CN210702723U - Stepped drill bit capable of being combined for use - Google Patents
Stepped drill bit capable of being combined for use Download PDFInfo
- Publication number
- CN210702723U CN210702723U CN201921558639.6U CN201921558639U CN210702723U CN 210702723 U CN210702723 U CN 210702723U CN 201921558639 U CN201921558639 U CN 201921558639U CN 210702723 U CN210702723 U CN 210702723U
- Authority
- CN
- China
- Prior art keywords
- drill bit
- column
- fixedly connected
- groove
- connecting column
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Earth Drilling (AREA)
Abstract
The utility model discloses a but step drill bit of combined use relates to the ladder and bores technical field, including step drill bit and trompil drill bit, the conveyer trough has been seted up to step drill bit's surface, and step drill bit's last fixed surface is connected with first hexagonal card silk. The utility model relates to a rational in infrastructure, it can be through running through first six arris card silks in proper order with the trompil drill bit, constant head tank and through-hole, press the locating plate simultaneously, make the locating plate can get into the inside of constant head tank smoothly, promote the trompil drill bit, make the six arris card silk joints of second in the inside of first six arris card silks, guarantee that the trompil drill bit can rotate with the ladder drill bit is synchronous, utilize the recess, the spacing groove, the cooperation setting of expanding spring and fixed column, make the locating plate contact with the inside wall of constant head tank, improve the synchronous pivoted stability of trompil drill bit and ladder drill bit, through the above-mentioned scheme, when guaranteeing to utilize the reaming drill bit to improve.
Description
Technical Field
The utility model relates to a ladder bores technical field, specifically is a ladder drill bit that can make up and use.
Background
The stepped drill is also called a stepped drill or a pagoda drill, and is mainly used for drilling and processing thin steel plates within 3mm, one drill can replace a plurality of drills to be used, holes with different diameters can be processed according to needs, large holes can be processed at one time, the drill does not need to be replaced, positioning holes do not need to be drilled, and the stepped drill can be divided into three types, namely a straight groove, a spiral groove and an arc groove according to the groove shape of a product.
Although the ladder bores can realize the processing to different diameter holes, the ladder bores and bores the relative ratio with the trompil, and the ladder bores the degree of accuracy of location to the trompil lower, in order to guarantee the precision of trompil, generally need utilize the trompil to bore and carry out preliminary location to the hole, then recycles the ladder and creeps into the reaming, very big influence the speed of trompil, for this reason, we propose a kind of ladder drill bit that can make up the use and solve above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
One) technical problem to be solved
The utility model aims at providing a combined ladder drill bit in order to make up the deficiency of the prior art.
II) technical scheme
In order to achieve the above object, the utility model provides a following technical scheme: a stepped drill bit capable of being combined for use comprises a stepped drill bit and a hole opening drill bit, wherein a conveying groove is formed in the outer surface of the stepped drill bit, a first hexagonal clamping wire is fixedly connected to the upper surface of the stepped drill bit, a positioning groove is formed in the upper surface of the stepped drill bit and communicated with the first hexagonal clamping wire, and a through hole is formed in the inner bottom wall of the positioning groove;
the top end of the hole drilling bit is fixedly connected with a reinforcing column, the upper surface of the reinforcing column is fixedly connected with a connecting column, the upper surface of the reinforcing column is fixedly connected with a second hexagonal clamping wire, the outer surface of the connecting column is fixedly connected with four groups of symmetrical fixed blocks, the side surface of each fixed block, which is far away from the connecting column, is provided with a groove, the inside of each groove is sleeved with a fixed column, four positioning plates are arranged outside the connecting column, each positioning plate corresponds to each group of fixing blocks, one end of each fixing column, which is far away from the connecting column, is fixedly connected with the outer surface of the positioning plate, one end of each fixing column, which is close to the connecting column, is provided with a limiting groove, the inner side wall of each limiting groove is fixedly connected with a telescopic spring, and one end of each telescopic spring, which is close to the connecting column, is fixedly connected with the inner side wall of the groove;
the bottom of trompil drill bit runs through first hexagonal card silk, constant head tank and through-hole in proper order and extends to the outside of through-hole, the inside at first hexagonal card silk of second hexagonal card silk joint, every a side that the spliced pole was kept away from to the locating plate all contacts with the inside wall of constant head tank.
Further, every the spout has all been seted up to the interior roof of recess and the interior diapire of recess, every the upper surface of fixed column and the equal fixedly connected with spacing post in bottom surface of fixed column, the inside of spout is again connected to the equal joint of one end that the fixed column was kept away from to every spacing post.
Furthermore, the diameter value of the through hole is equal to that of the reinforcing column, and the vertical length value of the reinforcing column is equal to that of the through hole.
Furthermore, the diameter value of the inner ring of the first hexagonal clamping wire is equal to that of the outer ring of the second hexagonal clamping wire, and the diameter value of the telescopic spring is equal to that of the limiting groove.
Furthermore, the outer surface of the connecting column is fixedly connected with a sealing plate, and the bottom surface of the sealing plate is in contact with the inner bottom wall of the positioning groove.
Further, the vertical length value of the connecting column is equal to that of the positioning groove.
Thirdly), the beneficial effects are as follows:
compared with the prior art, the step drill bit capable of being used in combination has the following beneficial effects:
one, the utility model discloses a run through first hexagonal card silk with the trompil drill bit in proper order, constant head tank and through-hole, press the locating plate simultaneously, make the locating plate can get into the inside of constant head tank smoothly, promote the trompil drill bit, extend the through-hole completely until the trompil drill bit, make the six hexagonal card silk joints of second in the inside of first hexagonal card silk, guarantee that the trompil drill bit can rotate with the ladder drill bit is synchronous, utilize the recess, the spacing groove, the cooperation setting of expanding spring and fixed column, make the locating plate contact with the inside wall of constant head tank, improve the synchronous pivoted stability of trompil drill bit and ladder drill bit, through the above-mentioned scheme, when guaranteeing to utilize the reaming drill bit to improve the trompil.
Two, the utility model discloses a spacing post joint can increase the stability of fixed column when removing in the inside of spout, guarantees the stability of locating plate and the contact of constant head tank inside wall, through with the inside of the six arris card silk joints of second in the six arris card silk of first, guarantees that the trompil drill bit can rotate with the ladder drill bit is synchronous, utilizes to be provided with the closing plate, can avoid the piece to get into the inside of constant head tank.
Drawings
FIG. 1 is a schematic view of an overall stepped drill bit of the present invention;
FIG. 2 is a schematic view of the whole drilling machine of the present invention;
FIG. 3 is a sectional view of a stepped drill bit which can be used in combination with the present invention;
fig. 4 is a sectional view of the fixing block of the present invention.
In the figure: 1. a stepped drill bit; 2. a conveying trough; 3. a first hexagonal wire clamp; 4. a hole opening drill bit; 5. reinforcing columns; 6. connecting columns; 7. a second hexagonal wire clamping; 8. a fixed block; 9. fixing a column; 10. positioning a plate; 11. A sealing plate; 12. positioning a groove; 13. a through hole; 14. a groove; 15. a chute; 16. a limiting column; 17. a limiting groove; 18. a telescoping spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-4, the utility model provides a technical solution: a stepped drill bit capable of being combined for use comprises a stepped drill bit 1 and a hole opening drill bit 4, wherein a conveying groove 2 is formed in the outer surface of the stepped drill bit 1, a first hexagonal clamping screw 3 is fixedly connected to the upper surface of the stepped drill bit 1, a positioning groove 12 is formed in the upper surface of the stepped drill bit 1, the positioning groove 12 is communicated with the first hexagonal clamping screw 3, and a through hole 13 is formed in the inner bottom wall of the positioning groove 12;
the top end of the hole drilling bit 4 is fixedly connected with a reinforcing column 5, the upper surface of the reinforcing column 5 is fixedly connected with a connecting column 6, the upper surface of the reinforcing column 5 is fixedly connected with a second six-edge clamping screw 7, the outer surface of the connecting column 6 is fixedly connected with four groups of symmetrical fixing blocks 8, the side surface, away from the connecting column 6, of each fixing block 8 is provided with a groove 14, the inside of each groove 14 is sleeved with a fixing column 9, the outside of the connecting column 6 is provided with four positioning plates 10, each positioning plate 10 corresponds to each group of fixing blocks 8, one end, away from the connecting column 6, of each fixing column 9 is fixedly connected with the outer surface of each positioning plate 10, one end, close to the connecting column 6, of each fixing column 9 is provided with a limiting groove 17, the inner side wall of each limiting groove 17 is fixedly connected with a telescopic;
the bottom of trompil drill 4 runs through first hexagonal card silk 3, constant head tank 12 and through-hole 13 in proper order and extends to the outside of through-hole 13, and the joint of second hexagonal card silk 7 is in the inside of first hexagonal card silk 3, and the side that spliced pole 6 was kept away from to every locating plate 10 all contacts with the inside wall of constant head tank 12.
