CN215789578U - Dismounting device of handle of a knife blind rivet - Google Patents
Dismounting device of handle of a knife blind rivet Download PDFInfo
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- CN215789578U CN215789578U CN202121853113.8U CN202121853113U CN215789578U CN 215789578 U CN215789578 U CN 215789578U CN 202121853113 U CN202121853113 U CN 202121853113U CN 215789578 U CN215789578 U CN 215789578U
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Abstract
The utility model provides a dismounting device for a knife handle blind rivet, and belongs to the technical field of machining tools. The dismounting device comprises a flange plate, an annular stop block and a sleeve which are sequentially arranged, the flange plate is connected with the sleeve through bolts, one end face of the annular stop block is attached to the flange plate, and the other end face of the annular stop block is arranged in the sleeve. The dismounting device has the advantages of simple overall structure, wide material sources, easy processing and manufacturing, convenient and simple dismounting, and capability of quickly dismounting the tool shank blind rivet, thereby solving the problem that the tool shank blind rivet is difficult to dismount; and the universality is strong, and the dismantling operation of the BT series blind rivet can be met.
Description
Technical Field
The utility model belongs to the technical field of machining tools, and particularly relates to a dismounting device for a knife handle blind rivet.
Background
The blind rivet is one of the main parts in the machine tool fixture. One end of the blind rivet is connected with a bayonet of the machine tool, and the other end of the blind rivet is connected with the tool shank through threads, so that the blind rivet mainly plays a role in connecting the tool shank and the machine tool. When the knife handle is installed, the knife handle is tensioned through the axial force transmitted by the pull rod, the pull rod joint and the pull nail.
In the using process, the blind rivet is taken as a middle stress part for tensioning the tool holder, the blind rivet is easy to deform under the action of long-term tension, and particularly, the connecting part of the blind rivet and the tool holder is easy to cause thread deformation; an idle tool shank in a numerical control machining center is generally required to be placed in a tool magazine behind a machine tool, and cutting fluid is easy to splash onto the tool shank of the tool magazine when the machine tool works, so that the tool shank and a blind rivet are corroded; the blind rivet is a standard part, the thickness of a shoulder structure used for disassembling the blind rivet is only 5mm through measurement, and the three reasons all lead to time and labor waste when disassembling the blind rivet.
Traditionally, when the blind rivet is disassembled, the knife handle needs to be placed on the upper knife holder, and the blind rivet flange is clamped by an adjustable wrench for disassembly. Due to the reasons, the phenomenon of slipping often occurs when the method is adopted for dismounting, and the rivet flange is more unfavorable for dismounting the rivet after slipping and abrasion.
Chinese patent publication CN206598246U discloses a tool for removing a blind rivet from a holder, which mainly comprises a clamping portion far away from a holding end, an opening portion near the holding end, a main body and a handle. The opening part is used for placing the blind rivet in the blind rivet disassembling tool of the tool handle; the clamping part is used for clamping the tool shank blind rivet; the handle is used for being convenient for exert the power and unscrew the blind rivet when dismantling. The tool for disassembling and assembling the blind rivet of the tool shank is similar to an adjustable wrench or an open end wrench, and the problem of abrasion and slippage during disassembly cannot be well solved.
Chinese patent publication CN208543409U discloses a blind rivet socket wrench head, which mainly comprises a head, a middle cavity and a tail cavity. The head is internally provided with a square hole for connecting a wrench rod; the middle cavity is in a shape of an arc top cylinder and is used for fixing the head of the blind rivet without shaking; the tail cavity can clamp the blind rivet flange and is convenient to process. The blind rivet sleeve wrench head has poor adaptability, and the blind rivet type specification replacement sleeve wrench head cannot be used.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems in the prior art, provides a dismounting device for a rivet of a knife handle, and solves the problems that the existing dismounting method has a slipping phenomenon when dismounting the rivet, and the rivet flange is more unfavorable for dismounting the rivet after slipping and abrasion.
The utility model is realized by the following technical scheme:
the utility model provides a dismounting device for a knife handle blind rivet, which comprises a flange plate, an annular stop block and a sleeve, wherein the flange plate, the annular stop block and the sleeve are sequentially arranged, the flange plate is connected with the sleeve through a bolt, one end face of the annular stop block is attached to the flange plate, and the other end face of the annular stop block is arranged in the sleeve.
The utility model is further improved in that:
the flange plate is of a disc-shaped structure, and a plurality of first threaded holes are uniformly distributed in the edge of the flange plate along the circumferential direction;
the middle of the flange plate is provided with a through hole, and the middle of the back surface of the flange plate is provided with a circular groove coaxial with the circular groove.
The utility model is further improved in that:
the through hole consists of two planes and two arc surfaces, and the shape and the size of the through hole are consistent with those of the rivet shoulder.
The utility model is further improved in that:
the annular stop block is of a circular ring structure consisting of two parts with the same structure, an inner hole is formed in the middle of the annular stop block, and the outer circle of the annular stop block is a conical surface of the annular stop block.
The utility model is further improved in that:
the diameter of hole is unanimous with the diameter of blind rivet necking down, and one of them terminal surface of hole sets up to the chamfer, and the chamfer is along the hole diameter grow gradually from inside to outside, and the inclined plane of chamfer cooperatees with the conical surface of handle of a knife blind rivet.
The utility model is further improved in that:
the end of the annular stop block with the minimum diameter of the conical surface is positioned at the same end with the inclined surface of the chamfer.
The utility model is further improved in that:
the sleeve comprises a connecting part and a rotating part;
the connecting part is of a disc-shaped structure, the diameter of the connecting part is the same as that of the flange plate, a sleeve through hole is formed in the middle of the connecting part, and the diameter of the sleeve through hole is larger than the minimum diameter of the conical surface of the annular stop block;
the rotating part is fixedly connected with one end face of the connecting part, and the central axis of the rotating part and the central axis of the connecting part are located on the same straight line.
The utility model is further improved in that:
the edge of connecting portion is along a plurality of second screw holes of circumference evenly distributed, and the second screw hole suits with the position of first screw hole, and the distance that the center of second screw hole reaches connecting portion edge is the same with the distance that the center of first screw hole reaches the ring flange edge on the ring flange promptly, and the bolt passes second screw hole and first screw hole in proper order and links together ring flange and muffjoint.
The utility model is further improved in that:
the rotating part is provided with a rotating through hole, the central axis of the rotating through hole is parallel to the end face of the connecting part, and a lever is inserted into the rotating through hole.
Compared with the prior art, the utility model has the beneficial effects that:
(1) the dismounting device for the handle blind rivet is convenient and simple to dismount, and solves the problem that the handle blind rivet is not easy to dismount;
(2) according to the dismounting device for the handle rivet, the handle rivet can be quickly dismounted;
(3) the dismounting device for the handle blind rivet is simple in overall structure, wide in material source and easy to machine and manufacture;
(4) the dismounting device for the knife handle blind rivet provided by the utility model has strong universality and can meet the dismounting operation of BT series blind rivets.
Drawings
FIG. 1 is a view of a shank blind rivet configuration;
FIG. 2 is a block diagram of a device for removing a blind rivet holder according to the present invention;
FIG. 3 is a front view of the flange;
FIG. 4 is a view of the back of the flange;
FIG. 5 is a view of the ring stop;
fig. 6 is a view showing the structure of the sleeve.
In the figure, 1, a handle rivet, 2, a rivet shoulder, 3, a rivet necking, 4, a conical surface, 5, a flange plate, 6, a through hole, 7, a first threaded hole, 8, a circular groove, 9, an annular stop block, 10, an inner hole, 11, a chamfer, 12, an annular stop block conical surface, 13, a sleeve, 14, a sleeve through hole, 15, a second threaded hole, 16, a rotating through hole, 17, a bolt, 18, a handle, 19 and a lever.
Detailed Description
The utility model is described in further detail below with reference to the accompanying drawings:
as shown in fig. 1, the ends of shank blind rivet 1 have a blind rivet shoulder 2, blind rivet constriction 3 and tapered surface 4, respectively. When the dismounting device for the handle blind rivet is used, the handle blind rivet can be quickly dismounted by matching with the blind rivet shoulder 2, the blind rivet necking 3 and the conical surface 4.
Example 1
The utility model provides a dismounting device for a handle blind rivet, which is structurally shown in figure 2 and comprises a flange plate 5, an annular stop block 9 and a sleeve 13 which are sequentially arranged, wherein the flange plate 5 is connected with the sleeve 13 through a bolt 17, one end face of the annular stop block 9 is attached to the flange plate 5, and the other end face of the annular stop block 9 is arranged in the sleeve 13.
As shown in fig. 3 and 4, the flange 5 is a disk-shaped structure, and a plurality of first threaded holes 7 are uniformly distributed along the circumferential direction at the edge of the flange 5, and preferably six first threaded holes 7 are provided for connecting with the sleeve 13; a through hole 6 is formed in the middle of the flange plate 5, the through hole 6 consists of two planes and two arc surfaces, the shape and the size of the through hole 6 are consistent with those of the blind rivet shoulder 2, and the flange plate 5 needs to be matched with the blind rivet shoulder 2; the middle of the back of the flange plate 5 is provided with a circular groove 8 coaxial with the flange plate, the bottom of the circular groove 8 on the back of the flange plate is matched with the foremost end of the tool holder 18, and the phenomenon that the tool holder 18 interferes to influence the rotation of the flange plate when the flange plate 5 is matched with the rivet shoulder 2 is avoided.
As shown in fig. 5, the annular stopper 9 is a circular structure composed of two parts with the same structure, an inner hole 10 is arranged in the middle of the annular stopper 9, the diameter of the inner hole 10 is consistent with the diameter of the blind rivet necking 3, one end face of the inner hole 10 is provided with a chamfer 11, the diameter of the chamfer 11 gradually increases along the inner hole 10 from inside to outside, that is, the inner hole 10 comprises two sections, one section is a round hole, the other section is a tapered hole, the maximum diameter end of the tapered hole is located on the end face of the annular stopper 9, and the inclined plane of the chamfer 11 is matched with the tapered surface 4 of the blind rivet 1 of the tool holder to ensure reliable positioning; the outer circle of the annular stop block 9 is provided with an annular stop block conical surface 12, and one end of the annular stop block conical surface 12 with the minimum diameter is positioned at the same end with the inclined surface of the chamfer 11, so that when the annular stop block 9 is clamped, one part of the annular stop block conical surface 12 can enter the sleeve 13 to ensure reliable clamping; the annular stop 9 is composed of two parts with the same structure, and is convenient to assemble.
As shown in fig. 6, the sleeve 13 includes a connecting portion and a rotating portion, the connecting portion is a disk-shaped structure, the diameter of the connecting portion is the same as that of the flange 5, a sleeve through hole 14 is formed in the middle of the connecting portion, the diameter of the sleeve through hole 14 is slightly larger than the minimum diameter of the annular stopper conical surface 12, so that the annular stopper conical surface 12 can partially enter the sleeve through hole 14, and the annular stopper 9 can be positioned; a plurality of second threaded holes 15 are uniformly distributed at the edge of the connecting part along the circumferential direction, preferably six second threaded holes 15 are arranged, the positions of the second threaded holes 15 and the positions of the first threaded holes 7 are matched, namely, the distance from the center of each second threaded hole 15 to the edge of the connecting part is the same as the distance from the center of each first threaded hole 7 on the flange 5 to the edge of the flange 5, and the bolts 17 sequentially penetrate through the second threaded holes 15 and the first threaded holes 7 to connect the flange 5 and the sleeve 13 together; the rotating part is fixedly connected with one end face of the connecting part, and the central axis of the rotating part and the central axis of the connecting part are located on the same straight line. The rotating part is provided with a rotating through hole 16, the central axis of the rotating through hole 16 is parallel to the end face of the connecting part, and a lever 19 is inserted into the rotating through hole 16 and used for disassembling the knife handle blind rivet 1.
Further preferably, the structure of the rotating portion is not limited, and the rotating portion may have a cylindrical structure with both ends open, or may have a cylindrical structure.
Further preferably, the connecting portion is integrally formed with the rotating portion, thereby improving stability.
Example 2
The working principle of the dismounting device for the tool holder blind rivet is as follows:
referring to fig. 2, a tool shank 18 of a blind rivet to be disassembled is placed on an upper tool apron, a flange plate 5 penetrates through a blind rivet 1 of the tool shank to enable a through hole 6 in the middle of the flange plate to be matched with a blind rivet shoulder 2, and the bottom of a circular groove 8 in the back of the flange plate is matched with the foremost end of the tool shank 18 to ensure that the blind rivet is installed in place;
then, the annular stop block 9 is arranged at the position of the rivet necking neck 3, so that one end face of the conical surface 12 of the annular stop block with the large diameter is attached to the flange plate 5, and the inclined surface of the chamfer 11 is matched with the conical surface 4 of the handle rivet 1;
when the sleeve is installed, a part of the conical surface 12 of the annular stop block is ensured to enter the sleeve through hole 14 of the connecting part of the sleeve 13, so that the annular stop block 9 is positioned; because the lever 19 is inserted into the rotary through hole 16 on the rotary part of the sleeve 13, in order to ensure that the disassembly is convenient, the angle of the rotary through hole 16 relative to the tool shank 18 needs to be adjusted, the sleeve 13 is rotated, the second threaded hole 15 is overlapped with the first threaded hole 7 on the flange plate 5, the bolts 17 sequentially penetrate through the second threaded hole 15 and the first threaded hole 7 for fixing, and the disassembly requirement can be met by connecting the sleeve 13 and the flange plate 5 by using two opposite bolts 17 in order to improve the disassembly efficiency;
when in disassembly, the lever 19 is inserted into the rotating through hole 16, and the lever 19 is rotated to disassemble the knife handle blind rivet 1.
