Lithium tantalate single crystal rod feeder

Abstract

The invention relates to a lithium tantalate single crystal rod feeder. The feeder comprises a driving motor; the speed reducer is connected with the driving motor; the first rotating shaft is connected to the speed reducer, and the first gear is fixedly installed on the first rotating shaft; a second gear and a second rotating shaft, the second gear is fixedly mounted on the second rotating shaft, and the second gear is meshed with the first gear; on one hand, the coupler is fixedly connected with the second rotating shaft, and on the other hand, the coupler is fixedly connected with the third rotating shaft, so that the second rotating shaft drives the third rotating shaft to rotate when rotating; and the first feeding unit and the second feeding unit are fixedly installed on the first rotating shaft, and the second feeding unit is fixedly installed on the third rotating shaft.

Description

Technical Field

[0001] The present invention relates to a chip feeding device, and more particularly to a lithium tantalate single crystal rod feeder. Background Art

[0002] After being produced, processed, and cut, the lithium tantalate single crystal rod forms a rod with a certain length and a cylindrical structure. These rods are transported to the equipment of the next process through a feeder. A single crystal rod picking and feeding device is disclosed in the Chinese invention patent with the application number CN202011449357.X, which includes a round rod clamping mechanism, a round rod displacement driving mechanism, a square rod picking mechanism, a square rod displacement driving mechanism, a feeding sliding frame, and a chassis; the round rod clamping mechanism includes a round rod clamping unit, a roller support frame, a two-axis sliding frame, and a clamping unit moving driving component. The roller support frame is fixed on the two-axis sliding frame. The two-axis sliding frame includes an upper sliding frame, an upper sliding component, a lower sliding frame, and a lower sliding component. The upper sliding frame is fixed on the lower sliding frame. The round rod clamping unit is fixed to the upper sliding component. The clamping unit moving driving component is used to drive the round rod clamping unit to move vertically on the upper sliding component; the round rod displacement driving mechanism is used to drive the two-axis support frame to perform a feeding movement in the horizontal direction; the square rod picking mechanism is arranged on the feeding sliding frame. In this patent, the clamping unit fixes and clamps the single crystal rod, and then moves it in the vertical and horizontal directions through various moving mechanisms. To a certain extent, this increases the coordination between various driving mechanisms, making the control and structure of this picking and feeding device more complex. Correspondingly, the stability of the single crystal rod being fed also becomes uncertain. Summary of the Invention

[0003] The purpose of the present invention is to solve the deficiencies in the prior art, and a lithium tantalate single crystal rod feeder is proposed.

[0004] To achieve the above purpose, the present invention adopts the following technical solutions: A lithium tantalate single crystal rod feeder, including:

[0005] A driving motor for providing kinetic energy;

[0006] A speed reducer, the speed reducer is connected to the driving motor;

[0007] A first rotating shaft and a first gear, the first rotating shaft is connected to the speed reducer, and the first gear is fixedly installed on the first rotating shaft, so that the driving motor drives the first rotating shaft to rotate, and the first gear rotates following the first rotating shaft;

[0008] A second gear and a second rotating shaft, the second gear is fixedly installed on the second rotating shaft, the second gear meshes with the first gear, so that when the first gear rotates, it drives the second gear to rotate, and the second gear drives the second rotating shaft to rotate;

[0009] A coupling and a third rotating shaft, the coupling is fixedly connected to the second rotating shaft on one hand, and the coupling is fixedly connected to the third rotating shaft on the other hand, so that when the second rotating shaft rotates, it drives the third rotating shaft to rotate; and

[0010] A first feeding unit and a second feeding unit, the first feeding unit is fixedly installed on the first rotating shaft, the second feeding unit is fixedly installed on the third rotating shaft, the first rotating shaft drives the first feeding unit to rotate, and the third rotating shaft drives the second feeding unit to rotate; when the first feeding unit and the second feeding unit rotate, the lithium tantalate single crystal rod placed between the first feeding unit and the second feeding unit is moved; the first feeding unit and the second feeding unit rotate in opposite directions.

[0011] In some embodiments of the present application, it further includes a frame, the reducer, the first rotating shaft, the second rotating shaft, and the third rotating shaft are all fixedly installed on the frame, and the first rotating shaft, the second rotating shaft, and the third rotating shaft are all rotatably connected to the frame, so that the first rotating shaft, the second rotating shaft, and the third rotating shaft can all rotate relative to the frame.

[0012] In some embodiments of the present application, a first clamping groove is provided on the first feeding unit, the first clamping groove is recessed inward along the radial direction from the circumferential outer surface of the first feeding unit by a preset depth, and the first clamping groove extends in the circumferential direction of the first feeding unit; a second clamping groove is provided on the second feeding unit, the second clamping groove is recessed inward along the radial direction from the circumferential outer surface of the second feeding unit by a preset depth, and the second clamping groove extends in the circumferential direction of the second feeding unit.

[0013] In some embodiments of the present application, it further includes a feeding stability component, the feeding stability component is used to make the lithium tantalate single crystal rod more stable during the conveying process, the feeding stability component includes a pivoting bracket and a pressing wheel, the pivoting bracket is pivotally connected to the frame, so that the pivoting bracket can pivot relative to the frame; when the pivoting bracket pivots, it drives the pressing wheel to move up or down; when the lithium tantalate single crystal rod is conveyed between the first feeding unit and the second feeding unit, the pressing wheel presses on the lithium tantalate single crystal rod, so that the conveying of the lithium tantalate single crystal rod is more stable.

[0014] In some embodiments of the present application, the feeding stability component further includes a pivot bracket moving mechanism for actively pivoting the pivot bracket relative to the frame. The pivot bracket moving mechanism includes a chassis, a screw rod with a part of external thread, a rotating shaft, a handwheel, and a pinion gear. The chassis is fixedly installed on the pivot bracket. The chassis has an inner cavity. The part of the screw rod with external thread and the pinion gear are placed in the inner cavity of the chassis, and the pinion gear meshes with the screw rod. The pinion gear is fixedly installed on the rotating shaft. The rotating shaft is fixedly installed on the chassis on one hand and fixedly connected to the handwheel on the other hand. Rotating the handwheel drives the screw rod to move up and down relative to the chassis.

[0015] In some embodiments of the present application, the feeding stability component further includes a fixed connecting rod and a push rod. The fixed connecting rod is fixedly installed on the frame. The push rod is fixedly connected to the fixed connecting rod. One end of the screw rod is fixedly connected to the push rod, and the other end of the screw rod is provided with an external thread. Thus, rotating the handwheel drives the screw rod to move up and down, thereby driving the pivot bracket to pivot relative to the frame. When the pivot bracket pivots, it drives the pressing wheel to move up or down.

[0016] In some embodiments of the present application, it further includes a pivot shaft, a connecting rod, a connecting plate, a connecting bracket, and a pressing wheel mounting post. The pivot shaft is rotatably connected to the frame, so that the pivot shaft can rotate relative to the frame. The pivot shaft and the pivot bracket are fixedly installed together, so that when the pivot bracket pivots relative to the frame, it drives the pivot shaft to rotate. One end of the connecting rod is fixedly connected to the pivot shaft, and the other end of the connecting rod is fixedly connected to the connecting plate. The connecting bracket is fixedly installed on the connecting plate, and the pressing wheel mounting post is fixedly installed on the connecting bracket. The pressing wheel is rotatably connected to the pressing wheel mounting post. Thus, when the pivot shaft rotates, it drives the connecting rod to move, and the movement of the connecting rod drives the pressing wheel to move up or down.

[0017] In some embodiments of the present application, the coupling includes a first rotating disk, a second rotating disk, a third rotating disk, and a preset number of connecting rods. A preset number of the connecting rods are arranged between the first rotating disk and the second rotating disk. The connecting rods are fixedly connected to the first rotating disk on one hand and fixedly connected to the second rotating disk on the other hand. A preset number of the connecting rods are arranged between the second rotating disk and the third rotating disk. The connecting rods are fixedly connected to the second rotating disk on one hand and fixedly connected to the third rotating disk on the other hand.

[0018] In some embodiments of the present application, the connecting rod of the coupling includes a first connecting end, a connecting section, and a second connecting end. The two ends of the connecting section are fixedly connected to the first connecting end and the second connecting end respectively. The first connecting end of the connecting rod is connected to the third rotating disk through a coupling shaft, and the second connecting end of the connecting rod is coupled to the second rotating disk through a coupling shaft.

[0019] The beneficial effects of the present application are as follows: The lithium tantalate single crystal rod feeder provided in the present application has a relatively simple structure compared to the large feeders in the prior art, and only needs a driving motor to provide the kinetic energy source, and other transmission mechanisms are all completed through mechanical structures, with a lower error rate compared to the coordinated cooperation between multiple driving mechanisms in the prior art. A coupling is also provided to make the transportation of the lithium tantalate single crystal rod more stable; the pressing wheel provided can press the lithium tantalate single crystal rod during the transportation process of the lithium tantalate single crystal rod, which also makes the transportation of the lithium tantalate single crystal rod more stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic structural diagram of the lithium tantalate single crystal rod feeder provided by the present invention.

[0021] Figure 2 It is another schematic structural diagram of the lithium tantalate single crystal rod feeder provided by the present invention.

[0022] Figure 3 It is another schematic structural diagram of the lithium tantalate single crystal rod feeder provided by the present invention.

[0023] Figure 4 It is a schematic structural diagram of the coupling of the lithium tantalate single crystal rod feeder provided by the present invention.

[0024] Figure 5 It is another schematic structural diagram of the coupling of the lithium tantalate single crystal rod feeder provided by the present invention. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0025] The present application will be further described in detail below in conjunction with the accompanying drawings through specific embodiments. Similar elements in different embodiments are labeled with related similar element numbers. In the following embodiments, many details are described to enable a better understanding of the present application. However, those skilled in the art can easily recognize that some of the features can be omitted in different situations, or can be replaced by other elements, materials, or methods. In some cases, some operations related to the present application are not shown or described in the specification to avoid overwhelming the core part of the present application with excessive description. For those skilled in the art, it is not necessary to describe these related operations in detail, and they can fully understand the related operations based on the description in the specification and the general technical knowledge in the art.

[0026] In addition, the features, operations or characteristics described in the specification can be combined in any appropriate manner to form various embodiments, and the operation steps involved in each embodiment can also be reordered or adjusted in a manner obvious to those skilled in the art. Therefore, the specification and the drawings are only for clearly describing a certain embodiment and do not mean to be the necessary composition and / or sequence.

[0027] The serial numbers assigned to the components herein, such as "first", "second", etc., are only used to distinguish the described objects and do not have any sequential or technical meaning. And as used in this application, "connection" and "coupling", unless otherwise specified, both include direct and indirect connection (coupling).

[0028] Please refer to Figures 1-3 , this application provides a lithium tantalate single crystal rod feeder (hereinafter referred to as "the feeder"), and the feeder includes:

[0029] A driving motor 1 for providing kinetic energy;

[0030] A speed reducer 2, and the speed reducer 2 is connected to the driving motor 1;

[0031] A first rotating shaft 3 and a first gear 4, the first rotating shaft 3 is connected to the speed reducer 2, and the first gear 4 is fixedly installed on the first rotating shaft 3, so that the driving motor 1 drives the first rotating shaft 3 to rotate, and the first gear 4 rotates following the first rotating shaft 3;

[0032] A second gear 5 and a second rotating shaft 6, the second gear 5 is fixedly installed on the second rotating shaft 6, and the second gear 5 meshes with the first gear 4, so that when the first gear 4 rotates, it drives the second gear 5 to rotate, and the second gear 5 drives the second rotating shaft 6 to rotate;

[0033] A coupling 7 and a third rotating shaft 8, on the one hand, the coupling 7 is fixedly connected to the second rotating shaft 6, and on the other hand, the coupling 7 is fixedly connected to the third rotating shaft 8, so that when the second rotating shaft 6 rotates, it drives the third rotating shaft 8 to rotate; and

[0034] The first feeding unit 9 and the second feeding unit 10, the first feeding unit 9 is fixedly installed on the first rotating shaft 3, the second feeding unit 10 is fixedly installed on the third rotating shaft 8, the first rotating shaft 3 drives the first feeding unit 9 to rotate, and the third rotating shaft 8 drives the second feeding unit 10 to rotate; when the first feeding unit 9 and the second feeding unit 10 rotate, the lithium tantalate single crystal rod placed between the first feeding unit 9 and the second feeding unit 10 is moved; the rotating directions of the first feeding unit 9 and the second feeding unit 10 are opposite.

