CN218341072U - Stepped drill convenient for dismounting drill bit - Google Patents
Stepped drill convenient for dismounting drill bit Download PDFInfo
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- CN218341072U CN218341072U CN202222923232.7U CN202222923232U CN218341072U CN 218341072 U CN218341072 U CN 218341072U CN 202222923232 U CN202222923232 U CN 202222923232U CN 218341072 U CN218341072 U CN 218341072U
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Abstract
The utility model provides a step drill convenient for dismounting a drill bit, which belongs to the technical field of step drills and comprises a fixed cylinder; the mounting groove is formed in the upper end of the fixed cylinder; the mounting block is movably clamped in the mounting groove; two fixing grooves are formed in the circumferential surface of the mounting block respectively; fixing mechanism, fixing mechanism are equipped with two sets ofly, and two sets of fixing mechanism all include slide bar groove, spring groove, slide bar, fixed block, reset spring, and reset spring is equipped with two, and the slide bar groove is seted up in the circumferential surface of fixed section of thick bamboo, and the drill bit that can update through this device replaces the damage drill bit, or changes the drilling efficiency that the drill bit of different models improves at any time according to actual demand.
Description
Technical Field
The utility model belongs to the technical field of the ladder bores, concretely relates to ladder bores convenient to dismouting drill bit.
Background
The step drill can be divided into a straight groove, a spiral groove and an arc groove according to the groove shape of a product; the drill can be divided into single-edge, double-edge, three-edge, four-edge and multi-edge step drills according to the number of edges of the product; the step drill is normally in national standard, most of the step drill is in daily industrial use and is customized to be non-standard, and the step drill can be produced by drawing provided by a manufacturer for producing the step drill.
Grant publication number "CN210818547U" a clamping auxiliary mechanism for machining a stepped drill. The device is including the connecting plate of vertical setting, and the interval of improving level is equipped with two supporting rollers on the connecting plate of orientation pending processing ladder brill one side, the backing roller is including the taper supporting part and set up the connecting rod on taper supporting part bottom surface, connecting rod and the coaxial setting of taper supporting part, each connecting rod and the connecting plate rigid coupling of level setting leave the V type groove that holds pending processing ladder brill between two supporting rollers of syntropy setting, wait to process ladder brill side and contradict on a taper supporting part outer peripheral face, another downside is contradicted on another taper supporting part outer peripheral face, because the setting of two sets of backing rollers, make pending processing ladder brill add man-hour, the brill body side of pending processing ladder brill is contradicted, can not produce in the rotation process and rock, thereby the machining precision of ladder brill has been improved, the device is applicable to industrial production, has very strong practicality.
Above-mentioned novel machining precision that has improved the ladder and bored, the device are applicable to the industrial production, have very strong practicality, but the drill bit among the above-mentioned novelty is fixed, and when the drill bit received the drill bit of damage or changing different models according to actual demand needs when driling, the quick replacement of being not convenient for had influenced the efficiency of drilling.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a ladder bores convenient to dismouting drill bit, it is fixed to aim at solving prior art drill bit, and when the drill bit received the damage or changed the drill bit of different models according to actual demand needs when driling, the quick replacement of being not convenient for had influenced the problem of the efficiency of drilling.
In order to achieve the above purpose, the utility model provides a following technical scheme:
a step drill for facilitating the disassembly and assembly of a drill bit, comprising:
a fixed cylinder;
the mounting groove is formed in the upper end of the fixed cylinder;
the mounting block is movably clamped in the mounting groove;
the number of the fixing grooves is two, and the two fixing grooves are respectively formed in the circumferential surface of the mounting block;
fixing mechanism, fixing mechanism is equipped with two sets ofly, and is two sets of fixing mechanism all includes slide bar groove, spring groove, slide bar, fixed block, reset spring is equipped with two, the circumference surface at fixed section of thick bamboo is seted up in the slide bar groove, the circumference inner wall that the mounting groove was seted up in the spring groove just communicates with the slide bar groove mutually, slide bar sliding connection is in the slide bar inslot, the fixed block fixed plate link firmly in a side of slide bar end and with the fixed slot phase-match, two the equal fixed connection of reset spring is in a side of fixed block and one side inner wall in spring groove.
As a preferred scheme of the utility model, the lower extreme fixedly connected with installation base of solid fixed cylinder, the output fixed connection of installation base and drilling pivot.
