Flexible clamping mechanism of automatic packaging bag car loader

Abstract

The invention relates to the technical field of packaging bag transfer equipment, in particular to a flexible clamping mechanism of an automatic packaging bag car loader, which is characterized in that a connecting arm is arranged below a base, a connecting seat is fixedly arranged on the lower side wall of the base, an overturning shaft is rotationally arranged at the movable end of the connecting arm through a bearing, and the connecting seat is fixedly arranged on the overturning shaft; the overturning motor is fixedly arranged on the side wall of the end of the connecting arm, an output shaft of the overturning motor is in transmission connection with an end shaft of the overturning shaft, the bridle assembly is arranged on one side edge above the base, and the limiting assembly is arranged on the side edge, away from the bridle assembly, above the base; according to a flexible structure of a packaging bag, the packaging bag can be bundled and clamped through a bundling belt structure capable of being bundled, the packaging bag can be clamped by adapting to the size of the packaging bag and deformation of the packaging bag, and therefore transferring and loading of the packaging bag are achieved.

Description

Technical Field

[0001] The present invention relates to the technical field of packaging bag transfer equipment, and in particular to a flexible clamping mechanism of an automatic packaging bag loading machine. Background Art

[0002] When loading woven bag packaging bags, a limiting claw device will be used to transfer the packaging bags. The packaging bags are grasped by the clamps and cooperated with positioning sensors and other equipment to achieve automatic loading. However, the existing clamping equipment uses fixed rigid clamps, and one type of clamp can only be adapted to one type of packaging bag. Moreover, since the clamps are rigid structures, they can only be clamped with a set clamping force during operation. Since the packaging bags are flexible structures, they will be deformed during the clamping and transfer process, and excessive deformation will cause the packaging bags to fall off. Therefore, it is necessary to design a flexible clamping device that can be suitable for the clamping, transfer and loading of flexible packaging bag materials. Summary of the Invention

[0003] The purpose of the present invention is to address the defects and shortcomings of the existing technology and provide a flexible clamping mechanism for an automatic loading machine for packaging bags. It adopts a retractable strap to bundle and clamp the packaging bags based on the flexible structure of the packaging bags, and can adapt to the size of the packaging bags and the deformation of the packaging bags to clamp the packaging bags, thereby realizing the transfer and loading of the packaging bags.

[0004] In order to achieve the above object, the present invention adopts the following technical solutions:

[0005] It includes the base, which also contains:

[0006] A connecting arm, wherein the connecting arm is arranged below the base;

[0007] A connecting seat, wherein the connecting seat is fixedly arranged on the lower side wall of the base;

[0008] A turning shaft, wherein the turning shaft is rotatably mounted on the movable end of the connecting arm through a bearing, and the connecting seat is fixedly mounted on the turning shaft;

[0009] A flip motor, wherein the flip motor is fixedly mounted on the end side wall of the connecting arm, and the output shaft of the flip motor is in transmission connection with the end shaft of the flip shaft;

[0010] A strap assembly, the strap assembly being arranged on one side above the base;

[0011] The limiting component is arranged above the base and away from one side of the belt component.

[0012] Preferably, a belt support arm is rotatably provided on the base via a rotating shaft, the belt assembly is provided on the belt support arm, a belt motor is fixedly provided on the base, and the output shaft of the belt motor is transmission-connected to the shaft end of the belt support arm.

[0013] Preferably, the strap assembly includes a motor unit and a storage shell, wherein the motor unit is fixedly arranged on the movable end of the strap support arm, the storage shell is fixedly arranged on the housing of the motor unit, and the shaft end of the motor unit is screwed and inserted into the interior of the storage shell through a bearing, a side port is opened on the side panel of the storage shell, a strap is wound around the storage shell through a strap roller, the strap roller is screwed in the storage shell through a bearing and is transmission-connected to the shaft end of the motor unit, and the end of the strap passes through the side port of the storage shell.

[0014] Preferably, brackets are fixedly provided on the side walls of the storage shell at both ends of the side port of the storage shell, and a hanging rod is fixedly provided on the end of the strap extending out of the side port of the storage shell. The hanging rod is mounted on the bracket, and both ends of the hanging rod are respectively extended to the side of the end of the storage shell.

[0015] Preferably, a limit support arm is rotatably provided on the base through a rotating shaft, and the limit support arm is coaxially arranged with the strap support arm, the limit assembly is arranged on the movable end of the limit support arm, and a limit motor is fixedly provided on the base, and the output shaft of the limit motor is transmission-connected to the shaft end of the limit support arm.

[0016] Preferably, the limit assembly includes a limit seat and a limit claw, wherein the limit seat is fixedly arranged on the movable end of the limit support arm, and the limit claws are two and symmetrically rotated on the limit seat through a rotating shaft. The walls on the opposite sides of the two limit claws are provided with limit grooves that cooperate with the hanging rod, and spur gears are fixedly arranged on the rotating shafts of the two limit claws, and the two spur gears are meshed with each other.

[0017] Preferably, a connecting rod is fixedly provided on the rotating shaft of the limit claw, a limit pin is fixedly provided on the movable end of the connecting rod, a locking motor is fixedly provided on the limit seat, a locking seat is fixedly provided on the output shaft of the locking motor, an arc-shaped groove is provided on the locking seat, the limit pin is movably inserted in the arc-shaped groove, a torsion spring is fixedly provided on the rotating shaft of the other limit claw, and the end foot of the torsion spring is fixedly provided on the limit seat.

[0018] Preferably, a propulsion arm is rotatably provided on the base through a rotating shaft, an opening and closing stepping unit is fixedly provided on the movable end of the propulsion arm, and the opening and closing stepping unit is mounted on the side of the end of the storage shell, a connecting sleeve is fixedly provided on the movable end of the opening and closing stepping unit, and the connecting sleeve is mounted on both sides of the hanging rod, a propulsion motor is fixedly provided on the base, and the output shaft of the propulsion motor is transmission-connected to the shaft end of the propulsion arm.

[0019] Preferably, a strap telescopic rod is fixedly provided on the base, a hanging ring is fixedly provided on the side wall of the storage shell, the movable end of the strap telescopic rod is inserted in the hanging ring, a limiting telescopic rod is fixedly provided on the base, a limiting hole is provided on the end wall of the limiting seat, and the movable end of the limiting telescopic rod is inserted in the limiting hole on the limiting seat.

[0020] Preferably, a supporting frame is fixedly provided on the base, and the supporting frame is provided between the limiting claw and the storage shell.

[0021] Compared with the prior art, the present invention has the following beneficial effects:

[0022] 1. This solution provides a drawstring assembly with a retractable drawstring, a hanging rod on the drawstring, and a limiting claw that can clamp and lock the hanging rod. The limiting claw clamps the hanging rod and opens the drawstring, which is then tied to the material bag, thereby achieving the clamping and transportation of the packaging bag.

[0023] 2. This solution fixes the material bag with a flexible strap, clamps the hanging rod at the end of the strap, and tightens the strap through the motor unit to clamp the material bag, thereby adapting to the clamping of packaging bags of different sizes. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a structural schematic diagram of the present invention

[0025] Figure 2 yes Figure 1 Right front side view.

[0026] Figure 3 yes Figure 1 Lower left side view.

[0027] Figure 4 It is a structural schematic diagram of the belt assembly, propulsion arm, and connecting sleeve in the present invention.

[0028] Figure 5 It is a structural schematic diagram of the limiting support arm and the limiting assembly in the present invention.

[0029] Figure 6 It is a structural schematic diagram of the strap support arm and the storage shell in the present invention.

[0030] Figure 7 It is a structural schematic diagram of the propulsion arm and the opening and closing stepping unit in the present invention.

[0031] Figure 8 It is a structural diagram of the limiting claw and locking motor in the present invention.

[0032] Description of reference numerals:

[0033] Base 1, connecting arm 2, connecting seat 3, flip axis 4, flip motor 5, strap assembly 6, motor unit 6-1, storage shell 6-2, position assembly 7, limit seat 7-1, limit claw 7-2, spur gear 7-3, strap support arm 8, strap motor 9, bracket 10, hanging rod 11, limit support arm 12, limit motor 13, connecting rod 14, limit pin 15, locking motor 16, locking seat 17, arc groove 18, torsion spring 19, propulsion arm 20, opening and closing stepping unit 21, connecting sleeve 22, propulsion motor 23, strap telescopic rod 24, hanging ring 25, limit telescopic rod 26, supporting frame 27. DETAILED DESCRIPTION

[0034] The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. The preferred embodiments described are only used as examples. All other embodiments obtained by those skilled in the art without making any creative work are within the scope of protection of the present invention.

[0035] like Figure 1-8 As shown, this specific implementation adopts the following technical solutions:

[0036] This specific embodiment includes a base 1, a connecting arm 2, a load-bearing frame, a belt assembly 6, and a limiting assembly 7, wherein the base 1 is mounted above the connecting arm 2, a connecting seat 3 is fixedly provided on the lower side wall of the base 1, a flip shaft 4 is rotatably provided on the movable end of the connecting arm 2 through a bearing, the connecting seat 3 is fixedly provided on the flip shaft 4, a flip motor 5 is fixedly provided on the connecting arm 2, and the output shaft of the flip motor 5 is transmission-connected to the flip shaft 4, a load-bearing frame is fixedly provided on the upper side wall of the base 1, a limiting assembly 7 is provided on the left side of the load-bearing frame, and a belt assembly 6 is provided on the right side of the load-bearing frame;

[0037] The described belt assembly 6 includes a motor unit 6-1 and a storage shell 6-2, wherein the storage shell 6-2 is fixedly arranged on the shell of the motor unit 6-1, and the output shaft of the motor unit 6-1 is movably inserted in the storage shell 6-2, and a belt roller is rotatably provided inside the storage shell 6-2 through a bearing, and the belt cutting roller is transmission-connected to the output shaft of the motor unit 6-1, and a belt is wound around the belt roller, and a side port is provided on the side wall of the storage shell 6-2, and the end of the belt passes through the side port of the storage shell 6-2, and a bracket 10 is fixedly provided at the front and rear ends of the side wall of the storage shell 6-2 at the side port, and a hanging rod 11 is fixedly provided on the end of the belt extending out of the side port of the storage shell 6-2, and the hanging rod 11 is mounted on the bracket 10, and the front and rear ends of the hanging rod 11 extend to the outside of the front and rear ends of the storage shell 6-2;

[0038] The limiting assembly 7 includes a limiting seat 7-1 and a limiting claw 7-2, wherein the limiting claw 7-2 is two and is symmetrically arranged on the limiting seat 7-1 through a rotating shaft, and the swing arms on the opposite sides of the two limiting claws 7-2 are provided with limiting grooves that cooperate with the hanging rod 11. A spur gear 7-1 is fixed on the rotating shaft of the limiting claw 7-2 through a spline connecting sleeve 22, and the two spur gears 7-1 are meshed with each other. A locking motor 16 is fixed on the limiting seat 7-1, and the output of the locking motor 16 is fixed on the locking motor 16. A locking seat 17 is fixedly provided on the output shaft, and the locking seat 17 is coaxially arranged with one of the limit claws 7-2. An arc groove 18 is provided on the locking seat 17. A connecting rod 14 is fixedly provided on the rotating shaft of the limit claw 7-2 of the locking seat 17 cylinder shaft. A limit pin 15 is fixedly provided on the movable end of the connecting rod 14. The limit pin 15 is movably inserted in the arc groove 18. A torsion spring 19 is sleeved and fixed on the rotating shaft of the other limit claw 7-2, and the column foot of the torsion spring 19 is fixedly provided on the limit seat 7-1.

[0039] The device drives the turning shaft 4 to rotate through the turning motor 5, and then the turning shaft 4 drives the base 1 to turn through the connecting seat 3, so that when the base 1 is upward, it is for loading and clamping the goods and transporting them, and when the base 1 is downward, it is for unloading the goods; the base 1 drives the carrier 27 to turn upward, and the material bag is placed on the carrier 27, and then the limit assembly 7 is close to the belt assembly 6 and docked, so that the hanging rod 11 on the belt is stuck in the limit groove between the limit claws 7-2, and then locked. The motor 16 drives the locking seat 17 to rotate, and the end of the arc groove 18 on the locking seat 17 pushes the limit pin 15 on the connecting rod 14, so that the limit claw 7-2 is locked to prevent the limit claw 7-2 from opening, and then the strap assembly 6 and the limit assembly 7 are opened, so that the strap in the strap assembly 6 is pulled and opened on the material bag. After the strap is opened, the motor unit 6-1 drives the strap to move in a retracting trend, thereby cooperating with the limit claw 7-2 to clamp the hanging rod 11 , so as to tighten the strap to tie the material bag to the carrier 27; when unloading the material bag, the base 1 is flipped over so that the carrier 27 is downward, and the locking motor 16 drives the locking seat 17 to rotate so that the limit pin 15 can slide freely in the arc groove 18, and then the motor unit 6-1 is used to roll up the strap that ties the material bag, so that the strap is tightened and the hanging rod 11 is pulled out of the limit claw 7-2. In the process of the hanging rod 11 being out of the limit claw 7-2, the hanging rod 11 pulls the limit claw 7-2 The torsion spring 19 on the rotating shaft of the limiting claw 7-2 is rotated to open and tighten, and the two limiting claws 7-2 are driven by the spur gear 7-1, so that the limiting claw 7-2 equipped with the connecting rod 14 drives the limiting pin 15 to slide in the arc groove 18, and after the hanging rod 11 is separated from the limiting claw 7-2, the torsion spring 19 pushes the two limiting claws 7-2 to close. After the hanging rod 11 is separated from the limiting claw 7-2 and the strap is retracted, the strap is pulled out from the bottom of the material bag and stored in the storage shell 6-2.

[0040] As an improved solution, a strap support arm 8 is rotatably provided on the base 1 through a rotating shaft, and the storage shell 6-2 is fixedly provided on the end of the strap support arm 8 away from the shaft end. A strap motor 9 is fixedly provided on the base 1, and the output shaft of the strap motor 9 is transmission-connected to the shaft end of the strap support arm 8. A hanging ring 25 is fixedly provided on the outer wall of the storage shell 6-2, and a strap telescopic rod 24 is fixedly provided on the base 1, and the movable end of the strap telescopic rod 24 is movably inserted into the hanging ring 25.

[0041] When in use, when the strap is stretched to bundle the material bag, the strap motor 9 drives the strap support arm 8 to rotate, so that the strap support arm 8 drives the storage shell 6-2 of the wound strap to move to the side of the limit claw 7-2, and the hanging rod 11 is clamped into the limit claw 7-2, and then the strap motor 9 drives the strap support arm 8 to rotate and reset, so as to stretch the strap around the material bag. After the strap motor 9 drives the storage shell 6-2 to reset, the shaft end of the strap telescopic rod 24 is extended and inserted into the hanging ring 25, so as to lock the storage shell 6-2 on the base 1, and then the strap is tightened to tie the material bag tightly;

[0042] As an improved solution, a limit support arm 12 is rotatably provided on the base 1 via a rotating shaft, and the limit seat 7-1 is fixedly provided on the end of the limit support arm 12 away from the shaft end thereof. A limit telescopic rod 26 is fixedly provided on the base 1, and a limit hole is provided on the end wall of the limit seat 7-1, and the shaft end of the limit telescopic rod 26 is movably inserted into the limit hole.

[0043] When in use, when the strap is stretched to bundle the material bag, the limiting support arm 12 is driven to rotate by the limiting motor 13, and the limiting support arm 12 drives the limiting seat 7-1 to move to the side of the storage shell 6-2, thereby driving the limiting claw 7-2 to clamp the hanging rod 11, and then the limiting support arm 12 is reset, so that the hanging rod 11 is pulled by the limiting claw 7-2, and the strap is pulled out from the storage shell 6-2 and tied to the material bag. After the limiting support arm 12 is reset, the shaft end of the limiting telescopic rod 26 is extended and inserted into the limiting hole on the limiting seat 7-1 to achieve locking between the limiting seat 7-1 and the base 1, and then the strap is tightened;

[0044] As an improved solution, a propulsion arm 20 is rotatably provided on the base 1 through a rotating shaft, and an opening and closing stepping unit 21 is fixedly provided on one end of the propulsion arm 20 away from its shaft end, and the opening and closing stepping unit 21 is mounted on the side of the storage shell 6-2, and a connecting sleeve 22 is fixedly provided on both sides of the shaft end of the opening and closing stepping unit 21, and the connecting sleeve 22 is mounted on the front and rear sides of the hanging rod 11, and a propulsion motor 23 is fixedly provided on the base 1, and the output shaft of the propulsion motor 23 is transmission-connected to the shaft end of the propulsion arm 20;

[0045] During use, when the strap is opened to bundle the material bag, the connecting sleeves 22 on both sides are pushed closed by the opening and closing stepping unit 21, so that the connecting sleeves 22 are sleeved on the hanging rod 11, and then the propulsion motor 23 drives the propulsion arm 20 to rotate, and the propulsion arm 20 drives the connecting sleeve 22 to move from the side of the storage shell 6-2 to the side of the limiting claw 7-2, so that the hanging rod 11 is pulled by the connecting sleeve 22, and the strap is pulled out and wrapped around the material bag through the hanging rod 11. After the hanging rod 11 is stuck in the limiting claw 7-2, the connecting sleeve 22 is opened and detached from the hanging rod 11 by the opening and closing stepping unit 21, and then the propulsion arm 20 is reset.

[0046] Compared with the prior art, the present invention has the following beneficial effects:

[0047] 1. This device is provided with a retractable strap, and through the cooperation between the hanging rod 11 on the strap and the limiting claw 7-2, the strap is stretched to bind the material bag tightly. When untying, the limiting claw 7-2 loosens the hanging rod 11 and reels the strap, so that the strap is neatly collected and the material bag is released;

[0048] 2. This device realizes bundling of the material bag by the strap through the cooperation between the limiting claw 7-2 and the hanging rod 11 and the winding of the strap by the motor unit 6-1, and respectively provides a strap support arm 8 for controlling the storage shell 6-2 to move toward the side of the limiting claw 7-2, a limiting support arm 12 for moving the limiting claw 7-2 toward the side of the storage shell 6-2, and a propulsion arm 20 for pushing the hanging rod 11 toward the side of the limiting claw 7-2, thereby realizing opening the strap in different ways, clamping the material bag and releasing the material bag, and the flexible strap can also realize flexible clamping of different storage material bags.

[0049] For those skilled in the art, they can modify the technical solutions described in the aforementioned embodiments and make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A flexible clamping mechanism for an automatic packaging bag loading machine, comprising a base (1), characterized in that: It also contains: A connecting arm (2), wherein the connecting arm (2) is arranged below the base (1); A connecting seat (3), wherein the connecting seat (3) is fixedly arranged on the lower side wall of the base (1); A turning shaft (4), wherein the turning shaft (4) is rotatably mounted on the movable end of the connecting arm (2) via a bearing, and the connecting seat (3) is fixedly mounted on the turning shaft (4); A turning motor (5), wherein the turning motor (5) is fixedly arranged on the end side wall of the connecting arm (2), and the output shaft of the turning motor (5) is connected to the end shaft of the turning shaft (4) in a transmission manner; A belt assembly (6), wherein the belt assembly (6) is arranged on one side above the base (1); A limiting component (7) is arranged above the base (1) and away from a side of the belt component (6).

2. The flexible clamping mechanism of the automatic packaging bag loading machine according to claim 1, characterized in that: A belt support arm (8) is rotatably mounted on the base (1) via a rotating shaft, a belt assembly (6) is mounted on the belt support arm (8), a belt motor (9) is fixedly mounted on the base (1), and an output shaft of the belt motor (9) is transmission-connected to an end of a shaft of the belt support arm (8).

3. The flexible clamping mechanism of the automatic packaging bag loading machine according to claim 2, characterized in that: The described belt assembly (6) comprises a motor unit (6-1) and a storage shell (6-2), wherein the motor unit (6-1) is fixedly arranged on the movable end of the belt support arm (8), the storage shell (6-2) is fixedly arranged on the housing of the motor unit (6-1), and the shaft end of the motor unit (6-1) is inserted into the interior of the storage shell (6-2) through a bearing, a side port is provided on the side panel of the storage shell (6-2), a belt is wound around the storage shell (6-2) through a belt roller, the belt roller is rotated in the storage shell (6-2) through a bearing and is transmission-connected to the shaft end of the motor unit (6-1), and the end of the belt passes through the side port of the storage shell (6-2).

4. The flexible clamping mechanism of the automatic packaging bag loading machine according to claim 3, characterized in that: Brackets (10) are fixedly provided on the side walls of the storage shell (6-2) at both ends of the side port of the storage shell (6-2), and a hanging rod (11) is fixedly provided at one end of the strap extending from the side port of the storage shell (6-2). The hanging rod (11) is mounted on the brackets (10), and both ends of the hanging rod (11) extend to the ends of the storage shell (6-2) respectively.

5. The flexible clamping mechanism of the automatic packaging bag loading machine according to claim 1, characterized in that: A limit support arm (12) is rotatably provided on the base (1) via a rotating shaft, and the limit support arm (12) is coaxially arranged with the strap support arm (8), the limit assembly (7) is arranged on the movable end of the limit support arm (12), and a limit motor (13) is fixedly provided on the base (1), and the output shaft of the limit motor (13) is transmission-connected to the shaft end of the limit support arm (12).

6. The flexible clamping mechanism of the automatic packaging bag loading machine according to claim 5, characterized in that: The limiting assembly (7) comprises a limiting seat (7-1) and a limiting claw (7-2), wherein the limiting seat (7-1) is fixedly arranged on the movable end of the limiting support arm (12), and the limiting claws (7-2) are two and symmetrically rotated on the limiting seat (7-1) through a rotating shaft. The walls of the two limiting claws (7-2) on the opposite sides are provided with limiting grooves that cooperate with the hanging rod (11), and the rotating shafts of the two limiting claws (7-2) are fixedly provided with spur gears (7-1), and the two spur gears (7-1) are meshed with each other.

7. The flexible clamping mechanism of the automatic packaging bag loading machine according to claim 6, characterized in that: A connecting rod (14) is fixedly arranged on the rotating shaft of the limiting claw (7-2), a limiting pin (15) is fixedly arranged on the movable end of the connecting rod (14), a locking motor (16) is fixedly arranged on the limiting seat (7-1), a locking seat (17) is fixedly arranged on the output shaft of the locking motor (16), an arc groove (18) is provided on the locking seat (17), and the limiting pin (15) is movably inserted in the arc groove (18), a torsion spring (19) is sleeved and fixed on the rotating shaft of the other limiting claw (7-2), and the end foot of the torsion spring (19) is fixedly arranged on the limiting seat (7-1).

8. The flexible clamping mechanism of the automatic packaging bag loading machine according to claim 4, characterized in that: The base (1) is provided with a propulsion arm (20) rotatably mounted on a rotating shaft, a stepping unit (21) is fixedly mounted on the movable end of the propulsion arm (20), and the stepping unit (21) is mounted on the side of the end of the storage shell (6-2), a connecting sleeve (22) is fixedly mounted on the movable end of the stepping unit (21), and the connecting sleeve (22) is mounted on both sides of the hanging rod (11), a propulsion motor (23) is fixedly mounted on the base (1), and an output shaft of the propulsion motor (23) is connected to the shaft end of the propulsion arm (20) in a transmission manner.

9. The flexible clamping mechanism of the automatic packaging bag loading machine according to claim 3 or 6, characterized in that: A strap telescopic rod (24) is fixedly provided on the base (1), a hanging ring (25) is fixedly provided on the side wall of the storage shell (6-2), the movable end of the strap telescopic rod (24) is inserted into the hanging ring (25), a limiting telescopic rod (26) is fixedly provided on the base (1), a limiting hole is provided on the end wall of the limiting seat (7-1), and the movable end of the limiting telescopic rod (26) is inserted into the limiting hole on the limiting seat (7-1).

10. The flexible clamping mechanism of the automatic packaging bag loading machine according to claim 9, characterized in that: A carrier frame (27) is fixedly provided on the base (1), and the carrier frame (27) is provided between the limiting claw (7-2) and the storage shell (6-2).

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