Automatic unwinding device for bag making machine with cleaning component

Abstract

The present invention relates to the technical field of plastic bag production equipment, and in particular to an automatic unwinding device for a bag making machine with a cleaning component. It includes a bottom plate, a support frame I, a servo motor I, a rotating frame, etc., two support frames I are installed on the bottom plate, the servo motor I is installed on one side of the support frame I, and the rotating frame is rotatably arranged between the two support frames I. The present invention can complete the loading of a whole roll of consumables on the expansion shaft through the cooperation of an expansion shaft and a limiting mechanism, and then the contaminants on the surface of the consumables can be cleaned by a cleaning mechanism, thereby cleaning the surface of the consumables, and then preventing the contaminants on the surface of the consumables from affecting the finished product. Afterwards, the servo motor I, the rotating frame, the distance sensor I, the distance sensor II, the control box, the unwinding mechanism, the connecting mechanism and the buffer mechanism cooperate to realize the automatic completion of the material replacement of the consumables without stopping the machine, which is not only simple to operate, but also time-saving and labor-saving, and can also improve production efficiency.

Description

Technical Field

[0001] The invention relates to the technical field of plastic bag production equipment, and in particular to an automatic unwinding device of a bag making machine with a cleaning component. Background Art

[0002] In modern industrial production, the use of automated equipment has greatly improved production efficiency and product quality, especially in the packaging industry; bag making machines, as key equipment in packaging machinery, are responsible for processing plastic film, paper or other packaging materials into various bags, which are widely used in food, medicine, chemical industry, daily necessities and other fields; and the unwinding device in the bag making machine is used to load and unwind consumables, such as a whole roll of plastic film, paper or other packaging materials. When the bag making machine is working, the whole roll of consumables is unwound through the unwinding device, so that the whole roll of consumables can be gradually processed into bags.

[0003] However, the unwinding device of a traditional bag-making machine is usually relatively simple, and mainly realizes the continuous supply of the roll material through mechanical transmission; when the unwinding device of a traditional bag-making machine is in use, when the consumables are used up, the bag-making machine needs to be stopped manually, and then the expansion shaft on the unwinding device is removed, and then the used empty roll on the expansion shaft is taken out, and then the new consumable is put on the expansion shaft, and the expansion shaft is put back on the unwinding device, and then the head end of the new consumable is connected with the tail end of the previous roll of consumables, so that the consumables can be replaced; however, since most of the replacement operations of the above-mentioned consumables are performed manually and the bag-making machine needs to be stopped, it is not only troublesome to operate, time-consuming and labor-intensive, but also easy to affect production efficiency; and when the unwinding device of the traditional bag-making machine is in use, since the surface of the consumables is not cleaned, pollutants such as dust accumulated on the surface of the consumables and electrostatically adsorbed particles are easy to affect the quality of the finished product, especially for food and medical packaging, which requires strict pollution control. Summary of the invention

[0004] In view of this, the present invention provides an automatic unwinding device for a bag making machine with a cleaning component, which can solve the problem that when the unwinding device of a traditional bag making machine is in use, the consumables need to be replaced manually after the bag making machine is stopped, which not only causes troublesome operation, time-consuming and labor-intensive, but also affects production efficiency. In addition, pollutants such as dust accumulated on the surface of the consumables and particles adsorbed by static electricity can easily affect the quality of the finished product.

[0005] The present invention adopts the following technical scheme: an automatic unwinding device for a bag making machine with a cleaning component, comprising a base plate, a support frame I, a servo motor I, a rotating frame, an expansion shaft, a support frame II, a connecting frame, a distance sensor I, a distance sensor II, a control box, a limiting mechanism, an unwinding mechanism, a connecting mechanism, a buffer mechanism and a cleaning mechanism, two support frames I are both installed on the base plate, the servo motor I is installed on one side of the support frame I, the rotating frame is rotatably arranged between the two support frames I, two expansion shafts are arranged on the rotating frame, the support frame II is installed on the base plate, the connecting frame is connected to the support frame II, the distance sensor I, the distance sensor II and the control box are all installed on the connecting frame, the distance sensor I and the distance sensor II are both electrically connected to the control box, the limiting mechanism is used to limit the expansion shaft on the rotating frame, the unwinding mechanism is used to drive the expansion shaft on the rotating frame to rotate, the connecting mechanism is used to dock the consumables, the buffer mechanism is used to buffer the consumables, and the cleaning mechanism is used to clean the surface of the consumables.

