Battery cell holder fool-proof loading device

Abstract

The utility model relates to a technical field of battery cell support feeding, especially to a battery cell support foolproof feeding device, including base, the right half of base top is provided with first transport groove, the first transport groove is installed with the first conveyer belt that operates from right to left, the left half of base top is provided with second transport groove, the second transport groove is installed with the second conveyer belt that operates from right to left, the middle position of base top is provided with third transport groove, the third transport groove is installed with a plurality of rotatable rubber roller at equal intervals, and the both ends of base top are fixedly installed with support frame, and the fixed frame is fixedly seted between support frame, the fixed plate is vertically located at the back of base top, the middle position of fixed plate is provided with the mouth, the utility model discloses the logic of " thickness threshold setting - stable transportation - gap screening - separation and shunting", realizes the automatic differentiation of upper layer and lower layer battery cell support, effectively avoids the wrong loading, and improves the feeding efficiency and accuracy.

Description

Technical Field

[0001] This utility model relates to the field of battery cell support feeding technology, and in particular to a battery cell support error-proof feeding device. Background Technology

[0002] In the battery cell production and assembly process, the feeding of the battery cell bracket is a key step to ensure the accuracy of subsequent processes. The error-proof feeding device for the battery cell bracket is a device used in the battery assembly process to prevent human / mechanical errors such as incorrect orientation, confusion between upper and lower layers, and positional deviation during the transportation, positioning, or assembly of the battery cell bracket. It can avoid battery cell damage, assembly failure, or safety hazards caused by incorrect installation.

[0003] In the production and assembly process of battery cell brackets, battery cell brackets are usually divided into upper brackets and lower brackets. Since the lower bracket needs to bear the total weight of the upper bracket and its own battery cell, it is subjected to greater force and therefore has a more stringent structural strength design. It is thicker and heavier than the upper bracket. However, because the upper bracket and the lower bracket are similar in shape, they are easily misassembled due to inverted direction or upside down position during the loading process. Traditional devices cannot distinguish the thickness difference between the two and need to rely on manual sorting and correction, which is not only inefficient, but also prone to assembly errors due to human negligence, affecting the sealing and structural stability of subsequent battery cell assembly. Therefore, this application proposes a battery cell bracket error-proof loading device. Utility Model Content

[0004] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a battery cell bracket anti-mistake feeding device to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a battery cell support anti-mistake loading device, comprising:

[0006] The base has a first transport groove on the right half of the top, a second transport groove on the left half of the top, and a third transport groove in the middle of the top.

[0007] The first conveyor belt rotates from right to left and is installed in the first transport trough;

[0008] The second conveyor belt operates from right to left and is installed inside the second transport trough;

[0009] Multiple rubber rollers are installed at equal intervals inside the third transport trough.

[0010] The support frame consists of two sets, each installed at one end of the top of the base.

[0011] A fixing plate is fixedly installed between two support frames. The fixing plate is vertical and located on the rear side of the top of the base. An opening is provided in the middle of the fixing plate.

[0012] A moving plate is movably sleeved between two support frames and is located on the front side of the fixed plate. An opening extending to its bottom is provided at the middle position of the moving plate;

[0013] An adjusting mechanism is disposed at an inclination of 25° between the opening and the through hole.

[0014] Optionally, inner extension plates extending inward to the tops of the first transport groove, the second transport groove, and the third transport groove are provided at the tops of both sides of the base. The tops of the first conveyor belt, the second conveyor belt, and the rubber rollers are all at the same horizontal height, and the first conveyor belt, the second conveyor belt, and the rubber rollers are all located below the inner extension plates. The distance between the bottoms of the fixed plate and the moving plate and the top of the first conveyor belt is 1 mm.

[0015] Optionally, the adjusting mechanism includes a cross plate, a guiding component, a second hydraulic rod, and a measuring rod. One end of the cross plate is fixedly installed at the top of the opening near the second conveyor belt side. The other end of the cross plate extends obliquely at 25° and penetrates through the through hole. A guiding component is provided directly below the cross plate. Two second hydraulic rods are fixedly installed at the position between the fixed plate and the moving plate on the top of the cross plate. The telescopic ends of the two second hydraulic rods penetrate through the cross plate and are fixedly connected to the top of the guiding component. A vertical measuring rod is fixedly connected to the top of the guiding component at one end of the opening. The top end of the measuring rod penetrates through the cross plate and the moving plate, and scale marks are provided on the side wall of the measuring rod.

[0016] Optionally, the guiding component includes a fixed frame and a plurality of rollers. The cross section of the fixed frame is "匚"-shaped. A plurality of rollers are vertically and equidistantly installed between the fixed frames, and the side walls of each roller extend out of the fixed frame.

[0017] Optionally, a first motor is fixedly installed at the right end of the front side of the base, and the output end of the first motor is fixedly connected to the rotating shaft at the right end of the first conveyor belt. The rotating shaft at the rear side of the left end of the first conveyor belt extends to the rear side of the base, and a first gear is fixedly installed on the rotating shaft at the rear side of the left end of the first conveyor belt. The rotating shaft at the rear side of the right end of the second conveyor belt extends to the rear side of the base, and a second gear is fixedly installed on the rotating shaft at the rear side of the right end of the second conveyor belt. A first fixing bolt is fixedly installed at the middle position of the rear side of the base, and a first transmission gear is rotatably sleeved on the first fixing bolt. The two sides of the first transmission gear are respectively meshed with the first gear and the second gear.

[0018] Optionally, the rotating shafts at the front ends of each rubber roller extend to the front side of the base, and a transmission component is provided between the rotating shafts at the front ends of the plurality of rubber rollers;

[0019] The transmission assembly includes a third gear, a second transmission gear, a motor support, and a second motor. The number of third gears is the same as the number of rubber rollers, and each third gear is mounted on the shaft at the front end of the corresponding rubber roller. A second fixing bolt is installed on the front side of the base, below every two adjacent third gears. A second transmission gear is rotatably mounted on each second fixing bolt, and the top of each second transmission gear meshes with two adjacent third gears. The motor support is fixedly mounted on the front side of the base, and the second motor is fixedly mounted on the motor support. The output end of the second motor passes through the motor support and is fixedly connected to the shaft of one of the third gears.

[0020] Optionally, two through holes are provided at the top of the side of the movable plate, which are fitted onto the support frame. Limiting plates are fixedly installed in both through holes. A slot is provided at the middle of the horizontal part of the two support frames. A rod groove is provided at the end of the slot away from the fixed plate. A first hydraulic rod is fixedly installed in the rod groove. The telescopic end of the first hydraulic rod extends into the slot and is fixedly connected to the corresponding limiting plate.

[0021] The beneficial effects of this utility model are:

[0022] By setting up an adjustment mechanism tilted at 25°, and using the guide component and measuring rod in conjunction, automatic screening can be achieved based on the thickness difference of the battery cell bracket. The lower bracket, due to its greater thickness, cannot pass through the gap between the guide component and the transport surface, and the lower bracket can smoothly move to the side of the moving plate away from the fixed plate through the guide component, while the upper bracket can pass smoothly. This allows for quick differentiation between the upper and lower brackets, avoiding the inefficiency and errors of manual sorting, effectively preventing misassembly, and ensuring the sealing and structural stability of the subsequent battery cell assembly.

[0023] The movable plate can be moved along the support frame via the first hydraulic rod to adjust the distance between it and the fixed plate; the second hydraulic rod in the adjustment mechanism can drive the guide component to rise and fall, and in conjunction with the scale markings of the measuring rod, the gap between the guide component and the transport surface can be precisely controlled to adapt to the feeding requirements of battery cell brackets of different thicknesses and specifications, thereby improving the applicability of the device. Attached Figure Description

[0024] Other features, objects, and advantages of this invention will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings:

[0025] Figure 1 This is a schematic diagram of the overall front structure of this utility model;

[0026] Figure 2 This is an enlarged structural diagram of point A in this utility model;

[0027] Figure 3 This is a schematic diagram of the overall rear structure of this utility model;

[0028] Figure 4 This is a schematic diagram showing the connection between the adjustment mechanism of this utility model and the fixed plate and the movable plate;

[0029] Figure 5 This is a schematic diagram of the adjustment mechanism of this utility model;

[0030] Figure 6 This is a schematic diagram of the structure of the base of this utility model;

[0031] In the picture:

[0032] 1. Base; 11. First transport trough; 12. First conveyor belt; 13. Second transport trough; 14. Second conveyor belt; 15. Third transport trough; 16. Rubber roller; 17. First motor; 18. First gear; 19. Second gear; 110. First fixing bolt; 111. First transmission gear;

[0033] 21. Support frame; 22. Fixed plate; 23. Movable plate;

[0034] 211. Groove; 212. First hydraulic rod; 221. Through port; 231. Limiting plate; 232. Opening;

[0035] 3. Adjustment mechanism; 31. Horizontal plate; 32. Guide assembly; 33. Second hydraulic rod; 34. Measuring rod; 321. Fixing frame; 322. Roller;

[0036] 4. Transmission assembly; 41. Third gear; 42. Second fixing bolt; 43. Second transmission gear; 44. Motor support; 45. Second motor. Detailed Implementation

[0037] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0038] Please see Figures 1-6This utility model provides a technical solution: a battery cell bracket anti-mistake feeding device, including a base 1, a first transport groove 11 is opened on the right half of the top of the base 1, a first conveyor belt 12 that rotates from right to left is installed in the first transport groove 11, a second transport groove 13 is opened on the left half of the top of the base 1, a second conveyor belt 14 that rotates from right to left is installed in the second transport groove 13, a third transport groove 15 is opened at the middle position of the top of the base 1, a plurality of rotatable rubber rollers 16 are installed at equal intervals in the third transport groove 15, support frames 21 are fixedly installed at both ends of the top of the base 1, and a fixing plate 22 is fixedly mounted between the support frames 21. The fixing plate 22 is vertically located on the rear side of the top of the base 1. An opening 221 is provided in the middle of the 2. A movable plate 23 is installed between the two support frames 21 and in front of the fixed plate 22. An opening 232 extending to the bottom of the movable plate 23 is provided in the middle of the movable plate 23. An adjustment mechanism 3 inclined at 25° is installed between the opening 232 and the opening 221. A segmented transport path is formed by the first conveyor belt 12, the second conveyor belt 14, and the rubber roller 16. Combined with the movable plate 23, the fixed plate 22, and the 25° inclined adjustment mechanism 3, an integrated "transportation + screening" framework is constructed. This provides basic structural support for distinguishing battery cell brackets of different thicknesses (such as upper brackets / lower brackets), and realizes the synergy of orderly transportation and error prevention function.

[0039] like Figure 1 and Figure 3 As shown, the top of both sides of the base 1 is provided with an inner extension plate that extends inward to the top of the first transport trough 11, the second transport trough 13, and the third transport trough 15. The tops of the first conveyor belt 12, the second conveyor belt 14, and the rubber roller 16 are all at the same horizontal height, and the first conveyor belt 12, the second conveyor belt 14, and the rubber roller 16 are all located below the inner extension plate. The distance between the bottom of the fixed plate 22 and the moving plate 23 and the top of the first conveyor belt 12 is 1mm. By setting the inner extension plate to limit the lateral displacement of the battery cell bracket, the tops of the first conveyor belt 12, the second conveyor belt 14, and the rubber roller 16 are kept at the same horizontal height to ensure stable transportation. The 1mm gap between the bottom of the fixed plate 22 and the moving plate 23 and the transport surface achieves precise longitudinal positioning, effectively preventing the battery cell bracket from shifting position during transportation, improving positioning accuracy, and providing a stable foundation for subsequent screening.

[0040] like Figure 3 and Figure 4As shown in the figure, the adjusting mechanism 3 includes a cross plate 31, a guiding component 32, a second hydraulic rod 33 and a measuring rod 34. One end of the cross plate 31 is fixedly installed at the top of the opening 232 near the second conveyor belt 14. The other end of the cross plate 31 extends obliquely at an angle of 25° and penetrates through the through hole 221. A guiding component 32 is arranged directly below the cross plate 31. At the position between the fixed plate 22 and the moving plate 23 on the top of the cross plate 31, two second hydraulic rods 33 are fixedly installed. The telescopic ends of the two second hydraulic rods 33 penetrate through the cross plate 31 and are fixedly connected to the top of the guiding component 32. The guiding component 32 is fixedly connected to a vertical measuring rod 34 at the top of one end of the opening 232. The top end of the measuring rod 34 penetrates through the cross plate 31 and the moving plate 23, and scale markings are arranged on the side wall of the measuring rod 34. The adjusting mechanism 3 drives the guiding component 32 to rise and fall through the second hydraulic rod 33. With the help of the graduated measuring rod 34, the gap between the guiding component 32 and the transportation surface can be accurately controlled, and it can be flexibly adjusted according to the thickness difference of the battery cell bracket, so as to distinguish the upper bracket and the lower bracket. At the same time, the scale design is convenient for directly observing the adjustment amount, improving the operation convenience and adjustment accuracy, and enhancing the adaptability of anti-fooling screening.

[0041] As Figure 4 and Figure 5 shown in the figure, the guiding component 32 includes a fixed frame 321 and several rollers 322. The cross section of the fixed frame 321 is in the shape of a "C". The several rollers 322 are all vertically installed at equal intervals between the fixed frames 321, and the side wall of each roller 322 extends out of the fixed frame 321. The "C"-shaped fixed frame 321 of the guiding component 32 ensures the structural stability. The design of the vertical rollers 322 reduces the contact friction with the battery cell bracket, and the rollers 322 extending out of the fixed frame 321 can smoothly guide the movement of the bracket, avoiding jams caused by excessive friction during the inclined transportation process, and improving the transportation smoothness of the battery cell bracket in the screening section.

[0042] As Figure 1 and Figure 3As shown, a first motor 17 is fixedly installed on the right side of the front side of the base 1, and the output end of the first motor 17 is fixedly connected to the rotating shaft at the right end of the first conveyor belt 12. The rotating shaft at the rear left end of the first conveyor belt 12 extends to the rear side of the base 1, and a first gear 18 is fixedly installed on the rotating shaft at the rear left end of the first conveyor belt 12. The rotating shaft at the rear right end of the second conveyor belt 14 extends to the rear side of the base 1, and a second gear 19 is fixedly installed on the rotating shaft at the rear right end of the second conveyor belt 14. A first fixing bolt is fixedly installed at the middle position of the rear side of the base 1. 110, and a first transmission gear 111 is rotatably sleeved on the first fixing bolt 110. The two sides of the first transmission gear 111 are respectively meshed with the first gear 18 and the second gear 19. Through the drive of the first motor 17 and the meshing transmission of the first gear 18, the second gear 19 and the first transmission gear 111, the first conveyor belt 12 and the second conveyor belt 14 are synchronized, ensuring that the two sections of transportation have the same speed. This avoids the offset or accumulation of the battery cell bracket due to speed difference during transfer, and improves the overall coordination and stability of transportation.

[0043] like Figure 1 and Figure 2 As shown, the rotating shaft at the front end of each rubber roller 16 extends to the front side of the base 1. A transmission assembly 4 is provided between the rotating shafts at the front ends of multiple rubber rollers 16. The rubber rollers 16 achieve synchronous rotation through the third gear 41, the second transmission gear 43, and the second motor 45, ensuring stable power in the intermediate transportation section. The rubber material increases the friction with the battery cell support, preventing slippage. The equidistant arrangement of multiple rollers ensures uniform transportation and improves the reliability of transportation in the intermediate section.

[0044] The transmission assembly 4 includes a third gear 41, a second transmission gear 43, a motor support 44, and a second motor 45. The number of third gears 41 is the same as the number of rubber rollers 16, and each third gear 41 is mounted on the rotating shaft at the front end of the corresponding rubber roller 16. A second fixing bolt 42 is installed on the front side of the base 1, below each pair of adjacent third gears 41. A second transmission gear 43 is rotatably sleeved on each second fixing bolt 42, and the top end of each second transmission gear 43 is meshed with two adjacent third gears 41. The motor support 44 is fixedly installed on the front side of the base 1, and the second motor 45 is fixedly installed on the motor support 44. The output end of the second motor 45 passes through the motor support 44 and is fixedly connected to the shaft of one of the third gears 41. Through the meshing connection between the second transmission gear 43 and two adjacent third gears 41, the synchronous transmission of the two third gears 41 can be achieved. With the drive of the second motor 45, the multiple third gears 41 and the rubber rollers 16 can rotate synchronously in the same direction.

[0045] like Figure 1 and Figure 4As shown, two through holes fitted onto the support frame 21 are provided at the two corners of the top side of the movable plate 23. Limiting plates 231 are fixedly installed in both through holes. A slot 211 is provided at the middle position of the horizontal and vertical part of the two support frames 21. A rod groove is provided at the end of the slot 211 away from the fixed plate 22. A first hydraulic rod 212 is fixedly installed in the rod groove. The telescopic end of the first hydraulic rod 212 extends into the slot 211 and is fixedly connected to the corresponding limiting plate 231. The movable plate 23 is driven to move along the support frame 21 by the first hydraulic rod 212. Stable adjustment is achieved by the cooperation of the limiting plate 231 and the slot 211. The distance between the movable plate 23 and the fixed plate 22 can be flexibly changed to adapt to the battery cell brackets of different widths and specifications. This enhances the adaptability of the device to diverse battery cell brackets and improves its versatility.

[0046] S1: By extending and retracting the second hydraulic rod 33 in the adjustment mechanism 3, the guide component 32 is driven to rise and fall. Combined with the scale markings on the measuring rod 34, the gap between the guide component 32 and the transport surface is precisely adjusted to be slightly larger than the thickness of the upper support and smaller than the thickness of the lower support (because the lower support is thicker and heavier), ensuring that only the upper support can pass through this gap. At the same time, the moving plate 23 adjusts the distance between itself and the fixed plate 22 through the first hydraulic rod 212 to match the width of the support and avoid lateral displacement.

[0047] S2: The battery cell support (comprising an upper and lower layer) is placed on the first conveyor belt 12. The first motor 17 drives the first conveyor belt 12 to rotate from right to left. Simultaneously, through the meshing transmission of the first gear 18, the first transmission gear 111, and the second gear 19, the second conveyor belt 14 is driven to rotate synchronously. The rubber rollers 16 in the third transport trough 15 rotate synchronously through the transmission assembly 4, forming a continuous transport path. Under the drive of the first conveyor belt 12, the upper and lower supports smoothly enter the rubber roller 16 section of the third transport trough 15.

[0048] S3: When the bracket is transported to below the adjustment mechanism 3 (tilted at 25°):

[0049] If it is an upper support (thinner), its thickness is less than the gap between the guide component 32 and the transport surface, so it can pass smoothly under the guide component 32 and finally enter the second conveyor belt 14 to complete the loading of the upper and lower supports.

[0050] If it is a lower support (thicker), its thickness is greater than the gap between the guide component 32 and the transport surface, and it cannot pass through the gap. It will be blocked by the guide component 32. Due to the tilt setting of the adjustment mechanism 3, the lower support will be guided to the outside of the screening area along the tilt direction (to achieve separation from the upper support). Under the isolation effect of the moving plate 23, the classification and transfer of the lower support and the upper support are realized.

[0051] Although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A fool-proof loading device for cell holder, characterized in that, Comprising: A base (1) with a first transport groove (11) opened in the right half of the top, a second transport groove (13) opened in the left half of the top, and a third transport groove (15) opened at the middle position of the top; A first conveyor belt (12) running from right to left and installed in the first transport groove (11); A second conveyor belt (14) running from right to left and installed in the second transport groove (13); Multiple rubber rollers (16) equally spaced and installed in the third transport groove (15); Two sets of support frames (21) respectively installed at both ends of the top of the base (1); A fixed plate (22) fixedly installed between the two support frames (21). The fixed plate (22) is vertical and located at the rear side of the top of the base (1). A through hole (221) is opened at the middle position of the fixed plate (22); A movable plate (23) movably sleeved between the two support frames (21) and located at the front side of the fixed plate (22). An opening (232) extending to its bottom is opened at the middle position of the movable plate (23); An adjusting mechanism (3) inclined at 25° between the opening (232) and the through hole (221).

2. The cell support anti-mistake feeding device according to claim 1, characterized in that, Inner extension plates extending inward to the tops of the first transport groove (11), the second transport groove (13) and the third transport groove (15) are provided at the tops of both sides of the base (1). The tops of the first conveyor belt (12), the second conveyor belt (14) and the rubber rollers (16) are all at the same horizontal height, and the first conveyor belt (12), the second conveyor belt (14) and the rubber rollers (16) are all located below the inner extension plates. The distance between the bottoms of the fixed plate (22) and the movable plate (23) and the top of the first conveyor belt (12) is 1 mm.

3. The cell support anti-mistake feeding device according to claim 1, characterized in that, The adjusting mechanism (3) includes a cross plate (31), a guiding component (32), a second hydraulic rod (33) and a measuring rod (34). One end of the cross plate (31) is fixedly installed at the top of the opening (232) near the second conveyor belt (14). The other end of the cross plate (31) extends obliquely at 25° and penetrates through the through hole (221). A guiding component (32) is provided directly below the cross plate (31). Two second hydraulic rods (33) are fixedly installed at the top of the cross plate (31) and between the fixed plate (22) and the movable plate (23). The telescopic ends of the two second hydraulic rods (33) penetrate through the cross plate (31) and are fixedly connected to the top of the guiding component (32). A vertical measuring rod (34) is fixedly connected to the top of the guiding component (32) at one end of the opening (232). The top of the measuring rod (34) penetrates through the cross plate (31) and the movable plate (23), and scale markings are provided on the side wall of the measuring rod (34).

4. The cell support anti-mistake feeding device according to claim 3, characterized in that, The guiding component (32) includes a fixed frame (321) and several rollers (322). The cross-section of the fixed frame (321) is "匚"-shaped. The several rollers (322) are all vertically and equally spaced and installed between the fixed frames (321), and the side walls of each roller (322) extend out of the fixed frame (321).

5. The cell support anti-mistake feeding device according to claim 1, characterized in that, A first motor (17) is fixedly installed on the right side of the front side of the base (1), and the output end of the first motor (17) is fixedly connected to the shaft at the right end of the first conveyor belt (12). The shaft at the rear left end of the first conveyor belt (12) extends to the rear side of the base (1), and a first gear (18) is fixedly installed on the shaft at the rear left end of the first conveyor belt (12). The shaft at the rear right end of the second conveyor belt (14) extends to the rear side of the base (1), and a second gear (19) is fixedly installed on the shaft at the rear right end of the second conveyor belt (14). A first fixing bolt (110) is fixedly installed at the middle position of the rear side of the base (1), and a first transmission gear (111) is rotatably sleeved on the first fixing bolt (110). The two sides of the first transmission gear (111) are respectively meshed with the first gear (18) and the second gear (19).

6. The cell support anti-mistake feeding device according to claim 1, characterized in that, The pivot at the front end of each of the rubber rollers (16) extends to the front side of the base (1), and a transmission assembly (4) is provided between the pivots at the front ends of the plurality of rubber rollers (16); The transmission assembly (4) includes a third gear (41), a second transmission gear (43), a motor support (44), and a second motor (45). The number of third gears (41) is the same as the number of rubber rollers (16), and each third gear (41) is installed on the rotating shaft at the front end of the corresponding rubber roller (16). A second fixing bolt (42) is installed on the front side of the base (1) and below each two adjacent third gears (41). A second transmission gear (43) is rotatably sleeved on each second fixing bolt (42), and the top end of each second transmission gear (43) is meshed with two adjacent third gears (41). The motor support (44) is fixedly installed on the front side of the base (1), and the second motor (45) is fixedly installed on the motor support (44). The output end of the second motor (45) passes through the motor support (44) and is fixedly connected to the shaft of one of the third gears (41).

7. The cell support anti-mistake feeding device according to claim 1, characterized in that, Two through holes are provided at the top of the side of the movable plate (23) and fitted onto the support frame (21). Limiting plates (231) are fixedly installed in both through holes. A slot (211) is provided at the middle position of the horizontal and vertical part of the two support frames (21). A rod groove is provided at the end of the slot (211) away from the fixed plate (22). A first hydraulic rod (212) is fixedly installed in the rod groove. The telescopic end of the first hydraulic rod (212) extends into the slot (211) and is fixedly connected to the corresponding limiting plate (231).

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