Limiting machining contour tool

Abstract

The utility model relates to the technical field of casing machining, in particular to a limit machining contour tool, and aims to solve the technical problems that in the prior art, when a complex contour of a casing shell is machined, waste products are prone to occurring, and machining cost is increased. The limit machining contour tool comprises a bottom plate, a limit plate is connected to the bottom plate, and the lower surface of a workpiece can be buckled on the limit plate in a matched mode. A plurality of first positioning pins are connected to the bottom plate, first positioning holes and second positioning holes are formed in the cover plate, the first positioning holes, the workpiece holes and the first positioning pins are in clearance fit, the workpiece is located on the lower portion of the cover plate, studs are arranged in the second positioning holes, the studs are connected to the limiting plate, and the studs penetrate through the workpiece and are fastened to the upper surface of the cover plate through nuts. The cover plate and the limiting plate are matched to quickly position the workpiece, the cover plate is used as a coordinate reference for machining the contour of the workpiece in numerical control machining, the quality is improved, the working efficiency is improved, the machining period is shortened, the workpiece can be produced and repeatedly used in batches when installed on a machine tool according to the specified workpiece, and the cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of casing processing, and specifically relates to a position-limiting processing contour tool. Background Art

[0002] The receiver housing has a complex three-dimensional geometry, containing multiple chambers, curved surfaces, and high-precision mounting interfaces. For example, some receiver housings have irregular internal chamber shapes, and the walls require very high dimensional accuracy and surface quality. Traditional machining methods are prone to dimensional deviation when machining these complex shapes.

[0003] In the prior art, when processing a relatively complex contour of a casing, waste products are easily generated, processing costs are increased, and delivery cycles are affected. The present invention solves the above problems. Utility Model Content

[0004] In order to solve the technical problem in the prior art that waste products are easily generated and processing costs are increased when processing a relatively complex contour of a casing shell, the utility model provides a position-limiting contour processing tool.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: including: a base plate, a limiting plate connected to the base plate, the lower surface of the workpiece can be fitted and buckled on the limiting plate, a plurality of positioning pins are connected to the base plate, a positioning hole 1 and a positioning hole 2 are provided on the cover plate, the positioning hole 1, the workpiece hole and the positioning pin 1 have a clearance fit, the workpiece is located at the lower part of the cover plate, a stud is provided in the positioning hole 2, the stud is connected to the limiting plate, the stud passes through the workpiece and is fastened to the upper surface of the cover plate by a nut.

[0006] Preferably, a second positioning pin is connected to the bottom plate, and the second positioning pin is clearance-matched with the workpiece hole.

[0007] Preferably, the four sides of the upper surface of the bottom plate are respectively connected with fixing frames, the internal threads of the fixing frames are connected with limiting studs, and the outer ends of the limiting studs are connected with rotating handles.

[0008] Preferably, a lifting handle is connected to the upper surface of the cover.

[0009] Compared with the prior art, the beneficial effects of the present invention are:

[0010] The workpiece is quickly positioned by cooperating with the cover plate and the limit plate, and the CNC machining uses the cover plate as the coordinate reference to process the workpiece contour.

[0011] 1. In the production process, the quality is improved, the work efficiency is increased and the processing cycle is shortened;

[0012] 2. When installed on a machine tool, it can be used repeatedly in batch production for designated workpieces, thus reducing costs;

[0013] 3. The utility model has high production efficiency and low production waste rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the structure of the utility model Figure 1 ;

[0015] Figure 2 This is a schematic diagram of the structure of the utility model Figure 2 .

[0016] In the figure: base plate 1; limiting plate 2; positioning pin 1 3; cover plate 4; positioning hole 1 5; positioning hole 2 6; stud 7; positioning pin 2 8; fixing frame 9; limiting stud 10; rotating handle 11; pulling handle 12. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0018] The present invention will be described in detail below with reference to the accompanying drawings. Example

[0019] The following is combined with Figure 1-2 The present embodiment describes a position-limiting contour tooling, comprising: a base plate 1, a position-limiting plate 2 connected to the base plate 1, the lower surface of the workpiece being capable of fittingly snapping onto the position-limiting plate 2, a plurality of positioning pins 1 3 connected to the base plate 1, a positioning hole 1 5 and a positioning hole 2 6 being formed on the cover plate 4, the positioning hole 1 5, the workpiece hole, and the positioning pin 1 3 being clearance-matched, the workpiece being located at the lower portion of the cover plate 4, a stud 7 being provided in the positioning hole 2 6, the stud 7 being connected to the position-limiting plate 2, the stud 7 passing through the workpiece and being fastened to the upper surface of the cover plate 4 via a nut;

[0020] When clamping the workpiece, snap the lower surface of the workpiece onto the limit plate 2, and snap the workpiece hole onto the positioning pin 3 to complete the preliminary positioning. Snap the cover plate 4 onto the upper part of the workpiece, and snap the positioning hole 5 of the cover plate 4 onto the positioning pin 3. At this time, the stud 7 is located in the positioning hole 2 6. The cover plate 4 is tightened and positioned by the nut and the stud 7. At this time, the workpiece is completely positioned, and the CNC machining uses the cover plate as the coordinate reference to process the workpiece to complete precise machining.

[0021] The bottom plate 1 is connected with a second positioning pin 8, which is clearance-matched with the workpiece hole;

[0022] Make the positioning of the workpiece more accurate and the connection strength higher.

[0023] The four sides of the upper surface of the bottom plate 1 are respectively connected to the fixing frame 9, the fixing frame 9 is internally threadedly connected to the limit stud 10, and the outer end of the limit stud 10 is connected to the rotating handle 11;

[0024] Make the positioning of the workpiece more accurate and the connection strength higher.

[0025] A lifting handle 12 is connected to the upper surface of the cover plate 4;

[0026] The cover 4 can be removed more conveniently and quickly.

[0027] In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "connected," and "fixed" should be understood in a broad sense. For example, they may refer to fixed connection, detachable connection, or integration; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; and internal communication between two components or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention in specific circumstances.

[0028] The standard parts used in the present invention can all be purchased from the market, and special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the existing technology. The machinery, parts and equipment all adopt conventional models in the existing technology, and the circuit connection adopts the conventional connection method in the existing technology, which will not be described in detail here.

[0029] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A tool for limiting contour processing, characterized by: include: A bottom plate (1) is connected to a limiting plate (2) on the bottom plate (1), and the lower surface of the workpiece can be fitted and buckled on the limiting plate (2). A plurality of positioning pins (3) are connected to the bottom plate (1), and a positioning hole (5) and a positioning hole (6) are provided on the cover plate (4). The positioning hole (5), the workpiece hole and the positioning pin (3) are clearance-matched. The workpiece is located at the lower part of the cover plate (4), and a stud (7) is provided in the positioning hole (6). The stud (7) is connected to the limiting plate (2), and the stud (7) passes through the workpiece and is fastened to the upper surface of the cover plate (4) through a nut.

2. A position limiting contour processing tool according to claim 1, characterized in that: The base plate (1) is connected to a second positioning pin (8), which is clearance-matched with the workpiece hole.

3. The position limiting contour processing tool according to claim 1, characterized in that: The four sides of the upper surface of the bottom plate (1) are respectively connected to fixing frames (9), the fixing frames (9) are internally threadedly connected to limiting studs (10), and the outer ends of the limiting studs (10) are connected to rotating handles (11).

4. The position limiting contour processing tool according to claim 1, characterized in that: A lifting handle (12) is connected to the upper surface of the cover plate (4).

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