Band-aid production equipment and production process thereof

Abstract

The invention provides band-aid production equipment and a production process thereof, and relates to the technical field of band-aid production, the band-aid production equipment comprises a rack, a stock bin is arranged on the rack, two gap compensation flexible brushes are arranged on the stock bin, a material taking and placing mechanism is arranged below the stock bin, a composite sheet conveying mechanism is arranged on the downstream of the material taking and placing mechanism, and the composite sheet conveying mechanism is arranged on the rack. A gap air suction bottom roller and an air suction die cutting cutter roller are arranged on the die cutting waste discharge cutter holder, two waste stirring plates are installed on the downstream portion of the die cutting waste discharge cutter holder, an attaching mechanism is arranged on the downstream portion of the die cutting waste discharge cutter holder, and a first smoothing slow pressing roller and a second smoothing slow pressing roller are arranged on the machine frame. The problems that composite sheets are staggered in a stock bin, die cutting and waste discharging cannot be achieved without backing paper traction, and adhesive bandages are inclined due to edge warping of the adhesive bandages in the packaging process are solved, and therefore the adhesive bandages are produced and packaged with the composite sheets as raw materials.

Description

Technical Field

[0001] The invention relates to the technical field of band-aid production, and in particular to a band-aid production device and a production process thereof. Background Art

[0002] In the production process of Band-Aids, the raw materials used in the existing Band-Aid production equipment are material strips, and the raw materials are compounded, die-cut and discharged through the cooperation of multiple knife seats to complete the production of Band-Aids. Now it is necessary to use composite sheets as the raw materials for the production of Band-Aids. Due to the factors that the composite sheets are thick in the middle and thin on both sides, have no bottom paper for traction and are easy to warp, the use of existing equipment has the following disadvantages. First, when the existing silo is used to stack composite sheets and the pick-and-place mechanism is used to realize automatic feeding, due to the inconsistent thickness of the composite sheets, there are gaps in the vertical direction of the composite sheets, which causes the soft edges on both sides of the composite sheets to bend, forming a displacement gap, leading to This causes the composite sheets to be misplaced in the existing silo, making it impossible to ensure that each composite sheet is in the same original position when the material is taken out. Secondly, the existing die-cutting knife holder cannot realize die-cutting and waste discharge of the composite sheets without the traction of the bottom paper. In addition, when the existing laminating device is used to package the Band-Aid, the curling edge of the top of the Band-Aid will be blocked by the upper wrapping paper when the Band-Aid enters the upper wrapping paper and the lower wrapping paper, causing the position of the Band-Aid to be shifted. After packaging, the Band-Aid is crooked in the upper wrapping paper and the lower wrapping paper, resulting in an unqualified product. In summary, the existing equipment cannot realize the production and packaging of Band-Aids using composite sheets as raw materials.

[0003] Therefore, a kind of bandage production equipment and production process thereof that solve the above-mentioned problem are needed. Summary of the invention

[0004] The invention proposes a Band-Aid production equipment and a production process thereof, which solve the problems of misalignment of composite sheets in a silo, inability to die-cut and discharge waste without traction of a bottom paper, and crooked Band-Aids due to warping of the edges during packaging, thereby enabling the equipment to realize the production and packaging of Band-Aids using composite sheets as raw materials.

[0005] The technical solution of the invention is achieved as follows:

[0006] The band-aid production equipment comprises a frame, and an automatic feeding unit, a die-cutting and waste discharge knife seat and a packaging unit are arranged on the frame along the production direction of the band-aid;

[0007] The automatic feeding unit comprises a silo for placing composite sheets, the silo is provided with two gap compensation flexible brushes for combing, flexibly supporting, adjusting the posture and dividing the composite sheets, a material taking and discharging mechanism is provided below the silo, and a composite sheet conveying mechanism for conveying the composite sheets to the die-cutting waste discharge knife seat is provided downstream of the material taking and discharging mechanism;

[0008] The die-cutting waste discharge knife seat is provided with a gap suction bottom roller and a suction die-cutting knife roller for cooperating in die-cutting the composite sheet; the outer peripheral surface of the gap suction bottom roller is provided with a plurality of first suction holes for adsorbing the band-aid formed after die-cutting; the outer peripheral surface of the suction die-cutting knife roller is provided with a plurality of second suction holes for intermittently adsorbing the die-cutting outer frame waste sheet formed after die-cutting; and two waste stripping plates for stripping the die-cutting outer frame waste sheet adsorbed on the suction die-cutting knife roller are installed downstream of the die-cutting waste discharge knife seat;

[0009] The packaging unit includes a bonding mechanism for bonding the upper packaging paper and the lower packaging paper to the top and bottom of the Band-Aid, the frame is provided with a first smoothing and de-pressing roller and a second smoothing and de-pressing roller for guiding the upper packaging paper, the axis of the first smoothing and de-pressing roller is higher than the axis of the second smoothing and de-pressing roller, the upper packaging paper forms a de-pressing angle between the first smoothing and de-pressing roller and the second smoothing and de-pressing roller for smoothing and pressing down the warped edge of the top of the Band-Aid, a suction conveying mechanism for conveying the Band-Aid is provided between the bonding mechanism and the die-cutting and waste discharge knife seat, and a hot pressing knife seat and a cutting knife seat are provided downstream of the bonding mechanism.

[0010] As a preferred technical solution, the two gap compensating flexible brushes are arranged opposite to each other, and the bristles on the two gap compensating flexible brushes are arranged horizontally and extend into the material bin to support the composite sheet, and each of the gap compensating flexible brushes is provided with a gravity compensation cavity for avoiding the thicker middle position on the composite sheet, and each of the gravity compensation cavity extends in the vertical direction.

[0011] As a preferred technical solution, the arc surface on the outer peripheral surface of the suction die-cutting knife roller that is arranged opposite to the gap suction bottom roller is a die-cutting arc surface, and the downstream of the die-cutting arc surface is connected with an adsorption arc surface for adsorbing the waste sheet of the die-cutting outer frame, and a waste guide plate is installed below the two waste pickers, and the lower ends of the two waste pickers cover the second suction hole downstream of the adsorption arc surface, so that the waste sheet of the die-cutting outer frame is separated from the adsorption of the second suction hole and falls onto the waste guide plate.

[0012] As a preferred technical solution, a plurality of die-cutting knife groups are evenly distributed on the outer circumferential surface of the suction die-cutting knife roller, the second suction holes are arranged at both ends of the die-cutting knife group, each of the die-cutting knife groups includes a plurality of die-cutting knives, each of the die-cutting knife includes two integrally arranged arc-shaped end blades and two straight side blades, the two ends of the two straight side blades are respectively connected to the ends of the corresponding two arc-shaped end blades, and the distance between adjacent die-cutting knives in each die-cutting knife group is equal.

[0013] As a preferred technical solution, the laminating mechanism includes a laminating frame fixedly mounted on the frame, and a pressing plate for pressing and laminating the upper wrapping paper, the band-aid and the lower wrapping paper is fixedly mounted on the laminating frame.

[0014] As a preferred technical solution, the suction conveying mechanism includes a driving pulley and a driven pulley rotatably mounted on the frame, the driving pulley is transmission-connected with a first rotating drive device, a suction conveyor belt is wound between the driving pulley and the driven pulley, a plurality of third suction holes are provided on the suction conveyor belt, the first smoothing and pressure-relief roller and the second smoothing and pressure-relief roller are both rotatably mounted above the suction conveyor belt, a suction groove is provided on the frame, the suction groove is arranged between the driving pulley, the driven pulley and the suction conveyor belt, the suction groove is connected to an air pump, and the position of the suction groove corresponds to the position of the third suction holes.

[0015] As a preferred technical solution, the silo is surrounded by a number of limit plates fixedly mounted on the frame, each of the limit plates is vertically arranged, a sheet material discharge port is provided at the top of the silo, a sheet material taking port is provided at the bottom of the silo, and a number of ball head screws are provided at the sheet material taking port to prevent the composite sheet from falling automatically.

[0016] The top end of the lifting gear is connected with the lifting gear of the lifting gear, and the bottom end of the lifting gear is connected with the lifting gear of the lifting gear through the lifting gear.

[0017] The production process of the band-aid production equipment, the composite sheet is composed of a bottom layer, a middle layer and two peeling layers, the middle layer is in strip shape and is pasted to the middle position of the top surface of the bottom layer, the two peeling layers are pasted to the two sides of the top surface of the bottom layer, the ends of the two peeling layers close to the middle layer both extend toward the middle layer and cross-cover the top of the middle layer up and down, the composite sheet is thick in the middle position and thin at the soft edges on both sides, and the peeling layer on the top of the composite sheet is easy to warp;

[0018] The following steps are also included:

[0019] S1, the composite sheets stacked in the silo are separated by the bristles of the two gap compensation flexible brushes, and at the same time, the soft edges on both sides of the composite sheets are supported to eliminate the displacement gap of the soft edges on both sides, and the composite sheets are placed flat in the silo;

[0020] S2, the material taking and placing mechanism places the composite sheet placed flat in the material bin on the composite sheet conveying mechanism at a certain distance, and the composite sheet conveying mechanism conveys the composite sheet to the die-cutting waste discharge knife seat;

[0021] S3, die-cutting the composite sheet by the gap suction bottom roller and the suction die-cutting knife roller to obtain the die-cut outer frame waste sheet and the Band-Aid;

[0022] S4, after die-cutting, the die-cutting outer frame waste sheet is adsorbed on the suction die-cutting knife roller and rotates with the suction die-cutting knife roller, the waste paddle covers the second suction holes below the die-cutting outer frame waste sheet in turn, the second suction holes below the die-cutting outer frame waste sheet are invalidated in turn, the waste paddle extends between the die-cutting outer frame waste sheet and the suction die-cutting knife roller, and as the suction die-cutting knife roller rotates, the waste paddle quickly pushes the die-cutting outer frame waste sheet away from the suction die-cutting knife roller, thus completing the rapid waste discharge of the die-cutting outer frame waste sheet;

[0023] S5 After die-cutting, the band-aid is conveyed to the suction conveying mechanism by using the intermittent suction of the gap suction bottom roller, and the suction conveying mechanism conveys the band-aid to the laminating mechanism;

[0024] S6. During the process of conveying the Band-Aid by negative pressure suction, the peeling layer on the top of the Band-Aid is smoothed and slowly pressed down by the continuously advancing upper packaging paper, and is finally neatly wrapped by the upper packaging paper and the lower packaging paper, thus completing the packaging of the Band-Aid.

[0025] 10. The production process of the band-aid production equipment according to any one of claim 9, characterized in that after the band-aid is packaged, it undergoes the following steps:

[0026] S7, the band-aid is pulled by the upper packaging paper and the lower packaging paper to the heat-pressing knife seat, and the upper packaging paper and the lower packaging paper are heat-pressed and sealed by the heat-pressing knife seat;

[0027] S8, after the heat-pressing and sealing treatment, the band-aid enters the cutting knife seat, and the upper packaging paper and the lower packaging paper are cut by the cutting knife seat to obtain the band-aid in a single sealed package.

[0028] By adopting the above technical solution, the beneficial effects of the invention are:

[0029] Since the Band-Aid production equipment includes an automatic feeding unit, a die-cutting waste discharge knife seat and a packaging unit, when using this equipment, first of all, the setting of two gap compensation flexible brushes performs gap compensation for the composite sheets in the stacking bin, eliminating the displacement gap of the composite sheets, and utilizing the soft characteristics of the gap compensation brushes to enable this equipment to have the functions of combing materials, flexibly supporting, adjusting posture, and dividing materials. After being adapted to the thin composite sheets on both sides of the soft edges after the middle position, it cleverly solves the technical problem of misalignment of such composite sheet raw materials in the silo, thereby ensuring the same original position of the composite sheets, and further ensuring the processing accuracy and consistency of the Band-Aids.

[0030] Secondly, under the conveyance of the composite sheet conveying mechanism, the sheet is conveyed to the die-cutting waste discharge knife seat, and the die-cutting of the sheet is realized through the cooperation of the intermittent suction bottom roller and the suction die-cutting knife roller. After die-cutting, the cooperation of the first suction hole, the second suction hole and the waste pick plate is used to separate the die-cutting outer frame waste sheet and the Band-Aid and convey them to the specified position, thereby realizing the waste discharge function. Only one knife seat is used, and there is no bottom paper traction, which avoids the influence of multiple knife seats on the processing accuracy of the Band-Aid.

[0031] In addition, the upper packaging paper inclined between the first smoothing and depressing roller and the second smoothing and depressing roller continues to move forward, smoothing and slowly pressing down the raised peeling layer on the top of the Band-Aid, so that the Band-Aid fits neatly with the upper packaging paper and the lower packaging paper, thereby avoiding the occurrence of skewness of such easy-to-warp sheet materials during packaging, and further avoiding the occurrence of product failures due to the skewness of the Band-Aid.

[0032] In summary, the present invention cleverly solves the technical problem of misalignment of such composite sheet raw materials in the silo through the gap compensation brush, and realizes die-cutting and waste discharge of the composite sheet through the cooperation of the bottom suction roller, the suction die-cutting knife roller and the waste pick plate on the basis of the bottom paper. The occurrence of skewness during Band-Aid packaging is avoided by smoothing and slowly pressing down the raised glass row on the top of the Band-Aid, thereby enabling the equipment to realize the production and packaging of Band-Aids using composite sheets as raw materials.

[0033] Since the gap compensation flexible damper includes two relatively arranged gap compensation flexible brushes, during the use of the equipment, a number of neatly stacked composite sheets are placed in the silo so that the two ends of the middle layer on the composite sheet are respectively located at the gravity compensation cavity, and the stacked composite sheets will move to the bottom of the silo due to gravity. During this process, the limiting plate limits the composite sheet, and the setting of the gravity compensation cavity on the gap compensation flexible brush ensures that the two end surfaces of the middle material on the composite sheet are not blocked by the gap compensation flexible brush, so that the composite sheet moves downward more smoothly. The bristles on the gap compensation flexible brush can be inserted between the stacked composite sheets to separate the multiple stacked composite sheets. The brush plays a role in separating the materials, ensuring the single-piece material taking of the material taking and unloading mechanism. At the same time, the soft edges on both sides of the composite sheet are supported to prevent the bending of the soft edges on both sides due to the dead weight in the middle and the placement gap, thereby eliminating the displacement gap and avoiding the misalignment of the composite sheets.

[0034] Since the automatic sheet feeding device includes a material taking and discharging mechanism, the composite sheet at the sheet material taking port is blocked by the ball head top wire and supported by the bristles and balanced with its own gravity, so that the composite sheet is flat at the taking port. When the composite sheet at the taking port is sucked away, the composite sheet above will move downward due to its own weight, and the composite sheet will bend during the downward movement. When it moves to the taking port, the composite sheet will be supported by the bristles and blocked by the ball head top wire, so that the composite sheet is in a flat state, and the suction cup can better absorb the composite sheet.

[0035] Since the die-cutting waste discharge knife seat includes an intermittent suction bottom roller and a suction die-cutting knife roller, in the process of die-cutting the composite sheet, under the conveyance of the composite sheet conveying mechanism, the composite sheet enters the die-cutting waste discharge knife seat and is die-cut into die-cut outer frame waste sheets and Band-Aids, and the die-cut outer frame waste sheets are adsorbed by the second suction holes on the suction die-cutting knife roller and rotate with the suction die-cutting knife roller. When the die-cut outer frame waste sheets move to the position of the waste paddle plate, the waste paddle plate covers the second suction holes. At this time, the second suction holes corresponding to the front end of the die-cut outer frame waste sheets are ineffective, and the waste The material shifting plate extends into the front end of the die-cutting outer frame waste sheet, and begins to separate the front end of the die-cutting outer frame waste sheet from the suction die-cutting knife roller. As the suction die-cutting knife roller rotates, the second suction holes corresponding to the die-cutting outer frame waste sheet become ineffective one by one, and the waste shifting plate quickly shifts the die-cutting outer frame waste sheet away one by one until the rear end of the die-cutting outer frame waste sheet is also separated from the suction die-cutting knife roller, so that the die-cutting outer frame waste sheet falls onto the waste guide plate under the action of gravity and is transported to a specified position along the waste guide plate, replacing the intermittent suction waste discharge of the prior art and greatly improving the waste discharge speed.

[0036] The Band-Aid formed by die-cutting is adsorbed by the first suction hole on the intermittent suction bottom roller and rotates with the intermittent suction bottom roller. The suction groove of the bottom roller is disconnected from the first suction hole that adsorbs the Band-Aid, and the Band-Aid falls to a specified position under the action of gravity. The first suction hole stops adsorbing the Band-Aid, causing the Band-Aid to fall onto the suction conveyor belt. Therefore, the die-cutting waste discharge knife seat realizes the die-cutting of the composite sheet, and also realizes the separation and transportation of the die-cutting outer frame waste sheet and the Band-Aid.

[0037] Since the sheet packaging equipment includes a first smoothing and pressure-relief roller and a second smoothing and pressure-relief roller, during the use of the equipment, the Band-Aid to be packaged is adsorbed on the suction conveyor belt at a certain distance and moves downstream with the suction conveyor. When the Band-Aid passes between the first smoothing and pressure-relief roller and the second smoothing and pressure-relief roller, since the moving direction of the upper packaging is the same as the direction in which the peeling layer needs to be smoothed, the upper packaging paper that continues to move downstream has a smoothing effect on the top peeling layer of the Band-Aid. At the same time, the bottom of the Band-Aid is adsorbed on the suction conveyor belt by the negative pressure at the third suction hole, and the peeling layer on the top of the Band-Aid is slowly pressed down by the inclined upper packaging paper and finally abuts against the upper packaging paper. Then, under the traction of the upper packaging paper, the bottom of the Band-Aid abuts against the lower packaging paper, thus completing the packaging of the sheet.

[0038] Since the automatic sheet material feeding device includes a material picking and unloading mechanism, during the use of this device, the rising of the sliding seat is realized by the linear driving mechanism. During the rising process of the sliding seat, when the cam follower passes through the middle flip groove, the material picking seat rotates 180 degrees, the suction cup rotates to the top of the material picking seat, and continues to rise in the upper linear groove, and waits for the suction cup to absorb the composite sheet, the sliding seat descends, the material picking of the composite sheet is completed, the suction cup is reset, and the composite sheet is placed on the belt conveyor, completing the discharge of the composite sheet. In the present invention, through the cooperation of the flip guide groove and the cam follower, the lifting and turning of the material picking seat are completed by a set of power driving mechanism. Compared with the existing method of picking and unloading by a mechanical arm, the material picking and unloading mechanism is placed under the silo, with a compact structure and small space occupation, which greatly reduces the volume of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0040] Figure 1 A schematic diagram of the structure of the invention;

[0041] Figure 2 It is a structural diagram of the silo and the material taking and discharging mechanism;

[0042] Figure 3 It is a structural schematic diagram of the material taking and placing mechanism;

[0043] Figure 4 A reference diagram of the state of the composite sheet;

[0044] Figure 5 It is a structural schematic diagram of the die-cutting waste discharge knife seat;

[0045] Figure 6 A structural schematic diagram of the die-cutting waste removal knife holder from another perspective;

[0046] Figure 7 It is a schematic diagram of the structure of the air suction die-cutting knife roller;

[0047] Figure 8 It is a schematic diagram of the structure of the die-cutting roller outer peripheral surface;

[0048] Fig. 9 It is a structural schematic diagram of the intermittent suction bottom roller;

[0049] Fig.10 A reference diagram of the die-cutting state of the composite sheet;

[0050] Fig.11 It is a structural schematic diagram of the air suction conveying mechanism and the laminating mechanism;

[0051] Fig.12 It is a schematic diagram of the structure of the cutting knife seat;

[0052] Fig.13 This is a reference picture of the state of the Band-Aid being smoothed and relieved by the upper wrapping paper.

[0053] Among them: 1. Frame; 2. Band-Aid; 3. Die-cutting waste discharge knife seat; 4. Composite sheet; 5. Material bin; 6. Gap compensation flexible brush; 7. Gap suction bottom roller; 8. Suction die-cutting knife roller; 9. First suction hole; 10. Die-cutting outer frame waste sheet; 11. Second suction hole; 12. Waste paddle; 13. Upper wrapping paper; 14. Lower wrapping paper; 15. First smoothing and slow-pressing roller; 16. Second smoothing and slow-pressing roller; 17. Slow-pressing angle; 18. Hot pressing knife seat; 19. Cutting knife seat; 20. Gravity compensation cavity; 21. Die-cutting arc surface; 22. Adsorption arc surface; 23. Waste guide plate; 24. Die cutter; 25. Arc end blade; 26. Straight side blade; 27. Laminating frame; 28. Pressing plate; 29. ​​Driving pulley; 30. Driven pulley; 31. Suction conveyor belt; 32. Third suction hole; 33. Conveyor belt suction slot; 34. Limiting plate; 35. Sheet discharge port; 36. Sheet feeding port; 37. Ball head top screw; 38. Sliding seat; 39. Rotating shaft; 40. Feeding seat; 41. Suction pipe; 42. Suction cup; 43. Connecting arm; 44. Cam follower; 45. Mounting plate; 46. Upper straight slot; 4 7. Middle turning groove; 48. Lower straight groove; 49. First turning arc groove; 50. Middle connecting groove; 51. Second turning arc groove; 52. Tension spring; 53. Slide rail; 54. Sliding block; 55. Rodless cylinder; 56. Bottom roller axial air suction channel; 57. Bottom roller air suction plate; 58. Bottom roller air suction groove; 59. First rotating bearing; 60. First thrust bearing; 61. Cutter roller axial air suction channel; 62. Cutter roller air suction plate; 63. Cutter roller air suction groove; 64. Second rotating bearing; 65. Second thrust bearing; 66. Belt conveyor; 67. Conveyor belt mounting frame; 68, first conveyor belt; 69, second conveyor belt; 70, conveying gap; 71, photoelectric position sensor; 72, upper packaging paper discharge shaft; 73, lower packaging paper discharge shaft; 74, hot pressing bottom roller; 75, first heating roller; 76, second heating roller; 77, packaging paper preheating plate; 78, cutting bottom roller; 79, cutting roller; 80, cutting rubber roller; 81, traction mounting frame; 82, first traction roller; 83, second traction roller; 84, bottom layer; 85, middle layer; 86, peeling layer; 87, displacement gap; 88, bristles. DETAILED DESCRIPTION

[0054] The following will be combined with the drawings in the embodiments of the invention to clearly and completely describe the technical solutions in the embodiments of the invention. Obviously, the described embodiments are only part of the embodiments of the invention, not all of the embodiments. Based on the embodiments in the invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the invention.

[0055] Embodiment 1:

[0056] like Figure 1-Figure 13As shown together, the Band-Aid production equipment includes a frame 1. Along the production direction of the Band-Aid 2, the frame 1 is provided with an automatic feeding unit, a die-cutting and waste discharge knife seat 3 and a packaging unit.

[0057] The automatic feeding unit includes a silo 5 for placing composite sheets 4, and the silo 5 is provided with two gap-compensating flexible brushes 6 for combing, flexibly supporting, adjusting the posture and dividing the composite sheets 4. A material picking and discharging mechanism is provided below the silo 5, and a composite sheet conveying mechanism for conveying the composite sheets 4 to the die-cutting waste discharge knife seat 3 is provided downstream of the material picking and discharging mechanism.

[0058] like Figure 5-Figure 9 As shown together, the die-cutting waste discharge knife seat 3 is provided with a gap suction bottom roller 7 and a suction die-cutting knife roller 8 for cooperating in die-cutting the composite sheet 4, the outer peripheral surface of the gap suction bottom roller 7 is provided with a plurality of first suction holes 9 for adsorbing the Band-Aid 2 formed after die-cutting, the outer peripheral surface of the suction die-cutting knife roller 8 is provided with a plurality of second suction holes 11 for intermittently adsorbing the die-cutting outer frame waste sheet 10 formed after die-cutting, and two waste picker plates 12 for picking off the die-cutting outer frame waste sheet 10 adsorbed on the suction die-cutting knife roller 8 are installed downstream of the die-cutting waste discharge knife seat 3.

[0059] The packaging unit includes a bonding mechanism for bonding the upper packaging paper 13 and the lower packaging paper 14 to the top and bottom of the Band-Aid 2. The frame 1 is provided with a first smoothing and pressure-relief roller 15 and a second smoothing and pressure-relief roller 16 for guiding the upper packaging paper 13. The axis of the first smoothing and pressure-relief roller 15 is higher than the axis of the second smoothing and pressure-relief roller 16. The upper packaging paper 13 forms a pressure relief angle 17 between the first smoothing and pressure-relief roller 15 and the second smoothing and pressure-relief roller 16 for smoothing and pressing down the warped edge of the top of the Band-Aid 2. A suction conveying mechanism for conveying the Band-Aid 2 is provided between the bonding mechanism and the die-cutting and waste discharge knife seat 3. A hot pressing knife seat 18 and a cutting knife seat 19 are provided downstream of the bonding mechanism.

[0060] The two gap compensating flexible brushes 6 are arranged opposite to each other, and the bristles 88 on the two gap compensating flexible brushes 6 are arranged horizontally and extend into the silo 5 to support the composite sheet 4. Each gap compensating flexible brush 6 is provided with a gravity compensation cavity 20 for avoiding the thicker middle position of the composite sheet 4, and each gravity compensation cavity 20 extends in the vertical direction.

[0061] like Fig.10As shown, the arc surface on the outer peripheral surface of the suction die-cutting knife roller 8 that is arranged opposite to the gap suction bottom roller 7 is the die-cutting arc surface 21, and the downstream of the die-cutting arc surface 21 is connected with an adsorption arc surface 22 for adsorbing the die-cutting outer frame waste sheet 10, and a waste guide plate 23 is installed below the two waste pickers 12. The lower ends of the two waste pickers 12 cover the second suction hole 11 downstream of the adsorption arc surface 22, so that the die-cutting outer frame waste sheet 10 is separated from the adsorption of the second suction hole 11 and falls onto the waste guide plate 23.

[0062] like Figure 2 As shown, a plurality of die-cutting knife groups are evenly distributed on the outer peripheral surface of the suction die-cutting knife roller 8, and the second suction holes 11 are arranged at both ends of the die-cutting knife groups. Each die-cutting knife group includes a plurality of die-cutting knives 24, and each die-cutting knife 24 includes two integrally arranged arc-shaped end blades 25 and two straight side blades 26, and the two ends of the two straight side blades 26 are respectively connected to the ends of the corresponding two arc-shaped end blades 25, and the distances between adjacent die-cutting knives 24 in each die-cutting knife group are equal.