[0006] As a further preferred solution, the limiting mechanism includes a limiting block and a cylinder I. The limiting block is symmetrically rotatably arranged on the rotating frame. The limiting block is used to limit the expansion axis on the rotating frame. The cylinder I is symmetrically rotatably arranged on the rotating frame. The telescopic rod of the cylinder I is rotatably connected to the limiting block.

[0007] As a further preferred embodiment, the unwinding mechanism includes gear I, a reduction motor I and gear II, gear I is connected to the end of the expansion shaft, reduction motor I is installed on one side of the support frame I, gear II is connected to the output shaft of reduction motor I, and gear II is meshed with gear I on one of the expansion shafts.

[0008] As a further preferred scheme, the connection mechanism includes a sliding frame I, an electric push rod I, a connecting block, a hot melt device I, an electric push rod II, a movable frame and a hot melt device II. The sliding frame I is slidably arranged on the support frame II. The electric push rod I is symmetrically arranged on the sliding frame I. The connecting block is connected between the telescopic rods of the electric push rod I. The hot melt device I is installed on the connecting block. The electric push rod II is installed on the sliding frame I. The movable frame is slidably arranged on the sliding frame I. The telescopic rod of the electric push rod II is connected to the movable frame. The hot melt device II is installed on the movable frame. The hot melt device I and the hot melt device II are both used for hot melting of consumables. A groove is provided on the hot melt device II.

[0009] As a further preferred scheme, the connecting mechanism also includes an electric slide rail I, an air pump I and an air pipe I. The electric slide rail I is symmetrically arranged on the support frame II. The slider of the electric slide rail I is connected to the sliding frame I. The air pump I is installed on the sliding frame I. One end of the air pipe I is connected to the air inlet of the air pump I, and the other end of the air pipe I is connected to the hot melter II, and the other end of the air pipe I is connected to the groove.

[0010] As a further preferred embodiment, the buffer mechanism includes an electric slide rail II, a sliding frame II, a roller I and a roller II. The electric slide rail II is symmetrically arranged on the support frame II, and the sliding frame II is symmetrically slidably arranged on the support frame II. The slider of the electric slide rail II is connected to the sliding frame II, the roller I is rotatably installed between the sliding frames II, and the roller II is rotatably installed on the support frame II.

[0011] As a further preferred embodiment, the cleaning mechanism includes an ion fan, an electrostatic precipitator, a connecting pipe, a connecting frame, a top plate frame, a cylinder II and a rotating drum. The ion fan and the electrostatic precipitator are both installed on the base plate. One end of the connecting pipe is connected to the air outlet of the ion fan. The connecting frame is connected between the other end of the connecting pipe and the air inlet of the electrostatic precipitator. The top plate frame is slidably arranged on the connecting frame. The top plate frame is in contact with the connecting frame. Cylinder II is installed on the connecting frame, and the telescopic rod of cylinder II is connected to the top plate frame. The connecting frame and the top plate frame are symmetrically rotatably provided with rotating drums.

[0012] As a further preferred scheme, it also includes an inflation mechanism, which includes a fixed frame, an air pump II, an electric push rod III, an air nozzle and an air pipe II. The fixed frame is installed on one side of the support frame I, the air pump II and the electric push rod III are both installed on the fixed frame, the air nozzle is connected to the telescopic rod of the electric push rod III, the air nozzle is used to connect with the inflation port of the expansion shaft, and the two ends of the air pipe II are respectively connected to the air nozzle and the air outlet of the air pump II.

[0013] The beneficial effects of the present invention are as follows: 1. The present invention can load a whole roll of consumables onto the expansion shaft through the cooperation of the expansion shaft and the limiting mechanism, and then the pollutants on the surface of the consumables can be cleaned through the cleaning mechanism, thereby cleaning the surface of the consumables and preventing the pollutants on the surface of the consumables from affecting the finished product. Afterwards, the servo motor I, the rotating frame, the distance sensor I, the distance sensor II, the control box, the unwinding mechanism, the connecting mechanism and the buffer mechanism can cooperate to realize the automatic replacement of consumables without stopping the machine, which is not only simple to operate, but also saves time and effort and can improve production efficiency.

[0014] 2. The present invention provides an inflation mechanism, which can drive the air nozzle to move and dock with the inflation port of the expansion shaft through an electric push rod, and then use the air pump II to fill the air into the expansion shaft through the air pipe II and the air nozzle, so that the operator can inflate the expansion shaft conveniently, thereby facilitating the operator's use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention.

