A digital transmission fixing and collecting device for finished clothes

Abstract

The application discloses a finished clothes digital conveying, fixing and collecting device and relates to the technical field of finished clothes processing. The device comprises a box body, a folding module and a collecting module are arranged in the box body, a cover plate is hingedly arranged at the upper end of the box body, an observation window is arranged in the cover plate, a control case is arranged on one side of the box body, illuminating lamps are arranged on the inner wall and the right end of the box body, the folding module comprises a support, driving rollers and transmission rollers are rotatably connected to the support, and an oscillating motor is arranged on the middle part of the support. The finished clothes after folding are collected through the collecting module, the finished clothes are stacked through the lifting of the tray driven by the lifting motor, the baling belt used for the storage, bundling and fixing of the material disc is arranged below the tray, the baling belt after bundling is cut through the cooperation of the cutting knife, the operation steps required for manually stacking the finished clothes and bundling are reduced, and the manual labor required for collecting the finished clothes is reduced.

Description

Technical Field

[0001] This invention relates to the field of finished garment processing technology, specifically to a digital conveying and fixed collection device for finished garments. Background Technology

[0002] Ready-made clothing refers to garments produced in batches according to certain specifications and size standards. It is a concept that emerged in contrast to bespoke or self-made clothing. As an industrial product, ready-made clothing conforms to the economic principles of mass production, with mechanized production, standardized product series, quality standardization, and uniform packaging.

[0003] In existing technologies, finished garments need to be folded and packaged after processing. This often requires manual labor at the end of the conveyor belt to collect, fold, stack, and bundle the finished garments. This often requires multiple people to unload the materials on the same production line, resulting in high labor costs. Summary of the Invention

[0004] This invention provides a digital conveying and fixed collection device for finished garments to solve the problems in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a digital conveying and fixed collection device for finished garments, comprising a box, wherein a folding module and a collection module are provided inside the box;

[0006] The upper end of the housing is hinged with a cover plate, and an observation window is provided in the cover plate. A control box is provided on one side of the housing. The folding module includes a bracket, on which a drive roller and a transmission roller are rotatably connected. A swing motor is mounted in the middle of the bracket, and a swing rod is driven to the output end of the swing motor. A counterweight is provided at one end of the swing rod, and a linear motor is provided inside the swing rod. A movable roller is provided at the movable end of the linear motor. A conveyor belt covers the outside of the bracket. A hanging bracket is provided at the bottom of the collection module, and the side of the hanging bracket is provided with... A fixed frame is provided, with a material tray attached to the top of the fixed frame. A cutting scissors are provided on the side of the material tray. A lifting motor is provided at the top of the lifting frame, and a winch is provided at the output end of the lifting motor. A traction rope is wound on the winch. A tray is slidably connected to the inside of the lifting frame. The lifting motor is a dual-axis motor, and a winch is connected to each of the two axes of the lifting motor. Two trays are provided, and a gap is provided between the two trays. The width of the gap is greater than the width of the strapping. An inclined plate is fixedly connected to the adjacent sides of the two trays, and the inclined plate is located below the tray.

[0007] The drive roller houses a hub motor, whose central shaft is connected to the support frame. The drive roller is positioned at both ends of the support frame. Four transmission rollers are provided, with the first transmission roller located at the left end of the support frame, and the second, third, and fourth transmission rollers arranged in a triangle in the middle of the support frame. The conveyor belt is connected to the outside of the drive roller and the transmission rollers. When the drive roller is working, it is driven by the hub motor, which drives the conveyor belt. The transmission rollers guide the conveyor belt. The second, third, and fourth transmission rollers cooperate to form a curved surface in the middle of the folding module to accommodate the movable roller. When the middle of the finished garment is on the movable roller, the conveyor belt stops, the swing arm swings counterclockwise, and the linear motor drives the movable roller to move closer to the swing axis of the swing arm. When the swing arm is in a vertical state, the linear motor runs in the opposite direction, causing the movable roller to move to the left while adhering to the conveyor belt, thereby folding the finished garment in half.

[0008] Furthermore, the cover plate is positioned directly opposite the folding module, the left end of the bracket extends to the outside of the box, and the collection module is positioned at the right end of the box and connected to the right end of the folding module.

[0009] Furthermore, the swing rods are symmetrically arranged on the front and rear sides of the folding module. A drive motor is installed inside the movable roller. The central shaft of the drive motor extends to both sides of the movable roller and is connected to the movable ends of the linear motors on the two swing rods respectively. Rubber paddles are evenly arranged on the surface of the movable roller. The rubber paddles are inclined on the surface of the movable roller and arranged clockwise. The first transmission roller is located on the swing path of the movable roller.

[0010] Furthermore, connecting blocks are rotatably connected to both ends of the material tray, and the fixing frame has slots that are compatible with the connecting blocks. The material tray is wrapped with strapping, and the cutting scissors are rotatably connected to the pad. The pad is placed between the hanger and the fixing frame.

[0011] Furthermore, the lifting motor is a dual-axis motor, and a winch is connected to each of the two axes of the lifting motor. There are two trays, and a gap is provided between the two trays. The width of the gap is greater than the width of the strapping. An inclined plate is fixedly connected to the adjacent sides of the two trays. The inclined plate is located below the trays. The two trays are on the same straight line and are inclined. The lower tray has a protruding ridge at its lower end. Cardboard is overlapped on the top of the two trays.

[0012] Furthermore, two sliding rods are respectively provided on both sides of the hanger, and each end of the tray is slidably connected to one sliding rod, and the cross-section of the sliding rod is rectangular.

[0013] Furthermore, the control box is based on a PLC controller and is electrically connected to the lighting, drive roller, swing motor, linear motor, movable roller and lifting motor. The front of the control box is equipped with a button group and a display screen. The button group includes an on / off switch and numeric keys. The control box contains a timer.

[0014] Compared with the prior art, the present invention provides a digital conveying and fixed collection device for finished garments, which has the following beneficial effects:

[0015] 1. This finished garment digital conveying and fixed collection device connects a folding module to the finished garment conveyor belt. During the transfer of finished garments sent out by the conveyor belt, the swing rod drives the movable roller to swing periodically, folding the finished garments on the conveyor belt and sending them out. The working cycle of the folding module is adjusted by the control box, so that the folding module can be adjusted according to the size and type of finished garments, adapting to the needs of finished garment conveying and collection, and reducing the manual requirements in the folding process.

[0016] 2. This digital conveying and collection device for finished garments collects folded finished garments by setting up a collection module. A lifting motor drives the tray to lift and fold the delivered finished garments. A material tray is set under the tray to store the binding straps for binding and fixing. With the help of cutting scissors, the binding straps are cut, reducing the number of manual steps required for folding and binding finished garments, and further reducing the manual labor required for collecting finished garments. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of a digital conveying, fixing, and collecting device for finished garments according to the present invention;

[0018] Figure 2 This is a schematic diagram of the folding module structure of a digital conveying and fixing collection device for finished garments according to the present invention;

[0019] Figure 3 This is a cross-sectional view of the movable roller of a digital conveying and fixed collection device for finished garments according to the present invention;

[0020] Figure 4 This is a schematic diagram of the collection module structure of a digital conveying and fixing collection device for finished garments according to the present invention;

[0021] Figure 5 This invention relates to a digital conveying and fixing collection device for finished garments. Figure 4 Enlarged view of part A in the middle.

[0022] In the diagram: 1. Box body; 11. Cover plate; 12. Observation window; 13. Control box; 14. Lighting lamp; 2. Folding module; 21. Bracket; 22. Drive roller; 23. Transmission roller; 24. Swing motor; 25. Swing rod; 26. Counterweight; 27. Linear motor; 28. Movable roller; 2801. Drive motor; 2802. Rubber paddle; 29. ​​Conveyor belt; 3. Collection module; 31. Hanger; 3101. Slide rod; 32. Fixing frame; 33. Material tray; 3301. Connecting block; 3302. Card slot; 3303. Bundling strap; 34. Cutting shears; 3401. Pad; 35. Lifting motor; 36. Winch; 37. Traction rope; 38. Pallet; 3801. Inclined plate; 3802. Protruding ridge; 3803. Cardboard. Detailed Implementation

[0023] To provide a more detailed understanding of the features and technical content of the embodiments of this disclosure, the implementation of the embodiments of this disclosure will be described in detail below with reference to the accompanying drawings. The accompanying drawings are for illustrative purposes only and are not intended to limit the embodiments of this disclosure. In the following technical description, for ease of explanation, several details are used to provide a full understanding of the disclosed embodiments. However, one or more embodiments may still be implemented without these details. In other cases, well-known structures and devices may be simplified in their depiction to simplify the drawings.

