CN210435770U - Tool for machining shaft hole of underwater aeration rotating arm - Google Patents
Tool for machining shaft hole of underwater aeration rotating arm Download PDFInfo
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- CN210435770U CN210435770U CN201921464371.XU CN201921464371U CN210435770U CN 210435770 U CN210435770 U CN 210435770U CN 201921464371 U CN201921464371 U CN 201921464371U CN 210435770 U CN210435770 U CN 210435770U
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- positioning shaft
- rotating arm
- screw rod
- shaft
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Abstract
The utility model provides a frock in processing underwater aeration swinging boom shaft hole, belong to machining technical field, structural by the bottom plate, support cylinder, the location axle, the polished rod, the hand wheel, bevel gear, parts such as screw rod connect and constitute, drive the polished rod through the hand wheel, bevel gear rotates, it rotates in situ to drive the screw rod by bevel gear, it reciprocates to drive the location axle by the screw rod, the location axle goes into the location axle with the shaft hole cover that has the processing allowance in the centre of swinging boom work piece after the location axle rises, lean on one of them arm of swinging boom to go up the locating pin, it is fixed with the swinging boom work piece to utilize the clamp plate, the reverse hand wheel that waves makes the location axle descend to the big face below of bottom plate, make the processing in swinging boom shaft hole can a step machine-shaping, this.
Description
Technical Field
The utility model belongs to the technical field of machining, a processing frock of aeration equipment spare part is related to, specific frock that relates to a processing is aeration swinging boom shaft hole under water.
Background
The underwater aeration device capable of rotating the station can be designed for realizing the rotary aeration effect, a rotary arm is a key part in the device, a shaft hole in the middle of the rotary arm is matched with a support rod, the rotary arm is inconvenient to clamp due to special external structure of the rotary arm, the rotary arm cannot rotate smoothly if the shaft hole machining precision is not high, and the rotary arm cannot be unbalanced and worn prematurely if the machining standard of the shaft hole deviates from the design standard seriously, so that the design of the underwater aeration device capable of improving the machining precision is necessary, Improve machining efficiency's frock.
SUMMERY OF THE UTILITY MODEL
The utility model aims at a novel aeration under water device's swinging boom outside profile structure is special, and the clamping is inconvenient, causes the shaft hole to add man-hour processing benchmark and design benchmark error big, and the machining precision is not high, influences the use of swinging boom, and the swinging boom is easy not enough such as too early wearing and tearing, provides a frock in processing aeration swinging boom shaft hole under water, and frock novel structure, convenient to use can improve machining precision and machining efficiency.
The technical scheme of the utility model is that: a tool for processing an axle hole of an underwater aeration rotating arm comprises a bottom plate and a supporting cylinder arranged on the bottom surface of the bottom plate; the method is characterized in that: the center of the bottom plate is provided with a step through hole, the wall of a bottom hole of the step through hole is provided with a square groove, a positioning shaft is arranged in the step through hole, the center of the bottom surface of the positioning shaft is provided with a positioning shaft threaded hole, the outer surface of the positioning shaft is fixedly provided with two straight pins, the straight pins move in the square groove, the back surface of the bottom plate is fixedly connected with a supporting plate, the center of the supporting plate is provided with a bearing, a screw rod is arranged in the bearing, the upper end of the screw rod is connected with the positioning shaft threaded hole, the lower end of the screw rod is connected with a bevel gear, one side of the supporting plate at the back surface of the bottom plate is fixedly provided with a supporting block, a rotatable polished rod is arranged in the supporting block, one end of the polished rod is connected with a, the pressing plate is connected and arranged in the pressing plate threaded hole, one side of one pressing plate threaded hole is provided with a positioning pin, the rotating arm machining piece is quickly positioned through a step of the step through hole, and the pressing plate is used for fixing and pressing after the positioning pin is used for assisting positioning.
The screw rod and the bearing form interference fit, and the bottom of the screw rod is connected with the bevel gear through a key.
The positioning shaft and the step through hole form clearance fit, and the height of the positioning shaft is smaller than the thickness of the bottom plate.
The depth of the positioning shaft threaded hole is not less than 1/2 of the height of the positioning shaft, and the length of the screw rod is greater than the depth of the positioning shaft threaded hole.
The straight pins are spirally connected with the surface of the positioning shaft, and the two straight pins are arranged at an angle of 180 degrees.
The utility model has the advantages that: the utility model provides a pair of frock in processing underwater aeration swinging boom shaft hole, structural by the bottom plate, support cylinder, the location axle, the polished rod, the hand wheel, bevel gear, parts such as screw rod connect and constitute, drive the polished rod through the hand wheel, bevel gear rotates, it rotates in situ to drive the screw rod by bevel gear, it reciprocates to drive the location axle by the screw rod, the location axle advances the location axle with the shaft hole cover that the centre of swinging boom work piece has the processing allowance after the location axle rises, lean on one of them arm of swinging boom to go up the locating pin, it is fixed with the swinging boom work piece to utilize the clamp plate, reverse wave the hand wheel makes the location axle descend to the big face below of bottom plate, the processing that makes the swinging boom shaft hole can a step machine-shaping, this frock simple structure, high.
Drawings
Fig. 1 is the structure diagram of the clamping device of the present invention.
Fig. 2 is a schematic view of the top view structure of the present invention.
Fig. 3 is a schematic sectional view in the direction of a-a in fig. 2.
In the figure: the device comprises a bottom plate 1, a positioning shaft 2, a rotating arm workpiece 3, a positioning pin 4, a pressing plate 5, a via hole 6, a hand wheel 7, a pressing plate threaded hole 8, a step through hole 9, a straight pin 10, a square groove 11, a positioning pin threaded hole 12, a screw 13, a supporting plate 14, a bearing 15, a bevel gear 16, a polish rod 17, a supporting block 18, a bottom hole 19 and a supporting cylinder 20.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings:
as shown in figures 1-3, a tool for machining an axle hole of an underwater aeration rotating arm, a supporting cylinder 20 is arranged on the bottom surface of a bottom plate 1, a step through hole 9 is arranged at the center of the bottom plate 1, a square groove 11 is arranged on the hole wall of a bottom hole 19 of the step through hole 9, a positioning shaft 2 is arranged in the step through hole 9, a positioning shaft threaded hole 12 is arranged at the center of the bottom surface of the positioning shaft 2, two straight pins 10 are fixedly arranged on the outer surface of the positioning shaft 2, the straight pins 10 move in the square groove 11, a supporting plate 14 is fixedly connected to the back surface of the bottom plate 1, a bearing 15 is arranged at the center of the supporting plate 14, a screw 13 is arranged in the bearing 15, the upper end of the screw 13 is connected with the positioning shaft threaded hole 12, a bevel gear 16 is arranged at the lower end of the screw 13, a supporting block 18 is fixedly arranged on one side of the supporting plate 14, both sides of step through-hole 9 all are equipped with clamp plate screw hole 8, connect in the clamp plate screw hole 8 and are equipped with clamp plate 5, and one side of one of them clamp plate screw hole 8 is equipped with locating pin 4, and swinging boom machined part 3 carries out quick location through the step of step through-hole 9, utilizes clamp plate 5 to fix after 4 assistance-localization real-times through locating pin and compresses tightly.
As shown in figures 1-3, in the tool for machining the shaft hole of the underwater aeration rotating arm, a screw 13 is in interference fit with a bearing 15, and the bottom of the screw 13 is connected with a bevel gear 16 through a key; the positioning shaft 2 and the step through hole 9 form clearance fit, and the height of the positioning shaft 2 is smaller than the thickness of the bottom plate 1; the depth of the positioning shaft threaded hole 12 is not less than 1/2 of the height of the positioning shaft 2, and the length of the screw 13 is greater than the depth of the positioning shaft threaded hole 12; the straight pin 10 is spirally connected with the surface of the positioning shaft 2, and the two straight pins 10 are arranged in an angle of 180 degrees.
As shown in fig. 1-3, the tool for processing the shaft hole of the underwater aeration rotating arm has the following use principle: firstly, fastening a bottom plate 1 with supporting columns 20 arranged in an array on a machine tool workbench, shaking a hand wheel 7 to enable a positioning shaft 2 to ascend, determining the origin of a processing coordinate system by utilizing an excircle dial indicator to align the positioning shaft 2, sleeving a shaft hole with processing allowance in the middle of a rotating arm workpiece 3 on the positioning shaft 2, enabling one arm of the rotating arm to be close to a positioning pin 4, fixing the rotating arm workpiece 3 by utilizing a pressing plate 5, and then reversely shaking the hand wheel 7 to enable the positioning shaft 2 to descend below the large surface of the bottom plate 1, so that the processing of the shaft hole of the rotating arm can be processed and formed in one working step, after one rotating arm is processed, loosening the pressing plate 5 to take down the rotating arm, directly placing the next rotating arm, and directly processing after being fixed by the pressing; this frock novel in design, convenient to use have greatly improved the efficiency of processing.
Claims (5)
1. A tool for machining an axle hole of an underwater aeration rotating arm comprises a bottom plate (1) and a supporting cylinder (20) arranged on the bottom surface of the bottom plate (1); the method is characterized in that: a step through hole (9) is arranged at the center of the bottom plate (1), a square groove (11) is arranged on the hole wall of a bottom hole (19) of the step through hole (9), a positioning shaft (2) is arranged in the step through hole (9), a positioning shaft threaded hole (12) is arranged at the center of the bottom surface of the positioning shaft (2), two straight pins (10) are fixedly arranged on the outer surface of the positioning shaft (2), the straight pins (10) move in the square groove (11), a supporting plate (14) is fixedly connected to the back surface of the bottom plate (1), a bearing (15) is arranged at the center of the supporting plate (14), a screw rod (13) is arranged in the bearing (15), the upper end of the screw rod (13) is connected with the positioning shaft threaded hole (12), a bevel gear (16) is connected to the lower end of the screw rod (13), a supporting block (18) is fixedly arranged on one side of the supporting plate (, the novel polishing device is characterized in that a rotatable polished rod (17) is arranged in the supporting block (18), a hand wheel (7) is connected and arranged at one end of the polished rod (17), the other end of the polished rod (17) is in transmission connection with a screw rod (13) through a bevel gear (16), press plate threaded holes (8) are formed in the two sides of the step through hole (9), a press plate (5) is connected and arranged in the press plate threaded holes (8), a positioning pin (4) is arranged on one side of one of the press plate threaded holes (8), a rotating arm machined part (3) is rapidly positioned through a step of the step through hole (9), and the pressing plate (5) is utilized to be fixed and compressed.
2. The tool for machining the shaft hole of the underwater aeration rotating arm according to claim 1, characterized in that: the screw (13) and the bearing (15) form interference fit, and the bottom of the screw (13) is connected with the bevel gear (16) through a key.
3. The tool for machining the shaft hole of the underwater aeration rotating arm according to claim 1, characterized in that: the positioning shaft (2) and the step through hole (9) form clearance fit, and the height of the positioning shaft (2) is smaller than the thickness of the bottom plate (1).
4. The tool for machining the shaft hole of the underwater aeration rotating arm according to claim 1, characterized in that: the depth of the positioning shaft threaded hole (12) is not less than 1/2 of the height of the positioning shaft (2), and the length of the screw rod (13) is greater than the depth of the positioning shaft threaded hole (12).
5. The tool for machining the shaft hole of the underwater aeration rotating arm according to claim 1, characterized in that: the straight pins (10) are spirally connected with the surface of the positioning shaft (2), and the two straight pins (10) are arranged in an angle of 180 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921464371.XU CN210435770U (en) | 2019-09-04 | 2019-09-04 | Tool for machining shaft hole of underwater aeration rotating arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921464371.XU CN210435770U (en) | 2019-09-04 | 2019-09-04 | Tool for machining shaft hole of underwater aeration rotating arm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210435770U true CN210435770U (en) | 2020-05-01 |
Family
ID=70410475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921464371.XU Active CN210435770U (en) | 2019-09-04 | 2019-09-04 | Tool for machining shaft hole of underwater aeration rotating arm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210435770U (en) |
-
2019
- 2019-09-04 CN CN201921464371.XU patent/CN210435770U/en active Active
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