Synchronous transferring mechanism for inner barrel of washing machine

Abstract

The invention belongs to the technical field of washing machine assembly, and particularly relates to a washing machine inner barrel synchronous transferring mechanism which comprises a rack and further comprises a plurality of fixing blocks fixedly connected to the bottom face of the rack. The base is arranged below the rack, a plurality of limiting grooves are formed in the inner wall of the base, limiting blocks fixedly connected with the rack are slidably connected into the limiting grooves, a plurality of first sliding grooves are formed in the top face of the base, and first sliding blocks are slidably connected into the first sliding grooves; a plurality of supporting rods are rotationally connected between the first sliding blocks and the fixing blocks. The height of the machine frame can be accurately adjusted and controlled, the whole device is made to be matched in a self-adaptive mode according to the height standard of upstream and downstream stations, the flexible adaptation range of the device and the production line compatibility are greatly widened, and the automatic connection efficiency of the production line is remarkably improved.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of washing machine assembly, and particularly relates to a washing machine inner drum synchronous transfer mechanism. BACKGROUND

[0002] The washing machine inner drum synchronous transfer mechanism is an automatic handling device applied to a washing machine inner drum production, assembly and detection production line, and the core function thereof is to realize multi-point synchronous and accurate beat transfer of multiple inner drums or a single inner drum, guarantee efficient flow of the inner drum between processes such as stamping, welding, assembly and dynamic balance detection, and meet the positioning accuracy requirements of process stations.

[0003] The traditional synchronous transfer mechanism adopts a fixed height design, and the reference heights of process stations such as a conveying line, a static detection table, a bearing assembly table and a balance ring installation table of the washing machine inner drum production line generally differ. Limited by the structure characteristics of the height that cannot be adjusted, the mechanism cannot be adaptively matched according to the height references of upstream and downstream stations, not only is it difficult to realize seamless transfer connection of the inner drum between different processes, but also is prone to transfer faults between stations, greatly reduces the adaptation capability of the mechanism to mixed-line production of multiple specifications of inner drums, and restricts the automation flow efficiency and the flexible production level of the production line. In view of this, the washing machine inner drum synchronous transfer mechanism is provided. SUMMARY

[0004] The application aims to provide a washing machine inner drum synchronous transfer mechanism to solve the problems in the background.

[0005] Therefore, the application provides a washing machine inner drum synchronous transfer mechanism, which comprises a rack and further comprises: A plurality of fixed blocks are fixedly connected to the bottom surface of the rack. A base is arranged below the rack, a plurality of limiting grooves are formed in the inner wall of the base, a plurality of limiting blocks fixedly connected with the rack are slidably connected in the limiting grooves, a plurality of first sliding grooves are formed in the top surface of the base, a plurality of first sliding blocks are slidably connected in the first sliding grooves, and a plurality of supporting rods are rotatably connected between the plurality of first sliding blocks and the plurality of fixed blocks. A driving assembly is arranged in the base and used to drive the plurality of first sliding blocks to move.

[0006] In the technical solution, the height of the rack can be controlled according to the installation requirements.

[0007] In the above technical solution, further, the driving assembly comprises: Second sliding grooves are arranged in the base and are communicated with the first sliding grooves, second sliding blocks are slidably connected in the second sliding grooves, the top ends of the second sliding blocks extend into the first sliding grooves and are fixedly connected with the first sliding blocks, and screws are threadedly connected in the second sliding blocks; Two first rotating grooves are arranged in the base and are communicated with the second sliding grooves, first connecting rods are rotatably connected in the first rotating grooves, and the two ends of the first connecting rods extend into the second sliding grooves and are fixedly connected with the screws; Two first gear grooves are arranged in the base and are communicated with the second sliding grooves, first bevel gears and second bevel gears are rotatably connected in the first gear grooves, the first bevel gears and the second bevel gears are meshed with each other, one end of the first bevel gears extends into the second sliding grooves and is fixedly connected with the screws; A second rotating groove is arranged in the base and is communicated with the first gear grooves, a second connecting rod is rotatably connected in the second rotating groove, and the two ends of the second connecting rod extend into the first gear grooves and are fixedly connected with the second bevel gears; A movable groove is arranged on the inner wall of the second rotating groove and is communicated with the outside, and a first sprocket fixedly connected with the second connecting rod is rotatably connected in the movable groove; A driving motor is fixedly connected on one side of the base, a second sprocket is fixedly connected on the output shaft of the driving motor, and a chain is meshed between the second sprocket and the first sprocket.

[0008] In the technical scheme, the user can control the second sliding blocks to move simultaneously.

[0009] In the above technical scheme, further, the top end of the second sliding block is slidably connected with the first sliding groove, the screw is rotatably connected in the second sliding groove, the screw threads on the two screws are opposite in rotation direction, and the screw pitches of the screw threads are the same.

[0010] In the technical scheme, when the second sliding block slides, the top end of the second sliding block can normally slide in the first sliding groove, and when the screw rotates, the screw can normally rotate in the second sliding groove, and because the screw threads on the two screws are opposite in rotation direction and the screw pitches of the screw threads are the same, when the two screws rotate, the two second sliding blocks are respectively subjected to the action of the screw threads opposite in rotation direction on the two screws, and approach each other or separate away from each other.

[0011] Further, two ends of the two first connecting rods are respectively rotatably connected with the plurality of second sliding grooves, one end of the two first bevel gears is respectively rotatably connected with two of the second sliding grooves, and two ends of the second connecting rod are respectively rotatably connected with the two first gear grooves.

[0012] In the technical solution, when the two first connecting rods rotate, the two ends of the two first connecting rods can normally rotate in the plurality of second sliding grooves, when the two first bevel gears rotate, one end of the two first bevel gears can normally rotate in two of the second sliding grooves, and when the second connecting rod rotates, the two ends of the second connecting rod can normally rotate in the two first gear grooves.

[0013] In the technical solution, further, the adjusting assembly comprises: A third sliding groove is formed in the inner wall of the movable groove, a tensioning wheel is slidably connected in the third sliding groove, and the tensioning wheel is attached to the chain; An adjusting assembly is located in the base and used to move the tensioning wheel.

[0014] In the technical solution, the user can control the tension of the chain, and the stability of the overall device is improved.

[0015] In the technical solution, further, the adjusting assembly comprises: A fourth sliding groove is formed in the inner wall of the third sliding groove, a third sliding block is slidably connected in the fourth sliding groove, one end of the third sliding block extends into the third sliding groove and is fixedly connected with the tensioning wheel, and a screw is threadedly connected in the third sliding block; A through groove is formed in the inner wall of the fourth sliding groove and is connected with the outside; A servo motor is fixedly connected to the base, and an output shaft of the servo motor penetrates through the through groove and extends into the fourth sliding groove and is fixedly connected with the screw.

[0016] In the technical solution, the user can control the movement of the tensioning wheel.

[0017] In the technical solution, further, one end of the third sliding block is slidably connected with the third sliding groove, and the tensioning wheel is slidably connected with the movable groove.

[0018] In the technical solution, when the third sliding block slides, one end of the third sliding block can normally slide in the third sliding groove, and because the tensioning wheel is slidably connected with the movable groove, when the tensioning wheel slides, the tensioning wheel can normally slide into the movable groove.

[0019] In the above technical solution, the bolt is located in the fourth slide groove and is rotatably connected to the fourth slide groove, and the output shaft of the servo motor is rotatably connected to the through groove and the fourth slide groove.

[0020] In this technical solution, it is ensured that when the bolt rotates, the bolt can rotate normally in the fourth slide groove, and it is also ensured that when the servo motor is started, the output shaft of the servo motor can rotate normally in the through groove and the fourth slide groove.

[0021] The beneficial effects of this invention are: 1. The washing machine inner drum synchronous transfer mechanism, through the setting of a second sliding groove, a second slider, a screw, a first rotating groove, a first connecting rod, a first gear groove, a first bevel gear, a second bevel gear, a second rotating groove, a second connecting rod, a movable groove, a first sprocket, a drive motor, a second sprocket, and a chain, allows the user to drive several second sliders to move. Through the setting of fixed blocks, a base, a limiting groove, a limiting block, a first sliding groove, a first slider, and a support rod, when several second sliders move, several second sliders can lift several fixed blocks through several first sliders and several support rods. The design of the above structure realizes the control of the frame height, allowing the overall device to adaptively match the height benchmark of the upstream and downstream workstations, thereby improving the applicability of the overall device.

[0022] 2. The inner drum synchronous transfer mechanism of this washing machine, through the setting of a third sliding groove and a tensioning wheel, allows the tensioning wheel to move along the third sliding groove. Through the setting of a fourth sliding groove, a third slider, a bolt, a through groove and a servo motor, the user can control the movement of the tensioning wheel so that the tensioning wheel can squeeze the chain. The above structure design realizes the control of the chain tension and prevents the chain from falling off during long-term use. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram of the overall exploded structure of the present invention; Figure 3 This is a schematic diagram of the regional structure of the base in this invention; Figure 4 This is a cross-sectional view of the base in this invention; Figure 5 This is a schematic diagram of the internal structure of the base in this invention; Figure 6 For the present invention Figure 5 Enlarged structural diagram at point A in the middle; Figure 7 This is one of the schematic diagrams of the regional structure of the third chute in this invention; Figure 8It is a schematic view of the third sliding groove region structure in the application.

[0024] The mark in the figure represents: 1, rack; 2, fixed block; 3, base; 4, limiting groove; 5, limiting block; 6, first sliding groove; 7, first sliding block; 8, support rod; 9, second sliding groove; 10, second sliding block; 11, screw rod; 12, first rotating groove; 13, first connecting rod; 14, first gear groove; 15, first bevel gear; 16, second bevel gear; 17, second rotating groove; 18, second connecting rod; 19, movable groove; 20, first sprocket; 21, drive motor; 22, second sprocket; 23, chain; 24, third sliding groove; 25, tension pulley; 26, fourth sliding groove; 27, third sliding block; 28, bolt; 29, through groove; 30, servo motor. DETAILED DESCRIPTION

[0025] The following will be described in detail in combination with the accompanying Figure 1 - Figure 8 The application will be further described in detail.

[0026] In the present application, the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are mainly used to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation.

[0027] Embodiment 1: The present embodiment provides a washing machine inner drum synchronous transfer mechanism, comprising a rack 1, further comprising: A plurality of fixed blocks 2 are fixedly connected to the bottom surface of the rack 1; A base 3 is arranged below the rack 1, a plurality of limiting grooves 4 are formed in the inner wall of the base 3, a plurality of limiting blocks 5 fixedly connected with the rack 1 are slidably connected in the plurality of limiting grooves 4, a plurality of first sliding grooves 6 are formed in the top surface of the base 3, a plurality of first sliding blocks 7 are slidably connected in the plurality of first sliding grooves 6, and a plurality of support rods 8 are rotatably connected between the plurality of first sliding blocks 7 and the plurality of fixed blocks 2; A drive assembly is located in the base 3 and is used to move the plurality of first sliding blocks 7.

[0028] Wherein, in use, the user drives the several second sliding blocks 10 to move along the several second sliding grooves 9, so that the front two second sliding blocks 10 and the rear two second sliding blocks 10 are close to each other or are separated in the opposite direction, and the several second sliding blocks 10 drive the several first sliding blocks 7 to move, so that the several first sliding blocks 7 are lifted by the several supporting rods 8 and the several fixed blocks 2, thereby ensuring that the user can control the height of the rack 1 according to the installation requirements.

[0029] Embodiment 2: The embodiment provides a washing machine inner drum synchronous transfer mechanism, in addition to the technical solutions of the above-mentioned embodiments, further having the following technical features, the driving assembly comprises: The several second sliding grooves 9 are opened in the base 3 and are in communication with the several first sliding grooves 6, the second sliding blocks 10 are slidably connected in the several second sliding grooves 9, the top ends of the several second sliding blocks 10 extend into the several first sliding grooves 6 and are fixedly connected with the several first sliding blocks 7, and the screw rods 11 are threadedly connected in the several second sliding blocks 10; The two first rotating grooves 12 are opened in the base 3 and are in communication with the several second sliding grooves 9, the first connecting rods 13 are rotatably connected in the two first rotating grooves 12, and the two ends of the two first connecting rods 13 extend into the several second sliding grooves 9 and are fixedly connected with the several screw rods 11; The two first gear grooves 14 are opened in the base 3 and are in communication with the two second sliding grooves 9, the first bevel gears 15 and the second bevel gears 16 are rotatably connected in the two first gear grooves 14, the first bevel gears 15 and the second bevel gears 16 are in meshing connection, one end of each of the two first bevel gears 15 extends into the two second sliding grooves 9 and is fixedly connected with the two screw rods 11; The second rotating groove 17 is opened in the base 3 and is in communication with the two first gear grooves 14, the second connecting rod 18 is rotatably connected in the second rotating groove 17, and the two ends of the second connecting rod 18 extend into the two first gear grooves 14 and are fixedly connected with the two second bevel gears 16; The movable groove 19 is opened on the inner wall of the second rotating groove 17 and is in communication with the outside, and the first sprocket 20 fixedly connected with the second connecting rod 18 is rotatably connected in the movable groove 19; The driving motor 21 is fixedly connected on one side of the base 3, the second sprocket 22 is fixedly connected on the output shaft of the driving motor 21, and the chain 23 is meshed between the second sprocket 22 and the first sprocket 20.

[0030] The user starts the driving motor 21 to drive the output shaft of the driving motor 21 to rotate the second sprocket 22, drive the first sprocket 20 to rotate through the chain 23, drive the second connecting rod 18 to rotate in the second rotating groove 17, drive the two second bevel gears 16 at the two ends of the second connecting rod 18 to rotate in the two first gear grooves 14, drive the two first bevel gears 15 to rotate, drive the two screw rods 11 in the two second sliding grooves 9 to rotate, drive the other two screw rods 11 through the two first connecting rods 13, and drive the second sliding blocks 10 to move simultaneously.

[0031] In embodiment 3, the top end of the second sliding block 10 is slidably connected with the first sliding groove 6, the screw rod 11 is located in the second sliding groove 9 and rotationally connected with the second sliding groove 9, the screw threads on the two screw rods 11 are opposite in rotation direction and have the same pitch.

[0032] When the second sliding block 10 slides, the top end of the second sliding block 10 can normally slide in the first sliding groove 6, when the screw rod 11 rotates, the screw rod 11 can normally rotate in the second sliding groove 9, and when the two screw rods 11 rotate, the two second sliding blocks 10 are respectively affected by the screw threads on the two screw rods 11, and approach each other or separate away from each other.

[0033] In embodiment 4, the two ends of the two first connecting rods 13 are rotationally connected with the second sliding grooves 9, one end of the two first bevel gears 15 is rotationally connected with the two second sliding grooves 9, and the two ends of the second connecting rod 18 are rotationally connected with the first gear grooves 14.

[0034] When the two first connecting rods 13 rotate, the two ends of the two first connecting rods 13 can normally rotate in the second sliding grooves 9, when the two first bevel gears 15 rotate, one end of the two first bevel gears 15 can normally rotate in the two second sliding grooves 9, and when the second connecting rod 18 rotates, the two ends of the second connecting rod 18 can normally rotate in the first gear grooves 14.

[0035] Example 5: This example provides a synchronous transfer mechanism for the inner drum of a washing machine. In addition to the technical solutions of the above embodiments, it also has the following technical features, and further includes: The third slide groove 24 is opened on the inner wall of the movable groove 19. The tension wheel 25 is slidably connected in the third slide groove 24 and is in contact with the chain 23. An adjustment component is located inside the base 3 and is used to move the tension wheel 25.

[0036] In use, the user moves the tension wheel 25 along the third slide groove 24 by adjusting the component, so that the tension wheel 25 can squeeze the chain 23, ensuring that the user can control the tension of the chain 23 and improve the stability of the overall device.

[0037] Example 6: This example provides a synchronous transfer mechanism for the inner drum of a washing machine. In addition to the technical solutions described in the above examples, it also has the following technical features: the adjusting components include: The fourth slide groove 26 is formed on the inner wall of the third slide groove 24. The third slider 27 is slidably connected in the fourth slide groove 26, and one end of the third slider 27 extends into the third slide groove 24 and is fixedly connected to the tension wheel 25. The third slider 27 is threaded with a bolt 28. Through groove 29 is formed on the inner wall of the fourth slide groove 26 and is connected to the outside. Servo motor 30 is fixedly connected to base 3, and the output shaft of servo motor 30 passes through through groove 29 and extends into fourth slide groove 26 and is fixedly connected to bolt 28.

[0038] In use, the user starts the servo motor 30, causing the output shaft of the servo motor 30 to drive the bolt 28 to rotate in the fourth slide groove 26. This causes the third slider 27 to move along the fourth slide groove 26 under the action of the bolt 28 thread. The third slider 27 then drives the tension wheel 25 to move along the third slide groove 24, ensuring that the user can control the movement of the tension wheel 25.

[0039] Example 7: This example provides a synchronous transfer mechanism for the inner drum of a washing machine. In addition to the technical solutions of the above examples, it also has the following technical features: one end of the third slider 27 is slidably connected to the third slide groove 24, and the tensioning wheel 25 is slidably connected to the movable groove 19.

[0040] Specifically, it is ensured that when the third slider 27 slides, one end of the third slider 27 can slide normally within the third slide groove 24, and because the tension wheel 25 is slidably connected to the movable groove 19, when the tension wheel 25 slides, the tension wheel 25 can normally enter the movable groove 19 for sliding.

[0041] In the embodiment 8, the bolt 28 is located in the fourth sliding groove 26 and is rotationally connected with the fourth sliding groove 26, and the output shaft of the servo motor 30 is rotationally connected with the through groove 29 and the fourth sliding groove 26.

[0042] The bolt 28 can rotate normally in the fourth sliding groove 26 when the bolt 28 rotates, and the output shaft of the servo motor 30 can rotate normally in the through groove 29 and the fourth sliding groove 26 when the servo motor 30 is started.

[0043] Working principle: In use, the user starts the driving motor 21 to drive the output shaft of the driving motor 21 to rotate the second sprocket 22, drive the first sprocket 20 to rotate through the chain 23, drive the second connecting rod 18 to rotate in the second rotating groove 17, drive the two second bevel gears 16 in the two first gear grooves 14 through the two ends of the second connecting rod 18, drive the two first bevel gears 15 to rotate through the two second bevel gears 16, drive the two screw rods 11 in the two second sliding grooves 9 through the two first bevel gears 15, drive the other two screw rods 11 through the two first connecting rods 13, and when the screw rods 11 rotate, the second sliding blocks 10 are moved along the second sliding grooves 9 through the threads of the screw rods 11, the two second sliding blocks 10 on the front side and the two second sliding blocks 10 on the back side are moved towards each other or separated in the opposite direction, the first sliding blocks 7 are moved through the second sliding blocks 10, the rack 1 is lifted through the first sliding blocks 7, the support rods 8 and the fixed blocks 2, and the height of the rack 1 can be controlled according to the installation requirements. In use, the user starts the servo motor 30 to drive the output shaft of the servo motor 30 to rotate the bolt 28 in the fourth sliding groove 26, the third sliding block 27 is moved along the fourth sliding groove 26 through the threads of the bolt 28, the tension pulley 25 is moved along the third sliding groove 24 through the third sliding block 27, the tension pulley 25 can extrude the chain 23, and the tension of the chain 23 can be controlled to improve the stability of the overall device.

[0044] The embodiments of the present application are described above with reference to the drawings, and the embodiments and features in the embodiments of the present application can be combined with each other without conflict, and the present application is not limited to the above-described specific embodiments, and the above-described specific embodiments are only illustrative but not restrictive, and a person of ordinary skill in the art can make many forms under the inspiration of the present application without departing from the purpose of the present application and the scope protected by the claims, and all belong to the protection of the present application.

Claims

1. A synchronous transfer mechanism for the inner drum of a washing machine, comprising a frame (1), characterized in that, Also includes: Several fixing blocks (2) are fixedly connected to the bottom surface of the frame (1); The base (3) is located below the frame (1). The inner wall of the base (3) is provided with several limiting grooves (4). Each of the several limiting grooves (4) is slidably connected to a limiting block (5) that is fixedly connected to the frame (1). The top surface of the base (3) is provided with several first sliding grooves (6). Each of the several first sliding grooves (6) is slidably connected to a first slider (7). Each of the several first sliders (7) and several fixed blocks (2) are rotatably connected to several support rods (8). A drive assembly located within the base (3) and used to move several first sliders (7).

2. The synchronous transfer mechanism for the inner drum of a washing machine according to claim 1, characterized in that, The driving component includes: A number of second slide grooves (9) are formed in the base (3) and are respectively connected to a number of first slide grooves (6). A second slider (10) is slidably connected in each of the number of second slide grooves (9), and the top of each of the number of second sliders (10) extends into the number of first slide grooves (6) and is respectively fixedly connected to a number of first sliders (7). A screw (11) is threaded into each of the number of second sliders (10). Two first rotating slots (12) are opened in the base (3) and are respectively connected to several second sliding slots (9). Two first rotating slots (12) are rotatably connected to first connecting rods (13), and the two ends of the two first connecting rods (13) extend into several second sliding slots (9) and are respectively fixedly connected to several screws (11). Two first gear slots (14) are formed in the base (3) and are respectively connected to two second slides (9). A first bevel gear (15) and a second bevel gear (16) are rotatably connected in each of the two first gear slots (14), and the first bevel gear (15) and the second bevel gear (16) mesh with each other. One end of each of the two first bevel gears (15) extends into one of the two second slides (9) and is respectively fixedly connected to one of the two screws (11). The second rotating groove (17) is opened in the base (3) and connected to the two first gear grooves (14). The second rotating groove (17) is rotatably connected to the second connecting rod (18), and the two ends of the second connecting rod (18) extend into the two first gear grooves (14) and are fixedly connected to the two second bevel gears (16). The movable groove (19) is opened on the inner wall of the second rotating groove (17) and is connected to the outside. The movable groove (19) is rotatably connected to the first sprocket (20) which is fixedly connected to the second connecting rod (18). A drive motor (21) is fixedly connected to one side of the base (3). A second sprocket (22) is fixedly connected to the output shaft of the drive motor (21). A chain (23) meshes between the second sprocket (22) and the first sprocket (20).

3. The synchronous transfer mechanism for the inner drum of a washing machine according to claim 2, characterized in that, The top of the second slider (10) is slidably connected to the first slide groove (6), and the screw (11) is located in the second slide groove (9) and is rotatably connected to the second slide groove (9). The threads on the two corresponding screws (11) have opposite directions and the same thread pitch.

4. A synchronous transfer mechanism for the inner drum of a washing machine according to claim 2, characterized in that, The two ends of the two first connecting rods (13) are rotatably connected to a plurality of second sliding grooves (9), one end of the two first bevel gears (15) is rotatably connected to two of the second sliding grooves (9), and the two ends of the second connecting rod (18) are rotatably connected to two first gear grooves (14).

5. A synchronous transfer mechanism for the inner drum of a washing machine according to claim 1, characterized in that, Also includes: The third slide groove (24) is opened on the inner wall of the movable groove (19), and a tension wheel (25) is slidably connected in the third slide groove (24), and the tension wheel (25) is in contact with the chain (23); An adjustment component is located inside the base (3) and is used to move the tension wheel (25).

6. A synchronous transfer mechanism for the inner drum of a washing machine according to claim 5, characterized in that, The adjustment component includes: The fourth slide groove (26) is opened on the inner wall of the third slide groove (24). The fourth slide groove (26) is slidably connected to the third slider (27), and one end of the third slider (27) extends into the third slide groove (24) and is fixedly connected to the tension wheel (25). The third slider (27) is threaded with a bolt (28). A through groove (29) is formed on the inner wall of the fourth sliding groove (26) and is connected to the outside. Servo motor (30) is fixedly connected to base (3), and the output shaft of servo motor (30) passes through through groove (29) and extends into fourth slide groove (26) and is fixedly connected to bolt (28).

7. A synchronous transfer mechanism for the inner drum of a washing machine according to claim 6, characterized in that, One end of the third slider (27) is slidably connected to the third slide groove (24), and the tensioning wheel (25) is slidably connected to the movable groove (19).

8. A synchronous transfer mechanism for the inner drum of a washing machine according to claim 6, characterized in that, The bolt (28) is located in the fourth slide (26) and is rotatably connected to the fourth slide (26). The output shaft of the servo motor (30) is rotatably connected to the through slot (29) and the fourth slide (26).

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