Multifunctional boxed tobacco strip detection trolley

Abstract

A multifunctional boxed tobacco strip detection trolley comprises a trolley body, a box holding mechanism, an electric mechanical arm, a weighing mechanism, a control system and a flat plate. A box body is arranged above a chassis of the vehicle body, and a control system is arranged in the box body; the electric mechanical arm is arranged above the box body, the bottom of the electric mechanical arm is connected with the control system, and the other end extends out of the box body and is selectively connected with the sampling device, the punching insertion rod or the temperature measuring rod; the box holding mechanism is arranged on one side edge, close to the electric mechanical arm, of the box body; the weighing mechanism comprises a wireless separated platform scale and an independent panel, the platform scale is placed in the box body, and the independent panel is arranged above the box body and used for displaying weighing data; the panel is arranged at the top of the box; and the control system controls the electric mechanical arm to a position required by temperature measurement punching or sampling, and guides the punching and sampling device to punch at a central temperature measurement point or sample at quartering points. The invention provides a multifunctional boxed tobacco strip detection trolley which is small in occupied area, flexible to move and capable of realizing multi-item detection.

Description

Technical Field

[0001] This invention belongs to the field of testing technology in the tobacco manufacturing industry, specifically referring to a multi-functional boxed tobacco testing cart. Background Technology

[0002] In the tobacco manufacturing industry, tobacco leaf threshing and re-drying enterprises are mainly responsible for the threshing and re-drying processes. Their upstream processes include tobacco leaf planting, harvesting, and initial processing, while downstream processes include tobacco leaf fermentation, shredding, cigarette manufacturing, and sales. Threshing and re-drying are crucial steps in tobacco processing, directly affecting the quality of the tobacco leaves and the efficiency of subsequent processing.

[0003] Tobacco leaf re-drying enterprises need to conduct inspections at each stage of the storage of boxed tobacco leaves (after cooling, before shipment, and after warehousing). The main inspection items are weight, temperature, and moisture content, with at least approximately 60 boxes inspected daily. Each box of tobacco leaves has dimensions of 1136mm*720mm*725mm (length*width*height), a net weight of 200±0.5kg, and a density of approximately 337.3kg / m³. 3 .

[0004] Currently, most tobacco leaf re-drying enterprises adopt a purely manual testing method. The specific testing steps required by industry standards are as follows: Step 1. Weight test: A forklift is used to pick up tobacco leaf boxes one by one from the storage location and place them on an electronic scale for weighing. The inspector manually records the box number and weight to complete the weight test; Step 2. Temperature test: A hole about 500mm deep is drilled from the center of the front of the tobacco leaf box at coordinate A (586mm, 360mm). A probe thermometer is inserted to measure the temperature. After the temperature value stabilizes (about 5 minutes), the temperature value is manually recorded to complete the temperature test; Step 3. Moisture content test: The top layer of tobacco leaf, about 150mm to 200mm thick, is lifted from the tobacco box. Along the diagonal, 80-120g of moisture sample is taken at four equal division points, namely B1 (180mm, 284mm), B2 (360mm, 568mm), and B3 (540mm, 852mm), to complete the moisture sample collection.

[0005] The purely manual detection method has the following three shortcomings: First, manual detection has large deviations. On the one hand, the deviation of manual point setting is large. The average coordinates of manually set temperature measurement points are approximately (dx=557mm, dy=354mm), with an off-average deviation of approximately (dx=29mm, dy=6mm); the average coordinates of manually set sampling points are approximately (d1x=270mm, d1y=370mm), (d2x=335mm, d2y=550mm); (d3x=400mm, d3y=767mm); the off-average coordinates of manually set sampling points are approximately (d1x=90mm, d1y=86mm), (d2x=25mm, d2y=18mm), (d3x=140mm, d3y=85mm). On the other hand, the depth of manual temperature measurement is not fixed, and the depth of manual temperature measurement is approximately 430-500mm, which has a large degree of randomness. Secondly, the labor intensity is high. Each sample for moisture content testing requires two employees to work together to lift the top layer of tobacco flakes, which is about 150mm to 200mm thick and weighs about 41.4 to 55.2 kg. Thirdly, the recording work is tedious and handwriting errors are unavoidable. Employees need to manually record the tobacco box number, weight, temperature and moisture content before entering it into the quality inspection system.

[0006] Chinese invention patent 202110159871.8 (authorization announcement number CN112964392B) discloses a device and method for automatically detecting the markings of re-dried tobacco flakes and the temperature of the tobacco core based on visual recognition. This solution is only applicable to fixed scenarios and production lines, and is not suitable for inspection work involving stored tobacco flake boxes that require mobile operation. Furthermore, it has a single function, only capable of temperature measurement and cannot simultaneously perform other inspection items.

[0007] Chinese invention patent 202410222988.X discloses a device and method for detecting tobacco flakes entering a warehouse. It includes a conveying device and a control system. The conveying device has a loading station, a moisture measurement station, a weighing and temperature measurement station, and an unloading station arranged sequentially along the travel direction. Each station uses an independent track-mounted machine. The tobacco flake boxes are placed at the loading station of the conveying device and are sequentially conveyed to the moisture measurement station, the weighing and temperature measurement station, and after completing multiple tests, they reach the unloading station. This solution occupies a large area, is costly, and inflexible. Summary of the Invention

[0008] The technical problem to be solved by the present invention is to provide a multi-functional boxed tobacco product testing cart that has a small footprint, is flexible in movement, and can perform multi-item testing.

[0009] This invention is implemented as follows: A multi-functional boxed tobacco product testing cart includes: a cart body, a box-holding mechanism, an electric robotic arm, a weighing mechanism, a control system, and a flatbed. The vehicle body includes: a chassis, a battery, two drive motors, two drive wheels, two omnidirectional wheels, and a control lever; the two drive wheels and the two omnidirectional wheels are located below the chassis; a housing is located above the chassis, and a fixed bracket is located inside the housing; the battery and the two drive motors are fixed to the fixed bracket; the battery is connected to the two drive motors; each of the two drive motors is connected to one of the drive wheels; the control lever is located above the housing and is connected to the two drive motors for controlling the movement of the two drive wheels; the two drive motors are connected to the control system. The control system is installed on the fixed bracket inside the box; The electric robotic arm is located above the box, with its bottom connected to the control system and its other end extending out of the box to selectively connect to a sampling device, a punching rod, or a temperature measuring rod. The box-holding mechanism is located on one side of the box body near the electric robotic arm; The box-holding mechanism includes: a first guide rod, a second guide rod, a first motor, a double-wheel worm gear transmission mechanism, a first clamping plate, a second clamping plate, an anti-collision unit, and a laser rangefinder; the first guide rod and the second guide rod are arranged parallel to each other in the horizontal direction, and both ends are fixed to the two side walls of the box body respectively; the first clamping plate and the second clamping plate are located at the two ends of the first guide rod and the second guide rod respectively; each of the first clamping plate and the second clamping plate includes: a clamping plate body and an extension end; the clamping plate body extends out of the box body, and the extension end is connected to the first guide rod and the second guide rod respectively through a sleeve, and can slide on the first guide rod and the second guide rod; the motor is mounted on a fixed bracket inside the box body, the motor is connected to the double-wheel worm gear transmission mechanism, and the double-wheel worm gear transmission mechanism is located in the middle of the first guide rod and the second guide rod. The two ends of the double-wheel worm gear transmission mechanism are fixedly connected to the extended ends of the first clamping plate and the second clamping plate, respectively. The distance between the two ends of the double-wheel worm gear transmission mechanism is adjusted by the first motor, thereby adjusting the distance between the first clamping plate and the second clamping plate. The anti-collision unit includes: two parallel anti-collision beams disposed on the inner side wall of the box edge, respectively located above and below the extended ends of the first clamping plate and the second clamping plate. Two anti-collision limit switches are provided on the lower anti-collision beam. When the trolley moves in front of the smoke box, if the smoke box touches the anti-collision limit switch, the anti-collision limit switch will touch the drive motor of the trolley to cut off the power, causing the trolley to stop. The laser rangefinder is disposed on the side wall of the box behind the first clamping plate and is used to measure the travel distance of the first clamping plate. The motor and the laser rangefinder are connected to the control system. The weighing mechanism includes: a wireless detachable platform scale and an independent panel. The platform scale is placed inside the housing and can be taken out to the work area by opening the side door of the housing. The independent panel is located on the top of the housing and is used to display the weighing data. The flat plate is located on the top of the box body. The flat plate has a data processing system that calculates the corresponding compensation value through data processing algorithms and corrects the coordinate data of the center and four equal parts of the cigarette box. The flat plate is connected to the control system, which accurately locates the central hole for temperature measurement in the smoke box and the sampling positions at the four equal divisions. Based on the compensation coordinates calculated by the data processing system, the control system manipulates the electric robotic arm to the required position for temperature measurement, drilling, or sampling, guiding the drilling and sampling device to drill a hole at the central temperature measurement point or to sample at the four equal division points.

[0010] Furthermore, the box-holding mechanism also includes a pair of guide rail assemblies, which are respectively fixedly installed above the first clamping plate and the second clamping plate; each guide rail assembly includes: a second motor, a gear, and a guide rail. The second motor is fixedly installed above the first clamping plate or the second clamping plate. The second motor is connected to the gear. The guide rail is located above the gear. The bottom of the guide rail is provided with a rack that meshes with the gear. The gear rotates under the drive of the second motor, thereby driving the guide rail to perform telescopic movement. The guide rails on both sides extend out of the box of the trolley to clamp the strapping on the cigarette box so that it does not fall to the ground.

[0011] Furthermore, the top of the box is also provided with a sample ejection device, which includes a sample support mechanism and a push rod mechanism arranged in sequence. The push rod mechanism is connected to the control system, and the control system controls the push rod mechanism to push out the sample placed on the sample support mechanism.

[0012] Furthermore, a foot pedal for personnel to stand on is provided on the other side of the box body opposite to the box-holding mechanism.

[0013] Furthermore, a toolbox is provided on the side of the box.

[0014] The advantages of this invention are as follows: The multifunctional boxed tobacco leaf testing cart of this invention is compact, easy to move, and simple to operate. It can complete multiple tests, including weighing, moisture content sampling, and temperature measurement, and is safe and reliable. The design incorporates a box-holding mechanism to clamp the tobacco box, preventing the reaction force from the drilling during the sampling process from disrupting the cart's balance. The box-holding mechanism converts the reaction force into internal force, maintaining the downward pressure during drilling. Furthermore, it holds the tobacco box packaging straps in place, preventing them from slipping onto the ground and causing damage. This invention effectively meets the testing needs of re-drying enterprises for stored boxed tobacco leaves, achieving refined, standardized, and automated testing, reducing labor intensity, minimizing repetitive recording work, and offering low cost, thus possessing high promotional value. Attached Figure Description

[0015] The present invention will now be further described with reference to the accompanying drawings and embodiments.

[0016] Figure 1 This is a front-view stereoscopic diagram of the present invention.

[0017] Figure 2 This is a rear-view stereoscopic diagram of the present invention.

[0018] Figure 3 This is a schematic diagram of the box-holding mechanism in this invention.

[0019] Figure 4 yes Figure 3 Rear view.

[0020] Figure 5 yes Figure 3 A bottom view.

[0021] Figure 6 This is a schematic diagram of the usage state of the present invention.

[0022] Figure 7 yes Figure 2 Enlarged schematic diagram of part A. Detailed Implementation

[0023] like Figures 1 to 7 As shown, a multi-functional boxed tobacco testing cart includes: a cart body 100, a box-holding mechanism 200, an electric robotic arm 300, a weighing mechanism 400, a flatbed 500, and a control system (not shown).

[0024] The vehicle body 100 includes: a chassis 101, a battery 102, two drive motors 103, two drive wheels 104, two casters 105, and a control lever 106; the two drive wheels 104 and two casters 105 are located below the chassis 101; a housing 107 is located above the chassis 101, and a fixed bracket 108 is located inside the housing 107. The battery 102 and the two drive motors 103 are fixed to the fixed bracket 108. The battery 102 is connected to the two drive motors 103, and each of the two drive motors 103 is connected to one drive wheel 104. The control lever 106 is located above the housing 107 and is connected to the two drive motors 103 for controlling the movement of the two drive wheels 104; the two drive motors 103 are connected to a control system (the control system is located inside the vehicle body).

[0025] A control system is installed on the fixed bracket 108 inside the housing 107; The electric robotic arm 300 is located above the housing 107. Its bottom is connected to the control system, and its other end extends out of the housing 107 and can be selectively connected to a sampling device, a punching rod, or a temperature measuring rod. The box-holding mechanism 200 is located on one side of the box 107 near the electric robotic arm 300; The case-holding mechanism 200 includes: a first guide rod 201, a second guide rod 202, a first motor 203, a double-wheel worm gear transmission mechanism 204, a first clamping plate 205, a second clamping plate 206, an anti-collision unit 207, and a laser rangefinder 208; the first guide rod 201 and the second guide rod 202 are arranged parallel to each other in the horizontal direction, and both ends are fixed to the two side walls of the case 107 respectively; the first clamping plate 205 and the second clamping plate 206 are located at the two ends of the first guide rod 201 and the second guide rod 202 respectively; the first clamping plate 205 includes: a clamping plate body part 2051 and an extension end 205. 52; The second clamping piece 206 includes: a clamping piece body portion 2051 and an extension end portion 2062; the clamping piece body portions 2051 and 2061 extend out of the housing 107, and the extension ends 2052 and 2062 are connected to the first guide rod 201 and the second guide rod 202 respectively through sleeves 2053 and 2063, and can slide on the first guide rod 201 and the second guide rod 202; the motor 203 is mounted on a fixed bracket 108 inside the housing 107, and the first motor 203 is connected to a double-wheel worm gear transmission mechanism 204, which is located on the first guide rod 201. At the midpoint between the second guide rod 202, the two ends of the double-wheel worm gear transmission mechanism 204 are respectively fixedly connected to the extension ends 2052 and 2062 of the first clamping plate 205 and the second clamping plate 206. The distance between the two ends of the double-wheel worm gear transmission mechanism 204 is adjusted by the first motor 203, thereby adjusting the distance between the first clamping plate 205 and the second clamping plate 206; the anti-collision unit includes: two parallel anti-collision beams 2071 and 2072 disposed on the inner sidewall of the edge of the housing 107, respectively located at the extension ends 2052 and 2062 of the first clamping plate 205 and the second clamping plate 206. Above and below 2062, two anti-collision limit switches 2073 are provided on the lower anti-collision beam 2072; when the trolley moves in front of the smoke box, if the smoke box touches the anti-collision limit switch 2073, the anti-collision limit switch 2073 will touch the trolley drive motor 103 to cut off the power and stop the trolley; the laser rangefinder 208 is located on the side wall of the box 107 behind the first clamp 205 (or the second clamp 206) and is used to measure the walking distance of the first clamp 205 (or the second clamp 206); the first motor 203 and the laser rangefinder 208 are connected to the control system.

[0026] The box-holding mechanism 200 also includes a pair of guide rail assemblies, which are fixedly installed above the first clamping plate 205 and the second clamping plate 206 respectively. Each guide rail assembly 209 includes: a second motor 2091, a gear 2092, and a guide rail 2093. The second motor 2091 is fixedly installed above the first clamping plate 205 or the second clamping plate 206. The second motor 2091 is connected to the gear 2092. The guide rail 2093 is located above the gear 2092. The bottom of the guide rail 2093 is provided with a rack 2094, which meshes with the gear 2092. The gear 2092 rotates under the drive of the second motor 2091, thereby driving the guide rail 2093 to perform telescopic movement. The guide rails 2093 on both sides extend outward from the trolley box 107 to clamp the strapping straps on the cigarette box so that it does not fall to the ground.

[0027] The weighing mechanism 400 includes: a wireless detachable platform scale 401 and an independent panel 402. The platform scale 401 is placed inside the housing 107 and can be taken out to the work area by opening the side door of the housing 107. The independent panel 402 is located above the housing 107 and is used to display the weighing data.

[0028] The plate 500 is located on top of the casing 107. The plate 500 contains a data processing system that calculates corresponding compensation values ​​using a data processing algorithm to correct the center and quarter-division coordinate data of the tobacco box. The specific algorithm is as follows: We need to calculate the actual center coordinates, the actual 1 / 4 coordinates, and the actual 3 / 4 coordinates of the cigarette box. The actual dimensions of the cigarette box are: length * width = 1136mm * 720mm.

[0029] The theoretical center value of the smoke box is B2(B2X, B2Y) = (568 + initial distance of the laser rangefinder, Y = 360), and the x-axis deviation C = initial distance of the laser rangefinder - current distance of the laser rangefinder. The actual central value B3(B3X, B3Y) = ((B2X-C), 360). The actual 1 / 4 value B4(B4X, B4Y) = (284 + initial distance of laser rangefinder - C, 180). The actual 3 / 4 value B5 (B5X, B5Y) = (852 + initial distance of laser rangefinder - C, 540).

[0030] The 500-plate is connected to the control system, which accurately locates the central hole for temperature measurement in the smoke box and the sampling positions at the four equal divisions. Based on the compensation coordinates calculated by the data processing system, the electric robotic arm 300 is controlled to move to the required position for temperature measurement, drilling, or sampling, guiding the drilling and sampling device to drill a hole at the central temperature measurement point or to take samples at the four equal division points.

[0031] The top of the housing 107 is also provided with a sample ejection device 700, which includes a sample support mechanism 701 and a push rod mechanism 702 arranged in sequence. The push rod mechanism 702 is connected to the control system, and the control system controls the push rod mechanism 702 to push out the sample in the sample tube placed on the sample support mechanism 701.

[0032] On the other side of the box 107 opposite to the box-holding mechanism 200, there is a foot pedal 109 for personnel to stand on. The staff can stand on the foot pedal 109 and operate the trolley by using the lever 106.

[0033] A toolbox is provided on the side of the box 107. The side door can be opened to put tools such as temperature measuring rods, sampling devices, and drilling rods into the toolbox.

[0034] The following describes the working process of this invention for weighing, temperature measurement, and sampling tests: 1. Weighing: During weighing, open the side door of container 107, remove the platform scale 401 from container 107 to the work area, and use a forklift to place the cigarette box on the platform scale 401 for weighing. The cigarette box weighing data is displayed on an independent panel 402 and sent to the data processing system for display on a tablet 500. The data processing system collects the corresponding cigarette box weight data based on the cigarette box number, and also has functions such as querying, modifying, and exporting.

[0035] 2. Temperature measurement: A drilling rod is installed on the electric robotic arm 300. The cigarette box holding mechanism 200 clamps the cigarette box 600 placed on the ground through the first clamp 205 and the second clamp 206. Relevant positioning information is transmitted to the data processing system through the double-wheel worm gear transmission mechanism 204 and the laser rangefinder 208. The system scientifically calculates the coordinates of the compensation center position. Based on the compensation coordinates calculated by the data processing system, the control system accurately locates the coordinates of the temperature measuring center hole of the cigarette box. The operator operates on the flat plate 500, and the control system controls the electric robotic arm 300 to drill a hole at the temperature measuring center hole. After drilling, the drilling rod is removed and replaced with a temperature measuring rod. The temperature measuring rod is inserted into the temperature measuring center hole to measure the temperature. The data processing system collects the corresponding cigarette box temperature data based on the cigarette box number as an index.

[0036] 3. Sampling (for moisture content measurement): The temperature measuring rod on the electric robotic arm 300 is removed and replaced with a sampling device. The operator operates on the flat plate 500. Based on the compensation coordinates calculated by the data processing system, the control system accurately locates the coordinates of the four equal divisions. The control system then controls the electric robotic arm 300 to drill and sample at the four equal divisions.

[0037] After sampling, the sample tube is placed on the sample support mechanism 701 of the sample ejection device 700. The staff operates on the plate 500, and the control system controls the push rod mechanism 702 to push the sample out of the sample tube. The staff puts the sample after ejection into the sampling bottle, seals it, and sends it to the moisture content testing department. After the moisture content is tested, it is entered into the quality inspection system.

[0038] The above embodiments and figures are not intended to limit the product form and style of the present invention. Any appropriate changes or modifications made by those skilled in the art should be considered as not departing from the patent scope of the present invention.

Claims

1. A multi-functional boxed tobacco product testing cart, characterized in that: include: Vehicle body, box-carrying mechanism, electric robotic arm, weighing mechanism, control system, and flatbed; The vehicle body includes: a chassis, a battery, two drive motors, two drive wheels, two omnidirectional wheels, and a control lever; the two drive wheels and the two omnidirectional wheels are located below the chassis; a housing is located above the chassis, and a fixed bracket is located inside the housing; the battery and the two drive motors are fixed to the fixed bracket; the battery is connected to the two drive motors; each of the two drive motors is connected to one of the drive wheels; the control lever is located above the housing and is connected to the two drive motors for controlling the movement of the two drive wheels; the two drive motors are connected to the control system. The control system is installed on the fixed bracket inside the box; The electric robotic arm is located above the box, with its bottom connected to the control system and its other end extending out of the box to selectively connect to a sampling device, a punching rod, or a temperature measuring rod. The box-holding mechanism is located on one side of the box body near the electric robotic arm; The box-holding mechanism includes: a first guide rod, a second guide rod, a first motor, a double-wheel worm gear transmission mechanism, a first clamping plate, a second clamping plate, an anti-collision unit, and a laser rangefinder; the first guide rod and the second guide rod are arranged parallel to each other in the horizontal direction, and both ends are fixed to the two side walls of the box body respectively; the first clamping plate and the second clamping plate are located at the two ends of the first guide rod and the second guide rod respectively; each of the first clamping plate and the second clamping plate includes: a clamping plate body and an extension end; the clamping plate body extends out of the box body, and the extension end is connected to the first guide rod and the second guide rod respectively through a sleeve, and can slide on the first guide rod and the second guide rod; the motor is mounted on a fixed bracket inside the box body, the motor is connected to the double-wheel worm gear transmission mechanism, and the double-wheel worm gear transmission mechanism is located in the middle of the first guide rod and the second guide rod. The two ends of the double-wheel worm gear transmission mechanism are fixedly connected to the extended ends of the first clamping plate and the second clamping plate, respectively. The distance between the two ends of the double-wheel worm gear transmission mechanism is adjusted by the first motor, thereby adjusting the distance between the first clamping plate and the second clamping plate. The anti-collision unit includes: two parallel anti-collision beams disposed on the inner side wall of the box edge, respectively located above and below the extended ends of the first clamping plate and the second clamping plate. Two anti-collision limit switches are provided on the lower anti-collision beam. When the trolley moves in front of the smoke box, if the smoke box touches the anti-collision limit switch, the anti-collision limit switch will touch the drive motor of the trolley to cut off the power, causing the trolley to stop. The laser rangefinder is disposed on the side wall of the box behind the first clamping plate and is used to measure the travel distance of the first clamping plate. The motor and the laser rangefinder are connected to the control system. The weighing mechanism includes: a wireless detachable platform scale and an independent panel. The platform scale is placed inside the housing and can be taken out to the work area by opening the side door of the housing. The independent panel is located on the top of the housing and is used to display the weighing data. The flat plate is located on the top of the box body. The flat plate has a data processing system that calculates the corresponding compensation value through data processing algorithms and corrects the coordinate data of the center and four equal parts of the cigarette box. The flat plate is connected to the control system, which accurately locates the central hole for temperature measurement in the smoke box and the sampling positions at the four equal divisions. Based on the compensation coordinates calculated by the data processing system, the control system manipulates the electric robotic arm to the required position for temperature measurement, drilling, or sampling, guiding the drilling and sampling device to drill a hole at the central temperature measurement point or to sample at the four equal division points.

2. The multifunctional boxed tobacco product testing cart as described in claim 1, characterized in that: The box-holding mechanism further includes a pair of guide rail assemblies, which are respectively fixedly installed above the first clamping piece and the second clamping piece; Each guide rail assembly includes: a second motor, a gear, and a guide rail. The second motor is fixedly installed above the first clamp or the second clamp. The second motor is connected to the gear. The guide rail is located above the gear. The bottom of the guide rail is provided with a rack that meshes with the gear. The gear rotates under the drive of the second motor, thereby driving the guide rail to perform telescopic movement. The guide rails on both sides extend out of the box of the trolley to clamp the strapping on the cigarette box so that it does not fall to the ground.

3. The multifunctional boxed tobacco leaf detection cart as described in claim 1, characterized in that: The top of the box is also provided with a sample ejection device, which includes a sample support mechanism and a push rod mechanism arranged in sequence. The push rod mechanism is connected to the control system, and the control system controls the push rod mechanism to push out the sample placed on the sample support mechanism.

4. The multi-functional boxed tobacco product testing cart as described in claim 1, characterized in that: On the other side of the box body opposite to the box-holding mechanism, there is a foot pedal for people to stand on.

5. The multifunctional boxed tobacco leaf detection cart as described in claim 1, characterized in that: A toolbox is provided on the side of the box.

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