Positioning device for workpiece with top face to be machined

Abstract

A positioning device for a workpiece with the top face to be machined comprises a supporting base, a pressing mechanism, a lifting mechanism and a rotating mechanism, a first positioning hole is formed in the supporting base, the diameter of the first positioning hole is matched with the diameter of a bottom column of a cylindrical workpiece, the pressing mechanism comprises a first pressing plate and a rotating shaft arranged at the bottom of the first pressing plate, and the lifting mechanism is arranged on the rotating shaft. A first machining avoiding hole matched with a to-be-machined part of a top flange of the cylindrical workpiece is formed in the first pressing plate, the rotating shaft is located on one side of the first machining avoiding hole, the rotating shaft is movably arranged on the supporting base in a penetrating mode and located on one side of the top flange of the cylindrical workpiece, and the lifting mechanism is used for driving the rotating shaft to ascend and descend. The rotating mechanism is used for driving the rotating shaft to rotate. The positioning device has the advantages that the first pressing plate does not need to be manually disassembled for many times, the structure is simple, time and labor are saved, and the positioning efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to positioning frock technical field, concretely relates to a positioning device of top surface workpiece to be processed. BACKGROUND

[0002] The cylindrical workpiece to be processed includes a bottom column and a top flange, and the middle part of the top flange needs to be shaped during processing. The existing positioning method generally uses a positioning assembly to press the workpiece tightly on a supporting assembly, and then a locking piece is used for locking. This kind of positioning method needs manual disassembly and adjustment of the positioning assembly every time positioning is performed, which is low in efficiency and troublesome to operate. In addition, some positioning assemblies can only position one workpiece at a time, resulting in a small number of workpieces processed in a single batch and reducing the processing efficiency. SUMMARY

[0003] The utility model wants to solve the technical problem of overcoming the prior art, and provides a positioning device which does not need manual disassembly of the first pressing plate multiple times, is simple in structure, saves time and effort, and improves the positioning efficiency.

[0004] To solve the above technical problems, the utility model adopts the following technical scheme:

[0005] A positioning device for a top surface workpiece to be processed, comprising a supporting seat, a pressing mechanism, a lifting mechanism and a rotating mechanism, the supporting seat is provided with a first positioning hole, the diameter of the first positioning hole matches the diameter of the bottom column of the cylindrical workpiece, the pressing mechanism comprises a first pressing plate and a rotating shaft arranged at the bottom of the first pressing plate, the first pressing plate is provided with a first machining avoidance hole matched with the part to be machined of the top flange of the cylindrical workpiece, the rotating shaft is located on one side of the first machining avoidance hole, the rotating shaft is movably arranged on the supporting seat and located on one side of the top flange of the cylindrical workpiece, the lifting mechanism is used to drive the rotating shaft to lift, and the rotating mechanism is used to drive the rotating shaft to rotate.

[0006] As a further improvement of the above technical scheme:

[0007] The supporting seat is also provided with a second positioning hole, the second positioning hole is symmetrically arranged with the first positioning hole about the rotating shaft, the pressing mechanism further comprises a second pressing plate, the second pressing plate is symmetrically arranged with the first pressing plate about the rotating shaft, and the second pressing plate is also provided with a second machining avoidance hole matched with the part to be machined of the top flange of the cylindrical workpiece.

[0008] The pressing mechanism further comprises a connecting plate, both ends of the connecting plate are connected with the first pressing plate and the second pressing plate respectively, and the rotating shaft is arranged on the connecting plate.

[0009] The connecting plate is provided with an avoidance part on both sides for avoiding the top flange of the cylindrical workpiece.

[0010] The lifting mechanism comprises a lifting seat and a plurality of lifting cylinders, one end of the plurality of lifting cylinders is connected with the support seat, the other end is connected with the lifting cylinder, the rotating mechanism is arranged on the lifting seat, and the rotating shaft is connected with the output end of the rotating mechanism.

[0011] The support seat comprises a bottom plate, a top plate and a plurality of support columns for connecting the bottom plate and the top plate, the first positioning hole is arranged on the top plate, the rotating shaft is movably arranged on the top plate, and the lifting cylinder is connected with the top plate.

[0012] Both ends of the support column are detachably connected with the bottom plate and the top plate.

[0013] The rotating mechanism is a rotating cylinder.

[0014] The lifting cylinder is detachably connected with the lifting seat and the support seat.

[0015] The first pressing plate, the rotating shaft, the second pressing plate, the first positioning hole, the second positioning hole, the lifting mechanism and the rotating mechanism are arranged in multiple along the length direction of the support seat.

[0016] Compared with the prior art, the positioning device for the top surface workpiece to be machined has the advantages that:

[0017] The positioning device for the top surface workpiece to be machined disclosed by the utility model, first positioning hole carries out preliminary positioning to cylindrical workpiece, then utilizes elevator and rotating mechanism to drive first pressing plate to lift and rotate, can press tightly or avoid to cylindrical workpiece, need not manual multiple dismounting first pressing plate, simple structure, save time and effort, improve positioning efficiency. ACCURACY OF DRAWINGS

[0018] Fig. 1 It is the three-dimensional structure schematic view of the positioning device for the top surface workpiece to be machined.

[0019] Fig. 2 It is the main view structural schematic view of the positioning device for the top surface workpiece to be machined.

[0020] Fig. 3 It is the planar view structural schematic view of the positioning device for the top surface workpiece to be machined.

[0021] Fig. 4 It is the explosion structural schematic view of the positioning device for the top surface workpiece to be machined.

[0022] The numbers in the figure represent: 1, support seat; 11, bottom plate; 12, top plate; 13, support column; 2, pressing mechanism; 21, first pressing plate; 211, first machining avoidance hole; 22, rotating shaft; 23, second pressing plate; 231, second machining avoidance hole; 24, connecting plate; 241, avoidance part; 3, lifting mechanism; 31, lifting seat; 32, lifting cylinder; 4, rotating mechanism; 51, first positioning hole; 52, second positioning hole; 6, cylindrical workpiece. DETAILED DESCRIPTION

[0023] The utility model will be explained in further detail below in combination with the drawings and specific embodiments.

[0024] In the description of the utility model, it is understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0025] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features defined as "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0026] In the utility model, unless otherwise specifically defined and limited, the terms "assembly", "connection", "connection", "fixing" and the like should be broadly understood, for example, can be fixedly connected, can be detachably connected, or integrated; can be mechanically connected, or electrically connected; can be directly connected, or indirectly connected through an intermediate medium; can be the internal communication of two elements or the interaction relationship of two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0027] Figs. 1 to 4An embodiment of the utility model discloses positioning device of top surface workpiece to be processed is shown, the positioning device of top surface workpiece to be processed of this embodiment, including support seat 1, press mechanism 2, lifting mechanism 3 and rotating mechanism 4, be equipped with first locating hole 51 on support seat 1, the diameter of first locating hole 51 is matched with the bottom column diameter of cylindrical workpiece 6, press mechanism 2 includes first pressing plate 21 and the pivot 22 of being equipped with at first pressing plate 21 bottom, first pressing plate 21 is opened with the first processing avoidance hole 211 of matching cylindrical workpiece 6 top flange processing part, pivot 22 is located at one side of first processing avoidance hole 211, pivot 22 is movably arranged on support seat 1, and is located at one side of cylindrical workpiece 6 top flange, lifting mechanism 3 is used to drive pivot 22 to lift, rotating mechanism 4 is used to drive pivot 22 to rotate.

[0028] The positioning process of the positioning device of top surface workpiece to be processed is as follows: the cylindrical workpiece 6 is placed in the first locating hole 51, the lifting mechanism 3 drives the first pressing plate 21 to rise, and then the rotating mechanism 4 drives the first pressing plate 21 to rotate to above the top flange of the cylindrical workpiece 6, after the first processing avoidance hole 211 corresponds to the top flange processing part, the lifting mechanism 3 drives the first pressing plate 21 to descend and press the top flange of the cylindrical workpiece 6 to complete the pressing positioning, since the first pressing plate 21 is provided with the first processing avoidance hole 211, the top flange processing part of the cylindrical workpiece 6 is exposed, which is convenient for processing, after processing, the lifting mechanism 3 drives the first pressing plate 21 to rise, the rotating mechanism 4 drives the first pressing plate 21 to rotate, and the first pressing plate 21 is separated from above the cylindrical workpiece 6, and the processed cylindrical workpiece 6 can be taken out.

