CN103934703A - Multi-angle drilling and positioning fixture - Google Patents

Multi-angle drilling and positioning fixture Download PDF

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Publication number
CN103934703A
CN103934703A CN201410193065.2A CN201410193065A CN103934703A CN 103934703 A CN103934703 A CN 103934703A CN 201410193065 A CN201410193065 A CN 201410193065A CN 103934703 A CN103934703 A CN 103934703A
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CN
China
Prior art keywords
rotating shaft
product
cylinder
internal expanding
positioning fixture
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201410193065.2A
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Chinese (zh)
Other versions
CN103934703B (en
Inventor
雷庭辉
李干希
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TAISHAN KAM KIU ALUMINUM EXTRUSION CO Ltd
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TAISHAN KAM KIU ALUMINUM EXTRUSION CO Ltd
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Priority to CN201410193065.2A priority Critical patent/CN103934703B/en
Publication of CN103934703A publication Critical patent/CN103934703A/en
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Publication of CN103934703B publication Critical patent/CN103934703B/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
    • B23Q3/06Work-clamping means
    • B23Q3/062Work-clamping means adapted for holding workpieces having a special form or being made from a special material
    • B23Q3/065Work-clamping means adapted for holding workpieces having a special form or being made from a special material for holding workpieces being specially deformable, e.g. made from thin-walled or elastic material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q1/00Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/25Movable or adjustable work or tool supports
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q16/00Equipment for precise positioning of tool or work into particular locations not otherwise provided for
    • B23Q16/02Indexing equipment
    • B23Q16/08Indexing equipment having means for clamping the relatively movable parts together in the indexed position
    • B23Q16/10Rotary indexing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q17/00Arrangements for observing, indicating or measuring on machine tools
    • B23Q17/002Arrangements for observing, indicating or measuring on machine tools for indicating or measuring the holding action of work or tool holders
    • B23Q17/003Arrangements for observing, indicating or measuring on machine tools for indicating or measuring the holding action of work or tool holders by measuring a position
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q17/00Arrangements for observing, indicating or measuring on machine tools
    • B23Q17/002Arrangements for observing, indicating or measuring on machine tools for indicating or measuring the holding action of work or tool holders
    • B23Q17/005Arrangements for observing, indicating or measuring on machine tools for indicating or measuring the holding action of work or tool holders by measuring a force, a pressure or a deformation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
    • B23Q3/06Work-clamping means
    • B23Q3/08Work-clamping means other than mechanically-actuated

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling And Boring (AREA)

Abstract

The invention discloses a multi-angle drilling and positioning fixture which comprises a base plate, a support frame, a rotating shaft, a positioning turnplate, a bolt device, and a product clamping device, wherein the support frame is vertically arranged on the base plate, the rotating shaft is arranged on the support frame through a bearing, the positioning turnplate is arranged at the front end of the rotating shaft through a key groove structure and synchronously rotates along with the rotating shaft, a positioning tooth groove corresponding to circumference distribution of a hole to be processed of a cylindrical product is formed in the circumference of the positioning turnplate, the bolt device is arranged on the front side of the support frame and is provided with inserting teeth, the movable inserting teeth are matched with the positioning tooth groove to achieve positioning, and the product clamping device is fixedly arranged at the rear end of the rotating shaft and synchronously rotates along with the rotating shaft. By the adoption of the technical scheme, quick, high-precision and multi-angle rotation and positioning of the cylindrical product are achieved, and efficiency, precision and quality of drilling processing of the cylindrical product are improved.

Description

A kind of multi-angle drilling positioning fixture
Technical field
The present invention relates to a kind of positioning fixture, be specifically related to a kind of multi-angle drilling positioning fixture for cylindric product periphery.
Background technology
Some cylindrical metal accessory product (as some frequency changer casing) need to be processed the hole (through hole or counterbore) of multiple different angles by hoop on its periphery, and existing be mainly to adopt in advance cylindric product setting-out location to the Drilling operation of this cylindric product, then position Drilling operation by the simple auxiliary locating tool of human assistance, existing this simple method is little in batches to some, the not high cylindric product Drilling operation of required precision can be said to be applicable, but its efficiency is low, boring positioning precision is poor, easily cause unstable product quality, it is in enormous quantities to some, and product boring has, and multiple angles variation requires and the product of high-precision requirement just can not finely be suitable for.
