Multifunctional precision positioning tool jig

Abstract

The utility model provides a kind of multifunctional precision positioning tooling jig, it is related to engine shell processing technical field, and it includes: positioning base, the upper end middle part of positioning base is equipped with inner connecting hole, the lower end of inner connecting hole is fixedly connected with communicating pipe, the upper end of positioning base is equipped with inner rack, the middle part of inner rack upper end is fixedly connected with inner support frame, the side of inner support frame is fixedly connected with side support frame;In the utility model, through the setting of inner support frame and side support frame, engine shell is supported and limited, engine shell cannot be moved, because in casting processing, the internal area of engine shell is fixed, without burr, in this way, after installation, the position of each engine shell is fixed, without repositioning, in this way, subsequent processing use can be facilitated, improve processing efficiency, reduce positioning difficulty, while accurate positioning can be achieved, facilitate processing.

Description

TECHNICAL FIELD

[0001] The utility model relates to engine shell processing technical field especially relates to a multifunctional precision positioning tool jig. BACKGROUND

[0002] The engine shell is mostly processed and produced in the mode of casting, and after casting, the engine shell needs to be processed again to ensure the size and precision of the engine shell.

[0003] In the prior art, when the engine shell is processed again, the engine shells of the same specification need to be re-aligned with the original point and re-edited with programs for processing, which results in low processing efficiency of the engine shell and inconvenient processing. UTILITY MODEL CONTENT

[0004] The utility model mainly provides a multifunctional precision positioning tool jig that improves processing efficiency.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme: a multifunctional precision positioning tool jig, comprising: a positioning base, an inner connecting hole is formed in the middle of the upper end of the positioning base, a connecting pipe is fixedly communicated with the lower end of the inner connecting hole, an inner rack is installed on the upper end of the positioning base, an inner support frame is fixedly connected to the middle of the upper end of the inner rack, a side support frame is fixedly connected to the side surface of the inner support frame, a ventilation hole is formed through the upper end of the inner rack, and the middle of the inner rack is designed in a raised manner, which is used to ensure the communication between the ventilation hole and the inner connecting hole, the inner support frame is used to contact the smooth area of the engine shell, and the side support frame is used to support the corner of the engine shell. In this way, the engine shell is supported and limited, and cannot be moved. Since the internal area of the engine shell is fixed and has no burrs during casting processing, the position of each engine shell is fixed after installation, and there is no need to reposition. In this way, subsequent processing can be facilitated, the processing efficiency can be improved, the positioning difficulty can be reduced, accurate positioning can be realized, and processing can be facilitated.

[0006] Preferably, a sealing frame is fixedly connected to the outer edge of the inner rack, an inner limiting groove is formed in the upper end of the sealing frame, a rubber ring is clamped in the inner limiting groove, and the sealing frame and the rubber ring are used to support the inner edge of the engine shell and fill the gap between the engine shell, so that the sealing is ensured.

[0007] Preferably, a supporting block is fixedly connected to the middle of each of the four side edges of the lower end of the rubber ring, a supporting clamping groove is formed in the middle of each of the four side edges of the upper end of the sealing frame, and the supporting block and the supporting clamping groove are clamped. This design is used to increase the connection strength between the rubber ring and the sealing frame and avoid the falling of the rubber ring.

[0008] Preferably, mounting holes are formed through the middle of the inner frame on both sides, mounting bolts are used to fix the inner frame and the positioning base, in this way, different inner frames can be replaced and used according to the shape of the engine shell to be processed, so as to adapt to engine shells of different sizes and shapes.

[0009] Preferably, a limiting frame is fixedly connected to the inner edge of the upper end of the limiting frame, and the limiting frame is used for limiting the outer surface of the engine shell, in this way, the inner side and the outer side of the engine shell are limited to ensure the stability of the engine shell, and the limiting frame is installed in a clamping manner, so that appropriate limiting frames can be selected and installed according to different engine shells.

[0010] Preferably, the lower end of the positioning base is fixedly connected with a supporting frame, the communicating pipe is overlapped with the supporting frame, and the supporting frame supports the communicating pipe to avoid bending of the communicating pipe and ensure the stability of use, and the communicating pipe is used for being connected with a vacuum pump, in this way, when the engine shell is installed, the gas between the engine shell, the sealing frame and the rubber ring can be pumped out, so that the engine shell is tightly limited on the inner support frame and the side support frame, the processing stability can be ensured, and the vertical direction and the horizontal direction of the engine are limited, the positioning effect is increased, and the positioning accuracy is ensured.

