Adjustable packaging bag seam pressing mechanism
By designing an adjustable packaging bag seam compression mechanism in the processing of packaging bag seam, the synchronous lifting and pressure relief mechanism is used to achieve neat seam opening and prevent leakage, the problem of incomplete seam openings is solved, and the processing quality and scope of application are improved .
Patent Information
- Application Number
- CN202420147928.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-22
- Publication Date
- 2024-12-10
- Estimated Expiration
- 2034-01-22
AI Technical Summary
During the processing of existing packaging bag seams, the seams are not neat, resulting in defects such as offset of the compression position and leaking joints, affecting the processing quality.
An adjustable packaging bag seam compression mechanism is designed, using a synchronous lifting mechanism and a pressure relief mechanism, and the height adjustment of the compression rod is achieved through the stepper motor driving the rotary rod and bevel gear system, and the gas push rod and pressure relief spring are used to prevent it. The pressure is too high to ensure the joints are neat and reduce leakage.
Accurate positioning and tightening of the seams of packaging bags of different heights, reducing leakage and position offset, improving the quality and scope of application of seams processing, and preventing the packaging bag from being squeezed.
Smart Images
Figure CN222136101U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of packaging bag processing, in particular to an adjustable packaging bag seam pressing mechanism. Background Art
[0002] Packaging bags refer to bags used to package various supplies, which make it convenient to transport and store goods during the production and circulation process. They are widely used in daily life and industrial production. Actual figures show that 80% of used plastic bags are eventually transported to garbage dumps for treatment like general garbage, and only 7% of plastics are recycled. The commodity nature of packaging itself is becoming more and more significant. It has become a special product that is no longer dependent on commodity production, a product that all commodities cannot do without and is widely used. During the processing of packaging bags, the packaging bags need to be sewn.
[0003] In the prior art, the mouth of a general packaging bag is not aligned before passing through a seam sewing machine, and the bag is aligned only by supporting the bag. However, sometimes the pressing position is too single, so an adjustable seam pressing mechanism is provided to accurately position the seam by adjusting it up and down. After the seam is pressed, defects such as leakage and position deviation can be reduced. Utility Model Content
[0004] The utility model aims to provide an adjustable packaging bag seam pressing mechanism to solve the problems raised in the above-mentioned background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an adjustable packaging bag seam clamping mechanism, including a conveyor belt machine for conveying packaging bags, the conveyor belt machine having a concave frame shell fixedly connected on both sides of the frame, a synchronous lifting mechanism is arranged in the concave frame shell, and the opposite side walls of the concave frame shell are provided with sliding groove openings, the two ends of the synchronous lifting mechanism respectively pass through the two sliding groove openings and are fixedly connected to two symmetrically arranged mounting plates, two symmetrically arranged air push rods are fixedly connected to the two mounting plates, the adjacent ends of the two air push rods are fixedly connected to a pressure relief mechanism, the adjacent ends of the two pressure relief mechanisms are fixedly connected to two symmetrically arranged clamping rods, the front side wall of the concave frame shell is fixedly connected to a PLC controller, and the PLC controller is electrically connected to the conveyor belt machine, the synchronous lifting mechanism and the air push rods, respectively.
[0006] As a further solution of the utility model: wherein, the synchronous lifting mechanism includes a stepper motor fixed on one side of the concave frame shell, the main shaft end of the stepper motor penetrates into the lateral end of the concave frame shell and is fixedly connected to a rotating rod, and two active bevel gears arranged in the same direction are fixedly connected to the rotating rod, and the two vertical lower end inner walls of the concave frame shell are rotatably connected to a screw rod through a bearing seat, and the upper end of the screw rod is fixedly connected to a driven bevel gear meshing with the active bevel gear, and the two screw rods are threadedly connected to thread blocks, and the two thread blocks are fixedly connected to a connecting rod on one side, and the two connecting rods pass through two sliding grooves and are fixedly connected to two mounting plates respectively.
[0007] As a further solution of the utility model: wherein, the inner wall of the transverse end of the concave frame shell is rotatably connected to the outer side wall of the rotating rod through a bearing sleeve.
[0008] As a further solution of the utility model: wherein, the inner walls on both sides of the sliding groove opening are frictionally connected to the side walls on both sides of the connecting rod.
[0009] As a further solution of the utility model: wherein, the pressure relief mechanism includes a pressure relief shell fixedly connected to the air push rod, the inner wall of the pressure relief shell is slidably connected with a slide plate, two symmetrically arranged pressure relief springs are fixedly connected between the slide plate and the inner wall of the pressure relief shell, and two symmetrically arranged pressure relief rods are fixedly connected to the side of the slide plate away from the pressure relief spring, and the two pressure relief rods both penetrate the pressure relief shell and are fixedly connected to the clamping rod.
