CN212824738U - Positioning device convenient for grinding outer edge of sleeve - Google Patents
Positioning device convenient for grinding outer edge of sleeve Download PDFInfo
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- CN212824738U CN212824738U CN202021558753.1U CN202021558753U CN212824738U CN 212824738 U CN212824738 U CN 212824738U CN 202021558753 U CN202021558753 U CN 202021558753U CN 212824738 U CN212824738 U CN 212824738U
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- sleeve
- shaft
- grinding
- axle sleeve
- shaft sleeve
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Abstract
The utility model discloses a make things convenient for positioner of sleeve outer fringe grinding, including external fixation dish and plug, the upper right end of external fixation dish is connected with the locking axle, and is provided with the linking arm outside the locking axle, the linking arm is connected with the double-screw bolt through coupling nut, and is provided with the double-screw bolt at linking arm top middle part, the external fixation dish middle part is connected with the inner disc, and the inside laminating of inner disc has the axle sleeve, axle sleeve one side is fixed with first bumping post, and the inside internal thread that is provided with of axle sleeve. This make things convenient for positioner of sleeve outer fringe grinding is provided with the axle sleeve, the internal thread interconnect inside the thread head and the axle sleeve that the structure size coincide each other for with the integrated plug of thread head and axle sleeve reciprocal anchorage, increase the firm degree of axle sleeve, make the axle sleeve restrict the sleeve of installing on the plug, prevent that it from dropping, and the direction of thread head can be complied with to fixed connection's axle sleeve is dismantled, is convenient for dismantle the sleeve that the processing grinding was accomplished and takes.
Description
Technical Field
The utility model relates to a sleeve processing grinding technical field specifically is a make things convenient for positioner of sleeve outer fringe grinding.
Background
The sleeve is also called a steel bar joint for connecting steel bars and having a connecting piece with corresponding internal threads of screw threads, and the simple construction flow is as follows: the end parts of the steel bars are processed into straight threads by a rolling process, the two steel bars are connected with each other by corresponding connecting sleeves, the outer edges of the two steel bars are fixed by claw discs, and certain blind points are formed in the processing.
The sleeve outer edge grinding device in the market is insufficient in machining precision, a clamping jaw disc is generally adopted for fixing the sleeve, however, a large blind spot is formed in the machining process, deep damage is easily caused to the surface of the outer edge of the sleeve, and therefore a positioning device facilitating grinding of the outer edge of the sleeve is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a make things convenient for positioner of sleeve outer fringe grinding to the sleeve outer fringe grinding device on the market that proposes in solving above-mentioned background is not enough to its machining precision, generally adopts and is used for the jack catch dish to carry out the fixed sleeve, nevertheless has very big blind spot in the course of working, also easily causes the problem of deep destruction to sleeve outer fringe surface.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a make things convenient for positioner of grinding of sleeve outer fringe, includes external fixation dish and plug, the upper right end of external fixation dish is connected with the locking axle, and is provided with the linking arm outside the locking axle, the linking arm is connected with the double-screw bolt through coupling nut, and linking arm top middle part is provided with the double-screw bolt, external fixation dish middle part is connected with the inner disc, and the inside laminating of inner disc has the axle sleeve, axle sleeve one side is fixed with first bumping post, and the inside internal thread that is provided with of axle sleeve, the axle sleeve lower extreme is connected with the thread head, the plug is fixed in the thread head lower extreme, and the plug lower extreme is provided with the lock mother, the lock mother lower extreme is fixed with the bottom shaft, and the bottom shaft.
Preferably, the connecting arm forms flip structure with the outer fixed disk through the locking shaft, and the connecting arm is parallel distribution with the outer fixed disk.
Preferably, the stud is screwed with the connecting nut in a thread manner, and the connecting arm is fixedly connected with the connecting nut.
Preferably, the outer end connecting surface of the shaft sleeve is attached to the inner wall connecting surface of the inner disc, and the central axis of the shaft sleeve and the central axis of the inner disc are positioned on the same horizontal line.
Preferably, the structure size of the outer opening of the threaded head is matched with the structure size of the inner opening of the shaft sleeve, and the core rod forms a fixing structure with the shaft sleeve through the internal threads and the threaded head.
Preferably, the second bumping post and the first bumping post are distributed in parallel, and the second bumping post and the bottom shaft are of a welding integrated structure.
