CN111957998B - Countersink positioning device - Google Patents
Countersink positioning device Download PDFInfo
- Publication number
- CN111957998B CN111957998B CN202010835270.XA CN202010835270A CN111957998B CN 111957998 B CN111957998 B CN 111957998B CN 202010835270 A CN202010835270 A CN 202010835270A CN 111957998 B CN111957998 B CN 111957998B
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- module
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- pressing
- spot facing
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B39/00—General-purpose boring or drilling machines or devices; Sets of boring and/or drilling machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, 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
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices 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
- B23Q3/06—Work-clamping means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, 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
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/22—Feeding members carrying tools or work
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
Abstract
This technical scheme is a countersink positioner, belongs to the countersink field, can realize carrying out the secondary drilling after the accurate positioning processing hole, and the device is including being used for the countersink unit of work piece countersink, with the locating element of a plurality of evenly distributed's processing hole location under the countersink unit in proper order on the work piece, the locating element is including being used for bearing the carousel of work piece, the rotatory rotary drive module of drive carousel, with the work piece pushing down on the carousel and with carousel synchronous rotating's push down the module, the lift drive module of the reciprocal lift of drive push down module, the detection module that is used for detecting the position of work piece processing hole, detection module and countersink unit correspond respectively on the work piece different processing hole arrangement.
Description
Technical Field
The invention relates to the field of spot facing, in particular to a spot facing positioning device.
Background
Spot facing is a metal working method, which means that a cylindrical countersink, a conical countersink, a boss end face and the like are machined on a machined hole.
Countersink is also an indispensable second procedure of countersink molding, and the countersink is needed to be performed by using drilling equipment in order to improve production efficiency, and the specific structure of the drilling equipment can refer to the following technical scheme:
the utility model provides a high accuracy disc drilling machine that patent application number is 201510936261.9, disc in this equipment is placed on rotatable disc, and drilling equipment passes through the reciprocal translation of lead screw in the upside of disc to reach and bore holes in arbitrary position on the disc, but to the spot facing process, this equipment can't pinpoint out the existing processing hole, need the manual secondary drilling of aiming at after the processing hole of manual work, machining precision is poor, unable automated production, production efficiency is lower.
The patent application number 201810962501.6 is a processingequipment suitable for drilling of disc flange of multiple specification, and the work piece is placed on rotatable disc in this equipment, arranges the vertical drilling machine of work piece upside, then can adjust vertical drilling machine's front and back position through guiding mechanism, and the same thing, can process the hole on the arbitrary position of work piece, but can't be accurate continue the spot facing processing on original processing hole.
The utility model provides a plastic disc drilling equipment that patent application number is 201921345003.3, disc in this equipment is placed in a fixed unit, and fixed unit downside is fixed with motor element, and control fixed unit goes up and down and rotates, drives the disc and rotates, and the drilling unit of fixed unit upside can carry out the drilling to any position of disc, and the device is also unable accurate and continues the reaming processing on original processing hole in the same way.
At present, when the existing equipment is used for secondary drilling, the problem that a machined hole cannot be accurately positioned is solved.
Disclosure of Invention
The invention aims to provide a spot facing positioning device which can accurately position a machined hole and then drill holes for the second time.
The technical scheme provided by the invention is as follows: the utility model provides a countersink positioner, includes the countersink unit that is used for the work piece countersink, positions the locating element under the countersink unit in proper order with a plurality of evenly distributed's machined holes on the work piece, the locating element is including the carousel that is used for bearing the work piece, the rotatory rotary drive module of drive carousel, push down the work piece on the carousel and with carousel synchronous pivoted push down the module, the lift drive module of the reciprocal lift of push down the module, the detection module that is used for detecting the position of work piece machined holes, detection module and countersink unit correspond the different machined holes on the work piece respectively and arrange.
In the spot facing positioning device, the pressing module comprises a pressing plate for pressing the upper side surface of the middle part of the workpiece, a fixing seat fixed on the upper side of the pressing plate, and a fixing shaft which is arranged on the upper side of the workpiece in a suspending manner, and the fixing shaft is in running fit with the fixing seat.
In the spot facing positioning device, a chamfer for enabling the edge of the lower end of the pressure plate to be inserted into the inner ring of the workpiece is arranged on the lower side of the pressure plate in a surrounding mode.
In the spot facing positioning device, the fixing seat is provided with an insertion hole into which the fixing shaft is inserted and a bearing fixed in the insertion hole, the insertion hole is positioned in the middle of the fixing seat, and the inner ring of the bearing is fixedly connected with the fixing shaft.
In the spot facing positioning device, the lifting driving module comprises a swinging arm capable of swinging and lifting, and the pressing module is fixed on the swinging end of the swinging arm.
