Fixing tool for piston machining

Abstract

The utility model belongs to the technical field of machining, and particularly relates to a fixing tool for piston machining, which comprises a positioning bottom plate, a positioning base plate, a fixing base plate and a fixing base plate, a clamping through hole is formed in the arc surface of the clamping block; a notch part is formed in the top surface of the clamping block; the notch part is communicated with the clamping through hole; when the gap of the notch part becomes small, the clamping through hole shrinks inwards to fix the workpiece, and according to the fixing tool for piston machining, the gap of the notch part is adjusted so that the clamping through hole shrinks inwards to fix the workpiece, and therefore the effect of rapid installation and positioning is achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of mechanical processing, and in particular relates to a fixing tool for piston processing. Background Art

[0002] The piston is a reciprocating component in the cylinder block of a car engine, and its hole needs to be processed during machining.

[0003] The existing piston hole processing method is: using drilling equipment to drill holes, fixing the piston with two clamping plates, and positioning the piston during fixation. The installation accuracy is high and cannot meet the needs of mass production of pistons.

[0004] Therefore, in order to solve the above problems, it is necessary to design a fixed tooling for piston processing. Utility Model Content

[0005] The utility model aims to provide a fixing tool for piston processing, so as to solve the technical problem that the piston is inconvenient to position during installation.

[0006] In order to solve the above technical problems, the utility model provides a fixing tool for piston processing, comprising:

[0007] A positioning base plate, the top of which is provided with a clamping block;

[0008] A clamping through hole is provided on the arc surface of the clamping block;

[0009] A notch is provided on the top surface of the clamping block;

[0010] The notch portion is connected to the clamping through hole;

[0011] When the gap of the notch portion becomes smaller, the clamping through hole contracts inwardly to fix the workpiece.

[0012] Furthermore, a concave portion is provided on the arc surface of the clamping block; wherein

[0013] The recess is connected to the clamping through hole and is concentrically arranged.

[0014] Furthermore, at least one locking through hole is provided on the arc surface of the clamping block;

[0015] The locking through hole and the clamping through hole are arranged vertically; and

[0016] The locking through hole is arranged above the clamping through hole.

[0017] Further, the locking through hole comprises: a threaded portion; wherein

[0018] The threaded portion is suitable for meshing with the screw rod to reduce the gap of the notch portion.

[0019] Furthermore, a planar portion is provided on the arc surface of the clamping block; wherein

[0020] A placement portion is provided on the plane portion; and

[0021] The placement portion is connected to the locking through hole and is concentrically arranged.

[0022] Furthermore, the positioning base plate is provided with a plurality of mounting through holes.

[0023] Furthermore, at least two positioning through holes are formed on the positioning base plate.

[0024] The beneficial effects of the utility model are:

[0025] (I) The utility model inserts the workpiece into the clamping through hole and abuts against the recessed portion, and then passes the bolt through the locking through hole so that the bolt head abuts against the placement portion, and the bolt rod engages with the threaded portion. By tightening the bolt, the clamping block is deformed, the gap in the notch portion becomes smaller, and the clamping through hole fixes the workpiece, thereby achieving the effect of quickly installing and positioning the workpiece.

[0026] (ii) The utility model positions the positioning base plate through the positioning through hole, and then installs and fixes it by passing bolts through the installation through hole, thereby achieving the effect of facilitating the fixing of the positioning base plate.

[0027] Other features and advantages of the utility model will be described in the following description, and partly become apparent from the description, or understood by practicing the utility model. The purpose and other advantages of the utility model are realized and obtained by the structures particularly pointed out in the description and the drawings.

[0028] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, preferred embodiments are given below and described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0030] Figure 1 It is a three-dimensional preferred embodiment of the overall utility model. Figure 1 ;

[0031] Figure 2 It is a three-dimensional preferred embodiment of the overall utility model. Figure 2 ;

[0032] Figure 3 It is a three-dimensional preferred embodiment of the overall utility model. Figure 3 ;

[0033] Figure 4 It is a stereogram of a preferred embodiment of the workpiece installation of the utility model.

[0034] In the figure:

[0035] Positioning base plate 1, mounting through hole 11, positioning through hole 12;

[0036] Clamping block 2, clamping through hole 21, notch portion 22, recessed portion 23, locking through hole 24, threaded portion 241, plane portion 25, placement portion 26;

[0037] Artifact 3. DETAILED DESCRIPTION

[0038] In order to make the purpose, technical solution and advantages of the embodiments of the utility model clearer, the technical solution of the utility model will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Example 1

[0039] like Figures 1 to 4 As shown, this embodiment provides a fixing tool for piston processing, including:

[0040] A positioning base plate 1 is provided with a clamping block 2 on the top; a clamping through hole 21 is provided on the arc surface of the clamping block 2; a notch 22 is provided on the top surface of the clamping block 2; wherein the notch 22 is connected with the clamping through hole 21; when the gap of the notch 22 becomes smaller, the clamping through hole 21 contracts inward to fix the workpiece; wherein the clamping block 2 is made of but not limited to spring steel so that the clamping block 2 has deformation ability; wherein the notch 22 passes through both ends of the arc surface; wherein the purpose of the notch 22 being connected with the clamping through hole 21 is to adjust the clamping through hole 21; wherein the positioning base plate 1 and the clamping block 2 are installed by but not limited to screws.

[0041] A recess 23 is provided on the arc surface of the clamping block 2; wherein the recess 23 is connected to the clamping through hole 21 and is arranged concentrically; wherein the recess 23 is arranged to make the workpiece more stable during installation and to locate the drilling position.

[0042] At least one locking through hole 24 is provided on the arc surface of the clamping block 2; wherein the locking through hole 24 is vertically arranged with the clamping through hole 21; and the locking through hole 24 is arranged above the clamping through hole 21; wherein two locking through holes 24 are provided as the most preferred method to achieve a more stable effect when locking.

[0043] The locking through hole 24 includes a threaded portion 241 ; wherein the threaded portion 241 is adapted to engage with the screw to reduce the gap in the notch portion 22 .

[0044] A plane portion 25 is provided on the arc surface of the clamping block 2; a placement portion 26 is provided on the plane portion 25; and the placement portion 26 is connected to the locking through hole 24 and is concentrically arranged; by arranging the placement portion 26, the bolt head is supported, so that after the screw rod is engaged with the threaded portion 241, the gap in the notch portion 22 becomes smaller.

[0045] In this embodiment, the workpiece is inserted into the clamping through hole 21 and abutted against the recessed portion 23, and then a bolt is passed through the locking through hole 24 so that the bolt head abuts against the placement portion 26, and the bolt shaft is threadedly engaged with the threaded portion 241. By tightening the bolt, the clamping block 2 is deformed, the gap in the notch portion 22 becomes smaller, and the clamping through hole 21 fixes the workpiece, thereby achieving the effect of quickly installing and positioning the workpiece. Example 2

[0046] like Figure 1 As shown, based on Example 1, this Example 2 includes:

[0047] The positioning base plate 1 is provided with a plurality of mounting through holes 11 , wherein four mounting through holes 11 are provided as the most preferred configuration and are arranged in a “cross” shape.

[0048] At least two positioning through holes 12 are formed on the positioning base plate 1 .

[0049] In this embodiment, the positioning base plate 1 is positioned through the positioning through hole 12 , and then installed and fixed by passing bolts through the installation through hole 11 , thereby achieving the effect of facilitating the fixing of the positioning base plate 1 .

[0050] The various devices selected in this application (components whose specific structures are not described) are all universal standard parts or components known to those skilled in the art, and their structures and principles can be known to those skilled in the art through technical manuals or conventional experimental methods.

[0051] In the description of the embodiments of the present invention, unless otherwise clearly specified and limited, the terms "installed", "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 it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0052] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0053] Based on the above ideal embodiments of the utility model, the relevant staff can make various changes and modifications without deviating from the technical concept of the utility model through the above description. The technical scope of the utility model is not limited to the content of the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. A fixing tool for piston processing, characterized in that: include: A positioning base plate (1) having a clamping block (2) disposed on the top thereof; A clamping through hole (21) is provided on the arc surface of the clamping block (2); A notch portion (22) is provided on the top surface of the clamping block (2); The notch portion (22) is connected to the clamping through hole (21); When the gap of the notch portion (22) becomes smaller, the clamping through hole (21) contracts inwardly to fix the workpiece.

2. The fixing tool for piston processing according to claim 1, characterized in that: A recess (23) is provided on the arc surface of the clamping block (2); wherein The recess (23) is connected to the clamping through hole (21) and is arranged concentrically.

3. The fixing tool for piston processing according to claim 2, characterized in that: At least one locking through hole (24) is provided on the arc surface of the clamping block (2); wherein The locking through hole (24) and the clamping through hole (21) are arranged vertically; and The locking through hole (24) is arranged above the clamping through hole (21).

4. The fixing tool for piston processing according to claim 3, characterized in that: The locking through hole (24) comprises: a threaded portion (241); The threaded portion (241) is suitable for meshing with the screw rod to reduce the gap of the notch portion (22).

5. The fixing tool for piston processing according to claim 4, characterized in that: A flat surface portion (25) is provided on the arc surface of the clamping block (2); wherein The plane portion (25) is provided with a placement portion (26); and The placement portion (26) is connected to the locking through hole (24) and is arranged concentrically.

6. The fixing tool for piston processing according to claim 1, characterized in that: The positioning base plate (1) is provided with a plurality of mounting through holes (11).

7. The fixing tool for piston processing according to claim 6, characterized in that: At least two positioning through holes (12) are provided on the positioning base plate (1).

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