The utility model has the beneficial effects that:
(1) the dismounting device for the handle blind rivet is convenient and simple to dismount, and solves the problem that the handle blind rivet is not easy to dismount;
(2) according to the dismounting device for the handle rivet, the handle rivet can be quickly dismounted;
(3) the dismounting device for the handle blind rivet is simple in overall structure, wide in material source and easy to machine and manufacture;
(4) the dismounting device for the knife handle blind rivet provided by the utility model has strong universality and can meet the dismounting operation of BT series blind rivets.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present invention, unless otherwise specified, the terms "upper", "lower", "left", "right", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Finally, it should be noted that the above-mentioned technical solution is only one embodiment of the present invention, and it will be apparent to those skilled in the art that various modifications and variations can be easily made based on the principle disclosed in the present invention, and not limited to the structures described in the above-mentioned specific embodiments of the present invention, so that the foregoing description is only preferred, and not restrictive.
Claims (9)
1. The utility model provides a dismounting device of handle of a knife blind rivet, its characterized in that, dismounting device is including the ring flange, annular dog and the sleeve that set gradually, the ring flange with the sleeve passes through bolted connection, an end face of annular dog with the laminating of ring flange, another end face of annular dog set up in the sleeve.
2. The tool holder blind rivet dismounting device as recited in claim 1, wherein the flange is a disc-shaped structure, and a plurality of first threaded holes are uniformly distributed along a circumferential direction at an edge of the flange;
the middle of the flange plate is provided with a through hole, and the middle of the back surface of the flange plate is provided with a circular groove coaxial with the circular groove.
3. The device for detaching the rivet of the knife handle according to claim 2, wherein the through hole is composed of two planes and two arc surfaces, and the shape and the size of the through hole are consistent with those of the rivet shoulder.
4. The device for detaching the handle blind rivet according to claim 1, wherein the annular stopper is of a circular ring structure consisting of two parts with the same structure, an inner hole is formed in the middle of the annular stopper, and the outer circle of the annular stopper is provided with an annular stopper conical surface.
5. The device for detaching the handle blind rivet according to claim 4, wherein the diameter of the inner hole is consistent with the diameter of the blind rivet neck, one end face of the inner hole is provided with a chamfer, the diameter of the chamfer is gradually increased along the inner hole from inside to outside, and the inclined surface of the chamfer is matched with the conical surface of the handle blind rivet.
6. The device for removing the holder rivet according to claim 4 or 5, wherein the end of the annular stopper with the smallest diameter of the tapered surface is located at the same end as the tapered surface of the chamfer.
7. The device of claim 2, wherein the sleeve includes a connecting portion and a rotating portion;
the connecting part is of a disc-shaped structure, the diameter of the connecting part is the same as that of the flange plate, a sleeve through hole is formed in the middle of the connecting part, and the diameter of the sleeve through hole is larger than the minimum diameter of the conical surface of the annular stop block;
the rotating part with an end face fixed connection of connecting portion, the central axis of rotating part with the central axis of connecting portion is located same straight line.
8. The tool holder blind rivet dismounting device according to claim 7, characterized in that a plurality of second threaded holes are evenly distributed at the edge of the connecting portion along the circumferential direction, the second threaded holes are matched with the first threaded holes in position, namely, the distance from the center of each second threaded hole to the edge of the connecting portion is the same as the distance from the center of each first threaded hole in the flange to the edge of the flange, and the bolts sequentially penetrate through the second threaded holes and the first threaded holes to connect the flange and the sleeve together.
9. The device for detaching the knife handle blind rivet according to claim 7 or 8, wherein a rotation through hole is formed in the rotation portion, a central axis of the rotation through hole is parallel to an end face of the connection portion, and a lever is inserted into the rotation through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121853113.8U CN215789578U (en) | 2021-08-10 | 2021-08-10 | Dismounting device of handle of a knife blind rivet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121853113.8U CN215789578U (en) | 2021-08-10 | 2021-08-10 | Dismounting device of handle of a knife blind rivet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215789578U true CN215789578U (en) | 2022-02-11 |
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ID=80129576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121853113.8U Active CN215789578U (en) | 2021-08-10 | 2021-08-10 | Dismounting device of handle of a knife blind rivet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215789578U (en) |
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2021
- 2021-08-10 CN CN202121853113.8U patent/CN215789578U/en active Active
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