CN104826979A - Rivet removal apparatus - Google Patents
Rivet removal apparatus Download PDFInfo
- Publication number
- CN104826979A CN104826979A CN201410641387.9A CN201410641387A CN104826979A CN 104826979 A CN104826979 A CN 104826979A CN 201410641387 A CN201410641387 A CN 201410641387A CN 104826979 A CN104826979 A CN 104826979A
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- CN
- China
- Prior art keywords
- rivet
- arm
- die
- removal device
- punch
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J15/00—Riveting
- B21J15/38—Accessories for use in connection with riveting, e.g. pliers for upsetting; Hand tools for riveting
- B21J15/50—Removing or cutting devices for rivets
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Insertion Pins And Rivets (AREA)
Abstract
The present invention discloses a rivet removal apparatus. The rivet removal apparatus comprises a support (40), a concave die (10), a convex die (20) and a driver (30); the support is provided with a first arm (41) and a second arm (42) which are oppositely arranged; the concave die is mounted on the first arm and is provided with a discharging hole (12); the convex die is mounted on the driver and is arranged opposite to the concave die; and the driver is mounted on the second arm and is used for driving the convex die to move relative to the concave die. Therefore, the convex die is driven by the driver mounted on the second arm (42) to move relative to the concave die mounted on the first arm of the support, so that the aim of removing a failure rivet on a workpiece is realized. The rivet removal apparatus is convenient and rapid to operate, can save time and labor and is safe and reliable in the whole process.
Description
Technical field
The present invention relates to connector demolition technique field, particularly, relate to a kind of rivet removal device.
Background technology
There is riveted joint between carriage frame parts, be spirally connected, weld three kinds of main connected modes.Wherein, rivet compared with bolt be connected with Stability Analysis of Structures, need not be locking etc. advantage; Riveted joint is comparatively welded with the advantages such as bearing strength is high, unstressed.Therefore on vehicle frame, most of connector all adopts riveted structure.But due to the non-removable feature of riveted joint, wrong riveting in production process, riveting are askew and need to unrivet when reprocessing, and unrivet and are not easy very much.
At present, the method for unriveting mainly contains two kinds.One, use flat chisel to root out rivet, concrete grammar is: flat chisel is close to vehicle frame component surface by a people, and the edge of shovel leans against on manufactured head, and another people firmly pounds the flat chisel back side with sledgehammer, repeatedly pounds flat chisel until fallen by manufactured head shovel, and then uses crooked chisel to be exited by rivet.The method requires that operative employee must be adept, otherwise easily smashes vehicle frame, and wastes time and energy, general experienced operator also at least pound 6-10 time, be a bit mainly that operation is abnormally dangerous, manufactured head high speed as bullet that shovel falls flies out, and easily occurs security incident.Two, directly use pneumatic or electric grinder to be polished off by manufactured head, and then use crooked chisel to be exited by rivet.The method be mainly used in workman can not be familiar with use flat chisel or use flat chisel limited space time.Although the method is comparatively safe, more waste time and energy, and have destruction to the part near rivet.
Summary of the invention
The object of this invention is to provide a kind of rivet removal device, this rivet removal device can complete the dismounting of rivet easily.
To achieve these goals, the invention provides a kind of rivet removal device, this rivet removal device comprises bearing, die, punch and driver, described bearing has the first arm and the second arm that are oppositely arranged, described die to be arranged on described first arm and to have material-dropping hole, described punch to be arranged on described driver and to be oppositely arranged with described die, and described driver is arranged on described second arm and moves relative to described die for the described punch of driving.
Preferably, described die is removably mounted on described first arm.
Preferably, described first arm is formed with the first installing hole, and described die has flange, and this die is inserted in described first installing hole, and described flange is resisted against the periphery of described first installing hole.
Preferably, described material-dropping hole comprises locating hole section and material-dropping hole section, this locating hole section close to described rivet arrangement and have be less than described material-dropping hole section aperture to adapt with the first head of described rivet.
Preferably, described driver is piston cylinder, and the cylinder barrel of this piston cylinder is arranged on described second arm, and described punch is arranged on the piston rod of this piston cylinder.
