CN216734996U - Bag clamping device for automatic bag feeding machine of valve bag - Google Patents
Bag clamping device for automatic bag feeding machine of valve bag Download PDFInfo
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- CN216734996U CN216734996U CN202122526951.0U CN202122526951U CN216734996U CN 216734996 U CN216734996 U CN 216734996U CN 202122526951 U CN202122526951 U CN 202122526951U CN 216734996 U CN216734996 U CN 216734996U
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Abstract
The utility model relates to a bag clamping device for an automatic bag feeding machine of a valve bag, which is characterized by comprising a fixed top plate, two driving cylinders and two bag clamping units which are symmetrically arranged; the bag clamping unit comprises a driving arm, a connecting section bar, a mounting bracket, a bag clamping bracket and a bag opening holder, one end of the driving arm is rotationally connected with a fixed top plate, the other end of the driving arm is connected with the connecting section bar, the mounting bracket is fixed on the connecting section bar, the bag clamping bracket and the bag opening holder are both mounted on the mounting bracket, the bag clamping bracket is lower than the bag opening holder, the first fixed end of a driving cylinder is connected with the first driving arm, the output end of the first driving arm is connected to the second driving arm, the second fixed end of the driving cylinder is connected with the second driving arm, the output end of the first driving arm is connected to the first driving arm, and two projections of the driving cylinder on the plane formed by the axis of the first driving arm are in axial symmetry arrangement. Compared with the prior art, the utility model adopts the axial symmetry arrangement of the two driving cylinders, has light structure and higher action stability.
Description
Technical Field
The utility model relates to a bag clamping device, in particular to a bag clamping device for an automatic valve bag feeding machine.
Background
Along with the more mature powder packaging technology, the popularization rate of automatic equipment is also higher and higher, and the packaging mode that automatic packaging machines in the industry are matched with manual bagging at present can not meet the production demand, so more and more automatic bagging machines are produced at the same time. The bag clamping device of the existing bag feeding machine generally has the problems of complex structure, high processing difficulty, easy deformation of a clamping jaw, small clamping force and the like, and the condition seriously influences the bag feeding success rate, so that the packaging efficiency is greatly reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a bag clamping device for an automatic bag feeding machine of a valve bag, which adopts two driving air cylinders which are arranged in an axisymmetric manner, has a light structure and higher action stability.
The purpose of the utility model can be realized by the following technical scheme:
a bag clamping device for an automatic bag feeding machine of a valve bag comprises a fixed top plate, two driving cylinders and two symmetrically arranged bag clamping units;
the bag clamping unit comprises a driving arm, a connecting section bar, a mounting bracket, a bag clamping bracket and a bag opening holder, one end of the driving arm is rotatably connected with a fixed top plate, the other end of the driving arm is connected with the connecting section bar, the mounting bracket is fixed on the connecting section bar, the bag clamping bracket and the bag opening holder are both mounted on the mounting bracket, the bag clamping bracket is lower than the bag opening holder, the first fixed end of a driving cylinder is connected with the first driving arm, the output end of the first driving cylinder is connected with the second driving arm, the second fixed end of the driving cylinder is connected with the second driving arm, the output end of the second driving cylinder is connected with the first driving arm, and the two driving cylinders are projected on a plane formed by the axes of the driving cylinders and are arranged in an axial symmetry manner.
The output end of the driving cylinder is lower than the fixed end.
The two driving cylinders are respectively positioned at two sides of the driving arm.
The bag clamping support is cylindrical.
And a silica gel sheath is sleeved on the outer side of the bag clamping support.
The silica gel sheath is provided with a plurality of.
The bag clamping support is a hollow pipe.
The bag mouth retainer is a folded plate.
The bag clamping support is fixed on the connecting frame, the shaft support is installed on the adjusting section bar, and the bag opening holding frame is installed on the shaft support.
The connecting frame is a three-folding connecting plate.
Compared with the prior art, the utility model has the following beneficial effects:
1. two driving air cylinders are arranged in an axisymmetric mode, the structure is light, and the motion stability is high.
2. Two drive actuating cylinders are located the both sides of actuating arm respectively, conveniently overhauls.
3. The standard section or the mature structural part is used for replacing a complex non-standard machining part, the machining process is simple, the structure is simple, and the cost is greatly reduced.
3. The through groove structure of the aluminum alloy section and the holding and clamping structure of the shaft support are utilized, the adjustable range of each part is improved, the flexibility is improved, and the valve width range can be greatly increased.
4. The installation and the output structure of the driving cylinder are optimized, and the bag is firmly clamped on the device without loosening by matching with the parallel fixed bag clamping support, so that the shape of the bag opening can be stably kept.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic view of a bag clamping process according to an embodiment of the present invention;
wherein: 1. the device comprises a fixed top plate, 2, a driving arm, 3, a connecting section bar, 4, a slider nut, 5, a connecting frame, 6, a bag clamping support, 7, a silica gel sleeve, 8, a bag opening holding frame, 9, a shaft support, 10, an adjusting section bar, 11 and a driving cylinder.
Detailed Description
The utility model is described in detail below with reference to the figures and specific embodiments. The present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
A bag clamping device for an automatic bag feeding machine of valve bags is disclosed, as shown in figures 1 and 2, and comprises a fixed top plate 1, two driving cylinders 11 and two symmetrically arranged bag clamping units; bag unit includes actuating arm 2, connecting profile 3, the installing support, bag holder 6 and sack holder 8 press from both sides, actuating arm 2's one end and fixed roof 1 are rotated and are connected, connecting profile 3 is connected to the other end, the installing support is fixed in on connecting profile 3, bag holder 6 and sack holder 8 are all installed on the installing support to press from both sides, and bag holder 6 is less than the setting of sack holder 8, first actuating arm 2 is connected to the stiff end that first drives actuating cylinder 11, the output is connected to second actuating arm 2, second actuating cylinder 2 is connected to the stiff end that second drives actuating cylinder 11, the output is connected to first actuating arm 2, and two projections that drive actuating cylinder 11 on the plane that its axis constitutes are the axisymmetric arrangement. Two driving air cylinders are arranged in an axisymmetric manner, so that the structure is light, and the driving mechanism has high action stability.
The output end of the driving cylinder 11 is lower than the fixed end, and the tail ear ring and the driving arm ear ring of the driving cylinder 11 are simultaneously installed on a shaft integrated with the fixed top plate. The installation and the structure of exerting oneself that drive actuating cylinder have been optimized, and the bag support is pressed from both sides to the cooperation parallel fixation, makes the sack firmly pressed from both sides on the device, and is not hard up, and sack shape can stably keep.
Two drive actuating cylinders 11 are located the both sides of actuating arm 2 respectively, conveniently overhaul.
The mounting bracket comprises a connecting bracket 5, an adjusting profile 10 and a shaft support 9, the connecting bracket 5 and the adjusting profile 10 are both fixed on the connecting profile 3, the bag clamping bracket 6 is fixed on the connecting bracket 5, the shaft support 9 is mounted on the adjusting profile 10, the bag opening holding frame 8 is mounted on the shaft support 9, and the connecting bracket 5 is a three-folding connecting plate. The bag mouth retainer 8 is simple to disassemble and assemble, and the retainers with different angles can be replaced according to different valve port sizes, so that the bag clamping device is suitable for bags with the valve port widths of 90-180.
The connecting section bar uses a finished product aluminum alloy section bar with the thickness of 60mm multiplied by 20mm, and is matched with an embedded sliding nut, so that each component arranged on the inner side and the outer side of the connecting section bar has the flexibility of front and back adjustment, and the adjusting range is large. The adjustment mechanism of the pocket holder is similar to the above, so that the frame can have a large adjustment range in the front-back, up-down and axial rotation directions. And the use of the aluminum profile greatly reduces the weight of the bag clamping device and obviously improves the strength.
4 sections of silica gel hoses are sleeved on the outer wall of each side pipe, so that the clamping force and the friction force are large when the device clamps a bag, and the bag cannot loosen.
This application sack clamping device applies to the automatic sack filling machine of valve bag. When the bag opening part of the automatic bag feeding machine finishes bag opening, the PLC sends an instruction to drive the air cylinder to act, the device is in an open state, the linear sliding table or the robot gripper drives the bag clamping device to move to a bag taking position, the air cylinder acts reversely, the device is closed, the lower end of a valve port of the bag is clamped by the bag clamping support 6, and meanwhile, the valve port is clamped by the bag port retainer 8 and keeps a circular shape (if necessary, a shaping cone can be used for expanding and shaping the valve port in the bag feeding process). Then the linear sliding table or the robot gripper continues to drive the bag clamping device to sleeve the bag on the material nozzle of the automatic packaging machine. After the bag feeding is successful, the bag clamping device is opened, separated from the bag and enters the next cycle again.
Claims (10)
1. A bag clamping device for an automatic bag feeding machine of a valve bag is characterized by comprising a fixed top plate (1), two driving cylinders (11) and two bag clamping units which are symmetrically arranged;
the bag clamping unit comprises a driving arm (2), a connecting section bar (3), a mounting bracket, a bag clamping bracket (6) and a bag opening retainer (8), one end of the driving arm (2) is rotationally connected with the fixed top plate (1), the other end is connected with the connecting section bar (3), the mounting bracket is fixed on the connecting section bar (3), the bag clamping bracket (6) and the bag opening retainer (8) are both arranged on the mounting bracket, the bag clamping bracket (6) is arranged lower than the bag opening holder (8), the fixed end of the first driving cylinder (11) is connected with the first driving arm (2), the output end is connected with the second driving arm (2), the fixed end of the second driving cylinder (11) is connected with the second driving arm (2), the output end is connected with the first driving arm (2), and the two driving cylinders (11) are arranged in axial symmetry in a projection manner on a plane formed by the axes of the driving cylinders.
2. The bag clamping device for the automatic bag feeding machine of the valve bags according to claim 1, characterized in that the output end of the driving cylinder (11) is arranged lower than the fixed end.
3. The bag clamping device for the automatic bag feeding machine of the valve bags, as claimed in claim 1, wherein two driving cylinders (11) are respectively located on both sides of the driving arm (2).
4. The bag clamping device for an automatic bag feeding machine of valve bags according to claim 1, characterized in that the bag clamping bracket (6) is cylindrical in shape.
5. The bag clamping device for the automatic bag feeding machine of the valve bags, as claimed in claim 4, wherein the bag clamping bracket (6) is sleeved with a silica gel sheath (7).
6. The bag clamping device for the automatic bag feeding machine of the valve bags, according to the claim 5, is characterized in that the silica gel sheath (7) is provided in plurality.
7. The bag clamping device for the automatic bag feeding machine of the valve bags, according to the claim 4, is characterized in that the bag clamping bracket (6) is a hollow tube.
8. A bag gripper for automatic valve bag feeding machines according to claim 1, characterised in that the bag mouth holder (8) is a flap.
9. The bag clamping device for the automatic bag feeding machine of the valve bags, according to the claim 1, is characterized in that the mounting bracket comprises a connecting bracket (5), an adjusting section bar (10) and a shaft support (9), the connecting bracket (5) and the adjusting section bar (10) are both fixed on the connecting section bar (3), the bag clamping bracket (6) is fixed on the connecting bracket (5), the shaft support (9) is mounted on the adjusting section bar (10), and the bag opening holder (8) is mounted on the shaft support (9).
10. The bag clamping device for an automatic bag feeding machine of valve bags according to claim 9, characterized in that the connecting frame (5) is a tri-fold connecting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122526951.0U CN216734996U (en) | 2021-10-20 | 2021-10-20 | Bag clamping device for automatic bag feeding machine of valve bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122526951.0U CN216734996U (en) | 2021-10-20 | 2021-10-20 | Bag clamping device for automatic bag feeding machine of valve bag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216734996U true CN216734996U (en) | 2022-06-14 |
Family
ID=81923161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122526951.0U Active CN216734996U (en) | 2021-10-20 | 2021-10-20 | Bag clamping device for automatic bag feeding machine of valve bag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216734996U (en) |
-
2021
- 2021-10-20 CN CN202122526951.0U patent/CN216734996U/en active Active
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