Continuous feeding mechanism for cartons

Abstract

The utility model provides a carton continuous feeding mechanism which comprises a machine frame, a feeding mechanism is arranged at one end of the machine frame, and the feeding mechanism comprises a conveying module, a feeding machine frame, a lifting device, a bearing device and a feeding device. The conveying module is located at one end of the machine frame, the output end of the conveying module is located at the lower end of the feeding machine frame or on one side of the feeding machine frame, a feeding space is formed in the feeding machine frame, the feeding device is arranged on the machine frame and located above the feeding machine frame, and a bearing device is arranged on the feeding machine frame and located at the upper end of the feeding machine frame. The lifting device is arranged on the rack and extends into the feeding space; the bearing device comprises a driving assembly and a bearing part, an open groove extending up and down is formed in the upper end of the feeding rack, the driving assembly is arranged on the feeding rack, and the bearing part is arranged on the driving assembly and can penetrate through the open groove in a swinging mode; by means of the structure, continuous feeding can be achieved during carton conveying, and the carton feeding efficiency is higher.

Description

Technical Field

[0001] The utility model relates to the technical field of feeding equipment, in particular to a continuous carton feeding mechanism. Background Art

[0002] The existing carton feeding method often still relies on manual feeding, resulting in low efficiency. After the cartons are used up in the existing carton feeding mechanism, it is necessary to wait for manual feeding to complete before continuing to feed, leading to the stagnation of subsequent processes. How to achieve the automation of carton feeding and maintain its continuity has become an urgent problem for those skilled in the art. For example, in the patent document with the Chinese patent application number 201911191973.7 and the publication date of February 25, 2020, it discloses a carton feeding device and method. The device includes: a feeding mechanism, one end of the feeding mechanism is the feeding end, and the other end is the picking end. The feeding mechanism includes a first conveyor belt and a second conveyor belt. Feeding baskets are arranged on both the first conveyor belt and the second conveyor belt. Carton detection sensors are arranged at the picking ends of the first conveyor belt and the second conveyor belt, and in-position sensors are arranged at both ends of the first conveyor belt and the second conveyor belt; a picking mechanism, which is arranged on one side of the picking end. The picking mechanism includes a lifting component, a rotating component, and a vacuum suction cup component. The rotating component is in transmission connection with the lifting component, and the vacuum suction cup component is in transmission connection with the rotating component. The vacuum suction cup component sucks the cartons from the feeding basket. By setting a double-layer feeding mechanism and performing the switching between the upper and lower layers, it can ensure that there is always material in one of the layers, realizing the automation and continuity of the feeding process.

[0003] For the feeding mechanism in this document, by setting a double-layer conveyor belt, the switching between the upper and lower layers can be achieved. However, for this structure, when placing the cartons on the conveyor belt, the cartons need to be placed at different height positions respectively, which makes the preparatory work for carton feeding cumbersome. At the same time, by setting a double-layer conveyor belt, when there are no cartons on one of the conveyor belts, the picking mechanism needs to first move to the other conveyor belt to continue the conveyance of the cartons, which makes the operation complex and is not conducive to the efficient feeding of cartons. Summary of the Invention

[0004] The utility model provides a continuous carton feeding mechanism, enabling the uninterrupted continuous feeding of cartons and achieving higher feeding efficiency of cartons.

[0005] To achieve the above object, the utility model provides a continuous carton feeding mechanism, which includes a frame. A feeding mechanism is provided at one end of the frame. The feeding mechanism includes a conveying module, a feeding frame, a lifting device, a supporting device and a feeding device. The conveying module is located at one end of the frame, and the output end of the conveying module is located at the lower end or one side of the feeding frame. There is a feeding space inside the feeding frame. The feeding device is arranged on the frame and above the feeding frame. A supporting device is arranged at the upper end of the feeding frame. The lifting device is arranged on the frame and extends into the feeding space. The supporting device includes a driving component and a supporting member. A vertically extending slot is opened at the upper end of the feeding frame. The driving component is arranged on the feeding frame, and the supporting member is arranged on the driving component and can swing through the slot.

