CN217393962U - Small-aperture gear shaving quick-change compressing clamp - Google Patents
Small-aperture gear shaving quick-change compressing clamp Download PDFInfo
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- CN217393962U CN217393962U CN202220189262.7U CN202220189262U CN217393962U CN 217393962 U CN217393962 U CN 217393962U CN 202220189262 U CN202220189262 U CN 202220189262U CN 217393962 U CN217393962 U CN 217393962U
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Abstract
The utility model discloses a small-aperture gear shaving quick-change compressing clamp, belonging to the technical field of clamping devices, comprising a connecting pull rod, a positioning base, a clamp body, a locking gland and a top; the left end face of the connecting pull rod is connected with the hydraulic clamping device, a circle of groove section is arranged on a rod body of the connecting pull rod close to the left end face, the positioning base is fixed in the groove of the connecting pull rod, the clamp body penetrates through the connecting pull rod, the left end face of the clamp body is fixedly attached to the right end face of the positioning base, and the left end face of the positioning base is connected with a machine tool spindle; the left end face of the connecting pull rod is provided with a step-shaped boss, the step-shaped boss is connected with a trisection convex circular structure, a workpiece is fixed on the step-shaped boss, the locking gland is sleeved on the right end face of the connecting pull rod, and a rotary self-locking mechanism is formed by the locking gland and the trisection convex circular structure to position the workpiece. The utility model discloses simple structure, easy installation, low in manufacturing cost are applicable to professional volume production, small batch volume processing and new product trial production.
Description
Technical Field
The utility model belongs to the technical field of clamping device, concretely relates to small aperture gear shaving quick change compresses tightly anchor clamps.
Background
The gear is a common part in a speed changer and a speed reducer, wherein cylindrical gears are common, and the shaving technology is widely applied to finish machining of cylindrical gears with unrefined gear surfaces due to the fact that the shaving cutter is high in abrasion resistance and survival rate, and the equipment is convenient and easy to adjust and operate.
At present, most shaving fixtures used for gear machining use an inner hole expanding sleeve or a traditional method, a workpiece to be machined is fixed on a mandrel through a gasket and a nut, the assembling and disassembling process is complicated, time consumption is too long, and the workpiece qualified for machining is easily damaged.
The inner hole expanding sleeve type clamp adopts a clamping mode that a cylindrical gear part is tensioned through an inner hole, when the cylindrical gear part with a small hole diameter is machined, a workpiece positioning end face and a clamp positioning end face cannot be completely attached tightly in the clamping process, a certain gap exists, the cylindrical gear part is easy to skew on the clamp during clamping machining, the tooth direction quality of the cylindrical gear is unstable, the gear shaving direction is qualified through inspection on the clamp, and the gear shaving direction is disordered through inspection on a spindle, and the tooth direction is unqualified. The manufacturing difficulty of the workpiece expansion sleeve clamp for machining small-aperture workpieces is high. The two gear shaving processing clamp structures cannot completely meet the processing requirement of small-aperture gears.
SUMMERY OF THE UTILITY MODEL
In order to solve the disc gear shaving clamping scheduling problem of the aperture that exists among the prior art, the utility model provides a simple structure, convenient to use are applicable to the shaving processing of aperture gear, can effectively guarantee the required precision of shaving processing.
The utility model discloses a small aperture gear shaving quick change compresses tightly anchor clamps, through the one end design Y type trisection protruding circle structure of connecting the pull rod, be provided with the cooperation of cavity Y type trisection circle structure with the hole that compresses tightly on the gland, replace the gland that the screw thread on the traditional shaving anchor clamps compressed tightly, the utility model discloses a small aperture gear shaving quick change compresses tightly anchor clamps, need not make a round trip to screw up the screw thread repeatedly, utilizes the other end of connecting the pull rod to be connected with lathe hydraulic pressure moreover, and the atress of processing work piece is even, and the precision can improve, and the work piece state uniformity when repeated clamping is stable to it is more portable, it is easy to change the work piece, has thoroughly eliminated the adverse interference of small aperture cylinder gear with the gear terminal surface out of plumb, has guaranteed the gear shaving precision.
The utility model discloses simple structure, easy installation, low in manufacturing cost are applicable to professional volume production, small batch volume processing and the various scenes of new product trial production.
The utility model discloses a following technical scheme realizes:
a small-aperture gear shaving quick-change compression clamp comprises a connecting pull rod 1, a positioning base 2, a clamp body 3, a locking gland 5 and a tip 6; the left end face of the connecting pull rod 1 is connected with a hydraulic clamping device, a circle of groove section is arranged on a rod body of the connecting pull rod 1 close to the left end face, the positioning base 2 is fixed in a groove of the connecting pull rod 1, the clamp body 3 penetrates through the connecting pull rod 1, the left end face of the clamp body 3 is fixedly attached to the right end face of the positioning base 2, and the left end face of the positioning base 2 is connected with a machine tool spindle; the right end face of the connecting pull rod 1 is provided with a stepped boss, the stepped boss is connected with a Y-shaped rotary self-locking mechanism, a gear-shaving workpiece 4 is fixed on the stepped boss, a locking gland 5 is sleeved on the right end face of the connecting pull rod 1, the locking gland 5 and the Y-shaped rotary self-locking mechanism form the rotary self-locking mechanism to position the workpiece, the tip 6 is installed in a taper hole in the tailstock of the machine tool, the end part of the tip 6 is in contact with the end face of the Y-shaped rotary self-locking mechanism, the tip 6 is used for realizing accurate positioning and transmission of driving force, so that the workpiece and the tip synchronously rotate along with a main shaft, and a processing mode of synchronizing positioning and power transmission is realized.
Furthermore, the Y-shaped rotary self-locking mechanism is in a Y-shaped trisection convex circle structure.
Furthermore, the inside of the Y-shaped trisection convex circular structure is a cavity structure, the end face of the Y-shaped trisection convex circular structure is a positioning reference surface for workpiece machining, a circular hole is formed in the center of the positioning reference surface, and the end portion of the tip 6 is in contact with the circular hole in the end face of the trisection convex circular structure.
Further, the whole circular structure that is of location base 2, inside are hollow structure, and the centre is equipped with circular through-hole, the diameter of circular through-hole equals with the diameter of the groove section on the connecting rod 1, and the circular inner wall of location base 2 is laminated with the body of rod of groove section.
Furthermore, two circles of threaded holes are uniformly distributed on the circumference of the positioning base 2, the inner circle of threaded holes are used for being in threaded connection with the fixture body, and the outer circle of threaded holes are used for being in threaded connection with the machine tool spindle.
Further, the clamp body 3 is connected with the positioning base 2 through bolts.
Further, the diameter of the inner hole of the clamp body 3 is equal to the diameter of the rod body of the connecting pull rod 1.
Furthermore, the locking gland 5 is a hollow cylindrical structure, and an inner hole is provided with a cavity Y-shaped trisection circular structure which is matched with a Y-shaped trisection convex circular structure arranged on the connecting pull rod 1 for use, so that the rotation self-locking is realized.
Further, the end part of the tip 6 is horizontally and vertically contacted with a round hole on the end surface of the trisection convex round structure.
Furthermore, the jumping precision of the right end face of the positioning base 2 is smaller than 0.002mm, and the positioning base is locked by bolts; the run-out precision refers to the error of a plane which is perpendicular to the axis and is arranged on the side plane of the cylinder.
Compared with the prior art, the utility model has the advantages as follows:
the utility model discloses a small aperture gear shaving quick change compresses tightly anchor clamps, every time when carrying out the clamping operation, need not consume the whole precision of plenty of time adjusting device, and this fixture device simple structure, installation convenient to use, the maintenance is changed and is both convenient and practice thrift the cost, draws materials, and low in manufacturing cost is honest and clean, has thoroughly eliminated the unfavorable interference of small aperture cylindrical gear and gear end face out of plumb, has guaranteed the gear shaving precision.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a cross-sectional view of a small-aperture gear shaving quick-change compressing fixture of the present invention;
fig. 2 is a left side view of the small-aperture gear shaving quick-change compressing fixture of the present invention;
fig. 3 is an exploded view of a small-aperture gear shaving quick-change clamping fixture according to the present invention;
fig. 4 is a schematic view of a connecting pull rod of the small-aperture gear shaving quick-change compressing clamp of the present invention;
in the figure:
connecting a pull rod 1;
a positioning base 2;
a clamp body 3;
shaving the workpiece 4;
a locking gland 5;
a tip 6.
