CN203887566U - Workpiece self-centering clamping device of drilling machine - Google Patents

Workpiece self-centering clamping device of drilling machine Download PDF

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Publication number
CN203887566U
CN203887566U CN201420101726.XU CN201420101726U CN203887566U CN 203887566 U CN203887566 U CN 203887566U CN 201420101726 U CN201420101726 U CN 201420101726U CN 203887566 U CN203887566 U CN 203887566U
Authority
CN
China
Prior art keywords
self
centering
rotating disk
hinged
floral disc
Prior art date
Application number
CN201420101726.XU
Other languages
Chinese (zh)
Inventor
陈文恭
陈润福
彭建清
魏永端
郑开省
Original Assignee
泉州市沪航阀门制造有限公司
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Application filed by 泉州市沪航阀门制造有限公司 filed Critical 泉州市沪航阀门制造有限公司
Priority to CN201420101726.XU priority Critical patent/CN203887566U/en
Application granted granted Critical
Publication of CN203887566U publication Critical patent/CN203887566U/en

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Abstract

The utility model provides a workpiece self-centering clamping device of a drilling machine, and can realize a function of automatically centering a workpiece. The clamping device comprises a connecting base, a worktable turnplate, a main shaft, a parabola self-centering disc chuck, a plurality of connecting rods and a plurality of locating claws, wherein the worktable turnplate is rotatably arranged above the connecting base, the main shaft is fixedly arranged below the middle of the worktable turnplate, the parabola self-centering disc chuck is rotatably arranged on the main shaft by a transmission mechanism and is below the worktable turnplate, the parabola self-centering disc chuck is evenly provided with arc involute-type slots along the radial direction, the connecting rods are hinged end to end, two ends of each connecting rod are respectively a first hinge end and a second hinge end, the first hinge ends are respectively hinged to the arc involute-type slots in the parabola self-centering disc chuck, the parabola self-centering disc chuck is respectively provided with long hinge slots corresponding to the peripheries of the arc involute-type slots, the second hinge ends are respectively hinged to the long hinge slots, and the positioning claws are respectively arranged above the second hinge ends of the connecting rods.

