CN218556673U - Drill point clamping and rotating double-combination chuck - Google Patents
Drill point clamping and rotating double-combination chuck Download PDFInfo
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- CN218556673U CN218556673U CN202222870656.1U CN202222870656U CN218556673U CN 218556673 U CN218556673 U CN 218556673U CN 202222870656 U CN202222870656 U CN 202222870656U CN 218556673 U CN218556673 U CN 218556673U
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Abstract
The utility model belongs to the technical field of machine parts, a drill point clamping and rotating double-combination chuck is disclosed, which comprises an outer barrel, wherein an inner barrel is rotatably arranged in the outer barrel, bearings are arranged on two sides of the inner barrel in the outer barrel, a backstop block is connected with the outer barrel through threads, and the inner barrel is blocked in the outer barrel by the backstop block; the inner cylinder is provided with an air groove, the air groove is uniformly provided with a plurality of air holes communicated with the interior of the inner cylinder, the end part of the inner cylinder is provided with a conical groove, a tension rod is slidably arranged in the inner cylinder, the section of the tension rod is T-shaped, a spring is connected between the tension rod and the inner cylinder, and the tension rod is in threaded connection with an elastic chuck positioned in the inner cylinder; inner tube threaded connection has sealing screw, the backstop is equipped with the position and corresponds the air cock of gas pocket, the utility model discloses reached and need not to use manpower or mounting just to realize the quick replacement's of drill point purpose, do not cause the interference in the rotation moreover.
Description
Technical Field
The utility model belongs to the technical field of machine parts, concretely relates to drill point presss from both sides tight rotatory double-binding chuck.
Background
The existing clamping chuck used on the full-automatic grinding machine needs to be loosened by a tool at a fixed position, the chuck can be jacked open by using manual force, and then the clamped drill point is taken out, otherwise, the drill point can be fixed by using other workpiece supports or using a thumbscrew, so that the drill point normally rotates;
based on the above, the applicant considers that the replacement of the drill point is troublesome, so the technical problem to be solved by the application is to use a structure to realize the quick replacement of the drill point and ensure the replaced drill point to normally rotate.
SUMMERY OF THE UTILITY MODEL
To the problem that the above-mentioned background art provided, the utility model aims at: aims to provide a drill point clamping and rotating double-combination chuck.
In order to realize the technical purpose, the utility model discloses a technical scheme as follows:
a drill point clamping and rotating double-combination chuck comprises an outer barrel, wherein an inner barrel is rotatably arranged in the outer barrel, bearings are arranged on two sides of the inner barrel in the outer barrel, the outer barrel is in threaded connection with a rear stop block, and the inner barrel is stopped in the outer barrel by the rear stop block;
the inner cylinder is provided with an air groove, the air groove is uniformly provided with a plurality of air holes communicated with the interior of the inner cylinder, the end part of the inner cylinder is provided with a conical groove, a tension rod is slidably arranged in the inner cylinder, the section of the tension rod is T-shaped, a spring is connected between the tension rod and the inner cylinder, and the tension rod is in threaded connection with an elastic chuck positioned in the inner cylinder;
the elastic chuck comprises a threaded cylinder, the threaded cylinder is connected with a plurality of clamping pieces, a gap exists between every two adjacent clamping pieces, the clamping pieces have outward-expanding conicity, and the clamping pieces are positioned in the conical grooves;
the inner cylinder is in threaded connection with a sealing screw, and the rear stop block is provided with an air tap corresponding to the air hole in position.
Further inject, the inner tube in the gas tank both sides are equipped with the seal groove, install the sealing washer in the seal groove, such design is sealed to the gas tank both sides, guarantees that the gas of air cock can get into the inner tube completely, plays the purpose that promotes the tension rod.
Further inject, when the spring stretches out completely, the tightening rod does not shield the air hole, and the design prevents the problem that the air nozzle can not enter the air into the inner cylinder through the air hole.
Further inject, install the sealing member between the straining rod and the inner tube inner wall, the leakproofness is guaranteed to such a design, guarantees the promotion effect of atmospheric pressure to the straining rod.
Further inject, adjacent two clamping piece contained angle root is equipped with the round hole, and such design guarantees that when the clamping piece removed, two adjacent clamping pieces can not appear interfering the problem.
Adopt the beneficial effects of the utility model:
the utility model discloses fix the urceolus, then connect power equipment and inner tube, just can realize installing the rotation of the drill point on the inner tube, and just can realize the removal of straining rod in the inner tube through receiving and releasing gas to the air cock to under the spacing effect of bell jar, realize opening and tightening up of clamping piece, and then reach the clamp tight and loosen of the drill point of placing between the clamping piece, namely, reached and need not to use manpower or mounting just to realize the quick replacement's of drill point the purpose, and do not cause the interference in the rotation;
the utility model discloses a clamping mode can make the drill point press from both sides tightly in the optional position of clamping piece length region, and then has reached the purpose that length was used in convenient regulation drill point installation, has strengthened the suitability for the mounting method of drill point rigidity among the prior art.
Drawings
The present invention can be further illustrated by the non-limiting examples given in the accompanying drawings;
FIG. 1 is a schematic structural view of an embodiment of a drill point clamping and rotating dual-combination chuck of the present invention;
FIG. 2 is a schematic view of an inner cylinder structure of an embodiment of a drill point clamping and rotating dual-combination chuck of the present invention;
FIG. 3 is a schematic cross-sectional view of an inner barrel of an embodiment of a drill point clamping and rotating dual-combination chuck according to the present invention;
fig. 4 is a schematic structural view of an elastic chuck according to an embodiment of the present invention;
FIG. 5 is a schematic cross-sectional view of an elastic chuck according to an embodiment of the present invention;
the main component symbols are as follows:
an outer cylinder 1;
an inner cylinder 2; an air tank 21; a seal groove 211; a seal ring 212; an air hole 22; a tapered groove 23; a tension bar 24; a seal 241;
a bearing 3; a rear stopper 4;
a collet 5; a threaded barrel 51; a clip 52; a circular hole 521;
a seal screw 6; and an air nozzle 7.
Detailed Description
In order to make the present invention better understood by those skilled in the art, the technical solutions of the present invention are further described below with reference to the accompanying drawings and examples.
As shown in fig. 1 to 5, the drill point clamping and rotating double-combination chuck of the present invention comprises an outer cylinder 1, an inner cylinder 2 is rotatably installed inside the outer cylinder 1, bearings 3 are installed inside the outer cylinder 1 on both sides of the inner cylinder 2, a rear stop block 4 is connected to the outer cylinder 1 through a thread, and the inner cylinder 2 is stopped inside the outer cylinder 1 by the rear stop block 4;
the inner cylinder 2 is provided with an air groove 21, the air groove 21 is uniformly provided with a plurality of air holes 22 communicated with the inside of the inner cylinder 2, the end part of the inner cylinder 2 is provided with a conical groove 23, a tension rod 24 is slidably arranged in the inner cylinder 2, the section of the tension rod 24 is T-shaped, a spring 25 is connected between the tension rod 24 and the inner cylinder 2, and the tension rod 24 is in threaded connection with an elastic chuck 5 positioned in the inner cylinder 2;
the elastic chuck 5 comprises a threaded cylinder 51, the threaded cylinder 51 is connected with a plurality of clamping pieces 52, a gap exists between every two adjacent clamping pieces 52, the clamping pieces 52 have outward-expanding conicity, and the clamping pieces 52 are positioned in the conical grooves 23;
the inner cylinder 2 is connected with a sealing screw 6 in a threaded manner, and the rear stop block 4 is provided with an air nozzle 7 corresponding to the air hole 22 in position.
In this embodiment, when a drill bit is used to clamp and rotate the dual-combination chuck, the power device is connected to the end of the inner cylinder 2 to achieve the purpose of rotation, under the effect of the bearing 3, the outer cylinder 1 only limits the position of the inner cylinder 2 without rotation limitation, stops supplying air to the air nozzle 7, and under the effect of the spring 25 or sucking air to the air nozzle 7, the tensioning rod 24 can move in the direction away from the installation position of the drill bit, so that the clamping piece 52 of the elastic chuck 5 contracts under the block of the tapered groove 23, and the drill bit is clamped, and in such a clamping manner, the clamping position of the drill bit is not fixed, so that the length of the drill bit can be changed arbitrarily, thereby ensuring the adaptability of the drill bit, otherwise, when supplying air to the air nozzle 7, the air passes through the air hole 22 to the inside of the inner cylinder 2, under the effect of air pressure, the tensioning rod 24 moves in the direction of the drill bit, and pushes the elastic chuck 5 to move outwards, so that the clamping piece 52 is opened, and the drill bit can be taken down conveniently and quickly.
Preferably, the inner cylinder 2 is provided with sealing grooves 211 at both sides of the air groove 21, and the sealing rings 212 are installed in the sealing grooves 211, so that both sides of the air groove 21 are sealed, and it is ensured that the air of the air nozzle 7 can completely enter the inner cylinder 2 to achieve the purpose of pushing the tightening rod 24, and in fact, the sealing measures can also be considered according to specific situations.
Preferably, when spring 25 is fully stretched and opened, tightening rod 24 does not shield air hole 22, and such design prevents the problem that air cock 7 can't admit air into inner tube 2 through air hole 22 from occurring, and in fact, the position of tightening rod 24 when spring 25 is fully stretched and opened can also be considered according to specific situations.
Preferably, a sealing element 241 is arranged between the tension rod 24 and the inner wall of the inner cylinder 2, and by adopting the design, the sealing performance is ensured, the pushing effect of air pressure on the tension rod is ensured, and actually, the selection of the sealing element 241 can be considered according to specific conditions.
Preferably, the root of the included angle between two adjacent clamping pieces 52 is provided with a circular hole 521, and such design ensures that when the clamping pieces 52 move, the interference problem cannot occur between two adjacent clamping pieces 52, and actually, the structure that the interference problem cannot occur between two adjacent clamping pieces 52 can be considered according to specific situations.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (5)
1. The utility model provides a drill point presss from both sides tight rotatory double joint chuck, includes urceolus (1), its characterized in that: an inner cylinder (2) is rotatably arranged in the outer cylinder (1), bearings (3) are arranged on two sides of the inner cylinder (2) in the outer cylinder (1), the outer cylinder (1) is in threaded connection with a rear stop block (4), and the rear stop block (4) stops the inner cylinder (2) in the outer cylinder (1);
the inner cylinder (2) is provided with an air groove (21), the air groove (21) is uniformly provided with a plurality of air holes (22) communicated with the inside of the inner cylinder (2), the end part of the inner cylinder (2) is provided with a conical groove (23), a tension rod (24) is slidably mounted in the inner cylinder (2), the section of the tension rod (24) is T-shaped, a spring (25) is connected between the tension rod (24) and the inner cylinder (2), and the tension rod (24) is in threaded connection with an elastic chuck (5) positioned in the inner cylinder (2);
the elastic chuck (5) comprises a threaded cylinder (51), the threaded cylinder (51) is connected with a plurality of clamping pieces (52), a gap exists between every two adjacent clamping pieces (52), the clamping pieces (52) have outward-expanding conicity, and the clamping pieces (52) are located in the conical grooves (23);
the inner cylinder (2) is in threaded connection with a sealing screw (6), and the rear stop block (4) is provided with an air tap (7) of which the position corresponds to the air hole (22).
2. The drill-pin clamping and rotating double-combination chuck as claimed in claim 1, wherein: inner tube (2) in gas groove (21) both sides are equipped with seal groove (211), install sealing washer (212) in seal groove (211).
3. The drill-pin clamping and rotating double-combination chuck as claimed in claim 2, wherein: when the spring (25) is fully expanded, the tightening rod (24) does not shield the air hole (22).
4. A drill-pin clamping rotary double union chuck according to claim 3, wherein: and a sealing element (241) is arranged between the tension rod (24) and the inner wall of the inner cylinder (2).
5. The drill-pin clamping rotary double-combination chuck according to claim 4, wherein: the root of the included angle of two adjacent clamping pieces (52) is provided with a round hole (521).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222870656.1U CN218556673U (en) | 2022-10-28 | 2022-10-28 | Drill point clamping and rotating double-combination chuck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222870656.1U CN218556673U (en) | 2022-10-28 | 2022-10-28 | Drill point clamping and rotating double-combination chuck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218556673U true CN218556673U (en) | 2023-03-03 |
Family
ID=85318408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222870656.1U Active CN218556673U (en) | 2022-10-28 | 2022-10-28 | Drill point clamping and rotating double-combination chuck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218556673U (en) |
-
2022
- 2022-10-28 CN CN202222870656.1U patent/CN218556673U/en active Active
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