CN209919392U - A high efficiency finish machining frock for large-scale aerogenerator bearing frame - Google Patents
A high efficiency finish machining frock for large-scale aerogenerator bearing frame Download PDFInfo
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- CN209919392U CN209919392U CN201920594316.6U CN201920594316U CN209919392U CN 209919392 U CN209919392 U CN 209919392U CN 201920594316 U CN201920594316 U CN 201920594316U CN 209919392 U CN209919392 U CN 209919392U
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Abstract
The utility model relates to a mechanical manufacturing process equips technical field, and it discloses a high efficiency finish machining frock for large-scale aerogenerator bearing, be in including the bottom plate, erect the setting a pair of base that just distributes about on the bottom plate be provided with positioning element and clamping module on the up end of base respectively, be provided with tool changing mechanism on the base, the last boring cutter that is equipped with of tool changing mechanism. The utility model provides the high clamping precision of part has improved the efficiency of clamping and tool changing simultaneously, has reduced operating personnel's intensity of labour.
Description
Technical Field
The utility model relates to a mechanical manufacturing process equips technical field, concretely relates to a high efficiency finish machining frock for large-scale aerogenerator bearing frame.
Background
The bearing seat of the large wind driven generator shown in fig. 4 is an important core part in the large wind driven generator, and has more processing parts and higher requirements on processing precision. The main processing contents comprise processing of a foot plate surface, processing of a large inner hole, processing of two end surfaces and the like. During finish machining, the foot plate surface is required to be used as a positioning base for clamping, and the position precision and the size precision of large-scale inner hole machining and two end surface machining are guaranteed.
The processing of large-scale aerogenerator bearing frame mainly has following problem among the prior art:
firstly, the clamping of large-scale aerogenerator bearing frame mainly adopts artifical clamping, needs to carry out the alignment or the adjustment of position during the clamping, and the positioning accuracy of its part is relatively poor.
Secondly, because the size of the part is large (the appearance is more than 2 meters) and the weight is heavy, the time consumption for clamping and adjusting is long, the efficiency is low, the labor intensity of operators is high,
and thirdly, because the size of the inner hole is large, a heavy large boring cutter needs to be replaced during boring processing, and the large boring cutter needs to be hoisted to a main shaft of a numerical control machine or a processing center during cutter changing, so that the danger is large on one hand, and the cutter changing efficiency is low on the other hand.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a high efficiency finish machining frock for large-scale aerogenerator bearing frame aims at improving the clamping precision, improves the efficiency of clamping and tool changing simultaneously, reduces operating personnel's intensity of labour. The specific technical scheme is as follows:
the utility model provides a high efficiency finish machining frock for large-scale aerogenerator bearing, includes the bottom plate, erects the setting and is in for controlling a pair of base that distributes on the bottom plate be provided with positioning element and clamping module on the up end of base respectively, be provided with tool changing mechanism on the base, the last boring cutter that is equipped with of tool changing mechanism.
In the technical scheme, on one hand, the automatic clamping of the part is realized by arranging the positioning element and the clamping module on the tool, so that the clamping precision and the clamping efficiency are improved, and the labor intensity of operators is reduced; on the other hand, the tool changing mechanism is arranged on the tool, so that automatic tool changing of the overweight tool is realized, and the tool changing efficiency and safety are improved.
As an optimal scheme of the tool changing mechanism in the utility model, the tool changing mechanism comprises a pair of rotating clamping blocks which are clamped oppositely, one end of each rotating clamping block is provided with a tool shank clamping surface of a boring tool, and the front end of each tool shank clamping surface forms a loading and unloading opening for loading and unloading a tool shank; the other end of the rotating clamping block is connected with a tensioning spring for clamping and loosening a tool shank of the boring tool.
The tool changing mechanism is provided with the rotating clamping block and the tensioning spring, so that the boring tool can overcome the spring force and smoothly enter and exit from the tool shank clamping surface of the rotating clamping block, and automatic tool changing is realized.
Preferably, the tool changing mechanism is provided with a contact pin which is consistent with the direction of the loading and unloading opening, the boring tool is provided with a jack, and the contact pin is matched with the jack.
The arrangement of the contact pins and the jacks on the tool changing mechanism and the boring tool can effectively prevent the boring tool from being inclined, so that tool changing can be smoothly carried out.
Preferably, an auxiliary elastic support is further arranged on the base and positioned at the lower end of the boring cutter.
The auxiliary elastic support is arranged on the base, so that the weight of a part of boring cutters can be balanced, the stress of the rotating clamping block is reduced, and the reliability and the service life of the cutter changing mechanism are improved.
Preferably, the number of the tool changing mechanisms is two, and the two tool changing mechanisms are respectively arranged on the pair of bases.
Preferably, the number of the boring cutters is two, and the two boring cutters are separately arranged on the two cutter changing mechanisms.
Preferably, one of the two boring tools is a semi-finishing boring tool, and the other boring tool is a finishing boring tool.
As the utility model discloses well positioning element's preferred scheme, positioning element includes the locating piece of a plurality of quantity, fixed locating pin and the locating pin that floats respectively, elevating system is connected to the locating pin that floats.
The positioning element is combined and configured by the positioning block, the fixed positioning pin and the floating positioning pin, wherein the fixed positioning pin is used for rough positioning, the floating positioning pin is used for precise positioning, when the part is hoisted, the part is firstly positioned by the fixed positioning pin, and then the floating positioning pin rises to enable the part to be precisely positioned, so that the hoisting is facilitated on one hand, and on the other hand, the final positioning precision is also ensured.
As an optimal scheme in the utility model, press from both sides tight module and be connecting rod formula hold-down mechanism, connecting rod formula hold-down mechanism includes elevating system, connects through first hinge the rotary type clamp plate of elevating system's telescopic link front end is connected through the second hinge the connecting rod of rotary type clamp plate, the connecting rod rotates through the third hinge and connects on the connecting rod seat of fixed setting.
Preferably, the lifting mechanism is a hydraulic cylinder.
The clamping module adopts a connecting rod type pressing mechanism, the rotary pressing plate can avoid interference with the part when the part is hoisted, the automation of pressing can be realized by utilizing the lifting mechanism when the part is pressed, and the clamping efficiency is higher.
The utility model has the advantages that:
firstly, the utility model discloses a high efficiency finish machining frock for large-scale aerogenerator bearing frame, on the one hand through set up locating element and clamping module on the frock, realized the automatic clamping of part, improved clamping precision and the efficiency of clamping from this to reduce operating personnel's intensity of labour; on the other hand, the tool changing mechanism is arranged on the tool, so that automatic tool changing of the overweight tool is realized, and the tool changing efficiency and safety are improved.
Second, the utility model discloses a high efficiency finish machining frock for large-scale aerogenerator bearing frame has set up rotation clamp splice and taut spring among the tool changing mechanism for the boring cutter can overcome the spring force and pass in and out smoothly from the handle of a knife clamping surface that rotates the clamp splice, thereby has realized automatic tool changing.
Third, the utility model discloses a high efficiency finish machining frock for large-scale aerogenerator bearing frame, the setting of contact pin, jack can effectively prevent the skew of boring cutter on tool changing mechanism and the boring cutter to can make going on smoothly of tool changing.
Fourth, the utility model discloses a high efficiency finish machining frock for large-scale aerogenerator bearing frame, the weight of partly boring cutter can be balanced to the setting of supplementary elastic support on the base to reduced the atress that rotates the clamp splice, be favorable to improving the reliability and the life of tool changing mechanism.
Fifth, the utility model discloses a high efficiency finish machining frock for large-scale aerogenerator bearing frame, positioning element adopt the combined configuration of locating piece, fixed position pin and unsteady locating pin, and fixed position pin wherein is used for the coarse positioning, and unsteady locating pin is used for the accurate positioning, and the part is at first fixed position by the fixed position round pin location during hoist and mount, then the locating pin that floats rises and makes the part obtain the accurate positioning, has made things convenient for hoist and mount on the one hand of it, and final positioning accuracy has also been guaranteed on the other hand.
Sixth, the utility model discloses a high efficiency finish machining frock for large-scale aerogenerator bearing frame, the tight module of clamp adopts connecting rod formula hold-down mechanism. The rotary type pressing plate can avoid interfering with the parts when the parts are hoisted, can realize the automation of pressing by utilizing the lifting mechanism when the pressing operation is carried out, and has higher clamping efficiency.
Drawings
FIG. 1 is a schematic structural view of a high-efficiency finishing tool for a bearing seat of a large wind turbine according to the present invention;
fig. 2 is an enlarged partial view of the positioning element and clamping module referred to in fig. 1;
FIG. 3 is an enlarged partial view of the portion of FIG. 2 relating to the tool changing mechanism and the boring tool;
FIG. 4 is a schematic view of a large wind turbine bearing block positioned on a tooling.
