CN212229648U

CN212229648U - Two-dimensional code identification and detection device

Info

Publication number: CN212229648U
Application number: CN202021433762.8U
Authority: CN
Inventors: 吴明勇; 李起义
Original assignee: Chongqing Lianmeng Electromechanical Equipment Co ltd
Current assignee: Chongqing Lianmeng Electromechanical Equipment Co ltd
Priority date: 2020-07-20
Filing date: 2020-07-20
Publication date: 2020-12-25
Anticipated expiration: 2030-07-20

Abstract

The utility model provides a two-dimension code recognition and detection device, which comprises a base station, a conveyor belt positioned on the base station and used for transporting a packaging carton, a bearing sleeve fixed on the base station and used for the conveyor belt to pass through, and a ring disc sleeved in the bearing sleeve and coaxial with the bearing sleeve; the radial direction of bearing the sleeve slides and is equipped with at least one slide bar, and the directional one end that bears the sleeve axle center of each slide bar all installs the industry camera that is used for discernment detection two-dimensional code, and each slide bar passes through reducing adjustment mechanism and radially adjustable along the ring dish. The problem of make industry camera discernment two-dimensional code efficiency slow, the precision is not enough among the prior art is solved. The industrial camera installed on the sliding rod can recognize the two-dimensional code on the packaging carton in a short distance, the recognition precision and the recognition speed are improved, and the two-position code recognition detection efficiency is improved.

Description

Two-dimensional code identification and detection device

Technical Field

The utility model relates to a packing detects technical field, especially relates to a two-dimensional code discernment detection device.

Background

In the enterprise of present carton packing product, in order to ensure product qualification nature and relevant parameter information in the carton, spout the two-dimensional code on packing carton usually, mark the product information of box after discerning the accurate two-dimensional code that lies in packing carton through handheld PAD or industry identification camera to gather to put in storage and detect. The efficiency of manual handheld PAD and industrial camera identification is low and accuracy cannot be guaranteed.

In order to improve the efficiency and accuracy of two-dimensional code identification detection, for example, the publication number as the prior art is: CN207601803U discloses a two-dimensional code recognition and detection device, the main structure is: "including detecting recognition device, main control system and frame, detect recognition device including installing the position identification probe on the frame right side, the frame top is provided with two-dimensional code recognition camera to and be used for installing the support rod of two-dimensional code recognition camera, two-dimensional code recognition camera lens position detects the carton two-dimensional code down, the main control system sets up on the frame next door, with main control system electric connection. When the carton is used, the carton passes through the right position identification probe and is used for positioning the carton to detect the two-dimensional code. "discernment camera through on the bracing piece carries out discernment detection to the two-dimensional code on the carton, has banned manual identification's mode.

Although the above device improves the efficiency of two-dimensional code recognition, the following problems still exist: on one hand, due to the arrangement mode of the supporting rod on the frame, the two-dimensional codes on some cartons are small, so that the industrial camera can accurately input images in the camera only after identifying for a long time; on the other hand, even if the support is slidably connected to the frame to adjust the lateral and longitudinal positions, much time is required, and the efficiency is not improved.

SUMMERY OF THE UTILITY MODEL

To the not enough that exists among the prior art, the utility model provides a two-dimensional code discernment detection device utilizes reducing adjustable mechanism to carry out radial reducing through the slide bar that sets up on bearing the sleeve and adjusts, has realized that the industry camera of installing on the slide bar can closely discern the two-dimensional code on the packing carton, improves discernment precision and recognition speed, makes industry camera discernment two-dimensional code efficiency slow, the not enough problem of precision in solving current equipment.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a two-dimensional code identification detection device comprises a base station, a conveyor belt, a bearing sleeve and a ring disc, wherein the conveyor belt is positioned on the base station and used for transporting a packaging carton; the radial direction of bearing the sleeve slides and is equipped with at least one slide bar, and the directional one end that bears the sleeve axle center of each slide bar all installs the industry camera that is used for discernment detection two-dimensional code, and each slide bar passes through reducing adjustment mechanism and radially adjustable along the ring dish.

Furthermore, reducing adjustment mechanism is including being located on the ring dish side and with the ring dish with the axis rotation be connected the adjustment disk, construct and be used for adjusting the slide bar along the radial gliding thread groove of ring dish and fix on the slide bar and with the thread tooth that the thread groove cooperatees the meshing on the adjustment disk.

Further, the adjusting disc and the circular ring disc coaxially rotate through the sliding assembly; the sliding assembly comprises a sliding block and a ring groove, wherein the sliding block is arranged on the other surface of the fixed adjusting disc relative to the screw groove, and the ring groove is formed in the ring disc and used for the sliding block to slide.

Preferably, the sliding block is provided with a ball.

Preferably, a plurality of sliding grooves are formed in the circumferential direction of the bearing sleeve at equal intervals, and each sliding groove is matched with one sliding rod to be connected in a sliding mode.

Furthermore, the reducing adjusting mechanism also comprises a driving assembly for controlling the rotating radian of the adjusting disc; the driving assembly comprises a driving gear which is rotationally connected to the circular ring disc and a driven gear which is integrally constructed on the adjusting disc and meshed with the driving gear.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the diameter-changing adjustable mechanism realizes radial adjustment of the sliding rod along the circular ring disc, so that the distance between the industrial camera and the two-dimensional code on the packaging carton is adjusted, the industrial camera is convenient to recognize and detect, and the accuracy of recognizing the two-dimensional code of the industrial camera is improved.

2. As the utility model discloses an optimal selection scheme can ensure the quick discernment of the different positions of two-dimensional code on the packing carton with the slide bar along bearing a plurality of settings of sleeve circumference, improves the efficiency that detects.

3. By utilizing the driving assembly, the rotating radian of the adjusting disc can be ensured, and the radial feeding distance of the sliding rod is ensured to be controlled. The two-dimensional code can both be discerned on the packing carton of convenient not unidimensional, has improved the flexibility that detects.

Drawings

Fig. 1 is an overall structure diagram of the two-bit code recognition and detection device according to the embodiment of the present invention.

Fig. 2 is a schematic cross-sectional view taken along the direction T of fig. 1.

Fig. 3 is a schematic sectional view along the direction B-B in fig. 2.

Fig. 4 is a schematic view of the whole structure of the circular ring disk in the embodiment of the present invention.

Fig. 5 is a partially enlarged schematic view at a of fig. 3.

Reference numerals:

1. a support frame; 10. a base station; 2. a conveyor belt; 3. a variable diameter adjustable mechanism; 30. a load bearing sleeve; 31. a ring plate; 32. a ring groove; 40. a chute; 50. a slide bar; 51. screw teeth; 6. an adjusting disk; 61. a screw groove; 62. a slider; 63. a ball bearing; 65. an industrial camera; 7. a drive assembly; 71. a rotating rod; 72. a driving gear; 73. a driven gear; 9. and (5) packaging cartons.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and embodiments.

Referring to fig. 1 and 2, a two-dimensional code recognition and detection device according to an embodiment of the present invention includes a support frame 1, a base 10 disposed on the support frame 1, and a conveyor belt 2 disposed on the base 10 and used for transporting a packaging carton 9, wherein the height of the support frame 1 is preset in advance according to the requirement of field detection, the device further includes a bearing sleeve 30 fixed on the base 10 for the conveyor belt 2 (precisely, the conveyor belt 2 carries the packaging carton 9) to pass through, and a circular disc 31 coaxially sleeved in the bearing sleeve 30; at least one sliding rod 50 is arranged on the bearing sleeve 30 in a sliding mode in the radial direction, an industrial camera 65 used for identifying and detecting the two-dimensional code is installed at one end, pointing to the axis of the bearing sleeve 30, of each sliding rod 50, and each sliding rod 50 is adjustable in the radial direction along the circular disc 31 through the diameter-changing adjusting mechanism. As the embodiment of the present invention, a plurality of sliding grooves 40 are provided at the same distance along the circumferential direction of the bearing sleeve 30, each sliding groove 40 is matched with a sliding rod 50 to be connected in a sliding manner, the sliding grooves 40 are radially arranged along the bearing sleeve 30, and the cross section of each sliding groove 40 is rectangular, circular, T-shaped, etc., and is shown as rectangular in the figure. The number of the sliding rods 50 shown in this embodiment is three, and the sliding rods are equidistantly distributed in the 180 ° direction of the bearing sleeve 30, so as to facilitate measurement of three ring sides of the packing carton 9, it should be noted that if the packing carton 9 is cylindrical, according to the technical teaching of the present invention, several sliding rods may be additionally arranged in the circumferential direction of the bearing sleeve 30, which does not exceed the scope of the present technical solution. The structure and the realization principle of the variable diameter adjustable mechanism 3 are introduced as follows:

referring to fig. 2-4, the variable diameter adjusting mechanism includes an adjusting plate 6 located on the side surface of the circular ring plate 31 and coaxially and rotatably connected to the circular ring plate 31, a spiral groove 61 configured on the adjusting plate 6 for adjusting the sliding rod 50 to slide along the radial direction of the circular ring plate 31, and a spiral tooth 51 fixed on the sliding rod 50 and engaged with the spiral groove 61. The cross-section of the grooves 61 is trapezoidal or rectangular in this example, and the cross-section of the teeth 51 is correspondingly also trapezoidal or rectangular, shown as a trapezoidal configuration in the figures. The reducing adjusting mechanism also comprises a driving assembly 7 for controlling the rotating radian of the adjusting disc 6; the driving assembly 7 comprises a driving gear 72 rotatably connected to the circular ring plate 31 and a driven gear 73 integrally formed on the adjusting plate 6 and engaged with the driving gear 72, wherein the driving gear 72 is specifically formed as follows: a servo motor is arranged on the circular ring disc 31, a rotating rod 71 of the servo motor extends out and is fixedly connected with a driving gear 72, and when the rotating rod 71 of the servo motor rotates, the driving gear 72 is driven to rotate, so that the adjusting disc 6 is driven to rotate. When the adjusting disc 6 is adjusted, the screw grooves 61 on the adjusting disc 6 slide relative to the screw teeth 51 formed on the sliding rod 50, and since the arrangement of the screw grooves 61 is arranged along the radial direction of the adjusting disc 6, the screw teeth 51 slide radially under the track sliding of the screw grooves 61, so that the radial movement is achieved, and when the number of the sliding rods 50 is three, the radial distances are all synchronous, that is, the radial feeding amount of the three industrial cameras 65 is synchronous, so as to ensure the stability of the two-dimensional code identification detection.

Referring to fig. 4 and 5, as another embodiment of the present invention, the adjusting plate 6 rotates coaxially with the circular ring plate 31 through the sliding component; the sliding assembly comprises sliding blocks 62 (2 in the figure) fixed on the other side of the adjusting disk 6 opposite to the thread groove 61 and a ring groove 32 constructed on the circular disk 31 for sliding the sliding blocks 62. Be equipped with on the slider 62 and be equipped with ball 63 towards annular 32 bottom, further make adjusting disk 6's rotation efficiency improve, ensure that the reducing is adjusted stably.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. The utility model provides a two-dimensional code discernment detection device, includes base station (10) and is located conveyer belt (2) that base station (10) are used for transporting packing carton (9), its characterized in that: the conveying belt conveyor is characterized by further comprising a bearing sleeve (30) which is fixed on the base station (10) and is used for the conveying belt (2) to pass through, and a circular disc (31) which is sleeved in the bearing sleeve (30) and has the same axis;

the radial direction of bearing sleeve (30) slides and is equipped with at least one slide bar (50), and industry camera (65) that are used for discernment detection two-dimensional code are all installed to the one end that each slide bar (50) point to bearing sleeve (30) axle center, and each slide bar (50) are radially adjustable along ring dish (31) through reducing adjustment mechanism (3).

2. The two-dimensional code recognition and detection device according to claim 1, wherein: reducing adjustment mechanism (3) including be located ring dish (31) side and with ring dish (31) with the axle center rotate adjusting disk (6) of being connected, construct on adjusting disk (6) and be used for adjusting slide bar (50) along ring dish (31) radial gliding thread groove (61) and fix on slide bar (50) and with thread groove (61) cooperate the spiral shell tooth (51) of meshing.

3. The two-dimensional code recognition and detection device according to claim 2, wherein: the adjusting disc (6) rotates coaxially with the circular ring disc (31) through the sliding assembly;

the sliding assembly comprises a sliding block (62) which is used for fixing the other surface of the adjusting disc (6) relative to the thread groove (61) and a ring groove (32) which is constructed on the circular disc (31) and used for the sliding of the sliding block (62).

4. The two-dimensional code recognition and detection device according to claim 3, wherein: and the sliding block (62) is provided with a ball (63).

5. The two-dimensional code recognition detecting device according to any one of claims 1 to 4, wherein: a plurality of sliding grooves (40) are formed in the circumferential direction of the bearing sleeve (30) at equal intervals, and each sliding groove (40) is matched with one sliding rod (50) to be connected in a sliding mode.

6. The two-dimensional code recognition detecting device according to any one of claims 1 to 4, wherein: the reducing adjusting mechanism (3) also comprises a driving assembly (7) for controlling the rotating radian of the adjusting disc (6);

the driving assembly comprises a driving gear (72) which is rotationally connected to the circular ring disc (31) and a driven gear (73) which is integrally formed on the adjusting disc (6) and meshed with the driving gear (72).