Bubble film deviation rectifying device of bubble film bag making machine

Abstract

The invention discloses an air bubble film deviation rectifying device of an air bubble film bag making machine, and belongs to the technical field of deviation rectifying devices.The air bubble film deviation rectifying device of the air bubble film bag making machine comprises a supporting frame, and a plurality of sensors arranged in a rectangular shape are installed on the two sides of the top of the supporting frame; a control module for receiving signals transmitted by the sensor is installed on the side, away from the sensor, of the supporting frame, an unwinding wheel is installed on one side of the supporting frame, an air bubble film roll for unwinding is placed on the unwinding wheel, and a tension buffering mechanism is arranged at the end, away from the unwinding wheel, of the air bubble film roll in a penetrating mode and used for conducting tension control over the air bubble film roll in the deviation rectifying process. By adopting the tension buffering mechanism and the shaking deviation rectifying mechanism, the air bubble film can be quickly and effectively recovered to a correct track from a deviation state, so that the deviation rectifying efficiency is improved, the pause time in the production process is shortened, meanwhile, the situation that the surface of the film is not uniform can be reduced, and the product quality is further improved.

Description

Technical Field

[0001] The invention belongs to the technical field of deviation correction devices, and in particular relates to a bubble film deviation correction device of a bubble film bag making machine. Background Art

[0002] As a packaging material with cushioning, heat insulation, and shockproof properties, bubble film is widely used in the packaging of electronic products, home appliances, furniture, glass products and other commodities. With the rapid development of the e-commerce industry, the demand for product packaging is increasing, especially the demand for bubble film. Therefore, bubble film bag making machine has become an important production equipment. However, bubble film is prone to deviation or unevenness during the production process, which makes it impossible for the bubble film to pass through the working area of ​​the bag making machine stably. The deviation correction device can effectively adjust the direction of the film so that the film always remains in the correct position, avoiding production stagnation or reduced efficiency due to deviation.

[0003] When a bubble film deviation correction device is used to correct the bubble film, a traditional deviation correction roller is often used to correct the deviation by adjusting the angle or position of the roller. The outer wall of the existing deviation correction roller is often set to a smooth surface. Since different bubble films have different thicknesses, widths or materials, the material and surface characteristics of the bubble film will lead to insufficient friction between the smooth roller wall and the film, thereby affecting the deviation correction effect. In addition, due to the height difference of bubbles on the surface of the bubble film, some areas of the film will be subjected to greater tension or pressure, while other areas will be subjected to less tension, resulting in uneven local tension. This tension difference will cause the film to become unstable during transmission, such as shrinkage, deformation or fluctuation. In the case of uneven tension, some parts of the bubble film will be over-stretched, while other parts will not be subjected to sufficient tension. This uneven stretching may cause cracks, wrinkles, folds or uneven stretching on the film surface, affecting the overall quality of the film. Summary of the invention

[0004] The technical problem to be solved by the present invention is to overcome the disadvantages of the prior art and provide a bubble film deviation correcting device for a bubble film bag making machine.

[0005] The technical solution adopted to solve the above technical problems is: a bubble film deviation correction device of a bubble film bag making machine, comprising a support frame, a plurality of sensors arranged in a rectangular shape are installed on both sides of the top of the support frame, and a control module for receiving signals transmitted by the sensors is installed on the side of the support frame away from the sensors, a reel is installed on one side of the support frame, and a bubble film roll to be unwound is placed on the reel, and a tension buffer mechanism is passed through the end of the bubble film roll away from the reel, which is used to control the tension of the bubble film roll during the deviation correction process; The tension buffer mechanism includes two fixed plates arranged opposite to each other, a fixed rod is fixedly connected at the center between the two fixed plates, a fixed gear is rotatably connected to the fixed plate away from the fixed rod, the fixed gear is transmission-connected to three main gears rotatably connected to the fixed plate, and the three main gears are symmetrically distributed on the circumference, and a shaking correction mechanism is fixedly connected to the fixed gear away from the fixed plate on the side for shaking and correcting the bubble film roll; The jitter correction mechanism includes a sliding frame fixedly connected to a fixed gear, the top of the sliding frame is rotatably connected to a connecting rod, the bottom end of the connecting rod is installed with a double-axis motor, the output end of the double-axis motor is fixedly connected to a cam for correcting the bubble film roll, the double-axis motor is fixedly connected to buffer springs on both sides away from the cam, the buffer spring is rotatably connected to the sliding frame at one end away from the double-axis motor, and the connection direction of the buffer spring and the sliding frame is consistent with the connection direction of the connecting rod and the sliding frame.

[0006] Through the above technical solution, during the transportation of the bubble film, due to the surface characteristics of the film or external factors, jamming or accumulation between the film layers may occur. Linear jitter can effectively avoid overlapping or jamming of the film by generating periodic vibrations, thereby ensuring smooth transportation of the bubble film and reducing downtime in production.

[0007] Furthermore, a driving motor is installed on one side of the sliding frame, and the output end of the driving motor is rotatably connected with the sliding frame and the fixed gear, the through end of the driving motor is fixedly connected to the fixed plate, the main gear is transmission-connected to the side away from the fixed gear with a sub-gear rotatably connected to the fixed plate, the connecting shaft fixedly connected to the sub-gear is rotatably connected to the fixed plate, and the connecting shaft of the sub-gear is fixedly connected to a connecting plate, and the connecting plate between the two fixed plates is provided with a correction roller for Z-shaped transmission of the bubble film roll at one end away from the sub-gear, which is used to adjust and adapt the specific film material thickness and characteristics of the bubble film roll.

[0008] Through the above technical solution, by generating jitter of a certain frequency and amplitude, the bubble film can be effectively adjusted to the correct alignment position. Especially when the bubble film has a slight offset, the jitter can help the film material return to the ideal position, thereby reducing the deviation of the film surface and ensuring the symmetry and uniformity of the film.

[0009] Furthermore, notches are provided on both sides of the middle part of the support frame, and a limit strip welded and fixed to the support frame is arranged inside the notch. A limit spring is arranged inside the notch, and one end of the limit spring is fixedly connected to the support frame, and the other end is fixedly connected to the sliding frame. Slide grooves are provided on both sides of the bottom of the sliding frame, and the sliding frame is slidably connected to the support frame through the slide grooves, and the limit strip is located in the slide groove to limit the sliding frame laterally.

[0010] Through the above technical solution, the tension fluctuation of the bubble film can be effectively balanced. When there is momentary tension unevenness or fluctuation during the transmission of the bubble film, the tension buffer mechanism can temporarily store and adjust the length of the bubble film, thereby smoothing the tension change, reducing the impact on the film surface and equipment, and ensuring that the film surface is more uniform and stable.

[0011] Furthermore, the deviation-correcting roller includes a roller body with a hollow interior, and a convex strip is welded on one side of the interior of the roller body, a plurality of placement grooves are opened on the outer wall of the roller body, and both ends of the placement grooves are connected to the interior of the roller body, a metal strip fixedly connected to the roller body is arranged inside the placement groove, the middle part of the metal strip is fixedly connected to the roller body by bolts, and both ends of the metal strip are located at the connection point between the placement groove and the roller body, and at the same time, the two ends of the metal strip located at the connection point between the placement groove and the roller body are slidably connected to the roller body, and the metal strip is made of elastic metal material.

[0012] Through the above technical solutions, the membrane material can be effectively aligned and fixed, reducing the downtime caused by adjustment and correction, thereby improving the overall production efficiency.

[0013] Furthermore, a sliding rod and a wedge block are provided inside the roller body, one end of the sliding rod is provided with an external thread, and a conical block is welded and fixed to the other end of the sliding rod, both ends of the wedge block are open and the interior is a hollow structure, an internal thread is provided inside the wedge block, the sliding rod and the wedge block are threadedly connected by the external thread and the internal thread, the outer wall of the connecting end of the wedge block and the sliding rod is provided with a conical structure, and the conical end of the wedge block and the conical block are mirror-imaged and have the same size.

[0014] Through the above technical solution, increasing the contact area between the correction roller and the bubble film helps to maintain the integrity of the film material during the entire correction process, reduce defects and errors, and thus improve the overall quality of the product.

[0015] Furthermore, the outer walls of the conical ends of the conical block and the wedge block are respectively slidably connected to the two ends of the placement groove located inside the roller body, and a limiting groove is provided on the outer wall of the wedge block. The wedge block is slidably connected to the roller body through the limiting groove, and the convex strip is located in the limiting groove. The convex strip limits the wedge block. The conical block is fixedly connected to a limiting rod on the side away from the sliding rod. The limiting rod is slidably connected with a knob, and the limiting rod longitudinally limits the knob. The knob is rotatably connected to the roller body.

[0016] Through the above technical solution, the contact area is increased, the force on the membrane material can be effectively dispersed, the risk of damage or deformation of the membrane material caused by local stress concentration is reduced, and the service life of the membrane material is extended.

[0017] Furthermore, the knob is rotatably connected to the connecting plate on one side away from the roller body, the limiting rod passes through the connecting plate at one end away from the knob without intersecting with the connecting plate, the roller body is rotatably connected to the connecting plate at one end away from the limiting groove, the bubble film roll is Z-shapedly arranged between the three roller bodies and the fixed rod, and the bubble film roll is provided with a limiting wheel installed on the support frame at one end away from the three roller bodies.

[0018] Through the above technical solution, a larger contact area means that the friction between the correction roller and the bubble film increases, which helps to firmly grasp the film material, reduce sliding and deviation, and improve stability.

[0019] The beneficial effects of the present invention are as follows: (1) The present invention adopts a shaking correction mechanism. The operation of the dual-axis motor drives the cam to rotate, thereby generating centrifugal force, causing the dual-axis motor and its connecting rod to swing. At the same time, the buffer springs on both sides of the dual-axis motor expand and contract to different degrees, causing the sliding frame and its internal integral components to perform linear reciprocating sliding in the vertical direction within the slot. At the same time, the limit spring can buffer the sliding frame. During the movement of the sliding frame, the bubble film shakes to adjust the shape of the bubble film, help relax and disperse local tension, so that it can be more evenly distributed on the guide device, thereby making the film run more stable; (2) The present invention adopts a tension buffer mechanism. The drive motor runs to drive the fixed plate to rotate, so that the main gear moves along the circumference of the fixed gear and rotates at the same time, and drives the auxiliary gear during the rotation process. The gears rotate, causing the connecting plates to rotate synchronously, thereby causing several deviation-correcting rollers to shrink or expand inward at the same time, thereby changing the length of the bubble film in the tension buffer mechanism, thereby changing the tension of the film material before the bubble film enters the bag-making machine, and adjusting the tension of the film material during the production process to keep it stable; (3) The present invention drives the limit rod to rotate by turning the knob, so that the sliding rod and the wedge block are threadedly connected and move in opposite directions, so that the conical block and the conical ends of the wedge block lift up the two ends of the placement groove, thereby changing the static friction coefficient of the outer wall of the roller body, providing a more uniform force distribution, thereby improving the positioning and alignment effect of the bubble film, ensuring the straightness of the film material during the production process, and at the same time, the contact area can be quickly and conveniently adjusted according to different film material specifications, thereby improving work efficiency and adaptability of the production line. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the structure of the present invention from a first viewing angle; Figure 2 is a schematic diagram of the structure of the present invention from a second viewing angle; Figure 3 It is a third perspective structural schematic diagram of the present invention; Figure 4 is a schematic diagram of the structure from a fourth viewing angle of the present invention; Figure 5It is a schematic diagram of the series structure of the bubble film roll and the limiting wheel of the present invention; Figure 6 It is a schematic diagram of the structure of the connection between the fixed gear and the fixed plate of the present invention; Figure 7 It is a schematic diagram of the structure of the bubble film penetration inside the fixed gear of the present invention; Figure 8 yes Figure 5 A schematic diagram of the enlarged structure at point A; Fig. 9 It is a schematic diagram of the metal strip expansion structure of the outer wall of the deviation correction roller of the present invention; Fig.10 yes Fig. 9 First-person exploded view; Fig.11 yes Fig. 9 Second perspective exploded view.

