Drying equipment capable of preventing cotton swabs from falling

Abstract

The utility model discloses drying equipment capable of preventing cotton swabs from falling, which comprises an L-shaped support plate, a U-shaped baffle is fixedly connected to the inner wall of the bottom of the L-shaped support plate, a PLC (programmable logic controller) is fixedly mounted at the top of the U-shaped baffle, and a conveying belt component positioned in the U-shaped baffle is mounted on the inner wall of the bottom of the L-shaped support plate. A plurality of first reflecting pieces are fixedly connected to the outer side of the conveying belt assembly at equal intervals, two sets of limiting rods are arranged between every two adjacent first reflecting pieces, and each set of limiting rods comprises two limiting rods which are fixedly connected with the outer side of the conveying belt assembly. By arranging a series of structures, cotton swabs can be conveniently, continuously and automatically subjected to integrated stable anti-falling drying treatment, the phenomenon that the cotton swabs move out and fall off due to vibration or blowing force is avoided, the shielding height of the U-shaped plate to the top of the cotton swab storage box can be accurately and flexibly adjusted when the high cotton swab storage box is replaced, the application range is widened, and the practicability is high. And convenience is further provided for drying work.

Description

TECHNICAL FIELD

[0001] The utility model relates to drying equipment technical field, concretely is a kind of drying equipment that can avoid cotton swab drop. BACKGROUND

[0002] Medical cotton swab is composed of medical absorbent cotton and bamboo stick, and is a tool for applying medicine or disinfectant during skin or wound disinfection treatment. It is dipped in disinfectant, and medical cotton swab generally directly contacts patient's wound, so high requirements are required for sterilization link. After production, the product is suitable for using cotton swab during clinical disinfection, and needs to be dried by flow line. Generally, the whole box of cotton swabs is placed on the flow line for drying. The following problems exist during use:

[0003] When drying the whole box of cotton swabs on the flow line, due to factors such as shaking of the flow line or blowing of hot air for drying, the cotton swabs are inevitably shaken or blown out of the box and fall outwards. The cotton swabs cannot be automatically prevented from falling out stably during drying on the flow line. In view of this, the present application provides a drying equipment that can prevent cotton swabs from falling out to solve the above problems. SUMMARY

[0004] The utility model aims at providing a drying equipment that can prevent cotton swabs from falling out to solve the problems raised in the background.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a drying equipment that can prevent cotton swabs from falling out, comprising an L-shaped support plate, a U-shaped baffle is fixedly connected to the inner wall of the bottom of the L-shaped support plate, a PLC controller is fixedly installed at the top of the U-shaped baffle, a conveying belt assembly is installed on the inner wall of the bottom of the L-shaped support plate and located in the U-shaped baffle, a plurality of first reflecting sheets are fixedly connected to the outer side of the conveying belt assembly at equal intervals, two groups of limiting rods are arranged between every two adjacent first reflecting sheets, each group of limiting rods comprises two limiting rods and is fixedly connected to the outer side of the conveying belt assembly, a cotton swab storage box is movably clamped between the two limiting rods of the same group at the upper part, a U-shaped plate is in sliding contact between the front and rear inner walls of the U-shaped baffle, an infrared sensor that cooperates with the first reflecting sheet is embedded and fixed to the middle of the bottom of the U-shaped plate, the infrared sensor and the conveying belt assembly are electrically connected to the PLC controller, the conveying belt assembly is used for conveying and stopping conveying work of the cotton swab storage box and the first reflecting sheet under the control of the PLC controller, and the infrared sensor is used for transmitting an on-off signal to the PLC controller when detecting an infrared reflection signal from the first reflecting sheet, so as to control the conveying belt assembly to stop conveying in time.