Compared with the prior art, the beneficial effects of the utility model are that: the positioning device convenient for grinding the outer edge of the sleeve is provided with the outer fixing disc and the core rod, the stud screwed with the thread is firmly connected with the connecting nut, the installation is stable, the support of the first retaining column can be ensured, the whole positioning device is prevented from sliding in the machining work, the effect of grinding the outer edge of the sleeve is influenced, the connecting arm fixedly connected is tightly connected with the connecting nut, and the stability of stud installation is improved;
the shaft sleeve with the joint surfaces mutually attached is tightly connected with the inner disc, the shaft sleeve is limited and fixed in the middle of the inner disc to clamp the inner disc, the grinding precision of an object is prevented from being influenced by the sliding of the shaft sleeve, and the shaft sleeve is prevented from moving due to the mutual contact of the first stop pillar at the outer end of the shaft sleeve and the stud, so that the processing precision and the processing effect are improved;
the internal thread interconnect inside the thread head and the axle sleeve that the structure size coincide each other for with integrated plug and axle sleeve reciprocal anchorage of thread head, increase the firm degree of axle sleeve, make the axle sleeve restrict the sleeve of installing on the plug, prevent it and drop, and the orientation that thread head can be complied with to fixed connection's axle sleeve is dismantled, is convenient for dismantle the sleeve of accomplishing to the processing grinding and takes.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic side view of the mandrel of the present invention;
fig. 3 is a schematic view of the three-dimensional structure of the shaft sleeve of the present invention.
In the figure: 1. an outer fixed disk; 2. a locking shaft; 3. a connecting arm; 4. a connecting nut; 5. a stud; 6. an inner disc; 7. a shaft sleeve; 8. a first bumping post; 9. an internal thread; 10. a screw head; 11. a core rod; 12. locking a nut; 13. a bottom shaft; 14. a locking valve; 15. a second bumping post.
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.
Referring to fig. 1-3, the present invention provides a technical solution: a positioning device convenient for grinding the outer edge of a sleeve comprises an outer fixing disc 1, a locking shaft 2, a connecting arm 3, a connecting nut 4, a stud 5, an inner disc 6, a shaft sleeve 7, a first retaining column 8, an internal thread 9, a thread head 10, a core rod 11, a lock nut 12, a bottom shaft 13, a locking valve 14 and a second retaining column 15, wherein the locking shaft 2 is connected to the upper right end of the outer fixing disc 1, the connecting arm 3 is arranged on the outer side of the locking shaft 2, the connecting arm 3 and the outer fixing disc 1 form a turnover structure through the locking shaft 2, the connecting arm 3 and the outer fixing disc 1 are distributed in parallel, the connecting arm 3 can be rotated through the locking shaft 2, so that the connecting arm 3 can be turned over in a small range, the first retaining column 8 can be conveniently regulated to apply force to prevent movement of the first retaining column 8, the locking shaft 2 can be screwed and locked after being regulated to a reasonable position, the connecting arms 3 which are distributed in parallel are not directly contacted with the outer fixed disc 1, so that the abrasion of the connecting arms 3 is reduced in the process of overturning movement of the connecting arms;
the connecting arm 3 is connected with the stud 5 through the connecting nut 4, the stud 5 is arranged in the middle of the top end of the connecting arm 3, the stud 5 is in threaded screwing connection with the connecting nut 4, the connecting arm 3 is fixedly connected with the connecting nut 4, the threaded screwing stud 5 is firmly connected with the connecting nut 4, the mounting is stable, the support for the first bumping post 8 can be ensured, the whole positioning device is prevented from sliding in the machining work, the effect of grinding the outer edge of the sleeve is influenced, and the fixedly connected connecting arm 3 is tightly connected with the connecting nut 4, so that the mounting stability of the stud 5 is improved;
the middle part of the outer fixed disc 1 is connected with an inner disc 6, a shaft sleeve 7 is attached to the inner part of the inner disc 6, the outer end connecting surface of the shaft sleeve 7 is attached to the inner wall connecting surface of the inner disc 6, the central axis of the shaft sleeve 7 and the central axis of the inner disc 6 are positioned on the same horizontal line, the shaft sleeve 7 with the connecting surfaces attached to each other is tightly connected with the inner disc 6, the shaft sleeve 7 is limited and fixed in the middle part of the inner disc 6 to clamp the inner disc, the influence of the movement and the sliding of the inner disc on the grinding precision of an object is prevented, a first baffle column 8 at the outer end of the shaft sleeve;
a first bumping post 8 is fixed on one side of the shaft sleeve 7, an internal thread 9 is arranged in the shaft sleeve 7, a thread head 10 is connected to the lower end of the shaft sleeve 7, the structural size of an outer opening of the thread head 10 is matched with that of an inner opening of the shaft sleeve 7, a core rod 11 forms a fixed structure with the shaft sleeve 7 through the internal thread 9 and the thread head 10, the thread head 10 with the matched structural size is connected with the internal thread 9 in the shaft sleeve 7, the core rod 11 integrated with the thread head 10 is fixed with the shaft sleeve 7, the firmness degree of the shaft sleeve 7 is increased, the sleeve 11 is limited by the shaft sleeve 7, the sleeve is prevented from falling off, the shaft sleeve 7 which is fixedly connected can be disassembled in a direction conforming to the thread head 10, and the sleeve which is machined and ground can be conveniently disassembled;
The working principle is as follows: for the positioning device which facilitates the grinding of the outer edge of the sleeve, firstly, the shaft sleeve 7 is screwed down along with the threaded head 10, the threaded head 10 with the matched structure size is mutually connected with the internal thread 9 in the shaft sleeve 7, so that the core rod 11 integrated with the threaded head 10 and the shaft sleeve 7 are mutually fixed, the firmness degree of the shaft sleeve 7 is increased, the shaft sleeve 7 limits the sleeve arranged on the core rod 11 to prevent the sleeve from falling off, then the sleeve is arranged on the core rod 11, then the shaft sleeve 7 is screwed up to be locked, the shaft sleeve 7 is limited and arranged in the inner disc 6, the bottom shaft 13 at the other end of the core rod 11 is connected with another fixed disc of an external grinding machine, the whole positioning device is clamped and aligned, the first retaining column 8 and the second retaining column 15 which are welded and integrated with the shaft sleeve 7 and the bottom shaft 13 can mutually contact with the stud 5 to prevent the positioning device from moving, and the welding integrated second retaining column, the integral performance is good, the connection firmness between the two is increased, the welding integrated structure can lead the two to act together when in bearing and pressure resistance, the stress is balanced, the pressure resistance of the second retaining post 15 is increased, the use effect is improved, and the threaded stud 5 is firmly connected with the connecting nut 4, the installation is stable, the support to the first retaining column 8 can be ensured, the whole positioning device is prevented from sliding in the processing work to influence the grinding effect of the outer edge of the sleeve, meanwhile, the connecting arm 3 fixedly connected is tightly connected with the connecting nut 4 to increase the mounting stability of the stud 5, then the cylindrical grinding machine is started to process the sleeve, the whole positioning device is taken down after the final processing, the shaft sleeve 7 is detached in accordance with the direction of the thread head 10, the sleeve which is machined and ground is disassembled and taken, so that the whole using process of the positioning device which is convenient for grinding the outer edge of the sleeve is completed.
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. The utility model provides a make things convenient for positioner of grinding of sleeve outer fringe, includes external fixation dish (1) and plug (11), its characterized in that: the right upper end of the outer fixed disc (1) is connected with a locking shaft (2), a connecting arm (3) is arranged on the outer side of the locking shaft (2), the connecting arm (3) is connected with the stud (5) through a connecting nut (4), a stud (5) is arranged in the middle of the top end of the connecting arm (3), an inner disc (6) is connected in the middle of the outer fixed disc (1), a shaft sleeve (7) is attached to the inner part of the inner disc (6), a first baffle column (8) is fixed on one side of the shaft sleeve (7), an internal thread (9) is arranged in the shaft sleeve (7), the lower end of the shaft sleeve (7) is connected with a thread head (10), the core rod (11) is fixed at the lower end of the thread head (10), and the lower end of the core rod (11) is provided with a lock nut (12), the lower end of the lock nut (12) is fixed with a bottom shaft (13), and the middle part of the bottom shaft (13) is connected with a locking valve (14), and one side of the bottom shaft (13) is provided with a second retaining column (15).
2. The positioning device for facilitating grinding of the outer edge of the sleeve as claimed in claim 1, wherein: linking arm (3) constitute flip structure through locking axle (2) and outer fixed disk (1), and linking arm (3) are parallel distribution with outer fixed disk (1).
3. The positioning device for facilitating grinding of the outer edge of the sleeve as claimed in claim 1, wherein: the stud (5) is screwed with the connecting nut (4) in a thread manner, and the connecting arm (3) is fixedly connected with the connecting nut (4).
4. The positioning device for facilitating grinding of the outer edge of the sleeve as claimed in claim 1, wherein: the outer end connecting surface of the shaft sleeve (7) is attached to the inner wall connecting surface of the inner disc (6) mutually, and the central axis of the shaft sleeve (7) and the central axis of the inner disc (6) are positioned on the same horizontal line.
5. The positioning device for facilitating grinding of the outer edge of the sleeve as claimed in claim 1, wherein: the structure size of the outer opening of the threaded head (10) is matched with the structure size of the inner opening of the shaft sleeve (7), and the core rod (11) forms a fixed structure with the shaft sleeve (7) through the internal thread (9) and the threaded head (10).
6. The positioning device for facilitating grinding of the outer edge of the sleeve as claimed in claim 1, wherein: the second retaining column (15) and the first retaining column (8) are distributed in parallel, and the second retaining column (15) and the bottom shaft (13) are of a welding integrated structure.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202021558753.1U CN212824738U (en) | 2020-07-31 | 2020-07-31 | Positioning device convenient for grinding outer edge of sleeve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202021558753.1U CN212824738U (en) | 2020-07-31 | 2020-07-31 | Positioning device convenient for grinding outer edge of sleeve |
Publications (1)
Publication Number | Publication Date |
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CN212824738U true CN212824738U (en) | 2021-03-30 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202021558753.1U Active CN212824738U (en) | 2020-07-31 | 2020-07-31 | Positioning device convenient for grinding outer edge of sleeve |
Country Status (1)
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CN (1) | CN212824738U (en) |
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2020
- 2020-07-31 CN CN202021558753.1U patent/CN212824738U/en active Active
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