阅读说明：本技术 穿刺针升降摆臂 (Puncture needle lifting swing arm ) 是由 彭勇 冯尧 曾祥雨 于 2019-08-27 设计创作，主要内容包括：本发明公开穿刺针升降摆臂,包括：穿刺针固定座；一端下侧设置有穿刺针的穿刺针支撑架；支撑穿刺针支撑架的支撑杆；设置在所述穿刺针支撑架远离所述穿刺针一端的支撑杆,所述支撑杆活动装配在所述穿刺针固定座上；固定在所述穿刺针固定座上且用以驱动支撑杆上下运动的穿刺针运动机构；以及固定在所述穿刺针固定座上且用以驱动所述支撑杆绕其轴线转动的旋转运动机构,还包括加强直线导轨；增设加强直线导轨,减少支撑杆受到的偏移其轴线的侧向扭力,进而减少支撑杆与穿刺针固定座之间的摩擦力,使支撑杆与固定座的接触部位的磨损减少,保证支撑杆正常运行。(The invention discloses a puncture needle lifting swing arm, which comprises: a puncture needle fixing seat; a puncture needle support frame with a puncture needle arranged at the lower side of one end; a support rod for supporting the puncture needle support frame; the support rod is arranged at one end of the puncture needle support frame, which is far away from the puncture needle, and the support rod is movably assembled on the puncture needle fixing seat; the puncture needle movement mechanism is fixed on the puncture needle fixing seat and used for driving the support rod to move up and down; the rotating motion mechanism is fixed on the puncture needle fixing seat and used for driving the supporting rod to rotate around the axis of the supporting rod, and the strengthening linear guide rail is also included; add and strengthen linear guide, reduce the side direction torsion of its axis of skew that the bracing piece received, and then reduce the frictional force between bracing piece and the pjncture needle fixing base, make the wearing and tearing of the contact site of bracing piece and fixing base reduce, guarantee the bracing piece normal operating.)

1. pjncture needle lift swing arm includes: a puncture needle holder (61);

A puncture needle support frame (62) with a puncture needle is arranged at the lower side of one end;

A support rod (63) for supporting the puncture needle support frame (62);

The supporting rod (63) is arranged at one end, far away from the puncture needle, of the puncture needle supporting frame (62), and the supporting rod (63) is movably assembled on the puncture needle fixing seat (61);

A puncture needle movement mechanism (64) which is fixed on the puncture needle fixing seat (61) and is used for driving the support rod (63) to move up and down; and

A rotary motion mechanism (65) which is fixed on the puncture needle fixing seat (61) and is used for driving the supporting rod (63) to rotate around the axis of the supporting rod;

It is characterized in that the puncture needle lifting swing arm further comprises:

strengthen linear guide (66), strengthen linear guide (66) including first guide arm (661) and first slider (662), first guide arm (661) with first slider (662) movable assembly, first slider (662) are followed the axis direction of first guide arm (661) slides, first slider (662) fixed connection be in on the rotary motion mechanism (65), first guide arm (661) fixed connection be in on pjncture needle support frame (62), first guide arm (661) with bracing piece (63) parallel arrangement.

2. The puncture needle lifting swing arm according to claim 1, wherein the rotary motion mechanism (65) comprises:

A puncture needle rotating synchronous belt mechanism (651) fixed on the puncture needle fixing seat (61);

The lower end rotating seat (652) is coaxially and fixedly connected with a synchronizing wheel of the puncture needle rotating synchronous belt mechanism (651), and the synchronizing wheel of the puncture needle rotating synchronous belt mechanism (651) fixedly connected with the lower end rotating seat (652) is coaxial with the supporting rod (63);

The vertical linear guide rail (653) is fixed at the upper end of the lower end rotating seat (652), the vertical linear guide rail (653) comprises a second guide rod (6531) and a second sliding block (6532), the second guide rod (6531) is fixedly connected with the lower end rotating seat (652), the second guide rod (6531) is movably assembled with the second sliding block (6532), the second sliding block (6532) slides along the axial direction of the second guide rod (6531), and the second guide rod and the support rod (63) are arranged in parallel; and

and the clamping block (654) is fixedly connected to the second sliding block (6532), and one end, far away from the second sliding block (6532), of the clamping block (654) is clamped and fixed with the supporting rod (63).

3. The puncture needle lifting swing arm according to claim 2, wherein the axis of the first guide rod (661) and the axis of the second guide rod (6531) are both located between the axis of the support rod (63) and the axis of the puncture needle.

4. the puncture needle lifting swing arm according to claim 3, wherein one end of the first guide rod (661) far away from the puncture needle support frame (62) is fixedly connected with the clamping block (654); the first sliding block (662) is fixedly connected with the upper end of the second guide rod (6531).

5. The puncture needle lifting swing arm according to claim 1, wherein the puncture needle movement mechanism (64) comprises:

A puncture needle synchronous belt mechanism (641) fixed on the puncture needle fixing seat (61);

An up-and-down motion supporting block (642) fixedly arranged on a synchronous belt of the puncture needle synchronous belt mechanism (641); and

The rotating block (643) is fixedly installed on the up-and-down movement supporting block (642), the rotating block (643) is rotatably connected with the lower end of the supporting rod (63), and a limiting boss is arranged at the position, close to the rotating block (643), of the supporting rod (63).

6. The puncture needle lifting swing arm according to claim 5, wherein a safety rod (67) is fixedly connected to the puncture needle fixing seat (61), the safety rod (67) is arranged in parallel with the support rod (63), and the safety rod (67) penetrates through the up-and-down movement support block (642).

7. The puncture needle lifting swing arm according to claim 6, wherein a supporting spring (68) is sleeved on the lower end part of the safety rod (67).

8. the puncture needle lifting swing arm according to claim 2, wherein the puncture needle rotating timing belt mechanism (651) is located at the lower end of the puncture needle fixing base (61).