[0016] Figure 2 It is a schematic diagram of the three-dimensional structure of the expansion shaft, support frame II and connecting frame of the present invention.

[0017] Figure 3It is a three-dimensional structural schematic diagram of the distance sensor I, the distance sensor II and the control box of the present invention.

[0018] Figure 4 It is a three-dimensional structural schematic diagram of the limiting mechanism and the unwinding mechanism of the present invention.

[0019] Figure 5 It is a schematic diagram of the three-dimensional structure of the unwinding mechanism of the present invention.

[0020] Figure 6 It is a three-dimensional structural schematic diagram of the connection mechanism of the present invention.

[0021] Figure 7 It is a three-dimensional structural schematic diagram of the movable frame, the heat fuser II and the air pump I of the present invention.

[0022] Figure 8 It is a schematic diagram of the three-dimensional structure of the hot melt device II, the groove and the air pipe I of the present invention.

[0023] Fig. 9 It is a three-dimensional structural schematic diagram of the buffer mechanism of the present invention.

[0024] Fig.10 It is a three-dimensional structural schematic diagram of the cleaning mechanism of the present invention.

[0025] Fig.11 This is a structural separation diagram of the connection frame, top plate frame and cylinder II of the present invention.

[0026] Fig.12 It is a schematic diagram of the three-dimensional structure of the base plate, expansion shaft and fixing frame of the present invention.

[0027] Fig.13 It is a schematic diagram of the three-dimensional structure of the inflation mechanism of the present invention.

[0028] Parts names and serial numbers in the figure: 1. Bottom plate, 2. Support frame Ⅰ, 3. Servo motor Ⅰ, 4. Rotating frame, 5. Expansion shaft, 6. Support frame Ⅱ, 7. Connecting frame, 8. Distance sensor Ⅰ, 9. Distance sensor Ⅱ, 10. Control box, 11. Limit block, 12. Cylinder Ⅰ, 13. Gear Ⅰ, 14. Reducer motor Ⅰ, 15. Gear Ⅱ, 16. Sliding frame Ⅰ, 17. Electric push rod Ⅰ, 18. Connecting block, 19. Heat fuser Ⅰ, 20. Electric push rod Ⅱ, 21 , movable frame, 22, hot melt device II, 221, groove, 23, electric slide rail I, 24, air pump I, 25, air pipe I, 26, electric slide rail II, 27, sliding frame II, 28, roller I, 29, roller II, 30, ion fan, 31, electrostatic precipitator, 32, connecting pipe, 33, connecting frame, 34, top plate frame, 35, cylinder II, 36, rotating drum, 37, fixed frame, 38, air pump II, 39, electric push rod III, 40, air nozzle, 41, air pipe II. DETAILED DESCRIPTION

[0029] The technical solution of the present invention is further described below in conjunction with the accompanying drawings.

[0030] An automatic unwinding device for a bag making machine with a cleaning component, see Figure 1-Figure 11 As shown, it includes a base plate 1; it also includes a support frame Ⅰ2, a servo motor Ⅰ3, a rotating frame 4, an expansion shaft 5, a support frame Ⅱ6, a connecting frame 7, a distance sensor Ⅰ8, a distance sensor Ⅱ9, a control box 10, a limit mechanism, a reeling mechanism, a connecting mechanism, a buffer mechanism and a cleaning mechanism; two support frames Ⅰ2 are installed on the top left side of the base plate 1, and the two support frames Ⅰ2 are distributed front and back; the servo motor Ⅰ3 is installed on the upper rear side of the rear support frame Ⅰ2; the rotating frame 4 is rotatably arranged between the upper sides of the two support frames Ⅰ2; expansion shafts 5 are placed on the left and right sides of the rotating frame 4, and the number of expansion shafts 5 is two. By putting a whole roll of consumables on the expansion shaft 5, the consumables can be loaded; the support frame Ⅱ6 is installed on the top right side of the base plate 1; the connecting frame 7 is connected to the upper left side of the support frame Ⅱ6; the distance sensor Ⅰ8 is installed on the connecting frame The upper left side of the connecting frame 7; the distance sensor II 9 is installed on the top left side; the control box 10 is installed on the lower left side of the connecting frame 7, and the servo motor I3, the distance sensor I8 and the distance sensor II 9 are all electrically connected to the control box 10; the limiting mechanism is used to limit the expansion shaft 5 on the rotating frame 4 to prevent the expansion shaft 5 from detaching from the rotating frame 4; the unwinding mechanism is used to drive the expansion shaft 5 on the rotating frame 4 to rotate so that the expansion shaft 5 unwinds the consumables; the connecting mechanism is used to connect the head and tail ends of two rolls of consumables, so as to realize automatic continuous use of the consumables; the buffer mechanism is used to buffer the consumables in use, so that the tail end of the consumables in use has enough time to connect with the head end of the next roll of consumables; the cleaning mechanism is used to clean the surface of the consumables, so as to remove pollutants on the surface of the consumables.

[0031] See also Figure 4 As shown, the limiting mechanism includes a limiting block 11 and a cylinder Ⅰ12; four limiting blocks 11 are symmetrically arranged on the rotating frame 4 for rotation, the two limiting blocks 11 on the left are used to limit the expansion shaft 5 on the left side of the rotating frame 4, and the two limiting blocks 11 on the right are used to limit the expansion shaft 5 on the right side of the rotating frame 4; four cylinders Ⅰ12 are symmetrically arranged on the rotating frame 4 for rotation, and the telescopic rods of the four cylinders Ⅰ12 are respectively rotatably connected to the four limiting blocks 11.

[0032] See also Figure 4 and Figure 5As shown, the unwinding mechanism includes gear Ⅰ13, reduction motor Ⅰ14 and gear Ⅱ15; gear Ⅰ13 is connected to the front end of the expansion shaft 5; reduction motor Ⅰ14 is installed on the upper right side of the front support frame Ⅰ2, and reduction motor Ⅰ14 is electrically connected to the control box 10; gear Ⅱ15 is connected to the output shaft of reduction motor Ⅰ14, and gear Ⅱ15 is meshed with gear Ⅰ13 on the right expansion shaft 5.

[0033] See also Figure 6-Figure 8 As shown, the connection mechanism includes a sliding frame Ⅰ16, an electric push rod Ⅰ17, a connecting block 18, a hot melt device Ⅰ19, an electric push rod Ⅱ20, a movable frame 21, a hot melt device Ⅱ22, an electric slide rail Ⅰ23, an air pump Ⅰ24 and an air pipe Ⅰ25; the sliding frame Ⅰ16 is slidably arranged on the top of the support frame Ⅱ6; two electric push rods Ⅰ17 are symmetrically arranged on the left sides of the front and rear sides of the sliding frame Ⅰ16, and the electric push rod Ⅰ17 is electrically connected to the control box 10; a connecting block 18 is connected between the telescopic rods of the two electric push rods Ⅰ17, and the electric push rod Ⅰ17 is electrically connected to the control box 10; the hot melt device Ⅰ19 is installed on the top of the connecting block 18, and the hot melt device Ⅰ19 is electrically connected to the control box 10; the electric push rod Ⅱ20 is installed on the left side of the sliding frame Ⅰ16, and the electric push rod Ⅱ20 is electrically connected to the control box 10; the movable frame 21 is slidably arranged on the left side of the sliding frame Ⅰ16, The telescopic rod of the electric push rod Ⅱ20 is connected to the movable frame 21; the hot melter Ⅱ22 is installed at the bottom of the movable frame 21, and the hot melter Ⅱ22 is electrically connected to the control box 10. The hot melter Ⅱ22 is located directly above the hot melter Ⅰ19. The hot melter Ⅰ19 and the hot melter Ⅱ22 are both used for hot melting of consumables. A groove 221 is opened at the bottom of the hot melter Ⅱ22; the two electric slide rails Ⅰ23 are symmetrically arranged on the upper part of the front and rear sides of the support frame Ⅱ6, and the sliders of the two electric slide rails Ⅰ23 are connected to the sliding frame Ⅰ16, and the electric slide rails Ⅰ23 are electrically connected to the control box 10; the air pump Ⅰ24 is installed on the left side of the top of the sliding frame Ⅰ16, and the air pump Ⅰ24 is electrically connected to the control box 10; the upper end of the air pipe Ⅰ25 is connected to the air inlet of the air pump Ⅰ24, and the other end of the air pipe Ⅰ25 is connected to the hot melter Ⅱ22, and the other end of the air pipe Ⅰ25 is connected to the groove 221.