[0035] In some embodiments of the present application, please refer to Figures 1-3 , the feeder further includes a frame 11, the reducer 2, the first rotating shaft 3, the second rotating shaft 6, and the third rotating shaft 8 are all fixedly installed on the frame 11, and the first rotating shaft 3, the second rotating shaft 6, and the third rotating shaft 8 are all rotatably connected to the frame 11, so that the first rotating shaft 3, the second rotating shaft 6, and the third rotating shaft 8 can all rotate relative to the frame 11.

[0036] In some embodiments of the present application, please refer to Figures 1-3 , a first clamping groove 90 is provided on the first feeding unit 9, the first clamping groove 90 is recessed inward along the radial direction from the circumferential outer surface of the first feeding unit 9 by a preset depth, and the first clamping groove 90 extends in the circumferential direction of the first feeding unit 9; a second clamping groove 100 is provided on the second feeding unit 10, the second clamping groove 100 is recessed inward along the radial direction from the circumferential outer surface of the second feeding unit 10 by a preset depth, and the second clamping groove 100 extends in the circumferential direction of the second feeding unit 10.

[0037] In some embodiments of the present application, please refer to Figures 1-3 , the feeder further includes a feeding stability component, the feeding stability component is used to make the lithium tantalate single crystal rod more stable during transportation, the feeding stability component includes a pivot bracket 13 and a pressing wheel 19, the pivot bracket 13 is pivotally connected to the frame 11, so that the pivot bracket 13 can pivot relative to the frame 11; when the pivot bracket 13 pivots, it drives the pressing wheel 19 to move up or down; when the lithium tantalate single crystal rod is transported between the first feeding unit 9 and the second feeding unit 10, the pressing wheel 19 presses on the lithium tantalate single crystal rod, so that the transportation of the lithium tantalate single crystal rod is more stable.

[0038] In some embodiments of the present application, please refer to Figures 1-3, the feeding stability component further includes a pivot bracket moving mechanism 12 for actively pivoting the pivot bracket 13 relative to the frame 11; the pivot bracket moving mechanism 12 includes a chassis 122, a screw rod 121 with a part of external thread, a rotating shaft 123, a handwheel 124, and a small gear (not shown). The chassis 122 is fixedly installed on the pivot bracket 13. The chassis 122 has an inner cavity. A part of the screw rod 121 with external thread and the small gear are placed in the inner cavity of the chassis 122, and the small gear meshes with the screw rod 121. The small gear is fixedly installed on the rotating shaft 123. The rotating shaft 123 is fixedly installed on the chassis 122 on one hand and fixedly connected to the handwheel 124 on the other hand. Rotating the handwheel 124 drives the screw rod 121 to move up and down relative to the chassis 122.

[0039] In some embodiments of the present application, please refer to Figures 1-3 , the feeding stability component further includes a fixed connecting rod 126 and a push rod 125. The fixed connecting rod 126 is fixedly installed on the frame 11. The fixed rod 125 is fixedly connected to the fixed connecting rod 126. One end of the screw rod 121 is fixedly connected to the fixed rod 125, and the other end of the screw rod 121 is provided with an external thread, so that rotating the handwheel 124 drives the screw rod 121 to move up and down, thereby driving the pivot bracket 13 to pivot relative to the frame 11. When the pivot bracket 13 pivots, it drives the pressing wheel 19 to move up or down.

[0040] In some embodiments of the present application, please refer to Figures 1-3 , the feeder further includes a pivot shaft 14, a connecting rod 15, a connecting plate 16, a connecting bracket 17, and a pressing wheel mounting post 18. The pivot shaft 14 is rotatably connected to the frame 11, so that the pivot shaft 14 can rotate relative to the frame 11; the pivot shaft 14 and the pivot bracket 13 are fixedly installed together, so that when the pivot bracket 13 pivots relative to the frame 11, it drives the pivot shaft 14 to rotate; one end of the connecting rod 15 is fixedly connected to the pivot shaft 14, the other end of the connecting rod 15 is fixedly connected to the connecting plate 16, the connecting bracket 17 is fixedly installed on the connecting plate 16, the pressing wheel mounting post 18 is fixedly installed on the connecting bracket 17, and the pressing wheel 19 is rotatably connected to the pressing wheel mounting post 18. Thus, when the pivot shaft 14 rotates, it drives the connecting rod 15 to move, and the movement of the connecting rod 15 drives the pressing wheel 19 to move up or down.

