CN208743601U - Revolve riveting formed punch - Google Patents
Revolve riveting formed punch Download PDFInfo
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- CN208743601U CN208743601U CN201821082752.7U CN201821082752U CN208743601U CN 208743601 U CN208743601 U CN 208743601U CN 201821082752 U CN201821082752 U CN 201821082752U CN 208743601 U CN208743601 U CN 208743601U
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- formed punch
- riveting
- rotation
- face
- riveter
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- 238000004080 punching Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000000916 dilatatory effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
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- 230000007774 longterm Effects 0.000 description 1
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- Insertion Pins And Rivets (AREA)
Abstract
A kind of rotation riveting formed punch, one end are connection handle, and the other end is rotation riveter.The rotation riveter is made of isometrical section and top；Isometrical section of the one end is connected with the end face of changeover portion, and the center of the other end face is axially projecting top.Axial length at the outer rim of this isometrical section end face for having a top is greater than to the axial length at end face jacking head root, makes to form inclined-plane at the top root to outer rim.The inclined-plane is the axial compression face of the rotation riveting formed punch.The utility model is applicable in rotation riveting formed punch used in pendulum exhibition riveting, plays a crucial role to the processing quality of part, the durability of formed punch, the part consistency of riveting is good, and processing efficiency and qualification rate are all greatly improved.
Description
Technical field
The present invention relates to field of machining, specifically a kind of rotation riveting formed punch.
Background technique
Rivet is generally process by plastic material, applied to the link riveted between part, rivet in riveting process,
Strong plastic deformation can be generated, since processing technology is improper, rivet, which cracks, causes part rejection.
In today of industrial technology high speed development, competition between industry, quality stability, efficiency for part processing
There is higher requirement, traditional manual rivet technique is inconvenient, generally will be by two pre- punching, molding work steps, processing
The part consistency of low efficiency, processing is poor, has been unable to meet the technical requirements of highly-efficient processing.
During previous rivet, since the working portion geometric angle design of rotation riveting formed punch is unreasonable, riveting is caused
Follow closely cracked, rotation riveting formed punch breakage.
In " mechanic " 05 phase in 1987 formed punch of riveting " design " text, when work, the targeting part of formed punch into
In the circular hole for entering rivet tail portion, rivet tail portion flange is tightly secured in two connecting plates by the arc by formed punch guiding root
Together.The method is radial rivetting, is rolled by pressurizeing to central point and then deforming metal around, is become to workpiece surface
Pressure when shape is larger, and convex, concaved circular cambered surface is directly pressurized, and intensity difference at the top of formed punch, formed punch cracky, centering effect is poor, durable
It spends low.
With certain riveting parts power, processing request are as follows: after riveting, rivet flush or be not higher than the second riveting parts table
Face；Rivet surface must not crack；There must not be gap between second riveting parts and the first riveting parts, according to the riveting parts wanted
Quantity riveting cyclization, can rotate manually, realize rounding reparation；After riveting, it is desirable that rivet is bloomed well, and the second riveting parts are full of
Hole, guarantee riveting intensity.
When riveting, needs several operators to cooperate with and complete, have been manually done part position first and put, and marshalling.
Again by another operator pre- riveting by hand, the preliminary connection of riveting parts is completed by hand hammer.It is complete using pneumatic press later
At riveting, the movement of formed punch is to be axially moved, and rolls manual rivet by pressurizeing to central point and then deforming metal around
Stage has the following problems:
1) work step is more, processing efficiency, needs personnel more
2) since employee's individual skill has differences, the consistency of part is poor, and easy riveting is inclined
3) pneumatic press uses 90 ° of formed punches, and using radial compression method, centering effect is poor.Pre- riveting offset or part are visual
Put part fail be aligned rivet pre- rivet hole when, the easy riveting of rivet is inclined, and rivet surface and the second riveting parts uneven surface are neat.
4) rivet bar is 1Cr18N9Ti, belongs to non-quenching strengthening material, using solution treatment, improves the corrosion-resistant of steel
Property, it is not required generally for hardness.But in actual riveting process, the riveting quality of the hardness of steel has large effect,
When hardness is high, so that rivet surface is also easy to produce crackle, easy damaged formed punch.
