Magnetic impurity separation equipment for ceramic glaze processing

Abstract

The invention relates to magnetic impurity separation equipment for ceramic glaze processing, which comprises a separation box, the upper end of the separation box is provided with a feed hopper, the separation box is internally provided with an impurity removal mechanism, the impurity removal mechanism comprises a U-shaped frame located in the separation box, two rotating shafts are oppositely arranged on two side walls of the U-shaped frame, and the two rotating shafts are oppositely arranged on the two side walls of the U-shaped frame. A hollow roller is arranged between the two rotating shafts, an L-shaped fixing plate is arranged on one side wall of the U-shaped frame, a fixing shaft penetrating through the rotating shaft on the same side and extending into the hollow roller is arranged on the L-shaped fixing plate, and a semicircular permanent magnet located in the hollow roller is arranged on the fixing shaft. An impurity outlet is formed in the side wall of the separating box, and a glaze outlet connected with the triangular shunting block is formed in the bottom wall of the separating box; magnetic impurities on the hollow roller can be removed without shutdown, and the continuous separation capacity of the magnetic impurities is achieved.

Description

Technical Field

[0001] The present invention relates to the technical field of glaze impurity removal, and particularly relates to a magnetic impurity separation device for ceramic glaze processing. Background Art

[0002] Glaze is a kind of silicate. The glaze applied on ceramic wares generally uses quartz, feldspar, and clay as raw materials. After being ground and mixed with water, it is coated on the surface of the green body and melted by firing at a certain temperature. When the temperature drops, a vitreous thin layer is formed on the surface of the ceramic. It increases the mechanical strength, thermal stability, dielectric strength of the ceramic ware and prevents the erosion of liquids and gases. Glaze also has the functions of enhancing the beauty of porcelain, facilitating washing, and not being stained by dust. The ceramic wares we use daily generally wear a smooth and shiny coat. Especially for daily-use ceramics, they are more particular about this "coat". Some are as white as jade, and some are colorful and very beautiful. This coat of ceramics is called "glaze".

[0003] Since ceramic glaze contains natural magnetic impurities, these impurities will have a negative impact on the product in the ceramic glaze, specifically manifested in the following aspects: 1. Reducing the whiteness of ceramics: The presence of iron elements will reduce the whiteness of ceramic products and affect the appearance quality of the products; 2. Generating black spots: Iron elements will react with other elements during the heating process, resulting in uneven spots or color differences on the surface of the ceramics, seriously affecting the beauty and market value of the products; 3. Affecting equipment safety: Iron impurities may cause equipment failures during the processing, affecting production efficiency and equipment life. For the above reasons, it is necessary to separate magnetic impurities during the ceramic glaze processing.

[0004] In the prior art, the natural magnetic impurities contained in ceramic glaze are usually separated by the adsorption of magnetic materials. However, these magnetic impurities will adsorb on the surface of the magnetic materials. As the equipment continues to operate, more and more magnetic impurities will adsorb on the surface of the magnetic materials, which will reduce the impurity removal performance of the equipment and require long-term shutdown for maintenance. For example, a magnetic impurity separation device for ceramic glaze processing with the patent publication number CN216799961U includes a frame, a housing, a feed inlet, a crushing mechanism, a screening mechanism, a magnetic separation mechanism, and a discharge mechanism; the crushing mechanism includes a support shaft, a rotary drive, a roller, and a first base; the first base is fixedly arranged on the outside near the top of the housing; the rotary drive is fixedly arranged on the first base, and the output end of the rotary drive points to the side wall of the housing; one end of the support shaft is fixedly arranged at the output end of the rotary drive, and the support shaft penetrates through the frame from outside to inside; the roller is fixedly arranged around the axis of the support shaft on the support shaft; after the device works for a period of time, it needs to be shut down for maintenance, and a water spray head, a hot air pipe, and a hot air blower are used to clean the magnetic separation mechanism in the device to avoid the situation that the magnetic separation performance decreases after the magnetic separation mechanism works for a long time. Summary of the Invention

[0005] An embodiment of the present invention provides a magnetic impurity separation device for ceramic glaze processing, which can solve the problem in the prior art that as the equipment continuously operates, more and more magnetic impurities are adsorbed on the surface of the magnetic material, reducing the impurity removal performance of the equipment and requiring long-term shutdown for maintenance.