Further, spout 15 has all been seted up to the interior roof of every recess 14 and the interior diapire of recess 14, the equal fixedly connected with spacing post 16 of the upper surface of every fixed column 9 and the bottom surface of fixed column 9, and the equal joint of one end that fixed column 9 was kept away from to every spacing post 16 is in the inside of spout 15. Through 16 joints of spacing post in the inside of spout 15, stability when can increase fixed column 9 and remove guarantees the stability of locating plate 10 and the contact of constant head tank 12 inside wall.
Further, the diameter value of the through hole 13 is equal to the diameter value of the reinforcing column 5, and the vertical length value of the reinforcing column 5 is equal to the vertical length value of the through hole 13. The vertical length value through setting up the reinforcement post 5 equals with the vertical length value of through-hole 13, makes trompil drill bit 4 can expose completely, guarantees the trompil efficiency of trompil drill bit 4.
Further, the diameter value of the inner ring of the first hexagonal clamping wire 3 is equal to that of the outer ring of the second hexagonal clamping wire 7, and the diameter value of the expansion spring 18 is equal to that of the limiting groove 17. Through with the inside of second hexagonal card silk 7 joint at first hexagonal card silk 3, guarantee that trompil drill bit 4 can rotate with ladder drill bit 1 synchronous.
Further, the outer surface of the connecting column 6 is fixedly connected with a sealing plate 11, and the bottom surface of the sealing plate 11 is in contact with the inner bottom wall of the positioning groove 12. By providing the sealing plate 11, it is possible to prevent the debris from entering the inside of the positioning groove 12.
Further, the vertical length of the connecting column 6 is equal to the vertical length of the positioning slot 12. The vertical length value through setting up spliced pole 6 equals with the vertical length value of constant head tank 12, guarantees that trompil drill bit 4 can be with step drill bit 1 synchronous pivoted stability.
The working principle is as follows: during the combined use, with trompil drill bit 4 run through first hexagonal card silk 3 in proper order, constant head tank 12 and through-hole 13, press down locating plate 10 simultaneously, make locating plate 10 can get into the inside of constant head tank 12 smoothly, relieve locating plate 10, continue to promote trompil drill bit 4, extend through-hole 13 completely until trompil drill bit 4, make the inside of second hexagonal card silk 7 joint at first hexagonal card silk 3, guarantee that trompil drill bit 4 can rotate with step drill bit 1 is synchronous, utilize recess 14, spacing groove 17, expanding spring 18 and fixed column 9's cooperation sets up, make locating plate 10 contact with the inside wall of constant head tank 12, improve trompil drill bit 4 and step drill bit 1 synchronous pivoted stability, guarantee to utilize trompil drill bit 4 when step drill bit 1 is underreamed, the efficiency of trompil is improved.
It should be noted that, in this document, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "fixedly," "mounted," "connected," and "connected" are to be construed broadly, e.g., "mounted" may be fixedly connected, or detachably connected, or integrally connected; "connected" may be mechanically or electrically connected; "connected" may be directly connected or indirectly connected through an intermediate member, or may be internal or external to two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A stepped drill bit that can be used in combination, comprising a stepped drill bit (1) and an opening drill bit (4), characterized in that: the outer surface of the stepped drill bit (1) is provided with a conveying groove (2), the upper surface of the stepped drill bit (1) is fixedly connected with a first hexagonal clamping wire (3), the upper surface of the stepped drill bit (1) is provided with a positioning groove (12), the positioning groove (12) is communicated with the first hexagonal clamping wire (3), and the inner bottom wall of the positioning groove (12) is provided with a through hole (13);
the top end of the hole drilling drill bit (4) is fixedly connected with a reinforcing column (5), the upper surface of the reinforcing column (5) is fixedly connected with a connecting column (6), the upper surface of the reinforcing column (5) is fixedly connected with a second hexagonal clamping screw (7), the outer surface of the connecting column (6) is fixedly connected with four groups of symmetrical fixing blocks (8), the side surface, away from the connecting column (6), of each fixing block (8) is provided with a groove (14), a fixing column (9) is sleeved inside each groove (14), the outer part of the connecting column (6) is provided with four positioning plates (10), each positioning plate (10) corresponds to each group of fixing blocks (8), one end, away from the connecting column (6), of each fixing column (9) is fixedly connected with the outer surface of each positioning plate (10), one end, close to the connecting column (6), of each fixing column (9) is provided with a limiting groove (17), the inner side wall of each limiting groove (17) is fixedly connected with a telescopic spring (18), and one end, close to the connecting column (6), of each telescopic spring (18) is fixedly connected with the inner side wall of the groove (14);
the bottom of trompil drill bit (4) runs through first hexagonal card silk (3), constant head tank (12) and through-hole (13) in proper order and extends to the outside of through-hole (13), second hexagonal card silk (7) joint is in the inside of first hexagonal card silk (3), every a side that spliced pole (6) were kept away from in locating plate (10) all contacts with the inside wall of constant head tank (12).
2. A step drill bit usable in combination according to claim 1, wherein: every spout (15) have all been seted up to the interior roof of recess (14) and the interior diapire of recess (14), every the upper surface of fixed column (9) and the equal fixedly connected with spacing post (16) of bottom surface of fixed column (9), the equal joint in the inside of spout (15) of one end that fixed column (9) were kept away from in every spacing post (16).
3. A step drill bit usable in combination according to claim 1, wherein: the diameter value of the through hole (13) is equal to that of the reinforcing column (5), and the vertical length value of the reinforcing column (5) is equal to that of the through hole (13).
4. A step drill bit usable in combination according to claim 1, wherein: the diameter value of the inner ring of the first hexagonal clamping wire (3) is equal to that of the outer ring of the second hexagonal clamping wire (7), and the diameter value of the telescopic spring (18) is equal to that of the limiting groove (17).
5. A step drill bit usable in combination according to claim 1, wherein: the outer surface of the connecting column (6) is fixedly connected with a sealing plate (11), and the bottom surface of the sealing plate (11) is in contact with the inner bottom wall of the positioning groove (12).
6. A step drill bit usable in combination according to claim 1, wherein: the vertical length value of the connecting column (6) is equal to that of the positioning groove (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921558639.6U CN210702723U (en) | 2019-09-19 | 2019-09-19 | Stepped drill bit capable of being combined for use |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921558639.6U CN210702723U (en) | 2019-09-19 | 2019-09-19 | Stepped drill bit capable of being combined for use |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210702723U true CN210702723U (en) | 2020-06-09 |
Family
ID=70963152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921558639.6U Expired - Fee Related CN210702723U (en) | 2019-09-19 | 2019-09-19 | Stepped drill bit capable of being combined for use |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210702723U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116441600A (en) * | 2023-06-15 | 2023-07-18 | 中北大学 | Combined layered square hole drill bit |
-
2019
- 2019-09-19 CN CN201921558639.6U patent/CN210702723U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116441600A (en) * | 2023-06-15 | 2023-07-18 | 中北大学 | Combined layered square hole drill bit |
| CN116441600B (en) * | 2023-06-15 | 2023-09-12 | 中北大学 | Combined layered square hole drill bit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210702723U (en) | Stepped drill bit capable of being combined for use | |
| CN205587709U (en) | Drilling machine of hydraulic prop column cap | |
| CN108213624B (en) | A kind of tool and method of electric-spark drilling and reaming Compound Machining elongated hole | |
| CN102039436B (en) | Pin shaft part drilling device and drilling method | |
| CN210937252U (en) | Drilling equipment is used in processing of robot spare part | |
| CN201519778U (en) | Drilling device for pin shaft parts | |
| CN209887702U (en) | High-speed drill bit structure of circuit board drill bit | |
| CN205254171U (en) | Fastening type tubular metal resonator drilling machine | |
| CN210210928U (en) | Graphite heat exchanger block hole perforating device | |
| CN214920689U (en) | Inclined hole drilling device for flange | |
| CN210475642U (en) | Special vertical positioning and fixing drill jig for bottom plate of manual pipe bending machine | |
| CN203945121U (en) | A kind of for processing the composite molding brill of the reverse chamfering of aluminium class part | |
| CN212577598U (en) | High stable connection formula milling cutter convenient to chip removal | |
| CN206286855U (en) | Pump shell boring grab | |
| CN214817870U (en) | Universal height positioning and fixing device | |
| CN217799166U (en) | Cutter for reaming wind power equipment | |
| CN209190303U (en) | It is a kind of for processing the adapter clamping device of flexible gyroscope adapter wire hole | |
| CN215199352U (en) | Forming machine for bottom template of steel bar truss | |
| CN211866679U (en) | Terminal box flange punching die | |
| CN211387048U (en) | Straight flute step bores | |
| CN217493399U (en) | Quick clamping cutter | |
| CN208342236U (en) | Sliding vertical drill processing tool | |
| CN216325367U (en) | Special hollow drill bit of metal sampler | |
| CN218168792U (en) | Pump head punches and uses anchor clamps | |
| CN213496734U (en) | Combined drill bit with multi-stage drill bit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200609 Termination date: 20210919 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |