CN210255375U - A strengthen protection architecture for high-speed steel drill bit hookup location - Google Patents
A strengthen protection architecture for high-speed steel drill bit hookup location Download PDFInfo
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- CN210255375U CN210255375U CN201920808231.3U CN201920808231U CN210255375U CN 210255375 U CN210255375 U CN 210255375U CN 201920808231 U CN201920808231 U CN 201920808231U CN 210255375 U CN210255375 U CN 210255375U
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- plate body
- drill bit
- connecting plate
- positioning
- speed steel
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Abstract
The utility model relates to a strengthen protection architecture for high-speed steel drill bit hookup location, strengthen protection architecture and include the front cover body and the back cover body that match each other, the front cover body includes the preceding protective sleeve who connects gradually from the front to back, preceding connecting plate body, and preceding locating sleeve, equidistant radial outside protrusion is provided with preceding locating blade on the outer wall of preceding locating sleeve, the back cover body includes the back connecting plate body that connects gradually from the front to back, back connecting sleeve, and back installation plate body, equidistant indent is provided with the back positioning groove who matches with preceding locating blade on the preceding terminal surface of back connecting plate body, the rear side of back positioning groove still is provided with back location space, the front end in back location space is provided with the backstop blade, one side in back location space is provided with the backstop rib; effectively protect high-speed steel drill bit and drill bit mount pad in this internal space of strengthening the protection architecture, convenient the change to effectively protect inside high-speed steel drill bit, prolong high-speed steel drill bit's life.
Description
Technical Field
The utility model relates to a strengthen protection device, concretely relates to a strengthen protection architecture for high-speed steel drill bit hookup location.
Background
In the prior art, as a commonly-used drilling tool, a high-speed steel drill bit has the characteristics of high hardness and good strength, and is generally installed in a drill bit installation seat electrically connected with a driving device so as to synchronously rotate along with the driving of the driving device, thereby realizing the technical effect of drilling holes; meanwhile, if the slag generated in the hole opening process is discharged, a part of the discharged slag can enter the connecting position between the high-speed steel drill bit and the drill bit mounting seat, so that the position deviation condition between the drill bit and the drill bit mounting seat can be caused, and after the drill bit is used for a long time, the use safety and the service life of the high-speed steel drill bit can be threatened.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects existing in the prior art, the utility model provides a reinforced protection structure for the connecting position of a high-speed steel drill bit.
The utility model provides a technical scheme that its technical problem adopted is:
the utility model provides a strengthen protection architecture for high-speed steel drill bit hookup location, strengthen protection architecture including the preceding cover body and the back cover body that match each other, its characterized in that: the front cover body comprises a front protective sleeve, a front connecting plate body and a front positioning sleeve which are sequentially connected from front to back, a plurality of front positioning blades are arranged on the outer wall of the front positioning sleeve in a protruding mode in the radial direction at equal intervals, a gap is reserved between each front positioning blade and the rear end face of the front connecting plate body, and the axial size of the gap is equal to the axial size of each front positioning blade; the rear cover body includes from the past to the back connection plate body that connects gradually, back connecting sleeve and back installation plate body equidistant indent is provided with the back positioning groove that a plurality of and preceding location blade match on the preceding terminal surface of back connection plate body the rear side of back positioning groove still is provided with back location space, the axial dimension in back location space equals back positioning groove's axial dimension, back positioning space's radial dimension equals back positioning groove's radial dimension the front end in back location space is provided with the backstop blade one side in back location space is provided with the backstop rib.
Further, the front end of the front protective sleeve is tapered.
Further, each of the front positioning blades is shaped as a sector.
Furthermore, elastic layers are respectively arranged on the front end surface and the rear end surface of each front positioning blade, and each elastic layer is shaped into a sector corresponding to each front positioning blade.
Furthermore, a plurality of front fixing through holes are formed in the circumference of the front connecting plate body at equal intervals, and each front fixing through hole and each front positioning blade are arranged at intervals in the circumferential direction of the front connecting plate body.
Further, each of the stopper vanes is shaped in a sector matching the shape of each of the front positioning vanes.
Furthermore, a plurality of rear fixing through holes matched with the front fixing through holes are arranged on the circumference of the rear connecting plate body at equal intervals.
