Three-coordinate positioning testing tool for cylinder body valve plate

Abstract

The utility model discloses a three-coordinate positioning testing tool for a cylinder body valve plate, which is used for positioning and clamping the cylinder body valve plate on an XZ vertical plane by taking a crankshaft tube as a coaxial positioning reference, and comprises a supporting plate extending on the XZ vertical plane, a Y-direction through clamping hole is formed in the upper part of the supporting plate, and a Y-direction through clamping hole is formed in the lower part of the supporting plate. The top of the supporting plate is in Z-direction threaded penetrating connection with a screwing bolt which abuts against the interior of the clamping hole; a J-shaped clamping block is elastically and fixedly arranged in the clamping hole, the curve end of the J-shaped clamping block is arranged on the circumferential outer wall of the crankshaft pipe in a wrapping and sleeving mode, and the linear end of the J-shaped clamping block is supported by a screwing bolt in an abutting mode. According to the testing tool, the outer wall of the crankshaft tube for fixing the cylinder body valve plate is wrapped by the clamping block which is elastically deformed, and the clamping fixing position is arranged on the clamping piece, so that the three-coordinate positioning precision of the cylinder body valve plate is improved, and the testing tool is simple in structure and easy to realize.

Description

TECHNICAL FIELD

[0001] The utility model relates to tool fixture technical field, concretely is three coordinate positioning test tool of cylinder valve piece. BACKGROUND

[0002] In the prior art machining field, the size inspection of each part of the special-shaped workpiece, especially the blank, is difficult, and the drawings usually require a certain size from the middle hole to one side, or the width / length size after the centering of two sides, or the hole spacing and perpendicularity between holes.

[0003] However, due to the unprocessed surface of the special-shaped workpiece, it is difficult to find a standard reference surface or reference point, and it is difficult to measure and verify the specific part size of the workpiece planned in the drawing. SUMMARY

[0004] The utility model discloses at least solve one of the prior art technical problems. Therefore, one purpose of the utility model is to provide a three coordinate positioning test tool of cylinder valve piece, the crank tube outer wall of cylinder valve piece is covered and fixed through the elastic deformation of the clamping block, and the clamping and fixing position is arranged on the clamping piece, so that the three coordinate positioning accuracy of the cylinder valve piece is improved, and the structure is simple and easy to realize.

[0005] In order to solve the above problems, the utility model provides a three coordinate positioning test tool of cylinder valve piece, the middle part Y of the cylinder valve piece inspected by the test tool is fixed with a crank tube, one end Z of the cylinder valve piece is fixed with a vertical pipe, and the two ends of the cylinder valve piece are integrally provided with a boss;

[0006] The test tool is positioned and clamped on the XZ vertical plane with the crank tube as the coaxial positioning reference, the test tool includes a support plate extending on the XZ vertical plane, a Y-direction through hole is formed in the upper part of the support plate, and a threaded bolt is connected to the inside of the clamping hole in the Z direction on the top of the support plate; A J-shaped clamping block is elastically fixed in the clamping hole, the curved end of the J-shaped clamping block is wrapped around the circumferential outer wall of the crank tube, and the straight end of the J-shaped clamping block is supported by the threaded bolt.

[0007] Preferably, one end of the clamping hole is a round hole, and the other end is a horizontal hole; the curved end of the J-shaped clamping block is fixedly connected to the inner wall of the arc surface of the round hole, and the straight end of the J-shaped clamping block is suspended in the horizontal hole.

[0008] Preferably, the fixed connection end of the J-shaped clamping block and the round hole is provided with a Y-direction through elastic circular groove, which provides the J-shaped clamping block with an elastic deformation allowance and makes it elastically deformed to tightly clamp the crank tube inside the clamping hole, and the threaded bolt provides the J-shaped clamping block with an elastic deformation power.

[0009] The utility model has the advantages compared with the prior art:

[0010] The utility model discloses a three -coordinate positioning gauge of cylinder valve piece, and the cylinder valve piece is positioned and clamped on the XZ vertical plane through the support plate, provides the elastic deformation space for J -shaped clamp block through the clamping hole, and the elastic deformation amount of J -shaped clamp block is improved through the elastic round groove of the curve end of J -shaped clamp block and the inner wall of clamping hole, and the arc radius of the curve end of J -shaped clamp block is reduced when clamping the crank tube through the straight line end of J -shaped clamp block supported by the bolt, and the coaxial clamping positioning of the crank tube is realized. BRIEF DESCRIPTION OF DRAWINGS

[0011] In order to more clearly illustrate the technical scheme in the embodiments of the present application or prior art, the drawings needed to be used in the embodiments or prior art description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative effort on the basis of these drawings.

[0012] Figure 1 It is a three-dimensional structure schematic view (inspection attitude) of the utility model;

[0013] Figure 2 It is a side view (inspection attitude) of the utility model;

[0014] Figure 3 It is a side view (non-inspection attitude) of the utility model;

[0015] Figure 4 It is Figure 3 It is a local enlarged view of A in the middle;

[0016] In the figure: 1 - support plate; 2 - cylinder valve piece; 3 - tightening bolt; 4 - crank tube; 5 - boss; 6 - elastic round groove; 7 - vertical pipe; 8 - clamping hole; 9 - curve end of J -shaped clamp block; 10 - straight line end of J -shaped clamp block. DETAILED DESCRIPTION

[0017] The embodiments of the present application will be described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the present application, and cannot be understood as a limitation on the present application.

[0018] In the description of the present application, it is necessary to explain that, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the internal communication of two elements or the interaction relationship of two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0019] The utility model makes further detailed description in combination with the drawings.

[0020] In combination Figures 1-4 The utility model discloses a three -coordinate positioning gauge of cylinder valve piece, and the middle Y of cylinder valve piece 2 is fixed with crank tube 4, and one end Z of cylinder valve piece is fixed with vertical pipe 7, and the both ends of cylinder valve piece are integrally made to have boss 5.

[0021] The gauge is positioned and clamped cylinder valve piece on XZ vertical plane with crank tube as coaxial positioning reference, and the utility model discloses a supporting plate 1 extending on XZ vertical plane, and the upper part of the supporting plate is provided with the clamping hole 8 that penetrates through to Y, and the top Z of the supporting plate is connected with the tightening bolt 3 that supports to the clamping hole interior through screwing, and the J-shaped clamping block is elastically fixed in the clamping hole, and the curved end 9 of the J-shaped clamping block is covered and installed on the circumferential outer wall of the crank tube, and the linear end 10 of the J-shaped clamping block is supported by the tightening bolt.

[0022] Preferably, one end of the clamping hole is a round hole, and the other end is a horizontal hole, the curved end of the J-shaped clamping block is fixedly connected to the arc inner wall of the round hole, and the linear end of the J-shaped clamping block is suspended in the horizontal hole.

[0023] Preferably, the fixed connection end of the J-shaped clamping block and the round hole interior is provided with a Y-penetrating elastic circular groove 6, which provides the J-shaped clamping block with an elastic deformation allowance and makes it elastically deformed to tightly clamp the crank tube in the clamping hole, and the tightening bolt provides the J-shaped clamping block with an elastic deformation power.

[0024] The working principle of the utility model is:

[0025] The three -coordinate positioning gauge of cylinder valve piece of the utility model, the following is the inspection process:

[0026] 1, the supporting plate of the utility model is provided with a plurality of positioning stations of cylinder valve piece, and the crank tube Y of the cylinder valve piece is inserted into the clamping hole and covered by the curved end of the J-shaped clamping block during detection.

[0027] 2, adjust the bolt, make the bolt Z downwardly top the straight line end of the J-shaped clamping block in the clamping hole, make the diameter of the curve end of the J-shaped clamping block reduce and clamp the outer wall of the crank tube.

[0028] 3, the whole support plate with multiple cylinder valve pieces is put into the three-coordinate monitor to check the three-coordinate size of the crank tube, the vertical tube and the boss on the cylinder valve piece.

[0029] It should be noted that the J-shaped clamping block is positioned on the axis of the crank tube in the XZ vertical plane when elastically deforming in the clamping hole, and before this, the crank tube needs to be inserted into the clamping hole and the bottom surface of the cylinder valve piece needs to be attached to the side wall of the support plate to position the crank tube in the Y-axis direction.

[0030] The above describes the utility model and its implementation, which is not restrictive, and the drawings shown are only one of the embodiments of the utility model, and the actual structure is not limited thereto. In summary, if a person skilled in the art is inspired, without departing from the creative purpose of the utility model, similar structure modes and embodiments are not creatively designed, which should belong to the protection scope of the utility model.

Claims

1. A three-coordinate positioning fixture for a cylinder valve plate, wherein a crankshaft tube is fixedly mounted in the Y direction at the middle of the cylinder valve plate and a vertical tube is fixedly mounted in the Z direction at one end of the cylinder valve plate, and both ends of the cylinder valve plate are uniformly formed with protrusions. Its features are: The fixture uses the crankshaft tube as a coaxial positioning reference to position and clamp the cylinder valve plate on the XZ vertical plane. The fixture includes a support plate extending on the XZ vertical plane. The upper part of the support plate has a clamping hole that runs through in the Y direction, and the top of the support plate is threaded through in the Z direction with a tightening bolt that abuts into the clamping hole. A J-shaped clamping block is elastically fixed in the clamping hole. The curved end of the J-shaped clamping block covers and fits on the circumferential outer wall of the crankshaft tube, and the straight end of the J-shaped clamping block is supported by the tightening bolt.

2. The three-coordinate positioning fixture for cylinder valve plates according to claim 1, characterized in that: One end of the clamping hole is a round hole, and the other end is a horizontal hole; the curved end of the J-shaped clamping block is fixedly connected to the inner wall of the arc surface of the round hole, and the straight end of the J-shaped clamping block is suspended in the horizontal hole.

3. The three-coordinate positioning fixture for cylinder valve plates according to claim 2, characterized in that: The fixed connection end between the J-shaped clamp and the inside of the circular hole is provided with a Y-direction through elastic circular groove. This elastic circular groove provides elastic deformation allowance for the J-shaped clamp and allows it to elastically deform and clamp the crankshaft tube inside the clamping hole. The tightening bolt provides elastic deformation power for the J-shaped clamp.

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