CN219520598U - Special drill jig for manufacturing worm drill bit - Google Patents
Special drill jig for manufacturing worm drill bit Download PDFInfo
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- CN219520598U CN219520598U CN202222177293.3U CN202222177293U CN219520598U CN 219520598 U CN219520598 U CN 219520598U CN 202222177293 U CN202222177293 U CN 202222177293U CN 219520598 U CN219520598 U CN 219520598U
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- drill
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- worm
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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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Abstract
The utility model discloses a special drill jig for manufacturing a worm drill, which belongs to the field of worm drills and comprises an upper fixing assembly, a mandrel mechanism and a lower fixing assembly; the center of the upper fixing assembly is movably connected with the top end of the mandrel mechanism; the spindle mechanism includes a spindle; the upper part of the mandrel is matched with the positioning hole; the lower fixing assembly comprises a bottom plate; the center of the bottom plate is provided with a stepped hole; the stepped hole is matched with the bottom end of the mandrel. The special drill jig for manufacturing the worm drill bit is provided with three holes, the positioning holes are used for positioning, the other two guide holes are arranged in the drill sleeve, when the special drill jig is used, after the positioning holes of the drill jig and the middle hole penetrating shaft of the worm drill bit are positioned, the other two guide holes with the drill sleeve on the drill jig are used for guiding two pin holes on the worm drill bit, and the two pin holes on the worm drill rod are guided by the same method, so that the standardization and the systemization of the worm drill processing technology are realized, and meanwhile, the drill bit has interchangeability.
Description
Technical Field
The utility model relates to the field of worm drills, in particular to a special drill jig for manufacturing worm drills.
Background
The worm drill is a reaming tool for processing boiler steam drums, and can be used for reaming and bench cutting like a twist drill and an adjustable reamer. The structure of the worm drill bit is that the outer cylindrical surface is provided with a slope of 3 degrees; the top surface is an Archimedes spiral line; making an angle of 15 degrees along the concave part of the cylinder; the front angle is larger; the cutting edge is provided with staggered chip dividing grooves; the cutter teeth are few, the cutter teeth are carried by the back of the cutter, so the cutter teeth have high strength and can bear large cutting resistance, the cutter teeth are arranged on a worm drill rod during use, a middle hole on a worm drill bit is positioned, two positioning pins are arranged for transmitting torque, then the cutter teeth can be processed after being pressed and fastened by guide posts, and the cutter teeth are widely applied to reaming processing of various large holes. Disadvantages: the produced worm drill bit is easy to damage, and the worm drill bit with reliable interchangeability cannot be produced in a large scale and high efficiency.
Disclosure of Invention
In order to overcome the defects of the prior art, the technical problem to be solved by the utility model is to provide a special drill jig for manufacturing a worm drill bit, which is provided with three holes, wherein the positioning holes are used for positioning, the other two guide holes are arranged in a drill sleeve, when the special drill jig is used, after the positioning holes of the drill jig and a middle hole penetrating shaft of the worm drill bit are positioned, the other two guide holes with the drill sleeve on the drill jig are used for guiding two pin holes on the worm drill, and then the two pin holes on a worm drill rod are guided by the same method. Therefore, the two pin holes on the worm drill bit and the drill rod are both drilled by one drill jig, so that the positions of the two pin holes are the same under the premise of locating the middle hole, and the installation accuracy can be ensured. Further, the use is ensured, the standardization and the systemization of the processing technology of the worm drill are realized, and meanwhile, the drill bit has interchangeability.
To achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a special drill jig for manufacturing a worm drill bit, which comprises an upper fixing assembly, a mandrel mechanism and a lower fixing assembly; the center of the upper fixing assembly is movably connected with the top end of the mandrel mechanism; the center of the lower fixing assembly is fixedly connected with the bottom end of the mandrel mechanism.
The utility model further adopts the technical scheme that the upper fixing component comprises a pressing plate; the center of the pressing plate is provided with a positioning hole; guide holes are symmetrically formed at two ends of the pressing plate by taking the positioning holes as centers.
The further technical scheme of the utility model is that the upper fixing component further comprises a locating pin and a drill bushing; the positioning pin is coaxially arranged above one of the guide holes; the drill bushing is fixedly arranged in the guide hole.
The utility model further adopts the technical scheme that the mandrel mechanism comprises a mandrel and a fixing pin; the upper part of the mandrel is matched with the positioning hole; the top end of the mandrel is provided with threads; the bottom end of the mandrel is provided with a pin hole; the middle part of the mandrel is a stepped shaft; one end of the fixing pin is inserted into the pin hole.
The utility model further adopts the technical scheme that the lower fixing component comprises a bottom plate; the center of the bottom plate is provided with a stepped hole; the stepped hole is matched with the bottom end of the mandrel; the top end of the stepped hole is concentrically provided with a convex excircle; a waist-shaped sinking groove is formed in one side of the bottom end of the stepped hole; the fixing pin is matched with the waist-shaped sinking groove; and a limit pin hole is arranged below the stepped hole in an inclined manner.
The utility model further adopts the technical scheme that the bottom plate is cuboid.
The lower fixing component further comprises a limiting pin; and the bottom end of the limiting pin is inserted into the limiting pin hole.
The beneficial effects of the utility model are as follows:
the special drill jig for manufacturing the worm drill bit is provided with three holes, wherein the positioning holes are used for positioning, the other two guide holes are arranged in the drill sleeve, when the special drill jig is used, after the positioning holes of the drill jig and the middle hole penetrating shaft of the worm drill bit are positioned, the other two guide holes with the drill sleeve on the drill jig are used for guiding two pin holes on the worm drill bit, and then the two pin holes on the worm drill rod are guided by the same method. Therefore, the two pin holes on the worm drill bit and the drill rod are both drilled by one drill jig, so that the positions of the two pin holes are the same under the premise of locating the middle hole, and the installation accuracy can be ensured. Further, the use is ensured, the standardization and the systemization of the processing technology of the worm drill are realized, and meanwhile, the drill bit has interchangeability.
Drawings
Fig. 1 is a schematic diagram of the construction of a dedicated jig for manufacturing a scroll drill bit according to the present utility model.
Fig. 2 is a structural cross-sectional view of a dedicated jig for manufacturing a scroll drill bit of the present utility model.
Fig. 3 is a top view of the construction of the dedicated jig for manufacturing a scroll drill bit of the present utility model.
Fig. 4 is a cross-sectional view of the structure of A-A in fig. 3.
FIG. 5 is a schematic view of the structure of the bottom plate 31 of the special jig for manufacturing the worm bit of the present utility model
Fig. 6 is a top view of the structure of the bottom plate 31 of the dedicated jig for manufacturing the worm bit of the present utility model.
Fig. 7 is a bottom view of the floor 31 of the dedicated jig for manufacturing a scroll drill bit according to the present utility model.
Fig. 8 is a cross-sectional view of the floor 31 of the dedicated jig for manufacturing a scroll drill bit according to the present utility model.
In the figure:
an upper fixing assembly 1; a pressing plate 11; a positioning hole 111; a guide hole 112; a positioning pin 12; a drill bushing 13; a spindle mechanism 2; a spindle 21; pin holes 211; a fixing pin 22; a lower fixing assembly 3; a bottom plate 31; a stepped hole 311; a convex outer circle 312; waist-shaped sink 313; a limit pin hole 314; and a stopper pin 32.
Detailed Description
The utility model is further described below in connection with the following detailed description. Wherein the drawings are for illustrative purposes only and are shown in schematic, non-physical, and not intended to be limiting of the present patent; for the purpose of better illustrating embodiments of the utility model, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the size of the actual product; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numbers in the drawings of embodiments of the utility model correspond to the same or similar components; in the description of the present utility model, it should be understood that, if there is an azimuth or positional relationship indicated by terms such as "upper", "lower", "left", "right", etc., based on the azimuth or positional relationship shown in the drawings, it is only for convenience of describing the present utility model and simplifying the description, but it is not indicated or implied that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus terms describing the positional relationship in the drawings are merely illustrative and should not be construed as limitations of the present patent, and specific meanings of the terms described above may be understood by those skilled in the art according to specific circumstances.
The first embodiment is as follows:
the present utility model relates to the field of worm drills, in particular to a special drill jig for manufacturing a worm drill, which comprises an upper fixing component 1, a mandrel mechanism 2 and a lower fixing component 3, wherein the upper fixing component 1 is a cylindrical structure; the center of the upper fixing component 1 is movably connected with the top end of the mandrel mechanism 2; the center of the lower fixing component 3 is fixedly connected with the bottom end of the mandrel mechanism 2.
The second embodiment is as follows:
next, this embodiment will be described with reference to fig. 1, 2, 3, 4, 5, 6, 7, 8, in which a first embodiment will be further described, and the upper fixing assembly 1 includes a pressing plate 11; the center of the pressing plate 11 is provided with a positioning hole 111; guide holes 112 are symmetrically arranged at the two ends of the pressing plate 11 around the positioning hole 111.
And a third specific embodiment:
the first embodiment will be further described with reference to fig. 1, 2, 3, 4, 5, 6, 7, 8, where the upper fixing assembly 1 further includes a positioning pin 12 and a positioning pin 12 coaxially disposed above one of the guide holes 112 of the drill bushing 13; the drill bushing 13 is fixedly installed in the guide hole 112, and the positioning pin 12 is used for performing circumferential positioning when two pin holes of the worm drill rod are drilled, so as to offset torque during drilling.
The specific embodiment IV is as follows:
next, this embodiment will be described with reference to fig. 1, 2, 3, 4, 5, 6, 7, 8, in which the first embodiment is further described, and the spindle mechanism 2 includes a spindle 21 and a fixing pin 22; the upper part of the mandrel 21 is matched with the positioning hole 111; the top end of the mandrel 21 is provided with threads, and the thread ends are used for assembling different lock nuts for machining worm drills with different specifications; the bottom end of the mandrel 21 is provided with a pin hole 211; the middle part of the mandrel 21 is a stepped shaft which is used for processing worm drill bit bottom plates with different specifications; one end of the fixing pin 22 is inserted into the pin hole 211, and the pin hole 211 is fitted into the fixing pin 22 to restrict the rotation of the spindle 21 when the nut on the threaded end of the spindle 21 is locked in use by the jig.
Fifth embodiment:
the following describes the present embodiment with reference to fig. 1, 2, 3, 4, 5, 6, 7, 8, and further describes the first embodiment, and the lower fixing assembly 3 includes a bottom plate 31; the center of the bottom plate 31 is provided with a stepped hole 311; the stepped hole 311 is matched with the bottom end of the mandrel 21; the top end of the stepped hole 311 is concentrically provided with a convex excircle 312; a waist-shaped sinking groove 313 is arranged on one side of the bottom end of the stepped hole 311; the fixing pin 22 is matched with the waist-shaped sinking groove 313; a limit pin hole 314 is arranged obliquely below the stepped hole 311.
Specific embodiment six:
next, this embodiment will be described with reference to fig. 1, 2, 3, 4, 5, 6, 7, and 8, and the first embodiment will be further described, in which the bottom plate 31 is rectangular.
Seventh embodiment:
the following describes the present embodiment with reference to fig. 1, 2, 3, 4, 5, 6, 7, 8, and further describes the first embodiment, and the lower fixing component 3 further includes a limiting pin 32; the bottom end of the limiting pin 32 is inserted into the limiting pin hole 314, the limiting pin hole 314 is assembled with the limiting pin 32, the limiting pin is used for being arranged in a V-shaped groove of a worm drill bit, circumferential positioning is carried out when the worm drill bit is processed, rotation of the worm drill bit is limited, two pin holes on the worm drill bit and two pin holes on a worm drill rod are respectively guided and drilled by the pressing plate 11 under the positioning of the mandrel 21, and the consistency of the size and the relative position is ensured. And the installation and the use are ensured.
Working principle: the positioning hole 11 is used for positioning, the other two guide holes 112 are arranged in the drill bushing 13, when the drill is used, after the positioning hole 11 of the drill jig and the middle hole penetrating shaft 21 of the volute drill bit are positioned, the other two guide holes 112 with the drill bushing 13 on the drill jig are used for guiding two pin holes on the volute drill, and then the two pin holes on the volute drill rod are guided and drilled in the same way. Therefore, the two pin holes on the worm drill bit and the drill rod are both drilled by one drill jig, so that the positions of the two pin holes are the same under the premise of locating the middle hole, and the installation accuracy can be ensured. Further, the use is ensured, the standardization and the systemization of the processing technology of the worm drill are realized, and meanwhile, the drill bit has interchangeability.
While the utility model has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the utility model. The utility model is not to be limited by the specific embodiments disclosed herein, but rather, embodiments falling within the scope of the appended claims are intended to be embraced by the utility model.
Claims (6)
1. A special drill jig for manufacturing a worm drill bit is characterized in that,
comprises an upper fixing component (1), a mandrel mechanism (2) and a lower fixing component (3);
the center of the upper fixing assembly (1) is movably connected with the top end of the mandrel mechanism (2);
the center of the lower fixing assembly (3) is fixedly connected with the bottom end of the mandrel mechanism (2);
the upper fixing assembly (1) comprises a pressing plate (11);
a positioning hole (111) is formed in the center of the pressing plate (11);
guide holes (112) are symmetrically arranged at two ends of the pressing plate (11) by taking the positioning holes (111) as the center; the spindle mechanism (2) comprises a spindle (21) and a fixing pin (22);
the upper part of the mandrel (21) is matched with the positioning hole (111);
the lower fixing assembly (3) comprises a bottom plate (31);
a stepped hole (311) is formed in the center of the bottom plate (31);
the stepped hole (311) is matched with the bottom end of the mandrel (21);
the top end of the stepped hole (311) is concentrically provided with a convex excircle (312);
a waist-shaped sinking groove (313) is formed in one side of the bottom end of the stepped hole (311);
the fixing pin (22) is matched with the waist-shaped sinking groove (313);
and a limit pin hole (314) is formed below the stepped hole (311) in an inclined manner.
2. A special jig for manufacturing a scroll drill bit according to claim 1, wherein:
threads are arranged at the top end of the mandrel (21);
a pin hole (211) is formed in the bottom end of the mandrel (21);
the middle part of the mandrel (21) is a stepped shaft.
3. A special jig for manufacturing a scroll drill bit according to claim 1, wherein:
the upper fixing assembly (1) further comprises a locating pin (12) and a drill bushing (13);
the locating pin (12) is coaxially arranged above one guide hole (112);
the drill bushing (13) is fixedly arranged in the guide hole (112).
4. A special jig for manufacturing a scroll drill bit according to claim 1 or 2, wherein: the spindle mechanism (2) further comprises a fixing pin (22);
one end of the fixing pin (22) is inserted into the pin hole (211).
5. A special jig for manufacturing a scroll drill bit according to claim 1, wherein:
the bottom plate (31) is rectangular.
6. A special jig for manufacturing a scroll drill bit according to claim 1, wherein:
the lower fixing assembly (3) further comprises a limiting pin (32);
and the bottom end of the limiting pin (32) is inserted into the limiting pin hole (314).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222177293.3U CN219520598U (en) | 2022-08-18 | 2022-08-18 | Special drill jig for manufacturing worm drill bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222177293.3U CN219520598U (en) | 2022-08-18 | 2022-08-18 | Special drill jig for manufacturing worm drill bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219520598U true CN219520598U (en) | 2023-08-15 |
Family
ID=87586867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222177293.3U Active CN219520598U (en) | 2022-08-18 | 2022-08-18 | Special drill jig for manufacturing worm drill bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219520598U (en) |
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2022
- 2022-08-18 CN CN202222177293.3U patent/CN219520598U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |