CN220185074U - Removable composite milling cone - Google Patents
Removable composite milling cone Download PDFInfo
- Publication number
- CN220185074U CN220185074U CN202321546840.9U CN202321546840U CN220185074U CN 220185074 U CN220185074 U CN 220185074U CN 202321546840 U CN202321546840 U CN 202321546840U CN 220185074 U CN220185074 U CN 220185074U
- Authority
- CN
- China
- Prior art keywords
- milling cone
- connector
- wall
- fastening screw
- milling
- 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.)
- Active
Links
- 238000003801 milling Methods 0.000 title claims abstract description 66
- 239000002131 composite material Substances 0.000 title claims abstract description 14
- 230000001681 protective effect Effects 0.000 claims abstract description 20
- 238000007789 sealing Methods 0.000 claims abstract description 8
- 238000001125 extrusion Methods 0.000 claims description 14
- 239000000956 alloy Substances 0.000 claims description 5
- 229910045601 alloy Inorganic materials 0.000 claims description 5
- 230000008859 change Effects 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The utility model discloses a detachable and replaceable composite milling cone, which comprises a milling cone drill bit and a milling cone protective shell, wherein the bottom end of the milling cone protective shell is provided with a connector, and the milling cone drill bit is arranged in the connector; the side wall of the connector is provided with a fastening screw hole, and the outer wall of the milling cone drill bit is provided with a fastening screw groove corresponding to the position of the fastening screw hole; the fastening screw hole and the fastening screw groove are internally and spirally connected with a bolt main body; the upper end of the connector is provided with a balancing weight, and the outer wall of the balancing weight is attached to the inner wall of the milling cone protective shell; the lower end of the bolt main body is provided with a circular groove, the middle section of the lower end of the circular groove is provided with a bolt rod, and the outside of the bolt rod is sleeved with a sealing component; this removable composite milling cone that trades has improved the stability of drill bit and connector greatly to through joint subassembly with connector and milling cone protective housing fastening connection, improved the fastness greatly, not only conveniently change damaged part, prolonged life moreover.
Description
Technical Field
The utility model relates to the technical field of milling cones, in particular to a detachable and replaceable composite milling cone.
Background
The milling cone is a common milling and expanding repair tool, and the milling cone milling body mainly consists of YD hard alloy wear-resistant materials, is connected to the lower end of a drill string during operation, and performs expanding milling on a fish milling part (deformation and dislocation part of the sleeve) in the sleeve;
the detachable milling cone in the prior art is detachable and is favorable for replacement, but is not stable enough in connection and easy to fall off after long-time work, so that the prior art needs to be improved.
Disclosure of Invention
The utility model aims to provide a detachable and replaceable composite milling cone so as to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the detachable and replaceable combined milling cone comprises a milling cone drill bit and a milling cone protective shell, wherein a connector is arranged at the bottom end of the milling cone protective shell, and the milling cone drill bit is arranged in the connector;
the side wall of the connector is provided with a fastening screw hole, and the outer wall of the milling cone drill bit is provided with a fastening screw groove corresponding to the position of the fastening screw hole;
the fastening screw holes and the fastening screw grooves are internally and spirally connected with bolt main bodies;
the upper end of the connector is provided with a balancing weight, and the outer wall of the balancing weight is attached to the inner wall of the milling cone protective shell;
the lower end of the bolt main body is provided with a circular groove, the middle section of the lower end of the circular groove is provided with a bolt rod, and the outside of the bolt rod is sleeved with a sealing assembly;
a clamping cavity is formed in the inner wall of the milling cone protective shell, and an extrusion assembly is arranged in the clamping cavity;
the fixture block is installed to the tip of extrusion subassembly, the draw-in groove has been seted up to the outer wall of balancing weight, the fixture block joint is in the draw-in groove.
Preferably, the sealing assembly comprises a fixed ring sleeved outside the bolt rod, and the circumferential surface of the bolt rod is sleeved with an annular pressing sheet, a spring and an annular rubber sheet.
Preferably, the extrusion piece is installed at the lower extreme edge of annular preforming, cross groove has been seted up on the top of bolt main part, the anti-skidding line has been seted up to the inner wall of cross groove.
Preferably, the extrusion assembly comprises an outer plate body, a middle plate body and an inner plate body, four corners of the outer plate body and four corners of the middle plate body are hinged to each other, and four corners of the other side face of the middle plate body are hinged to telescopic rods.
Preferably, the other ends of the four telescopic rods are hinged to four corners of one side face of the inner plate body.
Preferably, the connector is located the top threaded connection of balancing weight and has the tool post, the middle part of tool post is equipped with the holder, the periphery that the tool post is located the holder downside is connected with the one-level spiral, the periphery that the tool post is located the holder upside is connected with the second grade spiral.
Preferably, the outer wall of the milling cone drill bit is provided with a hard alloy belt.
Compared with the prior art, the utility model has the beneficial effects that: this removable composite milling cone that trades, simple structure, convenient operation mills awl drill bit and connector at first through threaded connection, the rethread bolt main part is with further fixed connection of both, has improved the stability of drill bit and connector greatly to through joint subassembly with connector and milling awl protecting crust fastening connection, improved the fastness greatly, not only conveniently change damage part, prolonged life moreover.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of a bolt body according to the present utility model;
FIG. 3 is a schematic view of a press assembly of the present utility model;
fig. 4 is a schematic diagram of a portion a of the present utility model.
In the figure: the milling cutter comprises a milling cone drill bit 1, a milling cone protective shell 2, a cutter column 3, a secondary screw 4, a retainer 5, a primary screw 6, a balancing weight 7, a connector 8, a bolt main body 9, a hard alloy belt 10, a fastening screw groove 11, a fastening screw hole 13, a clamping groove 14, a clamping block 15, a 16 adapting mechanism and a clamping cavity 17.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 to 4, the present utility model provides a technical solution: the detachable and replaceable combined milling cone comprises a milling cone drill bit 1 and a milling cone protective shell 2, wherein a connector 12 is assembled at the bottom end of the milling cone protective shell 2, the milling cone drill bit 1 is assembled in the connector 12, external threads are formed on the outer wall of the milling cone drill bit 1, internal threads are formed on the inner wall of the connector 12, and the connector 12 is installed in the milling cone drill bit 1 in a threaded connection mode;
the side wall of the connector 12 is provided with a fastening screw hole 13, the outer wall of the milling bit 1 is provided with a fastening screw groove 11 corresponding to the fastening screw hole 13, and after the milling bit 1 is installed in the connector 12, the fastening screw hole 13 corresponds to the fastening screw groove 11;
the bolt main body 9 is screwed in the fastening screw hole 13 and the fastening screw groove 11, so that the connection and the reinforcement are carried out through the bolt main body 9;
the upper end of the connector 12 is provided with a balancing weight 7, and the outer wall of the balancing weight 7 is attached to the inner wall of the milling cone protective shell 2;
the lower end of the bolt main body 9 is provided with a circular groove 93, a bolt rod 91 is installed in the middle section of the lower end of the circular groove 93, and a sealing assembly is sleeved outside the bolt rod 91;
a clamping cavity 17 is formed in the inner wall of the milling cone protective shell 2, and an extrusion assembly 16 is arranged in the clamping cavity 17;
the fixture block 15 is installed to the tip of extrusion subassembly 16, and draw-in groove 14 has been seted up to the outer wall of balancing weight 7, and fixture block 15 joint is in draw-in groove 14, goes out in the draw-in groove 14 through fixture block 15 card to with balancing weight 7 and milling cone protective housing 2 fastening connection.
The sealing assembly comprises a fixed ring 96 sleeved outside a bolt rod 91, an annular pressing sheet 94, a spring 97 and an annular rubber sheet 92 are sleeved on the circumferential surface of the bolt rod 91, the annular pressing sheet 94 is positioned on the upper side of the fixed ring 96, the spring 97 is positioned on the upper side of the annular pressing sheet 94, and the annular rubber sheet 92 is positioned on the lower side of the fixed ring 96;
in the process of fastening, the annular rubber sheet 92 slides upwards due to the action of the fastening screw holes, and as the annular rubber sheet 92 is further screwed, the annular rubber sheet 92 is contacted with the fixing ring 96, the annular rubber sheet 92 is deformed due to the action of the fixing ring 96 to seal the fastening screw holes, the spring 97 is positioned on the upper side of the annular pressing sheet 94, the annular pressing sheet 94 is downwards extruded due to the action of the spring 97, and the extrusion block is downwards extruded due to the action of the annular pressing sheet 94, so that the extrusion block further extrudes the edge of the annular rubber sheet 92, and the sealing effect is improved.
The lower end edge of the annular pressing piece 94 is provided with a pressing piece 95, the top end of the bolt main body 9 is provided with a cross groove 18, and the inner wall of the cross groove 18 is provided with anti-skid patterns 19.
The extrusion assembly 16 comprises an outer plate body 164, a middle plate body 163 and an inner plate body 161, four corners of the outer plate body 164 and the middle plate body 163 are hinged to each other, and telescopic rods 162 are hinged to four corners of the other side surface of the middle plate body 163.
The other ends of the four telescopic rods 162 are hinged to four corners of one side surface of the inner plate body 161.
The connector 12 is located the top threaded connection of balancing weight 7 and has knife post 3, and the middle part of knife post 3 is equipped with holder 5, and the periphery that knife post 3 is located the holder 5 downside is connected with one-level spiral 6, and the periphery that knife post 3 is located the holder 5 upside is connected with second grade spiral 4.
The outer wall of the milling cone drill bit 1 is provided with a hard alloy belt 10.
Working process and principle: when in use, the milling cone drill bit is firstly installed in the connector 12, then the milling cone drill bit is fixed through the bolt main body 9, the connector 12 is installed in the milling cone protective shell 2, when the milling cone protective shell is screwed on the connector 12, the connector 12 extrudes the clamping block 15, the clamping block 15 is contracted into the clamping cavity 17, and when the clamping block 15 reaches the clamping groove 14, the clamping block rebounds into the clamping groove 14 under the action of the extrusion component 16, so that the fastening protection is performed.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a removable composite milling cone, includes milling cone drill bit (1) and mills awl protective housing (2), its characterized in that: the bottom end of the milling cone protective shell (2) is provided with a connector (12), and the milling cone drill bit (1) is assembled in the connector (12);
the side wall of the connector (12) is provided with a fastening screw hole (13), and the outer wall of the milling and boring head (1) is provided with a fastening screw groove (11) corresponding to the fastening screw hole (13);
the fastening screw hole (13) and the fastening screw groove (11) are internally and spirally connected with a bolt main body (9);
the upper end of the connector (12) is provided with a balancing weight (7), and the outer wall of the balancing weight (7) is attached to the inner wall of the milling cone protective shell (2);
a circular groove (93) is formed in the lower end of the bolt main body (9), a bolt rod (91) is installed in the middle section of the lower end of the circular groove (93), and a sealing assembly is sleeved outside the bolt rod (91);
a clamping cavity (17) is formed in the inner wall of the milling cone protective shell (2), and an extrusion assembly (16) is arranged in the clamping cavity (17);
the end part of the extrusion assembly (16) is provided with a clamping block (15), the outer wall of the balancing weight (7) is provided with a clamping groove (14), and the clamping block (15) is clamped in the clamping groove (14).
2. The removable composite milling cone of claim 1, wherein: the sealing assembly comprises a fixed ring (96) sleeved outside a bolt rod (91), and an annular pressing sheet (94), a spring (97) and an annular rubber sheet (92) are sleeved on the circumferential surface of the bolt rod (91).
3. The removable composite milling cutter according to claim 2, wherein: the lower extreme edge of annular preforming (94) installs extrusion piece (95), cross groove (18) have been seted up on the top of bolt main part (9), anti-skidding line (19) have been seted up to the inner wall of cross groove (18).
4. The removable composite milling cone of claim 1, wherein: the extrusion assembly (16) comprises an outer plate body (164), a middle plate body (163) and an inner plate body (161), four corners of the outer plate body (164) and the middle plate body (163) are mutually hinged, and telescopic rods (162) are hinged to four corners of the other side face of the middle plate body (163).
5. The removable composite milling cutter of claim 4, wherein: the other ends of the four telescopic rods (162) are hinged to four corners of one side face of the inner plate body (161).
6. The removable composite milling cone of claim 1, wherein: the utility model discloses a knife pole structure, including connector (12) and cutter post (3), connector (12) are located the top threaded connection of balancing weight (7), the middle part of cutter post (3) is equipped with holder (5), the periphery that cutter post (3) are located the holder (5) downside is connected with one-level spiral (6), the periphery that cutter post (3) are located the holder (5) upside is connected with secondary spiral (4).
7. The removable composite milling cone of claim 1, wherein: the outer wall of the milling cone drill bit (1) is provided with a hard alloy belt (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321546840.9U CN220185074U (en) | 2023-06-16 | 2023-06-16 | Removable composite milling cone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321546840.9U CN220185074U (en) | 2023-06-16 | 2023-06-16 | Removable composite milling cone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220185074U true CN220185074U (en) | 2023-12-15 |
Family
ID=89106218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321546840.9U Active CN220185074U (en) | 2023-06-16 | 2023-06-16 | Removable composite milling cone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220185074U (en) |
-
2023
- 2023-06-16 CN CN202321546840.9U patent/CN220185074U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209942740U (en) | Double-layer reaming drill bit | |
| CN220185074U (en) | Removable composite milling cone | |
| CN212899299U (en) | Bolt | |
| CN210648683U (en) | High-strength wear-resistant drill bit | |
| CN219274494U (en) | Removable main shaft structure of lathe | |
| CN215632823U (en) | Opening taper barrel drill rod | |
| CN205629472U (en) | Hollow combined drill | |
| CN214290999U (en) | Alloy step drill with straight groove | |
| CN110666231B (en) | Milling cutter mechanism of numerical control finish milling equipment based on steel rail welding seam | |
| CN210587321U (en) | Micro-nano composite coating stepped drill bit | |
| CN204431515U (en) | A kind of dismountable glass bores | |
| CN210334508U (en) | High efficiency double-end milling cutter | |
| CN219114421U (en) | Straight shank glass drill with long service life | |
| CN221799694U (en) | Hydraulic annular geological drilling drill rod structure | |
| CN219188766U (en) | Improved ball end mill | |
| CN216938572U (en) | Wear-resisting type industry titanium-plated drill bit structure | |
| CN217433144U (en) | Carbide drill bit of interchangeable cutting head | |
| CN215903776U (en) | Diamond thin-wall drill bit | |
| CN219901381U (en) | Drill bit tool setting gauge | |
| CN220030481U (en) | Graphite hard felt drilling tool | |
| CN220806567U (en) | Crown drill bit locating surface grinding tool | |
| CN110439469B (en) | Pneumatic pick drill | |
| CN215332718U (en) | Drill rod elevator | |
| CN210208699U (en) | Quick-change hydraulic tool shank connector | |
| CN211387048U (en) | Straight flute step bores |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |