试管压紧旋转贴标装置及贴标机

Abstract

本实用新型涉及试管贴标技术领域，特别涉及一种试管压紧旋转贴标装置及贴标机。该装置包括安装板、驱动辊组件、压紧杆、从动压紧轮、试管支撑块、摆动驱动机构及旋转驱动机构，驱动辊组件和压紧杆转动安装在安装板上，试管支撑块设置于驱动辊组件和压紧杆之间，压紧杆的一端通过弹簧与安装板或外部固定物连接，压紧杆的另一端设有从动压紧轮；摆动驱动机构和旋转驱动机构均设置于安装板的底部，旋转驱动机构与驱动辊组件连接且为驱动辊组件的旋转提供动力；摆动驱动机构用于驱动压紧杆摆动，使从动压紧轮释放试管。本实用新型结构简化，降低成本与故障率；夹紧程度可控，保护试管不受损；贴标精度与一致性提升；自动化程度高，提升工作效率。

Claims

1. A tube compression rotary labelling apparatus characterised in that, The device includes a mounting plate (1), a drive roller assembly, a clamping rod, a driven clamping wheel (13), a test tube support block (30), a swing drive mechanism, and a rotation drive mechanism. The drive roller assembly and the clamping rod are rotatably mounted on the mounting plate (1). The test tube support block (30) is located between the drive roller assembly and the clamping rod and is used to support the test tube (17). One end of the clamping rod is connected to the mounting plate (1) or an external fixing object through a spring (14). The other end of the clamping rod is provided with a driven clamping wheel (13). The driven clamping wheel (13) presses the test tube (17) onto the drive roller assembly under the elastic force of the spring (14). Both the swing drive mechanism and the rotary drive mechanism are located at the bottom of the mounting plate (1). The rotary drive mechanism is connected to the drive roller assembly and provides power for the rotation of the drive roller assembly. The swing drive mechanism is used to drive the clamping rod to swing, so that the driven clamping wheel (13) releases the test tube (17).

2. The tube compression rotary labelling device of claim 1, wherein, The drive roller assembly includes drive roller I (2) and drive roller II (3) arranged in parallel, and drive roller I (2) and drive roller II (3) synchronously drive the test tube (17) to rotate.

3. The tube compression rotary labelling device of claim 2, wherein, The rotary drive mechanism includes a synchronous belt I (5), a motor support block, a motor adjustment plate I (22), a motor I (35), a driving synchronous pulley I (37), and two driven synchronous pulleys I (4), wherein the two driven synchronous pulleys I (4) are respectively connected to the drive roller I (2) and the drive roller II (3); The motor support block is fixedly connected to the mounting plate (1), the motor adjustment plate I (22) is connected to the motor support block and the connection position can be adjusted, the motor I (35) is mounted on the motor adjustment plate I (22), the output end of the motor I (35) is connected to the active synchronous pulley I (37), and the active synchronous pulley I (37) is connected to the two driven synchronous pulleys I (4) through the synchronous belt I (5).

4. The tube compression rotary labeling apparatus of claim 1, wherein, The clamping rod includes a swing arm (10) and a swing rod (12). The swing arm (10) is located below the mounting plate (1), and the middle part of the swing arm (10) is rotatably connected to the mounting plate (1) via a shaft a (11). One end of the swing arm (10) is connected to the spring (14), and the other end of the swing arm (10) is vertically connected to the lower end of the swing rod (12). The swing rod (12) passes through an arc-shaped guide hole provided on the mounting plate (1), and the driven clamping wheel (13) is provided at the upper end of the swing rod (12).

5. The tube compression rotary labeling apparatus of claim 1 wherein, The swing drive mechanism includes a motor II (6), a synchronous belt II (7), a driven synchronous pulley II (8), a cam (9), a shaft b (34), a driving synchronous pulley II (36), and a motor mount assembly. The motor II (6) is mounted on the mounting plate (1) via the motor mount assembly, and the output end of the motor II (6) is connected to the driving synchronous pulley II (36). The shaft b (34) is rotatably connected to the mounting plate (1). The driven synchronous pulley II (8) and the cam (9) are coaxially mounted on the shaft b (34). The driven synchronous pulley II (8) is connected to the driving synchronous pulley II (36) via the synchronous belt II (7), and the cam (9) is in contact with the clamping rod.

6. The tube compression rotary labelling device of claim 5, wherein, It also includes a clamping detection module; The clamping detection module includes a detection plate (15) and a sensor (16), wherein the detection plate (15) is disposed on the driven synchronous pulley II (8) and the sensor (16) is disposed on the mounting plate (1); when the cam (9) rotates to the side of the cam's maximum radius away from the clamping rod, the detection plate (15) triggers the sensor (16), the sensor (16) sends a clamping signal, and the motor II (6) stops rotating.

7. The tube compression rotary labeling apparatus of claim 5, wherein, The motor mount assembly includes a motor adjustment plate II (18) and a motor support base (19), wherein the motor support base (19) is fixedly connected to the mounting plate (1), the motor adjustment plate II (18) is connected to the motor support base (19), the motor II (6) is mounted on the motor adjustment plate II (18), and the connection position between the motor adjustment plate II (18) and the motor support base (19) can be adjusted along the direction of the center line connecting the driving synchronous pulley II (36) and the driven synchronous pulley II (8).

8. The tube compression rotary labeling apparatus of claim 1, wherein, The test tube support block (30) is equipped with a test tube presence or absence detection sensor (31).

9. The tube compression rotary labeling apparatus of claim 1, wherein, It also includes a test tube height adjustment mechanism; The test tube height adjustment mechanism includes a lead screw (24), a lifting seat (26), a lead screw nut (27), a handwheel (28), and a guide rod (25). The lead screw (24) and the guide rod (25) are both vertically mounted on the mounting plate (1), and the lead screw (24) can rotate. The handwheel (28) is located at the upper end of the lead screw (24). The lead screw nut (27) is threadedly engaged with the lead screw (24). The lifting seat (26) is connected to the lead screw nut (27) and is slidably engaged with the guide rod (25). The lifting seat (26) is connected to the test tube support block (30), and the lifting seat (26) can drive the test tube support block (30) to rise and fall.

10. A labelling machine comprising a thermal printer (41) for accomplishing printing of a label, characterised in that, It also includes a test tube locator (38) and a test tube pressing and rotating labeling device as described in any one of claims 1-9, wherein the test tube pressing and rotating labeling device and the thermal printer (41) are integrated in the chassis (39), the test tube locator (38) is disposed on the top of the chassis (39) and located on one side of the test tube support block (30), and the test tube locator (38) has a V-shaped positioning groove for positioning the test tube (17); the test tube pressing and rotating labeling device is used to affix the label printed by the thermal printer (41) onto the test tube (17).

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