[0029] The positioning device of top surface workpiece to be processed, the first locating hole 51 preliminarily positions the cylindrical workpiece 6, then the lifting mechanism 3 and the rotating mechanism 4 drive the first pressing plate 21 to lift and rotate, so that the cylindrical workpiece 6 can be pressed or avoided, without manually disassembling the first pressing plate 21 for multiple times, so that the positioning efficiency is improved.

[0030] Further preferably, in the embodiment, the support seat 1 is further provided with a second locating hole 52, the second locating hole 52 is symmetrically arranged with the first locating hole 51 about the pivot 22, the press mechanism 2 further includes a second pressing plate 23, the second pressing plate 23 is symmetrically arranged with the first pressing plate 21 about the pivot 22, and the second pressing plate 23 is also provided with a second processing avoidance hole 231 matched with the top flange processing part of the cylindrical workpiece 6. Once lifting and rotating, the two cylindrical workpieces 6 can be pressed or avoided, further improving the positioning efficiency.

[0031] Further preferably, in the embodiment, the pressing mechanism 2 further comprises a connecting plate 24, two ends of the connecting plate 24 are connected with the first pressing plate 21 and the second pressing plate 23 respectively, and the rotating shaft 22 is arranged on the connecting plate 24. The connecting plate 24 connects the first pressing plate 21 and the second pressing plate 23, and the rotating shaft 22 is arranged on the connecting plate 24, so that the rotating shaft 22 can simultaneously drive the first pressing plate 21 and the second pressing plate 23 to rotate, and the efficiency is high.

[0032] Further preferably, in the embodiment, the connecting plate 24 is provided with an avoiding portion 241 on both sides for avoiding the top flange of the cylindrical workpiece 6. The connecting plate 24 avoids interference with the cylindrical workpiece 6 when the cylindrical workpiece 6 is taken out.

[0033] Further preferably, in the embodiment, the lifting mechanism 3 comprises a lifting seat 31 and a plurality of lifting cylinders 32, one end of the plurality of lifting cylinders 32 is connected with the support seat 1, the other end is connected with the lifting cylinder 32, the rotating mechanism 4 is arranged on the lifting seat 31, and the rotating shaft 22 is connected with the output end of the rotating mechanism 4. The lifting cylinder 32 drives the lifting seat 31 to lift, drives the rotating mechanism 4 to lift, and finally drives the pressing mechanism 2 to lift, and at the same time, the rotating mechanism 4 can also drive the pressing mechanism 2 to rotate.

[0034] Further preferably, in the embodiment, the support seat 1 comprises a bottom plate 11, a top plate 12 and a plurality of support columns 13 for connecting the bottom plate 11 and the top plate 12, the first positioning hole 51 is arranged on the top plate 12, the rotating shaft 22 is movably arranged on the top plate 12, and the lifting cylinder 32 is connected with the top plate 12. The distance between the bottom plate 11 and the top plate 12 facilitates the installation of the lifting mechanism 3 and the rotating mechanism 4. Specifically, the distance between the bottom plate 11 and the top plate 12 is greater than the length of the bottom column of the cylindrical workpiece 6.

[0035] Further preferably, in the embodiment, the two ends of the support column 13 are detachably connected with the bottom plate 11 and the top plate 12 respectively. It is convenient for disassembly and assembly.

[0036] Further preferably, in the embodiment, the rotating mechanism 4 is a rotating cylinder. The structure is simple and convenient to maintain.

[0037] Further preferably, in the embodiment, the lifting cylinder 32 is detachably connected with the lifting seat 31 and the support seat 1. It is convenient for disassembly, assembly and replacement.

[0038] Further preferably, in the embodiment, the first pressing plate 21, the rotating shaft 22, the second pressing plate 23, the first positioning hole 51, the second positioning hole 52, the lifting mechanism 3 and the rotating mechanism 4 are all arranged in multiple along the length direction of the support seat 1. A plurality of cylindrical workpieces 6 can be positioned at one time, and the positioning and processing efficiency is further improved.

[0039] Although the utility model has disclosed as above with preferable embodiments, however, is not used to limit the utility model. Any skilled person in the art, without departing from the utility model technical scheme range, can utilize the above disclosed technical content to make many possible changes and modifications to the utility model technical scheme, or modify as equivalent variation equivalent embodiment. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the utility model, which does not deviate from the content of the utility model technical scheme, should fall within the scope of protection of the utility model technical scheme.

Claims

1. A positioning device for a workpiece to be machined on its top surface, characterized in that: The utility model provides a kind of cylindrical workpiece flange machining device, including support seat (1), pressing mechanism (2), lifting mechanism (3) and rotating mechanism (4), the first positioning hole (51) is equipped on the support seat (1), the diameter of the first positioning hole (51) is matched with the bottom column diameter of cylindrical workpiece (6), the pressing mechanism (2) includes first pressing plate (21) and the rotating shaft (22) of being equipped in the bottom of first pressing plate (21), the first pressing plate (21) is opened with the first machining avoidance hole (211) of being matched with the top flange of cylindrical workpiece (6) top flange to be processed part, the rotating shaft (22) is located in the side of first machining avoidance hole (211), the rotating shaft (22) is movably worn on the support seat (1), and it is located in the side of the top flange of cylindrical workpiece (6), the lifting mechanism (3) is used to drive rotating shaft (22) to lift, and the rotating mechanism (4) is used to drive rotating shaft (22) to rotate.

2. The apparatus of claim 1 wherein: The second positioning hole (52) is also equipped on the support seat (1), the second positioning hole (52) is symmetrically arranged with the first positioning hole (51) about rotating shaft (22), the pressing mechanism (2) further includes second pressing plate (23), the second pressing plate (23) is symmetrically arranged with the first pressing plate (21) about rotating shaft (22), and the second pressing plate (23) is also equipped with the second machining avoidance hole (231) matched with the top flange of cylindrical workpiece (6) top flange to be processed part.

3. The apparatus of claim 1 wherein: The pressing mechanism (2) further includes connecting plate (24), and the two ends of the connecting plate (24) are connected with the first pressing plate (21) and the second pressing plate (23) respectively, and the rotating shaft (22) is arranged on the connecting plate (24).

4. The apparatus of claim 3 wherein: The two sides of the connecting plate (24) are provided with avoidance portions (241) for avoiding the top flange of the cylindrical workpiece (6).

5. A device for positioning a workpiece to be machined on its top face according to any one of claims 1 to 4, characterized in that: The lifting mechanism (3) includes a lifting seat (31) and a plurality of lifting cylinders (32), one end of the plurality of lifting cylinders (32) is connected with the support seat (1), the other end is connected with the lifting cylinder (32), the rotating mechanism (4) is arranged on the lifting seat (31), and the rotating shaft (22) is connected with the output end of the rotating mechanism (4).

6. The apparatus of claim 5 wherein: The support seat (1) includes a bottom plate (11), a top plate (12), and a plurality of support columns (13) for connecting the bottom plate (11) and the top plate (12), the first positioning hole (51) is arranged on the top plate (12), the rotating shaft (22) is movably arranged on the top plate (12), and the lifting cylinder (32) is connected with the top plate (12).

7. The apparatus of claim 6 wherein: The two ends of the support column (13) are detachably connected with the bottom plate (11) and the top plate (12) respectively.

8. The apparatus of claim 5 wherein: The rotating mechanism (4) is a rotating cylinder.

9. The apparatus of claim 5 wherein: The lifting cylinder (32) is detachably connected with the lifting seat (31) and the support seat (1).

10. A device for positioning a workpiece having a top surface to be machined according to any one of claims 2 to 4, characterized in that: The first pressing plate (21), the rotating shaft (22), the second pressing plate (23), the first positioning hole (51), the second positioning hole (52), the lifting mechanism (3), and the rotating mechanism (4) are spaced apart in the length direction of the support seat (1).

Images