[0006] In the above structure, the stacked cartons are placed on the conveying module, and the stacked cartons are conveyed forward by the conveying module. Before the stacked cartons reach inside the feeding frame, the lifting device is located below the conveying module. As the stacked cartons enter the feeding frame, the stacked cartons entering the feeding frame are lifted by the lifting device. At the same time, the feeding device is started, and the feeding device takes away the topmost carton of the stacked cartons entering the feeding frame one by one. Each time the feeding device takes away a carton, the stacked cartons entering the feeding frame are lifted by the lifting device by a height equal to the thickness of one carton. During the process of the stacked cartons entering the feeding frame being lifted by the lifting device, the stacked cartons entering the feeding frame squeeze the supporting member, causing the supporting member to swing outside the side wall of the stacked cartons entering the feeding frame, facilitating the stacked cartons entering the feeding frame to rise without being interfered by the supporting member. When the bottommost carton of the cartons entering the feeding frame passes over the supporting member, the supporting member swings into the feeding space, supports the stacked cartons through the supporting member, and drives the supporting member to move upward through the driving component. The supporting member drives the stacked cartons to move upward and cooperates with the feeding device to take away the cartons. After the supporting member supports the stacked cartons, the lifting device moves downward to the original position, and then the next stack of cartons enters the lifting device. During the upward movement of the previous stack of cartons in the feeding frame, the next stack of cartons is lifted by the lifting device at the same time. After the previous stack of cartons in the feeding frame is completely taken away by the feeding device, the supporting member is reset through the driving component. At the same time, the topmost carton of the next stack of cartons also reaches the carton-taking position of the feeding device. In this way, continuous feeding of cartons is realized, so the feeding efficiency of cartons is high.

[0007] Further, the conveying module includes a conveying frame, a conveyor belt frame and a conveyor belt mechanism. The conveyor belt frame is arranged on the conveying frame, the conveyor belt mechanism is arranged on the conveyor belt frame, and the upper end of the conveyor belt mechanism protrudes from the conveyor belt frame. With this structure, the stacked cartons can be driven forward by the conveyor belt mechanism.

[0008] Further, the conveyor belt mechanism includes a conveying drive, a driving pulley, a driven pulley and a conveyor belt. The conveying drive is arranged on the conveyor belt frame. The driving pulley is arranged at one end of the conveyor belt frame. The output end of the conveying drive is connected to the driving pulley. The driven pulley is arranged at the other end of the conveyor belt frame. The conveyor belt is sleeved between the driving pulley and the driven pulley. The upper surface of the conveyor belt protrudes from the upper surface of the conveyor belt frame. With this structure, the conveying drive drives the driving pulley to rotate, and the driving pulley drives the conveyor belt to move. Since the upper surface of the conveyor belt protrudes from the upper surface of the conveyor belt frame, it can ensure that the bottommost carton of the stacked cartons can contact the conveyor belt, so as to reliably convey the stacked cartons.

[0009] Further, there are two or more conveyor belt frames, and there is a gap between adjacent conveyor belt frames.

[0010] Further, the lifting device includes a lifting drive module and a lifting rod. There is one or more lifting rods arranged on the lifting drive module. The lifting rod is located inside the feeding rack, and the lifting drive module drives the lifting rod to move up and down. With the above settings, the lifting drive module drives the lifting rod to move up and down, so as to drive the stacked cartons to move upward and enable the lifting rod to reset.

[0011] Further, the supporting member includes a supporting plate and an elastic plate. The lower end of the elastic plate is connected to the driving component. At the other end of the elastic plate, there is a horizontally extending supporting plate. The elastic plate is inclined and extends upward from the lower end to the center direction of the feeding rack. With the above settings, the supporting plate is provided to facilitate the support of the carton. At the same time, the elastic plate is provided so that the carton can compress the supporting plate while being lifted, facilitating the lifting of the carton over the supporting plate.

[0012] Further, the supporting member includes a guiding plate and a supporting plate. The lower end of the guiding plate is hinged to the driving component. The guiding plate is inclined and extends upward from the lower end to the center direction of the feeding rack. The supporting plate is connected to the upper end of the guiding plate and extends horizontally. With this structure, since the guiding plate is inclined and the lower end of the guiding plate is hinged to the driving component, when there is no extrusion of the stacked cartons, the supporting member will swing inward under its own gravity. When there is extrusion of the stacked cartons, the supporting member will swing outward, allowing the stacked cartons to be lifted smoothly.

[0013] Further, the driving assembly includes a driving motor, a driving connecting plate, a driving lead screw, a driving slider and a driving guide rail. The driving motor is arranged on the loading rack. A driving lead screw is provided on the driving shaft of the driving motor. A driving guide rail is arranged on the loading rack. The driving connecting plate is slidably arranged on the driving guide rail. A driving slider is provided on the driving lead screw. The driving lead screw is threadedly connected with the driving slider. The driving slider is connected with the driving connecting plate. An elastic plate is arranged on the driving connecting plate. The other end of the elastic plate extends into the loading rack. With the above settings, the driving motor drives the driving lead screw to rotate, so as to drive the driving slider arranged on the driving lead screw to move up and down, thereby enabling the height of the supporting plate to be driven according to the position of the topmost carton in the stacked cartons, so that the carton opening device can continuously obtain cartons.

[0014] Further, the feeding device includes a lateral feeding drive, a fixing plate, a vertical feeding drive, a suction cup seat and suction cups. The lateral feeding drive is arranged on the rack. The fixing plate is arranged at the output end of the lateral feeding drive. The vertical feeding drive is arranged on the fixing plate. The suction cup seat is arranged at the output end of the vertical feeding drive. The suction cups are arranged on the suction cup seat. With this structure, the vertical feeding drive drives the suction cups to move up and down, facilitating the suction of the cartons in the loading rack. The lateral feeding drive drives the suction cups to move back and forth to realize the forward conveying of the adsorbed cartons. Description of the Drawings

[0015] Figure 1 It is a schematic structural diagram of the present utility model.

[0016] Figure 2 It is a schematic diagram of the conveying roller group.

[0017] Figure 3 It is a schematic diagram of the conveying module.

[0018] Figure 4 It is a schematic diagram of the conveyor belt mechanism.

[0019] Figure 5 It is Figure 1 an enlarged view of part A in

[0020] Figure 6 It is Figure 5 an enlarged view of part C in

[0021] Figure 7 It is Figure 5 an enlarged view of part B in

[0022] Figure 8 It is a schematic structural diagram of the elastic supporting member of the present utility model.

[0023] Figure 9 It is Figure 1 an enlarged view of D in Detailed Embodiments

[0024] The present utility model will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0025] As Figure 1 shown, a continuous carton feeding mechanism includes a frame 1, a conveying module 2, a feeding frame 3, a lifting device 4, a supporting device 5 and a feeding device 6. The conveying module 2 is located at one end of the frame 1, and the output end of the conveying module 2 is located at the lower end or one side of the feeding frame 3. The feeding device 5 is arranged on the frame and above the feeding frame 3. A supporting device is provided at the upper end of the feeding frame. The lifting device is arranged on the frame and extends into the feeding space.

[0026] In the present utility model, the cartons involved in the feeding mechanism are all unopened cartons 100.

[0027] As Figure 1 and Figure 2 shown, one or more sets of conveying roller groups 7 are provided on one side of the upper end of the frame 1. Each set of conveying roller groups includes two conveying rollers 71 arranged vertically, and the conveying rollers 71 are driven by a servo motor. When the carton 100 is fed into the conveying roller group through the feeding device 6, the carton is conveyed forward by the conveying roller group.

[0028] As Figure 1 and Figure 3 shown, the conveying module 2 includes a conveying frame 21, a conveyor belt frame 22 and a conveyor belt mechanism 23. Support feet 20 are provided at the bottom of the conveying frame 21. In this embodiment, two or more mutually parallel conveyor belt frames 22 are provided on the conveying frame 21, and there is a gap 24 between adjacent conveyor belt frames 22. As Figure 4 shown, the conveyor belt mechanism 23 includes a conveying drive (not shown in the figure), a driving pulley 231, a driven pulley 232 and a conveyor belt 233. In this embodiment, the conveying drive is a motor, the conveying drive is arranged on the conveyor belt frame 22, the driving pulley 231 is arranged at one end of the conveyor belt frame 22 through a bearing, the output end of the conveying drive is connected to the driving pulley 231, the driven pulley 232 is arranged at the other end of the conveyor belt frame 22 through a bearing, the conveyor belt 233 is sleeved between the driving pulley 231 and the driven pulley 232, and the upper surface of the conveyor belt 233 protrudes from the upper surface of the conveyor belt frame 22. With this structure, the conveying drive drives the driving pulley 231 to rotate, and the driving pulley 231 drives the conveyor belt 233 to move. Since the upper surface of the conveyor belt 233 protrudes from the upper surface of the conveyor belt frame 22, it can ensure that the bottom carton of the stacked cartons can contact the conveyor belt, so as to reliably convey the stacked cartons. A side baffle 25 is provided at the end of the conveying frame 21 away from the feeding frame 3, and a rear baffle 26 is provided at the rear side of the conveying frame 21. The side baffle 25 and the rear baffle 26 are convenient for resisting the stacked cartons.

[0029] As Figure 5 shown, the loading rack 3 includes a loading base frame 31 and two side plates 32 arranged on the loading base frame 31. A loading space 33 is formed between the two side plates 32. A vertically extending slot 34 is opened at the upper end of the side plates 32, and the number of slots 34 is the same as the number of supporting members.

[0030] As Figure 1 and Figure 5 shown, the lifting device 4 includes a lifting drive module and a lifting rod 42. The lifting drive module includes two sets of lifting drives and a lifting frame 414. Lifting drives are respectively arranged on both sides of the rack 1. The lifting drive includes a drive motor 411, a driving sprocket (not shown in the figure), a driven sprocket 412 and a chain 413. The drive motor 411 is installed on the rack 1. The drive motor 411 is connected with the driving sprocket through a speed reducer. The driven sprocket 412 is arranged at the upper end of the rack 1 through a shaft and bearings. The chain 413 is sleeved between the driving sprocket and the driven sprocket. The lifting frame 414 is slidably arranged on the rack 1 through sliders and guide rails. The lifting frame 414 is connected with the two chains. One end of the lifting rod 42 is connected to the lifting frame 414, and the lifting rod 42 extends into the loading space. In this embodiment, a plurality of lifting rods are arranged in parallel. Specifically, the number of lifting rods is the number of gaps 24 plus 2. In this way, if the conveyor belt frame 22 extends into the loading space, the lifting rods can enter the gaps and the outside of the outermost conveyor belt frame 23 to avoid mutual interference. With this structure, when the drive motor 411 works, the drive motor 411 drives the driving sprocket to rotate through the speed reducer, and the driving sprocket drives the chain 413 to move, so as to drive the lifting frame 414 to move up and down, and finally drive the lifting rod 42 to move up and down, realizing the lifting of the stacked cartons and the reset of the lifting rod.

[0031] The supporting device 5 includes a driving component 51 and a supporting member 52. The supporting device 5 is arranged on each side plate 32.

[0032] As Figure 6As shown in the figure, the driving assembly 51 includes a driving motor 511, a driving connecting plate 512, a driving lead screw 513, a driving slider 514 and a driving guide rail 515. The driving motor 511 is arranged on the outer side of the side plate 32. A driving lead screw 513 is provided on the driving shaft of the driving motor 511. A driving guide rail 515 is provided on the outer side surface of the side plate 32. The driving connecting plate 512 is slidably arranged on the driving guide rail 515. A driving slider 514 is provided on the driving lead screw 513. The driving lead screw 513 is threadedly connected to the driving slider 514. The driving slider 514 is connected to the driving connecting plate 512. A supporting member 52 is provided on the driving connecting plate 512. By driving the driving motor 511 to drive the driving lead screw 513 to rotate, the driving slider 514 arranged on the driving lead screw 513 can be driven to move up and down, so that the height of the supporting member 52 can be driven according to the position of the topmost carton in the stacked cartons, enabling the feeding device to continuously obtain cartons.

[0033] As Figure 7 and Figure 8 shown in the figure, the supporting member 52 includes a supporting plate 521 and an elastic plate 522. The lower end of the elastic plate 522 is connected to the driving connecting plate 512. A horizontally extending supporting plate 521 is provided at the other end of the elastic plate 522. The elastic plate 522 is formed by inclining and extending upward from the lower end to the upper end in the direction of the center of the feeding rack. The supporting member 52 can pass through the slot 34 and protrude inward from the slot 34. When the stacked cartons enter the feeding space, the topmost carton of the stacked cartons entering the feeding space 33 is lower than the original position of the supporting member 52. In this embodiment, the original position of the supporting member 52 refers to the position where the supporting member 52 moves to the lower end of the slot. When the stacked cartons entering the feeding space 33 are lifted by the lifting device 4, under the extrusion of the rising stacked cartons, through the guiding of the inclined elastic plate 522, the elastic plate 522 is elastically deformed, causing the supporting plate 521 to move outward, so that the stacked cartons can rise smoothly.

