CN215392489U - Device for inverse R-shaped arc groove at end part of pipe hole of pipe box - Google Patents
Device for inverse R-shaped arc groove at end part of pipe hole of pipe box Download PDFInfo
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- CN215392489U CN215392489U CN202121881314.9U CN202121881314U CN215392489U CN 215392489 U CN215392489 U CN 215392489U CN 202121881314 U CN202121881314 U CN 202121881314U CN 215392489 U CN215392489 U CN 215392489U
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- 230000000149 penetrating effect Effects 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims abstract 3
- 238000002360 preparation method Methods 0.000 abstract description 4
- 238000003754 machining Methods 0.000 description 6
- 238000003466 welding Methods 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
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Abstract
A device for an inverse-R arc groove at the end part of a tube hole of a tube box is characterized in that a through groove is formed in the lower part of a cutter bar, a bearing is arranged on the periphery of the lower end of the cutter bar, a screw assembly is arranged between the bearing and the cutter bar, a pair of cutter bodies are arranged in the through groove, a positioning pin is arranged between the upper ends of the pair of cutter bodies and the cutter bar, a pair of grooves are formed in the lower ends of the pair of cutter bodies, a pair of knife bins are formed between the pair of grooves and the pair of cutter bodies, a pair of blades are arranged in the pair of knife bins, and a pair of connecting pieces are arranged between the pair of blades and the pair of knife bins in a penetrating manner; can guarantee that the cutter arbor drives cutter body and blade and passes the plug hole bottom outlet of being processed the work piece and enter into and wait to process the position, set up the bearing through the lower extreme at the cutter arbor, can fix a position cutter body and blade when processing, effectually solved the less plug hole bottom outlet of difference and tube hole when carrying out tip circular arc groove, traditional cutter can't process, the cutter preparation degree of difficulty is great, the preparation is accomplished the back flatness relatively poor, the processing circular arc groove depth scheduling problem differs.
Description
Technical Field
The utility model relates to the technical field of air cooler tube bundle pipe blocking equipment, in particular to a device for an inverse R-shaped arc groove at the end part of a tube hole of a pipe box.
Background
After the air cooler tube bundle pipe plug box is welded, in the machining process of tube holes and pipe plug holes, an inverse-R arc groove at the end part of the tube hole of the pipe box is designed, and when the inverse-R arc groove at the end part of the tube hole of the pipe box is machined, a cutter is required to penetrate through a bottom hole of the pipe plug hole of a workpiece to be machined and enter a part to be machined; the pipe blocking box belongs to a welding part, the flatness is poor after the pipe blocking box is manufactured, an inverse R-shaped circular groove is machined at the end part of a pipe hole in a machining center, and the problems of different depths of the machined circular groove and the like can occur due to inaccurate positioning; therefore, how to solve the problems that the traditional cutter cannot be processed, the cutter manufacturing difficulty is high, the flatness is poor after the manufacturing is finished, the depths of processed arc grooves are different and the like when the bottom hole of the plug hole and the tube hole with small difference values are subjected to the end reverse R arc groove after the welding of the air cooler tube bundle plug tube box is finished, and the technical problem which is difficult to solve for a long time is solved.
In view of the above, a device for chamfering the end of the pipe hole of the pipe box with an inverted R-shaped circular arc has been developed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art, and provides a device for chamfering an R-shaped arc groove at the end part of a tube hole of a tube box.
In order to achieve the purpose, the utility model adopts the following technical scheme: a device for an inverse R-shaped arc groove at the end part of a pipe hole of a pipe box comprises: the cutter comprises a cutter bar, a through groove, a bearing, a cutter body, a positioning pin, a cutter bin, a blade, a gasket, an inner hexagonal socket head cap screw and an inner hexagonal countersunk head screw; the lower part of the round bar-shaped cutter bar penetrates through the axial lead of the cutter bar and is provided with a horizontal through groove, the periphery of the lower end of the cutter bar is provided with a bearing, a screw component is arranged between the bearing and the cutter bar, a pair of cutter bodies are symmetrically arranged at the upper part in the through groove, a positioning pin is arranged between the upper ends of the cutter bodies and the cutter bar in a penetrating way, a pair of circular grooves are arranged at the middle parts of the lower ends of the cutter bodies, a pair of cutter bins are formed between the grooves and the cutter bodies, a pair of circular blades are arranged in the cutter bins, the outer edges of the blades are positioned at the outer parts of the lower ends of the cutter bodies, a pair of connecting pieces is arranged between the blades and the cutter bins in a penetrating way, the length of a pair of cutter bodies all be greater than the height that leads to the groove, the upper end of a pair of cutter bodies is passed through the locating pin and is connected with the cutter arbor rotation, the lower extreme of a pair of cutter body sees through the opening that leads to the groove both sides, a pair of cutter body drives a pair of blade and uses the locating pin to do the pitch arc motion in leading to the groove as the axle center.
The structure of the screw component is as follows: the center of the lower end face of the cutter bar is vertically provided with a threaded blind hole, the center of the lower end face of the bearing is provided with a circular gasket, and the center of the gasket penetrating through the threaded blind hole and the center of the bearing are in threaded connection with an inner hexagonal socket head cap screw.
The connecting piece adopts an inner hexagonal countersunk head screw.
The upper ends of the pair of cutter bodies are both arc-shaped, and the middle parts of the lower ends of the pair of cutter bodies are outwards protruded.
The working principle is as follows: when in use: starting and operating the radial drilling machine, driving a cutter bar to rotate by a taper shank, driving a cutter body and a blade to pass through a bottom hole of a plug hole and approach to a part to be machined of a workpiece, driving the cutter body to horizontally rotate by taking the cutter bar as an axis through a positioning pin by the cutter bar, driving the cutter body to upwards rotate by taking the positioning pin as an axis when the cutter body is contacted with the part to be machined, contacting the workpiece by the blade after a pair of cutter bodies form a horizontal straight line, driving the cutter body to horizontally rotate by taking the cutter bar as the axis through the positioning pin by the cutter bar, starting a cutting process, and finishing the machining operation of an inverted R arc groove at the end part of a pipe hole; after cutting is completed, the cutter body moves upwards, the cutter body contracts towards the inside of the cutter rod, and the cutter rod drives the cutter body and the blade to penetrate through the bottom hole of the plug hole and move to the outside of the workpiece.
The utility model has the beneficial effects that: the cutter body is arranged in the through groove in a rotating mode, when machining is carried out, the cutter rod can be ensured to drive the cutter body and the blade to penetrate through the bottom hole of the wire plugging hole of the workpiece to be machined and enter the part to be machined, when machining is finished, the cutter rod can be ensured to drive the cutter body and the blade to penetrate through the bottom hole of the wire plugging hole of the workpiece to be machined and leave the part to be machined, the cutter body and the blade can be positioned when machining is carried out by arranging the bearing at the lower end of the cutter rod, the cutter rod is ensured to rotate on the axis line of the bottom hole of the wire plugging hole and the axis line of the pipe hole of the workpiece to be machined all the time, and the problems that the cutter body and the blade are deviated to cause poor planeness, different depths of machined arc grooves and the like when machining is carried out are prevented; the air cooler tube bank plug pipe case welding of effectual having solved is accomplished the back, the less plug hole bottom hole of difference and tube hole are when carrying out tip inverse R circular arc groove, traditional cutter can't be processed, the cutter preparation degree of difficulty is great, the preparation is accomplished the back flatness relatively poor, the scheduling problem that the processing circular arc groove depth differs, time saving and labor saving, can increase substantially production efficiency, guarantee the groove quality, the groove size requirement before the welding has been ensured effectively, be fit for the tube hole tip inverse R circular arc groove of various sizes, and is suitable for popularization and application.
Drawings
The utility model will be further described with reference to the accompanying drawings in which:
FIG. 1 is a schematic view of the appearance structure of the final assembly of the present invention;
FIG. 2 is a schematic cross-sectional structural view of the present invention;
FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2;
in the figure: the cutter comprises a cutter bar 1, a through groove 2, a bearing 3, a cutter body 4, a positioning pin 5, a cutter bin 6, a blade 7, a gasket 8, an inner hexagonal socket head cap screw 9 and an inner hexagonal countersunk head screw 10.
Detailed Description
The utility model will be described in further detail with reference to the following detailed description and accompanying drawings:
the lower part of a round bar-shaped cutter bar 1 penetrates through the axial lead of the cutter bar 1 and is provided with a horizontal through groove 2, the periphery of the lower end of the cutter bar 1 is provided with a bearing 3, a screw assembly is arranged between the bearing 3 and the cutter bar 1, the upper part in the through groove 2 is symmetrically provided with a pair of cutter bodies 4, a positioning pin 5 is arranged between the upper ends of the pair of cutter bodies 4 and the cutter bar 1 and penetrates through the cutter bar 1, the middle parts of the lower ends of the pair of cutter bodies 4 are provided with a pair of circular grooves, a pair of cutter bins 6 are formed between the pair of grooves and the pair of cutter bodies 4, a pair of disc-shaped blades 7 are arranged in the pair of cutter bins 6, the outer edges of the pair of blades 7 are positioned outside the lower ends of the pair of cutter bodies 4, a pair of connecting pieces are arranged between the pair of blades 7 and the pair of cutter bins 6 and penetrates through the pair of blades 7, the length of cutter bodies 4 is larger than the height of the through groove 2, and the upper ends of the pair of cutter bodies 4 are rotatably connected with the cutter bar 1 through the positioning pin 5, the lower extreme of a pair of cutter body 4 sees through the opening that leads to groove 2 both sides, and a pair of cutter body 4 drives a pair of blade 7 and uses locating pin 5 to do the pitch arc motion in leading to groove 2 as the axle center.
The structure of the screw component is as follows: the center of the lower end face of the cutter bar 1 is vertically provided with a threaded blind hole, the center of the lower end face of the bearing 3 is provided with a circular gasket 8, and the center of the gasket 8 and the center of the bearing 3 penetrate through the threaded blind hole and are in threaded connection with an inner hexagonal socket head cap screw 9.
The connecting piece adopts an inner hexagonal countersunk head screw 10.
The upper ends of the pair of cutter bodies 4 are both arc-shaped, and the middle parts of the lower ends of the pair of cutter bodies 4 are outwards protruded.
Claims (4)
1. A device for an inverse R-shaped arc groove at the end part of a pipe hole of a pipe box comprises: the cutter comprises a cutter bar (1), a through groove (2), a bearing (3), a cutter body (4), a positioning pin (5), a cutter bin (6), a blade (7), a gasket (8), an inner hexagonal socket head cap screw (9) and an inner hexagonal countersunk head screw (10); the method is characterized in that: the lower part of a round bar-shaped cutter bar (1) penetrates through the axial lead of the cutter bar (1) and is provided with a horizontal through groove (2), the periphery of the lower end of the cutter bar (1) is provided with a bearing (3), a screw component is arranged between the bearing (3) and the cutter bar (1), a pair of cutter bodies (4) are symmetrically arranged at the upper part in the through groove (2), a positioning pin (5) is arranged between the upper ends of the pair of cutter bodies (4) and the cutter bar (1) in a manner of penetrating through the cutter bar (1), the middle part of the lower end of the pair of cutter bodies (4) is provided with a pair of circular grooves, a pair of cutter bins (6) are formed between the pair of grooves and the pair of cutter bodies (4), a pair of circular blades (7) are arranged in the pair of cutter bins (6), the outer edges of the pair of blades (7) are positioned outside the lower ends of the pair of cutter bodies (4), and a pair of connecting pieces are arranged between the pair of blades (7) and the pair of cutter bins (6) in a manner of penetrating through the pair of blades (7), the length of a pair of cutter body (4) all be greater than the height that leads to groove (2), the upper end of a pair of cutter body (4) is passed through locating pin (5) and is connected with cutter arbor (1) rotation, the lower extreme of a pair of cutter body (4) sees through the opening that leads to groove (2) both sides, a pair of cutter body (4) drive a pair of blade (7) and use locating pin (5) to do the pitch arc motion in leading to groove (2) as the axle center.
2. The device for the inverse-R-shaped arc groove of the end part of the pipe hole of the pipe box according to claim 1, wherein: the structure of the screw component is as follows: the center of the lower end face of the cutter bar (1) is vertically provided with a threaded blind hole, the center of the lower end face of the bearing (3) is provided with a circular gasket (8), and the center of the gasket (8) and the center of the bearing (3) penetrate through the threaded blind hole and are in threaded connection with an inner hexagonal socket head cap screw (9).
3. The device for the inverse-R-shaped arc groove of the end part of the pipe hole of the pipe box according to claim 1, wherein: the connecting piece adopts an inner hexagonal countersunk head screw (10).
4. The device for the inverse-R-shaped arc groove of the end part of the pipe hole of the pipe box according to claim 1, wherein: the upper ends of the pair of cutter bodies (4) are both arc-shaped, and the middle parts of the lower ends of the pair of cutter bodies (4) are outwards protruded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121881314.9U CN215392489U (en) | 2021-08-12 | 2021-08-12 | Device for inverse R-shaped arc groove at end part of pipe hole of pipe box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121881314.9U CN215392489U (en) | 2021-08-12 | 2021-08-12 | Device for inverse R-shaped arc groove at end part of pipe hole of pipe box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215392489U true CN215392489U (en) | 2022-01-04 |
Family
ID=79662625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121881314.9U Active CN215392489U (en) | 2021-08-12 | 2021-08-12 | Device for inverse R-shaped arc groove at end part of pipe hole of pipe box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215392489U (en) |
-
2021
- 2021-08-12 CN CN202121881314.9U patent/CN215392489U/en active Active
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