[0010] As a further solution of the utility model: wherein, two sliding holes are opened on one side of the pressure relief shell, and the two pressure relief rods are respectively arranged through the two sliding holes.
[0011] As a further solution of the utility model: wherein, an inductive sensor is fixedly connected to the lower side wall of the lateral end of the concave frame shell located directly above the conveyor belt machine, and one end of the inductive sensor is electrically connected to the PLC controller.
[0012] Compared with the prior art, the beneficial effects of the utility model are:
[0013] 1. The adjustable packaging bag seam clamping mechanism is provided with a synchronous lifting mechanism, and the stepper motor is started to drive the rotating rod to rotate. Since the two active bevel gears are respectively engaged with the two driven bevel gears, the two screw rods are driven to rotate synchronously. At this time, the two threaded blocks are forced to move synchronously, and then the air push rod fixed with the connecting rod is driven to move, so as to realize the synchronous adjustment of the height of the two clamping rods. The adjustment is convenient, and the seams of packaging bags with different heights can be clamped, and the processing application range is wide.
[0014] 2. The adjustable packaging bag seam clamping mechanism is provided with a conveyor belt, two air push rods and two clamping rods. The conveyor belt conveys the packaging bag to between the two clamping rods, and the two air push rods are started to work and extend synchronously, which can push the two clamping rods to clamp the seam of the packaging bag, so that the bag mouth is neat before the packaging bag enters the seam machine, which can reduce defects such as leakage and position deviation, and facilitate subsequent seam processing.
[0015] 3. The adjustable packaging bag seam clamping mechanism is provided with a pressure relief mechanism. When the two clamping rods clamp the seam of the packaging bag, the slide plate fixed to the pressure relief rods can be pushed to slide in the pressure relief shell, thereby squeezing and contracting the pressure relief spring to generate elastic force, which can buffer the squeezing force on the two clamping rods and prevent the packaging bag from being broken by excessive pressure. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;
[0017] Figure 2 It is a three-dimensional enlarged structural diagram of the concave frame shell of the utility model;
[0018] Figure 3 It is a right side cross-sectional structural diagram of the concave frame shell of the utility model;
[0019] Figure 4 It is a schematic diagram of the cross-sectional structure of the pressure relief shell in the utility model in a top view.
[0020] The corresponding relationship between the illustrations and component names in the figure is as follows:
[0021] 1. Conveyor belt; 2. Concave frame shell; 3. Slide groove; 4. Mounting plate; 5. Air push rod; 6. Clamping rod; 7. PLC controller; 8. Stepper motor; 9. Rotating rod; 10. Active bevel gear; 11. Screw rod; 12. Driven bevel gear; 13. Threaded block; 14. Connecting rod; 15. Bearing sleeve; 16. Pressure relief shell; 17. Slide plate; 18. Pressure relief spring; 19. Pressure relief rod; 20. Sliding hole; 21. Inductive sensor. DETAILED DESCRIPTION
[0022] See also Figures 1 to 4In the practical embodiment, the adjustable packaging bag seam clamping mechanism comprises a conveyor belt machine 1 for conveying packaging bags, and a concave frame shell 2 is fixedly connected to both sides of the frame of the conveyor belt machine 1, and a synchronous lifting mechanism is arranged in the concave frame shell 2, and slide grooves 3 are opened on the opposite side walls of the concave frame shell 2, and the two ends of the synchronous lifting mechanism pass through the two slide grooves 3 and are fixedly connected to two symmetrically arranged mounting plates 4, and two symmetrically arranged gas push rods 5 are fixedly connected to the two mounting plates 4, and the adjacent ends of the two gas push rods 5 are fixedly connected to the pressure relief mechanism, and the adjacent ends of the two pressure relief mechanisms are fixedly connected to two symmetrically arranged clamping rods 6, and the conveyor belt machine 1 will The packaging bag is conveyed between the two clamping rods 6, and then the two air push rods 5 are started to work and extend synchronously, which can push the two clamping rods 6 to clamp the seam of the packaging bag, so that the bag mouth is neat before the packaging bag enters the sewing machine, which can reduce defects such as leaks and position offsets, and facilitate subsequent seam processing. The front side wall of the concave frame shell 2 is fixedly connected to a PLC controller 7, and the PLC controller 7 is electrically connected to the conveyor belt machine 1, the synchronous lifting mechanism and the air push rods 5 respectively. It is easy to operate and has an external power supply. The circuits, electronic components and modules involved are all existing technologies, which can be fully implemented by those skilled in the art. Needless to say, the content protected by this application does not involve improvements to software and methods.
