CN109094834B - Empty bag removing mechanism - Google Patents
Empty bag removing mechanism Download PDFInfo
- Publication number
- CN109094834B CN109094834B CN201811027344.6A CN201811027344A CN109094834B CN 109094834 B CN109094834 B CN 109094834B CN 201811027344 A CN201811027344 A CN 201811027344A CN 109094834 B CN109094834 B CN 109094834B
- Authority
- CN
- China
- Prior art keywords
- fixedly arranged
- bag
- clamping mechanism
- cylinder
- barrel
- 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.)
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- 230000007246 mechanism Effects 0.000 title claims abstract description 52
- 238000004806 packaging method and process Methods 0.000 claims abstract description 8
- 235000011194 food seasoning agent Nutrition 0.000 claims description 25
- 239000000463 material Substances 0.000 claims description 24
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 10
- 238000007789 sealing Methods 0.000 description 6
- 239000004278 EU approved seasoning Substances 0.000 description 5
- 238000007599 discharging Methods 0.000 description 3
- 238000012858 packaging process Methods 0.000 description 3
- 238000009924 canning Methods 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B3/00—Packaging plastic material, semiliquids, liquids or mixed solids and liquids, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
- B65B3/04—Methods of, or means for, filling the material into the containers or receptacles
- B65B3/10—Methods of, or means for, filling the material into the containers or receptacles by application of pressure to material
- B65B3/12—Methods of, or means for, filling the material into the containers or receptacles by application of pressure to material mechanically, e.g. by pistons or pumps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/34—Sorting according to other particular properties
- B07C5/3404—Sorting according to other particular properties according to properties of containers or receptacles, e.g. rigidity, leaks, fill-level
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B43/00—Forming, feeding, opening or setting-up containers or receptacles in association with packaging
- B65B43/42—Feeding or positioning bags, boxes, or cartons in the distended, opened, or set-up state; Feeding preformed rigid containers, e.g. tins, capsules, glass tubes, glasses, to the packaging position; Locating containers or receptacles at the filling position; Supporting containers or receptacles during the filling operation
- B65B43/46—Feeding or positioning bags, boxes, or cartons in the distended, opened, or set-up state; Feeding preformed rigid containers, e.g. tins, capsules, glass tubes, glasses, to the packaging position; Locating containers or receptacles at the filling position; Supporting containers or receptacles during the filling operation using grippers
Abstract
The invention discloses an empty bag removing mechanism, wherein a first bag clamping mechanism (8) and a second bag clamping mechanism (9) are arranged on the edge of a rotary table (7), the second bag clamping mechanism (9) comprises a barrel (29), a hinge seat (10) and a lower clamping plate (11) are respectively fixedly arranged at the top and the bottom of one end of the barrel (29), a second connecting rod (12) is hinged on the hinge seat (10), an upper clamping plate (13) is fixedly arranged at the lower part of the second connecting rod (12), the other end of the barrel (29) is fixedly arranged on the edge of the rotary table (7), a U-shaped groove (14) is formed in the side surface of the end of the barrel (29), a limit column (15) is arranged in the U-shaped groove (14), and a guide sleeve (16) and a sliding block (17) capable of sliding along the axis of the barrel (29) are sequentially arranged in the barrel (29) away from the direction of the hinge seat (10). The beneficial effects of the invention are as follows: compact structure, ensures that empty bags can not flow into subsequent packaging procedures, improves the operation efficiency of the mechanism and is simple to operate.
Description
Technical Field
The invention relates to the technical field of empty bag removing in a bag feeding type packaging machine, in particular to an empty bag removing mechanism.
Background
The existing bag feeding type packaging machine comprises a workbench, a rotary table and a stepping motor, wherein the stepping motor is vertically and fixedly arranged on the workbench, the rotary table is arranged on an output shaft of the stepping motor and is located above the workbench, a bag feeding device, a bag opening device, a charging device, a sealing device and a discharging device are sequentially arranged on the workbench and around the circumferential direction of the rotary table, a left bag clamping arm and a right bag clamping arm for clamping two sides of a bag body are arranged on the edge of the rotary table, the charging device and the sealing device are both arranged on the workbench, the charging device is located on the left side of the rotary table, the charging device comprises a material pump, a seasoning storage tank and a frame fixedly arranged on the workbench, a blanking hopper is arranged on the frame, the blanking hopper is located right above an area formed by the left bag clamping arm and the right bag clamping arm, a suction port of the material pump is connected with a suction pipe, the other end of the suction pipe stretches into the seasoning storage tank, a discharge pipe is connected with a discharge pipe at the discharge port of the material pump, and the discharge pipe stretches into the inside.
