Conveyor belt with width capable of being automatically adjusted

Abstract

The utility model discloses a conveyor belt with automatically adjustable width, which belongs to the technical field of conveying devices and comprises two bottom plates arranged front and back, a servo motor arranged on one side of the top of one bottom plate, a transmission case arranged at the output end of the servo motor and arranged on one side of the tops of the two bottom plates, and the servo motor is in transmission connection with the transmission case. Sliding rails are arranged at the tops of the bottom plates, sliding tables are slidably connected to the sliding rails, lead screws are arranged in the sliding rails in a penetrating mode, the lead screws are fixedly installed in the transmission box, nuts are in threaded connection to the lead screws, the nuts are fixedly installed at the bottoms of the sliding tables, installation bases are arranged on the sides, away from the transmission box, of the tops of the bottom plates, and moving conveying belts are arranged at the tops of the sliding tables. A driving mechanism is arranged on the side, away from the servo motor, of the fixed conveying belt. The width of the conveying belt can be freely adjusted conveniently, the conveying belt does not need to be replaced when workpieces of different sizes are conveyed, cost is reduced conveniently, production efficiency is guaranteed, and practicability of the device is improved easily.

Description

Technical Field

[0001] The utility model relates to the technical field of conveying devices, in particular to a conveyor belt with automatically adjustable width. Background Art

[0002] A conveyor belt, also known as a conveyor belt, is a device that carries and transports goods through a circulating belt. It is suitable for occasions with short conveying distances and small conveying volumes. It is very common in various factories and is also a very important piece of equipment in the assembly line production process.

[0003] The conveyor belts used in factories are generally of standard sizes. Conveyor belts of special sizes need to be customized. When conveyor belts of different widths are needed, the conveyor belts need to be replaced. The replacement cost is high, and the disassembly and assembly process is cumbersome, which affects production efficiency. Therefore, a conveyor belt with automatically adjustable width is proposed. Utility Model Content

[0004] In order to overcome the shortcomings of the prior art, the utility model provides a conveyor belt with automatically adjustable width. The width of the conveyor belt can be freely adjusted. There is no need to replace the conveyor belt when conveying workpieces of different sizes, which is convenient for reducing costs, ensuring production efficiency, and helping to improve the practicability of the device.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: a conveyor belt with automatically adjustable width, comprising two bottom plates arranged front and back, a servo motor is fixedly installed on one side of the top of one bottom plate, a transmission box is fixedly installed on the output end of the servo motor, the transmission box is fixedly installed on one side of the top of the two bottom plates, the transmission box and the bottom plate are perpendicular to each other, the servo motor is connected to the transmission box in a transmission manner, a slide rail is fixedly installed on the top of each bottom plate, the slide rail and the bottom plate are parallel to each other, a slide table is slidably connected on each slide rail, a screw rod is penetrated in each slide rail, the screw rod is fixedly installed in the transmission box, a nut is threadedly connected on the screw rod, and the nut is fixedly installed on the bottom of the slide table, a mounting base is fixedly installed on the top of the bottom plate away from the transmission box, a moving conveyor belt is fixedly installed on the top of the slide table, a fixed conveyor belt is fixedly installed on the top of the mounting base, the moving conveyor belt is parallel to the fixed conveyor belt and they are perpendicular to the bottom plate, and a driving mechanism is provided on the side of the fixed conveyor belt away from the servo motor.

[0006] Preferably, a driving wheel, a driven wheel and a synchronous belt are provided in the transmission box, the driving wheel is coaxially fixed with the output end of the servo motor, and the screw rod is coaxially fixed with the driving wheel and the driven wheel respectively.

[0007] Preferably, the driving mechanism includes a driving motor, a limiting transmission shaft is coaxially fixed on the output end of the driving motor, the limiting transmission shaft is transmission-connected to the fixed conveyor belt, a guide transmission shaft is coaxially fixedly installed on the side of the limiting transmission shaft away from the driving motor, the guide transmission shaft is passed through the end of the moving conveyor belt, the guide transmission shaft is transmission-connected to the moving conveyor belt, and the moving conveyor belt is movably abutted against the limiting transmission shaft on the side close to the fixed conveyor belt.