[0063] like Fig.11 As shown, the laminating mechanism includes a laminating frame 27 fixedly mounted on the frame 1 , and a pressing plate 28 is fixedly mounted on the laminating frame 27 for pressing and laminating the upper wrapping paper 13 , the band-aid 2 and the lower wrapping paper 14 .

[0064] The suction conveying mechanism includes a driving pulley 29 and a driven pulley 30 rotatably mounted on the frame 1, the driving pulley 29 is transmission-connected to a first rotating driving device, a suction conveyor belt 31 is wound between the driving pulley 29 and the driven pulley 30, a plurality of third suction holes 32 are arranged on the suction conveyor belt 31, a first smoothing and pressure-relief roller 15 and a second smoothing and pressure-relief roller 16 are both rotatably mounted above the suction conveyor belt 31, a conveyor belt suction groove 33 is arranged on the frame 1, the conveyor belt suction groove 33 is arranged between the driving pulley 29, the driven pulley 30 and the suction conveyor belt 31, the conveyor belt suction groove 33 is connected to an air pump, and the position of the conveyor belt suction groove 33 corresponds to the position of the third suction holes 32.

[0065] like Figure 1 and Figure 2 As shown together, the silo 5 is surrounded by a number of limit plates 34 fixedly mounted on the frame 1, each limit plate 34 is vertically arranged, a sheet discharge port 35 is provided at the top of the silo 5, a sheet material taking port 36 is provided at the bottom of the silo 5, and a number of ball head top screws 37 are provided at the sheet material taking port 36 for preventing the composite sheet 4 from automatically falling.

[0066] The material taking and discharging mechanism includes a sliding seat 38 slidably mounted on the frame 1 along the vertical direction, the sliding seat 38 is transmission-connected with a linear drive mechanism, a horizontally arranged rotating shaft 39 is rotatably mounted on the sliding seat 38, one end of the rotating shaft 39 is fixedly mounted with a material taking seat 40, at least one vertically arranged suction pipe 41 is fixedly mounted on the material taking seat 40, the lower end of the suction pipe 41 is connected with a suction cup 42 for sucking the composite sheet 4 at the position of the sheet material taking port 36, the suction pipe 41 is connected with an air pump, a connecting arm 43 is fixedly mounted on the other end of the rotating shaft 39, a cam follower 44 is rotatably mounted on the free end of the connecting arm 43, the axis of the cam follower 44 is arranged parallel to the rotating shaft 39 and is not coaxial, a mounting plate 45 is fixedly mounted on the frame 1, a guide groove is arranged on the mounting plate 45, the cam follower 44 is constrained and mounted in the guide groove, the guide groove includes an upper linear groove 46, a middle flip groove 47 and a lower linear groove 48 which are continuously arranged together, and the guide groove is not marked in the figure.

[0067] The middle inversion groove 47 includes a first inversion arc groove 49 , an intermediate connecting groove 50 and a second inversion arc groove 51 which are continuously arranged together. The first inversion arc groove 49 and the second inversion arc groove 51 are symmetrically arranged.

[0068] A tension spring 52 is provided between the sliding seat 38 and the connecting arm 43 for pulling the cam follower 44 toward the middle flip groove 47. In the present invention, the setting of the tension spring 52 enables the cam follower 44 to move quickly toward the middle flip groove 47, thereby reducing the jamming of the cam follower 44 in the middle flip groove 47, completing the 180-degree rotation of the composite sheet 4 more quickly, and improving the stability and speed of the composite sheet 4 during the material taking and placing process.

[0069] A vertically arranged slide rail 53 is fixedly mounted on the frame 1 , a slider 54 is slidably mounted on the slide rail 53 , the slider 54 is fixedly mounted on the slide seat 38 , and the linear drive mechanism includes a vertically arranged rodless cylinder 55 , and the slide seat 38 is fixedly connected to the body of the rodless cylinder 55 .

[0070] like Fig. 9 As shown, a plurality of bottom roller axial suction channels 56 are arranged on the gap suction bottom roller 7, and each first suction hole 9 is connected with the corresponding bottom roller axial suction channel 56. A bottom roller suction disc 57 is installed on the gap suction bottom roller 7, and one side of the bottom roller suction disc 57 is abutted against one end surface of the gap suction bottom roller 7. A bottom roller suction groove 58 for connecting the first suction element with the bottom roller axial suction channel 56 is provided on the bottom roller suction disc 57. The bottom roller suction groove 58 is arranged in an arc shape on the side wall where the bottom roller suction disc 57 and the gap suction bottom roller 7 are abutted.

[0071] A first rotating bearing 59 is installed on one end shaft of the gap suction bottom roller 7, and the bottom roller suction plate 57 is installed on the first rotating bearing 59. A first thrust bearing 60 is arranged on the side wall where the first suction plate and the gap suction bottom roller 7 are in contact, and a first positioning element for positioning the bottom roller suction plate 57 is arranged between the bottom roller suction plate 57 and the die-cutting waste discharge knife seat 3.

[0072] like Figure 7 and Figure 8 As shown in common, a plurality of axial suction channels 61 are arranged on the suction die-cutting knife roller 8, and each second suction hole 11 is connected with the corresponding axial suction channel 61 of the knife roller. A knife roller suction disc 62 is installed on the suction die-cutting knife roller 8, and one side of the knife roller suction disc 62 is abutted against one end surface of the suction die-cutting knife roller 8. A knife roller suction groove 63 for connecting the second suction element with the axial suction channel 61 of the knife roller is provided on the knife roller suction disc 62. The knife roller suction groove 63 is arranged in an arc shape on the side wall where the knife roller suction disc 62 and the suction die-cutting knife roller 8 are abutted.

[0073] A second rotating bearing 64 is installed on one end shaft of the suction die-cutting knife roller 8, and the knife roller suction plate 62 is installed on the second rotating bearing 64. A second thrust bearing 65 is arranged on the side wall where the knife roller suction plate 62 and the suction die-cutting knife roller 8 are in contact, and a second positioning element for positioning the knife roller suction plate 62 is arranged between the knife roller suction plate 62 and the die-cutting waste discharge knife seat 3.

[0074] The first positioning element and the second positioning element are both positioning plates, which are not marked in the figure.

[0075] The first air suction element and the second air suction element are both air pumps, which are not marked in the figure.

[0076] The gap suction bottom roller 7 and the suction die-cutting knife roller 8 are rotatably installed from bottom to top on the die-cutting waste discharge knife seat 3. The die-cutting waste discharge knife seat 3 is fixedly installed with a die-cutting drive motor. The die-cutting drive motor is connected to the gap suction bottom roller 7 by transmission. The gap suction bottom roller 7 and the suction die-cutting knife roller 8 are connected by transmission. The die-cutting drive motor and gears are not marked in the figure.