Preferably, the surrounding of described punch is provided with abutment sleeve, this abutment sleeve is slidably mounted on described piston rod, and the diapire of this abutment sleeve is formed with the locating hole adapted with described second head of rivet, and described punch is aimed at this locating hole and arranged.
Preferably, described locating hole is formed as bell-mouthed shape.
Preferably, between described piston rod and the diapire of described abutment sleeve, Compress Spring is provided with.
Preferably, described piston rod is formed with step blind hole, one end of described punch is inserted in this step blind hole, and the other end extends towards the diapire of described abutment sleeve.
Preferably, the sidewall of described step blind hole is formed with the passage communicated with the external world.
Preferably, described second arm is formed with the second installing hole, the cylinder barrel of described piston cylinder inserts and to be installed in this second installing hole and fastening by securing member.
Preferably, this rivet removal device also comprises suspender, and described bearing is installed on described suspender.
Pass through technique scheme, by die being arranged on the first arm of bearing, punch is installed on a drive, and driver is arranged on described second arm and moves relative to described die for the described punch of driving, thus easily can realize rivet that stamped workpieces lost efficacy.Whole operating process is convenient and swift, time saving and energy saving, avoids potential safety hazard.
Other features and advantages of the present invention are described in detail in detailed description of the invention part subsequently.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and forms a part for description, is used from explanation the present invention, but is not construed as limiting the invention with detailed description of the invention one below.In the accompanying drawings:
Fig. 1 is the structural representation of the rivet removal device that the preferred embodiment for the present invention provides, band broken section;
Fig. 2 is the enlarged drawing in B portion in Fig. 1;
Fig. 3 is the enlarged drawing in A portion in Fig. 1.
Description of reference numerals
10 die 11 flange 12 material-dropping holes
121 locating hole section 122 material-dropping hole section 20 punch
30 driver 300 piston rod 301 step blind holes
302 passages
40 bearing 41 first arm 42 second arms
411 first installing hole 422 second installing holes
50 rivet 51 first head 52 second heads
60 abutment sleeve 61 escape 62 locating holes
70 Compress Spring 80 securing member 90 suspenders
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.Should be understood that, detailed description of the invention described herein, only for instruction and explanation of the present invention, is not limited to the present invention.
In the present invention; when not doing contrary explanation; the noun of locality used as " upper and lower, left and right " typically refer to according to the user of rivet removal device to; it is understood that; other modes user in, can there is respective change in the above-mentioned noun of locality, the mode of texturing relating to orientation for this type of should drop in protection scope of the present invention; in addition, " inside and outside " refers to the interior and outer of corresponding component profile.
As shown in Figure 1, the invention provides a kind of rivet removal device, this rivet removal device comprises bearing 40, die 10, punch 20 and driver 30, this bearing 40 has the first arm 41 and the second arm 42 be oppositely arranged, this bearing 40 can clamp for riveting usually, this die 10 to be arranged on the first arm 41 and to have material-dropping hole 12, and this punch 20 to be arranged on this driver 30 and to be oppositely arranged with die 10, and this driver 30 is arranged on the second arm 42 and moves relative to die 10 for driving punch 20.Therefore drive punch 20 to move close to the die 10 be arranged on the first arm 41 of bearing 40 by the driver 30 be arranged on the second arm 42 of bearing 40, thus realize the object of removing the rivet that workpiece lost efficacy.Whole process operation is convenient and swift, time saving and energy saving, safe and reliable.
It should be noted that, the scheme that can realize above-mentioned embodiment has multiple, such as, the concrete structure etc. of the driver 30 driving the relative die 10 of punch 20 to move can be realized, the present invention for convenience of description, introduce preferred embodiment wherein at this, this preferred embodiment, only for illustration of the present invention, is not limited to the present invention.
As shown in Figure 1, for ease of operating rivet removal device provided by the invention, this rivet removal device also comprises suspender 90, and described bearing 40 is installed on this suspender 90.That is, can with suspender 90 sling this whole device thus bearing 40 can be free to travel to need to unrivet 50 position.
In a preferred embodiment of the invention, for saving cost and the rivet of different size can being adapted to, die 10 is removably mounted on the first arm 41, therefore, on the one hand, can by this die on the die change of riveting on existing riveting set, do not need optional equipment that the device of die 10 is installed, save the cost of unriveting, on the other hand, die 10 can be changed according to the size of different rivets 50, make corresponding adjustment.
Structurally preferably, the first arm 41 is formed with the first installing hole 411, die 10 has flange 11, and this die 10 is inserted in this first installing hole 411, and this flange 11 is resisted against the periphery of the first installing hole 411.That is, as shown in Figure 3, the flange 11 of die 10 is close on the side arm of the first arm 41, to be inserted in the first installing hole 411 by the hollow circuit cylinder body structure of flange 11 side.Therefore, die 10 can firmly be arranged on bearing 40, thus ensures the reliability of impacting rivet 50.
Further, remove for ease of accurate location the rivet 50 that workpiece lost efficacy to realize unobstructed discharging the rivet waste material after impact simultaneously, described material-dropping hole 12 comprises locating hole section 121 and material-dropping hole section 122, this locating hole section 121 arrange close to rivet 50 and have be less than this material-dropping hole section 122 diameter to adapt with the first head 51 of this rivet 50.Particularly, as shown in Figure 3, the aperture of the material-dropping hole section 122 of the other end away from rivet 50 is less than in material-dropping hole 12 close to the aperture of the locating hole section 121 of one end of rivet 50.Therefore, in rivet removal process, locating hole section 121 first can be utilized just to block the first head 51 of rivet 50, when after impact rivet 50, under impulsive force or artificial effect, rivet waste material can be greater than in the material-dropping hole section 121 of locating hole section 121 along diameter thereupon swimmingly discharges, and avoids rivet waste material to be blocked in material-dropping hole 12.
Be described above concrete structure and the mounting means of die 10, focus on the concrete structure and the mounting means that describe driver 30 and be arranged on the punch 20 on driver 30 below.
In a preferred embodiment of the invention, driver 30 can be piston cylinder, such as; can be hydraulic piston cylinder, pneumaticpiston cylinder etc.; certainly, driver 30 also can be electric pushrod even motor etc., as long as the function that can realize driving all belongs among protection scope of the present invention.Particularly, the cylinder barrel of this piston cylinder is arranged on this second arm 42, and this punch 20 is arranged on the piston rod 300 of this piston cylinder.It should be noted that, and the principle that above-mentioned die 10 is similar, for saving cost, this punch 20 can be releasably attached on the piston rod 300 of this piston cylinder.
Preferably, for the center line realizing punch 20 and rivet 50 is fast aimed at, when preventing punch 20 from impacting rivet, excessive the causing of pressure is burst apart simultaneously, the surrounding of punch 20 is provided with abutment sleeve 60, this abutment sleeve 60 is slidably mounted on piston rod 300, and the diapire of this abutment sleeve 60 is formed with the locating hole 62 adapted with the second head 52 of rivet 50, this punch 20 is aimed at this locating hole 62 and is arranged.Therefore, the locating hole 62 of abutment sleeve 60 can be utilized to aim at the second head 52 of rivet 50, indirectly realize the aligning of punch 20 and rivet 50.Simultaneously the diapire of abutment sleeve 60 and absorption surface increase stressed active area, reduce the pressure under equivalent impulsive force, thus protect punch.
As in structure preferably, as shown in Figure 2, the madial wall of this abutment sleeve 60 is formed with escape 61, this escape 61 can be positioned at the root of the diapire near abutment sleeve 60, therefore, the madial wall of this abutment sleeve 60 can carry out fine finishining to realize and the closely cooperating of piston rod with boring cutter, prevents abutment sleeve 60 from getting off from landing piston rod 300.In addition, the frictional force that between the lateral wall of piston rod and the madial wall of abutment sleeve 60, relative sliding brings can also be reduced, reduce mutual wearing and tearing therebetween.
