CN214769437U - End face countersink - Google Patents

End face countersink Download PDF

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Publication number
CN214769437U
CN214769437U CN202121388013.2U CN202121388013U CN214769437U CN 214769437 U CN214769437 U CN 214769437U CN 202121388013 U CN202121388013 U CN 202121388013U CN 214769437 U CN214769437 U CN 214769437U
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CN
China
Prior art keywords
countersink
quick
change
connecting base
base
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Active
Application number
CN202121388013.2U
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Chinese (zh)
Inventor
王斌
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Loudi Fushite Hydraulic Machinery Co ltd
Original Assignee
Loudi Fushite Hydraulic Machinery Co ltd
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Publication date
Application filed by Loudi Fushite Hydraulic Machinery Co ltd filed Critical Loudi Fushite Hydraulic Machinery Co ltd
Priority to CN202121388013.2U priority Critical patent/CN214769437U/en
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Publication of CN214769437U publication Critical patent/CN214769437U/en
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Abstract

The utility model relates to a terminal surface countersink, including the screw spindle, the suit is at the epaxial quick change countersink head of screw spindle, connection base and nut in proper order, wherein: the quick-change counter bit is characterized in that the bottom end of the threaded mandrel is provided with an external thread matched with the aperture of a workpiece to be counter-sunk, the quick-change counter bit is detachably assembled at the bottom end of the connecting base, the outer wall of the connecting base is provided with at least two force applying rods, a thrust ball bearing is arranged between the connecting base and the threaded mandrel, and the nut locks the connecting base and the quick-change counter bit on the threaded mandrel. The utility model discloses simple structure, easy maintenance, cleanness to can change threaded spindle and quick change countersink according to the work piece needs, with satisfying different model work piece production requirements, strong adaptability, convenient operation.

Description

End face countersink
Technical Field
The utility model relates to a machine parts machine tooling technical field indicates a terminal surface countersink very much.
Background
The countersink is a processing tool for scraping the end face of a hole processed on a workpiece or cutting a conical and cylindrical counter bore. In the field of production and processing of heavy hydraulic valve blocks, sealing of threaded joints is always the most important link in valve block processing, and for ultra-large valve blocks and products related to pipeline connection, because of limited processing equipment sites, the processed threads are not perpendicular to the plane where the threads are located, oil leakage is caused, and extremely high potential safety hazards exist.
However, in the improvement of the countersink, the problem of tool wear replacement is mostly solved, for example, a tool for countersinking a hydraulic valve block oil port disclosed in CN 207138889U; the method aims at the problem that the service life of a cutter is influenced by easy accumulated chips during cutting, such as the problem that a cutter for counterboring is reamed at an oil port of a hydraulic valve block disclosed in CN 204135420U. Few countersinks which are simple to operate and convenient to use and can be applied to countersinking the connecting end surfaces of large valve block workpieces are available.
Disclosure of Invention
The utility model aims at improving and innovating the defects and the problems existing in the background technology and providing an end face countersink.
The technical scheme of the utility model be one kind construct including the screw spindle, the suit is at the terminal surface countersink of the epaxial quick change countersink head of screw spindle, connection base and nut in proper order, wherein: the quick-change counter bit is characterized in that the bottom end of the threaded mandrel is provided with an external thread matched with the aperture of a workpiece to be counter-sunk, the quick-change counter bit is detachably assembled at the bottom end of the connecting base, the outer wall of the connecting base is provided with at least two force applying rods, a thrust ball bearing is arranged between the connecting base and the threaded mandrel, and the nut locks the connecting base and the quick-change counter bit on the threaded mandrel.
In one embodiment, the threaded mandrel, the quick-change countersink, the connecting base, the reinforcing rod, the thrust ball bearing and the nut are of detachable assembled structures. Each component part adopts a detachable structure, so that the easily damaged part is convenient to store, transport and replace; meanwhile, the assembly structure is simple, and the production efficiency cannot be influenced during use.
In one embodiment, the bottom end of the quick-change countersink is fixedly provided with a blade. The quick-change countersink tool bit with different blades can be selected and replaced according to actual processing and production requirements, the blades are fixedly arranged on the countersink tool bit in a welding mode, and the safety and effectiveness of production can be better guaranteed.
In one embodiment, the quick-change countersink is in clamping groove type connection with the connecting base, a groove is formed in the top surface of the quick-change countersink, and a clamping groove corresponding to the groove is formed in the bottom surface of the connecting base. The clamping structure is simple, the purpose of quickly replacing countersinks with different diameters can be achieved, and the production efficiency is ensured.
In one embodiment, the inner wall of the top surface of the connecting base is provided with a bearing mounting table, and the thrust ball bearing is clamped between the connecting base and the threaded mandrel through the mounting table. Make the thrust ball bearing after clamping and connect the base integrated through setting up the mount table, not only the assembly is pleasing to the eye, still fine down the combined action of nut and mount table spacing thrust ball bearing, stability and security when having ensured the countersink and using.
In one embodiment, the connection base is fixedly inserted with the stress application rod, the connection base is provided with a jack, and one end of the stress application rod is provided with a plug matched with the jack. The connecting structure of the jack and the plug is adopted, so that the stress application rod is more convenient and quicker to disassemble and assemble and is also convenient to carry.
The utility model has the advantages and beneficial effect:
the utility model discloses a screw thread dabber with treat the ream work piece and be connected for the epaxial quick change ream tool bit of screw thread dabber and the contact of work piece connecting hole terminal surface, then promote afterburning pole through external force and drive tool bit and connecting hole terminal surface formation cutting state, and then make the connecting end plane reach qualified requirement, effectively avoided the leakage phenomenon of link. The countersink can countersink threaded connection holes in the ultra-large valve block and equipment and the plane where the threaded connection holes are located, the perpendicularity of the threaded holes and the plane where the threaded connection holes are located is guaranteed, the countersink is simple to operate, the efficiency and the qualified rate of finished products are improved, and the operation safety performance is also improved. The utility model discloses simple structure, easy maintenance, cleanness to can change threaded spindle and quick change countersink according to the work piece needs, with satisfying different model work piece production requirements, strong adaptability, convenient operation.
Drawings
Fig. 1 is a schematic view of a three-dimensional structure of the present invention.
Fig. 2 is a schematic view of the three-dimensional structure of the present invention.
Fig. 3 is a schematic view of the main view half-section structure of the utility model.
Fig. 4 is a schematic structural diagram of an implementation state of the first threaded mandrel of the present invention.
Fig. 5 is a schematic structural view of another embodiment of the threaded mandrel of the present invention.
Fig. 6 is a schematic view of the connection base structure of the present invention.
Fig. 7 is a schematic view of the first implementation state of the quick-change countersink head of the present invention.
Fig. 8 is a schematic view of another implementation state structure of the quick-change countersink.
Description of the figures:
1. the quick-change counter bit comprises a force applying rod, 2 parts of a connecting base, 2-1 parts of a clamping groove, 2-2 parts of a jack, 3 parts of a nut, 4 parts of a thrust ball bearing, 5 parts of a quick-change counter bit, 5-1 parts of a groove, 6 parts of a blade, 7 parts of a threaded mandrel.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "disposed" or "connected" to another element, it can be directly disposed or connected to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description presented herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
As shown in fig. 1 to 3, the countersink comprises a threaded mandrel 7, a quick-change countersink bit 5, a connecting base 2 and a nut 3, wherein the quick-change countersink bit 5, the connecting base and the nut are sequentially sleeved on the threaded mandrel 1. Wherein: the bottom end of the threaded mandrel 7 is provided with an external thread which is matched with the aperture of a workpiece to be reamed. The quick-change countersink tool bit 5 is detachably assembled at the bottom end of the connecting base 2, and a blade 6 is fixedly arranged at the bottom end of the quick-change countersink tool bit 5. Two force applying rods 1 are symmetrically arranged on the outer wall of the connecting base 2, and a thrust ball bearing 4 is arranged between the connecting base 2 and the threaded mandrel 7. The nut 3 locks the connecting base 2 and the quick-change countersink 5 on the threaded mandrel 7. The threaded mandrel 7, the quick-change countersink tool bit 5, the connecting base 2, the stress application rod 1, the thrust ball bearing 4 and the nut 3 are of detachable assembled structures.
Specifically, as shown in fig. 3, 6, 7 and 8, the quick-change countersink 5 is connected with the connecting base 2 in a clamping groove manner, a groove 5-1 is formed in the top surface of the quick-change countersink 5, and a clamping groove 2-1 corresponding to the groove 5-1 is formed in the bottom surface of the connecting base 2.
Specifically, as shown in fig. 3, a bearing mounting table (not labeled) is disposed on an inner wall of a top surface of the connection base 2, and the thrust ball bearing 4 is clamped between the connection base 2 and the threaded spindle 7 through the bearing mounting table.
Specifically, as shown in fig. 3 and 6, the connection base 2 is fixedly inserted into the stress application rod 1, the connection base 2 is provided with a jack 2-2, and one end of the stress application rod 1 is provided with a plug 1-1 adapted to the jack 2-2.
The utility model discloses structural principle:
the end face countersink mainly comprises a force applying rod 1, a connecting base 2, a nut 3, a thrust ball bearing 4, a quick-change countersink bit 5, a blade 6, a threaded mandrel 7 and other parts. Wherein: the connecting base 2 is designed to be a clamping groove type, and countersinks with different diameters can be replaced quickly, as shown in fig. 7 and 8. The quick-change countersink 5 can be divided into different diameters, and different countersinks correspond to different quick-change countersink. The threaded mandrel 7 can be quickly disassembled and replaced, and the threads of different types correspond to mandrels of different specifications, as shown in fig. 4 and 5. The blade 6 is welded at the head part of the quick-change countersink, and can be replaced in time when the blade is worn to a certain degree. The stress application rod 1 is fixed on the side surface of the connecting base, can be detached and is convenient to carry.
The utility model discloses the theory of operation:
during operation, the threaded core shaft 7 is twisted into a threaded hole corresponding to a workpiece to be processed by using a fixed wrench for fixing, and then the quick-change countersink 5 adapting to the size of the corresponding countersunk head is placed. And then the connecting base 2 is installed, and the clamping groove on the connecting base 2 corresponds to the groove on the quick-change countersink 5. And then installing a thrust ball bearing 4, finally locking a nut 3, and clockwise pushing the stress application rod 1 to enable the blade 6 and the uneven countersunk hole to form a cutting state until the plane is reamed.
The embodiments of the present invention are only descriptions of the preferred embodiments of the present invention, not right the present invention is designed and limited, without departing from the design concept of the present invention, the technical personnel in the field should fall into the protection scope of the present invention for various modifications and improvements made by the technical solution of the present invention, and the technical contents of the present invention are all recorded in the claims.

Claims (6)

1. The utility model provides an end face countersink, its characterized in that includes the screw spindle, and the suit is at the epaxial quick change countersink head of screw spindle, connection base and nut in proper order, wherein:
the quick-change counter bit is characterized in that the bottom end of the threaded mandrel is provided with an external thread matched with the aperture of a workpiece to be counter-sunk, the quick-change counter bit is detachably assembled at the bottom end of the connecting base, the outer wall of the connecting base is provided with at least two force applying rods, a thrust ball bearing is arranged between the connecting base and the threaded mandrel, and the nut locks the connecting base and the quick-change counter bit on the threaded mandrel.
2. The end countersink according to claim 1, wherein the threaded spindle, the quick-change countersink, the connecting base, the force applying rod, the thrust ball bearing, and the nut are detachable assembled structures.
3. The end countersink of claim 1, wherein a blade is fixedly disposed at a bottom end of said quick-change countersink.
4. The end countersink according to any one of claims 1 through 3, wherein the quick-change countersink is engaged with the engagement base in a snap-fit manner, a groove is formed on a top surface of the quick-change countersink, and a snap-fit groove corresponding to the groove is formed on a bottom surface of the engagement base.
5. The end countersink according to any one of claims 1 through 3, wherein a bearing mount is provided on an inner wall of a top surface of the connecting base, and the thrust ball bearing is engaged between the connecting base and the threaded spindle through the bearing mount.
6. The end countersink according to any one of claims 1-3, wherein the connecting base is fixed to the stress beam by inserting, the connecting base is provided with a jack, and one end of the stress beam is provided with a plug corresponding to the jack.
CN202121388013.2U 2021-06-22 2021-06-22 End face countersink Active CN214769437U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121388013.2U CN214769437U (en) 2021-06-22 2021-06-22 End face countersink

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121388013.2U CN214769437U (en) 2021-06-22 2021-06-22 End face countersink

Publications (1)

Publication Number Publication Date
CN214769437U true CN214769437U (en) 2021-11-19

Family

ID=78714075

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121388013.2U Active CN214769437U (en) 2021-06-22 2021-06-22 End face countersink

Country Status (1)

Country Link
CN (1) CN214769437U (en)

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