CN211939906U - Milling and clamping device for machining grooved wheel - Google Patents
Milling and clamping device for machining grooved wheel Download PDFInfo
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- CN211939906U CN211939906U CN201922211829.7U CN201922211829U CN211939906U CN 211939906 U CN211939906 U CN 211939906U CN 201922211829 U CN201922211829 U CN 201922211829U CN 211939906 U CN211939906 U CN 211939906U
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- hole
- sheave
- gyration
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Abstract
The utility model discloses a mill double-layered device for processing sheave aims at providing one kind and can effectively improve positioning accuracy's the double-layered device that mills for processing sheave. It includes the base, set up the gyration hole on the base, the front end is pegged graft on the gyration hole, with gyration hole normal running fit's solid of revolution, be fixed in and set up on the solid of revolution, be located the spacing dish of gyration hole rear end, a plurality of use gyration hole as the center, annular equipartition sets up on spacing dish, and the interval and the adjacent processing position interval of sheave the same pinhole, at least one sets up on the base, correspond complex locating hole with the pinhole, peg graft in locating hole and correspond the pin pole on the pinhole, fixed the setting is in the solid of revolution rear end, with the coaxial dabber of gyration hole solid of revolution, fixed the setting is on rear end terminal surface, with the sheave on pin hole complex locating pin, and the screw is twisted the nut in dab. The utility model discloses can lift the performance of host computer after the assembly to a certain extent.
Description
Technical Field
The utility model belongs to the technical field of machining equipment technique and specifically relates to a mill double-layered device for processing sheave is related to.
Background
The grooved pulley is a cylindrical part with irregular helical teeth on the outer surface, is a key part influencing and restricting the performance of a transmitter, and is generally machined by an additional indexing milling head of a four-axis numerical control machine tool or a three-axis machine tool due to special appearance.
Because the outer tooth shape of the grooved pulley is special, the traditional machining method only can adopt a formed milling cutter (which needs to be customized by a cutter manufacturer) to machine, the cutter cost is high, the tooth form can be controlled only by the formed milling cutter, the roughness of the machined tooth surface is greatly different from the requirement due to the particularity of the formed milling cutter, the machined tooth surface can only be completely polished by a bench worker, and some tooth form can be deformed after polishing.
The position degree of the pin hole on the end surface of the inner hole of the processed tooth form and the grooved pulley is difficult to guarantee, and the tolerance and the size of each shape and position of the tooth form are difficult to control, so that the repair rate is high during assembly, and the performance of a main machine is influenced to a certain extent.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a purpose aims at overcoming the not enough of prior art existence, provides a milling clamp device for processing sheave that can improve sheave machining precision.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme:
a milling and clamping device for machining a grooved wheel is used for clamping one end of the grooved wheel, namely a rear end, and the other end of the grooved wheel, namely a front end; the rotary hole comprises a base, set up the gyration hole on the base, the front end is pegged graft on the gyration hole, with gyration hole normal running fit's solid of revolution, be fixed in and set up on the solid of revolution, be located the spacing dish of gyration hole rear end, a plurality of use gyration hole as the center, annular equipartition sets up on spacing dish, and the interval and the adjacent processing position of sheave pinhole that the interval is the same, at least one sets up on the base, correspond complex locating hole with the pinhole, peg graft in locating hole and correspond the pin pole on the pinhole, fixed the setting in the solid of revolution rear end, the dabber coaxial with the gyration hole, fixed the setting on solid of revolution rear end terminal surface, with the sheave on pin hole complex locating pin, and the screw revolves.
Preferably, the base comprises a supporting plate, an installation plate vertically and fixedly arranged at the upper end of the supporting plate, and a rib plate connected with the supporting plate and the installation plate; the rotary hole and the positioning hole are arranged on the mounting plate.
Preferably, the rotor is connected to the rotor hole by a bearing.
Preferably, the spindle and the body of revolution are one piece.
Preferably, a retaining shoulder is arranged at the rear end of the revolving body.