Particularly, when operating, first will the workpiece of unriveting be needed to be positioned on station, then, as shown in Figure 2, mobile support saddle 40 makes the diapire of abutment sleeve 60 abut in surface of the work and the second head 52 of rivet 50 is inserted in its locating hole 62, to make punch 20, die 10 and rivet 50 concentric, press the action button of undersetting 40, piston rod 300 promotes punch 20 and abutment sleeve 60 and workpiece near die 10, until the flange 11 of die 10 abuts in surface of the work and the first head 51 of rivet 50 is inserted into the first locating hole 121, now piston rod 300 continues to move right, piston rod 300 relative positioning sleeve 60 slides to the right, punch 20 stretches out and impacts rivet 50 from the locating hole 62 of abutment sleeve 60.When returning, piston rod 300 is retracted left, and Compress Spring 70 starts to reset, until when piston rod 300 relative positioning sleeve 60 slides into initial position left, piston rod 300 moves to appropriate location left and prepares to carry out punching press action next time together with abutment sleeve 60.
Further, the center line for ease of abutment sleeve 60 and rivet 50 is aimed at, and locating hole 62 is formed as bell-mouthed shape, therefore, it is possible to adapt with the second head 52 of rivet 50.
Further, Compress Spring 70 is provided with between piston rod 300 and the diapire of abutment sleeve 60, therefore in the process of unriveting, first Compress Spring 70 can play the effect of damper piston bar 300, then abutment sleeve 60 can be made to reset after rivet 50 is removed.As shown in Figure 2, can on the punch 20 of piston rod 300 front end sheathed Compress Spring 70, such as, can be polyurethane spring or steel spring etc., Compress Spring 70 one end is piston rod 300, the other end is the diapire of abutment sleeve 60, thus can realize abutment sleeve 60 opposing pistons bar 300 and be slidably installed.
Further, for realizing firmly installing punch 20, as shown in Figure 2, piston rod 300 can be formed with step blind hole 301, one end of this punch 20 is inserted in this step blind hole 301, and the other end extends towards the diapire of this abutment sleeve 60.That is, punch 20 can have generally t-shaped projection with the boss being inserted into piston rod 300 neutralization and protruding from piston rod 300 front end with punch rivet 50.
Further, the T-shaped projection for ease of punch 20 can smooth and easyly be inserted in piston rod 300, the sidewall of step blind hole 301 is formed with the passage 302 communicated with the external world.As shown in Figure 2, this passage 302 can be formed at the root of step blind hole 301, and arrange at the end part interval of axial direction and the T-shaped projection after installing, namely T-shaped projection be inserted into step blind hole 301 end at axial direction away from this steam vent 302, therefore, when installing punch 20, first pushing piston-rod 300 makes passage 302 communicate with the external world, then T-shaped projection is inserted in piston rod 300, thus the gas of piston rod 300 inside can be discharged along in this passage 302, thus avoid the problem that punch 20 cannot be installed when there being gas to retain in piston rod 300 inside.
Preferably, firmly can be arranged on bearing 40 for ease of piston cylinder, this second arm 42 be formed with the first installing hole 411, the cylinder barrel of described piston cylinder inserts and to be installed in this second arm 42 first installing hole 411 and fastening by securing member 80.
To sum up, by on the device of existing riveted joint rivet, replace with punch 20 provided by the invention and die 10 structure, and abutment sleeve 60 is installed slidably on piston rod 300, thus the center line utilizing this abutment sleeve 60 to realize die 10, punch 20 and rivet 50 is aimed at, under the driving effect of piston cylinder, punch 20 impacts rivet 50, namely completes dismounting.Whole process, convenient to operation, time saving and energy saving, safe and reliable, and the device of existing riveted joint rivet can be utilized, to unrivet device without the need to optional equipment, greatly provide cost savings, have the great significance for popularization and practical value.
Below the preferred embodiment of the present invention is described in detail by reference to the accompanying drawings; but; the present invention is not limited to the detail in above-mentioned embodiment; within the scope of technical conceive of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
It should be noted that in addition, each concrete technical characteristic described in above-mentioned detailed description of the invention, in reconcilable situation, can be combined by any suitable mode, in order to avoid unnecessary repetition, the present invention illustrates no longer separately to various possible combination.
In addition, also can be combined between various different embodiment of the present invention, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (12)
1. a rivet removal device, it is characterized in that, comprise bearing (40), die (10), punch (20) and driver (30), described bearing (40) has the first arm (41) and the second arm (42) that are oppositely arranged, described die (10) is arranged on described first arm (41) and goes up and have material-dropping hole (12), described punch (20) is arranged on described driver (30) and goes up and be oppositely arranged with described die (10), described driver (30) is arranged on described second arm (42) and moves relative to described die (10) for the described punch of driving (20).
2. rivet removal device according to claim 1, is characterized in that, described die (10) is removably mounted on described first arm (41).
3. rivet removal device according to claim 2, it is characterized in that, described first arm (41) is formed with the first installing hole (411), described die (10) has flange (11), this die (10) is inserted in described first installing hole (411), and described flange (11) is resisted against the periphery of described first installing hole (411).
4. rivet removal device according to claim 1, it is characterized in that, described material-dropping hole (12) comprises locating hole section (121) and material-dropping hole section (122), described locating hole section (121) close to described rivet (50) arrange and have be less than described material-dropping hole section (122) aperture to adapt with first head (51) of described rivet (50).
5. rivet removal device according to claim 1, it is characterized in that, described driver (30) is piston cylinder, the cylinder barrel of this piston cylinder is arranged on described second arm (42), and described punch (20) is arranged on the piston rod (300) of this piston cylinder.
6. rivet removal device according to claim 5, it is characterized in that, the surrounding of described punch (20) is provided with abutment sleeve (60), this abutment sleeve (60) is slidably mounted on described piston rod (300), and the diapire of this abutment sleeve (60) is formed with the locating hole (62) adapted with described second head (52) of rivet (50), described punch (20) is aimed at this locating hole (62) and is arranged.
7. rivet removal device according to claim 6, is characterized in that, described locating hole (62) is formed as bell-mouthed shape.
8. rivet removal device according to claim 6, is characterized in that, is provided with Compress Spring (70) between described piston rod (300) and the diapire of described abutment sleeve (60).
9. rivet removal device according to claim 6, it is characterized in that, described piston rod (300) is formed with step blind hole (301), one end of described punch (20) is inserted in this step blind hole (301), and the other end extends towards the diapire of described abutment sleeve (60).
10. rivet removal device according to claim 9, is characterized in that, the sidewall of described step blind hole (301) is formed with the passage (302) communicated with the external world.
11. rivet removal devices according to claim 5, it is characterized in that, described second arm (42) is formed with the second installing hole (422), and the cylinder barrel insertion of described piston cylinder is installed in this second installing hole (422) also fastening by securing member (80).
12. rivet removal devices according to claim 1, it is characterized in that, this rivet removal device also comprises suspender (90), described bearing (40) is installed on described suspender (90).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410641387.9A CN104826979A (en) | 2014-11-13 | 2014-11-13 | Rivet removal apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410641387.9A CN104826979A (en) | 2014-11-13 | 2014-11-13 | Rivet removal apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104826979A true CN104826979A (en) | 2015-08-12 |
Family
ID=53805379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410641387.9A Pending CN104826979A (en) | 2014-11-13 | 2014-11-13 | Rivet removal apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104826979A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106984764A (en) * | 2017-05-05 | 2017-07-28 | 浙江亿洋智能装备科技股份有限公司 | A kind of automatic rivet removal frock |
| CN107695944A (en) * | 2017-11-27 | 2018-02-16 | 平顶山市美伊金属制品有限公司 | A kind of rivet provision for disengagement of iron pan |
| CN112275838A (en) * | 2020-10-30 | 2021-01-29 | 长沙新气象自动化技术有限公司 | Excavator track repairing machine |
-
2014
- 2014-11-13 CN CN201410641387.9A patent/CN104826979A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106984764A (en) * | 2017-05-05 | 2017-07-28 | 浙江亿洋智能装备科技股份有限公司 | A kind of automatic rivet removal frock |
| CN107695944A (en) * | 2017-11-27 | 2018-02-16 | 平顶山市美伊金属制品有限公司 | A kind of rivet provision for disengagement of iron pan |
| CN112275838A (en) * | 2020-10-30 | 2021-01-29 | 长沙新气象自动化技术有限公司 | Excavator track repairing machine |
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| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150812 |
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| RJ01 | Rejection of invention patent application after publication |