CN218495969U - Special tool for checking milling amount of countersunk head blind rivet - Google Patents
Special tool for checking milling amount of countersunk head blind rivet Download PDFInfo
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- CN218495969U CN218495969U CN202222809961.XU CN202222809961U CN218495969U CN 218495969 U CN218495969 U CN 218495969U CN 202222809961 U CN202222809961 U CN 202222809961U CN 218495969 U CN218495969 U CN 218495969U
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Abstract
The utility model provides a specialized tool for countersunk head self-plugging rivet mills volume of cutting inspection belongs to aviation product assembly and detects technical field, is the specialized tool that carries out the inspection to milling volume after countersunk head self-plugging rivet installs for prevent that milling volume from causing blind rivet to rotate excessively. The utility model discloses a two gauge heads are used for the inspection respectively and mill after cutting
Nail head and
the two measuring heads are connected with each other through a bearing and a pin shaftIn the organism to can rotate around the round pin axle and realize unscrewing and income, stopper piece and slider cooperate with the slide rail of fixing at the organism lateral wall, through the slip of stopper piece and slider, prevent the gauge head drunkenness after the income. The utility model discloses simple structure, light in weight, portable can realize fast that the accuracy of inspection structure has both been improved and the efficiency of inspection work has been improved to the qualitative inspection of self-plugging rivet pin fin milling volume.
Description
Technical Field
The utility model belongs to the technical field of aviation product assembly detects, a specialized tool that is used for countersunk head self-plugging rivet milling volume to inspect is related to, is that countersunk head self-plugging rivet installs the back and carries out the specialized tool that inspects milling volume for prevent that milling volume from leading to the fact self-plugging rivet to rotate greatly.
Background
The countersunk head self-plugging rivet is an indispensable standard part in aircraft assembly, a rivet head higher than a skin part needs to be milled and removed after the mounting according to the requirement of pneumatic appearance, the maximum milling amount is 0.2mm, the mounted self-plugging rivet rotates due to overlarge milling amount, the self-plugging rivet breaks away along with the flight vibration of an aircraft, in the current stage, no special tool is used for checking the milling amount of the rivet head, only on-site inspection personnel visually judges according to experience, the accuracy rate of visual judgment according to experience is low, the dependence on people is extremely large, and the false and missed inspection is easily caused by human factors.
SUMMERY OF THE UTILITY MODEL
In order to solve the above-mentioned problem that exists among the prior art, the utility model provides a specialized tool for countersunk head self-plugging rivet mills volume of cutting inspection for to the control of self-plugging rivet head milling volume, realize making the compliance judgement to the milling volume of rivet head, avoid the human factor to cause the mistake to leak and examine.
In order to achieve the above object, the utility model discloses a technical scheme be:
a special tool for checking the milling amount of a countersunk blind rivet, the special tool comprises a machine body 1, a bearing 2, a pin shaft 3, a screw 4, a stop block 5, a slide block 6, a slide rail 7,
A measuring head 8,
The probe 9 is shown in fig. 1, 2, 3 and 4. The machine body 1 is a box body which is opened up and down and is a basic supporting structure of the special tool, the front end of the outer wall of one side of the machine body is symmetrically provided with two strip-shaped grooves which are distributed in parallel, the rear end of the outer wall is symmetrically provided with two through holes, and the corresponding positions of the outer wall of the other side of the machine body 1 are also provided with the same through holes and strip-shaped grooves; the bearing 2 and the pin shaft 3 are movably connected components of the special tool, the pin shaft 3 is provided with two pin shafts which respectively penetrate through two groups of through holes which are oppositely arranged on two side walls of the machine body 1, two ends of the pin shaft 3 are connected with two side walls of the machine body 1 through the bearing 2, the machine body 1 and the pin shaft 3 are in interference fit respectively and are used for realizing free rotation of the pin shaft 3 in the bearing 2, and the pin shaft 3 is used for connecting transmission and also plays a role in aligning the pin shaft 3
A probe 8 and
the supporting function of the measuring head 9; said
