Bag clamping device of filling and packaging machine

Abstract

The invention provides a bag clamping device of a filling packaging machine, which belongs to the technical field of filling packaging and comprises a mounting frame, a mounting part is integrally arranged in the middle of one side of the mounting frame, an opening box is mounted at the mounting part through a pin shaft, a side bag clamping rod assembly is mounted on the opening box, and an air cylinder is mounted between the opening box and the upper end of the mounting frame through a pin shaft. A pneumatic clamping jaw is arranged on the lower portion of the opening box, the installation frame is connected with a pump set, the side bag clamping rod assembly comprises two symmetrically-arranged connecting rods, an inserting block is fixedly installed at one end of each connecting rod, and a cavity is formed in each inserting block. According to the packaging bag opening device, a pneumatic clamping jaw clamps one side of a packaging bag, a connecting rod is rotationally opened through rotation of a motor and a gear, so that an inserting block opens a bag opening of the packaging bag, and then an angle rotating motor drives a side clamping plate to rotate to clamp the two sides of the packaging bag; therefore, the packaging bag is opened while the packaging bag is clamped, so that follow-up material filling is facilitated.

Description

Technical Field

[0001] The invention belongs to the technical field of filling and packaging, and in particular relates to a bag clamping device of a filling and packaging machine. Background Art

[0002] A filling and packaging machine is a machine used for filling and packaging on a production line. A bag clamping device is usually installed on the filling and packaging machine to clamp and fix the packaging bag.

[0003] Among them, there is an existing bag clamping device of a filling and packaging machine, wherein the bag clamp comprises a left rotating clamping jaw, a right rotating clamping jaw, a clamping jaw bracket and a clamping jaw driving mechanism capable of opening and closing the left and right rotating clamping jaws, the clamping jaw bracket being mounted on a machine frame, the left rotating clamping jaw and the right rotating clamping jaw being rotatably mounted on the clamping jaw bracket; the clamping jaw driving mechanism being fixedly mounted on the frame, the clamping jaw driving mechanism being respectively connected to the upper rotating clamping jaw and the lower rotating clamping jaw in transmission, the bag clamping device being used for clamping the packaging bag for conveying;

[0004] And an existing food packaging equipment bag feeding rotating arm manipulator comprises: a tracking rotating arm; an adjusting slide seat, which is arranged at the end of the tracking rotating arm; a supporting shaft, which is fixedly arranged on the adjusting slide seat; a bag feeding stand, whose first end is rotatably mounted on the supporting shaft, and a mounting hole is arranged at the second end of the bag feeding stand; a rocker arm, which is rotatably mounted in the mounting hole of the bag feeding stand, and a through hole axially penetrating the rocker arm is arranged in the rocker arm, and the bag feeding manipulator realizes the function of clamping and feeding the bag by swinging;

[0005] In the filling and packaging machine processing line, the packaging bags are also clamped by mechanical grippers for subsequent filling;

[0006] The above existing bag clamping devices only clamp and convey packaging bags, and when clamping flat bags, the bag mouth cannot be opened for filling by only clamping on one side. Therefore, other components are needed to open the packaging bag. The components for opening the packaging bag increase the cost and have a low degree of coordination with the bag clamping jaws. Summary of the invention

[0007] In order to solve the above technical problems, the present invention provides a bag clamping device for a filling and packaging machine, which can open and clamp the packaging bag when clamping the packaging bag.

[0008] The present invention is achieved through the following technical solutions:

[0009] A bag clamping device for a filling and packaging machine comprises a mounting frame, a mounting portion is integrally provided on the middle part of one side of the mounting frame, an open box is installed on a pin shaft at the mounting portion, a side bag clamping rod assembly is installed on the open box, a cylinder is installed on a pin shaft between the open box and the upper end of the mounting frame, a pneumatic clamping claw is provided at the lower part of the open box, the mounting frame is connected to a pump group, and the side bag clamping rod assembly comprises two symmetrically arranged connecting rods, one end of each of the connecting rods is fixedly installed with an insert block, a cavity is provided inside the insert block, the outer side of each of the insert blocks is provided with through holes in a lattice shape, and the through holes are connected with the cavity, an angle rotating motor is fixedly installed on the outer side of the upper end of each of the insert blocks, the output shaft of the angle rotating motor is transmission-connected with a side clamping plate, an air outlet end and an air inlet end are parallelly and integrally provided on the upper end of the insert block, a gear is fixedly installed on the other end of each of the connecting rods, the two gears are meshingly connected, and one of the gears is transmission-connected with a motor.

[0010] Preferably, the pump group includes a fan and a vacuum pump, the fan is equipped with a three-way pipe, and the vacuum pump is equipped with an air exhaust.

[0011] Preferably, the motor is fixedly installed inside the open box.

[0012] Preferably, the gear shaft is connected to the inside of the open box.

[0013] Preferably, one end of the air exhaust is connected to the air inlet of the vacuum pump, and the other two ends of the air exhaust are respectively connected to the two air outlet pipelines, and a valve is installed in the installation pipeline.

[0014] Preferably, one end of the three-way pipe is connected to the air outlet pipeline of the fan, and the other two ends of the three-way pipe are respectively connected to the two air inlet pipelines, and a valve is installed in the connecting pipeline.

[0015] Preferably, the pneumatic clamp is fixedly mounted on the mounting frame.

[0016] Preferably, the insert block is in the shape of a wedge.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] 1. In the present invention, the pneumatic clamp clamps one side of the packaging bag, and the connecting rod is rotated and opened by the rotation of the motor and the gear, so that the insert block opens the bag mouth of the packaging bag, and then the side clamp is driven to rotate by the angle rotation motor to clamp the two sides of the packaging bag, so that the packaging bag is opened while clamping the packaging bag for subsequent filling of materials.

[0019] 2. In the present invention, the wind blown by the fan enters the cavity of the plug block through the three-way pipe and is discharged through the through hole, thereby blowing open the two sides of the packaging bag, making it easier to open the bag mouth of the packaging bag; the vacuum pump extracts the gas in the plug block through air exhaust, thereby making the packaging bag and the plug block fit better when clamping the two sides of the packaging bag. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of the present invention.

[0021] Figure 2 It is a structural schematic diagram of the side bag clamping rod assembly of the present invention.

[0022] Figure 3 It is a schematic structural diagram of the side bag clamping rod assembly of the present invention being opened.

[0023] Figure 4 It is a schematic diagram of the structure of the packaging bag of the present invention.

[0024] Figure 5 It is a schematic diagram of the gas path connection structure of the present invention.

[0025] Figure 6 It is a schematic diagram of the internal structure of the plug block of the present invention.

[0026] In the figure:

[0027] 1. Mounting frame; 2. Open box; 3. Cylinder; 4. Mounting part; 5. Pneumatic clamp; 6. Side bag clamp rod assembly; 7. Pump group; 61. Connecting rod; 62. Insert block; 621. Cavity; 622. Through hole; 63. Angle rotation motor; 64. Side clamp; 65. Air outlet; 66. Air inlet; 67. Gear; 68. Motor; 71. Fan; 72. Tee pipe; 73. Vacuum pump; 74. Exhaust; 8. Industrial camera; 9. Packaging bag. DETAILED DESCRIPTION

[0028] The present invention will be described in detail below in conjunction with the accompanying drawings. Figure 1 As shown, a bag clamping device of a filling and packaging machine includes a mounting frame 1, a mounting portion 4 is integrally provided in the middle of one side of the mounting frame 1, an open box 2 is pin-mounted at the mounting portion 4, a side bag clamping rod assembly 6 is installed on the open box 2, a cylinder 3 is pin-mounted between the open box 2 and the upper end of the mounting frame 1, a pneumatic clamp 5 is provided at the lower part of the open box 2, and the pneumatic clamp 5 is fixedly installed on the mounting frame 1, and the mounting frame 1 is connected to a pump group 7.

[0029] In this embodiment, combined with the Figure 2 and attached Figure 6As shown, the side bag clamping rod assembly 6 includes two symmetrically arranged connecting rods 61, one end of each connecting rod 61 is fixedly installed with an insert block 62, the shape of the insert block 62 is a wedge-shaped body, the setting of the wedge-shaped body makes it easier for the lower end of the insert block 62 to be inserted into the gap of the packaging bag 9, the inside of the insert block 62 is provided with a cavity 621, the outer side of each insert block 62 is provided with a through hole 622 in a lattice shape, and the through hole 622 is connected to the cavity 621, and the upper end of each insert block 62 is fixedly installed with an angle The output shaft of the rotating motor 63 is connected to the side clamp 64 through transmission. The side clamp 64 is driven by the angle rotating motor 63 to cooperate with the plug block 62 to clamp the packaging bag 9. The upper end of the plug block 62 is provided with an air outlet end 65 and an air inlet end 66 in parallel and integrated. The other end of each connecting rod 61 is fixedly installed with a gear 67. The two gears 67 are meshingly connected, and one of the gears 67 is connected to the motor 68 through transmission. The motor 68 adopts a reduction stepping motor.

[0030] In this embodiment, specifically, the pump group 7 includes a fan 71 and a vacuum pump 73. The fan 71 is equipped with a three-way pipe 72 for blowing air into the plug block 62. The vacuum pump 73 is equipped with an exhaust 74 for exhausting the plug block 62. The exhaust 74 adopts a two-way exhaust.

[0031] In this embodiment, specifically, the motor 68 is fixedly installed inside the open box 2 .

[0032] In this embodiment, specifically, the gear 67 is axially connected to the inside of the open box 2.

[0033] In this embodiment, combined with the Figure 5 As shown, one end of the three-way pipe 72 is connected to the air outlet pipeline of the fan 71, and the other two ends of the three-way pipe 72 are respectively connected to the two air inlet end 66 pipelines, and a valve is installed in the connecting pipeline. The setting of the valve avoids the influence of the blowing of the fan 71 to the plug block 62 and the exhaust of the plug block 62 by the vacuum pump 73. When the lower end of the plug block 62 is inserted into the packaging bag 9, the fan 71 blows air into the cavity 621 through the three-way pipe 72, and the gas is blown out through the through hole 622, so that the airflow blows the packaging bag 9 open.

[0034] In the present embodiment, specifically, one end of the air exhaust 74 is connected to the air inlet of the vacuum pump 73, and the other two ends of the air exhaust 74 are respectively connected to the two air outlet pipes 65, and a valve is installed in the installation pipe. When the packaging bag 9 needs to be clamped after being stretched, as the side clamping plate 64 approaches the plug block 62 under the drive of the angle rotation motor 63, the vacuum pump 73 extracts the gas in the cavity 621 through the air exhaust 74, so that the air flow makes the packaging bag 9 fit with the plug block 62, which is convenient for the side clamping plate 64 and the plug block 62 to cooperate to clamp the packaging bag 9.

[0035] In the present embodiment, specifically, the cylinder 3, pneumatic clamp 5, angle rotation motor 63, motor 68, fan 71, vacuum pump 73 and industrial camera 8 are all connected to an external industrial control device for control. During actual production, multiple bag clamping devices are installed on the conveyor in the production line, which can clamp the packaging bags and transport them in sequence.

[0036] In this embodiment, combined with the Figure 3 and attached Figure 4 As shown, during the bag clamping process, the user observes and controls the bag clamping process through the industrial camera 8 and the external industrial control device. When clamping the packaging bag 9, the packaging bag 9 is placed on one side of the pneumatic clamp 5 through the bag feeding device on the production line, and the output rod of the cylinder 3 extends, thereby driving the opening box 2 to move, so that the end of the connecting rod 61 equipped with the plug block 62 moves downward, and the plug block 62 is inserted into the opening of the packaging bag 9. The angle rotation motor 63 drives the side clamp plate 64 to rotate outward and open, and the motor 68 drives the connecting rod 61 to rotate through the gear 67, so that the two connecting rods 61 form an angle, and the plug block 62 opens the opening of the packaging bag 9. The angle rotation motor 63 drives the side clamp plate 64 to rotate, so that the side clamp plate 64 and the plug block 62 clamp the two sides of the packaging bag 9 and open the packaging bag 9, which is convenient for the subsequent filling of the packaging bag 9 using the filling packaging machine.

[0037] Utilizing the technical solution described in the present invention, or those skilled in the art designing a similar technical solution inspired by the technical solution of the present invention to achieve the above-mentioned technical effects, all fall within the protection scope of the present invention.

Claims

1. A bag clamping device for a filling and packaging machine, characterized in that: The bag clamping device of the filling and packaging machine comprises a mounting frame (1), a mounting portion (4) is integrally provided at the middle of one side of the mounting frame (1), an open box (2) is pin-mounted at the mounting portion (4), a side bag clamping rod assembly (6) is installed on the open box (2), a cylinder (3) is pin-mounted between the upper end of the open box (2) and the mounting frame (1), a pneumatic clamping claw (5) is provided at the lower part of the open box (2), the mounting frame (1) is connected to a pump group (7), and the side bag clamping rod assembly (6) comprises two symmetrically arranged connecting rods (61), one end of each of the connecting rods (61) is fixedly provided with an insert block (62), and a cavity is provided inside the insert block (62) (621), the outer side of each of the plug blocks (62) is provided with through holes (622) in a lattice shape, and the through holes (622) are connected to the cavity (621), an angle rotating motor (63) is fixedly installed on the outer side of the upper end of each of the plug blocks (62), the output shaft of the angle rotating motor (63) is connected to the side clamping plate (64), the upper end of the plug block (62) is provided with an air outlet end (65) and an air inlet end (66) in parallel and integrated manner, the other end of each of the connecting rods (61) is fixedly installed with a gear (67), the two gears (67) are meshed and connected, and one of the gears (67) is connected to the motor (68).

2. The bag clamping device of the filling and packaging machine according to claim 1, characterized in that: The pump group (7) comprises a fan (71) and a vacuum pump (73). The fan (71) is equipped with a three-way pipe (72), and the vacuum pump (73) is equipped with an air exhaust (74).

3. The bag clamping device of the filling and packaging machine according to claim 1, characterized in that: The motor (68) is fixedly installed inside the open box (2).

4. The bag clamping device of the filling and packaging machine according to claim 1, characterized in that: The gear (67) is axially connected to the interior of the open box (2).

5. The bag clamping device of the filling and packaging machine according to claim 2, characterized in that: One end of the air exhaust (74) is connected to the air inlet of the vacuum pump (73), and the other two ends of the air exhaust (74) are respectively connected to the two air outlet (65) pipelines, and a valve is installed in the installation pipeline.

6. The bag clamping device of the filling and packaging machine according to claim 2, characterized in that: One end of the three-way pipe (72) is connected to the air outlet pipeline of the fan (71), and the other two ends of the three-way pipe (72) are respectively connected to the two air inlet end (66) pipelines, and a valve is installed in the connecting pipeline.

7. The bag clamping device of the filling and packaging machine according to claim 1, characterized in that: The pneumatic clamping jaw (5) is fixedly mounted on the mounting frame (1).

8. The bag clamping device of the filling and packaging machine according to claim 1, characterized in that: The insert block (62) is in the shape of a wedge.

Images