Sealing mechanism of packaging machine

Abstract

The utility model relates to the technical field of packaging machine sealing, in particular to a sealing mechanism of a packaging machine, which comprises a base, a support plate is fixedly mounted at the top of the base, the support plate is in an inverted L shape, and two fixing plates are fixedly mounted at the bottom of the front end of the support plate. A first motor is started to drive one screw to rotate, the two screws rotate through a belt, the first motor is started to drive the two screws to rotate at the same time, the surfaces of the two screws are movably connected with moving plates in a threaded mode, and the screws rotate to drive the moving plates to be close to each other so as to clamp the top of a packaging bag. And meanwhile, a plurality of anti-skid pieces are fixedly installed on the surface of the moving plate, the clamping effect on the top of the packaging bag can be further improved, the packaging bag can be fixedly sealed through a first motor when being placed on the conveying belt, stability is achieved when the packaging bag is sealed, and practicability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of sealing of packaging machines, in particular to a sealing mechanism of a packaging machine. Background Art

[0002] Nowadays, packaging has become a part of the product. After the packaging bag is sealed, it not only has good sealing performance, but also has good water and air leakage prevention functions.

[0003] After searching, the publication number 202023123966.4 discloses a double-station packaging machine with a sealing mechanism, including a base, a conveying frame is fixedly installed on the upper end of the base, a first sealing and packaging mechanism is fixedly installed on one end of the conveying frame, and a second sealing and packaging mechanism is fixedly installed on the other end of the conveying frame, a fixed seat is fixedly installed on the lower end of the base, a telescopic groove is provided at the lower end of the fixed seat, a cylinder is fixedly installed on the upper outer surface of the fixed seat, and a support foot is fixedly connected to the output end of the cylinder at a position inside the telescopic groove, a bracket is fixedly installed on the lower outer surface of the fixed seat, a roller is movably installed on the lower end of the bracket, a mounting groove is provided at the lower end of the supporting foot, a foot pad is movably installed inside the mounting groove, and a connecting groove is provided on the upper outer surface of the foot pad. The utility model can facilitate the use of the packaging machine and improve the stability of the packaging machine during use, and is practical;

[0004] The sealing mechanism used in the current packaging machine has a poor clamping effect on the packaging bag when sealing the packaging bag, which causes the packaging bag to deform when filling and sealing, thereby detaching from the clamping mechanism, making it impossible to seal. Therefore, a device is designed to stably clamp and fix the sealing mechanism. Utility Model Content

[0005] The purpose of the utility model is to provide a sealing mechanism for a packaging machine to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] The cam is an angular channel that is fixedly connected to the top of the support plate, and the cam is connected to the top of the support plate to form a circle, and the cam is connected to the top of the support plate to form a circle.

[0008] Preferably, the movable mechanism includes a first sleeve and a second sleeve, which are fixedly mounted on the left and right screw surfaces respectively, a belt is provided between the first sleeve and the second sleeve, and a sealing machine is fixedly mounted between two horizontal movable plates located in front and behind the bottom of the support plate.

[0009] Preferably, a movable opening is provided on the surface of the base, and a conveying mechanism is provided inside the movable opening.

[0010] Preferably, the conveying mechanism includes a conveyor belt, a second motor is fixedly mounted on the left surface of the base, a driving shaft is fixedly connected to the output end of the second motor, the driving shaft is rotatably connected between the front and rear inner walls of the movable opening, the right end of the movable opening is rotatably connected to a movable shaft, and the conveyor belt is rotatably sleeved on the surface of the driving shaft and the movable shaft.

[0011] Preferably, a plurality of support shafts are rotatably connected between the front and rear inner walls of the movable opening, a weighing plate is fixedly installed between the front and rear inner walls of the movable opening, and the weighing plate is located between the support shafts.

[0012] Preferably, a feeding bucket is fixedly installed on the top of the support plate, a feeding pipe is fixedly installed on the bottom of the support plate, the feeding pipe is connected to the inside of the feeding bucket, a solenoid valve is fixedly installed inside the feeding bucket, and the feeding pipe is located directly above the weighing plate.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The sealing mechanism of the packaging machine is provided with a first motor. When the first motor is started, one of the screws is driven to rotate, and the two screws are rotated through a belt. Therefore, when the first motor is started, the two screws are driven to rotate at the same time. The surfaces of the two screws are threaded and movably connected with movable plates. When the screws rotate, the movable plates are driven closer to clamp the top of the packaging bag. At the same time, a plurality of anti-slip sheets are fixedly installed on the surface of the movable plate, which can further improve the clamping effect on the top of the packaging bag. When the packaging bag is placed on the conveyor belt, the first motor can be used to fix and seal it, thereby achieving stability when the packaging bag is sealed, and having strong practicality.

[0015] 2. The sealing mechanism of this packaging machine is provided with a conveyor belt. The staff starts the second motor, and the second motor starts to drive the conveyor belt to rotate. The rotation of the conveyor belt drives the packaging bag to move. When it moves to the middle of the sealing machine, the solenoid valve can be opened to pour the raw materials in the feeding bucket into the packaging bag. A weighing plate is provided inside the conveyor belt, and the weighing plate is located under the feeding pipe. Therefore, when the weight in the packaging bag reaches the requirement, the solenoid valve is closed, thereby realizing the precise feeding of the raw materials of the packaging bag, which is highly practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the activity mechanism of the utility model;

[0018] Figure 3 This is a schematic diagram of the internal structure of the movable opening of the utility model;

[0019] Figure 4 This is a schematic diagram of the internal structure of the feeding bucket of the utility model;

[0020] Figure 5 It is a schematic diagram of the overall structure of the utility model.

[0021] In the figure: 1. base; 2. support plate; 3. fixed plate; 4. screw; 5. support block; 6. movable plate; 7. anti-slip sheet; 8. first sleeve; 9. second sleeve; 10. belt; 11. sealing machine; 12. movable port; 13. conveyor belt; 14. second motor; 15. drive shaft; 16. movable shaft; 17. support shaft; 18. weighing plate; 19. feeding bucket; 20. feeding pipe; 21. solenoid valve; 22. first motor. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-Figure 5 As shown, a technical solution provided by the utility model:

[0024] A sealing mechanism of a packaging machine comprises a base 1, a support plate 2 is fixedly installed on the top of the base 1, the support plate 2 is in an inverted L shape, two fixed plates 3 are fixedly installed on the bottom of the front end of the support plate 2, a screw 4 with threads at both ends in opposite directions is arranged between the two fixed plates 3 and the support plate 2, two support blocks 5 are fixedly installed on the bottom of the front end of the support plate 2, the support blocks 5 are respectively located in the middle of the fixed plate 3 and the support plate 2, the left end bearing of the screw 4 is movably connected to the right side surface of the support plate 2, the right end of the screw 4 penetrates the surface of the support block 5 and extends to the left side of the fixed plate 3, the right end bearing of the screw 4 is movably connected to the right side of the fixed plate 3, both ends of the surface of the screw 4 are threadedly movably connected with a movable plate 6, and the surface of the side where the two movable plates 6 are close to each other is fixedly installed It is equipped with multiple anti-skid sheets 7 at equal distances, and a first motor 22 is fixedly installed on the left surface of the support plate 2. The output end of the first motor 22 is fixedly connected to the left end of one of the screws 4, and the left ends of the two screws 4 are provided with movable mechanisms, specifically: the staff starts the first motor 22, and the first motor 22 starts to drive the screw 4 to rotate, and the two screws 4 rotate through the belt 10, so the first motor 22 starts to drive the two screws 4 to rotate at the same time, and the surfaces of the two screws 4 are both threadedly connected with a movable plate 6, and the rotation of the screw 4 drives the movable plate 6 to approach so as to clamp the top of the packaging bag, and at the same time, multiple anti-skid sheets 7 are fixedly installed on the surface of the movable plate 6, which can further improve the clamping effect on the top of the packaging bag.

[0025] The movable mechanism includes a first sleeve 8 and a second sleeve 9, which are respectively fixedly mounted on the surfaces of the left and right screws 4. A belt 10 is provided between the first sleeve 8 and the second sleeve 9. A sealing machine 11 is fixedly mounted between the two horizontal movable plates 6 at the front and rear of the bottom of the support plate 2. Specifically, when the movable plate 6 clamps the packaging bag, the sealing machine 11 is then started to seal the packaging bag.

[0026] A movable opening 12 is provided on the surface of the base 1 , and a transmission mechanism is provided inside the movable opening 12 .

[0027] The conveying mechanism includes a conveyor belt 13, and a second motor 14 is fixedly installed on the left surface of the base 1. The output end of the second motor 14 is fixedly connected to a driving shaft 15, and the driving shaft 15 is rotatably connected between the front and rear inner walls of the movable opening 12. The right end of the movable opening 12 is rotatably connected to a movable shaft 16, and the conveyor belt 13 is rotatably sleeved on the surface of the driving shaft 15 and the movable shaft 16. Specifically: the second motor 14 is started to drive the driving shaft 15 to rotate, and the conveyor belt 13 is rotatably sleeved between the driving shaft 15 and the movable shaft 16, so the second motor 14 is started to drive the conveyor belt 13 to rotate, thereby facilitating the mobile packaging of the packaging bags on the assembly line.

[0028] A plurality of support shafts 17 are rotatably connected between the inner walls on the front and rear sides of the movable opening 12, and a weighing plate 18 is fixedly installed between the inner walls on the front and rear sides of the movable opening 12. The weighing plate 18 is located between the support shafts 17. When the weighing plate 18 is moved to the middle of the sealing machine 11, the solenoid valve 21 can be opened to pour the raw materials in the feeding bucket 19 into the packaging bag. A weighing plate 18 is provided inside the conveyor belt 13, and the weighing plate 18 is located just below the feeding pipe 20. Therefore, when the weight in the packaging bag reaches the requirement, the solenoid valve 21 is closed.

[0029] A feeding bucket 19 is fixedly installed on the top of the support plate 2, and a feeding pipe 20 is fixedly installed on the bottom of the support plate 2. The feeding pipe 20 is connected to the inside of the feeding bucket 19, and a solenoid valve 21 is fixedly installed inside the feeding bucket 19. The feeding pipe 20 is located directly above the weighing plate 18.

[0030] When the sealing machine 11 of a packaging machine of the present embodiment is in use, the staff puts the packaging bag on the conveyor belt 13. When the packaging bag reaches the bottom of the feeding tube 20, the solenoid valve 21 can be opened to pour the raw materials in the feeding bucket 19 into the packaging bag. A weighing plate 18 is provided inside the conveyor belt 13, and the weighing plate 18 is located just below the feeding tube 20. Therefore, when the weight in the packaging bag reaches the required weight, the solenoid valve 21 is closed, and the first motor 22 is started at this time. The first motor 22 starts to drive one of the screw rods 4 to rotate, and the two screw rods 4 rotate through the belt 10. Therefore, the first motor starts to drive the two screw rods 4 to rotate at the same time, and the surfaces of the two screw rods 4 are both threaded and movably connected with the moving plate 6. The rotation of the screw 4 drives the moving plate 6 to approach so as to clamp the top of the packaging bag. At the same time, a plurality of anti-slip sheets 7 are fixedly installed on the surface of the moving plate 6. After the moving plate 6 clamps the packaging bag, the sealing machine 11 is then started to seal the packaging machine to complete the operation.

[0031] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A sealing mechanism for a packaging machine, comprising a base (1), characterized in that: A support plate (2) is fixedly mounted on the top of the base (1), and the support plate (2) is in an inverted L shape. Two fixing plates (3) are fixedly mounted on the bottom of the front end of the support plate (2). A screw (4) with threads at both ends in opposite directions is provided between the two fixing plates (3) and the support plate (2). Two support blocks (5) are fixedly mounted on the bottom of the front end of the support plate (2), and the support blocks (5) are respectively located in the middle of the fixing plate (3) and the support plate (2). The left end bearing of the screw (4) is movably connected to the right surface of the support plate (2). The screw (4) ) The right end of the screw rod (4) passes through the surface of the support block (5) and extends to the left side of the fixed plate (3); the right end bearing of the screw rod (4) is movably connected to the right side of the fixed plate (3); both ends of the surface of the screw rod (4) are movably connected to the movable plate (6) by threads; a plurality of equidistant anti-slip sheets (7) are fixedly installed on the surface of the side where the two movable plates (6) are close to each other; a first motor (22) is fixedly installed on the left side surface of the support plate (2); the output end of the first motor (22) is fixedly connected to the left end of one of the screw rods (4); and the left ends of the two screw rods (4) are provided with movable mechanisms.

2. A sealing mechanism (11) for a packaging machine according to claim 1, characterized in that: The movable mechanism comprises a first shaft sleeve (8) and a second shaft sleeve (9), wherein the first shaft sleeve (8) and the second shaft sleeve (9) are respectively fixedly mounted on the surfaces of the left and right screw rods (4), a belt (10) is arranged between the first shaft sleeve (8) and the second shaft sleeve (9), and a sealing machine (11) is fixedly mounted between two horizontal movable plates (6) at the front and rear of the bottom of the support plate (2).

3. A sealing mechanism (11) for a packaging machine according to claim 1, characterized in that: A movable opening (12) is provided on the surface of the base (1), and a transmission mechanism is provided inside the movable opening (12).

4. A sealing mechanism (11) for a packaging machine according to claim 3, characterized in that: The conveying mechanism comprises a conveying belt (13), a second motor (14) is fixedly mounted on the left surface of the base (1), an output end of the second motor (14) is fixedly connected to a driving shaft (15), the driving shaft (15) is rotatably connected between the front and rear inner walls of the movable opening (12), a movable shaft (16) is rotatably connected to the right end of the movable opening (12), and the conveying belt (13) is rotatably sleeved on the surfaces of the driving shaft (15) and the movable shaft (16).

5. A sealing mechanism (11) for a packaging machine according to claim 4, characterized in that: A plurality of support shafts (17) are rotatably connected between the front and rear inner walls of the movable opening (12), and a weighing plate (18) is fixedly installed between the front and rear inner walls of the movable opening (12), and the weighing plate (18) is located between the support shafts (17).

6. A sealing mechanism (11) for a packaging machine according to claim 1, characterized in that: A feeding bucket (19) is fixedly mounted on the top of the support plate (2), a feeding pipe (20) is fixedly mounted on the bottom of the support plate (2), the feeding pipe (20) is connected to the inside of the feeding bucket (19), a solenoid valve (21) is fixedly mounted inside the feeding bucket (19), and the feeding pipe (20) is located directly above the weighing plate (18).

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