Lifting positioning mechanism

Abstract

The utility model belongs to the technical field of photovoltaic industry, and discloses a lifting positioning mechanism. Comprising a lifting base, a lifting air cylinder is arranged on the lifting base, the top end of an air cylinder rod of the lifting air cylinder is connected with a positioning base, and the positioning base and the lifting base are connected through a guide column and a bearing; the two ends of the positioning base are each provided with a limiting block, the inner side of each limiting block is provided with a positioning cylinder, the upper ends of the positioning cylinders are provided with positioning plates, and the top ends of cylinder rods of the positioning cylinders penetrate through the positioning plates and then are connected with the positioning blocks. The lifting positioning mechanism can accurately position the crystal support, so that the crystal support can be stably and accurately positioned, the crystal support is not loosened, the stability and the accuracy of processing the working condition of the crystal support are provided, and the precision of a product is greatly improved. And the structure is simple, operation is convenient, and the set structure is compact. And operation and setting are facilitated.

Description

TECHNICAL FIELD

[0001] The utility model belongs to photovoltaic industry technical field, the utility model relates to lifting positioning mechanism. BACKGROUND

[0002] In the production and processing of the crystal holder, the lifting positioning of the crystal holder is a very key link, and the positioning precision directly affects the quality of the subsequent processing procedure and the final performance of the product.

[0003] At present, the existing crystal holder lifting positioning technology has many obvious defects. From the aspect of positioning precision, the existing positioning device usually adopts relatively simple two-end rough positioning or several-point simple rough positioning to realize positioning, and it is difficult to realize high-precision positioning of the crystal holder. In actual operation, due to the inaccurate and unstable positioning, the crystal holder is prone to deviation in the lifting process, and may be displaced due to the micro vibration and shaking of the mechanism, resulting in inaccurate processing position, and further affecting the consistency and yield of the product. UTILITY MODEL CONTENTS

[0004] The utility model aims at overcoming the deficiencies in the above background technology, and provides a lifting positioning mechanism, which can accurately position the crystal holder, realizes stable and accurate positioning, and provides the stability and accuracy of the crystal holder working condition, greatly improves the precision of the product. The structure is simple, convenient to operate, and compact. It is beneficial to operation and setting.

[0005] The utility model solves the technical problems by adopting the following technical scheme: a lifting positioning mechanism, comprising a lifting base, a lifting cylinder is arranged on the lifting base, the top end of the cylinder rod of the lifting cylinder is connected with a positioning base, the positioning base and the lifting base are connected through guide columns and bearings; one limiting block is arranged at each end of the positioning base, one positioning cylinder is arranged in the inner side of each limiting block, a positioning plate is arranged at the upper end of the positioning cylinder, and the top end of the cylinder rod of the positioning cylinder is connected with the limiting block after penetrating through the positioning plate.

[0006] The setting height of the positioning plate is lower than the height of the limiting block.

[0007] A crystal holder limiting protrusion is arranged on each limiting block.

[0008] The top end of the cylinder rod of the positioning cylinder is connected with the limiting block through a connecting piece.

[0009] The limiting block is in a strip shape, the width of the limiting block is smaller than the width of the narrow edge of the crystal holder groove, and the length of the limiting block is greater than the width of the narrow edge of the crystal holder groove.

[0010] The top end of the cylinder rod of the lifting cylinder is connected with the positioning base through a connecting block.

[0011] The lifting positioning mechanism can be fixed on the frame through the lifting base.

[0012] The lifting positioning mechanism is further provided with a PLC control system, the lifting cylinder and the positioning cylinder are connected with the PLC control system respectively, and the specific model is not limited as long as the working function is realized.

[0013] Compared with the prior art, the lifting positioning mechanism has the beneficial effects that:

[0014] The lifting positioning mechanism can accurately position the crystal holder, realize stable and accurate positioning, and provide stability and accuracy of the crystal holder working condition, greatly improve the accuracy of the product. BRIEF DESCRIPTION OF DRAWINGS

[0015] The utility model is further described below in combination with the drawings and examples:

[0016] Fig. 1 It is the perspective view of the lifting positioning mechanism of the utility model.

[0017] Fig. 2 It is the side view of the lifting positioning mechanism of the utility model.

