Box body feeding and conveying device for wine box production

Abstract

The invention relates to the technical field of wine box conveying, in particular to a box body feeding and conveying device for wine box production, which comprises a support frame, a sliding frame, a conveying belt, a movable plate, a linkage box, an adjusting box, a transmission box, a console, a conveying mechanism, a rotating mechanism, an adjusting mechanism and the like. According to the device, clamping and conveying of the wine boxes are achieved through the conveying mechanism, the device is conveniently kept in a suspended mode in the wine box conveying process, rotation of the wine boxes is achieved through the rotating mechanism, part of the devices can rotate the conveyed wine boxes, machining and quality inspection treatment can be conveniently conducted on the outer walls of the wine boxes, and production efficiency is improved. And the sliding frames are adjusted through the adjusting mechanism, so that part of the device can adjust the distance between the sliding frames according to the height specification of the wine box, and the convenience, high efficiency and adjustability of the device are improved.

Description

Technical Field

[0001] The present invention relates to the technical field of wine box conveying, in particular to a box body feeding and conveying device for wine box production. Background Art

[0002] As competition in the wine market intensifies, wine companies are placing higher demands on the production efficiency and output of wine boxes. Traditional manual loading methods are slow and uncontrollable, unable to meet the needs of large-scale, high-efficiency wine box production. Some large wine box manufacturers need to produce thousands or even tens of thousands of wine boxes daily. Manually loading each box individually is not only labor-intensive but also prone to production stagnation caused by untimely loading, affecting overall production efficiency. Therefore, a device that can automatically load boxes and quickly and stably transport boxes is needed to improve the automation and production efficiency of wine box production.

[0003] Existing devices primarily use a conveyor belt to drive the feeding of wine boxes. The existing technology is similar to a feed conveyor device for wine box production, with publication number CN218893042U. The structure includes a first support plate, one side of which is fixedly connected to a second support plate. The first support plate defines a first inner groove, one side of which is fixedly connected to a second drive motor, and the output shaft of the second drive motor is fixedly connected to a second rotating shaft. This feed conveyor device for wine box production can clear raw materials stuck on the conveyor belt surface by controlling the position of the push plate, effectively preventing blockage. However, there are still areas for improvement in this device.

[0004] The existing method mainly feeds wine boxes by supporting them flatly with conveyor belts, which makes it difficult for some devices to clamp and convey the wine boxes through two sets of conveyor belts, resulting in inconvenience in keeping the device suspended during the wine box conveying process. Secondly, some devices find it difficult to rotate the conveyed wine boxes, which makes it inconvenient to process the outer walls of the wine boxes. Finally, some devices find it difficult to adjust the spacing of the sliding racks according to the height specifications of the wine boxes, which makes it inconvenient to stably clamp and convey wine boxes of different specifications and heights, reducing the working efficiency and practicality of the device. Therefore, in order to solve the above problems, a box feeding and conveying device for wine box production is proposed. Summary of the Invention

[0005] The purpose of the present invention is to provide a box feeding and conveying device for wine box production, so as to solve the problem in the prior art mentioned in the above background technology that the wine boxes are mainly fed by a conveyor belt, which makes it difficult for some devices to clamp and convey the wine boxes through two sets of conveyor belts, thereby making it inconvenient to keep the device suspended during the wine box conveying process; secondly, it is difficult for some devices to rotate the conveyed wine boxes, thereby making it inconvenient to process the outer walls of the wine boxes; finally, it is difficult for some devices to adjust the spacing of the sliding racks according to the height specifications of the wine boxes, thereby making it inconvenient to stably clamp and convey wine boxes of different specifications and heights.

[0006] To achieve the above-mentioned object, the present invention provides the following technical solution: a box feeding and conveying device for producing wine boxes, comprising a support frame, wherein sliding frames are slidably connected to both sides of the top of the support frame, a pair of conveyor belts are provided inside the sliding frames, a movable plate is fixedly connected to the outer wall of the conveyor belt, a linkage box is fixedly connected to the inner side of the movable plate on the left side, an adjustment box is fixedly connected to the middle of the bottom of the support frame, a transmission box is fixedly connected to the front side of the support frame, and a control console is fixedly connected to the right side of the transmission box;

[0007] A conveying mechanism is provided inside the transmission box, and the conveying mechanism includes a first motor, and the top of the first motor is fixedly connected to the middle of the bottom of the transmission box. A rotating mechanism is provided inside the linkage box, and the rotating mechanism includes a rotating shaft, and the left end of the rotating shaft is movably connected to the left side of the inner wall of the linkage box. An adjusting mechanism is provided inside the adjustment box, and the adjusting mechanism includes a second motor, and the top of the second motor is fixedly connected to the middle of the bottom of the adjustment box.