Furthermore, a plurality of mounting through holes are formed in the circumference of the rear mounting plate body at equal intervals.
Further, the axial dimensions of the front connecting plate body and the rear connecting plate body are equal, and the radial dimensions of the front connecting plate body and the rear connecting plate body are equal.
Further, the radial dimension of the rear mounting plate body is larger than the radial dimensions of the front connecting plate body and the rear connecting plate body.
The utility model has the advantages that:
(1) the utility model provides a strengthen protection architecture for high-speed steel drill bit hookup location effectively protects high-speed steel drill bit and drill bit mount pad in this internal space who strengthens protection architecture for this strengthen protection architecture can bear proruption exogenic action, even there is the damage also can conveniently change, thereby effectively protects inside high-speed steel drill bit, prolongs high-speed steel drill bit's life.
(2) The installation and the disassembly are convenient through a split structure, the axial and the circumferential positioning of the front cover body and the rear cover body are effectively realized through the stop blades and the stop ribs, and the installation and the positioning are accurate.
(3) The possibility that slag is directly ejected and attached to the position between the high-speed steel drill bit and the high-speed steel mounting seat is reduced to a certain extent, so that the use safety and the service life of the high-speed steel drill bit are threatened.
Drawings
FIG. 1 is a schematic structural diagram of a front cover body of a reinforced protection structure for a high-speed steel drill bit connection position according to the present invention;
FIG. 2 is a schematic structural diagram of a rear cover body of a reinforced protection structure for a high-speed steel drill bit connection position according to the present invention;
fig. 3 is an explosion diagram of the reinforced protection structure for the connection position of the high-speed steel drill bit of the present invention.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
As shown in fig. 1-3, a reinforced protection structure for a connection position of a high-speed steel drill bit comprises a front cover body 1 and a rear cover body 2 which are matched with each other, wherein the front cover body 1 comprises a front protection sleeve 1-1, a front connection plate body 1-2 and a front positioning sleeve 1-3 which are sequentially connected from front to back, a plurality of front positioning blades 1-4 are arranged on the outer wall of the front positioning sleeve 1-3 in a protruding mode at equal intervals and radially outwards, an interval is reserved between each front positioning blade 1-4 and the rear end face of the front connection plate body 1-2, and the axial size of the interval is equal to that of the front positioning blades 1-4; the rear cover body 2 comprises a rear connecting plate body 2-1, a rear connecting sleeve 2-2 and a rear mounting plate body 2-3 which are sequentially connected from front to back, a plurality of rear positioning grooves 2-5 matched with the front positioning blades 1-4 are arranged on the front end face of the rear connecting plate body 2-1 in an equidistant concave mode, a rear positioning space 2-4 is further arranged on the rear side of the rear positioning groove 2-5, the axial size of the rear positioning space 2-4 is equal to that of the rear positioning groove 2-5, the radial size of the rear positioning space 2-4 is equal to that of the rear positioning groove 2-5, a stopping blade 2-6 is arranged at the front end of the rear positioning space 2-4, and a stopping rib 2-7 is arranged on one side of the rear positioning space 2-4.
Specifically, the front end of the front protective sleeve 1-1 is set to be conical, so that the front protective sleeve is matched with a high-speed steel drill bit, and the possibility that slag is directly ejected and attached to a position between the high-speed steel drill bit and a high-speed steel mounting seat when a hole is formed, so that the use safety and the service life of the high-speed steel drill bit are threatened is reduced as much as possible.
Specifically, each of the front positioning blades 1 to 4 is formed in a fan shape, thereby facilitating manufacturing molding while ensuring an accurate positioning effect.
Specifically, the front end face and the rear end face of each front positioning blade 1-4 are respectively provided with an elastic layer 1-5, each elastic layer 1-5 is shaped into a fan shape corresponding to each front positioning blade 1-4, so that the front positioning blades 1-4 and the rear positioning spaces 2-4 are tightly attached in the axial direction through the elastic layers 1-5, and even when a fixing piece between the front connecting plate body 1-2 and the rear connecting plate body 2-1 is dismounted, the front cover body 1 and the rear cover body 2 cannot fall off immediately to cause unexpected damage; as a further preference, the elastic layers 1-5 are arranged projecting in the axial direction beyond the front positioning vanes.