A probe 8 and
the measuring head 9 is a main function realizing structure, the tail parts of the two measuring heads are respectively provided with a hole, the two holes are respectively connected with the two pin shafts 3 in a rotating way through the bearing 2 and are used for realizing the motion relation between the two measuring heads and the two pin shafts 3, so that the measuring heads can freely rotate around the pin shafts 3, the two measuring heads can be rotated out of the machine body 1 when in use and are put into the machine body 1 after being used, the head parts of the two measuring heads are operation parts, the end surfaces of the head parts are working surfaces and are both annular,
a probe 8 and
the annular inner diameters of the heads of the measuring heads 9 respectively correspond to the sizes of the annular inner diameters
Nail head and
the minimum requirement after milling the nail head is that if the nail head to be measured is within the annular inner diameter range of the working surface, excessive milling is unqualified, and two inspection windows are symmetrically arranged on the outer walls of the rear sides of the two measuring head working positions and used for observing whether the milling surface of the nail head to be measured does not exceed the working surface of the measuring head; the number of the sliding rails 7 is 4, and the sliding rails are respectively fixed in 4 strip-shaped grooves on the outer walls of the two sides of the machine body 1 by screws; the limiting block 5 is U-shaped, U-shaped arms at two ends of the limiting block are respectively fixedly connected with a sliding block 6 through screws 4, the two sliding blocks 6 are arranged oppositely, a limiting structure consisting of the limiting block 5, the two screws 4 and the two sliding blocks 6 is arranged in two groups, the two limiting blocks 5 are respectively arranged on the upper surface and the lower surface of the machine body 1, the sliding blocks 6 at two ends of the limiting block 5 penetrate into two strip-shaped grooves oppositely arranged on the outer walls of two sides of the machine body 1 and are connected on a sliding rail 7 through a structural relation, so that the limiting structure can freely slide in the range of the sliding rail 7, the limiting structure is moved to the front end of the machine body 1, a measuring head can be taken out, a side head is retracted after the use, the limiting structure is restored to the original position, and the measuring head is prevented from moving.
Furthermore, the machine body 1 is made of aluminum magnesium alloy materials, and is light in weight, high in hardness and convenient to carry.
The use method of the special tool comprises the following steps:
the method comprises the following steps: according to the diameter requirement of the rivet
Measuring head 8 or
And the measuring head 9 moves the limiting block 5 corresponding to the measuring head forwards to the foremost end so as to be completely opened.
Step two: and rotating the measuring head around the pin shaft 3, and taking out the corresponding measuring head.
Step three: and completely and concentrically attaching the measuring head operation part and the milled surface of the rivet head.
Step four: and visually checking whether the milled surface of the rivet head does not exceed the working surface of the measuring head or not, wherein if the milled surface does not exceed the working surface of the measuring head, the milled surface is unqualified.
Step five: after the measurement is finished, the measuring head is put back into the machine body 1, and the limiting block 5 is driven to recover the original position.
The utility model has the advantages that:
the utility model discloses an on-the-spot inspection personnel provide one kind and inspect specialized tool to milling volume, its simple structure, light in weight, portable, the utility model discloses can realize fast that the accuracy of inspection structure has both been improved and the efficiency of inspection work has been improved to the qualitative inspection of self-plugging rivet pin fin milling volume.
Drawings
FIG. 1 is an isometric view of a special tool for checking the milling amount of a blind countersunk head rivet.
FIG. 2 is a front view of a special tool for checking the milling amount of a blind countersunk head rivet.
FIG. 3 is a top view of the special tool for checking the milling amount of the blind countersunk head rivet.
FIG. 4 is a bottom view of the special tool for checking the milling amount of the blind countersunk head rivet.
In the figure: 1, a machine body; 2, a bearing; 3, a pin shaft; 4, a screw; 5, a limiting block; 6, a sliding block; 7, a sliding rail; 8
A measuring head; 9
A probe.
Detailed Description
The following description will further explain embodiments of the present invention with reference to the drawings and technical solutions.
Examples
A special tool for checking the milling amount of a countersunk blind rivet, the special tool comprises a machine body 1, a bearing 2, a pin shaft 3, a screw 4, a stop block 5, a slide block 6, a slide rail 7,
A measuring head 8,
The probe 9 is shown in fig. 1, 2, 3 and 4. The machine body 1 is a box body which is opened up and down, is a basic supporting structure of the special tool and is made of aluminum magnesium alloy materials, the front end of the outer wall of one side of the machine body is symmetrically provided with two strip-shaped grooves which are distributed in parallel, the rear end of the outer wall is symmetrically provided with two through holes, and the corresponding positions of the outer wall of the other side of the machine body 1 are also provided with the same through holes and strip-shaped grooves; the bearing 2 and the pin shaft 3 are movably connected components of the special tool, the pin shaft 3 is provided with two pin shafts which respectively penetrate through two groups of through holes which are oppositely arranged on two side walls of the machine body 1, two ends of the pin shaft 3 are connected with two side walls of the machine body 1 through the bearing 2, the machine body 1 and the pin shaft 3 are in interference fit respectively and are used for realizing free rotation of the pin shaft 3 in the bearing 2, and the pin shaft 3 is used for connecting transmission and also plays a role in aligning the pin shaft 3
A probe 8 and
the supporting function of the measuring head 9; said
A probe 8 and
the measuring head 9 is a main function realizing structure, the tail parts of the two measuring heads are respectively provided with a hole, the two holes are respectively connected with the two pin shafts 3 in a rotating way through the bearing 2 and are used for realizing the motion relation between the two measuring heads and the two pin shafts 3, so that the measuring heads can freely rotate around the pin shafts 3, the two measuring heads can be rotated out of the machine body 1 when in use and are put into the machine body 1 after being used, the head parts of the two measuring heads are operation parts, the end surfaces of the head parts are working surfaces and are both annular,
a probe 8 and
the annular inner diameters of the heads of the measuring heads 9 respectively correspond to the sizes of the annular inner diameters
Nail head and
the minimum requirement after milling the nail head is that if the nail head to be measured is within the annular inner diameter range of the working surface, excessive milling is unqualified, and two inspection windows are symmetrically arranged on the outer walls of the rear sides of the two measuring head working positions and used for observing whether the milling surface of the nail head to be measured does not exceed the working surface of the measuring head; the number of the sliding rails 7 is 4, and the sliding rails are respectively fixed in 4 strip-shaped grooves on the outer walls of the two sides of the machine body 1 by screws; the limiting block 5 is U-shaped, U-shaped arms at two ends of the limiting block are respectively fixedly connected with a sliding block 6 through screws 4, the two sliding blocks 6 are arranged oppositely, a limiting structure consisting of the limiting block 5, the two screws 4 and the two sliding blocks 6 is arranged in two groups, the two limiting blocks 5 are respectively arranged on the upper surface and the lower surface of the machine body 1, the sliding blocks 6 at two ends of the limiting block 5 penetrate into two strip-shaped grooves oppositely arranged on the outer walls of two sides of the machine body 1 and are connected on a sliding rail 7 through a structural relation, so that the limiting structure can freely slide in the range of the sliding rail 7, the limiting structure is moved to the front end of the machine body 1, a measuring head can be taken out, a side head is retracted after the use, the limiting structure is restored to the original position, and the measuring head is prevented from moving.
Pairs using the above-mentioned special tools
The process for checking the milling amount of the rivet head comprises the following steps:
the method comprises the following steps: move forward
The limiting block 5 at one side of the measuring head 8 is arranged at the forefront end, so that the limiting block is completely opened.
Step two: will be provided with
The measuring head 8 rotates around the pin shaft 3 and is taken out.
Step three: will be provided with
The operation part of the measuring head 8 is completely and concentrically attached to the milled surface of the rivet head.
Step four: visually checking the milled surface of the rivet head through an inspection window at the rear side of the operation part, and finding that the milled surface of the rivet head exceeds the milled surface of the rivet head
The milling amount of the rivet head on the working surface of the measuring head 8 is qualified.
Step five: will be provided with
The measuring head 8 is put back into the machine body 1 to drive the limiting block 5 to recover the original position.
The above-mentioned embodiments only represent the embodiments of the present invention, but can not be understood as the limitation of the scope of the present invention, and it should be noted that, for those skilled in the art, a plurality of variations and improvements can be made without departing from the concept of the present invention, and all of them belong to the protection scope of the present invention.
Claims (3)
1. The special tool for checking the milling amount of the countersunk head blind rivet is characterized by comprising a machine body (1), a bearing (2), a pin shaft (3), a limiting block (5), a sliding block (6), a sliding rail (7),
A measuring head (8),
A probe (9);
the machine body (1) is a box body which is opened up and down and is a basic supporting structure, the front end of the outer wall of one side of the machine body is symmetrically provided with two strip-shaped grooves which are distributed in parallel, the rear end of the outer wall is symmetrically provided with two through holes, and the corresponding position of the outer wall of the other side of the machine body (1) is also provided with the same through holesAnd a strip-shaped groove; the bearing (2) and the pin shaft (3) are movably connected components, the pin shaft (3) is provided with two pin shafts and respectively penetrates through two groups of through holes which are oppositely arranged on two side walls of the machine body (1), two ends of the pin shaft (3) are connected with the two side walls of the machine body (1) through the bearing (2), and the bearing (2), the machine body (1) and the pin shaft (3) are in interference fit respectively and are used for realizing the free rotation of the pin shaft (3) in the bearing (2); said
A probe (8) and
the measuring head (9) is a main function realization structure, the tail parts of the two measuring heads are both provided with holes, the two holes are respectively connected with the two pin shafts (3) in a rotating way through the bearing (2), so that the measuring head can freely rotate around the pin shafts (3), when in use, the two measuring heads are screwed out of the machine body (1) and are put into the machine body (1) after use, the head parts of the two measuring heads are operation parts, the end surfaces of the head parts are working surfaces and are both annular,
a probe (8) and
the annular inner diameters of the heads of the measuring heads (9) respectively correspond to the sizes of the annular inner diameters
Nail head and
the minimum requirement after milling the nail head is that if the nail head to be measured is in the annular inner diameter range of the working surface, excessive milling is unqualified, and two inspection windows are symmetrically arranged on the outer walls of the rear sides of the two measuring head working positions respectively and are used for observing whether the milling surface of the nail head to be measured does not exceed the working surface of the measuring head; the sliding rails (7) are arranged in 4 numbers and are respectively fixed in 4 strip-shaped grooves on the outer walls of the two sides of the machine body (1); the limiting block (5) is U-shaped, and U-shaped arms at two ends of the limiting block are fixedly connected with sliding blocks (6)) Two sliders (6) set up relatively, the limit structure who constitutes by limit piece (5) and two sliders (6) sets up two sets ofly altogether, two limit piece (5) are arranged in respectively on the upper surface and the lower surface of organism (1), and in two bar grooves that relative setting on organism (1) both sides outer wall are deepened in slider (6) at limit piece (5) both ends, and connect on slide rail (7) through structural relationship, make limit structure can freely slide in slide rail (7) within range, remove limit structure to organism (1) front end and can take out the gauge head, withdraw the side head and resume the normal position with limit structure after the use, prevent the gauge head drunkenness.
2. The special tool for checking the milling amount of the blind countersunk rivet according to claim 1, wherein the stop block (5) and the slide block (6) are fixedly connected through a screw (4).
3. The special tool for inspecting milling yield of the blind countersunk rivet according to claim 1, wherein the machine body (1) is made of aluminum magnesium alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222809961.XU CN218495969U (en) | 2022-10-25 | 2022-10-25 | Special tool for checking milling amount of countersunk head blind rivet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222809961.XU CN218495969U (en) | 2022-10-25 | 2022-10-25 | Special tool for checking milling amount of countersunk head blind rivet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218495969U true CN218495969U (en) | 2023-02-17 |
Family
ID=85197284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222809961.XU Active CN218495969U (en) | 2022-10-25 | 2022-10-25 | Special tool for checking milling amount of countersunk head blind rivet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218495969U (en) |
-
2022
- 2022-10-25 CN CN202222809961.XU patent/CN218495969U/en active Active
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