Summary of the invention
The object of the invention is to for the problems referred to above weak point, a kind of multi-angle drilling positioning fixture is provided, it can, to the multi-angle rotary location of cylindric Realization of Product quick high accuracy, improve efficiency and the quality of cylindric product Drilling operation.
In order to achieve the above object, the present invention is by the following technical solutions:
A kind of multi-angle drilling positioning fixture, it comprises:
Base plate;
Bracing frame, it is vertically arranged on base plate;
Rotating shaft, it is arranged on bracing frame by bearing;
Locating turntable, it is arranged on the front end of rotating shaft and is synchronizeed and rotate with rotating shaft by keyway arrangements, and this locating turntable circumference is provided with the location teeth groove corresponding with the hole to be processed circle distribution of cylindric product;
Bolt device, it is arranged on bracing frame front side, and be provided with locate teeth groove match location movable gear shaping;
Clamping product device, it is fixedly mounted on the rear end of rotating shaft and synchronizes and rotate with rotating shaft.
Particularly, described bolt device comprises:
Guiding mount pad, it is arranged on bracing frame front side, and this guiding mount pad is provided with gathering sill;
Movable latch, it is arranged in gathering sill, and its front end is the movable gear shaping of locating that matches with location teeth groove;
Latch cylinder, it is arranged on bracing frame front side, and is connected with movable latch.
Further concrete, described clamping product device comprises:
Fixed disc, it is fixedly mounted on the rear end of rotating shaft, and coaxially arranges with rotating shaft, and the diameter of described fixed disc is greater than the diameter of cylindric product;
Clamping cylinder, it is fixedly mounted on the middle part of fixed disc;
Internal expanding mechanism, it is arranged between fixed disc and clamping cylinder outside, and is connected with the cylinder rod of clamping cylinder;
Clamp lock tube, it is arranged on cylinder rod end, and is connected with internal expanding mechanism, and described clamping lock tube is provided with the baffle ring that is connected with internal expanding mechanism and for being fixed on the sleeve of cylinder rod end;
Pressing plate, it is provided with installation draw-in groove, and is arranged on the end of sleeve by draw-in groove is installed, and described pressing plate diameter is greater than the diameter of cylindric product;
Adjusting nut, it is arranged on the sleeve ends of pressing plate rear side.
Further concrete, described internal expanding mechanism comprises:
Internal expanding outer ring cylinder, it is arranged on the annular groove of fixed disc and coaxially arranges with rotating shaft, and the external diameter of described internal expanding outer ring cylinder is less than the internal diameter of cylindric product, and cylinder inwall end, internal expanding outer ring is provided with inclined-plane, outer ring;
Internal expanding inner ring cylinder, it is arranged in the cylinder of internal expanding outer ring, and its outer wall is provided with the inner ring inclined-plane suitable with inclined-plane, outer ring;
Internal expanding pressing plate, it is slidably mounted on cylinder rod, and its neighboring is connected with internal expanding inner ring cylinder end wall, and middle part is connected with the baffle ring contact that clamps lock tube.
As preferably, described internal expanding outer ring cylinder be provided with the hole to be processed circle distribution of cylindric product suitable dodge hole.
As preferably, described fixed disc is provided with for identifying start position and the pre-Location resilient piece that clamps cylindric product.
As preferably, described rotating shaft is provided with a locking nut for locking positioning rotating disk before locating turntable.
Further preferably, between described pressing plate and adjusting nut, be provided with a buffer spring.
In order to improve the automatically working of fixture, the present invention also comprises the rotating shaft servo drive of being located between bracing frame, and this rotating shaft servo drive comprises:
Servomotor, it is arranged on base plate by support;
Driven wheel, it is connected with servomotor;
Driven gear, it is fixedly mounted in rotating shaft, and engages with driven wheel.
For the further intelligent coordinated work of realization and outside drilling machine hand, the present invention also comprises a control device, and this control device comprises:
Pressure sensor, it is arranged on clamping product device;
Angular transducer, it is arranged in rotating shaft;
External equipment compatibility interface;
Programmable Logic Controller, it is electrically connected with pressure sensor, angular transducer, external equipment compatibility interface, bolt device, clamping product device and rotating shaft servo drive;
Programmable Logic Controller, according to the monitoring information of pressure sensor and angular transducer feedback, sends executive signal and coordinates and perform an action to bolt device, clamping product device and rotating shaft servo drive.