[0006] To solve the above technical problems, the present invention adopts the following technical solutions: A magnetic impurity separation device for ceramic glaze processing, including a separation box, a feed hopper is arranged at the upper end of the separation box, and an impurity removal mechanism is arranged inside the separation box. The impurity removal mechanism includes a "U"-shaped frame located inside the separation box. Two rotating shafts are oppositely arranged on the two side walls of the "U"-shaped frame. A hollow roller is arranged between the two rotating shafts. An "L"-shaped fixing plate is arranged on one of the side walls of the "U"-shaped frame. A fixed shaft passing through the rotating shaft on the same side and extending into the hollow roller is arranged on the "L"-shaped fixing plate. A semi-circular permanent magnet is arranged on the fixed shaft inside the hollow roller. A triangular diversion block is arranged directly below the hollow roller. An impurity outlet is arranged on the side wall of the separation box, and a diversion groove connected to the triangular diversion block is arranged at the impurity outlet. A glaze outlet connected to the triangular diversion block is arranged on the bottom wall of the separation box;

[0007] A driving mechanism for driving the hollow roller to rotate slowly is arranged on the separation box.

[0008] Preferably, two groups of the impurity removal mechanisms are arranged oppositely.

[0009] Preferably, a slider is arranged on the "U"-shaped frame of the impurity removal mechanism on the right side. A chute adapted to the slider is arranged inside the separation box. A screw rod rotatably connected to the side wall of the separation box is rotatably connected to this group of "U"-shaped frames. The impurity removal mechanism on the left side is fixedly arranged inside the separation box.

[0010] Preferably, the driving mechanism includes a driving part arranged on the outer side wall of the separation box. A rotating shaft rotatably connected to the output end of the driving part is arranged inside the separation box. A first driving bevel gear is arranged on the left part of the rotating shaft. A first driven bevel gear meshing with the first driving bevel gear is arranged on the rotating shaft of the impurity removal mechanism on the left side. A spline is arranged on the right part of the rotating shaft. A bearing seat is arranged on the "U"-shaped frame of the impurity removal mechanism on the right side. A bushing is rotatably connected to the bearing seat. A spline groove adapted to the spline is arranged on the inner side of the bushing. A second driving bevel gear is arranged on the bushing. A second driven bevel gear meshing with the second driving bevel gear is arranged on the rotating shaft on the right side.

[0011] Preferably, the feed hopper includes a blanking pipe connected to the separation box. A transmission shaft is rotatably connected inside the blanking pipe, and a plurality of blanking plates are arranged in an annular array on the transmission shaft.

[0012] Preferably, a driving pulley is arranged at the output end of the driving part. A driven pulley is rotatably connected to the upper end of the separation box. A belt is connected between the driving pulley and the driven pulley. A third driving bevel gear is coaxially arranged on the driven pulley, and a third driven bevel gear meshing with the third driving bevel gear is coaxially arranged on the transmission shaft.

[0013] Preferably, guide grooves are arranged on both sides of each blanking plate. Guide blocks are slidably connected inside the guide grooves. Arc-shaped sleeves are arranged on the guide blocks. An arc-shaped plate is slidably connected between two opposite arc-shaped sleeves. Elastic members are arranged between the two ends of the arc-shaped plate and the two arc-shaped sleeves. A telescopic device is arranged between the transmission shaft and the arc-shaped plate.

[0014] Preferably, an observation window is arranged on the side wall of the separation box.

[0015] Compared with the prior art, the present invention is provided with a separation box, a feed hopper, a "U"-shaped frame, a rotating shaft, a hollow roller, an "L"-shaped fixing plate, a fixed shaft, a semi-circular permanent magnet, a triangular flow dividing block, an impurity outlet, a diversion groove, a glaze outlet and a driving mechanism. The driving mechanism drives the hollow roller to rotate slowly. The ceramic glaze powder falls from the feed hopper onto the hollow roller. The semi-circular permanent magnet adsorbs the magnetic impurities on the surface of the hollow roller and rotates with the hollow roller. When the magnetic impurities rotate to the opposite side of the semi-circular permanent magnet, the magnetic impurities are separated from the hollow roller under the action of gravity and are discharged from the impurity outlet under the diversion action of the triangular flow dividing block and the diversion groove. The ceramic glaze powder directly falls and is discharged from the glaze outlet, and there is no need to stop the machine to remove the magnetic impurities on the hollow roller, having the ability of continuous separation of magnetic impurities. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is the main sectional view structure diagram of the present invention;

[0017] Figure 2 is the top sectional view structure diagram of the present invention;

[0018] Figure 3 is the main sectional view structure diagram of the hollow roller of the present invention;

[0019] Figure 4 is the sectional view structure diagram of the shaft sleeve of the present invention;

[0020] Figure 5 is the sectional view structure diagram of the rotating shaft of the present invention;

[0021] Figure 6Schematic diagram of the front view sectional structure of the feed hopper of the present invention;

[0022] Figure 7 For the present invention Figure 6 Enlarged schematic diagram of the structure at A in the present invention;

[0023] Figure 8 Schematic diagram of the front view structure of the present invention.

[0024] In the figure: 1. Separation box; 2. Feed hopper; 3. "U"-shaped frame; 4. Rotating shaft; 5. Hollow roller; 6. "L"-shaped fixing plate; 7. Fixed shaft; 8. Semi-circular permanent magnet; 9. Triangular flow splitter; 10. Impurity outlet; 11. Flow guiding groove; 12. Glaze outlet; 13. Slide block; 14. Slide groove; 15. Screw; 16. Driving part; 17. Rotating shaft; 18. First driving bevel gear; 19. First driven bevel gear; 20. Bearing seat; 21. Sleeve; 22. Spline; 23. Second driving bevel gear; 24. Second driven bevel gear; 25. Feed pipe; 26. Transmission shaft; 27. Feed plate; 28. Guide groove; 29. Guide block; 30. Arc-shaped sleeve; 31. Arc-shaped plate; 32. Elastic member; 33. Telescopic device; 34. Driving pulley; 35. Driven pulley; 36. Belt; 37. Third driving bevel gear; 38. Third driven bevel gear; 39. Observation window; 40. Spline groove. Specific embodiments

[0025] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the technical solutions of the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention.

[0026] Such as Figures 1 to 8As shown in the figure, a magnetic impurity separation device for ceramic glaze processing includes a separation box 1. A feed hopper 2 is provided at the upper end of the separation box 1. An impurity removal mechanism is arranged inside the separation box 1. The impurity removal mechanism includes a "U"-shaped frame 3 located inside the separation box 1. Two rotating shafts 4 are oppositely arranged on the two side walls of the "U"-shaped frame 3. A hollow roller 5 is arranged between the two rotating shafts 4. An "L"-shaped fixing plate 6 is arranged on one of the side walls of the "U"-shaped frame 3. A fixing shaft 7 that penetrates the rotating shaft 4 on the same side and extends into the hollow roller 5 is arranged on the "L"-shaped fixing plate 6. A semi-circular permanent magnet 8 is arranged on the fixing shaft 7 inside the hollow roller 5. A triangular diversion block 9 is arranged directly below the hollow roller 5. An impurity outlet 10 is opened on the side wall of the separation box 1. A diversion groove 11 connected to the triangular diversion block 9 is arranged at the impurity outlet 10. A glaze outlet 12 connected to the triangular diversion block 9 is arranged on the bottom wall of the separation box 1;

[0027] A driving mechanism for driving the hollow roller 5 to rotate slowly is arranged on the separation box 1.

[0028] During specific use, the driving mechanism drives the hollow roller 5 to rotate slowly. The ceramic glaze powder falls from the feed hopper 2 onto the hollow roller 5. The semi-circular permanent magnet 8 adsorbs the magnetic impurities on the surface of the hollow roller 5 and rotates with the hollow roller 5. When the magnetic impurities rotate to the opposite side of the semi-circular permanent magnet 8, the magnetic impurities separate from the hollow roller 5 under the action of gravity and are discharged from the impurity outlet 10 under the diversion of the triangular diversion block 9 and the diversion groove 11. The ceramic glaze powder directly falls and is discharged from the glaze outlet 12.

[0029] In order to achieve the purpose of improving the separation effect of magnetic impurities in ceramic glaze, preferably, two sets of impurity removal mechanisms are arranged oppositely. The ceramic glaze powder falls between the two sets of impurity removal mechanisms. The two hollow rollers 5 rotate towards each other, separating the magnetic impurities simultaneously, and the separation effect is good.

[0030] In order to achieve the purpose of improving the separation effect of magnetic impurities in ceramic glaze, preferably, a slider 13 is arranged on the "U"-shaped frame 3 of the impurity removal mechanism on the right side. A chute 14 adapted to the slider 13 is arranged inside the separation box 1. A screw rod 15 rotatably connected to the side wall of the separation box 1 is rotatably connected to this set of "U"-shaped frame 3. The impurity removal mechanism on the left side is fixedly arranged inside the separation box 1.

[0031] Specifically, since the grading of glaze particle size can achieve different textures and color effects of ceramic ware and also plays an important role in the pottery-making process, during pottery-making, selecting an appropriate reference standard for glaze particle size can produce high-quality ceramic ware. In this embodiment, if a larger glaze particle size is required, the screw 15 can be rotated to move the "U"-shaped frame 3 away from the other "U"-shaped frame 3, increasing the distance between the two hollow rollers 5 to prevent the two hollow rollers 5 from crushing the glaze particles. If a smaller glaze particle size is needed, the screw 15 can be rotated in the reverse direction to move the "U"-shaped frame 3 closer to the other "U"-shaped frame 3, reducing the distance between the two hollow rollers 5, so that the two hollow rollers 5 crush the glaze particles, further exposing the magnetic impurities contained therein, which is beneficial to improving the separation effect of magnetic impurities.

[0032] Preferably, the driving mechanism includes a driving part 16 arranged on the outer side wall of the separation box 1. The driving part 16 is a reduction motor. A rotating shaft 17 fixedly connected to the output end of the driving part 16 is rotatably connected inside the separation box 1. A first driving bevel gear 18 is arranged on the left part of the rotating shaft 17. A first driven bevel gear 19 meshing with the first driving bevel gear 18 is arranged on the rotating shaft 4 of the left impurity removal mechanism. A spline 22 is arranged on the right part of the rotating shaft 17. A bearing seat 20 is arranged on the "U"-shaped frame 3 of the right impurity removal mechanism. A bushing 21 is rotatably connected to the bearing seat 20. A spline groove 40 adapted to the spline 22 is formed inside the bushing 21. A second driving bevel gear 23 is arranged on the bushing 21. A second driven bevel gear 24 meshing with the second driving bevel gear 23 is arranged on the right rotating shaft 4.

[0033] Specifically, when adjusting the distance between the two hollow rollers 5, the bearing seat 20 will drive the second driven bevel gear 24 to move along the length direction of the rotating shaft 17 through the bushing 21. When the reduction motor works to drive the rotating shaft 17 to rotate, while the rotating shaft 17 drives the first driving bevel gear 18, the spline 22 on the rotating shaft 17 drives the second driving bevel gear 23 to rotate through the spline groove 40. The first driving bevel gear 18 drives the left hollow roller 5 to rotate through the first driven bevel gear 19, and the second driving bevel gear 23 drives the right hollow roller 5 to rotate through the second driven bevel gear 24, so that the two hollow rollers 5 rotate towards each other. The separated magnetic impurities are discharged from the two impurity outlets 10, and the ceramic glaze powder directly falls and is discharged from the glaze outlet 12.

[0034] To achieve the purpose of improving the separation effect of magnetic impurities in ceramic glaze, preferably, the feeding hopper 2 includes a blanking pipe 25 connected to the separation box 1. A transmission shaft 26 is rotatably connected inside the blanking pipe 25. A plurality of blanking plates 27 are annularly arranged on the transmission shaft 26. The output end of the driving part 16 is provided with a driving pulley 34. The upper end of the separation box 1 is rotatably connected with a driven pulley 35. A belt 36 is connected between the driving pulley 34 and the driven pulley 35. The driven pulley 35 is coaxially provided with a third driving bevel gear 37. The transmission shaft 26 is coaxially provided with a third driven bevel gear 38 meshing with the third driving bevel gear 37.

[0035] Specifically, during the operation of the reduction motor, it drives the driving pulley 34 to rotate. The driving pulley 34 drives the driven pulley 35 to rotate through the belt 36. The driven pulley 35 drives the third driving bevel gear 37 to rotate. The third driving bevel gear 37 drives the blanking plates 27 on the transmission shaft 26 to rotate through the third driven bevel gear 38, so that the ceramic glaze powder in the feeding hopper 2 falls into the separation box 1 in small amounts and evenly from the blanking pipe 25, which is beneficial to improving the separation effect of magnetic impurities in the ceramic glaze.

[0036] To achieve the purpose of improving the separation effect of magnetic impurities in ceramic glaze, preferably, guide grooves 28 are arranged on both sides of each blanking plate 27. Guide blocks 29 are slidably connected inside the guide grooves 28. An arc-shaped sleeve 30 is arranged on the guide block 29. An arc-shaped plate 31 is slidably connected between two opposite arc-shaped sleeves 30. Elastic members 32 are arranged between the two ends of the arc-shaped plate 31 and the two arc-shaped sleeves 30. The elastic members 32 are springs. A telescopic device 33 is arranged between the transmission shaft 26 and the arc-shaped plate 31. The telescopic device 33 is an electric push rod or a hydraulic rod.

[0037] Specifically, the separation effect of magnetic impurities in ceramic glaze can be improved by adjusting the blanking speed. When rough separation of magnetic impurities in ceramic glaze is required, control the telescopic end of the telescopic device 33 to contract. The telescopic device 33 drives the arc-shaped plate 31 to move towards the transmission shaft 26. The two ends of the arc-shaped plate 31 contract and squeeze the springs inside the two arc-shaped sleeves 30, increasing the volume between two adjacent blanking plates 27, improving the blanking speed of the ceramic glaze, and thus increasing the separation speed of magnetic impurities in the ceramic glaze, but the separation effect is reduced; when it is necessary to improve the separation effect of magnetic impurities in the ceramic glaze, control the telescopic end of the telescopic device 33 to extend. The telescopic device 33 drives the arc-shaped plate 31 to move away from the transmission shaft 26, reducing the volume between two adjacent blanking plates 27, decreasing the blanking speed of the ceramic glaze, and thus reducing the separation speed of magnetic impurities in the ceramic glaze, but it is beneficial to improve the separation effect of magnetic impurities in the ceramic glaze.

[0038] Preferably, an observation window 39 is arranged on the side wall of the separation box 1, which is convenient for observing the working conditions inside the equipment through the observation window 39.

[0039] Compared with the prior art, the present invention is provided with a separation box 1, a feed hopper 2, a "U"-shaped frame 3, a rotating shaft 4, a hollow roller 5, an "L"-shaped fixing plate 6, a fixed shaft 7, a semi-circular permanent magnet 8, a triangular flow splitter 9, an impurity outlet 10, a diversion groove 11, a glaze outlet 12 and a driving mechanism. The driving mechanism drives the hollow roller 5 to rotate slowly. The ceramic glaze powder falls from the feed hopper 2 onto the hollow roller 5. The semi-circular permanent magnet 8 adsorbs the magnetic impurities on the surface of the hollow roller 5 and rotates with the hollow roller 5. When the magnetic impurities rotate to the opposite side of the semi-circular permanent magnet 8, the magnetic impurities are separated from the hollow roller 5 under the action of gravity and are discharged from the impurity outlet 10 under the diversion of the triangular flow splitter 9 and the diversion groove 11. The ceramic glaze powder directly falls and is discharged from the glaze outlet 12, without stopping the machine to remove the magnetic impurities on the hollow roller 5, and has the ability to continuously separate magnetic impurities.

[0040] The above are only the preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, and improvements made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims

1. A magnetic impurity separation device for ceramic glaze processing, comprising a separation box (1), characterized in that: The upper end of the separation box (1) is provided with a feed hopper (2). An impurity removal mechanism is arranged inside the separation box (1). The impurity removal mechanism includes a "U"-shaped frame (3) located inside the separation box (1). Two rotating shafts (4) are oppositely arranged on two side walls of the "U"-shaped frame (3). A hollow roller (5) is arranged between the two rotating shafts (4). An "L"-shaped fixing plate (6) is arranged on one side wall of the "U"-shaped frame (3). A fixing shaft (7) penetrating through the rotating shaft (4) on the same side and extending into the inside of the hollow roller (5) is arranged on the "L"-shaped fixing plate (6). A semi-circular permanent magnet (8) located inside the hollow roller (5) is arranged on the fixing shaft (7). A triangular diversion block (9) is arranged directly below the hollow roller (5). An impurity outlet (10) is formed in the side wall of the separation box (1). A diversion groove (11) connected to the triangular diversion block (9) is arranged at the impurity outlet (10). A glaze outlet (12) connected to the triangular diversion block (9) is arranged on the bottom wall of the separation box (1). A driving mechanism for driving the hollow roller (5) to rotate slowly is arranged on the separation box (1).

2. The magnetic impurity separation device for ceramic glaze processing according to claim 1, wherein: The two sets of impurity removal mechanisms are arranged oppositely.

3. The magnetic impurity separation device for ceramic glaze processing according to claim 2, wherein: A slider (13) is arranged on the "U"-shaped frame (3) of the impurity removal mechanism on the right side. A chute (14) adapted to the slider (13) is arranged inside the separation box (1). A screw rod (15) rotatably connected to the side wall of the separation box (1) is rotatably connected to this set of "U"-shaped frame (3). The impurity removal mechanism on the left side is fixedly arranged inside the separation box (1).

4. The magnetic impurity separation device for ceramic glaze processing according to claim 3, wherein: The driving mechanism includes a driving part (16) arranged on the outer side wall of the separation box (1). A rotating shaft (17) fixedly connected to the output end of the driving part (16) is rotatably connected inside the separation box (1). A first driving bevel gear (18) is arranged on the left part of the rotating shaft (17). A first driven bevel gear (19) meshing with the first driving bevel gear (18) is arranged on the rotating shaft (4) of the impurity removal mechanism on the left side. A spline (22) is arranged on the right part of the rotating shaft (17). A bearing seat (20) is arranged on the "U"-shaped frame (3) of the impurity removal mechanism on the right side. A sleeve (21) is rotatably connected to the bearing seat (20). A spline groove (40) adapted to the spline (22) is formed inside the sleeve (21). A second driving bevel gear (23) is arranged on the sleeve (21). A second driven bevel gear (24) meshing with the second driving bevel gear (23) is arranged on the rotating shaft (4) on the right side.

5. The magnetic impurity separation device for ceramic glaze processing according to claim 4, wherein: The feed hopper (2) includes a blanking pipe (25) connected to the separation box (1). A transmission shaft (26) is rotatably connected inside the blanking pipe (25). A plurality of blanking plates (27) are annularly and arrayedly arranged on the transmission shaft (26).

6. The magnetic impurity separation device for ceramic glaze processing according to claim 6, characterized in that: The output end of the driving part (16) is provided with a driving pulley (34), the upper end of the separation box (1) is rotatably connected with a driven pulley (35), a belt (36) is transmission-connected between the driving pulley (34) and the driven pulley (35), a third driving bevel gear (37) is coaxially provided on the driven pulley (35), and a third driven bevel gear (38) meshing with the third driving bevel gear (37) is coaxially provided on the transmission shaft (26).

7. The magnetic impurity separation device for ceramic glaze processing according to claim 6, characterized in that: Guide grooves (28) are provided on both sides of each blanking plate (27), a guide block (29) is slidably connected inside the guide groove (28), an arc sleeve (30) is provided on the guide block (29), an arc plate (31) is slidably connected between two opposite arc sleeves (30), elastic parts (32) are provided between the two ends of the arc plate (31) and the two arc sleeves (30), and a telescopic device (33) is provided between the transmission shaft (26) and the arc plate (31).

8. The magnetic impurity separation device for ceramic glaze processing according to claim 1, characterized in that: An observation window (39) is provided on the side wall of the separation box (1).

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