During revolving riveting, the design of manual rivet formed punch is continued to use at the top of rotation riveting formed punch, rotation riveting punch tip damage is serious,
Durability is poor, and riveting quantity is only 5~40.
Summary of the invention
To overcome influence riveting quality existing in the prior art, and the deficiency that processing efficiency is low, the invention proposes
A kind of rotation riveting formed punch.
One end of rotation riveting formed punch proposed by the present invention is connection handle, and the other end is rotation riveter.The rotation riveter is by isometrical section
It is formed with top；Isometrical section of the one end is connected with the end face of changeover portion, and the center of the other end face is axially projecting top.
Axial length at the outer rim of this isometrical section end face for having a top is greater than the axial length at the end face jacking head root, makes the top
Inclined-plane is formed at root to outer rim.The inclined-plane is the axial compression face of the rotation riveting formed punch.
Angle between the axial compression face and spatial vertical face is the axial compression angle α for revolving riveter；Compress axially angle α
=1 °~3 °.
It is described top for cone, the conical surface of the top be revolve riveting formed punch radial dilatation face, the radial dilatation face be somebody's turn to do
Angle between rotation riveter center line is that radial direction dilates angle beta；The radial direction dilates angle beta
The top place of the top is arc-shaped, and arc radius R is 1/3~1/4 to riveting punching aperture D1.
Positioned at the circumferential surface of described connection handle one end sealing ring outer diameter than the rotation riveting formed punch connecting hole on riveter
The big 0.1~0.15mm of aperture D3.
The present invention is applicable in rotation riveting formed punch used in pendulum exhibition riveting, utilizes rotation riveting formed punch top for rolling stone roller formula riveter
Positioning is realized in the hole that portion R is directed at rivet, and rotation riveting formed punch rotates about the axis under the drive of riveter, and hydraulic cylinder is to rotation riveting formed punch axis
To pressurization, the radial dilatation for revolving riveting formed punch makes the rivet radial dilatation in face of rivet extruding, while revolving the axial compression of riveting formed punch
Axial compression effect is realized in face of rivet, fills rivet in the counter sink on riveting parts, in rotation riveting formed punch radial dilatation face
With the riveting for completing the first riveting parts and the second riveting parts under the collective effect in the axial compression face of rotation riveting formed punch.
Present invention rotation riveting formed punch radially dilates angle beta and isIt is dilated for realizing the radial direction of rivet.
Rotation riveter axial compression angle α of the invention and connection handle axis normal angle are 1 °~3 ° of axis for realizing rivet
To extruding.
The radius R of the top place's circular arc of rotation riveter of the invention is the 1/3~1/4 of tubular rivet top blind hole diameter D1.
The present invention is revolved riveting formed punch and is made of connection handle and rotation riveter two parts, and R transition is at the top of rotation riveting formed punch to increase formed punch
Top intensity, connection handle cut with seal groove, for installing sealing ring, are implemented in the flexible connection of riveter, rotation riveting formed punch exists
Realize that the radial direction of rivet is dilated and compressed axially, and completes the molding of rivet under the action of riveter.
The present invention is for the purpose of realizing Quick-rivet and stabilizer elements quality.
The parameter for dilating angle beta, squeezing angle α and top R of rotation riveting punch proposed by the present invention is long-term by inventor
Practice, study and continuously improve, so that the rotation riveting formed punch is played a crucial role the processing quality of part, the durability of formed punch, riveting
The part consistency connect is good, and processing efficiency and qualification rate are all greatly improved.
Radial dilatation face and rotation riveting formed punch of the present invention under the premise of guaranteeing riveting quality, to rotation riveting formed punch rotation riveting formed punch
The angle in axial compression face be modified, and R transition face is used to rotation riveting punch tip, it is strong to increase rotation riveting punch tip
Degree, by constantly testing, rotation riveting formed punch, which is radially dilated angle beta, isRotation riveter axial compression angle α with connect arbor
When line normal angle is 1 °~3 °, R takes rivet hole size 1/3~1/4 Φ D1 at the top of rotation riveter, riveting quality is good, rotation riveting punching
The durability of head adds, and rivets quantity 400~600, improves 3 times of processing efficiency or more compared with manual rivet.
