands. Although the plastic film mulching planting technology is an effective way for improving the crop yield, if the residual plastic film left in the field cannot be timely recovered, the environmental pollution is caused, the plastic film left on the ground surface can be ploughed into plough layer soil, the gathering of the residual plastic film influences the soil permeability, soil hardening and fertility reduction are caused, the normal absorption of water and nutrients by crops is influenced, the germination of seeds is influenced, and the growth and development of crop root systems are difficult. The plastic film mulching planting area is wide in China, the plastic film mulching year limit is long, and the residual plastic film is not recovered and treated in time, so that the quantity of the waste and residual plastic films in the farmland is increased sharply.
The existing residual mulching film recycling machine is not perfect in mechanism, and when the mulching films are recycled, the mulching films can carry a large amount of soil and fertilizers on the plough layer ground; the incomplete membrane winding is in the film raising tooth, is difficult to the demoulding, and the clearance is got up and is wasted time and energy, and increases behind the solitary demoulding device demoulding effect and is not ideal, makes machine structure complicated, and manufacturing has great limitation.
Disclosure of Invention
An object of the utility model is to provide an initiative deciduate formula plastic film residue collector, it can solve when retrieving the plastic film residue effectively that the plastic film residue smugglies a large amount of soil and fertilizer secretly and the problem that the plastic film picking tooth is difficult to the deciduate.
the utility model aims at realizing through the following technical scheme:
An active demoulding type residual film recycling machine comprises a rack 3 and a speed reducer 4, wherein the rack 3 comprises an upper cross beam and a lower cross beam which are horizontally arranged, the speed reducer 4 is connected with a power output shaft 18 of the speed reducer, and the residual film recycling machine further comprises a soil screening and residual film conveying device 2 and a film picking and demoulding device 7; wherein the content of the first and second substances,
The soil screening and residual film conveying device 2 comprises a front support belt wheel 16, a second rubber plum blossom wheel 26, a soil screening belt driving shaft 25 and a chain soil screening belt 27;
The front supporting belt wheels 16 are symmetrically fixed at the lower part of the frame 3 and are used for guiding and supporting the chain soil screening belt 27; the soil screening belt driving shaft 25 is transversely arranged at the upper part of a lower cross beam of the frame 3 through a pair of bearing seats, and the same second rubber plum-blossom-shaped wheels 26 are sleeved at the left end and the right end of the soil screening belt driving shaft 25; the chain soil screening belt 27 is arranged between the front support belt wheel 16 and the second rubber plum blossom wheel 26;
The film picking and stripping device 7 comprises a film picking tooth mechanism 9, a first rubber plum blossom wheel 10, a PVC industrial belt 23, an upper driven roller 22 and a lower driving roller 24;
the upper driven roller 22 is transversely arranged on the upper part of an upper cross beam of the frame 3 through a pair of bearing seats, the lower driving roller 24 is transversely arranged on the lower part of a lower cross beam of the frame 3 through a pair of bearing seats, and the same first rubber plum blossom wheels 10 are sleeved at the left and right ends of the upper driven roller 22 and the lower driving roller 24;
The PVC industrial belt 23 is arranged between the upper driven roller 22 and the lower driving roller 24, and the film raising tooth mechanisms 9 are fixedly connected to the PVC industrial belt 23 in parallel at equal intervals;
the film-raising tooth mechanism 9 comprises a film-raising tooth seat 28, a pin shaft 29, a tooth-supporting seat sheet 30 and film-raising teeth 31;
The denture base plate 30 is fixed on the outer surface of the PVC industrial belt 23; the pick-tooth seat 28 is vertically and fixedly connected to the tooth support seat sheet 30; the pick-up block 28 is of a groove-shaped structure with a semi-closed bottom, wherein a closed groove wall of the semi-closed groove-shaped structure is arranged behind the pick-up block 28 in the moving direction, and an open structure is arranged in front of the pick-up block 28 in the moving direction; through holes corresponding to the positions are respectively arranged on the tooth picking seat 28 and the film picking teeth 31, and the pin shaft 29 penetrates through the through holes; the film picking teeth 31 are in interference fit with the pin shaft 29, the film picking tooth holder 28 is in clearance fit with the pin shaft 29, and the film picking teeth 31 can freely swing in the film picking tooth holder 28 with a certain amplitude.
The soil screening and residual film conveying device 2 is connected with a power output shaft 18 of the speed reducer through a first transmission system, and the film picking and stripping device 7 is connected with the soil screening and residual film conveying device 2 through a second transmission system.
The first transmission system comprises a first small belt wheel 5, a first large belt wheel 14 and a first V-shaped belt 6; the first small belt wheel 5 is sleeved on the power output shaft 18 of the speed reducer, the first large belt wheel 14 is sleeved on the soil screening belt driving shaft 25, and the first small belt wheel 5 and the first large belt wheel 14 are connected through a first V-shaped belt 6;
The second transmission system comprises a second small belt wheel 15, a second large belt wheel 12 and a second V-shaped belt 13; wherein, the second small belt wheel 15 is sleeved on the driving shaft 25 of the soil sieving belt and is positioned outside the first large belt wheel 14, the second large belt wheel 12 is arranged on the lower driving roller 24, and the second small belt wheel 15 and the second large belt wheel 12 are connected through a second V-shaped belt 13.
The chain soil screening belt 27 has the structure: the equally spaced chains are fixedly connected between the two identical belts, and the spacing of the chains is adapted to the teeth of the second rubber plum-blossom wheel 26.
The residual film recycling machine further comprises a film collecting box 8, wherein a side plate 20 of the film collecting box 8 is vertically and fixedly connected between an upper cross beam and a lower cross beam of the rack 3; the rear half part of the bottom plate 21 of the film collecting box 8 is horizontally attached to the upper surface of the lower beam of the frame 3 and fixedly connected with the side plate 20, and the front half part and the beam plane of the frame 3 upwards form a certain angle and properly extend.
The beneficial effects of the utility model reside in that:
the utility model discloses an initiative deciduate formula plastic film residue collector is rational in infrastructure, think about ingenious, will be attached to the soil and the fertilizer sieve of plastic film residue through chain sieve soil area and fall, the film picking tooth is because self action of gravity initiative swing deciduate, and the plastic film residue directly falls into in the collection membrane case and the landing is to collection membrane case rear portion to the operation is retrieved to disposable incomplete membrane of accomplishing, has effectively improved the reliability and the deciduate efficiency of equipment, and reliable operation time is long in succession.
drawings
FIG. 1 is a front view of the active stripping type plastic film residue collector of the present invention;
FIG. 2 is a complete machine perspective view of the active stripping type plastic film residue recycling machine of the present invention;
FIG. 3 is an isometric view of the film-picking tooth mechanism 9 of the active film-stripping type residual film recycling machine of the present invention;
Fig. 4 is an axonometric view of the chain soil sieving belt 27 of the active stripping type plastic film residue recycling machine of the present invention.
Reference numerals:
1. Soil loosening shovel 2, soil screening and residual film conveying device
3. frame 4, reduction gear
5. a first small belt wheel 6 and a first V-shaped belt
7. film picking and stripping device 8 and film collecting box
9 film-raising tooth mechanism 10 first rubber plum blossom wheel
11 rear wheel 12 second big belt wheel
13 second V-belt 14 first large belt wheel
15 second small belt wheel 16 front support belt wheel
17 adjusting bolt 18 reducer power output shaft
19 upper cover plate 20 side plate
21 driven rollers on the base plate 22
24 lower driving rollers of 23PVC industrial belt
25-mesh soil second rubber plum-blossom wheel with driving shaft 26
28 picking tooth seats of 27 chain soil screening belt
29 pin shaft 30 support tooth seat sheet
31 film raising tooth 32 traction device
Detailed Description
The following describes in detail the embodiment of the active stripping type plastic film residue recycling machine according to the present invention with reference to the drawings and the examples.
As shown in fig. 1 and 2, the active demoulding type plastic film residue recycling machine of the utility model comprises a frame 3, a break shovel 1, a speed reducer 4, a soil screening and plastic film residue conveying device 2, a film picking and demoulding device 7, a film collecting box 8, a rear wheel 11 and a traction device 32.
The frame 3 includes an upper beam and a lower beam arranged horizontally. The rear end of the traction device 32 is fixedly connected with the front end of the frame 3, and the active demoulding type residual film recycling machine of the utility model is connected with the rear end of the tractor through the traction device 32. The speed reducer 4 is arranged above the front end of the frame 3, and the speed reducer 4 is connected with a speed reducer power output shaft 18. The rear wheel 11 is disposed at a lower rear end of the frame 3. The break shovel 1 is positioned at the lower part of the front end of the frame 3, and the angle between the break shovel and the ground of the cultivated land can be adjusted through adjusting bolts 17 which are positioned on the frame 3 in a bilateral symmetry mode, so that the soil penetration depth can be changed.
the soil and plastic film residue conveying device 2 comprises a front support belt wheel 16, a second rubber plum blossom wheel 26, a soil screening belt driving shaft 25 and a chain soil screening belt 27.
the preposed supporting belt wheels 16 are symmetrically fixed at the lower part of the frame 3 through bolts respectively and are used for guiding and supporting a chain soil screening belt 27, a soil screening belt driving shaft 25 is transversely arranged at the upper part of a lower cross beam of the frame 3 through a pair of bearing seats, the left end and the right end of the soil screening belt driving shaft 25 are sleeved with the same second rubber plum blossom wheels 26, and the chain soil screening belt 27 is arranged between the preposed supporting belt wheels 16 and the second rubber plum blossom wheels 26.
As shown in fig. 4, the chain soil screening belt 27 has the structure: the equally spaced chains are fixedly connected between the two identical belts, and the spacing of the chains is adapted to the teeth of the second rubber plum-blossom wheel 26.
the film picking and stripping device 7 comprises a film picking tooth mechanism 9, a first rubber plum blossom wheel 10, a PVC industrial belt 23, an upper driven roller 22 and a lower driving roller 24.
the upper driven rollers 22 are transversely disposed on the upper portion of the upper cross beam of the frame 3 through a pair of bearing blocks, and the lower driving rollers 24 are transversely disposed on the lower portion of the lower cross beam of the frame 3 through a pair of bearing blocks. The same first rubber plum blossom wheels 10 are sleeved at the left end and the right end of the upper driven roller 22 and the lower driving roller 24.
A PVC industrial belt 23 is installed between the upper driven roller 22 and the lower driving roller 24. The film raising tooth mechanisms 9 are fixedly connected on the PVC industrial belt 23 in parallel at equal intervals.
as shown in FIG. 3, the film pick mechanism 9 includes a pick holder 28, a pin 29, a carrier plate 30, and a film pick 31.
The denture base plate 30 is fixed to the outer surface of the PVC industrial belt 23. The pick-up toothholder 28 is vertically fixed on the carrier toothholder piece 30. The pick block 28 has a groove-like structure with a semi-closed bottom, wherein a closed groove wall of the semi-closed groove-like structure is provided behind the pick block 28 in the moving direction, and a groove wall is not provided in front of the pick block 28 in the moving direction, and the pick block has an open structure. Through holes corresponding to the positions are respectively arranged on the tooth picking seat 28 and the film picking teeth 31, and the pin shaft 29 penetrates through the through holes; the film picking teeth 31 are in interference fit with the pin shaft 29, the film picking tooth seat 28 is in clearance fit with the pin shaft 29, and the film picking teeth 31 can freely swing in the film picking tooth seat 28 in a certain range under the action of self gravity.
As shown in FIG. 2, the soil sieving and plastic film residue conveying device 2 is connected with the power output shaft 18 of the speed reducer through a first transmission system, and the film picking and stripping device 7 is connected with the soil sieving and plastic film residue conveying device 2 through a second transmission system.
the first transmission system comprises a first small belt wheel 5, a first large belt wheel 14 and a first V-shaped belt 6; wherein, the first small belt wheel 5 is sleeved on the power output shaft 18 of the speed reducer, the first big belt wheel 14 is sleeved on the driving shaft 25 of the soil sieving belt, and the first small belt wheel 5 and the first big belt wheel 14 are connected through the first V-shaped belt 6.
The second transmission system comprises a second small belt wheel 15, a second large belt wheel 12 and a second V-shaped belt 13; wherein, the second small belt wheel 15 is sleeved on the driving shaft 25 of the soil sieving belt and is positioned outside the first large belt wheel 14, the second large belt wheel 12 is arranged on the lower driving roller 24, and the second small belt wheel 15 and the second large belt wheel 12 are connected through a second V-shaped belt 13.
the power of the rear output shaft of the tractor is transmitted to the first small belt wheel 5 through the power output shaft 18 of the speed reducer 4, the first small belt wheel 5 transmits the power to the first big belt wheel 14 and the coaxial second small belt wheel 15 through the first V-shaped belt 6, and the first big belt wheel 14 drives the soil screening belt driving shaft 25 to rotate, so that the soil screening and residual film conveying device 2 works.
The second small belt wheel 15 transmits power to the second large belt wheel 12 through the second V-shaped belt 13, the second large belt wheel 12 drives the coaxial lower driving roller 24, and the lower driving roller 24 rotates to enable the film picking and stripping device 7 to rotate circularly.
As shown in figure 1, when the film raising tooth mechanism 9 on the PVC industrial belt 23 moves to the position of the upper driven roller 22, as no groove wall is arranged in front of the movement direction of the film raising seat 28, the film raising tooth 31 is of an open structure, the film raising tooth acts on the film raising seat 28 under the action of self gravity to actively droop and swing along with the movement of the PVC industrial belt 23, the residual film on the film raising tooth 31 automatically falls into the film collecting box 8, the problem that the residual film is difficult to demould due to the film raising tooth is solved, and the residual film slides to the rear part of the film collecting box 8 along the inclined bottom plate 21 of the film collecting box 8.
When the film picking tooth mechanism 9 on the PVC industrial belt 23 moves to the position of the lower driving roller 24, the closed groove wall of the semi-closed groove-shaped structure is arranged behind the motion direction of the film picking tooth seat 28, the film picking teeth 31 abut against the groove wall due to self gravity and are therefore perpendicular to the film picking tooth seat piece 30, and the film picking teeth 31 can always keep a state perpendicular to the film picking tooth seat piece 30 in the process of moving from the position of the lower driving roller 24 to the position of the upper driven roller 22, so that the film picking process is realized.
As shown in fig. 1 and 2, the film collecting box 8 is located at the rear part of the frame 3, and the side plate 20 of the film collecting box 8 is vertically and fixedly connected between the upper cross beam and the lower cross beam of the frame 3. The rear half part of the bottom plate 21 of the film collecting box 8 is horizontally attached to the upper surface of the lower beam of the frame 3 and fixedly connected with the side plate 20, and the front half part and the beam plane of the frame 3 upwards form a certain angle and properly extend. Incomplete membrane can direct landing to collection membrane case 8 rear portion, prevents that collection membrane case 8 front end incomplete membrane from piling up and increased collection membrane case 8 connect the membrane area.
As shown in fig. 2, the residual film recycling machine is further provided with an upper cover plate 19; wherein, the upper cover plate 19 is fixedly connected to the top of the frame 3.
The utility model discloses a work engineering of initiative deciduate formula plastic film residue collector does:
The utility model discloses an initiative deciduate formula plastic film residue collector passes through draw gear 32 and connects in the rear portion of tractor, and power transmission through reduction gear 4, first transmission system, second transmission system with the rear output shaft of tractor is for sieve soil area driving shaft 25 and lower drive roll 24 to drive sieve soil and plastic film residue conveyor 2 and pick up the work of membrane demoulding device 7.
With the advance of the tractor, the soil mixed with the residual film is shoveled by the break shovel 1, the film soil mixture moves to the soil sieving and residual film conveying device 2 through the advancing power of the machine and the thrust of the newly shoveled film soil mixture, the soil and fertilizer can fall from the chain gaps of the chain soil sieving belt 27, and the sieved residual film moves to the rear end of the chain soil sieving belt 27 and can be picked up by the film picking teeth 31 in the film picking and stripping device 7. When the residual film moves to the position of the upper driven roller 22 along with the film raising teeth 31, the film raising teeth 31 automatically droop under the action of self gravity and swing along with the movement of the PVC industrial belt 23, and the residual film is actively taken off, so that the problem that the residual film is difficult to take off from the film raising teeth is solved. The fallen residual film slides to the rear part of the film collecting box 8 along the inclined bottom plate 21 of the film collecting box 8. When the film picking teeth 31 move to the position of the lower driving roller 24, the film picking seats 28 are of a groove-shaped structure with semi-closed bottom, the film picking teeth 31 are perpendicular to the film supporting seat piece 30 due to self gravity, and the film picking teeth 31 are always kept perpendicular to the film supporting seat piece 30 in the moving process from the lower driving roller 24 to the upper driven roller 22, so that the film picking process is realized.
The process is repeated, and finally the residual mulch in the cultivated land is recovered.
Claims (5)
1. The utility model provides an initiative decidua formula plastic film residue collector, includes frame (3) and reduction gear (4), frame (3) are including the entablature and the bottom end rail of horizontal arrangement, reduction gear (4) are connected with reduction gear power output shaft (18), its characterized in that:
the residual film recycling machine also comprises a soil screening and residual film conveying device (2) and a film picking and stripping device (7); wherein the content of the first and second substances,
The soil screening and residual film conveying device (2) comprises a front support belt wheel (16), a second rubber plum-blossom wheel (26), a soil screening belt driving shaft (25) and a chain soil screening belt (27);
The front supporting belt wheels (16) are symmetrically fixed at the lower part of the frame (3) and are used for guiding and supporting the chain soil sieving belt (27); the soil screening belt driving shaft (25) is transversely arranged at the upper part of a lower cross beam of the rack (3) through a pair of bearing seats, and the left end and the right end of the soil screening belt driving shaft (25) are sleeved with the same second rubber plum-blossom wheels (26); the chain soil screening belt (27) is arranged between the front support belt wheel (16) and the second rubber plum blossom wheel (26);
the film picking and stripping device (7) comprises a film picking tooth mechanism (9), a first rubber plum blossom wheel (10), a PVC industrial belt (23), an upper driven roller (22) and a lower driving roller (24);
The upper driven roller (22) is transversely arranged on the upper part of an upper cross beam of the rack (3) through a pair of bearing seats, the lower driving roller (24) is transversely arranged on the lower part of a lower cross beam of the rack (3) through a pair of bearing seats, and the left end and the right end of the upper driven roller (22) and the left end and the right end of the lower driving roller (24) are respectively sleeved with the same first rubber plum blossom wheel (10);
The PVC industrial belt (23) is arranged between the upper driven roller (22) and the lower driving roller (24), and the film raising tooth mechanisms (9) are fixedly connected to the PVC industrial belt (23) in parallel at equal intervals;
The film raising tooth mechanism (9) comprises a raising tooth seat (28), a pin shaft (29), a tooth support seat sheet (30) and film raising teeth (31);
The tooth supporting seat sheet (30) is fixed on the outer surface of the PVC industrial belt (23); the pick-tooth seat (28) is vertically and fixedly connected to the tooth support seat sheet (30); the pick-up tooth seat (28) is of a groove-shaped structure with a semi-closed bottom, wherein a closed groove wall of the semi-closed groove-shaped structure is arranged behind the pick-up tooth seat (28) in the moving direction, and an open structure is arranged in front of the pick-up tooth seat (28) in the moving direction; through holes corresponding in position are respectively formed in the picking tooth seat (28) and the film picking tooth (31), and a pin shaft (29) penetrates through the through holes; the film picking teeth (31) are in interference fit with the pin shaft (29), the film picking seat (28) is in clearance fit with the pin shaft (29), and the film picking teeth (31) can freely swing in the film picking seat (28) with a certain amplitude.
2. The active stripping type residual film recycling machine according to claim 1, characterized in that:
The soil screening and residual film conveying device (2) is connected with a power output shaft (18) of the speed reducer through a first transmission system, and the film picking and stripping device (7) is connected with the soil screening and residual film conveying device (2) through a second transmission system.
3. The active stripping type residual film recycling machine according to claim 2, characterized in that:
The first transmission system comprises a first small belt wheel (5), a first large belt wheel (14) and a first V-shaped belt (6); the first small belt wheel (5) is sleeved on a power output shaft (18) of the speed reducer, the first large belt wheel (14) is sleeved on a soil screening belt driving shaft (25), and the first small belt wheel (5) and the first large belt wheel (14) are connected through a first V-shaped belt (6);
The second transmission system comprises a second small belt wheel (15), a second large belt wheel (12) and a second V-shaped belt (13); the second small belt wheel (15) is sleeved on the soil screening belt driving shaft (25) and located on the outer side of the first large belt wheel (14), the second large belt wheel (12) is installed on the lower driving roller (24), and the second small belt wheel (15) is connected with the second large belt wheel (12) through a second V-shaped belt (13).
4. The active stripping type residual film recycling machine according to claim 1, characterized in that:
The chain soil screening belt (27) has the structure that: the chains with equal intervals are fixedly connected between the two same belts, and the intervals of the chains are matched with the teeth of the second rubber plum-blossom wheel (26).
5. the active stripping type residual film recycling machine according to claim 1, characterized in that:
The residual film recycling machine further comprises a film collecting box (8), wherein a side plate (20) of the film collecting box (8) is vertically and fixedly connected between an upper cross beam and a lower cross beam of the rack (3); the rear half part of a bottom plate (21) of the film collecting box (8) is horizontally attached to the upper surface of a lower beam of the frame (3) and fixedly connected with the side plate (20), and the front half part and the beam plane of the frame (3) upwards form a certain angle and properly extend.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920451520.2U CN209749070U (en) | 2019-04-04 | 2019-04-04 | active demoulding type residual film recycling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920451520.2U CN209749070U (en) | 2019-04-04 | 2019-04-04 | active demoulding type residual film recycling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209749070U true CN209749070U (en) | 2019-12-10 |
Family
ID=68758006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920451520.2U Expired - Fee Related CN209749070U (en) | 2019-04-04 | 2019-04-04 | active demoulding type residual film recycling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209749070U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111972064A (en) * | 2020-09-17 | 2020-11-24 | 毕节市农业机械研究所 | Adjustable self-demoulding efficient film picking mechanism and device |
-
2019
- 2019-04-04 CN CN201920451520.2U patent/CN209749070U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111972064A (en) * | 2020-09-17 | 2020-11-24 | 毕节市农业机械研究所 | Adjustable self-demoulding efficient film picking mechanism and device |
| CN111972064B (en) * | 2020-09-17 | 2023-04-25 | 毕节市农业机械研究所 | Adjustable self-falling film type efficient film picking mechanism and device |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191210 Termination date: 20210404 |
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| CF01 | Termination of patent right due to non-payment of annual fee |