Composite film packaging bag sealing and cutting device

Abstract

The utility model discloses a sealing and cutting device for a composite film packaging bag. The sealing and cutting device comprises a base, a movable frame and a sealing and cutting seat, sleeves are symmetrically and fixedly welded to the two sides of the top of the base, the bottoms of the two sides of the movable frame are movably inserted into the sleeves, electric push rods vertically and fixedly penetrate through the two sides of the top of the movable frame, the sealing and cutting base is fixedly installed at the bottoms of the two electric push rods, and supports are fixedly welded to the two sides of the front end and the two sides of the rear end of the sealing and cutting base correspondingly; pressing pipes are fixedly installed at the bottoms of the movable rods, springs are arranged below the supports and located on the movable rods in a sleeving mode, and a plurality of air nozzles are symmetrically installed on the sides, close to each other, of the two pressing pipes. The corresponding height of the sealing and cutting device can be conveniently adjusted according to the height of a composite film packaging bag production line, so that the applicability of the sealing and cutting device is greatly improved, the packaging bag can be positioned and prevented from deviating during sealing and cutting, the sealing and cutting quality is ensured, dust removal, flattening and cooling can be carried out by blowing air during sealing and cutting, and the functionality is higher.

Description

TECHNICAL FIELD

[0001] The utility model relates to composite film packaging bag production technical field especially relates to a kind of composite film packaging bag seal cutting device. BACKGROUND

[0002] With the development of modern industry and commerce, composite film packaging bag is widely used in food, medicine, chemical industry and many other fields due to its good barrier property, moisture resistance, strength and other advantages. In the packaging process of products, efficient and accurate sealing and cutting of composite film packaging bag is a key step to ensure product packaging quality.

[0003] However, the traditional composite film packaging bag sealing and cutting device lacks precise and convenient control means in height adjustment, making it difficult to achieve accurate height position when matching different specifications of production line, which can easily lead to uneven pressure or deviation in sealing position.

[0004] Secondly, the existing sealing and cutting device is not perfect in fixing and flattening the packaging bag during the sealing and cutting process. Many devices only rely on simple pressing plates or rollers for local fixation at the sealing position. When the packaging bag surface is uneven or affected by external force during the sealing process, displacement, wrinkles and other situations may occur, which seriously affect the sealing quality.

[0005] In addition, the traditional sealing and cutting equipment usually does not have the function of cleaning and cooling the surface of the packaging bag. In actual production, dust, debris and other impurities may be adsorbed on the surface of the composite film packaging bag. These impurities may be trapped in the sealing position during sealing, resulting in loose and not tight sealing, and even may scratch the packaging material. The sealing position cannot be quickly cooled after sealing, and the sealing position in high temperature state often has sticking situation.

[0006] Therefore, how to provide a composite film packaging bag sealing and cutting device is a problem that needs to be solved by those skilled in the art. INVENTION CONTENTS

[0007] One purpose of the utility model is to provide a composite film packaging bag sealing and cutting device. The utility model can conveniently adjust the corresponding height of the sealing and cutting device according to the height of the composite film packaging bag production line, greatly improve its applicability, and can position the packaging bag during sealing to prevent deviation and ensure sealing quality. Dust removal, flattening and cooling can be performed by blowing during sealing, which is more functional.

[0008] According to the composite film packaging bag sealing and cutting device of the utility model embodiment, the sealing and cutting device comprises a base, a movable frame and a sealing and cutting seat.

[0009] The sleeve is symmetrically fixed and welded on both sides of the top of the base, the movable frame is movably inserted into the sleeve at the bottom of both sides, the electric push rod is vertically fixed and penetrates through both sides of the top of the movable frame, the sealing and cutting seat is fixedly installed at the bottom of the two groups of electric push rods, the support is fixedly welded on both sides of the front end and the rear end of the sealing and cutting seat, the movable rod is movably and longitudinally penetrated in the support, the pressure pipe is fixedly installed at the bottom of the movable rod, the spring is arranged on the movable rod below the support, a plurality of groups of air nozzles are symmetrically installed on one side of the two groups of pressure pipes, the fan is fixedly installed on one side of the outer wall of the movable frame, the three-way hose is installed on the output end of the fan, and the two groups of output ends of the three-way hose are communicated with the two groups of pressure pipes respectively. By adjusting the movable frame up and down, the packaging bag production line of different heights can be adapted, the adaptability is improved, the pressure pipe is configured, the packaging bag can be positioned during sealing and cutting, the sealing and cutting quality is ensured, the fan and the air nozzle can blow air to the packaging bag during sealing and cutting to complete the dust removal, leveling and cooling operations, and the production quality and efficiency are effectively improved.

[0010] Further, the sleeve is penetrated and provided with a perforation outside, the movable block is fixedly installed on the bottom of the outer wall of both sides of the movable frame, the movable block is movably installed in the perforation, the servo motor is fixedly installed below the movable block and on both sides of the top of the base, the output shaft of the servo motor is drivingly installed with a lead screw on the top, the screw hole is vertically and penetratively provided in the movable block, and the lead screw penetrates through the screw hole. The servo motor can drive the lead screw to rotate in the screw hole, so that the up and down movement of the movable block in the perforation can be realized, and the height adjustment of the movable frame can be realized at the moment.

[0011] Further, the number of air nozzles is multiple groups, the multiple groups of air nozzles are uniformly distributed on the inner side of the pressure pipe, and the multiple groups of air nozzles are obliquely installed. The inclined air nozzle can accurately blow air to the packaging bag to realize the dust removal, leveling and heat dissipation functions.

[0012] Further, the electric heat sealing cutter is fixedly installed on the bottom of the sealing and cutting seat, and the heating resistor is arranged in the electric heat sealing cutter. The heating resistor generates heat when powered on, so that the sealing and cutting operation is realized by high temperature.

[0013] Further, the sealing and cutting table is fixedly welded on the inner wall of the movable frame below in a transverse manner, and the sealing and cutting table is arranged below the two groups of pressure pipes. The sealing and cutting table can ensure that the packaging bag can be smoothly laid and sealed and cut, and prevent wrinkles from affecting the sealing and cutting quality.

[0014] Further, the circular limiting block is fixedly welded on the top of the movable rod, and the diameter of the circular limiting block is greater than the diameter of the movable rod. The circular limiting block can prevent the movable rod from falling off in the support, and ensure the stability.

[0015] Further, the upper and lower ends of the spring are fixedly welded with the bottom of the support and the top of the pressing pipe respectively, and the stretching force of the spring acts on the pressing pipe after being compressed.

[0016] Further, the fan frame is fixedly welded with the side wall of the movable frame and located at the side of the fan, the fan is fixedly installed in the fan frame, and the fan is installed on the side wall of the movable frame through the fan frame.

[0017] The utility model discloses the beneficial effect is:

[0018] 1. The utility model discloses a cooperation of servo motor, screw rod and movable block can accurately adjust the height of movable frame, and the screw rod transmission has the characteristics of high accuracy and controllability, and the movable block moves along the screw rod, drives movable frame to stably lift in the sleeve, this makes the device can adapt to the composite film packaging bag production line of different height, makes its different height production line all can be adjusted to the best sealing cutting height position, improves the versatility and practicality of device, reduces the trouble of needing to replace equipment or carrying out complex adjustment because of production line difference.

[0019] 2. The utility model discloses a spring makes the pressing pipe closely fit packaging bag, plays the role of fixing and flattening to packaging bag in the sealing cutting process, prevents its packaging bag movement or wrinkle through positioning, effectively improves the stability of sealing cutting, reduces the rate of defective, and can move up and down with sealing cutting seat, can carry out the positioning operation of packaging bag in linkage when sealing cutting.

[0020] 3. The utility model discloses the airflow that air cock blows out can remove the dust and impurity on the surface of packaging bag, ensures the cleanness of sealing cutting part, simultaneously makes packaging bag more closely fit sealing cutting table, is favorable to the accurate sealing cutting of electric heating sealing cutter, and can realize the cooling of sealing cutting part after sealing cutting, prevents the sticking of multiple packaging bags when stacking under high temperature. DRAWINGS

[0021] The drawings are used to provide further understanding of the utility model and constitute part of the specification, are used to explain the utility model together with the embodiments of the utility model, and do not constitute the limitation to the utility model.

[0022] Figure 1 It is the overall structure schematic view of a composite film packaging bag sealing cutting device proposed in the utility model;

[0023] Figure 2 It is the bottom structure schematic view of a composite film packaging bag sealing cutting device proposed in the utility model;

[0024] Figure 3The utility model provides a kind of composite film packaging bag sealing cutting device's structure schematic diagram of pipe and movable rod of pressing.

[0025] Figure 4 The utility model provides a kind of composite film packaging bag sealing cutting device's movable frame structure schematic diagram.

[0026] In the drawing: 1, base; 2, sleeve; 3, movable frame; 4, electric push rod; 5, sealing cutting seat; 6, support; 7, movable rod; 8, pressing pipe; 9, spring; 10, three-way hose; 11, fan frame; 12, fan; 13, perforation; 14, servo motor; 15, screw rod; 16, movable block; 17, electric heat sealing cutter; 18, air cock; 19, screw hole; 20, sealing cutting table. DETAILED DESCRIPTION

[0027] The utility model will be further explained in detail in connection with the drawings. These drawings are all simplified schematic diagrams, just with schematic way to show the basic structure of the utility model, so it just shows the structure related to the utility model.

[0028] Reference Figure 1 And Figure 4 A kind of composite film packaging bag sealing cutting device, including base 1, movable frame 3 and sealing cutting seat 5;

[0029] Sleeve 2 is fixedly welded on the top of base 1 symmetrically on both sides, movable frame 3 is movably inserted into sleeve 2 on the bottom of both sides, perforation 13 is provided through on the outside of sleeve 2, movable block 16 is fixedly installed on the bottom of the outer wall of both sides of movable frame 3, movable block 16 is movably installed in perforation 13, servo motor 14 is fixedly installed below movable block 16 and on the top of both sides of base 1;

[0030] Among them, the output shaft of servo motor 14 top is drivenly installed with screw rod 15, screw hole 19 is vertically provided through in movable block 16, screw rod 15 is penetrated in screw hole 19;

[0031] In this embodiment, when servo motor 14 works, its output shaft drives screw rod 15 to rotate, since screw rod 15 penetrates the screw hole of movable block, and movable block 16 is limitingly movable with sleeve 2 through perforation 13, when screw rod 15 rotates, movable block 16 will move up and down along screw rod 15, movable block 16 is fixedly connected with movable frame 3, to drive movable frame 3 to move up and down in sleeve 2, to realize the accurate adjustment of the height of movable frame 2. This adjustment mode can adjust the height position of sealing cutting seat and relevant components according to different composite film packaging bag production lines, to better carry out sealing cutting operation, improve adaptability.

[0032] Reference Figures 1-2 Movable rod 7 is movably arranged in the bottom of sealing cutting seat 5, and movable rod 7 is movably arranged in the bottom of sealing cutting seat 5.

[0033] The bottom of the sealing and cutting seat 5 is centrally and transversely fixedly installed with an electric heating sealing and cutting device 17, and the electric heating sealing and cutting device 17 is internally provided with a heating resistor;

[0034] Secondly, the sealing and cutting table 20 is transversely and fixedly welded on the inner wall of the movable frame 3 and is arranged below the two groups of pipe pressing devices 8;

[0035] In this embodiment, the electric push rod 4 can push the sealing and cutting seat 5 to move up and down. When sealing and cutting work is needed, the electric push rod 4 is elongated to drive the sealing and cutting seat 5 to approach the sealing and cutting table 20. The electric heating sealing and cutting device 17 at the bottom of the sealing and cutting seat 5 is heated after being powered on, and the heating resistor generates heat to heat the electric heating sealing and cutting device 17. With the descent of the sealing and cutting seat 5, the electric heating sealing and cutting device 17 contacts the composite film packaging bag placed on the sealing and cutting table 20, and the packaging bag is sealed and cut by high temperature. The sealing and cutting table 20 provides a stable support plane for the sealing and cutting operation, ensuring that the packaging bag does not shift or deform during the sealing and cutting process, and ensuring the sealing and cutting quality.

[0036] Referring to Figures 1-2 The front end and the rear end of the sealing and cutting seat 5 are fixedly and welded with the support 6, the movable rod 7 is longitudinally movably penetrated in the support 6, the pipe pressing device 8 is fixedly installed at the bottom of the movable rod 7, and the spring 9 is arranged on the movable rod 7 below the support 6;

[0037] The top of the movable rod 7 is fixedly and welded with the circular limiting block 21, and the diameter of the circular limiting block 21 is greater than the diameter of the movable rod 7;

[0038] Secondly, the upper end and the lower end of the spring 9 are fixedly welded with the bottom of the support 6 and the top of the pipe pressing device 8 respectively, and the spring 9 is stretched after being compressed to act on the pipe pressing device 8;

[0039] In this embodiment, the movable rod 7 is movable in the support 6, and the spring 9 sleeved on the movable rod 7 provides continuous pressure for the pipe pressing device 8. When the sealing and cutting seat 5 descends, the pipe pressing device 8 first contacts the packaging bag, and under the action of the spring 9, the pipe pressing device 8 is tightly attached to the surface of the packaging bag, thereby realizing the positioning work of the packaging bag and ensuring the stability of the sealing and cutting work to prevent the sealing and cutting from deviating or tilting and other problems. The circular limiting block 21 prevents the movable rod from being separated from the support 6, thereby ensuring the stability of the work of the pipe pressing device 8.

[0040] Referring to Figure 1 and Figure 3 A plurality of groups of air nozzles 18 are symmetrically installed on the side close to each other of the two groups of pipe pressing devices 8, the fan 12 is fixedly installed on one side of the outer wall of the movable frame 3, the three-way hose 10 is installed at the output end of the fan 12, and the two groups of outputs of the three-way hose 10 are respectively communicated with the two groups of pipe pressing devices 8;

[0041] Specifically, the fan frame 11 is fixedly welded to the side wall of the movable frame 3 at the side of the fan 12, and the fan 12 is fixedly installed in the fan frame 11 and is installed on the side wall of the movable frame 3 through the fan frame 11;

[0042] The plurality of groups of air nozzles 18 are evenly distributed on the inner side of the pressing pipe 8 and are obliquely installed.

[0043] In this real-time mode, the air nozzles 18 are installed on the inner side of the pressing pipe 8, the fan 12 generates airflow, the airflow is delivered into the pressing pipe 8 through the three-way hose 10, and then is blown to the sealing and cutting part of the packaging bag from the air nozzles 18. The plurality of groups of air nozzles are evenly distributed and obliquely installed, can blow the surface of the packaging bag before sealing and cutting to remove dust and other impurities, the airflow blown by the oblique air nozzles can make the packaging bag more flatly adhere to the sealing and cutting table, is beneficial to the subsequent sealing and cutting operation, improves the precision and quality of sealing and cutting, and can quickly cool down after the sealing and cutting is completed.

[0044] Working principle: first, according to the height of composite film packaging bag production line, start servo motor 14, the output shaft of servo motor 14 drives the rotation of lead screw 15, since the lead screw 15 penetrates the screw hole 19 of the movable block 16, and the movable block 16 is limited to move through the perforation 13 and the sleeve 2, when the lead screw 15 rotates, the movable block 16 will move up and down along the lead screw 15, the movable block 16 is fixedly connected with the movable frame 3, and then the movable frame 3 is moved up and down in the sleeve 2, the movable frame 3 is adjusted to the appropriate height, so that the sealing and cutting seat 5 and the related parts are in the position suitable for sealing and cutting the packaging bag, then the composite film packaging bag can be conveyed to the sealing and cutting table 20 through the conveying belt, at this time, the sealing and cutting table 20 provides a stable support plane for the packaging bag, then the electric push rod 4 starts to start and push the sealing and cutting seat 5 to move downward, the pressure pipe 8 at the bottom of the movable rod 7 in the support 6 at the front end and the rear end of the sealing and cutting seat 5 first contacts the packaging bag, under the action of the spring 9, the pressure pipe 8 is closely attached to the surface of the packaging bag, and the packaging bag is fixed and further flattened, the circular limiting block 21 at the top of the movable rod 7 prevents the movable rod 7 from being separated from the support 6, and the stability of the pressure pipe 8 is ensured, with the continuous descent of the sealing and cutting seat 5, the electric heat sealing cutter 17 fixedly installed at the bottom of the sealing and cutting seat 5 contacts the packaging bag, the heating resistance in the electric heat sealing cutter 17 is electrified and heated, reaches the appropriate temperature, and performs heat sealing and cutting operation on the packaging bag, and the packaging bag is sealed and cut according to the requirements, and in the process, the fan 12 is started synchronously, air flow is generated, the air flow is conveyed to the two groups of pressure pipes 8 through the three-way hose 10, and the plurality of air nozzles 18 installed on the pressure pipes 8 start to work, since the air nozzles 18 are uniformly distributed on the inner side of the pressure pipe 8 and are installed obliquely, the surface of the packaging bag can be blown during sealing and cutting, and the inclined angle helps the air flow to cover a wider area, effectively removes the dust and impurities on the surface of the packaging bag, at the same time, the blown air flow makes the packaging bag more flatly attached to the sealing and cutting table 20, creates good conditions for subsequent sealing and cutting operation, and realizes rapid cooling of the sealing and cutting part of the packaging bag after sealing and cutting.

[0045] It can be understood that the driving modes of the electric push rod, the servo motor, the fan and the electric heat sealing cutter in the utility model can be driven in the mode of external power cord, the electric push rod, the servo motor, the fan and the electric heat sealing cutter can be programmed and controlled by the main control system, and the control principle is realized by the existing control technology. The models of the electric push rod, the servo motor, the fan and the electric heat sealing cutter are not limited to a single type and can be the existing types suitable for the utility model in the market.

[0046] The above is only the preferred specific implementation manner of the utility model, but the protection scope of the utility model is not limited to this, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. A sealing and cutting device for composite film packaging bags, characterized in that, It include base (1), movable frame (3) and seal cutting seat (5); The sleeve (2) is fixedly welded on the both sides of the top of the base (1), the movable frame (3) is movably inserted into the sleeve (2) on the both sides of the bottom, the electric push rod (4) is vertically fixedly penetrated through the both sides of the top of the movable frame (3), the seal cutting seat (5) is fixedly installed on the bottom of the two groups of electric push rods (4), the support (6) is fixedly welded on the both sides of the front end and the rear end of the seal cutting seat (5), the movable rod (7) is movably penetrated into the support (6) in the longitudinal direction, the pressure pipe (8) is fixedly installed on the bottom of the movable rod (7), the spring (9) is sleeved on the movable rod (7) below the support (6), a plurality of groups of air nozzles (18) are symmetrically installed on the side close to each other of the two groups of pressure pipes (8), the fan (12) is fixedly installed on the outer wall of one side of the movable frame (3), the three-way hose (10) is installed on the output end of the fan (12), and the two groups of output ends of the three-way hose (10) are communicated with the two groups of pressure pipes (8) respectively.

2. The composite film packaging bag sealing and cutting device according to claim 1, characterized in that, The sleeve (2) is fixedly welded on the both sides of the top of the base (1), the movable frame (3) is movably inserted into the sleeve (2) on the both sides of the bottom, the electric push rod (4) is vertically fixedly penetrated through the both sides of the top of the movable frame (3), the seal cutting seat (5) is fixedly installed on the bottom of the two groups of electric push rods (4), the support (6) is fixedly welded on the both sides of the front end and the rear end of the seal cutting seat (5), the movable rod (7) is movably penetrated into the support (6) in the longitudinal direction, the pressure pipe (8) is fixedly installed on the bottom of the movable rod (7), the spring (9) is sleeved on the movable rod (7) below the support (6), a plurality of groups of air nozzles (18) are symmetrically installed on the side close to each other of the two groups of pressure pipes (8), the fan (12) is fixedly installed on the outer wall of one side of the movable frame (3), the three-way hose (10) is installed on the output end of the fan (12), and the two groups of output ends of the three-way hose (10) are communicated with the two groups of pressure pipes (8) respectively.

3. The composite film packaging bag sealing and cutting device according to claim 1, characterized in that, The number of the air nozzles (18) is multiple groups, the multiple groups of air nozzles (18) are evenly distributed on the inner side of the pressure pipe (8), and the multiple groups of air nozzles (18) are installed in an inclined manner.

4. The composite film packaging bag sealing and cutting device according to claim 1, characterized in that, The electric heating cutter (17) is fixedly installed on the bottom of the seal cutting seat (5), and the electric heating cutter (17) is provided with a heating resistor in the inside.

5. The composite film packaging bag sealing and cutting device according to claim 1, characterized in that, The seal cutting table (20) is fixedly welded on the inner wall of the movable frame (3) below in a transverse direction, and the seal cutting table (20) is arranged below the two groups of pressure pipes (8).

6. The composite film packaging bag sealing and cutting apparatus according to claim 1, wherein The circular limiting block (21) is fixedly welded on the top of the movable rod (7), and the diameter of the circular limiting block (21) is greater than the diameter of the movable rod (7).

7. The composite film packaging bag sealing and cutting device according to claim 1, characterized in that, The upper end and the lower end of the spring (9) are fixedly welded with the bottom of the support (6) and the top of the pressure pipe (8) respectively, and the spring (9) is stretched on the pressure pipe (8) after being compressed.

8. The composite film packaging bag sealing and cutting device according to claim 1, characterized in that, The fan frame (11) is fixedly welded on the side wall of the movable frame (3) on the side of the fan (12), the fan (12) is fixedly installed in the fan frame (11), and the fan (12) is installed on the side wall of the movable frame (3) through the fan frame (11).

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