[0041] In some embodiments of the present application, please refer to Figures 4-5, the coupling 7 includes a first rotating disk 71, a second rotating disk 72, a third rotating disk 73, and a preset number of connecting rods 74. A preset number of the connecting rods 74 are provided between the first rotating disk 71 and the second rotating disk 72. On the one hand, the connecting rod 74 is fixedly connected to the first rotating disk 72, and on the other hand, the connecting rod 74 is also fixedly connected to the second rotating disk 72; a preset number of the connecting rods 74 are provided between the second rotating disk 72 and the third rotating disk 73. On the one hand, the connecting rod 74 is fixedly connected to the second rotating disk 72, and on the other hand, the connecting rod 74 is also fixedly connected to the third rotating disk 73.

[0042] In some embodiments of the present application, please refer to Figures 4-5 , the connecting rod 74 of the coupling 7 includes a first connection end 741, a connection section 742, and a second connection end 743. The two ends of the connection section 742 are respectively fixedly connected to the first connection end 741 and the second connection end 742. The first connection end 741 of the connecting rod 74 is connected to the third rotating disk 73 through a coupling shaft 744, and the second connection end 743 of the connecting rod 74 is coupled to the second rotating disk 72 through a coupling shaft 744.

[0043] The lithium tantalate single crystal rod feeder provided by the present application has a relatively simple structure compared with the large-scale feeding equipment in the prior art, and only needs to provide a kinetic energy source through a driving motor. Other transmission mechanisms are completed through mechanical structures, and the error rate is lower compared with the coordinated cooperation between multiple driving mechanisms in the prior art. A coupling is also provided to make the transportation of the lithium tantalate single crystal rod more stable; the pressing wheel provided can press the lithium tantalate single crystal rod during the transportation of the lithium tantalate single crystal rod, which also makes the transportation of the lithium tantalate single crystal rod more stable.

[0044] The above embodiments are only used to illustrate the technical concept and characteristics of the present invention, and their purpose is to enable those skilled in the art to understand the content of the present invention and implement it accordingly, and cannot be used to limit the protection scope of the present invention. All equivalent changes or modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. Lithium tantalate single crystal rod feeder, characterized in that, Comprising: A drive motor for providing kinetic energy; A speed reducer, the speed reducer being connected to the drive motor; A first rotating shaft and a first gear, the first rotating shaft being connected to the speed reducer, the first gear being fixedly installed on the first rotating shaft, whereby the drive motor drives the first rotating shaft to rotate, and the first gear rotates following the first rotating shaft; A second gear and a second rotating shaft, the second gear being fixedly installed on the second rotating shaft, the second gear meshing with the first gear, whereby when the first gear rotates, it drives the second gear to rotate, and the second gear drives the second rotating shaft to rotate; A coupling and a third rotating shaft, on the one hand, the coupling is fixedly connected to the second rotating shaft, and on the other hand, the coupling is fixedly connected to the third rotating shaft, whereby when the second rotating shaft rotates, it drives the third rotating shaft to rotate; And A first feeding unit and a second feeding unit, the first feeding unit being fixedly installed on the first rotating shaft, the second feeding unit being fixedly installed on the third rotating shaft, the first rotating shaft driving the first feeding unit to rotate, and the third rotating shaft driving the second feeding unit to rotate; when the first feeding unit and the second feeding unit rotate, the lithium tantalate single crystal rod placed between the first feeding unit and the second feeding unit is moved; the rotation directions of the first feeding unit and the second feeding unit are opposite.

2. The lithium tantalate single crystal rod feeder according to claim 1, wherein It further includes a frame, the speed reducer, the first rotating shaft, the second rotating shaft, and the third rotating shaft are all fixedly installed on the frame, and the first rotating shaft, the second rotating shaft, and the third rotating shaft are all rotatably connected to the frame, whereby the first rotating shaft, the second rotating shaft, and the third rotating shaft can all rotate relative to the frame.

