CN211449556U

CN211449556U - Two-dimensional high-precision fine-adjustment electric sliding table

Info

Publication number: CN211449556U
Application number: CN201921746537.7U
Authority: CN
Inventors: 于良; 张中然; 李柏炎; 张江涛; 王龙旭
Original assignee: Harbin University of Science and Technology
Current assignee: Harbin University of Science and Technology
Priority date: 2019-10-18
Filing date: 2019-10-18
Publication date: 2020-09-08
Anticipated expiration: 2029-10-18

Abstract

The utility model relates to a machinery slip table field. In order to solve the technical defects in the prior art, the utility model provides a two-dimensional high-precision fine-tuning electric sliding table, which comprises a middle plate, wherein slide rail groups are respectively arranged on the upper surface and the lower surface of the middle plate, the slide rail groups on the upper surface and the lower surface are vertically and crossly arranged, a sliding plate is respectively fixed on each slide rail group, and the sliding plate can freely slide along each slide rail group through a driving device; the driving device comprises two sets of driving devices, the driving devices are vertically and crossly arranged on the upper surface and the lower surface of the middle sliding plate, the driving devices comprise lead screws arranged in parallel with the sliding direction, the lead screws are connected with the stepping motors, lead screw nuts are arranged on the lead screws, and the lead screw nuts and the sliding plates are connected and fixed through connecting blocks. The utility model has the advantages that: this electronic slip table of high accuracy fine setting adopts the motor side direction to arrange in the intermediate lamella, and compact structure does not take place mutual interference during the coupling, and the fine setting precision is effectively ensured.

Description

Two-dimensional high-precision fine-adjustment electric sliding table

Technical Field

The utility model relates to a machinery slip table field specifically is an electronic slip table is finely tuned to two dimension high accuracy.

Background

The screw nut type cross sliding table is widely applied to mechanical transmission equipment with automatic fine adjustment, such as industrial measurement, product laser welding, plate laser cutting, plastic gluing, medical ray scanning, product assembly manipulators and the like. However, when the traditional electric sliding table adopts a gear transmission mode and a synchronous belt transmission mode, the precision is difficult to ensure, the running speed is low, the running noise is high, the electric sliding table is not suitable for linear reciprocating motion, the mechanical abrasion is serious after long-time running, and the electric sliding table needs to be maintained frequently. In addition, some screw nut type cross sliding tables of prior art adopt interactive arrangement, but not compact enough easily causes the mutual influence of coupling work on connection structure, is difficult to obtain the assurance in addition in the precision.

SUMMERY OF THE UTILITY MODEL

For solving the technical defect who exists among the prior art, the utility model provides an electronic slip table is finely tuned to two-dimentional high accuracy reaches compact structure, and is small reasonable, and it is convenient to install, guarantees the precision, can wide application to the technical purpose in the fine setting transmission equipment.

In order to achieve the above object, the utility model adopts the following technical scheme: a two-dimensional high-precision fine-tuning electric sliding table comprises a middle plate, wherein slide rail groups are respectively arranged on the upper surface and the lower surface of the middle plate, the slide rail groups on the upper surface and the lower surface are vertically crossed, sliding plates are respectively fixed on the respective slide rail groups, and the sliding plates can freely slide along the respective slide rail groups through a driving device; the driving device comprises two sets of driving devices, the driving devices are vertically and crossly arranged on the upper surface and the lower surface of the middle sliding plate, the driving devices comprise lead screws arranged in parallel with the sliding direction, the lead screws are connected with the stepping motors, lead screw nuts are arranged on the lead screws, and the lead screw nuts and the sliding plates are connected and fixed through connecting blocks.

Furthermore, the driving device also comprises two support bearings fixed on the surface of the middle plate, the screw rod penetrates through the support bearings and is supported by the support bearings to be connected with the middle plate, and one end of the screw rod is fixedly connected with the stepping motor through a coupler.

Furthermore, the support bearing, the stepping motor and the intermediate plate are connected through an L-shaped fixed seat.

Further, the driving devices of the upper and lower surfaces of the middle plate are respectively installed at the side portions of the middle plate.

Further, be equipped with the screw nut fixed block on the lead screw, the screw nut fixed block is equipped with the shaft hole, and the screw nut is fixed with the shaft hole coaxial coupling of screw nut fixed block, and the lead screw passes screw and the shaft hole of screw nut fixed block of screw nut, and the lead screw is in thread fit with screw of screw nut, the connecting block is fixed on the screw nut fixed block.

The utility model has the advantages that: this electronic slip table of high accuracy fine setting adopts the motor side direction to arrange in the intermediate lamella, and intermediate lamella and upper and lower slide are adjacent in Z to be arranged, compact structure, and mutual interference does not take place during the coupling, and fine setting precision obtains effective guarantee. Wherein the lower sliding plate can be fixedly installed according to the customization of customers, the installation is convenient, and the accurate fine adjustment in two directions of the upper sliding plate X, Y can be realized.

Drawings

Fig. 1 is a schematic structural view of the electric slipway intermediate plate.

Fig. 2 is an overall schematic view of the electric sliding table structure.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and embodiments.

As shown in fig. 2, the two-dimensional high-precision fine-tuning electric sliding table comprises an intermediate plate 1. The structure of the middle plate 1 is shown in the attached figure 1, the upper surface and the lower surface of the middle plate 1 are respectively provided with a slide rail group 2, the slide rail groups 2 on the upper surface and the lower surface are arranged in a vertical crossing manner, and each slide rail group 2 consists of two parallel slide rails.

As shown in figure 1, the driving devices are respectively arranged on the side parts of the upper surface and the lower surface of the middle plate 1, and the two groups of driving devices are consistent in structure and are mutually and vertically crossed in direction arrangement. As shown in fig. 1, the driving device includes a screw rod 3 disposed parallel to the sliding direction, the screw rod 3 is connected to a stepping motor 4, and a screw nut 11 is disposed on the screw rod 3.

Referring to fig. 2, an upper slide plate 5 and a lower slide plate 6 are respectively mounted on the upper and lower surfaces of the middle plate 1, and the upper slide plate 5 and the lower slide plate 6 are respectively embedded in the respective slide rail sets 2. The up-down sliding plate is connected with the screw nut 11 through a connecting block 7. The concrete structure does, be equipped with screw nut fixed block 8 on lead screw 3, the screw nut fixed block is equipped with the shaft hole, and screw nut 11 is fixed with the shaft hole coaxial coupling of screw nut fixed block, and the lead screw passes screw and the shaft hole of screw nut fixed block of screw nut, and screw nut's screw thread fit, connecting block 7 are fixed on screw nut fixed block 8.

According to the description, the lower sliding plate 6 of the fine adjustment electric sliding table can be installed and fixed in different modes according to different application occasions and different customer groups, when the lower sliding plate 6 is fixed, the upper sliding plate 5 can realize linear movement in X, Y two directions through the sliding rail set, and accurate fine adjustment is realized by controlling the stepping motors in the two directions.

This fine setting electric sliding table installs the lateral part at intermediate lamella 1 with drive arrangement in two directions, and the slide rail group realization of upper and lower slide through the upper and lower surface of intermediate lamella is connected, and its compact structure, connection are stable, when carrying out the fine setting operation, do not have mutual interference in X, Y two directions to can guarantee that the slide passes through step motor's drive and realize accurate fine setting.

As shown in fig. 1 and fig. 2, in this embodiment, the further improved mounting structure further includes a support bearing 9 fixed on the surface of the middle plate 1, each lead screw is supported by two support bearings 9, the lead screw passes through the support bearings and is supported by the support bearings to be connected with the middle plate, and one end of the lead screw is connected and fixed with the stepping motor 4 through a coupler 10, so as to ensure the stability of the rotation of the lead screw 3.

As shown in fig. 1 and 2, the support bearing 9, the stepping motor 4 and the intermediate plate 1 are connected through an L-shaped fixing seat 12 to ensure the stability of the connection.

Claims

1. A two-dimensional high-precision fine-tuning electric sliding table comprises a middle plate, wherein slide rail groups are respectively arranged on the upper surface and the lower surface of the middle plate, the slide rail groups on the upper surface and the lower surface are vertically crossed, sliding plates are respectively fixed on the respective slide rail groups, and the sliding plates can freely slide along the respective slide rail groups through a driving device; the driving device comprises two sets of driving devices, the driving devices are vertically and crossly arranged on the upper surface and the lower surface of the middle sliding plate, the driving devices comprise lead screws arranged in parallel with the sliding direction, the lead screws are connected with the stepping motors, lead screw nuts are arranged on the lead screws, and the lead screw nuts and the sliding plates are connected and fixed through connecting blocks.

2. The two-dimensional high-precision fine-tuning electric sliding table according to claim 1, is characterized in that: the driving device further comprises supporting bearings fixed to the surface of the middle plate, the supporting bearings are two, the screw penetrates through the supporting bearings and is supported by the supporting bearings to be connected with the middle plate, and one end of the screw is fixedly connected with the stepping motor through a coupler.

3. The two-dimensional high-precision fine-tuning electric sliding table according to claim 2, is characterized in that: the support bearing, the stepping motor and the middle plate are connected through an L-shaped fixed seat.

4. The two-dimensional high-precision fine-tuning electric sliding table according to claim 1, is characterized in that: the driving devices on the upper surface and the lower surface of the middle plate are respectively arranged on the side parts of the middle plate.

5. The two-dimensional high-precision fine-tuning electric sliding table according to claim 1 or 2, characterized in that: the lead screw is provided with a lead screw nut fixing block, the lead screw nut fixing block is provided with a shaft hole, the lead screw nut is coaxially connected and fixed with the shaft hole of the lead screw nut fixing block, the lead screw penetrates through a screw hole of the lead screw nut and the shaft hole of the lead screw nut fixing block, the lead screw is in threaded fit with the screw hole of the lead screw nut, and the connecting block is fixed on the lead screw nut fixing block.