A kind of pearl cotton production equipment and process

Abstract

The invention discloses an EPE production device and a process thereof, belonging to the field of plastic processing. The device comprises a shell, a three-axis mobile platform arranged inside the shell, a workpiece suction part fixedly connected to the Z-axis mobile end of the three-axis mobile platform, two base bodies with one end extending into the shell and the other end extending out of the shell, and two feeding units connected inside the two base bodies; hot gas is fed into the EPE through a preheating and softening part to gradually soften the foaming structure of the EPE, thereby reducing the stress inside the material; and then a pair of hot pressing rollers are used to heat and level the upper surface of the EPE, so that the bonding surface of the EPE becomes flatter and can provide a larger contact area, which helps to ensure that the contact between the two pieces of EPE is closer, enhances the thermal contact effect, thereby improving the bonding strength, ensures that the bonded EPE is more stable during use, and reduces the peeling of the bonding surface caused by pressure, vibration and other factors.

Description

Technical Field

[0001] The invention relates to the field of plastic processing, and more specifically to a pearl cotton production device and a process thereof. Background Art

[0002] Pearl cotton, also commonly known as EPE (Expandable Polyethylene), is a plastic foam material made of polyethylene (PE) resin. The production process of pearl cotton includes extrusion, cooling, traction, cutting, bonding, etc. Pearl cotton bonding usually refers to the process of combining pearl cotton (i.e. polyethylene foam material) into a specific shape or structure in some way;

[0003] The existing bonding methods for pearl cotton include electric hot air blowing (a pearl cotton hot air bonding machine disclosed in the Chinese invention patent with the publication number CN109466068B adopts this method), electric hot plate ironing (a pearl cotton high-speed automatic bonding machine disclosed in the Chinese invention application patent with the publication number CN114571739A adopts this method) and glue bonding (for example, a pearl cotton processing automatic bonding device disclosed in the Chinese utility model patent with the publication number CN220923333U adopts this method);

[0004] Although the pearl cotton bonding equipment in the prior art can achieve the bonding of pearl cotton, in the pearl cotton production process, the foaming and compression steps may not be uniformly controlled, or the surface of the pearl cotton is not accurately cut during the processing, which will cause the surface of the pearl cotton to be uneven. The uneven surface will lead to a reduction in the contact area, and there may be a situation where the local bonding is strong and the local bonding is weak. This will make the strength of the bonding part inconsistent, increase the risk of falling off or loosening, and affect the stability and durability of the product. Summary of the invention

[0005] In view of the problems existing in the prior art, the object of the present invention is to provide an EPE production device and a process thereof.

[0006] To solve the above problems, the present invention adopts the following technical solutions.

[0007] A pearl cotton production device comprises a shell, a three-axis mobile platform arranged inside the shell, a workpiece suction part fixedly connected to the Z-axis mobile end of the three-axis mobile platform, two base bodies with one end extending into the shell and the other end extending from the shell, two feeding units connected inside the two base bodies, and a heating plate located between the two feeding units and fixedly connected to the shell.

[0008] One of the base bodies is externally connected with a leveling and lifting unit, and the leveling and lifting unit includes a shifting assembly fixedly connected to both sides of the outside of the base body, a frame body transmission-connected to the shifting assembly, a cylinder fixedly connected to the upper end of the frame body, two guide rods 2 movably plugged into the frame body, a plate body fixedly connected to the telescopic end of the cylinder and one end of the two guide rods 2, a hot pressing roller 1 rotatably connected to the lower end of the plate body, a motor 3 fixedly connected to one side of the plate body, and a preheating and softening part fixedly connected to the lower end of the plate body, and the output shaft of the motor 3 is fixedly connected to one end of the hot pressing roller 1;

[0009] The preheating and softening part includes a cover body fixedly connected to the lower end of the plate body, a nozzle fixedly connected to the inside of the plate body and extending into the cover body, a collecting cover fixedly connected to the inside of the cover body, and a heating element fixedly connected to the inner wall of the collecting cover, and the input end of the nozzle passes through the plate body and extends from the top.

[0010] Furthermore, the feeding unit includes a cavity opened inside the seat body, a sliding seat slidably connected to the cavity, a positioning plate fixed to the upper end of the sliding seat, a screw rod rotatably connected to the inside of the seat body and screwed in the sliding seat, a motor fixed to one side of the seat body, and the output shaft of the motor passes through the seat body and is fixed to the screw rod.

[0011] Furthermore, the displacement assembly includes two supports symmetrically fixed on both sides of the seat body, a guide rod 1 fixed inside one of the supports, a screw rod 2 rotatably connected to the inside of the other support, and a motor 2 fixed to one side of one of the supports, and the output shaft of the motor 2 passes through the support and is fixed to one end of the screw rod 2, the frame body is slidably connected to the two supports, the frame body is movably sleeved on the outside of the guide rod 1, and the screw rod 2 is threadedly connected to the inside of the frame body.

[0012] Furthermore, the lower end of the plate body is also connected to a permeation-assisting and softening component, and the permeation-assisting and softening component includes a synchronous wheel 1 and a synchronous wheel 2 rotatably connected to one side of the plate body, a synchronous belt connecting the synchronous wheel 1 and the synchronous wheel 2, a hot pressing roller 2 rotatably connected to the lower end of the plate body, and a microneedle fixed to the outer surface of the hot pressing roller 2, and the synchronous wheel 1 and the synchronous wheel 2 are respectively connected to the hot pressing roller 1 and the hot pressing roller 2.

[0013] Furthermore, a negative pressure suction chamber is opened inside one of the positioning plates, and a negative pressure suction interface connected to the negative pressure suction chamber is fixedly connected to one side of the positioning plate, and a mesh plate is fixedly connected to the opening of the negative pressure suction chamber.

[0014] Furthermore, the inner walls of the two cavities are symmetrically connected with two sliding strips, and the sliding seat is slidably connected to the sliding strips. The positioning plate with a negative pressure suction chamber is also connected to a viscosity-promoting heating component, and the viscosity-promoting heating component includes two movable seats symmetrically slidably connected to the inside of the positioning plate, two groups of extensions respectively fixed to the lower ends of the two movable seats, inclined surfaces opened on one side of the two groups of extensions, two hot air blowers respectively fixed to the inside of the two movable seats, and air outlets opened in the two movable seats. A sliding groove is opened inside the two sliding strips in one of the cavities, and two groups of inclined top flanges matching the two groups of extensions are fixedly connected to the inner wall of the sliding groove.

[0015] Furthermore, a plurality of air guide plates are connected to the inside of the air outlet, and one end of the plurality of air guide plates is rotatably connected to the inner wall of the air outlet, the other ends of the plurality of air guide plates are respectively fixedly connected to a plurality of sprockets, and one side of the plurality of sprockets is rotatably connected to the inner wall of the air outlet, the plurality of sprockets are connected by a chain belt, one side of the two movable seats is fixedly connected to a motor four, and the output shaft of the motor four passes through the movable seat and is fixedly connected to one of the sprockets inside the air outlet.

[0016] Furthermore, a surface activation component is connected between the two movable seats, and the surface activation component includes two horizontal plates whose ends are respectively fixed to the two movable seats, two movable cavities respectively opened inside the two horizontal plates, and two ultraviolet lamp groups connected inside the two movable cavities.

[0017] Furthermore, movable grooves are provided inside the two horizontal plates, and gear one and gear two meshing with gear one are rotatably connected in the movable grooves, the ultraviolet lamp group is rotatably connected in the movable cavity, and transmission rods are fixedly connected to both ends of gear two, the two transmission rods penetrate into two adjacent movable cavities and are fixedly connected to one end of the two ultraviolet lamp groups, and tooth keys meshing with gear one are provided on both sides of the positioning plate.

[0018] A pearl cotton production process comprises the following steps:

[0019] Step 1, connect the air pipe to the input end of the nozzle, put two pearl cottons into the positioning grooves in the two positioning plates respectively, the motor 2 works to drive the screw rod 2 to rotate so as to drive the frame to move, the frame drives the plate to move above one of the pearl cottons, the cylinder extends to drive the hot pressing roller 1, the hot pressing roller 2 and the cover to move and contact the upper surface of the pearl cotton, the motor 3 works to drive the hot pressing roller 1 to rotate, the hot pressing roller 1 rotates through the synchronous wheel 1 and the synchronous belt to drive the synchronous wheel 2 and the hot pressing roller 2 to rotate, the hot pressing roller 2 slightly heats the upper surface of the pearl cotton to soften or expand the surface of the pearl cotton slightly, and increase the porosity of the surface, and at the same time, the micro-needle on the outside of the hot pressing roller 2 performs micro-puncture on the upper surface of the pearl cotton to increase the channel for airflow to enter the interior, the gas ejected from the nozzle is heated by the heating element and then discharged from the collecting cover, blown into the interior of the pearl cotton from the upper surface of the pearl cotton, and then heated and leveled by the hot pressing roller 1 on the upper surface of the pearl cotton;

[0020] Step 2, the two motors work to drive the two slides to slide in the cavity, so that the two positioning plates and the pearl cotton inside the positioning plates move into the shell. When one of the positioning plates moves, the extensions at the bottom of the two movable seats inside the positioning plate contact the inclined top flanges inside the two slides with the slide grooves, and the inclined top flanges push the extensions and the movable seats upward. The hot air blower works to blow hot air out from the air outlet, and the hot air is guided by the air guide plate to the upper surface of the flattened pearl cotton.

[0021] Step 3, when the two movable seats are lifted upward, the two horizontal plates also rise with the movable seats. When the two horizontal plates rise, the gear 1 inside the horizontal plate contacts the tooth key. When the horizontal plate rises, the tooth key drives the gear 1 and the gear 2 to rotate in the movable groove. The rotation of the gear 2 drives the ultraviolet lamp group to rotate. When the horizontal plate is raised, the ultraviolet lamp group rotates and faces the edge of the upper surface of the pearl cotton.

[0022] Step 4, the three-axis mobile platform drives the workpiece suction part to move above another pearl cotton, the workpiece suction part sucks the other pearl cotton, the three-axis mobile platform moves the other pearl cotton to the top of the heating plate and descends, so that the bottom of the pearl cotton contacts the heating plate, the heating plate melts the bottom of the pearl cotton, and after melting, the three-axis mobile platform drives the melted pearl cotton to move above the leveled and ultraviolet-irradiated pearl cotton, so that the melted surface of the bottom of the pearl cotton contacts the upper surface of the leveled pearl cotton to achieve bonding.

[0023] Compared with the prior art, the present invention has the following beneficial effects:

[0024] (1) This scheme sets up a leveling and attaching unit, which sends hot gas into the pearl cotton through the preheating and softening part, so that the foaming structure of the pearl cotton gradually softens, reducing the stress inside the material, which helps the material to withstand external pressure more easily in the subsequent leveling process, thereby achieving a more uniform leveling effect, reducing the rebound or deformation caused by excessive stress, and making the surface of the pearl cotton smoother. Then, the upper surface of the pearl cotton is heated and leveled by a pair of hot pressing rollers. The bonding surface of the pearl cotton becomes smoother and can provide a larger contact area, which helps to ensure that the contact between the two pieces of pearl cotton is closer, enhance the thermal contact effect, thereby improving the bonding strength, ensuring that the bonded pearl cotton is more stable during use, and reducing the peeling of the bonding surface caused by pressure, vibration and other factors.

[0025] (2) This scheme sets up a permeation-assisting softening component. Before sending hot gas into the pearl cotton, the surface of the pearl cotton is slightly heated by the second hot pressing roller to soften or expand the surface of the pearl cotton slightly, thereby increasing the surface porosity. Then, the micro-needles on the outer surface of the second hot pressing roller are used to puncture micro holes on the upper surface of the pearl cotton to increase the channels for airflow to enter the interior. This can not only improve the permeability of the hot air flow, but also reduce the rebound or resistance of the air flow when passing through the surface, ensuring that the hot gas can quickly enter the interior of the pearl cotton, so that the hot gas can enter the interior of the pearl cotton more evenly and quickly.

[0026] (3) This scheme sets up a adhesion-promoting heating component, which lifts up the two movable seats through the inclined top flange, so that the hot air blower inside the two movable seats heats the upper surface of the leveled pearl cotton, making the top surface of the pearl cotton softer, so that when it contacts the bottom of the pearl cotton that has been heated and melted by the heating plate, it can more easily form a uniform bond, which helps to make the contact between the two pearl cottons closer, promote better melting and bonding, and reduce the temperature difference between the two pearl cottons. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0028] Figure 2 It is a schematic diagram of the structure of the feeding unit and the shifting assembly of the present invention;

[0029] Figure 3 It is a schematic diagram of the structure of the leveling and attaching unit of the present invention;

[0030] Figure 4 It is a schematic diagram of the structure of the penetration-assisting and softening component of the present invention;

[0031] Figure 5 It is a cross-sectional view of the preheating and softening portion of the present invention;

[0032] Figure 6It is a schematic diagram of the structure of the negative pressure suction chamber, the negative pressure suction interface, the slide groove and the inclined top flange of the present invention;

[0033] Figure 7 It is a schematic diagram of the structure of the adhesion promoting heating component of the present invention;

[0034] Figure 8 It is a schematic diagram of the air outlet and air guide plate structure of the present invention;

[0035] Fig. 9 It is a schematic diagram of the sprocket and chain belt structure of the present invention;

[0036] Fig.10 It is a schematic diagram of the structure of the surface activation component of the present invention;

[0037] Fig.11 It is a schematic diagram of the tooth key structure of the present invention;

[0038] Fig.12 For the present invention Fig.11 A schematic diagram of the enlarged structure in the middle.

[0039] Description of the numbers in the figure:

[0040] 1. Shell; 2. Three-axis moving platform; 3. Workpiece suction part; 4. Heating plate; 5. Feeding unit; 51. Cavity; 52. Slide; 53. Slide seat; 54. Screw rod 1; 55. Motor 1; 56. Positioning plate; 6. Leveling and lifting unit; 61. Shifting component; 611. Support; 612. Guide rod 1; 613. Screw rod 2; 614. Motor 2; 62. Frame; 63. Guide rod 2; 64. Cylinder; 65. Plate; 66. Hot pressing roller 1; 67. Motor 3; 68. Preheating and softening part; 681. Cover; 682. Injection head; 683. Heating element; 684. Collecting cover; 7. Infiltration softening component; 7 1. Synchronous wheel one; 72. Synchronous belt; 73. Synchronous wheel two; 74. Hot pressing roller two; 75. Microneedle; 8. Negative pressure suction chamber; 9. Negative pressure suction interface; 10. Adhesion promoting heating component; 101. Movable seat; 102. Hot air blower; 103. Extension; 104. Inclined surface; 105. Air outlet; 106. Air guide plate; 107. Motor four; 108. Sprocket; 109. Chain belt; 11. Slide; 12. Sloped top flange; 13. Surface activation component; 131. Cross plate; 132. Movable chamber; 133. Ultraviolet lamp group; 134. Movable slot; 135. Gear one; 136. Gear two; 137. Tooth key. DETAILED DESCRIPTION

[0041] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention; it is obvious that the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making creative work are within the scope of protection of the present invention.

[0042] See also Figures 1 to 12 A pearl cotton production device includes a shell 1, a three-axis mobile platform 2 arranged inside the shell 1, a workpiece suction part 3 fixedly connected to the Z-axis moving end of the three-axis mobile platform 2, two base bodies with one end extending into the shell 1 and the other end extending from the shell 1, two feeding units 5 connected inside the two base bodies, and a heating plate 4 located between the two feeding units 5 and fixedly connected to the inside of the shell 1.

[0043] One of the base bodies is externally connected with a leveling and lifting unit 6, and the leveling and lifting unit 6 includes a shifting assembly 61 fixedly connected to both sides of the outside of the base body, a frame body 62 transmission-connected to the shifting assembly 61, a cylinder 64 fixedly connected to the upper end of the frame body 62, two guide rods 63 movably plugged into the frame body 62, a plate body 65 fixedly connected to the telescopic end of the cylinder 64 and one end of the two guide rods 63, a hot pressing roller 66 rotatably connected to the lower end of the plate body 65, a motor 3 67 fixedly connected to one side of the plate body 65, and a preheating and softening part 68 fixedly connected to the lower end of the plate body 65, and the output shaft of the motor 3 67 is fixedly connected to one end of the hot pressing roller 66;

[0044] The preheating and softening part 68 includes a cover body 681 fixedly connected to the lower end of the plate body 65, a nozzle 682 fixedly connected to the inside of the plate body 65 and extending into the cover body 681, a collecting cover 684 fixedly connected to the inside of the cover body 681, and a heating element 683 fixedly connected to the inner wall of the collecting cover 684, and the input end of the nozzle 682 passes through the plate body 65 and extends from the top.

[0045] The feeding unit 5 includes a cavity 51 opened inside the seat body, a slide seat 53 slidably connected in the cavity 51, a positioning plate 56 fixedly connected to the upper end of the slide seat 53, a screw rod 54 rotatably connected to the inside of the seat body and screwed in the slide seat 53, and a motor 55 fixedly connected to one side of the seat body, and the output shaft of the motor 55 passes through the seat body and is fixedly connected to the screw rod 54.

[0046] The displacement assembly 61 includes two supports symmetrically fixed on both sides of the seat body, a guide rod 1 612 fixed inside one of the supports 611, a screw rod 2 613 rotatably connected to the inside of the other support 611, and a motor 2 614 fixed on one side of one of the supports 611, and the output shaft of the motor 2 614 passes through the support 611 and is fixed to one end of the screw rod 2 613, the frame body 62 is slidably connected in the two supports 611, the frame body 62 is movably sleeved on the outside of the guide rod 1 612, and the screw rod 2 613 is screwed inside the frame body 62.

[0047] By adopting the above technical solution, the input end of the air jet 682 is connected to the air pipe, and two pearl cottons are placed in the positioning grooves in the two positioning plates 56 respectively. The motor 2 614 drives the screw 2 613 to rotate, thereby driving the frame 62 to move, and the frame 62 drives the plate 65 to move above one of the pearl cottons. The cylinder 64 extends to drive the hot pressing roller 1 66 and the cover 681 to move and contact the upper surface of the pearl cotton. The gas ejected from the air jet 682 is heated by the heating element 683 and then discharged from the collecting cover 684 and blown into the interior of the pearl cotton from the upper surface of the pearl cotton, so that the water inside the pearl cotton evaporates and the stress inside the material is reduced, which is helpful for the subsequent In the continuous leveling process, the material can more easily withstand external pressure, thereby achieving a more uniform leveling effect, reducing rebound or deformation caused by excessive stress, making the surface of the pearl cotton smoother, and the motor three 67 drives the hot pressing roller 66 to rotate, and then the hot pressing roller 66 is used to heat and level the upper surface of the pearl cotton. The bonding surface of the pearl cotton becomes smoother and can provide a larger contact area, which helps to ensure that the contact between the two pieces of pearl cotton is closer, enhance the thermal contact effect, thereby improving the bonding strength, ensuring that the bonded pearl cotton is more stable during use, and reducing the peeling of the bonding surface caused by pressure, vibration and other factors.

[0048] like Figure 4 and Figure 6 As shown, the lower end of the plate body 65 is also connected to a permeation softening component 7, and the permeation softening component 7 includes a synchronous wheel 71 and a synchronous wheel 73 rotatably connected to one side of the plate body 65, a synchronous belt 72 connecting the synchronous wheel 71 and the synchronous wheel 73, a hot pressing roller 74 rotatably connected to the lower end of the plate body 65, and a microneedle 75 fixedly connected to the outer surface of the hot pressing roller 74. The synchronous wheel 71 and the synchronous wheel 73 are respectively connected to the hot pressing roller 66 and the hot pressing roller 74.