3. The lithium tantalate single crystal rod feeder according to claim 1, characterized in that, The first feeding unit is provided with a first clamping groove, the first clamping groove recesses inward along the radial direction from the circumferential outer surface of the first feeding unit by a preset depth, and the first clamping groove extends in the circumferential direction of the first feeding unit; the second feeding unit is provided with a second clamping groove, the second clamping groove recesses inward along the radial direction from the circumferential outer surface of the second feeding unit by a preset depth, and the second clamping groove extends in the circumferential direction of the second feeding unit.

4. The lithium tantalate single crystal rod feeder according to claim 2, characterized in that, It further includes a feeding stability component, the feeding stability component is used to make the lithium tantalate single crystal rod more stable during the conveying process, the feeding stability component includes a pivot bracket and a pressing wheel, the pivot bracket is pivotally connected to the frame, whereby the pivot bracket can pivot relative to the frame; when the pivot bracket pivots, it drives the pressing wheel to move up or down; when the lithium tantalate single crystal rod is conveyed between the first feeding unit and the second feeding unit, the pressing wheel presses on the lithium tantalate single crystal rod, so that the conveying of the lithium tantalate single crystal rod is more stable.

5. The lithium tantalate single crystal rod feeder according to claim 4, wherein The feeding stability component further includes a pivot bracket moving mechanism for actively pivoting the pivot bracket relative to the frame. The pivot bracket moving mechanism includes a chassis, a screw rod with a part of external thread, a rotating shaft, a handwheel, and a small gear. The chassis is fixedly installed on the pivot bracket. The chassis has an inner cavity. The part of the screw rod with external thread and the small gear are placed in the inner cavity of the chassis, and the small gear meshes with the screw rod. The small gear is fixedly installed on the rotating shaft. The rotating shaft is fixedly installed on the chassis on one hand and fixedly connected to the handwheel on the other hand. Rotating the handwheel drives the screw rod to move up and down relative to the chassis.

6. The lithium tantalate single crystal rod feeder according to claim 5, characterized in that, The feeding stability component further includes a fixed connecting rod and a push rod. The fixed connecting rod is fixedly installed on the frame. The push rod is fixedly connected to the fixed connecting rod. One end of the screw rod is fixedly connected to the push rod, and the other end of the screw rod is provided with external thread, so that rotating the handwheel drives the screw rod to move up and down, thereby driving the pivot bracket to pivot relative to the frame. When the pivot bracket pivots, it drives the pressing wheel to move up or down.

7. The lithium tantalate single crystal rod feeder according to claim 5, characterized in that, It further includes a pivot shaft, a connecting rod, a connecting plate, a connecting bracket, and a pressing wheel mounting post. The pivot shaft is rotatably connected to the frame, so that the pivot shaft can rotate relative to the frame. The pivot shaft and the pivot bracket are fixedly installed together, so that when the pivot bracket pivots relative to the frame, it drives the pivot shaft to rotate. One end of the connecting rod is fixedly connected to the pivot shaft, and the other end of the connecting rod is fixedly connected to the connecting plate. The connecting bracket is fixedly installed on the connecting plate, and the pressing wheel mounting post is fixedly installed on the connecting bracket. The pressing wheel is rotatably connected to the pressing wheel mounting post, so that when the pivot shaft rotates, it drives the connecting rod to move, and the movement of the connecting rod drives the pressing wheel to move up or down.

8. The lithium tantalate single crystal rod feeder according to claim 1, characterized in that, The coupling includes a first rotating disk, a second rotating disk, a third rotating disk, and a preset number of connecting rods. A preset number of the connecting rods are arranged between the first rotating disk and the second rotating disk. The connecting rods are fixedly connected to the first rotating disk on one hand and fixedly connected to the second rotating disk on the other hand. A preset number of the connecting rods are arranged between the second rotating disk and the third rotating disk. The connecting rods are fixedly connected to the second rotating disk on one hand and fixedly connected to the third rotating disk on the other hand.

9. The lithium tantalate single crystal rod feeder according to claim 8, characterized in that, The connecting rod of the coupling includes a first connecting end, a connecting section, and a second connecting end. The two ends of the connecting section are respectively fixedly connected to the first connecting end and the second connecting end. The first connecting end of the connecting rod is connected to the third rotating disk through a coupling shaft, and the second connecting end of the connecting rod is coupled to the second rotating disk through a coupling shaft.

Images