CN216668553U - Tool guide sleeve precision measuring tool of cylinder crankshaft hole processing machine tool - Google Patents

Tool guide sleeve precision measuring tool of cylinder crankshaft hole processing machine tool Download PDF

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Publication number
CN216668553U
CN216668553U CN202220077624.3U CN202220077624U CN216668553U CN 216668553 U CN216668553 U CN 216668553U CN 202220077624 U CN202220077624 U CN 202220077624U CN 216668553 U CN216668553 U CN 216668553U
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China
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tool
detection rod
base
guide sleeve
mounting
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CN202220077624.3U
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Chinese (zh)
Inventor
陈洪亮
黄帅
郭金海
池俊
李晓科
高帅
王鹏
刘欢
王新华
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Beijing Hyundai Motor Co Ltd
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Beijing Hyundai Motor Co Ltd
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Abstract

The utility model relates to a cutter guide pin bushing precision measurement instrument of cylinder body bent axle hole machine tool, bent axle hole machine tool is including the guide pin bushing that is used for installing the cutter and the workstation that is used for installing the cylinder body, cutter guide pin bushing precision measurement instrument includes: a base for being disposed on the table on which the cylinder is not mounted; the detection rod is arranged on the base in a manner of rotating around the axis of the detection rod, the central axis of the detection rod is overlapped with the central axis of the crankshaft hole when the cylinder body is installed on the workbench, and the detection rod extends from the base to the guide sleeve after the cutter is detached; and the measuring piece is connected to the detection rod and used for detecting whether the detection rod is positioned on the central axis of the guide sleeve when rotating around the axis of the detection rod along with the detection rod. The coaxial precision adjusting device can solve the problems that the coaxial precision between the guide sleeve of the cutter and the crankshaft hole of the cylinder body is inconvenient to adjust, the adjusting efficiency is low, and the production and manufacturing cost is high in the related technology.