[0023] like Figure 2 and Figure 3 As shown: the synchronous lifting mechanism includes a stepper motor 8 fixed to one side of the concave frame shell 2, the main shaft end of the stepper motor 8 penetrates into the lateral end of the concave frame shell 2 and is fixedly connected to a rotating rod 9, and two active bevel gears 10 arranged in the same direction are fixedly connected to the rotating rod 9, and the two vertical lower end inner walls of the concave frame shell 2 are rotatably connected to the screw rod 11 through the bearing seat, and the upper end of the screw rod 11 is fixedly connected to the driven bevel gear 12 meshing with the active bevel gear 10, and the two screw rods 11 are threadedly connected to the thread blocks 13, and the two thread blocks 13 are fixedly connected to the side close to the two connecting rods 14, and the two connecting rods 14 pass through the two slide grooves 3 and are divided into It is fixedly connected to the two mounting plates 4. When the height of the two clamping rods 6 needs to be adjusted according to the height of the seam of the packaging bag, the stepping motor 8 is started to drive the rotating rod 9 to rotate. Since the two active bevel gears 10 are respectively meshed with the two driven bevel gears 12, the two screw rods 11 are driven to rotate synchronously. Since the two screw rods 11 are respectively threadedly connected to the two threaded blocks 13, the two threaded blocks 13 are forced to move synchronously at this time, thereby driving the air push rod 5 fixed to the connecting rod 14 to move, thereby realizing the synchronous adjustment of the height of the two clamping rods 6. The adjustment is convenient, and the seams of packaging bags with different heights can be clamped. The processing application range is wide.
[0024] like Figure 3 As shown, the inner wall of the transverse end of the concave frame shell 2 is rotatably connected to the outer wall of the rotating rod 9 through the bearing sleeve 15, which can stabilize the rotation of the rotating rod 9.
[0025] like Figure 2 As shown: the inner walls on both sides of the sliding groove opening 3 are frictionally connected with the side walls on both sides of the connecting rod 14, so that the displacement of the connecting rod 14 is more stable.
[0026] like Figure 4 As shown: the pressure relief mechanism includes a pressure relief shell 16 fixedly connected to the air push rod 5, and a slide plate 17 is slidably connected to the inner wall of the pressure relief shell 16, and two symmetrically arranged pressure relief springs 18 are fixedly connected between the slide plate 17 and the inner wall of the pressure relief shell 16, and two symmetrically arranged pressure relief rods 19 are fixedly connected to the side of the slide plate 17 away from the pressure relief springs 18, and the two pressure relief rods 19 both penetrate the pressure relief shell 16 and are fixedly connected to the clamping rod 6. When the two clamping rods 6 clamp the seam of the packaging bag, the slide plate 17 fixed to the pressure relief rod 19 can be pushed to slide in the pressure relief shell 16, and the pressure relief spring 18 can be squeezed and contracted to generate elastic force, which can buffer the squeezing force on the two clamping rods 6 to prevent the packaging bag from being squeezed by excessive pressure.
[0027] like Figure 4 As shown, two sliding holes 20 are opened on one side of the pressure relief shell 16, and two pressure relief rods 19 are respectively arranged through the two sliding holes 20 to facilitate the displacement of the pressure relief rods 19.
[0028] like Figure 1 As shown: an inductive sensor 21 is fixedly connected to the lower side wall of the lateral end of the concave frame shell 2 located directly above the conveyor belt 1. One end of the inductive sensor 21 is electrically connected to the PLC controller 7. When the inductive sensor 21 detects that the packaging bag has moved to the position directly below it, a signal is sent to the PLC controller 7 to stop the conveyor belt 1 from conveying. Then, the two air push rods 5 are started to work and extend synchronously, pushing the two clamping rods 6 to clamp the seams of the packaging bag, thereby improving the convenience of operation.
[0029] Working principle: When the device is used to press and tidy up the bag mouth before the bag is sewn, first, when the height of the two pressing rods 6 needs to be adjusted according to the height of the bag seam, the stepper motor 8 is started to work, driving the rotating rod 9 to rotate. Since the two active bevel gears 10 are respectively meshed with the two driven bevel gears 12, the two screw rods 11 are driven to rotate synchronously. Since the two screw rods 11 are respectively threadedly connected with the two threaded blocks 13, the two threaded blocks 13 are forced to move synchronously at this time, thereby driving the air push rod 5 fixed with the connecting rod 14 to move, thereby realizing the synchronous adjustment of the height of the two pressing rods 6. The adjustment is convenient, and the seams of the packaging bags with different heights can be pressed, and the processing application range is wide.
[0030] Then, the conveyor belt 1 conveys the packaging bag to between the two pressing rods 6, and starts the two air push rods 5 to work and extend synchronously, which can push the two pressing rods 6 to press the seam of the packaging bag, so that the bag mouth is neat before the packaging bag enters the seam machine, which can reduce defects such as leaking seams and position deviation, and facilitate subsequent seam processing;
[0031] Secondly, when the two clamping rods 6 press the seam of the packaging bag, they can push the slide plate 17 fixed to the pressure-relief rod 19 to slide in the pressure-relief shell 16, squeeze and contract the pressure-relief spring 18 to generate elastic force, which can buffer the squeezing force exerted on the two clamping rods 6 to prevent the packaging bag from being broken by excessive pressure.
[0032] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. An adjustable packaging bag seam clamping mechanism, comprising a conveyor belt machine (1) for conveying packaging bags, characterized in that: A concave frame shell (2) is fixedly connected to both sides of the frame of the conveyor belt machine (1), a synchronous lifting mechanism is arranged in the concave frame shell (2), and sliding groove openings (3) are opened on the opposite side walls of the concave frame shell (2), and the two ends of the synchronous lifting mechanism respectively pass through the two sliding groove openings (3) and are fixedly connected to two symmetrically arranged mounting plates (4), and two symmetrically arranged air push rods (5) are fixedly connected to the two mounting plates (4), and the adjacent ends of the two air push rods (5) are fixedly connected to a pressure relief mechanism, and the adjacent ends of the two pressure relief mechanisms are fixedly connected to two symmetrically arranged clamping rods (6), and the front side wall of the concave frame shell (2) is fixedly connected to a PLC controller (7), and the PLC controller (7) is electrically connected to the conveyor belt machine (1), the synchronous lifting mechanism and the air push rods (5) respectively.
2. The adjustable packaging bag seam pressing mechanism according to claim 1, characterized in that: The synchronous lifting mechanism comprises a stepper motor (8) fixed to one side of the concave frame shell (2); the main shaft end of the stepper motor (8) penetrates into the lateral end of the concave frame shell (2) and is fixedly connected to a rotating rod (9); two active bevel gears (10) arranged in the same direction are fixedly connected to the rotating rod (9); two vertical lower end inner walls of the concave frame shell (2) are rotatably connected to a screw rod (11) through a bearing seat; the upper end of the screw rod (11) is fixedly connected to a driven bevel gear (12) meshingly connected to the active bevel gear (10); the two screw rods (11) are threadedly connected to a threaded block (13); the two threaded blocks (13) are fixedly connected to a connecting rod (14) on one side thereof; the two connecting rods (14) respectively pass through the two slide groove openings (3) and are respectively fixedly connected to the two mounting plates (4).
3. The adjustable packaging bag seam pressing mechanism according to claim 2, characterized in that: The inner wall of the transverse end of the concave frame shell (2) is rotatably connected to the outer wall of the rotating rod (9) via a bearing sleeve (15).
4. The adjustable packaging bag seam pressing mechanism according to claim 2, characterized in that: The inner walls on both sides of the sliding groove opening (3) are frictionally connected to the side walls on both sides of the connecting rod (14).
5. The adjustable packaging bag seam pressing mechanism according to claim 1, characterized in that: The pressure relief mechanism comprises a pressure relief shell (16) fixedly connected to the air push rod (5); the inner wall of the pressure relief shell (16) is slidably connected to a slide plate (17); two symmetrically arranged pressure relief springs (18) are fixedly connected between the slide plate (17) and the inner wall of the pressure relief shell (16); the side of the slide plate (17) away from the pressure relief spring (18) is fixedly connected to two symmetrically arranged pressure relief rods (19); both of the two pressure relief rods (19) penetrate the pressure relief shell (16) and are fixedly connected to the clamping rod (6).
6. The adjustable packaging bag seam pressing mechanism according to claim 5, characterized in that: Two sliding holes (20) are provided on one side of the pressure-reducing shell (16), and the two pressure-reducing rods (19) are respectively arranged through the two sliding holes (20).
7. The adjustable packaging bag seam pressing mechanism according to claim 1, characterized in that: An inductive sensor (21) is fixedly connected to the lower side wall of the transverse end of the concave frame shell (2) located directly above the conveyor belt machine (1), and one end of the inductive sensor (21) is electrically connected to the PLC controller (7).