The present invention adopts above technical scheme, realizes the multi-angle rotary location to cylindric Realization of Product quick high accuracy, has improved efficiency, precision and the quality of cylindric product Drilling operation.
Brief description of the drawings
Fig. 1 is cylindric product perspective view of the present invention.
Fig. 2 is that cylindric product structure of the present invention is just intended to.
Fig. 3 is the A-A cutaway view of Fig. 2.
Fig. 4 is the structure front view of multi-angle drilling positioning fixture of the present invention.
Fig. 5 is the structure cutaway view of multi-angle drilling positioning fixture described in the embodiment of the present invention 1.
Fig. 6 is the structural perspective one of multi-angle drilling positioning fixture described in the embodiment of the present invention 1.
Fig. 7 is the structural perspective two of multi-angle drilling positioning fixture described in the embodiment of the present invention 1.
Fig. 8 is the structure cutaway view of multi-angle drilling positioning fixture described in the embodiment of the present invention 2.
Fig. 9 is the structure cutaway view of multi-angle drilling positioning fixture described in the embodiment of the present invention 3.
Figure 10 is the electric control theory block diagram of multi-angle drilling positioning fixture described in the embodiment of the present invention 3.
Come by the drawings and specific embodiments below that the invention will be further described:
Detailed description of the invention
Embodiment 1
As shown in Fig. 1 to 7, multi-angle drilling positioning fixture of the present invention, is applied to cylindric product 10 is clamped and carries out circumference multi-angle rotary location, realizes the accurate location drilling of circumference multi-angle of cylindric product 10.
Multi-angle drilling positioning fixture of the present invention comprises: base plate 1, bracing frame 2, rotating shaft 3, locating turntable 4, bolt device 5 and clamping product device 6.Concrete structure is as follows:
Support frame as described above 2 is vertically arranged on base plate 1, and bracing frame 2 has front end panel 21 and rear bearing sheet 22, and front and back gripper shoe is fixing by four bolts 23.
Described rotating shaft 3 is arranged on bracing frame 2 by bearing 24, is specially: described bearing 24 is arranged between front end panel 21 and rear bearing sheet 22, and rotating shaft 3 is arranged on bearing 24.
Described locating turntable 4 is arranged on the front end of rotating shaft 3 and is synchronizeed rotation with rotating shaft 3 by keyway arrangements (not drawing in figure), be that described locating turntable 4 is arranged in the rotating shaft 3 before bracing frame 2, these locating turntable 4 circumference are provided with the location teeth groove 41 corresponding with hole to be processed 101 circle distribution of cylindric product 10, further concrete, on locating turntable 4 circumference, be also provided with an initial alignment teeth groove 42.Described rotating shaft 3 is provided with a locking nut 7 for locking positioning rotating disk 4 before locating turntable 4, the present invention can change corresponding with it locating turntable 4 (due to different products according to the boring requirement of different cylindric products 10, its drilling hole amount is different with distribution of boreholes, so need different locating turntables).Further, above-mentioned location teeth groove 41 is corresponding with hole to be processed 101 circle distribution, comprise the two-layer meaning, the one, location teeth groove 41 is in full accord with hole to be processed 101 circle distribution angles, and its phase difference is 0 °, locate that teeth groove 41 fits like a glove with hole to be processed 101 circle distribution angles and initial position fits like a glove, this kind of situation is that the position of bolt device 5 and the position of drilling operation are consistent in circumference orientation, the 2nd, location teeth groove 41 is in full accord with hole to be processed 101 circle distribution angles, but phase difference is X °, it is its initial position certain angle (as 90 °) of being separated by, as the present embodiment, the position of drilling operation is above cylindric product 10 vertical direction, the angle of itself and vertical direction is 0 °, and the position of bolt device 5 is positioned at horizontal direction, the angle of itself and vertical direction is 90 °, therefore the location teeth groove 41 of locating turntable 4 fits like a glove with hole to be processed 101 circle distribution angles, but phase difference is 90 °, described location teeth groove 41 is treated machining hole 101 90 ° of circumferencial direction clockwise direction anterior displacements mutually.
Described bolt device 5 is arranged on bracing frame 2 front sides, be specially and be arranged on front end panel 21, and its be provided with locate teeth groove 41 match location movable gear shaping 521; Particularly, described bolt device 5 comprises: guiding mount pad 51, movable latch 52 and latch cylinder 53.Described guiding mount pad 51 is arranged on bracing frame 2 front sides (being front end panel 21), and this guiding mount pad is provided with gathering sill 511, described gathering sill 511 transverse horizontal settings; Described movable latch 52 is arranged on 511 li of gathering sills, and its front end is the movable gear shaping 521 of locating that matches with location teeth groove; Described latch cylinder 53 is arranged on bracing frame 2 front sides (being front end panel 21), and is connected with movable latch 521.When use, first make latch cylinder 53 recedings, rotational positioning rotating disk 4 is to desired location, make to locate accordingly teeth groove 41 alignment guide grooves 511, open latch cylinder 53 and make it drive movable latch 52 to stretch out gathering sill 511, thereby make movable gear shaping 521 insert corresponding location teeth groove 41, complete location.
Described clamping product device 6 is fixedly mounted on the rear end of rotating shaft 3 and synchronizes rotation with rotating shaft 3, is specially clamping product device 6 and fixedly mounts rotating shaft 3 ends of bracing frame 2 rear sides.Further concrete, described clamping product device 6 comprises: fixed disc 61, clamping cylinder 62, internal expanding mechanism 63, clamping lock tube 64, pressing plate 65 and adjusting nut 66.
Described fixed disc 61 is fixedly mounted on the rear end of rotating shaft 3, and coaxially arrange with rotating shaft 3, the diameter of described fixed disc 61 is greater than the diameter of cylindric product 10, described fixed disc 61 is provided with for identifying start position and the pre-Location resilient piece 611 that clamps cylindric product 10, and on the limit of fixed disc 61, the position of corresponding Location resilient piece 611 is provided with positioning ejection film trap 612.Described fixed disc 61 is for keeping out the front end of the cylindric product 10 of clamping.
Described clamping cylinder 62 is fixedly mounted on the middle part of fixed disc 61.
Described internal expanding mechanism 63 is arranged between fixed disc 61 and clamping cylinder 62 outsides, and be connected with the cylinder rod 621 of clamping cylinder 62, internal expanding mechanism 63 for from cylindric product 10 inside to feel relieved centering location of product, make cylindric product 10 and rotating shaft 3 coaxial positioning.Be specially: described internal expanding mechanism 63 comprises: internal expanding outer ring cylinder 631, internal expanding inner ring cylinder 632 and internal expanding pressing plate 633.Described internal expanding outer ring cylinder 631 is arranged on the annular groove of fixed disc 61 and coaxially arranges with rotating shaft 3, and the external diameter of described internal expanding outer ring cylinder 631 is less than the internal diameter of cylindric product 10, and cylinder 631 inwall ends in internal expanding outer ring are provided with inclined-plane, outer ring; Described internal expanding inner ring cylinder 632 is arranged in internal expanding outer ring cylinder 631, and its outer wall is provided with the inner ring inclined-plane suitable with inclined-plane, outer ring; Described internal expanding pressing plate 633 is slidably mounted on cylinder rod 621, and its neighboring is connected with internal expanding inner ring cylinder 632 end walls, and middle part is connected with baffle ring 641 contacts that clamp lock tube 64.Further, described internal expanding outer ring cylinder 631 be provided with hole to be processed 101 circle distribution of cylindric product 10 suitable dodge hole 6311, prevent that drill bit from encountering internal expanding outer ring cylinder 631 in the time that product is holed, when essence is used, internal expanding outer ring cylinder 631 that can be different according to different replacement of products so that internal expanding outer ring cylinder 631 to dodge hole 6311 corresponding with the machining hole of product.
Described clamping lock tube 64 is arranged on cylinder rod 621 ends, and is connected with internal expanding mechanism 63, and further, described clamping lock tube 64 is provided with the baffle ring 641 that is connected with internal expanding mechanism 63 and for being fixed on the sleeve 642 of cylinder rod end.
Described pressing plate 65 is provided with installs draw-in groove 651, and described installation draw-in groove 651 is U-shaped opening draw-in groove, and pressing plate 65 is arranged on the end of sleeve 642 by draw-in groove 651 is installed, and described pressing plate 65 diameters are greater than the diameter of cylindric product 10.The effect of institute's pressing plate 65 is that cylindric product 10 rear end faces are compressed forward, thereby makes the front end face of cylindric product 10 be fixed plectane 61, realizes being fixedly clamped of product.
Described adjusting nut 66 is arranged on the sleeve ends of pressing plate rear side, and its effect is to adjust pressing plate 65 according to the length of cylindric product axial distance is installed.
By being specifically used for, the invention will be further described below:
1) first movable latch 52 and locating turntable 4 are adjusted to initial position according to Fig. 1, now Location resilient piece 611 is positioned at top, and movable latch 52 is inserted initial alignment teeth groove 42.
2) the muscle portion 102 of cylindric product 10 is upwards placed, and insert positioning ejection film trap 612, muscle portion 102 is aimed at Location resilient piece 611, then plug pressing plate 65 (adjusting nut with in advance establish good position), then start clamping cylinder 62, cylinder rod 621 bounces back, make the baffle ring 641 that clamps lock tube 64 promote forward internal expanding pressing plate 633, and internal expanding pressing plate 633 is oppressed forward internal expanding inner ring cylinder 632, interact by inner ring inclined-plane and inclined-plane, outer ring, make internal expanding inner ring cylinder 632 internal expanding support cylinder shape product 10 inwalls, make cylindric product 10 coaxial with rotating shaft 3, meanwhile, in the process bouncing back at cylinder rod 621, the sleeve 642 that clamps lock tube 64 drives adjusting nut 66 forward, adjusting nut 66 promotes pressing plate 65 forward, thereby make further cylindric product 10 rear end faces of compressing of pressing plate 65, thereby the front end face that makes cylindric product 10 is fixed plectane 61, the locating clip of realizing product fastens.
3) start latch cylinder 53 and bounce back, movable latch 52 is bounced back, then clockwise or rotate counterclockwise next location teeth groove 41, then start latch cylinder 53 and stretch out, drive movable latch 53 to stretch out and make movable gear shaping 521 insert location teeth groove 41.101 positions, hole to be processed of cylindric product 10 upwards, then start Drilling operation.
4) often process position, a hole, open latch cylinder 53 and bounce back, turn to next location teeth groove 41 locking, until machine (now, product muscle position is upwards got back to initial position again).
5) unclamp clamping product device 6, take out product.
Embodiment 2
As shown in Figure 8, the multi-angle drilling positioning fixture described in the present embodiment, it increases a buffer spring 67 is set on the basis of embodiment 1 between pressing plate 65 and adjusting nut 66.
In above-described embodiment 1, because clamping cylinder 62 pulls internal expanding mechanism 63 and pressing plate 65 simultaneously, distance between the application point of the application point of internal expanding mechanism 63 and pressing plate 65 is fixing and rigidity, therefore need the size positions between internal expanding mechanism 63 and pressing plate 65 more accurate, otherwise there will be internal expanding mechanism 63 to oppress product inwall, and pressing plate 65 does not also arrive the rear end of product, cause pressing plate 65 can not oppress clamping product, or pressing plate 65 has been urged to the rear end of product, and internal expanding mechanism 63 is not also urged to product inwall, cause product and the rotating shaft 3 can not co-axially align.Therefore, the present embodiment increases a buffer spring 67 is set between pressing plate 65 and adjusting nut 66, size positions between internal expanding mechanism 63 and pressing plate 65 exists relatively large error, still can realize the positioning and clamping that internal expanding mechanism 63 and pressing plate 65 act on product simultaneously, ought occur that internal expanding mechanism 63 has oppressed product inwall, keep exerting pressure forward and clamp product rear end at the elastic force effect lower platen 65 of buffer spring 67, or when pressing plate 65 has been urged to the rear end of product, and internal expanding mechanism 63 is not while being also urged to product inwall, due to the cushioning effect of buffer spring 67, clamping cylinder 62 still can pull forward internal expanding mechanism 63 until compressing product inwall.Simultaneous buffering spring 67 can prevent from causing because clamping cylinder 62 pulling force are excessive the oppressed distortion of product.
Other structures of the present embodiment please refer to embodiment 1.
Embodiment 3
As shown in Figures 9 and 10, multi-angle drilling positioning fixture of the present invention comprises: base plate 1, bracing frame 2, rotating shaft 3, locating turntable 4, bolt device 5 and clamping product device 6.Support frame as described above 2 is vertically arranged on base plate 1, and bracing frame 2 has front end panel 21 and rear bearing sheet 22, and front and back gripper shoe is fixing by four bolts 23.
In order to improve the automaticity of fixture of the present invention and the intelligent coordinated work of further realization and outside drilling machine hand (not drawing in figure), the present embodiment has increased rotating shaft servo drive 8 and control device 9 on the basis of embodiment 1, and concrete structure is as follows:
Described rotating shaft servo drive 8 is located between bracing frame 2, is specially, and described rotating shaft servo drive 8 is located between front end panel 21 and rear bearing sheet 22, and this rotating shaft servo drive comprises: servomotor 81, driven wheel 82 and driven gear 83.Described servomotor 81 is arranged on base plate 1 by support 84; Described driven wheel 82 is connected with servomotor 81; Described driven gear 83 is fixedly mounted in rotating shaft 3, and engages with driven wheel 82.
Described control device 9 comprises: pressure sensor 91, angular transducer 92, external equipment compatibility interface 93 and Programmable Logic Controller 94.Described pressure sensor 91 is arranged on clamping product device 6, for detection of the compaction pressure of clamping product device 6, for judging whether clamping product; Described angular transducer 92 is arranged in rotating shaft 3, for detection of the rotational angle position of feedback rotating shaft 3; Described external equipment compatibility interface 93, for connecting with external equipment, realizes the networking collaborative work with external equipment drilling machine hand; Described Programmable Logic Controller 94 is electrically connected with pressure sensor 91, angular transducer 92, external equipment compatibility interface 93, bolt device 5, clamping product device 6 and rotating shaft servo drive 8.The monitoring information that Programmable Logic Controller feeds back according to pressure sensor 91 and angular transducer 92, send executive signal and coordinate and perform an action to bolt device 5, clamping product device 6, rotating shaft servo drive 8, can send executive signal to the collaborative work of external equipment drilling machine hand by external equipment compatibility interface simultaneously.
The present embodiment is further described by specifically should being used for below:
First locating turntable 4 is placed on initial position, and insert location by movable latch 52, product is placed on clamping product device 6, then Programmable Logic Controller 94 sends instruction control clamping product device 6 and clamps action, after pressure sensor 91 detects that product is clamped, Programmable Logic Controller 94 is controlled clamping product device 6 and is stopped clamping action, angular transducer 92 zero clearings are made as initial position and feed back to Programmable Logic Controller 94, Programmable Logic Controller 94 is located according to preset angles Data Control locating turntable 4, its process is, Programmable Logic Controller 94 is controlled bolt device 5 and is bounced back, then sending instruction to rotating shaft servo drive 8 makes rotating shaft 3 be rotated according to default angle-data, angular transducer 92 detects in real time, in the time that angular transducer 92 detects rotating shaft 3 rotation arrival preset angles, Programmable Logic Controller 94 is controlled rotating shaft servo drive 8 and is quit work, and send the location teeth groove 41 that stretches out instruction to bolt device 5 and stretch out movable latch 52 and insert locating turntable 4, locating turntable 4 is carried out to locking position, then Programmable Logic Controller 94 sends executive signal to external equipment drilling machine hand by external equipment compatibility interface 93 and carries out boring work.After having holed, external equipment drilling machine hand sends a signal to Programmable Logic Controller 94 by external equipment compatibility interface 93, and Programmable Logic Controller 94 controls each sensor and actuating unit enters next working cycles, until all Drilling operations of product complete.

Claims (10)

1. a multi-angle drilling positioning fixture, is characterized in that comprising:
Base plate;
Bracing frame, it is vertically arranged on base plate;
Rotating shaft, it is arranged on bracing frame by bearing;
Locating turntable, it is arranged on the front end of rotating shaft and is synchronizeed and rotate with rotating shaft by keyway arrangements, and this locating turntable circumference is provided with the location teeth groove corresponding with the hole to be processed circle distribution of cylindric product;
Bolt device, it is arranged on bracing frame front side, and be provided with locate teeth groove match location movable gear shaping;
Clamping product device, it is fixedly mounted on the rear end of rotating shaft and synchronizes and rotate with rotating shaft.