In the spot facing positioning device, the lifting driving module further comprises a support column hinged to the middle of the swing arm and a lifting cylinder for driving the swing arm to lift, the pressing module and the lifting cylinder are respectively arranged on two opposite sides of the support column, and the power output end of the lifting cylinder is hinged to the swing arm.
In the spot facing positioning device, the rotary driving module comprises a motor fixed on the lower side of the rotary table, a speed reducer fixed at the power output end of the motor, and a coupler, wherein the middle part of the lower end of the rotary table is provided with a transmission shaft, and the power output end of the speed reducer is fixedly connected with the transmission shaft through the coupler.
In the spot facing positioning device, the spot facing unit comprises a drill capable of lifting up and down in a reciprocating manner and a spot facing driving module for driving the drill to rotate, and the drill is arranged on the upper side of the turntable.
In the spot facing positioning device, the detection module comprises a fixing frame and a photoelectric sensor fixed at one end of the fixing frame.
After the technical scheme is adopted, the invention has the following beneficial effects:
according to the scheme, the rotary table, the detection module and the spot facing units are mutually matched, a workpiece is placed on the rotary table, the rotary table rotates to drive the workpiece to rotate, a plurality of evenly distributed machining holes on the workpiece also rotate along with the rotary table, the detection module and the spot facing units respectively correspond to different machining holes on the workpiece, namely when one machining hole on the workpiece rotates to the position right below the detection module, the other machining hole on the workpiece is positioned right below the spot facing unit, at the moment, the rotary table stops rotating, and the spot facing unit performs secondary hole rotating, so that the primary positioning effect is achieved; in order to keep the synchronous motion state of the workpiece on the turntable, relative rotation and deviation are not generated between the workpiece and the turntable, the lifting driving module is used for driving the rotatable pressing module to descend, the workpiece is pressed on the turntable, the workpiece rotates, the pressing module rotates as a driven piece through friction force between the pressing module and the turntable and between the pressing module and the workpiece, the effect of accurate positioning is achieved, and secondary drilling is performed after accurate positioning of a machined hole is achieved.
Drawings
Fig. 1 is a schematic view of the spot facing positioning apparatus of embodiment 1 of the present invention;
fig. 2 is a schematic structural view of a pressing module of embodiment 1 of the present invention;
FIG. 3 is a schematic view showing the assembly of the platen, the fixing base, and the fixing shaft according to embodiment 1 of the present invention;
FIG. 4 is a schematic diagram of the structure of the turntable and the rotary driving module according to the embodiment 1 of the present invention;
FIG. 5 is a schematic view of the structure of a workpiece of embodiment 1 of the present invention;
fig. 6 is a schematic layout diagram of the spot facing unit and the inspection module according to embodiment 1 of the present invention.
Reference numerals: 1. a drill bit; 2. a detection module; 3. a spot facing drive module; 4. a pressing module; 5. a turntable; 6. a workpiece; 7. a rotary drive module; 8. chamfering; 9. a pressure plate; 10. a fixing seat; 11. a fixed shaft; 12. swing arms; 13. a lifting cylinder; 14. a support column; 15. a transmission shaft; 16. a coupling; 17. a speed reducer; 18. a motor; 19. processing a hole; 20. a fixing frame; 21. a photoelectric sensor; 22. a lifting driving module; 23. bearing
Detailed Description
The technical scheme of the present invention will be described in further detail below with reference to the specific embodiments, but the present invention is not limited thereto.
Example 1:
as shown in fig. 1-6, the spot facing positioning device comprises a spot facing unit for spot facing a workpiece 6, and a positioning unit for sequentially positioning a plurality of evenly distributed machining holes 19 on the workpiece 6 under the spot facing unit, wherein the positioning unit comprises a rotary table 5 for bearing the workpiece 6, a rotary driving module 7 for driving the rotary table 5 to rotate, a pressing module 4 for pressing the workpiece 6 down on the rotary table 5 and synchronously rotating with the rotary table 5, a lifting driving module 22 for driving the pressing module 4 to lift up and down reciprocally, and a detection module 2 for detecting the positions of the machining holes 19 on the workpiece 6, and the detection module 2 and the spot facing unit are respectively arranged corresponding to different machining holes 19 on the workpiece 6.
The implementation principle is that by arranging the rotary table 5, the detection module 2 and the spot facing units to be matched with each other, the workpiece 6 is placed on the rotary table 5, the rotary table 5 rotates to drive the workpiece 6 to rotate, a plurality of evenly distributed machining holes 19 on the workpiece 6 also rotate along with the rotary table, the detection module 2 and the spot facing units respectively correspond to different machining holes 19 on the workpiece 6, namely when one machining hole 19 on the workpiece 6 rotates to the position right below the detection module 2, the other machining hole 19 on the workpiece 6 is positioned right below the spot facing unit, and at the moment, the rotary table 5 stops rotating, and the spot facing unit performs secondary hole rotation, so that the preliminary positioning effect is achieved; in order to keep the workpiece 6 in a synchronous motion state on the turntable 5, relative rotation and deviation are not generated between the workpiece 6 and the turntable 5, the lifting driving module 22 is used for driving the rotatable pressing module 4 to descend, the workpiece 6 is pressed on the turntable 5, the workpiece 6 rotates, the pressing module 4 rotates as a driven piece through friction force with the turntable 5 and the workpiece 6, the effect of accurate positioning is achieved, and secondary drilling is performed after a machined hole 19 is accurately positioned.
In practical application, the pressing module 4 comprises a pressing plate 9 for pressing the upper side surface of the middle part of the workpiece 6, a fixing seat 10 fixed on the upper side of the pressing plate 9, and a fixing shaft 11 suspended on the upper side of the workpiece 6, wherein the fixing shaft 11 is in running fit with the fixing seat 10.
The pressing module 4 can press the workpiece 6 and rotate simultaneously, the pressing plate 9 is arranged, the pressing plate 9 descends to press the workpiece 6 on the turntable 5, a fixed shaft 11 is arranged on the upper side of the workpiece 6 in a suspended mode, and a fixed seat 10 fixed on the upper side of the pressing plate 9 is in rotary fit with the fixed shaft 11, so that the fixed seat 10 can drive the turntable 5 to rotate around the fixed shaft 11.
Further optimized, the lower side of the pressure plate 9 is circumferentially provided with a chamfer 8 for inserting the edge of the lower end of the pressure plate 9 into the inner ring of the workpiece 6.
The optimization purpose is, through setting up chamfer 8, reduce the diameter of platen 9 lower extreme face to in the middle of inserting the inner circle of work piece 6, make platen 9 not only have the location effect in the longitudinal direction, in the middle of the border of platen 9 lower extreme inserts the inner circle of work piece 6, platen 9 also has the location effect in the lateral direction, and work piece 6 can't remove in arbitrary direction of horizontal plane.
In actual operation, the fixing base 10 is provided with an insertion hole into which the fixing shaft 11 is inserted, and a bearing fixed in the insertion hole, the insertion hole is located in the middle of the fixing base 10, and an inner ring of the bearing is fixedly connected with the fixing shaft 11.
The fixed seat 10 and the fixed shaft 11 rotate relatively, through the mutual matching of the jack, the bearing and the fixed shaft 11, the fixed seat 10 is provided with the jack for the fixed shaft 11 to be inserted, the bearing is fixed in the jack, the outer wall of the bearing is in hard fit with the fixed seat 10, the inner wall of the bearing is in interference fit with the fixed shaft 11, and the fixed seat 10 rotates relatively around the fixed shaft 11 by utilizing the bearing, so that the rotation matching of the fixed seat 10 and the fixed seat 10 is realized.
In an implementation, the lifting driving module 22 includes a swing arm 12 capable of swinging and lifting, and the pressing module 4 is fixed on a swinging end of the swing arm 12.
The mode of realizing pushing down the module 4 reciprocal lift is, through setting up swing arm 12, pushing down the module 4 and fixing at the swing end of swing arm 12, utilizes the reciprocating motion form of going up and down of swing arm 12, drives pushing down the module 4 reciprocal lift, compresses tightly work piece 6 on carousel 5, when pushing down the module 4 and compressing tightly work piece 6 on carousel 5, swing arm 12 is in the horizontality, adopts the mode of the vertical lift of cylinder drive fixed axle 11 relatively, and the positioning accuracy of the decline of pressure disk 9 is very higher more stable.
In the execution operation, the lifting driving module 22 further comprises a support column 14 hinged with the middle part of the swing arm 12 and a lifting air cylinder 13 for driving the swing arm 12 to lift, the lower pressing module 4 and the lifting air cylinder 13 are respectively arranged on two opposite sides of the support column 14, and the power output end of the lifting air cylinder 13 is hinged with the swing arm 12.
The operation process of the lifting driving module 22 is that by arranging the supporting column 14 as a fulcrum for swinging the swinging arm 12, two ends of the swinging arm 12 swing reversely by taking the supporting column 14 as a center, the lifting cylinder 13 is used as a power source for driving the swinging arm 12 to swing, the power output end of the lifting cylinder 13 is hinged with the swinging arm 12, the lower pressing module 4 and the lifting cylinder 13 are respectively arranged at two opposite sides of the supporting column 14, and when the power output end of the lifting cylinder 13 extends, the lower pressing module 4 descends; when the power output end of the lifting cylinder 13 is retracted, the lower pressure module 4 is lifted.
In specific implementation, the rotary driving module 7 comprises a motor 18 fixed at the lower side of the turntable 5, a speed reducer 17 fixed at the power output end of the motor 18, and a coupling 16, wherein the middle part of the lower end of the turntable 5 is provided with a transmission shaft 15, and the power output end of the speed reducer 17 is fixedly connected with the transmission shaft 15 through the coupling 16.
The spot facing unit is structurally characterized by comprising a drill bit 1 capable of lifting and descending in a reciprocating mode and a spot facing driving module 3 for driving the drill bit 1 to rotate, wherein the drill bit 1 is arranged on the upper side of a rotary disc 5.
In addition, the detection module 2 includes a fixing frame 20, and a photoelectric sensor 21 fixed at one end of the fixing frame 20.
The above examples are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above examples, and any other changes, modifications, substitutions, combinations, and simplifications that do not depart from the spirit and principle of the present invention should be made in the equivalent manner, and the embodiments are included in the protection scope of the present invention.
Claims (7)
1. The spot facing positioning device comprises a spot facing unit for spot facing a workpiece (6), and a positioning unit for sequentially positioning a plurality of uniformly distributed machining holes (19) on the workpiece (6) below the spot facing unit, and is characterized in that the positioning unit comprises a turntable (5) for bearing the workpiece (6), a rotary driving module (7) for driving the turntable (5) to rotate, a pressing module (4) for pressing the workpiece (6) on the turntable (5) and synchronously rotating with the turntable (5), a lifting driving module (22) for driving the pressing module (4) to lift up and down in a reciprocating manner, and a detection module (2) for detecting the positions of the machining holes (19) on the workpiece (6), wherein the detection module (2) and the spot facing unit are respectively arranged corresponding to different machining holes (19) on the workpiece (6); when one machining hole (19) on the workpiece (6) rotates to the position right below the detection module (2), the other machining hole (19) on the workpiece (6) is positioned right below the spot facing unit, and at the moment, the rotary table (5) stops rotating, and the spot facing unit performs secondary drilling;
the pressing module (4) comprises a pressing plate (9) for pressing the upper side surface of the middle part of the workpiece (6), a fixing seat (10) fixed on the upper side of the pressing plate (9), and a fixing shaft (11) suspended on the upper side of the workpiece (6), wherein the fixing shaft (11) is in running fit with the fixing seat (10);
the lifting driving module (22) comprises a swinging arm (12) capable of swinging and lifting, and the pressing module (4) is fixed on the swinging end of the swinging arm (12).
2. Spot-facing positioning device according to claim 1, characterized in that the underside of the pressure plate (9) is circumferentially provided with a chamfer (8) for inserting the edge of the lower end of the pressure plate (9) into the inner ring of the workpiece (6).
3. The spot facing positioning device according to claim 1, wherein the fixing base (10) is provided with a jack into which the fixing shaft (11) is inserted and a bearing fixed in the jack, the jack is positioned in the middle of the fixing base (10), and an inner ring of the bearing is fixedly connected with the fixing shaft (11).
4. The spot facing positioning device according to claim 1, wherein the lifting driving module (22) further comprises a support column (14) hinged with the middle part of the swing arm (12) and a lifting cylinder (13) for driving the swing arm (12) to lift, the pressing module (4) and the lifting cylinder (13) are respectively arranged on two opposite sides of the support column (14), and the power output end of the lifting cylinder (13) is hinged with the swing arm (12).
5. The spot facing positioning device according to claim 1, wherein the rotary driving module (7) comprises a motor (18) fixed at the lower side of the rotary table (5), a speed reducer (17) fixed at the power output end of the motor (18), and a coupler (16), a transmission shaft (15) is arranged in the middle of the lower end of the rotary table (5), and the power output end of the speed reducer (17) is fixedly connected with the transmission shaft (15) through the coupler (16).
6. Spot-facing positioning device according to claim 1, characterized in that the spot-facing unit comprises a reciprocatingly liftable drill (1), a spot-facing drive module (3) for driving the drill (1) in rotation, the drill (1) being arranged on the upper side of the turntable (5).
7. Spot-facing positioning device according to any one of claims 1-6, characterized in that the detection module (2) comprises a holder (20), a photoelectric sensor (21) fixed at one end of the holder (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010835270.XA CN111957998B (en) | 2020-08-19 | 2020-08-19 | Countersink positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010835270.XA CN111957998B (en) | 2020-08-19 | 2020-08-19 | Countersink positioning device |
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| CN111957998A CN111957998A (en) | 2020-11-20 |
| CN111957998B true CN111957998B (en) | 2023-10-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010835270.XA Active CN111957998B (en) | 2020-08-19 | 2020-08-19 | Countersink positioning device |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113198644A (en) * | 2021-05-25 | 2021-08-03 | 嘉兴学院 | Conveying device with positioning structure for spraying brake disc |
| CN114273697B (en) * | 2021-12-28 | 2023-12-01 | 济宁市技师学院 | Special-shaped workpiece punching and tapping device |
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| CN111957998A (en) | 2020-11-20 |
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