Specifically, a plurality of front fixing through holes 1-6 are arranged on the circumference of the front connecting plate body 1-2 at equal intervals, and in the circumferential direction of the front connecting plate body 1-2, each front fixing through hole 1-6 and each front positioning blade 1-4 are arranged at intervals, so that the whole stress of the front connecting plate body 1-2 in the circumferential direction is uniform, and internal defects possibly caused by local stress concentration are avoided.
Specifically, each of the stopper blades 2 to 6 is shaped into a fan shape matched with the shape of each of the front positioning blades 1 to 4, so that the whole front positioning blade 1 to 4 can be covered by each of the stopper blades 2 to 6 when each of the front positioning blades 1 to 4 is positioned in the rear positioning space 2 to 4, and alignment between the front fixing through holes 1 to 6 of the front cover body 1 and the rear fixing through holes 2 to 8 of the rear cover body 2 in the circumferential direction is realized by rotating the front positioning blades 1 to 4 to the rear positioning space 2 to 4 at the rear end of the stopper blades 2 to 6, thereby facilitating positioning and subsequent fixing.
Specifically, a plurality of rear fixing through holes 2-8 matched with the front fixing through holes 1-6 are arranged on the circumference of the rear connecting plate body 2-1 at equal intervals, so that the front cover body 1 and the rear cover body 2 are fixed by penetrating fixing pieces through the front fixing through holes 1-6 and the rear fixing through holes 2-8.
Specifically, a plurality of mounting through holes 2-9 are arranged on the circumference of the rear mounting plate body 2-3 at equal intervals, so that the rear cover body 2 and the drill bit mounting seat are fixedly connected through the fixing pieces penetrating through the mounting through holes 2-9.
Specifically, the axial dimensions of the front connecting plate body 1-2 and the rear connecting plate body 2-1 are equal, and the radial dimensions of the front connecting plate body 1-2 and the rear connecting plate body 2-1 are equal, so that good fitting and fixation between the front cover body 1 and the rear cover body 2 are ensured.
Specifically, the radial dimension of the rear mounting plate body 2-3 is larger than the radial dimensions of the front connecting plate body 1-2 and the rear connecting plate body 2-1, so that the front cover body 1 and the rear cover body 2 can be conveniently distinguished from the appearance while the rear cover body 2 is fixedly connected with the drill bit mounting seat, and the misassembly risk is avoided.
When the fixing device is used specifically, the rear cover body 2 is fixed on a drill bit mounting seat through the mounting through holes 2-9 on the rear mounting plate body 2-3, then a high-speed steel drill bit is mounted on the drill bit mounting seat, then the front cover body 1 is sleeved on the periphery of the high-speed steel drill bit and gradually approaches to the rear cover body 2, the front positioning blades 1-4 of the front cover body 1 axially penetrate through the rear positioning grooves 2-5 of the rear cover body 2 and then enter the rear positioning spaces 2-4, then the front cover body 1 is rotated to enable the front positioning blades 1-4 to be positioned in the rear positioning spaces 2-4 at the rear ends of the stop blades 2-6 and realize circumferential positioning through the stop ribs 2-7, then the fixing piece penetrates through the front fixing through holes 1-6 and the rear fixing through holes 2-8 to realize the fixing between the front cover body 1 and the rear cover body 2, when the high-speed steel drill bit is arranged on the drill bit mounting seat and is rotated to open a hole, the reinforced protection structure synchronously rotates along with the drill bit mounting seat, so that the high-speed steel drill bit positioned in the reinforced protection structure is effectively protected, and the service life of the high-speed steel drill bit is prolonged; when the damage exists, only the reinforced protection structure needs to be replaced, so that the cost is reduced; in addition, the slag can be directly ejected and attached to the position between the high-speed steel drill bit and the high-speed steel mounting seat, and therefore the threats to the use safety and the service life of the high-speed steel drill bit are reduced.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. The utility model provides a strengthen protection architecture for high-speed steel drill bit hookup location, strengthen protection architecture including the preceding cover body (1) and the back cover body (2) that match each other, its characterized in that: the front cover body (1) comprises a front protective sleeve (1-1), a front connecting plate body (1-2) and a front positioning sleeve (1-3), wherein the front protective sleeve (1-1), the front connecting plate body (1-2) and the front positioning sleeve (1-3) are sequentially connected from front to back, a plurality of front positioning blades (1-4) are arranged on the outer wall of the front positioning sleeve (1-3) in a protruding mode in the radial direction at equal intervals, an interval is reserved between each front positioning blade (1-4) and the rear end face of the front connecting plate body (1-2), and the axial size of the interval is equal to that of the front positioning blades (1-4; the rear cover body (2) comprises a rear connecting plate body (2-1), a rear connecting sleeve (2-2) and a rear mounting plate body (2-3), which are sequentially connected from front to rear, a plurality of rear positioning grooves (2-5) matched with the front positioning blades (1-4) are arranged on the front end surface of the rear connecting plate body (2-1) in an equidistant concave manner, a rear positioning space (2-4) is further arranged on the rear side of the rear positioning grooves (2-5), the axial size of the rear positioning space (2-4) is equal to the axial size of the rear positioning grooves (2-5), the radial size of the rear positioning space (2-4) is equal to the radial size of the rear positioning grooves (2-5), and stop blades (2-6) are arranged at the front ends of the rear positioning spaces (2-4), one side of the rear positioning space (2-4) is provided with a stop rib (2-7).
2. A reinforced protective structure for a high speed steel drill bit connection site according to claim 1, wherein: the front end of the front protective sleeve (1-1) is tapered.
3. A reinforced protective structure for a high speed steel drill bit connection site according to claim 1, wherein: each of the front positioning blades (1-4) is shaped like a sector.
4. A reinforced protective structure for a high speed steel drill bit connection site according to claim 3, wherein: elastic layers (1-5) are respectively arranged on the front end face and the rear end face of each front positioning blade (1-4), and each elastic layer (1-5) is shaped into a sector corresponding to each front positioning blade (1-4).
5. A reinforced protective structure for a high speed steel drill bit connection site according to claim 1, wherein: a plurality of front fixing through holes (1-6) are arranged on the circumference of the front connecting plate body (1-2) at equal intervals, and in the circumferential direction of the front connecting plate body (1-2), each front fixing through hole (1-6) and each front positioning blade (1-4) are arranged at intervals.
6. A reinforced protective structure for a high speed steel drill bit connection site according to claim 4, wherein: each stop blade (2-6) is shaped as a sector matching the shape of each front positioning blade (1-4).
7. A reinforced protective structure for a high speed steel drill bit connection site according to claim 5, wherein: a plurality of rear fixing through holes (2-8) matched with the front fixing through holes (1-6) are arranged on the circumference of the rear connecting plate body (2-1) at equal intervals.
8. A reinforced protective structure for a high speed steel drill bit connection site according to claim 1, wherein: a plurality of mounting through holes (2-9) are arranged on the circumference of the rear mounting plate body (2-3) at equal intervals.
9. A reinforced protective structure for a high speed steel drill bit connection site according to claim 1, wherein: the axial sizes of the front connecting plate body (1-2) and the rear connecting plate body (2-1) are equal, and the radial sizes of the front connecting plate body (1-2) and the rear connecting plate body (2-1) are equal.
10. A reinforced protective structure for a high speed steel drill bit connection site according to claim 9, wherein: the radial dimension of the rear mounting plate body (2-3) is larger than the radial dimensions of the front connecting plate body (1-2) and the rear connecting plate body (2-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920808231.3U CN210255375U (en) | 2019-05-30 | 2019-05-30 | A strengthen protection architecture for high-speed steel drill bit hookup location |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920808231.3U CN210255375U (en) | 2019-05-30 | 2019-05-30 | A strengthen protection architecture for high-speed steel drill bit hookup location |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210255375U true CN210255375U (en) | 2020-04-07 |
Family
ID=70039783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920808231.3U Expired - Fee Related CN210255375U (en) | 2019-05-30 | 2019-05-30 | A strengthen protection architecture for high-speed steel drill bit hookup location |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210255375U (en) |
-
2019
- 2019-05-30 CN CN201920808231.3U patent/CN210255375U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200407 |
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| CF01 | Termination of patent right due to non-payment of annual fee |