[0077] The composite sheet conveying mechanism includes a first conveying component and a second conveying component. The second conveying component is arranged downstream of the first conveying component. The first conveying component is a belt conveyor 66. The belt conveyor 66 includes an active roller and a driven roller rotatably installed on the frame 1. A composite sheet 4 conveying belt is arranged between the active roller and the driven roller. The active roller is transmission-connected to the active roller drive motor. The active roller, the driven roller, the composite sheet 4 conveying belt and the active roller drive motor are not marked in the figure. They are technologies well known to ordinary technicians in this field and will not be repeated here.

[0078] The second conveying assembly includes a conveyor belt mounting frame 67 fixedly mounted on the die-cutting waste discharge knife seat 3, a first driving shaft and a first driven shaft are rotatably mounted on the conveyor belt mounting frame 67, two first conveyor belts 68 are wound around the first driving shaft and the first driven shaft, a second driving shaft and a second driven shaft are rotatably mounted on the conveyor belt mounting frame 67, two second conveyor belts 69 are wound between the second driving shaft and the second driven shaft, the two second conveyor belts 69 are respectively arranged below the two first conveyor belts 68, and a space for conveying is formed between each first conveyor belt 68 and the corresponding second conveyor belt 69. The conveying gap 70 for conveying the composite sheet 4. During the process of conveying the composite sheet 4, the belt conveyor 66 first conveys the composite sheet 4 to the conveying gap 70, and then each first conveyor belt 68 and the corresponding second conveyor belt 69 clamp one end of the composite sheet 4 and convey it in the direction close to the die-cutting waste discharge knife seat 3. A conveyor belt drive motor is fixedly installed on the conveyor belt mounting frame 67, and the first driving shaft and the second driving shaft are both connected to the conveyor belt drive motor. The first driving shaft, the first driven shaft, the second driving shaft, the second driven shaft and the conveyor belt drive motor are not marked in the figure.

[0079] Two photoelectric position sensors 71 for detecting the position of the composite sheet 4 are installed above the composite sheet conveying mechanism. The two photoelectric position sensors 71 are arranged front and back and are located between the two first conveyor belts 68 .

[0080] In the present invention, during the processing of the composite sheet 4, a second conveying assembly and a position detection assembly are installed upstream of the die-cutting waste discharge knife seat 3. The second conveying assembly includes two first conveying belts 68 and two second conveying belts 69. The composite sheet 4 can be conveyed to the conveying gap 70 through the first conveying assembly. Both ends of the composite sheet 4 are clamped by the first conveying belt 68 and the second conveying belt 69 and conveyed in the direction close to the die-cutting waste discharge knife seat 3. During the conveying process, the photoelectric position sensor 71 detects the position of the composite sheet 4 and adjusts the speed of the first conveying belt 68 and the second conveying belt 69 to maintain the position of the composite sheet 4. To ensure that the composite sheet 4 enters the knife holder at a certain distance, the composite sheet 4 is adapted to the die-cutting knife group evenly distributed on the outer peripheral surface of the suction die-cutting knife roller 8. In the present invention, the composite sheet 4 is conveyed by the second conveying component and the position detection component detects the position of the composite sheet 4. During the conveying process, both ends of the composite sheet 4 are clamped by the first conveyor belt 68 and the second conveyor belt 69. Compared with the traditional conveying mechanism, the relative displacement between the composite sheet 4 and the conveyor belt is reduced, and the composite sheet 4 is conveyed to the knife holder at a certain distance, thereby ensuring that the composite sheet 4 is accurately die-cut by one of the die-cutting knife groups.

[0081] An upper packaging paper discharge shaft 72 for placing the upper packaging paper 13 is rotatably installed on the frame 1, and the upper packaging paper discharge shaft 72 is arranged above the suction conveyor belt 31. A lower packaging paper discharge shaft 73 for placing the lower packaging paper 14 is rotatably installed on the frame 1, and the lower packaging paper discharge shaft 73 is placed below the laminating mechanism.

[0082] like Fig.12 As shown, the hot pressing knife seat 18 is rotatably installed with a hot pressing bottom roller 74, a first heating roller 75 and a second heating roller 76 from bottom to top, and a packaging paper preheating plate 77 for preheating the hot melt adhesive on the upper packaging paper 13 and the lower packaging paper 14 is installed upstream of the hot pressing knife seat 18. A plurality of electric heating rods are fixedly installed on the packaging paper preheating plate 77, and the electric heating rods are not marked in the figure.

[0083] In the present invention, after the sheet is wrapped by the upper wrapping paper 13 and the lower wrapping paper 14, it enters the hot pressing knife seat 18, and the hot melt adhesive on the upper wrapping paper 13 and the lower wrapping paper is preheated under the action of the wrapping paper preheating plate 77, thereby avoiding the occurrence of incomplete melting of the hot melt adhesive on the wrapping paper. Then, the sheet passes between the first heating roller 75 and the second heating roller 76, and with the coordinated cooperation of the first heating roller 75 and the second heating roller 76, the positions on the upper wrapping paper 13 and the lower wrapping paper 14 that need to be hot pressed are heated and pressed, thereby achieving the sealing of the upper wrapping paper 13 and the lower wrapping paper 14 on the Band-Aid 2.

[0084] The cutting knife seat 19 includes a cutting bottom roller 78, a cutting roller 79 and a cutting rubber roller 80 which are rotatably installed from bottom to top. A traction assembly is installed upstream of the cutting knife seat 19. The traction assembly includes a traction mounting frame 81 fixedly installed on the cutting knife seat 19. The traction mounting frame 81 is rotatably installed from bottom to top with a first traction roller 82 and a second traction roller 83. The first traction roller 82 is transmission-connected to a second rotating drive device, and the first traction roller 82 and the second traction roller 83 are transmission-connected.

[0085] In the present invention, after the upper wrapping paper 13 and the lower wrapping paper 14 are hot pressed, they are cut through the outer contour of the wrapping paper of the cutting knife seat 19. A traction assembly is installed upstream of the cutting knife seat 19. Compared with the traditional traction mechanism, the present invention installs the first traction roller 82 and the second traction roller 83 on the cutting knife seat 19 through the traction mounting frame 81, so that the installation position of the first traction roller 82 and the second traction roller 83 is closer to the cutting roller 79 and the cutting rubber roller 80, which reduces the volume of the equipment and makes the wrapping paper more stable when cutting.

[0086] A third rotating drive device is fixedly installed on the hot pressing knife seat 18, and the third rotating drive device is transmission connected with the hot pressing bottom roller 74, and the hot pressing bottom roller 74, the first heating roller 75 and the second heating roller 76 are transmission connected in sequence. A fourth rotating drive device is fixedly installed on the cutting knife seat 19, and the fourth rotating drive device is transmission connected with the cutting bottom roller 78, and the cutting bottom roller 78, the cutting roller 79 and the cutting rubber roller 80 are transmission connected in sequence. In the present invention, the transmission connection is realized by gears, which are not marked in the figure. The first rotating drive device, the second rotating drive device, the third rotating drive device and the fourth rotating drive device are all motors, which are not marked in the figure.

[0087] Embodiment 2:

[0088] The production process of Band-Aid production equipment, Figure 4 (a) is a reference diagram of the state when the composite sheet 4 is stacked, Figure 4 (b) is a reference diagram of the state where the composite sheet 4 is supported by the bristles 88. Figure 4 As shown in Figures 4(a) and 4(b), the composite sheet 4 consists of a bottom layer 84, a middle layer 85 and two peeling layers 86. The middle layer 85 is in a strip shape and is pasted to the middle position of the top surface of the bottom layer 84. The two peeling layers 86 are pasted to both sides of the top surface of the bottom layer 84. The ends of the two peeling layers 86 close to the middle layer 85 extend toward the middle layer 85 and cross-cover the top of the middle layer 85 from top to bottom. The composite sheet 4 is thick in the middle and thin at the soft edges on both sides. The peeling layers 86 on the top of the composite sheet 4 are prone to warping.

[0089] The following steps are also included:

[0090] S1, such as Figure 4 As shown in (b), the composite sheets 4 stacked in the silo 5 are separated by the bristles 88 of two gap-compensating flexible brushes 6, which support the soft edges on both sides of the composite sheets 4 and eliminate the displacement gap 87 of the soft edges on both sides, so that the composite sheets 4 are placed flatly in the silo 5.

[0091] S2, the material taking and discharging mechanism places the composite sheet 4 placed flat in the material bin 5 on the composite sheet conveying mechanism at a certain distance, and the composite sheet conveying mechanism conveys the composite sheet 4 to the die-cutting waste discharge knife seat 3.

[0092] S3, die-cutting the composite sheet 4 by means of the gap suction bottom roller 7 and the suction die-cutting knife roller 8 to obtain the die-cut outer frame waste sheet 10 and the Band-Aid 2.

[0093] S4, Fig.10 (a) is a reference diagram of the state of the composite sheet 4 during die cutting, and Fig.10 (b) is a reference diagram of the composite sheet 4 after die cutting. Fig.10 (a) and Fig.10As shown in (b), after die-cutting, the die-cutting frame waste sheet 10 is adsorbed on the suction die-cutting knife roller 8 and rotates with the suction die-cutting knife roller 8, and the waste paddle 12 covers the second suction holes 11 below the die-cutting frame waste sheet 10 in turn, and the second suction holes 11 below the die-cutting frame waste sheet 10 are successively invalidated, and the waste paddle 12 extends between the die-cutting frame waste sheet 10 and the suction die-cutting knife roller 8. With the rotation of the suction die-cutting knife roller 8, the waste paddle 12 quickly pushes the die-cutting frame waste sheet 10 away from the suction die-cutting knife roller 8, thereby completing the rapid waste discharge of the die-cutting frame waste sheet 10.

[0094] After die-cutting in S5, the intermittent suction of the intermittent suction bottom roller 7 is used to convey the band-aid 2 to the suction conveying mechanism, and the suction conveying mechanism conveys the band-aid 2 to the laminating mechanism.

[0095] S6, such as Fig.13 As shown, during the process of conveying the Band-Aid 2 by negative pressure suction, the peeling layer 86 on the top of the Band-Aid 2 is smoothed and slowly pressed down by the continuously advancing upper wrapping paper 13, and is finally neatly wrapped by the upper wrapping paper 13 and the lower wrapping paper 14, thus completing the packaging of the Band-Aid 2.

[0096] S7, the band-aid 2 is pulled by the upper wrapping paper 13 and the lower wrapping paper 14 to be transported to the heat-pressing knife seat 18, and the heat-pressing knife seat 18 performs heat-pressing and sealing treatment on the upper wrapping paper 13 and the lower wrapping paper 14.

[0097] S8, after the heat-pressing and sealing treatment, the adhesive bandage 2 enters the cutting knife seat 19, and the upper wrapping paper 13 and the lower wrapping paper 14 are cut by the cutting knife seat 19 to obtain a single sealed packaged adhesive bandage 2.

[0098] In summary, the invention solves the problems of composite sheet misalignment in the silo, inability to die-cut and discharge waste without traction on the bottom paper, and crooked Band-Aids due to warping of the edges during packaging, thereby enabling the equipment to realize the production and packaging of Band-Aids using composite sheets as raw materials.

[0099] The above description is only a preferred embodiment of the invention and is not intended to limit the invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the invention should be included in the protection scope of the invention.

Claims

1. Band-Aid production equipment, including a frame, characterized in that: Along the production direction of the band-aid, the frame is provided with an automatic feeding unit, a die-cutting waste discharge knife seat and a packaging unit; The automatic feeding unit comprises a silo for placing composite sheets, the silo is provided with two gap compensation flexible brushes for combing, flexibly supporting, adjusting the posture and dividing the composite sheets, a material taking and discharging mechanism is provided below the silo, and a composite sheet conveying mechanism for conveying the composite sheets to the die-cutting waste discharge knife seat is provided downstream of the material taking and discharging mechanism; The die-cutting waste discharge knife seat is provided with a gap suction bottom roller and a suction die-cutting knife roller for cooperating in die-cutting the composite sheet; the outer peripheral surface of the gap suction bottom roller is provided with a plurality of first suction holes for adsorbing the band-aid formed after die-cutting; the outer peripheral surface of the suction die-cutting knife roller is provided with a plurality of second suction holes for intermittently adsorbing the die-cutting outer frame waste sheet formed after die-cutting; and two waste stripping plates for stripping the die-cutting outer frame waste sheet adsorbed on the suction die-cutting knife roller are installed downstream of the die-cutting waste discharge knife seat; The packaging unit includes a bonding mechanism for bonding the upper packaging paper and the lower packaging paper to the top and bottom of the Band-Aid, the frame is provided with a first smoothing and de-pressing roller and a second smoothing and de-pressing roller for guiding the upper packaging paper, the axis of the first smoothing and de-pressing roller is higher than the axis of the second smoothing and de-pressing roller, the upper packaging paper forms a de-pressing angle between the first smoothing and de-pressing roller and the second smoothing and de-pressing roller for smoothing and pressing down the warped edge of the top of the Band-Aid, a suction conveying mechanism for conveying the Band-Aid is provided between the bonding mechanism and the die-cutting and waste discharge knife seat, and a hot pressing knife seat and a cutting knife seat are provided downstream of the bonding mechanism.