[0008] Preferably, the top of the first motor is fixedly connected to a transmission shaft, the top of the transmission shaft passes through the bottom of the transmission box and is fixedly connected to a first bevel gear, the top of the first bevel gear is meshed with a second bevel gear, the inner wall of the second bevel gear is fixedly connected to a transmission worm, and the two ends of the transmission worm are movably connected to both sides of the inner wall of the transmission box.

[0009] Preferably, both sides of the outer wall of the transmission worm are meshedly connected with a transmission worm wheel, the top middle of the transmission worm wheel is fixedly connected with a driving shaft, the top end of the driving shaft passes through the bottom of the sliding frame and is fixedly connected with a driving pulley, and the top center axis of the driving pulley is movably connected to the top of the inner wall of the sliding frame.

[0010] Preferably, the front sides of the inner walls of the pair of conveyor belts are tightly attached to the outer wall of the driving pulley, the rear sides of the inner walls of the pair of conveyor belts are tightly attached to the driven pulley, and the central axis of the driven pulley is movably connected to the inner rear side of the sliding frame.

[0011] Preferably, the right end of the rotating shaft passes through the left movable plate and is fixedly connected to an active clamping block, a driven clamping block is correspondingly provided on the right side of the active clamping block, and the right middle part of the driven clamping block is movably connected to the outer middle part of the right movable plate.

[0012] Preferably, the outer wall of the rotating shaft is located inside the linkage box and is fixedly connected to a linkage worm wheel, the rear side of the outer wall of the linkage worm wheel is meshedly connected to a linkage worm, the top end of the linkage worm is movably connected to the top of the inner wall of the linkage box, and the bottom end of the linkage worm passes through the linkage box and is fixedly connected to the main gear.

[0013] Preferably, the outer wall of the main gear can be meshedly connected with a rack plate, the left side of the rack plate is fixedly connected with a fixed plate, and the bottom of the fixed plate is fixedly connected to the bottom of the inner wall of the left sliding frame.

[0014] Preferably, a movable shaft is fixedly connected to the middle of the top of the second motor, and the top end of the movable shaft passes through the bottom of the adjustment box and is fixedly connected to the third bevel gear.

[0015] Preferably, a fourth bevel gear is meshedly connected above the third bevel gear, a symmetrical screw is fixedly connected to the inner wall of the fourth bevel gear, and two ends of the symmetrical screw are movably connected to both sides of the inner wall of the adjustment box.

[0016] Preferably, the threaded sleeves on both sides of the outer wall of the symmetrical screw are provided with push screw sleeves, the outer wall of the push screw sleeve passes through the support frame and is fixedly connected to the middle of the bottom of the sliding frame, and the top plate of the support frame is provided with a limiting sliding slot corresponding to the push screw sleeve.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] 1. The present invention uses the first motor, transmission shaft, first bevel gear, second bevel gear, transmission worm, transmission worm wheel, drive shaft, active pulley and driven pulley and other structures in the conveying mechanism. The first motor is started by the console to drive the transmission shaft and the first bevel gear to rotate within a limited position. The engagement of the first bevel gear drives the second bevel gear and the transmission worm to rotate within a limited position. The engagement of the transmission worm drives the transmission worm wheel, the drive shaft and the active pulley to rotate within a limited position. The active pulley cooperates with the driven pulley to drive the conveying belt and the movable plate for circular conveying, so that the active clamping block and the driven clamping block on the movable plate cooperate to clamp and convey the wine box, thereby realizing clamping and conveying the wine box. Part of the device can clamp and convey the wine box through two sets of conveyor belts, which is convenient for keeping the suspended device during the wine box conveying process, thereby improving the convenience and practicality of the device.

[0019] 2. The present invention rotates the rotating shaft, active clamp, driven clamp, linked worm wheel, linked worm, main gear, rack plate and fixed plate in the rotating mechanism. The main gear engages with the rack plate on the fixed plate and rotates clockwise. The main gear drives the linked worm to rotate in a limited position. The engagement of the linked worm drives the linked worm wheel, the rotating shaft and the active clamp to rotate in a limited position. The active clamp can cooperate with the driven clamp to drive the wine box to rotate in a limited position, thereby realizing the rotation of the wine box. Part of the device can rotate the conveyed wine box, which is convenient for processing and quality inspection of the outer wall of the wine box, and improves the efficiency and practicality of the device.

[0020] 3. The present invention adjusts the second motor, movable shaft, third bevel gear, fourth bevel gear, symmetrical screw and push screw sleeve in the mechanism, and starts the second motor through the console to drive the movable shaft and the third bevel gear to limit rotation. The engagement of the third bevel gear drives the fourth bevel gear and the symmetrical screw to limit rotation. The symmetrical screw drives the push screw sleeve and the sliding frame to slide symmetrically, thereby realizing the adjustment of the sliding frame. Part of the device can adjust the spacing of the sliding frames according to the height specifications of the wine boxes, which is convenient for stably clamping and conveying wine boxes of different specifications and heights, and improves the adjustability and practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a front side perspective view of the structure of the present invention;

[0022] Figure 2 It is a front cross-sectional perspective view of the structure of the present invention;

[0023] Figure 3 It is a front sectional perspective view of a partial structure of the transmission box and the conveying mechanism of the present invention;

[0024] Figure 4 A side sectional perspective view of a partial structure of the sliding frame and the conveying mechanism of the present invention;

[0025] Figure 5 It is a front sectional perspective view of the local structure of the linkage box and the rotating mechanism of the present invention;

[0026] Figure 6 It is a front cross-sectional perspective view of the partial structure of the left sliding frame and the rotating mechanism of the present invention;

[0027] Figure 7 It is a front cross-sectional perspective view of the partial structure of the right sliding frame and the rotating mechanism of the present invention;

[0028] Figure 8 It is a rear sectional perspective view of the partial structure of the regulating box and regulating mechanism of the present invention.

[0029] In the figure: 101, support frame; 102, sliding frame; 103, conveyor belt; 104, movable plate; 105, linkage box; 106, adjustment box; 107, transmission box; 108, control console; 2, conveying mechanism; 201, first motor; 202, transmission shaft; 203, first bevel gear; 204, second bevel gear; 205, transmission worm; 206, transmission worm wheel; 207, drive shaft; 208, driving pulley ; 209, driven pulley; 3, rotating mechanism; 301, rotating shaft; 302, active clamping block; 303, driven clamping block; 304, linked worm gear; 305, linked worm; 306, main gear; 307, rack plate; 308, fixed plate; 4, adjusting mechanism; 401, second motor; 402, movable shaft; 403, third bevel gear; 404, fourth bevel gear; 405, symmetrical screw; 406, push screw sleeve. DETAILED DESCRIPTION

[0030] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0031] See also Figures 1-8 , an embodiment provided by the present invention:

[0032] A box feeding and conveying device for producing wine boxes includes a support frame 101. Slide frames 102 are slidably connected to the top and sides of the support frame 101. A pair of conveyor belts 103 are provided inside the slide frames 102. A movable plate 104 is fixedly connected to the outer wall of the conveyor belt 103. A linkage box 105 is fixedly connected to the inner side of the left movable plate 104. An adjustment box 106 is fixedly connected to the middle of the bottom of the support frame 101. A transmission box 107 is fixedly connected to the front side of the support frame 101. A control console 108 is fixedly connected to the right side of the transmission box 107.

[0033] The transmission box 107 is provided with a conveying mechanism 2 inside, and the conveying mechanism 2 includes a first motor 201, the top of the first motor 201 is fixedly connected to the bottom middle of the transmission box 107, the top of the first motor 201 is fixedly connected to a transmission shaft 202, the top of the transmission shaft 202 passes through the bottom of the transmission box 107 and is fixedly connected to a first bevel gear 203, the top of the first bevel gear 203 is meshed with a second bevel gear 204, the inner wall of the second bevel gear 204 is fixedly connected with a transmission worm 205, and the two ends of the transmission worm 205 are movably connected to both sides of the inner wall of the transmission box 107. Through this design, the first motor 201 drives the transmission shaft 202 and the first bevel gear 203 to rotate in a limited position, so that the first bevel gear 203 meshes and drives the second bevel gear 204 and the transmission worm 205 to rotate in a limited position, and the outer wall of the transmission worm 205 is meshed with The top middle part of the transmission worm gear 206 is fixedly connected to the driving shaft 207, and the top end of the driving shaft 207 passes through the bottom of the sliding frame 102 and is fixedly connected to the driving pulley 208. The top center axis of the driving pulley 208 is movably connected to the top of the inner wall of the sliding frame 102. Through this design, the transmission worm 205 is meshed to drive a pair of transmission worm gears 206 to rotate in the same speed and opposite directions, so that the transmission worm gear 206 drives the driving shaft 207 and the driving pulley 208 to rotate in a limited manner, and the front side of the inner wall of a pair of conveyor belts 103 is tightly attached to the outer wall of the driving pulley 208, and the rear side of the inner wall of a pair of conveyor belts 103 is tightly attached to the driven pulley 209, and the center axis of the driven pulley 209 is movably connected to the inner rear side of the sliding frame 102. Through this design, the driving pulley 208 cooperates with the driven pulley 209 to drive the conveyor belt 103 to rotate in a limited manner.

[0034] The interior of the linkage box 105 is provided with a rotating mechanism 3, which includes a rotating shaft 301, the left end of the rotating shaft 301 is movably connected to the left side of the inner wall of the linkage box 105, and the right end of the rotating shaft 301 passes through the left movable plate 104 and is fixedly connected to an active clamping block 302. A driven clamping block 303 is correspondingly provided on the right side of the active clamping block 302, and the right middle part of the driven clamping block 303 is movably connected to the outer middle part of the right movable plate 104. Through this design, the active clamping block 302 can cooperate with the driven clamping block 303 to clamp the wine box and limit rotation. The outer wall of the rotating shaft 301 is located inside the linkage box 105 and is fixedly connected to a linkage worm gear 304. The rear side of the outer wall of the linkage worm gear 304 is meshed with a linkage worm 305. The top of the linkage worm 305 is movably connected to the top of the inner wall of the linkage box 105. The bottom end of 5 passes through the linkage box 105 and is fixedly connected to the main gear 306. Through this design, the main gear 306 can drive the linkage worm 305 to limit rotation, so that the linkage worm 305 engages to drive the linkage worm wheel 304, the rotating shaft 301 and the active clamping block 302 to limit rotation. The outer wall of the main gear 306 can be engaged with the rack plate 307, and the left side of the rack plate 307 is fixedly connected to the fixed plate 308. The bottom of the fixed plate 308 is fixedly connected to the bottom of the inner wall of the left sliding frame 102. Through this design, the conveying mechanism 2 drives the movable plate 104 and the rotating mechanism 3 to circulate through the conveying belt 103. The main gear 306 in the rotating mechanism 3 can engage the rack plate 307 on the fixed plate 308 and limit rotation, so that the rotating mechanism 3 drives the wine box to limit rotation during the process of conveying the wine box.

[0035] The interior of the regulating box 106 is provided with an regulating mechanism 4, which includes a second motor 401. The top of the second motor 401 is fixedly connected to the middle of the bottom of the regulating box 106. The middle of the top of the second motor 401 is fixedly connected to a movable shaft 402. The top of the movable shaft 402 passes through the bottom of the regulating box 106 and is fixedly connected to a third bevel gear 403. Through this design, the second motor 401 drives the movable shaft 402 and the third bevel gear 403 to rotate in a limited position. The upper part of the third bevel gear 403 is meshed with a fourth bevel gear 404. The inner wall of the fourth bevel gear 404 is fixedly connected to a symmetrical screw 405. The symmetrical screw 405 5, the two ends of which are movably connected to the inner wall of the adjusting box 106. Through this design, the third bevel gear 403 is engaged to drive the fourth bevel gear 404 and the symmetrical screw 405 to limit rotation. The threaded sleeves on both sides of the outer wall of the symmetrical screw 405 are provided with push screw sleeves 406. The outer wall of the push screw sleeve 406 passes through the support frame 101 and is fixedly connected to the middle of the bottom of the sliding frame 102. The top plate of the support frame 101 is provided with a limiting sliding slot corresponding to the push screw sleeve 406. Through this design, the symmetrical screw 405 drives the push screw sleeve 406 and the sliding frame 102 to slide symmetrically, so that the conveying mechanism 2 can clamp and convey wine boxes of different height specifications.

[0036] Working principle: When the wine box needs to be clamped and conveyed, the first motor 201 is first started through the console 108, and the first motor 201 drives the transmission shaft 202 to limit rotation, and the transmission shaft 202 drives the first bevel gear 203 to rotate synchronously, and the first bevel gear 203 engages to drive the second bevel gear 204 to rotate, and the second bevel gear 204 drives the transmission worm 205 to limit rotation, and the transmission worm 205 engages to drive a pair of transmission worm wheels 206 to rotate in the same speed and opposite directions, and the transmission worm wheel 206 drives the drive shaft 207 to rotate synchronously, and the drive shaft 207 drives the active pulley 208 to limit rotation, and the active pulley 208 cooperates with the driven pulley 209 to drive the conveyor belt 103 to limit rotation, and the conveyor belt 103 drives the movable plate 104 to circulate and convey, so that the active clamping block 302 and the driven clamping block 303 on the movable plate 104 cooperate to clamp and convey the wine box, thereby realizing the clamping and conveying operation of the wine box.

[0037] When the wine box needs to be rotated, the movable plate 104 and the rotating mechanism 3 are first driven by the conveying mechanism 2 to circulate, so that the main gear 306 can engage the rack plate 307 on the fixed plate 308 and rotate clockwise, and the main gear 306 drives the linkage worm 305 to limit rotation, and the linkage worm 305 engages and drives the linkage worm wheel 304 to rotate, and the linkage worm wheel 304 drives the rotating shaft 301 to limit rotation, and the rotating shaft 301 drives the active clamping block 302 to rotate synchronously, so that the active clamping block 302 can cooperate with the driven clamping block 303 to drive the wine box to limit rotation, thereby realizing the rotation operation of the wine box.

[0038] When the sliding frame 102 needs to be adjusted, the second motor 401 is first started through the console 108. The second motor 401 drives the movable shaft 402 to limit the rotation, and the movable shaft 402 drives the third bevel gear 403 to rotate synchronously. The third bevel gear 403 engages and drives the fourth bevel gear 404 to rotate. The fourth bevel gear 404 drives the symmetrical screw 405 to limit the rotation, and the symmetrical screw 405 drives the pushing screw sleeve 406 to slide symmetrically. The pushing screw sleeve 406 drives the sliding frame 102 to slide synchronously, thereby realizing the adjustment operation of the sliding frame 102. The operation ends here.

[0039] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Any ordinary technician in this industry can smoothly implement the present invention as shown in the drawings and described above. However, any equivalent changes, modifications and evolutions made by technicians familiar with this profession without departing from the scope of the technical solution of the present invention using the technical content disclosed above are all equivalent embodiments of the present invention. At the same time, any equivalent changes, modifications and evolutions made to the above embodiments based on the essential technology of the present invention are still within the scope of protection of the technical solution of the present invention.

Claims

1. A box feeding and conveying device for producing wine boxes, comprising a support frame (101), characterized in that: The top two sides of the support frame (101) are slidably connected to a sliding frame (102), a pair of conveying belts (103) are provided inside the sliding frame (102), the outer wall of the conveying belt (103) is fixedly connected to a movable plate (104), the inner side of the left movable plate (104) is fixedly connected to a linkage box (105), the bottom middle of the support frame (101) is fixedly connected to an adjustment box (106), the front side of the support frame (101) is fixedly connected to a transmission box (107), and the right side of the transmission box (107) is fixedly connected to a console (108); A conveying mechanism (2) is provided inside the transmission box (107), and the conveying mechanism (2) includes a first motor (201), and the top of the first motor (201) is fixedly connected to the middle of the bottom of the transmission box (107). A rotating mechanism (3) is provided inside the linkage box (105), and the rotating mechanism (3) includes a rotating shaft (301), and the left end of the rotating shaft (301) is movably connected to the left side of the inner wall of the linkage box (105). An adjusting mechanism (4) is provided inside the adjustment box (106), and the adjusting mechanism (4) includes a second motor (401), and the top of the second motor (401) is fixedly connected to the middle of the bottom of the adjustment box (106).

2. The box feeding and conveying device for producing wine boxes according to claim 1, characterized in that: The top of the first motor (201) is fixedly connected to a transmission shaft (202), the top of the transmission shaft (202) passes through the bottom of the transmission box (107) and is fixedly connected to a first bevel gear (203), the top of the first bevel gear (203) is meshedly connected to a second bevel gear (204), the inner wall of the second bevel gear (204) is fixedly connected to a transmission worm (205), and the two ends of the transmission worm (205) are movably connected to both sides of the inner wall of the transmission box (107).

3. The box feeding and conveying device for producing wine boxes according to claim 2, characterized in that: The outer walls of the transmission worm (205) are meshedly connected with a transmission worm wheel (206), the top middle of the transmission worm wheel (206) is fixedly connected with a driving shaft (207), the top end of the driving shaft (207) passes through the bottom of the sliding frame (102) and is fixedly connected with a driving pulley (208), and the top center axis of the driving pulley (208) is movably connected to the top of the inner wall of the sliding frame (102).

4. The box feeding and conveying device for producing wine boxes according to claim 3, characterized in that: The front sides of the inner walls of the pair of conveying belts (103) are in close contact with the outer wall of the driving pulley (208), and the rear sides of the inner walls of the pair of conveying belts (103) are in close contact with the driven pulley (209), and the central axis of the driven pulley (209) is movably connected to the inner rear side of the sliding frame (102).

5. The box feeding and conveying device for producing wine boxes according to claim 1, characterized in that: The right end of the rotating shaft (301) passes through the left movable plate (104) and is fixedly connected to an active clamping block (302). A driven clamping block (303) is correspondingly provided on the right side of the active clamping block (302). The middle right side of the driven clamping block (303) is movably connected to the middle outer side of the right movable plate (104).

6. The box feeding and conveying device for producing wine boxes according to claim 5, characterized in that: The outer wall of the rotating shaft (301) is located inside the linkage box (105) and is fixedly connected to a linkage worm wheel (304); the rear side of the outer wall of the linkage worm wheel (304) is meshedly connected to a linkage worm (305); the top end of the linkage worm (305) is movably connected to the top of the inner wall of the linkage box (105); the bottom end of the linkage worm (305) passes through the linkage box (105) and is fixedly connected to a main gear (306).

7. The box feeding and conveying device for producing wine boxes according to claim 6, characterized in that: The outer wall of the main gear (306) can be meshedly connected with a rack plate (307), the left side of the rack plate (307) is fixedly connected with a fixed plate (308), and the bottom of the fixed plate (308) is fixedly connected to the bottom of the inner wall of the left sliding frame (102).

8. The box feeding and conveying device for producing wine boxes according to claim 1, characterized in that: A movable shaft (402) is fixedly connected to the middle of the top of the second motor (401), and the top end of the movable shaft (402) passes through the bottom of the adjustment box (106) and is fixedly connected to a third bevel gear (403).

9. The box feeding and conveying device for producing wine boxes according to claim 8, characterized in that: The third bevel gear (403) is meshed with a fourth bevel gear (404) above, and the inner wall of the fourth bevel gear (404) is fixedly connected with a symmetrical screw (405), and the two ends of the symmetrical screw (405) are movably connected to the inner wall of the adjustment box (106).

10. The box feeding and conveying device for producing wine boxes according to claim 9, characterized in that: Pushing screw sleeves (406) are provided on both sides of the outer wall of the symmetrical screw (405), and the outer wall of the pushing screw sleeve (406) passes through the support frame (101) and is fixedly connected to the middle of the bottom of the sliding frame (102). The top plate of the support frame (101) is provided with a limiting sliding slot corresponding to the pushing screw sleeve (406).

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