[0049] A negative pressure suction chamber 8 is provided inside one of the positioning plates 56 , and a negative pressure suction interface 9 connected to the negative pressure suction chamber 8 is fixedly connected to one side of the positioning plate 56 , and a mesh plate is fixedly connected to the opening of the negative pressure suction chamber 8 .

[0050] By adopting the above technical scheme, the hot pressing roller 1 66 rotates through the synchronous wheel 1 71 and the synchronous belt 72 to drive the synchronous wheel 2 73 and the hot pressing roller 2 74 to rotate, and the hot pressing roller 2 74 slightly heats the upper surface of the pearl cotton to slightly soften or expand the surface of the pearl cotton, thereby increasing the surface porosity. At the same time, the microneedles 75 outside the hot pressing roller 2 74 micro-puncture the upper surface of the pearl cotton to increase the channel for the airflow to enter the interior, which can not only improve the permeability of the hot air flow, but also reduce the rebound or resistance of the airflow when passing through the surface, thereby ensuring that the hot gas can quickly enter the interior of the pearl cotton, so that the hot gas can enter the interior of the pearl cotton more evenly and faster. The negative pressure suction interface 9 is externally connected to the negative pressure suction pipe, so that suction can be generated in the negative pressure suction chamber 8. By combining hot air blowing and air suction, the temperature and pressure can be evenly distributed, so that the bottom and top of the pearl cotton expand evenly, avoiding local excessive expansion or excessive contraction, and the hot air can be quickly conducted to the inside of the pearl cotton, so that it softens and expands more evenly. The bottom suction helps to discharge the gas, forming an air circulation, further promoting the uniform distribution of temperature and gas inside the pearl cotton, helping to form a uniform expansion effect on the surface and inside of the pearl cotton, preventing excessive local stress due to uneven expansion of the material, and improving the leveling effect.

[0051] like Figure 6-Figure 9 As shown, the inner walls of the two cavities 51 are symmetrically connected with two slide bars 52, and the slide seat 53 is slidably connected to the slide bar 52, and the positioning plate 56 with a negative pressure suction chamber 8 is also connected to a viscosity-promoting heating component 10, and the viscosity-promoting heating component 10 includes two movable seats 101 symmetrically slidably connected to the inside of the positioning plate 56, two groups of extensions 103 respectively fixed to the lower ends of the two movable seats 101, inclined surfaces 104 opened on one side of the two groups of extensions 103, two hot air blowers 102 respectively fixed to the inside of the two movable seats 101, and air outlets 105 opened in the inside of the two movable seats 101, and a slide groove 11 is opened inside the two slide bars 52 in one of the cavities 51, and the inner wall of the slide groove 11 is fixed with two groups of inclined top flanges 12 matching the two groups of extensions 103.

[0052] A plurality of air guide plates 106 are also connected to the inside of the air outlet 105, and one end of the plurality of air guide plates 106 is rotatably connected to the inner wall of the air outlet 105, and the other ends of the plurality of air guide plates 106 are respectively fixedly connected to a plurality of sprockets 108, and one side of the plurality of sprockets 108 is rotatably connected to the inner wall of the air outlet 105, and the plurality of sprockets 108 are connected by a chain belt 109, and a motor four 107 is fixedly connected to one side of the two movable seats 101, and the output shaft of the motor four 107 passes through the movable seat 101 and is fixedly connected to one of the sprockets 108 inside the air outlet 105.

[0053] By adopting the above technical solution, when one of the positioning plates 56 moves, the extensions 103 at the bottom of the two movable seats 101 inside the positioning plate 56 contact the inclined top flanges 12 inside the two slide bars 52 with the slide grooves 11, and the inclined top surface on one side of the inclined top flange 12 contacts the inclined surface 104 on one side of the extension 103. The inclined top flange 12 lifts the extension 103 and the movable seat 101 upward, and the hot air blower 102 works to blow hot air out from the air outlet 105. The hot air is guided by the air guide plate 106 to the upper surface of the leveled pearl cotton, so as to avoid poor bonding caused by temperature difference during bonding, and provide a stable contact environment for the other pearl cotton bonding surface. The operation of machine four 107 can drive the sprocket 108 to rotate, and the rotation of one of the sprockets 108 drives it and the sprocket 108 to rotate through the chain belt 109, so as to adjust the angle of the air guide plate 106, so that the hot air discharged from the air outlet 105 is adjusted and guided by the air guide plate 106 to blow to different areas of the upper surface of the pearl cotton, and the leveled upper surface of the pearl cotton is heated to make the top surface of the pearl cotton softer, so that when it contacts the bottom of the pearl cotton that has been heated and melted by the heating plate, it can more easily form a uniform bond, which helps to make the contact between the two pearl cottons closer, promote better melting and bonding, and reduce the temperature difference between the two pearl cottons.

[0054] like Figure 7 , Figure 10-12 As shown, a surface activation component 13 is also connected between the two movable seats 101, and the surface activation component 13 includes two horizontal plates 131 whose two ends are fixed to the two movable seats 101 respectively, two movable cavities 132 are respectively opened inside the two horizontal plates 131, and two ultraviolet lamp groups 133 connected inside the two movable cavities 132.

[0055] The two horizontal plates 131 are each provided with a movable groove 134, and a gear 135 and a gear 2 136 meshing with the gear 135 are rotatably connected in the movable groove 134. The ultraviolet lamp group 133 is rotatably connected in the movable cavity 132, and transmission rods are fixedly connected to both ends of the gear 2 136. The two transmission rods penetrate into two adjacent movable cavities 132 and are fixedly connected to one end of the two ultraviolet lamp groups 133. Tooth keys 137 meshing with the gear 135 are provided on both sides of the positioning plate 56.

[0056] By adopting the above technical solution, when the two movable seats 101 are lifted upward, the two horizontal plates 131 are also lifted along with the movable seats 101. When the two horizontal plates 131 are lifted, the gear 135 inside the horizontal plate 131 contacts the tooth key 137. When the horizontal plate 131 is lifted, the tooth key 137 drives the gear 135 and the gear 2 136 to rotate in the movable groove 134. The rotation of the gear 2 136 drives the ultraviolet lamp group 133 to rotate. When the horizontal plate 131 is lifted, the ultraviolet lamp group 133 rotates and faces the edge of the upper surface of the pearl cotton. The ultraviolet light irradiates the edge of the upper surface of the pearl cotton, breaks the chemical bonds between the molecules on the surface of the pearl cotton, generates free radicals, improves the adhesion of the material surface, and may also change the surface structure of the pearl cotton and increase the surface micro-roughness. This change in microstructure helps to increase the contact area, further improve the contact quality during the hot melt bonding process, and make the bonding stronger.

[0057] Usage: Step 1, connect the air pipe to the input end of the jet head 682, and put two pearl cottons into the positioning grooves in the two positioning plates 56 respectively. The motor 2 614 drives the screw 2 613 to rotate, thereby driving the frame 62 to move. The frame 62 drives the plate 65 to move above one of the pearl cottons. The cylinder 64 extends to drive the hot pressing roller 1 66, the hot pressing roller 2 74 and the cover 681 to move and contact the upper surface of the pearl cotton. The motor 3 67 drives the hot pressing roller 1 66 to rotate. The hot pressing roller 1 66 rotates through the synchronous wheel 1 71 and the synchronous belt 72 to drive the synchronous wheel 2 73 and the hot pressing roller 2 74 rotate, the hot pressing roller 2 74 slightly heats the upper surface of the pearl cotton to slightly soften or expand the surface of the pearl cotton, and increase the surface porosity. At the same time, the micro needle 75 outside the hot pressing roller 2 74 punctures micro holes on the upper surface of the pearl cotton to increase the channel for air flow to enter the interior. The gas ejected from the nozzle 682 is heated by the heating element 683 and then discharged from the collecting cover 684 from the upper surface of the pearl cotton to the interior of the pearl cotton, so that the water inside the pearl cotton evaporates and the stress inside the material is reduced. Then, the upper surface of the pearl cotton is heated and leveled by the hot pressing roller 1 66;

[0058] Step 2, the two motors 55 work to drive the two slide seats 53 to slide in the cavity 51, so that the two positioning plates 56 and the pearl cotton inside the positioning plates 56 move into the shell 1. When one of the positioning plates 56 moves, the extension 103 at the bottom of the two movable seats 101 inside the positioning plate 56 contacts the inclined top flange 12 inside the two slide bars 52 with the slide groove 11, and the inclined top flange 12 pushes the extension 103 and the movable seat 101 upward, and the hot air blower 102 works to blow hot air out from the air outlet 105. The hot air is guided by the air guide plate 106 to the upper surface of the leveled pearl cotton to avoid poor bonding caused by temperature difference during bonding, and provide a stable contact environment for the bonding surface of the other pearl cotton;

[0059] Step 3, when the two movable seats 101 are lifted upward, the two horizontal plates 131 are also lifted along with the movable seats 101, and when the two horizontal plates 131 are lifted, the gear 135 inside the horizontal plate 131 contacts the tooth key 137, and when the horizontal plate 131 is lifted, the tooth key 137 drives the gear 135 and the gear 2 136 to rotate in the movable groove 134, and the rotation of the gear 2 136 drives the ultraviolet lamp group 133 to rotate, and when the horizontal plate 131 is lifted, the ultraviolet lamp group 133 rotates and faces the edge of the upper surface of the pearl cotton, and irradiates the edge of the upper surface of the pearl cotton with ultraviolet light, breaks the chemical bonds between the molecules on the surface of the pearl cotton, generates free radicals, and improves the adhesion of the material surface;

[0060] Step 4, the three-axis mobile platform 2 drives the workpiece suction part 3 to move above another pearl cotton, the workpiece suction part 3 sucks the other pearl cotton, the three-axis mobile platform 2 moves the other pearl cotton to the top of the heating plate 4 and descends, so that the bottom of the pearl cotton contacts the heating plate 4, the heating plate 4 melts the bottom of the pearl cotton, and after melting, the three-axis mobile platform 2 drives the melted pearl cotton to move above the leveled and ultraviolet-irradiated pearl cotton, so that the melted surface of the bottom of the pearl cotton contacts the upper surface of the leveled pearl cotton to achieve bonding.