[0034] The supporting member 52 is another structure of the present invention. As Figure 6As shown in the figure, the supporting member 52 includes a guiding plate 523 and a supporting plate 521. The lower end of the guiding plate 523 has a connecting portion 524 that bends and extends outward. The connecting portion 524 is hinged to the driving connecting plate 512. The guiding plate 523 is inclined from the lower end to the upper end in the direction of the center of the feeding rack and extends upward. The supporting plate is connected to the upper end of the guiding plate 521 and extends horizontally. The supporting member 52 can pass through the slotted opening 34 and project inward from the slotted opening 34. When the stacked cartons enter the feeding space, the topmost carton of the stacked cartons entering the feeding space 33 is lower than the original position of the supporting member 52. In this embodiment, the original position of the supporting member 52 refers to the position where the supporting member 52 moves to the lower end of the slotted opening. When the stacked cartons entering the feeding space 33 are lifted by the lifting device 4, under the extrusion of the ascending stacked cartons, through the guiding of the inclined guiding plate 523, the guiding plate 523 is urged to swing outward, causing the supporting plate 521 to move outward, so that the stacked cartons can rise smoothly.

[0035] As Figure 9 shown in the figure, a feeding device 6 is further provided on the rack 1 above the feeding rack 20. The feeding device 6 includes a lateral feeding drive 61, a fixing plate 62, a vertical feeding drive 63, a suction cup seat 64, and a suction cup 65. The lateral feeding drive is a cylinder. The lateral feeding drive 61 is arranged on the rack 1. The fixing plate 62 is arranged at the output end of the lateral feeding drive 61. A guide rod 66 is arranged on the fixing plate 62. The guide rod 66 slides through the rack 1. In this way, it can play a guiding role in the movement of the fixing plate 62. The vertical feeding drive 63 is a cylinder. The vertical feeding drive 63 is arranged on the fixing plate 62. The suction cup seat 64 is arranged at the output end of the vertical feeding drive 63. The suction cup 65 is arranged on the suction cup seat 64. The vertical feeding drive drives the suction cup to move up and down, facilitating the suction of the cartons in the feeding rack. The lateral feeding drive drives the suction cup to move back and forth, realizing the forward transportation of the already adsorbed cartons.

[0036] In the structure of this embodiment, the stacked cartons are placed on the conveying module, and the stacked cartons are conveyed forward by the conveying module. During the conveying of the cartons, "forward" refers to the front of the moving direction in which the cartons are transported. Before the stacked cartons reach inside the feeding rack, the lifting rod is located below the conveying module. After the stacked cartons enter the feeding rack, the lifting rod is driven to move by the lifting drive module, and the lifting rod lifts the stacked cartons that enter the feeding rack. After the stacked cartons enter the feeding space and before the lifting rod is lifted upward, the topmost carton of the stacked cartons is located below the original position of the supporting member. When the stacked cartons are lifted by the lifting rod to a position where the suction cups of the feeding device can adsorb them, the feeding device is started, and the feeding device takes away one by one the topmost cartons of the stacked cartons that enter the feeding rack. Each time the feeding device takes away a carton, the lifting device lifts the stacked cartons that enter the feeding rack by the height of the thickness of one carton. During the process of the stacked cartons that enter the feeding rack being lifted by the lifting device, the stacked cartons that enter the feeding rack squeeze the supporting member, causing the supporting member to swing outside the side wall of the stacked cartons that enter the feeding rack, facilitating the stacked cartons that enter the feeding rack to rise without being interfered by the supporting member. When the bottommost carton of the cartons that enter the feeding rack passes over the supporting member, the supporting member swings into the feeding space, supports the stacked cartons through the supporting member, and drives the supporting member to move upward through the driving component. The supporting member drives the stacked cartons to move upward and cooperates with the feeding device to take away the cartons. After the supporting member supports the stacked cartons, the lifting device moves downward to the original position, and then the next stack of cartons enters the lifting device. During the upward movement of the previous stack of cartons in the feeding rack, the next stack of cartons is lifted simultaneously by the lifting device. After the previous stack of cartons in the feeding rack is completely taken away by the feeding device, the supporting member is reset through the driving component, and at the same time, the topmost carton of the next stack of cartons also reaches the carton-taking position of the feeding device. Such a cycle realizes the continuous feeding of cartons, so the feeding efficiency of the cartons is high.

