CN212497191U - Cycloidal gear hole grinding clamp - Google Patents
Cycloidal gear hole grinding clamp Download PDFInfo
- Publication number
- CN212497191U CN212497191U CN202021228757.3U CN202021228757U CN212497191U CN 212497191 U CN212497191 U CN 212497191U CN 202021228757 U CN202021228757 U CN 202021228757U CN 212497191 U CN212497191 U CN 212497191U
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- cycloid wheel
- pressing
- hole
- chuck
- mounting
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Abstract
The utility model discloses a cycloidal gear grinds hole anchor clamps, including base, chuck, jack catch, cushion, locating pin, compress tightly anchor clamps and driver. When fixing the cycloid wheel, place the cycloid wheel on the cushion, and make the through-hole that does not process on the cycloid wheel overlap on the locating pin, restricted the rotation of cycloid wheel through three group at least locating pins, then compress tightly in the cycloid wheel edge through the equidirectional not of at least three jack catch along the cycloid wheel periphery to restricted the cycloid wheel and removed along the horizontal direction, compressed tightly in the cycloid wheel upper surface through compressing tightly anchor clamps, thereby avoided the beat of cycloid wheel in the vertical direction. This scheme is the butt restriction to the mode that the cycloid wheel is beated or is rotated and carry out the restriction, compares in the friction restriction, and the restriction effect is better, and is lower to the pressure requirement of anchor clamps, and more is difficult to damage cycloid wheel surface quality, for prior art, more is fit for the cycloid wheel.
Description
Technical Field
The utility model relates to an anchor clamps field, especially a cycloidal gear grinds hole anchor clamps.
Background
The cycloid wheel is one of the important parts of the RV reducer, the requirements on the machining precision and the surface quality of a bearing hole are high, the overall performance of the cycloid wheel is determined by the quality of the machining quality, and then the using effect of the whole RV reducer is influenced. The cycloidal gear hole grinding clamp has the significance that the cycloidal gear is limited, positioned and clamped when the cycloidal gear is subjected to hole grinding. The main clamping mode of the traditional clamp for the cycloid wheel is that the periphery of the cycloid wheel is clamped through a three-jaw chuck, the clamp is abutted to the cycloid wheel to limit the swinging of the cycloid wheel in the corresponding direction, the friction force between the clamp and the surface of the cycloid wheel limits the rotation of the cycloid wheel and the swinging of the vertical direction, the clamp is required to tightly press the cycloid wheel with larger pressure in the mode, the swinging is easy to generate once the pressure of the clamp is insufficient, and the surface quality of the cycloid wheel is easy to damage due to the rotation and the swinging of the cycloid wheel limited by the friction force.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, an object of the utility model is to provide a design to the cycloid wheel specially, can effectual fixed cycloid wheel prevent that it from beating and pivoted cycloid wheel grinds hole anchor clamps.
The utility model discloses a technical scheme that the solution problem adopted is: a cycloidal gear hole grinding fixture, comprising:
the base, the base middle part is provided with the chuck, the chuck upper surface is provided with the at least three jack catch that can move towards the chuck center in step along circumference, the chuck surface is provided with the cushion that is used for accepting the cycloid wheel, the chuck middle part is provided with three group at least and is used for fixing a position the locating pin of cycloid wheel middle part through-hole, base week side is provided with two at least clamp, clamp tip is provided with the pressure head that is used for supporting the cycloid wheel upper surface, the base bottom is provided with the driver that links to each other and drives its edge chuck surface removal with the jack catch.
As a further improvement of the above technical solution, the pressing jig includes:
the clamping fixture main body is fixed on the upper surface of the base;
one end of the pressing handle is pivoted on the clamping fixture main body, the other end of the pressing handle is provided with an adjusting screw hole, and the lower side surface of the pressing handle can be abutted against the upper end of the clamping fixture main body;
the bottom of the handle is pivoted on the clamping fixture body, the middle of the handle is pivoted with two handle connecting blocks, the other ends of the two handle connecting blocks are pivoted with the middle of the pressing plate, and the side surfaces of the two handle connecting blocks are provided with stop blocks;
the pressing plate bolt is installed in the adjusting screw hole and can move up and down relative to the adjusting screw hole, and the pressing head is installed at the bottom of the pressing plate bolt.
