CN211504526U - Workpiece pressing device capable of meeting high-speed rotation balance requirement - Google Patents
Workpiece pressing device capable of meeting high-speed rotation balance requirement Download PDFInfo
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- CN211504526U CN211504526U CN201922449297.0U CN201922449297U CN211504526U CN 211504526 U CN211504526 U CN 211504526U CN 201922449297 U CN201922449297 U CN 201922449297U CN 211504526 U CN211504526 U CN 211504526U
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- backing ring
- cylindrical backing
- speed rotation
- pull rod
- semicircular
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Abstract
The utility model relates to a spare part processing technology field, concretely relates to satisfy work piece closing device of high-speed rotation balance requirement. The specific technical scheme is as follows: a workpiece pressing device meeting the requirement of high-speed rotation balance comprises a pull rod, wherein one end of the pull rod is connected with an automatic tensioning device of a machine tool, and the other end of the pull rod is provided with a stop block perpendicular to the pull rod; the pull rod is detachably connected with a cylindrical backing ring, a semicircular key which is symmetrical up and down is arranged at one end in the cylindrical backing ring, the planar length of the semicircular key is smaller than the diameter of the cylindrical backing ring, and the cambered surface of the semicircular key is attached to the inner wall of the cylindrical backing ring; the stop block penetrates through a gap formed by the two semicircular keys and the cylindrical backing ring, and then the cylindrical backing ring is rotated to enable the inner side surface of the semicircular key to be attached to the plane of the stop block. The utility model provides a process the problem that high accuracy work piece dynamic balance can not satisfy the demands among the prior art.
Description
Technical Field
The utility model relates to a spare part processing technology field, concretely relates to satisfy work piece closing device of high-speed rotation balance requirement.
Background
In processing equipment such as lathes, gear hobbing machines and the like, a gasket is required to be used for pressing a workpiece, if an opening gasket is used for pressing and processing a high-precision workpiece (such as processing an outer circular surface, an end surface and the like) on the lathe, the opening gasket is partially lacking, so that the dynamic balance cannot be ensured during high-speed rotation, and the processing precision of the workpiece cannot be ensured due to the fact that the equipment vibrates during high-speed rotation, so that a dynamic balance device needs to be added to solve the problem of dynamic balance, and the cost and the investment of the dynamic balance device are high. Therefore, in order to solve the above problems, a new workpiece pressing device is urgently needed.
Disclosure of Invention
The utility model provides a to prior art not enough, the utility model provides a satisfy work piece closing device of high-speed rotation balance requirement has solved the problem that processing high accuracy work piece dynamic balance can not satisfy the requirement among the prior art.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:
the utility model discloses a workpiece pressing device which meets the requirement of high-speed rotation balance, which comprises a pull rod, wherein one end of the pull rod is connected with an automatic tensioning device of a machine tool, and the other end of the pull rod is provided with a stop block which is vertical to the pull rod; the stop block is detachably connected with a cylindrical backing ring, one end in the cylindrical backing ring is provided with a semicircular key which is symmetrical up and down, the planar length of the semicircular key is smaller than the diameter of the cylindrical backing ring, and the cambered surface of the semicircular key is attached to the inner wall of the cylindrical backing ring; the stop block penetrates through a gap formed by the two semicircular keys and the cylindrical backing ring, and then the cylindrical backing ring is rotated to enable the inner side surface of the semicircular key to be attached to the plane of the stop block.
Preferably, the thickness of the two semicircular keys is smaller than that of the cylindrical backing ring.
Preferably, the outer side surfaces of the two semicircular keys are flush with the end surface of one end of the cylindrical backing ring.
Preferably, two one side that the semicircle key with cylindrical backing ring terminal surface flushes is provided with the direction inclined plane, the direction inclined plane by the plane of semicircle key to the lateral surface slope of semicircle key.
Preferably, triangular barrier strips which are symmetrical relative to the axis of the cylindrical backing ring are arranged in the cylindrical backing ring along the length direction of the cylindrical backing ring, the inclined planes of the two triangular barrier strips are attached to the inner wall of the cylindrical backing ring, and one end face of each of the two triangular barrier strips is fixed to the end part of the inner side face of each of the two semicircular keys.
Preferably, the other end face of the two triangular barrier strips is flush with the end face of the other end of the cylindrical backing ring.
Preferably, the thickness of the block is the same as the length of the triangular barrier strip.
Preferably, the shape of dog is cuboid and width direction's both ends are the arc, and arc size and two the arc size in waist type hole that forms between semicircle key and the cylindrical backing ring is unanimous.
The utility model discloses possess following beneficial effect:
the utility model discloses a set up two symmetrical semicircle keys in cylindrical backing ring, make and form waist type hole between two semicircle keys and the cylindrical backing ring, and make and fix and can pass this waist type hole at the dog of pull rod tip. And, still be provided with two triangle-shaped blend stops that correspond rather than the axle center in cylindrical backing ring, this triangle-shaped blend stop makes cylindrical backing ring rotatory 90 backs, its side contacts with the dog plane that is located cylindrical backing ring, thereby make cylindrical backing ring can't continue to rotate again, remove the pull rod to compressing tightly cylindrical backing ring direction again, thereby the plane of the dog on the pull rod compresses tightly cylindrical backing ring and compresses tightly the work piece, the relative position that the work piece is located the lateral surface of two semicircle keys and the terminal surface of cylindrical backing ring one end flushes, thereby solved the high-speed occasion that has the unsatisfied requirement of dynamic balance of rotating of opening gasket, guarantee that dynamic balance satisfies the requirement, thereby make the processing work piece satisfy the required precision.
Drawings
FIG. 1 is a schematic view of the connecting structure of the pull rod and the stop block of the present invention;
FIG. 2 is a front perspective view of a cylindrical backing ring;
FIG. 3 is a rear perspective view of a cylindrical backing ring;
FIG. 4 is a front view of FIG. 2;
FIG. 5 is a schematic view of the installation of the pull rod (including the stopper) into the cylindrical backing ring;
FIG. 6 is a schematic view of the tension state of the pull rod (including the stopper) and the cylindrical backing ring;
in the figure: the pull rod comprises a pull rod 1, a stop block 2, a cylindrical backing ring 3, a semicircular key 4, a triangular barrier strip 5 and a guide inclined plane 6.
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 work belong to the protection scope of the present invention.
Unless otherwise indicated, the technical means used in the examples are conventional means well known to those skilled in the art.
Referring to fig. 1-6, the utility model discloses a workpiece pressing device satisfying the requirement of high-speed rotation balance, comprising a pull rod 1, one end of the pull rod 1 is connected with an automatic tensioning device of a machine tool, the automatic tensioning device can move along the tensioning direction, the other end is provided with a stop block 2 vertical to the pull rod 1, the pull rod 1 is fixed at the center of the stop block 2; can dismantle on dog 2 and be connected with cylindrical backing ring 3, one end is provided with the semicircle key 4 of longitudinal symmetry in the cylindrical backing ring 3, and the planar length of semicircle key 4 is less than the diameter of cylindrical backing ring 3, and the cambered surface of semicircle key 4 and the inner wall laminating of cylindrical backing ring 3, the thickness of two semicircle keys 4 is less than the thickness of cylindrical backing ring 3, and the lateral surface of two semicircle keys 4 flushes with the terminal surface of 3 one ends of cylindrical backing ring. Triangular barrier strips 5 which are symmetrical relative to the axis of the cylindrical backing ring 3 are arranged in the cylindrical backing ring 3 along the length direction of the cylindrical backing ring 3, the inclined planes of the two triangular barrier strips 5 are attached to the inner wall of the cylindrical backing ring 3, and one end face of each of the two triangular barrier strips 5 is fixed with the end part of the inner side face of each of the two semicircular keys 4 respectively. The other end surfaces of the two triangular barrier strips 5 are flush with the end surface of the other end of the cylindrical backing ring 3. The stop block 2 penetrates through a gap formed by the two semicircular keys 4 and the inner wall of the cylindrical backing ring 3, and then the cylindrical backing ring 3 is rotated to enable the inner side surface of the semicircular key 4 to be attached to the plane of the stop block 2. The thickness of dog 2 is the same with the length of triangle-shaped blend stop 5, makes dog 2 and the medial surface laminating back of semicircle key 4, and the side of its dog 2 flushes with cylindrical backing ring 3's terminal surface to better compress tightly the work piece.
It should be understood that: the half-round key 4 is not a standard component, but the structure fixed in the cylindrical backing ring 3 of the utility model is the same as the shape of the half-round key 4. The outer side of the woodruff key 4 refers to the side facing the outside of the cylindrical backing ring 3 and the inner side refers to the side facing the inside of the cylindrical backing ring 3. Two 4 symmetries of semicircle key are fixed on the inner wall of cylindrical backing ring 3, its cambered surface is fixed with the inner wall of cylindrical backing ring 3, the lateral surface of two semicircle key 4 flushes with the terminal surface of cylindrical backing ring 3 (corresponding with following other end terminal surface), and form a waist type hole between two semicircle key 4 and the cylindrical backing ring 3, and the shape in dog 2 is the same with the shape in this waist type hole, the both ends that the shape of dog 2 is cuboid and width direction are the arc promptly, and the arc size in the waist type hole that forms between arc size and two semicircle key 4 and the cylindrical backing ring 3 is unanimous.
The triangular barrier strips 5 are arranged on the inner wall of the cylindrical backing ring 3 positioned on the inner side surfaces of the two semicircular keys 4, namely, the end surfaces of one ends of the two triangular barrier strips 5 are fixed with the inner side surfaces of the two semicircular keys 4 and are fixed at the positions of the end parts of the semicircular keys 4, specifically, the positions of two ends of the inner side surfaces of the semicircular keys 4, and the inclined surfaces are fixed with the inner wall of the cylindrical backing ring 3; the end surface of the other end of the two triangular barrier strips 5 is flush with the end surface of the other end of the cylindrical backing ring 3. Referring to fig. 5, the cross section of the two triangular bars 5 is a right triangle and is symmetrical with respect to the axis of the cylindrical backing ring 3. In the utility model, the triangular barrier strip 5 is arranged at the right end part of the side surface of the semicircular key 4, and with specific reference to fig. 3, when the plane of the semicircular key 4 is upward, the end surface of the triangular barrier strip 5 is fixed at the right end of the inner side surface of the semicircular key 4; similarly, the other half-round key 4 and the triangular barrier 5 are arranged at the same position.
Further, in order to make dog 2 be convenient for insert two semicircle keys 4 and cylindrical backing ring 3 and form waist type downthehole, be provided with the direction inclined plane 6 towards the incline of 4 lateral surfaces of semicircle key in 4 planar edges of semicircle key, just also be provided with direction inclined plane 6 with one side that 3 terminal surfaces of cylindrical backing ring flush of two semicircle keys 4, direction inclined plane 6 is by the plane of semicircle key 4 to the incline of the lateral surface of semicircle key 4. Moreover, the diameter of the excircle of the pull rod 1 is the same as the width of the waist-shaped hole on the cylindrical backing ring 3, so that the center of the cylindrical backing ring 3 is concentric with the rotation center of the equipment after the cylindrical backing ring 3 is installed in the pull rod 1.
When the cylindrical backing ring 3 is used, referring to fig. 1, the stopper 2 is aligned with the kidney-shaped hole, so that the stopper 2 is inserted into the cylindrical backing ring 3; then referring to fig. 2, the cylindrical backing ring 3 is rotated 90 degrees counterclockwise, so that the side surfaces of the two triangular barrier strips 5 block the stopper 2, and the stopper 2 cannot rotate any more, i.e. the kidney-shaped hole formed on the cylindrical backing ring 3 can rotate around the outer circle of the pull rod 1. At this moment, the two end faces in the length direction of the stop block 2 are attached to the inner side faces of the two semicircular keys 4, the other side face, corresponding to the pull rod 1, of the stop block 2 is flush with the end face of the cylindrical backing ring 3, the pull rod 1 is moved towards the direction of pressing the cylindrical backing ring 3, and the plane of the stop block 2 on the pull rod 1 presses the cylindrical backing ring 3 to press a workpiece.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description of the present invention, and do not indicate or imply that the device or element so 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.
The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should also be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to fall within the scope of the present invention as defined in the appended claims.
Claims (8)
1. The utility model provides a satisfy work piece closing device of high-speed rotation balance requirement, includes pull rod (1), its characterized in that: one end of the pull rod (1) is connected with an automatic tensioning device of a machine tool, and the other end of the pull rod is provided with a stop block (2) vertical to the pull rod (1); the check block (2) is detachably connected with a cylindrical backing ring (3), a semicircular key (4) which is symmetrical up and down is arranged at one end in the cylindrical backing ring (3), the plane length of the semicircular key (4) is smaller than the diameter of the cylindrical backing ring (3), and the cambered surface of the semicircular key (4) is attached to the inner wall of the cylindrical backing ring (3); the check block (2) penetrates through a gap formed by the two semicircular keys (4) and the cylindrical backing ring (3) and then rotates the cylindrical backing ring (3) to enable the inner side face of the semicircular keys (4) to be attached to the plane of the check block (2).
2. The workpiece pressing device meeting the high-speed rotation balance requirement as set forth in claim 1, wherein: the thickness of the two semicircular keys (4) is smaller than that of the cylindrical backing ring (3).
3. The workpiece pressing device meeting the high-speed rotation balance requirement as set forth in claim 2, wherein: the outer side surfaces of the two semicircular keys (4) are flush with the end surface of one end of the cylindrical backing ring (3).
4. The workpiece pressing device meeting the high-speed rotation balance requirement as set forth in claim 3, wherein: two one side that semicircle key (4) with cylindrical backing ring (3) terminal surface flushes is provided with direction inclined plane (6), direction inclined plane (6) by the plane of semicircle key (4) to the lateral surface slope of semicircle key (4).
5. The workpiece pressing device meeting the high-speed rotation balance requirement as set forth in claim 3, wherein: follow in the cylindrical backing ring (3) length direction be provided with for triangular barrier strip (5), two of cylindrical backing ring (3) axle center symmetry the inclined plane of triangular barrier strip (5) with the inner wall laminating of cylindrical backing ring (3), two one of them terminal surface and two of triangular barrier strip (5) the medial surface tip of semicircle key (4) is fixed respectively.
6. The workpiece pressing device meeting the high-speed rotation balance requirement as set forth in claim 5, wherein: the other end surfaces of the two triangular barrier strips (5) are flush with the end surface of the other end of the cylindrical backing ring (3).
7. The workpiece pressing device meeting the high-speed rotation balance requirement as set forth in claim 6, wherein: the thickness of the stop block (2) is the same as the length of the triangular stop strip (5).
8. The workpiece pressing device meeting the high-speed rotation balance requirement as set forth in claim 1, wherein: the shape of dog (2) is cuboid and width direction's both ends are the arc, and arc size is unanimous with two the arc size in the waist type hole that forms between semicircle key (4) and cylindrical backing ring (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922449297.0U CN211504526U (en) | 2019-12-30 | 2019-12-30 | Workpiece pressing device capable of meeting high-speed rotation balance requirement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922449297.0U CN211504526U (en) | 2019-12-30 | 2019-12-30 | Workpiece pressing device capable of meeting high-speed rotation balance requirement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211504526U true CN211504526U (en) | 2020-09-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922449297.0U Active CN211504526U (en) | 2019-12-30 | 2019-12-30 | Workpiece pressing device capable of meeting high-speed rotation balance requirement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211504526U (en) |
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2019
- 2019-12-30 CN CN201922449297.0U patent/CN211504526U/en active Active
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