Description

Tool guide sleeve precision measuring tool of cylinder crankshaft hole processing machine tool
Technical Field
The utility model relates to an engine cylinder block processing production field specifically relates to a cutter guide pin bushing precision measuring tool of cylinder block bent axle hole machine tool.
Background
At present, in the field of production of automobile engine cylinder blocks, crankshaft holes of the engine cylinder blocks need to be machined through a machine tool, machining cutters with the length being more than 60cm are generally adopted for machining the crankshaft holes, and due to the fact that the length of the machining cutters is long, in order to guarantee machining stability and precision, a cutter guide sleeve is needed to support one end of each cutter. The tolerance requirements of cylindricity and coaxiality of a plurality of crankshaft holes in an engine cylinder body are within +/-0.01 mm after machining, so the precision requirement of a tool guide sleeve is high, but the positions of the guide sleeve are changed due to long-term work or misoperation of equipment and the like, the coaxiality and cylindricity parameters of the plurality of crankshaft holes in a workpiece are out of tolerance, the position of the tool guide sleeve needs to be precisely adjusted, fine adjustment is carried out according to measured data after the workpiece is machined, the adjusting process is complicated and time-consuming, and unnecessary waste is caused to a workpiece blank.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a cutter guide pin bushing precision measurement instrument of cylinder body bent axle hole machine tool, this cutter guide pin bushing precision measurement instrument can solve the problem that the coaxial precision adjustment between the guide pin bushing of cutter and the cylinder body bent axle hole is inconvenient and adjust inefficiency, production manufacturing cost is high among the correlation technique.
In order to achieve the above object, the present disclosure provides a tool guide sleeve precision measuring tool of a cylinder block crankshaft hole processing machine, the crankshaft hole processing machine including a guide sleeve for mounting a tool and a table for mounting a cylinder block, the tool guide sleeve precision measuring tool including: a base for being disposed on the table on which the cylinder is not mounted; the detection rod is arranged on the base in a manner of rotating around the axis of the detection rod, the central axis of the detection rod is overlapped with the central axis of the crankshaft hole when the cylinder body is installed on the workbench, and the detection rod extends from the base to the guide sleeve after the cutter is detached; and the measuring piece is connected to the detection rod and used for detecting whether the detection rod is positioned on the central axis of the guide sleeve when rotating around the axis of the detection rod along with the detection rod.
Optionally, the base is provided with two mounting assemblies arranged at intervals along the central axis direction of the detection rod, each of the two mounting assemblies comprises a mounting portion with a bearing surface at the top end, and the detection rod can be rotatably arranged on the two bearing surfaces around the axis of the detection rod.
Optionally, the detection rod is provided with two limiting parts arranged at intervals, the two limiting parts can be locked on the detection rod in an unlocking manner, and the two limiting parts are located between the two mounting assemblies, wherein when the limiting parts are locked on the detection rod, the two limiting parts are respectively attached to the two mounting assemblies; or when the limiting parts are locked on the detection rod, the distance between the two limiting parts is smaller than the distance between the two mounting assemblies, so that the detection rod can move along the axis direction of the detection rod.
Optionally, the limiting portion is configured as a locking ring having an opening, and one of two ends of the opening side of the locking ring is provided with a through hole for the first fastening member to pass through, and the other end is provided with a threaded hole in threaded connection with the first fastening member.
Optionally, the installation department is constructed for linking firmly in the rectangle installation piece of base, the installation component still includes first fixed block and the second fixed block that links firmly in the base, first fixed block with the second fixed block is L shape and arranges, just first fixed block with the second fixed block respectively laminate in two adjacent sides of installation department.
Optionally, at least one of the first fixing block and the second fixing block is connected to the mounting portion by a second fastener.
Optionally, a positioning hole is formed in the substrate, and the positioning hole corresponds to a position of an installation pin of the workbench for installing the cylinder.
Optionally, the bottom surface of the base is configured to fit against the table top of the table.
Optionally, the measuring part is a dial indicator or a dial indicator.
Optionally, a lightening hole is arranged on the base.
Through above-mentioned technical scheme, the cutter guide pin bushing precision measuring tool that this disclosure provided promptly can measure the precision of the guide pin bushing of bent axle hole machine tool, the coaxial precision of guide pin bushing and engine cylinder body bent axle hole promptly. Specifically, when using this disclosure cutter guide pin bushing precision measuring instrument, replace the cylinder body with the base earlier and install on the workstation of bent axle hole machine tool, the central axis of guaranteeing the measuring rod and the central axis coincidence of the bent axle hole when the cylinder body is installed on the workstation, and be connected with the one end of measuring part and can stretch into in the guide pin, when measuring, operating personnel rotates the measuring rod around its self axis, thereby drive the synchronous rotation of measuring part, whether the central axis that comes the detection guide pin bushing through the rotation of measuring part is located the central axis of measuring rod, and then can derive whether the coaxial precision of guide pin bushing and engine cylinder body bent axle hole is qualified.
Additional features and advantages of the disclosure will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:
FIG. 1 is an assembly schematic view of a tool guide sleeve precision measuring tool of a cylinder block crankshaft hole machining tool provided in an exemplary embodiment of the present disclosure;
FIG. 2 is an enlarged partial schematic view of the location A in FIG. 1;
fig. 3 is a schematic structural view of a base of a tool guide sleeve precision measuring tool of a cylinder block crankshaft hole machining tool provided in an exemplary embodiment of the present disclosure.
Description of the reference numerals
1-a base; 2-a detection rod; 3-a measuring member; 4-mounting the assembly; 401-a mounting portion; 4011-carrying surface; 402-first fixed block; 403-a second fixed block; 5-a limiting part; 501, locking a ring; 6-positioning holes; 7-lightening holes.
Detailed Description
The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.
In the present disclosure, the use of directional terms such as "inner" and "outer" in reference to the inner and outer contours of the associated part is intended to distinguish one element from another element, where such terms are used to distinguish between the elements.
The invention provides a tool guide sleeve precision measuring tool of a cylinder crankshaft hole machining machine tool. The crankshaft hole machining machine tool comprises a guide sleeve used for mounting a cutter and a workbench used for mounting a cylinder body. Referring to fig. 1 to 3, the tool guide precision measuring tool includes: the base 1 is arranged on a workbench without a cylinder body; the detection rod 2 is arranged on the base 1 in a manner of rotating around the axis of the detection rod 2, the central axis of the detection rod 2 is overlapped with the central axis of a crankshaft hole when the cylinder body is arranged on the workbench, and the detection rod 2 extends from the base 1 to a guide sleeve after a tool is disassembled; and the measuring piece 3 is connected to the detection rod 2 and used for detecting whether the detection rod 2 is positioned on the central axis of the guide sleeve when rotating around the axis of the detection rod 2.
Through above-mentioned technical scheme, the cutter guide pin bushing precision measuring tool that this disclosure provided promptly can measure the precision of the guide pin bushing of bent axle hole machine tool, the coaxial precision of guide pin bushing and engine cylinder body bent axle hole promptly. Specifically, when using this disclosure cutter guide pin bushing precision measuring instrument, replace the cylinder body with base 1 earlier and install on the workstation of bent axle hole machine tool, guarantee the central axis coincidence of the bent axle hole when the central axis of test bar 2 and cylinder body are installed on the workstation, and be connected with the one end of measuring part 2 and can stretch into in the guide pin bushing, when measuring, operating personnel rotates test bar 2 around its self axis, thereby drive measuring part 3 synchronous rotation, whether the central axis with the rotation through measuring part 3 detects the central axis of guide pin bushing and is located test bar 2, and then can reachd whether qualified with the coaxial precision in engine cylinder body bent axle hole of guide pin bushing. The coincidence of the central axis of the detection rod 2 and the center of the crankshaft hole when the cylinder body is mounted on the workbench can be ensured by presetting that the distance between the central axis of the detection rod 2 and a certain reference surface of the workbench is equal to the distance between the central axis of the crankshaft hole and the reference surface when the cylinder body is mounted on the workbench.
In some embodiments, referring to fig. 1 and 2, two mounting assemblies 4 are disposed on the base 1 at intervals along the central axis direction of the detection rod 2, each of the two mounting assemblies 4 includes a mounting portion 401 having a bearing surface 4011 at the top end, and the detection rod 2 is rotatably disposed on the two bearing surfaces 4011 around its own axis. Specifically, two mounting assemblies 4 may be provided on the central axis of the sensing rod 2 near both ends, and the mounting portion 401 has a height such that the central axis of the sensing rod 2 mounted on the mounting portion 401 can be located on the central axis of the cylinder block crank hole. In addition, the bearing surface 4011 may be configured as an arc-shaped bearing surface, so that the arc-shaped bearing surface can be attached to the outer circumferential surface of the detection rod 2, so that the detection rod 2 can be attached to the arc-shaped bearing surface to rotate around its own axis. In this way, the detecting rod 2 is directly supported by the supporting surfaces 4011, so that the detecting rod 2 can be directly placed on the two supporting surfaces 4011, and assembly and measurement are facilitated. In other embodiments, the bearing surface 4011 may also be configured as a U-shaped bearing surface or a V-shaped bearing surface, for example, which is not specifically limited by the present disclosure.
In some embodiments, referring to fig. 1, two spacing portions 5 are disposed on the detection rod 2 at intervals, the two spacing portions 5 are both locked to the detection rod 2 in an unlocking manner, and the two spacing portions 5 are located between the two mounting assemblies 4. In some embodiments, when the limiting portion 5 is locked to the detection rod 2, the two limiting portions 5 respectively fit to the two mounting components 4; like this, when measuring, two spacing portions 5 can lock respectively in can laminating in the position of two installation component 4 and restrict measuring rod 2 along its axial displacement to make measuring rod 2 can improve the measuring accuracy of the corresponding axial position of guide pin bushing when rotating the measurement. In other embodiments, when the limiting parts 5 are locked on the detection rod 2, the distance between the two limiting parts 5 is smaller than the distance between the two mounting assemblies 4, so that the detection rod 2 can move along the axis direction thereof; like this, when measuring, the measuring rod 2 can be along its axial displacement to make the one end that is provided with measuring part 3 can stretch into the guide pin bushing, so that measure the guide pin bushing precision, and can move the measuring rod 2 in opposite direction after the measurement is accomplished, make the one end of installing measuring part 3 of measuring rod 2 shift out from the guide pin bushing, so that with measuring rod 2 loading and unloading alone.
The position limiting portion 5 may be configured in any suitable manner according to the actual application requirements, for example, as shown in fig. 1 and 2, the position limiting portion 5 may be configured as a locking ring 501, the locking ring 501 has an opening, and one of two ends of the opening side of the locking ring 501 is provided with a through hole 5011 through which the first fastening member passes, and the other end is provided with a threaded hole to which the first fastening member is threadedly coupled. Specifically, the first fastening member may be a bolt which is screwed to the screw hole of the other end of the locking ring 501 after passing through the through hole 5011 of one of the open sides of the locking ring 501, so that the opening of the locking ring 501 is closed to lock the locking ring 501, and the locking ring 501 is unlocked after the bolt is loosened, thereby enabling the limit part 5 to be locked to the detection lever 2 in an unlockable manner.
In some embodiments, referring to fig. 1 and 3, the mounting portion 401 is configured as a rectangular mounting block fixedly connected to the base 1, the mounting assembly 4 further includes a first fixing block 402 and a second fixing block 403 fixedly connected to the base 1, the first fixing block 402 and the second fixing block 403 are arranged in an L shape, and the first fixing block 402 and the second fixing block 403 are respectively attached to two adjacent sides of the mounting portion 401. Specifically, the first fixing block 402 and the second fixing block 403 may be configured as rectangular fixing blocks, so that two sides of the rectangular mounting block can be better attached to improve the stability of the mounting portion 4, and the position of the mounting portion 4 can also be accurately positioned. The mounting portion 401, the first fixing block 402, and the second fixing block 403 may be fixed to the base 1 by fasteners such as bolts, which is not limited in this disclosure.
In some embodiments, as shown with reference to fig. 1 and 3, at least one of the first and second fixing blocks 402 and 403 is connected to the mounting portion 401 by a second fastener. Specifically, the second fastener may be a bolt, a through hole through which the bolt passes may be provided at sides of the first fixing block 402 and the second fixing block 403, a threaded hole is provided at a side of the corresponding mounting portion 401, and the bolt passes through the through hole at the sides of the first fixing block 402 and the second fixing block 403 and is fixed to the corresponding threaded hole in a threaded connection manner, so that the position of the mounting portion 401 may be more stabilized, and the detection rod 2 disposed on the mounting portion 401 may not generate positional deviation or vibration when rotating to affect measurement data.
In some embodiments, referring to fig. 1 and 3, the base plate 1 is provided with positioning holes 6, and the positioning holes 6 correspond to the positions of mounting pins of the worktable for mounting the cylinder. Like this, can install base 1 on the mounting pin of workstation through locating hole 6 to base 1's installation and location have been avoided seting up extra installation through-hole etc. simultaneously on the workstation, make this disclosure dismouting convenient, measurement of efficiency high.
In some embodiments, as shown with reference to fig. 1 and 3, the bottom surface of the base 1 is configured to fit the table top of a workbench. Specifically, the structure of the bottom surface of the base 1 may be configured according to a table top of a workbench, for example, based on the table top of the workbench, a U-shaped protrusion extending toward the workbench may be provided on the bottom surface of the base 1, the U-shaped protrusion extends along the central axis direction of the detection rod 2, and both opposite sides of the U-shaped protrusion are provided with mounting platforms, and the positioning holes 6 may be provided on the corresponding mounting platforms. In addition, the U-shaped groove of indent can be set up in the protruding department of corresponding U-shaped on the top surface of base 1, and this U-shaped groove extends along the central axis direction of measuring rod 2 equally, and installation component 4 and measuring rod 2 can set up in the U-shaped groove, can reduce this open cutter guide pin bushing measuring tool's weight, the dismouting of being convenient for.
The measuring member 3 may be configured in any suitable manner according to the actual application requirements, for example, in some embodiments, as shown with reference to fig. 1, the measuring member 3 may be a dial indicator or a dial indicator. Specifically, can be inside dial indicator, this dial indicator has the measurement contact, and during the measurement, the measurement contact contacts with the internal diameter surface contact of guide pin bushing and follows the rotation of test rod 2 and rotate to whether can measure the central axis of test rod 2 and the central axis coincidence of guide pin bushing, and then just can draw the coaxial precision of test rod 2 and guide pin bushing, whether the coaxial precision of guide pin bushing and cylinder body bent axle hole is qualified promptly. In other embodiments, the measuring member 3 may also be a dial indicator or a distance measuring sensor, which is not specifically limited by the present disclosure.
In order to reduce the weight of the base, as shown in fig. 3, the base 1 may be provided with lightening holes 7. The lightening hole 7 may be provided in the center of the base, for example, may be penetratingly provided between the U-shaped recess and the U-shaped protrusion, and may be configured in any shape without affecting the overall structural rigidity of the base 1, so as to lighten the weight of the base 1 for the convenience of carrying by an operator, which is not particularly limited by the present disclosure.
The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.
It should be noted that, in the foregoing embodiments, various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various combinations that are possible in the present disclosure are not described again.
In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.

Claims (10)

1. The utility model provides a cutter guide pin bushing precision measurement instrument of cylinder body bent axle hole machine tool, bent axle hole machine tool is including the guide pin bushing that is used for installing the cutter and the workstation that is used for installing the cylinder body, its characterized in that, cutter guide pin bushing precision measurement instrument includes:
a base (1) for being disposed on the table on which the cylinder is not mounted;
the detection rod (2) is arranged on the base (1) in a manner of rotating around the axis of the detection rod, the central axis of the detection rod (2) is overlapped with the central axis of a crankshaft hole when the cylinder body is installed on the workbench, and the detection rod (2) extends from the base (1) to the guide sleeve after the cutter is disassembled; and
the measuring piece (3) is connected to the detection rod (2) and used for detecting whether the detection rod (2) is located on the central axis of the guide sleeve or not when rotating around the axis of the detection rod (2).
2. The tool guide sleeve precision measuring tool as claimed in claim 1, characterized in that two mounting assemblies (4) are arranged on the base (1) at intervals along the central axis direction of the detecting rod (2), each of the two mounting assemblies (4) comprises a mounting part (401) with a bearing surface (4011) at the top end, and the detecting rod (2) is rotatably arranged on the two bearing surfaces (4011) around the axis.
3. Tool guide sleeve precision measuring tool according to claim 2, characterized in that the measuring rod (2) is provided with two stop portions (5) arranged at a distance from each other, both stop portions (5) being releasably lockable to the measuring rod (2), and both stop portions (5) being located between the two mounting assemblies (4), wherein,
when the limiting parts (5) are locked on the detection rod (2), the two limiting parts (5) are respectively attached to the two mounting assemblies (4); alternatively, the first and second electrodes may be,
when the limiting parts (5) are locked on the detection rod (2), the distance between the two limiting parts (5) is smaller than the distance between the two mounting assemblies (4), so that the detection rod (2) can move along the axis direction of the detection rod.
4. The tool guide precision measuring tool according to claim 3, wherein the stopper portion (5) is configured as a locking ring (501), the locking ring (501) has an opening, and one of both ends of the opening side of the locking ring (501) is provided with a through hole (5011) through which a first fastening member passes, and the other end is provided with a threaded hole to which the first fastening member is threadedly connected.
5. The tool for precision measurement of a cutter guide sleeve according to claim 2, wherein the mounting portion (401) is configured to be fixedly connected to a rectangular mounting block of the base (1), the mounting assembly (4) further comprises a first fixing block (402) and a second fixing block (403) fixedly connected to the base (1), the first fixing block (402) and the second fixing block (403) are arranged in an L shape, and the first fixing block (402) and the second fixing block (403) are respectively attached to two adjacent sides of the mounting portion (401).
6. The tool guide precision measurement tool of claim 5, wherein at least one of the first fixture block (402) and the second fixture block (403) is connected to the mounting portion (401) by a second fastener.
7. The tool guide sleeve precision measuring tool according to claim 1, characterized in that the base (1) is provided with a positioning hole (6), and the positioning hole (6) corresponds to the position of a mounting pin of the workbench for mounting a cylinder.
8. Tool guide sleeve precision measuring tool according to claim 1, characterized in that the bottom surface of the base (1) is configured to fit the table top of the work table.
9. The tool for precision measurement of tool guide sleeves according to claim 1, characterized in that the measuring element (3) is a dial gauge or a dial gauge.
10. Tool guide sleeve precision measuring tool according to claim 1, characterized in that the base (1) is provided with lightening holes (7).
CN202220077624.3U 2022-01-12 2022-01-12 Tool guide sleeve precision measuring tool of cylinder crankshaft hole processing machine tool Active CN216668553U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220077624.3U CN216668553U (en) 2022-01-12 2022-01-12 Tool guide sleeve precision measuring tool of cylinder crankshaft hole processing machine tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220077624.3U CN216668553U (en) 2022-01-12 2022-01-12 Tool guide sleeve precision measuring tool of cylinder crankshaft hole processing machine tool

Publications (1)

Publication Number Publication Date
CN216668553U true CN216668553U (en) 2022-06-03

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Application Number Title Priority Date Filing Date
CN202220077624.3U Active CN216668553U (en) 2022-01-12 2022-01-12 Tool guide sleeve precision measuring tool of cylinder crankshaft hole processing machine tool

Country Status (1)

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CN (1) CN216668553U (en)

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