2. multi-angle drilling positioning fixture according to claim 1, is characterized in that: described bolt device comprises:
Guiding mount pad, it is arranged on bracing frame front side, and this guiding mount pad is provided with gathering sill;
Movable latch, it is arranged in gathering sill, and its front end is the movable gear shaping of locating that matches with location teeth groove;
Latch cylinder, it is arranged on bracing frame front side, and is connected with movable latch.
3. multi-angle drilling positioning fixture according to claim 1, is characterized in that: described clamping product device comprises:
Fixed disc, it is fixedly mounted on the rear end of rotating shaft, and coaxially arranges with rotating shaft, and the diameter of described fixed disc is greater than the diameter of cylindric product;
Clamping cylinder, it is fixedly mounted on the middle part of fixed disc;
Internal expanding mechanism, it is arranged between fixed disc and clamping cylinder outside, and is connected with the cylinder rod of clamping cylinder;
Clamp lock tube, it is arranged on cylinder rod end, and is connected with internal expanding mechanism, and described clamping lock tube is provided with the baffle ring that is connected with internal expanding mechanism and for being fixed on the sleeve of cylinder rod end;
Pressing plate, it is provided with installation draw-in groove, and is arranged on the end of sleeve by draw-in groove is installed, and described pressing plate diameter is greater than the diameter of cylindric product;
Adjusting nut, it is arranged on the sleeve ends of pressing plate rear side.
4. multi-angle drilling positioning fixture according to claim 3, is characterized in that: described internal expanding mechanism comprises:
Internal expanding outer ring cylinder, it is arranged on the annular groove of fixed disc and coaxially arranges with rotating shaft, and the external diameter of described internal expanding outer ring cylinder is less than the internal diameter of cylindric product, and cylinder inwall end, internal expanding outer ring is provided with inclined-plane, outer ring;
Internal expanding inner ring cylinder, it is arranged in the cylinder of internal expanding outer ring, and its outer wall is provided with the inner ring inclined-plane suitable with inclined-plane, outer ring;
Internal expanding pressing plate, it is slidably mounted on cylinder rod, and its neighboring is connected with internal expanding inner ring cylinder end wall, and middle part is connected with the baffle ring contact that clamps lock tube.
5. multi-angle drilling positioning fixture according to claim 4, is characterized in that: described internal expanding outer ring cylinder be provided with the hole to be processed circle distribution of cylindric product suitable dodge hole.
6. multi-angle drilling positioning fixture according to claim 3, is characterized in that: described fixed disc is provided with for identifying start position and the pre-Location resilient piece that clamps cylindric product.
7. multi-angle drilling positioning fixture according to claim 1, is characterized in that: described rotating shaft is provided with a locking nut for locking positioning rotating disk before locating turntable.
8. multi-angle drilling positioning fixture according to claim 3, is characterized in that: between described pressing plate and adjusting nut, be provided with a buffer spring.
9. multi-angle drilling positioning fixture according to claim 1, is characterized in that: also comprise the rotating shaft servo drive of being located between bracing frame, this rotating shaft servo drive comprises:
Servomotor, it is arranged on base plate by support;
Driven wheel, it is connected with servomotor;
Driven gear, it is fixedly mounted in rotating shaft, and engages with driven wheel.
10. multi-angle drilling positioning fixture according to claim 9, is characterized in that: also comprise a control device, this control device comprises:
Pressure sensor, it is arranged on clamping product device;
Angular transducer, it is arranged in rotating shaft;
External equipment compatibility interface;
Programmable Logic Controller, it is electrically connected with pressure sensor, angular transducer, external equipment compatibility interface, bolt device, clamping product device and rotating shaft servo drive;
Programmable Logic Controller, according to the monitoring information of pressure sensor and angular transducer feedback, sends executive signal and coordinates and perform an action to bolt device, clamping product device and rotating shaft servo drive.
CN201410193065.2A 2014-05-08 2014-05-08 Multi-angle drilling and positioning fixture Active CN103934703B (en)

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CN105834933A (en) * 2016-05-18 2016-08-10 安徽华菱汽车有限公司 Engine overturning machine
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CN109396950A (en) * 2017-08-17 2019-03-01 上海阿为特精密机械股份有限公司 Angle positioning device and angle localization method
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CN107838660A (en) * 2017-12-14 2018-03-27 北京信息科技大学 It is a kind of towards the vertically-mounted automatic avoiding mechanism in fixture bottom surface
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