Small bag grabbing device

Abstract

The present invention discloses a small bag grabbing device, comprising a guide rail bracket, a reduction motor is fixedly installed on one side of the top of the guide rail bracket, the output end of the reduction motor is sleeved with a transmission belt, both ends of the transmission belt are fixedly connected to a bag grabbing platform plate, both sides of the top of the bag grabbing platform plate are fixedly installed with a bag grabbing cylinder, the output end of the bag grabbing cylinder is rotatably connected to a connecting rod through a bearing, the bottom of the connecting rod is fixedly connected to a first rotating rod, both ends of the first rotating rod are rotatably connected to a first bearing seat, and the two first bearing seats are respectively fixedly connected to one end of two mounting seats away from the side of the connecting rod, a bag kicking cylinder is fixedly installed at one end of the top of the bag grabbing platform plate, and the output end of the bag kicking cylinder is fixedly connected to a bag kicking rod. The present invention provides a small bag grabbing device that can be suitable for packaging bags of various specifications and materials, has high applicability, and automated operation saves human resources and avoids harm to the health of operators.

Description

Technical Field

[0001] The invention relates to the field of bag grabbing devices, in particular to a small bag grabbing device. Background Art

[0002] In the pharmaceutical, food, and chemical industries, there are many bagged materials. Bagged powders or granular materials are moved to the feeding point manually or by suction cranes.

[0003] The existing feeding method has a severe health hazard to the operators on site due to the harsh on-site environment and heavy dust. The entire feeding process is labor-intensive, labor-intensive and inefficient. Therefore, we propose a small bag grabbing device. Summary of the invention

[0004] The purpose of the present invention is to provide a small bag grabbing device to solve the problems of the existing feeding method proposed in the above background technology, such as the harsh on-site environment, large amount of dust, serious harm to the health of on-site operators, high labor intensity, high labor cost and low feeding efficiency in the entire feeding process.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a small bag grabbing device, comprising a guide rail bracket, a reduction motor is fixedly installed on one side of the top of the guide rail bracket, the output end of the reduction motor is sleeved with a transmission belt, the side of the transmission belt away from the reduction motor is rotatably connected to a pulley, and the pulley is fixedly installed on the other side of the top of the guide rail bracket, both ends of the transmission belt are fixedly connected to a bag grabbing platform plate, both sides of the top of the bag grabbing platform plate are fixedly installed with a bag grabbing cylinder, the output end of the bag grabbing cylinder is rotatably connected to a connecting rod through a bearing, the bottom of the connecting rod is fixedly connected to a first rotating rod, both ends of the first rotating rod are rotatably connected to a first bearing seat, and the two first bearing seats are respectively fixedly connected At one end of the two mounting seats away from the connecting rod side, the other ends of the two mounting seats away from the connecting rod side are fixedly connected to the second bearing seat, and the inner walls of the two second bearing seats are rotatably connected to the second rotating rods, both sides of the first rotating rod are fixedly sleeved with a first gear, both sides of the second rotating rod are fixedly sleeved with a second gear, and the two first gears are respectively meshed with the two second gears, and the surface of the first rotating rod and the surface of the second rotating rod are fixedly connected to a plurality of grab hooks, telescopic rods are fixedly installed on both sides of the top of the mounting seat, and the two telescopic rods are fixedly connected to the bottom end of the guide rail bracket, and a kick bag cylinder is fixedly installed on one end of the top of the bag grabbing platform plate, and the output end of the kick bag cylinder is fixedly connected to the kick bag rod.

[0006] As a preferred technical solution of the present invention, a PLC controller is fixedly installed on the side of the bottom end of the guide rail bracket away from the reduction motor, and the reduction motor, bag grabbing cylinder and bag kicking cylinder are all electrically connected to the PLC controller.

[0007] As a preferred technical solution of the present invention, a photoelectric switch is fixedly installed on one side of the bottom end of the guide rail bracket close to the reduction motor, and the PLC controller is electrically connected to the external power supply through the photoelectric switch.

[0008] As a preferred technical solution of the present invention, a first displacement opening is provided at the top end of the bag grabbing platform plate corresponding to the motion track of the connecting rod.

[0009] As a preferred technical solution of the present invention, the bag-kicking cylinder is obliquely installed on the top of the bag-grabbing platform plate, and a second displacement opening is opened on the top of the bag-grabbing platform plate corresponding to the movement trajectory of the bag-kicking cylinder.

[0010] As a preferred technical solution of the present invention, the two bag grabbing cylinders are oriented in opposite directions.

[0011] As a preferred technical solution of the present invention, guide wheels are fixedly installed at both ends of both sides of the bag grabbing platform plate, and the four guide wheels are respectively slidably connected to the two sides of the guide rail bracket.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] 1. The grabbing cylinder is driven by the control system. When the grabbing cylinder is extended or retracted, the connecting rod drives the first rotating rod to rotate. The first gear on the first rotating rod drives the second gear on the second rotating rod to rotate, that is, drives the second rotating rod to rotate, so that the grabbing hooks on both sides rotate and extend. The grabbing hooks penetrate into the material bag and hook up the material bag. This method is suitable for packaging bags of various specifications and materials and has high applicability.

[0014] 2. PLC automatic control is adopted. The bag grabbing platform is first driven by the reduction motor to move and grab the bag. Then the bag grabbing platform moves again, and then the waste bags are removed and the bags are taken off. The equipment is simple and reliable. Through automated operation, it avoids harm to the health of operators due to harsh on-site environment and heavy dust, reduces labor intensity, saves manpower, and also improves feeding efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A perspective view of the present invention;

[0016] Figure 2 A three-dimensional diagram of the grappling hook of the present invention;

[0017] Figure 3 A three-dimensional view of the mounting seat of the present invention;

[0018] Figure 4 It is a plan view of the guide rail bracket of the present invention.

[0019] In the figure: 1. reduction motor; 2. guide rail bracket; 3. bag grabbing platform plate; 4. transmission belt; 5. bag grabbing cylinder; 6. bag kicking cylinder; 7. bag kicking rod; 8. pulley; 9. guide wheel; 10. grab hook; 11. connecting rod; 12. first rotating rod; 13. first gear; 14. telescopic rod; 15. mounting seat; 16. first bearing seat; 17. second gear; 18. second rotating rod; 19. photoelectric switch; 20. PLC controller; 21. second bearing seat. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0021] See also Figure 1-4 The present invention provides a small bag grabbing device, including a guide rail bracket 2, a reduction motor 1 is fixedly installed on one side of the top of the guide rail bracket 2, a transmission belt 4 is sleeved on the output end of the reduction motor 1, the transmission belt 4 is rotatably connected to a pulley 8 on the side away from the reduction motor 1, and the pulley 8 is fixedly installed on the other side of the top of the guide rail bracket 2, both ends of the transmission belt 4 are fixedly connected to a bag grabbing platform plate 3, both sides of the top of the bag grabbing platform plate 3 are fixedly installed with a bag grabbing cylinder 5, the output end of the bag grabbing cylinder 5 is rotatably connected to a connecting rod 11 through a bearing, the bottom of the connecting rod 11 is fixedly connected to a first rotating rod 12, both ends of the first rotating rod 12 are rotatably connected to a first bearing seat 16, and the two first bearing seats 16 are respectively fixedly connected to two mounting seats 15 away from the connecting rod 11 At one end of one side, the other ends of the two mounting seats 15 facing away from the connecting rod 11 are fixedly connected to the second bearing seat 21, and the inner walls of the two second bearing seats 21 are rotatably connected to the second rotating rod 18, the first rotating rod 12 is fixedly sleeved with a first gear 13 on both sides, the second rotating rod 18 is fixedly sleeved with a second gear 17 on both sides, and the two first gears 13 are respectively meshed with the two second gears 17, the surface of the first rotating rod 12 and the surface of the second rotating rod 18 are fixedly connected with a plurality of grab hooks 10, telescopic rods 14 are fixedly installed on both sides of the top of the mounting seat 15, and the two telescopic rods 14 are fixedly connected to the bottom end of the guide rail bracket 2, and a kicking bag cylinder 6 is fixedly installed at one end of the top of the bag grabbing platform plate 3, and the output end of the kicking bag cylinder 6 is fixedly connected to the kicking bag rod 7.

[0022] Preferably, a PLC controller 20 is fixedly installed on the side of the bottom end of the guide rail bracket 2 away from the reduction motor 1, and the reduction motor 1, the bag grabbing cylinder 5, and the bag kicking cylinder 6 are all electrically connected to the PLC controller 20, and the reduction motor 1, the bag grabbing cylinder 5, and the bag kicking cylinder 6 are turned on and off by the PLC controller 20;

[0023] Preferably, a photoelectric switch 19 is fixedly installed on one side of the bottom end of the guide rail bracket 2 close to the reduction motor 1, and the PLC controller 20 is electrically connected to the external power supply through the photoelectric switch 19. When the photoelectric switch 19 detects the material bag, the PLC controller 20 will be started to operate;

[0024] Preferably, a first displacement opening is provided at the top of the bag grabbing platform plate 3 corresponding to the movement track of the connecting rod 11, and the first displacement opening provides space for the movement of the connecting rod 11;

[0025] Preferably, the bag-kicking cylinder 6 is obliquely installed at the top of the bag-grabbing platform plate 3, and a second displacement opening is provided at the top of the bag-grabbing platform plate 3 corresponding to the movement track of the bag-kicking cylinder 6. The bag-kicking cylinder 6 is obliquely arranged so as to drive the bag-kicking rod 7 to kick upward, thereby kicking the original waste bag into the waste bag collector, and the second displacement opening provides space for the expansion and contraction of the bag-kicking cylinder 6;

[0026] Preferably, the two bag grabbing cylinders 5 are oriented in opposite directions, so that the two bag grabbing cylinders 5 can respectively drive the grabbing hooks 10 on both sides to grab both sides of the material bag;

[0027] Preferably, guide wheels 9 are fixedly installed at both ends of the bag grabbing platform plate 3, and the four guide wheels 9 are respectively slidably connected to the two sides of the guide rail bracket 2, providing support for the movement of the bag grabbing platform plate 3.

[0028] When used specifically, the present invention provides a small bag grabbing device, the model of the photoelectric switch 19 is SA005-1K, when the photoelectric switch 19 detects that there is a material bag on the bag grabbing station, the reduction motor 1 starts and drives the bag grabbing platform plate 3 through the transmission belt 4, when the bag grabbing platform plate 3 moves to the top of the material bag, the control system drives the bag grabbing cylinder 5, because the mounting seat 15 is connected to the bottom end of the guide rail bracket 2 through the telescopic rod 14, the bag grabbing cylinder 5 can drive the first rotating rod 12 to rotate through the connecting rod 11 when it is extended and retracted, and the first gear 13 on the first rotating rod 12 will drive the second The second gear 17 on the rotating rod 18 rotates, which drives the second rotating rod 18 to rotate, so that the grab hooks 10 on both sides rotate and extend, and the grab hooks 10 penetrate into the material bag to hook up the material bag. The control system then drives the reduction motor 1 to drive the bag grabbing platform plate 3 to move, and runs to the bag cutting station and the bag shaking station in turn. Before arriving at the bag shaking station, the bag kicking cylinder 6 drives the bag kicking rod 7 to kick up, and kicks the waste bag originally at the bag shaking station into the waste bag collector. At the same time, the bag grabbing cylinder 5 drives the grabbing hook 10 to rotate and retract, so that after the bag cutting is completed, the material bag falls to the bag shaking station under the action of gravity, completing a bag grabbing action.

[0029] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A small bag grabbing device, comprising a guide rail bracket (2), a reduction motor (1), a transmission belt (4), a bag grabbing platform plate (3), a bag grabbing cylinder (5), a bag kicking cylinder (6) and a PLC controller (20), characterized in that: A reduction motor (1) is fixedly mounted on one side of the top of the guide rail bracket (2); a transmission belt (4) is sleeved on the output end of the reduction motor (1); a side of the transmission belt (4) facing away from the reduction motor (1) is rotatably connected to a pulley (8), and the pulley (8) is fixedly mounted on the other side of the top of the guide rail bracket (2); two ends of the transmission belt (4) are fixedly connected to a bag grabbing platform plate (3); both sides of the top of the bag grabbing platform plate (3) are fixedly mounted with a bag grabbing cylinder (5); the output end of the bag grabbing cylinder (5) is rotatably connected to a connecting rod (11) via a bearing; a first rotating rod (12) is fixedly connected to the bottom of the connecting rod (11); both ends of the first rotating rod (12) are rotatably connected to a first bearing seat (16), and two first bearing seats (16) are respectively fixedly connected to one end of two mounting seats (15) facing away from the connecting rod (11); and the two mounting seats (15) are fixedly mounted on the ends of the two mounting seats (15) facing away from the connecting rod (11). The other end of the seat (15) away from the connecting rod (11) is fixedly connected to a second bearing seat (21), and the inner walls of the two second bearing seats (21) are rotatably connected to second rotating rods (18), first gears (13) are fixedly sleeved on both sides of the first rotating rod (12), second gears (17) are fixedly sleeved on both sides of the second rotating rod (18), and the two first gears (13) are respectively meshed with the two second gears (17), and a plurality of grab hooks (10) are fixedly connected to the surface of the first rotating rod (12) and the surface of the second rotating rod (18), telescopic rods (14) are fixedly installed on both sides of the top of the mounting seat (15), and the two telescopic rods (14) are fixedly connected to the bottom end of the guide rail bracket (2), and a kicking bag cylinder (6) is fixedly installed at one end of the top of the bag grabbing platform plate (3), and the output end of the kicking bag cylinder (6) is fixedly connected to the kicking bag rod (7); A PLC controller (20) is fixedly mounted on a side of the bottom end of the guide rail bracket (2) away from the reduction motor (1), and the reduction motor (1), the bag grabbing cylinder (5), and the bag kicking cylinder (6) are all electrically connected to the PLC controller (20); A photoelectric switch (19) is fixedly mounted on one side of the bottom end of the guide rail bracket (2) close to the reduction motor (1), and the PLC controller (20) is electrically connected to an external power supply via the photoelectric switch (19); In specific use, when the photoelectric switch (19) detects that there is a material bag on the bag grabbing station, the reduction motor (1) is started and drives the bag grabbing platform plate (3) through the transmission belt (4). When the bag grabbing platform plate (3) moves to the top of the material bag, the control system drives the bag grabbing cylinder (5). Since the mounting seat (15) is connected to the bottom end of the guide rail bracket (2) through the telescopic rod (14), the bag grabbing cylinder (5) can drive the first rotating rod (12) to rotate through the connecting rod (11) when it is extended and retracted. The first gear (13) on the first rotating rod (12) drives the second gear (13) on the second rotating rod (18) to rotate. 17) rotates, that is, drives the second rotating rod (18) to rotate, so that the grab hooks (10) on both sides rotate and extend, and the grab hooks (10) penetrate into the material bag to hook up the material bag, and the control system then drives the reduction motor (1) to drive the bag grabbing platform plate (3) to move, and successively run to the bag cutting station and the bag shaking station. Before reaching the bag shaking station, the bag kicking cylinder (6) drives the bag kicking rod (7) to kick upward, and kick the waste bag originally at the bag shaking station into the waste bag collecting machine. At the same time, the bag grabbing cylinder (5) drives the grab hook (10) to rotate and retract, so that the material bag after the bag cutting is completed falls to the bag shaking station under the action of gravity, and a bag grabbing action is completed; Guide wheels (9) are fixedly mounted on both ends of the bag grabbing platform plate (3), and the four guide wheels (9) are respectively slidably connected to the two sides of the guide rail bracket (2).

2. A small bag grabbing device according to claim 1, characterized in that: A first displacement opening is provided at the top end of the bag grabbing platform plate (3) corresponding to the movement track of the connecting rod (11).

3. A small bag grabbing device according to claim 1, characterized in that: The bag-kicking cylinder (6) is obliquely mounted on the top of the bag-grabbing platform plate (3), and a second displacement opening is provided at the top of the bag-grabbing platform plate (3) corresponding to the movement track of the bag-kicking cylinder (6).

4. A small bag grabbing device according to claim 1, characterized in that: The two bag grabbing cylinders (5) are oriented in opposite directions.

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