一种精密升降平台

Abstract

本实用新型涉及升降平台技术领域，且公开了一种精密升降平台；本新型方案，包括壳体，所述壳体的顶部贯穿开设有第一通孔，所述第一通孔内设置有丝杆，所述丝杆的顶部贯穿壳体的顶部并连接有置物台，所述丝杆的底部贯穿壳体的底部并连接有限位盘，所述壳体的底部安装有外套管，所述外套管套接在丝杆和限位盘的外侧，所述置物台与壳体之间安装有伸缩波纹管；本实用新型通过外套管与伸缩波纹管的相互配合对丝杆暴露在壳体外侧的部分进行保护，以此避免其与外部灰尘和碎屑相接触影响其升降精度，并且外套管与伸缩波纹管采用可拆卸设计，无需复杂工具即可完成拆装，以此便于定期对丝杆进行清洁、润滑或检修。

Claims

1. A precision lift platform, characterized by, The device includes a housing (1), with a first through hole at the top. A lead screw (19) is installed in the first through hole. The top of the lead screw (19) passes through the top of the housing (1) and is connected to a shelf (14). The bottom of the lead screw (19) passes through the bottom of the housing (1) and is connected to a limiting plate (191). An outer sleeve (11) is installed at the bottom of the housing (1). The outer sleeve (11) is fitted around the outside of the lead screw (19) and the limiting plate (191). A telescopic bellows (13) is installed between the platform (14) and the housing (1). The telescopic bellows (13) is located on the outer ring of the lead screw (19). A connecting ring (15) is uniformly sleeved on the outer side of the telescopic bellows (13). A set of fixing ears (16) is provided on both the left and right sides of the connecting ring (15). A guide rod (12) is provided in the fixing ear (16). Two sets of guide holes are uniformly opened through the top of the housing (1). The bottom of the guide rod (12) is set in the guide hole.

2. The precision lift platform of claim 1, wherein: The top of the outer sleeve (11) is provided with a third flange ring (172), and a third bolt (182) is evenly arranged inside the third flange ring (172). The bottom of the housing (1) is evenly provided with a first threaded hole, and the third bolt (182) is screwed into the first threaded hole.

3. The precision lift platform of claim 1, wherein: The bottom of the shelf (14) is provided with a mounting ring (141), the top of the lead screw (19) is inserted into the mounting ring (141), the front side of the mounting ring (141) is provided with a second through hole, the front side of the lead screw (19) is provided with a second threaded hole, a fourth bolt (142) is provided in the second through hole, and the fourth bolt (142) is screwed into the second threaded hole.

4. The precision lift platform of claim 3, wherein: The upper and lower sides of the telescopic corrugated pipe (13) are respectively provided with a second flange ring (171) and a first flange ring (17). The second flange ring (171) and the first flange ring (17) are respectively uniformly provided with a second bolt (181) and a first bolt (18). The top of the housing (1) is uniformly provided with a third threaded hole, and the bottom of the platform (14) is uniformly provided with a fourth threaded hole.

5. A precision lift platform as claimed in claim 4, wherein: The first bolt (18) is screwed into the third threaded hole, the second bolt (181) is screwed into the fourth threaded hole, and the second flange ring (171) is located on the outer ring of the mounting ring (141) and the fourth bolt (142).

6. The precision lift platform of claim 1, wherein: The housing (1) is provided with a worm gear (2) and a worm (23) inside. The left and right sides of the worm (23) pass through the left and right sides of the housing (1) respectively. The top of the worm gear (2) is provided with an installation port. A nut (22) is provided in the installation port. The nut (22) is screwed to the outside of the lead screw (19). The worm (23) is located in front of the worm gear (2) and meshes with the worm gear (2). Guide grooves are evenly provided on the outside of the lead screw (19). Guide blocks (21) are evenly provided on the inner wall of the first through hole. The guide blocks (21) are provided in the guide grooves.

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