Code scanning device of automatic weighing machine

Abstract

The utility model discloses a code scanning device of an automatic weighing machine, and particularly relates to the technical field of code scanning of weighing machines, which comprises a working table, a code scanning camera for scanning codes of articles is arranged at the top of the working table, and the weighing machine for weighing the articles is arranged in the working table. A supporting mechanism for driving the code scanning camera to move up and down is arranged at the top of the workbench, the supporting mechanism comprises a first supporting plate arranged at the top of the workbench, a second supporting plate is arranged at the top of the first supporting plate, and the code scanning camera is located at the top end in the second supporting plate; threaded cylinders are movably connected to the two sides of the interior of the first supporting plate through bearings. According to the utility model, the distance between the code scanning camera and the workbench is controlled through the supporting mechanism, code scanning identification can be carried out on articles with different sizes, the application range of the device is expanded, dust adsorbed on the code scanning camera can be cleaned through the cleaning mechanism, and the dust is prevented from blocking the code scanning sight of the code scanning camera.

Description

Technical Field

[0001] The utility model relates to the technical field of weighing machine code scanning, in particular to an automatic weighing machine code scanning device. Background Art

[0002] Most packaging boxes are affixed with barcodes. In the final inspection process of the production line, these products need to be weighed and scanned by a weighing and barcode scanning machine. After the products are qualified, they can be packed. For example, a weighing and barcode scanning one-to-four device provided in the Chinese patent application with application number 201920345250.7 includes a barcode scanning camera, a computer, an operation button, a conveyor belt, a lower box, a keyboard, a lampshade, a load-bearing caster, a weighing display, a bracket, and a photoelectric sensor; the bracket includes a vertical bracket and a horizontal bracket above the vertical bracket, the camera barcode scanning is fixedly installed below the horizontal bracket, and the lampshade is fixedly installed above the horizontal bracket; an LED lamp is installed on the horizontal bracket, the vertical bracket includes two vertical columns and a sheet metal part between the vertical columns, the computer, the operation button and the weighing display are all installed on the sheet metal part on the bracket, the sheet metal part is fixed on the bracket, and the photoelectric sensor is installed between the two vertical columns, below the keyboard, and close to the conveyor belt; the weighing sensor is fixed on the lower box, and the conveyor belt is fixed on the weighing sensor. This technical solution saves labor costs, improves the efficiency of code scanning and weighing, analyzes package information through software, obtains the geographic location of the package and automatically sorts it.

[0003] However, the following problems still exist in this technical solution: in this technical solution, objects are scanned and identified by a barcode scanning camera. Since there are many sizes of objects in daily life, the height of the barcode scanning camera in the device is fixed, and the barcode scanning camera cannot be adjusted according to the size of the object, which affects the scanning effect. Utility Model Content

[0004] The purpose of the utility model is to provide an automatic weighing machine code scanning device, which controls the distance between the code scanning camera and the workbench through a supporting mechanism, can scan and identify objects of different sizes, thereby expanding the scope of use of the utility model. The dust adsorbed on the code scanning camera can also be cleaned through a cleaning mechanism to prevent dust from obstructing the scanning camera's line of sight, thereby solving the above-mentioned deficiencies in the technology.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automatic weighing machine scanning device, comprising a workbench, a scanning camera for scanning items is provided on the top of the workbench, and a weighing machine for weighing items is provided inside the workbench.

[0006] Preferably, a supporting mechanism for driving the code scanning camera to move up and down is provided on the top of the workbench, and the supporting mechanism includes a first supporting plate arranged on the top of the workbench, a second supporting plate is arranged on the top of the first supporting plate, and the code scanning camera is located at the top end inside the second supporting plate, and threaded cylinders are movably connected to both sides of the first supporting plate through bearings, and threaded rods are threadedly connected to the inside of the threaded cylinders, and the top ends of the threaded rods penetrate the first supporting plate and extend out of the top of the first supporting plate, and the top ends of the two threaded rods are fixedly connected to the bottom of the second supporting plate, so as to drive the code scanning camera to move up and down.

[0007] Preferably, pulleys are provided on the outside of the two threaded cylinders, and the two pulleys are threadedly connected to the same belt. The bottom end of one of the threaded cylinders passes through the first support plate and extends into the inside of the workbench. The threaded cylinder is movably connected to the workbench through a bearing. A first motor is fixedly provided at the bottom end of the threaded cylinder extending into the inside of the workbench. The first motor is fixedly connected to the workbench and is used to drive the code scanning camera to move up and down.

[0008] Preferably, a cleaning mechanism for cleaning dust on the barcode scanning camera is provided at the top inner part of the second support plate, the cleaning mechanism comprises a connecting frame arranged on one side of the barcode scanning camera, a cleaning sponge is provided inside the connecting frame, limit blocks are fixedly provided on both sides of the top of the connecting frame, two limit grooves are provided inside the second support plate, the top of the limit block passes through the second support plate and extends into the limit groove, the limit block can slide inside the limit groove, and a handle is fixedly provided at the bottom of the connecting frame for cleaning dust on the barcode scanning camera.

[0009] Preferably, a first conveying mechanism for moving articles is provided on the front side of the workbench, the first conveying mechanism includes two first rotating shafts arranged at the top of the workbench, two ends of the first rotating shafts are movably connected to the inner wall of the workbench through bearings, a first conveying roller is fixedly provided on the outside of the first rotating shaft, the same first conveying belt is provided on the outside of the two first conveying rollers, the weighing machine is located inside the first conveying belt, a second motor is fixedly provided on the rear end of one of the first rotating shafts, the second motor is fixedly connected to the workbench for moving articles.

[0010] Preferably, a second conveying mechanism for conveying scanned items is provided on one side of the workbench, and the second conveying mechanism includes a support frame arranged on one side of the workbench, and second rotating shafts are movably connected to both sides of the top of the support frame through bearings, and a second conveying roller is penetrated through the outside of the second rotating shaft, and the same second conveying belt is provided on the outside of the two second conveying rollers, and the rear end of one of the second rotating shafts passes through the support frame and extends out of the rear side of the support frame, and a third motor is fixedly provided at the rear end of the second rotating shaft extending out of the rear side of the support frame, and the third motor is fixed to the rear side of the support frame through a bracket, baffles are fixedly provided on both sides of the top of the support frame, and a blanking plate is fixedly provided on one side of the workbench for conveying scanned items.

[0011] Preferably, an MCU control chip for controlling the first motor, the second motor and the third motor is provided on the front side of the workbench, and the weighing machine and the barcode scanning camera are electrically connected to the MCU control chip for controlling the first motor, the second motor and the third motor.

[0012] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0013] 1. The first motor is started by the MCU control chip, and the first motor can drive the threaded barrel to rotate. The rotation of the threaded barrel can drive the threaded rod to move up and down. The up and down movement of the threaded rod can drive the second support plate to move. The second support plate can drive the code scanning camera to move up and down. By controlling the distance between the code scanning camera and the workbench, the code scanning and identification of objects of different sizes can be performed, which expands the scope of use of the utility model;

[0014] 2. Pull the handle, the handle can drive the connecting frame to move, and the cleaning sponge on the connecting frame moves with the connecting frame. The cleaning sponge can be used to clean the dust adsorbed on the barcode scanning camera to prevent the dust from obstructing the scanning camera's line of sight. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0016] Figure 1 It is a front view of the utility model;

[0017] Figure 2 It is a rear view of the utility model;

[0018] Figure 3 It is a structural schematic diagram of the first conveying mechanism of the utility model;

[0019] Figure 4 It is a structural schematic diagram of the weighing platform of the utility model;

[0020] Figure 5 It is a structural schematic diagram of the support mechanism of the utility model;

[0021] Figure 6 It is a structural schematic diagram of the cleaning mechanism of the utility model;

[0022] Figure 7 It is a structural schematic diagram of the second conveying mechanism of the utility model.

[0023] Description of reference numerals:

[0024] 1 workbench, 2 barcode scanning camera, 3 weighing machine;

[0025] 4 supporting mechanism, 401 first supporting plate, 402 second supporting plate, 403 threaded cylinder, 404 threaded rod, 405 pulley, 406 belt, 407 first motor;

[0026] 5 cleaning mechanism, 501 connecting frame, 502 cleaning sponge, 503 limiting block, 504 limiting groove, 505 handle;

[0027] 6 first conveying mechanism, 601 first rotating shaft, 602 first conveying roller, 603 first conveying belt, 604 second motor;

[0028] 7 second conveying mechanism, 701 support frame, 702 second rotating shaft, 703 second conveying roller, 704 second conveying belt, 705 third motor, 706 baffle plate, 707 blanking plate;

[0029] 8MCU control chip. DETAILED DESCRIPTION

[0030] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0031] The utility model provides Figure 1-7 An automatic weighing machine code scanning device shown includes a workbench 1, a code scanning camera 2 for scanning an object is provided on the top of the workbench 1, a weighing machine 3 for weighing an object is provided inside the workbench 1, and the weighing machine 3 and the code scanning camera 2 are electrically connected to an MCU control chip 8;

[0032] like Figure 3As shown, a first conveying mechanism 6 for moving articles is provided at the front side of the workbench 1, and the first conveying mechanism 6 includes two first rotating shafts 601 provided at the top of the workbench 1, and the two ends of the first rotating shafts 601 are respectively movably connected to the inner wall of the workbench 1 through bearings, and a first conveying roller 602 is fixedly provided on the outside of the first rotating shaft 601, and the same first conveying belt 603 is provided on the outside of the two first conveying rollers 602, and the weighing machine 3 is located inside the first conveying belt 603, and a second motor 604 is fixedly provided at the rear end of one of the first rotating shafts 601, and the second motor 604 is fixedly connected to the workbench 1, and an MCU control chip 8 for controlling the second motor 604 is provided on the front side of the workbench 1;

[0033] Place the items that need to be scanned on the top of the first conveyor belt 603. The items press the first conveyor belt 603 downward due to their own weight. When the items are on the top of the weighing machine 3, the weighing machine 3 can weigh the items, and the scanning camera 2 can scan and identify the items. The scanning camera 2 and the weighing machine 3 transmit the collected information to the MCU control chip 8. The MCU control chip 8 can display the item information to facilitate people to know the weight and information of the items. The MCU control chip 8 turns on the second motor 604 at the same time. The second motor 604 can drive the first rotating shaft 601 to rotate. The rotation of the first rotating shaft 601 drives the first conveying roller 602 to rotate. The first conveying roller 602 drives the first conveyor belt 603 to rotate. The first conveyor belt 603 can drive the items to move and transport the items.

[0034] like Figure 2 , 7 As shown, a second conveying mechanism 7 for conveying scanned articles is provided on one side of the workbench 1, and the second conveying mechanism 7 includes a support frame 701 provided on one side of the workbench 1, and second rotating shafts 702 are movably connected to the top of the support frame 701 on both sides through bearings, and a second conveying roller 703 is penetrated outside the second rotating shaft 702, and the same second conveying belt 704 is provided outside the two second conveying rollers 703, and the rear end of one of the second rotating shafts 702 penetrates the support frame 701 and extends out of the rear side of the support frame 701, and a third motor 705 is fixedly provided at the rear end of the second rotating shaft 702 extending out of the rear side of the support frame 701, and the third motor 705 is fixed to the rear side of the support frame 701 through a bracket, and baffles 706 are fixedly provided on both sides of the top of the support frame 701, and a blanking plate 707 is fixedly provided on one side of the workbench 1, and an MCU control chip 8 for controlling the third motor 705 is provided on the front side of the workbench 1;

[0035] After the code is scanned, the items are transported to one side of the workbench 1 through the first conveying mechanism 6. After the code is scanned, the items fall onto the second conveyor belt 704 through the unloading plate 707. The third motor 705 is started by the MCU control chip 8. The third motor 705 can drive the second rotating shaft 702 to rotate. The rotation of the second rotating shaft 702 can drive the second conveying roller 703 to rotate. The second conveying roller 703 is used to drive the second conveyor belt 704 to rotate. The second conveyor belt 704 can transport the scanned items to facilitate the next step. The two baffles 706 on the support frame 701 can prevent the scanned items from falling from the top of the second conveyor belt 704, so as to protect the scanned items.

[0036] like Figure 5 As shown, a support mechanism 4 for driving the code scanning camera 2 to move up and down is provided on the top of the workbench 1, and the support mechanism 4 includes a first support plate 401 provided on the top of the workbench 1, and a second support plate 402 is provided on the top of the first support plate 401, and the code scanning camera 2 is located at the top of the second support plate 402, and both sides of the first support plate 401 are movably connected with threaded cylinders 403 through bearings, and threaded rods 404 are threadedly connected inside the threaded cylinder 403, and the tops of the threaded rods 404 penetrate the first support plate 401 and extend out of the top of the first support plate 401, and the tops of the two threaded rods 404 are fixedly connected to the bottom of the second support plate 402;

[0037] like Figure 5 As shown, the outside of the two threaded barrels 403 are penetrated by pulleys 405, and the two pulleys 405 are externally threadedly connected with the same belt 406, the bottom end of one of the threaded barrels 403 penetrates the first support plate 401 and extends to the inside of the workbench 1, the threaded barrel 403 is movably connected to the workbench 1 through a bearing, and the bottom end of the threaded barrel 403 extending to the inside of the workbench 1 is fixedly provided with a first motor 407, the first motor 407 is fixedly connected to the workbench 1, and the front side of the workbench 1 is provided with an MCU control chip 8 for the first motor 407;

[0038] The first motor 407 is started by the MCU control chip 8, and the first motor 407 can drive the threaded barrel 403 to rotate. The two threaded barrels 403 can rotate simultaneously under the action of the pulley 405 and the baffle 706. The rotation of the threaded barrel 403 can drive the threaded rod 404 to move up and down. The up and down movement of the threaded rod 404 can drive the second support plate 402 to move. The second support plate 402 can drive the code scanning camera 2 to move up and down. By controlling the distance between the code scanning camera 2 and the workbench 1, objects of different sizes can be scanned and identified, thereby expanding the scope of use of the utility model.

[0039] like Figure 6As shown, a cleaning mechanism 5 for cleaning dust on the barcode scanning camera 2 is provided at the top of the second support plate 402, and the cleaning mechanism 5 includes a connecting frame 501 provided at one side of the barcode scanning camera 2, a cleaning sponge 502 is provided inside the connecting frame 501, and limiting blocks 503 are fixedly provided on both sides of the top of the connecting frame 501, and two limiting grooves 504 are provided inside the second support plate 402, and the top of the limiting block 503 passes through the second support plate 402 and extends into the limiting groove 504, and the limiting block 503 can slide inside the limiting groove 504, and a handle 505 is fixedly provided at the bottom of the connecting frame 501;

[0040] Pulling the handle 505 can drive the connecting frame 501 to move, and the cleaning sponge 502 on the connecting frame 501 moves along with the connecting frame 501 . The cleaning sponge 502 can clean the dust adsorbed on the barcode scanning camera 2 to prevent the dust from obstructing the barcode scanning camera 2's line of sight.

[0041] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. An automatic weighing machine code scanning device, comprising a workbench (1), characterized in that: A barcode scanning camera (2) for scanning the barcode of the object is provided on the top of the workbench (1), and a weighing machine (3) for weighing the object is provided inside the workbench (1); A supporting mechanism (4) is provided on the top of the workbench (1) for driving the code scanning camera (2) to move up and down; The support mechanism (4) comprises a first support plate (401) arranged on the top of the workbench (1), a second support plate (402) is arranged on the top of the first support plate (401), the barcode scanning camera (2) is located at the top of the second support plate (402), both sides of the first support plate (401) are movably connected with threaded cylinders (403) through bearings, the threaded cylinder (403) is internally threadedly connected with a threaded rod (404), the top of the threaded rod (404) passes through the first support plate (401) and extends out of the top of the first support plate (401), and the tops of the two threaded rods (404) are fixedly connected to the bottom of the second support plate (402); A cleaning mechanism (5) for cleaning dust on the barcode scanning camera (2) is provided at the top end of the second support plate (402).

2. The automatic weighing machine code scanning device according to claim 1, characterized in that: A pulley (405) is provided on the outside of the two threaded cylinders (403), and the two pulleys (405) are externally threadedly connected to the same belt (406). The bottom end of one of the threaded cylinders (403) passes through the first support plate (401) and extends into the inside of the workbench (1). The threaded cylinder (403) is movably connected to the workbench (1) via a bearing. A first motor (407) is fixedly provided on the bottom end of the threaded cylinder (403) extending into the inside of the workbench (1), and the first motor (407) is fixedly connected to the workbench (1).

3. The automatic weighing machine code scanning device according to claim 1, characterized in that: The cleaning mechanism (5) comprises a connecting frame (501) arranged on one side of the barcode scanning camera (2), a cleaning sponge (502) is arranged inside the connecting frame (501), limiting blocks (503) are fixedly arranged on both sides of the top of the connecting frame (501), two limiting grooves (504) are arranged inside the second supporting plate (402), the top of the limiting block (503) passes through the second supporting plate (402) and extends into the limiting groove (504), the limiting block (503) can slide inside the limiting groove (504), and a handle (505) is fixedly arranged at the bottom of the connecting frame (501).

4. The automatic weighing machine code scanning device according to claim 1, characterized in that: A first conveying mechanism (6) for driving the objects to move is provided on the front side of the interior of the workbench (1); The first conveying mechanism (6) comprises two first rotating shafts (601) arranged at the top end inside the workbench (1), the two ends of the first rotating shafts (601) are respectively movably connected to the inner wall of the workbench (1) through bearings, a first conveying roller (602) is fixedly provided outside the first rotating shaft (601), and the same first conveying belt (603) is provided outside the two first conveying rollers (602), the weighing machine (3) is located inside the first conveying belt (603), and a second motor (604) is fixedly provided at the rear end of one of the first rotating shafts (601), and the second motor (604) is fixedly connected to the workbench (1).

5. The automatic weighing machine code scanning device according to claim 1, characterized in that: A second conveying mechanism (7) for conveying scanned items is provided on one side of the workbench (1); The second conveying mechanism (7) comprises a support frame (701) arranged on one side of the workbench (1), and second rotating shafts (702) are movably connected to the top of the support frame (701) on both sides through bearings, and a second conveying roller (703) is provided outside the second rotating shaft (702) and penetrates through the second rotating shaft (702), and the same second conveying belt (704) is provided outside the two second conveying rollers (703), and the rear end of one of the second rotating shafts (702) penetrates the support frame (701) and extends out of the rear side of the support frame (701), and a third motor (705) is fixed to the rear end of the second rotating shaft (702) extending out of the rear side of the support frame (701), and the third motor (705) is fixed to the rear side of the support frame (701) through a bracket.

6. The automatic weighing machine code scanning device according to claim 5, characterized in that: Baffles (706) are fixedly provided on both sides of the top of the support frame (701).

7. The automatic weighing machine code scanning device according to claim 5, characterized in that: A blanking plate (707) is fixedly provided on one side of the workbench (1).

8. The automatic weighing machine code scanning device according to claim 5, characterized in that: An MCU control chip (8) for controlling the first motor (407), the second motor (604) and the third motor (705) is provided on the front side of the workbench (1); the weighing machine (3) and the barcode scanning camera (2) are electrically connected to the MCU control chip (8).

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