Washing and drying device for post-treatment of PVC gloves and control method of washing and drying device

Abstract

The invention discloses a washing and drying device for PVC glove post-treatment and a control method thereof, and belongs to the technical field of PVC glove production equipment.The washing and drying device comprises a machine box, the top of the machine box is fixedly connected with a semi-annular treatment box, a stepping motor is installed on the inner side of the machine box, and the output end of the stepping motor is connected with a rotary disc located on the top of the machine box; a plurality of supporting mechanisms distributed in a circumferential shape are installed on the rotating disc, a cleaning mechanism and a drying mechanism are sequentially arranged on the treatment box in the rotating direction of the rotating disc, each supporting mechanism comprises a rotating shaft rotationally installed on the rotating disc, and two symmetrically-distributed half-hand molds are movably installed at the top of each rotating shaft. Through the arrangement of the two half hand molds, one half hand mold is divided into two halves, and the two half hand molds can be close to and far away from each other, so that the PVC gloves are convenient to assemble and disassemble when the half hand molds are combined, and the PVC gloves can be opened when the half hand molds are opened, and the inner sides of the PVC gloves are convenient to wash and dry, and fingers of the PVC gloves are convenient to clean.

Description

Technical Field

[0001] The present invention relates to a PVC glove production device, in particular to a PVC glove post-processing washing and drying device, belonging to the technical field of PVC glove production equipment. Background Art

[0002] During the production and processing of PVC gloves, they need to be dried. Generally, the PVC gloves are put on the hand mold, and the hand mold is driven by the conveyor belt to circulate. During the movement, the hot air blower heats the surface of the gloves to quickly evaporate the moisture on the surface of the gloves. However, due to the moisture inside the gloves, especially the internal finger parts, it is difficult to effectively clean and dry them.

[0003] Aiming at the problem that when the existing washing and drying device is used, moisture exists inside the gloves, especially the inner finger parts, which makes it difficult to effectively clean and dry the gloves, the present invention proposes a new solution. Summary of the invention

[0004] The main purpose of the present invention is to solve the deficiencies of the prior art and to provide a washing and drying device for post-processing PVC gloves and a control method thereof.

[0005] The purpose of the present invention can be achieved by adopting the following technical solutions:

[0006] A washing and drying device for post-processing PVC gloves, comprising a chassis, a semi-annular processing box is fixedly connected to the top of the chassis, a stepper motor is installed on the inner side of the chassis, the output end of the stepper motor is connected to a turntable located on the top of the chassis, a plurality of circumferentially distributed supporting mechanisms are installed on the turntable, a washing mechanism and a drying mechanism are sequentially arranged on the processing box along the rotation direction of the turntable, the supporting mechanism comprises a rotating shaft rotatably installed on the turntable, two symmetrically distributed half hand molds are movably installed on the top of the rotating shaft, a lifting disk located at the bottom of the half hand molds is slidably installed on the outer side of the rotating shaft, the lifting disk can drive the two half hand molds to move away from each other, and an arc-shaped slideway located at the bottom of the lifting disk and capable of driving the lifting disk to move up and down is connected to the inner wall of the processing box on the side away from the turntable.

[0007] Preferably, the heights of both ends of the arc-shaped slideway are lower than the height of its middle, a rotating hole cooperating with the rotating shaft is provided on the turntable, and the bottom end of the rotating shaft is threadedly connected to a nut located at the bottom of the turntable.

[0008] Preferably, a rotating wheel located at the top of the turntable is fixedly connected to the outer wall of the rotating shaft, a runway cooperating with the rotating wheel is provided below the arc-shaped slideway, an anti-slip ring is connected to the outer side of the rotating wheel, a limiting strip is fixedly connected to the outer wall of the rotating shaft, and a limiting groove cooperating with the limiting strip is provided in the middle of the lifting plate.

[0009] Preferably, the half hand mold and the rotating shaft are rotatably connected via a connecting rod, the bottom of the half hand mold is connected to a sliding rod slidably connected to the lifting plate, and the bottom end of the sliding rod is connected to a base plate located at the bottom of the lifting plate.

[0010] Preferably, a fixing rod rotatably connected to the connecting rod is connected to the top of the rotating shaft, a sliding groove cooperating with the sliding rod is opened on the top of the lifting plate, and a spring located between the lifting plate and the fixing rod is installed on the outer wall of the rotating shaft.

[0011] Preferably, a groove is provided at the bottom of the lifting plate, and a rotating ball is installed in the groove.

[0012] Preferably, the cleaning mechanism includes a water pump installed on the top of the treatment box, the output end of the water pump is connected to a first water outlet pipe located on the inner wall of the top of the treatment box, and a second water outlet pipe located below the arc-shaped slide, the first water outlet pipe is connected to a shower head, and the second water outlet pipe is connected to a nozzle.

[0013] Preferably, the drying mechanism includes a hot air blower installed on the top of the processing box, and the output end of the hot air blower is connected to a first air outlet duct, a second air outlet duct and a third air outlet duct, the first air outlet duct is located at the top of the processing box, the second air outlet duct is located on the side wall of the processing box, and the third air outlet duct is located below the arc-shaped slide.

[0014] A control method for a washing and drying device for post-processing PVC gloves, comprising:

[0015] Step 1: Put the PVC gloves on the two half-hand models outside the processing box, and the stepper motor drives the turntable to rotate, thereby driving the supporting mechanism to enter the processing box. After entering the processing box, the lifting plate moves upward under the action of the arc slide, driving the two half-hand models away from each other, thereby stretching the PVC gloves. The interaction between the wheel and the runway drives the PVC gloves to rotate;

[0016] Step 2: When reaching the cleaning mechanism, the water pump washes the outside of the PVC gloves through the first water outlet pipe and the shower head, and washes the inside of the PVC gloves through the second water outlet pipe and the nozzle;

[0017] Step 3: The turntable continues to rotate, located between the washing mechanism and the drying mechanism, and the water inside and outside the PVC gloves will flow into the treatment box under the action of gravity, and then continue to rotate;

[0018] Step 4: When the gloves reach the drying mechanism, the hot air blower blows air to dry the top of the PVC gloves through the first air outlet pipe, blows air to dry the sides of the PVC gloves through the second air outlet pipe, and blows air to dry the inside of the PVC gloves through the third air outlet pipe;

[0019] Step 5: After drying is completed, the turntable continues to rotate. In the process of rotating out of the processing box, the lifting plate moves downward under the action of the arc slide, driving the two half hand molds to move closer to each other. When they are completely rotated out of the processing box, the two half hand molds are merged, and the staff removes the washed and dried PVC gloves.

[0020] Preferably, a drain pipe is connected to the bottom of the processing box.

[0021] Beneficial technical effects of the present invention: According to the washing and drying device for post-processing of PVC gloves of the present invention, through the arrangement of two half hand molds, the two half hand molds are divided into two halves of a hand mold, and can be close to and away from each other, so that when they are merged, it is convenient to load and unload the PVC gloves, and when they are opened, the PVC gloves can be stretched out, so that it is convenient to wash and dry the inner side thereof and to clean the fingers thereof; through the arrangement of the lifting plate and the arc-shaped slideway, when the rotating plate rotates, the lifting plate can be driven to automatically rise and fall, so as to realize the opening and closing of the two half hand molds; through the washing mechanism and the drying mechanism, washing can be performed first and then drying can be performed, and the inner and outer sides of the PVC gloves can be washed and dried simultaneously, which is efficient and fast. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of a preferred embodiment provided according to the present invention;

[0023] Figure 2 A cross-sectional view of the overall structure of a preferred embodiment provided according to the present invention;

[0024] Figure 3 A schematic diagram of the structure of a processing box according to a preferred embodiment of the present invention;

[0025] Figure 4 A schematic diagram of the cleaning mechanism structure according to a preferred embodiment of the present invention;

[0026] Figure 5 A schematic diagram of the structure of a drying mechanism according to a preferred embodiment of the present invention;

[0027] Figure 6 An exploded schematic diagram of a support mechanism according to a preferred embodiment of the present invention;

[0028] Figure 7 A schematic diagram of a rotating shaft structure according to a preferred embodiment of the present invention;

[0029] Figure 8A schematic diagram of a half hand model structure according to a preferred embodiment of the present invention;

[0030] Fig. 9 The figure is a schematic diagram of the structure of a lifting plate according to a preferred embodiment of the present invention.

[0031] In the figure: 1. chassis; 2. processing box; 3. stepper motor; 4. turntable; 5. supporting mechanism; 6. cleaning mechanism; 7. drying mechanism; 8. rotating shaft; 9. half hand model; 10. lifting plate; 11. arc slide; 12. rotating wheel; 13. anti-skid ring; 14. runway; 15. connecting rod; 16. sliding rod; 17. fixing rod; 18. slide groove; 19. spring; 20. rotating ball; 21. limiting strip; 22. limiting groove; 23. water pump; 24. first water outlet pipe; 25. second water outlet pipe; 26. shower; 27. nozzle; 28. hot air blower; 29. ​​first air outlet pipe; 30. second air outlet pipe; 31. third air outlet pipe; 32. drain pipe. DETAILED DESCRIPTION

[0032] In order to make the technical solution of the present invention more clear and specific to those skilled in the art, the present invention is further described in detail below in conjunction with embodiments and drawings, but the implementation manner of the present invention is not limited thereto.

[0033] like Figure 1-Figure 6 As shown, the washing and drying device for post-processing of PVC gloves provided in this embodiment comprises a chassis 1, a semi-circular processing box 2 is fixedly connected to the top of the chassis 1, a stepper motor 3 is installed on the inner side of the chassis 1, the output end of the stepper motor 3 is connected to a turntable 4 located on the top of the chassis 1, a plurality of supporting mechanisms 5 distributed in a circumferential shape are installed on the turntable 4, a washing mechanism 6 and a drying mechanism 7 are sequentially arranged on the processing box 2 along the rotation direction of the turntable 4, the supporting mechanism 5 comprises a rotating shaft 8 rotatably installed on the turntable 4, two symmetrically distributed half hand molds 9 are movably installed on the top of the rotating shaft 8, a lifting plate 10 located at the bottom of the half hand molds 9 is slidably installed on the outer side of the rotating shaft 8, the lifting plate 10 can drive the two half hand molds 9 to move away from each other, and an arc-shaped slideway 11 located at the bottom of the lifting plate 10 and capable of driving the lifting plate 10 to move up and down is connected to the inner wall of the processing box 2 on the side away from the turntable 4. By setting the two half hand molds 9, the two half hand molds 9 are divided into two halves from a hand mold, and can move closer to and away from each other, so that when they are combined, it is convenient to load and unload the PVC gloves, and when they are opened, the PVC gloves can be stretched out, so that it is convenient to wash and dry the inner side and the fingers; by setting the lifting plate 10 and the arc-shaped slide 11, when the rotating plate 4 rotates, the lifting plate 10 can be driven to automatically rise and fall, so as to realize the opening and closing of the two half hand molds 9, and by the washing mechanism 6 and the drying mechanism 7, washing can be performed first and then drying, and the inside and outside of the PVC gloves can be washed and dried at the same time, which is efficient and fast.

[0034] In this embodiment, if Figure 1 , Figure 3 and Figure 7 As shown, the heights of both ends of the arc-shaped slideway 11 are lower than the height of the middle part, and a rotating hole matching with the rotating shaft 8 is provided on the rotating disk 4, and the bottom end of the rotating shaft 8 is threadedly connected with a nut located at the bottom of the rotating disk 4. The arrangement of the rotating hole and the nut facilitates the disassembly and maintenance of the support mechanism 5; the heights of both ends of the arc-shaped slideway 11 are lower than the height of the middle part, and the height of the lowest end is lower than the height of the lifting plate 10 in the natural state, so that the lifting plate 10 can be driven to rise and fall, thereby realizing the opening and closing of the two half hand molds 9.

[0035] In this embodiment, if Figure 2 , Figure 3 , Figure 6 and Figure 7 As shown, a rotating wheel 12 located at the top of the rotating disk 4 is fixedly connected to the outer wall of the rotating shaft 8, a runway 14 cooperating with the rotating wheel 12 is provided below the arc-shaped slideway 11, an anti-skid ring 13 is connected to the outer side of the rotating wheel 12, a limiting strip 21 is fixedly connected to the outer wall of the rotating shaft 8, and a limiting groove 22 cooperating with the limiting strip 21 is provided in the middle of the lifting disk 10. The setting of the runway 14 and the rotating wheel 12 can drive the support mechanism 5 to rotate, thereby improving the washing and drying effect, and the setting of the anti-skid ring 13 can prevent slipping; the setting of the limiting strip 21 and the limiting groove 22 makes the lifting disk 10 rotate synchronously with the rotating shaft 8, thereby realizing the synchronous rotation of the semi-hand mold 9.

[0036] In this embodiment, if Figure 6 , Figure 7 , Figure 8 and Fig. 9 As shown, the semi-hand mold 9 and the rotating shaft 8 are rotatably connected by a connecting rod 15, the bottom of the semi-hand mold 9 is connected to a sliding rod 16 slidably connected to the lifting plate 10, the bottom end of the sliding rod 16 is connected to a bottom plate located at the bottom of the lifting plate 10, the top of the rotating shaft 8 is connected to a fixing rod 17 rotatably connected to the connecting rod 15, the top of the lifting plate 10 is provided with a sliding groove 18 matched with the sliding rod 16, a spring 19 located between the lifting plate 10 and the fixing rod 17 is installed on the outer wall of the rotating shaft 8, the bottom of the lifting plate 10 is provided with a groove, and a rotating bead 20 is installed in the groove. The slide groove 18 and the slide bar 16 are used to connect the half hand mold 9 and the lifting plate 10 to limit their movement direction; the rotating ball 20 is used to improve the lifting effect of the lifting plate 10; the spring 19 is used to apply a downward force when the lifting plate 10 moves up to prevent it from moving up too high. At the same time, when the lifting plate 10 is rotated out of the processing box 2, the lifting plate 10 can move down quickly under the action of the spring 19, so as to quickly close the mold and facilitate the removal of the PVC gloves.

[0037] In this embodiment, if Figure 1 , Figure 2 and Figure 4As shown, the cleaning mechanism includes a water pump 23 installed on the top of the treatment box 2, the output end of the water pump 23 is connected to a first water outlet pipe 24 located on the inner wall of the top of the treatment box 2, and a second water outlet pipe 25 located below the arc-shaped slide 11, the first water outlet pipe 24 is connected to a shower head 26, and the second water outlet pipe 25 is connected to a nozzle 27. Through the setting of the shower head 26, spraying from the top expands the spraying range, and through the setting of the nozzle 27, a strong water flow is provided to wash the inside of the PVC glove from the bottom of the lifting plate 10 through the holes thereon, thereby improving the cleaning effect.

[0038] In this embodiment, if Figure 1 , Figure 2 and Figure 5 As shown, the drying mechanism includes a hot air blower 28 installed on the top of the processing box 2, and the output end of the hot air blower 28 is connected to a first air outlet duct 29, a second air outlet duct 30 and a third air outlet duct 31, the first air outlet duct 29 is located on the top of the processing box 2, the second air outlet duct 30 is located on the side wall of the processing box 2, and the third air outlet duct 31 is located below the arc slide 11. The first air outlet duct 29, the second air outlet duct 30 and the third air outlet duct 31 can perform all-round drying, wherein the third air outlet duct 31 performs drying from the bottom of the lifting plate 10 through the holes thereon.

[0039] A control method for a washing and drying device for post-processing PVC gloves, comprising:

[0040] Step 1: Put the PVC gloves on the two half hand molds 9 outside the processing box 2, and the stepper motor 3 drives the turntable 4 to rotate, thereby driving the supporting mechanism 5 to enter the processing box 2. After entering the processing box 2, the lifting plate 10 moves upward under the action of the arc slide 11, driving the two half hand molds 9 to move away from each other, thereby opening the PVC gloves, and the rotating wheel 12 and the runway 14 interact with each other to drive the PVC gloves to rotate;

[0041] Step 2: When reaching the cleaning mechanism 6, the water pump 23 washes the outside of the PVC gloves through the first water outlet pipe 24 and the shower head 26, and washes the inside of the PVC gloves through the second water outlet pipe 25 and the spray head 27;

[0042] Step 3: The turntable 4 continues to rotate and is located between the washing mechanism 6 and the drying mechanism 7. The water inside and outside the PVC glove flows into the treatment box 2 under the action of gravity, and then continues to rotate;

[0043] Step 4: When the air reaches the drying mechanism 7, the hot air blower 28 blows air to dry the top of the PVC gloves through the first air outlet pipe 29, blows air to dry the sides of the PVC gloves through the second air outlet pipe 30, and blows air to dry the inside of the PVC gloves through the third air outlet pipe 31;

[0044] Step 5: After the drying is completed, the turntable 4 continues to rotate. In the process of rotating out of the processing box 2, the lifting plate 10 moves downward under the action of the arc slide 11, driving the two half hand molds 9 to approach each other. When they are completely rotated out of the processing box 2, the two half hand molds 9 are merged, and the personnel remove the washed and dried PVC gloves.