Description

Drill press workpiece self-centering clamping device
Technical field
The utility model relates to machining apparatus, particularly a kind of drill press workpiece self-centering clamping device.
Background technology
While boring in flange, pipe plate parts plane, flange, pipe plate parts need to be fixed on workbench, and definite flange, tube sheet class drilling part benchmark, then hole.At present in the boring of numerical control plane drill press is produced, conventionally on lathe bed, arrange some T type grooves, compress dull and stereotyped mode fixation workpiece by frock, determine that with photoelectric edge-searching device the workpiece center of circle is boring benchmark, when processing work, due to each part workpiece to be processed clamping position difference, cause adding machining benchmark in man-hour position difference, before each processing, all need to determine with photoelectric edge-searching device the machining benchmark of this processing work, can not realize the self centering function of workpiece, workpiece centre and processing work platform center cannot be coincide automatically, troublesome poeration, leading time is longer, greatly reduce the working (machining) efficiency of drilling machine.
Summary of the invention
Therefore, for above-mentioned problem, the utility model proposes one easy to operate, can realize the drill press workpiece self-centering clamping device of workpiece self-centering function, raising working (machining) efficiency.
For achieving the above object, the utility model has adopted following technical scheme: drill press workpiece self-centering clamping device, comprise connection base, workbench rotating disk, main shaft, parabola self-centering floral disc, a plurality of connecting rods and complex root locating detent, described workbench rotating disk is by the rotating top that connects base of being located at of workbench rotating mechanism, described main shaft is fixedly arranged on the below, middle part of workbench rotating disk, described parabola self-centering floral disc is by the rotating below of being located at the above workbench rotating disk of main shaft of transmission mechanism, on described parabola self-centering floral disc, being radially evenly equipped with the arc of gradually opening from inside to outside gradually slots, described each connecting rod is hinged with form from beginning to end respectively, the two ends that define each connecting rod are respectively the first hinged end and the second hinged end, described each the first hinged end is articulated with on parabola self-centering floral disc by the first jointed shaft respectively and can be along the upper walking of gradually slotting of each arc with the rotation of parabola self-centering floral disc, all sides that on described parabola self-centering floral disc, corresponding each arc is gradually slotted are respectively equipped with microscler hinged groove, the second hinged end of described each connecting rod is articulated with in each microscler hinged groove by the second jointed shaft respectively and can be along walking in each microscler hinged groove with the rotation of parabola self-centering floral disc, on described workbench rotating disk, the position of corresponding each microscler hinged groove is provided with secondary microscler hinged groove, described each the second jointed shaft stretches out respectively secondary microscler hinged groove, described each locating detent is located at respectively the second hinged end top of each connecting rod, described workbench rotating disk be connected between base respectively along being circumferentially evenly equipped with rotating disk retaining mechanism.
Further improved: described transmission mechanism comprises worm screw and floral disc drive motors, and the bottom of described parabola self-centering floral disc is installed with worm gear, and described worm gear is by worm screw and drive motors phase interlock.
Further improved: described workbench rotating mechanism comprises planet stent Connection Block, final drive worm, main transmission worm gear, a plurality of planet idle wheels, planetary ring gear, the middle part of described connection base is upwards extended with planet stent, described planet stent Connection Block is fixedly arranged on the top of planet stent, described main transmission worm gear is rotatably located at the periphery of the described main shaft in top of planet stent Connection Block, lower outside and the final drive worm of main transmission worm gear are in transmission connection, top is travelling gear, described each planet idle wheel is distributed in the periphery of travelling gear and is connected by meshing transmission with travelling gear, described planetary ring gear is located at the periphery of each planet idle wheel and is connected by meshing transmission with each planet idle wheel, described planetary ring gear is fixedly arranged on the below of workbench rotating disk.
Further improved: described each rotating disk retaining mechanism comprises respectively cylinder or oil cylinder, withstanding tight block, tight lifting pin, the cylinder body of described cylinder or oil cylinder is fixed on and connects on base, the bottom of described workbench rotating disk radially offers and holds out against groove with the inner side that is connected base connection, described tight lifting pin is located at and is connected between base and workbench rotating disk, its one end is stretched into and is held out against in groove, the below that is positioned at tight lifting pin on described connection base is provided with the backstay that length is greater than tight lifting pin, described withstanding tight block and backstay are hinged, the piston rod of described cylinder or oil cylinder and the lower inside of withstanding tight block are in transmission connection.
Further improved: described workbench rotating disk is evenly equipped with rotation steel ball with being connected between the top of base.
Further improved: between described planet stent Connection Block and main shaft, to be provided with bearing.
By adopting aforementioned techniques scheme, the beneficial effects of the utility model are: while needing clamp or open workpiece, transmission mechanism drives parabola self-centering floral disc to rotate, the first hinged end that parabola self-centering floral disc can drive each connecting rod when rotation is along the arc upper walking (each connecting rod is synchronously to arc gradually slot center or peripheral motion) of gradually slotting, drive the locating detent being connected with each connecting rod the second hinged end that to be processed is clamped or opened simultaneously, thereby workpiece centre and workbench center are coincide, reach self-centering function.
In sum, the utility model adopts said structure, machining benchmark using the center unification of clamping device as all workpiece, it is simple to operate, clamping workpiece easily and efficiently, and in clamping, make workpiece centre overlap with machining benchmark, greatly shortened the leading time, improved the working (machining) efficiency of drilling machine.
Brief description of the drawings
Fig. 1 is portion's TV structure schematic diagram of the utility model embodiment.
Fig. 2 is the utility model embodiment top view.
Structural representation when Fig. 3 is the each connecting rod clamping of the utility model embodiment.
Detailed description of the invention
Now with detailed description of the invention, the utility model is further illustrated by reference to the accompanying drawings.
With reference to figure 1 and Fig. 3, the open drill press workpiece self-centering clamping device of the present embodiment, comprise and connect base 1, workbench rotating disk 2, main shaft 3, parabola self-centering floral disc 4, a plurality of connecting rods 6 and complex root locating detent 5, described workbench rotating disk 2 is by the rotating top that connects base 1 of being located at of workbench rotating mechanism, to find the position of needed processing accurately, in the time of process component, workbench rotating disk will be locked, described main shaft 3 is fixedly arranged on the below, middle part of workbench rotating disk 2, described parabola self-centering floral disc 4 is by the rotating below of being located at main shaft 3 the above workbench rotating disk 2 of transmission mechanism, described transmission mechanism comprises worm screw 61 and floral disc drive motors 63, the bottom of described parabola self-centering floral disc 4 is installed with worm gear 62, described worm gear 62 is by worm screw 61 and drive motors 63 phase interlocks, on described parabola self-centering floral disc 4, be radially evenly equipped with the arc of gradually opening from inside to outside and gradually slot 41, described each connecting rod 6 is hinged with form from beginning to end respectively, the two ends that define each connecting rod 6 are respectively the first hinged end A and the second hinged end B, described each the first hinged end A is articulated with on parabola self-centering floral disc 4 by the first jointed shaft 51 respectively and can be along the walking on 41 of gradually slotting of each arc with the rotation of parabola self-centering floral disc 4, on described parabola self-centering floral disc 4, gradually slot all sides of 41 of corresponding each arc are respectively equipped with microscler hinged groove 42, the second hinged end B of described each connecting rod 6 is articulated with in each microscler hinged groove 42 by the second jointed shaft 52 respectively and can be along walking in each microscler hinged groove 42 with the rotation of parabola self-centering floral disc 4, on described workbench rotating disk 2, the position of corresponding each microscler hinged groove 42 is provided with secondary microscler hinged groove 13, described each the second jointed shaft 52 stretches out respectively secondary microscler hinged groove 13, described each locating detent 5 is located at respectively the second jointed shaft 52 tops of workbench rotating disk 2 the above each connecting rod 6, described workbench rotating disk 2 be connected between base 1 respectively along being circumferentially evenly equipped with 4 rotating disk retaining mechanisms.
Described workbench rotating mechanism comprises planet stent Connection Block 81, final drive worm 82, main transmission worm gear 83, four planet idle wheels 84, planetary ring gear 85, the middle part of described connection base 1 is upwards extended with planet stent 11, described planet stent Connection Block 81 is fixedly arranged on the top of planet stent 11, the periphery of the described main shaft 3 in top that described main transmission worm gear 83 is rotatably located at planet stent Connection Block 81, the lower outside of main transmission worm gear 83 and final drive worm 82 are in transmission connection, top is travelling gear 831, described each planet idle wheel 84 is distributed in the periphery of travelling gear 831 and is connected by meshing transmission with travelling gear 831, described planetary ring gear 85 is located at the periphery of each planet idle wheel 84 and is connected by meshing transmission with each planet idle wheel 84, described planetary ring gear 85 is fixedly arranged on the below of workbench rotating disk 2 by bolt.
Described each rotating disk retaining mechanism comprises respectively cylinder 91, withstanding tight block 92, tight lifting pin 93, the cylinder body of described cylinder 91 is fixed on and connects on base 1, the bottom of described workbench rotating disk 2 be connected inner side that base 1 connects and radially offer and hold out against groove 12, described tight lifting pin 93 is located at and is connected between base 1 and workbench rotating disk 2, its one end is stretched into and is held out against in groove 12, the below that is positioned at tight lifting pin 93 on described connection base 1 is provided with the backstay 94 that length is greater than tight lifting pin 93, described withstanding tight block 92 is hinged by swivel pin and backstay 94, the lower inside of the piston rod of described cylinder and withstanding tight block 92 is in transmission connection, behind workpiece location, when drilling machine drill bit processing work, thereby the piston rod of cylinder stretches out and promotes connected withstanding tight block compression tight lifting pin, each tight lifting pin is held out against in holding out against on groove 12, thereby locking workbench rotating disk, while preventing processing parts, it rotates affects machining accuracy.
Between described planet stent Connection Block 81 and main shaft 3, be provided with bearing 10.
While needing clamp or open workpiece, power source drives parabola self-centering floral disc to rotate by transmission mechanism, parabola self-centering floral disc drives center or the periphery that each connecting rod is synchronously gradually slotted to arc to do walking action while rotation, drive the claw being connected with each connecting rod clamp or open simultaneously, workpiece centre and workbench center are coincide, reach the function of centering, adopt said structure, machining benchmark using the center unification of self-centering clamping device as all workpiece, it is simple to operate, can be convenient, clamping workpiece efficiently, and in clamping, make workpiece centre overlap with machining benchmark, greatly shorten the leading time, improve the working (machining) efficiency of drilling machine.
Also can directly be substituted by oil cylinder or toggle based on cylinder described in aforementioned techniques scheme, be two above the purpose of this utility model that just can realize as long as described arc is gradually slotted.
Although specifically show and introduced the utility model in conjunction with preferred embodiment; but those skilled in the art should be understood that; not departing from the spirit and scope of the present utility model that appended claims limits; can make a variety of changes the utility model in the form and details, be protection domain of the present utility model.

Claims (6)

1. drill press workpiece self-centering clamping device, it is characterized in that: comprise connection base, workbench rotating disk, main shaft, parabola self-centering floral disc, a plurality of connecting rods and complex root locating detent, described workbench rotating disk is by the rotating top that connects base of being located at of workbench rotating mechanism, described main shaft is fixedly arranged on the below, middle part of workbench rotating disk, described parabola self-centering floral disc is by the rotating below of being located at the above workbench rotating disk of main shaft of transmission mechanism, on described parabola self-centering floral disc, being radially evenly equipped with the arc of gradually opening from inside to outside gradually slots, described each connecting rod is hinged with form from beginning to end respectively, the two ends that define each connecting rod are respectively the first hinged end and the second hinged end, described each the first hinged end is articulated with on parabola self-centering floral disc by the first jointed shaft respectively and can be along the upper walking of gradually slotting of each arc with the rotation of parabola self-centering floral disc, all sides that on described parabola self-centering floral disc, corresponding each arc is gradually slotted are respectively equipped with microscler hinged groove, the second hinged end of described each connecting rod is articulated with in each microscler hinged groove by the second jointed shaft respectively and can be along walking in each microscler hinged groove with the rotation of parabola self-centering floral disc, on described workbench rotating disk, the position of corresponding each microscler hinged groove is provided with secondary microscler hinged groove, described each the second jointed shaft stretches out respectively secondary microscler hinged groove, described each locating detent is located at respectively the second hinged end top of each connecting rod, described workbench rotating disk be connected between base respectively along being circumferentially evenly equipped with rotating disk retaining mechanism.
2. drill press workpiece self-centering clamping device according to claim 1, it is characterized in that: described transmission mechanism comprises worm screw and floral disc drive motors, the bottom of described parabola self-centering floral disc is installed with worm gear, and described worm gear is by worm screw and drive motors phase interlock.
3. drill press workpiece self-centering clamping device according to claim 1, it is characterized in that: described workbench rotating mechanism comprises planet stent Connection Block, final drive worm, main transmission worm gear, a plurality of planet idle wheels, planetary ring gear, the middle part of described connection base is upwards extended with planet stent, described planet stent Connection Block is fixedly arranged on the top of planet stent, described main transmission worm gear is rotatably located at the periphery of the described main shaft in top of planet stent Connection Block, lower outside and the final drive worm of main transmission worm gear are in transmission connection, top is travelling gear, described each planet idle wheel is distributed in the periphery of travelling gear and is connected by meshing transmission with travelling gear, described planetary ring gear is located at the periphery of each planet idle wheel and is connected by meshing transmission with each planet idle wheel, described planetary ring gear is fixedly arranged on the below of workbench rotating disk.
4. drill press workpiece self-centering clamping device according to claim 1, it is characterized in that: described each rotating disk retaining mechanism comprises respectively cylinder or oil cylinder, withstanding tight block, tight lifting pin, the cylinder body of described cylinder or oil cylinder is fixed on and connects on base, the bottom of described workbench rotating disk radially offers and holds out against groove with the inner side that is connected base connection, described tight lifting pin is located at and is connected between base and workbench rotating disk, its one end is stretched into and is held out against in groove, the below that is positioned at tight lifting pin on described connection base is provided with the backstay that length is greater than tight lifting pin, described withstanding tight block and backstay are hinged, the piston rod of described cylinder or oil cylinder and the lower inside of withstanding tight block are in transmission connection.
5. according to the drill press workpiece self-centering clamping device described in the arbitrary claim of claim 1 to 4, it is characterized in that: described workbench rotating disk is evenly equipped with rotation steel ball with being connected between the top of base.
6. drill press workpiece self-centering clamping device according to claim 3, is characterized in that: between described planet stent Connection Block and main shaft, be provided with bearing.
CN201420101726.XU 2014-03-07 2014-03-07 Workpiece self-centering clamping device of drilling machine CN203887566U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420101726.XU CN203887566U (en) 2014-03-07 2014-03-07 Workpiece self-centering clamping device of drilling machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420101726.XU CN203887566U (en) 2014-03-07 2014-03-07 Workpiece self-centering clamping device of drilling machine

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103801959A (en) * 2014-03-07 2014-05-21 泉州市沪航阀门制造有限公司 Self-centering clamping device of drill press workpiece
CN105269357A (en) * 2015-10-27 2016-01-27 芜湖市泰能电热器具有限公司 Fixture for milling end faces of small-sized parts
CN106695363A (en) * 2015-11-16 2017-05-24 佛山市禾才科技服务有限公司 Closed ring structure for grabbing cylinder workpiece
CN107735200A (en) * 2015-03-20 2018-02-23 肖克有限公司 Portable pipe lathe and method
CN109333242A (en) * 2018-11-06 2019-02-15 史振荣 A kind of engineering machinery production steel part grinding device
CN110524373A (en) * 2019-09-05 2019-12-03 江苏托普车轮有限公司 A kind of fixed device of adjustable tyre production
CN111152067A (en) * 2020-02-27 2020-05-15 芜湖职业技术学院 Cutter compensation device for high-precision machining

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103801959A (en) * 2014-03-07 2014-05-21 泉州市沪航阀门制造有限公司 Self-centering clamping device of drill press workpiece
CN103801959B (en) * 2014-03-07 2016-07-06 泉州市沪航阀门制造有限公司 Drill press workpiece self-centering clamping device
CN107735200A (en) * 2015-03-20 2018-02-23 肖克有限公司 Portable pipe lathe and method
CN105269357A (en) * 2015-10-27 2016-01-27 芜湖市泰能电热器具有限公司 Fixture for milling end faces of small-sized parts
CN106695363A (en) * 2015-11-16 2017-05-24 佛山市禾才科技服务有限公司 Closed ring structure for grabbing cylinder workpiece
CN106695363B (en) * 2015-11-16 2019-04-02 佛山市禾才科技服务有限公司 It is a kind of for grasping the closed ring structure of cylindrical workpiece
CN109333242A (en) * 2018-11-06 2019-02-15 史振荣 A kind of engineering machinery production steel part grinding device
CN110524373A (en) * 2019-09-05 2019-12-03 江苏托普车轮有限公司 A kind of fixed device of adjustable tyre production
CN110524373B (en) * 2019-09-05 2021-02-05 江苏托普车轮有限公司 Adjustable tire processing fixing device
CN111152067A (en) * 2020-02-27 2020-05-15 芜湖职业技术学院 Cutter compensation device for high-precision machining

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C14 Grant of patent or utility model
AV01 Patent right actively abandoned

Granted publication date: 20141022

Effective date of abandoning: 20160706

C25 Abandonment of patent right or utility model to avoid double patenting