Efficient shot blasting machine for metal plates

Abstract

The utility model belongs to the technical field of metal plate processing, and particularly relates to an efficient shot blasting machine for metal plates, which comprises a shot blasting machine and a rotary table and further comprises a first sliding groove, the first sliding groove is arranged on the inner wall of the shot blasting machine, a sliding rod is connected in the first sliding groove in a sliding mode, and two threaded rods are connected in the sliding rod in a threaded mode. The two threaded rods are located in the first sliding grooves and rotationally connected with the first sliding grooves. The driving assembly is located in the shot blasting machine and used for driving the two threaded rods to rotate; the mounting groove is formed in the sliding rod and is communicated with an inner cavity of the shot blasting machine, a first motor is fixedly connected in the mounting groove, and an output shaft of the first motor extends into the inner cavity of the shot blasting machine. The problem that steel shots left on a rotary table and a metal plate can be scattered on the outside ground, and consequently a user needs to manually clean the steel shots scattered on the ground is solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of metal plate processing, in particular to a high-efficiency shot blasting machine for metal plates. Background Art

[0002] Sheet metal is a flat metal material with a specific shape, size, and surface quality, manufactured through methods such as plastic working, pressing, or rolling. After processing, it requires a shot blasting machine. A shot blasting machine, also known as a shot blasting machine or sandblasting equipment, uses a high-speed rotating impeller to accelerate projectiles (such as steel and iron shots) to a very high velocity. The impeller then impacts the plastic surface of the workpiece, changing its appearance or shape. Its working principle is primarily based on an electric motor driving the impeller to rotate, using centrifugal force to throw projectiles with a diameter of approximately 0.2 to 3.0 mm onto the workpiece surface.

[0003] For example, the Chinese patent with announcement number CN204658210U discloses a turntable shot blasting machine, including a cleaning chamber, a shot blaster, a turntable, and a main motor and a reducer that drive the turntable to rotate around its own axis; the cleaning chamber is provided with a chamber door; its characteristics are: the main motor and reducer are arranged on the chamber door and are located outside the cleaning chamber; the turntable is rotatably mounted on a support, which is fixed on the chamber door and is located in the cleaning chamber; the output end of the reducer is connected to the power input end of the turntable through a belt drive mechanism; the outer cover of the belt drive mechanism is provided with an impact-proof cover. Its turntable rotates with the chamber door and moves out of the cleaning chamber, which makes it easier to place or remove workpieces and reduces the labor intensity of the operator.

[0004] The above patent has the following problems:

[0005] This patent has some shortcomings during use. For example, after the above-mentioned turntable shot blasting machine is used, some steel shots may remain on the turntable and metal plates. When the user opens the door on the shot blasting machine, the door drives the turntable to the outside world, and the steel shots remaining on the turntable and metal plates may fall to the ground outside, causing the user to manually clean up the scattered steel shots. In view of this, we propose a high-efficiency shot blasting machine for metal plates. Utility Model Content

[0006] The purpose of the utility model is to provide a high-efficiency shot blasting machine for metal plates to solve the problems raised in the above background technology.

[0007] In view of this, the utility model provides a high-efficiency shot blasting machine for metal plates, comprising a shot blasting machine and a turntable, and further comprising:

[0008] A first chute, wherein the first chute is arranged on the inner wall of the shot blasting machine, a slide rod is slidably connected in the first chute, two threaded rods are connected to the inner thread of the slide rod, and the two threaded rods are located in the first chute and are rotatably connected to the first chute;

[0009] A drive assembly, the drive assembly being located in the shot blasting machine and being used to drive the two threaded rods to rotate;

[0010] The cam is fixedly provided with a first motor and an output shaft of the first motor extends into the inner cavity of the shot blasting machine. A rotating plate is fixedly connected to the output shaft of the first motor, and the rotating plate is located in the inner cavity of the shot blasting machine and above the turntable. A plurality of second slide grooves connected to the outside world are provided in the rotating plate, and a plurality of sliders are slidably connected in the plurality of second slide grooves, and one end of the plurality of sliders extends to the inner cavity of the shot blasting machine, and the other ends of the plurality of sliders are fixedly connected with a plurality of springs, and one end of the plurality of springs is respectively fixed to the inner walls of the plurality of second slide grooves, and a brush is fixedly connected to one end of the plurality of sliders, and the brush is located above the turntable.

[0011] Based on the above structure, by providing the first slide groove and the sliding rod, it is ensured that the sliding rod can slide in the first slide groove, and by providing the driving assembly and the threaded rod, it is ensured that the user can drive the two threaded rods to rotate through the driving assembly, so that the sliding rod is acted upon by the threads of the two threaded rods and moves along the first slide groove, and by providing the first motor, the rotating plate and the brush, it is ensured that when the sliding rod moves to the appropriate position, the sliding rod drives the brush to move to the top surface of the turntable through the rotating plate, and then the user starts the first motor, so that the output shaft of the first motor drives the rotating plate to rotate above the turntable, so that the rotating plate drives the brush to rotate on the top surface of the turntable, so that the brush cleans the copper balls remaining on the turntable, and by providing the second slide groove, the slider and the brush, it is ensured that multiple sliders can respectively drive the brush to move up and down along multiple second slide grooves, and by providing the spring, it is ensured that when the brush moves to the appropriate position, the multiple sliders are respectively acted upon by the elastic force of multiple springs to drive the brush to always stick to the top surface of the turntable and the metal plate on the turntable.

[0012] In the above technical solution, further, the driving component includes:

[0013] Two gear grooves, the two gear grooves are opened in the shot blasting machine and are connected to the first chute, the two gear grooves are respectively rotatably connected to two first bevel gears, and one end of the two first bevel gears extends into the first chute and is respectively fixed to one end of two threaded rods, and one side of the two first bevel gears is respectively engaged with two second bevel gears;

[0014] A through slot is provided in the shot blasting machine and is connected to the two gear slots. A connecting rod is rotatably connected in the through slot, and both ends of the connecting rod extend into the two gear slots and are fixed to the two second bevel gears respectively.

[0015] A rotation groove is formed on the inner wall of the through groove and is in communication with the outside. A worm gear fixed to the circumference of the connecting rod is rotatably connected in the rotation groove.

[0016] The second motor is fixedly connected to one side of the shot blasting machine, and the output shaft of the second motor extends into the rotating groove. A worm is fixedly connected to the output shaft of the second motor, and the worm is engaged with the worm wheel.

[0017] In this technical solution, it is ensured that the sliding rod can be affected by the threads of the two threaded rods and move along the first sliding groove.

[0018] In the above technical solution, further, one end of the two first bevel gears is rotatably connected to the first sliding groove.

[0019] In this technical solution, it is ensured that one end of the two first bevel gears can rotate normally in the first sliding groove.

[0020] In the above technical solution, further, the second bevel gear is located in the gear groove and is rotationally connected to the gear groove.

[0021] In this technical solution, it is ensured that the second bevel gear can rotate normally in the gear groove.

[0022] In the above technical solution, further, both ends of the connecting rod are rotatably connected to the two gear grooves respectively.

[0023] In this technical solution, it is ensured that both ends of the connecting rod can rotate normally in the two gear grooves respectively.

[0024] In the above technical solution, further, the output shaft of the second motor is rotationally connected to the rotating slot.

[0025] In this technical solution, it is ensured that the output shaft of the second motor can rotate normally in the rotation slot.

[0026] In the above technical solution, further, the worm is located in the rotating groove and is rotationally connected to the rotating groove.

[0027] In this technical solution, it is ensured that the worm can rotate normally in the rotation groove.

[0028] The beneficial effects of the utility model are:

[0029] 1. The high-efficiency shot blasting machine for metal sheets ensures that the slide rod can slide in the first slide groove through the provided first slide groove, and through the provided driving assembly and threaded rod, ensures that the user can drive the two threaded rods to rotate through the driving assembly, so that the slide rod is acted upon by the threads of the two threaded rods and moves along the first slide groove, and ensures that when the slide rod moves to a suitable position, the slide rod drives the brush to move to the top surface of the turntable through the rotating plate. Then the user starts the first motor, so that the output shaft of the first motor drives the rotating plate to rotate above the turntable, so that the rotating plate drives the brush to rotate on the top surface of the turntable, so that the brush cleans the copper shots remaining on the turntable, solving the problem that when the user opens the chamber door on the shot blasting machine, the chamber door drives the turntable to move to the outside, and the steel shots remaining on the turntable and the metal sheet may be scattered on the outside ground, causing the user to manually clean the steel shots scattered on the ground.