[0008] Preferably, the moving conveyor belt includes a main body, a conveyor belt is fixedly installed on the top of the main body, the limiting transmission shaft and the guide transmission shaft are both transmission-connected to the conveyor belt, a side baffle is fixedly installed on one side of the top of the main body, and slide grooves are opened on both sides of the main body.

[0009] Preferably, the fixed conveyor belt and the moving conveyor belt have the same structure, the side baffle on the moving conveyor belt is located on the side away from the fixed conveyor belt, and the side baffle on the fixed conveyor belt is located on the side away from the moving conveyor belt.

[0010] Preferably, an RFID reader / writer head is fixedly installed in the middle of the fixed conveyor belt, and a waiting position stop is slidably connected to the inner side of one end of the fixed conveyor belt close to the servo motor, and a working position stop is slidably connected to the middle of the moving conveyor belt, and the waiting position stop is opposite to the position of the RFID reader / writer head.

[0011] Preferably, the waiting position stop gear and the working position stop gear are both slidably connected in the slide groove.

[0012] Preferably, the adjustable width of the moving conveyor belt and the fixed conveyor belt is 250-350 mm.

[0013] The working principle of the conveyor belt with automatically adjustable width of the utility model is as follows: the servo motor is started, and the screw rods on the front and rear two bottom plates are driven by the transmission box to rotate, so that the slide table is located on the slide rail to slide and the position of the moving conveyor belt is adjusted and changed. After adjustment, the servo motor stops, the screw rod stops rotating, and the nut position is automatically locked to fix the position of the moving conveyor belt. The limit transmission shaft and the guide transmission shaft are driven by the driving motor to rotate, and the limit transmission shaft and the guide transmission shaft drive the moving conveyor belt and the conveyor belt on the fixed conveyor belt to rotate to transport the workpiece. The side baffle is located on the outer sides of the moving conveyor belt and the fixed conveyor belt relative to each other, and the workpiece is limited to be transported on the moving conveyor belt and the fixed conveyor belt. An RFID read / write head, a waiting position stop and a working position stop are set to identify the label on the workpiece, which is convenient for marking and measuring. The blocking of the workpiece by the waiting position stop and the working position stop can ensure that the recognition work of the RFID read / write head is carried out normally and the conveyor belt can continuously carry out the conveying work.

[0014] Compared with the prior art, the utility model can achieve the following beneficial effects:

[0015] 1. The servo motor drives the transmission box to move, the transmission screw of the transmission box rotates synchronously, and the nut drives the slide to move synchronously, so as to adjust the position of the moving conveyor belt. The distance between the moving conveyor belt and the fixed conveyor belt changes, so as to adjust the width of the conveyor belt, which is beneficial to improve the practicality of the device. When transporting workpieces of different widths, it is only necessary to adjust the width of the conveyor belt without replacing the conveyor belt, which is convenient to reduce costs and improve the work efficiency of transportation.

[0016] 2. The guide drive shaft can drive the moving conveyor belt. After the position of the moving conveyor belt is adjusted, it can still be driven. The guide drive shaft is fixed to the limit drive shaft, so that the moving conveyor belt and the fixed conveyor belt can move synchronously, ensuring the stability of the conveying work and further improving the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A schematic diagram of the overall structure of a conveyor belt with automatically adjustable width in an embodiment;

[0018] Figure 2 A schematic diagram of the structure of a width adjustment mechanism of a conveyor belt with automatically adjustable width in an embodiment;

[0019] Figure 3 A schematic diagram of a conveyor belt transmission structure of a conveyor belt with automatically adjustable width in an embodiment;

[0020] Figure 4 A conveyor belt with automatically adjustable width in an embodiment Figure 3 The structural schematic diagram of A is shown;

[0021] Among them: 1. Base plate; 2. Servo motor; 3. Transmission box; 4. Slide rail; 5. Slide table; 6. Mounting base; 7. Moving conveyor belt; 71. Main body; 72. Conveyor belt; 73. Side baffle; 74. Slide trough; 8. Fixed conveyor belt; 9. Driving motor; 10. Limit transmission shaft; 11. Guide transmission shaft; 12. RFID read / write head; 13. Waiting position stop; 14. Working position stop; 15. Screw rod; 16. Nut. DETAILED DESCRIPTION

[0022] The following is attached to the instruction manual Figure 1-4 , the technical solution of the utility model is explained through specific embodiments.

[0023] Embodiment:

[0024] like Figure 1-3As shown, the utility model provides a conveyor belt with automatically adjustable width, comprising two bottom plates 1 arranged front and back, a servo motor 2 is fixedly installed on one side of the top of one bottom plate 1, a transmission box 3 is fixedly installed on the output end of the servo motor 2, the transmission box 3 is fixedly installed on one side of the top of the two bottom plates 1, the transmission box 3 and the bottom plate 1 are perpendicular to each other, the servo motor 2 is transmission-connected to the transmission box 3, a driving wheel, a driven wheel and a synchronous belt are arranged in the transmission box 3, the driving wheel is coaxially fixed with the output end of the servo motor 2, a slide rail 4 is fixedly installed on one side of the driving wheel and the driven wheel on the top of the bottom plate 1, the slide rail 4 and the bottom plate 1 are parallel to each other, a slide table 5 is slidably connected on the slide rail 4, a mounting base 6 is fixedly installed on the top of the bottom plate 1 on one side of the slide rail 4, a moving conveyor belt 7 is fixedly installed on the top of the slide table 5, a fixed conveyor belt 8 is fixedly installed on the top of the mounting base 6, the moving conveyor belt 7 and the fixed conveyor belt 8 They are parallel to each other and perpendicular to the bottom plate 1. A driving mechanism is provided on the side of the fixed conveyor belt 8 away from the servo motor 2, and the driving mechanism includes a driving motor 9. A limited transmission shaft 10 is coaxially fixed on the output end of the driving motor 9. The limited transmission shaft 10 is connected to the fixed conveyor belt 8 in transmission. A guide transmission shaft 11 is coaxially fixedly installed on the end of the limited transmission shaft 10 away from the driving motor 9. The guide transmission shaft 11 is penetrated through the end of the moving conveyor belt 7. The guide transmission shaft 11 is connected to the moving conveyor belt 7 in transmission. The moving conveyor belt 7 is movably abutted against the limited transmission shaft 10 on the side close to the fixed conveyor belt 8. An RFID read-write head 12 is fixedly installed in the middle of the fixed conveyor belt 8. A waiting position stop 13 is slidably connected to the inner side of the end of the fixed conveyor belt 8 close to the servo motor 2. A working position stop 14 is slidably connected to the middle of the moving conveyor belt 7, and the waiting position stop 13 is opposite to the RFID read-write head 12.

[0025] The slide rails 4 are all provided with screw rods 15 , which are fixedly installed in the transmission box 3 , and the screw rods 15 are coaxially fixed with the driving wheel and the driven wheel. The screw rods 15 are threadedly connected with nuts 16 , and the nuts 16 are fixedly installed at the bottom of the slide 5 .

[0026] like Figure 4 As shown, the moving conveyor belt 7 includes a main body 71, a conveyor belt 72 is fixedly installed on the top of the main body 71, the limiting transmission shaft 10 and the guide transmission shaft 11 are both connected to the conveyor belt 72, a side baffle plate 73 is fixedly installed on one side of the top of the main body 71, and slide grooves 74 are opened on both sides of the main body 71.

[0027] Combination Figure 1 and Figure 4 ,from Figure 1 It can be seen that the waiting position gear stop 13 and the working position gear stop 14 are both slidably connected in the slide groove 74, the moving conveyor belt 7 and the fixed conveyor belt 8 have the same structure, the side baffle 73 on the moving conveyor belt 7 is located on the side away from the fixed conveyor belt 8, and the side baffle 73 on the fixed conveyor belt 8 is located on the side away from the moving conveyor belt 7.

[0028] The adjustable width of the moving conveyor belt 7 and the fixed conveyor belt 8 is 250-350 mm.

[0029] Working steps: when in use, start the servo motor 2, the servo motor 2 drives the screw rod 15 in the slide rail 4 to rotate through the transmission box 3, the nut 16 is driven by the screw rod 15, drives the slide 5 to slide on the slide rail 4, adjusts the position of the moving conveyor belt 7, and when the width of the workpiece to be transmitted is reached, turn off the servo motor 2, start the drive motor 9, the drive motor 9 drives the limit transmission shaft 10 and the guide transmission shaft 11 to rotate, the limit transmission shaft 10 and the guide transmission shaft 11 drive the moving conveyor belt 7 and the conveyor belt 72 on the fixed conveyor belt 8 to rotate, complete the start-up of the conveyor belt, place the two ends of the workpiece to be transmitted on the moving conveyor belt 7 and the fixed conveyor belt 8 On the conveyor belt 72 on the conveyor belt 8, the conveyor belt 72 conveys the workpiece. When the workpiece reaches the waiting position stop 13, it is blocked by the waiting position stop 13. After the conveying instruction is issued, the waiting position stop 13 shrinks and contacts the workpiece. After the workpiece passes the waiting position stop 13, the waiting position stop 13 resets and continues to block the next workpiece. When the workpiece is conveyed to the working position stop 14, the working position stop 14 blocks the workpiece, and the RFID read / write head 12 identifies the label on the workpiece, and then the working position stop 14 shrinks, and the conveyor belt 72 continues to convey the workpiece, and the above steps are repeated to complete the conveyance of all workpieces.

[0030] When changing the size of the workpiece to be transported, stop the equipment and repeat the above steps to complete the transportation of the workpiece of the corresponding size.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A conveyor belt with automatically adjustable width, comprising two bottom plates arranged front and back, characterized in that: A servo motor is fixedly installed on one side of the top of one of the base plates, and a transmission box is fixedly installed on the output end of the servo motor, and the transmission box is fixedly installed on one side of the top of the two base plates, the transmission box and the base plate are perpendicular to each other, and the servo motor is connected to the transmission box in a transmission manner, and a slide rail is fixedly installed on the top of the base plate, and the slide rail and the base plate are parallel to each other, and a slide table is slidably connected on the slide rail, and a screw rod is penetrated in the slide rail, and the screw rod is fixedly installed in the transmission box, and a nut is threadedly connected on the screw rod, and the nut is fixedly installed on the bottom of the slide table, and a mounting base is fixedly installed on the top of the base plate away from the transmission box. A moving conveyor belt is fixedly installed on the top of the slide table, and a fixed conveyor belt is fixedly installed on the top of the mounting base, the moving conveyor belt is parallel to the fixed conveyor belt, and they are perpendicular to the base plate, and a driving mechanism is provided on the fixed conveyor belt away from the servo motor. The driving mechanism includes a driving motor, a limiting transmission shaft is coaxially fixed to the output end of the driving motor, the limiting transmission shaft is transmission-connected to the fixed conveyor belt, a guide transmission shaft is coaxially fixedly installed on the side of the limiting transmission shaft away from the driving motor, the guide transmission shaft passes through the end of the moving conveyor belt, the guide transmission shaft is transmission-connected to the moving conveyor belt, and the moving conveyor belt is movably abutted against the limiting transmission shaft on the side close to the fixed conveyor belt.

2. A conveyor belt with automatically adjustable width according to claim 1, characterized in that: A driving wheel, a driven wheel and a synchronous belt are arranged in the transmission box. The driving wheel is coaxially fixed with the output end of the servo motor, and the screw rod is coaxially fixed with the driving wheel and the driven wheel respectively.

3. A conveyor belt with automatically adjustable width according to claim 1, characterized in that: The moving conveyor belt includes a main body, a conveyor belt is fixedly installed on the top of the main body, the limiting transmission shaft and the guide transmission shaft are both transmission-connected to the conveyor belt, a side baffle is fixedly installed on one side of the top of the main body, and slide grooves are opened on both sides of the main body.

4. A conveyor belt with automatically adjustable width according to claim 3, characterized in that: The fixed conveyor belt has the same structure as the moving conveyor belt. The side baffle on the moving conveyor belt is located on the side away from the fixed conveyor belt, and the side baffle on the fixed conveyor belt is located on the side away from the moving conveyor belt.

5. A conveyor belt with automatically adjustable width according to claim 4, characterized in that: An RFID read / write head is fixedly installed in the middle of the fixed conveyor belt, a waiting position stop is slidably connected to the inner side of one end of the fixed conveyor belt close to the servo motor, and a working position stop is slidably connected to the middle of the moving conveyor belt, and the waiting position stop is opposite to the position of the RFID read / write head.

6. A conveyor belt with automatically adjustable width according to claim 5, characterized in that: The waiting position stop gear and the working position stop gear are both slidably connected in the sliding groove.

7. A conveyor belt with automatically adjustable width according to claim 1, characterized in that: The adjustable width of the moving conveyor belt and the fixed conveyor belt is 250-350mm.

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