[0018] In the figure, 1 is a lifting base, 2 is a positioning base, 3 is a lifting cylinder, 4 is a positioning block, 5 is a positioning cylinder, 6 is a limiting block, and 7 is a positioning plate. DETAILED DESCRIPTION

[0019] The utility model is further described below in combination with the drawings and examples:

[0020] Example 1

[0021] A kind of lifting positioning mechanism, as shown in Figs. 1-2 Fig. 1 is a lifting base, 2 is a positioning base, 3 is a lifting cylinder, 4 is a positioning block, 5 is a positioning cylinder, 6 is a limiting block, and 7 is a positioning plate.

[0022] The setting height of the positioning plate 7 is lower than the height of the limiting block 6.

[0023] Each limiting block 6 is provided with a crystal holder limiting protrusion.

[0024] The cylinder rod top of the positioning cylinder 5 is connected with the positioning block 4 through a connecting piece.

[0025] The positioning block 4 is long strip-shaped, and the width of the positioning block 4 is less than the width of the narrow side of the wafer holder groove, and the length of the positioning block 4 is greater than the width of the narrow side of the wafer holder groove.

[0026] The top end of the cylinder rod of the lifting cylinder 3 is connected with the positioning base 2 through a connecting block.

[0027] The lifting positioning mechanism is also provided with a PLC control system, the lifting cylinder 3 and the positioning cylinder 5 are respectively connected with the PLC control system, and the specific model is not limited, and the working function is realized.

[0028] In specific work, the lifting positioning mechanism is fixed on the frame, the gripper (existing equipment, which can realize grabbing and carrying, and is not specially limited) is driven by a robot or a truss to carry the wafer holder, i.e. the workpiece, to the lifting positioning mechanism, or the workpiece is conveyed by an existing conveying roller to the front of the lifting positioning mechanism, and the conveying roller is taken as an example in the work description, the lifting cylinder 3 starts to work, the cylinder rod of the lifting cylinder 3 extends upwards to drive the positioning base 2 to move upwards, and the long groove of the wafer holder is coarsely positioned by the wafer limiting protrusions arranged on the limiting block 6 at both ends, at this time, the cylinder rod of the positioning cylinder 5 drives the positioning block 4 to rotate 90 degrees in the wafer holder groove, and the wafer holder is locked and positioned. After positioning, other equipment (existing equipment such as glue scraping and polishing or manual operation) can process the wafer holder, after processing, the lifting positioning mechanism drives the workpiece to move downwards to the conveying roller, and the cylinder rod of the positioning cylinder 5 drives the positioning block 4 to rotate 90 degrees in the wafer holder groove, and the workpiece is released, and the conveying roller 4 conveys the workpiece to the front to the next process.

[0029] Although the utility model has been described in detail above by general description and specific embodiments, some modifications or improvements can be made on the basis of the utility model, which is obvious to those skilled in the art. Therefore, these modifications or improvements made on the basis of not deviating from the spirit of the utility model all belong to the scope of protection required by the utility model.

Claims

1. A lifting positioning mechanism, characterized in that, The utility model provides a kind of lifting device, including lifting base (1), be provided with lifting cylinder (3) on lifting base (1), the top end of the cylinder rod of lifting cylinder (3) is connected with positioning base (2), and positioning base (2) and lifting base (1) are connected by guide pillar and bearing;Positioning base (2) is provided with one limit block (6) in each of two ends, and one positioning cylinder (5) is provided in the inside of each limit block (6), and the upper end of positioning cylinder (5) is provided with positioning plate (7), and the top end of the cylinder rod of positioning cylinder (5) is connected with limit block (4) after being penetrated through positioning plate (7);Crystal holder limiting protrusion is set on each limit block (6).

2. A lifting and positioning mechanism as claimed in claim 1, characterized in that The setting height of positioning plate (7) is lower than the height of limit block (6).

3. A lifting and positioning mechanism as claimed in claim 1, characterized in that The top end of the cylinder rod of positioning cylinder (5) is connected with limit block (4) by connecting piece.

4. A lifting and positioning mechanism as claimed in claim 1, characterized in that Limit block (4) is long strip, and the width of limit block (4) is less than the width of crystal holder groove narrow side, and the length of limit block (4) is greater than the width of crystal holder groove narrow side.

5. A lifting and positioning mechanism as claimed in claim 1, characterized in that The top end of the cylinder rod of lifting cylinder (3) is connected with positioning base (2) by connecting block.

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