[0030] 2. The high-efficiency shot blasting machine for metal sheets ensures that the multiple sliders can respectively drive the brushes to move up and down along the multiple second slides through the provided second slides, and the provided springs ensure that when the brushes move to the appropriate positions, the multiple sliders are respectively acted upon by the elastic forces of the multiple springs to drive the brushes to always adhere to the top surface of the turntable and the metal sheet on the turntable. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0032] Figure 2 This is one of the internal structure diagrams of the shot blasting machine of the utility model;

[0033] Figure 3 This is a schematic cross-sectional view of the shot blasting machine of the present invention;

[0034] Figure 4 This is the second schematic diagram of the internal structure of the shot blasting machine of the utility model;

[0035] Figure 5 for Figure 2 A in the middle is an enlarged structural diagram;

[0036] Figure 6 It is a schematic diagram of the regional structure of the sliding rod of the utility model;

[0037] Figure 7 It is a schematic diagram of the internal structure of the rotating plate of the utility model.

[0038] The marks in the figure are:

[0039] 1. Shot blasting machine; 2. Turntable; 3. First chute; 4. Slide rod; 5. Threaded rod; 6. Mounting slot; 7. First motor; 8. Rotating plate; 9. Second chute; 10. Slider; 11. Spring; 12. Brush; 13. Gear slot; 14. First bevel gear; 15. Second bevel gear; 16. Through slot; 17. Connecting rod; 18. Rotating slot; 19. Worm gear; 20. Second motor; 21. Worm. DETAILED DESCRIPTION

[0040] The following will be combined with the accompanying drawings in the embodiments of the present application to clearly describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field are within the scope of protection of this application.

[0041] In the description of this application, it should be noted that the terms used herein are only for the purpose of describing specific embodiments and are not intended to limit the exemplary embodiments according to this application. For ease of description, the dimensions of the various parts shown in the drawings are not drawn according to the actual proportional relationship. Technologies, methods and equipment known to ordinary technicians in the relevant fields may not be discussed in detail, but where appropriate, the technologies, methods and equipment should be considered as part of the authorization specification. In all examples shown and discussed here, any specific values ​​should be interpreted as merely exemplary and not as limitations. Therefore, other examples of the exemplary embodiments may have different values. It should be noted that similar numbers and letters represent similar items in the following figures, so once an item is defined in one figure, it does not need to be further discussed in subsequent figures.

[0042] It should be noted that the terms "first," "second," etc. in the specification and claims of this application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It should be understood that the data used in this way are interchangeable where appropriate, so that the embodiments of this application can be implemented in an order other than those illustrated or described herein, and that the objects distinguished by "first," "second," etc. are generally of the same type, and do not limit the number of objects. For example, the first object can be one or more. In addition, "and / or" in the specification and claims represents at least one of the connected objects, and the character " / " generally indicates that the objects associated with each other are in an "or" relationship.

[0043] It should be noted that, in the description of this application, the directions or positional relationships indicated by directional terms such as "front, back, up, down, left, right", "horizontal, vertical, vertical, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description. Unless otherwise specified, these directional terms do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction. Therefore, they cannot be understood as limiting the scope of protection of this application; the directional terms "inside and outside" refer to the inside and outside relative to the outline of each component itself.

[0044] It should be noted that, in the present application, the terms "comprise", "include" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the statement "comprises a ..." does not exclude the presence of other identical elements in the process, method, article or device comprising the element. In addition, it should be pointed out that the scope of the methods and devices in the embodiments of the present application is not limited to performing functions in the order shown or discussed, and may also include performing functions in a substantially simultaneous manner or in the opposite order according to the functions involved. For example, the described method may be performed in an order different from that described, and various steps may also be added, omitted, or combined. In addition, the features described with reference to certain examples may be combined in other examples.

[0045] Example 1:

[0046] See also Figure 1 - Figure 7 As shown, this embodiment provides a high-efficiency shot blasting machine for metal sheets, including a shot blasting machine 1 and a turntable 2, and also includes:

[0047] A first chute 3 is provided on the inner wall of the shot blasting machine 1. A slide rod 4 is slidably connected in the first chute 3. Two threaded rods 5 are internally threadedly connected to the slide rod 4. The two threaded rods 5 are located in the first chute 3 and are rotatably connected to the first chute 3.

[0048] A drive assembly is located inside the shot blasting machine 1 and is used to drive the two threaded rods 5 to rotate;

[0049] The mounting groove 6 is provided in the slide bar 4 and is connected to the inner cavity of the shot blasting machine 1. The first motor 7 is fixedly connected in the mounting groove 6, and the output shaft of the first motor 7 extends into the inner cavity of the shot blasting machine 1. A rotating plate 8 is fixedly connected to the output shaft of the first motor 7, and the rotating plate 8 is located in the inner cavity of the shot blasting machine 1 and above the turntable 2. A plurality of second chutes 9 connected to the outside world are provided in the rotating plate 8. A plurality of sliders 10 are respectively slidably connected in the plurality of second chutes 9, and one end of the plurality of sliders 10 extends into the inner cavity of the shot blasting machine 1. The other ends of the plurality of sliders 10 are respectively fixedly connected to a plurality of springs 11, and one end of the plurality of springs 11 is respectively fixed to the inner wall of the plurality of second chutes 9. A brush 12 is fixedly connected to one end of the plurality of sliders 10, and the brush 12 is located above the turntable 2.

[0050] Example 2:

[0051] This embodiment provides a high-efficiency shot blasting machine for metal sheets. In addition to the technical solutions of the above embodiments, it also has the following technical features. The drive assembly includes:

[0052] Two gear grooves 13 are provided in the shot blasting machine 1 and are connected to the first chute 3. Two first bevel gears 14 are rotatably connected in the two gear grooves 13, and one end of the two first bevel gears 14 extends into the first chute 3 and is fixed to one end of the two threaded rods 5 respectively. One side of the two first bevel gears 14 is respectively engaged with two second bevel gears 15;

[0053] A through slot 16 is provided in the shot blasting machine 1 and is connected to the two gear slots 13. A connecting rod 17 is rotatably connected in the through slot 16, and both ends of the connecting rod 17 extend into the two gear slots 13 and are fixed to the two second bevel gears 15 respectively.

[0054] A rotating groove 18 is formed on the inner wall of the through groove 16 and communicates with the outside. A worm gear 19 fixed to the circumference of the connecting rod 17 is rotatably connected in the rotating groove 18.

[0055] The second motor 20 is fixedly connected to one side of the shot blasting machine 1 , and the output shaft of the second motor 20 extends into the rotating groove 18 . A worm 21 is fixedly connected to the output shaft of the second motor 20 , and the worm 21 is engaged with the worm wheel 19 .

[0056] Among them, the user starts the second motor 20, and the output shaft of the second motor 20 drives the worm 21 to rotate in the rotating groove 18, so that the worm 21 drives the worm wheel 19 to rotate in the rotating groove 18. When the worm wheel 19 rotates, the worm wheel 19 drives the connecting rod 17 to rotate in the through groove 16, so that the two ends of the connecting rod 17 respectively drive the two second bevel gears 15 to rotate in the two gear grooves 13, and the two second bevel gears 15 respectively drive the two first bevel gears 14 to rotate in the two gear grooves 13, so that the two first bevel gears 14 respectively drive the two threaded rods 5 to rotate in the first sliding groove 3, ensuring that the sliding rod 4 can be affected by the threads of the two threaded rods 5 and move along the first sliding groove 3.

[0057] Example 3:

[0058] This embodiment provides a high-efficiency shot blasting machine for metal sheets. In addition to the technical solutions of the above embodiments, it also has the following technical features: one end of the two first bevel gears 14 is rotatably connected to the first slide groove 3.

[0059] Here, it is ensured that one end of the two first bevel gears 14 can rotate normally in the first sliding groove 3 .

[0060] Example 4:

[0061] This embodiment provides a high-efficiency shot blasting machine for metal plates. In addition to the technical solutions of the above embodiments, it also has the following technical features: the second bevel gear 15 is located in the gear groove 13 and is rotatably connected to the gear groove 13.

[0062] Here, it is ensured that the second bevel gear 15 can rotate normally in the gear groove 13 .

[0063] Example 5:

[0064] This embodiment provides a high-efficiency shot blasting machine for metal plates. In addition to the technical solutions of the above embodiments, it also has the following technical features: both ends of the connecting rod 17 are rotatably connected to the two gear grooves 13 respectively.

[0065] Here, it is ensured that both ends of the connecting rod 17 can rotate normally in the two gear grooves 13 respectively.

[0066] Example 6:

[0067] This embodiment provides a high-efficiency shot blasting machine for metal sheets. In addition to the technical solutions of the above embodiments, it also has the following technical features: the output shaft of the second motor 20 is rotatably connected to the rotating groove 18.

[0068] Here, it is ensured that the output shaft of the second motor 20 can rotate normally in the rotation slot 18 .

[0069] Example 7:

[0070] This embodiment provides a high-efficiency shot blasting machine for metal plates. In addition to the technical solutions of the above embodiments, it also has the following technical features: the worm 21 is located in the rotating groove 18 and is rotatably connected to the rotating groove 18.

[0071] Here, it is ensured that the worm 21 can rotate normally in the rotation groove 18 .

[0072] When the user finishes processing the metal sheet, the user starts the second motor 20, and the output shaft of the second motor 20 drives the worm 21 to rotate in the rotating groove 18, so that the worm 21 drives the worm wheel 19 to rotate in the rotating groove 18. When the worm wheel 19 rotates, the worm wheel 19 drives the connecting rod 17 to rotate in the through groove 16, so that the two ends of the connecting rod 17 respectively drive the two second bevel gears 15 to rotate in the two gear grooves 13, and the two second bevel gears 15 respectively drive the two first bevel gears 14 to rotate in the two gear grooves 13, so that the two first bevel gears 14 are respectively driven to rotate in the two gear grooves 13. The two threaded rods 5 are driven to rotate in the first slide groove 3, so that the slide rod 4 is affected by the threads of the two threaded rods 5 and moves along the first slide groove 3, so that the slide rod 4 drives the brush 12 to move toward the turntable 2 through the rotating plate 8. When the brush 12 moves to the appropriate position, the multiple sliders 10 are respectively affected by the rebound force of the multiple springs 11, driving the brush 12 to always stick to the top surface of the turntable 2 and the metal plate on the turntable 2. Then the user starts the first motor 7, and the output shaft of the first motor 7 drives the rotating plate 8 to rotate, so that the rotating plate 8 brings The dynamic brush 12 rotates so that the brush 12 can clean the copper shot remaining on the top surface of the turntable 2 and the metal plate on the turntable 2. After cleaning, the user can open the door of the shot blasting machine 1 and take the metal plate out of the turntable 2. Then the user starts the second motor 20 again, and the output shaft of the second motor 20 drives the worm 21 to rotate in the reverse direction, so that the worm 21 drives the worm wheel 19 to rotate in the reverse direction in the rotating groove 18. When the worm wheel 19 rotates in the reverse direction, the worm wheel 19 will drive the connecting rod 17 to rotate in the reverse direction in the through groove 16, so that the connecting rod The two ends of 17 respectively drive the two second bevel gears 15 to rotate in the two gear grooves 13 in the opposite direction, so that the two second bevel gears 15 respectively drive the two first bevel gears 14 to rotate in the opposite direction in the two gear grooves 13, so that the two first bevel gears 14 respectively drive the two threaded rods 5 to rotate in the first slide groove 3 in the opposite direction, so that the slide rod 4 is affected by the threads of the two threaded rods 5 and moves in the opposite direction along the first slide groove 3, so that the slide rod 4 drives the brush 12 to move away from the turntable 2 through the rotating plate 8, and the rotating plate 8 is reset, so that the shot blasting machine 1 can be used normally.

[0073] The embodiments of the present application are described above in conjunction with the accompanying drawings. Unless there is a conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the guidance of this application, ordinary technicians in this field can also make many forms without departing from the purpose of this application and the scope of protection of the claims, all of which are within the protection of this application.

Claims

1. A high-efficiency shot blasting machine for metal sheets, comprising a shot blasting machine (1) and a turntable (2), characterized in that: Also includes: A first chute (3), the first chute (3) being arranged on the inner wall of the shot blasting machine (1), a slide rod (4) being slidably connected in the first chute (3), two threaded rods (5) being connected to the inner thread of the slide rod (4), and the two threaded rods (5) being located in the first chute (3) and being rotatably connected to the first chute (3); A drive assembly, the drive assembly being located in the shot blasting machine (1) and being used to drive the two threaded rods (5) to rotate; The mounting groove (6) is provided in the slide bar (4) and is connected to the inner cavity of the shot blasting machine (1). A first motor (7) is fixedly connected to the mounting groove (6), and the output shaft of the first motor (7) extends into the inner cavity of the shot blasting machine (1). A rotating plate (8) is fixedly connected to the output shaft of the first motor (7), and the rotating plate (8) is located in the inner cavity of the shot blasting machine (1) and above the turntable (2). A plurality of holes are provided in the rotating plate (8) that are connected to the outside. A second chute (9), wherein a plurality of sliders (10) are slidably connected in the plurality of second chute (9), and one end of the plurality of sliders (10) extends into the inner cavity of the shot blasting machine (1), and the other ends of the plurality of sliders (10) are fixedly connected to a plurality of springs (11), and one end of the plurality of springs (11) is fixed to the inner wall of the plurality of second chute (9), and one end of the plurality of sliders (10) is fixedly connected to a brush (12), and the brush (12) is located above the turntable (2).

2. The high-efficiency metal plate shot blasting machine according to claim 1, characterized in that: The drive assembly includes: Two gear grooves (13), the two gear grooves (13) are provided in the shot blasting machine (1) and are connected to the first chute (3), two first bevel gears (14) are rotatably connected in the two gear grooves (13), and one end of the two first bevel gears (14) extends into the first chute (3) and is fixed to one end of the two threaded rods (5), respectively, and one side of the two first bevel gears (14) is respectively engaged with two second bevel gears (15); A through slot (16), the through slot (16) is provided in the shot blasting machine (1) and is connected to the two gear slots (13), a connecting rod (17) is rotatably connected in the through slot (16), and both ends of the connecting rod (17) extend into the two gear slots (13) and are fixed to the two second bevel gears (15) respectively; A rotating groove (18), the rotating groove (18) is formed on the inner wall of the through groove (16) and is in communication with the outside, and a worm gear (19) fixed to the circumference of the connecting rod (17) is rotatably connected in the rotating groove (18); A second motor (20), wherein the second motor (20) is fixedly connected to one side of the shot blasting machine (1), and an output shaft of the second motor (20) extends into the rotating groove (18), a worm (21) is fixedly connected to the output shaft of the second motor (20), and the worm (21) is meshed with the worm wheel (19).

3. The high-efficiency metal plate shot blasting machine according to claim 2, characterized in that: One end of the two first bevel gears (14) is rotatably connected to the first sliding groove (3).

4. The high-efficiency metal plate shot blasting machine according to claim 2, characterized in that: The second bevel gear (15) is located in the gear groove (13) and is rotationally connected to the gear groove (13).

5. The high-efficiency metal plate shot blasting machine according to claim 2, characterized in that: Both ends of the connecting rod (17) are rotatably connected to the two gear grooves (13) respectively.

6. The high-efficiency metal plate shot blasting machine according to claim 2, characterized in that: The output shaft of the second motor (20) is rotationally connected to the rotation slot (18).

7. The high-efficiency metal plate shot blasting machine according to claim 2, characterized in that: The worm (21) is located in the rotation groove (18) and is rotationally connected to the rotation groove (18).

Images