[0006] The top of the U-shaped plate is slid out to the upper side of the U-shaped baffle, two tapered air holes are arranged on the inner wall of the bottom of the U-shaped plate, a breathable filter screen is fixedly connected in the tapered air hole, the bottom of the U-shaped plate is in movable contact with the top of the two cotton swab storage boxes on the right side, the two tapered air holes are respectively aligned and communicated with the two cotton swab storage boxes on the right side, a hot air outlet of a hot air fan is fixedly installed on the top of the U-shaped baffle and is communicated with the inner side of the U-shaped plate, the U-shaped baffle and the U-shaped plate are provided with the same distance control lifting adjustment assembly which is electrically connected with the PLC controller, the hot air fan is arranged to be turned on and supply hot air into the U-shaped plate when the PLC controller receives the on-off signal, the hot air is blown into the corresponding two cotton swab storage boxes through the two tapered air holes and the two breathable filter screens for drying work, the U-shaped baffle is used to shield the top of the cotton swab storage box to prevent the cotton swab from being blown out and falling off, and the distance control lifting adjustment assembly is used to drive the U-shaped plate to lift under the control of the PLC controller, so that the shielding height of the top of the cotton swab storage box can be accurately adjusted.

[0007] Preferably, the conveying belt assembly comprises two U-shaped fixed seats fixedly connected to the inner wall of the bottom of the L-shaped supporting plate, a driving wheel is rotatably installed between the front and rear inner walls of the two U-shaped fixed seats, a same conveying belt is drivingly connected to the two driving wheels, a servo motor is fixedly installed on the front side of the U-shaped fixed seat on the left side and has an output shaft fixedly connected to the front side of the driving wheel on the left side, the servo motor is electrically connected with the PLC controller, and the limiting rod and the first reflecting sheet are both adhesively fixed to the outer side of the conveying belt.

[0008] Preferably, the distance control lifting adjustment assembly comprises an electric telescopic rod fixedly installed on the right side of the top of the U-shaped baffle, the extending end of the electric telescopic rod extends into the U-shaped baffle and is fixedly connected to the inner wall of the bottom of the U-shaped plate, a laser distance measuring sensor is fixedly connected to the left inner wall of the U-shaped plate, a second reflecting sheet is adhesively fixed to the top of the U-shaped baffle and matches the laser distance measuring sensor below, and the laser distance measuring sensor and the electric telescopic rod are both electrically connected with the PLC controller.

[0009] Preferably, a plurality of supporting rollers are rotatably installed on the rear inner wall of the L-shaped supporting plate and the rear inner wall of the U-shaped baffle, and the top of the supporting roller is in rolling contact with the inner top of the conveying belt.

[0010] Preferably, supporting legs are fixedly connected to the four corners of the bottom of the L-shaped supporting plate, and two rectangular guide holes which are slidably sleeved with the outer side of the U-shaped plate are arranged on the top of the U-shaped baffle.

[0011] Preferably, the PLC controller is a timer programmable controller. The set PLC controller can pre-set the time from controlling the servo motor to turn off and the hot air blower to start and turn off respectively. This time is set according to the drying time required on site. If the drying time is required to be thirty seconds, the time from the servo motor to turn on after turning off and the time from the hot air blower to turn off after turning on can be pre-set to thirty seconds.

[0012] Preferably, the cotton swab storage box is a breathable stainless steel filter box.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] 1. This drying device can prevent cotton swabs from falling. Through the cooperation of a PLC controller, a U-shaped baffle, a conical vent, a breathable filter, a U-shaped plate, a conveyor belt assembly, a first reflective sheet, a cotton swab storage box, an infrared sensor, a limit rod and a hot air blower, the cotton swab storage box can be driven to move to the bottom of the U-shaped plate and automatically stop when blocked by it. When blocked, the device automatically performs hot air drying to prevent cotton swabs from falling. After the drying time reaches the set time, the cotton swabs are automatically fed into the storage box for further drying. This achieves the effect of continuously and automatically drying the cotton swabs in an integrated and stable manner to prevent them from falling, thus preventing the cotton swabs from being wasted due to vibration or blowing force.

[0015] 2. This drying equipment can prevent cotton swabs from falling. Through the cooperation of the PLC controller, the distance control lifting adjustment component and the U-shaped plate, when a higher cotton swab storage box is used due to a large number of cotton swabs, the U-shaped plate can adjust the shielding height of the top of the cotton swab storage box according to the different heights of the cotton swab storage box, thereby improving the scope of application and further facilitating the drying work.

[0016] The utility model is provided with a series of structures, which facilitates the continuous and automatic integrated stable anti-drop drying of cotton swabs, avoiding the phenomenon of cotton swabs being moved out and dropped due to vibration or blowing force and wasted. When replacing a higher cotton swab storage box, the U-shaped plate can accurately and flexibly adjust the blocking height of its top, thereby improving the scope of application and further facilitating the drying work. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a structural diagram of a drying device proposed by the present invention that can prevent cotton swabs from falling;

[0018] Figure 2 for Figure 1 Schematic diagram of the cross-sectional structure;

[0019] Figure 3 for Figure 2 A schematic diagram of the enlarged structure of part A in FIG.

[0020] In the figure: 1. L-shaped support plate; 2. U-shaped fixing seat; 201. Drive wheel; 202. Conveyor belt; 203. Servo motor; 3. Support roller; 4. U-shaped baffle; 5. First reflector; 6. Cotton swab storage box; 7. Limit rod; 8. U-shaped plate; 9. Electric telescopic rod; 10. PLC controller; 11. Hot air blower; 12. Conical air vent; 13. Breathable filter; 14. Laser ranging sensor; 15. Second reflector; 16. Infrared sensor. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] like Figures 1 to 3 As shown, a drying device for preventing cotton swabs from falling is proposed in this embodiment, comprising an L-shaped support plate 1, a U-shaped baffle 4 is fixedly connected to the bottom inner wall of the L-shaped support plate 1, a PLC controller 10 is fixedly installed on the top of the U-shaped baffle 4, a conveyor belt assembly located in the U-shaped baffle 4 is installed on the bottom inner wall of the L-shaped support plate 1, a plurality of first reflective sheets 5 are fixedly connected to the outside of the conveyor belt assembly at equal intervals, two groups of limit rods 7 are arranged between two adjacent first reflective sheets 5, each group of limit rods 7 is two and fixedly connected to the outside of the conveyor belt assembly, a cotton swab storage box 6 is movably mounted between the two limit rods 7 of the same group at the top, and a sliding connection is formed between the front and rear inner walls of the U-shaped baffle 4. The same U-shaped plate 8 is touched, and an infrared sensor 16 that cooperates with the first reflective sheet 5 is embedded and fixed in the middle of the bottom of the U-shaped plate 8, wherein the bottom of the U-shaped plate 8 is provided with an embedding hole fixedly connected to the outer side of the infrared sensor 16, and the infrared sensor 16 and the conveyor belt assembly are electrically connected to the PLC controller 10. The cotton swab storage box 6 is a breathable stainless steel filter box. The conveyor belt assembly is used to be controlled by the PLC controller 10 to convey and stop the cotton swab storage box 6 and the first reflective sheet 5. The infrared sensor 16 is used to transmit an on / off signal to the PLC controller 10 when the first reflective sheet 5 detects an infrared reflection signal to it, so that the PLC controller 10 can control the stop of conveying in time;

[0023] The top of the U-shaped plate 8 is slid outward to above the U-shaped baffle 4, the bottom of the L-shaped support plate 1 is fixedly connected with four supporting legs, the top of the U-shaped baffle 4 is provided with two rectangular guide holes which are slidably sleeved with the outer side of the U-shaped plate 8, the bottom inner wall of the U-shaped plate 8 is provided with two tapered air holes 12, the tapered air holes 12 are fixedly connected with air permeable screens 13, the bottom of the U-shaped plate 8 is movably contacted with the top of the two cotton swab storage boxes 6 on the right side, the two tapered air holes 12 are respectively aligned and communicated with the two cotton swab storage boxes 6 on the right side, the top of the U-shaped baffle 4 is fixedly installed with an air outlet which is communicated with the inner side of the U-shaped plate 8 and a hot air fan 11, the U-shaped baffle 4 and the U-shaped plate 8 are installed with the same distance control lifting adjusting assembly which is electrically connected with the PLC controller 10, the hot air fan 11 is arranged to be started and supply hot air into the U-shaped plate 8 when the PLC controller 10 receives the start-stop signal, the hot air is blown into the corresponding two cotton swab storage boxes 6 through the two tapered air holes 12 and the two air permeable screens 13 to perform drying work, the U-shaped plate 8 is used to shield the top of the cotton swab storage box 6 to prevent the cotton swabs from being blown out and falling off, the distance control lifting adjusting assembly is used to drive the U-shaped plate 8 to lift under the control of the PLC controller 10, and the shielding height of the top of the cotton swab storage box 6 is accurately adjusted.

[0024] Specifically, the conveying belt assembly comprises two U-shaped fixed seats 2 fixedly connected to the bottom inner wall of the L-shaped support plate 1, a drive wheel 201 rotatably installed between the front and rear inner walls of each of the two U-shaped fixed seats 2, a same conveying belt 202 drivingly connected to the two drive wheels 201, a servo motor 203 fixedly installed on the front side of the U-shaped fixed seat 2 on the left side and having an output shaft fixedly connected to the front side of the drive wheel 201 on the left side, the servo motor 203 being electrically connected with the PLC controller 10, the limiting rod 7 and the first reflecting sheet 5 being adhesively fixed to the outer side of the conveying belt 202, a plurality of supporting rollers 3 rotatably installed on the rear inner wall of the L-shaped support plate 1 and the rear inner wall of the U-shaped baffle 4, the top of each of the supporting rollers 3 being rollingly contacted with the inner top of the conveying belt 202, wherein a plurality of pin shafts are welded on the rear inner wall of the L-shaped support plate 1 and the rear inner wall of the U-shaped baffle 4, each of the supporting rollers 3 is fixedly sleeved with two bearings, the inner ring of each of the bearings is fixedly sleeved with the outer side of a corresponding pin shaft, the bearings and the pin shafts are arranged to rotatably install the supporting rollers 3, and the plurality of supporting rollers 3 are arranged to movably support the conveying belt 202 on the inner side; the U-shaped fixed seat 2, the drive wheel 201, the conveying belt 202 and the servo motor 203 are arranged to cooperate, the servo motor 203 is driven to rotate the drive wheel 201 on the left side when the PLC controller 10 controls the servo motor 203 to start, and the drive wheel 201 on the left side drives the conveying belt 202 to rotate for conveying work in cooperation with the drive wheel 201 on the right side.

[0025] Further, the distance control lifting adjusting assembly comprises an electric telescopic rod 9 fixedly installed at the right top of the U-shaped baffle 4, an extending end of the electric telescopic rod 9 extending into the U-shaped baffle 4 and fixedly connected with the inner wall of the bottom of the U-shaped plate 8, a laser ranging sensor 14 fixedly connected with the left inner wall of the U-shaped plate 8, a second reflecting sheet 15 adhesively fixed at the top of the U-shaped baffle 4 and matched with the laser ranging sensor 14, and the electric telescopic rod 9 and the laser ranging sensor 14 being electrically connected with the PLC controller 10; the electric telescopic rod 9, the laser ranging sensor 14 and the second reflecting sheet 15 are matched, the closing distance value of the electric telescopic rod 9 is pre-set by the PLC controller 10 according to the height of the cotton swab storage box 6, the electric telescopic rod 9 is started to drive the U-shaped plate 8 to move downward, the U-shaped plate 8 drives the laser ranging sensor 14 to move downward, the laser ranging sensor 14 measures the distance between the laser ranging sensor 14 and the second reflecting sheet 15 in real time and transmits the distance value to the PLC controller 10, when the preset distance value is reached, the PLC controller 10 controls the electric telescopic rod 9 to close, the height of the U-shaped plate 8 shielding the top of the cotton swab storage box 6 is conveniently adjusted according to the cotton swab storage box 6 of different heights, the application range is improved, and thus the cotton swab storage box 6 can be directly shielded when the cotton swab storage box 6 is conveyed to the bottom of the U-shaped plate 8.

[0026] Further, the PLC controller 10 is a programmable controller, the PLC controller 10 can be pre-set to the time from when the servo motor 203 is closed and the hot air fan 11 is started to when the servo motor 203 is started and the hot air fan 11 is closed, and the time is set according to the drying time required on site, for example, if the drying time required is thirty seconds, then the time from when the servo motor 203 is closed to when the servo motor 203 is started and the time from when the hot air fan 11 is started to when the hot air fan 11 is closed are both set to thirty seconds.

[0027] The use method of the embodiment is: the PLC controller 10 is used to pre-set that the servo motor 203 is closed and the hot air fan 11 is opened when receiving the opening and closing signal, and the time from when the servo motor 203 is closed and the hot air fan 11 is opened to when the servo motor 203 is started and the hot air fan 11 is closed is set according to the static drying requirement of the field. The time is set according to the drying time required by the field. For example, if the required drying time is thirty seconds, the time from when the servo motor 203 is closed to when the servo motor 203 is started and the time from when the hot air fan 11 is opened to when the hot air fan 11 is closed are thirty seconds. The cotton swabs to be dried are stored in the plurality of cotton swab storage boxes 6, the cotton swab storage boxes 6 are clamped between the two limiting rods 7, the servo motor 203 is started to drive the left driving wheel 201 to rotate, the left driving wheel 201 cooperates with the right driving wheel 201 to drive the conveying belt 202 to rotate, the conveying belt 202 conveys the cotton swab storage box 6 and the first reflecting sheet 5, when one of the first reflecting sheets 5 moves below the infrared sensor 16, at this time, the two cotton swab storage boxes 6 on the right are conveyed below the U-shaped plate 8 and are shielded at the top by the U-shaped plate 8, at this time, the two cotton swab storage boxes 6 on the right are aligned with the corresponding conical air holes 12, at this time, the infrared sensor 16 receives the infrared signal reflected by the aligned first reflecting sheet 5 and transmits the infrared signal to the PLC controller 10 to generate an opening and closing signal, at this time, the PLC controller 10 controls the servo motor 203 to be closed and controls the hot air fan 11 to be opened, the hot air fan 11 supplies hot air into the U-shaped plate 8, the hot air is blown into the corresponding two cotton swab storage boxes 6 through the two conical air holes 12 and the two air permeable screens 13 to perform drying work, the U-shaped plate 8 shields the top of the cotton swab storage box 6 to prevent the cotton swabs from being blown out and falling, when the preset drying time is reached, the PLC controller 10 controls the servo motor 203 to be opened and controls the hot air fan 11 to be closed, and the conveying work is continued until the two cotton swab storage boxes 6 on the left enter the bottom of the U-shaped baffle 4, and the drying work is performed again. The same is true for the cotton swab storage boxes 6 on the left, which can be replenished, so that the effect of continuously and automatically drying the cotton swabs is achieved, and the phenomenon of waste caused by the cotton swabs being shaken or blown out is avoided.

[0028] When the cotton swab storage box 6 is higher due to the large number of cotton swabs, the PLC controller 10 is used to pre-set the closing distance value of the electric telescopic rod 9 according to the height of the cotton swab storage box 6, the electric telescopic rod 9 is started to drive the U-shaped plate 8 to move downward, the U-shaped plate 8 drives the laser ranging sensor 14 to move downward, the laser ranging sensor 14 measures the distance between the laser ranging sensor 14 and the second reflecting sheet 15 in real time and transmits the distance value to the PLC controller 10, when the preset distance value is reached, the PLC controller 10 controls the electric telescopic rod 9 to be closed, which can adjust the shielding height of the U-shaped plate 8 on the top of the cotton swab storage box 6 according to the height of the cotton swab storage box 6, improve the application range, and further provide convenience for the drying work.

[0029] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application have been described in detail, for the skilled in the art, it still can be modified, or for the equivalent replacement of part of the technical features of the technical solutions recorded in the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, shall be included within the scope of the present application.

Claims

1. A drying device capable of avoiding the falling of a cotton swab, comprising an L-shaped supporting plate (1), characterized in that: The bottom inner wall of the L-shaped supporting plate (1) is fixedly connected with a U-shaped baffle (4), the top of the U-shaped baffle (4) is fixedly installed with a PLC controller (10), the bottom inner wall of the L-shaped supporting plate (1) is installed with a conveying belt assembly located in the U-shaped baffle (4), the outer side of the conveying belt assembly is fixedly connected with a plurality of first reflecting sheets (5) at equal intervals, two groups of limiting rods (7) are arranged between adjacent two first reflecting sheets (5), each group of limiting rods (7) is two and is fixedly connected with the outer side of the conveying belt assembly, the same group of two limiting rods (7) located at the upper portion is movably clamped with the same cotton swab storage box (6), the front and rear inner walls of the U-shaped baffle (4) are slidably contacted with the same U-shaped plate (8), the bottom middle portion of the U-shaped plate (8) is embeddedly and fixedly installed with an infrared sensor (16) matched with the first reflecting sheet (5), and the infrared sensor (16) and the conveying belt assembly are electrically connected with the PLC controller (10). The top two sides of the U-shaped plate (8) are slidably penetrated to the upper portion of the U-shaped baffle (4), two tapered air holes (12) are formed in the bottom inner wall of the U-shaped plate (8), the tapered air holes (12) are fixedly connected with air permeable filter screens (13), the bottom of the U-shaped plate (8) is movably contacted with the top of the two cotton swab storage boxes (6) on the right side, the two tapered air holes (12) are respectively alignedly communicated with the two cotton swab storage boxes (6) on the right side, the top of the U-shaped baffle (4) is fixedly installed with an air outlet, the hot air fan (11) is fixedly installed on the top of the U-shaped baffle (4) and is communicated with the inner side of the U-shaped plate (8), and the U-shaped baffle (4) and the U-shaped plate (8) are installed with the same distance control lifting adjusting assembly electrically connected with the PLC controller (10).

2. The drying apparatus capable of preventing the cotton swab from falling according to claim 1, wherein: The conveying belt assembly comprises two U-shaped fixed seats (2) fixedly connected on the bottom inner wall of the L-shaped supporting plate (1), a driving wheel (201) is rotatably installed between the front and rear inner walls of each U-shaped fixed seat (2), the same conveying belt (202) is drivingly connected on the two driving wheels (201), a servo motor (203) is fixedly installed on the front side of the U-shaped fixed seat (2) on the left side and has an output shaft fixedly connected with the front side of the driving wheel (201) on the left side, the servo motor (203) is electrically connected with the PLC controller (10), and the limiting rod (7) and the first reflecting sheet (5) are adhesively fixed on the outer side of the conveying belt (202).

3. The drying apparatus capable of preventing the cotton swab from falling according to claim 1, wherein: The distance control lifting adjusting assembly comprises an electric telescopic rod (9) fixedly installed on the top right side of the U-shaped baffle (4), the extending end of the electric telescopic rod (9) extends into the U-shaped baffle (4) and is fixedly connected with the bottom inner wall of the U-shaped plate (8), a laser distance measuring sensor (14) is fixedly connected on the left inner wall of the U-shaped plate (8), a second reflecting sheet (15) is adhesively fixed on the top of the U-shaped baffle (4) and is arranged below the laser distance measuring sensor (14), and the laser distance measuring sensor (14) and the electric telescopic rod (9) are electrically connected with the PLC controller (10).

4. The drying apparatus capable of preventing the cotton swab from falling according to claim 2, wherein: A plurality of supporting rollers (3) are rotatably installed on the inner wall of the rear side of the L-shaped supporting plate (1) and the inner wall of the rear side of the U-shaped baffle (4), and the top of the supporting roller (3) is in rolling contact with the inner top of the conveying belt (202).

5. The drying apparatus capable of preventing the cotton swab from falling according to claim 1, wherein: The bottom of the L-shaped supporting plate (1) is fixedly connected with supporting legs at four corners, and the top of the U-shaped baffle (4) is provided with two rectangular guide holes which are slidably sleeved with the outer side of the U-shaped plate (8).

6. The drying apparatus capable of preventing the cotton swab from falling according to claim 1, wherein: The PLC controller (10) is a programmable logic controller.

7. The drying apparatus capable of preventing the cotton swab from falling according to claim 1, wherein: The cotton swab storage box (6) is a breathable stainless steel filter screen box.

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