Bag clamping mechanism of heavy bag packaging machine

Abstract

The utility model provides a bag clamping mechanism of a heavy bag packaging machine, which comprises a base plate, a side plate is further arranged on the side of the base plate, and a clamping channel for a packaging bag to pass through is arranged between the base plate and the side plate. A clamping plate combination and a clamping rod combination are included, the clamping plate combination comprises a first clamping plate and a second clamping plate, and the clamping rod combination comprises a first clamping rod and a second clamping rod; the driving rod piece and the driven rod piece are arranged on the different end faces of the base plate respectively and connected with each other, the second clamping plate is connected with the driven rod piece, and the driving rod piece comprises a driving mechanism, a driven mechanism and a main push rod connected to the driving mechanism and the driven mechanism. The first clamping rod and the second clamping rod are connected with the driven mechanism, and the driving mechanism is connected with the first clamping plate. According to the utility model, the matching coordination between the clamping rod combination and the clamping plate combination is improved, the working efficiency between parts is improved, and the final clamping effect is enhanced.

Description

Technical Field

[0001] The utility model belongs to the technical field of bag clamping mechanisms of heavy bag packaging machines, in particular to a bag clamping mechanism of a heavy bag packaging machine. Background Art

[0002] The heavy bag packaging machine is an automated packaging equipment, mainly used for packaging powder, ultrafine powder, granules, flakes and other materials. The heavy bag packaging machine can automatically perform bag taking and bag loading operations. During the bag taking process, the bag clamping mechanism will assist in completing the bag taking operation. The bag clamping mechanism is responsible for clamping and fixing the packaging bag during the bag taking process, and cooperates with other equipment to move to complete the entire bag taking operation.

[0003] The bag clamping mechanism usually uses multiple sets of mechanical clamping arms to cooperate with each other to complete the fixed clamping operation. However, in the existing technology, multiple independent power sources are used as driving devices between the mechanical clamping arms, which easily causes insufficient coordination between the mechanical arms and affects the final clamping effect. Utility Model Content

[0004] The utility model provides a bag clamping mechanism for a heavy bag packaging machine, aiming to solve the problem in the existing technology that multiple independent power sources are used as driving devices between mechanical clamping arms, which easily causes insufficient coordination between the mechanical arms and affects the final clamping effect.

[0005] The utility model is realized in this way: a bag clamping mechanism of a heavy bag packaging machine comprises:

[0006] A base plate, a side plate is further provided on the side of the base plate, and a clamping channel for accommodating the passage of the packaging bag is provided between the base plate and the side plate;

[0007] A clamping plate assembly and a clamping rod assembly, wherein the clamping plate assembly and the clamping rod assembly are arranged at the rear end of the clamping channel; the clamping plate assembly includes a first clamping plate and a second clamping plate, and the clamping rod assembly includes a first clamping rod and a second clamping rod;

[0008] An active rod and a driven rod, the active rod and the driven rod are respectively arranged on different end surfaces of the base plate and are connected to each other, the second clamping plate is connected to the driven rod, the active rod includes a driving mechanism connected to the driven rod, a driven mechanism and a main push rod connected to the driving mechanism and the driven mechanism, the first clamping rod and the second clamping rod are respectively connected to the driven mechanism, and the driving mechanism is connected to the first clamping plate.

[0009] Preferably, the base plate is provided with a first shaft rod, a second shaft rod, a third shaft rod and a fourth shaft rod;

[0010] The active rod is rotatably connected to the first shaft rod, and the second clamping rod, the first clamping rod, and the first clamping plate are respectively rotatably connected to the second shaft rod, the third shaft rod, and the fourth shaft rod;

[0011] A fifth shaft rod is provided on the side plate, and the end of the second clamping plate is hingedly connected to the fifth shaft rod.

[0012] Preferably, the driving mechanism includes a pneumatic push rod and a semi-circular plate rotatably connected to the first shaft rod,

[0013] A sliding column is provided on the semi-circular plate, and a guiding groove is provided on the base plate;

[0014] One end of the sliding column extends out of the guiding groove and slides along the guiding groove, and the part of the sliding column extending out of the guiding groove is hingedly connected to the driven rod.

[0015] Preferably, a first traction rod is provided at one end of the semi-circular plate away from the sliding column, and the first traction rod is hinged to the first clamping plate. When the semi-circular plate rotates around the first shaft rod, the first traction rod pulls the first clamping plate to rotate around the fourth shaft rod.

[0016] Preferably, the driven mechanism includes a second traction rod and a right-angled plate. The right-angled plate is fixedly connected to the second clamping rod, and both ends of the second traction rod are respectively hinged to the right-angled plate and the first clamping rod;

[0017] The right-angled plate drives the second clamping rod to rotate around the second shaft rod, and the second traction rod drives the first clamping rod to rotate around the third shaft rod.

[0018] Preferably, both ends of the main push rod are respectively hinged to the semi-circular plate and the right-angled plate.

[0019] Preferably, the driven rod includes a first curved rod, a bridging rod, and a second curved rod; the first curved rod and the second curved rod are fixedly connected by the bridging rod.

[0020] Preferably, a central shaft rod is provided at one end of the first curved rod, and the central shaft rod is rotatably connected to the base plate. When one end of the first curved rod is stressed, the first curved rod, the bridging rod, and the second curved rod will rotate synchronously around the central shaft rod.

[0021] Preferably, a first elastic connecting rod is provided at one end of the first curved rod away from the second curved rod, and the first curved rod is hingedly connected to the sliding column provided on the semi-circular plate through the first elastic connecting rod;

[0022] A second elastic connecting rod is provided at one end of the second curved rod away from the first curved rod, and the second elastic connecting rod is hinged to the first clamping plate..

[0023] Compared with the prior art, the embodiments of the present application mainly have the following beneficial effects:

[0024] The bag clamping mechanism of the heavy bag packaging machine provided by the present utility model drives the clamping rod assembly and the clamping plate assembly to perform cooperative movement through the mutual cooperation of the active rod and the driven rod, reduces the number of moving parts, realizes the movement cooperation by means of linkage movement, improves the cooperation coordination between the clamping rod assembly and the clamping plate assembly, improves the working efficiency between components, and enhances the final clamping effect. Brief Description of the Drawings

[0025] Figure 1 It is a schematic structural diagram of a bag clamping mechanism of a heavy bag packaging machine provided by the present utility model.

[0026] Figure 2 It is a schematic structural diagram of the open state of the clamping plate assembly and the clamping rod assembly of a bag clamping mechanism of a heavy bag packaging machine provided by the present utility model.

[0027] Figure 3 It is a schematic structural diagram of the driven rod of a bag clamping mechanism of a heavy bag packaging machine in the closed state of the clamping plate assembly and the clamping rod assembly provided by the present utility model.

[0028] Figure 4 It is a schematic structural diagram of the middle driven rod of a bag clamping mechanism of a heavy bag packaging machine in the open state of the clamping plate assembly and the clamping rod assembly provided by the present utility model.

[0029] Figure 5 It is a schematic structural diagram of the active rod of a bag clamping mechanism of a heavy bag packaging machine in the open state of the clamping plate assembly and the clamping rod assembly provided by the present utility model.

[0030] Figure 6 It is a schematic structural diagram of the active rod of a bag clamping mechanism of a heavy bag packaging machine in the open state of the clamping plate assembly and the clamping rod assembly provided by the present utility model.

[0031] Description of the Reference Numerals:

[0032] 100, base plate; 110, guide groove; 121, first shaft rod; 122, second shaft rod; 123, third shaft rod; 124, fourth shaft rod; 125, fifth shaft rod; 130, side plate;

[0033] 200, clamping plate assembly; 210, first clamping plate; 220, second clamping plate;

[0034] 300, clamping rod assembly; 310, first clamping rod; 320, second clamping rod;

[0035] 400, driven rod; 410, first curved rod; 420, bridging rod; 430, second curved rod; 441, first elastic connecting rod; 442, second elastic connecting rod;

[0036] 510, Pneumatic push rod; 520, Semi-circular plate; 530, Main push rod; 540, First traction rod; 550, Second traction rod; 560, Right-angled plate. Detailed implementation

[0037] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field to which this application belongs; the terms used in the specification of this application are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" and any variations thereof in the specification and claims of this application and the above drawings are intended to cover non-exclusive inclusion. The terms "first", "second", etc. in the specification and claims of this application or the above drawings are used to distinguish different objects and not to describe a specific order.

[0038] Reference to "embodiment" herein means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of this application. The phrase appears in various places in the specification and does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment mutually exclusive with other embodiments. Those skilled in the art will explicitly and implicitly understand that the embodiments described herein can be combined with other embodiments.

[0039] An embodiment of the present utility model provides a bag clamping mechanism for a heavy bag packaging machine, as Figures 1 - 6 shown, the bag clamping mechanism for a heavy bag packaging machine includes:

[0040] A substrate 100, a side plate 130 is further provided on the side of the substrate 100, a clamping channel for the packaging bag to pass through is provided between the substrate 100 and the side plate 130, and a clamping plate assembly 200 and a clamping rod assembly 300 for clamping the bag are provided at the rear end of the substrate 100 in the clamping channel; the clamping plate assembly 200 includes a first clamping plate 210 and a second clamping plate 220, and the clamping rod assembly 300 includes a first clamping rod 310 and a second clamping rod 320;

[0041] An active rod and a driven rod 400, the active rod and the driven rod 400 are respectively provided on different end faces of the substrate 100 and are connected to each other, the second clamping plate 220 is connected to the driven rod 400, the active rod includes a driving mechanism, a driven mechanism connected to the driven rod 400, and a main push rod 530 connected between the driving mechanism and the driven mechanism, the first clamping rod 310 and the second clamping rod 320 are respectively connected to the driven mechanism, and the driving mechanism is connected to the first clamping plate 210;

[0042] The substrate 100 is provided with a guiding groove 110 for accommodating the sliding of the driving mechanism. When the driving mechanism slides along the guiding groove 110, under the action of the driving mechanism and the driven rod 400, the clamping plate assembly 200 is driven to deflect, and the driven mechanism connected to the driving mechanism through the main push rod 530 drives the clamping rod assembly 300 to open and close under the drive of the driving mechanism;

[0043] In this application, the substrate 100 and the side plate 130 are provided with a clamping channel for accommodating the passing of the packaging bag; the second clamping plate 220 is rotatably connected to the side plate 130, the first clamping plate 210 is rotatably connected to the substrate 100, and the clamping rod assembly 300 is located on the side of the substrate 100 away from the clamping plate assembly 200 and is rotatably connected to the substrate 100; the clamping rod assembly 300 and the clamping plate assembly 200 are driven to perform cooperative movement through the mutual cooperation of the driving rod and the driven rod 400, reducing the number of moving parts and realizing movement cooperation through linkage movement, improving the working efficiency between components and reducing the occurrence of equipment failures;

[0044] As a preferred implementation manner in this embodiment, the substrate 100 is provided with a first shaft rod 121 serving as the rotation axis of the driving rod, and the substrate 100 is further provided with a second shaft rod 122, a third shaft rod 123, and a fourth shaft rod 124 serving as the rotation axes of the second clamping rod 320, the first clamping rod 310, and the first clamping plate 210 respectively. The side plate 130 is provided with a fifth shaft rod 125. The end of the second clamping plate 220 is hinged to the fifth shaft rod 125. When the driving rod slides along the guiding groove 110, one end of the driven rod 400 is also pulled to move along the guiding groove 110;

[0045] The driving mechanism includes a pneumatic push rod 510 and a semi-circular plate 520. The semi-circular plate 520 is rotatably connected to the first shaft rod 121 by means of hinge. The semi-circular plate 520 is provided with a sliding column. One end of the sliding column extends out of the guiding groove 110 and slides along the guiding groove 110. The part of the sliding column extending out of the guiding groove 110 is hinged to the driven rod 400;

[0046] One end of the semi-circular plate 520 away from the sliding column is provided with a first traction rod 540. The first traction rod 540 is hinged to the first clamping plate 210. When the semi-circular plate 520 rotates around the first shaft rod 121, the first traction rod 540 pulls the first clamping plate 210 to rotate around the fourth shaft rod 124;

[0047] The driven mechanism is hinged to the sliding column on the semi-circular plate 520 through the main push rod 530. The driven mechanism includes a second traction rod 550 and a right-angle plate 560. The right-angle plate 560 is fixedly connected to the second clamping rod 320. Two ends of the second traction rod 550 are respectively hinged to the right-angle plate 560 and the first clamping rod 310. The main push rod 530 is hinged to one end of the right-angle plate 560. When the driven mechanism receives the thrust of the main push rod 530, the right-angle plate 560 drives the second clamping rod 320 to rotate around the second shaft rod 122, and the second traction rod 550 drives the first clamping rod 310 to rotate around the third shaft rod 123;

[0048] As a preferred implementation manner in this embodiment, the driven rod 400 includes a first curved rod 410, a bridging rod 420, and a second curved rod 430. The first curved rod 410 and the second curved rod 430 are connected by the bridging rod 420. One end of the first curved rod 410 is provided with a central shaft rod, and the central shaft rod is arranged on the substrate 100 in a hinged manner. The bridging rod 420 includes a connecting column and a connecting plate. The connecting plate is fixedly connected to the first curved rod 410 and the second curved rod 430 respectively through two groups of connecting columns to form an integral body. When one end of the first curved rod 410 is stressed, the first curved rod 410, the bridging rod 420, and the second curved rod 430 will rotate synchronously around the central shaft rod;

[0049] One end of the first curved rod 410 away from the second curved rod 430 is provided with a first elastic link 441. The first curved rod 410 is hinged to the sliding column provided on the semi-circular plate 520 through the first elastic link 441. One end of the second curved rod 430 away from the first curved rod 410 is provided with a second elastic link 442, and the second elastic link 442 is hinged to the first clamping plate 210;

[0050] In this embodiment, during the movement of the driving rod, the driven rod 400 drives the first clamping plate 210 to rotate around the fifth shaft rod 125;

[0051] It should be noted that for the foregoing embodiments, for the sake of simple description, they are all expressed as a series of action combinations. However, those skilled in the art should know that the present invention is not limited by the described action sequence, because according to the present invention, certain steps may be performed in other sequences or simultaneously. Secondly, those skilled in the art should also know that the embodiments described in the specification are all preferred embodiments, and the actions and modules involved are not necessarily essential to the present invention.

[0052] The above embodiments are only used to illustrate the technical solutions of the present utility model, rather than limiting the protection scope of the utility model. Obviously, the described embodiments are only some embodiments of the present utility model, rather than all embodiments. Based on these embodiments, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present utility model. Although the present utility model has been described in detail with reference to the above embodiments, those of ordinary skill in the art can still, without conflict and without creative efforts, combine, add or delete the features in the embodiments of the present utility model according to the situation or make other adjustments, so as to obtain different technical solutions that essentially do not depart from the concept of the present utility model, and these technical solutions also belong to the scope of protection of the present utility model.

Claims

1. A bag clamping mechanism for a heavy bag packaging machine, characterized in that Comprising: A substrate, with a side plate provided on the substrate side, and a clamping channel for accommodating a packaging bag is provided between the substrate and the side plate; A clamping plate assembly and a clamping rod assembly, which are arranged at the rear end of the clamping channel; the clamping plate assembly includes a first clamping plate and a second clamping plate, and the clamping rod assembly includes a first clamping rod and a second clamping rod; A driving rod and a driven rod, which are respectively arranged on different end faces of the substrate and are connected to each other. The second clamping plate is connected to the driven rod. The driving rod includes a driving mechanism, a driven mechanism connected to the driven rod, and a main push rod connecting the driving mechanism and the driven mechanism. The first clamping rod and the second clamping rod are respectively connected to the driven mechanism, and the driving mechanism is connected to the first clamping plate.

2. The bag clamping mechanism of a heavy bag packaging machine according to claim 1, characterized in that, The substrate is provided with a first shaft rod, a second shaft rod, a third shaft rod and a fourth shaft rod; The driving rod is rotatably connected to the first shaft rod, and the second clamping rod, the first clamping rod and the first clamping plate are respectively rotatably connected to the second shaft rod, the third shaft rod and the fourth shaft rod; The side plate is provided with a fifth shaft rod, and the end of the second clamping plate is hingedly connected to the fifth shaft rod.

3. The bag clamping mechanism of a heavy bag packaging machine according to claim 2, characterized in that, The driving mechanism includes a pneumatic push rod and a semi-circular plate rotatably connected to the first shaft rod, The semi-circular plate is provided with a sliding column, and the substrate is provided with a guiding groove; One end of the sliding column extends out of the guiding groove and slides along the guiding groove, and the part of the sliding column extending out of the guiding groove is hingedly connected to the driven rod.

4. The bag clamping mechanism of a heavy bag packaging machine according to claim 3, characterized in that, One end of the semi-circular plate away from the sliding column is provided with a first traction rod, and the first traction rod is hingedly connected to the first clamping plate. When the semi-circular plate rotates around the first shaft rod, the first traction rod pulls the first clamping plate to rotate around the fourth shaft rod.

5. The bag clamping mechanism of a heavy bag packaging machine according to claim 4, characterized in that, The driven mechanism includes a second traction rod and a right-angled plate. The right-angled plate is fixedly connected to the second clamping rod. The two ends of the second traction rod are respectively hingedly connected to the right-angled plate and the first clamping rod; The right-angled plate drives the second clamping rod to rotate around the second shaft rod, and the second traction rod drives the first clamping rod to rotate around the third shaft rod.

6. The bag clamping mechanism of a heavy bag packaging machine according to claim 5, characterized in that, The two ends of the main push rod are respectively hingedly connected to the semi-circular plate and the right-angled plate.

7. The bag clamping mechanism of a heavy bag packaging machine according to claim 6, characterized in that, The driven rod includes a first curved rod, a bridging rod and a second curved rod; the first curved rod and the second curved rod are fixedly connected through the bridging rod.

8. The bag clamping mechanism of a heavy bag packaging machine according to claim 7, wherein, One end of the first curved rod is provided with a central shaft rod, and the central shaft rod is rotatably connected to the substrate. When one end of the first curved rod is stressed, the first curved rod, the bridging rod and the second curved rod will rotate synchronously around the central shaft rod.

9. The bag clamping mechanism of a heavy bag packaging machine according to claim 8, characterized in that, One end of the first curved rod away from the second curved rod is provided with a first elastic connecting rod, and the first curved rod is hingedly connected to the sliding column on the semi-circular plate through the first elastic connecting rod; One end of the second curved rod away from the first curved rod is provided with a second elastic connecting rod, and the second elastic connecting rod is hingedly connected to the first clamping plate.

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