Cleaning device for gasket production

Abstract

The utility model relates to a cleaning device for gasket production, which comprises an operating platform, a cleaning tank mounted in the operating platform, an inner groove arranged at the bottom of the operating platform, a valve arranged at the bottom of the cleaning tank, a strip brush mounted in the cleaning tank, a mounting seat fixedly connected to the top of the operating platform, and a hydraulic cylinder mounted at the top of the mounting seat. A rotating shaft is arranged at the bottom output end of the driving motor; a coupler is arranged at the bottom of the rotating shaft; a main shaft is arranged at the bottom of the coupler; a bearing frame is fixedly connected to the bottom of the main shaft; a mechanical device is used for cleaning gaskets, manpower is saved, the process is stable and convenient to use, time is saved, and the cleaning efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of washer production, in particular to a cleaning device for washer production. Background Art

[0002] A washer refers to a part placed between a connected part and a nut. Generally, a washer is a flat metal ring used to protect the surface of the connected part from being scratched by the nut and to disperse the pressure of the nut on the connected part. Main types of washers include flat washers, spring washers, lock washers, sealing washers, and special-shaped washers for other purposes. The utility model patent with application number CN201921829769.9 discloses a washer cleaning device, which includes a frame, a cleaning component, a placement component, and a driving mechanism. The cleaning component includes a cleaning tank and cleaning brushes. The cleaning tank is arranged on the frame, and a cleaning cavity is formed inside the cleaning tank. The cleaning brushes are fixed on the cleaning tank. The placement component includes a placement rack and a rotating disk. A plurality of placement racks are evenly distributed on the outer circumference of the upper surface of the rotating disk. Cleaning brushes are arranged on both the inner and outer sides of the placement rack. The driving mechanism includes a motor and a rotating shaft. The rotating shaft passes through the cleaning tank and is rotatably connected to the cleaning tank. One end of the rotating shaft is fixedly connected to the rotating disk, and the other end is connected to the motor. The placement rack is divided into a placement column, a placement table, and a cover. The cover is detachably fixed to the top of the placement column, and the placement table is fixed to the bottom of the placement column. The placement table is fixed on the rotating disk. The cleaning tank is in a cuboid shape and has a bottom plate, side plates, and a tank cover. The tank cover is detachably installed on the top of the side plates. The rotating shaft passes through the bottom plate and is rotatably connected to the bottom plate. The cleaning brushes are divided into outer cleaning brushes and inner cleaning brushes. The outer cleaning brushes are arranged in the middle of the inner side of the side plates and are located outside the placement rack. The inner cleaning brushes are arranged at the bottom of the tank cover and are located inside the placement rack. The inner cleaning brushes are divided into an inner cylinder and first brush filaments. The inner cylinder is cylindrical, and the top of the inner cylinder is detachably fixed to the center of the bottom of the tank cover. The first brush filaments are evenly distributed around the inner cylinder. The outer cleaning brushes are divided into a fixing plate and second brush filaments. One side of the fixing plate is detachably fixed to the middle of the inner side of the side plates, and the other side is provided with second brush filaments. A fixing block is arranged on the top of the placement column, and a threaded fixing hole is arranged on the fixing block. The bottom of the cover has a threaded connecting rod, and the connecting rod is adapted to the fixing hole. The motor has an output shaft, and the output shaft is connected to the rotating shaft through a coupling. The placement column is a hollow structure, and the inner cylinder is a hollow structure. The frame includes support columns. Four support columns are fixed to the bottom of the cleaning tank. A motor seat is arranged at the bottom of the motor, and a handle is arranged on the top of the tank cover. The rotating shaft passes through the bottom plate and is rotatably connected to the bottom plate. However, there is a lack of a necessary sealing device between the rotating shaft and the bottom plate, and the cleaning liquid contained in the cleaning cavity is likely to leak out, affecting the long-term operation of the cleaning device. Summary of the Utility Model

[0003] The present utility model aims to solve the problems existing in the above-mentioned prior art and provides a cleaning device for washer production, which can use mechanical devices to clean washers, saving manpower, having a stable process, being convenient to use, saving time and improving cleaning efficiency.

[0004] The technical solution adopted by the present utility model to solve its technical problems: This cleaning device for washer production includes an operating table. A cleaning tank is installed inside the operating table. An inner groove is opened at the bottom of the operating table, and the cleaning tank reaches inside the inner groove. The bottom of the cleaning tank is of a conical structure, and a valve is provided at the bottom of the cleaning tank. A strip brush is installed inside the cleaning tank, and there are multiple strip brushes. A mounting seat is fixedly connected to the top of the operating table. A hydraulic cylinder is installed on the top of the mounting seat. The top of the hydraulic cylinder is fixedly connected to a top plate. A driving motor is installed at the bottom of the top plate. A rotating shaft is provided at the output end of the bottom of the driving motor. A coupling is provided at the bottom of the rotating shaft. A main shaft is provided at the bottom of the coupling. A bearing frame is fixedly connected to the bottom of the main shaft. A placing column is installed on the top of the bearing frame. The washer is sleeved on the side surface of the placing column. A placing block is fixedly connected to the bottom of the placing column. A threaded column is fixedly connected to the bottom of the placing block. A first threaded groove is opened at the top of the bearing frame, and the threaded column is threadedly connected to the first threaded groove. A limiting block is fixedly connected to the side surface of the main shaft. An inner hole is opened inside the limiting block, and the placing column is inserted into the inner hole. A water tank is provided on the back of the operating table. Multiple washers are simultaneously sleeved on the side surface of the same placing column. The bottom of the washer is blocked by the placing block. The placing column and multiple washers are integrally transferred to the bearing frame. The top of the placing column is inserted from the bottom of the inner hole. The placing column and multiple washers are integrally lifted upward, and then the threaded column is threadedly connected to the first threaded groove to realize the installation and fixation of the placing column and multiple washers. The cleaning tank is filled with cleaning liquid. The hydraulic cylinder is started to contract and run. Structures such as the top plate, driving motor, main shaft, bearing frame, placing column, multiple washers, and limiting block are integrally lowered until the bearing frame, placing column, and multiple washers reach the cleaning tank. The driving motor is started, and the rotating shaft, coupling, main shaft, bearing frame, limiting block, placing column, and multiple washers rotate synchronously. Multiple strip brushes brush multiple washers. During this period, the hydraulic cylinder continuously extends and contracts. Multiple washers move up and down during the rotating brushing process, improving the brushing effect. Using mechanical devices to clean washers saves manpower, has a stable process, is convenient to use, saves time and improves cleaning efficiency.

[0005] For further improvement, there are four hydraulic cylinders, and the main shaft is at the central position of the four hydraulic cylinders. The four hydraulic cylinders operate simultaneously. The four hydraulic cylinders provide support and power, and the four hydraulic cylinders are evenly stressed, improving the stability of the cleaning process.

[0006] For further improvement, there are multiple placing columns, and the size specifications of the multiple placing columns are the same. Concave lines are provided on the surface of the placing block. The placing block with concave lines increases friction, facilitating the installation of the placing column. The multiple placing columns increase the number of washers placed, further improving the operation efficiency.

[0007] Further improvement: A protective cover is fixedly connected to the bottom of the top plate. The driving motor and the coupling are inside the protective cover. A bearing member is provided at the bottom of the protective cover. The inner ring of the bearing member is connected to the side surface of the main shaft. While the protective cover protects the driving motor and the coupling, the protective cover and the bearing member provide effective support and reduce the shaking of the main shaft during rotation.

[0008] Further improvement: A fixed seat is fixedly connected inside the cleaning tank. A convex groove is formed on the inner side of the fixed seat. A convex block is fixedly connected to the side of the strip brush. The convex block is inserted into the convex groove. The strip brush is installed by means of the convex block and the convex groove. The installation of the strip brush is easy to operate quickly and the removal is simple and convenient for replacement.

[0009] Further improvement: A hand-tightening bolt is provided on the side of the fixed seat. A through hole is formed on the side of the fixed seat and communicates with the inside of the convex groove. A second threaded groove is formed on the side of the convex block. The hand-tightening bolt passes through the through hole and is threadedly connected to the second threaded groove. The strip brush is further fixed by means of structures such as the hand-tightening bolt, the through hole and the second threaded groove, avoiding displacement of the strip brush during use and avoiding height differences among multiple strip brushes.

[0010] Further improvement: A flushing groove is formed on the top of the operating table. A water pump is installed on the top of the water tank. The inner pipe at the bottom of the water pump is inside the water tank. A first transmission pipe is fixedly connected to the top of the water pump. A second transmission pipe is fixedly connected to the side surface of the first transmission pipe. There are multiple second transmission pipes. A nozzle is fixedly connected to the bottom of the second transmission pipe. A bracket is fixedly connected to the top of the operating table. The bracket is of an L-shaped structure. Multiple second transmission pipes are arranged inside the bracket. Multiple nozzles face downward towards the flushing groove. A water inlet pipe is fixedly connected to the top of the water tank. After multiple gaskets are brushed, they are placed in the flushing groove. The water pump is turned on. The water pump extracts the water source inside the water tank. The water flow passes through the first transmission pipe and the second transmission pipe in sequence and then is sprayed out by the nozzles to flush multiple gaskets, improving the cleanliness of the gaskets and the cleaning quality.

[0011] Further improvement: Multiple leakage holes are formed at the bottom of the flushing groove. A transition groove is formed on the front side of the operating table. Multiple leakage holes communicate with the top of the transition groove. A drain pipe is fixedly connected to the back of the operating table and communicates with the inside of the transition groove. The water flow is discharged into the transition groove through multiple leakage holes and finally discharged through the drain pipe, effectively discharging the sewage and reducing aggregation.

[0012] The beneficial effects of the present utility model are:

[0013] 1. By sleeving multiple washers on the side surface of the same placement post at the same time, with a placement block at the bottom of the washer to block, the placement post and multiple washers are transferred to the carrier as a whole. The top of the placement post is inserted from the bottom of the inner hole, and the placement post and multiple washers are moved upward as a whole. Then the threaded post is threadedly connected to the first threaded groove to achieve the installation and fixation of the placement post and multiple washers. The cleaning tank is filled with cleaning liquid. The hydraulic cylinder is started to contract. Structures such as the top plate, drive motor, main shaft, carrier, placement post, multiple washers, and limit block are moved downward as a whole until the carrier, placement post, and multiple washers reach the cleaning tank. The drive motor is started, and the rotating shaft, coupling, main shaft, carrier, limit block, placement post, and multiple washers rotate synchronously. Multiple strip brushes brush multiple washers. During this period, the hydraulic cylinder continuously extends and contracts. Multiple washers move up and down during the rotating brushing process, improving the brushing effect. Using mechanical devices to clean washers saves manpower, the process is stable and convenient to use, saving time and improving cleaning efficiency.

[0014] 2. The strip brush is installed by means of a bump and a convex groove. The installation of the strip brush is easy to operate, quick, simple to remove and convenient to replace. The strip brush is further fixed by using structures such as hand-tightening bolts, through holes, and second threaded grooves to prevent the strip brush from shifting during use and avoid height differences among multiple strip brushes.

[0015] 3. After multiple washers are brushed, they are placed in the flushing tank. The water pump is started. The water pump extracts the water source inside the water tank. The water flow passes through the first transmission pipe and the second transmission pipe in sequence and then is sprayed out by the nozzle to flush multiple washers, improving the cleanliness of the washers and the cleaning quality. The water flow is discharged into the transition tank through multiple leakage holes and finally discharged through the drain pipe, effectively discharging sewage and reducing aggregation. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic structural diagram of the present utility model;

[0017] Figure 2 is the Figure 1 enlarged view at A in the

[0018] Figure 3 is the Figure 1 enlarged view at B in the

[0019] Figure 4 is the Figure 1 enlarged view at C in the

[0020] Figure 5 is the top view of the cleaning tank of the present utility model;

[0021] Figure 6 is the Figure 5 enlarged view at D in the

[0022] Figure 7 This is the movable display diagram of the hand-tightening bolt of the present utility model;

[0023] Figure 8 This is the front structural view of the present utility model;

[0024] Figure 9 This is the Figure 8 enlarged view at position E of the present utility model;

[0025] Figure 10 This is the Figure 8 enlarged view at position F of the present utility model;

[0026] Figure 11 This is the movable display diagram of the threaded column of the present utility model;

[0027] Figure 12 This is the right structural view of the present utility model.