As a further improvement of the above technical solution, the upper surface of the clamping fixture main body is parallel to the horizontal plane, a convex plate is arranged at the rear end of the upper surface of the clamping fixture main body, the pressing handle is pivoted on the convex plate, and the pressing plate bolt is perpendicular to the axis of the pressing handle.
As a further improvement of the above technical scheme, the center of chuck bottom is provided with the installation blind hole, the lateral wall of installation blind hole is provided with a plurality of installation chambeies, be provided with the pin joint axle in the installation chamber, the output that the driver is located chuck below and driver can reciprocate along the installation blind hole, the output side of driver is provided with a plurality of first mounting holes, the chuck surface is provided with the mounting groove that is used for installing the jack catch, the mounting groove bottom is provided with the perforation that is linked together with the installation chamber, the bottom of jack catch is provided with the second mounting hole, the epaxial pin joint of pin joint has one can the pin joint axle be central wobbling gas claw, the front end of gas claw is inserted and is located in the second mounting hole, the end of gas claw is inserted and is located in the first mounting.
As a further improvement of the technical scheme, the air claw is L-shaped.
As a further improvement of the above technical solution, the jaw includes:
the first sliding block is arranged in the mounting groove and can move along the mounting groove, the second mounting hole is formed in the bottom of the first sliding block, a sliding groove is formed in the upper surface of the first sliding block, and first raised grains are formed in the upper surface of the first sliding block;
the second sliding block is arranged in the sliding groove and can horizontally move along the sliding groove;
the pressure strip, the pressure strip install in on the second slider, the pressure strip bottom be provided with the second raised grain of first raised grain butt block.
As a further improvement of the above technical solution, the upper surface of the second slider is lower than the upper surface of the first slider.
As a further improvement of the technical scheme, the number of the pressing clamps is three, and the three pressing clamps are uniformly arranged on the surface of the base along the circumferential direction of the base.
As a further improvement of the technical scheme, the number of the clamping jaws is three, and the three pressing clamps and the three clamping jaws are arranged in an equidistant and staggered mode.
As a further improvement of the technical scheme, the driver is a piston cylinder.
The utility model has the advantages that: when the cycloid wheel is fixed, the cycloid wheel is placed on the cushion block, the unmachined through hole on the cycloid wheel is sleeved on the locating pin, the cushion block is arranged, so that the cycloid wheel is not directly contacted with the bottom of the chuck, thereby ensuring that the grinding wheel can not directly touch the surface of the chuck when grinding the hole, ensuring the grinding quality of the cycloidal gear, limiting the rotation of the cycloidal gear through at least three groups of positioning pins, then the edge of the cycloid wheel is pressed tightly along different directions of the periphery of the cycloid wheel through at least three clamping jaws, thereby limiting the cycloid wheel to move along the horizontal direction, and because the positioning pin limits the rotation of the cycloid wheel from the inner part of the cycloid wheel, compared with the prior art, the pressure of the clamping jaw on the side surface of the cycloid wheel can be reduced, therefore, the surface quality of the cycloid wheel is protected, and the pressing clamp is pressed on the upper surface of the cycloid wheel, so that the vertical jumping of the cycloid wheel is avoided. The mode that this scheme restricted is beated or rotates the cycloid wheel is the butt restriction between face and the face, and the restriction effect is better, and is lower to the pressure requirement of anchor clamps, and more be difficult to harm cycloid wheel surface quality, for prior art, more is fit for the cycloid wheel.
Drawings
The invention will be further explained with reference to the drawings and the detailed description.
FIG. 1 is a schematic structural diagram of a preferred embodiment of the present invention;
FIG. 2 is a schematic view of a sectional view taken along the line A-A in FIG. 1;
FIG. 3 is a schematic view of a base and the parts thereon.
Detailed Description
This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does 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.
In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
Referring to fig. 1 to 3, a cycloidal gear hole grinding jig includes:
When the cycloid wheel is fixed, the cycloid wheel is placed on a cushion block 70, a through hole which is not processed on the cycloid wheel is sleeved on a positioning pin 50, the cycloid wheel is not directly contacted with the bottom of a chuck 20 through the cushion block 70, so that a grinding wheel can not directly touch the surface of the chuck 20 during hole grinding, the grinding quality of the cycloid wheel is ensured, the rotation of the cycloid wheel is limited through at least three groups of positioning pins 50, then the edge of the cycloid wheel is tightly pressed along different directions of the periphery of the cycloid wheel through at least three clamping jaws 30, the movement of the cycloid wheel along the horizontal direction is limited, and the rotation of the cycloid wheel is limited by the positioning pin 50 from the inside of the cycloid wheel, so compared with the prior art, the pressure of the clamping jaws 30 on the side surface of the cycloid wheel can be reduced, the surface quality of the cycloid wheel is protected, and the upper surface of the cycloid wheel is tightly pressed through a pressing clamp, thereby avoiding the vertical jumping of the cycloid wheel. The mode that this scheme restricted is beated or rotates the cycloid wheel is the butt restriction between face and the face, and the restriction effect is better, and is lower to the pressure requirement of anchor clamps, and more be difficult to harm cycloid wheel surface quality, for prior art, more is fit for the cycloid wheel.
Further, preferably, the pressing jig 40 includes:
a clamping jig main body 41, the clamping jig main body 41 being fixed to an upper surface of the base 10;
one end of the pressing handle 42 is pivoted on the clamping fixture main body 41, the other end of the pressing handle 42 is provided with an adjusting screw hole, and the lower side surface of the pressing handle 42 can be abutted with the upper end of the clamping fixture main body 41;
the bottom of the handle 43 is pivoted on the clamping fixture body 41, the middle of the handle 43 is pivoted with a two-handle connecting block 44, the other end of the two-handle connecting block 44 is pivoted with the middle of the pressing plate, and a stop block 441 is arranged on the side surface of the two-handle connecting block 44;
and the pressing plate bolt 45 is installed in the adjusting screw hole and can move up and down relative to the adjusting screw hole, and the pressing head 46 is installed at the bottom of the pressing plate bolt 45.
In this way, a first rod body is arranged between the pivot point of the pressing handle 42 and the clamping fixture body 41 and the pivot point of the pressing handle 42 and the two-handle connecting block 44, a second rod body is arranged between the pivot point of the pressing handle 42 and the clamping fixture body 41 and the pivot point of the handle 43 and the clamping fixture body 41, a third rod body is arranged between the pivot point of the handle 43 and the two-handle connecting block 44 and the pivot point of the handle 43 and the clamping fixture body 41, a fourth rod body is arranged between the pivot point of the handle 43 and the two-handle connecting block 44 and the pivot point of the pressing handle 42 and the two-handle connecting block 44, so that a four-rod crank-rocker mechanism is formed by the mutual pivoting of the four rod bodies, the pressing handle 42 can be driven to move by the control handle 43, and the pressing head 46 arranged at the tail end of the pressing plate presses or leaves the surface of the cycloid wheel, when the handle 43 drives the lower side surface of the pressing handle 42 to abut against, the stop block 441 is also pressed at the upper end of the pressing handle 42, and is a dead point of the crank and rocker mechanism, the dead point cannot pass through the stop block 441, and the reaction force generated by the cycloid wheel to the pressing head 46 is parallel to the directions of the third section rod body and the fourth section rod body, so that the crank and rocker mechanism cannot be changed under the condition that the handle 43 is pulled back without external force, the cycloid wheel can be perfectly pressed, and the height of the pressing head 46 can be adjusted by adjusting the positions of the pressing plate bolt 45 and the adjusting screw hole.
The embodiment of the pressing fixture 40 may also be other existing manners, for example, a mounting plate is disposed on the base 10, a vertical screw is mounted on the mounting plate, and the bottom of the screw is provided with the pressing head 46, so the specific manner of the pressing fixture 40 is not exhaustively described herein.
In a further improvement, preferably, the upper surface of the clamping fixture body 41 is parallel to the horizontal plane, a convex plate is arranged at the rear end of the upper surface of the clamping fixture body 41, the pressing handle 42 is pivoted on the convex plate, and the pressing plate bolt 45 is perpendicular to the axis of the pressing handle 42.
Further improve, in the above scheme, preferably, the center of the bottom of the chuck 20 is provided with a mounting blind hole 21, the side wall of the mounting blind hole 21 is provided with a plurality of mounting cavities 22, a pivot shaft 23 is arranged in the mounting cavity 22, the driver is located below the chuck 20 and the output end of the driver can move up and down along the mounting blind hole 21, the side surface of the output end of the driver is provided with a plurality of first mounting holes 61, the surface of the chuck 20 is provided with a mounting groove for mounting the clamping jaw 30, the bottom of the mounting groove is provided with a through hole communicated with the mounting cavity 22, the bottom of the clamping jaw 30 is provided with a second mounting hole 321, the pivot shaft 23 is pivoted with an air claw 24 swinging around the pivot shaft 23, the front end of the air claw 24 is inserted into the second mounting hole 321, and the tail end of the air claw 24 is inserted into the first mounting hole. In this way, when the output end of the driver moves up and down, the pneumatic claw 24 can be driven to swing, the front end of the pneumatic claw 24 can move in a horizontal direction and a vertical direction due to the swing, the movement of the front end of the pneumatic claw 24 in the vertical direction is carried out along the depth direction of the second mounting hole 321, the movement of the pneumatic claw 24 in the vertical direction cannot act on the clamping jaw due to the second mounting hole 321, the movement of the front end of the pneumatic claw 24 in the horizontal direction can be blocked by the side wall of the second mounting hole 321, and therefore the clamping jaw can be driven to move horizontally in the swing process of the pneumatic claw 24.
Further modified, in order to achieve the best effect of horizontal movement of the clamping jaws, the air claw 24 is preferably in an L shape.
Further improved, it is preferable that the jaw 30 includes:
the first sliding block 32 is installed in the installation groove and can move along the installation groove, the second installation hole 321 is formed in the bottom of the first sliding block 32, a sliding groove is formed in the upper surface of the first sliding block 32, and first raised grains are formed in the upper surface of the first sliding block 32;
the second sliding block 33 is arranged in the sliding groove and can horizontally move along the sliding groove;
the pressure strip 31, the pressure strip 31 install in on the second slider 33, the pressure strip 31 bottom is provided with the second raised grain with first raised grain butt block.
During the use, adjust the position that second slider 33 is located first slider 32, then install pressure strip 31 on second slider 33 to make second raised grain and first raised grain butt block, and then make pressure strip 31 and second slider 33 dead relatively, adjust the position through second slider 33, thereby can change the relative position of pressure strip 31 and first slider 32 before the installation, and then adjust the position of pressure strip 31, it is preferred on this basis that second slider 33 upper surface is less than first slider 32 upper surface.
Further, preferably, the number of the pressing clamps 40 is three, and the three pressing clamps 40 are uniformly arranged on the surface of the base 10 along the circumferential direction of the base 10.
For the same reason, preferably, the number of the clamping jaws 30 is three, and the three pressing clamps 40 and the three clamping jaws 30 are arranged in an equally spaced and staggered manner.
Further developed, preferably the actuator is a piston cylinder 60.
The above is only the preferred embodiment of the present invention, not limiting the patent scope of the present invention, all of which are under the concept of the present invention, the equivalent structure transformation made by the contents of the specification and the drawings is utilized, or the direct or indirect application is included in other related technical fields in the patent protection scope of the present invention.
Claims (10)
1. The utility model provides a cycloidal gear grinds hole anchor clamps which characterized in that includes:
base (10), base (10) middle part is provided with chuck (20), chuck (20) upper surface is provided with at least three jack catch (30) that can move towards chuck (20) center in step along circumference, chuck (20) surface is provided with cushion (70) that are used for accepting the cycloid wheel, chuck (20) middle part is provided with three group at least and is used for fixing a position locating pin (50) of cycloid wheel middle part through-hole, base (10) week side is provided with two at least clamp (40), clamp (40) tip is provided with and is used for supporting head (46) that compress tightly the cycloid wheel upper surface, base (10) bottom is provided with links to each other and drives its driver along chuck (20) surface displacement with jack catch (30).
2. The cycloidal gear hole grinding jig of claim 1 further comprising:
the pressing jig (40) includes:
a clamping jig main body (41), the clamping jig main body (41) being fixed to an upper surface of the base (10);
the pressing handle (42), one end of the pressing handle (42) is pivoted on the clamping fixture main body (41), the other end of the pressing handle (42) is provided with an adjusting screw hole, and the lower side surface of the pressing handle (42) can be abutted against the upper end of the clamping fixture main body (41);
the bottom of the handle (43) is pivoted on the clamping fixture body (41), the middle of the handle (43) is pivoted with two handle connecting blocks (44), the other ends of the two handle connecting blocks (44) are pivoted with the middle of the pressing plate, and the side surfaces of the two handle connecting blocks (44) are provided with stop blocks (441);
the pressing plate bolt (45), the pressing plate bolt (45) install in but adjust the screw and reciprocate relatively, pressing plate bolt (45) bottom is installed the clamp head (46).
3. The cycloidal gear hole grinding jig of claim 2 wherein:
the upper surface of the clamping fixture main body (41) is parallel to the horizontal plane, a convex plate is arranged at the rear end of the upper surface of the clamping fixture main body (41), the pressing handle (42) is pivoted on the convex plate, and the pressing plate bolt (45) is perpendicular to the axis of the pressing handle (42).
4. The cycloidal gear hole grinding jig of claim 1 further comprising:
a blind mounting hole (21) is formed in the center of the bottom of the chuck (20), a plurality of mounting cavities (22) are formed in the side wall of the blind mounting hole (21), a pivot shaft (23) is arranged in the mounting cavity (22), the driver is positioned below the chuck (20) and the output end of the driver can move up and down along the mounting blind hole (21), the side surface of the output end of the driver is provided with a plurality of first mounting holes (61), the surface of the chuck (20) is provided with a mounting groove for mounting the clamping jaws (30), the bottom of the mounting groove is provided with a through hole communicated with the mounting cavity (22), the bottom of the clamping jaw (30) is provided with a second mounting hole (321), the pivot shaft (23) is pivoted with an air claw (24) which can swing by taking the pivot shaft (23) as the center, the front end of the air claw (24) is inserted into the second mounting hole (321), and the tail end of the air claw (24) is inserted into the first mounting hole (61).
5. The cycloidal gear hole grinding jig of claim 4 wherein:
the air claw (24) is L-shaped.
6. The cycloidal gear hole grinding jig of claim 4 wherein:
the jaw (30) comprises:
the first sliding block (32) is installed in the installation groove and can move along the installation groove, the second installation hole (321) is formed in the bottom of the first sliding block (32), a sliding groove is formed in the upper surface of the first sliding block (32), and first raised grains are formed in the upper surface of the first sliding block (32);
the second sliding block (33) is arranged in the sliding groove and can horizontally move along the sliding groove;
pressure strip (31), pressure strip (31) install in on second slider (33), pressure strip (31) bottom is provided with the second raised grain with first raised grain butt block.
7. The cycloidal gear hole grinding jig of claim 6 wherein:
the upper surface of the second sliding block (33) is lower than the upper surface of the first sliding block (32).
8. The cycloidal gear hole grinding jig of claim 1 further comprising:
the number of the pressing clamps (40) is three, and the three pressing clamps (40) are uniformly arranged on the surface of the base (10) along the circumferential direction of the base (10).
9. The cycloidal gear hole grinding jig of claim 1 further comprising:
the number of the clamping jaws (30) is three, and the three pressing clamps (40) and the three clamping jaws (30) are arranged in a staggered mode at equal intervals.
10. The cycloidal gear hole grinding jig of claim 1 further comprising:
the driver is a piston cylinder (60).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021228757.3U CN212497191U (en) | 2020-06-29 | 2020-06-29 | Cycloidal gear hole grinding clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021228757.3U CN212497191U (en) | 2020-06-29 | 2020-06-29 | Cycloidal gear hole grinding clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212497191U true CN212497191U (en) | 2021-02-09 |
Family
ID=74433677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021228757.3U Active CN212497191U (en) | 2020-06-29 | 2020-06-29 | Cycloidal gear hole grinding clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212497191U (en) |
-
2020
- 2020-06-29 CN CN202021228757.3U patent/CN212497191U/en active Active
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