Claims

1. A continuous carton feeding mechanism, comprising a frame, and a feeding mechanism is provided at one end of the frame, characterized in that: The feeding mechanism includes a conveying module, a feeding frame, a lifting device, a supporting device, and a feeding device; the conveying module is located at one end of the frame, the output end of the conveying module is located at the lower end or one side of the feeding frame, there is a feeding space inside the feeding frame, the feeding device is arranged on the frame and above the feeding frame, a supporting device is arranged at the upper end of the feeding frame, and the lifting device is arranged on the frame and extends into the feeding space; the supporting device includes a driving component and a supporting member, a vertically extending slot is formed at the upper end of the feeding frame, the driving component is arranged on the feeding frame, and the supporting member is arranged on the driving component and can swing through the slot.

2. The continuous carton feeding mechanism according to claim 1, characterized in that: The described conveying module includes a conveying frame, a conveyor belt frame, and a conveyor belt mechanism. The conveyor belt frame is arranged on the conveying frame, the conveyor belt mechanism is arranged on the conveyor belt frame, and the upper end of the conveyor belt mechanism protrudes from the conveyor belt frame.

3. The continuous carton feeding mechanism according to claim 2, characterized in that: The conveyor belt mechanism includes a conveying drive, a driving pulley, a driven pulley, and a conveyor belt. The conveying drive is arranged on the conveyor belt frame, the driving pulley is arranged at one end of the conveyor belt frame, the output end of the conveying drive is connected to the driving pulley, the driven pulley is arranged at the other end of the conveyor belt frame, the conveyor belt is sleeved between the driving pulley and the driven pulley, and the upper surface of the conveyor belt protrudes from the upper surface of the conveyor belt frame.

4. The continuous carton feeding mechanism according to claim 2, characterized in that: There are two or more conveyor belt frames, and there is a gap between adjacent conveyor belt frames.

5. A continuous carton feeding mechanism according to claim 1, characterized in that: The lifting device includes a lifting drive module and a lifting rod. There is one or more lifting rods arranged on the lifting drive module. The lifting rod is located inside the feeding frame, and the lifting drive module drives the lifting rod to move up and down.

6. The continuous carton feeding mechanism according to claim 1, characterized in that: The supporting member includes a supporting plate and an elastic plate. The lower end of the elastic plate is connected to the driving component, and a horizontally extending supporting plate is arranged at the other end of the elastic plate. The elastic plate is inclined from the lower end to the upper end in the direction of the center of the feeding frame and extends upward.

7. A continuous carton feeding mechanism according to claim 1, characterized in that: The described supporting member includes a guiding plate and a supporting plate. The lower end of the guiding plate is hinged to the driving component. The guiding plate is inclined from the lower end to the upper end in the direction of the center of the feeding frame and extends upward. The supporting plate is connected to the upper end of the guiding plate and extends horizontally.

8. A continuous carton feeding mechanism according to claim 1, characterized in that: The driving component includes a driving motor, a driving connecting plate, a driving screw rod, a driving slider, and a driving guide rail. The driving motor is arranged on the feeding frame, a driving screw rod is arranged on the driving shaft of the driving motor, a driving guide rail is arranged on the feeding frame. The driving connecting plate is slidably arranged on the driving guide rail. A driving slider is arranged on the driving screw rod, the driving screw rod is threadedly connected to the driving slider, the driving slider is connected to the driving connecting plate, and a supporting member is arranged on the driving connecting plate.

9. A continuous carton feeding mechanism according to claim 1, characterized in that: The feeding device includes a horizontal feeding drive, a fixing plate, a vertical feeding drive, a suction cup seat, and a suction cup. The horizontal feeding drive is arranged on the frame, the fixing plate is arranged at the output end of the horizontal feeding drive, the vertical feeding drive is arranged on the fixing plate, the suction cup seat is arranged at the output end of the vertical feeding drive, and the suction cup is arranged on the suction cup seat.

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