Tool for quickly aligning circle center of split casing

Abstract

The utility model provides a tool for quickly aligning the circle center of a split casing. The tool comprises a base provided with a plurality of holes and grooves, and a semi-cylindrical part equally divided into two blocks, the joint of the two parts is a joint surface; a positioning hole is formed in the joint surface of the part; the device is characterized by comprising a positioning block I, a positioning block II and a bolt, the first positioning block and the second positioning block are symmetrically installed in a groove in the base. The front side surface of the positioning block I is a reference surface I, and the left side surface is an X-direction positioning surface; the front side surface of the positioning block II is a reference surface II; the first reference surface and the second reference surface are the same plane; the bolt is mounted in a positioning hole in the part and clings to the X-direction positioning surface of the positioning block I; the fixture is simple in structure and capable of quickly and accurately positioning and clamping.

Description

Technical Field

[0001] The utility model belongs to the technical field of mechanical processing, and in particular relates to a tool used for quickly aligning the center of a split casing. Background Art

[0002] To facilitate the installation of the engine main shaft, the casing is divided into two halves. This structure reduces the difficulty of assembly but increases the difficulty of parts processing. It is necessary to ensure that the mating surfaces of the parts pass through the center of the circle each time they are clamped. Currently, there is a lack of clamping tools and methods. Utility Model Content

[0003] In view of the above problems, the purpose of the present invention is to provide a tool for quickly clamping semi-cylindrical parts.

[0004] The utility model is realized through the following technical solutions:

[0005] A tool for quickly aligning the center of a split receiver, comprising: a base provided with a plurality of holes and grooves and a semi-cylindrical part divided into two equal parts; the junction of the two parts is a junction surface; the junction surface of the part is provided with a positioning hole; further comprising a first positioning block, a second positioning block and a latch; the first positioning block and the second positioning block are symmetrically mounted in the groove on the base; the front side surface of the first positioning block is a first reference surface, and the left side surface is an X-direction positioning surface; the front side surface of the second positioning block is a second reference surface; the first reference surface and the second reference surface are in the same plane; the latch is mounted in the positioning hole on the part and tightly adheres to the X-direction positioning surface of the first positioning block; the base is disc-shaped.

[0006] A method for quickly aligning the center of a split receiver comprises the following steps:

[0007] a. Install positioning block 1 and positioning block 2 on the base. Positioning block 1 and positioning block 2 are positioned in the Y-axis direction by the grooves of the base. The reference surface 1 of positioning block 1 and the reference surface 2 of positioning block 2 are coplanar and pass through the center of the base.

[0008] b. Locate the center distance between the two halves of the part and take the median value P. Install a round bar with a diameter of D on the machine tool spindle and move the spindle to the X coordinate. Calculate the machine tool coordinate: X = (PD) / 2, where D is the diameter of the round bar.

[0009] c. Place the X-direction positioning surface of positioning block 1 close to the round bar and tighten the screws to fix positioning block 1;

[0010] d. Insert the pin into the locating hole near positioning block 1 on the mating surface of half the part, and fit the pin tightly against the X-direction locating surface of positioning block 1; fit the mating surface of the part tightly against datum plane 1 and datum plane 2, and secure the part with several pressing plates. Remove positioning blocks 1, 2, and the pin, and install the other half of the part. Ensure that the mating surfaces of the parts fit tightly together and secure the other half of the part with several pressing plates.

[0011] Beneficial effects of the utility model:

[0012] The utility model has a simple structure and can be positioned and clamped quickly and accurately. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The present invention will be described in further detail below with reference to the accompanying drawings.

[0014] Figure 1 It is a structural diagram of the present utility model.

[0015] Figure 2 It is a top view of the present utility model.

[0016] As shown in the figure: 1- positioning block 1; 2- positioning block 2; 3- latch; 4- base; 5- part; A1- reference plane 1; A2- reference plane 2; A3- ×-positioning surface; A4- mating surface. DETAILED DESCRIPTION

[0017] The following describes the implementation of the present invention through specific embodiments. People familiar with this technology can easily understand other advantages and effects of the present invention from the contents disclosed in this specification.

[0018] It should be noted that the structures, proportions, sizes, etc. depicted in the drawings of this specification are only used to match the contents disclosed in this specification for the understanding and reading of those familiar with this technology, and are not used to limit the conditions for the implementation of this utility model. Therefore, they have no substantial technical significance. Any modification of the structure, change in the proportional relationship, or adjustment of the size should still fall within the scope of the technical content disclosed in this utility model without affecting the efficacy and purpose of the utility model. At the same time, the terms such as "upper", "lower", "left", "right", "middle", etc. quoted in this specification are only for the convenience of description and are not used to limit the scope of the implementation of this utility model. Changes or adjustments in their relative relationships should also be considered as the scope of the implementation of this utility model without substantially changing the technical content.

[0019] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to the specific circumstances. It should be noted that the terms "include", "comprise" or any other variants are intended to cover non-exclusive inclusion, so that a process, method, article or device that includes a series of elements includes not only those elements, but also other elements that are not explicitly listed, or also includes elements that are inherent to such process, method, article or device.

[0020] like Figure 1 、 Figure 2 The tooling shown is used for quickly aligning the center of a split receiver, comprising: a positioning block 1, a positioning block 2, a latch 3, a base 4, and a part 5.

[0021] The base 4 is provided with a plurality of holes and grooves, and the base 4 is disc-shaped.

[0022] The part 5 is a semi-cylindrical part divided into two equal parts; the junction of the two parts 5 is a junction surface A4; a positioning hole is provided on the junction surface A4 of the part 5;

[0023] The positioning block 1 and the positioning block 2 are symmetrically installed in the groove on the base 4; the front side of the positioning block 1 is the reference surface A1, and the left side is the X-direction positioning surface A3; the front side of the positioning block 2 is the reference surface A2; the reference surface A1 and the reference surface A2 are on the same plane;

[0024] The pin 3 only needs to be inserted into one of the positioning holes of the part 5. If the pin 3 is inserted into the positioning holes on both sides of the part 5, it will cause repeated positioning and waste work time. Therefore, the pin 3 is installed in the positioning hole close to the positioning block 1 on the part 5 and is close to the X-direction positioning surface A3 of the positioning block 1.

[0025] A method for quickly aligning the center of a split receiver comprises the following steps:

[0026] a. Install positioning block 1 and positioning block 2 on the base 4. The positioning block 1 and positioning block 2 are positioned in the Y-axis direction by the holes in the base 4. The reference surface A1 of the positioning block 1 and the reference surface A2 of the positioning block 2 are coplanar and pass through the center of the base 4.

[0027] b. Locate the center distance between the two halves of part 5 and take the median value P. Install a round rod with a diameter of D on the machine tool spindle and move the spindle to the X coordinate. Calculate the machine tool coordinate: X = (PD) / 2, where D is the diameter of the round rod.

[0028] c. Place the X-direction positioning surface A3 of positioning block 1 close to the round rod and tighten the screws to fix positioning block 1;

[0029] d. Insert the pin 3 into the locating hole on the joint surface A4 of half part 5, which is close to the locating block 1, and place the pin 3 in close contact with the X-direction locating surface A3 of the locating block 1; the joint surface A4 of part 5 is in close contact with the reference surface A1 and the reference surface A2, and part 5 is fixed with several pressure plates. Remove the locating blocks 1 and 2 and the pin 3, and install the other half of part 5. The joint surface A4 of part 5 is in close contact, and the other half of part 5 is fixed with several pressure plates.

[0030] The protection scope of the present invention is not limited to the technical solutions disclosed in the specific implementation methods. Any modifications, equivalent replacements, improvements, etc. made to the above embodiments based on the technical essence of the present invention shall fall within the protection scope of the present invention.

Claims

1. A tool for quickly aligning the center of a split receiver, comprising: A base (4) is provided with a plurality of holes and grooves and a semi-cylindrical part (5) divided into two equal parts; the junction of the two parts (5) is a junction surface (A4); a positioning hole is provided on the junction surface (A4) of the part (5); the characterizing feature is that it comprises a positioning block 1 (1), a positioning block 2 (2) and a latch (3); the positioning block 1 (1) and the positioning block 2 (2) are symmetrically mounted in the groove on the base (4); the front side surface of the positioning block 1 (1) is a reference surface 1 (A1), and the left side surface is a X-direction positioning surface (A3); the front side surface of the positioning block 2 (2) is a reference surface 2 (A2); the reference surface 1 (A1) and the reference surface 2 (A2) are in the same plane; the latch (3) is mounted in the positioning hole on the part (5) and is tightly attached to the X-direction positioning surface (A3) of the positioning block 1 (1).

2. The tool for quickly aligning the center of a split receiver according to claim 1, characterized in that: The base (4) is disc-shaped.

3. The tool for quickly aligning the center of a split receiver according to claim 1, characterized in that: The middle portion of the base (4) is hollow.

4. The tool for quickly aligning the center of a split receiver according to claim 1, characterized in that: The positioning block 1 (1) and the positioning block 2 (2) are both L-shaped.

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