Preferably, the pin holes are divided into two annularly distributed groups.
Compared with the prior art, the utility model has the advantages of as follows:
the utility model discloses can show the precision that improves sheave clamping and processing position adjustment, ensure the profile of tooth's precision behind the sheave processing then to improve the precision and the yield of assembly.
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 description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the base.
Fig. 3 is a state diagram of the present invention used in cooperation with the tailstock.
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 any creative effort belong to the protection scope of the present invention. In the following description, for the sake of clarity of illustrating the structure and operation of the present invention, reference will be made to the accompanying drawings by means of directional terms, but the terms "front", "rear", "left", "right", "up", "down", etc. should be construed as convenient terms and not as limitative terms.
The milling and clamping device for machining a sheave shown in fig. 1-3 has one end for clamping the sheave 9 called a rear end and the other end called a front end; the rotary drilling machine comprises a base 1, a rotary hole 2 arranged on the base 1, wherein the front end of the rotary hole 2 is inserted into the rotary hole, a rotary body 7 matched with the rotary hole 2 in a rotating mode is fixed on the rotary body 7 and is positioned on a limiting disc 16 at the rear end of the rotary hole 2, a plurality of pin holes 4 which are uniformly distributed on the limiting disc 16 in an annular mode and have the same distance with the adjacent machining positions of grooved wheels 9 are formed by taking the rotary hole 2 as the center, at least one positioning hole 3 which is arranged on the base 1 and corresponds to the pin hole 4 is inserted into the positioning hole 3 and corresponds to the pin hole 4, a mandrel 5 which is fixedly arranged at the rear end of the rotary body 7 and is coaxial with the rotary hole 2 is fixedly arranged on the end face of the rear end of the rotary body 7 and matched with the pin hole 4 on the grooved wheel 9.
In this embodiment, the base 1 includes a supporting plate 11, an installation plate 12 vertically and fixedly disposed at the upper end of the supporting plate 11, and a rib plate 13 connecting the supporting plate 11 and the installation plate 12; the rotary holes 2 and the positioning holes 3 are arranged on the mounting plate 12; the supporting plate 11 is provided with a U-shaped connecting hole for being fixedly connected with a corresponding frame.
In this embodiment, the rotator 7 may be connected to the rotation hole 2 through a connecting member such as a bearing or a bush, thereby providing high rotation accuracy or smoothness. The mandrel 5 and the rotator 7 are preferably integrated, and can be assembled into a whole after being processed separately. And a retaining shoulder 15 is arranged at the rear end of the revolving body 7, so that the spacing stability of the grooved wheel 9 is improved. In the present embodiment, in order to improve the positioning accuracy, the pin holes 4 are divided into two groups distributed annularly, as shown in fig. 1. Meanwhile, two positioning holes 3 are also formed and respectively correspond to the two groups of annularly distributed pin holes 4. In order to facilitate the use, two locating holes 3 are arranged for 90 degrees, and two pin rods are adopted for simultaneous positioning, so that the positioning precision can be obviously improved.
In this embodiment, 40 pin holes 4 with a diameter of 6mm are uniformly distributed on the limiting disc 16, the pin holes 4 are divided into two groups, two pin holes in the two groups of pin holes are simultaneously positioned, the total number is 20, the grooves are uniformly distributed on the corresponding grooved wheels 9, after one groove is machined, the revolving body 7 is rotated to a corresponding machining position through the revolving hole 2, and the pin rod 14 is inserted into the corresponding pin hole 4 to be connected with the positioning hole 3, so that accurate positioning is achieved. The diameter of the rotary hole 2 is phi 45mm, the diameter of the retaining shoulder 15 is phi 68 mm, a locating pin 6 with phi 6mm is arranged on the end face of the rear end of the retaining shoulder 15 with phi 68 mm, when the grooved wheel 9 is assembled with the mandrel 5, the locating pin 6 penetrates through the hole with phi 6mm on the grooved wheel 9, the grooved wheel 9 cannot rotate axially, then the grooved wheel 9 is locked through the nut 10, the grooved wheel 9 cannot move radially, finally the mandrel 5 is jacked through the tailstock 8 (which is an existing component of a machine tool), vibration in the machining process is prevented, and therefore the requirements of the position degree and the machining precision of 20 tooth grooves of the grooved wheel 9 are effectively met.
Through the inspection, the utility model discloses there is higher position precision, links to each other with pinhole 4 and locating hole 3 through pin rod 14 during processing sheave, can effectively control the graduation precision of 20 tooth's sockets on the 9 external diameters of sheave. The coaxiality error of the linear axis of the revolving body 7 corresponding to the machine tool can be kept within 0.01 mm. The grooved pulley 9 is clamped according to the above mode, the first groove can be machined, after the first groove is machined, the pin rod 14 of the pin hole 4 and the pin rod 14 of the positioning hole 3 are separated, after the position of the limiting disc 16 is rotated, the next adjacent pin hole 4 is connected with the positioning hole 3 through the pin rod 14, the second groove can be machined, and all grooves of the grooved pulley 9 can be machined sequentially.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. It should be understood by those skilled in the art that any modification, equivalent replacement, or improvement made to the technical solutions or parts of technical features described in the above embodiments can be included in the scope of the present invention within the spirit and principle of the present invention.
Claims (6)
1. A milling and clamping device for machining a grooved wheel is used for clamping one end of the grooved wheel, namely a rear end, and the other end of the grooved wheel, namely a front end; the method is characterized in that: the rotary hole comprises a base, set up the gyration hole on the base, the front end is pegged graft on the gyration hole, with gyration hole normal running fit's solid of revolution, be fixed in and set up on the solid of revolution, be located the spacing dish of gyration hole rear end, a plurality of use gyration hole as the center, annular equipartition sets up on spacing dish, and the interval and the adjacent processing position of sheave pinhole that the interval is the same, at least one sets up on the base, correspond complex locating hole with the pinhole, peg graft in locating hole and correspond the pin pole on the pinhole, fixed the setting in the solid of revolution rear end, the dabber coaxial with the gyration hole, fixed the setting on solid of revolution rear end terminal surface, with the sheave on pin hole complex locating pin, and the screw revolves.
2. The milling and clamping device for machining a sheave according to claim 1, wherein: the base comprises a supporting plate, an installation plate vertically and fixedly arranged at the upper end of the supporting plate, and rib plates connected with the supporting plate and the installation plate; the rotary hole and the positioning hole are arranged on the mounting plate.
3. A milling and clamping device for machining a sheave according to claim 1 or 2, characterized in that: the revolving body is connected with the revolving hole through a bearing.
4. A milling and clamping device for machining a sheave according to claim 1 or 2, characterized in that: the mandrel and the revolving body are integrated.
5. A milling and clamping device for machining a sheave according to claim 1 or 2, characterized in that: and a blocking shoulder is arranged at the rear end of the revolving body.
6. A milling and clamping device for machining a sheave according to claim 1 or 2, characterized in that: the pin holes are divided into two groups of annular distribution groups.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922211829.7U CN211939906U (en) | 2019-12-11 | 2019-12-11 | Milling and clamping device for machining grooved wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922211829.7U CN211939906U (en) | 2019-12-11 | 2019-12-11 | Milling and clamping device for machining grooved wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211939906U true CN211939906U (en) | 2020-11-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922211829.7U Active CN211939906U (en) | 2019-12-11 | 2019-12-11 | Milling and clamping device for machining grooved wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211939906U (en) |
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2019
- 2019-12-11 CN CN201922211829.7U patent/CN211939906U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221123 Address after: 650051 No. 3 East Renmin Road, Yunnan, Kunming Patentee after: KUNMING SHIPBUILDING EQUIPMENT Co.,Ltd. Address before: 650236 Kunming Shipbuilding Industrial Park, 8km east suburb of Kunming City, Yunnan Province Patentee before: YUNNAN KSEC MACHINERY MANUFACTURING CO.,LTD. |