[0028] Explanation of reference numerals: 1, operating table; 2, cleaning tank; 3, inner tank; 4, valve; 5, strip brush; 6, mounting seat; 7, hydraulic cylinder; 8, top plate; 9, drive motor; 10, rotating shaft; 11, coupling; 12, main shaft; 13, bearing frame; 14, placing column; 15, placing block; 16, threaded column; 17, first thread groove; 18, limiting block; 19, inner hole; 20, water tank; 21, protective cover; 22, bearing part; 23, fixing seat; 24, convex groove; 25, convex block; 26, hand-tightening bolt; 27, through hole; 28, second thread groove; 29, flushing groove; 30, water pump; 31, first transmission pipe; 32, second transmission pipe; 33, spray head; 34, support; 35, water inlet pipe; 36, leakage hole; 37, transition groove; 38, drain pipe. Detailed implementation manners

[0029] The following further describes this embodiment in conjunction with the attached Figures 1-12 drawings:

[0030] As Figures 1-12As shown in the figure: A cleaning device for washer production in this embodiment includes an operation table 1. Inside the operation table 1, a cleaning tank 2 is installed. An inner groove 3 is opened at the bottom of the operation table 1. The cleaning tank 2 reaches inside the inner groove 3. The bottom of the cleaning tank 2 is of a conical structure. A valve 4 is arranged at the bottom of the cleaning tank 2. Inside the cleaning tank 2, strip brushes 5 are installed. There are multiple strip brushes 5. At the top of the operation table 1, a mounting seat 6 is fixedly connected. At the top of the mounting seat 6, a hydraulic cylinder 7 is installed. At the top of the hydraulic cylinder 7, a top plate 8 is fixedly connected. At the bottom of the top plate 8, a driving motor 9 is installed. At the bottom output end of the driving motor 9, a rotating shaft 10 is arranged. At the bottom of the rotating shaft 10, a coupling 11 is arranged. At the bottom of the coupling 11, a main shaft 12 is arranged. At the bottom of the main shaft 12, a bearing frame 13 is fixedly connected. At the top of the bearing frame 13, a placing column 14 is installed. The washer is sleeved on the side surface of the placing column 14. At the bottom of the placing column 14, a placing block 15 is fixedly connected. At the bottom of the placing block 15, a threaded column 16 is fixedly connected. At the top of the bearing frame 13, a first threaded groove 17 is opened. The threaded column 16 is threadedly connected with the first threaded groove 17. On the side surface of the main shaft 12, a limiting block 18 is fixedly connected. An inner hole 19 is opened inside the limiting block 18. The placing column 14 is inserted into the inner hole 19. At the back of the operation table 1, a water tank 20 is arranged. There are four hydraulic cylinders 7. The main shaft 12 is at the central position of the four hydraulic cylinders 7. There are multiple placing columns 14. The sizes and specifications of the multiple placing columns 14 are the same. Concave patterns are arranged on the surface of the placing block 15. At the bottom of the top plate 8, a protective cover 21 is fixedly connected. The driving motor 9 and the coupling 11 are inside the protective cover 21. At the bottom of the protective cover 21, a bearing part 22 is arranged. The inner ring of the bearing part 22 is connected to the side surface of the main shaft 12.

[0031] As Figure 2 , Figure 5 , Figure 6 and Figure 7 shown: Inside the cleaning tank 2, a fixed seat 23 is fixedly connected. A convex groove 24 is opened on the inner side of the fixed seat 23. On the side of the strip brush 5, a convex block 25 is fixedly connected. The convex block 25 is inserted into the convex groove 24. On the side of the fixed seat 23, a hand-tightening bolt 26 is arranged. A through hole 27 is opened on the side of the fixed seat 23. The through hole 27 communicates with the inside of the convex groove 24. On the side of the convex block 25, a second threaded groove 28 is opened. The hand-tightening bolt 26 passes through the through hole 27 and is threadedly connected with the second threaded groove 28.

[0032] As Figure 1 , Figure 4 , Figure 8 and Figure 12As shown in the figure: A flushing tank 29 is provided at the top of the operating table 1. A water pump 30 is installed at the top of the water tank 20. The inner pipe at the bottom of the water pump 30 is inside the water tank 20. A first transmission pipe 31 is fixedly connected to the top of the water pump 30. A second transmission pipe 32 is fixedly connected to the side surface of the first transmission pipe 31. There are multiple second transmission pipes 32. A spray head 33 is fixedly connected to the bottom of the second transmission pipe 32. A bracket 34 is fixedly connected to the top of the operating table 1. The bracket 34 is in an L-shaped structure. Multiple second transmission pipes 32 are arranged inside the bracket 34. Multiple spray heads 33 face downward towards the flushing tank 29. A water inlet pipe 35 is fixedly connected to the top of the water tank 20. A leakage hole 36 is provided at the bottom of the flushing tank 29. There are multiple leakage holes 36. A transition tank 37 is provided at the front side of the operating table 1. Multiple leakage holes 36 communicate with the top of the transition tank 37. A drain pipe 38 is fixedly connected to the back of the operating table 1. The drain pipe 38 communicates with the inside of the transition tank 37.

[0033] When the utility model is in use: Obtain the strip brush 5, insert the convex block 25 of the strip brush 5 into the convex groove 24 of the fixed seat 23, and complete the plug-in installation of multiple strip brushes 5 with reference to this operation. Obtain the hand-tightening bolt 26, pass the hand-tightening bolt 26 through the through hole 27 of the fixed seat 23, and thread the hand-tightening bolt 26 with the second thread groove 28 of the convex block 25, so that the strip brush 5 is further fixed. Complete the fixation of multiple strip brushes 5 with reference to this operation. Socket multiple washers on the side surface of the same placement column 14 at the same time, and the bottom of the washer is blocked by the placement block 15. Transfer the placement column 14 and multiple washers as a whole to the carrier 13, insert the top of the placement column 14 from the bottom of the inner hole 19, move the placement column 14 and multiple washers as a whole upward, and then thread the threaded column 16 with the first thread groove 17 to realize the installation and fixation of the placement column 14 and multiple washers. Complete the installation and fixation of multiple placement columns 14 and more washers with reference to this operation. The cleaning tank 2 is filled with cleaning liquid. Start the hydraulic cylinder 7 to contract and run. The four hydraulic cylinders 7 run simultaneously, and the four hydraulic cylinders 7 provide support and power. Structures such as the top plate 8, the driving motor 9, the main shaft 12, the carrier 13, multiple placement columns 14, multiple washers, and the limiting block 18 move downward as a whole until the carrier 13, multiple placement columns 14, and multiple washers reach the cleaning tank 2. Start the driving motor 9, and the rotating shaft 10, the coupling 11, the main shaft 12, the carrier 13, the limiting block 18, multiple placement columns 14, and multiple washers rotate synchronously. Multiple strip brushes 5 brush multiple washers. While the protective cover 21 protects the driving motor 9 and the coupling 11, the protective cover 21 and the bearing member 22 provide effective support, reducing the shaking of the main shaft 12 during rotation. During this period, the hydraulic cylinder 7 continuously extends and contracts, and multiple washers move up and down during the rotary brushing process, improving the brushing effect. Using a mechanical device to clean the washers saves manpower, the process is stable and convenient to use, saves time and improves the cleaning efficiency. After multiple washers are brushed, the driving motor 9 stops, and the hydraulic cylinder 7 extends and runs. The carrier 13, multiple placement columns 14, and multiple washers move away from the cleaning tank 2. Hold the placement block 15 and rotate it in the reverse direction to disengage the threaded column 16 from the first thread groove 17, and move the bottom of the placement column 14 to the side, so that the bottom of the placement column 14 moves away from the carrier 13, and the top of the placement column 14 is withdrawn from the inner hole 19 of the limiting block 18. Complete the removal of multiple placement columns 14 and multiple washers with reference to this operation. Rotate the placement column 14 by 180 degrees to pour multiple washers into the flushing tank 29. Start the water pump 30, and the water pump 30 extracts the water source inside the water tank 20. The water flow passes through the first transmission pipe 31 and the second transmission pipe 32 in sequence and then is sprayed out by the nozzle 33 to flush multiple washers, improving the cleanliness of the washers and the cleaning quality.

[0034] Although the present utility model has been illustrated and described with reference to the preferred embodiments, those of ordinary skill in the art should understand that various changes in form and details may be made within the scope of the claims.

Claims

1. A cleaning device for washer production, comprising an operating table (1), characterized in that: Inside the operation table (1), a cleaning tank (2) is installed. An inner groove (3) is opened at the bottom of the operation table (1). The cleaning tank (2) reaches inside the inner groove (3). The bottom of the cleaning tank (2) is of a conical structure. A valve (4) is provided at the bottom of the cleaning tank (2). Inside the cleaning tank (2), strip brushes (5) are installed. There are multiple strip brushes (5). At the top of the operation table (1), a mounting seat (6) is fixedly connected. At the top of the mounting seat (6), a hydraulic cylinder (7) is installed. At the top of the hydraulic cylinder (7), a top plate (8) is fixedly connected. At the bottom of the top plate (8), a driving motor (9) is installed. At the bottom output end of the driving motor (9), a rotating shaft (10) is provided. At the bottom of the rotating shaft (10), a coupling (11) is provided. At the bottom of the coupling (11), a main shaft (12) is provided. At the bottom of the main shaft (12), a bearing frame (13) is fixedly connected. At the top of the bearing frame (13), a placing column (14) is installed. A washer is sleeved on the side surface of the placing column (14). At the bottom of the placing column (14), a placing block (15) is fixedly connected. At the bottom of the placing block (15), a threaded column (16) is fixedly connected. At the top of the bearing frame (13), a first threaded groove (17) is opened. The threaded column (16) is threadedly connected with the first threaded groove (17). On the side surface of the main shaft (12), a limiting block (18) is fixedly connected. Inside the limiting block (18), an inner hole (19) is opened. The placing column (14) is inserted into the inner hole (19). At the back of the operation table (1), a water tank (20) is provided.

2. The cleaning device for washer production according to claim 1, characterized in that: There are four hydraulic cylinders (7), and the main shaft (12) is at the central position of the four hydraulic cylinders (7).

3. The cleaning device for washer production according to claim 1, wherein: There are multiple placing columns (14). The sizes and specifications of the multiple placing columns (14) are the same. Concave lines are provided on the surface of the placing block (15).

4. The cleaning device for washer production according to claim 1, characterized in that: At the bottom of the top plate (8), a protective cover (21) is fixedly connected. The driving motor (9) and the coupling (11) are inside the protective cover (21). At the bottom of the protective cover (21), a bearing part (22) is provided. The inner ring of the bearing part (22) is connected to the side surface of the main shaft (12).

5. The cleaning device for washer production according to claim 1, characterized in that: Inside the cleaning tank (2), a fixed seat (23) is fixedly connected. Inside the fixed seat (23), a convex groove (24) is opened. On the side of the strip brush (5), a convex block (25) is fixedly connected. The convex block (25) is inserted into the convex groove (24).

6. The cleaning device for washer production according to claim 5, characterized in that: On the side of the fixed seat (23), a hand-tightening bolt (26) is provided. Inside the side of the fixed seat (23), a through hole (27) is opened. The through hole (27) communicates with the inside of the convex groove (24). On the side of the convex block (25), a second threaded groove (28) is opened. The hand-tightening bolt (26) passes through the through hole (27) and is threadedly connected with the second threaded groove (28).

7. The cleaning device for washer production according to claim 1, characterized in that: A flushing groove (29) is formed at the top of the operation table (1). A water pump (30) is installed at the top of the water tank (20). The inner pipe at the bottom of the water pump (30) is inside the water tank (20). The top of the water pump (30) is fixedly connected to a first transmission pipe (31). A second transmission pipe (32) is fixedly connected to the side surface of the first transmission pipe (31). There are multiple second transmission pipes (32). The bottom of the second transmission pipe (32) is fixedly connected to a nozzle (33). A bracket (34) is fixedly connected to the top of the operation table (1). The bracket (34) is of an L-shaped structure. Multiple second transmission pipes (32) are arranged inside the bracket (34). Multiple nozzles (33) face downward towards the flushing groove (29). A water inlet pipe (35) is fixedly connected to the top of the water tank (20).

8. The cleaning device for washer production according to claim 7, characterized in that: A leakage hole (36) is formed at the bottom of the flushing groove (29). There are multiple leakage holes (36). A transition groove (37) is formed at the front side of the operation table (1). Multiple leakage holes (36) communicate with the top of the transition groove (37). A drain pipe (38) is fixedly connected to the back of the operation table (1). The drain pipe (38) communicates with the inside of the transition groove (37).

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