Use of the invention stablizes the riveting quality of part, and consistency is good.By dilating angle, axial direction to rotation riveting formed punch
It squeezes angle to change, rotation riveting punch tip R transition face control greatly improves the durability of rotation riveting formed punch.Save it is artificial, in the past by
The task that three employees complete, can be completed by an employee now.This rotation riveting formed punch can satisfy this riveting parts at work
Processing technology requirement, and make, reprocess conveniently.
The present invention is by the reasonably rotation riveting punch angle of flare and squeezes angle, increases punch intensity, influences riveting
Force-bearing situation when extrusion forming is followed closely, is effectively avoided cracked in rivet forming process.Rivet part consistency compared with
Good, part riveting quality has very big promotion, does not occur rivet seminess, and riveting efficiency improves 3 times or more than manual rivet.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for revolving riveting formed punch.
Fig. 2 is the structural schematic diagram for revolving riveter.
Fig. 3 is the partial enlarged view at the position A in Fig. 2.
Fig. 4 is the assembling schematic diagram of riveting parts.
Fig. 5 is riveting schematic diagram.In figure:
1. radial dilatation face；2. the face of axial compression；3. seal groove；4. the first riveting parts；5. the second riveting parts；6. riveting
Nail；7. riveter；8. sealing ring；9 rotation riveting formed punches；10. cushion block；11. connection handle；12. isometrical section；13. top.
Specific embodiment
The present embodiment is a kind of rotation riveting formed punch, and shape is rod-shaped.One end of the rotation riveting formed punch 9 is connection handle, the other end
To revolve riveter, and the changeover portion between connection handle and rotation riveter is cone.The rotation riveter by isometrical section 12 and top 13 groups
At；Isometrical section of the one end is connected with the end face of changeover portion, and the center of the other end face is axially projecting top.This isometrical section
There is axial length at the outer rim of the end face of top to be greater than to the axial length at end face jacking head root, makes the top root to outer
Inclined-plane is formed at edge.The inclined-plane is the axial compression face 2 of the rotation riveting formed punch.The axial compression face and spatial vertical face it
Between angle be revolve riveter axial compression angle α；Compress axially angle α=1 °~3 °.
The top 13 is cone, and the conical surface of the circular cone is the radial dilatation face 1 for revolving riveting formed punch, the radial dilatation face 1
Angle between the rotation riveter center line is that radial direction dilates angle beta；The radial direction dilates angle betaThe top it is top
Place is arc-shaped, and arc radius R is the 1/3~1/4 of semitubular rivet top end face blind hole aperture D1；In the present embodiment, institute
State 1/4 that arc radius R is semitubular rivet top end face blind hole aperture D1.
In the present embodiment, the diameter d4=14mm of riveting formed punch connection handle, the diameter d3=8mm of isometrical section of riveter of rotation, top are revolved
The maximum gauge d2=5.5mm of head, axial compression angle α are 2 °.
Circumferential surface in described connection handle one end is machined with seal groove 3, for installing sealing ring 8；The sealing ring
8 outer diameter is 0.1~0.15mm bigger than the aperture D3 of the rotation riveting formed punch connecting hole on riveter 7, and rotation riveting formed punch is gently pressed into rotation riveting
Machine revolves in riveting formed punch connecting hole, by the flexible deformation of sealing ring, realizes the flexible contact of the connection handle and riveter, so that
In the course of work, rotation riveting formed punch 9 does not depart from riveter 7, and is able to achieve rotation riveting formed punch 9 around riveter axis, with the side of rotation
Formula is pressed downward realizing the riveting of riveting rivet by oil pressure according to certain swing angle.
In the present embodiment, using semitubular rivet, the aperture D1 of the semitubular rivet top end face blind hole is 2.5mm.Position
In the rivet hole on the rivet hole and the second riveting parts 5 on the first riveting parts 4 be counter sink；The largest hole of each counter sink
Diameter D2 is 8mm.
The present embodiment is at work:
The first step pacifies the rotation riveting formed punch that the rotation riveting formed punch connection handle for being set with sealing ring 8 is packed on rolling stone roller formula riveter 7
It fills in hole；The outer diameter of the sealing ring will be revolved slightly larger than the aperture D3 of the rotation riveting formed punch mounting hole with passing through the sealing ring
Riveting formed punch is installed on rolling stone roller formula riveter.
The connecting pin of first riveting parts 4 is placed on cushion block 10 by second step；The connecting pin of second riveting parts 5 is placed in institute
The upper surface of the first riveting parts is stated, and keeps the connecting hole of the first riveting parts 4 and the connecting hole of the second riveting parts 5 concentric.By rivet 6
It is placed in the connecting hole of each riveting parts, and completes the centering of rivet 6 by the rotation riveting formed punch.
Third step starts riveter, and rotation riveting formed punch 9 is driven to rotate.By hydraulic cylinder to rotation riveting formed punch pressurization, make top
Radial dilatation face 1 squeezes rivet 6, makes the rivet radial dilatation.Riveter axial compression face 2 is revolved simultaneously, and axis is realized to rivet 6
To extruding.
Riveting formed punch is revolved under the action of riveter, is realized that the radial direction of rivet 6 is dilated and compressed axially, is realized the plasticity of rivet
Molding, by the riveting of the first riveting parts 4 and the second riveting parts 5.
4th step, riveter drive rotation riveting formed punch to lift, complete the riveting to riveting parts.
Claims (5)
1. a kind of rotation riveting formed punch, which is characterized in that one end of the rotation riveting formed punch is connection handle, and the other end is rotation riveter；It is described
Rotation riveter is made of isometrical section and top；Isometrical section of the one end is connected with the end face of changeover portion, and the center of the other end face is
Axially projecting top；Axial length at the outer rim of this isometrical section end face for having a top is greater than the axis at the end face jacking head root
To length, make to form inclined-plane at the top root to outer rim；The inclined-plane is the axial compression face of the rotation riveting formed punch.
2. rotation riveting formed punch as described in claim 1, which is characterized in that the angle between the axial compression face and spatial vertical face
For the axial compression angle α for revolving riveter；Compress axially angle α=1 °~3 °.
3. rotation riveting formed punch as described in claim 1, which is characterized in that the top is cone, and the conical surface of the top is rotation riveting
The radial dilatation face of formed punch, the angle between the radial dilatation face and the rotation riveter center line are that radial direction dilates angle beta；The diameter
It is to angle beta is dilated。
4. rotation riveting formed punch as claimed in claim 3, which is characterized in that the radius R of top place's circular arc of the top is to rush to riveting
The 1/3~1/4 of hole aperture D1.
5. rotation riveting formed punch as described in claim 1, which is characterized in that positioned at the sealing ring of the circumferential surface of described connection handle one end
Outer diameter it is 0.1~0.15mm bigger than the rotation riveting formed punch connecting hole aperture D3 on riveter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821082752.7U CN208743601U (en) | 2018-07-10 | 2018-07-10 | Revolve riveting formed punch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821082752.7U CN208743601U (en) | 2018-07-10 | 2018-07-10 | Revolve riveting formed punch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208743601U true CN208743601U (en) | 2019-04-16 |
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ID=66055658
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821082752.7U Expired - Fee Related CN208743601U (en) | 2018-07-10 | 2018-07-10 | Revolve riveting formed punch |
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| Country | Link |
|---|---|
| CN (1) | CN208743601U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108672638A (en) * | 2018-07-10 | 2018-10-19 | 西安航空制动科技有限公司 | A kind of rotation riveting punch |
-
2018
- 2018-07-10 CN CN201821082752.7U patent/CN208743601U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108672638A (en) * | 2018-07-10 | 2018-10-19 | 西安航空制动科技有限公司 | A kind of rotation riveting punch |
| CN108672638B (en) * | 2018-07-10 | 2023-08-29 | 西安航空制动科技有限公司 | Rotary riveting punch |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190416 |