CN116000349B - Novel drill jig with special anti-drop mechanism - Google Patents
Novel drill jig with special anti-drop mechanismInfo
- Publication number
- CN116000349B CN116000349B CN202211469118.XA CN202211469118A CN116000349B CN 116000349 B CN116000349 B CN 116000349B CN 202211469118 A CN202211469118 A CN 202211469118A CN 116000349 B CN116000349 B CN 116000349B
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- Prior art keywords
- drill jig
- jig body
- workpiece
- matched
- shaped
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Drilling And Boring (AREA)
Abstract
本发明公开了一种带有特殊防脱机构的新型钻模，属于钻模技术领域，包括工件和钻模本体，所述工件开孔端两侧对称开设有T形槽，所述钻模本体底面设置有钻模管芯，所述钻模管芯与所述工件的开孔相匹配，所述钻模本体两侧与所述T形槽相匹配开设有一字槽，所述T形槽和所述一字槽之间活动卡接有T型定位键，所述钻模管芯内部设置有用于加固所述工件和所述钻模本体稳定性的抵紧机构，所述钻模本体侧面还设置有用于所述工件和所述钻模本体连接导向的限位机构；它可以实现在提高生产效率的同时，满足图纸对偏心孔表面粗糙度Ra0.8的要求，使得钻模安装更加方便，降低生产成本，提高生产精度和加工质量。
This invention discloses a novel drill jig with a special anti-detachment mechanism, belonging to the field of drill jig technology. It includes a workpiece and a drill jig body. T-shaped grooves are symmetrically formed on both sides of the workpiece's opening end. A drill jig core is provided on the bottom surface of the drill jig body, matching the opening of the workpiece. Slots are formed on both sides of the drill jig body, matching the T-shaped grooves. A T-shaped positioning key is movably engaged between the T-shaped grooves and the slots. A clamping mechanism is provided inside the drill jig core to reinforce the stability of the workpiece and the drill jig body. A limiting mechanism is also provided on the side of the drill jig body for guiding the connection between the workpiece and the drill jig body. This invention can improve production efficiency while meeting the drawing requirements for a surface roughness Ra0.8 for eccentric holes, making drill jig installation more convenient, reducing production costs, and improving production accuracy and processing quality.
Description
Technical Field
The invention relates to the technical field of drilling jigs, in particular to a novel drilling jig with a special anti-falling mechanism.
Background
As shown in figure 8 of the specification and the drawings, the step surface of the deep hole is provided with an eccentric hole, and deep hole processing is needed, but due to the eccentric hole, a normal processing method is adopted, a boring bar is not positioned and supported, and can not be completed, and only a drilling jig can be used for positioning the hole wall of the large hole, and a bench worker can drill by using a rocker arm drill.
In the prior art, a machining method for a rocker arm drilling and addition drilling bit is generally adopted, the machining efficiency is far lower than that of a numerical control deep hole, the surface roughness of the machining method can only reach Ra3.2 at most, the requirement of the surface roughness Ra0.8 of an assembly inner hole cannot be met, and meanwhile, the drilling jig is inconvenient to install and detach.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems existing in the prior art, the invention aims to provide a novel drilling jig with a special anti-disengaging mechanism, which can meet the requirement of drawing on the surface roughness Ra0.8 of an eccentric hole while improving the production efficiency, so that the drilling jig is more convenient to install, the production cost is reduced, and the production precision and the processing quality are improved.
2. Technical proposal
In order to solve the problems, the invention adopts the following technical scheme.
The utility model provides a novel jig with special anticreep mechanism, includes work piece and jig body, T-shaped groove has been seted up to work piece trompil end bilateral symmetry, jig body bottom surface is provided with the jig die, the jig die with the trompil phase-match of work piece, jig body both sides with T-shaped groove phase-match has seted up a word groove, T-shaped groove with movable joint has T type locate key between the word groove, the inside support tight mechanism that is used for strengthening the work piece with jig body stability that is provided with of jig die, jig body side still is provided with and is used for the work piece with the stop gear of jig body connection direction.
Further, the outer diameters of the workpiece and the drill jig body are the same, and the lengths of the T-shaped groove and the straight groove are the same as those of the T-shaped positioning key.
Further, a connecting through groove is formed in the T-shaped positioning key, a first threaded hole is formed in the bottom surface of the straight groove in a matched mode with the connecting through groove, and the T-shaped positioning key is fixed with the drill jig body through an inner hexagon screw.
Further, the bottom surface of the drill jig body is provided with a reinforcing ring matched with the eccentric through hole, positioning through holes are uniformly formed in the reinforcing ring, and positioning grooves are formed in the top surface of the drill jig body and matched with the positioning through holes.
Further, the abutting mechanism comprises a longitudinal screw hole formed in the inner wall of the drill jig tube core, and an abutting screw is connected to the inner portion of the longitudinal screw hole in a threaded mode.
Further, the limiting mechanism comprises second threaded holes symmetrically formed in the side face of the drill jig body and a powerful torsion spring shaft fixedly connected with the second threaded holes, two ends of the powerful torsion spring shaft are symmetrically and rotatably connected with side supporting arms, and limiting rollers are uniformly and rotatably arranged on the side supporting arms.
Further, one side of the powerful torsion spring shaft is provided with an arc groove matched with the arc surface of the drill jig body, the opposite side is symmetrically provided with screw through holes matched with the second threaded holes, and the screw through holes are connected with the second threaded holes through socket head cap screws.
Further, the top ends of the side supporting arms are bent to be arc-shaped, and the bending direction is away from one side of the workpiece.
Further, the limit roller is a concave roller, and the concave surface is an arc surface matched with the outer arc surface of the workpiece.
Further, the second threaded hole and the straight slot are arranged in a perpendicular crossing mode, and the straight slot is positioned on two sides of the symmetrical edge of the eccentric circular hole of the drill jig body.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) The scheme is provided with T-shaped groove, straight slot, first screw hole, T type locating key and link groove cooperate, utilize a set of T type locating key to fix a position work piece and jig body for furthest's reduction in the time of processing blank size and the excircle car machining procedure of processing technology screw thread, technology screw thread helmet preparation and the inconvenient place of jig installation dismantlement, thereby when improving production efficiency, satisfy the requirement of drawing to eccentric hole roughness Ra., reduced manufacturing cost, improved production precision and processingquality.
(2) The scheme is provided with vertical screw and supports tight screw and cooperatees, when processing the great work piece in eccentric aperture, the accessible vertical screw carries out the secondary to work piece and jig body inboard with support tight screw and consolidates, has increased the machining stability of jig body for machining precision is higher.
(3) The utility model provides a be provided with stop gear, can utilize the torsional spring elasticity of powerful torsional spring axle when the spacing roller that is located the top is contacted to the work piece bottom, exert an equidirectional same power simultaneously in the both sides of work piece through two sets of stop gear, the recess face of spacing roller offsets tightly with the work piece lateral surface simultaneously, the direction through the spacing roller for the central axis of work piece is restricted to the central axis coincidence mutually with the jig body, so makes the in-process position of downward equipment can not deviate, the equipment precision is higher.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is an exploded view of the present invention;
FIG. 3 is a schematic diagram of the internal structure of a drill die of the present invention;
FIG. 4 is a schematic diagram of a T-shaped positioning key structure according to the present invention;
FIG. 5 is a schematic view of a limiting mechanism according to the present invention;
FIG. 6 is a schematic view of a limiting mechanism according to the present invention;
FIG. 7 is a schematic top view of the present invention;
fig. 8 is a schematic diagram of a deep hole step surface eccentric hole structure in the prior art.
The reference numerals in the figures illustrate:
1. A workpiece; 2, a drilling jig body, 3, a drilling jig core, 4, a T-shaped groove, 5, a straight groove, 6, a first threaded hole, 7, a T-shaped positioning key, 8, a connecting through groove, 9, a reinforcing ring, 10, a positioning through hole, 11, a positioning groove, 12, a longitudinal threaded hole, 13, a tightening screw, 14, a second threaded hole, 15, a powerful torsion spring shaft, 16, a screw through hole, 17, a side supporting arm, 18 and a limiting roller.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present invention are within the scope of the present invention.
Referring to fig. 1-7, a novel drill jig with special anti-drop mechanism comprises a workpiece 1 and a drill jig body 2, wherein two sides of an opening end of the workpiece 1 are symmetrically provided with T-shaped grooves 4, the bottom surface of the drill jig body 2 is provided with a drill jig core 3, the drill jig core 3 is matched with the opening of the workpiece 1, two sides of the drill jig body 2 are matched with the T-shaped grooves 4 to form a straight slot 5, T-shaped positioning keys 7 are movably clamped between the T-shaped grooves 4 and the straight slot 5, a supporting and fastening mechanism for reinforcing the stability of the workpiece 1 and the drill jig body 2 is arranged in the drill jig core 3, and a limiting mechanism for connecting and guiding the workpiece 1 and the drill jig body 2 is further arranged on the side surface of the drill jig body 2.
Referring to fig. 1 and 2, the outer diameters of the workpiece 1 and the drill jig body 2 are the same, and the lengths of the T-shaped groove 4 and the straight groove 5 are the same as those of the T-shaped positioning key 7, so that the positioning between the workpiece 1 and the drill jig body 2 is more accurate during assembly, and the stability is higher when the T-shaped positioning key 7 is connected with the T-shaped groove 4 and the straight groove 5;
Wherein, connection slot 8 has been seted up on the T type locating key 7, and first screw hole 6 has been seted up with connection slot 8 phase-match to a word groove 5 bottom surface, fixes mutually through the hexagon socket head cap screw between T type locating key 7 and the jig body 2, utilizes the hexagon socket head cap screw to pass connection slot 8 and first screw hole 6, can make T type locating key 7 and jig body 2 fixed in an organic whole to fix workpiece 1 and jig body 2 in an organic whole.
Referring to fig. 1 and 2, the bottom surface of the drill jig body 2 is provided with a reinforcing ring 9 matched with the eccentric through hole, positioning through holes 10 are uniformly formed in the reinforcing ring 9, positioning grooves 11 are formed in the top surface of the drill jig body 2 and matched with the positioning through holes 10, and the reinforcing ring 9 is positioned and fixed by the aid of the positioning through holes 10 and the positioning grooves 11, so that drilling equipment can be conveniently connected, and meanwhile machining precision is improved.
Referring to fig. 2 and 3, when the workpiece 1 with larger eccentric aperture is processed, a tightening mechanism can be provided, so that the tightening mechanism is convenient to operate, the tightening mechanism comprises a longitudinal screw hole 12 formed in the inner wall of the drill jig tube core 3, the inside of the longitudinal screw hole 12 is in threaded connection with a tightening screw 13, the tightening screw 13 can be screwed in the longitudinal screw hole 12, the tightening screw 13 can be used for propping against the inner wall of the workpiece 1, and the secondary reinforcement can be performed, so that the connection stability of the drill jig body 2 is higher.
Referring to fig. 5-7, the limiting mechanism comprises a second threaded hole 14 symmetrically arranged on the side surface of the drill jig body 2 and a strong torsion spring shaft 15 fixedly connected with the second threaded hole 14, two ends of the strong torsion spring shaft 15 are symmetrically and rotatably connected with side supporting arms 17, and limiting rollers 18 are uniformly and rotatably arranged on the side supporting arms 17;
Wherein, one side of the strong torsional spring shaft 15 is provided with an arc groove matched with the arc surface of the drill jig body 2, the opposite side is symmetrically provided with a screw through hole 16 matched with the second threaded hole 14, the screw through hole 16 is connected with the second threaded hole 14 through an inner hexagon screw, so that the arc groove on the side of the strong torsional spring shaft 15 can be attached to the outer side surface of the drill jig body 2 when being installed, and the inner hexagon screw is used for fixing through the screw through hole 16 and the second threaded hole 14, so that the fixing stability is higher;
the top end of the side supporting arm 17 is bent to be arc-shaped, the bending direction is one side far away from the workpiece 1, meanwhile, the limit roller 18 is a concave roller, and the concave surface is an arc-shaped surface matched with the outer arc surface of the workpiece 1;
when the bottom end of the workpiece 1 contacts the limiting roller 18 positioned at the top end, the torsional spring force of the powerful torsional spring shaft 15 can be utilized, two groups of limiting mechanisms apply the same force in the same direction on two sides of the workpiece 1 simultaneously, meanwhile, the concave surface of the limiting roller 18 is abutted against the outer side surface of the workpiece 1, the central axis of the workpiece 1 is limited to coincide with the central axis of the drill jig body 2 through the guiding of the limiting roller 18, so that the position cannot deviate in the downward assembly process, and the assembly precision is higher.
Referring to fig. 1 and 7, the second threaded hole 14 and the straight slot 5 are vertically crossed, and the straight slot 5 is located at two sides of the symmetrical edge of the eccentric circular hole of the drill jig body 2, so that the drill jig body 2 can be positioned around the outer side surface of the workpiece 1, the connection stability of the drill jig body 2 is ensured, the drill jig body cannot easily deviate during drilling, and the machining precision is higher.
When the jig is used, firstly, the limiting mechanism can be additionally arranged by utilizing the second threaded hole 14, the screw through hole 16 and the inner hexagon screw according to the requirement, and the central axis of the workpiece 1 can be limited to coincide with the central axis of the jig body 2 in the process of splicing the workpiece 1 and the jig core 3, so that the position cannot deviate in the downward assembly process;
Secondly, after the workpiece 1 is contacted with the drill jig body 2, the T-shaped groove 4 and the linear groove 5 can be aligned, meanwhile, the T-shaped positioning key 7 and the drill jig body 2 are fixed on the first threaded hole 6 through the connecting groove 8 by using an inner hexagon screw, so that the workpiece 1 and the drill jig body 2 are locked into a whole, and then the abutting screw 13 can be screwed by using a tool to enable the end part of the abutting screw to abut against the inner wall of the workpiece 1, so that secondary foot hoops are carried out, and the locking stability is improved;
And finally, machining an eccentric hole of the deep hole step surface of the workpiece 1 by using the drill jig body 2 and the drilling tool, and positioning the workpiece 1 and the drill jig body 2 by using the T-shaped positioning key 7, so that the inconveniences of the outer circle turning machining procedure of blank size and machining process threads, process thread protective cap manufacturing and drill jig mounting and dismounting are reduced to the greatest extent during machining.
The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present invention, and the technical solution and the improvement thereof are all covered by the protection scope of the present invention.
Claims (5)
1. The novel drill jig with the special anti-drop mechanism comprises a workpiece (1) and a drill jig body (2) and is characterized in that T-shaped grooves (4) are symmetrically formed in two sides of an opening end of the workpiece (1), a drill jig core (3) is arranged on the bottom surface of the drill jig body (2), the drill jig core (3) is matched with the opening of the workpiece (1), a straight groove (5) is formed in two sides of the drill jig body (2) and is matched with the T-shaped grooves (4), T-shaped positioning keys (7) are movably clamped between the T-shaped grooves (4) and the straight grooves (5), a supporting mechanism for reinforcing the stability of the workpiece (1) and the drill jig body (2) is arranged in the drill jig core (3), and a limiting mechanism for connecting and guiding the workpiece (1) and the drill jig body (2) is further arranged on the side surface of the drill jig body (2).
The outer diameters of the workpiece (1) and the drill jig body (2) are the same, and the lengths of the T-shaped groove (4) and the straight groove (5) are the same as those of the T-shaped positioning key (7);
A connecting through groove (8) is formed in the T-shaped positioning key (7), a first threaded hole (6) is formed in the bottom surface of the straight groove (5) and matched with the connecting through groove (8), and the T-shaped positioning key (7) is fixed with the drill jig body (2) through an inner hexagon screw;
The top surface of the drill jig body (2) is provided with a reinforcing ring (9) matched with the eccentric through hole, positioning through holes (10) are uniformly formed in the reinforcing ring (9), and positioning grooves (11) are formed in the top surface of the drill jig body (2) and matched with the positioning through holes (10);
The abutting mechanism comprises a longitudinal screw hole (12) formed in the inner wall of the drill jig tube core (3), and an abutting screw (13) is connected to the inside of the longitudinal screw hole (12) in a threaded manner;
The limiting mechanism comprises second threaded holes (14) symmetrically formed in the side face of the drill jig body (2) and a powerful torsion spring shaft (15) fixedly connected with the second threaded holes (14), two ends of the powerful torsion spring shaft (15) are symmetrically and rotatably connected with side supporting arms (17), and limiting rollers (18) are uniformly and rotatably arranged on the side supporting arms (17).
2. The novel drill jig with the special anti-drop mechanism according to claim 1, wherein one side surface of the strong torsional spring shaft (15) is provided with an arc-shaped groove matched with the arc-shaped surface of the drill jig body (2), the opposite side surface is symmetrically provided with screw through holes (16) matched with the second threaded holes (14), and the screw through holes (16) are connected with the second threaded holes (14) through socket head cap screws.
3. The novel drill jig with the special anti-drop mechanism, as claimed in claim 1, is characterized in that the top ends of the side supporting arms (17) are bent into an arc shape, and the bending direction is the side far away from the workpiece (1).
4. The novel drill jig with the special anti-drop mechanism, as claimed in claim 1, is characterized in that the limit roller (18) is a concave roller, and the concave surface is an arc surface matched with the outer arc surface of the workpiece (1).
5. The novel drill jig with the special anti-drop mechanism, as claimed in claim 1, is characterized in that the second threaded hole (14) and the straight groove (5) are arranged in a perpendicular crossing mode, and the straight groove (5) is positioned on two sides of the symmetrical edge of the eccentric circular hole of the drill jig body (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211469118.XA CN116000349B (en) | 2022-11-22 | 2022-11-22 | Novel drill jig with special anti-drop mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211469118.XA CN116000349B (en) | 2022-11-22 | 2022-11-22 | Novel drill jig with special anti-drop mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116000349A CN116000349A (en) | 2023-04-25 |
| CN116000349B true CN116000349B (en) | 2026-02-24 |
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ID=86032396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211469118.XA Active CN116000349B (en) | 2022-11-22 | 2022-11-22 | Novel drill jig with special anti-drop mechanism |
Country Status (1)
| Country | Link |
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| CN (1) | CN116000349B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117620245A (en) * | 2023-11-30 | 2024-03-01 | 中船重工中南装备有限责任公司 | A method for processing the inner step end hole with an angular positional relationship with the outer groove |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201338117Y (en) * | 2008-12-18 | 2009-11-04 | 潍坊盛瑞动力机械科技有限公司 | Fly wheel dust exhausting hole drilling jig |
| CN214236422U (en) * | 2020-12-28 | 2021-09-21 | 佛山市南海协隆金属结构有限公司 | Positioning drill jig for elevator beam drilling |
| CN214517689U (en) * | 2020-09-27 | 2021-10-29 | 天津移山工程机械有限公司 | Guide wheel hub drilling tool |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060210367A1 (en) * | 2005-03-18 | 2006-09-21 | Hsu Hsiu-Kwei Liu | Wood boring operation aid |
| CN102069214B (en) * | 2010-12-10 | 2013-01-09 | 芜湖大中机电制造有限公司 | Clamp for multi-hole drill |
-
2022
- 2022-11-22 CN CN202211469118.XA patent/CN116000349B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201338117Y (en) * | 2008-12-18 | 2009-11-04 | 潍坊盛瑞动力机械科技有限公司 | Fly wheel dust exhausting hole drilling jig |
| CN214517689U (en) * | 2020-09-27 | 2021-10-29 | 天津移山工程机械有限公司 | Guide wheel hub drilling tool |
| CN214236422U (en) * | 2020-12-28 | 2021-09-21 | 佛山市南海协隆金属结构有限公司 | Positioning drill jig for elevator beam drilling |
Also Published As
| Publication number | Publication date |
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| CN116000349A (en) | 2023-04-25 |
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