A double-out bag grab device for a packaging machine

Abstract

The utility model relates to packing machine technical field especially discloses a double -out bag -grabbing device for packing machine, bag -receiving swing arm is rotationally installed on the bag -receiving support, push -and -pull connecting rod is rotationally installed on the bag -receiving swing arm, eccentric cam is rotationally installed in the tail end of push -and -pull connecting rod, bag -receiving pull rod is rotationally installed on the pull rod support, driving rotary arm is installed between the bag -receiving pull rod and bag -receiving swing arm, and bag -receiving baffle is fixedly installed in the side end of baffle support, the bag -receiving, overturning and transfer action of packing bag are integrated into a continuous, smooth single drive cycle, only need to drive eccentric cam rotation, can swing bag -receiving swing arm through push -and -pull connecting rod, and through the restraint effect of driving rotary arm and bag -receiving pull rod, finally drive adjustment slide and the overturning of lifting support and page machine bag -receiving suction cup installed on it occurs, this not only improves the action efficiency and coordination of bag -grabbing, bag -moving greatly, but also optimizes the equipment layout, reduces the control complexity.

Description

Technical Field

[0001] This utility model relates to the field of packaging machine technology, and in particular to a double-outlet bag gripping device for packaging machines. Background Technology

[0002] In the packaging industry, the bag-gripping operation of packaging machines is a crucial step in achieving efficient and accurate packaging. In practical applications, the bag-gripping devices used in packaging machines typically require the following technologies:

[0003] 1. Gripping Mechanism: Adopts a structure that can accurately grip packaging bags, ensuring that the bags can be firmly gripped under various working conditions;

[0004] 2. Positioning Mechanism: Equipped with a precise positioning system to determine the position and orientation of the packaging bag, ensuring accurate gripping;

[0005] 3. Transfer mechanism: It has the ability to smoothly and quickly transfer the grasped packaging bags to the designated location and accurately place the packaging bags on different workstations.

[0006] The process of a packaging machine grabbing a packaging bag and transferring it to a designated location typically requires multiple independent drive mechanisms or complex transmission systems to complete several separate actions, such as grabbing, lifting, flipping, and conveying. This discrete design often results in complex equipment structures, large sizes, the need for precise synchronization of multiple actuators, and cumbersome control logic. Utility Model Content

[0007] To address the shortcomings of existing technologies, this invention provides a dual-outlet bag-grabbing device for packaging machines. This solves the problem that the process of a packaging machine grabbing a bag and transferring it to a designated location typically requires multiple independent drive mechanisms or complex transmission systems to complete multiple separate actions such as grabbing, lifting, flipping, and conveying. This discrete design often results in complex equipment structures, large sizes, and the need for precise synchronization of multiple actuators, leading to cumbersome control logic.

[0008] To achieve the above objectives, this utility model provides the following technical solution:

[0009] A double-outlet bag-grabbing device for a packaging machine includes a pull rod support, a bag-receiving support, and a baffle support. A bag-receiving swing arm is rotatably mounted on the bag-receiving support, a push-pull connecting rod is rotatably mounted on the bag-receiving swing arm, and an eccentric cam is rotatably mounted at the end of the push-pull connecting rod. A bag-receiving pull rod is rotatably mounted on the pull rod support, and a drive rotating arm is installed between the bag-receiving pull rod and the bag-receiving swing arm. A bag-receiving baffle is fixedly mounted on the side end of the baffle support.

[0010] Preferably, a drive shaft is fixedly installed on the bag receiving swing arm.

[0011] Preferably, the drive shaft is uniformly and fixedly mounted with adjusting sliders.

[0012] Preferably, a lifting bracket is fixedly installed on the adjusting slider.

[0013] Preferably, a bag-picking suction cup for the piecing machine is fixedly installed on the lifting bracket.

[0014] Preferably, the end of the bag-taking suction cup of the piecing machine is fixedly installed with a connector.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] The linkage mechanism, consisting of an eccentric cam, push-pull linkage, drive arm, bag receiving lever, and bag receiving swing arm, integrates the gripping, flipping, and transferring actions of the packaging bag into a continuous and smooth single drive cycle, significantly simplifying the structure (after the bag is gripped by the bag-grabbing suction cup of the collating machine). Only the rotation of the eccentric cam is needed to drive the bag receiving swing arm to swing through the push-pull linkage. Through the constraint of the drive arm and the bag receiving lever, the adjusting slider and the lifting bracket mounted on it and the bag-grabbing suction cup of the collating machine are finally driven to flip, so that the gripped packaging bag is accurately and stably transformed from a horizontal state to a vertical state and transferred to the designated position below the bag receiving baffle. This not only greatly improves the efficiency and coordination of bag gripping and transferring actions, but also optimizes the equipment layout and reduces the complexity of control. Attached Figure Description

[0017] The above description is only an overview of the technical solution of this utility model. In order to better understand the technical means of this utility model and to implement it in accordance with the contents of the specification, the preferred embodiments of this utility model are described in detail below with reference to the accompanying drawings.

[0018] Figure 1 This is an overall structural diagram of the present invention;

[0019] Figure 2 This is a schematic diagram of the unfolded structure of this utility model.

[0020] Legend: 1. Pull rod support; 2. Bag receiving support; 3. Baffle support; 4. Eccentric cam; 5. Push-pull linkage; 6. Bag picking suction cup of the collating machine; 7. Lifting bracket; 8. Drive shaft; 9. Bag receiving swing arm; 10. Adjusting slider; 11. Drive swing arm; 12. Bag receiving pull rod; 13. Connector; 14. Bag receiving baffle. Detailed Implementation

[0021] This application provides a dual-outlet bag-grabbing device for packaging machines, which effectively solves the problem that the process of a packaging machine grabbing a packaging bag and transferring it to a designated position usually requires multiple independent drive mechanisms or complex transmission systems to complete multiple decomposed actions such as grabbing, lifting, flipping and transferring. This kind of separate design often leads to complex equipment structures, large size, and technical problems such as the need for precise synchronization of multiple actuators and cumbersome control logic. By using a linkage mechanism composed of an eccentric cam, push-pull linkage, drive arm, bag receiving lever, and bag receiving swing arm, the actions of grabbing, flipping, and transferring the packaging bag are integrated into a continuous and smooth single drive cycle, which significantly simplifies the structure. Only the rotation of the eccentric cam needs to be driven, which will drive the bag receiving swing arm to swing through the push-pull linkage. Through the constraint of the drive arm and bag receiving lever, the adjustment slider and the lifting bracket and bag picking suction cup of the collating machine will be driven to flip, so that the grabbed packaging bag is accurately and stably transformed from a horizontal state to a vertical state and transferred to the designated position below the bag receiving baffle. This not only greatly improves the efficiency and coordination of bag grabbing and transferring actions, but also optimizes the equipment layout and reduces the complexity of control.

[0022] Example: Figure 1 and Figure 2 As shown, the technical solution in this application embodiment effectively solves the problem of a packaging machine gripping a packaging bag and transferring it to a designated position. This process typically requires multiple independent drive mechanisms or complex transmission systems to complete multiple decomposed actions such as gripping, lifting, flipping, and conveying. This separate design often leads to complex equipment structures, large sizes, and the need for precise synchronization of multiple actuators, resulting in cumbersome control logic. The overall approach is as follows:

[0023] To address the problems existing in the prior art, this utility model provides a double-outlet bag-grabbing device for a packaging machine, including a pull rod support 1, a bag-receiving support 2, and a baffle support 3. A bag-receiving swing arm 9 is rotatably mounted on the bag-receiving support 2, and a push-pull connecting rod 5 is rotatably mounted on the bag-receiving swing arm 9. An eccentric cam 4 is rotatably mounted at the end of the push-pull connecting rod 5.

[0024] A bag-receiving pull rod 12 is rotatably mounted on the pull rod support 1. A drive arm 11 is installed between the bag-receiving pull rod 12 and the bag-receiving swing arm 9. A bag-receiving baffle 14 is fixedly mounted on the side end of the baffle support 3. A drive shaft 8 is fixedly mounted on the bag-receiving swing arm 9.

[0025] Adjustable sliders 10 are evenly fixedly installed on the drive shaft 8. A lifting bracket 7 is fixedly installed on the adjustable slider 10. A bag-picking suction cup 6 of the collating machine is fixedly installed on the lifting bracket 7. A connector 13 is fixedly installed at the end of the bag-picking suction cup 6 of the collating machine.

[0026] Pull rod support 1: As a supporting component of the device, it provides a base for rotating the bag receiving pull rod 12, enabling it to rotate within a certain range and cooperate with other components to realize the relevant actions of receiving the bag. At the same time, through the drive rotating arm 11 installed between it and the bag receiving swing arm 9, it indirectly affects the movement of the bag receiving swing arm 9, thereby playing a constraining and synergistic role in the action of the entire bag grabbing device.

[0027] Bag receiving support 2: Provides stable support for bag receiving swing arm 9, enabling it to swing around the bag receiving support 2 as an axis. The swing of bag receiving swing arm 9 is one of the key links in the entire bag gripping device to realize the actions of gripping, flipping and transferring packaging bags, and the stable support of bag receiving support 2 ensures the smooth operation of these actions.

[0028] Baffle support 3: Used to fix the bag receiving baffle 14;

[0029] Eccentric cam 4: Connected to the drive motor, it is the power input conversion component of the entire bag gripping device. When the motor drives the eccentric cam 4 to rotate, its eccentric structure will drive the end of the push-pull linkage 5 to make a circular motion around its own axis, thereby converting the rotational motion of the motor into the swing of the push-pull linkage 5, providing a power source for the subsequent actions of the bag receiving arm 9 and other components, and controlling the action rhythm and frequency of the entire bag gripping device.

[0030] Push-pull linkage 5: It transmits the circular motion of the eccentric cam 4 to the bag receiving swing arm 9, causing the bag receiving swing arm 9 to swing. It acts as a bridge between the eccentric cam 4 and the bag receiving swing arm 9, and is an important transmission component for realizing the series of actions of grabbing and transferring the packaging bag.

[0031] The piecing machine's bag-grabbing suction cup 6 is connected to the air extraction mechanism via connector 13. The air extraction mechanism extracts the air inside to create negative pressure, enabling it to grab the packaging bag. It is installed on the lifting bracket 7. With the linkage structure consisting of bag-receiving swing arm 9, drive shaft 8, adjusting slider 10, and lifting bracket 7, the packaging bag is flipped and transferred. It is the component that directly grabs the packaging bag, determining the reliability and accuracy of the bag grabbing.

[0032] Lifting bracket 7: It is fixed to the adjusting slider 10 by bolts and carries the bag picking suction cup 6 of the collating machine. As the adjusting slider 10 rotates, the lifting bracket 7 can drive the bag picking suction cup 6 of the collating machine to change its position and angle in space, realize the flipping and transfer of the packaging bag, and play the role of supporting and adjusting the position of the bag picking suction cup 6 of the collating machine.

[0033] Drive shaft 8: When the bag receiving arm 9 swings, the drive shaft 8 rotates accordingly, which in turn drives the adjusting slider 10 to rotate. It is the key component that converts the swing of the bag receiving arm 9 into the rotation of the adjusting slider 10, and plays a connecting role in the entire bag grabbing device linkage process.

[0034] Bag receiving swing arm 9: It is connected to the eccentric cam 4 through the push-pull linkage 5, and is constrained by other components through the drive rotating arm 11 and the bag receiving pull rod 12. The swing of the bag receiving swing arm 9 drives the drive rotating shaft 8 to rotate, and then through the adjustment slider 10 and the lifting bracket 7, the bag picking suction cup 6 of the piecing machine is flipped and moved. It is the core swing component that realizes the action of picking up and transferring the packaging bag. Its motion state determines the motion trajectory and posture change of the packaging bag.

[0035] Adjusting slider 10: As the drive shaft 8 rotates, the adjusting slider 10 rotates on the drive shaft 8, thereby causing the lifting bracket 7 and the bag-grabbing suction cup 6 of the collating machine to change in position and angle, realizing the flipping and transfer of the packaging bag. The position and posture of the bag-grabbing suction cup 6 of the collating machine can be finely adjusted to adapt to different bag-grabbing and transfer needs.

[0036] Drive arm 11: It connects and constrains the two. When the bag receiving swing arm 9 swings under the drive of the push-pull linkage 5, the drive arm 11 transmits the movement of the bag receiving swing arm 9 to the bag receiving pull rod 12. Through its own structural characteristics, it constrains the movement direction and amplitude of the bag receiving swing arm 9, so that the bag receiving swing arm 9, the bag receiving pull rod 12 and other related components can work together to ensure the coordination and accuracy of the movement of each part of the bag grabbing device.

[0037] Bag receiving lever 12: It is connected to the bag receiving swing arm 9 through the drive rotating arm 11. Together with the drive rotating arm 11, it constrains the movement of the bag receiving swing arm 9. At the same time, its own rotation is also affected by the drive rotating arm 11 and the bag receiving swing arm 9. It plays a role in stabilizing and regulating the movement in the linkage mechanism of the entire bag gripping device, ensuring that the movement of the bag receiving swing arm 9 can be accurately transmitted to other parts, so as to realize the precise transfer of the packaging bag.

[0038] Connector 13: Connected to the air extraction mechanism, its function is to transmit the negative pressure generated by the air extraction mechanism to the bag picking suction cup 6 of the collating machine, so that the bag picking suction cup 6 of the collating machine can form the negative pressure environment required to grab the packaging bag, and at the same time ensure the stability of the connection between the bag picking suction cup 6 of the collating machine and the air extraction mechanism, and ensure the continuous stability of the negative pressure during the bag grabbing process.

[0039] Bag receiving baffle 14: Used to hold packaging bags waiting to be picked up.

[0040] Working principle:

[0041] The eccentric cam 4 is connected to the drive motor, and the connector 13 is connected to the air extraction mechanism. During use, the air extraction mechanism extracts the air from the inside of the collating machine's bag-grabbing suction cup 6, creating a negative pressure. This allows the collating machine's bag-grabbing suction cup 6 to grab the packaging bag. The motor drives the eccentric cam 4 to rotate, which in turn drives the end of the push-pull linkage 5 to rotate around the axis of the eccentric cam 4. This causes the end of the push-pull linkage 5 to swing the bag-receiving swing arm 9. Since the bag-receiving swing arm 9 is constrained by the drive rotating arm 11 and the bag-receiving pull rod 12, it causes the adjusting slider 10 to rotate, which in turn causes the collating machine's bag-grabbing suction cup 6 to flip, changing the collating machine's bag-grabbing suction cup 6 from a horizontal state to a vertical state. This allows the packaging bag grabbed by the collating machine's bag-grabbing suction cup 6 to move from the side of the bag-receiving baffle 14 to the designated position.

[0042] Finally, it should be noted that the above embodiments are merely examples for clearly illustrating the present invention and are not intended to limit the implementation. Those skilled in the art can make other variations or modifications based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations here. However, obvious variations or modifications derived therefrom are still within the protection scope of this invention.

Claims

1. A double-outlet bag-grabbing device for a packaging machine, comprising a pull rod support (1), a bag-receiving support (2), and a baffle support (3), characterized in that, A bag receiving arm (9) is rotatably mounted on the bag receiving support (2), a push-pull connecting rod (5) is rotatably mounted on the bag receiving arm (9), an eccentric cam (4) is rotatably mounted at the end of the push-pull connecting rod (5), a bag receiving pull rod (12) is rotatably mounted on the pull rod support (1), a drive rotating arm (11) is installed between the bag receiving pull rod (12) and the bag receiving arm (9), and a bag receiving baffle (14) is fixedly mounted on the side end of the baffle support (3).

2. The double-outlet bag-gripping device for a packaging machine as described in claim 1, characterized in that, A drive shaft (8) is fixedly installed on the bag receiving arm (9).

3. A double-outlet bag-gripping device for a packaging machine as described in claim 2, characterized in that, Adjusting sliders (10) are evenly fixedly installed on the drive shaft (8).

4. A double-outlet bag-gripping device for a packaging machine as described in claim 3, characterized in that, A lifting bracket (7) is fixedly installed on the adjusting slider (10).

5. A double-outlet bag-gripping device for a packaging machine as described in claim 4, characterized in that, The lifting bracket (7) is fixedly installed with a bag-retrieving suction cup (6) for the piecing machine.

6. A double-outlet bag-gripping device for a packaging machine as described in claim 5, characterized in that, A connector (13) is fixedly installed at the end of the bag-retrieving suction cup (6) of the piecing machine.

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