Quick-changing rotatable long-stroke clamping device

Abstract

The utility model discloses a rotatable long-stroke clamping device capable of being quickly replaced, which relates to the technical field of packaging machinery and comprises a frame body and a rotary driving component arranged on the frame body, and an output shaft of the rotary driving component is connected with a synchronous belt wheel assembly rotating along with the output shaft of the rotary driving component. The transmission shaft is arranged in the synchronous belt wheel assembly in a penetrating mode and located beside the rotary driving component, the vertical driving assembly is arranged on the frame body and connected with one end of the transmission shaft, and the clamping and rotating assembly is arranged at the other end of the transmission shaft and used for clamping or rotating a packaging bag. The quick-change mechanism is arranged on the outer wall of the clamping and rotating assembly and used for replacing the clamping and rotating assembly, and the vertical driving assembly and the rotating driving component drive the clamping and rotating assembly to conduct clamping and rotating movement through a transmission shaft. The vertical driving assembly and the rotating driving component drive the clamping and rotating assembly to conduct clamping and rotating movement through the driving transmission shaft, and the clamping and rotating mechanism has the advantages of being simple in structure, high in automation degree and capable of achieving the clamping function and the rotating function at the same time.

Description

Technical Field

[0001] The utility model relates to the technical field of packaging machinery, in particular to a quick-changeable and rotatable long-stroke clamping device. Background Art

[0002] At present, in the process of folding and bundling packaging bags, it is necessary to roll the flat packaging bags into a curled shape and transfer them to the next folding process, which can save space for subsequent folding work and facilitate transportation. In reality, it is often done manually to roll the flat packaging bags one by one. This manual winding method is difficult to organize particularly large packaging bags, and it is labor-intensive, has low work efficiency and is prone to large errors. At the same time, manual operation also has safety hazards and low safety. There are also some machines for folding packaging bags on the market, but their winding structure is cumbersome, and after the winding structure is damaged, it is difficult to disassemble, repair, and replace due to its cumbersome structure, resulting in the entire machine being shut down for a long time, directly causing serious economic losses. Utility Model Content

[0003] The purpose of the utility model is to overcome the above-mentioned defects in the prior art and to provide a quick-change, rotatable, long-stroke clamping device for solving the problems that the existing manual winding method is labor-intensive, has low work efficiency and is prone to large errors, and that some folding packaging bag machines have complicated winding structures and are difficult to disassemble and repair after the clamping plate is damaged.

[0004] To achieve the above-mentioned purpose, the utility model provides a quick-change and rotatable long-stroke clamping device, including a frame and a rotating drive component installed on the frame, the output shaft of the rotating drive component is connected to a synchronous pulley assembly rotating therewith, a transmission shaft passing through the interior of the synchronous pulley assembly and located next to the rotating drive component, a vertical driving component installed on the frame and connected to one end of the transmission shaft, a clamping and rotating component installed at the other end of the transmission shaft for clamping or rotating a packaging bag, and a quick-change mechanism installed on the outer wall of the clamping and rotating component for replacing the clamping and rotating component, the vertical driving component and the rotating drive component drive the clamping and rotating component to perform clamping and rotating movements respectively through the transmission shaft.

[0005] Preferably, the output shaft of the rotary drive component is connected to a reducer, and the output shaft of the reducer passes through the interior of the frame and is connected to a synchronous pulley assembly that rotates therewith.

[0006] Preferably, the vertical drive assembly comprises a vertical drive component mounted on a frame, and an output shaft of the vertical drive component passes through the interior of the frame and is connected to a clamping member for clamping a transmission shaft.

[0007] Preferably, the clamping and rotating assembly includes a driving shaft passing through the transmission shaft, a connecting piece connected to both ends of the driving shaft, a movable clamping and rotating mechanism sleeved on the driving shaft, a rotating shaft connected between the movable clamping and rotating mechanism and the connecting piece, and a fixed clamping and rotating mechanism mounted on the connecting piece.

[0008] Preferably, the clamping and rotating assembly also includes a first limit plate and a second limit plate fixedly mounted on the two outer side walls of the connecting member, the movable clamping and rotating mechanism includes a first fixed plate sleeved on the driving shaft and a movable clamping and rotating plate mounted on the inner wall of the first fixed plate, and the fixed clamping and rotating mechanism includes a second fixed plate mounted on the connecting member and a fixed clamping and rotating plate mounted on the inner wall of the second fixed plate.

[0009] Preferably, the quick-change mechanism includes a first plug plate fixedly connected to the movable clamping rotating plate, the first plug plate can be movably inserted in the first fixed plate, the first plug plate and the first fixed plate are plugged and connected with a first knob plunger, and a second plug plate fixedly connected to the fixed clamping rotating plate, the second plug plate can be movably inserted in the second fixed plate, and the second plug plate and the second fixed plate are plugged and connected with a second knob plunger.

[0010] Preferably, the first knob plunger includes a first knob, a first knob rod installed at the bottom of the first knob, the first knob rod having a first protrusion at the lower end, a first threaded shell passing through the first knob rod and abutting against the first protrusion, and a first knob spring located inside the first threaded shell and sleeved on the first knob rod; the second knob plunger includes a second knob, a second knob rod installed at the bottom of the second knob, the second knob rod having a second protrusion at the lower end, a second threaded shell passing through the second knob rod and abutting against the second protrusion, and a second knob spring located inside the second threaded shell and sleeved on the second knob rod.

[0011] Preferably, it also includes a photoelectric switch detection component mounted on the outer side wall of the transmission shaft for counting the number of reciprocating rotations of the transmission shaft.

[0012] Preferably, the photoelectric switch detection assembly includes a dividing plate sleeved on the outer side wall of the transmission shaft, the dividing plate is annular and has a light-transmitting hole, and a photoelectric switch is arranged on one side of the dividing plate.

[0013] Preferably, the synchronous pulley assembly includes a main synchronous pulley connected to the output shaft of the reducer and capable of rotating therewith, a transmission belt sleeved on the outer circumference of the main synchronous pulley, the main synchronous pulley is connected to a slave synchronous pulley via the transmission belt, and the transmission shaft passes through the interior of the slave synchronous pulley and rotates therewith.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. The vertical drive component and the rotary drive component drive the clamping and rotating components to perform clamping and rotating movements respectively through the driving transmission shaft. It has a simple structure and a high degree of automation, and can achieve the advantages of clamping and rotating functions at the same time.

[0016] 2. The quick-change mechanism installed on the outer wall of the clamping and rotating assembly for replacing the clamping and rotating assembly achieves the purpose of quickly replacing the clamping and rotating assembly, making it more convenient to repair or replace the movable clamping and rotating mechanism and the fixed clamping and rotating mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 It is a three-dimensional structural schematic diagram of a quick-changeable and rotatable long-stroke clamping device provided by an embodiment of the utility model;

[0019] Figure 2 It is a three-dimensional structural schematic diagram of a quick-changeable and rotatable long-stroke clamping device provided by an embodiment of the utility model after removing the fence and the first limiting plate;

[0020] Figure 3 It is an exploded schematic diagram of a clamping rotating assembly installed at one end of a transmission shaft provided in an embodiment of the utility model;

[0021] Figure 4 It is a schematic structural diagram of a first knob spring and a second knob spring provided in an embodiment of the utility model.

[0022] Included in the figure are:

[0023] 1. Frame; 11. First opening; 12. Second opening; 13. Fence; 2. Rotation drive component; 3. Speed ​​reducer; 4. Synchronous pulley assembly; 41. Main synchronous pulley; 42. Drive belt; 43. Slave synchronous pulley; 5. Drive shaft; 6. Vertical drive assembly; 61. Vertical drive component; 62. Clamping member; 7. Clamping rotation assembly; 71. Drive shaft; 72. Connecting member; 73. Movable clamping rotation mechanism; 731. First fixed plate; 732. Movable clamping rotation plate; 74. Rotation shaft; 75. Fixed clamping rotation mechanism; 751. Second fixed plate; 752. Fixed clamping rotation plate; 76. First limit Plate; 77, second limit plate; 8, quick change mechanism; 81, first plug plate; 82, first knob plunger; 821, first knob; 822, first knob rod; 8221, first protrusion; 823, first threaded shell; 824, first knob spring; 83, second plug plate; 84, second knob plunger; 841, second knob; 842, second knob rod; 8421, second protrusion; 843, second threaded shell; 844, second knob spring; 9, photoelectric switch detection component; 91, dividing plate; 911, light transmission hole; 92, photoelectric switch; 10, first bearing; 110, second bearing; 120, through hole. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is one embodiment of the utility model, not all embodiments of the utility model. Based on the embodiment of the utility model, all other embodiments of the utility model obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figures 1 to 4The embodiment of the utility model provides a quick-change and rotatable long-stroke clamping device, which includes a frame 1, and also includes a rotating driving component 2 mounted on the frame 1, the output shaft of the rotating driving component 2 is connected to a synchronous pulley assembly 4 that rotates therewith, and a fence 13 mounted on the frame 1 for surrounding the synchronous pulley assembly 4, and the fence 13 can prevent outsiders or objects from accidentally entering the synchronous pulley assembly 4. A transmission shaft 5 is inserted into the synchronous pulley assembly 4 and is located next to the rotating driving component 2, a vertical driving component 6 is mounted on the frame 1 and connected to one end of the transmission shaft 5, a clamping and rotating component 7 is mounted on the other end of the transmission shaft 5 for clamping or rotating the packaging bag, and a quick-change mechanism 8 is mounted on the outer wall of the clamping and rotating component 7 for quickly replacing the clamping and rotating component 7, and the vertical driving component 6 and the rotating driving component 2 drive the clamping and rotating component 7 through the transmission shaft 5 to clamp and rotate respectively. A plurality of through holes 120 are provided on the frame 1 , and a plurality of screws (not shown in the drawings) pass through the plurality of through holes 120 to fix the frame 1 to a wall or a machine.

[0026] It should be noted that the rotating drive component 2 can be a servo motor, a stepper motor or an ordinary motor, which is not specifically limited here. The vertical drive component 61 can be a cylinder, a hydraulic cylinder or an electric cylinder, which is not specifically limited here. The synchronous pulley assembly 4 includes a main synchronous pulley 41 connected to the output shaft of the reducer 3 and can rotate therewith, a transmission belt 42 sleeved on the outer periphery of the main synchronous pulley 41, the main synchronous pulley 41 is connected to the slave synchronous pulley 43 through the transmission belt 42, and the transmission shaft 5 passes through the inside of the slave synchronous pulley 43 and rotates therewith. Of course, the main synchronous pulley 41 and the slave synchronous pulley 43 can also be wheels in the form of gears, sprockets, worm wheels, pulleys, etc., and the transmission belt 42 is a synchronous belt, or it can be a transmission belt 42 in the form of a chain, etc., which is not specifically limited here.

[0027] For further information, see Figure 2 The output shaft of the rotating driving component 2 is connected to the reducer 3. The rotating driving component 2 is connected to the reducer 3. The rotation speed of the synchronous pulley assembly 4 can be changed by adjusting the reduction ratio, thereby changing the rotation speed of the transmission shaft 5. The output shaft of the reducer 3 passes through the inside of the frame 1 and is connected to the synchronous pulley assembly 4 that rotates therewith.

[0028] For further information, see Figure 2 and Figure 3The clamping and rotating assembly 7 includes a driving shaft 71 that passes through the transmission shaft 5, a connecting piece 72 that is connected to both ends of the driving shaft 71, the driving shaft 71 crosses the transmission shaft 5 and is connected to the connecting piece 72, a movable clamping and rotating mechanism 73 that is sleeved on the driving shaft 71, a rotating shaft 74 is connected between the movable clamping and rotating mechanism 73 and the connecting piece 72, the movable clamping and rotating mechanism 73 rotates through the rotating shaft 74, a fixed clamping and rotating mechanism 75 that is installed on the connecting piece 72, and the driving shaft 71 and the rotating shaft 74 are located and inserted into the connecting piece 72. Among them, the clamping and rotating assembly 7 also includes a first limit plate 76 and a second limit plate 77 fixedly mounted on the two outer side walls of the connecting member 72. The first limit plate 76 and the second limit plate 77 are used to fix the driving shaft 71 and the rotating shaft 74 in the connecting member 72. The movable clamping and rotating mechanism 73 includes a first fixed plate 731 sleeved on the driving shaft 71 and a movable clamping and rotating plate 732 mounted on the inner wall of the first fixed plate 731. The fixed clamping and rotating mechanism 75 includes a second fixed plate 751 mounted on the connecting member 72 and a fixed clamping and rotating plate 752 mounted on the inner wall of the second fixed plate 751. The quick-change mechanism 8 includes a first plug plate 81 fixedly connected to the movable clamping rotating plate 732, the first plug plate 81 can be movably inserted in the first fixed plate 731, the first plug plate 81 and the first fixed plate 731 are connected by a first knob plunger 82, and a second plug plate 83 fixedly connected to the fixed clamping rotating plate 752, the second plug plate 83 can be movably inserted in the second fixed plate 751, and the second plug plate 83 and the second fixed plate 751 are connected by a second knob plunger 84. The movable clamping rotating plate 732 or the fixed clamping rotating plate 752 can be quickly removed by loosening the first knob plunger 82 or the second knob plunger 84. Please refer to Figure 2 The vertical drive assembly 6 includes a vertical drive component 61 installed on the frame 1. The output shaft of the vertical drive component 61 passes through the frame 1 and is connected to a clamping member 62 for clamping the transmission shaft 5. When working, the vertical drive component 61 is started to drive the clamping member 62 to clamp the transmission shaft 5 to move up or down, so that the movable clamping rotating mechanism 73 moves around the rotating axis 74 to move closer to or away from the fixed clamping rotating mechanism 75.

[0029] See also Figure 4The first knob plunger 82 includes a first knob 821, a first knob rod 822 mounted at the bottom of the first knob 821, a first protrusion 8221 at the lower end of the first knob rod 822, a first threaded housing 823 passing through the first knob rod 822 and abutting against the first protrusion 8221, a first knob spring 824 located inside the first threaded housing 823 and sleeved on the first knob rod 822, and the first knob spring 824 is located between the first protrusion 8221 and the first knob 821 The second knob plunger 84 includes a second knob 841, a second knob rod 842 installed at the bottom of the second knob 841, a second protrusion 8421 at the lower end of the second knob rod 842, a second threaded shell 843 passing through the second knob rod 842 and abutting against the second protrusion 8421, a second knob spring 844 located inside the second threaded shell 843 and sleeved on the second knob rod 842, and the second knob spring 844 is located between the second protrusion 8421 and the second knob 841. Manually twisting the first knob 821 causes the first knob rod 822 to be loosened from the first threaded housing 823. The first knob rod 822 cooperates with the first knob spring 824 to reduce friction resistance so that it can be quickly loosened from the first threaded housing 823. At this time, the operator can quickly take off and replace the movable clamping rotating mechanism 73. Similarly, manually twisting the second knob 841 causes the second knob rod 842 to be loosened from the second threaded housing 843. The second knob rod 842 cooperates with the second knob spring 844 to reduce friction resistance so that it can be quickly loosened from the second threaded housing 843. At this time, the operator can also quickly take off and replace the fixed clamping rotating mechanism 75. The first knob plunger 82 and the second knob plunger 84 have the effect of quick positioning and convenient operation.

[0030] For further information, see Figure 2 The device also includes a photoelectric switch detection component 9 sleeved on the outer wall of the transmission shaft 5 for counting the number of reciprocating rotations of the transmission shaft 5. The photoelectric switch detection component 9 includes a dividing plate 91 sleeved on the outer wall of the transmission shaft 5. The dividing plate 91 is annular and has a light-transmitting hole 911. A photoelectric switch 92 is arranged on one side of the dividing plate 91. The dividing plate 91 rotates with the rotation of the transmission shaft 5, and the light-transmitting hole 911 rotates with the rotation of the dividing plate 91 to produce light changes and form a light signal. The photoelectric switch 92 obtains the light signal. The photoelectric switch 92 is electrically connected to a counting module (not shown in the drawings) and sends the detected light signal to the counting module; the counting module is electrically connected to a PLC controller (not shown in the drawings) and performs signal transmission. The photoelectric switch detection component 9 has the same working principle as the existing photoelectric switch detection component 9, which is not particularly limited here.

[0031] For further information, see Figure 2A first opening 11 and a second opening 12 are provided in the frame 1 for the transmission shaft 5 to pass through, and a first bearing 10 and a second bearing 110 are provided between the first opening 11, the second opening 12 and the transmission shaft 5, respectively. A bearing is a mechanical element used to reduce friction and support rotation or reciprocating motion. The first bearing 10 and the second bearing 110 provided in the first opening 11 and the second opening 12, respectively, reduce the friction between the transmission shaft 5 and the frame 1 during the movement, thereby ensuring the normal operation and high efficiency of the transmission shaft 5.

[0032] The working process of a quick-changeable and rotatable long-stroke clamping device in this embodiment is as follows:

[0033] The operator places the packaging bag between the movable clamping rotating plate 732 and the fixed clamping rotating plate 752, turns on the vertical driving component 61 to drive the transmission shaft 5 to move upward, driving the movable clamping rotating mechanism 73 to move around the rotating shaft 74 to approach the fixed clamping rotating mechanism 75, so that the movable clamping rotating mechanism 73 and the fixed clamping rotating mechanism 75 clamp the packaging bag together, and then turns on the rotating driving component 2 to drive the transmission shaft 5 to rotate through the synchronous pulley assembly 4, so that the clamping rotating assembly 7 and the packaging bag rotate together, achieving the purpose of winding the packaging bag, which is convenient for the operator to sort, fold and bundle the packaging bag later. The quick-change mechanism 8 realizes the purpose of quickly replacing the fixed clamping rotating mechanism 75 and the movable clamping rotating mechanism 73, so that the operator can better repair or replace the fixed clamping rotating mechanism 75 and the movable clamping rotating mechanism 73.

[0034] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any changes, modifications, substitutions, combinations, and simplifications made within the spirit and principles of the present invention should be equivalent replacement methods and should be included in the protection scope of the present invention.

Claims

1. A quick-changeable and rotatable long-stroke clamping device, comprising a frame (1), characterized in that: The invention also comprises a rotary drive component (2) mounted on the frame (1), the output shaft of the rotary drive component (2) being connected to a synchronous pulley assembly (4) rotating therewith, a transmission shaft (5) passing through the interior of the synchronous pulley assembly (4) and located beside the rotary drive component (2), a vertical drive component (6) mounted on the frame (1) and connected to one end of the transmission shaft (5), a clamping and rotating component (7) mounted on the other end of the transmission shaft (5) for clamping or rotating a packaging bag, and a quick-change mechanism (8) mounted on the outer wall of the clamping and rotating component (7) for replacing the clamping and rotating component (7), wherein the vertical drive component (6) and the rotary drive component (2) drive the clamping and rotating component (7) through the transmission shaft (5) to respectively perform clamping and rotating movements.

2. A quick-changeable and rotatable long-stroke clamping device according to claim 1, characterized in that: The output shaft of the rotary drive component (2) is connected to a reducer (3), and the output shaft of the reducer (3) passes through the interior of the frame (1) and is connected to a synchronous pulley assembly (4) that rotates therewith.

3. The quick-changeable and rotatable long-stroke clamping device according to claim 1, characterized in that: The vertical drive assembly (6) comprises a vertical drive component (61) mounted on a frame (1); an output shaft of the vertical drive component (61) passes through the interior of the frame (1) and is connected to a clamping member (62) for clamping a transmission shaft (5).

4. The quick-changeable and rotatable long-stroke clamping device according to claim 1, characterized in that: The clamping and rotating assembly (7) comprises a driving shaft (71) passing through the transmission shaft (5), a connecting piece (72) connected to both ends of the driving shaft (71), a movable clamping and rotating mechanism (73) sleeved on the driving shaft (71), a rotating shaft (74) connected between the movable clamping and rotating mechanism (73) and the connecting piece (72), and a fixed clamping and rotating mechanism (75) mounted on the connecting piece (72).

5. The quick-changeable and rotatable long-stroke clamping device according to claim 4, characterized in that: The clamping and rotating assembly (7) further comprises a first limit plate (76) and a second limit plate (77) fixedly mounted on the two outer side walls of the connecting member (72); the movable clamping and rotating mechanism (73) comprises a first fixed plate (731) sleeved on the driving shaft (71) and a movable clamping and rotating plate (732) mounted on the inner wall of the first fixed plate (731); and the fixed clamping and rotating mechanism (75) comprises a second fixed plate (751) mounted on the connecting member (72) and a fixed clamping and rotating plate (752) mounted on the inner wall of the second fixed plate (751).

6. The quick-changeable and rotatable long-stroke clamping device according to claim 5, characterized in that: The quick-change mechanism (8) comprises a first plug plate (81) fixedly connected to the movable clamping rotating plate (732), the first plug plate (81) being movably inserted in the first fixed plate (731), the first plug plate (81) and the first fixed plate (731) being plugged with a first knob plunger (82), and a second plug plate (83) fixedly connected to the fixed clamping rotating plate (752), the second plug plate (83) being movably inserted in the second fixed plate (751), the second plug plate (83) and the second fixed plate (751) being plugged with a second knob plunger (84).

7. The quick-changeable and rotatable long-stroke clamping device according to claim 6, characterized in that: The first knob plunger (82) comprises a first knob (821), a first knob rod (822) mounted at the bottom of the first knob (821), the first knob rod (822) having a first protrusion (8221) at the lower end, a first threaded housing (823) passing through the first knob rod (822) and abutting against the first protrusion (8221), a first knob spring (824) located inside the first threaded housing (823) and sleeved on the first knob rod (822), The second knob plunger (84) includes a second knob (841), a second knob rod (842) mounted at the bottom of the second knob (841), the second knob rod (842) having a second protrusion (8421) at the lower end, a second threaded shell (843) passing through the second knob rod (842) and abutting against the second protrusion (8421), and a second knob spring (844) located inside the second threaded shell (843) and sleeved on the second knob rod (842).

8. The quick-changeable and rotatable long-stroke clamping device according to claim 1, characterized in that: It also includes a photoelectric switch detection component (9) sleeved on the outer side wall of the transmission shaft (5) and used for counting the number of reciprocating rotations of the transmission shaft (5).

9. The quick-changeable and rotatable long-stroke clamping device according to claim 8, characterized in that: The photoelectric switch detection component (9) comprises a dividing plate (91) sleeved on the outer side wall of the transmission shaft (5); the dividing plate (91) is annular and has a light-transmitting hole (911); and a photoelectric switch (92) is arranged on one side of the dividing plate (91).

10. The quick-changeable and rotatable long-stroke clamping device according to claim 1, characterized in that: The synchronous pulley assembly (4) comprises a main synchronous pulley (41) connected to the output shaft of the reducer (3) and capable of rotating therewith, a transmission belt (42) sleeved on the outer periphery of the main synchronous pulley (41), the main synchronous pulley (41) being connected to a slave synchronous pulley (43) via the transmission belt (42), and the transmission shaft (5) passing through the interior of the slave synchronous pulley (43) and rotating therewith.

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