CN213499199U - A test system for bar code reading equipment - Google Patents
A test system for bar code reading equipment Download PDFInfo
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- CN213499199U CN213499199U CN202022561382.9U CN202022561382U CN213499199U CN 213499199 U CN213499199 U CN 213499199U CN 202022561382 U CN202022561382 U CN 202022561382U CN 213499199 U CN213499199 U CN 213499199U
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Abstract
本实用新型公开了一种条码识读设备测试系统，包括移动装置、DUT夹具装置、机械臂、码片吸取装置；所述DUT夹具装置与移动装置相连接，所述DUT夹具装置上固定连接条码识读设备；所述机械臂底端固定连接在工作台上，机械臂顶端与码片吸取装置相连接，码片吸取装置对码片进行吸取，条码识读设备与码片相对应设置；所述DUT夹具装置包括夹持机构、仰俯角调节机构、升降机构，夹持机构与条码识读设备相连接，夹持机构底端与仰俯角调节机构连接，仰俯角调节机构底端与升降机构相连接。本实用新型通过自主设计的DUT夹具装置能对市面上多数条码识读设备夹紧固定，并集俯仰角与高度调节于一体，实现了功能集中化，提高了测试操作的灵活性。
The utility model discloses a bar code reading equipment testing system, comprising a mobile device, a DUT fixture device, a mechanical arm, and a code chip suction device; the DUT fixture device is connected with a mobile device, and a bar code is fixedly connected to the DUT fixture device Recognition equipment; the bottom end of the mechanical arm is fixedly connected to the worktable, the top of the mechanical arm is connected with the chip suction device, the chip suction device sucks the code chip, and the barcode reading device is set corresponding to the code chip; The DUT fixture device includes a clamping mechanism, a pitch angle adjustment mechanism, and a lift mechanism. The clamp mechanism is connected to the barcode reading device, the bottom end of the clamp mechanism is connected to the pitch angle adjustment mechanism, and the bottom end of the pitch angle adjustment mechanism is connected to the lift mechanism. connect. The utility model can clamp and fix most of the barcode reading devices on the market through the self-designed DUT fixture device, and integrates the pitch angle and height adjustment, realizes the centralization of functions, and improves the flexibility of the test operation.
Description
Technical Field
The utility model relates to a bar code recognition field especially relates to a bar code recognition equipment test system.
Background
The test of the bar code reading device is an important link in the production, delivery and use processes of the bar code reading device, and the test is carried out on a standard bar code chip under various test conditions according to international standards, national standards and industrial standards so as to determine the measurement parameters of the bar code reading device. The existing bar code reading equipment needs to continuously change the position and the inclination angle of a code sheet in the testing process so as to test the reading capability of the bar code reading equipment, and the testing is carried out in a manual or semi-automatic mode, so that the testing efficiency is low, the accuracy is poor and the labor cost is high; therefore, a more efficient and accurate bar code reading device testing system is needed to solve the above problems.
Disclosure of Invention
The utility model aims at the above-mentioned problem, provide a simple structure, convenient to use's bar code recognition equipment test system.
In order to realize the purpose, the technical scheme of the utility model is that:
a bar code reading equipment test system comprises a moving device, a DUT clamp device, a mechanical arm and a code piece suction device; the DUT clamp device is connected with the mobile device, and the DUT clamp device is fixedly connected with the bar code reading equipment; the bottom end of the mechanical arm is fixedly connected to the workbench, the top end of the mechanical arm is connected with the chip suction device, the chip suction device sucks chips, and the bar code reading equipment is arranged corresponding to the chips; the DUT fixture device comprises a clamping mechanism, a pitching angle adjusting mechanism and a lifting mechanism, wherein the clamping mechanism is connected with a bar code reading device, the bottom end of the clamping mechanism is connected with the pitching angle adjusting mechanism, and the bottom end of the pitching angle adjusting mechanism is connected with the lifting mechanism.
Furthermore, the moving device comprises a linear guide rail, a fixing piece at the bottom end of the linear guide rail is fixedly connected to the workbench, and a sliding piece at the top end of the linear guide rail is fixedly connected with the bottom end of the DUT clamp device.
Further, the clamping mechanism comprises a clamping seat, a clamping ring is arranged at the top end of the clamping seat, a clamping rod is arranged on one side of the clamping ring, one end of the clamping rod penetrates through an installation through hole formed in the side wall of the clamping ring and then extends into the inner side of the clamping ring, and the outer side wall of the clamping rod is in threaded connection with the inner side wall of the installation through hole; the clamping seat bottom is connected with pitching angle adjustment mechanism.