2. The band-aid production equipment according to claim 1, characterized in that: The two gap compensating flexible brushes are arranged opposite to each other, and the bristles on the two gap compensating flexible brushes are arranged horizontally and extend into the material bin to support the composite sheet. Each of the gap compensating flexible brushes is provided with a gravity compensation cavity for avoiding the thicker middle position on the composite sheet, and each of the gravity compensation cavity extends in the vertical direction.

3. The band-aid production equipment according to claim 1, characterized in that: The arc surface on the outer peripheral surface of the suction die-cutting knife roller, which is arranged opposite to the gap suction bottom roller, is the die-cutting arc surface. The downstream of the die-cutting arc surface is connected to an adsorption arc surface for adsorbing the waste sheet of the die-cutting outer frame. A waste guide plate is installed below the two waste pickers. The lower ends of the two waste pickers cover the second suction hole downstream of the adsorption arc surface, so that the waste sheet of the die-cutting outer frame is separated from the adsorption of the second suction hole and falls onto the waste guide plate.

4. The adhesive bandage production equipment according to claim 3, characterized in that: A plurality of die-cutting knife groups are evenly distributed on the outer circumferential surface of the suction die-cutting knife roller, and the second suction holes are arranged at both ends of the die-cutting knife group. Each of the die-cutting knife groups includes a plurality of die-cutting knives, and each of the die-cutting knife includes two integrally arranged arc-shaped end blades and two straight side blades, and the two ends of the two straight side blades are respectively connected to the ends of the corresponding two arc-shaped end blades, and the distances between adjacent die-cutting knives in each die-cutting knife group are equal.

5. The band-aid production equipment according to claim 1, characterized in that: The laminating mechanism comprises a laminating frame fixedly mounted on the frame, and a pressing plate for pressing and laminating the upper wrapping paper, the band-aid and the lower wrapping paper is fixedly mounted on the laminating frame.

6. The band-aid production equipment according to claim 1, characterized in that: The suction conveying mechanism includes a driving pulley and a driven pulley rotatably mounted on the frame, the driving pulley is transmission-connected with a first rotation driving device, a suction conveying belt is wound between the driving pulley and the driven pulley, a plurality of third suction holes are provided on the suction conveying belt, the first smoothing and pressure-relief roller and the second smoothing and pressure-relief roller are both rotatably mounted above the suction conveying belt, a suction groove is provided on the frame, the suction groove is provided between the driving pulley, the driven pulley and the suction conveying belt, the suction groove is connected to an air pump, and the position of the suction groove corresponds to the position of the third suction holes.

7. The band-aid production equipment according to claim 1, characterized in that: The silo is surrounded by a number of limit plates fixedly mounted on the frame, each of the limit plates is vertically arranged, a sheet material discharge port is arranged at the top of the silo, a sheet material taking port is arranged at the bottom of the silo, and a number of ball head screws are arranged at the sheet material taking port to prevent the composite sheet from automatically falling.

8. The adhesive bandage production equipment according to claim 7, characterized in that: The material picking and releasing mechanism includes a sliding seat mounted on the frame for sliding in a vertical direction, the sliding seat is transmission-connected with a linear drive mechanism, the sliding seat is rotatably mounted on a horizontally arranged rotating shaft, one end of the rotating shaft is fixedly mounted on a material picking seat, and at least a vertically arranged suction pipe is fixedly mounted on the material picking seat. The lower end of the suction pipe is connected to a suction cup for sucking the composite sheet at the sheet material taking port position, and the suction pipe is connected to an air pump, and a connecting arm is fixedly mounted on the other end of the rotating shaft, and a cam follower is rotatably mounted on the free end of the connecting arm, the axis of the cam follower is arranged parallel to the rotating shaft and is not coaxial, a mounting plate is fixedly mounted on the frame, a guide groove is arranged on the mounting plate, and the cam follower is constrained and installed in the guide groove, and the guide groove includes an upper linear groove, a middle flip groove and a lower linear groove which are continuously arranged together.

9. The production process of the band-aid production equipment according to any one of claims 1 to 8, characterized in that: The composite sheet is composed of a bottom layer, a middle layer and two peeling layers, the middle layer is in strip shape and is pasted on the middle position of the top surface of the bottom layer, the two peeling layers are pasted on both sides of the top surface of the bottom layer, the ends of the two peeling layers close to the middle layer both extend toward the middle layer and cross-cover the top of the middle layer up and down, the composite sheet is thick in the middle position and thin at the soft edges on both sides, and the peeling layer on the top of the composite sheet is easy to warp; The following steps are also included: S1, the composite sheets stacked in the silo are separated by the bristles of the two gap compensation flexible brushes, and at the same time, the soft edges on both sides of the composite sheets are supported to eliminate the displacement gap of the soft edges on both sides, and the composite sheets are placed flat in the silo; S2, the material taking and placing mechanism places the composite sheet placed flat in the material bin on the composite sheet conveying mechanism at a certain distance, and the composite sheet conveying mechanism conveys the composite sheet to the die-cutting waste discharge knife seat; S3, die-cutting the composite sheet by the gap suction bottom roller and the suction die-cutting knife roller to obtain the die-cut outer frame waste sheet and the Band-Aid; S4, after die-cutting, the die-cutting outer frame waste sheet is adsorbed on the suction die-cutting knife roller and rotates with the suction die-cutting knife roller, the waste paddle covers the second suction holes below the die-cutting outer frame waste sheet in turn, the second suction holes below the die-cutting outer frame waste sheet are invalidated in turn, the waste paddle extends between the die-cutting outer frame waste sheet and the suction die-cutting knife roller, and as the suction die-cutting knife roller rotates, the waste paddle quickly pushes the die-cutting outer frame waste sheet away from the suction die-cutting knife roller, thus completing the rapid waste discharge of the die-cutting outer frame waste sheet; S5 After die-cutting, the band-aid is conveyed to the suction conveying mechanism by using the intermittent suction of the gap suction bottom roller, and the suction conveying mechanism conveys the band-aid to the laminating mechanism; S6. During the process of conveying the Band-Aid by negative pressure suction, the peeling layer on the top of the Band-Aid is smoothed and slowly pressed down by the continuously advancing upper packaging paper, and is finally neatly wrapped by the upper packaging paper and the lower packaging paper, thus completing the packaging of the Band-Aid.

10. The production process of the band-aid production equipment according to any one of claim 9, characterized in that: After the band-aid is packaged, it undergoes the following steps: S7, the band-aid is pulled by the upper packaging paper and the lower packaging paper to the heat-pressing knife seat, and the upper packaging paper and the lower packaging paper are heat-pressed and sealed by the heat-pressing knife seat; S8, after the heat-pressing and sealing treatment, the band-aid enters the cutting knife seat, and the upper packaging paper and the lower packaging paper are cut by the cutting knife seat to obtain the band-aid in a single sealed package.

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