CN212858685U - High-speed boring inner hole clamp for cylinder sleeve - Google Patents

High-speed boring inner hole clamp for cylinder sleeve Download PDF

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Publication number
CN212858685U
CN212858685U CN202021615451.3U CN202021615451U CN212858685U CN 212858685 U CN212858685 U CN 212858685U CN 202021615451 U CN202021615451 U CN 202021615451U CN 212858685 U CN212858685 U CN 212858685U
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China
Prior art keywords
cone
locking mechanism
hole
taper
cylinder
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Active
Application number
CN202021615451.3U
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Chinese (zh)
Inventor
朱建国
陈志军
宋正铖
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Hunan Xinyuan Cylinder Liner Co ltd
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Hunan Xinyuan Cylinder Liner Co ltd
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Priority to CN202021615451.3U priority Critical patent/CN212858685U/en
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Abstract

The utility model relates to a high-speed boring inner hole clamp for a cylinder jacket, which comprises a radial displacement mechanism fixedly arranged on a boring machine workbench, a base arranged on the radial displacement mechanism and a clamp body arranged in the axial direction of the base; the clamp body comprises a taper sleeve, a cone and a locking mechanism, one end of the taper sleeve is fixedly installed on the base, a conical through hole is formed in the taper sleeve, the other end of the taper sleeve is provided with a mounting hole used for mounting the locking mechanism, the cone is arranged in the conical through hole in a limiting mode through the locking mechanism, and the cylinder sleeve is axially clamped in an inner cavity of the cone through the cone. The utility model discloses utilize the anchor clamps body carries out the clamping to the outer disc of cylinder jacket, and the product deformation volume is little, and the clamping is convenient, has improved the processing size precision of product, adopts locking mechanism locks, and than traditional hydraulic cylinder clamping mode, not only simple and convenient practicality practices thrift the cost again.