Furthermore, the pitching angle adjusting mechanism comprises two supporting plates and two movable plates, the two movable plates and the two supporting plates are correspondingly arranged on the front side and the rear side of the bottom end of the clamping seat, the top end of the supporting plate is fixedly connected with the top end of the clamping seat, the bottom end of the supporting plate is provided with an annular through hole and is connected with the movable plates through the annular through hole, the movable plates are located on the inner sides of the supporting plates, the central position of the movable plates is connected with a pin shaft at the central position of the supporting plate, the side surface of the bottom end of the movable plates is connected with an adjusting bolt, and one; the bottom end of the movable plate is connected with the lifting mechanism.
Furthermore, the lifting mechanism comprises a bottom plate, a top plate, a first lifting rod and a second lifting rod, the first lifting rod and the second lifting rod are arranged in a crossed mode, the middle of the first lifting rod is in pin connection with the middle of the second lifting rod, the top end of the first lifting rod is movably connected with an adjusting through hole formed in the top plate, the top end of the second lifting rod is in pin connection with the top plate, and the top end of the top plate is fixedly connected with the bottom end of the movable plate; the bottom end of the first lifting rod is connected with a bottom plate pin shaft, the bottom end of the second lifting rod is fixedly connected with a movable nut, the inner side of the movable nut is connected with a screw rod in a penetrating mode, the movable nut is in threaded connection with the screw rod, the screw rod is rotatably connected with a mounting frame fixedly connected to the bottom plate, and one end of the screw rod is connected with a rocking handle.
Further, chip suction means includes cavity spring axle, spring, sucking disc mounting, sucking disc, and the one end of cavity spring axle is connected and inside being linked together with the sucking disc of cavity spring axle through the sucking disc mounting, and the spring has been cup jointed outside the cavity spring axle, and the other end of cavity spring axle is connected with the arm top through admitting air, and the cavity spring is inside to be linked together with admitting air, and the piece of admitting air is linked together with the aspiration pump.
Further, bar code recognition equipment test system still includes arm control cabinet, PLC control system, arm control cabinet and arm electric connection, PLC control system and arm control cabinet, linear guide electric connection, PLC control system and bar code recognition equipment communication connection.
Further, the bar code reading device testing system further comprises an untested standard chip storage box for placing untested chips and a standard chip storage box for placing tested chips.
Compared with the prior art, the utility model has the advantages and positive effect be:
the utility model provides a bar code recognition equipment test system places standard code piece before the test and the standard code piece after the test is accomplished through adopting two standard test code piece case, uses the code piece suction means of terminal installation at the arm execution simultaneously to absorb standard test code piece to accomplish corresponding executive action according to the test demand, made things convenient for absorption, test, the place of standard test code piece, improved the flexibility of operation, satisfied bar code recognition equipment test demand; in addition, the DUT fixture device is used for installing and fixing the bar code reading equipment, the DUT fixture can move to a position to be tested along the linear guide rail, the testing requirement is met, and the test data of the bar code reading equipment is acquired and recorded while the linear guide rail and the mechanical arm are controlled by combining the PLC control system, so that the efficiency and the automation level of the testing system are greatly improved; on the other hand, the utility model discloses a DUT fixture device who independently designs can press from both sides tightly fixedly to most bar code recognition equipment on the market to collect the angle of pitch and altitude mixture control in an organic whole, realized the function centralization, improved test operation's flexibility.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of the structure of a DUT fixture apparatus;
FIG. 3 is a schematic structural view of the lifting mechanism;
fig. 4 is a schematic structural diagram of a chip suction device.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, any modifications, equivalent replacements, improvements, etc. made by other embodiments obtained by a person of ordinary skill in the art without creative efforts shall be included in the protection scope of the present invention.
As shown in fig. 1, the barcode reading device testing system in this embodiment includes:
a linear guide rail 2 configured to enable placement of said DUT clamp apparatus 3 thereon, a motor in linear guide rail 2 communicatively connected to said PLC control system 25 capable of moving said DUT clamp apparatus 3 to a specified position;
a robot arm 10 configured to mount the chip suction means 8 and capable of controlling the chip suction means 8 to suck the untested standard chips 26 or to place the tested standard chips 27 while controlling the chip suction means 8 to move and rotate;
the DUT clamp mechanism 3 is installed on the linear guide rail 2, is configured to install a bar code reading device to be tested (namely a bar code reading device), is suitable for fixing devices to be tested with various shapes, can adjust the height and the pitching angle of the devices to be tested according to needs, is in communication connection with the PLC control system 25, and transmits standard test chip information acquired by the devices to be tested to the PLC control system 25;
the chip suction device 8 is arranged on the mechanical arm 10 and is configured to suck a standard chip to be detected, a suction pump is used for generating suction force, so that a suction cup can stably suck the chip, and the suction pump is in communication connection with the mechanical arm control cabinet 24 and is used for controlling the suction and placement of the chip;
an untested standard chip storage box 5 configured to store an untested standard chip 26, the installation position of which can be adjusted according to the size of the chip, so that the chip suction device 8 can suck the untested standard chip 26;
a tested standard chip storage box 6 configured to store the tested standard chip 27 and fixed in a proper position for the chip suction device 8 to place the tested standard chip 27;
the PLC control system 25 is configured to control the mechanical arm control cabinet 24 and the linear guide rail 2, and is in communication connection with the barcode reading device to be tested 28.
The linear guide rail 2 comprises a fixed part, a sliding part is connected to the fixed part in a sliding manner, and the sliding part is connected with the internal motor 4 through a screw rod nut structure; the linear guide rail 2 is arranged on the working platform 1, and the internal motor 4 drives the sliding part to move so as to drive the DUT clamp device 3 arranged on the sliding part to accurately move to a preset target test position; the internal motor 4 is communicatively connected to the PLC control system 25 so as to be operated to a specified position under the control of the PLC control system 25.
The mechanical arm 10 is a mechanical part commonly used in the market at present, and the bottom end of the mechanical arm is arranged on a proper supporting platform 11; the chip suction device 8 can be installed at the end execution position of the chip suction device, and is used for sucking the untested standard chips 26 for the test of the bar code reading equipment, the mechanical arm 10 is connected with the mechanical arm control cabinet 24, the mechanical arm control cabinet 24 can be in communication connection with the PLC control system 25, a series of actions are completed under the control of the PLC control system 25, for example, the chip suction device is moved to the untested standard chip storage box 5, the posture state of the end chip suction device 8 is adjusted, so that the chip suction actions are completed, meanwhile, the untested standard chips 26 can be carried to complete the actions of linear movement, linear rotation and the like, and the design test requirements are met.
As shown in fig. 2 and 3, the DUT fixture mechanism 3 includes three modules, namely, a clamping mechanism, a pitch angle adjusting mechanism, and a lifting mechanism;
the clamping mechanism comprises a clamping seat 14, a clamping ring 12 is arranged at the top end of the clamping seat 14, a clamping rod 13 is arranged on one side of the clamping ring 12, one end of the clamping rod 13 penetrates through an installation through hole formed in the side wall of the clamping ring 13 and then extends into the inner side of the clamping ring 12, and the outer side wall of the clamping rod 13 is in threaded connection with the inner side wall of the installation through hole; the reading device to be tested placed in the clamping ring 12 can be clamped and fixed by screwing the clamping rod 13, and the bottom end of the clamping seat 14 is connected with the pitching angle adjusting mechanism. The clamping mechanism can be used for installing and fixing bar code reading equipment with various shapes and specifications, such as irregular cylindrical, rectangular and various irregular-shaped testing equipment.
The pitching angle adjusting mechanism comprises a supporting plate 15 and two movable plates 17, the supporting plate 15 and the two movable plates 17 are arranged, the two movable plates 17 and the two supporting plates 15 are correspondingly arranged on the front side and the rear side of the bottom end of the clamping seat 14, the top end of the supporting plate 15 is fixedly connected with the top end of the clamping seat 14, an annular through hole 1501 is formed in the bottom end of the supporting plate 15 and is connected with the movable plates 17 through the annular through hole 1501, the movable plates 17 are located on the inner side of the supporting plate 15, the central position of the movable plates 17 is connected with a pin shaft at the central position of the supporting plate 15, the side face of the bottom end of the movable; the bottom end of the movable plate 17 is connected with a lifting mechanism. Pitching angle adjusting mechanism can adjust the pitching angle of the scanning line of the bar code reading equipment, ensure the level of the scanning line and facilitate the follow-up test
The lifting mechanism comprises a bottom plate 33, a top plate 16, a first lifting rod 28 and a second lifting rod 29, the first lifting rod 28 and the second lifting rod 29 are arranged in a crossed mode, the middle of the first lifting rod 28 is in pin connection with the middle of the second lifting rod 29, the top end of the first lifting rod 28 is movably connected with an adjusting through hole 1601 arranged on the top plate 16, the top end of the second lifting rod 29 is in pin connection with the top plate 16, and the top end of the top plate 16 is fixedly connected with the bottom end of the movable plate 17; the bottom end of the first lifting rod 28 is connected with a bottom plate 33 through a pin shaft, the bottom end of the second lifting rod 29 is fixedly connected with a movable nut 31, the inner side of the movable nut 31 is connected with a screw rod 30 in a penetrating mode, the movable nut 31 is in threaded connection with the screw rod 30, the screw rod 30 is rotatably connected with an installation frame 32 fixedly connected to the bottom plate 33, and one end of the screw rod 30 is connected with a rocking handle 18; the bottom plate 33 is connected with the sliding part of the linear guide rail 2; the elevating mechanism can adjust the scanning height of the scanning line of the bar code reading device according to different testing requirements, so that the scanning height is the same as the height of the untested standard code sheet 26, and related tests can be completed.
As shown in fig. 4, the chip suction device 8 includes a suction cup 19, a suction cup fixing member 20, a spring washer 21, a hollow spring shaft 22, and a spring 23, and mainly functions to suck an untested standard chip 26, thereby facilitating the subsequent bar code reading device testing; the chip suction device 8 is connected with the mechanical arm through an air inlet part 9, the air inlet part 9 is provided with an air vent 7 and is connected with an air pump through the air vent 7, the air flow of the air pump generates negative air pressure at the sucking disc 19 through a hollow spring shaft 22 so as to generate suction force, and when the sucking disc 19 contacts the surface of an untested standard chip 26, pressure difference is formed at two sides of the chip so that the chip is tightly attached to the sucking disc; the spring 23 can form a buffer when the suction cup 19 contacts the untested standard code sheet 26, so that direct rigid contact between the suction cup 19 and the untested standard code sheet 26 is reduced, the contact pressure between the suction cup 19 and the untested standard code sheet 26 is enhanced, and the contact damage of related equipment is reduced.
In an embodiment, the flow of the entire system can be roughly resolved into: the user is in required test content is selected to PLC control system 25, and PLC control system 25 then sends control command to bar code recognition test equipment, arm 10, linear guide, and then accomplishes a series of operations, and PLC control system gathers and records the relevant data information that bar code recognition test equipment surveyed at this in-process, for example recognition test equipment's recognition precision, recognition angle, recognition region etc..
In the system, according to international standards, national standards and industrial standards, the test contents of a plurality of bar code reading devices, such as depth of field, resolution (identification precision), decoding capability, symbol contrast, reading speed, reading angle, reading area, error rate, wine and vinegar capability, environmental illumination adaptability and the like, can be completed, and the functions of standard conformance inspection, birth inspection record, inspection report issuing and the like of the bar code reading devices are further completed through testing.
The utility model provides a bar code recognition equipment test system places standard code piece before the test and the standard code piece after the test is accomplished through adopting two standard test code piece case, uses the code piece suction means of terminal installation at the arm execution simultaneously to absorb standard test code piece to accomplish corresponding executive action according to the test demand, made things convenient for absorption, test, the place of standard test code piece, improved the flexibility of operation, satisfied bar code recognition equipment test demand; in addition, the DUT fixture device is used for installing and fixing the bar code reading equipment, the DUT fixture can move to a position to be tested along the linear guide rail, the testing requirement is met, and the test data of the bar code reading equipment is acquired and recorded while the linear guide rail and the mechanical arm are controlled by combining the PLC control system, so that the efficiency and the automation level of the testing system are greatly improved; on the other hand, the utility model discloses a DUT fixture device who independently designs can press from both sides tightly fixedly to most bar code recognition equipment on the market to collect the angle of pitch and altitude mixture control in an organic whole, realized the function centralization, improved test operation's flexibility.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022561382.9U CN213499199U (en) | 2020-11-09 | 2020-11-09 | A test system for bar code reading equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022561382.9U CN213499199U (en) | 2020-11-09 | 2020-11-09 | A test system for bar code reading equipment |
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| Publication Number | Publication Date |
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| CN213499199U true CN213499199U (en) | 2021-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022561382.9U Expired - Fee Related CN213499199U (en) | 2020-11-09 | 2020-11-09 | A test system for bar code reading equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112247967A (en) * | 2020-11-09 | 2021-01-22 | 中国电子技术标准化研究院 | Bar code reading equipment test system |
-
2020
- 2020-11-09 CN CN202022561382.9U patent/CN213499199U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112247967A (en) * | 2020-11-09 | 2021-01-22 | 中国电子技术标准化研究院 | Bar code reading equipment test system |
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Granted publication date: 20210622 |