Detailed Description
For clear and complete description of the technical solution and the specific working process of the present invention, the following embodiments are provided in conjunction with the accompanying drawings of the specification:
in the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "above," and "over" a second feature may be directly on or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Moreover, various embodiments or examples and features of various embodiments or examples described in this specification can be combined and combined by one skilled in the art without being mutually inconsistent.
Example 1
Referring to fig. 1, the embodiment provides a small-aperture gear shaving quick-change compression fixture, which includes a connecting pull rod 1, a positioning base 2, a fixture body 3, a locking gland 5 and a tip 6; the left end face of the connecting pull rod 1 is connected with a hydraulic clamping device, a circle of groove section is arranged on a rod body of the connecting pull rod 1 close to the left end face, the positioning base 2 is fixed in a groove of the connecting pull rod 1, the clamp body 3 penetrates through the connecting pull rod 1, the left end face of the clamp body 3 is fixedly attached to the right end face of the positioning base 2, and the left end face of the positioning base 2 is connected with a machine tool spindle; the machining method comprises the following steps that a stepped boss is arranged on the right end face of a connecting pull rod 1, a Y-shaped rotary self-locking mechanism is connected to the stepped boss, a gear shaving workpiece 4 is fixed to the stepped boss, a locking gland 5 is sleeved on the right end face of the connecting pull rod 1, the locking gland 5 and the Y-shaped rotary self-locking mechanism form the rotary self-locking mechanism to position the workpiece, a tip 6 is installed in a taper hole in the tailstock of the machine tool, the end portion of the tip 6 is in contact with the end face of the Y-shaped rotary self-locking mechanism, the tip 6 is used for achieving accurate positioning and achieving transmission of driving force, the workpiece and the tip can synchronously rotate along with a main shaft, and the machining method of synchronization of positioning and power transmission is achieved.
The utility model discloses a small aperture gear shaving quick change compresses tightly anchor clamps, through the one end design Y type trisection protruding circle structure of connecting the pull rod, be provided with cavity Y type trisection circle structure cooperation with the hole that compresses tightly on the gland, replace the gland that the screw thread on the traditional shaving anchor clamps compressed tightly, the utility model discloses a small aperture gear shaving quick change compresses tightly anchor clamps need not make a round trip to screw up the screw thread repeatedly, and the other end that utilizes the connection pull rod is connected with lathe hydraulic pressure, and the atress of processing work piece is even, and the precision can improve, and the work piece state uniformity when repeated clamping is stable to it is more portable, it is easy to change the work piece, has thoroughly eliminated the unfavorable interference of small aperture cylindrical gear with the gear terminal surface out of plumb, has guaranteed the gear shaving precision.
Example 2
Referring to fig. 1 and fig. 2, the embodiment provides a small-aperture gear shaving quick-change compression fixture, which includes a connecting rod 1, a positioning base 2, a fixture body 3, a locking gland 5 and a tip 6; the left end face of the connecting pull rod 1 is connected with a hydraulic clamping device, a circle of groove section is arranged on a rod body of the connecting pull rod 1 close to the left end face, the positioning base 2 is fixed in a groove of the connecting pull rod 1, the clamp body 3 penetrates through the connecting pull rod 1, the left end face of the clamp body 3 is fixedly attached to the right end face of the positioning base 2, and the left end face of the positioning base 2 is connected with a machine tool spindle; the right end face of the connecting pull rod 1 is provided with a stepped boss, the stepped boss is connected with a Y-shaped rotary self-locking mechanism, a gear-shaving workpiece 4 is fixed on the stepped boss, a locking gland 5 is sleeved on the right end face of the connecting pull rod 1, the locking gland 5 and the Y-shaped rotary self-locking mechanism form the rotary self-locking mechanism to position the workpiece, the tip 6 is installed in a taper hole in the tailstock of the machine tool, the end part of the tip 6 is in contact with the end face of the Y-shaped rotary self-locking mechanism, the tip 6 is used for realizing accurate positioning and transmission of driving force, so that the workpiece and the tip synchronously rotate along with a main shaft, and a processing mode of synchronizing positioning and power transmission is realized.
Referring to fig. 4, the Y-shaped rotary self-locking mechanism is a Y-shaped trisection convex circle structure.
The interior of the Y-shaped trisection convex circular structure is of a cavity structure, the end face of the Y-shaped trisection convex circular structure is a positioning reference face for workpiece machining, a round hole is formed in the center of the positioning reference face, and the end portion of the tip 6 is in contact with the round hole in the end face of the trisection convex circular structure.
Referring to fig. 3, the whole positioning base 2 is of a circular structure, the inside of the positioning base is of a hollow structure, a circular through hole is formed in the middle of the positioning base, the diameter of the circular through hole is equal to that of the groove section on the connecting pull rod 1, and the circular inner wall of the positioning base 2 is attached to the rod body of the groove section.
Two circles of threaded holes are uniformly distributed on the circumference of the positioning base 2, the inner circle of threaded holes are used for being in threaded connection with the fixture body, and the outer circle of threaded holes are used for being in threaded connection with a machine tool spindle.
The jumping precision of the right end face of the positioning base 2 is smaller than 0.002mm, and the positioning base is locked by bolts; the run-out precision refers to the error of a plane which is vertical to the axis and is arranged on the side plane of the cylinder.
The clamp body 3 is connected with the positioning base 2 through bolts.
The diameter of the inner hole of the clamp body 3 is equal to that of the rod body of the connecting pull rod 1.
Referring to fig. 4, the locking gland 5 is a hollow cylindrical structure, and the inner hole is provided with a cavity Y-shaped trisection circular structure, and the cavity Y-shaped trisection circular structure is matched with a Y-shaped trisection convex circular structure arranged on the connecting pull rod 1 to realize rotation self-locking.
The end part of the centre 6 is horizontally and vertically contacted with a round hole on the end surface of the trisection convex round structure.
The utility model discloses a small aperture gear shaving quick change compresses tightly anchor clamps's theory of operation as follows:
the right end face of the connecting pull rod body is positioned and fixed by using a hydraulic clamping device on a machine tool, the positioning base penetrates through the connecting pull rod and is installed on a main shaft of the machine tool, the clamp body penetrates through the connecting pull rod and is connected with the positioning base, the jumping precision of the right end face of the positioning base is adjusted to be smaller than 0.002mm, and the right end face of the positioning base is locked by using a bolt.
The method comprises the steps that a gear shaving workpiece penetrates through a trisection convex circular structure arranged at the right end of a connecting pull rod, the end face of the gear shaving workpiece is attached to the right end face of a clamp body, a locking gland is installed to pass through the right end of the connecting pull rod, then the locking gland rotates for 60 degrees and abuts against the right end face of the gear shaving workpiece, the self-locking function is achieved by the cooperation of the locking gland and the trisection convex circular structure of the connecting pull rod, the workpiece is pre-tightened, then the pull rod is tensioned by a machine tool hydraulic clamping device, clamping and positioning of the workpiece are achieved, a tailstock center is used for jacking, accurate positioning of a center hole center can be achieved through the center, transmission of driving force is achieved, the workpiece and the center rotate synchronously along with a main shaft, and a machining mode of synchronization of positioning and power transmission is achieved.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be within the scope of the present invention to perform various simple modifications to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.
It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and in order to avoid unnecessary repetition, the present invention does not need to describe any combination of the features.
In addition, various embodiments of the present invention can be combined arbitrarily, and the disclosed content should be regarded as the present invention as long as it does not violate the idea of the present invention.
Claims (10)
1. A small-aperture gear shaving quick-change compression clamp is characterized by comprising a connecting pull rod (1), a positioning base (2), a clamp body (3), a locking gland (5) and a tip (6); the left end face of the connecting pull rod (1) is connected with a hydraulic clamping device, a circle of groove section is arranged on a rod body of the connecting pull rod (1) close to the left end face, the positioning base (2) is fixed in the groove of the connecting pull rod (1), the clamp body (3) penetrates through the connecting pull rod (1), the left end face of the clamp body (3) is fixedly attached to the right end face of the positioning base (2), and the left end face of the positioning base (2) is connected with a machine tool spindle; the right end face of the connecting pull rod (1) is provided with a stepped boss, the stepped boss is connected with a Y-shaped rotary self-locking mechanism, a gear shaving workpiece (4) is fixed on the stepped boss, a locking gland (5) is sleeved on the right end face of the connecting pull rod (1), the locking gland (5) and the Y-shaped rotary self-locking mechanism form the rotary self-locking mechanism to position the workpiece, the tip (6) is installed in a taper hole in the tailstock of the machine tool, the end part of the tip (6) is in contact with the end face of the Y-shaped rotary self-locking mechanism, the tip (6) is used for realizing accurate positioning and realizing transmission of driving force, so that the workpiece and the tip synchronously rotate along with a main shaft, and a processing mode of synchronous positioning and power transmission is realized.
2. The small-aperture gear shaving quick-change compression clamp as claimed in claim 1, wherein the Y-shaped rotary self-locking mechanism is a Y-shaped trisection convex circular structure.
3. The small-aperture gear shaving quick-change compression clamp according to claim 2, wherein the Y-shaped trisection convex circular structure is of a cavity structure, the end face of the Y-shaped trisection convex circular structure is a positioning reference face for workpiece machining, a round hole is formed in the center of the positioning reference face, and the end of the tip (6) is in contact with the round hole in the end face of the trisection convex circular structure.
4. The small-aperture gear shaving quick-change compression clamp as claimed in claim 1, wherein the positioning base (2) is of a circular structure as a whole, the inside of the positioning base is of a hollow structure, a circular through hole is formed in the middle of the positioning base, the diameter of the circular through hole is equal to that of the groove section on the connecting pull rod (1), and the circular inner wall of the positioning base (2) is attached to the rod body of the groove section.
5. The small-aperture gear shaving quick-change compression clamp as claimed in claim 4, wherein two circles of threaded holes are uniformly distributed on the circumference of the positioning base (2), the inner circle of threaded holes are used for being in threaded connection with the clamp body, and the outer circle of threaded holes are used for being in threaded connection with a machine tool spindle.
6. The small-aperture gear shaving quick-change compression clamp as claimed in claim 1, characterized in that the clamp body (3) is connected with the positioning base (2) through bolts.
7. A small-aperture gear shaving quick-change compression clamp as claimed in claim 1, wherein the diameter of the inner hole of the clamp body (3) is equal to the diameter of the rod body of the connecting pull rod (1).
8. The small-aperture gear shaving quick-change compression clamp as claimed in claim 1, wherein the locking gland (5) is of a hollow cylindrical structure, and an inner hole is provided with a cavity Y-shaped trisection circular structure which is matched with a Y-shaped trisection convex circular structure arranged on the connecting pull rod (1) to realize rotary self-locking.
9. The small-aperture gear shaving quick-change compression clamp as claimed in claim 1, wherein the end of the tip (6) is horizontally and vertically contacted with a round hole on the end face of a trisected convex circular structure.
10. The small-aperture gear shaving quick-change compression clamp as claimed in claim 1, wherein the jumping precision of the right end face of the positioning base (2) is less than 0.002mm, and the positioning base is locked by bolts; the run-out precision refers to the error of a plane which is perpendicular to the axis and is arranged on the side plane of the cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220189262.7U CN217393962U (en) | 2022-01-24 | 2022-01-24 | Small-aperture gear shaving quick-change compressing clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220189262.7U CN217393962U (en) | 2022-01-24 | 2022-01-24 | Small-aperture gear shaving quick-change compressing clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217393962U true CN217393962U (en) | 2022-09-09 |
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ID=83136632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220189262.7U Active CN217393962U (en) | 2022-01-24 | 2022-01-24 | Small-aperture gear shaving quick-change compressing clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217393962U (en) |
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2022
- 2022-01-24 CN CN202220189262.7U patent/CN217393962U/en active Active
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