In the figure: 1. the device comprises a base plate, 2, a base, 3, a positioning element, 4, a clamping module, 5, a tool changing mechanism, 6, a boring tool, 7, a rotating clamping block, 8, a tool shank clamping surface, 9, a loading and unloading opening, 10, a tension spring, 11, a contact pin, 12, an auxiliary elastic support, 13, a positioning block, 14, a fixing positioning pin, 15, a floating positioning pin, 16, a lifting mechanism, 17, a first hinge shaft, 18, a rotary pressing plate, 19, a second hinge shaft, 20, a connecting rod, 21, a third hinge shaft, 22, a connecting rod seat, 23, a machine tool workbench, 24, a rotating center of the rotating clamping block, 25 and a large-scale wind driven generator bearing seat;
Detailed Description
The following description will further describe embodiments of the present invention with reference to the accompanying drawings and examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
Fig. 1 to 4 show the utility model discloses an embodiment of a high efficiency finish machining frock for large-scale aerogenerator bearing frame, include bottom plate 1, erect the setting and be in a pair of base 2 that distributes about and on the bottom plate 1 be provided with positioning element 3 and clamping module 4 on the up end of base 2 respectively, be provided with tool changing mechanism 5 on the base 2, be equipped with boring cutter 6 on the tool changing mechanism 5.
In the technical scheme, on one hand, the positioning element 3 and the clamping module 4 are arranged on the tool, so that the automatic clamping of the part is realized, the clamping precision and the clamping efficiency are improved, and the labor intensity of operators is reduced; on the other hand, the tool changing mechanism 5 is arranged on the tool, so that automatic tool changing of the overweight tool is realized, and the tool changing efficiency and safety are improved.
As a preferable scheme of the tool changing mechanism 5 in this embodiment, the tool changing mechanism 5 includes a pair of rotating clamping blocks 7 clamped opposite to each other, one end of each rotating clamping block 7 is provided with a shank clamping surface 8 of the boring tool 6, and the front end of each shank clamping surface 8 forms a mounting and dismounting opening 9 for mounting and dismounting a shank; the other end of the rotating clamping block 7 is connected with a tensioning spring 10 for clamping and loosening a tool shank of the boring tool 6.
The tool changing mechanism 5 is provided with the rotating clamping block 7 and the tensioning spring 10, so that the boring tool 6 can overcome the spring force and smoothly enter and exit from the tool holder clamping surface 8 of the rotating clamping block 7, and automatic tool changing is realized.
Preferably, the tool changing mechanism 5 is provided with a pin 11 which is consistent with the direction of the assembling and disassembling opening 9, the boring cutter 6 is provided with a jack, and the pin 11 is matched with the jack.
The arrangement of the inserting pins 11 and the inserting holes on the tool changing mechanism 5 and the boring tool 6 can effectively prevent the boring tool 6 from being inclined, so that tool changing can be smoothly carried out.
Preferably, an auxiliary elastic support 12 is further provided on the base 2 at the lower end of the boring tool 6.
The auxiliary elastic support 12 on the base 2 can balance the weight of a part of the boring tool 6, so that the stress of the rotating clamping block 7 is reduced, and the reliability and the service life of the tool changing mechanism 5 are improved.
Preferably, the number of the tool changing mechanisms 5 is two, and the two tool changing mechanisms 5 are respectively arranged on the pair of bases.
Preferably, the number of the boring cutters 6 is two, and the two boring cutters 6 are separately arranged on the two cutter changing mechanisms 5.
Preferably, one boring tool 6 of the two boring tools 6 is a semi-finishing boring tool, and the other boring tool 6 is a finishing boring tool.
As a preferable solution of the positioning element 3 in the present embodiment, the positioning element 3 includes a plurality of positioning blocks 13, a fixed positioning pin 14 and a floating positioning pin 15, respectively, and the floating positioning pin 15 is connected to the lifting mechanism (which is located in the base 2).
The positioning element 3 is configured by combining a positioning block 13, a fixed positioning pin 14 and a floating positioning pin 15, wherein the fixed positioning pin 14 is used for rough positioning, the floating positioning pin 15 is used for precise positioning, when in hoisting, a part is firstly positioned by the fixed positioning pin 14, and then the floating positioning pin 15 rises to enable the part to be precisely positioned, so that the hoisting is facilitated on one hand, and the final positioning precision is also ensured on the other hand.
As a preferable solution in this embodiment, the clamping module 4 is a link-type pressing mechanism, the link-type pressing mechanism includes a lifting mechanism 16, a rotary pressing plate 18 connected to a front end of a telescopic rod of the lifting mechanism 16 through a first hinge shaft 17, a link 20 connected to the rotary pressing plate 18 through a second hinge shaft 19, and the link 20 is rotatably connected to a fixedly-arranged link seat 22 through a third hinge shaft 21.
Preferably, the lifting mechanism 16 is a hydraulic cylinder.
The clamping module 4 adopts a connecting rod type pressing mechanism, the rotary pressing plate 18 can avoid interference with the part during part hoisting, the automation of pressing can be realized by the lifting mechanism 16 during pressing operation, and the clamping efficiency is high.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (9)
1. The utility model provides a high efficiency finish machining frock for large-scale aerogenerator bearing, its characterized in that includes the bottom plate, erects the setting and is a pair of base that distributes about on the bottom plate be provided with positioning element and clamping module on the up end of base respectively, be provided with tool changing mechanism on the base, the last boring cutter that is equipped with of tool changing mechanism.
2. The high-efficiency finish machining tool for the large-scale wind driven generator bearing block as claimed in claim 1, wherein the tool changing mechanism comprises a pair of rotating clamping blocks which are clamped oppositely, one end of each rotating clamping block is provided with a tool shank clamping surface of a boring tool, and the front end of each tool shank clamping surface forms a loading and unloading opening for loading and unloading a tool shank; the other end of the rotating clamping block is connected with a tensioning spring for clamping and loosening a tool shank of the boring tool.
3. The high-efficiency finish machining tool for the bearing seat of the large wind driven generator as claimed in claim 2, wherein the tool changing mechanism is provided with a contact pin in the same direction as the loading and unloading opening, the boring tool is provided with a jack, and the contact pin is matched with the jack.
4. The high-efficiency finishing tool for the bearing seat of the large-scale wind turbine generator as claimed in claim 3, wherein an auxiliary elastic support is further arranged on the base at the lower end of the boring tool.
5. The high-efficiency finish machining tool for the bearing seat of the large wind driven generator as claimed in claim 1, wherein the number of the tool changing mechanisms is two, and the two tool changing mechanisms are respectively arranged on the pair of bases.
6. The high-efficiency finishing tool for the bearing seat of the large wind turbine generator as claimed in claim 1, wherein the number of the boring cutters is two, and the two boring cutters are separately arranged on the two cutter changing mechanisms.
7. The high-efficiency finishing tool for the bearing seat of the large-scale wind driven generator as claimed in claim 6, wherein one of the two boring tools is a semi-finishing boring tool, and the other boring tool is a finishing boring tool.
8. The high-efficiency finishing tool for the bearing seat of the large-scale wind turbine generator as claimed in claim 1, wherein the positioning elements respectively comprise a plurality of positioning blocks, fixed positioning pins and floating positioning pins, and the floating positioning pins are connected with the lifting mechanism.
9. The high-efficiency finishing tool for the bearing seat of the large-scale wind driven generator as claimed in claim 1, wherein the clamping module is a link-type pressing mechanism, the link-type pressing mechanism comprises a lifting mechanism, a rotary pressing plate connected to the front end of a telescopic rod of the lifting mechanism through a first hinge shaft, a link connected to the rotary pressing plate through a second hinge shaft, and the link is rotatably connected to a fixedly arranged link seat through a third hinge shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920594316.6U CN209919392U (en) | 2019-04-28 | 2019-04-28 | A high efficiency finish machining frock for large-scale aerogenerator bearing frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920594316.6U CN209919392U (en) | 2019-04-28 | 2019-04-28 | A high efficiency finish machining frock for large-scale aerogenerator bearing frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209919392U true CN209919392U (en) | 2020-01-10 |
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ID=69088715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920594316.6U Active CN209919392U (en) | 2019-04-28 | 2019-04-28 | A high efficiency finish machining frock for large-scale aerogenerator bearing frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209919392U (en) |
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2019
- 2019-04-28 CN CN201920594316.6U patent/CN209919392U/en active Active
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