[0021] 1. support frame; 2. unwinding wheel; 3. limiting wheel; 4. control module; 5. sensor; 6. bubble film roll; 7. limiting spring; 8. limiting strip; 9. notch; 10. jitter correction mechanism; 11. sliding frame; 12. slide groove; 13. connecting rod; 14. dual-axis motor; 15. cam; 16. buffer spring; 17. tension buffer mechanism; 18. drive motor; 19. fixed gear; 20. fixed plate; 21. main gear; 22. auxiliary gear; 23. connecting plate; 24. main gear; 25. auxiliary gear; 26. connecting plate; 27. fixed rod; 28. correction roller; 29. ​​roller body; 30. placement groove; 31. metal strip; 32. knob; 33. convex strip; 34. slide rod; 35. conical block; 36. external thread line; 37. wedge block; 38. limiting groove; 39. internal thread line; 40. limiting rod. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0023] like Figure 1-Figure 3 As shown, a bubble film deviation correction device of a bubble film bag making machine of the present embodiment includes a support frame 11, a plurality of sensors 15 arranged in a rectangular shape are installed on both sides of the top of the support frame 11, and a control module 14 that receives the signal transmitted by the sensor 15 is installed on the side of the support frame 11 away from the sensor 15, a reeling wheel 12 is installed on one side of the support frame 11, and a bubble film roll 16 for unwinding is placed on the reeling wheel 12, and a tension buffer mechanism 3 is passed through the end of the bubble film roll 16 away from the reeling wheel 12, which is used to control the tension of the bubble film roll 16 during the deviation correction process.

[0024] like Figure 4 As shown, the dithering correction mechanism 2 includes a sliding frame 21 fixedly connected to the fixed gear 32, notches 19 are provided on both sides of the middle of the support frame 11, and a limit strip 18 welded and fixed to the support frame 11 is arranged inside the notch 19, and a limit spring 17 is arranged inside the notch 19, one end of the limit spring 17 is fixedly connected to the support frame 11, and the other end is fixedly connected to the sliding frame 21. During the transportation of the bubble film, due to the surface characteristics of the film or external factors, the film layers may be stuck or piled up. The linear dithering can effectively avoid the overlap or sticking of the film by generating periodic vibration, thereby ensuring the smooth transmission of the bubble film and reducing the downtime in production. Slide grooves 22 are provided on both sides of the bottom of the sliding frame 21, and the sliding frame 21 is slidably connected to the support frame 11 through the slide grooves 22, and the limit strip 18 is provided inside the notch 19. The sliding frame 21 is laterally limited in the slide groove 22, and the top of the sliding frame 21 is rotatably connected to a connecting rod 23, and a dual-axis motor 24 is installed at the bottom of the connecting rod 23. The output end of the dual-axis motor 24 is fixedly connected to a cam 25 for correcting the deviation of the bubble film roll 16, and the dual-axis motor 24 is fixedly connected to buffer springs 26 on both sides away from the cam 25. By generating a jitter of a certain frequency and amplitude, the bubble film can be effectively adjusted to the correct alignment position, especially when the bubble film has a slight deviation, the jitter can help the film material return to the ideal position, thereby reducing the deviation of the film surface and ensuring the symmetry and uniformity of the film. The buffer spring 26 is rotatably connected to the sliding frame 21 at one end away from the dual-axis motor 24, and the connection direction of the buffer spring 26 to the sliding frame 21 is consistent with the connection direction of the connecting rod 23 and the sliding frame 21.

[0025] like Figure 2-Figure 9As shown, the tension buffer mechanism 3 includes two fixed plates 33 arranged opposite to each other, a fixed rod 37 is fixedly connected at the center between the two fixed plates 33, and a fixed gear 32 is rotatably connected to the fixed plate 33 away from the fixed rod 37. The fixed gear 32 is transmission-connected to three main gears 34 rotatably connected to the fixed plate 33, and the three main gears 34 are symmetrically distributed on the circumference, which can effectively balance the tension fluctuation of the bubble film. When the instantaneous tension is uneven or fluctuates during the transmission of the bubble film, the tension buffer mechanism 3 can temporarily store and adjust the length of the bubble film, thereby smoothing the tension change, reducing the impact on the film surface and the equipment, and ensuring that the film surface is more uniform and stable. A driving motor 31 is installed on one side of the sliding frame 21, and the output end of the driving motor 31 is rotatably connected to the sliding frame 21 and the fixed gear 32, and the through end of the driving motor 31 is connected to the fixed plate 3 3 is fixedly connected, the main gear 34 is transmission-connected with a sub-gear 35 rotatably connected to the fixed plate 33 on one side away from the fixed gear 32, the connecting shaft fixedly connected to the sub-gear 35 penetrates and rotatably connects with the fixed plate 33, and the connecting shaft of the sub-gear 35 penetrates and is fixedly connected with a connecting plate 36, so as to ensure that the film material is effectively aligned and fixed, reduce the downtime caused by adjustment and correction, and thus improve the overall production efficiency, the connecting plate 36 between the two fixed plates 33 is installed with a correction roller 4 for the bubble film roll 16 to pass through in a Z shape on the end away from the sub-gear 35, the correction roller 4 includes a roller body 41 with a hollow interior, and a convex strip 45 is welded on one side of the interior of the roller body 41, a plurality of placement grooves 42 are opened on the outer wall of the roller body 41, and the two ends of the placement groove 42 are connected with the interior of the roller body 41, and a metal strip 43 fixedly connected to the roller body 41 is arranged inside the placement groove 42.

[0026] like Figure 2-Figure 10As shown, a slide bar 46 and a wedge block 49 are arranged inside the roller body 41, an external thread line 48 is arranged at one end of the slide bar 46, and a conical block 47 is welded and fixed at the other end of the slide bar 46, the outer walls of the conical ends of the conical block 47 and the wedge block 49 are respectively slidably connected with the two ends of the placement groove 42 located inside the roller body 41, and a limiting groove 410 is arranged on the outer wall of the wedge block 49, the wedge block 49 is slidably connected with the roller body 41 through the limiting groove 410, and the convex strip 45 is located in the limiting groove 410, and the convex strip 45 limits the wedge block 49, and the conical block 47 is fixedly connected with the limiting rod 412 on the side away from the slide bar 46, and the limiting rod 412 penetrates and is slidably connected with the knob 44, and the knob 44 is connected with the connecting plate 3 on the side away from the roller body 41 6 is rotatably connected, the end of the limiting rod 412 away from the knob 44 passes through the connecting plate 36 without intersecting, increasing the contact area between the deviation correction roller 4 and the bubble film is helpful to maintain the integrity of the film material in the entire deviation correction process, reduce defects and errors, and thus improve the overall quality of the product, the end of the roller body 41 away from the limiting groove 410 is rotatably connected to the connecting plate 36, the bubble film roll 16 is Z-shapedly penetrated among the three roller bodies 41 and the fixing rod 37, and the end of the bubble film roll 16 away from the three roller bodies 41 is penetrated by a limiting wheel 13 installed on the support frame 11, and the limiting rod 412 longitudinally limits the knob 44, the knob 44 is rotatably connected to the roller body 41, and the two ends of the wedge block 49 are in an open state and the interior is a hollow structure.

[0027] like Figure 1-Figure 11 As shown, the wedge block 49 is provided with an internal thread line 411, the slide rod 46 and the wedge block 49 are threadedly connected by the external thread line 48 and the internal thread line 411, the outer wall of the connection end of the wedge block 49 and the slide rod 46 is set in a conical structure, and the conical end of the wedge block 49 and the conical block 47 are mirror-imaged and have the same size, the middle part of the metal strip 43 is fixedly connected to the roller body 41 by bolts, the contact area is increased, the force of the film material can be effectively dispersed, the risk of damage or deformation of the film material caused by local stress concentration is reduced, and the service life of the film material is extended, and the two ends of the metal strip 43 are located at the release The groove 42 and the roller body 41 are connected, and both ends of the metal strip 43 located at the connection between the groove 42 and the roller body 41 are slidably connected to the roller body 41. The larger contact area means that the friction between the correction roller 4 and the bubble film is increased, which helps to firmly grasp the film material, reduce sliding and deviation, and improve stability. The metal strip 43 is made of elastic metal material and is used to adjust and adapt the specific film material thickness and characteristics of the bubble film roll 16. The fixed gear 32 is fixedly connected to the side away from the fixed plate 33 with a dithering correction mechanism 2 for performing dithering correction on the bubble film roll 16.

[0028] The working principle of this embodiment is as follows: first, the bubble film roll 16 is placed on the unwinding wheel 12, and then one end of the unwinding wheel 12 passes through the sensor 15, forming a Z-shaped winding and penetration between the roller body 41 and the fixed rod 37 in the tension buffer mechanism 3, and then passes through the sensor 15 again, and then one end of the bubble film roll 16 passes through the bottom of the limiting wheel 13 and is connected to the bubble film bag making machine.

[0029] When the bubble film bag making machine is running to make bags, the bubble film roll 16 is pulled and the unwinding wheel 12 is rotated to move into the bag making machine, thereby realizing the unwinding process of the bubble film roll 16. During the unwinding process, the sensor 15 monitors the unwinding status of the bubble film in real time.

[0030] When the irregularities on the surface of the bubble film (such as the height difference of the bubbles) cause uneven local tension during the unwinding process of the bubble film, the sensor 15 detects it and transmits a signal to the control module 14, so that the control module 14 drives the dual-axis motor 24 in the shaking correction mechanism 2 to drive the cam 25 to rotate, thereby generating centrifugal force, causing the dual-axis motor 24 and its connecting rod 23 to swing, and at the same time, the buffer springs 26 on both sides of the dual-axis motor 24 are extended and retracted to different degrees, causing the sliding frame 21 and its internal integral components to perform linear reciprocating sliding in the vertical direction in the slot 19. At the same time, the limit spring 17 can buffer the sliding frame 21. During the movement of the sliding frame 21, the bubble film shakes to help relax and disperse these local tensions, avoid excessive stretching or stress in certain parts of the film, and thus prevent the film from being skewed or damaged.

[0031] At the same time, the driving motor 31 drives the fixed plate 33 to rotate, so that the main gear 34 moves along the circumference of the fixed gear 32 and rotates at the same time. In the process of rotation, the sub-gear 35 is driven to rotate, so that the connecting plate 36 rotates synchronously, so that several deviation correction rollers 4 can shrink or expand inward at the same time, thereby changing the length of the bubble film in the tension buffer mechanism 3, and then changing the tension of the film material before the bubble film enters the bag making machine, so as to avoid deformation, breakage or other quality problems of the film material caused by excessive or insufficient tension.

[0032] Moreover, when faced with bubble films of different materials and thicknesses, the staff can turn the knob 44 in advance to drive the limit rod 412 to rotate, so that the slide rod 46 and the wedge block 49 are threadedly connected and move toward each other, so that the conical blocks 47 and the conical ends of the wedge blocks 49 lift up the two ends of the placement groove 42, thereby changing the friction coefficient of the outer wall of the roller body 41, which helps to firmly grasp the film material, reduce sliding and deviation, and improve stability.

[0033] The above description is only a preferred embodiment of the present invention and is not intended to limit the protection scope of the present invention.

Claims

1. A bubble film deviation correction device for a bubble film bag making machine, comprising a support frame (11), a plurality of sensors (15) arranged in a rectangular shape are installed on both sides of the top of the support frame (11), and a control module (14) receiving a signal transmitted by the sensor (15) is installed on the side of the support frame (11) away from the sensor (15), a reeling wheel (12) is installed on one side of the support frame (11), and a bubble film roll (16) to be reeled is placed on the reeling wheel (12), characterized in that: A tension buffer mechanism (3) is provided on one end of the bubble film roll (16) away from the unwinding wheel (12), and is used to control the tension of the bubble film roll (16) during the deviation correction process; The tension buffer mechanism (3) comprises two fixed plates (33) arranged opposite to each other, a fixed rod (37) is fixedly connected at the center between the two fixed plates (33), a fixed gear (32) is rotatably connected to the side of the fixed plate (33) away from the fixed rod (37), the fixed gear (32) is transmission-connected to three main gears (34) rotatably connected to the fixed plates (33), and the three main gears (34) are arranged symmetrically on the circumference, and a shaking correction mechanism (2) is fixedly connected to the side of the fixed gear (32) away from the fixed plate (33) for performing shaking correction on the bubble film roll (16); The jitter correction mechanism (2) comprises a sliding frame (21) fixedly connected to a fixed gear (32); a connecting rod (23) is rotatably connected to the top of the sliding frame (21); a double-axis motor (24) is installed at the bottom of the connecting rod (23); a cam (25) for correcting the deviation of the bubble film roll (16) is fixedly connected to the output end of the double-axis motor (24); buffer springs (26) are fixedly connected to both sides of the double-axis motor (24) away from the cam (25); one end of the buffer spring (26) away from the double-axis motor (24) is rotatably connected to the sliding frame (21); and the connection direction of the buffer spring (26) and the sliding frame (21) is consistent with the connection direction of the connecting rod (23) and the sliding frame (21).

2. The bubble film deviation correcting device of the bubble film bag making machine according to claim 1, characterized in that: A driving motor (31) is installed on one side of the sliding frame (21), and the output end of the driving motor (31) is rotatably connected to the sliding frame (21) and the fixed gear (32). The through end of the driving motor (31) is fixedly connected to the fixed plate (33). The main gear (34) is drivingly connected to a side away from the fixed gear (32) with a sub-gear (35) rotatably connected to the fixed plate (33). The connecting shaft fixedly connected to the sub-gear (35) is rotatably connected to the fixed plate (33), and the connecting shaft of the sub-gear (35) is fixedly connected to a connecting plate (36). The connecting plate (36) between the two fixed plates (33) is installed at one end away from the sub-gear (35) with a correction roller (4) for Z-shaped penetration of the bubble film roll (16) for adjusting and adapting the specific film material thickness and characteristics of the bubble film roll (16).

3. The bubble film deviation correcting device of the bubble film bag making machine according to claim 1, characterized in that: Notches (19) are provided on both sides of the middle of the support frame (11), and a limit strip (18) is provided inside the notch (19) and is welded and fixed to the support frame (11). A limit spring (17) is provided inside the notch (19), and one end of the limit spring (17) is fixedly connected to the support frame (11), and the other end is fixedly connected to the sliding frame (21). Slide grooves (22) are provided on both sides of the bottom of the sliding frame (21), and the sliding frame (21) is slidably connected to the support frame (11) through the slide grooves (22), and the limit strip (18) is located in the slide grooves (22) to limit the sliding frame (21) laterally.

4. The bubble film deviation correcting device of the bubble film bag making machine according to claim 2, characterized in that: The deviation correction roller (4) comprises a roller body (41) which is hollow inside, and a convex strip (45) is welded on one side of the inside of the roller body (41). The outer wall of the roller body (41) is provided with a plurality of placement grooves (42), and the two ends of the placement grooves (42) are connected to the inside of the roller body (41). A metal strip (43) fixedly connected to the roller body (41) is arranged inside the placement groove (42). The middle of the metal strip (43) is fixedly connected to the roller body (41) by bolts, and the two ends of the metal strip (43) are located at the connection point between the placement groove (42) and the roller body (41). At the same time, the two ends of the metal strip (43) located at the connection point between the placement groove (42) and the roller body (41) are slidably connected to the roller body (41), and the metal strip (43) is made of elastic metal material.

5. The bubble film deviation correcting device of the bubble film bag making machine according to claim 4, characterized in that: A slide rod (46) and a wedge block (49) are arranged inside the roller body (41); an external thread (48) is arranged at one end of the slide rod (46), and a conical block (47) is welded and fixed to the other end of the slide rod (46); both ends of the wedge block (49) are open and the interior is a hollow structure; an internal thread (411) is arranged inside the wedge block (49); the slide rod (46) and the wedge block (49) are threadedly connected via the external thread (48) and the internal thread (411); the outer wall of the connecting end of the wedge block (49) and the slide rod (46) is arranged in a conical structure, and the conical end of the wedge block (49) and the conical block (47) are arranged in the same size as a mirror image.

6. The bubble film deviation correcting device of the bubble film bag making machine according to claim 5, characterized in that: The outer walls of the conical ends of the conical block (47) and the wedge block (49) are slidably connected to the two ends of the placement groove (42) located inside the roller body (41), respectively; a limiting groove (410) is provided on the outer wall of the wedge block (49); the wedge block (49) is slidably connected to the roller body (41) through the limiting groove (410); the convex strip (45) is located in the limiting groove (410); the convex strip (45) limits the wedge block (49); a limiting rod (412) is fixedly connected to the side of the conical block (47) away from the sliding rod (46); the limiting rod (412) penetrates and is slidably connected to a knob (44); the limiting rod (412) limits the knob (44) in the longitudinal direction; the knob (44) is rotatably connected to the roller body (41).

7. The bubble film deviation correcting device of the bubble film bag making machine according to claim 6, characterized in that: The knob (44) is rotatably connected to the connecting plate (36) at one side away from the roller body (41); the limiting rod (412) passes through the connecting plate (36) at one end away from the knob (44) without intersecting; the roller body (41) is rotatably connected to the connecting plate (36) at one end away from the limiting groove (410); the bubble film roll (16) is inserted into the three roller bodies (41) and the fixing rod (37) in a Z shape; and the bubble film roll (16) is inserted into one end away from the three roller bodies (41) with a limiting wheel (13) mounted on the support frame (11).

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