CN211103640U - Clamp for machining slewing bearing gear - Google Patents
Clamp for machining slewing bearing gear Download PDFInfo
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- CN211103640U CN211103640U CN202021085461.0U CN202021085461U CN211103640U CN 211103640 U CN211103640 U CN 211103640U CN 202021085461 U CN202021085461 U CN 202021085461U CN 211103640 U CN211103640 U CN 211103640U
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Abstract
The utility model relates to the field of slewing bearing, in particular to a fixture for machining a slewing bearing gear, which comprises a tool main body and a plurality of material pressing mechanisms; the upper end face of the tool main body is integrally provided with a mounting seat concentric with the tool main body; the workpiece is supported on the upper end face of the tool main body and sleeved outside the mounting seat; a plurality of jacking screw holes are uniformly formed in the circumferential direction of the mounting seat; the internal thread of the jacking screw hole is connected with a jacking bolt; wherein embolia the mount pad when each work piece after, the tight screw in top that corresponds of the tight bolt screw in top that corresponds and radial top tightly on the inner wall that corresponds the work piece, solved a processing product, machining efficiency is lower, the insecure problem of many product work piece clamping of a processing, the utility model discloses a many products of anchor clamps once clamping for slewing bearing gear machining, the effectual work piece alignment time that has shortened has improved production efficiency, can avoid the work piece to take place the phenomenon of displacement in the course of working simultaneously, has improved processingquality.
Description
Technical Field
The utility model relates to a slewing bearing's field, concretely relates to anchor clamps for slewing bearing gear machining.
Background
Chinese patent cn201620229350.x provides a turning fixture for an outer ring raceway of a slewing bearing shaft, comprising a clamping chassis and a fixing and positioning component fixedly arranged on the clamping chassis for forming an inner side positioning position; the limiting assembly is used for limiting the radial rotation and the axial movement of the slewing bearing shaft. Has the characteristics of small clamping force and few turning procedures.
When the slewing bearing gear is machined, a product can be machined only once due to the limitation of a tool clamp, the workpiece is clamped insecure, and the workpiece is easy to displace in the machining process.
In order to solve the problems, a clamp for machining the slewing bearing gear needs to be designed.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: one-time processing product, machining efficiency is lower, the insecure problem of many product work piece clamping of one-time processing, the utility model provides an anchor clamps for slewing bearing gear machining solves above-mentioned problem.
The utility model provides a technical scheme that its technical problem adopted is: a clamp for machining a slewing bearing gear comprises a tool main body and a plurality of material pressing mechanisms which are uniformly distributed in the circumferential direction; the upper end face of the tool main body is integrally provided with a mounting seat concentric with the tool main body; the workpiece is supported on the upper end face of the tool main body and sleeved outside the mounting seat; a plurality of jacking screw holes are uniformly formed in the circumferential direction of the mounting seat; the internal thread of the jacking screw hole is connected with a jacking bolt; after each workpiece is sleeved in the mounting seat, the corresponding jacking bolt is screwed into the corresponding jacking screw hole and radially jacks against the inner wall of the corresponding workpiece.
Specifically, the pressing mechanism comprises a guide part and a pressing part which are fixed on the upper end surface of the mounting seat; after the workpieces are sleeved into the mounting seat, the pressing part can press the workpieces downwards along the guide part.
Specifically, the guide part comprises a cushion block and a guide stud limited on the top wall of the mounting seat; the top end of the guide stud is in threaded connection with the swaging part; a sliding groove suitable for the material pressing part to be inserted is formed in the central axis of the cushion block; after the workpieces are sleeved in the mounting seat, the pressing part can be screwed into the guide stud and slides along the cushion block to press the workpieces.
Specifically, the pressing part comprises a pressing block and a pressing nut in threaded connection with the guide stud; the pressing block is provided with a through hole suitable for the guide stud to pass through; the lower end face of the material pressing block is fixedly connected with a sliding rod which is suitable for being inserted into the sliding groove; after each workpiece is sleeved in the mounting seat, the pressing block is sleeved in the guide stud, and the pressing nut is screwed in to push the pressing block to press the workpiece.
Specifically, one end of the swaging block, which is located far away from the central axis of the mounting seat, is provided with a trapezoidal pressing head; wherein the compaction head is capable of compacting a workpiece.
Specifically, a notch is formed in the lower end face of the material pressing block; the notch is fixedly connected with a rotating shaft, and a torsion spring is sleeved outside the rotating shaft; two extending ends of the torsion spring are respectively a jacking end capable of being in contact with the top wall of the workpiece and a pushing end capable of being in contact with the inner wall of the workpiece; the included angle between the jacking end and the pushing end is smaller than 90 degrees; when the pressing head presses the workpiece, the end face of the workpiece pushes the jacking end to enable the torsion spring to tilt around the rotating shaft, so that the pushing end radially jacks the workpiece.
Specifically, a plurality of limiting holes corresponding to the material pressing mechanism are formed in the upper end face of the mounting seat; the limiting hole extends in the radial direction; and two sliding blocks are arranged in the limiting holes in a sliding mode, wherein the guide studs and the cushion blocks are respectively in threaded fixation with the corresponding sliding blocks.
Specifically, a plurality of fixing seats are circumferentially and uniformly distributed at the bottom of the tool main body, wherein the tool main body is fixed on an equipment workbench through screws penetrating through the fixing seats.
The beneficial effects of the utility model are that, the utility model provides an anchor clamps for slewing bearing gear machining, embolia the mount pad with the work piece, through tight screw in top of each top and radial top tight this work piece, accomplish the clamping to this work piece when realizing the work piece from centering, stack all the other work pieces in proper order again and by the top tight, the work piece of rethread feed mechanism from the top compresses tightly each work piece, process again, many products of clamping of such design, the effectual work piece alignment time that has shortened, and the production efficiency is improved, can avoid the work piece to take place the phenomenon of displacement in the course of working simultaneously, and the machining quality is improved.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 is a schematic structural view of a preferred embodiment of a fixture for machining a slewing bearing gear according to the present invention;
FIG. 2 is a schematic structural view of a preferred embodiment of the fixture for machining a slewing gear according to the present invention when mounting a workpiece;
fig. 3 is a schematic structural diagram of a preferred embodiment of the swaging mechanism of the present invention;
FIG. 4 is a schematic structural view of a preferred embodiment of the spacer of the present invention;
fig. 5 is a schematic cross-sectional view of a preferred embodiment of the swage block of the present invention;
fig. 6 is a schematic structural diagram of the preferred embodiment of the torsion spring of the present invention.
In the drawings
A tool main body 1,
The pressing mechanism 2, the guide part 21, the cushion block 211, the sliding groove 2111, the guide stud 212, the pressing part 22, the pressing block 221, the pressing nut 222, the notch 2221, the rotating shaft 2222, the torsion spring 2223, the jacking end 2224, the pushing end 2225, the sliding rod 223 and the pressing head 224;
a workpiece 3;
the mounting seat 4, the limiting hole 41 and the sliding block 42;
a jacking screw hole 51 and a jacking bolt 52;
and a fixed seat 6.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention. On the contrary, the embodiments of the invention include all changes, modifications and equivalents coming within the spirit and terms of the claims appended hereto.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are used only for convenience in describing and simplifying the present invention, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
Referring to fig. 1 and 2, fig. 1 is a schematic structural diagram of a preferred embodiment of a fixture for machining a slewing bearing gear according to the present invention; FIG. 2 is a schematic structural view of a preferred embodiment of the fixture for machining a slewing gear according to the present invention when mounting a workpiece; as shown in fig. 1 and 2, the utility model provides a fixture for machining a slewing bearing gear, which comprises a tool main body 1 and a plurality of material pressing mechanisms 2 which are circumferentially and uniformly distributed; after the work piece 3 is placed on tool body 1 to the usual adoption, after centering work piece 3 through appurtenance, rethread pressing mechanism 2 compresses tightly work piece 3 on tool body 1 from the top, then process the outer wall to work piece 3 again and form the gear, but such structure can only once process a product, machining efficiency is lower, and when many products of a processing, because 3 clamping insecure of work piece, produce the phenomenon of 3 displacements of work piece in the course of working easily, thereby influence the processing yields of work piece 3, in order to solve above-mentioned problem, need adopt following scheme:
the upper end face of the tool main body 1 is concentrically provided with a mounting seat 4, the mounting seat 4 and the tool main body 1 are integrally arranged, so that the fixing effect of the mounting seat 4 and the tool main body 1 is ensured, namely, the stability of clamping of workpieces 3 is ensured, each workpiece 3 can be sequentially sleeved into the mounting seat 4 to realize the centering between each workpiece 3, when the workpieces 3 are installed, the workpieces 3 are sleeved into the mounting seat 4, the bottoms of the workpieces 3 are supported on the upper end face of the tool main body 1, a gap of 2mm is kept between the inner diameter of each workpiece 3 and the mounting seat 4, a plurality of tightening screw holes 51 are uniformly formed in the circumferential direction of the mounting seat 4, and the tightening screw holes 51 are in threaded connection with tightening bolts 52; when the automatic aligning device is used, after each workpiece 3 is sleeved into the mounting seat 4, the corresponding tightly-pushing bolt 52 is screwed into the corresponding tightly-pushing screw hole 51 and tightly pushes against the inner wall of the corresponding workpiece 3, so that the automatic alignment of the workpiece 3 is realized, the production efficiency is improved, the phenomenon that the workpiece 3 displaces in the machining process can be avoided, the machining quality is improved, other workpieces 3 are sequentially stacked and tightly pushed, each workpiece 3 is tightly pressed from the uppermost workpiece 3 through the material pressing mechanism 2, and then machining is carried out.
In the present embodiment, the number of the pressing mechanisms 2 is preferably 12, the angle between two adjacent pressing mechanisms 2 is 30 °, the number of the tightening bolts 52 of the same layer is preferably 5, and the angle between two adjacent tightening bolts 52 is 72 °.
Referring to fig. 3, fig. 3 is a schematic structural diagram of a preferred embodiment of the swaging mechanism of the present invention; as shown in fig. 1 to 3, optionally, the pressing mechanism 2 includes a guide portion 21 and a pressing portion 22 fixed on an upper end surface of the mounting base 4; after each workpiece 3 is sleeved into the mounting seat 4, the pressing parts 22 can press the workpiece 3 down along the guide parts 21, and the workpieces 3 are sequentially pressed by the pressing parts 22, so that the situation that the workpiece 3 axially jumps in the machining process is avoided, and the machining quality of the workpiece 3 is ensured.
Referring to fig. 4, fig. 4 is a schematic structural diagram of a preferred embodiment of the cushion block of the present invention; as shown in fig. 1 to 4, optionally, the guiding portion 21 includes a pad 211 and a guiding stud 212 limited on the top wall of the mounting seat 4; the top end of the guide stud 212 is in threaded connection with the swaging part 22; a sliding groove 2111 suitable for the pressing part 22 to be inserted is formed on the central axis of the cushion block 211, and the sliding groove 2111 plays a role in guiding the linear lifting of the pressing part 22; after each workpiece 3 is sleeved in the mounting seat 4, the swaging part 22 can be screwed into the guide stud 212, the sliding groove 2111 plays a role in guiding the sliding of the swaging part 22, and the swaging part 22 presses down on the workpiece 3 on the uppermost layer to axially compress each workpiece 3.
Optionally, the swaging part 22 includes a swaging block 221 and a swaging nut 222 screwed to the guide stud 212; the swaging block 221 is provided with a through hole suitable for the guide stud 212 to pass through; a sliding rod 223 suitable for being inserted into the sliding groove 2111 is fixedly connected to the lower end face of the swaging block 221; when the device is used, after each workpiece 3 is sleeved in the mounting seat 4, the material pressing block 221 is sleeved in the guide stud 212, namely the guide stud 212 penetrates through the through hole, the material pressing nut 222 is screwed in to enable the material pressing block 221 to press the workpiece 3, and the lifting linearity of the material pressing block 221 is limited by the sliding rod 223 sliding in the sliding groove 2111, so that the pressing effect of the material pressing block 221 on the workpiece 3 is guaranteed.
Optionally, one end of the swage block 221, which is located away from the central axis of the mount 4, is provided with a trapezoidal pressing head 224; the pressing head 224 can press the workpiece 3, and the contact area between the pressing block 221 and the workpiece 3 is reduced, so that the pressure between the pressing head 224 and the workpiece 3 is higher, and the pressing effect of the pressing head 224 on the workpiece 3 is better.
Referring to fig. 5 and 6, fig. 5 is a schematic cross-sectional view of a preferred embodiment of the material pressing block of the present invention; FIG. 6 is a schematic structural view of a preferred embodiment of the torsion spring of the present invention; as shown in fig. 1 to 6, it should be noted that, since the mounting seat 4 of the present application is conventional, in order to clamp as many workpieces 3 as possible without increasing the cost, the workpieces 3 are clamped beyond the upper end surface of the mounting seat 4, and the workpieces 3 beyond the mounting seat 4 cannot be pressed from the inside by the pressing bolt 52, so that when the top-layer workpiece 3 is machined, the workpiece 3 may move, and in order to solve the above problem, it is necessary to design a solution that the lower end surface of the swaging block 221 is provided with a notch 2221; the slot 2221 is fixedly connected with a rotating shaft 2222, the rotating shaft 2222 crosses two inner side walls of the slot 2221, and a torsion spring 2223 is sleeved outside the rotating shaft 2222; two extending ends of the torsion spring 2223 are respectively a jacking end 2224 capable of contacting with the top wall of the workpiece 3 and a pushing end 2225 capable of contacting with the inner wall of the workpiece 3; the included angle between the jacking end 2224 and the pushing end 2225 is less than 90 degrees; when the compressing head 224 compresses the workpiece 3, the upper end face of the workpiece 3 can push the jacking end 2224 to make the torsion spring 2223 rotate around the rotating shaft 2222, namely, the pushing end 2225 tilts to jack the workpiece 3 tightly in the radial direction, the resilience of the torsion spring 2223 is used for clamping the workpiece 3 on the top layer, so that the phenomenon of displacement in the machining process of the workpiece 3 on the top layer is avoided, and the machining quality of all workpieces 3 is improved.
Optionally, the upper end surface of the mounting base 4 is provided with a plurality of limiting holes 41, the limiting holes 41 are in an inverted T shape, the limiting holes 41 penetrate through the mounting base 4 along the radial direction of the mounting base 4, the position of each limiting hole 41 corresponds to the positions of the cushion block 211 and the guide stud 212, two sliding blocks 42 capable of sliding along the limiting holes 41 are arranged in the limiting holes 41, during mounting, the bottom end of the guide stud 212 is in threaded connection with one sliding block 42, the bottom end of the cushion block 211 is in threaded connection with the other sliding block 42, the sliding blocks 42 are inserted into the limiting holes 41 from the length direction of the limiting holes 41, and when the guide studs 212 and the cushion block 211 are mounted at the top of the sliding blocks 42, the sliding blocks 42 cannot be separated from the upper parts of the limiting holes 41, so that the cushion blocks 211 and the guide studs 212 are.
Optionally, a plurality of fixing seats 6 are circumferentially and uniformly distributed at the bottom of the tool main body 1, wherein the tool main body 1 is fixed on the equipment workbench through screws penetrating through the fixing seats 6, so that the outer wall of the mounting seat 4 is concentric with the equipment workbench, and the processing stability of the workpiece 3 is guaranteed.
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, a schematic representation of the term does not necessarily 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.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (8)
1. A clamp for machining a slewing bearing gear comprises a tool main body and a plurality of material pressing mechanisms which are uniformly distributed in the circumferential direction; it is characterized in that the preparation method is characterized in that,
the upper end face of the tool main body is integrally provided with a mounting seat concentric with the tool main body;
the workpiece is supported on the upper end face of the tool main body and sleeved outside the mounting seat;
a plurality of jacking screw holes are uniformly formed in the circumferential direction of the mounting seat; and
the internal thread of the jacking screw hole is connected with a jacking bolt; wherein
After each workpiece is sleeved in the mounting seat, the corresponding jacking bolt is screwed into the corresponding jacking screw hole and radially jacks against the inner wall of the corresponding workpiece.
2. The jig for slewing bearing gear machining according to claim 1,
the pressing mechanism comprises a guide part and a pressing part which are fixed on the upper end surface of the mounting seat; wherein
After each workpiece is sleeved in the mounting seat, the pressing part can press the workpiece downwards along the guide part.
3. The jig for slewing bearing gear machining according to claim 2,
the guide part comprises a cushion block and a guide stud which are limited on the top wall of the mounting seat;
the top end of the guide stud is in threaded connection with the swaging part;
a sliding groove suitable for the material pressing part to be inserted is formed in the central axis of the cushion block; wherein
After each workpiece is sleeved in the mounting seat, the pressing part can be screwed into the guide stud and slides along the cushion block to press the workpiece.
4. The jig for slewing bearing gear machining according to claim 3,
the pressing part comprises a pressing block and a pressing nut in threaded connection with the guide stud; and
the pressing block is provided with a through hole suitable for the guide stud to pass through;
the lower end face of the material pressing block is fixedly connected with a sliding rod which is suitable for being inserted into the sliding groove; wherein
After each workpiece is sleeved in the mounting seat, the material pressing block is sleeved in the guide stud, and the material pressing nut is screwed in to push the material pressing block to press the workpiece.
5. The jig for slewing bearing gear machining according to claim 4,
one end of the material pressing block, which is far away from the central axis of the mounting seat, is provided with a trapezoidal pressing head; wherein
The pressing head can press the workpiece.
6. The jig for slewing bearing gear machining according to claim 5,
a notch is formed in the lower end face of the material pressing block; and
the notch is fixedly connected with a rotating shaft, and a torsional spring is sleeved outside the rotating shaft;
two extending ends of the torsion spring are respectively a jacking end capable of being in contact with the top wall of the workpiece and a pushing end capable of being in contact with the inner wall of the workpiece;
the included angle between the jacking end and the pushing end is smaller than 90 degrees; wherein
When the pressing head presses the workpiece, the end face of the workpiece pushes the jacking end to enable the torsion spring to tilt around the rotating shaft, so that the pushing end radially jacks the workpiece.
7. The jig for slewing bearing gear machining according to claim 6,
the upper end surface of the mounting seat is provided with a plurality of limiting holes corresponding to the material pressing mechanism;
the limiting hole extends in the radial direction; and
two sliding blocks are arranged in the limiting hole in a sliding manner, wherein
The guide studs and the cushion blocks are respectively fixed with the corresponding sliding blocks through threads.
8. The jig for slewing bearing gear machining according to claim 7,
a plurality of fixing seats are uniformly distributed at the bottom of the tool main body in the circumferential direction, wherein
The tool main body is fixed on the equipment workbench through a screw penetrating through the fixing seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021085461.0U CN211103640U (en) | 2020-06-12 | 2020-06-12 | Clamp for machining slewing bearing gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021085461.0U CN211103640U (en) | 2020-06-12 | 2020-06-12 | Clamp for machining slewing bearing gear |
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| Publication Number | Publication Date |
|---|---|
| CN211103640U true CN211103640U (en) | 2020-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021085461.0U Active CN211103640U (en) | 2020-06-12 | 2020-06-12 | Clamp for machining slewing bearing gear |
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| CN (1) | CN211103640U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112846859A (en) * | 2021-02-22 | 2021-05-28 | 四川明日宇航工业有限责任公司 | Machining tool for missile shell and clamping method of machining tool |
| CN114102429A (en) * | 2021-10-29 | 2022-03-01 | 重庆秦石机械有限公司 | Gear pitch circle fixture positioning tool |
-
2020
- 2020-06-12 CN CN202021085461.0U patent/CN211103640U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112846859A (en) * | 2021-02-22 | 2021-05-28 | 四川明日宇航工业有限责任公司 | Machining tool for missile shell and clamping method of machining tool |
| CN114102429A (en) * | 2021-10-29 | 2022-03-01 | 重庆秦石机械有限公司 | Gear pitch circle fixture positioning tool |
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