As an optimal scheme, the upper end fixedly connected with connecting rod of installation piece, the upper end fixedly connected with stepped drill of connecting rod.
As a preferred scheme, two connecting blocks of lower extreme fixedly connected with of fixed slot, two the side of connecting block is two joint pieces of fixedly connected with respectively, two ann's slots, two have been seted up to the end inner wall of mounting groove two joint grooves, two have been seted up to the side inner wall of ann's slot the joint piece with respectively with two joint groove phase-match.
As an optimal scheme, two when the lower extreme of joint piece corresponds with the upper shed of two ann slots respectively, two the fixed slot respectively with two the skew angle degree of fixed block.
As an optimized proposal, the utility model is characterized in that one side surface of the stepped drill bit is fixedly connected with an anti-slip pad.
Compared with the prior art, the beneficial effects of the utility model are that:
1. in this scheme, through this device, to install in the piece inserts the mounting groove, the contact surface of fixed block and installation piece is the circumference form, the installation piece promotes the fixed block and slides and make two reset spring contractions to the spring inslot, when the bottom of installation piece insertion mounting groove, fixed block and fixed slot are corresponding, accomplish the fixed to the installation piece in the fixed slot with the fixed block bullet is kick-backed by the reset spring of extrusion shrink in the fixed slot in before, to accomplish the separation of fixed section of thick bamboo and installation piece in pulling the fixed block and pulling out the fixed slot to both sides pulling slide bar when needs are changed step drill when the ladder drill bit, the drill bit that can more renew when the drill bit receives the damage in drilling work replaces the damage drill bit, or change the drilling efficiency that the drill bit of different models improves at any time according to actual demand
2. In this scheme, through this device, will install the piece rotation degree and insert the joint piece joint of accomplishing installation piece and fixed section of thick bamboo in the joint inslot with the joint piece, make the installation piece can not make the installation piece follow firm to the fixed of installation piece through joint piece and joint groove joint and fixed establishment two sets of, make the ladder drill bit can not rock or squint when drilling.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the principles of the invention. In the drawings:
fig. 1 is a perspective view of a first structure of the present invention;
fig. 2 is a perspective view of a second structure of the present invention;
fig. 3 is a cross-sectional view of the internal structure of the present invention;
fig. 4 is an enlarged view of a portion a in fig. 3 according to the present invention.
In the figure: 1. a fixed cylinder; 2. mounting grooves; 3. mounting blocks; 4. fixing grooves; 5. a slide bar slot; 6. a spring slot; 7. a slide bar; 8. a fixed block; 9. a return spring; 10. a connecting rod; 11. a stepped drill bit; 12. installing a base; 13. a non-slip mat; 14. connecting blocks; 15. a clamping block; 16. installing a slot; 17. a clamping groove.
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.
Examples
Referring to fig. 1-4, the present invention provides the following technical solutions:
a step drill for facilitating the disassembly and assembly of a drill bit, comprising:
a fixed cylinder 1;
the mounting groove 2 is formed in the upper end of the fixed cylinder 1;
the mounting block 3 is movably clamped in the mounting groove 2;
two fixing grooves 4 are formed in each fixing groove 4, and the two fixing grooves 4 are respectively formed in the circumferential surface of the mounting block 3;
fixing mechanism, fixing mechanism is equipped with two sets ofly, two sets of fixing mechanism all includes slide bar groove 5, spring groove 6, slide bar 7, fixed block 8, reset spring 9 is equipped with two, slide bar groove 5 is seted up in the circumferential surface of fixed section of thick bamboo 1, spring groove 6 is seted up in the circumference inner wall of mounting groove 2 and is linked together with slide bar groove 5, slide bar 7 sliding connection is in slide bar groove 5, 8 fixed plates of fixed block connect firmly in slide bar 7 one side and with fixed slot 4 phase-matches, the equal fixed connection of two reset spring 9 is in one side of the side of fixed block 8 and one side inner wall of spring groove 6.
The utility model discloses an in the concrete embodiment, solid fixed cylinder 1 is used for loading and fixed ladder drill bit 11, installation piece 3 can not rock when making solid fixed cylinder 1 drive installation piece 3 and ladder drill bit 11 drilling with the inner wall of mounting groove 2 laminating mutually, when needs are installed new ladder drill bit 11, insert mounting groove 2 with installation piece 3 in, fixed block 8 is the circumference form with installation piece 3's contact surface, installation piece 3 promotes fixed block 8 and slides and make two reset spring 9 contractions to spring inslot 6, when installation piece 3 inserts mounting groove 2's bottom, fixed block 8 and fixed slot 4 are corresponding, the fixed to installation piece 3 is accomplished in the fixed slot 4 to the rebound with fixed block 8 in the reset spring 9 resilience of extrusion shrink before, to both sides pulling slide bar 7 when needs change ladder drill bit 11 drive fixed block 8 and pull out in the fixed slot 4 the separation of accomplishing solid fixed cylinder 1 and installation piece 3, drill bit that can more renew through this device replaces the damage drill bit, or change the drilling efficiency of the improvement of different models at any time according to actual demand.
Specifically, referring to fig. 1 to 4, the lower end of the fixed cylinder 1 is fixedly connected to an installation base 12, and the installation base 12 is fixedly connected to the output end of the drilling rotating shaft.
In this embodiment: the output at drilling rifle is fixed through installation base 12 to solid fixed cylinder 1, drives installation base 12 and solid fixed cylinder 1 through starting drilling rifle and drives installation piece 3 and step drill 11 and bore.
Specifically, referring to fig. 1-4, the upper end of the mounting block 3 is fixedly connected with a connecting rod 10, and the upper end of the connecting rod 10 is fixedly connected with a stepped drill 11.
In this embodiment: ladder drill bit 11 passes through connecting rod 10 fixed connection in the upper end of installation piece 3, and installation piece 3 and connecting rod 10 highly equals the degree of depth of mounting groove 2, and when installation piece 3 inserted mounting groove 2 completely, ladder drill bit 11's lower extreme just blocked the upper shed at mounting groove 2, and the piece that produces when avoiding ladder drill bit 11 to drill falls into mounting groove 2 and influences the installation of new ladder drill bit 11 afterwards.
Specifically, referring to fig. 1-4, the lower end of the fixing groove 4 is fixedly connected with two connecting blocks 14, the side ends of the two connecting blocks 14 are respectively and fixedly connected with two clamping blocks 15, the bottom inner wall of the mounting groove 2 is provided with two insertion grooves 16, the side inner walls of the two insertion grooves 16 are provided with two clamping grooves 17, and the two clamping blocks 15 are respectively matched with the two clamping grooves 17.
In this embodiment: when installation piece 3 needs the installation, joint piece 15 sets up the overhang that is connecting block 14 at connecting block 14 side, connecting block 14, joint piece 15, installation slot 16 and joint groove 17 are circular-arcly, when installation piece 3 needs the installation, aim at the upper shed of installation slot 16 with joint piece 15 lower extreme, insert joint piece 15 in installation slot 16, then rotate installation piece 3 45 degrees and insert joint piece 15 and accomplish the joint of installation piece 3 and fixed cylinder 1 in joint slot 17, make installation piece 3 can not be at vertical removal, thereby fix installation piece 3 and avoid installation piece 3 to make fixed cylinder 1 and installation piece 3 fixed at installation inslot 2 internal rotation through fixed establishment, through joint piece 15 and joint groove 17 joint and fixed establishment two sets of coming to installation piece 3 fixed messenger installation piece 3 with firm, make ladder drill bit 11 can not rock or squint when drilling.
Specifically, referring to fig. 1-4, when the lower ends of the two clamping blocks 15 respectively correspond to the upper openings of the two insertion slots 16, the two fixing slots 4 respectively deviate from the two fixing blocks 8 by an angle of 45 degrees.
In this embodiment: fixed slot 4 and the skew 45 degrees of fixed block 8 when the last mouth of 15 alignment ann slots 16 of joint piece inserts, rotate installation piece 3 after the 16 bottoms of ann slots are inserted to joint piece 15 and rotate 45 degrees and insert joint piece 15 completely joint groove 17, two fixed slots 4 are corresponding with two fixed blocks 8 this moment, and reset spring 9 kick-backs and pushes away fixed block 8 and accomplish in the fixed slot 4 fixed to installation piece 3.
Specifically, referring to fig. 1-4, a non-slip pad 13 is fixedly connected to a side surface of the stepped drill 11.
In this embodiment: the non-slip mat 13 is located the circumference surface that step drill 11 leaned on, when needs are dismantled step drill 11, operating personnel to both ends pulling slide bar 7, then hold between the fingers non-slip mat 13 and rotate step drill 11 and change joint piece 15 out joint groove 17 then pull up step drill 11 and accomplish and demolish, comes to carry out the antiskid when rotating step drill 11 through non-slip mat 13.
The utility model discloses a theory of operation and use flow: need when installing shoulder drill 11, aim at the last opening of ann slot 16 with joint piece 15 lower extreme, insert installation piece 3 in mounting groove 2 and then insert ann slot 16 with joint piece 15 in, the contact surface of fixed block 8 and installation piece 3 is the circumference form, installation piece 3 extrudes fixed block 8 and slides and make two reset spring 9 shrink to spring groove 6, when installation piece 3 inserts the bottom of mounting groove 2, it accomplishes the joint of installation piece 3 and fixed cylinder 1 to rotate installation piece 3 45 degrees in inserting joint piece 15 into joint slot 17, make installation piece 3 can not be at vertical removal, fixed slot 4 is rotated to corresponding with fixed block 8 this moment, it accomplishes the fixing to installation piece 3 to kick-back in fixed block 8 in fixed slot 4 with fixed block 8 before by the reset spring 9 of extrusion shrink, when needs are dismantled shoulder drill 11, operating personnel drives fixed block 8 to both ends pulling slide bar 7 and pulls out in the fixed slot 4, then hold between fingers drill non-slip mat 13 and rotate shoulder drill 11 and turn out joint piece 15 joint slot 17 and then pull up and accomplish the drill 11, the drill bit 11 that can more renew through this shoulder drill replacement drill bit, the efficiency is damaged according to the different demands of the change at any time.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a ladder bores convenient to dismouting drill bit which characterized in that includes:
a fixed cylinder (1);
the mounting groove (2) is formed in the upper end of the fixed cylinder (1);
the mounting block (3) is movably clamped in the mounting groove (2);
the number of the fixing grooves (4) is two, and the two fixing grooves (4) are respectively formed in the circumferential surface of the mounting block (3);
fixing mechanism, fixing mechanism is equipped with two sets ofly, and is two sets of fixing mechanism all includes slide bar groove (5), spring groove (6), slide bar (7), fixed block (8), reset spring (9) are equipped with two, the circumference surface in fixed section of thick bamboo (1) is seted up in slide bar groove (5), the circumference inner wall in mounting groove (2) is seted up in spring groove (6) and is linked together with slide bar groove (5), slide bar (7) sliding connection is in slide bar groove (5), fixed block (8) fixed plate link firmly in one side end of slide bar (7) and with fixed slot (4) phase-match, two the equal fixed connection in one side end of fixed block (8) of reset spring (9) and one side inner wall in spring groove (6).
2. The step drill of claim 1, wherein: the lower extreme fixedly connected with installation base (12) of fixed section of thick bamboo (1), installation base (12) and the output fixed connection of drilling pivot.
3. The step drill for facilitating the removal and installation of a drill bit as claimed in claim 2, wherein: the upper end fixedly connected with connecting rod (10) of installation piece (3), the upper end fixedly connected with ladder drill bit (11) of connecting rod (10).
4. The step drill facilitating bit disassembly and assembly of claim 3, wherein: two connecting blocks (14) of lower extreme fixedly connected with of fixed slot (4), two the side of connecting block (14) is two joint pieces (15) of fixedly connected with respectively, two ann's slot (16) have been seted up to the end inner wall of mounting groove (2), two joint groove (17), two have been seted up to the side inner wall of ann's slot (16) joint piece (15) with respectively with two joint groove (17) phase-match.
5. The step drill of claim 4, wherein: when the lower ends of the two clamping blocks (15) correspond to the upper openings of the two inserting grooves (16) respectively, the two fixing grooves (4) are deviated from the two fixing blocks (8) by 45 degrees respectively.
6. The step drill of claim 5, wherein: and the surface of one side of the stepped drill bit (11) is fixedly connected with an anti-slip pad (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222923232.7U CN218341072U (en) | 2022-11-03 | 2022-11-03 | Stepped drill convenient for dismounting drill bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222923232.7U CN218341072U (en) | 2022-11-03 | 2022-11-03 | Stepped drill convenient for dismounting drill bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218341072U true CN218341072U (en) | 2023-01-20 |
Family
ID=84898449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222923232.7U Active CN218341072U (en) | 2022-11-03 | 2022-11-03 | Stepped drill convenient for dismounting drill bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218341072U (en) |
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2022
- 2022-11-03 CN CN202222923232.7U patent/CN218341072U/en active Active
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