[0024] The terms "first," "second," etc., used in the specification, claims, and accompanying drawings of this disclosure are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate for the purposes of describing embodiments of this disclosure herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion.

[0025] In the embodiments of this disclosure, the terms "upper," "lower," "inner," "middle," "outer," "front," and "rear," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. These terms are primarily for better describing the embodiments of this disclosure and are not intended to limit the indicated device, element, or component to having a specific orientation, or to be constructed and operated in a specific orientation. Furthermore, some of the aforementioned terms may be used to indicate other meanings besides orientation or positional relationship; for example, the term "upper" may in some cases indicate a dependency or connection relationship. Those skilled in the art can understand the specific meaning of these terms in the embodiments of this disclosure according to the specific circumstances.

[0026] Furthermore, the terms "set up," "connect," and "fix" should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, components, or parts. Those skilled in the art can understand the specific meaning of the above terms in the embodiments of this disclosure according to the specific circumstances.

[0027] Unless otherwise stated, the term "multiple" means two or more.

[0028] It should be noted that, unless otherwise specified, the embodiments and features described in the present disclosure can be combined with each other.

[0029] Please see Figure 1-5This invention discloses a digital conveying, fixing, and collecting device for finished garments, comprising a housing 1, inside which are arranged a folding module 2 and a collecting module 3; a cover plate 11 is hinged to the upper end of the housing 1, and an observation window 12 is provided in the cover plate 11; a control box 13 is provided on one side of the housing 1; the folding module 2 includes a bracket 21, on which a drive roller 22 and a transmission roller 23 are rotatably connected; a swing motor 24 is mounted in the middle of the bracket 21, and the output end of the swing motor 24 drives... A swing arm 25 is connected, with a counterweight 26 at one end. A linear motor 27 is located inside the swing arm 25, and a movable roller 28 is located at the movable end of the linear motor 27. A conveyor belt 29 covers the outside of the support frame 21. A hanger 31 is located at the bottom of the collection module 3, and a fixing frame 32 is located on the side of the hanger 31. A material tray 33 is attached to the top of the fixing frame 32, and a cutter 34 is located on the side of the material tray 33. A lifting motor 35 is located at the top of the hanger 31. The output end of the lifting motor 35 is equipped with a winch 36, on which a traction rope 37 is wound. A tray 38 is slidably connected to the inner side of the hanger 31. By setting a folding module 2 to connect with the finished garment conveyor belt, during the transfer of finished garments sent out by the conveyor belt, the swing rod 25 drives the movable roller 28 to swing periodically, folding and sending out the finished garments on the conveyor belt 29. The working cycle of the folding module 2 is adjusted by the control box 13, so that the folding module 2 can be adjusted according to the size and type of finished garments, adapting to the needs of finished garment conveying and collection, and reducing the manual requirements in the folding process. A collection module 3 is set to collect the folded finished garments. The lifting motor 35 drives the tray 38 to lift and fold the sent finished garments. A material tray 33 is set under the tray 38 to store the binding straps 3303 for binding and fixing. The binding straps 3303 are cut with the cutter 34, reducing the operation steps required for manually folding and binding finished garments, and further reducing the manual requirements for finished garment collection.

[0030] Specifically, the cover plate 11 is positioned directly opposite the folding module 2, the left end of the bracket 21 extends to the outside of the box 1, and the collection module 3 is positioned at the right end of the box 1 and connected to the right end of the folding module 2.

[0031] In this implementation scheme, the left side of the box 1 is the input end. The finished garment is fed in through the left end of the folding module 2, folded inside the box 1, and then sent out through the collection module 3. The box 1 and the cover plate 11 are set to shield the folding module 2.

[0032] Specifically, a hub motor is installed inside the drive roller 22, and the central shaft of the hub motor is connected to the bracket 21. The drive roller 22 is located at the left and right ends of the bracket 21. There are four transmission rollers 23, of which the first transmission roller is located at the left end of the bracket 21, and the second, third and fourth transmission rollers are arranged in a triangle in the middle of the bracket 21. The conveyor belt 29 is connected to the outside of the drive roller 22 and the transmission rollers 23.

[0033] In this embodiment, the drive roller 22 is driven by a hub motor to drive the conveyor belt 29 when it is working, and the transmission roller 23 guides the conveyor belt 29. The second, third and fourth transmission rollers cooperate with each other to form a curved surface in the middle of the folding module 2 to accommodate the movable roller 28.

[0034] Specifically, the swing rods 25 are symmetrically arranged on the front and rear sides of the folding module 2. The drive motor 2801 is installed inside the movable roller 28. The central shaft of the drive motor 2801 extends to both sides of the movable roller 28 and is connected to the movable ends of the linear motors 27 on the two swing rods 25 respectively. Rubber paddles 2802 are evenly arranged on the surface of the movable roller 28. The rubber paddles 2802 are inclined on the surface of the movable roller 28 and arranged clockwise. The first transmission roller is located on the swing path of the movable roller 28.

[0035] In this embodiment, when the drive motor 2801 is working, it drives the movable roller 28 to rotate. The linear motor 27 drives the movable roller 28 to slide on the swing rod 25. When the swing motor 24 is working, it drives the swing rod 25 to swing. In the initial state, the movable roller 28 is in the curved surface of the conveyor belt 29. When the finished garment is conveyed on the conveyor belt 29, the drive motor 2801 rotates forward, and the movable roller 28 rotates clockwise. The movable roller 28, in conjunction with the rubber paddle 2802, conveys the finished garment to the other side of the curved surface. When the middle part of the garment is on the movable roller 28, the conveyor belt 29 stops, the swing rod 25 swings counterclockwise, and at the same time the linear motor 27 drives the movable roller 28 to move closer to the swing axis of the swing rod 25. When the swing rod 25 is in a vertical state, the linear motor 27 runs in the opposite direction, which causes the movable roller 28 to move to the left while adhering to the conveyor belt 29, thereby folding the finished garment in half. Then the swing rod 25 swings clockwise, driving the movable roller 28 to reset. Then the conveyor belt 29 starts running again, and the movable roller 28 continues to rotate in the same direction, sending out the folded finished garment.

[0036] Specifically, the material tray 33 is rotatably connected to both ends of the material tray 33, the fixing frame 32 is provided with a slot 3302 that matches the connecting block 3301, the material tray 33 is wrapped with a strapping strap 3303, the cutting scissors 34 is rotatably connected to the pad 3401, and the pad 3401 is set between the hanger 31 and the fixing frame 32.

[0037] In this embodiment, the material tray 33 serves to store the binding strap 3303. The material tray 33 is mounted above the fixed frame 32 via the connecting block 3301. The binding strap 3303 passes through the gap between the cutting scissors 34 and the pad 3401 and is stretched to the other end of the collection module 3 for use in binding finished garments. After binding, the binding strap 3303 is cut by the cutting scissors 34.

[0038] Specifically, the lifting motor 35 is a dual-axis motor, and each of the two axes of the lifting motor 35 is connected to a winch 36. There are two trays 38, and a gap is provided between the two trays 38. The width of the gap is greater than the width of the strapping 3303. An inclined plate 3801 is fixedly connected to the adjacent sides of the two trays 38. The inclined plate 3801 is located below the trays 38. The two trays 38 are on the same straight line and are inclined. The lower tray 38 has a protruding rib 3802 at its lower end. A cardboard 3803 is attached to the top of the two trays 38.

[0039] In this embodiment, when the device outputs, the finished garments are stacked on top of the cardboard 3803. After a certain number of finished garments are stacked, the strapping 3303 is pulled through the gap between the two trays 38 and wrapped around them, thereby binding the finished garments together with the cardboard 3803.

[0040] Specifically, two sliding rods 3101 are respectively provided on both sides of the hanger 31, and each tray 38 is slidably connected to one sliding rod 3101 at both ends. The sliding rod 3101 has a rectangular cross-section.

[0041] In this embodiment, the two sliding rods 3101 provided on the hanger 31 play a directional role in the sliding of the tray 38, preventing the tray 38 from tilting to the side.

[0042] Specifically, the control box 13 is based on a PLC controller. The control box 13 is electrically connected to the lighting lamp 14, drive roller 22, swing motor 24, linear motor 27, movable roller 28 and lifting motor 35. The front of the control box 13 is provided with a button group and a display screen. The button group includes an on / off switch and numeric keys. The control box 13 contains a timer.

[0043] In this embodiment, the control box 13 controls the entire device. Through the cooperation of the button group and the display screen, the working cycle of the drive roller 22, the swing motor 24, the linear motor 27, the movable roller 28 and the lifting motor 35 is set, so that the operating status of the device can be adjusted according to the size of the finished garment.

[0044] In operation, drive roller 22 drives conveyor belt 29. Finished garments are fed from the left end of box 1 to above conveyor belt 29. As conveyor belt 29 moves, the folded part of the finished garment is above movable roller 28. Conveyor belt 29 pauses, swing motor 24 drives swing rod 25 to swing, and linear motor 27 runs, driving movable roller 28 to run against conveyor belt 29, thus folding the finished garment. After folding, movable roller 28 returns to its original position, and conveyor belt 29 restarts, conveying the folded finished garment to above cardboard 3803 on tray 38. Then, lifting motor 35 runs, releasing a section of traction. Rope 37 and tray 38 move downwards under gravity. The next finished garment repeats the above steps and is then conveyed above the previous finished garment, so that the folded finished garment is stacked on top of cardboard 3803. After a certain number of finished garments are stacked, the device stops operating. The operator pulls the strapping 3303, which passes through the gap between the inclined plates 3801 and wraps around the stacked clothes and cardboard 3803 to tie them. After tying, the cutting scissors 34 are pressed to cut the strapping 3303. The tied clothes are then removed, and a new cardboard 3803 is placed on tray 38. The lifting motor 35 reverses, causing tray 38 to return to its original position.

[0045] In summary, this finished garment digital conveying and fixed collection device, by setting up a folding module 2 connected to the finished garment conveyor belt, during the transfer of finished garments sent out by the conveyor belt, the swing rod 25 drives the movable roller 28 to swing periodically, folding the finished garments on the conveyor belt 29 and sending them out. The working cycle of the folding module 2 is adjusted by the control box 13, so that the folding module 2 can be adjusted according to the changes in the size and type of finished garments, adapting to the needs of finished garment conveying and collection, and reducing the manual requirements in the folding process.

[0046] The collection module 3 collects the folded finished garments, and the lifting motor 35 drives the tray 38 to lift and fold the delivered finished garments. A material tray 33 is set under the tray 38 to store the binding straps 3303 for binding and fixing. The binding straps 3303 are cut with the cutting scissors 34 after binding, reducing the number of manual steps required for folding and binding the finished garments, and further reducing the manual labor required for collecting finished garments.

[0047] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A digital conveying and fixed collection device for finished garments, comprising a housing (1), characterized in that: The box (1) is equipped with a folding module (2) and a collection module (3). The upper end of the box (1) is hinged with a cover plate (11), and an observation window (12) is provided in the cover plate (11). A control box (13) is provided on one side of the box (1). The folding module (2) includes a bracket (21), and a drive roller (22) and a transmission roller (23) are rotatably connected on the bracket (21). A swing motor (24) is mounted in the middle of the bracket (21), and a swing rod (25) is driven to the output end of the swing motor (24). A counterweight (26) is provided at one end of the swing rod (25). A linear motor (27) is provided on the inner side of the swing rod (25), and a movable roller (28) is provided at the movable end of the linear motor (27). A conveyor belt (29) is covered on the outside of the bracket (21). A hanger (31) is provided at the bottom of the collection module (3), and the side of the hanger (31) is... A fixed frame (32) is provided, with a material tray (33) overlapping the top of the fixed frame (32). A cutting scissors (34) is provided on the side of the material tray (33). A lifting motor (35) is provided on the top of the hanging frame (31). A winch (36) is provided at the output end of the lifting motor (35). A traction rope (37) is wound on the winch (36). A tray (38) is slidably connected to the inside of the hanging frame (31). The lifting motor (35) is a dual-axis motor. A winch (36) is connected to both axes of the lifting motor (35). There are two trays (38). A gap is provided between the two trays (38). The width of the gap is greater than the width of the strapping (3303). An inclined plate (3801) is fixedly connected to the adjacent sides of the two trays (38). The inclined plate (3801) is located below the tray (38). The drive roller (22) is equipped with a hub motor inside. The central shaft of the hub motor is connected to the bracket (21). The drive roller (22) is located at both ends of the bracket (21). There are four transmission rollers (23), with the first transmission roller located at the left end of the bracket (21), and the second, third, and fourth transmission rollers arranged in a triangle in the middle of the bracket (21). The conveyor belt (29) is connected to the outside of the drive roller (22) and the transmission rollers (23). When the drive roller (22) is working, it is driven by the hub motor, which drives the conveyor belt (29). The transmission rollers (23) drive the conveyor belt (29). The conveyor belt (29) serves as a guide, and the second, third and fourth drive rollers cooperate to form a curved surface in the middle of the folding module (2) to accommodate the movable roller (28). When the middle of the finished garment is on the movable roller (28), the conveyor belt (29) stops, the swing rod (25) swings counterclockwise, and at the same time the linear motor (27) drives the movable roller (28) to move closer to the swing axis of the swing rod (25). When the swing rod (25) is in a vertical state, the linear motor (27) runs in the opposite direction, which causes the movable roller (28) to move to the left while adhering to the conveyor belt (29), thereby folding the finished garment in half.

2. The finished garment digital conveying and fixing collection device according to claim 1, characterized in that: The cover plate (11) is positioned opposite the folding module (2), the left end of the bracket (21) extends to the outside of the box (1), and the collection module (3) is positioned at the right end of the box (1) and connected to the right end of the folding module (2).

3. The finished garment digital conveying and fixing collection device according to claim 1, characterized in that: The swing rods (25) are symmetrically arranged on the front and rear sides of the folding module (2). The drive motor (2801) is installed inside the movable roller (28). The central shaft of the drive motor (2801) extends to both sides of the movable roller (28) and is connected to the movable ends of the linear motors (27) on the two swing rods (25).

4. The finished garment digital conveying and fixing collection device according to claim 3, characterized in that: The surface of the movable roller (28) is uniformly provided with rubber paddles (2802), the rubber paddles (2802) are inclined on the surface of the movable roller (28) and arranged clockwise, and the first transmission roller is located on the swing path of the movable roller (28).

5. The finished garment digital conveying and fixing collection device according to claim 4, characterized in that: The material tray (33) is rotatably connected to both ends of the connecting block (3301), and the fixing frame (32) is provided with a slot (3302) that matches the connecting block (3301). The material tray (33) is wrapped with a strapping tape (3303), and the cutting shears (34) are rotatably connected to the pad (3401). The pad (3401) is located between the hanger (31) and the fixing frame (32).

6. The finished garment digital conveying and fixing collection device according to claim 5, characterized in that: The two trays (38) are on the same straight line and are inclined, wherein the lower tray (38) has a protruding rib (3802) at the lower end, and cardboard (3803) overlaps the top of the two trays (38).

7. The finished garment digital conveying and fixing collection device according to claim 6, characterized in that: Two sliding rods (3101) are respectively provided on both sides of the hanger (31), and each tray (38) is slidably connected to one sliding rod (3101) at both ends. The sliding rod (3101) has a rectangular cross-section.

8. The finished garment digital conveying and fixing collection device according to claim 1, characterized in that: The control box (13) is based on a PLC controller. The control box (13) is electrically connected to the lighting lamp (14), drive roller (22), swing motor (24), linear motor (27), movable roller (28) and lifting motor (35). The front of the control box (13) is provided with a button group and a display screen. The button group includes an on / off switch and numeric keys. The control box (13) contains a timer.

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