Smoke exhaust structure for aluminum foil mill

Abstract

The utility model discloses a smoke exhaust structure for an aluminum foil mill, which comprises a body and a smoke exhaust hood, and the top surface of the body is fixedly connected with the smoke exhaust hood; a smoke collecting box is fixedly connected to one side of the bottom surface of the body, a first pipeline is connected to the top surface of the smoke collecting box in a penetrating mode, and a connecting pipe is connected to the top surface of the first pipeline in an attached mode; a plurality of buckle assemblies are symmetrically arranged on the two sides of the connecting pipe; wherein the buckle assembly comprises a connecting box fixedly connected with the connecting pipe, after oil smoke is filtered, the connecting pipe can be detached through the buckle assembly, and then the U-shaped plate trace western can be detached through the self-locking assembly, so that an oil absorption pad and a filter plate on the U-shaped plate can be cleaned and replaced; and meanwhile, the exhaust fan can be cleaned, so that the oil smoke treatment efficiency can be improved, and the working efficiency of workers can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of aluminum foil rolling mills, in particular to a smoke exhaust structure used for aluminum foil rolling mills. Background Art

[0002] Foil rolling mills are equipment used for rolling, processing and refining of aluminum foil. During the rolling process of aluminum foil, a large amount of heat is released, which will cause the rolling oil to evaporate and produce oil smoke. In the prior art, the oil smoke generated during the rolling process of the rolling mill will float out from the outlet of the rolling mill body, and some of the oil smoke will float onto the plate rollers and angle rollers to form oil droplets. During the rolling process, the oil droplets will stick to the surface of the aluminum foil, causing quality defects to the product.

[0003] Publication No. CN218079416U discloses a fume exhaust device for an aluminum foil rolling mill. By tilting the suction plate close to one side of the rolling mill body, the suction port can effectively absorb the oil fume, increase the absorption effect of the exhaust air duct, and prevent the oil fume from drifting to the plate roller and the angle roller, causing quality defects to the aluminum foil. At the same time, the suction port absorption part is set outside the rolling mill body to prevent rolling oil from entering the exhaust air duct and avoid the waste of rolling oil. However, the patent still has the following problems in actual use:

[0004] By tilting the air suction plate close to the side of the rolling mill body, the air suction port can effectively absorb the oil fume, thereby increasing the absorption effect of the smoke exhaust duct and preventing the oil fume from drifting onto the plate roller and the angle roller. When the oil fume passes through the smoke exhaust duct, the oil fume can be treated, but the smoke exhaust duct cannot be dismantled, making it impossible for the staff to replace and clean the filter device inside the smoke exhaust duct, resulting in more oil stains on the surface of the filter device inside the smoke exhaust duct, thereby reducing the efficiency of oil fume treatment.

[0005] A smoke exhaust structure for an aluminum foil rolling mill is proposed to solve the above-mentioned problems. Utility Model Content

[0006] The utility model aims to provide a smoke exhaust structure for an aluminum foil rolling mill to solve the problem proposed in the above-mentioned background technology that the suction plate close to one side of the rolling mill body is tilted so that the suction port can effectively absorb the oil smoke, thereby increasing the absorption effect of the smoke exhaust duct and preventing the oil smoke from drifting onto the plate roller and the angle roller. However, when the oil smoke passes through the smoke exhaust duct, the oil smoke can be processed, but the smoke exhaust duct cannot be dismantled, so that the staff cannot replace and clean the filter device inside the smoke exhaust duct, so that more oil stains will accumulate on the surface of the filter device inside the smoke exhaust duct, thereby reducing the efficiency of treating the oil smoke.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a smoke exhaust structure for an aluminum foil rolling mill, comprising a body and a smoke exhaust hood, wherein the top surface of the body is fixedly connected to the smoke exhaust hood;

[0008] An air outlet is provided on one side of the top surface of the smoke exhaust hood, a smoke outlet is provided on one side of the surface of the body close to the bottom, a smoke collecting box is fixedly connected to one side of the bottom surface of the body, one side surface of the smoke collecting box is through-connected with the smoke outlet, a first pipe is through-connected on the top surface of the smoke collecting box, a connecting pipe is fitted on the top surface of the first pipe, a second pipe is fitted on the top surface of the connecting pipe, a stabilizing block is symmetrically installed inside the connecting pipe, and a self-locking component is provided on the top surface of the stabilizing block;

[0009] Also includes:

[0010] A plurality of buckle assemblies are symmetrically arranged on both sides of the connecting pipe;

[0011] The buckle assembly includes a connection box fixedly connected to the connection pipe, a rotating rod is connected through the interior of the connection box, a gear is fixedly connected to the surface of the rotating rod, and a side surface of the rotating rod away from the gear is rotatably connected to the connection box;

[0012] The top surface of the gear is meshedly connected with a rack, and the middle of the top surface of the rack is fixedly connected with a T-block.

[0013] Preferably, a T-slot is provided on the top surface of the connecting box, and the T-slot is slidably connected to the T-block. A limiting rod is symmetrically installed on the side surface of the rotating rod away from the connecting box, and one side surface of the limiting rod passes through and is connected to a limiting plate. A first spring is sleeved on the surface of the limiting rod, and one side surface of the first spring is fixedly connected to the limiting plate, and the other side surface of the first spring is fixedly connected to the rotating rod. A plurality of limiting grooves are provided on one side surface of the connecting box, and the limiting grooves are engaged with the limiting rod.

[0014] Preferably, a clamping rod is fixedly connected to one side surface of the rack, a second spring is sleeved on the side surface of the clamping rod away from the rack, a fixing block is fixedly connected to one side surface of the second spring, the other side surface of the second spring is fixedly connected to the rack, a side surface of the fixing block away from the second spring is fixedly connected to the connecting box, the limiting plate is fit-fittingly connected to the connecting box, the limiting rod is through-connected to the rotating rod, and the clamping rod is through-connected to the fixing block.

[0015] Preferably, a support plate is connected through the surface of the second pipe, the bottom surface of the support plate is fixedly connected to the smoke exhaust hood, and the second pipe is connected through the smoke exhaust hood.

[0016] Preferably, a filter is fixedly installed inside the connecting pipe, a motor box is fixedly installed in the middle of the top surface of the filter, a drive motor is fixedly installed inside the motor box, an output end of the drive motor passes through a side surface of the filter and is fixedly connected to an exhaust fan, a U-shaped plate is slidably connected above the filter, an oil absorption pad is bonded to the top surface of the U-shaped plate, and a filter plate is bonded to the top surface of the oil absorption pad.

[0017] Preferably, the self-locking assembly includes a connecting plate fixedly connected to the stabilizing block, the top surface of the connecting plate is fixedly connected to the stabilizing plate, the back of the stabilizing plate is provided with a sliding groove, a third spring is fixedly installed on the back of the stabilizing plate, the top surface of the third spring is fixedly connected to a rubber clamping plate, a movable groove is provided in the middle of the surface of the rubber clamping plate, the inside of the movable groove is rotatably connected with a movable shaft, the bottom surface of the movable shaft is fixedly connected to a movable rod, the movable rod is slidably connected to the sliding groove, the top surface of the rubber clamping plate is snap-connected with a clamping block, the top surface of the clamping block is fixedly connected to the U-shaped plate, and the rubber clamping plate is slidably connected to the connecting plate.

[0018] Preferably, the surfaces of the first pipe and the second pipe are both provided with a clamping groove, and the clamping groove is clamped and connected with the clamping rod.

[0019] Compared with the prior art, the utility model has the following beneficial effects: the smoke exhaust structure for an aluminum foil rolling mill can filter the oil smoke, and after the connecting pipe is disassembled through the buckle assembly, the U-shaped plate can be disassembled through the self-locking assembly, so that the oil absorption pad and the filter plate on the U-shaped plate can be cleaned and replaced, and the exhaust fan can also be cleaned, so that the efficiency of oil smoke treatment can be improved, thereby improving the work efficiency of the staff. The specific contents are as follows:

[0020] 1. By setting a buckle assembly, the rotation of the rotating rod can drive the rotation of the gear, thereby driving the movement of the rack, and the movement of the rack can drive the movement of the clamping rod, so that the clamping rod and the clamping slot are separated, so that the connecting pipe can be quickly disassembled, so that the staff can better clean the inside of the connecting pipe, thereby improving the efficiency of oil fume treatment;

[0021] 2. By setting a self-locking component and pressing the U-shaped plate, the block squeezes the rubber clamping plate, so that the movable rod and the slide groove on the rubber clamping plate slide and separate, so that the rubber clamping plate rises and the rubber clamping plate no longer clamps the block, so that the staff can disassemble the U-shaped plate, so that the oil absorption pad and the filter plate on the U-shaped plate can be cleaned and replaced, thereby improving the efficiency of oil fume treatment. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0023] Figure 2 For this utility model Figure 1 The enlarged structural diagram at A in the middle;

[0024] Figure 3 This is a schematic diagram of the side view structure of the connecting pipe in the utility model;

[0025] Figure 4 For this utility model Figure 1 The enlarged structural diagram at B in the middle;

[0026] Figure 5 For this utility model Figure 3 The enlarged structural diagram at C in the middle;

[0027] Figure 6 This is a schematic diagram of the overall operation structure of the buckle assembly in the utility model;

[0028] Figure 7 For this utility model Figure 2 The enlarged structural diagram at D in the middle;

[0029] Figure 8 It is a schematic diagram of the overall operation structure of the self-locking component in the utility model.

[0030] In the figure: 1, body; 2, smoke hood; 3, air outlet; 4, smoke outlet; 5, smoke collecting box; 6, first pipe; 7, connecting pipe; 8, second pipe; 9, support plate; 10, buckle assembly; 1001, connecting box; 1002, rotating rod; 1003, gear; 1004, rack; 1005, T-block; 1006, T-slot; 1007, limit rod; 1008, limit plate; 1009, first spring; 1010, limit slot; 1011, clamping rod; 1012 , second spring; 1013, fixed block; 11, filter screen; 12, motor box; 13, drive motor; 14, exhaust fan; 15, U-shaped plate; 16, oil absorption pad; 17, filter plate; 18, stabilizing block; 19, self-locking assembly; 1901, connecting plate; 1902, stabilizing plate; 1903, slide groove; 1904, third spring; 1905, rubber clamping plate; 1906, movable groove; 1907, movable shaft; 1908, movable rod; 1909, clamping block; 20, clamping groove. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the implementation regulations described are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] See also Figure 1-8 The utility model provides a technical solution: a smoke exhaust structure for an aluminum foil rolling mill, comprising a body 1 and a smoke exhaust hood 2, the top surface of the body 1 is fixedly connected to the smoke exhaust hood 2; an air outlet 3 is provided on one side of the top surface of the smoke exhaust hood 2, a smoke outlet 4 is provided on one side of the surface of the body 1 close to the bottom, a smoke collecting box 5 is fixedly connected to one side of the bottom surface of the body 1, one side surface of the smoke collecting box 5 is connected through the smoke outlet 4, a first pipe 6 is connected through the top surface of the smoke collecting box 5, a connecting pipe 7 is fitted and connected to the top surface of the first pipe 6, a second pipe 8 is fitted and connected to the top surface of the connecting pipe 7, and a stabilizing block is symmetrically installed inside the connecting pipe 7 18, a self-locking component 19 is provided on the top surface of the stabilizing block 18; and further comprising: a plurality of buckle components 10 are symmetrically provided on both sides of the connecting pipe 7; wherein the buckle component 10 comprises a connecting box 1001 fixedly connected to the connecting pipe 7, a rotating rod 1002 is connected through the interior of the connecting box 1001, a gear 1003 is fixedly connected to the surface of the rotating rod 1002, and a side surface of the rotating rod 1002 away from the gear 1003 is rotatably connected to the connecting box 1001; wherein a rack 1004 is meshedly connected to the top surface of the gear 1003, and a T-block 1005 is fixedly connected to the middle of the top surface of the rack 1004, such as Figure 1-6As shown, by setting the card assembly 10, the staff can quickly disassemble the connecting pipe 7, so that the inside of the connecting pipe 7 can be cleaned. At the same time, by setting the self-locking assembly 19, the U-shaped plate 15 can be disassembled, so that the oil absorption pad 16 and the filter plate 17 on the U-shaped plate 15 can be cleaned and replaced, thereby improving the efficiency of treating oil smoke.

[0033] A T-slot 1006 is provided on the top surface of the connection box 1001, and the T-slot 1006 is slidably connected to the T-block 1005. A limiting rod 1007 is symmetrically installed on the side surface of the rotating rod 1002 away from the connection box 1001. A side surface of the limiting rod 1007 penetrates and is connected to a limiting plate 1008. A first spring 1009 is sleeved on the surface of the limiting rod 1007. A side surface of the first spring 1009 is fixedly connected to the limiting plate 1008, and the other side surface of the first spring 1009 is fixedly connected to the rotating rod 1002. A plurality of limiting grooves 1010 are provided on one side surface of the connection box 1001, and the limiting grooves 1010 are connected to the limiting plate 1008. The positioning rod 1007 is engaged and connected, and a clamping rod 1011 is fixedly connected to one side surface of the rack 1004. A second spring 1012 is sleeved on the side surface of the clamping rod 1011 away from the rack 1004. A fixing block 1013 is fixedly connected to one side surface of the second spring 1012. The other side surface of the second spring 1012 is fixedly connected to the rack 1004. A side surface of the fixing block 1013 away from the second spring 1012 is fixedly connected to the connecting box 1001. The limiting plate 1008 is fitted and connected to the connecting box 1001. The limiting rod 1007 is connected through the rotating rod 1002, and the clamping rod 1011 is connected through the fixing block 1013. Figure 4-6 As shown, the rotation of the rotating rod 1002 can drive the rotation of the gear 1003, and the rotation of the gear 1003 can drive the movement of the rack 1004. The movement of the rack 1004 can drive the movement of the clamping rod 1011, so that the clamping rod 1011 and the clamping slot 20 are separated, so that the connecting pipe 7 can be quickly disassembled, and at the same time, by setting the limit rod 1007, the limit plate 1008 and the first spring 1009, the limit rod 1007 can be squeezed through the characteristics of the first spring 1009, so that the limit rod 1007 and the limit slot 1010 are engaged together, so that the rotating rod 1002 can be limited, thereby preventing the gear 1003 from retreating.

[0034] The surface of the second pipe 8 is connected with a support plate 9, the bottom surface of the support plate 9 is fixedly connected to the exhaust hood 2, the second pipe 8 is connected with the exhaust hood 2, a filter 11 is fixedly installed inside the connecting pipe 7, a motor box 12 is fixedly installed in the middle of the top surface of the filter 11, a drive motor 13 is fixedly installed inside the motor box 12, an output end of the drive motor 13 passes through the side surface of the filter 11 and is fixedly connected with an exhaust fan 14, a U-shaped plate 15 is slidably connected above the filter 11, an oil absorption pad 16 is bonded to the top surface of the U-shaped plate 15, and a filter plate 17 is bonded to the top surface of the oil absorption pad 16, as shown in FIG. Figure 1 , 2 As shown, through the cooperation between the oil absorption pad 16 and the filter plate 17, the oil smoke can be filtered. At the same time, because the oil absorption pad 16, the filter plate 17 and the U-shaped plate 15 are bonded together, the oil absorption pad 16 and the filter plate 17 can be replaced and cleaned after the U-shaped plate 15 is disassembled.

[0035] The self-locking assembly 19 includes a connecting plate 1901 fixedly connected to the stabilizing block 18, a stabilizing plate 1902 is fixedly connected to the top surface of the connecting plate 1901, a sliding groove 1903 is provided on the back of the stabilizing plate 1902, a third spring 1904 is fixedly installed on the back of the stabilizing plate 1902, a rubber clamping plate 1905 is fixedly connected to the top surface of the third spring 1904, a movable groove 1906 is provided in the middle of the surface of the rubber clamping plate 1905, a movable shaft 1907 is rotatably connected to the inside of the movable groove 1906, a movable rod 1908 is fixedly connected to the bottom surface of the movable shaft 1907, the movable rod 1908 is slidably connected to the sliding groove 1903, a clamping block 1909 is snap-connected to the top surface of the rubber clamping plate 1905, the top surface of the clamping block 1909 is fixedly connected to the U-shaped plate 15, and the rubber clamping plate 1905 is slidably connected to the connecting plate 1901, as shown in FIG. Figure 7 , 8 As shown, by pressing the U-shaped plate 15, the U-shaped plate 15 can drive the block 1909 to descend, and the descent of the block 1909 can drive the rubber clamping plate 1905 to move. Through the movement of the rubber clamping plate 1905, the movable rod 1908 on the rubber clamping plate 1905 slides and separates from the slide groove 1903, so that the rubber clamping plate 1905 rises. Through the rise of the rubber clamping plate 1905, the rubber clamping plate 1905 no longer clamps the block 1909, so that the staff can disassemble the U-shaped plate 15, so that the oil absorption pad 16 and the filter plate 17 on the U-shaped plate 15 can be cleaned and replaced.

[0036] The surfaces of the first pipe 6 and the second pipe 8 are both provided with a clamping groove 20, and the clamping groove 20 is clamped and connected with the clamping rod 1011. Figure 5As shown, by the engagement between the clamping rod 1011 and the clamping slot 20, the connecting pipe 7 can be installed on the first pipe 6 and the second pipe 8, so that the oil smoke can be filtered.

[0037] Working principle: Before using this fume exhaust structure for aluminum foil rolling mill, it is necessary to check the overall condition of the device to ensure that it can work normally. Figure 1 - Figure 8 As shown, first, by setting the buckle assembly 10, rotating the rotating rod 1002 can drive the rotation of the gear 1003, and the rotation of the gear 1003 can drive the movement of the rack 1004, and the movement of the rack 1004 can drive the movement of the clamping rod 1011, so that the clamping rod 1011 and the clamping slot 20 are separated, so that the connecting tube 7 can be quickly disassembled, and at the same time, by setting the limit rod 1007, the limit plate 1008 and the first spring 1009, the limit rod 1007 can be squeezed through the characteristics of the first spring 1009, so that the limit rod 1007 and the limit slot 1010 are engaged together, so that the rotating rod 1002 can be limited.

[0038] Secondly, by setting a self-locking component 19 and pressing the U-shaped plate 15, the U-shaped plate 15 can drive the block 1909 to descend, and the descent of the block 1909 can drive the rubber clamping plate 1905 to move. Through the movement of the rubber clamping plate 1905, the movable rod 1908 on the rubber clamping plate 1905 slides and separates from the slide groove 1903, so that the rubber clamping plate 1905 rises. Through the rise of the rubber clamping plate 1905, the rubber clamping plate 1905 no longer clamps the block 1909, so that the staff can disassemble the U-shaped plate 15, so that the oil absorption pad 16 and the filter plate 17 on the U-shaped plate 15 can be cleaned and replaced.

[0039] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A smoke exhaust structure for an aluminum foil rolling mill, comprising a body (1) and a smoke exhaust hood (2), wherein the top surface of the body (1) is fixedly connected to the smoke exhaust hood (2); An air outlet (3) is provided on one side of the top surface of the smoke exhaust hood (2), a smoke outlet (4) is provided on one side of the surface of the body (1) close to the bottom, a smoke collecting box (5) is fixedly connected to one side of the bottom surface of the body (1), one side surface of the smoke collecting box (5) is connected through the smoke outlet (4), a first pipe (6) is connected through the top surface of the smoke collecting box (5), a connecting pipe (7) is fitted on the top surface of the first pipe (6), a second pipe (8) is fitted on the top surface of the connecting pipe (7), a stabilizing block (18) is symmetrically installed inside the connecting pipe (7), and a self-locking component (19) is provided on the top surface of the stabilizing block (18); It is characterized in that Also includes: A plurality of buckle assemblies (10) are symmetrically arranged on both sides of the connecting pipe (7); The buckle assembly (10) comprises a connection box (1001) fixedly connected to the connection pipe (7); a rotating rod (1002) is connected through the interior of the connection box (1001); a gear (1003) is fixedly connected to the surface of the rotating rod (1002); and a surface of the rotating rod (1002) away from the gear (1003) is rotationally connected to the connection box (1001); The top surface of the gear (1003) is meshedly connected with a rack (1004), and a T-shaped block (1005) is fixedly connected in the middle of the top surface of the rack (1004).

2. The smoke exhaust structure for an aluminum foil rolling mill according to claim 1, characterized in that: A T-shaped slot (1006) is provided on the top surface of the connection box (1001), and the T-shaped slot (1006) is slidably connected to the T-shaped block (1005). A limiting rod (1007) is symmetrically installed on the side surface of the rotating rod (1002) away from the connection box (1001), and a side surface of the limiting rod (1007) is connected to the limiting plate (1008) through, and a first spring (1009) is sleeved on the surface of the limiting rod (1007), and a side surface of the first spring (1009) is fixedly connected to the limiting plate (1008), and the other side surface of the first spring (1009) is fixedly connected to the rotating rod (1002). A plurality of limiting slots (1010) are provided on one side surface of the connection box (1001), and the limiting slots (1010) are snap-fitted and connected to the limiting rod (1007).

3. The smoke exhaust structure for an aluminum foil rolling mill according to claim 2, characterized in that: A clamping rod (1011) is fixedly connected to one side surface of the rack (1004); a second spring (1012) is sleeved on a side surface of the clamping rod (1011) away from the rack (1004); a fixing block (1013) is fixedly connected to one side surface of the second spring (1012); the other side surface of the second spring (1012) is fixedly connected to the rack (1004); a side surface of the fixing block (1013) away from the second spring (1012) is fixedly connected to the connection box (1001); the limiting plate (1008) is fittedly connected to the connection box (1001); the limiting rod (1007) is connected through the rotating rod (1002); and the clamping rod (1011) is connected through the fixing block (1013).

4. The smoke exhaust structure for an aluminum foil rolling mill according to claim 1, characterized in that: A support plate (9) is connected through the surface of the second pipe (8), the bottom surface of the support plate (9) is fixedly connected to the smoke exhaust hood (2), and the second pipe (8) is connected through the smoke exhaust hood (2).

5. The smoke exhaust structure for an aluminum foil rolling mill according to claim 1, characterized in that: A filter screen (11) is fixedly installed inside the connecting pipe (7), a motor box (12) is fixedly installed in the middle of the top surface of the filter screen (11), a driving motor (13) is fixedly installed inside the motor box (12), an output end of the driving motor (13) is fixedly connected to a side surface of the filter screen (11) and a suction fan (14) is fixedly connected thereto, a U-shaped plate (15) is slidably connected above the filter screen (11), an oil absorption pad (16) is bonded to the top surface of the U-shaped plate (15), and a filter plate (17) is bonded to the top surface of the oil absorption pad (16).

6. The smoke exhaust structure for an aluminum foil rolling mill according to claim 1, characterized in that: The self-locking assembly (19) comprises a connecting plate (1901) fixedly connected to the stabilizing block (18); the top surface of the connecting plate (1901) is fixedly connected to a stabilizing plate (1902); a sliding groove (1903) is provided on the back of the stabilizing plate (1902); a third spring (1904) is fixedly installed on the back of the stabilizing plate (1902); the top surface of the third spring (1904) is fixedly connected to a rubber clamping plate (1905); a movable spring (1903) is provided in the middle of the surface of the rubber clamping plate (1905); The movable groove (1906) is rotatably connected to a movable shaft (1907) inside the movable groove (1906), a movable rod (1908) is fixedly connected to the bottom surface of the movable shaft (1907), the movable rod (1908) is slidably connected to the slide groove (1903), the top surface of the rubber clamping plate (1905) is snap-connected to a clamping block (1909), the top surface of the clamping block (1909) is fixedly connected to the U-shaped plate (15), and the rubber clamping plate (1905) is slidably connected to the connecting plate (1901).

7. The smoke exhaust structure for an aluminum foil rolling mill according to claim 1, characterized in that: The surfaces of the first pipe (6) and the second pipe (8) are both provided with a clamping groove (20), and the clamping groove (20) is clamped and connected with the clamping rod (1011).

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