When the bag feeding type packaging machine works, the bag feeding device sends empty bags to the execution ends of the left bag clamping arm and the right bag clamping arm, the stepping motor drives the rotary table to rotate, so that the clamped empty bags enter a bag opening station, the bag opening device opens the empty bags, then the bag opening device rotates a charging station along with the rotary table, namely, the opening of the empty bags is positioned right below the blanking hopper, then a worker opens the material pump, the material pump pumps liquid seasonings in the seasoning storage tank into the blanking hopper, the seasonings enter the empty bags from the opening of the empty bags, and accordingly liquid seasonings are charged, the stepping motor is controlled to rotate again after charging is completed, the bags enter a sealing station, and the top opening of the bags is sealed in a heat mode through the sealing device.
However, in the loading station, sometimes, due to bad bag opening, bad blanking, or material shortage, etc., no material exists in the bag body, so that the empty bag body flows into the next packaging process after being sealed, and defective products flow out, even if workers see that the empty bag enters the next process, the empty bag is difficult to be directly unloaded, and the bagging machine is in a working state, and the direct operation is dangerous. There is therefore a need for a mechanism that can remove empty bags in time after filling.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the empty bag removing mechanism which has compact structure, ensures that empty bags cannot flow into subsequent packaging procedures, improves the operation efficiency of the mechanism and is simple to operate.
The aim of the invention is achieved by the following technical scheme: the empty bag removing mechanism comprises a workbench, a filling device arranged on the workbench, a bearing seat and a stepping motor, wherein the bearing seat and the stepping motor are fixedly arranged on the workbench, a rotating shaft is rotatably arranged on the bearing seat, a driven gear is arranged on the rotating shaft, a driving gear is arranged on an output shaft of the stepping motor, the driving gear is meshed with the driven gear, a rotary table above the driven gear is arranged on the rotating shaft, a first bag clamping mechanism and a second bag clamping mechanism are arranged on the edge of the rotary table, the second bag clamping mechanism comprises a cylinder body, a hinge seat and a lower clamping plate are respectively fixedly arranged at the top and the bottom of one end of the cylinder body, a second connecting rod is hinged on the hinge seat, an upper clamping plate is fixedly arranged at the lower part of the second connecting rod, the other end of the cylinder body is fixedly arranged on the edge of the rotary table, a U-shaped groove is formed in the side surface of the end part of the cylinder body, a limiting column is arranged in the U-shaped groove, a guide sleeve and a sliding block capable of sliding along the axis of the barrel are sequentially arranged in the barrel in the direction away from the hinge seat, a connecting shaft penetrating through the bottom of the U-shaped groove and the limiting column is fixedly arranged on the sliding block, a roller positioned outside the barrel is sleeved on the connecting shaft, the guide sleeve is fixedly arranged in the barrel, a pull rod is slidably mounted in the guide sleeve, one end of the pull rod is fixedly arranged on the sliding block, the other end of the pull rod is hinged with a first connecting rod, the other end of the first connecting rod is hinged with the middle part of a second connecting rod, a spring is sleeved on the pull rod, one end of the spring is fixedly arranged on the sliding block, the other end of the spring is fixedly arranged on the guide sleeve, a cylinder is fixedly arranged on the top surface of the turntable, the cylinder is positioned between the first bag clamping mechanism and the roller of the second bag clamping mechanism, and a push plate is fixedly arranged at the action end of a cylinder piston rod; the filling device comprises a material pump, a seasoning storage tank and a frame, wherein the frame is fixedly arranged on the workbench and positioned on the left side of the rotating disc, a blanking hopper positioned above the bag clamping mechanism is arranged on the frame, a suction pipe is connected to a suction port of the material pump, the other end of the suction pipe extends into the seasoning storage tank, a discharging pipe is connected to a discharge port of the material pump, and the discharging pipe extends into the blanking hopper.
The first bag clamping mechanism and the second bag clamping mechanism are symmetrically arranged.
The top of frame is provided with the mounting panel, has seted up the mounting hole on the mounting panel, the blanking hopper cartridge is in the mounting hole.
The material pump is arranged on the mounting plate, and the seasoning storage tank is arranged on the workbench.