[0061] The above is only a preferred specific implementation of the present invention; however, the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solution and its improved conception within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A pearl cotton production device, comprising a housing (1), a three-axis movable platform (2) arranged inside the housing (1), a workpiece suction portion (3) fixedly connected to the Z-axis movable end of the three-axis movable platform (2), two base bodies with one end extending into the housing (1) and the other end extending from the housing (1), two feeding units (5) connected inside the two base bodies, and a heating plate (4) located between the two feeding units (5) and fixedly connected to the inside of the housing (1), characterized in that: One of the base bodies is externally connected to a leveling and lifting unit (6), and the leveling and lifting unit (6) comprises a shifting assembly (61) fixedly connected to both sides of the outside of the base body, a frame body (62) drivingly connected to the shifting assembly (61), a cylinder (64) fixedly connected to the upper end of the frame body (62), two guide rods (63) movably plugged into the frame body (62), a plate body (65) fixedly connected to the telescopic end of the cylinder (64) and one end of the two guide rods (63), a hot pressing roller (66) rotatably connected to the lower end of the plate body (65), a motor (67) fixedly connected to one side of the plate body (65), and a preheating and softening portion (68) fixedly connected to the lower end of the plate body (65), and the output shaft of the motor (67) is fixedly connected to one end of the hot pressing roller (66); The preheating and softening section (68) comprises a cover body (681) fixedly connected to the lower end of the plate body (65), an air jet head (682) fixedly connected to the inside of the plate body (65) and extending into the cover body (681), a current collecting cover (684) fixedly connected to the inside of the cover body (681), and a heating element (683) fixedly connected to the inner wall of the current collecting cover (684), wherein the input end of the air jet head (682) passes through the plate body (65) and extends out from the top; The feeding unit (5) comprises a cavity (51) opened inside the seat body, a slide seat (53) slidably connected in the cavity (51), a positioning plate (56) fixedly connected to the upper end of the slide seat (53), a screw rod (54) rotatably connected to the inside of the seat body and screwed into the slide seat (53), and a motor (55) fixedly connected to one side of the seat body, wherein the output shaft of the motor (55) passes through the seat body and is fixedly connected to the screw rod (54); The lower end of the plate body (65) is also connected to a permeation-assisting and softening assembly (7), and the permeation-assisting and softening assembly (7) comprises a synchronous wheel 1 (71) and a synchronous wheel 2 (73) rotatably connected to one side of the plate body (65), a synchronous belt (72) connecting the synchronous wheel 1 (71) and the synchronous wheel 2 (73), a hot pressing roller 2 (74) rotatably connected to the lower end of the plate body (65), and a microneedle (75) fixedly connected to the outer surface of the hot pressing roller 2 (74), wherein the synchronous wheel 1 (71) and the synchronous wheel 2 (73) are respectively connected to the hot pressing roller 1 (66) and the hot pressing roller 2 (74); A negative pressure suction chamber (8) is provided inside one of the positioning plates (56), and a negative pressure suction interface (9) connected to the negative pressure suction chamber (8) is fixedly connected to one side of the positioning plate (56), and a mesh plate is fixedly connected to the opening of the negative pressure suction chamber (8).

2. A pearl cotton production equipment according to claim 1, characterized in that: The displacement assembly (61) comprises two supports (611) symmetrically fixed on both sides of the seat body, a guide rod (612) fixed inside one of the supports (611), a screw rod (613) rotatably connected inside the other support (611), and a motor (614) fixed on one side of one of the supports (611), wherein the output shaft of the motor (614) passes through the support (611) and is fixed to one end of the screw rod (613), the frame (62) is slidably connected in the two supports (611), the frame (62) is movably sleeved on the outside of the guide rod (612), and the screw rod (613) is screwed inside the frame (62).

3. A pearl cotton production equipment according to claim 2, characterized in that: The inner walls of the two cavities (51) are symmetrically connected with two slide bars (52), and the slide seat (53) is slidably connected to the slide bar (52). The positioning plate (56) provided with a negative pressure suction chamber (8) is also connected with a viscosity-promoting heating component (10), and the viscosity-promoting heating component (10) includes two movable seats (101) symmetrically slidably connected to the inside of the positioning plate (56), two groups of extensions (103) respectively fixed to the lower ends of the two movable seats (101), inclined surfaces (104) opened on one side of the two groups of extensions (103), two hot air blowers (102) respectively fixed to the inside of the two movable seats (101), and air outlets (105) opened in the inside of the two movable seats (101), wherein the two slide bars (52) in one of the cavities (51) are provided with a slide groove (11), and the inner wall of the slide groove (11) is fixed with two groups of inclined top flanges (12) matching the two groups of extensions (103).