Description

High-speed boring inner hole clamp for cylinder sleeve
Technical Field
The utility model relates to a machine tooling fixture designs technical field, especially relates to a high-speed boring hole anchor clamps of cylinder jacket.
Background
As shown in fig. 4 and 5, the conventional high-speed boring machine processing clamp is a clamp for pressing two ends, and the clamp clamps the cylinder sleeve in a manner that the end cover is pressed downwards by the hydraulic oil cylinder, so as to achieve the purpose of processing the inner hole of the cylinder sleeve. The fixture is convenient to clamp and has high processing efficiency, but the processing of the dry cylinder sleeve has some defects, the dry cylinder sleeve is processed by adopting a mode of pressing two ends because the wall of the dry cylinder sleeve is thin, and a boring cutter can extrude and deform the inner hole of the cylinder sleeve, so that the shape and position tolerance of roundness, straightness, wall thickness difference and the like is out of tolerance, the processing precision of a product is directly influenced, and the product assembly precision problem is caused.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving the technical problem who exists among the prior art. Therefore, the utility model provides a high-speed boring hole anchor clamps of cylinder jacket that product clamping deformation volume is little, the clamping is convenient and the machining precision is high.
The utility model provides a technical scheme that its technical problem adopted is: the fixture for boring the inner hole of the cylinder sleeve at a high speed comprises a radial displacement mechanism fixedly arranged on a boring machine workbench, a base arranged on the radial displacement mechanism and a fixture body arranged in the axial direction of the base;
the clamp body comprises a taper sleeve, a cone and a locking mechanism, one end of the taper sleeve is fixedly installed on the base, a conical through hole is formed in the taper sleeve, the other end of the taper sleeve is provided with a mounting hole used for mounting the locking mechanism, the cone is arranged in the conical through hole in a limiting mode through the locking mechanism, and the cylinder sleeve is axially clamped in an inner cavity of the cone through the cone.
The utility model provides a cylinder jacket bores in a preferred embodiment of hole anchor clamps at a high speed, the cone is the frustum form, and its both ends respectively evenly divide into the octant and do not cut along the incomplete cutting of excircle generating line direction, just the tip of cone be equipped with locking mechanism carries out the recess of spacing locking.
In the utility model provides a cylinder jacket bores a preferred embodiment of hole anchor clamps at a high speed, the toper through-hole of taper sleeve with the tapering of cone phase-match, the tapering is established to 7.
In the utility model provides a cylinder jacket bores in a preferred embodiment of hole anchor clamps at a high speed, locking mechanism is equipped with two about at least, locking mechanism includes pull rod, supporting pivot, eccentric briquetting and end cover, the supporting pivot is located in the mounting hole of taper sleeve, its one end is connected the pull rod, and the other end is equipped with eccentric staff, eccentric briquetting is located in the recess of cone, just eccentric briquetting is connected eccentric staff, the end cover shutoff the supporting pivot in the mounting hole.
The utility model provides a in a preferred embodiment of the high-speed boring hole anchor clamps of cylinder jacket, radial displacement mechanism includes hydro-cylinder, bottom plate, linear slide rail and slider, two linear slide rail radially locates the workstation of boring machine, the slider is located the bottom plate is just located with sliding linear slide rail, the hydro-cylinder is located the workstation of boring machine, its ejector pin is connected the bottom plate.
In a preferred embodiment of the high-speed boring hole anchor clamps of cylinder jacket that the utility model provides, base, bottom plate and the workstation of boring machine all be equipped with the coaxial processing of anchor clamps body dodges the hole.
Compared with the prior art, the utility model provides a high-speed boring hole anchor clamps of cylinder jacket's beneficial effect is: the utility model discloses utilize the anchor clamps body carries out the clamping to the outer disc of cylinder jacket, and the product deformation volume is little, and the clamping is convenient, has improved the processing size precision of product, adopts locking mechanism locks, and than traditional hydraulic cylinder clamping mode, not only simple and convenient practicality practices thrift the cost again.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:
FIG. 1 is a schematic view of an assembly structure of a high-speed boring inner hole clamp for a cylinder sleeve provided by the present invention;
FIG. 2 is a schematic structural view of the cone provided in FIG. 1;
FIG. 3 is a side view of the locking mechanism provided in FIG. 1;
FIG. 4 is a schematic structural diagram of a conventional cylinder liner clamp;
fig. 5 is a plan view of a platen of the conventional cylinder liner clamp provided in fig. 4.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The prior art fixture for machining a cylinder liner by a high-speed boring machine is shown in fig. 4 and 5, wherein:
100-cylinder jacket, 201-base, 202-linear guide rail, 203-oil cylinder, 204-chuck clamp, 205-clamping oil cylinder, 206-guide column, 207-gland, 208-pressure plate, 301-boring machine workbench and 302-boring cutter.
In order to solve current anchor clamps adopt the mode processing of pressing both ends, can produce extrusion deformation to the cylinder liner hole, lead to form and position tolerance super-poor such as circularity, straightness accuracy, wall thickness difference, the machining precision of direct influence product leads to product assembly precision problem, and this application provides following technical scheme:
example one
Referring to fig. 1, the cylinder liner high-speed boring inner bore fixture 1 of the present embodiment includes a radial displacement mechanism 11 fixedly mounted on a boring machine workbench 301, a base 12 disposed on the radial displacement mechanism 11, and a fixture body 13 disposed in an axial direction of the base 12.
Preferably, the fixture body 13 of this embodiment includes a taper sleeve 131, a taper body 132 and a locking mechanism 133, one end of the taper sleeve 131 is fixedly mounted on the base 12, a taper through hole 1310 is provided in the taper sleeve 131, a mounting hole 1312 for mounting the locking mechanism 133 is provided at the other end of the taper sleeve 131, the taper body 132 is disposed in the taper through hole 1310 in a limiting manner through the locking mechanism 133, and the cylinder liner 100 is axially clamped in the inner cavity of the taper body 132 through the taper body 132.
Preferably, the cone 132 of the present embodiment is in a frustum shape, two ends of the cone are evenly divided into eight equal parts respectively, and the eight equal parts are not completely cut along the direction of the generatrix of the outer circle, as shown in fig. 2, the cone can evenly expand and contract in a certain range in the radial direction, and the end of the cone 132 is provided with a groove 1320 for performing limit locking with the locking mechanism 133.
Preferably, the tapered through hole 1310 of the taper sleeve 131 of the present embodiment matches the taper of the taper 132, and the taper is set to 7 °.
Preferably, the locking mechanism 133 of this embodiment includes at least two left and right locking mechanisms, the locking mechanism 133 includes a toggle lever 1331, a supporting rotating shaft 1332, an eccentric pressing block 1333 and an end cover 1334, the supporting rotating shaft 1332 is disposed in the mounting hole 1312 of the taper sleeve 131, one end of the supporting rotating shaft 1332 is connected to the toggle lever 1331, the other end of the supporting rotating shaft 1332 is disposed with an eccentric small shaft 1335, the eccentric pressing block 1333 is disposed in the groove 1320 of the taper cone 132, the eccentric pressing block 1333 is connected to the eccentric small shaft 1335, and the end cover 1334 seals the supporting rotating shaft 1332 in the mounting hole 1312.
The working principle of the clamp body of the embodiment is as follows:
the clamp body is assembled as shown in figure 1, when in clamping, the cylinder sleeve is placed in the inner cavity of the cone, the pull rod is pressed down, and the eccentric pressing block is utilized to press the cone into the cone sleeve to realize the locking of the cylinder sleeve; after the processing is finished, the spanner is loosened, the eccentric block provides outward thrust of the cone, the cone loosens the cylinder sleeve, and the cylinder sleeve is taken out.
Example two
On the basis of the first embodiment, the present embodiment further discloses the radial displacement mechanism, the radial displacement mechanism 11 of the present embodiment includes an oil cylinder 111, a bottom plate 112, linear slide rails 113 and a slider 114, the two linear slide rails 113 are radially disposed on the workbench 301 of the boring machine, the slider 114 is disposed on the bottom plate 112 and slidably disposed on the linear slide rails 113, the oil cylinder 111 is disposed on the workbench 301 of the boring machine, and an ejector rod thereof is connected to the bottom plate 112. In the radial displacement mechanism of the embodiment, the oil cylinder is additionally used for pushing the bottom plate to realize the radial movement of the clamp body.
In the above embodiment, preferably, the base 12, the bottom plate 112 and the worktable 301 of the boring machine are provided with processing avoiding holes coaxial with the fixture body 13, so as to avoid interference in the boring cutter processing process.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes made by the present specification can be changed, or directly or indirectly applied to other related technical fields, and all the same principles are included in the protection scope of the present invention.

Claims (6)

1. The utility model provides a high-speed boring hole anchor clamps of cylinder jacket which characterized in that: the fixture comprises a radial displacement mechanism fixedly arranged on a boring machine workbench, a base arranged on the radial displacement mechanism and a fixture body arranged in the axial direction of the base;
the clamp body comprises a taper sleeve, a cone and a locking mechanism, one end of the taper sleeve is fixedly installed on the base, a conical through hole is formed in the taper sleeve, the other end of the taper sleeve is provided with a mounting hole used for mounting the locking mechanism, the cone is arranged in the conical through hole in a limiting mode through the locking mechanism, and the cylinder sleeve is axially clamped in an inner cavity of the cone through the cone.
2. The cylinder liner high-speed boring inner hole clamp of claim 1, characterized in that: the cone is frustum-shaped, two ends of the cone are evenly divided into eight equal parts respectively and are not completely cut along the direction of an excircle generatrix, and a groove for limiting and locking the locking mechanism is arranged at the end part of the cone.
3. The cylinder liner high-speed boring inner hole clamp of claim 2, characterized in that: the taper through hole of the taper sleeve is matched with the taper of the taper, and the taper is set to be 7 degrees.
4. The cylinder liner high-speed boring inner hole clamp of claim 2, characterized in that: the locking mechanism is at least provided with two left and right locking mechanisms, each locking mechanism comprises a pull rod, a supporting rotating shaft, an eccentric pressing block and an end cover, the supporting rotating shaft is arranged in the mounting hole of the taper sleeve, one end of the supporting rotating shaft is connected with the pull rod, the other end of the supporting rotating shaft is provided with an eccentric small shaft, the eccentric pressing block is arranged in a groove of the taper sleeve and is connected with the eccentric small shaft, and the end cover seals the supporting rotating shaft in the mounting hole.
5. The cylinder liner high-speed boring inner hole clamp of any one of claims 1 to 4, characterized in that: the radial displacement mechanism comprises an oil cylinder, a bottom plate, linear slide rails and slide blocks, the two linear slide rails are radially arranged on the workbench of the boring machine, the slide blocks are arranged on the bottom plate and are slidably arranged on the linear slide rails, the oil cylinder is arranged on the workbench of the boring machine, and an ejector rod of the oil cylinder is connected with the bottom plate.
6. The cylinder liner high-speed boring inner hole clamp of claim 5, characterized in that: the base, the bottom plate and the workbench of the boring machine are provided with processing avoidance holes coaxial with the clamp body.
CN202021615451.3U 2020-08-05 2020-08-05 High-speed boring inner hole clamp for cylinder sleeve Active CN212858685U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021615451.3U CN212858685U (en) 2020-08-05 2020-08-05 High-speed boring inner hole clamp for cylinder sleeve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021615451.3U CN212858685U (en) 2020-08-05 2020-08-05 High-speed boring inner hole clamp for cylinder sleeve

Publications (1)

Publication Number Publication Date
CN212858685U true CN212858685U (en) 2021-04-02

Family

ID=75219793

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021615451.3U Active CN212858685U (en) 2020-08-05 2020-08-05 High-speed boring inner hole clamp for cylinder sleeve

Country Status (1)

Country Link
CN (1) CN212858685U (en)

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