The invention has the following advantages: (1) And designing an emptying bag station on the existing bag feeding type packaging machine, and removing the material bags which are unsuccessfully filled through an emptying bag device, so that the qualified bags and the empty bags are split. (2) The invention has compact structure, ensures that empty bags can not flow into the subsequent packaging process, and is beneficial to the realization of an automatic production line.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is a schematic structural view of a second bag clamping mechanism;
FIG. 4 is a top view of FIG. 3;
FIG. 5 is a cross-sectional view B-B of FIG. 4;
FIG. 6 is a schematic diagram of the connection of the connecting shaft to the slider;
FIG. 7 is a schematic structural view of a cylinder;
in the figure, a workbench, a 2-bearing seat, a 3-stepping motor, a 4-rotating shaft, a 5-driven gear, a 6-driving gear, a 7-turntable, an 8-first bag clamping mechanism, a 9-second bag clamping mechanism, a 10-hinge seat, a 11-lower clamping plate, a 12-second connecting rod, a 13-upper clamping plate, a 14-U-shaped groove, a 15-limit column, a 16-guide sleeve, a 17-sliding block, a 18-connecting shaft, a 19-roller, a 20-pull rod, a 21-first connecting rod, a 22-spring, a 23-cylinder, a 24-push plate, a 25-material pump, a 26-seasoning storage tank, a 27-rack, a 28-blanking hopper and a 29-cylinder.
Detailed Description
The invention is further described below with reference to the accompanying drawings, the scope of the invention not being limited to the following:
as shown in fig. 1-7, an empty bag removing mechanism comprises a workbench 1, a filling device arranged on the workbench 1, a bearing seat 2 and a stepping motor 3, wherein the bearing seat 2 is fixedly arranged on the workbench 1, a rotating shaft 4 is rotatably arranged in the bearing seat 2, a driven gear 5 is arranged on the rotating shaft 4, a driving gear 6 is arranged on an output shaft of the stepping motor 3, the driving gear 6 is meshed with the driven gear 5, a rotary table 7 positioned above the driven gear 5 is arranged on the rotating shaft 4, a first bag clamping mechanism 8 and a second bag clamping mechanism 9 are arranged on the edge of the rotary table 7, and the first bag clamping mechanism 8 and the second bag clamping mechanism 9 are symmetrically arranged.
The second bag clamping mechanism 9 comprises a barrel 29, a hinge seat 10 and a lower clamping plate 11 are respectively fixedly arranged at the top and the bottom of one end of the barrel 29, a second connecting rod 12 is hinged on the hinge seat 10, an upper clamping plate 13 is fixedly arranged at the lower part of the second connecting rod 12, the other end of the barrel 29 is fixedly arranged on the edge of the rotary table 7, a U-shaped groove 14 is formed in the side surface of the end of the barrel 29, a limit post 15 is arranged in the U-shaped groove 14, a guide sleeve 16 and a sliding block 17 capable of sliding along the axis of the barrel 29 are sequentially arranged in the barrel 29 in a direction far away from the hinge seat 10, a connecting shaft 18 penetrating through the bottom of the U-shaped groove 14 and the limit post 15 is fixedly arranged on the sliding block 17, a roller 19 positioned outside the barrel 29 is sleeved on the connecting shaft 18, the guide sleeve 16 is fixedly arranged in the barrel 29, a pull rod 20 is fixedly arranged in the guide sleeve 16 in a sliding manner, one end of the pull rod 20 is fixedly arranged on the sliding block 17, the other end of the pull rod 21 is hinged to the middle of the second connecting rod 12, a spring 22 is sleeved on the pull rod 20, one end of the other end of the pull rod 21 is fixedly arranged on the sliding block 17, the other end of the guide sleeve 16 is fixedly arranged on the guide sleeve 16, the upper surface 7 and the cylinder clamping mechanism 23 is fixedly arranged on the cylinder end of the cylinder clamping mechanism 23, and the cylinder clamping mechanism is positioned between the cylinder and the cylinder clamping mechanism 23.
The filling device comprises a material pump 25, a seasoning storage tank 26 and a rack 27, wherein the rack 27 is fixedly arranged on the workbench 1 and positioned on the left side of the turntable 7, a blanking hopper 28 positioned above the bag clamping mechanism is arranged on the rack 27, a suction pipe is connected to a suction port of the material pump 25, the other end of the suction pipe extends into the seasoning storage tank 26, a discharge pipe is connected to a discharge port of the material pump 25, and the discharge pipe extends into the blanking hopper 28.
The top of frame 27 is provided with the mounting panel, has seted up the mounting hole on the mounting panel, blanking fill 28 cartridge is in the mounting hole. The material pump 25 is arranged on the mounting plate, and the seasoning storage tank 26 is arranged on the workbench 1
The working process of the invention is as follows:
s1, in an initial state, a liquid seasoning is contained in a seasoning storage tank 26; the first bag clamping mechanism 8 and the second bag clamping mechanism 9 are both positioned at the rear side of the turntable 7, the sliding block 17 has a movement trend away from the direction of the guide sleeve 16 under the spring force of the spring 22, the connecting shaft 18 is blocked by the limiting post 15, the sliding block 17 pulls the pull rod 20 to move away from the direction of the guide sleeve 16, the second connecting rod 12 has a downward movement trend around the hinge base 10 under the pull of the first connecting rod 21, and the upper clamping plate 13 is pressed on the lower clamping plate 11;
s2, bag loading operation: one worker pulls the two rollers 19 backward, the rollers 19 drive the sliding blocks 17 to move backward along the cylinder 29 through the connecting shafts 18, the sliding blocks 17 compress the springs 22, meanwhile, the sliding blocks 17 drive the pull rods 20 to move backward, the pull rods 20 push the first connecting rods 21 to move upward, the first pull rods 20 push the second pull rods 20 to rotate upward around the hinge bases 10 by a certain angle, at the moment, the upper clamping plates 13 and the lower clamping plates 11 form a certain angle, the other worker places one side edge of the empty bag between the upper clamping plates 13 and the lower clamping plates 11 of the first bag clamping mechanism 8, then places the other side edge of the empty bag between the upper clamping plates 13 and the lower clamping plates 11 of the second bag clamping mechanism 9, after operation, the first worker releases the hand holding the two rollers 19, at the moment, the springs 22 push the sliding blocks 17 to reset, the upper clamping plates 13 press the lower clamping plates 11 to clamp the empty bag, and finally the workers pull the two side faces of the empty bag open to enlarge the upper opening of the bag body;
s3, a worker turns on the stepping motor 3, the stepping motor 3 drives the driving gear 6 to rotate, the driving gear 6 drives the driven gear 5 to rotate, the driven gear 5 drives the rotating shaft 4 to rotate, the turntable 7 is further driven to rotate, when the clamped empty bag reaches the position right below the blanking hopper 28, the worker turns off the stepping motor 3, at the moment, the worker turns on the material pump 25, the material pump 25 pumps the liquid seasoning in the seasoning storage tank 26 into the blanking hopper 28, the liquid seasoning passes through an opening of the empty bag under the gravity and enters the bag body, and after a certain period of filling, the material pump 25 is turned off, so that the seasoning canning is realized;
s4, opening the stepping motor 3 after canning, driving the bag body filled with the seasonings to rotate forwards by the turntable 7, observing the bag body rotating forwards by a worker, and if the worker observes that the bag body contains the liquid seasonings with a certain liquid level, opening the stepping motor 3 by the worker, driving the bag body to enter a sealing station by the stepping motor 3, and packaging by a sealing device; if the liquid level of the liquid seasoning contained in the bag body is not enough or the liquid level of the contained seasoning is not enough, a worker controls the air cylinder 23 to start on the PLC controller, the piston rod of the air cylinder 23 drives the push plate 24 to extend, the push plate 24 simultaneously pushes the rollers 19 of the two bag clamping mechanisms to move towards the direction of the guide sleeve 16, at the moment, the upper clamping plate 13 is separated from the lower clamping plate 11, and the empty bag body falls freely, so that the empty bag body is removed. Therefore, the empty bags are not required to be dismounted under the stop, the operation efficiency of the equipment is improved, and in addition, the empty bag removing mechanism effectively ensures that the empty bags cannot flow into the subsequent packaging process, and the outflow of defective products is avoided.
Claims (4)
1. An empty bag rejection mechanism, characterized in that: the automatic packaging machine comprises a workbench (1), a filling device arranged on the workbench (1), a bearing seat (2) and a stepping motor (3), wherein the bearing seat (2) and the stepping motor (3) are fixedly arranged on the workbench (1), a rotating shaft (4) is rotatably arranged on the bearing seat (2), a driven gear (5) is arranged on the rotating shaft (4), a driving gear (6) is arranged on an output shaft of the stepping motor (3), the driving gear (6) is meshed with the driven gear (5), a rotary table (7) arranged above the driven gear (5) is arranged on the rotating shaft (4), a first bag clamping mechanism (8) and a second bag clamping mechanism (9) are arranged on the edge of the rotary table (7), the second bag clamping mechanism (9) comprises a barrel (29), a hinge seat (10) and a lower clamping plate (11) are respectively fixedly arranged at the top and the bottom of one end of the barrel (29), a second connecting rod (12) is hinged on the hinge seat (10), an upper clamping plate (13) is fixedly arranged on the lower part of the second connecting rod (12), the other end of the barrel (29) is fixedly arranged on the edge of the driven gear (5), a U-shaped groove (14) is formed in the U-shaped groove (15) of the end part of the rotary table (29), a guide sleeve (16) and a sliding block (17) capable of sliding along the axis of the cylinder (29) are sequentially arranged in the cylinder (29) in the direction away from the hinge seat (10), a connecting shaft (18) penetrating through the bottom of the U-shaped groove (14) and the limiting column (15) is fixedly arranged on the sliding block (17), a roller (19) positioned outside the cylinder (29) is sleeved on the connecting shaft (18), the guide sleeve (16) is fixedly arranged in the cylinder (29), a pull rod (20) is slidably arranged in the guide sleeve (16), one end of the pull rod (20) is fixedly arranged on the sliding block (17), the other end of the pull rod (20) is hinged with a first connecting rod (21), the other end of the first connecting rod (21) is hinged with the middle part of the second connecting rod (12), one end of the spring (22) is fixedly arranged on the sliding block (17), the other end of the spring (20) is fixedly arranged on the guide sleeve (16), a cylinder (23) is fixedly arranged on the top surface of the turntable (7), and the cylinder (23) is positioned between the roller (19) of the first bag clamping mechanism (8) and the second bag clamping mechanism (9), and a piston rod (24) is fixedly arranged at the end of the cylinder rod (23). The filling device comprises a material pump (25), a seasoning storage tank (26) and a rack (27), wherein the rack (27) is fixedly arranged on the workbench (1) and is positioned on the left side of the rotary table (7), a blanking hopper (28) positioned above the bag clamping mechanism is arranged on the rack (27), a suction pipe is connected to a suction opening of the material pump (25), the other end of the suction pipe extends into the seasoning storage tank (26), a discharge pipe is connected to a discharge opening of the material pump (25), and the discharge pipe extends into the blanking hopper (28).
2. An empty bag reject mechanism according to claim 1, wherein: the first bag clamping mechanism (8) and the second bag clamping mechanism (9) are symmetrically arranged.
3. An empty bag reject mechanism according to claim 1, wherein: the top of frame (27) is provided with the mounting panel, has seted up the mounting hole on the mounting panel, blanking fill (28) cartridge is in the mounting hole.
4. An empty bag reject mechanism according to claim 1, wherein: the material pump (25) is arranged on the mounting plate, and the seasoning storage tank (26) is arranged on the workbench (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811027344.6A CN109094834B (en) | 2018-09-04 | 2018-09-04 | Empty bag removing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811027344.6A CN109094834B (en) | 2018-09-04 | 2018-09-04 | Empty bag removing mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109094834A CN109094834A (en) | 2018-12-28 |
| CN109094834B true CN109094834B (en) | 2024-03-26 |
Family
ID=64865096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811027344.6A Active CN109094834B (en) | 2018-09-04 | 2018-09-04 | Empty bag removing mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109094834B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102127262B1 (en) * | 2018-11-27 | 2020-07-07 | 세진테크 주식회사 | Gripper for package machine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0717529A (en) * | 1993-06-29 | 1995-01-20 | Hitachi Zosen Sangyo Kk | Liquid collector for bag-like container |
| CN102673833A (en) * | 2012-05-17 | 2012-09-19 | 江苏牧羊集团有限公司 | Automatic bagging mechanism |
| CN106043814A (en) * | 2016-08-03 | 2016-10-26 | 泉州华中科技大学智能制造研究院 | Automatic bag opening device for non-coated woven bags |
| CN208855900U (en) * | 2018-09-04 | 2019-05-14 | 成都经纬机械制造有限公司 | A kind of empty bag rejecting mechanism |
-
2018
- 2018-09-04 CN CN201811027344.6A patent/CN109094834B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0717529A (en) * | 1993-06-29 | 1995-01-20 | Hitachi Zosen Sangyo Kk | Liquid collector for bag-like container |
| CN102673833A (en) * | 2012-05-17 | 2012-09-19 | 江苏牧羊集团有限公司 | Automatic bagging mechanism |
| CN106043814A (en) * | 2016-08-03 | 2016-10-26 | 泉州华中科技大学智能制造研究院 | Automatic bag opening device for non-coated woven bags |
| CN208855900U (en) * | 2018-09-04 | 2019-05-14 | 成都经纬机械制造有限公司 | A kind of empty bag rejecting mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109094834A (en) | 2018-12-28 |
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