[0011] Compared with the prior art, the advantages and positive effects of the utility model lie in that,

[0012] 1、In the utility model, the engine shell is supported and limited by the inner support frame and the side support frame, so that the engine shell cannot be moved, the internal area of the engine shell is fixed and has no burrs during casting processing, in this way, after installation, the position of each engine shell is fixed, repositioning is not needed, subsequent processing and use are facilitated, processing efficiency is improved, positioning difficulty is reduced, accurate positioning is achieved, and processing is facilitated.

[0013] 2、In the utility model, the supporting frame supports the communicating pipe to avoid bending of the communicating pipe and ensure the stability of use, and the communicating pipe is used for being connected with a vacuum pump, in this way, when the engine shell is installed, the gas between the engine shell, the sealing frame and the rubber ring can be pumped out, so that the engine shell is tightly limited on the inner support frame and the side support frame, the processing stability can be ensured, and the vertical direction and the horizontal direction of the engine are limited, the positioning effect is increased, and the positioning accuracy is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1The utility model provides a kind of three-dimensional structure diagram of multifunctional precision positioning tooling jig Figure One .

[0015] Figure 2 The utility model provides a kind of three-dimensional structure diagram of multifunctional precision positioning tooling jig Figure Two .

[0016] Figure 3 The utility model provides a kind of explosion view of multifunctional precision positioning tooling jig

[0017] Figure 4 The utility model provides a kind of multifunctional precision positioning tooling jig Figure 3 The enlarged structure diagram of area A.

[0018] Legend: 1, positioning base; 2, limit card frame; 3, limit frame; 4, built-in frame; 5, sealing frame; 6, rubber ring; 7, inner support frame; 8, side support frame; 9, air hole; 10, communication pipe; 11, support frame; 12, inner connecting hole; 13, support slot; 14, inner limit slot; 15, support block; 16, mounting hole. Specific embodiments

[0019] In order to more clearly understand the above-mentioned purposes, features and advantages of the utility model, the utility model will be further described below in conjunction with the drawings and examples.

[0020] In the following description, many specific details are set forth in order to provide a thorough understanding of the present application, however, the present application can also be implemented in other ways different from those described herein, therefore, the present application is not limited to the specific embodiments disclosed in the following description.

[0021] Please refer to Figure 1 Figure 4 ​This utility model provides a technical solution: a multifunctional precision positioning fixture, comprising: a positioning base 1, an inner connecting hole 12 formed in the middle of the upper end of the positioning base 1, a connecting pipe 10 fixedly connected to the lower end of the inner connecting hole 12, an inner mounting frame 4 installed on the upper end of the positioning base 1, an inner support frame 7 fixedly connected to the middle of the upper end of the inner mounting frame 4, a side support frame 8 fixedly connected to the side of the inner support frame 7, a vent hole 9 penetrating through the upper end of the inner mounting frame 4, and a raised design in the middle of the inner mounting frame 4 to ensure communication between the vent hole 9 and the inner connecting hole 12. Support 7 is used to contact the smooth area of ​​the engine housing, and side support 8 is used to support the corners of the engine housing. In this way, the engine housing is supported and confined, preventing it from moving. Because the internal area of ​​the engine housing is fixed and burr-free during casting, the position of each engine housing is fixed after installation, eliminating the need for repositioning. This method facilitates subsequent processing, improves processing efficiency, reduces positioning difficulty, and enables precise positioning for convenient processing.

[0022] like Figure 4 As shown, a sealing frame 5 is fixedly connected to the outer edge of the inner frame 4. An inner limiting groove 14 is provided at the upper end of the sealing frame 5. A rubber ring 6 is snapped into the inner limit groove 14. The sealing frame 5 and the rubber ring 6 are used to support the inner edge of the engine housing and fill the gap between the sealing frame 5 and the engine housing to ensure a seal.

[0023] like Figure 4 As shown, a support block 15 is fixedly connected to the middle of the four sides of the lower end of the rubber ring 6, and a card slot 13 is opened in the middle of the four sides of the upper end of the sealing frame 5. The support block 15 is engaged with the card slot 13. This design is used to increase the connection strength between the rubber ring 6 and the sealing frame 5 and prevent the rubber ring 6 from falling off.

[0024] like Figure 4 As shown, mounting holes 16 are provided on both sides of the middle part of the inner frame 4. Mounting bolts are used in the mounting holes 16 to fix the inner frame 4 to the positioning base 1. In this way, different inner frames 4 can be replaced for installation and use according to the different shapes of the engine housing to be processed, so as to adapt to engine housings of different sizes and shapes.

[0025] like Figure 1 - Figure 3 As shown, a mounting bracket 2 is snapped onto the outer edge of the upper end of the positioning base 1, and a limiting frame 3 is fixedly connected to the inner edge of the upper end of the mounting bracket 2. The limiting frame 3 is used to limit the outer surface of the engine housing. In this way, both the inner and outer sides of the engine housing are limited to ensure the stability of the engine housing. The mounting bracket 2 adopts a snap-fit ​​installation method, which makes it easy to select the appropriate limiting frame 3 for installation and use according to different engine housings.

[0026] As Figure 1 And Figure 2 Figure 2 As shown in the lower end of the positioning base 1 is fixedly connected with the support frame 11, the communication pipe 10 and the support frame 11 overlap, the support frame 11 supports the communication pipe 10, avoids the communication pipe 10 bending under stress, guarantees the use stability, the communication pipe 10 is used for connecting with the vacuum pump, in this way, the engine housing can be installed, the gas between the engine housing and the sealing frame 5 and the rubber ring 6 is extracted, the engine housing is tightly limited on the inner support frame 7 and the side support frame 8, the machining stability can be guaranteed, at the same time, the vertical direction of the engine is limited with the horizontal direction, the positioning effect is increased, and the positioning precision is guaranteed.

[0027] The use method and working principle of the device: in use, the positioning base 1 is installed on the machining equipment of the engine housing, then according to the different shapes and sizes of the engine housing to be machined, the appropriate limiting frame 3 and the inner frame 4 are selected, the inner frame 4 is fixed with the positioning base 1 by using bolts, the limiting frame 2 is clamped with the positioning base 1, the communication pipe 10 is connected with the vacuum pump, then the engine housing is connected with the inner support frame 7, the side support frame 8 and the limiting frame 3, the holes of the engine housing are opened by drilling finally, the vacuum pump is opened, the gas between the engine housing and the sealing frame 5 and the rubber ring 6 is extracted, the inside is negative pressure, the engine housing is fixed, then the machining equipment processes the engine housing.

[0028] The above is only the preferred embodiment of the present application, not the other forms of the present application, any skilled in the art may use the above disclosed technical content to change or modify the equivalent embodiment applied to other fields, but any simple modification, equivalent change and modification of the above embodiment according to the technical essence of the present application still belongs to the protection scope of the present application.

Claims

1. A multifunctional precision positioning tooling jig, characterized in that, Include: The positioning base (1), the middle part of the upper end of the positioning base (1) is provided with an inner connecting hole (12), the lower end of the inner connecting hole (12) is fixedly connected with a connecting pipe (10), the upper end of the positioning base (1) is provided with an inner shelf (4), the middle part of the upper end of the inner shelf (4) is fixedly connected with an inner support frame (7), the side of the inner support frame (7) is fixedly connected with a side support frame (8), the upper end of the inner shelf (4) is provided with a ventilation hole (9), and the middle part of the inner shelf (4) is designed in a raised manner.

2. The multifunctional precision positioning tooling jig of claim 1, wherein: The outer edge of the inner shelf (4) is fixedly connected with a sealing shelf (5), the upper end of the sealing shelf (5) is provided with an inner limiting groove (14), and the inner limiting groove (14) is connected with a rubber ring (6).

3. The multifunctional precision positioning tooling jig of claim 2, wherein: The middle part of the lower end of the four side edges of the rubber ring (6) is fixedly connected with a supporting block (15), the middle part of the four side edges of the upper end of the sealing shelf (5) is provided with a supporting block slot (13), and the supporting block (15) is connected with the supporting block slot (13).

4. The multifunctional precision positioning tooling jig of claim 2, wherein: The middle part of the inner shelf (4) is provided with an installation hole (16).

5. The multifunctional precision positioning tooling jig of claim 2, wherein: The outer edge of the upper end of the positioning base (1) is connected with an inner limiting card shelf (2), and the inner edge of the upper end of the inner limiting card shelf (2) is fixedly connected with a limiting frame (3).

6. The multifunctional precision positioning tooling jig of claim 1, wherein: The lower end of the positioning base (1) is fixedly connected with a supporting shelf (11), and the connecting pipe (10) is overlapped with the supporting shelf (11).

Images