[0045] A drain pipe 32 is connected to the bottom of the treatment box 2. Through the arrangement of the drain pipe 32, the sewage after treatment and cleaning can be collected.

[0046] In this embodiment, if Figure 1-Figure 6 As shown, the working process of a washing and drying device for post-processing PVC gloves and a control method thereof provided in this embodiment is as follows:

[0047] Step 1: Put the PVC gloves on the two half hand molds 9 outside the processing box 2, and the stepper motor 3 drives the turntable 4 to rotate, thereby driving the supporting mechanism 5 to enter the processing box 2. After entering the processing box 2, the lifting plate 10 moves upward under the action of the arc slide 11, driving the two half hand molds 9 to move away from each other, thereby opening the PVC gloves, and the rotating wheel 12 and the runway 14 interact with each other to drive the PVC gloves to rotate;

[0048] Step 2: When reaching the cleaning mechanism 6, the water pump 23 washes the outside of the PVC gloves through the first water outlet pipe 24 and the shower head 26, and washes the inside of the PVC gloves through the second water outlet pipe 25 and the spray head 27;

[0049] Step 3: The turntable 4 continues to rotate and is located between the washing mechanism 6 and the drying mechanism 7. The water inside and outside the PVC glove flows into the treatment box 2 under the action of gravity, and then continues to rotate;

[0050] Step 4: When the air reaches the drying mechanism 7, the hot air blower 28 blows air to dry the top of the PVC gloves through the first air outlet pipe 29, blows air to dry the sides of the PVC gloves through the second air outlet pipe 30, and blows air to dry the inside of the PVC gloves through the third air outlet pipe 31;

[0051] Step 5: After the drying is completed, the turntable 4 continues to rotate. In the process of rotating out of the processing box 2, the lifting plate 10 moves downward under the action of the arc slide 11, driving the two half hand molds 9 to approach each other. When they are completely rotated out of the processing box 2, the two half hand molds 9 are merged, and the personnel remove the washed and dried PVC gloves.

[0052] The above are only further embodiments of the present invention, but 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 solutions and concepts of the present invention within the scope disclosed by the present invention, which belong to the protection scope of the present invention.

Claims

1. A washing and drying device for post-processing PVC gloves, comprising a housing (1), the top of which is fixedly connected to a semi-circular processing box (2), characterized in that: A stepper motor (3) is installed on the inner side of the chassis (1), and the output end of the stepper motor (3) is connected to a turntable (4) located at the top of the chassis (1). A plurality of support mechanisms (5) distributed in a circumferential shape are installed on the turntable (4). A cleaning mechanism (6) and a drying mechanism (7) are provided on the processing box (2) in sequence along the rotation direction of the turntable (4). The support mechanism (5) comprises a rotating shaft (8) rotatably installed on the turntable (4), and two symmetrically distributed half-hand molds (9) are movably installed on the top of the rotating shaft (8). A lifting plate (10) located at the bottom of the half-hand mold (9) is slidably installed on the outer side of the rotating shaft (8), and the lifting plate (10) can drive the two half-hand molds (9) to move away from each other. The inner wall of the processing box (2) on the side away from the turntable (4) is connected to an arc-shaped slideway (11) located at the bottom of the lifting plate (10) and capable of driving the lifting plate (10) to move up and down.

2. A washing and drying device for post-processing of PVC gloves according to claim 1, characterized in that: The heights of both ends of the arc-shaped slideway (11) are lower than the height of its middle. The turntable (4) is provided with a rotation hole that matches the rotation shaft (8). The bottom end of the rotation shaft (8) is threadedly connected to a nut located at the bottom of the turntable (4).

3. A washing and drying device for post-processing of PVC gloves according to claim 1, characterized in that: A rotating wheel (12) located at the top of the rotating disk (4) is fixedly connected to the outer wall of the rotating shaft (8); a runway (14) cooperating with the rotating wheel (12) is provided below the arc-shaped slideway (11); an anti-slip ring (13) is connected to the outer side of the rotating wheel (12); a limiting strip (21) is fixedly connected to the outer wall of the rotating shaft (8); and a limiting groove (22) cooperating with the limiting strip (21) is provided in the middle of the lifting plate (10).

4. The washing and drying device for post-processing of PVC gloves according to claim 1, characterized in that: The half hand mold (9) and the rotating shaft (8) are rotatably connected via a connecting rod (15); the bottom of the half hand mold (9) is connected to a sliding rod (16) slidably connected to the lifting plate (10); and the bottom end of the sliding rod (16) is connected to a bottom plate located at the bottom of the lifting plate (10).

5. A washing and drying device for post-processing of PVC gloves according to claim 4, characterized in that: The top of the rotating shaft (8) is connected to a fixing rod (17) rotatably connected to the connecting rod (15); the top of the lifting plate (10) is provided with a sliding groove (18) matched with the sliding rod (16); and a spring (19) is installed on the outer wall of the rotating shaft (8) and is located between the lifting plate (10) and the fixing rod (17).

6. A washing and drying device for post-processing of PVC gloves according to claim 1, characterized in that: The bottom of the lifting plate (10) is provided with a groove, and a rotating ball (20) is installed in the groove.

7. The washing and drying device for post-processing of PVC gloves according to claim 1, characterized in that: The cleaning mechanism comprises a water pump (23) installed on the top of the treatment box (2), the output end of the water pump (23) is connected to a first water outlet pipe (24) located on the inner wall of the top of the treatment box (2), and a second water outlet pipe (25) located below the arc-shaped slideway (11), the first water outlet pipe (24) is connected to a shower head (26), and the second water outlet pipe (25) is connected to a spray head (27).

8. The washing and drying device for post-processing of PVC gloves according to claim 1, characterized in that: The drying mechanism comprises a hot air blower (28) installed on the top of the processing box (2); the output end of the hot air blower (28) is connected to a first air outlet pipe (29), a second air outlet pipe (30) and a third air outlet pipe (31); the first air outlet pipe (29) is located at the top of the processing box (2); the second air outlet pipe (30) is located on the side wall of the processing box (2); and the third air outlet pipe (31) is located below the arc-shaped slideway (11).

9. A control method for a washing and drying device for post-processing PVC gloves, characterized in that: include: Step 1: Put the PVC glove on the two half hand molds (9) outside the processing box (2), and the stepping motor (3) drives the rotating disk (4) to rotate, thereby driving the supporting mechanism (5) to enter the processing box (2). After entering the processing box (2), the lifting plate (10) moves upward under the action of the arc-shaped slideway (11), driving the two half hand molds (9) to move away from each other, thereby stretching the PVC glove, and the rotating wheel (12) and the runway (14) interact with each other to drive the PVC glove to rotate; Step 2: When the cleaning device (6) is reached, the water pump (23) washes the outside of the PVC glove through the first water outlet pipe (24) and the shower head (26), and washes the inside of the PVC glove through the second water outlet pipe (25) and the shower head (27); Step 3: The turntable (4) continues to rotate and is located between the cleaning mechanism (6) and the drying mechanism (7). The water inside and outside the PVC glove flows into the treatment box (2) under the action of gravity and then continues to rotate; Step 4: When the gloves reach the drying mechanism (7), the hot air blower (28) blows air to dry the top of the PVC gloves through the first air outlet pipe (29), blows air to dry the sides of the PVC gloves through the second air outlet pipe (30), and blows air to dry the inside of the PVC gloves through the third air outlet pipe (31); Step 5: After the drying is completed, the turntable (4) continues to rotate. In the process of rotating out of the processing box (2), the lifting plate (10) moves downward under the action of the arc-shaped slideway (11), driving the two half hand molds (9) to approach each other. When the two half hand molds (9) are completely rotated out of the processing box (2), the two half hand molds (9) are merged, and the personnel remove the washed and dried PVC gloves.

10. The control method of a washing and drying device for post-processing of PVC gloves according to claim 9, characterized in that: The bottom of the processing box (2) is connected to a drainage pipe (32).

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