[0034] See also Fig. 9 As shown, the buffer mechanism includes an electric slide rail II 26, a sliding frame II 27, a roller I 28 and a roller II 29; four electric slide rails II 26 are symmetrically arranged on the support frame II 6, and the electric slide rail II 26 is electrically connected to the control box 10; two sliding frames II 27 are symmetrically slidably arranged on the lower side of the support frame II 6, and the sliders of the two front electric slide rails II 26 are connected to the front sliding frame II 27, and the sliders of the two rear electric slide rails II 26 are connected to the rear sliding frame II 27; three rollers I 28 are evenly spaced and rotatably arranged between the two sliding frames II 27; four rollers II 29 are evenly spaced and rotatably arranged on the upper side of the support frame II 6.

[0035] See also Fig.10 and Fig.11 As shown, the cleaning mechanism includes an ion fan 30, an electrostatic precipitator 31, a connecting pipe 32, a connecting frame 33, a top plate frame 34, a cylinder II 35 and a rotating drum 36; the ion fan 30 is installed in the middle of the top of the base plate 1; the electrostatic precipitator 31 is installed on the rear side of the top of the base plate 1; the lower end of the connecting pipe 32 is connected to the air outlet of the ion fan 30; the connecting frame 33 is connected between the upper end of the connecting pipe 32 and the air inlet of the electrostatic precipitator 31; the top plate frame 34 is slidably arranged on the connecting frame 7, and the top plate frame 34 is in contact with the connecting frame 33; the cylinder II 35 is installed on the connecting frame 7, and the telescopic rod of the cylinder II 35 is connected to the top plate frame 34; the connecting frame 33 is symmetrically rotatably provided with a rotating drum 36, and the top plate frame 34 is also symmetrically rotatably provided with a rotating drum 36.

[0036] When in use, the telescopic rod of the left cylinder Ⅰ12 is controlled to shorten, so that the telescopic rod of the left cylinder Ⅰ12 pulls the left limit block 11 to rotate, so that the left limit block 11 releases the limit on the left expansion shaft 5, and then the left expansion shaft 5 is removed from the rotating frame 4 (if the expansion shaft 5 is in an expanded state after removal, the expansion shaft 5 is deflated and contracted; if the expansion shaft 5 is in a contracted state after removal, no additional operation is required), and then the whole roll of consumables is put on the expansion shaft 5 (and The head end of the consumable is at the top of the whole roll of consumable), then put the expansion shaft 5 on the left back onto the rotating frame 4, and then inflate the expansion shaft 5, so that the expansion shaft 5 limits the whole roll of consumables, and then control the telescopic rod of the left cylinder Ⅰ12 to extend, so that the telescopic rod of the left cylinder Ⅰ12 pushes the left limit block 11 to reverse and reset, so that the left limit block 11 limits the left expansion shaft 5, so that the whole roll of consumables can be loaded on the left expansion shaft 5;

[0037] Then, the servo motor Ⅰ3 drives the rotating frame 4 to rotate 180 degrees, so that the expansion shafts 5 on the left and right sides are rotated to change positions (after the change, the whole roll of consumables is on the expansion shaft 5 on the right), and then the above-mentioned loading operation is repeated to complete the loading of the next roll of new consumables on the expansion shaft 5 on the left, and then the first end of the consumables on the right expansion shaft 5 is pulled through the hot melter Ⅰ19 (and the consumables pass directly above the distance sensor Ⅱ9), and then the top plate frame 34 is driven to move downward by the cylinder Ⅱ35, and then the first end of the consumables is pulled through the hot melter Ⅰ19 (and the consumables pass directly above the distance sensor Ⅱ9). The end of the consumable passes between the connecting frame 33 and the top plate frame 34, and then the front end of the consumable is pulled around the roller II 29 on the left, and then the front end of the consumable is pulled down to bypass the roller I 28 on the left, and then the front end of the consumable is pulled up to bypass the second roller II 29 from left to right, and then the operation is repeated until the front end of the consumable is S-shaped to bypass each roller II 29 and roller I 28, and finally the front end of the consumable is bypassed by the rightmost roller II 29 and pulled to the right to be fixed on the bag making machine, and then the top plate frame 34 is driven by the cylinder II 35 to move upward and reset, The top plate frame 34 limits the consumables in the connection frame 33, and the top plate frame 34 and the rotating drum 36 on the connection frame 33 are in contact with the consumables, so that the rotating drum 36 clamps the consumables, and the consumables are clamped by the rotating drum 36. When the consumables move, the consumables will use friction to drive the rotating drum 36 to rotate, thereby reducing the wear of the rotating drum 36 on the consumables, and then the gear II 15 is driven to rotate by the reduction motor I 14, so that the gear II 15 drives the gear I 13 and the expansion shaft 5 on the right to rotate, so as to unwind the consumables on the right expansion shaft 5. , and at the same time, the bag making machine is started to work, so that the bag making machine makes the consumables into bags, and at the same time, the air is introduced into the connecting pipe 32 and the connecting frame 33 through the ion fan 30, so that the air flows to the consumables passing through the connecting frame 33, so that the pollutants on the surface of the consumables are blown into the electrostatic precipitator 31, so as to clean the pollutants on the surface of the consumables, thereby cleaning the surface of the consumables, and using the electrostatic precipitator 31 to remove static electricity from the pollutants, which can prevent the pollutants from being discharged from the electrostatic precipitator 31 and adhering to the consumables again;

[0038] When the consumables on the right expansion shaft 5 are unrolled, the distance sensor Ⅱ9 will continue to sense the distance between it and the consumables, and the distance sensor Ⅰ8 will also continue to detect the distance between it and the consumables on the right expansion shaft 5, and as the consumables on the right expansion shaft 5 are unrolled, the distance sensor Ⅰ8 will detect that the distance between it and the consumables on the right expansion shaft 5 is gradually increasing. When the consumables on the right expansion shaft 5 are used up, an empty roll for winding the consumables will remain on the right expansion shaft 5. At the same time, the distance sensor Ⅰ8 will also detect that the distance between it and the empty roll on the right expansion shaft 5 is greater than the preset value. At this time, the distance sensor Ⅰ8 sends a signal. After receiving the signal, the control box 10 controls the reduction motor Ⅰ14 to stop driving the gear Ⅱ15 to rotate, so that the gear Ⅰ13 and the expansion shaft 5 on the right side stop rotating. At the same time, the control box 10 will control the electric slide rail Ⅰ23 to drive the sliding frame Ⅰ16, the movable frame 21 and the hot melter Ⅱ22 to move to the left. The control box 10 controls the electric push rod Ⅱ20 to drive the movable frame 21 and the hot melt device Ⅱ22 to move downward, so that the hot melt device Ⅱ22 is attached to the head end of the consumable on the left expansion shaft 5. Then the control box 10 controls the air pump Ⅰ24 to extract the air in the groove 221 through the air pipe Ⅰ25, so that a negative pressure is formed in the groove 221, so that the head end of the consumable on the left expansion shaft 5 is adsorbed on the hot melt. The control box 10 controls the electric push rod Ⅱ20 to drive the movable frame 21 and the hot melt device Ⅱ22 to move upward and reset, so that the hot melt device Ⅱ22 brings up the head end of the consumables on the left expansion shaft 5, and then the control box 10 controls the electric slide rail Ⅰ23 to drive the sliding frame Ⅰ16, the movable frame 21 and the hot melt device Ⅱ22 to move rightward and reset, so that the hot melt device Ⅱ22 pulls the head end of the consumables on the left expansion shaft 5 to move rightward to the top of the hot melt device Ⅰ19;

[0039] After the consumables on the right expansion shaft 5 are used up, the tail end of the consumables will be separated from the empty roll on the right expansion shaft 5, and then the tail end of the consumables will gradually move to the right and leave the detection range of the distance sensor Ⅱ9. When the tail end of the consumables leaves the detection range of the distance sensor Ⅱ9, the tail end of the consumables is just on the hot melter Ⅰ19, and the distance sensor Ⅱ9 will send a signal. After receiving the signal, the control box 10 will control the electric slide rail Ⅱ26 to drive the slide frame Ⅱ27 and the roller Ⅰ28 to move upward, so as to loosen the consumables wound between the rollers Ⅰ28 and Ⅱ29, thereby buffering the moving progress of the tail end of the consumables (it can make the consumables wound between the rollers Ⅰ28 and Ⅱ29 Ⅱ29 is consumed first), so that the tail end of the consumables is continuously on the hot melter Ⅰ19, and at the same time, the control box 10 controls the electric push rod Ⅱ20 to drive the movable frame 21 and the hot melter Ⅱ22 to move downward, so that the hot melter Ⅱ22 drives the head end of the consumables on the left expansion shaft 5 to move downward, until the head end of the consumables on the left expansion shaft 5 contacts the tail end of the consumables in use, and then the control box 10 controls the air pump Ⅰ24 to stop working, so that the bottom of the hot melter Ⅱ22 loosens the head end of the consumables on the left expansion shaft 5 (after the air pump Ⅰ24 stops working, air will enter from the gap between the bottom of the hot melter Ⅱ22 and the consumables, so that The air pressure in the groove 221 returns to normal, so that the head end of the consumables on the left expansion shaft 5 is no longer adsorbed on the bottom of the hot melter II 22). Then the control box 10 controls the hot melters I 19 and II 22 to hot-melt the head and tail ends of the two sections of consumables, thereby connecting the two sections of consumables together (the finished product generated at the connecting position of the section of consumables needs to be taken out as a defective product). After the two sections of consumables are connected, the control box 10 controls the electric push rod II 20 to drive the movable frame 21 and the hot melter II 22 to move upward and reset. At the same time, the control box 10 controls the servo motor I 3 to drive the rotating frame 4 to rotate 180 degrees, so that the expansion shafts on the left and right sides are connected. 5 is rotated again to change positions (after the change, the whole roll of new consumables will be on the right expansion shaft 5, and the empty roll left after the previous roll of consumables is used up will be on the left expansion shaft 5), and then the control box 10 will control the reduction motor Ⅰ14 to continue to drive the gear Ⅱ15 to rotate, so that the gear Ⅰ13 and the expansion shaft 5 on the right rotate, so as to unwind the consumables on the right expansion shaft 5, and at the same time, the control box 10 will control the electric slide rail Ⅱ26 to drive the slide frame Ⅱ27 and the roller Ⅰ28 to move downward and reset, so as to tighten the consumables wound between the roller Ⅰ28 and the roller Ⅱ29, so that the consumables can be automatically replaced;

[0040] After that, the above-mentioned loading operation can be repeated to load the next roll of new consumables on the expansion shaft 5 on the left, and the empty roll can be removed from the expansion shaft 5 on the left. In this way, continuous and automatic material replacement of consumables can be achieved.

[0041] See also Fig.12 and Fig.13As shown, it also includes an inflation mechanism, which includes a fixing frame 37, an air pump II 38, an electric push rod III 39, an air nozzle 40 and an air pipe II 41; the fixing frame 37 is installed on the upper left side of the front support frame I2; the air pump II 38 is installed on the upper side of the fixing frame 37; the electric push rod III 39 is installed on the upper side of the fixing frame 37; the air nozzle 40 is connected to the telescopic rod of the electric push rod III 39, and the air nozzle 40 is used to connect with the inflation port of the expansion shaft 5; the two ends of the air pipe II 41 are respectively connected to the air nozzle 40 and the air outlet of the air pump II 38.

[0042] When the expansion shaft 5 needs to be inflated, the air nozzle 40 can be driven to move backward by the electric push rod III 39 so that the air nozzle 40 can be docked with the inflation port of the expansion shaft 5, and then the air pump II 38 is used to fill air into the expansion shaft 5 through the air pipe II 41 and the air nozzle 40, so that the expansion shaft 5 can be inflated; after the expansion shaft 5 is completely inflated, the air nozzle 40 is driven to move forward and reset by the electric push rod III 39 so that the air nozzle 40 can be disconnected from the inflation port of the expansion shaft 5; in this way, it is convenient for the operator to inflate the expansion shaft 5.

[0043] The above description is only a specific implementation mode of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An automatic unwinding device for a bag making machine with a cleaning component, comprising a bottom plate (1), characterized in that: It also includes a support frame I (2), a servo motor I (3), a rotating frame (4), an expansion shaft (5), a support frame II (6), a connecting frame (7), a distance sensor I (8), a distance sensor II (9), a control box (10), a limit mechanism, a reeling mechanism, a connecting mechanism, a buffer mechanism and a cleaning mechanism. The two support frames I (2) are both mounted on the bottom plate (1), the servo motor I (3) is mounted on one side of the support frame I (2), the rotating frame (4) is rotatably arranged between the two support frames I (2), the rotating frame (4) is provided with two expansion shafts (5), and the support frame II (6) The device is installed on a base plate (1), a connecting frame (7) is connected to a supporting frame II (6), a distance sensor I (8), a distance sensor II (9) and a control box (10) are all installed on the connecting frame (7), the distance sensor I (8) and the distance sensor II (9) are all electrically connected to the control box (10), a limiting mechanism is used to limit the expansion shaft (5) on the rotating frame (4), an unwinding mechanism is used to drive the expansion shaft (5) on the rotating frame (4) to rotate, a connecting mechanism is used to dock the consumables, a buffer mechanism is used to buffer the consumables, and a cleaning mechanism is used to clean the surface of the consumables; The limiting mechanism comprises a limiting block (11) and a cylinder I (12); the limiting block (11) is symmetrically arranged on the rotating frame (4) for rotation; the limiting block (11) is used to limit the expansion shaft (5) on the rotating frame (4); the cylinder I (12) is symmetrically arranged on the rotating frame (4); the telescopic rod of the cylinder I (12) is rotationally connected to the limiting block (11); The unwinding mechanism comprises a gear I (13), a reduction motor I (14) and a gear II (15), wherein the gear I (13) is connected to the end of the expansion shaft (5), the reduction motor I (14) is mounted on a support frame I (2) on one side, the gear II (15) is connected to the output shaft of the reduction motor I (14), and the gear II (15) is meshed with the gear I (13) on one of the expansion shafts (5); The connecting mechanism comprises a sliding frame I (16), an electric push rod I (17), a connecting block (18), a heat fuser I (19), an electric push rod II (20), a movable frame (21) and a heat fuser II (22), wherein the sliding frame I (16) is slidably arranged on the supporting frame II (6), the electric push rods I (17) are symmetrically arranged on the sliding frame I (16), the connecting block (18) is connected between the telescopic rods of the electric push rods I (17), and the heat fuser I (19) is connected to the connecting block (18). 9) is mounted on the connecting block (18), the electric push rod II (20) is mounted on the sliding frame I (16), the movable frame (21) is slidably arranged on the sliding frame I (16), the telescopic rod of the electric push rod II (20) is connected to the movable frame (21), the hot melt device II (22) is mounted on the movable frame (21), the hot melt device I (19) and the hot melt device II (22) are both used for hot melting of consumables, and the hot melt device II (22) is provided with a groove (221); The connecting mechanism further comprises an electric slide rail I (23), an air pump I (24) and an air pipe I (25). The electric slide rail I (23) is symmetrically arranged on the support frame II (6). The slider of the electric slide rail I (23) is connected to the slide frame I (16). The air pump I (24) is installed on the slide frame I (16). One end of the air pipe I (25) is connected to the air inlet of the air pump I (24). The other end of the air pipe I (25) is connected to the hot melt device II (22), and the other end of the air pipe I (25) is connected to the groove (221).

2. The automatic unwinding device for bag making machine with a cleaning component as claimed in claim 1, characterized in that: The buffer mechanism comprises an electric slide rail II (26), a sliding frame II (27), a roller I (28) and a roller II (29). The electric slide rail II (26) is symmetrically arranged on the support frame II (6). The sliding frame II (27) is symmetrically slidably arranged on the support frame II (6). The slider of the electric slide rail II (26) is connected to the sliding frame II (27). The roller I (28) is rotatably installed between the sliding frames II (27). The roller II (29) is rotatably installed on the support frame II (6).

3. The automatic unwinding device for bag making machine with a cleaning component as claimed in claim 2, characterized in that: The cleaning mechanism comprises an ion fan (30), an electrostatic precipitator (31), a connecting pipe (32), a connecting frame (33), a top plate frame (34), a cylinder II (35) and a rotating drum (36). The ion fan (30) and the electrostatic precipitator (31) are both mounted on the bottom plate (1). One end of the connecting pipe (32) is connected to the air outlet of the ion fan (30). The connecting frame (33) is connected between the other end of the connecting pipe (32) and the air inlet of the electrostatic precipitator (31). The top plate frame (34) is slidably arranged on the connecting frame (7). The top plate frame (34) contacts the connecting frame (33). The cylinder II (35) is mounted on the connecting frame (7). The telescopic rod of the cylinder II (35) is connected to the top plate frame (34). The rotating drum (36) is symmetrically rotatably arranged on the connecting frame (33) and the top plate frame (34).

4. The automatic unwinding device for bag making machine with a cleaning component as claimed in claim 3, characterized in that: The invention also comprises an inflation mechanism, which comprises a fixing frame (37), an air pump II (38), an electric push rod III (39), an air nozzle (40) and an air pipe II (41). The fixing frame (37) is mounted on one side of the support frame I (2). The air pump II (38) and the electric push rod III (39) are both mounted on the fixing frame (37). The air nozzle (40) is connected to the telescopic rod of the electric push rod III (39). The air nozzle (40) is used to connect with the inflation port of the expansion shaft (5). The two ends of the air pipe II (41) are respectively connected to the air nozzle (40) and the air outlet of the air pump II (38).

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