4. A pearl cotton production equipment according to claim 3, characterized in that: The air outlet (105) is also connected to a plurality of air guide plates (106) inside, and one end of the plurality of air guide plates (106) is rotatably connected to the inner wall of the air outlet (105), and the other ends of the plurality of air guide plates (106) are respectively fixedly connected to a plurality of sprockets (108), and one side of the plurality of sprockets (108) is rotatably connected to the inner wall of the air outlet (105), and the plurality of sprockets (108) are connected via a chain belt (109), and one side of the two movable seats (101) is fixedly connected to a motor four (107), and the output shaft of the motor four (107) passes through the movable seat (101) and is fixedly connected to one of the sprockets (108) inside the air outlet (105).

5. A pearl cotton production equipment according to claim 4, characterized in that: A surface activation component (13) is also connected between the two movable seats (101), and the surface activation component (13) comprises two transverse plates (131) whose two ends are respectively fixed to the two movable seats (101), two movable cavities (132) respectively opened inside the two transverse plates (131), and two ultraviolet lamp groups (133) connected inside the two movable cavities (132).

6. A pearl cotton production equipment according to claim 5, characterized in that: The two horizontal plates (131) are each provided with a movable groove (134), and a gear 1 (135) and a gear 2 (136) meshing with the gear 1 (135) are rotatably connected in the movable groove (134). The ultraviolet lamp assembly (133) is rotatably connected in the movable cavity (132), and transmission rods are fixedly connected at both ends of the gear 2 (136). The two transmission rods penetrate into two adjacent movable cavities (132) and are fixedly connected to one end of the two ultraviolet lamp assemblies (133). Both sides of the positioning plate (56) are provided with tooth keys (137) meshing with the gear 1 (135).

7. A pearl cotton production process, based on the pearl cotton production equipment of claim 6, characterized in that: The following steps are included: Step 1, connect the input end of the nozzle (682) to an air pipe, place two pearl cottons in the positioning grooves of the two positioning plates (56), respectively, drive the second motor (614) to rotate the second screw rod (613) to drive the frame (62) to move, the frame (62) drives the plate (65) to move above one of the pearl cottons, the cylinder (64) extends to drive the hot pressing roller 1 (66), the second hot pressing roller (74) and the cover (681) to move and contact the upper surface of the pearl cotton, the third motor (67) drives the first hot pressing roller (66) to rotate, the first hot pressing roller (66) rotates through the synchronous wheel ( The synchronous wheel (71) and the synchronous belt (72) drive the synchronous wheel (73) and the hot pressing roller (74) to rotate, and the hot pressing roller (74) slightly heats the upper surface of the pearl cotton to soften or expand the surface of the pearl cotton, thereby increasing the surface porosity. At the same time, the micro needles (75) outside the hot pressing roller (74) pierce the upper surface of the pearl cotton to increase the channel for air flow to enter the interior. The gas ejected from the nozzle (682) is heated by the heating element (683) and then discharged from the collecting cover (684) and blown from the upper surface of the pearl cotton into the interior of the pearl cotton, and then heated and leveled by the hot pressing roller (66); Step 2, two motors (55) work to drive two slide seats (53) to slide in the cavity (51), so that two positioning plates (56) and the pearl cotton inside the positioning plates (56) move into the shell (1), when one of the positioning plates (56) moves, the extensions (103) at the bottom of the two movable seats (101) inside the positioning plate (56) contact the inclined top flanges (12) inside the two slide bars (52) with the slide grooves (11), the inclined top flanges (12) push the extensions (103) and the movable seats (101) upward, the hot air blower (102) works to blow hot air out from the air outlet (105), and the hot air is guided by the air guide plate (106) to blow toward the flattened upper surface of the pearl cotton; Step 3, when the two movable seats (101) are lifted upward, the two horizontal plates (131) are also lifted along with the movable seats (101). When the two horizontal plates (131) are lifted, the gear 1 (135) inside the horizontal plate (131) contacts the tooth key (137). When the horizontal plate (131) is lifted, the tooth key (137) drives the gear 1 (135) and the gear 2 (136) to rotate in the movable groove (134). The rotation of the gear 2 (136) drives the ultraviolet lamp group (133) to rotate. When the horizontal plate (131) is lifted completely, the ultraviolet lamp group (133) is fully rotated and faces the edge of the upper surface of the pearl cotton. Step 4, the three-axis mobile platform (2) drives the workpiece suction part (3) to move to the top of another pearl cotton, the workpiece suction part (3) sucks the other pearl cotton, the three-axis mobile platform (2) moves the other pearl cotton to the top of the heating plate (4) and descends, so that the bottom of the pearl cotton contacts the heating plate (4), the heating plate (4) melts the bottom of the pearl cotton, and after melting, the three-axis mobile platform (2) drives the melted pearl cotton to move to the top of the leveled and ultraviolet irradiated pearl cotton, so that the melted surface of the bottom of the pearl cotton contacts the upper surface of the leveled pearl cotton to achieve bonding.

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